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-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S31
1 files changed, 14 insertions, 17 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
index 86bdac1b1b..be14fc897e 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S
@@ -69,6 +69,7 @@ __pthread_cond_timedwait:
#endif
subq $FRAME_SIZE, %rsp
cfi_adjust_cfa_offset(FRAME_SIZE)
+ cfi_remember_state
cmpq $1000000000, 8(%rdx)
movl $EINVAL, %eax
@@ -77,19 +78,19 @@ __pthread_cond_timedwait:
/* Stack frame:
rsp + 48
- +--------------------------+
+ +--------------------------+
rsp + 32 | timeout value |
- +--------------------------+
+ +--------------------------+
rsp + 24 | old wake_seq value |
- +--------------------------+
+ +--------------------------+
rsp + 16 | mutex pointer |
- +--------------------------+
+ +--------------------------+
rsp + 8 | condvar pointer |
- +--------------------------+
+ +--------------------------+
rsp + 4 | old broadcast_seq value |
- +--------------------------+
+ +--------------------------+
rsp + 0 | old cancellation mode |
- +--------------------------+
+ +--------------------------+
*/
cmpq $-1, dep_mutex(%rdi)
@@ -317,11 +318,7 @@ __pthread_cond_timedwait:
retq
- cfi_adjust_cfa_offset(4 * 8 + FRAME_SIZE)
- cfi_rel_offset(%r12, FRAME_SIZE + 24)
- cfi_rel_offset(%r13, FRAME_SIZE + 16)
- cfi_rel_offset(%r14, FRAME_SIZE + 8)
- cfi_rel_offset(%r15, FRAME_SIZE)
+ cfi_restore_state
64: callq __pthread_mutex_cond_lock_adjust
movq %r14, %rax
@@ -650,15 +647,15 @@ __condvar_cleanup2:
rsp + 48 | %r14 |
+--------------------------+
rsp + 24 | unused |
- +--------------------------+
+ +--------------------------+
rsp + 16 | mutex pointer |
- +--------------------------+
+ +--------------------------+
rsp + 8 | condvar pointer |
- +--------------------------+
+ +--------------------------+
rsp + 4 | old broadcast_seq value |
- +--------------------------+
+ +--------------------------+
rsp + 0 | old cancellation mode |
- +--------------------------+
+ +--------------------------+
*/
movq %rax, 24(%rsp)