diff options
Diffstat (limited to 'toolchain/glibc/patches/mips-compile-error.patch')
| -rw-r--r-- | toolchain/glibc/patches/mips-compile-error.patch | 577 |
1 files changed, 577 insertions, 0 deletions
diff --git a/toolchain/glibc/patches/mips-compile-error.patch b/toolchain/glibc/patches/mips-compile-error.patch new file mode 100644 index 000000000..a07aab16a --- /dev/null +++ b/toolchain/glibc/patches/mips-compile-error.patch @@ -0,0 +1,577 @@ +diff -Nur glibc-2.10.1/ports/sysdeps/mips/dl-lookup.c glibc-2.10.90/ports/sysdeps/mips/dl-lookup.c +--- glibc-2.10.1/ports/sysdeps/mips/dl-lookup.c 2009-08-20 08:59:52.000000000 +0200 ++++ glibc-2.10.90/ports/sysdeps/mips/dl-lookup.c 2009-05-26 22:53:27.000000000 +0200 +@@ -1,6 +1,9 @@ + /* Look up a symbol in the loaded objects. +- MIPS/Linux version - special handling of non-PIC undefined symbol rules. +- Copyright (C) 1995-2005, 2006, 2007, 2009 Free Software Foundation, Inc. ++ MIPS/Linux version - this is identical to the common version, but ++ because it is in sysdeps/mips, it gets sysdeps/mips/do-lookup.h. ++ Using <do-lookup.h> instead of "do-lookup.h" would work too. ++ ++ Copyright (C) 1995-2005, 2006, 2007 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 +@@ -70,387 +73,8 @@ + #endif + + +-/* Inner part of the lookup functions. We return a value > 0 if we +- found the symbol, the value 0 if nothing is found and < 0 if +- something bad happened. */ +-static int +-__attribute_noinline__ +-do_lookup_x (const char *undef_name, uint_fast32_t new_hash, +- unsigned long int *old_hash, const ElfW(Sym) *ref, +- struct sym_val *result, struct r_scope_elem *scope, size_t i, +- const struct r_found_version *const version, int flags, +- struct link_map *skip, int type_class, struct link_map *undef_map) +-{ +- size_t n = scope->r_nlist; +- /* Make sure we read the value before proceeding. Otherwise we +- might use r_list pointing to the initial scope and r_nlist being +- the value after a resize. That is the only path in dl-open.c not +- protected by GSCOPE. A read barrier here might be to expensive. */ +- __asm volatile ("" : "+r" (n), "+m" (scope->r_list)); +- struct link_map **list = scope->r_list; +- +- do +- { +- /* These variables are used in the nested function. */ +- Elf_Symndx symidx; +- int num_versions = 0; +- const ElfW(Sym) *versioned_sym = NULL; +- +- const struct link_map *map = list[i]->l_real; +- +- /* Here come the extra test needed for `_dl_lookup_symbol_skip'. */ +- if (map == skip) +- continue; +- +- /* Don't search the executable when resolving a copy reloc. */ +- if ((type_class & ELF_RTYPE_CLASS_COPY) && map->l_type == lt_executable) +- continue; +- +- /* Do not look into objects which are going to be removed. */ +- if (map->l_removed) +- continue; +- +- /* Print some debugging info if wanted. */ +- if (__builtin_expect (GLRO(dl_debug_mask) & DL_DEBUG_SYMBOLS, 0)) +- _dl_debug_printf ("symbol=%s; lookup in file=%s [%lu]\n", +- undef_name, +- map->l_name[0] ? map->l_name : rtld_progname, +- map->l_ns); +- +- /* If the hash table is empty there is nothing to do here. */ +- if (map->l_nbuckets == 0) +- continue; +- +- /* The tables for this map. */ +- const ElfW(Sym) *symtab = (const void *) D_PTR (map, l_info[DT_SYMTAB]); +- const char *strtab = (const void *) D_PTR (map, l_info[DT_STRTAB]); +- +- +- /* Nested routine to check whether the symbol matches. */ +- const ElfW(Sym) * +- __attribute_noinline__ +- check_match (const ElfW(Sym) *sym) +- { +- unsigned int stt = ELFW(ST_TYPE) (sym->st_info); +- assert (ELF_RTYPE_CLASS_PLT == 1); +- /* The semantics of