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// Copyright 2014 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/mac/thread_snapshot_mac.h"
#include "base/logging.h"
#include "snapshot/mac/cpu_context_mac.h"
#include "snapshot/mac/process_reader_mac.h"
namespace crashpad {
namespace internal {
ThreadSnapshotMac::ThreadSnapshotMac()
: ThreadSnapshot(),
context_union_(),
context_(),
stack_(),
thread_id_(0),
thread_specific_data_address_(0),
thread_(MACH_PORT_NULL),
suspend_count_(0),
priority_(0),
initialized_() {
}
ThreadSnapshotMac::~ThreadSnapshotMac() {
}
bool ThreadSnapshotMac::Initialize(
ProcessReaderMac* process_reader,
const ProcessReaderMac::Thread& process_reader_thread) {
INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
thread_ = process_reader_thread.port;
thread_id_ = process_reader_thread.id;
suspend_count_ = process_reader_thread.suspend_count;
priority_ = process_reader_thread.priority;
thread_specific_data_address_ =
process_reader_thread.thread_specific_data_address;
stack_.Initialize(process_reader->Memory(),
process_reader_thread.stack_region_address,
process_reader_thread.stack_region_size);
#if defined(ARCH_CPU_X86_FAMILY)
if (process_reader->Is64Bit()) {
context_.architecture = kCPUArchitectureX86_64;
context_.x86_64 = &context_union_.x86_64;
InitializeCPUContextX86_64(context_.x86_64,
THREAD_STATE_NONE,
nullptr,
0,
&process_reader_thread.thread_context.t64,
&process_reader_thread.float_context.f64,
&process_reader_thread.debug_context.d64);
} else {
context_.architecture = kCPUArchitectureX86;
context_.x86 = &context_union_.x86;
InitializeCPUContextX86(context_.x86,
THREAD_STATE_NONE,
nullptr,
0,
&process_reader_thread.thread_context.t32,
&process_reader_thread.float_context.f32,
&process_reader_thread.debug_context.d32);
}
#endif
INITIALIZATION_STATE_SET_VALID(initialized_);
return true;
}
const CPUContext* ThreadSnapshotMac::Context() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return &context_;
}
const MemorySnapshot* ThreadSnapshotMac::Stack() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return &stack_;
}
uint64_t ThreadSnapshotMac::ThreadID() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return thread_id_;
}
int ThreadSnapshotMac::SuspendCount() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return suspend_count_;
}
int ThreadSnapshotMac::Priority() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return priority_;
}
uint64_t ThreadSnapshotMac::ThreadSpecificDataAddress() const {
INITIALIZATION_STATE_DCHECK_VALID(initialized_);
return thread_specific_data_address_;
}
std::vector<const MemorySnapshot*> ThreadSnapshotMac::ExtraMemory() const {
return std::vector<const MemorySnapshot*>();
}
} // namespace internal
} // namespace crashpad