mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere.hpp>
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#include "dmnt2_gdb_packet_io.hpp"
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namespace ams::dmnt {
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class GdbServerImpl {
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private:
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enum class State {
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Initial,
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Running,
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Exited,
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Destroyed,
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};
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enum GdbSignal {
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GdbSignal_Signal0 = 0,
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GdbSignal_Interrupt = 2,
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GdbSignal_IllegalInstruction = 4,
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GdbSignal_BreakpointTrap = 5,
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GdbSignal_EmulationTrap = 7,
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GdbSignal_ArithmeticException = 8,
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GdbSignal_Killed = 9,
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GdbSignal_BusError = 10,
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GdbSignal_SegmentationFault = 11,
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GdbSignal_BadSystemCall = 12,
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};
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private:
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int m_socket;
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HtcsSession m_session;
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GdbPacketIo m_packet_io;
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char *m_receive_packet{nullptr};
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char *m_reply_packet{nullptr};
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char m_buffer[GdbPacketBufferSize / 2];
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bool m_killed{false};
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svc::Handle m_debug_handle{svc::InvalidHandle};
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os::ThreadType m_events_thread;
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State m_state;
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bool m_attached{false};
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u64 m_thread_id{0};
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os::ProcessId m_process_id{os::InvalidProcessId};
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os::ProcessId m_target_process_id{os::InvalidProcessId};
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svc::DebugInfoCreateProcess m_create_process_info;
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os::Event m_event;
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public:
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GdbServerImpl(int socket, void *thread_stack, size_t stack_size);
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~GdbServerImpl();
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void LoopProcess();
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private:
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void ProcessPacket(char *receive, char *reply);
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void SendPacket(bool *out_break, const char *src) { return m_packet_io.SendPacket(out_break, src, std::addressof(m_session)); }
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char *ReceivePacket(bool *out_break, char *dst, size_t size) { return m_packet_io.ReceivePacket(out_break, dst, size, std::addressof(m_session)); }
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private:
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bool HasDebugProcess() const { return m_debug_handle != svc::InvalidHandle; }
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bool Is64Bit() const { return (m_create_process_info.flags & svc::CreateProcessFlag_Is64Bit) == svc::CreateProcessFlag_Is64Bit; }
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bool Is64BitAddressSpace() const { return (m_create_process_info.flags & svc::CreateProcessFlag_AddressSpaceMask) == svc::CreateProcessFlag_AddressSpace64Bit; }
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private:
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static void DebugEventsThreadEntry(void *arg) { static_cast<GdbServerImpl *>(arg)->DebugEventsThread(); }
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void DebugEventsThread();
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void ProcessDebugEvents();
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void SetStopReplyPacket(GdbSignal signal);
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private:
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void H();
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void Hg();
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bool g();
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void m();
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void v();
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void vAttach();
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void q();
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void qAttached();
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void qC();
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void qSupported();
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void qXfer();
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void qXferFeaturesRead();
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void qXferOsdataRead();
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bool qXferThreadsRead();
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void QuestionMark();
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};
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} |