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authorFlorian Fainelli <florian@openwrt.org>2012-10-12 14:42:38 +0000
committerFlorian Fainelli <florian@openwrt.org>2012-10-12 14:42:38 +0000
commit154123a8c67ad4c5f7ece55053edc2396b9675c9 (patch)
treebbf4704d6a0d59d19908c10c2e8d4148e956c139 /toolchain/eglibc
parent1eb14badf2bcac84c3fe3b7131f4866b29fe6eec (diff)
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add support for eglibc 2.16
SVN-Revision: 33738
Diffstat (limited to 'toolchain/eglibc')
-rw-r--r--toolchain/eglibc/Config.in6
-rw-r--r--toolchain/eglibc/Config.version1
-rw-r--r--toolchain/eglibc/common.mk3
-rw-r--r--toolchain/eglibc/patches/2.16/001-Avoid-use-of-libgcc_s-and-libgcc_eh-when-building-gl.patch343
-rw-r--r--toolchain/eglibc/patches/2.16/002-Add-ARM-specific-static-stubs.c.patch27
-rw-r--r--toolchain/eglibc/patches/2.16/003-mips-rld-map-check.patch26
6 files changed, 406 insertions, 0 deletions
diff --git a/toolchain/eglibc/Config.in b/toolchain/eglibc/Config.in
index 3f5d368c78..0336767cfb 100644
--- a/toolchain/eglibc/Config.in
+++ b/toolchain/eglibc/Config.in
@@ -17,6 +17,10 @@ choice
bool "eglibc 2.15"
depends !GCC_VERSION_LLVM
+ config EGLIBC_VERSION_2_16
+ bool "eglibc 2.16"
+ depends !GCC_VERSION_LLVM
+
endchoice
config EGLIBC_REVISION
@@ -26,6 +30,8 @@ config EGLIBC_REVISION
default "15508" if EGLIBC_VERSION_2_13
default "16488" if EGLIBC_VERSION_2_14
default "18909" if EGLIBC_VERSION_2_15
+ default "18909" if EGLIBC_VERSION_2_15
+ default "19922" if EGLIBC_VERSION_2_16
default ""
menu "eglibc configuration"
diff --git a/toolchain/eglibc/Config.version b/toolchain/eglibc/Config.version
index 6b8895f0b5..c83b391411 100644
--- a/toolchain/eglibc/Config.version
+++ b/toolchain/eglibc/Config.version
@@ -4,4 +4,5 @@ config EGLIBC_VERSION
default "2.13" if EGLIBC_VERSION_2_13
default "2.14.1" if EGLIBC_VERSION_2_14
default "2.15" if EGLIBC_VERSION_2_15
+ default "2.16" if EGLIBC_VERSION_2_16
default "2.13"
diff --git a/toolchain/eglibc/common.mk b/toolchain/eglibc/common.mk
index 9f7916ee7a..c34c612402 100644
--- a/toolchain/eglibc/common.mk
+++ b/toolchain/eglibc/common.mk
@@ -24,6 +24,9 @@ endif
ifneq ($(CONFIG_EGLIBC_VERSION_2_15),)
PKG_SOURCE_URL:=svn://svn.eglibc.org/branches/eglibc-2_15
endif
+ifneq ($(CONFIG_EGLIBC_VERSION_2_16),)
+ PKG_SOURCE_URL:=svn://svn.eglibc.org/branches/eglibc-2_16
+endif
PATCH_DIR:=$(PATH_PREFIX)/patches/$(PKG_VERSION)
diff --git a/toolchain/eglibc/patches/2.16/001-Avoid-use-of-libgcc_s-and-libgcc_eh-when-building-gl.patch b/toolchain/eglibc/patches/2.16/001-Avoid-use-of-libgcc_s-and-libgcc_eh-when-building-gl.patch
new file mode 100644
index 0000000000..e1444aae2a
--- /dev/null
+++ b/toolchain/eglibc/patches/2.16/001-Avoid-use-of-libgcc_s-and-libgcc_eh-when-building-gl.patch
@@ -0,0 +1,343 @@
+Upstream-Status: Backport
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+From 95f5a9a866695da4e038aa4e6ccbbfd5d9cf63b7 Mon Sep 17 00:00:00 2001
+From: Joseph Myers <joseph@codesourcery.com>
+Date: Tue, 3 Jul 2012 19:14:59 +0000
+Subject: [PATCH] Avoid use of libgcc_s and libgcc_eh when building glibc.
