1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
3 // Copyright 2006, 2007, 2008, 2009, 2010, 2011, 2012
4 // Free Software Foundation, Inc.
5 // Written by Ian Lance Taylor <iant@google.com>.
7 // This file is part of elfcpp.
9 // This program is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Library General Public License
11 // as published by the Free Software Foundation; either version 2, or
12 // (at your option) any later version.
14 // In addition to the permissions in the GNU Library General Public
15 // License, the Free Software Foundation gives you unlimited
16 // permission to link the compiled version of this file into
17 // combinations with other programs, and to distribute those
18 // combinations without any restriction coming from the use of this
19 // file. (The Library Public License restrictions do apply in other
20 // respects; for example, they cover modification of the file, and
21 // distribution when not linked into a combined executable.)
23 // This program is distributed in the hope that it will be useful, but
24 // WITHOUT ANY WARRANTY; without even the implied warranty of
25 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 // Library General Public License for more details.
28 // You should have received a copy of the GNU Library General Public
29 // License along with this program; if not, write to the Free Software
30 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
33 // This is the external interface for elfcpp.
38 #include "elfcpp_swap.h"
47 // These types are always the same size.
49 typedef uint16_t Elf_Half;
50 typedef uint32_t Elf_Word;
51 typedef int32_t Elf_Sword;
52 typedef uint64_t Elf_Xword;
53 typedef int64_t Elf_Sxword;
55 // These types vary in size depending on the ELF file class. The
56 // template parameter should be 32 or 64.
64 typedef uint32_t Elf_Addr;
65 typedef uint32_t Elf_Off;
66 typedef uint32_t Elf_WXword;
67 typedef int32_t Elf_Swxword;
73 typedef uint64_t Elf_Addr;
74 typedef uint64_t Elf_Off;
75 typedef uint64_t Elf_WXword;
76 typedef int64_t Elf_Swxword;
79 // Offsets within the Ehdr e_ident field.
81 const int EI_MAG0 = 0;
82 const int EI_MAG1 = 1;
83 const int EI_MAG2 = 2;
84 const int EI_MAG3 = 3;
85 const int EI_CLASS = 4;
86 const int EI_DATA = 5;
87 const int EI_VERSION = 6;
88 const int EI_OSABI = 7;
89 const int EI_ABIVERSION = 8;
91 const int EI_NIDENT = 16;
93 // The valid values found in Ehdr e_ident[EI_MAG0 through EI_MAG3].
95 const int ELFMAG0 = 0x7f;
96 const int ELFMAG1 = 'E';
97 const int ELFMAG2 = 'L';
98 const int ELFMAG3 = 'F';
100 // The valid values found in Ehdr e_ident[EI_CLASS].
109 // The valid values found in Ehdr e_ident[EI_DATA].
118 // The valid values found in Ehdr e_ident[EI_VERSION] and e_version.
126 // The valid values found in Ehdr e_ident[EI_OSABI].
134 // ELFOSABI_LINUX is an alias for ELFOSABI_GNU.
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 // A special value found in the Ehdr e_phnum field.
309 // Number of program segments stored in sh_info field of first
314 // Special section indices.
319 SHN_LORESERVE = 0xff00,
327 SHN_HIRESERVE = 0xffff,
329 // Provide for initial and final section ordering in conjunction
330 // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
334 // x86_64 specific large common symbol.
335 SHN_X86_64_LCOMMON = 0xff02
338 // The valid values found in the Shdr sh_type field.
356 SHT_PREINIT_ARRAY = 16,
358 SHT_SYMTAB_SHNDX = 18,
359 SHT_LOOS = 0x60000000,
360 SHT_HIOS = 0x6fffffff,
361 SHT_LOPROC = 0x70000000,
362 SHT_HIPROC = 0x7fffffff,
363 SHT_LOUSER = 0x80000000,
364 SHT_HIUSER = 0xffffffff,
365 // The remaining values are not in the standard.
366 // Incremental build data.
367 SHT_GNU_INCREMENTAL_INPUTS = 0x6fff4700,
368 SHT_GNU_INCREMENTAL_SYMTAB = 0x6fff4701,
369 SHT_GNU_INCREMENTAL_RELOCS = 0x6fff4702,
370 SHT_GNU_INCREMENTAL_GOT_PLT = 0x6fff4703,
371 // Object attributes.
372 SHT_GNU_ATTRIBUTES = 0x6ffffff5,
373 // GNU style dynamic hash table.
374 SHT_GNU_HASH = 0x6ffffff6,
375 // List of prelink dependencies.
376 SHT_GNU_LIBLIST = 0x6ffffff7,
377 // Versions defined by file.
378 SHT_SUNW_verdef = 0x6ffffffd,
379 SHT_GNU_verdef = 0x6ffffffd,
380 // Versions needed by file.
381 SHT_SUNW_verneed = 0x6ffffffe,
382 SHT_GNU_verneed = 0x6ffffffe,
384 SHT_SUNW_versym = 0x6fffffff,
385 SHT_GNU_versym = 0x6fffffff,
387 SHT_SPARC_GOTDATA = 0x70000000,
389 // ARM-specific section types.
390 // Exception Index table.
391 SHT_ARM_EXIDX = 0x70000001,
392 // BPABI DLL dynamic linking pre-emption map.
393 SHT_ARM_PREEMPTMAP = 0x70000002,
394 // Object file compatibility attributes.
