PF_R = 0x4,  PF_MASKOS = 0x0ff00000,  PF_MASKPROC = 0xf0000000}; // Symbol binding from Sym st_info field. enum STB{  STB_LOCAL = 0,  STB_GLOBAL = 1,  STB_WEAK = 2,  STB_LOOS = 10,  STB_GNU_UNIQUE = 10,  STB_HIOS = 12,  STB_LOPROC = 13,  STB_HIPROC = 15}; // Symbol types from Sym st_info field. enum STT{  STT_NOTYPE = 0,  STT_OBJECT = 1,  STT_FUNC = 2,  STT_SECTION = 3,  STT_FILE = 4,  STT_COMMON = 5,  STT_TLS = 6,   // GNU extension: symbol value points to a function which is called  // at runtime to determine the final value of the symbol.  STT_GNU_IFUNC = 10,   STT_LOOS = 10,  STT_HIOS = 12,  STT_LOPROC = 13,  STT_HIPROC = 15,   // The section type that must be used for register symbols on  // Sparc.  These symbols initialize a global register.  STT_SPARC_REGISTER = 13,   // ARM: a THUMB function.  This is not defined in ARM ELF Specification but  // used by the GNU tool-chain.  STT_ARM_TFUNC = 13}; inline STBelf_st_bind(unsigned char info){  return static_cast<STB>(info >> 4);} inline STTelf_st_type(unsigned char info){  return static_cast<STT>(info & 0xf);} inline unsigned charelf_st_info(STB bind, STT type){  return ((static_cast<unsigned char>(bind) << 4)	  + (static_cast<unsigned char>(type) & 0xf));} // Symbol visibility from Sym st_other field. enum STV{  STV_DEFAULT = 0,  STV_INTERNAL = 1,  STV_HIDDEN = 2,  STV_PROTECTED = 3}; inline STVelf_st_visibility(unsigned char other){  return static_cast<STV>(other & 0x3);} inline unsigned charelf_st_nonvis(unsigned char other){  return static_cast<STV>(other >> 2);} inline unsigned charelf_st_other(STV vis, unsigned char nonvis){  return ((nonvis << 2)	  + (static_cast<unsigned char>(vis) & 3));} // Reloc information from Rel/Rela r_info field. template<int size>unsigned intelf_r_sym(typename Elf_types<size>::Elf_WXword); template<>inline unsigned intelf_r_sym<32>(Elf_Word v){  return v >> 8;} template<>inline unsigned intelf_r_sym<64>(Elf_Xword v){  return v >> 32;} template<int size>unsigned intelf_r_type(typename Elf_types<size>::Elf_WXword); template<>inline unsigned intelf_r_type<32>(Elf_Word v){  return v & 0xff;} template<>inline unsigned intelf_r_type<64>(Elf_Xword v){  return v & 0xffffffff;} template<int size>typename Elf_types<size>::Elf_WXwordelf_r_info(unsigned int s, unsigned int t); template<>inline Elf_Wordelf_r_info<32>(unsigned int s, unsigned int t){  return (s << 8) + (t & 0xff);} template<>inline Elf_Xwordelf_r_info<64>(unsigned int s, unsigned int t){  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,   // This is used to mark a range of dynamic tags.  It is not really  // a tag value.  DT_ENCODING = 32,   DT_PREINIT_ARRAY = 32,  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,   // Specify the value of _GLOBAL_OFFSET_TABLE_.  DT_PPC_GOT = 0x70000000,   // Specify the start of the .glink section.  DT_PPC64_GLINK = 0x70000000,   // Specify the start and size of the .opd section.  DT_PPC64_OPD = 0x70000001,  DT_PPC64_OPDSZ = 0x70000002,   // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB  // symbol table.  One dynamic entry exists for every STT_SPARC_REGISTER  // symbol in the symbol table.  DT_SPARC_REGISTER = 0x70000001,   // MIPS specific dynamic array tags.  // 32 bit version number for runtime linker interface.  DT_MIPS_RLD_VERSION = 0x70000001,  // Time stamp.  DT_MIPS_TIME_STAMP = 0x70000002,  // Checksum of external strings and common sizes.  DT_MIPS_ICHECKSUM = 0x70000003,  // Index of version string in string table.  DT_MIPS_IVERSION = 0x70000004,  // 32 bits of flags.  DT_MIPS_FLAGS = 0x70000005,  // Base address of the segment.  DT_MIPS_BASE_ADDRESS = 0x70000006,  // ???  DT_MIPS_MSYM = 0x70000007,  // Address of .conflict section.  DT_MIPS_CONFLICT = 0x70000008,  // Address of .liblist section.  DT_MIPS_LIBLIST = 0x70000009,  // Number of local global offset table entries.  DT_MIPS_LOCAL_GOTNO = 0x7000000a,  // Number of entries in the .conflict section.  DT_MIPS_CONFLICTNO = 0x7000000b,  // Number of entries in the .liblist section.  DT_MIPS_LIBLISTNO = 0x70000010,  // Number of entries in the .dynsym section.  DT_MIPS_SYMTABNO = 0x70000011,  // Index of first external dynamic symbol not referenced locally.  DT_MIPS_UNREFEXTNO = 0x70000012,  // Index of first dynamic symbol in global offset table.  DT_MIPS_GOTSYM = 0x70000013,  // Number of page table entries in global offset table.  DT_MIPS_HIPAGENO = 0x70000014,  // Address of run time loader map, used for debugging.  DT_MIPS_RLD_MAP = 0x70000016,  // Delta C++ class definition.  DT_MIPS_DELTA_CLASS = 0x70000017,  // Number of entries in DT_MIPS_DELTA_CLASS.  DT_MIPS_DELTA_CLASS_NO = 0x70000018,  // Delta C++ class instances.  