int IDebugEngine2.ContinueFromSynchronousEvent(IDebugEvent2 aEvent)
{
// Called by the SDM to indicate that a synchronous debug event, previously sent by the DE to the SDM,
// was received and processed. The only event the engine sends in this fashion is Program Destroy.
// It responds to that event by shutting down the engine.
//
// This is used in some cases - I set a BP here and it does get hit sometime during breakpoints
// being triggered for example.
try {
if (aEvent is AD7ProgramDestroyEvent)
{
mEngineCallback = null;
mProgramID = Guid.Empty;
mThread = null;
mProgNode = null;
}
else
{
System.Diagnostics.Debug.Fail("Unknown synchronious event");
}
} catch (Exception e) {
return(EngineUtils.UnexpectedException(e));
}
return(VSConstants.S_OK);
}
// During startup these methods are called in this order:
// -LaunchSuspended
// -ResumeProcess
// -Attach - Triggered by Attach
int IDebugEngineLaunch2.LaunchSuspended(string aPszServer, IDebugPort2 aPort, string aDebugInfo
, string aArgs, string aDir, string aEnv, string aOptions, enum_LAUNCH_FLAGS aLaunchFlags
, uint aStdInputHandle, uint aStdOutputHandle, uint hStdError, IDebugEventCallback2 aAD7Callback
, out IDebugProcess2 oProcess)
{
// Launches a process by means of the debug engine.
// Normally, Visual Studio launches a program using the IDebugPortEx2::LaunchSuspended method and then attaches the debugger
// to the suspended program. However, there are circumstances in which the debug engine may need to launch a program
// (for example, if the debug engine is part of an interpreter and the program being debugged is an interpreted language),
// in which case Visual Studio uses the IDebugEngineLaunch2::LaunchSuspended method
// The IDebugEngineLaunch2::ResumeProcess method is called to start the process after the process has been successfully launched in a suspended state.
oProcess = null;
try {
mEngineCallback = new EngineCallback(this, aAD7Callback);
var xDebugInfo = new NameValueCollection();
NameValueCollectionHelper.LoadFromString(xDebugInfo, aDebugInfo);
//TODO: In the future we might support command line args for kernel etc
//string xCmdLine = EngineUtils.BuildCommandLine(exe, args);
//var processLaunchInfo = new ProcessLaunchInfo(exe, xCmdLine, dir, env, options, launchFlags, hStdInput, hStdOutput, hStdError);
AD7EngineCreateEvent.Send(this);
oProcess = mProcess = new AD7Process(xDebugInfo, mEngineCallback, this, aPort);
// We only support one process, so just use its ID for the program ID
mProgramID = mProcess.ID;
//AD7ThreadCreateEvent.Send(this, xProcess.Thread);
mModule = new AD7Module();
mProgNode = new AD7ProgramNode(mProcess.PhysID);
} catch (NotSupportedException) {
return(VSConstants.S_FALSE);
} catch (Exception e) {
return(EngineUtils.UnexpectedException(e));
}
return(VSConstants.S_OK);
}
internal AD7Process(NameValueCollection aDebugInfo, EngineCallback aCallback, AD7Engine aEngine, IDebugPort2 aPort)
{
mCallback = aCallback;
mDebugInfo = aDebugInfo;
mLaunch = (LaunchType)Enum.Parse(typeof(LaunchType), aDebugInfo[BuildPropertyNames.LaunchString]);
if (mDebugDownPipe == null)
{
mDebugDownPipe = new Cosmos.Debug.Common.PipeClient(Pipes.DownName);
mDebugUpPipe = new Cosmos.Debug.Common.PipeServer(Pipes.UpName);
mDebugUpPipe.DataPacketReceived += mDebugUpPipe_DataPacketReceived;
mDebugUpPipe.Start();
}
else
{
mDebugUpPipe.CleanHandlers();
mDebugUpPipe.DataPacketReceived += mDebugUpPipe_DataPacketReceived;
}
// Must be after mDebugDownPipe is initialized
OutputClear();
OutputText("Debugger process initialized.");
mISO = mDebugInfo["ISOFile"];
OutputText("Using ISO file " + mISO + ".");
mProjectFile = mDebugInfo["ProjectFile"];
//
bool xUseGDB = string.Equals(mDebugInfo[BuildPropertyNames.EnableGDBString], "true", StringComparison.InvariantCultureIgnoreCase);
OutputText("GDB " + (xUseGDB ? "Enabled" : "Disabled") + ".");
//
var xGDBClient = false;
Boolean.TryParse(mDebugInfo[BuildPropertyNames.StartCosmosGDBString], out xGDBClient);
switch (mLaunch)
{
case LaunchType.VMware:
mHost = new Host.VMware(mDebugInfo, xUseGDB);
break;
case LaunchType.Slave:
mHost = new Host.Slave(mDebugInfo, xUseGDB);
break;
case LaunchType.Bochs:
// The project has been created on another machine or Bochs has been uninstalled since the project has
// been created.
if (!BochsSupport.BochsEnabled) { throw new Exception(ResourceStrings.BochsIsNotInstalled); }
string bochsConfigurationFileName = mDebugInfo[BuildProperties.BochsEmulatorConfigurationFileString];
if (string.IsNullOrEmpty(bochsConfigurationFileName))
{
bochsConfigurationFileName = BuildProperties.BochsDefaultConfigurationFileName;
}
if (!Path.IsPathRooted(bochsConfigurationFileName))
{
// Assume the configuration file name is relative to project output path.
