public static bool TryCreateFunction(DbgEngDebugger debugger,
DbgEngContext context,
DEBUG_STACK_FRAME_EX nativeStackFrame,
out DbgFunction function,
out ulong displacement)
{
function = null;
displacement = 0;
DbgSymbol sym = null;
try
{
SymbolInfo si = DbgHelp.SymFromInlineContext(debugger.DebuggerInterface,
nativeStackFrame.InstructionOffset,
nativeStackFrame.InlineFrameContext,
out displacement);
sym = new DbgPublicSymbol(debugger, si, debugger.GetCurrentTarget());
function = new DbgNativeFunction(debugger, context, sym);
return(true);
}
catch (DbgProviderException dpe)
{
// Sometimes the debugger doesn't know. E.g., frame 'e' here (from ntsd):
// 0:000> kn
// # Child-SP RetAddr Call Site
// 00 00000000`0058dff8 00000000`76c02ef8 ntdll!NtRequestWaitReplyPort+0xa
// 01 00000000`0058e000 00000000`76c352d1 kernel32!GetConsoleMode+0xf8
// 02 00000000`0058e030 00000000`76c4a60c kernel32!VerifyConsoleIoHandle+0x281
// 03 00000000`0058e180 000007fe`fae30fe1 kernel32!ReadConsoleW+0xbc
// 04 00000000`0058e260 000007fe`fae1eb88 Microsoft_PowerShell_ConsoleHost_ni+0x70fe1
// 05 00000000`0058e390 000007fe`fae2a7e2 Microsoft_PowerShell_ConsoleHost_ni+0x5eb88
// 06 00000000`0058e410 000007fe`fae29fae Microsoft_PowerShell_ConsoleHost_ni+0x6a7e2
// 07 00000000`0058e4c0 000007fe`fae32bd1 Microsoft_PowerShell_ConsoleHost_ni+0x69fae
// 08 00000000`0058e5b0 000007fe`fae235c6 Microsoft_PowerShell_ConsoleHost_ni+0x72bd1
// 09 00000000`0058e670 000007fe`fae23f27 Microsoft_PowerShell_ConsoleHost_ni+0x635c6
// 0a 00000000`0058e6d0 000007fe`fade5006 Microsoft_PowerShell_ConsoleHost_ni+0x63f27
// 0b 00000000`0058e760 000007fe`fade2c1a Microsoft_PowerShell_ConsoleHost_ni+0x25006
// 0c 00000000`0058e7e0 000007fe`fae33588 Microsoft_PowerShell_ConsoleHost_ni+0x22c1a
// 0d 00000000`0058e890 000007fe`97f805de Microsoft_PowerShell_ConsoleHost_ni+0x73588
// 0e 00000000`0058e8f0 000007fe`f777dad3 0x000007fe`97f805de
// 0f 00000000`0058ea80 000007fe`f777d7ae clr!PreBindAssemblyEx+0x13e07
// 10 00000000`0058eac0 000007fe`f777d830 clr!PreBindAssemblyEx+0x13ae2
// 11 00000000`0058eb00 000007fe`f76d0f3b clr!PreBindAssemblyEx+0x13b64
// 12 00000000`0058ecb0 000007fe`f76a9e5a clr!GetHistoryFileDirectory+0x945b
// 13 00000000`0058ee80 000007fe`f76a9d54 clr!InitializeFusion+0x8b12
// 14 00000000`0058f170 000007fe`f76a98ce clr!InitializeFusion+0x8a0c
// 15 00000000`0058f730 000007fe`f76a9826 clr!InitializeFusion+0x8586
// 16 00000000`0058f7a0 000007fe`f76aa078 clr!InitializeFusion+0x84de
// 17 00000000`0058f830 000007fe`f8247b95 clr!CorExeMain+0x14
// 18 00000000`0058f870 000007fe`f82e5b21 mscoreei!CorExeMain+0x5d
// 19 00000000`0058f8c0 00000000`76bf652d mscoree!CorExeMain+0x69
// 1a 00000000`0058f8f0 00000000`772ec521 kernel32!BaseThreadInitThunk+0xd
// 1b 00000000`0058f920 00000000`00000000 ntdll!RtlUserThreadStart+0x21
LogManager.Trace("Could not get symbol for stack frame {0} on thread index {1}. Error: {2}",
nativeStackFrame.FrameNumber,
context.ThreadIndexOrAddress,
Util.GetExceptionMessages(dpe));
}
return(false);
} // end TryCreateFunction()
internal DbgStackFrameInfo(DbgEngDebugger debugger,
DbgUModeThreadInfo thread,
DEBUG_STACK_FRAME_EX nativeFrame,
ClrStackFrame managedFrame)
: this(debugger, thread, nativeFrame, managedFrame, true)
{
}
private unsafe List <FrameInfo> GetCallstackFrames(ThreadContext threadContext)
