Incorporate shimming into the irt

src/untrusted/irt/shim_dummy.c

+/*
+ * Copyright (c) 2012 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/*
+ * This module satisfies link dependencies for platforms where we do not link
+ * the x86-64 specific auto-genenerated shimming code into the IRT.
+ * Furthermore, this code is functional in the sense that if we decide
+ * to link the new interception code from src/untrusted/pnacl_irt_shim
+ * into any nexe (not just x86-64) the nexe should work with an
+ * IRT containing this code.
+ * It also roughly documents the API of the auto-generated shimming code.
+ */
+
+#include "ppapi/generators/pnacl_shim.h"
+
+static PPB_GetInterface g_real_PPB_GetInterface = 0;
+static PPP_GetInterface_Type g_real_PPP_GetInterface = 0;
+
+void __set_real_Pnacl_PPBGetInterface(PPB_GetInterface real) {
+  g_real_PPB_GetInterface = real;
+}
+
+void __set_real_Pnacl_PPPGetInterface(PPP_GetInterface_Type real) {
+  g_real_PPP_GetInterface = real;
+}
+
+const void *__Pnacl_PPBGetInterface(const char *name) {
+  return g_real_PPB_GetInterface(name);
+}
+
+const void *__Pnacl_PPPGetInterface(const char *name) {
+  return g_real_PPP_GetInterface(name);
+}