aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
aoqi@0: #define SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
aoqi@0: 
aoqi@0: #if !defined(_WINDOWS) && !defined(__APPLE__)
aoqi@0: 
aoqi@0: #include "memory/allocation.hpp"
aoqi@0: #include "utilities/decoder.hpp"
aoqi@0: #include "utilities/elfFile.hpp"
aoqi@0: 
aoqi@0: 
aoqi@0: // The string table represents a string table section in an elf file.
aoqi@0: // Whenever there is enough memory, it will load whole string table as
aoqi@0: // one blob. Otherwise, it will load string from file when requested.
aoqi@0: class ElfStringTable: CHeapObj<mtInternal> {
aoqi@0:   friend class ElfFile;
aoqi@0:  public:
aoqi@0:   ElfStringTable(FILE* file, Elf_Shdr shdr, int index);
aoqi@0:   ~ElfStringTable();
aoqi@0: 
aoqi@0:   // section index
aoqi@0:   int index() { return m_index; };
aoqi@0: 
aoqi@0:   // get string at specified offset
aoqi@0:   bool string_at(int offset, char* buf, int buflen);
aoqi@0: 
aoqi@0:   // get status code
aoqi@0:   NullDecoder::decoder_status get_status() { return m_status; };
aoqi@0: 
aoqi@0:  protected:
aoqi@0:   ElfStringTable*        m_next;
aoqi@0: 
aoqi@0:   // section index
aoqi@0:   int                      m_index;
aoqi@0: 
aoqi@0:   // holds complete string table if can
aoqi@0:   // allocate enough memory
aoqi@0:   const char*              m_table;
aoqi@0: 
aoqi@0:   // file contains string table
aoqi@0:   FILE*                    m_file;
aoqi@0: 
aoqi@0:   // section header
aoqi@0:   Elf_Shdr                 m_shdr;
aoqi@0: 
aoqi@0:   // error code
aoqi@0:   NullDecoder::decoder_status  m_status;
aoqi@0: };
aoqi@0: 
aoqi@0: #endif // !_WINDOWS && !__APPLE__
aoqi@0: 
aoqi@0: #endif // SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP