blob: 294c9f90e905e413ada2a4ea47bd9f96f310be2f [file] [log] [blame]
// Copyright 2017 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/fuchsia/process_snapshot_fuchsia.h"
#include "base/logging.h"
#include "util/fuchsia/koid_utilities.h"
namespace crashpad {
ProcessSnapshotFuchsia::ProcessSnapshotFuchsia() = default;
ProcessSnapshotFuchsia::~ProcessSnapshotFuchsia() = default;
bool ProcessSnapshotFuchsia::Initialize(const zx::process& process) {
INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
if (gettimeofday(&snapshot_time_, nullptr) != 0) {
PLOG(ERROR) << "gettimeofday";
return false;
}
if (!process_reader_.Initialize(process) ||
!memory_range_.Initialize(process_reader_.Memory(), true)) {
return false;
}
system_.Initialize(&snapshot_time_);
InitializeThreads();
InitializeModules();
const MemoryMapFuchsia* memory_map = process_reader_.MemoryMap();
if (memory_map) {
for (const auto& entry : memory_map->Entries()) {
if (entry.type == ZX_INFO_MAPS_TYPE_MAPPING) {
memory_map_.push_back(
std::make_unique<internal::MemoryMapRegionSnapshotFuchsia>(entry));
}
}
}
INITIALIZATION_STATE_SET_VALID(initialized_);
return true;
}
bool ProcessSnapshotFuchsia::InitializeException(
zx_koid_t thread_id,
const zx_exception_report_t& report) {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
exception_.reset(new internal::ExceptionSnapshotFuchsia());
exception_->Initialize(&process_reader_, thread_id, report);
return true;
}
void ProcessSnapshotFuchsia::GetCrashpadOptions(
CrashpadInfoClientOptions* options) {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
CrashpadInfoClientOptions local_options;
for (const auto& module : modules_) {
CrashpadInfoClientOptions module_options;
module->GetCrashpadOptions(&module_options);
if (local_options.crashpad_handler_behavior == TriState::kUnset) {
local_options.crashpad_handler_behavior =
module_options.crashpad_handler_behavior;
}
if (local_options.system_crash_reporter_forwarding == TriState::kUnset) {
local_options.system_crash_reporter_forwarding =
module_options.system_crash_reporter_forwarding;
}
if (local_options.gather_indirectly_referenced_memory == TriState::kUnset) {
local_options.gather_indirectly_referenced_memory =
module_options.gather_indirectly_referenced_memory;
local_options.indirectly_referenced_memory_cap =
module_options.indirectly_referenced_memory_cap;
}
// If non-default values have been found for all options, the loop can end
// early.
if (local_options.crashpad_handler_behavior != TriState::kUnset &&
local_options.system_crash_reporter_forwarding != TriState::kUnset &&
local_options.gather_indirectly_referenced_memory != TriState::kUnset) {
break;
}
}
*options = local_options;
}
crashpad::ProcessID ProcessSnapshotFuchsia::ProcessID() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return GetKoidForHandle(*zx::process::self());
}
crashpad::ProcessID ProcessSnapshotFuchsia::ParentProcessID() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
NOTREACHED(); // TODO(scottmg): https://crashpad.chromium.org/bug/196
return 0;
}
void ProcessSnapshotFuchsia::SnapshotTime(timeval* snapshot_time) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
*snapshot_time = snapshot_time_;
}
void ProcessSnapshotFuchsia::ProcessStartTime(timeval* start_time) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
// TODO(scottmg): https://crashpad.chromium.org/bug/196. Nothing available.
*start_time = timeval{};
}
void ProcessSnapshotFuchsia::ProcessCPUTimes(timeval* user_time,
timeval* system_time) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
// TODO(scottmg): https://crashpad.chromium.org/bug/196. Nothing available.
*user_time = timeval{};
*system_time = timeval{};
}
void ProcessSnapshotFuchsia::ReportID(UUID* report_id) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
*report_id = report_id_;
}
void ProcessSnapshotFuchsia::ClientID(UUID* client_id) const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
*client_id = client_id_;
}
const std::map<std::string, std::string>&
ProcessSnapshotFuchsia::AnnotationsSimpleMap() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return annotations_simple_map_;
}
const SystemSnapshot* ProcessSnapshotFuchsia::System() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return &system_;
}
std::vector<const ThreadSnapshot*> ProcessSnapshotFuchsia::Threads() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
std::vector<const ThreadSnapshot*> threads;
for (const auto& thread : threads_) {
threads.push_back(thread.get());
}
return threads;
}
std::vector<const ModuleSnapshot*> ProcessSnapshotFuchsia::Modules() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
std::vector<const ModuleSnapshot*> modules;
for (const auto& module : modules_) {
modules.push_back(module.get());
}
return modules;
}
std::vector<UnloadedModuleSnapshot> ProcessSnapshotFuchsia::UnloadedModules()
const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
// dlclose() never unloads on Fuchsia. ZX-1728 upstream.
return std::vector<UnloadedModuleSnapshot>();
}
const ExceptionSnapshot* ProcessSnapshotFuchsia::Exception() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return exception_.get();
}
std::vector<const MemoryMapRegionSnapshot*> ProcessSnapshotFuchsia::MemoryMap()
const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
std::vector<const MemoryMapRegionSnapshot*> memory_map;
for (const auto& item : memory_map_) {
memory_map.push_back(item.get());
}
return memory_map;
}
std::vector<HandleSnapshot> ProcessSnapshotFuchsia::Handles() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return std::vector<HandleSnapshot>();
}
std::vector<const MemorySnapshot*> ProcessSnapshotFuchsia::ExtraMemory() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return std::vector<const MemorySnapshot*>();
}
const ProcessMemory* ProcessSnapshotFuchsia::Memory() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return process_reader_.Memory();
}
void ProcessSnapshotFuchsia::InitializeThreads() {
const std::vector<ProcessReaderFuchsia::Thread>& process_reader_threads =
process_reader_.Threads();
for (const ProcessReaderFuchsia::Thread& process_reader_thread :
process_reader_threads) {
auto thread = std::make_unique<internal::ThreadSnapshotFuchsia>();
if (thread->Initialize(&process_reader_, process_reader_thread)) {
threads_.push_back(std::move(thread));
}
}
}
void ProcessSnapshotFuchsia::InitializeModules() {
for (const ProcessReaderFuchsia::Module& reader_module :
process_reader_.Modules()) {
auto module =
std::make_unique<internal::ModuleSnapshotElf>(reader_module.name,
reader_module.reader,
reader_module.type,
&memory_range_,
process_reader_.Memory());
if (module->Initialize()) {
modules_.push_back(std::move(module));
}
}
}
} // namespace crashpad