1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
3 // Copyright 2006, 2007, 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.
326 // The valid values found in the Shdr sh_type field.
344 SHT_PREINIT_ARRAY
= 16,
346 SHT_SYMTAB_SHNDX
= 18,
347 SHT_LOOS
= 0x60000000,
348 SHT_HIOS
= 0x6fffffff,
349 SHT_LOPROC
= 0x70000000,
350 SHT_HIPROC
= 0x7fffffff,
351 SHT_LOUSER
= 0x80000000,
352 SHT_HIUSER
= 0xffffffff,
353 // The remaining values are not in the standard.
354 // Object attributes.
355 SHT_GNU_ATTRIBUTES
= 0x6ffffff5,
356 // GNU style dynamic hash table.
357 SHT_GNU_HASH
= 0x6ffffff6,
358 // List of prelink dependencies.
359 SHT_GNU_LIBLIST
= 0x6ffffff7,
360 // Versions defined by file.
361 SHT_SUNW_verdef
= 0x6ffffffd,
362 SHT_GNU_verdef
= 0x6ffffffd,
363 // Versions needed by file.
364 SHT_SUNW_verneed
= 0x6ffffffe,
365 SHT_GNU_verneed
= 0x6ffffffe,
367 SHT_SUNW_versym
= 0x6fffffff,
368 SHT_GNU_versym
= 0x6fffffff,
370 SHT_SPARC_GOTDATA
= 0x70000000,
372 // Link editor is to sort the entries in this section based on the
373 // address specified in the associated symbol table entry.
374 SHT_ORDERED
= 0x7fffffff,
377 // The valid bit flags found in the Shdr sh_flags field.
386 SHF_INFO_LINK
= 0x40,
387 SHF_LINK_ORDER
= 0x80,
388 SHF_OS_NONCONFORMING
= 0x100,
391 SHF_MASKOS
= 0x0ff00000,
392 SHF_MASKPROC
= 0xf0000000,
394 // Indicates this section requires ordering in relation to
395 // other sections of the same type. Ordered sections are
396 // combined within the section pointed to by the sh_link entry.
397 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
398 // sorted section is to precede or follow, respectively, all
399 // other sections in the set being ordered.
400 SHF_ORDERED
= 0x40000000,
401 // This section is excluded from input to the link-edit of an
402 // executable or shared object. This flag is ignored if SHF_ALLOC
403 // is also set, or if relocations exist against the section.
404 SHF_EXCLUDE
= 0x80000000,
407 // Bit flags which appear in the first 32-bit word of the section data
408 // of a SHT_GROUP section.
413 GRP_MASKOS
= 0x0ff00000,
414 GRP_MASKPROC
= 0xf0000000
417 // The valid values found in the Phdr p_type field.
429 PT_LOOS
= 0x60000000,
430 PT_HIOS
= 0x6fffffff,
431 PT_LOPROC
= 0x70000000,
432 PT_HIPROC
= 0x7fffffff,
433 // The remaining values are not in the standard.
434 // Frame unwind information.
435 PT_GNU_EH_FRAME
= 0x6474e550,
436 PT_SUNW_EH_FRAME
= 0x6474e550,
438 PT_GNU_STACK
= 0x6474e551,
439 // Read only after relocation.
440 PT_GNU_RELRO
= 0x6474e552
443 // The valid bit flags found in the Phdr p_flags field.
450 PF_MASKOS
= 0x0ff00000,
451 PF_MASKPROC
= 0xf0000000
454 // Symbol binding from Sym st_info field.
467 // Symbol types from Sym st_info field.
483 // The section type that must be used for register symbols on
484 // Sparc. These symbols initialize a global register.
485 STT_SPARC_REGISTER
= 13,
489 elf_st_bind(unsigned char info
)
491 return static_cast<STB
>(info
>> 4);
495 elf_st_type(unsigned char info
)
497 return static_cast<STT
>(info
& 0xf);
501 elf_st_info(STB bind
, STT type
)
503 return ((static_cast<unsigned char>(bind
) << 4)
504 + (static_cast<unsigned char>(type
) & 0xf));
507 // Symbol visibility from Sym st_other field.
