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_STRING_TABLE_HPP
zgu@3430: #define SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
zgu@2364: 
never@3156: #if !defined(_WINDOWS) && !defined(__APPLE__)
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: // The string table represents a string table section in an elf file.
zgu@2364: // Whenever there is enough memory, it will load whole string table as
zgu@2364: // one blob. Otherwise, it will load string from file when requested.
zgu@3900: class ElfStringTable: CHeapObj<mtInternal> {
zgu@2364:   friend class ElfFile;
zgu@2364:  public:
zgu@2364:   ElfStringTable(FILE* file, Elf_Shdr shdr, int index);
zgu@2364:   ~ElfStringTable();
zgu@2364: 
zgu@2364:   // section index
zgu@2364:   int index() { return m_index; };
zgu@2364: 
zgu@2364:   // get string at specified offset
zgu@3430:   bool string_at(int offset, char* buf, int buflen);
zgu@2364: 
zgu@2364:   // get status code
zgu@3430:   NullDecoder::decoder_status get_status() { return m_status; };
zgu@2364: 
zgu@2364:  protected:
zgu@2364:   ElfStringTable*        m_next;
zgu@2364: 
zgu@2364:   // section index
zgu@2364:   int                      m_index;
zgu@2364: 
zgu@2364:   // holds complete string table if can
zgu@2364:   // allocate enough memory
zgu@2364:   const char*              m_table;
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@2364:   // error code
zgu@3430:   NullDecoder::decoder_status  m_status;
zgu@2364: };
zgu@2364: 
simonis@6491: #endif // !_WINDOWS && !__APPLE__
zgu@2364: 
zgu@3430: #endif // SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP