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3ef04d14f2
Reads CodeView PDB GUID from Debug Directory of PE header. R=mark@chromium.org BUG=crashpad:1 Review URL: https://codereview.chromium.org/1311003003 .
460 lines
13 KiB
C++
460 lines
13 KiB
C++
// Copyright 2014 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 "minidump/minidump_module_writer.h"
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#include <sys/types.h>
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#include <limits>
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#include "base/logging.h"
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#include "base/numerics/safe_conversions.h"
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#include "minidump/minidump_string_writer.h"
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#include "minidump/minidump_writer_util.h"
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#include "snapshot/module_snapshot.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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MinidumpModuleCodeViewRecordWriter::~MinidumpModuleCodeViewRecordWriter() {
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}
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namespace internal {
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template <typename CodeViewRecordType>
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MinidumpModuleCodeViewRecordPDBLinkWriter<
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CodeViewRecordType>::MinidumpModuleCodeViewRecordPDBLinkWriter()
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: MinidumpModuleCodeViewRecordWriter(), codeview_record_(), pdb_name_() {
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codeview_record_.signature = CodeViewRecordType::kSignature;
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}
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template <typename CodeViewRecordType>
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MinidumpModuleCodeViewRecordPDBLinkWriter<
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CodeViewRecordType>::~MinidumpModuleCodeViewRecordPDBLinkWriter() {
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}
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template <typename CodeViewRecordType>
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size_t
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MinidumpModuleCodeViewRecordPDBLinkWriter<CodeViewRecordType>::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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// NUL-terminate.
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return offsetof(decltype(codeview_record_), pdb_name) +
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(pdb_name_.size() + 1) * sizeof(pdb_name_[0]);
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}
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template <typename CodeViewRecordType>
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bool MinidumpModuleCodeViewRecordPDBLinkWriter<CodeViewRecordType>::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 = &codeview_record_;
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iov.iov_len = offsetof(decltype(codeview_record_), pdb_name);
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std::vector<WritableIoVec> iovecs(1, iov);
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// NUL-terminate.
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iov.iov_base = &pdb_name_[0];
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iov.iov_len = (pdb_name_.size() + 1) * sizeof(pdb_name_[0]);
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iovecs.push_back(iov);
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return file_writer->WriteIoVec(&iovecs);
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}
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} // namespace internal
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template class internal::MinidumpModuleCodeViewRecordPDBLinkWriter<
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CodeViewRecordPDB20>;
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MinidumpModuleCodeViewRecordPDB20Writer::
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~MinidumpModuleCodeViewRecordPDB20Writer() {
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}
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void MinidumpModuleCodeViewRecordPDB20Writer::SetTimestampAndAge(
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time_t timestamp,
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uint32_t age) {
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DCHECK_EQ(state(), kStateMutable);
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internal::MinidumpWriterUtil::AssignTimeT(&codeview_record()->timestamp,
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timestamp);
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codeview_record()->age = age;
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}
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template class internal::MinidumpModuleCodeViewRecordPDBLinkWriter<
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CodeViewRecordPDB70>;
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MinidumpModuleCodeViewRecordPDB70Writer::
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~MinidumpModuleCodeViewRecordPDB70Writer() {
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}
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void MinidumpModuleCodeViewRecordPDB70Writer::InitializeFromSnapshot(
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const ModuleSnapshot* module_snapshot) {
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DCHECK_EQ(state(), kStateMutable);
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std::string name = module_snapshot->Name();
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std::string leaf_name;
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size_t last_slash = name.find_last_of('/');
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if (last_slash != std::string::npos) {
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leaf_name = name.substr(last_slash + 1);
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} else {
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leaf_name = name;
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}
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SetPDBName(leaf_name);
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UUID uuid;
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module_snapshot->UUID(&uuid);
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SetUUIDAndAge(uuid, 0);
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}
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MinidumpModuleMiscDebugRecordWriter::MinidumpModuleMiscDebugRecordWriter()
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: internal::MinidumpWritable(),
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image_debug_misc_(),
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data_(),
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data_utf16_() {
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}
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MinidumpModuleMiscDebugRecordWriter::~MinidumpModuleMiscDebugRecordWriter() {
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}
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void MinidumpModuleMiscDebugRecordWriter::SetData(const std::string& data,
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bool utf16) {
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DCHECK_EQ(state(), kStateMutable);
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if (!utf16) {
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data_utf16_.clear();
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image_debug_misc_.Unicode = 0;
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data_ = data;
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} else {
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data_.clear();
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image_debug_misc_.Unicode = 1;
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data_utf16_ = internal::MinidumpWriterUtil::ConvertUTF8ToUTF16(data);
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}
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}
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bool MinidumpModuleMiscDebugRecordWriter::Freeze() {
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DCHECK_EQ(state(), kStateMutable);
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if (!MinidumpWritable::Freeze()) {
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return false;
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}
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// NUL-terminate.
