NonSFI NaCl: Plumb Exception IRT enough for breakpad.

chrome/test/data/nacl/irt_exception/irt_exception_test.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 <setjmp.h>
+#include <stdio.h>
+
+#include "native_client/src/include/nacl/nacl_exception.h"
+#include "ppapi/native_client/tests/ppapi_test_lib/test_interface.h"
+
+namespace {
+
+jmp_buf g_jmp_buf;
+
+void MyNaClExceptionHandler(struct NaClExceptionContext* context) {
+  printf("--- MyNaClExceptionHandler\n");
+  longjmp(g_jmp_buf, 1);
+}
+
+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;
+  }
+
+  if (setjmp(g_jmp_buf)) {
+    printf("Returned via longjmp\n");
+    TEST_PASSED;
+    return;
+  }
+  printf("Going to crash\n");
+  __builtin_trap();
+}
+
+}  // namespace
+
+void SetupTests() {
+  RegisterTest("CrashViaSignalHandler", CrashViaSignalHandler);
+}
+
+void SetupPluginInterfaces() {}