Do what the comment says, test for signal_pending non-zero,
rather than the current coe which tests for bit 0 non-zero.
Signed-off-by: Richard Henderson <r...@twiddle.net>
---
linux-user/host/x86_64/safe-syscall.inc.S | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/linux-user/host/x86_64/safe-syscall.inc.S
b/linux-user/host/x86_64/safe-syscall.inc.S
index e09368d..f36992d 100644
--- a/linux-user/host/x86_64/safe-syscall.inc.S
+++ b/linux-user/host/x86_64/safe-syscall.inc.S
@@ -67,8 +67,8 @@ safe_syscall_base:
*/
safe_syscall_start:
/* if signal_pending is non-zero, don't do the call */
- testl $1, (%rbp)
- jnz return_ERESTARTSYS
+ cmpl $0, (%rbp)
+ jnz 1f
syscall
safe_syscall_end:
/* code path for having successfully executed the syscall */
@@ -78,7 +78,7 @@ safe_syscall_end:
.cfi_restore rbp
ret
-return_ERESTARTSYS:
+1:
/* code path when we didn't execute the syscall */
.cfi_restore_state
mov $-TARGET_ERESTARTSYS, %rax
--
2.5.5
