forked from OSchip/llvm-project
834 lines
28 KiB
C++
834 lines
28 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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#include "lldb/Target/Process.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(bool is_platform) :
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GDBRemoteCommunication ("gdb-remote.server", "gdb-remote.server.rx_packet", is_platform),
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m_async_thread (LLDB_INVALID_HOST_THREAD),
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m_process_launch_info (),
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m_process_launch_error (),
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m_proc_infos (),
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m_proc_infos_index (0),
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m_lo_port_num (0),
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m_hi_port_num (0)
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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 (uint32_t timeout_usec,
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Error &error,
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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 (WaitForPacketWithTimeoutMicroSeconds(packet, timeout_usec))
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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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error.SetErrorString("invalid packet");
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quit = true;
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break;
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case StringExtractorGDBRemote::eServerPacketType_interrupt:
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error.SetErrorString("interrupt received");
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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 (packet.GetStringRef().c_str()) > 0;
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case StringExtractorGDBRemote::eServerPacketType_A:
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return Handle_A (packet);
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case StringExtractorGDBRemote::eServerPacketType_qfProcessInfo:
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return Handle_qfProcessInfo (packet);
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case StringExtractorGDBRemote::eServerPacketType_qsProcessInfo:
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return Handle_qsProcessInfo (packet);
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case StringExtractorGDBRemote::eServerPacketType_qC:
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return Handle_qC (packet);
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case StringExtractorGDBRemote::eServerPacketType_qHostInfo:
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return Handle_qHostInfo (packet);
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case StringExtractorGDBRemote::eServerPacketType_qLaunchGDBServer:
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return Handle_qLaunchGDBServer (packet);
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case StringExtractorGDBRemote::eServerPacketType_qLaunchSuccess:
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return Handle_qLaunchSuccess (packet);
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case StringExtractorGDBRemote::eServerPacketType_qGroupName:
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return Handle_qGroupName (packet);
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case StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID:
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return Handle_qProcessInfoPID (packet);
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case StringExtractorGDBRemote::eServerPacketType_qSpeedTest:
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return Handle_qSpeedTest (packet);
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case StringExtractorGDBRemote::eServerPacketType_qUserName:
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return Handle_qUserName (packet);
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case StringExtractorGDBRemote::eServerPacketType_QEnvironment:
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return Handle_QEnvironment (packet);
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case StringExtractorGDBRemote::eServerPacketType_QSetDisableASLR:
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return Handle_QSetDisableASLR (packet);
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case StringExtractorGDBRemote::eServerPacketType_QSetSTDIN:
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return Handle_QSetSTDIN (packet);
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case StringExtractorGDBRemote::eServerPacketType_QSetSTDOUT:
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return Handle_QSetSTDOUT (packet);
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case StringExtractorGDBRemote::eServerPacketType_QSetSTDERR:
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return Handle_QSetSTDERR (packet);
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case StringExtractorGDBRemote::eServerPacketType_QSetWorkingDir:
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return Handle_QSetWorkingDir (packet);
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case StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode:
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return Handle_QStartNoAckMode (packet);
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}
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return true;
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}
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else
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{
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if (!IsConnected())
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error.SetErrorString("lost connection");
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else
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error.SetErrorString("timeout");
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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 (const char *)
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{
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// TODO: Log the packet we aren't handling...
