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* sysdeps/generic/ldsodefs.h (DL_LOOKUP_GSCOPE_LOCK): New definition.

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* elf/dl-runtime.c (_dl_fixup, _dl_profile_fixup): Or in
	DL_LOOKUP_GSCOPE_LOCK into flags after THREAD_GSCOPE_SET_FLAG ().
	* elf/dl-sym.c (do_sym): Likewise.
	* include/link.h (struct link_map): Add l_serial field.
	* elf/dl-object.c (_dl_new_object): Initialize l_serial.
	* elf/dl-lookup.c (add_dependency): Add flags argument.
	Remember map->l_serial, if DL_LOOKUP_GSCOPE_LOCK is among
	flags, use THREAD_GSCOPE_RESET_FLAG before and
	THREAD_GSCOPE_SET_FLAG after
	__rtld_lock_lock_recursive (GL(dl_load_lock)) to avoid deadlock.
	Don't dereference map until it has been found on some list.
	If map->l_serial changed, return -1.
This commit is contained in:
Ulrich Drepper
2007-09-18 19:20:56 +00:00
parent 874aa52349
commit b90395e6e9
7 changed files with 92 additions and 27 deletions
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2
include/link.h
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@@ -286,6 +286,8 @@ struct link_map
ElfW(Addr) l_relro_addr;
size_t l_relro_size;
unsigned long long int l_serial;
/* Audit information. This array apparent must be the last in the
structure. Never add something after it. */
struct auditstate