X-Git-Url: https://oss.titaniummirror.com/gitweb?p=msp430-binutils.git;a=blobdiff_plain;f=elfcpp%2Felfcpp.h;fp=elfcpp%2Felfcpp.h;h=11b072683e763cded4b78fda20955ebf555094ae;hp=0000000000000000000000000000000000000000;hb=88750007d7869f178f0ba528f41efd3b74c424cf;hpb=6df9443a374e2b81278c61b8afc0a1eef7db280b diff --git a/elfcpp/elfcpp.h b/elfcpp/elfcpp.h new file mode 100644 index 0000000..11b0726 --- /dev/null +++ b/elfcpp/elfcpp.h @@ -0,0 +1,1796 @@ +// elfcpp.h -- main header file for elfcpp -*- C++ -*- + +// Copyright 2006, 2007, 2008, 2009 Free Software Foundation, Inc. +// Written by Ian Lance Taylor . + +// This file is part of elfcpp. + +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public License +// as published by the Free Software Foundation; either version 2, or +// (at your option) any later version. + +// In addition to the permissions in the GNU Library General Public +// License, the Free Software Foundation gives you unlimited +// permission to link the compiled version of this file into +// combinations with other programs, and to distribute those +// combinations without any restriction coming from the use of this +// file. (The Library Public License restrictions do apply in other +// respects; for example, they cover modification of the file, and +// distribution when not linked into a combined executable.) + +// This program is distributed in the hope that it will be useful, but +// WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. + +// You should have received a copy of the GNU Library General Public +// License along with this program; if not, write to the Free Software +// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA +// 02110-1301, USA. + +// This is the external interface for elfcpp. + +#ifndef ELFCPP_H +#define ELFCPP_H + +#include "elfcpp_swap.h" + +#include + +namespace elfcpp +{ + +// Basic ELF types. + +// These types are always the same size. + +typedef uint16_t Elf_Half; +typedef uint32_t Elf_Word; +typedef int32_t Elf_Sword; +typedef uint64_t Elf_Xword; +typedef int64_t Elf_Sxword; + +// These types vary in size depending on the ELF file class. The +// template parameter should be 32 or 64. + +template +struct Elf_types; + +template<> +struct Elf_types<32> +{ + typedef uint32_t Elf_Addr; + typedef uint32_t Elf_Off; + typedef uint32_t Elf_WXword; + typedef int32_t Elf_Swxword; +}; + +template<> +struct Elf_types<64> +{ + typedef uint64_t Elf_Addr; + typedef uint64_t Elf_Off; + typedef uint64_t Elf_WXword; + typedef int64_t Elf_Swxword; +}; + +// Offsets within the Ehdr e_ident field. + +const int EI_MAG0 = 0; +const int EI_MAG1 = 1; +const int EI_MAG2 = 2; +const int EI_MAG3 = 3; +const int EI_CLASS = 4; +const int EI_DATA = 5; +const int EI_VERSION = 6; +const int EI_OSABI = 7; +const int EI_ABIVERSION = 8; +const int EI_PAD = 9; +const int EI_NIDENT = 16; + +// The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3]. + +const int ELFMAG0 = 0x7f; +const int ELFMAG1 = 'E'; +const int ELFMAG2 = 'L'; +const int ELFMAG3 = 'F'; + +// The valid values found in Ehdr e_ident[EI_CLASS]. + +enum +{ + ELFCLASSNONE = 0, + ELFCLASS32 = 1, + ELFCLASS64 = 2 +}; + +// The valid values found in Ehdr e_ident[EI_DATA]. + +enum +{ + ELFDATANONE = 0, + ELFDATA2LSB = 1, + ELFDATA2MSB = 2 +}; + +// The valid values found in Ehdr e_ident[EI_VERSION] and e_version. + +enum +{ + EV_NONE = 0, + EV_CURRENT = 1 +}; + +// The valid values found in Ehdr e_ident[EI_OSABI]. + +enum ELFOSABI +{ + ELFOSABI_NONE = 0, + ELFOSABI_HPUX = 1, + ELFOSABI_NETBSD = 2, + // ELFOSABI_LINUX is not listed in the ELF standard. + ELFOSABI_LINUX = 