#include "elfcpp_config.h"
-#include <byteswap.h>
-
#ifndef ELFCPP_INTERNAL_H
#define ELFCPP_INTERNAL_H
namespace internal
{
-#ifdef WORDS_BIG_ENDIAN
-const bool host_big_endian = true;
-#else
-const bool host_big_endian = false;
-#endif
-
-// Conversion routines between target and host.
-
-// Convert Elf_Half.
-
-template<bool same_endian>
-Elf_Half
-convert_half_host(Elf_Half v);
-
-template<>
-inline Elf_Half
-convert_half_host<true>(Elf_Half v)
-{
- return v;
-}
-
-template<>
-inline Elf_Half
-convert_half_host<false>(Elf_Half v)
-{
- return bswap_16(v);
-}
-
-template<bool big_endian>
-inline Elf_Half
-convert_half(Elf_Half v)
-{
- return convert_half_host<big_endian == host_big_endian>(v);
-}
-
-// Convert Elf_Word.
-
-template<bool same_endian>
-Elf_Word
-convert_word_host(Elf_Word v);
-
-template<>
-inline Elf_Word
-convert_word_host<true>(Elf_Word v)
-{
- return v;
-}
-
-template<>
-inline Elf_Word
-convert_word_host<false>(Elf_Word v)
-{
- return bswap_32(v);
-}
-
-template<bool big_endian>
-inline Elf_Word
-convert_word(Elf_Word v)
-{
- return convert_word_host<big_endian == host_big_endian>(v);
-}
-
-// Convert Elf_Xword.
-
-template<bool same_endian>
-Elf_Xword
-convert_xword_host(Elf_Xword v);
-
-template<>
-inline Elf_Xword
-convert_xword_host<true>(Elf_Xword v)
-{
- return v;
-}
-
-template<>
-inline Elf_Xword
-convert_xword_host<false>(Elf_Xword v)
-{
- return bswap_64(v);
-}
-
-template<bool big_endian>
-inline Elf_Xword
-convert_xword(Elf_Xword v)
-{
- return convert_xword_host<big_endian == host_big_endian>(v);
-}
-
-// Convert Elf_addr.
-
-template<int size, bool same_endian>
-typename Elf_types<size>::Elf_Addr
-convert_addr_size(typename Elf_types<size>::Elf_Addr);
-
-template<>
-inline Elf_types<32>::Elf_Addr
-convert_addr_size<32, true>(Elf_types<32>::Elf_Addr v)
-{
- return v;
-}
-
-template<>
-inline Elf_types<64>::Elf_Addr
-convert_addr_size<64, true>(Elf_types<64>::Elf_Addr v)
-{
- return v;
-}
-
-template<>
-inline Elf_types<32>::Elf_Addr
-convert_addr_size<32, false>(Elf_types<32>::Elf_Addr v)
-{
- return bswap_32(v);
-}
-
-template<>
-inline Elf_types<64>::Elf_Addr
-convert_addr_size<64, false>(Elf_types<64>::Elf_Addr v)
-{
- return bswap_64(v);
-}
-
-template<int size, bool big_endian>
-inline typename Elf_types<size>::Elf_Addr
-convert_addr(typename Elf_types<size>::Elf_Addr v)
-{
- return convert_addr_size<size, big_endian == host_big_endian>(v);
-}
-
-// Convert Elf_Off.
-
-template<int size, bool big_endian>
-inline typename Elf_types<size>::Elf_Off
-convert_off(typename Elf_types<size>::Elf_Off v)
-{
- return convert_addr_size<size, big_endian == host_big_endian>(v);
-}
-
-// Convert Elf_WXword.
-
-template<int size, bool big_endian>
-inline typename Elf_types<size>::Elf_Off
-convert_wxword(typename Elf_types<size>::Elf_Off v)
-{
- return convert_addr_size<size, big_endian == host_big_endian>(v);
-}
-
// The ELF file header.
template<int size>
Elf_Half e_shstrndx;
};
-// An Elf section header.
+// An ELF section header.
template<int size>
struct Shdr_data
typename Elf_types<size>::Elf_WXword sh_entsize;
};
+// An ELF segment header. We use template specialization for the
+// 32-bit and 64-bit versions because the fields are in a different
+// order.
