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.
493 // Symbol types from Sym st_info field.
510 // The section type that must be used for register symbols on
511 // Sparc. These symbols initialize a global register.
512 STT_SPARC_REGISTER = 13,
514 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
515 // used by the GNU tool-chain.
520 elf_st_bind(unsigned char info)
522 return static_cast<STB>(info >> 4);
526 elf_st_type(unsigned char info)
528 return static_cast<STT>(info & 0xf);
532 elf_st_info(STB bind, STT type)
534 return ((static_cast<unsigned char>(bind) << 4)
535 + (static_cast<unsigned char>(type) & 0xf));
538 // Symbol visibility from Sym st_other field.
549 elf_st_visibility(unsigned char other)
551 return static_cast<STV>(other & 0x3);
555 elf_st_nonvis(unsigned char other)
557 return static_cast<STV>(other >> 2);
561 elf_st_other(STV vis, unsigned char nonvis)
563 return ((nonvis << 2)
564 + (static_cast<unsigned char>(vis) & 3));
567 // Reloc information from Rel/Rela r_info field.
571 elf_r_sym(typename Elf_types<size>::Elf_WXword);
575 elf_r_sym<32>(Elf_Word v)
582 elf_r_sym<64>(Elf_Xword v)
589 elf_r_type(typename Elf_types<size>::Elf_WXword);
593 elf_r_type<32>(Elf_Word v)
600 elf_r_type<64>(Elf_Xword v)
602 return v & 0xffffffff;
606 typename Elf_types<size>::Elf_WXword
607 elf_r_info(unsigned int s, unsigned int t);
611 elf_r_info<32>(unsigned int s, unsigned int t)
613 return (s << 8) + (t & 0xff);
618 elf_r_info<64>(unsigned int s, unsigned int t)
620 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
623 // Dynamic tags found in the PT_DYNAMIC segment.
654 DT_INIT_ARRAYSZ = 27,
655 DT_FINI_ARRAYSZ = 28,
659 DT_PREINIT_ARRAY = 33,
660 DT_PREINIT_ARRAYSZ = 33,
661 DT_LOOS = 0x6000000d,
662 DT_HIOS = 0x6ffff000,
663 DT_LOPROC = 0x70000000,
664 DT_HIPROC = 0x7fffffff,
666 // The remaining values are extensions used by GNU or Solaris.
667 DT_VALRNGLO = 0x6ffffd00,
668 DT_GNU_PRELINKED = 0x6ffffdf5,
669 DT_GNU_CONFLICTSZ = 0x6ffffdf6,
670 DT_GNU_LIBLISTSZ = 0x6ffffdf7,
671 DT_CHECKSUM = 0x6ffffdf8,
672 DT_PLTPADSZ = 0x6ffffdf9,
673 DT_MOVEENT = 0x6ffffdfa,
674 DT_MOVESZ = 0x6ffffdfb,
675 DT_FEATURE = 0x6ffffdfc,
676 DT_POSFLAG_1 = 0x6ffffdfd,
677 DT_SYMINSZ = 0x6ffffdfe,
678 DT_SYMINENT = 0x6ffffdff,
679 DT_VALRNGHI = 0x6ffffdff,
681 DT_ADDRRNGLO = 0x6ffffe00,
682 DT_GNU_HASH = 0x6ffffef5,
683 DT_TLSDESC_PLT = 0x6ffffef6,
684 DT_TLSDESC_GOT = 0x6ffffef7,
685 DT_GNU_CONFLICT = 0x6ffffef8,
686 DT_GNU_LIBLIST = 0x6ffffef9,
687 DT_CONFIG = 0x6ffffefa,
688 DT_DEPAUDIT = 0x6ffffefb,
689 DT_AUDIT = 0x6ffffefc,
690 DT_PLTPAD = 0x6ffffefd,
691 DT_MOVETAB = 0x6ffffefe,
692 DT_SYMINFO = 0x6ffffeff,
693 DT_ADDRRNGHI = 0x6ffffeff,
695 DT_RELACOUNT = 0x6ffffff9,
696 DT_RELCOUNT = 0x6ffffffa,
697 DT_FLAGS_1 = 0x6ffffffb,
698 DT_VERDEF = 0x6ffffffc,
699 DT_VERDEFNUM = 0x6ffffffd,
700 DT_VERNEED = 0x6ffffffe,
701 DT_VERNEEDNUM = 0x6fffffff,
703 DT_VERSYM = 0x6ffffff0,
705 // Specify the value of _GLOBAL_OFFSET_TABLE_.
