1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
3 // Copyright 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of elfcpp.
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public License
10 // as published by the Free Software Foundation; either version 2, or
11 // (at your option) any later version.
13 // In addition to the permissions in the GNU Library General Public
14 // License, the Free Software Foundation gives you unlimited
15 // permission to link the compiled version of this file into
16 // combinations with other programs, and to distribute those
17 // combinations without any restriction coming from the use of this
18 // file. (The Library Public License restrictions do apply in other
19 // respects; for example, they cover modification of the file, and
20 // distribution when not linked into a combined executable.)
22 // This program is distributed in the hope that it will be useful, but
23 // WITHOUT ANY WARRANTY; without even the implied warranty of
24 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 // Library General Public License for more details.
27 // You should have received a copy of the GNU Library General Public
28 // License along with this program; if not, write to the Free Software
29 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
32 // This is the external interface for elfcpp.
37 #include "elfcpp_swap.h"
46 // These types are always the same size.
48 typedef uint16_t Elf_Half;
49 typedef uint32_t Elf_Word;
50 typedef int32_t Elf_Sword;
51 typedef uint64_t Elf_Xword;
52 typedef int64_t Elf_Sxword;
54 // These types vary in size depending on the ELF file class. The
55 // template parameter should be 32 or 64.
63 typedef uint32_t Elf_Addr;
64 typedef uint32_t Elf_Off;
65 typedef uint32_t Elf_WXword;
66 typedef int32_t Elf_Swxword;
72 typedef uint64_t Elf_Addr;
73 typedef uint64_t Elf_Off;
74 typedef uint64_t Elf_WXword;
75 typedef int64_t Elf_Swxword;
78 // Offsets within the Ehdr e_ident field.
80 const int EI_MAG0 = 0;
81 const int EI_MAG1 = 1;
82 const int EI_MAG2 = 2;
83 const int EI_MAG3 = 3;
84 const int EI_CLASS = 4;
85 const int EI_DATA = 5;
86 const int EI_VERSION = 6;
87 const int EI_OSABI = 7;
88 const int EI_ABIVERSION = 8;
90 const int EI_NIDENT = 16;
92 // The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3].
94 const int ELFMAG0 = 0x7f;
95 const int ELFMAG1 = 'E';
96 const int ELFMAG2 = 'L';
97 const int ELFMAG3 = 'F';
99 // The valid values found in Ehdr e_ident[EI_CLASS].
108 // The valid values found in Ehdr e_ident[EI_DATA].
117 // The valid values found in Ehdr e_ident[EI_VERSION] and e_version.
125 // The valid values found in Ehdr e_ident[EI_OSABI].
133 // ELFOSABI_LINUX is an alias for ELFOSABI_GNU.
135 ELFOSABI_SOLARIS = 6,
138 ELFOSABI_FREEBSD = 9,
140 ELFOSABI_MODESTO = 11,
141 ELFOSABI_OPENBSD = 12,
142 ELFOSABI_OPENVMS = 13,
145 // A GNU extension for the ARM.
147 // A GNU extension for the MSP.
148 ELFOSABI_STANDALONE = 255
151 // The valid values found in the Ehdr e_type field.
166 // The valid values found in the Ehdr e_machine field.
176 // 6 used to be EM_486
181 // 11 was the old Sparc V9 ABI.
182 // 12 through 14 are reserved.
185 // Some old PowerPC object files use 17.
192 // 23 through 35 are served.
256 // Some old picoJava object files use 99 (EM_PJ is correct).
269 EM_ALTERA_NIOS2 = 113,
277 // Infineon Technologies 16-bit microcontroller with C166-V2 core.
280 EM_XSTORMY16 = 0xad45,
287 // Old AVR objects used 0x1057 (EM_AVR is correct).
288 // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
289 // Old FR30 objects used 0x3330 (EM_FR30 is correct).
290 // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
291 // Old D10V objects used 0x7650 (EM_D10V is correct).
292 // Old D30V objects used 0x7676 (EM_D30V is correct).
