1 // elfcpp.h -- main header file for elfcpp -*- C++ -*-
3 // Copyright (C) 2006-2020 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].
133 // ELFOSABI_LINUX is an alias for ELFOSABI_GNU.
135 ELFOSABI_SOLARIS
= 6,
138 ELFOSABI_FREEBSD
= 9,
140 ELFOSABI_MODESTO
= 11,
141 ELFOSABI_OPENBSD
= 12,
142 ELFOSABI_OPENVMS
= 13,
145 // A GNU extension for the ARM.
147 // A GNU extension for the MSP.
148 ELFOSABI_STANDALONE
= 255
151 // The valid values found in the Ehdr e_type field.
166 // The valid values found in the Ehdr e_machine field.
181 // 11 was the old Sparc V9 ABI.
182 // 12 through 14 are reserved.
185 // Some old PowerPC object files use 17.
192 // 23 through 35 are served.
256 // Some old picoJava object files use 99 (EM_PJ is correct).
269 EM_ALTERA_NIOS2
= 113,
280 // Infineon Technologies 16-bit microcontroller with C166-V2 core.
283 EM_XSTORMY16
= 0xad45,
290 // Old AVR objects used 0x1057 (EM_AVR is correct).
291 // Old MSP430 objects used 0x1059 (EM_MSP430 is correct).
292 // Old FR30 objects used 0x3330 (EM_FR30 is correct).
293 // Old OpenRISC objects used 0x3426 and 0x8472 (EM_OR1K is correct).
294 // Old D10V objects used 0x7650 (EM_D10V is correct).
295 // Old D30V objects used 0x7676 (EM_D30V is correct).
296 // Old IP2X objects used 0x8217 (EM_IP2K is correct).
297 // Old PowerPC objects used 0x9025 (EM_PPC is correct).
298 // Old Alpha objects used 0x9026 (EM_ALPHA is correct).
299 // Old M32R objects used 0x9041 (EM_M32R is correct).
300 // Old V850 objects used 0x9080 (EM_V850 is correct).
301 // Old S/390 objects used 0xa390 (EM_S390 is correct).
302 // Old Xtensa objects used 0xabc7 (EM_XTENSA is correct).
303 // Old MN10300 objects used 0xbeef (EM_MN10300 is correct).
304 // Old MN10200 objects used 0xdead (EM_MN10200 is correct).
307 // A special value found in the Ehdr e_phnum field.
311 // Number of program segments stored in sh_info field of first
316 // Special section indices.
321 SHN_LORESERVE
= 0xff00,
329 SHN_HIRESERVE
= 0xffff,
331 // Provide for initial and final section ordering in conjunction
332 // with the SHF_LINK_ORDER and SHF_ORDERED section flags.
336 // x86_64 specific large common symbol.
337 SHN_X86_64_LCOMMON
= 0xff02
340 // The valid values found in the Shdr sh_type field.
358 SHT_PREINIT_ARRAY
= 16,
360 SHT_SYMTAB_SHNDX
= 18,
361 SHT_LOOS
= 0x60000000,
362 SHT_HIOS
= 0x6fffffff,
363 SHT_LOPROC
= 0x70000000,
364 SHT_HIPROC
= 0x7fffffff,
365 SHT_LOUSER
= 0x80000000,
366 SHT_HIUSER
= 0xffffffff,
367 // The remaining values are not in the standard.
368 // Incremental build data.
369 SHT_GNU_INCREMENTAL_INPUTS
= 0x6fff4700,
370 SHT_GNU_INCREMENTAL_SYMTAB
= 0x6fff4701,
371 SHT_GNU_INCREMENTAL_RELOCS
= 0x6fff4702,
372 SHT_GNU_INCREMENTAL_GOT_PLT
= 0x6fff4703,
373 // Object attributes.
374 SHT_GNU_ATTRIBUTES
= 0x6ffffff5,
375 // GNU style dynamic hash table.
376 SHT_GNU_HASH
= 0x6ffffff6,
377 // List of prelink dependencies.
378 SHT_GNU_LIBLIST
= 0x6ffffff7,
379 // Versions defined by file.
380 SHT_SUNW_verdef
= 0x6ffffffd,
381 SHT_GNU_verdef
= 0x6ffffffd,
382 // Versions needed by file.
383 SHT_SUNW_verneed
= 0x6ffffffe,
384 SHT_GNU_verneed
= 0x6ffffffe,
386 SHT_SUNW_versym
= 0x6fffffff,
387 SHT_GNU_versym
= 0x6fffffff,
389 SHT_SPARC_GOTDATA
= 0x70000000,
391 // ARM-specific section types.
392 // Exception Index table.
393 SHT_ARM_EXIDX
= 0x70000001,
394 // BPABI DLL dynamic linking pre-emption map.
395 SHT_ARM_PREEMPTMAP
= 0x70000002,
396 // Object file compatibility attributes.
397 SHT_ARM_ATTRIBUTES
= 0x70000003,
398 // Support for debugging overlaid programs.
399 SHT_ARM_DEBUGOVERLAY
= 0x70000004,
400 SHT_ARM_OVERLAYSECTION
= 0x70000005,
402 // x86_64 unwind information.
403 SHT_X86_64_UNWIND
= 0x70000001,
405 // MIPS-specific section types.
406 // Section contains register usage information.
407 SHT_MIPS_REGINFO
= 0x70000006,
408 // Section contains miscellaneous options.
409 SHT_MIPS_OPTIONS
= 0x7000000d,
410 // ABI related flags section.
411 SHT_MIPS_ABIFLAGS
= 0x7000002a,
413 // AARCH64-specific section type.
414 SHT_AARCH64_ATTRIBUTES
= 0x70000003,
416 // CSKY-specific section types.
417 // Object file compatibility attributes.
418 SHT_CSKY_ATTRIBUTES
= 0x70000001,
420 // Link editor is to sort the entries in this section based on the
421 // address specified in the associated symbol table entry.
422 SHT_ORDERED
= 0x7fffffff
425 // The valid bit flags found in the Shdr sh_flags field.
434 SHF_INFO_LINK
= 0x40,
435 SHF_LINK_ORDER
= 0x80,
436 SHF_OS_NONCONFORMING
= 0x100,
439 SHF_COMPRESSED
= 0x800,
440 SHF_MASKOS
= 0x0ff00000,
441 SHF_MASKPROC
= 0xf0000000,
443 // Indicates this section requires ordering in relation to
444 // other sections of the same type. Ordered sections are
445 // combined within the section pointed to by the sh_link entry.
446 // The sh_info values SHN_BEFORE and SHN_AFTER imply that the
447 // sorted section is to precede or follow, respectively, all
448 // other sections in the set being ordered.
449 SHF_ORDERED
= 0x40000000,
450 // This section is excluded from input to the link-edit of an
451 // executable or shared object. This flag is ignored if SHF_ALLOC
452 // is also set, or if relocations exist against the section.
453 SHF_EXCLUDE
= 0x80000000,
455 // Section with data that is GP relative addressable.
456 SHF_MIPS_GPREL
= 0x10000000,
458 // x86_64 specific large section.