518 elf_st_visibility(unsigned char other
)
520 return static_cast<STV
>(other
& 0x3);
524 elf_st_nonvis(unsigned char other
)
526 return static_cast<STV
>(other
>> 2);
530 elf_st_other(STV vis
, unsigned char nonvis
)
532 return ((nonvis
<< 2)
533 + (static_cast<unsigned char>(vis
) & 3));
536 // Reloc information from Rel/Rela r_info field.
540 elf_r_sym(typename Elf_types
<size
>::Elf_WXword
);
544 elf_r_sym
<32>(Elf_Word v
)
551 elf_r_sym
<64>(Elf_Xword v
)
558 elf_r_type(typename Elf_types
<size
>::Elf_WXword
);
562 elf_r_type
<32>(Elf_Word v
)
569 elf_r_type
<64>(Elf_Xword v
)
571 return v
& 0xffffffff;
575 typename Elf_types
<size
>::Elf_WXword
576 elf_r_info(unsigned int s
, unsigned int t
);
580 elf_r_info
<32>(unsigned int s
, unsigned int t
)
582 return (s
<< 8) + (t
& 0xff);
587 elf_r_info
<64>(unsigned int s
, unsigned int t
)
589 return (static_cast<Elf_Xword
>(s
) << 32) + (t
& 0xffffffff);
592 // Dynamic tags found in the PT_DYNAMIC segment.
623 DT_INIT_ARRAYSZ
= 27,
624 DT_FINI_ARRAYSZ
= 28,
628 DT_PREINIT_ARRAY
= 33,
629 DT_PREINIT_ARRAYSZ
= 33,
630 DT_LOOS
= 0x6000000d,
631 DT_HIOS
= 0x6ffff000,
632 DT_LOPROC
= 0x70000000,
633 DT_HIPROC
= 0x7fffffff,
635 // The remaining values are extensions used by GNU or Solaris.
636 DT_VALRNGLO
= 0x6ffffd00,
637 DT_GNU_PRELINKED
= 0x6ffffdf5,
638 DT_GNU_CONFLICTSZ
= 0x6ffffdf6,
639 DT_GNU_LIBLISTSZ
= 0x6ffffdf7,
640 DT_CHECKSUM
= 0x6ffffdf8,
641 DT_PLTPADSZ
= 0x6ffffdf9,
642 DT_MOVEENT
= 0x6ffffdfa,
643 DT_MOVESZ
= 0x6ffffdfb,
644 DT_FEATURE
= 0x6ffffdfc,
645 DT_POSFLAG_1
= 0x6ffffdfd,
646 DT_SYMINSZ
= 0x6ffffdfe,
647 DT_SYMINENT
= 0x6ffffdff,
648 DT_VALRNGHI
= 0x6ffffdff,
650 DT_ADDRRNGLO
= 0x6ffffe00,
651 DT_GNU_HASH
= 0x6ffffef5,
652 DT_TLSDESC_PLT
= 0x6ffffef6,
653 DT_TLSDESC_GOT
= 0x6ffffef7,
654 DT_GNU_CONFLICT
= 0x6ffffef8,
655 DT_GNU_LIBLIST
= 0x6ffffef9,
656 DT_CONFIG
= 0x6ffffefa,
657 DT_DEPAUDIT
= 0x6ffffefb,
658 DT_AUDIT
= 0x6ffffefc,
659 DT_PLTPAD
= 0x6ffffefd,
660 DT_MOVETAB
= 0x6ffffefe,
661 DT_SYMINFO
= 0x6ffffeff,
662 DT_ADDRRNGHI
= 0x6ffffeff,
664 DT_RELACOUNT
= 0x6ffffff9,
665 DT_RELCOUNT
= 0x6ffffffa,
666 DT_FLAGS_1
= 0x6ffffffb,
667 DT_VERDEF
= 0x6ffffffc,
668 DT_VERDEFNUM
= 0x6ffffffd,
669 DT_VERNEED
= 0x6ffffffe,
670 DT_VERNEEDNUM
= 0x6fffffff,
672 DT_VERSYM
= 0x6ffffff0,
674 // Specify the value of _GLOBAL_OFFSET_TABLE_.
675 DT_PPC_GOT
= 0x70000000,
677 // Specify the start of the .glink section.
678 DT_PPC64_GLINK
= 0x70000000,
680 // Specify the start and size of the .opd section.
681 DT_PPC64_OPD
= 0x70000001,
682 DT_PPC64_OPDSZ
= 0x70000002,
684 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
685 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
686 // symbol in the symbol table.
