// Sets the next statement to the given stack frame and code context.
int IDebugThread2.SetNextStatement(IDebugStackFrame2 stackFrame, IDebugCodeContext2 codeContext)
{
// CLRDBG TODO: This implementation should be changed to call an MI command
ulong addr = ((AD7MemoryAddress)codeContext).Address;
AD7StackFrame frame = ((AD7StackFrame)stackFrame);
if (frame.ThreadContext.Level != 0 || frame.Thread != this || !frame.ThreadContext.pc.HasValue || _engine.DebuggedProcess.MICommandFactory.Mode == MIMode.Clrdbg)
{
return(Constants.S_FALSE);
}
string toFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, addr);
string fromFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, frame.ThreadContext.pc.Value);
if (toFunc != fromFunc)
{
return(Constants.S_FALSE);
}
string result = frame.EvaluateExpression("$pc=" + EngineUtils.AsAddr(addr));
if (result != null)
{
_engine.DebuggedProcess.ThreadCache.MarkDirty();
return(Constants.S_OK);
}
return(Constants.S_FALSE);
}
// Gets the name of the stack frame.
// The name of a stack frame is typically the name of the method being executed.
int IDebugStackFrame2.GetName(out string name)
{
name = null;
try
{
if (_functionName != null)
{
name = _functionName;
}
else
{
name = EngineUtils.GetAddressDescription(Engine.DebuggedProcess, ThreadContext.pc.Value);
}
return(Constants.S_OK);
}
catch (MIException e)
{
return(e.HResult);
}
catch (Exception e)
{
return(EngineUtils.UnexpectedException(e));
}
}
// Sets the next statement to the given stack frame and code context.
int IDebugThread2.SetNextStatement(IDebugStackFrame2 stackFrame, IDebugCodeContext2 codeContext)
{
ulong addr = ((AD7MemoryAddress)codeContext).Address;
AD7StackFrame frame = ((AD7StackFrame)stackFrame);
if (frame.ThreadContext.Level != 0 || frame.Thread != this || !frame.ThreadContext.pc.HasValue)
{
return(Constants.S_FALSE);
}
string toFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, addr);
string fromFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, frame.ThreadContext.pc.Value);
if (toFunc != fromFunc)
{
return(Constants.S_FALSE);
}
string result = frame.EvaluateExpression("$pc=" + EngineUtils.AsAddr(addr, _engine.DebuggedProcess.Is64BitArch));
if (result != null)
{
_engine.DebuggedProcess.ThreadCache.MarkDirty();
return(Constants.S_OK);
}
return(Constants.S_FALSE);
}
// Determines whether the next statement can be set to the given stack frame and code context.
int IDebugThread2.CanSetNextStatement(IDebugStackFrame2 stackFrame, IDebugCodeContext2 codeContext)
{
ulong addr = ((AD7MemoryAddress)codeContext).Address;
AD7StackFrame frame = ((AD7StackFrame)stackFrame);
if (frame.ThreadContext.Level != 0 || frame.Thread != this || !frame.ThreadContext.pc.HasValue)
{
return(Constants.S_FALSE);
}
if (addr == frame.ThreadContext.pc)
{
return(Constants.S_OK);
}
string toFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, addr);
string fromFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, frame.ThreadContext.pc.Value);
if (toFunc != fromFunc)
{
return(Constants.S_FALSE);
}
return(Constants.S_OK);
}
// Determines whether the next statement can be set to the given stack frame and code context.
int IDebugThread2.CanSetNextStatement(IDebugStackFrame2 stackFrame, IDebugCodeContext2 codeContext)
{
// CLRDBG TODO: This implementation should be changed to compare the method token
ulong addr = ((AD7MemoryAddress)codeContext).Address;
AD7StackFrame frame = ((AD7StackFrame)stackFrame);
if (frame.ThreadContext.Level != 0 || frame.Thread != this || !frame.ThreadContext.pc.HasValue || _engine.DebuggedProcess.MICommandFactory.Mode == MIMode.Clrdbg)
{
return(Constants.S_FALSE);
}
if (addr == frame.ThreadContext.pc)
{
return(Constants.S_OK);
}
string toFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, addr);
string fromFunc = EngineUtils.GetAddressDescription(_engine.DebuggedProcess, frame.ThreadContext.pc.Value);
if (toFunc != fromFunc)
{
return(Constants.S_FALSE);
}
return(Constants.S_OK);
}
public string GetAddressDescription(ulong ip)
{
return(EngineUtils.GetAddressDescription(_debuggedProcess, ip));
}
// Construct a FRAMEINFO for this stack frame with the requested information.
public void SetFrameInfo(enum_FRAMEINFO_FLAGS dwFieldSpec, out FRAMEINFO frameInfo, List <SimpleVariableInformation> parameters)
{
frameInfo = new FRAMEINFO();
DebuggedModule module = ThreadContext.FindModule(Engine.DebuggedProcess);
// The debugger is asking for the formatted name of the function which is displayed in the callstack window.
