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RtlCaptureStackBackTrace routine

The RtlCaptureStackBackTrace routine captures a stack back trace by walking up the stack and recording the information for each frame.

Syntax

C++
Copy 

USHORT RtlCaptureStackBackTrace(
  _In_      ULONG  FramesToSkip,
  _In_      ULONG  FramesToCapture,
  _Out_     PVOID  *BackTrace,
  _Out_opt_ PULONG BackTraceHash
);

Parameters

FramesToSkip [in]

The number of frames to skip from the start of the back trace.

FramesToCapture [in]

The number of frames to be captured.

BackTrace [out]

An array of pointers captured from the current stack trace.

BackTraceHash [out, optional]

An optional value that can be used to organize hash tables. If this parameter is NULL, no hash value is computed.

This value is calculated based on the values of the pointers returned in the BackTrace array. Two identical stack traces will generate identical hash values.

Return value

The number of captured frames.

Remarks

Requirements

Target platform
Universal

Version

Available in starting with Windows XP.

Header
Ntifs.h (include Ntifs.h or FltKernel.h)

Library
NtosKrnl.lib;
OneCoreUAP.lib on Windows 10

DLL
NtDll.dll (user mode);
NtosKrnl.exe (kernel mode)

IRQL

<= DISPATCH_LEVEL

 

 

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