459 SHF_X86_64_LARGE
= 0x10000000
462 // Values which appear in the first Elf_WXword of the section data
463 // of a SHF_COMPRESSED section.
466 ELFCOMPRESS_ZLIB
= 1,
467 ELFCOMPRESS_LOOS
= 0x60000000,
468 ELFCOMPRESS_HIOS
= 0x6fffffff,
469 ELFCOMPRESS_LOPROC
= 0x70000000,
470 ELFCOMPRESS_HIPROC
= 0x7fffffff,
473 // Bit flags which appear in the first 32-bit word of the section data
474 // of a SHT_GROUP section.
479 GRP_MASKOS
= 0x0ff00000,
480 GRP_MASKPROC
= 0xf0000000
483 // The valid values found in the Phdr p_type field.
495 PT_LOOS
= 0x60000000,
496 PT_HIOS
= 0x6fffffff,
497 PT_LOPROC
= 0x70000000,
498 PT_HIPROC
= 0x7fffffff,
499 // The remaining values are not in the standard.
500 // Frame unwind information.
501 PT_GNU_EH_FRAME
= 0x6474e550,
502 PT_SUNW_EH_FRAME
= 0x6474e550,
504 PT_GNU_STACK
= 0x6474e551,
505 // Read only after relocation.
506 PT_GNU_RELRO
= 0x6474e552,
507 // Platform architecture compatibility information
508 PT_ARM_ARCHEXT
= 0x70000000,
509 // Exception unwind tables
510 PT_ARM_EXIDX
= 0x70000001,
511 // Register usage information. Identifies one .reginfo section.
512 PT_MIPS_REGINFO
=0x70000000,
513 // Runtime procedure table.
514 PT_MIPS_RTPROC
= 0x70000001,
515 // .MIPS.options section.
516 PT_MIPS_OPTIONS
= 0x70000002,
517 // .MIPS.abiflags section.
518 PT_MIPS_ABIFLAGS
= 0x70000003,
519 // Platform architecture compatibility information
520 PT_AARCH64_ARCHEXT
= 0x70000000,
521 // Exception unwind tables
522 PT_AARCH64_UNWIND
= 0x70000001,
523 // 4k page table size
524 PT_S390_PGSTE
= 0x70000000,
527 // The valid bit flags found in the Phdr p_flags field.
534 PF_MASKOS
= 0x0ff00000,
535 PF_MASKPROC
= 0xf0000000
538 // Symbol binding from Sym st_info field.
552 // Symbol types from Sym st_info field.
564 // GNU extension: symbol value points to a function which is called
565 // at runtime to determine the final value of the symbol.
573 // The section type that must be used for register symbols on
574 // Sparc. These symbols initialize a global register.
575 STT_SPARC_REGISTER
= 13,
577 // ARM: a THUMB function. This is not defined in ARM ELF Specification but
578 // used by the GNU tool-chain.
583 elf_st_bind(unsigned char info
)
585 return static_cast<STB
>(info
>> 4);
589 elf_st_type(unsigned char info
)
591 return static_cast<STT
>(info
& 0xf);
595 elf_st_info(STB bind
, STT type
)
597 return ((static_cast<unsigned char>(bind
) << 4)
598 + (static_cast<unsigned char>(type
) & 0xf));
601 // Symbol visibility from Sym st_other field.
612 elf_st_visibility(unsigned char other
)
614 return static_cast<STV
>(other
& 0x3);
618 elf_st_nonvis(unsigned char other
)
620 return static_cast<STV
>(other
>> 2);
624 elf_st_other(STV vis
, unsigned char nonvis
)
626 return ((nonvis
<< 2)
627 + (static_cast<unsigned char>(vis
) & 3));
630 // Reloc information from Rel/Rela r_info field.
634 elf_r_sym(typename Elf_types
<size
>::Elf_WXword
);
638 elf_r_sym
<32>(Elf_Word v
)
645 elf_r_sym
<64>(Elf_Xword v
)
652 elf_r_type(typename Elf_types
<size
>::Elf_WXword
);
656 elf_r_type
<32>(Elf_Word v
)
663 elf_r_type
<64>(Elf_Xword v
)
665 return v
& 0xffffffff;
669 typename Elf_types
<size
>::Elf_WXword
670 elf_r_info(unsigned int s
, unsigned int t
);
674 elf_r_info
<32>(unsigned int s
, unsigned int t
)
676 return (s
<< 8) + (t
& 0xff);
681 elf_r_info
<64>(unsigned int s
, unsigned int t
)
683 return (static_cast<Elf_Xword
>(s
) << 32) + (t
& 0xffffffff);
686 // Dynamic tags found in the PT_DYNAMIC segment.
717 DT_INIT_ARRAYSZ
= 27,
718 DT_FINI_ARRAYSZ
= 28,
722 // This is used to mark a range of dynamic tags. It is not really
726 DT_PREINIT_ARRAY
= 32,
727 DT_PREINIT_ARRAYSZ
= 33,
728 DT_LOOS
= 0x6000000d,
729 DT_HIOS
= 0x6ffff000,
730 DT_LOPROC
= 0x70000000,
731 DT_HIPROC
= 0x7fffffff,
733 // The remaining values are extensions used by GNU or Solaris.
734 DT_VALRNGLO
= 0x6ffffd00,
735 DT_GNU_PRELINKED
= 0x6ffffdf5,
736 DT_GNU_CONFLICTSZ
= 0x6ffffdf6,
737 DT_GNU_LIBLISTSZ
= 0x6ffffdf7,
738 DT_CHECKSUM
= 0x6ffffdf8,
739 DT_PLTPADSZ
= 0x6ffffdf9,
740 DT_MOVEENT
= 0x6ffffdfa,
741 DT_MOVESZ
= 0x6ffffdfb,
742 DT_FEATURE
= 0x6ffffdfc,
743 DT_POSFLAG_1
= 0x6ffffdfd,
744 DT_SYMINSZ
= 0x6ffffdfe,
745 DT_SYMINENT
= 0x6ffffdff,
746 DT_VALRNGHI
= 0x6ffffdff,
748 DT_ADDRRNGLO
= 0x6ffffe00,
749 DT_GNU_HASH
= 0x6ffffef5,
750 DT_TLSDESC_PLT
= 0x6ffffef6,
751 DT_TLSDESC_GOT
= 0x6ffffef7,
752 DT_GNU_CONFLICT
= 0x6ffffef8,
753 DT_GNU_LIBLIST
= 0x6ffffef9,
754 DT_CONFIG
= 0x6ffffefa,
755 DT_DEPAUDIT
= 0x6ffffefb,
756 DT_AUDIT
= 0x6ffffefc,
757 DT_PLTPAD
= 0x6ffffefd,
758 DT_MOVETAB
= 0x6ffffefe,
759 DT_SYMINFO
= 0x6ffffeff,
760 DT_ADDRRNGHI
= 0x6ffffeff,
762 DT_RELACOUNT
= 0x6ffffff9,
763 DT_RELCOUNT
= 0x6ffffffa,
764 DT_FLAGS_1
= 0x6ffffffb,
765 DT_VERDEF
= 0x6ffffffc,
766 DT_VERDEFNUM
= 0x6ffffffd,
767 DT_VERNEED
= 0x6ffffffe,
768 DT_VERNEEDNUM
= 0x6fffffff,
770 DT_VERSYM
= 0x6ffffff0,
772 // Specify the value of _GLOBAL_OFFSET_TABLE_.
