From: Max Filippov <jcmvbkbc@gmail.com>
Date: Wed, 28 Mar 2018 08:08:36 +0000 (-0700)
Subject: target/xtensa: linux-user: rewind pc for restarted syscall
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4a6bf7adb92d1b8b7cd3763740b4a5180c0147d5;p=qemu.git

target/xtensa: linux-user: rewind pc for restarted syscall

In case of syscall restart request set pc back to the syscall
instruction.

Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---

diff --git a/linux-user/main.c b/linux-user/main.c
index ba09b7d0c8..8907a84114 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -4006,6 +4006,9 @@ void cpu_loop(CPUXtensaState *env)
                     break;
 
                 case -TARGET_ERESTARTSYS:
+                    env->pc -= 3;
+                    break;
+
                 case -TARGET_QEMU_ESIGRETURN:
                     break;
                 }