395 SHT_ARM_ATTRIBUTES = 0x70000003,
396 // Support for debugging overlaid programs.
397 SHT_ARM_DEBUGOVERLAY = 0x70000004,
398 SHT_ARM_OVERLAYSECTION = 0x70000005,
400 // x86_64 unwind information.
401 SHT_X86_64_UNWIND = 0x70000001,
403 // Link editor is to sort the entries in this section based on the
404 // address specified in the associated symbol table entry.
405 SHT_ORDERED = 0x7fffffff
408 // The valid bit flags found in the Shdr sh_flags field.
417 SHF_INFO_LINK = 0x40,
418 SHF_LINK_ORDER = 0x80,
419 SHF_OS_NONCONFORMING = 0x100,
422 SHF_MASKOS = 0x0ff00000,
423 SHF_MASKPROC = 0xf0000000,
425 // Indicates this section requires ordering in relation to
426 // other sections of the same type. Ordered sections are
427 // combined within the section pointed to by the sh_link entry.
428 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
429 // sorted section is to precede or follow, respectively, all
430 // other sections in the set being ordered.
431 SHF_ORDERED = 0x40000000,
432 // This section is excluded from input to the link-edit of an
433 // executable or shared object. This flag is ignored if SHF_ALLOC
434 // is also set, or if relocations exist against the section.
435 SHF_EXCLUDE = 0x80000000,
437 // x86_64 specific large section.
438 SHF_X86_64_LARGE = 0x10000000
441 // Bit flags which appear in the first 32-bit word of the section data
442 // of a SHT_GROUP section.
447 GRP_MASKOS = 0x0ff00000,
448 GRP_MASKPROC = 0xf0000000
451 // The valid values found in the Phdr p_type field.
463 PT_LOOS = 0x60000000,
464 PT_HIOS = 0x6fffffff,
465 PT_LOPROC = 0x70000000,
466 PT_HIPROC = 0x7fffffff,
467 // The remaining values are not in the standard.
468 // Frame unwind information.
469 PT_GNU_EH_FRAME = 0x6474e550,
470 PT_SUNW_EH_FRAME = 0x6474e550,
472 PT_GNU_STACK = 0x6474e551,
473 // Read only after relocation.
474 PT_GNU_RELRO = 0x6474e552,
475 // Platform architecture compatibility information
476 PT_ARM_ARCHEXT = 0x70000000,
477 // Exception unwind tables
478 PT_ARM_EXIDX = 0x70000001
481 // The valid bit flags found in the Phdr p_flags field.
488 PF_MASKOS = 0x0ff00000,
489 PF_MASKPROC = 0xf0000000
492 // Symbol binding from Sym st_info field.
506 // Symbol types from Sym st_info field.
518 // GNU extension: symbol value points to a function which is called
519 // at runtime to determine the final value of the symbol.
527 // The section type that must be used for register symbols on
528 // Sparc. These symbols initialize a global register.
529 STT_SPARC_REGISTER = 13,
531 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
532 // used by the GNU tool-chain.
537 elf_st_bind(unsigned char info)
539 return static_cast<STB>(info >> 4);
543 elf_st_type(unsigned char info)
545 return static_cast<STT>(info & 0xf);
549 elf_st_info(STB bind, STT type)
551 return ((static_cast<unsigned char>(bind) << 4)
552 + (static_cast<unsigned char>(type) & 0xf));
555 // Symbol visibility from Sym st_other field.
566 elf_st_visibility(unsigned char other)
568 return static_cast<STV>(other & 0x3);
572 elf_st_nonvis(unsigned char other)
574 return static_cast<STV>(other >> 2);
578 elf_st_other(STV vis, unsigned char nonvis)
580 return ((nonvis << 2)
581 + (static_cast<unsigned char>(vis) & 3));
584 // Reloc information from Rel/Rela r_info field.
588 elf_r_sym(typename Elf_types<size>::Elf_WXword);
592 elf_r_sym<32>(Elf_Word v)
599 elf_r_sym<64>(Elf_Xword v)
606 elf_r_type(typename Elf_types<size>::Elf_WXword);
610 elf_r_type<32>(Elf_Word v)
617 elf_r_type<64>(Elf_Xword v)
619 return v & 0xffffffff;
623 typename Elf_types<size>::Elf_WXword
624 elf_r_info(unsigned int s, unsigned int t);
628 elf_r_info<32>(unsigned int s, unsigned int t)
630 return (s << 8) + (t & 0xff);
635 elf_r_info<64>(unsigned int s, unsigned int t)
637 return (static_cast<Elf_Xword>(s) << 32) + (t & 0xffffffff);
640 // Dynamic tags found in the PT_DYNAMIC segment.
671 DT_INIT_ARRAYSZ = 27,
672 DT_FINI_ARRAYSZ = 28,
676 // This is used to mark a range of dynamic tags. It is not really
680 DT_PREINIT_ARRAY = 32,
681 DT_PREINIT_ARRAYSZ = 33,
682 DT_LOOS = 0x6000000d,
683 DT_HIOS = 0x6ffff000,
684 DT_LOPROC = 0x70000000,
685 DT_HIPROC = 0x7fffffff,
687 // The remaining values are extensions used by GNU or Solaris.
