xref: /illumos-gate/usr/src/uts/common/sys/elf.h (revision 7b79d846)
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 2009 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
36 extern "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 
65 typedef 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)
83 typedef 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 /*
284  *	Program header
285  */
286 
287 typedef struct {
288 	Elf32_Word	p_type;		/* entry type */
289 	Elf32_Off	p_offset;	/* file offset */
290 	Elf32_Addr	p_vaddr;	/* virtual address */
291 	Elf32_Addr	p_paddr;	/* physical address */
292 	Elf32_Word	p_filesz;	/* file size */
293 	Elf32_Word	p_memsz;	/* memory size */
294 	Elf32_Word	p_flags;	/* entry flags */
295 	Elf32_Word	p_align;	/* memory/file alignment */
296 } Elf32_Phdr;
297 
298 #if defined(_LP64) || defined(_LONGLONG_TYPE)
299 typedef struct {
300 	Elf64_Word	p_type;		/* entry type */
301 	Elf64_Word	p_flags;	/* entry flags */
302 	Elf64_Off	p_offset;	/* file offset */
303 	Elf64_Addr	p_vaddr;	/* virtual address */
304 	Elf64_Addr	p_paddr;	/* physical address */
305 	Elf64_Xword	p_filesz;	/* file size */
306 	Elf64_Xword	p_memsz;	/* memory size */
307 	Elf64_Xword	p_align;	/* memory/file alignment */
308 } Elf64_Phdr;
309 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
310 
311 
312 #define	PT_NULL		0		/* p_type */
313 #define	PT_LOAD		1
314 #define	PT_DYNAMIC	2
315 #define	PT_INTERP	3
316 #define	PT_NOTE		4
317 #define	PT_SHLIB	5
318 #define	PT_PHDR		6
319 #define	PT_TLS		7
320 #define	PT_NUM		8
321 
322 #define	PT_LOOS		0x60000000	/* OS specific range */
323 
324 /*
325  * PT_SUNW_UNWIND and PT_SUNW_EH_FRAME perform the same function,
326  * providing access to the .eh_frame_hdr section of the object.
327  * PT_SUNW_UNWIND is the original value, while PT_SUNW_EH_FRAME is
328  * required by the amd64 psABI. The Solaris link-editor (ld) tags output
329  * objects with PT_SUNW_UNWIND, but the Solaris runtime linker (ld.so.1)
330  * will accept and use either value.
331  */
332 #define	PT_SUNW_UNWIND		0x6464e550
333 #define	PT_SUNW_EH_FRAME	0x6474e550
334 #define	PT_GNU_EH_FRAME		PT_SUNW_EH_FRAME
335 
336 /*
337  * Linux specific program headers not currently used by Solaris
338  */
339 #define	PT_GNU_STACK	0x6474e551	/* Indicates stack executability */
340 #define	PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */
341 
342 #define	PT_LOSUNW	0x6ffffffa
343 #define	PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment (unused) */
344 #define	PT_SUNWSTACK	0x6ffffffb	/* describes the stack segment */
345 #define	PT_SUNWDTRACE	0x6ffffffc	/* private */
346 #define	PT_SUNWCAP	0x6ffffffd	/* hard/soft capabilities segment */
347 #define	PT_HISUNW	0x6fffffff
348 #define	PT_HIOS		0x6fffffff
349 
350 #define	PT_LOPROC	0x70000000	/* processor specific range */
351 #define	PT_HIPROC	0x7fffffff
352 
353 #define	PF_R		0x4		/* p_flags */
354 #define	PF_W		0x2
355 #define	PF_X		0x1
356 
