Patchwork [x32] PATCH: Use long long to check rt_sigreturn syscall

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Submitter H.J. Lu
Date March 4, 2011, 11:50 p.m.
Message ID <20110304235006.GA5161@intel.com>
Download mbox | patch
Permalink /patch/85454/
State New
Headers show

Comments

H.J. Lu - March 4, 2011, 11:50 p.m.
Hi,

I checked this patch into x32 branch.


H.J.
---
commit f8dd1a34cd51d52589cac5833dbf60e99e258504
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Mar 4 15:22:45 2011 -0800

    Use long long to check rt_sigreturn syscall.

Patch

diff --git a/gcc/ChangeLog.x32 b/gcc/ChangeLog.x32
index a3b7364..1bee1d9 100644
--- a/gcc/ChangeLog.x32
+++ b/gcc/ChangeLog.x32
@@ -1,3 +1,8 @@ 
+2011-03-04  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* config/i386/linux-unwind.h (x86_64_fallback_frame_state): Use
+	long long to check rt_sigreturn syscall.
+
 2011-03-02  H.J. Lu  <hongjiu.lu@intel.com>
 
 	PR rtl-optimization/47958
diff --git a/gcc/config/i386/linux-unwind.h b/gcc/config/i386/linux-unwind.h
index c5f7ea0..11afd86 100644
--- a/gcc/config/i386/linux-unwind.h
+++ b/gcc/config/i386/linux-unwind.h
@@ -45,7 +45,7 @@  x86_64_fallback_frame_state (struct _Unwind_Context *context,
 
   /* movq __NR_rt_sigreturn, %rax ; syscall  */
   if (*(unsigned char *)(pc+0) == 0x48
-      && *(unsigned long *)(pc+1) == 0x050f0000000fc0c7)
+      && *(unsigned long long *)(pc+1) == 0x050f0000000fc0c7ULL)
     {
       struct ucontext *uc_ = context->cfa;
       /* The void * cast is necessary to avoid an aliasing warning.