+
+---
+ ChangeLog | 47 ++++++++++++++++++++++++++++++
+ Makeconfig | 68 ++++++++++++++++++++++++++++++++++++++------
+ Rules | 45 ++++++++++++++++++++++-------
+ elf/Makefile | 6 +++-
+ elf/static-stubs.c | 46 ++++++++++++++++++++++++++++++
+ ports/ChangeLog.arm | 7 +++++
+ ports/sysdeps/arm/Makefile | 8 ++++++
+ 7 files changed, 206 insertions(+), 21 deletions(-)
+ create mode 100644 elf/static-stubs.c
+
+Index: a/libc/Makeconfig
+===================================================================
+--- a/libc/Makeconfig 2012-07-04 18:26:22.000000000 -0700
++++ b/libc/Makeconfig 2012-08-14 20:16:10.197093639 -0700
+@@ -415,9 +415,9 @@
+ LDFLAGS-rtld += $(hashstyle-LDFLAGS)
+ endif
+
+-# Command for linking programs with the C library.
++# Commands for linking programs with the C library.
+ ifndef +link
+-+link = $(CC) -nostdlib -nostartfiles -o $@ \
+++link-before-libc = $(CC) -nostdlib -nostartfiles -o $@ \
+ $(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
+ $(combreloc-LDFLAGS) $(relro-LDFLAGS) $(hashstyle-LDFLAGS) \
+ $(addprefix $(csu-objpfx),$(start-installed-name)) \
+@@ -426,7 +426,10 @@
+ $(start-installed-name))\
+ $(+preinit) $(link-extra-libs) \
+ $(common-objpfx)libc% $(+postinit),$^) \
+- $(link-extra-libs) $(link-libc) $(+postctor) $(+postinit)
++ $(link-extra-libs)
+++link-after-libc = $(+postctor) $(+postinit)
+++link = $(+link-before-libc) $(link-libc) $(+link-after-libc)
+++link-tests = $(+link-before-libc) $(link-libc-tests) $(+link-after-libc)
+ endif
+ # Command for linking PIE programs with the C library.
+ ifndef +link-pie
+@@ -443,7 +446,7 @@
+ endif
+ # Command for statically linking programs with the C library.
+ ifndef +link-static
+-+link-static = $(CC) -nostdlib -nostartfiles -static -o $@ \
+++link-static-before-libc = $(CC) -nostdlib -nostartfiles -static -o $@ \
+ $(sysdep-LDFLAGS) $(LDFLAGS) $(LDFLAGS-$(@F)) \
+ $(addprefix $(csu-objpfx),$(static-start-installed-name)) \
+ $(+preinit) $(+prector) \
+@@ -451,7 +454,12 @@
+ $(start-installed-name))\
+ $(+preinit) $(link-extra-libs-static) \
+ $(common-objpfx)libc% $(+postinit),$^) \
+- $(link-extra-libs-static) $(link-libc-static) $(+postctor) $(+postinit)
++ $(link-extra-libs-static) $(link-libc-static)
+++link-static-after-libc = $(+postctor) $(+postinit)
+++link-static = $(+link-static-before-libc) $(link-libc-static) \
++ $(+link-static-after-libc)
+++link-static-tests = $(+link-static-before-libc) $(link-libc-static-tests) \
++ $(+link-static-after-libc)
+ endif
+ # Command for statically linking bounded-pointer programs with the C library.
+ ifndef +link-bounded
+@@ -475,10 +483,12 @@
+ # We need the versioned name of libc.so in the deps of $(others) et al
+ # so that the symlink to libc.so is created before anything tries to
+ # run the linked programs.
