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Add chdr_size, Chdr, Chdr_write and Chdr_data

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* elfcpp.h (Elf_sizes): Add chdr_size.
	(Chdr): New.
	(Chdr_write): Likewise.
	* elfcpp_internal.h (Chdr_data): Likewise.
This commit is contained in:
H.J. Lu
2015-04-08 10:29:23 -07:00
parent 91fb4b1a83
commit febdfe65a8
3 changed files with 78 additions and 0 deletions
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61
elfcpp/elfcpp.h
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@ -1009,6 +1009,8 @@ struct Elf_sizes
static const int phdr_size = sizeof(internal::Phdr_data<size>);
// Size of ELF section header.
static const int shdr_size = sizeof(internal::Shdr_data<size>);
// Size of ELF compression header.
static const int chdr_size = sizeof(internal::Chdr_data<size>);
// Size of ELF symbol table entry.
static const int sym_size = sizeof(internal::Sym_data<size>);
// Sizes of ELF reloc entries.
@ -1284,6 +1286,65 @@ class Shdr_write
internal::Shdr_data<size>* p_;
};
// Accessor class for an ELF compression header.
template<int size, bool big_endian>
class Chdr
{
public:
Chdr(const unsigned char* p)
: p_(reinterpret_cast<const internal::Chdr_data<size>*>(p))
{ }
template<typename File>
Chdr(File* file, typename File::Location loc)
: p_(reinterpret_cast<const internal::Chdr_data<size>*>(
file->view(loc.file_offset, loc.data_size).data()))
{ }
typename Elf_types<size>::Elf_WXword
get_ch_type() const
{ return Convert<size, big_endian>::convert_host(this->p_->ch_type); }
typename Elf_types<size>::Elf_WXword
get_ch_size() const
{ return Convert<size, big_endian>::convert_host(this->p_->ch_size); }
typename Elf_types<size>::Elf_WXword
get_ch_addralign() const
{ return
Convert<size, big_endian>::convert_host(this->p_->ch_addralign); }
private:
const internal::Chdr_data<size>* p_;
};
// Write class for an ELF compression header.
template<int size, bool big_endian>
class Chdr_write
{
public:
Chdr_write(unsigned char* p)
: p_(reinterpret_cast<internal::Chdr_data<size>*>(p))
{ }
void
put_ch_type(typename Elf_types<size>::Elf_WXword v)
{ this->p_->ch_type = Convert<size, big_endian>::convert_host(v); }
void
put_ch_size(typename Elf_types<size>::Elf_WXword v)
{ this->p_->ch_size = Convert<size, big_endian>::convert_host(v); }
void
put_ch_addralign(typename Elf_types<size>::Elf_WXword v)
{ this->p_->ch_addralign = Convert<size, big_endian>::convert_host(v); }
private:
internal::Chdr_data<size>* p_;
};
// Accessor class for an ELF segment header.
template<int size, bool big_endian>