293 // Old IP2X objects used 0x8217 (EM_IP2K is correct).
294 // Old PowerPC objects used 0x9025 (EM_PPC is correct).
295 // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
296 // Old M32R objects used 0x9041 (EM_M32R is correct).
297 // Old V850 objects used 0x9080 (EM_V850 is correct).
298 // Old S/390 objects used 0xa390 (EM_S390 is correct).
299 // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
300 // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
301 // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
304 // A special value found in the Ehdr e_phnum field.
308 // Number of program segments stored in sh_info field of first
313 // Special section indices.
318 SHN_LORESERVE = 0xff00,
326 SHN_HIRESERVE = 0xffff,
328 // Provide for initial and final section ordering in conjunction
329 // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
333 // x86_64 specific large common symbol.
334 SHN_X86_64_LCOMMON = 0xff02
337 // The valid values found in the Shdr sh_type field.
355 SHT_PREINIT_ARRAY = 16,
357 SHT_SYMTAB_SHNDX = 18,
358 SHT_LOOS = 0x60000000,
359 SHT_HIOS = 0x6fffffff,
360 SHT_LOPROC = 0x70000000,
361 SHT_HIPROC = 0x7fffffff,
362 SHT_LOUSER = 0x80000000,
363 SHT_HIUSER = 0xffffffff,
364 // The remaining values are not in the standard.
365 // Incremental build data.
366 SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
367 SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
368 SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
369 SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
370 // Object attributes.
371 SHT_GNU_ATTRIBUTES = 0x6ffffff5,
372 // GNU style dynamic hash table.
373 SHT_GNU_HASH = 0x6ffffff6,
374 // List of prelink dependencies.
375 SHT_GNU_LIBLIST = 0x6ffffff7,
376 // Versions defined by file.
377 SHT_SUNW_verdef = 0x6ffffffd,
378 SHT_GNU_verdef = 0x6ffffffd,
379 // Versions needed by file.
380 SHT_SUNW_verneed = 0x6ffffffe,
381 SHT_GNU_verneed = 0x6ffffffe,
383 SHT_SUNW_versym = 0x6fffffff,
384 SHT_GNU_versym = 0x6fffffff,
386 SHT_SPARC_GOTDATA = 0x70000000,
388 // ARM-specific section types.
389 // Exception Index table.
390 SHT_ARM_EXIDX = 0x70000001,
391 // BPABI DLL dynamic linking pre-emption map.
392 SHT_ARM_PREEMPTMAP = 0x70000002,
393 // Object file compatibility attributes.
394 SHT_ARM_ATTRIBUTES = 0x70000003,
395 // Support for debugging overlaid programs.
396 SHT_ARM_DEBUGOVERLAY = 0x70000004,
397 SHT_ARM_OVERLAYSECTION = 0x70000005,
399 // x86_64 unwind information.
400 SHT_X86_64_UNWIND = 0x70000001,
402 // Link editor is to sort the entries in this section based on the
403 // address specified in the associated symbol table entry.
404 SHT_ORDERED = 0x7fffffff
407 // The valid bit flags found in the Shdr sh_flags field.
416 SHF_INFO_LINK = 0x40,
417 SHF_LINK_ORDER = 0x80,
418 SHF_OS_NONCONFORMING = 0x100,
421 SHF_MASKOS = 0x0ff00000,
422 SHF_MASKPROC = 0xf0000000,
424 // Indicates this section requires ordering in relation to
425 // other sections of the same type. Ordered sections are
426 // combined within the section pointed to by the sh_link entry.
427 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
428 // sorted section is to precede or follow, respectively, all
429 // other sections in the set being ordered.
430 SHF_ORDERED = 0x40000000,
431 // This section is excluded from input to the link-edit of an
432 // executable or shared object. This flag is ignored if SHF_ALLOC
433 // is also set, or if relocations exist against the section.
434 SHF_EXCLUDE = 0x80000000,
436 // x86_64 specific large section.
437 SHF_X86_64_LARGE = 0x10000000
440 // Bit flags which appear in the first 32-bit word of the section data
441 // of a SHT_GROUP section.
