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Unified Diff: third_party/crashpad/crashpad/snapshot/win/module_snapshot_win.cc

Issue 1505213004: Copy Crashpad into the Chrome tree instead of importing it via DEPS (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments, update README.chromium Created 5 years ago
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Index: third_party/crashpad/crashpad/snapshot/win/module_snapshot_win.cc
diff --git a/third_party/crashpad/crashpad/snapshot/win/module_snapshot_win.cc b/third_party/crashpad/crashpad/snapshot/win/module_snapshot_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..49478880f8432fa7c194c824bce3482100ff4f9a
--- /dev/null
+++ b/third_party/crashpad/crashpad/snapshot/win/module_snapshot_win.cc
@@ -0,0 +1,223 @@
+// Copyright 2015 The Crashpad Authors. All rights reserved.
+//
+// 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.
+
+#include "snapshot/win/module_snapshot_win.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "snapshot/win/pe_image_annotations_reader.h"
+#include "snapshot/win/pe_image_reader.h"
+#include "util/misc/tri_state.h"
+#include "util/misc/uuid.h"
+#include "util/win/module_version.h"
+
+namespace crashpad {
+namespace internal {
+
+ModuleSnapshotWin::ModuleSnapshotWin()
+ : ModuleSnapshot(),
+ name_(),
+ pdb_name_(),
+ uuid_(),
+ pe_image_reader_(),
+ process_reader_(nullptr),
+ timestamp_(0),
+ age_(0),
+ initialized_(),
+ vs_fixed_file_info_(),
+ initialized_vs_fixed_file_info_() {
+}
+
+ModuleSnapshotWin::~ModuleSnapshotWin() {
+}
+
+bool ModuleSnapshotWin::Initialize(
+ ProcessReaderWin* process_reader,
+ const ProcessInfo::Module& process_reader_module) {
+ INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
+
+ process_reader_ = process_reader;
+ name_ = process_reader_module.name;
+ timestamp_ = process_reader_module.timestamp;
+ pe_image_reader_.reset(new PEImageReader());
+ if (!pe_image_reader_->Initialize(process_reader_,
+ process_reader_module.dll_base,
+ process_reader_module.size,
+ base::UTF16ToUTF8(name_))) {
+ return false;
+ }
+
+ DWORD age_dword;
+ if (pe_image_reader_->DebugDirectoryInformation(
+ &uuid_, &age_dword, &pdb_name_)) {
+ static_assert(sizeof(DWORD) == sizeof(uint32_t), "unexpected age size");
+ age_ = age_dword;
+ } else {
+ // If we fully supported all old debugging formats, we would want to extract
+ // and emit a different type of CodeView record here (as old Microsoft tools
+ // would do). As we don't expect to ever encounter a module that wouldn't be
+ // be using .PDB that we actually have symbols for, we simply set a
+ // plausible name here, but this will never correspond to symbols that we
+ // have.
+ pdb_name_ = base::UTF16ToUTF8(name_);
+ }
+
+ INITIALIZATION_STATE_SET_VALID(initialized_);
+ return true;
+}
+
+void ModuleSnapshotWin::GetCrashpadOptions(CrashpadInfoClientOptions* options) {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ if (process_reader_->Is64Bit())
+ GetCrashpadOptionsInternal<process_types::internal::Traits64>(options);
+ else
+ GetCrashpadOptionsInternal<process_types::internal::Traits32>(options);
+}
+
+std::string ModuleSnapshotWin::Name() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ return base::UTF16ToUTF8(name_);
+}
+
+uint64_t ModuleSnapshotWin::Address() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ return pe_image_reader_->Address();
+}
+
+uint64_t ModuleSnapshotWin::Size() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ return pe_image_reader_->Size();
+}
+
+time_t ModuleSnapshotWin::Timestamp() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ return timestamp_;
+}
+
+void ModuleSnapshotWin::FileVersion(uint16_t* version_0,
+ uint16_t* version_1,
+ uint16_t* version_2,
+ uint16_t* version_3) const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ const VS_FIXEDFILEINFO* ffi = VSFixedFileInfo();
+ if (ffi) {
+ *version_0 = ffi->dwFileVersionMS >> 16;
+ *version_1 = ffi->dwFileVersionMS & 0xffff;
+ *version_2 = ffi->dwFileVersionLS >> 16;
+ *version_3 = ffi->dwFileVersionLS & 0xffff;
+ } else {
+ *version_0 = 0;
+ *version_1 = 0;
+ *version_2 = 0;
+ *version_3 = 0;
+ }
+}
+
+void ModuleSnapshotWin::SourceVersion(uint16_t* version_0,
+ uint16_t* version_1,
+ uint16_t* version_2,
+ uint16_t* version_3) const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ const VS_FIXEDFILEINFO* ffi = VSFixedFileInfo();
+ if (ffi) {
+ *version_0 = ffi->dwProductVersionMS >> 16;
+ *version_1 = ffi->dwProductVersionMS & 0xffff;
+ *version_2 = ffi->dwProductVersionLS >> 16;
+ *version_3 = ffi->dwProductVersionLS & 0xffff;
+ } else {
+ *version_0 = 0;
+ *version_1 = 0;
+ *version_2 = 0;
+ *version_3 = 0;
+ }
+}
+
+ModuleSnapshot::ModuleType ModuleSnapshotWin::GetModuleType() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ const VS_FIXEDFILEINFO* ffi = VSFixedFileInfo();
+ if (ffi) {
+ switch (ffi->dwFileType) {
+ case VFT_APP:
+ return ModuleSnapshot::kModuleTypeExecutable;
+ case VFT_DLL:
+ return ModuleSnapshot::kModuleTypeSharedLibrary;
+ case VFT_DRV:
+ case VFT_VXD:
+ return ModuleSnapshot::kModuleTypeLoadableModule;
+ }
+ }
+ return ModuleSnapshot::kModuleTypeUnknown;
+}
+
+void ModuleSnapshotWin::UUIDAndAge(crashpad::UUID* uuid, uint32_t* age) const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ *uuid = uuid_;
+ *age = age_;
+}
+
+std::string ModuleSnapshotWin::DebugFileName() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ return pdb_name_;
+}
+
+std::vector<std::string> ModuleSnapshotWin::AnnotationsVector() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ // These correspond to system-logged things on Mac. We don't currently track
+ // any of these on Windows, but could in the future.
+ // See https://crashpad.chromium.org/bug/38.
+ return std::vector<std::string>();
+}
+
+std::map<std::string, std::string> ModuleSnapshotWin::AnnotationsSimpleMap()
+ const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+ PEImageAnnotationsReader annotations_reader(
+ process_reader_, pe_image_reader_.get(), name_);
+ return annotations_reader.SimpleMap();
+}
+
+template <class Traits>
+void ModuleSnapshotWin::GetCrashpadOptionsInternal(
+ CrashpadInfoClientOptions* options) {
+ process_types::CrashpadInfo<Traits> crashpad_info;
+ if (!pe_image_reader_->GetCrashpadInfo(&crashpad_info)) {
+ options->crashpad_handler_behavior = TriState::kUnset;
+ options->system_crash_reporter_forwarding = TriState::kUnset;
+ return;
+ }
+
+ options->crashpad_handler_behavior =
+ CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
+ crashpad_info.crashpad_handler_behavior);
+
+ options->system_crash_reporter_forwarding =
+ CrashpadInfoClientOptions::TriStateFromCrashpadInfo(
+ crashpad_info.system_crash_reporter_forwarding);
+}
+
+const VS_FIXEDFILEINFO* ModuleSnapshotWin::VSFixedFileInfo() const {
+ INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+
+ if (initialized_vs_fixed_file_info_.is_uninitialized()) {
+ initialized_vs_fixed_file_info_.set_invalid();
+ if (GetModuleVersionAndType(base::FilePath(name_), &vs_fixed_file_info_)) {
+ initialized_vs_fixed_file_info_.set_valid();
+ }
+ }
+
+ return initialized_vs_fixed_file_info_.is_valid() ? &vs_fixed_file_info_
+ : nullptr;
+}
+
+} // namespace internal
+} // namespace crashpad

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