diff options
Diffstat (limited to 'toolchain/musl')
| -rw-r--r-- | toolchain/musl/Config.version | 2 | ||||
| -rw-r--r-- | toolchain/musl/common.mk | 2 | ||||
| -rw-r--r-- | toolchain/musl/patches/000-update-to-git-2016-01-30.patch | 17863 | ||||
| -rw-r--r-- | toolchain/musl/patches/010-Add-PowerPC-soft-float-support.patch | 2 | ||||
| -rw-r--r-- | toolchain/musl/patches/020-ldso-fix-GDB-dynamic-linker-info-on-MIPS.patch | 55 | ||||
| -rw-r--r-- | toolchain/musl/patches/200-add_libssp_nonshared.patch | 8 | ||||
| -rw-r--r-- | toolchain/musl/patches/300-relative.patch | 2 |
7 files changed, 8 insertions, 17926 deletions
diff --git a/toolchain/musl/Config.version b/toolchain/musl/Config.version index 4706be1d75..caaf7f1f71 100644 --- a/toolchain/musl/Config.version +++ b/toolchain/musl/Config.version @@ -3,6 +3,6 @@ if USE_MUSL config MUSL_VERSION string depends on USE_MUSL - default "1.1.12" + default "1.1.14" endif diff --git a/toolchain/musl/common.mk b/toolchain/musl/common.mk index fe5d4bf9d0..0f45aa3735 100644 --- a/toolchain/musl/common.mk +++ b/toolchain/musl/common.mk @@ -11,7 +11,7 @@ PKG_NAME:=musl PKG_VERSION:=$(call qstrip,$(CONFIG_MUSL_VERSION)) PKG_RELEASE=1 -PKG_MD5SUM:=42875e0c111aa1cb9d08663f8d42c799 +PKG_MD5SUM:=d529ce4a2f7f79d8c3fd4b8329417b57 PKG_SOURCE_URL:=http://www.musl-libc.org/releases PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz diff --git a/toolchain/musl/patches/000-update-to-git-2016-01-30.patch b/toolchain/musl/patches/000-update-to-git-2016-01-30.patch deleted file mode 100644 index 7e83869ca2..0000000000 --- a/toolchain/musl/patches/000-update-to-git-2016-01-30.patch +++ /dev/null @@ -1,17863 +0,0 @@ ---- a/.gitignore -+++ b/.gitignore -@@ -5,9 +5,6 @@ - *.so.1 - arch/*/bits/alltypes.h - config.mak --include/bits --tools/musl-gcc --tools/musl-clang --tools/ld.musl-clang - lib/musl-gcc.specs - src/internal/version.h -+/obj/ ---- a/Makefile -+++ b/Makefile -@@ -8,6 +8,7 @@ - # Do not make changes here. - # - -+srcdir = . - exec_prefix = /usr/local - bindir = $(exec_prefix)/bin - -@@ -16,31 +17,42 @@ includedir = $(prefix)/include - libdir = $(prefix)/lib - syslibdir = /lib - --SRCS = $(sort $(wildcard src/*/*.c arch/$(ARCH)/src/*.c)) --OBJS = $(SRCS:.c=.o) -+BASE_SRCS = $(sort $(wildcard $(srcdir)/src/*/*.c)) -+BASE_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(BASE_SRCS))) -+ARCH_SRCS = $(wildcard $(srcdir)/src/*/$(ARCH)/*.[csS]) -+ARCH_OBJS = $(patsubst $(srcdir)/%,%.o,$(basename $(ARCH_SRCS))) -+REPLACED_OBJS = $(sort $(subst /$(ARCH)/,/,$(ARCH_OBJS))) -+LDSO_SRCS = $(sort $(wildcard $(srcdir)/ldso/*.c)) -+LDSO_OBJS = $(patsubst $(srcdir)/%,obj/%.lo,$(basename $(LDSO_SRCS))) -+OBJS = $(addprefix obj/, $(filter-out $(REPLACED_OBJS), $(sort $(BASE_OBJS) $(ARCH_OBJS)))) -+AOBJS = $(OBJS) - LOBJS = $(OBJS:.o=.lo) --GENH = include/bits/alltypes.h --GENH_INT = src/internal/version.h --IMPH = src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h -+GENH = obj/include/bits/alltypes.h -+GENH_INT = obj/src/internal/version.h -+IMPH = $(addprefix $(srcdir)/, src/internal/stdio_impl.h src/internal/pthread_impl.h src/internal/libc.h) - --LDFLAGS = -+LDFLAGS = -+LDFLAGS_AUTO = - LIBCC = -lgcc - CPPFLAGS = --CFLAGS = -Os -pipe -+CFLAGS = -+CFLAGS_AUTO = -Os -pipe - CFLAGS_C99FSE = -std=c99 -ffreestanding -nostdinc - - CFLAGS_ALL = $(CFLAGS_C99FSE) --CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I./arch/$(ARCH) -I./src/internal -I./include --CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS) --CFLAGS_ALL_STATIC = $(CFLAGS_ALL) --CFLAGS_ALL_SHARED = $(CFLAGS_ALL) -fPIC -DSHARED -+CFLAGS_ALL += -D_XOPEN_SOURCE=700 -I$(srcdir)/arch/$(ARCH) -I$(srcdir)/arch/generic -Iobj/src/internal -I$(srcdir)/src/internal -Iobj/include -I$(srcdir)/include -+CFLAGS_ALL += $(CPPFLAGS) $(CFLAGS_AUTO) $(CFLAGS) -+ -+LDFLAGS_ALL = $(LDFLAGS_AUTO) $(LDFLAGS) - - AR = $(CROSS_COMPILE)ar - RANLIB = $(CROSS_COMPILE)ranlib --INSTALL = ./tools/install.sh -+INSTALL = $(srcdir)/tools/install.sh - --ARCH_INCLUDES = $(wildcard arch/$(ARCH)/bits/*.h) --ALL_INCLUDES = $(sort $(wildcard include/*.h include/*/*.h) $(GENH) $(ARCH_INCLUDES:arch/$(ARCH)/%=include/%)) -+ARCH_INCLUDES = $(wildcard $(srcdir)/arch/$(ARCH)/bits/*.h) -+GENERIC_INCLUDES = $(wildcard $(srcdir)/arch/generic/bits/*.h) -+INCLUDES = $(wildcard $(srcdir)/include/*.h $(srcdir)/include/*/*.h) -+ALL_INCLUDES = $(sort $(INCLUDES:$(srcdir)/%=%) $(GENH:obj/%=%) $(ARCH_INCLUDES:$(srcdir)/arch/$(ARCH)/%=include/%) $(GENERIC_INCLUDES:$(srcdir)/arch/generic/%=include/%)) - - EMPTY_LIB_NAMES = m rt pthread crypt util xnet resolv dl - EMPTY_LIBS = $(EMPTY_LIB_NAMES:%=lib/lib%.a) -@@ -49,7 +61,7 @@ STATIC_LIBS = lib/libc.a - SHARED_LIBS = lib/libc.so - TOOL_LIBS = lib/musl-gcc.specs - ALL_LIBS = $(CRT_LIBS) $(STATIC_LIBS) $(SHARED_LIBS) $(EMPTY_LIBS) $(TOOL_LIBS) --ALL_TOOLS = tools/musl-gcc -+ALL_TOOLS = obj/musl-gcc - - WRAPCC_GCC = gcc - WRAPCC_CLANG = clang -@@ -58,122 +70,128 @@ LDSO_PATHNAME = $(syslibdir)/ld-musl-$(A - - -include config.mak - -+ifeq ($(ARCH),) -+$(error Please set ARCH in config.mak before running make.) -+endif -+ - all: $(ALL_LIBS) $(ALL_TOOLS) - -+OBJ_DIRS = $(sort $(patsubst %/,%,$(dir $(ALL_LIBS) $(ALL_TOOLS) $(OBJS) $(LDSO_OBJS) $(GENH) $(GENH_INT))) $(addprefix obj/, crt crt/$(ARCH) include)) -+ -+$(ALL_LIBS) $(ALL_TOOLS) $(CRT_LIBS:lib/%=obj/crt/%) $(OBJS) $(LOBJS) $(GENH) $(GENH_INT): | $(OBJ_DIRS) -+ -+$(OBJ_DIRS): -+ mkdir -p $@ -+ - install: install-libs install-headers install-tools - - clean: -- rm -f crt/*.o -- rm -f $(OBJS) -- rm -f $(LOBJS) -- rm -f $(ALL_LIBS) lib/*.[ao] lib/*.so -- rm -f $(ALL_TOOLS) -- rm -f $(GENH) $(GENH_INT) -- rm -f include/bits -+ rm -rf obj lib - - distclean: clean - rm -f config.mak - --include/bits: -- @test "$(ARCH)" || { echo "Please set ARCH in config.mak before running make." ; exit 1 ; } -- ln -sf ../arch/$(ARCH)/bits $@ -+obj/include/bits/alltypes.h: $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in $(srcdir)/tools/mkalltypes.sed -+ sed -f $(srcdir)/tools/mkalltypes.sed $(srcdir)/arch/$(ARCH)/bits/alltypes.h.in $(srcdir)/include/alltypes.h.in > $@ - --include/bits/alltypes.h.in: include/bits -+obj/src/internal/version.h: $(wildcard $(srcdir)/VERSION $(srcdir)/.git) -+ printf '#define VERSION "%s"\n' "$$(cd $(srcdir); sh tools/version.sh)" > $@ - --include/bits/alltypes.h: include/bits/alltypes.h.in include/alltypes.h.in tools/mkalltypes.sed -- sed -f tools/mkalltypes.sed include/bits/alltypes.h.in include/alltypes.h.in > $@ -+obj/src/internal/version.o obj/src/internal/version.lo: obj/src/internal/version.h - --src/internal/version.h: $(wildcard VERSION .git) -- printf '#define VERSION "%s"\n' "$$(sh tools/version.sh)" > $@ -+obj/crt/rcrt1.o obj/ldso/dlstart.lo obj/ldso/dynlink.lo: $(srcdir)/src/internal/dynlink.h $(srcdir)/arch/$(ARCH)/reloc.h - --src/internal/version.lo: src/internal/version.h -+obj/crt/crt1.o obj/crt/scrt1.o obj/crt/rcrt1.o obj/ldso/dlstart.lo: $(srcdir)/arch/$(ARCH)/crt_arch.h - --crt/rcrt1.o src/ldso/dlstart.lo src/ldso/dynlink.lo: src/internal/dynlink.h arch/$(ARCH)/reloc.h -+obj/crt/rcrt1.o: $(srcdir)/ldso/dlstart.c - --crt/crt1.o crt/Scrt1.o crt/rcrt1.o src/ldso/dlstart.lo: $(wildcard arch/$(ARCH)/crt_arch.h) -+obj/crt/Scrt1.o obj/crt/rcrt1.o: CFLAGS_ALL += -fPIC - --crt/rcrt1.o: src/ldso/dlstart.c -+obj/crt/$(ARCH)/crti.o: $(srcdir)/crt/$(ARCH)/crti.s - --crt/Scrt1.o crt/rcrt1.o: CFLAGS += -fPIC -+obj/crt/$(ARCH)/crtn.o: $(srcdir)/crt/$(ARCH)/crtn.s - --OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=src/%)) --$(OPTIMIZE_SRCS:%.c=%.o) $(OPTIMIZE_SRCS:%.c=%.lo): CFLAGS += -O3 -+OPTIMIZE_SRCS = $(wildcard $(OPTIMIZE_GLOBS:%=$(srcdir)/src/%)) -+$(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.o) $(OPTIMIZE_SRCS:$(srcdir)/%.c=obj/%.lo): CFLAGS += -O3 - - MEMOPS_SRCS = src/string/memcpy.c src/string/memmove.c src/string/memcmp.c src/string/memset.c --$(MEMOPS_SRCS:%.c=%.o) $(MEMOPS_SRCS:%.c=%.lo): CFLAGS += $(CFLAGS_MEMOPS) -+$(MEMOPS_SRCS:%.c=obj/%.o) $(MEMOPS_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_MEMOPS) - - NOSSP_SRCS = $(wildcard crt/*.c) \ - src/env/__libc_start_main.c src/env/__init_tls.c \ -- src/thread/__set_thread_area.c src/env/__stack_chk_fail.c \ -- src/string/memset.c src/string/memcpy.c \ -- src/ldso/dlstart.c src/ldso/dynlink.c --$(NOSSP_SRCS:%.c=%.o) $(NOSSP_SRCS:%.c=%.lo): CFLAGS += $(CFLAGS_NOSSP) -+ src/env/__stack_chk_fail.c \ -+ src/thread/__set_thread_area.c src/thread/$(ARCH)/__set_thread_area.c \ -+ src/string/memset.c src/string/$(ARCH)/memset.c \ -+ src/string/memcpy.c src/string/$(ARCH)/memcpy.c \ -+ ldso/dlstart.c ldso/dynlink.c -+$(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP) - --$(CRT_LIBS:lib/%=crt/%): CFLAGS += -DCRT -+$(CRT_LIBS:lib/%=obj/crt/%): CFLAGS_ALL += -DCRT - --# This incantation ensures that changes to any subarch asm files will --# force the corresponding object file to be rebuilt, even if the implicit --# rule below goes indirectly through a .sub file. --define mkasmdep --$(dir $(patsubst %/,%,$(dir $(1))))$(notdir $(1:.s=.o)): $(1) --endef --$(foreach s,$(wildcard src/*/$(ARCH)*/*.s),$(eval $(call mkasmdep,$(s)))) -+$(LOBJS) $(LDSO_OBJS): CFLAGS_ALL += -fPIC -+ -+CC_CMD = $(CC) $(CFLAGS_ALL) -c -o $@ $< - - # Choose invocation of assembler to be used --# $(1) is input file, $(2) is output file, $(3) is assembler flags - ifeq ($(ADD_CFI),yes) -- AS_CMD = LC_ALL=C awk -f tools/add-cfi.common.awk -f tools/add-cfi.$(ARCH).awk $< | $(CC) -x assembler -c -o $@ - -+ AS_CMD = LC_ALL=C awk -f $(srcdir)/tools/add-cfi.common.awk -f $(srcdir)/tools/add-cfi.$(ARCH).awk $< | $(CC) $(CFLAGS_ALL) -x assembler -c -o $@ - - else -- AS_CMD = $(CC) -c -o $@ $< -+ AS_CMD = $(CC_CMD) - endif - --%.o: $(ARCH)$(ASMSUBARCH)/%.sub -- $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $(dir $<)$(shell cat $<) -+obj/%.o: $(srcdir)/%.s -+ $(AS_CMD) - --%.o: $(ARCH)/%.s -- $(AS_CMD) $(CFLAGS_ALL_STATIC) -+obj/%.o: $(srcdir)/%.S -+ $(CC_CMD) - --%.o: %.c $(GENH) $(IMPH) -- $(CC) $(CFLAGS_ALL_STATIC) -c -o $@ $< -+obj/%.o: $(srcdir)/%.c $(GENH) $(IMPH) -+ $(CC_CMD) - --%.lo: $(ARCH)$(ASMSUBARCH)/%.sub -- $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $(dir $<)$(shell cat $<) -+obj/%.lo: $(srcdir)/%.s -+ $(AS_CMD) - --%.lo: $(ARCH)/%.s -- $(AS_CMD) $(CFLAGS_ALL_SHARED) -+obj/%.lo: $(srcdir)/%.S -+ $(CC_CMD) - --%.lo: %.c $(GENH) $(IMPH) -- $(CC) $(CFLAGS_ALL_SHARED) -c -o $@ $< -+obj/%.lo: $(srcdir)/%.c $(GENH) $(IMPH) -+ $(CC_CMD) - --lib/libc.so: $(LOBJS) -- $(CC) $(CFLAGS_ALL_SHARED) $(LDFLAGS) -nostdlib -shared \ -+lib/libc.so: $(LOBJS) $(LDSO_OBJS) -+ $(CC) $(CFLAGS_ALL) $(LDFLAGS_ALL) -nostdlib -shared \ - -Wl,-e,_dlstart -Wl,-Bsymbolic-functions \ -- -o $@ $(LOBJS) $(LIBCC) -+ -o $@ $(LOBJS) $(LDSO_OBJS) $(LIBCC) - --lib/libc.a: $(OBJS) -+lib/libc.a: $(AOBJS) - rm -f $@ -- $(AR) rc $@ $(OBJS) -+ $(AR) rc $@ $(AOBJS) - $(RANLIB) $@ - - $(EMPTY_LIBS): - rm -f $@ - $(AR) rc $@ - --lib/%.o: crt/%.o -+lib/%.o: obj/crt/%.o - cp $< $@ - --lib/musl-gcc.specs: tools/musl-gcc.specs.sh config.mak -+lib/crti.o: obj/crt/$(ARCH)/crti.o -+ cp $< $@ -+ -+lib/crtn.o: obj/crt/$(ARCH)/crtn.o -+ cp $< $@ -+ -+lib/musl-gcc.specs: $(srcdir)/tools/musl-gcc.specs.sh config.mak - sh $< "$(includedir)" "$(libdir)" "$(LDSO_PATHNAME)" > $@ - --tools/musl-gcc: config.mak -+obj/musl-gcc: config.mak - printf '#!/bin/sh\nexec "$${REALGCC:-$(WRAPCC_GCC)}" "$$@" -specs "%s/musl-gcc.specs"\n' "$(libdir)" > $@ - chmod +x $@ - --tools/%-clang: tools/%-clang.in config.mak -+obj/%-clang: $(srcdir)/tools/%-clang.in config.mak - sed -e 's!@CC@!$(WRAPCC_CLANG)!g' -e 's!@PREFIX@!$(prefix)!g' -e 's!@INCDIR@!$(includedir)!g' -e 's!@LIBDIR@!$(libdir)!g' -e 's!@LDSO@!$(LDSO_PATHNAME)!g' $< > $@ - chmod +x $@ - --$(DESTDIR)$(bindir)/%: tools/% -+$(DESTDIR)$(bindir)/%: obj/% - $(INSTALL) -D $< $@ - - $(DESTDIR)$(libdir)/%.so: lib/%.so -@@ -182,10 +200,16 @@ $(DESTDIR)$(libdir)/%.so: lib/%.so - $(DESTDIR)$(libdir)/%: lib/% - $(INSTALL) -D -m 644 $< $@ - --$(DESTDIR)$(includedir)/bits/%: arch/$(ARCH)/bits/% -+$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/$(ARCH)/bits/% - $(INSTALL) -D -m 644 $< $@ - --$(DESTDIR)$(includedir)/%: include/% -+$(DESTDIR)$(includedir)/bits/%: $(srcdir)/arch/generic/bits/% -+ $(INSTALL) -D -m 644 $< $@ -+ -+$(DESTDIR)$(includedir)/bits/%: obj/include/bits/% -+ $(INSTALL) -D -m 644 $< $@ -+ -+$(DESTDIR)$(includedir)/%: $(srcdir)/include/% - $(INSTALL) -D -m 644 $< $@ - - $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so -@@ -195,12 +219,12 @@ install-libs: $(ALL_LIBS:lib/%=$(DESTDIR - - install-headers: $(ALL_INCLUDES:include/%=$(DESTDIR)$(includedir)/%) - --install-tools: $(ALL_TOOLS:tools/%=$(DESTDIR)$(bindir)/%) -+install-tools: $(ALL_TOOLS:obj/%=$(DESTDIR)$(bindir)/%) - - musl-git-%.tar.gz: .git -- git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@) -+ git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ $(patsubst musl-git-%.tar.gz,%,$@) - - musl-%.tar.gz: .git -- git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@) -+ git --git-dir=$(srcdir)/.git archive --format=tar.gz --prefix=$(patsubst %.tar.gz,%,$@)/ -o $@ v$(patsubst musl-%.tar.gz,%,$@) - - .PHONY: all clean install install-libs install-headers install-tools ---- a/arch/aarch64/atomic.h -+++ /dev/null -@@ -1,206 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_64(uint64_t x) --{ -- __asm__( -- " rbit %0, %1\n" -- " clz %0, %0\n" -- : "=r"(x) : "r"(x)); -- return x; --} -- --static inline int a_ctz_l(unsigned long x) --{ -- return a_ctz_64(x); --} -- --static inline void a_barrier() --{ -- __asm__ __volatile__("dmb ish"); --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- void *old; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %0,%3\n" -- " cmp %0,%1\n" -- " b.ne 1f\n" -- " stxr %w0,%2,%3\n" -- " cbnz %w0,1b\n" -- " mov %0,%1\n" -- "1: dmb ish\n" -- : "=&r"(old) -- : "r"(t), "r"(s), "Q"(*(long*)p) -- : "memory", "cc"); -- return old; --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- int old; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %w0,%3\n" -- " cmp %w0,%w1\n" -- " b.ne 1f\n" -- " stxr %w0,%w2,%3\n" -- " cbnz %w0,1b\n" -- " mov %w0,%w1\n" -- "1: dmb ish\n" -- : "=&r"(old) -- : "r"(t), "r"(s), "Q"(*p) -- : "memory", "cc"); -- return old; --} -- --static inline int a_swap(volatile int *x, int v) --{ -- int old, tmp; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %w0,%3\n" -- " stxr %w1,%w2,%3\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(old), "=&r"(tmp) -- : "r"(v), "Q"(*x) -- : "memory", "cc" ); -- return old; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- int old, tmp; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %w0,%3\n" -- " add %w0,%w0,%w2\n" -- " stxr %w1,%w0,%3\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(old), "=&r"(tmp) -- : "r"(v), "Q"(*x) -- : "memory", "cc" ); -- return old-v; --} -- --static inline void a_inc(volatile int *x) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %w0,%2\n" -- " add %w0,%w0,#1\n" -- " stxr %w1,%w0,%2\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "Q"(*x) -- : "memory", "cc" ); --} -- --static inline void a_dec(volatile int *x) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %w0,%2\n" -- " sub %w0,%w0,#1\n" -- " stxr %w1,%w0,%2\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "Q"(*x) -- : "memory", "cc" ); --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %0,%3\n" -- " and %0,%0,%2\n" -- " stxr %w1,%0,%3\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "r"(v), "Q"(*p) -- : "memory", "cc" ); --} -- --static inline void a_and(volatile int *p, int v) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %w0,%3\n" -- " and %w0,%w0,%w2\n" -- " stxr %w1,%w0,%3\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "r"(v), "Q"(*p) -- : "memory", "cc" ); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %0,%3\n" -- " orr %0,%0,%2\n" -- " stxr %w1,%0,%3\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "r"(v), "Q"(*p) -- : "memory", "cc" ); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- return a_or_64(p, v); --} -- --static inline void a_or(volatile int *p, int v) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldxr %w0,%3\n" -- " orr %w0,%w0,%w2\n" -- " stxr %w1,%w0,%3\n" -- " cbnz %w1,1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "r"(v), "Q"(*p) -- : "memory", "cc" ); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__ __volatile__( -- " dmb ish\n" -- " str %w1,%0\n" -- " dmb ish\n" -- : "=m"(*p) -- : "r"(x) -- : "memory", "cc" ); --} -- --#define a_spin a_barrier -- --static inline void a_crash() --{ -- *(volatile char *)0=0; --} -- -- --#endif ---- /dev/null -+++ b/arch/aarch64/atomic_arch.h -@@ -0,0 +1,73 @@ -+#define a_ll a_ll -+static inline int a_ll(volatile int *p) -+{ -+ int v; -+ __asm__ __volatile__ ("ldaxr %w0,%1" : "=r"(v) : "Q"(*p)); -+ return v; -+} -+ -+#define a_sc a_sc -+static inline int a_sc(volatile int *p, int v) -+{ -+ int r; -+ __asm__ __volatile__ ("stlxr %w0,%w1,%2" : "=&r"(r) : "r"(v), "Q"(*p) : "memory"); -+ return !r; -+} -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__ ("dmb ish" : : : "memory"); -+} -+ -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ int old; -+ do { -+ old = a_ll(p); -+ if (old != t) { -+ a_barrier(); -+ break; -+ } -+ } while (!a_sc(p, s)); -+ return old; -+} -+ -+static inline void *a_ll_p(volatile void *p) -+{ -+ void *v; -+ __asm__ __volatile__ ("ldaxr %0, %1" : "=r"(v) : "Q"(*(void *volatile *)p)); -+ return v; -+} -+ -+static inline int a_sc_p(volatile int *p, void *v) -+{ -+ int r; -+ __asm__ __volatile__ ("stlxr %w0,%1,%2" : "=&r"(r) : "r"(v), "Q"(*(void *volatile *)p) : "memory"); -+ return !r; -+} -+ -+#define a_cas_p a_cas_p -+static inline void *a_cas_p(volatile void *p, void *t, void *s) -+{ -+ void *old; -+ do { -+ old = a_ll_p(p); -+ if (old != t) { -+ a_barrier(); -+ break; -+ } -+ } while (!a_sc_p(p, s)); -+ return old; -+} -+ -+#define a_ctz_64 a_ctz_64 -+static inline int a_ctz_64(uint64_t x) -+{ -+ __asm__( -+ " rbit %0, %1\n" -+ " clz %0, %0\n" -+ : "=r"(x) : "r"(x)); -+ return x; -+} ---- a/arch/aarch64/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/aarch64/bits/mman.h -+++ b/arch/aarch64/bits/mman.h -@@ -36,6 +36,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/aarch64/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/aarch64/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/aarch64/bits/syscall.h -+++ b/arch/aarch64/bits/syscall.h -@@ -265,6 +265,9 @@ - #define __NR_memfd_create 279 - #define __NR_bpf 280 - #define __NR_execveat 281 -+#define __NR_userfaultfd 282 -+#define __NR_membarrier 283 -+#define __NR_mlock2 284 - - #define SYS_io_setup __NR_io_setup - #define SYS_io_destroy __NR_io_destroy -@@ -533,3 +536,6 @@ - #define SYS_memfd_create __NR_memfd_create - #define SYS_bpf __NR_bpf - #define SYS_execveat __NR_execveat -+#define SYS_userfaultfd __NR_userfaultfd -+#define SYS_membarrier __NR_membarrier -+#define SYS_mlock2 __NR_mlock2 ---- a/arch/aarch64/bits/termios.h -+++ /dev/null -@@ -1,160 +0,0 @@ --struct termios --{ -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/aarch64/pthread_arch.h -+++ b/arch/aarch64/pthread_arch.h -@@ -8,4 +8,4 @@ static inline struct pthread *__pthread_ - #define TLS_ABOVE_TP - #define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 16) - --#define CANCEL_REG_IP 33 -+#define MC_PC pc ---- a/arch/arm/atomic.h -+++ /dev/null -@@ -1,261 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_l(unsigned long x) --{ -- static const char debruijn32[32] = { -- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -- }; -- return debruijn32[(x&-x)*0x076be629 >> 27]; --} -- --static inline int a_ctz_64(uint64_t x) --{ -- uint32_t y = x; -- if (!y) { -- y = x>>32; -- return 32 + a_ctz_l(y); -- } -- return a_ctz_l(y); --} -- --#if __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7 -- --static inline void a_barrier() --{ -- __asm__ __volatile__("dmb ish"); --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- int old; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldrex %0,%3\n" -- " cmp %0,%1\n" -- " bne 1f\n" -- " strex %0,%2,%3\n" -- " cmp %0, #0\n" -- " bne 1b\n" -- " mov %0, %1\n" -- "1: dmb ish\n" -- : "=&r"(old) -- : "r"(t), "r"(s), "Q"(*p) -- : "memory", "cc" ); -- return old; --} -- --static inline int a_swap(volatile int *x, int v) --{ -- int old, tmp; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldrex %0,%3\n" -- " strex %1,%2,%3\n" -- " cmp %1, #0\n" -- " bne 1b\n" -- " dmb ish\n" -- : "=&r"(old), "=&r"(tmp) -- : "r"(v), "Q"(*x) -- : "memory", "cc" ); -- return old; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- int old, tmp; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldrex %0,%3\n" -- " add %0,%0,%2\n" -- " strex %1,%0,%3\n" -- " cmp %1, #0\n" -- " bne 1b\n" -- " dmb ish\n" -- : "=&r"(old), "=&r"(tmp) -- : "r"(v), "Q"(*x) -- : "memory", "cc" ); -- return old-v; --} -- --static inline void a_inc(volatile int *x) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldrex %0,%2\n" -- " add %0,%0,#1\n" -- " strex %1,%0,%2\n" -- " cmp %1, #0\n" -- " bne 1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "Q"(*x) -- : "memory", "cc" ); --} -- --static inline void a_dec(volatile int *x) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldrex %0,%2\n" -- " sub %0,%0,#1\n" -- " strex %1,%0,%2\n" -- " cmp %1, #0\n" -- " bne 1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "Q"(*x) -- : "memory", "cc" ); --} -- --static inline void a_and(volatile int *x, int v) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldrex %0,%3\n" -- " and %0,%0,%2\n" -- " strex %1,%0,%3\n" -- " cmp %1, #0\n" -- " bne 1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "r"(v), "Q"(*x) -- : "memory", "cc" ); --} -- --static inline void a_or(volatile int *x, int v) --{ -- int tmp, tmp2; -- __asm__ __volatile__( -- " dmb ish\n" -- "1: ldrex %0,%3\n" -- " orr %0,%0,%2\n" -- " strex %1,%0,%3\n" -- " cmp %1, #0\n" -- " bne 1b\n" -- " dmb ish\n" -- : "=&r"(tmp), "=&r"(tmp2) -- : "r"(v), "Q"(*x) -- : "memory", "cc" ); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__ __volatile__( -- " dmb ish\n" -- " str %1,%0\n" -- " dmb ish\n" -- : "=m"(*p) -- : "r"(x) -- : "memory", "cc" ); --} -- --#else -- --int __a_cas(int, int, volatile int *) __attribute__((__visibility__("hidden"))); --#define __k_cas __a_cas -- --static inline void a_barrier() --{ -- __asm__ __volatile__("bl __a_barrier" -- : : : "memory", "cc", "ip", "lr" ); --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- int old; -- for (;;) { -- if (!__k_cas(t, s, p)) -- return t; -- if ((old=*p) != t) -- return old; -- } --} -- --static inline int a_swap(volatile int *x, int v) --{ -- int old; -- do old = *x; -- while (__k_cas(old, v, x)); -- return old; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- int old; -- do old = *x; -- while (__k_cas(old, old+v, x)); -- return old; --} -- --static inline void a_inc(volatile int *x) --{ -- a_fetch_add(x, 1); --} -- --static inline void a_dec(volatile int *x) --{ -- a_fetch_add(x, -1); --} -- --static inline void a_store(volatile int *p, int x) --{ -- a_barrier(); -- *p = x; -- a_barrier(); --} -- --static inline void a_and(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (__k_cas(old, old&v, p)); --} -- --static inline void a_or(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (__k_cas(old, old|v, p)); --} -- --#endif -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- return (void *)a_cas(p, (int)t, (int)s); --} -- --#define a_spin a_barrier -- --static inline void a_crash() --{ -- *(volatile char *)0=0; --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- a_or(p, v); --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_and((int *)p, u.r[0]); -- a_and((int *)p+1, u.r[1]); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_or((int *)p, u.r[0]); -- a_or((int *)p+1, u.r[1]); --} -- --#endif ---- /dev/null -+++ b/arch/arm/atomic_arch.h -@@ -0,0 +1,76 @@ -+__attribute__((__visibility__("hidden"))) -+extern const void *__arm_atomics[3]; /* gettp, cas, barrier */ -+ -+#if ((__ARM_ARCH_6__ || __ARM_ARCH_6K__ || __ARM_ARCH_6ZK__) && !__thumb__) \ -+ || __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7 -+ -+#define a_ll a_ll -+static inline int a_ll(volatile int *p) -+{ -+ int v; -+ __asm__ __volatile__ ("ldrex %0, %1" : "=r"(v) : "Q"(*p)); -+ return v; -+} -+ -+#define a_sc a_sc -+static inline int a_sc(volatile int *p, int v) -+{ -+ int r; -+ __asm__ __volatile__ ("strex %0,%1,%2" : "=&r"(r) : "r"(v), "Q"(*p) : "memory"); -+ return !r; -+} -+ -+#if __ARM_ARCH_7A__ || __ARM_ARCH_7R__ || __ARM_ARCH >= 7 -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__ ("dmb ish" : : : "memory"); -+} -+ -+#endif -+ -+#define a_pre_llsc a_barrier -+#define a_post_llsc a_barrier -+ -+#else -+ -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ for (;;) { -+ register int r0 __asm__("r0") = t; -+ register int r1 __asm__("r1") = s; -+ register volatile int *r2 __asm__("r2") = p; -+ int old; -+ __asm__ __volatile__ ( -+ "bl __a_cas" -+ : "+r"(r0) : "r"(r1), "r"(r2) -+ : "memory", "r3", "lr", "ip", "cc" ); -+ if (!r0) return t; -+ if ((old=*p)!=t) return old; -+ } -+} -+ -+#endif -+ -+#ifndef a_barrier -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__("bl __a_barrier" -+ : : : "memory", "cc", "ip", "lr" ); -+} -+#endif -+ -+#define a_crash a_crash -+static inline void a_crash() -+{ -+ __asm__ __volatile__( -+#ifndef __thumb__ -+ ".word 0xe7f000f0" -+#else -+ ".short 0xdeff" -+#endif -+ : : : "memory"); -+} ---- a/arch/arm/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/arm/bits/ioctl.h -+++ /dev/null -@@ -1,197 +0,0 @@ --#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) ) --#define _IOC_NONE 0U --#define _IOC_WRITE 1U --#define _IOC_READ 2U -- --#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0) --#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c)) --#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c)) --#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c)) -- --#define TCGETS 0x5401 --#define TCSETS 0x5402 --#define TCSETSW 0x5403 --#define TCSETSF 0x5404 --#define TCGETA 0x5405 --#define TCSETA 0x5406 --#define TCSETAW 0x5407 --#define TCSETAF 0x5408 --#define TCSBRK 0x5409 --#define TCXONC 0x540A --#define TCFLSH 0x540B --#define TIOCEXCL 0x540C --#define TIOCNXCL 0x540D --#define TIOCSCTTY 0x540E --#define TIOCGPGRP 0x540F --#define TIOCSPGRP 0x5410 --#define TIOCOUTQ 0x5411 --#define TIOCSTI 0x5412 --#define TIOCGWINSZ 0x5413 --#define TIOCSWINSZ 0x5414 --#define TIOCMGET 0x5415 --#define TIOCMBIS 0x5416 --#define TIOCMBIC 0x5417 --#define TIOCMSET 0x5418 --#define TIOCGSOFTCAR 0x5419 --#define TIOCSSOFTCAR 0x541A --#define FIONREAD 0x541B --#define TIOCINQ FIONREAD --#define TIOCLINUX 0x541C --#define TIOCCONS 0x541D --#define TIOCGSERIAL 0x541E --#define TIOCSSERIAL 0x541F --#define TIOCPKT 0x5420 --#define FIONBIO 0x5421 --#define TIOCNOTTY 0x5422 --#define TIOCSETD 0x5423 --#define TIOCGETD 0x5424 --#define TCSBRKP 0x5425 --#define TIOCTTYGSTRUCT 0x5426 --#define TIOCSBRK 0x5427 --#define TIOCCBRK 0x5428 --#define TIOCGSID 0x5429 --#define TIOCGPTN 0x80045430 --#define TIOCSPTLCK 0x40045431 --#define TCGETX 0x5432 --#define TCSETX 0x5433 --#define TCSETXF 0x5434 --#define TCSETXW 0x5435 -- --#define FIONCLEX 0x5450 --#define FIOCLEX 0x5451 --#define FIOASYNC 0x5452 --#define TIOCSERCONFIG 0x5453 --#define TIOCSERGWILD 0x5454 --#define TIOCSERSWILD 0x5455 --#define TIOCGLCKTRMIOS 0x5456 --#define TIOCSLCKTRMIOS 0x5457 --#define TIOCSERGSTRUCT 0x5458 --#define TIOCSERGETLSR 0x5459 --#define TIOCSERGETMULTI 0x545A --#define TIOCSERSETMULTI 0x545B -- --#define TIOCMIWAIT 0x545C --#define TIOCGICOUNT 0x545D --#define TIOCGHAYESESP 0x545E --#define TIOCSHAYESESP 0x545F --#define FIOQSIZE 0x5460 -- --#define TIOCPKT_DATA 0 --#define TIOCPKT_FLUSHREAD 1 --#define TIOCPKT_FLUSHWRITE 2 --#define TIOCPKT_STOP 4 --#define TIOCPKT_START 8 --#define TIOCPKT_NOSTOP 16 --#define TIOCPKT_DOSTOP 32 --#define TIOCPKT_IOCTL 64 -- --#define TIOCSER_TEMT 0x01 -- --struct winsize { -- unsigned short ws_row; -- unsigned short ws_col; -- unsigned short ws_xpixel; -- unsigned short ws_ypixel; --}; -- --#define TIOCM_LE 0x001 --#define TIOCM_DTR 0x002 --#define TIOCM_RTS 0x004 --#define TIOCM_ST 0x008 --#define TIOCM_SR 0x010 --#define TIOCM_CTS 0x020 --#define TIOCM_CAR 0x040 --#define TIOCM_RNG 0x080 --#define TIOCM_DSR 0x100 --#define TIOCM_CD TIOCM_CAR --#define TIOCM_RI TIOCM_RNG --#define TIOCM_OUT1 0x2000 --#define TIOCM_OUT2 0x4000 --#define TIOCM_LOOP 0x8000 --#define TIOCM_MODEM_BITS TIOCM_OUT2 -- --#define N_TTY 0 --#define N_SLIP 1 --#define N_MOUSE 2 --#define N_PPP 3 --#define N_STRIP 4 --#define N_AX25 5 --#define N_X25 6 --#define N_6PACK 7 --#define N_MASC 8 --#define N_R3964 9 --#define N_PROFIBUS_FDL 10 --#define N_IRDA 11 --#define N_SMSBLOCK 12 --#define N_HDLC 13 --#define N_SYNC_PPP 14 --#define N_HCI 15 -- --#define FIOSETOWN 0x8901 --#define SIOCSPGRP 0x8902 --#define FIOGETOWN 0x8903 --#define SIOCGPGRP 0x8904 --#define SIOCATMARK 0x8905 --#define SIOCGSTAMP 0x8906 -- --#define SIOCADDRT 0x890B --#define SIOCDELRT 0x890C --#define SIOCRTMSG 0x890D -- --#define SIOCGIFNAME 0x8910 --#define SIOCSIFLINK 0x8911 --#define SIOCGIFCONF 0x8912 --#define SIOCGIFFLAGS 0x8913 --#define SIOCSIFFLAGS 0x8914 --#define SIOCGIFADDR 0x8915 --#define SIOCSIFADDR 0x8916 --#define SIOCGIFDSTADDR 0x8917 --#define SIOCSIFDSTADDR 0x8918 --#define SIOCGIFBRDADDR 0x8919 --#define SIOCSIFBRDADDR 0x891a --#define SIOCGIFNETMASK 0x891b --#define SIOCSIFNETMASK 0x891c --#define SIOCGIFMETRIC 0x891d --#define SIOCSIFMETRIC 0x891e --#define SIOCGIFMEM 0x891f --#define SIOCSIFMEM 0x8920 --#define SIOCGIFMTU 0x8921 --#define SIOCSIFMTU 0x8922 --#define SIOCSIFHWADDR 0x8924 --#define SIOCGIFENCAP 0x8925 --#define SIOCSIFENCAP 0x8926 --#define SIOCGIFHWADDR 0x8927 --#define SIOCGIFSLAVE 0x8929 --#define SIOCSIFSLAVE 0x8930 --#define SIOCADDMULTI 0x8931 --#define SIOCDELMULTI 0x8932 --#define SIOCGIFINDEX 0x8933 --#define SIOGIFINDEX SIOCGIFINDEX --#define SIOCSIFPFLAGS 0x8934 --#define SIOCGIFPFLAGS 0x8935 --#define SIOCDIFADDR 0x8936 --#define SIOCSIFHWBROADCAST 0x8937 --#define SIOCGIFCOUNT 0x8938 -- --#define SIOCGIFBR 0x8940 --#define SIOCSIFBR 0x8941 -- --#define SIOCGIFTXQLEN 0x8942 --#define SIOCSIFTXQLEN 0x8943 -- --#define SIOCDARP 0x8953 --#define SIOCGARP 0x8954 --#define SIOCSARP 0x8955 -- --#define SIOCDRARP 0x8960 --#define SIOCGRARP 0x8961 --#define SIOCSRARP 0x8962 -- --#define SIOCGIFMAP 0x8970 --#define SIOCSIFMAP 0x8971 -- --#define SIOCADDDLCI 0x8980 --#define SIOCDELDLCI 0x8981 -- --#define SIOCDEVPRIVATE 0x89F0 --#define SIOCPROTOPRIVATE 0x89E0 ---- a/arch/arm/bits/ipc.h -+++ /dev/null -@@ -1,14 +0,0 @@ --struct ipc_perm --{ -- key_t __ipc_perm_key; -- uid_t uid; -- gid_t gid; -- uid_t cuid; -- gid_t cgid; -- mode_t mode; -- int __ipc_perm_seq; -- long __pad1; -- long __pad2; --}; -- --#define IPC_64 0x100 ---- a/arch/arm/bits/mman.h -+++ b/arch/arm/bits/mman.h -@@ -37,6 +37,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/arm/bits/msg.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct msqid_ds --{ -- struct ipc_perm msg_perm; -- time_t msg_stime; -- int __unused1; -- time_t msg_rtime; -- int __unused2; -- time_t msg_ctime; -- int __unused3; -- unsigned long msg_cbytes; -- msgqnum_t msg_qnum; -- msglen_t msg_qbytes; -- pid_t msg_lspid; -- pid_t msg_lrpid; -- unsigned long __unused[2]; --}; ---- a/arch/arm/bits/sem.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct semid_ds { -- struct ipc_perm sem_perm; -- time_t sem_otime; -- time_t __unused1; -- time_t sem_ctime; -- time_t __unused2; --#if __BYTE_ORDER == __LITTLE_ENDIAN -- unsigned short sem_nsems; -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; --#else -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -- unsigned short sem_nsems; --#endif -- time_t __unused3; -- time_t __unused4; --}; ---- a/arch/arm/bits/shm.h -+++ /dev/null -@@ -1,29 +0,0 @@ --#define SHMLBA 4096 -- --struct shmid_ds --{ -- struct ipc_perm shm_perm; -- size_t shm_segsz; -- time_t shm_atime; -- int __unused1; -- time_t shm_dtime; -- int __unused2; -- time_t shm_ctime; -- int __unused3; -- pid_t shm_cpid; -- pid_t shm_lpid; -- unsigned long shm_nattch; -- unsigned long __pad1; -- unsigned long __pad2; --}; -- --struct shminfo { -- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4]; --}; -- --struct shm_info { -- int __used_ids; -- unsigned long shm_tot, shm_rss, shm_swp; -- unsigned long __swap_attempts, __swap_successes; --}; -- ---- a/arch/arm/bits/socket.h -+++ /dev/null -@@ -1,17 +0,0 @@ --struct msghdr --{ -- void *msg_name; -- socklen_t msg_namelen; -- struct iovec *msg_iov; -- int msg_iovlen; -- void *msg_control; -- socklen_t msg_controllen; -- int msg_flags; --}; -- --struct cmsghdr --{ -- socklen_t cmsg_len; -- int cmsg_level; -- int cmsg_type; --}; ---- a/arch/arm/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/arm/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/arm/bits/syscall.h -+++ b/arch/arm/bits/syscall.h -@@ -341,6 +341,9 @@ - #define __NR_memfd_create 385 - #define __NR_bpf 386 - #define __NR_execveat 387 -+#define __NR_userfaultfd 388 -+#define __NR_membarrier 389 -+#define __NR_mlock2 390 - - #define __ARM_NR_breakpoint 0x0f0001 - #define __ARM_NR_cacheflush 0x0f0002 -@@ -693,3 +696,6 @@ - #define SYS_memfd_create 385 - #define SYS_bpf 386 - #define SYS_execveat 387 -+#define SYS_userfaultfd 388 -+#define SYS_membarrier 389 -+#define SYS_mlock2 390 ---- a/arch/arm/bits/termios.h -+++ /dev/null -@@ -1,160 +0,0 @@ --struct termios --{ -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/arm/pthread_arch.h -+++ b/arch/arm/pthread_arch.h -@@ -27,4 +27,4 @@ static inline pthread_t __pthread_self() - #define TLS_ABOVE_TP - #define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 8) - --#define CANCEL_REG_IP 18 -+#define MC_PC arm_pc ---- a/arch/arm/reloc.h -+++ b/arch/arm/reloc.h -@@ -6,10 +6,10 @@ - #define ENDIAN_SUFFIX "" - #endif - --#if __SOFTFP__ --#define FP_SUFFIX "" --#else -+#if __ARM_PCS_VFP - #define FP_SUFFIX "hf" -+#else -+#define FP_SUFFIX "" - #endif - - #define LDSO_ARCH "arm" ENDIAN_SUFFIX FP_SUFFIX -@@ -28,10 +28,5 @@ - #define REL_TPOFF R_ARM_TLS_TPOFF32 - //#define REL_TLSDESC R_ARM_TLS_DESC - --#ifdef __thumb__ - #define CRTJMP(pc,sp) __asm__ __volatile__( \ - "mov sp,%1 ; bx %0" : : "r"(pc), "r"(sp) : "memory" ) --#else --#define CRTJMP(pc,sp) __asm__ __volatile__( \ -- "mov sp,%1 ; tst %0,#1 ; moveq pc,%0 ; bx %0" : : "r"(pc), "r"(sp) : "memory" ) --#endif ---- a/arch/arm/src/__aeabi_atexit.c -+++ /dev/null -@@ -1,6 +0,0 @@ --int __cxa_atexit(void (*func)(void *), void *arg, void *dso); -- --int __aeabi_atexit (void *obj, void (*func) (void *), void *d) --{ -- return __cxa_atexit (func, obj, d); --} ---- a/arch/arm/src/__aeabi_memclr.c -+++ /dev/null -@@ -1,9 +0,0 @@ --#include <string.h> --#include "libc.h" -- --void __aeabi_memclr(void *dest, size_t n) --{ -- memset(dest, 0, n); --} --weak_alias(__aeabi_memclr, __aeabi_memclr4); --weak_alias(__aeabi_memclr, __aeabi_memclr8); ---- a/arch/arm/src/__aeabi_memcpy.c -+++ /dev/null -@@ -1,9 +0,0 @@ --#include <string.h> --#include "libc.h" -- --void __aeabi_memcpy(void *restrict dest, const void *restrict src, size_t n) --{ -- memcpy(dest, src, n); --} --weak_alias(__aeabi_memcpy, __aeabi_memcpy4); --weak_alias(__aeabi_memcpy, __aeabi_memcpy8); ---- a/arch/arm/src/__aeabi_memmove.c -+++ /dev/null -@@ -1,9 +0,0 @@ --#include <string.h> --#include "libc.h" -- --void __aeabi_memmove(void *dest, const void *src, size_t n) --{ -- memmove(dest, src, n); --} --weak_alias(__aeabi_memmove, __aeabi_memmove4); --weak_alias(__aeabi_memmove, __aeabi_memmove8); ---- a/arch/arm/src/__aeabi_memset.c -+++ /dev/null -@@ -1,9 +0,0 @@ --#include <string.h> --#include "libc.h" -- --void __aeabi_memset(void *dest, size_t n, int c) --{ -- memset(dest, c, n); --} --weak_alias(__aeabi_memset, __aeabi_memset4); --weak_alias(__aeabi_memset, __aeabi_memset8); ---- a/arch/arm/src/__set_thread_area.c -+++ /dev/null -@@ -1,49 +0,0 @@ --#include <stdint.h> --#include <elf.h> --#include "pthread_impl.h" --#include "libc.h" -- --#define HWCAP_TLS (1 << 15) -- --extern const unsigned char __attribute__((__visibility__("hidden"))) -- __a_barrier_dummy[], __a_barrier_oldkuser[], -- __a_barrier_v6[], __a_barrier_v7[], -- __a_cas_dummy[], __a_cas_v6[], __a_cas_v7[], -- __a_gettp_dummy[]; -- --#define __a_barrier_kuser 0xffff0fa0 --#define __a_cas_kuser 0xffff0fc0 --#define __a_gettp_kuser 0xffff0fe0 -- --extern uintptr_t __attribute__((__visibility__("hidden"))) -- __a_barrier_ptr, __a_cas_ptr, __a_gettp_ptr; -- --#define SET(op,ver) (__a_##op##_ptr = \ -- (uintptr_t)__a_##op##_##ver - (uintptr_t)__a_##op##_dummy) -- --int __set_thread_area(void *p) --{ --#if !__ARM_ARCH_7A__ && !__ARM_ARCH_7R__ && __ARM_ARCH < 7 -- if (__hwcap & HWCAP_TLS) { -- size_t *aux; -- SET(cas, v7); -- SET(barrier, v7); -- for (aux=libc.auxv; *aux; aux+=2) { -- if (*aux != AT_PLATFORM) continue; -- const char *s = (void *)aux[1]; -- if (s[0]!='v' || s[1]!='6' || s[2]-'0'<10u) break; -- SET(cas, v6); -- SET(barrier, v6); -- break; -- } -- } else { -- int ver = *(int *)0xffff0ffc; -- SET(gettp, kuser); -- SET(cas, kuser); -- SET(barrier, kuser); -- if (ver < 2) a_crash(); -- if (ver < 3) SET(barrier, oldkuser); -- } --#endif -- return __syscall(0xf0005, p); --} ---- a/arch/arm/src/arm/atomics.s -+++ /dev/null -@@ -1,116 +0,0 @@ --.text -- --.global __a_barrier --.hidden __a_barrier --.type __a_barrier,%function --__a_barrier: -- ldr ip,1f -- ldr ip,[pc,ip] -- add pc,pc,ip --1: .word __a_barrier_ptr-1b --.global __a_barrier_dummy --.hidden __a_barrier_dummy --__a_barrier_dummy: -- tst lr,#1 -- moveq pc,lr -- bx lr --.global __a_barrier_oldkuser --.hidden __a_barrier_oldkuser --__a_barrier_oldkuser: -- push {r0,r1,r2,r3,ip,lr} -- mov r1,r0 -- mov r2,sp -- ldr ip,=0xffff0fc0 -- mov lr,pc -- mov pc,ip -- pop {r0,r1,r2,r3,ip,lr} -- tst lr,#1 -- moveq pc,lr -- bx lr --.global __a_barrier_v6 --.hidden __a_barrier_v6 --__a_barrier_v6: -- mcr p15,0,r0,c7,c10,5 -- bx lr --.global __a_barrier_v7 --.hidden __a_barrier_v7 --__a_barrier_v7: -- .word 0xf57ff05b /* dmb ish */ -- bx lr -- --.global __a_cas --.hidden __a_cas --.type __a_cas,%function --__a_cas: -- ldr ip,1f -- ldr ip,[pc,ip] -- add pc,pc,ip --1: .word __a_cas_ptr-1b --.global __a_cas_dummy --.hidden __a_cas_dummy --__a_cas_dummy: -- mov r3,r0 -- ldr r0,[r2] -- subs r0,r3,r0 -- streq r1,[r2] -- tst lr,#1 -- moveq pc,lr -- bx lr --.global __a_cas_v6 --.hidden __a_cas_v6 --__a_cas_v6: -- mov r3,r0 -- mcr p15,0,r0,c7,c10,5 --1: .word 0xe1920f9f /* ldrex r0,[r2] */ -- subs r0,r3,r0 -- .word 0x01820f91 /* strexeq r0,r1,[r2] */ -- teqeq r0,#1 -- beq 1b -- mcr p15,0,r0,c7,c10,5 -- bx lr --.global __a_cas_v7 --.hidden __a_cas_v7 --__a_cas_v7: -- mov r3,r0 -- .word 0xf57ff05b /* dmb ish */ --1: .word 0xe1920f9f /* ldrex r0,[r2] */ -- subs r0,r3,r0 -- .word 0x01820f91 /* strexeq r0,r1,[r2] */ -- teqeq r0,#1 -- beq 1b -- .word 0xf57ff05b /* dmb ish */ -- bx lr -- --.global __aeabi_read_tp --.type __aeabi_read_tp,%function --__aeabi_read_tp: -- --.global __a_gettp --.hidden __a_gettp --.type __a_gettp,%function --__a_gettp: -- ldr r0,1f -- ldr r0,[pc,r0] -- add pc,pc,r0 --1: .word __a_gettp_ptr-1b --.global __a_gettp_dummy --.hidden __a_gettp_dummy --__a_gettp_dummy: -- mrc p15,0,r0,c13,c0,3 -- bx lr -- --.data --.global __a_barrier_ptr --.hidden __a_barrier_ptr --__a_barrier_ptr: -- .word 0 -- --.global __a_cas_ptr --.hidden __a_cas_ptr --__a_cas_ptr: -- .word 0 -- --.global __a_gettp_ptr --.hidden __a_gettp_ptr --__a_gettp_ptr: -- .word 0 ---- a/arch/arm/src/find_exidx.c -+++ /dev/null -@@ -1,42 +0,0 @@ --#define _GNU_SOURCE --#include <link.h> --#include <stdint.h> -- --struct find_exidx_data { -- uintptr_t pc, exidx_start; -- int exidx_len; --}; -- --static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr) --{ -- struct find_exidx_data *data = ptr; -- const ElfW(Phdr) *phdr = info->dlpi_phdr; -- uintptr_t addr, exidx_start = 0; -- int i, match = 0, exidx_len = 0; -- -- for (i = info->dlpi_phnum; i > 0; i--, phdr++) { -- addr = info->dlpi_addr + phdr->p_vaddr; -- switch (phdr->p_type) { -- case PT_LOAD: -- match |= data->pc >= addr && data->pc < addr + phdr->p_memsz; -- break; -- case PT_ARM_EXIDX: -- exidx_start = addr; -- exidx_len = phdr->p_memsz; -- break; -- } -- } -- data->exidx_start = exidx_start; -- data->exidx_len = exidx_len; -- return match; --} -- --uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount) --{ -- struct find_exidx_data data; -- data.pc = pc; -- if (dl_iterate_phdr(find_exidx, &data) <= 0) -- return 0; -- *pcount = data.exidx_len / 8; -- return data.exidx_start; --} ---- /dev/null -+++ b/arch/generic/bits/errno.h -@@ -0,0 +1,134 @@ -+#define EPERM 1 -+#define ENOENT 2 -+#define ESRCH 3 -+#define EINTR 4 -+#define EIO 5 -+#define ENXIO 6 -+#define E2BIG 7 -+#define ENOEXEC 8 -+#define EBADF 9 -+#define ECHILD 10 -+#define EAGAIN 11 -+#define ENOMEM 12 -+#define EACCES 13 -+#define EFAULT 14 -+#define ENOTBLK 15 -+#define EBUSY 16 -+#define EEXIST 17 -+#define EXDEV 18 -+#define ENODEV 19 -+#define ENOTDIR 20 -+#define EISDIR 21 -+#define EINVAL 22 -+#define ENFILE 23 -+#define EMFILE 24 -+#define ENOTTY 25 -+#define ETXTBSY 26 -+#define EFBIG 27 -+#define ENOSPC 28 -+#define ESPIPE 29 -+#define EROFS 30 -+#define EMLINK 31 -+#define EPIPE 32 -+#define EDOM 33 -+#define ERANGE 34 -+#define EDEADLK 35 -+#define ENAMETOOLONG 36 -+#define ENOLCK 37 -+#define ENOSYS 38 -+#define ENOTEMPTY 39 -+#define ELOOP 40 -+#define EWOULDBLOCK EAGAIN -+#define ENOMSG 42 -+#define EIDRM 43 -+#define ECHRNG 44 -+#define EL2NSYNC 45 -+#define EL3HLT 46 -+#define EL3RST 47 -+#define ELNRNG 48 -+#define EUNATCH 49 -+#define ENOCSI 50 -+#define EL2HLT 51 -+#define EBADE 52 -+#define EBADR 53 -+#define EXFULL 54 -+#define ENOANO 55 -+#define EBADRQC 56 -+#define EBADSLT 57 -+#define EDEADLOCK EDEADLK -+#define EBFONT 59 -+#define ENOSTR 60 -+#define ENODATA 61 -+#define ETIME 62 -+#define ENOSR 63 -+#define ENONET 64 -+#define ENOPKG 65 -+#define EREMOTE 66 -+#define ENOLINK 67 -+#define EADV 68 -+#define ESRMNT 69 -+#define ECOMM 70 -+#define EPROTO 71 -+#define EMULTIHOP 72 -+#define EDOTDOT 73 -+#define EBADMSG 74 -+#define EOVERFLOW 75 -+#define ENOTUNIQ 76 -+#define EBADFD 77 -+#define EREMCHG 78 -+#define ELIBACC 79 -+#define ELIBBAD 80 -+#define ELIBSCN 81 -+#define ELIBMAX 82 -+#define ELIBEXEC 83 -+#define EILSEQ 84 -+#define ERESTART 85 -+#define ESTRPIPE 86 -+#define EUSERS 87 -+#define ENOTSOCK 88 -+#define EDESTADDRREQ 89 -+#define EMSGSIZE 90 -+#define EPROTOTYPE 91 -+#define ENOPROTOOPT 92 -+#define EPROTONOSUPPORT 93 -+#define ESOCKTNOSUPPORT 94 -+#define EOPNOTSUPP 95 -+#define ENOTSUP EOPNOTSUPP -+#define EPFNOSUPPORT 96 -+#define EAFNOSUPPORT 97 -+#define EADDRINUSE 98 -+#define EADDRNOTAVAIL 99 -+#define ENETDOWN 100 -+#define ENETUNREACH 101 -+#define ENETRESET 102 -+#define ECONNABORTED 103 -+#define ECONNRESET 104 -+#define ENOBUFS 105 -+#define EISCONN 106 -+#define ENOTCONN 107 -+#define ESHUTDOWN 108 -+#define ETOOMANYREFS 109 -+#define ETIMEDOUT 110 -+#define ECONNREFUSED 111 -+#define EHOSTDOWN 112 -+#define EHOSTUNREACH 113 -+#define EALREADY 114 -+#define EINPROGRESS 115 -+#define ESTALE 116 -+#define EUCLEAN 117 -+#define ENOTNAM 118 -+#define ENAVAIL 119 -+#define EISNAM 120 -+#define EREMOTEIO 121 -+#define EDQUOT 122 -+#define ENOMEDIUM 123 -+#define EMEDIUMTYPE 124 -+#define ECANCELED 125 -+#define ENOKEY 126 -+#define EKEYEXPIRED 127 -+#define EKEYREVOKED 128 -+#define EKEYREJECTED 129 -+#define EOWNERDEAD 130 -+#define ENOTRECOVERABLE 131 -+#define ERFKILL 132 -+#define EHWPOISON 133 ---- /dev/null -+++ b/arch/generic/bits/fcntl.h -@@ -0,0 +1,40 @@ -+#define O_CREAT 0100 -+#define O_EXCL 0200 -+#define O_NOCTTY 0400 -+#define O_TRUNC 01000 -+#define O_APPEND 02000 -+#define O_NONBLOCK 04000 -+#define O_DSYNC 010000 -+#define O_SYNC 04010000 -+#define O_RSYNC 04010000 -+#define O_DIRECTORY 0200000 -+#define O_NOFOLLOW 0400000 -+#define O_CLOEXEC 02000000 -+ -+#define O_ASYNC 020000 -+#define O_DIRECT 040000 -+#define O_LARGEFILE 0100000 -+#define O_NOATIME 01000000 -+#define O_PATH 010000000 -+#define O_TMPFILE 020200000 -+#define O_NDELAY O_NONBLOCK -+ -+#define F_DUPFD 0 -+#define F_GETFD 1 -+#define F_SETFD 2 -+#define F_GETFL 3 -+#define F_SETFL 4 -+ -+#define F_SETOWN 8 -+#define F_GETOWN 9 -+#define F_SETSIG 10 -+#define F_GETSIG 11 -+ -+#define F_GETLK 12 -+#define F_SETLK 13 -+#define F_SETLKW 14 -+ -+#define F_SETOWN_EX 15 -+#define F_GETOWN_EX 16 -+ -+#define F_GETOWNER_UIDS 17 ---- /dev/null -+++ b/arch/generic/bits/fenv.h -@@ -0,0 +1,10 @@ -+#define FE_ALL_EXCEPT 0 -+#define FE_TONEAREST 0 -+ -+typedef unsigned long fexcept_t; -+ -+typedef struct { -+ unsigned long __cw; -+} fenv_t; -+ -+#define FE_DFL_ENV ((const fenv_t *) -1) ---- /dev/null -+++ b/arch/generic/bits/ioctl.h -@@ -0,0 +1,197 @@ -+#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) ) -+#define _IOC_NONE 0U -+#define _IOC_WRITE 1U -+#define _IOC_READ 2U -+ -+#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0) -+#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c)) -+#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c)) -+#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c)) -+ -+#define TCGETS 0x5401 -+#define TCSETS 0x5402 -+#define TCSETSW 0x5403 -+#define TCSETSF 0x5404 -+#define TCGETA 0x5405 -+#define TCSETA 0x5406 -+#define TCSETAW 0x5407 -+#define TCSETAF 0x5408 -+#define TCSBRK 0x5409 -+#define TCXONC 0x540A -+#define TCFLSH 0x540B -+#define TIOCEXCL 0x540C -+#define TIOCNXCL 0x540D -+#define TIOCSCTTY 0x540E -+#define TIOCGPGRP 0x540F -+#define TIOCSPGRP 0x5410 -+#define TIOCOUTQ 0x5411 -+#define TIOCSTI 0x5412 -+#define TIOCGWINSZ 0x5413 -+#define TIOCSWINSZ 0x5414 -+#define TIOCMGET 0x5415 -+#define TIOCMBIS 0x5416 -+#define TIOCMBIC 0x5417 -+#define TIOCMSET 0x5418 -+#define TIOCGSOFTCAR 0x5419 -+#define TIOCSSOFTCAR 0x541A -+#define FIONREAD 0x541B -+#define TIOCINQ FIONREAD -+#define TIOCLINUX 0x541C -+#define TIOCCONS 0x541D -+#define TIOCGSERIAL 0x541E -+#define TIOCSSERIAL 0x541F -+#define TIOCPKT 0x5420 -+#define FIONBIO 0x5421 -+#define TIOCNOTTY 0x5422 -+#define TIOCSETD 0x5423 -+#define TIOCGETD 0x5424 -+#define TCSBRKP 0x5425 -+#define TIOCTTYGSTRUCT 0x5426 -+#define TIOCSBRK 0x5427 -+#define TIOCCBRK 0x5428 -+#define TIOCGSID 0x5429 -+#define TIOCGPTN 0x80045430 -+#define TIOCSPTLCK 0x40045431 -+#define TCGETX 0x5432 -+#define TCSETX 0x5433 -+#define TCSETXF 0x5434 -+#define TCSETXW 0x5435 -+ -+#define FIONCLEX 0x5450 -+#define FIOCLEX 0x5451 -+#define FIOASYNC 0x5452 -+#define TIOCSERCONFIG 0x5453 -+#define TIOCSERGWILD 0x5454 -+#define TIOCSERSWILD 0x5455 -+#define TIOCGLCKTRMIOS 0x5456 -+#define TIOCSLCKTRMIOS 0x5457 -+#define TIOCSERGSTRUCT 0x5458 -+#define TIOCSERGETLSR 0x5459 -+#define TIOCSERGETMULTI 0x545A -+#define TIOCSERSETMULTI 0x545B -+ -+#define TIOCMIWAIT 0x545C -+#define TIOCGICOUNT 0x545D -+#define TIOCGHAYESESP 0x545E -+#define TIOCSHAYESESP 0x545F -+#define FIOQSIZE 0x5460 -+ -+#define TIOCPKT_DATA 0 -+#define TIOCPKT_FLUSHREAD 1 -+#define TIOCPKT_FLUSHWRITE 2 -+#define TIOCPKT_STOP 4 -+#define TIOCPKT_START 8 -+#define TIOCPKT_NOSTOP 16 -+#define TIOCPKT_DOSTOP 32 -+#define TIOCPKT_IOCTL 64 -+ -+#define TIOCSER_TEMT 0x01 -+ -+struct winsize { -+ unsigned short ws_row; -+ unsigned short ws_col; -+ unsigned short ws_xpixel; -+ unsigned short ws_ypixel; -+}; -+ -+#define TIOCM_LE 0x001 -+#define TIOCM_DTR 0x002 -+#define TIOCM_RTS 0x004 -+#define TIOCM_ST 0x008 -+#define TIOCM_SR 0x010 -+#define TIOCM_CTS 0x020 -+#define TIOCM_CAR 0x040 -+#define TIOCM_RNG 0x080 -+#define TIOCM_DSR 0x100 -+#define TIOCM_CD TIOCM_CAR -+#define TIOCM_RI TIOCM_RNG -+#define TIOCM_OUT1 0x2000 -+#define TIOCM_OUT2 0x4000 -+#define TIOCM_LOOP 0x8000 -+#define TIOCM_MODEM_BITS TIOCM_OUT2 -+ -+#define N_TTY 0 -+#define N_SLIP 1 -+#define N_MOUSE 2 -+#define N_PPP 3 -+#define N_STRIP 4 -+#define N_AX25 5 -+#define N_X25 6 -+#define N_6PACK 7 -+#define N_MASC 8 -+#define N_R3964 9 -+#define N_PROFIBUS_FDL 10 -+#define N_IRDA 11 -+#define N_SMSBLOCK 12 -+#define N_HDLC 13 -+#define N_SYNC_PPP 14 -+#define N_HCI 15 -+ -+#define FIOSETOWN 0x8901 -+#define SIOCSPGRP 0x8902 -+#define FIOGETOWN 0x8903 -+#define SIOCGPGRP 0x8904 -+#define SIOCATMARK 0x8905 -+#define SIOCGSTAMP 0x8906 -+ -+#define SIOCADDRT 0x890B -+#define SIOCDELRT 0x890C -+#define SIOCRTMSG 0x890D -+ -+#define SIOCGIFNAME 0x8910 -+#define SIOCSIFLINK 0x8911 -+#define SIOCGIFCONF 0x8912 -+#define SIOCGIFFLAGS 0x8913 -+#define SIOCSIFFLAGS 0x8914 -+#define SIOCGIFADDR 0x8915 -+#define SIOCSIFADDR 0x8916 -+#define SIOCGIFDSTADDR 0x8917 -+#define SIOCSIFDSTADDR 0x8918 -+#define SIOCGIFBRDADDR 0x8919 -+#define SIOCSIFBRDADDR 0x891a -+#define SIOCGIFNETMASK 0x891b -+#define SIOCSIFNETMASK 