Enable mmap and identity-based validation caching on pnacl-{llc,ld}.nexe

ppapi/native_client/src/trusted/plugin/plugin.h

 // -*- c++ -*-
 // Copyright (c) 2012 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.
 
 // The portable representation of an instance and root scriptable object.
 // The PPAPI version of the plugin instantiates a subclass of this class.
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_
@@ skipping 34 matching lines @@
 class URLUtil_Dev;
 }
 
 namespace plugin {
 
 class ErrorInfo;
 class Manifest;
 
 int32_t ConvertFileDescriptor(PP_FileHandle handle);
 
+const PP_NaClFileInfo kInvalidNaClFileInfo = {
+  PP_kInvalidFileHandle,
+  0,  // token_lo
+  0,  // token_hi
+};
+
 class Plugin : public pp::Instance {
  public:
   explicit Plugin(PP_Instance instance);
 
   // ----- Methods inherited from pp::Instance:
 
   // Initializes this plugin with <embed/object ...> tag attribute count |argc|,
   // names |argn| and values |argn|. Returns false on failure.
   // Gets called by the browser right after New().
   virtual bool Init(uint32_t argc, const char* argn[], const char* argv[]);
@@ skipping 30 matching lines @@
 
   // Continuation for starting SRPC/JSProxy services as appropriate.
   // This is invoked as a callback when the NaCl module makes the
   // init_done reverse RPC to tell us that low-level initialization
   // such as ld.so processing is done.  That initialization requires
   // that the main thread be free in order to do Pepper
   // main-thread-only operations such as file processing.
   bool LoadNaClModuleContinuation(int32_t pp_error);
 
   // Load support.
-  // A helper SRPC NaCl module can be loaded given a PP_FileHandle.
+  // A helper SRPC NaCl module can be loaded given a PP_NaClFileInfo.
   // Blocks until the helper module signals initialization is done.
   // Does not update nacl_module_origin().
   // Returns NULL or the NaClSubprocess of the new helper NaCl module.
   NaClSubprocess* LoadHelperNaClModule(const nacl::string& helper_url,
-                                       PP_FileHandle file_handle,
+                                       PP_NaClFileInfo file_info,
                                        ErrorInfo* error_info);
 
   // Report an error that was encountered while loading a module.
   void ReportLoadError(const ErrorInfo& error_info);
 
   nacl::DescWrapperFactory* wrapper_factory() const { return wrapper_factory_; }
 
   // A helper function that indicates if |url| can be requested by the document
   // under the same-origin policy. Strictly speaking, it may be possible for the
   // document to request the URL using CORS even if this function returns false.
@@ skipping 12 matching lines @@
   ~Plugin();
 
   // Shuts down socket connection, service runtime, and receive thread,
   // in this order, for the main nacl subprocess.
   void ShutDownSubprocesses();
 
   // Histogram helper functions, internal to Plugin so they can use
   // uma_interface_ normally.
   void HistogramTimeSmall(const std::string& name, int64_t ms);
 
-  // Load a nacl module from the file specified in file_handle.
+  // Load a nacl module from the file specified in file_info.
   // Only to be used from a background (non-main) thread for the PNaCl
   // translator. This will fully initialize the |subprocess| if the load was
   // successful.
-  bool LoadHelperNaClModule(PP_FileHandle file_handle,
+  bool LoadHelperNaClModule(PP_NaClFileInfo file_info,
                             NaClSubprocess* subprocess,
                             const SelLdrStartParams& params);
 
   // Start sel_ldr from the main thread, given the start params.
   // |pp_error| is set by CallOnMainThread (should be PP_OK).
   void StartSelLdrOnMainThread(int32_t pp_error,
                                ServiceRuntime* service_runtime,
                                const SelLdrStartParams& params,
                                pp::CompletionCallback callback);
 
@@ skipping 64 matching lines @@
 
   PP_NaClFileInfo nexe_file_info_;
 
   const PPB_NaCl_Private* nacl_interface_;
   pp::UMAPrivate uma_interface_;
 };
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_