diff options
Diffstat (limited to 'lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp')
| -rw-r--r-- | lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp | 191 |
1 files changed, 178 insertions, 13 deletions
diff --git a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp index 2cebb10c0fb..d4f6592f5bd 100644 --- a/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp +++ b/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp @@ -34,8 +34,8 @@ using namespace lldb_private; //---------------------------------------------------------------------- // GDBRemoteCommunicationClient constructor //---------------------------------------------------------------------- -GDBRemoteCommunicationClient::GDBRemoteCommunicationClient() : - GDBRemoteCommunication("gdb-remote.client", "gdb-remote.client.rx_packet"), +GDBRemoteCommunicationClient::GDBRemoteCommunicationClient(bool is_platform) : + GDBRemoteCommunication("gdb-remote.client", "gdb-remote.client.rx_packet", is_platform), m_supports_not_sending_acks (eLazyBoolCalculate), m_supports_thread_suffix (eLazyBoolCalculate), m_supports_vCont_all (eLazyBoolCalculate), @@ -49,6 +49,14 @@ GDBRemoteCommunicationClient::GDBRemoteCommunicationClient() : m_supports_qfProcessInfo (true), m_supports_qUserName (true), m_supports_qGroupName (true), + m_supports_qThreadStopInfo (true), + m_supports_z0 (true), + m_supports_z1 (true), + m_supports_z2 (true), + m_supports_z3 (true), + m_supports_z4 (true), + m_curr_tid (LLDB_INVALID_THREAD_ID), + m_curr_tid_run (LLDB_INVALID_THREAD_ID), m_async_mutex (Mutex::eMutexTypeRecursive), m_async_packet_predicate (false), m_async_packet (), @@ -126,6 +134,12 @@ GDBRemoteCommunicationClient::ResetDiscoverableSettings() m_supports_qfProcessInfo = true; m_supports_qUserName = true; m_supports_qGroupName = true; + m_supports_qThreadStopInfo = true; + m_supports_z0 = true; + m_supports_z1 = true; + m_supports_z2 = true; + m_supports_z3 = true; + m_supports_z4 = true; m_host_arch.Clear(); } @@ -1119,7 +1133,7 @@ GDBRemoteCommunicationClient::SetDisableASLR (bool enable) } bool -GDBRemoteCommunicationClient::DecodeProcessInfoResponse (StringExtractorGDBRemote &response, ProcessInfo &process_info) +GDBRemoteCommunicationClient::DecodeProcessInfoResponse (StringExtractorGDBRemote &response, ProcessInstanceInfo &process_info) { if (response.IsNormalResponse()) { @@ -1139,7 +1153,7 @@ GDBRemoteCommunicationClient::DecodeProcessInfoResponse (StringExtractorGDBRemot } else if (name.compare("uid") == 0) { - process_info.SetRealUserID (Args::StringToUInt32 (value.c_str(), UINT32_MAX, 0)); + process_info.SetUserID (Args::StringToUInt32 (value.c_str(), UINT32_MAX, 0)); } else if (name.compare("euid") == 0) { @@ -1147,7 +1161,7 @@ GDBRemoteCommunicationClient::DecodeProcessInfoResponse (StringExtractorGDBRemot } else if (name.compare("gid") == 0) { - process_info.SetRealGroupID (Args::StringToUInt32 (value.c_str(), UINT32_MAX, 0)); + process_info.SetGroupID (Args::StringToUInt32 (value.c_str(), UINT32_MAX, 0)); } else if (name.compare("egid") == 0) { @@ -1180,7 +1194,7 @@ GDBRemoteCommunicationClient::DecodeProcessInfoResponse (StringExtractorGDBRemot } bool -GDBRemoteCommunicationClient::GetProcessInfo (lldb::pid_t pid, ProcessInfo &process_info) +GDBRemoteCommunicationClient::GetProcessInfo (lldb::pid_t pid, ProcessInstanceInfo &process_info) { process_info.Clear(); @@ -1205,8 +1219,8 @@ GDBRemoteCommunicationClient::GetProcessInfo (lldb::pid_t pid, ProcessInfo &proc } uint32_t -GDBRemoteCommunicationClient::FindProcesses (const ProcessInfoMatch &match_info, - ProcessInfoList &process_infos) +GDBRemoteCommunicationClient::FindProcesses (const ProcessInstanceInfoMatch &match_info, + ProcessInstanceInfoList &process_infos) { process_infos.Clear(); @@ -1261,10 +1275,10 @@ GDBRemoteCommunicationClient::FindProcesses (const ProcessInfoMatch &match_info, packet.Printf("pid:%u;",match_info.GetProcessInfo().GetProcessID()); if (match_info.GetProcessInfo().ParentProcessIDIsValid()) packet.Printf("parent_pid:%u;",match_info.GetProcessInfo().GetParentProcessID()); - if (match_info.GetProcessInfo().RealUserIDIsValid()) - packet.Printf("uid:%u;",match_info.GetProcessInfo().GetRealUserID()); - if (match_info.GetProcessInfo().RealGroupIDIsValid()) - packet.Printf("gid:%u;",match_info.GetProcessInfo().GetRealGroupID()); + if (match_info.GetProcessInfo().UserIDIsValid()) + packet.Printf("uid:%u;",match_info.GetProcessInfo().GetUserID()); + if (match_info.GetProcessInfo().GroupIDIsValid()) + packet.Printf("gid:%u;",match_info.GetProcessInfo().GetGroupID()); if (match_info.GetProcessInfo().EffectiveUserIDIsValid()) packet.Printf("euid:%u;",match_info.GetProcessInfo().GetEffectiveUserID()); if (match_info.GetProcessInfo().EffectiveGroupIDIsValid()) @@ -1291,7 +1305,7 @@ GDBRemoteCommunicationClient::FindProcesses (const ProcessInfoMatch &match_info, do { - ProcessInfo process_info; + ProcessInstanceInfo process_info; if (!DecodeProcessInfoResponse (response, process_info)) break; process_infos.Append(process_info); @@ -1447,3 +1461,154 @@ GDBRemoteCommunicationClient::SendSpeedTestPacket (uint32_t send_size, uint32_t } return false; } + +uint16_t +GDBRemoteCommunicationClient::LaunchGDBserverAndGetPort () +{ + StringExtractorGDBRemote response; + if (SendPacketAndWaitForResponse("qLaunchGDBServer", strlen("qLaunchGDBServer"), response, false)) + { + std::string name; + std::string value; + uint16_t port = 0; + lldb::pid_t pid = LLDB_INVALID_PROCESS_ID; + while (response.GetNameColonValue(name, value)) + { + if (name.size() == 4 && name.compare("port") == 0) + port = Args::StringToUInt32(value.c_str(), 0, 0); + if (name.size() == 3 && name.compare("pid") == 0) + pid = Args::StringToUInt32(value.c_str(), LLDB_INVALID_PROCESS_ID, 0); + } + return port; + } + return 0; +} + +bool +GDBRemoteCommunicationClient::SetCurrentThread (int tid) +{ + if (m_curr_tid == tid) + return true; + + char packet[32]; + int packet_len; + if (tid <= 0) + packet_len = ::snprintf (packet, sizeof(packet), "Hg%i", tid); + else + packet_len = ::snprintf (packet, sizeof(packet), "Hg%x", tid); + assert (packet_len + 1 < sizeof(packet)); + StringExtractorGDBRemote response; + if (SendPacketAndWaitForResponse(packet, packet_len, response, false)) + { + if (response.IsOKResponse()) + { + m_curr_tid = tid; + return true; + } + } + return false; +} + +bool +GDBRemoteCommunicationClient::SetCurrentThreadForRun (int tid) +{ + if (m_curr_tid_run == tid) + return true; + + char packet[32]; + int packet_len; + if (tid <= 0) + packet_len = ::snprintf (packet, sizeof(packet), "Hc%i", tid); + else + packet_len = ::snprintf (packet, sizeof(packet), "Hc%x", tid); + + assert (packet_len + 1 < sizeof(packet)); + StringExtractorGDBRemote response; + if (SendPacketAndWaitForResponse(packet, packet_len, response, false)) + { + if (response.IsOKResponse()) + { + m_curr_tid_run = tid; + return true; + } + } + return false; +} + +bool +GDBRemoteCommunicationClient::GetStopReply (StringExtractorGDBRemote &response) +{ + if (SendPacketAndWaitForResponse("?", 1, response, false)) + return response.IsNormalResponse(); + return false; +} + +bool +GDBRemoteCommunicationClient::GetThreadStopInfo (uint32_t tid, StringExtractorGDBRemote &response) +{ + if (m_supports_qThreadStopInfo) + { + char packet[256]; + int packet_len = ::snprintf(packet, sizeof(packet), "qThreadStopInfo%x", tid); + assert (packet_len < sizeof(packet)); + if (SendPacketAndWaitForResponse(packet, packet_len, response, false)) + { + if (response.IsUnsupportedResponse()) + m_supports_qThreadStopInfo = false; + else if (response.IsNormalResponse()) + return true; + else + return false; + } + } + if (SetCurrentThread (tid)) + return GetStopReply (response); + return false; +} + + +uint8_t +GDBRemoteCommunicationClient::SendGDBStoppointTypePacket (GDBStoppointType type, bool insert, addr_t addr, uint32_t length) +{ + switch (type) + { + case eBreakpointSoftware: if (!m_supports_z0) return UINT8_MAX; break; + case eBreakpointHardware: if (!m_supports_z1) return UINT8_MAX; break; + case eWatchpointWrite: if (!m_supports_z2) return UINT8_MAX; break; + case eWatchpointRead: if (!m_supports_z3) return UINT8_MAX; break; + case eWatchpointReadWrite: if (!m_supports_z4) return UINT8_MAX; break; + default: return UINT8_MAX; + } + + char packet[64]; + const int packet_len = ::snprintf (packet, + sizeof(packet), + "%c%i,%llx,%x", + insert ? 'Z' : 'z', + type, + addr, + length); + + assert (packet_len + 1 < sizeof(packet)); + StringExtractorGDBRemote response; + if (SendPacketAndWaitForResponse(packet, packet_len, response, true)) + { + if (response.IsOKResponse()) + return 0; + if (response.IsUnsupportedResponse()) + { + switch (type) + { + case eBreakpointSoftware: m_supports_z0 = false; break; + case eBreakpointHardware: m_supports_z1 = false; break; + case eWatchpointWrite: m_supports_z2 = false; break; + case eWatchpointRead: m_supports_z3 = false; break; + case eWatchpointReadWrite: m_supports_z4 = false; break; + default: break; + } + } + else if (response.IsErrorResponse()) + return response.GetError(); + } + return UINT8_MAX; +} |