687 DT_SPARC_REGISTER
= 0x70000001,
689 DT_AUXILIARY
= 0x7ffffffd,
690 DT_USED
= 0x7ffffffe,
691 DT_FILTER
= 0x7fffffff
694 // Flags found in the DT_FLAGS dynamic element.
705 // Flags found in the DT_FLAGS_1 dynamic element.
713 DF_1_LOADFLTR
= 0x10,
714 DF_1_INITFIRST
= 0x20,
719 DF_1_INTERPOSE
= 0x400,
720 DF_1_NODEFLIB
= 0x800,
721 DF_1_NODUMP
= 0x1000,
722 DF_1_CONLFAT
= 0x2000,
725 // Version numbers which appear in the vd_version field of a Verdef
728 const int VER_DEF_NONE
= 0;
729 const int VER_DEF_CURRENT
= 1;
731 // Version numbers which appear in the vn_version field of a Verneed
734 const int VER_NEED_NONE
= 0;
735 const int VER_NEED_CURRENT
= 1;
737 // Bit flags which appear in vd_flags of Verdef and vna_flags of
740 const int VER_FLG_BASE
= 0x1;
741 const int VER_FLG_WEAK
= 0x2;
743 // Special constants found in the SHT_GNU_versym entries.
745 const int VER_NDX_LOCAL
= 0;
746 const int VER_NDX_GLOBAL
= 1;
748 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
749 // the symbol is hidden and can only be seen when referenced using an
750 // explicit version number. This is a GNU extension.
752 const int VERSYM_HIDDEN
= 0x8000;
754 // This is the mask for the rest of the data in a word read from a
755 // SHT_GNU_versym section.
757 const int VERSYM_VERSION
= 0x7fff;
759 // Note descriptor type codes for notes in a non-core file with an
766 // An architecture string.
770 // Note descriptor type codes for notes in a non-core file with the
775 // The minimum ABI level. This is used by the dynamic linker to
776 // describe the minimal kernel version on which a shared library may
777 // be used. Th value should be four words. Word 0 is an OS
778 // descriptor (see below). Word 1 is the major version of the ABI.
779 // Word 2 is the minor version. Word 3 is the subminor version.
781 // Hardware capabilities information. Word 0 is the number of
782 // entries. Word 1 is a bitmask of enabled entries. The rest of
783 // the descriptor is a series of entries, where each entry is a
784 // single byte followed by a nul terminated string. The byte gives
785 // the bit number to test if enabled in the bitmask.
787 // The build ID as set by the linker's --build-id option. The
788 // format of the descriptor depends on the build ID style.
790 // The version of gold used to link. Th descriptor is just a
792 NT_GNU_GOLD_VERSION
= 4
795 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
799 ELF_NOTE_OS_LINUX
= 0,
801 ELF_NOTE_OS_SOLARIS2
= 2,
802 ELF_NOTE_OS_FREEBSD
= 3,
803 ELF_NOTE_OS_NETBSD
= 4,
804 ELF_NOTE_OS_SYLLABLE
= 5
807 } // End namespace elfcpp.
809 // Include internal details after defining the types.
810 #include "elfcpp_internal.h"
815 // The offset of the ELF file header in the ELF file.
817 const int file_header_offset
= 0;
819 // ELF structure sizes.
824 // Size of ELF file header.
825 static const int ehdr_size
= sizeof(internal::Ehdr_data
<size
>);
826 // Size of ELF segment header.
827 static const int phdr_size
= sizeof(internal::Phdr_data
<size
>);
828 // Size of ELF section header.
829 static const int shdr_size
= sizeof(internal::Shdr_data
<size
>);
830 // Size of ELF symbol table entry.
831 static const int sym_size
= sizeof(internal::Sym_data
<size
>);
832 // Sizes of ELF reloc entries.
833 static const int rel_size
= sizeof(internal::Rel_data
<size
>);
834 static const int rela_size
= sizeof(internal::Rela_data
<size
>);
835 // Size of ELF dynamic entry.
836 static const int dyn_size
= sizeof(internal::Dyn_data
<size
>);
837 // Size of ELF version structures.
838 static const int verdef_size
= sizeof(internal::Verdef_data
);
839 static const int verdaux_size
= sizeof(internal::Verdaux_data
);
840 static const int verneed_size
= sizeof(internal::Verneed_data
);
841 static const int vernaux_size
= sizeof(internal::Vernaux_data
);
844 // Accessor class for the ELF file header.
