| //===-- GDBRemoteCommunicationServer.cpp ------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| |
| #include "GDBRemoteCommunicationServer.h" |
| |
| // C Includes |
| // C++ Includes |
| // Other libraries and framework includes |
| #include "llvm/ADT/Triple.h" |
| #include "lldb/Interpreter/Args.h" |
| #include "lldb/Core/ConnectionFileDescriptor.h" |
| #include "lldb/Core/Log.h" |
| #include "lldb/Core/State.h" |
| #include "lldb/Core/StreamString.h" |
| #include "lldb/Host/Endian.h" |
| #include "lldb/Host/Host.h" |
| #include "lldb/Host/TimeValue.h" |
| #include "lldb/Target/Process.h" |
| |
| // Project includes |
| #include "Utility/StringExtractorGDBRemote.h" |
| #include "ProcessGDBRemote.h" |
| #include "ProcessGDBRemoteLog.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| |
| //---------------------------------------------------------------------- |
| // GDBRemoteCommunicationServer constructor |
| //---------------------------------------------------------------------- |
| GDBRemoteCommunicationServer::GDBRemoteCommunicationServer(bool is_platform) : |
| GDBRemoteCommunication ("gdb-remote.server", "gdb-remote.server.rx_packet", is_platform), |
| m_async_thread (LLDB_INVALID_HOST_THREAD), |
| m_process_launch_info (), |
| m_process_launch_error (), |
| m_proc_infos (), |
| m_proc_infos_index (0), |
| m_lo_port_num (0), |
| m_hi_port_num (0) |
| { |
| } |
| |
| //---------------------------------------------------------------------- |
| // Destructor |
| //---------------------------------------------------------------------- |
| GDBRemoteCommunicationServer::~GDBRemoteCommunicationServer() |
| { |
| } |
| |
| |
| //void * |
| //GDBRemoteCommunicationServer::AsyncThread (void *arg) |
| //{ |
| // GDBRemoteCommunicationServer *server = (GDBRemoteCommunicationServer*) arg; |
| // |
| // LogSP log;// (ProcessGDBRemoteLog::GetLogIfAllCategoriesSet (GDBR_LOG_PROCESS)); |
| // if (log) |
| // log->Printf ("ProcessGDBRemote::%s (arg = %p, pid = %i) thread starting...", __FUNCTION__, arg, process->GetID()); |
| // |
| // StringExtractorGDBRemote packet; |
| // |
| // while () |
| // { |
| // if (packet. |
| // } |
| // |
| // if (log) |
| // log->Printf ("ProcessGDBRemote::%s (arg = %p, pid = %i) thread exiting...", __FUNCTION__, arg, process->GetID()); |
| // |
| // process->m_async_thread = LLDB_INVALID_HOST_THREAD; |
| // return NULL; |
| //} |
| // |
| bool |
| GDBRemoteCommunicationServer::GetPacketAndSendResponse (uint32_t timeout_usec, |
| Error &error, |
| bool &interrupt, |
| bool &quit) |
| { |
| StringExtractorGDBRemote packet; |
| if (WaitForPacketWithTimeoutMicroSecondsNoLock (packet, timeout_usec)) |
| { |
| const StringExtractorGDBRemote::ServerPacketType packet_type = packet.GetServerPacketType (); |
| switch (packet_type) |
| { |
| case StringExtractorGDBRemote::eServerPacketType_nack: |
| case StringExtractorGDBRemote::eServerPacketType_ack: |
| break; |
| |
| case StringExtractorGDBRemote::eServerPacketType_invalid: |
| error.SetErrorString("invalid packet"); |
| quit = true; |
| break; |
| |
| case StringExtractorGDBRemote::eServerPacketType_interrupt: |
| error.SetErrorString("interrupt received"); |
| interrupt = true; |
| break; |
| |
| case StringExtractorGDBRemote::eServerPacketType_unimplemented: |
| return SendUnimplementedResponse (packet.GetStringRef().c_str()) > 0; |
| |
| case StringExtractorGDBRemote::eServerPacketType_A: |
| return Handle_A (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qfProcessInfo: |
| return Handle_qfProcessInfo (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qsProcessInfo: |
| return Handle_qsProcessInfo (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qC: |
| return Handle_qC (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qHostInfo: |
| return Handle_qHostInfo (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qLaunchGDBServer: |
