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()); } }
void IDkmProcessExecutionNotification.OnProcessResume(DkmProcess process, DkmProcessExecutionCounters processCounters) { var processData = DebugHelpers.GetOrCreateDataItem <NullcRemoteProcessDataItem>(process); // Third stage of breakpoint handling - schedule a single step so we will move from the instruction location where debug break instruction must be restored (int 3) if (processData.lastHitBreakpointLocation != 0) { var singleStepRequest = DkmSingleStepRequest.Create(DebugHelpers.NullcStepperBreakpointSourceId, processData.singleStepThread); singleStepRequest.EnableSingleStep(); } }