xref: /titanic_44/usr/src/uts/common/sys/elf.h (revision f38cb554a534c6df738be3f4d23327e69888e634)
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 2012 DEY Storage Systems, Inc.  All rights reserved.
23  * Copyright (c) 2013, Joyent, Inc. All rights reserved.
24  */
25 /*
26  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
27  * Use is subject to license terms.
28  */
29 
30 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
31 /*	  All Rights Reserved  	*/
32 
33 
34 #ifndef _SYS_ELF_H
35 #define	_SYS_ELF_H
36 
37 #include <sys/elftypes.h>
38 
39 #ifdef	__cplusplus
40 extern "C" {
41 #endif
42 
43 #define	ELF32_FSZ_ADDR	4
44 #define	ELF32_FSZ_HALF	2
45 #define	ELF32_FSZ_OFF	4
46 #define	ELF32_FSZ_SWORD	4
47 #define	ELF32_FSZ_WORD	4
48 
49 #define	ELF64_FSZ_ADDR	8
50 #define	ELF64_FSZ_HALF	2
51 #define	ELF64_FSZ_OFF	8
52 #define	ELF64_FSZ_SWORD	4
53 #define	ELF64_FSZ_WORD	4
54 #define	ELF64_FSZ_SXWORD 8
55 #define	ELF64_FSZ_XWORD	8
56 
57 /*
58  *	"Enumerations" below use ...NUM as the number of
59  *	values in the list.  It should be 1 greater than the
60  *	highest "real" value.
61  */
62 
63 /*
64  *	ELF header
65  */
66 
67 #define	EI_NIDENT	16
68 
69 typedef struct {
70 	unsigned char	e_ident[EI_NIDENT];	/* ident bytes */
71 	Elf32_Half	e_type;			/* file type */
72 	Elf32_Half	e_machine;		/* target machine */
73 	Elf32_Word	e_version;		/* file version */
74 	Elf32_Addr	e_entry;		/* start address */
75 	Elf32_Off	e_phoff;		/* phdr file offset */
76 	Elf32_Off	e_shoff;		/* shdr file offset */
77 	Elf32_Word	e_flags;		/* file flags */
78 	Elf32_Half	e_ehsize;		/* sizeof ehdr */
79 	Elf32_Half	e_phentsize;		/* sizeof phdr */
80 	Elf32_Half	e_phnum;		/* number phdrs */
81 	Elf32_Half	e_shentsize;		/* sizeof shdr */
82 	Elf32_Half	e_shnum;		/* number shdrs */
83 	Elf32_Half	e_shstrndx;		/* shdr string index */
84 } Elf32_Ehdr;
85 
86 #if defined(_LP64) || defined(_LONGLONG_TYPE)
87 typedef struct {
88 	unsigned char	e_ident[EI_NIDENT];	/* ident bytes */
89 	Elf64_Half	e_type;			/* file type */
90 	Elf64_Half	e_machine;		/* target machine */
91 	Elf64_Word	e_version;		/* file version */
92 	Elf64_Addr	e_entry;		/* start address */
93 	Elf64_Off	e_phoff;		/* phdr file offset */
94 	Elf64_Off	e_shoff;		/* shdr file offset */
95 	Elf64_Word	e_flags;		/* file flags */
96 	Elf64_Half	e_ehsize;		/* sizeof ehdr */
97 	Elf64_Half	e_phentsize;		/* sizeof phdr */
98 	Elf64_Half	e_phnum;		/* number phdrs */
99 	Elf64_Half	e_shentsize;		/* sizeof shdr */
100 	Elf64_Half	e_shnum;		/* number shdrs */
101 	Elf64_Half	e_shstrndx;		/* shdr string index */
102 } Elf64_Ehdr;
103 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
104 
105 
106 #define	EI_MAG0		0	/* e_ident[] indexes */
107 #define	EI_MAG1		1
108 #define	EI_MAG2		2
109 #define	EI_MAG3		3
110 #define	EI_CLASS	4	/* File class */
111 #define	EI_DATA		5	/* Data encoding */
112 #define	EI_VERSION	6	/* File version */
113 #define	EI_OSABI	7	/* Operating system/ABI identification */
114 #define	EI_ABIVERSION	8	/* ABI version */
115 #define	EI_PAD		9	/* Start of padding bytes */
116 
117 #define	ELFMAG0		0x7f		/* EI_MAG */
118 #define	ELFMAG1		'E'
119 #define	ELFMAG2		'L'
120 #define	ELFMAG3		'F'
121 #define	ELFMAG		"\177ELF"
122 #define	SELFMAG		4
123 
124 #define	ELFCLASSNONE	0		/* EI_CLASS */
125 #define	ELFCLASS32	1
126 #define	ELFCLASS64	2
127 #define	ELFCLASSNUM	3
128 
129 #define	ELFDATANONE	0		/* EI_DATA */
130 #define	ELFDATA2LSB	1
131 #define	ELFDATA2MSB	2
132 #define	ELFDATANUM	3
133 
134 #define	ET_NONE		0		/* e_type */
135 #define	ET_REL		1
136 #define	ET_EXEC		2
137 #define	ET_DYN		3
138 #define	ET_CORE		4
139 #define	ET_NUM		5
140 #define	ET_LOOS		0xfe00		/* OS specific range */
141 #define	ET_LOSUNW	0xfeff
142 #define	ET_SUNWPSEUDO	0xfeff
143 #define	ET_HISUNW	0xfeff
144 #define	ET_HIOS		0xfeff
