Quelle elfSymbolTable.hpp Sprache: C

/*
* 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/

#ifndef SHARE_UTILITIES_ELFSYMBOLTABLE_HPP
#define SHARE_UTILITIES_ELFSYMBOLTABLE_HPP

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

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

/*
* symbol table object represents a symbol section in an elf file.
* Whenever possible, it will load all symbols from the corresponding section
* of the elf file into memory. Otherwise, it will walk the section in file
* to look up the symbol that nearest the given address.
*/
class ElfSymbolTable: public CHeapObj<mtInternal> {
  friend class ElfFile;
private:
  ElfSymbolTable*  _next;

  // file contains string table
  FILE* const      _fd;

  // corresponding section
  ElfSection      _section;

  NullDecoder::decoder_status _status;
public:
  ElfSymbolTable(FILE* const file, Elf_Shdr& shdr);
  ~ElfSymbolTable();

  // search the symbol that is nearest to the specified address.
  bool lookup(address addr, int* stringtableIndex, int* posIndex, int* offset, ElfFuncDescTable* funcDescTable);

  NullDecoder::decoder_status get_status() const { return _status; };
private:
  ElfSymbolTable* next() const { return _next; }
  void set_next(ElfSymbolTable* next) { _next = next; }

  bool compare(const Elf_Sym* sym, address addr, int* stringtableIndex, int* posIndex, int* offset, ElfFuncDescTable* funcDescTable);
};

#endif // !_WINDOWS and !__APPLE__

#endif // SHARE_UTILITIES_ELFSYMBOLTABLE_HPP

quality100%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.