zero/non-zero values of undefined symbols +- differs depending on whether the non-PIC ABI is in use. +- Under the non-PIC ABI, a non-zero value indicates that +- there is an address reference to the symbol and thus it +- must always be resolved (except when resolving a jump slot +- relocation) to the PLT entry whose address is provided as +- the symbol's value; a zero value indicates that this +- canonical-address behaviour is not required. Yet under the +- classic MIPS psABI, a zero value indicates that there is an +- address reference to the function and the dynamic linker +- must resolve the symbol immediately upon loading. To avoid +- conflict, symbols for which the dynamic linker must assume +- the non-PIC ABI semantics are marked with the STO_MIPS_PLT +- flag. */ +- if (__builtin_expect ((sym->st_value == 0 /* No value. */ +- && stt != STT_TLS) +- || (sym->st_shndx == SHN_UNDEF +- && !(sym->st_other & STO_MIPS_PLT)) +- || (type_class & (sym->st_shndx == SHN_UNDEF)), +- 0)) +- return NULL; +- +- /* Ignore all but STT_NOTYPE, STT_OBJECT, STT_FUNC, +- STT_COMMON, STT_TLS, and STT_GNU_IFUNC since these are no +- code/data definitions. */ +-#define ALLOWED_STT \ +- ((1 << STT_NOTYPE) | (1 << STT_OBJECT) | (1 << STT_FUNC) \ +- | (1 << STT_COMMON) | (1 << STT_TLS) | (1 << STT_GNU_IFUNC)) +- if (__builtin_expect (((1 << stt) & ALLOWED_STT) == 0, 0)) +- return NULL; +- +- if (sym != ref && strcmp (strtab + sym->st_name, undef_name)) +- /* Not the symbol we are looking for. */ +- return NULL; +- +- const ElfW(Half) *verstab = map->l_versyms; +- if (version != NULL) +- { +- if (__builtin_expect (verstab == NULL, 0)) +- { +- /* We need a versioned symbol but haven't found any. If +- this is the object which is referenced in the verneed +- entry it is a bug in the library since a symbol must +- not simply disappear. +- +- It would also be a bug in the object since it means that +- the list of required versions is incomplete and so the +- tests in dl-version.c haven't found a problem.*/ +- assert (version->filename == NULL +- || ! _dl_name_match_p (version->filename, map)); +- +- /* Otherwise we accept the symbol. */ +- } +- else +- { +- /* We can match the version information or use the +- default one if it is not hidden. */ +- ElfW(Half) ndx = verstab[symidx] & 0x7fff; +- if ((map->l_versions[ndx].hash != version->hash +- || strcmp (map->l_versions[ndx].name, version->name)) +- && (version->hidden || map->l_versions[ndx].hash +- || (verstab[symidx] & 0x8000))) +- /* It's not the version we want. */ +- return NULL; +- } +- } +- else +- { +- /* No specific version is selected. There are two ways we +- can got here: +- +- - a binary which does not include versioning information +- is loaded +- +- - dlsym() instead of dlvsym() is used to get a symbol which +- might exist in more than one form +- +- If the library does not provide symbol version information +- there is no problem at at: we simply use the symbol if it +- is defined. +- +- These two lookups need to be handled differently if the +- library defines versions. In the case of the old +- unversioned application the oldest (default) version +- should be used. In case of a dlsym() call the latest and +- public interface should be returned. */ +- if (verstab != NULL) +- { +- if ((verstab[symidx] & 0x7fff) +- >= ((flags & DL_LOOKUP_RETURN_NEWEST) ? 