mirror of
https://github.com/lief-project/LIEF
synced 2026-06-08 15:30:44 +00:00
Romain Thomas
132 lines
3.3 KiB
C++
132 lines
3.3 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_ABSTRACT_SECTION_H
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#define LIEF_ABSTRACT_SECTION_H
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#include <string>
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#include <vector>
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#include <ostream>
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#include "LIEF/span.hpp"
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#include "LIEF/Object.hpp"
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#include "LIEF/visibility.h"
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namespace LIEF {
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/// Class which represents an abstracted section
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class LIEF_API Section : public Object {
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public:
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static constexpr size_t npos = -1;
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Section() = default;
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Section(std::string name) :
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name_(std::move(name))
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{}
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~Section() override = default;
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Section& operator=(const Section&) = default;
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Section(const Section&) = default;
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/// section's name
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virtual std::string name() const {
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return name_.c_str();
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}
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/// Return the **complete** section's name which might
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/// trailing (``0``) bytes
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virtual const std::string& fullname() const {
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return name_;
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}
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/// section's content
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virtual span<const uint8_t> content() const {
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return {};
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}
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/// Change the section size
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virtual void size(uint64_t size) {
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size_ = size;
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}
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/// section's size (size in the binary, not the virtual size)
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virtual uint64_t size() const {
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return size_;
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}
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/// Offset in the binary
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virtual uint64_t offset() const {
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return offset_;
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}
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/// Address where the section should be mapped
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virtual uint64_t virtual_address() const {
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return virtual_address_;
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}
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virtual void virtual_address(uint64_t virtual_address) {
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virtual_address_ = virtual_address;
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}
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/// Change the section's name
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virtual void name(std::string name) {
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name_ = std::move(name);
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}
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/// Change section content
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virtual void content(const std::vector<uint8_t>&) {}
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virtual void offset(uint64_t offset) {
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offset_ = offset;
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}
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/// Section's entropy
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double entropy() const;
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// Search functions
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// ================
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size_t search(uint64_t integer, size_t pos, size_t size) const;
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size_t search(const std::vector<uint8_t>& pattern, size_t pos = 0) const;
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size_t search(const std::string& pattern, size_t pos = 0) const;
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size_t search(uint64_t integer, size_t pos = 0) const;
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// Search all functions
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// ====================
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std::vector<size_t> search_all(uint64_t v, size_t size) const;
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std::vector<size_t> search_all(uint64_t v) const;
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std::vector<size_t> search_all(const std::string& v) const;
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/// Method so that the ``visitor`` can visit us
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void accept(Visitor& visitor) const override;
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LIEF_API friend std::ostream& operator<<(std::ostream& os, const Section& entry);
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protected:
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std::string name_;
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uint64_t virtual_address_ = 0;
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uint64_t size_ = 0;
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uint64_t offset_ = 0;
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private:
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template<typename T>
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std::vector<size_t> search_all_(const T& v) const;
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};
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}
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#endif
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