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/*
* Copyright (c) 2003 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __OBJECT_FILE_HH__
#define __OBJECT_FILE_HH__
#include "ecoff.hh"
#include "isa_traits.hh" // for Addr
class SymbolTable;
class ObjectFile
{
protected:
std::string name;
int descriptor;
uint8_t *data;
size_t len;
public:
ObjectFile();
explicit ObjectFile(std::string file);
virtual ~ObjectFile();
bool open(std::string file);
void close();
virtual bool loadGlobals(SymbolTable *symtab) = 0;
virtual bool loadLocals(SymbolTable *symtab) = 0;
virtual void postOpen() = 0;
protected:
Addr text_off;
Addr data_off;
Addr bss_off;
size_t text_size;
size_t data_size;
size_t bss_size;
public:
Addr textOffset() const { return text_off; }
Addr dataOffset() const { return data_off; }
Addr bssOffset() const { return bss_off; }
size_t textSize() const { return text_size; }
size_t dataSize() const { return data_size; }
size_t bssSize() const { return bss_size; }
};
class EcoffObject : public ObjectFile
{
protected:
EcoffFileHeader *exec;
EcoffAOutHeader *aout;
public:
EcoffObject() {}
explicit EcoffObject(std::string file) { open(file); }
virtual ~EcoffObject() {}
virtual bool loadGlobals(SymbolTable *symtab);
virtual bool loadLocals(SymbolTable *symtab);
virtual void postOpen();
};
#endif // __OBJECT_FILE_HH__
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