773 DT_PPC_GOT
= 0x70000000,
775 // Specify whether various optimisations are possible.
776 DT_PPC_OPT
= 0x70000001,
778 // Specify the start of the .glink section.
779 DT_PPC64_GLINK
= 0x70000000,
781 // Specify the start and size of the .opd section.
782 DT_PPC64_OPD
= 0x70000001,
783 DT_PPC64_OPDSZ
= 0x70000002,
785 // Specify whether various optimisations are possible.
786 DT_PPC64_OPT
= 0x70000003,
788 // The index of an STT_SPARC_REGISTER symbol within the DT_SYMTAB
789 // symbol table. One dynamic entry exists for every STT_SPARC_REGISTER
790 // symbol in the symbol table.
791 DT_SPARC_REGISTER
= 0x70000001,
793 // MIPS specific dynamic array tags.
794 // 32 bit version number for runtime linker interface.
795 DT_MIPS_RLD_VERSION
= 0x70000001,
797 DT_MIPS_TIME_STAMP
= 0x70000002,
798 // Checksum of external strings and common sizes.
799 DT_MIPS_ICHECKSUM
= 0x70000003,
800 // Index of version string in string table.
801 DT_MIPS_IVERSION
= 0x70000004,
803 DT_MIPS_FLAGS
= 0x70000005,
804 // Base address of the segment.
805 DT_MIPS_BASE_ADDRESS
= 0x70000006,
807 DT_MIPS_MSYM
= 0x70000007,
808 // Address of .conflict section.
809 DT_MIPS_CONFLICT
= 0x70000008,
810 // Address of .liblist section.
811 DT_MIPS_LIBLIST
= 0x70000009,
812 // Number of local global offset table entries.
813 DT_MIPS_LOCAL_GOTNO
= 0x7000000a,
814 // Number of entries in the .conflict section.
815 DT_MIPS_CONFLICTNO
= 0x7000000b,
816 // Number of entries in the .liblist section.
817 DT_MIPS_LIBLISTNO
= 0x70000010,
818 // Number of entries in the .dynsym section.
819 DT_MIPS_SYMTABNO
= 0x70000011,
820 // Index of first external dynamic symbol not referenced locally.
821 DT_MIPS_UNREFEXTNO
= 0x70000012,
822 // Index of first dynamic symbol in global offset table.
823 DT_MIPS_GOTSYM
= 0x70000013,
824 // Number of page table entries in global offset table.
825 DT_MIPS_HIPAGENO
= 0x70000014,
826 // Address of run time loader map, used for debugging.
827 DT_MIPS_RLD_MAP
= 0x70000016,
828 // Delta C++ class definition.
829 DT_MIPS_DELTA_CLASS
= 0x70000017,
830 // Number of entries in DT_MIPS_DELTA_CLASS.
831 DT_MIPS_DELTA_CLASS_NO
= 0x70000018,
832 // Delta C++ class instances.
833 DT_MIPS_DELTA_INSTANCE
= 0x70000019,
834 // Number of entries in DT_MIPS_DELTA_INSTANCE.
835 DT_MIPS_DELTA_INSTANCE_NO
= 0x7000001a,
836 // Delta relocations.
837 DT_MIPS_DELTA_RELOC
= 0x7000001b,
838 // Number of entries in DT_MIPS_DELTA_RELOC.
839 DT_MIPS_DELTA_RELOC_NO
= 0x7000001c,
840 // Delta symbols that Delta relocations refer to.
841 DT_MIPS_DELTA_SYM
= 0x7000001d,
842 // Number of entries in DT_MIPS_DELTA_SYM.
843 DT_MIPS_DELTA_SYM_NO
= 0x7000001e,
844 // Delta symbols that hold class declarations.
845 DT_MIPS_DELTA_CLASSSYM
= 0x70000020,
846 // Number of entries in DT_MIPS_DELTA_CLASSSYM.
847 DT_MIPS_DELTA_CLASSSYM_NO
= 0x70000021,
848 // Flags indicating information about C++ flavor.
849 DT_MIPS_CXX_FLAGS
= 0x70000022,
850 // Pixie information (???).
851 DT_MIPS_PIXIE_INIT
= 0x70000023,
852 // Address of .MIPS.symlib
853 DT_MIPS_SYMBOL_LIB
= 0x70000024,
854 // The GOT index of the first PTE for a segment
855 DT_MIPS_LOCALPAGE_GOTIDX
= 0x70000025,
856 // The GOT index of the first PTE for a local symbol
857 DT_MIPS_LOCAL_GOTIDX
= 0x70000026,
858 // The GOT index of the first PTE for a hidden symbol
859 DT_MIPS_HIDDEN_GOTIDX
= 0x70000027,
860 // The GOT index of the first PTE for a protected symbol
861 DT_MIPS_PROTECTED_GOTIDX
= 0x70000028,
862 // Address of `.MIPS.options'.
863 DT_MIPS_OPTIONS
= 0x70000029,
864 // Address of `.interface'.
865 DT_MIPS_INTERFACE
= 0x7000002a,
867 DT_MIPS_DYNSTR_ALIGN
= 0x7000002b,
868 // Size of the .interface section.
869 DT_MIPS_INTERFACE_SIZE
= 0x7000002c,
870 // Size of rld_text_resolve function stored in the GOT.
871 DT_MIPS_RLD_TEXT_RESOLVE_ADDR
= 0x7000002d,
872 // Default suffix of DSO to be added by rld on dlopen() calls.
873 DT_MIPS_PERF_SUFFIX
= 0x7000002e,
874 // Size of compact relocation section (O32).
875 DT_MIPS_COMPACT_SIZE
= 0x7000002f,
876 // GP value for auxiliary GOTs.
877 DT_MIPS_GP_VALUE
= 0x70000030,
878 // Address of auxiliary .dynamic.
879 DT_MIPS_AUX_DYNAMIC
= 0x70000031,
880 // Address of the base of the PLTGOT.
881 DT_MIPS_PLTGOT
= 0x70000032,
882 // Points to the base of a writable PLT.
883 DT_MIPS_RWPLT
= 0x70000034,
884 // Relative offset of run time loader map, used for debugging.
885 DT_MIPS_RLD_MAP_REL
= 0x70000035,
887 DT_AUXILIARY
= 0x7ffffffd,
888 DT_USED
= 0x7ffffffe,
889 DT_FILTER
= 0x7fffffff
892 // Flags found in the DT_FLAGS dynamic element.
903 // Flags found in the DT_FLAGS_1 dynamic element.