846 template<int size
, bool big_endian
>
850 Ehdr(const unsigned char* p
)
851 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(p
))
854 template<typename File
>
855 Ehdr(File
* file
, typename
File::Location loc
)
856 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(
857 file
->view(loc
.file_offset
, loc
.data_size
).data()))
862 { return this->p_
->e_ident
; }
866 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_type
); }
869 get_e_machine() const
870 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_machine
); }
873 get_e_version() const
874 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_version
); }
876 typename Elf_types
<size
>::Elf_Addr
878 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_entry
); }
880 typename Elf_types
<size
>::Elf_Off
882 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_phoff
); }
884 typename Elf_types
<size
>::Elf_Off
886 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_shoff
); }
890 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_flags
); }
894 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_ehsize
); }
897 get_e_phentsize() const
898 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phentsize
); }
902 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phnum
); }
905 get_e_shentsize() const
906 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shentsize
); }
910 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shnum
); }
913 get_e_shstrndx() const
914 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shstrndx
); }
917 const internal::Ehdr_data
<size
>* p_
;
920 // Write class for the ELF file header.
922 template<int size
, bool big_endian
>
926 Ehdr_write(unsigned char* p
)
927 : p_(reinterpret_cast<internal::Ehdr_data
<size
>*>(p
))
931 put_e_ident(const unsigned char v
[EI_NIDENT
]) const
932 { memcpy(this->p_
->e_ident
, v
, EI_NIDENT
); }
935 put_e_type(Elf_Half v
)
936 { this->p_
->e_type
= Convert
<16, big_endian
>::convert_host(v
); }
939 put_e_machine(Elf_Half v
)
940 { this->p_
->e_machine
= Convert
<16, big_endian
>::convert_host(v
); }
943 put_e_version(Elf_Word v
)
944 { this->p_
->e_version
= Convert
<32, big_endian
>::convert_host(v
); }
947 put_e_entry(typename Elf_types
<size
>::Elf_Addr v
)
948 { this->p_
->e_entry
= Convert
<size
, big_endian
>::convert_host(v
); }
951 put_e_phoff(typename Elf_types
<size
>::Elf_Off v
)
952 { this->p_
->e_phoff
= Convert
<size
, big_endian
>::convert_host(v
); }
955 put_e_shoff(typename Elf_types
<size
>::Elf_Off v
)
956 { this->p_
->e_shoff
= Convert
<size
, big_endian
>::convert_host(v
); }
959 put_e_flags(Elf_Word v
)
960 { this->p_
->e_flags
= Convert
<32, big_endian
>::convert_host(v
); }
963 put_e_ehsize(Elf_Half v
)
964 { this->p_
->e_ehsize
= Convert
<16, big_endian
>::convert_host(v
); }
967 put_e_phentsize(Elf_Half v
)
968 { this->p_
->e_phentsize
= Convert
<16, big_endian
>::convert_host(v
); }
971 put_e_phnum(Elf_Half v
)
972 { this->p_
->e_phnum
= Convert
<16, big_endian
>::convert_host(v
); }
975 put_e_shentsize(Elf_Half v
)
976 { this->p_
->e_shentsize
= Convert
<16, big_endian
>::convert_host(v
); }
979 put_e_shnum(Elf_Half v
)
980 { this->p_
->e_shnum
= Convert
<16, big_endian
>::convert_host(v
); }
983 put_e_shstrndx(Elf_Half v
)
984 { this->p_
->e_shstrndx
= Convert
<16, big_endian
>::convert_host(v
); }
987 internal::Ehdr_data
<size
>* p_
;
990 // Accessor class for an ELF section header.
992 template<int size
, bool big_endian
>
996 Shdr(const unsigned char* p
)
997 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(p
))
1000 template<typename File
>
1001 Shdr(File
* file
, typename
File::Location loc
)
1002 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(
1003 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1008 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_name
); }
1012 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_type
); }
1014 typename Elf_types
<size
>::Elf_WXword
1015 get_sh_flags() const
1016 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_flags
); }
1018 typename Elf_types
<size
>::Elf_Addr
1020 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addr
); }
1022 typename Elf_types
<size
>::Elf_Off
1023 get_sh_offset() const
1024 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_offset
); }
1026 typename Elf_types
<size
>::Elf_WXword
1028 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_size
); }
1032 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_link
); }
1036 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_info
); }
1038 typename Elf_types
<size
>::Elf_WXword
1039 get_sh_addralign() const
1041 Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addralign
); }
1043 typename Elf_types
<size
>::Elf_WXword
1044 get_sh_entsize() const
1045 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_entsize
); }
1048 const internal::Shdr_data
<size
>* p_
;
1051 // Write class for an ELF section header.
