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,
373 // The valid bit flags found in the Shdr sh_flags field.
382 SHF_INFO_LINK
= 0x40,
383 SHF_LINK_ORDER
= 0x80,
384 SHF_OS_NONCONFORMING
= 0x100,
387 SHF_MASKOS
= 0x0ff00000,
388 SHF_MASKPROC
= 0xf0000000,
390 // Indicates this section requires ordering in relation to
391 // other sections of the same type. Ordered sections are
392 // combined within the section pointed to by the sh_link entry.
393 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
394 // sorted section is to precede or follow, respectively, all
395 // other sections in the set being ordered.
396 SHF_ORDERED
= 0x40000000,
397 // This section is excluded from input to the link-edit of an
398 // executable or shared object. This flag is ignored if SHF_ALLOC
399 // is also set, or if relocations exist against the section.
400 SHF_EXCLUDE
= 0x80000000,
403 // Bit flags which appear in the first 32-bit word of the section data
404 // of a SHT_GROUP section.
409 GRP_MASKOS
= 0x0ff00000,
410 GRP_MASKPROC
= 0xf0000000
413 // The valid values found in the Phdr p_type field.
425 PT_LOOS
= 0x60000000,
426 PT_HIOS
= 0x6fffffff,
427 PT_LOPROC
= 0x70000000,
428 PT_HIPROC
= 0x7fffffff,
429 // The remaining values are not in the standard.
430 // Frame unwind information.
431 PT_GNU_EH_FRAME
= 0x6474e550,
432 PT_SUNW_EH_FRAME
= 0x6474e550,
434 PT_GNU_STACK
= 0x6474e551,
435 // Read only after relocation.
436 PT_GNU_RELRO
= 0x6474e552
439 // The valid bit flags found in the Phdr p_flags field.
446 PF_MASKOS
= 0x0ff00000,
447 PF_MASKPROC
= 0xf0000000
450 // Symbol binding from Sym st_info field.
463 // Symbol types from Sym st_info field.
479 // The section type that must be used for register symbols on
480 // Sparc. These symbols initialize a global register.
481 STT_SPARC_REGISTER
= 13,
485 elf_st_bind(unsigned char info
)
487 return static_cast<STB
>(info
>> 4);
491 elf_st_type(unsigned char info
)
493 return static_cast<STT
>(info
& 0xf);
497 elf_st_info(STB bind
, STT type
)
499 return ((static_cast<unsigned char>(bind
) << 4)
500 + (static_cast<unsigned char>(type
) & 0xf));
503 // Symbol visibility from Sym st_other field.
514 elf_st_visibility(unsigned char other
)
516 return static_cast<STV
>(other
& 0x3);
520 elf_st_nonvis(unsigned char other
)
522 return static_cast<STV
>(other
>> 2);
526 elf_st_other(STV vis
, unsigned char nonvis
)
528 return ((nonvis
<< 2)
529 + (static_cast<unsigned char>(vis
) & 3));
532 // Reloc information from Rel/Rela r_info field.
536 elf_r_sym(typename Elf_types
<size
>::Elf_WXword
);
540 elf_r_sym
<32>(Elf_Word v
)
547 elf_r_sym
<64>(Elf_Xword v
)
554 elf_r_type(typename Elf_types
<size
>::Elf_WXword
);
558 elf_r_type
<32>(Elf_Word v
)
565 elf_r_type
<64>(Elf_Xword v
)
567 return v
& 0xffffffff;
571 typename Elf_types
<size
>::Elf_WXword
572 elf_r_info(unsigned int s
, unsigned int t
);
576 elf_r_info
<32>(unsigned int s
, unsigned int t
)
578 return (s
<< 8) + (t
& 0xff);
583 elf_r_info
<64>(unsigned int s
, unsigned int t
)
585 return (static_cast<Elf_Xword
>(s
) << 32) + (t
& 0xffffffff);
588 // Dynamic tags found in the PT_DYNAMIC segment.