145 #define	ET_LOPROC	0xff00		/* processor specific range */
146 #define	ET_HIPROC	0xffff
147 
148 #define	ET_LOPROC	0xff00		/* processor specific range */
149 #define	ET_HIPROC	0xffff
150 
151 #define	EM_NONE		0		/* e_machine */
152 #define	EM_M32		1		/* AT&T WE 32100 */
153 #define	EM_SPARC	2		/* Sun SPARC */
154 #define	EM_386		3		/* Intel 80386 */
155 #define	EM_68K		4		/* Motorola 68000 */
156 #define	EM_88K		5		/* Motorola 88000 */
157 #define	EM_486		6		/* Intel 80486 */
158 #define	EM_860		7		/* Intel i860 */
159 #define	EM_MIPS		8		/* MIPS RS3000 Big-Endian */
160 #define	EM_S370		9		/* IBM System/370 Processor */
161 #define	EM_MIPS_RS3_LE	10		/* MIPS RS3000 Little-Endian */
162 #define	EM_RS6000	11		/* RS6000 */
163 #define	EM_UNKNOWN12	12
164 #define	EM_UNKNOWN13	13
165 #define	EM_UNKNOWN14	14
166 #define	EM_PA_RISC	15		/* PA-RISC */
167 #define	EM_PARISC	EM_PA_RISC	/* Alias: GNU compatibility */
168 #define	EM_nCUBE	16		/* nCUBE */
169 #define	EM_VPP500	17		/* Fujitsu VPP500 */
170 #define	EM_SPARC32PLUS	18		/* Sun SPARC 32+ */
171 #define	EM_960		19		/* Intel 80960 */
172 #define	EM_PPC		20		/* PowerPC */
173 #define	EM_PPC64	21		/* 64-bit PowerPC */
174 #define	EM_S390		22		/* IBM System/390 Processor */
175 #define	EM_UNKNOWN22	EM_S390		/* Alias: Older published name */
176 #define	EM_UNKNOWN23	23
177 #define	EM_UNKNOWN24	24
178 #define	EM_UNKNOWN25	25
179 #define	EM_UNKNOWN26	26
180 #define	EM_UNKNOWN27	27
181 #define	EM_UNKNOWN28	28
182 #define	EM_UNKNOWN29	29
183 #define	EM_UNKNOWN30	30
184 #define	EM_UNKNOWN31	31
185 #define	EM_UNKNOWN32	32
186 #define	EM_UNKNOWN33	33
187 #define	EM_UNKNOWN34	34
188 #define	EM_UNKNOWN35	35
189 #define	EM_V800		36		/* NEX V800 */
190 #define	EM_FR20		37		/* Fujitsu FR20 */
191 #define	EM_RH32		38		/* TRW RH-32 */
192 #define	EM_RCE		39		/* Motorola RCE */
193 #define	EM_ARM		40		/* Advanced RISC Marchines ARM */
194 #define	EM_ALPHA	41		/* Digital Alpha */
195 #define	EM_SH		42		/* Hitachi SH */
196 #define	EM_SPARCV9	43		/* Sun SPARC V9 (64-bit) */
197 #define	EM_TRICORE	44		/* Siemens Tricore embedded processor */
198 #define	EM_ARC		45		/* Argonaut RISC Core, */
199 					/*	Argonaut Technologies Inc. */
200 #define	EM_H8_300	46		/* Hitachi H8/300 */
201 #define	EM_H8_300H	47		/* Hitachi H8/300H */
202 #define	EM_H8S		48		/* Hitachi H8S */
203 #define	EM_H8_500	49		/* Hitachi H8/500 */
204 #define	EM_IA_64	50		/* Intel IA64 */
205 #define	EM_MIPS_X	51		/* Stanford MIPS-X */
206 #define	EM_COLDFIRE	52		/* Motorola ColdFire */
207 #define	EM_68HC12	53		/* Motorola M68HC12 */
208 #define	EM_MMA		54		/* Fujitsu MMA Mulimedia Accelerator */
209 #define	EM_PCP		55		/* Siemens PCP */
210 #define	EM_NCPU		56		/* Sony nCPU embedded RISC processor */
211 #define	EM_NDR1		57		/* Denso NDR1 microprocessor */
212 #define	EM_STARCORE	58		/* Motorola Star*Core processor */
213 #define	EM_ME16		59		/* Toyota ME16 processor */
214 #define	EM_ST100	60		/* STMicroelectronics ST100 processor */
215 #define	EM_TINYJ	61		/* Advanced Logic Corp. TinyJ */
216 					/*	embedded processor family */
217 #define	EM_AMD64	62		/* AMDs x86-64 architecture */
218 #define	EM_X86_64	EM_AMD64	/* (compatibility) */
219 
220 #define	EM_PDSP		63		/* Sony DSP Processor */
221 #define	EM_UNKNOWN64	64
222 #define	EM_UNKNOWN65	65
223 #define	EM_FX66		66		/* Siemens FX66 microcontroller */
224 #define	EM_ST9PLUS	67		/* STMicroelectronics ST9+8/16 bit */
225 					/*	microcontroller */
226 #define	EM_ST7		68		/* STMicroelectronics ST7 8-bit */
227 					/*	microcontroller */
228 #define	EM_68HC16	69		/* Motorola MC68HC16 Microcontroller */
229 #define	EM_68HC11	70		/* Motorola MC68HC11 Microcontroller */
230 #define	EM_68HC08	71		/* Motorola MC68HC08 Microcontroller */
231 #define	EM_68HC05	72		/* Motorola MC68HC05 Microcontroller */
232 #define	EM_SVX		73		/* Silicon Graphics SVx */
