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* elf/dynamic-link.h (elf_get_dynamic_info): Take new argument with
	load address.  Relocate d_ptr in DT_DTRTAB, DT_SYMTAB, DT_RELA, DT_REL,
	DT_JMPREL, DT_PLTGOT, and DT_VERSYM l_info entry.
	(_ELF_DYNAMIC_DO_RELOC): Take extra argument which specifies whether
	rel and rela relocations can both happen and skip one test if this
	is not possible.
	(ELF_DYNAMIC_DO_RELA, ELF_DYNAMIC_DO_REL): Call _ELF_DYNAMIC_DO_RELOC
	appropriately.
	* elf/dl-addr.c (_dl_addr): DT_SYMTAB and DT_STRTAB entries are
	already relocated.
	* elf/dl-deps.c (_dl_map_object_deps): DT_STRTAB entry is already
	relocated.
	* elf/dl-load.c (_dl_init_paths): DT_STRTAB entry is already relocated.
	(_dl_map_object_from_fd): Call elf_get_dynamic_info with new argument.
	(_dl_map_object): DT_STRTAB entry is already relocated.
	* elf/dl-lookup.c (do_lookup): DT_STRTAB and DT_SYMTAB entries are
	already relocated.
	* elf/dl-reloc.c (_dl_relocate_object): DT_STRTAB entry is already
	relocated.
	* elf/dl-runtime.c (fixup): DT_SYMTAB, DT_STRTAB, DT_JMPREL, and
	DT_VERSYM entries are already relocated.
	(profile_fixup): Likewise.
	* elf/dl-version.c: Rename VERSTAG macro into VERSYMIDX.  Replace
	all users.
	(match_symbol): DT_STRTAB entry is already relocated.
	(_dl_check_map_versions): Likewise.  Also fo DT_VERSYM.
	* elf/do-rel.h (elf_dynamic_do_rel): reladdr is now assumed to be
	relocated already.  DT_SYMTAB and DT_VERSYM entries are also relocated.
	* elf/rtld.c (_dl_start): Pass extra argument to elf_get_dynamic_info.
	(find_needed): DT_STRTAB entry is already relocated.
	(dl_main): Pass extra argument to elf_get_dynamic_info.
	DT_STRTAB entry is already relocated.
	* sysdeps/alpha/dl-machine.h (elf_machine_fixup_plt): DT_JMPREL and
	DT_PLTGOT entries are already relocated.
	(elf_machine_rela): Likewise for DT_SYMTAB.
	* sysdeps/arm/dl-machine.h (elf_machine_rel): DT_STRTAB is already
	relocated.
	* sysdeps/i386/dl-machine.h (elf_machine_rel): Likewise.
	* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
	* sysdeps/powerpc/dl-machine.c (__process_machine_rela): Likewise.
	* sysdeps/mips/dl-machine.h (elf_machine_got_rel): Likewise.
	(elf_machine_got_rel): Likewise for DT_SYMTAB and DT_STRTAB.

	* grp/initgroups.c (initgroups): If function in current module was
	successful don't stop but continue to process to get all the groups.
This commit is contained in:
Ulrich Drepper 1999-02-20 15:02:24 +00:00
parent 24d6084042
commit f420344cef
20 changed files with 196 additions and 127 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
ChangeLog
View file