1053 template<int size
, bool big_endian
>
1057 Shdr_write(unsigned char* p
)
1058 : p_(reinterpret_cast<internal::Shdr_data
<size
>*>(p
))
1062 put_sh_name(Elf_Word v
)
1063 { this->p_
->sh_name
= Convert
<32, big_endian
>::convert_host(v
); }
1066 put_sh_type(Elf_Word v
)
1067 { this->p_
->sh_type
= Convert
<32, big_endian
>::convert_host(v
); }
1070 put_sh_flags(typename Elf_types
<size
>::Elf_WXword v
)
1071 { this->p_
->sh_flags
= Convert
<size
, big_endian
>::convert_host(v
); }
1074 put_sh_addr(typename Elf_types
<size
>::Elf_Addr v
)
1075 { this->p_
->sh_addr
= Convert
<size
, big_endian
>::convert_host(v
); }
1078 put_sh_offset(typename Elf_types
<size
>::Elf_Off v
)
1079 { this->p_
->sh_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1082 put_sh_size(typename Elf_types
<size
>::Elf_WXword v
)
1083 { this->p_
->sh_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1086 put_sh_link(Elf_Word v
)
1087 { this->p_
->sh_link
= Convert
<32, big_endian
>::convert_host(v
); }
1090 put_sh_info(Elf_Word v
)
1091 { this->p_
->sh_info
= Convert
<32, big_endian
>::convert_host(v
); }
1094 put_sh_addralign(typename Elf_types
<size
>::Elf_WXword v
)
1095 { this->p_
->sh_addralign
= Convert
<size
, big_endian
>::convert_host(v
); }
1098 put_sh_entsize(typename Elf_types
<size
>::Elf_WXword v
)
1099 { this->p_
->sh_entsize
= Convert
<size
, big_endian
>::convert_host(v
); }
1102 internal::Shdr_data
<size
>* p_
;
1105 // Accessor class for an ELF segment header.
1107 template<int size
, bool big_endian
>
1111 Phdr(const unsigned char* p
)
1112 : p_(reinterpret_cast<const internal::Phdr_data
<size
>*>(p
))
1115 template<typename File
>
1116 Phdr(File
* file
, typename
File::Location loc
)
1117 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(
1118 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1123 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_type
); }
1125 typename Elf_types
<size
>::Elf_Off
1126 get_p_offset() const
1127 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_offset
); }
1129 typename Elf_types
<size
>::Elf_Addr
1131 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_vaddr
); }
1133 typename Elf_types
<size
>::Elf_Addr
1135 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_paddr
); }
1137 typename Elf_types
<size
>::Elf_WXword
1138 get_p_filesz() const
1139 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_filesz
); }
1141 typename Elf_types
<size
>::Elf_WXword
1143 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_memsz
); }
1147 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_flags
); }
1149 typename Elf_types
<size
>::Elf_WXword
1151 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_align
); }
1154 const internal::Phdr_data
<size
>* p_
;
1157 // Write class for an ELF segment header.
1159 template<int size
, bool big_endian
>
1163 Phdr_write(unsigned char* p
)
1164 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(p
))
1168 put_p_type(Elf_Word v
)
1169 { this->p_
->p_type
= Convert
<32, big_endian
>::convert_host(v
); }
1172 put_p_offset(typename Elf_types
<size
>::Elf_Off v
)
1173 { this->p_
->p_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1176 put_p_vaddr(typename Elf_types
<size
>::Elf_Addr v
)
1177 { this->p_
->p_vaddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1180 put_p_paddr(typename Elf_types
<size
>::Elf_Addr v
)
1181 { this->p_
->p_paddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1184 put_p_filesz(typename Elf_types
<size
>::Elf_WXword v
)
1185 { this->p_
->p_filesz
= Convert
<size
, big_endian
>::convert_host(v
); }
1188 put_p_memsz(typename Elf_types
<size
>::Elf_WXword v
)
1189 { this->p_
->p_memsz
= Convert
<size
, big_endian
>::convert_host(v
); }
1192 put_p_flags(Elf_Word v
)
1193 { this->p_
->p_flags
= Convert
<32, big_endian
>::convert_host(v
); }
1196 put_p_align(typename Elf_types
<size
>::Elf_WXword v
)
1197 { this->p_
->p_align
= Convert
<size
, big_endian
>::convert_host(v
); }
1200 internal::Phdr_data
<size
>* p_
;
1203 // Accessor class for an ELF symbol table entry.