0x891c -+#define SIOCGIFMETRIC 0x891d -+#define SIOCSIFMETRIC 0x891e -+#define SIOCGIFMEM 0x891f -+#define SIOCSIFMEM 0x8920 -+#define SIOCGIFMTU 0x8921 -+#define SIOCSIFMTU 0x8922 -+#define SIOCSIFHWADDR 0x8924 -+#define SIOCGIFENCAP 0x8925 -+#define SIOCSIFENCAP 0x8926 -+#define SIOCGIFHWADDR 0x8927 -+#define SIOCGIFSLAVE 0x8929 -+#define SIOCSIFSLAVE 0x8930 -+#define SIOCADDMULTI 0x8931 -+#define SIOCDELMULTI 0x8932 -+#define SIOCGIFINDEX 0x8933 -+#define SIOGIFINDEX SIOCGIFINDEX -+#define SIOCSIFPFLAGS 0x8934 -+#define SIOCGIFPFLAGS 0x8935 -+#define SIOCDIFADDR 0x8936 -+#define SIOCSIFHWBROADCAST 0x8937 -+#define SIOCGIFCOUNT 0x8938 -+ -+#define SIOCGIFBR 0x8940 -+#define SIOCSIFBR 0x8941 -+ -+#define SIOCGIFTXQLEN 0x8942 -+#define SIOCSIFTXQLEN 0x8943 -+ -+#define SIOCDARP 0x8953 -+#define SIOCGARP 0x8954 -+#define SIOCSARP 0x8955 -+ -+#define SIOCDRARP 0x8960 -+#define SIOCGRARP 0x8961 -+#define SIOCSRARP 0x8962 -+ -+#define SIOCGIFMAP 0x8970 -+#define SIOCSIFMAP 0x8971 -+ -+#define SIOCADDDLCI 0x8980 -+#define SIOCDELDLCI 0x8981 -+ -+#define SIOCDEVPRIVATE 0x89F0 -+#define SIOCPROTOPRIVATE 0x89E0 ---- /dev/null -+++ b/arch/generic/bits/ipc.h -@@ -0,0 +1,14 @@ -+struct ipc_perm -+{ -+ key_t __ipc_perm_key; -+ uid_t uid; -+ gid_t gid; -+ uid_t cuid; -+ gid_t cgid; -+ mode_t mode; -+ int __ipc_perm_seq; -+ long __pad1; -+ long __pad2; -+}; -+ -+#define IPC_64 0x100 ---- /dev/null -+++ b/arch/generic/bits/msg.h -@@ -0,0 +1,16 @@ -+struct msqid_ds -+{ -+ struct ipc_perm msg_perm; -+ time_t msg_stime; -+ int __unused1; -+ time_t msg_rtime; -+ int __unused2; -+ time_t msg_ctime; -+ int __unused3; -+ unsigned long msg_cbytes; -+ msgqnum_t msg_qnum; -+ msglen_t msg_qbytes; -+ pid_t msg_lspid; -+ pid_t msg_lrpid; -+ unsigned long __unused[2]; -+}; ---- /dev/null -+++ b/arch/generic/bits/sem.h -@@ -0,0 +1,16 @@ -+struct semid_ds { -+ struct ipc_perm sem_perm; -+ time_t sem_otime; -+ time_t __unused1; -+ time_t sem_ctime; -+ time_t __unused2; -+#if __BYTE_ORDER == __LITTLE_ENDIAN -+ unsigned short sem_nsems; -+ char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -+#else -+ char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -+ unsigned short sem_nsems; -+#endif -+ time_t __unused3; -+ time_t __unused4; -+}; ---- /dev/null -+++ b/arch/generic/bits/shm.h -@@ -0,0 +1,29 @@ -+#define SHMLBA 4096 -+ -+struct shmid_ds -+{ -+ struct ipc_perm shm_perm; -+ size_t shm_segsz; -+ time_t shm_atime; -+ int __unused1; -+ time_t shm_dtime; -+ int __unused2; -+ time_t shm_ctime; -+ int __unused3; -+ pid_t shm_cpid; -+ pid_t shm_lpid; -+ unsigned long shm_nattch; -+ unsigned long __pad1; -+ unsigned long __pad2; -+}; -+ -+struct shminfo { -+ unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4]; -+}; -+ -+struct shm_info { -+ int __used_ids; -+ unsigned long shm_tot, shm_rss, shm_swp; -+ unsigned long __swap_attempts, __swap_successes; -+}; -+ ---- /dev/null -+++ b/arch/generic/bits/socket.h -@@ -0,0 +1,17 @@ -+struct msghdr -+{ -+ void *msg_name; -+ socklen_t msg_namelen; -+ struct iovec *msg_iov; -+ int msg_iovlen; -+ void *msg_control; -+ socklen_t msg_controllen; -+ int msg_flags; -+}; -+ -+struct cmsghdr -+{ -+ socklen_t cmsg_len; -+ int cmsg_level; -+ int cmsg_type; -+}; ---- /dev/null -+++ b/arch/generic/bits/statfs.h -@@ -0,0 +1,7 @@ -+struct statfs { -+ unsigned long f_type, f_bsize; -+ fsblkcnt_t f_blocks, f_bfree, f_bavail; -+ fsfilcnt_t f_files, f_ffree; -+ fsid_t f_fsid; -+ unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; -+}; ---- /dev/null -+++ b/arch/generic/bits/stdarg.h -@@ -0,0 +1,4 @@ -+#define va_start(v,l) __builtin_va_start(v,l) -+#define va_end(v) __builtin_va_end(v) -+#define va_arg(v,l) __builtin_va_arg(v,l) -+#define va_copy(d,s) __builtin_va_copy(d,s) ---- /dev/null -+++ b/arch/generic/bits/termios.h -@@ -0,0 +1,160 @@ -+struct termios -+{ -+ tcflag_t c_iflag; -+ tcflag_t c_oflag; -+ tcflag_t c_cflag; -+ tcflag_t c_lflag; -+ cc_t c_line; -+ cc_t c_cc[NCCS]; -+ speed_t __c_ispeed; -+ speed_t __c_ospeed; -+}; -+ -+#define VINTR 0 -+#define VQUIT 1 -+#define VERASE 2 -+#define VKILL 3 -+#define VEOF 4 -+#define VTIME 5 -+#define VMIN 6 -+#define VSWTC 7 -+#define VSTART 8 -+#define VSTOP 9 -+#define VSUSP 10 -+#define VEOL 11 -+#define VREPRINT 12 -+#define VDISCARD 13 -+#define VWERASE 14 -+#define VLNEXT 15 -+#define VEOL2 16 -+ -+#define IGNBRK 0000001 -+#define BRKINT 0000002 -+#define IGNPAR 0000004 -+#define PARMRK 0000010 -+#define INPCK 0000020 -+#define ISTRIP 0000040 -+#define INLCR 0000100 -+#define IGNCR 0000200 -+#define ICRNL 0000400 -+#define IUCLC 0001000 -+#define IXON 0002000 -+#define IXANY 0004000 -+#define IXOFF 0010000 -+#define IMAXBEL 0020000 -+#define IUTF8 0040000 -+ -+#define OPOST 0000001 -+#define OLCUC 0000002 -+#define ONLCR 0000004 -+#define OCRNL 0000010 -+#define ONOCR 0000020 -+#define ONLRET 0000040 -+#define OFILL 0000100 -+#define OFDEL 0000200 -+#define NLDLY 0000400 -+#define NL0 0000000 -+#define NL1 0000400 -+#define CRDLY 0003000 -+#define CR0 0000000 -+#define CR1 0001000 -+#define CR2 0002000 -+#define CR3 0003000 -+#define TABDLY 0014000 -+#define TAB0 0000000 -+#define TAB1 0004000 -+#define TAB2 0010000 -+#define TAB3 0014000 -+#define BSDLY 0020000 -+#define BS0 0000000 -+#define BS1 0020000 -+#define FFDLY 0100000 -+#define FF0 0000000 -+#define FF1 0100000 -+ -+#define VTDLY 0040000 -+#define VT0 0000000 -+#define VT1 0040000 -+ -+#define B0 0000000 -+#define B50 0000001 -+#define B75 0000002 -+#define B110 0000003 -+#define B134 0000004 -+#define B150 0000005 -+#define B200 0000006 -+#define B300 0000007 -+#define B600 0000010 -+#define B1200 0000011 -+#define B1800 0000012 -+#define B2400 0000013 -+#define B4800 0000014 -+#define B9600 0000015 -+#define B19200 0000016 -+#define B38400 0000017 -+ -+#define B57600 0010001 -+#define B115200 0010002 -+#define B230400 0010003 -+#define B460800 0010004 -+#define B500000 0010005 -+#define B576000 0010006 -+#define B921600 0010007 -+#define B1000000 0010010 -+#define B1152000 0010011 -+#define B1500000 0010012 -+#define B2000000 0010013 -+#define B2500000 0010014 -+#define B3000000 0010015 -+#define B3500000 0010016 -+#define B4000000 0010017 -+ -+#define CBAUD 0010017 -+ -+#define CSIZE 0000060 -+#define CS5 0000000 -+#define CS6 0000020 -+#define CS7 0000040 -+#define CS8 0000060 -+#define CSTOPB 0000100 -+#define CREAD 0000200 -+#define PARENB 0000400 -+#define PARODD 0001000 -+#define HUPCL 0002000 -+#define CLOCAL 0004000 -+ -+#define ISIG 0000001 -+#define ICANON 0000002 -+#define ECHO 0000010 -+#define ECHOE 0000020 -+#define ECHOK 0000040 -+#define ECHONL 0000100 -+#define NOFLSH 0000200 -+#define TOSTOP 0000400 -+#define IEXTEN 0100000 -+ -+#define ECHOCTL 0001000 -+#define ECHOPRT 0002000 -+#define ECHOKE 0004000 -+#define FLUSHO 0010000 -+#define PENDIN 0040000 -+ -+#define TCOOFF 0 -+#define TCOON 1 -+#define TCIOFF 2 -+#define TCION 3 -+ -+#define TCIFLUSH 0 -+#define TCOFLUSH 1 -+#define TCIOFLUSH 2 -+ -+#define TCSANOW 0 -+#define TCSADRAIN 1 -+#define TCSAFLUSH 2 -+ -+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) -+#define CBAUDEX 0010000 -+#define CRTSCTS 020000000000 -+#define EXTPROC 0200000 -+#define XTABS 0014000 -+#endif ---- a/arch/i386/atomic.h -+++ /dev/null -@@ -1,110 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_64(uint64_t x) --{ -- int r; -- __asm__( "bsf %1,%0 ; jnz 1f ; bsf %2,%0 ; addl $32,%0\n1:" -- : "=&r"(r) : "r"((unsigned)x), "r"((unsigned)(x>>32)) ); -- return r; --} -- --static inline int a_ctz_l(unsigned long x) --{ -- long r; -- __asm__( "bsf %1,%0" : "=r"(r) : "r"(x) ); -- return r; --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- __asm__( "lock ; andl %1, (%0) ; lock ; andl %2, 4(%0)" -- : : "r"((long *)p), "r"((unsigned)v), "r"((unsigned)(v>>32)) : "memory" ); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- __asm__( "lock ; orl %1, (%0) ; lock ; orl %2, 4(%0)" -- : : "r"((long *)p), "r"((unsigned)v), "r"((unsigned)(v>>32)) : "memory" ); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- __asm__( "lock ; orl %1, %0" -- : "=m"(*(long *)p) : "r"(v) : "memory" ); --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- __asm__( "lock ; cmpxchg %3, %1" -- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" ); -- return t; --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- __asm__( "lock ; cmpxchg %3, %1" -- : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" ); -- return t; --} -- --static inline void a_or(volatile int *p, int v) --{ -- __asm__( "lock ; orl %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_and(volatile int *p, int v) --{ -- __asm__( "lock ; andl %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline int a_swap(volatile int *x, int v) --{ -- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" ); -- return v; --} -- --#define a_xchg a_swap -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- __asm__( "lock ; xadd %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" ); -- return v; --} -- --static inline void a_inc(volatile int *x) --{ -- __asm__( "lock ; incl %0" : "=m"(*x) : "m"(*x) : "memory" ); --} -- --static inline void a_dec(volatile int *x) --{ -- __asm__( "lock ; decl %0" : "=m"(*x) : "m"(*x) : "memory" ); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__( "movl %1, %0 ; lock ; orl $0,(%%esp)" : "=m"(*p) : "r"(x) : "memory" ); --} -- --static inline void a_spin() --{ -- __asm__ __volatile__( "pause" : : : "memory" ); --} -- --static inline void a_barrier() --{ -- __asm__ __volatile__( "" : : : "memory" ); --} -- --static inline void a_crash() --{ -- __asm__ __volatile__( "hlt" : : : "memory" ); --} -- -- --#endif ---- /dev/null -+++ b/arch/i386/atomic_arch.h -@@ -0,0 +1,101 @@ -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ __asm__ __volatile__ ( -+ "lock ; cmpxchg %3, %1" -+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" ); -+ return t; -+} -+ -+#define a_swap a_swap -+static inline int a_swap(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "xchg %0, %1" -+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); -+ return v; -+} -+ -+#define a_fetch_add a_fetch_add -+static inline int a_fetch_add(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; xadd %0, %1" -+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); -+ return v; -+} -+ -+#define a_and a_and -+static inline void a_and(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; and %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_or a_or -+static inline void a_or(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; or %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_inc a_inc -+static inline void a_inc(volatile int *p) -+{ -+ __asm__ __volatile__( -+ "lock ; incl %0" -+ : "=m"(*p) : "m"(*p) : "memory" ); -+} -+ -+#define a_dec a_dec -+static inline void a_dec(volatile int *p) -+{ -+ __asm__ __volatile__( -+ "lock ; decl %0" -+ : "=m"(*p) : "m"(*p) : "memory" ); -+} -+ -+#define a_store a_store -+static inline void a_store(volatile int *p, int x) -+{ -+ __asm__ __volatile__( -+ "mov %1, %0 ; lock ; orl $0,(%%esp)" -+ : "=m"(*p) : "r"(x) : "memory" ); -+} -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__( "" : : : "memory" ); -+} -+ -+#define a_pause a_pause -+static inline void a_spin() -+{ -+ __asm__ __volatile__( "pause" : : : "memory" ); -+} -+ -+#define a_crash a_crash -+static inline void a_crash() -+{ -+ __asm__ __volatile__( "hlt" : : : "memory" ); -+} -+ -+#define a_ctz_64 a_ctz_64 -+static inline int a_ctz_64(uint64_t x) -+{ -+ int r; -+ __asm__( "bsf %1,%0 ; jnz 1f ; bsf %2,%0 ; add $32,%0\n1:" -+ : "=&r"(r) : "r"((unsigned)x), "r"((unsigned)(x>>32)) ); -+ return r; -+} -+ -+#define a_ctz_l a_ctz_l -+static inline int a_ctz_l(unsigned long x) -+{ -+ long r; -+ __asm__( "bsf %1,%0" : "=r"(r) : "r"(x) ); -+ return r; -+} ---- a/arch/i386/bits/alltypes.h.in -+++ b/arch/i386/bits/alltypes.h.in -@@ -26,10 +26,12 @@ TYPEDEF long double float_t; - TYPEDEF long double double_t; - #endif - --#ifdef __cplusplus --TYPEDEF struct { alignas(8) long long __ll; long double __ld; } max_align_t; --#else -+#if !defined(__cplusplus) - TYPEDEF struct { _Alignas(8) long long __ll; long double __ld; } max_align_t; -+#elif defined(__GNUC__) -+TYPEDEF struct { __attribute__((__aligned__(8))) long long __ll; long double __ld; } max_align_t; -+#else -+TYPEDEF struct { alignas(8) long long __ll; long double __ld; } max_align_t; - #endif - - TYPEDEF long time_t; ---- a/arch/i386/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/i386/bits/fcntl.h -+++ /dev/null -@@ -1,40 +0,0 @@ --#define O_CREAT 0100 --#define O_EXCL 0200 --#define O_NOCTTY 0400 --#define O_TRUNC 01000 --#define O_APPEND 02000 --#define O_NONBLOCK 04000 --#define O_DSYNC 010000 --#define O_SYNC 04010000 --#define O_RSYNC 04010000 --#define O_DIRECTORY 0200000 --#define O_NOFOLLOW 0400000 --#define O_CLOEXEC 02000000 -- --#define O_ASYNC 020000 --#define O_DIRECT 040000 --#define O_LARGEFILE 0100000 --#define O_NOATIME 01000000 --#define O_PATH 010000000 --#define O_TMPFILE 020200000 --#define O_NDELAY O_NONBLOCK -- --#define F_DUPFD 0 --#define F_GETFD 1 --#define F_SETFD 2 --#define F_GETFL 3 --#define F_SETFL 4 -- --#define F_SETOWN 8 --#define F_GETOWN 9 --#define F_SETSIG 10 --#define F_GETSIG 11 -- --#define F_GETLK 12 --#define F_SETLK 13 --#define F_SETLKW 14 -- --#define F_SETOWN_EX 15 --#define F_GETOWN_EX 16 -- --#define F_GETOWNER_UIDS 17 ---- a/arch/i386/bits/ioctl.h -+++ /dev/null -@@ -1,197 +0,0 @@ --#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) ) --#define _IOC_NONE 0U --#define _IOC_WRITE 1U --#define _IOC_READ 2U -- --#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0) --#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c)) --#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c)) --#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c)) -- --#define TCGETS 0x5401 --#define TCSETS 0x5402 --#define TCSETSW 0x5403 --#define TCSETSF 0x5404 --#define TCGETA 0x5405 --#define TCSETA 0x5406 --#define TCSETAW 0x5407 --#define TCSETAF 0x5408 --#define TCSBRK 0x5409 --#define TCXONC 0x540A --#define TCFLSH 0x540B --#define TIOCEXCL 0x540C --#define TIOCNXCL 0x540D --#define TIOCSCTTY 0x540E --#define TIOCGPGRP 0x540F --#define TIOCSPGRP 0x5410 --#define TIOCOUTQ 0x5411 --#define TIOCSTI 0x5412 --#define TIOCGWINSZ 0x5413 --#define TIOCSWINSZ 0x5414 --#define TIOCMGET 0x5415 --#define TIOCMBIS 0x5416 --#define TIOCMBIC 0x5417 --#define TIOCMSET 0x5418 --#define TIOCGSOFTCAR 0x5419 --#define TIOCSSOFTCAR 0x541A --#define FIONREAD 0x541B --#define TIOCINQ FIONREAD --#define TIOCLINUX 0x541C --#define TIOCCONS 0x541D --#define TIOCGSERIAL 0x541E --#define TIOCSSERIAL 0x541F --#define TIOCPKT 0x5420 --#define FIONBIO 0x5421 --#define TIOCNOTTY 0x5422 --#define TIOCSETD 0x5423 --#define TIOCGETD 0x5424 --#define TCSBRKP 0x5425 --#define TIOCTTYGSTRUCT 0x5426 --#define TIOCSBRK 0x5427 --#define TIOCCBRK 0x5428 --#define TIOCGSID 0x5429 --#define TIOCGPTN 0x80045430 --#define TIOCSPTLCK 0x40045431 --#define TCGETX 0x5432 --#define TCSETX 0x5433 --#define TCSETXF 0x5434 --#define TCSETXW 0x5435 -- --#define FIONCLEX 0x5450 --#define FIOCLEX 0x5451 --#define FIOASYNC 0x5452 --#define TIOCSERCONFIG 0x5453 --#define TIOCSERGWILD 0x5454 --#define TIOCSERSWILD 0x5455 --#define TIOCGLCKTRMIOS 0x5456 --#define TIOCSLCKTRMIOS 0x5457 --#define TIOCSERGSTRUCT 0x5458 --#define TIOCSERGETLSR 0x5459 --#define TIOCSERGETMULTI 0x545A --#define TIOCSERSETMULTI 0x545B -- --#define TIOCMIWAIT 0x545C --#define TIOCGICOUNT 0x545D --#define TIOCGHAYESESP 0x545E --#define TIOCSHAYESESP 0x545F --#define FIOQSIZE 0x5460 -- --#define TIOCPKT_DATA 0 --#define TIOCPKT_FLUSHREAD 1 --#define TIOCPKT_FLUSHWRITE 2 --#define TIOCPKT_STOP 4 --#define TIOCPKT_START 8 --#define TIOCPKT_NOSTOP 16 --#define TIOCPKT_DOSTOP 32 --#define TIOCPKT_IOCTL 64 -- --#define TIOCSER_TEMT 0x01 -- --struct winsize { -- unsigned short ws_row; -- unsigned short ws_col; -- unsigned short ws_xpixel; -- unsigned short ws_ypixel; --}; -- --#define TIOCM_LE 0x001 --#define TIOCM_DTR 0x002 --#define TIOCM_RTS 0x004 --#define TIOCM_ST 0x008 --#define TIOCM_SR 0x010 --#define TIOCM_CTS 0x020 --#define TIOCM_CAR 0x040 --#define TIOCM_RNG 0x080 --#define TIOCM_DSR 0x100 --#define TIOCM_CD TIOCM_CAR --#define TIOCM_RI TIOCM_RNG --#define TIOCM_OUT1 0x2000 --#define TIOCM_OUT2 0x4000 --#define TIOCM_LOOP 0x8000 --#define TIOCM_MODEM_BITS TIOCM_OUT2 -- --#define N_TTY 0 --#define N_SLIP 1 --#define N_MOUSE 2 --#define N_PPP 3 --#define N_STRIP 4 --#define N_AX25 5 --#define N_X25 6 --#define N_6PACK 7 --#define N_MASC 8 --#define N_R3964 9 --#define N_PROFIBUS_FDL 10 --#define N_IRDA 11 --#define N_SMSBLOCK 12 --#define N_HDLC 13 --#define N_SYNC_PPP 14 --#define N_HCI 15 -- --#define FIOSETOWN 0x8901 --#define SIOCSPGRP 0x8902 --#define FIOGETOWN 0x8903 --#define SIOCGPGRP 0x8904 --#define SIOCATMARK 0x8905 --#define SIOCGSTAMP 0x8906 -- --#define SIOCADDRT 0x890B --#define SIOCDELRT 0x890C --#define SIOCRTMSG 0x890D -- --#define SIOCGIFNAME 0x8910 --#define SIOCSIFLINK 0x8911 --#define SIOCGIFCONF 0x8912 --#define SIOCGIFFLAGS 0x8913 --#define SIOCSIFFLAGS 0x8914 --#define SIOCGIFADDR 0x8915 --#define SIOCSIFADDR 0x8916 --#define SIOCGIFDSTADDR 0x8917 --#define SIOCSIFDSTADDR 0x8918 --#define SIOCGIFBRDADDR 0x8919 --#define SIOCSIFBRDADDR 0x891a --#define SIOCGIFNETMASK 0x891b --#define SIOCSIFNETMASK 0x891c --#define SIOCGIFMETRIC 0x891d --#define SIOCSIFMETRIC 0x891e --#define SIOCGIFMEM 0x891f --#define SIOCSIFMEM 0x8920 --#define SIOCGIFMTU 0x8921 --#define SIOCSIFMTU 0x8922 --#define SIOCSIFHWADDR 0x8924 --#define SIOCGIFENCAP 0x8925 --#define SIOCSIFENCAP 0x8926 --#define SIOCGIFHWADDR 0x8927 --#define SIOCGIFSLAVE 0x8929 --#define SIOCSIFSLAVE 0x8930 --#define SIOCADDMULTI 0x8931 --#define SIOCDELMULTI 0x8932 --#define SIOCGIFINDEX 0x8933 --#define SIOGIFINDEX SIOCGIFINDEX --#define SIOCSIFPFLAGS 0x8934 --#define SIOCGIFPFLAGS 0x8935 --#define SIOCDIFADDR 0x8936 --#define SIOCSIFHWBROADCAST 0x8937 --#define SIOCGIFCOUNT 0x8938 -- --#define SIOCGIFBR 0x8940 --#define SIOCSIFBR 0x8941 -- --#define SIOCGIFTXQLEN 0x8942 --#define SIOCSIFTXQLEN 0x8943 -- --#define SIOCDARP 0x8953 --#define SIOCGARP 0x8954 --#define SIOCSARP 0x8955 -- --#define SIOCDRARP 0x8960 --#define SIOCGRARP 0x8961 --#define SIOCSRARP 0x8962 -- --#define SIOCGIFMAP 0x8970 --#define SIOCSIFMAP 0x8971 -- --#define SIOCADDDLCI 0x8980 --#define SIOCDELDLCI 0x8981 -- --#define SIOCDEVPRIVATE 0x89F0 --#define SIOCPROTOPRIVATE 0x89E0 ---- a/arch/i386/bits/ipc.h -+++ /dev/null -@@ -1,14 +0,0 @@ --struct ipc_perm --{ -- key_t __ipc_perm_key; -- uid_t uid; -- gid_t gid; -- uid_t cuid; -- gid_t cgid; -- mode_t mode; -- int __ipc_perm_seq; -- long __pad1; -- long __pad2; --}; -- --#define IPC_64 0x100 ---- a/arch/i386/bits/mman.h -+++ b/arch/i386/bits/mman.h -@@ -38,6 +38,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/i386/bits/msg.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct msqid_ds --{ -- struct ipc_perm msg_perm; -- time_t msg_stime; -- int __unused1; -- time_t msg_rtime; -- int __unused2; -- time_t msg_ctime; -- int __unused3; -- unsigned long msg_cbytes; -- msgqnum_t msg_qnum; -- msglen_t msg_qbytes; -- pid_t msg_lspid; -- pid_t msg_lrpid; -- unsigned long __unused[2]; --}; ---- a/arch/i386/bits/sem.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct semid_ds { -- struct ipc_perm sem_perm; -- time_t sem_otime; -- time_t __unused1; -- time_t sem_ctime; -- time_t __unused2; --#if __BYTE_ORDER == __LITTLE_ENDIAN -- unsigned short sem_nsems; -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; --#else -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -- unsigned short sem_nsems; --#endif -- time_t __unused3; -- time_t __unused4; --}; ---- a/arch/i386/bits/shm.h -+++ /dev/null -@@ -1,29 +0,0 @@ --#define SHMLBA 4096 -- --struct shmid_ds --{ -- struct ipc_perm shm_perm; -- size_t shm_segsz; -- time_t shm_atime; -- int __unused1; -- time_t shm_dtime; -- int __unused2; -- time_t shm_ctime; -- int __unused3; -- pid_t shm_cpid; -- pid_t shm_lpid; -- unsigned long shm_nattch; -- unsigned long __pad1; -- unsigned long __pad2; --}; -- --struct shminfo { -- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4]; --}; -- --struct shm_info { -- int __used_ids; -- unsigned long shm_tot, shm_rss, shm_swp; -- unsigned long __swap_attempts, __swap_successes; --}; -- ---- a/arch/i386/bits/socket.h -+++ /dev/null -@@ -1,17 +0,0 @@ --struct msghdr --{ -- void *msg_name; -- socklen_t msg_namelen; -- struct iovec *msg_iov; -- int msg_iovlen; -- void *msg_control; -- socklen_t msg_controllen; -- int msg_flags; --}; -- --struct cmsghdr --{ -- socklen_t cmsg_len; -- int cmsg_level; -- int cmsg_type; --}; ---- a/arch/i386/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/i386/bits/syscall.h -+++ b/arch/i386/bits/syscall.h -@@ -357,6 +357,24 @@ - #define __NR_memfd_create 356 - #define __NR_bpf 357 - #define __NR_execveat 358 -+#define __NR_socket 359 -+#define __NR_socketpair 360 -+#define __NR_bind 361 -+#define __NR_connect 362 -+#define __NR_listen 363 -+#define __NR_accept4 364 -+#define __NR_getsockopt 365 -+#define __NR_setsockopt 366 -+#define __NR_getsockname 367 -+#define __NR_getpeername 368 -+#define __NR_sendto 369 -+#define __NR_sendmsg 370 -+#define __NR_recvfrom 371 -+#define __NR_recvmsg 372 -+#define __NR_shutdown 373 -+#define __NR_userfaultfd 374 -+#define __NR_membarrier 375 -+#define __NR_mlock2 376 - - - /* Repeated with SYS_ prefix */ -@@ -720,3 +738,21 @@ - #define SYS_memfd_create 356 - #define SYS_bpf 357 - #define SYS_execveat 358 -+#define SYS_socket 359 -+#define SYS_socketpair 360 -+#define SYS_bind 361 -+#define SYS_connect 362 -+#define SYS_listen 363 -+#define SYS_accept4 364 -+#define SYS_getsockopt 365 -+#define SYS_setsockopt 366 -+#define SYS_getsockname 367 -+#define SYS_getpeername 368 -+#define SYS_sendto 369 -+#define SYS_sendmsg 370 -+#define SYS_recvfrom 371 -+#define SYS_recvmsg 372 -+#define SYS_shutdown 373 -+#define SYS_userfaultfd 374 -+#define SYS_membarrier 375 -+#define SYS_mlock2 376 ---- a/arch/i386/bits/termios.h -+++ /dev/null -@@ -1,160 +0,0 @@ --struct termios --{ -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/i386/pthread_arch.h -+++ b/arch/i386/pthread_arch.h -@@ -7,4 +7,4 @@ static inline struct pthread *__pthread_ - - #define TP_ADJ(p) (p) - --#define CANCEL_REG_IP 14 -+#define MC_PC gregs[REG_EIP] ---- a/arch/i386/syscall_arch.h -+++ b/arch/i386/syscall_arch.h -@@ -55,3 +55,5 @@ static inline long __syscall6(long n, lo - #define VDSO_USEFUL - #define VDSO_CGT_SYM "__vdso_clock_gettime" - #define VDSO_CGT_VER "LINUX_2.6" -+ -+#define SYSCALL_USE_SOCKETCALL ---- a/arch/microblaze/atomic.h -+++ /dev/null -@@ -1,143 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_l(unsigned long x) --{ -- static const char debruijn32[32] = { -- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -- }; -- return debruijn32[(x&-x)*0x076be629 >> 27]; --} -- --static inline int a_ctz_64(uint64_t x) --{ -- uint32_t y = x; -- if (!y) { -- y = x>>32; -- return 32 + a_ctz_l(y); -- } -- return a_ctz_l(y); --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- register int old, tmp; -- __asm__ __volatile__ ( -- " addi %0, r0, 0\n" -- "1: lwx %0, %2, r0\n" -- " rsubk %1, %0, %3\n" -- " bnei %1, 1f\n" -- " swx %4, %2, r0\n" -- " addic %1, r0, 0\n" -- " bnei %1, 1b\n" -- "1: " -- : "=&r"(old), "=&r"(tmp) -- : "r"(p), "r"(t), "r"(s) -- : "cc", "memory" ); -- return old; --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- return (void *)a_cas(p, (int)t, (int)s); --} -- --static inline int a_swap(volatile int *x, int v) --{ -- register int old, tmp; -- __asm__ __volatile__ ( -- " addi %0, r0, 0\n" -- "1: lwx %0, %2, r0\n" -- " swx %3, %2, r0\n" -- " addic %1, r0, 0\n" -- " bnei %1, 1b\n" -- "1: " -- : "=&r"(old), "=&r"(tmp) -- : "r"(x), "r"(v) -- : "cc", "memory" ); -- return old; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- register int new, tmp; -- __asm__ __volatile__ ( -- " addi %0, r0, 0\n" -- "1: lwx %0, %2, r0\n" -- " addk %0, %0, %3\n" -- " swx %0, %2, r0\n" -- " addic %1, r0, 0\n" -- " bnei %1, 1b\n" -- "1: " -- : "=&r"(new), "=&r"(tmp) -- : "r"(x), "r"(v) -- : "cc", "memory" ); -- return new-v; --} -- --static inline void a_inc(volatile int *x) --{ -- a_fetch_add(x, 1); --} -- --static inline void a_dec(volatile int *x) --{ -- a_fetch_add(x, -1); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__ __volatile__ ( -- "swi %1, %0" -- : "=m"(*p) : "r"(x) : "memory" ); --} -- --#define a_spin a_barrier -- --static inline void a_barrier() --{ -- a_cas(&(int){0}, 0, 0); --} -- --static inline void a_crash() --{ -- *(volatile char *)0=0; --} -- --static inline void a_and(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (a_cas(p, old, old&v) != old); --} -- --static inline void a_or(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (a_cas(p, old, old|v) != old); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- a_or(p, v); --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_and((int *)p, u.r[0]); -- a_and((int *)p+1, u.r[1]); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_or((int *)p, u.r[0]); -- a_or((int *)p+1, u.r[1]); --} -- --#endif ---- /dev/null -+++ b/arch/microblaze/atomic_arch.h -@@ -0,0 +1,53 @@ -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ register int old, tmp; -+ __asm__ __volatile__ ( -+ " addi %0, r0, 0\n" -+ "1: lwx %0, %2, r0\n" -+ " rsubk %1, %0, %3\n" -+ " bnei %1, 1f\n" -+ " swx %4, %2, r0\n" -+ " addic %1, r0, 0\n" -+ " bnei %1, 1b\n" -+ "1: " -+ : "=&r"(old), "=&r"(tmp) -+ : "r"(p), "r"(t), "r"(s) -+ : "cc", "memory" ); -+ return old; -+} -+ -+#define a_swap a_swap -+static inline int a_swap(volatile int *x, int v) -+{ -+ register int old, tmp; -+ __asm__ __volatile__ ( -+ " addi %0, r0, 0\n" -+ "1: lwx %0, %2, r0\n" -+ " swx %3, %2, r0\n" -+ " addic %1, r0, 0\n" -+ " bnei %1, 1b\n" -+ "1: " -+ : "=&r"(old), "=&r"(tmp) -+ : "r"(x), "r"(v) -+ : "cc", "memory" ); -+ return old; -+} -+ -+#define a_fetch_add a_fetch_add -+static inline int a_fetch_add(volatile int *x, int v) -+{ -+ register int new, tmp; -+ __asm__ __volatile__ ( -+ " addi %0, r0, 0\n" -+ "1: lwx %0, %2, r0\n" -+ " addk %0, %0, %3\n" -+ " swx %0, %2, r0\n" -+ " addic %1, r0, 0\n" -+ " bnei %1, 1b\n" -+ "1: " -+ : "=&r"(new), "=&r"(tmp) -+ : "r"(x), "r"(v) -+ : "cc", "memory" ); -+ return new-v; -+} ---- a/arch/microblaze/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/microblaze/bits/fcntl.h -+++ /dev/null -@@ -1,40 +0,0 @@ --#define O_CREAT 0100 --#define O_EXCL 0200 --#define O_NOCTTY 0400 --#define O_TRUNC 01000 --#define O_APPEND 02000 --#define O_NONBLOCK 04000 --#define O_DSYNC 010000 --#define O_SYNC 04010000 --#define O_RSYNC 04010000 --#define O_DIRECTORY 0200000 --#define O_NOFOLLOW 0400000 --#define O_CLOEXEC 02000000 -- --#define O_ASYNC 020000 --#define O_DIRECT 040000 --#define O_LARGEFILE 0100000 --#define O_NOATIME 01000000 --#define O_PATH 010000000 --#define O_TMPFILE 020200000 --#define O_NDELAY O_NONBLOCK -- --#define F_DUPFD 0 --#define F_GETFD 1 --#define F_SETFD 2 --#define F_GETFL 3 --#define F_SETFL 4 -- --#define F_SETOWN 8 --#define F_GETOWN 9 --#define F_SETSIG 10 --#define F_GETSIG 11 -- --#define F_GETLK 12 --#define F_SETLK 13 --#define F_SETLKW 14 -- --#define F_SETOWN_EX 15 --#define F_GETOWN_EX 16 -- --#define F_GETOWNER_UIDS 17 ---- a/arch/microblaze/bits/fenv.h -+++ /dev/null -@@ -1,10 +0,0 @@ --#define FE_ALL_EXCEPT 0 --#define FE_TONEAREST 0 -- --typedef unsigned long fexcept_t; -- --typedef struct { -- unsigned long __cw; --} fenv_t; -- --#define FE_DFL_ENV ((const fenv_t *) -1) ---- a/arch/microblaze/bits/ioctl.h -+++ /dev/null -@@ -1,197 +0,0 @@ --#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) ) --#define _IOC_NONE 0U --#define _IOC_WRITE 1U --#define _IOC_READ 2U -- --#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0) --#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c)) --#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c)) --#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c)) -- --#define TCGETS 0x5401 --#define TCSETS 0x5402 --#define TCSETSW 0x5403 --#define TCSETSF 0x5404 --#define TCGETA 0x5405 --#define TCSETA 0x5406 --#define TCSETAW 0x5407 --#define TCSETAF 0x5408 --#define TCSBRK 0x5409 --#define TCXONC 0x540A --#define TCFLSH 0x540B --#define TIOCEXCL 0x540C --#define TIOCNXCL 0x540D --#define TIOCSCTTY 0x540E --#define TIOCGPGRP 0x540F --#define TIOCSPGRP 0x5410 --#define TIOCOUTQ 0x5411 --#define TIOCSTI 0x5412 --#define TIOCGWINSZ 0x5413 --#define TIOCSWINSZ 0x5414 --#define TIOCMGET 0x5415 --#define TIOCMBIS 0x5416 --#define TIOCMBIC 0x5417 --#define TIOCMSET 0x5418 --#define TIOCGSOFTCAR 0x5419 --#define TIOCSSOFTCAR 0x541A --#define FIONREAD 0x541B --#define TIOCINQ FIONREAD --#define TIOCLINUX 0x541C --#define TIOCCONS 0x541D --#define TIOCGSERIAL 0x541E --#define TIOCSSERIAL 0x541F --#define TIOCPKT 0x5420 --#define FIONBIO 0x5421 --#define TIOCNOTTY 0x5422 --#define TIOCSETD 0x5423 --#define TIOCGETD 0x5424 --#define TCSBRKP 0x5425 --#define TIOCTTYGSTRUCT 0x5426 --#define TIOCSBRK 0x5427 --#define TIOCCBRK 0x5428 --#define TIOCGSID 0x5429 --#define TIOCGPTN 0x80045430 --#define TIOCSPTLCK 0x40045431 --#define TCGETX 0x5432 --#define TCSETX 0x5433 --#define TCSETXF 0x5434 --#define TCSETXW 0x5435 -- --#define FIONCLEX 0x5450 --#define FIOCLEX 0x5451 --#define FIOASYNC 0x5452 --#define TIOCSERCONFIG 0x5453 --#define TIOCSERGWILD 0x5454 --#define TIOCSERSWILD 0x5455 --#define TIOCGLCKTRMIOS 0x5456 --#define TIOCSLCKTRMIOS 0x5457 --#define TIOCSERGSTRUCT 0x5458 --#define TIOCSERGETLSR 0x5459 --#define TIOCSERGETMULTI 0x545A --#define TIOCSERSETMULTI 0x545B -- --#define TIOCMIWAIT 0x545C --#define TIOCGICOUNT 0x545D --#define TIOCGHAYESESP 0x545E --#define TIOCSHAYESESP 0x545F --#define FIOQSIZE 0x5460 -- --#define TIOCPKT_DATA 0 --#define TIOCPKT_FLUSHREAD 1 --#define TIOCPKT_FLUSHWRITE 2 --#define TIOCPKT_STOP 4 --#define TIOCPKT_START 8 --#define TIOCPKT_NOSTOP 16 --#define TIOCPKT_DOSTOP 32 --#define TIOCPKT_IOCTL 64 -- --#define TIOCSER_TEMT 0x01 -- --struct winsize { -- unsigned short ws_row; -- unsigned short ws_col; -- unsigned short ws_xpixel; -- unsigned short ws_ypixel; --}; -- --#define TIOCM_LE 0x001 --#define TIOCM_DTR 0x002 --#define TIOCM_RTS 0x004 --#define TIOCM_ST 0x008 --#define TIOCM_SR 0x010 --#define TIOCM_CTS 0x020 --#define TIOCM_CAR 0x040 --#define TIOCM_RNG 0x080 --#define TIOCM_DSR 0x100 --#define TIOCM_CD TIOCM_CAR --#define TIOCM_RI TIOCM_RNG --#define TIOCM_OUT1 0x2000 --#define TIOCM_OUT2 0x4000 --#define TIOCM_LOOP 0x8000 --#define TIOCM_MODEM_BITS TIOCM_OUT2 -- --#define N_TTY 0 --#define N_SLIP 1 --#define N_MOUSE 2 --#define N_PPP 3 --#define N_STRIP 4 --#define N_AX25 5 --#define N_X25 6 --#define N_6PACK 7 --#define N_MASC 8 --#define N_R3964 9 --#define N_PROFIBUS_FDL 10 --#define N_IRDA 11 --#define N_SMSBLOCK 12 --#define N_HDLC 13 --#define N_SYNC_PPP 14 --#define N_HCI 15 -- --#define FIOSETOWN 0x8901 --#define SIOCSPGRP 0x8902 --#define FIOGETOWN 0x8903 --#define SIOCGPGRP 0x8904 --#define SIOCATMARK 0x8905 --#define SIOCGSTAMP 0x8906 -- --#define SIOCADDRT 0x890B --#define SIOCDELRT 0x890C --#define SIOCRTMSG 0x890D -- --#define SIOCGIFNAME 0x8910 --#define SIOCSIFLINK 0x8911 --#define SIOCGIFCONF 0x8912 --#define SIOCGIFFLAGS 0x8913 --#define SIOCSIFFLAGS 0x8914 --#define SIOCGIFADDR 0x8915 --#define SIOCSIFADDR 0x8916 --#define SIOCGIFDSTADDR 0x8917 --#define SIOCSIFDSTADDR 0x8918 --#define SIOCGIFBRDADDR 0x8919 --#define SIOCSIFBRDADDR 0x891a --#define SIOCGIFNETMASK 0x891b --#define SIOCSIFNETMASK 0x891c --#define SIOCGIFMETRIC 0x891d --#define SIOCSIFMETRIC 0x891e --#define SIOCGIFMEM 0x891f --#define SIOCSIFMEM 0x8920 --#define SIOCGIFMTU 0x8921 --#define SIOCSIFMTU 0x8922 --#define SIOCSIFHWADDR 0x8924 --#define SIOCGIFENCAP 0x8925 --#define SIOCSIFENCAP 0x8926 --#define SIOCGIFHWADDR 0x8927 --#define SIOCGIFSLAVE 0x8929 --#define SIOCSIFSLAVE 0x8930 --#define SIOCADDMULTI 0x8931 --#define SIOCDELMULTI 0x8932 --#define SIOCGIFINDEX 0x8933 --#define SIOGIFINDEX SIOCGIFINDEX --#define SIOCSIFPFLAGS 0x8934 --#define SIOCGIFPFLAGS 0x8935 --#define SIOCDIFADDR 0x8936 --#define SIOCSIFHWBROADCAST 0x8937 --#define SIOCGIFCOUNT 0x8938 -- --#define SIOCGIFBR 0x8940 --#define SIOCSIFBR 0x8941 -- --#define SIOCGIFTXQLEN 0x8942 --#define SIOCSIFTXQLEN 0x8943 -- --#define SIOCDARP 0x8953 --#define SIOCGARP 0x8954 --#define SIOCSARP 0x8955 -- --#define SIOCDRARP 0x8960 --#define SIOCGRARP 0x8961 --#define SIOCSRARP 0x8962 -- --#define SIOCGIFMAP 0x8970 --#define SIOCSIFMAP 0x8971 -- --#define SIOCADDDLCI 0x8980 --#define SIOCDELDLCI 0x8981 -- --#define SIOCDEVPRIVATE 0x89F0 --#define SIOCPROTOPRIVATE 0x89E0 ---- a/arch/microblaze/bits/ipc.h -+++ /dev/null -@@ -1,14 +0,0 @@ --struct ipc_perm --{ -- key_t __ipc_perm_key; -- uid_t uid; -- gid_t gid; -- uid_t cuid; -- gid_t cgid; -- mode_t mode; -- int __ipc_perm_seq; -- long __pad1; -- long __pad2; --}; -- --#define IPC_64 0x100 ---- a/arch/microblaze/bits/mman.h -+++ b/arch/microblaze/bits/mman.h -@@ -37,6 +37,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/microblaze/bits/msg.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct msqid_ds --{ -- struct ipc_perm msg_perm; -- time_t msg_stime; -- int __unused1; -- time_t msg_rtime; -- int __unused2; -- time_t msg_ctime; -- int __unused3; -- unsigned long msg_cbytes; -- msgqnum_t msg_qnum; -- msglen_t msg_qbytes; -- pid_t msg_lspid; -- pid_t msg_lrpid; -- unsigned long __unused[2]; --}; ---- a/arch/microblaze/bits/sem.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct semid_ds { -- struct ipc_perm sem_perm; -- time_t sem_otime; -- time_t __unused1; -- time_t sem_ctime; -- time_t __unused2; --#if __BYTE_ORDER == __LITTLE_ENDIAN -- unsigned short sem_nsems; -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; --#else -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -- unsigned short sem_nsems; --#endif -- time_t __unused3; -- time_t __unused4; --}; ---- a/arch/microblaze/bits/shm.h -+++ /dev/null -@@ -1,29 +0,0 @@ --#define SHMLBA 4096 -- --struct shmid_ds --{ -- struct ipc_perm shm_perm; -- size_t shm_segsz; -- time_t shm_atime; -- int __unused1; -- time_t shm_dtime; -- int __unused2; -- time_t shm_ctime; -- int __unused3; -- pid_t shm_cpid; -- pid_t shm_lpid; -- unsigned long shm_nattch; -- unsigned long __pad1; -- unsigned long __pad2; --}; -- --struct shminfo { -- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4]; --}; -- --struct shm_info { -- int __used_ids; -- unsigned long shm_tot, shm_rss, shm_swp; -- unsigned long __swap_attempts, __swap_successes; --}; -- ---- a/arch/microblaze/bits/socket.h -+++ /dev/null -@@ -1,17 +0,0 @@ --struct msghdr --{ -- void *msg_name; -- socklen_t msg_namelen; -- struct iovec *msg_iov; -- int msg_iovlen; -- void *msg_control; -- socklen_t msg_controllen; -- int msg_flags; --}; -- --struct cmsghdr --{ -- socklen_t cmsg_len; -- int cmsg_level; -- int cmsg_type; --}; ---- a/arch/microblaze/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/microblaze/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/microblaze/bits/termios.h -+++ /dev/null -@@ -1,160 +0,0 @@ --struct termios --{ -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/microblaze/pthread_arch.h -+++ b/arch/microblaze/pthread_arch.h -@@ -7,4 +7,4 @@ static inline struct pthread *__pthread_ - - #define TP_ADJ(p) (p) - --#define CANCEL_REG_IP 32 -+#define MC_PC regs.pc ---- a/arch/mips/atomic.h -+++ /dev/null -@@ -1,205 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_l(unsigned long x) --{ -- static const char debruijn32[32] = { -- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -- }; -- return debruijn32[(x&-x)*0x076be629 >> 27]; --} -- --static inline int a_ctz_64(uint64_t x) --{ -- uint32_t y = x; -- if (!y) { -- y = x>>32; -- return 32 + a_ctz_l(y); -- } -- return a_ctz_l(y); --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- int dummy; -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- "1: ll %0, %2\n" -- " bne %0, %3, 1f\n" -- " addu %1, %4, $0\n" -- " sc %1, %2\n" -- " beq %1, $0, 1b\n" -- " nop\n" -- " sync\n" -- "1: \n" -- ".set pop\n" -- : "=&r"(t), "=&r"(dummy), "+m"(*p) : "r"(t), "r"(s) : "memory" ); -- return t; --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- return (void *)a_cas(p, (int)t, (int)s); --} -- --static inline int a_swap(volatile int *x, int v) --{ -- int old, dummy; -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- "1: ll %0, %2\n" -- " addu %1, %3, $0\n" -- " sc %1, %2\n" -- " beq %1, $0, 1b\n" -- " nop\n" -- " sync\n" -- ".set pop\n" -- : "=&r"(old), "=&r"(dummy), "+m"(*x) : "r"(v) : "memory" ); -- return old; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- int old, dummy; -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- "1: ll %0, %2\n" -- " addu %1, %0, %3\n" -- " sc %1, %2\n" -- " beq %1, $0, 1b\n" -- " nop\n" -- " sync\n" -- ".set pop\n" -- : "=&r"(old), "=&r"(dummy), "+m"(*x) : "r"(v) : "memory" ); -- return old; --} -- --static inline void a_inc(volatile int *x) --{ -- int dummy; -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- "1: ll %0, %1\n" -- " addu %0, %0, 1\n" -- " sc %0, %1\n" -- " beq %0, $0, 1b\n" -- " nop\n" -- " sync\n" -- ".set pop\n" -- : "=&r"(dummy), "+m"(*x) : : "memory" ); --} -- --static inline void a_dec(volatile int *x) --{ -- int dummy; -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- "1: ll %0, %1\n" -- " subu %0, %0, 1\n" -- " sc %0, %1\n" -- " beq %0, $0, 1b\n" -- " nop\n" -- " sync\n" -- ".set pop\n" -- : "=&r"(dummy), "+m"(*x) : : "memory" ); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- " sw %1, %0\n" -- " sync\n" -- ".set pop\n" -- : "+m"(*p) : "r"(x) : "memory" ); --} -- --#define a_spin a_barrier -- --static inline void a_barrier() --{ -- a_cas(&(int){0}, 0, 0); --} -- --static inline void a_crash() --{ -- *(volatile char *)0=0; --} -- --static inline void a_and(volatile int *p, int v) --{ -- int dummy; -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- "1: ll %0, %1\n" -- " and %0, %0, %2\n" -- " sc %0, %1\n" -- " beq %0, $0, 1b\n" -- " nop\n" -- " sync\n" -- ".set pop\n" -- : "=&r"(dummy), "+m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_or(volatile int *p, int v) --{ -- int dummy; -- __asm__ __volatile__( -- ".set push\n" -- ".set mips2\n" -- ".set noreorder\n" -- " sync\n" -- "1: ll %0, %1\n" -- " or %0, %0, %2\n" -- " sc %0, %1\n" -- " beq %0, $0, 1b\n" -- " nop\n" -- " sync\n" -- ".set pop\n" -- : "=&r"(dummy), "+m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- a_or(p, v); --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_and((int *)p, u.r[0]); -- a_and((int *)p+1, u.r[1]); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_or((int *)p, u.r[0]); -- a_or((int *)p+1, u.r[1]); --} -- --#endif ---- /dev/null -+++ b/arch/mips/atomic_arch.h -@@ -0,0 +1,39 @@ -+#define a_ll a_ll -+static inline int a_ll(volatile int *p) -+{ -+ int v; -+ __asm__ __volatile__ ( -+ ".set push ; .set mips2\n\t" -+ "ll %0, %1" -+ "\n\t.set pop" -+ : "=r"(v) : "m"(*p)); -+ return v; -+} -+ -+#define a_sc a_sc -+static inline int a_sc(volatile int *p, int v) -+{ -+ int r; -+ __asm__ __volatile__ ( -+ ".set push ; .set mips2\n\t" -+ "sc %0, %1" -+ "\n\t.set pop" -+ : "=r"(r), "=m"(*p) : "0"(v) : "memory"); -+ return r; -+} -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ /* mips2 sync, but using too many directives causes -+ * gcc not to inline it, so encode with .long instead. */ -+ __asm__ __volatile__ (".long 0xf" : : : "memory"); -+#if 0 -+ __asm__ __volatile__ ( -+ ".set push ; .set mips2 ; sync ; .set pop" -+ : : : "memory"); -+#endif -+} -+ -+#define a_pre_llsc a_barrier -+#define a_post_llsc a_barrier ---- a/arch/mips/bits/ipc.h -+++ /dev/null -@@ -1,14 +0,0 @@ --struct ipc_perm --{ -- key_t __ipc_perm_key; -- uid_t uid; -- gid_t gid; -- uid_t cuid; -- gid_t cgid; -- mode_t mode; -- int __ipc_perm_seq; -- long __pad1; -- long __pad2; --}; -- --#define IPC_64 0x100 ---- a/arch/mips/bits/mman.h -+++ b/arch/mips/bits/mman.h -@@ -37,6 +37,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/mips/bits/signal.h -+++ b/arch/mips/bits/signal.h -@@ -73,6 +73,15 @@ typedef struct __ucontext { - #define SIG_UNBLOCK 2 - #define SIG_SETMASK 3 - -+#undef SI_ASYNCIO -+#undef SI_MESGQ -+#undef SI_TIMER -+#define SI_ASYNCIO (-2) -+#define SI_MESGQ (-4) -+#define SI_TIMER (-3) -+ -+#define __SI_SWAP_ERRNO_CODE -+ - #endif - - #define SIGHUP 1 ---- a/arch/mips/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/mips/bits/syscall.h -+++ b/arch/mips/bits/syscall.h -@@ -354,6 +354,9 @@ - #define __NR_memfd_create 4354 - #define __NR_bpf 4355 - #define __NR_execveat 4356 -+#define __NR_userfaultfd 4357 -+#define __NR_membarrier 4358 -+#define __NR_mlock2 4359 - - - /* Repeated with SYS_ prefix */ -@@ -713,3 +716,6 @@ - #define SYS_memfd_create 4354 - #define SYS_bpf 4355 - #define SYS_execveat 4356 -+#define SYS_userfaultfd 4357 -+#define SYS_membarrier 4358 -+#define SYS_mlock2 4359 ---- a/arch/mips/crt_arch.h -+++ b/arch/mips/crt_arch.h -@@ -4,13 +4,16 @@ __asm__( - ".text \n" - ".global _" START "\n" - ".global " START "\n" -+".global " START "_data\n" - ".type _" START ", @function\n" - ".type " START ", @function\n" -+".type " START "_data, @function\n" - "_" START ":\n" - "" START ":\n" - " bal 1f \n" - " move $fp, $0 \n" --"2: .gpword 2b \n" -+"" START "_data: \n" -+" .gpword " START "_data \n" - " .gpword " START "_c \n" - ".weak _DYNAMIC \n" - ".hidden _DYNAMIC \n" ---- a/arch/mips/pthread_arch.h -+++ b/arch/mips/pthread_arch.h -@@ -16,4 +16,4 @@ static inline struct pthread *__pthread_ - - #define DTP_OFFSET 0x8000 - --#define CANCEL_REG_IP (3-(union {int __i; char __b;}){1}.