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* sysdeps/generic/ldsodefs.h (struct rtld_global_ro): Add

Browse Source 
_dl_tls_get_addr_soft element.
	* elf/rtld.c (rtld_global_ro): Initialize _dl_tls_get_addr_soft.
	* elf/Versions (ld): Don't export _dl_tls_get_addr_soft.
	* dlfcn/dlinfo.c (dlinfo_doit): Access dl_tls_get_addr_soft through
	GLRO.
	* elf/dl-iteratephdr.c (__dl_iterate_phdr): Likewise.
	* elf/dl-tls.c (_dl_tls_get_addr_soft): Use attribute_hidden instead
	of internal_function.
This commit is contained in:
Ulrich Drepper 2008-03-08 05:44:56 +00:00
parent c71665ad06
commit 93025f9373
7 changed files with 22 additions and 11 deletions
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10
ChangeLog
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@ -1,5 +1,15 @@
2008-03-07 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/ldsodefs.h (struct rtld_global_ro): Add
_dl_tls_get_addr_soft element.
* elf/rtld.c (rtld_global_ro): Initialize _dl_tls_get_addr_soft.
* elf/Versions (ld): Don't export _dl_tls_get_addr_soft.
* dlfcn/dlinfo.c (dlinfo_doit): Access dl_tls_get_addr_soft through
GLRO.
* elf/dl-iteratephdr.c (__dl_iterate_phdr): Likewise.
* elf/dl-tls.c (_dl_tls_get_addr_soft): Use attribute_hidden instead
of internal_function.
* stdlib/Makefile (aux): Add tens_in_limb.
* stdlib/strtod_l.c: Move _tens_in_limb definition to...
* stdlib/tens_in_limb.c: ...here. New file.

4
dlfcn/dlinfo.c
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@ -1,5 +1,5 @@
/* dlinfo -- Get information from the dynamic linker.
Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
Copyright (C) 2003, 2004, 2006, 2007, 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
@ -101,7 +101,7 @@ RTLD_SELF used in code not dynamically loaded"));
{
void *data = NULL;
if (l->l_tls_modid != 0)
data = _dl_tls_get_addr_soft (l);
data = GLRO(dl_tls_get_addr_soft) (l);
*(void **) args->arg = data;
break;
}

1
elf/Versions
View File

@ -57,7 +57,6 @@ ld {
_dl_allocate_tls; _dl_deallocate_tls;
_dl_get_tls_static_info; _dl_allocate_tls_init;
_dl_tls_setup; _dl_rtld_di_serinfo;
_dl_tls_get_addr_soft;
_dl_make_stack_executable;
# Only here for gdb while a better method is developed.
_dl_debug_state;

4
elf/dl-iteratephdr.c
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@ -1,5 +1,5 @@
/* Get loaded objects program headers.
Copyright (C) 2001,2002,2003,2004,2006,2007 Free Software Foundation, Inc.
Copyright (C) 2001-2004,2006,2007,2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
@ -72,7 +72,7 @@ __dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
info.dlpi_tls_data = NULL;
info.dlpi_tls_modid = l->l_tls_modid;
if (info.dlpi_tls_modid != 0)
info.dlpi_tls_data = _dl_tls_get_addr_soft (l);
info.dlpi_tls_data = GLRO(dl_tls_get_addr_soft) (l);
ret = callback (&info, sizeof (struct dl_phdr_info), data);
if (ret)
break;

4
elf/dl-tls.c
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@ -1,5 +1,5 @@
/* Thread-local storage handling in the ELF dynamic linker. Generic version.
Copyright (C) 2002,2003,2004,2005,2006 Free Software Foundation, Inc.
Copyright (C) 2002,2003,2004,2005,2006,2008 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
@ -758,7 +758,7 @@ __tls_get_addr (GET_ADDR_ARGS)
/* Look up the module's TLS block as for __tls_get_addr,
but never touch anything. Return null if it's not allocated yet. */
void *
internal_function
attribute_hidden
_dl_tls_get_addr_soft (struct link_map *l)
{
if (__builtin_expect (l->l_tls_modid == 0, 0))

5
elf/rtld.c
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@ -1,5 +1,5 @@
/* Run time dynamic linker.
Copyright (C) 1995-2006, 2007 Free Software Foundation, Inc.
Copyright (C) 1995-2006, 2007, 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
@ -161,7 +161,8 @@ struct rtld_global_ro _rtld_global_ro attribute_relro =
._dl_lookup_symbol_x = _dl_lookup_symbol_x,
._dl_check_caller = _dl_check_caller,
._dl_open = _dl_open,
._dl_close = _dl_close
._dl_close = _dl_close,
._dl_tls_get_addr_soft = _dl_tls_get_addr_soft
};
/* If we would use strong_alias here the compiler would see a
non-hidden definition. This would undo the effect of the previous

5
sysdeps/generic/ldsodefs.h
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@ -1,5 +1,5 @@
/* Run-time dynamic linker data structures for loaded ELF shared objects.
Copyright (C) 1995-2006, 2007 Free Software Foundation, Inc.
Copyright (C) 1995-2006, 2007, 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
@ -655,6 +655,7 @@ struct rtld_global_ro
void *(*_dl_open) (const char *file, int mode, const void *caller_dlopen,
Lmid_t nsid, int argc, char *argv[], char *env[]);
void (*_dl_close) (void *map);
void *(*_dl_tls_get_addr_soft) (struct link_map *);
/* List of auditing interfaces. */
struct audit_ifaces *_dl_audit;
@ -1069,7 +1070,7 @@ extern struct link_map *_dl_update_slotinfo (unsigned long int req_modid);
/* Look up the module's TLS block as for __tls_get_addr,
but never touch anything. Return null if it's not allocated yet. */
extern void *_dl_tls_get_addr_soft (struct link_map *l) internal_function;
extern void *_dl_tls_get_addr_soft (struct link_map *l) attribute_hidden;
extern int _dl_addr_inside_object (struct link_map *l, const ElfW(Addr) addr)
internal_function attribute_hidden;