446 GRP_MASKOS = 0x0ff00000,
447 GRP_MASKPROC = 0xf0000000
450 // The valid values found in the Phdr p_type field.
462 PT_LOOS = 0x60000000,
463 PT_HIOS = 0x6fffffff,
464 PT_LOPROC = 0x70000000,
465 PT_HIPROC = 0x7fffffff,
466 // The remaining values are not in the standard.
467 // Frame unwind information.
468 PT_GNU_EH_FRAME = 0x6474e550,
469 PT_SUNW_EH_FRAME = 0x6474e550,
471 PT_GNU_STACK = 0x6474e551,
472 // Read only after relocation.
473 PT_GNU_RELRO = 0x6474e552,
474 // Platform architecture compatibility information
475 PT_ARM_ARCHEXT = 0x70000000,
476 // Exception unwind tables
477 PT_ARM_EXIDX = 0x70000001
480 // The valid bit flags found in the Phdr p_flags field.
487 PF_MASKOS = 0x0ff00000,
488 PF_MASKPROC = 0xf0000000
491 // Symbol binding from Sym st_info field.
505 // Symbol types from Sym st_info field.
522 // The section type that must be used for register symbols on
523 // Sparc. These symbols initialize a global register.
524 STT_SPARC_REGISTER = 13,
526 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
527 // used by the GNU tool-chain.
532 elf_st_bind(unsigned char info)
534 return static_cast<STB>(info >> 4);
538 elf_st_type(unsigned char info)
540 return static_cast<STT>(info & 0xf);
544 elf_st_info(STB bind, STT type)
546 return ((static_cast<unsigned char>(bind) << 4)
547 + (static_cast<unsigned char>(type) & 0xf));
550 // Symbol visibility from Sym st_other field.
561 elf_st_visibility(unsigned char other)
563 return static_cast<STV>(other & 0x3);
567 elf_st_nonvis(unsigned char other)
569 return static_cast<STV>(other >> 2);
573 elf_st_other(STV vis, unsigned char nonvis)
575 return ((nonvis << 2)
576 + (static_cast<unsigned char>(vis) & 3));
579 // Reloc information from Rel/Rela r_info field.
583 elf_r_sym(typename Elf_types<size>::Elf_WXword);
587 elf_r_sym<32>(Elf_Word v)
594 elf_r_sym<64>(Elf_Xword v)
601 elf_r_type(typename Elf_types<size>::Elf_WXword);
605 elf_r_type<32>(Elf_Word v)
612 elf_r_type<64>(Elf_Xword v)
614 return v & 0xffffffff;
618 typename Elf_types<size>::Elf_WXword
619 elf_r_info(unsigned int s, unsigned int t);
623 elf_r_info<32>(unsigned int s, unsigned int t)
625 return (s << 8) + (t & 0xff);
630 elf_r_info<64>(unsigned int s, unsigned int t)
632 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
635 // Dynamic tags found in the PT_DYNAMIC segment.
666 DT_INIT_ARRAYSZ = 27,
667 DT_FINI_ARRAYSZ = 28,
671 // This is used to mark a range of dynamic tags. It is not really
675 DT_PREINIT_ARRAY = 32,
676 DT_PREINIT_ARRAYSZ = 33,
677 DT_LOOS = 0x6000000d,
678 DT_HIOS = 0x6ffff000,
679 DT_LOPROC = 0x70000000,
680 DT_HIPROC = 0x7fffffff,
682 // The remaining values are extensions used by GNU or Solaris.