1205 template<int size
, bool big_endian
>
1209 Sym(const unsigned char* p
)
1210 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(p
))
1213 template<typename File
>
1214 Sym(File
* file
, typename
File::Location loc
)
1215 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(
1216 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1221 { return Convert
<32, big_endian
>::convert_host(this->p_
->st_name
); }
1223 typename Elf_types
<size
>::Elf_Addr
1224 get_st_value() const
1225 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_value
); }
1227 typename Elf_types
<size
>::Elf_WXword
1229 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_size
); }
1233 { return this->p_
->st_info
; }
1237 { return elf_st_bind(this->get_st_info()); }
1241 { return elf_st_type(this->get_st_info()); }
1244 get_st_other() const
1245 { return this->p_
->st_other
; }
1248 get_st_visibility() const
1249 { return elf_st_visibility(this->get_st_other()); }
1252 get_st_nonvis() const
1253 { return elf_st_nonvis(this->get_st_other()); }
1256 get_st_shndx() const
1257 { return Convert
<16, big_endian
>::convert_host(this->p_
->st_shndx
); }
1260 const internal::Sym_data
<size
>* p_
;
1263 // Writer class for an ELF symbol table entry.
1265 template<int size
, bool big_endian
>
1269 Sym_write(unsigned char* p
)
1270 : p_(reinterpret_cast<internal::Sym_data
<size
>*>(p
))
1274 put_st_name(Elf_Word v
)
1275 { this->p_
->st_name
= Convert
<32, big_endian
>::convert_host(v
); }
1278 put_st_value(typename Elf_types
<size
>::Elf_Addr v
)
1279 { this->p_
->st_value
= Convert
<size
, big_endian
>::convert_host(v
); }
1282 put_st_size(typename Elf_types
<size
>::Elf_WXword v
)
1283 { this->p_
->st_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1286 put_st_info(unsigned char v
)
1287 { this->p_
->st_info
= v
; }
1290 put_st_info(STB bind
, STT type
)
1291 { this->p_
->st_info
= elf_st_info(bind
, type
); }
1294 put_st_other(unsigned char v
)
1295 { this->p_
->st_other
= v
; }
1298 put_st_other(STV vis
, unsigned char nonvis
)
1299 { this->p_
->st_other
= elf_st_other(vis
, nonvis
); }
1302 put_st_shndx(Elf_Half v
)
1303 { this->p_
->st_shndx
= Convert
<16, big_endian
>::convert_host(v
); }
1305 Sym
<size
, big_endian
>
1307 { return Sym
<size
, big_endian
>(reinterpret_cast<unsigned char*>(this->p_
)); }
1310 internal::Sym_data
<size
>* p_
;
1313 // Accessor classes for an ELF REL relocation entry.
1315 template<int size
, bool big_endian
>
1319 Rel(const unsigned char* p
)
1320 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(p
))
1323 template<typename File
>
1324 Rel(File
* file
, typename
File::Location loc
)
1325 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(
1326 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1329 typename Elf_types
<size
>::Elf_Addr
1330 get_r_offset() const
1331 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_offset
); }
1333 typename Elf_types
<size
>::Elf_WXword
1335 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_info
); }
1338 const internal::Rel_data
<size
>* p_
;
1341 // Writer class for an ELF Rel relocation.
1343 template<int size
, bool big_endian
>
1347 Rel_write(unsigned char* p
)
1348 : p_(reinterpret_cast<internal::Rel_data
<size
>*>(p
))
1352 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1353 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1356 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1357 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1360 internal::Rel_data
<size
>* p_
;
1363 // Accessor class for an ELF Rela relocation.