__b) -+#define MC_PC pc ---- a/arch/mips/syscall_arch.h -+++ b/arch/mips/syscall_arch.h -@@ -3,9 +3,7 @@ - ((union { long long ll; long l[2]; }){ .ll = x }).l[1] - #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x)) - --#ifdef SHARED - __attribute__((visibility("hidden"))) --#endif - long (__syscall)(long, ...); - - #define SYSCALL_RLIM_INFINITY (-1UL/2) -@@ -163,3 +161,7 @@ static inline long __syscall6(long n, lo - if (n == SYS_fstatat) __stat_fix(c); - return r2; - } -+ -+#define VDSO_USEFUL -+#define VDSO_CGT_SYM "__vdso_clock_gettime" -+#define VDSO_CGT_VER "LINUX_2.6" ---- a/arch/or1k/atomic.h -+++ /dev/null -@@ -1,120 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_l(unsigned long x) --{ -- static const char debruijn32[32] = { -- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -- }; -- return debruijn32[(x&-x)*0x076be629 >> 27]; --} -- --static inline int a_ctz_64(uint64_t x) --{ -- uint32_t y = x; -- if (!y) { -- y = x>>32; -- return 32 + a_ctz_l(y); -- } -- return a_ctz_l(y); --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- __asm__("1: l.lwa %0, %1\n" -- " l.sfeq %0, %2\n" -- " l.bnf 1f\n" -- " l.nop\n" -- " l.swa %1, %3\n" -- " l.bnf 1b\n" -- " l.nop\n" -- "1: \n" -- : "=&r"(t), "+m"(*p) : "r"(t), "r"(s) : "cc", "memory" ); -- return t; --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- return (void *)a_cas(p, (int)t, (int)s); --} -- --static inline int a_swap(volatile int *x, int v) --{ -- int old; -- do old = *x; -- while (a_cas(x, old, v) != old); -- return old; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- int old; -- do old = *x; -- while (a_cas(x, old, old+v) != old); -- return old; --} -- --static inline void a_inc(volatile int *x) --{ -- a_fetch_add(x, 1); --} -- --static inline void a_dec(volatile int *x) --{ -- a_fetch_add(x, -1); --} -- --static inline void a_store(volatile int *p, int x) --{ -- a_swap(p, x); --} -- --#define a_spin a_barrier -- --static inline void a_barrier() --{ -- a_cas(&(int){0}, 0, 0); --} -- --static inline void a_crash() --{ -- *(volatile char *)0=0; --} -- --static inline void a_and(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (a_cas(p, old, old&v) != old); --} -- --static inline void a_or(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (a_cas(p, old, old|v) != old); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- a_or(p, v); --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_and((int *)p, u.r[0]); -- a_and((int *)p+1, u.r[1]); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_or((int *)p, u.r[0]); -- a_or((int *)p+1, u.r[1]); --} -- --#endif ---- /dev/null -+++ b/arch/or1k/atomic_arch.h -@@ -0,0 +1,14 @@ -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ __asm__("1: l.lwa %0, %1\n" -+ " l.sfeq %0, %2\n" -+ " l.bnf 1f\n" -+ " l.nop\n" -+ " l.swa %1, %3\n" -+ " l.bnf 1b\n" -+ " l.nop\n" -+ "1: \n" -+ : "=&r"(t), "+m"(*p) : "r"(t), "r"(s) : "cc", "memory" ); -+ return t; -+} ---- a/arch/or1k/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/or1k/bits/fcntl.h -+++ /dev/null -@@ -1,40 +0,0 @@ --#define O_CREAT 0100 --#define O_EXCL 0200 --#define O_NOCTTY 0400 --#define O_TRUNC 01000 --#define O_APPEND 02000 --#define O_NONBLOCK 04000 --#define O_DSYNC 010000 --#define O_SYNC 04010000 --#define O_RSYNC 04010000 --#define O_DIRECTORY 0200000 --#define O_NOFOLLOW 0400000 --#define O_CLOEXEC 02000000 -- --#define O_ASYNC 020000 --#define O_DIRECT 040000 --#define O_LARGEFILE 0100000 --#define O_NOATIME 01000000 --#define O_PATH 010000000 --#define O_TMPFILE 020200000 --#define O_NDELAY O_NONBLOCK -- --#define F_DUPFD 0 --#define F_GETFD 1 --#define F_SETFD 2 --#define F_GETFL 3 --#define F_SETFL 4 -- --#define F_SETOWN 8 --#define F_GETOWN 9 --#define F_SETSIG 10 --#define F_GETSIG 11 -- --#define F_GETLK 12 --#define F_SETLK 13 --#define F_SETLKW 14 -- --#define F_SETOWN_EX 15 --#define F_GETOWN_EX 16 -- --#define F_GETOWNER_UIDS 17 ---- a/arch/or1k/bits/fenv.h -+++ /dev/null -@@ -1,10 +0,0 @@ --#define FE_ALL_EXCEPT 0 --#define FE_TONEAREST 0 -- --typedef unsigned long fexcept_t; -- --typedef struct { -- unsigned long __cw; --} fenv_t; -- --#define FE_DFL_ENV ((const fenv_t *) -1) ---- a/arch/or1k/bits/ioctl.h -+++ /dev/null -@@ -1,197 +0,0 @@ --#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) ) --#define _IOC_NONE 0U --#define _IOC_WRITE 1U --#define _IOC_READ 2U -- --#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0) --#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c)) --#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c)) --#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c)) -- --#define TCGETS 0x5401 --#define TCSETS 0x5402 --#define TCSETSW 0x5403 --#define TCSETSF 0x5404 --#define TCGETA 0x5405 --#define TCSETA 0x5406 --#define TCSETAW 0x5407 --#define TCSETAF 0x5408 --#define TCSBRK 0x5409 --#define TCXONC 0x540A --#define TCFLSH 0x540B --#define TIOCEXCL 0x540C --#define TIOCNXCL 0x540D --#define TIOCSCTTY 0x540E --#define TIOCGPGRP 0x540F --#define TIOCSPGRP 0x5410 --#define TIOCOUTQ 0x5411 --#define TIOCSTI 0x5412 --#define TIOCGWINSZ 0x5413 --#define TIOCSWINSZ 0x5414 --#define TIOCMGET 0x5415 --#define TIOCMBIS 0x5416 --#define TIOCMBIC 0x5417 --#define TIOCMSET 0x5418 --#define TIOCGSOFTCAR 0x5419 --#define TIOCSSOFTCAR 0x541A --#define FIONREAD 0x541B --#define TIOCINQ FIONREAD --#define TIOCLINUX 0x541C --#define TIOCCONS 0x541D --#define TIOCGSERIAL 0x541E --#define TIOCSSERIAL 0x541F --#define TIOCPKT 0x5420 --#define FIONBIO 0x5421 --#define TIOCNOTTY 0x5422 --#define TIOCSETD 0x5423 --#define TIOCGETD 0x5424 --#define TCSBRKP 0x5425 --#define TIOCTTYGSTRUCT 0x5426 --#define TIOCSBRK 0x5427 --#define TIOCCBRK 0x5428 --#define TIOCGSID 0x5429 --#define TIOCGPTN 0x80045430 --#define TIOCSPTLCK 0x40045431 --#define TCGETX 0x5432 --#define TCSETX 0x5433 --#define TCSETXF 0x5434 --#define TCSETXW 0x5435 -- --#define FIONCLEX 0x5450 --#define FIOCLEX 0x5451 --#define FIOASYNC 0x5452 --#define TIOCSERCONFIG 0x5453 --#define TIOCSERGWILD 0x5454 --#define TIOCSERSWILD 0x5455 --#define TIOCGLCKTRMIOS 0x5456 --#define TIOCSLCKTRMIOS 0x5457 --#define TIOCSERGSTRUCT 0x5458 --#define TIOCSERGETLSR 0x5459 --#define TIOCSERGETMULTI 0x545A --#define TIOCSERSETMULTI 0x545B -- --#define TIOCMIWAIT 0x545C --#define TIOCGICOUNT 0x545D --#define TIOCGHAYESESP 0x545E --#define TIOCSHAYESESP 0x545F --#define FIOQSIZE 0x5460 -- --#define TIOCPKT_DATA 0 --#define TIOCPKT_FLUSHREAD 1 --#define TIOCPKT_FLUSHWRITE 2 --#define TIOCPKT_STOP 4 --#define TIOCPKT_START 8 --#define TIOCPKT_NOSTOP 16 --#define TIOCPKT_DOSTOP 32 --#define TIOCPKT_IOCTL 64 -- --#define TIOCSER_TEMT 0x01 -- --struct winsize { -- unsigned short ws_row; -- unsigned short ws_col; -- unsigned short ws_xpixel; -- unsigned short ws_ypixel; --}; -- --#define TIOCM_LE 0x001 --#define TIOCM_DTR 0x002 --#define TIOCM_RTS 0x004 --#define TIOCM_ST 0x008 --#define TIOCM_SR 0x010 --#define TIOCM_CTS 0x020 --#define TIOCM_CAR 0x040 --#define TIOCM_RNG 0x080 --#define TIOCM_DSR 0x100 --#define TIOCM_CD TIOCM_CAR --#define TIOCM_RI TIOCM_RNG --#define TIOCM_OUT1 0x2000 --#define TIOCM_OUT2 0x4000 --#define TIOCM_LOOP 0x8000 --#define TIOCM_MODEM_BITS TIOCM_OUT2 -- --#define N_TTY 0 --#define N_SLIP 1 --#define N_MOUSE 2 --#define N_PPP 3 --#define N_STRIP 4 --#define N_AX25 5 --#define N_X25 6 --#define N_6PACK 7 --#define N_MASC 8 --#define N_R3964 9 --#define N_PROFIBUS_FDL 10 --#define N_IRDA 11 --#define N_SMSBLOCK 12 --#define N_HDLC 13 --#define N_SYNC_PPP 14 --#define N_HCI 15 -- --#define FIOSETOWN 0x8901 --#define SIOCSPGRP 0x8902 --#define FIOGETOWN 0x8903 --#define SIOCGPGRP 0x8904 --#define SIOCATMARK 0x8905 --#define SIOCGSTAMP 0x8906 -- --#define SIOCADDRT 0x890B --#define SIOCDELRT 0x890C --#define SIOCRTMSG 0x890D -- --#define SIOCGIFNAME 0x8910 --#define SIOCSIFLINK 0x8911 --#define SIOCGIFCONF 0x8912 --#define SIOCGIFFLAGS 0x8913 --#define SIOCSIFFLAGS 0x8914 --#define SIOCGIFADDR 0x8915 --#define SIOCSIFADDR 0x8916 --#define SIOCGIFDSTADDR 0x8917 --#define SIOCSIFDSTADDR 0x8918 --#define SIOCGIFBRDADDR 0x8919 --#define SIOCSIFBRDADDR 0x891a --#define SIOCGIFNETMASK 0x891b --#define SIOCSIFNETMASK 0x891c --#define SIOCGIFMETRIC 0x891d --#define SIOCSIFMETRIC 0x891e --#define SIOCGIFMEM 0x891f --#define SIOCSIFMEM 0x8920 --#define SIOCGIFMTU 0x8921 --#define SIOCSIFMTU 0x8922 --#define SIOCSIFHWADDR 0x8924 --#define SIOCGIFENCAP 0x8925 --#define SIOCSIFENCAP 0x8926 --#define SIOCGIFHWADDR 0x8927 --#define SIOCGIFSLAVE 0x8929 --#define SIOCSIFSLAVE 0x8930 --#define SIOCADDMULTI 0x8931 --#define SIOCDELMULTI 0x8932 --#define SIOCGIFINDEX 0x8933 --#define SIOGIFINDEX SIOCGIFINDEX --#define SIOCSIFPFLAGS 0x8934 --#define SIOCGIFPFLAGS 0x8935 --#define SIOCDIFADDR 0x8936 --#define SIOCSIFHWBROADCAST 0x8937 --#define SIOCGIFCOUNT 0x8938 -- --#define SIOCGIFBR 0x8940 --#define SIOCSIFBR 0x8941 -- --#define SIOCGIFTXQLEN 0x8942 --#define SIOCSIFTXQLEN 0x8943 -- --#define SIOCDARP 0x8953 --#define SIOCGARP 0x8954 --#define SIOCSARP 0x8955 -- --#define SIOCDRARP 0x8960 --#define SIOCGRARP 0x8961 --#define SIOCSRARP 0x8962 -- --#define SIOCGIFMAP 0x8970 --#define SIOCSIFMAP 0x8971 -- --#define SIOCADDDLCI 0x8980 --#define SIOCDELDLCI 0x8981 -- --#define SIOCDEVPRIVATE 0x89F0 --#define SIOCPROTOPRIVATE 0x89E0 ---- a/arch/or1k/bits/mman.h -+++ b/arch/or1k/bits/mman.h -@@ -37,6 +37,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/or1k/bits/shm.h -+++ /dev/null -@@ -1,27 +0,0 @@ --#define SHMLBA 4096 -- --struct shmid_ds { -- struct ipc_perm shm_perm; -- size_t shm_segsz; -- time_t shm_atime; -- int __unused1; -- time_t shm_dtime; -- int __unused2; -- time_t shm_ctime; -- int __unused3; -- pid_t shm_cpid; -- pid_t shm_lpid; -- unsigned long shm_nattch; -- unsigned long __pad1; -- unsigned long __pad2; --}; -- --struct shminfo { -- unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4]; --}; -- --struct shm_info { -- int __used_ids; -- unsigned long shm_tot, shm_rss, shm_swp; -- unsigned long __swap_attempts, __swap_successes; --}; ---- a/arch/or1k/bits/socket.h -+++ /dev/null -@@ -1,15 +0,0 @@ --struct msghdr { -- void *msg_name; -- socklen_t msg_namelen; -- struct iovec *msg_iov; -- int msg_iovlen; -- void *msg_control; -- socklen_t msg_controllen; -- int msg_flags; --}; -- --struct cmsghdr { -- socklen_t cmsg_len; -- int cmsg_level; -- int cmsg_type; --}; ---- a/arch/or1k/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/or1k/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/or1k/bits/syscall.h -+++ b/arch/or1k/bits/syscall.h -@@ -265,6 +265,9 @@ - #define __NR_memfd_create 279 - #define __NR_bpf 280 - #define __NR_execveat 281 -+#define __NR_userfaultfd 282 -+#define __NR_membarrier 283 -+#define __NR_mlock2 284 - - #define SYS_io_setup __NR_io_setup - #define SYS_io_destroy __NR_io_destroy -@@ -533,3 +536,6 @@ - #define SYS_memfd_create __NR_memfd_create - #define SYS_bpf __NR_bpf - #define SYS_execveat __NR_execveat -+#define SYS_userfaultfd __NR_userfaultfd -+#define SYS_membarrier __NR_membarrier -+#define SYS_mlock2 __NR_mlock2 ---- a/arch/or1k/bits/termios.h -+++ /dev/null -@@ -1,159 +0,0 @@ --struct termios { -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/or1k/pthread_arch.h -+++ b/arch/or1k/pthread_arch.h -@@ -14,5 +14,4 @@ static inline struct pthread *__pthread_ - #define TLS_ABOVE_TP - #define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread)) - --/* word-offset to 'pc' in mcontext_t */ --#define CANCEL_REG_IP 32 -+#define MC_PC regs.pc ---- a/arch/powerpc/atomic.h -+++ /dev/null -@@ -1,126 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> --#include <endian.h> -- --static inline int a_ctz_l(unsigned long x) --{ -- static const char debruijn32[32] = { -- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -- }; -- return debruijn32[(x&-x)*0x076be629 >> 27]; --} -- --static inline int a_ctz_64(uint64_t x) --{ -- uint32_t y = x; -- if (!y) { -- y = x>>32; -- return 32 + a_ctz_l(y); -- } -- return a_ctz_l(y); --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- __asm__("\n" -- " sync\n" -- "1: lwarx %0, 0, %4\n" -- " cmpw %0, %2\n" -- " bne 1f\n" -- " stwcx. %3, 0, %4\n" -- " bne- 1b\n" -- " isync\n" -- "1: \n" -- : "=&r"(t), "+m"(*p) : "r"(t), "r"(s), "r"(p) : "cc", "memory" ); -- return t; --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- return (void *)a_cas(p, (int)t, (int)s); --} -- --static inline int a_swap(volatile int *x, int v) --{ -- int old; -- do old = *x; -- while (a_cas(x, old, v) != old); -- return old; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- int old; -- do old = *x; -- while (a_cas(x, old, old+v) != old); -- return old; --} -- --static inline void a_inc(volatile int *x) --{ -- a_fetch_add(x, 1); --} -- --static inline void a_dec(volatile int *x) --{ -- a_fetch_add(x, -1); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__ __volatile__ ("\n" -- " sync\n" -- " stw %1, %0\n" -- " isync\n" -- : "=m"(*p) : "r"(x) : "memory" ); --} -- --#define a_spin a_barrier -- --static inline void a_barrier() --{ -- a_cas(&(int){0}, 0, 0); --} -- --static inline void a_crash() --{ -- *(volatile char *)0=0; --} -- --static inline void a_and(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (a_cas(p, old, old&v) != old); --} -- --static inline void a_or(volatile int *p, int v) --{ -- int old; -- do old = *p; -- while (a_cas(p, old, old|v) != old); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- a_or(p, v); --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_and((int *)p, u.r[0]); -- a_and((int *)p+1, u.r[1]); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_or((int *)p, u.r[0]); -- a_or((int *)p+1, u.r[1]); --} -- --#endif ---- /dev/null -+++ b/arch/powerpc/atomic_arch.h -@@ -0,0 +1,39 @@ -+#define a_ll a_ll -+static inline int a_ll(volatile int *p) -+{ -+ int v; -+ __asm__ __volatile__ ("lwarx %0, 0, %2" : "=r"(v) : "m"(*p), "r"(p)); -+ return v; -+} -+ -+#define a_sc a_sc -+static inline int a_sc(volatile int *p, int v) -+{ -+ int r; -+ __asm__ __volatile__ ( -+ "stwcx. %2, 0, %3 ; mfcr %0" -+ : "=r"(r), "=m"(*p) : "r"(v), "r"(p) : "memory", "cc"); -+ return r & 0x20000000; /* "bit 2" of "cr0" (backwards bit order) */ -+} -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__ ("sync" : : : "memory"); -+} -+ -+#define a_pre_llsc a_barrier -+ -+#define a_post_llsc a_post_llsc -+static inline void a_post_llsc() -+{ -+ __asm__ __volatile__ ("isync" : : : "memory"); -+} -+ -+#define a_store a_store -+static inline void a_store(volatile int *p, int v) -+{ -+ a_pre_llsc(); -+ *p = v; -+ a_post_llsc(); -+} ---- a/arch/powerpc/bits/mman.h -+++ b/arch/powerpc/bits/mman.h -@@ -4,6 +4,7 @@ - #define PROT_READ 1 - #define PROT_WRITE 2 - #define PROT_EXEC 4 -+#define PROT_SAO 0x10 - #define PROT_GROWSDOWN 0x01000000 - #define PROT_GROWSUP 0x02000000 - -@@ -35,8 +36,9 @@ - #define MS_INVALIDATE 2 - #define MS_SYNC 4 - --#define MCL_CURRENT 1 --#define MCL_FUTURE 2 -+#define MCL_CURRENT 0x2000 -+#define MCL_FUTURE 0x4000 -+#define MCL_ONFAULT 0x8000 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/powerpc/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/powerpc/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/powerpc/bits/syscall.h -+++ b/arch/powerpc/bits/syscall.h -@@ -194,23 +194,19 @@ - #define __NR_vfork 189 - #define __NR_ugetrlimit 190 - #define __NR_readahead 191 --#if !defined(__PPC64) || defined(__ABI32) - #define __NR_mmap2 192 - #define __NR_truncate64 193 - #define __NR_ftruncate64 194 - #define __NR_stat64 195 - #define __NR_lstat64 196 - #define __NR_fstat64 197 --#endif - #define __NR_pciconfig_read 198 - #define __NR_pciconfig_write 199 - #define __NR_pciconfig_iobase 200 - #define __NR_multiplexer 201 - #define __NR_getdents64 202 - #define __NR_pivot_root 203 --#if !defined(__PPC64) || defined(__ABI32) - #define __NR_fcntl64 204 --#endif - #define __NR_madvise 205 - #define __NR_mincore 206 - #define __NR_gettid 207 -@@ -231,9 +227,7 @@ - #define __NR_sched_setaffinity 222 - #define __NR_sched_getaffinity 223 - #define __NR_tuxcall 225 --#if !defined(__PPC64) || defined(__ABI32) - #define __NR_sendfile64 226 --#endif - #define __NR_io_setup 227 - #define __NR_io_destroy 228 - #define __NR_io_getevents 229 -@@ -261,9 +255,7 @@ - #define __NR_utimes 251 - #define __NR_statfs64 252 - #define __NR_fstatfs64 253 --#if !defined(__PPC64) || defined(__ABI32) - #define __NR_fadvise64_64 254 --#endif - #define __NR_rtas 255 - #define __NR_sys_debug_setcontext 256 - #define __NR_migrate_pages 258 -@@ -299,11 +291,7 @@ - #define __NR_mknodat 288 - #define __NR_fchownat 289 - #define __NR_futimesat 290 --#if defined(__PPC64) && !defined(__ABI32) --#define __NR_newfstatat 291 --#else - #define __NR_fstatat64 291 --#endif - #define __NR_unlinkat 292 - #define __NR_renameat 293 - #define __NR_linkat 294 -@@ -376,6 +364,10 @@ - #define __NR_memfd_create 360 - #define __NR_bpf 361 - #define __NR_execveat 362 -+#define __NR_switch_endian 363 -+#define __NR_userfaultfd 364 -+#define __NR_membarrier 365 -+#define __NR_mlock2 378 - - /* - * repeated with SYS prefix -@@ -576,23 +568,19 @@ - #define SYS_vfork 189 - #define SYS_ugetrlimit 190 - #define SYS_readahead 191 --#if !defined(__PPC64) || defined(__ABI32) - #define SYS_mmap2 192 - #define SYS_truncate64 193 - #define SYS_ftruncate64 194 - #define SYS_stat64 195 - #define SYS_lstat64 196 - #define SYS_fstat64 197 --#endif - #define SYS_pciconfig_read 198 - #define SYS_pciconfig_write 199 - #define SYS_pciconfig_iobase 200 - #define SYS_multiplexer 201 - #define SYS_getdents64 202 - #define SYS_pivot_root 203 --#if !defined(__PPC64) || defined(__ABI32) - #define SYS_fcntl64 204 --#endif - #define SYS_madvise 205 - #define SYS_mincore 206 - #define SYS_gettid 207 -@@ -613,9 +601,7 @@ - #define SYS_sched_setaffinity 222 - #define SYS_sched_getaffinity 223 - #define SYS_tuxcall 225 --#if !defined(__PPC64) || defined(__ABI32) - #define SYS_sendfile64 226 --#endif - #define SYS_io_setup 227 - #define SYS_io_destroy 228 - #define SYS_io_getevents 229 -@@ -643,9 +629,7 @@ - #define SYS_utimes 251 - #define SYS_statfs64 252 - #define SYS_fstatfs64 253 --#if !defined(__PPC64) || defined(__ABI32) - #define SYS_fadvise64_64 254 --#endif - #define SYS_rtas 255 - #define SYS_sys_debug_setcontext 256 - #define SYS_migrate_pages 258 -@@ -681,11 +665,7 @@ - #define SYS_mknodat 288 - #define SYS_fchownat 289 - #define SYS_futimesat 290 --#if defined(__PPC64) && !defined(__ABI32) --#define SYS_newfstatat 291 --#else - #define SYS_fstatat64 291 --#endif - #define SYS_unlinkat 292 - #define SYS_renameat 293 - #define SYS_linkat 294 -@@ -758,3 +738,7 @@ - #define SYS_memfd_create 360 - #define SYS_bpf 361 - #define SYS_execveat 362 -+#define SYS_switch_endian 363 -+#define SYS_userfaultfd 364 -+#define SYS_membarrier 365 -+#define SYS_mlock2 378 ---- a/arch/powerpc/pthread_arch.h -+++ b/arch/powerpc/pthread_arch.h -@@ -15,9 +15,8 @@ static inline struct pthread *__pthread_ - - #define DTP_OFFSET 0x8000 - --// offset of the PC register in mcontext_t, divided by the system wordsize - // the kernel calls the ip "nip", it's the first saved value after the 32 - // GPRs. --#define CANCEL_REG_IP 32 -+#define MC_PC gregs[32] - - #define CANARY canary_at_end ---- a/arch/sh/atomic.h -+++ /dev/null -@@ -1,168 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_l(unsigned long x) --{ -- static const char debruijn32[32] = { -- 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -- 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -- }; -- return debruijn32[(x&-x)*0x076be629 >> 27]; --} -- --static inline int a_ctz_64(uint64_t x) --{ -- uint32_t y = x; -- if (!y) { -- y = x>>32; -- return 32 + a_ctz_l(y); -- } -- return a_ctz_l(y); --} -- --#define LLSC_CLOBBERS "r0", "t", "memory" --#define LLSC_START(mem) "synco\n" \ -- "0: movli.l @" mem ", r0\n" --#define LLSC_END(mem) \ -- "1: movco.l r0, @" mem "\n" \ -- " bf 0b\n" \ -- " synco\n" -- --static inline int __sh_cas_llsc(volatile int *p, int t, int s) --{ -- int old; -- __asm__ __volatile__( -- LLSC_START("%1") -- " mov r0, %0\n" -- " cmp/eq %0, %2\n" -- " bf 1f\n" -- " mov %3, r0\n" -- LLSC_END("%1") -- : "=&r"(old) : "r"(p), "r"(t), "r"(s) : LLSC_CLOBBERS); -- return old; --} -- --static inline int __sh_swap_llsc(volatile int *x, int v) --{ -- int old; -- __asm__ __volatile__( -- LLSC_START("%1") -- " mov r0, %0\n" -- " mov %2, r0\n" -- LLSC_END("%1") -- : "=&r"(old) : "r"(x), "r"(v) : LLSC_CLOBBERS); -- return old; --} -- --static inline int __sh_fetch_add_llsc(volatile int *x, int v) --{ -- int old; -- __asm__ __volatile__( -- LLSC_START("%1") -- " mov r0, %0\n" -- " add %2, r0\n" -- LLSC_END("%1") -- : "=&r"(old) : "r"(x), "r"(v) : LLSC_CLOBBERS); -- return old; --} -- --static inline void __sh_store_llsc(volatile int *p, int x) --{ -- __asm__ __volatile__( -- " synco\n" -- " mov.l %1, @%0\n" -- " synco\n" -- : : "r"(p), "r"(x) : "memory"); --} -- --static inline void __sh_and_llsc(volatile int *x, int v) --{ -- __asm__ __volatile__( -- LLSC_START("%0") -- " and %1, r0\n" -- LLSC_END("%0") -- : : "r"(x), "r"(v) : LLSC_CLOBBERS); --} -- --static inline void __sh_or_llsc(volatile int *x, int v) --{ -- __asm__ __volatile__( -- LLSC_START("%0") -- " or %1, r0\n" -- LLSC_END("%0") -- : : "r"(x), "r"(v) : LLSC_CLOBBERS); --} -- --#ifdef __SH4A__ --#define a_cas(p,t,s) __sh_cas_llsc(p,t,s) --#define a_swap(x,v) __sh_swap_llsc(x,v) --#define a_fetch_add(x,v) __sh_fetch_add_llsc(x, v) --#define a_store(x,v) __sh_store_llsc(x, v) --#define a_and(x,v) __sh_and_llsc(x, v) --#define a_or(x,v) __sh_or_llsc(x, v) --#else -- --int __sh_cas(volatile int *, int, int); --int __sh_swap(volatile int *, int); --int __sh_fetch_add(volatile int *, int); --void __sh_store(volatile int *, int); --void __sh_and(volatile int *, int); --void __sh_or(volatile int *, int); -- --#define a_cas(p,t,s) __sh_cas(p,t,s) --#define a_swap(x,v) __sh_swap(x,v) --#define a_fetch_add(x,v) __sh_fetch_add(x, v) --#define a_store(x,v) __sh_store(x, v) --#define a_and(x,v) __sh_and(x, v) --#define a_or(x,v) __sh_or(x, v) --#endif -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- return (void *)a_cas(p, (int)t, (int)s); --} -- --static inline void a_inc(volatile int *x) --{ -- a_fetch_add(x, 1); --} -- --static inline void a_dec(volatile int *x) --{ -- a_fetch_add(x, -1); --} -- --#define a_spin a_barrier -- --static inline void a_barrier() --{ -- a_cas(&(int){0}, 0, 0); --} -- --static inline void a_crash() --{ -- *(volatile char *)0=0; --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- a_or(p, v); --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_and((int *)p, u.r[0]); -- a_and((int *)p+1, u.r[1]); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- union { uint64_t v; uint32_t r[2]; } u = { v }; -- a_or((int *)p, u.r[0]); -- a_or((int *)p+1, u.r[1]); --} -- --#endif ---- /dev/null -+++ b/arch/sh/atomic_arch.h -@@ -0,0 +1,46 @@ -+#if defined(__SH4A__) -+ -+#define a_ll a_ll -+static inline int a_ll(volatile int *p) -+{ -+ int v; -+ __asm__ __volatile__ ("movli.l @%1, %0" : "=z"(v) : "r"(p), "m"(*p)); -+ return v; -+} -+ -+#define a_sc a_sc -+static inline int a_sc(volatile int *p, int v) -+{ -+ int r; -+ __asm__ __volatile__ ( -+ "movco.l %2, @%3 ; movt %0" -+ : "=r"(r), "=m"(*p) : "z"(v), "r"(p) : "memory", "cc"); -+ return r; -+} -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__ ("synco" : : "memory"); -+} -+ -+#define a_pre_llsc a_barrier -+#define a_post_llsc a_barrier -+ -+#else -+ -+#define a_cas a_cas -+__attribute__((__visibility__("hidden"))) extern const void *__sh_cas_ptr; -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ register int r1 __asm__("r1"); -+ register int r2 __asm__("r2") = t; -+ register int r3 __asm__("r3") = s; -+ __asm__ __volatile__ ( -+ "jsr @%4 ; nop" -+ : "=r"(r1), "+r"(r3) : "z"(p), "r"(r2), "r"(__sh_cas_ptr) -+ : "memory", "pr", "cc"); -+ return r3; -+} -+ -+#endif ---- a/arch/sh/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/sh/bits/fcntl.h -+++ /dev/null -@@ -1,40 +0,0 @@ --#define O_CREAT 0100 --#define O_EXCL 0200 --#define O_NOCTTY 0400 --#define O_TRUNC 01000 --#define O_APPEND 02000 --#define O_NONBLOCK 04000 --#define O_DSYNC 010000 --#define O_SYNC 04010000 --#define O_RSYNC 04010000 --#define O_DIRECTORY 0200000 --#define O_NOFOLLOW 0400000 --#define O_CLOEXEC 02000000 -- --#define O_ASYNC 020000 --#define O_DIRECT 040000 --#define O_LARGEFILE 0100000 --#define O_NOATIME 01000000 --#define O_PATH 010000000 --#define O_TMPFILE 020200000 --#define O_NDELAY O_NONBLOCK -- --#define F_DUPFD 0 --#define F_GETFD 1 --#define F_SETFD 2 --#define F_GETFL 3 --#define F_SETFL 4 -- --#define F_SETOWN 8 --#define F_GETOWN 9 --#define F_SETSIG 10 --#define F_GETSIG 11 -- --#define F_GETLK 12 --#define F_SETLK 13 --#define F_SETLKW 14 -- --#define F_SETOWN_EX 15 --#define F_GETOWN_EX 16 -- --#define F_GETOWNER_UIDS 17 ---- a/arch/sh/bits/ipc.h -+++ /dev/null -@@ -1,14 +0,0 @@ --struct ipc_perm --{ -- key_t __ipc_perm_key; -- uid_t uid; -- gid_t gid; -- uid_t cuid; -- gid_t cgid; -- mode_t mode; -- int __ipc_perm_seq; -- long __pad1; -- long __pad2; --}; -- --#define IPC_64 0x100 ---- a/arch/sh/bits/mman.h -+++ b/arch/sh/bits/mman.h -@@ -38,6 +38,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/sh/bits/msg.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct msqid_ds --{ -- struct ipc_perm msg_perm; -- time_t msg_stime; -- int __unused1; -- time_t msg_rtime; -- int __unused2; -- time_t msg_ctime; -- int __unused3; -- unsigned long msg_cbytes; -- msgqnum_t msg_qnum; -- msglen_t msg_qbytes; -- pid_t msg_lspid; -- pid_t msg_lrpid; -- unsigned long __unused[2]; --}; ---- a/arch/sh/bits/sem.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct semid_ds { -- struct ipc_perm sem_perm; -- time_t sem_otime; -- time_t __unused1; -- time_t sem_ctime; -- time_t __unused2; --#if __BYTE_ORDER == __LITTLE_ENDIAN -- unsigned short sem_nsems; -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; --#else -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -- unsigned short sem_nsems; --#endif -- time_t __unused3; -- time_t __unused4; --}; ---- a/arch/sh/bits/socket.h -+++ /dev/null -@@ -1,17 +0,0 @@ --struct msghdr --{ -- void *msg_name; -- socklen_t msg_namelen; -- struct iovec *msg_iov; -- int msg_iovlen; -- void *msg_control; -- socklen_t msg_controllen; -- int msg_flags; --}; -- --struct cmsghdr --{ -- socklen_t cmsg_len; -- int cmsg_level; -- int cmsg_type; --}; ---- a/arch/sh/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/sh/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/sh/bits/termios.h -+++ /dev/null -@@ -1,160 +0,0 @@ --struct termios --{ -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/sh/crt_arch.h -+++ b/arch/sh/crt_arch.h -@@ -22,7 +22,8 @@ START ": \n" - " mov.l 1f, r5 \n" - " mov.l 1f+4, r6 \n" - " add r0, r5 \n" --" bsr __fdpic_fixup \n" -+" mov.l 4f, r1 \n" -+"5: bsrf r1 \n" - " add r0, r6 \n" - " mov r0, r12 \n" - #endif -@@ -31,11 +32,16 @@ START ": \n" - " mov.l r9, @-r15 \n" - " mov.l r8, @-r15 \n" - " mov #-16, r0 \n" --" bsr " START "_c \n" -+" mov.l 2f, r1 \n" -+"3: bsrf r1 \n" - " and r0, r15 \n" - ".align 2 \n" - "1: .long __ROFIXUP_LIST__@PCREL \n" - " .long __ROFIXUP_END__@PCREL + 4 \n" -+"2: .long " START "_c@PCREL - (3b+4-.) \n" -+#ifndef SHARED -+"4: .long __fdpic_fixup@PCREL - (5b+4-.) \n" -+#endif - ); - - #ifndef SHARED -@@ -53,13 +59,14 @@ START ": \n" - " add r0, r5 \n" - " mov r15, r4 \n" - " mov #-16, r0 \n" --" and r0, r15 \n" --" bsr " START "_c \n" --" nop \n" -+" mov.l 2f, r1 \n" -+"3: bsrf r1 \n" -+" and r0, r15 \n" - ".align 2 \n" - ".weak _DYNAMIC \n" - ".hidden _DYNAMIC \n" - "1: .long _DYNAMIC-. \n" -+"2: .long " START "_c@PCREL - (3b+4-.) \n" - ); - - #endif ---- a/arch/sh/pthread_arch.h -+++ b/arch/sh/pthread_arch.h -@@ -8,4 +8,4 @@ static inline struct pthread *__pthread_ - #define TLS_ABOVE_TP - #define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 8) - --#define CANCEL_REG_IP 17 -+#define MC_PC sc_pc ---- a/arch/sh/reloc.h -+++ b/arch/sh/reloc.h -@@ -32,6 +32,8 @@ - #define REL_DTPOFF R_SH_TLS_DTPOFF32 - #define REL_TPOFF R_SH_TLS_TPOFF32 - -+#define DL_NOMMU_SUPPORT 1 -+ - #if __SH_FDPIC__ - #define REL_FUNCDESC R_SH_FUNCDESC - #define REL_FUNCDESC_VAL R_SH_FUNCDESC_VALUE ---- a/arch/sh/src/__fpscr_values.c -+++ /dev/null -@@ -1,5 +0,0 @@ --#include "libc.h" -- --/* used by gcc for switching the FPU between single and double precision */ --//const unsigned long __fpscr_values[2] ATTR_LIBC_VISIBILITY = { 0, 0x80000 }; -- ---- a/arch/sh/src/__set_thread_area.c -+++ /dev/null -@@ -1,34 +0,0 @@ --#include "pthread_impl.h" --#include "libc.h" --#include "sh_atomic.h" --#include <elf.h> -- --/* Also perform sh-specific init */ -- --#define CPU_HAS_LLSC 0x0040 -- --__attribute__((__visibility__("hidden"))) unsigned __sh_atomic_model, __sh_nommu; -- --int __set_thread_area(void *p) --{ -- size_t *aux; -- __asm__ __volatile__ ( "ldc %0, gbr" : : "r"(p) : "memory" ); --#ifndef __SH4A__ -- if (__hwcap & CPU_HAS_LLSC) { -- __sh_atomic_model = SH_A_LLSC; -- return 0; -- } --#if !defined(__SH3__) && !defined(__SH4__) -- for (aux=libc.auxv; *aux; aux+=2) { -- if (*aux != AT_PLATFORM) continue; -- const char *s = (void *)aux[1]; -- if (s[0]!='s' || s[1]!='h' || s[2]!='2' || s[3]-'0'<10u) break; -- __sh_atomic_model = SH_A_IMASK; -- __sh_nommu = 1; -- return 0; -- } --#endif -- /* __sh_atomic_model = SH_A_GUSA; */ /* 0, default */ --#endif -- return 0; --} ---- a/arch/sh/src/__shcall.c -+++ /dev/null -@@ -1,5 +0,0 @@ --__attribute__((__visibility__("hidden"))) --int __shcall(void *arg, int (*func)(void *)) --{ -- return func(arg); --} ---- a/arch/sh/src/__unmapself.c -+++ /dev/null -@@ -1,24 +0,0 @@ --#include "pthread_impl.h" -- --void __unmapself_sh_mmu(void *, size_t); --void __unmapself_sh_nommu(void *, size_t); -- --#if !defined(__SH3__) && !defined(__SH4__) --#define __unmapself __unmapself_sh_nommu --#include "dynlink.h" --#undef CRTJMP --#define CRTJMP(pc,sp) __asm__ __volatile__( \ -- "mov.l @%0+,r0 ; mov.l @%0,r12 ; jmp @r0 ; mov %1,r15" \ -- : : "r"(pc), "r"(sp) : "r0", "memory" ) --#include "../../../src/thread/__unmapself.c" --#undef __unmapself --extern __attribute__((__visibility__("hidden"))) unsigned __sh_nommu; --#else --#define __sh_nommu 0 --#endif -- --void __unmapself(void *base, size_t size) --{ -- if (__sh_nommu) __unmapself_sh_nommu(base, size); -- else __unmapself_sh_mmu(base, size); --} ---- a/arch/sh/src/atomic.c -+++ /dev/null -@@ -1,158 +0,0 @@ --#ifndef __SH4A__ -- --#include "sh_atomic.h" --#include "atomic.h" --#include "libc.h" -- --static inline unsigned mask() --{ -- unsigned sr; -- __asm__ __volatile__ ( "\n" -- " stc sr,r0 \n" -- " mov r0,%0 \n" -- " or #0xf0,r0 \n" -- " ldc r0,sr \n" -- : "=&r"(sr) : : "memory", "r0" ); -- return sr; --} -- --static inline void unmask(unsigned sr) --{ -- __asm__ __volatile__ ( "ldc %0,sr" : : "r"(sr) : "memory" ); --} -- --/* gusa is a hack in the kernel which lets you create a sequence of instructions -- * which will be restarted if the process is preempted in the middle of the -- * sequence. It will do for implementing atomics on non-smp systems. ABI is: -- * r0 = address of first instruction after the atomic sequence -- * r1 = original stack pointer -- * r15 = -1 * length of atomic sequence in bytes -- */ --#define GUSA_CLOBBERS "r0", "r1", "memory" --#define GUSA_START(mem,old,nop) \ -- " .align 2\n" \ -- " mova 1f, r0\n" \ -- nop \ -- " mov r15, r1\n" \ -- " mov #(0f-1f), r15\n" \ -- "0: mov.l @" mem ", " old "\n" --/* the target of mova must be 4 byte aligned, so we may need a nop */ --#define GUSA_START_ODD(mem,old) GUSA_START(mem,old,"") --#define GUSA_START_EVEN(mem,old) GUSA_START(mem,old,"\tnop\n") --#define GUSA_END(mem,new) \ -- " mov.l " new ", @" mem "\n" \ -- "1: mov r1, r15\n" -- --int __sh_cas(volatile int *p, int t, int s) --{ -- if (__sh_atomic_model == SH_A_LLSC) return __sh_cas_llsc(p, t, s); -- -- if (__sh_atomic_model == SH_A_IMASK) { -- unsigned sr = mask(); -- int old = *p; -- if (old==t) *p = s; -- unmask(sr); -- return old; -- } -- -- int old; -- __asm__ __volatile__( -- GUSA_START_EVEN("%1", "%0") -- " cmp/eq %0, %2\n" -- " bf 1f\n" -- GUSA_END("%1", "%3") -- : "=&r"(old) : "r"(p), "r"(t), "r"(s) : GUSA_CLOBBERS, "t"); -- return old; --} -- --int __sh_swap(volatile int *x, int v) --{ -- if (__sh_atomic_model == SH_A_LLSC) return __sh_swap_llsc(x, v); -- -- if (__sh_atomic_model == SH_A_IMASK) { -- unsigned sr = mask(); -- int old = *x; -- *x = v; -- unmask(sr); -- return old; -- } -- -- int old; -- __asm__ __volatile__( -- GUSA_START_EVEN("%1", "%0") -- GUSA_END("%1", "%2") -- : "=&r"(old) : "r"(x), "r"(v) : GUSA_CLOBBERS); -- return old; --} -- --int __sh_fetch_add(volatile int *x, int v) --{ -- if (__sh_atomic_model == SH_A_LLSC) return __sh_fetch_add_llsc(x, v); -- -- if (__sh_atomic_model == SH_A_IMASK) { -- unsigned sr = mask(); -- int old = *x; -- *x = old + v; -- unmask(sr); -- return old; -- } -- -- int old, dummy; -- __asm__ __volatile__( -- GUSA_START_EVEN("%2", "%0") -- " mov %0, %1\n" -- " add %3, %1\n" -- GUSA_END("%2", "%1") -- : "=&r"(old), "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS); -- return old; --} -- --void __sh_store(volatile int *p, int x) --{ -- if (__sh_atomic_model == SH_A_LLSC) return __sh_store_llsc(p, x); -- __asm__ __volatile__( -- " mov.l %1, @%0\n" -- : : "r"(p), "r"(x) : "memory"); --} -- --void __sh_and(volatile int *x, int v) --{ -- if (__sh_atomic_model == SH_A_LLSC) return __sh_and_llsc(x, v); -- -- if (__sh_atomic_model == SH_A_IMASK) { -- unsigned sr = mask(); -- int old = *x; -- *x = old & v; -- unmask(sr); -- return; -- } -- -- int dummy; -- __asm__ __volatile__( -- GUSA_START_ODD("%1", "%0") -- " and %2, %0\n" -- GUSA_END("%1", "%0") -- : "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS); --} -- --void __sh_or(volatile int *x, int v) --{ -- if (__sh_atomic_model == SH_A_LLSC) return __sh_or_llsc(x, v); -- -- if (__sh_atomic_model == SH_A_IMASK) { -- unsigned sr = mask(); -- int old = *x; -- *x = old | v; -- unmask(sr); -- return; -- } -- -- int dummy; -- __asm__ __volatile__( -- GUSA_START_ODD("%1", "%0") -- " or %2, %0\n" -- GUSA_END("%1", "%0") -- : "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS); --} -- --#endif ---- a/arch/sh/src/sh_atomic.h -+++ /dev/null -@@ -1,15 +0,0 @@ --#ifndef _SH_ATOMIC_H --#define _SH_ATOMIC_H -- --#define SH_A_GUSA 0 --#define SH_A_LLSC 1 --#define SH_A_CAS 2 --#if !defined(__SH3__) && !defined(__SH4__) --#define SH_A_IMASK 3 --#else --#define SH_A_IMASK -1LL /* unmatchable by unsigned int */ --#endif -- --extern __attribute__((__visibility__("hidden"))) unsigned __sh_atomic_model; -- --#endif ---- a/arch/x32/atomic.h -+++ /dev/null -@@ -1,105 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_64(uint64_t x) --{ -- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) ); -- return x; --} -- --static inline int a_ctz_l(unsigned long x) --{ -- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) ); -- return x; --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- __asm__( "lock ; and %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- __asm__( "lock ; or %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- __asm__( "lock ; or %1, %0" -- : "=m"(*(long *)p) : "r"(v) : "memory" ); --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- __asm__( "lock ; cmpxchg %3, %1" -- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" ); -- return t; --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- __asm__( "lock ; cmpxchg %3, %1" -- : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" ); -- return t; --} -- --static inline void a_or(volatile int *p, int v) --{ -- __asm__( "lock ; or %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_and(volatile int *p, int v) --{ -- __asm__( "lock ; and %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline int a_swap(volatile int *x, int v) --{ -- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" ); -- return v; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- __asm__( "lock ; xadd %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" ); -- return v; --} -- --static inline void a_inc(volatile int *x) --{ -- __asm__( "lock ; incl %0" : "=m"(*x) : "m"(*x) : "memory" ); --} -- --static inline void a_dec(volatile int *x) --{ -- __asm__( "lock ; decl %0" : "=m"(*x) : "m"(*x) : "memory" ); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__( "mov %1, %0 ; lock ; orl $0,(%%rsp)" : "=m"(*p) : "r"(x) : "memory" ); --} -- --static inline void a_spin() --{ -- __asm__ __volatile__( "pause" : : : "memory" ); --} -- --static inline void a_barrier() --{ -- __asm__ __volatile__( "" : : : "memory" ); --} -- --static inline void a_crash() --{ -- __asm__ __volatile__( "hlt" : : : "memory" ); --} -- -- --#endif ---- /dev/null -+++ b/arch/x32/atomic_arch.h -@@ -0,0 +1,114 @@ -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ __asm__ __volatile__ ( -+ "lock ; cmpxchg %3, %1" -+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" ); -+ return t; -+} -+ -+#define a_swap a_swap -+static inline int a_swap(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "xchg %0, %1" -+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); -+ return v; -+} -+ -+#define a_fetch_add a_fetch_add -+static inline int a_fetch_add(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; xadd %0, %1" -+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); -+ return v; -+} -+ -+#define a_and a_and -+static inline void a_and(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; and %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_or a_or -+static inline void a_or(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; or %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_and_64 a_and_64 -+static inline void a_and_64(volatile uint64_t *p, uint64_t v) -+{ -+ __asm__ __volatile( -+ "lock ; and %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_or_64 a_or_64 -+static inline void a_or_64(volatile uint64_t *p, uint64_t v) -+{ -+ __asm__ __volatile__( -+ "lock ; or %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_inc a_inc -+static inline void a_inc(volatile int *p) -+{ -+ __asm__ __volatile__( -+ "lock ; incl %0" -+ : "=m"(*p) : "m"(*p) : "memory" ); -+} -+ -+#define a_dec a_dec -+static inline void a_dec(volatile int *p) -+{ -+ __asm__ __volatile__( -+ "lock ; decl %0" -+ : "=m"(*p) : "m"(*p) : "memory" ); -+} -+ -+#define a_store a_store -+static inline void a_store(volatile int *p, int x) -+{ -+ __asm__ __volatile__( -+ "mov %1, %0 ; lock ; orl $0,(%%rsp)" -+ : "=m"(*p) : "r"(x) : "memory" ); -+} -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__( "" : : : "memory" ); -+} -+ -+#define a_pause a_pause -+static inline void a_spin() -+{ -+ __asm__ __volatile__( "pause" : : : "memory" ); -+} -+ -+#define a_crash a_crash -+static inline void a_crash() -+{ -+ __asm__ __volatile__( "hlt" : : : "memory" ); -+} -+ -+#define a_ctz_64 a_ctz_64 -+static inline int a_ctz_64(uint64_t x) -+{ -+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) ); -+ return x; -+} -+ -+#define a_ctz_l a_ctz_l -+static inline int a_ctz_l(unsigned long x) -+{ -+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) ); -+ return x; -+} ---- a/arch/x32/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/x32/bits/mman.h -+++ b/arch/x32/bits/mman.h -@@ -38,6 +38,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/x32/bits/sem.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct semid_ds { -- struct ipc_perm sem_perm; -- time_t sem_otime; -- time_t __unused1; -- time_t sem_ctime; -- time_t __unused2; --#if __BYTE_ORDER == __LITTLE_ENDIAN -- unsigned short sem_nsems; -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; --#else -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -- unsigned short sem_nsems; --#endif -- time_t __unused3; -- time_t __unused4; --}; ---- a/arch/x32/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/x32/bits/syscall.h -+++ b/arch/x32/bits/syscall.h -@@ -277,6 +277,9 @@ - #define __NR_memfd_create (__X32_SYSCALL_BIT + 319) - #define __NR_kexec_file_load (__X32_SYSCALL_BIT + 320) - #define __NR_bpf (__X32_SYSCALL_BIT + 321) -+#define __NR_userfaultfd (__X32_SYSCALL_BIT + 323) -+#define __NR_membarrier (__X32_SYSCALL_BIT + 324) -+#define __NR_mlock2 (__X32_SYSCALL_BIT + 325) - - #define __NR_rt_sigaction (__X32_SYSCALL_BIT + 512) - #define __NR_rt_sigreturn (__X32_SYSCALL_BIT + 513) -@@ -607,6 +610,9 @@ - #define SYS_memfd_create __NR_memfd_create - #define SYS_kexec_file_load __NR_kexec_file_load - #define SYS_bpf __NR_bpf -+#define SYS_userfaultfd __NR_userfaultfd -+#define SYS_membarrier __NR_membarrier -+#define SYS_mlock2 __NR_mlock2 - - - #define SYS_rt_sigaction __NR_rt_sigaction ---- a/arch/x32/bits/termios.h -+++ /dev/null -@@ -1,160 +0,0 @@ --struct termios --{ -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/x32/pthread_arch.h -+++ b/arch/x32/pthread_arch.h -@@ -7,6 +7,6 @@ static inline struct pthread *__pthread_ - - #define TP_ADJ(p) (p) - --#define CANCEL_REG_IP 32 -+#define MC_PC gregs[REG_RIP] - - #define CANARY canary2 ---- a/arch/x32/src/syscall_cp_fixup.c -+++ /dev/null -@@ -1,42 +0,0 @@ --#include <sys/syscall.h> -- --#ifdef SHARED --__attribute__((__visibility__("hidden"))) --#endif --long __syscall_cp_internal(volatile void*, long long, long long, long long, long long, -- long long, long long, long long); -- --struct __timespec { long long tv_sec; long tv_nsec; }; --struct __timespec_kernel { long long tv_sec; long long tv_nsec; }; --#define __tsc(X) ((struct __timespec*)(unsigned long)(X)) --#define __fixup(X) do { if(X) { \ -- ts->tv_sec = __tsc(X)->tv_sec; \ -- ts->tv_nsec = __tsc(X)->tv_nsec; \ -- (X) = (unsigned long)ts; } } while(0) -- --#ifdef SHARED --__attribute__((__visibility__("hidden"))) --#endif --long __syscall_cp_asm (volatile void * foo, long long n, long long a1, long long a2, long long a3, -- long long a4, long long a5, long long a6) --{ -- struct __timespec_kernel ts[1]; -- switch (n) { -- case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6: -- __fixup(a5); -- break; -- case SYS_futex: -- if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) -- __fixup(a4); -- break; -- case SYS_clock_nanosleep: -- case SYS_rt_sigtimedwait: case SYS_ppoll: -- __fixup(a3); -- break; -- case SYS_nanosleep: -- __fixup(a1); -- break; -- } -- return __syscall_cp_internal(foo, n, a1, a2, a3, a4, a5, a6); --} -- ---- a/arch/x32/src/sysinfo.c -+++ /dev/null -@@ -1,50 +0,0 @@ --#include <sys/sysinfo.h> --#include "syscall.h" --#include "libc.h" -- --#define klong long long --#define kulong unsigned long long -- --struct kernel_sysinfo { -- klong uptime; -- kulong loads[3]; -- kulong totalram; -- kulong freeram; -- kulong sharedram; -- kulong bufferram; -- kulong totalswap; -- kulong freeswap; -- short procs; -- short pad; -- kulong totalhigh; -- kulong freehigh; -- unsigned mem_unit; --}; -- --int __lsysinfo(struct sysinfo *info) --{ -- struct kernel_sysinfo tmp; -- int ret = syscall(SYS_sysinfo, &tmp); -- if(ret == -1) return ret; -- info->uptime = tmp.uptime; -- info->loads[0] = tmp.loads[0]; -- info->loads[1] = tmp.loads[1]; -- info->loads[2] = tmp.loads[2]; -- kulong shifts; -- kulong max = tmp.totalram | tmp.totalswap; -- __asm__("bsr %1,%0" : "=r"(shifts) : "r"(max)); -- shifts = shifts >= 32 ? shifts - 31 : 0; -- info->totalram = tmp.totalram >> shifts; -- info->freeram = tmp.freeram >> shifts; -- info->sharedram = tmp.sharedram >> shifts; -- info->bufferram = tmp.bufferram >> shifts; -- info->totalswap = tmp.totalswap >> shifts; -- info->freeswap = tmp.freeswap >> shifts; -- info->procs = tmp.procs ; -- info->totalhigh = tmp.totalhigh >> shifts; -- info->freehigh = tmp.freehigh >> shifts; -- info->mem_unit = (tmp.mem_unit ? tmp.mem_unit : 1) << shifts; -- return ret; --} -- --weak_alias(__lsysinfo, sysinfo); ---- a/arch/x86_64/atomic.h -+++ /dev/null -@@ -1,105 +0,0 @@ --#ifndef _INTERNAL_ATOMIC_H --#define _INTERNAL_ATOMIC_H -- --#include <stdint.h> -- --static inline int a_ctz_64(uint64_t x) --{ -- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) ); -- return x; --} -- --static inline int a_ctz_l(unsigned long x) --{ -- __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) ); -- return x; --} -- --static inline void a_and_64(volatile uint64_t *p, uint64_t v) --{ -- __asm__( "lock ; and %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_or_64(volatile uint64_t *p, uint64_t v) --{ -- __asm__( "lock ; or %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_or_l(volatile void *p, long v) --{ -- __asm__( "lock ; or %1, %0" -- : "=m"(*(long *)p) : "r"(v) : "memory" ); --} -- --static inline void *a_cas_p(volatile void *p, void *t, void *s) --{ -- __asm__( "lock ; cmpxchg %3, %1" -- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" ); -- return t; --} -- --static inline int a_cas(volatile int *p, int t, int s) --{ -- __asm__( "lock ; cmpxchg %3, %1" -- : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" ); -- return t; --} -- --static inline void a_or(volatile int *p, int v) --{ -- __asm__( "lock ; or %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline void a_and(volatile int *p, int v) --{ -- __asm__( "lock ; and %1, %0" -- : "=m"(*p) : "r"(v) : "memory" ); --} -- --static inline int a_swap(volatile int *x, int v) --{ -- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" ); -- return v; --} -- --static inline int a_fetch_add(volatile int *x, int v) --{ -- __asm__( "lock ; xadd %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" ); -- return v; --} -- --static inline void a_inc(volatile int *x) --{ -- __asm__( "lock ; incl %0" : "=m"(*x) : "m"(*x) : "memory" ); --} -- --static inline void a_dec(volatile int *x) --{ -- __asm__( "lock ; decl %0" : "=m"(*x) : "m"(*x) : "memory" ); --} -- --static inline void a_store(volatile int *p, int x) --{ -- __asm__( "mov %1, %0 ; lock ; orl $0,(%%rsp)" : "=m"(*p) : "r"(x) : "memory" ); --} -- --static inline void a_spin() --{ -- __asm__ __volatile__( "pause" : : : "memory" ); --} -- --static inline void a_barrier() --{ -- __asm__ __volatile__( "" : : : "memory" ); --} -- --static inline void a_crash() --{ -- __asm__ __volatile__( "hlt" : : : "memory" ); --} -- -- --#endif ---- /dev/null -+++ b/arch/x86_64/atomic_arch.h -@@ -0,0 +1,116 @@ -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ __asm__ __volatile__ ( -+ "lock ; cmpxchg %3, %1" -+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" ); -+ return t; -+} -+ -+#define a_cas_p a_cas_p -+static inline void *a_cas_p(volatile void *p, void *t, void *s) -+{ -+ __asm__( "lock ; cmpxchg %3, %1" -+ : "=a"(t), "=m"(*(void *volatile *)p) -+ : "a"(t), "r"(s) : "memory" ); -+ return t; -+} -+ -+#define a_swap a_swap -+static inline int a_swap(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "xchg %0, %1" -+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); -+ return v; -+} -+ -+#define a_fetch_add a_fetch_add -+static inline int a_fetch_add(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; xadd %0, %1" -+ : "=r"(v), "=m"(*p) : "0"(v) : "memory" ); -+ return v; -+} -+ -+#define a_and a_and -+static inline void a_and(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; and %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_or a_or -+static inline void a_or(volatile int *p, int v) -+{ -+ __asm__ __volatile__( -+ "lock ; or %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_and_64 a_and_64 -+static inline void a_and_64(volatile uint64_t *p, uint64_t v) -+{ -+ __asm__ __volatile( -+ "lock ; and %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_or_64 a_or_64 -+static inline void a_or_64(volatile uint64_t *p, uint64_t v) -+{ -+ __asm__ __volatile__( -+ "lock ; or %1, %0" -+ : "=m"(*p) : "r"(v) : "memory" ); -+} -+ -+#define a_inc a_inc -+static inline void a_inc(volatile int *p) -+{ -+ __asm__ __volatile__( -+ "lock ; incl %0" -+ : "=m"(*p) : "m"(*p) : "memory" ); -+} -+ -+#define a_dec a_dec -+static inline void a_dec(volatile int *p) -+{ -+ __asm__ __volatile__( -+ "lock ; decl %0" -+ : "=m"(*p) : "m"(*p) : "memory" ); -+} -+ -+#define a_store a_store -+static inline void a_store(volatile int *p, int x) -+{ -+ __asm__ __volatile__( -+ "mov %1, %0 ; lock ; orl $0,(%%rsp)" -+ : "=m"(*p) : "r"(x) : "memory" ); -+} -+ -+#define a_barrier a_barrier -+static inline void a_barrier() -+{ -+ __asm__ __volatile__( "" : : : "memory" ); -+} -+ -+#define a_pause a_pause -+static inline void a_spin() -+{ -+ __asm__ __volatile__( "pause" : : : "memory" ); -+} -+ -+#define a_crash a_crash -+static inline void a_crash() -+{ -+ __asm__ __volatile__( "hlt" : : : "memory" ); -+} -+ -+#define a_ctz_64 a_ctz_64 -+static inline int a_ctz_64(uint64_t x) -+{ -+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) ); -+ return x; -+} ---- a/arch/x86_64/bits/errno.h -+++ /dev/null -@@ -1,134 +0,0 @@ --#define EPERM 1 --#define ENOENT 2 --#define ESRCH 3 --#define EINTR 4 --#define EIO 5 --#define ENXIO 6 --#define E2BIG 7 --#define ENOEXEC 8 --#define EBADF 9 --#define ECHILD 10 --#define EAGAIN 11 --#define ENOMEM 12 --#define EACCES 13 --#define EFAULT 14 --#define ENOTBLK 15 --#define EBUSY 16 --#define EEXIST 17 --#define EXDEV 18 --#define ENODEV 19 --#define ENOTDIR 20 --#define EISDIR 21 --#define EINVAL 22 --#define ENFILE 23 --#define EMFILE 24 --#define ENOTTY 25 --#define ETXTBSY 26 --#define EFBIG 27 --#define ENOSPC 28 --#define ESPIPE 29 --#define EROFS 30 --#define EMLINK 31 --#define EPIPE 32 --#define EDOM 33 --#define ERANGE 34 --#define EDEADLK 35 --#define ENAMETOOLONG 36 --#define ENOLCK 37 --#define ENOSYS 38 --#define ENOTEMPTY 39 --#define ELOOP 40 --#define EWOULDBLOCK EAGAIN --#define ENOMSG 42 --#define EIDRM 43 --#define ECHRNG 44 --#define EL2NSYNC 45 --#define EL3HLT 46 --#define EL3RST 47 --#define ELNRNG 48 --#define EUNATCH 49 --#define ENOCSI 50 --#define EL2HLT 51 --#define EBADE 52 --#define EBADR 53 --#define EXFULL 54 --#define ENOANO 55 --#define EBADRQC 56 --#define EBADSLT 57 --#define EDEADLOCK EDEADLK --#define EBFONT 59 --#define ENOSTR 60 --#define ENODATA 61 --#define ETIME 62 --#define ENOSR 63 --#define ENONET 64 --#define ENOPKG 65 --#define EREMOTE 66 --#define ENOLINK 67 --#define EADV 68 --#define ESRMNT 69 --#define ECOMM 70 --#define EPROTO 71 --#define EMULTIHOP 72 --#define EDOTDOT 73 --#define EBADMSG 74 --#define EOVERFLOW 75 --#define ENOTUNIQ 76 --#define EBADFD 77 --#define EREMCHG 78 --#define ELIBACC 79 --#define ELIBBAD 80 --#define ELIBSCN 81 --#define ELIBMAX 82 --#define ELIBEXEC 83 --#define EILSEQ 84 --#define ERESTART 85 --#define ESTRPIPE 86 --#define EUSERS 87 --#define ENOTSOCK 88 --#define EDESTADDRREQ 89 --#define EMSGSIZE 90 --#define EPROTOTYPE 91 --#define ENOPROTOOPT 92 --#define EPROTONOSUPPORT 93 --#define ESOCKTNOSUPPORT 94 --#define EOPNOTSUPP 95 --#define ENOTSUP EOPNOTSUPP --#define EPFNOSUPPORT 96 --#define EAFNOSUPPORT 97 --#define EADDRINUSE 98 --#define EADDRNOTAVAIL 99 --#define ENETDOWN 100 --#define ENETUNREACH 101 --#define ENETRESET 102 --#define ECONNABORTED 103 --#define ECONNRESET 104 --#define ENOBUFS 105 --#define EISCONN 106 --#define ENOTCONN 107 --#define ESHUTDOWN 108 --#define ETOOMANYREFS 109 --#define ETIMEDOUT 110 --#define ECONNREFUSED 111 --#define EHOSTDOWN 112 --#define EHOSTUNREACH 113 --#define EALREADY 114 --#define EINPROGRESS 115 --#define ESTALE 116 --#define EUCLEAN 117 --#define ENOTNAM 118 --#define ENAVAIL 119 --#define EISNAM 120 --#define EREMOTEIO 121 --#define EDQUOT 122 --#define ENOMEDIUM 123 --#define EMEDIUMTYPE 124 --#define ECANCELED 125 --#define ENOKEY 126 --#define EKEYEXPIRED 127 --#define EKEYREVOKED 128 --#define EKEYREJECTED 129 --#define EOWNERDEAD 130 --#define ENOTRECOVERABLE 131 --#define ERFKILL 132 --#define EHWPOISON 133 ---- a/arch/x86_64/bits/mman.h -+++ b/arch/x86_64/bits/mman.h -@@ -38,6 +38,7 @@ - - #define MCL_CURRENT 1 - #define MCL_FUTURE 2 -+#define MCL_ONFAULT 4 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) - #define MADV_NORMAL 0 ---- a/arch/x86_64/bits/sem.h -+++ /dev/null -@@ -1,16 +0,0 @@ --struct semid_ds { -- struct ipc_perm sem_perm; -- time_t sem_otime; -- time_t __unused1; -- time_t sem_ctime; -- time_t __unused2; --#if __BYTE_ORDER == __LITTLE_ENDIAN -- unsigned short sem_nsems; -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; --#else -- char __sem_nsems_pad[sizeof(time_t)-sizeof(short)]; -- unsigned short sem_nsems; --#endif -- time_t __unused3; -- time_t __unused4; --}; ---- a/arch/x86_64/bits/statfs.h -+++ /dev/null -@@ -1,7 +0,0 @@ --struct statfs { -- unsigned long f_type, f_bsize; -- fsblkcnt_t f_blocks, f_bfree, f_bavail; -- fsfilcnt_t f_files, f_ffree; -- fsid_t f_fsid; -- unsigned long f_namelen, f_frsize, f_flags, f_spare[4]; --}; ---- a/arch/x86_64/bits/stdarg.h -+++ /dev/null -@@ -1,4 +0,0 @@ --#define va_start(v,l) __builtin_va_start(v,l) --#define va_end(v) __builtin_va_end(v) --#define va_arg(v,l) __builtin_va_arg(v,l) --#define va_copy(d,s) __builtin_va_copy(d,s) ---- a/arch/x86_64/bits/syscall.h -+++ b/arch/x86_64/bits/syscall.h -@@ -321,6 +321,9 @@ - #define __NR_kexec_file_load 320 - #define __NR_bpf 321 - #define __NR_execveat 322 -+#define __NR_userfaultfd 323 -+#define __NR_membarrier 324 -+#define __NR_mlock2 325 - - - -@@ -649,3 +652,6 @@ - #define SYS_kexec_file_load 320 - #define SYS_bpf 321 - #define SYS_execveat 322 -+#define SYS_userfaultfd 323 -+#define SYS_membarrier 324 -+#define SYS_mlock2 325 ---- a/arch/x86_64/bits/termios.h -+++ /dev/null -@@ -1,160 +0,0 @@ --struct termios --{ -- tcflag_t c_iflag; -- tcflag_t c_oflag; -- tcflag_t c_cflag; -- tcflag_t c_lflag; -- cc_t c_line; -- cc_t c_cc[NCCS]; -- speed_t __c_ispeed; -- speed_t __c_ospeed; --}; -- --#define VINTR 0 --#define VQUIT 1 --#define VERASE 2 --#define VKILL 3 --#define VEOF 4 --#define VTIME 5 --#define VMIN 6 --#define VSWTC 7 --#define VSTART 8 --#define VSTOP 9 --#define VSUSP 10 --#define VEOL 11 --#define VREPRINT 12 --#define VDISCARD 13 --#define VWERASE 14 --#define VLNEXT 15 --#define VEOL2 16 -- --#define IGNBRK 0000001 --#define BRKINT 0000002 --#define IGNPAR 0000004 --#define PARMRK 0000010 --#define INPCK 0000020 --#define ISTRIP 0000040 --#define INLCR 0000100 --#define IGNCR 0000200 --#define ICRNL 0000400 --#define IUCLC 0001000 --#define IXON 0002000 --#define IXANY 0004000 --#define IXOFF 0010000 --#define IMAXBEL 0020000 --#define IUTF8 0040000 -- --#define OPOST 0000001 --#define OLCUC 0000002 --#define ONLCR 0000004 --#define OCRNL 0000010 --#define ONOCR 0000020 --#define ONLRET 0000040 --#define OFILL 0000100 --#define OFDEL 0000200 --#define NLDLY 0000400 --#define NL0 0000000 --#define NL1 0000400 --#define CRDLY 0003000 --#define CR0 0000000 --#define CR1 0001000 --#define CR2 0002000 --#define CR3 0003000 --#define TABDLY 0014000 --#define TAB0 0000000 --#define TAB1 0004000 --#define TAB2 0010000 --#define TAB3 0014000 --#define BSDLY 0020000 --#define BS0 0000000 --#define BS1 0020000 --#define FFDLY 0100000 --#define FF0 0000000 --#define FF1 0100000 -- --#define VTDLY 0040000 --#define VT0 0000000 --#define VT1 0040000 -- --#define B0 0000000 --#define B50 0000001 --#define B75 0000002 --#define B110 0000003 --#define B134 0000004 --#define B150 0000005 --#define B200 0000006 --#define B300 0000007 --#define B600 0000010 --#define B1200 0000011 --#define B1800 0000012 --#define B2400 0000013 --#define B4800 0000014 --#define B9600 0000015 --#define B19200 0000016 --#define B38400 0000017 -- --#define B57600 0010001 --#define B115200 0010002 --#define B230400 0010003 --#define B460800 0010004 --#define B500000 0010005 --#define B576000 0010006 --#define B921600 0010007 --#define B1000000 0010010 --#define B1152000 0010011 --#define B1500000 0010012 --#define B2000000 0010013 --#define B2500000 0010014 --#define B3000000 0010015 --#define B3500000 0010016 --#define B4000000 0010017 -- --#define CBAUD 0010017 -- --#define CSIZE 0000060 --#define CS5 0000000 --#define CS6 0000020 --#define CS7 0000040 --#define CS8 0000060 --#define CSTOPB 0000100 --#define CREAD 0000200 --#define PARENB 0000400 --#define PARODD 0001000 --#define HUPCL 0002000 --#define CLOCAL 0004000 -- --#define ISIG 0000001 --#define ICANON 0000002 --#define ECHO 0000010 --#define ECHOE 0000020 --#define ECHOK 0000040 --#define ECHONL 0000100 --#define NOFLSH 0000200 --#define TOSTOP 0000400 --#define IEXTEN 0100000 -- --#define ECHOCTL 0001000 --#define ECHOPRT 0002000 --#define ECHOKE 0004000 --#define FLUSHO 0010000 --#define PENDIN 0040000 -- --#define TCOOFF 0 --#define TCOON 1 --#define TCIOFF 2 --#define TCION 3 -- --#define TCIFLUSH 0 --#define TCOFLUSH 1 --#define TCIOFLUSH 2 -- --#define TCSANOW 0 --#define TCSADRAIN 1 --#define TCSAFLUSH 2 -- --#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) --#define CBAUDEX 0010000 --#define CRTSCTS 020000000000 --#define EXTPROC 0200000 --#define XTABS 0014000 --#endif ---- a/arch/x86_64/pthread_arch.h -+++ b/arch/x86_64/pthread_arch.h -@@ -7,4 +7,4 @@ static inline struct pthread *__pthread_ - - #define TP_ADJ(p) (p) - --#define CANCEL_REG_IP 16 -+#define MC_PC gregs[REG_RIP] ---- a/configure -+++ b/configure -@@ -9,6 +9,9 @@ VAR=VALUE. See below for descriptions o - - Defaults for the options are specified in brackets. - -+Configuration: -+ --srcdir=DIR source directory [detected] -+ - Installation directories: - --prefix=PREFIX main installation prefix [/usr/local/musl] - --exec-prefix=EPREFIX installation prefix for executable files [PREFIX] -@@ -117,6 +120,7 @@ CFLAGS_TRY= - LDFLAGS_AUTO= - LDFLAGS_TRY= - OPTIMIZE_GLOBS= -+srcdir= - prefix=/usr/local/musl - exec_prefix='$(prefix)' - bindir='$(exec_prefix)/bin' -@@ -139,6 +143,7 @@ clang_wrapper=no - for arg ; do - case "$arg" in - --help) usage ;; -+--srcdir=*) srcdir=${arg#*=} ;; - --prefix=*) prefix=${arg#*=} ;; - --exec-prefix=*) exec_prefix=${arg#*=} ;; - --bindir=*) bindir=${arg#*=} ;; -@@ -179,11 +184,23 @@ LIBCC=*) LIBCC=${arg#*=} ;; - esac - done - --for i in prefix exec_prefix bindir libdir includedir syslibdir ; do -+for i in srcdir prefix exec_prefix bindir libdir includedir syslibdir ; do - stripdir $i - done - - # -+# Get the source dir for out-of-tree builds -+# -+if test -z "$srcdir" ; then -+srcdir="${0%/configure}" -+stripdir srcdir -+fi -+abs_builddir="$(pwd)" || fail "$0: cannot determine working directory" -+abs_srcdir="$(cd $srcdir && pwd)" || fail "$0: invalid source directory $srcdir" -+test "$abs_srcdir" = "$abs_builddir" && srcdir=. -+test "$srcdir" != "." -a -f Makefile -a ! -h Makefile && fail "$0: Makefile already exists in the working directory" -+ -+# - # Get a temp filename we can use - # - i=0 -@@ -263,11 +280,11 @@ fi - fi - - if test "$gcc_wrapper" = yes ; then --tools="$tools tools/musl-gcc" -+tools="$tools obj/musl-gcc" - tool_libs="$tool_libs lib/musl-gcc.specs" - fi - if test "$clang_wrapper" = yes ; then --tools="$tools tools/musl-clang tools/ld.musl-clang" -+tools="$tools obj/musl-clang obj/ld.musl-clang" - fi - - # -@@ -321,7 +338,7 @@ __attribute__((__may_alias__)) - #endif - x; - EOF --if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I./include $CPPFLAGS $CFLAGS \ -+if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \ - -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then - printf "no\n" - else -@@ -330,6 +347,13 @@ CFLAGS_C99FSE="$CFLAGS_C99FSE -D__may_al - fi - - # -+# The GNU toolchain defaults to assuming unmarked files need an -+# executable stack, potentially exposing vulnerabilities in programs -+# linked with such object files. Fix this. -+# -+tryflag CFLAGS_C99FSE -Wa,--noexecstack -+ -+# - # Check for options to disable stack protector, which needs to be - # disabled for a few early-bootstrap translation units. If not found, - # this is not an error; we assume the toolchain does not do ssp. -@@ -430,11 +454,15 @@ tryflag CFLAGS_AUTO -fno-unwind-tables - tryflag CFLAGS_AUTO -fno-asynchronous-unwind-tables - - # --# The GNU toolchain defaults to assuming unmarked files need an --# executable stack, potentially exposing vulnerabilities in programs --# linked with such object files. Fix this. -+# Attempt to put each function and each data object in its own -+# section. This both allows additional size optimizations at link -+# time and works around a dangerous class of compiler/assembler bugs -+# whereby relative address expressions are constant-folded by the -+# assembler even when one or more of the symbols involved is -+# replaceable. See gas pr 18561 and gcc pr 66609, 68178, etc. - # --tryflag CFLAGS_AUTO -Wa,--noexecstack -+tryflag CFLAGS_AUTO -ffunction-sections -+tryflag CFLAGS_AUTO -fdata-sections - - # - # On x86, make sure we don't have incompatible instruction set -@@ -489,7 +517,7 @@ int foo(void) { } - int bar(void) { fp = foo; return foo(); } - EOF - if $CC $CFLAGS_C99FSE $CPPFLAGS $CFLAGS \ -- -DSHARED -fPIC -I./src/internal -include vis.h \ -+ -DSHARED -fPIC -I$srcdir/src/internal -include vis.h \ - -nostdlib -shared -Wl,-Bsymbolic-functions \ - -o /dev/null "$tmpc" >/dev/null 2>&1 ; then - visibility=yes -@@ -504,6 +532,25 @@ CFLAGS_AUTO="$CFLAGS_AUTO -include vis.h - CFLAGS_AUTO="${CFLAGS_AUTO# }" - fi - -+# Determine if the compiler produces position-independent code (PIC) -+# by default. If so, we don't need to compile separate object files -+# for libc.a and libc.so. -+if trycppif __PIC__ "$CFLAGS_C99FSE $CPPFLAGS $CFLAGS" ; then -+pic_default=yes -+else -+pic_default=no -+fi -+ -+# Reduce space lost to padding for alignment purposes by sorting data -+# objects according to their alignment reqirements. This approximates -+# optimal packing. -+tryldflag LDFLAGS_AUTO -Wl,--sort-section,alignment -+tryldflag LDFLAGS_AUTO -Wl,--sort-common -+ -+# When linking shared library, drop dummy weak definitions that were -+# replaced by strong definitions from other translation units. -+tryldflag LDFLAGS_AUTO -Wl,--gc-sections -+ - # Some patched GCC builds have these defaults messed up... - tryldflag LDFLAGS_AUTO -Wl,--hash-style=both - -@@ -513,6 +560,11 @@ tryldflag LDFLAGS_AUTO -Wl,--hash-style= - # runtime library; implementation error is also a possibility. - tryldflag LDFLAGS_AUTO -Wl,--no-undefined - -+# Avoid exporting symbols from compiler runtime libraries. They -+# should be hidden anyway, but some toolchains including old gcc -+# versions built without shared library support and pcc are broken. -+tryldflag LDFLAGS_AUTO -Wl,--exclude-libs=ALL -+ - test "$shared" = "no" || { - # Disable dynamic linking if ld is broken and can't do -Bsymbolic-functions - LDFLAGS_DUMMY= -@@ -599,8 +651,9 @@ echo '#include <float.h>' > "$tmpc" - echo '#if LDBL_MANT_DIG == 53' >> "$tmpc" - echo 'typedef char ldcheck[9-(int)sizeof(long double)];' >> "$tmpc" - echo '#endif' >> "$tmpc" --if $CC $CFLAGS_C99FSE -I./arch/$ARCH -I./include $CPPFLAGS $CFLAGS \ -- -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then -+if $CC $CFLAGS_C99FSE \ -+ -I$srcdir/arch/$ARCH -I$srcdir/arch/generic -I$srcdir/include \ -+ $CPPFLAGS $CFLAGS -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then - printf "yes\n" - else - printf "no\n" -@@ -622,6 +675,7 @@ cat << EOF - ARCH = $ARCH - SUBARCH = $SUBARCH - ASMSUBARCH = $ASMSUBARCH -+srcdir = $srcdir - prefix = $prefix - exec_prefix = $exec_prefix - bindir = $bindir -@@ -629,12 +683,14 @@ libdir = $libdir - includedir = $includedir - syslibdir = $syslibdir - CC = $CC --CFLAGS = $CFLAGS_AUTO $CFLAGS -+CFLAGS = $CFLAGS -+CFLAGS_AUTO = $CFLAGS_AUTO - CFLAGS_C99FSE = $CFLAGS_C99FSE - CFLAGS_MEMOPS = $CFLAGS_MEMOPS - CFLAGS_NOSSP = $CFLAGS_NOSSP - CPPFLAGS = $CPPFLAGS --LDFLAGS = $LDFLAGS_AUTO $LDFLAGS -+LDFLAGS = $LDFLAGS -+LDFLAGS_AUTO = $LDFLAGS_AUTO - CROSS_COMPILE = $CROSS_COMPILE - LIBCC = $LIBCC - OPTIMIZE_GLOBS = $OPTIMIZE_GLOBS -@@ -646,6 +702,9 @@ test "x$static" = xno && echo "STATIC_LI - test "x$shared" = xno && echo "SHARED_LIBS =" - test "x$cc_family" = xgcc && echo 'WRAPCC_GCC = $(CC)' - test "x$cc_family" = xclang && echo 'WRAPCC_CLANG = $(CC)' -+test "x$pic_default" = xyes && echo 'AOBJS = $(LOBJS)' - exec 1>&3 3>&- - -+test "$srcdir" = "." || ln -sf $srcdir/Makefile . -+ - printf "done\n" ---- a/crt/arm/crti.s -+++ b/crt/arm/crti.s -@@ -1,3 +1,5 @@ -+.syntax unified -+ - .section .init - .global _init - .type _init,%function ---- a/crt/arm/crtn.s -+++ b/crt/arm/crtn.s -@@ -1,11 +1,9 @@ -+.syntax unified -+ - .section .init - pop {r0,lr} -- tst lr,#1 -- moveq pc,lr - bx lr - - .section .fini - pop {r0,lr} -- tst lr,#1 -- moveq pc,lr - bx lr ---- a/crt/rcrt1.c -+++ b/crt/rcrt1.c -@@ -1,7 +1,7 @@ - #define SHARED - #define START "_start" - #define _dlstart_c _start_c --#include "../src/ldso/dlstart.c" -+#include "../ldso/dlstart.c" - - int main(); - void _init() __attribute__((weak)); ---- a/include/complex.h -+++ b/include/complex.h -@@ -116,7 +116,7 @@ long double creall(long double complex); - - #if __STDC_VERSION__ >= 201112L - #if defined(_Imaginary_I) --#define __CMPLX(x, y, t) ((t)(x) + _Imaginary_I*(t)(y))) -+#define __CMPLX(x, y, t) ((t)(x) + _Imaginary_I*(t)(y)) - #elif defined(__clang__) - #define __CMPLX(x, y, t) (+(_Complex t){ (t)(x), (t)(y) }) - #else ---- a/include/netinet/in.h -+++ b/include/netinet/in.h -@@ -103,6 +103,7 @@ uint16_t ntohs(uint16_t); - #define IPPROTO_SCTP 132 - #define IPPROTO_MH 135 - #define IPPROTO_UDPLITE 136 -+#define IPPROTO_MPLS 137 - #define IPPROTO_RAW 255 - #define IPPROTO_MAX 256 - -@@ -200,6 +201,7 @@ uint16_t ntohs(uint16_t); - #define IP_MINTTL 21 - #define IP_NODEFRAG 22 - #define IP_CHECKSUM 23 -+#define IP_BIND_ADDRESS_NO_PORT 24 - #define IP_MULTICAST_IF 32 - #define IP_MULTICAST_TTL 33 - #define IP_MULTICAST_LOOP 34 ---- a/include/netinet/tcp.h -+++ b/include/netinet/tcp.h -@@ -27,6 +27,9 @@ - #define TCP_FASTOPEN 23 - #define TCP_TIMESTAMP 24 - #define TCP_NOTSENT_LOWAT 25 -+#define TCP_CC_INFO 26 -+#define TCP_SAVE_SYN 27 -+#define TCP_SAVED_SYN 28 - - #define TCP_ESTABLISHED 1 - #define TCP_SYN_SENT 2 -@@ -41,7 +44,20 @@ - #define TCP_CLOSING 11 - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) -+#define TCPOPT_EOL 0 -+#define TCPOPT_NOP 1 -+#define TCPOPT_MAXSEG 2 -+#define TCPOPT_WINDOW 3 -+#define TCPOPT_SACK_PERMITTED 4 -+#define TCPOPT_SACK 5 -+#define TCPOPT_TIMESTAMP 8 -+#define TCPOLEN_SACK_PERMITTED 2 -+#define TCPOLEN_WINDOW 3 -+#define TCPOLEN_MAXSEG 4 -+#define TCPOLEN_TIMESTAMP 10 -+ - #define SOL_TCP 6 -+ - #include <sys/types.h> - #include <sys/socket.h> - #include <stdint.h> -@@ -164,6 +180,10 @@ struct tcp_info - uint32_t tcpi_total_retrans; - uint64_t tcpi_pacing_rate; - uint64_t tcpi_max_pacing_rate; -+ uint64_t tcpi_bytes_acked; -+ uint64_t tcpi_bytes_received; -+ uint32_t tcpi_segs_out; -+ uint32_t tcpi_segs_in; - }; - - #define TCP_MD5SIG_MAXKEYLEN 80 ---- a/include/netpacket/packet.h -+++ b/include/netpacket/packet.h -@@ -32,10 +32,27 @@ struct packet_mreq { - #define PACKET_RECV_OUTPUT 3 - #define PACKET_RX_RING 5 - #define PACKET_STATISTICS 6 -+#define PACKET_COPY_THRESH 7 -+#define PACKET_AUXDATA 8 -+#define PACKET_ORIGDEV 9 -+#define PACKET_VERSION 10 -+#define PACKET_HDRLEN 11 -+#define PACKET_RESERVE 12 -+#define PACKET_TX_RING 13 -+#define PACKET_LOSS 14 -+#define PACKET_VNET_HDR 15 -+#define PACKET_TX_TIMESTAMP 16 -+#define PACKET_TIMESTAMP 17 -+#define PACKET_FANOUT 18 -+#define PACKET_TX_HAS_OFF 19 -+#define PACKET_QDISC_BYPASS 20 -+#define PACKET_ROLLOVER_STATS 21 -+#define PACKET_FANOUT_DATA 22 - - #define PACKET_MR_MULTICAST 0 - #define PACKET_MR_PROMISC 1 - #define PACKET_MR_ALLMULTI 2 -+#define PACKET_MR_UNICAST 3 - - #ifdef __cplusplus - } ---- a/include/signal.h -+++ b/include/signal.h -@@ -27,8 +27,6 @@ extern "C" { - - #include <bits/alltypes.h> - --#define SIG_HOLD ((void (*)(int)) 2) -- - #define SIG_BLOCK 0 - #define SIG_UNBLOCK 1 - #define SIG_SETMASK 2 -@@ -43,6 +41,18 @@ extern "C" { - #define SI_USER 0 - #define SI_KERNEL 128 - -+typedef struct sigaltstack stack_t; -+ -+#endif -+ -+#include <bits/signal.h> -+ -+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ -+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ -+ || defined(_BSD_SOURCE) -+ -+#define SIG_HOLD ((void (*)(int)) 2) -+ - #define FPE_INTDIV 1 - #define FPE_INTOVF 2 - #define FPE_FLTDIV 3 -@@ -78,15 +88,17 @@ extern "C" { - #define CLD_STOPPED 5 - #define CLD_CONTINUED 6 - --typedef struct sigaltstack stack_t; -- - union sigval { - int sival_int; - void *sival_ptr; - }; - - typedef struct { -+#ifdef __SI_SWAP_ERRNO_CODE -+ int si_signo, si_code, si_errno; -+#else - int si_signo, si_errno, si_code; -+#endif - union { - char __pad[128 - 2*sizeof(int) - sizeof(long)]; - struct { -@@ -240,8 +252,6 @@ int sigandset(sigset_t *, const sigset_t - #define SA_ONESHOT SA_RESETHAND - #endif - --#include <bits/signal.h> -- - #define SIG_ERR ((void (*)(int))-1) - #define SIG_DFL ((void (*)(int)) 0) - #define SIG_IGN ((void (*)(int)) 1) ---- a/include/sys/mman.h -+++ b/include/sys/mman.h -@@ -39,6 +39,7 @@ int remap_file_pages (void *, size_t, in - #endif - - #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) -+#define MLOCK_ONFAULT 0x01 - int madvise (void *, size_t, int); - int mincore (void *, size_t, unsigned char *); - #endif ---- a/include/sys/mount.h -+++ b/include/sys/mount.h -@@ -46,12 +46,13 @@ extern "C" { - #define MS_KERNMOUNT (1<<22) - #define MS_I_VERSION (1<<23) - #define MS_STRICTATIME (1<<24) -+#define MS_LAZYTIME (1<<25) - #define MS_NOSEC (1<<28) - #define MS_BORN (1<<29) - #define MS_ACTIVE (1<<30) - #define MS_NOUSER (1U<<31) - --#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION) -+#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|MS_LAZYTIME) - - #define MS_MGC_VAL 0xc0ed0000 - #define MS_MGC_MSK 0xffff0000 ---- a/include/sys/prctl.h -+++ b/include/sys/prctl.h -@@ -124,6 +124,12 @@ struct prctl_mm_map { - #define PR_FP_MODE_FR (1 << 0) - #define PR_FP_MODE_FRE (1 << 1) - -+#define PR_CAP_AMBIENT 47 -+#define PR_CAP_AMBIENT_IS_SET 1 -+#define PR_CAP_AMBIENT_RAISE 2 -+#define PR_CAP_AMBIENT_LOWER 3 -+#define PR_CAP_AMBIENT_CLEAR_ALL 4 -+ - int prctl (int, ...); - - #ifdef __cplusplus ---- a/include/sys/ptrace.h -+++ b/include/sys/ptrace.h -@@ -39,6 +39,7 @@ extern "C" { - #define PTRACE_PEEKSIGINFO 0x4209 - #define PTRACE_GETSIGMASK 0x420a - #define PTRACE_SETSIGMASK 0x420b -+#define PTRACE_SECCOMP_GET_FILTER 0x420c - - #define PT_READ_I PTRACE_PEEKTEXT - #define PT_READ_D PTRACE_PEEKDATA -@@ -72,7 +73,8 @@ extern "C" { - #define PTRACE_O_TRACEEXIT 0x00000040 - #define PTRACE_O_TRACESECCOMP 0x00000080 - #define PTRACE_O_EXITKILL 0x00100000 --#define PTRACE_O_MASK 0x001000ff -+#define PTRACE_O_SUSPEND_SECCOMP 0x00200000 -+#define PTRACE_O_MASK 0x003000ff - - #define PTRACE_EVENT_FORK 1 - #define PTRACE_EVENT_VFORK 2 ---- a/include/sys/socket.h -+++ b/include/sys/socket.h -@@ -96,6 +96,7 @@ struct linger - #define PF_WANPIPE 25 - #define PF_LLC 26 - #define PF_IB 27 -+#define PF_MPLS 28 - #define PF_CAN 29 - #define PF_TIPC 30 - #define PF_BLUETOOTH 31 -@@ -141,6 +142,7 @@ struct linger - #define AF_WANPIPE PF_WANPIPE - #define AF_LLC PF_LLC - #define AF_IB PF_IB -+#define AF_MPLS PF_MPLS - #define AF_CAN PF_CAN - #define AF_TIPC PF_TIPC - #define AF_BLUETOOTH PF_BLUETOOTH -@@ -255,6 +257,7 @@ struct linger - #define MSG_NOSIGNAL 0x4000 - #define MSG_MORE 0x8000 - #define MSG_WAITFORONE 0x10000 -+#define MSG_FASTOPEN 0x20000000 - #define MSG_CMSG_CLOEXEC 0x40000000 - - #define __CMSG_LEN(cmsg) (((cmsg)->cmsg_len + sizeof(long) - 1) & ~(long)(sizeof(long) - 1)) ---- /dev/null -+++ b/ldso/dlstart.c -@@ -0,0 +1,146 @@ -+#include <stddef.h> -+#include "dynlink.h" -+ -+#ifndef START -+#define START "_dlstart" -+#endif -+ -+#include "crt_arch.h" -+ -+#ifndef GETFUNCSYM -+#define GETFUNCSYM(fp, sym, got) do { \ -+ __attribute__((__visibility__("hidden"))) void sym(); \ -+ static void (*static_func_ptr)() = sym; \ -+ __asm__ __volatile__ ( "" : "+m"(static_func_ptr) : : "memory"); \ -+ *(fp) = static_func_ptr; } while(0) -+#endif -+ -+__attribute__((__visibility__("hidden"))) -+void _dlstart_c(size_t *sp, size_t *dynv) -+{ -+ size_t i, aux[AUX_CNT], dyn[DYN_CNT]; -+ size_t *rel, rel_size, base; -+ -+ int argc = *sp; -+ char **argv = (void *)(sp+1); -+ -+ for (i=argc+1; argv[i]; i++); -+ size_t *auxv = (void *)(argv+i+1); -+ -+ for (i=0; i<AUX_CNT; i++) aux[i] = 0; -+ for (i=0; auxv[i]; i+=2) if (auxv[i]<AUX_CNT) -+ aux[auxv[i]] = auxv[i+1]; -+ -+#if DL_FDPIC -+ struct fdpic_loadseg *segs, fakeseg; -+ size_t j; -+ if (dynv) { -+ /* crt_arch.h entry point asm is responsible for reserving -+ * space and moving the extra fdpic arguments to the stack -+ * vector where they are easily accessible from C. */ -+ segs = ((struct fdpic_loadmap *)(sp[-1] ? sp[-1] : sp[-2]))->segs; -+ } else { -+ /* If dynv is null, the entry point was started from loader -+ * that is not fdpic-aware. We can assume normal fixed- -+ * displacement ELF loading was performed, but when ldso was -+ * run as a command, finding the Ehdr is a heursitic: we -+ * have to assume Phdrs start in the first 4k of the file. */ -+ base = aux[AT_BASE]; -+ if (!base) base = aux[AT_PHDR] & -4096; -+ segs = &fakeseg; -+ segs[0].addr = base; -+ segs[0].p_vaddr = 0; -+ segs[0].p_memsz = -1; -+ Ehdr *eh = (void *)base; -+ Phdr *ph = (void *)(base + eh->e_phoff); -+ size_t phnum = eh->e_phnum; -+ size_t phent = eh->e_phentsize; -+ while (phnum-- && ph->p_type != PT_DYNAMIC) -+ ph = (void *)((size_t)ph + phent); -+ dynv = (void *)(base + ph->p_vaddr); -+ } -+#endif -+ -+ for (i=0; i<DYN_CNT; i++) dyn[i] = 0; -+ for (i=0; dynv[i]; i+=2) if (dynv[i]<DYN_CNT) -+ dyn[dynv[i]] = dynv[i+1]; -+ -+#if DL_FDPIC -+ for (i=0; i<DYN_CNT; i++) { -+ if (i==DT_RELASZ || i==DT_RELSZ) continue; -+ if (!dyn[i]) continue; -+ for (j=0; dyn[i]-segs[j].p_vaddr >= segs[j].p_memsz; j++); -+ dyn[i] += segs[j].addr - segs[j].p_vaddr; -+ } -+ base = 0; -+ -+ const Sym *syms = (void *)dyn[DT_SYMTAB]; -+ -+ rel = (void *)dyn[DT_RELA]; -+ rel_size = dyn[DT_RELASZ]; -+ for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) { -+ if (!IS_RELATIVE(rel[1], syms)) continue; -+ for (j=0; rel[0]-segs[j].p_vaddr >= segs[j].p_memsz; j++); -+ size_t *rel_addr = (void *) -+ (rel[0] + segs[j].addr - segs[j].p_vaddr); -+ if (R_TYPE(rel[1]) == REL_FUNCDESC_VAL) { -+ *rel_addr += segs[rel_addr[1]].addr -+ - segs[rel_addr[1]].p_vaddr -+ + syms[R_SYM(rel[1])].st_value; -+ rel_addr[1] = dyn[DT_PLTGOT]; -+ } else { -+ size_t val = syms[R_SYM(rel[1])].st_value; -+ for (j=0; val-segs[j].p_vaddr >= segs[j].p_memsz; j++); -+ *rel_addr = rel[2] + segs[j].addr - segs[j].p_vaddr + val; -+ } -+ } -+#else -+ /* If the dynamic linker is invoked as a command, its load -+ * address is not available in the aux vector. Instead, compute -+ * the load address as the difference between &_DYNAMIC and the -+ * virtual address in the PT_DYNAMIC program header. */ -+ base = aux[AT_BASE]; -+ if (!base) { -+ size_t phnum = aux[AT_PHNUM]; -+ size_t phentsize = aux[AT_PHENT]; -+ Phdr *ph = (void *)aux[AT_PHDR]; -+ for (i=phnum; i--; ph = (void *)((char *)ph + phentsize)) { -+ if (ph->p_type == PT_DYNAMIC) { -+ base = (size_t)dynv - ph->p_vaddr; -+ break; -+ } -+ } -+ } -+ -+ /* MIPS uses an ugly packed form for GOT relocations. Since we -+ * can't make function calls yet and the code is tiny anyway, -+ * it's simply inlined here. */ -+ if (NEED_MIPS_GOT_RELOCS) { -+ size_t local_cnt = 0; -+ size_t *got = (void *)(base + dyn[DT_PLTGOT]); -+ for (i=0; dynv[i]; i+=2) if (dynv[i]==DT_MIPS_LOCAL_GOTNO) -+ local_cnt = dynv[i+1]; -+ for (i=0; i<local_cnt; i++) got[i] += base; -+ } -+ -+ rel = (void *)(base+dyn[DT_REL]); -+ rel_size = dyn[DT_RELSZ]; -+ for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t)) { -+ if (!IS_RELATIVE(rel[1], 0)) continue; -+ size_t *rel_addr = (void *)(base + rel[0]); -+ *rel_addr += base; -+ } -+ -+ rel = (void *)(base+dyn[DT_RELA]); -+ rel_size = dyn[DT_RELASZ]; -+ for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) { -+ if (!IS_RELATIVE(rel[1], 0)) continue; -+ size_t *rel_addr = (void *)(base + rel[0]); -+ *rel_addr = base + rel[2]; -+ } -+#endif -+ -+ stage2_func dls2; -+ GETFUNCSYM(&dls2, __dls2, base+dyn[DT_PLTGOT]); -+ dls2((void *)base, sp); -+} ---- /dev/null -+++ b/ldso/dynlink.c -@@ -0,0 +1,1931 @@ -+#define _GNU_SOURCE -+#include <stdio.h> -+#include <stdlib.h> -+#include <stdarg.h> -+#include <stddef.h> -+#include <string.h> -+#include <unistd.h> -+#include <stdint.h> -+#include <elf.h> -+#include <sys/mman.h> -+#include <limits.h> -+#include <fcntl.h> -+#include <sys/stat.h> -+#include <errno.h> -+#include <link.h> -+#include <setjmp.h> -+#include <pthread.h> -+#include <ctype.h> -+#include <dlfcn.h> -+#include "pthread_impl.h" -+#include "libc.h" -+#include "dynlink.h" -+ -+static void error(const char *, ...); -+ -+#define MAXP2(a,b) (-(-(a)&-(b))) -+#define ALIGN(x,y) ((x)+(y)-1 & -(y)) -+ -+struct debug { -+ int ver; -+ void *head; -+ void (*bp)(void); -+ int state; -+ void *base; -+}; -+ -+struct td_index { -+ size_t args[2]; -+ struct td_index *next; -+}; -+ -+struct dso { -+#if DL_FDPIC -+ struct fdpic_loadmap *loadmap; -+#else -+ unsigned char *base; -+#endif -+ char *name; -+ size_t *dynv; -+ struct dso *next, *prev; -+ -+ Phdr *phdr; -+ int phnum; -+ size_t phentsize; -+ int refcnt; -+ Sym *syms; -+ uint32_t *hashtab; -+ uint32_t *ghashtab; -+ int16_t *versym; -+ char *strings; -+ unsigned char *map; -+ size_t map_len; -+ dev_t dev; -+ ino_t ino; -+ signed char global; -+ char relocated; -+ char constructed; -+ char kernel_mapped; -+ struct dso **deps, *needed_by; -+ char *rpath_orig, *rpath; -+ struct tls_module tls; -+ size_t tls_id; -+ size_t relro_start, relro_end; -+ void **new_dtv; -+ unsigned char *new_tls; -+ volatile int new_dtv_idx, new_tls_idx; -+ struct td_index *td_index; -+ struct dso *fini_next; -+ char *shortname; -+#if DL_FDPIC -+ unsigned char *base; -+#else -+ struct fdpic_loadmap *loadmap; -+#endif -+ struct funcdesc { -+ void *addr; -+ size_t *got; -+ } *funcdescs; -+ size_t *got; -+ char buf[]; -+}; -+ -+struct symdef { -+ Sym *sym; -+ struct dso *dso; -+}; -+ -+int __init_tp(void *); -+void __init_libc(char **, char *); -+void *__copy_tls(unsigned char *); -+ -+__attribute__((__visibility__("hidden"))) -+const char *__libc_get_version(void); -+ -+static struct builtin_tls { -+ char c; -+ struct pthread pt; -+ void *space[16]; -+} builtin_tls[1]; -+#define MIN_TLS_ALIGN offsetof(struct builtin_tls, pt) -+ -+#define ADDEND_LIMIT 4096 -+static size_t *saved_addends, *apply_addends_to; -+ -+static struct dso ldso; -+static struct dso *head, *tail, *fini_head; -+static char *env_path, *sys_path; -+static unsigned long long gencnt; -+static int runtime; -+static int ldd_mode; -+static int ldso_fail; -+static int noload; -+static jmp_buf *rtld_fail; -+static pthread_rwlock_t lock; -+static struct debug debug; -+static struct tls_module *tls_tail; -+static size_t tls_cnt, tls_offset, tls_align = MIN_TLS_ALIGN; -+static size_t static_tls_cnt; -+static pthread_mutex_t init_fini_lock = { ._m_type = PTHREAD_MUTEX_RECURSIVE }; -+static struct fdpic_loadmap *app_loadmap; -+static struct fdpic_dummy_loadmap app_dummy_loadmap; -+ -+struct debug *_dl_debug_addr = &debug; -+ -+__attribute__((__visibility__("hidden"))) -+void (*const __init_array_start)(void)=0, (*const __fini_array_start)(void)=0; -+ -+__attribute__((__visibility__("hidden"))) -+extern void (*const __init_array_end)(void), (*const __fini_array_end)(void); -+ -+weak_alias(__init_array_start, __init_array_end); -+weak_alias(__fini_array_start, __fini_array_end); -+ -+static int dl_strcmp(const char *l, const char *r) -+{ -+ for (; *l==*r && *l; l++, r++); -+ return *(unsigned char *)l - *(unsigned char *)r; -+} -+#define strcmp(l,r) dl_strcmp(l,r) -+ -+/* Compute load address for a virtual address in a given dso. */ -+#if DL_FDPIC -+static void *laddr(const struct dso *p, size_t v) -+{ -+ size_t j=0; -+ if (!p->loadmap) return p->base + v; -+ for (j=0; v-p->loadmap->segs[j].p_vaddr >= p->loadmap->segs[j].p_memsz; j++); -+ return (void *)(v - p->loadmap->segs[j].p_vaddr + p->loadmap->segs[j].addr); -+} -+#define fpaddr(p, v) ((void (*)())&(struct funcdesc){ \ -+ laddr(p, v), (p)->got }) -+#else -+#define laddr(p, v) (void *)((p)->base + (v)) -+#define fpaddr(p, v) ((void (*)())laddr(p, v)) -+#endif -+ -+static void decode_vec(size_t *v, size_t *a, size_t cnt) -+{ -+ size_t i; -+ for (i=0; i<cnt; i++) a[i] = 0; -+ for (; v[0]; v+=2) if (v[0]-1<cnt-1) { -+ a[0] |= 1UL<<v[0]; -+ a[v[0]] = v[1]; -+ } -+} -+ -+static int search_vec(size_t *v, size_t *r, size_t key) -+{ -+ for (; v[0]!=key; v+=2) -+ if (!v[0]) return 0; -+ *r = v[1]; -+ return 1; -+} -+ -+static uint32_t sysv_hash(const char *s0) -+{ -+ const unsigned char *s = (void *)s0; -+ uint_fast32_t h = 0; -+ while (*s) { -+ h = 16*h + *s++; -+ h ^= h>>24 & 0xf0; -+ } -+ return h & 0xfffffff; -+} -+ -+static uint32_t gnu_hash(const char *s0) -+{ -+ const unsigned char *s = (void *)s0; -+ uint_fast32_t h = 5381; -+ for (; *s; s++) -+ h += h*32 + *s; -+ return h; -+} -+ -+static Sym *sysv_lookup(const char *s, uint32_t h, struct dso *dso) -+{ -+ size_t i; -+ Sym *syms = dso->syms; -+ uint32_t *hashtab = dso->hashtab; -+ char *strings = dso->strings; -+ for (i=hashtab[2+h%hashtab[0]]; i; i=hashtab[2+hashtab[0]+i]) { -+ if ((!dso->versym || dso->versym[i] >= 0) -+ && (!strcmp(s, strings+syms[i].st_name))) -+ return syms+i; -+ } -+ return 0; -+} -+ -+static Sym *gnu_lookup(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s) -+{ -+ uint32_t nbuckets = hashtab[0]; -+ uint32_t *buckets = hashtab + 4 + hashtab[2]*(sizeof(size_t)/4); -+ uint32_t i = buckets[h1 % nbuckets]; -+ -+ if (!i) return 0; -+ -+ uint32_t *hashval = buckets + nbuckets + (i - hashtab[1]); -+ -+ for (h1 |= 1; ; i++) { -+ uint32_t h2 = *hashval++; -+ if ((h1 == (h2|1)) && (!dso->versym || dso->versym[i] >= 0) -+ && !strcmp(s, dso->strings + dso->syms[i].st_name)) -+ return dso->syms+i; -+ if (h2 & 1) break; -+ } -+ -+ return 0; -+} -+ -+static Sym *gnu_lookup_filtered(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s, uint32_t fofs, size_t fmask) -+{ -+ const size_t *bloomwords = (const void *)(hashtab+4); -+ size_t f = bloomwords[fofs & (hashtab[2]-1)]; -+ if (!(f & fmask)) return 0; -+ -+ f >>= (h1 >> hashtab[3]) % (8 * sizeof f); -+ if (!(f & 1)) return 0; -+ -+ return gnu_lookup(h1, hashtab, dso, s); -+} -+ -+#define OK_TYPES (1<<STT_NOTYPE | 1<<STT_OBJECT | 1<<STT_FUNC | 1<<STT_COMMON | 1<<STT_TLS) -+#define OK_BINDS (1<<STB_GLOBAL | 1<<STB_WEAK | 1<<STB_GNU_UNIQUE) -+ -+#ifndef ARCH_SYM_REJECT_UND -+#define ARCH_SYM_REJECT_UND(s) 0 -+#endif -+ -+static struct symdef find_sym(struct dso *dso, const char *s, int need_def) -+{ -+ uint32_t h = 0, gh, gho, *ght; -+ size_t ghm = 0; -+ struct symdef def = {0}; -+ for (; dso; dso=dso->next) { -+ Sym *sym; -+ if (!dso->global) continue; -+ if ((ght = dso->ghashtab)) { -+ if (!ghm) { -+ gh = gnu_hash(s); -+ int maskbits = 8 * sizeof ghm; -+ gho = gh / maskbits; -+ ghm = 1ul << gh % maskbits; -+ } -+ sym = gnu_lookup_filtered(gh, ght, dso, s, gho, ghm); -+ } else { -+ if (!h) h = sysv_hash(s); -+ sym = sysv_lookup(s, h, dso); -+ } -+ if (!sym) continue; -+ if (!sym->st_shndx) -+ if (need_def || (sym->st_info&0xf) == STT_TLS -+ || ARCH_SYM_REJECT_UND(sym)) -+ continue; -+ if (!sym->st_value) -+ if ((sym->st_info&0xf) != STT_TLS) -+ continue; -+ if (!(1<<(sym->st_info&0xf) & OK_TYPES)) continue; -+ if (!(1<<(sym->st_info>>4) & OK_BINDS)) continue; -+ -+ if (def.sym && sym->st_info>>4 == STB_WEAK) continue; -+ def.sym = sym; -+ def.dso = dso; -+ if (sym->st_info>>4 == STB_GLOBAL) break; -+ } -+ return def; -+} -+ -+__attribute__((__visibility__("hidden"))) -+ptrdiff_t __tlsdesc_static(), __tlsdesc_dynamic(); -+ -+static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stride) -+{ -+ unsigned char *base = dso->base; -+ Sym *syms = dso->syms; -+ char *strings = dso->strings; -+ Sym *sym; -+ const char *name; -+ void *ctx; -+ int type; -+ int sym_index; -+ struct symdef def; -+ size_t *reloc_addr; -+ size_t sym_val; -+ size_t tls_val; -+ size_t addend; -+ int skip_relative = 0, reuse_addends = 0, save_slot = 0; -+ -+ if (dso == &ldso) { -+ /* Only ldso's REL table needs addend saving/reuse. */ -+ if (rel == apply_addends_to) -+ reuse_addends = 1; -+ skip_relative = 1; -+ } -+ -+ for (; rel_size; rel+=stride, rel_size-=stride*sizeof(size_t)) { -+ if (skip_relative && IS_RELATIVE(rel[1], dso->syms)) continue; -+ type = R_TYPE(rel[1]); -+ if (type == REL_NONE) continue; -+ sym_index = R_SYM(rel[1]); -+ reloc_addr = laddr(dso, rel[0]); -+ if (sym_index) { -+ sym = syms + sym_index; -+ name = strings + sym->st_name; -+ ctx = type==REL_COPY ? head->next : head; -+ def = (sym->st_info&0xf) == STT_SECTION -+ ? (struct symdef){ .dso = dso, .sym = sym } -+ : find_sym(ctx, name, type==REL_PLT); -+ if (!def.sym && (sym->st_shndx != SHN_UNDEF -+ || sym->st_info>>4 != STB_WEAK)) { -+ error("Error relocating %s: %s: symbol not found", -+ dso->name, name); -+ if (runtime) longjmp(*rtld_fail, 1); -+ continue; -+ } -+ } else { -+ sym = 0; -+ def.sym = 0; -+ def.dso = dso; -+ } -+ -+ if (stride > 2) { -+ addend = rel[2]; -+ } else if (type==REL_GOT || type==REL_PLT|| type==REL_COPY) { -+ addend = 0; -+ } else if (reuse_addends) { -+ /* Save original addend in stage 2 where the dso -+ * chain consists of just ldso; otherwise read back -+ * saved addend since the inline one was clobbered. */ -+ if (head==&ldso) -+ saved_addends[save_slot] = *reloc_addr; -+ addend = saved_addends[save_slot++]; -+ } else { -+ addend = *reloc_addr; -+ } -+ -+ sym_val = def.sym ? (size_t)laddr(def.dso, def.sym->st_value) : 0; -+ tls_val = def.sym ? def.sym->st_value : 0; -+ -+ switch(type) { -+ case REL_NONE: -+ break; -+ case REL_OFFSET: -+ addend -= (size_t)reloc_addr; -+ case REL_SYMBOLIC: -+ case REL_GOT: -+ case REL_PLT: -+ *reloc_addr = sym_val + addend; -+ break; -+ case REL_RELATIVE: -+ *reloc_addr = (size_t)base + addend; -+ break; -+ case REL_SYM_OR_REL: -+ if (sym) *reloc_addr = sym_val + addend; -+ else *reloc_addr = (size_t)base + addend; -+ break; -+ case REL_COPY: -+ memcpy(reloc_addr, (void *)sym_val, sym->st_size); -+ break; -+ case REL_OFFSET32: -+ *(uint32_t *)reloc_addr = sym_val + addend -+ - (size_t)reloc_addr; -+ break; -+ case REL_FUNCDESC: -+ *reloc_addr = def.sym ? (size_t)(def.dso->funcdescs -+ + (def.sym - def.dso->syms)) : 0; -+ break; -+ case REL_FUNCDESC_VAL: -+ if ((sym->st_info&0xf) == STT_SECTION) *reloc_addr += sym_val; -+ else *reloc_addr = sym_val; -+ reloc_addr[1] = def.sym ? (size_t)def.dso->got : 0; -+ break; -+ case REL_DTPMOD: -+ *reloc_addr = def.dso->tls_id; -+ break; -+ case REL_DTPOFF: -+ *reloc_addr = tls_val + addend - DTP_OFFSET; -+ break; -+#ifdef TLS_ABOVE_TP -+ case REL_TPOFF: -+ *reloc_addr = tls_val + def.dso->tls.offset + TPOFF_K + addend; -+ break; -+#else -+ case REL_TPOFF: -+ *reloc_addr = tls_val - def.dso->tls.offset + addend; -+ break; -+ case REL_TPOFF_NEG: -+ *reloc_addr = def.dso->tls.offset - tls_val + addend; -+ break; -+#endif -+ case REL_TLSDESC: -+ if (stride<3) addend = reloc_addr[1]; -+ if (runtime && def.dso->tls_id >= static_tls_cnt) { -+ struct td_index *new = malloc(sizeof *new); -+ if (!new) { -+ error( -+ "Error relocating %s: cannot allocate TLSDESC for %s", -+ dso->name, sym ? name : "(local)" ); -+ longjmp(*rtld_fail, 1); -+ } -+ new->next = dso->td_index; -+ dso->td_index = new; -+ new->args[0] = def.dso->tls_id; -+ new->args[1] = tls_val + addend; -+ reloc_addr[0] = (size_t)__tlsdesc_dynamic; -+ reloc_addr[1] = (size_t)new; -+ } else { -+ reloc_addr[0] = (size_t)__tlsdesc_static; -+#ifdef TLS_ABOVE_TP -+ reloc_addr[1] = tls_val + def.dso->tls.offset -+ + TPOFF_K + addend; -+#else -+ reloc_addr[1] = tls_val - def.dso->tls.offset -+ + addend; -+#endif -+ } -+ break; -+ default: -+ error("Error relocating %s: unsupported relocation type %d", -+ dso->name, type); -+ if (runtime) longjmp(*rtld_fail, 1); -+ continue; -+ } -+ } -+} -+ -+/* A huge hack: to make up for the wastefulness of shared libraries -+ * needing at least a page of dirty memory even if they have no global -+ * data, we reclaim the gaps at the beginning and end of writable maps -+ * and "donate" them to the heap by setting up minimal malloc -+ * structures and then freeing them. */ -+ -+static void reclaim(struct dso *dso, size_t start, size_t end) -+{ -+ size_t *a, *z; -+ if (start >= dso->relro_start && start < dso->relro_end) start = dso->relro_end; -+ if (end >= dso->relro_start && end < dso->relro_end) end = dso->relro_start; -+ start = start + 6*sizeof(size_t)-1 & -4*sizeof(size_t); -+ end = (end & -4*sizeof(size_t)) - 2*sizeof(size_t); -+ if (start>end || end-start < 4*sizeof(size_t)) return; -+ a = laddr(dso, start); -+ z = laddr(dso, end); -+ a[-2] = 1; -+ a[-1] = z[0] = end-start + 2*sizeof(size_t) | 1; -+ z[1] = 1; -+ free(a); -+} -+ -+static void reclaim_gaps(struct dso *dso) -+{ -+ Phdr *ph = dso->phdr; -+ size_t phcnt = dso->phnum; -+ -+ if (DL_FDPIC) return; // FIXME -+ for (; phcnt--; ph=(void *)((char *)ph+dso->phentsize)) { -+ if (ph->p_type!=PT_LOAD) continue; -+ if ((ph->p_flags&(PF_R|PF_W))!=(PF_R|PF_W)) continue; -+ reclaim(dso, ph->p_vaddr & -PAGE_SIZE, ph->p_vaddr); -+ reclaim(dso, ph->p_vaddr+ph->p_memsz, -+ ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE); -+ } -+} -+ -+static void *mmap_fixed(void *p, size_t n, int prot, int flags, int fd, off_t off) -+{ -+ static int no_map_fixed; -+ char *q; -+ if (!no_map_fixed) { -+ q = mmap(p, n, prot, flags|MAP_FIXED, fd, off); -+ if (!DL_NOMMU_SUPPORT || q != MAP_FAILED || errno != EINVAL) -+ return q; -+ no_map_fixed = 1; -+ } -+ /* Fallbacks for MAP_FIXED failure on NOMMU kernels. */ -+ if (flags & MAP_ANONYMOUS) { -+ memset(p, 0, n); -+ return p; -+ } -+ ssize_t r; -+ if (lseek(fd, off, SEEK_SET) < 0) return MAP_FAILED; -+ for (q=p; n; q+=r, off+=r, n-=r) { -+ r = read(fd, q, n); -+ if (r < 0 && errno != EINTR) return MAP_FAILED; -+ if (!r) { -+ memset(q, 0, n); -+ break; -+ } -+ } -+ return p; -+} -+ -+static void unmap_library(struct dso *dso) -+{ -+ if (dso->loadmap) { -+ size_t i; -+ for (i=0; i<dso->loadmap->nsegs; i++) { -+ if (!dso->loadmap->segs[i].p_memsz) -+ continue; -+ munmap((void *)dso->loadmap->segs[i].addr, -+ dso->loadmap->segs[i].p_memsz); -+ } -+ free(dso->loadmap); -+ } else if (dso->map && dso->map_len) { -+ munmap(dso->map, dso->map_len); -+ } -+} -+ -+static void *map_library(int fd, struct dso *dso) -+{ -+ Ehdr buf[(896+sizeof(Ehdr))/sizeof(Ehdr)]; -+ void *allocated_buf=0; -+ size_t phsize; -+ size_t addr_min=SIZE_MAX, addr_max=0, map_len; -+ size_t this_min, this_max; -+ size_t nsegs = 0; -+ off_t off_start; -+ Ehdr *eh; -+ Phdr *ph, *ph0; -+ unsigned prot; -+ unsigned char *map=MAP_FAILED, *base; -+ size_t dyn=0; -+ size_t tls_image=0; -+ size_t i; -+ -+ ssize_t l = read(fd, buf, sizeof buf); -+ eh = buf; -+ if (l<0) return 0; -+ if (l<sizeof *eh || (eh->e_type != ET_DYN && eh->e_type != ET_EXEC)) -+ goto noexec; -+ phsize = eh->e_phentsize * eh->e_phnum; -+ if (phsize > sizeof buf - sizeof *eh) { -+ allocated_buf = malloc(phsize); -+ if (!allocated_buf) return 0; -+ l = pread(fd, allocated_buf, phsize, eh->e_phoff); -+ if (l < 0) goto error; -+ if (l != phsize) goto noexec; -+ ph = ph0 = allocated_buf; -+ } else if (eh->e_phoff + phsize > l) { -+ l = pread(fd, buf+1, phsize, eh->e_phoff); -+ if (l < 0) goto error; -+ if (l != phsize) goto noexec; -+ ph = ph0 = (void *)(buf + 1); -+ } else { -+ ph = ph0 = (void *)((char *)buf + eh->e_phoff); -+ } -+ for (i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) { -+ if (ph->p_type == PT_DYNAMIC) { -+ dyn = ph->p_vaddr; -+ } else if (ph->p_type == PT_TLS) { -+ tls_image = ph->p_vaddr; -+ dso->tls.align = ph->p_align; -+ dso->tls.len = ph->p_filesz; -+ dso->tls.size = ph->p_memsz; -+ } else if (ph->p_type == PT_GNU_RELRO) { -+ dso->relro_start = ph->p_vaddr & -PAGE_SIZE; -+ dso->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE; -+ } -+ if (ph->p_type != PT_LOAD) continue; -+ nsegs++; -+ if (ph->p_vaddr < addr_min) { -+ addr_min = ph->p_vaddr; -+ off_start = ph->p_offset; -+ prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) | -+ ((ph->p_flags&PF_W) ? PROT_WRITE: 0) | -+ ((ph->p_flags&PF_X) ? PROT_EXEC : 0)); -+ } -+ if (ph->p_vaddr+ph->p_memsz > addr_max) { -+ addr_max = ph->p_vaddr+ph->p_memsz; -+ } -+ } -+ if (!dyn) goto noexec; -+ if (DL_FDPIC && !(eh->e_flags & FDPIC_CONSTDISP_FLAG)) { -+ dso->loadmap = calloc(1, sizeof *dso->loadmap -+ + nsegs * sizeof *dso->loadmap->segs); -+ if (!dso->loadmap) goto error; -+ dso->loadmap->nsegs = nsegs; -+ for (ph=ph0, i=0; i<nsegs; ph=(void *)((char *)ph+eh->e_phentsize)) { -+ if (ph->p_type != PT_LOAD) continue; -+ prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) | -+ ((ph->p_flags&PF_W) ? PROT_WRITE: 0) | -+ ((ph->p_flags&PF_X) ? PROT_EXEC : 0)); -+ map = mmap(0, ph->p_memsz + (ph->p_vaddr & PAGE_SIZE-1), -+ prot, MAP_PRIVATE, -+ fd, ph->p_offset & -PAGE_SIZE); -+ if (map == MAP_FAILED) { -+ unmap_library(dso); -+ goto error; -+ } -+ dso->loadmap->segs[i].addr = (size_t)map + -+ (ph->p_vaddr & PAGE_SIZE-1); -+ dso->loadmap->segs[i].p_vaddr = ph->p_vaddr; -+ dso->loadmap->segs[i].p_memsz = ph->p_memsz; -+ i++; -+ if (prot & PROT_WRITE) { -+ size_t brk = (ph->p_vaddr & PAGE_SIZE-1) -+ + ph->p_filesz; -+ size_t pgbrk = brk + PAGE_SIZE-1 & -PAGE_SIZE; -+ size_t pgend = brk + ph->p_memsz - ph->p_filesz -+ + PAGE_SIZE-1 & -PAGE_SIZE; -+ if (pgend > pgbrk && mmap_fixed(map+pgbrk, -+ pgend-pgbrk, prot, -+ MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -+ -1, off_start) == MAP_FAILED) -+ goto error; -+ memset(map + brk, 0, pgbrk-brk); -+ } -+ } -+ map = (void *)dso->loadmap->segs[0].addr; -+ map_len = 0; -+ goto done_mapping; -+ } -+ addr_max += PAGE_SIZE-1; -+ addr_max &= -PAGE_SIZE; -+ addr_min &= -PAGE_SIZE; -+ off_start &= -PAGE_SIZE; -+ map_len = addr_max - addr_min + off_start; -+ /* The first time, we map too much, possibly even more than -+ * the length of the file. This is okay because we will not -+ * use the invalid part; we just need to reserve the right -+ * amount of virtual address space to map over later. */ -+ map = DL_NOMMU_SUPPORT -+ ? mmap((void *)addr_min, map_len, PROT_READ|PROT_WRITE|PROT_EXEC, -+ MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) -+ : mmap((void *)addr_min, map_len, prot, -+ MAP_PRIVATE, fd, off_start); -+ if (map==MAP_FAILED) goto error; -+ dso->map = map; -+ dso->map_len = map_len; -+ /* If the loaded file is not relocatable and the requested address is -+ * not available, then the load operation must fail. */ -+ if (eh->e_type != ET_DYN && addr_min && map!=(void *)addr_min) { -+ errno = EBUSY; -+ goto error; -+ } -+ base = map - addr_min; -+ dso->phdr = 0; -+ dso->phnum = 0; -+ for (ph=ph0, i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) { -+ if (ph->p_type != PT_LOAD) continue; -+ /* Check if the programs headers are in this load segment, and -+ * if so, record the address for use by dl_iterate_phdr. */ -+ if (!dso->phdr && eh->e_phoff >= ph->p_offset -+ && eh->e_phoff+phsize <= ph->p_offset+ph->p_filesz) { -+ dso->phdr = (void *)(base + ph->p_vaddr -+ + (eh->e_phoff-ph->p_offset)); -+ dso->phnum = eh->e_phnum; -+ dso->phentsize = eh->e_phentsize; -+ } -+ /* Reuse the existing mapping for the lowest-address LOAD */ -+ if ((ph->p_vaddr & -PAGE_SIZE) == addr_min && !DL_NOMMU_SUPPORT) -+ continue; -+ this_min = ph->p_vaddr & -PAGE_SIZE; -+ this_max = ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE; -+ off_start = ph->p_offset & -PAGE_SIZE; -+ prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) | -+ ((ph->p_flags&PF_W) ? PROT_WRITE: 0) | -+ ((ph->p_flags&PF_X) ? PROT_EXEC : 0)); -+ if (mmap_fixed(base+this_min, this_max-this_min, prot, MAP_PRIVATE|MAP_FIXED, fd, off_start) == MAP_FAILED) -+ goto error; -+ if (ph->p_memsz > ph->p_filesz) { -+ size_t brk = (size_t)base+ph->p_vaddr+ph->p_filesz; -+ size_t pgbrk = brk+PAGE_SIZE-1 & -PAGE_SIZE; -+ memset((void *)brk, 0, pgbrk-brk & PAGE_SIZE-1); -+ if (pgbrk-(size_t)base < this_max && mmap_fixed((void *)pgbrk, (size_t)base+this_max-pgbrk, prot, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) == MAP_FAILED) -+ goto error; -+ } -+ } -+ for (i=0; ((size_t *)(base+dyn))[i]; i+=2) -+ if (((size_t *)(base+dyn))[i]==DT_TEXTREL) { -+ if (mprotect(map, map_len, PROT_READ|PROT_WRITE|PROT_EXEC) -+ && errno != ENOSYS) -+ goto error; -+ break; -+ } -+done_mapping: -+ dso->base = base; -+ dso->dynv = laddr(dso, dyn); -+ if (dso->tls.size) dso->tls.image = laddr(dso, tls_image); -+ if (!runtime) reclaim_gaps(dso); -+ free(allocated_buf); -+ return map; -+noexec: -+ errno = ENOEXEC; -+error: -+ if (map!=MAP_FAILED) unmap_library(dso); -+ free(allocated_buf); -+ return 0; -+} -+ -+static int path_open(const char *name, const char *s, char *buf, size_t buf_size) -+{ -+ size_t l; -+ int fd; -+ for (;;) { -+ s += strspn(s, ":\n"); -+ l = strcspn(s, ":\n"); -+ if (l-1 >= INT_MAX) return -1; -+ if (snprintf(buf, buf_size, "%.*s/%s", (int)l, s, name) < buf_size) { -+ if ((fd = open(buf, O_RDONLY|O_CLOEXEC))>=0) return fd; -+ switch (errno) { -+ case ENOENT: -+ case ENOTDIR: -+ case EACCES: -+ case ENAMETOOLONG: -+ break; -+ default: -+ /* Any negative value but -1 will inhibit -+ * futher path search. */ -+ return -2; -+ } -+ } -+ s += l; -+ } -+} -+ -+static int fixup_rpath(struct dso *p, char *buf, size_t buf_size) -+{ -+ size_t n, l; -+ const char *s, *t, *origin; -+ char *d; -+ if (p->rpath || !p->rpath_orig) return 0; -+ if (!strchr(p->rpath_orig, '$')) { -+ p->rpath = p->rpath_orig; -+ return 0; -+ } -+ n = 0; -+ s = p->rpath_orig; -+ while ((t=strchr(s, '$'))) { -+ if (strncmp(t, "$ORIGIN", 7) && strncmp(t, "${ORIGIN}", 9)) -+ return 0; -+ s = t+1; -+ n++; -+ } -+ if (n > SSIZE_MAX/PATH_MAX) return 0; -+ -+ if (p->kernel_mapped) { -+ /* $ORIGIN searches cannot be performed for the main program -+ * when it is suid/sgid/AT_SECURE. This is because the -+ * pathname is under the control of the caller of execve. -+ * For libraries, however, $ORIGIN can be processed safely -+ * since the library's pathname came from a trusted source -+ * (either system paths or a call to dlopen). */ -+ if (libc.secure) -+ return 0; -+ l = readlink("/proc/self/exe", buf, buf_size); -+ if (l == -1) switch (errno) { -+ case ENOENT: -+ case ENOTDIR: -+ case EACCES: -+ break; -+ default: -+ return -1; -+ } -+ if (l >= buf_size) -+ return 0; -+ buf[l] = 0; -+ origin = buf; -+ } else { -+ origin = p->name; -+ } -+ t = strrchr(origin, '/'); -+ l = t ? t-origin : 0; -+ p->rpath = malloc(strlen(p->rpath_orig) + n*l + 1); -+ if (!p->rpath) return -1; -+ -+ d = p->rpath; -+ s = p->rpath_orig; -+ while ((t=strchr(s, '$'))) { -+ memcpy(d, s, t-s); -+ d += t-s; -+ memcpy(d, origin, l); -+ d += l; -+ /* It was determined previously that the '$' is followed -+ * either by "ORIGIN" or "{ORIGIN}". */ -+ s = t + 7 + 2*(t[1]=='{'); -+ } -+ strcpy(d, s); -+ return 0; -+} -+ -+static void decode_dyn(struct dso *p) -+{ -+ size_t dyn[DYN_CNT]; -+ decode_vec(p->dynv, dyn, DYN_CNT); -+ p->syms = laddr(p, dyn[DT_SYMTAB]); -+ p->strings = laddr(p, dyn[DT_STRTAB]); -+ if (dyn[0]&(1<<DT_HASH)) -+ p->hashtab = laddr(p, dyn[DT_HASH]); -+ if (dyn[0]&(1<<DT_RPATH)) -+ p->rpath_orig = p->strings + dyn[DT_RPATH]; -+ if (dyn[0]&(1<<DT_RUNPATH)) -+ p->rpath_orig = p->strings + dyn[DT_RUNPATH]; -+ if (dyn[0]&(1<<DT_PLTGOT)) -+ p->got = laddr(p, dyn[DT_PLTGOT]); -+ if (search_vec(p->dynv, dyn, DT_GNU_HASH)) -+ p->ghashtab = laddr(p, *dyn); -+ if (search_vec(p->dynv, dyn, DT_VERSYM)) -+ p->versym = laddr(p, *dyn); -+} -+ -+static size_t count_syms(struct dso *p) -+{ -+ if (p->hashtab) return p->hashtab[1]; -+ -+ size_t nsym, i; -+ uint32_t *buckets = p->ghashtab + 4 + (p->ghashtab[2]*sizeof(size_t)/4); -+ uint32_t *hashval; -+ for (i = nsym = 0; i < p->ghashtab[0]; i++) { -+ if (buckets[i] > nsym) -+ nsym = buckets[i]; -+ } -+ if (nsym) { -+ hashval = buckets + p->ghashtab[0] + (nsym - p->ghashtab[1]); -+ do nsym++; -+ while (!(*hashval++ & 1)); -+ } -+ return nsym; -+} -+ -+static void *dl_mmap(size_t n) -+{ -+ void *p; -+ int prot = PROT_READ|PROT_WRITE, flags = MAP_ANONYMOUS|MAP_PRIVATE; -+#ifdef SYS_mmap2 -+ p = (void *)__syscall(SYS_mmap2, 0, n, prot, flags, -1, 0); -+#else -+ p = (void *)__syscall(SYS_mmap, 0, n, prot, flags, -1, 0); -+#endif -+ return p == MAP_FAILED ? 0 : p; -+} -+ -+static void makefuncdescs(struct dso *p) -+{ -+ static int self_done; -+ size_t nsym = count_syms(p); -+ size_t i, size = nsym * sizeof(*p->funcdescs); -+ -+ if (!self_done) { -+ p->funcdescs = dl_mmap(size); -+ self_done = 1; -+ } else { -+ p->funcdescs = malloc(size); -+ } -+ if (!p->funcdescs) { -+ if (!runtime) a_crash(); -+ error("Error allocating function descriptors for %s", p->name); -+ longjmp(*rtld_fail, 1); -+ } -+ for (i=0; i<nsym; i++) { -+ if ((p->syms[i].st_info&0xf)==STT_FUNC && p->syms[i].st_shndx) { -+ p->funcdescs[i].addr = laddr(p, p->syms[i].st_value); -+ p->funcdescs[i].got = p->got; -+ } else { -+ p->funcdescs[i].addr = 0; -+ p->funcdescs[i].got = 0; -+ } -+ } -+} -+ -+static struct dso *load_library(const char *name, struct dso *needed_by) -+{ -+ char buf[2*NAME_MAX+2]; -+ const char *pathname; -+ unsigned char *map; -+ struct dso *p, temp_dso = {0}; -+ int fd; -+ struct stat st; -+ size_t alloc_size; -+ int n_th = 0; -+ int is_self = 0; -+ -+ if (!*name) { -+ errno = EINVAL; -+ return 0; -+ } -+ -+ /* Catch and block attempts to reload the implementation itself */ -+ if (name[0]=='l' && name[1]=='i' && name[2]=='b') { -+ static const char *rp, reserved[] = -+ "c\0pthread\0rt\0m\0dl\0util\0xnet\0"; -+ char *z = strchr(name, '.'); -+ if (z) { -+ size_t l = z-name; -+ for (rp=reserved; *rp && strncmp(name+3, rp, l-3); rp+=strlen(rp)+1); -+ if (*rp) { -+ if (ldd_mode) { -+ /* Track which names have been resolved -+ * and only report each one once. */ -+ static unsigned reported; -+ unsigned mask = 1U<<(rp-reserved); -+ if (!(reported & mask)) { -+ reported |= mask; -+ dprintf(1, "\t%s => %s (%p)\n", -+ name, ldso.name, -+ ldso.base); -+ } -+ } -+ is_self = 1; -+ } -+ } -+ } -+ if (!strcmp(name, ldso.name)) is_self = 1; -+ if (is_self) { -+ if (!ldso.prev) { -+ tail->next = &ldso; -+ ldso.prev = tail; -+ tail = ldso.next ? ldso.next : &ldso; -+ } -+ return &ldso; -+ } -+ if (strchr(name, '/')) { -+ pathname = name; -+ fd = open(name, O_RDONLY|O_CLOEXEC); -+ } else { -+ /* Search for the name to see if it's already loaded */ -+ for (p=head->next; p; p=p->next) { -+ if (p->shortname && !strcmp(p->shortname, name)) { -+ p->refcnt++; -+ return p; -+ } -+ } -+ if (strlen(name) > NAME_MAX) return 0; -+ fd = -1; -+ if (env_path) fd = path_open(name, env_path, buf, sizeof buf); -+ for (p=needed_by; fd == -1 && p; p=p->needed_by) { -+ if (fixup_rpath(p, buf, sizeof buf) < 0) -+ fd = -2; /* Inhibit further search. */ -+ if (p->rpath) -+ fd = path_open(name, p->rpath, buf, sizeof buf); -+ } -+ if (fd == -1) { -+ if (!sys_path) { -+ char *prefix = 0; -+ size_t prefix_len; -+ if (ldso.name[0]=='/') { -+ char *s, *t, *z; -+ for (s=t=z=ldso.name; *s; s++) -+ if (*s=='/') z=t, t=s; -+ prefix_len = z-ldso.name; -+ if (prefix_len < PATH_MAX) -+ prefix = ldso.name; -+ } -+ if (!prefix) { -+ prefix = ""; -+ prefix_len = 0; -+ } -+ char etc_ldso_path[prefix_len + 1 -+ + sizeof "/etc/ld-musl-" LDSO_ARCH ".path"]; -+ snprintf(etc_ldso_path, sizeof etc_ldso_path, -+ "%.*s/etc/ld-musl-" LDSO_ARCH ".path", -+ (int)prefix_len, prefix); -+ FILE *f = fopen(etc_ldso_path, "rbe"); -+ if (f) { -+ if (getdelim(&sys_path, (size_t[1]){0}, 0, f) <= 0) { -+ free(sys_path); -+ sys_path = ""; -+ } -+ fclose(f); -+ } else if (errno != ENOENT) { -+ sys_path = ""; -+ } -+ } -+ if (!sys_path) sys_path = "/lib:/usr/local/lib:/usr/lib"; -+ fd = path_open(name, sys_path, buf, sizeof buf); -+ } -+ pathname = buf; -+ } -+ if (fd < 0) return 0; -+ if (fstat(fd, &st) < 0) { -+ close(fd); -+ return 0; -+ } -+ for (p=head->next; p; p=p->next) { -+ if (p->dev == st.st_dev && p->ino == st.st_ino) { -+ /* If this library was previously loaded with a -+ * pathname but a search found the same inode, -+ * setup its shortname so it can be found by name. */ -+ if (!p->shortname && pathname != name) -+ p->shortname = strrchr(p->name, '/')+1; -+ close(fd); -+ p->refcnt++; -+ return p; -+ } -+ } -+ map = noload ? 