688 DT_VALRNGLO = 0x6ffffd00,
689 DT_GNU_PRELINKED = 0x6ffffdf5,
690 DT_GNU_CONFLICTSZ = 0x6ffffdf6,
691 DT_GNU_LIBLISTSZ = 0x6ffffdf7,
692 DT_CHECKSUM = 0x6ffffdf8,
693 DT_PLTPADSZ = 0x6ffffdf9,
694 DT_MOVEENT = 0x6ffffdfa,
695 DT_MOVESZ = 0x6ffffdfb,
696 DT_FEATURE = 0x6ffffdfc,
697 DT_POSFLAG_1 = 0x6ffffdfd,
698 DT_SYMINSZ = 0x6ffffdfe,
699 DT_SYMINENT = 0x6ffffdff,
700 DT_VALRNGHI = 0x6ffffdff,
702 DT_ADDRRNGLO = 0x6ffffe00,
703 DT_GNU_HASH = 0x6ffffef5,
704 DT_TLSDESC_PLT = 0x6ffffef6,
705 DT_TLSDESC_GOT = 0x6ffffef7,
706 DT_GNU_CONFLICT = 0x6ffffef8,
707 DT_GNU_LIBLIST = 0x6ffffef9,
708 DT_CONFIG = 0x6ffffefa,
709 DT_DEPAUDIT = 0x6ffffefb,
710 DT_AUDIT = 0x6ffffefc,
711 DT_PLTPAD = 0x6ffffefd,
712 DT_MOVETAB = 0x6ffffefe,
713 DT_SYMINFO = 0x6ffffeff,
714 DT_ADDRRNGHI = 0x6ffffeff,
716 DT_RELACOUNT = 0x6ffffff9,
717 DT_RELCOUNT = 0x6ffffffa,
718 DT_FLAGS_1 = 0x6ffffffb,
719 DT_VERDEF = 0x6ffffffc,
720 DT_VERDEFNUM = 0x6ffffffd,
721 DT_VERNEED = 0x6ffffffe,
722 DT_VERNEEDNUM = 0x6fffffff,
724 DT_VERSYM = 0x6ffffff0,
726 // Specify the value of _GLOBAL_OFFSET_TABLE_.
727 DT_PPC_GOT = 0x70000000,
729 // Specify the start of the .glink section.
730 DT_PPC64_GLINK = 0x70000000,
732 // Specify the start and size of the .opd section.
733 DT_PPC64_OPD = 0x70000001,
734 DT_PPC64_OPDSZ = 0x70000002,
736 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
737 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
738 // symbol in the symbol table.
739 DT_SPARC_REGISTER = 0x70000001,
741 DT_AUXILIARY = 0x7ffffffd,
742 DT_USED = 0x7ffffffe,
743 DT_FILTER = 0x7fffffff
746 // Flags found in the DT_FLAGS dynamic element.
757 // Flags found in the DT_FLAGS_1 dynamic element.
765 DF_1_LOADFLTR = 0x10,
766 DF_1_INITFIRST = 0x20,
771 DF_1_INTERPOSE = 0x400,
772 DF_1_NODEFLIB = 0x800,
773 DF_1_NODUMP = 0x1000,
774 DF_1_CONLFAT = 0x2000
777 // Version numbers which appear in the vd_version field of a Verdef
780 const int VER_DEF_NONE = 0;
781 const int VER_DEF_CURRENT = 1;
783 // Version numbers which appear in the vn_version field of a Verneed
786 const int VER_NEED_NONE = 0;
787 const int VER_NEED_CURRENT = 1;
789 // Bit flags which appear in vd_flags of Verdef and vna_flags of
792 const int VER_FLG_BASE = 0x1;
793 const int VER_FLG_WEAK = 0x2;
794 const int VER_FLG_INFO = 0x4;
796 // Special constants found in the SHT_GNU_versym entries.
798 const int VER_NDX_LOCAL = 0;
799 const int VER_NDX_GLOBAL = 1;
801 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
802 // the symbol is hidden and can only be seen when referenced using an
803 // explicit version number. This is a GNU extension.
805 const int VERSYM_HIDDEN = 0x8000;
807 // This is the mask for the rest of the data in a word read from a
808 // SHT_GNU_versym section.
810 const int VERSYM_VERSION = 0x7fff;
812 // Note descriptor type codes for notes in a non-core file with an
819 // An architecture string.
823 // Note descriptor type codes for notes in a non-core file with the
828 // The minimum ABI level. This is used by the dynamic linker to
829 // describe the minimal kernel version on which a shared library may
830 // be used. Th value should be four words. Word 0 is an OS
831 // descriptor (see below). Word 1 is the major version of the ABI.
832 // Word 2 is the minor version. Word 3 is the subminor version.
834 // Hardware capabilities information. Word 0 is the number of
835 // entries. Word 1 is a bitmask of enabled entries. The rest of
836 // the descriptor is a series of entries, where each entry is a
837 // single byte followed by a nul terminated string. The byte gives
838 // the bit number to test if enabled in the bitmask.
840 // The build ID as set by the linker's --build-id option. The
841 // format of the descriptor depends on the build ID style.
843 // The version of gold used to link. Th descriptor is just a
845 NT_GNU_GOLD_VERSION = 4
848 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
852 ELF_NOTE_OS_LINUX = 0,
854 ELF_NOTE_OS_SOLARIS2 = 2,
855 ELF_NOTE_OS_FREEBSD = 3,
856 ELF_NOTE_OS_NETBSD = 4,
857 ELF_NOTE_OS_SYLLABLE = 5
860 } // End namespace elfcpp.
