forked from OSchip/llvm-project
144 lines
4.6 KiB
C++
144 lines
4.6 KiB
C++
//===-- GDBRemoteCommunicationServer.cpp ------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "GDBRemoteCommunicationServer.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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#include "llvm/ADT/Triple.h"
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#include "lldb/Interpreter/Args.h"
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#include "lldb/Core/ConnectionFileDescriptor.h"
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#include "lldb/Core/Log.h"
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#include "lldb/Core/State.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Host/TimeValue.h"
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// Project includes
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#include "Utility/StringExtractorGDBRemote.h"
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#include "ProcessGDBRemote.h"
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#include "ProcessGDBRemoteLog.h"
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using namespace lldb;
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using namespace lldb_private;
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//----------------------------------------------------------------------
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// GDBRemoteCommunicationServer constructor
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//----------------------------------------------------------------------
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GDBRemoteCommunicationServer::GDBRemoteCommunicationServer() :
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GDBRemoteCommunication ("gdb-remote.server", "gdb-remote.server.rx_packet"),
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m_async_thread (LLDB_INVALID_HOST_THREAD),
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m_send_acks (true)
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{
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}
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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GDBRemoteCommunicationServer::~GDBRemoteCommunicationServer()
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{
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}
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//void *
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//GDBRemoteCommunicationServer::AsyncThread (void *arg)
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//{
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// GDBRemoteCommunicationServer *server = (GDBRemoteCommunicationServer*) arg;
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//
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// LogSP log;// (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (GDBR_LOG_PROCESS));
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// if (log)
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// log->Printf ("ProcessGDBRemote::%s (arg = %p, pid = %i) thread starting...", __FUNCTION__, arg, process->GetID());
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//
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// StringExtractorGDBRemote packet;
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//
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// while ()
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// {
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// if (packet.
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// }
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//
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// if (log)
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// log->Printf ("ProcessGDBRemote::%s (arg = %p, pid = %i) thread exiting...", __FUNCTION__, arg, process->GetID());
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//
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// process->m_async_thread = LLDB_INVALID_HOST_THREAD;
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// return NULL;
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//}
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//
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bool
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GDBRemoteCommunicationServer::GetPacketAndSendResponse (const TimeValue* timeout_ptr,
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bool &interrupt,
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bool &quit)
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{
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StringExtractorGDBRemote packet;
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if (WaitForPacketNoLock (packet, timeout_ptr))
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{
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const StringExtractorGDBRemote::ServerPacketType packet_type = packet.GetServerPacketType ();
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switch (packet_type)
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{
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case StringExtractorGDBRemote::eServerPacketType_nack:
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case StringExtractorGDBRemote::eServerPacketType_ack:
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break;
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case StringExtractorGDBRemote::eServerPacketType_invalid:
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quit = true;
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break;
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case StringExtractorGDBRemote::eServerPacketType_interrupt:
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interrupt = true;
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break;
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case StringExtractorGDBRemote::eServerPacketType_unimplemented:
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return SendUnimplementedResponse () > 0;
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case StringExtractorGDBRemote::eServerPacketType_qHostInfo:
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return Handle_qHostInfo ();
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}
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return true;
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}
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return false;
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}
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size_t
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GDBRemoteCommunicationServer::SendUnimplementedResponse ()
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{
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return SendPacket ("");
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}
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bool
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GDBRemoteCommunicationServer::Handle_qHostInfo ()
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{
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StreamString response;
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// $cputype:16777223;cpusubtype:3;ostype:Darwin;vendor:apple;endian:little;ptrsize:8;#00
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ArchSpec host_arch (Host::GetArchitecture ());
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const llvm::Triple &host_triple = host_arch.GetTriple();
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const llvm::StringRef arch_name (host_triple.getArchName());
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const llvm::StringRef vendor_name (host_triple.getOSName());
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const llvm::StringRef os_name (host_triple.getVendorName());
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response.Printf ("arch:%.*s;ostype:%.*s;vendor:%.*s;ptrsize:%u",
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(int)arch_name.size(), arch_name.data(),
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(int)os_name.size(), os_name.data(),
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(int)vendor_name.size(), vendor_name.data(),
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host_arch.GetAddressByteSize());
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switch (lldb::endian::InlHostByteOrder())
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{
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case eByteOrderBig: response.PutCString ("endian:big;"); break;
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case eByteOrderLittle: response.PutCString ("endian:little;"); break;
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case eByteOrderPDP: response.PutCString ("endian:pdp;"); break;
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default: response.PutCString ("endian:unknown;"); break;
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}
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return SendPacket (response.GetString().c_str(),response.GetString().size()) > 0;
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}
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