| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Pack relative relocations into a more compact form. |
| |
| #ifndef TOOLS_RELOCATION_PACKER_SRC_PACKER_H_ |
| #define TOOLS_RELOCATION_PACKER_SRC_PACKER_H_ |
| |
| #include <stdint.h> |
| #include <vector> |
| |
| #include "elf.h" |
| |
| namespace relocation_packer { |
| |
| // A RelocationPacker packs vectors of relocations into more |
| // compact forms, and unpacks them to reproduce the pre-packed data. |
| template <typename ELF> |
| class RelocationPacker { |
| public: |
| // Pack relocations into a more compact form. |
| // |relocations| is a vector of relocation structs. |
| // |packed| is the vector of packed bytes into which relocations are packed. |
| static void PackRelocations(const std::vector<typename ELF::Rela>& relocations, |
| std::vector<uint8_t>* packed); |
| |
| // Unpack relocations from their more compact form. |
| // |packed| is the vector of packed relocations. |
| // |relocations| is a vector of unpacked relocation structs. |
| static void UnpackRelocations(const std::vector<uint8_t>& packed, |
| std::vector<typename ELF::Rela>* relocations); |
| }; |
| |
| } // namespace relocation_packer |
| |
| #endif // TOOLS_RELOCATION_PACKER_SRC_PACKER_H_ |