NativeProcessLinux.cpp File Reference

#include "NativeProcessLinux.h"
#include <cerrno>
#include <cstdint>
#include <cstring>
#include <unistd.h>
#include <fstream>
#include <mutex>
#include <optional>
#include <sstream>
#include <string>
#include <unordered_map>
#include "NativeThreadLinux.h"
#include "Plugins/Process/POSIX/ProcessPOSIXLog.h"
#include "Plugins/Process/Utility/LinuxProcMaps.h"
#include "Procfs.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Host/Host.h"
#include "lldb/Host/HostProcess.h"
#include "lldb/Host/ProcessLaunchInfo.h"
#include "lldb/Host/PseudoTerminal.h"
#include "lldb/Host/ThreadLauncher.h"
#include "lldb/Host/common/NativeRegisterContext.h"
#include "lldb/Host/linux/Host.h"
#include "lldb/Host/linux/Ptrace.h"
#include "lldb/Host/linux/Uio.h"
#include "lldb/Host/posix/ProcessLauncherPosixFork.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/LLDBAssert.h"
#include "lldb/Utility/LLDBLog.h"
#include "lldb/Utility/State.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StringExtractor.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/Support/Errno.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Threading.h"
#include <linux/unistd.h>
#include <sys/socket.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/user.h>
#include <sys/wait.h>

Go to the source code of this file.

Macros
#define	TRAP_HWBKPT   4
#define	HWCAP2_MTE   (1 << 18)

Functions
static bool	ProcessVmReadvSupported ()
static void	MaybeLogLaunchInfo (const ProcessLaunchInfo &info)
static void	DisplayBytes (StreamString &s, void *bytes, uint32_t count)
static void	PtraceDisplayBytes (int &req, void *data, size_t data_size)
static Status	EnsureFDFlags (int fd, int flags)
static llvm::Error	AddPtraceScopeNote (llvm::Error original_error)
static std::optional< std::pair< lldb::pid_t, WaitStatus > >	WaitPid ()

Variables
static constexpr unsigned	k_ptrace_word_size = sizeof(void *)

Macro Definition Documentation

HWCAP2_MTE

#define HWCAP2_MTE   (1 << 18)

Definition at line 70 of file NativeProcessLinux.cpp.

Referenced by lldb_private::Arm64RegisterFlagsDetector::DetectCPSRFields(), lldb_private::Arm64RegisterFlagsDetector::DetectMTECtrlFields(), and lldb_private::process_linux::NativeProcessLinux::Manager::GetSupportedExtensions().

TRAP_HWBKPT

#define TRAP_HWBKPT   4

Definition at line 66 of file NativeProcessLinux.cpp.

Referenced by lldb_private::process_linux::NativeProcessLinux::MonitorSIGTRAP().

Function Documentation

AddPtraceScopeNote()

llvm::Error AddPtraceScopeNote ( llvm::Error original_error )

static

Definition at line 218 of file NativeProcessLinux.cpp.

References lldb_private::GetLog(), lldb_private::process_linux::GetPtraceScope(), LLDB_LOG, and lldb_private::Process.

Referenced by lldb_private::process_linux::NativeProcessLinux::Attach().

DisplayBytes()

void DisplayBytes ( StreamString & s, void * bytes, uint32_t count )

static

Definition at line 139 of file NativeProcessLinux.cpp.

References DEBUG_PTRACE_MAXBYTES, and lldb_private::Stream::Printf().

Referenced by PtraceDisplayBytes().

EnsureFDFlags()

Status EnsureFDFlags ( int fd, int flags )

static

Definition at line 201 of file NativeProcessLinux.cpp.

References error(), and lldb_private::Status::FromErrno().

MaybeLogLaunchInfo()

void MaybeLogLaunchInfo ( const ProcessLaunchInfo & info )

static

Definition at line 113 of file NativeProcessLinux.cpp.

References lldb_private::ProcessInfo::GetArguments(), lldb_private::Args::GetConstArgumentVector(), lldb_private::ProcessLaunchInfo::GetFileActionForFD(), lldb_private::GetLog(), LLDB_LOG, and lldb_private::Process.

Referenced by lldb_private::process_linux::NativeProcessLinux::Manager::Launch().

ProcessVmReadvSupported()

bool ProcessVmReadvSupported ( )

static

Definition at line 80 of file NativeProcessLinux.cpp.

References lldb_private::GetLog(), LLDB_LOG, lldb_private::Process, and process_vm_readv().

Referenced by lldb_private::process_linux::NativeProcessLinux::ReadMemory().

PtraceDisplayBytes()

void PtraceDisplayBytes ( int & req, void * data, size_t data_size )

static

Definition at line 148 of file NativeProcessLinux.cpp.

References DisplayBytes(), lldb_private::StreamString::GetData(), lldb_private::GetLog(), LLDB_LOGV, lldb_private::Ptrace, PTRACE_SETFPREGS, PTRACE_SETREGS, and PTRACE_SETREGSET.

Referenced by lldb_private::process_linux::NativeProcessLinux::PtraceWrapper().

WaitPid()

std::optional< std::pair< lldb::pid_t, WaitStatus > > WaitPid ( )

static

Definition at line 344 of file NativeProcessLinux.cpp.

References lldb_private::WaitStatus::Decode(), lldb::eErrorTypePOSIX, error(), lldb_private::GetLog(), LLDB_LOG, and lldb_private::Process.

Variable Documentation

k_ptrace_word_size

unsigned k_ptrace_word_size = sizeof(void *)

staticconstexpr

Definition at line 195 of file NativeProcessLinux.cpp.