zgu@2364: /*
mikael@4153:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
zgu@2364:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
zgu@2364:  *
zgu@2364:  * This code is free software; you can redistribute it and/or modify it
zgu@2364:  * under the terms of the GNU General Public License version 2 only, as
zgu@2364:  * published by the Free Software Foundation.
zgu@2364:  *
zgu@2364:  * This code is distributed in the hope that it will be useful, but WITHOUT
zgu@2364:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
zgu@2364:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
zgu@2364:  * version 2 for more details (a copy is included in the LICENSE file that
zgu@2364:  * accompanied this code).
zgu@2364:  *
zgu@2364:  * You should have received a copy of the GNU General Public License version
zgu@2364:  * 2 along with this work; if not, write to the Free Software Foundation,
zgu@2364:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
zgu@2364:  *
zgu@2364:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
zgu@2364:  * or visit www.oracle.com if you need additional information or have any
zgu@2364:  * questions.
zgu@2364:  *
zgu@2364:  */
zgu@2364: 
zgu@3430: #ifndef SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP
zgu@3430: #define SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP
zgu@2364: 
never@3156: #if !defined(_WINDOWS) && !defined(__APPLE__)
zgu@2364: 
zgu@2364: 
zgu@2364: #include "memory/allocation.hpp"
zgu@2364: #include "utilities/decoder.hpp"
zgu@2364: #include "utilities/elfFile.hpp"
zgu@2364: 
zgu@2364: /*
zgu@2364:  * symbol table object represents a symbol section in an elf file.
zgu@2364:  * Whenever possible, it will load all symbols from the corresponding section
zgu@2364:  * of the elf file into memory. Otherwise, it will walk the section in file
zgu@2364:  * to look up the symbol that nearest the given address.
zgu@2364:  */
zgu@3900: class ElfSymbolTable: public CHeapObj<mtInternal> {
zgu@2364:   friend class ElfFile;
zgu@2364:  public:
zgu@2364:   ElfSymbolTable(FILE* file, Elf_Shdr shdr);
zgu@2364:   ~ElfSymbolTable();
zgu@2364: 
zgu@2364:   // search the symbol that is nearest to the specified address.
zgu@3430:   bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset);
zgu@2364: 
zgu@3430:   NullDecoder::decoder_status get_status() { return m_status; };
zgu@2364: 
zgu@2364:  protected:
zgu@2364:   ElfSymbolTable*  m_next;
zgu@2364: 
zgu@2364:   // holds a complete symbol table section if
zgu@2364:   // can allocate enough memory
zgu@2364:   Elf_Sym*            m_symbols;
zgu@2364: 
zgu@2364:   // file contains string table
zgu@2364:   FILE*               m_file;
zgu@2364: 
zgu@2364:   // section header
zgu@2364:   Elf_Shdr            m_shdr;
zgu@2364: 
zgu@3430:   NullDecoder::decoder_status  m_status;
zgu@2364: };
zgu@2364: 
zgu@3430: #endif // _WINDOWS and _APPLE
zgu@2364: 
zgu@3430: #endif // SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP