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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*****************************************************************************
* GCDump.cpp
*
* Defines functions to display the GCInfo as defined by the GC-encoding
* spec. The GC information may be either dynamically created by a
* Just-In-Time compiler conforming to the standard code-manager spec,
* or may be persisted by a managed native code compiler conforming
* to the standard code-manager spec.
*/
#ifndef FEATURE_PAL
#include "utilcode.h" // For _ASSERTE()
#endif //!FEATURE_PAL
#include "gcdump.h"
/*****************************************************************************/
GCDump::GCDump(UINT32 gcInfoVer, bool encBytes, unsigned maxEncBytes, bool dumpCodeOffs)
: gcInfoVersion (gcInfoVer),
fDumpEncBytes (encBytes ),
cMaxEncBytes (maxEncBytes ),
fDumpCodeOffsets(dumpCodeOffs)
{
// By default, use the standard printf function to dump
GCDump::gcPrintf = (printfFtn) ::printf;
}
/*****************************************************************************
*
* Display the byte encodings for the given range of the GC tables.
*/
PTR_CBYTE GCDump::DumpEncoding(PTR_CBYTE gcInfoBlock, int cDumpBytes)
{
_ASSERTE((cDumpBytes >= 0) && (cMaxEncBytes < 256));
if (fDumpEncBytes)
{
PTR_CBYTE pCurPos;
unsigned count;
int cBytesLeft;
for (count = cMaxEncBytes, cBytesLeft = cDumpBytes, pCurPos = gcInfoBlock;
count > 0;
count--, pCurPos++, cBytesLeft--)
{
if (cBytesLeft > 0)
{
if (cBytesLeft > 1 && count == 1)
gcPrintf("...");
else
gcPrintf("%02X ", *pCurPos);
}
else
gcPrintf(" ");
}
gcPrintf("| ");
}
return gcInfoBlock + cDumpBytes;
}
/*****************************************************************************/
void GCDump::DumpOffset(unsigned o)
{
gcPrintf("%04X", o);
}
void GCDump::DumpOffsetEx(unsigned o)
{
if (fDumpCodeOffsets)
DumpOffset(o);
}
/*****************************************************************************/
|