{
const uint maxFrames = 1024;
var frames = new DEBUG_STACK_FRAME_EX[maxFrames];
var contextSize = threadContext.Size;
byte[] framesBuf = new byte[maxFrames * contextSize];
var machine = GetEffectiveMachine();
uint filled;
List <FrameInfo> retVal;
fixed(byte *framesContext = framesBuf)
{
int res = _control5.GetContextStackTraceEx((IntPtr)threadContext, contextSize, frames, frames.Length,
(IntPtr)framesContext, (uint)framesBuf.Length, contextSize, out filled);
if (res != 0)
{
ThrowDebuggerException(res, "IDebugControl5.GetContextStackTraceEx");
}
retVal = new List <FrameInfo>((int)filled);
}
var intContextSize = (int)contextSize;
for (var i = 0; i < filled; ++i)
{
var frameCtx = new ThreadContext(machine);
Marshal.Copy(framesBuf, i * intContextSize, (IntPtr)frameCtx, intContextSize);
retVal.Add(new FrameInfo(frames[i], frameCtx));
}
return(retVal);
}
public unsafe DEBUG_STACK_FRAME_EX[] GetCallStack(ulong frameOffset, ulong stackOffset, int maxItems)
{
return(RunAsync(() => {
var frames = new DEBUG_STACK_FRAME_EX[maxItems];
uint totalFrames;
Control.GetStackTraceEx(frameOffset, stackOffset, 0, frames, maxItems, &totalFrames).ThrowIfFailed();
Array.Resize(ref frames, (int)totalFrames);
return frames;
}).Result);
}
private DbgUnknownFunction(DbgEngDebugger debugger,
DbgEngContext context,
DEBUG_STACK_FRAME_EX nativeFrame,
ulong address,
string modName,
string funcName)
: base(debugger, context, address, funcName)
{
NativeFrameEx = nativeFrame;
m_modName = modName;
} // end constructor()
} // end constructor()
public static DbgUnknownFunction Create(DbgEngDebugger debugger,
DbgEngContext context,
DEBUG_STACK_FRAME_EX nativeFrame)
{
ulong address = nativeFrame.InstructionOffset;
string modName = null;
string funcName = null;
ulong offset = 0;
string fullname = null;
// If our dbgeng has managed support (or support for whatever this is), let's
// try that:
if (0 != nativeFrame.InstructionOffset)
{
fullname = debugger.TryGetInfoFromFrame(nativeFrame,
out modName,
out funcName,
out offset);
if (String.IsNullOrEmpty(fullname))
{
LogManager.Trace("DbgUnknownFunction.Create: dbgeng doesn't know, either.");
}
}
else
{
LogManager.Trace("DbgUnknownFunction.Create: we have no chance with an InstructionOffset of zero.");
}
if (String.IsNullOrEmpty(fullname))
{
funcName = DbgProvider.FormatUInt64(address, useTick: true);
}
else
{
address = address - offset;
}
return(new DbgUnknownFunction(debugger,
context,
nativeFrame,
address,
modName,
funcName));
} // end static Create() factory
internal DbgStackFrameInfo(DbgEngDebugger debugger,
DbgUModeThreadInfo thread,
DEBUG_STACK_FRAME_EX nativeFrame,
ClrStackFrame managedFrame,
bool alreadySearchManagedFrames)
: base(debugger)
{
if (null == thread)
{
throw new ArgumentNullException("thread");
}
NativeFrameEx = nativeFrame;
Thread = thread;
m_managedFrame = managedFrame;
m_alreadySearchedManagedFrames = alreadySearchManagedFrames;
} // end constructor()
internal DbgStackFrameInfo(DbgEngDebugger debugger,
DbgUModeThreadInfo thread,
DEBUG_STACK_FRAME_EX nativeFrame)
: this(debugger, thread, nativeFrame, null, false)
{
}
public StackFrameViewModel(DEBUG_STACK_FRAME_EX stackFrame)
{
StackFrame = stackFrame;
}
public FrameInfo(DEBUG_STACK_FRAME_EX stackFrame, ThreadContext frameContext)
{
StackFrame = stackFrame;
FrameContext = frameContext;
}
