xref: /illumos-gate/usr/src/uts/common/sys/elf_SPARC.h (revision d9452f23)
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 /*
23  *	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T
24  *	  All Rights Reserved
25  *
26  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
27  * Use is subject to license terms.
28  */
29 
30 #ifndef _SYS_ELF_SPARC_H
31 #define	_SYS_ELF_SPARC_H
32 
33 #ifdef	__cplusplus
34 extern "C" {
35 #endif
36 
37 #define	EF_SPARC_32PLUS_MASK	0xffff00	/* bits indicating V8+ type */
38 #define	EF_SPARC_32PLUS		0x000100	/* generic V8+ features */
39 #define	EF_SPARC_EXT_MASK	0xffff00	/* bits for vendor extensions */
40 #define	EF_SPARC_SUN_US1	0x000200	/* Sun UltraSPARC1 extensions */
41 #define	EF_SPARC_HAL_R1		0x000400	/* HAL R1 extensions */
42 #define	EF_SPARC_SUN_US3	0x000800	/* Sun UltraSPARC3 extensions */
43 
44 #define	EF_SPARCV9_MM		0x3		/* mask for memory model */
45 #define	EF_SPARCV9_TSO		0x0		/* total store ordering */
46 #define	EF_SPARCV9_PSO		0x1		/* partial store ordering */
47 #define	EF_SPARCV9_RMO		0x2		/* relaxed memory ordering */
48 
49 #define	R_SPARC_NONE		0		/* relocation type */
50 #define	R_SPARC_8		1
51 #define	R_SPARC_16		2
52 #define	R_SPARC_32		3
53 #define	R_SPARC_DISP8		4
54 #define	R_SPARC_DISP16		5
55 #define	R_SPARC_DISP32		6
56 #define	R_SPARC_WDISP30		7
57 #define	R_SPARC_WDISP22		8
58 #define	R_SPARC_HI22		9
59 #define	R_SPARC_22		10
60 #define	R_SPARC_13		11
61 #define	R_SPARC_LO10		12
62 #define	R_SPARC_GOT10		13
63 #define	R_SPARC_GOT13		14
64 #define	R_SPARC_GOT22		15
65 #define	R_SPARC_PC10		16
66 #define	R_SPARC_PC22		17
67 #define	R_SPARC_WPLT30		18
68 #define	R_SPARC_COPY		19
69 #define	R_SPARC_GLOB_DAT	20
70 #define	R_SPARC_JMP_SLOT	21
71 #define	R_SPARC_RELATIVE	22
72 #define	R_SPARC_UA32		23
73 #define	R_SPARC_PLT32		24
74 #define	R_SPARC_HIPLT22		25
75 #define	R_SPARC_LOPLT10		26
76 #define	R_SPARC_PCPLT32		27
77 #define	R_SPARC_PCPLT22		28
78 #define	R_SPARC_PCPLT10		29
79 #define	R_SPARC_10		30
80 #define	R_SPARC_11		31
81 #define	R_SPARC_64		32
82 #define	R_SPARC_OLO10		33
83 #define	R_SPARC_HH22		34
84 #define	R_SPARC_HM10		35
85 #define	R_SPARC_LM22		36
86 #define	R_SPARC_PC_HH22		37
87 #define	R_SPARC_PC_HM10		38
88 #define	R_SPARC_PC_LM22		39
89 #define	R_SPARC_WDISP16		40
90 #define	R_SPARC_WDISP19		41
91 #define	R_SPARC_GLOB_JMP	42
92 #define	R_SPARC_7		43
93 #define	R_SPARC_5		44
94 #define	R_SPARC_6		45
95 #define	R_SPARC_DISP64		46
96 #define	R_SPARC_PLT64		47
97 #define	R_SPARC_HIX22		48
98 #define	R_SPARC_LOX10		49
99 #define	R_SPARC_H44		50
100 #define	R_SPARC_M44		51
101 #define	R_SPARC_L44		52
102 #define	R_SPARC_REGISTER	53
103 #define	R_SPARC_UA64		54
104 #define	R_SPARC_UA16		55
105 #define	R_SPARC_TLS_GD_HI22	56
