Mac x86_64: Mach exception support

tests/trusted_crash/osx_crash_filter/crash_filter_test.c

Index: tests/trusted_crash/osx_crash_filter/crash_filter_test.c
===================================================================
--- tests/trusted_crash/osx_crash_filter/crash_filter_test.c	(revision 10790)
+++ tests/trusted_crash/osx_crash_filter/crash_filter_test.c	(working copy)
@@ -15,6 +15,7 @@
 #include "native_client/src/trusted/service_runtime/nacl_all_modules.h"
 #include "native_client/src/trusted/service_runtime/nacl_app.h"
 #include "native_client/src/trusted/service_runtime/osx/crash_filter.h"
+#include "native_client/src/trusted/service_runtime/osx/mach_thread_map.h"
 #include "native_client/src/trusted/service_runtime/sel_ldr.h"
 
 
@@ -119,6 +120,7 @@
   struct NaClApp app;
 
   if (argc == 2 && strcmp(argv[1], "early_trusted") == 0) {
+    NaClInitMachThreadMap();
     g_expect_untrusted = 0;
     RegisterExceptionHandler();
     /* Cause a crash. */