862 // Include internal details after defining the types.
863 #include "elfcpp_internal.h"
868 // The offset of the ELF file header in the ELF file.
870 const int file_header_offset = 0;
872 // ELF structure sizes.
877 // Size of ELF file header.
878 static const int ehdr_size = sizeof(internal::Ehdr_data<size>);
879 // Size of ELF segment header.
880 static const int phdr_size = sizeof(internal::Phdr_data<size>);
881 // Size of ELF section header.
882 static const int shdr_size = sizeof(internal::Shdr_data<size>);
883 // Size of ELF symbol table entry.
884 static const int sym_size = sizeof(internal::Sym_data<size>);
885 // Sizes of ELF reloc entries.
886 static const int rel_size = sizeof(internal::Rel_data<size>);
887 static const int rela_size = sizeof(internal::Rela_data<size>);
888 // Size of ELF dynamic entry.
889 static const int dyn_size = sizeof(internal::Dyn_data<size>);
890 // Size of ELF version structures.
891 static const int verdef_size = sizeof(internal::Verdef_data);
892 static const int verdaux_size = sizeof(internal::Verdaux_data);
893 static const int verneed_size = sizeof(internal::Verneed_data);
894 static const int vernaux_size = sizeof(internal::Vernaux_data);
897 // Accessor class for the ELF file header.
899 template<int size, bool big_endian>
903 Ehdr(const unsigned char* p)
904 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(p))
907 template<typename File>
908 Ehdr(File* file, typename File::Location loc)
909 : p_(reinterpret_cast<const internal::Ehdr_data<size>*>(
910 file->view(loc.file_offset, loc.data_size).data()))
915 { return this->p_->e_ident; }
919 { return Convert<16, big_endian>::convert_host(this->p_->e_type); }
922 get_e_machine() const
923 { return Convert<16, big_endian>::convert_host(this->p_->e_machine); }
926 get_e_version() const
927 { return Convert<32, big_endian>::convert_host(this->p_->e_version); }
929 typename Elf_types<size>::Elf_Addr
931 { return Convert<size, big_endian>::convert_host(this->p_->e_entry); }
933 typename Elf_types<size>::Elf_Off
935 { return Convert<size, big_endian>::convert_host(this->p_->e_phoff); }
937 typename Elf_types<size>::Elf_Off
939 { return Convert<size, big_endian>::convert_host(this->p_->e_shoff); }
943 { return Convert<32, big_endian>::convert_host(this->p_->e_flags); }
947 { return Convert<16, big_endian>::convert_host(this->p_->e_ehsize); }
950 get_e_phentsize() const
951 { return Convert<16, big_endian>::convert_host(this->p_->e_phentsize); }
955 { return Convert<16, big_endian>::convert_host(this->p_->e_phnum); }
958 get_e_shentsize() const
959 { return Convert<16, big_endian>::convert_host(this->p_->e_shentsize); }
963 { return Convert<16, big_endian>::convert_host(this->p_->e_shnum); }
966 get_e_shstrndx() const
967 { return Convert<16, big_endian>::convert_host(this->p_->e_shstrndx); }
970 const internal::Ehdr_data<size>* p_;
973 // Write class for the ELF file header.
975 template<int size, bool big_endian>
979 Ehdr_write(unsigned char* p)
980 : p_(reinterpret_cast<internal::Ehdr_data<size>*>(p))
984 put_e_ident(const unsigned char v[EI_NIDENT]) const
985 { memcpy(this->p_->e_ident, v, EI_NIDENT); }
988 put_e_type(Elf_Half v)
989 { this->p_->e_type = Convert<16, big_endian>::convert_host(v); }
992 put_e_machine(Elf_Half v)
993 { this->p_->e_machine = Convert<16, big_endian>::convert_host(v); }
996 put_e_version(Elf_Word v)
997 { this->p_->e_version = Convert<32, big_endian>::convert_host(v); }
1000 put_e_entry(typename Elf_types<size>::Elf_Addr v)
1001 { this->p_->e_entry = Convert<size, big_endian>::convert_host(v); }
1004 put_e_phoff(typename Elf_types<size>::Elf_Off v)
1005 { this->p_->e_phoff = Convert<size, big_endian>::convert_host(v); }
1008 put_e_shoff(typename Elf_types<size>::Elf_Off v)
1009 { this->p_->e_shoff = Convert<size, big_endian>::convert_host(v); }
1012 put_e_flags(Elf_Word v)
1013 { this->p_->e_flags = Convert<32, big_endian>::convert_host(v); }
1016 put_e_ehsize(Elf_Half v)
1017 { this->p_->e_ehsize = Convert<16, big_endian>::convert_host(v); }
1020 put_e_phentsize(Elf_Half v)
1021 { this->p_->e_phentsize = Convert<16, big_endian>::convert_host(v); }
1024 put_e_phnum(Elf_Half v)
1025 { this->p_->e_phnum = Convert<16, big_endian>::convert_host(v); }
1028 put_e_shentsize(Elf_Half v)
1029 { this->p_->e_shentsize = Convert<16, big_endian>::convert_host(v); }
1032 put_e_shnum(Elf_Half v)
1033 { this->p_->e_shnum = Convert<16, big_endian>::convert_host(v); }
1036 put_e_shstrndx(Elf_Half v)
1037 { this->p_->e_shstrndx = Convert<16, big_endian>::convert_host(v); }
1040 internal::Ehdr_data<size>* p_;
1043 // Accessor class for an ELF section header.
