File indexing completed on 2024-05-12 05:43:29

 /*
     Copyright (C) 2015 Volker Krause <vkrause@kde.org>
 
     This program is free software; you can redistribute it and/or modify it
     under the terms of the GNU Library General Public License as published by
     the Free Software Foundation; either version 2 of the License, or (at your
     option) any later version.
 
     This program 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 Library General Public
     License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include "elfgnusymbolversiondefinitionssection.h"
 #include "elfgnusymbolversiondefinition.h"
 #include "elffile.h"
 
 #include <elf.h>
 
 ElfGNUSymbolVersionDefinitionsSection::ElfGNUSymbolVersionDefinitionsSection(ElfFile* file, ElfSectionHeader* shdr):
     ElfSection(file, shdr)
 {
 }
 
 ElfGNUSymbolVersionDefinitionsSection::~ElfGNUSymbolVersionDefinitionsSection()
 {
     qDeleteAll(m_versionDefinitions);
 }
 
 uint32_t ElfGNUSymbolVersionDefinitionsSection::entryCount() const
 {
     return m_versionDefinitions.size();
 }
 
 ElfGNUSymbolVersionDefinition* ElfGNUSymbolVersionDefinitionsSection::definition(uint32_t index) const
 {
     return m_versionDefinitions.at(index);
 }
 
 ElfGNUSymbolVersionDefinition* ElfGNUSymbolVersionDefinitionsSection::definitionForVersionIndex(uint16_t index) const
 {
     foreach (auto def, m_versionDefinitions) {
         if ((def->versionIndex() & 0x7FFF) == (index & 0x7FFF))
             return def;
     }
     return nullptr;
 }
 
 void ElfGNUSymbolVersionDefinitionsSection::parse()
 {
     // TODO parse until nextOffset() is 0 might be an alternative, removes dependency on dynamicSection() being available here
     const auto verDefNum = file()->dynamicSection()->entryWithTag(DT_VERDEFNUM);
     if (!verDefNum)
         return;
 
     uint32_t offset = 0;
     m_versionDefinitions.reserve(verDefNum->value());
     for (uint i = 0; i < verDefNum->value(); ++i) {
         const auto entry = new ElfGNUSymbolVersionDefinition(this, offset);
         m_versionDefinitions.push_back(entry);
         offset += entry->nextOffset();
     }
 }