357 #define	PF_MASKOS	0x0ff00000	/* OS specific values */
358 #define	PF_MASKPROC	0xf0000000	/* processor specific values */
359 
360 #define	PF_SUNW_FAILURE	0x00100000	/* mapping absent due to failure */
361 
362 #define	PN_XNUM		0xffff		/* extended program header index */
363 
364 /*
365  *	Section header
366  */
367 
368 typedef struct {
369 	Elf32_Word	sh_name;	/* section name */
370 	Elf32_Word	sh_type;	/* SHT_... */
371 	Elf32_Word	sh_flags;	/* SHF_... */
372 	Elf32_Addr	sh_addr;	/* virtual address */
373 	Elf32_Off	sh_offset;	/* file offset */
374 	Elf32_Word	sh_size;	/* section size */
375 	Elf32_Word	sh_link;	/* misc info */
376 	Elf32_Word	sh_info;	/* misc info */
377 	Elf32_Word	sh_addralign;	/* memory alignment */
378 	Elf32_Word	sh_entsize;	/* entry size if table */
379 } Elf32_Shdr;
380 
381 #if defined(_LP64) || defined(_LONGLONG_TYPE)
382 typedef struct {
383 	Elf64_Word	sh_name;	/* section name */
384 	Elf64_Word	sh_type;	/* SHT_... */
385 	Elf64_Xword	sh_flags;	/* SHF_... */
386 	Elf64_Addr	sh_addr;	/* virtual address */
387 	Elf64_Off	sh_offset;	/* file offset */
388 	Elf64_Xword	sh_size;	/* section size */
389 	Elf64_Word	sh_link;	/* misc info */
390 	Elf64_Word	sh_info;	/* misc info */
391 	Elf64_Xword	sh_addralign;	/* memory alignment */
392 	Elf64_Xword	sh_entsize;	/* entry size if table */
393 } Elf64_Shdr;
394 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
395 
396 #define	SHT_NULL		0		/* sh_type */
397 #define	SHT_PROGBITS		1
398 #define	SHT_SYMTAB		2
399 #define	SHT_STRTAB		3
400 #define	SHT_RELA		4
401 #define	SHT_HASH		5
402 #define	SHT_DYNAMIC		6
403 #define	SHT_NOTE		7
404 #define	SHT_NOBITS		8
405 #define	SHT_REL			9
406 #define	SHT_SHLIB		10
407 #define	SHT_DYNSYM		11
408 #define	SHT_UNKNOWN12		12
409 #define	SHT_UNKNOWN13		13
410 #define	SHT_INIT_ARRAY		14
411 #define	SHT_FINI_ARRAY		15
412 #define	SHT_PREINIT_ARRAY	16
413 #define	SHT_GROUP		17
414 #define	SHT_SYMTAB_SHNDX	18
415 #define	SHT_NUM			19
416 
417 /* Solaris ABI specific values */
418 #define	SHT_LOOS		0x60000000	/* OS specific range */
419 #define	SHT_LOSUNW		0x6ffffff1
420 #define	SHT_SUNW_symsort	0x6ffffff1
421 #define	SHT_SUNW_tlssort	0x6ffffff2
422 #define	SHT_SUNW_LDYNSYM	0x6ffffff3
423 #define	SHT_SUNW_dof		0x6ffffff4
424 #define	SHT_SUNW_cap		0x6ffffff5
425 #define	SHT_SUNW_SIGNATURE	0x6ffffff6
426 #define	SHT_SUNW_ANNOTATE	0x6ffffff7
427 #define	SHT_SUNW_DEBUGSTR	0x6ffffff8
428 #define	SHT_SUNW_DEBUG		0x6ffffff9
429 #define	SHT_SUNW_move		0x6ffffffa
430 #define	SHT_SUNW_COMDAT		0x6ffffffb
431 #define	SHT_SUNW_syminfo	0x6ffffffc
432 #define	SHT_SUNW_verdef		0x6ffffffd
433 #define	SHT_GNU_verdef		SHT_SUNW_verdef
434 #define	SHT_SUNW_verneed	0x6ffffffe
435 #define	SHT_GNU_verneed		SHT_SUNW_verneed
436 #define	SHT_SUNW_versym		0x6fffffff
437 #define	SHT_GNU_versym		SHT_SUNW_versym
438 #define	SHT_HISUNW		0x6fffffff
439 #define	SHT_HIOS		0x6fffffff
440 
441 /*
442  * GNU/Linux OSABI specific values with different meanings than under Solaris.
