elfdefinitions.m4 revision 1.4 
1dnl 	$NetBSD: elfdefinitions.m4,v 1.4 2022/05/02 20:27:43 jkoshy Exp $
2/*-
3 * Copyright (c) 2010,2021 Joseph Koshy
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27divert(-1)
28define(`VCSID_ELFDEFINITIONS_M4',
29	`Id: elfdefinitions.m4 3980 2022-05-02 19:50:00Z jkoshy')
30include(`elfconstants.m4')dnl
31
32define(`_',`ifelse(eval(len($1) <= 7),1,
33    `#define	$1		$2',
34    `#define	$1	$2')')
35divert(0)dnl
36
37/*
38 * WARNING: GENERATED FILE.  DO NOT MODIFY.
39 *
40 *  GENERATED FROM: VCSID_ELFDEFINITIONS_M4
41 *  GENERATED FROM: VCSID_ELFCONSTANTS_M4
42 */
43
44/*
45 * These definitions are based on:
46 * - The public specification of the ELF format as defined in the
47 *   October 2009 draft of System V ABI.
48 *   See: http://www.sco.com/developers/gabi/latest/ch4.intro.html
49 * - The May 1998 (version 1.5) draft of "The ELF-64 object format".
50 * - Processor-specific ELF ABI definitions for sparc, i386, amd64, mips,
51 *   ia64, powerpc, and RISC-V processors.
52 * - The "Linkers and Libraries Guide", from Sun Microsystems.
53 */
54
55#ifndef _SYS_ELFDEFINITIONS_H_
56#define _SYS_ELFDEFINITIONS_H_
57
58#include <stdint.h>
59
60/*
61 * Types of capabilities.
62 */
63DEFINE_CAPABILITIES()
64
65/*
66 * Flags used with dynamic linking entries.
67 */
68DEFINE_DYN_FLAGS()
69
70/*
71 * Dynamic linking entry types.
72 */
73DEFINE_DYN_TYPES()
74
75/* Aliases for dynamic linking entry symbols. */
76DEFINE_DYN_TYPE_ALIASES()
77
78/*
79 * Flags used in the executable header (field: e_flags).
80 */
81DEFINE_EHDR_FLAGS()
82
83/*
84 * Offsets in the `ei_ident[]' field of an ELF executable header.
85 */
86DEFINE_EI_OFFSETS()
87
88/*
89 * The ELF class of an object.
90 */
91DEFINE_ELF_CLASSES()
92
93/*
94 * Endianness of data in an ELF object.
95 */
96DEFINE_ELF_DATA_ENDIANNESSES()
97
98/*
99 * The magic numbers used in the initial four bytes of an ELF object.
100 *
101 * These numbers are: 0x7F, 'E', 'L' and 'F'.
102 */
103DEFINE_ELF_MAGIC_VALUES()
104/* Additional magic-related constants. */
105DEFINE_ELF_MAGIC_ADDITIONAL_CONSTANTS()
106
107/*
108 * ELF OS ABI field.
109 */
110DEFINE_ELF_OSABIS()
111
112/* OS ABI Aliases. */
113DEFINE_ELF_OSABI_ALIASES()
114
115/*
116 * ELF Machine types: (EM_*).
117 */
118DEFINE_ELF_MACHINE_TYPES()
119/* Other synonyms. */
120DEFINE_ELF_MACHINE_TYPE_SYNONYMS()
121
122/*
123 * ELF file types: (ET_*).
124 */
125DEFINE_ELF_TYPES()
126
127/* ELF file format version numbers. */
128DEFINE_ELF_FILE_VERSIONS()
129
130/*
131 * Flags for section groups.
132 */
133DEFINE_GRP_FLAGS()
134
135/*
136 * Flags / mask for .gnu.versym sections.
137 */
138DEFINE_VERSYMS()
139
140/*
141 * Flags used by program header table entries.
