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2003-07-08  Jakub Jelinek  <jakub@redhat.com>

	* pthreadP.h (__pthread_unwind_next, __pthread_register_cancel,
	__pthread_unregister_cancel): Add prototypes and hidden_proto.
	* unwind.c (__pthread_unwind_next): Add hidden_def.
	* cleanup.c (__pthread_register_cancel, __pthread_unregister_cancel):
	Likewise.
	* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S (__new_sem_wait):
	Use HIDDEN_JUMPTARGET to jump to __pthread_unwind.
	* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S (sem_timedwait):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_wait.S (sem_wait): Likewise.
	* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait):
	Likewise.
	* sysdeps/unix/sysv/linux/i386/pthread_once.S (__pthread_once): Use
	HIDDEN_JUMPTARGET to call __pthread_register_cancel,
	__pthread_unregister_cancel and __pthread_unwind_next.
This commit is contained in:
Ulrich Drepper 2003-07-08 21:08:13 +00:00
parent 57a5ea0215
commit da0c02eee1
9 changed files with 41 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
nptl/ChangeLog
View File

@ -1,3 +1,21 @@
2003-07-08 Jakub Jelinek <jakub@redhat.com>
* pthreadP.h (__pthread_unwind_next, __pthread_register_cancel,
__pthread_unregister_cancel): Add prototypes and hidden_proto.
* unwind.c (__pthread_unwind_next): Add hidden_def.
* cleanup.c (__pthread_register_cancel, __pthread_unregister_cancel):
Likewise.
* sysdeps/unix/sysv/linux/i386/i486/sem_wait.S (__new_sem_wait):
Use HIDDEN_JUMPTARGET to jump to __pthread_unwind.
* sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S (sem_timedwait):
Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_wait.S (sem_wait): Likewise.
* sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S (sem_timedwait):
Likewise.
* sysdeps/unix/sysv/linux/i386/pthread_once.S (__pthread_once): Use
HIDDEN_JUMPTARGET to call __pthread_register_cancel,
__pthread_unregister_cancel and __pthread_unwind_next.
2003-07-04 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h (PSEUDO): Use

2
nptl/cleanup.c
View File

@ -35,6 +35,7 @@ __pthread_register_cancel (__pthread_unwind_buf_t *buf)
/* Store the new cleanup handler info. */
THREAD_SETMEM (self, cleanup_jmp_buf, (struct pthread_unwind_buf *) buf);
}
hidden_def (__pthread_register_cancel)
void
@ -45,3 +46,4 @@ __pthread_unregister_cancel (__pthread_unwind_buf_t *buf)
THREAD_SETMEM (THREAD_SELF, cleanup_jmp_buf, ibuf->priv.data.prev);
}
hidden_def (__pthread_unregister_cancel)

13
nptl/pthreadP.h
View File

@ -114,8 +114,21 @@ extern void __pthread_unwind (__pthread_unwind_buf_t *__buf)
weak_function
#endif
;
extern void __pthread_unwind_next (__pthread_unwind_buf_t *__buf)
__cleanup_fct_attribute __attribute ((__noreturn__))
#ifndef SHARED
weak_function
#endif
;
extern void __pthread_register_cancel (__pthread_unwind_buf_t *__buf)
__cleanup_fct_attribute;
extern void __pthread_unregister_cancel (__pthread_unwind_buf_t *__buf)
__cleanup_fct_attribute;
#if defined NOT_IN_libc && defined IS_IN_libpthread
hidden_proto (__pthread_unwind)
hidden_proto (__pthread_unwind_next)
hidden_proto (__pthread_register_cancel)
hidden_proto (__pthread_unregister_cancel)
#endif

2
nptl/sysdeps/unix/sysv/linux/i386/i486/sem_timedwait.S
View File

@ -187,6 +187,6 @@ sem_timedwait:
LOCK
orl $0x10, %gs:CANCELHANDLING
movl %gs:CLEANUP_JMP_BUF, %eax
jmp __pthread_unwind
jmp HIDDEN_JUMPTARGET (__pthread_unwind)
cfi_endproc
.size sem_timedwait,.-sem_timedwait

2
nptl/sysdeps/unix/sysv/linux/i386/i486/sem_wait.S
View File

@ -123,7 +123,7 @@ __new_sem_wait:
LOCK
orl $0x10, %gs:CANCELHANDLING
movl %gs:CLEANUP_JMP_BUF, %eax
jmp __pthread_unwind
jmp HIDDEN_JUMPTARGET (__pthread_unwind)
cfi_endproc
.size __new_sem_wait,.-__new_sem_wait
versioned_symbol(libpthread, __new_sem_wait, sem_wait, GLIBC_2_1)

6
nptl/sysdeps/unix/sysv/linux/i386/pthread_once.S
View File

@ -112,14 +112,14 @@ __pthread_once:
jne 7f
leal 8(%esp), %eax
call __pthread_register_cancel
call HIDDEN_JUMPTARGET(__pthread_register_cancel)
/* Call the user-provided initialization function. */
call *24+UNWINDBUFSIZE(%esp)
/* Pop the cleanup handler. */
leal 8(%esp), %eax
call __pthread_unregister_cancel
call HIDDEN_JUMPTARGET(__pthread_unregister_cancel)
addl $UNWINDBUFSIZE+8, %esp
cfi_adjust_cfa_offset (-UNWINDBUFSIZE-8)
@ -156,7 +156,7 @@ __pthread_once:
ENTER_KERNEL
leal 8(%esp), %eax
call __pthread_unwind_next /* Note: no @PLT. */
call HIDDEN_JUMPTARGET (__pthread_unwind_next)
/* NOTREACHED */
hlt
cfi_endproc

2
nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S
View File

@ -170,6 +170,6 @@ sem_timedwait:
LOCK
orl $0x10, %fs:CANCELHANDLING
movq %fs:CLEANUP_JMP_BUF, %rdi
jmp __pthread_unwind
jmp HIDDEN_JUMPTARGET (__pthread_unwind)
cfi_endproc
.size sem_timedwait,.-sem_timedwait

2
nptl/sysdeps/unix/sysv/linux/x86_64/sem_wait.S
View File

@ -115,6 +115,6 @@ sem_wait:
LOCK
orl $0x10, %fs:CANCELHANDLING
movq %fs:CLEANUP_JMP_BUF, %rdi
jmp __pthread_unwind
jmp HIDDEN_JUMPTARGET (__pthread_unwind)
cfi_endproc
.size sem_wait,.-sem_wait

1
nptl/unwind.c
View File

@ -122,3 +122,4 @@ __pthread_unwind_next (__pthread_unwind_buf_t *buf)
__pthread_unwind ((__pthread_unwind_buf_t *) ibuf->priv.data.prev);
}
hidden_def (__pthread_unwind_next)