1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
3 // Copyright 2006, 2007, 2008, 2009 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].
132 // ELFOSABI_LINUX is not listed in the ELF standard.
134 // ELFOSABI_HURD is not listed in the ELF standard.
136 ELFOSABI_SOLARIS = 6,
139 ELFOSABI_FREEBSD = 9,
141 ELFOSABI_MODESTO = 11,
142 ELFOSABI_OPENBSD = 12,
143 ELFOSABI_OPENVMS = 13,
146 // A GNU extension for the ARM.
148 // A GNU extension for the MSP.
149 ELFOSABI_STANDALONE = 255
152 // The valid values found in the Ehdr e_type field.
167 // The valid values found in the Ehdr e_machine field.
177 // 6 used to be EM_486
182 // 11 was the old Sparc V9 ABI.
183 // 12 through 14 are reserved.
186 // Some old PowerPC object files use 17.
193 // 23 through 35 are served.
257 // Some old picoJava object files use 99 (EM_PJ is correct).
270 EM_ALTERA_NIOS2 = 113,
278 // Infineon Technologies 16-bit microcontroller with C166-V2 core.
281 EM_XSTORMY16 = 0xad45,
288 // Old AVR objects used 0x1057 (EM_AVR is correct).
289 // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
290 // Old FR30 objects used 0x3330 (EM_FR30 is correct).
291 // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OPENRISC is correct).
292 // Old D10V objects used 0x7650 (EM_D10V is correct).
293 // Old D30V objects used 0x7676 (EM_D30V is correct).
294 // Old IP2X objects used 0x8217 (EM_IP2K is correct).
295 // Old PowerPC objects used 0x9025 (EM_PPC is correct).
296 // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
297 // Old M32R objects used 0x9041 (EM_M32R is correct).
298 // Old V850 objects used 0x9080 (EM_V850 is correct).
299 // Old S/390 objects used 0xa390 (EM_S390 is correct).
300 // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
301 // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
302 // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
305 // Special section indices.
310 SHN_LORESERVE = 0xff00,
318 SHN_HIRESERVE = 0xffff,
320 // Provide for initial and final section ordering in conjunction
321 // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
325 // x86_64 specific large common symbol.
326 SHN_X86_64_LCOMMON = 0xff02
329 // The valid values found in the Shdr sh_type field.
347 SHT_PREINIT_ARRAY = 16,
349 SHT_SYMTAB_SHNDX = 18,
350 SHT_LOOS = 0x60000000,
351 SHT_HIOS = 0x6fffffff,
352 SHT_LOPROC = 0x70000000,
353 SHT_HIPROC = 0x7fffffff,
354 SHT_LOUSER = 0x80000000,
355 SHT_HIUSER = 0xffffffff,
356 // The remaining values are not in the standard.
357 // Incremental build data.
358 SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
359 // Object attributes.
360 SHT_GNU_ATTRIBUTES = 0x6ffffff5,
361 // GNU style dynamic hash table.
362 SHT_GNU_HASH = 0x6ffffff6,
363 // List of prelink dependencies.
364 SHT_GNU_LIBLIST = 0x6ffffff7,
365 // Versions defined by file.
366 SHT_SUNW_verdef = 0x6ffffffd,
367 SHT_GNU_verdef = 0x6ffffffd,
368 // Versions needed by file.
369 SHT_SUNW_verneed = 0x6ffffffe,
370 SHT_GNU_verneed = 0x6ffffffe,
372 SHT_SUNW_versym = 0x6fffffff,
373 SHT_GNU_versym = 0x6fffffff,
375 SHT_SPARC_GOTDATA = 0x70000000,
377 // ARM-specific section types.
378 // Exception Index table.
379 SHT_ARM_EXIDX = 0x70000001,
380 // BPABI DLL dynamic linking pre-emption map.
381 SHT_ARM_PREEMPTMAP = 0x70000002,
382 // Object file compatibility attributes.
383 SHT_ARM_ATTRIBUTES = 0x70000003,
384 // Support for debugging overlaid programs.
385 SHT_ARM_DEBUGOVERLAY = 0x70000004,
386 SHT_ARM_OVERLAYSECTION = 0x70000005,
388 // x86_64 unwind information.
389 SHT_X86_64_UNWIND = 0x70000001,
391 // Link editor is to sort the entries in this section based on the
392 // address specified in the associated symbol table entry.
393 SHT_ORDERED = 0x7fffffff
396 // The valid bit flags found in the Shdr sh_flags field.
405 SHF_INFO_LINK = 0x40,
406 SHF_LINK_ORDER = 0x80,
407 SHF_OS_NONCONFORMING = 0x100,
410 SHF_MASKOS = 0x0ff00000,
411 SHF_MASKPROC = 0xf0000000,
413 // Indicates this section requires ordering in relation to
414 // other sections of the same type. Ordered sections are
415 // combined within the section pointed to by the sh_link entry.
416 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
417 // sorted section is to precede or follow, respectively, all
418 // other sections in the set being ordered.
419 SHF_ORDERED = 0x40000000,
420 // This section is excluded from input to the link-edit of an
421 // executable or shared object. This flag is ignored if SHF_ALLOC
422 // is also set, or if relocations exist against the section.
423 SHF_EXCLUDE = 0x80000000,
425 // x86_64 specific large section.
426 SHF_X86_64_LARGE = 0x10000000
429 // Bit flags which appear in the first 32-bit word of the section data
430 // of a SHT_GROUP section.
435 GRP_MASKOS = 0x0ff00000,
436 GRP_MASKPROC = 0xf0000000
439 // The valid values found in the Phdr p_type field.
451 PT_LOOS = 0x60000000,
452 PT_HIOS = 0x6fffffff,
453 PT_LOPROC = 0x70000000,
454 PT_HIPROC = 0x7fffffff,
455 // The remaining values are not in the standard.
456 // Frame unwind information.
457 PT_GNU_EH_FRAME = 0x6474e550,
458 PT_SUNW_EH_FRAME = 0x6474e550,
460 PT_GNU_STACK = 0x6474e551,
461 // Read only after relocation.
462 PT_GNU_RELRO = 0x6474e552,
463 // Platform architecture compatibility information
464 PT_ARM_ARCHEXT = 0x70000000,
465 // Exception unwind tables
466 PT_ARM_EXIDX = 0x70000001
469 // The valid bit flags found in the Phdr p_flags field.
476 PF_MASKOS = 0x0ff00000,
477 PF_MASKPROC = 0xf0000000
480 // Symbol binding from Sym st_info field.
494 // Symbol types from Sym st_info field.
511 // The section type that must be used for register symbols on
512 // Sparc. These symbols initialize a global register.
513 STT_SPARC_REGISTER = 13,
515 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
516 // used by the GNU tool-chain.
521 elf_st_bind(unsigned char info)
523 return static_cast<STB>(info >> 4);
527 elf_st_type(unsigned char info)
529 return static_cast<STT>(info & 0xf);
533 elf_st_info(STB bind, STT type)
535 return ((static_cast<unsigned char>(bind) << 4)
536 + (static_cast<unsigned char>(type) & 0xf));
539 // Symbol visibility from Sym st_other field.
550 elf_st_visibility(unsigned char other)
552 return static_cast<STV>(other & 0x3);
556 elf_st_nonvis(unsigned char other)
558 return static_cast<STV>(other >> 2);
562 elf_st_other(STV vis, unsigned char nonvis)
564 return ((nonvis << 2)
565 + (static_cast<unsigned char>(vis) & 3));
568 // Reloc information from Rel/Rela r_info field.
572 elf_r_sym(typename Elf_types<size>::Elf_WXword);
576 elf_r_sym<32>(Elf_Word v)
583 elf_r_sym<64>(Elf_Xword v)
590 elf_r_type(typename Elf_types<size>::Elf_WXword);
594 elf_r_type<32>(Elf_Word v)
601 elf_r_type<64>(Elf_Xword v)
603 return v & 0xffffffff;
607 typename Elf_types<size>::Elf_WXword
608 elf_r_info(unsigned int s, unsigned int t);
612 elf_r_info<32>(unsigned int s, unsigned int t)
614 return (s << 8) + (t & 0xff);
619 elf_r_info<64>(unsigned int s, unsigned int t)
621 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
624 // Dynamic tags found in the PT_DYNAMIC segment.
