diff options
Diffstat (limited to 'toolchain/uClibc/patches-0.9.33/600-ubicom32-uClibc.patch')
| -rw-r--r-- | toolchain/uClibc/patches-0.9.33/600-ubicom32-uClibc.patch | 4305 |
1 files changed, 4305 insertions, 0 deletions
diff --git a/toolchain/uClibc/patches-0.9.33/600-ubicom32-uClibc.patch b/toolchain/uClibc/patches-0.9.33/600-ubicom32-uClibc.patch new file mode 100644 index 0000000000..6e8fc8a89e --- /dev/null +++ b/toolchain/uClibc/patches-0.9.33/600-ubicom32-uClibc.patch @@ -0,0 +1,4305 @@ +--- a/Rules.mak ++++ b/Rules.mak +@@ -524,6 +524,17 @@ ifeq ($(TARGET_ARCH),i960) + SYMBOL_PREFIX=_ + endif + ++ifeq ($(TARGET_ARCH),ubicom32) ++ OPTIMIZATION+=-fstrict-aliasing ++ CPU_CFLAGS-$(CONFIG_UBICOM32_V3)+=-march=ubicom32v3 ++ CPU_CFLAGS-$(CONFIG_UBICOM32_V4)+=-march=ubicom32v4 ++ifeq ($(UCLIBC_FORMAT_FDPIC_ELF),y) ++ CPU_CFLAGS-y:=-mfdpic ++ CPU_LDFLAGS-y += -Wl,-melf32ubicom32fdpic ++endif ++ ++endif ++ + ifeq ($(TARGET_ARCH),v850) + SYMBOL_PREFIX=_ + endif +--- a/extra/Configs/Config.in ++++ b/extra/Configs/Config.in +@@ -102,6 +102,9 @@ config TARGET_sh64 + config TARGET_sparc + bool "sparc" + ++config TARGET_ubicom32 ++ bool "ubicom32" ++ + config TARGET_v850 + bool "v850 (BROKEN)" + +@@ -206,6 +209,10 @@ if TARGET_sparc + source "extra/Configs/Config.sparc" + endif + ++if TARGET_ubicom32 ++source "extra/Configs/Config.ubicom32" ++endif ++ + if TARGET_v850 + source "extra/Configs/Config.v850" + endif +--- a/extra/Configs/Config.in.arch ++++ b/extra/Configs/Config.in.arch +@@ -152,7 +152,7 @@ config UCLIBC_HAS_SOFT_FLOAT + config DO_C99_MATH + bool "Enable full C99 math library support" + depends on UCLIBC_HAS_FLOATS +- default n ++ default y + help + If you want the uClibc math library to contain the full set C99 + math library features, then answer Y. If you leave this set to +--- /dev/null ++++ b/extra/Configs/Config.ubicom32 +@@ -0,0 +1,44 @@ ++# ++# For a description of the syntax of this configuration file, ++# see extra/config/Kconfig-language.txt ++# ++ ++config TARGET_ARCH ++ string ++ default "ubicom32" ++ ++config FORCE_OPTIONS_FOR_ARCH ++ bool ++ default y ++ select ARCH_BIG_ENDIAN ++ select ARCH_HAS_NO_MMU ++ ++choice ++ prompt "Target Processor Architecture" ++ default CONFIG_UC_UBICOM32_V3 ++ help ++ This selects the instruction set architecture of your Ubicom32 CPU. This ++ information is used for optimizing purposes. To build a library that ++ will run on any Ubicom32 CPU, you can specify "v3" here. ++ If you pick anything other than "v3," there is no ++ guarantee that uClibc will even run on anything other than the ++ selected processor type. ++ ++ You should probably select the Ubicom32 ISA that best matches the ++ CPU you will be using on your device. uClibc will be tuned ++ for that architecture. ++ ++ If you don't know what to do, choose "v3" ++ ++config CONFIG_UC_UBICOM32_V3 ++ bool "ISA v3" ++ ++config CONFIG_UC_UBICOM32_V4 ++ bool "ISA v4" ++endchoice ++ ++config ARCH_CFLAGS ++ string ++ ++config CROSS ++ string +--- a/include/elf.h ++++ b/include/elf.h +@@ -338,6 +338,8 @@ typedef struct + + #define EM_XSTORMY16 0xad45 + ++#define EM_UBICOM32 0xde3d /* Ubicom32; no ABI */ ++ + /* FRV magic number - no EABI available??. */ + #define EM_CYGNUS_FRV 0x5441 + +@@ -3141,6 +3143,55 @@ typedef Elf32_Addr Elf32_Conflict; + #define R_MICROBLAZE_COPY 21 /* runtime copy */ + #define R_MICROBLAZE_NUM 22 + ++/* Ubicom32 ELF relocation types */ ++#define R_UBICOM32_NONE 0 ++#define R_UBICOM32_16 1 ++#define R_UBICOM32_32 2 ++#define R_UBICOM32_LO16 3 ++#define R_UBICOM32_HI16 4 ++#define R_UBICOM32_21_PCREL 5 ++#define R_UBICOM32_24_PCREL 6 ++#define R_UBICOM32_HI24 7 ++#define R_UBICOM32_LO7_S 8 ++#define R_UBICOM32_LO7_2_S 9 ++#define R_UBICOM32_LO7_4_S 10 ++#define R_UBICOM32_LO7_D 11 ++#define R_UBICOM32_LO7_2_D 12 ++#define R_UBICOM32_LO7_4_D 13 ++#define R_UBICOM32_32_HARVARD 14 ++#define R_UBICOM32_LO7_CALLI 15 ++#define R_UBICOM32_LO16_CALLI 16 ++#define R_UBICOM32_GOT_HI24 17 ++#define R_UBICOM32_GOT_LO7_S 18 ++#define R_UBICOM32_GOT_LO7_2_S 19 ++#define R_UBICOM32_GOT_LO7_4_S 20 ++#define R_UBICOM32_GOT_LO7_D 21 ++#define R_UBICOM32_GOT_LO7_2_D 22 ++#define R_UBICOM32_GOT_LO7_4_D 23 ++#define R_UBICOM32_FUNCDESC_GOT_HI24 24 ++#define R_UBICOM32_FUNCDESC_GOT_LO7_S 25 ++#define R_UBICOM32_FUNCDESC_GOT_LO7_2_S 26 ++#define R_UBICOM32_FUNCDESC_GOT_LO7_4_S 27 ++#define R_UBICOM32_FUNCDESC_GOT_LO7_D 28 ++#define R_UBICOM32_FUNCDESC_GOT_LO7_2_D 29 ++#define R_UBICOM32_FUNCDESC_GOT_LO7_4_D 30 ++#define R_UBICOM32_GOT_LO7_CALLI 31 ++#define R_UBICOM32_FUNCDESC_GOT_LO7_CALLI 32 ++#define R_UBICOM32_FUNCDESC_VALUE 33 ++#define R_UBICOM32_FUNCDESC 34 ++#define R_UBICOM32_GOTOFFSET_LO 35 ++#define R_UBICOM32_GOTOFFSET_HI 36 ++#define R_UBICOM32_FUNCDESC_GOTOFFSET_LO 37 ++#define R_UBICOM32_FUNCDESC_GOTOFFSET_HI 38 ++#define R_UBICOM32_GNU_VTINHERIT 200 ++#define R_UBICOM32_GNU_VTENTRY 201 ++ ++/* Ubicom32 Flags. */ ++#define EF_UBICOM32_V3 0x00000001 /* -fmarch=ubicom32v3 */ ++#define EF_UBICOM32_V4 0x00000002 /* -fmarch=ubicom32v4 */ ++#define EF_UBICOM32_PIC 0x80000000 /* -fpic */ ++#define EF_UBICOM32_FDPIC 0x40000000 /* -mfdpic */ ++ + #ifdef __cplusplus + } + #endif +--- a/include/features.h ++++ b/include/features.h +@@ -448,4 +448,10 @@ uClibc was built without large file supp + # include <libc-internal.h> + #endif + ++#ifndef libc_hidden_proto ++#define libc_hidden_proto(name, attrs...) ++#endif ++#ifndef libm_hidden_proto ++#define libm_hidden_proto(name, attrs...) ++#endif + #endif /* features.h */ +--- /dev/null ++++ b/ldso/ldso/ubicom32/dl-debug.h +@@ -0,0 +1,72 @@ ++/* vi: set sw=4 ts=4: */ ++/* Ubicom32 ELF shared library loader suppport ++ * ++ * Copyright (c) 2009 Ubicom Inc. ++ * Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald, ++ * David Engel, Hongjiu Lu and Mitch D'Souza ++ * Copyright (C) 2001-2004 Erik Andersen ++ * ++ * All rights reserved. ++ * ++ * Redistribution and use in source and binary forms, with or without ++ * modification, are permitted provided that the following conditions ++ * are met: ++ * 1. Redistributions of source code must retain the above copyright ++ * notice, this list of conditions and the following disclaimer. ++ * 2. The name of the above contributors may not be ++ * used to endorse or promote products derived from this software ++ * without specific prior written permission. ++ * ++ * THIS SOFTWARE IS PROVIDED BY THE 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 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. ++ */ ++ ++static const char *_dl_reltypes_tab[] = ++{ ++ "R_UBICOM32_NONE", /* 0 */ ++ "R_UBICOM32_16", ++ "R_UBICOM32_32", ++ "R_UBICOM32_LO16", ++ "R_UBICOM32_HI16", ++ "R_UBICOM32_21_PCREL", /* 5 */ ++ "R_UBICOM32_24_PCREL", ++ "R_UBICOM32_HI24", ++ "R_UBICOM32_LO7_S", ++ "R_UBICOM32_LO7_2_S", ++ "R_UBICOM32_LO7_4_S", /* 10 */ ++ "R_UBICOM32_LO7_D", ++ "R_UBICOM32_LO7_2_D", ++ "R_UBICOM32_LO7_4_D", ++ "R_UBICOM32_32_HARVARD", ++ "R_UBICOM32_LO7_CALLI", /* 15 */ ++ "R_UBICOM32_LO16_CALLI", ++ "R_UBICOM32_GOT_HI24", ++ "R_UBICOM32_GOT_LO7_S", ++ "R_UBICOM32_GOT_LO7_2_S" ++ "R_UBICOM32_GOT_LO7_4_S", /* 20 */ ++ "R_UBICOM32_GOT_LO7_D", ++ "R_UBICOM32_GOT_LO7_2_D", ++ "R_UBICOM32_GOT_LO7_4_D", ++ "R_UBICOM32_FUNCDESC_GOT_HI24 24", ++ "R_UBICOM32_FUNCDESC_GOT_LO7_S", /* 25 */ ++ "R_UBICOM32_FUNCDESC_GOT_LO7_2_S", ++ "R_UBICOM32_FUNCDESC_GOT_LO7_4_S", ++ "R_UBICOM32_FUNCDESC_GOT_LO7_D", ++ "R_UBICOM32_FUNCDESC_GOT_LO7_2_D", ++ "R_UBICOM32_FUNCDESC_GOT_LO7_4_D", /* 30 */ ++ "R_UBICOM32_GOT_LO7_CALLI", ++ "R_UBICOM32_FUNCDESC_VALUE", ++ "R_UBICOM32_FUNCDESC", ++#if 1 ++ [200] "R_UBICOM32_GNU_VTINHERIT" , "R_UBICOM32_GNU_VTENTRY" ++#endif ++}; +--- /dev/null ++++ b/ldso/ldso/ubicom32/dl-inlines.h +@@ -0,0 +1,582 @@ ++ /* Copyright (C) 2003, 2004 Red Hat, Inc. ++ Contributed by Alexandre Oliva <aoliva@redhat.com> ++ ++This file is part of uClibc. ++ ++uClibc 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. ++ ++uClibc 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 ++Library General Public License for more details. ++ ++You should have received a copy of the GNU Lesser General Public ++License along with uClibc; see the file COPYING.LIB. If not, write to ++the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, ++USA. */ ++ ++//#include <bfin_sram.h> ++#define SRAM_TEST(x) 0 ++#ifndef _dl_assert ++# define _dl_assert(expr) ++#endif ++ ++/* Initialize a DL_LOADADDR_TYPE given a got pointer and a complete ++ load map. */ ++static __always_inline void ++__dl_init_loadaddr_map (struct elf32_fdpic_loadaddr *loadaddr, Elf32_Addr dl_boot_got_pointer, ++ struct elf32_fdpic_loadmap *map) ++{ ++ if (map->version != 0) ++ { ++ SEND_EARLY_STDERR ("Invalid loadmap version number\n"); ++ _dl_exit(-1); ++ } ++ if (map->nsegs == 0) ++ { ++ SEND_EARLY_STDERR ("Invalid segment count in loadmap\n"); ++ _dl_exit(-1); ++ } ++ loadaddr->got_value = (void*)dl_boot_got_pointer; ++ loadaddr->map = map; ++} ++ ++/* Figure out how many LOAD segments there are in the given headers, ++ and allocate a block for the load map big enough for them. ++ got_value will be properly initialized later on, with INIT_GOT. */ ++static __always_inline int ++__dl_init_loadaddr (struct elf32_fdpic_loadaddr *loadaddr, Elf32_Phdr *ppnt, ++ int pcnt) ++{ ++ int count = 0, i; ++ size_t size; ++ ++ for (i = 0; i < pcnt; i++) ++ if (ppnt[i].p_type == PT_LOAD) ++ count++; ++ ++ loadaddr->got_value = 0; ++ ++ size = sizeof (struct elf32_fdpic_loadmap) ++ + sizeof (struct elf32_fdpic_loadseg) * count; ++ loadaddr->map = _dl_malloc (size); ++ if (! loadaddr->map) ++ _dl_exit (-1); ++ ++ loadaddr->map->version = 0; ++ loadaddr->map->nsegs = 0; ++ ++ return count; ++} ++ ++#if defined (__SUPPORT_LD_DEBUG__) ++extern char *_dl_debug; ++extern int _dl_debug_file; ++#endif ++ ++/* Incrementally initialize a load map. */ ++static __always_inline void ++__dl_init_loadaddr_hdr (struct elf32_fdpic_loadaddr loadaddr, void *addr, ++ Elf32_Phdr *phdr, int maxsegs) ++{ ++ struct elf32_fdpic_loadseg *segdata; ++ ++ if (loadaddr.map->nsegs == maxsegs) ++ _dl_exit (-1); ++ ++ segdata = &loadaddr.map->segs[loadaddr.map->nsegs++]; ++ segdata->addr = (Elf32_Addr) addr; ++ segdata->p_vaddr = phdr->p_vaddr; ++ segdata->p_memsz = phdr->p_memsz; ++ ++#if defined (__SUPPORT_LD_DEBUG__) ++ { ++ if (_dl_debug) ++ _dl_dprintf(_dl_debug_file, "%i: mapped %x at %x, size %x\n", ++ loadaddr.map->nsegs-1, ++ segdata->p_vaddr, segdata->addr, segdata->p_memsz); ++ } ++#endif ++} ++ ++static __always_inline void __dl_loadaddr_unmap ++(struct elf32_fdpic_loadaddr loadaddr, struct funcdesc_ht *funcdesc_ht); ++ ++/* Figure out whether the given address is in one of the mapped ++ segments. */ ++static __always_inline int ++__dl_addr_in_loadaddr (void *p, struct elf32_fdpic_loadaddr loadaddr) ++{ ++ struct elf32_fdpic_loadmap *map = loadaddr.map; ++ int c; ++ ++ for (c = 0; c < map->nsegs; c++) ++ if ((void*)map->segs[c].addr <= p ++ && (char*)p < (char*)map->segs[c].addr + map->segs[c].p_memsz) ++ return 1; ++ ++ return 0; ++} ++ ++static __always_inline void * _dl_funcdesc_for (void *entry_point, void *got_value); ++ ++/* The hashcode handling code below is heavily inspired in libiberty's ++ hashtab code, but with most adaptation points and support for ++ deleting elements removed. ++ ++ Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc. ++ Contributed by Vladimir Makarov (vmakarov@cygnus.com). */ ++ ++static __always_inline unsigned long ++higher_prime_number (unsigned long n) ++{ ++ /* These are primes that are near, but slightly smaller than, a ++ power of two. */ ++ static const unsigned long primes[] = { ++ (unsigned long) 7, ++ (unsigned long) 13, ++ (unsigned long) 31, ++ (unsigned long) 61, ++ (unsigned long) 127, ++ (unsigned long) 251, ++ (unsigned long) 509, ++ (unsigned long) 1021, ++ (unsigned long) 2039, ++ (unsigned long) 4093, ++ (unsigned long) 8191, ++ (unsigned long) 16381, ++ (unsigned long) 32749, ++ (unsigned long) 65521, ++ (unsigned long) 131071, ++ (unsigned long) 262139, ++ (unsigned long) 524287, ++ (unsigned long) 1048573, ++ (unsigned long) 2097143, ++ (unsigned long) 4194301, ++ (unsigned long) 8388593, ++ (unsigned long) 16777213, ++ (unsigned long) 33554393, ++ (unsigned long) 67108859, ++ (unsigned long) 134217689, ++ (unsigned long) 268435399, ++ (unsigned long) 536870909, ++ (unsigned long) 1073741789, ++ (unsigned long) 2147483647, ++ /* 4294967291L */ ++ ((unsigned long) 2147483647) + ((unsigned long) 2147483644), ++ }; ++ ++ const unsigned long *low = &primes[0]; ++ const unsigned long *high = &primes[sizeof(primes) / sizeof(primes[0])]; ++ ++ while (low != high) ++ { ++ const unsigned long *mid = low + (high - low) / 2; ++ if (n > *mid) ++ low = mid + 1; ++ else ++ high = mid; ++ } ++ ++#if 0 ++ /* If we've run out of primes, abort. */ ++ if (n > *low) ++ { ++ fprintf (stderr, "Cannot find prime bigger than %lu\n", n); ++ abort (); ++ } ++#endif ++ ++ return *low; ++} ++ ++struct funcdesc_ht ++{ ++ /* Table itself. */ ++ struct funcdesc_value **entries; ++ ++ /* Current size (in entries) of the hash table */ ++ size_t size; ++ ++ /* Current number of elements. */ ++ size_t n_elements; ++}; ++ ++static __always_inline int ++hash_pointer (const void *p) ++{ ++ return (int) ((long)p >> 3); ++} ++ ++static __always_inline struct funcdesc_ht * ++htab_create (void) ++{ ++ struct funcdesc_ht *ht = _dl_malloc (sizeof (struct funcdesc_ht)); ++ ++ if (! ht) ++ return NULL; ++ ht->size = 3; ++ ht->entries = _dl_malloc (sizeof (struct funcdesc_ht_value *) * ht->size); ++ if (! ht->entries) ++ return NULL; ++ ++ ht->n_elements = 0; ++ ++ _dl_memset (ht->entries, 0, sizeof (struct funcdesc_ht_value *) * ht->size); ++ ++ return ht; ++} ++ ++/* This is only called from _dl_loadaddr_unmap, so it's safe to call ++ _dl_free(). See the discussion below. */ ++static __always_inline void ++htab_delete (struct funcdesc_ht *htab) ++{ ++ int i; ++ ++ for (i = htab->size - 1; i >= 0; i--) ++ if (htab->entries[i]) ++ _dl_free (htab->entries[i]); ++ ++ _dl_free (htab->entries); ++ _dl_free (htab); ++} ++ ++/* Similar to htab_find_slot, but without several unwanted side effects: ++ - Does not call htab->eq_f when it finds an existing entry. ++ - Does not change the count of elements/searches/collisions in the ++ hash table. ++ This function also assumes there are no deleted entries in the table. ++ HASH is the hash value for the element to be inserted. */ ++ ++static __always_inline struct funcdesc_value ** ++find_empty_slot_for_expand (struct funcdesc_ht *htab, int hash) ++{ ++ size_t size = htab->size; ++ unsigned int index = hash % size; ++ struct funcdesc_value **slot = htab->entries + index; ++ int hash2; ++ ++ if (! *slot) ++ return slot; ++ ++ hash2 = 1 + hash % (size - 2); ++ for (;;) ++ { ++ index += hash2; ++ if (index >= size) ++ index -= size; ++ ++ slot = htab->entries + index; ++ if (! *slot) ++ return slot; ++ } ++} ++ ++/* The following function changes size of memory allocated for the ++ entries and repeatedly inserts the table elements. The occupancy ++ of the table after the call will be about 50%. Naturally the hash ++ table must already exist. Remember also that the place of the ++ table entries is changed. If memory allocation failures are allowed, ++ this function will return