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--- old/usr/src/uts/common/sys/auxv.h
+++ new/usr/src/uts/common/sys/auxv.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
22 22 /* All Rights Reserved */
23 23
24 24
25 25 /*
26 26 * Copyright 2014 Garrett D'Amore <garrett@damore.org>
27 27 *
28 28 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
29 29 * Use is subject to license terms.
30 30 */
31 31 /*
32 32 * Copyright 2016 Joyent, Inc.
33 33 */
34 34
35 35 #ifndef _SYS_AUXV_H
36 36 #define _SYS_AUXV_H
37 37
38 38 #include <sys/types.h>
39 39
40 40 #ifdef __cplusplus
41 41 extern "C" {
42 42 #endif
43 43
44 44 #if !defined(_ASM)
45 45 typedef struct
46 46 {
47 47 int a_type;
48 48 union {
49 49 long a_val;
50 50 void *a_ptr;
51 51 void (*a_fcn)();
52 52 } a_un;
53 53 } auxv_t;
54 54
55 55 #if defined(_SYSCALL32)
56 56
57 57 typedef struct {
58 58 int32_t a_type;
59 59 union {
60 60 int32_t a_val;
61 61 caddr32_t a_ptr;
62 62 caddr32_t a_fcn;
63 63 } a_un;
64 64 } auxv32_t;
65 65
66 66 #endif /* _SYSCALL32 */
67 67
68 68 #endif /* _ASM */
69 69
70 70 #define AT_NULL 0
71 71 #define AT_IGNORE 1
72 72 #define AT_EXECFD 2
73 73 #define AT_PHDR 3 /* &phdr[0] */
74 74 #define AT_PHENT 4 /* sizeof(phdr[0]) */
75 75 #define AT_PHNUM 5 /* # phdr entries */
76 76 #define AT_PAGESZ 6 /* getpagesize(2) */
77 77 #define AT_BASE 7 /* ld.so base addr */
78 78 #define AT_FLAGS 8 /* processor flags */
79 79 #define AT_ENTRY 9 /* a.out entry point */
80 80
81 81 /* First introduced on Linux */
82 82 #define AT_RANDOM 25 /* address of 16 random bytes */
83 83
84 84 /*
85 85 * These relate to the original PPC ABI document; Linux reused
86 86 * the values for other things (see below), so disambiguation of
87 87 * these values may require additional context in PPC binaries.
88 88 *
89 89 * AT_DCACHEBSIZE 10 smallest data cache block size
90 90 * AT_ICACHEBSIZE 11 smallest instruction cache block size
91 91 * AT_UCACHEBSIZE 12 smallest unified cache block size
92 92 *
93 93 * These are the values from LSB 1.3, the first five are also described
94 94 * in the draft amd64 ABI.
95 95 *
96 96 * At the time of writing, illumos doesn't place any of these values into the
97 97 * aux vector, except where noted. We do similar things via AT_SUN_ values.
98 98 *
99 99 * AT_NOTELF 10 program is not ELF?
100 100 * AT_UID 11 real user id (provided in LX)
101 101 * AT_EUID 12 effective user id (provided in LX)
102 102 * AT_GID 13 real group id (provided in LX)
103 103 * AT_EGID 14 effective group id (provided in LX)
104 104 *
105 105 * AT_PLATFORM 15
106 106 * AT_HWCAP 16
107 107 * AT_CLKTCK 17 c.f. _SC_CLK_TCK (provided in LX)
108 108 * AT_FPUCW 18
109 109 *
110 110 * AT_DCACHEBSIZE 19 (moved from 10)
111 111 * AT_ICACHEBSIZE 20 (moved from 11)
112 112 * AT_UCACHEBSIZE 21 (moved from 12)
113 113 *
114 114 * AT_IGNOREPPC 22
115 115 *
116 116 * On Linux:
117 117 * AT_* values 18 through 22 are reserved
118 118 * AT_SECURE 23 secure mode boolean (provided in LX)
119 119 * AT_BASE_PLATFORM 24 string identifying real platform, may
120 120 * differ from AT_PLATFORM.
121 121 * AT_HWCAP2 26 extension of AT_HWCAP
122 122 * AT_EXECFN 31 filename of program
123 123 * AT_SYSINFO 32
124 124 * AT_SYSINFO_EHDR 33 The vDSO location
125 125 */
126 126
127 127 /*
128 128 * Sun extensions begin here
129 129 */
130 130 #define AT_SUN_UID 2000 /* effective user id */
131 131 #define AT_SUN_RUID 2001 /* real user id */
132 132 #define AT_SUN_GID 2002 /* effective group id */
133 133 #define AT_SUN_RGID 2003 /* real group id */
134 134
135 135 /*
136 136 * The following attributes are specific to the
137 137 * kernel implementation of the linker/loader.
