mirror of
https://github.com/lief-project/LIEF
synced 2026-06-08 15:30:44 +00:00
Romain Thomas
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
/* Copyright 2017 - 2026 R. Thomas
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* Copyright 2017 - 2026 Quarkslab
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIEF_MACHO_TWO_LEVEL_HINTS_H
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#define LIEF_MACHO_TWO_LEVEL_HINTS_H
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#include <vector>
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#include <ostream>
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#include "LIEF/visibility.h"
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#include "LIEF/span.hpp"
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#include "LIEF/iterators.hpp"
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#include "LIEF/MachO/LoadCommand.hpp"
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namespace LIEF {
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namespace MachO {
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class BinaryParser;
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class Builder;
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class LinkEdit;
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namespace details {
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struct twolevel_hints_command;
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}
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/// Class which represents the `LC_TWOLEVEL_HINTS` command
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class LIEF_API TwoLevelHints : public LoadCommand {
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friend class BinaryParser;
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friend class LinkEdit;
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friend class Builder;
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public:
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using hints_list_t = std::vector<uint32_t>;
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using it_hints_t = ref_iterator<hints_list_t&>;
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using it_const_hints_t = const_ref_iterator<const hints_list_t&>;
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TwoLevelHints() = default;
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TwoLevelHints(const details::twolevel_hints_command& cmd);
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TwoLevelHints& operator=(const TwoLevelHints& copy) = default;
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TwoLevelHints(const TwoLevelHints& copy) = default;
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std::unique_ptr<LoadCommand> clone() const override {
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return std::unique_ptr<TwoLevelHints>(new TwoLevelHints(*this));
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}
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/// Original payload of the command
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span<const uint8_t> content() const { return content_; }
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span<uint8_t> content() { return content_; }
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/// Iterator over the hints (`uint32_t` integers)
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it_hints_t hints() { return hints_; }
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it_const_hints_t hints() const { return hints_; }
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/// Original offset of the command. It should point in the
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/// `__LINKEDIT` segment
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uint32_t offset() const { return offset_; }
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void offset(uint32_t offset) { offset_ = offset; }
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uint32_t original_nb_hints() const {
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return original_nb_hints_;
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}
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~TwoLevelHints() override = default;
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void accept(Visitor& visitor) const override;
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std::ostream& print(std::ostream& os) const override;
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static bool classof(const LoadCommand* cmd) {
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return cmd->command() == LoadCommand::TYPE::TWOLEVEL_HINTS;
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}
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private:
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uint32_t offset_ = 0;
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hints_list_t hints_;
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span<uint8_t> content_;
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uint32_t original_nb_hints_ = 0;
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};
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}
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}
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#endif
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