zero, indicating that the table could not be ++ expanded. If all goes well, it will return a non-zero value. */ ++ ++static __always_inline int ++htab_expand (struct funcdesc_ht *htab) ++{ ++ struct funcdesc_value **oentries; ++ struct funcdesc_value **olimit; ++ struct funcdesc_value **p; ++ struct funcdesc_value **nentries; ++ size_t nsize; ++ ++ oentries = htab->entries; ++ olimit = oentries + htab->size; ++ ++ /* Resize only when table after removal of unused elements is either ++ too full or too empty. */ ++ if (htab->n_elements * 2 > htab->size) ++ nsize = higher_prime_number (htab->n_elements * 2); ++ else ++ nsize = htab->size; ++ ++ nentries = _dl_malloc (sizeof (struct funcdesc_value *) * nsize); ++ _dl_memset (nentries, 0, sizeof (struct funcdesc_value *) * nsize); ++ if (nentries == NULL) ++ return 0; ++ htab->entries = nentries; ++ htab->size = nsize; ++ ++ p = oentries; ++ do ++ { ++ if (*p) ++ *find_empty_slot_for_expand (htab, hash_pointer ((*p)->entry_point)) ++ = *p; ++ ++ p++; ++ } ++ while (p < olimit); ++ ++#if 0 /* We can't tell whether this was allocated by the _dl_malloc() ++ built into ld.so or malloc() in the main executable or libc, ++ and calling free() for something that wasn't malloc()ed could ++ do Very Bad Things (TM). Take the conservative approach ++ here, potentially wasting as much memory as actually used by ++ the hash table, even if multiple growths occur. That's not ++ so bad as to require some overengineered solution that would ++ enable us to keep track of how it was allocated. */ ++ _dl_free (oentries); ++#endif ++ return 1; ++} ++ ++/* This function searches for a hash table slot containing an entry ++ equal to the given element. To delete an entry, call this with ++ INSERT = 0, then call htab_clear_slot on the slot returned (possibly ++ after doing some checks). To insert an entry, call this with ++ INSERT = 1, then write the value you want into the returned slot. ++ When inserting an entry, NULL may be returned if memory allocation ++ fails. */ ++ ++static __always_inline struct funcdesc_value ** ++htab_find_slot (struct funcdesc_ht *htab, void *ptr, int insert) ++{ ++ unsigned int index; ++ int hash, hash2; ++ size_t size; ++ struct funcdesc_value **entry; ++ ++ if (htab->size * 3 <= htab->n_elements * 4 ++ && htab_expand (htab) == 0) ++ return NULL; ++ ++ hash = hash_pointer (ptr); ++ ++ size = htab->size; ++ index = hash % size; ++ ++ entry = &htab->entries[index]; ++ if (!*entry) ++ goto empty_entry; ++ else if ((*entry)->entry_point == ptr) ++ return entry; ++ ++ hash2 = 1 + hash % (size - 2); ++ for (;;) ++ { ++ index += hash2; ++ if (index >= size) ++ index -= size; ++ ++ entry = &htab->entries[index]; ++ if (!*entry) ++ goto empty_entry; ++ else if ((*entry)->entry_point == ptr) ++ return entry; ++ } ++ ++ empty_entry: ++ if (!insert) ++ return NULL; ++ ++ htab->n_elements++; ++ return entry; ++} ++ ++void * ++_dl_funcdesc_for (void *entry_point, void *got_value) ++{ ++ struct elf_resolve *tpnt = ((void**)got_value)[2]; ++ struct funcdesc_ht *ht = tpnt->funcdesc_ht; ++ struct funcdesc_value **entry; ++ ++ _dl_assert (got_value == tpnt->loadaddr.got_value); ++ ++ if (! ht) ++ { ++ ht = htab_create (); ++ if (! ht) ++ return (void*)-1; ++ tpnt->funcdesc_ht = ht; ++ } ++ ++ entry = htab_find_slot (ht, entry_point, 1); ++ if (*entry) ++ { ++ _dl_assert ((*entry)->entry_point == entry_point); ++ return _dl_stabilize_funcdesc (*entry); ++ } ++ ++ *entry = _dl_malloc (sizeof (struct funcdesc_value)); ++ (*entry)->entry_point = entry_point; ++ (*entry)->got_value = got_value; ++ ++ return _dl_stabilize_funcdesc (*entry); ++} ++ ++static __always_inline void const * ++_dl_lookup_address (void const *address) ++{ ++ struct elf_resolve *rpnt; ++ struct funcdesc_value const *fd; ++ ++ /* Make sure we don't make assumptions about its alignment. */ ++ __asm__ ("" : "+r" (address)); ++ ++ if ((Elf32_Addr)address & 7) ++ /* It's not a function descriptor. */ ++ return address; ++ ++ fd = (struct funcdesc_value const *)address; ++ ++ for (rpnt = _dl_loaded_modules; rpnt; rpnt = rpnt->next) ++ { ++ if (! rpnt->funcdesc_ht) ++ continue; ++ ++ if (fd->got_value != rpnt->loadaddr.got_value) ++ continue; ++ ++ address = htab_find_slot (rpnt->funcdesc_ht, (void*)fd->entry_point, 0); ++ ++ if (address && *(struct funcdesc_value *const*)address == fd) ++ { ++ address = (*(struct funcdesc_value *const*)address)->entry_point; ++ break; ++ } ++ else ++ address = fd; ++ } ++ ++ return address; ++} ++ ++void ++__dl_loadaddr_unmap (struct elf32_fdpic_loadaddr loadaddr, ++ struct funcdesc_ht *funcdesc_ht) ++{ ++ int i; ++ ++ for (i = 0; i < loadaddr.map->nsegs; i++) ++ { ++ struct elf32_fdpic_loadseg *segdata; ++ ssize_t offs; ++ segdata = loadaddr.map->segs + i; ++ ++#if 0 /* SRAM */ ++ /* FIXME: ++ A more cleaner way is to add type for struct elf32_fdpic_loadseg, ++ and release the memory according to the type. ++ Currently, we hardcode the memory address of L1 SRAM. */ ++ if ((segdata->addr & 0xff800000) == 0xff800000) ++ { ++ _dl_sram_free ((void *)segdata->addr); ++ continue; ++ } ++#endif ++ offs = (segdata->p_vaddr & ADDR_ALIGN); ++ _dl_munmap ((void*)segdata->addr - offs, ++ segdata->p_memsz + offs); ++ } ++ /* _dl_unmap is only called for dlopen()ed libraries, for which ++ calling free() is safe, or before we've completed the initial ++ relocation, in which case calling free() is probably pointless, ++ but still safe. */ ++ _dl_free (loadaddr.map); ++ if (funcdesc_ht) ++ htab_delete (funcdesc_ht); ++} ++ ++#if 0 /* XXX TODO will look at enabling this if we decide to add support for OCM ++ * code/data */ ++// OLD BLACKFIN CODE ++static __always_inline int ++__dl_is_special_segment (Elf32_Ehdr *epnt, ++ Elf32_Phdr *ppnt) ++{ ++ if (ppnt->p_type != PT_LOAD) ++ return 0; ++ ++ if ((epnt->e_flags & EF_BFIN_CODE_IN_L1) ++ && !(ppnt->p_flags & PF_W) ++ && (ppnt->p_flags & PF_X)) ++ return 1; ++ ++ if ((epnt->e_flags & EF_BFIN_DATA_IN_L1) ++ && (ppnt->p_flags & PF_W) ++ && !(ppnt->p_flags & PF_X)) ++ return 1; ++ ++ /* 0xff700000, 0xff800000, 0xff900000 and 0xffa00000 are also used in ++ GNU ld and linux kernel. They need to be keep synchronized. */ ++ if (ppnt->p_vaddr == 0xff700000 ++ || ppnt->p_vaddr == 0xff800000 ++ || ppnt->p_vaddr == 0xff900000 ++ || ppnt->p_vaddr == 0xffa00000) ++ return 1; ++ ++ return 0; ++} ++ ++static __always_inline char * ++__dl_map_segment (Elf32_Ehdr *epnt, ++ Elf32_Phdr *ppnt, ++ int infile, ++ int flags) ++{ ++ char *status, *tryaddr, *l1addr; ++ size_t size; ++ ++ ++ if (((epnt->e_flags & EF_BFIN_CODE_IN_L1) || ppnt->p_vaddr == 0xffa00000) ++ && !(ppnt->p_flags & PF_W) ++ && (ppnt->p_flags & PF_X)) { ++ status = (char *) _dl_mmap ++ (tryaddr = 0, ++ size = (ppnt->p_vaddr & ADDR_ALIGN) + ppnt->p_filesz, ++ LXFLAGS(ppnt->p_flags), ++ flags | MAP_EXECUTABLE | MAP_DENYWRITE, ++ infile, ppnt->p_offset & OFFS_ALIGN); ++ if (_dl_mmap_check_error(status) ++ || (tryaddr && tryaddr != status)) ++ return NULL; ++ l1addr = (char *) _dl_sram_alloc (ppnt->p_filesz, L1_INST_SRAM); ++ if (l1addr != NULL) ++ _dl_dma_memcpy (l1addr, status + (ppnt->p_vaddr & ADDR_ALIGN), ppnt->p_filesz); ++ _dl_munmap (status, size); ++ if (l1addr == NULL) ++ _dl_dprintf(2, "%s:%i: L1 allocation failed\n", _dl_progname, __LINE__); ++ return l1addr; ++ } ++ ++ if (((epnt->e_flags & EF_BFIN_DATA_IN_L1) ++ || ppnt->p_vaddr == 0xff700000 ++ || ppnt->p_vaddr == 0xff800000 ++ || ppnt->p_vaddr == 0xff900000) ++ && (ppnt->p_flags & PF_W) ++ && !(ppnt->p_flags & PF_X)) { ++ if (ppnt->p_vaddr == 0xff800000) ++ l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_A_SRAM); ++ else if (ppnt->p_vaddr == 0xff900000) ++ l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_B_SRAM); ++ else ++ l1addr = (char *) _dl_sram_alloc (ppnt->p_memsz, L1_DATA_SRAM); ++ if (l1addr == NULL) { ++ _dl_dprintf(2, "%s:%i: L1 allocation failed\n", _dl_progname, __LINE__); ++ } else { ++ if (_DL_PREAD (infile, l1addr, ppnt->p_filesz, ppnt->p_offset) != ppnt->p_filesz) { ++ _dl_sram_free (l1addr); ++ return NULL; ++ } ++ if (ppnt->p_filesz < ppnt->p_memsz) ++ _dl_memset (l1addr + ppnt->p_filesz, 0, ppnt->p_memsz - ppnt->p_filesz); ++ } ++ return l1addr; ++ } ++ return 0; ++} ++#endif +--- /dev/null ++++ b/ldso/ldso/ubicom32/dl-startup.h +@@ -0,0 +1,232 @@ ++/* ++ Copyright (C) 2009 Ubicom, Inc. ++ Copyright (C) 2003 Red Hat, Inc. ++ Contributed by Alexandre Oliva <aoliva@redhat.com> ++ ++This file is part of uClibc. ++ ++uClibc 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. ++ ++uClibc 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 ++Library General Public License for more details. ++ ++You should have received a copy of the GNU Lesser General Public ++License along with uClibc; see the file COPYING.LIB. If not, write to ++the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, ++USA. */ ++ ++/* Any assembly language/system dependent hacks needed to setup ++ * boot1.c so it will work as expected and cope with whatever platform ++ * specific wierdness is needed for this architecture. ++ ++ * We override the default _dl_boot function, and replace it with a ++ * bit of asm. Then call the real _dl_boot function, which is now ++ * named _dl_boot2. */ ++ ++/* At program start-up, p0 contains a pointer to a ++ elf32_fdpic_loadmap that describes how the executable was loaded ++ into memory. p1 contains a pointer to the interpreter (our!) ++ loadmap, if there is an interpreter, or 0 if we're being run as an ++ executable. p2 holds a pointer to the interpreter's dynamic ++ section, if there is an interpreter, or to the executable's dynamic ++ section, otherwise. If the executable is not dynamic, gr18 is 0. ++ ++ We rely on the fact that the linker adds a pointer to the ++ _GLOBAL_OFFSET_TABLE_ as the last ROFIXUP entry, and that ++ __self_reloc returns the relocated pointer to us, so that we can ++ use this value to initialize the PIC register. */ ++ ++ ++/* ++ * _dl_boot is the entry point for ldso. ++ * ++ * The kernel leaves the main apps args on the stack (positive offsets), and ++ * communicates the load maps as follows ++ * ++ * - d1 is set to the exec_map_addr (struct elf32_fdpic_loadmap *), which is the ++ * current state of the mapped application. ++ * ++ * - d2 is set to interp_map_addr (struct elf32_fdpic_loadmap *), which is use ++ * by ldso to relocate itself. ++ * ++ * - d3 is dynamic_addr which as far as I can tell is the stack pointer. ++ * ++ * - a1 is set to zero and will later be initialised to ldso _dl_fini funcdesc ++ */ ++ ++__asm__( ++ " .text \n\t" ++ " .global _start \n\t" ++ " .type _start,@function \n\t" ++ "_start:\n\t" ++ /* ++ * Jump to .Lcall storing the location .Lcall in a5 ++ */ ++ " call a5, .Lcall \n\t" ++ ".Lcall: \n\t" ++ /* ++ * Reserve and Push inputs to stack. ++ * 32 byte stack layout as follows ++ * offset 0 exec_map_addr ++ * 4 interp_map_addr ++ * 8 dynamic_addr ++ * 12 not used ++ * 16 dl_main_funcdesc structure for _dl_boot ++ * (12 bytes sizeof funcdesc_value) ++ * 28 reserved ++ * 32 start of &original stack ++ */ ++ " pdec sp, 32(sp); reserve stack space \n\t" ++ " move.4 0(sp), d1 ; exec_map_addr \n\t" ++ " move.4 4(sp), d2 ; interp_map_addr \n\t" ++ " move.4 8(sp), d3; dynamic_addr \n\t" ++ ++ /* ++ * Load linker version of .Lcall in to d0 ++ */ ++ " moveai a3, #%hi(.Lcall) \n\t" ++ " lea.1 d0, %lo(.Lcall)(a3) \n\t" ++ ++ /* ++ * Determine the offset from loaded .Lcall and put it in d0. ++ */ ++ " sub.4 d0, a5, d0 \n\t" ++ ++ /* ++ * Load linker version of __ROFIXUP_LIST__ and __ROFIXUP_END__ in to d1 ++ * and d2. ++ */ ++ " moveai a3, #%hi(__ROFIXUP_LIST__) \n\t" ++ " lea.1 d1, %lo(__ROFIXUP_LIST__)(a3) \n\t" ++ " moveai a3, #%hi(__ROFIXUP_END__) \n\t" ++ " lea.1 d2, %lo(__ROFIXUP_END__)(a3) \n\t" ++ /* ++ * Use offset determined above to find the loaded versions. ++ */ ++ " add.4 d1, d1, d0 \n\t" ++ " add.4 d2, d2, d0 \n\t" ++ ++ /* ++ * Load interp_map_addr into d0, if interp_map_addr is null use ++ * exec_map_addr. ++ */ ++ " move.4 d0, 4(sp) ; load interp_map_addr \n\t" ++ " cmpi d0, #0 \n\t" ++ " jmpne.f 1f \n\t" ++ " move.4 d0, 0(sp) ; load exec_map_addr \n\t" ++ ++ /* ++ * call __self_reloc(map, void ***p, void ***e) ++ * it returns the the GOT in d0. ++ */ ++ "1: call a5, __self_reloc ; returns a0 in d0 \n\t" ++ " move.4 a0, d0 ; set GOT \n\t" ++ " move.4 a2, d0 ; save GOT \n\t" ++ ++ /* ++ * now setup to call ++ * _dl_start (Elf32_Addr dl_boot_got_pointer, (d0) ++ * struct elf32_fdpic_loadmap *dl_boot_progmap, (d1) ++ * struct elf32_fdpic_loadmap *dl_boot_ldsomap, (d2) ++ * Elf32_Dyn *dl_boot_ldso_dyn_pointer, (d3) ++ * struct funcdesc_value *dl_main_funcdesc, (d4) ++ * unsigned long args (d5) ++ * ++ * NOTE: for dl_main_funcdesc we reserved space on the stack for this ++ * structure. ++ */ ++ " move.4 d1, 0(sp) ; d1 = exec_map_addr \n\t" ++ " move.4 d2, 4(sp) ; d2 = interp_map_addr \n\t" ++ " move.4 d3, 8(sp) ; d3 = dynamic_addr \n\t" ++ " lea.1 d4, 16(sp) ; d4 = &dl_main_funcdesc \n\t" ++ " lea.1 d5, 32(sp) ; d5 = original stack ptr (args)\n\t" ++ " call a5, _dl_start \n\t" ++ ++ /* ++ * Setup to call the main entry point, starting with passing our FINI ++ * ptr() to the user in a1 (remember we saved the got in a2) ++ */ ++ " movei d15, #%got_funcdesc_lo(_dl_fini) \n\t" ++ " move.4 a1, (a2, d15) \n\t" ++ ++ /* ++ * restore the load map from the kernel. ++ */ ++ " move.4 d1, 0(sp) ; restore exec_map_addr \n\t" ++ " move.4 d2, 4(sp) ; restore interp_map_addr \n\t" ++ " move.4 d3, 8(sp) ; restore dynamic_addr \n\t" ++ ++ /* ++ * _dl_start returned the main apps entry point in dl_main_funcdesc, ++ * load that information now. ++ */ ++ " move.4 a5, 16(sp) ; a5 = dl_main_funcdesc.entry_point \n\t" ++ " move.4 a0, 20(sp) ; a0 = dl_main_funcdesc.got_value \n\t" ++ " lea.1 sp, 32(sp); restore original stack ptr (args) \n\t" ++ " calli a5, 0(a5) \n\t" ++ " bkpt -1; should never get here \n\t" ++ " .size _start, . - _start \n\t" ++); ++ ++#undef DL_START ++#define DL_START(X) \ ++static void __attribute__ ((used)) \ ++_dl_start (Elf32_Addr dl_boot_got_pointer, \ ++ struct elf32_fdpic_loadmap *dl_boot_progmap, \ ++ struct elf32_fdpic_loadmap *dl_boot_ldsomap, \ ++ Elf32_Dyn *dl_boot_ldso_dyn_pointer, \ ++ struct funcdesc_value *dl_main_funcdesc, \ ++ X) ++ ++struct elf32_fdpic_loadmap; ++ ++/* ++ * Get a pointer to the argv array. On many platforms this can be just ++ * the address if the first argument, on other platforms we need to ++ * do something a little more subtle here. ++ */ ++#define GET_ARGV(ARGVP, ARGS) ARGVP = (((unsigned long*) ARGS) + 1) ++ ++/* ++ * Here is a macro to perform a relocation. This is only used when ++ * bootstrapping the dynamic loader. RELP is the relocation that we ++ * are performing, REL is the pointer to the address we are relocating. ++ * SYMBOL is the symbol involved in the relocation, and LOAD is the ++ * load address. ++ */ ++#define PERFORM_BOOTSTRAP_RELOC(RELP,REL,SYMBOL,LOAD,SYMTAB) \ ++ switch(ELF32_R_TYPE((RELP)->r_info)){ \ ++ case R_UBICOM32_32: \ ++ *(REL) += (SYMBOL); \ ++ break; \ ++ case R_UBICOM32_FUNCDESC_VALUE: \ ++ { \ ++ struct funcdesc_value fv = { \ ++ (void*)((SYMBOL) + *(REL)), \ ++ (LOAD).got_value \ ++ }; \ ++ *(struct funcdesc_value volatile *)(REL) = fv; \ ++ break; \ ++ } \ ++ default: \ ++ _dl_exit(1); \ ++ } ++ ++/* ++ * Transfer control to the user's application, once the dynamic loader ++ * is done. We return the address of the function's entry point to ++ * _dl_boot, see boot1_arch.h. ++ */ ++#define START() do { \ ++ struct elf_resolve *exec_mod = _dl_loaded_modules; \ ++ dl_main_funcdesc->entry_point = _dl_elf_main; \ ++ while (exec_mod->libtype != elf_executable) \ ++ exec_mod = exec_mod->next; \ ++ dl_main_funcdesc->got_value = exec_mod->loadaddr.got_value; \ ++ return; \ ++} while (0) +--- /dev/null ++++ b/ldso/ldso/ubicom32/dl-syscalls.h +@@ -0,0 +1,206 @@ ++/* Copyright (C) 2003, 2004 Red Hat, Inc. ++ Contributed by Alexandre Oliva <aoliva@redhat.com> ++ ++This file is part of uClibc. ++ ++uClibc 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. ++ ++uClibc 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 ++Library General Public License for more details. ++ ++You should have received a copy of the GNU Lesser General Public ++License along with uClibc; see the file COPYING.LIB. If not, write to ++the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, ++USA. */ ++ ++/* We can't use the real errno in ldso, since it has not yet ++ * been dynamicly linked in yet. */ ++#include "sys/syscall.h" ++extern int _dl_errno; ++#undef __set_errno ++#define __set_errno(X) {(_dl_errno) = (X);} ++#include <sys/mman.h> ++ ++/* The code below is extracted from libc/sysdeps/linux/frv/_mmap.c */ ++ ++#if defined(DYNAMIC_LOADER_IN_SIMULATOR) && DYNAMIC_LOADER_IN_SIMULATOR ++#define __NR___syscall_mmap2 __NR_mmap2 ++static __inline__ _syscall6(__ptr_t, __syscall_mmap2, __ptr_t, addr, ++ size_t, len, int, prot, int, flags, int, fd, off_t, offset); ++ ++/* Make sure we don't get another definition of _dl_mmap from the ++ machine-independent code. */ ++#undef __NR_mmap ++#undef __NR_mmap2 ++ ++/* This is always 12, even on architectures where PAGE_SHIFT != 12. */ ++# ifndef MMAP2_PAGE_SHIFT ++# define MMAP2_PAGE_SHIFT 12 ++# endif ++ ++#include <bits/uClibc_page.h> /* for PAGE_SIZE */ ++static __always_inline void *_dl_memset(void*,int,size_t); ++static __always_inline ssize_t _dl_pread(int fd, void *buf, size_t count, off_t offset); ++ ++static __ptr_t ++_dl_mmap(__ptr_t addr, size_t len, int prot, int flags, int fd, __off_t offset) ++{ ++ size_t plen = (len + PAGE_SIZE - 1) & -PAGE_SIZE; ++ ++/* This is a hack to enable the dynamic loader to run within a ++ simulator that doesn't support mmap, with a number of very ugly ++ tricks. Also, it's not as useful as it sounds, since only dynamic ++ executables without DT_NEEDED dependencies can be run. AFAIK, they ++ can only be created with -pie. This trick suffices to enable the ++ dynamic loader to obtain a blank page that it maps early in the ++ bootstrap. */ ++ if ((flags & MAP_FIXED) == 0) ++ { ++ void *_dl_mmap_base = 0; ++ __ptr_t *ret = 0; ++ ++ if (! _dl_mmap_base) ++ { ++ void *stack; ++ __asm__ ("mov sp, %0" : "=r" (stack)); ++ _dl_mmap_base = (void *)(((long)stack + 2 * PAGE_SIZE) & -PAGE_SIZE); ++ retry: ++ if (((void **)_dl_mmap_base)[0] == _dl_mmap_base ++ && ((void **)_dl_mmap_base)[1023] == _dl_mmap_base ++ && (((void **)_dl_mmap_base)[177] ++ == ((void **)_dl_mmap_base)[771])) ++ { ++ while (((void**)_dl_mmap_base)[177]) ++ { ++ _dl_mmap_base = ((void**)_dl_mmap_base)[177]; ++ if (!(((void **)_dl_mmap_base)[0] == _dl_mmap_base ++ && ((void **)_dl_mmap_base)[1023] == _dl_mmap_base ++ && (((void **)_dl_mmap_base)[177] ++ == ((void**)_dl_mmap_base)[771]))) ++ ((void(*)())0)(); ++ } ++ } ++ else ++ { ++ int i; ++ for (i = 0; i < (int)PAGE_SIZE; i++) ++ if (*(char*)(_dl_mmap_base + i)) ++ break; ++ if (i != PAGE_SIZE) ++ { ++ _dl_mmap_base = (void*)((long)_dl_mmap_base + PAGE_SIZE); ++ goto retry; ++ } ++ ((void**)_dl_mmap_base)[-1] = ++ ((void**)_dl_mmap_base)[0] = ++ ((void**)_dl_mmap_base)[1023] = ++ _dl_mmap_base; ++ } ++ } ++ ++ if (_dl_mmap_base) ++ { ++ if (!(((void **)_dl_mmap_base)[0] == _dl_mmap_base ++ && ((void **)_dl_mmap_base)[1023] == _dl_mmap_base ++ && (((void **)_dl_mmap_base)[177] ++ == ((void**)_dl_mmap_base)[771]))) ++ ((void(*)())0)(); ++ ret = (__ptr_t)((char*)_dl_mmap_base + PAGE_SIZE); ++ _dl_mmap_base = ++ ((void**)_dl_mmap_base)[177] = ++ ((void**)_dl_mmap_base)[771] = ++ (char*)_dl_mmap_base + plen + PAGE_SIZE; ++ ((void**)_dl_mmap_base)[0] = ++ ((void**)_dl_mmap_base)[1023] = ++ _dl_mmap_base; ++ } ++ ++ if ((flags & MAP_ANONYMOUS) != 0) ++ { ++ _dl_memset (ret, 0, plen); ++ return ret; ++ } ++ ++ flags |= MAP_FIXED; ++ addr = ret; ++ } ++ if (offset & ((1 << MMAP2_PAGE_SHIFT) - 1)) { ++#if 0 ++ __set_errno (EINVAL); ++#endif ++ return MAP_FAILED; ++ } ++ if ((flags & MAP_FIXED) != 0) ++ { ++ if (_dl_pread(fd, addr, len, offset) != (ssize_t)len) ++ return (void*)MAP_FAILED; ++ if (plen != len) ++ _dl_memset (addr + len, 0, plen - len); ++ return addr; ++ } ++ return(__syscall_mmap2(addr, len, prot, flags, fd, (off_t) (offset >> MMAP2_PAGE_SHIFT))); ++} ++#endif ++ ++#ifdef __NR_pread64 ++#ifdef DYNAMIC_LOADER_IN_SIMULATOR ++#include <unistd.h> ++ ++#define __NR___syscall_lseek __NR_lseek ++static __always_inline unsigned long _dl_read(int fd, const void *buf, unsigned long count); ++ ++static __always_inline _syscall3(__off_t, __syscall_lseek, int, fd, __off_t, offset, ++ int, whence); ++static __always_inline ssize_t ++_dl_pread(int fd, void *buf, size_t count, off_t offset) ++{ ++ __off_t orig = __syscall_lseek (fd, 0, SEEK_CUR); ++ ssize_t ret; ++ ++ if (orig == -1) ++ return -1; ++ ++ if (__syscall_lseek (fd, offset, SEEK_SET) != offset) ++ return -1; ++ ++ ret = _dl_read (fd, buf, count); ++ ++ if (__syscall_lseek (fd, orig, SEEK_SET) != orig) ++ ((void(*)())0)(); ++ ++ return ret; ++} ++#else ++#define __NR___syscall_pread __NR_pread64 ++static __always_inline _syscall5(ssize_t, __syscall_pread, int, fd, void *, buf, ++ size_t, count, off_t, offset_hi, off_t, offset_lo); ++ ++static __always_inline ssize_t ++_dl_pread(int fd, void *buf, size_t count, off_t offset) ++{ ++ return(__syscall_pread(fd,buf,count,__LONG_LONG_PAIR (offset >> 31, offset))); ++} ++#endif ++#endif ++ ++#ifdef __NR_sram_alloc ++#define __NR__dl_sram_alloc __NR_sram_alloc ++static __always_inline _syscall2(__ptr_t, _dl_sram_alloc, ++ size_t, len, unsigned long, flags); ++#endif ++ ++#ifdef __NR_sram_free ++#define __NR__dl_sram_free __NR_sram_free ++static __always_inline _syscall1(int, _dl_sram_free, __ptr_t, addr); ++#endif ++ ++#ifdef __NR_dma_memcpy ++#define __NR__dl_dma_memcpy __NR_dma_memcpy ++static __always_inline _syscall3(__ptr_t, _dl_dma_memcpy, ++ __ptr_t, dest, __ptr_t, src, size_t, len); ++#endif +--- /dev/null ++++ b/ldso/ldso/ubicom32/dl-sysdep.h +@@ -0,0 +1,243 @@ ++ /* Copyright (C) 2003, 2004 Red Hat, Inc. ++ Contributed by Alexandre Oliva <aoliva@redhat.com> ++ Based on ../i386/dl-sysdep.h ++ ++This file is part of uClibc. ++ ++uClibc 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. ++ ++uClibc 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 ++Library General Public License for more details. ++ ++You should have received a copy of the GNU Lesser General Public ++License along with uClibc; see the file COPYING.LIB. If not, write to ++the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, ++USA. */ ++ ++/* ++ * Various assembly language/system dependent hacks that are required ++ * so that we can minimize the amount of platform specific code. ++ */ ++ ++/* ++ * Define this if the system uses RELOCA. ++ */ ++#undef ELF_USES_RELOCA ++ ++/* JMPREL relocs are inside the DT_RELA table. */ ++#define ELF_MACHINE_PLTREL_OVERLAP ++ ++#define DL_NO_COPY_RELOCS ++ ++#define HAVE_DL_INLINES_H ++ ++/* ++ * Initialization sequence for a GOT. Copy the resolver function ++ * descriptor and the pointer to the elf_resolve/link_map data ++ * structure. Initialize the got_value in the module while at that. ++ */ ++#define INIT_GOT(GOT_BASE,MODULE) \ ++{ \ ++ (MODULE)->loadaddr.got_value = (GOT_BASE); \ ++ GOT_BASE[0] = ((unsigned long *)&_dl_linux_resolve)[0]; \ ++ GOT_BASE[1] = ((unsigned long *)&_dl_linux_resolve)[1]; \ ++ GOT_BASE[2] = (unsigned long) MODULE; \ ++} ++ ++/* Here we define the magic numbers that this dynamic loader should accept */ ++#define MAGIC1 EM_UBICOM32 ++#undef MAGIC2 ++ ++/* Used for error messages */ ++#define ELF_TARGET "UBICOM32" ++ ++struct elf_resolve; ++ ++struct funcdesc_value ++{ ++ void *entry_point; ++ void *got_value; ++/*int relocation; not sure if this required, but it does exist */ ++}; ++ ++extern int _dl_linux_resolve(void) __attribute__((__visibility__("hidden"))); ++extern struct funcdesc_value volatile *__attribute__((__visibility__("hidden"))) ++ _dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry); ++ ++/* 4KiB page alignment. Should perhaps be made dynamic using ++ getpagesize(), based on AT_PAGESZ from auxvt? */ ++#define PAGE_ALIGN 0xfffff000 ++#define ADDR_ALIGN 0xfff ++#define OFFS_ALIGN 0x7ffff000 ++ ++struct funcdesc_ht; ++ ++/* ++ * This asm does a quick relcation of string S (which is stored in the text ++ * section as thats all we can use ++ */ ++#undef SEND_EARLY_STDERR ++#define SEND_EARLY_STDERR(S) \ ++do { \ ++ static const char __attribute__((section(".text"))) __s[] = (S); \ ++ const char *__p, *__scratch; \ ++ __asm__ ( \ ++ " call a3, 1f; \n\t" \ ++ "1: movei %0, #%%got_lo(1b) \n\t" \ ++ " move.4 %0, (%3, %0) \n\t" \ ++ " sub.4 %1, a3, %0; \n\t" \ ++ " add.4 %1, %1, %2; \n\t" \ ++ : "=&d" (__scratch), "=&d" (__p) \ ++ : "d" (__s), "a" (dl_boot_got_pointer) \ ++ : "a3", "a4", "d15"); \ ++ SEND_STDERR (__p); \ ++ { int __t; \ ++ for (__t = 0; __t < 0x100000; __t++) __asm__ __volatile__ (""); } \ ++} while (0) ++ ++#define DL_LOADADDR_TYPE struct elf32_fdpic_loadaddr ++ ++#define DL_RELOC_ADDR(LOADADDR, ADDR) \ ++ ((ElfW(Addr))__reloc_pointer ((void*)(ADDR), (LOADADDR).map)) ++ ++#define DL_ADDR_TO_FUNC_PTR(ADDR, LOADADDR) \ ++ ((void(*)(void)) _dl_funcdesc_for ((void*)(ADDR), (LOADADDR).got_value)) ++ ++#define _dl_stabilize_funcdesc(val) \ ++ ({ __asm__ ("" : "+m" (*(val))); (val); }) ++ ++#define DL_CALL_FUNC_AT_ADDR(ADDR, LOADADDR, SIGNATURE, ...) \ ++ ({ struct funcdesc_value fd = { (void*)(ADDR), (LOADADDR).got_value }; \ ++ void (*pf)(void) = (void*) _dl_stabilize_funcdesc (&fd); \ ++ (* SIGNATURE pf)(__VA_ARGS__); }) ++ ++#define DL_INIT_LOADADDR_BOOT(LOADADDR, BASEADDR) \ ++ (__dl_init_loadaddr_map (&(LOADADDR), dl_boot_got_pointer, \ ++ dl_boot_ldsomap ?: dl_boot_progmap)) ++ ++#define DL_INIT_LOADADDR_PROG(LOADADDR, BASEADDR) \ ++ (__dl_init_loadaddr_map (&(LOADADDR), 0, dl_boot_progmap)) ++ ++#define DL_INIT_LOADADDR_EXTRA_DECLS \ ++ int dl_init_loadaddr_load_count; ++#define DL_INIT_LOADADDR(LOADADDR, BASEADDR, PHDR, PHDRCNT) \ ++ (dl_init_loadaddr_load_count = \ ++ __dl_init_loadaddr (&(LOADADDR), (PHDR), (PHDRCNT))) ++#define DL_INIT_LOADADDR_HDR(LOADADDR, ADDR, PHDR) \ ++ (__dl_init_loadaddr_hdr ((LOADADDR), (ADDR), (PHDR), \ ++ dl_init_loadaddr_load_count)) ++#define DL_LOADADDR_UNMAP(LOADADDR, LEN) \ ++ (__dl_loadaddr_unmap ((LOADADDR), (NULL))) ++#define DL_LIB_UNMAP(LIB, LEN) \ ++ (__dl_loadaddr_unmap ((LIB)->loadaddr, (LIB)->funcdesc_ht)) ++#define DL_LOADADDR_BASE(LOADADDR) \ ++ ((LOADADDR).got_value) ++ ++/* This is called from dladdr(), such that we map a function ++ descriptor's address to the function's entry point before trying to ++ find in which library it's defined. */ ++#define DL_LOOKUP_ADDRESS(ADDRESS) (_dl_lookup_address (ADDRESS)) ++ ++#define DL_ADDR_IN_LOADADDR(ADDR, TPNT, TFROM) \ ++ (! (TFROM) && __dl_addr_in_loadaddr ((void*)(ADDR), (TPNT)->loadaddr)) ++ ++/* ++ * Compute the GOT address. On several platforms, we use assembly ++ * here. on FR-V FDPIC, there's no way to compute the GOT address, ++ * since the offset between text and data is not fixed, so we arrange ++ * for the assembly _dl_boot to pass this value as an argument to ++ * _dl_boot. */ ++#define DL_BOOT_COMPUTE_GOT(got) ((got) = dl_boot_got_pointer) ++ ++#define DL_BOOT_COMPUTE_DYN(dpnt, got, load_addr) \ ++ ((dpnt) = dl_boot_ldso_dyn_pointer) ++ ++/* We only support loading FDPIC independently-relocatable shared ++ libraries. It probably wouldn't be too hard to support loading ++ shared libraries that require relocation by the same amount, but we ++ don't know that they exist or would be useful, and the dynamic ++ loader code could leak the whole-library map unless we keeping a ++ bit more state for DL_LOADADDR_UNMAP and DL_LIB_UNMAP, so let's ++ keep things simple for now. */ ++#define DL_CHECK_LIB_TYPE(epnt, piclib, _dl_progname, libname) \ ++do \ ++{ \ ++ if (((epnt)->e_flags & EF_UBICOM32_FDPIC) && ! ((epnt)->e_flags & EF_UBICOM32_PIC)) \ ++ (piclib) = 2; \ ++ else \ ++ { \ ++ _dl_internal_error_number = LD_ERROR_NOTDYN; \ ++ _dl_dprintf(2, "%s: '%s' is not an FDPIC shared library" \ ++ "\n", (_dl_progname), (libname)); \ ++ _dl_close(infile); \ ++ return NULL; \ ++ } \ ++\ ++} \ ++while (0) ++ ++/* We want want to apply all relocations in the interpreter during ++ bootstrap. Because of this, we have to skip the interpreter ++ relocations in _dl_parse_relocation_information(), see ++ elfinterp.c. */ ++#define DL_SKIP_BOOTSTRAP_RELOC(SYMTAB, INDEX, STRTAB) 0 ++ ++#ifdef __NR_pread64 ++#define _DL_PREAD(FD, BUF, SIZE, OFFSET) \ ++ (_dl_pread((FD), (BUF), (SIZE), (OFFSET))) ++#endif ++ ++/* We want to return to dlsym() a function descriptor if the symbol ++ turns out to be a function. */ ++#define DL_FIND_HASH_VALUE(TPNT, TYPE_CLASS, SYM) \ ++ (((TYPE_CLASS) & ELF_RTYPE_CLASS_DLSYM) \ ++ && ELF32_ST_TYPE((SYM)->st_info) == STT_FUNC \ ++ ? _dl_funcdesc_for ((void *)DL_RELOC_ADDR ((TPNT)->loadaddr, (SYM)->st_value), \ ++ (TPNT)->loadaddr.got_value) \ ++ : DL_RELOC_ADDR ((TPNT)->loadaddr, (SYM)->st_value)) ++ ++#if 0 /* XXX TODO will look at enabling this if we decide to add support for OCM ++ * code/data */ ++ ++#define DL_IS_SPECIAL_SEGMENT(EPNT, PPNT) \ ++ __dl_is_special_segment(EPNT, PPNT) ++#define DL_MAP_SEGMENT(EPNT, PPNT, INFILE, FLAGS) \ ++ __dl_map_segment (EPNT, PPNT, INFILE, FLAGS) ++ ++#endif ++ ++ ++#define DL_GET_READY_TO_RUN_EXTRA_PARMS \ ++ , struct elf32_fdpic_loadmap *dl_boot_progmap, Elf32_Addr dl_boot_got_pointer ++#define DL_GET_READY_TO_RUN_EXTRA_ARGS \ ++ , dl_boot_progmap, dl_boot_got_pointer ++ ++ ++#ifdef __USE_GNU ++# include <link.h> ++#else ++# define __USE_GNU ++# include <link.h> ++# undef __USE_GNU ++#endif ++ ++#include <elf.h> ++static __inline__ void ++elf_machine_relative (DL_LOADADDR_TYPE load_off, const Elf32_Addr rel_addr, ++ Elf32_Word relative_count) ++{ ++#if 0 ++ Elf32_Rel * rpnt = (void *) rel_addr; ++ --rpnt; ++ do { ++ Elf32_Addr *const reloc_addr = (void *) (load_off + (++rpnt)->r_offset); ++ ++ *reloc_addr = DL_RELOC_ADDR (load_off, *reloc_addr); ++ } while (--relative_count); ++#endif ++} +--- /dev/null ++++ b/ldso/ldso/ubicom32/elfinterp.c +@@ -0,0 +1,366 @@ ++/* Blackfin ELF shared library loader suppport ++ Copyright (C) 2003, 2004 Red Hat, Inc. ++ Contributed by Alexandre Oliva <aoliva@redhat.com> ++ Lots of code copied from ../i386/elfinterp.c, so: ++ Copyright (c) 1994-2000 Eric Youngdale, Peter MacDonald, ++ David Engel, Hongjiu Lu and Mitch D'Souza ++ Copyright (C) 2001-2002, Erik Andersen ++ All rights reserved. ++ ++This file is part of uClibc. ++ ++uClibc 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. ++ ++uClibc 