/// <summary>
/// Function tries to bind a breakpoint to the specified module.
/// </summary>
/// <param name="managedModule">A module the breakpoint should be bound to.</param>
/// <returns>true if breakpoint was successfully bound or false if it failed or was already bound.</returns>
/// <remarks>
/// This function is called by breakpoint manager for every brekapoint whenever a new module
/// gets loaded into the debugged process or whenever a dynamic module loads a new class
/// or new symbols. This adds any missing bindings, but will not duplicate any that already exist.
/// </remarks>
public sealed override bool BindToModule(MDbgModule managedModule)
{
List <MDbgFunction> funcs;
int ILoffset;
// If we already bound a breakpoint in this module then nothing to do
if (m_breakpoints != null && m_breakpoints.ContainsKey(managedModule))
{
return(false);
}
// If we can't resolve the location in this module then there is nothing to do
if (!m_location.ResolveLocation(this, managedModule, out funcs, out ILoffset))
{
return(false);
}
// Use the resolved information to get a raw CorBreakpoint object.
CorFunctionBreakpoint breakpoint = null;
try
{
if (ILoffset == 0)
{
foreach (var func in funcs)
{
breakpoint = func.CorFunction.CreateBreakpoint();
SetupBreakpoint(breakpoint, managedModule);
}
}
else
{
foreach (var func in funcs)
{
// we need to set a breakpoint on code rather than directly on function
CorCode code = func.CorFunction.ILCode;
if (code == null)
{
throw new MDbgException(String.Format(CultureInfo.InvariantCulture, "IL Code for function {0} is null", new Object[] { func.FullName }));
}
breakpoint = code.CreateBreakpoint(ILoffset);
SetupBreakpoint(breakpoint, managedModule);
}
}
}
catch (NotImplementedException)
{
return(false);
}
catch (COMException)
{
return(false);
}
return(true);
}
static void ProcessCommand(CorProcess process)
{
Task.Run(() =>
{
while (true)
{
Console.Write("> ");
String command = Console.ReadLine();
if (command.StartsWith("set-break", StringComparison.Ordinal))
{
// setting breakpoint
command = command.Remove(0, "set-break".Length).Trim();
// try module!type.method location (simple regex used)
Match match = methodBreakpointRegex.Match(command);
if (match.Groups["method"].Length > 0)
{
Console.Write("Setting method breakpoint... ");
CorFunction func = process.ResolveFunctionName(match.Groups["module"].Value, match.Groups["class"].Value,
match.Groups["method"].Value);
func.CreateBreakpoint().Activate(true);
Console.WriteLine("done.");
continue;
}
// try file code:line location
match = codeBreakpointRegex.Match(command);
if (match.Groups["filepath"].Length > 0)
{
Console.Write("Setting code breakpoint...");
int offset;
CorCode code = process.ResolveCodeLocation(match.Groups["filepath"].Value,
Int32.Parse(match.Groups["linenum"].Value),
out offset);
code.CreateBreakpoint(offset).Activate(true);
Console.WriteLine("done.");
continue;
}
}
else if (command.StartsWith("go", StringComparison.Ordinal))
{
process.Continue(false);
ProcessCommand(process);
break;
}
}
});
}
/// <summary>
/// Function tries to bind a breakpoint to the specified module.
/// </summary>
/// <param name="managedModule">A module the breakpoint should be bound to.</param>
/// <returns>true if breakpoint was successfully bound or false if it failed or was already bound.</returns>
/// <remarks>
/// This function is called by breakpoint manager for every brekapoint whenever a new module
/// gets loaded into the debugged process or whenever a dynamic module loads a new class
/// or new symbols. This adds any missing bindings, but will not duplicate any that already exist.
/// </remarks>
public sealed override bool BindToModule(MDbgModule managedModule)
{
MDbgFunction func;
int ILoffset;
// If we already bound a breakpoint in this module then nothing to do
if (m_breakpoints != null && m_breakpoints.ContainsKey(managedModule))
{
return(false);
}
// If we can't resolve the location in this module then there is nothing to do
if (!m_location.ResolveLocation(this, managedModule, out func, out ILoffset))
{
return(false);
}
// Use the resolved information to get a raw CorBreakpoint object.
