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// 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_