From: blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 18 May 2008 06:40:16 +0000 (+0000)
Subject: Fix Sparc64 host signal handling
X-Git-Tag: stefano.display-merge-start~1305
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=c9e1e2b0ac300d0c2abd6d1f38207b7749b40b49;p=qemu-xen-4.0-testing.git

Fix Sparc64 host signal handling

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4484 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/cpu-exec.c b/cpu-exec.c
index 49b49954..fe309c78 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -1297,14 +1297,19 @@ int cpu_signal_handler(int host_signum, void *pinfo,
                        void *puc)
 {
     siginfo_t *info = pinfo;
-    uint32_t *regs = (uint32_t *)(info + 1);
-    void *sigmask = (regs + 20);
-    unsigned long pc;
     int is_write;
     uint32_t insn;
-
+#if !defined(__sparc_v9__) || defined(HOST_SOLARIS)
+    uint32_t *regs = (uint32_t *)(info + 1);
+    void *sigmask = (regs + 20);
     /* XXX: is there a standard glibc define ? */
-    pc = regs[1];
+    unsigned long pc = regs[1];
+#else
+    struct sigcontext *sc = puc;
+    unsigned long pc = sc->sigc_regs.tpc;
+    void *sigmask = (void *)sc->sigc_mask;
+#endif
+
     /* XXX: need kernel patch to get write flag faster */
     is_write = 0;
     insn = *(uint32_t *)pc;