public int GetRequestInfo(enum_BPREQI_FIELDS dwFields, BP_REQUEST_INFO[] pBPRequestInfo)
{
pBPRequestInfo[0].dwFields = enum_BPREQI_FIELDS.BPREQI_BPLOCATION;
if ((dwFields & enum_BPREQI_FIELDS.BPREQI_BPLOCATION) != 0)
{
if (DocumentPosition != null)
{
pBPRequestInfo[0].bpLocation.bpLocationType = (uint)enum_BP_LOCATION_TYPE.BPLT_CODE_FILE_LINE;
pBPRequestInfo[0].bpLocation.unionmember2 = HostMarshal.RegisterDocumentPosition(DocumentPosition);
}
else if (FunctionPosition != null)
{
pBPRequestInfo[0].bpLocation.bpLocationType = (uint)enum_BP_LOCATION_TYPE.BPLT_CODE_FUNC_OFFSET;
pBPRequestInfo[0].bpLocation.unionmember2 = HostMarshal.RegisterFunctionPosition(FunctionPosition);
}
}
if ((dwFields & enum_BPREQI_FIELDS.BPREQI_CONDITION) != 0 && !string.IsNullOrWhiteSpace(Condition))
{
// VSCode only support when true condition for now
pBPRequestInfo[0].dwFields |= enum_BPREQI_FIELDS.BPREQI_CONDITION;
pBPRequestInfo[0].bpCondition.bstrCondition = Condition;
pBPRequestInfo[0].bpCondition.styleCondition = enum_BP_COND_STYLE.BP_COND_WHEN_TRUE;
}
if ((dwFields & enum_BPREQI_FIELDS.BPREQI_PASSCOUNT) != 0)
{
// not supported
}
return(0);
}
// Gets the breakpoint resolution information that describes this breakpoint.
int IDebugBreakpointResolution2.GetResolutionInfo(enum_BPRESI_FIELDS dwFields, BP_RESOLUTION_INFO[] pBPResolutionInfo)
{
if ((dwFields & enum_BPRESI_FIELDS.BPRESI_BPRESLOCATION) != 0)
{
BP_RESOLUTION_LOCATION location = new BP_RESOLUTION_LOCATION();
location.bpType = (uint)_breakType;
if (_breakType == enum_BP_TYPE.BPT_CODE)
{
// The debugger will not QI the IDebugCodeContex2 interface returned here. We must pass the pointer
// to IDebugCodeContex2 and not IUnknown.
AD7MemoryAddress codeContext = new AD7MemoryAddress(_engine, Addr, _functionName);
codeContext.SetDocumentContext(_documentContext);
location.unionmember1 = HostMarshal.RegisterCodeContext(codeContext);
pBPResolutionInfo[0].bpResLocation = location;
pBPResolutionInfo[0].dwFields |= enum_BPRESI_FIELDS.BPRESI_BPRESLOCATION;
}
else if (_breakType == enum_BP_TYPE.BPT_DATA)
{
location.unionmember1 = HostMarshal.GetIntPtrForDataBreakpointAddress(EngineUtils.AsAddr(Addr, _engine.DebuggedProcess.Is64BitArch));
pBPResolutionInfo[0].bpResLocation = location;
pBPResolutionInfo[0].dwFields |= enum_BPRESI_FIELDS.BPRESI_BPRESLOCATION;
}
}
if ((dwFields & enum_BPRESI_FIELDS.BPRESI_PROGRAM) != 0)
{
pBPResolutionInfo[0].pProgram = (IDebugProgram2)_engine;
pBPResolutionInfo[0].dwFields |= enum_BPRESI_FIELDS.BPRESI_PROGRAM;
}
return(Constants.S_OK);
}
// Gets the breakpoint resolution information that describes this breakpoint.
int IDebugBreakpointResolution2.GetResolutionInfo(enum_BPRESI_FIELDS dwFields, BP_RESOLUTION_INFO[] pBPResolutionInfo)
{
if ((dwFields & enum_BPRESI_FIELDS.BPRESI_BPRESLOCATION) != 0)
{
// The sample engine only supports code breakpoints.