233 #define	EM_ST19		74		/* STMicroelectronics ST19 8-bit */
234 					/*	microcontroller */
235 #define	EM_VAX		75		/* Digital VAX */
236 #define	EM_CRIS		76		/* Axis Communications 32-bit */
237 					/*	embedded processor */
238 #define	EM_JAVELIN	77		/* Infineon Technologies 32-bit */
239 					/*	embedded processor */
240 #define	EM_FIREPATH	78		/* Element 14 64-bit DSP Processor */
241 #define	EM_ZSP		79		/* LSI Logic 16-bit DSP Processor */
242 #define	EM_MMIX		80		/* Donald Knuth's educational */
243 					/*	64-bit processor */
244 #define	EM_HUANY	81		/* Harvard University */
245 					/*	machine-independent */
246 					/*	object files */
247 #define	EM_PRISM	82		/* SiTera Prism */
248 #define	EM_AVR		83		/* Atmel AVR 8-bit microcontroller */
249 #define	EM_FR30		84		/* Fujitsu FR30 */
250 #define	EM_D10V		85		/* Mitsubishi D10V */
251 #define	EM_D30V		86		/* Mitsubishi D30V */
252 #define	EM_V850		87		/* NEC v850 */
253 #define	EM_M32R		88		/* Mitsubishi M32R */
254 #define	EM_MN10300	89		/* Matsushita MN10300 */
255 #define	EM_MN10200	90		/* Matsushita MN10200 */
256 #define	EM_PJ		91		/* picoJava */
257 #define	EM_OPENRISC	92		/* OpenRISC 32-bit embedded processor */
258 #define	EM_ARC_A5	93		/* ARC Cores Tangent-A5 */
259 #define	EM_XTENSA	94		/* Tensilica Xtensa architecture */
260 #define	EM_NUM		95
261 
262 #define	EV_NONE		0		/* e_version, EI_VERSION */
263 #define	EV_CURRENT	1
264 #define	EV_NUM		2
265 
266 
267 #define	ELFOSABI_NONE		0	/* No extensions or unspecified */
268 #define	ELFOSABI_SYSV		ELFOSABI_NONE
269 #define	ELFOSABI_HPUX		1	/* Hewlett-Packard HP-UX */
270 #define	ELFOSABI_NETBSD		2	/* NetBSD */
271 #define	ELFOSABI_LINUX		3	/* Linux */
272 #define	ELFOSABI_UNKNOWN4	4
273 #define	ELFOSABI_UNKNOWN5	5
274 #define	ELFOSABI_SOLARIS	6	/* Sun Solaris */
275 #define	ELFOSABI_AIX		7	/* AIX */
276 #define	ELFOSABI_IRIX		8	/* IRIX */
277 #define	ELFOSABI_FREEBSD	9	/* FreeBSD */
278 #define	ELFOSABI_TRU64		10	/* Compaq TRU64 UNIX */
279 #define	ELFOSABI_MODESTO	11	/* Novell Modesto */
280 #define	ELFOSABI_OPENBSD	12	/* Open BSD */
281 #define	ELFOSABI_OPENVMS	13	/* Open VMS */
282 #define	ELFOSABI_NSK		14	/* Hewlett-Packard Non-Stop Kernel */
283 #define	ELFOSABI_AROS		15	/* Amiga Research OS */
284 #define	ELFOSABI_ARM		97	/* ARM */
285 #define	ELFOSABI_STANDALONE	255	/* standalone (embedded) application */
286 
287 #define	EAV_SUNW_NONE		0	/* EI_ABIVERSION */
288 #define	EAV_SUNW_CURRENT	1
289 #define	EAV_SUNW_NUM		2
290 
291 
292 /*
293  *	Program header
294  */
295 
296 typedef struct {
297 	Elf32_Word	p_type;		/* entry type */
298 	Elf32_Off	p_offset;	/* file offset */
299 	Elf32_Addr	p_vaddr;	/* virtual address */
300 	Elf32_Addr	p_paddr;	/* physical address */
301 	Elf32_Word	p_filesz;	/* file size */
302 	Elf32_Word	p_memsz;	/* memory size */
303 	Elf32_Word	p_flags;	/* entry flags */
304 	Elf32_Word	p_align;	/* memory/file alignment */
305 } Elf32_Phdr;
306 
307 #if defined(_LP64) || defined(_LONGLONG_TYPE)
308 typedef struct {
309 	Elf64_Word	p_type;		/* entry type */
310 	Elf64_Word	p_flags;	/* entry flags */
311 	Elf64_Off	p_offset;	/* file offset */
312 	Elf64_Addr	p_vaddr;	/* virtual address */
313 	Elf64_Addr	p_paddr;	/* physical address */
314 	Elf64_Xword	p_filesz;	/* file size */
315 	Elf64_Xword	p_memsz;	/* memory size */
316 	Elf64_Xword	p_align;	/* memory/file alignment */
317 } Elf64_Phdr;
318 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
319 
320 
321 #define	PT_NULL		0		/* p_type */
322 #define	PT_LOAD		1
323 #define	PT_DYNAMIC	2
324 #define	PT_INTERP	3
325 #define	PT_NOTE		4
326 #define	PT_SHLIB	5
327 #define	PT_PHDR		6
328 #define	PT_TLS		7
329 #define	PT_NUM		8
330 
331 #define	PT_LOOS		0x60000000	/* OS specific range */
332 
333 /*
334  * PT_SUNW_UNWIND and PT_SUNW_EH_FRAME perform the same function,
335  * providing access to the .eh_frame_hdr section of the object.
