[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH] ppc: Fix catching some segfaults in user mode
From: |
Benjamin Herrenschmidt |
Subject: |
[Qemu-devel] [PATCH] ppc: Fix catching some segfaults in user mode |
Date: |
Wed, 03 Aug 2016 17:55:23 +1000 |
The usermode "translate" code generates an error code value that
has the "is_write" bit set, which causes our switch/case to miss
and display "Invalid segfault errno" and a spurrious second state
dump. Fix it.
Signed-off-by: Benjamin Herrenschmidt <address@hidden>
---
linux-user/main.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/linux-user/main.c b/linux-user/main.c
index 24f34e6..eb9975c 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -1656,6 +1656,7 @@ void cpu_loop(CPUPPCState *env)
/* XXX: check this. Seems bugged */
switch (env->error_code & 0xFF000000) {
case 0x40000000:
+ case 0x42000000:
info.si_signo = TARGET_SIGSEGV;
info.si_errno = 0;
info.si_code = TARGET_SEGV_MAPERR;
- [Qemu-devel] [PATCH] ppc: Fix catching some segfaults in user mode,
Benjamin Herrenschmidt <=