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15254 %ymm registers not restored after signal handler
15367 x86 getfpregs() summons corrupting %xmm ghosts
15333 want x86 /proc xregs support (libc_db, libproc, mdb, etc.)
15336 want libc functions for extended ucontext_t
15334 want ps_lwphandle-specific reg routines
15328 FPU_CW_INIT mistreats reserved bit
15335 i86pc fpu_subr.c isn't really platform-specific
15332 setcontext(2) isn't actually noreturn
15331 need <sys/stdalign.h>
Change-Id: I7060aa86042dfb989f77fc3323c065ea2eafa9ad
Conflicts:
usr/src/uts/common/fs/proc/prcontrol.c
usr/src/uts/intel/os/archdep.c
usr/src/uts/intel/sys/ucontext.h
usr/src/uts/intel/syscall/getcontext.c
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--- old/usr/src/lib/libc/inc/libc.h
+++ new/usr/src/lib/libc/inc/libc.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
22 22 /*
23 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 24 * Use is subject to license terms.
25 25 */
26 26
27 27 /*
28 28 * This is where all the interfaces that are internal to libc
29 29 * which do not have a better home live
30 30 */
31 31
32 32 #ifndef _LIBC_H
33 33 #define _LIBC_H
34 34
35 35 #include <thread.h>
36 36 #include <stdio.h>
37 37 #include <dirent.h>
38 38 #include <ucontext.h>
39 39 #include <nsswitch.h>
40 40 #include <stddef.h>
41 41 #include <poll.h>
42 42 #include <sys/dl.h>
43 43 #include <sys/door.h>
44 44 #include <sys/ieeefp.h>
45 45 #include <sys/mount.h>
46 46 #include <floatingpoint.h>
47 47 #include <nl_types.h>
48 48 #include <regex.h>
49 49 #include <stdarg.h>
50 50 #include <wchar.h>
51 51 #include <wctype.h>
52 52 #include <libnvpair.h>
53 53 #include <setjmp.h>
54 54
55 55 #ifdef __cplusplus
56 56 extern "C" {
57 57 #endif
58 58
59 59 extern void __set_panicstr(const char *);
60 60 extern void _rewind_unlocked(FILE *);
61 61 extern long _sysconfig(int);
62 62 extern int kill(pid_t pid, int sig);
63 63
64 64 extern int primary_link_map;
65 65 extern void _thr_exit(void *) __NORETURN;
66 66 extern int thr_main(void);
67 67 extern int thr_kill(thread_t tid, int sig);
68 68 extern thread_t thr_self(void);
69 69 extern int mutex_lock(mutex_t *mp);
70 70 extern int mutex_unlock(mutex_t *mp);
71 71 extern void callout_lock_enter(void);
72 72 extern void callout_lock_exit(void);
73 73 extern void *lmalloc(size_t);
74 74 extern void lfree(void *, size_t);
75 75 extern void libc_nvlist_free(nvlist_t *);
76 76 extern int libc_nvlist_lookup_uint64(nvlist_t *, const char *, uint64_t *);
77 77 extern void *libc_malloc(size_t);
78 78 extern void *libc_realloc(void *, size_t);
79 79 extern void libc_free(void *);
80 80 extern char *libc_strdup(const char *);
81 81 extern int _pollsys(struct pollfd *, nfds_t, const timespec_t *,
82 82 const sigset_t *);
83 83
84 84 /*
85 85 * The private_DIR structure is the same as the DIR structure,
86 86 * with the addition of a mutex lock for libc's internal use.
87 87 */
88 88 typedef struct {
89 89 DIR dd_dir;
90 90 mutex_t dd_lock;
91 91 } private_DIR;
92 92
93 93 #if !defined(_LP64)
94 94 /*
95 95 * getdents64 transitional interface is intentionally internal to libc
96 96 */
97 97 extern int getdents64(int, struct dirent64 *, size_t);
98 98 #endif
99 99
100 100 extern int _scrwidth(wchar_t);
101 101
102 102 extern int64_t __div64(int64_t, int64_t);
103 103 extern int64_t __rem64(int64_t, int64_t);
104 104 extern uint64_t __udiv64(uint64_t, uint64_t);
105 105 extern uint64_t __urem64(uint64_t, uint64_t);
106 106 extern int64_t __mul64(int64_t, int64_t);
107 107 extern uint64_t __umul64(uint64_t, uint64_t);
108 108
109 109
110 110 /*
111 111 * Rounding direction functions
112 112 */
113 113 #if defined(__i386) || defined(__amd64)
114 114 extern enum fp_direction_type __xgetRD(void);
115 115 #elif defined(__sparc)
116 116 extern enum fp_direction_type _QgetRD(void);
117 117 #else
118 118 #error Unknown architecture!