619 DT_INIT_ARRAYSZ
= 27,
620 DT_FINI_ARRAYSZ
= 28,
624 DT_PREINIT_ARRAY
= 33,
625 DT_PREINIT_ARRAYSZ
= 33,
626 DT_LOOS
= 0x6000000d,
627 DT_HIOS
= 0x6ffff000,
628 DT_LOPROC
= 0x70000000,
629 DT_HIPROC
= 0x7fffffff,
631 // The remaining values are extensions used by GNU or Solaris.
632 DT_VALRNGLO
= 0x6ffffd00,
633 DT_GNU_PRELINKED
= 0x6ffffdf5,
634 DT_GNU_CONFLICTSZ
= 0x6ffffdf6,
635 DT_GNU_LIBLISTSZ
= 0x6ffffdf7,
636 DT_CHECKSUM
= 0x6ffffdf8,
637 DT_PLTPADSZ
= 0x6ffffdf9,
638 DT_MOVEENT
= 0x6ffffdfa,
639 DT_MOVESZ
= 0x6ffffdfb,
640 DT_FEATURE
= 0x6ffffdfc,
641 DT_POSFLAG_1
= 0x6ffffdfd,
642 DT_SYMINSZ
= 0x6ffffdfe,
643 DT_SYMINENT
= 0x6ffffdff,
644 DT_VALRNGHI
= 0x6ffffdff,
646 DT_ADDRRNGLO
= 0x6ffffe00,
647 DT_GNU_HASH
= 0x6ffffef5,
648 DT_TLSDESC_PLT
= 0x6ffffef6,
649 DT_TLSDESC_GOT
= 0x6ffffef7,
650 DT_GNU_CONFLICT
= 0x6ffffef8,
651 DT_GNU_LIBLIST
= 0x6ffffef9,
652 DT_CONFIG
= 0x6ffffefa,
653 DT_DEPAUDIT
= 0x6ffffefb,
654 DT_AUDIT
= 0x6ffffefc,
655 DT_PLTPAD
= 0x6ffffefd,
656 DT_MOVETAB
= 0x6ffffefe,
657 DT_SYMINFO
= 0x6ffffeff,
658 DT_ADDRRNGHI
= 0x6ffffeff,
660 DT_RELACOUNT
= 0x6ffffff9,
661 DT_RELCOUNT
= 0x6ffffffa,
662 DT_FLAGS_1
= 0x6ffffffb,
663 DT_VERDEF
= 0x6ffffffc,
664 DT_VERDEFNUM
= 0x6ffffffd,
665 DT_VERNEED
= 0x6ffffffe,
666 DT_VERNEEDNUM
= 0x6fffffff,
668 DT_VERSYM
= 0x6ffffff0,
670 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
671 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
672 // symbol in the symbol table.
673 DT_SPARC_REGISTER
= 0x70000001,
675 DT_AUXILIARY
= 0x7ffffffd,
676 DT_USED
= 0x7ffffffe,
677 DT_FILTER
= 0x7fffffff
680 // Flags found in the DT_FLAGS dynamic element.
691 // Flags found in the DT_FLAGS_1 dynamic element.
699 DF_1_LOADFLTR
= 0x10,
700 DF_1_INITFIRST
= 0x20,
705 DF_1_INTERPOSE
= 0x400,
706 DF_1_NODEFLIB
= 0x800,
707 DF_1_NODUMP
= 0x1000,
708 DF_1_CONLFAT
= 0x2000,
711 // Version numbers which appear in the vd_version field of a Verdef
714 const int VER_DEF_NONE
= 0;
715 const int VER_DEF_CURRENT
= 1;
717 // Version numbers which appear in the vn_version field of a Verneed
720 const int VER_NEED_NONE
= 0;
721 const int VER_NEED_CURRENT
= 1;
723 // Bit flags which appear in vd_flags of Verdef and vna_flags of
726 const int VER_FLG_BASE
= 0x1;
727 const int VER_FLG_WEAK
= 0x2;
729 // Special constants found in the SHT_GNU_versym entries.
731 const int VER_NDX_LOCAL
= 0;
732 const int VER_NDX_GLOBAL
= 1;
734 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
735 // the symbol is hidden and can only be seen when referenced using an
736 // explicit version number. This is a GNU extension.