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if (!image_debug_misc_.Unicode) {
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DCHECK(data_utf16_.empty());
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image_debug_misc_.Length = base::checked_cast<uint32_t>(
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offsetof(decltype(image_debug_misc_), Data) +
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(data_.size() + 1) * sizeof(data_[0]));
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} else {
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DCHECK(data_.empty());
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image_debug_misc_.Length = base::checked_cast<uint32_t>(
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offsetof(decltype(image_debug_misc_), Data) +
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(data_utf16_.size() + 1) * sizeof(data_utf16_[0]));
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}
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return true;
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}
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size_t MinidumpModuleMiscDebugRecordWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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return image_debug_misc_.Length;
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}
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bool MinidumpModuleMiscDebugRecordWriter::WriteObject(
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FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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const size_t base_length = offsetof(decltype(image_debug_misc_), Data);
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WritableIoVec iov;
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iov.iov_base = &image_debug_misc_;
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iov.iov_len = base_length;
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std::vector<WritableIoVec> iovecs(1, iov);
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if (!image_debug_misc_.Unicode) {
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DCHECK(data_utf16_.empty());
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iov.iov_base = &data_[0];
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} else {
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DCHECK(data_.empty());
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iov.iov_base = &data_utf16_[0];
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}
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iov.iov_len = image_debug_misc_.Length - base_length;
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iovecs.push_back(iov);
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return file_writer->WriteIoVec(&iovecs);
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}
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MinidumpModuleWriter::MinidumpModuleWriter()
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: MinidumpWritable(),
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module_(),
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name_(),
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codeview_record_(nullptr),
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misc_debug_record_(nullptr) {
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module_.VersionInfo.dwSignature = VS_FFI_SIGNATURE;
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module_.VersionInfo.dwStrucVersion = VS_FFI_STRUCVERSION;
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}
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MinidumpModuleWriter::~MinidumpModuleWriter() {
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}
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void MinidumpModuleWriter::InitializeFromSnapshot(
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const ModuleSnapshot* module_snapshot) {
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DCHECK_EQ(state(), kStateMutable);
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DCHECK(!name_);
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DCHECK(!codeview_record_);
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DCHECK(!misc_debug_record_);
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SetName(module_snapshot->Name());
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SetImageBaseAddress(module_snapshot->Address());
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SetImageSize(InRangeCast<uint32_t>(module_snapshot->Size(),
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std::numeric_limits<uint32_t>::max()));
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SetTimestamp(module_snapshot->Timestamp());
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uint16_t v[4];
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module_snapshot->FileVersion(&v[0], &v[1], &v[2], &v[3]);
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SetFileVersion(v[0], v[1], v[2], v[3]);
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module_snapshot->SourceVersion(&v[0], &v[1], &v[2], &v[3]);
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SetProductVersion(v[0], v[1], v[2], v[3]);
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uint32_t file_type;
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switch (module_snapshot->GetModuleType()) {
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case ModuleSnapshot::kModuleTypeExecutable:
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file_type = VFT_APP;
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break;
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case ModuleSnapshot::kModuleTypeSharedLibrary:
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case ModuleSnapshot::kModuleTypeLoadableModule:
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file_type = VFT_DLL;
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break;
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default:
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file_type = VFT_UNKNOWN;
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break;
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}
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SetFileTypeAndSubtype(file_type, VFT2_UNKNOWN);
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auto codeview_record =
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make_scoped_ptr(new MinidumpModuleCodeViewRecordPDB70Writer());
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codeview_record->InitializeFromSnapshot(module_snapshot);
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SetCodeViewRecord(codeview_record.Pass());
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}
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const MINIDUMP_MODULE* MinidumpModuleWriter::MinidumpModule() const {
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DCHECK_EQ(state(), kStateWritable);
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return &module_;
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}
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void MinidumpModuleWriter::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 MinidumpModuleWriter::SetCodeViewRecord(
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scoped_ptr<MinidumpModuleCodeViewRecordWriter> codeview_record) {
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DCHECK_EQ(state(), kStateMutable);
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codeview_record_ = codeview_record.Pass();
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}
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void MinidumpModuleWriter::SetMiscDebugRecord(
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scoped_ptr<MinidumpModuleMiscDebugRecordWriter> misc_debug_record) {
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DCHECK_EQ(state(), kStateMutable);
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misc_debug_record_ = misc_debug_record.Pass();
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}
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void MinidumpModuleWriter::SetTimestamp(time_t timestamp) {
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DCHECK_EQ(state(), kStateMutable);
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internal::MinidumpWriterUtil::AssignTimeT(&module_.TimeDateStamp, timestamp);
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}
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void MinidumpModuleWriter::SetFileVersion(uint16_t version_0,
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uint16_t version_1,
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uint16_t version_2,
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uint16_t version_3) {
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DCHECK_EQ(state(), kStateMutable);
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module_.VersionInfo.dwFileVersionMS =
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(implicit_cast<uint32_t>(version_0) << 16) | version_1;
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module_.VersionInfo.dwFileVersionLS =
