summaryrefslogtreecommitdiff
path: root/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_barrier_wait.S
diff options
context:
space:
mode:
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.S19
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