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 ++Library General Public License for more details. ++ ++You should have received a copy of the GNU Lesser General Public ++License along with uClibc; see the file COPYING.LIB. If not, write to ++the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, ++USA. */ ++ ++#include <sys/cdefs.h> /* __attribute_used__ */ ++ ++/* Program to load an ELF binary on a linux system, and run it. ++ References to symbols in sharable libraries can be resolved by either ++ an ELF sharable library or a linux style of shared library. */ ++ ++/* Disclaimer: I have never seen any AT&T source code for SVr4, nor have ++ I ever taken any courses on internals. This program was developed using ++ information available through the book "UNIX SYSTEM V RELEASE 4, ++ Programmers guide: Ansi C and Programming Support Tools", which did ++ a more than adequate job of explaining everything required to get this ++ working. */ ++extern int _dl_ubicom32_resolve_pending(void) __attribute__((__visibility__("hidden"))); ++ ++struct funcdesc_value volatile *__attribute__((__visibility__("hidden"))) ++_dl_linux_resolver (struct elf_resolve *tpnt, int reloc_entry) ++{ ++ int reloc_type; ++ ELF_RELOC *this_reloc; ++ char *strtab; ++ ElfW(Sym) *symtab; ++ int symtab_index; ++ char *rel_addr; ++ struct elf_resolve *new_tpnt; ++ char *new_addr; ++ struct funcdesc_value funcval; ++ struct funcdesc_value volatile *got_entry; ++ char *symname; ++ ++ rel_addr = (char *)tpnt->dynamic_info[DT_JMPREL]; ++ ++ this_reloc = (ELF_RELOC *)(intptr_t)(rel_addr + reloc_entry); ++ reloc_type = ELF_R_TYPE(this_reloc->r_info); ++ symtab_index = ELF_R_SYM(this_reloc->r_info); ++ ++ symtab = (Elf32_Sym *) tpnt->dynamic_info[DT_SYMTAB]; ++ strtab = (char *) tpnt->dynamic_info[DT_STRTAB]; ++ symname= strtab + symtab[symtab_index].st_name; ++ ++ if (reloc_type != R_UBICOM32_FUNCDESC_VALUE) { ++ _dl_dprintf(2, "%s: Incorrect relocation type in jump relocations\n", ++ _dl_progname); ++ _dl_exit(1); ++ } ++ ++ /* Address of GOT entry fix up */ ++ got_entry = (struct funcdesc_value *) DL_RELOC_ADDR(tpnt->loadaddr, this_reloc->r_offset); ++ ++ /* Get the address to be used to fill in the GOT entry. */ ++ new_addr = _dl_lookup_hash(symname, tpnt->symbol_scope, NULL, 0, &new_tpnt); ++ if (!new_addr) { ++ new_addr = _dl_lookup_hash(symname, NULL, NULL, 0, &new_tpnt); ++ if (!new_addr) { ++ _dl_dprintf(2, "%s: can't resolve symbol '%s'\n", ++ _dl_progname, symname); ++ _dl_exit(1); ++ } ++ } ++ ++ funcval.entry_point = new_addr; ++ funcval.got_value = new_tpnt->loadaddr.got_value; ++ ++#if defined (__SUPPORT_LD_DEBUG__) ++ if (_dl_debug_bindings) { ++ _dl_dprintf(_dl_debug_file, "\nresolve function: %s", symname); ++ if (_dl_debug_detail) ++ _dl_dprintf(_dl_debug_file, ++ "\n\tpatched (%x,%x) ==> (%x,%x) @ %x\n", ++ got_entry->entry_point, got_entry->got_value, ++ funcval.entry_point, funcval.got_value, ++ got_entry); ++ } ++ if (1 || !_dl_debug_nofixups) { ++ got_entry->entry_point = ((unsigned long *)&_dl_ubicom32_resolve_pending)[0]; ++ got_entry->got_value = funcval.got_value; ++ got_entry->entry_point = funcval.entry_point; ++ } ++#else ++ /* ++ * initially set the entry point to resolve pending before starting ++ * the update. This has the effect of putting all other requests in a ++ * holding pattern until the resolution is completed. ++ */ ++ got_entry->entry_point = ((unsigned long *)&_dl_ubicom32_resolve_pending)[0]; ++ got_entry->got_value = funcval.got_value; ++ got_entry->entry_point = funcval.entry_point; ++#endif ++ ++ return got_entry; ++} ++ ++static int ++_dl_parse(struct elf_resolve *tpnt, struct dyn_elf *scope, ++ unsigned long rel_addr, unsigned long rel_size, ++ int (*reloc_fnc) (struct elf_resolve *tpnt, struct dyn_elf *scope, ++ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab)) ++{ ++ unsigned int i; ++ char *strtab; ++ ElfW(Sym) *symtab; ++ ELF_RELOC *rpnt; ++ int symtab_index; ++ ++ /* Now parse the relocation information */ ++ rpnt = (ELF_RELOC *) rel_addr; ++ rel_size = rel_size / sizeof(ELF_RELOC); ++ ++ symtab = (ElfW(Sym) *) tpnt->dynamic_info[DT_SYMTAB]; ++ strtab = (char *) tpnt->dynamic_info[DT_STRTAB]; ++ ++ for (i = 0; i < rel_size; i++, rpnt++) { ++ int res; ++ ++ symtab_index = ELF_R_SYM(rpnt->r_info); ++ debug_sym(symtab,strtab,symtab_index); ++ debug_reloc(symtab,strtab,rpnt); ++ ++ res = reloc_fnc (tpnt, scope, rpnt, symtab, strtab); ++ ++ if (res==0) continue; ++ ++ _dl_dprintf(2, "\n%s: ",_dl_progname); ++ ++ if (symtab_index) ++ _dl_dprintf(2, "symbol '%s': ", strtab + symtab[symtab_index].st_name); ++ ++ if (res <0) { ++ int reloc_type = ELF_R_TYPE(rpnt->r_info); ++#if defined (__SUPPORT_LD_DEBUG__) ++ _dl_dprintf(2, "can't handle reloc type %s\n ", _dl_reltypes(reloc_type)); ++#else ++ _dl_dprintf(2, "can't handle reloc type %x\n", reloc_type); ++#endif ++ _dl_exit(-res); ++ } else if (res >0) { ++ _dl_dprintf(2, "can't resolve symbol\n"); ++ return res; ++ } ++ } ++ return 0; ++} ++ ++static int ++_dl_do_reloc (struct elf_resolve *tpnt,struct dyn_elf *scope, ++ ELF_RELOC *rpnt, ElfW(Sym) *symtab, char *strtab) ++{ ++ int reloc_type; ++ int symtab_index; ++ char *symname; ++ unsigned long reloc_value = 0, *reloc_addr; ++ struct { unsigned long v; } __attribute__((__packed__)) ++ *reloc_addr_packed; ++ unsigned long symbol_addr; ++ struct elf_resolve *symbol_tpnt; ++ struct funcdesc_value funcval; ++#if defined (__SUPPORT_LD_DEBUG__) ++ unsigned long old_val; ++#endif ++ ++ reloc_addr = (unsigned long *) DL_RELOC_ADDR(tpnt->loadaddr, rpnt->r_offset); ++ __asm__ ("" : "=r" (reloc_addr_packed) : "0" (reloc_addr)); ++ reloc_type = ELF_R_TYPE(rpnt->r_info); ++ symtab_index = ELF_R_SYM(rpnt->r_info); ++ symbol_addr = 0; ++ symname = strtab + symtab[symtab_index].st_name; ++ ++ if (ELF_ST_BIND (symtab[symtab_index].st_info) == STB_LOCAL) { ++ symbol_addr = (unsigned long) DL_RELOC_ADDR(tpnt->loadaddr, symtab[symtab_index].st_value); ++ symbol_tpnt = tpnt; ++ } else { ++ ++ symbol_addr = (unsigned long) ++ _dl_lookup_hash(symname, scope, NULL, 0, &symbol_tpnt); ++ ++ /* ++ * We want to allow undefined references to weak symbols - this might ++ * have been intentional. We should not be linking local symbols ++ * here, so all bases should be covered. ++ */ ++ ++ if (!symbol_addr && ELF_ST_BIND(symtab[symtab_index].st_info) != STB_WEAK) { ++ _dl_dprintf (2, "%s: can't resolve symbol '%s'\n", ++ _dl_progname, strtab + symtab[symtab_index].st_name); ++ _dl_exit (1); ++ } ++ } ++ ++#if defined (__SUPPORT_LD_DEBUG__) ++ if (_dl_debug_reloc && _dl_debug_detail) ++ { ++ if ((long)reloc_addr_packed & 3) ++ old_val = reloc_addr_packed->v; ++ else ++ old_val = *reloc_addr; ++ } ++ else ++ old_val = 0; ++#endif ++ switch (reloc_type) { ++ case R_UBICOM32_NONE: ++ break; ++ case R_UBICOM32_32: ++ if ((long)reloc_addr_packed & 3) ++ reloc_value = reloc_addr_packed->v += symbol_addr; ++ else ++ reloc_value = *reloc_addr += symbol_addr; ++ break; ++ case R_UBICOM32_FUNCDESC_VALUE: ++ funcval.entry_point = (void*)symbol_addr; ++ /* The addend of FUNCDESC_VALUE ++ relocations referencing global ++ symbols must be ignored, because it ++ may hold the address of a lazy PLT ++ entry. */ ++ if (ELF_ST_BIND(symtab[symtab_index].st_info) == STB_LOCAL) ++ funcval.entry_point += *reloc_addr; ++ reloc_value = (unsigned long)funcval.entry_point; ++ if (symbol_addr) ++ funcval.got_value ++ = symbol_tpnt->loadaddr.got_value; ++ else ++ funcval.got_value = 0; ++ ++/// XXX this is my best guess as to what I should be doing, but I'm ++/// putting a break-point here so I can inspect the first time this is ++/// used. ++ __asm__ ( ++ " move.4 4(%0), 4(%1) \n\t" ++ " move.4 0(%0), 0(%1) \n\t" /* Must to entry_point last */ ++ : ++ : "a" (reloc_addr), "a" (&funcval) ++ : "memory" ); ++ break; ++ case R_UBICOM32_FUNCDESC: ++ if ((long)reloc_addr_packed & 3) ++ reloc_value = reloc_addr_packed->v; ++ else ++ reloc_value = *reloc_addr; ++ if (symbol_addr) ++ reloc_value = (unsigned long)_dl_funcdesc_for ++ ((char *)symbol_addr + reloc_value, ++ symbol_tpnt->loadaddr.got_value); ++ else ++ reloc_value = 0; ++ if ((long)reloc_addr_packed & 3) ++ reloc_addr_packed->v = reloc_value; ++ else ++ *reloc_addr = reloc_value; ++ break; ++ default: ++ return -1; ++ } ++#if defined (__SUPPORT_LD_DEBUG__) ++ if (_dl_debug_reloc && _dl_debug_detail) { ++ _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x", old_val, reloc_value, reloc_addr); ++ switch (reloc_type) { ++ case R_UBICOM32_FUNCDESC_VALUE: ++ _dl_dprintf(_dl_debug_file, " got %x", ((struct funcdesc_value *)reloc_value)->got_value); ++ break; ++ case R_UBICOM32_FUNCDESC: ++ if (! reloc_value) ++ break; ++ _dl_dprintf(_dl_debug_file, " funcdesc (%x,%x)", ++ ((struct funcdesc_value *)reloc_value)->entry_point, ++ ((struct funcdesc_value *)reloc_value)->got_value); ++ break; ++ } ++ } ++#endif ++ ++ return 0; ++} ++ ++static int ++_dl_do_lazy_reloc (struct elf_resolve *tpnt, ++ struct dyn_elf *scope __attribute__((unused)), ++ ELF_RELOC *rpnt, ElfW(Sym) *symtab __attribute__((unused)), ++ char *strtab __attribute__((unused))) ++{ ++ int reloc_type; ++ struct funcdesc_value volatile *reloc_addr; ++ struct funcdesc_value funcval; ++#if defined (__SUPPORT_LD_DEBUG__) ++ unsigned long old_val; ++#endif ++ ++ reloc_addr = (struct funcdesc_value *) DL_RELOC_ADDR(tpnt->loadaddr, rpnt->r_offset); ++ reloc_type = ELF_R_TYPE(rpnt->r_info); ++ ++#if defined (__SUPPORT_LD_DEBUG__) ++ old_val = (unsigned long)reloc_addr->entry_point; ++#endif ++ switch (reloc_type) { ++ case R_UBICOM32_NONE: ++ break; ++ case R_UBICOM32_FUNCDESC_VALUE: ++ funcval = *reloc_addr; ++ funcval.entry_point = (void*)DL_RELOC_ADDR(tpnt->loadaddr, funcval.entry_point); ++ funcval.got_value = tpnt->loadaddr.got_value; ++ *reloc_addr = funcval; ++ break; ++ default: ++ return -1; ++ } ++#if defined (__SUPPORT_LD_DEBUG__) ++ if (_dl_debug_reloc && _dl_debug_detail) ++ _dl_dprintf(_dl_debug_file, "\tpatched: %x ==> %x @ %x", old_val, reloc_addr->entry_point, reloc_addr); ++#endif ++ return 0; ++ ++} ++ ++void ++_dl_parse_lazy_relocation_information ++(struct dyn_elf *rpnt, unsigned long rel_addr, unsigned long rel_size) ++{ ++ _dl_parse(rpnt->dyn, NULL, rel_addr, rel_size, _dl_do_lazy_reloc); ++} ++ ++int ++_dl_parse_relocation_information ++(struct dyn_elf *rpnt, unsigned long rel_addr, unsigned long rel_size) ++{ ++ return _dl_parse(rpnt->dyn, rpnt->dyn->symbol_scope, rel_addr, rel_size, _dl_do_reloc); ++} ++ ++#if 0 ++/* We don't have copy relocs. */ ++int ++_dl_parse_copy_information ++(struct dyn_elf *rpnt __attribute__((unused)), ++ unsigned long rel_addr __attribute__((unused)), ++ unsigned long rel_size __attribute__((unused))) ++{ ++ return 0; ++} ++#endif ++#ifndef IS_IN_libdl ++# include "../../libc/sysdeps/linux/ubicom32/crtreloc.c" ++#endif +--- /dev/null ++++ b/ldso/ldso/ubicom32/resolve.S +@@ -0,0 +1,161 @@ ++ /* Copyright (C) 2003 Red Hat, Inc. ++ Contributed by Alexandre Oliva <aoliva@redhat.com> ++ ++ Copyright (C) 2009 Ubicom Inc. ++ Ported to Ubicom32 by Ubicom Inc. ++ ++This file is part of uClibc. ++ ++uClibc 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. ++ ++uClibc 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 ++Library General Public License for more details. ++ ++You should have received a copy of the GNU Lesser General Public ++License along with uClibc; see the file COPYING.LIB. If not, write to ++the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, ++USA. */ ++ ++ ++/* ++ * The function below is tail-called by resolver stubs when a lazily-bound * ++ * function is called. It must preserve all registers that could * be used to ++ * pass arguments to the actual function. ++ * ++ * On entry to the function d0-d13 contain parameters to the actual function of ++ * interest ++ * ++ * a5 contains the return address ++ * a0 is pointing to the GOT table for the original function ++ * (a0) _dl_linux_resolve ++ * 4(a0) GOT for _dl_linux_resolve ++ * 8(a0) is pointer to "structure elf_resolve" of the module where the call ++ * originated from ++ * ++ * a3 is pointing to the function descriptor in the GOT table, and 8(a3) the ++ * resolver lookup information. ++ * ++ * _dl_linux_resolve calls _dl_linux_resolver passing it pointer to ++ * struct elf_resolve and the relocation entry. ++ * ++ * _dl_linux_resolver() figures out where the jump symbol is _really_ supposed ++ * to have jumped to and returns that to us. Once we have that, we prepare to ++ * tail-call the actual function, clean up after ourselves, restoring the ++ * original arguments, then jump to the fixed up address. ++ */ ++ ++#if 0 ++ /* ++ * Here is what the linker will use for the PLT. ++ */ ++sample_PLT_functionX: /* (at entry a0 contains GOT for this library) */ ++ movei d15, # -%lo(got_funcdescX) ; load offset for GOT ++ lea.4 a3, (a0, d15) ; a4 is now the function descriptor ++ move.4 a4, 0(a3) ; get entry_point ++ move.4 a0, 4(a3) ; set new GOT ++ ++ /* ++ * jump to resovled function OR PLT_trampoline Nat had some code here ++ * that uses the stack instead of a3 to reduces hazards. ++ */ ++ calli a4, 0(a4) ++ ++ ++sample_PLT_trampoline: ++ /* ++ * find the old got by undoing what was done above. An alternative ++ * could have been to ‘save’ the old got in say d14 but that would add 1 ++ * instruction to every PLT and there is only 1 PLT trampoline per library. ++ */ ++ ret (a0) ; jump to _dl_linux_resolve ++#endif ++ ++ .text ++ .p2align 4 ++ ++ .hidden _dl_linux_resolve ++ .global _dl_linux_resolve ++ .type _dl_linux_resolve,@function ++_dl_linux_resolve: ++ /* Preserve arguments and return address */ ++ move.4 -4(sp)++, d0 ++ move.4 -4(sp)++, d1 ++ move.4 -4(sp)++, d2 ++ move.4 -4(sp)++, d3 ++ move.4 -4(sp)++, d4 ++ move.4 -4(sp)++, d5 ++ move.4 -4(sp)++, d6 ++ move.4 -4(sp)++, d7 ++ move.4 -4(sp)++, d8 ++ move.4 -4(sp)++, d9 ++ move.4 -4(sp)++, d10 ++ move.4 -4(sp)++, d11 ++ move.4 -4(sp)++, d12 ++ move.4 -4(sp)++, d13 ++ move.4 -4(sp)++, a5 ++ ++ /* Prepare to call _dl_linux_resolver. */ ++ move.4 d0, 8(a0) ; reference to elf_resolve ++ /* Not aligned for space reasons. */ ++ move.4 d1, mac_hi ; reference to GOT table entry which ++ ; contains the relocation information. ++ ++ move.4 a0, 4(a0) ; switch to GOT for _dl_linux_resolve ++ call a5, _dl_linux_resolver; ++ ++ /* Move aside return value that contains the FUNCDESC_VALUE. */ ++ ;P3 = R0; ++ move.4 a3, d0; ++ ++ /* Restore arguments. */ ++ move.4 a5, (sp)4++ ++ move.4 d13, (sp)4++ ++ move.4 d12, (sp)4++ ++ move.4 d11, (sp)4++ ++ move.4 d10, (sp)4++ ++ move.4 d9, (sp)4++ ++ move.4 d8, (sp)4++ ++ move.4 d7, (sp)4++ ++ move.4 d6, (sp)4++ ++ move.4 d5, (sp)4++ ++ move.4 d4, (sp)4++ ++ move.4 d3, (sp)4++ ++ move.4 d2, (sp)4++ ++ move.4 d1, (sp)4++ ++ move.4 d0, (sp)4++ ++ ++ /* Now jump to the actual function. */ ++ /* a3 contains func_desc resolution */ ++ move.4 a4, 0(a3) ; address of function X ++ move.4 a0, 4(a3) ; switch to GOT for function X ++ calli a4, 0(a4) ; call through a4, a5 remains ++ ++ .size _dl_linux_resolve, . - _dl_linux_resolve ++ ++ .hidden _dl_ubicom32_resolve_pending ++ .global _dl_ubicom32_resolve_pending ++ .type _dl_ubicom32_resolve_pending,@function ++ ++_dl_ubicom32_resolve_pending: ++ /* ++ * A special function that is used to ensure thread saftly when the fd ++ * for