911 DF_1_LOADFLTR
= 0x10,
912 DF_1_INITFIRST
= 0x20,
917 DF_1_INTERPOSE
= 0x400,
918 DF_1_NODEFLIB
= 0x800,
919 DF_1_NODUMP
= 0x1000,
920 DF_1_CONLFAT
= 0x2000,
921 DF_1_PIE
= 0x08000000
924 // Version numbers which appear in the vd_version field of a Verdef
927 const int VER_DEF_NONE
= 0;
928 const int VER_DEF_CURRENT
= 1;
930 // Version numbers which appear in the vn_version field of a Verneed
933 const int VER_NEED_NONE
= 0;
934 const int VER_NEED_CURRENT
= 1;
936 // Bit flags which appear in vd_flags of Verdef and vna_flags of
939 const int VER_FLG_BASE
= 0x1;
940 const int VER_FLG_WEAK
= 0x2;
941 const int VER_FLG_INFO
= 0x4;
943 // Special constants found in the SHT_GNU_versym entries.
945 const int VER_NDX_LOCAL
= 0;
946 const int VER_NDX_GLOBAL
= 1;
948 // A SHT_GNU_versym section holds 16-bit words. This bit is set if
949 // the symbol is hidden and can only be seen when referenced using an
950 // explicit version number. This is a GNU extension.
952 const int VERSYM_HIDDEN
= 0x8000;
954 // This is the mask for the rest of the data in a word read from a
955 // SHT_GNU_versym section.
957 const int VERSYM_VERSION
= 0x7fff;
959 // Note descriptor type codes for notes in a non-core file with an
966 // An architecture string.
970 // Note descriptor type codes for notes in a non-core file with the
975 // The minimum ABI level. This is used by the dynamic linker to
976 // describe the minimal kernel version on which a shared library may
977 // be used. Th value should be four words. Word 0 is an OS
978 // descriptor (see below). Word 1 is the major version of the ABI.
979 // Word 2 is the minor version. Word 3 is the subminor version.
981 // Hardware capabilities information. Word 0 is the number of
982 // entries. Word 1 is a bitmask of enabled entries. The rest of
983 // the descriptor is a series of entries, where each entry is a
984 // single byte followed by a nul terminated string. The byte gives
985 // the bit number to test if enabled in the bitmask.
987 // The build ID as set by the linker's --build-id option. The
988 // format of the descriptor depends on the build ID style.
990 // The version of gold used to link. Th descriptor is just a
992 NT_GNU_GOLD_VERSION
= 4,
993 // Program property note, as described in "Linux Extensions to the gABI".
994 NT_GNU_PROPERTY_TYPE_0
= 5
997 // The OS values which may appear in word 0 of a NT_GNU_ABI_TAG note.
1001 ELF_NOTE_OS_LINUX
= 0,
1002 ELF_NOTE_OS_GNU
= 1,
1003 ELF_NOTE_OS_SOLARIS2
= 2,
1004 ELF_NOTE_OS_FREEBSD
= 3,
1005 ELF_NOTE_OS_NETBSD
= 4,
1006 ELF_NOTE_OS_SYLLABLE
= 5
1009 // Program property types for NT_GNU_PROPERTY_TYPE_0.
1013 GNU_PROPERTY_STACK_SIZE
= 1,
1014 GNU_PROPERTY_NO_COPY_ON_PROTECTED
= 2,
1015 GNU_PROPERTY_LOPROC
= 0xc0000000,
1016 GNU_PROPERTY_X86_ISA_1_USED
= 0xc0000000,
1017 GNU_PROPERTY_X86_ISA_1_NEEDED
= 0xc0000001,
1018 GNU_PROPERTY_X86_FEATURE_1_AND
= 0xc0000002,
1019 GNU_PROPERTY_HIPROC
= 0xdfffffff,
1020 GNU_PROPERTY_LOUSER
= 0xe0000000,
1021 GNU_PROPERTY_HIUSER
= 0xffffffff
1024 } // End namespace elfcpp.
1026 // Include internal details after defining the types.
1027 #include "elfcpp_internal.h"
1032 // The offset of the ELF file header in the ELF file.
1034 const int file_header_offset
= 0;
1036 // ELF structure sizes.
1041 // Size of ELF file header.
1042 static const int ehdr_size
= sizeof(internal::Ehdr_data
<size
>);
1043 // Size of ELF segment header.
1044 static const int phdr_size
= sizeof(internal::Phdr_data
<size
>);
1045 // Size of ELF section header.
1046 static const int shdr_size
= sizeof(internal::Shdr_data
<size
>);
1047 // Size of ELF compression header.
1048 static const int chdr_size
= sizeof(internal::Chdr_data
<size
>);
1049 // Size of ELF symbol table entry.
1050 static const int sym_size
= sizeof(internal::Sym_data
<size
>);
1051 // Sizes of ELF reloc entries.
1052 static const int rel_size
= sizeof(internal::Rel_data
<size
>);
1053 static const int rela_size
= sizeof(internal::Rela_data
<size
>);
1054 // Size of ELF dynamic entry.
1055 static const int dyn_size
= sizeof(internal::Dyn_data
<size
>);
1056 // Size of ELF version structures.
1057 static const int verdef_size
= sizeof(internal::Verdef_data
);
1058 static const int verdaux_size
= sizeof(internal::Verdaux_data
);
1059 static const int verneed_size
= sizeof(internal::Verneed_data
);
1060 static const int vernaux_size
= sizeof(internal::Vernaux_data
);
1063 // Accessor class for the ELF file header.
1065 template<int size
, bool big_endian
>
1069 Ehdr(const unsigned char* p
)
1070 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(p
))
1073 template<typename File
>
1074 Ehdr(File
* file
, typename
File::Location loc
)
1075 : p_(reinterpret_cast<const internal::Ehdr_data
<size
>*>(
1076 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1079 const unsigned char*
1081 { return this->p_
->e_ident
; }
1085 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_type
); }
1088 get_e_machine() const
1089 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_machine
); }
1092 get_e_version() const
1093 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_version
); }
1095 typename Elf_types
<size
>::Elf_Addr
1097 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_entry
); }
1099 typename Elf_types
<size
>::Elf_Off
1101 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_phoff
); }
1103 typename Elf_types
<size
>::Elf_Off
1105 { return Convert
<size
, big_endian
>::convert_host(this->p_
->e_shoff
); }
1109 { return Convert
<32, big_endian
>::convert_host(this->p_
->e_flags
); }
1112 get_e_ehsize() const
1113 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_ehsize
); }
1116 get_e_phentsize() const
1117 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phentsize
); }
1121 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_phnum
); }
1124 get_e_shentsize() const
1125 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shentsize
); }
1129 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shnum
); }
1132 get_e_shstrndx() const
1133 { return Convert
<16, big_endian
>::convert_host(this->p_
->e_shstrndx
); }
1136 const internal::Ehdr_data
<size
>* p_
;
1139 // Write class for the ELF file header.