BP_RESOLUTION_LOCATION location = new BP_RESOLUTION_LOCATION();
location.bpType = (uint)enum_BP_TYPE.BPT_CODE;
// The debugger will not QI the IDebugCodeContex2 interface returned here. We must pass the pointer
// to IDebugCodeContex2 and not IUnknown.
AD7MemoryAddress codeContext = new AD7MemoryAddress(_engine, Addr, _functionName);
codeContext.SetDocumentContext(_documentContext);
location.unionmember1 = HostMarshal.RegisterCodeContext(codeContext);
pBPResolutionInfo[0].bpResLocation = location;
pBPResolutionInfo[0].dwFields |= enum_BPRESI_FIELDS.BPRESI_BPRESLOCATION;
}
if ((dwFields & enum_BPRESI_FIELDS.BPRESI_PROGRAM) != 0)
{
pBPResolutionInfo[0].pProgram = (IDebugProgram2)_engine;
pBPResolutionInfo[0].dwFields |= enum_BPRESI_FIELDS.BPRESI_PROGRAM;
}
return(Constants.S_OK);
}
private int BindWithTimeout()
{
Task bindTask = null;
_engine.DebuggedProcess.WorkerThread.RunOperation(() =>
{
bindTask = _engine.DebuggedProcess.AddInternalBreakAction(this.BindAsync);
});
bindTask.Wait(_engine.GetBPLongBindTimeout());
if (!bindTask.IsCompleted)
{
//send a low severity warning bp. This will allow the UI to respond quickly, and if the mi debugger doesn't end up binding, this warning will get
//replaced by the real mi debugger error text
this.SetError(new AD7ErrorBreakpoint(this, ResourceStrings.LongBind, enum_BP_ERROR_TYPE.BPET_SEV_LOW | enum_BP_ERROR_TYPE.BPET_TYPE_WARNING), true);
return(Constants.S_FALSE);
}
else
{
if ((enum_BP_LOCATION_TYPE)_bpRequestInfo.bpLocation.bpLocationType == enum_BP_LOCATION_TYPE.BPLT_DATA_STRING)
{
lock (_engine.DebuggedProcess.DataBreakpointVariables)
{
string addressName = HostMarshal.GetDataBreakpointStringForIntPtr(_bpRequestInfo.bpLocation.unionmember3);
if (!_engine.DebuggedProcess.DataBreakpointVariables.Contains(addressName)) // might need to expand condition
{
_engine.DebuggedProcess.DataBreakpointVariables.Add(addressName);
}
}
}
return(Constants.S_OK);
}
}
internal async Task BindAsync()
{
if (CanBind())
{
string documentName = null;
TEXT_POSITION[] startPosition = new TEXT_POSITION[1];
TEXT_POSITION[] endPosition = new TEXT_POSITION[1];
string condition = null;
lock (_boundBreakpoints)
{
if (_bp != null) // already bound
{
Debug.Fail("Breakpoint already bound");
return;
}
IDebugDocumentPosition2 docPosition = HostMarshal.GetDocumentPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
// Get the name of the document that the breakpoint was put in
EngineUtils.CheckOk(docPosition.GetFileName(out documentName));
// Get the location in the document that the breakpoint is in.
EngineUtils.CheckOk(docPosition.GetRange(startPosition, endPosition));
if ((_bpRequestInfo.dwFields & enum_BPREQI_FIELDS.BPREQI_CONDITION) != 0 &&
_bpRequestInfo.bpCondition.styleCondition == enum_BP_COND_STYLE.BP_COND_WHEN_TRUE)
{
condition = _bpRequestInfo.bpCondition.bstrCondition;
}
}
// Bind all breakpoints that match this source and line number.
PendingBreakpoint.BindResult bindResult = await PendingBreakpoint.Bind(documentName, startPosition[0].dwLine + 1, startPosition[0].dwColumn, _engine.DebuggedProcess, condition, this);
lock (_boundBreakpoints)
{
if (bindResult.PendingBreakpoint != null)
{
_bp = bindResult.PendingBreakpoint; // an MI breakpoint object exists: TODO: lock?