1045 template<int size, bool big_endian>
1049 Shdr(const unsigned char* p)
1050 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(p))
1053 template<typename File>
1054 Shdr(File* file, typename File::Location loc)
1055 : p_(reinterpret_cast<const internal::Shdr_data<size>*>(
1056 file->view(loc.file_offset, loc.data_size).data()))
1061 { return Convert<32, big_endian>::convert_host(this->p_->sh_name); }
1065 { return Convert<32, big_endian>::convert_host(this->p_->sh_type); }
1067 typename Elf_types<size>::Elf_WXword
1068 get_sh_flags() const
1069 { return Convert<size, big_endian>::convert_host(this->p_->sh_flags); }
1071 typename Elf_types<size>::Elf_Addr
1073 { return Convert<size, big_endian>::convert_host(this->p_->sh_addr); }
1075 typename Elf_types<size>::Elf_Off
1076 get_sh_offset() const
1077 { return Convert<size, big_endian>::convert_host(this->p_->sh_offset); }
1079 typename Elf_types<size>::Elf_WXword
1081 { return Convert<size, big_endian>::convert_host(this->p_->sh_size); }
1085 { return Convert<32, big_endian>::convert_host(this->p_->sh_link); }
1089 { return Convert<32, big_endian>::convert_host(this->p_->sh_info); }
1091 typename Elf_types<size>::Elf_WXword
1092 get_sh_addralign() const
1094 Convert<size, big_endian>::convert_host(this->p_->sh_addralign); }
1096 typename Elf_types<size>::Elf_WXword
1097 get_sh_entsize() const
1098 { return Convert<size, big_endian>::convert_host(this->p_->sh_entsize); }
1101 const internal::Shdr_data<size>* p_;
1104 // Write class for an ELF section header.
1106 template<int size, bool big_endian>
1110 Shdr_write(unsigned char* p)
1111 : p_(reinterpret_cast<internal::Shdr_data<size>*>(p))
1115 put_sh_name(Elf_Word v)
1116 { this->p_->sh_name = Convert<32, big_endian>::convert_host(v); }
1119 put_sh_type(Elf_Word v)
1120 { this->p_->sh_type = Convert<32, big_endian>::convert_host(v); }
1123 put_sh_flags(typename Elf_types<size>::Elf_WXword v)
1124 { this->p_->sh_flags = Convert<size, big_endian>::convert_host(v); }
1127 put_sh_addr(typename Elf_types<size>::Elf_Addr v)
1128 { this->p_->sh_addr = Convert<size, big_endian>::convert_host(v); }
1131 put_sh_offset(typename Elf_types<size>::Elf_Off v)
1132 { this->p_->sh_offset = Convert<size, big_endian>::convert_host(v); }
1135 put_sh_size(typename Elf_types<size>::Elf_WXword v)
1136 { this->p_->sh_size = Convert<size, big_endian>::convert_host(v); }
1139 put_sh_link(Elf_Word v)
1140 { this->p_->sh_link = Convert<32, big_endian>::convert_host(v); }
1143 put_sh_info(Elf_Word v)
1144 { this->p_->sh_info = Convert<32, big_endian>::convert_host(v); }
1147 put_sh_addralign(typename Elf_types<size>::Elf_WXword v)
1148 { this->p_->sh_addralign = Convert<size, big_endian>::convert_host(v); }
1151 put_sh_entsize(typename Elf_types<size>::Elf_WXword v)
1152 { this->p_->sh_entsize = Convert<size, big_endian>::convert_host(v); }
1155 internal::Shdr_data<size>* p_;
1158 // Accessor class for an ELF segment header.
1160 template<int size, bool big_endian>
1164 Phdr(const unsigned char* p)
1165 : p_(reinterpret_cast<const internal::Phdr_data<size>*>(p))
1168 template<typename File>
1169 Phdr(File* file, typename File::Location loc)
1170 : p_(reinterpret_cast<internal::Phdr_data<size>*>(
1171 file->view(loc.file_offset, loc.data_size).data()))
1176 { return Convert<32, big_endian>::convert_host(this->p_->p_type); }
1178 typename Elf_types<size>::Elf_Off
1179 get_p_offset() const
1180 { return Convert<size, big_endian>::convert_host(this->p_->p_offset); }
1182 typename Elf_types<size>::Elf_Addr
1184 { return Convert<size, big_endian>::convert_host(this->p_->p_vaddr); }
1186 typename Elf_types<size>::Elf_Addr
1188 { return Convert<size, big_endian>::convert_host(this->p_->p_paddr); }
1190 typename Elf_types<size>::Elf_WXword
1191 get_p_filesz() const
1192 { return Convert<size, big_endian>::convert_host(this->p_->p_filesz); }
1194 typename Elf_types<size>::Elf_WXword
1196 { return Convert<size, big_endian>::convert_host(this->p_->p_memsz); }
1200 { return Convert<32, big_endian>::convert_host(this->p_->p_flags); }
1202 typename Elf_types<size>::Elf_WXword
1204 { return Convert<size, big_endian>::convert_host(this->p_->p_align); }
1207 const internal::Phdr_data<size>* p_;
1210 // Write class for an ELF segment header.