142 */
143DEFINE_PHDR_FLAGS()
144
145/*
146 * Types of program header table entries.
147 */
148DEFINE_PHDR_TYPES()
149/* synonyms. */
150DEFINE_PHDR_TYPE_SYNONYMS()
151
152/*
153 * Section flags.
154 */
155DEFINE_SECTION_FLAGS()
156
157/*
158 * Special section indices.
159 */
160DEFINE_SECTION_INDICES()
161
162/*
163 * Section types.
164 */
165DEFINE_SECTION_TYPES()
166/* Aliases for section types. */
167DEFINE_SECTION_TYPE_ALIASES()
168
169#define	PN_XNUM			0xFFFFU /* Use extended section numbering. */
170
171/*
172 * Symbol binding information.
173 */
174DEFINE_SYMBOL_BINDINGS()
175
176/*
177 * Symbol types
178 */
179DEFINE_SYMBOL_TYPES()
180/* Additional constants related to symbol types. */
181DEFINE_SYMBOL_TYPES_ADDITIONAL_CONSTANTS()
182
183/*
184 * Symbol binding.
185 */
186DEFINE_SYMBOL_BINDING_KINDS()
187
188/*
189 * Symbol visibility.
190 */
191DEFINE_SYMBOL_VISIBILITIES()
192
193/*
194 * Symbol flags.
195 */
196DEFINE_SYMBOL_FLAGS()
197
198/*
199 * Versioning dependencies.
200 */
201DEFINE_VERSIONING_DEPENDENCIES()
202
203/*
204 * Versioning flags.
205 */
206DEFINE_VERSIONING_FLAGS()
207
208/*
209 * Versioning needs
210 */
211DEFINE_VERSIONING_NEEDS()
212
213/*
214 * Versioning numbers.
215 */
216DEFINE_VERSIONING_NUMBERS()
217
218/**
219 ** Relocation types.
220 **/
221DEFINE_RELOCATIONS()
222
223/*
224 * MIPS ABI related.
225 */
226DEFINE_MIPS_ABIS()
227
228/**
229 ** ELF Types.
230 **/
231
232typedef uint32_t	Elf32_Addr;	/* Program address. */
233typedef uint8_t		Elf32_Byte;	/* Unsigned tiny integer. */
234typedef uint16_t	Elf32_Half;	/* Unsigned medium integer. */
235typedef uint32_t	Elf32_Off;	/* File offset. */
236typedef uint16_t	Elf32_Section;	/* Section index. */
237typedef int32_t		Elf32_Sword;	/* Signed integer. */
238typedef uint32_t	Elf32_Word;	/* Unsigned integer. */
239typedef uint64_t	Elf32_Lword;	/* Unsigned long integer. */
240
241typedef uint64_t	Elf64_Addr;	/* Program address. */
242typedef uint8_t		Elf64_Byte;	/* Unsigned tiny integer. */
243typedef uint16_t	Elf64_Half;	/* Unsigned medium integer. */
244typedef uint64_t	Elf64_Off;	/* File offset. */
245typedef uint16_t	Elf64_Section;	/* Section index. */
246typedef int32_t		Elf64_Sword;	/* Signed integer. */
247typedef uint32_t	Elf64_Word;	/* Unsigned integer. */
248typedef uint64_t	Elf64_Lword;	/* Unsigned long integer. */
249typedef uint64_t	Elf64_Xword;	/* Unsigned long integer. */
250typedef int64_t		Elf64_Sxword;	/* Signed long integer. */
251
252
253/*
254 * Capability descriptors.
255 */
256
257/* 32-bit capability descriptor. */
258typedef struct {
259	Elf32_Word	c_tag;	     /* Type of entry. */
260	union {
261		Elf32_Word	c_val; /* Integer value. */
262		Elf32_Addr	c_ptr; /* Pointer value. */
263	} c_un;
264} Elf32_Cap;
265
266/* 64-bit capability descriptor. */
267typedef struct {
268	Elf64_Xword	c_tag;	     /* Type of entry. */
269	union {
270		Elf64_Xword	c_val; /* Integer value. */
271		Elf64_Addr	c_ptr; /* Pointer value. */
272	} c_un;
273} Elf64_Cap;
274
275/*
276 * MIPS .conflict section entries.
