110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
// 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.
|
||
|
||
#ifndef CRASHPAD_SNAPSHOT_THREAD_SNAPSHOT_H_
|
||
#define CRASHPAD_SNAPSHOT_THREAD_SNAPSHOT_H_
|
||
|
||
#include <stdint.h>
|
||
|
||
#ifdef CLIENT_STACKTRACES_ENABLED
|
||
#include <string>
|
||
#endif
|
||
#include <vector>
|
||
|
||
namespace crashpad {
|
||
|
||
struct CPUContext;
|
||
class MemorySnapshot;
|
||
|
||
#ifdef CLIENT_STACKTRACES_ENABLED
|
||
class FrameSnapshot {
|
||
public:
|
||
FrameSnapshot(uint64_t instruction_addr, std::string symbol)
|
||
: instruction_addr_(instruction_addr), symbol_(symbol) {}
|
||
|
||
uint64_t InstructionAddr() const { return instruction_addr_; };
|
||
const std::string& Symbol() const { return symbol_; };
|
||
|
||
private:
|
||
uint64_t instruction_addr_;
|
||
std::string symbol_;
|
||
};
|
||
#endif
|
||
|
||
//! \brief An abstract interface to a snapshot representing a thread
|
||
//! (lightweight process) present in a snapshot process.
|
||
class ThreadSnapshot {
|
||
public:
|
||
#ifdef CLIENT_STACKTRACES_ENABLED
|
||
ThreadSnapshot() : frames_() {}
|
||
#endif
|
||
|
||
virtual ~ThreadSnapshot() {}
|
||
|
||
//! \brief Returns a CPUContext object corresponding to the thread’s CPU
|
||
//! context.
|
||
//!
|
||
//! The caller does not take ownership of this object, it is scoped to the
|
||
//! lifetime of the ThreadSnapshot object that it was obtained from.
|
||
virtual const CPUContext* Context() const = 0;
|
||
|
||
//! \brief Returns a MemorySnapshot object corresponding to the memory region
|
||
//! that contains the thread’s stack, or `nullptr` if no stack region is
|
||
//! available.
|
||
//!
|
||
//! The caller does not take ownership of this object, it is scoped to the
|
||
//! lifetime of the ThreadSnapshot object that it was obtained from.
|
||
virtual const MemorySnapshot* Stack() const = 0;
|
||
|
||
//! \brief Returns the thread’s identifier.
|
||
//!
|
||
//! %Thread identifiers are at least unique within a process, and may be
|
||
//! unique system-wide.
|
||
virtual uint64_t ThreadID() const = 0;
|
||
|
||
//! \brief Returns the thread’s suspend count.
|
||
//!
|
||
//! A suspend count of `0` denotes a schedulable (not suspended) thread.
|
||
virtual int SuspendCount() const = 0;
|
||
|
||
//! \brief Returns the thread’s priority.
|
||
//!
|
||
//! Threads with higher priorities will have higher priority values.
|
||
virtual int Priority() const = 0;
|
||
|
||
//! \brief Returns the base address of a region used to store thread-specific
|
||
//! data.
|
||
virtual uint64_t ThreadSpecificDataAddress() const = 0;
|
||
|
||
//! \brief Returns a vector of additional memory blocks that should be
|
||
//! included in a minidump.
|
||
//!
|
||
//! \return A vector of MemorySnapshot objects that will be included in the
|
||
//! crash dump. The caller does not take ownership of these objects, they
|
||
//! are scoped to the lifetime of the ThreadSnapshot object that they
|
||
//! were obtained from.
|
||
virtual std::vector<const MemorySnapshot*> ExtraMemory() const = 0;
|
||
|
||
#ifdef CLIENT_STACKTRACES_ENABLED
|
||
const std::vector<FrameSnapshot>& StackTrace() const { return frames_; }
|
||
|
||
protected:
|
||
std::vector<FrameSnapshot> frames_;
|
||
#endif
|
||
};
|
||
|
||
} // namespace crashpad
|
||
|
||
#endif // CRASHPAD_SNAPSHOT_THREAD_SNAPSHOT_H_
|