738 const int VERSYM_HIDDEN
= 0x8000;
740 // This is the mask for the rest of the data in a word read from a
741 // SHT_GNU_versym section.
743 const int VERSYM_VERSION
= 0x7fff;
745 // Note descriptor type codes for notes in a non-core file with an
752 // An architecture string.
756 // Note descriptor type codes for notes in a non-core file with the
761 // The minimum ABI level. This is used by the dynamic linker to
762 // describe the minimal kernel version on which a shared library may
763 // be used. Th value should be four words. Word 0 is an OS
764 // descriptor (see below). Word 1 is the major version of the ABI.
765 // Word 2 is the minor version. Word 3 is the subminor version.
767 // Hardware capabilities information. Word 0 is the number of
768 // entries. Word 1 is a bitmask of enabled entries. The rest of
769 // the descriptor is a series of entries, where each entry is a
770 // single byte followed by a nul terminated string. The byte gives
771 // the bit number to test if enabled in the bitmask.
773 // The build ID as set by the linker's --build-id option. The
774 // format of the descriptor depends on the build ID style.
776 // The version of gold used to link. Th descriptor is just a
778 NT_GNU_GOLD_VERSION
= 4
781 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
785 ELF_NOTE_OS_LINUX
= 0,
787 ELF_NOTE_OS_SOLARIS2
= 2,
788 ELF_NOTE_OS_FREEBSD
= 3,
789 ELF_NOTE_OS_NETBSD
= 4,
790 ELF_NOTE_OS_SYLLABLE
= 5
793 } // End namespace elfcpp.
795 // Include internal details after defining the types.
796 #include "elfcpp_internal.h"
801 // The offset of the ELF file header in the ELF file.
803 const int file_header_offset
= 0;
805 // ELF structure sizes.
810 // Size of ELF file header.
811 static const int ehdr_size
= sizeof(internal::Ehdr_data
<size
>);
812 // Size of ELF segment header.
813 static const int phdr_size
= sizeof(internal::Phdr_data
<size
>);
814 // Size of ELF section header.
815 static const int shdr_size
= sizeof(internal::Shdr_data
<size
>);
816 // Size of ELF symbol table entry.
817 static const int sym_size
= sizeof(internal::Sym_data
<size
>);
818 // Sizes of ELF reloc entries.
819 static const int rel_size
= sizeof(internal::Rel_data
<size
>);
820 static const int rela_size
= sizeof(internal::Rela_data
<size
>);
821 // Size of ELF dynamic entry.
822 static const int dyn_size
= sizeof(internal::Dyn_data
<size
>);
823 // Size of ELF version structures.
824 static const int verdef_size
= sizeof(internal::Verdef_data
);
825 static const int verdaux_size
= sizeof(internal::Verdaux_data
);
826 static const int verneed_size
= sizeof(internal::Verneed_data
);
827 static const int vernaux_size
= sizeof(internal::Vernaux_data
);
830 // Accessor class for the ELF file header.
832 template<int size
, bool big_endian
>
836 Ehdr(const unsigned char* p
)
837 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(p
))
840 template<typename File
>
841 Ehdr(File
* file
, typename
File::Location loc
)
842 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(
843 file
->view(loc
.file_offset
, loc
.data_size
).data()))
848 { return this->p_
->e_ident
; }
852 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_type
); }
855 get_e_machine() const
856 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_machine
); }
859 get_e_version() const
860 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_version
); }
862 typename Elf_types
<size
>::Elf_Addr
864 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_entry
); }
866 typename Elf_types
<size
>::Elf_Off
868 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_phoff
); }
870 typename Elf_types
<size
>::Elf_Off
872 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_shoff
); }
876 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_flags
); }
880 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_ehsize
); }
883 get_e_phentsize() const
884 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phentsize
); }
888 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phnum
); }
891 get_e_shentsize() const
892 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shentsize
); }
896 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shnum
); }
899 get_e_shstrndx() const
900 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shstrndx
); }
903 const internal::Ehdr_data
<size
>* p_
;
906 // Write class for the ELF file header.
