internal static Guid?CreateTargetFunctionBreakpointAtDebugEnd(DkmProcess process, DkmNativeModuleInstance moduleWithLoadedLua, string name, string desc, out ulong breakAddress)
{
var address = TryGetFunctionAddressAtDebugEnd(moduleWithLoadedLua, name, out string error);
if (address != null)
{
LocalComponent.log.Debug($"Hooking Lua '{desc}' ({name}) function (address 0x{address.Value:x})");
var nativeAddress = process.CreateNativeInstructionAddress(address.Value);
var breakpoint = DkmRuntimeInstructionBreakpoint.Create(Guids.luaSupportBreakpointGuid, null, nativeAddress, false, null);
breakpoint.Enable();
breakAddress = address.Value;
return(breakpoint.UniqueId);
}
else
{
LocalComponent.log.Warning($"Failed to create breakpoint in '{name}' with {error}");
}
breakAddress = 0;
return(null);
}
internal static DkmInspectionSession CreateInspectionSession(DkmProcess process, DkmThread thread, SupportBreakpointHitMessage data, out DkmStackWalkFrame frame)
{
const int CV_ALLREG_VFRAME = 0x00007536;
var vFrameRegister = DkmUnwoundRegister.Create(CV_ALLREG_VFRAME, new ReadOnlyCollection <byte>(BitConverter.GetBytes(data.vframe)));
var registers = thread.GetCurrentRegisters(new[] { vFrameRegister });
var instructionAddress = process.CreateNativeInstructionAddress(registers.GetInstructionPointer());
frame = DkmStackWalkFrame.Create(thread, instructionAddress, data.frameBase, 0, DkmStackWalkFrameFlags.None, null, registers, null);
return(DkmInspectionSession.Create(process, null));
}
public CppExpressionEvaluator(DkmThread thread, ulong frameBase, ulong vframe)
{
_process = thread.Process;
var inspectionSession = DkmInspectionSession.Create(_process, null);
_cppInspectionContext = DkmInspectionContext.Create(inspectionSession, _process.GetNativeRuntimeInstance(), thread, Timeout,
DkmEvaluationFlags.TreatAsExpression | DkmEvaluationFlags.NoSideEffects, DkmFuncEvalFlags.None, 10, CppLanguage, null);
const int CV_ALLREG_VFRAME = 0x00007536;
var vframeReg = DkmUnwoundRegister.Create(CV_ALLREG_VFRAME, new ReadOnlyCollection <byte>(BitConverter.GetBytes(vframe)));
var regs = thread.GetCurrentRegisters(new[] { vframeReg });
var iaddr = _process.CreateNativeInstructionAddress(regs.GetInstructionPointer());
_nativeFrame = DkmStackWalkFrame.Create(thread, iaddr, frameBase, 0, DkmStackWalkFrameFlags.None, null, regs, null);
}
internal static Guid?CreateTargetFunctionBreakpointAtAddress(DkmProcess process, DkmNativeModuleInstance moduleWithLoadedLua, string name, string desc, ulong address)
{
if (address != 0)
{
LocalComponent.log.Debug($"Hooking Lua '{desc}' ({name}) function (address 0x{address:x})");
var nativeAddress = process.CreateNativeInstructionAddress(address);
var breakpoint = DkmRuntimeInstructionBreakpoint.Create(Guids.luaSupportBreakpointGuid, null, nativeAddress, false, null);
breakpoint.Enable();
return(breakpoint.UniqueId);
}
else
{
LocalComponent.log.Warning($"Failed to create breakpoint in '{name}' with missing address");
}
return(null);
}
public static DkmRuntimeInstructionBreakpoint CreateBreakpoint(this DkmProcess process, Guid sourceId, ulong address)
{
var iaddr = process.CreateNativeInstructionAddress(address);
return(DkmRuntimeInstructionBreakpoint.Create(sourceId, null, iaddr, false, null));
}