1141 template<int size
, bool big_endian
>
1145 Ehdr_write(unsigned char* p
)
1146 : p_(reinterpret_cast<internal::Ehdr_data
<size
>*>(p
))
1150 put_e_ident(const unsigned char v
[EI_NIDENT
]) const
1151 { memcpy(this->p_
->e_ident
, v
, EI_NIDENT
); }
1154 put_e_type(Elf_Half v
)
1155 { this->p_
->e_type
= Convert
<16, big_endian
>::convert_host(v
); }
1158 put_e_machine(Elf_Half v
)
1159 { this->p_
->e_machine
= Convert
<16, big_endian
>::convert_host(v
); }
1162 put_e_version(Elf_Word v
)
1163 { this->p_
->e_version
= Convert
<32, big_endian
>::convert_host(v
); }
1166 put_e_entry(typename Elf_types
<size
>::Elf_Addr v
)
1167 { this->p_
->e_entry
= Convert
<size
, big_endian
>::convert_host(v
); }
1170 put_e_phoff(typename Elf_types
<size
>::Elf_Off v
)
1171 { this->p_
->e_phoff
= Convert
<size
, big_endian
>::convert_host(v
); }
1174 put_e_shoff(typename Elf_types
<size
>::Elf_Off v
)
1175 { this->p_
->e_shoff
= Convert
<size
, big_endian
>::convert_host(v
); }
1178 put_e_flags(Elf_Word v
)
1179 { this->p_
->e_flags
= Convert
<32, big_endian
>::convert_host(v
); }
1182 put_e_ehsize(Elf_Half v
)
1183 { this->p_
->e_ehsize
= Convert
<16, big_endian
>::convert_host(v
); }
1186 put_e_phentsize(Elf_Half v
)
1187 { this->p_
->e_phentsize
= Convert
<16, big_endian
>::convert_host(v
); }
1190 put_e_phnum(Elf_Half v
)
1191 { this->p_
->e_phnum
= Convert
<16, big_endian
>::convert_host(v
); }
1194 put_e_shentsize(Elf_Half v
)
1195 { this->p_
->e_shentsize
= Convert
<16, big_endian
>::convert_host(v
); }
1198 put_e_shnum(Elf_Half v
)
1199 { this->p_
->e_shnum
= Convert
<16, big_endian
>::convert_host(v
); }
1202 put_e_shstrndx(Elf_Half v
)
1203 { this->p_
->e_shstrndx
= Convert
<16, big_endian
>::convert_host(v
); }
1206 internal::Ehdr_data
<size
>* p_
;
1209 // Accessor class for an ELF section header.
1211 template<int size
, bool big_endian
>
1215 Shdr(const unsigned char* p
)
1216 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(p
))
1219 template<typename File
>
1220 Shdr(File
* file
, typename
File::Location loc
)
1221 : p_(reinterpret_cast<const internal::Shdr_data
<size
>*>(
1222 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1227 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_name
); }
1231 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_type
); }
1233 typename Elf_types
<size
>::Elf_WXword
1234 get_sh_flags() const
1235 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_flags
); }
1237 typename Elf_types
<size
>::Elf_Addr
1239 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addr
); }
1241 typename Elf_types
<size
>::Elf_Off
1242 get_sh_offset() const
1243 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_offset
); }
1245 typename Elf_types
<size
>::Elf_WXword
1247 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_size
); }
1251 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_link
); }
1255 { return Convert
<32, big_endian
>::convert_host(this->p_
->sh_info
); }
1257 typename Elf_types
<size
>::Elf_WXword
1258 get_sh_addralign() const
1260 Convert
<size
, big_endian
>::convert_host(this->p_
->sh_addralign
); }
1262 typename Elf_types
<size
>::Elf_WXword
1263 get_sh_entsize() const
1264 { return Convert
<size
, big_endian
>::convert_host(this->p_
->sh_entsize
); }
1267 const internal::Shdr_data
<size
>* p_
;
1270 // Write class for an ELF section header.
1272 template<int size
, bool big_endian
>
1276 Shdr_write(unsigned char* p
)
1277 : p_(reinterpret_cast<internal::Shdr_data
<size
>*>(p
))
1281 put_sh_name(Elf_Word v
)
1282 { this->p_
->sh_name
= Convert
<32, big_endian
>::convert_host(v
); }
1285 put_sh_type(Elf_Word v
)
1286 { this->p_
->sh_type
= Convert
<32, big_endian
>::convert_host(v
); }
1289 put_sh_flags(typename Elf_types
<size
>::Elf_WXword v
)
1290 { this->p_
->sh_flags
= Convert
<size
, big_endian
>::convert_host(v
); }
1293 put_sh_addr(typename Elf_types
<size
>::Elf_Addr v
)
1294 { this->p_
->sh_addr
= Convert
<size
, big_endian
>::convert_host(v
); }
1297 put_sh_offset(typename Elf_types
<size
>::Elf_Off v
)
1298 { this->p_
->sh_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1301 put_sh_size(typename Elf_types
<size
>::Elf_WXword v
)
1302 { this->p_
->sh_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1305 put_sh_link(Elf_Word v
)
1306 { this->p_
->sh_link
= Convert
<32, big_endian
>::convert_host(v
); }
1309 put_sh_info(Elf_Word v
)
1310 { this->p_
->sh_info
= Convert
<32, big_endian
>::convert_host(v
); }
1313 put_sh_addralign(typename Elf_types
<size
>::Elf_WXword v
)
1314 { this->p_
->sh_addralign
= Convert
<size
, big_endian
>::convert_host(v
); }
1317 put_sh_entsize(typename Elf_types
<size
>::Elf_WXword v
)
1318 { this->p_
->sh_entsize
= Convert
<size
, big_endian
>::convert_host(v
); }
1321 internal::Shdr_data
<size
>* p_
;
1324 // Accessor class for an ELF compression header.
1326 template<int size
, bool big_endian
>
1330 Chdr(const unsigned char* p
)
1331 : p_(reinterpret_cast<const internal::Chdr_data
<size
>*>(p
))
1334 template<typename File
>
1335 Chdr(File
* file
, typename
File::Location loc
)
1336 : p_(reinterpret_cast<const internal::Chdr_data
<size
>*>(
1337 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1342 { return Convert
<size
, big_endian
>::convert_host(this->p_
->ch_type
); }
1344 typename Elf_types
<size
>::Elf_WXword
1346 { return Convert
<size
, big_endian
>::convert_host(this->p_
->ch_size
); }
1348 typename Elf_types
<size
>::Elf_WXword
1349 get_ch_addralign() const
1351 Convert
<size
, big_endian
>::convert_host(this->p_
->ch_addralign
); }
1354 const internal::Chdr_data
<size
>* p_
;
1357 // Write class for an ELF compression header.
1359 template<int size
, bool big_endian
>
1363 Chdr_write(unsigned char* p
)
1364 : p_(reinterpret_cast<internal::Chdr_data
<size
>*>(p
))
1368 put_ch_type(typename Elf_types
<size
>::Elf_WXword v
)
1369 { this->p_
->ch_type
= Convert
<size
, big_endian
>::convert_host(v
); }
1372 put_ch_size(typename Elf_types
<size
>::Elf_WXword v
)
1373 { this->p_
->ch_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1376 put_ch_addralign(typename Elf_types
<size
>::Elf_WXword v
)
1377 { this->p_
->ch_addralign
= Convert
<size
, big_endian
>::convert_host(v
); }
1380 put_ch_reserved(Elf_Word
);
1383 internal::Chdr_data
<size
>* p_
;
1388 elfcpp::Chdr_write
<64, true>::put_ch_reserved(Elf_Word v
)
1390 this->p_
->ch_reserved
= v
;
1395 elfcpp::Chdr_write
<64, false>::put_ch_reserved(Elf_Word v
)
1397 this->p_
->ch_reserved
= v
;
1400 // Accessor class for an ELF segment header.
