src/share/vm/utilities/elfSymbolTable.hpp

changeset 2364
2d4762ec74af
child 3156
f08d439fab8c
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/utilities/elfSymbolTable.hpp	Sat Dec 11 13:20:56 2010 -0500
     1.3 @@ -0,0 +1,73 @@
     1.4 +/*
     1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#ifndef __ELF_SYMBOL_TABLE_HPP
    1.29 +#define __ELF_SYMBOL_TABLE_HPP
    1.30 +
    1.31 +#ifndef _WINDOWS
    1.32 +
    1.33 +
    1.34 +#include "memory/allocation.hpp"
    1.35 +#include "utilities/decoder.hpp"
    1.36 +#include "utilities/elfFile.hpp"
    1.37 +
    1.38 +/*
    1.39 + * symbol table object represents a symbol section in an elf file.
    1.40 + * Whenever possible, it will load all symbols from the corresponding section
    1.41 + * of the elf file into memory. Otherwise, it will walk the section in file
    1.42 + * to look up the symbol that nearest the given address.
    1.43 + */
    1.44 +class ElfSymbolTable: public CHeapObj {
    1.45 +  friend class ElfFile;
    1.46 + public:
    1.47 +  ElfSymbolTable(FILE* file, Elf_Shdr shdr);
    1.48 +  ~ElfSymbolTable();
    1.49 +
    1.50 +  // search the symbol that is nearest to the specified address.
    1.51 +  Decoder::decoder_status lookup(address addr, int* stringtableIndex, int* posIndex, int* offset);
    1.52 +
    1.53 +  Decoder::decoder_status get_status() { return m_status; };
    1.54 +
    1.55 + protected:
    1.56 +  ElfSymbolTable*  m_next;
    1.57 +
    1.58 +  // holds a complete symbol table section if
    1.59 +  // can allocate enough memory
    1.60 +  Elf_Sym*            m_symbols;
    1.61 +
    1.62 +  // file contains string table
    1.63 +  FILE*               m_file;
    1.64 +
    1.65 +  // section header
    1.66 +  Elf_Shdr            m_shdr;
    1.67 +
    1.68 +  Decoder::decoder_status  m_status;
    1.69 +};
    1.70 +
    1.71 +#endif // _WINDOWS
    1.72 +
    1.73 +#endif // __ELF_SYMBOL_TABLE_HPP
    1.74 +
    1.75 +
    1.76 +

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