elf.h revision 11827:d7ef53deac3f
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
27/*	  All Rights Reserved  	*/
28
29
30#ifndef _SYS_ELF_H
31#define	_SYS_ELF_H
32
33#include <sys/elftypes.h>
34
35#ifdef	__cplusplus
36extern "C" {
37#endif
38
39#define	ELF32_FSZ_ADDR	4
40#define	ELF32_FSZ_HALF	2
41#define	ELF32_FSZ_OFF	4
42#define	ELF32_FSZ_SWORD	4
43#define	ELF32_FSZ_WORD	4
44
45#define	ELF64_FSZ_ADDR	8
46#define	ELF64_FSZ_HALF	2
47#define	ELF64_FSZ_OFF	8
48#define	ELF64_FSZ_SWORD	4
49#define	ELF64_FSZ_WORD	4
50#define	ELF64_FSZ_SXWORD 8
51#define	ELF64_FSZ_XWORD	8
52
53/*
54 *	"Enumerations" below use ...NUM as the number of
55 *	values in the list.  It should be 1 greater than the
56 *	highest "real" value.
57 */
58
59/*
60 *	ELF header
61 */
62
63#define	EI_NIDENT	16
64
65typedef struct {
66	unsigned char	e_ident[EI_NIDENT];	/* ident bytes */
67	Elf32_Half	e_type;			/* file type */
68	Elf32_Half	e_machine;		/* target machine */
69	Elf32_Word	e_version;		/* file version */
70	Elf32_Addr	e_entry;		/* start address */
71	Elf32_Off	e_phoff;		/* phdr file offset */
72	Elf32_Off	e_shoff;		/* shdr file offset */
73	Elf32_Word	e_flags;		/* file flags */
74	Elf32_Half	e_ehsize;		/* sizeof ehdr */
75	Elf32_Half	e_phentsize;		/* sizeof phdr */
76	Elf32_Half	e_phnum;		/* number phdrs */
77	Elf32_Half	e_shentsize;		/* sizeof shdr */
78	Elf32_Half	e_shnum;		/* number shdrs */
79	Elf32_Half	e_shstrndx;		/* shdr string index */
80} Elf32_Ehdr;
81
82#if defined(_LP64) || defined(_LONGLONG_TYPE)
83typedef struct {
84	unsigned char	e_ident[EI_NIDENT];	/* ident bytes */
85	Elf64_Half	e_type;			/* file type */
86	Elf64_Half	e_machine;		/* target machine */
87	Elf64_Word	e_version;		/* file version */
88	Elf64_Addr	e_entry;		/* start address */
89	Elf64_Off	e_phoff;		/* phdr file offset */
90	Elf64_Off	e_shoff;		/* shdr file offset */
91	Elf64_Word	e_flags;		/* file flags */
92	Elf64_Half	e_ehsize;		/* sizeof ehdr */
93	Elf64_Half	e_phentsize;		/* sizeof phdr */
94	Elf64_Half	e_phnum;		/* number phdrs */
95	Elf64_Half	e_shentsize;		/* sizeof shdr */
96	Elf64_Half	e_shnum;		/* number shdrs */
97	Elf64_Half	e_shstrndx;		/* shdr string index */
98} Elf64_Ehdr;
99#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
100
101
102#define	EI_MAG0		0	/* e_ident[] indexes */
103#define	EI_MAG1		1
104#define	EI_MAG2		2
105#define	EI_MAG3		3
106#define	EI_CLASS	4	/* File class */
107#define	EI_DATA		5	/* Data encoding */
108#define	EI_VERSION	6	/* File version */
109#define	EI_OSABI	7	/* Operating system/ABI identification */
110#define	EI_ABIVERSION	8	/* ABI version */
111#define	EI_PAD		9	/* Start of padding bytes */
112
113#define	ELFMAG0		0x7f		/* EI_MAG */
114#define	ELFMAG1		'E'
115#define	ELFMAG2		'L'
116#define	ELFMAG3		'F'
117#define	ELFMAG		"\177ELF"
118#define	SELFMAG		4
119
120#define	ELFCLASSNONE	0		/* EI_CLASS */
121#define	ELFCLASS32	1
122#define	ELFCLASS64	2
123#define	ELFCLASSNUM	3
124
125#define	ELFDATANONE	0		/* EI_DATA */
126#define	ELFDATA2LSB	1
127#define	ELFDATA2MSB	2
128#define	ELFDATANUM	3
129
130#define	ET_NONE		0		/* e_type */
131#define	ET_REL		1
132#define	ET_EXEC		2
133#define	ET_DYN		3
134#define	ET_CORE		4
135#define	ET_NUM		5
136#define	ET_LOOS		0xfe00		/* OS specific range */
137#define	ET_LOSUNW	0xfeff
138#define	ET_SUNWPSEUDO	0xfeff
139#define	ET_HISUNW	0xfeff
140#define	ET_HIOS		0xfeff
141#define	ET_LOPROC	0xff00		/* processor specific range */
142#define	ET_HIPROC	0xffff
143
144#define	ET_LOPROC	0xff00		/* processor specific range */
145#define	ET_HIPROC	0xffff
146
147#define	EM_NONE		0		/* e_machine */
148#define	EM_M32		1		/* AT&T WE 32100 */