277 */
278
279/* 32-bit entry. */
280typedef struct {
281	Elf32_Addr	c_index;
282} Elf32_Conflict;
283
284/* 64-bit entry. */
285typedef struct {
286	Elf64_Addr	c_index;
287} Elf64_Conflict;
288
289/*
290 * Dynamic section entries.
291 */
292
293/* 32-bit entry. */
294typedef struct {
295	Elf32_Sword	d_tag;	     /* Type of entry. */
296	union {
297		Elf32_Word	d_val; /* Integer value. */
298		Elf32_Addr	d_ptr; /* Pointer value. */
299	} d_un;
300} Elf32_Dyn;
301
302/* 64-bit entry. */
303typedef struct {
304	Elf64_Sxword	d_tag;	     /* Type of entry. */
305	union {
306		Elf64_Xword	d_val; /* Integer value. */
307		Elf64_Addr	d_ptr; /* Pointer value; */
308	} d_un;
309} Elf64_Dyn;
310
311
312/*
313 * The executable header (EHDR).
314 */
315
316/* 32 bit EHDR. */
317typedef struct {
318	unsigned char   e_ident[EI_NIDENT]; /* ELF identification. */
319	Elf32_Half      e_type;	     /* Object file type (ET_*). */
320	Elf32_Half      e_machine;   /* Machine type (EM_*). */
321	Elf32_Word      e_version;   /* File format version (EV_*). */
322	Elf32_Addr      e_entry;     /* Start address. */
323	Elf32_Off       e_phoff;     /* File offset to the PHDR table. */
324	Elf32_Off       e_shoff;     /* File offset to the SHDRheader. */
325	Elf32_Word      e_flags;     /* Flags (EF_*). */
326	Elf32_Half      e_ehsize;    /* Elf header size in bytes. */
327	Elf32_Half      e_phentsize; /* PHDR table entry size in bytes. */
328	Elf32_Half      e_phnum;     /* Number of PHDR entries. */
329	Elf32_Half      e_shentsize; /* SHDR table entry size in bytes. */
330	Elf32_Half      e_shnum;     /* Number of SHDR entries. */
331	Elf32_Half      e_shstrndx;  /* Index of section name string table. */
332} Elf32_Ehdr;
333
334
335/* 64 bit EHDR. */
336typedef struct {
337	unsigned char   e_ident[EI_NIDENT]; /* ELF identification. */
338	Elf64_Half      e_type;	     /* Object file type (ET_*). */
339	Elf64_Half      e_machine;   /* Machine type (EM_*). */
340	Elf64_Word      e_version;   /* File format version (EV_*). */
341	Elf64_Addr      e_entry;     /* Start address. */
342	Elf64_Off       e_phoff;     /* File offset to the PHDR table. */
343	Elf64_Off       e_shoff;     /* File offset to the SHDRheader. */
344	Elf64_Word      e_flags;     /* Flags (EF_*). */
345	Elf64_Half      e_ehsize;    /* Elf header size in bytes. */
346	Elf64_Half      e_phentsize; /* PHDR table entry size in bytes. */
347	Elf64_Half      e_phnum;     /* Number of PHDR entries. */
348	Elf64_Half      e_shentsize; /* SHDR table entry size in bytes. */
349	Elf64_Half      e_shnum;     /* Number of SHDR entries. */
350	Elf64_Half      e_shstrndx;  /* Index of section name string table. */
351} Elf64_Ehdr;
352
353
354/*
355 * Shared object information.