106 #define	R_SPARC_TLS_GD_LO10	57
107 #define	R_SPARC_TLS_GD_ADD	58
108 #define	R_SPARC_TLS_GD_CALL	59
109 #define	R_SPARC_TLS_LDM_HI22	60
110 #define	R_SPARC_TLS_LDM_LO10	61
111 #define	R_SPARC_TLS_LDM_ADD	62
112 #define	R_SPARC_TLS_LDM_CALL	63
113 #define	R_SPARC_TLS_LDO_HIX22	64
114 #define	R_SPARC_TLS_LDO_LOX10	65
115 #define	R_SPARC_TLS_LDO_ADD	66
116 #define	R_SPARC_TLS_IE_HI22	67
117 #define	R_SPARC_TLS_IE_LO10	68
118 #define	R_SPARC_TLS_IE_LD	69
119 #define	R_SPARC_TLS_IE_LDX	70
120 #define	R_SPARC_TLS_IE_ADD	71
121 #define	R_SPARC_TLS_LE_HIX22	72
122 #define	R_SPARC_TLS_LE_LOX10	73
123 #define	R_SPARC_TLS_DTPMOD32	74
124 #define	R_SPARC_TLS_DTPMOD64	75
125 #define	R_SPARC_TLS_DTPOFF32	76
126 #define	R_SPARC_TLS_DTPOFF64	77
127 #define	R_SPARC_TLS_TPOFF32	78
128 #define	R_SPARC_TLS_TPOFF64	79
129 #define	R_SPARC_GOTDATA_HIX22	80
130 #define	R_SPARC_GOTDATA_LOX10	81
131 #define	R_SPARC_GOTDATA_OP_HIX22	82
132 #define	R_SPARC_GOTDATA_OP_LOX10	83
133 #define	R_SPARC_GOTDATA_OP	84
134 #define	R_SPARC_H34		85
135 #define	R_SPARC_SIZE32		86
136 #define	R_SPARC_SIZE64		87
137 #define	R_SPARC_NUM		88
138 
139 /*
140  * Relocation aliases
141  */
142 #define	R_SPARC_L34	R_SPARC_L44	/* associated with R_SPARC_H34 */
143 					/*   same calc as R_SPARC_L44 */
144 
145 #define	ELF_SPARC_MAXPGSZ	0x10000		/* maximum page size */
146 #define	ELF_SPARCV9_MAXPGSZ	0x100000
147 
148 /*
149  * Processor specific section types
150  */
151 #define	SHT_SPARC_GOTDATA	0x70000000
152 
153 #define	SHF_ORDERED		0x40000000
154 #define	SHF_EXCLUDE		0x80000000
155 
156 #define	SHN_BEFORE		0xff00
157 #define	SHN_AFTER		0xff01
158 
159 #define	STT_SPARC_REGISTER	13		/* register symbol type */
160 
161 #define	DT_SPARC_REGISTER	0x70000001	/* identifies register */
162 						/*	symbols */
163 
164 
165 /*
166  * Register symbol numbers - to be used in the st_value field
167  * of register symbols.
168  */
169 #define	STO_SPARC_REGISTER_G1	0x1		/* register %g1 */
170 #define	STO_SPARC_REGISTER_G2	0x2		/* register %g2 */
171 #define	STO_SPARC_REGISTER_G3	0x3		/* register %g3 */
172 #define	STO_SPARC_REGISTER_G4	0x4		/* register %g4 */
173 #define	STO_SPARC_REGISTER_G5	0x5		/* register %g5 */
174 #define	STO_SPARC_REGISTER_G6	0x6		/* register %g6 */
175 #define	STO_SPARC_REGISTER_G7	0x7		/* register %g7 */
176 
177 /*
178  * There are consumers of this file that want to include elf defines for
179  * all architectures.  This is a problem for the defines below, because
180  * while they are architecture specific they have common names.  Hence to
181  * prevent attempts to redefine these variables we'll check if any of
182  * the other elf architecture header files have been included.  If
183  * they have then we'll just stick with the existing definitions.