149#define	EM_SPARC	2		/* Sun SPARC */
150#define	EM_386		3		/* Intel 80386 */
151#define	EM_68K		4		/* Motorola 68000 */
152#define	EM_88K		5		/* Motorola 88000 */
153#define	EM_486		6		/* Intel 80486 */
154#define	EM_860		7		/* Intel i860 */
155#define	EM_MIPS		8		/* MIPS RS3000 Big-Endian */
156#define	EM_S370		9		/* IBM System/370 Processor */
157#define	EM_MIPS_RS3_LE	10		/* MIPS RS3000 Little-Endian */
158#define	EM_RS6000	11		/* RS6000 */
159#define	EM_UNKNOWN12	12
160#define	EM_UNKNOWN13	13
161#define	EM_UNKNOWN14	14
162#define	EM_PA_RISC	15		/* PA-RISC */
163#define	EM_PARISC	EM_PA_RISC	/* Alias: GNU compatibility */
164#define	EM_nCUBE	16		/* nCUBE */
165#define	EM_VPP500	17		/* Fujitsu VPP500 */
166#define	EM_SPARC32PLUS	18		/* Sun SPARC 32+ */
167#define	EM_960		19		/* Intel 80960 */
168#define	EM_PPC		20		/* PowerPC */
169#define	EM_PPC64	21		/* 64-bit PowerPC */
170#define	EM_S390		22		/* IBM System/390 Processor */
171#define	EM_UNKNOWN22	EM_S390		/* Alias: Older published name */
172#define	EM_UNKNOWN23	23
173#define	EM_UNKNOWN24	24
174#define	EM_UNKNOWN25	25
175#define	EM_UNKNOWN26	26
176#define	EM_UNKNOWN27	27
177#define	EM_UNKNOWN28	28
178#define	EM_UNKNOWN29	29
179#define	EM_UNKNOWN30	30
180#define	EM_UNKNOWN31	31
181#define	EM_UNKNOWN32	32
182#define	EM_UNKNOWN33	33
183#define	EM_UNKNOWN34	34
184#define	EM_UNKNOWN35	35
185#define	EM_V800		36		/* NEX V800 */
186#define	EM_FR20		37		/* Fujitsu FR20 */
187#define	EM_RH32		38		/* TRW RH-32 */
188#define	EM_RCE		39		/* Motorola RCE */
189#define	EM_ARM		40		/* Advanced RISC Marchines ARM */
190#define	EM_ALPHA	41		/* Digital Alpha */
191#define	EM_SH		42		/* Hitachi SH */
192#define	EM_SPARCV9	43		/* Sun SPARC V9 (64-bit) */
193#define	EM_TRICORE	44		/* Siemens Tricore embedded processor */
194#define	EM_ARC		45		/* Argonaut RISC Core, */
195					/*	Argonaut Technologies Inc. */
196#define	EM_H8_300	46		/* Hitachi H8/300 */
197#define	EM_H8_300H	47		/* Hitachi H8/300H */
198#define	EM_H8S		48		/* Hitachi H8S */
199#define	EM_H8_500	49		/* Hitachi H8/500 */
200#define	EM_IA_64	50		/* Intel IA64 */
201#define	EM_MIPS_X	51		/* Stanford MIPS-X */
202#define	EM_COLDFIRE	52		/* Motorola ColdFire */
203#define	EM_68HC12	53		/* Motorola M68HC12 */
204#define	EM_MMA		54		/* Fujitsu MMA Mulimedia Accelerator */
205#define	EM_PCP		55		/* Siemens PCP */
206#define	EM_NCPU		56		/* Sony nCPU embedded RISC processor */
207#define	EM_NDR1		57		/* Denso NDR1 microprocessor */
208#define	EM_STARCORE	58		/* Motorola Star*Core processor */
209#define	EM_ME16		59		/* Toyota ME16 processor */
210#define	EM_ST100	60		/* STMicroelectronics ST100 processor */
211#define	EM_TINYJ	61		/* Advanced Logic Corp. TinyJ */
212					/*	embedded processor family */
213#define	EM_AMD64	62		/* AMDs x86-64 architecture */
214#define	EM_X86_64	EM_AMD64	/* (compatibility) */
215
216#define	EM_PDSP		63		/* Sony DSP Processor */
217#define	EM_UNKNOWN64	64
218#define	EM_UNKNOWN65	65
219#define	EM_FX66		66		/* Siemens FX66 microcontroller */
220#define	EM_ST9PLUS	67		/* STMicroelectronics ST9+8/16 bit */
221					/*	microcontroller */
222#define	EM_ST7		68		/* STMicroelectronics ST7 8-bit */
223					/*	microcontroller */
224#define	EM_68HC16	69		/* Motorola MC68HC16 Microcontroller */
225#define	EM_68HC11	70		/* Motorola MC68HC11 Microcontroller */
226#define	EM_68HC08	71		/* Motorola MC68HC08 Microcontroller */
227#define	EM_68HC05	72		/* Motorola MC68HC05 Microcontroller */
228#define	EM_SVX		73		/* Silicon Graphics SVx */
229#define	EM_ST19		74		/* STMicroelectronics ST19 8-bit */
230					/*	microcontroller */
231#define	EM_VAX		75		/* Digital VAX */