683 DT_VALRNGLO = 0x6ffffd00,
684 DT_GNU_PRELINKED = 0x6ffffdf5,
685 DT_GNU_CONFLICTSZ = 0x6ffffdf6,
686 DT_GNU_LIBLISTSZ = 0x6ffffdf7,
687 DT_CHECKSUM = 0x6ffffdf8,
688 DT_PLTPADSZ = 0x6ffffdf9,
689 DT_MOVEENT = 0x6ffffdfa,
690 DT_MOVESZ = 0x6ffffdfb,
691 DT_FEATURE = 0x6ffffdfc,
692 DT_POSFLAG_1 = 0x6ffffdfd,
693 DT_SYMINSZ = 0x6ffffdfe,
694 DT_SYMINENT = 0x6ffffdff,
695 DT_VALRNGHI = 0x6ffffdff,
697 DT_ADDRRNGLO = 0x6ffffe00,
698 DT_GNU_HASH = 0x6ffffef5,
699 DT_TLSDESC_PLT = 0x6ffffef6,
700 DT_TLSDESC_GOT = 0x6ffffef7,
701 DT_GNU_CONFLICT = 0x6ffffef8,
702 DT_GNU_LIBLIST = 0x6ffffef9,
703 DT_CONFIG = 0x6ffffefa,
704 DT_DEPAUDIT = 0x6ffffefb,
705 DT_AUDIT = 0x6ffffefc,
706 DT_PLTPAD = 0x6ffffefd,
707 DT_MOVETAB = 0x6ffffefe,
708 DT_SYMINFO = 0x6ffffeff,
709 DT_ADDRRNGHI = 0x6ffffeff,
711 DT_RELACOUNT = 0x6ffffff9,
712 DT_RELCOUNT = 0x6ffffffa,
713 DT_FLAGS_1 = 0x6ffffffb,
714 DT_VERDEF = 0x6ffffffc,
715 DT_VERDEFNUM = 0x6ffffffd,
716 DT_VERNEED = 0x6ffffffe,
717 DT_VERNEEDNUM = 0x6fffffff,
719 DT_VERSYM = 0x6ffffff0,
721 // Specify the value of _GLOBAL_OFFSET_TABLE_.
722 DT_PPC_GOT = 0x70000000,
724 // Specify the start of the .glink section.
725 DT_PPC64_GLINK = 0x70000000,
727 // Specify the start and size of the .opd section.
728 DT_PPC64_OPD = 0x70000001,
729 DT_PPC64_OPDSZ = 0x70000002,
731 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
732 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
733 // symbol in the symbol table.
734 DT_SPARC_REGISTER = 0x70000001,
736 DT_AUXILIARY = 0x7ffffffd,
737 DT_USED = 0x7ffffffe,
738 DT_FILTER = 0x7fffffff
741 // Flags found in the DT_FLAGS dynamic element.
752 // Flags found in the DT_FLAGS_1 dynamic element.
760 DF_1_LOADFLTR = 0x10,
761 DF_1_INITFIRST = 0x20,
766 DF_1_INTERPOSE = 0x400,
767 DF_1_NODEFLIB = 0x800,
768 DF_1_NODUMP = 0x1000,
769 DF_1_CONLFAT = 0x2000
772 // Version numbers which appear in the vd_version field of a Verdef
775 const int VER_DEF_NONE = 0;
776 const int VER_DEF_CURRENT = 1;
778 // Version numbers which appear in the vn_version field of a Verneed
781 const int VER_NEED_NONE = 0;
782 const int VER_NEED_CURRENT = 1;
784 // Bit flags which appear in vd_flags of Verdef and vna_flags of
787 const int VER_FLG_BASE = 0x1;
788 const int VER_FLG_WEAK = 0x2;
789 const int VER_FLG_INFO = 0x4;
791 // Special constants found in the SHT_GNU_versym entries.
793 const int VER_NDX_LOCAL = 0;
794 const int VER_NDX_GLOBAL = 1;
796 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
797 // the symbol is hidden and can only be seen when referenced using an
798 // explicit version number. This is a GNU extension.
800 const int VERSYM_HIDDEN = 0x8000;
802 // This is the mask for the rest of the data in a word read from a
803 // SHT_GNU_versym section.
805 const int VERSYM_VERSION = 0x7fff;
807 // Note descriptor type codes for notes in a non-core file with an
814 // An architecture string.