DT_MIPS_DELTA_INSTANCE = 0x70000019,  // Number of entries in DT_MIPS_DELTA_INSTANCE.  DT_MIPS_DELTA_INSTANCE_NO = 0x7000001a,  // Delta relocations.  DT_MIPS_DELTA_RELOC = 0x7000001b,  // Number of entries in DT_MIPS_DELTA_RELOC.  DT_MIPS_DELTA_RELOC_NO = 0x7000001c,  // Delta symbols that Delta relocations refer to.  DT_MIPS_DELTA_SYM = 0x7000001d,  // Number of entries in DT_MIPS_DELTA_SYM.  DT_MIPS_DELTA_SYM_NO = 0x7000001e,  // Delta symbols that hold class declarations.  DT_MIPS_DELTA_CLASSSYM = 0x70000020,  // Number of entries in DT_MIPS_DELTA_CLASSSYM.  DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021,  // Flags indicating information about C++ flavor.  DT_MIPS_CXX_FLAGS = 0x70000022,  // Pixie information (???).  DT_MIPS_PIXIE_INIT = 0x70000023,  // Address of .MIPS.symlib  DT_MIPS_SYMBOL_LIB = 0x70000024,  // The GOT index of the first PTE for a segment  DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025,  // The GOT index of the first PTE for a local symbol  DT_MIPS_LOCAL_GOTIDX = 0x70000026,  // The GOT index of the first PTE for a hidden symbol  DT_MIPS_HIDDEN_GOTIDX = 0x70000027,  // The GOT index of the first PTE for a protected symbol  DT_MIPS_PROTECTED_GOTIDX = 0x70000028,  // Address of `.MIPS.options'.  DT_MIPS_OPTIONS = 0x70000029,  // Address of `.interface'.  DT_MIPS_INTERFACE = 0x7000002a,  // ???  DT_MIPS_DYNSTR_ALIGN = 0x7000002b,  // Size of the .interface section.  DT_MIPS_INTERFACE_SIZE = 0x7000002c,  // Size of rld_text_resolve function stored in the GOT.  DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002d,  // Default suffix of DSO to be added by rld on dlopen() calls.  DT_MIPS_PERF_SUFFIX = 0x7000002e,  // Size of compact relocation section (O32).  DT_MIPS_COMPACT_SIZE = 0x7000002f,  // GP value for auxiliary GOTs.  DT_MIPS_GP_VALUE = 0x70000030,  // Address of auxiliary .dynamic.  DT_MIPS_AUX_DYNAMIC = 0x70000031,  // Address of the base of the PLTGOT.  DT_MIPS_PLTGOT = 0x70000032,  // Points to the base of a writable PLT.  DT_MIPS_RWPLT = 0x70000034,   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}; // Flags found in the DT_FLAGS_1 dynamic element. enum DF_1{  DF_1_NOW = 0x1,  DF_1_GLOBAL = 0x2,  DF_1_GROUP = 0x4,  DF_1_NODELETE = 0x8,  DF_1_LOADFLTR = 0x10,  DF_1_INITFIRST = 0x20,  DF_1_NOOPEN = 0x40,  DF_1_ORIGIN = 0x80,  DF_1_DIRECT = 0x100,  DF_1_TRANS = 0x200,  DF_1_INTERPOSE = 0x400,  DF_1_NODEFLIB = 0x800,  DF_1_NODUMP = 0x1000,  DF_1_CONLFAT = 0x2000}; // 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;const int VER_FLG_INFO = 0x4; // 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; // Note descriptor type codes for notes in a non-core file with an// empty name. enum{  // A version string.  NT_VERSION = 1,  // An architecture string.  NT_ARCH = 2}; // Note descriptor type codes for notes in a non-core file with the// name "GNU". enum{  // The minimum ABI level.  This is used by the dynamic linker to  // describe the minimal kernel version on which a shared library may  // be used.  Th value should be four words.  Word 0 is an OS  // descriptor (see below).  Word 1 is the major version of the ABI.  // Word 2 is the minor version.  Word 3 is the subminor version.  NT_GNU_ABI_TAG = 1,  // Hardware capabilities information.  Word 0 is the number of  // entries.  Word 1 is a bitmask of enabled entries.  The rest of  // the descriptor is a series of entries, where each entry is a  // single byte followed by a nul terminated string.  The byte gives  // the bit number to test if enabled in the bitmask.  NT_GNU_HWCAP = 2,  // The build ID as set by the linker's --build-id option.  The  // format of the descriptor depends on the build ID style.  NT_GNU_BUILD_ID = 3,  // The version of gold used to link.  Th descriptor is just a  // string.  NT_GNU_GOLD_VERSION = 4}; // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note. enum{  ELF_NOTE_OS_LINUX = 0,  ELF_NOTE_OS_GNU = 1,  ELF_NOTE_OS_SOLARIS2 = 2,  ELF_NOTE_OS_FREEBSD = 3,  ELF_NOTE_OS_NETBSD = 4,  ELF_NOTE_OS_SYLLABLE = 5}; } // End namespace elfcpp. // Include internal details after defining the types.#include "elfcpp_internal.h" namespace elfcpp{ // The offset of the ELF file header in the ELF file. const int file_header_offset = 0; // ELF structure sizes. template<int size>struct Elf_sizes{  // Size of ELF file header.  static const int ehdr_size = sizeof(internal::Ehdr_data<size>);  // Size of ELF segment header.  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 symbol table entry.  static const int sym_size = sizeof(internal::Sym_data<size>);  // 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);

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