356 */
357
358/* 32-bit entry. */
359typedef struct {
360	Elf32_Word l_name;	     /* The name of a shared object. */
361	Elf32_Word l_time_stamp;     /* 32-bit timestamp. */
362	Elf32_Word l_checksum;	     /* Checksum of visible symbols, sizes. */
363	Elf32_Word l_version;	     /* Interface version string index. */
364	Elf32_Word l_flags;	     /* Flags (LL_*). */
365} Elf32_Lib;
366
367/* 64-bit entry. */
368typedef struct {
369	Elf64_Word l_name;	     /* The name of a shared object. */
370	Elf64_Word l_time_stamp;     /* 32-bit timestamp. */
371	Elf64_Word l_checksum;	     /* Checksum of visible symbols, sizes. */
372	Elf64_Word l_version;	     /* Interface version string index. */
373	Elf64_Word l_flags;	     /* Flags (LL_*). */
374} Elf64_Lib;
375
376DEFINE_LL_FLAGS()
377
378/*
379 * Note tags
380 */
381DEFINE_NOTE_ENTRY_TYPES()
382/* Aliases for the ABI tag. */
383DEFINE_NOTE_ENTRY_ALIASES()
384
385/*
386 * Note descriptors.
387 */
388
389typedef	struct {
390	uint32_t	n_namesz;    /* Length of note's name. */
391	uint32_t	n_descsz;    /* Length of note's value. */
392	uint32_t	n_type;	     /* Type of note. */
393} Elf_Note;
394
395typedef Elf_Note Elf32_Nhdr;	     /* 32-bit note header. */
396typedef Elf_Note Elf64_Nhdr;	     /* 64-bit note header. */
397
398/*
399 * MIPS ELF options descriptor header.
400 */
401
402typedef struct {
403	Elf64_Byte	kind;        /* Type of options. */
404	Elf64_Byte     	size;	     /* Size of option descriptor. */
405	Elf64_Half	section;     /* Index of section affected. */
406	Elf64_Word	info;        /* Kind-specific information. */
407} Elf_Options;
408
409/*
410 * Option kinds.
411 */
412DEFINE_OPTION_KINDS()
413
414/*
415 * ODK_EXCEPTIONS info field masks.
416 */
417DEFINE_OPTION_EXCEPTIONS()
418
419/*
420 * ODK_PAD info field masks.
421 */
422DEFINE_OPTION_PADS()
423
424/*
425 * ODK_HWPATCH info field masks and ODK_HWAND/ODK_HWOR info field
426 * and hwp_flags[12] masks.
427 */
428DEFINE_ODK_HWPATCH_MASKS()
429
430/*
431 * ODK_IDENT/ODK_GP_GROUP info field masks.
432 */
433DEFINE_ODK_GP_MASKS()
434
435/*
436 * MIPS ELF register info descriptor.
437 */
438
439/* 32 bit RegInfo entry. */
440typedef struct {
441	Elf32_Word	ri_gprmask;  /* Mask of general register used. */
442	Elf32_Word	ri_cprmask[4]; /* Mask of coprocessor register used. */
443	Elf32_Addr	ri_gp_value; /* GP register value. */
444} Elf32_RegInfo;
445
446/* 64 bit RegInfo entry. */
447typedef struct {
448	Elf64_Word	ri_gprmask;  /* Mask of general register used. */
449	Elf64_Word	ri_pad;	     /* Padding. */
450	Elf64_Word	ri_cprmask[4]; /* Mask of coprocessor register used. */
451	Elf64_Addr	ri_gp_value; /* GP register value. */
452} Elf64_RegInfo;
453
454/*
455 * Program Header Table (PHDR) entries.
