NonSFI NaCl: Plumb Exception IRT enough for breakpad.

chrome/test/data/nacl/crash/nonsfi_crash_via_signal_handler.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <sched.h>
+#include <unistd.h>
+
+#include "native_client/src/include/nacl/nacl_exception.h"
+#include "native_client/src/shared/platform/nacl_check.h"
+#include "ppapi/native_client/tests/ppapi_test_lib/test_interface.h"
+
+namespace {
+
+static void MyNaClExceptionHandler(struct NaClExceptionContext *context) {
+  printf("--- MyNaClExceptionHandler\n");
+  TEST_PASSED;
+  // Wait for the javascript to realize that we have succeeded. If we
+  // exit from here we shall crash and it's hard to distinguish that
+  // crash from a complete failure to register a fault handler.
+  while (1) {
+    sched_yield();
+  }
+}
+
+void CrashViaSignalHandler() {
+  printf("--- CrashViaSignalHandler\n");
+
+  int retval = nacl_exception_set_handler(MyNaClExceptionHandler);
+  if (retval != 0) {
+    printf("Unexpected return value from nacl_exception_set_handler: %d\n",
+           retval);
+    TEST_FAILED;
+    return;
+  }
+  CRASH;
+}
+
+}  // namespace
+
+void SetupTests() {
+  RegisterTest("CrashViaSignalHandler", CrashViaSignalHandler);
+}
+
+void SetupPluginInterfaces() {
+
+  // none
+}