818 // Note descriptor type codes for notes in a non-core file with the
823 // The minimum ABI level. This is used by the dynamic linker to
824 // describe the minimal kernel version on which a shared library may
825 // be used. Th value should be four words. Word 0 is an OS
826 // descriptor (see below). Word 1 is the major version of the ABI.
827 // Word 2 is the minor version. Word 3 is the subminor version.
829 // Hardware capabilities information. Word 0 is the number of
830 // entries. Word 1 is a bitmask of enabled entries. The rest of
831 // the descriptor is a series of entries, where each entry is a
832 // single byte followed by a nul terminated string. The byte gives
833 // the bit number to test if enabled in the bitmask.
835 // The build ID as set by the linker's --build-id option. The
836 // format of the descriptor depends on the build ID style.
838 // The version of gold used to link. Th descriptor is just a
840 NT_GNU_GOLD_VERSION = 4
843 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
847 ELF_NOTE_OS_LINUX = 0,
849 ELF_NOTE_OS_SOLARIS2 = 2,
850 ELF_NOTE_OS_FREEBSD = 3,
851 ELF_NOTE_OS_NETBSD = 4,
852 ELF_NOTE_OS_SYLLABLE = 5
855 } // End namespace elfcpp.
857 // Include internal details after defining the types.
858 #include "elfcpp_internal.h"
863 // The offset of the ELF file header in the ELF file.
865 const int file_header_offset = 0;
867 // ELF structure sizes.
872 // Size of ELF file header.
873 static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
874 // Size of ELF segment header.
875 static const int phdr_size = sizeof(internal::Phdr_data<size>);
876 // Size of ELF section header.
877 static const int shdr_size = sizeof(internal::Shdr_data<size>);
878 // Size of ELF symbol table entry.
879 static const int sym_size = sizeof(internal::Sym_data<size>);
880 // Sizes of ELF reloc entries.
881 static const int rel_size = sizeof(internal::Rel_data<size>);
882 static const int rela_size = sizeof(internal::Rela_data<size>);
883 // Size of ELF dynamic entry.
884 static const int dyn_size = sizeof(internal::Dyn_data<size>);
885 // Size of ELF version structures.
886 static const int verdef_size = sizeof(internal::Verdef_data);
887 static const int verdaux_size = sizeof(internal::Verdaux_data);
888 static const int verneed_size = sizeof(internal::Verneed_data);
889 static const int vernaux_size = sizeof(internal::Vernaux_data);
892 // Accessor class for the ELF file header.
894 template<int size, bool big_endian>
898 Ehdr(const unsigned char* p)
899 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
902 template<typename File>
903 Ehdr(File* file, typename File::Location loc)
904 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
905 file->view(loc.file_offset, loc.data_size).data()))
910 { return this->p_->e_ident; }
914 { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
917 get_e_machine() const
918 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
921 get_e_version() const
922 { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
924 typename Elf_types<size>::Elf_Addr
926 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
928 typename Elf_types<size>::Elf_Off
930 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
932 typename Elf_types<size>::Elf_Off
934 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
938 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
942 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
945 get_e_phentsize() const
946 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
950 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
953 get_e_shentsize() const
954 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
958 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
961 get_e_shstrndx() const
962 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
965 const internal::Ehdr_data<size>* p_;
968 // Write class for the ELF file header.
970 template<int size, bool big_endian>
974 Ehdr_write(unsigned char* p)
975 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
979 put_e_ident(const unsigned char v[EI_NIDENT]) const
980 { memcpy(this->p_->e_ident, v, EI_NIDENT); }
983 put_e_type(Elf_Half v)
984 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
987 put_e_machine(Elf_Half v)
988 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
991 put_e_version(Elf_Word v)
992 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
995 put_e_entry(typename Elf_types<size>::Elf_Addr v)
996 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
999 put_e_phoff(typename Elf_types<size>::Elf_Off v)
1000 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
1003 put_e_shoff(typename Elf_types<size>::Elf_Off v)
1004 { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
1007 put_e_flags(Elf_Word v)
1008 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
1011 put_e_ehsize(Elf_Half v)
1012 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
1015 put_e_phentsize(Elf_Half v)
1016 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1019 put_e_phnum(Elf_Half v)
1020 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1023 put_e_shentsize(Elf_Half v)
1024 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1027 put_e_shnum(Elf_Half v)
1028 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1031 put_e_shstrndx(Elf_Half v)
1032 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1035 internal::Ehdr_data<size>* p_;
1038 // Accessor class for an ELF section header.