655 DT_INIT_ARRAYSZ = 27,
656 DT_FINI_ARRAYSZ = 28,
660 // This is used to mark a range of dynamic tags. It is not really
664 DT_PREINIT_ARRAY = 32,
665 DT_PREINIT_ARRAYSZ = 33,
666 DT_LOOS = 0x6000000d,
667 DT_HIOS = 0x6ffff000,
668 DT_LOPROC = 0x70000000,
669 DT_HIPROC = 0x7fffffff,
671 // The remaining values are extensions used by GNU or Solaris.
672 DT_VALRNGLO = 0x6ffffd00,
673 DT_GNU_PRELINKED = 0x6ffffdf5,
674 DT_GNU_CONFLICTSZ = 0x6ffffdf6,
675 DT_GNU_LIBLISTSZ = 0x6ffffdf7,
676 DT_CHECKSUM = 0x6ffffdf8,
677 DT_PLTPADSZ = 0x6ffffdf9,
678 DT_MOVEENT = 0x6ffffdfa,
679 DT_MOVESZ = 0x6ffffdfb,
680 DT_FEATURE = 0x6ffffdfc,
681 DT_POSFLAG_1 = 0x6ffffdfd,
682 DT_SYMINSZ = 0x6ffffdfe,
683 DT_SYMINENT = 0x6ffffdff,
684 DT_VALRNGHI = 0x6ffffdff,
686 DT_ADDRRNGLO = 0x6ffffe00,
687 DT_GNU_HASH = 0x6ffffef5,
688 DT_TLSDESC_PLT = 0x6ffffef6,
689 DT_TLSDESC_GOT = 0x6ffffef7,
690 DT_GNU_CONFLICT = 0x6ffffef8,
691 DT_GNU_LIBLIST = 0x6ffffef9,
692 DT_CONFIG = 0x6ffffefa,
693 DT_DEPAUDIT = 0x6ffffefb,
694 DT_AUDIT = 0x6ffffefc,
695 DT_PLTPAD = 0x6ffffefd,
696 DT_MOVETAB = 0x6ffffefe,
697 DT_SYMINFO = 0x6ffffeff,
698 DT_ADDRRNGHI = 0x6ffffeff,
700 DT_RELACOUNT = 0x6ffffff9,
701 DT_RELCOUNT = 0x6ffffffa,
702 DT_FLAGS_1 = 0x6ffffffb,
703 DT_VERDEF = 0x6ffffffc,
704 DT_VERDEFNUM = 0x6ffffffd,
705 DT_VERNEED = 0x6ffffffe,
706 DT_VERNEEDNUM = 0x6fffffff,
708 DT_VERSYM = 0x6ffffff0,
710 // Specify the value of _GLOBAL_OFFSET_TABLE_.
711 DT_PPC_GOT = 0x70000000,
713 // Specify the start of the .glink section.
714 DT_PPC64_GLINK = 0x70000000,
716 // Specify the start and size of the .opd section.
717 DT_PPC64_OPD = 0x70000001,
718 DT_PPC64_OPDSZ = 0x70000002,
720 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
721 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
722 // symbol in the symbol table.
723 DT_SPARC_REGISTER = 0x70000001,
725 DT_AUXILIARY = 0x7ffffffd,
726 DT_USED = 0x7ffffffe,
727 DT_FILTER = 0x7fffffff
730 // Flags found in the DT_FLAGS dynamic element.
741 // Flags found in the DT_FLAGS_1 dynamic element.
749 DF_1_LOADFLTR = 0x10,
750 DF_1_INITFIRST = 0x20,
755 DF_1_INTERPOSE = 0x400,
756 DF_1_NODEFLIB = 0x800,
757 DF_1_NODUMP = 0x1000,
758 DF_1_CONLFAT = 0x2000
761 // Version numbers which appear in the vd_version field of a Verdef
764 const int VER_DEF_NONE = 0;
765 const int VER_DEF_CURRENT = 1;
767 // Version numbers which appear in the vn_version field of a Verneed
770 const int VER_NEED_NONE = 0;
771 const int VER_NEED_CURRENT = 1;
773 // Bit flags which appear in vd_flags of Verdef and vna_flags of
776 const int VER_FLG_BASE = 0x1;
777 const int VER_FLG_WEAK = 0x2;
779 // Special constants found in the SHT_GNU_versym entries.
