| /* |
| * Copyright (c) 2002-2004 The Regents of The University of Michigan |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __BASE_LOADER_OBJECT_FILE_HH__ |
| #define __BASE_LOADER_OBJECT_FILE_HH__ |
| |
| #include <string> |
| |
| #include "base/loader/image_file.hh" |
| #include "base/loader/image_file_data.hh" |
| #include "base/loader/memory_image.hh" |
| #include "base/loader/symtab.hh" |
| #include "base/logging.hh" |
| #include "base/types.hh" |
| |
| namespace Loader |
| { |
| |
| enum Arch { |
| UnknownArch, |
| SPARC64, |
| SPARC32, |
| Mips, |
| X86_64, |
| I386, |
| Arm64, |
| Arm, |
| Thumb, |
| Power, |
| Riscv64, |
| Riscv32 |
| }; |
| |
| const char *archToString(Arch arch); |
| |
| enum OpSys { |
| UnknownOpSys, |
| Tru64, |
| Linux, |
| Solaris, |
| LinuxArmOABI, |
| FreeBSD |
| }; |
| |
| const char *opSysToString(OpSys op_sys); |
| |
| class SymbolTable; |
| |
| class ObjectFile : public ImageFile |
| { |
| protected: |
| Arch arch = UnknownArch; |
| OpSys opSys = UnknownOpSys; |
| |
| SymbolTable _symtab; |
| |
| ObjectFile(ImageFileDataPtr ifd); |
| |
| public: |
| virtual ~ObjectFile() {}; |
| |
| virtual ObjectFile *getInterpreter() const { return nullptr; } |
| virtual bool relocatable() const { return false; } |
| virtual Addr |
| mapSize() const |
| { |
| panic("mapSize() should only be called on relocatable objects\n"); |
| } |
| virtual void |
| updateBias(Addr bias_addr) |
| { |
| panic("updateBias() should only be called on relocatable objects\n"); |
| } |
| virtual Addr bias() const { return 0; } |
| |
| virtual bool hasTLS() { return false; } |
| |
| Arch getArch() const { return arch; } |
| OpSys getOpSys() const { return opSys; } |
| |
| const SymbolTable &symtab() const { return _symtab; } |
| |
| protected: |
| Addr entry = 0; |
| |
| public: |
| Addr entryPoint() const { return entry; } |
| }; |
| |
| class ObjectFileFormat |
| { |
| protected: |
| ObjectFileFormat(); |
| |
| public: |
| ObjectFileFormat(const ObjectFileFormat &) = delete; |
| void operator=(const ObjectFileFormat &) = delete; |
| |
| virtual ObjectFile *load(ImageFileDataPtr data) = 0; |
| }; |
| |
| ObjectFile *createObjectFile(const std::string &fname, bool raw=false); |
| |
| } // namespace Loader |
| |
| #endif // __BASE_LOADER_OBJECT_FILE_HH__ |