File indexing completed on 2024-05-12 05:43:29
0001 /* 0002 Copyright (C) 2015 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 ELFGNUHASHSECTION_H 0019 #define ELFGNUHASHSECTION_H 0020 0021 #include "elfhashsection.h" 0022 0023 #include <QVector> 0024 0025 class ElfSymbolTableEntry; 0026 0027 /** Represents the .gnu.hash section. */ 0028 class ElfGnuHashSection : public ElfHashSection 0029 { 0030 public: 0031 explicit ElfGnuHashSection(ElfFile* file, ElfSectionHeader* shdr); 0032 ~ElfGnuHashSection(); 0033 0034 uint32_t bucketCount() const final override; 0035 uint32_t chainCount() const final override; 0036 0037 uint32_t symbolIndex() const; 0038 uint32_t maskWordsCount() const; 0039 uint32_t shift2() const; 0040 0041 static uint32_t hash(const char* name); 0042 ElfSymbolTableEntry *lookup(const char* name) const final override; 0043 0044 QVector<uint32_t> histogram() const final override; 0045 double averagePrefixLength() const final override; 0046 0047 private: 0048 uint32_t bucket(uint32_t index) const; 0049 uint32_t* value(uint32_t index) const; 0050 uint64_t filterMask(uint32_t index) const; 0051 }; 0052 0053 #endif // ELFGNUHASHSECTION_H