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// Copyright 2020 The Crashpad Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef CRASHPAD_SNAPSHOT_IOS_INTERMEDIATE_DUMP_MEMORY_SNAPSHOT_IOS_INTERMEDIATEDUMP_H_
#define CRASHPAD_SNAPSHOT_IOS_INTERMEDIATE_DUMP_MEMORY_SNAPSHOT_IOS_INTERMEDIATEDUMP_H_
#include <vector>
#include "snapshot/memory_snapshot.h"
#include "util/misc/address_types.h"
#include "util/misc/initialization_state_dcheck.h"
namespace crashpad {
namespace internal {
//! \brief A MemorySnapshot of a memory region.
class MemorySnapshotIOSIntermediateDump final : public MemorySnapshot {
public:
MemorySnapshotIOSIntermediateDump() = default;
MemorySnapshotIOSIntermediateDump(const MemorySnapshotIOSIntermediateDump&) =
delete;
MemorySnapshotIOSIntermediateDump& operator=(
const MemorySnapshotIOSIntermediateDump&) = delete;
~MemorySnapshotIOSIntermediateDump() = default;
//! \brief Initializes the object.
//!
//! \param[in] address The base address of the memory region to snapshot.
//! \param[in] size The size of the memory region to snapshot.
void Initialize(vm_address_t address, vm_address_t data, vm_size_t size);
// MemorySnapshot:
uint64_t Address() const override;
size_t Size() const override;
bool Read(Delegate* delegate) const override;
const MemorySnapshot* MergeWithOtherSnapshot(
const MemorySnapshot* other) const override;
private:
template <class T>
friend const MemorySnapshot* MergeWithOtherSnapshotImpl(
const T* self,
const MemorySnapshot* other);
vm_address_t address_;
vm_address_t data_;
// Because the iOS snapshot memory region is owned by the intermediate dump,
// it's necessary to copy the merged data into a vector owned by the memory
// snapshot itself.
std::vector<uint8_t> merged_data_;
vm_size_t size_;
InitializationStateDcheck initialized_;
};
} // namespace internal
} // namespace crashpad
#endif // CRASHPAD_SNAPSHOT_IOS_INTERMEDIATE_DUMP_MEMORY_SNAPSHOT_IOS_INTERMEDIATEDUMP_H_