diff -r 32c911bc2579 xpcom/base/nsStackWalk.cpp
--- a/xpcom/base/nsStackWalk.cpp	Thu Jul 12 15:09:18 2012 -0700
+++ b/xpcom/base/nsStackWalk.cpp	Fri Jul 13 12:48:06 2012 +0800
@@ -838,7 +838,7 @@
 #include <sys/regset.h>
 #include <sys/stack.h>
 
-static int    load_address ( void * pc, void * arg );
+static int    load_address ( void * pc, void * sp, void * arg );
 static struct bucket * newbucket ( void * pc );
 static struct frame * cs_getmyframeptr ( void );
 static void   cs_walk_stack ( void * (*read_func)(char * address),
@@ -911,7 +911,7 @@
 
 
 static int
-load_address(void * pc, void * arg )
+load_address(void * pc, void * sp, void * arg )
 {
     static struct bucket table[2048];
     static mutex_t lock;
@@ -932,7 +932,7 @@
     if (ptr->next) {
         mutex_unlock(&lock);
     } else {
-        (args->callback)(pc, args->closure);
+        (args->callback)(pc, NULL, args->closure);
 
         ptr->next = newbucket(pc);
         mutex_unlock(&lock);