internal DbgStackFrameInfo(DbgEngDebugger debugger,
DbgUModeThreadInfo thread,
DEBUG_STACK_FRAME_EX nativeFrame,
ClrStackFrame managedFrame)
: this(debugger, thread, nativeFrame, managedFrame, true)
{
}
} // end property Context
private static DbgUModeThreadInfo _ValidateThread(DbgUModeThreadInfo thread)
{
if (null == thread)
{
throw new ArgumentNullException("thread");
}
return(thread);
} // end _ValidateThread()
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 ulong GetImplicitThreadLocalStorageForThread(DbgUModeThreadInfo thread)
{
ulong tlsPointer = thread.ImplicitTlsStorage;
if (0 == tlsPointer)
{
return(0);
}
if (-1 == m_implicitThreadLocalStorageIndex)
{
// In the TEB is a block of pointers to per-DLL TLS storage. Which pointer
// is the one for our DLL? To answer that, we look in the PE header.
var ntHeaders = Debugger.ReadImageNtHeaders(BaseAddress);
if (ntHeaders.OptionalHeader.NumberOfRvaAndSizes <= (uint)ImageDirectoryEntry.TLS /* 9 */)
{
return(0);
}
uint sizeOfTlsDir;
ulong addrOfTlsDir;
// TODO: The names of the data directories could be improved...
addrOfTlsDir = BaseAddress + ntHeaders.OptionalHeader.DataDirectory9.VirtualAddress;
sizeOfTlsDir = ntHeaders.OptionalHeader.DataDirectory9.Size;
if (sizeOfTlsDir < (3 * Debugger.PointerSize))
{
LogManager.Trace("Unexpected TLS directory size: {0:x}",
ntHeaders.OptionalHeader.DataDirectory9.Size);
return(0);
}
else if (0 == ntHeaders.OptionalHeader.DataDirectory9.VirtualAddress)
{
LogManager.Trace("Unexpected TLS VA (0).");
return(0);
}
// The /address/ of the index is stored in the third pointer in the "TLS
// directory" (at addrOfTlsDir) (from the PE/COFF spec).
// Offset Size Field Description
// (PE32/ (PE32/
// PE32+) PE32+)
//
// 0 4/8 Raw Data The starting address of the TLS template. The template is a
// Start VA block of data that is used to initialize TLS data. The
// system copies all of this data each time a thread is
// created, so it must not be corrupted. Note that this address
// is not an RVA; it is an address for which there should be a
// base relocation in the .reloc section.
//
// 4/8 4/8 Raw Data The address of the last byte of the TLS, except for the zero
// End VA fill. As with the Raw Data Start VA field, this is a VA, not
// an RVA.
//
// 8/16 4/8 Address of The location to receive the TLS index, which the loader
// Index assigns. This location is in an ordinary data section, so it
// can be given a symbolic name that is accessible to the
// program.
//
ulong addrOfThisModsTlsIndex = Debugger.ReadMemSlotInPointerArray(addrOfTlsDir, 2);
// I don't know if the index itself is also pointer-sized... I'll just
// read a DWORD's-worth.
m_implicitThreadLocalStorageIndex = Debugger.ReadMemAs_Int32(addrOfThisModsTlsIndex);
}
return(Debugger.ReadMemSlotInPointerArray(tlsPointer,
(uint)m_implicitThreadLocalStorageIndex));
} // end GetImplicitThreadLocalStorageForThread()
internal DbgStackFrameInfo(DbgEngDebugger debugger,
DbgUModeThreadInfo thread,
DEBUG_STACK_FRAME_EX nativeFrame)
: this(debugger, thread, nativeFrame, null, false)
{
}
internal DbgStackInfo(DbgUModeThreadInfo thread, int maxFrames)
: base(_ValidateThread(thread).Debugger)
{
m_thread = thread;
MaxFrameCount = maxFrames;
} // end constructor
} // end _ValidateThread()
internal DbgStackInfo(DbgUModeThreadInfo thread)
: this(thread, 0)
{
}
internal DbgThreadContainer(NsContainer <DbgUModeThreadInfo> nsThread) : base(nsThread)
{
Thread = nsThread.RepresentedObject;
} // end constructor