return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
}
+// Dynamic tags found in the PT_DYNAMIC segment.
+
+enum DT
+{
+ DT_NULL = 0,
+ DT_NEEDED = 1,
+ DT_PLTRELSZ = 2,
+ DT_PLTGOT = 3,
+ DT_HASH = 4,
+ DT_STRTAB = 5,
+ DT_SYMTAB = 6,
+ DT_RELA = 7,
+ DT_RELASZ = 8,
+ DT_RELAENT = 9,
+ DT_STRSZ = 10,
+ DT_SYMENT = 11,
+ DT_INIT = 12,
+ DT_FINI = 13,
+ DT_SONAME = 14,
+ DT_RPATH = 15,
+ DT_SYMBOLIC = 16,
+ DT_REL = 17,
+ DT_RELSZ = 18,
+ DT_RELENT = 19,
+ DT_PLTREL = 20,
+ DT_DEBUG = 21,
+ DT_TEXTREL = 22,
+ DT_JMPREL = 23,
+ DT_BIND_NOW = 24,
+ DT_INIT_ARRAY = 25,
+ DT_FINI_ARRAY = 26,
+ DT_INIT_ARRAYSZ = 27,
+ DT_FINI_ARRAYSZ = 28,
+ DT_RUNPATH = 29,
+ DT_FLAGS = 30,
+ DT_ENCODING = 32,
+ DT_PREINIT_ARRAY = 33,
+ DT_PREINIT_ARRAYSZ = 33,
+ DT_LOOS = 0x6000000d,
+ DT_HIOS = 0x6ffff000,
+ DT_LOPROC = 0x70000000,
+ DT_HIPROC = 0x7fffffff,
+
+ // The remaining values are extensions used by GNU or Solaris.
+ DT_VALRNGLO = 0x6ffffd00,
+ DT_GNU_PRELINKED = 0x6ffffdf5,
+ DT_GNU_CONFLICTSZ = 0x6ffffdf6,
+ DT_GNU_LIBLISTSZ = 0x6ffffdf7,
+ DT_CHECKSUM = 0x6ffffdf8,
+ DT_PLTPADSZ = 0x6ffffdf9,
+ DT_MOVEENT = 0x6ffffdfa,
+ DT_MOVESZ = 0x6ffffdfb,
+ DT_FEATURE = 0x6ffffdfc,
+ DT_POSFLAG_1 = 0x6ffffdfd,
+ DT_SYMINSZ = 0x6ffffdfe,
+ DT_SYMINENT = 0x6ffffdff,
+ DT_VALRNGHI = 0x6ffffdff,
+
+ DT_ADDRRNGLO = 0x6ffffe00,
+ DT_GNU_HASH = 0x6ffffef5,
+ DT_TLSDESC_PLT = 0x6ffffef6,
+ DT_TLSDESC_GOT = 0x6ffffef7,
+ DT_GNU_CONFLICT = 0x6ffffef8,
+ DT_GNU_LIBLIST = 0x6ffffef9,
+ DT_CONFIG = 0x6ffffefa,
+ DT_DEPAUDIT = 0x6ffffefb,
+ DT_AUDIT = 0x6ffffefc,
+ DT_PLTPAD = 0x6ffffefd,
+ DT_MOVETAB = 0x6ffffefe,
+ DT_SYMINFO = 0x6ffffeff,
+ DT_ADDRRNGHI = 0x6ffffeff,
+
+ DT_RELACOUNT = 0x6ffffff9,
+ DT_RELCOUNT = 0x6ffffffa,
+ DT_FLAGS_1 = 0x6ffffffb,
+ DT_VERDEF = 0x6ffffffc,
+ DT_VERDEFNUM = 0x6ffffffd,
+ DT_VERNEED = 0x6ffffffe,
+ DT_VERNEEDNUM = 0x6fffffff,
+
+ DT_VERSYM = 0x6ffffff0,
+
+ DT_AUXILIARY = 0x7ffffffd,
+ DT_USED = 0x7ffffffe,
+ DT_FILTER = 0x7fffffff
+};
+
+// Flags found in the DT_FLAGS dynamic element.
+
+enum DF
+{
+ DF_ORIGIN = 0x1,
+ DF_SYMBOLIC = 0x2,
+ DF_TEXTREL = 0x4,
+ DF_BIND_NOW = 0x8,
+ DF_STATIC_TLS = 0x10
+};
+
+// Version numbers which appear in the vd_version field of a Verdef
+// structure.
