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