336  * PT_SUNW_UNWIND is the original value, while PT_SUNW_EH_FRAME is
337  * required by the amd64 psABI. The Solaris link-editor (ld) tags output
338  * objects with PT_SUNW_UNWIND, but the Solaris runtime linker (ld.so.1)
339  * will accept and use either value.
340  */
341 #define	PT_SUNW_UNWIND		0x6464e550
342 #define	PT_SUNW_EH_FRAME	0x6474e550
343 #define	PT_GNU_EH_FRAME		PT_SUNW_EH_FRAME
344 
345 /*
346  * Linux specific program headers not currently used by Solaris
347  */
348 #define	PT_GNU_STACK	0x6474e551	/* Indicates stack executability */
349 #define	PT_GNU_RELRO	0x6474e552	/* Read-only after relocation */
350 
351 #define	PT_LOSUNW	0x6ffffffa
352 #define	PT_SUNWBSS	0x6ffffffa	/* Sun Specific segment (unused) */
353 #define	PT_SUNWSTACK	0x6ffffffb	/* describes the stack segment */
354 #define	PT_SUNWDTRACE	0x6ffffffc	/* private */
355 #define	PT_SUNWCAP	0x6ffffffd	/* hard/soft capabilities segment */
356 #define	PT_HISUNW	0x6fffffff
357 #define	PT_HIOS		0x6fffffff
358 
359 #define	PT_LOPROC	0x70000000	/* processor specific range */
360 #define	PT_HIPROC	0x7fffffff
361 
362 #define	PF_R		0x4		/* p_flags */
363 #define	PF_W		0x2
364 #define	PF_X		0x1
365 
366 #define	PF_MASKOS	0x0ff00000	/* OS specific values */
367 #define	PF_MASKPROC	0xf0000000	/* processor specific values */
368 
369 #define	PF_SUNW_FAILURE	0x00100000	/* mapping absent due to failure */
370 #define	PF_SUNW_KILLED	0x00200000	/* signal received during dump */
371 #define	PF_SUNW_SIGINFO	0x00400000	/* segment has killing sig's siginfo */
372 
373 #define	PN_XNUM		0xffff		/* extended program header index */
374 
375 /*
376  *	Section header
377  */
378 
379 typedef struct {
380 	Elf32_Word	sh_name;	/* section name */
381 	Elf32_Word	sh_type;	/* SHT_... */
382 	Elf32_Word	sh_flags;	/* SHF_... */
383 	Elf32_Addr	sh_addr;	/* virtual address */
384 	Elf32_Off	sh_offset;	/* file offset */
385 	Elf32_Word	sh_size;	/* section size */
386 	Elf32_Word	sh_link;	/* misc info */
387 	Elf32_Word	sh_info;	/* misc info */
388 	Elf32_Word	sh_addralign;	/* memory alignment */
389 	Elf32_Word	sh_entsize;	/* entry size if table */
390 } Elf32_Shdr;
391 
392 #if defined(_LP64) || defined(_LONGLONG_TYPE)
393 typedef struct {
394 	Elf64_Word	sh_name;	/* section name */
395 	Elf64_Word	sh_type;	/* SHT_... */
396 	Elf64_Xword	sh_flags;	/* SHF_... */
397 	Elf64_Addr	sh_addr;	/* virtual address */
398 	Elf64_Off	sh_offset;	/* file offset */
399 	Elf64_Xword	sh_size;	/* section size */
400 	Elf64_Word	sh_link;	/* misc info */
401 	Elf64_Word	sh_info;	/* misc info */
402 	Elf64_Xword	sh_addralign;	/* memory alignment */
403 	Elf64_Xword	sh_entsize;	/* entry size if table */
404 } Elf64_Shdr;
405 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
406 
407 #define	SHT_NULL		0		/* sh_type */
408 #define	SHT_PROGBITS		1
409 #define	SHT_SYMTAB		2
410 #define	SHT_STRTAB		3
411 #define	SHT_RELA		4
412 #define	SHT_HASH		5
413 #define	SHT_DYNAMIC		6
414 #define	SHT_NOTE		7
415 #define	SHT_NOBITS		8
416 #define	SHT_REL			9
417 #define	SHT_SHLIB		10
418 #define	SHT_DYNSYM		11
419 #define	SHT_UNKNOWN12		12
420 #define	SHT_UNKNOWN13		13
421 #define	SHT_INIT_ARRAY		14
422 #define	SHT_FINI_ARRAY		15
423 #define	SHT_PREINIT_ARRAY	16
424 #define	SHT_GROUP		17
425 #define	SHT_SYMTAB_SHNDX	18
426 #define	SHT_NUM			19
427 
428 /* Solaris ABI specific values */
