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* sysdeps/unix/sysv/linux/dl-vdso.c (_dl_vdso_vsym): Expect

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r_found_version structure as second parameter.
	* sysdeps/unix/sysv/linux/dl-vdso.h (PREPARE_VERSION): Define.
	(_dl_vdso_vsym): Change type of second parameter accordingly.
	* sysdeps/unix/sysv/linux/x86-64/libc-start.c
	(_libc_vdso_platform_setup): Adjust.
	* sysdeps/unix/sysv/linux/pwoerpc/libc-start.c
	(_libc_vdso_platform_setup): Likewise.
This commit is contained in:
Ulrich Drepper
2007-08-12 19:33:45 +00:00
parent 75fb247e69
commit fb86328ad8
5 changed files with 46 additions and 27 deletions
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14
sysdeps/unix/sysv/linux/dl-vdso.c
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@@ -1,5 +1,5 @@
/* ELF symbol resolve functions for VDSO objects.
Copyright (C) 2005 Free Software Foundation, Inc.
Copyright (C) 2005, 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
@@ -24,7 +24,7 @@
void *
internal_function
_dl_vdso_vsym (const char *name, const char *version)
_dl_vdso_vsym (const char *name, const struct r_found_version *vers)
{
struct link_map *map = GLRO (dl_sysinfo_map);
void *value = NULL;
@@ -37,19 +37,11 @@ _dl_vdso_vsym (const char *name, const char *version)
memset (&wsym, 0, sizeof (ElfW (Sym)));
wsym.st_info = (unsigned char) ELFW (ST_INFO (STB_WEAK, STT_NOTYPE));
/* Compute hash value to the version string. */
struct r_found_version vers;
vers.name = version;
vers.hidden = 1;
vers.hash = _dl_elf_hash (version);
/* We don't have a specific file where the symbol can be found. */
vers.filename = NULL;
/* Search the scope of the vdso map. */
const ElfW (Sym) *ref = &wsym;
lookup_t result = GLRO (dl_lookup_symbol_x) (name, map, &ref,
map->l_local_scope,
&vers, 0, 0, NULL);
vers, 0, 0, NULL);
if (ref != NULL)
value = DL_SYMBOL_ADDRESS (result, ref);