object_file.hh revision 10880
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 386214Snate@binkert.org#include "base/types.hh" 392SN/A 408706Sandreas.hansson@arm.comclass PortProxy; 412SN/Aclass SymbolTable; 422SN/A 432SN/Aclass ObjectFile 442SN/A{ 45360SN/A public: 46360SN/A 47360SN/A enum Arch { 48360SN/A UnknownArch, 492207SN/A Alpha, 504111Sgblack@eecs.umich.edu SPARC64, 514111Sgblack@eecs.umich.edu SPARC32, 524155Sgblack@eecs.umich.edu Mips, 535874Sgblack@eecs.umich.edu X86_64, 545874Sgblack@eecs.umich.edu I386, 5510037SARM gem5 Developers Arm64, 566691Stjones1@inf.ed.ac.uk Arm, 577095Sgblack@eecs.umich.edu Thumb, 586691Stjones1@inf.ed.ac.uk Power 59360SN/A }; 60360SN/A 61360SN/A enum OpSys { 62360SN/A UnknownOpSys, 63360SN/A Tru64, 642207SN/A Linux, 656392Ssaidi@eecs.umich.edu Solaris, 6610810Sbr@bsdpad.com LinuxArmOABI, 6710810Sbr@bsdpad.com FreeBSD 68360SN/A }; 69360SN/A 702SN/A protected: 7112SN/A const std::string filename; 7212SN/A uint8_t *fileData; 732SN/A size_t len; 742SN/A 75360SN/A Arch arch; 76360SN/A OpSys opSys; 77360SN/A 7810880SCurtis.Dunham@arm.com ObjectFile(const std::string &_filename, size_t _len, uint8_t *_data, 79360SN/A Arch _arch, OpSys _opSys); 8012SN/A 812SN/A public: 822SN/A virtual ~ObjectFile(); 832SN/A 842SN/A void close(); 852SN/A 868852Sandreas.hansson@arm.com virtual bool loadSections(PortProxy& memProxy, Addr addrMask = 8710037SARM gem5 Developers std::numeric_limits<Addr>::max(), 8810037SARM gem5 Developers Addr offset = 0); 893812Ssaidi@eecs.umich.edu virtual bool loadGlobalSymbols(SymbolTable *symtab, Addr addrMask = 903812Ssaidi@eecs.umich.edu std::numeric_limits<Addr>::max()) = 0; 913812Ssaidi@eecs.umich.edu virtual bool loadLocalSymbols(SymbolTable *symtab, Addr addrMask = 923812Ssaidi@eecs.umich.edu std::numeric_limits<Addr>::max()) = 0; 939641Sguodeyuan@tsinghua.org.cn virtual bool loadWeakSymbols(SymbolTable *symtab, Addr addrMask = 949641Sguodeyuan@tsinghua.org.cn std::numeric_limits<Addr>::max()) 959641Sguodeyuan@tsinghua.org.cn { return false; } 962SN/A 975070Ssaidi@eecs.umich.edu virtual bool isDynamic() { return false; } 985070Ssaidi@eecs.umich.edu virtual bool hasTLS() { return false; } 993917Ssaidi@eecs.umich.edu 100360SN/A Arch getArch() const { return arch; } 101360SN/A OpSys getOpSys() const { return opSys; } 102360SN/A 1032SN/A protected: 1042SN/A 10512SN/A struct Section { 1062420SN/A Addr baseAddr; 1072420SN/A uint8_t *fileImage; 1082420SN/A size_t size; 10912SN/A }; 11012SN/A 11112SN/A Addr entry; 11212SN/A Addr globalPtr; 11312SN/A 11412SN/A Section text; 11512SN/A Section data; 11612SN/A Section bss; 1172SN/A 11810037SARM gem5 Developers bool loadSection(Section *sec, PortProxy& memProxy, Addr addrMask, 11910037SARM gem5 Developers Addr offset = 0); 1202472SN/A void setGlobalPointer(Addr global_ptr) { globalPtr = global_ptr; } 1212420SN/A 1222SN/A public: 12312SN/A Addr entryPoint() const { return entry; } 1242472SN/A 12512SN/A Addr globalPointer() const { return globalPtr; } 1262SN/A 12712SN/A Addr textBase() const { return text.baseAddr; } 12812SN/A Addr dataBase() const { return data.baseAddr; } 12912SN/A Addr bssBase() const { return bss.baseAddr; } 13012SN/A 13112SN/A size_t textSize() const { return text.size; } 13212SN/A size_t dataSize() const { return data.size; } 13312SN/A size_t bssSize() const { return bss.size; } 1343584Ssaidi@eecs.umich.edu 1359261Sdam.sunwoo@arm.com /* This function allows you to override the base address where 1369261Sdam.sunwoo@arm.com * a binary is going to be loaded or set it if the binary is just a 1379261Sdam.sunwoo@arm.com * blob that doesn't include an object header. 1389261Sdam.sunwoo@arm.com * @param a address to load the binary/text section at 1399261Sdam.sunwoo@arm.com */ 1403584Ssaidi@eecs.umich.edu void setTextBase(Addr a) { text.baseAddr = a; } 1412SN/A}; 1422SN/A 1433584Ssaidi@eecs.umich.eduObjectFile *createObjectFile(const std::string &fname, bool raw = false); 1442SN/A 1452SN/A 1462SN/A#endif // __OBJECT_FILE_HH__ 147