2 files changed, 50 insertions, 0 deletions
diff --git a/browser/app/no-pie/NoPie.c b/browser/app/no-pie/NoPie.c
new file mode 100644
index 0000000000..39b206e0af
--- /dev/null
+++ b/browser/app/no-pie/NoPie.c
@@ -0,0 +1,26 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+int main(int argc, char* argv[]) {
+  // Ideally, we'd use mozilla::BinaryPath, but that pulls in stdc++compat,
+  // and further causes trouble linking with LTO.
+  char path[PATH_MAX + 4];
+  ssize_t len = readlink("/proc/self/exe", path, PATH_MAX - 1);
+  if (len < 0) {
+    fprintf(stderr, "Couldn't find the application directory.\n");
+    return 255;
+  }
+  strcpy(path + len, "-bin");
+  execv(path, argv);
+  // execv never returns. If it did, there was an error.
+  fprintf(stderr, "Exec failed with error: %s\n", strerror(errno));
+  return 255;
+}
diff --git a/browser/app/no-pie/moz.build b/browser/app/no-pie/moz.build
new file mode 100644
index 0000000000..74aa89409d
--- /dev/null
+++ b/browser/app/no-pie/moz.build
@@ -0,0 +1,24 @@
+# -*- 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/.
+
+Program(CONFIG["MOZ_APP_NAME"])
+
+SOURCES += [
+    "NoPie.c",
+]
+
+# For some reason, LTO messes things up. We don't care anyways.
+CFLAGS += [
+    "-fno-lto",
+]
+
+# Use OS_LIBS instead of LDFLAGS to "force" the flag to come after -pie
+# from MOZ_PROGRAM_LDFLAGS.
+if CONFIG["CC_TYPE"] == "clang":
+    # clang < 5.0 doesn't support -no-pie.
+    OS_LIBS += ["-nopie"]
+else:
+    OS_LIBS += ["-no-pie"]