908 template<int size
, bool big_endian
>
912 Ehdr_write(unsigned char* p
)
913 : p_(reinterpret_cast<internal::Ehdr_data
<size
>*>(p
))
917 put_e_ident(const unsigned char v
[EI_NIDENT
]) const
918 { memcpy(this->p_
->e_ident
, v
, EI_NIDENT
); }
921 put_e_type(Elf_Half v
)
922 { this->p_
->e_type
= Convert
<16, big_endian
>::convert_host(v
); }
925 put_e_machine(Elf_Half v
)
926 { this->p_
->e_machine
= Convert
<16, big_endian
>::convert_host(v
); }
929 put_e_version(Elf_Word v
)
930 { this->p_
->e_version
= Convert
<32, big_endian
>::convert_host(v
); }
933 put_e_entry(typename Elf_types
<size
>::Elf_Addr v
)
934 { this->p_
->e_entry
= Convert
<size
, big_endian
>::convert_host(v
); }
937 put_e_phoff(typename Elf_types
<size
>::Elf_Off v
)
938 { this->p_
->e_phoff
= Convert
<size
, big_endian
>::convert_host(v
); }
941 put_e_shoff(typename Elf_types
<size
>::Elf_Off v
)
942 { this->p_
->e_shoff
= Convert
<size
, big_endian
>::convert_host(v
); }
945 put_e_flags(Elf_Word v
)
946 { this->p_
->e_flags
= Convert
<32, big_endian
>::convert_host(v
); }
949 put_e_ehsize(Elf_Half v
)
950 { this->p_
->e_ehsize
= Convert
<16, big_endian
>::convert_host(v
); }
953 put_e_phentsize(Elf_Half v
)
954 { this->p_
->e_phentsize
= Convert
<16, big_endian
>::convert_host(v
); }
957 put_e_phnum(Elf_Half v
)
958 { this->p_
->e_phnum
= Convert
<16, big_endian
>::convert_host(v
); }
961 put_e_shentsize(Elf_Half v
)
962 { this->p_
->e_shentsize
= Convert
<16, big_endian
>::convert_host(v
); }
965 put_e_shnum(Elf_Half v
)
966 { this->p_
->e_shnum
= Convert
<16, big_endian
>::convert_host(v
); }
969 put_e_shstrndx(Elf_Half v
)
970 { this->p_
->e_shstrndx
= Convert
<16, big_endian
>::convert_host(v
); }
973 internal::Ehdr_data
<size
>* p_
;
976 // Accessor class for an ELF section header.
978 template<int size
, bool big_endian
>
982 Shdr(const unsigned char* p
)
983 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(p
))
986 template<typename File
>
987 Shdr(File
* file
, typename
File::Location loc
)
988 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(
989 file
->view(loc
.file_offset
, loc
.data_size
).data()))
994 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_name
); }
998 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_type
); }
1000 typename Elf_types
<size
>::Elf_WXword
1001 get_sh_flags() const
1002 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_flags
); }
1004 typename Elf_types
<size
>::Elf_Addr
1006 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addr
); }
1008 typename Elf_types
<size
>::Elf_Off
1009 get_sh_offset() const
1010 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_offset
); }
1012 typename Elf_types
<size
>::Elf_WXword
1014 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_size
); }
1018 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_link
); }
1022 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_info
); }
1024 typename Elf_types
<size
>::Elf_WXword
1025 get_sh_addralign() const
1027 Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addralign
); }
1029 typename Elf_types
<size
>::Elf_WXword
1030 get_sh_entsize() const
1031 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_entsize
); }
1034 const internal::Shdr_data
<size
>* p_
;
1037 // Write class for an ELF section header.