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return SendPacket ("");
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}
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size_t
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GDBRemoteCommunicationServer::SendErrorResponse (uint8_t err)
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{
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char packet[16];
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int packet_len = ::snprintf (packet, sizeof(packet), "E%2.2x", err);
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assert (packet_len < sizeof(packet));
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return SendPacket (packet, packet_len);
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}
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size_t
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GDBRemoteCommunicationServer::SendOKResponse ()
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{
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return SendPacket ("OK");
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}
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bool
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GDBRemoteCommunicationServer::HandshakeWithClient(Error *error_ptr)
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{
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return GetAck();
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}
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bool
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GDBRemoteCommunicationServer::Handle_qHostInfo (StringExtractorGDBRemote &packet)
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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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response.PutCString("triple:");
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response.PutCStringAsRawHex8(host_triple.getTriple().c_str());
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response.Printf (";ptrsize:%u;",host_arch.GetAddressByteSize());
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uint32_t cpu = host_arch.GetMachOCPUType();
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uint32_t sub = host_arch.GetMachOCPUSubType();
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if (cpu != LLDB_INVALID_CPUTYPE)
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response.Printf ("cputype:%u;", cpu);
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if (sub != LLDB_INVALID_CPUTYPE)
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response.Printf ("cpusubtype:%u;", sub);
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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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uint32_t major = UINT32_MAX;
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uint32_t minor = UINT32_MAX;
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uint32_t update = UINT32_MAX;
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if (Host::GetOSVersion (major, minor, update))
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{
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if (major != UINT32_MAX)
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{
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response.Printf("os_version:%u", major);
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if (minor != UINT32_MAX)
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{
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response.Printf(".%u", minor);
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if (update != UINT32_MAX)
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response.Printf(".%u", update);
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}
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response.PutChar(';');
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}
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}
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std::string s;
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if (Host::GetOSBuildString (s))
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{
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response.PutCString ("os_build:");
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response.PutCStringAsRawHex8(s.c_str());
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response.PutChar(';');
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}
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if (Host::GetOSKernelDescription (s))
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{
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response.PutCString ("os_kernel:");
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response.PutCStringAsRawHex8(s.c_str());
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response.PutChar(';');
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}
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if (Host::GetHostname (s))
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{
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response.PutCString ("hostname:");
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response.PutCStringAsRawHex8(s.c_str());
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response.PutChar(';');
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}
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return SendPacket (response) > 0;
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}
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static void
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CreateProcessInfoResponse (const ProcessInstanceInfo &proc_info, StreamString &response)
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{
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response.Printf ("pid:%i;ppid:%i;uid:%i;gid:%i;euid:%i;egid:%i;",
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proc_info.GetProcessID(),
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proc_info.GetParentProcessID(),
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proc_info.GetUserID(),
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proc_info.GetGroupID(),
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proc_info.GetEffectiveUserID(),
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proc_info.GetEffectiveGroupID());
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response.PutCString ("name:");
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response.PutCStringAsRawHex8(proc_info.GetName());
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response.PutChar(';');
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const ArchSpec &proc_arch = proc_info.GetArchitecture();
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if (proc_arch.IsValid())
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{
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const llvm::Triple &proc_triple = proc_arch.GetTriple();
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response.PutCString("triple:");
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response.PutCStringAsRawHex8(proc_triple.getTriple().c_str());
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response.PutChar(';');
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}
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}
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bool
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GDBRemoteCommunicationServer::Handle_qProcessInfoPID (StringExtractorGDBRemote &packet)
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{
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// Packet format: "qProcessInfoPID:%i" where %i is the pid
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packet.SetFilePos(::strlen ("qProcessInfoPID:"));
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lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID);
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if (pid != LLDB_INVALID_PROCESS_ID)
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{
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ProcessInstanceInfo proc_info;
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if (Host::GetProcessInfo(pid, proc_info))
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{
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StreamString response;
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CreateProcessInfoResponse (proc_info, response);
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return SendPacket (response);