232#define	EM_CRIS		76		/* Axis Communications 32-bit */
233					/*	embedded processor */
234#define	EM_JAVELIN	77		/* Infineon Technologies 32-bit */
235					/*	embedded processor */
236#define	EM_FIREPATH	78		/* Element 14 64-bit DSP Processor */
237#define	EM_ZSP		79		/* LSI Logic 16-bit DSP Processor */
238#define	EM_MMIX		80		/* Donald Knuth's educational */
239					/*	64-bit processor */
240#define	EM_HUANY	81		/* Harvard University */
241					/*	machine-independent */
242					/*	object files */
243#define	EM_PRISM	82		/* SiTera Prism */
244#define	EM_AVR		83		/* Atmel AVR 8-bit microcontroller */
245#define	EM_FR30		84		/* Fujitsu FR30 */
246#define	EM_D10V		85		/* Mitsubishi D10V */
247#define	EM_D30V		86		/* Mitsubishi D30V */
248#define	EM_V850		87		/* NEC v850 */
249#define	EM_M32R		88		/* Mitsubishi M32R */
250#define	EM_MN10300	89		/* Matsushita MN10300 */
251#define	EM_MN10200	90		/* Matsushita MN10200 */
252#define	EM_PJ		91		/* picoJava */
253#define	EM_OPENRISC	92		/* OpenRISC 32-bit embedded processor */
254#define	EM_ARC_A5	93		/* ARC Cores Tangent-A5 */
255#define	EM_XTENSA	94		/* Tensilica Xtensa architecture */
256#define	EM_NUM		95
257
258#define	EV_NONE		0		/* e_version, EI_VERSION */
259#define	EV_CURRENT	1
260#define	EV_NUM		2
261
262
263#define	ELFOSABI_NONE		0	/* No extensions or unspecified */
264#define	ELFOSABI_SYSV		ELFOSABI_NONE
265#define	ELFOSABI_HPUX		1	/* Hewlett-Packard HP-UX */
266#define	ELFOSABI_NETBSD		2	/* NetBSD */
267#define	ELFOSABI_LINUX		3	/* Linux */
268#define	ELFOSABI_UNKNOWN4	4
269#define	ELFOSABI_UNKNOWN5	5
270#define	ELFOSABI_SOLARIS	6	/* Sun Solaris */
271#define	ELFOSABI_AIX		7	/* AIX */
272#define	ELFOSABI_IRIX		8	/* IRIX */
273#define	ELFOSABI_FREEBSD	9	/* FreeBSD */
274#define	ELFOSABI_TRU64		10	/* Compaq TRU64 UNIX */
275#define	ELFOSABI_MODESTO	11	/* Novell Modesto */
276#define	ELFOSABI_OPENBSD	12	/* Open BSD */
277#define	ELFOSABI_OPENVMS	13	/* Open VMS */
278#define	ELFOSABI_NSK		14	/* Hewlett-Packard Non-Stop Kernel */
279#define	ELFOSABI_AROS		15	/* Amiga Research OS */
280#define	ELFOSABI_ARM		97	/* ARM */
281#define	ELFOSABI_STANDALONE	255	/* standalone (embedded) application */
282
283#define	EAV_SUNW_NONE		0	/* EI_ABIVERSION */
284#define	EAV_SUNW_CURRENT	1
285#define	EAV_SUNW_NUM		2
286
287
288/*
289 *	Program header
290 */
291
292typedef struct {
293	Elf32_Word	p_type;		/* entry type */
294	Elf32_Off	p_offset;	/* file offset */
295	Elf32_Addr	p_vaddr;	/* virtual address */
296	Elf32_Addr	p_paddr;	/* physical address */
297	Elf32_Word	p_filesz;	/* file size */
298	Elf32_Word	p_memsz;	/* memory size */
299	Elf32_Word	p_flags;	/* entry flags */
300	Elf32_Word	p_align;	/* memory/file alignment */
301} Elf32_Phdr;
302
303#if defined(_LP64) || defined(_LONGLONG_TYPE)
304typedef struct {
305	Elf64_Word	p_type;		/* entry type */
306	Elf64_Word	p_flags;	/* entry flags */
307	Elf64_Off	p_offset;	/* file offset */
308	Elf64_Addr	p_vaddr;	/* virtual address */
309	Elf64_Addr	p_paddr;	/* physical address */
310	Elf64_Xword	p_filesz;	/* file size */
311	Elf64_Xword	p_memsz;	/* memory size */
312	Elf64_Xword	p_align;	/* memory/file alignment */
313} Elf64_Phdr;
314#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
315
316
317#define	PT_NULL		0		/* p_type */
318#define	PT_LOAD		1
319#define	PT_DYNAMIC	2
320#define	PT_INTERP	3
321#define	PT_NOTE		4
322#define	PT_SHLIB	5
323#define	PT_PHDR		6
324#define	PT_TLS		7
325#define	PT_NUM		8
326
327#define	PT_LOOS		0x60000000	/* OS specific range */
328
329/*
330 * PT_SUNW_UNWIND and PT_SUNW_EH_FRAME perform the same function,
331 * providing access to the .eh_frame_hdr section of the object.
