// Engines notify the debugger about the results of a symbol serach by sending an instance
// of IDebugSymbolSearchEvent2
public void OnSymbolSearch(DebuggedModule module, string status, uint dwStatusFlags)
{
string statusString = (dwStatusFlags == 1 ? "Symbols Loaded - " : "No symbols loaded") + status;
AD7Module ad7Module = new AD7Module(module);
AD7SymbolSearchEvent eventObject = new AD7SymbolSearchEvent(ad7Module, statusString, dwStatusFlags);
Send(eventObject, AD7SymbolSearchEvent.IID, null);
}
public void OnModuleUnload(DebuggedModule debuggedModule)
{
Debug.Assert(Worker.CurrentThreadId == m_engine.DebuggedProcess.PollThreadId);
AD7Module ad7Module = (AD7Module)debuggedModule.Client;
Debug.Assert(ad7Module != null);
AD7ModuleLoadEvent eventObject = new AD7ModuleLoadEvent(ad7Module, false /* this is a module unload */);
Send(eventObject, AD7ModuleLoadEvent.IID, null);
}
// EnumModules is called by the debugger when it needs to enumerate the modules in the program.
public int EnumModules(out IEnumDebugModules2 ppEnum)
{
Debug.Assert(Worker.MainThreadId == Worker.CurrentThreadId);
DebuggedModule[] modules = m_debuggedProcess.GetModules();
AD7Module[] moduleObjects = new AD7Module[modules.Length];
for (int i = 0; i < modules.Length; i++)
{
moduleObjects[i] = new AD7Module(modules[i]);
}
ppEnum = new Microsoft.VisualStudio.Debugger.SampleEngine.AD7ModuleEnum(moduleObjects);
return(Constants.S_OK);
}
public void OnModuleLoad(DebuggedModule debuggedModule)
{
// This will get called when the entrypoint breakpoint is fired because the engine sends a mod-load event
// for the exe.
if (m_engine.DebuggedProcess != null)
{
Debug.Assert(Worker.CurrentThreadId == m_engine.DebuggedProcess.PollThreadId);
}
AD7Module ad7Module = new AD7Module(debuggedModule);
AD7ModuleLoadEvent eventObject = new AD7ModuleLoadEvent(ad7Module, true /* this is a module load */);
debuggedModule.Client = ad7Module;
// The sample engine does not support binding breakpoints as modules load since the primary exe is the only module
// symbols are loaded for. A production debugger will need to bind breakpoints when a new module is loaded.
Send(eventObject, AD7ModuleLoadEvent.IID, null);
}
// Construct a FRAMEINFO for this stack frame with the requested information.
public void SetFrameInfo(enum_FRAMEINFO_FLAGS dwFieldSpec, out FRAMEINFO frameInfo)
{
frameInfo = new FRAMEINFO();
uint ip = m_threadContext.eip;
DebuggedModule module = m_engine.DebuggedProcess.ResolveAddress(ip);
// 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 (m_hasSource)
{
frameInfo.m_bstrFuncName = "";
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_MODULE) != 0)
{
frameInfo.m_bstrFuncName = System.IO.Path.GetFileName(module.Name) + "!";
}
frameInfo.m_bstrFuncName += m_functionName;
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS) != 0 && m_numParameters > 0)
{
frameInfo.m_bstrFuncName += "(";
for (int i = 0; i < m_parameters.Length; i++)
{
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_TYPES) != 0)
{
frameInfo.m_bstrFuncName += m_parameters[i].m_typeName + " ";
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_NAMES) != 0)
{
frameInfo.m_bstrFuncName += m_parameters[i].m_name;
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_ARGS_VALUES) != 0)
{
frameInfo.m_bstrFuncName += "=" + m_parameters[i].m_value;
}
if (i < m_parameters.Length - 1)
{
frameInfo.m_bstrFuncName += ", ";
}
}
frameInfo.m_bstrFuncName += ")";
}
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_LINES) != 0)
{
frameInfo.m_bstrFuncName += " Line:" + m_lineNum.ToString();
}
}
else
{
// No source information, so only return the module name and the instruction pointer.
if ((dwFieldSpec & enum_FRAMEINFO_FLAGS.FIF_FUNCNAME_MODULE) != 0)
{
frameInfo.m_bstrFuncName = EngineUtils.GetAddressDescription(module, ip);
}
else
{
frameInfo.m_bstrFuncName = EngineUtils.GetAddressDescription(null, ip);
}
}
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 && module != null)
{
frameInfo.m_bstrModule = module.Name;
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 = m_threadContext.ebp;
frameInfo.m_addrMax = m_threadContext.ebp;
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 = m_hasSource ? 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;
}
}
}
public AD7SymbolSearchEvent(AD7Module module, string searchInfo, uint symbolFlags)
{
m_module = module;
m_searchInfo = searchInfo;
m_symbolFlags = symbolFlags;
}
public AD7ModuleLoadEvent(AD7Module module, bool fLoad)
{
m_module = module;
m_fLoad = fLoad;
}
public AD7SymbolSearchEvent(AD7Module module, string searchInfo, uint symbolFlags)
{
m_module = module;
m_searchInfo = searchInfo;
m_symbolFlags = symbolFlags;
}
public AD7ModuleLoadEvent(AD7Module module, bool fLoad)
{
m_module = module;
m_fLoad = fLoad;
}
public void OnModuleLoad(DebuggedModule debuggedModule)
{
// This will get called when the entrypoint breakpoint is fired because the engine sends a mod-load event
// for the exe.
if (m_engine.DebuggedProcess != null)
{
Debug.Assert(Worker.CurrentThreadId == m_engine.DebuggedProcess.PollThreadId);
}
AD7Module ad7Module = new AD7Module(debuggedModule);
AD7ModuleLoadEvent eventObject = new AD7ModuleLoadEvent(ad7Module, true /* this is a module load */);
debuggedModule.Client = ad7Module;
// The sample engine does not support binding breakpoints as modules load since the primary exe is the only module
// symbols are loaded for. A production debugger will need to bind breakpoints when a new module is loaded.
Send(eventObject, AD7ModuleLoadEvent.IID, null);
}
// Engines notify the debugger about the results of a symbol serach by sending an instance
// of IDebugSymbolSearchEvent2
public void OnSymbolSearch(DebuggedModule module, string status, uint dwStatusFlags)
{
string statusString = (dwStatusFlags == 1 ? "Symbols Loaded - " : "No symbols loaded") + status;
AD7Module ad7Module = new AD7Module(module);
AD7SymbolSearchEvent eventObject = new AD7SymbolSearchEvent(ad7Module, statusString, dwStatusFlags);
Send(eventObject, AD7SymbolSearchEvent.IID, null);
}
// EnumModules is called by the debugger when it needs to enumerate the modules in the program.
public int EnumModules(out IEnumDebugModules2 ppEnum)
{
Debug.Assert(Worker.MainThreadId == Worker.CurrentThreadId);
DebuggedModule[] modules = m_debuggedProcess.GetModules();
AD7Module[] moduleObjects = new AD7Module[modules.Length];
for (int i = 0; i < modules.Length; i++)
{
moduleObjects[i] = new AD7Module(modules[i]);
}
ppEnum = new Microsoft.VisualStudio.Debugger.SampleEngine.AD7ModuleEnum(moduleObjects);
return Constants.S_OK;
}