public GdbStub(int port, ICpuSupportingGdb cpu, bool autostartEmulation)
{
this.cpu = cpu;
Port = port;
pcktBuilder = new PacketBuilder();
commands = new CommandsManager(cpu);
commands.ShouldAutoStart = autostartEmulation;
TypeManager.Instance.AutoLoadedType += commands.Register;
terminal = new SocketServerProvider();
terminal.DataReceived += OnByteWritten;
terminal.ConnectionAccepted += delegate
{
cpu.Halted += OnHalted;
cpu.ExecutionMode = ExecutionMode.SingleStep;
};
terminal.ConnectionClosed += delegate
{
cpu.Halted -= OnHalted;
cpu.ExecutionMode = ExecutionMode.Continuous;
};
terminal.Start(port);
commHandler = new CommunicationHandler(this);
}
private void AccessWatchpointHook(ICpuSupportingGdb cpu, ulong address, SysbusAccessWidth width, uint value)
{
//? I See a possible problem here.
//? Here we call `Halt` event with T05 argument, but in a second we will call it once again with S05 in HandleStepping@TranlationCPU.
//? It seems to work fine with GDB, but... I don't know if it is fully correct.
cpu.EnterSingleStepModeSafely(new HaltArguments(HaltReason.Breakpoint, cpu.Id, address, BreakpointType.AccessWatchpoint), manager.BlockOnStep);
}
public void Invoke(ICpuSupportingGdb cpu, ulong currentAddress, SysbusAccessWidth currentWidth, uint value = 0)
{
if ((currentWidth & width) != 0)
{
action(cpu, currentAddress, currentWidth, value);
}
}
private bool TryAddManagedCPU(ICpuSupportingGdb cpu)
{
if (IsCPUAttached(cpu))
{
return(false);
}
ManagedCpus.Add(cpu.Id + 1, cpu);
return(true);
}
public CommandsManager(ICpuSupportingGdb cpu)
{
availableCommands = new HashSet<CommandDescriptor>();
activeCommands = new HashSet<Command>();
Machine machine;
EmulationManager.Instance.CurrentEmulation.TryGetMachineForPeripheral(cpu, out machine);
Cpu = cpu;
Machine = machine;
}
public void AttachCPU(ICpuSupportingGdb cpu)
{
if (!CanAttachCPU)
{
throw new RecoverableException("Cannot attach CPU because GDB is already connected.");
}
if (!TryAddManagedCPU(cpu))
{
throw new RecoverableException("CPU already attached to this GDB server.");
}
}
public CommandsManager(ICpuSupportingGdb cpu)
{
availableCommands = new HashSet <CommandDescriptor>();
activeCommands = new HashSet <Command>();
Machine machine;
EmulationManager.Instance.CurrentEmulation.TryGetMachineForPeripheral(cpu, out machine);
Cpu = cpu;
Machine = machine;
}
public GdbStub(int port, ICpuSupportingGdb cpu)
{
this.cpu = cpu;
Port = port;
pcktBuilder = new PacketBuilder();
commands = new CommandsManager(cpu);
TypeManager.Instance.AutoLoadedType += commands.Register;
cpu.Halted += OnHalted;
cpu.ExecutionMode = ExecutionMode.SingleStep;
terminal = new SocketServerProvider();
terminal.DataReceived += OnByteWritten;
terminal.Start(port);
}
public GdbStub(int port, ICpuSupportingGdb cpu)
{
this.cpu = cpu;
Port = port;
pcktBuilder = new PacketBuilder();
commands = new CommandsManager(cpu);
TypeManager.Instance.AutoLoadedType += commands.Register;
cpu.Halted += OnHalted;
cpu.ExecutionMode = ExecutionMode.SingleStep;
terminal = new SocketServerProvider();
terminal.DataReceived += OnByteWritten;
terminal.Start(port);
}
private void ReadWatchpointHook(ICpuSupportingGdb cpu, ulong address, SysbusAccessWidth width, uint value)
{
cpu.EnterSingleStepModeSafely(new HaltArguments(HaltReason.Breakpoint, cpu.Id, address, BreakpointType.ReadWatchpoint), manager.BlockOnStep);
}
private void MemoryBreakpointHook(ICpuSupportingGdb cpu, ulong address)
{
cpu.EnterSingleStepModeSafely(new HaltArguments(HaltReason.Breakpoint, cpu.Id, breakpointType: BreakpointType.MemoryBreakpoint), manager.BlockOnStep);
}
private void HardwareBreakpointHook(ICpuSupportingGdb cpu, ulong address)
{
cpu.EnterSingleStepModeSafely(new HaltArguments(HaltReason.Breakpoint, cpu.Id, breakpointType: BreakpointType.HardwareBreakpoint));
}
private void WriteWatchpointHook(ICpuSupportingGdb cpu, ulong address, SysbusAccessWidth width)
{
cpu.EnterSingleStepModeSafely(new HaltArguments(HaltReason.Breakpoint, cpu.Id, address, BreakpointType.WriteWatchpoint));
}
public bool IsCPUAttached(ICpuSupportingGdb cpu)
{
return(ManagedCpus.ContainsValue(cpu));
}
public bool IsCPUAttached(ICpuSupportingGdb cpu)
{
return(commandsManager.IsCPUAttached(cpu));
}
public void AttachCPU(ICpuSupportingGdb cpu)
{
commandsManager.AttachCPU(cpu);
}
