Mac x86_64: Mach exception support

tests/trusted_crash/osx_crash_forwarding/mach_crash_forwarding_test.c

Index: tests/trusted_crash/osx_crash_forwarding/mach_crash_forwarding_test.c
===================================================================
--- tests/trusted_crash/osx_crash_forwarding/mach_crash_forwarding_test.c	(revision 10790)
+++ tests/trusted_crash/osx_crash_forwarding/mach_crash_forwarding_test.c	(working copy)
@@ -16,6 +16,7 @@
 #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_exception_handler.h"
+#include "native_client/src/trusted/service_runtime/osx/mach_thread_map.h"
 #include "native_client/src/trusted/service_runtime/sel_ldr.h"
 
 
@@ -126,6 +127,7 @@
   CHECK(NaClInterceptMachExceptions());
 
   if (argc == 2 && strcmp(argv[1], "early_trusted") == 0) {
+    NaClInitMachThreadMap();
     g_expect_crash = 1;
     /* Cause a crash. */
     *(volatile int *) 0 = 0;
@@ -138,11 +140,11 @@
   if (strcmp(argv[1], "trusted") == 0) {
     g_expect_crash = 1;
   } else if (strcmp(argv[1], "unforwarded_trusted") == 0) {
-    fprintf(stderr, "** intended_exit_status=-10\n");
+    fprintf(stderr, "** intended_exit_status=trusted_segfault\n");
     g_expect_crash = 0;
   } else if (strcmp(argv[1], "untrusted") == 0) {
     /* Expect the test to crash; untrusted crashes shouldn't be propagated. */
-    fprintf(stderr, "** intended_exit_status=-10\n");
+    fprintf(stderr, "** intended_exit_status=untrusted_segfault\n");
     g_expect_crash = 0;
   } else if (strcmp(argv[1], "untrusted_caught") == 0) {
     g_expect_crash = 0;