diff options
Diffstat (limited to 'source/Plugins/Process/gdb-remote')
19 files changed, 1176 insertions, 1248 deletions
diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.cpp index fe7ef6b3aceab..064bbde8442e7 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.cpp @@ -63,18 +63,16 @@ StateType GDBRemoteClientBase::SendContinuePacketAndWaitForResponse( case PacketResult::Success: break; default: - if (log) - log->Printf("GDBRemoteClientBase::%s () ReadPacket(...) => false", - __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteClientBase::%s () ReadPacket(...) => false", + __FUNCTION__); return eStateInvalid; } if (response.Empty()) return eStateInvalid; const char stop_type = response.GetChar(); - if (log) - log->Printf("GDBRemoteClientBase::%s () got packet: %s", __FUNCTION__, - response.GetStringRef().c_str()); + LLDB_LOGF(log, "GDBRemoteClientBase::%s () got packet: %s", __FUNCTION__, + response.GetStringRef().data()); switch (stop_type) { case 'W': @@ -84,9 +82,8 @@ StateType GDBRemoteClientBase::SendContinuePacketAndWaitForResponse( // ERROR return eStateInvalid; default: - if (log) - log->Printf("GDBRemoteClientBase::%s () unrecognized async packet", - __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteClientBase::%s () unrecognized async packet", + __FUNCTION__); return eStateInvalid; case 'O': { std::string inferior_stdout; @@ -162,10 +159,10 @@ GDBRemoteClientBase::SendPacketAndWaitForResponse( if (!lock) { if (Log *log = ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)) - log->Printf("GDBRemoteClientBase::%s failed to get mutex, not sending " - "packet '%.*s' (send_async=%d)", - __FUNCTION__, int(payload.size()), payload.data(), - send_async); + LLDB_LOGF(log, + "GDBRemoteClientBase::%s failed to get mutex, not sending " + "packet '%.*s' (send_async=%d)", + __FUNCTION__, int(payload.size()), payload.data(), send_async); return PacketResult::ErrorSendFailed; } @@ -181,10 +178,10 @@ GDBRemoteClientBase::SendPacketAndReceiveResponseWithOutputSupport( if (!lock) { if (Log *log = ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)) - log->Printf("GDBRemoteClientBase::%s failed to get mutex, not sending " - "packet '%.*s' (send_async=%d)", - __FUNCTION__, int(payload.size()), payload.data(), - send_async); + LLDB_LOGF(log, + "GDBRemoteClientBase::%s failed to get mutex, not sending " + "packet '%.*s' (send_async=%d)", + __FUNCTION__, int(payload.size()), payload.data(), send_async); return PacketResult::ErrorSendFailed; } @@ -214,13 +211,13 @@ GDBRemoteClientBase::SendPacketAndWaitForResponseNoLock( return packet_result; // Response says it wasn't valid Log *log = ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PACKETS); - if (log) - log->Printf( - "error: packet with payload \"%.*s\" got invalid response \"%s\": %s", - int(payload.size()), payload.data(), response.GetStringRef().c_str(), - (i == (max_response_retries - 1)) - ? "using invalid response and giving up" - : "ignoring response and waiting for another"); + LLDB_LOGF( + log, + "error: packet with payload \"%.*s\" got invalid response \"%s\": %s", + int(payload.size()), payload.data(), response.GetStringRef().data(), + (i == (max_response_retries - 1)) + ? "using invalid response and giving up" + : "ignoring response and waiting for another"); } return packet_result; } @@ -228,16 +225,14 @@ GDBRemoteClientBase::SendPacketAndWaitForResponseNoLock( bool GDBRemoteClientBase::SendvContPacket(llvm::StringRef payload, StringExtractorGDBRemote &response) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("GDBRemoteCommunicationClient::%s ()", __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationClient::%s ()", __FUNCTION__); // we want to lock down packet sending while we continue Lock lock(*this, true); - if (log) - log->Printf( - "GDBRemoteCommunicationClient::%s () sending vCont packet: %.*s", - __FUNCTION__, int(payload.size()), payload.data()); + LLDB_LOGF(log, + "GDBRemoteCommunicationClient::%s () sending vCont packet: %.*s", + __FUNCTION__, int(payload.size()), payload.data()); if (SendPacketNoLock(payload) != PacketResult::Success) return false; @@ -315,18 +310,16 @@ void GDBRemoteClientBase::ContinueLock::unlock() { GDBRemoteClientBase::ContinueLock::LockResult GDBRemoteClientBase::ContinueLock::lock() { Log *log = ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS); - if (log) - log->Printf("GDBRemoteClientBase::ContinueLock::%s() resuming with %s", - __FUNCTION__, m_comm.m_continue_packet.c_str()); + LLDB_LOGF(log, "GDBRemoteClientBase::ContinueLock::%s() resuming with %s", + __FUNCTION__, m_comm.m_continue_packet.c_str()); lldbassert(!m_acquired); std::unique_lock<std::mutex> lock(m_comm.m_mutex); m_comm.m_cv.wait(lock, [this] { return m_comm.m_async_count == 0; }); if (m_comm.m_should_stop) { m_comm.m_should_stop = false; - if (log) - log->Printf("GDBRemoteClientBase::ContinueLock::%s() cancelled", - __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteClientBase::ContinueLock::%s() cancelled", + __FUNCTION__); return LockResult::Cancelled; } if (m_comm.SendPacketNoLock(m_comm.m_continue_packet) != @@ -368,9 +361,8 @@ void GDBRemoteClientBase::Lock::SyncWithContinueThread(bool interrupt) { size_t bytes_written = m_comm.Write(&ctrl_c, 1, status, nullptr); if (bytes_written == 0) { --m_comm.m_async_count; - if (log) - log->Printf("GDBRemoteClientBase::Lock::Lock failed to send " - "interrupt packet"); + LLDB_LOGF(log, "GDBRemoteClientBase::Lock::Lock failed to send " + "interrupt packet"); return; } if (log) diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.h b/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.h index 54f69e8caac68..ea294ffcef261 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.h +++ b/source/Plugins/Process/gdb-remote/GDBRemoteClientBase.h @@ -24,12 +24,10 @@ public: virtual void HandleAsyncMisc(llvm::StringRef data) = 0; virtual void HandleStopReply() = 0; - // ========================================================================= /// Process asynchronously-received structured data. /// /// \param[in] data /// The complete data packet, expected to start with JSON-async. - // ========================================================================= virtual void HandleAsyncStructuredDataPacket(llvm::StringRef data) = 0; }; @@ -83,42 +81,48 @@ protected: virtual void OnRunPacketSent(bool first); private: - // Variables handling synchronization between the Continue thread and any - // other threads - // wishing to send packets over the connection. Either the continue thread has - // control over - // the connection (m_is_running == true) or the connection is free for an - // arbitrary number of - // other senders to take which indicate their interest by incrementing - // m_async_count. - // Semantics of individual states: - // - m_continue_packet == false, m_async_count == 0: connection is free - // - m_continue_packet == true, m_async_count == 0: only continue thread is - // present - // - m_continue_packet == true, m_async_count > 0: continue thread has - // control, async threads - // should interrupt it and wait for it to set m_continue_packet to false - // - m_continue_packet == false, m_async_count > 0: async threads have - // control, continue - // thread needs to wait for them to finish (m_async_count goes down to 0). + /// Variables handling synchronization between the Continue thread and any + /// other threads wishing to send packets over the connection. Either the + /// continue thread has control over the connection (m_is_running == true) or + /// the connection is free for an arbitrary number of other senders to take + /// which indicate their interest by incrementing m_async_count. + /// + /// Semantics of individual states: + /// + /// - m_continue_packet == false, m_async_count == 0: + /// connection is free + /// - m_continue_packet == true, m_async_count == 0: + /// only continue thread is present + /// - m_continue_packet == true, m_async_count > 0: + /// continue thread has control, async threads should interrupt it and wait + /// for it to set m_continue_packet to false + /// - m_continue_packet == false, m_async_count > 0: + /// async threads have control, continue thread needs to wait for them to + /// finish (m_async_count goes down to 0). + /// @{ std::mutex m_mutex; std::condition_variable m_cv; - // Packet with which to resume after an async interrupt. Can be changed by an - // async thread - // e.g. to inject a signal. + + /// Packet with which to resume after an async interrupt. Can be changed by + /// an async thread e.g. to inject a signal. std::string m_continue_packet; - // When was the interrupt packet sent. Used to make sure we time out if the - // stub does not - // respond to interrupt requests. + + /// When was the interrupt packet sent. Used to make sure we time out if the + /// stub does not respond to interrupt requests. std::chrono::time_point<std::chrono::steady_clock> m_interrupt_time; + + /// Number of threads interested in sending. uint32_t m_async_count; + + /// Whether the continue thread has control. bool m_is_running; - bool m_should_stop; // Whether we should resume after a stop. - // end of continue thread synchronization block - // This handles the synchronization between individual async threads. For now - // they just use a - // simple mutex. + /// Whether we should resume after a stop. + bool m_should_stop; + /// @} + + /// This handles the synchronization between individual async threads. For + /// now they just use a simple mutex. std::recursive_mutex m_async_mutex; bool ShouldStop(const UnixSignals &signals, diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp index 11052eff948f9..144ae103faa4b 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunication.cpp @@ -14,6 +14,7 @@ #include <sys/stat.h> #include "lldb/Core/StreamFile.h" +#include "lldb/Host/Config.h" #include "lldb/Host/ConnectionFileDescriptor.h" #include "lldb/Host/FileSystem.h" #include "lldb/Host/Host.h" @@ -38,6 +39,8 @@ #if defined(__APPLE__) #define DEBUGSERVER_BASENAME "debugserver" +#elif defined(_WIN32) +#define DEBUGSERVER_BASENAME "lldb-server.exe" #else #define DEBUGSERVER_BASENAME "lldb-server" #endif @@ -99,10 +102,8 @@ size_t GDBRemoteCommunication::SendAck() { ConnectionStatus status = eConnectionStatusSuccess; char ch = '+'; const size_t bytes_written = Write(&ch, 1, status, nullptr); - if (log) - log->Printf("<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch); - m_history.AddPacket(ch, GDBRemoteCommunicationHistory::ePacketTypeSend, - bytes_written); + LLDB_LOGF(log, "<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch); + m_history.AddPacket(ch, GDBRemotePacket::ePacketTypeSend, bytes_written); return bytes_written; } @@ -111,10 +112,8 @@ size_t GDBRemoteCommunication::SendNack() { ConnectionStatus status = eConnectionStatusSuccess; char ch = '-'; const size_t bytes_written = Write(&ch, 1, status, nullptr); - if (log) - log->Printf("<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch); - m_history.AddPacket(ch, GDBRemoteCommunicationHistory::ePacketTypeSend, - bytes_written); + LLDB_LOGF(log, "<%4" PRIu64 "> send packet: %c", (uint64_t)bytes_written, ch); + m_history.AddPacket(ch, GDBRemotePacket::ePacketTypeSend, bytes_written); return bytes_written; } @@ -172,13 +171,12 @@ GDBRemoteCommunication::SendRawPacketNoLock(llvm::StringRef packet, strm.Printf("%*s", (int)3, p); log->PutString(strm.GetString()); } else - log->Printf("<%4" PRIu64 "> send packet: %.*s", (uint64_t)bytes_written, - (int)packet_length, packet_data); + LLDB_LOGF(log, "<%4" PRIu64 "> send packet: %.*s", + (uint64_t)bytes_written, (int)packet_length, packet_data); } m_history.AddPacket(packet.str(), packet_length, - GDBRemoteCommunicationHistory::ePacketTypeSend, - bytes_written); + GDBRemotePacket::ePacketTypeSend, bytes_written); if (bytes_written == packet_length) { if (!skip_ack && GetSendAcks()) @@ -186,9 +184,8 @@ GDBRemoteCommunication::SendRawPacketNoLock(llvm::StringRef packet, else return PacketResult::Success; } else { - if (log) - log->Printf("error: failed to send packet: %.*s", (int)packet_length, - packet_data); + LLDB_LOGF(log, "error: failed to send packet: %.*s", (int)packet_length, + packet_data); } } return PacketResult::ErrorSendFailed; @@ -332,11 +329,12 @@ GDBRemoteCommunication::WaitForPacketNoLock(StringExtractorGDBRemote &packet, std::string regex_str = "^"; regex_str += echo_packet; regex_str += "$"; - response_regex.Compile(regex_str); + response_regex = RegularExpression(regex_str); } else { echo_packet_len = ::snprintf(echo_packet, sizeof(echo_packet), "qC"); - response_regex.Compile(llvm::StringRef("^QC[0-9A-Fa-f]+$")); + response_regex = + RegularExpression(llvm::StringRef("^QC[0-9A-Fa-f]+$")); } PacketResult echo_packet_result = @@ -489,11 +487,10 @@ bool GDBRemoteCommunication::DecompressPacket() { llvm::StringRef(m_bytes).substr(1, hash_mark_idx - 1)); bool success = packet_checksum == actual_checksum; if (!success) { - if (log) - log->Printf( - "error: checksum mismatch: %.*s expected 0x%2.2x, got 0x%2.2x", - (int)(pkt_size), m_bytes.c_str(), (uint8_t)packet_checksum, - (uint8_t)actual_checksum); + LLDB_LOGF(log, + "error: checksum mismatch: %.*s expected 0x%2.2x, got 0x%2.2x", + (int)(pkt_size), m_bytes.c_str(), (uint8_t)packet_checksum, + (uint8_t)actual_checksum); } // Send the ack or nack if needed if (!success) { @@ -651,8 +648,8 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len, if (src && src_len > 0) { if (log && log->GetVerbose()) { StreamString s; - log->Printf("GDBRemoteCommunication::%s adding %u bytes: %.*s", - __FUNCTION__, (uint32_t)src_len, (uint32_t)src_len, src); + LLDB_LOGF(log, "GDBRemoteCommunication::%s adding %u bytes: %.*s", + __FUNCTION__, (uint32_t)src_len, (uint32_t)src_len, src); } m_bytes.append((const char *)src, src_len); } @@ -733,9 +730,8 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len, break; } } - if (log) - log->Printf("GDBRemoteCommunication::%s tossing %u junk bytes: '%.*s'", - __FUNCTION__, idx - 1, idx - 1, m_bytes.c_str()); + LLDB_LOGF(log, "GDBRemoteCommunication::%s tossing %u junk bytes: '%.*s'", + __FUNCTION__, idx - 1, idx - 1, m_bytes.c_str()); m_bytes.erase(0, idx - 1); } break; } @@ -752,7 +748,6 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len, size_t content_end = content_start + content_length; bool success = true; - std::string &packet_str = packet.GetStringRef(); if (log) { // If logging was just enabled and we have history, then dump out what // we have to the log so we get the historical context. The Dump() call @@ -800,25 +795,23 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len, log->PutString(strm.GetString()); } else { if (CompressionIsEnabled()) - log->Printf("<%4" PRIu64 ":%" PRIu64 "> read packet: %.*s", - (uint64_t)original_packet_size, (uint64_t)total_length, - (int)(total_length), m_bytes.c_str()); + LLDB_LOGF(log, "<%4" PRIu64 ":%" PRIu64 "> read packet: %.*s", + (uint64_t)original_packet_size, (uint64_t)total_length, + (int)(total_length), m_bytes.c_str()); else - log->Printf("<%4" PRIu64 "> read packet: %.*s", - (uint64_t)total_length, (int)(total_length), - m_bytes.c_str()); + LLDB_LOGF(log, "<%4" PRIu64 "> read packet: %.*s", + (uint64_t)total_length, (int)(total_length), + m_bytes.c_str()); } } m_history.AddPacket(m_bytes, total_length, - GDBRemoteCommunicationHistory::ePacketTypeRecv, - total_length); + GDBRemotePacket::ePacketTypeRecv, total_length); - // Clear packet_str in case there is some existing data in it. - packet_str.clear(); // Copy the packet from m_bytes to packet_str expanding the run-length // encoding in the process. Reserve enough byte for the most common case // (no RLE used) + std ::string packet_str; packet_str.reserve(m_bytes.length()); for (std::string::const_iterator c = m_bytes.begin() + content_start; c != m_bytes.begin() + content_end; ++c) { @@ -841,6 +834,7 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len, packet_str.push_back(*c); } } + packet = StringExtractorGDBRemote(packet_str); if (m_bytes[0] == '$' || m_bytes[0] == '%') { assert(checksum_idx < m_bytes.size()); @@ -853,11 +847,11 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len, llvm::StringRef(m_bytes).slice(content_start, content_end)); success = packet_checksum == actual_checksum; if (!success) { - if (log) - log->Printf("error: checksum mismatch: %.*s expected 0x%2.2x, " - "got 0x%2.2x", - (int)(total_length), m_bytes.c_str(), - (uint8_t)packet_checksum, (uint8_t)actual_checksum); + LLDB_LOGF(log, + "error: checksum mismatch: %.*s expected 0x%2.2x, " + "got 0x%2.2x", + (int)(total_length), m_bytes.c_str(), + (uint8_t)packet_checksum, (uint8_t)actual_checksum); } // Send the ack or nack if needed if (!success) @@ -867,9 +861,8 @@ GDBRemoteCommunication::CheckForPacket(const uint8_t *src, size_t src_len, } } else { success = false; - if (log) - log->Printf("error: invalid checksum in packet: '%s'\n", - m_bytes.c_str()); + LLDB_LOGF(log, "error: invalid checksum in packet: '%s'\n", + m_bytes.c_str()); } } @@ -933,10 +926,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess( const char *url, Platform *platform, ProcessLaunchInfo &launch_info, uint16_t *port, const Args *inferior_args, int pass_comm_fd) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("GDBRemoteCommunication::%s(url=%s, port=%" PRIu16 ")", - __FUNCTION__, url ? url : "<empty>", - port ? *port : uint16_t(0)); + LLDB_LOGF(log, "GDBRemoteCommunication::%s(url=%s, port=%" PRIu16 ")", + __FUNCTION__, url ? url : "<empty>", port ? *port : uint16_t(0)); Status error; // If we locate debugserver, keep that located version around @@ -953,10 +944,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess( if (!env_debugserver_path.empty()) { debugserver_file_spec.SetFile(env_debugserver_path, FileSpec::Style::native); - if (log) - log->Printf("GDBRemoteCommunication::%s() gdb-remote stub exe path set " - "from environment variable: %s", - __FUNCTION__, env_debugserver_path.c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() gdb-remote stub exe path set " + "from environment variable: %s", + __FUNCTION__, env_debugserver_path.c_str()); } else debugserver_file_spec = g_debugserver_file_spec; bool debugserver_exists = @@ -968,10 +959,9 @@ Status GDBRemoteCommunication::StartDebugserverProcess( debugserver_file_spec.AppendPathComponent(DEBUGSERVER_BASENAME); debugserver_exists = FileSystem::Instance().Exists(debugserver_file_spec); if (debugserver_exists) { - if (log) - log->Printf( - "GDBRemoteCommunication::%s() found gdb-remote stub exe '%s'", - __FUNCTION__, debugserver_file_spec.GetPath().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() found gdb-remote stub exe '%s'", + __FUNCTION__, debugserver_file_spec.GetPath().c_str()); g_debugserver_file_spec = debugserver_file_spec; } else { @@ -985,10 +975,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess( // exist debugserver_exists = true; } else { - if (log) - log->Printf("GDBRemoteCommunication::%s() could not find " - "gdb-remote stub exe '%s'", - __FUNCTION__, debugserver_file_spec.GetPath().