3, + // ELFOSABI_HURD is not listed in the ELF standard. + ELFOSABI_HURD = 4, + ELFOSABI_SOLARIS = 6, + ELFOSABI_AIX = 7, + ELFOSABI_IRIX = 8, + ELFOSABI_FREEBSD = 9, + ELFOSABI_TRU64 = 10, + ELFOSABI_MODESTO = 11, + ELFOSABI_OPENBSD = 12, + ELFOSABI_OPENVMS = 13, + ELFOSABI_NSK = 14, + ELFOSABI_AROS = 15, + // A GNU extension for the ARM. + ELFOSABI_ARM = 97, + // A GNU extension for the MSP. + ELFOSABI_STANDALONE = 255 +}; + +// The valid values found in the Ehdr e_type field. + +enum ET +{ + ET_NONE = 0, + ET_REL = 1, + ET_EXEC = 2, + ET_DYN = 3, + ET_CORE = 4, + ET_LOOS = 0xfe00, + ET_HIOS = 0xfeff, + ET_LOPROC = 0xff00, + ET_HIPROC = 0xffff +}; + +// The valid values found in the Ehdr e_machine field. + +enum EM +{ + EM_NONE = 0, + EM_M32 = 1, + EM_SPARC = 2, + EM_386 = 3, + EM_68K = 4, + EM_88K = 5, + // 6 used to be EM_486 + EM_860 = 7, + EM_MIPS = 8, + EM_S370 = 9, + EM_MIPS_RS3_LE = 10, + // 11 was the old Sparc V9 ABI. + // 12 through 14 are reserved. + EM_PARISC = 15, + // 16 is reserved. + // Some old PowerPC object files use 17. + EM_VPP500 = 17, + EM_SPARC32PLUS = 18, + EM_960 = 19, + EM_PPC = 20, + EM_PPC64 = 21, + EM_S390 = 22, + // 23 through 35 are served. + EM_V800 = 36, + EM_FR20 = 37, + EM_RH32 = 38, + EM_RCE = 39, + EM_ARM = 40, + EM_ALPHA = 41, + EM_SH = 42, + EM_SPARCV9 = 43, + EM_TRICORE = 44, + EM_ARC = 45, + EM_H8_300 = 46, + EM_H8_300H = 47, + EM_H8S = 48, + EM_H8_500 = 49, + EM_IA_64 = 50, + EM_MIPS_X = 51, + EM_COLDFIRE = 52, + EM_68HC12 = 53, + EM_MMA = 54, + EM_PCP = 55, + EM_NCPU = 56, + EM_NDR1 = 57, + EM_STARCORE = 58, + EM_ME16 = 59, + EM_ST100 = 60, + EM_TINYJ = 61, + EM_X86_64 = 62, + EM_PDSP = 63, + EM_PDP10 = 64, + EM_PDP11 = 65, + EM_FX66 = 66, + EM_ST9PLUS = 67, + EM_ST7 = 68, + EM_68HC16 = 69, + EM_68HC11 = 70, + EM_68HC08 = 71, + EM_68HC05 = 72, + EM_SVX = 73, + EM_ST19 = 74, + EM_VAX = 75, + EM_CRIS = 76, + EM_JAVELIN = 77, + EM_FIREPATH = 78, + EM_ZSP = 79, + EM_MMIX = 80, + EM_HUANY = 81, + EM_PRISM = 82, + EM_AVR = 83, + EM_FR30 = 84, + EM_D10V = 85, + EM_D30V = 86, + EM_V850 = 87, + EM_M32R = 88, + EM_MN10300 = 89, + EM_MN10200 = 90, + EM_PJ = 91, + EM_OPENRISC = 92, + EM_ARC_A5 = 93, + EM_XTENSA = 94, + EM_VIDEOCORE = 95, + EM_TMM_GPP = 96, + EM_NS32K = 97, + EM_TPC = 98, + // Some old picoJava object files use 99 (EM_PJ is correct). + EM_SNP1K = 99, + EM_ST200 = 100, + EM_IP2K = 101, + EM_MAX = 102, + EM_CR = 103, + EM_F2MC16 = 104, + EM_MSP430 = 105, + EM_BLACKFIN = 106, + EM_SE_C33 = 107, + EM_SEP = 108, + EM_ARCA = 109, + EM_UNICORE = 110, + EM_ALTERA_NIOS2 = 113, + EM_CRX = 114, + // The Morph MT. + EM_MT = 0x2530, + // DLX. + EM_DLX = 0x5aa5, + // FRV. + EM_FRV = 0x5441, + // Infineon Technologies 16-bit microcontroller with C166-V2 core. + EM_X16X = 0x4688, + // Xstorym16 + EM_XSTORMY16 = 0xad45, + // Renesas M32C + EM_M32C = 0xfeb0, + // Vitesse IQ2000 + EM_IQ2000 = 0xfeba, + // NIOS + EM_NIOS32 = 0xfebb + // Old AVR objects used 0x1057 (EM_AVR is correct). + // Old MSP430 objects used 0x1059 (EM_MSP430 is correct). + // Old FR30 objects used 0x3330 (EM_FR30 is correct). + // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct). + // Old D10V objects used 0x7650 (EM_D10V is correct). + // Old D30V objects used 0x7676 (EM_D30V is correct). + // Old IP2X objects used 0x8217 (EM_IP2K is correct). + // Old PowerPC objects used 0x9025 (EM_PPC is correct). + // Old Alpha objects used 0x9026 (EM_ALPHA is correct). + // Old M32R objects used 0x9041 (EM_M32R is correct). + // Old V850 objects used 0x9080 (EM_V850 is correct). + // Old S/390 objects used 0xa390 (EM_S390 is correct). + // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct). + // Old