4 files changed, 93 insertions, 0 deletions
diff --git a/tools/crashreporter/injector/app.mozbuild b/tools/crashreporter/injector/app.mozbuild
new file mode 100644
index 0000000000..2a514db94d
--- /dev/null
+++ b/tools/crashreporter/injector/app.mozbuild
@@ -0,0 +1,14 @@
+# 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/.
+
+DIRS += [
+    "/toolkit/crashreporter/google-breakpad/src/common",
+    "/toolkit/crashreporter/google-breakpad/src/processor",
+    "/tools/crashreporter/injector",
+]
+
+if CONFIG["OS_TARGET"] in ("Linux", "Android"):
+    DIRS += [
+        "/toolkit/crashreporter/google-breakpad/src/common/linux",
+    ]
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();
+}
diff --git a/tools/crashreporter/injector/moz.build b/tools/crashreporter/injector/moz.build
new file mode 100644
index 0000000000..d16300fbfb
--- /dev/null
+++ b/tools/crashreporter/injector/moz.build
@@ -0,0 +1,36 @@
+# -*- 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/.
+
+SharedLibrary("breakpadinjector")
+
+UNIFIED_SOURCES += [
+    "/toolkit/crashreporter/breakpad-client/linux/crash_generation/crash_generation_client.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/thread_info.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/dump_writer_common/ucontext_reader.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/handler/exception_handler.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/handler/guid_generator.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/handler/minidump_descriptor.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/log/log.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/microdump_writer/microdump_writer.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/minidump_writer/linux_dumper.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/minidump_writer/linux_ptrace_dumper.cc",
+    "/toolkit/crashreporter/breakpad-client/linux/minidump_writer/minidump_writer.cc",
+    "/toolkit/crashreporter/breakpad-client/minidump_file_writer.cc",
+    "injector.cc",
+]
+
+USE_LIBS += [
+    "breakpad_common_s",
+    "breakpad_linux_common_s",
+]
+
+DisableStlWrapping()
+
+# On Linux we override the guid_creator.h header and use our own instead
+if CONFIG["OS_TARGET"] in ("Linux", "Android"):
+    DEFINES["COMMON_LINUX_GUID_CREATOR_H__"] = 1
+
+include("/toolkit/crashreporter/crashreporter.mozbuild")
diff --git a/tools/crashreporter/injector/moz.configure b/tools/crashreporter/injector/moz.configure
new file mode 100644
index 0000000000..6fbe8159b2
--- /dev/null
+++ b/tools/crashreporter/injector/moz.configure
@@ -0,0 +1,3 @@
+# 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/.