llvm/lldb/source/Host/linux/Host.cpp

//===-- source/Host/linux/Host.cpp ----------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include <cerrno>
#include <cstdio>
#include <cstring>
#include <dirent.h>
#include <fcntl.h>
#include <optional>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/utsname.h>
#include <unistd.h>

#include "llvm/ADT/StringSwitch.h"
#include "llvm/Object/ELF.h"
#include "llvm/Support/ScopedPrinter.h"

#include "lldb/Utility/LLDBLog.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/ProcessInfo.h"
#include "lldb/Utility/Status.h"

#include "lldb/Host/FileSystem.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Host/linux/Host.h"
#include "lldb/Host/linux/Support.h"
#include "lldb/Utility/DataExtractor.h"

usingnamespacelldb;
usingnamespacelldb_private;

namespace {

enum class ProcessState { … };

struct StatFields { … };
}

namespace lldb_private {
class ProcessLaunchInfo;
}

static bool GetStatusInfo(::pid_t Pid, ProcessInstanceInfo &ProcessInfo,
                          ProcessState &State, ::pid_t &TracerPid,
                          ::pid_t &Tgid) { … }

static bool IsDirNumeric(const char *dname) { … }

static ArchSpec GetELFProcessCPUType(llvm::StringRef exe_path) { … }

static void GetProcessArgs(::pid_t pid, ProcessInstanceInfo &process_info) { … }

static void GetExePathAndArch(::pid_t pid, ProcessInstanceInfo &process_info) { … }

static void GetProcessEnviron(::pid_t pid, ProcessInstanceInfo &process_info) { … }

static bool GetProcessAndStatInfo(::pid_t pid,
                                  ProcessInstanceInfo &process_info,
                                  ProcessState &State, ::pid_t &tracerpid) { … }

uint32_t Host::FindProcessesImpl(const ProcessInstanceInfoMatch &match_info,
                                 ProcessInstanceInfoList &process_infos) { … }

bool Host::FindProcessThreads(const lldb::pid_t pid, TidMap &tids_to_attach) { … }

bool Host::GetProcessInfo(lldb::pid_t pid, ProcessInstanceInfo &process_info) { … }

Environment Host::GetEnvironment() { … }

Status Host::ShellExpandArguments(ProcessLaunchInfo &launch_info) { … }

std::optional<lldb::pid_t> lldb_private::getPIDForTID(lldb::pid_t tid) { … }