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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.h
*
* 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 __GCDUMP_H__
#define __GCDUMP_H__
/*****************************************************************************/
#include "gcinfotypes.h" // For InfoHdr
#ifndef FASTCALL
#ifndef FEATURE_PAL
#define FASTCALL __fastcall
#else
#define FASTCALL
#endif
#endif
class GCDump
{
public:
GCDump (UINT32 gcInfoVersion,
bool encBytes = true,
unsigned maxEncBytes = 5,
bool dumpCodeOffs = true);
#ifdef _TARGET_X86_
/*-------------------------------------------------------------------------
* Dumps the InfoHdr to 'stdout'
* table : Start of the GC info block
* verifyGCTables : If the JIT has been compiled with VERIFY_GC_TABLES
* Return value : Size in bytes of the header encoding
*/
unsigned FASTCALL DumpInfoHdr (PTR_CBYTE gcInfoBlock,
InfoHdr * header, /* OUT */
unsigned * methodSize, /* OUT */
bool verifyGCTables = false);
#endif
/*-------------------------------------------------------------------------
* Dumps the GC tables to 'stdout'
* table : The GCInfoToken
* verifyGCTables : If the JIT has been compiled with VERIFY_GC_TABLES
* Return value : Size in bytes of the GC table encodings
*/
size_t FASTCALL DumpGCTable (PTR_CBYTE gcInfoBlock,
#ifdef _TARGET_X86_
const InfoHdr& header,
#endif
unsigned methodSize,
bool verifyGCTables = false);
/*-------------------------------------------------------------------------
* Dumps the location of ptrs for the given code offset
* verifyGCTables : If the JIT has been compiled with VERIFY_GC_TABLES
*/
void FASTCALL DumpPtrsInFrame(PTR_CBYTE infoBlock,
PTR_CBYTE codeBlock,
unsigned offs,
bool verifyGCTables = false);
public:
typedef void (*printfFtn)(const char* fmt, ...);
printfFtn gcPrintf;
UINT32 gcInfoVersion;
//-------------------------------------------------------------------------
protected:
bool fDumpEncBytes;
unsigned cMaxEncBytes;
bool fDumpCodeOffsets;
/* Helper methods */
PTR_CBYTE DumpEncoding(PTR_CBYTE gcInfoBlock,
int cDumpBytes);
void DumpOffset (unsigned o);
void DumpOffsetEx(unsigned o);
};
/*****************************************************************************/
#endif // __GC_DUMP_H__
/*****************************************************************************/
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