diff options
Diffstat (limited to 'lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp | 237 |
1 files changed, 229 insertions, 8 deletions
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp index faee6776a83..ea6842b999a 100644 --- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp +++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp @@ -97,13 +97,28 @@ GDBRemoteCommunicationServer::GetPacketAndSendResponse (const TimeValue* timeout break; case StringExtractorGDBRemote::eServerPacketType_unimplemented: - return SendUnimplementedResponse () > 0; + return SendUnimplementedResponse (packet.GetStringRef().c_str()) > 0; case StringExtractorGDBRemote::eServerPacketType_qHostInfo: - return Handle_qHostInfo (); - + return Handle_qHostInfo (packet); + + case StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID: + return Handle_qProcessInfoPID (packet); + + case StringExtractorGDBRemote::eServerPacketType_qfProcessInfo: + return Handle_qfProcessInfo (packet); + + case StringExtractorGDBRemote::eServerPacketType_qsProcessInfo: + return Handle_qsProcessInfo (packet); + + case StringExtractorGDBRemote::eServerPacketType_qUserName: + return Handle_qUserName (packet); + + case StringExtractorGDBRemote::eServerPacketType_qGroupName: + return Handle_qGroupName (packet); + case StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode: - return Handle_QStartNoAckMode (); + return Handle_QStartNoAckMode (packet); } return true; } @@ -119,12 +134,23 @@ GDBRemoteCommunicationServer::GetPacketAndSendResponse (const TimeValue* timeout } size_t -GDBRemoteCommunicationServer::SendUnimplementedResponse () +GDBRemoteCommunicationServer::SendUnimplementedResponse (const char *) { + // TODO: Log the packet we aren't handling... return SendPacket (""); } size_t +GDBRemoteCommunicationServer::SendErrorResponse (uint8_t err) +{ + char packet[16]; + int packet_len = ::snprintf (packet, sizeof(packet), "E%2.2x", err); + assert (packet_len < sizeof(packet)); + return SendPacket (packet, packet_len); +} + + +size_t GDBRemoteCommunicationServer::SendOKResponse () { return SendPacket ("OK"); @@ -139,7 +165,7 @@ GDBRemoteCommunicationServer::HandshakeWithClient(Error *error_ptr) } bool -GDBRemoteCommunicationServer::Handle_qHostInfo () +GDBRemoteCommunicationServer::Handle_qHostInfo (StringExtractorGDBRemote &packet) { StreamString response; @@ -204,13 +230,208 @@ GDBRemoteCommunicationServer::Handle_qHostInfo () response.PutChar(';'); } - return SendPacket (response.GetString().c_str(),response.GetString().size()) > 0; + return SendPacket (response) > 0; +} + +static void +CreateProcessInfoResponse (const ProcessInfo &proc_info, StreamString &response) +{ + response.Printf ("pid:%i;ppid:%i;uid:%i;gid:%i;euid:%i;egid:%i;", + proc_info.GetProcessID(), + proc_info.GetParentProcessID(), + proc_info.GetRealUserID(), + proc_info.GetRealGroupID(), + proc_info.GetEffectiveUserID(), + proc_info.GetEffectiveGroupID()); + response.PutCString ("name:"); + response.PutCStringAsRawHex8(proc_info.GetName()); + response.PutChar(';'); + const ArchSpec &proc_arch = proc_info.GetArchitecture(); + if (proc_arch.IsValid()) + { + const llvm::Triple &proc_triple = proc_arch.GetTriple(); + response.PutCString("triple:"); + response.PutCStringAsRawHex8(proc_triple.getTriple().c_str()); + response.PutChar(';'); + } +} + +bool +GDBRemoteCommunicationServer::Handle_qProcessInfoPID (StringExtractorGDBRemote &packet) +{ + // Packet format: "qProcessInfoPID:%i" where %i is the pid + packet.SetFilePos(strlen ("qProcessInfoPID:")); + lldb::pid_t pid = packet.GetU32 (LLDB_INVALID_PROCESS_ID); + if (pid != LLDB_INVALID_PROCESS_ID) + { + ProcessInfo proc_info; + if (Host::GetProcessInfo(pid, proc_info)) + { + StreamString response; + CreateProcessInfoResponse (proc_info, response); + return SendPacket (response); + } + } + return SendErrorResponse (1); +} + +bool +GDBRemoteCommunicationServer::Handle_qfProcessInfo (StringExtractorGDBRemote &packet) +{ + m_proc_infos_index = 0; + m_proc_infos.Clear(); + + ProcessInfoMatch