429 #define	SHT_LOOS		0x60000000	/* OS specific range */
430 #define	SHT_LOSUNW		0x6fffffef
431 #define	SHT_SUNW_capchain	0x6fffffef
432 #define	SHT_SUNW_capinfo	0x6ffffff0
433 #define	SHT_SUNW_symsort	0x6ffffff1
434 #define	SHT_SUNW_tlssort	0x6ffffff2
435 #define	SHT_SUNW_LDYNSYM	0x6ffffff3
436 #define	SHT_SUNW_dof		0x6ffffff4
437 #define	SHT_SUNW_cap		0x6ffffff5
438 #define	SHT_SUNW_SIGNATURE	0x6ffffff6
439 #define	SHT_SUNW_ANNOTATE	0x6ffffff7
440 #define	SHT_SUNW_DEBUGSTR	0x6ffffff8
441 #define	SHT_SUNW_DEBUG		0x6ffffff9
442 #define	SHT_SUNW_move		0x6ffffffa
443 #define	SHT_SUNW_COMDAT		0x6ffffffb
444 #define	SHT_SUNW_syminfo	0x6ffffffc
445 #define	SHT_SUNW_verdef		0x6ffffffd
446 #define	SHT_GNU_verdef		SHT_SUNW_verdef
447 #define	SHT_SUNW_verneed	0x6ffffffe
448 #define	SHT_GNU_verneed		SHT_SUNW_verneed
449 #define	SHT_SUNW_versym		0x6fffffff
450 #define	SHT_GNU_versym		SHT_SUNW_versym
451 #define	SHT_HISUNW		0x6fffffff
452 #define	SHT_HIOS		0x6fffffff
453 
454 /*
455  * GNU/Linux OSABI specific values with different meanings than under Solaris.
456  * Due to the overlap in assigned values with the Solaris OSABI, correct
457  * interpretation of these values requires knowledge of the OSABI used by
458  * the object.
459  */
460 #define	SHT_GNU_ATTRIBUTES	0x6ffffff5	/* Object attributes */
461 #define	SHT_GNU_HASH		0x6ffffff6	/* GNU-style hash table */
462 #define	SHT_GNU_LIBLIST		0x6ffffff7	/* Prelink library list */
463 #define	SHT_CHECKSUM		0x6ffffff8	/* Checksum for DSO content */
464 
465 #define	SHT_LOPROC	0x70000000	/* processor specific range */
466 #define	SHT_HIPROC	0x7fffffff
467 
468 #define	SHT_LOUSER	0x80000000
469 #define	SHT_HIUSER	0xffffffff
470 
471 #define	SHF_WRITE		0x01		/* sh_flags */
472 #define	SHF_ALLOC		0x02
473 #define	SHF_EXECINSTR		0x04
474 #define	SHF_MERGE		0x10
475 #define	SHF_STRINGS		0x20
476 #define	SHF_INFO_LINK		0x40
477 #define	SHF_LINK_ORDER		0x80
478 #define	SHF_OS_NONCONFORMING	0x100
479 #define	SHF_GROUP		0x200
480 #define	SHF_TLS			0x400
481 
482 #define	SHF_MASKOS	0x0ff00000	/* OS specific values */
483 
484 
485 #define	SHF_MASKPROC	0xf0000000	/* processor specific values */
486 
487 #define	SHN_UNDEF	0		/* special section numbers */
488 #define	SHN_LORESERVE	0xff00
489 #define	SHN_LOPROC	0xff00		/* processor specific range */
490 #define	SHN_HIPROC	0xff1f
491 #define	SHN_LOOS	0xff20		/* OS specific range */
492 #define	SHN_LOSUNW	0xff3f
493 #define	SHN_SUNW_IGNORE	0xff3f
494 #define	SHN_HISUNW	0xff3f
495 #define	SHN_HIOS	0xff3f
496 #define	SHN_ABS		0xfff1
497 #define	SHN_COMMON	0xfff2
498 #define	SHN_XINDEX	0xffff		/* extended sect index */
499 #define	SHN_HIRESERVE	0xffff
500 
501 
502 
503 /*
504  *	Symbol table
505  */
506 
507 typedef struct {
508 	Elf32_Word	st_name;
509 	Elf32_Addr	st_value;
510 	Elf32_Word	st_size;
511 	unsigned char	st_info;	/* bind, type: ELF_32_ST_... */
512 	unsigned char	st_other;
513 	Elf32_Half	st_shndx;	/* SHN_... */
514 } Elf32_Sym;
515 
516 #if defined(_LP64) || defined(_LONGLONG_TYPE)
517 typedef struct {
518 	Elf64_Word	st_name;
519 	unsigned char	st_info;	/* bind, type: ELF_64_ST_... */
520 	unsigned char	st_other;
521 	Elf64_Half	st_shndx;	/* SHN_... */
522 	Elf64_Addr	st_value;
523 	Elf64_Xword	st_size;
524 } Elf64_Sym;
525 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
526 
527 #define	STN_UNDEF	0
528 
529 /*
530  *	Macros to compose and decompose values for S.st_info
