1 /* 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef __ELF_SYMBOL_TABLE_HPP 26 #define __ELF_SYMBOL_TABLE_HPP 27 28 #ifndef _WINDOWS 29 30 31 #include "memory/allocation.hpp" 32 #include "utilities/decoder.hpp" 33 #include "utilities/elfFile.hpp" 34 35 /* 36 * symbol table object represents a symbol section in an elf file. 37 * Whenever possible, it will load all symbols from the corresponding section 38 * of the elf file into memory. Otherwise, it will walk the section in file 39 * to look up the symbol that nearest the given address. 40 */ 41 class ElfSymbolTable: public CHeapObj { 42 friend class ElfFile; 43 public: 44 ElfSymbolTable(FILE* file, Elf_Shdr shdr); 45 ~ElfSymbolTable(); 46 47 // search the symbol that is nearest to the specified address. 48 Decoder::decoder_status lookup(address addr, int* stringtableIndex, int* posIndex, int* offset); 49 50 Decoder::decoder_status get_status() { return m_status; }; 51 52 protected: 53 ElfSymbolTable* m_next; 54 55 // holds a complete symbol table section if 56 // can allocate enough memory 57 Elf_Sym* m_symbols; 58 59 // file contains string table 60 FILE* m_file; 61 62 // section header 63 Elf_Shdr m_shdr; 64 65 Decoder::decoder_status m_status; 66 }; 67 68 #endif // _WINDOWS 69 70 #endif // __ELF_SYMBOL_TABLE_HPP 71 72 73