+-link-libc = -Wl,-rpath-link=$(rpath-link) \
++link-libc-before-gnulib = -Wl,-rpath-link=$(rpath-link) \
+ $(common-objpfx)libc.so$(libc.so-version) \
+ $(common-objpfx)$(patsubst %,$(libtype.oS),c) \
+- $(as-needed) $(common-objpfx)elf/ld.so $(no-as-needed) $(gnulib)
++ $(as-needed) $(common-objpfx)elf/ld.so $(no-as-needed)
++link-libc = $(link-libc-before-gnulib) $(gnulib)
++link-libc-tests = $(link-libc-before-gnulib) $(gnulib-tests)
+ # This is how to find at build-time things that will be installed there.
+ rpath-dirs = math elf dlfcn nss nis rt resolv crypt
+ rpath-link = \
+@@ -488,6 +498,7 @@
+ nssobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)nss)
+ resolvobjdir := $(patsubst ../$(subdir),.,$(common-objpfx)resolv)
+ link-libc = $(common-objpfx)libc.a $(otherlibs) $(gnulib) $(common-objpfx)libc.a $(gnulib)
++link-libc-tests = $(common-objpfx)libc.a $(otherlibs) $(gnulib-tests) $(common-objpfx)libc.a $(gnulib-tests)
+ endif
+ endif
+
+@@ -513,8 +524,43 @@
+
+ # The static libraries.
+ link-libc-static = -Wl,--start-group $(common-objpfx)libc.a $(static-gnulib) -Wl,--end-group
++link-libc-static-tests = -Wl,--start-group $(common-objpfx)libc.a $(static-gnulib-tests) -Wl,--end-group
+ link-libc-bounded = $(common-objpfx)libc_b.a $(gnulib) $(common-objpfx)libc_b.a
+
++# How to link against libgcc. Some libgcc functions, such as those
++# for "long long" arithmetic or software floating point, can always be
++# built without use of C library headers and do not have any global
++# state so can safely be linked statically into any executable or
++# shared library requiring them; these functions are in libgcc.a.
++# Other functions, relating to exception handling, may require C
++# library headers to build and it may not be safe to have more than
++# one copy of them in a process; these functions are only in
++# libgcc_s.so and libgcc_eh.a.
++#
++# To avoid circular dependencies when bootstrapping, it is desirable
++# to avoid use of libgcc_s and libgcc_eh in building glibc. Where any
++# glibc functionality (in particular, thread cancellation) requires
++# exception handling, this is implemented through dlopen of libgcc_s
++# to avoid unnecessary dependencies on libgcc_s by programs not using
++# that functionality; executables built with glibc do not use
++# exception handling other than through thread cancellation.
++#
++# Undefined references to functions from libgcc_eh or libgcc_s may
++# arise for code built with -fexceptions. In the case of statically
++# linked programs installed by glibc, unwinding will never actually
++# occur at runtime and the use of elf/static-stubs.c to resolve these
++# references is safe. In the case of statically linked test programs
++# and test programs built with -fexceptions, unwinding may occur in
++# some cases and it is preferable to link with libgcc_eh or libgcc_s
++# so that the testing is as similar as possible to how programs will
++# be built with the installed glibc.
++#
++# Some architectures have architecture-specific systems for exception
++# handling that may involve undefined references to
++# architecture-specific functions. On those architectures,
++# gnulib-arch and static-gnulib-arch may be defined in sysdeps
++# makefiles to use additional libraries for linking executables and
++# shared libraries built by glibc.
+ ifndef gnulib
+ ifneq ($(have-cc-with-libunwind),yes)
+ libunwind =
+@@ -522,8 +568,12 @@
+ libunwind = -lunwind
+ endif
+ libgcc_eh := -Wl,--as-needed -lgcc_s $(libunwind) -Wl,--no-as-needed
+-gnulib := -lgcc $(libgcc_eh)
+-static-gnulib := -lgcc -lgcc_eh $(libunwind)
++gnulib-arch =
++gnulib = -lgcc $(gnulib-arch)
++gnulib-tests := -lgcc $(libgcc_eh)
++static-gnulib-arch =
++static-gnulib = -lgcc $(static-gnulib-arch)
++static-gnulib-tests := -lgcc -lgcc_eh $(libunwind)
+ libc.so-gnulib := -lgcc
+ endif
+ +preinit = $(addprefix $(csu-objpfx),crti.o)
+Index: a/libc/Rules
+===================================================================
+--- a/libc/Rules 2012-07-04 18:25:47.000000000 -0700
++++ b/libc/Rules 2012-08-14 20:16:10.197093639 -0700
+@@ -1,5 +1,4 @@
+-# Copyright (C) 1991-2000,2002,2003,2004,2005,2006,2011
+-# Free Software Foundation, Inc.
