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[Qemu-devel] [PULL 1/3] linux-user: fix alpha signal emulation
From: |
Laurent Vivier |
Subject: |
[Qemu-devel] [PULL 1/3] linux-user: fix alpha signal emulation |
Date: |
Tue, 3 Apr 2018 12:35:38 +0200 |
setup_frame() doesn't set correctly the address of the trampoline code.
The offset of retcode array must be added to the stack frame address.
Signed-off-by: Laurent Vivier <address@hidden>
Message-Id: <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 2ea3e0321f..9399f0ec47 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -6367,7 +6367,7 @@ static void setup_frame(int sig, struct target_sigaction
*ka,
&frame->retcode[1]);
__put_user(INSN_CALLSYS, &frame->retcode[2]);
/* imb() */
- r26 = frame_addr;
+ r26 = frame_addr + offsetof(struct target_sigframe, retcode);
}
unlock_user_struct(frame, frame_addr, 1);
@@ -6424,7 +6424,7 @@ static void setup_rt_frame(int sig, struct
target_sigaction *ka,
&frame->retcode[1]);
__put_user(INSN_CALLSYS, &frame->retcode[2]);
/* imb(); */
- r26 = frame_addr;
+ r26 = frame_addr + offsetof(struct target_sigframe, retcode);
}
if (err) {
--
2.14.3