@ -1,5 +1,53 @@
1999-02-20 Ulrich Drepper <drepper@cygnus.com>
* elf/dynamic-link.h (elf_get_dynamic_info): Take new argument with
load address. Relocate d_ptr in DT_DTRTAB, DT_SYMTAB, DT_RELA, DT_REL,
DT_JMPREL, DT_PLTGOT, and DT_VERSYM l_info entry.
(_ELF_DYNAMIC_DO_RELOC): Take extra argument which specifies whether
rel and rela relocations can both happen and skip one test if this
is not possible.
(ELF_DYNAMIC_DO_RELA, ELF_DYNAMIC_DO_REL): Call _ELF_DYNAMIC_DO_RELOC
appropriately.
* elf/dl-addr.c (_dl_addr): DT_SYMTAB and DT_STRTAB entries are
already relocated.
* elf/dl-deps.c (_dl_map_object_deps): DT_STRTAB entry is already
relocated.
* elf/dl-load.c (_dl_init_paths): DT_STRTAB entry is already relocated.
(_dl_map_object_from_fd): Call elf_get_dynamic_info with new argument.
(_dl_map_object): DT_STRTAB entry is already relocated.
* elf/dl-lookup.c (do_lookup): DT_STRTAB and DT_SYMTAB entries are
already relocated.
* elf/dl-reloc.c (_dl_relocate_object): DT_STRTAB entry is already
relocated.
* elf/dl-runtime.c (fixup): DT_SYMTAB, DT_STRTAB, DT_JMPREL, and
DT_VERSYM entries are already relocated.
(profile_fixup): Likewise.
* elf/dl-version.c: Rename VERSTAG macro into VERSYMIDX. Replace
all users.
(match_symbol): DT_STRTAB entry is already relocated.
(_dl_check_map_versions): Likewise. Also fo DT_VERSYM.
* elf/do-rel.h (elf_dynamic_do_rel): reladdr is now assumed to be
relocated already. DT_SYMTAB and DT_VERSYM entries are also relocated.
* elf/rtld.c (_dl_start): Pass extra argument to elf_get_dynamic_info.
(find_needed): DT_STRTAB entry is already relocated.
(dl_main): Pass extra argument to elf_get_dynamic_info.
DT_STRTAB entry is already relocated.
* sysdeps/alpha/dl-machine.h (elf_machine_fixup_plt): DT_JMPREL and
DT_PLTGOT entries are already relocated.
(elf_machine_rela): Likewise for DT_SYMTAB.
* sysdeps/arm/dl-machine.h (elf_machine_rel): DT_STRTAB is already
relocated.
* sysdeps/i386/dl-machine.h (elf_machine_rel): Likewise.
* sysdeps/m68k/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc32/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/sparc/sparc64/dl-machine.h (elf_machine_rela): Likewise.
* sysdeps/powerpc/dl-machine.c (__process_machine_rela): Likewise.
* sysdeps/mips/dl-machine.h (elf_machine_got_rel): Likewise.
(elf_machine_got_rel): Likewise for DT_SYMTAB and DT_STRTAB.
* grp/initgroups.c (initgroups): If function in current module was
successful don't stop but continue to process to get all the groups.
* elf/dl-load.c (_dl_map_object_from_fd): Use global
_dl_pf_to_proot array to convert p_flags value.
* elf/dl-reloc.c (_dl_relocate_object): Likewise.

6
elf/dl-addr.c
View file

@ -1,5 +1,5 @@
/* Locate the shared object symbol nearest a given address.
Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 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
@ -62,8 +62,8 @@ _dl_addr (const void *address, Dl_info *info)
info->dli_fname = match->l_name;
info->dli_fbase = (void *) match->l_addr;
symtab = ((void *) match->l_addr + match->l_info[DT_SYMTAB]->d_un.d_ptr);
strtab = ((void *) match->l_addr + match->l_info[DT_STRTAB]->d_un.d_ptr);
symtab = (const void *) match->l_info[DT_SYMTAB]->d_un.d_ptr;
strtab = (const void *) match->l_info[DT_STRTAB]->d_un.d_ptr;
/* We assume that the string table follows the symbol table, because
there is no way in ELF to know the size of the dynamic symbol table!! */

3
elf/dl-deps.c
View file

@ -149,8 +149,7 @@ _dl_map_object_deps (struct link_map *map,
if (l->l_info[DT_NEEDED] || l->l_info[AUXTAG] || l->l_info[FILTERTAG])
{
const char *strtab = ((void *) l->l_addr
+ l->l_info[DT_STRTAB]->d_un.d_ptr);
const char *strtab = (const void *) l->l_info[DT_STRTAB]->d_un.d_ptr;
struct openaux_args args;
struct list *orig;
const ElfW(Dyn) *d;