1039 template<int size
, bool big_endian
>
1043 Shdr_write(unsigned char* p
)
1044 : p_(reinterpret_cast<internal::Shdr_data
<size
>*>(p
))
1048 put_sh_name(Elf_Word v
)
1049 { this->p_
->sh_name
= Convert
<32, big_endian
>::convert_host(v
); }
1052 put_sh_type(Elf_Word v
)
1053 { this->p_
->sh_type
= Convert
<32, big_endian
>::convert_host(v
); }
1056 put_sh_flags(typename Elf_types
<size
>::Elf_WXword v
)
1057 { this->p_
->sh_flags
= Convert
<size
, big_endian
>::convert_host(v
); }
1060 put_sh_addr(typename Elf_types
<size
>::Elf_Addr v
)
1061 { this->p_
->sh_addr
= Convert
<size
, big_endian
>::convert_host(v
); }
1064 put_sh_offset(typename Elf_types
<size
>::Elf_Off v
)
1065 { this->p_
->sh_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1068 put_sh_size(typename Elf_types
<size
>::Elf_WXword v
)
1069 { this->p_
->sh_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1072 put_sh_link(Elf_Word v
)
1073 { this->p_
->sh_link
= Convert
<32, big_endian
>::convert_host(v
); }
1076 put_sh_info(Elf_Word v
)
1077 { this->p_
->sh_info
= Convert
<32, big_endian
>::convert_host(v
); }
1080 put_sh_addralign(typename Elf_types
<size
>::Elf_WXword v
)
1081 { this->p_
->sh_addralign
= Convert
<size
, big_endian
>::convert_host(v
); }
1084 put_sh_entsize(typename Elf_types
<size
>::Elf_WXword v
)
1085 { this->p_
->sh_entsize
= Convert
<size
, big_endian
>::convert_host(v
); }
1088 internal::Shdr_data
<size
>* p_
;
1091 // Accessor class for an ELF segment header.
1093 template<int size
, bool big_endian
>
1097 Phdr(const unsigned char* p
)
1098 : p_(reinterpret_cast<const internal::Phdr_data
<size
>*>(p
))
1101 template<typename File
>
1102 Phdr(File
* file
, typename
File::Location loc
)
1103 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(
1104 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1109 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_type
); }
1111 typename Elf_types
<size
>::Elf_Off
1112 get_p_offset() const
1113 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_offset
); }
1115 typename Elf_types
<size
>::Elf_Addr
1117 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_vaddr
); }
1119 typename Elf_types
<size
>::Elf_Addr
1121 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_paddr
); }
1123 typename Elf_types
<size
>::Elf_WXword
1124 get_p_filesz() const
1125 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_filesz
); }
1127 typename Elf_types
<size
>::Elf_WXword
1129 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_memsz
); }
1133 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_flags
); }
1135 typename Elf_types
<size
>::Elf_WXword
1137 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_align
); }
1140 const internal::Phdr_data
<size
>* p_
;
1143 // Write class for an ELF segment header.
1145 template<int size
, bool big_endian
>
1149 Phdr_write(unsigned char* p
)
1150 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(p
))
1154 put_p_type(Elf_Word v
)
1155 { this->p_
->p_type
= Convert
<32, big_endian
>::convert_host(v
); }
1158 put_p_offset(typename Elf_types
<size
>::Elf_Off v
)
1159 { this->p_
->p_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1162 put_p_vaddr(typename Elf_types
<size
>::Elf_Addr v
)
1163 { this->p_
->p_vaddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1166 put_p_paddr(typename Elf_types
<size
>::Elf_Addr v
)
1167 { this->p_
->p_paddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1170 put_p_filesz(typename Elf_types
<size
>::Elf_WXword v
)
1171 { this->p_
->p_filesz
= Convert
<size
, big_endian
>::convert_host(v
); }
1174 put_p_memsz(typename Elf_types
<size
>::Elf_WXword v
)
1175 { this->p_
->p_memsz
= Convert
<size
, big_endian
>::convert_host(v
); }
1178 put_p_flags(Elf_Word v
)
1179 { this->p_
->p_flags
= Convert
<32, big_endian
>::convert_host(v
); }
1182 put_p_align(typename Elf_types
<size
>::Elf_WXword v
)
1183 { this->p_
->p_align
= Convert
<size
, big_endian
>::convert_host(v
); }
1186 internal::Phdr_data
<size
>* p_
;
1189 // Accessor class for an ELF symbol table entry.