1402 template<int size
, bool big_endian
>
1406 Phdr(const unsigned char* p
)
1407 : p_(reinterpret_cast<const internal::Phdr_data
<size
>*>(p
))
1410 template<typename File
>
1411 Phdr(File
* file
, typename
File::Location loc
)
1412 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(
1413 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1418 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_type
); }
1420 typename Elf_types
<size
>::Elf_Off
1421 get_p_offset() const
1422 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_offset
); }
1424 typename Elf_types
<size
>::Elf_Addr
1426 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_vaddr
); }
1428 typename Elf_types
<size
>::Elf_Addr
1430 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_paddr
); }
1432 typename Elf_types
<size
>::Elf_WXword
1433 get_p_filesz() const
1434 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_filesz
); }
1436 typename Elf_types
<size
>::Elf_WXword
1438 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_memsz
); }
1442 { return Convert
<32, big_endian
>::convert_host(this->p_
->p_flags
); }
1444 typename Elf_types
<size
>::Elf_WXword
1446 { return Convert
<size
, big_endian
>::convert_host(this->p_
->p_align
); }
1449 const internal::Phdr_data
<size
>* p_
;
1452 // Write class for an ELF segment header.
1454 template<int size
, bool big_endian
>
1458 Phdr_write(unsigned char* p
)
1459 : p_(reinterpret_cast<internal::Phdr_data
<size
>*>(p
))
1463 put_p_type(Elf_Word v
)
1464 { this->p_
->p_type
= Convert
<32, big_endian
>::convert_host(v
); }
1467 put_p_offset(typename Elf_types
<size
>::Elf_Off v
)
1468 { this->p_
->p_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1471 put_p_vaddr(typename Elf_types
<size
>::Elf_Addr v
)
1472 { this->p_
->p_vaddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1475 put_p_paddr(typename Elf_types
<size
>::Elf_Addr v
)
1476 { this->p_
->p_paddr
= Convert
<size
, big_endian
>::convert_host(v
); }
1479 put_p_filesz(typename Elf_types
<size
>::Elf_WXword v
)
1480 { this->p_
->p_filesz
= Convert
<size
, big_endian
>::convert_host(v
); }
1483 put_p_memsz(typename Elf_types
<size
>::Elf_WXword v
)
1484 { this->p_
->p_memsz
= Convert
<size
, big_endian
>::convert_host(v
); }
1487 put_p_flags(Elf_Word v
)
1488 { this->p_
->p_flags
= Convert
<32, big_endian
>::convert_host(v
); }
1491 put_p_align(typename Elf_types
<size
>::Elf_WXword v
)
1492 { this->p_
->p_align
= Convert
<size
, big_endian
>::convert_host(v
); }
1495 internal::Phdr_data
<size
>* p_
;
1498 // Accessor class for an ELF symbol table entry.
1500 template<int size
, bool big_endian
>
1504 Sym(const unsigned char* p
)
1505 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(p
))
1508 template<typename File
>
1509 Sym(File
* file
, typename
File::Location loc
)
1510 : p_(reinterpret_cast<const internal::Sym_data
<size
>*>(
1511 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1516 { return Convert
<32, big_endian
>::convert_host(this->p_
->st_name
); }
1518 typename Elf_types
<size
>::Elf_Addr
1519 get_st_value() const
1520 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_value
); }
1522 typename Elf_types
<size
>::Elf_WXword
1524 { return Convert
<size
, big_endian
>::convert_host(this->p_
->st_size
); }
1528 { return this->p_
->st_info
; }
1532 { return elf_st_bind(this->get_st_info()); }
1536 { return elf_st_type(this->get_st_info()); }
1539 get_st_other() const
1540 { return this->p_
->st_other
; }
1543 get_st_visibility() const
1544 { return elf_st_visibility(this->get_st_other()); }
1547 get_st_nonvis() const
1548 { return elf_st_nonvis(this->get_st_other()); }
1551 get_st_shndx() const
1552 { return Convert
<16, big_endian
>::convert_host(this->p_
->st_shndx
); }
1555 const internal::Sym_data
<size
>* p_
;
1558 // Writer class for an ELF symbol table entry.
1560 template<int size
, bool big_endian
>
1564 Sym_write(unsigned char* p
)
1565 : p_(reinterpret_cast<internal::Sym_data
<size
>*>(p
))
1569 put_st_name(Elf_Word v
)
1570 { this->p_
->st_name
= Convert
<32, big_endian
>::convert_host(v
); }
1573 put_st_value(typename Elf_types
<size
>::Elf_Addr v
)
1574 { this->p_
->st_value
= Convert
<size
, big_endian
>::convert_host(v
); }
1577 put_st_size(typename Elf_types
<size
>::Elf_WXword v
)
1578 { this->p_
->st_size
= Convert
<size
, big_endian
>::convert_host(v
); }
1581 put_st_info(unsigned char v
)
1582 { this->p_
->st_info
= v
; }
1585 put_st_info(STB bind
, STT type
)
1586 { this->p_
->st_info
= elf_st_info(bind
, type
); }
1589 put_st_other(unsigned char v
)
1590 { this->p_
->st_other
= v
; }
1593 put_st_other(STV vis
, unsigned char nonvis
)
1594 { this->p_
->st_other
= elf_st_other(vis
, nonvis
); }
1597 put_st_shndx(Elf_Half v
)
1598 { this->p_
->st_shndx
= Convert
<16, big_endian
>::convert_host(v
); }
1600 Sym
<size
, big_endian
>
1602 { return Sym
<size
, big_endian
>(reinterpret_cast<unsigned char*>(this->p_
)); }
1605 internal::Sym_data
<size
>* p_
;
1608 // Accessor classes for an ELF REL relocation entry.
1610 template<int size
, bool big_endian
>
1614 Rel(const unsigned char* p
)
1615 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(p
))
1618 template<typename File
>
1619 Rel(File
* file
, typename
File::Location loc
)
1620 : p_(reinterpret_cast<const internal::Rel_data
<size
>*>(
1621 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1624 typename Elf_types
<size
>::Elf_Addr
1625 get_r_offset() const
1626 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_offset
); }
1628 typename Elf_types
<size
>::Elf_WXword
1630 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_info
); }
1633 const internal::Rel_data
<size
>* p_
;
1636 // Writer class for an ELF Rel relocation.
1638 template<int size
, bool big_endian
>
1642 Rel_write(unsigned char* p
)
1643 : p_(reinterpret_cast<internal::Rel_data
<size
>*>(p
))
1647 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1648 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1651 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1652 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1655 internal::Rel_data
<size
>* p_
;
1658 // Accessor class for an ELF Rela relocation.
1660 template<int size
, bool big_endian
>
1664 Rela(const unsigned char* p
)
1665 : p_(reinterpret_cast<const internal::Rela_data
<size
>*>(p
))
1668 template<typename File
>
1669 Rela(File
* file
, typename
File::Location loc
)
1670 : p_(reinterpret_cast<const internal::Rela_data
<size
>*>(
1671 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1674 typename Elf_types
<size
>::Elf_Addr
1675 get_r_offset() const
1676 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_offset
); }
1678 typename Elf_types
<size
>::Elf_WXword
1680 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_info
); }
1682 typename Elf_types
<size
>::Elf_Swxword
1683 get_r_addend() const
1684 { return Convert
<size
, big_endian
>::convert_host(this->p_
->r_addend
); }
1687 const internal::Rela_data
<size
>* p_
;
1690 // Writer class for an ELF Rela relocation.
