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/*
Title: Export memory as a Mach object file
Author: David C. J. Matthews.
Copyright (c) 2006,2016 David C. J. Matthews
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR H PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef MachExport_H_INCLUDED
#define MachExport_H_INCLUDED
#include "config.h"
#include "scanaddrs.h" // For base class
#include "exporter.h"
#include <mach-o/reloc.h>
class MachoExport: public Exporter, public ScanAddress
{
public:
MachoExport(): relocationCount(0), symbolNum(0) {}
public:
virtual void exportStore(void);
private:
// ScanAddress overrides
virtual void ScanConstant(PolyObject *base, byte *addrOfConst, ScanRelocationKind code);
// At the moment we should only get calls to ScanConstant.
virtual PolyObject *ScanObjectAddress(PolyObject *base) { return base; }
virtual void addExternalReference(void *addr, const char *name);
private:
void setRelocationAddress(void *p, int32_t *reloc);
PolyWord createRelocation(PolyWord p, void *relocAddr);
PolyWord writeRelocation(POLYUNSIGNED offset, void *relocAddr, unsigned symbolNumber, bool isExtern);
void alignFile(int align);
void createStructsRelocation(unsigned area, POLYUNSIGNED offset);
void adjustOffset(unsigned area, POLYUNSIGNED &offset);
unsigned relocationCount;
ExportStringTable stringTable;
// Table and count for external references.
ExportStringTable externTable;
unsigned symbolNum;
};
#endif
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