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path: root/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S13
1 files changed, 13 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
index 2ddeed072f..4e5f0c5b2a 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_rwlock_rdlock.S
@@ -30,8 +30,13 @@
.type __pthread_rwlock_rdlock,@function
.align 16
__pthread_rwlock_rdlock:
+ cfi_startproc
pushl %esi
+ cfi_adjust_cfa_offset(4)
pushl %ebx
+ cfi_adjust_cfa_offset(4)
+ cfi_offset(%esi, -8)
+ cfi_offset(%ebx, -12)
xorl %esi, %esi
movl 12(%esp), %ebx
@@ -113,9 +118,16 @@ __pthread_rwlock_rdlock:
movl %edx, %eax
popl %ebx
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%ebx)
popl %esi
+ cfi_adjust_cfa_offset(-4)
+ cfi_restore(%esi)
ret
+ cfi_adjust_cfa_offset(8)
+ cfi_offset(%esi, -8)
+ cfi_offset(%ebx, -12)
1:
#if MUTEX == 0
movl %ebx, %edx
@@ -171,6 +183,7 @@ __pthread_rwlock_rdlock:
movzbl PSHARED(%ebx), %ecx
call __lll_lock_wait
jmp 13b
+ cfi_endproc
.size __pthread_rwlock_rdlock,.-__pthread_rwlock_rdlock
.globl pthread_rwlock_rdlock