object_file.hh revision 11906
12SN/A/* 21762SN/A * Copyright (c) 2002-2004 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292665Ssaidi@eecs.umich.edu * Steve Reinhardt 302SN/A */ 312SN/A 322SN/A#ifndef __OBJECT_FILE_HH__ 332SN/A#define __OBJECT_FILE_HH__ 342SN/A 352520SN/A#include <limits> 362207SN/A#include <string> 372207SN/A 3811389Sbrandon.potter@amd.com#include "base/misc.hh" 396214Snate@binkert.org#include "base/types.hh" 402SN/A 418706Sandreas.hansson@arm.comclass PortProxy; 422SN/Aclass SymbolTable; 432SN/A 442SN/Aclass ObjectFile 452SN/A{ 46360SN/A public: 47360SN/A 48360SN/A enum Arch { 49360SN/A UnknownArch, 502207SN/A Alpha, 514111Sgblack@eecs.umich.edu SPARC64, 524111Sgblack@eecs.umich.edu SPARC32, 534155Sgblack@eecs.umich.edu Mips, 545874Sgblack@eecs.umich.edu X86_64, 555874Sgblack@eecs.umich.edu I386, 5610037SARM gem5 Developers Arm64, 576691Stjones1@inf.ed.ac.uk Arm, 587095Sgblack@eecs.umich.edu Thumb, 5911723Sar4jc@virginia.edu Power, 6011723Sar4jc@virginia.edu Riscv 61360SN/A }; 62360SN/A 63360SN/A enum OpSys { 64360SN/A UnknownOpSys, 65360SN/A Tru64, 662207SN/A Linux, 676392Ssaidi@eecs.umich.edu Solaris, 6810810Sbr@bsdpad.com LinuxArmOABI, 6910810Sbr@bsdpad.com FreeBSD 70360SN/A }; 71360SN/A 722SN/A protected: 7312SN/A const std::string filename; 7412SN/A uint8_t *fileData; 752SN/A size_t len; 762SN/A 7711906SBrandon.Potter@amd.com Arch arch; 78360SN/A OpSys opSys; 79360SN/A 8010880SCurtis.Dunham@arm.com ObjectFile(const std::string &_filename, size_t _len, uint8_t *_data, 81360SN/A Arch _arch, OpSys _opSys); 8212SN/A 832SN/A public: 842SN/A virtual ~ObjectFile(); 852SN/A 8611392Sbrandon.potter@amd.com static const Addr maxAddr = std::numeric_limits<Addr>::max(); 8711392Sbrandon.potter@amd.com 8811392Sbrandon.potter@amd.com virtual bool loadSections(PortProxy& mem_proxy, 8911392Sbrandon.potter@amd.com Addr mask = maxAddr, Addr offset = 0); 9011392Sbrandon.potter@amd.com 9111392Sbrandon.potter@amd.com virtual bool loadAllSymbols(SymbolTable *symtab, Addr base = 0, 9211392Sbrandon.potter@amd.com Addr offset = 0, Addr mask = maxAddr) = 0; 9311392Sbrandon.potter@amd.com virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr base = 0, 9411392Sbrandon.potter@amd.com Addr offset = 0, Addr mask = maxAddr) = 0; 9511392Sbrandon.potter@amd.com virtual bool loadLocalSymbols(SymbolTable *symtab, Addr base = 0, 9611392Sbrandon.potter@amd.com Addr offset = 0, Addr mask = maxAddr) = 0; 9711392Sbrandon.potter@amd.com virtual bool loadWeakSymbols(SymbolTable *symtab, Addr base = 0, 9811392Sbrandon.potter@amd.com Addr offset = 0, Addr mask = maxAddr) 999641Sguodeyuan@tsinghua.org.cn { return false; } 1002SN/A 10111389Sbrandon.potter@amd.com virtual ObjectFile *getInterpreter() const { return nullptr; } 10211389Sbrandon.potter@amd.com virtual bool relocatable() const { return false; } 10311389Sbrandon.potter@amd.com virtual Addr mapSize() const 10411389Sbrandon.potter@amd.com { panic("mapSize() should only be called on relocatable objects\n"); } 10511389Sbrandon.potter@amd.com virtual void updateBias(Addr bias_addr) 10611389Sbrandon.potter@amd.com { panic("updateBias() should only be called on relocatable objects\n"); } 10711389Sbrandon.potter@amd.com virtual Addr bias() const { return 0; } 10811389Sbrandon.potter@amd.com 1095070Ssaidi@eecs.umich.edu virtual bool hasTLS() { return false; } 1103917Ssaidi@eecs.umich.edu 111360SN/A Arch getArch() const { return arch; } 112360SN/A OpSys getOpSys() const { return opSys; } 113360SN/A 1142SN/A protected: 1152SN/A 11612SN/A struct Section { 11711906SBrandon.Potter@amd.com Addr baseAddr; 1182420SN/A uint8_t *fileImage; 11911906SBrandon.Potter@amd.com size_t size; 12012SN/A }; 12112SN/A 12212SN/A Addr entry; 12312SN/A Addr globalPtr; 12412SN/A 12512SN/A Section text; 12612SN/A Section data; 12712SN/A Section bss; 1282SN/A 12911392Sbrandon.potter@amd.com bool loadSection(Section *sec, PortProxy& mem_proxy, Addr mask, 13010037SARM gem5 Developers Addr offset = 0); 1312472SN/A void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; } 1322420SN/A 1332SN/A public: 13412SN/A Addr entryPoint() const { return entry; } 1352472SN/A 13612SN/A Addr globalPointer() const { return globalPtr; } 1372SN/A 13812SN/A Addr textBase() const { return text.baseAddr; } 13912SN/A Addr dataBase() const { return data.baseAddr; } 14012SN/A Addr bssBase() const { return bss.baseAddr; } 14112SN/A 14212SN/A size_t textSize() const { return text.size; } 14312SN/A size_t dataSize() const { return data.size; } 14412SN/A size_t bssSize() const { return bss.size; } 1453584Ssaidi@eecs.umich.edu 1469261Sdam.sunwoo@arm.com /* This function allows you to override the base address where 1479261Sdam.sunwoo@arm.com * a binary is going to be loaded or set it if the binary is just a 1489261Sdam.sunwoo@arm.com * blob that doesn't include an object header. 1499261Sdam.sunwoo@arm.com * @param a address to load the binary/text section at 1509261Sdam.sunwoo@arm.com */ 1513584Ssaidi@eecs.umich.edu void setTextBase(Addr a) { text.baseAddr = a; } 1522SN/A}; 1532SN/A 1543584Ssaidi@eecs.umich.eduObjectFile *createObjectFile(const std::string &fname, bool raw = false); 1552SN/A 1562SN/A 1572SN/A#endif // __OBJECT_FILE_HH__ 158