Creating a pexe content handler to translate and run pexes.

mojo/nacl/nonsfi/irt_resource_open.cc

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <fcntl.h>
+
+#include "base/files/file_util.h"
+#include "mojo/nacl/nonsfi/irt_mojo_nonsfi.h"
+#include "native_client/src/untrusted/irt/irt_dev.h"
+
+namespace {
+
+int IrtOpenResource(const char* filename, int* newfd) {
+  std::string path = nacl::MojoGetBasePath();
+  path.append("pnacl_translation_files/");
+  if (strcmp(filename, "libpnacl_irt_shim.a"))
+    path.append(filename);
+  else
+    path.append("libpnacl_irt_shim_dummy.a");
+  int rv = open(path.c_str(), O_RDONLY);
+  if (rv < 0)
+    return -errno;
+  *newfd = rv;
+  return 0;
+}
+
+}  // namespace anonymous
+
+namespace nacl {
+
+const struct nacl_irt_resource_open nacl_irt_resource_open = {
+  IrtOpenResource,
+};
+
+}  // namespace nacl