llvm/lldb/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.cpp

//===-- GDBRemoteClientBase.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 "GDBRemoteClientBase.h"

#include "llvm/ADT/StringExtras.h"

#include "lldb/Target/UnixSignals.h"
#include "lldb/Utility/LLDBAssert.h"

#include "ProcessGDBRemoteLog.h"

usingnamespacelldb;
usingnamespacelldb_private;
usingnamespacelldb_private::process_gdb_remote;
usingnamespacestd::chrono;

// When we've sent a continue packet and are waiting for the target to stop,
// we wake up the wait with this interval to make sure the stub hasn't gone
// away while we were waiting.
static const seconds kWakeupInterval(5);

/////////////////////////
// GDBRemoteClientBase //
/////////////////////////

GDBRemoteClientBase::ContinueDelegate::~ContinueDelegate() = default;

GDBRemoteClientBase::GDBRemoteClientBase(const char *comm_name)
    : … { … }

StateType GDBRemoteClientBase::SendContinuePacketAndWaitForResponse(
    ContinueDelegate &delegate, const UnixSignals &signals,
    llvm::StringRef payload, std::chrono::seconds interrupt_timeout,
    StringExtractorGDBRemote &response) { … }

bool GDBRemoteClientBase::SendAsyncSignal(
    int signo, std::chrono::seconds interrupt_timeout) { … }

bool GDBRemoteClientBase::Interrupt(std::chrono::seconds interrupt_timeout) { … }

GDBRemoteCommunication::PacketResult
GDBRemoteClientBase::SendPacketAndWaitForResponse(
    llvm::StringRef payload, StringExtractorGDBRemote &response,
    std::chrono::seconds interrupt_timeout) { … }

GDBRemoteCommunication::PacketResult
GDBRemoteClientBase::ReadPacketWithOutputSupport(
    StringExtractorGDBRemote &response, Timeout<std::micro> timeout,
    bool sync_on_timeout,
    llvm::function_ref<void(llvm::StringRef)> output_callback) { … }

GDBRemoteCommunication::PacketResult
GDBRemoteClientBase::SendPacketAndReceiveResponseWithOutputSupport(
    llvm::StringRef payload, StringExtractorGDBRemote &response,
    std::chrono::seconds interrupt_timeout,
    llvm::function_ref<void(llvm::StringRef)> output_callback) { … }

GDBRemoteCommunication::PacketResult
GDBRemoteClientBase::SendPacketAndWaitForResponseNoLock(
    llvm::StringRef payload, StringExtractorGDBRemote &response) { … }

bool GDBRemoteClientBase::ShouldStop(const UnixSignals &signals,
                                     StringExtractorGDBRemote &response) { … }

void GDBRemoteClientBase::OnRunPacketSent(bool first) { … }

///////////////////////////////////////
// GDBRemoteClientBase::ContinueLock //
///////////////////////////////////////

GDBRemoteClientBase::ContinueLock::ContinueLock(GDBRemoteClientBase &comm)
    : … { … }

GDBRemoteClientBase::ContinueLock::~ContinueLock() { … }

void GDBRemoteClientBase::ContinueLock::unlock() { … }

GDBRemoteClientBase::ContinueLock::LockResult
GDBRemoteClientBase::ContinueLock::lock() { … }

///////////////////////////////
// GDBRemoteClientBase::Lock //
///////////////////////////////

GDBRemoteClientBase::Lock::Lock(GDBRemoteClientBase &comm,
                                std::chrono::seconds interrupt_timeout)
    : … { … }

void GDBRemoteClientBase::Lock::SyncWithContinueThread() { … }

GDBRemoteClientBase::Lock::~Lock() { … }