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