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}
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}
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return SendErrorResponse (1);
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}
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bool
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GDBRemoteCommunicationServer::Handle_qfProcessInfo (StringExtractorGDBRemote &packet)
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{
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m_proc_infos_index = 0;
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m_proc_infos.Clear();
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ProcessInstanceInfoMatch match_info;
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packet.SetFilePos(::strlen ("qfProcessInfo"));
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if (packet.GetChar() == ':')
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{
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std::string key;
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std::string value;
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while (packet.GetNameColonValue(key, value))
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{
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bool success = true;
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if (key.compare("name") == 0)
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{
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StringExtractor extractor;
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extractor.GetStringRef().swap(value);
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extractor.GetHexByteString (value);
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match_info.GetProcessInfo().SetName (value.c_str());
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}
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else if (key.compare("name_match") == 0)
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{
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if (value.compare("equals") == 0)
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{
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match_info.SetNameMatchType (eNameMatchEquals);
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}
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else if (value.compare("starts_with") == 0)
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{
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match_info.SetNameMatchType (eNameMatchStartsWith);
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}
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else if (value.compare("ends_with") == 0)
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{
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match_info.SetNameMatchType (eNameMatchEndsWith);
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}
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else if (value.compare("contains") == 0)
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{
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match_info.SetNameMatchType (eNameMatchContains);
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}
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else if (value.compare("regex") == 0)
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{
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match_info.SetNameMatchType (eNameMatchRegularExpression);
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}
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else
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{
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success = false;
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}
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}
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else if (key.compare("pid") == 0)
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{
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match_info.GetProcessInfo().SetProcessID (Args::StringToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
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}
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else if (key.compare("parent_pid") == 0)
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{
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match_info.GetProcessInfo().SetParentProcessID (Args::StringToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success));
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}
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else if (key.compare("uid") == 0)
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{
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match_info.GetProcessInfo().SetUserID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
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}
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else if (key.compare("gid") == 0)
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{
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match_info.GetProcessInfo().SetGroupID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
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}
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else if (key.compare("euid") == 0)
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{
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match_info.GetProcessInfo().SetEffectiveUserID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
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}
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else if (key.compare("egid") == 0)
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{
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match_info.GetProcessInfo().SetEffectiveGroupID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success));
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}
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else if (key.compare("all_users") == 0)
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{
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match_info.SetMatchAllUsers(Args::StringToBoolean(value.c_str(), false, &success));
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}
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else if (key.compare("triple") == 0)
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{
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match_info.GetProcessInfo().GetArchitecture().SetTriple (value.c_str(), NULL);
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}
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else
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{
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success = false;
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}
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if (!success)
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return SendErrorResponse (2);
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}
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}
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if (Host::FindProcesses (match_info, m_proc_infos))
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{
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// We found something, return the first item by calling the get
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// subsequent process info packet handler...
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return Handle_qsProcessInfo (packet);
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}
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return SendErrorResponse (3);
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}
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bool
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GDBRemoteCommunicationServer::Handle_qsProcessInfo (StringExtractorGDBRemote &packet)
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{
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if (m_proc_infos_index < m_proc_infos.GetSize())
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{
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StreamString response;
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CreateProcessInfoResponse (m_proc_infos.GetProcessInfoAtIndex(m_proc_infos_index), response);
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++m_proc_infos_index;
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return SendPacket (response);