+
+const int VER_DEF_NONE = 0;
+const int VER_DEF_CURRENT = 1;
+
+// Version numbers which appear in the vn_version field of a Verneed
+// structure.
+
+const int VER_NEED_NONE = 0;
+const int VER_NEED_CURRENT = 1;
+
+// Bit flags which appear in vd_flags of Verdef and vna_flags of
+// Vernaux.
+
+const int VER_FLG_BASE = 0x1;
+const int VER_FLG_WEAK = 0x2;
+
+// Special constants found in the SHT_GNU_versym entries.
+
+const int VER_NDX_LOCAL = 0;
+const int VER_NDX_GLOBAL = 1;
+
+// A SHT_GNU_versym section holds 16-bit words. This bit is set if
+// the symbol is hidden and can only be seen when referenced using an
+// explicit version number. This is a GNU extension.
+
+const int VERSYM_HIDDEN = 0x8000;
+
+// This is the mask for the rest of the data in a word read from a
+// SHT_GNU_versym section.
+
+const int VERSYM_VERSION = 0x7fff;
+
} // End namespace elfcpp.
// Include internal details after defining the types.
// Sizes of ELF reloc entries.
static const int rel_size = sizeof(internal::Rel_data<size>);
static const int rela_size = sizeof(internal::Rela_data<size>);
+ // Size of ELF dynamic entry.
+ static const int dyn_size = sizeof(internal::Dyn_data<size>);
+ // Size of ELF version structures.
+ static const int verdef_size = sizeof(internal::Verdef_data);
+ static const int verdaux_size = sizeof(internal::Verdaux_data);
+ static const int verneed_size = sizeof(internal::Verneed_data);
+ static const int vernaux_size = sizeof(internal::Vernaux_data);
};
// Accessor class for the ELF file header.
internal::Sym_data<size>* p_;
};
-// Accessor classes for Elf relocation table entries.
+// Accessor classes for an ELF REL relocation entry.
template<int size, bool big_endian>
class Rel
const internal::Rel_data<size>* p_;
};
+// Writer class for an ELF Rel relocation.
+
+template<int size, bool big_endian>
+class Rel_write
+{
+ public:
+ Rel_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
+ { }
+
+ void
+ put_r_offset(typename Elf_types<size>::Elf_Addr v)
+ { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_r_info(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
+
+ private:
+ internal::Rel_data<size>* p_;
+};
+
+// Accessor class for an ELF Rela relocation.
+
template<int size, bool big_endian>
class Rela
{
const internal::Rela_data<size>* p_;
};
+// Writer class for an ELF Rela relocation.
+
+template<int size, bool big_endian>
+class Rela_write
+{
+ public:
+ Rela_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
+ { }
+
+ void
+ put_r_offset(typename Elf_types<size>::Elf_Addr v)
+ { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_r_info(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_r_addend(typename Elf_types<size>::Elf_Swxword v)
+ { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
+
+ private:
+ internal::Rela_data<size>* p_;
+};
+
+// Accessor classes for entries in the ELF SHT_DYNAMIC section aka
+// PT_DYNAMIC segment.
+
+template<int size, bool big_endian>
+class Dyn
+{
+ public:
+ Dyn(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
+ { }
+
+ template<typename File>
+ Dyn(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ typename Elf_types<size>::Elf_Swxword
+ get_d_tag() const
+ { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
+
+ typename Elf_types<size>::Elf_WXword
+ get_d_val() const
+ { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
+
+ typename Elf_types<size>::Elf_Addr
+ get_d_ptr() const
+ { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
+
+ private:
+ const internal::Dyn_data<size>* p_;
+};
+
+// Write class for an entry in the SHT_DYNAMIC section.
+
+template<int size, bool big_endian>
+class Dyn_write
+{
+ public:
+ Dyn_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
+ { }
+
+ void
+ put_d_tag(typename Elf_types<size>::Elf_Swxword v)
+ { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_d_val(typename Elf_types<size>::Elf_WXword v)
+ { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
+
+ void
+ put_d_ptr(typename Elf_types<size>::Elf_Addr v)
+ { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
+
+ private:
+ internal::Dyn_data<size>* p_;
+};
+
+// Accessor classes for entries in the ELF SHT_GNU_verdef section.