| return Handle_qLaunchGDBServer (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qLaunchSuccess: |
| return Handle_qLaunchSuccess (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qGroupName: |
| return Handle_qGroupName (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qProcessInfoPID: |
| return Handle_qProcessInfoPID (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qSpeedTest: |
| return Handle_qSpeedTest (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_qUserName: |
| return Handle_qUserName (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_QEnvironment: |
| return Handle_QEnvironment (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_QSetDisableASLR: |
| return Handle_QSetDisableASLR (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_QSetSTDIN: |
| return Handle_QSetSTDIN (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_QSetSTDOUT: |
| return Handle_QSetSTDOUT (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_QSetSTDERR: |
| return Handle_QSetSTDERR (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_QSetWorkingDir: |
| return Handle_QSetWorkingDir (packet); |
| |
| case StringExtractorGDBRemote::eServerPacketType_QStartNoAckMode: |
| return Handle_QStartNoAckMode (packet); |
| } |
| return true; |
| } |
| else |
| { |
| if (!IsConnected()) |
| error.SetErrorString("lost connection"); |
| else |
| error.SetErrorString("timeout"); |
| } |
| |
| return false; |
| } |
| |
| size_t |
| GDBRemoteCommunicationServer::SendUnimplementedResponse (const char *) |
| { |
| // TODO: Log the packet we aren't handling... |
| return SendPacketNoLock ("", 0); |
| } |
| |
| 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 SendPacketNoLock (packet, packet_len); |
| } |
| |
| |
| size_t |
| GDBRemoteCommunicationServer::SendOKResponse () |
| { |
| return SendPacketNoLock ("OK", 2); |
| } |
| |
| bool |
| GDBRemoteCommunicationServer::HandshakeWithClient(Error *error_ptr) |
| { |
| return GetAck(); |
| } |
| |
| bool |
| GDBRemoteCommunicationServer::Handle_qHostInfo (StringExtractorGDBRemote &packet) |
| { |
| StreamString response; |
| |
| // $cputype:16777223;cpusubtype:3;ostype:Darwin;vendor:apple;endian:little;ptrsize:8;#00 |
| |
| ArchSpec host_arch (Host::GetArchitecture ()); |
| const llvm::Triple &host_triple = host_arch.GetTriple(); |
| response.PutCString("triple:"); |
| response.PutCStringAsRawHex8(host_triple.getTriple().c_str()); |
| response.Printf (";ptrsize:%u;",host_arch.GetAddressByteSize()); |
| |
| uint32_t cpu = host_arch.GetMachOCPUType(); |
| uint32_t sub = host_arch.GetMachOCPUSubType(); |
| if (cpu != LLDB_INVALID_CPUTYPE) |
| response.Printf ("cputype:%u;", cpu); |
| if (sub != LLDB_INVALID_CPUTYPE) |
| response.Printf ("cpusubtype:%u;", sub); |
| |
| switch (lldb::endian::InlHostByteOrder()) |
| { |
| case eByteOrderBig: response.PutCString ("endian:big;"); break; |
| case eByteOrderLittle: response.PutCString ("endian:little;"); break; |
| case eByteOrderPDP: response.PutCString ("endian:pdp;"); break; |
| default: response.PutCString ("endian:unknown;"); break; |
| } |
| |
| uint32_t major = UINT32_MAX; |
| uint32_t minor = UINT32_MAX; |
| uint32_t update = UINT32_MAX; |
| if (Host::GetOSVersion (major, minor, update)) |
| { |
| if (major != UINT32_MAX) |
| { |
| response.Printf("os_version:%u", major); |
| if (minor != UINT32_MAX) |
| { |
| response.Printf(".%u", minor); |
| if (update != UINT32_MAX) |
| response.Printf(".%u", update); |
| } |
| response.PutChar(';'); |
| } |
| } |
| |
| std::string s; |
| if (Host::GetOSBuildString (s)) |
| { |
| response.PutCString ("os_build:"); |
| response.PutCStringAsRawHex8(s.c_str()); |
| response.PutChar(';'); |
| } |
| if (Host::GetOSKernelDescription (s)) |
| { |
| response.PutCString ("os_kernel:"); |
| response.PutCStringAsRawHex8(s.c_str()); |
| response.PutChar(';'); |
| } |
| if (Host::GetHostname (s)) |
| { |
| response.PutCString ("hostname:"); |
| response.PutCStringAsRawHex8(s.c_str()); |