1212 template<int size, bool big_endian>
1216 Phdr_write(unsigned char* p)
1217 : p_(reinterpret_cast<internal::Phdr_data<size>*>(p))
1221 put_p_type(Elf_Word v)
1222 { this->p_->p_type = Convert<32, big_endian>::convert_host(v); }
1225 put_p_offset(typename Elf_types<size>::Elf_Off v)
1226 { this->p_->p_offset = Convert<size, big_endian>::convert_host(v); }
1229 put_p_vaddr(typename Elf_types<size>::Elf_Addr v)
1230 { this->p_->p_vaddr = Convert<size, big_endian>::convert_host(v); }
1233 put_p_paddr(typename Elf_types<size>::Elf_Addr v)
1234 { this->p_->p_paddr = Convert<size, big_endian>::convert_host(v); }
1237 put_p_filesz(typename Elf_types<size>::Elf_WXword v)
1238 { this->p_->p_filesz = Convert<size, big_endian>::convert_host(v); }
1241 put_p_memsz(typename Elf_types<size>::Elf_WXword v)
1242 { this->p_->p_memsz = Convert<size, big_endian>::convert_host(v); }
1245 put_p_flags(Elf_Word v)
1246 { this->p_->p_flags = Convert<32, big_endian>::convert_host(v); }
1249 put_p_align(typename Elf_types<size>::Elf_WXword v)
1250 { this->p_->p_align = Convert<size, big_endian>::convert_host(v); }
1253 internal::Phdr_data<size>* p_;
1256 // Accessor class for an ELF symbol table entry.
1258 template<int size, bool big_endian>
1262 Sym(const unsigned char* p)
1263 : p_(reinterpret_cast<const internal::Sym_data<size>*>(p))
1266 template<typename File>
1267 Sym(File* file, typename File::Location loc)
1268 : p_(reinterpret_cast<const internal::Sym_data<size>*>(
1269 file->view(loc.file_offset, loc.data_size).data()))
1274 { return Convert<32, big_endian>::convert_host(this->p_->st_name); }
1276 typename Elf_types<size>::Elf_Addr
1277 get_st_value() const
1278 { return Convert<size, big_endian>::convert_host(this->p_->st_value); }
1280 typename Elf_types<size>::Elf_WXword
1282 { return Convert<size, big_endian>::convert_host(this->p_->st_size); }
1286 { return this->p_->st_info; }
1290 { return elf_st_bind(this->get_st_info()); }
1294 { return elf_st_type(this->get_st_info()); }
1297 get_st_other() const
1298 { return this->p_->st_other; }
1301 get_st_visibility() const
1302 { return elf_st_visibility(this->get_st_other()); }
1305 get_st_nonvis() const
1306 { return elf_st_nonvis(this->get_st_other()); }
1309 get_st_shndx() const
1310 { return Convert<16, big_endian>::convert_host(this->p_->st_shndx); }
1313 const internal::Sym_data<size>* p_;
1316 // Writer class for an ELF symbol table entry.
1318 template<int size, bool big_endian>
1322 Sym_write(unsigned char* p)
1323 : p_(reinterpret_cast<internal::Sym_data<size>*>(p))
1327 put_st_name(Elf_Word v)
1328 { this->p_->st_name = Convert<32, big_endian>::convert_host(v); }
1331 put_st_value(typename Elf_types<size>::Elf_Addr v)
1332 { this->p_->st_value = Convert<size, big_endian>::convert_host(v); }
1335 put_st_size(typename Elf_types<size>::Elf_WXword v)
1336 { this->p_->st_size = Convert<size, big_endian>::convert_host(v); }
1339 put_st_info(unsigned char v)
1340 { this->p_->st_info = v; }
1343 put_st_info(STB bind, STT type)
1344 { this->p_->st_info = elf_st_info(bind, type); }
1347 put_st_other(unsigned char v)
1348 { this->p_->st_other = v; }
1351 put_st_other(STV vis, unsigned char nonvis)
1352 { this->p_->st_other = elf_st_other(vis, nonvis); }
1355 put_st_shndx(Elf_Half v)
1356 { this->p_->st_shndx = Convert<16, big_endian>::convert_host(v); }
1358 Sym<size, big_endian>
1360 { return Sym<size, big_endian>(reinterpret_cast<unsigned char*>(this->p_)); }
1363 internal::Sym_data<size>* p_;
1366 // Accessor classes for an ELF REL relocation entry.
1368 template<int size, bool big_endian>
1372 Rel(const unsigned char* p)
1373 : p_(reinterpret_cast<const internal::Rel_data<size>*>(p))
1376 template<typename File>
1377 Rel(File* file, typename File::Location loc)
1378 : p_(reinterpret_cast<const internal::Rel_data<size>*>(
1379 file->view(loc.file_offset, loc.data_size).data()))
1382 typename Elf_types<size>::Elf_Addr
1383 get_r_offset() const
1384 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1386 typename Elf_types<size>::Elf_WXword
1388 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1391 const internal::Rel_data<size>* p_;
1394 // Writer class for an ELF Rel relocation.