1040 template<int size, bool big_endian>
1044 Shdr(const unsigned char* p)
1045 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1048 template<typename File>
1049 Shdr(File* file, typename File::Location loc)
1050 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1051 file->view(loc.file_offset, loc.data_size).data()))
1056 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1060 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1062 typename Elf_types<size>::Elf_WXword
1063 get_sh_flags() const
1064 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1066 typename Elf_types<size>::Elf_Addr
1068 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1070 typename Elf_types<size>::Elf_Off
1071 get_sh_offset() const
1072 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1074 typename Elf_types<size>::Elf_WXword
1076 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1080 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1084 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1086 typename Elf_types<size>::Elf_WXword
1087 get_sh_addralign() const
1089 Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1091 typename Elf_types<size>::Elf_WXword
1092 get_sh_entsize() const
1093 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1096 const internal::Shdr_data<size>* p_;
1099 // Write class for an ELF section header.
1101 template<int size, bool big_endian>
1105 Shdr_write(unsigned char* p)
1106 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1110 put_sh_name(Elf_Word v)
1111 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1114 put_sh_type(Elf_Word v)
1115 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1118 put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1119 { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1122 put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1123 { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1126 put_sh_offset(typename Elf_types<size>::Elf_Off v)
1127 { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1130 put_sh_size(typename Elf_types<size>::Elf_WXword v)
1131 { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1134 put_sh_link(Elf_Word v)
1135 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1138 put_sh_info(Elf_Word v)
1139 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1142 put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1143 { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1146 put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1147 { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1150 internal::Shdr_data<size>* p_;
1153 // Accessor class for an ELF segment header.
1155 template<int size, bool big_endian>
1159 Phdr(const unsigned char* p)
1160 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1163 template<typename File>
1164 Phdr(File* file, typename File::Location loc)
1165 : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1166 file->view(loc.file_offset, loc.data_size).data()))
1171 { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1173 typename Elf_types<size>::Elf_Off
1174 get_p_offset() const
1175 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1177 typename Elf_types<size>::Elf_Addr
1179 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1181 typename Elf_types<size>::Elf_Addr
1183 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1185 typename Elf_types<size>::Elf_WXword
1186 get_p_filesz() const
1187 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1189 typename Elf_types<size>::Elf_WXword
1191 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1195 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1197 typename Elf_types<size>::Elf_WXword
1199 { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1202 const internal::Phdr_data<size>* p_;
1205 // Write class for an ELF segment header.
1207 template<int size, bool big_endian>
1211 Phdr_write(unsigned char* p)
1212 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1216 put_p_type(Elf_Word v)
1217 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1220 put_p_offset(typename Elf_types<size>::Elf_Off v)
1221 { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1224 put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1225 { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1228 put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1229 { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1232 put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1233 { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1236 put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1237 { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1240 put_p_flags(Elf_Word v)
1241 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1244 put_p_align(typename Elf_types<size>::Elf_WXword v)
1245 { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1248 internal::Phdr_data<size>* p_;
1251 // Accessor class for an ELF symbol table entry.
1253 template<int size, bool big_endian>
1257 Sym(const unsigned char* p)
1258 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1261 template<typename File>
1262 Sym(File* file, typename File::Location loc)
1263 : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1264 file->view(loc.file_offset, loc.data_size).data()))
1269 { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1271 typename Elf_types<size>::Elf_Addr
1272 get_st_value() const
1273 { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1275 typename Elf_types<size>::Elf_WXword
1277 { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1281 { return this->p_->st_info; }
1285 { return elf_st_bind(this->get_st_info()); }
1289 { return elf_st_type(this->get_st_info()); }
1292 get_st_other() const
1293 { return this->p_->st_other; }
1296 get_st_visibility() const
1297 { return elf_st_visibility(this->get_st_other()); }
1300 get_st_nonvis() const
1301 { return elf_st_nonvis(this->get_st_other()); }
1304 get_st_shndx() const
1305 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1308 const internal::Sym_data<size>* p_;
1311 // Writer class for an ELF symbol table entry.