14
elf/dl-load.c
View file

@ -531,9 +531,9 @@ _dl_init_paths (const char *llp)
/* Allocate room for the search path and fill in information
from RPATH. */
l->l_rpath_dirs =
decompose_rpath ((const char *)
(l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr
+ l->l_info[DT_RPATH]->d_un.d_val), l);
decompose_rpath ((const void *) (l->l_info[DT_STRTAB]->d_un.d_ptr
+ l->l_info[DT_RPATH]->d_un.d_val),
l);
else
l->l_rpath_dirs = NULL;
}
@ -983,7 +983,7 @@ _dl_map_object_from_fd (const char *name, int fd, char *realname,
" phnum: ", buf3, "\n\n", NULL);
}
elf_get_dynamic_info (l->l_ld, l->l_info);
elf_get_dynamic_info (l->l_ld, l->l_addr, l->l_info);
if (l->l_info[DT_HASH])
_dl_setup_hash (l);
@ -1208,8 +1208,7 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
if (l->l_info[DT_SONAME] == NULL)
continue;
soname = (const char *) (l->l_addr
+ l->l_info[DT_STRTAB]->d_un.d_ptr
soname = (const void *) (l->l_info[DT_STRTAB]->d_un.d_ptr
+ l->l_info[DT_SONAME]->d_un.d_val);
if (strcmp (name, soname) != 0)
continue;
@ -1248,8 +1247,7 @@ _dl_map_object (struct link_map *loader, const char *name, int preloaded,
/* Make sure the cache information is available. */
if (l->l_rpath_dirs == NULL)
{
size_t ptrval = (l->l_addr
+ l->l_info[DT_STRTAB]->d_un.d_ptr
size_t ptrval = (l->l_info[DT_STRTAB]->d_un.d_ptr
+ l->l_info[DT_RPATH]->d_un.d_val);
l->l_rpath_dirs =
decompose_rpath ((const char *) ptrval, l);

4
elf/dl-lookup.c
View file

@ -110,8 +110,8 @@ do_lookup (const char *undef_name, unsigned long int hash,
map->l_name[0] ? map->l_name : _dl_argv[0],
"\n", NULL);
symtab = ((void *) map->l_addr + map->l_info[DT_SYMTAB]->d_un.d_ptr);
strtab = ((void *) map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
symtab = (const void *) map->l_info[DT_SYMTAB]->d_un.d_ptr;
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
verstab = map->l_versyms;
/* Search the appropriate hash bucket in this object's symbol table

4
elf/dl-reloc.c
View file

@ -66,8 +66,8 @@ _dl_relocate_object (struct link_map *l, struct r_scope_elem *scope[],
{
/* Do the actual relocation of the object's GOT and other data. */
const char *strtab /* String table object symbols. */
= ((void *) l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);
/* String table object symbols. */
const char *strtab = (const void *) l->l_info[DT_STRTAB]->d_un.d_ptr;
/* This macro is used as a callback from the ELF_DYNAMIC_RELOCATE code. */
#define RESOLVE(ref, version, flags) \

26
elf/dl-runtime.c
View file

@ -1,5 +1,5 @@
/* On-demand PLT fixup for shared objects.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 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
@ -48,13 +48,11 @@ fixup (
struct link_map *l, ElfW(Word) reloc_offset)
{
const ElfW(Sym) *const symtab
= (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);
const char *strtab =
(const char *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);
= (const void *) l->l_info[DT_SYMTAB]->d_un.d_ptr;
const char *strtab = (const void *) l->l_info[DT_STRTAB]->d_un.d_ptr;
const PLTREL *const reloc
= (const void *) (l->l_addr + l->l_info[DT_JMPREL]->d_un.d_ptr +
reloc_offset);
= (const void *) (l->l_info[DT_JMPREL]->d_un.d_ptr + reloc_offset);
const ElfW(Sym) *sym = &symtab[ELFW(R_SYM) (reloc->r_info)];
void *const rel_addr = (void *)(l->l_addr + reloc->r_offset);
ElfW(Addr) value;
@ -67,8 +65,8 @@ fixup (
{
default:
{
const ElfW(Half) *vernum = (const ElfW(Half) *)
(l->l_addr + l->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr);
const ElfW(Half) *vernum =
(const void *) l->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr;
ElfW(Half) ndx = vernum[ELFW(R_SYM) (reloc->r_info)];
const struct r_found_version *version = &l->l_versions[ndx];
@ -121,13 +119,11 @@ profile_fixup (
{
/* This is the first time we have to relocate this object. */
const ElfW(Sym) *const symtab
= (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr);
const char *strtab =
(const char *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr);
= (const void *) l->l_info[DT_SYMTAB]->d_un.d_ptr;
const char *strtab = (const void *) l->l_info[DT_STRTAB]->d_un.d_ptr;
const PLTREL *const reloc
= (const void *) (l->l_addr + l->l_info[DT_JMPREL]->d_un.d_ptr +
reloc_offset);
= (const void *) (l->l_info[DT_JMPREL]->d_un.d_ptr + reloc_offset);
const ElfW(Sym) *sym = &symtab[ELFW(R_SYM) (reloc->r_info)];
/* Sanity check that we're really looking at a PLT relocation. */
@ -138,8 +134,8 @@ profile_fixup (
{
default:
{
const ElfW(Half) *vernum = (const ElfW(Half) *)
(l->l_addr + l->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr);
const ElfW(Half) *vernum =
(const void *) l->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr;
ElfW(Half) ndx = vernum[ELFW(R_SYM) (reloc->r_info)];
const struct r_found_version *version = &l->l_versions[ndx];

