crashpad/snapshot/fuchsia/exception_snapshot_fuchsia.h
Scott Graham e78789b9e0 fuchsia: Add implementation of ExceptionSnapshot
Bug: crashpad:196
Change-Id: I5aea3484c185096898bafe847c83474a91f5d8c7
Reviewed-on: https://chromium-review.googlesource.com/1038128
Commit-Queue: Scott Graham <scottmg@chromium.org>
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
2018-05-03 20:35:33 +00:00

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2.7 KiB
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// Copyright 2018 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.
#ifndef CRASHPAD_SNAPSHOT_FUCHSIA_EXCEPTION_SNAPSHOT_FUCHSIA_H_
#define CRASHPAD_SNAPSHOT_FUCHSIA_EXCEPTION_SNAPSHOT_FUCHSIA_H_
#include <stdint.h>
#include <zircon/syscalls/exception.h>
#include <zircon/types.h>
#include "build/build_config.h"
#include "snapshot/cpu_context.h"
#include "snapshot/exception_snapshot.h"
#include "util/misc/initialization_state_dcheck.h"
namespace crashpad {
class ProcessReaderFuchsia;
namespace internal {
//! \brief An ExceptionSnapshot of an exception sustained by a process on a
//! Fuchsia system.
class ExceptionSnapshotFuchsia final : public ExceptionSnapshot {
public:
ExceptionSnapshotFuchsia();
~ExceptionSnapshotFuchsia() override;
//! \brief Initializes the object.
//!
//! \param[in] process_reader A ProcessReaderFuchsia for the process that
//! sustained the exception.
//! \param[in] thread_id The koid of the thread that sustained the exception.
//! \param[in] exception_report The `zx_exception_report_t` retrieved from the
//! thread in the exception state, corresponding to \a thread_id.
void Initialize(ProcessReaderFuchsia* process_reader,
zx_koid_t thread_id,
const zx_exception_report_t& exception_report);
// ExceptionSnapshot:
const CPUContext* Context() const override;
uint64_t ThreadID() const override;
uint32_t Exception() const override;
uint32_t ExceptionInfo() const override;
uint64_t ExceptionAddress() const override;
const std::vector<uint64_t>& Codes() const override;
std::vector<const MemorySnapshot*> ExtraMemory() const override;
private:
#if defined(ARCH_CPU_X86_64)
CPUContextX86_64 context_arch_;
#elif defined(ARCH_CPU_ARM64)
CPUContextARM64 context_arch_;
#endif
CPUContext context_;
std::vector<uint64_t> codes_;
zx_koid_t thread_id_;
zx_vaddr_t exception_address_;
uint32_t exception_;
uint32_t exception_info_;
InitializationStateDcheck initialized_;
DISALLOW_COPY_AND_ASSIGN(ExceptionSnapshotFuchsia);
};
} // namespace internal
} // namespace crashpad
#endif // CRASHPAD_SNAPSHOT_FUCHSIA_EXCEPTION_SNAPSHOT_FUCHSIA_H_