CorFunctionBreakpoint breakpoint = null;
try
{
if (ILoffset == 0)
{
breakpoint = func.CorFunction.CreateBreakpoint();
}
else
{
// we need to set a breakpoint on code rather than directly on function
CorCode code = func.CorFunction.ILCode;
if (code == null)
{
throw new MDbgException(String.Format(CultureInfo.InvariantCulture, "IL Code for function {0} is null", new Object[] { func.FullName }));
}
breakpoint = code.CreateBreakpoint(ILoffset);
}
}
catch (NotImplementedException)
{
return(false);
}
catch (COMException)
{
return(false);
}
// Add the new CorBreakpoint object to our internal list and register a handler for it.
Debug.Assert(breakpoint != null);
breakpoint.Activate(true);
if (m_breakpoints == null)
{
m_breakpoints = new Dictionary <MDbgModule, CorFunctionBreakpoint>();
}
m_breakpoints.Add(managedModule, breakpoint);
MDbgProcess p = managedModule.Process;
CustomBreakpointEventHandler handler = new CustomBreakpointEventHandler(this.InternalOnHitHandler);
p.RegisterCustomBreakpoint(breakpoint, handler);
return(true);
}
/// <summary>
/// Function tries to bind a breakpoint to the specified module.
/// </summary>
/// <param name="managedModule">A module the breakpoint should be bound to.</param>
/// <returns>true if breakpoint was successfully bound or false if it failed or was already bound.</returns>
/// <remarks>
/// This function is called by breakpoint manager for every brekapoint whenever a new module
/// gets loaded into the debugged process or whenever a dynamic module loads a new class
/// or new symbols. This adds any missing bindings, but will not duplicate any that already exist.
/// </remarks>
public sealed override bool BindToModule(MDbgModule managedModule)
{
MDbgFunction func;
int ILoffset;
// Note that in some cases (eg. source/line breakpoints) we may actually
// want to bind to multiple locations in this module instead of just one.
if (!m_location.ResolveLocation(this, managedModule, out func, out ILoffset))
{
return(false);
}
if (m_breakpoints != null)
{
// Assume all breakpoints are CorFunctionBreakpoints.
// If this ever becomes invalid, we'll need a new check here to avoid
// duplicating that type of breakpoint.
foreach (CorFunctionBreakpoint cb in m_breakpoints)
{
// If we find a CorBreakpoint that already matches this location
// don't add a new one, or the debugger will stop twice when it's hit.
// Note that CorFunction instances are 1:1 with a specific function in a
// specific module and AppDomain (but represents all generic instantiations).
if (cb.Function == func.CorFunction && cb.Offset == ILoffset)
{
return(false);
}
}
}
// Use the resolved information to get a raw CorBreakpoint object.
CorBreakpoint breakpoint = null;
try
{
if (ILoffset == 0)
{
breakpoint = func.CorFunction.CreateBreakpoint();
}
else
{
// we need to set a breakpoint on code rather than directly on function
CorCode code = func.CorFunction.ILCode;
if (code == null)
{
throw new MDbgException(String.Format(CultureInfo.InvariantCulture, "IL Code for function {0} is null", new Object[] { func.FullName }));
}
breakpoint = code.CreateBreakpoint(ILoffset);
}
}
catch (COMException)
{
return(false);
}
// Add the new CorBreakpoint object to our internal list and register a handler for it.
Debug.Assert(breakpoint != null);
breakpoint.Activate(true);
if (m_breakpoints == null)
{
m_breakpoints = new ArrayList();
}
m_breakpoints.Add(breakpoint);
MDbgProcess p = managedModule.Process;
CustomBreakpointEventHandler handler = new CustomBreakpointEventHandler(this.InternalOnHitHandler);
p.RegisterCustomBreakpoint(breakpoint, handler);
return(true);
}