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(implicit_cast<uint32_t>(version_2) << 16) | version_3;
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}
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void MinidumpModuleWriter::SetProductVersion(uint16_t version_0,
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uint16_t version_1,
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uint16_t version_2,
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uint16_t version_3) {
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DCHECK_EQ(state(), kStateMutable);
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module_.VersionInfo.dwProductVersionMS =
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(implicit_cast<uint32_t>(version_0) << 16) | version_1;
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module_.VersionInfo.dwProductVersionLS =
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(implicit_cast<uint32_t>(version_2) << 16) | version_3;
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}
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void MinidumpModuleWriter::SetFileFlagsAndMask(uint32_t file_flags,
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uint32_t file_flags_mask) {
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DCHECK_EQ(state(), kStateMutable);
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DCHECK_EQ(file_flags & ~file_flags_mask, 0u);
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module_.VersionInfo.dwFileFlags = file_flags;
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module_.VersionInfo.dwFileFlagsMask = file_flags_mask;
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}
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bool MinidumpModuleWriter::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(&module_.ModuleNameRva);
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if (codeview_record_) {
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codeview_record_->RegisterLocationDescriptor(&module_.CvRecord);
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}
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if (misc_debug_record_) {
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misc_debug_record_->RegisterLocationDescriptor(&module_.MiscRecord);
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}
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return true;
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}
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size_t MinidumpModuleWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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// This object doesn’t directly write anything itself. Its MINIDUMP_MODULE is
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// written by its parent as part of a MINIDUMP_MODULE_LIST, and its children
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// are responsible for writing themselves.
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return 0;
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}
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std::vector<internal::MinidumpWritable*> MinidumpModuleWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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DCHECK(name_);
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std::vector<MinidumpWritable*> children;
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children.push_back(name_.get());
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if (codeview_record_) {
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children.push_back(codeview_record_.get());
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}
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if (misc_debug_record_) {
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children.push_back(misc_debug_record_.get());
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}
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return children;
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}
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bool MinidumpModuleWriter::WriteObject(FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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// This object doesn’t directly write anything itself. Its MINIDUMP_MODULE is
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// written by its parent as part of a MINIDUMP_MODULE_LIST, and its children
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// are responsible for writing themselves.
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return true;
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}
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MinidumpModuleListWriter::MinidumpModuleListWriter()
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: MinidumpStreamWriter(), modules_(), module_list_base_() {
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}
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MinidumpModuleListWriter::~MinidumpModuleListWriter() {
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}
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void MinidumpModuleListWriter::InitializeFromSnapshot(
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const std::vector<const ModuleSnapshot*>& module_snapshots) {
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DCHECK_EQ(state(), kStateMutable);
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DCHECK(modules_.empty());
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for (const ModuleSnapshot* module_snapshot : module_snapshots) {
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auto module = make_scoped_ptr(new MinidumpModuleWriter());
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module->InitializeFromSnapshot(module_snapshot);
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AddModule(module.Pass());
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}
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}
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void MinidumpModuleListWriter::AddModule(
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scoped_ptr<MinidumpModuleWriter> module) {
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DCHECK_EQ(state(), kStateMutable);
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modules_.push_back(module.release());
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}
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bool MinidumpModuleListWriter::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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size_t module_count = modules_.size();
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if (!AssignIfInRange(&module_list_base_.NumberOfModules, module_count)) {
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LOG(ERROR) << "module_count " << module_count << " 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 MinidumpModuleListWriter::SizeOfObject() {
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DCHECK_GE(state(), kStateFrozen);
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return sizeof(module_list_base_) + modules_.size() * sizeof(MINIDUMP_MODULE);
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}
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std::vector<internal::MinidumpWritable*> MinidumpModuleListWriter::Children() {
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DCHECK_GE(state(), kStateFrozen);
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std::vector<MinidumpWritable*> children;
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for (MinidumpModuleWriter* module : modules_) {
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children.push_back(module);
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}
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return children;
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}
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bool MinidumpModuleListWriter::WriteObject(FileWriterInterface* file_writer) {
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DCHECK_EQ(state(), kStateWritable);
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WritableIoVec iov;
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iov.iov_base = &module_list_base_;
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iov.iov_len = sizeof(module_list_base_);
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std::vector<WritableIoVec> iovecs(1, iov);
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for (const MinidumpModuleWriter* module : modules_) {
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iov.iov_base = module->MinidumpModule();
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iov.iov_len = sizeof(MINIDUMP_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 MinidumpModuleListWriter::StreamType() const {
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return kMinidumpStreamTypeModuleList;
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}
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} // namespace crashpad
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