332 * PT_SUNW_UNWIND is the original value, while PT_SUNW_EH_FRAME is
333 * required by the amd64 psABI. The Solaris link-editor (ld) tags output
334 * objects with PT_SUNW_UNWIND, but the Solaris runtime linker (ld.so.1)
335 * will accept and use either value.
336 */
337#define	PT_SUNW_UNWIND		0x6464e550
338#define	PT_SUNW_EH_FRAME	0x6474e550
339#define	PT_GNU_EH_FRAME		PT_SUNW_EH_FRAME
340
341/*
342 * Linux specific program headers not currently used by Solaris
343 */
344#define	PT_GNU_STACK	0x6474e551	/* Indicates stack executability */
345#define	PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */
346
347#define	PT_LOSUNW	0x6ffffffa
348#define	PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment (unused) */
349#define	PT_SUNWSTACK	0x6ffffffb	/* describes the stack segment */
350#define	PT_SUNWDTRACE	0x6ffffffc	/* private */
351#define	PT_SUNWCAP	0x6ffffffd	/* hard/soft capabilities segment */
352#define	PT_HISUNW	0x6fffffff
353#define	PT_HIOS		0x6fffffff
354
355#define	PT_LOPROC	0x70000000	/* processor specific range */
356#define	PT_HIPROC	0x7fffffff
357
358#define	PF_R		0x4		/* p_flags */
359#define	PF_W		0x2
360#define	PF_X		0x1
361
362#define	PF_MASKOS	0x0ff00000	/* OS specific values */
363#define	PF_MASKPROC	0xf0000000	/* processor specific values */
364
365#define	PF_SUNW_FAILURE	0x00100000	/* mapping absent due to failure */
366
367#define	PN_XNUM		0xffff		/* extended program header index */
368
369/*
370 *	Section header
371 */
372
373typedef struct {
374	Elf32_Word	sh_name;	/* section name */
375	Elf32_Word	sh_type;	/* SHT_... */
376	Elf32_Word	sh_flags;	/* SHF_... */
377	Elf32_Addr	sh_addr;	/* virtual address */
378	Elf32_Off	sh_offset;	/* file offset */
379	Elf32_Word	sh_size;	/* section size */
380	Elf32_Word	sh_link;	/* misc info */
381	Elf32_Word	sh_info;	/* misc info */
382	Elf32_Word	sh_addralign;	/* memory alignment */
383	Elf32_Word	sh_entsize;	/* entry size if table */
384} Elf32_Shdr;
385
386#if defined(_LP64) || defined(_LONGLONG_TYPE)
387typedef struct {
388	Elf64_Word	sh_name;	/* section name */
389	Elf64_Word	sh_type;	/* SHT_... */
390	Elf64_Xword	sh_flags;	/* SHF_... */
391	Elf64_Addr	sh_addr;	/* virtual address */
392	Elf64_Off	sh_offset;	/* file offset */
393	Elf64_Xword	sh_size;	/* section size */
394	Elf64_Word	sh_link;	/* misc info */
395	Elf64_Word	sh_info;	/* misc info */
396	Elf64_Xword	sh_addralign;	/* memory alignment */
397	Elf64_Xword	sh_entsize;	/* entry size if table */
398} Elf64_Shdr;
399#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
400
401#define	SHT_NULL		0		/* sh_type */
402#define	SHT_PROGBITS		1
403#define	SHT_SYMTAB		2
404#define	SHT_STRTAB		3
405#define	SHT_RELA		4
406#define	SHT_HASH		5
407#define	SHT_DYNAMIC		6
408#define	SHT_NOTE		7
409#define	SHT_NOBITS		8
410#define	SHT_REL			9
411#define	SHT_SHLIB		10
412#define	SHT_DYNSYM		11
413#define	SHT_UNKNOWN12		12
414#define	SHT_UNKNOWN13		13
415#define	SHT_INIT_ARRAY		14
416#define	SHT_FINI_ARRAY		15
417#define	SHT_PREINIT_ARRAY	16
418#define	SHT_GROUP		17
419#define	SHT_SYMTAB_SHNDX	18
420#define	SHT_NUM			19
421
422/* Solaris ABI specific values */
423#define	SHT_LOOS		0x60000000	/* OS specific range */
424#define	SHT_LOSUNW		0x6fffffef