++# Copyright (C) 1991-2012 Free Software Foundation, Inc.
+ # This file is part of the GNU C Library.
+
+ # The GNU C Library is free software; you can redistribute it and/or
+@@ -103,29 +102,46 @@
+ # eglibc: endif
+
+ ifeq ($(build-programs),yes)
+-binaries-all = $(others) $(sysdep-others) $(tests) $(xtests) $(test-srcs)
+-binaries-static = $(others-static) $(tests-static) $(xtests-static)
++binaries-all-notests = $(others) $(sysdep-others)
++binaries-all-tests = $(tests) $(xtests) $(test-srcs)
++binaries-all = $(binaries-all-notests) $(binaries-all-tests)
++binaries-static-notests = $(others-static)
++binaries-static-tests = $(tests-static) $(xtests-static)
++binaries-static = $(binaries-static-notests) $(binaries-static-tests)
+ ifeq (yesyes,$(have-fpie)$(build-shared))
+ binaries-pie = $(others-pie) $(tests-pie) $(xtests-pie)
+ else
+ binaries-pie =
+ endif
+ else
+-binaries-all = $(tests) $(xtests) $(test-srcs)
++binaries-all-notests =
++binaries-all-tests = $(tests) $(xtests) $(test-srcs)
++binaries-all = $(binaries-all-tests)
++binaries-static-notests =
++binaries-static-tests =
+ binaries-static =
+ binaries-pie =
+ endif
+
+-binaries-shared = $(filter-out $(binaries-pie) $(binaries-static), \
+- $(binaries-all))
++binaries-shared-tests = $(filter-out $(binaries-pie) $(binaries-static), \
++ $(binaries-all-tests))
++binaries-shared-notests = $(filter-out $(binaries-pie) $(binaries-static), \
++ $(binaries-all-notests))
+
+-ifneq "$(strip $(binaries-shared))" ""
+-$(addprefix $(objpfx),$(binaries-shared)): %: %.o \
++ifneq "$(strip $(binaries-shared-notests))" ""
++$(addprefix $(objpfx),$(binaries-shared-notests)): %: %.o \
+ $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
+ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
+ $(+link)
+ endif
+
++ifneq "$(strip $(binaries-shared-tests))" ""
++$(addprefix $(objpfx),$(binaries-shared-tests)): %: %.o \
++ $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
++ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
++ $(+link-tests)
++endif
++
+ ifneq "$(strip $(binaries-pie))" ""
+ $(addprefix $(objpfx),$(binaries-pie)): %: %.o \
+ $(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
+@@ -133,13 +149,20 @@
+ $(+link-pie)
+ endif
+
+-ifneq "$(strip $(binaries-static))" ""
+-$(addprefix $(objpfx),$(binaries-static)): %: %.o \
++ifneq "$(strip $(binaries-static-notests))" ""
++$(addprefix $(objpfx),$(binaries-static-notests)): %: %.o \
+ $(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
+ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
+ $(+link-static)
+ endif
+
++ifneq "$(strip $(binaries-static-tests))" ""
++$(addprefix $(objpfx),$(binaries-static-tests)): %: %.o \
++ $(sort $(filter $(common-objpfx)lib%,$(link-libc-static-tests))) \
++ $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
++ $(+link-static-tests)
++endif
++
+ ifeq ($(build-bounded),yes)
+ binaries-bounded = $(addsuffix -bp,$(tests) $(xtests) $(test-srcs))
+ $(addprefix $(objpfx),$(binaries-bounded)): %-bp: %.ob \
+Index: a/libc/elf/Makefile
+===================================================================
+--- a/libc/elf/Makefile 2012-07-04 18:26:34.000000000 -0700
++++ b/libc/elf/Makefile 2012-08-14 20:16:10.197093639 -0700
+@@ -71,6 +71,8 @@
+ install-bin = sprof pldd
+ others-static = sln
+ install-rootsbin = sln
++sln-modules := static-stubs
++extra-objs += $(sln-modules:=.o)
+
+ ifeq (yes,$(use-ldconfig))
+ ifeq (yes,$(build-shared))
+@@ -78,7 +80,7 @@
+ others += ldconfig
+ install-rootsbin += ldconfig
+
+-ldconfig-modules := cache readlib xmalloc xstrdup chroot_canon
++ldconfig-modules := cache readlib xmalloc xstrdup chroot_canon static-stubs
+ extra-objs += $(ldconfig-modules:=.o)
+ endif
+ endif
+@@ -417,6 +419,8 @@
+
+ $(objpfx)sprof: $(libdl)
+
++$(objpfx)sln: $(sln-modules:%=$(objpfx)%.o)
++
+ $(objpfx)ldconfig: $(ldconfig-modules:%=$(objpfx)%.o)
+
+ $(objpfx)pldd: $(pldd-modules:%=$(objpfx)%.o)
+Index: a/libc/elf/static-stubs.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ a/libc/elf/static-stubs.c 2012-08-14 20:16:10.197093639 -0700
+@@ -0,0 +1,46 @@
++/* Stub implementations of functions to link into statically linked
++ programs without needing libgcc_eh.
++ Copyright (C) 2012 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++
++ The GNU C Library is free software; you can redistribute it and/or
++ modify it under the terms of the GNU Lesser General Public
++ License as published by the Free Software Foundation; either
++ version 2.1 of the License, or (at your option) any later version.
++
++ The GNU C Library is distributed in the hope that it will be useful,
++ but WITHOUT ANY WARRANTY; without even the implied warranty of
++ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
++ Lesser General Public License for more details.
++
++ You should have received a copy of the GNU Lesser General Public
++ License along with the GNU C Library; if not, see
++ <http://www.gnu.org/licenses/>. */
++
++/* Avoid backtrace (and so _Unwind_Backtrace) dependencies from
++ sysdeps/unix/sysv/linux/libc_fatal.c. */
++#include <sysdeps/posix/libc_fatal.c>
++
++#include <stdlib.h>
++#include <unwind.h>
++
++/* These programs do not use thread cancellation, so _Unwind_Resume
++ and the personality routine are never actually called. */
++
++void
++_Unwind_Resume (struct _Unwind_Exception *exc __attribute__ ((unused)))
++{
++ abort ();
++}
++
++_Unwind_Reason_Code
++__gcc_personality_v0 (int version __attribute__ ((unused)),
++ _Unwind_Action actions __attribute__ ((unused)),
++ _Unwind_Exception_Class exception_class
++ __attribute__ ((unused)),
++ struct _Unwind_Exception *ue_header
++ __attribute__ ((unused)),
++ struct _Unwind_Context *context __attribute__ ((unused)))
++{
++ abort ();
++}
+Index: a/ports/sysdeps/arm/Makefile
+===================================================================
+--- a/ports/sysdeps/arm/Makefile 2012-07-04 18:25:41.000000000 -0700
++++ b/ports/sysdeps/arm/Makefile 2012-08-14 20:16:10.201093638 -0700
+@@ -1,8 +1,16 @@
++gnulib-arch = $(elfobjdir)/libgcc-stubs.a
++static-gnulib-arch = $(elfobjdir)/libgcc-stubs.a
++
+ ifeq ($(subdir),elf)
+ sysdep-dl-routines += tlsdesc dl-tlsdesc
+ sysdep_routines += aeabi_unwind_cpp_pr1 find_exidx tlsdesc dl-tlsdesc
+ sysdep-rtld-routines += aeabi_unwind_cpp_pr1 tlsdesc dl-tlsdesc
+ shared-only-routines += aeabi_unwind_cpp_pr1
++
++$(objpfx)libgcc-stubs.a: $(objpfx)aeabi_unwind_cpp_pr1.os
++ $(build-extra-lib)
++
++lib-noranlib: $(objpfx)libgcc-stubs.a
+ endif
+
+ ifeq ($(subdir),csu)
diff --git a/toolchain/eglibc/patches/2.16/002-Add-ARM-specific-static-stubs.c.patch b/toolchain/eglibc/patches/2.16/002-Add-ARM-specific-static-stubs.c.patch
new file mode 100644
index 0000000000..3a30621071
--- /dev/null
+++ b/toolchain/eglibc/patches/2.16/002-Add-ARM-specific-static-stubs.c.patch
@@ -0,0 +1,27 @@
+Upstream-Status: Backport
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+From c57a67e03368687fc0d2ae8354cd1b347a61ea44 Mon Sep 17 00:00:00 2001
+From: Joseph Myers <joseph@codesourcery.com>
+Date: Thu, 5 Jul 2012 22:16:03 +0000
+Subject: [PATCH] Add ARM-specific static-stubs.c.
+
+---
+ ports/ChangeLog.arm | 4 ++++
+ ports/sysdeps/arm/static-stubs.c | 7 +++++++
+ 2 files changed, 11 insertions(+)
+ create mode 100644 ports/sysdeps/arm/static-stubs.c
+
+Index: a/ports/sysdeps/arm/static-stubs.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ b/ports/sysdeps/arm/static-stubs.c 2012-08-15 15:04:59.687669241 -0700
+@@ -0,0 +1,7 @@
++/* When building with GCC with static-only libgcc, the dummy
++ _Unwind_Resume from static-stubs.c needs to be used together with
++ the dummy __aeabi_unwind_cpp_pr* from aeabi_unwind_cpp_pr1.c
++ instead of the copies from libgcc. */
++
++#include <elf/static-stubs.c>
++#include <aeabi_unwind_cpp_pr1.c>
diff --git a/toolchain/eglibc/patches/2.16/003-mips-rld-map-check.patch b/toolchain/eglibc/patches/2.16/003-mips-rld-map-check.patch
new file mode 100644
index 0000000000..9b646fea95
--- /dev/null
+++ b/toolchain/eglibc/patches/2.16/003-mips-rld-map-check.patch
@@ -0,0 +1,26 @@
+
+On mips target, binutils currently sets DT_MIPS_RLD_MAP to 0 in dynamic
+section if a --version-script sets _RLD_MAP to local. This is apparently
+a binutils bug, but libc shouldn't segfault in this case.
+
+see also: http://sourceware.org/bugilla/show_bug.cgi?id=11615
+
+Upstream-Status: Pending
+
+9/19/2010 - added by Qing He <qing.he@intel.com>
+
+
+---
+diff -ru glibc-2.10.1.orig/ports/sysdeps/mips/dl-machine.h glibc-2.10.1/ports/sysdeps/mips/dl-machine.h
+--- glibc-2.10.1.orig/ports/sysdeps/mips/dl-machine.h 2009-05-16 16:36:20.000000000 +0800
++++ glibc-2.10.1/ports/sysdeps/mips/dl-machine.h 2010-09-19 09:11:53.000000000 +0800
+@@ -70,7 +70,8 @@
+ /* If there is a DT_MIPS_RLD_MAP entry in the dynamic section, fill it in
+ with the run-time address of the r_debug structure */
+ #define ELF_MACHINE_DEBUG_SETUP(l,r) \
+-do { if ((l)->l_info[DT_MIPS (RLD_MAP)]) \
++do { if ((l)->l_info[DT_MIPS (RLD_MAP)] && \
++ (l)->l_info[DT_MIPS (RLD_MAP)]->d_un.d_ptr) \
+ *(ElfW(Addr) *)((l)->l_info[DT_MIPS (RLD_MAP)]->d_un.d_ptr) = \
+ (ElfW(Addr)) (r); \
+ } while (0)