a particular resolution is being updated. ++ * ++ * At entry, a3 must point to the FD. While the FD is being updated the ++ * entry_point will continue to point to _dl_ubicom32_resolve_pending so ++ * we will effectively spin until the resolver update is complete. ++ */ ++ ++ move.4 a4, 0(a3) ; get entry_point ++ move.4 a0, 4(a3) ; set new GOT ++ ++ /* ++ * jump to resovled function or back to _dl_ubicom32_resolve_pending. ++ */ ++ calli a4, 0(a4) ++ .size _dl_ubicom32_resolve_pending, . - _dl_ubicom32_resolve_pending +--- a/libc/misc/Makefile.in ++++ b/libc/misc/Makefile.in +@@ -12,7 +12,9 @@ include $(top_srcdir)libc/misc/assert/Ma + include $(top_srcdir)libc/misc/ctype/Makefile.in + include $(top_srcdir)libc/misc/dirent/Makefile.in + include $(top_srcdir)libc/misc/error/Makefile.in ++ifneq ($(ARCH_HAS_NO_LDSO),y) + include $(top_srcdir)libc/misc/elf/Makefile.in ++endif + include $(top_srcdir)libc/misc/file/Makefile.in + include $(top_srcdir)libc/misc/fnmatch/Makefile.in + include $(top_srcdir)libc/misc/ftw/Makefile.in +--- a/libc/misc/elf/dl-iterate-phdr.c ++++ b/libc/misc/elf/dl-iterate-phdr.c +@@ -14,7 +14,7 @@ + + #include <link.h> + #include <ldso.h> +- ++#include <memory.h> + /* we want this in libc but nowhere else */ + #ifdef __USE_GNU + +--- a/libc/stdlib/malloc/malloc.c ++++ b/libc/stdlib/malloc/malloc.c +@@ -23,7 +23,7 @@ + + /* The malloc heap. We provide a bit of initial static space so that + programs can do a little mallocing without mmaping in more space. */ +-HEAP_DECLARE_STATIC_FREE_AREA (initial_fa, 256); ++HEAP_DECLARE_STATIC_FREE_AREA (initial_fa, 32768); + struct heap_free_area *__malloc_heap = HEAP_INIT_WITH_FA (initial_fa); + #ifdef HEAP_USE_LOCKING + malloc_mutex_t __malloc_heap_lock = PTHREAD_MUTEX_INITIALIZER; +--- /dev/null ++++ b/libc/string/ubicom32/Makefile +@@ -0,0 +1,13 @@ ++# Makefile for uClibc ++# ++# Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> ++# ++# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++# ++ ++top_srcdir:=../../../ ++top_builddir:=../../../ ++all: objs ++include $(top_builddir)Rules.mak ++include ../Makefile.in ++include $(top_srcdir)Makerules +--- /dev/null ++++ b/libc/string/ubicom32/memcpy.c +@@ -0,0 +1,152 @@ ++/* Copy memory to memory until the specified number of bytes ++ has been copied. Overlap is NOT handled correctly. ++ Copyright (C) 1991, 1997, 2003 Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Torbjorn Granlund (tege@sics.se). ++ ++ 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#include <string.h> ++ ++typedef unsigned long addr_t; ++ ++libc_hidden_proto(memcpy) ++ ++void *memcpy (void *dest, const void *src, size_t n) ++{ ++ void *dest_ret = dest; ++ void *aligned_start; ++ ++ if (likely((((addr_t)dest ^ (addr_t)src) & 3) == 0) && likely(n > 6)) { ++ size_t m; ++ n -= (4 - (addr_t)dest) & 0x03; ++ m = n >> 2; ++ __asm__ volatile ( ++ " call %4, 99f \n\t" // load %4 with address of 99 ++ "99: movei d15, #%%lo(1f-99b) \n\t" // load d15 with offset to 1 from 99 ++ " add.4 %4, %4, d15 \n\t" // add difference ++ ++ " sub.4 d15, #0, %2 \n\t" // set up for jump table ++ " and.4 d15, #(32-1), d15 \n\t" // d15 = (-m) & (32 - 1) ++ " lea.4 %4, (%4,d15) \n\t" ++ ++ " bfextu d15, %0, #2 \n\t" // d15 = (dest & 3) ++ " jmpne.w.f 100f \n\t" ++ " calli %4, 0(%4) \n\t" // 4-byte alignment ++ ++ "100: cmpi d15, #2 \n\t" ++ " jmpne.s.f 101f \n\t" ++ " move.2 (%0)2++, (%1)2++ \n\t" ++ " calli %4, 0(%4) \n\t" // 2-byte alignment ++ ++ "101: move.1 (%0)1++, (%1)1++ \n\t" ++ " jmpgt.s.f 102f \n\t" // 3-byte alignment ++ " move.2 (%0)2++, (%1)2++ \n\t" // 1-byte alignment ++ "102: calli %4, 0(%4) \n\t" ++ ++ "200: cmpi %3, #2 \n\t" ++ " jmplt.s.f 201f \n\t" ++ " move.2 (%0)2++, (%1)2++ \n\t" ++ " jmpeq.s.t 2f \n\t" ++ "201: move.1 (%0)1++, (%1)1++ \n\t" ++ " jmpt.w.t 2f \n\t" ++ ++ "1: .rept 25 \n\t" ++ " movea (%0)4++, (%1)4++ \n\t" ++ " .endr \n\t" ++ " .rept 7 \n\t" ++ " move.4 (%0)4++, (%1)4++ \n\t" ++ " .endr \n\t" ++ " add.4 %2, #-32, %2 \n\t" ++ " jmpgt.w.f 1b \n\t" ++ ++ " and.4 %3, #3, %3 \n\t" // check n ++ " jmpne.w.f 200b \n\t" ++ "2: \n\t" ++ : "+a"(dest), "+a"(src), "+d"(m), "+d"(n), "=a"(aligned_start) ++ : ++ : "d15", "memory", "cc" ++ ); ++ ++ return dest_ret; ++ } ++ ++ if (likely((((addr_t)dest ^ (addr_t)src) & 1) == 0) && likely(n > 2)) { ++ size_t m; ++ n -= (addr_t)dest & 0x01; ++ m = n >> 1; ++ __asm__ volatile ( ++ " call %4, 99f \n\t" // load %4 with address of 99 ++ "99: movei d15, #%%lo(1f-99b) \n\t" // load d15 with offset to 1 from 99 ++ " add.4 %4, %4, d15 \n\t" // add difference ++ ++ " sub.4 d15, #0, %2 \n\t" // set up for jump table ++ " and.4 d15, #(32-1), d15 \n\t" // d15 = (-m) & (32 - 1) ++ " lea.4 %4, (%4,d15) \n\t" ++ ++ " btst %0, #0 \n\t" // check bit 0 ++ " jmpne.w.f 100f \n\t" ++ " calli %4, 0(%4) \n\t" // 4-byte alignment ++ ++ "100: move.1 (%0)1++, (%1)1++ \n\t" ++ " calli %4, 0(%4) \n\t" ++ ++ "200: move.1 (%0)1++, (%1)1++ \n\t" ++ " jmpt.w.t 2f \n\t" ++ ++ "1: .rept 32 \n\t" ++ " move.2 (%0)2++, (%1)2++ \n\t" ++ " .endr \n\t" ++ " add.4 %2, #-32, %2 \n\t" ++ " jmpgt.w.f 1b \n\t" ++ ++ " and.4 %3, #1, %3 \n\t" // check n ++ " jmpne.w.f 200b \n\t" ++ "2: \n\t" ++ ++ : "+a"(dest), "+a"(src), "+d"(m), "+d"(n), "=a"(aligned_start) ++ : ++ : "d15", "memory", "cc" ++ ); ++ return dest_ret; ++ } ++ ++ __asm__ volatile ( ++ " call %3, 99f \n\t" // load %3 with address of 99 ++ "99: movei d15, #%%lo(1f-99b) \n\t" // load d15 with offset to 1 from 99 ++ " add.4 %3, %3, d15 \n\t" // add difference ++ ++ " sub.4 d15, #0, %2 \n\t" ++ " jmpeq.w.f 2f \n\t" ++ " and.4 d15, #(16-1), d15 \n\t" // d15 = (-n) & (16 - 1) ++ " lea.4 %3, (%3,d15) \n\t" ++ " calli %3, 0(%3) \n\t" ++ ++ "1: .rept 16 \n\t" ++ " move.1 (%0)1++, (%1)1++ \n\t" ++ " .endr \n\t" ++ " add.4 %2, #-16, %2 \n\t" ++ " jmpgt.w.f 1b \n\t" ++ "2: \n\t" ++ ++ : "+a"(dest), "+a"(src), "+d"(n), "=a"(aligned_start) ++ : ++ : "d15", "memory", "cc" ++ ); ++ ++ return dest_ret; ++} ++libc_hidden_def(memcpy) +--- /dev/null ++++ b/libc/string/ubicom32/memset.c +@@ -0,0 +1,107 @@ ++/* Copyright (C) 1991, 1997, 2003 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#include <string.h> ++ ++typedef unsigned long addr_t; ++ ++libc_hidden_proto(memset) ++void *memset (void *s, int c, size_t n) ++{ ++ void *s_ret = s; ++ void *aligned_start; ++ if (likely(n > 6)) { ++ size_t m; ++ n -= (4 - (addr_t)s) & 0x03; ++ m = n >> 2; ++ __asm__ volatile ( ++ " call %4, 99f \n\t" // load %4 with address of 99 ++ "99: movei d15, #%%lo(1f-99b) \n\t" // load d15 with offset to 1 from 99 ++ " add.4 %4, %4, d15 \n\t" // add difference ++ ++ " sub.4 d15, #0, %2 \n\t" // set up for jump table ++ " and.4 d15, #(32-1), d15 \n\t" // d15 = (-m) & (32 - 1) ++ " shmrg.1 %1, %1, %1 \n\t" ++ " shmrg.2 %1, %1, %1 \n\t" // %1 = (c<<24)|(c<<16)|(c<<8)|c ++ " lea.4 %4, (%4,d15) \n\t" ++ ++ " bfextu d15, %0, #2 \n\t" // d15 = (s & 3) ++ " jmpne.w.f 100f \n\t" ++ " calli %4, 0(%4) \n\t" // 4-byte alignment ++ ++ "100: cmpi d15, #2 \n\t" ++ " jmpne.s.f 101f \n\t" ++ " move.2 (%0)2++, %1 \n\t" ++ " calli %4, 0(%4) \n\t" // 2-byte alignment ++ ++ "101: move.1 (%0)1++, %1 \n\t" ++ " jmpgt.s.f 102f \n\t" // 3-byte alignment ++ " move.2 (%0)2++, %1 \n\t" // 1-byte alignment ++ "102: calli %4, 0(%4) \n\t" ++ ++ "200: cmpi %3, #2 \n\t" ++ " jmplt.s.f 201f \n\t" ++ " move.2 (%0)2++, %1 \n\t" ++ " jmpeq.s.t 2f \n\t" ++ "201: move.1 (%0)1++, %1 \n\t" ++ " jmpt.w.t 2f \n\t" ++ ++ "1: .rept 25 \n\t" ++ " movea (%0)4++, %1 \n\t" ++ " .endr \n\t" ++ " .rept 7 \n\t" ++ " move.4 (%0)4++, %1 \n\t" ++ " .endr \n\t" ++ " add.4 %2, #-32, %2 \n\t" ++ " jmpgt.w.f 1b \n\t" ++ ++ " and.4 %3, #3, %3 \n\t" // test bit 1 of n ++ " jmpne.w.f 200b \n\t" ++ "2: \n\t" ++ : "+a"(s), "+d"(c), "+d"(m), "+d"(n), "=a"(aligned_start) ++ : ++ : "d15", "memory", "cc" ++ ); ++ ++ return s_ret; ++ } ++ ++ __asm__ volatile ( ++ " call %3, 99f \n\t" // load %3 with address of 99 ++ "99: movei d15, #%%lo(1f-99b) \n\t" // load d15 with offset to 1 from 99 ++ " add.4 %3, %3, d15 \n\t" // add difference ++ ++ " sub.4 d15, #0, %2 \n\t" ++ " jmpeq.w.f 2f \n\t" ++ " and.4 d15, #(8-1), d15 \n\t" // d15 = (-%2) & (16 - 1) ++ " lea.4 %3, (%3,d15) \n\t" ++ " calli %3, 0(%3) \n\t" ++ ++ "1: .rept 8 \n\t" ++ " move.1 (%0)1++, %1 \n\t" ++ " .endr \n\t" ++ "2: \n\t" ++ ++ : "+a"(s), "+d"(c), "+d"(n), "=a"(aligned_start) ++ : ++ : "d15", "memory", "cc" ++ ); ++ ++ return s_ret; ++} ++libc_hidden_def(memset) +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/Makefile +@@ -0,0 +1,13 @@ ++# Makefile for uClibc ++# ++# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> ++# ++# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++# ++ ++top_srcdir=../../../../ ++top_builddir=../../../../ ++all: objs ++include $(top_builddir)Rules.mak ++include Makefile.arch ++include $(top_srcdir)Makerules +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/Makefile.arch +@@ -0,0 +1,28 @@ ++# Makefile for uClibc ++# ++# Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> ++# ++# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. ++# ++ ++#CSRC := \ ++# brk.c \ ++# crtbegin.c \ ++# crtend.c ++# ++#SSRC := \ ++# __longjmp.S \ ++# bsd-_setjmp.S \ ++# bsd-setjmp.S \ ++# setjmp.S \ ++# clone.S \ ++# vfork.S ++ ++CSRC := \ ++ syscall.c __syscall_error.c ++ ++SSRC := \ ++ clone.S setjmp.S vfork.S ++ ++ARCH_CFLAGS := $(CPU_CFLAGS-y) ++include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/__syscall_error.c +@@ -0,0 +1,11 @@ ++#include <errno.h> ++#include <features.h> ++ ++/* This routine is jumped to by some of the syscall handlers, to stash ++ * an error number into errno. */ ++int __syscall_error(int err_no) attribute_hidden; ++int __syscall_error(int err_no) ++{ ++ __set_errno(err_no); ++ return -1; ++} +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/elf-fdpic.h +@@ -0,0 +1,115 @@ ++/* Copyright 2003, 2004 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. ++ ++In addition to the permissions in the GNU Lesser General Public ++License, the Free Software Foundation gives you unlimited ++permission to link the compiled version of this file with other ++programs, and to distribute those programs without any restriction ++coming from the use of this file. (The GNU Lesser General Public ++License restrictions do apply in other respects; for example, they ++cover modification of the file, and distribution when not linked ++into another program.) ++ ++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 ++Library 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; see the file COPYING.LIB. If ++not, write to the Free Software Foundation, Inc., 675 Mass Ave, ++Cambridge, MA 02139, USA. */ ++ ++#ifndef _BITS_ELF_FDPIC_H ++#define _BITS_ELF_FDPIC_H ++ ++/* These data structures are described in the FDPIC ABI extension. ++ The kernel passes a process a memory map, such that for every LOAD ++ segment there is an elf32_fdpic_loadseg entry. A pointer to an ++ elf32_fdpic_loadmap is passed in d8 at start-up, and a pointer to ++ an additional such map is passed in d9 for the interpreter, when ++ there is one. */ ++ ++#include <elf.h> ++ ++/* This data structure represents a PT_LOAD segment. */ ++struct elf32_fdpic_loadseg ++{ ++ /* Core address to which the segment is mapped. */ ++ Elf32_Addr addr; ++ /* VMA recorded in the program header. */ ++ Elf32_Addr p_vaddr; ++ /* Size of this segment in memory. */ ++ Elf32_Word p_memsz; ++}; ++ ++struct elf32_fdpic_loadmap { ++ /* Protocol version number, must be zero. */ ++ Elf32_Half version; ++ /* Number of segments in this map. */ ++ Elf32_Half nsegs; ++ /* The actual memory map. */ ++ struct elf32_fdpic_loadseg segs[/*nsegs*/]; ++}; ++ ++struct elf32_fdpic_loadaddr { ++ struct elf32_fdpic_loadmap *map; ++ void *got_value; ++}; ++ ++/* Map a pointer's VMA to its corresponding address according to the ++ load map. */ ++static __always_inline void * ++__reloc_pointer (void *p, ++ const struct elf32_fdpic_loadmap *map) ++{ ++ int c; ++ ++#if 0 ++ if (map->version != 0) ++ /* Crash. */ ++ ((void(*)())0)(); ++#endif ++ ++ /* No special provision is made for NULL. We don't want NULL ++ addresses to go through relocation, so they shouldn't be in ++ .rofixup sections, and, if they're present in dynamic ++ relocations, they shall be mapped to the NULL address without ++ undergoing relocations. */ ++ ++ for (c = 0; ++ /* Take advantage of the fact that the loadmap is ordered by ++ virtual addresses. In general there will only be 2 entries, ++ so it's not profitable to do a binary search. */ ++ c < map->nsegs && p >= (void*)map->segs[c].p_vaddr; ++ c++) ++ { ++ /* This should be computed as part of the pointer comparison ++ above, but we want to use the carry in the comparison, so we ++ can't convert it to an integer type beforehand. */ ++ unsigned long offset = p - (void*)map->segs[c].p_vaddr; ++ /* We only check for one-past-the-end for the last segment, ++ assumed to be the data segment, because other cases are ++ ambiguous in the absence of padding between segments, and ++ rofixup already serves as padding between text and data. ++ Unfortunately, unless we special-case the last segment, we ++ fail to relocate the _end symbol. */ ++ if (offset < map->segs[c].p_memsz ++ || (offset == map->segs[c].p_memsz && c + 1 == map->nsegs)) ++ return (char*)map->segs[c].addr + offset; ++ } ++ ++ /* We might want to crash instead. */ ++ return (void*)-1; ++} ++ ++# define __RELOC_POINTER(ptr, loadaddr) \ ++ (__reloc_pointer ((void*)(ptr), \ ++ (loadaddr).map)) ++ ++#endif /* _BITS_ELF_FDPIC_H */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/endian.h +@@ -0,0 +1,7 @@ ++/* Ubicom32 is big-endian. */ ++ ++#ifndef _ENDIAN_H ++# error "Never use <bits/endian.h> directly; include <endian.h> instead." ++#endif ++ ++#define __BYTE_ORDER __BIG_ENDIAN +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/fcntl.h +@@ -0,0 +1,226 @@ ++/* O_*, F_*, FD_* bit values for Linux. ++ Copyright (C) 2000 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _FCNTL_H ++# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead." ++#endif ++ ++ ++#include <sys/types.h> ++#ifdef __USE_GNU ++# include <bits/uio.h> ++#endif ++ ++/* open/fcntl - O_SYNC is only implemented on blocks devices and on files ++ located on an ext2 file system */ ++#define O_ACCMODE 0003 ++#define O_RDONLY 00 ++#define O_WRONLY 01 ++#define O_RDWR 02 ++#define O_CREAT 0100 /* not fcntl */ ++#define O_EXCL 0200 /* not fcntl */ ++#define O_NOCTTY 0400 /* not fcntl */ ++#define O_TRUNC 01000 /* not fcntl */ ++#define O_APPEND 02000 ++#define O_NONBLOCK 04000 ++#define O_NDELAY O_NONBLOCK ++#define O_SYNC 010000 ++#define O_FSYNC O_SYNC ++#define O_ASYNC 020000 ++ ++#ifdef __USE_GNU ++# define O_DIRECTORY 040000 /* Must be a directory. */ ++# define O_NOFOLLOW 0100000 /* Do not follow links. */ ++# define O_DIRECT 0200000 /* Direct disk access. */ ++# define O_NOATIME 01000000 /* Do not set atime. */ ++# define O_CLOEXEC 02000000 /* set close_on_exec */ ++# define O_STREAMING 04000000 /* streaming access */ ++#endif ++ ++/* For now Linux has synchronisity options for data and read operations. ++ We define the symbols here but let them do the same as O_SYNC since ++ this is a superset. */ ++#if defined __USE_POSIX199309 || defined __USE_UNIX98 ++# define O_DSYNC O_SYNC /* Synchronize data. */ ++# define O_RSYNC O_SYNC /* Synchronize read operations. */ ++#endif ++ ++#ifdef __USE_LARGEFILE64 ++# define O_LARGEFILE 0400000 ++#endif ++ ++/* Values for the second argument to `fcntl'. */ ++#define F_DUPFD 0 /* Duplicate file descriptor. */ ++#define F_GETFD 1 /* Get file descriptor flags. */ ++#define F_SETFD 2 /* Set file descriptor flags. */ ++#define F_GETFL 3 /* Get file status flags. */ ++#define F_SETFL 4 /* Set file status flags. */ ++#ifndef __USE_FILE_OFFSET64 ++# define F_GETLK 5 /* Get record locking info. */ ++# define F_SETLK 6 /* Set record locking info (non-blocking). */ ++# define F_SETLKW 7 /* Set record locking info (blocking). */ ++#else ++# define F_GETLK F_GETLK64 /* Get record locking info. */ ++# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/ ++# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */ ++#endif ++#define F_GETLK64 12 /* Get record locking info. */ ++#define F_SETLK64 13 /* Set record locking info (non-blocking). */ ++#define F_SETLKW64 14 /* Set record locking info (blocking). */ ++ ++#if defined __USE_BSD || defined __USE_XOPEN2K ++# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ ++# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ ++#endif ++ ++#ifdef __USE_GNU ++# define F_SETSIG 10 /* Set number of signal to be sent. */ ++# define F_GETSIG 11 /* Get number of signal to be sent. */ ++#endif ++ ++#ifdef __USE_GNU ++# define F_SETLEASE 1024 /* Set a lease. */ ++# define F_GETLEASE 1025 /* Enquire what lease is active. */ ++# define F_NOTIFY 1026 /* Request notfications on a directory. */ ++#endif ++ ++/* For F_[GET|SET]FL. */ ++#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ ++ ++/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */ ++#define F_RDLCK 0 /* Read lock. */ ++#define F_WRLCK 1 /* Write lock. */ ++#define F_UNLCK 2 /* Remove lock. */ ++ ++/* For old implementation of bsd flock(). */ ++#define F_EXLCK 4 /* or 3 */ ++#define F_SHLCK 8 /* or 4 */ ++ ++#ifdef __USE_BSD ++/* Operations for bsd flock(), also used by the kernel implementation. */ ++# define LOCK_SH 1 /* shared lock */ ++# define LOCK_EX 2 /* exclusive lock */ ++# define LOCK_NB 4 /* or'd with one of the above to prevent ++ blocking */ ++# define LOCK_UN 8 /* remove lock */ ++#endif ++ ++#ifdef __USE_GNU ++# define LOCK_MAND 32 /* This is a mandatory flock: */ ++# define LOCK_READ 64 /* ... which allows concurrent read operations. */ ++# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */ ++# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */ ++#endif ++ ++#ifdef __USE_GNU ++/* Types of directory notifications that may be requested with F_NOTIFY. */ ++# define DN_ACCESS 0x00000001 /* File accessed. */ ++# define DN_MODIFY 0x00000002 /* File modified. */ ++# define DN_CREATE 0x00000004 /* File created. */ ++# define DN_DELETE 0x00000008 /* File removed. */ ++# define DN_RENAME 0x00000010 /* File renamed. */ ++# define DN_ATTRIB 0x00000020 /* File changed attibutes. */ ++# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */ ++#endif ++ ++struct flock ++ { ++ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ ++ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ ++#ifndef __USE_FILE_OFFSET64 ++ __off_t l_start; /* Offset where the lock begins. */ ++ __off_t l_len; /* Size of the locked area; zero means until EOF. */ ++#else ++ __off64_t l_start; /* Offset where the lock begins. */ ++ __off64_t l_len; /* Size of the locked area; zero means until EOF. */ ++#endif ++ __pid_t l_pid; /* Process holding the lock. */ ++ }; ++ ++#ifdef __USE_LARGEFILE64 ++struct flock64 ++ { ++ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */ ++ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */ ++ __off64_t l_start; /* Offset where the lock begins. */ ++ __off64_t l_len; /* Size of the locked area; zero means until EOF. */ ++ __pid_t l_pid; /* Process holding the lock. */ ++ }; ++#endif ++ ++/* Define some more compatibility macros to be backward compatible with ++ BSD systems which did not managed to hide these kernel macros. */ ++#ifdef __USE_BSD ++# define FAPPEND O_APPEND ++# define FFSYNC O_FSYNC ++# define FASYNC O_ASYNC ++# define FNONBLOCK O_NONBLOCK ++# define FNDELAY O_NDELAY ++#endif /* Use BSD. */ ++ ++/* Advise to `posix_fadvise'. */ ++#ifdef __USE_XOPEN2K ++# define POSIX_FADV_NORMAL 0 /* No further special treatment. */ ++# define POSIX_FADV_RANDOM 1 /* Expect random page references. */ ++# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */ ++# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */ ++# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */ ++# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ ++#endif ++ ++#ifdef __USE_GNU ++# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages ++ in the range before performing the ++ write. */ ++# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those ++ dirty pages in the range which are ++ not presently under writeback. */ ++# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in ++ the range after performing the ++ write. */ ++#endif ++ ++__BEGIN_DECLS ++ ++#ifdef __USE_GNU ++ ++/* Provide kernel hint to read ahead. */ ++extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count) ++ __THROW; ++ ++/* Selective file content synch'ing. */ ++extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to, ++ unsigned int __flags); ++ ++/* Splice address range into a pipe. */ ++extern ssize_t vmsplice (int __fdout, const struct iovec *__iov, ++ size_t __count, unsigned int __flags); ++ ++/* Splice two files together. */ ++extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout, ++ __off64_t *__offout, size_t __len, ++ unsigned int __flags); ++ ++/* In-kernel implementation of tee for pipe buffers. */ ++extern ssize_t tee (int __fdin, int __fdout, size_t __len, ++ unsigned int __flags); ++ ++#endif ++ ++__END_DECLS +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/kernel_stat.h +@@ -0,0 +1,55 @@ ++#ifndef _BITS_STAT_STRUCT_H ++#define _BITS_STAT_STRUCT_H ++ ++#ifndef _LIBC ++#error bits/kernel_stat.h is for internal uClibc use only! ++#endif ++ ++/* This file provides whatever this particular arch's kernel thinks ++ * struct kernel_stat should look like... It turns out each arch has a ++ * different opinion on the subject... */ ++ ++struct kernel_stat { ++ unsigned short st_dev; ++ unsigned short __pad1; ++ unsigned long st_ino; ++ unsigned short st_mode; ++ unsigned short st_nlink; ++ unsigned short st_uid; ++ unsigned short st_gid; ++ unsigned short st_rdev; ++ unsigned short __pad2; ++ unsigned long st_size; ++ unsigned long st_blksize; ++ unsigned long st_blocks; ++ struct timespec st_atim; ++ struct timespec st_mtim; ++ struct timespec st_ctim; ++ unsigned long __unused4; ++ unsigned long __unused5; ++}; ++ ++struct kernel_stat64 { ++ unsigned char __pad0[6]; ++ unsigned short st_dev; ++ unsigned char __pad1[4]; ++#define _HAVE_STAT64___ST_INO ++ unsigned long __st_ino; ++ unsigned int st_mode; ++ unsigned int st_nlink; ++ unsigned long st_uid; ++ unsigned long st_gid; ++ unsigned char __pad2[6]; ++ unsigned short st_rdev; ++ unsigned char __pad3[4]; ++ long long st_size; ++ unsigned long st_blksize; ++ unsigned long st_blocks; /* Number 512-byte blocks allocated. */ ++ unsigned long __pad4; /* future possible st_blocks high bits */ ++ struct timespec st_atim; ++ struct timespec st_mtim; ++ struct timespec st_ctim; ++ unsigned long long st_ino; ++}; ++ ++#endif /* _BITS_STAT_STRUCT_H */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/kernel_types.h +@@ -0,0 +1,44 @@ ++/* Note that we use the exact same include guard #define names ++ * as asm/posix_types.h. This will avoid gratuitous conflicts ++ * with the posix_types.h kernel header, and will ensure that ++ * our private content, and not the kernel header, will win. ++ * -Erik ++ */ ++#ifndef __ARCH_UBICOM32_POSIX_TYPES_H ++#define __ARCH_UBICOM32_POSIX_TYPES_H ++ ++typedef unsigned long __kernel_dev_t; ++typedef unsigned long __kernel_ino_t; ++typedef unsigned short __kernel_mode_t; ++typedef unsigned short __kernel_nlink_t; ++typedef long __kernel_off_t; ++typedef int __kernel_pid_t; ++typedef unsigned short __kernel_ipc_pid_t; ++typedef unsigned short __kernel_uid_t; ++typedef unsigned short __kernel_gid_t; ++typedef unsigned int __kernel_size_t; ++typedef int __kernel_ssize_t; ++typedef int __kernel_ptrdiff_t; ++typedef long __kernel_time_t; ++typedef long __kernel_suseconds_t; ++typedef long __kernel_clock_t; ++typedef int __kernel_daddr_t; ++typedef char * __kernel_caddr_t; ++typedef unsigned short __kernel_uid16_t; ++typedef unsigned short __kernel_gid16_t; ++typedef unsigned int __kernel_uid32_t; ++typedef unsigned int __kernel_gid32_t; ++typedef unsigned short __kernel_old_uid_t; ++typedef unsigned short __kernel_old_gid_t; ++typedef unsigned short __kernel_old_dev_t; ++typedef long long __kernel_loff_t; ++ ++typedef struct { ++#ifdef __USE_ALL ++ int val[2]; ++#else ++ int __val[2]; ++#endif ++} __kernel_fsid_t; ++ ++#endif /* __ARCH_UBICOM32_POSIX_TYPES_H */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/mman.h +@@ -0,0 +1,103 @@ ++/* Definitions for POSIX memory map interface. Linux/m68k version. ++ Copyright (C) 1997, 2000, 2003, 2005 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _SYS_MMAN_H ++# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead." ++#endif ++ ++/* The following definitions basically come from the kernel headers. ++ But the kernel header is not namespace clean. */ ++ ++ ++/* Protections are chosen from these bits, OR'd together. The ++ implementation does not necessarily support PROT_EXEC or PROT_WRITE ++ without PROT_READ. The only guarantees are that no writing will be ++ allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */ ++ ++#define PROT_READ 0x1 /* Page can be read. */ ++#define PROT_WRITE 0x2 /* Page can be written. */ ++#define PROT_EXEC 0x4 /* Page can be executed. */ ++#define PROT_NONE 0x0 /* Page can not be accessed. */ ++#define PROT_GROWSDOWN 0x01000000 /* Extend change to start of ++ growsdown vma (mprotect only). */ ++#define PROT_GROWSUP 0x02000000 /* Extend change to start of ++ growsup vma (mprotect only). */ ++ ++/* Sharing types (must choose one and only one of these). */ ++#define MAP_SHARED 0x01 /* Share changes. */ ++#define MAP_PRIVATE 0x02 /* Changes are private. */ ++#ifdef __USE_MISC ++# define MAP_TYPE 0x0f /* Mask for type of mapping. */ ++#endif ++ ++/* Other flags. */ ++#define MAP_FIXED 0x10 /* Interpret addr exactly. */ ++#ifdef __USE_MISC ++# define MAP_FILE 0 ++# define MAP_ANONYMOUS 0x20 /* Don't use a file. */ ++# define MAP_ANON MAP_ANONYMOUS ++#endif ++ ++/* These are Linux-specific. */ ++#ifdef __USE_MISC ++# define MAP_GROWSDOWN 0x0000100 /* Stack-like segment. */ ++# define MAP_DENYWRITE 0x0000800 /* ETXTBSY */ ++# define MAP_EXECUTABLE 0x0001000 /* Mark it as an executable. */ ++# define MAP_LOCKED 0x0002000 /* Lock the mapping. */ ++# define MAP_NORESERVE 0x0004000 /* Don't check for reservations. */ ++# define MAP_POPULATE 0x0008000 /* Populate (prefault) pagetables. */ ++# define MAP_NONBLOCK 0x0010000 /* Do not block on IO. */ ++# define MAP_UNINITIALIZE 0x4000000 /* For anonymous mmap, memory could be uninitialized. */ ++#endif ++ ++/* Flags to `msync'. */ ++#define MS_ASYNC 1 /* Sync memory asynchronously. */ ++#define MS_SYNC 4 /* Synchronous memory sync. */ ++#define MS_INVALIDATE 2 /* Invalidate the caches. */ ++ ++/* Flags for `mlockall'. */ ++#define MCL_CURRENT 1 /* Lock all currently mapped pages. */ ++#define MCL_FUTURE 2 /* Lock all additions to address ++ space. */ ++ ++/* Flags for `mremap'. */ ++#ifdef __USE_GNU ++# define MREMAP_MAYMOVE 1 ++# define MREMAP_FIXED 2 ++#endif ++ ++/* Advice to `madvise'. */ ++#ifdef __USE_BSD ++# define MADV_NORMAL 0 /* No further special treatment. */ ++# define MADV_RANDOM 1 /* Expect random page references. */ ++# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */ ++# define MADV_WILLNEED 3 /* Will need these pages. */ ++# define MADV_DONTNEED 4 /* Don't need these pages. */ ++# define MADV_DONTFORK 10 /* Do not inherit across fork. */ ++# define MADV_DOFORK 11 /* Do inherit across fork. */ ++#endif ++ ++/* The POSIX people had to invent similar names for the same things. */ ++#ifdef __USE_XOPEN2K ++# define POSIX_MADV_NORMAL 0 /* No further special treatment. */ ++# define POSIX_MADV_RANDOM 1 /* Expect random page references. */ ++# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */ ++# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */ ++# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */ ++#endif +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/setjmp.h +@@ -0,0 +1,52 @@ ++/* Define the machine-dependent type `jmp_buf'. Ubicom32 version. ++ Copyright (C) 1992,93,95,97,2000 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _BITS_SETJMP_H ++#define _BITS_SETJMP_H 1 ++ ++#if !defined _SETJMP_H && !defined _PTHREAD_H ++# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." ++#endif ++ ++#ifndef _ASM ++/* ++ * This is the structure where we are going to save D10-D13, A0, A1, A2, A5, A6 and SP(A7). ++ * A5 is the return address. Call to setjmp will save these. Call to longjmp will return ++ * Control to the address in A5. ++ */ ++typedef struct setjmp_save_struct { ++ unsigned long d10; /* D10 */ ++ unsigned long d11; /* D11 */ ++ unsigned long d12; /* D12 */ ++ unsigned long d13; /* D13 */ ++ unsigned long a1; /* A1 */ ++ unsigned long a2; /* A2 */ ++ unsigned long a5; /* A5 return address. */ ++ unsigned long a6; /* A6 */ ++ unsigned long sp; /* A7 stack pointer. */ ++} __jmp_buf[1]; ++ ++#endif ++ ++/* Test if longjmp to JMPBUF would unwind the frame ++ containing a local variable at ADDRESS. */ ++#define _JMPBUF_UNWINDS(jmpbuf, address) \ ++ ((void *) (address) < (void*)(jmpbuf)->sp) ++ ++#endif /* bits/setjmp.h */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/stackinfo.h +@@ -0,0 +1,28 @@ ++/* Copyright (C) 1999 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++/* This file contains a bit of information about the stack allocation ++ of the processor. */ ++ ++#ifndef _STACKINFO_H ++#define _STACKINFO_H 1 ++ ++/* On Ubicom32 the stack grows down. */ ++#define _STACK_GROWS_DOWN 1 ++ ++#endif /* stackinfo.h */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/syscalls.h +@@ -0,0 +1,81 @@ ++#ifndef _BITS_SYSCALLS_H ++#define _BITS_SYSCALLS_H ++#ifndef _SYSCALL_H ++# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead." ++#endif ++ ++/* m68k headers does stupid stuff with __NR_iopl / __NR_vm86: ++ * #define __NR_iopl not supported ++ * #define __NR_vm86 not supported ++ */ ++#undef __NR_iopl ++#undef __NR_vm86 ++ ++#ifndef __ASSEMBLER__ ++ ++#include <errno.h> ++ ++/* Linux takes system call arguments in registers: ++ ++ syscall number %d8 ++ arg 1 %d0 ++ arg 2 %d1 ++ arg 3 %d2 ++ arg 4 %d3 ++ arg 5 %d4 ++ arg 6 %d5 ++*/ ++ ++#define __loadargs_0(name, dummy) \ ++ d8 = (long int)name ++ ++#define __loadargs_1(name, __arg1) \ ++ __loadargs_0(name, 0); \ ++ d0_retval = (long int) __arg1 ++ ++#define __loadargs_2(name, __arg1, __arg2) \ ++ __loadargs_1(name, __arg1); \ ++ d1 = (long int) __arg2 ++ ++#define __loadargs_3(name, __arg1, __arg2, __arg3) \ ++ __loadargs_2(name, __arg1, __arg2); \ ++ d2 = (long int) __arg3 ++ ++#define __loadargs_4(name, __arg1, __arg2, __arg3, __arg4) \ ++ __loadargs_3(name, __arg1, __arg2, __arg3); \ ++ d3 = (long int)__arg4 ++ ++#define __loadargs_5(name, __arg1, __arg2, __arg3, __arg4, __arg5) \ ++ __loadargs_4(name, __arg1, __arg2, __arg3, __arg4); \ ++ d4 = (long int)__arg5 ++ ++#define __loadargs_6(name, __arg1, __arg2, __arg3, __arg4, __arg5, __arg6) \ ++ __loadargs_5(name, __arg1, __arg2, __arg3, __arg4, __arg5); \ ++ d5 = (long int)__arg6 ++ ++#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ ++({ \ ++ register long int d0_retval __asm__ ("d0"); \ ++ register long int d1 __asm__ ("d1"); \ ++ register long int d2 __asm__ ("d2"); \ ++ register long int d3 __asm__ ("d3"); \ ++ register long int d4 __asm__ ("d4"); \ ++ register long int d5 __asm__ ("d5"); \ ++ register long int d8 __asm__ ("d8"); \ ++ __loadargs_##nr (name, args); \ ++ __asm__ __volatile__ ( \ ++ " moveai a5, #%%hi(0x40400000)\n\t" \ ++ " calli a5, 16(a5)\n\t" \ ++ : "+r" (d0_retval), "+r" (d1), "+r" (d2), "+r" (d3), \ ++ "+r" (d4), "+r" (d5), "+r" (d8) : \ ++ : "cc", "memory", \ ++ "acc0_lo", "acc0_hi", "acc1_lo", "acc1_hi", \ ++ "source3", \ ++ "a0", "a3", "a4", "a5", \ ++ "d6", "d7", "d9", "d14", "d15" \ ++ ); \ ++ d0_retval; \ ++}) ++ ++#endif /* __ASSEMBLER__ */ ++#endif /* _BITS_SYSCALLS_H */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/uClibc_arch_features.h +@@ -0,0 +1,45 @@ ++/* ++ * Track misc arch-specific features that aren't config options ++ */ ++ ++#ifndef _BITS_UCLIBC_ARCH_FEATURES_H ++#define _BITS_UCLIBC_ARCH_FEATURES_H ++ ++/* instruction used when calling abort() to kill yourself */ ++/*#define __UCLIBC_ABORT_INSTRUCTION__ "asm instruction"*/ ++#undef __UCLIBC_ABORT_INSTRUCTION__ ++ ++/* can your target use syscall6() for mmap ? */ ++#undef __UCLIBC_MMAP_HAS_6_ARGS__ ++ ++/* does your target use syscall4() for truncate64 ? (32bit arches only) */ ++#undef __UCLIBC_TRUNCATE64_HAS_4_ARGS__ ++ ++/* does your target have a broken create_module() ? */ ++#undef __UCLIBC_BROKEN_CREATE_MODULE__ ++ ++/* does your target have to worry about older [gs]etrlimit() ? */ ++#undef __UCLIBC_HANDLE_OLDER_RLIMIT__ ++ ++/* does your target prefix all symbols with an _ ? */ ++#define __UCLIBC_NO_UNDERSCORES__ ++ ++/* does your target have an asm .set ? */ ++#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__ ++ ++/* define if target doesn't like .global */ ++#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__ ++ ++/* define if target supports .weak */ ++#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__ ++ ++/* define if target supports .weakext */ ++#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__ ++ ++/* needed probably only for ppc64 */ ++#undef __UCLIBC_HAVE_ASM_GLOBAL_DOT_NAME__ ++ ++/* define if target supports IEEE signed zero floats */ ++#define __UCLIBC_HAVE_SIGNED_ZERO__ ++ ++#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/bits/wordsize.h +@@ -0,0 +1,19 @@ ++/* Copyright (C) 1999 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#define __WORDSIZE 32 +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/clone.S +@@ -0,0 +1,71 @@ ++#include <sys/syscall.h> ++ ++ .global __syscall_error ++ ++/* int _clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */ ++ .text ++ .type clone,@function ++ .global clone ++clone: ++ /* Sanity check arguments. */ ++ sub.4 #0, #0, d0 /* Test if fn is zero. */ ++ jmpeq.f 1f /* arg bad */ ++ sub.4 #0, #0, d1 /* Test if child_stack is zero. */ ++ jmpeq.f 1f /* arg bad */ ++ ++ /* Set up child_stack frame.. arg and fn */ ++ move.4 a3, d1 ++ move.4 -4(a3)++, d3 /* push 'arg' to child stack */ ++ move.4 -4(a3)++, d0 /* push fn to child stack, this will become a5 ++ * on new child */ ++ move.4 d1, a3 ++ move.4 -4(sp)++, a5 /* push a5 to our stack */ ++ ++ /* ++ * The syscall clone is clone(int flags, void *child_stack) so we set ++ * that up now ++ */ ++ move.4 d0, d2 /* Move flags to d0 */ ++ ++ /* Do Clone syscall */ ++ movei d8, #__NR_clone ++ moveai a5, #%hi(0x40400000) ++ calli a5, 0x10(a5) ++ move.4 a5, (sp)4++ /* pop a5 from stack */ ++ ++ /* Clone Complete */ ++ cmpi d0, #0 /* Test if d0 is less than zero. If it is we ++ * return the error */ ++ jmplt.f 2f /* If return is less than we had an error */ ++ jmpeq.f 3f /* If return is 0 we are in the clone, jump to ++ * thread start */ ++ ret a5 /* d0 is pid */ ++ ++ /* Invalid Value */ ++1: movei d0, #-22 /* EINVAL */ ++ ++ /* Call syscall Error */ ++2: sub.4 d0, #0, d0 /* d0 = -d0 */ ++#if defined(__UBICOM32_FDPIC__) ++ call a3, __syscall_error ++#else ++ moveai a3, #%hi(__syscall_error) ++ calli a3, %lo(__syscall_error)(a3) ++#endif ++ /* Child Thread Start */ ++3: ++#if defined(__UBICOM32_FDPIC__) ++ /* a5 actually contains a function descriptor for fdpic */ ++ move.4 a0, 4(a5) /* set GOT for this function */ ++ move.4 a5, 0(a5) /* get address of entry point */ ++#endif ++ move.4 d0, (sp)4++ /* pop 'arg' to stack */ ++ calli a5, 0(a5) ++ movei d8, #__NR_exit ++ moveai a3, #%hi(0x40400000) ++ calli a3, 0x10(a3) ++ ++ .size clone, . - clone ++ .global __GI_clone ++ .hidden __GI_clone ++ .set __GI_clone,clone +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/crt1.S +@@ -0,0 +1,179 @@ ++/* Startup code compliant to the ELF m68k ABI. ++ Copyright (C) 1996, 1997, 1998, 2001, 2002 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. ++ ++ In addition to the permissions in the GNU Lesser General Public ++ License, the Free Software Foundation gives you unlimited ++ permission to link the compiled version of this file with other ++ programs, and to distribute those programs without any restriction ++ coming from the use of this file. (The GNU Lesser General Public ++ License restrictions do apply in other respects; for example, they ++ cover modification of the file, and distribution when not linked ++ into another program.) ++ ++ Note that people who make modified versions of this file are not ++ obligated to grant this special exception for their modified ++ versions; it is their choice whether to do so. The GNU Lesser ++ General Public License gives permission to release a modified ++ version without this exception; this exception also makes it ++ possible to release a modified version which carries forward this ++ exception. ++ ++ 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#include <features.h> ++ ++/* This is the canonical entry point, usually the first thing in the text ++ segment. The SVR4/m68k ABI says that when the entry point runs, ++ most registers' values are unspecified, except for: ++ ++ %a1 Contains a function pointer to be registered with `atexit'. ++ This is how the dynamic linker arranges to have DT_FINI ++ functions called for shared libraries that have been loaded ++ before this code runs. ++ ++ %sp The stack contains the arguments and environment: ++ 0(%sp) argc ++ 4(%sp) argv[0] ++ ... ++ (4*argc)(%sp) NULL ++ (4*(argc+1))(%sp) envp[0] ++ ... ++ NULL ++ ++ The uclinux conventions are different. %a1 is not defined on entry ++ and the stack is laid out as follows: ++ ++ 0(%sp) argc ++ 4(%sp) argv ++ 8(%sp) envp ++*/ ++ ++ ++ .text ++ .type main,@function ++ .type _init,%function ++ .type _fini,%function ++#ifndef __UCLIBC_CTOR_DTOR__ ++ .weak _init ++ .weak _fini ++#endif ++ .globl _start ++ .global __uClibc_main; ++ .type __uClibc_main,@function; ++ .type _start,@function ++_start: ++ ++#if defined(__UBICOM32_FDPIC__) && !defined(L_Scrt1) ++ /* P0 contains a pointer to the program's load map. */ ++ call a3, .Lcall; ++.Lcall: ++ move.4 d0, d1 ; load exec_map_addr ++ moveai a4, #%hi(.Lcall) ++ lea.1 d15, %lo(.Lcall)(a4) ++ sub.4 d15, a3, d15 ; difference between .Lcall and actual address of .Lcall ++ moveai a3, #%hi(__ROFIXUP_LIST__) ++ lea.1 d1, %lo(__ROFIXUP_LIST__)(a3) ++ moveai a3, #%hi(__ROFIXUP_END__) ++ lea.1 d2, %lo(__ROFIXUP_END__)(a3) ++ add.4 d1, d1, d15 ++ add.4 d2, d2, d15 ++ call a5, __self_reloc ; returns GOT in d0 ++ move.4 a0, d0 ; set GOT ++#endif ++ ++/* ++ all this is setup to make the following call. ++ ++ void __uClibc_main( ++ d0 - int (*main)(int, char **, char **), ++ d1 - int argc, (d1) ++ d2 - char **argv, ++ d3 - void (*app_init)(void), ++ d4 - void (*app_fini)(void), ++ d5 - void (*rtld_fini)(void), ++ d6 - void *stack_end ++ ); ++ */ ++ ++ /* ++ * Load pointer to main into d0 ++ */ ++#ifdef __UBICOM32_FDPIC__ ++ movei d0, #%got_funcdesc_lo(main) ++ move.4 d0, (a0, d0) ++#else ++ moveai a3, #%hi(main) ++ lea.1 d0, %lo(main)(a3) ++#endif ++ ++ /* ++ * Grab the environment stuff from stack and set up d1, d2 with it. ++ */ ++ move.4 d1, (sp) ++#ifdef __UBICOM32_FDPIC__ ++ /* For FDPIC the calling convention is different than flat */ ++ lea.1 d2, 4(sp) ++#else ++ move.4 d2, 4(sp) ++#endif ++ ++#ifdef __UCLIBC_CTOR_DTOR__ ++ /* ++ * Load pointer to _init into d3 ++ */ ++#ifdef __UBICOM32_FDPIC__ ++ movei d3, #%got_funcdesc_lo(_init) ++ move.4 d3, (a0, d3) ++#else ++ moveai a3, #%hi(_init) ++ lea.1 d3, %lo(_init)(a3) ++#endif ++ ++ /* ++ * Load pointer to _fini into d4 ++ */ ++#ifdef __UBICOM32_FDPIC__ ++ movei d4, #%got_funcdesc_lo(_fini) ++ move.4 d4, (a0, d4) ++#else ++ moveai a3, #%hi(_fini) ++ lea.1 d4, %lo(_fini)(a3) ++#endif ++ ++#else /* !__UCLIBC_CTOR_DTOR__ */ ++ move.4 d3, #0 ; _init ++ move.4 d4, #0 ; _fini ++#endif ++ ++#ifdef __UBICOM32_FDPIC__ ++ move.4 d5, a1 ; ldso _fini funcdesc (see dl-startup.h) ++#else ++ movei d5, #0 ; rtld_fini (not used) ++#endif ++ ++ move.4 d6, sp ; Stack End. ++ ++ /* Call the user's main function, and exit with its value. But ++ let the libc call main. */ ++#ifdef __UBICOM32_FDPIC__ ++ call a5, __uClibc_main ++#else ++ moveai a5, #%hi(__uClibc_main) ++ calli a5, %lo(__uClibc_main)(a5) ++#endif ++ ++ bkpt #-1 ; Crash if somehow `exit' does return. +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/crti.S +@@ -0,0 +1,54 @@ ++/* Specialized code needed to support construction and destruction of ++ file-scope objects in C++ and Java code, and to support exception handling. ++ Copyright (C) 1999 Free Software Foundation, Inc. ++ Contributed by Charles-Antoine Gauthier (charles.gauthier@iit.nrc.ca). ++ ++This file is part of GCC. ++ ++GCC is free software; you can redistribute it and/or modify ++it under the terms of the GNU General Public License as published by ++the Free Software Foundation; either version 2, or (at your option) ++any later version. ++ ++GCC 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 General Public License for more details. ++ ++You should have received a copy of the GNU General Public License ++along with GCC; see the file COPYING. If not, write to ++the Free Software Foundation, 59 Temple Place - Suite 330, ++Boston, MA 02111-1307, USA. */ ++ ++/* As a special exception, if you link this library with files ++ compiled with GCC to produce an executable, this does not cause ++ the resulting executable to be covered by the GNU General Public License. ++ This exception does not however invalidate any other reasons why ++ the executable file might be covered by the GNU General Public License. */ ++ ++/* ++ * This file just supplies function prologues for the .init and .fini ++ * sections. It is linked in before crtbegin.o. ++ */ ++ .file "crti.o" ++ .ident "GNU C crti.o" ++ ++ .section .init ++ .align 2 ++ .globl _init ++ .type _init, @function ++_init: ++ move.4 -4(sp)++, a5 ++#ifdef __UBICOM32_FDPIC__ ++ move.4 -4(sp)++, a0 ++#endif ++ ++ .section .fini ++ .align 2 ++ .globl _fini ++ .type _fini, @function ++_fini: ++ move.4 -4(sp)++, a5 ++#ifdef __UBICOM32_FDPIC__ ++ move.4 -4(sp)++, a0 ++#endif +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/crtn.S +@@ -0,0 +1,47 @@ ++/* Specialized code needed to support construction and destruction of ++ file-scope objects in C++ and Java code, and to support exception handling. ++ Copyright (C) 1999 Free Software Foundation, Inc. ++ Contributed by Charles-Antoine Gauthier (charles.gauthier@iit.nrc.ca). ++ ++This file is part of GCC. ++ ++GCC is free software; you can redistribute it and/or modify ++it under the terms of the GNU General Public License as published by ++the Free Software Foundation; either version 2, or (at your option) ++any later version. ++ ++GCC 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 General Public License for more details. ++ ++You should have received a copy of the GNU General Public License ++along with GCC; see the file COPYING. If not, write to ++the Free Software Foundation, 59 Temple Place - Suite 330, ++Boston, MA 02111-1307, USA. */ ++ ++/* As a special exception, if you link this library with files ++ compiled with GCC to produce an executable, this does not cause ++ the resulting executable to be covered by the GNU General Public License. ++ This exception does not however invalidate any other reasons why ++ the executable file might be covered by the GNU General Public License. */ ++ ++/* ++ * This file supplies function epilogues for the .init and .fini sections. ++ * It is linked in after all other files. ++ */ ++ ++ .file "crtn.o" ++ .ident "GNU C crtn.o" ++ ++ .section .init ++#ifdef __UBICOM32_FDPIC__ ++ move.4 a0, (sp)4++ ++#endif ++ ret (sp)4++ ++ ++ .section .fini ++#ifdef __UBICOM32_FDPIC__ ++ move.4 a0, (sp)4++ ++#endif ++ ret (sp)4++ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/crtreloc.c +@@ -0,0 +1,145 @@ ++/* Copyright (C) 2003, 2004 Free Software Foundation, Inc. ++ written by Alexandre Oliva <aoliva@redhat.com> ++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. ++ ++In addition to the permissions in the GNU Lesser General Public ++License, the Free Software Foundation gives you unlimited ++permission to link the compiled version of this file with other ++programs, and to distribute those programs without any restriction ++coming from the use of this file. (The GNU Lesser General Public ++License restrictions do apply in other respects; for example, they ++cover modification of the file, and distribution when not linked ++into another program.) ++ ++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 ++Library 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; see the file COPYING.LIB. If ++not, write to the Free Software Foundation, Inc., 675 Mass Ave, ++Cambridge, MA 02139, USA. */ ++ ++#ifdef __UBICOM32_FDPIC__ ++ ++#include <sys/types.h> ++#include <link.h> ++ ++/* This file is to be compiled into crt object files, to enable ++ executables to easily self-relocate. */ ++ ++union word { ++ char c[4]; ++ void *v; ++}; ++ ++/* Compute the runtime address of pointer in the range [p,e), and then ++ map the pointer pointed by it. */ ++static __always_inline void *** ++reloc_range_indirect (void ***p, void ***e, ++ const struct elf32_fdpic_loadmap *map) ++{ ++ while (p < e) ++ { ++ if (*p != (void **)-1) ++ { ++ void *ptr = __reloc_pointer (*p, map); ++ if (ptr != (void *)-1) ++ { ++ void *pt; ++ if ((long)ptr & 3) ++ { ++ unsigned char *c = ptr; ++ int i; ++ unsigned long v = 0; ++ for (i = 0; i < 4; i++) ++ v |= c[i] << 8 * i; ++ pt = (void *)v; ++ } ++ else ++ pt = *(void**)ptr; ++ pt = __reloc_pointer (pt, map); ++ if ((long)ptr & 3) ++ { ++ unsigned char *c = ptr; ++ int i; ++ unsigned long v = (unsigned long)pt; ++ for (i = 0; i < 4; i++, v >>= 8) ++ c[i] = v; ++ } ++ else ++ *(void**)ptr = pt; ++ } ++ } ++ p++; ++ } ++ return p; ++} ++ ++/* Call __reloc_range_indirect for the given range