456 */
457
458/* 32 bit PHDR entry. */
459typedef struct {
460	Elf32_Word	p_type;	     /* Type of segment. */
461	Elf32_Off	p_offset;    /* File offset to segment. */
462	Elf32_Addr	p_vaddr;     /* Virtual address in memory. */
463	Elf32_Addr	p_paddr;     /* Physical address (if relevant). */
464	Elf32_Word	p_filesz;    /* Size of segment in file. */
465	Elf32_Word	p_memsz;     /* Size of segment in memory. */
466	Elf32_Word	p_flags;     /* Segment flags. */
467	Elf32_Word	p_align;     /* Alignment constraints. */
468} Elf32_Phdr;
469
470/* 64 bit PHDR entry. */
471typedef struct {
472	Elf64_Word	p_type;	     /* Type of segment. */
473	Elf64_Word	p_flags;     /* Segment flags. */
474	Elf64_Off	p_offset;    /* File offset to segment. */
475	Elf64_Addr	p_vaddr;     /* Virtual address in memory. */
476	Elf64_Addr	p_paddr;     /* Physical address (if relevant). */
477	Elf64_Xword	p_filesz;    /* Size of segment in file. */
478	Elf64_Xword	p_memsz;     /* Size of segment in memory. */
479	Elf64_Xword	p_align;     /* Alignment constraints. */
480} Elf64_Phdr;
481
482
483/*
484 * Move entries, for describing data in COMMON blocks in a compact
485 * manner.
486 */
487
488/* 32-bit move entry. */
489typedef struct {
490	Elf32_Lword	m_value;     /* Initialization value. */
491	Elf32_Word 	m_info;	     /* Encoded size and index. */
492	Elf32_Word	m_poffset;   /* Offset relative to symbol. */
493	Elf32_Half	m_repeat;    /* Repeat count. */
494	Elf32_Half	m_stride;    /* Number of units to skip. */
495} Elf32_Move;
496
497/* 64-bit move entry. */
498typedef struct {
499	Elf64_Lword	m_value;     /* Initialization value. */
500	Elf64_Xword 	m_info;	     /* Encoded size and index. */
501	Elf64_Xword	m_poffset;   /* Offset relative to symbol. */
502	Elf64_Half	m_repeat;    /* Repeat count. */
503	Elf64_Half	m_stride;    /* Number of units to skip. */
504} Elf64_Move;
505
506#define ELF32_M_SYM(I)		((I) >> 8)
507#define ELF32_M_SIZE(I)		((unsigned char) (I))
508#define ELF32_M_INFO(M, S)	(((M) << 8) + (unsigned char) (S))
509
510#define ELF64_M_SYM(I)		((I) >> 8)
511#define ELF64_M_SIZE(I)		((unsigned char) (I))
512#define ELF64_M_INFO(M, S)	(((M) << 8) + (unsigned char) (S))
513
514/*
515 * Section Header Table (SHDR) entries.
516 */
517
518/* 32 bit SHDR */
519typedef struct {
520	Elf32_Word	sh_name;     /* index of section name */
521	Elf32_Word	sh_type;     /* section type */
522	Elf32_Word	sh_flags;    /* section flags */
523	Elf32_Addr	sh_addr;     /* in-memory address of section */
524	Elf32_Off	sh_offset;   /* file offset of section */
525	Elf32_Word	sh_size;     /* section size in bytes */
526	Elf32_Word	sh_link;     /* section header table link */
527	Elf32_Word	sh_info;     /* extra information */
528	Elf32_Word	sh_addralign; /* alignment constraint */
529	Elf32_Word	sh_entsize;   /* size for fixed-size entries */
530} Elf32_Shdr;
531
532/* 64 bit SHDR */
533typedef struct {
534	Elf64_Word	sh_name;     /* index of section name */
535	Elf64_Word	sh_type;     /* section type */
536	Elf64_Xword	sh_flags;    /* section flags */
537	Elf64_Addr	sh_addr;     /* in-memory address of section */
538	Elf64_Off	sh_offset;   /* file offset of section */
539	Elf64_Xword	sh_size;     /* section size in bytes */
540	Elf64_Word	sh_link;     /* section header table link */
541	Elf64_Word	sh_info;     /* extra information */
542	Elf64_Xword	sh_addralign; /* alignment constraint */
543	Elf64_Xword	sh_entsize;  /* size for fixed-size entries */
544} Elf64_Shdr;
545
546
547/*
548 * Symbol table entries.