706 DT_PPC_GOT = 0x70000000,
708 // Specify the start of the .glink section.
709 DT_PPC64_GLINK = 0x70000000,
711 // Specify the start and size of the .opd section.
712 DT_PPC64_OPD = 0x70000001,
713 DT_PPC64_OPDSZ = 0x70000002,
715 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
716 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
717 // symbol in the symbol table.
718 DT_SPARC_REGISTER = 0x70000001,
720 DT_AUXILIARY = 0x7ffffffd,
721 DT_USED = 0x7ffffffe,
722 DT_FILTER = 0x7fffffff
725 // Flags found in the DT_FLAGS dynamic element.
736 // Flags found in the DT_FLAGS_1 dynamic element.
744 DF_1_LOADFLTR = 0x10,
745 DF_1_INITFIRST = 0x20,
750 DF_1_INTERPOSE = 0x400,
751 DF_1_NODEFLIB = 0x800,
752 DF_1_NODUMP = 0x1000,
753 DF_1_CONLFAT = 0x2000,
756 // Version numbers which appear in the vd_version field of a Verdef
759 const int VER_DEF_NONE = 0;
760 const int VER_DEF_CURRENT = 1;
762 // Version numbers which appear in the vn_version field of a Verneed
765 const int VER_NEED_NONE = 0;
766 const int VER_NEED_CURRENT = 1;
768 // Bit flags which appear in vd_flags of Verdef and vna_flags of
771 const int VER_FLG_BASE = 0x1;
772 const int VER_FLG_WEAK = 0x2;
774 // Special constants found in the SHT_GNU_versym entries.
776 const int VER_NDX_LOCAL = 0;
777 const int VER_NDX_GLOBAL = 1;
779 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
780 // the symbol is hidden and can only be seen when referenced using an
781 // explicit version number. This is a GNU extension.
783 const int VERSYM_HIDDEN = 0x8000;
785 // This is the mask for the rest of the data in a word read from a
786 // SHT_GNU_versym section.
788 const int VERSYM_VERSION = 0x7fff;
790 // Note descriptor type codes for notes in a non-core file with an
797 // An architecture string.
801 // Note descriptor type codes for notes in a non-core file with the
806 // The minimum ABI level. This is used by the dynamic linker to
807 // describe the minimal kernel version on which a shared library may
808 // be used. Th value should be four words. Word 0 is an OS
809 // descriptor (see below). Word 1 is the major version of the ABI.
810 // Word 2 is the minor version. Word 3 is the subminor version.
812 // Hardware capabilities information. Word 0 is the number of
813 // entries. Word 1 is a bitmask of enabled entries. The rest of
814 // the descriptor is a series of entries, where each entry is a
815 // single byte followed by a nul terminated string. The byte gives
816 // the bit number to test if enabled in the bitmask.
818 // The build ID as set by the linker's --build-id option. The
819 // format of the descriptor depends on the build ID style.
821 // The version of gold used to link. Th descriptor is just a
823 NT_GNU_GOLD_VERSION = 4
826 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
830 ELF_NOTE_OS_LINUX = 0,
832 ELF_NOTE_OS_SOLARIS2 = 2,
833 ELF_NOTE_OS_FREEBSD = 3,
834 ELF_NOTE_OS_NETBSD = 4,
835 ELF_NOTE_OS_SYLLABLE = 5
838 } // End namespace elfcpp.
840 // Include internal details after defining the types.
841 #include "elfcpp_internal.h"
846 // The offset of the ELF file header in the ELF file.
848 const int file_header_offset = 0;
850 // ELF structure sizes.
855 // Size of ELF file header.
856 static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
857 // Size of ELF segment header.
858 static const int phdr_size = sizeof(internal::Phdr_data<size>);
859 // Size of ELF section header.
860 static const int shdr_size = sizeof(internal::Shdr_data<size>);
861 // Size of ELF symbol table entry.
862 static const int sym_size = sizeof(internal::Sym_data<size>);
863 // Sizes of ELF reloc entries.
864 static const int rel_size = sizeof(internal::Rel_data<size>);
865 static const int rela_size = sizeof(internal::Rela_data<size>);
866 // Size of ELF dynamic entry.
867 static const int dyn_size = sizeof(internal::Dyn_data<size>);
868 // Size of ELF version structures.
869 static const int verdef_size = sizeof(internal::Verdef_data);
870 static const int verdaux_size = sizeof(internal::Verdaux_data);
871 static const int verneed_size = sizeof(internal::Verneed_data);
872 static const int vernaux_size = sizeof(internal::Vernaux_data);
875 // Accessor class for the ELF file header.
