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* elf/dl-lookup.c (dl_new_hash): New functions.

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(_dl_lookup_symbol_x): Rename hash to old_hash and don't compute
	value here.  Compute new-style hash value.  Pass new hash value
	and reference to variable with the old value to do_lookup_x.
	(_dl_setup_hash): If DT_GNU_HASH is defined, use it and not
	old-style hash table.
	(_dl_debug_bindings): Pass new hash value and reference to variable
	with the old value to do_lookup_x.
	* elf/do-lookup.h (do_lookup_x): Accept additional parameter with
	new-style hash value and change old-style hash value parameter to
	be a reference.  Reoganize functions to determine whether
	new-style hash table is available.  Only fall back on old-style
	table.  If old-style hash value is needed, compute it here.
	* elf/dynamic-link.h (elf_get_dynamic_info): Relocate DT_GNU_HASH
	entry.
	* elf/elf.h: Define SHT_GNU_HASH, DT_GNU_HASH, DT_TLSDEC_PLT,
	DT_TLSDEC_GOT.  Adjust DT_ADDRNUM.
	* include/link.h (struct link_map): Add l_gnu_bitmask_idxbits,
	l_gnu_shift, l_gnu_bitmask, l_gnu_buckets and l_gnu_chain_zero.
	* Makeconfig: If linker supports --hash-style option add it to all
	linker command lines to build DSOs.
	* config.make.in: Define have-hash-style.
	* configure.in: Test whether linker supports --hash-style option.

	* elf/dl-misc.c (_dl_name_match_p): Make MAP parameter const.
	* sysdeps/generic/ldsodefs.h: Adjust prototype.
This commit is contained in:
Ulrich Drepper
2006-07-10 21:59:43 +00:00
parent f3be81a91c
commit 871b91589b
14 changed files with 315 additions and 138 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
nptl/pthread_mutex_init.c
View File

@ -41,7 +41,8 @@ __pthread_mutex_init (mutex, mutexattr)
imutexattr = (const struct pthread_mutexattr *) mutexattr ?: &default_attr;
/* Sanity checks. */
// XXX For now we don't support priority protected mutexes.
// XXX For now we don't support priority inherited or priority protected
// XXX mutexes.
switch (__builtin_expect (imutexattr->mutexkind
& PTHREAD_MUTEXATTR_PROTOCOL_MASK,
PTHREAD_PRIO_NONE
@ -50,13 +51,6 @@ __pthread_mutex_init (mutex, mutexattr)
case PTHREAD_PRIO_NONE << PTHREAD_MUTEXATTR_PROTOCOL_SHIFT:
break;
case PTHREAD_PRIO_INHERIT << PTHREAD_MUTEXATTR_PROTOCOL_SHIFT:
#ifndef __ASSUME_SET_ROBUST_LIST
if (__set_robust_list_avail < 0)
return ENOTSUP;
#endif
break;
default:
return ENOTSUP;
}
@ -81,11 +75,11 @@ __pthread_mutex_init (mutex, mutexattr)
switch (imutexattr->mutexkind & PTHREAD_MUTEXATTR_PROTOCOL_MASK)
{
case PTHREAD_PRIO_INHERIT << PTHREAD_MUTEXATTR_PROTOCOL_SHIFT:
mutex->__data.__kind |= PTHREAD_MUTEX_PRIO_INHERIT_NP;
mutex->__data.__kind |= PTHREAD_MUTEX_PRIO_INHERIT_PRIVATE_NP;
break;
case PTHREAD_PRIO_PROTECT << PTHREAD_MUTEXATTR_PROTOCOL_SHIFT:
mutex->__data.__kind |= PTHREAD_MUTEX_PRIO_PROTECT_NP;
mutex->__data.__kind |= PTHREAD_MUTEX_PRIO_PROTECT_PRIVATE_NP;
if (PTHREAD_MUTEX_PRIO_CEILING_MASK
== PTHREAD_MUTEXATTR_PRIO_CEILING_MASK)
mutex->__data.__kind |= (imutexattr->mutexkind