crashpad/snapshot/mac/exception_snapshot_mac.h
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad)
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

108 lines
3.3 KiB
C++

// Copyright 2014 The Crashpad Authors
//
// 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_MAC_EXCEPTION_SNAPSHOT_MAC_H_
#define CRASHPAD_SNAPSHOT_MAC_EXCEPTION_SNAPSHOT_MAC_H_
#include <mach/mach.h>
#include <stdint.h>
#include <vector>
#include "build/build_config.h"
#include "snapshot/cpu_context.h"
#include "snapshot/exception_snapshot.h"
#include "util/mach/mach_extensions.h"
#include "util/misc/initialization_state_dcheck.h"
namespace crashpad {
class ProcessReaderMac;
namespace internal {
//! \brief An ExceptionSnapshot of an exception sustained by a running (or
//! crashed) process on a macOS system.
class ExceptionSnapshotMac final : public ExceptionSnapshot {
public:
ExceptionSnapshotMac();
ExceptionSnapshotMac(const ExceptionSnapshotMac&) = delete;
ExceptionSnapshotMac& operator=(const ExceptionSnapshotMac&) = delete;
~ExceptionSnapshotMac() override;
//! \brief Initializes the object.
//!
//! Other than \a process_reader, the parameters may be passed directly
//! through from a Mach exception handler.
//!
//! \param[in] process_reader A ProcessReaderMac for the task that sustained
//! the exception.
//! \param[in] behavior
//! \param[in] exception_thread
//! \param[in] exception
//! \param[in] code
//! \param[in] code_count
//! \param[in,out] flavor
//! \param[in] state
//! \param[in] state_count
//!
//! \return `true` if the snapshot could be created, `false` otherwise with
//! an appropriate message logged.
bool Initialize(ProcessReaderMac* process_reader,
exception_behavior_t behavior,
thread_t exception_thread,
exception_type_t exception,
const mach_exception_data_type_t* code,
mach_msg_type_number_t code_count,
thread_state_flavor_t flavor,
ConstThreadState state,
mach_msg_type_number_t state_count);
// 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;
virtual std::vector<const MemorySnapshot*> ExtraMemory() const override;
private:
union {
#if defined(ARCH_CPU_X86_FAMILY)
CPUContextX86 x86;
CPUContextX86_64 x86_64;
#elif defined(ARCH_CPU_ARM64)
CPUContextARM64 arm64;
#else
#error Port to your CPU architecture
#endif
} context_union_;
CPUContext context_;
std::vector<uint64_t> codes_;
uint64_t thread_id_;
uint64_t exception_address_;
exception_type_t exception_;
uint32_t exception_code_0_;
InitializationStateDcheck initialized_;
};
} // namespace internal
} // namespace crashpad
#endif // CRASHPAD_SNAPSHOT_MAC_EXCEPTION_SNAPSHOT_MAC_H_