1396 template<int size, bool big_endian>
1400 Rel_write(unsigned char* p)
1401 : p_(reinterpret_cast<internal::Rel_data<size>*>(p))
1405 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1406 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1409 put_r_info(typename Elf_types<size>::Elf_WXword v)
1410 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1413 internal::Rel_data<size>* p_;
1416 // Accessor class for an ELF Rela relocation.
1418 template<int size, bool big_endian>
1422 Rela(const unsigned char* p)
1423 : p_(reinterpret_cast<const internal::Rela_data<size>*>(p))
1426 template<typename File>
1427 Rela(File* file, typename File::Location loc)
1428 : p_(reinterpret_cast<const internal::Rela_data<size>*>(
1429 file->view(loc.file_offset, loc.data_size).data()))
1432 typename Elf_types<size>::Elf_Addr
1433 get_r_offset() const
1434 { return Convert<size, big_endian>::convert_host(this->p_->r_offset); }
1436 typename Elf_types<size>::Elf_WXword
1438 { return Convert<size, big_endian>::convert_host(this->p_->r_info); }
1440 typename Elf_types<size>::Elf_Swxword
1441 get_r_addend() const
1442 { return Convert<size, big_endian>::convert_host(this->p_->r_addend); }
1445 const internal::Rela_data<size>* p_;
1448 // Writer class for an ELF Rela relocation.
1450 template<int size, bool big_endian>
1454 Rela_write(unsigned char* p)
1455 : p_(reinterpret_cast<internal::Rela_data<size>*>(p))
1459 put_r_offset(typename Elf_types<size>::Elf_Addr v)
1460 { this->p_->r_offset = Convert<size, big_endian>::convert_host(v); }
1463 put_r_info(typename Elf_types<size>::Elf_WXword v)
1464 { this->p_->r_info = Convert<size, big_endian>::convert_host(v); }
1467 put_r_addend(typename Elf_types<size>::Elf_Swxword v)
1468 { this->p_->r_addend = Convert<size, big_endian>::convert_host(v); }
1471 internal::Rela_data<size>* p_;
1474 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1475 // PT_DYNAMIC segment.
1477 template<int size, bool big_endian>
1481 Dyn(const unsigned char* p)
1482 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(p))
1485 template<typename File>
1486 Dyn(File* file, typename File::Location loc)
1487 : p_(reinterpret_cast<const internal::Dyn_data<size>*>(
1488 file->view(loc.file_offset, loc.data_size).data()))
1491 typename Elf_types<size>::Elf_Swxword
1493 { return Convert<size, big_endian>::convert_host(this->p_->d_tag); }
1495 typename Elf_types<size>::Elf_WXword
1497 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1499 typename Elf_types<size>::Elf_Addr
1501 { return Convert<size, big_endian>::convert_host(this->p_->d_val); }
1504 const internal::Dyn_data<size>* p_;
1507 // Write class for an entry in the SHT_DYNAMIC section.
1509 template<int size, bool big_endian>
1513 Dyn_write(unsigned char* p)
1514 : p_(reinterpret_cast<internal::Dyn_data<size>*>(p))
1518 put_d_tag(typename Elf_types<size>::Elf_Swxword v)
1519 { this->p_->d_tag = Convert<size, big_endian>::convert_host(v); }
1522 put_d_val(typename Elf_types<size>::Elf_WXword v)
1523 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1526 put_d_ptr(typename Elf_types<size>::Elf_Addr v)
1527 { this->p_->d_val = Convert<size, big_endian>::convert_host(v); }
1530 internal::Dyn_data<size>* p_;
1533 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1535 template<int size, bool big_endian>
1539 Verdef(const unsigned char* p)
1540 : p_(reinterpret_cast<const internal::Verdef_data*>(p))
1543 template<typename File>
1544 Verdef(File* file, typename File::Location loc)
1545 : p_(reinterpret_cast<const internal::Verdef_data*>(
1546 file->view(loc.file_offset, loc.data_size).data()))
1550 get_vd_version() const
1551 { return Convert<16, big_endian>::convert_host(this->p_->vd_version); }
1554 get_vd_flags() const
1555 { return Convert<16, big_endian>::convert_host(this->p_->vd_flags); }
1559 { return Convert<16, big_endian>::convert_host(this->p_->vd_ndx); }
1563 { return Convert<16, big_endian>::convert_host(this->p_->vd_cnt); }
1567 { return Convert<32, big_endian>::convert_host(this->p_->vd_hash); }
1571 { return Convert<32, big_endian>::convert_host(this->p_->vd_aux); }
1575 { return Convert<32, big_endian>::convert_host(this->p_->vd_next); }
1578 const internal::Verdef_data* p_;
1581 template<int size, bool big_endian>
1585 Verdef_write(unsigned char* p)
1586 : p_(reinterpret_cast<internal::Verdef_data*>(p))
1590 set_vd_version(Elf_Half v)
1591 { this->p_->vd_version = Convert<16, big_endian>::convert_host(v); }
1594 set_vd_flags(Elf_Half v)
1595 { this->p_->vd_flags = Convert<16, big_endian>::convert_host(v); }
1598 set_vd_ndx(Elf_Half v)
1599 { this->p_->vd_ndx = Convert<16, big_endian>::convert_host(v); }
