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[Qemu-ppc] [PULL 56/64] ppc: Fix catching some segfaults in user mode
From: |
David Gibson |
Subject: |
[Qemu-ppc] [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-ppc] [PULL 29/64] ppc: Make tlb_fill() use new exception helper, (continued)
- [Qemu-ppc] [PULL 29/64] ppc: Make tlb_fill() use new exception helper, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 46/64] target-ppc: add dtstsfi[q] instructions, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 57/64] ppc: Stop dumping state on all exceptions in linux-user, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 64/64] tests: Check serial output of firmware boot of some machines, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 09/64] target-ppc: add cnttzd[.] instruction, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 14/64] target-ppc: add maddhd and maddhdu instruction, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 23/64] ppc: Make float_invalid_op_excp() pass the return address, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 06/64] target-ppc: add cmprb instruction, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 25/64] ppc: Don't update the NIP in floating point generated code, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 35/64] ppc: Don't update NIP if not taking alignment exceptions, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 56/64] ppc: Fix catching some segfaults in user mode,
David Gibson <=
- [Qemu-ppc] [PULL 42/64] ppc: Use a helper to generate "LE unsupported" alignment interrupts, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 51/64] target-ppc: add extswsli[.] instruction, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 43/64] ppc: load/store multiple and string insns don't do LE, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 49/64] target-ppc: add vslv instruction, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 24/64] ppc: Make float_check_status() pass the return address, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 28/64] ppc: Don't update NIP in lmw/stmw/icbi, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 59/64] ppc: Improve flags for helpers loading/writing the time facilities, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 22/64] ppc: Rename fload_invalid_op_excp to float_invalid_op_excp, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 63/64] tests: Resort check-qtest entries in Makefile.include, David Gibson, 2016/09/07
- [Qemu-ppc] [PULL 54/64] hw/ppc: add a ppc_create_page_sizes_prop() helper routine, David Gibson, 2016/09/07