2 : 3)) +- { +- /* Don't accept hidden symbols. */ +- if ((verstab[symidx] & 0x8000) == 0 +- && num_versions++ == 0) +- /* No version so far. */ +- versioned_sym = sym; +- +- return NULL; +- } +- } +- } +- +- /* There cannot be another entry for this symbol so stop here. */ +- return sym; +- } +- +- const ElfW(Sym) *sym; +- const ElfW(Addr) *bitmask = map->l_gnu_bitmask; +- if (__builtin_expect (bitmask != NULL, 1)) +- { +- ElfW(Addr) bitmask_word +- = bitmask[(new_hash / __ELF_NATIVE_CLASS) +- & map->l_gnu_bitmask_idxbits]; +- +- unsigned int hashbit1 = new_hash & (__ELF_NATIVE_CLASS - 1); +- unsigned int hashbit2 = ((new_hash >> map->l_gnu_shift) +- & (__ELF_NATIVE_CLASS - 1)); +- +- if (__builtin_expect ((bitmask_word >> hashbit1) +- & (bitmask_word >> hashbit2) & 1, 0)) +- { +- Elf32_Word bucket = map->l_gnu_buckets[new_hash +- % map->l_nbuckets]; +- if (bucket != 0) +- { +- const Elf32_Word *hasharr = &map->l_gnu_chain_zero[bucket]; +- +- do +- if (((*hasharr ^ new_hash) >> 1) == 0) +- { +- symidx = hasharr - map->l_gnu_chain_zero; +- sym = check_match (&symtab[symidx]); +- if (sym != NULL) +- goto found_it; +- } +- while ((*hasharr++ & 1u) == 0); +- } +- } +- /* No symbol found. */ +- symidx = SHN_UNDEF; +- } +- else +- { +- if (*old_hash == 0xffffffff) +- *old_hash = _dl_elf_hash (undef_name); +- +- /* Use the old SysV-style hash table. Search the appropriate +- hash bucket in this object's symbol table for a definition +- for the same symbol name. */ +- for (symidx = map->l_buckets[*old_hash % map->l_nbuckets]; +- symidx != STN_UNDEF; +- symidx = map->l_chain[symidx]) +- { +- sym = check_match (&symtab[symidx]); +- if (sym != NULL) +- goto found_it; +- } +- } +- +- /* If we have seen exactly one versioned symbol while we are +- looking for an unversioned symbol and the version is not the +- default version we still accept this symbol since there are +- no possible ambiguities. */ +- sym = num_versions == 1 ? versioned_sym : NULL; +- +- if (sym != NULL) +- { +- found_it: +- switch (__builtin_expect (ELFW(ST_BIND) (sym->st_info), STB_GLOBAL)) +- { +- case STB_WEAK: +- /* Weak definition. Use this value if we don't find another. */ +- if (__builtin_expect (GLRO(dl_dynamic_weak), 0)) +- { +- if (! result->s) +- { +- result->s = sym; +- result->m = (struct link_map *) map; +- } +- break; +- } +- /* FALLTHROUGH */ +- case STB_GLOBAL: +- success: +- /* Global definition. Just what we need. */ +- result->s = sym; +- result->m = (struct link_map *) map; +- return 1; +- +- case STB_GNU_UNIQUE:; +- /* We have to determine whether we already found a +- symbol with this name before. If not then we have to +- add it to the search table. If we already found a +- definition we have to use it. */ +- void enter (struct unique_sym *table, size_t size, +- unsigned int hash, const char *name, +- const ElfW(Sym) *sym, const struct link_map *map) +- { +- size_t idx = hash % size; +- size_t hash2 = 1 + hash % (size - 2); +- while (1) +- { +- if (table[idx].hashval == 0) +- { +- table[idx].hashval = hash; +- table[idx].name = strtab + sym->st_name; +- if ((type_class & ELF_RTYPE_CLASS_COPY) != 0) +- { +- table[idx].sym = ref; +- table[idx].map = undef_map; +- } +- else +- { +- table[idx].sym = sym; +- table[idx].map = map; +- } +- return; +- } +- +- idx += hash2; +- if (idx >= size) +- idx -= size; +- } +- } +- +- struct unique_sym_table *tab +- = &GL(dl_ns)[map->l_ns]._ns_unique_sym_table; +- +- __rtld_lock_lock_recursive (tab->lock); +- +- struct unique_sym *entries = tab->entries; +- size_t size = tab->size; +- if (entries != NULL) +- { +- size_t idx = new_hash % size; +- size_t hash2 = 1 + new_hash % (size - 2); +- while (1) +- { +- if (entries[idx].hashval == new_hash +- && strcmp (entries[idx].name, undef_name) == 0) +- { +- result->s = entries[idx].sym; +- result->m = (struct