diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S index 77d252de8f..040d7f8c33 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S @@ -27,7 +27,10 @@ .type pthread_barrier_wait,@function .align 16 pthread_barrier_wait: + cfi_startproc pushl %ebx + cfi_adjust_cfa_offset(4) + cfi_offset(%ebx, -8) movl 8(%esp), %ebx @@ -45,6 +48,8 @@ pthread_barrier_wait: /* There are more threads to come. */ pushl %esi + cfi_adjust_cfa_offset(4) + cfi_offset(%esi, -12) #if CURR_EVENT == 0 movl (%ebx), %edx @@ -101,9 +106,16 @@ pthread_barrier_wait: 10: movl %esi, %eax /* != PTHREAD_BARRIER_SERIAL_THREAD */ popl %esi + cfi_adjust_cfa_offset(-4) + cfi_restore(%esi) popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) ret + cfi_adjust_cfa_offset(4) + cfi_offset(%ebx, -8) + /* The necessary number of threads arrived. */ 3: #if CURR_EVENT == 0 @@ -140,8 +152,12 @@ pthread_barrier_wait: 5: orl $-1, %eax /* == PTHREAD_BARRIER_SERIAL_THREAD */ popl %ebx + cfi_adjust_cfa_offset(-4) + cfi_restore(%ebx) ret + cfi_adjust_cfa_offset(4) + cfi_offset(%ebx, -8) 1: movl PRIVATE(%ebx), %ecx leal MUTEX(%ebx), %edx xorl $LLL_SHARED, %ecx @@ -154,6 +170,8 @@ pthread_barrier_wait: call __lll_unlock_wake jmp 5b + cfi_adjust_cfa_offset(4) + cfi_offset(%esi, -12) 6: movl PRIVATE(%ebx), %ecx leal MUTEX(%ebx), %eax xorl $LLL_SHARED, %ecx @@ -165,4 +183,5 @@ pthread_barrier_wait: xorl $LLL_SHARED, %ecx call __lll_unlock_wake jmp 10b + cfi_endproc .size pthread_barrier_wait,.-pthread_barrier_wait |