+
+template<int size>
+struct Phdr_data;
+
+template<>
+struct Phdr_data<32>
+{
+ Elf_Word p_type;
+ Elf_types<32>::Elf_Off p_offset;
+ Elf_types<32>::Elf_Addr p_vaddr;
+ Elf_types<32>::Elf_Addr p_paddr;
+ Elf_Word p_filesz;
+ Elf_Word p_memsz;
+ Elf_Word p_flags;
+ Elf_Word p_align;
+};
+
+template<>
+struct Phdr_data<64>
+{
+ Elf_Word p_type;
+ Elf_Word p_flags;
+ Elf_types<64>::Elf_Off p_offset;
+ Elf_types<64>::Elf_Addr p_vaddr;
+ Elf_types<64>::Elf_Addr p_paddr;
+ Elf_Xword p_filesz;
+ Elf_Xword p_memsz;
+ Elf_Xword p_align;
+};
+
// An ELF symbol table entry. We use template specialization for the
// 32-bit and 64-bit versions because the fields are in a different
// order.
Elf_Xword st_size;
};
+// ELF relocation table entries.
+
+template<int size>
+struct Rel_data
+{
+ typename Elf_types<size>::Elf_Addr r_offset;
+ typename Elf_types<size>::Elf_WXword r_info;
+};
+
+template<int size>
+struct Rela_data
+{
+ typename Elf_types<size>::Elf_Addr r_offset;
+ typename Elf_types<size>::Elf_WXword r_info;
+ typename Elf_types<size>::Elf_Swxword r_addend;
+};
+
+// An entry in the ELF SHT_DYNAMIC section aka PT_DYNAMIC segment.
+
+template<int size>
+struct Dyn_data
+{
+ typename Elf_types<size>::Elf_Swxword d_tag;
+ typename Elf_types<size>::Elf_WXword d_val;
+};
+
+// An entry in a SHT_GNU_verdef section. This structure is the same
+// in 32-bit and 64-bit ELF files.
+
+struct Verdef_data
+{
+ // Version number of structure (VER_DEF_*).
+ Elf_Half vd_version;
+ // Bit flags (VER_FLG_*).
+ Elf_Half vd_flags;
+ // Version index.
+ Elf_Half vd_ndx;
+ // Number of auxiliary Verdaux entries.
+ Elf_Half vd_cnt;
+ // Hash of name.
+ Elf_Word vd_hash;
+ // Byte offset to first Verdaux entry.
+ Elf_Word vd_aux;
+ // Byte offset to next Verdef entry.
+ Elf_Word vd_next;
+};
+
+// An auxiliary entry in a SHT_GNU_verdef section. This structure is
+// the same in 32-bit and 64-bit ELF files.
+
+struct Verdaux_data
+{
+ // Offset in string table of version name.
+ Elf_Word vda_name;
+ // Byte offset to next Verdaux entry.
+ Elf_Word vda_next;
+};
+
+// An entry in a SHT_GNU_verneed section. This structure is the same
+// in 32-bit and 64-bit ELF files.
+
+struct Verneed_data
+{
+ // Version number of structure (VER_NEED_*).
+ Elf_Half vn_version;
+ // Number of auxiliary Vernaux entries.
+ Elf_Half vn_cnt;
+ // Offset in string table of library name.
+ Elf_Word vn_file;
+ // Byte offset to first Vernaux entry.
+ Elf_Word vn_aux;
+ // Byt eoffset to next Verneed entry.
+ Elf_Word vn_next;
+};
+
+// An auxiliary entry in a SHT_GNU_verneed section. This structure is
+// the same in 32-bit and 64-bit ELF files.
+
+struct Vernaux_data
+{
+ // Hash of dependency name.
+ Elf_Word vna_hash;
+ // Bit flags (VER_FLG_*).
+ Elf_Half vna_flags;
+ // Version index used in SHT_GNU_versym entries.
+ Elf_Half vna_other;
+ // Offset in string table of version name.
+ Elf_Word vna_name;
+ // Byte offset to next Vernaux entry.
+ Elf_Word vna_next;
+};
+
} // End namespace internal.
} // End namespace elfcpp.
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