425#define	SHT_SUNW_capchain	0x6fffffef
426#define	SHT_SUNW_capinfo	0x6ffffff0
427#define	SHT_SUNW_symsort	0x6ffffff1
428#define	SHT_SUNW_tlssort	0x6ffffff2
429#define	SHT_SUNW_LDYNSYM	0x6ffffff3
430#define	SHT_SUNW_dof		0x6ffffff4
431#define	SHT_SUNW_cap		0x6ffffff5
432#define	SHT_SUNW_SIGNATURE	0x6ffffff6
433#define	SHT_SUNW_ANNOTATE	0x6ffffff7
434#define	SHT_SUNW_DEBUGSTR	0x6ffffff8
435#define	SHT_SUNW_DEBUG		0x6ffffff9
436#define	SHT_SUNW_move		0x6ffffffa
437#define	SHT_SUNW_COMDAT		0x6ffffffb
438#define	SHT_SUNW_syminfo	0x6ffffffc
439#define	SHT_SUNW_verdef		0x6ffffffd
440#define	SHT_GNU_verdef		SHT_SUNW_verdef
441#define	SHT_SUNW_verneed	0x6ffffffe
442#define	SHT_GNU_verneed		SHT_SUNW_verneed
443#define	SHT_SUNW_versym		0x6fffffff
444#define	SHT_GNU_versym		SHT_SUNW_versym
445#define	SHT_HISUNW		0x6fffffff
446#define	SHT_HIOS		0x6fffffff
447
448/*
449 * GNU/Linux OSABI specific values with different meanings than under Solaris.
450 * Due to the overlap in assigned values with the Solaris OSABI, correct
451 * interpretation of these values requires knowledge of the OSABI used by
452 * the object.
453 */
454#define	SHT_GNU_ATTRIBUTES	0x6ffffff5	/* Object attributes */
455#define	SHT_GNU_HASH		0x6ffffff6	/* GNU-style hash table */
456#define	SHT_GNU_LIBLIST		0x6ffffff7	/* Prelink library list */
457#define	SHT_CHECKSUM		0x6ffffff8	/* Checksum for DSO content */
458
459#define	SHT_LOPROC	0x70000000	/* processor specific range */
460#define	SHT_HIPROC	0x7fffffff
461
462#define	SHT_LOUSER	0x80000000
463#define	SHT_HIUSER	0xffffffff
464
465#define	SHF_WRITE		0x01		/* sh_flags */
466#define	SHF_ALLOC		0x02
467#define	SHF_EXECINSTR		0x04
468#define	SHF_MERGE		0x10
469#define	SHF_STRINGS		0x20
470#define	SHF_INFO_LINK		0x40
471#define	SHF_LINK_ORDER		0x80
472#define	SHF_OS_NONCONFORMING	0x100
473#define	SHF_GROUP		0x200
474#define	SHF_TLS			0x400
475
476#define	SHF_MASKOS	0x0ff00000	/* OS specific values */
477
478
479#define	SHF_MASKPROC	0xf0000000	/* processor specific values */
480
481#define	SHN_UNDEF	0		/* special section numbers */
482#define	SHN_LORESERVE	0xff00
483#define	SHN_LOPROC	0xff00		/* processor specific range */
484#define	SHN_HIPROC	0xff1f
485#define	SHN_LOOS	0xff20		/* OS specific range */
486#define	SHN_LOSUNW	0xff3f
487#define	SHN_SUNW_IGNORE	0xff3f
488#define	SHN_HISUNW	0xff3f
489#define	SHN_HIOS	0xff3f
490#define	SHN_ABS		0xfff1
491#define	SHN_COMMON	0xfff2
492#define	SHN_XINDEX	0xffff		/* extended sect index */
493#define	SHN_HIRESERVE	0xffff
494
495
496
497/*
498 *	Symbol table
499 */
500
501typedef struct {
502	Elf32_Word	st_name;
503	Elf32_Addr	st_value;
504	Elf32_Word	st_size;
505	unsigned char	st_info;	/* bind, type: ELF_32_ST_... */
506	unsigned char	st_other;
507	Elf32_Half	st_shndx;	/* SHN_... */
508} Elf32_Sym;
509
510#if defined(_LP64) || defined(_LONGLONG_TYPE)
511typedef struct {
512	Elf64_Word	st_name;
513	unsigned char	st_info;	/* bind, type: ELF_64_ST_... */
514	unsigned char	st_other;
515	Elf64_Half	st_shndx;	/* SHN_... */
516	Elf64_Addr	st_value;
517	Elf64_Xword	st_size;
518} Elf64_Sym;
519#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
520
521#define	STN_UNDEF	0
522
523/*
524 *	Macros to compose and decompose values for S.st_info
525 *