1692 template<int size
, bool big_endian
>
1696 Rela_write(unsigned char* p
)
1697 : p_(reinterpret_cast<internal::Rela_data
<size
>*>(p
))
1701 put_r_offset(typename Elf_types
<size
>::Elf_Addr v
)
1702 { this->p_
->r_offset
= Convert
<size
, big_endian
>::convert_host(v
); }
1705 put_r_info(typename Elf_types
<size
>::Elf_WXword v
)
1706 { this->p_
->r_info
= Convert
<size
, big_endian
>::convert_host(v
); }
1709 put_r_addend(typename Elf_types
<size
>::Elf_Swxword v
)
1710 { this->p_
->r_addend
= Convert
<size
, big_endian
>::convert_host(v
); }
1713 internal::Rela_data
<size
>* p_
;
1716 // MIPS-64 has a non-standard relocation layout.
1718 template<bool big_endian
>
1722 Mips64_rel(const unsigned char* p
)
1723 : p_(reinterpret_cast<const internal::Mips64_rel_data
*>(p
))
1726 template<typename File
>
1727 Mips64_rel(File
* file
, typename
File::Location loc
)
1728 : p_(reinterpret_cast<const internal::Mips64_rel_data
*>(
1729 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1732 typename Elf_types
<64>::Elf_Addr
1733 get_r_offset() const
1734 { return Convert
<64, big_endian
>::convert_host(this->p_
->r_offset
); }
1738 { return Convert
<32, big_endian
>::convert_host(this->p_
->r_sym
); }
1742 { return this->p_
->r_ssym
; }
1746 { return this->p_
->r_type
; }
1750 { return this->p_
->r_type2
; }
1754 { return this->p_
->r_type3
; }
1757 const internal::Mips64_rel_data
* p_
;
1760 template<bool big_endian
>
1761 class Mips64_rel_write
1764 Mips64_rel_write(unsigned char* p
)
1765 : p_(reinterpret_cast<internal::Mips64_rel_data
*>(p
))
1769 put_r_offset(typename Elf_types
<64>::Elf_Addr v
)
1770 { this->p_
->r_offset
= Convert
<64, big_endian
>::convert_host(v
); }
1773 put_r_sym(Elf_Word v
)
1774 { this->p_
->r_sym
= Convert
<32, big_endian
>::convert_host(v
); }
1777 put_r_ssym(unsigned char v
)
1778 { this->p_
->r_ssym
= v
; }
1781 put_r_type(unsigned char v
)
1782 { this->p_
->r_type
= v
; }
1785 put_r_type2(unsigned char v
)
1786 { this->p_
->r_type2
= v
; }
1789 put_r_type3(unsigned char v
)
1790 { this->p_
->r_type3
= v
; }
1793 internal::Mips64_rel_data
* p_
;
1796 template<bool big_endian
>
1800 Mips64_rela(const unsigned char* p
)
1801 : p_(reinterpret_cast<const internal::Mips64_rela_data
*>(p
))
1804 template<typename File
>
1805 Mips64_rela(File
* file
, typename
File::Location loc
)
1806 : p_(reinterpret_cast<const internal::Mips64_rela_data
*>(
1807 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1810 typename Elf_types
<64>::Elf_Addr
1811 get_r_offset() const
1812 { return Convert
<64, big_endian
>::convert_host(this->p_
->r_offset
); }
1816 { return Convert
<32, big_endian
>::convert_host(this->p_
->r_sym
); }
1820 { return this->p_
->r_ssym
; }
1824 { return this->p_
->r_type
; }
1828 { return this->p_
->r_type2
; }
1832 { return this->p_
->r_type3
; }
1834 typename Elf_types
<64>::Elf_Swxword
1835 get_r_addend() const
1836 { return Convert
<64, big_endian
>::convert_host(this->p_
->r_addend
); }
1839 const internal::Mips64_rela_data
* p_
;
1842 template<bool big_endian
>
1843 class Mips64_rela_write
1846 Mips64_rela_write(unsigned char* p
)
1847 : p_(reinterpret_cast<internal::Mips64_rela_data
*>(p
))
1851 put_r_offset(typename Elf_types
<64>::Elf_Addr v
)
1852 { this->p_
->r_offset
= Convert
<64, big_endian
>::convert_host(v
); }
1855 put_r_sym(Elf_Word v
)
1856 { this->p_
->r_sym
= Convert
<32, big_endian
>::convert_host(v
); }
1859 put_r_ssym(unsigned char v
)
1860 { this->p_
->r_ssym
= v
; }
1863 put_r_type(unsigned char v
)
1864 { this->p_
->r_type
= v
; }
1867 put_r_type2(unsigned char v
)
1868 { this->p_
->r_type2
= v
; }
1871 put_r_type3(unsigned char v
)
1872 { this->p_
->r_type3
= v
; }
1875 put_r_addend(typename Elf_types
<64>::Elf_Swxword v
)
1876 { this->p_
->r_addend
= Convert
<64, big_endian
>::convert_host(v
); }
1879 internal::Mips64_rela_data
* p_
;
1882 // Accessor classes for entries in the ELF SHT_DYNAMIC section aka
1883 // PT_DYNAMIC segment.
1885 template<int size
, bool big_endian
>
1889 Dyn(const unsigned char* p
)
1890 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(p
))
1893 template<typename File
>
1894 Dyn(File
* file
, typename
File::Location loc
)
1895 : p_(reinterpret_cast<const internal::Dyn_data
<size
>*>(
1896 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1899 typename Elf_types
<size
>::Elf_Swxword
1901 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_tag
); }
1903 typename Elf_types
<size
>::Elf_WXword
1905 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1907 typename Elf_types
<size
>::Elf_Addr
1909 { return Convert
<size
, big_endian
>::convert_host(this->p_
->d_val
); }
1912 const internal::Dyn_data
<size
>* p_
;
1915 // Write class for an entry in the SHT_DYNAMIC section.
1917 template<int size
, bool big_endian
>
1921 Dyn_write(unsigned char* p
)
1922 : p_(reinterpret_cast<internal::Dyn_data
<size
>*>(p
))
1926 put_d_tag(typename Elf_types
<size
>::Elf_Swxword v
)
1927 { this->p_
->d_tag
= Convert
<size
, big_endian
>::convert_host(v
); }
1930 put_d_val(typename Elf_types
<size
>::Elf_WXword v
)
1931 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1934 put_d_ptr(typename Elf_types
<size
>::Elf_Addr v
)
1935 { this->p_
->d_val
= Convert
<size
, big_endian
>::convert_host(v
); }
1938 internal::Dyn_data
<size
>* p_
;
1941 // Accessor classes for entries in the ELF SHT_GNU_verdef section.
