//===-- StringExtractorGDBRemote.cpp ----------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // C Includes #include // C++ Includes // Other libraries and framework includes // Project includes #include "Utility/StringExtractorGDBRemote.h" StringExtractorGDBRemote::ResponseType StringExtractorGDBRemote::GetResponseType () const { if (m_packet.empty()) return eUnsupported; switch (m_packet[0]) { case 'E': if (m_packet.size() == 3 && isxdigit(m_packet[1]) && isxdigit(m_packet[2])) return eError; break; case 'O': if (m_packet.size() == 2 && m_packet[1] == 'K') return eOK; break; case '+': if (m_packet.size() == 1) return eAck; break; case '-': if (m_packet.size() == 1) return eNack; break; } return eResponse; } StringExtractorGDBRemote::ServerPacketType StringExtractorGDBRemote::GetServerPacketType () const { #define PACKET_MATCHES(s) ((packet_size == (sizeof(s)-1)) && (strcmp((packet_cstr),(s)) == 0)) #define PACKET_STARTS_WITH(s) ((packet_size >= (sizeof(s)-1)) && ::strncmp(packet_cstr, s, (sizeof(s)-1))==0) // Empty is not a supported packet... if (m_packet.empty()) return eServerPacketType_invalid; const size_t packet_size = m_packet.size(); const char *packet_cstr = m_packet.c_str(); switch (m_packet[0]) { case '\x03': if (packet_size == 1) return eServerPacketType_interrupt; break; case '-': if (packet_size == 1) return eServerPacketType_nack; break; case '+': if (packet_size == 1) return eServerPacketType_ack; break; case 'A': return eServerPacketType_A; case 'Q': switch (packet_cstr[1]) { case 'E': if (PACKET_STARTS_WITH ("QEnvironment:")) return eServerPacketType_QEnvironment; break; case 'S': if (PACKET_MATCHES ("QStartNoAckMode")) return eServerPacketType_QStartNoAckMode; else if (PACKET_STARTS_WITH ("QSetDisableASLR:")) return eServerPacketType_QSetDisableASLR; else if (PACKET_STARTS_WITH ("QSetSTDIN:")) return eServerPacketType_QSetSTDIN; else if (PACKET_STARTS_WITH ("QSetSTDOUT:")) return eServerPacketType_QSetSTDOUT; else if (PACKET_STARTS_WITH ("QSetSTDERR:")) return eServerPacketType_QSetSTDERR; else if (PACKET_STARTS_WITH ("QSetWorkingDir:")) return eServerPacketType_QSetWorkingDir; break; case 'L': if (PACKET_STARTS_WITH ("QLaunchArch:")) return eServerPacketType_QLaunchArch; break; } break; case 'q': switch (packet_cstr[1]) { case 's': if (PACKET_MATCHES ("qsProcessInfo")) return eServerPacketType_qsProcessInfo; break; case 'f': if (PACKET_STARTS_WITH ("qfProcessInfo")) return eServerPacketType_qfProcessInfo; break; case 'C': if (packet_size == 2) return eServerPacketType_qC; break; case 'G': if (PACKET_STARTS_WITH ("qGroupName:")) return eServerPacketType_qGroupName; if (PACKET_MATCHES ("qGetWorkingDir")) return eServerPacketType_qGetWorkingDir; break; case 'H': if (PACKET_MATCHES ("qHostInfo")) return eServerPacketType_qHostInfo; break; case 'K': if (PACKET_STARTS_WITH ("qKillSpawnedProcess")) return eServerPacketType_qKillSpawnedProcess; break; case 'L': if (PACKET_STARTS_WITH ("qLaunchGDBServer")) return eServerPacketType_qLaunchGDBServer; if (PACKET_MATCHES ("qLaunchSuccess")) return eServerPacketType_qLaunchSuccess; break; case 'P': if (PACKET_STARTS_WITH ("qProcessInfoPID:")) return eServerPacketType_qProcessInfoPID; if (PACKET_STARTS_WITH ("qPlatform_shell:")) return eServerPacketType_qPlatform_shell; if (PACKET_STARTS_WITH ("qPlatform_mkdir:")) return eServerPacketType_qPlatform_mkdir; if (PACKET_STARTS_WITH ("qPlatform_chmod:")) return eServerPacketType_qPlatform_chmod; break; case 'S': if (PACKET_STARTS_WITH ("qSpeedTest:")) return eServerPacketType_qSpeedTest; break; case 'U': if (PACKET_STARTS_WITH ("qUserName:")) return eServerPacketType_qUserName; break; } break; case 'v': if (PACKET_STARTS_WITH("vFile:")) { if (PACKET_STARTS_WITH("vFile:open:")) return eServerPacketType_vFile_open; else if (PACKET_STARTS_WITH("vFile:close:")) return eServerPacketType_vFile_close; else if (PACKET_STARTS_WITH("vFile:pread")) return eServerPacketType_vFile_pread; else if (PACKET_STARTS_WITH("vFile:pwrite")) return eServerPacketType_vFile_pwrite; else if (PACKET_STARTS_WITH("vFile:size")) return eServerPacketType_vFile_size; else if (PACKET_STARTS_WITH("vFile:exists")) return eServerPacketType_vFile_exists; else if (PACKET_STARTS_WITH("vFile:stat")) return eServerPacketType_vFile_stat; else if (PACKET_STARTS_WITH("vFile:mode")) return eServerPacketType_vFile_mode; else if (PACKET_STARTS_WITH("vFile:MD5")) return eServerPacketType_vFile_md5; else if (PACKET_STARTS_WITH("vFile:symlink")) return eServerPacketType_vFile_symlink; else if (PACKET_STARTS_WITH("vFile:unlink")) return eServerPacketType_vFile_unlink; } break; } return eServerPacketType_unimplemented; } bool StringExtractorGDBRemote::IsOKResponse() const { return GetResponseType () == eOK; } bool StringExtractorGDBRemote::IsUnsupportedResponse() const { return GetResponseType () == eUnsupported; } bool StringExtractorGDBRemote::IsNormalResponse() const { return GetResponseType () == eResponse; } bool StringExtractorGDBRemote::IsErrorResponse() const { return GetResponseType () == eError && m_packet.size() == 3 && isxdigit(m_packet[1]) && isxdigit(m_packet[2]); } uint8_t StringExtractorGDBRemote::GetError () { if (GetResponseType() == eError) { SetFilePos(1); return GetHexU8(255); } return 0; } size_t StringExtractorGDBRemote::GetEscapedBinaryData (std::string &str) { str.clear(); char ch; while (GetBytesLeft()) { ch = GetChar(); if (ch == 0x7d) ch = (GetChar() ^ 0x20); str.append(1,ch); } return str.size(); }