781 const int VER_NDX_LOCAL = 0;
782 const int VER_NDX_GLOBAL = 1;
784 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
785 // the symbol is hidden and can only be seen when referenced using an
786 // explicit version number. This is a GNU extension.
788 const int VERSYM_HIDDEN = 0x8000;
790 // This is the mask for the rest of the data in a word read from a
791 // SHT_GNU_versym section.
793 const int VERSYM_VERSION = 0x7fff;
795 // Note descriptor type codes for notes in a non-core file with an
802 // An architecture string.
806 // Note descriptor type codes for notes in a non-core file with the
811 // The minimum ABI level. This is used by the dynamic linker to
812 // describe the minimal kernel version on which a shared library may
813 // be used. Th value should be four words. Word 0 is an OS
814 // descriptor (see below). Word 1 is the major version of the ABI.
815 // Word 2 is the minor version. Word 3 is the subminor version.
817 // Hardware capabilities information. Word 0 is the number of
818 // entries. Word 1 is a bitmask of enabled entries. The rest of
819 // the descriptor is a series of entries, where each entry is a
820 // single byte followed by a nul terminated string. The byte gives
821 // the bit number to test if enabled in the bitmask.
823 // The build ID as set by the linker's --build-id option. The
824 // format of the descriptor depends on the build ID style.
826 // The version of gold used to link. Th descriptor is just a
828 NT_GNU_GOLD_VERSION = 4
831 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
835 ELF_NOTE_OS_LINUX = 0,
837 ELF_NOTE_OS_SOLARIS2 = 2,
838 ELF_NOTE_OS_FREEBSD = 3,
839 ELF_NOTE_OS_NETBSD = 4,
840 ELF_NOTE_OS_SYLLABLE = 5
843 } // End namespace elfcpp.
845 // Include internal details after defining the types.
846 #include "elfcpp_internal.h"
851 // The offset of the ELF file header in the ELF file.
853 const int file_header_offset = 0;
855 // ELF structure sizes.
860 // Size of ELF file header.
861 static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
862 // Size of ELF segment header.
863 static const int phdr_size = sizeof(internal::Phdr_data<size>);
864 // Size of ELF section header.
865 static const int shdr_size = sizeof(internal::Shdr_data<size>);
866 // Size of ELF symbol table entry.
867 static const int sym_size = sizeof(internal::Sym_data<size>);
868 // Sizes of ELF reloc entries.
869 static const int rel_size = sizeof(internal::Rel_data<size>);
870 static const int rela_size = sizeof(internal::Rela_data<size>);
871 // Size of ELF dynamic entry.
872 static const int dyn_size = sizeof(internal::Dyn_data<size>);
873 // Size of ELF version structures.
874 static const int verdef_size = sizeof(internal::Verdef_data);
875 static const int verdaux_size = sizeof(internal::Verdaux_data);
876 static const int verneed_size = sizeof(internal::Verneed_data);
877 static const int vernaux_size = sizeof(internal::Vernaux_data);
880 // Accessor class for the ELF file header.
882 template<int size, bool big_endian>
886 Ehdr(const unsigned char* p)
887 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
890 template<typename File>
891 Ehdr(File* file, typename File::Location loc)
892 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
893 file->view(loc.file_offset, loc.data_size).data()))
898 { return this->p_->e_ident; }
902 { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
905 get_e_machine() const
906 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
909 get_e_version() const
910 { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
912 typename Elf_types<size>::Elf_Addr
914 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
916 typename Elf_types<size>::Elf_Off
918 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
920 typename Elf_types<size>::Elf_Off
922 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
926 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
930 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
933 get_e_phentsize() const
934 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
938 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
941 get_e_shentsize() const
942 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
946 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
949 get_e_shstrndx() const
950 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
953 const internal::Ehdr_data<size>* p_;
956 // Write class for the ELF file header.