549 */
550
551typedef struct {
552	Elf32_Word	st_name;     /* index of symbol's name */
553	Elf32_Addr	st_value;    /* value for the symbol */
554	Elf32_Word	st_size;     /* size of associated data */
555	unsigned char	st_info;     /* type and binding attributes */
556	unsigned char	st_other;    /* visibility */
557	Elf32_Half	st_shndx;    /* index of related section */
558} Elf32_Sym;
559
560typedef struct {
561	Elf64_Word	st_name;     /* index of symbol's name */
562	unsigned char	st_info;     /* type and binding attributes */
563	unsigned char	st_other;    /* visibility */
564	Elf64_Half	st_shndx;    /* index of related section */
565	Elf64_Addr	st_value;    /* value for the symbol */
566	Elf64_Xword	st_size;     /* size of associated data */
567} Elf64_Sym;
568
569#define ELF32_ST_BIND(I)	((I) >> 4)
570#define ELF32_ST_TYPE(I)	((I) & 0xFU)
571#define ELF32_ST_INFO(B,T)	(((B) << 4) + ((T) & 0xF))
572
573#define ELF64_ST_BIND(I)	((I) >> 4)
574#define ELF64_ST_TYPE(I)	((I) & 0xFU)
575#define ELF64_ST_INFO(B,T)	(((B) << 4) + ((T) & 0xF))
576
577#define ELF32_ST_VISIBILITY(O)	((O) & 0x3)
578#define ELF64_ST_VISIBILITY(O)	((O) & 0x3)
579
580/*
581 * Syminfo descriptors, containing additional symbol information.
582 */
583
584/* 32-bit entry. */
585typedef struct {
586	Elf32_Half	si_boundto;  /* Entry index with additional flags. */
587	Elf32_Half	si_flags;    /* Flags. */
588} Elf32_Syminfo;
589
590/* 64-bit entry. */
591typedef struct {
592	Elf64_Half	si_boundto;  /* Entry index with additional flags. */
593	Elf64_Half	si_flags;    /* Flags. */
594} Elf64_Syminfo;
595
596/*
597 * Relocation descriptors.
598 */
599
600typedef struct {
601	Elf32_Addr	r_offset;    /* location to apply relocation to */
602	Elf32_Word	r_info;	     /* type+section for relocation */
603} Elf32_Rel;
604
605typedef struct {
606	Elf32_Addr	r_offset;    /* location to apply relocation to */
607	Elf32_Word	r_info;      /* type+section for relocation */
608	Elf32_Sword	r_addend;    /* constant addend */
609} Elf32_Rela;
610
611typedef struct {
612	Elf64_Addr	r_offset;    /* location to apply relocation to */
613	Elf64_Xword	r_info;      /* type+section for relocation */
614} Elf64_Rel;
615
616typedef struct {
617	Elf64_Addr	r_offset;    /* location to apply relocation to */
618	Elf64_Xword	r_info;      /* type+section for relocation */
619	Elf64_Sxword	r_addend;    /* constant addend */
620} Elf64_Rela;
621
622
623#define ELF32_R_SYM(I)		((I) >> 8)
624#define ELF32_R_TYPE(I)		((unsigned char) (I))
625#define ELF32_R_INFO(S,T)	(((S) << 8) + (unsigned char) (T))
626
627#define ELF64_R_SYM(I)		((I) >> 32)
628#define ELF64_R_TYPE(I)		((I) & 0xFFFFFFFFUL)
629#define ELF64_R_INFO(S,T)	\
630	(((Elf64_Xword) (S) << 32) + ((T) & 0xFFFFFFFFUL))
631
632/*
633 * Symbol versioning structures.