23
elf/dl-version.c
View file

@ -1,5 +1,5 @@
/* Handle symbol and library versioning.
Copyright (C) 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@ -28,7 +28,9 @@
#include <assert.h>
#define VERSTAG(tag) (DT_NUM + DT_PROCNUM + DT_VERSIONTAGIDX (tag))
#ifndef VERSYMIDX
# define VERSYMIDX(tag) (DT_NUM + DT_PROCNUM + DT_VERSIONTAGIDX (tag))
#endif
#define make_string(string, rest...) \
@ -75,8 +77,7 @@ internal_function
match_symbol (const char *name, ElfW(Word) hash, const char *string,
struct link_map *map, int verbose, int weak)
{
const char *strtab = (const char *) (map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
const char *strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
ElfW(Addr) def_offset;
ElfW(Verdef) *def;
@ -86,7 +87,7 @@ match_symbol (const char *name, ElfW(Word) hash, const char *string,
map->l_name[0] ? map->l_name : _dl_argv[0],
" required by file ", name, "\n", NULL);
if (map->l_info[VERSTAG (DT_VERDEF)] == NULL)
if (map->l_info[VERSYMIDX (DT_VERDEF)] == NULL)
{
/* The file has no symbol versioning. I.e., the dependent
object was linked against another version of this file. We
@ -98,7 +99,7 @@ no version information available (required by ",
return 0;
}
def_offset = map->l_info[VERSTAG (DT_VERDEF)]->d_un.d_ptr;
def_offset = map->l_info[VERSYMIDX (DT_VERDEF)]->d_un.d_ptr;
assert (def_offset != 0);
def = (ElfW(Verdef) *) ((char *) map->l_addr + def_offset);
@ -173,10 +174,10 @@ _dl_check_map_versions (struct link_map *map, int verbose)
/* If we don't have a string table, we must be ok. */
if (map->l_info[DT_STRTAB] == NULL)
return 0;
strtab = (const char *) (map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
dyn = map->l_info[VERSTAG (DT_VERNEED)];
def = map->l_info[VERSTAG (DT_VERDEF)];
dyn = map->l_info[VERSYMIDX (DT_VERNEED)];
def = map->l_info[VERSYMIDX (DT_VERDEF)];
if (dyn != NULL)
{
@ -282,8 +283,8 @@ _dl_check_map_versions (struct link_map *map, int verbose)
map->l_nversions = ndx_high + 1;
/* Compute the pointer to the version symbols. */
map->l_versyms = ((void *) map->l_addr
+ map->l_info[VERSTAG (DT_VERSYM)]->d_un.d_ptr);
map->l_versyms =
(void *) map->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr;
if (dyn != NULL)
{

11
elf/do-rel.h
View file

@ -1,5 +1,5 @@
/* Do relocations for ELF dynamic linking.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 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
@ -40,8 +40,8 @@ elf_dynamic_do_rel (struct link_map *map,
ElfW(Addr) reladdr, ElfW(Addr) relsize,
int lazy)
{
const ElfW(Rel) *r = (const ElfW(Rel) *)(map->l_addr + reladdr);
const ElfW(Rel) *end = (const ElfW(Rel) *)(map->l_addr + reladdr + relsize);
const ElfW(Rel) *r = (const void *) reladdr;
const ElfW(Rel) *end = (const void *) (reladdr + relsize);
if (lazy)
{
@ -53,13 +53,12 @@ elf_dynamic_do_rel (struct link_map *map,
else
{
const ElfW(Sym) *const symtab =
(const ElfW(Sym) *) (map->l_addr + map->l_info[DT_SYMTAB]->d_un.d_ptr);
(const void *) map->l_info[DT_SYMTAB]->d_un.d_ptr;
if (map->l_info[VERSYMIDX (DT_VERSYM)])
{
const ElfW(Half) *const version =
(const ElfW(Half) *) (map->l_addr
+ map->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr);
(const void *) map->l_info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr;
for (; r < end; ++r)
{

