DkmCustomMessage IDkmCustomMessageForwardReceiver.SendLower(DkmCustomMessage customMessage)
{
var process = customMessage.Process;
var processData = DebugHelpers.GetOrCreateDataItem <LuaRemoteProcessData>(process);
if (customMessage.MessageCode == MessageToRemote.createRuntime)
{
if (processData.language == null)
{
processData.compilerId = new DkmCompilerId(Guids.luaCompilerGuid, Guids.luaLanguageGuid);
processData.language = DkmLanguage.Create("Lua", processData.compilerId);
}
if (processData.runtimeInstance == null)
{
DkmRuntimeInstanceId runtimeId = new DkmRuntimeInstanceId(Guids.luaRuntimeGuid, 0);
processData.runtimeInstance = DkmCustomRuntimeInstance.Create(process, runtimeId, null);
}
if (processData.module == null)
{
DkmModuleId moduleId = new DkmModuleId(Guid.NewGuid(), Guids.luaSymbolProviderGuid);
processData.module = DkmModule.Create(moduleId, "lua.vm.code", processData.compilerId, process.Connection, null);
}
if (processData.moduleInstance == null)
{
DkmDynamicSymbolFileId symbolFileId = DkmDynamicSymbolFileId.Create(Guids.luaSymbolProviderGuid);
processData.moduleInstance = DkmCustomModuleInstance.Create("lua_vm", "lua.vm.code", 0, processData.runtimeInstance, null, symbolFileId, DkmModuleFlags.None, DkmModuleMemoryLayout.Unknown, 0, 1, 0, "Lua vm code", false, null, null, null);
processData.moduleInstance.SetModule(processData.module, true); // Can use reload?
}
}
else if (customMessage.MessageCode == MessageToRemote.luaHelperDataLocations)
{
var data = new HelperLocationsMessage();
data.ReadFrom(customMessage.Parameter1 as byte[]);
processData.locations = data;
}
else if (customMessage.MessageCode == MessageToRemote.pauseBreakpoints)
{
processData.pauseBreakpoints = true;
}
else if (customMessage.MessageCode == MessageToRemote.resumeBreakpoints)
{
processData.pauseBreakpoints = false;
}
else if (customMessage.MessageCode == MessageToRemote.luaVersionInfo)
{
processData.luaVersion = (customMessage.Parameter1 as int?).GetValueOrDefault(0);
LuaHelpers.luaVersion = processData.luaVersion;
}
else if (customMessage.MessageCode == MessageToRemote.registerLuaState)
{
var data = new RegisterStateMessage();
data.ReadFrom(customMessage.Parameter1 as byte[]);
Debug.Assert(processData.knownStates.ContainsKey(data.stateAddress) == false);
if (processData.knownStates.ContainsKey(data.stateAddress))
{
Debug.WriteLine("IDkmCustomMessageForwardReceiver.SendLower() Duplicate Lua state registration, destruction was probably missed!");
}
else
{
processData.knownStates.Add(data.stateAddress, data);
if (processData.hooksEnabled)
{
SetupHooks(process, processData);
}
}
}
else if (customMessage.MessageCode == MessageToRemote.unregisterLuaState)
{
var data = new UnregisterStateMessage();
data.ReadFrom(customMessage.Parameter1 as byte[]);
// Registration is called only for states that can be hooked, unregistration is always called
if (processData.knownStates.ContainsKey(data.stateAddress))
{
processData.knownStates.Remove(data.stateAddress);
}
}
return(null);
}
void IDkmProcessExecutionNotification.OnProcessPause(DkmProcess process, DkmProcessExecutionCounters processCounters)
{
try
{
ulong?moduleBaseOpt = DebugHelpers.ReadPointerVariable(process, "nullcModuleStartAddress");
// Check if nullc is available
if (moduleBaseOpt == null)
{
return;
}
var processData = DebugHelpers.GetOrCreateDataItem <NullcRemoteProcessDataItem>(process);
if (processData.language == null)
{
processData.compilerId = new DkmCompilerId(DebugHelpers.NullcCompilerGuid, DebugHelpers.NullcLanguageGuid);
processData.language = DkmLanguage.Create("nullc", processData.compilerId);
}
// Create VM runtime and module
if (processData.vmRuntimeInstance == null)
{
DkmRuntimeInstanceId runtimeId = new DkmRuntimeInstanceId(DebugHelpers.NullcVmRuntimeGuid, 0);
processData.vmRuntimeInstance = DkmCustomRuntimeInstance.Create(process, runtimeId, null);
}
if (processData.vmModule == null)
{
DkmModuleId moduleId = new DkmModuleId(Guid.NewGuid(), DebugHelpers.NullcSymbolProviderGuid);
processData.vmModule = DkmModule.Create(moduleId, "nullc.vm.code", processData.compilerId, process.Connection, null);
}
if (processData.vmModuleInstance == null)
{
DkmDynamicSymbolFileId symbolFileId = DkmDynamicSymbolFileId.Create(DebugHelpers.NullcSymbolProviderGuid);
processData.vmModuleInstance = DkmCustomModuleInstance.Create("nullc_vm", "nullc.vm.code", 0, processData.vmRuntimeInstance, null, symbolFileId, DkmModuleFlags.None, DkmModuleMemoryLayout.Unknown, 0, 1, 0, "nullc vm code", false, null, null, null);
processData.vmModuleInstance.SetModule(processData.vmModule, true); // Can use reload?