526 *	bind = ELF32_ST_BIND(S.st_info)
527 *	type = ELF32_ST_TYPE(S.st_info)
528 *	S.st_info = ELF32_ST_INFO(bind, type)
529 */
530
531#define	ELF32_ST_BIND(info)		((info) >> 4)
532#define	ELF32_ST_TYPE(info)		((info) & 0xf)
533#define	ELF32_ST_INFO(bind, type)	(((bind)<<4)+((type)&0xf))
534
535#define	ELF64_ST_BIND(info)		((info) >> 4)
536#define	ELF64_ST_TYPE(info)		((info) & 0xf)
537#define	ELF64_ST_INFO(bind, type)	(((bind)<<4)+((type)&0xf))
538
539
540#define	STB_LOCAL	0		/* BIND */
541#define	STB_GLOBAL	1
542#define	STB_WEAK	2
543#define	STB_NUM		3
544
545#define	STB_LOPROC	13		/* processor specific range */
546#define	STB_HIPROC	15
547
548#define	STT_NOTYPE	0		/* symbol type is unspecified */
549#define	STT_OBJECT	1		/* data object */
550#define	STT_FUNC	2		/* code object */
551#define	STT_SECTION	3		/* symbol identifies an ELF section */
552#define	STT_FILE	4		/* symbol's name is file name */
553#define	STT_COMMON	5		/* common data object */
554#define	STT_TLS		6		/* thread-local data object */
555#define	STT_NUM		7		/* # defined types in generic range */
556#define	STT_LOOS	10		/* OS specific range */
557#define	STT_HIOS	12
558#define	STT_LOPROC	13		/* processor specific range */
559#define	STT_HIPROC	15
560
561/*
562 *	Macros to decompose values for S.st_other
563 *
564 *	visibility = ELF32_ST_VISIBILITY(S.st_other)
565 */
566#define	ELF32_ST_VISIBILITY(other)	((other)&0x7)
567#define	ELF64_ST_VISIBILITY(other)	((other)&0x7)
568
569#define	STV_DEFAULT	0
570#define	STV_INTERNAL	1
571#define	STV_HIDDEN	2
572#define	STV_PROTECTED	3
573#define	STV_EXPORTED	4
574#define	STV_SINGLETON	5
575#define	STV_ELIMINATE	6
576
577#define	STV_NUM		7
578
579/*
580 *	Relocation
581 */
582
583typedef struct {
584	Elf32_Addr	r_offset;
585	Elf32_Word	r_info;		/* sym, type: ELF32_R_... */
586} Elf32_Rel;
587
588typedef struct {
589	Elf32_Addr	r_offset;
590	Elf32_Word	r_info;		/* sym, type: ELF32_R_... */
591	Elf32_Sword	r_addend;
592} Elf32_Rela;
593
594#if defined(_LP64) || defined(_LONGLONG_TYPE)
595typedef struct {
596	Elf64_Addr	r_offset;
597	Elf64_Xword	r_info;		/* sym, type: ELF64_R_... */
598} Elf64_Rel;
599
600typedef struct {
601	Elf64_Addr	r_offset;
602	Elf64_Xword	r_info;		/* sym, type: ELF64_R_... */
603	Elf64_Sxword	r_addend;
604} Elf64_Rela;
605#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
606
607
608/*
609 *	Macros to compose and decompose values for Rel.r_info, Rela.f_info
610 *
611 *	sym = ELF32_R_SYM(R.r_info)
612 *	type = ELF32_R_TYPE(R.r_info)
613 *	R.r_info = ELF32_R_INFO(sym, type)
614 */
615
616#define	ELF32_R_SYM(info)	((info)>>8)
617#define	ELF32_R_TYPE(info)	((unsigned char)(info))
618#define	ELF32_R_INFO(sym, type)	(((sym)<<8)+(unsigned char)(type))
619
620#define	ELF64_R_SYM(info)	((info)>>32)
621#define	ELF64_R_TYPE(info)    	((Elf64_Word)(info))
622#define	ELF64_R_INFO(sym, type)	(((Elf64_Xword)(sym)<<32)+(Elf64_Xword)(type))
623
624
625/*
626 * The r_info field is composed of two 32-bit components: the symbol
627 * table index and the relocation type.  The relocation type for SPARC V9
628 * is further decomposed into an 8-bit type identifier and a 24-bit type
629 * dependent data field.  For the existing Elf32 relocation types,
630 * that data field is zero.
