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authorUlrich Drepper <drepper@redhat.com>2007-05-28 16:42:08 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-28 16:42:08 +0000
commit991fa82be561407e9cfb42a328b2b56d5a9debf1 (patch)
tree5c72afab34fe26f8dd035bd7dc761f9addc2ab94 /nptl/sysdeps/powerpc/tls.h
parentcd0dbd89441dc1fc88a3b5d7d638b03c2a62e17c (diff)
downloadglibc-991fa82be561407e9cfb42a328b2b56d5a9debf1.tar.gz
* sysdeps/i386/tls.h (THREAD_GSCOPE_RESET_FLAG): Use explicit
insn suffix. (THREAD_GSCOPE_GET_FLAG): Remove. * sysdeps/x86_64/tls.h (THREAD_GSCOPE_GET_FLAG): Remove. * allocatestack.c (__wait_lookup_done): Revert 2007-05-24 changes. * sysdeps/powerpc/tls.h (tcbhead_t): Remove gscope_flag. (THREAD_GSCOPE_GET_FLAG): Remove. (THREAD_GSCOPE_RESET_FLAG): Use THREAD_SELF->header.gscope_flag instead of THREAD_GSCOPE_GET_FLAG. (THREAD_GSCOPE_SET_FLAG): Likewise. Add atomic_write_barrier after it. * sysdeps/s390/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/sparc/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/sh/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. * sysdeps/ia64/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define. 2007-05-24 Richard Henderson <rth@redhat.com> * descr.h (struct pthread): Add header.gscope_flag. * sysdeps/alpha/tls.h (THREAD_GSCOPE_FLAG_UNUSED, THREAD_GSCOPE_FLAG_USED, THREAD_GSCOPE_FLAG_WAIT, THREAD_GSCOPE_RESET_FLAG, THREAD_GSCOPE_SET_FLAG, THREAD_GSCOPE_WAIT): Define.
Diffstat (limited to 'nptl/sysdeps/powerpc/tls.h')
-rw-r--r--nptl/sysdeps/powerpc/tls.h21
1 files changed, 11 insertions, 10 deletions
diff --git a/nptl/sysdeps/powerpc/tls.h b/nptl/sysdeps/powerpc/tls.h
index 136fe2a100..bd9c99e06e 100644
--- a/nptl/sysdeps/powerpc/tls.h
+++ b/nptl/sysdeps/powerpc/tls.h
@@ -63,11 +63,10 @@ typedef union dtv
# include <nptl/descr.h>
/* The stack_guard is accessed directly by GCC -fstack-protector code,
- so it is a part of public ABI. The dtv, pointer_guard and gscope_flag
- fields are private. */
+ so it is a part of public ABI. The dtv and pointer_guard fields
+ are private. */
typedef struct
{
- int gscope_flag;
uintptr_t pointer_guard;
uintptr_t stack_guard;
dtv_t *dtv;
@@ -181,24 +180,26 @@ register void *__thread_register __asm__ ("r13");
different value to mean unset l_tls_offset. */
# define NO_TLS_OFFSET -1
-/* Get and set the global scope generation counter in the TCB head. */
+/* Get and set the global scope generation counter in struct pthread. */
#define THREAD_GSCOPE_FLAG_UNUSED 0
#define THREAD_GSCOPE_FLAG_USED 1
#define THREAD_GSCOPE_FLAG_WAIT 2
-#define THREAD_GSCOPE_GET_FLAG(descr) \
- (((tcbhead_t *) ((char *) (descr) \
- + TLS_PRE_TCB_SIZE))[-1].gscope_flag)
#define THREAD_GSCOPE_RESET_FLAG() \
do \
{ int __res \
- = atomic_exchange_rel (&THREAD_GSCOPE_GET_FLAG (THREAD_SELF), \
+ = atomic_exchange_rel (&THREAD_SELF->header.gscope_flag, \
THREAD_GSCOPE_FLAG_UNUSED); \
if (__res == THREAD_GSCOPE_FLAG_WAIT) \
- lll_futex_wake (&THREAD_GSCOPE_GET_FLAG (THREAD_SELF), 1); \
+ lll_futex_wake (&THREAD_SELF->header.gscope_flag, 1); \
} \
while (0)
#define THREAD_GSCOPE_SET_FLAG() \
- (THREAD_GSCOPE_GET_FLAG (THREAD_SELF) = THREAD_GSCOPE_FLAG_USED)
+ do \
+ { \
+ THREAD_SELF->header.gscope_flag = THREAD_GSCOPE_FLAG_USED; \
+ atomic_write_barrier (); \
+ } \
+ while (0)
#define THREAD_GSCOPE_WAIT() \
GL(dl_wait_lookup_done) ()