1 files changed, 40 insertions, 0 deletions
diff --git a/tools/crashreporter/injector/injector.cc b/tools/crashreporter/injector/injector.cc
new file mode 100644
index 0000000000..eeb74038c8
--- /dev/null
+++ b/tools/crashreporter/injector/injector.cc
@@ -0,0 +1,40 @@
+/* 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 "linux/handler/exception_handler.h"
+
+using google_breakpad::ExceptionHandler;
+
+static ExceptionHandler* gExceptionHandler = nullptr;
+
+// Flag saying whether to generate a minidump. Can be (probably temporarily) set
+// to false when a crash is expected.
+bool __attribute__((visibility("default"))) gBreakpadInjectorEnabled = true;
+
+bool TestEnabled(void* /* context */) { return gBreakpadInjectorEnabled; }
+
+bool SetGlobalExceptionHandler(
+    ExceptionHandler::FilterCallback filterCallback,
+    ExceptionHandler::MinidumpCallback minidumpCallback) {
+  const char* tempPath = getenv("TMPDIR");
+  if (!tempPath) tempPath = "/tmp";
+
+  google_breakpad::MinidumpDescriptor descriptor(tempPath);
+
+  gExceptionHandler = new ExceptionHandler(descriptor, filterCallback,
+                                           minidumpCallback, nullptr, true, -1);
+  if (!gExceptionHandler) return false;
+
+  return true;
+}
+
+// Called when loading the DLL (eg via LD_PRELOAD, or the JS shell --dll
+// option).
+void __attribute__((constructor)) SetBreakpadExceptionHandler() {
+  if (gExceptionHandler) abort();
+
+  if (!SetGlobalExceptionHandler(TestEnabled, nullptr)) abort();
+
+  if (!gExceptionHandler) abort();
+}