File indexing completed on 2024-05-12 05:43:26 

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 STRUCTUREPACKINGCHECK_H
0019 #define STRUCTUREPACKINGCHECK_H
0020 
0021 #include <QSet>
0022 
0023 class ElfFileSet;
0024 class DwarfInfo;
0025 class DwarfDie;
0026 
0027 class QString;
0028 template<class T> class QVector;
0029 
0030 class StructurePackingCheck
0031 {
0032 public:
0033     StructurePackingCheck() = default;
0034     StructurePackingCheck(const StructurePackingCheck&) = default;
0035     ~StructurePackingCheck() = default;
0036 
0037     StructurePackingCheck& operator=(const StructurePackingCheck&) = default;
0038 
0039     /** Set the ELF file set the checked DWARF info belongs to.*/
0040     void setElfFileSet(ElfFileSet *fileSet);
0041 
0042     void checkAll(DwarfInfo* info);
0043     QString checkOneStructure(DwarfDie *structDie) const;
0044 
0045 private:
0046     void checkDie(DwarfDie* die);
0047     std::tuple<int, int> computeStructureMemoryUsage(DwarfDie* structDie, const QVector<DwarfDie*> &memberDies) const;
0048     QString printStructure(DwarfDie* structDie, const QVector< DwarfDie* >& memberDies) const;
0049     int optimalStructureSize(DwarfDie* structDie, const QVector<DwarfDie*> &memberDies) const;
0050     /** Look for a better type DIE for the given external one (@p typeDie). */
0051     DwarfDie* findTypeDefinition(DwarfDie *typeDie) const;
0052 
0053     ElfFileSet *m_fileSet = nullptr;
0054     QSet<QString> m_duplicateCheck;
0055 };
0056 
0057 #endif // STRUCTUREPACKINGCHECK_H