// There are several optional parts to this name including the module, argument types and values, and line numbers.
// The optional information is requested by setting flags in the dwFieldSpec parameter.
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME) != 0)
{
// If there is source information, construct a string that contains the module name, function name, and optionally argument names and values.
if (_textPosition != null)
{
frameInfo.m_bstrFuncName = "";
if (module != null && (dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_MODULE) != 0)
{
frameInfo.m_bstrFuncName = System.IO.Path.GetFileName(module.Name) + "!";
}
frameInfo.m_bstrFuncName += _functionName;
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS) != 0 && !Engine.DebuggedProcess.MICommandFactory.SupportsFrameFormatting)
{
frameInfo.m_bstrFuncName += "(";
if (parameters != null && parameters.Count > 0)
{
for (int i = 0; i < parameters.Count; i++)
{
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_TYPES) != 0)
{
frameInfo.m_bstrFuncName += parameters[i].TypeName + " ";
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_NAMES) != 0)
{
frameInfo.m_bstrFuncName += parameters[i].Name;
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_NAMES) != 0 &&
(dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_VALUES) != 0)
{
frameInfo.m_bstrFuncName += "=";
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_VALUES) != 0)
{
frameInfo.m_bstrFuncName += parameters[i].Value;
}
if (i < parameters.Count - 1)
{
frameInfo.m_bstrFuncName += ", ";
}
}
}
frameInfo.m_bstrFuncName += ")";
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_LINES) != 0)
{
frameInfo.m_bstrFuncName += string.Format(CultureInfo.CurrentCulture, " Line {0}", _textPosition.BeginPosition.dwLine + 1);
}
}
else
{
// No source information, so only return the module name and the instruction pointer.
if (_functionName != null)
{
if (module != null)
{
frameInfo.m_bstrFuncName = System.IO.Path.GetFileName(module.Name) + '!' + _functionName;
}
else
{
frameInfo.m_bstrFuncName = _functionName;
}
}
else if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_MODULE) != 0 && module != null)
{
frameInfo.m_bstrFuncName = module.Name + '!' + EngineUtils.GetAddressDescription(Engine.DebuggedProcess, ThreadContext.pc.Value);
}
else
{
frameInfo.m_bstrFuncName = EngineUtils.GetAddressDescription(Engine.DebuggedProcess, ThreadContext.pc.Value);
}
}
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_FUNCNAME;
}
// The debugger is requesting the name of the module for this stack frame.
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_MODULE) != 0)
{
if (module != null)
{
frameInfo.m_bstrModule = module.Name;
}
else
{
frameInfo.m_bstrModule = "";
}
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_MODULE;
}
// The debugger is requesting the range of memory addresses for this frame.
// For the sample engine, this is the contents of the frame pointer.
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_STACKRANGE) != 0)
{
frameInfo.m_addrMin = ThreadContext.sp;
frameInfo.m_addrMax = ThreadContext.sp;
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_STACKRANGE;
}
// The debugger is requesting the IDebugStackFrame2 value for this frame info.
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FRAME) != 0)
{
frameInfo.m_pFrame = this;
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_FRAME;
}
// Does this stack frame of symbols loaded?
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_DEBUGINFO) != 0)
{
frameInfo.m_fHasDebugInfo = _textPosition != null ? 1 : 0;
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_DEBUGINFO;
}
// Is this frame stale?
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_STALECODE) != 0)
{
frameInfo.m_fStaleCode = 0;
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_STALECODE;
}
// The debugger would like a pointer to the IDebugModule2 that contains this stack frame.
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_DEBUG_MODULEP) != 0)
{
if (module != null)
{
AD7Module ad7Module = (AD7Module)module.Client;
Debug.Assert(ad7Module != null);
frameInfo.m_pModule = ad7Module;
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_DEBUG_MODULEP;
}
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FLAGS) != 0)
{
if (_codeCxt == null && _documentCxt == null)
{
frameInfo.m_dwFlags |= (uint)enum_FRAMEINFO_FLAGS_VALUES.FIFV_ANNOTATEDFRAME;
}
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_FLAGS;
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_LANGUAGE) != 0)
{
Guid unused = Guid.Empty;
if (GetLanguageInfo(ref frameInfo.m_bstrLanguage, ref unused) == 0)
{
frameInfo.m_dwValidFields |= enum_FRAMEINFO_FLAGS.FIF_LANGUAGE;
}
}
}
