/// <summary>
/// Gets the thread context of the specified thread.
/// </summary>
/// <param name="thread">The thread.</param>
public ThreadContext GetThreadContext(Thread thread)
{
using (ThreadSwitcher switcher = new ThreadSwitcher(StateCache, thread))
using (MarshalArrayReader<ThreadContext> threadContextBuffer = ThreadContext.CreateArrayMarshaler(thread.Process, 1))
{
Advanced.GetThreadContext(threadContextBuffer.Pointer, (uint)(threadContextBuffer.Count * threadContextBuffer.Size));
return threadContextBuffer.Elements.FirstOrDefault();
}
}
/// <summary>
/// Gets the environment block address of the specified thread.
/// </summary>
/// <param name="thread">The thread.</param>
public ulong GetThreadEnvironmentBlockAddress(Thread thread)
{
using (ThreadSwitcher switcher = new ThreadSwitcher(StateCache, thread))
{
return SystemObjects.GetCurrentThreadTeb();
}
}
/// <summary>
/// Gets the stack trace from the specified context.
/// </summary>
/// <param name="thread">The thread.</param>
/// <param name="contextAddress">The context address.</param>
/// <param name="contextSize">Size of the context.</param>
/// <returns></returns>
private StackTrace GetStackTraceFromContext(Thread thread, IntPtr contextAddress, uint contextSize)
{
#if false
if (thread.Process.DumpFileMemoryReader != null)
{
if (contextAddress == IntPtr.Zero)
{
using (ThreadSwitcher switcher = new ThreadSwitcher(StateCache, thread))
using (MarshalArrayReader<ThreadContext> threadContextBuffer = ThreadContext.CreateArrayMarshaler(thread.Process, 1))
{
Advanced.GetThreadContext(threadContextBuffer.Pointer, (uint)(threadContextBuffer.Count * threadContextBuffer.Size));
return ReadStackTraceFromContext(thread, threadContextBuffer.Pointer);
}
}
else
{
return ReadStackTraceFromContext(thread, contextAddress);
}
}
#endif
const int MaxCallStack = 10240;
using (ThreadSwitcher switcher = new ThreadSwitcher(StateCache, thread))
using (MarshalArrayReader<_DEBUG_STACK_FRAME_EX> frameBuffer = new RegularMarshalArrayReader<_DEBUG_STACK_FRAME_EX>(MaxCallStack))
using (MarshalArrayReader<ThreadContext> threadContextBuffer = ThreadContext.CreateArrayMarshaler(thread.Process, MaxCallStack))
{
uint framesCount;
Control.GetContextStackTraceEx(contextAddress, contextSize, frameBuffer.Pointer, (uint)frameBuffer.Count, threadContextBuffer.Pointer, (uint)(threadContextBuffer.Size * threadContextBuffer.Count), (uint)threadContextBuffer.Size, out framesCount);
return new StackTrace(thread, frameBuffer.Elements.Take((int)framesCount).ToArray(), threadContextBuffer.Elements.Take((int)framesCount).ToArray());
}
}