[Qemu-devel] [PATCH] linux-user/signal.c: Use s390 target space address instead of host space address for restorer

[chengang]

From: Chen Gang <cheng...@emindsoft.com.cn>

The return address is in target space, so the restorer address needs to
be target space, too.

Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
---
 linux-user/signal.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/linux-user/signal.c b/linux-user/signal.c
index c0a6f7e..6a73321 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -4117,8 +4117,8 @@ static void setup_frame(int sig, struct target_sigaction 
*ka,
             env->regs[14] = (unsigned long)
                     ka->sa_restorer | PSW_ADDR_AMODE;
     } else {
-            env->regs[14] = (unsigned long)
-                    frame->retcode | PSW_ADDR_AMODE;
+            env->regs[14] = (frame_addr + offsetof(sigframe, retcode))
+                            | PSW_ADDR_AMODE;
             __put_user(S390_SYSCALL_OPCODE | TARGET_NR_sigreturn,
                        (uint16_t *)(frame->retcode));
     }
-- 
1.9.3