jdk8-mips64-public/hotspot: src/share/vm/utilities/elfStringTable.hpp@2d4762ec74af

7003748: Decode C stack frames when symbols are presented (PhoneHome project)
Summary: Implemented in-process C native stack frame decoding when symbols are available.
Reviewed-by: coleenp, never

     1 /*

     2  * Copyright (c) 1997, 2010, 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 __ELF_STRING_TABLE_HPP

    26 #define __ELF_STRING_TABLE_HPP

    28 #ifndef _WINDOWS

    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.

    39 #define MAX_SYMBOL_LEN  256

    41 class ElfStringTable: CHeapObj {

    42   friend class ElfFile;

    43  public:

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

    45   ~ElfStringTable();

    47   // section index

    48   int index() { return m_index; };

    50   // get string at specified offset

    51   const char* string_at(int offset);

    53   // get status code

    54   Decoder::decoder_status get_status() { return m_status; };

    56  protected:

    57   ElfStringTable*        m_next;

    59   // section index

    60   int                      m_index;

    62   // holds complete string table if can

    63   // allocate enough memory

    64   const char*              m_table;

    66   // file contains string table

    67   FILE*                    m_file;

    69   // section header

    70   Elf_Shdr                 m_shdr;

    72   // buffer for reading individual string

    73   char                     m_symbol[MAX_SYMBOL_LEN];

    75   // error code

    76   Decoder::decoder_status  m_status;

    77 };

    79 #endif // _WINDOWS

    81 #endif // __ELF_STRING_TABLE_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/utilities/elfStringTable.hpp@2d4762ec74af

src/share/vm/utilities/elfStringTable.hpp