877 template<int size, bool big_endian>
881 Ehdr(const unsigned char* p)
882 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
885 template<typename File>
886 Ehdr(File* file, typename File::Location loc)
887 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
888 file->view(loc.file_offset, loc.data_size).data()))
893 { return this->p_->e_ident; }
897 { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
900 get_e_machine() const
901 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
904 get_e_version() const
905 { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
907 typename Elf_types<size>::Elf_Addr
909 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
911 typename Elf_types<size>::Elf_Off
913 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
915 typename Elf_types<size>::Elf_Off
917 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
921 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
925 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
928 get_e_phentsize() const
929 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
933 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
936 get_e_shentsize() const
937 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
941 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
944 get_e_shstrndx() const
945 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
948 const internal::Ehdr_data<size>* p_;
951 // Write class for the ELF file header.
953 template<int size, bool big_endian>
957 Ehdr_write(unsigned char* p)
958 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
962 put_e_ident(const unsigned char v[EI_NIDENT]) const
963 { memcpy(this->p_->e_ident, v, EI_NIDENT); }
966 put_e_type(Elf_Half v)
967 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
970 put_e_machine(Elf_Half v)
971 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
974 put_e_version(Elf_Word v)
975 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
978 put_e_entry(typename Elf_types<size>::Elf_Addr v)
979 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
982 put_e_phoff(typename Elf_types<size>::Elf_Off v)
983 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
986 put_e_shoff(typename Elf_types<size>::Elf_Off v)
987 { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
990 put_e_flags(Elf_Word v)
991 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
994 put_e_ehsize(Elf_Half v)
995 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
998 put_e_phentsize(Elf_Half v)
999 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1002 put_e_phnum(Elf_Half v)
1003 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1006 put_e_shentsize(Elf_Half v)
1007 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1010 put_e_shnum(Elf_Half v)
1011 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1014 put_e_shstrndx(Elf_Half v)
1015 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1018 internal::Ehdr_data<size>* p_;
1021 // Accessor class for an ELF section header.
1023 template<int size, bool big_endian>
1027 Shdr(const unsigned char* p)
1028 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1031 template<typename File>
1032 Shdr(File* file, typename File::Location loc)
1033 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1034 file->view(loc.file_offset, loc.data_size).data()))
1039 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1043 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1045 typename Elf_types<size>::Elf_WXword
1046 get_sh_flags() const
1047 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1049 typename Elf_types<size>::Elf_Addr
1051 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1053 typename Elf_types<size>::Elf_Off
1054 get_sh_offset() const
1055 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1057 typename Elf_types<size>::Elf_WXword
1059 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1063 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1067 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1069 typename Elf_types<size>::Elf_WXword
1070 get_sh_addralign() const
1072 Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1074 typename Elf_types<size>::Elf_WXword
1075 get_sh_entsize() const
1076 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1079 const internal::Shdr_data<size>* p_;
1082 // Write class for an ELF section header.
1084 template<int size, bool big_endian>
1088 Shdr_write(unsigned char* p)
1089 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1093 put_sh_name(Elf_Word v)
1094 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1097 put_sh_type(Elf_Word v)
1098 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1101 put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1102 { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1105 put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1106 { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1109 put_sh_offset(typename Elf_types<size>::Elf_Off v)
1110 { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1113 put_sh_size(typename Elf_types<size>::Elf_WXword v)
1114 { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1117 put_sh_link(Elf_Word v)
1118 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1121 put_sh_info(Elf_Word v)
1122 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1125 put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1126 { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1129 put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1130 { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1133 internal::Shdr_data<size>* p_;
1136 // Accessor class for an ELF segment header.
1138 template<int size, bool big_endian>
1142 Phdr(const unsigned char* p)
1143 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1146 template<typename File>
1147 Phdr(File* file, typename File::Location loc)
1148 : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1149 file->view(loc.file_offset, loc.data_size).data()))
1154 { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1156 typename Elf_types<size>::Elf_Off
1157 get_p_offset() const
1158 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1160 typename Elf_types<size>::Elf_Addr
1162 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1164 typename Elf_types<size>::Elf_Addr
1166 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1168 typename Elf_types<size>::Elf_WXword
1169 get_p_filesz() const
1170 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1172 typename Elf_types<size>::Elf_WXword
1174 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1178 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1180 typename Elf_types<size>::Elf_WXword
1182 { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1185 const internal::Phdr_data<size>* p_;
1188 // Write class for an ELF segment header.