1602 set_vd_cnt(Elf_Half v)
1603 { this->p_->vd_cnt = Convert<16, big_endian>::convert_host(v); }
1606 set_vd_hash(Elf_Word v)
1607 { this->p_->vd_hash = Convert<32, big_endian>::convert_host(v); }
1610 set_vd_aux(Elf_Word v)
1611 { this->p_->vd_aux = Convert<32, big_endian>::convert_host(v); }
1614 set_vd_next(Elf_Word v)
1615 { this->p_->vd_next = Convert<32, big_endian>::convert_host(v); }
1618 internal::Verdef_data* p_;
1621 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
1624 template<int size, bool big_endian>
1628 Verdaux(const unsigned char* p)
1629 : p_(reinterpret_cast<const internal::Verdaux_data*>(p))
1632 template<typename File>
1633 Verdaux(File* file, typename File::Location loc)
1634 : p_(reinterpret_cast<const internal::Verdaux_data*>(
1635 file->view(loc.file_offset, loc.data_size).data()))
1639 get_vda_name() const
1640 { return Convert<32, big_endian>::convert_host(this->p_->vda_name); }
1643 get_vda_next() const
1644 { return Convert<32, big_endian>::convert_host(this->p_->vda_next); }
1647 const internal::Verdaux_data* p_;
1650 template<int size, bool big_endian>
1654 Verdaux_write(unsigned char* p)
1655 : p_(reinterpret_cast<internal::Verdaux_data*>(p))
1659 set_vda_name(Elf_Word v)
1660 { this->p_->vda_name = Convert<32, big_endian>::convert_host(v); }
1663 set_vda_next(Elf_Word v)
1664 { this->p_->vda_next = Convert<32, big_endian>::convert_host(v); }
1667 internal::Verdaux_data* p_;
1670 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
1672 template<int size, bool big_endian>
1676 Verneed(const unsigned char* p)
1677 : p_(reinterpret_cast<const internal::Verneed_data*>(p))
1680 template<typename File>
1681 Verneed(File* file, typename File::Location loc)
1682 : p_(reinterpret_cast<const internal::Verneed_data*>(
1683 file->view(loc.file_offset, loc.data_size).data()))
1687 get_vn_version() const
1688 { return Convert<16, big_endian>::convert_host(this->p_->vn_version); }
1692 { return Convert<16, big_endian>::convert_host(this->p_->vn_cnt); }
1696 { return Convert<32, big_endian>::convert_host(this->p_->vn_file); }
1700 { return Convert<32, big_endian>::convert_host(this->p_->vn_aux); }
1704 { return Convert<32, big_endian>::convert_host(this->p_->vn_next); }
1707 const internal::Verneed_data* p_;
1710 template<int size, bool big_endian>
1714 Verneed_write(unsigned char* p)
1715 : p_(reinterpret_cast<internal::Verneed_data*>(p))
1719 set_vn_version(Elf_Half v)
1720 { this->p_->vn_version = Convert<16, big_endian>::convert_host(v); }
1723 set_vn_cnt(Elf_Half v)
1724 { this->p_->vn_cnt = Convert<16, big_endian>::convert_host(v); }
1727 set_vn_file(Elf_Word v)
1728 { this->p_->vn_file = Convert<32, big_endian>::convert_host(v); }
1731 set_vn_aux(Elf_Word v)
1732 { this->p_->vn_aux = Convert<32, big_endian>::convert_host(v); }
1735 set_vn_next(Elf_Word v)
1736 { this->p_->vn_next = Convert<32, big_endian>::convert_host(v); }
1739 internal::Verneed_data* p_;
1742 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
1745 template<int size, bool big_endian>
1749 Vernaux(const unsigned char* p)
1750 : p_(reinterpret_cast<const internal::Vernaux_data*>(p))
1753 template<typename File>
1754 Vernaux(File* file, typename File::Location loc)
1755 : p_(reinterpret_cast<const internal::Vernaux_data*>(
1756 file->view(loc.file_offset, loc.data_size).data()))
1760 get_vna_hash() const
1761 { return Convert<32, big_endian>::convert_host(this->p_->vna_hash); }
1764 get_vna_flags() const
1765 { return Convert<16, big_endian>::convert_host(this->p_->vna_flags); }
1768 get_vna_other() const
1769 { return Convert<16, big_endian>::convert_host(this->p_->vna_other); }
1772 get_vna_name() const
1773 { return Convert<32, big_endian>::convert_host(this->p_->vna_name); }
1776 get_vna_next() const
1777 { return Convert<32, big_endian>::convert_host(this->p_->vna_next); }
1780 const internal::Vernaux_data* p_;
1783 template<int size, bool big_endian>
1787 Vernaux_write(unsigned char* p)
1788 : p_(reinterpret_cast<internal::Vernaux_data*>(p))
1792 set_vna_hash(Elf_Word v)
1793 { this->p_->vna_hash = Convert<32, big_endian>::convert_host(v); }
1796 set_vna_flags(Elf_Half v)
1797 { this->p_->vna_flags = Convert<16, big_endian>::convert_host(v); }
1800 set_vna_other(Elf_Half v)
1801 { this->p_->vna_other = Convert<16, big_endian>::convert_host(v); }
1804 set_vna_name(Elf_Word v)
1805 { this->p_->vna_name = Convert<32, big_endian>::convert_host(v); }
1808 set_vna_next(Elf_Word v)
1809 { this->p_->vna_next = Convert<32, big_endian>::convert_host(v); }
1812 internal::Vernaux_data* p_;
1815 } // End namespace elfcpp.
1817 #endif // !defined(ELFPCP_H)