1365 template<int size
, bool big_endian
>
1369 Rela(const unsigned char* p
)
1370 : p_(reinterpret_cast<const internal::Rela_data
<size
>*>(p
))
1373 template<typename File
>
1374 Rela(File
* file
, typename
File::Location loc
)
1375 : p_(reinterpret_cast<const internal::Rela_data
<size
>*>(
1376 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1379 typename Elf_types
<size
>::Elf_Addr
1380 get_r_offset() const
1381 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_offset
); }
1383 typename Elf_types
<size
>::Elf_WXword
1385 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_info
); }
1387 typename Elf_types
<size
>::Elf_Swxword
1388 get_r_addend() const
1389 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_addend
); }
1392 const internal::Rela_data
<size
>* p_
;
1395 // Writer class for an ELF Rela relocation.
1397 template<int size
, bool big_endian
>
1401 Rela_write(unsigned char* p
)
1402 : p_(reinterpret_cast<internal::Rela_data
<size
>*>(p
))
1406 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1407 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1410 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1411 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1414 put_r_addend(typename Elf_types
<size
>::Elf_Swxword v
)
1415 { this->p_
->r_addend
= Convert
<size
, big_endian
>::convert_host(v
); }
1418 internal::Rela_data
<size
>* p_
;
1421 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1422 // PT_DYNAMIC segment.
1424 template<int size
, bool big_endian
>
1428 Dyn(const unsigned char* p
)
1429 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(p
))
1432 template<typename File
>
1433 Dyn(File
* file
, typename
File::Location loc
)
1434 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(
1435 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1438 typename Elf_types
<size
>::Elf_Swxword
1440 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_tag
); }
1442 typename Elf_types
<size
>::Elf_WXword
1444 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1446 typename Elf_types
<size
>::Elf_Addr
1448 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1451 const internal::Dyn_data
<size
>* p_
;
1454 // Write class for an entry in the SHT_DYNAMIC section.
1456 template<int size
, bool big_endian
>
1460 Dyn_write(unsigned char* p
)
1461 : p_(reinterpret_cast<internal::Dyn_data
<size
>*>(p
))
1465 put_d_tag(typename Elf_types
<size
>::Elf_Swxword v
)
1466 { this->p_
->d_tag
= Convert
<size
, big_endian
>::convert_host(v
); }
1469 put_d_val(typename Elf_types
<size
>::Elf_WXword v
)
1470 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1473 put_d_ptr(typename Elf_types
<size
>::Elf_Addr v
)
1474 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1477 internal::Dyn_data
<size
>* p_
;
1480 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1482 template<int size
, bool big_endian
>
1486 Verdef(const unsigned char* p
)
1487 : p_(reinterpret_cast<const internal::Verdef_data
*>(p
))
1490 template<typename File
>
1491 Verdef(File
* file
, typename
File::Location loc
)
1492 : p_(reinterpret_cast<const internal::Verdef_data
*>(
1493 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1497 get_vd_version() const
1498 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_version
); }
1501 get_vd_flags() const
1502 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_flags
); }
1506 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_ndx
); }
1510 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_cnt
); }
1514 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_hash
); }
1518 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_aux
); }
1522 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_next
); }
1525 const internal::Verdef_data
* p_
;
1528 template<int size
, bool big_endian
>
1532 Verdef_write(unsigned char* p
)
1533 : p_(reinterpret_cast<internal::Verdef_data
*>(p
))
1537 set_vd_version(Elf_Half v
)
1538 { this->p_
->vd_version
= Convert
<16, big_endian
>::convert_host(v
); }
1541 set_vd_flags(Elf_Half v
)
1542 { this->p_
->vd_flags
= Convert
<16, big_endian
>::convert_host(v
); }
1545 set_vd_ndx(Elf_Half v
)
1546 { this->p_
->vd_ndx
= Convert
<16, big_endian
>::convert_host(v
); }
1549 set_vd_cnt(Elf_Half v
)
1550 { this->p_
->vd_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
1553 set_vd_hash(Elf_Word v
)
1554 { this->p_
->vd_hash
= Convert
<32, big_endian
>::convert_host(v
); }
1557 set_vd_aux(Elf_Word v
)
1558 { this->p_
->vd_aux
= Convert