958 template<int size, bool big_endian>
962 Ehdr_write(unsigned char* p)
963 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
967 put_e_ident(const unsigned char v[EI_NIDENT]) const
968 { memcpy(this->p_->e_ident, v, EI_NIDENT); }
971 put_e_type(Elf_Half v)
972 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
975 put_e_machine(Elf_Half v)
976 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
979 put_e_version(Elf_Word v)
980 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
983 put_e_entry(typename Elf_types<size>::Elf_Addr v)
984 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
987 put_e_phoff(typename Elf_types<size>::Elf_Off v)
988 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
991 put_e_shoff(typename Elf_types<size>::Elf_Off v)
992 { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
995 put_e_flags(Elf_Word v)
996 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
999 put_e_ehsize(Elf_Half v)
1000 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
1003 put_e_phentsize(Elf_Half v)
1004 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1007 put_e_phnum(Elf_Half v)
1008 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1011 put_e_shentsize(Elf_Half v)
1012 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1015 put_e_shnum(Elf_Half v)
1016 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1019 put_e_shstrndx(Elf_Half v)
1020 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1023 internal::Ehdr_data<size>* p_;
1026 // Accessor class for an ELF section header.
1028 template<int size, bool big_endian>
1032 Shdr(const unsigned char* p)
1033 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1036 template<typename File>
1037 Shdr(File* file, typename File::Location loc)
1038 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1039 file->view(loc.file_offset, loc.data_size).data()))
1044 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1048 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1050 typename Elf_types<size>::Elf_WXword
1051 get_sh_flags() const
1052 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1054 typename Elf_types<size>::Elf_Addr
1056 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1058 typename Elf_types<size>::Elf_Off
1059 get_sh_offset() const
1060 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1062 typename Elf_types<size>::Elf_WXword
1064 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1068 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1072 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1074 typename Elf_types<size>::Elf_WXword
1075 get_sh_addralign() const
1077 Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1079 typename Elf_types<size>::Elf_WXword
1080 get_sh_entsize() const
1081 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1084 const internal::Shdr_data<size>* p_;
1087 // Write class for an ELF section header.
1089 template<int size, bool big_endian>
1093 Shdr_write(unsigned char* p)
1094 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1098 put_sh_name(Elf_Word v)
1099 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1102 put_sh_type(Elf_Word v)
1103 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1106 put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1107 { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1110 put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1111 { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1114 put_sh_offset(typename Elf_types<size>::Elf_Off v)
1115 { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1118 put_sh_size(typename Elf_types<size>::Elf_WXword v)
1119 { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1122 put_sh_link(Elf_Word v)
1123 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1126 put_sh_info(Elf_Word v)
1127 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1130 put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1131 { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1134 put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1135 { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1138 internal::Shdr_data<size>* p_;
1141 // Accessor class for an ELF segment header.
1143 template<int size, bool big_endian>
1147 Phdr(const unsigned char* p)
1148 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1151 template<typename File>
1152 Phdr(File* file, typename File::Location loc)
1153 : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1154 file->view(loc.file_offset, loc.data_size).data()))
1159 { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1161 typename Elf_types<size>::Elf_Off
1162 get_p_offset() const
1163 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1165 typename Elf_types<size>::Elf_Addr
1167 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1169 typename Elf_types<size>::Elf_Addr
1171 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1173 typename Elf_types<size>::Elf_WXword
1174 get_p_filesz() const
1175 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1177 typename Elf_types<size>::Elf_WXword
1179 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1183 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1185 typename Elf_types<size>::Elf_WXword
1187 { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1190 const internal::Phdr_data<size>* p_;
1193 // Write class for an ELF segment header.
1195 template<int size, bool big_endian>
1199 Phdr_write(unsigned char* p)
1200 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1204 put_p_type(Elf_Word v)
1205 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1208 put_p_offset(typename Elf_types<size>::Elf_Off v)
1209 { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1212 put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1213 { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1216 put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1217 { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1220 put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1221 { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1224 put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1225 { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1228 put_p_flags(Elf_Word v)
1229 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1232 put_p_align(typename Elf_types<size>::Elf_WXword v)
1233 { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1236 internal::Phdr_data<size>* p_;
1239 // Accessor class for an ELF symbol table entry.
