| // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "isolate.h" |
| |
| #ifndef V8_SNAPSHOT_H_ |
| #define V8_SNAPSHOT_H_ |
| |
| namespace v8 { |
| namespace internal { |
| |
| STATIC_CLASS Snapshot { |
| public: |
| // Initialize the VM from the given snapshot file. If snapshot_file is |
| // NULL, use the internal snapshot instead. Returns false if no snapshot |
| // could be found. |
| static bool Initialize(const char* snapshot_file = NULL); |
| |
| // Create a new context using the internal partial snapshot. |
| static Handle<Context> NewContextFromSnapshot(); |
| |
| // Returns whether or not the snapshot is enabled. |
| static bool IsEnabled() { return size_ != 0; } |
| |
| // Write snapshot to the given file. Returns true if snapshot was written |
| // successfully. |
| static bool WriteToFile(const char* snapshot_file); |
| |
| static const byte* data() { return data_; } |
| static int size() { return size_; } |
| static int raw_size() { return raw_size_; } |
| static void set_raw_data(const byte* raw_data) { |
| raw_data_ = raw_data; |
| } |
| static const byte* context_data() { return context_data_; } |
| static int context_size() { return context_size_; } |
| static int context_raw_size() { return context_raw_size_; } |
| static void set_context_raw_data( |
| const byte* context_raw_data) { |
| context_raw_data_ = context_raw_data; |
| } |
| |
| private: |
| static const byte data_[]; |
| static const byte* raw_data_; |
| static const byte context_data_[]; |
| static const byte* context_raw_data_; |
| static const int new_space_used_; |
| static const int pointer_space_used_; |
| static const int data_space_used_; |
| static const int code_space_used_; |
| static const int map_space_used_; |
| static const int cell_space_used_; |
| static const int large_space_used_; |
| static const int size_; |
| static const int raw_size_; |
| static const int context_size_; |
| static const int context_raw_size_; |
| |
| static bool Deserialize(const byte* content, int len); |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot); |
| }; |
| |
| } } // namespace v8::internal |
| |
| #endif // V8_SNAPSHOT_H_ |