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66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
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// Copyright 2020 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "snapshot/ios/memory_snapshot_ios.h"
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namespace crashpad {
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namespace internal {
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void MemorySnapshotIOS::Initialize(vm_address_t address, vm_size_t size) {
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INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
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address_ = address;
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size_ = base::checked_cast<size_t>(size);
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// TODO(justincohen): This is temporary, as MemorySnapshotIOS will likely be
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// able to point directly to the deserialized data dump rather than copying
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// data around.
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buffer_ = std::unique_ptr<uint8_t[]>(new uint8_t[size_]);
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memcpy(buffer_.get(), reinterpret_cast<void*>(address_), size_);
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INITIALIZATION_STATE_SET_VALID(initialized_);
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}
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uint64_t MemorySnapshotIOS::Address() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return address_;
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}
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size_t MemorySnapshotIOS::Size() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return size_;
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}
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bool MemorySnapshotIOS::Read(Delegate* delegate) const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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if (size_ == 0) {
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return delegate->MemorySnapshotDelegateRead(nullptr, size_);
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}
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return delegate->MemorySnapshotDelegateRead(buffer_.get(), size_);
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}
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const MemorySnapshot* MemorySnapshotIOS::MergeWithOtherSnapshot(
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const MemorySnapshot* other) const {
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CheckedRange<uint64_t, size_t> merged(0, 0);
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if (!LoggingDetermineMergedRange(this, other, &merged))
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return nullptr;
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auto result = std::make_unique<MemorySnapshotIOS>();
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result->Initialize(merged.base(), merged.size());
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return result.release();
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}
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} // namespace internal
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} // namespace crashpad
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