}
if (bindResult.BoundBreakpoints == null || bindResult.BoundBreakpoints.Count == 0)
{
_BPError = new AD7ErrorBreakpoint(this, bindResult.ErrorMessage);
_engine.Callback.OnBreakpointError(_BPError);
}
else
{
Debug.Assert(_bp != null);
foreach (BoundBreakpoint bp in bindResult.BoundBreakpoints)
{
AddBoundBreakpoint(bp);
}
}
}
}
}
// Get the document context for this pending breakpoint. A document context is a abstract representation of a source file
// location.
public AD7DocumentContext GetDocumentContext(ulong address, string functionName)
{
IDebugDocumentPosition2 docPosition = HostMarshal.GetDocumentPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
string documentName;
EngineUtils.CheckOk(docPosition.GetFileName(out documentName));
// Get the location in the document that the breakpoint is in.
TEXT_POSITION[] startPosition = new TEXT_POSITION[1];
TEXT_POSITION[] endPosition = new TEXT_POSITION[1];
EngineUtils.CheckOk(docPosition.GetRange(startPosition, endPosition));
AD7MemoryAddress codeContext = new AD7MemoryAddress(_engine, address, functionName);
return(new AD7DocumentContext(new MITextPosition(documentName, startPosition[0], startPosition[0]), codeContext));
}
// Get the document context for this pending breakpoint. A document context is a abstract representation of a source file
// location.
public AD7DocumentContext GetDocumentContext(ulong address, string functionName)
{
if ((enum_BP_LOCATION_TYPE)_bpRequestInfo.bpLocation.bpLocationType == enum_BP_LOCATION_TYPE.BPLT_CODE_FILE_LINE)
{
IDebugDocumentPosition2 docPosition = HostMarshal.GetDocumentPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
string documentName;
EngineUtils.CheckOk(docPosition.GetFileName(out documentName));
// Get the location in the document that the breakpoint is in.
TEXT_POSITION[] startPosition = new TEXT_POSITION[1];
TEXT_POSITION[] endPosition = new TEXT_POSITION[1];
EngineUtils.CheckOk(docPosition.GetRange(startPosition, endPosition));
AD7MemoryAddress codeContext = new AD7MemoryAddress(_engine, address, functionName);
return(new AD7DocumentContext(new MITextPosition(documentName, startPosition[0], startPosition[0]), codeContext, _engine.DebuggedProcess));
}
else
{
return(null);
}
}
internal async Task BindAsync()
{
if (CanBind())
{
string documentName = null;
string functionName = null;
TEXT_POSITION[] startPosition = new TEXT_POSITION[1];
TEXT_POSITION[] endPosition = new TEXT_POSITION[1];
string condition = null;
string address = null;
ulong codeAddress = 0;
uint size = 0;
IEnumerable <Checksum> checksums = null;
lock (_boundBreakpoints)
{
if (_bp != null) // already bound
{
Debug.Fail("Breakpoint already bound");
return;
}
if ((_bpRequestInfo.dwFields & enum_BPREQI_FIELDS.BPREQI_CONDITION) != 0 &&
_bpRequestInfo.bpCondition.styleCondition == enum_BP_COND_STYLE.BP_COND_WHEN_TRUE)
{
condition = _bpRequestInfo.bpCondition.bstrCondition;
}
if ((_bpRequestInfo.dwFields & enum_BPREQI_FIELDS.BPREQI_BPLOCATION) != 0)
{
switch ((enum_BP_LOCATION_TYPE)_bpRequestInfo.bpLocation.bpLocationType)
{
case enum_BP_LOCATION_TYPE.BPLT_CODE_FUNC_OFFSET:
{
IDebugFunctionPosition2 functionPosition = HostMarshal.GetDebugFunctionPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
EngineUtils.CheckOk(functionPosition.GetFunctionName(out functionName));
break;
}
case enum_BP_LOCATION_TYPE.BPLT_CODE_CONTEXT:
{
IDebugCodeContext2 codePosition = HostMarshal.GetDebugCodeContextForIntPtr(_bpRequestInfo.bpLocation.unionmember1);
if (!(codePosition is AD7MemoryAddress))
{
goto default; // context is not from this engine
}
codeAddress = ((AD7MemoryAddress)codePosition).Address;
break;
}
case enum_BP_LOCATION_TYPE.BPLT_CODE_FILE_LINE:
{
IDebugDocumentPosition2 docPosition = HostMarshal.GetDocumentPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
// Get the name of the document that the breakpoint was put in
EngineUtils.CheckOk(docPosition.GetFileName(out documentName));
// Get the location in the document that the breakpoint is in.
