71 lines
1.3 KiB
C++
71 lines
1.3 KiB
C++
#ifndef ELFSPY_SECTIONHEADER_H
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#define ELFSPY_SECTIONHEADER_H
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#include <elf.h>
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#include "elfspy/Section.h"
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namespace spy
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{
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class ELFInfo;
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class SectionHeader
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{
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public:
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SectionHeader() = default;
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const unsigned char* begin() const;
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const unsigned char* end() const;
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size_t entries() const;
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bool operator!() const;
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explicit operator bool() const;
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template <typename T>
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Section<T> as_section() const;
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private:
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static const Elf_Shdr no_header_;
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const unsigned char* data_ = nullptr;
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const Elf_Shdr* header_ = &no_header_;
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friend class ELFInfo;
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SectionHeader(const unsigned char* data, const Elf_Shdr* header);
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};
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inline SectionHeader::SectionHeader(const unsigned char* data, const Elf_Shdr* header)
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:data_(data)
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,header_(header)
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{
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}
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inline const unsigned char* SectionHeader::begin() const
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{
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return data_ + header_->sh_offset;
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}
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inline const unsigned char* SectionHeader::end() const
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{
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return begin() + header_->sh_size;
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}
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inline size_t SectionHeader::entries() const
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{
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return header_->sh_size / header_->sh_entsize;
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}
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inline bool SectionHeader::operator!() const
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{
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return header_ == nullptr;
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}
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inline SectionHeader::operator bool() const
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{
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return header_ != nullptr;
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}
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template <typename T>
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inline Section<T> SectionHeader::as_section() const
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{
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return { data_, header_ };
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}
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} // namespace spy
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#endif
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