chromium/third_party/crashpad/crashpad/util/linux/ptrace_client.cc

// Copyright 2017 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.

#include "util/linux/ptrace_client.h"

#include <errno.h>
#include <stdio.h>
#include <string.h>

#include <iterator>
#include <string>

#include "base/check_op.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "util/file/file_io.h"
#include "util/linux/ptrace_broker.h"
#include "util/process/process_memory_linux.h"

namespace crashpad {

namespace {

bool ReceiveAndLogError(int sock, const std::string& operation) { … }

bool ReceiveAndLogReadError(int sock, const std::string& operation) { … }

bool AttachImpl(int sock, pid_t tid) { … }

struct Dirent64 { … };

void ReadDentsAsThreadIDs(char* buffer,
                          size_t size,
                          std::vector<pid_t>* threads) { … }

}  // namespace

PtraceClient::PtraceClient()
    : … { … }

PtraceClient::~PtraceClient() { … }

bool PtraceClient::Initialize(int sock, pid_t pid) { … }

pid_t PtraceClient::GetProcessID() { … }

bool PtraceClient::Attach(pid_t tid) { … }

bool PtraceClient::Is64Bit() { … }

bool PtraceClient::GetThreadInfo(pid_t tid, ThreadInfo* info) { … }

bool PtraceClient::ReadFileContents(const base::FilePath& path,
                                    std::string* contents) { … }

ProcessMemoryLinux* PtraceClient::Memory() { … }

bool PtraceClient::Threads(std::vector<pid_t>* threads) { … }

ssize_t PtraceClient::ReadUpTo(VMAddress address, size_t size, void* buffer) { … }

bool PtraceClient::SendFilePath(const char* path, size_t length) { … }

}  // namespace crashpad