elf_object.hh revision 3812
112SN/A/* 21762SN/A * Copyright (c) 2003-2005 The Regents of The University of Michigan 312SN/A * All rights reserved. 412SN/A * 512SN/A * Redistribution and use in source and binary forms, with or without 612SN/A * modification, are permitted provided that the following conditions are 712SN/A * met: redistributions of source code must retain the above copyright 812SN/A * notice, this list of conditions and the following disclaimer; 912SN/A * redistributions in binary form must reproduce the above copyright 1012SN/A * notice, this list of conditions and the following disclaimer in the 1112SN/A * documentation and/or other materials provided with the distribution; 1212SN/A * neither the name of the copyright holders nor the names of its 1312SN/A * contributors may be used to endorse or promote products derived from 1412SN/A * this software without specific prior written permission. 1512SN/A * 1612SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1712SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1812SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1912SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2012SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2112SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2212SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2312SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2412SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2512SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2612SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Steve Reinhardt 2912SN/A */ 3012SN/A 3112SN/A#ifndef __ELF_OBJECT_HH__ 3212SN/A#define __ELF_OBJECT_HH__ 3312SN/A 3456SN/A#include "base/loader/object_file.hh" 3512SN/A 3612SN/Aclass ElfObject : public ObjectFile 3712SN/A{ 3812SN/A protected: 3912SN/A 402976Sgblack@eecs.umich.edu //These values are provided to a linux process by the kernel, so we 412976Sgblack@eecs.umich.edu //need to keep them around. 422976Sgblack@eecs.umich.edu Addr _programHeaderTable; 432976Sgblack@eecs.umich.edu uint16_t _programHeaderSize; 442976Sgblack@eecs.umich.edu uint16_t _programHeaderCount; 452976Sgblack@eecs.umich.edu 46468SN/A /// Helper functions for loadGlobalSymbols() and loadLocalSymbols(). 47468SN/A bool loadSomeSymbols(SymbolTable *symtab, int binding); 48468SN/A 4912SN/A ElfObject(const std::string &_filename, int _fd, 502479SN/A size_t _len, uint8_t *_data, 51360SN/A Arch _arch, OpSys _opSys); 5212SN/A 5312SN/A public: 5412SN/A virtual ~ElfObject() {} 5512SN/A 563812Ssaidi@eecs.umich.edu virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask = 573812Ssaidi@eecs.umich.edu std::numeric_limits<Addr>::max()); 583812Ssaidi@eecs.umich.edu virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask = 593812Ssaidi@eecs.umich.edu std::numeric_limits<Addr>::max()); 6012SN/A 6112SN/A static ObjectFile *tryFile(const std::string &fname, int fd, 6212SN/A size_t len, uint8_t *data); 632976Sgblack@eecs.umich.edu Addr programHeaderTable() {return _programHeaderTable;} 642976Sgblack@eecs.umich.edu uint16_t programHeaderSize() {return _programHeaderSize;} 652976Sgblack@eecs.umich.edu uint16_t programHeaderCount() {return _programHeaderCount;} 6612SN/A}; 6712SN/A 6812SN/A#endif // __ELF_OBJECT_HH__ 69