531  *
532  *	bind = ELF32_ST_BIND(S.st_info)
533  *	type = ELF32_ST_TYPE(S.st_info)
534  *	S.st_info = ELF32_ST_INFO(bind, type)
535  */
536 
537 #define	ELF32_ST_BIND(info)		((info) >> 4)
538 #define	ELF32_ST_TYPE(info)		((info) & 0xf)
539 #define	ELF32_ST_INFO(bind, type)	(((bind)<<4)+((type)&0xf))
540 
541 #define	ELF64_ST_BIND(info)		((info) >> 4)
542 #define	ELF64_ST_TYPE(info)		((info) & 0xf)
543 #define	ELF64_ST_INFO(bind, type)	(((bind)<<4)+((type)&0xf))
544 
545 
546 #define	STB_LOCAL	0		/* BIND */
547 #define	STB_GLOBAL	1
548 #define	STB_WEAK	2
549 #define	STB_NUM		3
550 
551 #define	STB_LOPROC	13		/* processor specific range */
552 #define	STB_HIPROC	15
553 
554 #define	STT_NOTYPE	0		/* symbol type is unspecified */
555 #define	STT_OBJECT	1		/* data object */
556 #define	STT_FUNC	2		/* code object */
557 #define	STT_SECTION	3		/* symbol identifies an ELF section */
558 #define	STT_FILE	4		/* symbol's name is file name */
559 #define	STT_COMMON	5		/* common data object */
560 #define	STT_TLS		6		/* thread-local data object */
561 #define	STT_NUM		7		/* # defined types in generic range */
562 #define	STT_LOOS	10		/* OS specific range */
563 #define	STT_HIOS	12
564 #define	STT_LOPROC	13		/* processor specific range */
565 #define	STT_HIPROC	15
566 
567 /*
568  *	Macros to decompose values for S.st_other
569  *
570  *	visibility = ELF32_ST_VISIBILITY(S.st_other)
571  */
572 #define	ELF32_ST_VISIBILITY(other)	((other)&0x7)
573 #define	ELF64_ST_VISIBILITY(other)	((other)&0x7)
574 
575 #define	STV_DEFAULT	0
576 #define	STV_INTERNAL	1
577 #define	STV_HIDDEN	2
578 #define	STV_PROTECTED	3
579 #define	STV_EXPORTED	4
580 #define	STV_SINGLETON	5
581 #define	STV_ELIMINATE	6
582 
583 #define	STV_NUM		7
584 
585 /*
586  *	Relocation
587  */
588 
589 typedef struct {
590 	Elf32_Addr	r_offset;
591 	Elf32_Word	r_info;		/* sym, type: ELF32_R_... */
592 } Elf32_Rel;
593 
594 typedef struct {
595 	Elf32_Addr	r_offset;
596 	Elf32_Word	r_info;		/* sym, type: ELF32_R_... */
597 	Elf32_Sword	r_addend;
598 } Elf32_Rela;
599 
600 #if defined(_LP64) || defined(_LONGLONG_TYPE)
601 typedef struct {
602 	Elf64_Addr	r_offset;
603 	Elf64_Xword	r_info;		/* sym, type: ELF64_R_... */
604 } Elf64_Rel;
605 
606 typedef struct {
607 	Elf64_Addr	r_offset;
608 	Elf64_Xword	r_info;		/* sym, type: ELF64_R_... */
609 	Elf64_Sxword	r_addend;
610 } Elf64_Rela;
611 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
612 
613 
614 /*
615  *	Macros to compose and decompose values for Rel.r_info, Rela.f_info
616  *
617  *	sym = ELF32_R_SYM(R.r_info)
618  *	type = ELF32_R_TYPE(R.r_info)
619  *	R.r_info = ELF32_R_INFO(sym, type)
620  */
621 
622 #define	ELF32_R_SYM(info)	((info)>>8)
623 #define	ELF32_R_TYPE(info)	((unsigned char)(info))
624 #define	ELF32_R_INFO(sym, type)	(((sym)<<8)+(unsigned char)(type))
625 
626 #define	ELF64_R_SYM(info)	((info)>>32)
627 #define	ELF64_R_TYPE(info)    	((Elf64_Word)(info))
628 #define	ELF64_R_INFO(sym, type)	(((Elf64_Xword)(sym)<<32)+(Elf64_Xword)(type))
629 
630 
631 /*
632  * The r_info field is composed of two 32-bit components: the symbol
633  * table index and the relocation type.  The relocation type for SPARC V9
634  * is further decomposed into an 8-bit type identifier and a 24-bit type
635  * dependent data field.  For the existing Elf32 relocation types,
636  * that data field is zero.
