diff options
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.S | 23 |
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) |