JDK14/Java14源码在线阅读

/*
 * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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#ifndef SHARE_UTILITIES_ELFSTRINGTABLE_HPP
#define SHARE_UTILITIES_ELFSTRINGTABLE_HPP

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

#include "memory/allocation.hpp"
#include "utilities/decoder.hpp"
#include "utilities/elfFile.hpp"


// The string table represents a string table section in an elf file.
// Whenever there is enough memory, it will load whole string table as
// one blob. Otherwise, it will load string from file when requested.
class ElfStringTable: CHeapObj<mtInternal> {
  friend class ElfFile;
private:
  ElfStringTable*   _next;
  int               _index;     // section index
  ElfSection        _section;
  FILE* const       _fd;
  NullDecoder::decoder_status _status;

public:
  ElfStringTable(FILE* const file, Elf_Shdr& shdr, int index);
  ~ElfStringTable();

  // section index
  int index() const { return _index; };

  // get string at specified offset
  bool string_at(size_t offset, char* buf, int buflen);

  // get status code
  NullDecoder::decoder_status get_status() const {

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