MN10300 objects used 0xbeef (EM_MN10300 is correct). + // Old MN10200 objects used 0xdead (EM_MN10200 is correct). +}; + +// Special section indices. + +enum +{ + SHN_UNDEF = 0, + SHN_LORESERVE = 0xff00, + SHN_LOPROC = 0xff00, + SHN_HIPROC = 0xff1f, + SHN_LOOS = 0xff20, + SHN_HIOS = 0xff3f, + SHN_ABS = 0xfff1, + SHN_COMMON = 0xfff2, + SHN_XINDEX = 0xffff, + SHN_HIRESERVE = 0xffff, + + // Provide for initial and final section ordering in conjunction + // with the SHF_LINK_ORDER and SHF_ORDERED section flags. + SHN_BEFORE = 0xff00, + SHN_AFTER = 0xff01, + + // x86_64 specific large common symbol. + SHN_X86_64_LCOMMON = 0xff02 +}; + +// The valid values found in the Shdr sh_type field. + +enum SHT +{ + SHT_NULL = 0, + SHT_PROGBITS = 1, + SHT_SYMTAB = 2, + SHT_STRTAB = 3, + SHT_RELA = 4, + SHT_HASH = 5, + SHT_DYNAMIC = 6, + SHT_NOTE = 7, + SHT_NOBITS = 8, + SHT_REL = 9, + SHT_SHLIB = 10, + SHT_DYNSYM = 11, + SHT_INIT_ARRAY = 14, + SHT_FINI_ARRAY = 15, + SHT_PREINIT_ARRAY = 16, + SHT_GROUP = 17, + SHT_SYMTAB_SHNDX = 18, + SHT_LOOS = 0x60000000, + SHT_HIOS = 0x6fffffff, + SHT_LOPROC = 0x70000000, + SHT_HIPROC = 0x7fffffff, + SHT_LOUSER = 0x80000000, + SHT_HIUSER = 0xffffffff, + // The remaining values are not in the standard. + // Incremental build data. + SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700, + // Object attributes. + SHT_GNU_ATTRIBUTES = 0x6ffffff5, + // GNU style dynamic hash table. + SHT_GNU_HASH = 0x6ffffff6, + // List of prelink dependencies. + SHT_GNU_LIBLIST = 0x6ffffff7, + // Versions defined by file. + SHT_SUNW_verdef = 0x6ffffffd, + SHT_GNU_verdef = 0x6ffffffd, + // Versions needed by file. + SHT_SUNW_verneed = 0x6ffffffe, + SHT_GNU_verneed = 0x6ffffffe, + // Symbol versions, + SHT_SUNW_versym = 0x6fffffff, + SHT_GNU_versym = 0x6fffffff, + + SHT_SPARC_GOTDATA = 0x70000000, + + // ARM-specific section types. + // Exception Index table. + SHT_ARM_EXIDX = 0x70000001, + // BPABI DLL dynamic linking pre-emption map. + SHT_ARM_PREEMPTMAP = 0x70000002, + // Object file compatibility attributes. + SHT_ARM_ATTRIBUTES = 0x70000003, + // Support for debugging overlaid programs. + SHT_ARM_DEBUGOVERLAY = 0x70000004, + SHT_ARM_OVERLAYSECTION = 0x70000005, + + // x86_64 unwind information. + SHT_X86_64_UNWIND = 0x70000001, + + // Link editor is to sort the entries in this section based on the + // address specified in the associated symbol table entry. + SHT_ORDERED = 0x7fffffff, +}; + +// The valid bit flags found in the Shdr sh_flags field. + +enum SHF +{ + SHF_WRITE = 0x1, + SHF_ALLOC = 0x2, + SHF_EXECINSTR = 0x4, + SHF_MERGE = 0x10, + SHF_STRINGS = 0x20, + SHF_INFO_LINK = 0x40, + SHF_LINK_ORDER = 0x80, + SHF_OS_NONCONFORMING = 0x100, + SHF_GROUP = 0x200, + SHF_TLS = 0x400, + SHF_MASKOS = 0x0ff00000, + SHF_MASKPROC = 0xf0000000, + + // Indicates this section requires ordering in relation to + // other sections of the same type. Ordered sections are + // combined within the section pointed to by the sh_link entry. + // The sh_info values SHN_BEFORE and SHN_AFTER imply that the + // sorted section is to precede or follow, respectively, all + // other sections in the set being ordered. + SHF_ORDERED = 0x40000000, + // This section is excluded from input to the link-edit of an + // executable or shared object. This flag is ignored if SHF_ALLOC + // is also set, or if relocations exist against the section. + SHF_EXCLUDE = 0x80000000, + + // x86_64 specific large section. + SHF_X86_64_LARGE = 0x10000000 +}; + +// Bit flags which appear in the first 32-bit word of the section data +// of a SHT_GROUP section. + +enum +{ + GRP_COMDAT = 0x1, + GRP_MASKOS = 0x0ff00000, + GRP_MASKPROC = 0xf0000000 +}; + +// The valid values found in the Phdr p_type field. + +enum PT +{ + PT_NULL = 0, + PT_LOAD = 1, + PT_DYNAMIC = 2, + PT_INTERP = 3, + PT_NOTE = 4, + PT_SHLIB = 5, + PT_PHDR = 6, + PT_TLS = 7, + PT_LOOS = 0x60000000, + PT_HIOS = 0x6fffffff, + PT_LOPROC = 0x70000000, + PT_HIPROC = 0x7fffffff, + // The remaining values are not in the standard. + // Frame unwind information. + PT_GNU_EH_FRAME = 0x6474e550, + PT_SUNW_EH_FRAME = 0x6474e550, + // Stack flags. + PT_GNU_STACK = 0x6474e551, + // Read only after relocation. + PT_GNU_RELRO = 0x6474e552, + // Platform architecture compatibility information + PT_ARM_ARCHEXT = 0x70000000, + // Exception unwind tables + PT_ARM_EXIDX = 0x70000001 +}; + +// The valid bit flags found in the Phdr p_flags field. + +enum PF +{ + PF_X = 0x1, + PF_W = 0x2, + 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, + STT_LOOS = 10, + STT_GNU_IFUNC = 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 STB +elf_st_bind(unsigned char info) +{ + return static_cast(info >> 4); +} + +inline STT +elf_st_type(unsigned char info) +{ + return static_cast(info & 0xf); +} + +inline unsigned char +elf_st_info(STB bind, STT type) +{ + return ((static_cast(bind) << 4) + + (static_cast(type) & 0xf)); +} + +// Symbol visibility from Sym st_other field. + +enum STV +{ + STV_DEFAULT = 0, + STV_INTERNAL = 1, + STV_HIDDEN = 2, + STV_PROTECTED = 3 +}; + +inline STV +elf_st_visibility(unsigned char other) +{ + return static_cast(other & 0x3); +} + +inline unsigned char +elf_st_nonvis(unsigned char other) +{ + return static_cast(other >> 2); +} + +inline unsigned char +elf_st_other(STV vis, unsigned char nonvis) +{ + return ((nonvis << 2) + + (static_cast(vis) & 3)); +} + +// Reloc information from Rel/Rela r_info field. + +template +unsigned int +elf_r_sym(typename Elf_types::Elf_WXword); + +template<> +inline unsigned int +elf_r_sym<32>(Elf_Word v) +{ + return v >> 8; +} + +template<> +inline unsigned int +elf_r_sym<64>(Elf_Xword v) +{ + return v >> 32; +} + +template +unsigned int +elf_r_type(typename Elf_types::Elf_WXword); + +template<> +inline unsigned int +elf_r_type<32>(Elf_Word v) +{ + return v & 0xff; +} + +template<> +inline unsigned int +elf_r_type<64>(Elf_Xword v) +{ + return v & 0xffffffff; +} + +template +typename Elf_types::Elf_WXword +elf_r_info(unsigned int s, unsigned int t); + +template<> +inline Elf_Word +elf_r_info<32>(unsigned int s, unsigned int t) +{ + return (s << 8) + (t & 0xff); +} + +template<> +inline Elf_Xword +elf_r_info<64>(unsigned int s, unsigned int t) +{ + return (static_cast(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 = 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, + + 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; + +// 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 +struct Elf_sizes +{ + // Size of ELF file header. + static const int ehdr_size = sizeof(internal::Ehdr_data); + // Size of ELF segment header. + static const int phdr_size = sizeof(internal::Phdr_data); + // Size of ELF section header. + static const int shdr_size = sizeof(internal::Shdr_data); + // Size of ELF symbol table entry. + static const int sym_size = sizeof(internal::Sym_data); + // Sizes of ELF reloc entries. + static const int rel_size = sizeof(internal::Rel_data); + static const int rela_size = sizeof(internal::Rela_data); + // Size of ELF dynamic entry. + static const int dyn_size = sizeof(internal::Dyn_data); + // 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. + +template +class Ehdr +{ + public: + Ehdr(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Ehdr(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + const unsigned char* + get_e_ident() const + { return this->p_->e_ident; } + + Elf_Half + get_e_type() const + { return Convert<16, big_endian>::convert_host(this->p_->e_type); } + + Elf_Half + get_e_machine() const + { return Convert<16, big_endian>::convert_host(this->p_->e_machine); } + + Elf_Word + get_e_version() const + { return Convert<32, big_endian>::convert_host(this->p_->e_version); } + + typename Elf_types::Elf_Addr + get_e_entry() const + { return Convert::convert_host(this->p_->e_entry); } + + typename Elf_types::Elf_Off + get_e_phoff() const + { return Convert::convert_host(this->p_->e_phoff); } + + typename Elf_types::Elf_Off + get_e_shoff() const + { return Convert::convert_host(this->p_->e_shoff); } + + Elf_Word + get_e_flags() const + { return Convert<32, big_endian>::convert_host(this->p_->e_flags); } + + Elf_Half + get_e_ehsize() const + { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); } + + Elf_Half + get_e_phentsize() const + { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); } + + Elf_Half + get_e_phnum() const + { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); } + + Elf_Half + get_e_shentsize() const + { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); } + + Elf_Half + get_e_shnum() const + { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); } + + Elf_Half + get_e_shstrndx() const + { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); } + + private: + const internal::Ehdr_data* p_; +}; + +// Write class for the ELF file header. + +template +class Ehdr_write +{ + public: + Ehdr_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_e_ident(const unsigned char v[EI_NIDENT]) const + { memcpy(this->p_->e_ident, v, EI_NIDENT); } + + void + put_e_type(Elf_Half v) + { this->p_->e_type = Convert<16, big_endian>::convert_host(v); } + + void + put_e_machine(Elf_Half v) + { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); } + + void + put_e_version(Elf_Word v) + { this->p_->e_version = Convert<32, big_endian>::convert_host(v); } + + void + put_e_entry(typename Elf_types::Elf_Addr v) + { this->p_->e_entry = Convert::convert_host(v); } + + void + put_e_phoff(typename Elf_types::Elf_Off v) + { this->p_->e_phoff = Convert::convert_host(v); } + + void + put_e_shoff(typename Elf_types::Elf_Off v) + { this->p_->e_shoff = Convert::convert_host(v); } + + void + put_e_flags(Elf_Word v) + { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); } + + void + put_e_ehsize(Elf_Half v) + { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); } + + void + put_e_phentsize(Elf_Half v) + { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); } + + void + put_e_phnum(Elf_Half v) + { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); } + + void + put_e_shentsize(Elf_Half v) + { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); } + + void + put_e_shnum(Elf_Half v) + { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); } + + void + put_e_shstrndx(Elf_Half v) + { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); } + + private: + internal::Ehdr_data* p_; +}; + +// Accessor class for an ELF section header. + +template +class Shdr +{ + public: + Shdr(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Shdr(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + Elf_Word + get_sh_name() const + { return Convert<32, big_endian>::convert_host(this->p_->sh_name); } + + Elf_Word + get_sh_type() const + { return Convert<32, big_endian>::convert_host(this->p_->sh_type); } + + typename Elf_types::Elf_WXword + get_sh_flags() const + { return Convert::convert_host(this->p_->sh_flags); } + + typename Elf_types::Elf_Addr + get_sh_addr() const + { return Convert::convert_host(this->p_->sh_addr); } + + typename Elf_types::Elf_Off + get_sh_offset() const + { return Convert::convert_host(this->p_->sh_offset); } + + typename Elf_types::Elf_WXword + get_sh_size() const + { return Convert::convert_host(this->p_->sh_size); } + + Elf_Word + get_sh_link() const + { return Convert<32, big_endian>::convert_host(this->p_->sh_link); } + + Elf_Word + get_sh_info() const + { return Convert<32, big_endian>::convert_host(this->p_->sh_info); } + + typename Elf_types::Elf_WXword + get_sh_addralign() const + { return + Convert::convert_host(this->p_->sh_addralign); } + + typename Elf_types::Elf_WXword + get_sh_entsize() const + { return Convert::convert_host(this->p_->sh_entsize); } + + private: + const internal::Shdr_data* p_; +}; + +// Write class for an ELF section header. + +template +class Shdr_write +{ + public: + Shdr_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_sh_name(Elf_Word v) + { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); } + + void + put_sh_type(Elf_Word v) + { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); } + + void + put_sh_flags(typename Elf_types::Elf_WXword v) + { this->p_->sh_flags = Convert::convert_host(v); } + + void + put_sh_addr(typename Elf_types::Elf_Addr v) + { this->p_->sh_addr = Convert::convert_host(v); } + + void + put_sh_offset(typename Elf_types::Elf_Off v) + { this->p_->sh_offset = Convert::convert_host(v); } + + void + put_sh_size(typename Elf_types::Elf_WXword v) + { this->p_->sh_size = Convert::convert_host(v); } + + void + put_sh_link(Elf_Word v) + { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); } + + void + put_sh_info(Elf_Word v) + { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); } + + void + put_sh_addralign(typename Elf_types::Elf_WXword v) + { this->p_->sh_addralign = Convert::convert_host(v); } + + void + put_sh_entsize(typename Elf_types::Elf_WXword v) + { this->p_->sh_entsize = Convert::convert_host(v); } + + private: + internal::Shdr_data* p_; +}; + +// Accessor class for an ELF segment header. + +template +class Phdr +{ + public: + Phdr(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Phdr(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + Elf_Word + get_p_type() const + { return Convert<32, big_endian>::convert_host(this->p_->p_type); } + + typename Elf_types::Elf_Off + get_p_offset() const + { return Convert::convert_host(this->p_->p_offset); } + + typename Elf_types::Elf_Addr + get_p_vaddr() const + { return Convert::convert_host(this->p_->p_vaddr); } + + typename Elf_types::Elf_Addr + get_p_paddr() const + { return Convert::convert_host(this->p_->p_paddr); } + + typename Elf_types::Elf_WXword + get_p_filesz() const + { return Convert::convert_host(this->p_->p_filesz); } + + typename Elf_types::Elf_WXword + get_p_memsz() const + { return Convert::convert_host(this->p_->p_memsz); } + + Elf_Word + get_p_flags() const + { return Convert<32, big_endian>::convert_host(this->p_->p_flags); } + + typename Elf_types::Elf_WXword + get_p_align() const + { return Convert::convert_host(this->p_->p_align); } + + private: + const internal::Phdr_data* p_; +}; + +// Write class for an ELF segment header. + +template +class Phdr_write +{ + public: + Phdr_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_p_type(Elf_Word v) + { this->p_->p_type = Convert<32, big_endian>::convert_host(v); } + + void + put_p_offset(typename Elf_types::Elf_Off v) + { this->p_->p_offset = Convert::convert_host(v); } + + void + put_p_vaddr(typename