File indexing completed on 2024-05-12 05:43:30

0001 /*
0002     Copyright (C) 2013-2014 Volker Krause <vkrause@kde.org>
0003 
0004     This program is free software; you can redistribute it and/or modify it
0005     under the terms of the GNU Library General Public License as published by
0006     the Free Software Foundation; either version 2 of the License, or (at your
0007     option) any later version.
0008 
0009     This program is distributed in the hope that it will be useful, but WITHOUT
0010     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0011     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
0012     License for more details.
0013 
0014     You should have received a copy of the GNU General Public License
0015     along with this program.  If not, see <https://www.gnu.org/licenses/>.
0016 */
0017 
0018 #ifndef ELFSECTIONHEADER_H
0019 #define ELFSECTIONHEADER_H
0020 
0021 #include <cstdint>
0022 
0023 class ElfFile;
0024 
0025 /** Size-independent adapter to ElfXX_Shdr. */
0026 class ElfSectionHeader
0027 {
0028 public:
0029     ElfSectionHeader(const ElfSectionHeader &other) = delete;
0030     virtual ~ElfSectionHeader();
0031     ElfSectionHeader& operator=(const ElfSectionHeader &other) = delete;
0032 
0033     uint16_t sectionIndex() const;
0034     /** The location of the header (not the section it describes) in the ELF file. */
0035     uint64_t headerOffset() const;
0036 
0037     /** String index of the section name. */
0038     virtual uint32_t nameIndex() const = 0;
0039     virtual uint32_t type() const = 0;
0040     virtual uint64_t flags() const = 0;
0041     virtual uint64_t virtualAddress() const = 0;
0042     /** The location of the section (not this header) in the ELF file. */
0043     virtual uint64_t sectionOffset() const = 0;
0044     virtual uint64_t size() const = 0;
0045     virtual uint32_t link() const = 0;
0046     virtual uint32_t info() const = 0;
0047     virtual uint64_t alignment() const = 0;
0048     virtual uint64_t entrySize() const = 0;
0049 
0050     /** Section name. */
0051     const char* name() const;
0052     /** Returns @c true if this section is related to debug information in some way. */
0053     bool isDebugInformation() const;
0054 
0055     /** Returns the amount of entries in this section if section is an array. */
0056     uint64_t entryCount() const;
0057 
0058     ElfFile* file() const;
0059 
0060 protected:
0061     explicit ElfSectionHeader(ElfFile *file, uint16_t sectionIndex);
0062 
0063 private:
0064     ElfFile *m_file = nullptr;
0065     uint16_t m_sectionIndex = 0;
0066 };
0067 
0068 #endif // ELFSECTIONHEADER_H