0 : map_library(fd, &temp_dso); -+ close(fd); -+ if (!map) return 0; -+ -+ /* Allocate storage for the new DSO. When there is TLS, this -+ * storage must include a reservation for all pre-existing -+ * threads to obtain copies of both the new TLS, and an -+ * extended DTV capable of storing an additional slot for -+ * the newly-loaded DSO. */ -+ alloc_size = sizeof *p + strlen(pathname) + 1; -+ if (runtime && temp_dso.tls.image) { -+ size_t per_th = temp_dso.tls.size + temp_dso.tls.align -+ + sizeof(void *) * (tls_cnt+3); -+ n_th = libc.threads_minus_1 + 1; -+ if (n_th > SSIZE_MAX / per_th) alloc_size = SIZE_MAX; -+ else alloc_size += n_th * per_th; -+ } -+ p = calloc(1, alloc_size); -+ if (!p) { -+ unmap_library(&temp_dso); -+ return 0; -+ } -+ memcpy(p, &temp_dso, sizeof temp_dso); -+ decode_dyn(p); -+ p->dev = st.st_dev; -+ p->ino = st.st_ino; -+ p->refcnt = 1; -+ p->needed_by = needed_by; -+ p->name = p->buf; -+ strcpy(p->name, pathname); -+ /* Add a shortname only if name arg was not an explicit pathname. */ -+ if (pathname != name) p->shortname = strrchr(p->name, '/')+1; -+ if (p->tls.image) { -+ p->tls_id = ++tls_cnt; -+ tls_align = MAXP2(tls_align, p->tls.align); -+#ifdef TLS_ABOVE_TP -+ p->tls.offset = tls_offset + ( (tls_align-1) & -+ -(tls_offset + (uintptr_t)p->tls.image) ); -+ tls_offset += p->tls.size; -+#else -+ tls_offset += p->tls.size + p->tls.align - 1; -+ tls_offset -= (tls_offset + (uintptr_t)p->tls.image) -+ & (p->tls.align-1); -+ p->tls.offset = tls_offset; -+#endif -+ p->new_dtv = (void *)(-sizeof(size_t) & -+ (uintptr_t)(p->name+strlen(p->name)+sizeof(size_t))); -+ p->new_tls = (void *)(p->new_dtv + n_th*(tls_cnt+1)); -+ if (tls_tail) tls_tail->next = &p->tls; -+ else libc.tls_head = &p->tls; -+ tls_tail = &p->tls; -+ } -+ -+ tail->next = p; -+ p->prev = tail; -+ tail = p; -+ -+ if (DL_FDPIC) makefuncdescs(p); -+ -+ if (ldd_mode) dprintf(1, "\t%s => %s (%p)\n", name, pathname, p->base); -+ -+ return p; -+} -+ -+static void load_deps(struct dso *p) -+{ -+ size_t i, ndeps=0; -+ struct dso ***deps = &p->deps, **tmp, *dep; -+ for (; p; p=p->next) { -+ for (i=0; p->dynv[i]; i+=2) { -+ if (p->dynv[i] != DT_NEEDED) continue; -+ dep = load_library(p->strings + p->dynv[i+1], p); -+ if (!dep) { -+ error("Error loading shared library %s: %m (needed by %s)", -+ p->strings + p->dynv[i+1], p->name); -+ if (runtime) longjmp(*rtld_fail, 1); -+ continue; -+ } -+ if (runtime) { -+ tmp = realloc(*deps, sizeof(*tmp)*(ndeps+2)); -+ if (!tmp) longjmp(*rtld_fail, 1); -+ tmp[ndeps++] = dep; -+ tmp[ndeps] = 0; -+ *deps = tmp; -+ } -+ } -+ } -+} -+ -+static void load_preload(char *s) -+{ -+ int tmp; -+ char *z; -+ for (z=s; *z; s=z) { -+ for ( ; *s && (isspace(*s) || *s==':'); s++); -+ for (z=s; *z && !isspace(*z) && *z!=':'; z++); -+ tmp = *z; -+ *z = 0; -+ load_library(s, 0); -+ *z = tmp; -+ } -+} -+ -+static void make_global(struct dso *p) -+{ -+ for (; p; p=p->next) p->global = 1; -+} -+ -+static void do_mips_relocs(struct dso *p, size_t *got) -+{ -+ size_t i, j, rel[2]; -+ unsigned char *base = p->base; -+ i=0; search_vec(p->dynv, &i, DT_MIPS_LOCAL_GOTNO); -+ if (p==&ldso) { -+ got += i; -+ } else { -+ while (i--) *got++ += (size_t)base; -+ } -+ j=0; search_vec(p->dynv, &j, DT_MIPS_GOTSYM); -+ i=0; search_vec(p->dynv, &i, DT_MIPS_SYMTABNO); -+ Sym *sym = p->syms + j; -+ rel[0] = (unsigned char *)got - base; -+ for (i-=j; i; i--, sym++, rel[0]+=sizeof(size_t)) { -+ rel[1] = sym-p->syms << 8 | R_MIPS_JUMP_SLOT; -+ do_relocs(p, rel, sizeof rel, 2); -+ } -+} -+ -+static void reloc_all(struct dso *p) -+{ -+ size_t dyn[DYN_CNT]; -+ for (; p; p=p->next) { -+ if (p->relocated) continue; -+ decode_vec(p->dynv, dyn, DYN_CNT); -+ if (NEED_MIPS_GOT_RELOCS) -+ do_mips_relocs(p, laddr(p, dyn[DT_PLTGOT])); -+ do_relocs(p, laddr(p, dyn[DT_JMPREL]), dyn[DT_PLTRELSZ], -+ 2+(dyn[DT_PLTREL]==DT_RELA)); -+ do_relocs(p, laddr(p, dyn[DT_REL]), dyn[DT_RELSZ], 2); -+ do_relocs(p, laddr(p, dyn[DT_RELA]), dyn[DT_RELASZ], 3); -+ -+ if (head != &ldso && p->relro_start != p->relro_end && -+ mprotect(laddr(p, p->relro_start), p->relro_end-p->relro_start, PROT_READ) -+ && errno != ENOSYS) { -+ error("Error relocating %s: RELRO protection failed: %m", -+ p->name); -+ if (runtime) longjmp(*rtld_fail, 1); -+ } -+ -+ p->relocated = 1; -+ } -+} -+ -+static void kernel_mapped_dso(struct dso *p) -+{ -+ size_t min_addr = -1, max_addr = 0, cnt; -+ Phdr *ph = p->phdr; -+ for (cnt = p->phnum; cnt--; ph = (void *)((char *)ph + p->phentsize)) { -+ if (ph->p_type == PT_DYNAMIC) { -+ p->dynv = laddr(p, ph->p_vaddr); -+ } else if (ph->p_type == PT_GNU_RELRO) { -+ p->relro_start = ph->p_vaddr & -PAGE_SIZE; -+ p->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE; -+ } -+ if (ph->p_type != PT_LOAD) continue; -+ if (ph->p_vaddr < min_addr) -+ min_addr = ph->p_vaddr; -+ if (ph->p_vaddr+ph->p_memsz > max_addr) -+ max_addr = ph->p_vaddr+ph->p_memsz; -+ } -+ min_addr &= -PAGE_SIZE; -+ max_addr = (max_addr + PAGE_SIZE-1) & -PAGE_SIZE; -+ p->map = p->base + min_addr; -+ p->map_len = max_addr - min_addr; -+ p->kernel_mapped = 1; -+} -+ -+void __libc_exit_fini() -+{ -+ struct dso *p; -+ size_t dyn[DYN_CNT]; -+ for (p=fini_head; p; p=p->fini_next) { -+ if (!p->constructed) continue; -+ decode_vec(p->dynv, dyn, DYN_CNT); -+ if (dyn[0] & (1<<DT_FINI_ARRAY)) { -+ size_t n = dyn[DT_FINI_ARRAYSZ]/sizeof(size_t); -+ size_t *fn = (size_t *)laddr(p, dyn[DT_FINI_ARRAY])+n; -+ while (n--) ((void (*)(void))*--fn)(); -+ } -+#ifndef NO_LEGACY_INITFINI -+ if ((dyn[0] & (1<<DT_FINI)) && dyn[DT_FINI]) -+ fpaddr(p, dyn[DT_FINI])(); -+#endif -+ } -+} -+ -+static void do_init_fini(struct dso *p) -+{ -+ size_t dyn[DYN_CNT]; -+ int need_locking = libc.threads_minus_1; -+ /* Allow recursive calls that arise when a library calls -+ * dlopen from one of its constructors, but block any -+ * other threads until all ctors have finished. */ -+ if (need_locking) pthread_mutex_lock(&init_fini_lock); -+ for (; p; p=p->prev) { -+ if (p->constructed) continue; -+ p->constructed = 1; -+ decode_vec(p->dynv, dyn, DYN_CNT); -+ if (dyn[0] & ((1<<DT_FINI) | (1<<DT_FINI_ARRAY))) { -+ p->fini_next = fini_head; -+ fini_head = p; -+ } -+#ifndef NO_LEGACY_INITFINI -+ if ((dyn[0] & (1<<DT_INIT)) && dyn[DT_INIT]) -+ fpaddr(p, dyn[DT_INIT])(); -+#endif -+ if (dyn[0] & (1<<DT_INIT_ARRAY)) { -+ size_t n = dyn[DT_INIT_ARRAYSZ]/sizeof(size_t); -+ size_t *fn = laddr(p, dyn[DT_INIT_ARRAY]); -+ while (n--) ((void (*)(void))*fn++)(); -+ } -+ if (!need_locking && libc.threads_minus_1) { -+ need_locking = 1; -+ pthread_mutex_lock(&init_fini_lock); -+ } -+ } -+ if (need_locking) pthread_mutex_unlock(&init_fini_lock); -+} -+ -+void __libc_start_init(void) -+{ -+ do_init_fini(tail); -+} -+ -+static void dl_debug_state(void) -+{ -+} -+ -+weak_alias(dl_debug_state, _dl_debug_state); -+ -+void __init_tls(size_t *auxv) -+{ -+} -+ -+__attribute__((__visibility__("hidden"))) -+void *__tls_get_new(size_t *v) -+{ -+ pthread_t self = __pthread_self(); -+ -+ /* Block signals to make accessing new TLS async-signal-safe */ -+ sigset_t set; -+ __block_all_sigs(&set); -+ if (v[0]<=(size_t)self->dtv[0]) { -+ __restore_sigs(&set); -+ return (char *)self->dtv[v[0]]+v[1]+DTP_OFFSET; -+ } -+ -+ /* This is safe without any locks held because, if the caller -+ * is able to request the Nth entry of the DTV, the DSO list -+ * must be valid at least that far out and it was synchronized -+ * at program startup or by an already-completed call to dlopen. */ -+ struct dso *p; -+ for (p=head; p->tls_id != v[0]; p=p->next); -+ -+ /* Get new DTV space from new DSO if needed */ -+ if (v[0] > (size_t)self->dtv[0]) { -+ void **newdtv = p->new_dtv + -+ (v[0]+1)*a_fetch_add(&p->new_dtv_idx,1); -+ memcpy(newdtv, self->dtv, -+ ((size_t)self->dtv[0]+1) * sizeof(void *)); -+ newdtv[0] = (void *)v[0]; -+ self->dtv = self->dtv_copy = newdtv; -+ } -+ -+ /* Get new TLS memory from all new DSOs up to the requested one */ -+ unsigned char *mem; -+ for (p=head; ; p=p->next) { -+ if (!p->tls_id || self->dtv[p->tls_id]) continue; -+ mem = p->new_tls + (p->tls.size + p->tls.align) -+ * a_fetch_add(&p->new_tls_idx,1); -+ mem += ((uintptr_t)p->tls.image - (uintptr_t)mem) -+ & (p->tls.align-1); -+ self->dtv[p->tls_id] = mem; -+ memcpy(mem, p->tls.image, p->tls.len); -+ if (p->tls_id == v[0]) break; -+ } -+ __restore_sigs(&set); -+ return mem + v[1] + DTP_OFFSET; -+} -+ -+static void update_tls_size() -+{ -+ libc.tls_cnt = tls_cnt; -+ libc.tls_align = tls_align; -+ libc.tls_size = ALIGN( -+ (1+tls_cnt) * sizeof(void *) + -+ tls_offset + -+ sizeof(struct pthread) + -+ tls_align * 2, -+ tls_align); -+} -+ -+/* Stage 1 of the dynamic linker is defined in dlstart.c. It calls the -+ * following stage 2 and stage 3 functions via primitive symbolic lookup -+ * since it does not have access to their addresses to begin with. */ -+ -+/* Stage 2 of the dynamic linker is called after relative relocations -+ * have been processed. It can make function calls to static functions -+ * and access string literals and static data, but cannot use extern -+ * symbols. Its job is to perform symbolic relocations on the dynamic -+ * linker itself, but some of the relocations performed may need to be -+ * replaced later due to copy relocations in the main program. */ -+ -+__attribute__((__visibility__("hidden"))) -+void __dls2(unsigned char *base, size_t *sp) -+{ -+ if (DL_FDPIC) { -+ void *p1 = (void *)sp[-2]; -+ void *p2 = (void *)sp[-1]; -+ if (!p1) { -+ size_t *auxv, aux[AUX_CNT]; -+ for (auxv=sp+1+*sp+1; *auxv; auxv++); auxv++; -+ decode_vec(auxv, aux, AUX_CNT); -+ if (aux[AT_BASE]) ldso.base = (void *)aux[AT_BASE]; -+ else ldso.base = (void *)(aux[AT_PHDR] & -4096); -+ } -+ app_loadmap = p2 ? p1 : 0; -+ ldso.loadmap = p2 ? p2 : p1; -+ ldso.base = laddr(&ldso, 0); -+ } else { -+ ldso.base = base; -+ } -+ Ehdr *ehdr = (void *)ldso.base; -+ ldso.name = ldso.shortname = "libc.so"; -+ ldso.global = 1; -+ ldso.phnum = ehdr->e_phnum; -+ ldso.phdr = laddr(&ldso, ehdr->e_phoff); -+ ldso.phentsize = ehdr->e_phentsize; -+ kernel_mapped_dso(&ldso); -+ decode_dyn(&ldso); -+ -+ if (DL_FDPIC) makefuncdescs(&ldso); -+ -+ /* Prepare storage for to save clobbered REL addends so they -+ * can be reused in stage 3. There should be very few. If -+ * something goes wrong and there are a huge number, abort -+ * instead of risking stack overflow. */ -+ size_t dyn[DYN_CNT]; -+ decode_vec(ldso.dynv, dyn, DYN_CNT); -+ size_t *rel = laddr(&ldso, dyn[DT_REL]); -+ size_t rel_size = dyn[DT_RELSZ]; -+ size_t symbolic_rel_cnt = 0; -+ apply_addends_to = rel; -+ for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t)) -+ if (!IS_RELATIVE(rel[1], ldso.syms)) symbolic_rel_cnt++; -+ if (symbolic_rel_cnt >= ADDEND_LIMIT) a_crash(); -+ size_t addends[symbolic_rel_cnt+1]; -+ saved_addends = addends; -+ -+ head = &ldso; -+ reloc_all(&ldso); -+ -+ ldso.relocated = 0; -+ -+ /* Call dynamic linker stage-3, __dls3, looking it up -+ * symbolically as a barrier against moving the address -+ * load across the above relocation processing. */ -+ struct symdef dls3_def = find_sym(&ldso, "__dls3", 0); -+ if (DL_FDPIC) ((stage3_func)&ldso.funcdescs[dls3_def.sym-ldso.syms])(sp); -+ else ((stage3_func)laddr(&ldso, dls3_def.sym->st_value))(sp); -+} -+ -+/* Stage 3 of the dynamic linker is called with the dynamic linker/libc -+ * fully functional. Its job is to load (if not already loaded) and -+ * process dependencies and relocations for the main application and -+ * transfer control to its entry point. */ -+ -+_Noreturn void __dls3(size_t *sp) -+{ -+ static struct dso app, vdso; -+ size_t aux[AUX_CNT], *auxv; -+ size_t i; -+ char *env_preload=0; -+ size_t vdso_base; -+ int argc = *sp; -+ char **argv = (void *)(sp+1); -+ char **argv_orig = argv; -+ char **envp = argv+argc+1; -+ -+ /* Find aux vector just past environ[] and use it to initialize -+ * global data that may be needed before we can make syscalls. */ -+ __environ = envp; -+ for (i=argc+1; argv[i]; i++); -+ libc.auxv = auxv = (void *)(argv+i+1); -+ decode_vec(auxv, aux, AUX_CNT); -+ __hwcap = aux[AT_HWCAP]; -+ libc.page_size = aux[AT_PAGESZ]; -+ libc.secure = ((aux[0]&0x7800)!=0x7800 || aux[AT_UID]!=aux[AT_EUID] -+ || aux[AT_GID]!=aux[AT_EGID] || aux[AT_SECURE]); -+ -+ /* Setup early thread pointer in builtin_tls for ldso/libc itself to -+ * use during dynamic linking. If possible it will also serve as the -+ * thread pointer at runtime. */ -+ libc.tls_size = sizeof builtin_tls; -+ libc.tls_align = tls_align; -+ if (__init_tp(__copy_tls((void *)builtin_tls)) < 0) { -+ a_crash(); -+ } -+ -+ /* Only trust user/env if kernel says we're not suid/sgid */ -+ if (!libc.secure) { -+ env_path = getenv("LD_LIBRARY_PATH"); -+ env_preload = getenv("LD_PRELOAD"); -+ } -+ -+ /* If the main program was already loaded by the kernel, -+ * AT_PHDR will point to some location other than the dynamic -+ * linker's program headers. */ -+ if (aux[AT_PHDR] != (size_t)ldso.phdr) { -+ size_t interp_off = 0; -+ size_t tls_image = 0; -+ /* Find load address of the main program, via AT_PHDR vs PT_PHDR. */ -+ Phdr *phdr = app.phdr = (void *)aux[AT_PHDR]; -+ app.phnum = aux[AT_PHNUM]; -+ app.phentsize = aux[AT_PHENT]; -+ for (i=aux[AT_PHNUM]; i; i--, phdr=(void *)((char *)phdr + aux[AT_PHENT])) { -+ if (phdr->p_type == PT_PHDR) -+ app.base = (void *)(aux[AT_PHDR] - phdr->p_vaddr); -+ else if (phdr->p_type == PT_INTERP) -+ interp_off = (size_t)phdr->p_vaddr; -+ else if (phdr->p_type == PT_TLS) { -+ tls_image = phdr->p_vaddr; -+ app.tls.len = phdr->p_filesz; -+ app.tls.size = phdr->p_memsz; -+ app.tls.align = phdr->p_align; -+ } -+ } -+ if (DL_FDPIC) app.loadmap = app_loadmap; -+ if (app.tls.size) app.tls.image = laddr(&app, tls_image); -+ if (interp_off) ldso.name = laddr(&app, interp_off); -+ if ((aux[0] & (1UL<<AT_EXECFN)) -+ && strncmp((char *)aux[AT_EXECFN], "/proc/", 6)) -+ app.name = (char *)aux[AT_EXECFN]; -+ else -+ app.name = argv[0]; -+ kernel_mapped_dso(&app); -+ } else { -+ int fd; -+ char *ldname = argv[0]; -+ size_t l = strlen(ldname); -+ if (l >= 3 && !strcmp(ldname+l-3, "ldd")) ldd_mode = 1; -+ argv++; -+ while (argv[0] && argv[0][0]=='-' && argv[0][1]=='-') { -+ char *opt = argv[0]+2; -+ *argv++ = (void *)-1; -+ if (!*opt) { -+ break; -+ } else if (!memcmp(opt, "list", 5)) { -+ ldd_mode = 1; -+ } else if (!memcmp(opt, "library-path", 12)) { -+ if (opt[12]=='=') env_path = opt+13; -+ else if (opt[12]) *argv = 0; -+ else if (*argv) env_path = *argv++; -+ } else if (!memcmp(opt, "preload", 7)) { -+ if (opt[7]=='=') env_preload = opt+8; -+ else if (opt[7]) *argv = 0; -+ else if (*argv) env_preload = *argv++; -+ } else { -+ argv[0] = 0; -+ } -+ } -+ argv[-1] = (void *)(argc - (argv-argv_orig)); -+ if (!argv[0]) { -+ dprintf(2, "musl libc (" LDSO_ARCH ")\n" -+ "Version %s\n" -+ "Dynamic Program Loader\n" -+ "Usage: %s [options] [--] pathname%s\n", -+ __libc_get_version(), ldname, -+ ldd_mode ? "" : " [args]"); -+ _exit(1); -+ } -+ fd = open(argv[0], O_RDONLY); -+ if (fd < 0) { -+ dprintf(2, "%s: cannot load %s: %s\n", ldname, argv[0], strerror(errno)); -+ _exit(1); -+ } -+ runtime = 1; -+ Ehdr *ehdr = (void *)map_library(fd, &app); -+ if (!ehdr) { -+ dprintf(2, "%s: %s: Not a valid dynamic program\n", ldname, argv[0]); -+ _exit(1); -+ } -+ runtime = 0; -+ close(fd); -+ ldso.name = ldname; -+ app.name = argv[0]; -+ aux[AT_ENTRY] = (size_t)laddr(&app, ehdr->e_entry); -+ /* Find the name that would have been used for the dynamic -+ * linker had ldd not taken its place. */ -+ if (ldd_mode) { -+ for (i=0; i<app.phnum; i++) { -+ if (app.phdr[i].p_type == PT_INTERP) -+ ldso.name = laddr(&app, app.phdr[i].p_vaddr); -+ } -+ dprintf(1, "\t%s (%p)\n", ldso.name, ldso.base); -+ } -+ } -+ if (app.tls.size) { -+ libc.tls_head = tls_tail = &app.tls; -+ app.tls_id = tls_cnt = 1; -+#ifdef TLS_ABOVE_TP -+ app.tls.offset = 0; -+ tls_offset = app.tls.size -+ + ( -((uintptr_t)app.tls.image + app.tls.size) -+ & (app.tls.align-1) ); -+#else -+ tls_offset = app.tls.offset = app.tls.size -+ + ( -((uintptr_t)app.tls.image + app.tls.size) -+ & (app.tls.align-1) ); -+#endif -+ tls_align = MAXP2(tls_align, app.tls.align); -+ } -+ app.global = 1; -+ decode_dyn(&app); -+ if (DL_FDPIC) { -+ makefuncdescs(&app); -+ if (!app.loadmap) { -+ app.loadmap = (void *)&app_dummy_loadmap; -+ app.loadmap->nsegs = 1; -+ app.loadmap->segs[0].addr = (size_t)app.map; -+ app.loadmap->segs[0].p_vaddr = (size_t)app.map -+ - (size_t)app.base; -+ app.loadmap->segs[0].p_memsz = app.map_len; -+ } -+ argv[-3] = (void *)app.loadmap; -+ } -+ -+ /* Attach to vdso, if provided by the kernel */ -+ if (search_vec(auxv, &vdso_base, AT_SYSINFO_EHDR)) { -+ Ehdr *ehdr = (void *)vdso_base; -+ Phdr *phdr = vdso.phdr = (void *)(vdso_base + ehdr->e_phoff); -+ vdso.phnum = ehdr->e_phnum; -+ vdso.phentsize = ehdr->e_phentsize; -+ for (i=ehdr->e_phnum; i; i--, phdr=(void *)((char *)phdr + ehdr->e_phentsize)) { -+ if (phdr->p_type == PT_DYNAMIC) -+ vdso.dynv = (void *)(vdso_base + phdr->p_offset); -+ if (phdr->p_type == PT_LOAD) -+ vdso.base = (void *)(vdso_base - phdr->p_vaddr + phdr->p_offset); -+ } -+ vdso.name = ""; -+ vdso.shortname = "linux-gate.so.1"; -+ vdso.global = 1; -+ vdso.relocated = 1; -+ decode_dyn(&vdso); -+ vdso.prev = &ldso; -+ ldso.next = &vdso; -+ } -+ -+ /* Initial dso chain consists only of the app. */ -+ head = tail = &app; -+ -+ /* Donate unused parts of app and library mapping to malloc */ -+ reclaim_gaps(&app); -+ reclaim_gaps(&ldso); -+ -+ /* Load preload/needed libraries, add their symbols to the global -+ * namespace, and perform all remaining relocations. */ -+ if (env_preload) load_preload(env_preload); -+ load_deps(&app); -+ make_global(&app); -+ -+#ifndef DYNAMIC_IS_RO -+ for (i=0; app.dynv[i]; i+=2) -+ if (app.dynv[i]==DT_DEBUG) -+ app.dynv[i+1] = (size_t)&debug; -+#endif -+ -+ /* The main program must be relocated LAST since it may contin -+ * copy relocations which depend on libraries' relocations. */ -+ reloc_all(app.next); -+ reloc_all(&app); -+ -+ update_tls_size(); -+ if (libc.tls_size > sizeof builtin_tls || tls_align > MIN_TLS_ALIGN) { -+ void *initial_tls = calloc(libc.tls_size, 1); -+ if (!initial_tls) { -+ dprintf(2, "%s: Error getting %zu bytes thread-local storage: %m\n", -+ argv[0], libc.tls_size); -+ _exit(127); -+ } -+ if (__init_tp(__copy_tls(initial_tls)) < 0) { -+ a_crash(); -+ } -+ } else { -+ size_t tmp_tls_size = libc.tls_size; -+ pthread_t self = __pthread_self(); -+ /* Temporarily set the tls size to the full size of -+ * builtin_tls so that __copy_tls will use the same layout -+ * as it did for before. Then check, just to be safe. */ -+ libc.tls_size = sizeof builtin_tls; -+ if (__copy_tls((void*)builtin_tls) != self) a_crash(); -+ libc.tls_size = tmp_tls_size; -+ } -+ static_tls_cnt = tls_cnt; -+ -+ if (ldso_fail) _exit(127); -+ if (ldd_mode) _exit(0); -+ -+ /* Switch to runtime mode: any further failures in the dynamic -+ * linker are a reportable failure rather than a fatal startup -+ * error. */ -+ runtime = 1; -+ -+ debug.ver = 1; -+ debug.bp = dl_debug_state; -+ debug.head = head; -+ debug.base = ldso.base; -+ debug.state = 0; -+ _dl_debug_state(); -+ -+ errno = 0; -+ -+ CRTJMP((void *)aux[AT_ENTRY], argv-1); -+ for(;;); -+} -+ -+void *dlopen(const char *file, int mode) -+{ -+ struct dso *volatile p, *orig_tail, *next; -+ struct tls_module *orig_tls_tail; -+ size_t orig_tls_cnt, orig_tls_offset, orig_tls_align; -+ size_t i; -+ int cs; -+ jmp_buf jb; -+ -+ if (!file) return head; -+ -+ pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); -+ pthread_rwlock_wrlock(&lock); -+ __inhibit_ptc(); -+ -+ p = 0; -+ orig_tls_tail = tls_tail; -+ orig_tls_cnt = tls_cnt; -+ orig_tls_offset = tls_offset; -+ orig_tls_align = tls_align; -+ orig_tail = tail; -+ noload = mode & RTLD_NOLOAD; -+ -+ rtld_fail = &jb; -+ if (setjmp(*rtld_fail)) { -+ /* Clean up anything new that was (partially) loaded */ -+ if (p && p->deps) for (i=0; p->deps[i]; i++) -+ if (p->deps[i]->global < 0) -+ p->deps[i]->global = 0; -+ for (p=orig_tail->next; p; p=next) { -+ next = p->next; -+ while (p->td_index) { -+ void *tmp = p->td_index->next; -+ free(p->td_index); -+ p->td_index = tmp; -+ } -+ free(p->funcdescs); -+ if (p->rpath != p->rpath_orig) -+ free(p->rpath); -+ free(p->deps); -+ unmap_library(p); -+ free(p); -+ } -+ if (!orig_tls_tail) libc.tls_head = 0; -+ tls_tail = orig_tls_tail; -+ tls_cnt = orig_tls_cnt; -+ tls_offset = orig_tls_offset; -+ tls_align = orig_tls_align; -+ tail = orig_tail; -+ tail->next = 0; -+ p = 0; -+ goto end; -+ } else p = load_library(file, head); -+ -+ if (!p) { -+ error(noload ? -+ "Library %s is not already loaded" : -+ "Error loading shared library %s: %m", -+ file); -+ goto end; -+ } -+ -+ /* First load handling */ -+ if (!p->deps) { -+ load_deps(p); -+ if (p->deps) for (i=0; p->deps[i]; i++) -+ if (!p->deps[i]->global) -+ p->deps[i]->global = -1; -+ if (!p->global) p->global = -1; -+ reloc_all(p); -+ if (p->deps) for (i=0; p->deps[i]; i++) -+ if (p->deps[i]->global < 0) -+ p->deps[i]->global = 0; -+ if (p->global < 0) p->global = 0; -+ } -+ -+ if (mode & RTLD_GLOBAL) { -+ if (p->deps) for (i=0; p->deps[i]; i++) -+ p->deps[i]->global = 1; -+ p->global = 1; -+ } -+ -+ update_tls_size(); -+ _dl_debug_state(); -+ orig_tail = tail; -+end: -+ __release_ptc(); -+ if (p) gencnt++; -+ pthread_rwlock_unlock(&lock); -+ if (p) do_init_fini(orig_tail); -+ pthread_setcancelstate(cs, 0); -+ return p; -+} -+ -+__attribute__((__visibility__("hidden"))) -+int __dl_invalid_handle(void *h) -+{ -+ struct dso *p; -+ for (p=head; p; p=p->next) if (h==p) return 0; -+ error("Invalid library handle %p", (void *)h); -+ return 1; -+} -+ -+static void *addr2dso(size_t a) -+{ -+ struct dso *p; -+ size_t i; -+ if (DL_FDPIC) for (p=head; p; p=p->next) { -+ i = count_syms(p); -+ if (a-(size_t)p->funcdescs < i*sizeof(*p->funcdescs)) -+ return p; -+ } -+ for (p=head; p; p=p->next) { -+ if (DL_FDPIC && p->loadmap) { -+ for (i=0; i<p->loadmap->nsegs; i++) { -+ if (a-p->loadmap->segs[i].p_vaddr -+ < p->loadmap->segs[i].p_memsz) -+ return p; -+ } -+ } else { -+ if (a-(size_t)p->map < p->map_len) -+ return p; -+ } -+ } -+ return 0; -+} -+ -+void *__tls_get_addr(size_t *); -+ -+static void *do_dlsym(struct dso *p, const char *s, void *ra) -+{ -+ size_t i; -+ uint32_t h = 0, gh = 0, *ght; -+ Sym *sym; -+ if (p == head || p == RTLD_DEFAULT || p == RTLD_NEXT) { -+ if (p == RTLD_DEFAULT) { -+ p = head; -+ } else if (p == RTLD_NEXT) { -+ p = addr2dso((size_t)ra); -+ if (!p) p=head; -+ p = p->next; -+ } -+ struct symdef def = find_sym(p, s, 0); -+ if (!def.sym) goto failed; -+ if ((def.sym->st_info&0xf) == STT_TLS) -+ return __tls_get_addr((size_t []){def.dso->tls_id, def.sym->st_value}); -+ if (DL_FDPIC && (def.sym->st_info&0xf) == STT_FUNC) -+ return def.dso->funcdescs + (def.sym - def.dso->syms); -+ return laddr(def.dso, def.sym->st_value); -+ } -+ if (__dl_invalid_handle(p)) -+ return 0; -+ if ((ght = p->ghashtab)) { -+ gh = gnu_hash(s); -+ sym = gnu_lookup(gh, ght, p, s); -+ } else { -+ h = sysv_hash(s); -+ sym = sysv_lookup(s, h, p); -+ } -+ if (sym && (sym->st_info&0xf) == STT_TLS) -+ return __tls_get_addr((size_t []){p->tls_id, sym->st_value}); -+ if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC) -+ return p->funcdescs + (sym - p->syms); -+ if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES)) -+ return laddr(p, sym->st_value); -+ if (p->deps) for (i=0; p->deps[i]; i++) { -+ if ((ght = p->deps[i]->ghashtab)) { -+ if (!gh) gh = gnu_hash(s); -+ sym = gnu_lookup(gh, ght, p->deps[i], s); -+ } else { -+ if (!h) h = sysv_hash(s); -+ sym = sysv_lookup(s, h, p->deps[i]); -+ } -+ if (sym && (sym->st_info&0xf) == STT_TLS) -+ return __tls_get_addr((size_t []){p->deps[i]->tls_id, sym->st_value}); -+ if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC) -+ return p->deps[i]->funcdescs + (sym - p->deps[i]->syms); -+ if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES)) -+ return laddr(p->deps[i], sym->st_value); -+ } -+failed: -+ error("Symbol not found: %s", s); -+ return 0; -+} -+ -+int dladdr(const void *addr, Dl_info *info) -+{ -+ struct dso *p; -+ Sym *sym, *bestsym; -+ uint32_t nsym; -+ char *strings; -+ void *best = 0; -+ -+ pthread_rwlock_rdlock(&lock); -+ p = addr2dso((size_t)addr); -+ pthread_rwlock_unlock(&lock); -+ -+ if (!p) return 0; -+ -+ sym = p->syms; -+ strings = p->strings; -+ nsym = count_syms(p); -+ -+ if (DL_FDPIC) { -+ size_t idx = ((size_t)addr-(size_t)p->funcdescs) -+ / sizeof(*p->funcdescs); -+ if (idx < nsym && (sym[idx].st_info&0xf) == STT_FUNC) { -+ best = p->funcdescs + idx; -+ bestsym = sym + idx; -+ } -+ } -+ -+ if (!best) for (; nsym; nsym--, sym++) { -+ if (sym->st_value -+ && (1<<(sym->st_info&0xf) & OK_TYPES) -+ && (1<<(sym->st_info>>4) & OK_BINDS)) { -+ void *symaddr = laddr(p, sym->st_value); -+ if (symaddr > addr || symaddr < best) -+ continue; -+ best = symaddr; -+ bestsym = sym; -+ if (addr == symaddr) -+ break; -+ } -+ } -+ -+ if (!best) return 0; -+ -+ if (DL_FDPIC && (bestsym->st_info&0xf) == STT_FUNC) -+ best = p->funcdescs + (bestsym - p->syms); -+ -+ info->dli_fname = p->name; -+ info->dli_fbase = p->base; -+ info->dli_sname = strings + bestsym->st_name; -+ info->dli_saddr = best; -+ -+ return 1; -+} -+ -+__attribute__((__visibility__("hidden"))) -+void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra) -+{ -+ void *res; -+ pthread_rwlock_rdlock(&lock); -+ res = do_dlsym(p, s, ra); -+ pthread_rwlock_unlock(&lock); -+ return res; -+} -+ -+int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data) -+{ -+ struct dso *current; -+ struct dl_phdr_info info; -+ int ret = 0; -+ for(current = head; current;) { -+ info.dlpi_addr = (uintptr_t)current->base; -+ info.dlpi_name = current->name; -+ info.dlpi_phdr = current->phdr; -+ info.dlpi_phnum = current->phnum; -+ info.dlpi_adds = gencnt; -+ info.dlpi_subs = 0; -+ info.dlpi_tls_modid = current->tls_id; -+ info.dlpi_tls_data = current->tls.image; -+ -+ ret = (callback)(&info, sizeof (info), data); -+ -+ if (ret != 0) break; -+ -+ pthread_rwlock_rdlock(&lock); -+ current = current->next; -+ pthread_rwlock_unlock(&lock); -+ } -+ return ret; -+} -+ -+__attribute__((__visibility__("hidden"))) -+void __dl_vseterr(const char *, va_list); -+ -+static void error(const char *fmt, ...) -+{ -+ va_list ap; -+ va_start(ap, fmt); -+ if (!runtime) { -+ vdprintf(2, fmt, ap); -+ dprintf(2, "\n"); -+ ldso_fail = 1; -+ va_end(ap); -+ return; -+ } -+ __dl_vseterr(fmt, ap); -+ va_end(ap); -+} ---- a/src/env/__init_tls.c -+++ b/src/env/__init_tls.c -@@ -8,9 +8,6 @@ - #include "atomic.h" - #include "syscall.h" - --#ifndef SHARED --static --#endif - int __init_tp(void *p) - { - pthread_t td = p; -@@ -24,8 +21,6 @@ int __init_tp(void *p) - return 0; - } - --#ifndef SHARED -- - static struct builtin_tls { - char c; - struct pthread pt; -@@ -33,33 +28,40 @@ static struct builtin_tls { - } builtin_tls[1]; - #define MIN_TLS_ALIGN offsetof(struct builtin_tls, pt) - --struct tls_image { -- void *image; -- size_t len, size, align; --} __static_tls; -- --#define T __static_tls -+static struct tls_module main_tls; - - void *__copy_tls(unsigned char *mem) - { - pthread_t td; -- if (!T.image) return mem; -- void **dtv = (void *)mem; -- dtv[0] = (void *)1; -+ struct tls_module *p; -+ size_t i; -+ void **dtv; -+ - #ifdef TLS_ABOVE_TP -- mem += sizeof(void *) * 2; -- mem += -((uintptr_t)mem + sizeof(struct pthread)) & (T.align-1); -+ dtv = (void **)(mem + libc.tls_size) - (libc.tls_cnt + 1); -+ -+ mem += -((uintptr_t)mem + sizeof(struct pthread)) & (libc.tls_align-1); - td = (pthread_t)mem; - mem += sizeof(struct pthread); -+ -+ for (i=1, p=libc.tls_head; p; i++, p=p->next) { -+ dtv[i] = mem + p->offset; -+ memcpy(dtv[i], p->image, p->len); -+ } - #else -+ dtv = (void **)mem; -+ - mem += libc.tls_size - sizeof(struct pthread); -- mem -= (uintptr_t)mem & (T.align-1); -+ mem -= (uintptr_t)mem & (libc.tls_align-1); - td = (pthread_t)mem; -- mem -= T.size; -+ -+ for (i=1, p=libc.tls_head; p; i++, p=p->next) { -+ dtv[i] = mem - p->offset; -+ memcpy(dtv[i], p->image, p->len); -+ } - #endif -+ dtv[0] = (void *)libc.tls_cnt; - td->dtv = td->dtv_copy = dtv; -- dtv[1] = mem; -- memcpy(mem, T.image, T.len); - return td; - } - -@@ -69,7 +71,7 @@ typedef Elf32_Phdr Phdr; - typedef Elf64_Phdr Phdr; - #endif - --void __init_tls(size_t *aux) -+static void static_init_tls(size_t *aux) - { - unsigned char *p; - size_t n; -@@ -86,16 +88,24 @@ void __init_tls(size_t *aux) - } - - if (tls_phdr) { -- T.image = (void *)(base + tls_phdr->p_vaddr); -- T.len = tls_phdr->p_filesz; -- T.size = tls_phdr->p_memsz; -- T.align = tls_phdr->p_align; -+ main_tls.image = (void *)(base + tls_phdr->p_vaddr); -+ main_tls.len = tls_phdr->p_filesz; -+ main_tls.size = tls_phdr->p_memsz; -+ main_tls.align = tls_phdr->p_align; -+ libc.tls_cnt = 1; -+ libc.tls_head = &main_tls; - } - -- T.size += (-T.size - (uintptr_t)T.image) & (T.align-1); -- if (T.align < MIN_TLS_ALIGN) T.align = MIN_TLS_ALIGN; -+ main_tls.size += (-main_tls.size - (uintptr_t)main_tls.image) -+ & (main_tls.align-1); -+ if (main_tls.align < MIN_TLS_ALIGN) main_tls.align = MIN_TLS_ALIGN; -+#ifndef TLS_ABOVE_TP -+ main_tls.offset = main_tls.size; -+#endif - -- libc.tls_size = 2*sizeof(void *)+T.size+T.align+sizeof(struct pthread) -+ libc.tls_align = main_tls.align; -+ libc.tls_size = 2*sizeof(void *) + sizeof(struct pthread) -+ + main_tls.size + main_tls.align - + MIN_TLS_ALIGN-1 & -MIN_TLS_ALIGN; - - if (libc.tls_size > sizeof builtin_tls) { -@@ -117,6 +127,5 @@ void __init_tls(size_t *aux) - if (__init_tp(__copy_tls(mem)) < 0) - a_crash(); - } --#else --void __init_tls(size_t *auxv) { } --#endif -+ -+weak_alias(static_init_tls, __init_tls); ---- a/src/env/__libc_start_main.c -+++ b/src/env/__libc_start_main.c -@@ -8,21 +8,17 @@ - - void __init_tls(size_t *); - --#ifndef SHARED --static void dummy() {} -+static void dummy(void) {} - weak_alias(dummy, _init); --extern void (*const __init_array_start)() __attribute__((weak)); --extern void (*const __init_array_end)() __attribute__((weak)); --#endif -+ -+__attribute__((__weak__, __visibility__("hidden"))) -+extern void (*const __init_array_start)(void), (*const __init_array_end)(void); - - static void dummy1(void *p) {} - weak_alias(dummy1, __init_ssp); - - #define AUX_CNT 38 - --#ifndef SHARED --static --#endif - void __init_libc(char **envp, char *pn) - { - size_t i, *auxv, aux[AUX_CNT] = { 0 }; -@@ -57,20 +53,22 @@ void __init_libc(char **envp, char *pn) - libc.secure = 1; - } - --int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv) -+static void libc_start_init(void) - { -- char **envp = argv+argc+1; -- --#ifndef SHARED -- __init_libc(envp, argv[0]); - _init(); - uintptr_t a = (uintptr_t)&__init_array_start; - for (; a<(uintptr_t)&__init_array_end; a+=sizeof(void(*)())) - (*(void (**)())a)(); --#else -- void __libc_start_init(void); -+} -+ -+weak_alias(libc_start_init, __libc_start_init); -+ -+int __libc_start_main(int (*main)(int,char **,char **), int argc, char **argv) -+{ -+ char **envp = argv+argc+1; -+ -+ __init_libc(envp, argv[0]); - __libc_start_init(); --#endif - - /* Pass control to the application */ - exit(main(argc, argv, envp)); ---- a/src/env/__reset_tls.c -+++ b/src/env/__reset_tls.c -@@ -1,21 +1,16 @@ --#ifndef SHARED -- - #include <string.h> - #include "pthread_impl.h" -- --extern struct tls_image { -- void *image; -- size_t len, size, align; --} __static_tls; -- --#define T __static_tls -+#include "libc.h" - - void __reset_tls() - { -- if (!T.size) return; - pthread_t self = __pthread_self(); -- memcpy(self->dtv[1], T.image, T.len); -- memset((char *)self->dtv[1]+T.len, 0, T.size-T.len); -+ struct tls_module *p; -+ size_t i, n = (size_t)self->dtv[0]; -+ if (n) for (p=libc.tls_head, i=1; i<=n; i++, p=p->next) { -+ if (!self->dtv[i]) continue; -+ memcpy(self->dtv[i], p->image, p->len); -+ memset((char *)self->dtv[i]+p->len, 0, -+ p->size - p->len); -+ } - } -- --#endif ---- a/src/env/__stack_chk_fail.c -+++ b/src/env/__stack_chk_fail.c -@@ -17,16 +17,7 @@ void __stack_chk_fail(void) - a_crash(); - } - --#ifdef SHARED -- - __attribute__((__visibility__("hidden"))) --void __stack_chk_fail_local(void) --{ -- a_crash(); --} -- --#else -+void __stack_chk_fail_local(void); - - weak_alias(__stack_chk_fail, __stack_chk_fail_local); -- --#endif ---- /dev/null -+++ b/src/exit/arm/__aeabi_atexit.c -@@ -0,0 +1,6 @@ -+int __cxa_atexit(void (*func)(void *), void *arg, void *dso); -+ -+int __aeabi_atexit (void *obj, void (*func) (void *), void *d) -+{ -+ return __cxa_atexit (func, obj, d); -+} ---- a/src/exit/exit.c -+++ b/src/exit/exit.c -@@ -10,25 +10,25 @@ static void dummy() - * as a consequence of linking either __toread.c or __towrite.c. */ - weak_alias(dummy, __funcs_on_exit); - weak_alias(dummy, __stdio_exit); -- --#ifndef SHARED - weak_alias(dummy, _fini); --extern void (*const __fini_array_start)() __attribute__((weak)); --extern void (*const __fini_array_end)() __attribute__((weak)); --#endif - --_Noreturn void exit(int code) --{ -- __funcs_on_exit(); -+__attribute__((__weak__, __visibility__("hidden"))) -+extern void (*const __fini_array_start)(void), (*const __fini_array_end)(void); - --#ifndef SHARED -+static void libc_exit_fini(void) -+{ - uintptr_t a = (uintptr_t)&__fini_array_end; - for (; a>(uintptr_t)&__fini_array_start; a-=sizeof(void(*)())) - (*(void (**)())(a-sizeof(void(*)())))(); - _fini(); --#endif -+} - -- __stdio_exit(); -+weak_alias(libc_exit_fini, __libc_exit_fini); - -+_Noreturn void exit(int code) -+{ -+ __funcs_on_exit(); -+ __libc_exit_fini(); -+ __stdio_exit(); - _Exit(code); - } ---- /dev/null -+++ b/src/fenv/arm/fenv-hf.S -@@ -0,0 +1,69 @@ -+#if __ARM_PCS_VFP -+ -+.syntax unified -+.fpu vfp -+ -+.global fegetround -+.type fegetround,%function -+fegetround: -+ fmrx r0, fpscr -+ and r0, r0, #0xc00000 -+ bx lr -+ -+.global __fesetround -+.type __fesetround,%function -+__fesetround: -+ fmrx r3, fpscr -+ bic r3, r3, #0xc00000 -+ orr r3, r3, r0 -+ fmxr fpscr, r3 -+ mov r0, #0 -+ bx lr -+ -+.global fetestexcept -+.type fetestexcept,%function -+fetestexcept: -+ and r0, r0, #0x1f -+ fmrx r3, fpscr -+ and r0, r0, r3 -+ bx lr -+ -+.global feclearexcept -+.type feclearexcept,%function -+feclearexcept: -+ and r0, r0, #0x1f -+ fmrx r3, fpscr -+ bic r3, r3, r0 -+ fmxr fpscr, r3 -+ mov r0, #0 -+ bx lr -+ -+.global feraiseexcept -+.type feraiseexcept,%function -+feraiseexcept: -+ and r0, r0, #0x1f -+ fmrx r3, fpscr -+ orr r3, r3, r0 -+ fmxr fpscr, r3 -+ mov r0, #0 -+ bx lr -+ -+.global fegetenv -+.type fegetenv,%function -+fegetenv: -+ fmrx r3, fpscr -+ str r3, [r0] -+ mov r0, #0 -+ bx lr -+ -+.global fesetenv -+.type fesetenv,%function -+fesetenv: -+ cmn r0, #1 -+ moveq r3, #0 -+ ldrne r3, [r0] -+ fmxr fpscr, r3 -+ mov r0, #0 -+ bx lr -+ -+#endif ---- /dev/null -+++ b/src/fenv/arm/fenv.c -@@ -0,0 +1,3 @@ -+#if !__ARM_PCS_VFP -+#include "../fenv.c" -+#endif ---- a/src/fenv/armebhf/fenv.sub -+++ /dev/null -@@ -1 +0,0 @@ --../armhf/fenv.s ---- a/src/fenv/armhf/fenv.s -+++ /dev/null -@@ -1,64 +0,0 @@ --.fpu vfp -- --.global fegetround --.type fegetround,%function --fegetround: -- mrc p10, 7, r0, cr1, cr0, 0 -- and r0, r0, #0xc00000 -- bx lr -- --.global __fesetround --.type __fesetround,%function --__fesetround: -- mrc p10, 7, r3, cr1, cr0, 0 -- bic r3, r3, #0xc00000 -- orr r3, r3, r0 -- mcr p10, 7, r3, cr1, cr0, 0 -- mov r0, #0 -- bx lr -- --.global fetestexcept --.type fetestexcept,%function --fetestexcept: -- and r0, r0, #0x1f -- mrc p10, 7, r3, cr1, cr0, 0 -- and r0, r0, r3 -- bx lr -- --.global feclearexcept --.type feclearexcept,%function --feclearexcept: -- and r0, r0, #0x1f -- mrc p10, 7, r3, cr1, cr0, 0 -- bic r3, r3, r0 -- mcr p10, 7, r3, cr1, cr0, 0 -- mov r0, #0 -- bx lr -- --.global feraiseexcept --.type feraiseexcept,%function --feraiseexcept: -- and r0, r0, #0x1f -- mrc p10, 7, r3, cr1, cr0, 0 -- orr r3, r3, r0 -- mcr p10, 7, r3, cr1, cr0, 0 -- mov r0, #0 -- bx lr -- --.global fegetenv --.type fegetenv,%function --fegetenv: -- mrc p10, 7, r3, cr1, cr0, 0 -- str r3, [r0] -- mov r0, #0 -- bx lr -- --.global fesetenv --.type fesetenv,%function --fesetenv: -- cmn r0, #1 -- moveq r3, #0 -- ldrne r3, [r0] -- mcr p10, 7, r3, cr1, cr0, 0 -- mov r0, #0 -- bx lr ---- a/src/fenv/armhf/fenv.sub -+++ /dev/null -@@ -1 +0,0 @@ --fenv.s ---- a/src/fenv/mips-sf/fenv.sub -+++ /dev/null -@@ -1 +0,0 @@ --../fenv.c ---- /dev/null -+++ b/src/fenv/mips/fenv-sf.c -@@ -0,0 +1,3 @@ -+#ifdef __mips_soft_float -+#include "../fenv.c" -+#endif ---- /dev/null -+++ b/src/fenv/mips/fenv.S -@@ -0,0 +1,71 @@ -+#ifndef __mips_soft_float -+ -+.set noreorder -+ -+.global feclearexcept -+.type feclearexcept,@function -+feclearexcept: -+ and $4, $4, 0x7c -+ cfc1 $5, $31 -+ or $5, $5, $4 -+ xor $5, $5, $4 -+ ctc1 $5, $31 -+ jr $ra -+ li $2, 0 -+ -+.global feraiseexcept -+.type feraiseexcept,@function -+feraiseexcept: -+ and $4, $4, 0x7c -+ cfc1 $5, $31 -+ or $5, $5, $4 -+ ctc1 $5, $31 -+ jr $ra -+ li $2, 0 -+ -+.global fetestexcept -+.type fetestexcept,@function -+fetestexcept: -+ and $4, $4, 0x7c -+ cfc1 $2, $31 -+ jr $ra -+ and $2, $2, $4 -+ -+.global fegetround -+.type fegetround,@function -+fegetround: -+ cfc1 $2, $31 -+ jr $ra -+ andi $2, $2, 3 -+ -+.global __fesetround -+.type __fesetround,@function -+__fesetround: -+ cfc1 $5, $31 -+ li $6, -4 -+ and $5, $5, $6 -+ or $5, $5, $4 -+ ctc1 $5, $31 -+ jr $ra -+ li $2, 0 -+ -+.global fegetenv -+.type fegetenv,@function -+fegetenv: -+ cfc1 $5, $31 -+ sw $5, 0($4) -+ jr $ra -+ li $2, 0 -+ -+.global fesetenv -+.type fesetenv,@function -+fesetenv: -+ addiu $5, $4, 1 -+ beq $5, $0, 1f -+ nop -+ lw $5, 0($4) -+1: ctc1 $5, $31 -+ jr $ra -+ li $2, 0 -+ -+#endif ---- a/src/fenv/mips/fenv.s -+++ /dev/null -@@ -1,67 +0,0 @@ --.set noreorder -- --.global feclearexcept --.type feclearexcept,@function --feclearexcept: -- and $4, $4, 0x7c -- cfc1 $5, $31 -- or $5, $5, $4 -- xor $5, $5, $4 -- ctc1 $5, $31 -- jr $ra -- li $2, 0 -- --.global feraiseexcept --.type feraiseexcept,@function --feraiseexcept: -- and $4, $4, 0x7c -- cfc1 $5, $31 -- or $5, $5, $4 -- ctc1 $5, $31 -- jr $ra -- li $2, 0 -- --.global fetestexcept --.type fetestexcept,@function --fetestexcept: -- and $4, $4, 0x7c -- cfc1 $2, $31 -- jr $ra -- and $2, $2, $4 -- --.global fegetround --.type fegetround,@function --fegetround: -- cfc1 $2, $31 -- jr $ra -- andi $2, $2, 3 -- --.global __fesetround --.type __fesetround,@function --__fesetround: -- cfc1 $5, $31 -- li $6, -4 -- and $5, $5, $6 -- or $5, $5, $4 -- ctc1 $5, $31 -- jr $ra -- li $2, 0 -- --.global fegetenv --.type fegetenv,@function --fegetenv: -- cfc1 $5, $31 -- sw $5, 0($4) -- jr $ra -- li $2, 0 -- --.global fesetenv --.type fesetenv,@function --fesetenv: -- addiu $5, $4, 1 -- beq $5, $0, 1f -- nop -- lw $5, 0($4) --1: ctc1 $5, $31 -- jr $ra -- li $2, 0 ---- a/src/fenv/mipsel-sf/fenv.sub -+++ /dev/null -@@ -1 +0,0 @@ --../fenv.c ---- a/src/fenv/sh-nofpu/fenv.sub -+++ /dev/null -@@ -1 +0,0 @@ --../fenv.c ---- /dev/null -+++ b/src/fenv/sh/fenv-nofpu.c -@@ -0,0 +1,3 @@ -+#if !__SH_FPU_ANY__ && !__SH4__ -+#include "../fenv.c" -+#endif ---- /dev/null -+++ b/src/fenv/sh/fenv.S -@@ -0,0 +1,78 @@ -+#if __SH_FPU_ANY__ || __SH4__ -+ -+.global fegetround -+.type fegetround, @function -+fegetround: -+ sts fpscr, r0 -+ rts -+ and #3, r0 -+ -+.global __fesetround -+.type __fesetround, @function -+__fesetround: -+ sts fpscr, r0 -+ or r4, r0 -+ lds r0, fpscr -+ rts -+ mov #0, r0 -+ -+.global fetestexcept -+.type fetestexcept, @function -+fetestexcept: -+ sts fpscr, r0 -+ and r4, r0 -+ rts -+ and #0x7c, r0 -+ -+.global feclearexcept -+.type feclearexcept, @function -+feclearexcept: -+ mov r4, r0 -+ and #0x7c, r0 -+ not r0, r4 -+ sts fpscr, r0 -+ and r4, r0 -+ lds r0, fpscr -+ rts -+ mov #0, r0 -+ -+.global feraiseexcept -+.type feraiseexcept, @function -+feraiseexcept: -+ mov r4, r0 -+ and #0x7c, r0 -+ sts fpscr, r4 -+ or r4, r0 -+ lds r0, fpscr -+ rts -+ mov #0, r0 -+ -+.global fegetenv -+.type fegetenv, @function -+fegetenv: -+ sts fpscr, r0 -+ mov.l r0, @r4 -+ rts -+ mov #0, r0 -+ -+.global fesetenv -+.type fesetenv, @function -+fesetenv: -+ mov r4, r0 -+ cmp/eq #-1, r0 -+ bf 1f -+ -+ ! the default environment is complicated by the fact that we need to -+ ! preserve the current precision bit, which we do not know a priori -+ sts fpscr, r0 -+ mov #8, r1 -+ swap.w r1, r1 -+ bra 2f -+ and r1, r0 -+ -+1: mov.l @r4, r0 ! non-default environment -+2: lds r0, fpscr -+ rts -+ mov #0, r0 -+ -+#endif ---- a/src/fenv/sh/fenv.s -+++ /dev/null -@@ -1,74 +0,0 @@ --.global fegetround --.type fegetround, @function --fegetround: -- sts fpscr, r0 -- rts -- and #3, r0 -- --.global __fesetround --.type __fesetround, @function --__fesetround: -- sts fpscr, r0 -- or r4, r0 -- lds r0, fpscr -- rts -- mov #0, r0 -- --.global fetestexcept --.type fetestexcept, @function --fetestexcept: -- sts fpscr, r0 -- and r4, r0 -- rts -- and #0x7c, r0 -- --.global feclearexcept --.type feclearexcept, @function --feclearexcept: -- mov r4, r0 -- and #0x7c, r0 -- not r0, r4 -- sts fpscr, r0 -- and r4, r0 -- lds r0, fpscr -- rts -- mov #0, r0 -- --.global feraiseexcept --.type feraiseexcept, @function --feraiseexcept: -- mov r4, r0 -- and #0x7c, r0 -- sts fpscr, r4 -- or r4, r0 -- lds r0, fpscr -- rts -- mov #0, r0 -- --.global fegetenv --.type fegetenv, @function --fegetenv: -- sts fpscr, r0 -- mov.l r0, @r4 -- rts -- mov #0, r0 -- --.global fesetenv --.type fesetenv, @function --fesetenv: -- mov r4, r0 -- cmp/eq #-1, r0 -- bf 1f -- -- ! the default environment is complicated by the fact that we need to -- ! preserve the current precision bit, which we do not know a priori -- sts fpscr, r0 -- mov #8, r1 -- swap.w r1, r1 -- bra 2f -- and r1, r0 -- --1: mov.l @r4, r0 ! non-default environment --2: lds r0, fpscr -- rts -- mov #0, r0 ---- a/src/fenv/sheb-nofpu/fenv.sub -+++ /dev/null -@@ -1 +0,0 @@ --../fenv.c ---- a/src/internal/arm/syscall.s -+++ b/src/internal/arm/syscall.s -@@ -1,3 +1,4 @@ -+.syntax unified - .global __syscall - .hidden __syscall - .type __syscall,%function -@@ -11,6 +12,4 @@ __syscall: - ldmfd ip,{r3,r4,r5,r6} - svc 0 - ldmfd sp!,{r4,r5,r6,r7} -- tst lr,#1 -- moveq pc,lr - bx lr ---- /dev/null -+++ b/src/internal/atomic.h -@@ -0,0 +1,275 @@ -+#ifndef _ATOMIC_H -+#define _ATOMIC_H -+ -+#include <stdint.h> -+ -+#include "atomic_arch.h" -+ -+#ifdef a_ll -+ -+#ifndef a_pre_llsc -+#define a_pre_llsc() -+#endif -+ -+#ifndef a_post_llsc -+#define a_post_llsc() -+#endif -+ -+#ifndef a_cas -+#define a_cas a_cas -+static inline int a_cas(volatile int *p, int t, int s) -+{ -+ int old; -+ a_pre_llsc(); -+ do old = a_ll(p); -+ while (old==t && !a_sc(p, s)); -+ a_post_llsc(); -+ return old; -+} -+#endif -+ -+#ifndef a_swap -+#define a_swap a_swap -+static inline int a_swap(volatile int *p, int v) -+{ -+ int old; -+ a_pre_llsc(); -+ do old = a_ll(p); -+ while (!a_sc(p, v)); -+ a_post_llsc(); -+ return old; -+} -+#endif -+ -+#ifndef a_fetch_add -+#define a_fetch_add a_fetch_add -+static inline int a_fetch_add(volatile int *p, int v) -+{ -+ int old; -+ a_pre_llsc(); -+ do old = a_ll(p); -+ while (!a_sc(p, (unsigned)old + v)); -+ a_post_llsc(); -+ return old; -+} -+#endif -+ -+#ifndef a_fetch_and -+#define a_fetch_and a_fetch_and -+static inline int a_fetch_and(volatile int *p, int v) -+{ -+ int old; -+ a_pre_llsc(); -+ do old = a_ll(p); -+ while (!a_sc(p, old & v)); -+ a_post_llsc(); -+ return old; -+} -+#endif -+ -+#ifndef a_fetch_or -+#define a_fetch_or a_fetch_or -+static inline int a_fetch_or(volatile int *p, int v) -+{ -+ int old; -+ a_pre_llsc(); -+ do old = a_ll(p); -+ while (!a_sc(p, old | v)); -+ a_post_llsc(); -+ return old; -+} -+#endif -+ -+#endif -+ -+#ifndef a_cas -+#error missing definition of a_cas -+#endif -+ -+#ifndef a_swap -+#define a_swap a_swap -+static inline int a_swap(volatile int *p, int v) -+{ -+ int old; -+ do old = *p; -+ while (a_cas(p, old, v) != old); -+ return old; -+} -+#endif -+ -+#ifndef a_fetch_add -+#define a_fetch_add a_fetch_add -+static inline int a_fetch_add(volatile int *p, int v) -+{ -+ int old; -+ do old = *p; -+ while (a_cas(p, old, (unsigned)old+v) != old); -+ return old; -+} -+#endif -+ -+#ifndef a_fetch_and -+#define a_fetch_and a_fetch_and -+static inline int a_fetch_and(volatile int *p, int v) -+{ -+ int old; -+ do old = *p; -+ while (a_cas(p, old, old&v) != old); -+ return old; -+} -+#endif -+#ifndef a_fetch_or -+#define a_fetch_or a_fetch_or -+static inline int a_fetch_or(volatile int *p, int v) -+{ -+ int old; -+ do old = *p; -+ while (a_cas(p, old, old|v) != old); -+ return old; -+} -+#endif -+ -+#ifndef a_and -+#define a_and a_and -+static inline void a_and(volatile int *p, int v) -+{ -+ a_fetch_and(p, v); -+} -+#endif -+ -+#ifndef a_or -+#define a_or a_or -+static inline void a_or(volatile int *p, int v) -+{ -+ a_fetch_or(p, v); -+} -+#endif -+ -+#ifndef a_inc -+#define a_inc a_inc -+static inline void a_inc(volatile int *p) -+{ -+ a_fetch_add(p, 1); -+} -+#endif -+ -+#ifndef a_dec -+#define a_dec a_dec -+static inline void a_dec(volatile int *p) -+{ -+ a_fetch_add(p, -1); -+} -+#endif -+ -+#ifndef a_store -+#define a_store a_store -+static inline void a_store(volatile int *p, int v) -+{ -+#ifdef a_barrier -+ a_barrier(); -+ *p = v; -+ a_barrier(); -+#else -+ a_swap(p, v); -+#endif -+} -+#endif -+ -+#ifndef a_barrier -+#define a_barrier a_barrier -+static void a_barrier() -+{ -+ volatile int tmp = 0; -+ a_cas(&tmp, 0, 0); -+} -+#endif -+ -+#ifndef a_spin -+#define a_spin a_barrier -+#endif -+ -+#ifndef a_and_64 -+#define a_and_64 a_and_64 -+static inline void a_and_64(volatile uint64_t *p, uint64_t v) -+{ -+ union { uint64_t v; uint32_t r[2]; } u = { v }; -+ if (u.r[0]+1) a_and((int *)p, u.r[0]); -+ if (u.r[1]+1) a_and((int *)p+1, u.r[1]); -+} -+#endif -+ -+#ifndef a_or_64 -+#define a_or_64 a_or_64 -+static inline void a_or_64(volatile uint64_t *p, uint64_t v) -+{ -+ union { uint64_t v; uint32_t r[2]; } u = { v }; -+ if (u.r[0]) a_or((int *)p, u.r[0]); -+ if (u.r[1]) a_or((int *)p+1, u.r[1]); -+} -+#endif -+ -+#ifndef a_cas_p -+#define a_cas_p a_cas_p -+static inline void *a_cas_p(volatile void *p, void *t, void *s) -+{ -+ return (void *)a_cas((volatile int *)p, (int)t, (int)s); -+} -+#endif -+ -+#ifndef a_or_l -+#define a_or_l a_or_l -+static inline void a_or_l(volatile void *p, long v) -+{ -+ if (sizeof(long) == sizeof(int)) a_or(p, v); -+ else a_or_64(p, v); -+} -+#endif -+ -+#ifndef a_crash -+#define a_crash a_crash -+static inline void a_crash() -+{ -+ *(volatile char *)0=0; -+} -+#endif -+ -+#ifndef a_ctz_64 -+#define a_ctz_64 a_ctz_64 -+static inline int a_ctz_64(uint64_t x) -+{ -+ static const char debruijn64[64] = { -+ 0, 1, 2, 53, 3, 7, 54, 27, 4, 38, 41, 8, 34, 55, 48, 28, -+ 62, 5, 39, 46, 44, 42, 22, 9, 24, 35, 59, 56, 49, 18, 29, 11, -+ 63, 52, 6, 26, 37, 40, 33, 47, 61, 45, 43, 21, 23, 58, 17, 10, -+ 51, 25, 36, 32, 60, 20, 57, 16, 50, 31, 19, 15, 30, 14, 13, 12 -+ }; -+ static const char debruijn32[32] = { -+ 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -+ 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -+ }; -+ if (sizeof(long) < 8) { -+ uint32_t y = x; -+ if (!y) { -+ y = x>>32; -+ return 32 + debruijn32[(y&-y)*0x076be629 >> 27]; -+ } -+ return debruijn32[(y&-y)*0x076be629 >> 27]; -+ } -+ return debruijn64[(x&-x)*0x022fdd63cc95386dull >> 58]; -+} -+#endif -+ -+#ifndef a_ctz_l -+#define a_ctz_l a_ctz_l -+static inline int a_ctz_l(unsigned long x) -+{ -+ static const char debruijn32[32] = { -+ 0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13, -+ 31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14 -+ }; -+ if (sizeof(long) == 8) return a_ctz_64(x); -+ return debruijn32[(x&-x)*0x076be629 >> 27]; -+} -+#endif -+ -+#endif ---- a/src/internal/dynlink.h -+++ b/src/internal/dynlink.h -@@ -64,6 +64,10 @@ struct fdpic_dummy_loadmap { - #define DL_FDPIC 0 - #endif - -+#ifndef DL_NOMMU_SUPPORT -+#define DL_NOMMU_SUPPORT 0 -+#endif -+ - #if !DL_FDPIC - #define IS_RELATIVE(x,s) ( \ - (R_TYPE(x) == REL_RELATIVE) || \ ---- a/src/internal/libc.h -+++ b/src/internal/libc.h -@@ -11,13 +11,20 @@ struct __locale_struct { - const struct __locale_map *volatile cat[6]; - }; - -+struct tls_module { -+ struct tls_module *next; -+ void *image; -+ size_t len, size, align, offset; -+}; -+ - struct __libc { - int can_do_threads; - int threaded; - int secure; - volatile int threads_minus_1; - size_t *auxv; -- size_t tls_size; -+ struct tls_module *tls_head; -+ size_t tls_size, tls_align, tls_cnt; - size_t page_size; - struct __locale_struct global_locale; - }; ---- /dev/null -+++ b/src/internal/sh/__shcall.c -@@ -0,0 +1,5 @@ -+__attribute__((__visibility__("hidden"))) -+int __shcall(void *arg, int (*func)(void *)) -+{ -+ return func(arg); -+} ---- a/src/internal/syscall.h -+++ b/src/internal/syscall.h -@@ -17,9 +17,7 @@ - typedef long syscall_arg_t; - #endif - --#ifdef SHARED - __attribute__((visibility("hidden"))) --#endif - long __syscall_ret(unsigned long), __syscall(syscall_arg_t, ...), - __syscall_cp(syscall_arg_t, syscall_arg_t, syscall_arg_t, syscall_arg_t, - syscall_arg_t, syscall_arg_t, syscall_arg_t); -@@ -65,7 +63,7 @@ long __syscall_ret(unsigned long), __sys - #define __syscall_cp(...) __SYSCALL_DISP(__syscall_cp,__VA_ARGS__) - #define syscall_cp(...) __syscall_ret(__syscall_cp(__VA_ARGS__)) - --#ifdef SYS_socket -+#ifndef SYSCALL_USE_SOCKETCALL - #define __socketcall(nm,a,b,c,d,e,f) syscall(SYS_##nm, a, b, c, d, e, f) - #define __socketcall_cp(nm,a,b,c,d,e,f) syscall_cp(SYS_##nm, a, b, c, d, e, f) - #else ---- a/src/internal/version.c -+++ b/src/internal/version.c -@@ -1,12 +1,9 @@ --#ifdef SHARED -- - #include "version.h" - - static const char version[] = VERSION; - -+__attribute__((__visibility__("hidden"))) - const