631 */
632#define	ELF64_R_TYPE_DATA(info)	(((Elf64_Xword)(info)<<32)>>40)
633#define	ELF64_R_TYPE_ID(info)	(((Elf64_Xword)(info)<<56)>>56)
634#define	ELF64_R_TYPE_INFO(data, type)	\
635		(((Elf64_Xword)(data)<<8)+(Elf64_Xword)(type))
636
637
638/*
639 * Section Group Flags (SHT_GROUP)
640 */
641#define	GRP_COMDAT	0x01
642
643
644/*
645 *	Note entry header
646 */
647
648typedef struct {
649	Elf32_Word	n_namesz;	/* length of note's name */
650	Elf32_Word	n_descsz;	/* length of note's "desc" */
651	Elf32_Word	n_type;		/* type of note */
652} Elf32_Nhdr;
653
654#if defined(_LP64) || defined(_LONGLONG_TYPE)
655typedef struct {
656	Elf64_Word	n_namesz;	/* length of note's name */
657	Elf64_Word	n_descsz;	/* length of note's "desc" */
658	Elf64_Word	n_type;		/* type of note */
659} Elf64_Nhdr;
660#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
661
662/*
663 *	Move entry
664 */
665#if defined(_LP64) || defined(_LONGLONG_TYPE)
666typedef struct {
667	Elf32_Lword	m_value;	/* symbol value */
668	Elf32_Word 	m_info;		/* size + index */
669	Elf32_Word	m_poffset;	/* symbol offset */
670	Elf32_Half	m_repeat;	/* repeat count */
671	Elf32_Half	m_stride;	/* stride info */
672} Elf32_Move;
673
674/*
675 *	Macros to compose and decompose values for Move.r_info
676 *
677 *	sym = ELF32_M_SYM(M.m_info)
678 *	size = ELF32_M_SIZE(M.m_info)
679 *	M.m_info = ELF32_M_INFO(sym, size)
680 */
681#define	ELF32_M_SYM(info)	((info)>>8)
682#define	ELF32_M_SIZE(info)	((unsigned char)(info))
683#define	ELF32_M_INFO(sym, size)	(((sym)<<8)+(unsigned char)(size))
684
685typedef struct {
686	Elf64_Lword	m_value;	/* symbol value */
687	Elf64_Xword 	m_info;		/* size + index */
688	Elf64_Xword	m_poffset;	/* symbol offset */
689	Elf64_Half	m_repeat;	/* repeat count */
690	Elf64_Half	m_stride;	/* stride info */
691} Elf64_Move;
692#define	ELF64_M_SYM(info)	((info)>>8)
693#define	ELF64_M_SIZE(info)	((unsigned char)(info))
694#define	ELF64_M_INFO(sym, size)	(((sym)<<8)+(unsigned char)(size))
695
696#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
697
698
699/*
700 *	Capabilities entry, Capabilities info and Capabilities chain.
701 */
702#ifndef	_ASM
703typedef struct {
704	Elf32_Word	c_tag;		/* how to interpret value */
705	union {
706		Elf32_Word	c_val;
707		Elf32_Addr	c_ptr;
708	} c_un;
709} Elf32_Cap;
710
711typedef	Elf32_Word	Elf32_Capinfo;
712typedef	Elf32_Word	Elf32_Capchain;
713
714/*
715 *	Macros to compose and decompose values for capabilities info.
716 *
717 *	sym = ELF32_C_SYM(info)
718 *	grp = ELF32_C_GROUP(info)
719 *	info = ELF32_C_INFO(sym, grp)
720 */
721#define	ELF32_C_SYM(info)	((info)>>8)
722#define	ELF32_C_GROUP(info)	((unsigned char)(info))
723#define	ELF32_C_INFO(sym, grp)	(((sym)<<8)+(unsigned char)(grp))
724
725
726#if defined(_LP64) || defined(_LONGLONG_TYPE)
727typedef struct {
728	Elf64_Xword	c_tag;		/* how to interpret value */
729	union {
730		Elf64_Xword	c_val;
731		Elf64_Addr	c_ptr;
732	} c_un;
733} Elf64_Cap;
734
735typedef	Elf64_Xword	Elf64_Capinfo;
736typedef	Elf64_Word	Elf64_Capchain;
737
738/*
739 *	Macros to compose and decompose values for capabilities info.
740 *
741 *	sym = ELF64_C_SYM(info)
742 *	grp = ELF64_C_GROUP(info)
743 *	info = ELF64_C_INFO(sym, grp)
744 */
745#define	ELF64_C_SYM(info)	((info)>>32)
746#define	ELF64_C_GROUP(info)    	((Elf64_Word)(info))
747#define	ELF64_C_INFO(sym, grp)	(((Elf64_Xword)(sym)<<32)+(Elf64_Xword)(grp))
748
749#endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
750#endif
751
752/*
753 * Version numbers for SHT_SUNW_capinfo and SHT_SUNW_capchain.