bochsConfigurationFileName = Path.Combine(new FileInfo(mDebugInfo["ProjectFile"]).Directory.FullName,
mDebugInfo["OutputPath"], bochsConfigurationFileName);
}
FileInfo bochsConfigurationFile = new FileInfo(bochsConfigurationFileName);
// TODO : What if the configuration file doesn't exist ? This will throw a FileNotFoundException in
// the Bochs class constructor. Is this appropriate behavior ?
mHost = new Host.Bochs(mDebugInfo, xUseGDB, bochsConfigurationFile);
//((Host.Bochs)mHost).FixBochsConfiguration(new KeyValuePair<string, string>[] { new KeyValuePair<string, string>("IsoFileName", mISO) });
break;
case LaunchType.IntelEdison:
mHost = new Host.IntelEdison(mDebugInfo, false);
break;
default:
throw new Exception("Invalid Launch value: '" + mLaunch + "'.");
}
mHost.OnShutDown += HostShutdown;
string xDbPath = Path.ChangeExtension(mISO, "cdb");
if (!File.Exists(xDbPath))
{
throw new Exception("Debug data file " + xDbPath + " not found. Could be a omitted build process of Cosmos project so that not created.");
}
mDebugInfoDb = new DebugInfo(xDbPath);
mDebugInfoDb.LoadLookups();
CreateDebugConnector();
aEngine.BPMgr.SetDebugConnector(mDbgConnector);
mEngine = aEngine;
mThread = new AD7Thread(aEngine, this);
mCallback.OnThreadStart(mThread);
mPort = aPort;
if (xUseGDB && xGDBClient)
{
LaunchGdbClient();
}
}
internal AD7Process(NameValueCollection aDebugInfo, EngineCallback aCallback, AD7Engine aEngine, IDebugPort2 aPort)
{
mCallback = aCallback;
mDebugInfo = aDebugInfo;
mLaunch = (LaunchType)Enum.Parse(typeof(LaunchType), aDebugInfo[BuildPropertyNames.LaunchString]);
if (mDebugDownPipe == null)
{
mDebugDownPipe = new Cosmos.Debug.Common.PipeClient(Pipes.DownName);
mDebugUpPipe = new Cosmos.Debug.Common.PipeServer(Pipes.UpName);
mDebugUpPipe.DataPacketReceived += mDebugUpPipe_DataPacketReceived;
mDebugUpPipe.Start();
}
else
{
mDebugUpPipe.CleanHandlers();
mDebugUpPipe.DataPacketReceived += mDebugUpPipe_DataPacketReceived;
}
// Must be after mDebugDownPipe is initialized
OutputClear();
OutputText("Debugger process initialized.");
mISO = mDebugInfo["ISOFile"];
OutputText("Using ISO file " + mISO + ".");
mProjectFile = mDebugInfo["ProjectFile"];
//
bool xUseGDB = string.Equals(mDebugInfo[BuildPropertyNames.EnableGDBString], "true", StringComparison.InvariantCultureIgnoreCase);
OutputText("GDB " + (xUseGDB ? "Enabled" : "Disabled") + ".");
//
var xGDBClient = false;
Boolean.TryParse(mDebugInfo[BuildPropertyNames.StartCosmosGDBString], out xGDBClient);
switch (mLaunch)
{
case LaunchType.VMware:
mHost = new Host.VMware(mDebugInfo, xUseGDB);
break;
case LaunchType.Slave:
mHost = new Host.Slave(mDebugInfo, xUseGDB);
break;
case LaunchType.Bochs:
// The project has been created on another machine or Bochs has been uninstalled since the project has
// been created.
if (!BochsSupport.BochsEnabled)
{
throw new Exception(ResourceStrings.BochsIsNotInstalled);
}
string bochsConfigurationFileName = mDebugInfo[BuildProperties.BochsEmulatorConfigurationFileString];
if (string.IsNullOrEmpty(bochsConfigurationFileName))
{
bochsConfigurationFileName = BuildProperties.BochsDefaultConfigurationFileName;
}
if (!Path.IsPathRooted(bochsConfigurationFileName))
{
// Assume the configuration file name is relative to project output path.
bochsConfigurationFileName = Path.Combine(new FileInfo(mDebugInfo["ProjectFile"]).Directory.FullName,
mDebugInfo["OutputPath"], bochsConfigurationFileName);
}
FileInfo bochsConfigurationFile = new FileInfo(bochsConfigurationFileName);
// TODO : What if the configuration file doesn't exist ? This will throw a FileNotFoundException in
// the Bochs class constructor. Is this appropriate behavior ?
mHost = new Host.Bochs(mDebugInfo, xUseGDB, bochsConfigurationFile);
//((Host.Bochs)mHost).FixBochsConfiguration(new KeyValuePair<string, string>[] { new KeyValuePair<string, string>("IsoFileName", mISO) });
break;
case LaunchType.IntelEdison:
mHost = new Host.IntelEdison(mDebugInfo, false);
break;
default:
throw new Exception("Invalid Launch value: '" + mLaunch + "'.");
}
mHost.OnShutDown += HostShutdown;
string xDbPath = Path.ChangeExtension(mISO, "cdb");
if (!File.Exists(xDbPath))
{
throw new Exception("Debug data file " + xDbPath + " not found. Could be a omitted build process of Cosmos project so that not created.");
}
mDebugInfoDb = new DebugInfo(xDbPath);
mDebugInfoDb.LoadLookups();
CreateDebugConnector();
aEngine.BPMgr.SetDebugConnector(mDbgConnector);
mEngine = aEngine;
mThread = new AD7Thread(aEngine, this);
mCallback.OnThreadStart(mThread);
mPort = aPort;
if (xUseGDB && xGDBClient)
{
LaunchGdbClient();
}
}
