76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
// Copyright 2017 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_UTIL_LINUX_DIRECT_PTRACE_CONNECTION_H_
|
|
#define CRASHPAD_UTIL_LINUX_DIRECT_PTRACE_CONNECTION_H_
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "util/linux/ptrace_connection.h"
|
|
#include "util/linux/ptracer.h"
|
|
#include "util/linux/scoped_ptrace_attach.h"
|
|
#include "util/misc/initialization_state_dcheck.h"
|
|
#include "util/process/process_memory_linux.h"
|
|
|
|
namespace crashpad {
|
|
|
|
//! \brief Manages a direct `ptrace` connection to a process.
|
|
//!
|
|
//! This class is used when the current process has `ptrace` capabilities for
|
|
//! the target process.
|
|
class DirectPtraceConnection : public PtraceConnection {
|
|
public:
|
|
DirectPtraceConnection();
|
|
|
|
DirectPtraceConnection(const DirectPtraceConnection&) = delete;
|
|
DirectPtraceConnection& operator=(const DirectPtraceConnection&) = delete;
|
|
|
|
~DirectPtraceConnection();
|
|
|
|
//! \brief Initializes this connection for the process whose process ID is
|
|
//! \a pid.
|
|
//!
|
|
//! The main thread of the process is automatically attached by this call.
|
|
//!
|
|
//! \param[in] pid The process ID of the process to connect to.
|
|
//! \return `true` on success. `false` on failure with a message logged.
|
|
bool Initialize(pid_t pid);
|
|
|
|
// PtraceConnection:
|
|
|
|
pid_t GetProcessID() override;
|
|
bool Attach(pid_t tid) override;
|
|
bool Is64Bit() override;
|
|
bool GetThreadInfo(pid_t tid, ThreadInfo* info) override;
|
|
bool ReadFileContents(const base::FilePath& path,
|
|
std::string* contents) override;
|
|
ProcessMemoryLinux* Memory() override;
|
|
bool Threads(std::vector<pid_t>* threads) override;
|
|
ssize_t ReadUpTo(VMAddress, size_t size, void* buffer) override;
|
|
|
|
private:
|
|
std::vector<std::unique_ptr<ScopedPtraceAttach>> attachments_;
|
|
std::unique_ptr<ProcessMemoryLinux> memory_;
|
|
pid_t pid_;
|
|
Ptracer ptracer_;
|
|
InitializationStateDcheck initialized_;
|
|
};
|
|
|
|
} // namespace crashpad
|
|
|
|
#endif // CRASHPAD_UTIL_LINUX_DIRECT_PTRACE_CONNECTION_H_
|