1313 template<int size, bool big_endian>
1317 Sym_write(unsigned char* p)
1318 : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1322 put_st_name(Elf_Word v)
1323 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1326 put_st_value(typename Elf_types<size>::Elf_Addr v)
1327 { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1330 put_st_size(typename Elf_types<size>::Elf_WXword v)
1331 { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1334 put_st_info(unsigned char v)
1335 { this->p_->st_info = v; }
1338 put_st_info(STB bind, STT type)
1339 { this->p_->st_info = elf_st_info(bind, type); }
1342 put_st_other(unsigned char v)
1343 { this->p_->st_other = v; }
1346 put_st_other(STV vis, unsigned char nonvis)
1347 { this->p_->st_other = elf_st_other(vis, nonvis); }
1350 put_st_shndx(Elf_Half v)
1351 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1353 Sym<size, big_endian>
1355 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1358 internal::Sym_data<size>* p_;
1361 // Accessor classes for an ELF REL relocation entry.
1363 template<int size, bool big_endian>
1367 Rel(const unsigned char* p)
1368 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1371 template<typename File>
1372 Rel(File* file, typename File::Location loc)
1373 : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1374 file->view(loc.file_offset, loc.data_size).data()))
1377 typename Elf_types<size>::Elf_Addr
1378 get_r_offset() const
1379 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1381 typename Elf_types<size>::Elf_WXword
1383 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1386 const internal::Rel_data<size>* p_;
1389 // Writer class for an ELF Rel relocation.
1391 template<int size, bool big_endian>
1395 Rel_write(unsigned char* p)
1396 : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1400 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1401 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1404 put_r_info(typename Elf_types<size>::Elf_WXword v)
1405 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1408 internal::Rel_data<size>* p_;
1411 // Accessor class for an ELF Rela relocation.
1413 template<int size, bool big_endian>
1417 Rela(const unsigned char* p)
1418 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1421 template<typename File>
1422 Rela(File* file, typename File::Location loc)
1423 : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1424 file->view(loc.file_offset, loc.data_size).data()))
1427 typename Elf_types<size>::Elf_Addr
1428 get_r_offset() const
1429 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1431 typename Elf_types<size>::Elf_WXword
1433 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1435 typename Elf_types<size>::Elf_Swxword
1436 get_r_addend() const
1437 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1440 const internal::Rela_data<size>* p_;
1443 // Writer class for an ELF Rela relocation.
1445 template<int size, bool big_endian>
1449 Rela_write(unsigned char* p)
1450 : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1454 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1455 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1458 put_r_info(typename Elf_types<size>::Elf_WXword v)
1459 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1462 put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1463 { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1466 internal::Rela_data<size>* p_;
1469 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1470 // PT_DYNAMIC segment.
1472 template<int size, bool big_endian>
1476 Dyn(const unsigned char* p)
1477 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1480 template<typename File>
1481 Dyn(File* file, typename File::Location loc)
1482 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1483 file->view(loc.file_offset, loc.data_size).data()))
1486 typename Elf_types<size>::Elf_Swxword
1488 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1490 typename Elf_types<size>::Elf_WXword
1492 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1494 typename Elf_types<size>::Elf_Addr
1496 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1499 const internal::Dyn_data<size>* p_;
1502 // Write class for an entry in the SHT_DYNAMIC section.