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() could not find " + "gdb-remote stub exe '%s'", + __FUNCTION__, debugserver_file_spec.GetPath().c_str()); } // Don't cache the platform specific GDB server binary as it could // change from platform to platform @@ -1052,10 +1042,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess( error = socket_pipe.CreateWithUniqueName("debugserver-named-pipe", false, named_pipe_path); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunication::%s() " - "named pipe creation failed: %s", - __FUNCTION__, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() " + "named pipe creation failed: %s", + __FUNCTION__, error.AsCString()); return error; } debugserver_args.AppendArgument(llvm::StringRef("--named-pipe")); @@ -1065,10 +1055,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess( // using using an unnamed pipe... error = socket_pipe.CreateNew(true); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunication::%s() " - "unnamed pipe creation failed: %s", - __FUNCTION__, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() " + "unnamed pipe creation failed: %s", + __FUNCTION__, error.AsCString()); return error; } pipe_t write = socket_pipe.GetWritePipe(); @@ -1081,10 +1071,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess( // debugserver connect to us.. error = StartListenThread("127.0.0.1", 0); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunication::%s() unable to start listen " - "thread: %s", - __FUNCTION__, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() unable to start listen " + "thread: %s", + __FUNCTION__, error.AsCString()); return error; } @@ -1104,9 +1094,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess( *port = port_; } else { error.SetErrorString("failed to bind to port 0 on 127.0.0.1"); - if (log) - log->Printf("GDBRemoteCommunication::%s() failed: %s", __FUNCTION__, - error.AsCString()); + LLDB_LOGF(log, "GDBRemoteCommunication::%s() failed: %s", + __FUNCTION__, error.AsCString()); return error; } } @@ -1148,10 +1137,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess( if (has_env_var) { debugserver_args.AppendArgument(llvm::StringRef(extra_arg)); - if (log) - log->Printf("GDBRemoteCommunication::%s adding env var %s contents " - "to stub command line (%s)", - __FUNCTION__, env_var_name, extra_arg.c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s adding env var %s contents " + "to stub command line (%s)", + __FUNCTION__, env_var_name, extra_arg.c_str()); } } while (has_env_var); @@ -1177,8 +1166,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess( StreamString string_stream; Platform *const platform = nullptr; launch_info.Dump(string_stream, platform); - log->Printf("launch info for gdb-remote stub:\n%s", - string_stream.GetData()); + LLDB_LOGF(log, "launch info for gdb-remote stub:\n%s", + string_stream.GetData()); } error = Host::LaunchProcess(launch_info); @@ -1188,11 +1177,10 @@ Status GDBRemoteCommunication::StartDebugserverProcess( if (named_pipe_path.size() > 0) { error = socket_pipe.OpenAsReader(named_pipe_path, false); if (error.Fail()) - if (log) - log->Printf("GDBRemoteCommunication::%s() " - "failed to open named pipe %s for reading: %s", - __FUNCTION__, named_pipe_path.c_str(), - error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() " + "failed to open named pipe %s for reading: %s", + __FUNCTION__, named_pipe_path.c_str(), error.AsCString()); } if (socket_pipe.CanWrite()) @@ -1209,24 +1197,22 @@ Status GDBRemoteCommunication::StartDebugserverProcess( uint16_t child_port = StringConvert::ToUInt32(port_cstr, 0); if (*port == 0 || *port == child_port) { *port = child_port; - if (log) - log->Printf("GDBRemoteCommunication::%s() " - "debugserver listens %u port", - __FUNCTION__, *port); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() " + "debugserver listens %u port", + __FUNCTION__, *port); } else { - if (log) - log->Printf("GDBRemoteCommunication::%s() " - "debugserver listening on port " - "%d but requested port was %d", - __FUNCTION__, (uint32_t)child_port, - (uint32_t)(*port)); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() " + "debugserver listening on port " + "%d but requested port was %d", + __FUNCTION__, (uint32_t)child_port, (uint32_t)(*port)); } } else { - if (log) - log->Printf("GDBRemoteCommunication::%s() " - "failed to read a port value from pipe %s: %s", - __FUNCTION__, named_pipe_path.c_str(), - error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s() " + "failed to read a port value from pipe %s: %s", + __FUNCTION__, named_pipe_path.c_str(), error.AsCString()); } socket_pipe.Close(); } @@ -1234,10 +1220,9 @@ Status GDBRemoteCommunication::StartDebugserverProcess( if (named_pipe_path.size() > 0) { const auto err = socket_pipe.Delete(named_pipe_path); if (err.Fail()) { - if (log) - log->Printf( - "GDBRemoteCommunication::%s failed to delete pipe %s: %s", - __FUNCTION__, named_pipe_path.c_str(), err.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunication::%s failed to delete pipe %s: %s", + __FUNCTION__, named_pipe_path.c_str(), err.AsCString()); } } @@ -1249,9 +1234,8 @@ Status GDBRemoteCommunication::StartDebugserverProcess( } if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunication::%s() failed: %s", __FUNCTION__, - error.AsCString()); + LLDB_LOGF(log, "GDBRemoteCommunication::%s() failed: %s", __FUNCTION__, + error.AsCString()); } return error; @@ -1351,7 +1335,7 @@ void GDBRemoteCommunication::AppendBytesToCache(const uint8_t *bytes, if (type == PacketType::Notify) { // put this packet into an event - const char *pdata = packet.GetStringRef().c_str(); + const char *pdata = packet.GetStringRef().data(); // as the communication class, we are a broadcaster and the async thread // is tuned to listen to us diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp index 9797184026e06..feb9f0589ceed 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.cpp @@ -23,7 +23,6 @@ #include "lldb/Target/UnixSignals.h" #include "lldb/Utility/Args.h" #include "lldb/Utility/DataBufferHeap.h" -#include "lldb/Utility/JSON.h" #include "lldb/Utility/LLDBAssert.h" #include "lldb/Utility/Log.h" #include "lldb/Utility/State.h" @@ -35,17 +34,15 @@ #include "lldb/Utility/StringExtractorGDBRemote.h" #include "llvm/ADT/StringSwitch.h" +#include "llvm/Support/JSON.h" -#if defined(__APPLE__) -#ifndef HAVE_LIBCOMPRESSION -#define HAVE_LIBCOMPRESSION -#endif +#if defined(HAVE_LIBCOMPRESSION) #include <compression.h> #endif using namespace lldb; -using namespace lldb_private; using namespace lldb_private::process_gdb_remote; +using namespace lldb_private; using namespace std::chrono; // GDBRemoteCommunicationClient constructor @@ -342,7 +339,7 @@ void GDBRemoteCommunicationClient::GetRemoteQSupported() { // not, we assume no limit // build the qSupported packet - std::vector<std::string> features = {"xmlRegisters=i386,arm,mips"}; + std::vector<std::string> features = {"xmlRegisters=i386,arm,mips,arc"}; StreamString packet; packet.PutCString("qSupported"); for (uint32_t i = 0; i < features.size(); ++i) { @@ -354,7 +351,7 @@ void GDBRemoteCommunicationClient::GetRemoteQSupported() { if (SendPacketAndWaitForResponse(packet.GetString(), response, /*send_async=*/false) == PacketResult::Success) { - const char *response_cstr = response.GetStringRef().c_str(); + const char *response_cstr = response.GetStringRef().data(); // Hang on to the qSupported packet, so that platforms can do custom // configuration of the transport before attaching/launching the process. @@ -439,8 +436,7 @@ void GDBRemoteCommunicationClient::GetRemoteQSupported() { m_max_packet_size = UINT64_MAX; // Must have been a garbled response Log *log( ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("Garbled PacketSize spec in qSupported response"); + LLDB_LOGF(log, "Garbled PacketSize spec in qSupported response"); } } } @@ -469,7 +465,7 @@ bool GDBRemoteCommunicationClient::GetVContSupported(char flavor) { m_supports_vCont_S = eLazyBoolNo; if (SendPacketAndWaitForResponse("vCont?", response, false) == PacketResult::Success) { - const char *response_cstr = response.GetStringRef().c_str(); + const char *response_cstr = response.GetStringRef().data(); if (::strstr(response_cstr, ";c")) m_supports_vCont_c = eLazyBoolYes; @@ -525,9 +521,10 @@ GDBRemoteCommunicationClient::SendThreadSpecificPacketAndWaitForResponse( if (!lock) { if (Log *log = ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet( GDBR_LOG_PROCESS | GDBR_LOG_PACKETS)) - log->Printf("GDBRemoteCommunicationClient::%s: Didn't get sequence mutex " - "for %s packet.", - __FUNCTION__, payload.GetData()); + LLDB_LOGF(log, + "GDBRemoteCommunicationClient::%s: Didn't get sequence mutex " + "for %s packet.", + __FUNCTION__, payload.GetData()); return PacketResult::ErrorNoSequenceLock; } @@ -660,10 +657,10 @@ GDBRemoteCommunicationClient::SendPacketsAndConcatenateResponses( if (!lock) { Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_PROCESS | GDBR_LOG_PACKETS)); - if (log) - log->Printf("error: failed to get packet sequence mutex, not sending " - "packets with prefix '%s'", - payload_prefix); + LLDB_LOGF(log, + "error: failed to get packet sequence mutex, not sending " + "packets with prefix '%s'", + payload_prefix); return PacketResult::ErrorNoSequenceLock; } @@ -934,6 +931,11 @@ llvm::VersionTuple GDBRemoteCommunicationClient::GetOSVersion() { return m_os_version; } +llvm::VersionTuple GDBRemoteCommunicationClient::GetMacCatalystVersion() { + GetHostInfo(); + return m_maccatalyst_version; +} + bool GDBRemoteCommunicationClient::GetOSBuildString(std::string &s) { if (GetHostInfo()) { if (!m_os_build.empty()) { @@ -1136,6 +1138,7 @@ bool GDBRemoteCommunicationClient::GetHostInfo(bool force) { uint32_t sub = 0; std::string arch_name; std::string os_name; + std::string environment; std::string vendor_name; std::string triple; std::string distribution_id; @@ -1175,7 +1178,11 @@ bool GDBRemoteCommunicationClient::GetHostInfo(bool force) { extractor.GetHexByteString(m_os_kernel); ++num_keys_decoded; } else if (name.equals("ostype")) { - os_name = value; + if (value.equals("maccatalyst")) { + os_name = "ios"; + environment = "macabi"; + } else + os_name = value; ++num_keys_decoded; } else if (name.equals("vendor")) { vendor_name = value; @@ -1199,6 +1206,9 @@ bool GDBRemoteCommunicationClient::GetHostInfo(bool force) { { if (!m_os_version.tryParse(value)) ++num_keys_decoded; + } else if (name.equals("maccatalyst_version")) { + if (!m_maccatalyst_version.tryParse(value)) + ++num_keys_decoded; } else if (name.equals("watchpoint_exceptions_received")) { m_watchpoints_trigger_after_instruction = llvm::StringSwitch<LazyBool>(value) @@ -1236,6 +1246,8 @@ bool GDBRemoteCommunicationClient::GetHostInfo(bool force) { llvm::StringRef(vendor_name)); if (!os_name.empty()) m_host_arch.GetTriple().setOSName(llvm::StringRef(os_name)); + if (!environment.empty()) + m_host_arch.GetTriple().setEnvironmentName(environment); } } else { std::string triple; @@ -1259,6 +1271,7 @@ bool GDBRemoteCommunicationClient::GetHostInfo(bool force) { host_triple.getOS() == llvm::Triple::Darwin) { switch (m_host_arch.GetMachine()) { case llvm::Triple::aarch64: + case llvm::Triple::aarch64_32: case llvm::Triple::arm: case llvm::Triple::thumb: host_triple.setOS(llvm::Triple::IOS); @@ -1284,14 +1297,15 @@ bool GDBRemoteCommunicationClient::GetHostInfo(bool force) { assert(byte_order == m_host_arch.GetByteOrder()); } - if (log) - log->Printf("GDBRemoteCommunicationClient::%s parsed host " - "architecture as %s, triple as %s from triple text %s", - __FUNCTION__, m_host_arch.GetArchitectureName() - ? m_host_arch.GetArchitectureName() - : "<null-arch-name>", - m_host_arch.GetTriple().getTriple().c_str(), - triple.c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunicationClient::%s parsed host " + "architecture as %s, triple as %s from triple text %s", + __FUNCTION__, + m_host_arch.GetArchitectureName() + ? m_host_arch.GetArchitectureName() + : "<null-arch-name>", + m_host_arch.GetTriple().getTriple().c_str(), + triple.c_str()); } if (!distribution_id.empty()) m_host_arch.SetDistributionId(distribution_id.c_str()); @@ -1893,7 +1907,7 @@ bool GDBRemoteCommunicationClient::DecodeProcessInfoResponse( } else if (name.equals("euid")) { uint32_t uid = UINT32_MAX; value.getAsInteger(0, uid); - process_info.SetEffectiveGroupID(uid); + process_info.SetEffectiveUserID(uid); } else if (name.equals("gid")) { uint32_t gid = UINT32_MAX; value.getAsInteger(0, gid); @@ -1914,6 +1928,26 @@ bool GDBRemoteCommunicationClient::DecodeProcessInfoResponse( std::string name; extractor.GetHexByteString(name); process_info.GetExecutableFile().SetFile(name, FileSpec::Style::native); + } else if (name.equals("args")) { + llvm::StringRef encoded_args(value), hex_arg; + + bool is_arg0 = true; + while (!encoded_args.empty()) { + std::tie(hex_arg, encoded_args) = encoded_args.split('-'); + std::string arg; + StringExtractor extractor(hex_arg); + if (extractor.GetHexByteString(arg) * 2 != hex_arg.size()) { + // In case of wrong encoding, we discard all the arguments + process_info.GetArguments().Clear(); + process_info.SetArg0(""); + break; + } + if (is_arg0) + process_info.SetArg0(arg); + else + process_info.GetArguments().AppendArgument(arg); + is_arg0 = false; + } } else if (name.equals("cputype")) { value.getAsInteger(0, cpu); } else if (name.equals("cpusubtype")) { @@ -1987,6 +2021,7 @@ bool GDBRemoteCommunicationClient::GetCurrentProcessInfo(bool allow_lazy) { uint32_t sub = 0; std::string arch_name; std::string os_name; + std::string environment; std::string vendor_name; std::string triple; std::string elf_abi; @@ -2007,7 +2042,11 @@ bool GDBRemoteCommunicationClient::GetCurrentProcessInfo(bool allow_lazy) { extractor.GetHexByteString(triple); ++num_keys_decoded; } else if (name.equals("ostype")) { - os_name = value; + if (value.equals("maccatalyst")) { + os_name = "ios"; + environment = "macabi"; + } else + os_name = value; ++num_keys_decoded; } else if (name.equals("vendor")) { vendor_name = value; @@ -2048,6 +2087,8 @@ bool GDBRemoteCommunicationClient::GetCurrentProcessInfo(bool allow_lazy) { } else if (cpu != LLDB_INVALID_CPUTYPE && !os_name.empty() && !vendor_name.empty()) { llvm::Triple triple(llvm::Twine("-") + vendor_name + "-" + os_name); + if (!environment.empty()) + triple.setEnvironmentName(environment); assert(triple.getObjectFormat() != llvm::Triple::UnknownObjectFormat); assert(triple.getObjectFormat() != llvm::Triple::Wasm); @@ -2064,12 +2105,10 @@ bool GDBRemoteCommunicationClient::GetCurrentProcessInfo(bool allow_lazy) { break; case llvm::Triple::Wasm: case llvm::Triple::XCOFF: - if (log) - log->Printf("error: not supported target architecture"); + LLDB_LOGF(log, "error: not supported target architecture"); return false; case llvm::Triple::UnknownObjectFormat: - if (log) - log->Printf("error: failed to determine target architecture"); + LLDB_LOGF(log, "error: failed to determine target architecture"); return false; } @@ -2081,8 +2120,10 @@ bool GDBRemoteCommunicationClient::GetCurrentProcessInfo(bool allow_lazy) { } m_process_arch.GetTriple().setVendorName(llvm::StringRef(vendor_name)); m_process_arch.GetTriple().setOSName(llvm::StringRef(os_name)); + m_process_arch.GetTriple().setEnvironmentName(llvm::StringRef(environment)); m_host_arch.GetTriple().setVendorName(llvm::StringRef(vendor_name)); m_host_arch.GetTriple().setOSName(llvm::StringRef(os_name)); + m_host_arch.GetTriple().setEnvironmentName(llvm::StringRef(environment)); } return true; } @@ -2156,8 +2197,7 @@ uint32_t GDBRemoteCommunicationClient::FindProcesses( if (match_info.GetProcessInfo().EffectiveGroupIDIsValid()) packet.Printf("egid:%u;", match_info.GetProcessInfo().GetEffectiveGroupID()); - if (match_info.GetProcessInfo().EffectiveGroupIDIsValid()) - packet.Printf("all_users:%u;", match_info.GetMatchAllUsers() ? 1 : 0); + packet.Printf("all_users:%u;", match_info.GetMatchAllUsers() ? 1 : 0); if (match_info.GetProcessInfo().GetArchitecture().IsValid()) { const ArchSpec &match_arch = match_info.GetProcessInfo().GetArchitecture(); @@ -2178,8 +2218,7 @@ uint32_t GDBRemoteCommunicationClient::FindProcesses( if (!DecodeProcessInfoResponse(response, process_info)) break; process_infos.Append(process_info); - response.GetStringRef().clear(); - response.SetFilePos(0); + response = StringExtractorGDBRemote(); } while (SendPacketAndWaitForResponse("qsProcessInfo", response, false) == PacketResult::Success); } else { @@ -2641,9 +2680,8 @@ bool GDBRemoteCommunicationClient::GetThreadStopInfo( uint8_t GDBRemoteCommunicationClient::SendGDBStoppointTypePacket( GDBStoppointType type, bool insert, addr_t addr, uint32_t length) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_BREAKPOINTS)); - if (log) - log->Printf("GDBRemoteCommunicationClient::%s() %s at addr = 0x%" PRIx64, - __FUNCTION__, insert ? "add" : "remove", addr); + LLDB_LOGF(log, "GDBRemoteCommunicationClient::%s() %s at addr = 0x%" PRIx64, + __FUNCTION__, insert ? "add" : "remove", addr); // Check if the stub is known not to support this breakpoint type if (!SupportsGDBStoppointPacket(type)) @@ -2745,9 +2783,8 @@ size_t GDBRemoteCommunicationClient::GetCurrentThreadIDs( #if !defined(LLDB_CONFIGURATION_DEBUG) Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_PROCESS | GDBR_LOG_PACKETS)); - if (log) - log->Printf("error: failed to get packet sequence mutex, not sending " - "packet 'qfThreadInfo'"); + LLDB_LOGF(log, "error: failed to get packet sequence mutex, not sending " + "packet 'qfThreadInfo'"); #endif sequence_mutex_unavailable = true; } @@ -2879,7 +2916,7 @@ static uint64_t ParseHostIOPacketResponse(StringExtractorGDBRemote &response, } lldb::user_id_t GDBRemoteCommunicationClient::OpenFile(const lldb_private::FileSpec &file_spec, - uint32_t flags, mode_t mode, + File::OpenOptions flags, mode_t mode, Status &error) { std::string path(file_spec.GetPath(false)); lldb_private::StreamString stream; @@ -3146,7 +3183,8 @@ bool GDBRemoteCommunicationClient::AvoidGPackets(ProcessGDBRemote *process) { if (arch.IsValid() && arch.GetTriple().getVendor() == llvm::Triple::Apple && arch.GetTriple().getOS() == llvm::Triple::IOS && - arch.GetTriple().getArch() == llvm::Triple::aarch64) { + (arch.GetTriple().getArch() == llvm::Triple::aarch64 || + arch.GetTriple().getArch() == llvm::Triple::aarch64_32)) { m_avoid_g_packets = eLazyBoolYes; uint32_t gdb_server_version = GetGDBServerProgramVersion(); if (gdb_server_version != 0) { @@ -3592,21 +3630,21 @@ ParseModuleSpec(StructuredData::Dictionary *dict) { llvm::Optional<std::vector<ModuleSpec>> GDBRemoteCommunicationClient::GetModulesInfo( llvm::ArrayRef<FileSpec> module_file_specs, const llvm::Triple &triple) { + namespace json = llvm::json; + if (!m_supports_jModulesInfo) return llvm::None; - JSONArray::SP module_array_sp = std::make_shared<JSONArray>(); + json::Array module_array; for (const FileSpec &module_file_spec : module_file_specs) { - JSONObject::SP module_sp = std::make_shared<JSONObject>(); - module_array_sp->AppendObject(module_sp); - module_sp->SetObject( - "file", std::make_shared<JSONString>(module_file_spec.GetPath(false))); - module_sp->SetObject("triple", - std::make_shared<JSONString>(triple.getTriple())); + module_array.push_back( + json::Object{{"file", module_file_spec.GetPath(false)}, + {"triple", triple.getTriple()}}); } StreamString unescaped_payload; unescaped_payload.PutCString("jModulesInfo:"); - module_array_sp->Write(unescaped_payload); + unescaped_payload.AsRawOstream() << std::move(module_array); + StreamGDBRemote payload; payload.PutEscapedBytes(unescaped_payload.GetString().data(), unescaped_payload.GetSize()); @@ -3796,8 +3834,9 @@ void GDBRemoteCommunicationClient::ServeSymbolLookups( addr_t symbol_load_addr = LLDB_INVALID_ADDRESS; lldb_private::SymbolContextList sc_list; - if (process->GetTarget().GetImages().FindSymbolsWithNameAndType( - ConstString(symbol_name), eSymbolTypeAny, sc_list)) { + process->GetTarget().GetImages().FindSymbolsWithNameAndType( + ConstString(symbol_name), eSymbolTypeAny, sc_list); + if (!sc_list.IsEmpty()) { const size_t num_scs = sc_list.GetSize(); for (size_t sc_idx = 0; sc_idx < num_scs && @@ -3873,9 +3912,9 @@ void GDBRemoteCommunicationClient::ServeSymbolLookups( } else if (Log *log = ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet( GDBR_LOG_PROCESS | GDBR_LOG_PACKETS)) { - log->Printf( - "GDBRemoteCommunicationClient::%s: Didn't get sequence mutex.", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationClient::%s: Didn't get sequence mutex.", + __FUNCTION__); } } } @@ -3899,26 +3938,27 @@ GDBRemoteCommunicationClient::GetSupportedStructuredDataPlugins() { !m_supported_async_json_packets_sp->GetAsArray()) { // We were returned something other than a JSON array. This is // invalid. Clear it out. - if (log) - log->Printf("GDBRemoteCommunicationClient::%s(): " - "QSupportedAsyncJSONPackets returned invalid " - "result: %s", - __FUNCTION__, response.GetStringRef().