link_map *) entries[idx].map; +- __rtld_lock_unlock_recursive (tab->lock); +- return 1; +- } +- +- if (entries[idx].hashval == 0 +- && entries[idx].name == NULL) +- break; +- +- idx += hash2; +- if (idx >= size) +- idx -= size; +- } +- +- if (size * 3 <= tab->n_elements) +- { +- /* Expand the table. */ +- size_t newsize = _dl_higher_prime_number (size); +- struct unique_sym *newentries +- = calloc (sizeof (struct unique_sym), newsize); +- if (newentries == NULL) +- { +- nomem: +- __rtld_lock_unlock_recursive (tab->lock); +- _dl_fatal_printf ("out of memory\n"); +- } +- +- for (idx = 0; idx < size; ++idx) +- if (entries[idx].hashval != 0) +- enter (newentries, newsize, entries[idx].hashval, +- entries[idx].name, entries[idx].sym, +- entries[idx].map); +- +- tab->free (entries); +- tab->size = newsize; +- entries = tab->entries = newentries; +- tab->free = free; +- } +- } +- else +- { +-#define INITIAL_NUNIQUE_SYM_TABLE 31 +- size = INITIAL_NUNIQUE_SYM_TABLE; +- entries = calloc (sizeof (struct unique_sym), size); +- if (entries == NULL) +- goto nomem; +- +- tab->entries = entries; +- tab->size = size; +- tab->free = free; +- } +- +- enter (entries, size, new_hash, strtab + sym->st_name, sym, map); +- ++tab->n_elements; +- +- __rtld_lock_unlock_recursive (tab->lock); +- +- goto success; +- +- default: +- /* Local symbols are ignored. */ +- break; +- } +- } +- +- /* If this current map is the one mentioned in the verneed entry +- and we have not found a weak entry, it is a bug. */ +- if (symidx == STN_UNDEF && version != NULL && version->filename != NULL +- && __builtin_expect (_dl_name_match_p (version->filename, map), 0)) +- return -1; +- } +- while (++i < n); +- +- /* We have not found anything until now. */ +- return 0; +-} ++/* The actual lookup code. */ ++#include "do-lookup.h" + + + static uint_fast32_t +@@ -717,7 +341,7 @@ + { + int res = do_lookup_x (undef_name, new_hash, &old_hash, *ref, + ¤t_value, *scope, start, version, flags, +- skip_map, type_class, undef_map); ++ skip_map, type_class); + if (res > 0) + break; + +@@ -790,7 +414,7 @@ + for (scope = symbol_scope; *scope != NULL; i = 0, ++scope) + if (do_lookup_x (undef_name, new_hash, &old_hash, *ref, + &protected_value, *scope, i, version, flags, +- skip_map, ELF_RTYPE_CLASS_PLT, NULL) != 0) ++ skip_map, ELF_RTYPE_CLASS_PLT) != 0) + break; + + if (protected_value.s != NULL && protected_value.m != undef_map) +@@ -916,26 +540,21 @@ + + do_lookup_x (undef_name, new_hash, &old_hash, *ref, &val, + undef_map->l_local_scope[0], 0, version, 0, NULL, +- type_class, undef_map); ++ type_class); + + if (val.s != value->s || val.m != value->m) + conflict = 1; + } + +- if (value->s) +- { +- if (__builtin_expect (ELFW(ST_TYPE) (value->s->st_info) +- == STT_TLS, 0)) +- type_class = 4; +- else if (__builtin_expect (ELFW(ST_TYPE) (value->s->st_info) +- == STT_GNU_IFUNC, 0)) +- type_class |= 8; +- } ++ if (value->s ++ && (__builtin_expect (ELFW(ST_TYPE) (value->s->st_info) ++ == STT_TLS, 0))) ++ type_class = 4; + + if (conflict + || GLRO(dl_trace_prelink_map) == undef_map + || GLRO(dl_trace_prelink_map) == NULL +- || type_class >= 4) ++ || type_class == 4) + { + _dl_printf ("%s 0x%0*Zx 0x%0*Zx -> 0x%0*Zx 0x%0*Zx ", + conflict ? "conflict" : "lookup", +diff -Nur glibc-2.10.1/ports/sysdeps/mips/do-lookup.h glibc-2.10.90/ports/sysdeps/mips/do-lookup.h +--- glibc-2.10.1/ports/sysdeps/mips/do-lookup.h 1970-01-01 01:00:00.000000000 +0100 ++++ glibc-2.10.90/ports/sysdeps/mips/do-lookup.h 2009-05-26 22:53:27.000000000 +0200 +@@ -0,0 +1,37 @@ ++/* MIPS-specific veneer to GLIBC's do-lookup.h. ++ Copyright (C) 2008 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. */ ++ ++/* The semantics of zero/non-zero values of undefined symbols differs ++ depending on whether the non-PIC ABI is in use. Under the non-PIC ABI, ++ a non-zero value indicates that there is an address reference to the ++ symbol and thus it must always be resolved (except when resolving a jump ++ slot relocation) to the PLT entry whose address is provided as the ++ symbol's value; a zero value indicates that this canonical-address ++ behaviour is not required. Yet under the classic MIPS psABI, a zero value ++ indicates that there is an address reference to the function and the ++ dynamic linker must resolve the symbol immediately upon loading. To ++ avoid conflict, symbols for which the dynamic linker must assume the ++ non-PIC ABI semantics are marked with the STO_MIPS_PLT flag. The ++ following ugly hack causes the code in the platform-independent ++ do-lookup.h file to check this flag correctly. */ ++#define st_value st_shndx == SHN_UNDEF && !(sym->st_other & STO_MIPS_PLT)) \ ++ || (sym->st_value ++#include_next "do-lookup.h" ++#undef st_value ++ +diff -Nur glibc-2.10.1/ports/sysdeps/mips/__longjmp.c glibc-2.10.90/ports/sysdeps/mips/__longjmp.c +--- glibc-2.10.1/ports/sysdeps/mips/__longjmp.c 2009-08-20 08:59:52.000000000 +0200 ++++ glibc-2.10.90/ports/sysdeps/mips/__longjmp.c 2009-05-26 22:53:26.000000000 +0200 +@@ -25,19 +25,19 @@ + #endif + + void +-__longjmp (env_arg, val_arg) +- __jmp_buf env_arg; ++__longjmp (env, val_arg) ++ __jmp_buf env; + int val_arg; + { + /* gcc 1.39.19 miscompiled the longjmp routine (as it did setjmp before + the hack around it); force it to use $a1 for the longjmp value. + Without this it saves $a1 in a register which gets clobbered + along the way. */ +- register struct __jmp_buf_internal_tag *env asm ("a0"); + register int val asm ("a1"); + #ifdef CHECK_SP + register long sp asm ("$29"); +- CHECK_SP (env[0].__sp, sp, long); ++ if ((long) (env[0].__sp) < sp) ++ __fortify_fail ("longjmp causes uninitialized stack frame"); + #endif + + #ifdef __mips_hard_float +diff -Nur glibc-2.10.1/ports/sysdeps/mips/____longjmp_chk.c glibc-2.10.90/ports/sysdeps/mips/____longjmp_chk.c +--- glibc-2.10.1/ports/sysdeps/mips/____longjmp_chk.c 1970-01-01 01:00:00.000000000 +0100 ++++ glibc-2.10.90/ports/sysdeps/mips/____longjmp_chk.c 2009-05-26 22:53:26.000000000 +0200 +@@ -0,0 +1,22 @@ ++/* Copyright (C) 2009 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 <stdio.h> ++#define __longjmp ____longjmp_chk ++#define CHECK_SP ++#include <__longjmp.c> +diff -Nur glibc-2.10.1/ports/sysdeps/mips/mips64/__longjmp.c glibc-2.10.90/ports/sysdeps/mips/mips64/__longjmp.c +--- glibc-2.10.1/ports/sysdeps/mips/mips64/__longjmp.c 2009-08-20 08:59:52.000000000 +0200 ++++ glibc-2.10.90/ports/sysdeps/mips/mips64/__longjmp.c 2009-05-26 22:53:27.000000000 +0200 +@@ -27,19 +27,19 @@ + #endif + + void +-__longjmp (env_arg, val_arg) +- __jmp_buf env_arg; ++__longjmp (env, val_arg) ++ __jmp_buf env; + int val_arg; + { + /* gcc 1.39.19 miscompiled the longjmp routine (as it did setjmp before + the hack around it); force it to use $a1 for the longjmp value. + Without this it saves $a1 in a register which gets clobbered + along the way. */ +- register struct __jmp_buf_internal_tag *env asm ("a0"); + register int val asm ("a1"); + #ifdef CHECK_SP + register long long sp asm ("$29"); +- CHECK_SP (env[0].__sp, sp, long long); ++ if ((long long) (env[0].__sp) < sp) ++ __fortify_fail ("longjmp causes uninitialized stack frame"); + #endif + + #ifdef __mips_hard_float |