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

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 ELFREVERSERELOCATOR_H
0019 #define ELFREVERSERELOCATOR_H
0020 
0021 #include <QVector>
0022 
0023 class ElfRelocationEntry;
0024 class ElfRelocationSection;
0025 
0026 /** Look up if a given address is relocated. */
0027 class ElfReverseRelocator
0028 {
0029 public:
0030     /** Total amount of relocations. */
0031     int size() const;
0032 
0033     /** Finds the relocation entry for the given virtual address.
0034      *  Returns @c nullptr if @p vaddr isn't relocated.
0035      */
0036     ElfRelocationEntry* find(uint64_t vaddr) const;
0037 
0038     /** Counts the amount of relocations within the given address range. */
0039     int relocationCount(uint64_t beginVAddr, uint64_t length) const;
0040 
0041     // internal for ElfFile
0042     void addRelocationSection(ElfRelocationSection* section);
0043 
0044 private:
0045     void indexRelocations() const;
0046 
0047     QVector<ElfRelocationSection*> m_relocSections;
0048     mutable QVector<ElfRelocationEntry*> m_relocations;
0049 };
0050 
0051 #endif // ELFREVERSERELOCATOR_H