109
elf/dynamic-link.h
View file

@ -21,6 +21,10 @@
#include <dl-machine.h>
#include <assert.h>
#ifndef VERSYMIDX
# define VERSYMIDX(sym) (DT_NUM + DT_PROCNUM + DT_VERSIONTAGIDX (sym))
#endif
/* Global read-only variable defined in rtld.c which is nonzero if we
shall give more warning messages. */
@ -30,13 +34,10 @@ extern int _dl_verbose __attribute__ ((unused));
/* Read the dynamic section at DYN and fill in INFO with indices DT_*. */
static inline void __attribute__ ((unused))
elf_get_dynamic_info (ElfW(Dyn) *dyn,
elf_get_dynamic_info (ElfW(Dyn) *dyn, ElfW(Addr) l_addr,
ElfW(Dyn) *info[DT_NUM + DT_PROCNUM + DT_VERSIONTAGNUM
+ DT_EXTRANUM])
{
memset (info, '\0', ((DT_NUM + DT_PROCNUM + DT_VERSIONTAGNUM + DT_EXTRANUM)
* sizeof (ElfW(Dyn) *)));
if (! dyn)
return;
@ -48,7 +49,7 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
dyn->d_tag < DT_LOPROC + DT_PROCNUM)
info[dyn->d_tag - DT_LOPROC + DT_NUM] = dyn;
else if ((Elf32_Word) DT_VERSIONTAGIDX (dyn->d_tag) < DT_VERSIONTAGNUM)
info[DT_VERSIONTAGIDX (dyn->d_tag) + DT_NUM + DT_PROCNUM] = dyn;
info[VERSYMIDX (dyn->d_tag)] = dyn;
else if ((Elf32_Word) DT_EXTRATAGIDX (dyn->d_tag) < DT_EXTRANUM)
info[DT_EXTRATAGIDX (dyn->d_tag) + DT_NUM + DT_PROCNUM
+ DT_VERSIONTAGNUM] = dyn;
@ -57,13 +58,41 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
++dyn;
}
if (info[DT_RELA])
assert (info[DT_RELAENT]->d_un.d_val == sizeof (ElfW(Rela)));
if (info[DT_REL])
assert (info[DT_RELENT]->d_un.d_val == sizeof (ElfW(Rel)));
if (info[DT_PLTREL])
assert (info[DT_PLTREL]->d_un.d_val == DT_REL ||
info[DT_PLTREL]->d_un.d_val == DT_RELA);
if (info[DT_PLTGOT] != NULL)
info[DT_PLTGOT]->d_un.d_ptr += l_addr;
if (info[DT_STRTAB] != NULL)
info[DT_STRTAB]->d_un.d_ptr += l_addr;
if (info[DT_SYMTAB] != NULL)
info[DT_SYMTAB]->d_un.d_ptr += l_addr;
#if ! ELF_MACHINE_NO_RELA
if (info[DT_RELA] != NULL)
{
assert (info[DT_RELAENT]->d_un.d_val == sizeof (ElfW(Rela)));
info[DT_RELA]->d_un.d_ptr += l_addr;
}
#endif
#if ! ELF_MACHINE_NO_REL
if (info[DT_REL] != NULL)
{
assert (info[DT_RELENT]->d_un.d_val == sizeof (ElfW(Rel)));
info[DT_REL]->d_un.d_ptr += l_addr;
}
#endif
if (info[DT_PLTREL] != NULL)
{
#if ELF_MACHINE_NO_RELA
assert (info[DT_PLTREL]->d_un.d_val == DT_REL);
#elif ELF_MACHINE_NO_REL
assert (info[DT_PLTREL]->d_un.d_val == DT_RELA);
#else
assert (info[DT_PLTREL]->d_un.d_val == DT_REL
|| info[DT_PLTREL]->d_un.d_val == DT_RELA);
#endif
}
if (info[DT_JMPREL] != NULL)
info[DT_JMPREL]->d_un.d_ptr += l_addr;
if (info[VERSYMIDX (DT_VERSYM)] != NULL)
info[VERSYMIDX (DT_VERSYM)]->d_un.d_ptr += l_addr;
}
#ifdef RESOLVE
@ -73,13 +102,13 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
duplicating their code. It cannot be done in a more general function
because we must be able to completely inline. */
/* On some machines, notably Sparc, DT_REL* includes DT_JMPREL in its
/* On some machines, notably SPARC, DT_REL* includes DT_JMPREL in its
range. Note that according to the ELF spec, this is completely legal!
But conditionally define things so that on machines we know this will