637  */
638 #define	ELF64_R_TYPE_DATA(info)	(((Elf64_Xword)(info)<<32)>>40)
639 #define	ELF64_R_TYPE_ID(info)	(((Elf64_Xword)(info)<<56)>>56)
640 #define	ELF64_R_TYPE_INFO(data, type)	\
641 		(((Elf64_Xword)(data)<<8)+(Elf64_Xword)(type))
642 
643 
644 /*
645  * Section Group Flags (SHT_GROUP)
646  */
647 #define	GRP_COMDAT	0x01
648 
649 
650 /*
651  *	Note entry header
652  */
653 
654 typedef struct {
655 	Elf32_Word	n_namesz;	/* length of note's name */
656 	Elf32_Word	n_descsz;	/* length of note's "desc" */
657 	Elf32_Word	n_type;		/* type of note */
658 } Elf32_Nhdr;
659 
660 #if defined(_LP64) || defined(_LONGLONG_TYPE)
661 typedef struct {
662 	Elf64_Word	n_namesz;	/* length of note's name */
663 	Elf64_Word	n_descsz;	/* length of note's "desc" */
664 	Elf64_Word	n_type;		/* type of note */
665 } Elf64_Nhdr;
666 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
667 
668 /*
669  *	Move entry
670  */
671 #if defined(_LP64) || defined(_LONGLONG_TYPE)
672 typedef struct {
673 	Elf32_Lword	m_value;	/* symbol value */
674 	Elf32_Word 	m_info;		/* size + index */
675 	Elf32_Word	m_poffset;	/* symbol offset */
676 	Elf32_Half	m_repeat;	/* repeat count */
677 	Elf32_Half	m_stride;	/* stride info */
678 } Elf32_Move;
679 
680 /*
681  *	Macros to compose and decompose values for Move.r_info
682  *
683  *	sym = ELF32_M_SYM(M.m_info)
684  *	size = ELF32_M_SIZE(M.m_info)
685  *	M.m_info = ELF32_M_INFO(sym, size)
686  */
687 #define	ELF32_M_SYM(info)	((info)>>8)
688 #define	ELF32_M_SIZE(info)	((unsigned char)(info))
689 #define	ELF32_M_INFO(sym, size)	(((sym)<<8)+(unsigned char)(size))
690 
691 typedef struct {
692 	Elf64_Lword	m_value;	/* symbol value */
693 	Elf64_Xword 	m_info;		/* size + index */
694 	Elf64_Xword	m_poffset;	/* symbol offset */
695 	Elf64_Half	m_repeat;	/* repeat count */
696 	Elf64_Half	m_stride;	/* stride info */
697 } Elf64_Move;
698 #define	ELF64_M_SYM(info)	((info)>>8)
699 #define	ELF64_M_SIZE(info)	((unsigned char)(info))
700 #define	ELF64_M_INFO(sym, size)	(((sym)<<8)+(unsigned char)(size))
701 
702 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
703 
704 
705 /*
706  *	Capabilities entry, Capabilities info and Capabilities chain.
707  */
708 #ifndef	_ASM
709 typedef struct {
710 	Elf32_Word	c_tag;		/* how to interpret value */
711 	union {
712 		Elf32_Word	c_val;
713 		Elf32_Addr	c_ptr;
714 	} c_un;
715 } Elf32_Cap;
716 
717 typedef	Elf32_Word	Elf32_Capinfo;
718 typedef	Elf32_Word	Elf32_Capchain;
719 
720 /*
721  *	Macros to compose and decompose values for capabilities info.
722  *
723  *	sym = ELF32_C_SYM(info)
724  *	grp = ELF32_C_GROUP(info)
725  *	info = ELF32_C_INFO(sym, grp)
726  */
727 #define	ELF32_C_SYM(info)	((info)>>8)
728 #define	ELF32_C_GROUP(info)	((unsigned char)(info))
729 #define	ELF32_C_INFO(sym, grp)	(((sym)<<8)+(unsigned char)(grp))
730 
731 
732 #if defined(_LP64) || defined(_LONGLONG_TYPE)
733 typedef struct {
734 	Elf64_Xword	c_tag;		/* how to interpret value */
735 	union {
736 		Elf64_Xword	c_val;
737 		Elf64_Addr	c_ptr;
738 	} c_un;
739 } Elf64_Cap;
740 
741 typedef	Elf64_Xword	Elf64_Capinfo;
742 typedef	Elf64_Word	Elf64_Capchain;
743 
744 /*
745  *	Macros to compose and decompose values for capabilities info.
746  *
747  *	sym = ELF64_C_SYM(info)
748  *	grp = ELF64_C_GROUP(info)
749  *	info = ELF64_C_INFO(sym, grp)
750  */
751 #define	ELF64_C_SYM(info)	((info)>>32)
752 #define	ELF64_C_GROUP(info)    	((Elf64_Word)(info))
753 #define	ELF64_C_INFO(sym, grp)	(((Elf64_Xword)(sym)<<32)+(Elf64_Xword)(grp))
754 
755 #endif	/* defined(_LP64) || defined(_LONGLONG_TYPE) */
756 #endif
757 
758 /*
759  * Version numbers for SHT_SUNW_capinfo and SHT_SUNW_capchain.
