jdk8-mips64-public/hotspot: src/share/vm/utilities/elfSymbolTable.hpp@f90c822e73f8

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http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

     1 /*

     2  * Copyright (c) 1997, 2013, 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  */

    25 #ifndef SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP

    26 #define SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP

    28 #if !defined(_WINDOWS) && !defined(__APPLE__)

    31 #include "memory/allocation.hpp"

    32 #include "utilities/decoder.hpp"

    33 #include "utilities/elfFile.hpp"

    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<mtInternal> {

    42   friend class ElfFile;

    43  public:

    44   ElfSymbolTable(FILE* file, Elf_Shdr shdr);

    45   ~ElfSymbolTable();

    47   // search the symbol that is nearest to the specified address.

    48   bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset, ElfFuncDescTable* funcDescTable);

    50   NullDecoder::decoder_status get_status() { return m_status; };

    52  protected:

    53   ElfSymbolTable*  m_next;

    55   // holds a complete symbol table section if

    56   // can allocate enough memory

    57   Elf_Sym*            m_symbols;

    59   // file contains string table

    60   FILE*               m_file;

    62   // section header

    63   Elf_Shdr            m_shdr;

    65   NullDecoder::decoder_status  m_status;

    66 };

    68 #endif // !_WINDOWS and !__APPLE__

    70 #endif // SHARE_VM_UTILITIES_ELF_SYMBOL_TABLE_HPP

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