except for the last ++ entry, whose contents are only relocated. It's expected to hold ++ the GOT value. */ ++void* attribute_hidden ++__self_reloc (const struct elf32_fdpic_loadmap *map, ++ void ***p, void ***e) ++{ ++ p = reloc_range_indirect (p, e-1, map); ++ ++ if (p >= e) ++ return (void*)-1; ++ ++ return __reloc_pointer (*p, map); ++} ++ ++#if 0 ++/* These are other functions that might be useful, but that we don't ++ need. */ ++ ++/* Remap pointers in [p,e). */ ++static __always_inline void** ++reloc_range (void **p, void **e, ++ const struct elf32_fdpic_loadmap *map) ++{ ++ while (p < e) ++ { ++ *p = __reloc_pointer (*p, map); ++ p++; ++ } ++ return p; ++} ++ ++/* Remap p, adjust e by the same offset, then map the pointers in the ++ range determined by them. */ ++void attribute_hidden ++__reloc_range (const struct elf32_fdpic_loadmap *map, ++ void **p, void **e) ++{ ++ void **old = p; ++ ++ p = __reloc_pointer (p, map); ++ e += p - old; ++ reloc_range (p, e, map); ++} ++ ++/* Remap p, adjust e by the same offset, then map pointers referenced ++ by the (unadjusted) pointers in the range. Return the relocated ++ value of the last pointer in the range. */ ++void* attribute_hidden ++__reloc_range_indirect (const struct elf32_fdpic_loadmap *map, ++ void ***p, void ***e) ++{ ++ void ***old = p; ++ ++ p = __reloc_pointer (p, map); ++ e += p - old; ++ return reloc_range_indirect (p, e, map); ++} ++#endif ++ ++#endif /* __UBICOM32_FDPIC__ */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/setjmp.S +@@ -0,0 +1,72 @@ ++/* Setjmp for Ubicom32 */ ++ .text ++ .global _setjmp ++ .type _setjmp,@function ++_setjmp: ++ movea a3, d0 ; A3 now holds the jmp buf that was passed in. ++ move.4 (a3)4++, d10 ++ move.4 (a3)4++, d11 ++ move.4 (a3)4++, d12 ++ move.4 (a3)4++, d13 ++ move.4 (a3)4++, a1 ++ move.4 (a3)4++, a2 ++ move.4 (a3)4++, a5 ++ move.4 (a3)4++, a6 ++ move.4 (a3)4++, a7 ++ move.4 d0, #0 ++ ++ calli a5, 0(a5) ++ .size _setjmp, . - _setjmp ++ ++/* ++ * __sigsetjmp for Ubicom32 ++ * d0 holds sigjmp_buf and d1 holds the savemask. We will save the frame and then just call __sigjmp_save to do the mask save. ++ */ ++ .global __sigsetjmp ++ .type __sigsetjmp,@function ++__sigsetjmp: ++ movea a3, d0 ; A3 now holds the jmp buf that was passed in. ++ move.4 (a3)4++, d10 ++ move.4 (a3)4++, d11 ++ move.4 (a3)4++, d12 ++ move.4 (a3)4++, d13 ++ move.4 (a3)4++, a1 ++ move.4 (a3)4++, a2 ++ move.4 (a3)4++, a5 ++ move.4 (a3)4++, a6 ++ move.4 (a3)4++, a7 ++ ++ ;; The frame has been saved. Call _sigjmp_save to get sigmask saved. a5 still has the return address and it will go back to that. ++#if defined(__UBICOM32_FDPIC__) ++ call a3, __sigjmp_save ++#else ++ moveai a3, #%hi(__sigjmp_save) ++ calli a3, %lo(__sigjmp_save)(a3) ++#endif ++ .size __sigjmp_save, . - __sigjmp_save ++ ++ .global __longjmp ++ .type __longjmp,@function ++__longjmp: ++ movea a3, d0 ; A3 now holds the jmp buf that was passed in. ++ move.4 d10, (a3)4++ ++ move.4 d11, (a3)4++ ++ move.4 d12, (a3)4++ ++ move.4 d13, (a3)4++ ++ move.4 a1 , (a3)4++ ++ move.4 a2 , (a3)4++ ++ move.4 a5 , (a3)4++ ++ move.4 a6 , (a3)4++ ++ move.4 a7 , (a3)4++ ++ ++ sub.4 #0, #0, d1 ; Test if d1 is zero. If it is we have to return 1 other wise return content of d1 ++ jmpeq.t 2f ++ move.4 d0, d1 ; d1 is non zero load it into d0 ++ jmpt.t 3f ++ ++2: move.4 d0, #1 ++3: calli a5, 0(a5) ++ .size __longjmp, . - __longjmp ++ .global __GI___longjmp ++ .hidden __GI___longjmp ++ .set __GI___longjmp,__longjmp +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/sys/procfs.h +@@ -0,0 +1,122 @@ ++/* Copyright (C) 1996, 1997, 1999, 2000 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _SYS_PROCFS_H ++#define _SYS_PROCFS_H 1 ++ ++/* This is somehow modelled after the file of the same name on SysVr4 ++ systems. It provides a definition of the core file format for ELF ++ used on Linux. */ ++ ++#include <features.h> ++#include <signal.h> ++#include <sys/time.h> ++#include <sys/types.h> ++#include <sys/ucontext.h> ++#include <bits/wordsize.h> ++ ++__BEGIN_DECLS ++ ++#define ELF_NGREG 38 ++ ++typedef struct ++ { ++ union ++ { ++ unsigned long pr_regs[32]; ++ double pr_dregs[16]; ++ } pr_fr; ++ unsigned long __unused; ++ unsigned long pr_fsr; ++ unsigned char pr_qcnt; ++ unsigned char pr_q_entrysize; ++ unsigned char pr_en; ++ unsigned int pr_q[64]; ++ } elf_fpregset_t; ++ ++typedef unsigned long elf_greg_t; ++typedef elf_greg_t elf_gregset_t[ELF_NGREG]; ++ ++struct elf_siginfo ++ { ++ int si_signo; /* Signal number. */ ++ int si_code; /* Extra code. */ ++ int si_errno; /* Errno. */ ++ }; ++ ++/* Definitions to generate Intel SVR4-like core files. These mostly ++ have the same names as the SVR4 types with "elf_" tacked on the ++ front to prevent clashes with linux definitions, and the typedef ++ forms have been avoided. This is mostly like the SVR4 structure, ++ but more Linuxy, with things that Linux does not support and which ++ gdb doesn't really use excluded. Fields present but not used are ++ marked with "XXX". */ ++struct elf_prstatus ++ { ++ struct elf_siginfo pr_info; /* Info associated with signal. */ ++ short int pr_cursig; /* Current signal. */ ++ unsigned long int pr_sigpend; /* Set of pending signals. */ ++ unsigned long int pr_sighold; /* Set of held signals. */ ++ __pid_t pr_pid; ++ __pid_t pr_ppid; ++ __pid_t pr_pgrp; ++ __pid_t pr_sid; ++ struct timeval pr_utime; /* User time. */ ++ struct timeval pr_stime; /* System time. */ ++ struct timeval pr_cutime; /* Cumulative user time. */ ++ struct timeval pr_cstime; /* Cumulative system time. */ ++ elf_gregset_t pr_reg; /* GP registers. */ ++ int pr_fpvalid; /* True if math copro being used. */ ++ }; ++ ++ ++#define ELF_PRARGSZ (80) /* Number of chars for args */ ++ ++struct elf_prpsinfo ++ { ++ char pr_state; /* Numeric process state. */ ++ char pr_sname; /* Char for pr_state. */ ++ char pr_zomb; /* Zombie. */ ++ char pr_nice; /* Nice val. */ ++ unsigned long int pr_flag; /* Flags. */ ++ unsigned short int pr_uid; ++ unsigned short int pr_gid; ++ int pr_pid, pr_ppid, pr_pgrp, pr_sid; ++ /* Lots missing */ ++ char pr_fname[16]; /* Filename of executable. */ ++ char pr_psargs[ELF_PRARGSZ]; /* Initial part of arg list. */ ++ }; ++ ++/* Addresses. */ ++typedef void *psaddr_t; ++ ++/* Register sets. Linux has different names. */ ++typedef elf_gregset_t prgregset_t; ++typedef elf_fpregset_t prfpregset_t; ++ ++/* We don't have any differences between processes and threads, ++ therefore have only one PID type. */ ++typedef __pid_t lwpid_t; ++ ++ ++typedef struct elf_prstatus prstatus_t; ++typedef struct elf_prpsinfo prpsinfo_t; ++ ++__END_DECLS ++ ++#endif /* sys/procfs.h */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/sys/ucontext.h +@@ -0,0 +1,104 @@ ++/* Copyright (C) 1998, 1999 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _SYS_UCONTEXT_H ++#define _SYS_UCONTEXT_H 1 ++ ++#include <features.h> ++#include <signal.h> ++/* ++ * Location of the users' stored registers relative to R0. ++ * Usage is as an index into a gregset_t array or as u.u_ar0[XX]. ++ */ ++#define REG_PSR (0) ++#define REG_PC (1) ++#define REG_SPARE (2) ++#define REG_WVALID (3) ++#define REG_G1 (4) ++#define REG_G2 (5) ++#define REG_G3 (6) ++#define REG_G4 (7) ++#define REG_G5 (8) ++#define REG_G6 (9) ++#define REG_G7 (10) ++#define REG_O0 (11) ++#define REG_O1 (12) ++#define REG_O2 (13) ++#define REG_O3 (14) ++#define REG_O4 (15) ++#define REG_O5 (16) ++#define REG_O6 (17) ++#define REG_O7 (18) ++#define REG_GLOBALS (19) ++ ++/* ++ * A gregset_t is defined as an array type for compatibility with the reference ++ * source. This is important due to differences in the way the C language ++ * treats arrays and structures as parameters. ++ * ++ * Note that NGREG is really (sizeof (struct regs) / sizeof (greg_t)), ++ * but that the ABI defines it absolutely to be 21 (resp. 19). ++ */ ++ ++#define NGREG 20 ++typedef int greg_t; ++ ++typedef greg_t gregset_t[NGREG]; ++ ++/* ++ * The following structures define how a register window can appear on the ++ * stack. This structure is available (when required) through the `gwins' ++ * field of an mcontext (nested within ucontext). NIOS_MAXWINDOW is the ++ * maximum number of outstanding register windows defined in the NIOS ++ * architecture (*not* implementation). ++ */ ++#define NIOS_MAXREGWINDOW 31 /* max windows in NIOS arch. */ ++struct rwindow ++ { ++ greg_t rw_local[8]; /* locals */ ++ greg_t rw_in[8]; /* ins */ ++ }; ++ ++#define rw_fp rw_in[6] /* frame pointer */ ++#define rw_rtn rw_in[7] /* return address */ ++ ++typedef struct gwindows ++ { ++ int wbcnt; ++ int *spbuf[NIOS_MAXREGWINDOW]; ++ struct rwindow wbuf[NIOS_MAXREGWINDOW]; ++ } gwindows_t; ++ ++typedef struct ++ { ++ gregset_t gregs; /* general register set */ ++ gwindows_t *gwins; /* POSSIBLE pointer to register windows */ ++ } mcontext_t; ++ ++ ++/* Userlevel context. */ ++typedef struct ucontext ++ { ++ unsigned long uc_flags; ++ struct ucontext *uc_link; ++ __sigset_t uc_sigmask; ++ stack_t uc_stack; ++ mcontext_t uc_mcontext; ++ } ucontext_t; ++ ++#endif /* sys/ucontext.h */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/syscall.c +@@ -0,0 +1,32 @@ ++/* vi: set sw=4 ts=4: */ ++/* syscall for ubicom32/uClibc ++ * ++ * Copyright (C) 2008 by Ubicom Inc. ++ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org> ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU Library General Public License as published by ++ * the Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * This program 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 Library General Public License ++ * for more details. ++ * ++ * You should have received a copy of the GNU Library General Public License ++ * along with this program; if not, write to the Free Software Foundation, ++ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ++ */ ++ ++#include <features.h> ++#include <errno.h> ++#include <sys/types.h> ++#include <sys/syscall.h> ++ ++extern long syscall(long sysnum, long a, long b, long c, long d, long e, long f); ++long syscall(long sysnum, long a, long b, long c, long d, long e, long f) ++{ ++ int __NR_syscall_number = sysnum; ++ return (long) INLINE_SYSCALL(syscall_number, 6, a, b, c, d, e, f); ++} +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/vfork.S +@@ -0,0 +1,35 @@ ++#include <sys/syscall.h> ++ ++ .text ++ .type vfork,@function ++ .global vfork ++vfork: ++ move.4 -4(sp)++, a5 ; Save return address on the stack. ++ movei d8, #__NR_vfork ++ moveai a3, #%hi(0x40400000) ++ calli a5, 0x10(a3) ++ ++ /* ++ * You get here only if the syscall bombed. If things had worked out the ++ * parent and child would have both returned to the instruction after ++ * the vfork call. ++ */ ++ move.4 a5, (sp)4++ ; Pop the return address off the stack. ++ movei d1, #-125 ++ sub.4 #0, d0, d1 ++ jmplt.t 1f ++ ++ ;; We have an error. ++ sub.4 d0, #0, d0 ; d0 = -res. Call __set_errno with that. ++#if defined(__UBICOM32_FDPIC__) ++ call a3, __syscall_error ++#else ++ moveai a3, #%hi(__syscall_error) ++ calli a3, %lo(__syscall_error)(a3) ; __syscall_error will return -1 and not come back here. ++#endif ++1: ++ calli a5, 0(a5) ++ .size vfork, . - vfork ++ .global __GI_vfork ++ .hidden __GI_vfork ++ .set __GI_vfork,vfork +--- a/libpthread/linuxthreads.old/pthread.c ++++ b/libpthread/linuxthreads.old/pthread.c +@@ -391,6 +391,10 @@ void __pthread_initialize_minimal(void) + #endif + + __libc_multiple_threads_ptr = __libc_pthread_init (ptr_pthread_functions); ++#ifndef __ARCH_USE_MMU__ ++ __pthread_initial_thread_tos = ++ (char *)(((long)CURRENT_STACK_FRAME + getpagesize()) & ~(getpagesize() - 1)); ++#endif /* __ARCH_USE_MMU__ */ + } + + +@@ -467,7 +471,8 @@ static void pthread_initialize(void) + * for a few more details. + */ + __pthread_initial_thread_mid = CURRENT_STACK_FRAME; +- __pthread_initial_thread_tos = (char *) -1; ++ if (__pthread_initial_thread_tos == NULL) ++ __pthread_initial_thread_tos = (char *) -1; + __pthread_initial_thread_bos = (char *) 1; /* set it non-zero so we know we have been here */ + PDEBUG("initial thread stack bounds: bos=%p, tos=%p\n", + __pthread_initial_thread_bos, __pthread_initial_thread_tos); +--- /dev/null ++++ b/libpthread/linuxthreads.old/sysdeps/ubicom32/pt-machine.h +@@ -0,0 +1,68 @@ ++/* Machine-dependent pthreads configuration and inline functions. ++ ++ Copyright (C) 1996, 1997, 1998, 2000, 2002, 2003, 2004 ++ Free Software Foundation, Inc. ++ This file is part of the GNU C Library. ++ Contributed by Ralf Baechle <ralf@gnu.org>. ++ Based on the Alpha version by Richard Henderson <rth@tamu.edu>. ++ ++ 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; see the file COPYING.LIB. If ++ not, write to the Free Software Foundation, Inc., ++ 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ ++ ++#ifndef _PT_MACHINE_H ++#define _PT_MACHINE_H 1 ++ ++#include <features.h> ++ ++/* ++ * XXX try to make this inline ++ */ ++extern long int testandset (int *spinlock); ++ ++#ifndef PT_EI ++#define PT_EI ++#else ++/* Spinlock implementation; required. */ ++ ++/* ++ * testandset() is the basis for the pthread spin lock. ++ * ++ * This implementation only requires that we 'set' the state of *spinlock. As ++ * bset is allows us to atomically 'testandset' a single bit define our 'set' is ++ * such that we will set bit 0 (ignoring all other bits, which should also be ++ * zero). ++ * Return value of 1 implies that the bit was already set and is still ++ * set. ++ * Return value of 0 implies that the bit was not previously set but it ++ * now is. ++ */ ++long int ++testandset (int *spinlock) ++{ ++ int ret; ++ __asm__ volatile ( ++ " move.4 %0, #0 \n\t" /* Assume that the bit is not currently set */ ++ " bset %1, %1, #0 \n\t" /* Attempt to 'set' bit 0 */ ++ " jmpeq.t 1f \n\t" ++ " move.4 %0, #1 \n\t" /* Bit was already set, so return 1 */ ++ " 1: \n\t" ++ : "=r"(ret), "+U4"(*spinlock) ++ : ++ : "memory", "cc" ++ ); ++ return ret; ++} ++#endif ++#endif /* pt-machine.h */ +--- /dev/null ++++ b/libpthread/linuxthreads.old/sysdeps/ubicom32/tls.h +@@ -0,0 +1,26 @@ ++/* Definitions for thread-local data handling. linuxthreads/MIPS version. ++ Copyright (C) 2005 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _TLS_H ++#define _TLS_H ++#ifdef HAVE_TLS_SUPPORT ++#warning no tls support ++#undef USE_TLS ++#endif ++#endif /* tls.h */ +--- /dev/null ++++ b/libc/sysdeps/linux/ubicom32/sys/user.h +@@ -0,0 +1,40 @@ ++/* Copyright (C) 1998 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, write to the Free ++ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA ++ 02111-1307 USA. */ ++ ++#ifndef _SYS_USER_H ++#define _SYS_USER_H 1 ++ ++#include <features.h> ++ ++#include <asm/ptrace.h> ++ ++struct user { ++ struct pt_regs regs; /* entire machine state */ ++ size_t u_tsize; /* text size (pages) */ ++ size_t u_dsize; /* data size (pages) */ ++ size_t u_ssize; /* stack size (pages) */ ++ unsigned long start_code; /* text starting address */ ++ unsigned long start_data; /* data starting address */ ++ unsigned long start_stack; /* stack starting address */ ++ long int signal; /* signal causing core dump */ ++ struct regs * u_ar0; /* help gdb find registers */ ++ unsigned long magic; /* identifies a core file */ ++ char u_comm[32]; /* user command name */ ++}; ++ ++#endif /* _SYS_USER_H */ |