1190 template<int size, bool big_endian>
1194 Phdr_write(unsigned char* p)
1195 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1199 put_p_type(Elf_Word v)
1200 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1203 put_p_offset(typename Elf_types<size>::Elf_Off v)
1204 { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1207 put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1208 { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1211 put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1212 { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1215 put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1216 { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1219 put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1220 { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1223 put_p_flags(Elf_Word v)
1224 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1227 put_p_align(typename Elf_types<size>::Elf_WXword v)
1228 { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1231 internal::Phdr_data<size>* p_;
1234 // Accessor class for an ELF symbol table entry.
1236 template<int size, bool big_endian>
1240 Sym(const unsigned char* p)
1241 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1244 template<typename File>
1245 Sym(File* file, typename File::Location loc)
1246 : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1247 file->view(loc.file_offset, loc.data_size).data()))
1252 { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1254 typename Elf_types<size>::Elf_Addr
1255 get_st_value() const
1256 { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1258 typename Elf_types<size>::Elf_WXword
1260 { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1264 { return this->p_->st_info; }
1268 { return elf_st_bind(this->get_st_info()); }
1272 { return elf_st_type(this->get_st_info()); }
1275 get_st_other() const
1276 { return this->p_->st_other; }
1279 get_st_visibility() const
1280 { return elf_st_visibility(this->get_st_other()); }
1283 get_st_nonvis() const
1284 { return elf_st_nonvis(this->get_st_other()); }
1287 get_st_shndx() const
1288 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1291 const internal::Sym_data<size>* p_;
1294 // Writer class for an ELF symbol table entry.
1296 template<int size, bool big_endian>
1300 Sym_write(unsigned char* p)
1301 : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1305 put_st_name(Elf_Word v)
1306 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1309 put_st_value(typename Elf_types<size>::Elf_Addr v)
1310 { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1313 put_st_size(typename Elf_types<size>::Elf_WXword v)
1314 { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1317 put_st_info(unsigned char v)
1318 { this->p_->st_info = v; }
1321 put_st_info(STB bind, STT type)
1322 { this->p_->st_info = elf_st_info(bind, type); }
1325 put_st_other(unsigned char v)
1326 { this->p_->st_other = v; }
1329 put_st_other(STV vis, unsigned char nonvis)
1330 { this->p_->st_other = elf_st_other(vis, nonvis); }
1333 put_st_shndx(Elf_Half v)
1334 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1336 Sym<size, big_endian>
1338 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1341 internal::Sym_data<size>* p_;
1344 // Accessor classes for an ELF REL relocation entry.
1346 template<int size, bool big_endian>
1350 Rel(const unsigned char* p)
1351 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1354 template<typename File>
1355 Rel(File* file, typename File::Location loc)
1356 : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1357 file->view(loc.file_offset, loc.data_size).data()))
1360 typename Elf_types<size>::Elf_Addr
1361 get_r_offset() const
1362 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1364 typename Elf_types<size>::Elf_WXword
1366 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1369 const internal::Rel_data<size>* p_;
1372 // Writer class for an ELF Rel relocation.
1374 template<int size, bool big_endian>
1378 Rel_write(unsigned char* p)
1379 : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1383 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1384 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1387 put_r_info(typename Elf_types<size>::Elf_WXword v)
1388 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1391 internal::Rel_data<size>* p_;
1394 // Accessor class for an ELF Rela relocation.
1396 template<int size, bool big_endian>
1400 Rela(const unsigned char* p)
1401 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1404 template<typename File>
1405 Rela(File* file, typename File::Location loc)
1406 : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1407 file->view(loc.file_offset, loc.data_size).data()))
1410 typename Elf_types<size>::Elf_Addr
1411 get_r_offset() const
1412 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1414 typename Elf_types<size>::Elf_WXword
1416 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1418 typename Elf_types<size>::Elf_Swxword
1419 get_r_addend() const
1420 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1423 const internal::Rela_data<size>* p_;
1426 // Writer class for an ELF Rela relocation.
1428 template<int size, bool big_endian>
1432 Rela_write(unsigned char* p)
1433 : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1437 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1438 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1441 put_r_info(typename Elf_types<size>::Elf_WXword v)
1442 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1445 put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1446 { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1449 internal::Rela_data<size>* p_;
1452 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1453 // PT_DYNAMIC segment.