760  */
761 #define	CAPINFO_NONE		0
762 #define	CAPINFO_CURRENT		1
763 #define	CAPINFO_NUM		2
764 
765 #define	CAPCHAIN_NONE		0
766 #define	CAPCHAIN_CURRENT	1
767 #define	CAPCHAIN_NUM		2
768 
769 /*
770  * A SHT_SUNW_capinfo table mirrors a symbol table.  A capabilities symbol has
771  * a SHT_SUNW_capinfo table entry that provides an index into the associated
772  * SHT_SUNW_cap capabilities group, and the symbol index of the associated lead
773  * symbol.  A capabilities symbol is a local symbol.  A global lead capabilities
774  * symbol is tagged with a group CAPINFO_SUNW_GLOB.
775  */
776 #define	CAPINFO_SUNW_GLOB	0xff
777 
778 /*
779  * Capabilities values.
780  */
781 #define	CA_SUNW_NULL	0
782 #define	CA_SUNW_HW_1	1		/* first hardware capabilities entry */
783 #define	CA_SUNW_SF_1	2		/* first software capabilities entry */
784 #define	CA_SUNW_HW_2	3		/* second hardware capabilities entry */
785 #define	CA_SUNW_PLAT	4		/* platform capability entry */
786 #define	CA_SUNW_MACH	5		/* machine capability entry */
787 #define	CA_SUNW_ID	6		/* capability identifier */
788 #define	CA_SUNW_NUM	7
789 
790 /*
791  * Define software capabilities (CA_SUNW_SF_1 values).  Note, hardware
792  * capabilities (CA_SUNW_HW_1 values) are taken directly from sys/auxv_$MACH.h.
793  */
794 #define	SF1_SUNW_FPKNWN	0x001		/* frame pointer usage is known */
795 #define	SF1_SUNW_FPUSED	0x002		/* frame pointer is in use */
796 #define	SF1_SUNW_ADDR32	0x004		/* 32-bit address space requirement */
797 #define	SF1_SUNW_MASK	0x007		/* known software capabilities mask */
798 
799 /*
800  *	Known values for note entry types (e_type == ET_CORE)
801  */
802 #define	NT_PRSTATUS	1	/* prstatus_t	<sys/old_procfs.h>	*/
803 #define	NT_PRFPREG	2	/* prfpregset_t	<sys/old_procfs.h>	*/
804 #define	NT_PRPSINFO	3	/* prpsinfo_t	<sys/old_procfs.h>	*/
805 #define	NT_PRXREG	4	/* prxregset_t	<sys/procfs.h>		*/
806 #define	NT_PLATFORM	5	/* string from sysinfo(SI_PLATFORM)	*/
807 #define	NT_AUXV		6	/* auxv_t array	<sys/auxv.h>		*/
808 #define	NT_GWINDOWS	7	/* gwindows_t	SPARC only		*/
809 #define	NT_ASRS		8	/* asrset_t	SPARC V9 only		*/
810 #define	NT_LDT		9	/* ssd array	<sys/sysi86.h> IA32 only */
811 #define	NT_PSTATUS	10	/* pstatus_t	<sys/procfs.h>		*/
812 #define	NT_PSINFO	13	/* psinfo_t	<sys/procfs.h>		*/
813 #define	NT_PRCRED	14	/* prcred_t	<sys/procfs.h>		*/
814 #define	NT_UTSNAME	15	/* struct utsname <sys/utsname.h>	*/
815 #define	NT_LWPSTATUS	16	/* lwpstatus_t	<sys/procfs.h>		*/
816 #define	NT_LWPSINFO	17	/* lwpsinfo_t	<sys/procfs.h>		*/
817 #define	NT_PRPRIV	18	/* prpriv_t	<sys/procfs.h>		*/
818 #define	NT_PRPRIVINFO	19	/* priv_impl_info_t <sys/priv.h>	*/
819 #define	NT_CONTENT	20	/* core_content_t <sys/corectl.h>	*/
820 #define	NT_ZONENAME	21	/* string from getzonenamebyid(3C)	*/
821 #define	NT_FDINFO	22	/* open fd info 			*/
822 #define	NT_SPYMASTER	23	/* psinfo_t for agent LWP spymaster	*/
823 #define	NT_NUM		23
824 
825 
826 #ifdef _KERNEL
827 /*
828  * The following routine checks the processor-specific
829  * fields of an ELF header.
830  */
831 int	elfheadcheck(unsigned char, Elf32_Half, Elf32_Word);
832 #endif
833 
834 #ifdef	__cplusplus
835 }
836 #endif
837 
838 #if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_SPARC)
839 #include <sys/elf_SPARC.h>
840 #endif
841 
842 #if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_386)
843 #include <sys/elf_386.h>
844 #endif
845 
846 #if defined(ELF_TARGET_ALL) || defined(ELF_TARGET_AMD64)
847 #include <sys/elf_amd64.h>
848 #endif
849 
850 #endif	/* _SYS_ELF_H */
851