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunicationClient::%s(): " + "QSupportedAsyncJSONPackets returned invalid " + "result: %s", + __FUNCTION__, response.GetStringRef().data()); m_supported_async_json_packets_sp.reset(); } } else { - if (log) - log->Printf("GDBRemoteCommunicationClient::%s(): " - "QSupportedAsyncJSONPackets unsupported", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationClient::%s(): " + "QSupportedAsyncJSONPackets unsupported", + __FUNCTION__); } if (log && m_supported_async_json_packets_sp) { StreamString stream; m_supported_async_json_packets_sp->Dump(stream); - log->Printf("GDBRemoteCommunicationClient::%s(): supported async " - "JSON packets: %s", - __FUNCTION__, stream.GetData()); + LLDB_LOGF(log, + "GDBRemoteCommunicationClient::%s(): supported async " + "JSON packets: %s", + __FUNCTION__, stream.GetData()); } } @@ -3980,14 +4020,14 @@ Status GDBRemoteCommunicationClient::ConfigureRemoteStructuredData( SendPacketAndWaitForResponse(stream.GetString(), response, send_async); if (result == PacketResult::Success) { // We failed if the config result comes back other than OK. - if (strcmp(response.GetStringRef().c_str(), "OK") == 0) { + if (strcmp(response.GetStringRef().data(), "OK") == 0) { // Okay! error.Clear(); } else { error.SetErrorStringWithFormat("configuring StructuredData feature " "%s failed with error %s", type_name.AsCString(), - response.GetStringRef().c_str()); + response.GetStringRef().data()); } } else { // Can we get more data here on the failure? diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h index de85c9f8b67b3..574cd0fd70c57 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationClient.h @@ -17,8 +17,9 @@ #include <string> #include <vector> +#include "lldb/Host/File.h" #include "lldb/Utility/ArchSpec.h" -#include "lldb/Utility/StreamGDBRemote.h" +#include "lldb/Utility/GDBRemote.h" #include "lldb/Utility/StructuredData.h" #if defined(_WIN32) #include "lldb/Host/windows/PosixApi.h" @@ -248,6 +249,8 @@ public: llvm::VersionTuple GetOSVersion(); + llvm::VersionTuple GetMacCatalystVersion(); + bool GetOSBuildString(std::string &s); bool GetOSKernelDescription(std::string &s); @@ -348,7 +351,7 @@ public: size_t GetCurrentThreadIDs(std::vector<lldb::tid_t> &thread_ids, bool &sequence_mutex_unavailable); - lldb::user_id_t OpenFile(const FileSpec &file_spec, uint32_t flags, + lldb::user_id_t OpenFile(const FileSpec &file_spec, File::OpenOptions flags, mode_t mode, Status &error); bool CloseFile(lldb::user_id_t fd, Status &error); @@ -548,6 +551,7 @@ protected: ArchSpec m_host_arch; ArchSpec m_process_arch; llvm::VersionTuple m_os_version; + llvm::VersionTuple m_maccatalyst_version; std::string m_os_build; std::string m_os_kernel; std::string m_hostname; diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.cpp index bcddb4faf8634..d2cc32f63f20a 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.cpp @@ -18,12 +18,6 @@ using namespace lldb; using namespace lldb_private; using namespace lldb_private::process_gdb_remote; -void GDBRemoteCommunicationHistory::Entry::Serialize(raw_ostream &strm) const { - yaml::Output yout(strm); - yout << const_cast<GDBRemoteCommunicationHistory::Entry &>(*this); - strm.flush(); -} - GDBRemoteCommunicationHistory::GDBRemoteCommunicationHistory(uint32_t size) : m_packets(), m_curr_idx(0), m_total_packet_count(0), m_dumped_to_log(false) { @@ -33,7 +27,8 @@ GDBRemoteCommunicationHistory::GDBRemoteCommunicationHistory(uint32_t size) GDBRemoteCommunicationHistory::~GDBRemoteCommunicationHistory() {} -void GDBRemoteCommunicationHistory::AddPacket(char packet_char, PacketType type, +void GDBRemoteCommunicationHistory::AddPacket(char packet_char, + GDBRemotePacket::Type type, uint32_t bytes_transmitted) { const size_t size = m_packets.size(); if (size == 0) @@ -50,7 +45,8 @@ void GDBRemoteCommunicationHistory::AddPacket(char packet_char, PacketType type, } void GDBRemoteCommunicationHistory::AddPacket(const std::string &src, - uint32_t src_len, PacketType type, + uint32_t src_len, + GDBRemotePacket::Type type, uint32_t bytes_transmitted) { const size_t size = m_packets.size(); if (size == 0) @@ -72,13 +68,12 @@ void GDBRemoteCommunicationHistory::Dump(Stream &strm) const { const uint32_t stop_idx = m_curr_idx + size; for (uint32_t i = first_idx; i < stop_idx; ++i) { const uint32_t idx = NormalizeIndex(i); - const Entry &entry = m_packets[idx]; - if (entry.type == ePacketTypeInvalid || entry.packet.data.empty()) + const GDBRemotePacket &entry = m_packets[idx]; + if (entry.type == GDBRemotePacket::ePacketTypeInvalid || + entry.packet.data.empty()) break; - strm.Printf("history[%u] tid=0x%4.4" PRIx64 " <%4u> %s packet: %s\n", - entry.packet_idx, entry.tid, entry.bytes_transmitted, - (entry.type == ePacketTypeSend) ? "send" : "read", - entry.packet.data.c_str()); + strm.Printf("history[%u] ", entry.packet_idx); + entry.Dump(strm); } } @@ -92,51 +87,15 @@ void GDBRemoteCommunicationHistory::Dump(Log *log) const { const uint32_t stop_idx = m_curr_idx + size; for (uint32_t i = first_idx; i < stop_idx; ++i) { const uint32_t idx = NormalizeIndex(i); - const Entry &entry = m_packets[idx]; - if (entry.type == ePacketTypeInvalid || entry.packet.data.empty()) + const GDBRemotePacket &entry = m_packets[idx]; + if (entry.type == GDBRemotePacket::ePacketTypeInvalid || + entry.packet.data.empty()) break; - log->Printf("history[%u] tid=0x%4.4" PRIx64 " <%4u> %s packet: %s", - entry.packet_idx, entry.tid, entry.bytes_transmitted, - (entry.type == ePacketTypeSend) ? "send" : "read", - entry.packet.data.c_str()); + LLDB_LOGF(log, "history[%u] tid=0x%4.4" PRIx64 " <%4u> %s packet: %s", + entry.packet_idx, entry.tid, entry.bytes_transmitted, + (entry.type == GDBRemotePacket::ePacketTypeSend) ? "send" + : "read", + entry.packet.data.c_str()); } } -void yaml::ScalarEnumerationTraits<GDBRemoteCommunicationHistory::PacketType>:: - enumeration(IO &io, GDBRemoteCommunicationHistory::PacketType &value) { - io.enumCase(value, "Invalid", - GDBRemoteCommunicationHistory::ePacketTypeInvalid); - io.enumCase(value, "Send", GDBRemoteCommunicationHistory::ePacketTypeSend); - io.enumCase(value, "Recv", GDBRemoteCommunicationHistory::ePacketTypeRecv); -} - -void yaml::ScalarTraits<GDBRemoteCommunicationHistory::Entry::BinaryData>:: - output(const GDBRemoteCommunicationHistory::Entry::BinaryData &Val, void *, - raw_ostream &Out) { - Out << toHex(Val.data); -} - -StringRef -yaml::ScalarTraits<GDBRemoteCommunicationHistory::Entry::BinaryData>::input( - StringRef Scalar, void *, - GDBRemoteCommunicationHistory::Entry::BinaryData &Val) { - Val.data = fromHex(Scalar); - return {}; -} - -void yaml::MappingTraits<GDBRemoteCommunicationHistory::Entry>::mapping( - IO &io, GDBRemoteCommunicationHistory::Entry &Entry) { - io.mapRequired("packet", Entry.packet); - io.mapRequired("type", Entry.type); - io.mapRequired("bytes", Entry.bytes_transmitted); - io.mapRequired("index", Entry.packet_idx); - io.mapRequired("tid", Entry.tid); -} - -StringRef yaml::MappingTraits<GDBRemoteCommunicationHistory::Entry>::validate( - IO &io, GDBRemoteCommunicationHistory::Entry &Entry) { - if (Entry.bytes_transmitted != Entry.packet.data.size()) - return "BinaryData size doesn't match bytes transmitted"; - - return {}; -} diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.h b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.h index 85f112b506236..c006fbd34a4b9 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.h +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationHistory.h @@ -12,6 +12,7 @@ #include <string> #include <vector> +#include "lldb/Utility/GDBRemote.h" #include "lldb/lldb-public.h" #include "llvm/Support/YAMLTraits.h" #include "llvm/Support/raw_ostream.h" @@ -25,46 +26,17 @@ class GDBRemoteCommunicationHistory { public: friend llvm::yaml::MappingTraits<GDBRemoteCommunicationHistory>; - enum PacketType { ePacketTypeInvalid = 0, ePacketTypeSend, ePacketTypeRecv }; - - /// Entry in the ring buffer containing the packet data, its type, size and - /// index. Entries can be serialized to file. - struct Entry { - Entry() - : packet(), type(ePacketTypeInvalid), bytes_transmitted(0), - packet_idx(0), tid(LLDB_INVALID_THREAD_ID) {} - - void Clear() { - packet.data.clear(); - type = ePacketTypeInvalid; - bytes_transmitted = 0; - packet_idx = 0; - tid = LLDB_INVALID_THREAD_ID; - } - - struct BinaryData { - std::string data; - }; - - void Serialize(llvm::raw_ostream &strm) const; - - BinaryData packet; - PacketType type; - uint32_t bytes_transmitted; - uint32_t packet_idx; - lldb::tid_t tid; - }; - GDBRemoteCommunicationHistory(uint32_t size = 0); ~GDBRemoteCommunicationHistory(); // For single char packets for ack, nack and /x03 - void AddPacket(char packet_char, PacketType type, uint32_t bytes_transmitted); - - void AddPacket(const std::string &src, uint32_t src_len, PacketType type, + void AddPacket(char packet_char, GDBRemotePacket::Type type, uint32_t bytes_transmitted); + void AddPacket(const std::string &src, uint32_t src_len, + GDBRemotePacket::Type type, uint32_t bytes_transmitted); + void Dump(Stream &strm) const; void Dump(Log *log) const; bool DidDumpToLog() const { return m_dumped_to_log; } @@ -97,7 +69,7 @@ private: return m_packets.empty() ? 0 : i % m_packets.size(); } - std::vector<Entry> m_packets; + std::vector<GDBRemotePacket> m_packets; uint32_t m_curr_idx; uint32_t m_total_packet_count; mutable bool m_dumped_to_log; @@ -107,49 +79,4 @@ private: } // namespace process_gdb_remote } // namespace lldb_private -LLVM_YAML_IS_DOCUMENT_LIST_VECTOR( - lldb_private::process_gdb_remote::GDBRemoteCommunicationHistory::Entry) - -namespace llvm { -namespace yaml { - -template <> -struct ScalarEnumerationTraits<lldb_private::process_gdb_remote:: - GDBRemoteCommunicationHistory::PacketType> { - static void enumeration(IO &io, - lldb_private::process_gdb_remote:: - GDBRemoteCommunicationHistory::PacketType &value); -}; - -template <> -struct ScalarTraits<lldb_private::process_gdb_remote:: - GDBRemoteCommunicationHistory::Entry::BinaryData> { - static void output(const lldb_private::process_gdb_remote:: - GDBRemoteCommunicationHistory::Entry::BinaryData &, - void *, raw_ostream &); - - static StringRef - input(StringRef, void *, - lldb_private::process_gdb_remote::GDBRemoteCommunicationHistory::Entry:: - BinaryData &); - - static QuotingType mustQuote(StringRef S) { return QuotingType::None; } -}; - -template <> -struct MappingTraits< - lldb_private::process_gdb_remote::GDBRemoteCommunicationHistory::Entry> { - static void - mapping(IO &io, - lldb_private::process_gdb_remote::GDBRemoteCommunicationHistory::Entry - &Entry); - - static StringRef validate( - IO &io, - lldb_private::process_gdb_remote::GDBRemoteCommunicationHistory::Entry &); -}; - -} // namespace yaml -} // namespace llvm - #endif // liblldb_GDBRemoteCommunicationHistory_h_ diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp index 417f5737a30ff..2d26c550dc76a 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.cpp @@ -9,6 +9,7 @@ #include <errno.h> #include "lldb/Host/Config.h" +#include "llvm/ADT/ScopeExit.h" #include "GDBRemoteCommunicationReplayServer.h" #include "ProcessGDBRemoteLog.h" @@ -127,7 +128,7 @@ GDBRemoteCommunicationReplayServer::GetPacketAndSendResponse( Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); while (!m_packet_history.empty()) { // Pop last packet from the history. - GDBRemoteCommunicationHistory::Entry entry = m_packet_history.back(); + GDBRemotePacket entry = m_packet_history.back(); m_packet_history.pop_back(); // We've handled the handshake implicitly before. Skip the packet and move @@ -135,7 +136,7 @@ GDBRemoteCommunicationReplayServer::GetPacketAndSendResponse( if (entry.packet.data == "+") continue; - if (entry.type == GDBRemoteCommunicationHistory::ePacketTypeSend) { + if (entry.type == GDBRemotePacket::ePacketTypeSend) { if (unexpected(entry.packet.data, packet.GetStringRef())) { LLDB_LOG(log, "GDBRemoteCommunicationReplayServer expected packet: '{0}'", @@ -149,14 +150,14 @@ GDBRemoteCommunicationReplayServer::GetPacketAndSendResponse( // Ignore QEnvironment packets as they're handled earlier. if (entry.packet.data.find("QEnvironment") == 1) { assert(m_packet_history.back().type == - GDBRemoteCommunicationHistory::ePacketTypeRecv); + GDBRemotePacket::ePacketTypeRecv); m_packet_history.pop_back(); } continue; } - if (entry.type == GDBRemoteCommunicationHistory::ePacketTypeInvalid) { + if (entry.type == GDBRemotePacket::ePacketTypeInvalid) { LLDB_LOG( log, "GDBRemoteCommunicationReplayServer skipped invalid packet: '{0}'", @@ -175,10 +176,6 @@ GDBRemoteCommunicationReplayServer::GetPacketAndSendResponse( return packet_result; } -LLVM_YAML_IS_DOCUMENT_LIST_VECTOR( - std::vector< - lldb_private::process_gdb_remote::GDBRemoteCommunicationHistory::Entry>) - llvm::Error GDBRemoteCommunicationReplayServer::LoadReplayHistory(const FileSpec &path) { auto error_or_file = MemoryBuffer::getFile(path.GetPath()); @@ -256,11 +253,10 @@ void GDBRemoteCommunicationReplayServer::ReceivePacket( thread_result_t GDBRemoteCommunicationReplayServer::AsyncThread(void *arg) { GDBRemoteCommunicationReplayServer *server = (GDBRemoteCommunicationReplayServer *)arg; - + auto D = make_scope_exit([&]() { server->Disconnect(); }); EventSP event_sp; bool done = false; - - while (true) { + while (!done) { if (server->m_async_listener_sp->GetEvent(event_sp, llvm::None)) { const uint32_t event_type = event_sp->GetType(); if (event_sp->BroadcasterIs(&server->m_async_broadcaster)) { diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.h b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.h index 26d65e265463b..0b5e910f7c6a6 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.h +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationReplayServer.h @@ -62,7 +62,7 @@ protected: static lldb::thread_result_t AsyncThread(void *arg); /// Replay history with the oldest packet at the end. - std::vector<GDBRemoteCommunicationHistory::Entry> m_packet_history; + std::vector<GDBRemotePacket> m_packet_history; /// Server thread. Broadcaster m_async_broadcaster; diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp index 49cbeb023fd55..ac6ecffcf854f 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.cpp @@ -59,14 +59,13 @@ GDBRemoteCommunicationServer::GetPacketAndSendResponse( break; case StringExtractorGDBRemote::eServerPacketType_unimplemented: - packet_result = SendUnimplementedResponse(packet.GetStringRef().c_str()); + packet_result = SendUnimplementedResponse(packet.GetStringRef().data()); break; default: auto handler_it = m_packet_handlers.find(packet_type); if (handler_it == m_packet_handlers.end()) - packet_result = - SendUnimplementedResponse(packet.GetStringRef().c_str()); + packet_result = SendUnimplementedResponse(packet.GetStringRef().data()); else packet_result = handler_it->second(packet, error, interrupt, quit); break; @@ -139,10 +138,9 @@ GDBRemoteCommunication::PacketResult GDBRemoteCommunicationServer::SendIllFormedResponse( const StringExtractorGDBRemote &failed_packet, const char *message) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PACKETS)); - if (log) - log->Printf("GDBRemoteCommunicationServer::%s: ILLFORMED: '%s' (%s)", - __FUNCTION__, failed_packet.GetStringRef().c_str(), - message ? message : ""); + LLDB_LOGF(log, "GDBRemoteCommunicationServer::%s: ILLFORMED: '%s' (%s)", + __FUNCTION__, failed_packet.GetStringRef().data(), + message ? message : ""); return SendErrorResponse(0x03); } diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp index d095c7a057ad4..37980d914dc2b 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerCommon.cpp @@ -29,12 +29,13 @@ #include "lldb/Symbol/ObjectFile.h" #include "lldb/Target/Platform.h" #include "lldb/Utility/Endian.h" -#include "lldb/Utility/JSON.h" +#include "lldb/Utility/GDBRemote.h" #include "lldb/Utility/Log.h" -#include "lldb/Utility/StreamGDBRemote.h" #include "lldb/Utility/StreamString.h" #include "lldb/Utility/StructuredData.h" +#include "llvm/ADT/StringSwitch.h" #include "llvm/ADT/Triple.h" +#include "llvm/Support/JSON.h" #include "ProcessGDBRemoteLog.h" #include "lldb/Utility/StringExtractorGDBRemote.h" @@ -43,11 +44,10 @@ #include "lldb/Host/android/HostInfoAndroid.h" #endif -#include "llvm/ADT/StringSwitch.h" using namespace lldb; -using namespace lldb_private; using namespace lldb_private::process_gdb_remote; +using namespace lldb_private; #ifdef __ANDROID__ const static uint32_t g_default_packet_timeout_sec = 20; // seconds @@ -231,6 +231,7 @@ GDBRemoteCommunicationServerCommon::Handle_qHostInfo( #else if (host_arch.GetMachine() == llvm::Triple::aarch64 || + host_arch.GetMachine() == llvm::Triple::aarch64_32 || host_arch.GetMachine() == llvm::Triple::aarch64_be || host_arch.GetMachine() == llvm::Triple::arm || host_arch.GetMachine() == llvm::Triple::armeb || host_arch.IsMIPS()) @@ -260,6 +261,15 @@ GDBRemoteCommunicationServerCommon::Handle_qHostInfo( response.PutChar(';'); } +#if defined(__APPLE__) + llvm::VersionTuple maccatalyst_version = HostInfo::GetMacCatalystVersion(); + if (!maccatalyst_version.empty()) { + response.Format("maccatalyst_version:{0}", + maccatalyst_version.getAsString()); + response.PutChar(';'); + } +#endif + std::string s; if (HostInfo::GetOSBuildString(s)) { response.PutCString("os_build:"); @@ -421,8 +431,7 @@ GDBRemoteCommunicationServerCommon::Handle_qUserName( StringExtractorGDBRemote &packet) { #if !defined(LLDB_DISABLE_POSIX) Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf("GDBRemoteCommunicationServerCommon::%s begin", __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerCommon::%s begin", __FUNCTION__); // Packet format: "qUserName:%i" where %i is the uid packet.SetFilePos(::strlen("qUserName:")); @@ -435,8 +444,7 @@ GDBRemoteCommunicationServerCommon::Handle_qUserName( return SendPacketNoLock(response.GetString()); } } - if (log) - log->Printf("GDBRemoteCommunicationServerCommon::%s end", __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerCommon::%s end", __FUNCTION__); #endif return SendErrorResponse(5); } @@ -500,19 +508,32 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_Open( packet.GetHexByteStringTerminatedBy(path, ','); if (!path.empty()) { if (packet.GetChar() == ',') { - uint32_t flags = packet.GetHexMaxU32(false, 0); + // FIXME + // The flag values for OpenOptions do not match the values used by GDB + // * https://sourceware.org/gdb/onlinedocs/gdb/Open-Flags.html#Open-Flags + // * rdar://problem/46788934 + auto flags = File::OpenOptions(packet.GetHexMaxU32(false, 0)); if (packet.GetChar() == ',') { mode_t mode = packet.GetHexMaxU32(false, 0600); FileSpec path_spec(path); FileSystem::Instance().Resolve(path_spec); - File file; // Do not close fd. - Status error = - FileSystem::Instance().Open(file, path_spec, flags, mode, false); - const int save_errno = error.GetError(); + auto file = FileSystem::Instance().Open(path_spec, flags, mode, false); + + int save_errno = 0; + int descriptor = File::kInvalidDescriptor; + if (file) { + descriptor = file.get()->GetDescriptor(); + } else { + std::error_code code = errorToErrorCode(file.takeError()); + if (code.category() == std::system_category()) { + save_errno = code.value(); + } + } + StreamString response; response.PutChar('F'); - response.Printf("%i", file.GetDescriptor()); + response.Printf("%i", descriptor); if (save_errno) response.Printf(",%i", save_errno); return SendPacketNoLock(response.GetString()); @@ -530,7 +551,7 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_Close( int err = -1; int save_errno = 0; if (fd >= 0) { - File file(fd, true); + NativeFile file(fd, File::OpenOptions(0), true); Status error = file.Close(); err = 0; save_errno = error.GetError(); @@ -552,16 +573,16 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_pRead( packet.SetFilePos(::strlen("vFile:pread:")); int fd = packet.GetS32(-1); if (packet.GetChar() == ',') { - size_t count = packet.GetU64(UINT64_MAX); + size_t count = packet.GetU64(SIZE_MAX); if (packet.GetChar() == ',') { off_t offset = packet.GetU64(UINT32_MAX); - if (count == UINT64_MAX) { + if (count == SIZE_MAX) { response.Printf("F-1:%i", EINVAL); return SendPacketNoLock(response.GetString()); } std::string buffer(count, 0); - File file(fd, false); + NativeFile file(fd, File::eOpenOptionRead, false); Status error = file.Read(static_cast<void *>(&buffer[0]), count, offset); const ssize_t bytes_read = error.Success() ? count : -1; const int save_errno = error.GetError(); @@ -593,7 +614,7 @@ GDBRemoteCommunicationServerCommon::Handle_vFile_pWrite( if (packet.GetChar() == ',') { std::string buffer; if (packet.GetEscapedBinaryData(buffer)) { - File file(fd, false); + NativeFile file(fd, File::eOpenOptionWrite, false); size_t count = buffer.size(); Status error = file.Write(static_cast<const void *>(&buffer[0]), count, offset); @@ -825,6 +846,7 @@ GDBRemoteCommunicationServerCommon::Handle_qSupported( #if defined(__linux__) || defined(__NetBSD__) response.PutCString(";QPassSignals+"); response.PutCString(";qXfer:auxv:read+"); + response.PutCString(";qXfer:libraries-svr4:read+"); #endif return SendPacketNoLock(response.GetString()); @@ -1016,9 +1038,8 @@ GDBRemoteCommunicationServerCommon::Handle_A(StringExtractorGDBRemote &packet) { m_process_launch_info.GetExecutableFile().SetFile( arg, FileSpec::Style::native); m_process_launch_info.GetArguments().AppendArgument(arg); - if (log) - log->Printf("LLGSPacketHandler::%s added arg %d: \"%s\"", - __FUNCTION__, actual_arg_index, arg.c_str()); + LLDB_LOGF(log, "LLGSPacketHandler::%s added arg %d: \"%s\"", + __FUNCTION__, actual_arg_index, arg.c_str()); ++actual_arg_index; } } @@ -1104,6 +1125,8 @@ GDBRemoteCommunicationServerCommon::Handle_qModuleInfo( GDBRemoteCommunication::PacketResult GDBRemoteCommunicationServerCommon::Handle_jModulesInfo( StringExtractorGDBRemote &packet) { + namespace json = llvm::json; + packet.SetFilePos(::strlen("jModulesInfo:")); StructuredData::ObjectSP object_sp = StructuredData::ParseJSON(packet.Peek()); @@ -1114,7 +1137,7 @@ GDBRemoteCommunicationServerCommon::Handle_jModulesInfo( if (!packet_array) return SendErrorResponse(2); - JSONArray::SP response_array_sp = std::make_shared<JSONArray>(); + json::Array response_array; for (size_t i = 0; i < packet_array->GetSize(); ++i) { StructuredData::Dictionary *query = packet_array->GetItemAtIndex(i)->GetAsDictionary(); @@ -1132,27 +1155,22 @@ GDBRemoteCommunicationServerCommon::Handle_jModulesInfo( const auto file_offset = matched_module_spec.GetObjectOffset(); const auto file_size = matched_module_spec.GetObjectSize(); const auto uuid_str = matched_module_spec.GetUUID().GetAsString(""); - if (uuid_str.empty()) continue; - - JSONObject::SP response = std::make_shared<JSONObject>(); - response_array_sp->AppendObject(response); - response->SetObject("uuid", std::make_shared<JSONString>(uuid_str)); - response->SetObject( - "triple", - std::make_shared<JSONString>( - matched_module_spec.GetArchitecture().GetTriple().getTriple())); - response->SetObject("file_path", - std::make_shared<JSONString>( - matched_module_spec.GetFileSpec().GetPath())); - response->SetObject("file_offset", - std::make_shared<JSONNumber>(file_offset)); - response->SetObject("file_size", std::make_shared<JSONNumber>(file_size)); + const auto triple_str = + matched_module_spec.GetArchitecture().GetTriple().getTriple(); + const auto file_path = matched_module_spec.GetFileSpec().GetPath(); + + json::Object response{{"uuid", uuid_str}, + {"triple", triple_str}, + {"file_path", file_path}, + {"file_offset", static_cast<int64_t>(file_offset)}, + {"file_size", static_cast<int64_t>(file_size)}}; + response_array.push_back(std::move(response)); } StreamString response; - response_array_sp->Write(response); + response.AsRawOstream() << std::move(response_array); StreamGDBRemote