1455 template<int size, bool big_endian>
1459 Dyn(const unsigned char* p)
1460 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1463 template<typename File>
1464 Dyn(File* file, typename File::Location loc)
1465 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1466 file->view(loc.file_offset, loc.data_size).data()))
1469 typename Elf_types<size>::Elf_Swxword
1471 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1473 typename Elf_types<size>::Elf_WXword
1475 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1477 typename Elf_types<size>::Elf_Addr
1479 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1482 const internal::Dyn_data<size>* p_;
1485 // Write class for an entry in the SHT_DYNAMIC section.
1487 template<int size, bool big_endian>
1491 Dyn_write(unsigned char* p)
1492 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1496 put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1497 { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1500 put_d_val(typename Elf_types<size>::Elf_WXword v)
1501 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1504 put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1505 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1508 internal::Dyn_data<size>* p_;
1511 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1513 template<int size, bool big_endian>
1517 Verdef(const unsigned char* p)
1518 : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1521 template<typename File>
1522 Verdef(File* file, typename File::Location loc)
1523 : p_(reinterpret_cast<const internal::Verdef_data*>(
1524 file->view(loc.file_offset, loc.data_size).data()))
1528 get_vd_version() const
1529 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1532 get_vd_flags() const
1533 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1537 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1541 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1545 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1549 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1553 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1556 const internal::Verdef_data* p_;
1559 template<int size, bool big_endian>
1563 Verdef_write(unsigned char* p)
1564 : p_(reinterpret_cast<internal::Verdef_data*>(p))
1568 set_vd_version(Elf_Half v)
1569 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1572 set_vd_flags(Elf_Half v)
1573 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1576 set_vd_ndx(Elf_Half v)
1577 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1580 set_vd_cnt(Elf_Half v)
1581 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1584 set_vd_hash(Elf_Word v)
1585 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1588 set_vd_aux(Elf_Word v)
1589 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1592 set_vd_next(Elf_Word v)
1593 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1596 internal::Verdef_data* p_;
1599 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1602 template<int size, bool big_endian>
1606 Verdaux(const unsigned char* p)
1607 : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1610 template<typename File>
1611 Verdaux(File* file, typename File::Location loc)
1612 : p_(reinterpret_cast<const internal::Verdaux_data*>(
1613 file->view(loc.file_offset, loc.data_size).data()))
1617 get_vda_name() const
1618 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1621 get_vda_next() const
1622 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1625 const internal::Verdaux_data* p_;
1628 template<int size, bool big_endian>
1632 Verdaux_write(unsigned char* p)
1633 : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1637 set_vda_name(Elf_Word v)
1638 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1641 set_vda_next(Elf_Word v)
1642 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1645 internal::Verdaux_data* p_;
1648 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1650 template<int size, bool big_endian>
1654 Verneed(const unsigned char* p)
1655 : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1658 template<typename File>
1659 Verneed(File* file, typename File::Location loc)
1660 : p_(reinterpret_cast<const internal::Verneed_data*>(
1661 file->view(loc.file_offset, loc.data_size).data()))
1665 get_vn_version() const
1666 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1670 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1674 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1678 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1682 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1685 const internal::Verneed_data* p_;
1688 template<int size, bool big_endian>
1692 Verneed_write(unsigned char* p)
1693 : p_(reinterpret_cast<internal::Verneed_data*>(p))
1697 set_vn_version(Elf_Half v)
1698 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1701 set_vn_cnt(Elf_Half v)
1702 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1705 set_vn_file(Elf_Word v)
1706 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1709 set_vn_aux(Elf_Word v)
1710 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1713 set_vn_next(Elf_Word v)
1714 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1717 internal::Verneed_data* p_;
1720 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1723 template<int size, bool big_endian>
1727 Vernaux(const unsigned char* p)
1728 : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1731 template<typename File>
1732 Vernaux(File* file, typename File::Location loc)
1733 : p_(reinterpret_cast<const internal::Vernaux_data*>(
1734 file->view(loc.file_offset, loc.data_size).data()))
1738 get_vna_hash() const
1739 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1742 get_vna_flags() const
1743 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1746 get_vna_other() const
1747 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1750 get_vna_name() const
1751 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1754 get_vna_next() const
1755 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1758 const internal::Vernaux_data* p_;
1761 template<int size, bool big_endian>
1765 Vernaux_write(unsigned char* p)
1766 : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1770 set_vna_hash(Elf_Word v)
1771 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1774 set_vna_flags(Elf_Half v)
1775 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1778 set_vna_other(Elf_Half v)
1779 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1782 set_vna_name(Elf_Word v)
1783 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1786 set_vna_next(Elf_Word v)
1787 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
1790 internal::Vernaux_data* p_;
1793 } // End namespace elfcpp.
1795 #endif // !defined(ELFPCP_H)