}
ulong moduleBase = moduleBaseOpt.GetValueOrDefault(0);
uint moduleSize = (uint)(DebugHelpers.ReadPointerVariable(process, "nullcModuleEndAddress").GetValueOrDefault(0) - moduleBase);
// Create JiT runtime and module
if (moduleBase != 0 && moduleSize != 0)
{
if (processData.runtimeInstance == null && processData.nativeRuntimeInstance == null)
{
DkmRuntimeInstanceId runtimeId = new DkmRuntimeInstanceId(DebugHelpers.NullcRuntimeGuid, 0);
if (DebugHelpers.useNativeInterfaces)
{
processData.nativeRuntimeInstance = DebugHelpers.useDefaultRuntimeInstance ? process.GetNativeRuntimeInstance() : DkmNativeRuntimeInstance.Create(process, runtimeId, DkmRuntimeCapabilities.None, process.GetNativeRuntimeInstance(), null);
}
else
{
processData.runtimeInstance = DkmCustomRuntimeInstance.Create(process, runtimeId, null);
}
}
if (processData.module == null)
{
DkmModuleId moduleId = new DkmModuleId(Guid.NewGuid(), DebugHelpers.NullcSymbolProviderGuid);
processData.module = DkmModule.Create(moduleId, "nullc.embedded.code", processData.compilerId, process.Connection, null);
}
if (processData.moduleInstance == null && processData.nativeModuleInstance == null)
{
DkmDynamicSymbolFileId symbolFileId = DkmDynamicSymbolFileId.Create(DebugHelpers.NullcSymbolProviderGuid);
if (DebugHelpers.useNativeInterfaces)
{
processData.nativeModuleInstance = DkmNativeModuleInstance.Create("nullc", "nullc.embedded.code", 0, null, symbolFileId, DkmModuleFlags.None, DkmModuleMemoryLayout.Unknown, 1, "nullc embedded code", processData.nativeRuntimeInstance, moduleBase, moduleSize, Microsoft.VisualStudio.Debugger.Clr.DkmClrHeaderStatus.NativeBinary, false, null, null, null);
processData.nativeModuleInstance.SetModule(processData.module, true); // Can use reload?
}
else
{
processData.moduleInstance = DkmCustomModuleInstance.Create("nullc", "nullc.embedded.code", 0, processData.runtimeInstance, null, symbolFileId, DkmModuleFlags.None, DkmModuleMemoryLayout.Unknown, moduleBase, 1, moduleSize, "nullc embedded code", false, null, null, null);
processData.moduleInstance.SetModule(processData.module, true); // Can use reload?
}
}
}
// Update bytecode
var moduleBytecodeVersion = DebugHelpers.ReadPointerVariable(process, "nullcModuleBytecodeVersion").GetValueOrDefault(0);
if (processData.moduleBytecodeLocation != 0 && moduleBytecodeVersion != processData.moduleBytecodeVersion)
{
processData.moduleBytecodeLocation = 0;
processData.moduleBytecodeSize = 0;
processData.moduleBytecodeRaw = null;
processData.bytecode = null;
}
if (processData.moduleBytecodeLocation == 0)
{
processData.moduleBytecodeLocation = DebugHelpers.ReadPointerVariable(process, "nullcModuleBytecodeLocation").GetValueOrDefault(0);
processData.moduleBytecodeSize = DebugHelpers.ReadPointerVariable(process, "nullcModuleBytecodeSize").GetValueOrDefault(0);
processData.moduleBytecodeVersion = moduleBytecodeVersion;
if (processData.moduleBytecodeLocation != 0)
{
processData.moduleBytecodeRaw = new byte[processData.moduleBytecodeSize];
process.ReadMemory(processData.moduleBytecodeLocation, DkmReadMemoryFlags.None, processData.moduleBytecodeRaw);
processData.bytecode = new NullcBytecode();
processData.bytecode.ReadFrom(processData.moduleBytecodeRaw, DebugHelpers.Is64Bit(process));
// Notify local component about bytecode update
var message = DkmCustomMessage.Create(process.Connection, process, DebugHelpers.NullcReloadSymbolsMessageGuid, 1, null, null);
message.SendHigher();
}
}
}
catch (Exception ex)
{
Console.WriteLine("OnProcessPause failed with: " + ex.ToString());
}
}