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Diffstat (limited to 'contrib/llvm-project/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h')
-rw-r--r-- | contrib/llvm-project/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h b/contrib/llvm-project/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h new file mode 100644 index 000000000000..86f0abf45e06 --- /dev/null +++ b/contrib/llvm-project/lldb/source/Plugins/Process/gdb-remote/GDBRemoteCommunicationServer.h @@ -0,0 +1,95 @@ +//===-- GDBRemoteCommunicationServer.h --------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef liblldb_GDBRemoteCommunicationServer_h_ +#define liblldb_GDBRemoteCommunicationServer_h_ + +#include <functional> +#include <map> + +#include "GDBRemoteCommunication.h" +#include "lldb/lldb-private-forward.h" + +#include "llvm/Support/Errc.h" +#include "llvm/Support/Error.h" + +class StringExtractorGDBRemote; + +namespace lldb_private { +namespace process_gdb_remote { + +class ProcessGDBRemote; + +class GDBRemoteCommunicationServer : public GDBRemoteCommunication { +public: + using PortMap = std::map<uint16_t, lldb::pid_t>; + using PacketHandler = + std::function<PacketResult(StringExtractorGDBRemote &packet, + Status &error, bool &interrupt, bool &quit)>; + + GDBRemoteCommunicationServer(const char *comm_name, + const char *listener_name); + + ~GDBRemoteCommunicationServer() override; + + void + RegisterPacketHandler(StringExtractorGDBRemote::ServerPacketType packet_type, + PacketHandler handler); + + PacketResult GetPacketAndSendResponse(Timeout<std::micro> timeout, + Status &error, bool &interrupt, + bool &quit); + + // After connecting, do a little handshake with the client to make sure + // we are at least communicating + bool HandshakeWithClient(); + +protected: + std::map<StringExtractorGDBRemote::ServerPacketType, PacketHandler> + m_packet_handlers; + bool m_exit_now; // use in asynchronous handling to indicate process should + // exit. + + bool m_send_error_strings = false; // If the client enables this then + // we will send error strings as well. + + PacketResult Handle_QErrorStringEnable(StringExtractorGDBRemote &packet); + + PacketResult SendErrorResponse(const Status &error); + + PacketResult SendErrorResponse(llvm::Error error); + + PacketResult SendUnimplementedResponse(const char *packet); + + PacketResult SendErrorResponse(uint8_t error); + + PacketResult SendIllFormedResponse(const StringExtractorGDBRemote &packet, + const char *error_message); + + PacketResult SendOKResponse(); + +private: + DISALLOW_COPY_AND_ASSIGN(GDBRemoteCommunicationServer); +}; + +class PacketUnimplementedError + : public llvm::ErrorInfo<PacketUnimplementedError, llvm::StringError> { +public: + static char ID; + using llvm::ErrorInfo<PacketUnimplementedError, + llvm::StringError>::ErrorInfo; // inherit constructors + PacketUnimplementedError(const llvm::Twine &S) + : ErrorInfo(S, llvm::errc::not_supported) {} + + PacketUnimplementedError() : ErrorInfo(llvm::errc::not_supported) {} +}; + +} // namespace process_gdb_remote +} // namespace lldb_private + +#endif // liblldb_GDBRemoteCommunicationServer_h_ |