jdk8-mips64-public/hotspot: src/share/vm/utilities/elfStringTable.hpp@a9becfeecd1b

     1 /*

     2  * Copyright (c) 1997, 2012, 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_STRING_TABLE_HPP

    26 #define SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP

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

    30 #include "memory/allocation.hpp"

    31 #include "utilities/decoder.hpp"

    32 #include "utilities/elfFile.hpp"

    35 // The string table represents a string table section in an elf file.

    36 // Whenever there is enough memory, it will load whole string table as

    37 // one blob. Otherwise, it will load string from file when requested.

    38 class ElfStringTable: CHeapObj<mtInternal> {

    39   friend class ElfFile;

    40  public:

    41   ElfStringTable(FILE* file, Elf_Shdr shdr, int index);

    42   ~ElfStringTable();

    44   // section index

    45   int index() { return m_index; };

    47   // get string at specified offset

    48   bool string_at(int offset, char* buf, int buflen);

    50   // get status code

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

    53  protected:

    54   ElfStringTable*        m_next;

    56   // section index

    57   int                      m_index;

    59   // holds complete string table if can

    60   // allocate enough memory

    61   const char*              m_table;

    63   // file contains string table

    64   FILE*                    m_file;

    66   // section header

    67   Elf_Shdr                 m_shdr;

    69   // error code

    70   NullDecoder::decoder_status  m_status;

    71 };

    73 #endif // !_WINDOWS && !__APPLE__

    75 #endif // SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP

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