| // Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_BIN_SNAPSHOT_UTILS_H_ |
| #define RUNTIME_BIN_SNAPSHOT_UTILS_H_ |
| |
| #include "bin/dartutils.h" |
| #include "platform/globals.h" |
| |
| namespace dart { |
| namespace bin { |
| |
| class AppSnapshot { |
| public: |
| virtual ~AppSnapshot() {} |
| |
| virtual void SetBuffers(const uint8_t** vm_data_buffer, |
| const uint8_t** vm_instructions_buffer, |
| const uint8_t** isolate_data_buffer, |
| const uint8_t** isolate_instructions_buffer) = 0; |
| |
| bool IsJIT() const { return magic_number_ == DartUtils::kAppJITMagicNumber; } |
| bool IsAOT() const { return DartUtils::IsAotMagicNumber(magic_number_); } |
| bool IsJITorAOT() const { return IsJIT() || IsAOT(); } |
| bool IsKernel() const { |
| return magic_number_ == DartUtils::kKernelMagicNumber; |
| } |
| bool IsKernelList() const { |
| return magic_number_ == DartUtils::kKernelListMagicNumber; |
| } |
| |
| protected: |
| explicit AppSnapshot(DartUtils::MagicNumber num) : magic_number_(num) {} |
| |
| private: |
| DartUtils::MagicNumber magic_number_; |
| DISALLOW_COPY_AND_ASSIGN(AppSnapshot); |
| }; |
| |
| class Snapshot { |
| public: |
| static void GenerateKernel(const char* snapshot_filename, |
| const char* script_name, |
| const char* package_config); |
| static void GenerateAppJIT(const char* snapshot_filename); |
| static void GenerateAppAOTAsAssembly(const char* snapshot_filename); |
| |
| #if defined(DART_TARGET_OS_MACOS) |
| static bool IsMachOFormattedBinary(const char* container_path); |
| #endif |
| #if defined(DART_TARGET_OS_WINDOWS) |
| static bool IsPEFormattedBinary(const char* container_path); |
| #endif |
| |
| static AppSnapshot* TryReadAppendedAppSnapshotElf(const char* container_path); |
| static AppSnapshot* TryReadAppSnapshot( |
| const char* script_uri, |
| bool force_load_elf_from_memory = false, |
| bool decode_uri = true); |
| static void WriteAppSnapshot(const char* filename, |
| uint8_t* isolate_data_buffer, |
| intptr_t isolate_data_size, |
| uint8_t* isolate_instructions_buffer, |
| intptr_t isolate_instructions_size); |
| |
| private: |
| #if defined(DART_TARGET_OS_MACOS) |
| static AppSnapshot* TryReadAppendedAppSnapshotElfFromMachO( |
| const char* container_path); |
| #endif |
| #if defined(DART_TARGET_OS_WINDOWS) |
| static AppSnapshot* TryReadAppendedAppSnapshotElfFromPE( |
| const char* container_path); |
| #endif |
| |
| DISALLOW_ALLOCATION(); |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot); |
| }; |
| |
| } // namespace bin |
| } // namespace dart |
| |
| #endif // RUNTIME_BIN_SNAPSHOT_UTILS_H_ |