diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S index ff09745060..73d8bc4ccc 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelrobustlock.S @@ -44,9 +44,16 @@ .hidden __lll_robust_mutex_lock_wait .align 16 __lll_robust_mutex_lock_wait: + cfi_startproc pushl %edx + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) + cfi_offset(%edx, -8) + cfi_offset(%ebx, -12) + cfi_offset(%esi, -16) movl %ecx, %ebx xorl %esi, %esi /* No timeout. */ @@ -81,9 +88,16 @@ __lll_robust_mutex_lock_wait: /* NB: %eax == 0 */ 3: popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %edx + cfi_adjust_cfa_offset(-4) + cfi_restore(%edx) ret + cfi_endproc .size __lll_robust_mutex_lock_wait,.-__lll_robust_mutex_lock_wait @@ -92,17 +106,27 @@ __lll_robust_mutex_lock_wait: .hidden __lll_robust_mutex_timedlock_wait .align 16 __lll_robust_mutex_timedlock_wait: + cfi_startproc /* Check for a valid timeout value. */ cmpl $1000000000, 4(%edx) jae 3f pushl %edi + cfi_adjust_cfa_offset(4) pushl %esi + cfi_adjust_cfa_offset(4) pushl %ebx + cfi_adjust_cfa_offset(4) pushl %ebp + cfi_adjust_cfa_offset(4) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Stack frame for the timespec and timeval structs. */ subl $12, %esp + cfi_adjust_cfa_offset(12) movl %ecx, %ebp movl %edx, %edi @@ -170,19 +194,34 @@ __lll_robust_mutex_timedlock_wait: jnz 7f 6: addl $12, %esp + cfi_adjust_cfa_offset(-12) popl %ebp + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebp) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %edi + cfi_adjust_cfa_offset(-4) + cfi_restore(%edi) ret +3: movl $EINVAL, %eax + ret + + cfi_adjust_cfa_offset(28) + cfi_offset(%edi, -8) + cfi_offset(%esi, -12) + cfi_offset(%ebx, -16) + cfi_offset(%ebp, -20) /* Check whether the time expired. */ 7: cmpl $-ETIMEDOUT, %ecx jne 1b 8: movl $ETIMEDOUT, %eax jmp 6b - -3: movl $EINVAL, %eax - ret + cfi_endproc .size __lll_robust_mutex_timedlock_wait,.-__lll_robust_mutex_timedlock_wait |