<32, big_endian
>::convert_host(v
); }
1561 set_vd_next(Elf_Word v
)
1562 { this->p_
->vd_next
= Convert
<32, big_endian
>::convert_host(v
); }
1565 internal::Verdef_data
* p_
;
1568 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1571 template<int size
, bool big_endian
>
1575 Verdaux(const unsigned char* p
)
1576 : p_(reinterpret_cast<const internal::Verdaux_data
*>(p
))
1579 template<typename File
>
1580 Verdaux(File
* file
, typename
File::Location loc
)
1581 : p_(reinterpret_cast<const internal::Verdaux_data
*>(
1582 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1586 get_vda_name() const
1587 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_name
); }
1590 get_vda_next() const
1591 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_next
); }
1594 const internal::Verdaux_data
* p_
;
1597 template<int size
, bool big_endian
>
1601 Verdaux_write(unsigned char* p
)
1602 : p_(reinterpret_cast<internal::Verdaux_data
*>(p
))
1606 set_vda_name(Elf_Word v
)
1607 { this->p_
->vda_name
= Convert
<32, big_endian
>::convert_host(v
); }
1610 set_vda_next(Elf_Word v
)
1611 { this->p_
->vda_next
= Convert
<32, big_endian
>::convert_host(v
); }
1614 internal::Verdaux_data
* p_
;
1617 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1619 template<int size
, bool big_endian
>
1623 Verneed(const unsigned char* p
)
1624 : p_(reinterpret_cast<const internal::Verneed_data
*>(p
))
1627 template<typename File
>
1628 Verneed(File
* file
, typename
File::Location loc
)
1629 : p_(reinterpret_cast<const internal::Verneed_data
*>(
1630 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1634 get_vn_version() const
1635 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_version
); }
1639 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_cnt
); }
1643 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_file
); }
1647 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_aux
); }
1651 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_next
); }
1654 const internal::Verneed_data
* p_
;
1657 template<int size
, bool big_endian
>
1661 Verneed_write(unsigned char* p
)
1662 : p_(reinterpret_cast<internal::Verneed_data
*>(p
))
1666 set_vn_version(Elf_Half v
)
1667 { this->p_
->vn_version
= Convert
<16, big_endian
>::convert_host(v
); }
1670 set_vn_cnt(Elf_Half v
)
1671 { this->p_
->vn_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
1674 set_vn_file(Elf_Word v
)
1675 { this->p_
->vn_file
= Convert
<32, big_endian
>::convert_host(v
); }
1678 set_vn_aux(Elf_Word v
)
1679 { this->p_
->vn_aux
= Convert
<32, big_endian
>::convert_host(v
); }
1682 set_vn_next(Elf_Word v
)
1683 { this->p_
->vn_next
= Convert
<32, big_endian
>::convert_host(v
); }
1686 internal::Verneed_data
* p_
;
1689 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1692 template<int size
, bool big_endian
>
1696 Vernaux(const unsigned char* p
)
1697 : p_(reinterpret_cast<const internal::Vernaux_data
*>(p
))
1700 template<typename File
>
1701 Vernaux(File
* file
, typename
File::Location loc
)
1702 : p_(reinterpret_cast<const internal::Vernaux_data
*>(
1703 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1707 get_vna_hash() const
1708 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_hash
); }
1711 get_vna_flags() const
1712 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_flags
); }
1715 get_vna_other() const
1716 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_other
); }
1719 get_vna_name() const
1720 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_name
); }
1723 get_vna_next() const
1724 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_next
); }
1727 const internal::Vernaux_data
* p_
;
1730 template<int size
, bool big_endian
>
1734 Vernaux_write(unsigned char* p
)
1735 : p_(reinterpret_cast<internal::Vernaux_data
*>(p
))
1739 set_vna_hash(Elf_Word v
)
1740 { this->p_
->vna_hash
= Convert
<32, big_endian
>::convert_host(v
); }
1743 set_vna_flags(Elf_Half v
)
1744 { this->p_
->vna_flags
= Convert
<16, big_endian
>::convert_host(v
); }
1747 set_vna_other(Elf_Half v
)
1748 { this->p_
->vna_other
= Convert
<16, big_endian
>::convert_host(v
); }
1751 set_vna_name(Elf_Word v
)
1752 { this->p_
->vna_name
= Convert
<32, big_endian
>::convert_host(v
); }
1755 set_vna_next(Elf_Word v
)
1756 { this->p_
->vna_next
= Convert
<32, big_endian
>::convert_host(v
); }
1759 internal::Vernaux_data
* p_
;
1762 } // End namespace elfcpp.
1764 #endif // !defined(ELFPCP_H)
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