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[Qemu-devel] [PATCH] alpha-linux-user: Fill in SI_CODE for SIGSEGV.


From: Richard Henderson
Subject: [Qemu-devel] [PATCH] alpha-linux-user: Fill in SI_CODE for SIGSEGV.
Date: Fri, 21 May 2010 10:03:33 -0700

Signed-off-by: Richard Henderson <address@hidden>
---
 linux-user/main.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/linux-user/main.c b/linux-user/main.c
index b240f29..de1076b 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2433,7 +2433,8 @@ void cpu_loop (CPUState *env)
             env->lock_addr = -1;
             info.si_signo = TARGET_SIGSEGV;
             info.si_errno = 0;
-            info.si_code = 0;  /* ??? SEGV_MAPERR vs SEGV_ACCERR.  */
+            info.si_code = (page_get_flags(env->ipr[IPR_EXC_ADDR]) & PAGE_VALID
+                            ? TARGET_SEGV_ACCERR : TARGET_SEGV_MAPERR);
             info._sifields._sigfault._addr = env->ipr[IPR_EXC_ADDR];
             queue_signal(env, info.si_signo, &info);
             break;
-- 
1.7.0.1




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