match_info; + packet.SetFilePos(strlen ("qfProcessInfo")); + if (packet.GetChar() == ':') + { + + std::string key; + std::string value; + while (packet.GetNameColonValue(key, value)) + { + bool success = true; + if (key.compare("name") == 0) + { + StringExtractor extractor; + extractor.GetStringRef().swap(value); + extractor.GetHexByteString (value); + match_info.GetProcessInfo().SetName (value.c_str()); + } + else if (key.compare("name_match") == 0) + { + if (value.compare("equals") == 0) + { + match_info.SetNameMatchType (eNameMatchEquals); + } + else if (value.compare("starts_with") == 0) + { + match_info.SetNameMatchType (eNameMatchStartsWith); + } + else if (value.compare("ends_with") == 0) + { + match_info.SetNameMatchType (eNameMatchEndsWith); + } + else if (value.compare("contains") == 0) + { + match_info.SetNameMatchType (eNameMatchContains); + } + else if (value.compare("regex") == 0) + { + match_info.SetNameMatchType (eNameMatchRegularExpression); + } + else + { + success = false; + } + } + else if (key.compare("pid") == 0) + { + match_info.GetProcessInfo().SetProcessID (Args::StringToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success)); + } + else if (key.compare("parent_pid") == 0) + { + match_info.GetProcessInfo().SetParentProcessID (Args::StringToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0, &success)); + } + else if (key.compare("uid") == 0) + { + match_info.GetProcessInfo().SetRealUserID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success)); + } + else if (key.compare("gid") == 0) + { + match_info.GetProcessInfo().SetRealGroupID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success)); + } + else if (key.compare("euid") == 0) + { + match_info.GetProcessInfo().SetEffectiveUserID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success)); + } + else if (key.compare("egid") == 0) + { + match_info.GetProcessInfo().SetEffectiveGroupID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success)); + } + else if (key.compare("all_users") == 0) + { + match_info.SetMatchAllUsers(Args::StringToBoolean(value.c_str(), false, &success)); + } + else if (key.compare("triple") == 0) + { + match_info.GetProcessInfo().GetArchitecture().SetTriple(value.c_str()); + } + else + { + success = false; + } + + if (!success) + return SendErrorResponse (2); + } + } + + if (Host::FindProcesses (match_info, m_proc_infos)) + { + // We found something, return the first item by calling the get + // subsequent process info packet handler... + return Handle_qsProcessInfo (packet); + } + return SendErrorResponse (3); +} + +bool +GDBRemoteCommunicationServer::Handle_qsProcessInfo (StringExtractorGDBRemote &packet) +{ + if (m_proc_infos_index < m_proc_infos.GetSize()) + { + StreamString response; + CreateProcessInfoResponse (m_proc_infos.GetProcessInfoAtIndex(m_proc_infos_index), response); + ++m_proc_infos_index; + return SendPacket (response); + } + return SendErrorResponse (4); +} + +bool +GDBRemoteCommunicationServer::Handle_qUserName (StringExtractorGDBRemote &packet) +{ + // Packet format: "qUserName:%i" where %i is the uid + packet.SetFilePos(strlen ("qUserName:")); + uint32_t uid = packet.GetU32 (UINT32_MAX); + if (uid != UINT32_MAX) + { + std::string name; + if (Host::GetUserName (uid, name)) + { + StreamString response; + response.PutCStringAsRawHex8 (name.c_str()); + return SendPacket (response); + } + } + return SendErrorResponse (5); + } +bool +GDBRemoteCommunicationServer::Handle_qGroupName (StringExtractorGDBRemote &packet) +{ + // Packet format: "qGroupName:%i" where %i is the gid + packet.SetFilePos(strlen ("qGroupName:")); + uint32_t gid = packet.GetU32 (UINT32_MAX); + if (gid != UINT32_MAX) + { + std::string name; + if (Host::GetGroupName (gid, name)) + { + StreamString response; + response.PutCStringAsRawHex8 (name.c_str()); + return SendPacket (response); + } + } + return SendErrorResponse (6); +} bool -GDBRemoteCommunicationServer::Handle_QStartNoAckMode () +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; |