443  * Due to the overlap in assigned values with the Solaris OSABI, correct
444  * interpretation of these values requires knowledge of the OSABI used by
445  * the object.
446  */
447 #define	SHT_GNU_ATTRIBUTES	0x6ffffff5	/* Object attributes */
448 #define	SHT_GNU_HASH		0x6ffffff6	/* GNU-style hash table */
449 #define	SHT_GNU_LIBLIST		0x6ffffff7	/* Prelink library list */
450 #define	SHT_CHECKSUM		0x6ffffff8	/* Checksum for DSO content */
451 
452 #define	SHT_LOPROC	0x70000000	/* processor specific range */
453 #define	SHT_HIPROC	0x7fffffff
454 
455 #define	SHT_LOUSER	0x80000000
456 #define	SHT_HIUSER	0xffffffff
457 
458 #define	SHF_WRITE		0x01		/* sh_flags */
459 #define	SHF_ALLOC		0x02
460 #define	SHF_EXECINSTR		0x04
461 #define	SHF_MERGE		0x10
462 #define	SHF_STRINGS		0x20
463 #define	SHF_INFO_LINK		0x40
464 #define	SHF_LINK_ORDER		0x80
465 #define	SHF_OS_NONCONFORMING	0x100
466 #define	SHF_GROUP		0x200
467 #define	SHF_TLS			0x400
468 
469 #define	SHF_MASKOS	0x0ff00000	/* OS specific values */
470 
471 
472 #define	SHF_MASKPROC	0xf0000000	/* processor specific values */
473 
474 #define	SHN_UNDEF	0		/* special section numbers */
475 #define	SHN_LORESERVE	0xff00
476 #define	SHN_LOPROC	0xff00		/* processor specific range */
477 #define	SHN_HIPROC	0xff1f
478 #define	SHN_LOOS	0xff20		/* OS specific range */
479 #define	SHN_LOSUNW	0xff3f
480 #define	SHN_SUNW_IGNORE	0xff3f
481 #define	SHN_HISUNW	0xff3f
482 #define	SHN_HIOS	0xff3f
483 #define	SHN_ABS		0xfff1
484 #define	SHN_COMMON	0xfff2
485 #define	SHN_XINDEX	0xffff		/* extended sect index */
486 #define	SHN_HIRESERVE	0xffff
487 
488 
489 
490 /*
491  *	Symbol table
492  */
493 
494 typedef struct {
495 	Elf32_Word	st_name;
496 	Elf32_Addr	st_value;
497 	Elf32_Word	st_size;
498 	unsigned char	st_info;	/* bind, type: ELF_32_ST_... */
499 	unsigned char	st_other;
500 	Elf32_Half	st_shndx;	/* SHN_... */
501 } Elf32_Sym;
502 
503 #if defined(_LP64) || defined(_LONGLONG_TYPE)
504 typedef struct {
505 	Elf64_Word	st_name;
506 	unsigned char	st_info;	/* bind, type: ELF_64_ST_... */
507 	unsigned char	st_other;
508 	Elf64_Half	st_shndx;	/* SHN_... */
509 	Elf64_Addr	st_value;
510 	Elf64_Xword	st_size;
511 } Elf64_Sym;
512 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
513 
514 #define	STN_UNDEF	0
515 
516 /*
517  *	The macros compose and decompose values for S.st_info
518  *
519  *	bind = ELF32_ST_BIND(S.st_info)
520  *	type = ELF32_ST_TYPE(S.st_info)
521  *	S.st_info = ELF32_ST_INFO(bind, type)
522  */
523 
524 #define	ELF32_ST_BIND(info)		((info) >> 4)
525 #define	ELF32_ST_TYPE(info)		((info) & 0xf)
526 #define	ELF32_ST_INFO(bind, type)	(((bind)<<4)+((type)&0xf))
527 
528 #define	ELF64_ST_BIND(info)		((info) >> 4)
529 #define	ELF64_ST_TYPE(info)		((info) & 0xf)
530 #define	ELF64_ST_INFO(bind, type)	(((bind)<<4)+((type)&0xf))
531 
532 
533 #define	STB_LOCAL	0		/* BIND */
534 #define	STB_GLOBAL	1