1241 template<int size, bool big_endian>
1245 Sym(const unsigned char* p)
1246 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1249 template<typename File>
1250 Sym(File* file, typename File::Location loc)
1251 : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1252 file->view(loc.file_offset, loc.data_size).data()))
1257 { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1259 typename Elf_types<size>::Elf_Addr
1260 get_st_value() const
1261 { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1263 typename Elf_types<size>::Elf_WXword
1265 { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1269 { return this->p_->st_info; }
1273 { return elf_st_bind(this->get_st_info()); }
1277 { return elf_st_type(this->get_st_info()); }
1280 get_st_other() const
1281 { return this->p_->st_other; }
1284 get_st_visibility() const
1285 { return elf_st_visibility(this->get_st_other()); }
1288 get_st_nonvis() const
1289 { return elf_st_nonvis(this->get_st_other()); }
1292 get_st_shndx() const
1293 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1296 const internal::Sym_data<size>* p_;
1299 // Writer class for an ELF symbol table entry.
1301 template<int size, bool big_endian>
1305 Sym_write(unsigned char* p)
1306 : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1310 put_st_name(Elf_Word v)
1311 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1314 put_st_value(typename Elf_types<size>::Elf_Addr v)
1315 { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1318 put_st_size(typename Elf_types<size>::Elf_WXword v)
1319 { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1322 put_st_info(unsigned char v)
1323 { this->p_->st_info = v; }
1326 put_st_info(STB bind, STT type)
1327 { this->p_->st_info = elf_st_info(bind, type); }
1330 put_st_other(unsigned char v)
1331 { this->p_->st_other = v; }
1334 put_st_other(STV vis, unsigned char nonvis)
1335 { this->p_->st_other = elf_st_other(vis, nonvis); }
1338 put_st_shndx(Elf_Half v)
1339 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1341 Sym<size, big_endian>
1343 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1346 internal::Sym_data<size>* p_;
1349 // Accessor classes for an ELF REL relocation entry.
1351 template<int size, bool big_endian>
1355 Rel(const unsigned char* p)
1356 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1359 template<typename File>
1360 Rel(File* file, typename File::Location loc)
1361 : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1362 file->view(loc.file_offset, loc.data_size).data()))
1365 typename Elf_types<size>::Elf_Addr
1366 get_r_offset() const
1367 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1369 typename Elf_types<size>::Elf_WXword
1371 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1374 const internal::Rel_data<size>* p_;
1377 // Writer class for an ELF Rel relocation.
1379 template<int size, bool big_endian>
1383 Rel_write(unsigned char* p)
1384 : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1388 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1389 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1392 put_r_info(typename Elf_types<size>::Elf_WXword v)
1393 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1396 internal::Rel_data<size>* p_;
1399 // Accessor class for an ELF Rela relocation.
1401 template<int size, bool big_endian>
1405 Rela(const unsigned char* p)
1406 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1409 template<typename File>
1410 Rela(File* file, typename File::Location loc)
1411 : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1412 file->view(loc.file_offset, loc.data_size).data()))
1415 typename Elf_types<size>::Elf_Addr
1416 get_r_offset() const
1417 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1419 typename Elf_types<size>::Elf_WXword
1421 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1423 typename Elf_types<size>::Elf_Swxword
1424 get_r_addend() const
1425 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1428 const internal::Rela_data<size>* p_;
1431 // Writer class for an ELF Rela relocation.
1433 template<int size, bool big_endian>
1437 Rela_write(unsigned char* p)
1438 : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1442 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1443 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1446 put_r_info(typename Elf_types<size>::Elf_WXword v)
1447 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1450 put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1451 { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1454 internal::Rela_data<size>* p_;
1457 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1458 // PT_DYNAMIC segment.
1460 template<int size, bool big_endian>
1464 Dyn(const unsigned char* p)
1465 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1468 template<typename File>
1469 Dyn(File* file, typename File::Location loc)
1470 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1471 file->view(loc.file_offset, loc.data_size).data()))
1474 typename Elf_types<size>::Elf_Swxword
1476 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1478 typename Elf_types<size>::Elf_WXword
1480 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1482 typename Elf_types<size>::Elf_Addr
1484 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1487 const internal::Dyn_data<size>* p_;
1490 // Write class for an entry in the SHT_DYNAMIC section.