1191 template<int size
, bool big_endian
>
1195 Sym(const unsigned char* p
)
1196 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(p
))
1199 template<typename File
>
1200 Sym(File
* file
, typename
File::Location loc
)
1201 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(
1202 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1207 { return Convert
<32, big_endian
>::convert_host(this->p_
->st_name
); }
1209 typename Elf_types
<size
>::Elf_Addr
1210 get_st_value() const
1211 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_value
); }
1213 typename Elf_types
<size
>::Elf_WXword
1215 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_size
); }
1219 { return this->p_
->st_info
; }
1223 { return elf_st_bind(this->get_st_info()); }
1227 { return elf_st_type(this->get_st_info()); }
1230 get_st_other() const
1231 { return this->p_
->st_other
; }
1234 get_st_visibility() const
1235 { return elf_st_visibility(this->get_st_other()); }
1238 get_st_nonvis() const
1239 { return elf_st_nonvis(this->get_st_other()); }
1242 get_st_shndx() const
1243 { return Convert
<16, big_endian
>::convert_host(this->p_
->st_shndx
); }
1246 const internal::Sym_data
<size
>* p_
;
1249 // Writer class for an ELF symbol table entry.
1251 template<int size
, bool big_endian
>
1255 Sym_write(unsigned char* p
)
1256 : p_(reinterpret_cast<internal::Sym_data
<size
>*>(p
))
1260 put_st_name(Elf_Word v
)
1261 { this->p_
->st_name
= Convert
<32, big_endian
>::convert_host(v
); }
1264 put_st_value(typename Elf_types
<size
>::Elf_Addr v
)
1265 { this->p_
->st_value
= Convert
<size
, big_endian
>::convert_host(v
); }
1268 put_st_size(typename Elf_types
<size
>::Elf_WXword v
)
1269 { this->p_
->st_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1272 put_st_info(unsigned char v
)
1273 { this->p_
->st_info
= v
; }
1276 put_st_info(STB bind
, STT type
)
1277 { this->p_
->st_info
= elf_st_info(bind
, type
); }
1280 put_st_other(unsigned char v
)
1281 { this->p_
->st_other
= v
; }
1284 put_st_other(STV vis
, unsigned char nonvis
)
1285 { this->p_
->st_other
= elf_st_other(vis
, nonvis
); }
1288 put_st_shndx(Elf_Half v
)
1289 { this->p_
->st_shndx
= Convert
<16, big_endian
>::convert_host(v
); }
1291 Sym
<size
, big_endian
>
1293 { return Sym
<size
, big_endian
>(reinterpret_cast<unsigned char*>(this->p_
)); }
1296 internal::Sym_data
<size
>* p_
;
1299 // Accessor classes for an ELF REL relocation entry.
1301 template<int size
, bool big_endian
>
1305 Rel(const unsigned char* p
)
1306 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(p
))
1309 template<typename File
>
1310 Rel(File
* file
, typename
File::Location loc
)
1311 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(
1312 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1315 typename Elf_types
<size
>::Elf_Addr
1316 get_r_offset() const
1317 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_offset
); }
1319 typename Elf_types
<size
>::Elf_WXword
1321 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_info
); }
1324 const internal::Rel_data
<size
>* p_
;
1327 // Writer class for an ELF Rel relocation.
1329 template<int size
, bool big_endian
>
1333 Rel_write(unsigned char* p
)
1334 : p_(reinterpret_cast<internal::Rel_data
<size
>*>(p
))
1338 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1339 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1342 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1343 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1346 internal::Rel_data
<size
>* p_
;
1349 // Accessor class for an ELF Rela relocation.
1351 template<int size
, bool big_endian
>
1355 Rela(const unsigned char* p
)
1356 : p_(reinterpret_cast<const internal::Rela_data
<size
>*>(p
))
1359 template<typename File
>
1360 Rela(File
* file
, typename
File::Location loc
)
1361 : p_(reinterpret_cast<const internal::Rela_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
); }
1373 typename Elf_types
<size
>::Elf_Swxword
1374 get_r_addend() const
1375 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_addend
); }
1378 const internal::Rela_data
<size
>* p_
;
1381 // Writer class for an ELF Rela relocation.
1383 template<int size
, bool big_endian
>
1387 Rela_write(unsigned char* p
)
1388 : p_(reinterpret_cast<internal::Rela_data
<size
>*>(p
))
1392 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1393 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1396 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1397 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1400 put_r_addend(typename Elf_types
<size
>::Elf_Swxword v
)
1401 { this->p_
->r_addend
= Convert
<size
, big_endian
>::convert_host(v
); }
1404 internal::Rela_data
<size
>* p_
;
1407 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1408 // PT_DYNAMIC segment.
1410 template<int size
, bool big_endian
>
1414 Dyn(const unsigned char* p
)
1415 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(p
))
1418 template<typename File
>
1419 Dyn(File
* file
, typename
File::Location loc
)
1420 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(
1421 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1424 typename Elf_types
<size
>::Elf_Swxword
1426 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_tag
); }
1428 typename Elf_types
<size
>::Elf_WXword
1430 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1432 typename Elf_types
<size
>::Elf_Addr
1434 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1437 const internal::Dyn_data
<size
>* p_
;
1440 // Write class for an entry in the SHT_DYNAMIC section.
1442 template<int size
, bool big_endian
>
1446 Dyn_write(unsigned char* p
)
1447 : p_(reinterpret_cast<internal::Dyn_data
<size
>*>(p
))
1451 put_d_tag(typename Elf_types
<size
>::Elf_Swxword v
)
1452 { this->p_
->d_tag
= Convert
<size
, big_endian
>::convert_host(v
); }
1455 put_d_val(typename Elf_types
<size
>::Elf_WXword v
)
1456 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1459 put_d_ptr(typename Elf_types
<size
>::Elf_Addr v
)
1460 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1463 internal::Dyn_data
<size
>* p_
;
1466 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1468 template<int size
, bool big_endian
>
1472 Verdef(const unsigned char* p
)
1473 : p_(reinterpret_cast<const internal::Verdef_data
*>(p
))
1476 template<typename File
>
1477 Verdef(File
* file
, typename
File::Location loc
)
1478 : p_(reinterpret_cast<const internal::Verdef_data
*>(
1479 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1483 get_vd_version() const
1484 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_version
); }
1487 get_vd_flags() const
1488 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_flags
); }
1492 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_ndx
); }
1496 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_cnt
); }
1500 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_hash
); }
1504 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_aux
); }
1508 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_next
); }
1511 const internal::Verdef_data
* p_
;
1514 template<int size
, bool big_endian
>
1518 Verdef_write(unsigned char* p
)
1519 : p_(reinterpret_cast<internal::Verdef_data
*>(p
))
1523 set_vd_version(Elf_Half v
)
1524 { this->p_
->vd_version
= Convert
<16, big_endian
>::convert_host(v
); }
1527 set_vd_flags(Elf_Half v
)
1528 { this->p_
->vd_flags
= Convert
<16, big_endian
>::convert_host(v
); }
1531 set_vd_ndx(Elf_Half v
)
1532 { this->p_
->vd_ndx
= Convert
<16, big_endian
>::convert_host(v
); }
1535 set_vd_cnt(Elf_Half v
)
1536 { this->p_
->vd_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
1539 set_vd_hash(Elf_Word v
)
1540 { this->p_
->vd_hash
= Convert
<32, big_endian
>::convert_host(v
); }
1543 set_vd_aux(Elf_Word v
)
1544 { this->p_
->vd_aux
= Convert
<32, big_endian
>::convert_host(v
); }
1547 set_vd_next(Elf_Word v
)
1548 { this->p_
->vd_next
= Convert
<32, big_endian
>::convert_host(v
); }
1551 internal::Verdef_data
* p_
;
1554 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1557 template<int size
, bool big_endian
>
1561 Verdaux(const unsigned char* p
)
1562 : p_(reinterpret_cast<const internal::Verdaux_data
*>(p
))
