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[Qemu-devel] [PULL 56/64] ppc: Fix catching some segfaults in user mode
From: |
David Gibson |
Subject: |
[Qemu-devel] [PULL 56/64] ppc: Fix catching some segfaults in user mode |
Date: |
Wed, 7 Sep 2016 20:29:35 +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-devel] [PULL 40/64] ppc: Fix CFAR updates, (continued)
- [Qemu-devel] [PULL 40/64] ppc: Fix CFAR updates, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 55/64] ppc: Fix macio ESCC legacy mapping, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 46/64] target-ppc: add dtstsfi[q] instructions, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 22/64] ppc: Rename fload_invalid_op_excp to float_invalid_op_excp, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 36/64] ppc: Don't update NIP in dcbz and lscbx, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 61/64] ppc: Improve a few more helper flags, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 58/64] ppc: Don't generate dead code on unconditional branches, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 59/64] ppc: Improve flags for helpers loading/writing the time facilities, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 52/64] ppc: Rename #include'd .c files to .inc.c, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 62/64] spapr: implement H_CHANGE_LOGICAL_LAN_MAC h_call, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 56/64] ppc: Fix catching some segfaults in user mode,
David Gibson <=
- [Qemu-devel] [PULL 57/64] ppc: Stop dumping state on all exceptions in linux-user, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 63/64] tests: Resort check-qtest entries in Makefile.include, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 64/64] tests: Check serial output of firmware boot of some machines, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 45/64] target-ppc: implement branch-less divd[o][.], David Gibson, 2016/09/07
- [Qemu-devel] [PULL 21/64] ppc: Move VSX ops out of translate.c, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 17/64] ppc: Move classic fp ops out of translate.c, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 20/64] ppc: Move VMX ops out of translate.c, David Gibson, 2016/09/07
- [Qemu-devel] [PULL 18/64] ppc: Move embedded spe ops out of translate.c, David Gibson, 2016/09/07
- Re: [Qemu-devel] [PULL 00/64] ppc-for-2.8 queue 20160907, no-reply, 2016/09/07
- Re: [Qemu-devel] [PULL 00/64] ppc-for-2.8 queue 20160907, Peter Maydell, 2016/09/08