not happen we do something more optimal. */
#ifdef ELF_MACHINE_PLTREL_OVERLAP
#define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy) \
# ifdef ELF_MACHINE_PLTREL_OVERLAP
# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, test_rel) \
do { \
struct { ElfW(Addr) start, size; int lazy; } ranges[3]; \
int ranges_index; \
@ -96,7 +125,7 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
\
if ((do_lazy) \
&& (map)->l_info[DT_PLTREL] \
&& (map)->l_info[DT_PLTREL]->d_un.d_val == DT_##RELOC) \
&& (!test_rel || (map)->l_info[DT_PLTREL]->d_un.d_val == DT_##RELOC)) \
{ \
ranges[1].start = (map)->l_info[DT_JMPREL]->d_un.d_ptr; \
ranges[1].size = (map)->l_info[DT_PLTRELSZ]->d_un.d_val; \
@ -111,8 +140,8 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
ranges[ranges_index].size, \
ranges[ranges_index].lazy); \
} while (0)
#else
#define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy) \
# else
# define _ELF_DYNAMIC_DO_RELOC(RELOC, reloc, map, do_lazy, test_rel) \
do { \
struct { ElfW(Addr) start, size; int lazy; } ranges[2]; \
int ranges_index; \
@ -125,8 +154,8 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
ranges[0].start = (map)->l_info[DT_##RELOC]->d_un.d_ptr; \
ranges[0].size = (map)->l_info[DT_##RELOC##SZ]->d_un.d_val; \
} \
if ((map)->l_info[DT_PLTREL] && \
(map)->l_info[DT_PLTREL]->d_un.d_val == DT_##RELOC) \
if ((map)->l_info[DT_PLTREL] \
&& (!test_rel || (map)->l_info[DT_PLTREL]->d_un.d_val == DT_##RELOC)) \
{ \
ElfW(Addr) start = (map)->l_info[DT_JMPREL]->d_un.d_ptr; \
\
@ -151,28 +180,34 @@ elf_get_dynamic_info (ElfW(Dyn) *dyn,
ranges[ranges_index].size, \
ranges[ranges_index].lazy); \
} while (0)
#endif
# endif
#if ! ELF_MACHINE_NO_REL
#include "do-rel.h"
#define ELF_DYNAMIC_DO_REL(map, lazy) \
_ELF_DYNAMIC_DO_RELOC (REL, rel, map, lazy)
#else
#define ELF_DYNAMIC_DO_REL(map, lazy) /* Nothing to do. */
#endif
# if ELF_MACHINE_NO_REL || ELF_MACHINE_NO_RELA
# define _ELF_CHECK_REL 0
# else
# define _ELF_CHECK_REL 1
# endif
#if ! ELF_MACHINE_NO_RELA
#define DO_RELA
#include "do-rel.h"
#define ELF_DYNAMIC_DO_RELA(map, lazy) \
_ELF_DYNAMIC_DO_RELOC (RELA, rela, map, lazy)
#else
#define ELF_DYNAMIC_DO_RELA(map, lazy) /* Nothing to do. */
#endif
# if ! ELF_MACHINE_NO_REL
# include "do-rel.h"
# define ELF_DYNAMIC_DO_REL(map, lazy) \
_ELF_DYNAMIC_DO_RELOC (REL, rel, map, lazy, _ELF_CHECK_REL)
# else
# define ELF_DYNAMIC_DO_REL(map, lazy) /* Nothing to do. */
# endif
# if ! ELF_MACHINE_NO_RELA
# define DO_RELA
# include "do-rel.h"
# define ELF_DYNAMIC_DO_RELA(map, lazy) \
_ELF_DYNAMIC_DO_RELOC (RELA, rela, map, lazy, _ELF_CHECK_REL)
# else
# define ELF_DYNAMIC_DO_RELA(map, lazy) /* Nothing to do. */
# endif
/* This can't just be an inline function because GCC is too dumb
to inline functions containing inlines themselves. */
#define ELF_DYNAMIC_RELOCATE(map, lazy, consider_profile) \
# define ELF_DYNAMIC_RELOCATE(map, lazy, consider_profile) \
do { \
int edr_lazy = elf_machine_runtime_setup ((map), (lazy), \
(consider_profile)); \