+
+template<int size, bool big_endian>
+class Verdef
+{
+ public:
+ Verdef(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Verdef_data*>(p))
+ { }
+
+ template<typename File>
+ Verdef(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Verdef_data*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ Elf_Half
+ get_vd_version() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
+
+ Elf_Half
+ get_vd_flags() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
+
+ Elf_Half
+ get_vd_ndx() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
+
+ Elf_Half
+ get_vd_cnt() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
+
+ Elf_Word
+ get_vd_hash() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
+
+ Elf_Word
+ get_vd_aux() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
+
+ Elf_Word
+ get_vd_next() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
+
+ private:
+ const internal::Verdef_data* p_;
+};
+
+template<int size, bool big_endian>
+class Verdef_write
+{
+ public:
+ Verdef_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Verdef_data*>(p))
+ { }
+
+ void
+ set_vd_version(Elf_Half v)
+ { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vd_flags(Elf_Half v)
+ { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vd_ndx(Elf_Half v)
+ { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vd_cnt(Elf_Half v)
+ { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vd_hash(Elf_Word v)
+ { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ set_vd_aux(Elf_Word v)
+ { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ set_vd_next(Elf_Word v)
+ { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
+
+ private:
+ internal::Verdef_data* p_;
+};
+
+// Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
+// section.
+
+template<int size, bool big_endian>
+class Verdaux
+{
+ public:
+ Verdaux(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
+ { }
+
+ template<typename File>
+ Verdaux(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Verdaux_data*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ Elf_Word
+ get_vda_name() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
+
+ Elf_Word
+ get_vda_next() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
+
+ private:
+ const internal::Verdaux_data* p_;
+};
+
+template<int size, bool big_endian>
+class Verdaux_write
+{
+ public:
+ Verdaux_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Verdaux_data*>(p))
+ { }
+
+ void
+ set_vda_name(Elf_Word v)
+ { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ set_vda_next(Elf_Word v)
+ { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
+
+ private:
+ internal::Verdaux_data* p_;
+};
+
+// Accessor classes for entries in the ELF SHT_GNU_verneed section.
+
+template<int size, bool big_endian>
+class Verneed
+{
+ public:
+ Verneed(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Verneed_data*>(p))
+ { }
+
+ template<typename File>
+ Verneed(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Verneed_data*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ Elf_Half
+ get_vn_version() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
+
+ Elf_Half
+ get_vn_cnt() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
+
+ Elf_Word
+ get_vn_file() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
+
+ Elf_Word
+ get_vn_aux() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
+
+ Elf_Word
+ get_vn_next() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
+
+ private:
+ const internal::Verneed_data* p_;
+};
+
+template<int size, bool big_endian>
+class Verneed_write
+{
+ public:
+ Verneed_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Verneed_data*>(p))
+ { }
+
+ void
+ set_vn_version(Elf_Half v)
+ { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vn_cnt(Elf_Half v)
+ { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vn_file(Elf_Word v)
+ { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ set_vn_aux(Elf_Word v)
+ { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ set_vn_next(Elf_Word v)
+ { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
+
+ private:
+ internal::Verneed_data* p_;
+};
+
+// Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
+// section.
+
+template<int size, bool big_endian>
+class Vernaux
+{
+ public:
+ Vernaux(const unsigned char* p)
+ : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
+ { }
+
+ template<typename File>
+ Vernaux(File* file, typename File::Location loc)
+ : p_(reinterpret_cast<const internal::Vernaux_data*>(
+ file->view(loc.file_offset, loc.data_size).data()))
+ { }
+
+ Elf_Word
+ get_vna_hash() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
+
+ Elf_Half
+ get_vna_flags() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
+
+ Elf_Half
+ get_vna_other() const
+ { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
+
+ Elf_Word
+ get_vna_name() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
+
+ Elf_Word
+ get_vna_next() const
+ { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
+
+ private:
+ const internal::Vernaux_data* p_;
+};
+
+template<int size, bool big_endian>
+class Vernaux_write
+{
+ public:
+ Vernaux_write(unsigned char* p)
+ : p_(reinterpret_cast<internal::Vernaux_data*>(p))
+ { }
+
+ void
+ set_vna_hash(Elf_Word v)
+ { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ set_vna_flags(Elf_Half v)
+ { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vna_other(Elf_Half v)
+ { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
+
+ void
+ set_vna_name(Elf_Word v)
+ { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
+
+ void
+ set_vna_next(Elf_Word v)
+ { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
+
+ private:
+ internal::Vernaux_data* p_;
+};
+
} // End namespace elfcpp.
#endif // !defined(ELFPCP_H)
projects / deliverable / binutils-gdb.git / blobdiff