escaped_response; escaped_response.PutEscapedBytes(response.GetString().data(), response.GetSize()); @@ -1168,6 +1186,15 @@ void GDBRemoteCommunicationServerCommon::CreateProcessInfoResponse( proc_info.GetEffectiveUserID(), proc_info.GetEffectiveGroupID()); response.PutCString("name:"); response.PutStringAsRawHex8(proc_info.GetExecutableFile().GetCString()); + + response.PutChar(';'); + response.PutCString("args:"); + response.PutStringAsRawHex8(proc_info.GetArg0()); + for (auto &arg : proc_info.GetArguments()) { + response.PutChar('-'); + response.PutStringAsRawHex8(arg.ref()); + } + response.PutChar(';'); const ArchSpec &proc_arch = proc_info.GetArchitecture(); if (proc_arch.IsValid()) { @@ -1217,6 +1244,7 @@ void GDBRemoteCommunicationServerCommon:: case llvm::Triple::arm: case llvm::Triple::thumb: case llvm::Triple::aarch64: + case llvm::Triple::aarch64_32: ostype = "ios"; break; default: diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp index 196607665bbaf..ad1a39b579699 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.cpp @@ -11,7 +11,7 @@ #include "lldb/Host/Config.h" #include "GDBRemoteCommunicationServerLLGS.h" -#include "lldb/Utility/StreamGDBRemote.h" +#include "lldb/Utility/GDBRemote.h" #include <chrono> #include <cstring> @@ -32,7 +32,6 @@ #include "lldb/Utility/Args.h" #include "lldb/Utility/DataBuffer.h" #include "lldb/Utility/Endian.h" -#include "lldb/Utility/JSON.h" #include "lldb/Utility/LLDBAssert.h" #include "lldb/Utility/Log.h" #include "lldb/Utility/RegisterValue.h" @@ -40,6 +39,7 @@ #include "lldb/Utility/StreamString.h" #include "lldb/Utility/UriParser.h" #include "llvm/ADT/Triple.h" +#include "llvm/Support/JSON.h" #include "llvm/Support/ScopedPrinter.h" #include "ProcessGDBRemote.h" @@ -217,8 +217,13 @@ Status GDBRemoteCommunicationServerLLGS::LaunchProcess() { m_process_launch_info.GetFlags().Set(eLaunchFlagDebug); if (should_forward_stdio) { + // Temporarily relax the following for Windows until we can take advantage + // of the recently added pty support. This doesn't really affect the use of + // lldb-server on Windows. +#if !defined(_WIN32) if (llvm::Error Err = m_process_launch_info.SetUpPtyRedirection()) return Status(std::move(Err)); +#endif } { @@ -249,18 +254,18 @@ Status GDBRemoteCommunicationServerLLGS::LaunchProcess() { // Setup stdout/stderr mapping from inferior to $O auto terminal_fd = m_debugged_process_up->GetTerminalFileDescriptor(); if (terminal_fd >= 0) { - if (log) - log->Printf("ProcessGDBRemoteCommunicationServerLLGS::%s setting " - "inferior STDIO fd to %d", - __FUNCTION__, terminal_fd); + LLDB_LOGF(log, + "ProcessGDBRemoteCommunicationServerLLGS::%s setting " + "inferior STDIO fd to %d", + __FUNCTION__, terminal_fd); Status status = SetSTDIOFileDescriptor(terminal_fd); if (status.Fail()) return status; } else { - if (log) - log->Printf("ProcessGDBRemoteCommunicationServerLLGS::%s ignoring " - "inferior STDIO since terminal fd reported as %d", - __FUNCTION__, terminal_fd); + LLDB_LOGF(log, + "ProcessGDBRemoteCommunicationServerLLGS::%s ignoring " + "inferior STDIO since terminal fd reported as %d", + __FUNCTION__, terminal_fd); } } else { LLDB_LOG(log, @@ -278,9 +283,8 @@ Status GDBRemoteCommunicationServerLLGS::LaunchProcess() { Status GDBRemoteCommunicationServerLLGS::AttachToProcess(lldb::pid_t pid) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64, - __FUNCTION__, pid); + LLDB_LOGF(log, "GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64, + __FUNCTION__, pid); // Before we try to attach, make sure we aren't already monitoring something // else. @@ -304,18 +308,18 @@ Status GDBRemoteCommunicationServerLLGS::AttachToProcess(lldb::pid_t pid) { // Setup stdout/stderr mapping from inferior. auto terminal_fd = m_debugged_process_up->GetTerminalFileDescriptor(); if (terminal_fd >= 0) { - if (log) - log->Printf("ProcessGDBRemoteCommunicationServerLLGS::%s setting " - "inferior STDIO fd to %d", - __FUNCTION__, terminal_fd); + LLDB_LOGF(log, + "ProcessGDBRemoteCommunicationServerLLGS::%s setting " + "inferior STDIO fd to %d", + __FUNCTION__, terminal_fd); Status status = SetSTDIOFileDescriptor(terminal_fd); if (status.Fail()) return status; } else { - if (log) - log->Printf("ProcessGDBRemoteCommunicationServerLLGS::%s ignoring " - "inferior STDIO since terminal fd reported as %d", - __FUNCTION__, terminal_fd); + LLDB_LOGF(log, + "ProcessGDBRemoteCommunicationServerLLGS::%s ignoring " + "inferior STDIO since terminal fd reported as %d", + __FUNCTION__, terminal_fd); } printf("Attached to process %" PRIu64 "...\n", pid); @@ -327,10 +331,11 @@ void GDBRemoteCommunicationServerLLGS::InitializeDelegate( assert(process && "process cannot be NULL"); Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); if (log) { - log->Printf("GDBRemoteCommunicationServerLLGS::%s called with " - "NativeProcessProtocol pid %" PRIu64 ", current state: %s", - __FUNCTION__, process->GetID(), - StateAsCString(process->GetState())); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s called with " + "NativeProcessProtocol pid %" PRIu64 ", current state: %s", + __FUNCTION__, process->GetID(), + StateAsCString(process->GetState())); } } @@ -397,19 +402,21 @@ static void WriteRegisterValueInHexFixedWidth( } } -static JSONObject::SP GetRegistersAsJSON(NativeThreadProtocol &thread) { +static llvm::Expected<json::Object> +GetRegistersAsJSON(NativeThreadProtocol &thread) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_THREAD)); NativeRegisterContext& reg_ctx = thread.GetRegisterContext(); - JSONObject::SP register_object_sp = std::make_shared<JSONObject>(); + json::Object register_object; #ifdef LLDB_JTHREADSINFO_FULL_REGISTER_SET // Expedite all registers in the first register set (i.e. should be GPRs) // that are not contained in other registers. const RegisterSet *reg_set_p = reg_ctx_sp->GetRegisterSet(0); if (!reg_set_p) - return nullptr; + return llvm::make_error<llvm::StringError>("failed to get registers", + llvm::inconvertibleErrorCode()); for (const uint32_t *reg_num_p = reg_set_p->registers; *reg_num_p != LLDB_INVALID_REGNUM; ++reg_num_p) { uint32_t reg_num = *reg_num_p; @@ -431,10 +438,9 @@ static JSONObject::SP GetRegistersAsJSON(NativeThreadProtocol &thread) { const RegisterInfo *const reg_info_p = reg_ctx.GetRegisterInfoAtIndex(reg_num); if (reg_info_p == nullptr) { - if (log) - log->Printf( - "%s failed to get register info for register index %" PRIu32, - __FUNCTION__, reg_num); + LLDB_LOGF(log, + "%s failed to get register info for register index %" PRIu32, + __FUNCTION__, reg_num); continue; } @@ -445,11 +451,10 @@ static JSONObject::SP GetRegistersAsJSON(NativeThreadProtocol &thread) { RegisterValue reg_value; Status error = reg_ctx.ReadRegister(reg_info_p, reg_value); if (error.Fail()) { - if (log) - log->Printf("%s failed to read register '%s' index %" PRIu32 ": %s", - __FUNCTION__, - reg_info_p->name ? reg_info_p->name : "<unnamed-register>", - reg_num, error.AsCString()); + LLDB_LOGF(log, "%s failed to read register '%s' index %" PRIu32 ": %s", + __FUNCTION__, + reg_info_p->name ? reg_info_p->name : "<unnamed-register>", + reg_num, error.AsCString()); continue; } @@ -457,12 +462,11 @@ static JSONObject::SP GetRegistersAsJSON(NativeThreadProtocol &thread) { WriteRegisterValueInHexFixedWidth(stream, reg_ctx, *reg_info_p, ®_value, lldb::eByteOrderBig); - register_object_sp->SetObject( - llvm::to_string(reg_num), - std::make_shared<JSONString>(stream.GetString())); + register_object.try_emplace(llvm::to_string(reg_num), + stream.GetString().str()); } - return register_object_sp; + return register_object; } static const char *GetStopReasonString(StopReason stop_reason) { @@ -489,11 +493,11 @@ static const char *GetStopReasonString(StopReason stop_reason) { return nullptr; } -static JSONArray::SP GetJSONThreadsInfo(NativeProcessProtocol &process, - bool abridged) { +static llvm::Expected<json::Array> +GetJSONThreadsInfo(NativeProcessProtocol &process, bool abridged) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD)); - JSONArray::SP threads_array_sp = std::make_shared<JSONArray>(); + json::Array threads_array; // Ensure we can get info on the given thread. uint32_t thread_idx = 0; @@ -507,61 +511,62 @@ static JSONArray::SP GetJSONThreadsInfo(NativeProcessProtocol &process, struct ThreadStopInfo tid_stop_info; std::string description; if (!thread->GetStopReason(tid_stop_info, description)) - return nullptr; + return llvm::make_error<llvm::StringError>( + "failed to get stop reason", llvm::inconvertibleErrorCode()); const int signum = tid_stop_info.details.signal.signo; if (log) { - log->Printf("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 - " tid %" PRIu64 - " got signal signo = %d, reason = %d, exc_type = %" PRIu64, - __FUNCTION__, process.GetID(), tid, signum, - tid_stop_info.reason, tid_stop_info.details.exception.type); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 + " tid %" PRIu64 + " got signal signo = %d, reason = %d, exc_type = %" PRIu64, + __FUNCTION__, process.GetID(), tid, signum, + tid_stop_info.reason, tid_stop_info.details.exception.type); } - JSONObject::SP thread_obj_sp = std::make_shared<JSONObject>(); - threads_array_sp->AppendObject(thread_obj_sp); + json::Object thread_obj; if (!abridged) { - if (JSONObject::SP registers_sp = GetRegistersAsJSON(*thread)) - thread_obj_sp->SetObject("registers", registers_sp); + if (llvm::Expected<json::Object> registers = + GetRegistersAsJSON(*thread)) { + thread_obj.try_emplace("registers", std::move(*registers)); + } else { + return registers.takeError(); + } } - thread_obj_sp->SetObject("tid", std::make_shared<JSONNumber>(tid)); + thread_obj.try_emplace("tid", static_cast<int64_t>(tid)); + if (signum != 0) - thread_obj_sp->SetObject("signal", std::make_shared<JSONNumber>(signum)); + thread_obj.try_emplace("signal", signum); const std::string thread_name = thread->GetName(); if (!thread_name.empty()) - thread_obj_sp->SetObject("name", - std::make_shared<JSONString>(thread_name)); + thread_obj.try_emplace("name", thread_name); - if (const char *stop_reason_str = GetStopReasonString(tid_stop_info.reason)) - thread_obj_sp->SetObject("reason", - std::make_shared<JSONString>(stop_reason_str)); + const char *stop_reason = GetStopReasonString(tid_stop_info.reason); + if (stop_reason) + thread_obj.try_emplace("reason", stop_reason); if (!description.empty()) - thread_obj_sp->SetObject("description", - std::make_shared<JSONString>(description)); + thread_obj.try_emplace("description", description); if ((tid_stop_info.reason == eStopReasonException) && tid_stop_info.details.exception.type) { - thread_obj_sp->SetObject( - "metype", - std::make_shared<JSONNumber>(tid_stop_info.details.exception.type)); + thread_obj.try_emplace( + "metype", static_cast<int64_t>(tid_stop_info.details.exception.type)); - JSONArray::SP medata_array_sp = std::make_shared<JSONArray>(); + json::Array medata_array; for (uint32_t i = 0; i < tid_stop_info.details.exception.data_count; ++i) { - medata_array_sp->AppendObject(std::make_shared<JSONNumber>( - tid_stop_info.details.exception.data[i])); + medata_array.push_back( + static_cast<int64_t>(tid_stop_info.details.exception.data[i])); } - thread_obj_sp->SetObject("medata", medata_array_sp); + thread_obj.try_emplace("medata", std::move(medata_array)); } - - // TODO: Expedite interesting regions of inferior memory + threads_array.push_back(std::move(thread_obj)); } - - return threads_array_sp; + return threads_array; } GDBRemoteCommunication::PacketResult @@ -653,19 +658,21 @@ GDBRemoteCommunicationServerLLGS::SendStopReplyPacketForThread( // is hex ascii JSON that contains the thread IDs thread stop info only for // threads that have stop reasons. Only send this if we have more than one // thread otherwise this packet has all the info it needs. - if (thread_index > 0) { + if (thread_index > 1) { const bool threads_with_valid_stop_info_only = true; - JSONArray::SP threads_info_sp = GetJSONThreadsInfo( + llvm::Expected<json::Array> threads_info = GetJSONThreadsInfo( *m_debugged_process_up, threads_with_valid_stop_info_only); - if (threads_info_sp) { + if (threads_info) { response.PutCString("jstopinfo:"); StreamString unescaped_response; - threads_info_sp->Write(unescaped_response); + unescaped_response.AsRawOstream() << std::move(*threads_info); response.PutStringAsRawHex8(unescaped_response.GetData()); response.PutChar(';'); - } else - LLDB_LOG(log, "failed to prepare a jstopinfo field for pid {0}", - m_debugged_process_up->GetID()); + } else { + LLDB_LOG(log, "failed to prepare a jstopinfo field for pid {0}:", + m_debugged_process_up->GetID(), + llvm::toString(threads_info.takeError())); + } } uint32_t i = 0; @@ -684,12 +691,10 @@ GDBRemoteCommunicationServerLLGS::SendStopReplyPacketForThread( RegisterValue reg_value; Status error = reg_ctx.ReadRegister(reg_info_p, reg_value); if (error.Fail()) { - if (log) - log->Printf("%s failed to read register '%s' index %" PRIu32 ": %s", - __FUNCTION__, - reg_info_p->name ? reg_info_p->name - : "<unnamed-register>", - reg_to_read, error.AsCString()); + LLDB_LOGF(log, "%s failed to read register '%s' index %" PRIu32 ": %s", + __FUNCTION__, + reg_info_p->name ? reg_info_p->name : "<unnamed-register>", + reg_to_read, error.AsCString()); continue; } @@ -713,25 +718,24 @@ GDBRemoteCommunicationServerLLGS::SendStopReplyPacketForThread( const RegisterSet *reg_set_p; if (reg_ctx.GetRegisterSetCount() > 0 && ((reg_set_p = reg_ctx.GetRegisterSet(0)) != nullptr)) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s expediting registers " - "from set '%s' (registers set count: %zu)", - __FUNCTION__, - reg_set_p->name ? reg_set_p->name : "<unnamed-set>", - reg_set_p->num_registers); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s expediting registers " + "from set '%s' (registers set count: %zu)", + __FUNCTION__, reg_set_p->name ? reg_set_p->name : "<unnamed-set>", + reg_set_p->num_registers); for (const uint32_t *reg_num_p = reg_set_p->registers; *reg_num_p != LLDB_INVALID_REGNUM; ++reg_num_p) { const RegisterInfo *const reg_info_p = reg_ctx.GetRegisterInfoAtIndex(*reg_num_p); if (reg_info_p == nullptr) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed to get " - "register info for register set '%s', register index " - "%" PRIu32, - __FUNCTION__, - reg_set_p->name ? reg_set_p->name : "<unnamed-set>", - *reg_num_p); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed to get " + "register info for register set '%s', register index " + "%" PRIu32, + __FUNCTION__, + reg_set_p->name ? reg_set_p->name : "<unnamed-set>", + *reg_num_p); } else if (reg_info_p->value_regs == nullptr) { // Only expediate registers that are not contained in other registers. RegisterValue reg_value; @@ -742,13 +746,12 @@ GDBRemoteCommunicationServerLLGS::SendStopReplyPacketForThread( ®_value, lldb::eByteOrderBig); response.PutChar(';'); } else { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed to read " - "register '%s' index %" PRIu32 ": %s", - __FUNCTION__, - reg_info_p->name ? reg_info_p->name - : "<unnamed-register>", - *reg_num_p, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed to read " + "register '%s' index %" PRIu32 ": %s", + __FUNCTION__, + reg_info_p->name ? reg_info_p->name : "<unnamed-register>", + *reg_num_p, error.AsCString()); } } } @@ -787,15 +790,14 @@ void GDBRemoteCommunicationServerLLGS::HandleInferiorState_Exited( assert(process && "process cannot be NULL"); Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); PacketResult result = SendStopReasonForState(StateType::eStateExited); if (result != PacketResult::Success) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed to send stop " - "notification for PID %" PRIu64 ", state: eStateExited", - __FUNCTION__, process->GetID()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed to send stop " + "notification for PID %" PRIu64 ", state: eStateExited", + __FUNCTION__, process->GetID()); } // Close the pipe to the inferior terminal i/o if we launched it and set one @@ -812,8 +814,7 @@ void GDBRemoteCommunicationServerLLGS::HandleInferiorState_Stopped( assert(process && "process cannot be NULL"); Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); // Send the stop reason unless this is the stop after the launch or attach. switch (m_inferior_prev_state) { @@ -825,10 +826,10 @@ void GDBRemoteCommunicationServerLLGS::HandleInferiorState_Stopped( // In all other cases, send the stop reason. PacketResult result = SendStopReasonForState(StateType::eStateStopped); if (result != PacketResult::Success) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed to send stop " - "notification for PID %" PRIu64 ", state: eStateExited", - __FUNCTION__, process->GetID()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed to send stop " + "notification for PID %" PRIu64 ", state: eStateExited", + __FUNCTION__, process->GetID()); } break; } @@ -839,9 +840,10 @@ void GDBRemoteCommunicationServerLLGS::ProcessStateChanged( assert(process && "process cannot be NULL"); Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); if (log) { - log->Printf("GDBRemoteCommunicationServerLLGS::%s called with " - "NativeProcessProtocol pid %" PRIu64 ", state: %s", - __FUNCTION__, process->GetID(), StateAsCString(state)); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s called with " + "NativeProcessProtocol pid %" PRIu64 ", state: %s", + __FUNCTION__, process->GetID(), StateAsCString(state)); } switch (state) { @@ -868,9 +870,10 @@ void GDBRemoteCommunicationServerLLGS::ProcessStateChanged( default: if (log) { - log->Printf("GDBRemoteCommunicationServerLLGS::%s didn't handle state " - "change for pid %" PRIu64 ", new state: %s", - __FUNCTION__, process->GetID(), StateAsCString(state)); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s didn't handle state " + "change for pid %" PRIu64 ", new state: %s", + __FUNCTION__, process->GetID(), StateAsCString(state)); } break; } @@ -888,10 +891,10 @@ void GDBRemoteCommunicationServerLLGS::DataAvailableCallback() { if (!m_handshake_completed) { if (!HandshakeWithClient()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s handshake with " - "client failed, exiting", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s handshake with " + "client failed, exiting", + __FUNCTION__); m_mainloop.RequestTermination(); return; } @@ -908,10 +911,10 @@ void GDBRemoteCommunicationServerLLGS::DataAvailableCallback() { break; // No more packets in the queue if ((result != PacketResult::Success)) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s processing a packet " - "failed: %s", - __FUNCTION__, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s processing a packet " + "failed: %s", + __FUNCTION__, error.AsCString()); m_mainloop.RequestTermination(); break; } @@ -982,9 +985,10 @@ void GDBRemoteCommunicationServerLLGS::StartSTDIOForwarding() { // Not much we can do about the failure. Log it and continue without // forwarding. if (Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)) - log->Printf("GDBRemoteCommunicationServerLLGS::%s Failed to set up stdio " - "forwarding: %s", - __FUNCTION__, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s Failed to set up stdio " + "forwarding: %s", + __FUNCTION__, error.AsCString()); } } @@ -1008,10 +1012,11 @@ void GDBRemoteCommunicationServerLLGS::SendProcessOutput() { case eConnectionStatusError: case eConnectionStatusNoConnection: if (Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)) - log->Printf("GDBRemoteCommunicationServerLLGS::%s Stopping stdio " - "forwarding as communication returned status %d (error: " - "%s)", - __FUNCTION__, status, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s Stopping stdio " + "forwarding as communication returned status %d (error: " + "%s)", + __FUNCTION__, status, error.AsCString()); m_stdio_handle_up.reset(); return; @@ -1349,15 +1354,14 @@ GDBRemoteCommunicationServerLLGS::Handle_qGetWorkingDir( GDBRemoteCommunication::PacketResult GDBRemoteCommunicationServerLLGS::Handle_C(StringExtractorGDBRemote &packet) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD)); - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); // Ensure we have a native process. if (!m_debugged_process_up) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s no debugged process " - "shared pointer", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s no debugged process " + "shared pointer", + __FUNCTION__); return SendErrorResponse(0x36); } @@ -1376,13 +1380,14 @@ GDBRemoteCommunicationServerLLGS::Handle_C(StringExtractorGDBRemote &packet) { if (packet.GetBytesLeft() > 0) { // FIXME add continue at address support for $C{signo}[;{continue-address}]. if (*packet.Peek() == ';') - return SendUnimplementedResponse(packet.GetStringRef().c_str()); + return SendUnimplementedResponse(packet.GetStringRef().data()); else return SendIllFormedResponse( packet, "unexpected content after $C{signal-number}"); } - ResumeActionList resume_actions(StateType::eStateRunning, 0); + ResumeActionList resume_actions(StateType::eStateRunning, + LLDB_INVALID_SIGNAL_NUMBER); Status error; // We have two branches: what to do if a continue thread is specified (in @@ -1430,8 +1435,7 @@ GDBRemoteCommunicationServerLLGS::Handle_C(StringExtractorGDBRemote &packet) { GDBRemoteCommunication::PacketResult GDBRemoteCommunicationServerLLGS::Handle_c(StringExtractorGDBRemote &packet) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS | LIBLLDB_LOG_THREAD)); - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerLLGS::%s called", __FUNCTION__); packet.SetFilePos(packet.GetFilePos() + ::strlen("c")); @@ -1440,20 +1444,21 @@ GDBRemoteCommunicationServerLLGS::Handle_c(StringExtractorGDBRemote &packet) { if (has_continue_address) { LLDB_LOG(log, "not implemented for c[address] variant [{0} remains]", packet.Peek()); - return SendUnimplementedResponse(packet.GetStringRef().c_str()); + return SendUnimplementedResponse(packet.GetStringRef().data()); } // Ensure we have a native process. if (!m_debugged_process_up) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s no debugged process " - "shared pointer", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s no debugged process " + "shared pointer", + __FUNCTION__); return SendErrorResponse(0x36); } // Build the ResumeActionList - ResumeActionList actions(StateType::eStateRunning, 0); + ResumeActionList actions(StateType::eStateRunning, + LLDB_INVALID_SIGNAL_NUMBER); Status error = m_debugged_process_up->Resume(actions); if (error.Fail()) { @@ -1480,17 +1485,16 @@ GDBRemoteCommunication::PacketResult GDBRemoteCommunicationServerLLGS::Handle_vCont( StringExtractorGDBRemote &packet) { Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS)); - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s handling vCont packet", - __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerLLGS::%s handling vCont packet", + __FUNCTION__); packet.SetFilePos(::strlen("vCont")); if (packet.GetBytesLeft() == 0) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s missing action from " - "vCont package", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s missing action from " + "vCont package", + __FUNCTION__); return SendIllFormedResponse(packet, "Missing action from vCont package"); } @@ -1521,7 +1525,7 @@ GDBRemoteCommunicationServerLLGS::Handle_vCont( ResumeAction thread_action; thread_action.tid = LLDB_INVALID_THREAD_ID; thread_action.state = eStateInvalid; - thread_action.signal = 0; + thread_action.signal = LLDB_INVALID_SIGNAL_NUMBER; const char action = packet.GetChar(); switch (action) { @@ -1958,10 +1962,10 @@ GDBRemoteCommunicationServerLLGS::Handle_p(StringExtractorGDBRemote &packet) { const uint32_t reg_index = packet.GetHexMaxU32(false, std::numeric_limits<uint32_t>::max()); if (reg_index == std::numeric_limits<uint32_t>::max()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, could not " - "parse register number from request \"%s\"", - __FUNCTION__, packet.GetStringRef().