138 138 */
139 139 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
140 140 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section headers */
141 141 #define AT_SUN_LDNAME 2006 /* name of dynamic linker */
142 142 #define AT_SUN_LPAGESZ 2007 /* large pagesize */
143 143 /*
144 144 * The following aux vector provides a null-terminated platform
145 145 * identification string. This information is the same as provided
146 146 * by sysinfo(2) when invoked with the command SI_PLATFORM.
147 147 */
148 148 #define AT_SUN_PLATFORM 2008 /* platform name */
149 149
150 150 /*
151 151 * These attributes communicate performance -hints- about processor
152 152 * hardware capabilities that might be useful to library implementations.
153 153 */
154 154 #define AT_SUN_HWCAP 2009
155 155 #define AT_SUN_HWCAP2 2023
156 156
157 157 #if defined(_KERNEL)
158 158 /*
159 159 * User info regarding machine attributes, respectively reported to native and
160 160 * non-native user apps.
161 161 */
162 162 extern uint_t auxv_hwcap;
163 163 extern uint_t auxv_hwcap_2;
164 164 #if defined(_SYSCALL32)
165 165 extern uint_t auxv_hwcap32;
166 166 extern uint_t auxv_hwcap32_2;
167 167 #endif /* _SYSCALL32 */
168 168 #else
169 169 extern uint_t getisax(uint32_t *, uint_t);
170 170 #endif /* _KERNEL */
171 171
172 172 #define AT_SUN_IFLUSH 2010 /* flush icache? */
173 173 #define AT_SUN_CPU 2011 /* cpu name */
174 174
175 175 /*
176 176 * The following aux vector provides a pointer to a null-terminated
177 177 * path name, a copy of the path name passed to the exec() system
178 178 * call but that has had all symlinks resolved (see resolvepath(2)).
179 179 */
180 180 #define AT_SUN_EXECNAME 2014 /* exec() path name */
181 181
182 182 #define AT_SUN_MMU 2015 /* mmu module name */
183 183 #define AT_SUN_LDDATA 2016 /* dynamic linkers data segment */
184 184
185 185 #define AT_SUN_AUXFLAGS 2017 /* AF_SUN_ flags passed from the kernel */
186 186
187 187 /*
188 188 * Used to indicate to the runtime linker the name of the emulation binary,
189 189 * if one is being used. For brands, this is the name of the brand library.
190 190 */
191 191 #define AT_SUN_EMULATOR 2018
192 192
193 193 #define AT_SUN_BRANDNAME 2019
194 194
195 195 /*
196 196 * Aux vectors available for brand modules.
197 197 */
198 198 #define AT_SUN_BRAND_AUX1 2020
199 199 #define AT_SUN_BRAND_AUX2 2021
200 200 #define AT_SUN_BRAND_AUX3 2022
201 201 #define AT_SUN_BRAND_AUX4 2025
202 202 #define AT_SUN_BRAND_NROOT 2024
203 203
204 204 /*
205 205 * Aux vector for comm page
206 206 */
207 207 #define AT_SUN_COMMPAGE 2026
208 208
209 209 /*
210 210 * Note that 2023 is reserved for the AT_SUN_HWCAP2 word defined above.
211 211 */
212 212
213 213 /*
214 214 * The kernel is in a better position to determine whether a process needs to
215 215 * ignore dangerous LD environment variables. If set, this flags tells
216 216 * ld.so.1 to run "secure" and ignore the the environment.
217 217 */
218 218 #define AF_SUN_SETUGID 0x00000001
219 219
220 220 /*
221 221 * If set, this flag indicates that hardware capabilites can be verified
222 222 * against the AT_SUN_HWCAP value.
223 223 */
224 224 #define AF_SUN_HWCAPVERIFY 0x00000002
225 225
226 226 /*
227 227 * If set, this flag indicates that the the linker should not initialize
228 228 * any of its link maps as primary link wrt the unified libc threading
229 229 * interfaces.
230 230 */
231 231 #define AF_SUN_NOPLM 0x00000004
232 232
233 233 #ifdef __cplusplus
234 234 }
235 235 #endif
236 236
237 237 #if defined(_AUXV_TARGET_ALL) || defined(_AUXV_TARGET_SPARC) || defined(__sparc)
238 238 #include <sys/auxv_SPARC.h>
239 239 #endif
240 240
241 241 #if defined(_AUXV_TARGET_ALL) || defined(_AUXV_TARGET_386) || defined(__x86)
242 242 #include <sys/auxv_386.h>
243 243 #endif
244 244
245 245 #endif /* _SYS_AUXV_H */
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