1565 template<typename File
>
1566 Verdaux(File
* file
, typename
File::Location loc
)
1567 : p_(reinterpret_cast<const internal::Verdaux_data
*>(
1568 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1572 get_vda_name() const
1573 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_name
); }
1576 get_vda_next() const
1577 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_next
); }
1580 const internal::Verdaux_data
* p_
;
1583 template<int size
, bool big_endian
>
1587 Verdaux_write(unsigned char* p
)
1588 : p_(reinterpret_cast<internal::Verdaux_data
*>(p
))
1592 set_vda_name(Elf_Word v
)
1593 { this->p_
->vda_name
= Convert
<32, big_endian
>::convert_host(v
); }
1596 set_vda_next(Elf_Word v
)
1597 { this->p_
->vda_next
= Convert
<32, big_endian
>::convert_host(v
); }
1600 internal::Verdaux_data
* p_
;
1603 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1605 template<int size
, bool big_endian
>
1609 Verneed(const unsigned char* p
)
1610 : p_(reinterpret_cast<const internal::Verneed_data
*>(p
))
1613 template<typename File
>
1614 Verneed(File
* file
, typename
File::Location loc
)
1615 : p_(reinterpret_cast<const internal::Verneed_data
*>(
1616 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1620 get_vn_version() const
1621 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_version
); }
1625 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_cnt
); }
1629 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_file
); }
1633 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_aux
); }
1637 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_next
); }
1640 const internal::Verneed_data
* p_
;
1643 template<int size
, bool big_endian
>
1647 Verneed_write(unsigned char* p
)
1648 : p_(reinterpret_cast<internal::Verneed_data
*>(p
))
1652 set_vn_version(Elf_Half v
)
1653 { this->p_
->vn_version
= Convert
<16, big_endian
>::convert_host(v
); }
1656 set_vn_cnt(Elf_Half v
)
1657 { this->p_
->vn_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
1660 set_vn_file(Elf_Word v
)
1661 { this->p_
->vn_file
= Convert
<32, big_endian
>::convert_host(v
); }
1664 set_vn_aux(Elf_Word v
)
1665 { this->p_
->vn_aux
= Convert
<32, big_endian
>::convert_host(v
); }
1668 set_vn_next(Elf_Word v
)
1669 { this->p_
->vn_next
= Convert
<32, big_endian
>::convert_host(v
); }
1672 internal::Verneed_data
* p_
;
1675 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1678 template<int size
, bool big_endian
>
1682 Vernaux(const unsigned char* p
)
1683 : p_(reinterpret_cast<const internal::Vernaux_data
*>(p
))
1686 template<typename File
>
1687 Vernaux(File
* file
, typename
File::Location loc
)
1688 : p_(reinterpret_cast<const internal::Vernaux_data
*>(
1689 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1693 get_vna_hash() const
1694 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_hash
); }
1697 get_vna_flags() const
1698 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_flags
); }
1701 get_vna_other() const
1702 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_other
); }
1705 get_vna_name() const
1706 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_name
); }
1709 get_vna_next() const
1710 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_next
); }
1713 const internal::Vernaux_data
* p_
;
1716 template<int size
, bool big_endian
>
1720 Vernaux_write(unsigned char* p
)
1721 : p_(reinterpret_cast<internal::Vernaux_data
*>(p
))
1725 set_vna_hash(Elf_Word v
)
1726 { this->p_
->vna_hash
= Convert
<32, big_endian
>::convert_host(v
); }
1729 set_vna_flags(Elf_Half v
)
1730 { this->p_
->vna_flags
= Convert
<16, big_endian
>::convert_host(v
); }
1733 set_vna_other(Elf_Half v
)
1734 { this->p_
->vna_other
= Convert
<16, big_endian
>::convert_host(v
); }
1737 set_vna_name(Elf_Word v
)
1738 { this->p_
->vna_name
= Convert
<32, big_endian
>::convert_host(v
); }
1741 set_vna_next(Elf_Word v
)
1742 { this->p_
->vna_next
= Convert
<32, big_endian
>::convert_host(v
); }
1745 internal::Vernaux_data
* p_
;
1748 } // End namespace elfcpp.
1750 #endif // !defined(ELFPCP_H)