1504 template<int size, bool big_endian>
1508 Dyn_write(unsigned char* p)
1509 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1513 put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1514 { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1517 put_d_val(typename Elf_types<size>::Elf_WXword v)
1518 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1521 put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1522 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1525 internal::Dyn_data<size>* p_;
1528 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1530 template<int size, bool big_endian>
1534 Verdef(const unsigned char* p)
1535 : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1538 template<typename File>
1539 Verdef(File* file, typename File::Location loc)
1540 : p_(reinterpret_cast<const internal::Verdef_data*>(
1541 file->view(loc.file_offset, loc.data_size).data()))
1545 get_vd_version() const
1546 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1549 get_vd_flags() const
1550 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1554 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1558 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1562 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1566 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1570 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1573 const internal::Verdef_data* p_;
1576 template<int size, bool big_endian>
1580 Verdef_write(unsigned char* p)
1581 : p_(reinterpret_cast<internal::Verdef_data*>(p))
1585 set_vd_version(Elf_Half v)
1586 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1589 set_vd_flags(Elf_Half v)
1590 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1593 set_vd_ndx(Elf_Half v)
1594 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1597 set_vd_cnt(Elf_Half v)
1598 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1601 set_vd_hash(Elf_Word v)
1602 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1605 set_vd_aux(Elf_Word v)
1606 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1609 set_vd_next(Elf_Word v)
1610 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1613 internal::Verdef_data* p_;
1616 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1619 template<int size, bool big_endian>
1623 Verdaux(const unsigned char* p)
1624 : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1627 template<typename File>
1628 Verdaux(File* file, typename File::Location loc)
1629 : p_(reinterpret_cast<const internal::Verdaux_data*>(
1630 file->view(loc.file_offset, loc.data_size).data()))
1634 get_vda_name() const
1635 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1638 get_vda_next() const
1639 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1642 const internal::Verdaux_data* p_;
1645 template<int size, bool big_endian>
1649 Verdaux_write(unsigned char* p)
1650 : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1654 set_vda_name(Elf_Word v)
1655 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1658 set_vda_next(Elf_Word v)
1659 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1662 internal::Verdaux_data* p_;
1665 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1667 template<int size, bool big_endian>
1671 Verneed(const unsigned char* p)
1672 : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1675 template<typename File>
1676 Verneed(File* file, typename File::Location loc)
1677 : p_(reinterpret_cast<const internal::Verneed_data*>(
1678 file->view(loc.file_offset, loc.data_size).data()))
1682 get_vn_version() const
1683 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1687 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1691 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1695 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1699 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1702 const internal::Verneed_data* p_;
1705 template<int size, bool big_endian>
1709 Verneed_write(unsigned char* p)
1710 : p_(reinterpret_cast<internal::Verneed_data*>(p))
1714 set_vn_version(Elf_Half v)
1715 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1718 set_vn_cnt(Elf_Half v)
1719 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1722 set_vn_file(Elf_Word v)
1723 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1726 set_vn_aux(Elf_Word v)
1727 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1730 set_vn_next(Elf_Word v)
1731 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1734 internal::Verneed_data* p_;
1737 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1740 template<int size, bool big_endian>
1744 Vernaux(const unsigned char* p)
1745 : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1748 template<typename File>
1749 Vernaux(File* file, typename File::Location loc)
1750 : p_(reinterpret_cast<const internal::Vernaux_data*>(
1751 file->view(loc.file_offset, loc.data_size).data()))
1755 get_vna_hash() const
1756 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1759 get_vna_flags() const
1760 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1763 get_vna_other() const
1764 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1767 get_vna_name() const
1768 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1771 get_vna_next() const
1772 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1775 const internal::Vernaux_data* p_;
1778 template<int size, bool big_endian>
1782 Vernaux_write(unsigned char* p)
1783 : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1787 set_vna_hash(Elf_Word v)
1788 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1791 set_vna_flags(Elf_Half v)
1792 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1795 set_vna_other(Elf_Half v)
1796 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1799 set_vna_name(Elf_Word v)
1800 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1803 set_vna_next(Elf_Word v)
1804 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
1807 internal::Vernaux_data* p_;
1810 } // End namespace elfcpp.
1812 #endif // !defined(ELFPCP_H)