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, could not " + "parse register number from request \"%s\"", + __FUNCTION__, packet.GetStringRef().data()); return SendErrorResponse(0x15); } @@ -1978,20 +1982,19 @@ GDBRemoteCommunicationServerLLGS::Handle_p(StringExtractorGDBRemote &packet) { // Return the end of registers response if we've iterated one past the end of // the register set. if (reg_index >= reg_context.GetUserRegisterCount()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, requested " - "register %" PRIu32 " beyond register count %" PRIu32, - __FUNCTION__, reg_index, - reg_context.GetUserRegisterCount()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, requested " + "register %" PRIu32 " beyond register count %" PRIu32, + __FUNCTION__, reg_index, reg_context.GetUserRegisterCount()); return SendErrorResponse(0x15); } const RegisterInfo *reg_info = reg_context.GetRegisterInfoAtIndex(reg_index); if (!reg_info) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, requested " - "register %" PRIu32 " returned NULL", - __FUNCTION__, reg_index); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, requested " + "register %" PRIu32 " returned NULL", + __FUNCTION__, reg_index); return SendErrorResponse(0x15); } @@ -2002,20 +2005,20 @@ GDBRemoteCommunicationServerLLGS::Handle_p(StringExtractorGDBRemote &packet) { RegisterValue reg_value; Status error = reg_context.ReadRegister(reg_info, reg_value); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, read of " - "requested register %" PRIu32 " (%s) failed: %s", - __FUNCTION__, reg_index, reg_info->name, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, read of " + "requested register %" PRIu32 " (%s) failed: %s", + __FUNCTION__, reg_index, reg_info->name, error.AsCString()); return SendErrorResponse(0x15); } const uint8_t *const data = reinterpret_cast<const uint8_t *>(reg_value.GetBytes()); if (!data) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed to get data " - "bytes from requested register %" PRIu32, - __FUNCTION__, reg_index); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed to get data " + "bytes from requested register %" PRIu32, + __FUNCTION__, reg_index); return SendErrorResponse(0x15); } @@ -2039,10 +2042,10 @@ GDBRemoteCommunicationServerLLGS::Handle_P(StringExtractorGDBRemote &packet) { const uint32_t reg_index = packet.GetHexMaxU32(false, std::numeric_limits<uint32_t>::max()); if (reg_index == std::numeric_limits<uint32_t>::max()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, could not " - "parse register number from request \"%s\"", - __FUNCTION__, packet.GetStringRef().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, could not " + "parse register number from request \"%s\"", + __FUNCTION__, packet.GetStringRef().data()); return SendErrorResponse(0x29); } @@ -2058,10 +2061,10 @@ GDBRemoteCommunicationServerLLGS::Handle_P(StringExtractorGDBRemote &packet) { // Get the thread to use. NativeThreadProtocol *thread = GetThreadFromSuffix(packet); if (!thread) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, no thread " - "available (thread index 0)", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, no thread " + "available (thread index 0)", + __FUNCTION__); return SendErrorResponse(0x28); } @@ -2069,20 +2072,20 @@ GDBRemoteCommunicationServerLLGS::Handle_P(StringExtractorGDBRemote &packet) { NativeRegisterContext ®_context = thread->GetRegisterContext(); const RegisterInfo *reg_info = reg_context.GetRegisterInfoAtIndex(reg_index); if (!reg_info) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, requested " - "register %" PRIu32 " returned NULL", - __FUNCTION__, reg_index); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, requested " + "register %" PRIu32 " returned NULL", + __FUNCTION__, reg_index); return SendErrorResponse(0x48); } // Return the end of registers response if we've iterated one past the end of // the register set. if (reg_index >= reg_context.GetUserRegisterCount()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, requested " - "register %" PRIu32 " beyond register count %" PRIu32, - __FUNCTION__, reg_index, reg_context.GetUserRegisterCount()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, requested " + "register %" PRIu32 " beyond register count %" PRIu32, + __FUNCTION__, reg_index, reg_context.GetUserRegisterCount()); return SendErrorResponse(0x47); } @@ -2101,10 +2104,10 @@ GDBRemoteCommunicationServerLLGS::Handle_P(StringExtractorGDBRemote &packet) { m_debugged_process_up->GetArchitecture().GetByteOrder()); Status error = reg_context.WriteRegister(reg_info, reg_value); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, write of " - "requested register %" PRIu32 " (%s) failed: %s", - __FUNCTION__, reg_index, reg_info->name, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, write of " + "requested register %" PRIu32 " (%s) failed: %s", + __FUNCTION__, reg_index, reg_info->name, error.AsCString()); return SendErrorResponse(0x32); } @@ -2118,20 +2121,20 @@ GDBRemoteCommunicationServerLLGS::Handle_H(StringExtractorGDBRemote &packet) { // Fail if we don't have a current process. if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x15); } // Parse out which variant of $H is requested. packet.SetFilePos(strlen("H")); if (packet.GetBytesLeft() < 1) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, H command " - "missing {g,c} variant", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, H command " + "missing {g,c} variant", + __FUNCTION__); return SendIllFormedResponse(packet, "H command missing {g,c} variant"); } @@ -2144,10 +2147,10 @@ GDBRemoteCommunicationServerLLGS::Handle_H(StringExtractorGDBRemote &packet) { break; default: - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, invalid $H variant %c", - __FUNCTION__, h_variant); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, invalid $H variant %c", + __FUNCTION__, h_variant); return SendIllFormedResponse(packet, "H variant unsupported, should be c or g"); } @@ -2162,10 +2165,10 @@ GDBRemoteCommunicationServerLLGS::Handle_H(StringExtractorGDBRemote &packet) { if (tid != LLDB_INVALID_THREAD_ID && tid != 0) { NativeThreadProtocol *thread = m_debugged_process_up->GetThreadByID(tid); if (!thread) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, tid %" PRIu64 - " not found", - __FUNCTION__, tid); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, tid %" PRIu64 + " not found", + __FUNCTION__, tid); return SendErrorResponse(0x15); } } @@ -2196,10 +2199,10 @@ GDBRemoteCommunicationServerLLGS::Handle_I(StringExtractorGDBRemote &packet) { // Fail if we don't have a current process. if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x15); } @@ -2257,10 +2260,10 @@ GDBRemoteCommunicationServerLLGS::Handle_memory_read( if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x15); } @@ -2284,10 +2287,10 @@ GDBRemoteCommunicationServerLLGS::Handle_memory_read( const uint64_t byte_count = packet.GetHexMaxU64(false, 0); if (byte_count == 0) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s nothing to read: " - "zero-length packet", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s nothing to read: " + "zero-length packet", + __FUNCTION__); return SendOKResponse(); } @@ -2301,20 +2304,20 @@ GDBRemoteCommunicationServerLLGS::Handle_memory_read( Status error = m_debugged_process_up->ReadMemoryWithoutTrap( read_addr, &buf[0], byte_count, bytes_read); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 - " mem 0x%" PRIx64 ": failed to read. Error: %s", - __FUNCTION__, m_debugged_process_up->GetID(), read_addr, - error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 + " mem 0x%" PRIx64 ": failed to read. Error: %s", + __FUNCTION__, m_debugged_process_up->GetID(), read_addr, + error.AsCString()); return SendErrorResponse(0x08); } if (bytes_read == 0) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 - " mem 0x%" PRIx64 ": read 0 of %" PRIu64 " requested bytes", - __FUNCTION__, m_debugged_process_up->GetID(), read_addr, - byte_count); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 + " mem 0x%" PRIx64 ": read 0 of %" PRIu64 " requested bytes", + __FUNCTION__, m_debugged_process_up->GetID(), read_addr, + byte_count); return SendErrorResponse(0x08); } @@ -2338,10 +2341,10 @@ GDBRemoteCommunicationServerLLGS::Handle_M(StringExtractorGDBRemote &packet) { if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x15); } @@ -2426,10 +2429,10 @@ GDBRemoteCommunicationServerLLGS::Handle_qMemoryRegionInfoSupported( // since we won't have a NativeProcessProtocol. if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x15); } @@ -2454,10 +2457,10 @@ GDBRemoteCommunicationServerLLGS::Handle_qMemoryRegionInfo( // Ensure we have a process. if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x15); } @@ -2703,10 +2706,10 @@ GDBRemoteCommunicationServerLLGS::Handle_s(StringExtractorGDBRemote &packet) { // Ensure we have a process. if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x32); } @@ -2725,7 +2728,7 @@ GDBRemoteCommunicationServerLLGS::Handle_s(StringExtractorGDBRemote &packet) { return SendErrorResponse(0x33); // Create the step action for the given thread. - ResumeAction action = {tid, eStateStepping, 0}; + ResumeAction action = {tid, eStateStepping, LLDB_INVALID_SIGNAL_NUMBER}; // Setup the actions list. ResumeActionList actions; @@ -2735,11 +2738,11 @@ GDBRemoteCommunicationServerLLGS::Handle_s(StringExtractorGDBRemote &packet) { actions.SetDefaultThreadActionIfNeeded(eStateStopped, 0); Status error = m_debugged_process_up->Resume(actions); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 - " tid %" PRIu64 " Resume() failed with error: %s", - __FUNCTION__, m_debugged_process_up->GetID(), tid, - error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s pid %" PRIu64 + " tid %" PRIu64 " Resume() failed with error: %s", + __FUNCTION__, m_debugged_process_up->GetID(), tid, + error.AsCString()); return SendErrorResponse(0x49); } @@ -2765,6 +2768,24 @@ GDBRemoteCommunicationServerLLGS::ReadXferObject(llvm::StringRef object, return std::move(*buffer_or_error); } + if (object == "libraries-svr4") { + auto library_list = m_debugged_process_up->GetLoadedSVR4Libraries(); + if (!library_list) + return library_list.takeError(); + + StreamString response; + response.Printf("<library-list-svr4 version=\"1.0\">"); + for (auto const &library : *library_list) { + response.Printf("<library name=\"%s\" ", + XMLEncodeAttributeValue(library.name.c_str()).c_str()); + response.Printf("lm=\"0x%" PRIx64 "\" ", library.link_map); + response.Printf("l_addr=\"0x%" PRIx64 "\" ", library.base_addr); + response.Printf("l_ld=\"0x%" PRIx64 "\" />", library.ld_addr); + } + response.Printf("</library-list-svr4>"); + return MemoryBuffer::getMemBufferCopy(response.GetString(), __FUNCTION__); + } + return llvm::make_error<PacketUnimplementedError>( "Xfer object not supported"); } @@ -2968,18 +2989,18 @@ GDBRemoteCommunicationServerLLGS::Handle_vAttach( "vAttach failed to parse the process id"); // Attempt to attach. - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s attempting to attach to " - "pid %" PRIu64, - __FUNCTION__, pid); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s attempting to attach to " + "pid %" PRIu64, + __FUNCTION__, pid); Status error = AttachToProcess(pid); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed to attach to " - "pid %" PRIu64 ": %s\n", - __FUNCTION__, pid, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed to attach to " + "pid %" PRIu64 ": %s\n", + __FUNCTION__, pid, error.AsCString()); return SendErrorResponse(error); } @@ -2996,10 +3017,10 @@ GDBRemoteCommunicationServerLLGS::Handle_D(StringExtractorGDBRemote &packet) { // Fail if we don't have a current process. if (!m_debugged_process_up || (m_debugged_process_up->GetID() == LLDB_INVALID_PROCESS_ID)) { - if (log) - log->Printf( - "GDBRemoteCommunicationServerLLGS::%s failed, no process available", - __FUNCTION__); + LLDB_LOGF( + log, + "GDBRemoteCommunicationServerLLGS::%s failed, no process available", + __FUNCTION__); return SendErrorResponse(0x15); } @@ -3023,11 +3044,10 @@ GDBRemoteCommunicationServerLLGS::Handle_D(StringExtractorGDBRemote &packet) { const Status error = m_debugged_process_up->Detach(); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed to detach from " - "pid %" PRIu64 ": %s\n", - __FUNCTION__, m_debugged_process_up->GetID(), - error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed to detach from " + "pid %" PRIu64 ": %s\n", + __FUNCTION__, m_debugged_process_up->GetID(), error.AsCString()); return SendErrorResponse(0x01); } @@ -3042,10 +3062,10 @@ GDBRemoteCommunicationServerLLGS::Handle_qThreadStopInfo( packet.SetFilePos(strlen("qThreadStopInfo")); const lldb::tid_t tid = packet.GetHexMaxU32(false, LLDB_INVALID_THREAD_ID); if (tid == LLDB_INVALID_THREAD_ID) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s failed, could not " - "parse thread id from request \"%s\"", - __FUNCTION__, packet.GetStringRef().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s failed, could not " + "parse thread id from request \"%s\"", + __FUNCTION__, packet.GetStringRef().data()); return SendErrorResponse(0x15); } return SendStopReplyPacketForThread(tid); @@ -3064,15 +3084,16 @@ GDBRemoteCommunicationServerLLGS::Handle_jThreadsInfo( StreamString response; const bool threads_with_valid_stop_info_only = false; - JSONArray::SP threads_array_sp = GetJSONThreadsInfo( + llvm::Expected<json::Value> threads_info = GetJSONThreadsInfo( *m_debugged_process_up, threads_with_valid_stop_info_only); - if (!threads_array_sp) { - LLDB_LOG(log, "failed to prepare a packet for pid {0}", - m_debugged_process_up->GetID()); + if (!threads_info) { + LLDB_LOG(log, "failed to prepare a packet for pid {0}: {1}", + m_debugged_process_up->GetID(), + llvm::toString(threads_info.takeError())); return SendErrorResponse(52); } - threads_array_sp->Write(response); + response.AsRawOstream() << *threads_info; StreamGDBRemote escaped_response; escaped_response.PutEscapedBytes(response.GetData(), response.GetSize()); return SendPacketNoLock(escaped_response.GetString()); @@ -3177,15 +3198,15 @@ void GDBRemoteCommunicationServerLLGS::MaybeCloseInferiorTerminalConnection() { connection->Disconnect(&error); if (error.Success()) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s disconnect process " - "terminal stdio - SUCCESS", - __FUNCTION__); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s disconnect process " + "terminal stdio - SUCCESS", + __FUNCTION__); } else { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s disconnect process " - "terminal stdio - FAIL: %s", - __FUNCTION__, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s disconnect process " + "terminal stdio - FAIL: %s", + __FUNCTION__, error.AsCString()); } } } @@ -3215,11 +3236,11 @@ NativeThreadProtocol *GDBRemoteCommunicationServerLLGS::GetThreadFromSuffix( // Parse out the ';'. if (packet.GetBytesLeft() < 1 || packet.GetChar() != ';') { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s gdb-remote parse " - "error: expected ';' prior to start of thread suffix: packet " - "contents = '%s'", - __FUNCTION__, packet.GetStringRef().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s gdb-remote parse " + "error: expected ';' prior to start of thread suffix: packet " + "contents = '%s'", + __FUNCTION__, packet.GetStringRef().data()); return nullptr; } @@ -3228,11 +3249,11 @@ NativeThreadProtocol *GDBRemoteCommunicationServerLLGS::GetThreadFromSuffix( // Parse out thread: portion. if (strncmp(packet.Peek(), "thread:", strlen("thread:")) != 0) { - if (log) - log->Printf("GDBRemoteCommunicationServerLLGS::%s gdb-remote parse " - "error: expected 'thread:' but not found, packet contents = " - "'%s'", - __FUNCTION__, packet.GetStringRef().c_str()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerLLGS::%s gdb-remote parse " + "error: expected 'thread:' but not found, packet contents = " + "'%s'", + __FUNCTION__, packet.GetStringRef().data()); return nullptr; } packet.SetFilePos(packet.GetFilePos() + strlen("thread:")); @@ -3283,3 +3304,28 @@ GDBRemoteCommunicationServerLLGS::FindModuleFile(const std::string &module_path, return GDBRemoteCommunicationServerCommon::FindModuleFile(module_path, arch); } + +std::string GDBRemoteCommunicationServerLLGS::XMLEncodeAttributeValue( + llvm::StringRef value) { + std::string result; + for (const char &c : value) { + switch (c) { + case '\'': + result += "'"; + break; + case '"': + result += """; + break; + case '<': + result += "<"; + break; + case '>': + result += ">"; + break; + default: + result += c; + break; + } + } + return result; +} diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h index 068ea52caaaf0..088ba92ad11ac 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerLLGS.h @@ -196,6 +196,8 @@ protected: llvm::Expected<std::unique_ptr<llvm::MemoryBuffer>> ReadXferObject(llvm::StringRef object, llvm::StringRef annex); + static std::string XMLEncodeAttributeValue(llvm::StringRef value); + private: void HandleInferiorState_Exited(NativeProcessProtocol *process); diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp index 6deb75f2f0211..25cebbba8f7b3 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServerPlatform.cpp @@ -15,8 +15,10 @@ #include <cstring> #include <mutex> #include <sstream> +#include <thread> #include "llvm/Support/FileSystem.h" +#include "llvm/Support/JSON.h" #include "llvm/Support/Threading.h" #include "lldb/Host/Config.h" @@ -26,9 +28,8 @@ #include "lldb/Host/HostInfo.h" #include "lldb/Target/Platform.h" #include "lldb/Target/UnixSignals.h" -#include "lldb/Utility/JSON.h" +#include "lldb/Utility/GDBRemote.h" #include "lldb/Utility/Log.h" -#include "lldb/Utility/StreamGDBRemote.h" #include "lldb/Utility/StreamString.h" #include "lldb/Utility/StructuredData.h" #include "lldb/Utility/UriParser.h" @@ -36,8 +37,8 @@ #include "lldb/Utility/StringExtractorGDBRemote.h" using namespace lldb; -using namespace lldb_private; using namespace lldb_private::process_gdb_remote; +using namespace lldb_private; // GDBRemoteCommunicationServerPlatform constructor GDBRemoteCommunicationServerPlatform::GDBRemoteCommunicationServerPlatform( @@ -104,8 +105,8 @@ Status GDBRemoteCommunicationServerPlatform::LaunchGDBServer( hostname = "127.0.0.1"; Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); - if (log) - log->Printf("Launching debugserver with: %s:%u...", hostname.c_str(), port); + LLDB_LOGF(log, "Launching debugserver with: %s:%u...", hostname.c_str(), + port); // Do not run in a new session so that it can not