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sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$') Bug: chromium:1098010 Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262 Reviewed-by: Joshua Peraza <jperaza@chromium.org> Commit-Queue: Mark Mentovai <mark@chromium.org>
89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
// Copyright 2020 The Crashpad Authors
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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_intermediate_dump.h"
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namespace crashpad {
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namespace internal {
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void MemorySnapshotIOSIntermediateDump::Initialize(vm_address_t address,
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vm_address_t data,
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vm_size_t size) {
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INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
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address_ = address;
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data_ = data;
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size_ = base::checked_cast<size_t>(size);
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INITIALIZATION_STATE_SET_VALID(initialized_);
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}
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uint64_t MemorySnapshotIOSIntermediateDump::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 MemorySnapshotIOSIntermediateDump::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 MemorySnapshotIOSIntermediateDump::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(reinterpret_cast<void*>(data_),
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size_);
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}
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const MemorySnapshot* MemorySnapshotIOSIntermediateDump::MergeWithOtherSnapshot(
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const MemorySnapshot* other) const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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auto other_snapshot =
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reinterpret_cast<const MemorySnapshotIOSIntermediateDump*>(other);
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INITIALIZATION_STATE_DCHECK_VALID(other_snapshot->initialized_);
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if (other_snapshot->address_ < address_) {
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return other_snapshot->MergeWithOtherSnapshot(this);
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}
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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<MemorySnapshotIOSIntermediateDump>();
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result->Initialize(merged.base(), data_, merged.size());
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if (size_ == merged.size()) {
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return result.release();
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}
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const uint8_t* data = reinterpret_cast<const uint8_t*>(data_);
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const uint8_t* other_data =
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reinterpret_cast<const uint8_t*>(other_snapshot->data_);
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vm_size_t overlap = merged.size() - other_snapshot->size_;
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result->merged_data_.reserve(merged.size());
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result->merged_data_.insert(result->merged_data_.end(), data, data + overlap);
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result->merged_data_.insert(result->merged_data_.end(),
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other_data,
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other_data + other_snapshot->size_);
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result->data_ =
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reinterpret_cast<const vm_address_t>(result->merged_data_.data());
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DCHECK_EQ(result->merged_data_.size(), 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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