EngineUtils.CheckOk(docPosition.GetRange(startPosition, endPosition));
// Get the document checksum
// TODO: This and all other AD7 interface calls need to be moved so that they are only
// executed from the main thread.
// Github issue: https://github.com/Microsoft/MIEngine/issues/350
if (_engine.DebuggedProcess.MICommandFactory.SupportsBreakpointChecksums())
{
try
{
checksums = GetSHA1Checksums();
}
catch (Exception)
{
// If we fail to get a checksum there's nothing else we can do
}
}
break;
}
case enum_BP_LOCATION_TYPE.BPLT_DATA_STRING:
{
address = HostMarshal.GetDataBreakpointStringForIntPtr(_bpRequestInfo.bpLocation.unionmember3);
size = (uint)_bpRequestInfo.bpLocation.unionmember4;
if (condition != null)
{
goto default; // mi has no conditions on watchpoints
}
break;
}
default:
{
this.SetError(new AD7ErrorBreakpoint(this, ResourceStrings.UnsupportedBreakpoint), true);
return;
}
}
}
}
PendingBreakpoint.BindResult bindResult;
// Bind all breakpoints that match this source and line number.
if (documentName != null)
{
bindResult = await PendingBreakpoint.Bind(documentName, startPosition[0].dwLine + 1, startPosition[0].dwColumn, _engine.DebuggedProcess, condition, _enabled, checksums, this);
}
else if (functionName != null)
{
bindResult = await PendingBreakpoint.Bind(functionName, _engine.DebuggedProcess, condition, _enabled, this);
}
else if (codeAddress != 0)
{
bindResult = await PendingBreakpoint.Bind(codeAddress, _engine.DebuggedProcess, condition, _enabled, this);
}
else
{
bindResult = await PendingBreakpoint.Bind(address, size, _engine.DebuggedProcess, condition, this);
}
lock (_boundBreakpoints)
{
if (bindResult.PendingBreakpoint != null)
{
_bp = bindResult.PendingBreakpoint; // an MI breakpoint object exists: TODO: lock?
}
if (bindResult.BoundBreakpoints == null || bindResult.BoundBreakpoints.Count == 0)
{
this.SetError(new AD7ErrorBreakpoint(this, bindResult.ErrorMessage), true);
}
else
{
Debug.Assert(_bp != null);
foreach (BoundBreakpoint bp in bindResult.BoundBreakpoints)
{
AddBoundBreakpoint(bp);
}
}
}
}
}
// Binds this pending breakpoint to one or more code locations.
int IDebugPendingBreakpoint2.Bind()
{
try
{
if (CanBind())
{
// Make sure that HostMarshal calls happen on main thread instead of poll thread.
lock (_boundBreakpoints)
{
if (_bp != null) // already bound
{
Debug.Fail("Breakpoint already bound");
return(Constants.S_FALSE);
}
if ((_bpRequestInfo.dwFields & enum_BPREQI_FIELDS.BPREQI_CONDITION) != 0 &&
_bpRequestInfo.bpCondition.styleCondition == enum_BP_COND_STYLE.BP_COND_WHEN_TRUE)
{
_condition = _bpRequestInfo.bpCondition.bstrCondition;
}
if ((_bpRequestInfo.dwFields & enum_BPREQI_FIELDS.BPREQI_BPLOCATION) != 0)
{
switch ((enum_BP_LOCATION_TYPE)_bpRequestInfo.bpLocation.bpLocationType)
{
case enum_BP_LOCATION_TYPE.BPLT_CODE_FUNC_OFFSET:
try
{
IDebugFunctionPosition2 functionPosition = HostMarshal.GetDebugFunctionPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
EngineUtils.CheckOk(functionPosition.GetFunctionName(out _functionName));
}
finally
{
HostMarshal.Release(_bpRequestInfo.bpLocation.unionmember2);
}
break;
case enum_BP_LOCATION_TYPE.BPLT_CODE_CONTEXT:
try
{
IDebugCodeContext2 codePosition = HostMarshal.GetDebugCodeContextForIntPtr(_bpRequestInfo.bpLocation.unionmember1);
if (!(codePosition is AD7MemoryAddress))
{
goto default; // context is not from this engine
}
_codeAddress = ((AD7MemoryAddress)codePosition).Address;
}
finally
{
HostMarshal.Release(_bpRequestInfo.bpLocation.unionmember1);
}
break;
case enum_BP_LOCATION_TYPE.BPLT_CODE_FILE_LINE:
try
{
IDebugDocumentPosition2 docPosition = HostMarshal.GetDocumentPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
// Get the name of the document that the breakpoint was put in
EngineUtils.CheckOk(docPosition.GetFileName(out _documentName));
// Get the location in the document that the breakpoint is in.