1492 template<int size, bool big_endian>
1496 Dyn_write(unsigned char* p)
1497 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1501 put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1502 { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1505 put_d_val(typename Elf_types<size>::Elf_WXword v)
1506 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1509 put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1510 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1513 internal::Dyn_data<size>* p_;
1516 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1518 template<int size, bool big_endian>
1522 Verdef(const unsigned char* p)
1523 : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1526 template<typename File>
1527 Verdef(File* file, typename File::Location loc)
1528 : p_(reinterpret_cast<const internal::Verdef_data*>(
1529 file->view(loc.file_offset, loc.data_size).data()))
1533 get_vd_version() const
1534 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1537 get_vd_flags() const
1538 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1542 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1546 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1550 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1554 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1558 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1561 const internal::Verdef_data* p_;
1564 template<int size, bool big_endian>
1568 Verdef_write(unsigned char* p)
1569 : p_(reinterpret_cast<internal::Verdef_data*>(p))
1573 set_vd_version(Elf_Half v)
1574 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1577 set_vd_flags(Elf_Half v)
1578 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1581 set_vd_ndx(Elf_Half v)
1582 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1585 set_vd_cnt(Elf_Half v)
1586 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1589 set_vd_hash(Elf_Word v)
1590 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1593 set_vd_aux(Elf_Word v)
1594 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1597 set_vd_next(Elf_Word v)
1598 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1601 internal::Verdef_data* p_;
1604 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1607 template<int size, bool big_endian>
1611 Verdaux(const unsigned char* p)
1612 : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1615 template<typename File>
1616 Verdaux(File* file, typename File::Location loc)
1617 : p_(reinterpret_cast<const internal::Verdaux_data*>(
1618 file->view(loc.file_offset, loc.data_size).data()))
1622 get_vda_name() const
1623 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1626 get_vda_next() const
1627 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1630 const internal::Verdaux_data* p_;
1633 template<int size, bool big_endian>
1637 Verdaux_write(unsigned char* p)
1638 : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1642 set_vda_name(Elf_Word v)
1643 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1646 set_vda_next(Elf_Word v)
1647 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1650 internal::Verdaux_data* p_;
1653 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1655 template<int size, bool big_endian>
1659 Verneed(const unsigned char* p)
1660 : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1663 template<typename File>
1664 Verneed(File* file, typename File::Location loc)
1665 : p_(reinterpret_cast<const internal::Verneed_data*>(
1666 file->view(loc.file_offset, loc.data_size).data()))
1670 get_vn_version() const
1671 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1675 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1679 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1683 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1687 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1690 const internal::Verneed_data* p_;
1693 template<int size, bool big_endian>
1697 Verneed_write(unsigned char* p)
1698 : p_(reinterpret_cast<internal::Verneed_data*>(p))
1702 set_vn_version(Elf_Half v)
1703 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1706 set_vn_cnt(Elf_Half v)
1707 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1710 set_vn_file(Elf_Word v)
1711 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1714 set_vn_aux(Elf_Word v)
1715 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1718 set_vn_next(Elf_Word v)
1719 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1722 internal::Verneed_data* p_;
1725 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1728 template<int size, bool big_endian>
1732 Vernaux(const unsigned char* p)
1733 : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1736 template<typename File>
1737 Vernaux(File* file, typename File::Location loc)
1738 : p_(reinterpret_cast<const internal::Vernaux_data*>(
1739 file->view(loc.file_offset, loc.data_size).data()))
1743 get_vna_hash() const
1744 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1747 get_vna_flags() const
1748 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1751 get_vna_other() const
1752 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1755 get_vna_name() const
1756 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1759 get_vna_next() const
1760 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1763 const internal::Vernaux_data* p_;
1766 template<int size, bool big_endian>
1770 Vernaux_write(unsigned char* p)
1771 : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1775 set_vna_hash(Elf_Word v)
1776 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1779 set_vna_flags(Elf_Half v)
1780 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1783 set_vna_other(Elf_Half v)
1784 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1787 set_vna_name(Elf_Word v)
1788 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1791 set_vna_next(Elf_Word v)
1792 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
1795 internal::Vernaux_data* p_;
1798 } // End namespace elfcpp.
1800 #endif // !defined(ELFPCP_H)