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mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
This commit is contained in:
Jakub Jelinek
2007-07-31 13:33:18 +00:00
parent d6220e9ee3
commit 32c075e1f0
448 changed files with 13841 additions and 10982 deletions

View File

@ -1,5 +1,5 @@
/* On-demand PLT fixup for shared objects.
Copyright (C) 1995-2002,2003,2004,2005,2006 Free Software Foundation, Inc.
Copyright (C) 1995-2006, 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
@ -26,6 +26,8 @@
#include <ldsodefs.h>
#include <sysdep-cancel.h>
#include "dynamic-link.h"
#include <tls.h>
#if (!defined ELF_MACHINE_NO_RELA && !defined ELF_MACHINE_PLT_REL) \
|| ELF_MACHINE_NO_REL
@ -93,15 +95,19 @@ _dl_fixup (
version = NULL;
}
if (l->l_type == lt_loaded && !RTLD_SINGLE_THREAD_P)
__rtld_mrlock_lock (l->l_scope_lock);
/* We need to keep the scope around so do some locking. This is
not necessary for objects which cannot be unloaded or when
we are not using any threads (yet). */
int flags = DL_LOOKUP_ADD_DEPENDENCY;
if (!RTLD_SINGLE_THREAD_P)
THREAD_GSCOPE_SET_FLAG ();
result = _dl_lookup_symbol_x (strtab + sym->st_name, l, &sym,
l->l_scope, version, ELF_RTYPE_CLASS_PLT,
DL_LOOKUP_ADD_DEPENDENCY, NULL);
result = _dl_lookup_symbol_x (strtab + sym->st_name, l, &sym, l->l_scope,
version, ELF_RTYPE_CLASS_PLT, flags, NULL);
if (l->l_type == lt_loaded && !RTLD_SINGLE_THREAD_P)
__rtld_mrlock_unlock (l->l_scope_lock);
/* We are done with the global scope. */
if (!RTLD_SINGLE_THREAD_P)
THREAD_GSCOPE_RESET_FLAG ();
/* Currently result contains the base load address (or link map)
of the object that defines sym. Now add in the symbol
@ -181,16 +187,20 @@ _dl_profile_fixup (
version = NULL;
}
if (l->l_type == lt_loaded && !RTLD_SINGLE_THREAD_P)
__rtld_mrlock_lock (l->l_scope_lock);
/* We need to keep the scope around so do some locking. This is
not necessary for objects which cannot be unloaded or when
we are not using any threads (yet). */
int flags = DL_LOOKUP_ADD_DEPENDENCY;
if (!RTLD_SINGLE_THREAD_P)
THREAD_GSCOPE_SET_FLAG ();
result = _dl_lookup_symbol_x (strtab + refsym->st_name, l, &defsym,
l->l_scope, version,
ELF_RTYPE_CLASS_PLT,
DL_LOOKUP_ADD_DEPENDENCY, NULL);
result = _dl_lookup_symbol_x (strtab + refsym->st_name, l,
&defsym, l->l_scope, version,
ELF_RTYPE_CLASS_PLT, flags, NULL);
if (l->l_type == lt_loaded && !RTLD_SINGLE_THREAD_P)
__rtld_mrlock_unlock (l->l_scope_lock);
/* We are done with the global scope. */
if (!RTLD_SINGLE_THREAD_P)
THREAD_GSCOPE_RESET_FLAG ();
/* Currently result contains the base load address (or link map)
of the object that defines sym. Now add in the symbol