EngineUtils.CheckOk(docPosition.GetRange(_startPosition, _endPosition));
}
finally
{
HostMarshal.Release(_bpRequestInfo.bpLocation.unionmember2);
}
// Get the document checksum
if (_engine.DebuggedProcess.MICommandFactory.SupportsBreakpointChecksums())
{
try
{
_checksums = GetSHA1Checksums();
}
catch (Exception)
{
// If we fail to get a checksum there's nothing else we can do
}
}
break;
case enum_BP_LOCATION_TYPE.BPLT_DATA_STRING:
_address = HostMarshal.GetDataBreakpointStringForIntPtr(_bpRequestInfo.bpLocation.unionmember3);
_size = (uint)_bpRequestInfo.bpLocation.unionmember4;
if (_condition != null)
{
goto default; // mi has no conditions on watchpoints
}
break;
default:
this.SetError(new AD7ErrorBreakpoint(this, ResourceStrings.UnsupportedBreakpoint), true);
return(Constants.S_FALSE);
}
}
}
Task bindTask = null;
_engine.DebuggedProcess.WorkerThread.RunOperation(() =>
{
bindTask = _engine.DebuggedProcess.AddInternalBreakAction(this.BindAsync);
});
bindTask.Wait(_engine.GetBPLongBindTimeout());
if (!bindTask.IsCompleted)
{
//send a low severity warning bp. This will allow the UI to respond quickly, and if the mi debugger doesn't end up binding, this warning will get
//replaced by the real mi debugger error text
this.SetError(new AD7ErrorBreakpoint(this, ResourceStrings.LongBind, enum_BP_ERROR_TYPE.BPET_SEV_LOW | enum_BP_ERROR_TYPE.BPET_TYPE_WARNING), true);
return(Constants.S_FALSE);
}
else
{
return(Constants.S_OK);
}
}
else
{
// The breakpoint could not be bound. This may occur for many reasons such as an invalid location, an invalid expression, etc...
_engine.Callback.OnBreakpointError(_BPError);
return(Constants.S_FALSE);
}
}
catch (MIException e)
{
return(e.HResult);
}
catch (AggregateException e)
{
if (e.GetBaseException() is InvalidCoreDumpOperationException)
{
return(AD7_HRESULT.E_CRASHDUMP_UNSUPPORTED);
}
else
{
return(EngineUtils.UnexpectedException(e));
}
}
catch (InvalidCoreDumpOperationException)
{
return(AD7_HRESULT.E_CRASHDUMP_UNSUPPORTED);
}
catch (Exception e)
{
return(EngineUtils.UnexpectedException(e));
}
}
public EngineCallback(AD7Engine engine, IDebugEventCallback2 ad7Callback)
{
_engine = engine;
_eventCallback = HostMarshal.GetThreadSafeEventCallback(ad7Callback);
}
// Binds this pending breakpoint to one or more code locations.
int IDebugPendingBreakpoint2.Bind()
{
try
{
if (CanBind())
{
// Make sure that HostMarshal calls happen on main thread instead of poll thread.