634 */
635
636/* 32-bit structures. */
637typedef struct
638{
639	Elf32_Word	vda_name;    /* Index to name. */
640	Elf32_Word	vda_next;    /* Offset to next entry. */
641} Elf32_Verdaux;
642
643typedef struct
644{
645	Elf32_Word	vna_hash;    /* Hash value of dependency name. */
646	Elf32_Half	vna_flags;   /* Flags. */
647	Elf32_Half	vna_other;   /* Unused. */
648	Elf32_Word	vna_name;    /* Offset to dependency name. */
649	Elf32_Word	vna_next;    /* Offset to next vernaux entry. */
650} Elf32_Vernaux;
651
652typedef struct
653{
654	Elf32_Half	vd_version;  /* Version information. */
655	Elf32_Half	vd_flags;    /* Flags. */
656	Elf32_Half	vd_ndx;	     /* Index into the versym section. */
657	Elf32_Half	vd_cnt;	     /* Number of aux entries. */
658	Elf32_Word	vd_hash;     /* Hash value of name. */
659	Elf32_Word	vd_aux;	     /* Offset to aux entries. */
660	Elf32_Word	vd_next;     /* Offset to next version definition. */
661} Elf32_Verdef;
662
663typedef struct
664{
665	Elf32_Half	vn_version;  /* Version number. */
666	Elf32_Half	vn_cnt;	     /* Number of aux entries. */
667	Elf32_Word	vn_file;     /* Offset of associated file name. */
668	Elf32_Word	vn_aux;	     /* Offset of vernaux array. */
669	Elf32_Word	vn_next;     /* Offset of next verneed entry. */
670} Elf32_Verneed;
671
672typedef Elf32_Half	Elf32_Versym;
673
674/* 64-bit structures. */
675
676typedef struct {
677	Elf64_Word	vda_name;    /* Index to name. */
678	Elf64_Word	vda_next;    /* Offset to next entry. */
679} Elf64_Verdaux;
680
681typedef struct {
682	Elf64_Word	vna_hash;    /* Hash value of dependency name. */
683	Elf64_Half	vna_flags;   /* Flags. */
684	Elf64_Half	vna_other;   /* Unused. */
685	Elf64_Word	vna_name;    /* Offset to dependency name. */
686	Elf64_Word	vna_next;    /* Offset to next vernaux entry. */
687} Elf64_Vernaux;
688
689typedef struct {
690	Elf64_Half	vd_version;  /* Version information. */
691	Elf64_Half	vd_flags;    /* Flags. */
692	Elf64_Half	vd_ndx;	     /* Index into the versym section. */
693	Elf64_Half	vd_cnt;	     /* Number of aux entries. */
694	Elf64_Word	vd_hash;     /* Hash value of name. */
695	Elf64_Word	vd_aux;	     /* Offset to aux entries. */
696	Elf64_Word	vd_next;     /* Offset to next version definition. */
697} Elf64_Verdef;
698
699typedef struct {
700	Elf64_Half	vn_version;  /* Version number. */
701	Elf64_Half	vn_cnt;	     /* Number of aux entries. */
702	Elf64_Word	vn_file;     /* Offset of associated file name. */
703	Elf64_Word	vn_aux;	     /* Offset of vernaux array. */
704	Elf64_Word	vn_next;     /* Offset of next verneed entry. */
705} Elf64_Verneed;
706
707typedef Elf64_Half	Elf64_Versym;
708
709
710/*
711 * The header for GNU-style hash sections.
712 */
713
714typedef struct {
715	uint32_t	gh_nbuckets;	/* Number of hash buckets. */
716	uint32_t	gh_symndx;	/* First visible symbol in .dynsym. */
717	uint32_t	gh_maskwords;	/* #maskwords used in bloom filter. */
718	uint32_t	gh_shift2;	/* Bloom filter shift count. */
719} Elf_GNU_Hash_Header;
720
721#endif	/* _SYS_ELFDEFINITIONS_H_ */
722