aout_object.cc revision 11392
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#include <string> 3212SN/A 3356SN/A#include "base/loader/aout_object.hh" 348229Snate@binkert.org#include "base/loader/exec_aout.h" 3556SN/A#include "base/loader/symtab.hh" 367676Snate@binkert.org#include "base/trace.hh" 378232Snate@binkert.org#include "debug/Loader.hh" 3812SN/A 3912SN/Ausing namespace std; 4012SN/A 4112SN/AObjectFile * 4210880SCurtis.Dunham@arm.comAoutObject::tryFile(const string &fname, size_t len, uint8_t *data) 4312SN/A{ 4412SN/A if (!N_BADMAG(*(aout_exechdr *)data)) { 45360SN/A // right now this is only used for Alpha PAL code 4610880SCurtis.Dunham@arm.com return new AoutObject(fname, len, data, 47360SN/A ObjectFile::Alpha, ObjectFile::UnknownOpSys); 4812SN/A } 4912SN/A else { 5012SN/A return NULL; 5112SN/A } 5212SN/A} 5312SN/A 5412SN/A 5510880SCurtis.Dunham@arm.comAoutObject::AoutObject(const string &_filename, 56360SN/A size_t _len, uint8_t *_data, 57360SN/A Arch _arch, OpSys _opSys) 5810880SCurtis.Dunham@arm.com : ObjectFile(_filename, _len, _data, _arch, _opSys) 5912SN/A{ 6012SN/A execHdr = (aout_exechdr *)fileData; 6112SN/A 6212SN/A entry = execHdr->entry; 6312SN/A 6412SN/A text.baseAddr = N_TXTADDR(*execHdr); 6512SN/A text.size = execHdr->tsize; 662420SN/A text.fileImage = fileData + N_TXTOFF(*execHdr); 6712SN/A 6812SN/A data.baseAddr = N_DATADDR(*execHdr); 6912SN/A data.size = execHdr->dsize; 702420SN/A data.fileImage = fileData + N_DATOFF(*execHdr); 7112SN/A 7212SN/A bss.baseAddr = N_BSSADDR(*execHdr); 7312SN/A bss.size = execHdr->bsize; 742420SN/A bss.fileImage = NULL; 7512SN/A 7612SN/A DPRINTFR(Loader, "text: 0x%x %d\ndata: 0x%x %d\nbss: 0x%x %d\n", 7712SN/A text.baseAddr, text.size, data.baseAddr, data.size, 7812SN/A bss.baseAddr, bss.size); 7912SN/A} 8012SN/A 8112SN/A 8212SN/Abool 8311392Sbrandon.potter@amd.comAoutObject::loadAllSymbols(SymbolTable *symtab, Addr base, Addr offset, 8411392Sbrandon.potter@amd.com Addr addr_mask) 8511392Sbrandon.potter@amd.com{ 8611392Sbrandon.potter@amd.com return false; 8711392Sbrandon.potter@amd.com} 8811392Sbrandon.potter@amd.com 8911392Sbrandon.potter@amd.combool 9011392Sbrandon.potter@amd.comAoutObject::loadGlobalSymbols(SymbolTable *symtab, Addr base, Addr offset, 9111392Sbrandon.potter@amd.com Addr addr_mask) 9212SN/A{ 9312SN/A // a.out symbols not supported yet 9412SN/A return false; 9512SN/A} 9612SN/A 9712SN/Abool 9811392Sbrandon.potter@amd.comAoutObject::loadLocalSymbols(SymbolTable *symtab, Addr base, Addr offset, 9911392Sbrandon.potter@amd.com Addr addr_mask) 10012SN/A{ 10112SN/A // a.out symbols not supported yet 10212SN/A return false; 10312SN/A} 104