535 #define	STB_WEAK	2
536 #define	STB_NUM		3
537 
538 #define	STB_LOPROC	13		/* processor specific range */
539 #define	STB_HIPROC	15
540 
541 #define	STT_NOTYPE	0		/* symbol type is unspecified */
542 #define	STT_OBJECT	1		/* data object */
543 #define	STT_FUNC	2		/* code object */
544 #define	STT_SECTION	3		/* symbol identifies an ELF section */
545 #define	STT_FILE	4		/* symbol's name is file name */
546 #define	STT_COMMON	5		/* common data object */
547 #define	STT_TLS		6		/* thread-local data object */
548 #define	STT_IFUNC	7		/* indirect code object (unused) */
549 #define	STT_NUM		8		/* # defined types in generic range */
550 #define	STT_LOOS	10		/* OS specific range */
551 #define	STT_HIOS	12
552 #define	STT_LOPROC	13		/* processor specific range */
553 #define	STT_HIPROC	15
554 
555 /*
556  *	The macros decompose values for S.st_other
557  *
558  *	visibility = ELF32_ST_VISIBILITY(S.st_other)
559  */
560 #define	ELF32_ST_VISIBILITY(other)	((other)&0x7)
561 #define	ELF64_ST_VISIBILITY(other)	((other)&0x7)
562 
563 #define	STV_DEFAULT	0
564 #define	STV_INTERNAL	1
565 #define	STV_HIDDEN	2
566 #define	STV_PROTECTED	3
567 #define	STV_EXPORTED	4
568 #define	STV_SINGLETON	5
569 #define	STV_ELIMINATE	6
570 
571 #define	STV_NUM		7
572 
573 /*
574  *	Relocation
575  */
576 
577 typedef struct {
578 	Elf32_Addr	r_offset;
579 	Elf32_Word	r_info;		/* sym, type: ELF32_R_... */
580 } Elf32_Rel;
581 
582 typedef struct {
583 	Elf32_Addr	r_offset;
584 	Elf32_Word	r_info;		/* sym, type: ELF32_R_... */
585 	Elf32_Sword	r_addend;
586 } Elf32_Rela;
587 
588 #if defined(_LP64) || defined(_LONGLONG_TYPE)
589 typedef struct {
590 	Elf64_Addr	r_offset;
591 	Elf64_Xword	r_info;		/* sym, type: ELF64_R_... */
592 } Elf64_Rel;
593 
594 typedef struct {
595 	Elf64_Addr	r_offset;
596 	Elf64_Xword	r_info;		/* sym, type: ELF64_R_... */
597 	Elf64_Sxword	r_addend;
598 } Elf64_Rela;
599 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
600 
601 
602 /*
603  *	The macros compose and decompose values for Rel.r_info, Rela.f_info
604  *
605  *	sym = ELF32_R_SYM(R.r_info)
606  *	type = ELF32_R_TYPE(R.r_info)
607  *	R.r_info = ELF32_R_INFO(sym, type)
608  */
609 
610 #define	ELF32_R_SYM(info)	((info)>>8)
611 #define	ELF32_R_TYPE(info)	((unsigned char)(info))
612 #define	ELF32_R_INFO(sym, type)	(((sym)<<8)+(unsigned char)(type))
613 
614 #define	ELF64_R_SYM(info)	((info)>>32)
615 #define	ELF64_R_TYPE(info)    	((Elf64_Word)(info))
616 #define	ELF64_R_INFO(sym, type)	(((Elf64_Xword)(sym)<<32)+(Elf64_Xword)(type))
617 
618 
619 /*
620  * The r_info field is composed of two 32-bit components: the symbol
621  * table index and the relocation type.  The relocation type for SPARC V9
622  * is further decomposed into an 8-bit type identifier and a 24-bit type
623  * dependent data field.  For the existing Elf32 relocation types,
624  * that data field is zero.