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}
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return SendErrorResponse (4);
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}
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bool
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GDBRemoteCommunicationServer::Handle_qUserName (StringExtractorGDBRemote &packet)
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{
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// Packet format: "qUserName:%i" where %i is the uid
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packet.SetFilePos(::strlen ("qUserName:"));
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uint32_t uid = packet.GetU32 (UINT32_MAX);
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if (uid != UINT32_MAX)
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{
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std::string name;
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if (Host::GetUserName (uid, name))
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{
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StreamString response;
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response.PutCStringAsRawHex8 (name.c_str());
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return SendPacket (response);
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}
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}
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return SendErrorResponse (5);
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}
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bool
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GDBRemoteCommunicationServer::Handle_qGroupName (StringExtractorGDBRemote &packet)
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{
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// Packet format: "qGroupName:%i" where %i is the gid
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packet.SetFilePos(::strlen ("qGroupName:"));
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uint32_t gid = packet.GetU32 (UINT32_MAX);
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if (gid != UINT32_MAX)
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{
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std::string name;
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if (Host::GetGroupName (gid, name))
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{
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StreamString response;
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response.PutCStringAsRawHex8 (name.c_str());
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return SendPacket (response);
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}
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}
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return SendErrorResponse (6);
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}
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bool
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GDBRemoteCommunicationServer::Handle_qSpeedTest (StringExtractorGDBRemote &packet)
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{
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packet.SetFilePos(::strlen ("qSpeedTest:"));
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std::string key;
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std::string value;
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bool success = packet.GetNameColonValue(key, value);
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if (success && key.compare("response_size") == 0)
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{
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uint32_t response_size = Args::StringToUInt32(value.c_str(), 0, 0, &success);
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if (success)
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{
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if (response_size == 0)
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return SendOKResponse();
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StreamString response;
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uint32_t bytes_left = response_size;
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response.PutCString("data:");
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while (bytes_left > 0)
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{
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if (bytes_left >= 26)
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{
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response.PutCString("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
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bytes_left -= 26;
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}
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else
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{
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response.Printf ("%*.*s;", bytes_left, bytes_left, "ABCDEFGHIJKLMNOPQRSTUVWXYZ");
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bytes_left = 0;
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}
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}
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return SendPacket (response);
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}
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}
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return SendErrorResponse (7);
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}
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static void *
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AcceptPortFromInferior (void *arg)
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{
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const char *connect_url = (const char *)arg;
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ConnectionFileDescriptor file_conn;
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Error error;
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if (file_conn.Connect (connect_url, &error) == eConnectionStatusSuccess)
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{
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char pid_str[256];
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::memset (pid_str, 0, sizeof(pid_str));
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ConnectionStatus status;
|
|
const size_t pid_str_len = file_conn.Read (pid_str, sizeof(pid_str), NULL, status, NULL);
|
|
if (pid_str_len > 0)
|
|
{
|
|
int pid = atoi (pid_str);
|
|
return (void *)(intptr_t)pid;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
//
|
|
//static bool
|
|
//WaitForProcessToSIGSTOP (const lldb::pid_t pid, const int timeout_in_seconds)
|
|
//{
|
|
// const int time_delta_usecs = 100000;
|
|
// const int num_retries = timeout_in_seconds/time_delta_usecs;
|
|
// for (int i=0; i<num_retries; i++)
|
|
// {
|
|
// struct proc_bsdinfo bsd_info;
|
|
// int error = ::proc_pidinfo (pid, PROC_PIDTBSDINFO,
|
|
// (uint64_t) 0,
|
|
// &bsd_info,
|
|
// PROC_PIDTBSDINFO_SIZE);
|
|
//
|
|
// switch (error)
|
|
// {
|
|
// case EINVAL:
|
|
// case ENOTSUP:
|
|
// case ESRCH:
|
|
// case EPERM:
|
|
// return false;
|
|
//
|
|
// default:
|
|
// break;
|
|
//
|
|
// case 0:
|
|
// if (bsd_info.pbi_status == SSTOP)
|
|
// return true;
|
|
// }
|
|
// ::usleep (time_delta_usecs);
|
|
// }
|
|
// return false;
|
|
//}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_A (StringExtractorGDBRemote &packet)
|
|
{
|
|
// The 'A' packet is the most over designed packet ever here with
|
|
// redundant argument indexes, redundant argument lengths and needed hex
|
|
// encoded argument string values. Really all that is needed is a comma
|
|
// separated hex encoded argument value list, but we will stay true to the
|
|
// documented version of the 'A' packet here...
|
|
|
|
packet.SetFilePos(1); // Skip the 'A'
|
|
bool success = true;
|
|
while (success && packet.GetBytesLeft() > 0)
|
|
{
|
|
// Decode the decimal argument string length. This length is the
|
|
// number of hex nibbles in the argument string value.
|
|
const uint32_t arg_len = packet.GetU32(UINT32_MAX);
|
|
if (arg_len == UINT32_MAX)
|
|
success = false;
|
|
else
|
|
{
|
|
// Make sure the argument hex string length is followed by a comma
|
|
if (packet.GetChar() != ',')
|
|
success = false;
|
|
else
|
|
{
|
|
// Decode the argument index. We ignore this really becuase
|
|
// who would really send down the arguments in a random order???