char *__libc_get_version() - { - return version; - } -- --#endif ---- a/src/internal/vis.h -+++ b/src/internal/vis.h -@@ -4,10 +4,9 @@ - * override default visibilities to reduce the size and performance costs - * of position-independent code. */ - --#ifndef CRT --#ifdef SHARED -+#if !defined(CRT) && !defined(__ASSEMBLER__) - --/* For shared libc.so, all symbols should be protected, but some toolchains -+/* Conceptually, all symbols should be protected, but some toolchains - * fail to support copy relocations for protected data, so exclude all - * exported data symbols. */ - -@@ -25,16 +24,4 @@ extern char *optarg, **environ, **__envi - - #pragma GCC visibility push(protected) - --#elif defined(__PIC__) -- --/* If building static libc.a as position-independent code, try to make -- * everything hidden except possibly-undefined weak references. */ -- --__attribute__((__visibility__("default"))) --extern void (*const __init_array_start)(), (*const __init_array_end)(), -- (*const __fini_array_start)(), (*const __fini_array_end)(); -- --#pragma GCC visibility push(hidden) -- --#endif - #endif ---- /dev/null -+++ b/src/ldso/__dlsym.c -@@ -0,0 +1,13 @@ -+#include <dlfcn.h> -+#include "libc.h" -+ -+__attribute__((__visibility__("hidden"))) -+void __dl_seterr(const char *, ...); -+ -+static void *stub_dlsym(void *restrict p, const char *restrict s, void *restrict ra) -+{ -+ __dl_seterr("Symbol not found: %s", s); -+ return 0; -+} -+ -+weak_alias(stub_dlsym, __dlsym); ---- a/src/ldso/arm/dlsym.s -+++ b/src/ldso/arm/dlsym.s -@@ -1,3 +1,4 @@ -+.syntax unified - .text - .global dlsym - .hidden __dlsym ---- /dev/null -+++ b/src/ldso/arm/find_exidx.c -@@ -0,0 +1,42 @@ -+#define _GNU_SOURCE -+#include <link.h> -+#include <stdint.h> -+ -+struct find_exidx_data { -+ uintptr_t pc, exidx_start; -+ int exidx_len; -+}; -+ -+static int find_exidx(struct dl_phdr_info *info, size_t size, void *ptr) -+{ -+ struct find_exidx_data *data = ptr; -+ const ElfW(Phdr) *phdr = info->dlpi_phdr; -+ uintptr_t addr, exidx_start = 0; -+ int i, match = 0, exidx_len = 0; -+ -+ for (i = info->dlpi_phnum; i > 0; i--, phdr++) { -+ addr = info->dlpi_addr + phdr->p_vaddr; -+ switch (phdr->p_type) { -+ case PT_LOAD: -+ match |= data->pc >= addr && data->pc < addr + phdr->p_memsz; -+ break; -+ case PT_ARM_EXIDX: -+ exidx_start = addr; -+ exidx_len = phdr->p_memsz; -+ break; -+ } -+ } -+ data->exidx_start = exidx_start; -+ data->exidx_len = exidx_len; -+ return match; -+} -+ -+uintptr_t __gnu_Unwind_Find_exidx(uintptr_t pc, int *pcount) -+{ -+ struct find_exidx_data data; -+ data.pc = pc; -+ if (dl_iterate_phdr(find_exidx, &data) <= 0) -+ return 0; -+ *pcount = data.exidx_len / 8; -+ return data.exidx_start; -+} ---- a/src/ldso/dl_iterate_phdr.c -+++ b/src/ldso/dl_iterate_phdr.c -@@ -1,12 +1,10 @@ --#ifndef SHARED -- - #include <elf.h> - #include <link.h> - #include "libc.h" - - #define AUX_CNT 38 - --int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data) -+static int static_dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data) - { - unsigned char *p; - ElfW(Phdr) *phdr, *tls_phdr=0; -@@ -40,4 +38,5 @@ int dl_iterate_phdr(int(*callback)(struc - } - return (callback)(&info, sizeof (info), data); - } --#endif -+ -+weak_alias(static_dl_iterate_phdr, dl_iterate_phdr); ---- a/src/ldso/dladdr.c -+++ b/src/ldso/dladdr.c -@@ -1,9 +1,10 @@ - #define _GNU_SOURCE - #include <dlfcn.h> -+#include "libc.h" - --int __dladdr(const void *, Dl_info *); -- --int dladdr(const void *addr, Dl_info *info) -+static int stub_dladdr(const void *addr, Dl_info *info) - { -- return __dladdr(addr, info); -+ return 0; - } -+ -+weak_alias(stub_dladdr, dladdr); ---- /dev/null -+++ b/src/ldso/dlclose.c -@@ -0,0 +1,9 @@ -+#include <dlfcn.h> -+ -+__attribute__((__visibility__("hidden"))) -+int __dl_invalid_handle(void *); -+ -+int dlclose(void *p) -+{ -+ return __dl_invalid_handle(p); -+} ---- /dev/null -+++ b/src/ldso/dlerror.c -@@ -0,0 +1,64 @@ -+#include <dlfcn.h> -+#include <stdlib.h> -+#include <stdarg.h> -+#include "pthread_impl.h" -+#include "libc.h" -+ -+char *dlerror() -+{ -+ pthread_t self = __pthread_self(); -+ if (!self->dlerror_flag) return 0; -+ self->dlerror_flag = 0; -+ char *s = self->dlerror_buf; -+ if (s == (void *)-1) -+ return "Dynamic linker failed to allocate memory for error message"; -+ else -+ return s; -+} -+ -+void __dl_thread_cleanup(void) -+{ -+ pthread_t self = __pthread_self(); -+ if (self->dlerror_buf != (void *)-1) -+ free(self->dlerror_buf); -+} -+ -+__attribute__((__visibility__("hidden"))) -+void __dl_vseterr(const char *fmt, va_list ap) -+{ -+ va_list ap2; -+ va_copy(ap2, ap); -+ pthread_t self = __pthread_self(); -+ if (self->dlerror_buf != (void *)-1) -+ free(self->dlerror_buf); -+ size_t len = vsnprintf(0, 0, fmt, ap2); -+ va_end(ap2); -+ char *buf = malloc(len+1); -+ if (buf) { -+ vsnprintf(buf, len+1, fmt, ap); -+ } else { -+ buf = (void *)-1; -+ } -+ self->dlerror_buf = buf; -+ self->dlerror_flag = 1; -+} -+ -+__attribute__((__visibility__("hidden"))) -+void __dl_seterr(const char *fmt, ...) -+{ -+ va_list ap; -+ va_start(ap, fmt); -+ __dl_vseterr(fmt, ap); -+ va_end(ap); -+} -+ -+__attribute__((__visibility__("hidden"))) -+int __dl_invalid_handle(void *); -+ -+static int stub_invalid_handle(void *h) -+{ -+ __dl_seterr("Invalid library handle %p", (void *)h); -+ return 1; -+} -+ -+weak_alias(stub_invalid_handle, __dl_invalid_handle); ---- a/src/ldso/dlinfo.c -+++ b/src/ldso/dlinfo.c -@@ -1,9 +1,19 @@ - #define _GNU_SOURCE - #include <dlfcn.h> - --int __dlinfo(void *, int, void *); -+__attribute__((__visibility__("hidden"))) -+int __dl_invalid_handle(void *); -+ -+__attribute__((__visibility__("hidden"))) -+void __dl_seterr(const char *, ...); - - int dlinfo(void *dso, int req, void *res) - { -- return __dlinfo(dso, req, res); -+ if (__dl_invalid_handle(dso)) return -1; -+ if (req != RTLD_DI_LINKMAP) { -+ __dl_seterr("Unsupported request %d", req); -+ return -1; -+ } -+ *(struct link_map **)res = dso; -+ return 0; - } ---- /dev/null -+++ b/src/ldso/dlopen.c -@@ -0,0 +1,13 @@ -+#include <dlfcn.h> -+#include "libc.h" -+ -+__attribute__((__visibility__("hidden"))) -+void __dl_seterr(const char *, ...); -+ -+static void *stub_dlopen(const char *file, int mode) -+{ -+ __dl_seterr("Dynamic loading not supported"); -+ return 0; -+} -+ -+weak_alias(stub_dlopen, dlopen); ---- a/src/ldso/dlstart.c -+++ /dev/null -@@ -1,150 +0,0 @@ --#include <stddef.h> --#include "dynlink.h" -- --#ifdef SHARED -- --#ifndef START --#define START "_dlstart" --#endif -- --#include "crt_arch.h" -- --#ifndef GETFUNCSYM --#define GETFUNCSYM(fp, sym, got) do { \ -- __attribute__((__visibility__("hidden"))) void sym(); \ -- static void (*static_func_ptr)() = sym; \ -- __asm__ __volatile__ ( "" : "+m"(static_func_ptr) : : "memory"); \ -- *(fp) = static_func_ptr; } while(0) --#endif -- --__attribute__((__visibility__("hidden"))) --void _dlstart_c(size_t *sp, size_t *dynv) --{ -- size_t i, aux[AUX_CNT], dyn[DYN_CNT]; -- size_t *rel, rel_size, base; -- -- int argc = *sp; -- char **argv = (void *)(sp+1); -- -- for (i=argc+1; argv[i]; i++); -- size_t *auxv = (void *)(argv+i+1); -- -- for (i=0; i<AUX_CNT; i++) aux[i] = 0; -- for (i=0; auxv[i]; i+=2) if (auxv[i]<AUX_CNT) -- aux[auxv[i]] = auxv[i+1]; -- --#if DL_FDPIC -- struct fdpic_loadseg *segs, fakeseg; -- size_t j; -- if (dynv) { -- /* crt_arch.h entry point asm is responsible for reserving -- * space and moving the extra fdpic arguments to the stack -- * vector where they are easily accessible from C. */ -- segs = ((struct fdpic_loadmap *)(sp[-1] ? sp[-1] : sp[-2]))->segs; -- } else { -- /* If dynv is null, the entry point was started from loader -- * that is not fdpic-aware. We can assume normal fixed- -- * displacement ELF loading was performed, but when ldso was -- * run as a command, finding the Ehdr is a heursitic: we -- * have to assume Phdrs start in the first 4k of the file. */ -- base = aux[AT_BASE]; -- if (!base) base = aux[AT_PHDR] & -4096; -- segs = &fakeseg; -- segs[0].addr = base; -- segs[0].p_vaddr = 0; -- segs[0].p_memsz = -1; -- Ehdr *eh = (void *)base; -- Phdr *ph = (void *)(base + eh->e_phoff); -- size_t phnum = eh->e_phnum; -- size_t phent = eh->e_phentsize; -- while (phnum-- && ph->p_type != PT_DYNAMIC) -- ph = (void *)((size_t)ph + phent); -- dynv = (void *)(base + ph->p_vaddr); -- } --#endif -- -- for (i=0; i<DYN_CNT; i++) dyn[i] = 0; -- for (i=0; dynv[i]; i+=2) if (dynv[i]<DYN_CNT) -- dyn[dynv[i]] = dynv[i+1]; -- --#if DL_FDPIC -- for (i=0; i<DYN_CNT; i++) { -- if (i==DT_RELASZ || i==DT_RELSZ) continue; -- if (!dyn[i]) continue; -- for (j=0; dyn[i]-segs[j].p_vaddr >= segs[j].p_memsz; j++); -- dyn[i] += segs[j].addr - segs[j].p_vaddr; -- } -- base = 0; -- -- const Sym *syms = (void *)dyn[DT_SYMTAB]; -- -- rel = (void *)dyn[DT_RELA]; -- rel_size = dyn[DT_RELASZ]; -- for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) { -- if (!IS_RELATIVE(rel[1], syms)) continue; -- for (j=0; rel[0]-segs[j].p_vaddr >= segs[j].p_memsz; j++); -- size_t *rel_addr = (void *) -- (rel[0] + segs[j].addr - segs[j].p_vaddr); -- if (R_TYPE(rel[1]) == REL_FUNCDESC_VAL) { -- *rel_addr += segs[rel_addr[1]].addr -- - segs[rel_addr[1]].p_vaddr -- + syms[R_SYM(rel[1])].st_value; -- rel_addr[1] = dyn[DT_PLTGOT]; -- } else { -- size_t val = syms[R_SYM(rel[1])].st_value; -- for (j=0; val-segs[j].p_vaddr >= segs[j].p_memsz; j++); -- *rel_addr = rel[2] + segs[j].addr - segs[j].p_vaddr + val; -- } -- } --#else -- /* If the dynamic linker is invoked as a command, its load -- * address is not available in the aux vector. Instead, compute -- * the load address as the difference between &_DYNAMIC and the -- * virtual address in the PT_DYNAMIC program header. */ -- base = aux[AT_BASE]; -- if (!base) { -- size_t phnum = aux[AT_PHNUM]; -- size_t phentsize = aux[AT_PHENT]; -- Phdr *ph = (void *)aux[AT_PHDR]; -- for (i=phnum; i--; ph = (void *)((char *)ph + phentsize)) { -- if (ph->p_type == PT_DYNAMIC) { -- base = (size_t)dynv - ph->p_vaddr; -- break; -- } -- } -- } -- -- /* MIPS uses an ugly packed form for GOT relocations. Since we -- * can't make function calls yet and the code is tiny anyway, -- * it's simply inlined here. */ -- if (NEED_MIPS_GOT_RELOCS) { -- size_t local_cnt = 0; -- size_t *got = (void *)(base + dyn[DT_PLTGOT]); -- for (i=0; dynv[i]; i+=2) if (dynv[i]==DT_MIPS_LOCAL_GOTNO) -- local_cnt = dynv[i+1]; -- for (i=0; i<local_cnt; i++) got[i] += base; -- } -- -- rel = (void *)(base+dyn[DT_REL]); -- rel_size = dyn[DT_RELSZ]; -- for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t)) { -- if (!IS_RELATIVE(rel[1], 0)) continue; -- size_t *rel_addr = (void *)(base + rel[0]); -- *rel_addr += base; -- } -- -- rel = (void *)(base+dyn[DT_RELA]); -- rel_size = dyn[DT_RELASZ]; -- for (; rel_size; rel+=3, rel_size-=3*sizeof(size_t)) { -- if (!IS_RELATIVE(rel[1], 0)) continue; -- size_t *rel_addr = (void *)(base + rel[0]); -- *rel_addr = base + rel[2]; -- } --#endif -- -- stage2_func dls2; -- GETFUNCSYM(&dls2, __dls2, base+dyn[DT_PLTGOT]); -- dls2((void *)base, sp); --} -- --#endif ---- a/src/ldso/dynlink.c -+++ /dev/null -@@ -1,2000 +0,0 @@ --#define _GNU_SOURCE --#include <stdio.h> --#include <stdlib.h> --#include <stdarg.h> --#include <stddef.h> --#include <string.h> --#include <unistd.h> --#include <stdint.h> --#include <elf.h> --#include <sys/mman.h> --#include <limits.h> --#include <fcntl.h> --#include <sys/stat.h> --#include <errno.h> --#include <link.h> --#include <setjmp.h> --#include <pthread.h> --#include <ctype.h> --#include <dlfcn.h> --#include "pthread_impl.h" --#include "libc.h" --#include "dynlink.h" -- --static void error(const char *, ...); -- --#ifdef SHARED -- --#define MAXP2(a,b) (-(-(a)&-(b))) --#define ALIGN(x,y) ((x)+(y)-1 & -(y)) -- --struct debug { -- int ver; -- void *head; -- void (*bp)(void); -- int state; -- void *base; --}; -- --struct td_index { -- size_t args[2]; -- struct td_index *next; --}; -- --struct dso { --#if DL_FDPIC -- struct fdpic_loadmap *loadmap; --#else -- unsigned char *base; --#endif -- char *name; -- size_t *dynv; -- struct dso *next, *prev; -- -- Phdr *phdr; -- int phnum; -- size_t phentsize; -- int refcnt; -- Sym *syms; -- uint32_t *hashtab; -- uint32_t *ghashtab; -- int16_t *versym; -- char *strings; -- unsigned char *map; -- size_t map_len; -- dev_t dev; -- ino_t ino; -- signed char global; -- char relocated; -- char constructed; -- char kernel_mapped; -- struct dso **deps, *needed_by; -- char *rpath_orig, *rpath; -- void *tls_image; -- size_t tls_len, tls_size, tls_align, tls_id, tls_offset; -- size_t relro_start, relro_end; -- void **new_dtv; -- unsigned char *new_tls; -- volatile int new_dtv_idx, new_tls_idx; -- struct td_index *td_index; -- struct dso *fini_next; -- char *shortname; --#if DL_FDPIC -- unsigned char *base; --#else -- struct fdpic_loadmap *loadmap; --#endif -- struct funcdesc { -- void *addr; -- size_t *got; -- } *funcdescs; -- size_t *got; -- char buf[]; --}; -- --struct symdef { -- Sym *sym; -- struct dso *dso; --}; -- --int __init_tp(void *); --void __init_libc(char **, char *); -- --const char *__libc_get_version(void); -- --static struct builtin_tls { -- char c; -- struct pthread pt; -- void *space[16]; --} builtin_tls[1]; --#define MIN_TLS_ALIGN offsetof(struct builtin_tls, pt) -- --#define ADDEND_LIMIT 4096 --static size_t *saved_addends, *apply_addends_to; -- --static struct dso ldso; --static struct dso *head, *tail, *fini_head; --static char *env_path, *sys_path; --static unsigned long long gencnt; --static int runtime; --static int ldd_mode; --static int ldso_fail; --static int noload; --static jmp_buf *rtld_fail; --static pthread_rwlock_t lock; --static struct debug debug; --static size_t tls_cnt, tls_offset, tls_align = MIN_TLS_ALIGN; --static size_t static_tls_cnt; --static pthread_mutex_t init_fini_lock = { ._m_type = PTHREAD_MUTEX_RECURSIVE }; --static struct fdpic_loadmap *app_loadmap; --static struct fdpic_dummy_loadmap app_dummy_loadmap; -- --struct debug *_dl_debug_addr = &debug; -- --static int dl_strcmp(const char *l, const char *r) --{ -- for (; *l==*r && *l; l++, r++); -- return *(unsigned char *)l - *(unsigned char *)r; --} --#define strcmp(l,r) dl_strcmp(l,r) -- --/* Compute load address for a virtual address in a given dso. */ --#if DL_FDPIC --static void *laddr(const struct dso *p, size_t v) --{ -- size_t j=0; -- if (!p->loadmap) return p->base + v; -- for (j=0; v-p->loadmap->segs[j].p_vaddr >= p->loadmap->segs[j].p_memsz; j++); -- return (void *)(v - p->loadmap->segs[j].p_vaddr + p->loadmap->segs[j].addr); --} --#define fpaddr(p, v) ((void (*)())&(struct funcdesc){ \ -- laddr(p, v), (p)->got }) --#else --#define laddr(p, v) (void *)((p)->base + (v)) --#define fpaddr(p, v) ((void (*)())laddr(p, v)) --#endif -- --static void decode_vec(size_t *v, size_t *a, size_t cnt) --{ -- size_t i; -- for (i=0; i<cnt; i++) a[i] = 0; -- for (; v[0]; v+=2) if (v[0]-1<cnt-1) { -- a[0] |= 1UL<<v[0]; -- a[v[0]] = v[1]; -- } --} -- --static int search_vec(size_t *v, size_t *r, size_t key) --{ -- for (; v[0]!=key; v+=2) -- if (!v[0]) return 0; -- *r = v[1]; -- return 1; --} -- --static uint32_t sysv_hash(const char *s0) --{ -- const unsigned char *s = (void *)s0; -- uint_fast32_t h = 0; -- while (*s) { -- h = 16*h + *s++; -- h ^= h>>24 & 0xf0; -- } -- return h & 0xfffffff; --} -- --static uint32_t gnu_hash(const char *s0) --{ -- const unsigned char *s = (void *)s0; -- uint_fast32_t h = 5381; -- for (; *s; s++) -- h += h*32 + *s; -- return h; --} -- --static Sym *sysv_lookup(const char *s, uint32_t h, struct dso *dso) --{ -- size_t i; -- Sym *syms = dso->syms; -- uint32_t *hashtab = dso->hashtab; -- char *strings = dso->strings; -- for (i=hashtab[2+h%hashtab[0]]; i; i=hashtab[2+hashtab[0]+i]) { -- if ((!dso->versym || dso->versym[i] >= 0) -- && (!strcmp(s, strings+syms[i].st_name))) -- return syms+i; -- } -- return 0; --} -- --static Sym *gnu_lookup(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s) --{ -- uint32_t nbuckets = hashtab[0]; -- uint32_t *buckets = hashtab + 4 + hashtab[2]*(sizeof(size_t)/4); -- uint32_t i = buckets[h1 % nbuckets]; -- -- if (!i) return 0; -- -- uint32_t *hashval = buckets + nbuckets + (i - hashtab[1]); -- -- for (h1 |= 1; ; i++) { -- uint32_t h2 = *hashval++; -- if ((h1 == (h2|1)) && (!dso->versym || dso->versym[i] >= 0) -- && !strcmp(s, dso->strings + dso->syms[i].st_name)) -- return dso->syms+i; -- if (h2 & 1) break; -- } -- -- return 0; --} -- --static Sym *gnu_lookup_filtered(uint32_t h1, uint32_t *hashtab, struct dso *dso, const char *s, uint32_t fofs, size_t fmask) --{ -- const size_t *bloomwords = (const void *)(hashtab+4); -- size_t f = bloomwords[fofs & (hashtab[2]-1)]; -- if (!(f & fmask)) return 0; -- -- f >>= (h1 >> hashtab[3]) % (8 * sizeof f); -- if (!(f & 1)) return 0; -- -- return gnu_lookup(h1, hashtab, dso, s); --} -- --#define OK_TYPES (1<<STT_NOTYPE | 1<<STT_OBJECT | 1<<STT_FUNC | 1<<STT_COMMON | 1<<STT_TLS) --#define OK_BINDS (1<<STB_GLOBAL | 1<<STB_WEAK | 1<<STB_GNU_UNIQUE) -- --#ifndef ARCH_SYM_REJECT_UND --#define ARCH_SYM_REJECT_UND(s) 0 --#endif -- --static struct symdef find_sym(struct dso *dso, const char *s, int need_def) --{ -- uint32_t h = 0, gh, gho, *ght; -- size_t ghm = 0; -- struct symdef def = {0}; -- for (; dso; dso=dso->next) { -- Sym *sym; -- if (!dso->global) continue; -- if ((ght = dso->ghashtab)) { -- if (!ghm) { -- gh = gnu_hash(s); -- int maskbits = 8 * sizeof ghm; -- gho = gh / maskbits; -- ghm = 1ul << gh % maskbits; -- } -- sym = gnu_lookup_filtered(gh, ght, dso, s, gho, ghm); -- } else { -- if (!h) h = sysv_hash(s); -- sym = sysv_lookup(s, h, dso); -- } -- if (!sym) continue; -- if (!sym->st_shndx) -- if (need_def || (sym->st_info&0xf) == STT_TLS -- || ARCH_SYM_REJECT_UND(sym)) -- continue; -- if (!sym->st_value) -- if ((sym->st_info&0xf) != STT_TLS) -- continue; -- if (!(1<<(sym->st_info&0xf) & OK_TYPES)) continue; -- if (!(1<<(sym->st_info>>4) & OK_BINDS)) continue; -- -- if (def.sym && sym->st_info>>4 == STB_WEAK) continue; -- def.sym = sym; -- def.dso = dso; -- if (sym->st_info>>4 == STB_GLOBAL) break; -- } -- return def; --} -- --__attribute__((__visibility__("hidden"))) --ptrdiff_t __tlsdesc_static(), __tlsdesc_dynamic(); -- --static void do_relocs(struct dso *dso, size_t *rel, size_t rel_size, size_t stride) --{ -- unsigned char *base = dso->base; -- Sym *syms = dso->syms; -- char *strings = dso->strings; -- Sym *sym; -- const char *name; -- void *ctx; -- int type; -- int sym_index; -- struct symdef def; -- size_t *reloc_addr; -- size_t sym_val; -- size_t tls_val; -- size_t addend; -- int skip_relative = 0, reuse_addends = 0, save_slot = 0; -- -- if (dso == &ldso) { -- /* Only ldso's REL table needs addend saving/reuse. */ -- if (rel == apply_addends_to) -- reuse_addends = 1; -- skip_relative = 1; -- } -- -- for (; rel_size; rel+=stride, rel_size-=stride*sizeof(size_t)) { -- if (skip_relative && IS_RELATIVE(rel[1], dso->syms)) continue; -- type = R_TYPE(rel[1]); -- if (type == REL_NONE) continue; -- sym_index = R_SYM(rel[1]); -- reloc_addr = laddr(dso, rel[0]); -- if (sym_index) { -- sym = syms + sym_index; -- name = strings + sym->st_name; -- ctx = type==REL_COPY ? head->next : head; -- def = (sym->st_info&0xf) == STT_SECTION -- ? (struct symdef){ .dso = dso, .sym = sym } -- : find_sym(ctx, name, type==REL_PLT); -- if (!def.sym && (sym->st_shndx != SHN_UNDEF -- || sym->st_info>>4 != STB_WEAK)) { -- error("Error relocating %s: %s: symbol not found", -- dso->name, name); -- if (runtime) longjmp(*rtld_fail, 1); -- continue; -- } -- } else { -- sym = 0; -- def.sym = 0; -- def.dso = dso; -- } -- -- if (stride > 2) { -- addend = rel[2]; -- } else if (type==REL_GOT || type==REL_PLT|| type==REL_COPY) { -- addend = 0; -- } else if (reuse_addends) { -- /* Save original addend in stage 2 where the dso -- * chain consists of just ldso; otherwise read back -- * saved addend since the inline one was clobbered. */ -- if (head==&ldso) -- saved_addends[save_slot] = *reloc_addr; -- addend = saved_addends[save_slot++]; -- } else { -- addend = *reloc_addr; -- } -- -- sym_val = def.sym ? (size_t)laddr(def.dso, def.sym->st_value) : 0; -- tls_val = def.sym ? def.sym->st_value : 0; -- -- switch(type) { -- case REL_NONE: -- break; -- case REL_OFFSET: -- addend -= (size_t)reloc_addr; -- case REL_SYMBOLIC: -- case REL_GOT: -- case REL_PLT: -- *reloc_addr = sym_val + addend; -- break; -- case REL_RELATIVE: -- *reloc_addr = (size_t)base + addend; -- break; -- case REL_SYM_OR_REL: -- if (sym) *reloc_addr = sym_val + addend; -- else *reloc_addr = (size_t)base + addend; -- break; -- case REL_COPY: -- memcpy(reloc_addr, (void *)sym_val, sym->st_size); -- break; -- case REL_OFFSET32: -- *(uint32_t *)reloc_addr = sym_val + addend -- - (size_t)reloc_addr; -- break; -- case REL_FUNCDESC: -- *reloc_addr = def.sym ? (size_t)(def.dso->funcdescs -- + (def.sym - def.dso->syms)) : 0; -- break; -- case REL_FUNCDESC_VAL: -- if ((sym->st_info&0xf) == STT_SECTION) *reloc_addr += sym_val; -- else *reloc_addr = sym_val; -- reloc_addr[1] = def.sym ? (size_t)def.dso->got : 0; -- break; -- case REL_DTPMOD: -- *reloc_addr = def.dso->tls_id; -- break; -- case REL_DTPOFF: -- *reloc_addr = tls_val + addend - DTP_OFFSET; -- break; --#ifdef TLS_ABOVE_TP -- case REL_TPOFF: -- *reloc_addr = tls_val + def.dso->tls_offset + TPOFF_K + addend; -- break; --#else -- case REL_TPOFF: -- *reloc_addr = tls_val - def.dso->tls_offset + addend; -- break; -- case REL_TPOFF_NEG: -- *reloc_addr = def.dso->tls_offset - tls_val + addend; -- break; --#endif -- case REL_TLSDESC: -- if (stride<3) addend = reloc_addr[1]; -- if (runtime && def.dso->tls_id >= static_tls_cnt) { -- struct td_index *new = malloc(sizeof *new); -- if (!new) { -- error( -- "Error relocating %s: cannot allocate TLSDESC for %s", -- dso->name, sym ? name : "(local)" ); -- longjmp(*rtld_fail, 1); -- } -- new->next = dso->td_index; -- dso->td_index = new; -- new->args[0] = def.dso->tls_id; -- new->args[1] = tls_val + addend; -- reloc_addr[0] = (size_t)__tlsdesc_dynamic; -- reloc_addr[1] = (size_t)new; -- } else { -- reloc_addr[0] = (size_t)__tlsdesc_static; --#ifdef TLS_ABOVE_TP -- reloc_addr[1] = tls_val + def.dso->tls_offset -- + TPOFF_K + addend; --#else -- reloc_addr[1] = tls_val - def.dso->tls_offset -- + addend; --#endif -- } -- break; -- default: -- error("Error relocating %s: unsupported relocation type %d", -- dso->name, type); -- if (runtime) longjmp(*rtld_fail, 1); -- continue; -- } -- } --} -- --/* A huge hack: to make up for the wastefulness of shared libraries -- * needing at least a page of dirty memory even if they have no global -- * data, we reclaim the gaps at the beginning and end of writable maps -- * and "donate" them to the heap by setting up minimal malloc -- * structures and then freeing them. */ -- --static void reclaim(struct dso *dso, size_t start, size_t end) --{ -- size_t *a, *z; -- if (start >= dso->relro_start && start < dso->relro_end) start = dso->relro_end; -- if (end >= dso->relro_start && end < dso->relro_end) end = dso->relro_start; -- start = start + 6*sizeof(size_t)-1 & -4*sizeof(size_t); -- end = (end & -4*sizeof(size_t)) - 2*sizeof(size_t); -- if (start>end || end-start < 4*sizeof(size_t)) return; -- a = laddr(dso, start); -- z = laddr(dso, end); -- a[-2] = 1; -- a[-1] = z[0] = end-start + 2*sizeof(size_t) | 1; -- z[1] = 1; -- free(a); --} -- --static void reclaim_gaps(struct dso *dso) --{ -- Phdr *ph = dso->phdr; -- size_t phcnt = dso->phnum; -- -- if (DL_FDPIC) return; // FIXME -- for (; phcnt--; ph=(void *)((char *)ph+dso->phentsize)) { -- if (ph->p_type!=PT_LOAD) continue; -- if ((ph->p_flags&(PF_R|PF_W))!=(PF_R|PF_W)) continue; -- reclaim(dso, ph->p_vaddr & -PAGE_SIZE, ph->p_vaddr); -- reclaim(dso, ph->p_vaddr+ph->p_memsz, -- ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE); -- } --} -- --static void *mmap_fixed(void *p, size_t n, int prot, int flags, int fd, off_t off) --{ -- char *q = mmap(p, n, prot, flags, fd, off); -- if (q != MAP_FAILED || errno != EINVAL) return q; -- /* Fallbacks for MAP_FIXED failure on NOMMU kernels. */ -- if (flags & MAP_ANONYMOUS) { -- memset(p, 0, n); -- return p; -- } -- ssize_t r; -- if (lseek(fd, off, SEEK_SET) < 0) return MAP_FAILED; -- for (q=p; n; q+=r, off+=r, n-=r) { -- r = read(fd, q, n); -- if (r < 0 && errno != EINTR) return MAP_FAILED; -- if (!r) { -- memset(q, 0, n); -- break; -- } -- } -- return p; --} -- --static void unmap_library(struct dso *dso) --{ -- if (dso->loadmap) { -- size_t i; -- for (i=0; i<dso->loadmap->nsegs; i++) { -- if (!dso->loadmap->segs[i].p_memsz) -- continue; -- munmap((void *)dso->loadmap->segs[i].addr, -- dso->loadmap->segs[i].p_memsz); -- } -- free(dso->loadmap); -- } else if (dso->map && dso->map_len) { -- munmap(dso->map, dso->map_len); -- } --} -- --static void *map_library(int fd, struct dso *dso) --{ -- Ehdr buf[(896+sizeof(Ehdr))/sizeof(Ehdr)]; -- void *allocated_buf=0; -- size_t phsize; -- size_t addr_min=SIZE_MAX, addr_max=0, map_len; -- size_t this_min, this_max; -- size_t nsegs = 0; -- off_t off_start; -- Ehdr *eh; -- Phdr *ph, *ph0; -- unsigned prot; -- unsigned char *map=MAP_FAILED, *base; -- size_t dyn=0; -- size_t tls_image=0; -- size_t i; -- -- ssize_t l = read(fd, buf, sizeof buf); -- eh = buf; -- if (l<0) return 0; -- if (l<sizeof *eh || (eh->e_type != ET_DYN && eh->e_type != ET_EXEC)) -- goto noexec; -- phsize = eh->e_phentsize * eh->e_phnum; -- if (phsize > sizeof buf - sizeof *eh) { -- allocated_buf = malloc(phsize); -- if (!allocated_buf) return 0; -- l = pread(fd, allocated_buf, phsize, eh->e_phoff); -- if (l < 0) goto error; -- if (l != phsize) goto noexec; -- ph = ph0 = allocated_buf; -- } else if (eh->e_phoff + phsize > l) { -- l = pread(fd, buf+1, phsize, eh->e_phoff); -- if (l < 0) goto error; -- if (l != phsize) goto noexec; -- ph = ph0 = (void *)(buf + 1); -- } else { -- ph = ph0 = (void *)((char *)buf + eh->e_phoff); -- } -- for (i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) { -- if (ph->p_type == PT_DYNAMIC) { -- dyn = ph->p_vaddr; -- } else if (ph->p_type == PT_TLS) { -- tls_image = ph->p_vaddr; -- dso->tls_align = ph->p_align; -- dso->tls_len = ph->p_filesz; -- dso->tls_size = ph->p_memsz; -- } else if (ph->p_type == PT_GNU_RELRO) { -- dso->relro_start = ph->p_vaddr & -PAGE_SIZE; -- dso->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE; -- } -- if (ph->p_type != PT_LOAD) continue; -- nsegs++; -- if (ph->p_vaddr < addr_min) { -- addr_min = ph->p_vaddr; -- off_start = ph->p_offset; -- prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) | -- ((ph->p_flags&PF_W) ? PROT_WRITE: 0) | -- ((ph->p_flags&PF_X) ? PROT_EXEC : 0)); -- } -- if (ph->p_vaddr+ph->p_memsz > addr_max) { -- addr_max = ph->p_vaddr+ph->p_memsz; -- } -- } -- if (!dyn) goto noexec; -- if (DL_FDPIC && !(eh->e_flags & FDPIC_CONSTDISP_FLAG)) { -- dso->loadmap = calloc(1, sizeof *dso->loadmap -- + nsegs * sizeof *dso->loadmap->segs); -- if (!dso->loadmap) goto error; -- dso->loadmap->nsegs = nsegs; -- for (ph=ph0, i=0; i<nsegs; ph=(void *)((char *)ph+eh->e_phentsize)) { -- if (ph->p_type != PT_LOAD) continue; -- prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) | -- ((ph->p_flags&PF_W) ? PROT_WRITE: 0) | -- ((ph->p_flags&PF_X) ? PROT_EXEC : 0)); -- map = mmap(0, ph->p_memsz + (ph->p_vaddr & PAGE_SIZE-1), -- prot, (prot&PROT_WRITE) ? MAP_PRIVATE : MAP_SHARED, -- fd, ph->p_offset & -PAGE_SIZE); -- if (map == MAP_FAILED) { -- unmap_library(dso); -- goto error; -- } -- dso->loadmap->segs[i].addr = (size_t)map + -- (ph->p_vaddr & PAGE_SIZE-1); -- dso->loadmap->segs[i].p_vaddr = ph->p_vaddr; -- dso->loadmap->segs[i].p_memsz = ph->p_memsz; -- i++; -- } -- map = (void *)dso->loadmap->segs[0].addr; -- map_len = 0; -- goto done_mapping; -- } -- addr_max += PAGE_SIZE-1; -- addr_max &= -PAGE_SIZE; -- addr_min &= -PAGE_SIZE; -- off_start &= -PAGE_SIZE; -- map_len = addr_max - addr_min + off_start; -- /* The first time, we map too much, possibly even more than -- * the length of the file. This is okay because we will not -- * use the invalid part; we just need to reserve the right -- * amount of virtual address space to map over later. */ -- map = mmap((void *)addr_min, map_len, prot, MAP_PRIVATE, fd, off_start); -- if (map==MAP_FAILED) goto error; -- dso->map = map; -- dso->map_len = map_len; -- /* If the loaded file is not relocatable and the requested address is -- * not available, then the load operation must fail. */ -- if (eh->e_type != ET_DYN && addr_min && map!=(void *)addr_min) { -- errno = EBUSY; -- goto error; -- } -- base = map - addr_min; -- dso->phdr = 0; -- dso->phnum = 0; -- for (ph=ph0, i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) { -- if (ph->p_type != PT_LOAD) continue; -- /* Check if the programs headers are in this load segment, and -- * if so, record the address for use by dl_iterate_phdr. */ -- if (!dso->phdr && eh->e_phoff >= ph->p_offset -- && eh->e_phoff+phsize <= ph->p_offset+ph->p_filesz) { -- dso->phdr = (void *)(base + ph->p_vaddr -- + (eh->e_phoff-ph->p_offset)); -- dso->phnum = eh->e_phnum; -- dso->phentsize = eh->e_phentsize; -- } -- /* Reuse the existing mapping for the lowest-address LOAD */ -- if ((ph->p_vaddr & -PAGE_SIZE) == addr_min) continue; -- this_min = ph->p_vaddr & -PAGE_SIZE; -- this_max = ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE; -- off_start = ph->p_offset & -PAGE_SIZE; -- prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) | -- ((ph->p_flags&PF_W) ? PROT_WRITE: 0) | -- ((ph->p_flags&PF_X) ? PROT_EXEC : 0)); -- if (mmap_fixed(base+this_min, this_max-this_min, prot, MAP_PRIVATE|MAP_FIXED, fd, off_start) == MAP_FAILED) -- goto error; -- if (ph->p_memsz > ph->p_filesz) { -- size_t brk = (size_t)base+ph->p_vaddr+ph->p_filesz; -- size_t pgbrk = brk+PAGE_SIZE-1 & -PAGE_SIZE; -- memset((void *)brk, 0, pgbrk-brk & PAGE_SIZE-1); -- if (pgbrk-(size_t)base < this_max && mmap_fixed((void *)pgbrk, (size_t)base+this_max-pgbrk, prot, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) == MAP_FAILED) -- goto error; -- } -- } -- for (i=0; ((size_t *)(base+dyn))[i]; i+=2) -- if (((size_t *)(base+dyn))[i]==DT_TEXTREL) { -- if (mprotect(map, map_len, PROT_READ|PROT_WRITE|PROT_EXEC) -- && errno != ENOSYS) -- goto error; -- break; -- } --done_mapping: -- dso->base = base; -- dso->dynv = laddr(dso, dyn); -- if (dso->tls_size) dso->tls_image = laddr(dso, tls_image); -- if (!runtime) reclaim_gaps(dso); -- free(allocated_buf); -- return map; --noexec: -- errno = ENOEXEC; --error: -- if (map!=MAP_FAILED) unmap_library(dso); -- free(allocated_buf); -- return 0; --} -- --static int path_open(const char *name, const char *s, char *buf, size_t buf_size) --{ -- size_t l; -- int fd; -- for (;;) { -- s += strspn(s, ":\n"); -- l = strcspn(s, ":\n"); -- if (l-1 >= INT_MAX) return -1; -- if (snprintf(buf, buf_size, "%.*s/%s", (int)l, s, name) < buf_size) { -- if ((fd = open(buf, O_RDONLY|O_CLOEXEC))>=0) return fd; -- switch (errno) { -- case ENOENT: -- case ENOTDIR: -- case EACCES: -- case ENAMETOOLONG: -- break; -- default: -- /* Any negative value but -1 will inhibit -- * futher path search. */ -- return -2; -- } -- } -- s += l; -- } --} -- --static int fixup_rpath(struct dso *p, char *buf, size_t buf_size) --{ -- size_t n, l; -- const char *s, *t, *origin; -- char *d; -- if (p->rpath || !p->rpath_orig) return 0; -- if (!strchr(p->rpath_orig, '$')) { -- p->rpath = p->rpath_orig; -- return 0; -- } -- n = 0; -- s = p->rpath_orig; -- while ((t=strchr(s, '$'))) { -- if (strncmp(t, "$ORIGIN", 7) && strncmp(t, "${ORIGIN}", 9)) -- return 0; -- s = t+1; -- n++; -- } -- if (n > SSIZE_MAX/PATH_MAX) return 0; -- -- if (p->kernel_mapped) { -- /* $ORIGIN searches cannot be performed for the main program -- * when it is suid/sgid/AT_SECURE. This is because the -- * pathname is under the control of the caller of execve. -- * For libraries, however, $ORIGIN can be processed safely -- * since the library's pathname came from a trusted source -- * (either system paths or a call to dlopen). */ -- if (libc.secure) -- return 0; -- l = readlink("/proc/self/exe", buf, buf_size); -- if (l == -1) switch (errno) { -- case ENOENT: -- case ENOTDIR: -- case EACCES: -- break; -- default: -- return -1; -- } -- if (l >= buf_size) -- return 0; -- buf[l] = 0; -- origin = buf; -- } else { -- origin = p->name; -- } -- t = strrchr(origin, '/'); -- l = t ? t-origin : 0; -- p->rpath = malloc(strlen(p->rpath_orig) + n*l + 1); -- if (!p->rpath) return -1; -- -- d = p->rpath; -- s = p->rpath_orig; -- while ((t=strchr(s, '$'))) { -- memcpy(d, s, t-s); -- d += t-s; -- memcpy(d, origin, l); -- d += l; -- /* It was determined previously that the '$' is followed -- * either by "ORIGIN" or "{ORIGIN}". */ -- s = t + 7 + 2*(t[1]=='{'); -- } -- strcpy(d, s); -- return 0; --} -- --static void decode_dyn(struct dso *p) --{ -- size_t dyn[DYN_CNT]; -- decode_vec(p->dynv, dyn, DYN_CNT); -- p->syms = laddr(p, dyn[DT_SYMTAB]); -- p->strings = laddr(p, dyn[DT_STRTAB]); -- if (dyn[0]&(1<<DT_HASH)) -- p->hashtab = laddr(p, dyn[DT_HASH]); -- if (dyn[0]&(1<<DT_RPATH)) -- p->rpath_orig = p->strings + dyn[DT_RPATH]; -- if (dyn[0]&(1<<DT_RUNPATH)) -- p->rpath_orig = p->strings + dyn[DT_RUNPATH]; -- if (dyn[0]&(1<<DT_PLTGOT)) -- p->got = laddr(p, dyn[DT_PLTGOT]); -- if (search_vec(p->dynv, dyn, DT_GNU_HASH)) -- p->ghashtab = laddr(p, *dyn); -- if (search_vec(p->dynv, dyn, DT_VERSYM)) -- p->versym = laddr(p, *dyn); --} -- --static size_t count_syms(struct dso *p) --{ -- if (p->hashtab) return p->hashtab[1]; -- -- size_t nsym, i; -- uint32_t *buckets = p->ghashtab + 4 + (p->ghashtab[2]*sizeof(size_t)/4); -- uint32_t *hashval; -- for (i = nsym = 0; i < p->ghashtab[0]; i++) { -- if (buckets[i] > nsym) -- nsym = buckets[i]; -- } -- if (nsym) { -- hashval = buckets + p->ghashtab[0] + (nsym - p->ghashtab[1]); -- do nsym++; -- while (!(*hashval++ & 1)); -- } -- return nsym; --} -- --static void *dl_mmap(size_t n) --{ -- void *p; -- int prot = PROT_READ|PROT_WRITE, flags = MAP_ANONYMOUS|MAP_PRIVATE; --#ifdef SYS_mmap2 -- p = (void *)__syscall(SYS_mmap2, 0, n, prot, flags, -1, 0); --#else -- p = (void *)__syscall(SYS_mmap, 0, n, prot, flags, -1, 0); --#endif -- return p == MAP_FAILED ? 0 : p; --} -- --static void makefuncdescs(struct dso *p) --{ -- static int self_done; -- size_t nsym = count_syms(p); -- size_t i, size = nsym * sizeof(*p->funcdescs); -- -- if (!self_done) { -- p->funcdescs = dl_mmap(size); -- self_done = 1; -- } else { -- p->funcdescs = malloc(size); -- } -- if (!p->funcdescs) { -- if (!runtime) a_crash(); -- error("Error allocating function descriptors for %s", p->name); -- longjmp(*rtld_fail, 1); -- } -- for (i=0; i<nsym; i++) { -- if ((p->syms[i].st_info&0xf)==STT_FUNC && p->syms[i].st_shndx) { -- p->funcdescs[i].addr = laddr(p, p->syms[i].st_value); -- p->funcdescs[i].got = p->got; -- } else { -- p->funcdescs[i].addr = 0; -- p->funcdescs[i].got = 0; -- } -- } --} -- --static struct dso *load_library(const char *name, struct dso *needed_by) --{ -- char buf[2*NAME_MAX+2]; -- const char *pathname; -- unsigned char *map; -- struct dso *p, temp_dso = {0}; -- int fd; -- struct stat st; -- size_t alloc_size; -- int n_th = 0; -- int is_self = 0; -- -- if (!*name) { -- errno = EINVAL; -- return 0; -- } -- -- /* Catch and block attempts to reload the implementation itself */ -- if (name[0]=='l' && name[1]=='i' && name[2]=='b') { -- static const char *rp, reserved[] = -- "c\0pthread\0rt\0m\0dl\0util\0xnet\0"; -- char *z = strchr(name, '.'); -- if (z) { -- size_t l = z-name; -- for (rp=reserved; *rp && strncmp(name+3, rp, l-3); rp+=strlen(rp)+1); -- if (*rp) { -- if (ldd_mode) { -- /* Track which names have been resolved -- * and only report each one once. */ -- static unsigned reported; -- unsigned mask = 1U<<(rp-reserved); -- if (!(reported & mask)) { -- reported |= mask; -- dprintf(1, "\t%s => %s (%p)\n", -- name, ldso.name, -- ldso.base); -- } -- } -- is_self = 1; -- } -- } -- } -- if (!strcmp(name, ldso.name)) is_self = 1; -- if (is_self) { -- if (!ldso.prev) { -- tail->next = &ldso; -- ldso.prev = tail; -- tail = ldso.next ? ldso.next : &ldso; -- } -- return &ldso; -- } -- if (strchr(name, '/')) { -- pathname = name; -- fd = open(name, O_RDONLY|O_CLOEXEC); -- } else { -- /* Search for the name to see if it's already loaded */ -- for (p=head->next; p; p=p->next) { -- if (p->shortname && !strcmp(p->shortname, name)) { -- p->refcnt++; -- return p; -- } -- } -- if (strlen(name) > NAME_MAX) return 0; -- fd = -1; -- if (env_path) fd = path_open(name, env_path, buf, sizeof buf); -- for (p=needed_by; fd == -1 && p; p=p->needed_by) { -- if (fixup_rpath(p, buf, sizeof buf) < 0) -- fd = -2; /* Inhibit further search. */ -- if (p->rpath) -- fd = path_open(name, p->rpath, buf, sizeof buf); -- } -- if (fd == -1) { -- if (!sys_path) { -- char *prefix = 0; -- size_t prefix_len; -- if (ldso.name[0]=='/') { -- char *s, *t, *z; -- for (s=t=z=ldso.name; *s; s++) -- if (*s=='/') z=t, t=s; -- prefix_len = z-ldso.name; -- if (prefix_len < PATH_MAX) -- prefix = ldso.name; -- } -- if (!prefix) { -- prefix = ""; -- prefix_len = 0; -- } -- char etc_ldso_path[prefix_len + 1 -- + sizeof "/etc/ld-musl-" LDSO_ARCH ".path"]; -- snprintf(etc_ldso_path, sizeof etc_ldso_path, -- "%.*s/etc/ld-musl-" LDSO_ARCH ".path", -- (int)prefix_len, prefix); -- FILE *f = fopen(etc_ldso_path, "rbe"); -- if (f) { -- if (getdelim(&sys_path, (size_t[1]){0}, 0, f) <= 0) { -- free(sys_path); -- sys_path = ""; -- } -- fclose(f); -- } else if (errno != ENOENT) { -- sys_path = ""; -- } -- } -- if (!sys_path) sys_path = "/lib:/usr/local/lib:/usr/lib"; -- fd = path_open(name, sys_path, buf, sizeof buf); -- } -- pathname = buf; -- } -- if (fd < 0) return 0; -- if (fstat(fd, &st) < 0) { -- close(fd); -- return 0; -- } -- for (p=head->next; p; p=p->next) { -- if (p->dev == st.st_dev && p->ino == st.st_ino) { -- /* If this library was previously loaded with a -- * pathname but a search found the same inode, -- * setup its shortname so it can be found by name. */ -- if (!p->shortname && pathname != name) -- p->shortname = strrchr(p->name, '/')+1; -- close(fd); -- p->refcnt++; -- return p; -- } -- } -- map = noload ? 0 : map_library(fd, &temp_dso); -- close(fd); -- if (!map) return 0; -- -- /* Allocate storage for the new DSO. When there is TLS, this -- * storage must include a reservation for all pre-existing -- * threads to obtain copies of both the new TLS, and an -- * extended DTV capable of storing an additional slot for -- * the newly-loaded DSO. */ -- alloc_size = sizeof *p + strlen(pathname) + 1; -- if (runtime && temp_dso.tls_image) { -- size_t per_th = temp_dso.tls_size + temp_dso.tls_align -- + sizeof(void *) * (tls_cnt+3); -- n_th = libc.threads_minus_1 + 1; -- if (n_th > SSIZE_MAX / per_th) alloc_size = SIZE_MAX; -- else alloc_size += n_th * per_th; -- } -- p = calloc(1, alloc_size); -- if (!p) { -- unmap_library(&temp_dso); -- return 0; -- } -- memcpy(p, &temp_dso, sizeof temp_dso); -- decode_dyn(p); -- p->dev = st.st_dev; -- p->ino = st.st_ino; -- p->refcnt = 1; -- p->needed_by = needed_by; -- p->name = p->buf; -- strcpy(p->name, pathname); -- /* Add a shortname only if name arg was not an explicit pathname. */ -- if (pathname != name) p->shortname = strrchr(p->name, '/')+1; -- if (p->tls_image) { -- p->tls_id = ++tls_cnt; -- tls_align = MAXP2(tls_align, p->tls_align); --#ifdef TLS_ABOVE_TP -- p->tls_offset = tls_offset + ( (tls_align-1) & -- -(tls_offset + (uintptr_t)p->tls_image) ); -- tls_offset += p->tls_size; --#else -- tls_offset += p->tls_size + p->tls_align - 1; -- tls_offset -= (tls_offset + (uintptr_t)p->tls_image) -- & (p->tls_align-1); -- p->tls_offset = tls_offset; --#endif -- p->new_dtv = (void *)(-sizeof(size_t) & -- (uintptr_t)(p->name+strlen(p->name)+sizeof(size_t))); -- p->new_tls = (void *)(p->new_dtv + n_th*(tls_cnt+1)); -- } -- -- tail->next = p; -- p->prev = tail; -- tail = p; -- -- if (DL_FDPIC) makefuncdescs(p); -- -- if (ldd_mode) dprintf(1, "\t%s => %s (%p)\n", name, pathname, p->base); -- -- return p; --} -- --static void load_deps(struct dso *p) --{ -- size_t i, ndeps=0; -- struct dso ***deps = &p->deps, **tmp, *dep; -- for (; p; p=p->next) { -- for (i=0; p->dynv[i]; i+=2) { -- if (p->dynv[i] != DT_NEEDED) continue; -- dep = load_library(p->strings + p->dynv[i+1], p); -- if (!dep) { -- error("Error loading shared library %s: %m (needed by %s)", -- p->strings + p->dynv[i+1], p->name); -- if (runtime) longjmp(*rtld_fail, 1); -- continue; -- } -- if (runtime) { -- tmp = realloc(*deps, sizeof(*tmp)*(ndeps+2)); -- if (!tmp) longjmp(*rtld_fail, 1); -- tmp[ndeps++] = dep; -- tmp[ndeps] = 0; -- *deps = tmp; -- } -- } -- } --} -- --static void load_preload(char *s) --{ -- int tmp; -- char *z; -- for (z=s; *z; s=z) { -- for ( ; *s && (isspace(*s) || *s==':'); s++); -- for (z=s; *z && !isspace(*z) && *z!=':'; z++); -- tmp = *z; -- *z = 0; -- load_library(s, 0); -- *z = tmp; -- } --} -- --static void make_global(struct dso *p) --{ -- for (; p; p=p->next) p->global = 1; --} -- --static void do_mips_relocs(struct dso *p, size_t *got) --{ -- size_t i, j, rel[2]; -- unsigned char *base = p->base; -- i=0; search_vec(p->dynv, &i, DT_MIPS_LOCAL_GOTNO); -- if (p==&ldso) { -- got += i; -- } else { -- while (i--) *got++ += (size_t)base; -- } -- j=0; search_vec(p->dynv, &j, DT_MIPS_GOTSYM); -- i=0; search_vec(p->dynv, &i, DT_MIPS_SYMTABNO); -- Sym *sym = p->syms + j; -- rel[0] = (unsigned char *)got - base; -- for (i-=j; i; i--, sym++, rel[0]+=sizeof(size_t)) { -- rel[1] = sym-p->syms << 8 | R_MIPS_JUMP_SLOT; -- do_relocs(p, rel, sizeof rel, 2); -- } --} -- --static void reloc_all(struct dso *p) --{ -- size_t dyn[DYN_CNT]; -- for (; p; p=p->next) { -- if (p->relocated) continue; -- decode_vec(p->dynv, dyn, DYN_CNT); -- if (NEED_MIPS_GOT_RELOCS) -- do_mips_relocs(p, laddr(p, dyn[DT_PLTGOT])); -- do_relocs(p, laddr(p, dyn[DT_JMPREL]), dyn[DT_PLTRELSZ], -- 2+(dyn[DT_PLTREL]==DT_RELA)); -- do_relocs(p, laddr(p, dyn[DT_REL]), dyn[DT_RELSZ], 2); -- do_relocs(p, laddr(p, dyn[DT_RELA]), dyn[DT_RELASZ], 3); -- -- if (head != &ldso && p->relro_start != p->relro_end && -- mprotect(laddr(p, p->relro_start), p->relro_end-p->relro_start, PROT_READ) -- && errno != ENOSYS) { -- error("Error relocating %s: RELRO protection failed: %m", -- p->name); -- if (runtime) longjmp(*rtld_fail, 1); -- } -- -- p->relocated = 1; -- } --} -- --static void kernel_mapped_dso(struct dso *p) --{ -- size_t min_addr = -1, max_addr = 0, cnt; -- Phdr *ph = p->phdr; -- for (cnt = p->phnum; cnt--; ph = (void *)((char *)ph + p->phentsize)) { -- if (ph->p_type == PT_DYNAMIC) { -- p->dynv = laddr(p, ph->p_vaddr); -- } else if (ph->p_type == PT_GNU_RELRO) { -- p->relro_start = ph->p_vaddr & -PAGE_SIZE; -- p->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE; -- } -- if (ph->p_type != PT_LOAD) continue; -- if (ph->p_vaddr < min_addr) -- min_addr = ph->p_vaddr; -- if (ph->p_vaddr+ph->p_memsz > max_addr) -- max_addr = ph->p_vaddr+ph->p_memsz; -- } -- min_addr &= -PAGE_SIZE; -- max_addr = (max_addr + PAGE_SIZE-1) & -PAGE_SIZE; -- p->map = p->base + min_addr; -- p->map_len = max_addr - min_addr; -- p->kernel_mapped = 1; --} -- --static void do_fini() --{ -- struct dso *p; -- size_t dyn[DYN_CNT]; -- for (p=fini_head; p; p=p->fini_next) { -- if (!p->constructed) continue; -- decode_vec(p->dynv, dyn, DYN_CNT); -- if (dyn[0] & (1<<DT_FINI_ARRAY)) { -- size_t n = dyn[DT_FINI_ARRAYSZ]/sizeof(size_t); -- size_t *fn = (size_t *)laddr(p, dyn[DT_FINI_ARRAY])+n; -- while (n--) ((void (*)(void))*--fn)(); -- } --#ifndef NO_LEGACY_INITFINI -- if ((dyn[0] & (1<<DT_FINI)) && dyn[DT_FINI]) -- fpaddr(p, dyn[DT_FINI])(); --#endif -- } --} -- --static void do_init_fini(struct dso *p) --{ -- size_t dyn[DYN_CNT]; -- int need_locking = libc.threads_minus_1; -- /* Allow recursive calls that arise when a library calls -- * dlopen from one of its constructors, but block any -- * other threads until all ctors have finished. */ -- if (need_locking) pthread_mutex_lock(&init_fini_lock); -- for (; p; p=p->prev) { -- if (p->constructed) continue; -- p->constructed = 1; -- decode_vec(p->dynv, dyn, DYN_CNT); -- if (dyn[0] & ((1<<DT_FINI) | (1<<DT_FINI_ARRAY))) { -- p->fini_next = fini_head; -- fini_head = p; -- } --#ifndef NO_LEGACY_INITFINI -- if ((dyn[0] & (1<<DT_INIT)) && dyn[DT_INIT]) -- fpaddr(p, dyn[DT_INIT])(); --#endif -- if (dyn[0] & (1<<DT_INIT_ARRAY)) { -- size_t n = dyn[DT_INIT_ARRAYSZ]/sizeof(size_t); -- size_t *fn = laddr(p, dyn[DT_INIT_ARRAY]); -- while (n--) ((void (*)(void))*fn++)(); -- } -- if (!need_locking && libc.threads_minus_1) { -- need_locking = 1; -- pthread_mutex_lock(&init_fini_lock); -- } -- } -- if (need_locking) pthread_mutex_unlock(&init_fini_lock); --} -- --void __libc_start_init(void) --{ -- do_init_fini(tail); --} -- --static void dl_debug_state(void) --{ --} -- --weak_alias(dl_debug_state, _dl_debug_state); -- --void __reset_tls() --{ -- pthread_t self = __pthread_self(); -- struct dso *p; -- for (p=head; p; p=p->next) { -- if (!p->tls_id || !self->dtv[p->tls_id]) continue; -- memcpy(self->dtv[p->tls_id], p->tls_image, p->tls_len); -- memset((char *)self->dtv[p->tls_id]+p->tls_len, 0, -- p->tls_size - p->tls_len); -- if (p->tls_id == (size_t)self->dtv[0]) break; -- } --} -- --void *__copy_tls(unsigned char *mem) --{ -- pthread_t td; -- struct dso *p; -- void **dtv; -- --#ifdef TLS_ABOVE_TP -- dtv = (void **)(mem + libc.tls_size) - (tls_cnt + 1); -- -- mem += -((uintptr_t)mem + sizeof(struct pthread)) & (tls_align-1); -- td = (pthread_t)mem; -- mem += sizeof(struct pthread); -- -- for (p=head; p; p=p->next) { -- if (!p->tls_id) continue; -- dtv[p->tls_id] = mem + p->tls_offset; -- memcpy(dtv[p->tls_id], p->tls_image, p->tls_len); -- } --#else -- dtv = (void **)mem; -- -- mem += libc.tls_size - sizeof(struct pthread); -- mem -= (uintptr_t)mem & (tls_align-1); -- td = (pthread_t)mem; -- -- for (p=head; p; p=p->next) { -- if (!p->tls_id) continue; -- dtv[p->tls_id] = mem - p->tls_offset; -- memcpy(dtv[p->tls_id], p->tls_image, p->tls_len); -- } --#endif -- dtv[0] = (void *)tls_cnt; -- td->dtv = td->dtv_copy = dtv; -- return td; --} -- --__attribute__((__visibility__("hidden"))) --void *__tls_get_new(size_t *v) --{ -- pthread_t self = __pthread_self(); -- -- /* Block signals to make accessing new TLS async-signal-safe */ -- sigset_t set; -- __block_all_sigs(&set); -- if (v[0]<=(size_t)self->dtv[0]) { -- __restore_sigs(&set); -- return (char *)self->dtv[v[0]]+v[1]+DTP_OFFSET; -- } -- -- /* This is safe without any locks held because, if the caller -- * is able to request the Nth entry of the DTV, the DSO list -- * must be valid at least that far out and it was synchronized -- * at program startup or by an already-completed call to dlopen. */ -- struct dso *p; -- for (p=head; p->tls_id != v[0]; p=p->next); -- -- /* Get new DTV space from new DSO if needed */ -- if (v[0] > (size_t)self->dtv[0]) { -- void **newdtv = p->new_dtv + -- (v[0]+1)*sizeof(void *)*a_fetch_add(&p->new_dtv_idx,1); -- memcpy(newdtv, self->dtv, -- ((size_t)self->dtv[0]+1) * sizeof(void *)); -- newdtv[0] = (void *)v[0]; -- self->dtv = self->dtv_copy = newdtv; -- } -- -- /* Get new TLS memory from all new DSOs up to the requested one */ -- unsigned char *mem; -- for (p=head; ; p=p->next) { -- if (!p->tls_id || self->dtv[p->tls_id]) continue; -- mem = p->new_tls + (p->tls_size + p->tls_align) -- * a_fetch_add(&p->new_tls_idx,1); -- mem += ((uintptr_t)p->tls_image - (uintptr_t)mem) -- & (p->tls_align-1); -- self->dtv[p->tls_id] = mem; -- memcpy(mem, p->tls_image, p->tls_len); -- if (p->tls_id == v[0]) break; -- } -- __restore_sigs(&set); -- return mem + v[1] + DTP_OFFSET; --} -- --static void update_tls_size() --{ -- libc.tls_size = ALIGN( -- (1+tls_cnt) * sizeof(void *) + -- tls_offset + -- sizeof(struct pthread) + -- tls_align * 2, -- tls_align); --} -- --/* Stage 1 of the dynamic linker is defined in dlstart.c. It calls the -- * following stage 2 and stage 3 functions via primitive symbolic lookup -- * since it does not have access to their addresses to begin with. */ -- --/* Stage 2 of the dynamic linker is called after relative relocations -- * have been processed. It can make function calls to static functions -- * and access string literals and static data, but cannot use extern -- * symbols. Its job is to perform symbolic relocations on the dynamic -- * linker itself, but some of the relocations performed may need to be -- * replaced later due to copy relocations in the main program. */ -- --__attribute__((__visibility__("hidden"))) --void __dls2(unsigned char *base, size_t *sp) --{ -- if (DL_FDPIC) { -- void *p1 = (void *)sp[-2]; -- void *p2 = (void *)sp[-1]; -- if (!p1) { -- size_t *auxv, aux[AUX_CNT]; -- for (auxv=sp+1+*sp+1; *auxv; auxv++); auxv++; -- decode_vec(auxv, aux, AUX_CNT); -- if (aux[AT_BASE]) ldso.base = (void *)aux[AT_BASE]; -- else ldso.base = (void *)(aux[AT_PHDR] & -4096); -- } -- app_loadmap = p2 ? p1 : 0; -- ldso.loadmap = p2 ? p2 : p1; -- ldso.base = laddr(&ldso, 0); -- } else { -- ldso.base = base; -- } -- Ehdr *ehdr = (void *)ldso.base; -- ldso.name = ldso.shortname = "libc.so"; -- ldso.global = 1; -- ldso.phnum = ehdr->e_phnum; -- ldso.phdr = laddr(&ldso, ehdr->e_phoff); -- ldso.phentsize = ehdr->e_phentsize; -- kernel_mapped_dso(&ldso); -- decode_dyn(&ldso); -- -- if (DL_FDPIC) makefuncdescs(&ldso); -- -- /* Prepare storage for to save clobbered REL addends so they -- * can be reused in stage 3. There should be very few. If -- * something goes wrong and there are a huge number, abort -- * instead of risking stack overflow. */ -- size_t dyn[DYN_CNT]; -- decode_vec(ldso.dynv, dyn, DYN_CNT); -- size_t *rel = laddr(&ldso, dyn[DT_REL]); -- size_t rel_size = dyn[DT_RELSZ]; -- size_t symbolic_rel_cnt = 0; -- apply_addends_to = rel; -- for (; rel_size; rel+=2, rel_size-=2*sizeof(size_t)) -- if (!IS_RELATIVE(rel[1], ldso.syms)) symbolic_rel_cnt++; -- if (symbolic_rel_cnt >= ADDEND_LIMIT) a_crash(); -- size_t addends[symbolic_rel_cnt+1]; -- saved_addends = addends; -- -- head = &ldso; -- reloc_all(&ldso); -- -- ldso.relocated = 0; -- -- /* Call dynamic linker stage-3, __dls3, looking it up -- * symbolically as a barrier against moving the address -- * load across the above relocation processing. */ -- struct symdef dls3_def = find_sym(&ldso, "__dls3", 0); -- if (DL_FDPIC) ((stage3_func)&ldso.funcdescs[dls3_def.sym-ldso.syms])(sp); -- else ((stage3_func)laddr(&ldso, dls3_def.sym->st_value))(sp); --} -- --/* Stage 3 of the dynamic linker is called with the dynamic linker/libc -- * fully functional. Its job is to load (if not already loaded) and -- * process dependencies and relocations for the main application and -- * transfer control to its entry point. */ -- --_Noreturn void __dls3(size_t *sp) --{ -- static struct dso app, vdso; -- size_t aux[AUX_CNT], *auxv; -- size_t i; -- char *env_preload=0; -- size_t vdso_base; -- int argc = *sp; -- char **argv = (void *)(sp+1); -- char **argv_orig = argv; -- char **envp = argv+argc+1; -- -- /* Find aux vector just past environ[] and use it to initialize -- * global data that may be needed before we can make syscalls. */ -- __environ = envp; -- for (i=argc+1; argv[i]; i++); -- libc.auxv = auxv = (void *)(argv+i+1); -- decode_vec(auxv, aux, AUX_CNT); -- __hwcap = aux[AT_HWCAP]; -- libc.page_size = aux[AT_PAGESZ]; -- libc.secure = ((aux[0]&0x7800)!