14
elf/rtld.c
View file

@ -1,5 +1,5 @@
/* Run time dynamic linker.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 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
@ -156,7 +156,8 @@ _dl_start (void *arg)
/* Read our own dynamic section and fill in the info array. */
bootstrap_map.l_ld = (void *) bootstrap_map.l_addr + elf_machine_dynamic ();
elf_get_dynamic_info (bootstrap_map.l_ld, bootstrap_map.l_info);
elf_get_dynamic_info (bootstrap_map.l_ld, bootstrap_map.l_addr,
bootstrap_map.l_info);
#ifdef ELF_MACHINE_BEFORE_RTLD_RELOC
ELF_MACHINE_BEFORE_RTLD_RELOC (bootstrap_map.l_info);
@ -290,8 +291,7 @@ find_needed (const char *name)
static int
match_version (const char *string, struct link_map *map)
{
const char *strtab = (const char *) (map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
const char *strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
ElfW(Verdef) *def;
#define VERDEFTAG (DT_NUM + DT_PROCNUM + DT_VERSIONTAGIDX (DT_VERDEF))
@ -575,7 +575,8 @@ of this helper program; chances are you did not intend to run this program.\n\
assert (_dl_rtld_map.l_libname); /* How else did we get here? */
/* Extract the contents of the dynamic section for easy access. */
elf_get_dynamic_info (_dl_loaded->l_ld, _dl_loaded->l_info);
elf_get_dynamic_info (_dl_loaded->l_ld, _dl_loaded->l_addr,
_dl_loaded->l_info);
if (_dl_loaded->l_info[DT_HASH])
/* Set up our cache of pointers into the hash table. */
_dl_setup_hash (_dl_loaded);
@ -889,8 +890,7 @@ of this helper program; chances are you did not intend to run this program.\n\
if (dyn == NULL)
continue;
strtab = (const char *)
(map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
ent = (ElfW(Verneed) *) (map->l_addr + dyn->d_un.d_ptr);
if (first)

5
grp/initgroups.c
View file

@ -1,4 +1,4 @@
/* Copyright (C) 1989, 91, 93, 96, 97, 98 Free Software Foundation, Inc.
/* Copyright (C) 1989, 91, 93, 96, 97, 98, 99 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
@ -198,7 +198,8 @@ initgroups (user, group)
if (NSS_STATUS_TRYAGAIN > status || status > NSS_STATUS_RETURN)
__libc_fatal ("illegal status in " __FUNCTION__);
if (nss_next_action (nip, status) == NSS_ACTION_RETURN)
if (status != NSS_STATUS_SUCCESS
&& nss_next_action (nip, status) == NSS_ACTION_RETURN)
break;
if (nip->next == NULL)

8
sysdeps/alpha/dl-machine.h
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. Alpha version.
Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson <rth@tamu.edu>.
@ -350,8 +350,8 @@ elf_machine_fixup_plt(struct link_map *l, const Elf64_Rela *reloc,
/* Recover the PLT entry address by calculating reloc's index into the
.rela.plt, and finding that entry in the .plt. */
rela_plt = (void *)(l->l_addr + l->l_info[DT_JMPREL]->d_un.d_ptr);
plte = (void *)(l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr + 32);
rela_plt = (void *) l->l_info[DT_JMPREL]->d_un.d_ptr;
plte = (void *) (l->l_info[DT_PLTGOT]->d_un.d_ptr + 32);
plte += 3 * (reloc - rela_plt);
/* Find the displacement from the plt entry to the function. */
@ -481,7 +481,7 @@ elf_machine_rela (struct link_map *map,
than the dynamic linker's built-in definitions used
while loading those libraries. */
const Elf64_Sym *const dlsymtab
= (void *)(map->l_addr + map->l_info[DT_SYMTAB]->d_un.d_ptr);
= (void *) map->l_info[DT_SYMTAB]->d_un.d_ptr;
sym_value -= map->l_addr;
sym_value -= dlsymtab[ELF64_R_SYM(reloc->r_info)].st_value;
sym_value -= reloc->r_addend;

9
sysdeps/arm/dl-machine.h
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. ARM version.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 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
@ -405,8 +405,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
{
const char *strtab;
strtab = ((const char *) map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
": Symbol `", strtab + refsym->st_name,
"' has different size in shared object, "
@ -417,9 +416,9 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
break;
case R_ARM_GLOB_DAT:
case R_ARM_JUMP_SLOT:
#ifdef RTLD_BOOTSTRAP
#ifdef RTLD_BOOTSTRAP
/* Fix weak undefined references. */
if (sym != NULL && sym->st_value == 0)
if (sym != NULL && sym->st_value == 0)
*reloc_addr = 0;
else
#endif

