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2003-03-07  Ulrich Drepper  <drepper@redhat.com>

	* init.c (__static_tls_align_m1): Renamed from __static_tls_align.
	(__pthread_initialize_minimal_internal): Change initialization of
	__static_tls_align_m1 appropriately.
	* pthreadP.h (__static_tls_align_m1): Renamed from
	__static_tls_align.
	* allocatestack.c (allocate_stack): Use __static_tls_align_m1
	instead of __static_tls_align-1.
This commit is contained in:
Ulrich Drepper 2003-03-07 09:55:05 +00:00
parent 923e02eae4
commit bc6389ad56
3 changed files with 16 additions and 7 deletions
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10
nptl/ChangeLog
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@ -1,3 +1,13 @@
2003-03-07 Ulrich Drepper <drepper@redhat.com>
* init.c (__static_tls_align_m1): Renamed from __static_tls_align.
(__pthread_initialize_minimal_internal): Change initialization of
__static_tls_align_m1 appropriately.
* pthreadP.h (__static_tls_align_m1): Renamed from
__static_tls_align.
* allocatestack.c (allocate_stack): Use __static_tls_align_m1
instead of __static_tls_align-1.
2003-03-04 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/x86_64/Makefile: New file.

11
nptl/allocatestack.c
View File

@ -248,7 +248,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
return EINVAL;
/* Adjust stack size for alignment of the TLS block. */
adj = ((uintptr_t) attr->stackaddr) & (__static_tls_align - 1);
adj = ((uintptr_t) attr->stackaddr) & __static_tls_align_m1;
assert (size > adj);
/* The user provided some memory. Let's hope it matches the
@ -308,7 +308,6 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
size_t reqsize;
void *mem;
#undef COLORING_INCREMENT
#if COLORING_INCREMENT != 0
/* Add one more page for stack coloring. Don't to it for stacks
with 16 times pagesize or larger. This might just cause
@ -318,7 +317,7 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
#endif
/* Adjust the stack size for alignment. */
size &= ~(__static_tls_align - 1);
size &= ~__static_tls_align_m1;
assert (size != 0);
/* Make sure the size of the stack is enough for the guard and
@ -359,9 +358,9 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
/* Make sure the coloring offsets does not disturb the alignment
of the TCB and static TLS block. */
if (__builtin_expect ((coloring & (__static_tls_align - 1)) != 0, 0))
coloring = (((coloring + __static_tls_align - 1)
& ~(__static_tls_align - 1))
if (__builtin_expect ((coloring & __static_tls_align_m1) != 0, 0))
coloring = (((coloring + __static_tls_align_m1)
& ~(__static_tls_align_m1))
& ~pagesize_m1);
#else
/* Unless specified we do not make any adjustments. */

2
nptl/pthreadP.h
View File

@ -39,7 +39,7 @@ extern size_t __default_stacksize attribute_hidden;
/* Size and alignment of static TLS block. */
extern size_t __static_tls_size attribute_hidden;
extern size_t __static_tls_align attribute_hidden;
extern size_t __static_tls_align_m1 attribute_hidden;
/* Thread descriptor handling. */
extern list_t __stack_user;