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dmnt: add attach support to gdbstub

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Michael Scire 2021-07-18 23:22:44 -07:00 • committed by SciresM
parent 649a0052d0
commit 9f1f0c7cbd
3 changed files with 507 additions and 19 deletions
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50
stratosphere/dmnt.gen2/source/dmnt2_gdb_server_impl.hpp
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@ -20,6 +20,26 @@
namespace ams::dmnt {
class GdbServerImpl {
private:
enum class State {
Initial,
Running,
Exited,
Destroyed,
};
enum GdbSignal {
GdbSignal_Signal0 = 0,
GdbSignal_Interrupt = 2,
GdbSignal_IllegalInstruction = 4,
GdbSignal_BreakpointTrap = 5,
GdbSignal_EmulationTrap = 7,
GdbSignal_ArithmeticException = 8,
GdbSignal_Killed = 9,
GdbSignal_BusError = 10,
GdbSignal_SegmentationFault = 11,
GdbSignal_BadSystemCall = 12,
};
private:
int m_socket;
HtcsSession m_session;
@ -27,9 +47,18 @@ namespace ams::dmnt {
char *m_receive_packet{nullptr};
char *m_reply_packet{nullptr};
char m_buffer[GdbPacketBufferSize / 2];
bool m_killed{false};
svc::Handle m_debug_handle{svc::InvalidHandle};
os::ThreadType m_events_thread;
State m_state;
bool m_attached{false};
u64 m_thread_id{0};
os::ProcessId m_process_id{os::InvalidProcessId};
os::ProcessId m_target_process_id{os::InvalidProcessId};
svc::DebugInfoCreateProcess m_create_process_info;
os::Event m_event;
public:
GdbServerImpl(int socket);
GdbServerImpl(int socket, void *thread_stack, size_t stack_size);
~GdbServerImpl();
void LoopProcess();
@ -40,9 +69,25 @@ namespace ams::dmnt {
char *ReceivePacket(bool *out_break, char *dst, size_t size) { return m_packet_io.ReceivePacket(out_break, dst, size, std::addressof(m_session)); }
private:
bool HasDebugProcess() const { return m_debug_handle != svc::InvalidHandle; }
bool Is64Bit() const { return true; /* TODO: Retrieve from debug process info. */ }
bool Is64Bit() const { return (m_create_process_info.flags & svc::CreateProcessFlag_Is64Bit) == svc::CreateProcessFlag_Is64Bit; }
bool Is64BitAddressSpace() const { return (m_create_process_info.flags & svc::CreateProcessFlag_AddressSpaceMask) == svc::CreateProcessFlag_AddressSpace64Bit; }
private:
static void DebugEventsThreadEntry(void *arg) { static_cast<GdbServerImpl *>(arg)->DebugEventsThread(); }
void DebugEventsThread();
void ProcessDebugEvents();
void SetStopReplyPacket(GdbSignal signal);
private:
void H();
void Hg();
bool g();
void m();
void v();
void vAttach();
void q();
void qAttached();
@ -51,6 +96,7 @@ namespace ams::dmnt {
void qXfer();
void qXferFeaturesRead();
void qXferOsdataRead();
bool qXferThreadsRead();
void QuestionMark();
};