184  */
185 #if !defined(_SYS_ELF_MACH_COMMON)
186 #define	_SYS_ELF_MACH_COMMON
187 
188 /*
189  * Plt and Got information; the first few .got and .plt entries are reserved
190  *	PLT[0]	jump to dynamic linker
191  *	GOT[0]	address of _DYNAMIC
192  */
193 #define	M_PLT_INSSIZE		4	/* single plt instruction size */
194 #define	M_PLT_XNumber		4	/* reserved no. of plt entries */
195 #define	M_GOT_XDYNAMIC		0	/* got index for _DYNAMIC */
196 #define	M_GOT_XNumber		1	/* reserved no. of got entries */
197 
198 /*
199  * ELF32 bit PLT constants
200  */
201 #define	M32_WORD_ALIGN		4
202 #define	M32_PLT_ENTSIZE		12	/* plt entry size in bytes */
203 #define	M32_PLT_ALIGN		M_WORD_ALIGN /* alignment of .plt section */
204 #define	M32_GOT_ENTSIZE		4	/* got entry size in bytes */
205 #define	M32_GOT_MAXSMALL	2048	/* maximum no. of small gots */
206 #define	M32_PLT_RESERVSZ	(M_PLT_XNumber * \
207 				M32_PLT_ENTSIZE) /* first 4 plt's reserved */
208 
209 /*
210  * ELF64 bit PLT constants
211  */
212 #define	M64_WORD_ALIGN		8
213 #define	M64_PLT_ENTSIZE		32	/* plt entry size in bytes */
214 #define	M64_PLT_ALIGN		256	/* alignment of .plt section */
215 #define	M64_GOT_ENTSIZE		8	/* got entry size in bytes */
216 #define	M64_GOT_MAXSMALL	1024	/* maximum no. of small gots */
217 #define	M64_PLT_RESERVSZ	(M_PLT_XNumber * \
218 				M64_PLT_ENTSIZE) /* first 4 plt's reserved */
219 
220 #define	M64_PLT_NEARPLTS	0x8000	/* # of NEAR PLTS we can have */
221 #define	M64_PLT_FENTSIZE	24	/* size of far plt is 6 instructions */
222 					/*	x 4bytes */
223 #define	M64_PLT_PSIZE		8		/* size of PLTP pointer */
224 #define	M64_PLT_FBLKCNTS	160	/* # of plts in far PLT blocks */
225 #define	M64_PLT_FBLOCKSZ	(M64_PLT_FBLKCNTS *\
226 				M64_PLT_ENTSIZE) /* size of far PLT block */
227 
228 
229 /*
230  * Make common alias for the 32/64 bit specific defines based on _ELF64
231  */
232 #ifdef _ELF64
233 /* architecture common defines */
234 #define	M_WORD_ALIGN		M64_WORD_ALIGN
235 #define	M_PLT_ENTSIZE		M64_PLT_ENTSIZE
236 #define	M_PLT_ALIGN		M64_PLT_ALIGN
237 #define	M_PLT_RESERVSZ		M64_PLT_RESERVSZ
238 #define	M_GOT_ENTSIZE		M64_GOT_ENTSIZE
239 /* sparc specific defines */
240 #define	M_GOT_MAXSMALL		M64_GOT_MAXSMALL
241 #else /* !_ELF64 */
242 /* architecture common defines */
243 #define	M_WORD_ALIGN		M32_WORD_ALIGN
244 #define	M_PLT_ENTSIZE		M32_PLT_ENTSIZE
245 #define	M_PLT_ALIGN		M32_PLT_ALIGN
246 #define	M_PLT_RESERVSZ		M32_PLT_RESERVSZ
247 #define	M_GOT_ENTSIZE		M32_GOT_ENTSIZE
248 /* sparc specific defines */
249 #define	M_GOT_MAXSMALL		M32_GOT_MAXSMALL
250 #endif /* !_ELF64 */
251 
252 #endif /* !_SYS_ELF_MACH_COMMON */
253 
254 #ifdef	__cplusplus
255 }
256 #endif
257 
258 #endif	/* _SYS_ELF_SPARC_H */
259