625  */
626 #define	ELF64_R_TYPE_DATA(info)	(((Elf64_Xword)(info)<<32)>>40)
627 #define	ELF64_R_TYPE_ID(info)	(((Elf64_Xword)(info)<<56)>>56)
628 #define	ELF64_R_TYPE_INFO(data, type)	\
629 		(((Elf64_Xword)(data)<<8)+(Elf64_Xword)(type))
630 
631 
632 /*
633  * Section Group Flags (SHT_GROUP)
634  */
635 #define	GRP_COMDAT	0x01
636 
637 
638 /*
639  *	Note entry header
640  */
641 
642 typedef struct {
643 	Elf32_Word	n_namesz;	/* length of note's name */
644 	Elf32_Word	n_descsz;	/* length of note's "desc" */
645 	Elf32_Word	n_type;		/* type of note */
646 } Elf32_Nhdr;
647 
648 #if defined(_LP64) || defined(_LONGLONG_TYPE)
649 typedef struct {
650 	Elf64_Word	n_namesz;	/* length of note's name */
651 	Elf64_Word	n_descsz;	/* length of note's "desc" */
652 	Elf64_Word	n_type;		/* type of note */
653 } Elf64_Nhdr;
654 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
655 
656 /*
657  *	Move entry
658  */
659 #if defined(_LP64) || defined(_LONGLONG_TYPE)
660 typedef struct {
661 	Elf32_Lword	m_value;	/* symbol value */
662 	Elf32_Word 	m_info;		/* size + index */
663 	Elf32_Word	m_poffset;	/* symbol offset */
664 	Elf32_Half	m_repeat;	/* repeat count */
665 	Elf32_Half	m_stride;	/* stride info */
666 } Elf32_Move;
667 
668 /*
669  *	The macros compose and decompose values for Move.r_info
670  *
671  *	sym = ELF32_M_SYM(M.m_info)
672  *	size = ELF32_M_SIZE(M.m_info)
673  *	M.m_info = ELF32_M_INFO(sym, size)
674  */
675 #define	ELF32_M_SYM(info)	((info)>>8)
676 #define	ELF32_M_SIZE(info)	((unsigned char)(info))
677 #define	ELF32_M_INFO(sym, size)	(((sym)<<8)+(unsigned char)(size))
678 
679 typedef struct {
680 	Elf64_Lword	m_value;	/* symbol value */
681 	Elf64_Xword 	m_info;		/* size + index */
682 	Elf64_Xword	m_poffset;	/* symbol offset */
683 	Elf64_Half	m_repeat;	/* repeat count */
684 	Elf64_Half	m_stride;	/* stride info */
685 } Elf64_Move;
686 #define	ELF64_M_SYM(info)	((info)>>8)
687 #define	ELF64_M_SIZE(info)	((unsigned char)(info))
688 #define	ELF64_M_INFO(sym, size)	(((sym)<<8)+(unsigned char)(size))
689 
690 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
691 
692 
693 /*
694  *	Hardware/Software capabilities entry
695  */
696 #ifndef	_ASM
697 typedef struct {
698 	Elf32_Word	c_tag;		/* how to interpret value */
699 	union {
700 		Elf32_Word	c_val;
701 		Elf32_Addr	c_ptr;
702 	} c_un;
703 } Elf32_Cap;
704 
705 #if defined(_LP64) || defined(_LONGLONG_TYPE)
706 typedef struct {
707 	Elf64_Xword	c_tag;		/* how to interpret value */
708 	union {
709 		Elf64_Xword	c_val;
710 		Elf64_Addr	c_ptr;
711 	} c_un;
712 } Elf64_Cap;
713 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
714 #endif
715 
716 #define	CA_SUNW_NULL	0
717 #define	CA_SUNW_HW_1	1		/* first hardware capabilities entry */
718 #define	CA_SUNW_SF_1	2		/* first software capabilities entry */
719 
720 /*
721  * Define software capabilities (CA_SUNW_SF_1 values).  Note, hardware
722  * capabilities (CA_SUNW_HW_1 values) are taken directly from sys/auxv_$MACH.h.
