src/share/vm/utilities/elfStringTable.hpp

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 6491
e7cbc95179c4
parent 0
f90c822e73f8
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 #ifndef SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
aoqi@0 26 #define SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP
aoqi@0 27
aoqi@0 28 #if !defined(_WINDOWS) && !defined(__APPLE__)
aoqi@0 29
aoqi@0 30 #include "memory/allocation.hpp"
aoqi@0 31 #include "utilities/decoder.hpp"
aoqi@0 32 #include "utilities/elfFile.hpp"
aoqi@0 33
aoqi@0 34
aoqi@0 35 // The string table represents a string table section in an elf file.
aoqi@0 36 // Whenever there is enough memory, it will load whole string table as
aoqi@0 37 // one blob. Otherwise, it will load string from file when requested.
aoqi@0 38 class ElfStringTable: CHeapObj<mtInternal> {
aoqi@0 39 friend class ElfFile;
aoqi@0 40 public:
aoqi@0 41 ElfStringTable(FILE* file, Elf_Shdr shdr, int index);
aoqi@0 42 ~ElfStringTable();
aoqi@0 43
aoqi@0 44 // section index
aoqi@0 45 int index() { return m_index; };
aoqi@0 46
aoqi@0 47 // get string at specified offset
aoqi@0 48 bool string_at(int offset, char* buf, int buflen);
aoqi@0 49
aoqi@0 50 // get status code
aoqi@0 51 NullDecoder::decoder_status get_status() { return m_status; };
aoqi@0 52
aoqi@0 53 protected:
aoqi@0 54 ElfStringTable* m_next;
aoqi@0 55
aoqi@0 56 // section index
aoqi@0 57 int m_index;
aoqi@0 58
aoqi@0 59 // holds complete string table if can
aoqi@0 60 // allocate enough memory
aoqi@0 61 const char* m_table;
aoqi@0 62
aoqi@0 63 // file contains string table
aoqi@0 64 FILE* m_file;
aoqi@0 65
aoqi@0 66 // section header
aoqi@0 67 Elf_Shdr m_shdr;
aoqi@0 68
aoqi@0 69 // error code
aoqi@0 70 NullDecoder::decoder_status m_status;
aoqi@0 71 };
aoqi@0 72
aoqi@0 73 #endif // !_WINDOWS && !__APPLE__
aoqi@0 74
aoqi@0 75 #endif // SHARE_VM_UTILITIES_ELF_STRING_TABLE_HPP

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