lock (_boundBreakpoints)
{
if (_bp != null) // already bound
{
Debug.Fail("Breakpoint already bound");
return(Constants.S_FALSE);
}
if ((_bpRequestInfo.dwFields & enum_BPREQI_FIELDS.BPREQI_CONDITION) != 0 &&
_bpRequestInfo.bpCondition.styleCondition == enum_BP_COND_STYLE.BP_COND_WHEN_TRUE)
{
_condition = _bpRequestInfo.bpCondition.bstrCondition;
}
if ((_bpRequestInfo.dwFields & enum_BPREQI_FIELDS.BPREQI_BPLOCATION) != 0)
{
switch ((enum_BP_LOCATION_TYPE)_bpRequestInfo.bpLocation.bpLocationType)
{
case enum_BP_LOCATION_TYPE.BPLT_CODE_FUNC_OFFSET:
try
{
IDebugFunctionPosition2 functionPosition = HostMarshal.GetDebugFunctionPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
EngineUtils.CheckOk(functionPosition.GetFunctionName(out _functionName));
}
finally
{
HostMarshal.Release(_bpRequestInfo.bpLocation.unionmember2);
}
break;
case enum_BP_LOCATION_TYPE.BPLT_CODE_CONTEXT:
try
{
IDebugCodeContext2 codePosition = HostMarshal.GetDebugCodeContextForIntPtr(_bpRequestInfo.bpLocation.unionmember1);
if (!(codePosition is AD7MemoryAddress))
{
goto default; // context is not from this engine
}
_codeAddress = ((AD7MemoryAddress)codePosition).Address;
}
finally
{
HostMarshal.Release(_bpRequestInfo.bpLocation.unionmember1);
}
break;
case enum_BP_LOCATION_TYPE.BPLT_CODE_FILE_LINE:
try
{
IDebugDocumentPosition2 docPosition = HostMarshal.GetDocumentPositionForIntPtr(_bpRequestInfo.bpLocation.unionmember2);
// Get the name of the document that the breakpoint was put in
EngineUtils.CheckOk(docPosition.GetFileName(out _documentName));
// Get the location in the document that the breakpoint is in.
EngineUtils.CheckOk(docPosition.GetRange(_startPosition, _endPosition));
}
finally
{
HostMarshal.Release(_bpRequestInfo.bpLocation.unionmember2);
}
// Get the document checksum
if (_engine.DebuggedProcess.MICommandFactory.SupportsBreakpointChecksums())
{
try
{
_checksums = GetSHA1Checksums();
}
catch (Exception)
{
// If we fail to get a checksum there's nothing else we can do
}
}
break;
case enum_BP_LOCATION_TYPE.BPLT_DATA_STRING:
string address = HostMarshal.GetDataBreakpointStringForIntPtr(_bpRequestInfo.bpLocation.unionmember3);
if (address.Contains(","))
{
this.AddressId = address;
_address = address.Split(',')[0];
}
else
{
this.AddressId = null;
_address = address;
}
_size = (uint)_bpRequestInfo.bpLocation.unionmember4;
if (_condition != null)
{
goto default; // mi has no conditions on watchpoints
}
break;
default:
this.SetError(new AD7ErrorBreakpoint(this, ResourceStrings.UnsupportedBreakpoint), true);
return(Constants.S_FALSE);
}
}
}
if (!_enabled && IsHardwareBreakpoint)
{
return(Constants.S_OK);
}
return(BindWithTimeout());
}
else
{
// The breakpoint could not be bound. This may occur for many reasons such as an invalid location, an invalid expression, etc...
_engine.Callback.OnBreakpointError(_BPError);
return(Constants.S_FALSE);
}
}
catch (MIException e)
{
return(e.HResult);
}
catch (AggregateException e)
{
if (e.GetBaseException() is InvalidCoreDumpOperationException)
{
return(AD7_HRESULT.E_CRASHDUMP_UNSUPPORTED);
}
else
{
return(EngineUtils.UnexpectedException(e));
}
}
catch (InvalidCoreDumpOperationException)
{
return(AD7_HRESULT.E_CRASHDUMP_UNSUPPORTED);
}
catch (Exception e)
{
return(EngineUtils.UnexpectedException(e));
}
}
