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[Qemu-devel] [PATCH] linux-user/signal.c: Use s390 target space address
From: |
chengang |
Subject: |
[Qemu-devel] [PATCH] linux-user/signal.c: Use s390 target space address instead of host space address for restorer |
Date: |
Tue, 29 Mar 2016 22:29:10 +0800 |
From: Chen Gang <address@hidden>
The return address is in target space, so the restorer address needs to
be target space, too.
Signed-off-by: Chen Gang <address@hidden>
---
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
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