|
|
const uint32_t arg_idx = packet.GetU32(UINT32_MAX);
|
|
if (arg_idx == UINT32_MAX)
|
|
success = false;
|
|
else
|
|
{
|
|
// Make sure the argument index is followed by a comma
|
|
if (packet.GetChar() != ',')
|
|
success = false;
|
|
else
|
|
{
|
|
// Decode the argument string value from hex bytes
|
|
// back into a UTF8 string and make sure the length
|
|
// matches the one supplied in the packet
|
|
std::string arg;
|
|
if (packet.GetHexByteString(arg) != (arg_len / 2))
|
|
success = false;
|
|
else
|
|
{
|
|
// If there are any bytes lft
|
|
if (packet.GetBytesLeft())
|
|
{
|
|
if (packet.GetChar() != ',')
|
|
success = false;
|
|
}
|
|
|
|
if (success)
|
|
{
|
|
if (arg_idx == 0)
|
|
m_process_launch_info.GetExecutableFile().SetFile(arg.c_str(), false);
|
|
m_process_launch_info.GetArguments().AppendArgument(arg.c_str());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (success)
|
|
{
|
|
m_process_launch_info.GetFlags().Set (eLaunchFlagDebug);
|
|
m_process_launch_error = Host::LaunchProcess (m_process_launch_info);
|
|
if (m_process_launch_info.GetProcessID() != LLDB_INVALID_PROCESS_ID)
|
|
{
|
|
return SendOKResponse ();
|
|
}
|
|
}
|
|
return SendErrorResponse (8);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_qC (StringExtractorGDBRemote &packet)
|
|
{
|
|
lldb::pid_t pid = m_process_launch_info.GetProcessID();
|
|
StreamString response;
|
|
response.Printf("QC%x", pid);
|
|
if (m_is_platform)
|
|
{
|
|
// If we launch a process and this GDB server is acting as a platform,
|
|
// then we need to clear the process launch state so we can start
|
|
// launching another process. In order to launch a process a bunch or
|
|
// packets need to be sent: environment packets, working directory,
|
|
// disable ASLR, and many more settings. When we launch a process we
|
|
// then need to know when to clear this information. Currently we are
|
|
// selecting the 'qC' packet as that packet which seems to make the most
|
|
// sense.
|
|
if (pid != LLDB_INVALID_PROCESS_ID)
|
|
{
|
|
m_process_launch_info.Clear();
|
|
}
|
|
}
|
|
return SendPacket (response);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet)
|
|
{
|
|
// Spawn a local debugserver as a platform so we can then attach or launch
|
|
// a process...
|
|
|
|
if (m_is_platform)
|
|
{
|
|
// Sleep and wait a bit for debugserver to start to listen...
|
|
ConnectionFileDescriptor file_conn;
|
|
char connect_url[PATH_MAX];
|
|
Error error;
|
|
char unix_socket_name[PATH_MAX] = "/tmp/XXXXXX";
|
|
if (::mktemp (unix_socket_name) == NULL)
|
|
{
|
|
error.SetErrorString ("failed to make temporary path for a unix socket");
|
|
}
|
|
else
|
|
{
|
|
::snprintf (connect_url, sizeof(connect_url), "unix-accept://%s", unix_socket_name);
|
|
// Spawn a new thread to accept the port that gets bound after
|
|
// binding to port 0 (zero).
|
|
lldb::thread_t accept_thread = Host::ThreadCreate (unix_socket_name,
|
|
AcceptPortFromInferior,
|
|
connect_url,
|
|
&error);
|
|
|
|
if (IS_VALID_LLDB_HOST_THREAD(accept_thread))
|
|
{
|
|
// Spawn a debugserver and try to get
|
|
ProcessLaunchInfo debugserver_launch_info;
|
|
error = StartDebugserverProcess ("localhost:0",
|
|
unix_socket_name,
|
|
debugserver_launch_info);
|
|
|
|
lldb::pid_t debugserver_pid = debugserver_launch_info.GetProcessID();
|
|
if (error.Success())
|
|
{
|
|
bool success = false;
|
|
|
|
thread_result_t accept_thread_result = NULL;
|
|
if (Host::ThreadJoin (accept_thread, &accept_thread_result, &error))
|
|
{
|
|
if (accept_thread_result)
|
|
{
|
|
uint16_t port = (intptr_t)accept_thread_result;
|
|
char response[256];
|
|
const int response_len = ::snprintf (response, sizeof(response), "pid:%u;port:%u;", debugserver_pid, port);