754 */
755#define	CAPINFO_NONE		0
756#define	CAPINFO_CURRENT		1
757#define	CAPINFO_NUM		2
758
759#define	CAPCHAIN_NONE		0
760#define	CAPCHAIN_CURRENT	1
761#define	CAPCHAIN_NUM		2
762
763/*
764 * A SHT_SUNW_capinfo table mirrors a symbol table.  A capabilities symbol has
765 * a SHT_SUNW_capinfo table entry that provides an index into the associated
766 * SHT_SUNW_cap capabilities group, and the symbol index of the associated lead
767 * symbol.  A capabilities symbol is a local symbol.  A global lead capabilities
768 * symbol is tagged with a group CAPINFO_SUNW_GLOB.
769 */
770#define	CAPINFO_SUNW_GLOB	0xff
771
772/*
773 * Capabilities values.
774 */
775#define	CA_SUNW_NULL	0
776#define	CA_SUNW_HW_1	1		/* first hardware capabilities entry */
777#define	CA_SUNW_SF_1	2		/* first software capabilities entry */
778#define	CA_SUNW_HW_2	3		/* second hardware capabilities entry */
779#define	CA_SUNW_PLAT	4		/* platform capability entry */
780#define	CA_SUNW_MACH	5		/* machine capability entry */
781#define	CA_SUNW_ID	6		/* capability identifier */
782#define	CA_SUNW_NUM	7
783
784/*
785 * Define software capabilities (CA_SUNW_SF_1 values).  Note, hardware
786 * capabilities (CA_SUNW_HW_1 values) are taken directly from sys/auxv_$MACH.h.
787 */
788#define	SF1_SUNW_FPKNWN	0x001		/* frame pointer usage is known */
789#define	SF1_SUNW_FPUSED	0x002		/* frame pointer is in use */
790#define	SF1_SUNW_ADDR32	0x004		/* 32-bit address space requirement */
791#define	SF1_SUNW_MASK	0x007		/* known software capabilities mask */
792
793/*
794 *	Known values for note entry types (e_type == ET_CORE)
795 */
796#define	NT_PRSTATUS	1	/* prstatus_t	<sys/old_procfs.h>	*/
797#define	NT_PRFPREG	2	/* prfpregset_t	<sys/old_procfs.h>	*/
798#define	NT_PRPSINFO	3	/* prpsinfo_t	<sys/old_procfs.h>	*/
799#define	NT_PRXREG	4	/* prxregset_t	<sys/procfs.h>		*/
800#define	NT_PLATFORM	5	/* string from sysinfo(SI_PLATFORM)	*/
801#define	NT_AUXV		6	/* auxv_t array	<sys/auxv.h>		*/
802#define	NT_GWINDOWS	7	/* gwindows_t	SPARC only		*/
803#define	NT_ASRS		8	/* asrset_t	SPARC V9 only		*/
804#define	NT_LDT		9	/* ssd array	<sys/sysi86.h> IA32 only */
805#define	NT_PSTATUS	10	/* pstatus_t	<sys/procfs.h>		*/
806#define	NT_PSINFO	13	/* psinfo_t	<sys/procfs.h>		*/
807#define	NT_PRCRED	14	/* prcred_t	<sys/procfs.h>		*/
808#define	NT_UTSNAME	15	/* struct utsname <sys/utsname.h>	*/
809#define	NT_LWPSTATUS	16	/* lwpstatus_t	<sys/procfs.h>		*/
810#define	NT_LWPSINFO	17	/* lwpsinfo_t	<sys/procfs.h>		*/
811#define	NT_PRPRIV	18	/* prpriv_t	<sys/procfs.h>		*/
812#define	NT_PRPRIVINFO	19	/* priv_impl_info_t <sys/priv.h>	*/
813#define	NT_CONTENT	20	/* core_content_t <sys/corectl.h>	*/
814#define	NT_ZONENAME	21	/* string from getzonenamebyid(3C)	*/
815#define	NT_NUM		21
816
817
818#ifdef _KERNEL
819/*
820 * The following routine checks the processor-specific
821 * fields of an ELF header.
822 */
823int	elfheadcheck(unsigned char, Elf32_Half, Elf32_Word);
824#endif
825
826#ifdef	__cplusplus
827}
828#endif
829
830#if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_SPARC)
831#include <sys/elf_SPARC.h>
832#endif
833
834#if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_386)
835#include <sys/elf_386.h>
836#endif
837
838#if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_AMD64)
839#include <sys/elf_amd64.h>
840#endif
841
842#endif	/* _SYS_ELF_H */
843