=0x7800 || aux[AT_UID]!=aux[AT_EUID] -- || aux[AT_GID]!=aux[AT_EGID] || aux[AT_SECURE]); -- -- /* Setup early thread pointer in builtin_tls for ldso/libc itself to -- * use during dynamic linking. If possible it will also serve as the -- * thread pointer at runtime. */ -- libc.tls_size = sizeof builtin_tls; -- if (__init_tp(__copy_tls((void *)builtin_tls)) < 0) { -- a_crash(); -- } -- -- /* Only trust user/env if kernel says we're not suid/sgid */ -- if (!libc.secure) { -- env_path = getenv("LD_LIBRARY_PATH"); -- env_preload = getenv("LD_PRELOAD"); -- } -- -- /* If the main program was already loaded by the kernel, -- * AT_PHDR will point to some location other than the dynamic -- * linker's program headers. */ -- if (aux[AT_PHDR] != (size_t)ldso.phdr) { -- size_t interp_off = 0; -- size_t tls_image = 0; -- /* Find load address of the main program, via AT_PHDR vs PT_PHDR. */ -- Phdr *phdr = app.phdr = (void *)aux[AT_PHDR]; -- app.phnum = aux[AT_PHNUM]; -- app.phentsize = aux[AT_PHENT]; -- for (i=aux[AT_PHNUM]; i; i--, phdr=(void *)((char *)phdr + aux[AT_PHENT])) { -- if (phdr->p_type == PT_PHDR) -- app.base = (void *)(aux[AT_PHDR] - phdr->p_vaddr); -- else if (phdr->p_type == PT_INTERP) -- interp_off = (size_t)phdr->p_vaddr; -- else if (phdr->p_type == PT_TLS) { -- tls_image = phdr->p_vaddr; -- app.tls_len = phdr->p_filesz; -- app.tls_size = phdr->p_memsz; -- app.tls_align = phdr->p_align; -- } -- } -- if (DL_FDPIC) app.loadmap = app_loadmap; -- if (app.tls_size) app.tls_image = laddr(&app, tls_image); -- if (interp_off) ldso.name = laddr(&app, interp_off); -- if ((aux[0] & (1UL<<AT_EXECFN)) -- && strncmp((char *)aux[AT_EXECFN], "/proc/", 6)) -- app.name = (char *)aux[AT_EXECFN]; -- else -- app.name = argv[0]; -- kernel_mapped_dso(&app); -- } else { -- int fd; -- char *ldname = argv[0]; -- size_t l = strlen(ldname); -- if (l >= 3 && !strcmp(ldname+l-3, "ldd")) ldd_mode = 1; -- argv++; -- while (argv[0] && argv[0][0]=='-' && argv[0][1]=='-') { -- char *opt = argv[0]+2; -- *argv++ = (void *)-1; -- if (!*opt) { -- break; -- } else if (!memcmp(opt, "list", 5)) { -- ldd_mode = 1; -- } else if (!memcmp(opt, "library-path", 12)) { -- if (opt[12]=='=') env_path = opt+13; -- else if (opt[12]) *argv = 0; -- else if (*argv) env_path = *argv++; -- } else if (!memcmp(opt, "preload", 7)) { -- if (opt[7]=='=') env_preload = opt+8; -- else if (opt[7]) *argv = 0; -- else if (*argv) env_preload = *argv++; -- } else { -- argv[0] = 0; -- } -- } -- argv[-1] = (void *)(argc - (argv-argv_orig)); -- if (!argv[0]) { -- dprintf(2, "musl libc\n" -- "Version %s\n" -- "Dynamic Program Loader\n" -- "Usage: %s [options] [--] pathname%s\n", -- __libc_get_version(), ldname, -- ldd_mode ? "" : " [args]"); -- _exit(1); -- } -- fd = open(argv[0], O_RDONLY); -- if (fd < 0) { -- dprintf(2, "%s: cannot load %s: %s\n", ldname, argv[0], strerror(errno)); -- _exit(1); -- } -- runtime = 1; -- Ehdr *ehdr = (void *)map_library(fd, &app); -- if (!ehdr) { -- dprintf(2, "%s: %s: Not a valid dynamic program\n", ldname, argv[0]); -- _exit(1); -- } -- runtime = 0; -- close(fd); -- ldso.name = ldname; -- app.name = argv[0]; -- aux[AT_ENTRY] = (size_t)laddr(&app, ehdr->e_entry); -- /* Find the name that would have been used for the dynamic -- * linker had ldd not taken its place. */ -- if (ldd_mode) { -- for (i=0; i<app.phnum; i++) { -- if (app.phdr[i].p_type == PT_INTERP) -- ldso.name = laddr(&app, app.phdr[i].p_vaddr); -- } -- dprintf(1, "\t%s (%p)\n", ldso.name, ldso.base); -- } -- } -- if (app.tls_size) { -- app.tls_id = tls_cnt = 1; --#ifdef TLS_ABOVE_TP -- app.tls_offset = 0; -- tls_offset = app.tls_size -- + ( -((uintptr_t)app.tls_image + app.tls_size) -- & (app.tls_align-1) ); --#else -- tls_offset = app.tls_offset = app.tls_size -- + ( -((uintptr_t)app.tls_image + app.tls_size) -- & (app.tls_align-1) ); --#endif -- tls_align = MAXP2(tls_align, app.tls_align); -- } -- app.global = 1; -- decode_dyn(&app); -- if (DL_FDPIC) { -- makefuncdescs(&app); -- if (!app.loadmap) { -- app.loadmap = (void *)&app_dummy_loadmap; -- app.loadmap->nsegs = 1; -- app.loadmap->segs[0].addr = (size_t)app.map; -- app.loadmap->segs[0].p_vaddr = (size_t)app.map -- - (size_t)app.base; -- app.loadmap->segs[0].p_memsz = app.map_len; -- } -- argv[-3] = (void *)app.loadmap; -- } -- -- /* Attach to vdso, if provided by the kernel */ -- if (search_vec(auxv, &vdso_base, AT_SYSINFO_EHDR)) { -- Ehdr *ehdr = (void *)vdso_base; -- Phdr *phdr = vdso.phdr = (void *)(vdso_base + ehdr->e_phoff); -- vdso.phnum = ehdr->e_phnum; -- vdso.phentsize = ehdr->e_phentsize; -- for (i=ehdr->e_phnum; i; i--, phdr=(void *)((char *)phdr + ehdr->e_phentsize)) { -- if (phdr->p_type == PT_DYNAMIC) -- vdso.dynv = (void *)(vdso_base + phdr->p_offset); -- if (phdr->p_type == PT_LOAD) -- vdso.base = (void *)(vdso_base - phdr->p_vaddr + phdr->p_offset); -- } -- vdso.name = ""; -- vdso.shortname = "linux-gate.so.1"; -- vdso.global = 1; -- vdso.relocated = 1; -- decode_dyn(&vdso); -- vdso.prev = &ldso; -- ldso.next = &vdso; -- } -- -- /* Initial dso chain consists only of the app. */ -- head = tail = &app; -- -- /* Donate unused parts of app and library mapping to malloc */ -- reclaim_gaps(&app); -- reclaim_gaps(&ldso); -- -- /* Load preload/needed libraries, add their symbols to the global -- * namespace, and perform all remaining relocations. */ -- if (env_preload) load_preload(env_preload); -- load_deps(&app); -- make_global(&app); -- --#ifndef DYNAMIC_IS_RO -- for (i=0; app.dynv[i]; i+=2) -- if (app.dynv[i]==DT_DEBUG) -- app.dynv[i+1] = (size_t)&debug; --#endif -- -- /* The main program must be relocated LAST since it may contin -- * copy relocations which depend on libraries' relocations. */ -- reloc_all(app.next); -- reloc_all(&app); -- -- update_tls_size(); -- if (libc.tls_size > sizeof builtin_tls || tls_align > MIN_TLS_ALIGN) { -- void *initial_tls = calloc(libc.tls_size, 1); -- if (!initial_tls) { -- dprintf(2, "%s: Error getting %zu bytes thread-local storage: %m\n", -- argv[0], libc.tls_size); -- _exit(127); -- } -- if (__init_tp(__copy_tls(initial_tls)) < 0) { -- a_crash(); -- } -- } else { -- size_t tmp_tls_size = libc.tls_size; -- pthread_t self = __pthread_self(); -- /* Temporarily set the tls size to the full size of -- * builtin_tls so that __copy_tls will use the same layout -- * as it did for before. Then check, just to be safe. */ -- libc.tls_size = sizeof builtin_tls; -- if (__copy_tls((void*)builtin_tls) != self) a_crash(); -- libc.tls_size = tmp_tls_size; -- } -- static_tls_cnt = tls_cnt; -- -- if (ldso_fail) _exit(127); -- if (ldd_mode) _exit(0); -- -- /* Switch to runtime mode: any further failures in the dynamic -- * linker are a reportable failure rather than a fatal startup -- * error. */ -- runtime = 1; -- -- debug.ver = 1; -- debug.bp = dl_debug_state; -- debug.head = head; -- debug.base = ldso.base; -- debug.state = 0; -- _dl_debug_state(); -- -- __init_libc(envp, argv[0]); -- atexit(do_fini); -- errno = 0; -- -- CRTJMP((void *)aux[AT_ENTRY], argv-1); -- for(;;); --} -- --void *dlopen(const char *file, int mode) --{ -- struct dso *volatile p, *orig_tail, *next; -- size_t orig_tls_cnt, orig_tls_offset, orig_tls_align; -- size_t i; -- int cs; -- jmp_buf jb; -- -- if (!file) return head; -- -- pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); -- pthread_rwlock_wrlock(&lock); -- __inhibit_ptc(); -- -- p = 0; -- orig_tls_cnt = tls_cnt; -- orig_tls_offset = tls_offset; -- orig_tls_align = tls_align; -- orig_tail = tail; -- noload = mode & RTLD_NOLOAD; -- -- rtld_fail = &jb; -- if (setjmp(*rtld_fail)) { -- /* Clean up anything new that was (partially) loaded */ -- if (p && p->deps) for (i=0; p->deps[i]; i++) -- if (p->deps[i]->global < 0) -- p->deps[i]->global = 0; -- for (p=orig_tail->next; p; p=next) { -- next = p->next; -- while (p->td_index) { -- void *tmp = p->td_index->next; -- free(p->td_index); -- p->td_index = tmp; -- } -- free(p->funcdescs); -- if (p->rpath != p->rpath_orig) -- free(p->rpath); -- free(p->deps); -- unmap_library(p); -- free(p); -- } -- tls_cnt = orig_tls_cnt; -- tls_offset = orig_tls_offset; -- tls_align = orig_tls_align; -- tail = orig_tail; -- tail->next = 0; -- p = 0; -- goto end; -- } else p = load_library(file, head); -- -- if (!p) { -- error(noload ? -- "Library %s is not already loaded" : -- "Error loading shared library %s: %m", -- file); -- goto end; -- } -- -- /* First load handling */ -- if (!p->deps) { -- load_deps(p); -- if (p->deps) for (i=0; p->deps[i]; i++) -- if (!p->deps[i]->global) -- p->deps[i]->global = -1; -- if (!p->global) p->global = -1; -- reloc_all(p); -- if (p->deps) for (i=0; p->deps[i]; i++) -- if (p->deps[i]->global < 0) -- p->deps[i]->global = 0; -- if (p->global < 0) p->global = 0; -- } -- -- if (mode & RTLD_GLOBAL) { -- if (p->deps) for (i=0; p->deps[i]; i++) -- p->deps[i]->global = 1; -- p->global = 1; -- } -- -- update_tls_size(); -- _dl_debug_state(); -- orig_tail = tail; --end: -- __release_ptc(); -- if (p) gencnt++; -- pthread_rwlock_unlock(&lock); -- if (p) do_init_fini(orig_tail); -- pthread_setcancelstate(cs, 0); -- return p; --} -- --static int invalid_dso_handle(void *h) --{ -- struct dso *p; -- for (p=head; p; p=p->next) if (h==p) return 0; -- error("Invalid library handle %p", (void *)h); -- return 1; --} -- --static void *addr2dso(size_t a) --{ -- struct dso *p; -- size_t i; -- if (DL_FDPIC) for (p=head; p; p=p->next) { -- i = count_syms(p); -- if (a-(size_t)p->funcdescs < i*sizeof(*p->funcdescs)) -- return p; -- } -- for (p=head; p; p=p->next) { -- if (DL_FDPIC && p->loadmap) { -- for (i=0; i<p->loadmap->nsegs; i++) { -- if (a-p->loadmap->segs[i].p_vaddr -- < p->loadmap->segs[i].p_memsz) -- return p; -- } -- } else { -- if (a-(size_t)p->map < p->map_len) -- return p; -- } -- } -- return 0; --} -- --void *__tls_get_addr(size_t *); -- --static void *do_dlsym(struct dso *p, const char *s, void *ra) --{ -- size_t i; -- uint32_t h = 0, gh = 0, *ght; -- Sym *sym; -- if (p == head || p == RTLD_DEFAULT || p == RTLD_NEXT) { -- if (p == RTLD_DEFAULT) { -- p = head; -- } else if (p == RTLD_NEXT) { -- p = addr2dso((size_t)ra); -- if (!p) p=head; -- p = p->next; -- } -- struct symdef def = find_sym(p, s, 0); -- if (!def.sym) goto failed; -- if ((def.sym->st_info&0xf) == STT_TLS) -- return __tls_get_addr((size_t []){def.dso->tls_id, def.sym->st_value}); -- if (DL_FDPIC && (def.sym->st_info&0xf) == STT_FUNC) -- return def.dso->funcdescs + (def.sym - def.dso->syms); -- return laddr(def.dso, def.sym->st_value); -- } -- if (invalid_dso_handle(p)) -- return 0; -- if ((ght = p->ghashtab)) { -- gh = gnu_hash(s); -- sym = gnu_lookup(gh, ght, p, s); -- } else { -- h = sysv_hash(s); -- sym = sysv_lookup(s, h, p); -- } -- if (sym && (sym->st_info&0xf) == STT_TLS) -- return __tls_get_addr((size_t []){p->tls_id, sym->st_value}); -- if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC) -- return p->funcdescs + (sym - p->syms); -- if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES)) -- return laddr(p, sym->st_value); -- if (p->deps) for (i=0; p->deps[i]; i++) { -- if ((ght = p->deps[i]->ghashtab)) { -- if (!gh) gh = gnu_hash(s); -- sym = gnu_lookup(gh, ght, p->deps[i], s); -- } else { -- if (!h) h = sysv_hash(s); -- sym = sysv_lookup(s, h, p->deps[i]); -- } -- if (sym && (sym->st_info&0xf) == STT_TLS) -- return __tls_get_addr((size_t []){p->deps[i]->tls_id, sym->st_value}); -- if (DL_FDPIC && sym && sym->st_shndx && (sym->st_info&0xf) == STT_FUNC) -- return p->deps[i]->funcdescs + (sym - p->deps[i]->syms); -- if (sym && sym->st_value && (1<<(sym->st_info&0xf) & OK_TYPES)) -- return laddr(p->deps[i], sym->st_value); -- } --failed: -- error("Symbol not found: %s", s); -- return 0; --} -- --int __dladdr(const void *addr, Dl_info *info) --{ -- struct dso *p; -- Sym *sym, *bestsym; -- uint32_t nsym; -- char *strings; -- void *best = 0; -- -- pthread_rwlock_rdlock(&lock); -- p = addr2dso((size_t)addr); -- pthread_rwlock_unlock(&lock); -- -- if (!p) return 0; -- -- sym = p->syms; -- strings = p->strings; -- nsym = count_syms(p); -- -- if (DL_FDPIC) { -- size_t idx = ((size_t)addr-(size_t)p->funcdescs) -- / sizeof(*p->funcdescs); -- if (idx < nsym && (sym[idx].st_info&0xf) == STT_FUNC) { -- best = p->funcdescs + idx; -- bestsym = sym + idx; -- } -- } -- -- if (!best) for (; nsym; nsym--, sym++) { -- if (sym->st_value -- && (1<<(sym->st_info&0xf) & OK_TYPES) -- && (1<<(sym->st_info>>4) & OK_BINDS)) { -- void *symaddr = laddr(p, sym->st_value); -- if (symaddr > addr || symaddr < best) -- continue; -- best = symaddr; -- bestsym = sym; -- if (addr == symaddr) -- break; -- } -- } -- -- if (!best) return 0; -- -- if (DL_FDPIC && (bestsym->st_info&0xf) == STT_FUNC) -- best = p->funcdescs + (bestsym - p->syms); -- -- info->dli_fname = p->name; -- info->dli_fbase = p->base; -- info->dli_sname = strings + bestsym->st_name; -- info->dli_saddr = best; -- -- return 1; --} -- --__attribute__((__visibility__("hidden"))) --void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra) --{ -- void *res; -- pthread_rwlock_rdlock(&lock); -- res = do_dlsym(p, s, ra); -- pthread_rwlock_unlock(&lock); -- return res; --} -- --int dl_iterate_phdr(int(*callback)(struct dl_phdr_info *info, size_t size, void *data), void *data) --{ -- struct dso *current; -- struct dl_phdr_info info; -- int ret = 0; -- for(current = head; current;) { -- info.dlpi_addr = (uintptr_t)current->base; -- info.dlpi_name = current->name; -- info.dlpi_phdr = current->phdr; -- info.dlpi_phnum = current->phnum; -- info.dlpi_adds = gencnt; -- info.dlpi_subs = 0; -- info.dlpi_tls_modid = current->tls_id; -- info.dlpi_tls_data = current->tls_image; -- -- ret = (callback)(&info, sizeof (info), data); -- -- if (ret != 0) break; -- -- pthread_rwlock_rdlock(&lock); -- current = current->next; -- pthread_rwlock_unlock(&lock); -- } -- return ret; --} --#else --static int invalid_dso_handle(void *h) --{ -- error("Invalid library handle %p", (void *)h); -- return 1; --} --void *dlopen(const char *file, int mode) --{ -- error("Dynamic loading not supported"); -- return 0; --} --void *__dlsym(void *restrict p, const char *restrict s, void *restrict ra) --{ -- error("Symbol not found: %s", s); -- return 0; --} --int __dladdr (const void *addr, Dl_info *info) --{ -- return 0; --} --#endif -- --int __dlinfo(void *dso, int req, void *res) --{ -- if (invalid_dso_handle(dso)) return -1; -- if (req != RTLD_DI_LINKMAP) { -- error("Unsupported request %d", req); -- return -1; -- } -- *(struct link_map **)res = dso; -- return 0; --} -- --char *dlerror() --{ -- pthread_t self = __pthread_self(); -- if (!self->dlerror_flag) return 0; -- self->dlerror_flag = 0; -- char *s = self->dlerror_buf; -- if (s == (void *)-1) -- return "Dynamic linker failed to allocate memory for error message"; -- else -- return s; --} -- --int dlclose(void *p) --{ -- return invalid_dso_handle(p); --} -- --void __dl_thread_cleanup(void) --{ -- pthread_t self = __pthread_self(); -- if (self->dlerror_buf != (void *)-1) -- free(self->dlerror_buf); --} -- --static void error(const char *fmt, ...) --{ -- va_list ap; -- va_start(ap, fmt); --#ifdef SHARED -- if (!runtime) { -- vdprintf(2, fmt, ap); -- dprintf(2, "\n"); -- ldso_fail = 1; -- va_end(ap); -- return; -- } --#endif -- pthread_t self = __pthread_self(); -- if (self->dlerror_buf != (void *)-1) -- free(self->dlerror_buf); -- size_t len = vsnprintf(0, 0, fmt, ap); -- va_end(ap); -- char *buf = malloc(len+1); -- if (buf) { -- va_start(ap, fmt); -- vsnprintf(buf, len+1, fmt, ap); -- va_end(ap); -- } else { -- buf = (void *)-1; -- } -- self->dlerror_buf = buf; -- self->dlerror_flag = 1; --} ---- a/src/ldso/tlsdesc.c -+++ b/src/ldso/tlsdesc.c -@@ -1,5 +1,3 @@ --#ifdef SHARED -- - #include <stddef.h> - #include "libc.h" - -@@ -12,5 +10,3 @@ ptrdiff_t __tlsdesc_static() - } - - weak_alias(__tlsdesc_static, __tlsdesc_dynamic); -- --#endif ---- a/src/legacy/utmpx.c -+++ b/src/legacy/utmpx.c -@@ -1,5 +1,6 @@ - #include <utmpx.h> - #include <stddef.h> -+#include <errno.h> - #include "libc.h" - - void endutxent(void) -@@ -34,6 +35,12 @@ void updwtmpx(const char *f, const struc - { - } - -+int __utmpxname(const char *f) -+{ -+ errno = ENOTSUP; -+ return -1; -+} -+ - weak_alias(endutxent, endutent); - weak_alias(setutxent, setutent); - weak_alias(getutxent, getutent); -@@ -41,3 +48,5 @@ weak_alias(getutxid, getutid); - weak_alias(getutxline, getutline); - weak_alias(pututxline, pututline); - weak_alias(updwtmpx, updwtmp); -+weak_alias(__utmpxname, utmpname); -+weak_alias(__utmpxname, utmpxname); ---- /dev/null -+++ b/src/linux/x32/sysinfo.c -@@ -0,0 +1,50 @@ -+#include <sys/sysinfo.h> -+#include "syscall.h" -+#include "libc.h" -+ -+#define klong long long -+#define kulong unsigned long long -+ -+struct kernel_sysinfo { -+ klong uptime; -+ kulong loads[3]; -+ kulong totalram; -+ kulong freeram; -+ kulong sharedram; -+ kulong bufferram; -+ kulong totalswap; -+ kulong freeswap; -+ short procs; -+ short pad; -+ kulong totalhigh; -+ kulong freehigh; -+ unsigned mem_unit; -+}; -+ -+int __lsysinfo(struct sysinfo *info) -+{ -+ struct kernel_sysinfo tmp; -+ int ret = syscall(SYS_sysinfo, &tmp); -+ if(ret == -1) return ret; -+ info->uptime = tmp.uptime; -+ info->loads[0] = tmp.loads[0]; -+ info->loads[1] = tmp.loads[1]; -+ info->loads[2] = tmp.loads[2]; -+ kulong shifts; -+ kulong max = tmp.totalram | tmp.totalswap; -+ __asm__("bsr %1,%0" : "=r"(shifts) : "r"(max)); -+ shifts = shifts >= 32 ? shifts - 31 : 0; -+ info->totalram = tmp.totalram >> shifts; -+ info->freeram = tmp.freeram >> shifts; -+ info->sharedram = tmp.sharedram >> shifts; -+ info->bufferram = tmp.bufferram >> shifts; -+ info->totalswap = tmp.totalswap >> shifts; -+ info->freeswap = tmp.freeswap >> shifts; -+ info->procs = tmp.procs ; -+ info->totalhigh = tmp.totalhigh >> shifts; -+ info->freehigh = tmp.freehigh >> shifts; -+ info->mem_unit = (tmp.mem_unit ? tmp.mem_unit : 1) << shifts; -+ return ret; -+} -+ -+weak_alias(__lsysinfo, sysinfo); ---- a/src/linux/x32/sysinfo.s -+++ /dev/null -@@ -1 +0,0 @@ --# see arch/x32/src/sysinfo.c ---- a/src/locale/langinfo.c -+++ b/src/locale/langinfo.c -@@ -37,23 +37,23 @@ char *__nl_langinfo_l(nl_item item, loca - - switch (cat) { - case LC_NUMERIC: -- if (idx > 1) return NULL; -+ if (idx > 1) return ""; - str = c_numeric; - break; - case LC_TIME: -- if (idx > 0x31) return NULL; -+ if (idx > 0x31) return ""; - str = c_time; - break; - case LC_MONETARY: -- if (idx > 0) return NULL; -+ if (idx > 0) return ""; - str = ""; - break; - case LC_MESSAGES: -- if (idx > 3) return NULL; -+ if (idx > 3) return ""; - str = c_messages; - break; - default: -- return NULL; -+ return ""; - } - - for (; idx; idx--, str++) for (; *str; str++); ---- a/src/malloc/lite_malloc.c -+++ b/src/malloc/lite_malloc.c -@@ -8,7 +8,7 @@ - - void *__expand_heap(size_t *); - --void *__simple_malloc(size_t n) -+static void *__simple_malloc(size_t n) - { - static char *cur, *end; - static volatile int lock[2]; ---- a/src/math/__rem_pio2.c -+++ b/src/math/__rem_pio2.c -@@ -118,7 +118,7 @@ int __rem_pio2(double x, double *y) - if (ix < 0x413921fb) { /* |x| ~< 2^20*(pi/2), medium size */ - medium: - /* rint(x/(pi/2)), Assume round-to-nearest. */ -- fn = x*invpio2 + toint - toint; -+ fn = (double_t)x*invpio2 + toint - toint; - n = (int32_t)fn; - r = x - fn*pio2_1; - w = fn*pio2_1t; /* 1st round, good to 85 bits */ ---- a/src/math/__rem_pio2f.c -+++ b/src/math/__rem_pio2f.c -@@ -51,7 +51,7 @@ int __rem_pio2f(float x, double *y) - /* 25+53 bit pi is good enough for medium size */ - if (ix < 0x4dc90fdb) { /* |x| ~< 2^28*(pi/2), medium size */ - /* Use a specialized rint() to get fn. Assume round-to-nearest. */ -- fn = x*invpio2 + toint - toint; -+ fn = (double_t)x*invpio2 + toint - toint; - n = (int32_t)fn; - *y = x - fn*pio2_1 - fn*pio2_1t; - return n; ---- /dev/null -+++ b/src/math/arm/fabs.c -@@ -0,0 +1,15 @@ -+#include <math.h> -+ -+#if __ARM_PCS_VFP -+ -+double fabs(double x) -+{ -+ __asm__ ("vabs.f64 %P0, %P1" : "=w"(x) : "w"(x)); -+ return x; -+} -+ -+#else -+ -+#include "../fabs.c" -+ -+#endif ---- /dev/null -+++ b/src/math/arm/fabsf.c -@@ -0,0 +1,15 @@ -+#include <math.h> -+ -+#if __ARM_PCS_VFP -+ -+float fabsf(float x) -+{ -+ __asm__ ("vabs.f32 %0, %1" : "=t"(x) : "t"(x)); -+ return x; -+} -+ -+#else -+ -+#include "../fabsf.c" -+ -+#endif ---- /dev/null -+++ b/src/math/arm/sqrt.c -@@ -0,0 +1,15 @@ -+#include <math.h> -+ -+#if __VFP_FP__ && !__SOFTFP__ -+ -+double sqrt(double x) -+{ -+ __asm__ ("vsqrt.f64 %P0, %P1" : "=w"(x) : "w"(x)); -+ return x; -+} -+ -+#else -+ -+#include "../sqrt.c" -+ -+#endif ---- /dev/null -+++ b/src/math/arm/sqrtf.c -@@ -0,0 +1,15 @@ -+#include <math.h> -+ -+#if __VFP_FP__ && !__SOFTFP__ -+ -+float sqrtf(float x) -+{ -+ __asm__ ("vsqrt.f32 %0, %1" : "=t"(x) : "t"(x)); -+ return x; -+} -+ -+#else -+ -+#include "../sqrtf.c" -+ -+#endif ---- a/src/math/armebhf/fabs.sub -+++ /dev/null -@@ -1 +0,0 @@ --../armhf/fabs.s ---- a/src/math/armebhf/fabsf.sub -+++ /dev/null -@@ -1 +0,0 @@ --../armhf/fabsf.s ---- a/src/math/armebhf/sqrt.sub -+++ /dev/null -@@ -1 +0,0 @@ --../armhf/sqrt.s ---- a/src/math/armebhf/sqrtf.sub -+++ /dev/null -@@ -1 +0,0 @@ --../armhf/sqrtf.s ---- a/src/math/armhf/fabs.s -+++ /dev/null -@@ -1,7 +0,0 @@ --.fpu vfp --.text --.global fabs --.type fabs,%function --fabs: -- vabs.f64 d0, d0 -- bx lr ---- a/src/math/armhf/fabs.sub -+++ /dev/null -@@ -1 +0,0 @@ --fabs.s ---- a/src/math/armhf/fabsf.s -+++ /dev/null -@@ -1,7 +0,0 @@ --.fpu vfp --.text --.global fabsf --.type fabsf,%function --fabsf: -- vabs.f32 s0, s0 -- bx lr ---- a/src/math/armhf/fabsf.sub -+++ /dev/null -@@ -1 +0,0 @@ --fabsf.s ---- a/src/math/armhf/sqrt.s -+++ /dev/null -@@ -1,7 +0,0 @@ --.fpu vfp --.text --.global sqrt --.type sqrt,%function --sqrt: -- vsqrt.f64 d0, d0 -- bx lr ---- a/src/math/armhf/sqrt.sub -+++ /dev/null -@@ -1 +0,0 @@ --sqrt.s ---- a/src/math/armhf/sqrtf.s -+++ /dev/null -@@ -1,7 +0,0 @@ --.fpu vfp --.text --.global sqrtf --.type sqrtf,%function --sqrtf: -- vsqrt.f32 s0, s0 -- bx lr ---- a/src/math/armhf/sqrtf.sub -+++ /dev/null -@@ -1 +0,0 @@ --sqrtf.s ---- a/src/math/hypot.c -+++ b/src/math/hypot.c -@@ -12,10 +12,10 @@ static void sq(double_t *hi, double_t *l - { - double_t xh, xl, xc; - -- xc = x*SPLIT; -+ xc = (double_t)x*SPLIT; - xh = x - xc + xc; - xl = x - xh; -- *hi = x*x; -+ *hi = (double_t)x*x; - *lo = xh*xh - *hi + 2*xh*xl + xl*xl; - } - ---- a/src/mman/mremap.c -+++ b/src/mman/mremap.c -@@ -1,17 +1,31 @@ -+#define _GNU_SOURCE - #include <unistd.h> - #include <sys/mman.h> -+#include <errno.h> -+#include <stdint.h> - #include <stdarg.h> - #include "syscall.h" - #include "libc.h" - -+static void dummy(void) { } -+weak_alias(dummy, __vm_wait); -+ - void *__mremap(void *old_addr, size_t old_len, size_t new_len, int flags, ...) - { - va_list ap; -- void *new_addr; -- -- va_start(ap, flags); -- new_addr = va_arg(ap, void *); -- va_end(ap); -+ void *new_addr = 0; -+ -+ if (new_len >= PTRDIFF_MAX) { -+ errno = ENOMEM; -+ return MAP_FAILED; -+ } -+ -+ if (flags & MREMAP_FIXED) { -+ __vm_wait(); -+ va_start(ap, flags); -+ new_addr = va_arg(ap, void *); -+ va_end(ap); -+ } - - return (void *)syscall(SYS_mremap, old_addr, old_len, new_len, flags, new_addr); - } ---- a/src/network/getifaddrs.c -+++ b/src/network/getifaddrs.c -@@ -162,13 +162,26 @@ static int netlink_msg_to_ifaddr(void *p - for (rta = NLMSG_RTA(h, sizeof(*ifa)); NLMSG_RTAOK(rta, h); rta = RTA_NEXT(rta)) { - switch (rta->rta_type) { - case IFA_ADDRESS: -- copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); -+ /* If ifa_addr is already set we, received an IFA_LOCAL before -+ * so treat this as destination address */ -+ if (ifs->ifa.ifa_addr) -+ copy_addr(&ifs->ifa.ifa_dstaddr, ifa->ifa_family, &ifs->ifu, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); -+ else -+ copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); - break; - case IFA_BROADCAST: -- /* For point-to-point links this is peer, but ifa_broadaddr -- * and ifa_dstaddr are union, so this works for both. */ - copy_addr(&ifs->ifa.ifa_broadaddr, ifa->ifa_family, &ifs->ifu, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); - break; -+ case IFA_LOCAL: -+ /* If ifa_addr is set and we get IFA_LOCAL, assume we have -+ * a point-to-point network. Move address to correct field. */ -+ if (ifs->ifa.ifa_addr) { -+ ifs->ifu = ifs->addr; -+ ifs->ifa.ifa_dstaddr = &ifs->ifu.sa; -+ memset(&ifs->addr, 0, sizeof(ifs->addr)); -+ } -+ copy_addr(&ifs->ifa.ifa_addr, ifa->ifa_family, &ifs->addr, RTA_DATA(rta), RTA_DATALEN(rta), ifa->ifa_index); -+ break; - case IFA_LABEL: - if (RTA_DATALEN(rta) < sizeof(ifs->name)) { - memcpy(ifs->name, RTA_DATA(rta), RTA_DATALEN(rta)); ---- a/src/network/getnameinfo.c -+++ b/src/network/getnameinfo.c -@@ -135,13 +135,13 @@ int getnameinfo(const struct sockaddr *r - switch (af) { - case AF_INET: - a = (void *)&((struct sockaddr_in *)sa)->sin_addr; -- if (sl != sizeof(struct sockaddr_in)) return EAI_FAMILY; -+ if (sl < sizeof(struct sockaddr_in)) return EAI_FAMILY; - mkptr4(ptr, a); - scopeid = 0; - break; - case AF_INET6: - a = (void *)&((struct sockaddr_in6 *)sa)->sin6_addr; -- if (sl != sizeof(struct sockaddr_in6)) return EAI_FAMILY; -+ if (sl < sizeof(struct sockaddr_in6)) return EAI_FAMILY; - if (memcmp(a, "\0\0\0\0\0\0\0\0\0\0\xff\xff", 12)) - mkptr6(ptr, a); - else ---- a/src/network/if_nametoindex.c -+++ b/src/network/if_nametoindex.c -@@ -10,7 +10,7 @@ unsigned if_nametoindex(const char *name - struct ifreq ifr; - int fd, r; - -- if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return -1; -+ if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return 0; - strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name); - r = ioctl(fd, SIOCGIFINDEX, &ifr); - __syscall(SYS_close, fd); ---- a/src/network/lookup.h -+++ b/src/network/lookup.h -@@ -2,6 +2,7 @@ - #define LOOKUP_H - - #include <stdint.h> -+#include <stddef.h> - - struct address { - int family; -@@ -15,6 +16,14 @@ struct service { - unsigned char proto, socktype; - }; - -+#define MAXNS 3 -+ -+struct resolvconf { -+ struct address ns[MAXNS]; -+ unsigned nns, attempts, ndots; -+ unsigned timeout; -+}; -+ - /* The limit of 48 results is a non-sharp bound on the number of addresses - * that can fit in one 512-byte DNS packet full of v4 results and a second - * packet full of v6 results. Due to headers, the actual limit is lower. */ -@@ -25,4 +34,6 @@ int __lookup_serv(struct service buf[sta - int __lookup_name(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, int flags); - int __lookup_ipliteral(struct address buf[static 1], const char *name, int family); - -+int __get_resolv_conf(struct resolvconf *, char *, size_t); -+ - #endif ---- a/src/network/lookup_name.c -+++ b/src/network/lookup_name.c -@@ -9,6 +9,7 @@ - #include <fcntl.h> - #include <unistd.h> - #include <pthread.h> -+#include <errno.h> - #include "lookup.h" - #include "stdio_impl.h" - #include "syscall.h" -@@ -51,7 +52,14 @@ static int name_from_hosts(struct addres - int cnt = 0; - unsigned char _buf[1032]; - FILE _f, *f = __fopen_rb_ca("/etc/hosts", &_f, _buf, sizeof _buf); -- if (!f) return 0; -+ if (!f) switch (errno) { -+ case ENOENT: -+ case ENOTDIR: -+ case EACCES: -+ return 0; -+ default: -+ return EAI_SYSTEM; -+ } - while (fgets(line, sizeof line, f) && cnt < MAXADDRS) { - char *p, *z; - -@@ -85,7 +93,7 @@ struct dpc_ctx { - int __dns_parse(const unsigned char *, int, int (*)(void *, int, const void *, int, const void *), void *); - int __dn_expand(const unsigned char *, const unsigned char *, const unsigned char *, char *, int); - int __res_mkquery(int, const char *, int, int, const unsigned char *, int, const unsigned char*, unsigned char *, int); --int __res_msend(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int); -+int __res_msend_rc(int, const unsigned char *const *, const int *, unsigned char *const *, int *, int, const struct resolvconf *); - - #define RR_A 1 - #define RR_CNAME 5 -@@ -117,7 +125,7 @@ static int dns_parse_callback(void *c, i - return 0; - } - --static int name_from_dns(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family) -+static int name_from_dns(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family, const struct resolvconf *conf) - { - unsigned char qbuf[2][280], abuf[2][512]; - const unsigned char *qp[2] = { qbuf[0], qbuf[1] }; -@@ -137,17 +145,59 @@ static int name_from_dns(struct address - nq++; - } - -- if (__res_msend(nq, qp, qlens, ap, alens, sizeof *abuf) < 0) return EAI_SYSTEM; -+ if (__res_msend_rc(nq, qp, qlens, ap, alens, sizeof *abuf, conf) < 0) -+ return EAI_SYSTEM; - - for (i=0; i<nq; i++) - __dns_parse(abuf[i], alens[i], dns_parse_callback, &ctx); - - if (ctx.cnt) return ctx.cnt; - if (alens[0] < 4 || (abuf[0][3] & 15) == 2) return EAI_AGAIN; -- if ((abuf[0][3] & 15) == 3) return EAI_NONAME; -+ if ((abuf[0][3] & 15) == 0) return EAI_NONAME; -+ if ((abuf[0][3] & 15) == 3) return 0; - return EAI_FAIL; - } - -+static int name_from_dns_search(struct address buf[static MAXADDRS], char canon[static 256], const char *name, int family) -+{ -+ char search[256]; -+ struct resolvconf conf; -+ size_t l, dots; -+ char *p, *z; -+ -+ if (__get_resolv_conf(&conf, search, sizeof search) < 0) return -1; -+ -+ /* Count dots, suppress search when >=ndots or name ends in -+ * a dot, which is an explicit request for global scope. */ -+ for (dots=l=0; name[l]; l++) if (name[l]=='.') dots++; -+ if (dots >= conf.ndots || name[l-1]=='.') *search = 0; -+ -+ /* This can never happen; the caller already checked length. */ -+ if (l >= 256) return EAI_NONAME; -+ -+ /* Name with search domain appended is setup in canon[]. This both -+ * provides the desired default canonical name (if the requested -+ * name is not a CNAME record) and serves as a buffer for passing -+ * the full requested name to name_from_dns. */ -+ memcpy(canon, name, l); -+ canon[l] = '.'; -+ -+ for (p=search; *p; p=z) { -+ for (; isspace(*p); p++); -+ for (z=p; *z && !isspace(*z); z++); -+ if (z==p) break; -+ if (z-p < 256 - l - 1) { -+ memcpy(canon+l+1, p, z-p); -+ canon[z-p+1+l] = 0; -+ int cnt = name_from_dns(buf, canon, canon, family, &conf); -+ if (cnt) return cnt; -+ } -+ } -+ -+ canon[l] = 0; -+ return name_from_dns(buf, canon, name, family, &conf); -+} -+ - static const struct policy { - unsigned char addr[16]; - unsigned char len, mask; -@@ -248,7 +298,7 @@ int __lookup_name(struct address buf[sta - if (!cnt) cnt = name_from_numeric(buf, name, family); - if (!cnt && !(flags & AI_NUMERICHOST)) { - cnt = name_from_hosts(buf, canon, name, family); -- if (!cnt) cnt = name_from_dns(buf, canon, name, family); -+ if (!cnt) cnt = name_from_dns_search(buf, canon, name, family); - } - if (cnt<=0) return cnt ? cnt : EAI_NONAME; - ---- a/src/network/lookup_serv.c -+++ b/src/network/lookup_serv.c -@@ -4,6 +4,7 @@ - #include <ctype.h> - #include <string.h> - #include <fcntl.h> -+#include <errno.h> - #include "lookup.h" - #include "stdio_impl.h" - -@@ -69,7 +70,14 @@ int __lookup_serv(struct service buf[sta - - unsigned char _buf[1032]; - FILE _f, *f = __fopen_rb_ca("/etc/services", &_f, _buf, sizeof _buf); -- if (!f) return EAI_SERVICE; -+ if (!f) switch (errno) { -+ case ENOENT: -+ case ENOTDIR: -+ case EACCES: -+ return EAI_SERVICE; -+ default: -+ return EAI_SYSTEM; -+ } - - while (fgets(line, sizeof line, f) && cnt < MAXSERVS) { - if ((p=strchr(line, '#'))) *p++='\n', *p=0; ---- a/src/network/proto.c -+++ b/src/network/proto.c -@@ -9,21 +9,36 @@ static const unsigned char protos[] = { - "\001icmp\0" - "\002igmp\0" - "\003ggp\0" -+ "\004ipencap\0" -+ "\005st\0" - "\006tcp\0" -+ "\008egp\0" - "\014pup\0" - "\021udp\0" -- "\026idp\0" -+ "\024hmp\0" -+ "\026xns-idp\0" -+ "\033rdp\0" -+ "\035iso-tp4\0" -+ "\044xtp\0" -+ "\045ddp\0" -+ "\046idpr-cmtp\0" - "\051ipv6\0" - "\053ipv6-route\0" - "\054ipv6-frag\0" -+ "\055idrp\0" -+ "\056rsvp\0" - "\057gre\0" - "\062esp\0" - "\063ah\0" -+ "\071skip\0" - "\072ipv6-icmp\0" - "\073ipv6-nonxt\0" - "\074ipv6-opts\0" -+ "\111rspf\0" -+ "\121vmtp\0" - "\131ospf\0" - "\136ipip\0" -+ "\142encap\0" - "\147pim\0" - "\377raw" - }; ---- a/src/network/res_msend.c -+++ b/src/network/res_msend.c -@@ -27,18 +27,16 @@ static unsigned long mtime() - + ts.tv_nsec / 1000000; - } - --int __res_msend(int nqueries, const unsigned char *const *queries, -- const int *qlens, unsigned char *const *answers, int *alens, int asize) -+int __res_msend_rc(int nqueries, const unsigned char *const *queries, -+ const int *qlens, unsigned char *const *answers, int *alens, int asize, -+ const struct resolvconf *conf) - { - int fd; -- FILE *f, _f; -- unsigned char _buf[256]; -- char line[64], *s, *z; -- int timeout = 5000, attempts = 2, retry_interval, servfail_retry; -+ int timeout, attempts, retry_interval, servfail_retry; - union { - struct sockaddr_in sin; - struct sockaddr_in6 sin6; -- } sa = {0}, ns[3] = {{0}}; -+ } sa = {0}, ns[MAXNS] = {{0}}; - socklen_t sl = sizeof sa.sin; - int nns = 0; - int family = AF_INET; -@@ -48,57 +46,27 @@ int __res_msend(int nqueries, const unsi - int cs; - struct pollfd pfd; - unsigned long t0, t1, t2; -- struct address iplit; - - pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); - -- /* Get nameservers from resolv.conf, fallback to localhost */ -- f = __fopen_rb_ca("/etc/resolv.conf", &_f, _buf, sizeof _buf); -- if (f) for (nns=0; nns<3 && fgets(line, sizeof line, f); ) { -- if (!strncmp(line, "options", 7) && isspace(line[7])) { -- unsigned long x; -- char *p, *z; -- p = strstr(line, "timeout:"); -- if (p && isdigit(p[8])) { -- p += 8; -- x = strtoul(p, &z, 10); -- if (z != p) timeout = x < 30 ? x*1000 : 30000; -- } -- p = strstr(line, "attempts:"); -- if (p && isdigit(p[9])) { -- p += 9; -- x = strtoul(p, &z, 10); -- if (z != p) attempts = x < 10 ? x : 10; -- if (!attempts) attempts = 1; -- } -- } -- if (strncmp(line, "nameserver", 10) || !isspace(line[10])) -- continue; -- for (s=line+11; isspace(*s); s++); -- for (z=s; *z && !isspace(*z); z++); -- *z=0; -+ timeout = 1000*conf->timeout; -+ attempts = conf->attempts; - -- if (__lookup_ipliteral(&iplit, s, AF_UNSPEC)>0) { -- if (iplit.family == AF_INET) { -- memcpy(&ns[nns].sin.sin_addr, iplit.addr, 4); -- ns[nns].sin.sin_port = htons(53); -- ns[nns++].sin.sin_family = AF_INET; -- } else { -- sl = sizeof sa.sin6; -- memcpy(&ns[nns].sin6.sin6_addr, iplit.addr, 16); -- ns[nns].sin6.sin6_port = htons(53); -- ns[nns].sin6.sin6_scope_id = iplit.scopeid; -- ns[nns++].sin6.sin6_family = family = AF_INET6; -- } -+ nns = conf->nns; -+ for (nns=0; nns<conf->nns; nns++) { -+ const struct address *iplit = &conf->ns[nns]; -+ if (iplit->family == AF_INET) { -+ memcpy(&ns[nns].sin.sin_addr, iplit->addr, 4); -+ ns[nns].sin.sin_port = htons(53); -+ ns[nns].sin.sin_family = AF_INET; -+ } else { -+ sl = sizeof sa.sin6; -+ memcpy(&ns[nns].sin6.sin6_addr, iplit->addr, 16); -+ ns[nns].sin6.sin6_port = htons(53); -+ ns[nns].sin6.sin6_scope_id = iplit->scopeid; -+ ns[nns].sin6.sin6_family = family = AF_INET6; - } - } -- if (f) __fclose_ca(f); -- if (!nns) { -- ns[0].sin.sin_family = AF_INET; -- ns[0].sin.sin_port = htons(53); -- ns[0].sin.sin_addr.s_addr = htonl(0x7f000001); -- nns=1; -- } - - /* Get local address and open/bind a socket */ - sa.sin.sin_family = family; -@@ -207,3 +175,11 @@ out: - - return 0; - } -+ -+int __res_msend(int nqueries, const unsigned char *const *queries, -+ const int *qlens, unsigned char *const *answers, int *alens, int asize) -+{ -+ struct resolvconf conf; -+ if (__get_resolv_conf(&conf, 0, 0) < 0) return -1; -+ return __res_msend_rc(nqueries, queries, qlens, answers, alens, asize, &conf); -+} ---- /dev/null -+++ b/src/network/resolvconf.c -@@ -0,0 +1,93 @@ -+#include "lookup.h" -+#include "stdio_impl.h" -+#include <ctype.h> -+#include <errno.h> -+#include <string.h> -+#include <netinet/in.h> -+ -+int __get_resolv_conf(struct resolvconf *conf, char *search, size_t search_sz) -+{ -+ char line[256]; -+ unsigned char _buf[256]; -+ FILE *f, _f; -+ int nns = 0; -+ -+ conf->ndots = 1; -+ conf->timeout = 5; -+ conf->attempts = 2; -+ if (search) *search = 0; -+ -+ f = __fopen_rb_ca("/etc/resolv.conf", &_f, _buf, sizeof _buf); -+ if (!f) switch (errno) { -+ case ENOENT: -+ case ENOTDIR: -+ case EACCES: -+ goto no_resolv_conf; -+ default: -+ return -1; -+ } -+ -+ while (fgets(line, sizeof line, f)) { -+ char *p, *z; -+ if (!strchr(line, '\n') && !feof(f)) { -+ /* Ignore lines that get truncated rather than -+ * potentially misinterpreting them. */ -+ int c; -+ do c = getc(f); -+ while (c != '\n' && c != EOF); -+ continue; -+ } -+ if (!strncmp(line, "options", 7) && isspace(line[7])) { -+ p = strstr(line, "ndots:"); -+ if (p && isdigit(p[6])) { -+ p += 6; -+ unsigned long x = strtoul(p, &z, 10); -+ if (z != p) conf->ndots = x > 15 ? 15 : x; -+ } -+ p = strstr(line, "attempts:"); -+ if (p && isdigit(p[6])) { -+ p += 6; -+ unsigned long x = strtoul(p, &z, 10); -+ if (z != p) conf->attempts = x > 10 ? 10 : x; -+ } -+ p = strstr(line, "timeout:"); -+ if (p && (isdigit(p[8]) || p[8]=='.')) { -+ p += 8; -+ unsigned long x = strtoul(p, &z, 10); -+ if (z != p) conf->timeout = x > 60 ? 60 : x; -+ } -+ continue; -+ } -+ if (!strncmp(line, "nameserver", 10) && isspace(line[10])) { -+ if (nns >= MAXNS) continue; -+ for (p=line+11; isspace(*p); p++); -+ for (z=p; *z && !isspace(*z); z++); -+ *z=0; -+ if (__lookup_ipliteral(conf->ns+nns, p, AF_UNSPEC) > 0) -+ nns++; -+ continue; -+ } -+ -+ if (!search) continue; -+ if ((strncmp(line, "domain", 6) && strncmp(line, "search", 6)) -+ || !isspace(line[6])) -+ continue; -+ for (p=line+7; isspace(*p); p++); -+ size_t l = strlen(p); -+ /* This can never happen anyway with chosen buffer sizes. */ -+ if (l >= search_sz) continue; -+ memcpy(search, p, l+1); -+ } -+ -+ __fclose_ca(f); -+ -+no_resolv_conf: -+ if (!nns) { -+ __lookup_ipliteral(conf->ns, "127.0.0.1", AF_UNSPEC); -+ nns = 1; -+ } -+ -+ conf->nns = nns; -+ -+ return 0; -+} ---- a/src/search/tsearch_avl.c -+++ b/src/search/tsearch_avl.c -@@ -77,38 +77,45 @@ static struct node *find(struct node *n, - return find(n->right, k, cmp); - } - --static struct node *insert(struct node **n, const void *k, -- int (*cmp)(const void *, const void *), int *new) -+static struct node *insert(struct node *n, const void *k, -+ int (*cmp)(const void *, const void *), struct node **found) - { -- struct node *r = *n; -+ struct node *r; - int c; - -- if (!r) { -- *n = r = malloc(sizeof **n); -- if (r) { -- r->key = k; -- r->left = r->right = 0; -- r->height = 1; -+ if (!n) { -+ n = malloc(sizeof *n); -+ if (n) { -+ n->key = k; -+ n->left = n->right = 0; -+ n->height = 1; - } -- *new = 1; -- return r; -+ *found = n; -+ return n; -+ } -+ c = cmp(k, n->key); -+ if (c == 0) { -+ *found = n; -+ return 0; -+ } -+ r = insert(c < 0 ? n->left : n->right, k, cmp, found); -+ if (r) { -+ if (c < 0) -+ n->left = r; -+ else -+ n->right = r; -+ r = balance(n); - } -- c = cmp(k, r->key); -- if (c == 0) -- return r; -- if (c < 0) -- r = insert(&r->left, k, cmp, new); -- else -- r = insert(&r->right, k, cmp, new); -- if (*new) -- *n = balance(*n); - return r; - } - --static struct node *movr(struct node *n, struct node *r) { -- if (!n) -- return r; -- n->right = movr(n->right, r); -+static struct node *remove_rightmost(struct node *n, struct node **rightmost) -+{ -+ if (!n->right) { -+ *rightmost = n; -+ return n->left; -+ } -+ n->right = remove_rightmost(n->right, rightmost); - return balance(n); - } - -@@ -122,7 +129,13 @@ static struct node *remove(struct node * - c = cmp(k, (*n)->key); - if (c == 0) { - struct node *r = *n; -- *n = movr(r->left, r->right); -+ if (r->left) { -+ r->left = remove_rightmost(r->left, n); -+ (*n)->left = r->left; -+ (*n)->right = r->right; -+ *n = balance(*n); -+ } else -+ *n = r->right; - free(r); - return parent; - } -@@ -138,6 +151,8 @@ static struct node *remove(struct node * - void *tdelete(const void *restrict key, void **restrict rootp, - int(*compar)(const void *, const void *)) - { -+ if (!rootp) -+ return 0; - struct node *n = *rootp; - struct node *ret; - /* last argument is arbitrary non-null pointer -@@ -150,17 +165,21 @@ void *tdelete(const void *restrict key, - void *tfind(const void *key, void *const *rootp, - int(*compar)(const void *, const void *)) - { -+ if (!rootp) -+ return 0; - return find(*rootp, key, compar); - } - - void *tsearch(const void *key, void **rootp, - int (*compar)(const void *, const void *)) - { -- int new = 0; -- struct node *n = *rootp; -+ struct node *update; - struct node *ret; -- ret = insert(&n, key, compar, &new); -- *rootp = n; -+ if (!rootp) -+ return 0; -+ update = insert(*rootp, key, compar, &ret); -+ if (update) -+ *rootp = update; - return ret; - } - ---- a/src/setjmp/arm/longjmp.s -+++ b/src/setjmp/arm/longjmp.s -@@ -1,3 +1,4 @@ -+.syntax unified - .global _longjmp - .global longjmp - .type _longjmp,%function -@@ -20,7 +21,11 @@ longjmp: - ldc p2, cr4, [ip], #48 - 2: tst r1,#0x40 - beq 2f -- .word 0xecbc8b10 /* vldmia ip!, {d8-d15} */ -+ .fpu vfp -+ vldmia ip!, {d8-d15} -+ .fpu softvfp -+ .eabi_attribute 10, 0 -+ .eabi_attribute 27, 0 - 2: tst r1,#0x200 - beq 3f - ldcl p1, cr10, [ip], #8 -@@ -29,9 +34,7 @@ longjmp: - ldcl p1, cr13, [ip], #8 - ldcl p1, cr14, [ip], #8 - ldcl p1, cr15, [ip], #8 --3: tst lr,#1 -- moveq pc,lr -- bx lr -+3: bx lr - - .hidden __hwcap - 1: .word __hwcap-1b ---- a/src/setjmp/arm/setjmp.s -+++ b/src/setjmp/arm/setjmp.s -@@ -1,3 +1,4 @@ -+.syntax unified - .global __setjmp - .global _setjmp - .global setjmp -@@ -22,7 +23,11 @@ setjmp: - stc p2, cr4, [ip], #48 - 2: tst r1,#0x40 - beq 2f -- .word 0xecac8b10 /* vstmia ip!, {d8-d15} */ -+ .fpu vfp -+ vstmia ip!, {d8-d15} -+ .fpu softvfp -+ .eabi_attribute 10, 0 -+ .eabi_attribute 27, 0 - 2: tst r1,#0x200 - beq 3f - stcl p1, cr10, [ip], #8 -@@ -31,9 +36,7 @@ setjmp: - stcl p1, cr13, [ip], #8 - stcl p1, cr14, [ip], #8 - stcl p1, cr15, [ip], #8 --3: tst lr,#1 -- moveq pc,lr -- bx lr -+3: bx lr - - .hidden __hwcap - 1: .word __hwcap-1b ---- a/src/setjmp/mips-sf/longjmp.s -+++ /dev/null -@@ -1,25 +0,0 @@ --.set noreorder -- --.global _longjmp --.global longjmp --.type _longjmp,@function --.type longjmp,@function --_longjmp: --longjmp: -- move $2, $5 -- bne $2, $0, 1f -- nop -- addu $2, $2, 1 --1: lw $ra, 0($4) -- lw $sp, 4($4) -- lw $16, 8($4) -- lw $17, 12($4) -- lw $18, 16($4) -- lw $19, 20($4) -- lw $20, 24($4) -- lw $21, 28($4) -- lw $22, 32($4) -- lw $23, 36($4) -- lw $30, 40($4) -- jr $ra -- lw $28, 44($4) ---- a/src/setjmp/mips-sf/longjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --longjmp.s ---- a/src/setjmp/mips-sf/setjmp.s -+++ /dev/null -@@ -1,25 +0,0 @@ --.set noreorder -- --.global __setjmp --.global _setjmp --.global setjmp --.type __setjmp,@function --.type _setjmp,@function --.type setjmp,@function --__setjmp: --_setjmp: --setjmp: -- sw $ra, 0($4) -- sw $sp, 4($4) -- sw $16, 8($4) -- sw $17, 12($4) -- sw $18, 16($4) -- sw $19, 20($4) -- sw $20, 24($4) -- sw $21, 28($4) -- sw $22, 32($4) -- sw $23, 36($4) -- sw $30, 40($4) -- sw $28, 44($4) -- jr $ra -- li $2, 0 ---- a/src/setjmp/mips-sf/setjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --setjmp.s ---- /dev/null -+++ b/src/setjmp/mips/longjmp.S -@@ -0,0 +1,40 @@ -+.set noreorder -+ -+.global _longjmp -+.global longjmp -+.type _longjmp,@function -+.type longjmp,@function -+_longjmp: -+longjmp: -+ move $2, $5 -+ bne $2, $0, 1f -+ nop -+ addu $2, $2, 1 -+1: -+#ifndef __mips_soft_float -+ lwc1 $20, 56($4) -+ lwc1 $21, 60($4) -+ lwc1 $22, 64($4) -+ lwc1 $23, 68($4) -+ lwc1 $24, 72($4) -+ lwc1 $25, 76($4) -+ lwc1 $26, 80($4) -+ lwc1 $27, 84($4) -+ lwc1 $28, 88($4) -+ lwc1 $29, 92($4) -+ lwc1 $30, 96($4) -+ lwc1 $31, 100($4) -+#endif -+ lw $ra, 0($4) -+ lw $sp, 4($4) -+ lw $16, 8($4) -+ lw $17, 12($4) -+ lw $18, 16($4) -+ lw $19, 20($4) -+ lw $20, 24($4) -+ lw $21, 28($4) -+ lw $22, 32($4) -+ lw $23, 36($4) -+ lw $30, 40($4) -+ jr $ra -+ lw $28, 44($4) ---- a/src/setjmp/mips/longjmp.s -+++ /dev/null -@@ -1,37 +0,0 @@ --.set noreorder -- --.global _longjmp --.global longjmp --.type _longjmp,@function --.type longjmp,@function --_longjmp: --longjmp: -- move $2, $5 -- bne $2, $0, 1f -- nop -- addu $2, $2, 1 --1: lwc1 $20, 56($4) -- lwc1 $21, 60($4) -- lwc1 $22, 64($4) -- lwc1 $23, 68($4) -- lwc1 $24, 72($4) -- lwc1 $25, 76($4) -- lwc1 $26, 80($4) -- lwc1 $27, 84($4) -- lwc1 $28, 88($4) -- lwc1 $29, 92($4) -- lwc1 $30, 96($4) -- lwc1 $31, 100($4) -- lw $ra, 0($4) -- lw $sp, 4($4) -- lw $16, 8($4) -- lw $17, 12($4) -- lw $18, 16($4) -- lw $19, 20($4) -- lw $20, 24($4) -- lw $21, 28($4) -- lw $22, 32($4) -- lw $23, 36($4) -- lw $30, 40($4) -- jr $ra -- lw $28, 44($4) ---- /dev/null -+++ b/src/setjmp/mips/setjmp.S -@@ -0,0 +1,39 @@ -+.set noreorder -+ -+.global __setjmp -+.global _setjmp -+.global setjmp -+.type __setjmp,@function -+.type _setjmp,@function -+.type setjmp,@function -+__setjmp: -+_setjmp: -+setjmp: -+ sw $ra, 0($4) -+ sw $sp, 4($4) -+ sw $16, 8($4) -+ sw $17, 12($4) -+ sw $18, 16($4) -+ sw $19, 20($4) -+ sw $20, 24($4) -+ sw $21, 28($4) -+ sw $22, 32($4) -+ sw $23, 36($4) -+ sw $30, 40($4) -+ sw $28, 44($4) -+#ifndef __mips_soft_float -+ swc1 $20, 56($4) -+ swc1 $21, 60($4) -+ swc1 $22, 64($4) -+ swc1 $23, 68($4) -+ swc1 $24, 72($4) -+ swc1 $25, 76($4) -+ swc1 $26, 80($4) -+ swc1 $27, 84($4) -+ swc1 $28, 88($4) -+ swc1 $29, 92($4) -+ swc1 $30, 96($4) -+ swc1 $31, 100($4) -+#endif -+ jr $ra -+ li $2, 0 ---- a/src/setjmp/mips/setjmp.s -+++ /dev/null -@@ -1,37 +0,0 @@ --.set noreorder -- --.global __setjmp --.global _setjmp --.global setjmp --.type __setjmp,@function --.type _setjmp,@function --.type setjmp,@function --__setjmp: --_setjmp: --setjmp: -- sw $ra, 0($4) -- sw $sp, 4($4) -- sw $16, 8($4) -- sw $17, 12($4) -- sw $18, 16($4) -- sw $19, 20($4) -- sw $20, 24($4) -- sw $21, 28($4) -- sw $22, 32($4) -- sw $23, 36($4) -- sw $30, 40($4) -- sw $28, 44($4) -- swc1 $20, 56($4) -- swc1 $21, 60($4) -- swc1 $22, 64($4) -- swc1 $23, 68($4) -- swc1 $24, 72($4) -- swc1 $25, 76($4) -- swc1 $26, 80($4) -- swc1 $27, 84($4) -- swc1 $28, 88($4) -- swc1 $29, 92($4) -- swc1 $30, 96($4) -- swc1 $31, 100($4) -- jr $ra -- li $2, 0 ---- a/src/setjmp/mipsel-sf/longjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --../mips-sf/longjmp.s ---- a/src/setjmp/mipsel-sf/setjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --../mips-sf/setjmp.s ---- a/src/setjmp/sh-nofpu/longjmp.s -+++ /dev/null -@@ -1,22 +0,0 @@ --.global _longjmp --.global longjmp --.type _longjmp, @function --.type longjmp, @function --_longjmp: --longjmp: -- mov.l @r4+, r8 -- mov.l @r4+, r9 -- mov.l @r4+, r10 -- mov.l @r4+, r11 -- mov.l @r4+, r12 -- mov.l @r4+, r13 -- mov.l @r4+, r14 -- mov.l @r4+, r15 -- lds.l @r4+, pr -- -- tst r5, r5 -- movt r0 -- add r5, r0 -- -- rts -- nop ---- a/src/setjmp/sh-nofpu/longjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --longjmp.s ---- a/src/setjmp/sh-nofpu/setjmp.s -+++ /dev/null -@@ -1,24 +0,0 @@ --.global ___setjmp --.hidden ___setjmp --.global __setjmp --.global _setjmp --.global setjmp --.type __setjmp, @function --.type _setjmp, @function --.type setjmp, @function --___setjmp: --__setjmp: --_setjmp: --setjmp: -- add #36, r4 -- sts.l pr, @-r4 -- mov.l r15 @-r4 -- mov.l r14, @-r4 -- mov.l r13, @-r4 -- mov.l r12, @-r4 -- mov.l r11, @-r4 -- mov.l r10, @-r4 -- mov.l r9, @-r4 -- mov.l r8, @-r4 -- rts -- mov #0, r0 ---- a/src/setjmp/sh-nofpu/setjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --setjmp.s ---- /dev/null -+++ b/src/setjmp/sh/longjmp.S -@@ -0,0 +1,28 @@ -+.global _longjmp -+.global longjmp -+.type _longjmp, @function -+.type longjmp, @function -+_longjmp: -+longjmp: -+ mov.l @r4+, r8 -+ mov.l @r4+, r9 -+ mov.l @r4+, r10 -+ mov.l @r4+, r11 -+ mov.l @r4+, r12 -+ mov.l @r4+, r13 -+ mov.l @r4+, r14 -+ mov.l @r4+, r15 -+ lds.l @r4+, pr -+#if __SH_FPU_ANY__ || __SH4__ -+ fmov.s @r4+, fr12 -+ fmov.s @r4+, fr13 -+ fmov.s @r4+, fr14 -+ fmov.s @r4+, fr15 -+#endif -+ -+ tst r5, r5 -+ movt r0 -+ add r5, r0 -+ -+ rts -+ nop ---- a/src/setjmp/sh/longjmp.s -+++ /dev/null -@@ -1,26 +0,0 @@ --.global _longjmp --.global longjmp --.type _longjmp, @function --.type longjmp, @function --_longjmp: --longjmp: -- mov.l @r4+, r8 -- mov.l @r4+, r9 -- mov.l @r4+, r10 -- mov.l @r4+, r11 -- mov.l @r4+, r12 -- mov.l @r4+, r13 -- mov.l @r4+, r14 -- mov.l @r4+, r15 -- lds.l @r4+, pr -- fmov.s @r4+, fr12 -- fmov.s @r4+, fr13 -- fmov.s @r4+, fr14 -- fmov.s @r4+, fr15 -- -- tst r5, r5 -- movt r0 -- add r5, r0 -- -- rts -- nop ---- /dev/null -+++ b/src/setjmp/sh/setjmp.S -@@ -0,0 +1,32 @@ -+.global ___setjmp -+.hidden ___setjmp -+.global __setjmp -+.global _setjmp -+.global setjmp -+.type __setjmp, @function -+.type _setjmp, @function -+.type setjmp, @function -+___setjmp: -+__setjmp: -+_setjmp: -+setjmp: -+#if __SH_FPU_ANY__ || __SH4__ -+ add #52, r4 -+ fmov.s fr15, @-r4 -+ fmov.s fr14, @-r4 -+ fmov.s fr13, @-r4 -+ fmov.s fr12, @-r4 -+#else -+ add #36, r4 -+#endif -+ sts.l pr, @-r4 -+ mov.l r15, @-r4 -+ mov.l r14, @-r4 -+ mov.l r13, @-r4 -+ mov.l r12, @-r4 -+ mov.l r11, @-r4 -+ mov.l r10, @-r4 -+ mov.l r9, @-r4 -+ mov.l r8, @-r4 -+ rts -+ mov #0, r0 ---- a/src/setjmp/sh/setjmp.s -+++ /dev/null -@@ -1,28 +0,0 @@ --.global ___setjmp --.hidden ___setjmp --.global __setjmp --.global _setjmp --.global setjmp --.type __setjmp, @function --.type _setjmp, @function --.type setjmp, @function --___setjmp: --__setjmp: --_setjmp: --setjmp: -- add #52, r4 -- fmov.s fr15, @-r4 -- fmov.s fr14, @-r4 -- fmov.s fr13, @-r4 -- fmov.s fr12, @-r4 -- sts.l pr, @-r4 -- mov.l r15, @-r4 -- mov.l r14, @-r4 -- mov.l r13, @-r4 -- mov.l r12, @-r4 -- mov.l r11, @-r4 -- mov.l r10, @-r4 -- mov.l r9, @-r4 -- mov.l r8, @-r4 -- rts -- mov #0, r0 ---- a/src/setjmp/sheb-nofpu/longjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --../sh-nofpu/longjmp.s ---- a/src/setjmp/sheb-nofpu/setjmp.sub -+++ /dev/null -@@ -1 +0,0 @@ --../sh-nofpu/setjmp.s ---- a/src/signal/arm/restore.s -+++ b/src/signal/arm/restore.s -@@ -1,3 +1,5 @@ -+.syntax unified -+ - .global __restore - .type __restore,%function - __restore: ---- a/src/signal/arm/sigsetjmp.s -+++ b/src/signal/arm/sigsetjmp.s -@@ -1,3 +1,4 @@ -+.syntax unified - .global sigsetjmp - .global __sigsetjmp - .type sigsetjmp,%function ---- a/src/signal/sigaction.c -+++ b/src/signal/sigaction.c -@@ -17,10 +17,6 @@ void __get_handler_set(sigset_t *set) - int __libc_sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old) - { - struct k_sigaction ksa, ksa_old; -- if (sig >= (unsigned)_NSIG) { -- errno = EINVAL; -- return -1; -- } - if (sa) { - if ((uintptr_t)sa->sa_handler > 1UL) { - a_or_l(handler_set+(sig-1)/(8*sizeof(long)), -@@ -57,7 +53,7 @@ int __libc_sigaction(int sig, const stru - - int __sigaction(int sig, const struct sigaction *restrict sa, struct sigaction *restrict old) - { -- if (sig-32U < 3) { -+ if (sig-32U < 3 || sig-1U >= _NSIG-1) { - errno = EINVAL; - return -1; - } ---- a/src/signal/sigsetjmp_tail.c -+++ b/src/signal/sigsetjmp_tail.c -@@ -2,9 +2,7 @@ - #include <signal.h> - #include "syscall.h" - --#ifdef SHARED - __attribute__((__visibility__("hidden"))) --#endif - int __sigsetjmp_tail(sigjmp_buf jb, int ret) - { - void *p = jb->__ss; ---- a/src/stdio/getdelim.c -+++ b/src/stdio/getdelim.c -@@ -27,17 +27,18 @@ ssize_t getdelim(char **restrict s, size - for (;;) { - z = memchr(f->rpos, delim, f->rend - f->rpos); - k = z ? z - f->rpos + 1 : f->rend - f->rpos; -- if (i+k >= *n) { -+ if (i+k+1 >= *n) { - if (k >= SIZE_MAX/2-i) goto oom; -- *n = i+k+2; -- if (*n < SIZE_MAX/4) *n *= 2; -- tmp = realloc(*s, *n); -+ size_t m = i+k+2; -+ if (!z && m < SIZE_MAX/4) m += m/2; -+ tmp = realloc(*s, m); - if (!tmp) { -- *n = i+k+2; -- tmp = realloc(*s, *n); -+ m = i+k+2; -+ tmp = realloc(*s, m); - if (!tmp) goto oom; - } - *s = tmp; -+ *n = m; - } - memcpy(*s+i, f->rpos, k); - f->rpos += k; ---- /dev/null -+++ b/src/string/arm/__aeabi_memclr.c -@@ -0,0 +1,9 @@ -+#include <string.h> -+#include "libc.h" -+ -+void __aeabi_memclr(void *dest, size_t n) -+{ -+ memset(dest, 0, n); -+} -+weak_alias(__aeabi_memclr, __aeabi_memclr4); -+weak_alias(__aeabi_memclr, __aeabi_memclr8); ---- /dev/null -+++ b/src/string/arm/__aeabi_memcpy.c -@@ -0,0 +1,9 @@ -+#include <string.h> -+#include "libc.h" -+ -+void __aeabi_memcpy(void *restrict dest, const void *restrict src, size_t n) -+{ -+ memcpy(dest, src, n); -+} -+weak_alias(__aeabi_memcpy, __aeabi_memcpy4); -+weak_alias(__aeabi_memcpy, __aeabi_memcpy8); ---- /dev/null -+++ b/src/string/arm/__aeabi_memmove.c -@@ -0,0 +1,9 @@ -+#include <string.h> -+#include "libc.h" -+ -+void __aeabi_memmove(void *dest, const void *src, size_t n) -+{ -+ memmove(dest, src, n); -+} -+weak_alias(__aeabi_memmove, __aeabi_memmove4); -+weak_alias(__aeabi_memmove, __aeabi_memmove8); ---- /dev/null -+++ b/src/string/arm/__aeabi_memset.c -@@ -0,0 +1,9 @@ -+#include <string.h> -+#include "libc.h" -+ -+void __aeabi_memset(void *dest, size_t n, int c) -+{ -+ memset(dest, c, n); -+} -+weak_alias(__aeabi_memset, __aeabi_memset4); -+weak_alias(__aeabi_memset, __aeabi_memset8); ---- /dev/null -+++ b/src/string/arm/memcpy.c -@@ -0,0 +1,3 @@ -+#if __ARMEB__ -+#include "../memcpy.c" -+#endif ---- /dev/null -+++ b/src/string/arm/memcpy_le.S -@@ -0,0 +1,383 @@ -+#ifndef __ARMEB__ -+ -+/* -+ * Copyright (C) 2008 The Android Open Source Project -+ * All rights reserved. -+ * -+ * Redistribution and use in source and binary forms, with or without -+ * modification, are permitted provided that the following conditions -+ * are met: -+ * * Redistributions of source code must retain the above copyright -+ * notice, this list of conditions and the following disclaimer. -+ * * Redistributions in binary form must reproduce the above copyright -+ * notice, this list of conditions and the following disclaimer in -+ * the documentation and/or other materials provided with the -+ * distribution. -+ * -+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT -+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -+ * SUCH DAMAGE. -+ */ -+ -+ -+/* -+ * Optimized memcpy() for ARM. -+ * -+ * note that memcpy() always returns the destination pointer, -+ * so we have to preserve R0. -+ */ -+ -+/* -+ * This file has been modified from the original for use in musl libc. -+ * The main changes are: addition of .type memcpy,%function to make the -+ * code safely callable from thumb mode, adjusting the return -+ * instructions to be compatible with pre-thumb ARM cpus, and removal -+ * of prefetch code that is not compatible with older cpus. -+ */ -+ -+.syntax unified -+ -+.global memcpy -+.type memcpy,%function -+memcpy: -+ /* The stack must always be 64-bits aligned to be compliant with the -+ * ARM ABI. Since we have to save R0, we might as well save R4 -+ * which we can use for better pipelining of the reads below -+ */ -+ .fnstart -+ .save {r0, r4, lr} -+ stmfd sp!, {r0, r4, lr} -+ /* Making room for r5-r11 which will be spilled later */ -+ .pad #28 -+ sub sp, sp, #28 -+ -+ /* it simplifies things to take care of len<4 early */ -+ cmp r2, #4 -+ blo copy_last_3_and_return -+ -+ /* compute the offset to align the source -+ * offset = (4-(src&3))&3 = -src & 3 -+ */ -+ rsb r3, r1, #0 -+ ands r3, r3, #3 -+ beq src_aligned -+ -+ /* align source to 32 bits. We need to insert 2 instructions between -+ * a ldr[b|h] and str[b|h] because byte and half-word instructions -+ * stall 2 cycles. -+ */ -+ movs r12, r3, lsl #31 -+ sub r2, r2, r3 /* we know that r3 <= r2 because r2 >= 4 */ -+ ldrbmi r3, [r1], #1 -+ ldrbcs r4, [r1], #1 -+ ldrbcs r12,[r1], #1 -+ strbmi r3, [r0], #1 -+ strbcs r4, [r0], #1 -+ strbcs r12,[r0], #1 -+ -+src_aligned: -+ -+ /* see if src and dst are aligned together (congruent) */ -+ eor r12, r0, r1 -+ tst r12, #3 -+ bne non_congruent -+ -+ /* Use post-incriment mode for stm to spill r5-r11 to reserved stack -+ * frame. Don't update sp. -+ */ -+ stmea sp, {r5-r11} -+ -+ /* align the destination to a cache-line */ -+ rsb r3, r0, #0 -+ ands r3, r3, #0x1C -+ beq congruent_aligned32 -+ cmp r3, r2 -+ andhi r3, r2, #0x1C -+ -+ /* conditionnaly copies 0 to 7 words (length in r3) */ -+ movs r12, r3, lsl #28 -+ ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */ -+ ldmmi r1!, {r8, r9} /* 8 bytes */ -+ stmcs r0!, {r4, r5, r6, r7} -+ stmmi r0!, {r8, r9} -+ tst r3, #0x4 -+ ldrne r10,[r1], #4 /* 4 bytes */ -+ strne r10,[r0], #4 -+ sub r2, r2, r3 -+ -+congruent_aligned32: -+ /* -+ * here source is aligned to 32 bytes. -+ */ -+ -+cached_aligned32: -+ subs r2, r2, #32 -+ blo less_than_32_left -+ -+ /* -+ * We preload a cache-line up to 64 bytes ahead. On the 926, this will -+ * stall only until the requested world is fetched, but the linefill -+ * continues in the the background. -+ * While the linefill is going, we write our previous cache-line -+ * into the write-buffer (which should have some free space). -+ * When the linefill is done, the writebuffer will -+ * start dumping its content into memory -+ * -+ * While all this is going, we then load a full cache line into -+ * 8 registers, this cache line should be in the cache by now -+ * (or partly in the cache). -+ * -+ * This code should work well regardless of the source/dest alignment. -+ * -+ */ -+ -+ /* Align the preload register to a cache-line because the cpu does -+ * "critical word first" (the first word requested is loaded first). -+ */ -+ @ bic r12, r1, #0x1F -+ @ add r12, r12, #64 -+ -+1: ldmia r1!, { r4-r11 } -+ subs r2, r2, #32 -+ -+ /* -+ * NOTE: if r12 is more than 64 ahead of r1, the following ldrhi -+ * for ARM9 preload will not be safely guarded by the preceding subs. -+ * When it is safely guarded the only possibility to have SIGSEGV here -+ * is because the caller overstates the length. -+ */ -+ @ ldrhi r3, [r12], #32 /* cheap ARM9 preload */ -+ stmia r0!, { r4-r11 } -+ bhs 1b -+ -+ add r2, r2, #32 -+ -+less_than_32_left: -+ /* -+ * less than 32 bytes left at this point (length in r2) -+ */ -+ -+ /* skip all this if there is nothing to do, which should -+ * be a common case (if not executed the code below takes -+ * about 16 cycles) -+ */ -+ tst r2, #0x1F -+ beq 1f -+ -+ /* conditionnaly copies 0 to 31 bytes */ -+ movs r12, r2, lsl #28 -+ ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */ -+ ldmmi r1!, {r8, r9} /* 8 bytes */ -+ stmcs r0!, {r4, r5, r6, r7} -+ stmmi r0!, {r8, r9} -+ movs r12, r2, lsl #30 -+ ldrcs r3, [r1], #4 /* 4 bytes */ -+ ldrhmi r4, [r1], #2 /* 2 bytes */ -+ strcs r3, [r0], #4 -+ strhmi r4, [r0], #2 -+ tst r2, #0x1 -+ ldrbne r3, [r1] /* last byte */ -+ strbne r3, [r0] -+ -+ /* we're done! restore everything and return */ -+1: ldmfd sp!, {r5-r11} -+ ldmfd sp!, {r0, r4, lr} -+ bx lr -+ -+ /********************************************************************/ -+ -+non_congruent: -+ /* -+ * here source is aligned to 4 bytes -+ * but destination is not. -+ * -+ * in the code below r2 is the number of bytes read -+ * (the number of bytes written is always smaller, because we have -+ * partial words in the shift queue) -+ */ -+ cmp r2, #4 -+ blo copy_last_3_and_return -+ -+ /* Use post-incriment mode for stm to spill r5-r11 to reserved stack -+ * frame. Don't update sp. -+ */ -+ stmea sp, {r5-r11} -+ -+ /* compute shifts needed to align src to dest */ -+ rsb r5, r0, #0 -+ and r5, r5, #3 /* r5 = # bytes in partial words */ -+ mov r12, r5, lsl #3 /* r12 = right */ -+ rsb lr, r12, #32 /* lr = left */ -+ -+ /* read the first word */ -+ ldr r3, [r1], #4 -+ sub r2, r2, #4 -+ -+ /* write a partial word (0 to 3 bytes), such that destination -+ * becomes aligned to 32 bits (r5 = nb of words to copy for alignment) -+ */ -+ movs r5, r5, lsl #31 -+ strbmi r3, [r0], #1 -+ movmi r3, r3, lsr #8 -+ strbcs r3, [r0], #1 -+ movcs r3, r3, lsr #8 -+ strbcs r3, [r0], #1 -+ movcs r3, r3, lsr #8 -+ -+ cmp r2, #4 -+ blo partial_word_tail -+ -+ /* Align destination to 32 bytes (cache line boundary) */ -+1: tst r0, #0x1c -+ beq 2f -+ ldr r5, [r1], #4 -+ sub r2, r2, #4 -+ orr r4, r3, r5, lsl lr -+ mov r3, r5, lsr r12 -+ str r4, [r0], #4 -+ cmp r2, #4 -+ bhs 1b -+ blo partial_word_tail -+ -+ /* copy 32 bytes at a time */ -+2: subs r2, r2, #32 -+ blo less_than_thirtytwo -+ -+ /* Use immediate mode for the shifts, because there is an extra cycle -+ * for register shifts, which could account for up to 50% of -+ * performance hit. -+ */ -+ -+ cmp r12, #24 -+ beq loop24 -+ cmp r12, #8 -+ beq loop8 -+ -+loop16: -+ ldr r12, [r1], #4 -+1: mov r4, r12 -+ ldmia r1!, { r5,r6,r7, r8,r9,r10,r11} -+ subs r2, r2, #32 -+ ldrhs r12, [r1], #4 -+ orr r3, r3, r4, lsl #16 -+ mov r4, r4, lsr #16 -+ orr r4, r4, r5, lsl #16 -+ mov r5, r5, lsr #16 -+ orr r5, r5, r6, lsl #16 -+ mov r6, r6, lsr #16 -+ orr r6, r6, r7, lsl #16 -+ mov r7, r7, lsr #16 -+ orr r7, r7, r8, lsl #16 -+ mov r8, r8, lsr #16 -+ orr r8, r8, r9, lsl #16 -+ mov r9, r9, lsr #16 -+ orr r9, r9, r10, lsl #16 -+ mov r10, r10, lsr #16 -+ orr r10, r10, r11, lsl #16 -+ stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10} -+ mov r3, r11, lsr #16 -+ bhs 1b -+ b less_than_thirtytwo -+ -+loop8: -+ ldr r12, [r1], #4 -+1: mov r4, r12 -+ ldmia r1!, { r5,r6,r7, r8,r9,r10,r11} -+ subs r2, r2, #32 -+ ldrhs r12, [r1], #4 -+ orr r3, r3, r4, lsl #24 -+ mov r4, r4, lsr #8 -+ orr r4, r4, r5, lsl #24 -+ mov r5, r5, lsr #8 -+ orr r5, r5, r6, lsl #24 -+ mov r6, r6, lsr #8 -+ orr r6, r6, r7, lsl #24 -+ mov r7, r7, lsr #8 -+ orr r7, r7, r8, lsl #24 -+ mov r8, r8, lsr #8 -+ orr r8, r8, r9, lsl #24 -+ mov r9, r9, lsr #8 -+ orr r9, r9, r10, lsl #24 -+ mov r10, r10, lsr #8 -+ orr r10, r10, r11, lsl #24 -+ stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10} -+ mov r3, r11, lsr #8 -+ bhs 1b -+ b less_than_thirtytwo -+ -+loop24: -+ ldr r12, [r1], #4 -+1: mov r4, r12 -+ ldmia r1!, { r5,r6,r7, r8,r9,r10,r11} -+ subs r2, r2, #32 -+ ldrhs r12, [r1], #4 -+ orr r3, r3, r4, lsl #8 -+ mov r4, r4, lsr #24 -+ orr r4, r4, r5, lsl #8 -+ mov r5, r5, lsr #24 -+ orr r5, r5, r6, lsl #8 -+ mov r6, r6, lsr #24 -+ orr r6, r6, r7, lsl #8 -+ mov r7, r7, lsr #24 -+ orr r7, r7, r8, lsl #8 -+ mov r8, r8, lsr #24 -+ orr r8, r8, r9, lsl #8 -+ mov r9, r9, lsr #24 -+ orr r9, r9, r10, lsl #8 -+ mov r10, r10, lsr #24 -+ orr r10, r10, r11, lsl #8 -+ stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10} -+ mov r3, r11, lsr #24 -+ bhs 1b -+ -+less_than_thirtytwo: -+ /* copy the last 0 to 31 bytes of the source */ -+ rsb r12, lr, #32 /* we corrupted r12, recompute it */ -+ add r2, r2, #32 -+ cmp r2, #4 -+ blo partial_word_tail -+ -+1: ldr r5, [r1], #4 -+ sub r2, r2, #4 -+ orr r4, r3, r5, lsl lr -+ mov r3, r5, lsr r12 -+ str r4, [r0], #4 -+ cmp r2, #4 -+ bhs 1b -+ -+partial_word_tail: -+ /* we have a partial word in the input buffer */ -+ movs r5, lr, lsl #(31-3) -+ strbmi r3, [r0], #1 -+ movmi r3, r3, lsr #8 -+ strbcs r3, [r0], #1 -+ movcs r3, r3, lsr #8 -+ strbcs r3, [r0], #1 -+ -+ /* Refill spilled registers from the stack. Don't update sp. */ -+ ldmfd sp, {r5-r11} -+ -+copy_last_3_and_return: -+ movs r2, r2, lsl #31 /* copy remaining 0, 1, 2 or 3 bytes */ -+ ldrbmi r2, [r1], #1 -+ ldrbcs r3, [r1], #1 -+ ldrbcs r12,[r1] -+ strbmi r2, [r0], #1 -+ strbcs r3, [r0], #1 -+ strbcs r12,[r0] -+ -+ /* we're done! restore sp and spilled registers and return */ -+ add sp, sp, #28 -+ ldmfd sp!, {r0, r4, lr} -+ bx lr -+ -+#endif ---- a/src/string/armel/memcpy.s -+++ /dev/null -@@ -1,381 +0,0 @@ --/* -- * Copyright (C) 2008 The Android Open Source Project -- * All rights reserved. -- * -- * Redistribution and use in source and binary forms, with or without -- * modification, are permitted provided that the following conditions -- * are met: -- * * Redistributions of source code must retain the above copyright -- * notice, this list of conditions and the following disclaimer. -- * * Redistributions in binary form must reproduce the above copyright -- * notice, this list of conditions and the following disclaimer in -- * the documentation and/or other materials provided with the -- * distribution. -- * -- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS -- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED -- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT -- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -- * SUCH DAMAGE. -- */ -- -- --/* -- * Optimized memcpy() for ARM. -- * -- * note that memcpy() always returns the destination pointer, -- * so we have to preserve R0. -- */ -- --/* -- * This file has been modified from the original for use in musl libc. -- * The main changes are: addition of .type memcpy,%function to make the -- * code safely callable from thumb mode, adjusting the return -- * instructions to be compatible with pre-thumb ARM cpus, and removal -- * of prefetch code that is not compatible with older cpus. -- */ -- --.global memcpy --.type memcpy,%function --memcpy: -- /* The stack must always be 64-bits aligned to be compliant with the -- * ARM ABI. Since we have to save R0, we might as well save R4 -- * which we can use for better pipelining of the reads below -- */ -- .fnstart -- .save {r0, r4, lr} -- stmfd sp!, {r0, r4, lr} -- /* Making room for r5-r11 which will be spilled later */ -- .pad #28 -- sub sp, sp, #28 -- -- /* it simplifies things to take care of len<4 early */ -- cmp r2, #4 -- blo copy_last_3_and_return -- -- /* compute the offset to align the source -- * offset = (4-(src&3))&3 = -src & 3 -- */ -- rsb r3, r1, #0 -- ands r3, r3, #3 -- beq src_aligned -- -- /* align source to 32 bits. We need to insert 2 instructions between -- * a ldr[b|h] and str[b|h] because byte and half-word instructions -- * stall 2 cycles. -- */ -- movs r12, r3, lsl #31 -- sub r2, r2, r3 /* we know that r3 <= r2 because r2 >= 4 */ -- .word 0x44d13001 /* ldrbmi r3, [r1], #1 */ -- .word 0x24d14001 /* ldrbcs r4, [r1], #1 */ -- .word 0x24d1c001 /* ldrbcs r12,[r1], #1 */ -- .word 0x44c03001 /* strbmi r3, [r0], #1 */ -- .word 0x24c04001 /* strbcs r4, [r0], #1 */ -- .word 0x24c0c001 /* strbcs r12,[r0], #1 */ -- --src_aligned: -- -- /* see if src and dst are aligned together (congruent) */ -- eor r12, r0, r1 -- tst r12, #3 -- bne non_congruent -- -- /* Use post-incriment mode for stm to spill r5-r11 to reserved stack -- * frame. Don't update sp. -- */ -- stmea sp, {r5-r11} -- -- /* align the destination to a cache-line */ -- rsb r3, r0, #0 -- ands r3, r3, #0x1C -- beq congruent_aligned32 -- cmp r3, r2 -- andhi r3, r2, #0x1C -- -- /* conditionnaly copies 0 to 7 words (length in r3) */ -- movs r12, r3, lsl #28 -- ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */ -- ldmmi r1!, {r8, r9} /* 8 bytes */ -- stmcs r0!, {r4, r5, r6, r7} -- stmmi r0!, {r8, r9} -- tst r3, #0x4 -- ldrne r10,[r1], #4 /* 4 bytes */ -- strne r10,[r0], #4 -- sub r2, r2, r3 -- --congruent_aligned32: -- /* -- * here source is aligned to 32 bytes. -- */ -- --cached_aligned32: -- subs r2, r2, #32 -- blo less_than_32_left -- -- /* -- * We preload a cache-line up to 64 bytes ahead. On the 926, this will -- * stall only until the requested world is fetched, but the linefill -- * continues in the the background. -- * While the linefill is going, we write our previous cache-line -- * into the write-buffer (which should have some free space). -- * When the linefill is done, the writebuffer will -- * start dumping its content into memory -- * -- * While all this is going, we then load a full cache line into -- * 8 registers, this cache line should be in the cache by now -- * (or partly in the cache). -- * -- * This code should work well regardless of the source/dest alignment. -- * -- */ -- -- /* Align the preload register to a cache-line because the cpu does -- * "critical word first" (the first word requested is loaded first). -- */ -- @ bic r12, r1, #0x1F -- @ add r12, r12, #64 -- --1: ldmia r1!, { r4-r11 } -- subs r2, r2, #32 -- -- /* -- * NOTE: if r12 is more than 64 ahead of r1, the following ldrhi -- * for ARM9 preload will not be safely guarded by the preceding subs. -- * When it is safely guarded the only possibility to have SIGSEGV here -- * is because the caller overstates the length. -- */ -- @ ldrhi r3, [r12], #32 /* cheap ARM9 preload */ -- stmia r0!, { r4-r11 } -- bhs 1b -- -- add r2, r2, #32 -- --less_than_32_left: -- /* -- * less than 32 bytes left at this point (length in r2) -- */ -- -- /* skip all this if there is nothing to do, which should -- * be a common case (if not executed the code below takes -- * about 16 cycles) -- */ -- tst r2, #0x1F -- beq 1f -- -- /* conditionnaly copies 0 to 31 bytes */ -- movs r12, r2, lsl #28 -- ldmcs r1!, {r4, r5, r6, r7} /* 16 bytes */ -- ldmmi r1!, {r8, r9} /* 8 bytes */ -- stmcs r0!, {r4, r5, r6, r7} -- stmmi r0!, {r8, r9} -- movs r12, r2, lsl #30 -- ldrcs r3, [r1], #4 /* 4 bytes */ -- .word 0x40d140b2 /* ldrhmi r4, [r1], #2 */ /* 2 bytes */ -- strcs r3, [r0], #4 -- .word 0x40c040b2 /* strhmi r4, [r0], #2 */ -- tst r2, #0x1 -- .word 0x15d13000 /* ldrbne r3, [r1] */ /* last byte */ -- .word 0x15c03000 /* strbne r3, [r0] */ -- -- /* we're done! restore everything and return */ --1: ldmfd sp!, {r5-r11} -- ldmfd sp!, {r0, r4, lr} -- tst lr, #1 -- moveq pc, lr -- bx lr -- -- /********************************************************************/ -- --non_congruent: -- /* -- * here source is aligned to 4 bytes -- * but destination is not. -- * -- * in the code below r2 is the number of bytes read -- * (the number of bytes written is always smaller, because we have -- * partial words in the shift queue) -- */ -- cmp r2, #4 -- blo copy_last_3_and_return -- -- /* Use post-incriment mode for stm to spill r5-r11 to reserved stack -- * frame. Don't update sp. -- */ -- stmea sp, {r5-r11} -- -- /* compute shifts needed to align src to dest */ -- rsb r5, r0, #0 -- and r5, r5, #3 /* r5 = # bytes in partial words */ -- mov r12, r5, lsl #3 /* r12 = right */ -- rsb lr, r12, #32 /* lr = left */ -- -- /* read the first word */ -- ldr r3, [r1], #4 -- sub r2, r2, #4 -- -- /* write a partial word (0 to 3 bytes), such that destination -- * becomes aligned to 32 bits (r5 = nb of words to copy for alignment) -- */ -- movs r5, r5, lsl #31 -- .word 0x44c03001 /* strbmi r3, [r0], #1 */ -- movmi r3, r3, lsr #8 -- .word 0x24c03001 /* strbcs r3, [r0], #1 */ -- movcs r3, r3, lsr #8 -- .word 0x24c03001 /* strbcs r3, [r0], #1 */ -- movcs r3, r3, lsr #8 -- -- cmp r2, #4 -- blo partial_word_tail -- -- /* Align destination to 32 bytes (cache line boundary) */ --1: tst r0, #0x1c -- beq 2f -- ldr r5, [r1], #4 -- sub r2, r2, #4 -- orr r4, r3, r5, lsl lr -- mov r3, r5, lsr r12 -- str r4, [r0], #4 -- cmp r2, #4 -- bhs 1b -- blo partial_word_tail -- -- /* copy 32 bytes at a time */ --2: subs r2, r2, #32 -- blo less_than_thirtytwo -- -- /* Use immediate mode for the shifts, because there is an extra cycle -- * for register shifts, which could account for up to 50% of -- * performance hit. -- */ -- -- cmp r12, #24 -- beq loop24 -- cmp r12, #8 -- beq loop8 -- --loop16: -- ldr r12, [r1], #4 --1: mov r4, r12 -- ldmia r1!, { r5,r6,r7, r8,r9,r10,r11} -- subs r2, r2, #32 -- ldrhs r12, [r1], #4 -- orr r3, r3, r4, lsl #16 -- mov r4, r4, lsr #16 -- orr r4, r4, r5, lsl #16 -- mov r5, r5, lsr #16 -- orr r5, r5, r6, lsl #16 -- mov r6, r6, lsr #16 -- orr r6, r6, r7, lsl #16 -- mov r7, r7, lsr #16 -- orr r7, r7, r8, lsl #16 -- mov r8, r8, lsr #16 -- orr r8, r8, r9, lsl #16 -- mov r9, r9, lsr #16 -- orr r9, r9, r10, lsl #16 -- mov r10, r10, lsr #16 -- orr r10, r10, r11, lsl #16 -- stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10} -- mov r3, r11, lsr #16 -- bhs 1b -- b less_than_thirtytwo -- --loop8: -- ldr r12, [r1], #4 --1: mov r4, r12 -- ldmia r1!, { r5,r6,r7, r8,r9,r10,r11} -- subs r2, r2, #32 -- ldrhs r12, [r1], #4 -- orr r3, r3, r4, lsl #24 -- mov r4, r4, lsr #8 -- orr r4, r4, r5, lsl #24 -- mov r5, r5, lsr #8 -- orr r5, r5, r6, lsl #24 -- mov r6, r6, lsr #8 -- orr r6, r6, r7, lsl #24 -- mov r7, r7, lsr #8 -- orr r7, r7, r8, lsl #24 -- mov r8, r8, lsr #8 -- orr r8, r8, r9, lsl #24 -- mov r9, r9, lsr #8 -- orr r9, r9, r10, lsl #24 -- mov r10, r10, lsr #8 -- orr r10, r10, r11, lsl #24 -- stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10} -- mov r3, r11, lsr #8 -- bhs 1b -- b less_than_thirtytwo -- --loop24: -- ldr r12, [r1], #4 --1: mov r4, r12 -- ldmia r1!, { r5,r6,r7, r8,r9,r10,r11} -- subs r2, r2, #32 -- ldrhs r12, [r1], #4 -- orr r3, r3, r4, lsl #8 -- mov r4, r4, lsr #24 -- orr r4, r4, r5, lsl #8 -- mov r5, r5, lsr #24 -- orr r5, r5, r6, lsl #8 -- mov r6, r6, lsr #24 -- orr r6, r6, r7, lsl #8 -- mov r7, r7, lsr #24 -- orr r7, r7, r8, lsl #8 -- mov r8, r8, lsr #24 -- orr r8, r8, r9, lsl #8 -- mov r9, r9, lsr #24 -- orr r9, r9, r10, lsl #8 -- mov r10, r10, lsr #24 -- orr r10, r10, r11, lsl #8 -- stmia r0!, {r3,r4,r5,r6, r7,r8,r9,r10} -- mov r3, r11, lsr #24 -- bhs 1b -- --less_than_thirtytwo: -- /* copy the last 0 to 31 bytes of the source */ -- rsb r12, lr, #32 /* we corrupted r12, recompute it */ -- add r2, r2, #32 -- cmp r2, #4 -- blo partial_word_tail -- --1: ldr r5, [r1], #4 -- sub r2, r2, #4 -- orr r4, r3, r5, lsl lr -- mov r3, r5, lsr r12 -- str r4, [r0], #4 -- cmp r2, #4 -- bhs 1b -- --partial_word_tail: -- /* we have a partial word in the input buffer */ -- movs r5, lr, lsl #(31-3) -- .word 0x44c03001 /* strbmi r3, [r0], #1 */ -- movmi r3, r3, lsr #8 -- .word 0x24c03001 /* strbcs r3, [r0], #1 */ -- movcs r3, r3, lsr #8 -- .word 0x24c03001 /* strbcs r3, [r0], #1 */ -- -- /* Refill spilled registers from the stack. Don't update sp. */ -- ldmfd sp, {r5-r11} -- --copy_last_3_and_return: -- movs r2, r2, lsl #31 /* copy remaining 0, 1, 2 or 3 bytes */ -- .word 0x44d12001 /* ldrbmi r2, [r1], #1 */ -- .word 0x24d13001 /* ldrbcs r3, [r1], #1 */ -- .word 0x25d1c000 /* ldrbcs r12,[r1] */ -- .word 0x44c02001 /* strbmi r2, [r0], #1 */ -- .word 0x24c03001 /* strbcs r3, [r0], #1 */ -- .word 0x25c0c000 /* strbcs r12,[r0] */ -- -- /* we're done! restore sp and spilled registers and return */ -- add sp, sp, #28 -- ldmfd sp!, {r0, r4, lr} -- tst lr, #1 -- moveq pc, lr -- bx lr ---- a/src/string/armel/memcpy.sub -+++ /dev/null -@@ -1 +0,0 @@ --memcpy.s ---- a/src/string/armhf/memcpy.sub -+++ /dev/null -@@ -1 +0,0 @@ --../armel/memcpy.s ---- a/src/thread/__syscall_cp.c -+++ b/src/thread/__syscall_cp.c -@@ -1,9 +1,7 @@ - #include "pthread_impl.h" - #include "syscall.h" - --#ifdef SHARED - __attribute__((__visibility__("hidden"))) --#endif - long __syscall_cp_c(); - - static long sccp(syscall_arg_t nr, ---- a/src/thread/__tls_get_addr.c -+++ b/src/thread/__tls_get_addr.c -@@ -1,16 +1,16 @@ - #include <stddef.h> - #include "pthread_impl.h" -+#include "libc.h" -+ -+__attribute__((__visibility__("hidden"))) -+void *__tls_get_new(size_t *); - - void *__tls_get_addr(size_t *v) - { - pthread_t self = __pthread_self(); --#ifdef SHARED -- __attribute__((__visibility__("hidden"))) -- void *__tls_get_new(size_t *); - if (v[0]<=(size_t)self->dtv[0]) - return (char *)self->dtv[v[0]]+v[1]+DTP_OFFSET; - return __tls_get_new(v); --#else -- return (char *)self->dtv[1]+v[1]+DTP_OFFSET; --#endif - } -+ -+weak_alias(__tls_get_addr, __tls_get_new); ---- a/src/thread/aarch64/syscall_cp.s -+++ b/src/thread/aarch64/syscall_cp.s -@@ -17,7 +17,7 @@ - __syscall_cp_asm: - __cp_begin: - ldr w0,[x0] -- cbnz w0,1f -+ cbnz w0,__cp_cancel - mov x8,x1 - mov x0,x2 - mov x1,x3 -@@ -28,6 +28,5 @@ __cp_begin: - svc 0 - __cp_end: - ret -- -- // cbnz might not be able to jump far enough --1: b __cancel -+__cp_cancel: -+ b __cancel ---- /dev/null -+++ b/src/thread/arm/__set_thread_area.c -@@ -0,0 +1,49 @@ -+#include <stdint.h> -+#include <elf.h> -+#include "pthread_impl.h" -+#include "libc.h" -+ -+#define HWCAP_TLS (1 << 15) -+ -+extern const unsigned char __attribute__((__visibility__("hidden"))) -+ __a_barrier_dummy[], __a_barrier_oldkuser[], -+ __a_barrier_v6[], __a_barrier_v7[], -+ __a_cas_dummy[], __a_cas_v6[], __a_cas_v7[], -+ __a_gettp_dummy[]; -+ -+#define __a_barrier_kuser 0xffff0fa0 -+#define __a_cas_kuser 0xffff0fc0 -+#define __a_gettp_kuser 0xffff0fe0 -+ -+extern uintptr_t __attribute__((__visibility__("hidden"))) -+ __a_barrier_ptr, __a_cas_ptr, __a_gettp_ptr; -+ -+#define SET(op,ver) (__a_##op##_ptr = \ -+ (uintptr_t)__a_##op##_##ver - (uintptr_t)__a_##op##_dummy) -+ -+int __set_thread_area(void *p) -+{ -+#if !__ARM_ARCH_7A__ && !__ARM_ARCH_7R__ && __ARM_ARCH < 7 -+ if (__hwcap & HWCAP_TLS) { -+ size_t *aux; -+ SET(cas, v7); -+ SET(barrier, v7); -+ for (aux=libc.auxv; *aux; aux+=2) { -+ if (*aux != AT_PLATFORM) continue; -+ const char *s = (void *)aux[1]; -+ if (s[0]!='v' || s[1]!='6' || s[2]-'0'<10u) break; -+ SET(cas, v6); -+ SET(barrier, v6); -+ break; -+ } -+ } else { -+ int ver = *(int *)0xffff0ffc; -+ SET(gettp, kuser); -+ SET(cas, kuser); -+ SET(barrier, kuser); -+ if (ver < 2) a_crash(); -+ if (ver < 3) SET(barrier, oldkuser); -+ } -+#endif -+ return __syscall(0xf0005, p); -+} ---- a/src/thread/arm/__set_thread_area.s -+++ /dev/null -@@ -1 +0,0 @@ --/* Replaced by C code in arch/arm/src */ ---- a/src/thread/arm/__unmapself.s -+++ b/src/thread/arm/__unmapself.s -@@ -1,3 +1,4 @@ -+.syntax unified - .text - .global __unmapself - .type __unmapself,%function ---- /dev/null -+++ b/src/thread/arm/atomics.s -@@ -0,0 +1,113 @@ -+.syntax unified -+.text -+ -+.global __a_barrier -+.hidden __a_barrier -+.type __a_barrier,%function -+__a_barrier: -+ ldr ip,1f -+ ldr ip,[pc,ip] -+ add pc,pc,ip -+1: .word __a_barrier_ptr-1b -+.global __a_barrier_dummy -+.hidden __a_barrier_dummy -+__a_barrier_dummy: -+ bx lr -+.global __a_barrier_oldkuser -+.hidden __a_barrier_oldkuser -+__a_barrier_oldkuser: -+ push {r0,r1,r2,r3,ip,lr} -+ mov r1,r0 -+ mov r2,sp -+ ldr ip,=0xffff0fc0 -+ mov lr,pc -+ mov pc,ip -+ pop {r0,r1,r2,r3,ip,lr} -+ bx lr -+.global __a_barrier_v6 -+.hidden __a_barrier_v6 -+__a_barrier_v6: -+ mcr p15,0,r0,c7,c10,5 -+ bx lr -+.global __a_barrier_v7 -+.hidden __a_barrier_v7 -+__a_barrier_v7: -+ .word 0xf57ff05b /* dmb ish */ -+ bx lr -+ -+.global __a_cas -+.hidden __a_cas -+.type __a_cas,%function -+__a_cas: -+ ldr ip,1f -+ ldr ip,[pc,ip] -+ add pc,pc,ip -+1: .word __a_cas_ptr-1b -+.global __a_cas_dummy -+.hidden __a_cas_dummy -+__a_cas_dummy: -+ mov r3,r0 -+ ldr r0,[r2] -+ subs r0,r3,r0 -+ streq r1,[r2] -+ bx lr -+.global __a_cas_v6 -+.hidden __a_cas_v6 -+__a_cas_v6: -+ mov r3,r0 -+ mcr p15,0,r0,c7,c10,5 -+1: .word 0xe1920f9f /* ldrex r0,[r2] */ -+ subs r0,r3,r0 -+ .word 0x01820f91 /* strexeq r0,r1,[r2] */ -+ teqeq r0,#1 -+ beq 1b -+ mcr p15,0,r0,c7,c10,5 -+ bx lr -+.global __a_cas_v7 -+.hidden __a_cas_v7 -+__a_cas_v7: -+ mov r3,r0 -+ .word 0xf57ff05b /* dmb ish */ -+1: .word 0xe1920f9f /* ldrex r0,[r2] */ -+ subs r0,r3,r0 -+ .word 0x01820f91 /* strexeq r0,r1,[r2] */ -+ teqeq r0,#1 -+ beq 1b -+ .word 0xf57ff05b /* dmb ish */ -+ bx lr -+ -+.global __aeabi_read_tp -+.type __aeabi_read_tp,%function -+__aeabi_read_tp: -+ -+.global __a_gettp -+.hidden __a_gettp -+.type __a_gettp,%function -+__a_gettp: -+ ldr r0,1f -+ ldr r0,[pc,r0] -+ add pc,pc,r0 -+1: .word __a_gettp_ptr-1b -+.global __a_gettp_dummy -+.hidden __a_gettp_dummy -+__a_gettp_dummy: -+ mrc p15,0,r0,c13,c0,3 -+ bx lr -+ -+.data -+.align 2 -+ -+.global __a_barrier_ptr -+.hidden __a_barrier_ptr -+__a_barrier_ptr: -+ .word 0 -+ -+.global __a_cas_ptr -+.hidden __a_cas_ptr -+__a_cas_ptr: -+ .word 0 -+ -+.global __a_gettp_ptr -+.hidden __a_gettp_ptr -+__a_gettp_ptr: -+ .word 0 ---- a/src/thread/arm/clone.s -+++ b/src/thread/arm/clone.s -@@ -1,3 +1,4 @@ -+.syntax unified - .text - .global __clone - .type __clone,%function -@@ -15,8 +16,6 @@ __clone: - tst r0,r0 - beq 1f - ldmfd sp!,{r4,r5,r6,r7} -- tst lr,#1 -- moveq pc,lr - bx lr - - 1: mov r0,r6 ---- a/src/thread/arm/syscall_cp.s -+++ b/src/thread/arm/syscall_cp.s -@@ -1,3 +1,4 @@ -+.syntax unified - .global __cp_begin - .hidden __cp_begin - .global __cp_end -@@ -22,8 +23,6 @@ __cp_begin: - svc 0 - __cp_end: - ldmfd sp!,{r4,r5,r6,r7,lr} -- tst lr,#1 -- moveq pc,lr - bx lr - __cp_cancel: - ldmfd sp!,{r4,r5,r6,r7,lr} ---- a/src/thread/microblaze/syscall_cp.s -+++ b/src/thread/microblaze/syscall_cp.s -@@ -11,7 +11,7 @@ - __syscall_cp_asm: - __cp_begin: - lwi r5, r5, 0 -- bnei r5, __cancel -+ bnei r5, __cp_cancel - addi r12, r6, 0 - add r5, r7, r0 - add r6, r8, r0 -@@ -23,3 +23,5 @@ __cp_begin: - __cp_end: - rtsd r15, 8 - nop -+__cp_cancel: -+ bri __cancel ---- a/src/thread/or1k/syscall_cp.s -+++ b/src/thread/or1k/syscall_cp.s -@@ -12,7 +12,7 @@ __syscall_cp_asm: - __cp_begin: - l.lwz r3, 0(r3) - l.sfeqi r3, 0 -- l.bnf __cancel -+ l.bnf __cp_cancel - l.ori r11, r4, 0 - l.ori r3, r5, 0 - l.ori r4, r6, 0 -@@ -24,3 +24,6 @@ __cp_begin: - __cp_end: - l.jr r9 - l.nop -+__cp_cancel: -+ l.j __cancel -+ l.nop ---- a/src/thread/powerpc/syscall_cp.s -+++ b/src/thread/powerpc/syscall_cp.s -@@ -38,7 +38,7 @@ __cp_begin: - cmpwi cr7, 0, 0 #compare r0 with 0, store result in cr7. - beq+ cr7, 1f #jump to label 1 if r0 was 0 - -- b __cancel #else call cancel -+ b __cp_cancel #else call cancel - 1: - #ok, the cancel flag was not set - # syscall: number goes to r0, the rest 3-8 -@@ -55,3 +55,5 @@ __cp_end: - #else negate result. - neg 3, 3 - blr -+__cp_cancel: -+ b __cancel ---- a/src/thread/pthread_cancel.c -+++ b/src/thread/pthread_cancel.c -@@ -1,12 +1,11 @@ -+#define _GNU_SOURCE - #include <string.h> - #include "pthread_impl.h" - #include "syscall.h" - #include "libc.h" - --#ifdef SHARED - __attribute__((__visibility__("hidden"))) --#endif --long __cancel(), __cp_cancel(), __syscall_cp_asm(), __syscall_cp_c(); -+long __cancel(), __syscall_cp_asm(), __syscall_cp_c(); - - long __cancel() - { -@@ -17,12 +16,6 @@ long __cancel() - return -ECANCELED; - } - --/* If __syscall_cp_asm has adjusted the stack pointer, it must provide a -- * definition of __cp_cancel to undo those adjustments and call __cancel. -- * Otherwise, __cancel provides a definition for __cp_cancel. */ -- --weak_alias(__cancel, __cp_cancel); -- - long __syscall_cp_asm(volatile void *, syscall_arg_t, - syscall_arg_t, syscall_arg_t, syscall_arg_t, - syscall_arg_t, syscall_arg_t, syscall_arg_t); -@@ -52,24 +45,22 @@ static void _sigaddset(sigset_t *set, in - set->__bits[s/8/sizeof *set->__bits] |= 1UL<<(s&8*sizeof *set->__bits-1); - } - --#ifdef SHARED - __attribute__((__visibility__("hidden"))) --#endif --extern const char __cp_begin[1], __cp_end[1]; -+extern const char __cp_begin[1], __cp_end[1], __cp_cancel[1]; - - static void cancel_handler(int sig, siginfo_t *si, void *ctx) - { - pthread_t self = __pthread_self(); - ucontext_t *uc = ctx; -- const char *ip = ((char **)&uc->uc_mcontext)[CANCEL_REG_IP]; -+ uintptr_t pc = uc->uc_mcontext.MC_PC; - - a_barrier(); - if (!self->cancel || self->canceldisable == PTHREAD_CANCEL_DISABLE) return; - - _sigaddset(&uc->uc_sigmask, SIGCANCEL); - -- if (self->cancelasync || ip >= __cp_begin && ip < __cp_end) { -- ((char **)&uc->uc_mcontext)[CANCEL_REG_IP] = (char *)__cp_cancel; -+ if (self->cancelasync || pc >= (uintptr_t)__cp_begin && pc < (uintptr_t)__cp_end) { -+ uc->uc_mcontext.MC_PC = (uintptr_t)__cp_cancel; - return; - } - ---- /dev/null -+++ b/src/thread/sh/__set_thread_area.c -@@ -0,0 +1,40 @@ -+#include "pthread_impl.h" -+#include "libc.h" -+#include <elf.h> -+ -+/* Also perform sh-specific init */ -+ -+#define CPU_HAS_LLSC 0x0040 -+#define CPU_HAS_CAS_L 0x0400 -+ -+__attribute__((__visibility__("hidden"))) -+extern const char __sh_cas_gusa[], __sh_cas_llsc[], __sh_cas_imask[], __sh_cas_cas_l[]; -+ -+__attribute__((__visibility__("hidden"))) -+const void *__sh_cas_ptr; -+ -+__attribute__((__visibility__("hidden"))) -+unsigned __sh_nommu; -+ -+int __set_thread_area(void *p) -+{ -+ size_t *aux; -+ __asm__ __volatile__ ( "ldc %0, gbr" : : "r"(p) : "memory" ); -+#ifndef __SH4A__ -+ __sh_cas_ptr = __sh_cas_gusa; -+#if !defined(__SH3__) && !defined(__SH4__) -+ for (aux=libc.auxv; *aux; aux+=2) { -+ if (*aux != AT_PLATFORM) continue; -+ const char *s = (void *)aux[1]; -+ if (s[0]!='s' || s[1]!='h' || s[2]!='2' || s[3]-'0'<10u) break; -+ __sh_cas_ptr = __sh_cas_imask; -+ __sh_nommu = 1; -+ } -+#endif -+ if (__hwcap & CPU_HAS_CAS_L) -+ __sh_cas_ptr = __sh_cas_cas_l; -+ else if (__hwcap & CPU_HAS_LLSC) -+ __sh_cas_ptr = __sh_cas_llsc; -+#endif -+ return 0; -+} ---- /dev/null -+++ b/src/thread/sh/__unmapself.c -@@ -0,0 +1,24 @@ -+#include "pthread_impl.h" -+ -+void __unmapself_sh_mmu(void *, size_t); -+void __unmapself_sh_nommu(void *, size_t); -+ -+#if !defined(__SH3__) && !defined(__SH4__) -+#define __unmapself __unmapself_sh_nommu -+#include "dynlink.h" -+#undef CRTJMP -+#define CRTJMP(pc,sp) __asm__ __volatile__( \ -+ "mov.l @%0+,r0 ; mov.l @%0,r12 ; jmp @r0 ; mov %1,r15" \ -+ : : "r"(pc), "r"(sp) : "r0", "memory" ) -+#include "../__unmapself.c" -+#undef __unmapself -+extern __attribute__((__visibility__("hidden"))) unsigned __sh_nommu; -+#else -+#define __sh_nommu 0 -+#endif -+ -+void __unmapself(void *base, size_t size) -+{ -+ if (__sh_nommu) __unmapself_sh_nommu(base, size); -+ else __unmapself_sh_mmu(base, size); -+} ---- a/src/thread/sh/__unmapself.s -+++ /dev/null -@@ -1,22 +0,0 @@ --.text --.global __unmapself_sh_mmu --.type __unmapself_sh_mmu, @function --__unmapself_sh_mmu: -- mov #91, r3 ! SYS_munmap -- trapa #31 -- -- or r0, r0 -- or r0, r0 -- or r0, r0 -- or r0, r0 -- or r0, r0 -- -- mov #1, r3 ! SYS_exit -- mov #0, r4 -- trapa #31 -- -- or r0, r0 -- or r0, r0 -- or r0, r0 -- or r0, r0 -- or r0, r0 ---- /dev/null -+++ b/src/thread/sh/__unmapself_mmu.s -@@ -0,0 +1,22 @@ -+.text -+.global __unmapself_sh_mmu -+.type __unmapself_sh_mmu, @function -+__unmapself_sh_mmu: -+ mov #91, r3 ! SYS_munmap -+ trapa #31 -+ -+ or r0, r0 -+ or r0, r0 -+ or r0, r0 -+ or r0, r0 -+ or r0, r0 -+ -+ mov #1, r3 ! SYS_exit -+ mov #0, r4 -+ trapa #31 -+ -+ or r0, r0 -+ or r0, r0 -+ or r0, r0 -+ or r0, r0 -+ or r0, r0 ---- /dev/null -+++ b/src/thread/sh/atomics.s -@@ -0,0 +1,65 @@ -+/* Contract for all versions is same as cas.l r2,r3,@r0 -+ * pr and r1 are also clobbered (by jsr & r1 as temp). -+ * r0,r2,r4-r15 must be preserved. -+ * r3 contains result (==r2 iff cas succeeded). */ -+ -+ .align 2 -+.global __sh_cas_gusa -+.hidden __sh_cas_gusa -+__sh_cas_gusa: -+ mov.l r5,@-r15 -+ mov.l r4,@-r15 -+ mov r0,r4 -+ mova 1f,r0 -+ mov r15,r1 -+ mov #(0f-1f),r15 -+0: mov.l @r4,r5 -+ cmp/eq r5,r2 -+ bf 1f -+ mov.l r3,@r4 -+1: mov r1,r15 -+ mov r5,r3 -+ mov r4,r0 -+ mov.l @r15+,r4 -+ rts -+ mov.l @r15+,r5 -+ -+.global __sh_cas_llsc -+.hidden __sh_cas_llsc -+__sh_cas_llsc: -+ mov r0,r1 -+ synco -+0: movli.l @r1,r0 -+ cmp/eq r0,r2 -+ bf 1f -+ mov r3,r0 -+ movco.l r0,@r1 -+ bf 0b -+ mov r2,r0 -+1: synco -+ mov r0,r3 -+ rts -+ mov r1,r0 -+ -+.global __sh_cas_imask -+.hidden __sh_cas_imask -+__sh_cas_imask: -+ mov r0,r1 -+ stc sr,r0 -+ mov.l r0,@-r15 -+ or #0xf0,r0 -+ ldc r0,sr -+ mov.l @r1,r0 -+ cmp/eq r0,r2 -+ bf 1f -+ mov.l r3,@r1 -+1: ldc.l @r15+,sr -+ mov r0,r3 -+ rts -+ mov r1,r0 -+ -+.global __sh_cas_cas_l -+.hidden __sh_cas_cas_l -+__sh_cas_cas_l: -+ rts -+ .word 0x2323 /* cas.l r2,r3,@r0 */ ---- a/src/thread/sh/syscall_cp.s -+++ b/src/thread/sh/syscall_cp.s -@@ -14,17 +14,8 @@ __syscall_cp_asm: - __cp_begin: - mov.l @r4, r4 - tst r4, r4 -- bt 2f -- -- mov.l L1, r0 -- braf r0 -- nop --1: -- --.align 2 --L1: .long __cancel@PLT-(1b-.) -- --2: mov r5, r3 -+ bf __cp_cancel -+ mov r5, r3 - mov r6, r4 - mov r7, r5 - mov.l @r15, r6 -@@ -43,3 +34,12 @@ __cp_end: - - rts - nop -+ -+__cp_cancel: -+ mov.l 2f, r0 -+ braf r0 -+ nop -+1: -+ -+.align 2 -+2: .long __cancel@PCREL-(1b-.) ---- a/src/thread/x32/syscall_cp.s -+++ b/src/thread/x32/syscall_cp.s -@@ -14,7 +14,7 @@ __syscall_cp_internal: - __cp_begin: - mov (%rdi),%eax - test %eax,%eax -- jnz __cancel -+ jnz __cp_cancel - mov %rdi,%r11 - mov %rsi,%rax - mov %rdx,%rdi -@@ -27,3 +27,5 @@ __cp_begin: - syscall - __cp_end: - ret -+__cp_cancel: -+ jmp __cancel ---- /dev/null -+++ b/src/thread/x32/syscall_cp_fixup.c -@@ -0,0 +1,38 @@ -+#include <sys/syscall.h> -+ -+__attribute__((__visibility__("hidden"))) -+long __syscall_cp_internal(volatile void*, long long, long long, long long, long long, -+ long long, long long, long long); -+ -+struct __timespec { long long tv_sec; long tv_nsec; }; -+struct __timespec_kernel { long long tv_sec; long long tv_nsec; }; -+#define __tsc(X) ((struct __timespec*)(unsigned long)(X)) -+#define __fixup(X) do { if(X) { \ -+ ts->tv_sec = __tsc(X)->tv_sec; \ -+ ts->tv_nsec = __tsc(X)->tv_nsec; \ -+ (X) = (unsigned long)ts; } } while(0) -+ -+__attribute__((__visibility__("hidden"))) -+long __syscall_cp_asm (volatile void * foo, long long n, long long a1, long long a2, long long a3, -+ long long a4, long long a5, long long a6) -+{ -+ struct __timespec_kernel ts[1]; -+ switch (n) { -+ case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6: -+ __fixup(a5); -+ break; -+ case SYS_futex: -+ if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) -+ __fixup(a4); -+ break; -+ case SYS_clock_nanosleep: -+ case SYS_rt_sigtimedwait: case SYS_ppoll: -+ __fixup(a3); -+ break; -+ case SYS_nanosleep: -+ __fixup(a1); -+ break; -+ } -+ return __syscall_cp_internal(foo, n, a1, a2, a3, a4, a5, a6); -+} -+ ---- a/src/thread/x86_64/syscall_cp.s -+++ b/src/thread/x86_64/syscall_cp.s -@@ -14,7 +14,7 @@ __syscall_cp_asm: - __cp_begin: - mov (%rdi),%eax - test %eax,%eax -- jnz __cancel -+ jnz __cp_cancel - mov %rdi,%r11 - mov %rsi,%rax - mov %rdx,%rdi -@@ -27,3 +27,5 @@ __cp_begin: - syscall - __cp_end: - ret -+__cp_cancel: -+ jmp __cancel ---- a/src/time/clock_gettime.c -+++ b/src/time/clock_gettime.c -@@ -5,37 +5,54 @@ - #include "libc.h" - #include "atomic.h" - --static int sc_clock_gettime(clockid_t clk, struct timespec *ts) -+#ifdef VDSO_CGT_SYM -+ -+void *__vdsosym(const char *, const char *); -+ -+static void *volatile vdso_func; -+ -+static int cgt_init(clockid_t clk, struct timespec *ts) - { -- int r = __syscall(SYS_clock_gettime, clk, ts); -- if (!r) return r; -- if (r == -ENOSYS) { -- if (clk == CLOCK_REALTIME) { -- __syscall(SYS_gettimeofday, ts, 0); -- ts->tv_nsec = (int)ts->tv_nsec * 1000; -- return 0; -- } -- r = -EINVAL; -- } -- errno = -r; -- return -1; -+ void *p = __vdsosym(VDSO_CGT_VER, VDSO_CGT_SYM); -+ int (*f)(clockid_t, struct timespec *) = -+ (int (*)(clockid_t, struct timespec *))p; -+ a_cas_p(&vdso_func, (void *)cgt_init, p); -+ return f ? f(clk, ts) : -ENOSYS; - } - --void *__vdsosym(const char *, const char *); -+static void *volatile vdso_func = (void *)cgt_init; -+ -+#endif - - int __clock_gettime(clockid_t clk, struct timespec *ts) - { -+ int r; -+ - #ifdef VDSO_CGT_SYM -- static int (*volatile cgt)(clockid_t, struct timespec *); -- if (!cgt) { -- void *f = __vdsosym(VDSO_CGT_VER, VDSO_CGT_SYM); -- if (!f) f = (void *)sc_clock_gettime; -- a_cas_p(&cgt, 0, f); -+ int (*f)(clockid_t, struct timespec *) = -+ (int (*)(clockid_t, struct timespec *))vdso_func; -+ if (f) { -+ r = f(clk, ts); -+ if (!r) return r; -+ if (r == -EINVAL) return __syscall_ret(r); -+ /* Fall through on errors other than EINVAL. Some buggy -+ * vdso implementations return ENOSYS for clocks they -+ * can't handle, rather than making the syscall. This -+ * also handles the case where cgt_init fails to find -+ * a vdso function to use. */ - } -- return cgt(clk, ts); --#else -- return sc_clock_gettime(clk, ts); - #endif -+ -+ r = __syscall(SYS_clock_gettime, clk, ts); -+ if (r == -ENOSYS) { -+ if (clk == CLOCK_REALTIME) { -+ __syscall(SYS_gettimeofday, ts, 0); -+ ts->tv_nsec = (int)ts->tv_nsec * 1000; -+ return 0; -+ } -+ r = -EINVAL; -+ } -+ return __syscall_ret(r); - } - - weak_alias(__clock_gettime, clock_gettime); diff --git a/toolchain/musl/patches/010-Add-PowerPC-soft-float-support.patch b/toolchain/musl/patches/010-Add-PowerPC-soft-float-support.patch index dd770f61bf..0dc3f0e8a8 100644 --- a/toolchain/musl/patches/010-Add-PowerPC-soft-float-support.patch +++ b/toolchain/musl/patches/010-Add-PowerPC-soft-float-support.patch @@ -47,7 +47,7 @@ Signed-off-by: Felix Fietkau <nbd@openwrt.org> --- a/configure +++ b/configure -@@ -604,6 +604,10 @@ trycppif "_MIPSEL || __MIPSEL || __MIPSE +@@ -615,6 +615,10 @@ trycppif "_MIPSEL || __MIPSEL || __MIPSE trycppif __mips_soft_float "$t" && SUBARCH=${SUBARCH}-sf fi diff --git a/toolchain/musl/patches/020-ldso-fix-GDB-dynamic-linker-info-on-MIPS.patch b/toolchain/musl/patches/020-ldso-fix-GDB-dynamic-linker-info-on-MIPS.patch deleted file mode 100644 index 12d85034ee..0000000000 --- a/toolchain/musl/patches/020-ldso-fix-GDB-dynamic-linker-info-on-MIPS.patch +++ /dev/null @@ -1,55 +0,0 @@ -From: Felix Fietkau <nbd@openwrt.org> -Date: Sat, 30 Jan 2016 19:19:08 +0100 -Subject: [PATCH] ldso: fix GDB dynamic linker info on MIPS - -GDB is looking for a pointer to the ldso debug info in the data of the -.rld_map section. - -Signed-off-by: Felix Fietkau <nbd@openwrt.org> ---- - ---- a/arch/mips/reloc.h -+++ b/arch/mips/reloc.h -@@ -24,7 +24,7 @@ - #define REL_TPOFF R_MIPS_TLS_TPREL32 - - #define NEED_MIPS_GOT_RELOCS 1 --#define DYNAMIC_IS_RO 1 -+#define DT_DEBUG_INDIRECT DT_MIPS_RLD_MAP - #define ARCH_SYM_REJECT_UND(s) (!((s)->st_other & STO_MIPS_PLT)) - - #define CRTJMP(pc,sp) __asm__ __volatile__( \ ---- a/ldso/dynlink.c -+++ b/ldso/dynlink.c -@@ -1582,11 +1582,14 @@ _Noreturn void __dls3(size_t *sp) - load_deps(&app); - make_global(&app); - --#ifndef DYNAMIC_IS_RO -- for (i=0; app.dynv[i]; i+=2) -- if (app.dynv[i]==DT_DEBUG) -+ for (i=0; app.dynv[i]; i+=2) { -+ if (!DT_DEBUG_INDIRECT && app.dynv[i]==DT_DEBUG) - app.dynv[i+1] = (size_t)&debug; --#endif -+ if (DT_DEBUG_INDIRECT && app.dynv[i]==DT_DEBUG_INDIRECT) { -+ size_t *ptr = (size_t *) app.dynv[i+1]; -+ *ptr = (size_t)&debug; -+ } -+ } - - /* The main program must be relocated LAST since it may contin - * copy relocations which depend on libraries' relocations. */ ---- a/src/internal/dynlink.h -+++ b/src/internal/dynlink.h -@@ -83,6 +83,10 @@ struct fdpic_dummy_loadmap { - #define NEED_MIPS_GOT_RELOCS 0 - #endif - -+#ifndef DT_DEBUG_INDIRECT -+#define DT_DEBUG_INDIRECT 0 -+#endif -+ - #define AUX_CNT 32 - #define DYN_CNT 32 - diff --git a/toolchain/musl/patches/200-add_libssp_nonshared.patch b/toolchain/musl/patches/200-add_libssp_nonshared.patch index f6758cdae8..7a2909461b 100644 --- a/toolchain/musl/patches/200-add_libssp_nonshared.patch +++ b/toolchain/musl/patches/200-add_libssp_nonshared.patch @@ -12,7 +12,7 @@ Signed-off-by: Steven Barth <steven@midlink.org> --- a/Makefile +++ b/Makefile -@@ -60,7 +60,7 @@ CRT_LIBS = lib/crt1.o lib/Scrt1.o lib/rc +@@ -66,7 +66,7 @@ CRT_LIBS = $(addprefix lib/,$(notdir $(C STATIC_LIBS = lib/libc.a SHARED_LIBS = lib/libc.so TOOL_LIBS = lib/musl-gcc.specs @@ -21,7 +21,7 @@ Signed-off-by: Steven Barth <steven@midlink.org> ALL_TOOLS = obj/musl-gcc WRAPCC_GCC = gcc -@@ -123,7 +123,8 @@ NOSSP_SRCS = $(wildcard crt/*.c) \ +@@ -125,7 +125,8 @@ NOSSP_SRCS = $(wildcard crt/*.c) \ src/thread/__set_thread_area.c src/thread/$(ARCH)/__set_thread_area.c \ src/string/memset.c src/string/$(ARCH)/memset.c \ src/string/memcpy.c src/string/$(ARCH)/memcpy.c \ @@ -30,8 +30,8 @@ Signed-off-by: Steven Barth <steven@midlink.org> + src/libssp_nonshared/__stack_chk_fail_local.c $(NOSSP_SRCS:%.c=obj/%.o) $(NOSSP_SRCS:%.c=obj/%.lo): CFLAGS_ALL += $(CFLAGS_NOSSP) - $(CRT_LIBS:lib/%=obj/crt/%): CFLAGS_ALL += -DCRT -@@ -167,6 +168,11 @@ lib/libc.a: $(AOBJS) + $(CRT_OBJS): CFLAGS_ALL += -DCRT +@@ -168,6 +169,11 @@ lib/libc.a: $(AOBJS) $(AR) rc $@ $(AOBJS) $(RANLIB) $@ diff --git a/toolchain/musl/patches/300-relative.patch b/toolchain/musl/patches/300-relative.patch index 3a9c13eb36..7e1eb7d6bc 100644 --- a/toolchain/musl/patches/300-relative.patch +++ b/toolchain/musl/patches/300-relative.patch @@ -1,6 +1,6 @@ --- a/Makefile +++ b/Makefile -@@ -219,7 +219,7 @@ $(DESTDIR)$(includedir)/%: $(srcdir)/inc +@@ -217,7 +217,7 @@ $(DESTDIR)$(includedir)/%: $(srcdir)/inc $(INSTALL) -D -m 644 $< $@ $(DESTDIR)$(LDSO_PATHNAME): $(DESTDIR)$(libdir)/libc.so |