//-------------------------------------------------------------------------------------------------------

// Copyright (C) Microsoft. All rights reserved.

// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.

//-------------------------------------------------------------------------------------------------------

#include "CommonCorePch.h"

#ifdef STACK_BACK_TRACE

#include "core\StackBackTrace.h"

#include "core\DbgHelpSymbolManager.h"

StackBackTrace::StackBackTrace(ULONG framesToSkip, ULONG framesToCapture) : requestedFramesToCapture(framesToCapture)

{

this->Capture(framesToSkip);

}

// Don't capture, just remember requestedFramesToCapture/allocate buffer for them.

StackBackTrace::StackBackTrace(ULONG framesToCaptureLater) : requestedFramesToCapture(framesToCaptureLater), framesCount(0)

{

}

// This can be called multiple times, together with Create, in which case we will use (overwrite) same buffer.

ULONG StackBackTrace::Capture(ULONG framesToSkip)

{

this->framesCount = CaptureStackBackTrace(framesToSkip + BaseFramesToSkip, this->requestedFramesToCapture, this->stackBackTrace, NULL);

return this->framesCount;

}

size_t

StackBackTrace::Print()

{

DbgHelpSymbolManager::EnsureInitialized();

size_t retValue = 0;

for(ULONG i = 0; i < this->framesCount; i++)

{

PVOID address = this->stackBackTrace[i];

retValue += Output::Print(L" ");

retValue += DbgHelpSymbolManager::PrintSymbol(address);

retValue += Output::Print(L"\n");

}

retValue += Output::Print(L"\n");

return retValue;

}

#endif