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[Qemu-ppc] [PULL 58/66] ppc: Fix catching some segfaults in user mode
From: |
David Gibson |
Subject: |
[Qemu-ppc] [PULL 58/66] ppc: Fix catching some segfaults in user mode |
Date: |
Tue, 6 Sep 2016 13:43:08 +1000 |
From: Benjamin Herrenschmidt <address@hidden>
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>
Signed-off-by: David Gibson <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 d112834..32070a4 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;
--
2.7.4
- [Qemu-ppc] [PULL 59/66] ppc: Stop dumping state on all exceptions in linux-user, (continued)
- [Qemu-ppc] [PULL 59/66] ppc: Stop dumping state on all exceptions in linux-user, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 48/66] target-ppc: add dtstsfi[q] instructions, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 49/66] target-ppc: add vabsdu[b, h, w] instructions, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 34/66] ppc: Don't update NIP BookE 2.06 tlbwe, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 61/66] ppc: Improve flags for helpers loading/writing the time facilities, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 38/66] ppc: Make alignment exceptions suck less, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 62/66] ppc: Improve the exception helpers flags, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 53/66] target-ppc: add extswsli[.] instruction, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 63/66] ppc: Improve a few more helper flags, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 55/66] hw/ppc: use error_report instead of fprintf, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 58/66] ppc: Fix catching some segfaults in user mode,
David Gibson <=
- [Qemu-ppc] [PULL 54/66] ppc: Rename #include'd .c files to .inc.c, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 07/66] target-ppc: add modulo word operations, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 32/66] ppc: Don't update NIP in DCR access routines, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 51/66] target-ppc: add vslv instruction, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 60/66] ppc: Don't generate dead code on unconditional branches, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 17/66] ppc: Move classic fp ops out of translate.c, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 05/66] target-ppc: adding addpcis instruction, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 26/66] ppc: FP exceptions are always precise, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 33/66] ppc: Don't update NIP in facility unavailable interrupts, David Gibson, 2016/09/05
- [Qemu-ppc] [PULL 13/66] target-ppc: add maddld instruction, David Gibson, 2016/09/05