1943 template<int size
, bool big_endian
>
1947 Verdef(const unsigned char* p
)
1948 : p_(reinterpret_cast<const internal::Verdef_data
*>(p
))
1951 template<typename File
>
1952 Verdef(File
* file
, typename
File::Location loc
)
1953 : p_(reinterpret_cast<const internal::Verdef_data
*>(
1954 file
->view(loc
.file_offset
, loc
.data_size
).data()))
1958 get_vd_version() const
1959 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_version
); }
1962 get_vd_flags() const
1963 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_flags
); }
1967 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_ndx
); }
1971 { return Convert
<16, big_endian
>::convert_host(this->p_
->vd_cnt
); }
1975 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_hash
); }
1979 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_aux
); }
1983 { return Convert
<32, big_endian
>::convert_host(this->p_
->vd_next
); }
1986 const internal::Verdef_data
* p_
;
1989 template<int size
, bool big_endian
>
1993 Verdef_write(unsigned char* p
)
1994 : p_(reinterpret_cast<internal::Verdef_data
*>(p
))
1998 set_vd_version(Elf_Half v
)
1999 { this->p_
->vd_version
= Convert
<16, big_endian
>::convert_host(v
); }
2002 set_vd_flags(Elf_Half v
)
2003 { this->p_
->vd_flags
= Convert
<16, big_endian
>::convert_host(v
); }
2006 set_vd_ndx(Elf_Half v
)
2007 { this->p_
->vd_ndx
= Convert
<16, big_endian
>::convert_host(v
); }
2010 set_vd_cnt(Elf_Half v
)
2011 { this->p_
->vd_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
2014 set_vd_hash(Elf_Word v
)
2015 { this->p_
->vd_hash
= Convert
<32, big_endian
>::convert_host(v
); }
2018 set_vd_aux(Elf_Word v
)
2019 { this->p_
->vd_aux
= Convert
<32, big_endian
>::convert_host(v
); }
2022 set_vd_next(Elf_Word v
)
2023 { this->p_
->vd_next
= Convert
<32, big_endian
>::convert_host(v
); }
2026 internal::Verdef_data
* p_
;
2029 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verdef
2032 template<int size
, bool big_endian
>
2036 Verdaux(const unsigned char* p
)
2037 : p_(reinterpret_cast<const internal::Verdaux_data
*>(p
))
2040 template<typename File
>
2041 Verdaux(File
* file
, typename
File::Location loc
)
2042 : p_(reinterpret_cast<const internal::Verdaux_data
*>(
2043 file
->view(loc
.file_offset
, loc
.data_size
).data()))
2047 get_vda_name() const
2048 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_name
); }
2051 get_vda_next() const
2052 { return Convert
<32, big_endian
>::convert_host(this->p_
->vda_next
); }
2055 const internal::Verdaux_data
* p_
;
2058 template<int size
, bool big_endian
>
2062 Verdaux_write(unsigned char* p
)
2063 : p_(reinterpret_cast<internal::Verdaux_data
*>(p
))
2067 set_vda_name(Elf_Word v
)
2068 { this->p_
->vda_name
= Convert
<32, big_endian
>::convert_host(v
); }
2071 set_vda_next(Elf_Word v
)
2072 { this->p_
->vda_next
= Convert
<32, big_endian
>::convert_host(v
); }
2075 internal::Verdaux_data
* p_
;
2078 // Accessor classes for entries in the ELF SHT_GNU_verneed section.
2080 template<int size
, bool big_endian
>
2084 Verneed(const unsigned char* p
)
2085 : p_(reinterpret_cast<const internal::Verneed_data
*>(p
))
2088 template<typename File
>
2089 Verneed(File
* file
, typename
File::Location loc
)
2090 : p_(reinterpret_cast<const internal::Verneed_data
*>(
2091 file
->view(loc
.file_offset
, loc
.data_size
).data()))
2095 get_vn_version() const
2096 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_version
); }
2100 { return Convert
<16, big_endian
>::convert_host(this->p_
->vn_cnt
); }
2104 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_file
); }
2108 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_aux
); }
2112 { return Convert
<32, big_endian
>::convert_host(this->p_
->vn_next
); }
2115 const internal::Verneed_data
* p_
;
2118 template<int size
, bool big_endian
>
2122 Verneed_write(unsigned char* p
)
2123 : p_(reinterpret_cast<internal::Verneed_data
*>(p
))
2127 set_vn_version(Elf_Half v
)
2128 { this->p_
->vn_version
= Convert
<16, big_endian
>::convert_host(v
); }
2131 set_vn_cnt(Elf_Half v
)
2132 { this->p_
->vn_cnt
= Convert
<16, big_endian
>::convert_host(v
); }
2135 set_vn_file(Elf_Word v
)
2136 { this->p_
->vn_file
= Convert
<32, big_endian
>::convert_host(v
); }
2139 set_vn_aux(Elf_Word v
)
2140 { this->p_
->vn_aux
= Convert
<32, big_endian
>::convert_host(v
); }
2143 set_vn_next(Elf_Word v
)
2144 { this->p_
->vn_next
= Convert
<32, big_endian
>::convert_host(v
); }
2147 internal::Verneed_data
* p_
;
2150 // Accessor classes for auxiliary entries in the ELF SHT_GNU_verneed
2153 template<int size
, bool big_endian
>
2157 Vernaux(const unsigned char* p
)
2158 : p_(reinterpret_cast<const internal::Vernaux_data
*>(p
))
2161 template<typename File
>
2162 Vernaux(File
* file
, typename
File::Location loc
)
2163 : p_(reinterpret_cast<const internal::Vernaux_data
*>(
2164 file
->view(loc
.file_offset
, loc
.data_size
).data()))
2168 get_vna_hash() const
2169 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_hash
); }
2172 get_vna_flags() const
2173 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_flags
); }
2176 get_vna_other() const
2177 { return Convert
<16, big_endian
>::convert_host(this->p_
->vna_other
); }
2180 get_vna_name() const
2181 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_name
); }
2184 get_vna_next() const
2185 { return Convert
<32, big_endian
>::convert_host(this->p_
->vna_next
); }
2188 const internal::Vernaux_data
* p_
;
2191 template<int size
, bool big_endian
>
2195 Vernaux_write(unsigned char* p
)
2196 : p_(reinterpret_cast<internal::Vernaux_data
*>(p
))
2200 set_vna_hash(Elf_Word v
)
2201 { this->p_
->vna_hash
= Convert
<32, big_endian
>::convert_host(v
); }
2204 set_vna_flags(Elf_Half v
)
2205 { this->p_
->vna_flags
= Convert
<16, big_endian
>::convert_host(v
); }
2208 set_vna_other(Elf_Half v
)
2209 { this->p_
->vna_other
= Convert
<16, big_endian
>::convert_host(v
); }
2212 set_vna_name(Elf_Word v
)
2213 { this->p_
->vna_name
= Convert
<32, big_endian
>::convert_host(v
); }
2216 set_vna_next(Elf_Word v
)
2217 { this->p_
->vna_next
= Convert
<32, big_endian
>::convert_host(v
); }
2220 internal::Vernaux_data
* p_
;
2223 } // End namespace elfcpp.
2225 #endif // !defined(ELFPCP_H)