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c63c073d27
Include check_op.h directly, instead of relying on the transitive include from logging.h. This transitive include does not exist in Chromium's //base. Change-Id: I15962a9cdc26ac206032157b8d2659cf263ad695 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/4950200 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Lei Zhang <thestig@chromium.org>
206 lines
6.1 KiB
C++
206 lines
6.1 KiB
C++
// Copyright 2016 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 "minidump/minidump_unloaded_module_writer.h"
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#include <limits>
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#include <utility>
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#include "base/check_op.h"
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#include "minidump/minidump_writer_util.h"
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#include "util/file/file_writer.h"
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#include "util/numeric/in_range_cast.h"
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#include "util/numeric/safe_assignment.h"
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namespace crashpad {
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MinidumpUnloadedModuleWriter::MinidumpUnloadedModuleWriter()
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: MinidumpWritable(), unloaded_module_(), name_() {}
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MinidumpUnloadedModuleWriter::~MinidumpUnloadedModuleWriter() {
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}
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void MinidumpUnloadedModuleWriter::InitializeFromSnapshot(
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const UnloadedModuleSnapshot& unloaded_module_snapshot) {
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DCHECK_EQ(state(), kStateMutable);
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DCHECK(!name_);
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SetName(unloaded_module_snapshot.Name());
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SetImageBaseAddress(unloaded_module_snapshot.Address());
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SetImageSize(InRangeCast<uint32_t>(unloaded_module_snapshot.Size(),
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std::numeric_limits<uint32_t>::max()));
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SetTimestamp(unloaded_module_snapshot.Timestamp());
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SetChecksum(unloaded_module_snapshot.Checksum());
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}
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const MINIDUMP_UNLOADED_MODULE*
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MinidumpUnloadedModuleWriter::MinidumpUnloadedModule() const {
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DCHECK_EQ(state(), kStateWritable);
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return &unloaded_module_;
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}
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void MinidumpUnloadedModuleWriter::SetName(const std::string& name) {
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DCHECK_EQ(state(), kStateMutable);
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if (!name_) {
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name_.reset(new internal::MinidumpUTF16StringWriter());
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}
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name_->SetUTF8(name);
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}
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void MinidumpUnloadedModuleWriter::SetTimestamp(time_t timestamp) {
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DCHECK_EQ(state(), kStateMutable);
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internal::MinidumpWriterUtil::AssignTimeT(&unloaded_module_.TimeDateStamp,
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timestamp);
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}
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bool MinidumpUnloadedModuleWriter::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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CHECK(name_);
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if (!MinidumpWritable::Freeze()) {
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return false;
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}
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name_->RegisterRVA(&unloaded_module_.ModuleNameRva);
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return true;
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}
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size_t MinidumpUnloadedModuleWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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// This object doesn’t directly write anything itself. Its
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// MINIDUMP_UNLOADED_MODULE is written by its parent as part of a
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// MINIDUMP_UNLOADED_MODULE_LIST, and its children are responsible for writing
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// themselves.
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return 0;
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}
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std::vector<internal::MinidumpWritable*>
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MinidumpUnloadedModuleWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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DCHECK(name_);
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std::vector<MinidumpWritable*> children(1, name_.get());
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return children;
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}
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bool MinidumpUnloadedModuleWriter::WriteObject(
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FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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// This object doesn’t directly write anything itself. Its
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// MINIDUMP_UNLOADED_MODULE is written by its parent as part of a
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// MINIDUMP_UNLOADED_MODULE_LIST, and its children are responsible for writing
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// themselves.
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return true;
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}
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MinidumpUnloadedModuleListWriter::MinidumpUnloadedModuleListWriter()
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: MinidumpStreamWriter(),
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unloaded_modules_(),
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unloaded_module_list_base_() {}
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MinidumpUnloadedModuleListWriter::~MinidumpUnloadedModuleListWriter() {
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}
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void MinidumpUnloadedModuleListWriter::InitializeFromSnapshot(
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const std::vector<UnloadedModuleSnapshot>& unloaded_module_snapshots) {
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DCHECK_EQ(state(), kStateMutable);
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DCHECK(unloaded_modules_.empty());
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for (const UnloadedModuleSnapshot& unloaded_module_snapshot :
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unloaded_module_snapshots) {
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auto unloaded_module = std::make_unique<MinidumpUnloadedModuleWriter>();
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unloaded_module->InitializeFromSnapshot(unloaded_module_snapshot);
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AddUnloadedModule(std::move(unloaded_module));
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}
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}
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void MinidumpUnloadedModuleListWriter::AddUnloadedModule(
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std::unique_ptr<MinidumpUnloadedModuleWriter> unloaded_module) {
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DCHECK_EQ(state(), kStateMutable);
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unloaded_modules_.push_back(std::move(unloaded_module));
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}
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bool MinidumpUnloadedModuleListWriter::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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if (!MinidumpStreamWriter::Freeze()) {
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return false;
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}
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unloaded_module_list_base_.SizeOfHeader =
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sizeof(MINIDUMP_UNLOADED_MODULE_LIST);
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unloaded_module_list_base_.SizeOfEntry = sizeof(MINIDUMP_UNLOADED_MODULE);
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size_t unloaded_module_count = unloaded_modules_.size();
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if (!AssignIfInRange(&unloaded_module_list_base_.NumberOfEntries,
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unloaded_module_count)) {
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LOG(ERROR) << "unloaded_module_count " << unloaded_module_count
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<< " out of range";
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return false;
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}
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return true;
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}
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size_t MinidumpUnloadedModuleListWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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return sizeof(unloaded_module_list_base_) +
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unloaded_modules_.size() * sizeof(MINIDUMP_UNLOADED_MODULE);
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}
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std::vector<internal::MinidumpWritable*>
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MinidumpUnloadedModuleListWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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std::vector<MinidumpWritable*> children;
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for (const auto& unloaded_module : unloaded_modules_) {
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children.push_back(unloaded_module.get());
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}
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return children;
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}
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bool MinidumpUnloadedModuleListWriter::WriteObject(
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FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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WritableIoVec iov;
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iov.iov_base = &unloaded_module_list_base_;
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iov.iov_len = sizeof(unloaded_module_list_base_);
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std::vector<WritableIoVec> iovecs(1, iov);
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for (const auto& unloaded_module : unloaded_modules_) {
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iov.iov_base = unloaded_module->MinidumpUnloadedModule();
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iov.iov_len = sizeof(MINIDUMP_UNLOADED_MODULE);
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iovecs.push_back(iov);
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}
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return file_writer->WriteIoVec(&iovecs);
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}
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MinidumpStreamType MinidumpUnloadedModuleListWriter::StreamType() const {
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return kMinidumpStreamTypeUnloadedModuleList;
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}
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} // namespace crashpad
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