114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
// Copyright 2018 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 "snapshot/fuchsia/thread_snapshot_fuchsia.h"
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#include "base/check_op.h"
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#include "snapshot/fuchsia/cpu_context_fuchsia.h"
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namespace crashpad {
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namespace internal {
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ThreadSnapshotFuchsia::ThreadSnapshotFuchsia()
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: ThreadSnapshot(),
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context_arch_(),
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context_(),
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stack_(),
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thread_name_(),
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thread_id_(ZX_KOID_INVALID),
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thread_specific_data_address_(0),
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initialized_() {}
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ThreadSnapshotFuchsia::~ThreadSnapshotFuchsia() {}
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bool ThreadSnapshotFuchsia::Initialize(
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ProcessReaderFuchsia* process_reader,
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const ProcessReaderFuchsia::Thread& thread) {
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INITIALIZATION_STATE_SET_INITIALIZING(initialized_);
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#if defined(ARCH_CPU_X86_64)
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context_.architecture = kCPUArchitectureX86_64;
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context_.x86_64 = &context_arch_;
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// TODO(fuchsia/DX-642): Add float context once saved in |thread|.
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InitializeCPUContextX86_64_NoFloatingPoint(thread.general_registers,
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context_.x86_64);
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#elif defined(ARCH_CPU_ARM64)
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context_.architecture = kCPUArchitectureARM64;
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context_.arm64 = &context_arch_;
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InitializeCPUContextARM64(
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thread.general_registers, thread.vector_registers, context_.arm64);
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#else
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#error Port.
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#endif
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if (thread.stack_regions.empty()) {
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stack_.Initialize(process_reader->Memory(), 0, 0);
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} else {
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stack_.Initialize(process_reader->Memory(),
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thread.stack_regions[0].base(),
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thread.stack_regions[0].size());
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// TODO(scottmg): Handle split stack by adding other parts to ExtraMemory().
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}
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thread_name_ = thread.name;
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thread_id_ = thread.id;
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INITIALIZATION_STATE_SET_VALID(initialized_);
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return true;
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}
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const CPUContext* ThreadSnapshotFuchsia::Context() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return &context_;
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}
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const MemorySnapshot* ThreadSnapshotFuchsia::Stack() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return &stack_;
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}
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uint64_t ThreadSnapshotFuchsia::ThreadID() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_id_;
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}
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std::string ThreadSnapshotFuchsia::ThreadName() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_name_;
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}
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int ThreadSnapshotFuchsia::SuspendCount() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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// There is not (currently) a suspend count for threads on Fuchsia.
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return 0;
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}
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int ThreadSnapshotFuchsia::Priority() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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// There is not (currently) thread priorities on Fuchsia.
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return 0;
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}
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uint64_t ThreadSnapshotFuchsia::ThreadSpecificDataAddress() const {
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INITIALIZATION_STATE_DCHECK_VALID(initialized_);
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return thread_specific_data_address_;
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}
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std::vector<const MemorySnapshot*> ThreadSnapshotFuchsia::ExtraMemory() const {
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return std::vector<const MemorySnapshot*>();
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}
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} // namespace internal
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} // namespace crashpad
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