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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S23
1 files changed, 23 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
index 36a18036c5..4909f49107 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
@@ -33,8 +33,13 @@
.align 16
__pthread_cond_signal:
+ cfi_startproc
pushl %ebx
+ cfi_adjust_cfa_offset(4)
pushl %edi
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%ebx, -8)
+ cfi_offset(%edi, -12)
movl 12(%esp), %edi
@@ -69,7 +74,12 @@ __pthread_cond_signal:
/* Wake up one thread. */
pushl %esi
+ cfi_adjust_cfa_offset(4)
pushl %ebp
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%esi, -16)
+ cfi_offset(%ebp, -20)
+
#if FUTEX_PRIVATE_FLAG > 255
xorl %ecx, %ecx
#endif
@@ -91,7 +101,11 @@ __pthread_cond_signal:
ENTER_KERNEL */
int $0x80
popl %ebp
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebp)
popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
/* For any kind of error, we try again with WAKE.
The general test also covers running on old kernels. */
@@ -100,9 +114,17 @@ __pthread_cond_signal:
6: xorl %eax, %eax
popl %edi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%edi)
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
ret
+ cfi_adjust_cfa_offset(8)
+ cfi_offset(%ebx, -8)
+ cfi_offset(%edi, -12)
+
7: /* %ecx should be either FUTEX_WAKE_OP or
FUTEX_WAKE_OP|FUTEX_PRIVATE_FLAG from the previous syscall. */
xorl $(FUTEX_WAKE ^ FUTEX_WAKE_OP), %ecx
@@ -152,6 +174,7 @@ __pthread_cond_signal:
call __lll_lock_wait
jmp 2b
+ cfi_endproc
.size __pthread_cond_signal, .-__pthread_cond_signal
versioned_symbol (libpthread, __pthread_cond_signal, pthread_cond_signal,
GLIBC_2_3_2)