| response.PutChar(';'); |
| } |
| |
| return SendPacketNoLock (response.GetData(), response.GetSize()) > 0; |
| } |
| |
| static void |
| CreateProcessInfoResponse (const ProcessInstanceInfo &proc_info, StreamString &response) |
| { |
| response.Printf ("pid:%llu;ppid:%llu;uid:%i;gid:%i;euid:%i;egid:%i;", |
| proc_info.GetProcessID(), |
| proc_info.GetParentProcessID(), |
| proc_info.GetUserID(), |
| proc_info.GetGroupID(), |
| 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) |
| { |
| ProcessInstanceInfo proc_info; |
| if (Host::GetProcessInfo(pid, proc_info)) |
| { |
| StreamString response; |
| CreateProcessInfoResponse (proc_info, response); |
| return SendPacketNoLock (response.GetData(), response.GetSize()); |
| } |
| } |
| return SendErrorResponse (1); |
| } |
| |
| bool |
| GDBRemoteCommunicationServer::Handle_qfProcessInfo (StringExtractorGDBRemote &packet) |
| { |
| m_proc_infos_index = 0; |
| m_proc_infos.Clear(); |
| |
| ProcessInstanceInfoMatch 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().GetExecutableFile().SetFile(value.c_str(), false); |
| } |
| 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().SetUserID (Args::StringToUInt32(value.c_str(), UINT32_MAX, 0, &success)); |
| } |
| else if (key.compare("gid") == 0) |
| { |
| match_info.GetProcessInfo().SetGroupID (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(), NULL); |
| } |
| 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 SendPacketNoLock (response.GetData(), response.GetSize()); |
| } |
| 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 SendPacketNoLock (response.GetData(), response.GetSize()); |
| } |
| } |
| 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 SendPacketNoLock (response.GetData(), response.GetSize()); |
| } |
| } |
| return SendErrorResponse (6); |
| } |
| |
| bool |
| GDBRemoteCommunicationServer::Handle_qSpeedTest (StringExtractorGDBRemote &packet) |
| { |
| packet.SetFilePos(::strlen ("qSpeedTest:")); |
| |
| std::string key; |
| std::string value; |
| bool success = packet.GetNameColonValue(key, value); |
| if (success && key.compare("response_size") == 0) |
| { |
| uint32_t response_size = Args::StringToUInt32(value.c_str(), 0, 0, &success); |
| if (success) |
| { |
| if (response_size == 0) |
| return SendOKResponse(); |
| StreamString response; |
| uint32_t bytes_left = response_size; |
| response.PutCString("data:"); |
| while (bytes_left > 0) |
| { |
| if (bytes_left >= 26) |
| { |
| response.PutCString("ABCDEFGHIJKLMNOPQRSTUVWXYZ"); |
| bytes_left -= 26; |
| } |
| else |
| { |
| response.Printf ("%*.*s;", bytes_left, bytes_left, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"); |
| bytes_left = 0; |
| } |
| } |
| return SendPacketNoLock (response.GetData(), response.GetSize()); |
| } |
| } |
| return SendErrorResponse (7); |
| } |
| |
| |
| static void * |
| AcceptPortFromInferior (void *arg) |
| { |
| const char *connect_url = (const char *)arg; |
| ConnectionFileDescriptor file_conn; |
| Error error; |
| if (file_conn.Connect (connect_url, &error) == eConnectionStatusSuccess) |
| { |
| char pid_str[256]; |
| ::memset (pid_str, 0, sizeof(pid_str)); |
| ConnectionStatus status; |
| const size_t pid_str_len = file_conn.Read (pid_str, sizeof(pid_str), 0, 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%llx", 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 SendPacketNoLock (response.GetData(), response.GetSize()); |
| } |
| |
| 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:%llu;port:%u;", debugserver_pid, port); |
| assert (response_len < sizeof(response)); |
| //m_port_to_pid_map[port] = debugserver_launch_info.GetProcessID(); |
| success = SendPacketNoLock (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 SendPacketNoLock (response.GetData(), response.GetSize()); |
| } |
| |
| 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 = false; |
| 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; |
| } |
