1 files changed, 51 insertions, 0 deletions
diff --git a/xpcom/base/nsObjCExceptions.mm b/xpcom/base/nsObjCExceptions.mm
new file mode 100644
index 0000000000..77a7edc998
--- /dev/null
+++ b/xpcom/base/nsObjCExceptions.mm
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsObjCExceptions.h"
+
+#import <Foundation/Foundation.h>
+
+#include <unistd.h>
+#include <signal.h>
+
+#include "nsICrashReporter.h"
+#include "nsCOMPtr.h"
+#include "nsServiceManagerUtils.h"
+
+#include "nsError.h"
+
+void nsObjCExceptionLog(NSException* aException) {
+  NSLog(@"Mozilla has caught an Obj-C exception [%@: %@]", [aException name],
+        [aException reason]);
+
+  // Attach exception info to the crash report.
+  nsCOMPtr<nsICrashReporter> crashReporter =
+      do_GetService("@mozilla.org/toolkit/crash-reporter;1");
+  if (crashReporter) {
+    crashReporter->AppendObjCExceptionInfoToAppNotes(
+        static_cast<void*>(aException));
+  }
+
+#ifdef DEBUG
+  NSLog(@"Stack trace:\n%@", [aException callStackSymbols]);
+#endif
+}
+
+namespace mozilla {
+
+bool ShouldIgnoreObjCException(NSException* aException) {
+  // Ignore known exceptions that we've seen in crash reports, which shouldn't
+  // cause a MOZ_CRASH in Nightly.
+  if (aException.name == NSInternalInconsistencyException) {
+    if ([aException.reason containsString:@"Missing Touches."]) {
+      // Seen in bug 1694000.
+      return true;
+    }
+  }
+  return false;
+}
+
+}  // namespace mozilla