723  */
724 #define	SF1_SUNW_FPKNWN	0x001		/* frame pointer usage is known */
725 #define	SF1_SUNW_FPUSED	0x002		/* frame pointer is in use */
726 #define	SF1_SUNW_ADDR32	0x004		/* 32-bit address space requirement */
727 #define	SF1_SUNW_MASK	0x007		/* known software capabilities mask */
728 
729 /*
730  *	Known values for note entry types (e_type == ET_CORE)
731  */
732 
733 #define	NT_PRSTATUS	1	/* prstatus_t	<sys/old_procfs.h>	*/
734 #define	NT_PRFPREG	2	/* prfpregset_t	<sys/old_procfs.h>	*/
735 #define	NT_PRPSINFO	3	/* prpsinfo_t	<sys/old_procfs.h>	*/
736 #define	NT_PRXREG	4	/* prxregset_t	<sys/procfs.h>		*/
737 #define	NT_PLATFORM	5	/* string from sysinfo(SI_PLATFORM)	*/
738 #define	NT_AUXV		6	/* auxv_t array	<sys/auxv.h>		*/
739 #define	NT_GWINDOWS	7	/* gwindows_t	SPARC only		*/
740 #define	NT_ASRS		8	/* asrset_t	SPARC V9 only		*/
741 #define	NT_LDT		9	/* ssd array	<sys/sysi86.h> IA32 only */
742 #define	NT_PSTATUS	10	/* pstatus_t	<sys/procfs.h>		*/
743 #define	NT_PSINFO	13	/* psinfo_t	<sys/procfs.h>		*/
744 #define	NT_PRCRED	14	/* prcred_t	<sys/procfs.h>		*/
745 #define	NT_UTSNAME	15	/* struct utsname <sys/utsname.h>	*/
746 #define	NT_LWPSTATUS	16	/* lwpstatus_t	<sys/procfs.h>		*/
747 #define	NT_LWPSINFO	17	/* lwpsinfo_t	<sys/procfs.h>		*/
748 #define	NT_PRPRIV	18	/* prpriv_t	<sys/procfs.h>		*/
749 #define	NT_PRPRIVINFO	19	/* priv_impl_info_t <sys/priv.h>	*/
750 #define	NT_CONTENT	20	/* core_content_t <sys/corectl.h>	*/
751 #define	NT_ZONENAME	21	/* string from getzonenamebyid(3C)	*/
752 #define	NT_NUM		21
753 
754 
755 #ifdef _KERNEL
756 /*
757  * The following routine checks the processor-specific
758  * fields of an ELF header.
759  */
760 int	elfheadcheck(unsigned char, Elf32_Half, Elf32_Word);
761 #endif
762 
763 #ifdef	__cplusplus
764 }
765 #endif
766 
767 #if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_SPARC)
768 #include <sys/elf_SPARC.h>
769 #endif
770 
771 #if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_386)
772 #include <sys/elf_386.h>
773 #endif
774 
775 #if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_AMD64)
776 #include <sys/elf_amd64.h>
777 #endif
778 
779 #endif	/* _SYS_ELF_H */
780