2 files changed, 62 insertions, 0 deletions
diff --git a/toolkit/crashreporter/injector/injector.cpp b/toolkit/crashreporter/injector/injector.cpp
new file mode 100644
index 0000000000..7fda400410
--- /dev/null
+++ b/toolkit/crashreporter/injector/injector.cpp
@@ -0,0 +1,35 @@
+/* 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 <windows.h>
+
+#include "windows/handler/exception_handler.h"
+
+using google_breakpad::ExceptionHandler;
+using std::wstring;
+
+extern "C" BOOL WINAPI DummyEntryPoint(HINSTANCE instance, DWORD reason,
+                                       void* reserved) {
+  __debugbreak();
+
+  return FALSE;  // We're being loaded remotely, this shouldn't happen!
+}
+
+// support.microsoft.com/kb/94248
+extern "C" BOOL WINAPI _CRT_INIT(HINSTANCE hinstDLL, DWORD fdwReason,
+                                 LPVOID lpReserved);
+
+extern "C" __declspec(dllexport) DWORD Start(void* context) {
+  // Because the remote DLL injector does not call DllMain, we have to
+  // initialize the CRT manually
+  _CRT_INIT(nullptr, DLL_PROCESS_ATTACH, nullptr);
+
+  HANDLE hCrashPipe = reinterpret_cast<HANDLE>(context);
+
+  ExceptionHandler* e = new (std::nothrow) ExceptionHandler(
+      wstring(), nullptr, nullptr, nullptr, ExceptionHandler::HANDLER_ALL,
+      MiniDumpNormal, hCrashPipe, nullptr);
+  if (e) e->set_handle_debug_exceptions(true);
+  return 1;
+}
diff --git a/toolkit/crashreporter/injector/moz.build b/toolkit/crashreporter/injector/moz.build
new file mode 100644
index 0000000000..05aa9af37d
--- /dev/null
+++ b/toolkit/crashreporter/injector/moz.build
@@ -0,0 +1,27 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# 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/.
+
+SOURCES += [
+    "injector.cpp",
+]
+
+SharedLibrary("breakpadinjector")
+
+include("/ipc/chromium/chromium-config.mozbuild")
+
+LOCAL_INCLUDES += [
+    "/toolkit/crashreporter/breakpad-client",
+    "/toolkit/crashreporter/google-breakpad/src",
+]
+
+USE_STATIC_LIBS = True
+
+if CONFIG["CC_TYPE"] in ("clang", "gcc"):
+    LDFLAGS += ["-Wl,-e,_DummyEntryPoint@12"]
+else:
+    LDFLAGS += ["-ENTRY:DummyEntryPoint"]
+
+DisableStlWrapping()