Elf_types::Elf_Addr v) + { this->p_->p_vaddr = Convert::convert_host(v); } + + void + put_p_paddr(typename Elf_types::Elf_Addr v) + { this->p_->p_paddr = Convert::convert_host(v); } + + void + put_p_filesz(typename Elf_types::Elf_WXword v) + { this->p_->p_filesz = Convert::convert_host(v); } + + void + put_p_memsz(typename Elf_types::Elf_WXword v) + { this->p_->p_memsz = Convert::convert_host(v); } + + void + put_p_flags(Elf_Word v) + { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); } + + void + put_p_align(typename Elf_types::Elf_WXword v) + { this->p_->p_align = Convert::convert_host(v); } + + private: + internal::Phdr_data* p_; +}; + +// Accessor class for an ELF symbol table entry. + +template +class Sym +{ + public: + Sym(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Sym(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + Elf_Word + get_st_name() const + { return Convert<32, big_endian>::convert_host(this->p_->st_name); } + + typename Elf_types::Elf_Addr + get_st_value() const + { return Convert::convert_host(this->p_->st_value); } + + typename Elf_types::Elf_WXword + get_st_size() const + { return Convert::convert_host(this->p_->st_size); } + + unsigned char + get_st_info() const + { return this->p_->st_info; } + + STB + get_st_bind() const + { return elf_st_bind(this->get_st_info()); } + + STT + get_st_type() const + { return elf_st_type(this->get_st_info()); } + + unsigned char + get_st_other() const + { return this->p_->st_other; } + + STV + get_st_visibility() const + { return elf_st_visibility(this->get_st_other()); } + + unsigned char + get_st_nonvis() const + { return elf_st_nonvis(this->get_st_other()); } + + Elf_Half + get_st_shndx() const + { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); } + + private: + const internal::Sym_data* p_; +}; + +// Writer class for an ELF symbol table entry. + +template +class Sym_write +{ + public: + Sym_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_st_name(Elf_Word v) + { this->p_->st_name = Convert<32, big_endian>::convert_host(v); } + + void + put_st_value(typename Elf_types::Elf_Addr v) + { this->p_->st_value = Convert::convert_host(v); } + + void + put_st_size(typename Elf_types::Elf_WXword v) + { this->p_->st_size = Convert::convert_host(v); } + + void + put_st_info(unsigned char v) + { this->p_->st_info = v; } + + void + put_st_info(STB bind, STT type) + { this->p_->st_info = elf_st_info(bind, type); } + + void + put_st_other(unsigned char v) + { this->p_->st_other = v; } + + void + put_st_other(STV vis, unsigned char nonvis) + { this->p_->st_other = elf_st_other(vis, nonvis); } + + void + put_st_shndx(Elf_Half v) + { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); } + + Sym + sym() + { return Sym(reinterpret_cast(this->p_)); } + + private: + internal::Sym_data* p_; +}; + +// Accessor classes for an ELF REL relocation entry. + +template +class Rel +{ + public: + Rel(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Rel(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + typename Elf_types::Elf_Addr + get_r_offset() const + { return Convert::convert_host(this->p_->r_offset); } + + typename Elf_types::Elf_WXword + get_r_info() const + { return Convert::convert_host(this->p_->r_info); } + + private: + const internal::Rel_data* p_; +}; + +// Writer class for an ELF Rel relocation. + +template +class Rel_write +{ + public: + Rel_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_r_offset(typename Elf_types::Elf_Addr v) + { this->p_->r_offset = Convert::convert_host(v); } + + void + put_r_info(typename Elf_types::Elf_WXword v) + { this->p_->r_info = Convert::convert_host(v); } + + private: + internal::Rel_data* p_; +}; + +// Accessor class for an ELF Rela relocation. + +template +class Rela +{ + public: + Rela(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Rela(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + typename Elf_types::Elf_Addr + get_r_offset() const + { return Convert::convert_host(this->p_->r_offset); } + + typename Elf_types::Elf_WXword + get_r_info() const + { return Convert::convert_host(this->p_->r_info); } + + typename Elf_types::Elf_Swxword + get_r_addend() const + { return Convert::convert_host(this->p_->r_addend); } + + private: + const internal::Rela_data* p_; +}; + +// Writer class for an ELF Rela relocation. + +template +class Rela_write +{ + public: + Rela_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_r_offset(typename Elf_types::Elf_Addr v) + { this->p_->r_offset = Convert::convert_host(v); } + + void + put_r_info(typename Elf_types::Elf_WXword v) + { this->p_->r_info = Convert::convert_host(v); } + + void + put_r_addend(typename Elf_types::Elf_Swxword v) + { this->p_->r_addend = Convert::convert_host(v); } + + private: + internal::Rela_data* p_; +}; + +// Accessor classes for entries in the ELF SHT_DYNAMIC section aka +// PT_DYNAMIC segment. + +template +class Dyn +{ + public: + Dyn(const unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + template + Dyn(File* file, typename File::Location loc) + : p_(reinterpret_cast*>( + file->view(loc.file_offset, loc.data_size).data())) + { } + + typename Elf_types::Elf_Swxword + get_d_tag() const + { return Convert::convert_host(this->p_->d_tag); } + + typename Elf_types::Elf_WXword + get_d_val() const + { return Convert::convert_host(this->p_->d_val); } + + typename Elf_types::Elf_Addr + get_d_ptr() const + { return Convert::convert_host(this->p_->d_val); } + + private: + const internal::Dyn_data* p_; +}; + +// Write class for an entry in the SHT_DYNAMIC section. + +template +class Dyn_write +{ + public: + Dyn_write(unsigned char* p) + : p_(reinterpret_cast*>(p)) + { } + + void + put_d_tag(typename Elf_types::Elf_Swxword v) + { this->p_->d_tag = Convert::convert_host(v); } + + void + put_d_val(typename Elf_types::Elf_WXword v) + { this->p_->d_val = Convert::convert_host(v); } + + void + put_d_ptr(typename Elf_types::Elf_Addr v) + { this->p_->d_val = Convert::convert_host(v); } + + private: + internal::Dyn_data* p_; +}; + +// Accessor classes for entries in the ELF SHT_GNU_verdef section. + +template +class Verdef +{ + public: + Verdef(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Verdef(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Verdef_write +{ + public: + Verdef_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Verdaux +{ + public: + Verdaux(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Verdaux(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Verdaux_write +{ + public: + Verdaux_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Verneed +{ + public: + Verneed(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Verneed(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Verneed_write +{ + public: + Verneed_write(unsigned char* p) + : p_(reinterpret_cast(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 +class Vernaux +{ + public: + Vernaux(const unsigned char* p) + : p_(reinterpret_cast(p)) + { } + + template + Vernaux(File* file, typename File::Location loc) + : p_(reinterpret_cast( + 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 +class Vernaux_write +{ + public: + Vernaux_write(unsigned char* p) + : p_(reinterpret_cast(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)