|
|
assert (response_len < sizeof(response));
|
|
//m_port_to_pid_map[port] = debugserver_launch_info.GetProcessID();
|
|
success = SendPacket (response, response_len) > 0;
|
|
}
|
|
}
|
|
::unlink (unix_socket_name);
|
|
|
|
if (!success)
|
|
{
|
|
if (debugserver_pid != LLDB_INVALID_PROCESS_ID)
|
|
::kill (debugserver_pid, SIGINT);
|
|
}
|
|
return success;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return SendErrorResponse (13);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_qLaunchSuccess (StringExtractorGDBRemote &packet)
|
|
{
|
|
if (m_process_launch_error.Success())
|
|
return SendOKResponse();
|
|
StreamString response;
|
|
response.PutChar('E');
|
|
response.PutCString(m_process_launch_error.AsCString("<unknown error>"));
|
|
return SendPacket (response);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_QEnvironment (StringExtractorGDBRemote &packet)
|
|
{
|
|
packet.SetFilePos(::strlen ("QEnvironment:"));
|
|
const uint32_t bytes_left = packet.GetBytesLeft();
|
|
if (bytes_left > 0)
|
|
{
|
|
m_process_launch_info.GetEnvironmentEntries ().AppendArgument (packet.Peek());
|
|
return SendOKResponse ();
|
|
}
|
|
return SendErrorResponse (9);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_QSetDisableASLR (StringExtractorGDBRemote &packet)
|
|
{
|
|
packet.SetFilePos(::strlen ("QSetDisableASLR:"));
|
|
if (packet.GetU32(0))
|
|
m_process_launch_info.GetFlags().Set (eLaunchFlagDisableASLR);
|
|
else
|
|
m_process_launch_info.GetFlags().Clear (eLaunchFlagDisableASLR);
|
|
return SendOKResponse ();
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_QSetWorkingDir (StringExtractorGDBRemote &packet)
|
|
{
|
|
packet.SetFilePos(::strlen ("QSetWorkingDir:"));
|
|
std::string path;
|
|
packet.GetHexByteString(path);
|
|
m_process_launch_info.SwapWorkingDirectory (path);
|
|
return SendOKResponse ();
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_QSetSTDIN (StringExtractorGDBRemote &packet)
|
|
{
|
|
packet.SetFilePos(::strlen ("QSetSTDIN:"));
|
|
ProcessLaunchInfo::FileAction file_action;
|
|
std::string path;
|
|
packet.GetHexByteString(path);
|
|
const bool read = false;
|
|
const bool write = true;
|
|
if (file_action.Open(STDIN_FILENO, path.c_str(), read, write))
|
|
{
|
|
m_process_launch_info.AppendFileAction(file_action);
|
|
return SendOKResponse ();
|
|
}
|
|
return SendErrorResponse (10);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_QSetSTDOUT (StringExtractorGDBRemote &packet)
|
|
{
|
|
packet.SetFilePos(::strlen ("QSetSTDOUT:"));
|
|
ProcessLaunchInfo::FileAction file_action;
|
|
std::string path;
|
|
packet.GetHexByteString(path);
|
|
const bool read = true;
|
|
const bool write = false;
|
|
if (file_action.Open(STDOUT_FILENO, path.c_str(), read, write))
|
|
{
|
|
m_process_launch_info.AppendFileAction(file_action);
|
|
return SendOKResponse ();
|
|
}
|
|
return SendErrorResponse (11);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_QSetSTDERR (StringExtractorGDBRemote &packet)
|
|
{
|
|
packet.SetFilePos(::strlen ("QSetSTDERR:"));
|
|
ProcessLaunchInfo::FileAction file_action;
|
|
std::string path;
|
|
packet.GetHexByteString(path);
|
|
const bool read = true;
|
|
const bool write = true;
|
|
if (file_action.Open(STDERR_FILENO, path.c_str(), read, write))
|
|
{
|
|
m_process_launch_info.AppendFileAction(file_action);
|
|
return SendOKResponse ();
|
|
}
|
|
return SendErrorResponse (12);
|
|
}
|
|
|
|
bool
|
|
GDBRemoteCommunicationServer::Handle_QStartNoAckMode (StringExtractorGDBRemote &packet)
|
|
{
|
|
// Send response first before changing m_send_acks to we ack this packet
|
|
SendOKResponse ();
|
|
m_send_acks = false;
|
|
return true;
|
|
}
|