7
sysdeps/i386/dl-machine.h
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. i386 version.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 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
@ -339,8 +339,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
{
const char *strtab;
strtab = ((const char *) map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const char *) map->l_info[DT_STRTAB]->d_un.d_ptr;
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
": Symbol `", strtab + refsym->st_name,
"' has different size in shared object, "
@ -359,7 +358,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
/* This is defined in rtld.c, but nowhere in the static
libc.a; make the reference weak so static programs can
still link. This declaration cannot be done when
compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP) because
compiling rtld.c (i.e. #ifdef RTLD_BOOTSTRAP) because
rtld.c contains the common defn for _dl_rtld_map, which
is incompatible with a weak decl in the same file. */
weak_extern (_dl_rtld_map);

5
sysdeps/m68k/dl-machine.h
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. m68k version.
Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 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
@ -277,8 +277,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
extern char **_dl_argv;
const char *strtab;
strtab = ((void *) map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
": Symbol `", strtab + refsym->st_name,
"' has different size in shared object, "

12
sysdeps/mips/dl-machine.h
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. MIPS version.
Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Kazumoto Kojima <kkojima@info.kanagawa-u.ac.jp>.
@ -144,8 +144,7 @@ elf_machine_got_rel (struct link_map *map, int lazy)
ElfW(Addr) *got;
ElfW(Sym) *sym;
int i, n;
const char *strtab
= ((void *) map->l_addr + map->l_info[DT_STRTAB]->d_un.d_ptr);
const char *strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
#define RESOLVE_GOTSYM(sym) \
({ \
@ -170,8 +169,7 @@ elf_machine_got_rel (struct link_map *map, int lazy)
/* Handle global got entries. */
got += n;
sym = (ElfW(Sym) *) ((void *) map->l_addr
+ map->l_info[DT_SYMTAB]->d_un.d_ptr);
sym = (void *) map->l_info[DT_SYMTAB]->d_un.d_ptr;
sym += map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val;
i = (map->l_info[DT_MIPS (SYMTABNO)]->d_un.d_val
- map->l_info[DT_MIPS (GOTSYM)]->d_un.d_val);
@ -348,9 +346,9 @@ __dl_runtime_resolve (ElfW(Word) sym_index, \
{ \
struct link_map *l = elf_machine_runtime_link_map (old_gpreg, stub_pc); \
const ElfW(Sym) *const symtab \
= (const ElfW(Sym) *) (l->l_addr + l->l_info[DT_SYMTAB]->d_un.d_ptr); \
= (const void *) l->l_info[DT_SYMTAB]->d_un.d_ptr; \
const char *strtab \
= (void *) (l->l_addr + l->l_info[DT_STRTAB]->d_un.d_ptr); \
= (const void *) l->l_info[DT_STRTAB]->d_un.d_ptr; \
const ElfW(Addr) *got \
= (const ElfW(Addr) *) (l->l_addr + l->l_info[DT_PLTGOT]->d_un.d_ptr); \
const ElfW(Word) local_gotno \

5
sysdeps/powerpc/dl-machine.c
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation functions. PowerPC version.
Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 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
@ -417,8 +417,7 @@ __process_machine_rela (struct link_map *map,
{
const char *strtab;
strtab = ((void *) map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
": Symbol `", strtab + refsym->st_name,
"' has different size in shared object, "

5
sysdeps/sparc/sparc32/dl-machine.h
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. SPARC version.
Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 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
@ -386,8 +386,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
extern char **_dl_argv;
const char *strtab;
strtab = ((void *) map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
": Symbol `", strtab + refsym->st_name,
"' has different size in shared object, "

5
sysdeps/sparc/sparc64/dl-machine.h
View file

@ -1,5 +1,5 @@
/* Machine-dependent ELF dynamic relocation inline functions. Sparc64 version.
Copyright (C) 1997, 1998 Free Software Foundation, Inc.
Copyright (C) 1997, 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
@ -213,8 +213,7 @@ elf_machine_rela (struct link_map *map, const Elf64_Rela *reloc,
extern char **_dl_argv;
const char *strtab;
strtab = ((void *) map->l_addr
+ map->l_info[DT_STRTAB]->d_un.d_ptr);
strtab = (const void *) map->l_info[DT_STRTAB]->d_un.d_ptr;
_dl_sysdep_error (_dl_argv[0] ?: "<program name unknown>",
": Symbol `", strtab + refsym->st_name,
"' has different size in shared object, "