linger after the platform // closes. @@ -161,9 +162,8 @@ GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer( // process... Log *log(GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PLATFORM)); - if (log) - log->Printf("GDBRemoteCommunicationServerPlatform::%s() called", - __FUNCTION__); + LLDB_LOGF(log, "GDBRemoteCommunicationServerPlatform::%s() called", + __FUNCTION__); ConnectionFileDescriptor file_conn; std::string hostname; @@ -183,17 +183,17 @@ GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer( Status error = LaunchGDBServer(Args(), hostname, debugserver_pid, port, socket_name); if (error.Fail()) { - if (log) - log->Printf("GDBRemoteCommunicationServerPlatform::%s() debugserver " - "launch failed: %s", - __FUNCTION__, error.AsCString()); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerPlatform::%s() debugserver " + "launch failed: %s", + __FUNCTION__, error.AsCString()); return SendErrorResponse(9); } - if (log) - log->Printf("GDBRemoteCommunicationServerPlatform::%s() debugserver " - "launched successfully as pid %" PRIu64, - __FUNCTION__, debugserver_pid); + LLDB_LOGF(log, + "GDBRemoteCommunicationServerPlatform::%s() debugserver " + "launched successfully as pid %" PRIu64, + __FUNCTION__, debugserver_pid); StreamGDBRemote response; response.Printf("pid:%" PRIu64 ";port:%u;", debugserver_pid, @@ -215,22 +215,21 @@ GDBRemoteCommunicationServerPlatform::Handle_qLaunchGDBServer( GDBRemoteCommunication::PacketResult GDBRemoteCommunicationServerPlatform::Handle_qQueryGDBServer( StringExtractorGDBRemote &packet) { + namespace json = llvm::json; + if (m_pending_gdb_server.pid == LLDB_INVALID_PROCESS_ID) return SendErrorResponse(4); - JSONObject::SP server_sp = std::make_shared<JSONObject>(); - server_sp->SetObject("port", - std::make_shared<JSONNumber>(m_pending_gdb_server.port)); + json::Object server{{"port", m_pending_gdb_server.port}}; + if (!m_pending_gdb_server.socket_name.empty()) - server_sp->SetObject( - "socket_name", - std::make_shared<JSONString>(m_pending_gdb_server.socket_name.c_str())); + server.try_emplace("socket_name", m_pending_gdb_server.socket_name); - JSONArray server_list; - server_list.AppendObject(server_sp); + json::Array server_list; + server_list.push_back(std::move(server)); StreamGDBRemote response; - server_list.Write(response); + response.AsRawOstream() << std::move(server_list); StreamGDBRemote escaped_response; escaped_response.PutEscapedBytes(response.GetString().data(), @@ -281,10 +280,9 @@ bool GDBRemoteCommunicationServerPlatform::KillSpawnedProcess(lldb::pid_t pid) { return true; } } - usleep(10000); + std::this_thread::sleep_for(std::chrono::milliseconds(10)); } - // check one more time after the final usleep { std::lock_guard<std::recursive_mutex> guard(m_spawned_pids_mutex); if (m_spawned_pids.find(pid) == m_spawned_pids.end()) @@ -303,10 +301,10 @@ bool GDBRemoteCommunicationServerPlatform::KillSpawnedProcess(lldb::pid_t pid) { return true; } } - usleep(10000); + std::this_thread::sleep_for(std::chrono::milliseconds(10)); } - // check one more time after the final usleep Scope for locker + // check one more time after the final sleep { std::lock_guard<std::recursive_mutex> guard(m_spawned_pids_mutex); if (m_spawned_pids.find(pid) == m_spawned_pids.end()) diff --git a/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp b/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp index a77e659a55fa2..c06c9527708ed 100644 --- a/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp +++ b/source/Plugins/Process/gdb-remote/GDBRemoteRegisterContext.cpp @@ -206,11 +206,14 @@ bool GDBRemoteRegisterContext::ReadRegisterBytes(const RegisterInfo *reg_info, } else { Log *log(ProcessGDBRemoteLog::GetLogIfAnyCategoryIsSet(GDBR_LOG_THREAD | GDBR_LOG_PACKETS)); - if (log) - log->Printf ("error: GDBRemoteRegisterContext::ReadRegisterBytes tried to read the " - "entire register context at once, expected at least %" PRId64 " bytes " - "but only got %" PRId64 " bytes.", m_reg_data.GetByteSize(), - buffer_sp->GetByteSize()); + LLDB_LOGF( + log, + "error: GDBRemoteRegisterContext::ReadRegisterBytes tried " + "to read the " + "entire register context at once, expected at least %" PRId64 + " bytes " + "but only got %" PRId64 " bytes.", + m_reg_data.GetByteSize(), buffer_sp->GetByteSize()); } } return false; @@ -390,13 +393,15 @@ bool GDBRemoteRegisterContext::WriteRegisterBytes(const RegisterInfo *reg_info, if (log->GetVerbose()) { StreamString strm; gdb_comm.DumpHistory(strm); - log->Printf("error: failed to get packet sequence mutex, not sending " - "write register for \"%s\":\n%s", - reg_info->name, strm.GetData()); + LLDB_LOGF(log, + "error: failed to get packet sequence mutex, not sending " + "write register for \"%s\":\n%s", + reg_info->name, strm.GetData()); } else - log->Printf("error: failed to get packet sequence mutex, not sending " - "write register for \"%s\"", - reg_info->name); + LLDB_LOGF(log, + "error: failed to get packet sequence mutex, not sending " + "write register for \"%s\"", + reg_info->name); } } } @@ -494,12 +499,14 @@ bool GDBRemoteRegisterContext::ReadAllRegisterValues( if (log->GetVerbose()) { StreamString strm; gdb_comm.DumpHistory(strm); - log->Printf("error: failed to get packet sequence mutex, not sending " - "read all registers:\n%s", - strm.GetData()); + LLDB_LOGF(log, + "error: failed to get packet sequence mutex, not sending " + "read all registers:\n%s", + strm.GetData()); } else - log->Printf("error: failed to get packet sequence mutex, not sending " - "read all registers"); + LLDB_LOGF(log, + "error: failed to get packet sequence mutex, not sending " + "read all registers"); } } @@ -630,7 +637,9 @@ bool GDBRemoteRegisterContext::WriteAllRegisterValues( if (m_thread.GetProcess().get()) { const ArchSpec &arch = m_thread.GetProcess()->GetTarget().GetArchitecture(); - if (arch.IsValid() && arch.GetMachine() == llvm::Triple::aarch64 && + if (arch.IsValid() && + (arch.GetMachine() == llvm::Triple::aarch64 || + arch.GetMachine() == llvm::Triple::aarch64_32) && arch.GetTriple().getVendor() == llvm::Triple::Apple && arch.GetTriple().getOS() == llvm::Triple::IOS) { arm64_debugserver = true; @@ -667,12 +676,14 @@ bool GDBRemoteRegisterContext::WriteAllRegisterValues( if (log->GetVerbose()) { StreamString strm; gdb_comm.DumpHistory(strm); - log->Printf("error: failed to get packet sequence mutex, not sending " - "write all registers:\n%s", - strm.GetData()); + LLDB_LOGF(log, + "error: failed to get packet sequence mutex, not sending " + "write all registers:\n%s", + strm.GetData()); } else - log->Printf("error: failed to get packet sequence mutex, not sending " - "write all registers"); + LLDB_LOGF(log, + "error: failed to get packet sequence mutex, not sending " + "write all registers"); } } return false; diff --git a/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp b/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp index a6fdd8dd07070..f1762abc55f82 100644 --- a/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp +++ b/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp @@ -63,7 +63,6 @@ #include "lldb/Target/TargetList.h" #include "lldb/Target/ThreadPlanCallFunction.h" #include "lldb/Utility/Args.h" -#include "lldb/Utility/CleanUp.h" #include "lldb/Utility/FileSpec.h" #include "lldb/Utility/Reproducer.h" #include "lldb/Utility/State.h" @@ -81,12 +80,12 @@ #include "lldb/Host/Host.h" #include "lldb/Utility/StringExtractorGDBRemote.h" +#include "llvm/ADT/ScopeExit.h" #include "llvm/ADT/StringSwitch.h" #include "llvm/Support/Threading.h" #include "llvm/Support/raw_ostream.h" #define DEBUGSERVER_BASENAME "debugserver" -using namespace llvm; using namespace lldb; using namespace lldb_private; using namespace lldb_private::process_gdb_remote; @@ -99,51 +98,25 @@ namespace lldb { // namespace. This allows you to attach with a debugger and call this function // and get the packet history dumped to a file. void DumpProcessGDBRemotePacketHistory(void *p, const char *path) { - StreamFile strm; - Status error = FileSystem::Instance().Open(strm.GetFile(), FileSpec(path), - File::eOpenOptionWrite | - File::eOpenOptionCanCreate); - if (error.Success()) - ((ProcessGDBRemote *)p)->GetGDBRemote().DumpHistory(strm); + auto file = FileSystem::Instance().Open( + FileSpec(path), File::eOpenOptionWrite | File::eOpenOptionCanCreate); + if (!file) { + llvm::consumeError(file.takeError()); + return; + } + StreamFile stream(std::move(file.get())); + ((ProcessGDBRemote *)p)->GetGDBRemote().DumpHistory(stream); } } // namespace lldb namespace { -static constexpr PropertyDefinition g_properties[] = { - {"packet-timeout", - OptionValue::eTypeUInt64, - true, - 5 -#if defined(__has_feature) -#if __has_feature(address_sanitizer) - * 2 -#endif -#endif - , - nullptr, - {}, - "Specify the default packet timeout in seconds."}, - {"target-definition-file", - OptionValue::eTypeFileSpec, - true, - 0, - nullptr, - {}, - "The file that provides the description for remote target registers."}, - {"use-libraries-svr4", - OptionValue::eTypeBoolean, - true, - false, - nullptr, - {}, - "If true, the libraries-svr4 feature will be used to get a hold of the " - "process's loaded modules."}}; +#define LLDB_PROPERTIES_processgdbremote +#include "ProcessGDBRemoteProperties.inc" enum { - ePropertyPacketTimeout, - ePropertyTargetDefinitionFile, - ePropertyUseSVR4 +#define LLDB_PROPERTIES_processgdbremote +#include "ProcessGDBRemotePropertiesEnum.inc" }; class PluginProperties : public Properties { @@ -154,7 +127,7 @@ public: PluginProperties() : Properties() { m_collection_sp = std::make_shared<OptionValueProperties>(GetSettingName()); - m_collection_sp->Initialize(g_properties); + m_collection_sp->Initialize(g_processgdbremote_properties); } ~PluginProperties() override {} @@ -162,7 +135,7 @@ public: uint64_t GetPacketTimeout() { const uint32_t idx = ePropertyPacketTimeout; return m_collection_sp->GetPropertyAtIndexAsUInt64( - nullptr, idx, g_properties[idx].default_uint_value); + nullptr, idx, g_processgdbremote_properties[idx].default_uint_value); } bool SetPacketTimeout(uint64_t timeout) { @@ -178,7 +151,8 @@ public: bool GetUseSVR4() const { const uint32_t idx = ePropertyUseSVR4; return m_collection_sp->GetPropertyAtIndexAsBoolean( - nullptr, idx, g_properties[idx].default_uint_value != 0); + nullptr, idx, + g_processgdbremote_properties[idx].default_uint_value != 0); } }; @@ -191,45 +165,6 @@ static const ProcessKDPPropertiesSP &GetGlobalPluginProperties() { return g_settings_sp; } -class ProcessGDBRemoteProvider - : public repro::Provider<ProcessGDBRemoteProvider> { -public: - struct Info { - static const char *name; - static const char *file; - }; - - ProcessGDBRemoteProvider(const FileSpec &directory) : Provider(directory) { - } - - raw_ostream *GetHistoryStream() { - FileSpec history_file = GetRoot().CopyByAppendingPathComponent(Info::file); - - std::error_code EC; - m_stream_up = llvm::make_unique<raw_fd_ostream>(history_file.GetPath(), EC, - sys::fs::OpenFlags::F_Text); - return m_stream_up.get(); - } - - void SetCallback(std::function<void()> callback) { - m_callback = std::move(callback); - } - - void Keep() override { m_callback(); } - - void Discard() override { m_callback(); } - - static char ID; - -private: - std::function<void()> m_callback; - std::unique_ptr<raw_fd_ostream> m_stream_up; -}; - -char ProcessGDBRemoteProvider::ID = 0; -const char *ProcessGDBRemoteProvider::Info::name = "gdb-remote"; -const char *ProcessGDBRemoteProvider::Info::file = "gdb-remote.yaml"; - } // namespace // TODO Randomly assigning a port is unsafe. We should get an unused @@ -339,8 +274,8 @@ ProcessGDBRemote::ProcessGDBRemote(lldb::TargetSP target_sp, "async thread did exit"); if (repro::Generator *g = repro::Reproducer::Instance().GetGenerator()) { - ProcessGDBRemoteProvider &provider = - g->GetOrCreate<ProcessGDBRemoteProvider>(); + repro::ProcessGDBRemoteProvider &provider = + g->GetOrCreate<repro::ProcessGDBRemoteProvider>(); // Set the history stream to the stream owned by the provider. m_gdb_comm.SetHistoryStream(provider.GetHistoryStream()); // Make sure to clear the stream again when we're finished. @@ -354,10 +289,10 @@ ProcessGDBRemote::ProcessGDBRemote(lldb::TargetSP target_sp, if (m_async_listener_sp->StartListeningForEvents( &m_async_broadcaster, async_event_mask) != async_event_mask) { - if (log) - log->Printf("ProcessGDBRemote::%s failed to listen for " - "m_async_broadcaster events", - __FUNCTION__); + LLDB_LOGF(log, + "ProcessGDBRemote::%s failed to listen for " + "m_async_broadcaster events", + __FUNCTION__); } const uint32_t gdb_event_mask = @@ -365,9 +300,9 @@ ProcessGDBRemote::ProcessGDBRemote(lldb::TargetSP target_sp, GDBRemoteCommunication::eBroadcastBitGdbReadThreadGotNotify; if (m_async_listener_sp->StartListeningForEvents( &m_gdb_comm, gdb_event_mask) != gdb_event_mask) { - if (log) - log->Printf("ProcessGDBRemote::%s failed to listen for m_gdb_comm events", - __FUNCTION__); + LLDB_LOGF(log, + "ProcessGDBRemote::%s failed to listen for m_gdb_comm events", + __FUNCTION__); } const uint64_t timeout_seconds = @@ -785,15 +720,15 @@ Status ProcessGDBRemote::DoConnectRemote(Stream *strm, pid, remote_url.str().c_str()); } - if (log) - log->Printf("ProcessGDBRemote::%s pid %" PRIu64 - ": normalizing target architecture initial triple: %s " - "(GetTarget().GetArchitecture().IsValid() %s, " - "m_gdb_comm.GetHostArchitecture().IsValid(): %s)", - __FUNCTION__, GetID(), - GetTarget().GetArchitecture().GetTriple().getTriple().c_str(), - GetTarget().GetArchitecture().IsValid() ? "true" : "false", - m_gdb_comm.GetHostArchitecture().IsValid() ? "true" : "false"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s pid %" PRIu64 + ": normalizing target architecture initial triple: %s " + "(GetTarget().GetArchitecture().IsValid() %s, " + "m_gdb_comm.GetHostArchitecture().IsValid(): %s)", + __FUNCTION__, GetID(), + GetTarget().GetArchitecture().GetTriple().getTriple().c_str(), + GetTarget().GetArchitecture().IsValid() ? "true" : "false", + m_gdb_comm.GetHostArchitecture().IsValid() ? "true" : "false"); if (error.Success() && !GetTarget().GetArchitecture().IsValid() && m_gdb_comm.GetHostArchitecture().IsValid()) { @@ -805,11 +740,11 @@ Status ProcessGDBRemote::DoConnectRemote(Stream *strm, GetTarget().SetArchitecture(m_gdb_comm.GetHostArchitecture()); } - if (log) - log->Printf("ProcessGDBRemote::%s pid %" PRIu64 - ": normalized target architecture triple: %s", - __FUNCTION__, GetID(), - GetTarget().GetArchitecture().GetTriple().getTriple().c_str()); + LLDB_LOGF(log, + "ProcessGDBRemote::%s pid %" PRIu64 + ": normalized target architecture triple: %s", + __FUNCTION__, GetID(), + GetTarget().GetArchitecture().GetTriple().getTriple().c_str()); if (error.Success()) { PlatformSP platform_sp = GetTarget().GetPlatform(); @@ -834,8 +769,7 @@ Status ProcessGDBRemote::DoLaunch(lldb_private::Module *exe_module, Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); Status error; - if (log) - log->Printf("ProcessGDBRemote::%s() entered", __FUNCTION__); + LLDB_LOGF(log, "ProcessGDBRemote::%s() entered", __FUNCTION__); uint32_t launch_flags = launch_info.GetFlags().Get(); FileSpec stdin_file_spec{}; @@ -862,15 +796,17 @@ Status ProcessGDBRemote::DoLaunch(lldb_private::Module *exe_module, if (log) { if (stdin_file_spec || stdout_file_spec || stderr_file_spec) - log->Printf("ProcessGDBRemote::%s provided with STDIO paths via " - "launch_info: stdin=%s, stdout=%s, stderr=%s", - __FUNCTION__, - stdin_file_spec ? stdin_file_spec.GetCString() : "<null>", - stdout_file_spec ? stdout_file_spec.GetCString() : "<null>", - stderr_file_spec ? stderr_file_spec.GetCString() : "<null>"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s provided with STDIO paths via " + "launch_info: stdin=%s, stdout=%s, stderr=%s", + __FUNCTION__, + stdin_file_spec ? stdin_file_spec.GetCString() : "<null>", + stdout_file_spec ? stdout_file_spec.GetCString() : "<null>", + stderr_file_spec ? stderr_file_spec.GetCString() : "<null>"); else - log->Printf("ProcessGDBRemote::%s no STDIO paths given via launch_info", - __FUNCTION__); + LLDB_LOGF(log, + "ProcessGDBRemote::%s no STDIO paths given via launch_info", + __FUNCTION__); } const bool disable_stdio = (launch_flags & eLaunchFlagDisableSTDIO) != 0; @@ -925,24 +861,23 @@ Status ProcessGDBRemote::DoLaunch(lldb_private::Module *exe_module, if (!stderr_file_spec) stderr_file_spec = slave_name; } - if (log) - log->Printf( - "ProcessGDBRemote::%s adjusted STDIO paths for local platform " - "(IsHost() is true) using slave: stdin=%s, stdout=%s, stderr=%s", - __FUNCTION__, - stdin_file_spec ? stdin_file_spec.GetCString() : "<null>", - stdout_file_spec ? stdout_file_spec.GetCString() : "<null>", - stderr_file_spec ? stderr_file_spec.GetCString() : "<null>"); + LLDB_LOGF( + log, + "ProcessGDBRemote::%s adjusted STDIO paths for local platform " + "(IsHost() is true) using slave: stdin=%s, stdout=%s, stderr=%s", + __FUNCTION__, + stdin_file_spec ? stdin_file_spec.GetCString() : "<null>", + stdout_file_spec ? stdout_file_spec.GetCString() : "<null>", + stderr_file_spec ? stderr_file_spec.GetCString() : "<null>"); } - if (log) - log->Printf("ProcessGDBRemote::%s final STDIO paths after all " - "adjustments: stdin=%s, stdout=%s, stderr=%s", - __FUNCTION__, - stdin_file_spec ? stdin_file_spec.GetCString() : "<null>", - stdout_file_spec ? stdout_file_spec.GetCString() : "<null>", - stderr_file_spec ? stderr_file_spec.GetCString() - : "<null>"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s final STDIO paths after all " + "adjustments: stdin=%s, stdout=%s, stderr=%s", + __FUNCTION__, + stdin_file_spec ? stdin_file_spec.GetCString() : "<null>", + stdout_file_spec ? stdout_file_spec.GetCString() : "<null>", + stderr_file_spec ? stderr_file_spec.GetCString() : "<null>"); if (stdin_file_spec) m_gdb_comm.SetSTDIN(stdin_file_spec); @@ -988,9 +923,8 @@ Status ProcessGDBRemote::DoLaunch(lldb_private::Module *exe_module, } if (GetID() == LLDB_INVALID_PROCESS_ID) { - if (log) - log->Printf("failed to connect to debugserver: %s", - error.AsCString()); + LLDB_LOGF(log, "failed to connect to debugserver: %s", + error.AsCString()); KillDebugserverProcess(); return error; } @@ -1020,8 +954,7 @@ Status ProcessGDBRemote::DoLaunch(lldb_private::Module *exe_module, } } } else { - if (log) - log->Printf("failed to connect to debugserver: %s", error.AsCString()); + LLDB_LOGF(log, "failed to connect to debugserver: %s", error.AsCString()); } } else { // Set our user ID to an invalid process ID. @@ -1040,9 +973,8 @@ Status ProcessGDBRemote::ConnectToDebugserver(llvm::StringRef connect_url) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); if (!connect_url.empty()) { - if (log) - log->Printf("ProcessGDBRemote::%s Connecting to %s", __FUNCTION__, - connect_url.str().c_str()); + LLDB_LOGF(log, "ProcessGDBRemote::%s Connecting to %s", __FUNCTION__, + connect_url.str().c_str()); std::unique_ptr<ConnectionFileDescriptor> conn_up( new ConnectionFileDescriptor()); if (conn_up) { @@ -1062,7 +994,7 @@ Status ProcessGDBRemote::ConnectToDebugserver(llvm::StringRef connect_url) { if (retry_count >= max_retry_count) break; - usleep(100000); + std::this_thread::sleep_for(std::chrono::milliseconds(100)); } } } @@ -1116,8 +1048,7 @@ Status ProcessGDBRemote::ConnectToDebugserver(llvm::StringRef connect_url) { void ProcessGDBRemote::DidLaunchOrAttach(ArchSpec &process_arch) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::%s()", __FUNCTION__); + LLDB_LOGF(log, "ProcessGDBRemote::%s()", __FUNCTION__); if (GetID() != LLDB_INVALID_PROCESS_ID) { BuildDynamicRegisterInfo(false); @@ -1130,43 +1061,42 @@ void ProcessGDBRemote::DidLaunchOrAttach(ArchSpec &process_arch) { const ArchSpec &remote_process_arch = m_gdb_comm.GetProcessArchitecture(); if (remote_process_arch.IsValid()) { process_arch = remote_process_arch; - if (log) - log->Printf("ProcessGDBRemote::%s gdb-remote had process architecture, " - "using %s %s", - __FUNCTION__, - process_arch.GetArchitectureName() - ? process_arch.GetArchitectureName() - : "<null>", - process_arch.GetTriple().getTriple().c_str() - ? process_arch.GetTriple().getTriple().c_str() - : "<null>"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s gdb-remote had process architecture, " + "using %s %s", + __FUNCTION__, + process_arch.GetArchitectureName() + ? process_arch.GetArchitectureName() + : "<null>", + process_arch.GetTriple().getTriple().c_str() + ? process_arch.GetTriple().getTriple().c_str() + : "<null>"); } else { process_arch = m_gdb_comm.GetHostArchitecture(); - if (log) - log->Printf("ProcessGDBRemote::%s gdb-remote did not have process " - "architecture, using gdb-remote host architecture %s %s", - __FUNCTION__, - process_arch.GetArchitectureName() - ? process_arch.GetArchitectureName() - : "<null>", - process_arch.GetTriple().getTriple().c_str() - ? process_arch.GetTriple().getTriple().c_str() - : "<null>"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s gdb-remote did not have process " + "architecture, using gdb-remote host architecture %s %s", + __FUNCTION__, + process_arch.GetArchitectureName() + ? process_arch.GetArchitectureName() + : "<null>", + process_arch.GetTriple().getTriple().c_str() + ? process_arch.GetTriple().getTriple().c_str() + : "<null>"); } if (process_arch.IsValid()) { const ArchSpec &target_arch = GetTarget().GetArchitecture(); if (target_arch.IsValid()) { - if (log) - log->Printf( - "ProcessGDBRemote::%s analyzing target arch, currently %s %s", - __FUNCTION__, - target_arch.GetArchitectureName() - ? target_arch.GetArchitectureName() - : "<null>", - target_arch.GetTriple().getTriple().c_str() - ? target_arch.GetTriple().getTriple().c_str() - : "<null>"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s analyzing target arch, currently %s %s", + __FUNCTION__, + target_arch.GetArchitectureName() + ? target_arch.GetArchitectureName() + : "<null>", + target_arch.GetTriple().getTriple().c_str() + ? target_arch.GetTriple().getTriple().c_str() + : "<null>"); // If the remote host is ARM and we have apple as the vendor, then // ARM executables and shared libraries can have mixed ARM @@ -1180,16 +1110,16 @@ void ProcessGDBRemote::DidLaunchOrAttach(ArchSpec &process_arch) { process_arch.GetMachine() == llvm::Triple::thumb) && process_arch.GetTriple().getVendor() == llvm::Triple::Apple) { GetTarget().SetArchitecture(process_arch); - if (log) - log->Printf("ProcessGDBRemote::%s remote process is ARM/Apple, " - "setting target arch to %s %s", - __FUNCTION__, - process_arch.GetArchitectureName() - ? process_arch.GetArchitectureName() - : "<null>", - process_arch.GetTriple().getTriple().c_str() - ? process_arch.GetTriple().getTriple().c_str() - : "<null>"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s remote process is ARM/Apple, " + "setting target arch to %s %s", + __FUNCTION__, + process_arch.GetArchitectureName() + ? process_arch.GetArchitectureName() + : "<null>", + process_arch.GetTriple().getTriple().c_str() + ? process_arch.GetTriple().getTriple().c_str() + : "<null>"); } else { // Fill in what is missing in the triple const llvm::Triple &remote_triple = process_arch.GetTriple(); @@ -1211,16 +1141,16 @@ void ProcessGDBRemote::DidLaunchOrAttach(ArchSpec &process_arch) { } } - if (log) - log->Printf("ProcessGDBRemote::%s final target arch after " - "adjustments for remote architecture: %s %s", - __FUNCTION__, - target_arch.GetArchitectureName() - ? target_arch.GetArchitectureName() - : "<null>", - target_arch.GetTriple().getTriple().c_str() - ? target_arch.GetTriple().getTriple().c_str() - : "<null>"); + LLDB_LOGF(log, + "ProcessGDBRemote::%s final target arch after " + "adjustments for remote architecture: %s %s", + __FUNCTION__, + target_arch.GetArchitectureName() + ? target_arch.GetArchitectureName() + : "<null>", + target_arch.GetTriple().getTriple().c_str() + ? target_arch.GetTriple().getTriple().c_str() + : "<null>"); } else { // The target doesn't have a valid architecture yet, set it from the // architecture we got from the remote GDB server @@ -1247,8 +1177,7 @@ Status ProcessGDBRemote::DoAttachToProcessWithID( Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); Status error; - if (log) - log->Printf("ProcessGDBRemote::%s()", __FUNCTION__); + LLDB_LOGF(log, "ProcessGDBRemote::%s()", __FUNCTION__); // Clear out and clean up from any current state Clear(); @@ -1359,8 +1288,7 @@ Status ProcessGDBRemote::WillResume() { Status ProcessGDBRemote::DoResume() { Status error; Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::Resume()"); + LLDB_LOGF(log, "ProcessGDBRemote::Resume()"); ListenerSP listener_sp( Listener::MakeListener("gdb-remote.resume-packet-sent")); @@ -1547,9 +1475,8 @@ Status ProcessGDBRemote::DoResume() { EventSP event_sp; if (!m_async_thread.IsJoinable()) { error.SetErrorString("Trying to resume but the async thread is dead."); - if (log) - log->Printf("ProcessGDBRemote::DoResume: Trying to resume but the " - "async thread is dead."); + LLDB_LOGF(log, "ProcessGDBRemote::DoResume: Trying to resume but the " + "async thread is dead."); return error; } @@ -1560,14 +1487,13 @@ Status ProcessGDBRemote::DoResume() { if (!listener_sp->GetEvent(event_sp, std::chrono::seconds(5))) { error.SetErrorString("Resume timed out."); - if (log) - log->Printf("ProcessGDBRemote::DoResume: Resume timed out."); + LLDB_LOGF(log, "ProcessGDBRemote::DoResume: Resume timed out."); } else if (event_sp->BroadcasterIs(&m_async_broadcaster)) { error.SetErrorString("Broadcast continue, but the async thread was " "killed before we got an ack back."); - if (log) - log->Printf("ProcessGDBRemote::DoResume: Broadcast continue, but the " - "async thread was killed before we got an ack back."); + LLDB_LOGF(log, + "ProcessGDBRemote::DoResume: Broadcast continue, but the " + "async thread was killed before we got an ack back."); return error; } } @@ -1864,8 +1790,7 @@ ThreadSP ProcessGDBRemote::SetThreadStopInfo( } for (const auto &pair : expedited_register_map) { - StringExtractor reg_value_extractor; - reg_value_extractor.GetStringRef() = pair.second; + StringExtractor reg_value_extractor(pair.second); DataBufferSP buffer_sp(new DataBufferHeap( reg_value_extractor.GetStringRef().size() / 2, 0)); reg_value_extractor.GetHexBytes(buffer_sp->GetData(), '\xcc'); @@ -1979,8 +1904,7 @@ ThreadSP ProcessGDBRemote::SetThreadStopInfo( if (watch_id == LLDB_INVALID_WATCH_ID) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet( GDBR_LOG_WATCHPOINTS)); - if (log) - log->Printf("failed to find watchpoint"); + LLDB_LOGF(log, "failed to find watchpoint"); } thread_sp->SetStopInfo(StopInfo::CreateStopReasonWithWatchpointID( *thread_sp, watch_id, wp_hit_addr)); @@ -2400,7 +2324,12 @@ StateType ProcessGDBRemote::SetThreadStopInfo(StringExtractor &stop_packet) { ostr.Printf("%" PRIu64 " %" PRIu32, wp_addr, wp_index); description = ostr.GetString(); } else if (key.compare("library") == 0) { - LoadModules(); + auto error = LoadModules(); + if (error) { + Log *log( + ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); + LLDB_LOG_ERROR(log, std::move(error), "Failed to load modules: {0}"); + } } else if (key.size() == 2 && ::isxdigit(key[0]) && ::isxdigit(key[1])) { uint32_t reg = UINT32_MAX; if (!key.getAsInteger(16, reg)) @@ -2474,7 +2403,7 @@ void ProcessGDBRemote::RefreshStateAfterStop() { // Clear the thread stop stack m_stop_packet_stack.clear(); } - + // If we have queried for a default thread id if (m_initial_tid != LLDB_INVALID_THREAD_ID) { m_thread_list.SetSelectedThreadByID(m_initial_tid); @@ -2501,8 +2430,7 @@ Status ProcessGDBRemote::DoHalt(bool &caused_stop) { Status ProcessGDBRemote::DoDetach(bool keep_stopped) { Status error; Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::DoDetach(keep_stopped: %i)", keep_stopped); + LLDB_LOGF(log, "ProcessGDBRemote::DoDetach(keep_stopped: %i)", keep_stopped); error = m_gdb_comm.Detach(keep_stopped); if (log) { @@ -2510,8 +2438,9 @@ Status ProcessGDBRemote::DoDetach(bool keep_stopped) { log->PutCString( "ProcessGDBRemote::DoDetach() detach packet sent successfully"); else - log->Printf("ProcessGDBRemote::DoDetach() detach packet send failed: %s", - error.AsCString() ? error.AsCString() : "<unknown error>"); + LLDB_LOGF(log, + "ProcessGDBRemote::DoDetach() detach packet send failed: %s", + error.AsCString() ? error.AsCString() : "<unknown error>"); } if (!error.Success()) @@ -2530,8 +2459,7 @@ Status ProcessGDBRemote::DoDetach(bool keep_stopped) { Status ProcessGDBRemote::DoDestroy() { Status error; Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::DoDestroy()"); + LLDB_LOGF(log, "ProcessGDBRemote::DoDestroy()"); // There is a bug in older iOS debugservers where they don't shut down the // process they are debugging properly. If the process is sitting at a @@ -2586,11 +2514,11 @@ Status ProcessGDBRemote::DoDestroy() { reason = stop_info_sp->GetStopReason(); if (reason == eStopReasonBreakpoint || reason == eStopReasonException) { - if (log) - log->Printf( - "ProcessGDBRemote::DoDestroy() - thread: 0x%4.4" PRIx64 - " stopped with reason: %s.", - thread_sp->GetProtocolID(), stop_info_sp->GetDescription()); + LLDB_LOGF(log, + "ProcessGDBRemote::DoDestroy() - thread: 0x%4.4" PRIx64 + " stopped with reason: %s.", + thread_sp->GetProtocolID(), + stop_info_sp->GetDescription()); stop_looks_like_crash = true; break; } @@ -2622,10 +2550,10 @@ Status ProcessGDBRemote::DoDestroy() { reason = stop_info_sp->GetStopReason(); if (reason != eStopReasonBreakpoint && reason != eStopReasonException) { - if (log) - log->Printf("ProcessGDBRemote::DoDestroy() - Suspending " - "thread: 0x%4.4" PRIx64 " before running.", - thread_sp->GetProtocolID()); + LLDB_LOGF(log, + "ProcessGDBRemote::DoDestroy() - Suspending " + "thread: 0x%4.4" PRIx64 " before running.", + thread_sp->GetProtocolID()); thread_sp->SetResumeState(eStateSuspended); } } @@ -2669,30 +2597,28 @@ Status ProcessGDBRemote::DoDestroy() { int status; ::pid_t reap_pid; reap_pid = waitpid(GetID(), &status, WNOHANG); - if (log) - log->Printf("Reaped pid: %d, status: %d.\n", reap_pid, status); + LLDB_LOGF(log, "Reaped pid: %d, status: %d.\n", reap_pid, status); } #endif SetLastStopPacket(response); ClearThreadIDList(); exit_status = response.GetHexU8(); } else { - if (log) - log->Printf("ProcessGDBRemote::DoDestroy - got unexpected response " - "to k packet: %s", - response.GetStringRef().c_str()); + LLDB_LOGF(log, + "ProcessGDBRemote::DoDestroy - got unexpected response " + "to k packet: %s", + response.GetStringRef().data()); exit_string.assign("got unexpected response to k packet: "); exit_string.append(response.GetStringRef()); } } else { - if (log) - log->Printf("ProcessGDBRemote::DoDestroy - failed to send k packet"); + LLDB_LOGF(log, "ProcessGDBRemote::DoDestroy - failed to send k packet"); exit_string.assign("failed to send the k packet"); } } else { - if (log) - log->Printf("ProcessGDBRemote::DoDestroy - killed or interrupted while " - "attaching"); + LLDB_LOGF(log, + "ProcessGDBRemote::DoDestroy - killed or interrupted while " + "attaching"); exit_string.assign("killed or interrupted while attaching."); } } else { @@ -2715,8 +2641,7 @@ void ProcessGDBRemote::SetLastStopPacket( response.GetStringRef().find(";reason:exec;") != std::string::npos; if (did_exec) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::SetLastStopPacket () - detected exec"); + LLDB_LOGF(log, "ProcessGDBRemote::SetLastStopPacket () - detected exec"); m_thread_list_real.Clear(); m_thread_list.Clear(); @@ -2756,9 +2681,13 @@ addr_t ProcessGDBRemote::GetImageInfoAddress() { // the loaded module list can also provides a link map address if (addr == LLDB_INVALID_ADDRESS) { - LoadedModuleInfoList list; - if (GetLoadedModuleList(list).Success()) - addr = list.m_link_map; + llvm::Expected<LoadedModuleInfoList> list = GetLoadedModuleList(); + if (!list) { + Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); + LLDB_LOG_ERROR(log, list.takeError(), "Failed to read module list: {0}"); + } else { + addr = list->m_link_map; + } } return addr; @@ -2840,7 +2769,7 @@ size_t ProcessGDBRemote::DoReadMemory(addr_t addr, void *buf, size_t size, else error.SetErrorStringWithFormat( "unexpected response to GDB server memory read packet '%s': '%s'", - packet, response.GetStringRef().c_str()); + packet, response.GetStringRef().data()); } else { error.SetErrorStringWithFormat("failed to send packet: '%s'", packet); } @@ -2950,7 +2879,7 @@ Status ProcessGDBRemote::FlashErase(lldb::addr_t addr, size_t size) { else status.SetErrorStringWithFormat( "unexpected response to GDB server flash erase packet '%s': '%s'", - packet.GetData(), response.GetStringRef().c_str()); + packet.GetData(), response.GetStringRef().data()); } } else { status.SetErrorStringWithFormat("failed to send packet: '%s'", @@ -2978,7 +2907,7 @@ Status ProcessGDBRemote::FlashDone() { else status.SetErrorStringWithFormat( "unexpected response to GDB server flash done packet: '%s'", - response.GetStringRef().c_str()); + response.GetStringRef().data()); } } else { status.SetErrorStringWithFormat("failed to send flash done packet"); @@ -3041,7 +2970,7 @@ size_t ProcessGDBRemote::DoWriteMemory(addr_t addr, const void *buf, else error.SetErrorStringWithFormat( "unexpected response to GDB server memory write packet '%s': '%s'", - packet.GetData(), response.GetStringRef().c_str()); + packet.GetData(), response.GetStringRef().data()); } else { error.SetErrorStringWithFormat("failed to send packet: '%s'", packet.GetData()); @@ -3078,11 +3007,11 @@ lldb::addr_t ProcessGDBRemote::DoAllocateMemory(size_t size, m_addr_to_mmap_size[allocated_addr] = size; else { allocated_addr = LLDB_INVALID_ADDRESS; - if (log) - log->Printf("ProcessGDBRemote::%s no direct stub support for memory " - "allocation, and InferiorCallMmap also failed - is stub " - "missing register context save/restore capability?", - __FUNCTION__); + LLDB_LOGF(log, + "ProcessGDBRemote::%s no direct stub support for memory " + "allocation, and InferiorCallMmap also failed - is stub " + "missing register context save/restore capability?", + __FUNCTION__); } } @@ -3173,17 +3102,17 @@ Status ProcessGDBRemote::EnableBreakpointSite(BreakpointSite *bp_site) { const addr_t addr = bp_site->GetLoadAddress(); // Log that a breakpoint was requested - if (log) - log->Printf("ProcessGDBRemote::EnableBreakpointSite (size_id = %" PRIu64 - ") address = 0x%" PRIx64, - site_id, (uint64_t)addr); + LLDB_LOGF(log, + "ProcessGDBRemote::EnableBreakpointSite (size_id = %" PRIu64 + ") address = 0x%" PRIx64, + site_id, (uint64_t)addr); // Breakpoint already exists and is enabled if (bp_site->IsEnabled()) { - if (log) - log->Printf("ProcessGDBRemote::EnableBreakpointSite (size_id = %" PRIu64 - ") address = 0x%" PRIx64 " -- SUCCESS (already enabled)", - site_id, (uint64_t)addr); + LLDB_LOGF(log, + "ProcessGDBRemote::EnableBreakpointSite (size_id = %" PRIu64 + ") address = 0x%" PRIx64 " -- SUCCESS (already enabled)", + site_id, (uint64_t)addr); return error; } @@ -3231,8 +3160,7 @@ Status ProcessGDBRemote::EnableBreakpointSite(BreakpointSite *bp_site) { // We reach here when software breakpoints have been found to be // unsupported. For future calls to set a breakpoint, we will not attempt // to set a breakpoint with a type that is known not to be supported. - if (log) - log->Printf("Software breakpoints are unsupported"); + LLDB_LOGF(log, "Software breakpoints are unsupported"); // So we will fall through and try a hardware breakpoint } @@ -3270,8 +3198,7 @@ Status ProcessGDBRemote::EnableBreakpointSite(BreakpointSite *bp_site) { // We will reach here when the stub gives an unsupported response to a // hardware breakpoint - if (log) - log->Printf("Hardware breakpoints are unsupported"); + LLDB_LOGF(log, "Hardware breakpoints are unsupported"); // Finally we will falling through to a #trap style breakpoint } @@ -3293,10 +3220,10 @@ Status ProcessGDBRemote::DisableBreakpointSite(BreakpointSite *bp_site) { addr_t addr = bp_site->GetLoadAddress(); user_id_t site_id = bp_site->GetID(); Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_BREAKPOINTS)); - if (log) - log->Printf("ProcessGDBRemote::DisableBreakpointSite (site_id = %" PRIu64 - ") addr = 0x%8.8" PRIx64, - site_id, (uint64_t)addr); + LLDB_LOGF(log, + "ProcessGDBRemote::DisableBreakpointSite (site_id = %" PRIu64 + ") addr = 0x%8.8" PRIx64, + site_id, (uint64_t)addr); if (bp_site->IsEnabled()) { const size_t bp_op_size = GetSoftwareBreakpointTrapOpcode(bp_site); @@ -3328,10 +3255,10 @@ Status ProcessGDBRemote::DisableBreakpointSite(BreakpointSite *bp_site) { if (error.Success()) bp_site->SetEnabled(false); } else { - if (log) - log->Printf("ProcessGDBRemote::DisableBreakpointSite (site_id = %" PRIu64 - ") addr = 0x%8.8" PRIx64 " -- SUCCESS (already disabled)", - site_id, (uint64_t)addr); + LLDB_LOGF(log, + "ProcessGDBRemote::DisableBreakpointSite (site_id = %" PRIu64 + ") addr = 0x%8.8" PRIx64 " -- SUCCESS (already disabled)", + site_id, (uint64_t)addr); return error; } @@ -3363,14 +3290,13 @@ Status ProcessGDBRemote::EnableWatchpoint(Watchpoint *wp, bool notify) { addr_t addr = wp->GetLoadAddress(); Log *log( ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_WATCHPOINTS)); - if (log) - log->Printf("ProcessGDBRemote::EnableWatchpoint(watchID = %" PRIu64 ")", - watchID); + LLDB_LOGF(log, "ProcessGDBRemote::EnableWatchpoint(watchID = %" PRIu64 ")", + watchID); if (wp->IsEnabled()) { - if (log) - log->Printf("ProcessGDBRemote::EnableWatchpoint(watchID = %" PRIu64 - ") addr = 0x%8.8" PRIx64 ": watchpoint already enabled.", - watchID, (uint64_t)addr); + LLDB_LOGF(log, + "ProcessGDBRemote::EnableWatchpoint(watchID = %" PRIu64 + ") addr = 0x%8.8" PRIx64 ": watchpoint already enabled.", + watchID, (uint64_t)addr); return error; } @@ -3403,16 +3329,16 @@ Status ProcessGDBRemote::DisableWatchpoint(Watchpoint *wp, bool notify) { addr_t addr = wp->GetLoadAddress(); - if (log) - log->Printf("ProcessGDBRemote::DisableWatchpoint (watchID = %" PRIu64 - ") addr = 0x%8.8" PRIx64, - watchID, (uint64_t)addr); + LLDB_LOGF(log, + "ProcessGDBRemote::DisableWatchpoint (watchID = %" PRIu64 + ") addr = 0x%8.8" PRIx64, + watchID, (uint64_t)addr); if (!wp->IsEnabled()) { - if (log) - log->Printf("ProcessGDBRemote::DisableWatchpoint (watchID = %" PRIu64 - ") addr = 0x%8.8" PRIx64 " -- SUCCESS (already disabled)", - watchID, (uint64_t)addr); + LLDB_LOGF(log, + "ProcessGDBRemote::DisableWatchpoint (watchID = %" PRIu64 + ") addr = 0x%8.8" PRIx64 " -- SUCCESS (already disabled)", + watchID, (uint64_t)addr); // See also 'class WatchpointSentry' within StopInfo.cpp. This disabling // attempt might come from the user-supplied actions, we'll route it in // order for the watchpoint object to intelligently process this action. @@ -3447,8 +3373,7 @@ void ProcessGDBRemote::Clear() { Status ProcessGDBRemote::DoSignal(int signo) { Status error; Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::DoSignal (signal = %d)", signo); + LLDB_LOGF(log, "ProcessGDBRemote::DoSignal (signal = %d)", signo); if (!m_gdb_comm.SendAsyncSignal(signo)) error.SetErrorStringWithFormat("failed to send signal %i", signo); @@ -3460,7 +3385,8 @@ Status ProcessGDBRemote::ConnectToReplayServer(repro::Loader *loader) { return Status("No loader provided."); // Construct replay history path. - FileSpec history_file = loader->GetFile<ProcessGDBRemoteProvider::Info>(); + FileSpec history_file = + loader->GetFile<repro::ProcessGDBRemoteProvider::Info>(); if (!history_file) return Status("No provider for gdb-remote."); @@ -3556,8 +3482,8 @@ Status ProcessGDBRemote::LaunchAndConnectToDebugserver( int our_socket = sockets[0]; int gdb_socket = sockets[1]; - CleanUp cleanup_our(close, our_socket); - CleanUp cleanup_gdb(close, gdb_socket); + auto cleanup_our = llvm::make_scope_exit([&]() { close(our_socket); }); + auto cleanup_gdb = llvm::make_scope_exit([&]() { close(gdb_socket); }); // Don't let any child processes inherit our communication socket SetCloexecFlag(our_socket); @@ -3577,7 +3503,7 @@ Status ProcessGDBRemote::LaunchAndConnectToDebugserver( #ifdef USE_SOCKETPAIR_FOR_LOCAL_CONNECTION // Our process spawned correctly, we can now set our connection to use // our end of the socket pair - cleanup_our.disable(); + cleanup_our.release(); m_gdb_comm.SetConnection(new ConnectionFileDescriptor(our_socket, true)); #endif StartAsyncThread(); @@ -3586,9 +3512,8 @@ Status ProcessGDBRemote::LaunchAndConnectToDebugserver( if (error.Fail()) { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("failed to start debugserver process: %s", - error.AsCString()); + LLDB_LOGF(log, "failed to start debugserver process: %s", + error.AsCString()); return error; } @@ -3614,22 +3539,22 @@ bool ProcessGDBRemote::MonitorDebugserverProcess( Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); const bool handled = true; - if (log) - log->Printf("ProcessGDBRemote::%s(process_wp, pid=%" PRIu64 - ", signo=%i (0x%x), exit_status=%i)", - __FUNCTION__, debugserver_pid, signo, signo, exit_status); + LLDB_LOGF(log, + "ProcessGDBRemote::%s(process_wp, pid=%" PRIu64 + ", signo=%i (0x%x), exit_status=%i)", + __FUNCTION__, debugserver_pid, signo, signo, exit_status); std::shared_ptr<ProcessGDBRemote> process_sp = process_wp.lock(); - if (log) - log->Printf("ProcessGDBRemote::%s(process = %p)", __FUNCTION__, - static_cast<void *>(process_sp.get())); + LLDB_LOGF(log, "ProcessGDBRemote::%s(process = %p)", __FUNCTION__, + static_cast<void *>(process_sp.get())); if (!process_sp || process_sp->m_debugserver_pid != debugserver_pid) return handled; // Sleep for a half a second to make sure our inferior process has time to // set its exit status before we set it incorrectly when both the debugserver // and the inferior process shut down. - usleep(500000); + std::this_thread::sleep_for(std::chrono::milliseconds(500)); + // If our process hasn't yet exited, debugserver might have died. If the // process did exit, then we are reaping it. const StateType state = process_sp->GetState(); @@ -3692,8 +3617,7 @@ void ProcessGDBRemote::DebuggerInitialize(Debugger &debugger) { bool ProcessGDBRemote::StartAsyncThread() { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::%s ()", __FUNCTION__); + LLDB_LOGF(log, "ProcessGDBRemote::%s ()", __FUNCTION__); std::lock_guard<std::recursive_mutex> guard(m_async_thread_state_mutex); if (!m_async_thread.IsJoinable()) { @@ -3709,10 +3633,11 @@ bool ProcessGDBRemote::StartAsyncThread() { return false; } m_async_thread = *async_thread; - } else if (log) - log->Printf("ProcessGDBRemote::%s () - Called when Async thread was " - "already running.", - __FUNCTION__); + } else + LLDB_LOGF(log, + "ProcessGDBRemote::%s () - Called when Async thread was " + "already running.", + __FUNCTION__); return m_async_thread.IsJoinable(); } @@ -3720,8 +3645,7 @@ bool ProcessGDBRemote::StartAsyncThread() { void ProcessGDBRemote::StopAsyncThread() { Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::%s ()", __FUNCTION__); + LLDB_LOGF(log, "ProcessGDBRemote::%s ()", __FUNCTION__); std::lock_guard<std::recursive_mutex> guard(m_async_thread_state_mutex); if (m_async_thread.IsJoinable()) { @@ -3733,8 +3657,9 @@ void ProcessGDBRemote::StopAsyncThread() { // Stop the stdio thread m_async_thread.Join(nullptr); m_async_thread.Reset(); - } else if (log) - log->Printf( + } else + LLDB_LOGF( + log, "ProcessGDBRemote::%s () - Called when Async thread was not running.", __FUNCTION__); } @@ -3768,25 +3693,25 @@ thread_result_t ProcessGDBRemote::AsyncThread(void *arg) { ProcessGDBRemote *process = (ProcessGDBRemote *)arg; Log *log(ProcessGDBRemoteLog::GetLogIfAllCategoriesSet(GDBR_LOG_PROCESS)); - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") thread starting...", - __FUNCTION__, arg, process->GetID()); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") thread starting...", + __FUNCTION__, arg, process->GetID()); EventSP event_sp; bool done = false; while (!done) { - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") listener.WaitForEvent (NULL, event_sp)...", - __FUNCTION__, arg, process->GetID()); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") listener.WaitForEvent (NULL, event_sp)...", + __FUNCTION__, arg, process->GetID()); if (process->m_async_listener_sp->GetEvent(event_sp, llvm::None)) { const uint32_t event_type = event_sp->GetType(); if (event_sp->BroadcasterIs(&process->m_async_broadcaster)) { - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") Got an event of type: %d...", - __FUNCTION__, arg, process->GetID(), event_type); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") Got an event of type: %d...", + __FUNCTION__, arg, process->GetID(), event_type); switch (event_type) { case eBroadcastBitAsyncContinue: { @@ -3797,10 +3722,10 @@ thread_result_t ProcessGDBRemote::AsyncThread(void *arg) { const char *continue_cstr = (const char *)continue_packet->GetBytes(); const size_t continue_cstr_len = continue_packet->GetByteSize(); - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") got eBroadcastBitAsyncContinue: %s", - __FUNCTION__, arg, process->GetID(), continue_cstr); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") got eBroadcastBitAsyncContinue: %s", + __FUNCTION__, arg, process->GetID(), continue_cstr); if (::strstr(continue_cstr, "vAttach") == nullptr) process->SetPrivateState(eStateRunning); @@ -3891,18 +3816,18 @@ thread_result_t ProcessGDBRemote::AsyncThread(void *arg) { break; case eBroadcastBitAsyncThreadShouldExit: - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") got eBroadcastBitAsyncThreadShouldExit...", - __FUNCTION__, arg, process->GetID()); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") got eBroadcastBitAsyncThreadShouldExit...", + __FUNCTION__, arg, process->GetID()); done = true; break; default: - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") got unknown event 0x%8.8x", - __FUNCTION__, arg, process->GetID(), event_type); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") got unknown event 0x%8.8x", + __FUNCTION__, arg, process->GetID(), event_type); done = true; break; } @@ -3925,27 +3850,27 @@ thread_result_t ProcessGDBRemote::AsyncThread(void *arg) { } default: - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") got unknown event 0x%8.8x", - __FUNCTION__, arg, process->GetID(), event_type); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") got unknown event 0x%8.8x", + __FUNCTION__, arg, process->GetID(), event_type); done = true; break; } } } else { - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") listener.WaitForEvent (NULL, event_sp) => false", - __FUNCTION__, arg, process->GetID()); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") listener.WaitForEvent (NULL, event_sp) => false", + __FUNCTION__, arg, process->GetID()); done = true; } } - if (log) - log->Printf("ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 - ") thread exiting...", - __FUNCTION__, arg, process->GetID()); + LLDB_LOGF(log, + "ProcessGDBRemote::%s (arg = %p, pid = %" PRIu64 + ") thread exiting...", + __FUNCTION__, arg, process->GetID()); return {}; } @@ -3977,8 +3902,7 @@ bool ProcessGDBRemote::NewThreadNotifyBreakpointHit( // thread when it starts to // run so I can stop it if that's what I want to do. Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_STEP)); - if (log) - log->Printf("Hit New Thread Notification breakpoint."); + LLDB_LOGF(log, "Hit New Thread Notification breakpoint."); return false; } @@ -4023,7 +3947,7 @@ bool ProcessGDBRemote::StartNoticingNewThreads() { Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_STEP)); if (m_thread_create_bp_sp) { if (log && log->GetVerbose()) - log->Printf("Enabled noticing new thread breakpoint."); + LLDB_LOGF(log, "Enabled noticing new thread breakpoint."); m_thread_create_bp_sp->SetEnabled(true); } else { PlatformSP platform_sp(GetTarget().GetPlatform()); @@ -4032,14 +3956,13 @@ bool ProcessGDBRemote::StartNoticingNewThreads() { platform_sp->SetThreadCreationBreakpoint(GetTarget()); if (m_thread_create_bp_sp) { if (log && log->GetVerbose()) - log->Printf( - "Successfully created new thread notification breakpoint %i", + LLDB_LOGF( + log, "Successfully created new thread notification breakpoint %i", m_thread_create_bp_sp->GetID()); m_thread_create_bp_sp->SetCallback( ProcessGDBRemote::NewThreadNotifyBreakpointHit, this, true); } else { - if (log) - log->Printf("Failed to create new thread notification breakpoint."); + LLDB_LOGF(log, "Failed to create new thread notification breakpoint."); } } } @@ -4049,7 +3972,7 @@ bool ProcessGDBRemote::StartNoticingNewThreads() { bool ProcessGDBRemote::StopNoticingNewThreads() { Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_STEP)); if (log && log->GetVerbose()) - log->Printf("Disabling new thread notification breakpoint."); + LLDB_LOGF(log, "Disabling new thread notification breakpoint."); if (m_thread_create_bp_sp) m_thread_create_bp_sp->SetEnabled(false); @@ -4325,19 +4248,18 @@ bool ProcessGDBRemote::GetModuleSpec(const FileSpec &module_file_spec, } if (!m_gdb_comm.GetModuleInfo(module_file_spec, arch, module_spec)) { - if (log) - log->Printf("ProcessGDBRemote::%s - failed to get module info for %s:%s", - __FUNCTION__, module_file_spec.GetPath().c_str(), - arch.GetTriple().getTriple().c_str()); + LLDB_LOGF(log, "ProcessGDBRemote::%s - failed to get module info for %s:%s", + __FUNCTION__, module_file_spec.GetPath().c_str(), + arch.GetTriple().getTriple().c_str()); return false; } if (log) { StreamString stream; module_spec.Dump(stream); - log->Printf("ProcessGDBRemote::%s - got module info for (%s:%s) : %s", - __FUNCTION__, module_file_spec.GetPath().c_str(), - arch.GetTriple().getTriple().c_str(), stream.GetData()); + LLDB_LOGF(log, "ProcessGDBRemote::%s - got module info for (%s:%s) : %s", + __FUNCTION__, module_file_spec.GetPath().c_str(), + arch.GetTriple().getTriple().c_str(), stream.GetData()); } m_cached_module_specs[key] = module_spec; @@ -4361,6 +4283,10 @@ llvm::VersionTuple ProcessGDBRemote::GetHostOSVersion() { return m_gdb_comm.GetOSVersion(); } +llvm::VersionTuple ProcessGDBRemote::GetHostMacCatalystVersion() { + return m_gdb_comm.GetMacCatalystVersion(); +} + namespace { typedef std::vector<std::string> stringVec; @@ -4492,14 +4418,13 @@ bool ParseRegisters(XMLNode feature_node, GdbServerTargetInfo &target_info, } else if (name == "invalidate_regnums") { SplitCommaSeparatedRegisterNumberString(value, invalidate_regs, 0); } else if (name == "dynamic_size_dwarf_expr_bytes") { - StringExtractor opcode_extractor; std::string opcode_string = value.str(); size_t dwarf_opcode_len = opcode_string.length() / 2; assert(dwarf_opcode_len > 0); dwarf_opcode_bytes.resize(dwarf_opcode_len); reg_info.dynamic_size_dwarf_len = dwarf_opcode_len; - opcode_extractor.GetStringRef().swap(opcode_string); + StringExtractor opcode_extractor(opcode_string); uint32_t ret_val = opcode_extractor.GetHexBytesAvail(dwarf_opcode_bytes); assert(dwarf_opcode_len == ret_val); @@ -4565,16 +4490,15 @@ bool ParseRegisters(XMLNode feature_node, GdbServerTargetInfo &target_info, // information to the current process. It will call itself recursively // for nested register definition files. It returns true if it was able // to fetch and parse an xml file. -bool ProcessGDBRemote::GetGDBServerRegisterInfoXMLAndProcess(ArchSpec &arch_to_use, - std::string xml_filename, - uint32_t &cur_reg_num, - uint32_t ®_offset) { +bool ProcessGDBRemote::GetGDBServerRegisterInfoXMLAndProcess( + ArchSpec &arch_to_use, std::string xml_filename, uint32_t &cur_reg_num, + uint32_t ®_offset) { // request the target xml file std::string raw; lldb_private::Status lldberr; - if (!m_gdb_comm.ReadExtFeature(ConstString("features"), - ConstString(xml_filename.c_str()), - raw, lldberr)) { + if (!m_gdb_comm.ReadExtFeature(ConstString("features"), + ConstString(xml_filename.c_str()), raw, + lldberr)) { return false; } @@ -4676,8 +4600,8 @@ bool ProcessGDBRemote::GetGDBServerRegisterInfoXMLAndProcess(ArchSpec &arch_to_u } for (const auto &include : target_info.includes) { - GetGDBServerRegisterInfoXMLAndProcess(arch_to_use, include, - cur_reg_num, reg_offset); + GetGDBServerRegisterInfoXMLAndProcess(arch_to_use, include, cur_reg_num, + reg_offset); } } } else { @@ -4705,41 +4629,43 @@ bool ProcessGDBRemote::GetGDBServerRegisterInfo(ArchSpec &arch_to_use) { return m_register_info.GetNumRegisters() > 0; } -Status ProcessGDBRemote::GetLoadedModuleList(LoadedModuleInfoList &list) { +llvm::Expected<LoadedModuleInfoList> ProcessGDBRemote::GetLoadedModuleList() { // Make sure LLDB has an XML parser it can use first if (!XMLDocument::XMLEnabled()) - return Status(0, ErrorType::eErrorTypeGeneric); + return llvm::createStringError(llvm::inconvertibleErrorCode(), + "XML parsing not available"); Log *log = GetLogIfAnyCategoriesSet(LIBLLDB_LOG_PROCESS); - if (log) - log->Printf("ProcessGDBRemote::%s", __FUNCTION__); + LLDB_LOGF(log, "ProcessGDBRemote::%s", __FUNCTION__); + LoadedModuleInfoList list; GDBRemoteCommunicationClient &comm = m_gdb_comm; bool can_use_svr4 = GetGlobalPluginProperties()->GetUseSVR4(); // check that we have extended feature read support if (can_use_svr4 && comm.GetQXferLibrariesSVR4ReadSupported()) { - list.clear(); - // request the loaded library list std::string raw; lldb_private::Status lldberr; if (!comm.ReadExtFeature(ConstString("libraries-svr4"), ConstString(""), raw, lldberr)) - return Status(0, ErrorType::eErrorTypeGeneric); + return llvm::createStringError(llvm::inconvertibleErrorCode(), + "Error in libraries-svr4 packet"); // parse the xml file in memory - if (log) - log->Printf("parsing: %s", raw.c_str()); + LLDB_LOGF(log, "parsing: %s", raw.c_str()); XMLDocument doc; if (!doc.ParseMemory(raw.c_str(), raw.size(), "noname.xml")) - return Status(0, ErrorType::eErrorTypeGeneric); + return llvm::createStringError(llvm::inconvertibleErrorCode(), + "Error reading noname.xml"); XMLNode root_element = doc.GetRootElement("library-list-svr4"); if (!root_element) - return Status(); + return llvm::createStringError( + llvm::inconvertibleErrorCode(), + "Error finding library-list-svr4 xml element"); // main link map structure llvm::StringRef main_lm = root_element.GetAttributeValue("main-lm"); @@ -4791,10 +4717,11 @@ Status ProcessGDBRemote::GetLoadedModuleList(LoadedModuleInfoList &list) { module.get_base_is_offset(base_is_offset); module.get_dynamic(ld); - log->Printf("found (link_map:0x%08" PRIx64 ", base:0x%08" PRIx64 - "[%s], ld:0x%08" PRIx64 ", name:'%s')", - lm, base, (base_is_offset ? "offset" : "absolute"), ld, - name.c_str()); + LLDB_LOGF(log, + "found (link_map:0x%08" PRIx64 ", base:0x%08" PRIx64 + "[%s], ld:0x%08" PRIx64 ", name:'%s')", + lm, base, (base_is_offset ? "offset" : "absolute"), ld, + name.c_str()); } list.add(module); @@ -4803,29 +4730,30 @@ Status ProcessGDBRemote::GetLoadedModuleList(LoadedModuleInfoList &list) { }); if (log) - log->Printf("found %" PRId32 " modules in total", - (int)list.m_list.size()); + LLDB_LOGF(log, "found %" PRId32 " modules in total", + (int)list.m_list.size()); + return list; } else if (comm.GetQXferLibrariesReadSupported()) { - list.clear(); - // request the loaded library list std::string raw; lldb_private::Status lldberr; if (!comm.ReadExtFeature(ConstString("libraries"), ConstString(""), raw, lldberr)) - return Status(0, ErrorType::eErrorTypeGeneric); + return llvm::createStringError(llvm::inconvertibleErrorCode(), + "Error in libraries packet"); - if (log) - log->Printf("parsing: %s", raw.c_str()); + LLDB_LOGF(log, "parsing: %s", raw.c_str()); XMLDocument doc; if (!doc.ParseMemory(raw.c_str(), raw.size(), "noname.xml")) - return Status(0, ErrorType::eErrorTypeGeneric); + return llvm::createStringError(llvm::inconvertibleErrorCode(), + "Error reading noname.xml"); XMLNode root_element = doc.GetRootElement("library-list"); if (!root_element) - return Status(); + return llvm::createStringError(llvm::inconvertibleErrorCode(), + "Error finding library-list xml element"); root_element.ForEachChildElementWithName( "library", [log, &list](const XMLNode &library) -> bool { @@ -4853,8 +4781,8 @@ Status ProcessGDBRemote::GetLoadedModuleList(LoadedModuleInfoList &list) { module.get_base(base); module.get_base_is_offset(base_is_offset); - log->Printf("found (base:0x%08" PRIx64 "[%s], name:'%s')", base, - (base_is_offset ? "offset" : "absolute"), name.c_str()); + LLDB_LOGF(log, "found (base:0x%08" PRIx64 "[%s], name:'%s')", base, + (base_is_offset ? "offset" : "absolute"), name.c_str()); } list.add(module); @@ -4863,13 +4791,13 @@ Status ProcessGDBRemote::GetLoadedModuleList(LoadedModuleInfoList &list) { }); if (log) - log->Printf("found %" PRId32 " modules in total", - (int)list.m_list.size()); + LLDB_LOGF(log, "found %" PRId32 " modules in total", + (int)list.m_list.size()); + return list; } else { - return Status(0, ErrorType::eErrorTypeGeneric); + return llvm::createStringError(llvm::inconvertibleErrorCode(), + "Remote libraries not supported"); } - - return Status(); } lldb::ModuleSP ProcessGDBRemote::LoadModuleAtAddress(const FileSpec &file, @@ -4884,17 +4812,18 @@ lldb::ModuleSP ProcessGDBRemote::LoadModuleAtAddress(const FileSpec &file, value_is_offset); } -size_t ProcessGDBRemote::LoadModules(LoadedModuleInfoList &module_list) { +llvm::Error ProcessGDBRemote::LoadModules() { using lldb_private::process_gdb_remote::ProcessGDBRemote; // request a list of loaded libraries from GDBServer - if (GetLoadedModuleList(module_list).Fail()) - return 0; + llvm::Expected<LoadedModuleInfoList> module_list = GetLoadedModuleList(); + if (!module_list) + return module_list.takeError(); // get a list of all the modules ModuleList new_modules; - for (LoadedModuleInfoList::LoadedModuleInfo &modInfo : module_list.m_list) { + for (LoadedModuleInfoList::LoadedModuleInfo &modInfo : module_list->m_list) { std::string mod_name; lldb::addr_t mod_base; lldb::addr_t link_map; @@ -4961,12 +4890,7 @@ size_t ProcessGDBRemote::LoadModules(LoadedModuleInfoList &module_list) { m_process->GetTarget().ModulesDidLoad(new_modules); } - return new_modules.GetSize(); -} - -size_t ProcessGDBRemote::LoadModules() { - LoadedModuleInfoList module_list; - return LoadModules(module_list); + return llvm::ErrorSuccess(); } Status ProcessGDBRemote::GetFileLoadAddress(const FileSpec &file, @@ -5149,7 +5073,8 @@ ParseStructuredDataPacket(llvm::StringRef packet) { if (!packet.consume_front(s_async_json_packet_prefix)) { if (log) { - log->Printf( + LLDB_LOGF( + log, "GDBRemoteCommunicationClientBase::%s() received $J packet " "but was not a StructuredData packet: packet starts with " "%s", @@ -5164,16 +5089,18 @@ ParseStructuredDataPacket(llvm::StringRef packet) { if (log) { if (json_sp) { StreamString json_str; - json_sp->Dump(json_str); + json_sp->Dump(json_str, true); json_str.Flush(); - log->Printf("ProcessGDBRemote::%s() " - "received Async StructuredData packet: %s", - __FUNCTION__, json_str.GetData()); + LLDB_LOGF(log, + "ProcessGDBRemote::%s() " + "received Async StructuredData packet: %s", + __FUNCTION__, json_str.GetData()); } else { - log->Printf("ProcessGDBRemote::%s" - "() received StructuredData packet:" - " parse failure", - __FUNCTION__); + LLDB_LOGF(log, + "ProcessGDBRemote::%s" + "() received StructuredData packet:" + " parse failure", + __FUNCTION__); } } return json_sp; @@ -5365,7 +5292,7 @@ public: result.SetStatus(eReturnStatusSuccessFinishResult); Stream &output_strm = result.GetOutputStream(); output_strm.Printf(" packet: %s\n", packet_cstr); - std::string &response_str = response.GetStringRef(); + std::string response_str = response.GetStringRef(); if (strstr(packet_cstr, "qGetProfileData") != nullptr) { response_str = process->HarmonizeThreadIdsForProfileData(response); @@ -5374,7 +5301,7 @@ public: if (response_str.empty()) output_strm.PutCString("response: \nerror: UNIMPLEMENTED\n"); else - output_strm.Printf("response: %s\n", response.GetStringRef().c_str()); + output_strm.Printf("response: %s\n", response.GetStringRef().data()); } } return true; @@ -5423,7 +5350,7 @@ public: if (response_str.empty()) output_strm.PutCString("response: \nerror: UNIMPLEMENTED\n"); else - output_strm.Printf("response: %s\n", response.GetStringRef().c_str()); + output_strm.Printf("response: %s\n", response.GetStringRef().data()); } return true; } diff --git a/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h b/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h index 9c41fc2e5e988..0e3e3b39d9c8e 100644 --- a/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h +++ b/source/Plugins/Process/gdb-remote/ProcessGDBRemote.h @@ -24,8 +24,8 @@ #include "lldb/Utility/ArchSpec.h" #include "lldb/Utility/Broadcaster.h" #include "lldb/Utility/ConstString.h" +#include "lldb/Utility/GDBRemote.h" #include "lldb/Utility/Status.h" -#include "lldb/Utility/StreamGDBRemote.h" #include "lldb/Utility/StreamString.h" #include "lldb/Utility/StringExtractor.h" #include "lldb/Utility/StringList.h" @@ -199,10 +199,11 @@ public: const llvm::Triple &triple) override; llvm::VersionTuple GetHostOSVersion() override; + llvm::VersionTuple GetHostMacCatalystVersion() override; - size_t LoadModules(LoadedModuleInfoList &module_list) override; + llvm::Error LoadModules() override; - size_t LoadModules() override; + llvm::Expected<LoadedModuleInfoList> GetLoadedModuleList() override; Status GetFileLoadAddress(const FileSpec &file, bool &is_loaded, lldb::addr_t &load_addr) override; @@ -391,9 +392,6 @@ protected: // Query remote GDBServer for register information bool GetGDBServerRegisterInfo(ArchSpec &arch); - // Query remote GDBServer for a detailed loaded library list - Status GetLoadedModuleList(LoadedModuleInfoList &); - lldb::ModuleSP LoadModuleAtAddress(const FileSpec &file, lldb::addr_t link_map, lldb::addr_t base_addr, diff --git a/source/Plugins/Process/gdb-remote/ProcessGDBRemoteProperties.td b/source/Plugins/Process/gdb-remote/ProcessGDBRemoteProperties.td new file mode 100644 index 0000000000000..16e7723e3061c --- /dev/null +++ b/source/Plugins/Process/gdb-remote/ProcessGDBRemoteProperties.td @@ -0,0 +1,16 @@ +include "../../../../include/lldb/Core/PropertiesBase.td" + +let Definition = "processgdbremote" in { + def PacketTimeout: Property<"packet-timeout", "UInt64">, + Global, + DefaultUnsignedValue<5>, + Desc<"Specify the default packet timeout in seconds.">; + def TargetDefinitionFile: Property<"target-definition-file", "FileSpec">, + Global, + DefaultStringValue<"">, + Desc<"The file that provides the description for remote target registers.">; + def UseSVR4: Property<"use-libraries-svr4", "Boolean">, + Global, + DefaultFalse, + Desc<"If true, the libraries-svr4 feature will be used to get a hold of the process's loaded modules.">; +} diff --git a/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp b/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp index 6607bce4488b4..8a6a58c55450c 100644 --- a/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp +++ b/source/Plugins/Process/gdb-remote/ThreadGDBRemote.cpp @@ -215,8 +215,7 @@ StructuredData::ObjectSP ThreadGDBRemote::FetchThreadExtendedInfo() { StructuredData::ObjectSP object_sp; const lldb::user_id_t tid = GetProtocolID(); Log *log(GetLogIfAnyCategoriesSet(GDBR_LOG_THREAD)); - if (log) - log->Printf("Fetching extended information for thread %4.4" PRIx64, tid); + LLDB_LOGF(log, "Fetching extended information for thread %4.4" PRIx64, tid); ProcessSP process_sp(GetProcess()); if (process_sp) { ProcessGDBRemote *gdb_process = @@ -230,9 +229,8 @@ void ThreadGDBRemote::WillResume(StateType resume_state) { int signo = GetResumeSignal(); const lldb::user_id_t tid = GetProtocolID(); Log *log(GetLogIfAnyCategoriesSet(GDBR_LOG_THREAD)); - if (log) - log->Printf("Resuming thread: %4.4" PRIx64 " with state: %s.", tid, - StateAsCString(resume_state)); + LLDB_LOGF(log, "Resuming thread: %4.4" PRIx64 " with state: %s.", tid, + StateAsCString(resume_state)); ProcessSP process_sp(GetProcess()); if (process_sp) { |