119 119 #endif
120 120
121 121 /*
122 122 * defined in open.c
123 123 */
124 124 extern int __open(const char *, int, mode_t);
125 125 extern int __open64(const char *, int, mode_t);
126 126 extern int __openat(int, const char *, int, mode_t);
127 127 extern int __openat64(int, const char *, int, mode_t);
128 128
129 129 /*
130 130 * defined in hex_bin.c
131 131 */
132 132 extern void __hex_to_single(decimal_record *, enum fp_direction_type,
133 133 single *, fp_exception_field_type *);
134 134 extern void __hex_to_double(decimal_record *, enum fp_direction_type,
135 135 double *, fp_exception_field_type *);
136 136 #if defined(__sparc)
137 137 extern void __hex_to_quadruple(decimal_record *, enum fp_direction_type,
138 138 quadruple *, fp_exception_field_type *);
139 139 #elif defined(__i386) || defined(__amd64)
140 140 extern void __hex_to_extended(decimal_record *, enum fp_direction_type,
141 141 extended *, fp_exception_field_type *);
142 142 #else
143 143 #error Unknown architecture
144 144 #endif
145 145
146 146 /*
147 147 * defined in ctime.c
148 148 */
149 149 extern char *__posix_asctime_r(const struct tm *, char *);
150 150
151 151 /*
152 152 * Internal routine from fsync.c
153 153 */
154 154 extern int __fdsync(int, int); /* 2nd arg may be wrong in 64bit mode */
155 155
156 156 /*
157 157 * Internal routine from _xregs_clrptr.c
158 158 */
159 159 extern void _xregs_clrptr(ucontext_t *);
160 160
161 161 /*
162 162 * Internal routine from nfssys.c
163 163 */
164 164 extern int _nfssys(int, void *); /* int in 64bit mode ???, void * ??? */
165 165
166 166 /*
167 167 * Internal routine from psetsys.c
168 168 */
169 169 extern int _pset(int, ...); /* int in 64bit mode ??? */
170 170
171 171 /*
172 172 * defined in sigpending.s
173 173 */
174 174 extern int __sigfillset(sigset_t *);
175 175
176 176 /*
177 177 * defined in sparc/fp/_Q_set_except.c and i386/fp/exception.c
178 178 */
179 179 extern int _Q_set_exception(unsigned int);
180 180
181 181 /*
182 182 * defined in nsparse.c
183 183 */
184 184 extern struct __nsw_switchconfig *_nsw_getoneconfig(const char *name,
185 185 char *linep, enum __nsw_parse_err *);
186 186 extern struct __nsw_switchconfig_v1 *_nsw_getoneconfig_v1(const char *name,
187 187 char *linep, enum __nsw_parse_err *);
188 188
189 189 /*
190 190 * Internal routine from getusershell.c
191 191 */
192 192 extern char *getusershell(void);
193 193
194 194 /*
195 195 * defined in _sigaction.s
196 196 */
197 197 extern int __sigaction(int, const struct sigaction *, struct sigaction *);
198 198
199 199 /*
200 200 * defined in siglongjmp.c
201 201 */
202 202 extern void _siglongjmp(sigjmp_buf, int) __NORETURN;
203 203
204 204 /*
205 205 * defined in _getsp.s
206 206 */
207 207 extern greg_t _getsp(void);
208 208
209 209 /*
210 210 * defined in _so_setsockopt.s
211 211 */
212 212 extern int _so_setsockopt(int, int, int, const char *, int);
213 213
214 214 /*
215 215 * defined in _so_getsockopt.s
216 216 */
217 217 extern int _so_getsockopt(int, int, int, char *, int *);
218 218
219 219 /*
220 220 * defined in lsign.s
221 221 */
222 222 extern int lsign(dl_t);
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223 223
224 224 /*
225 225 * defined in getctxt.c
226 226 */
227 227 extern int _getcontext(ucontext_t *) __RETURNS_TWICE;
228 228
229 229 /*
230 230 * defined in ucontext.s
231 231 */
232 232 extern int __getcontext(ucontext_t *);
233 +extern int __getcontext_extd(ucontext_t *);
233 234
234 235 /*
235 236 * defined in door.s
236 237 */
237 238 extern int __door_info(int, door_info_t *);
238 239 extern int __door_call(int, door_arg_t *);
239 240
240 241 /*
241 242 * defined in _portfs.s
242 243 */
243 244 extern int64_t _portfs(int, uintptr_t, uintptr_t, uintptr_t, uintptr_t,
244 245 uintptr_t);
245 246
246 247 /*
247 248 * defined in xpg4.c
248 249 */
249 250 extern int __xpg4; /* global */
250 251 extern int libc__xpg4; /* copy of __xpg4, private to libc */
251 252
252 253 /*
253 254 * defined in xpg6.c
254 255 */
255 256 extern uint_t __xpg6; /* global */
256 257 extern uint_t libc__xpg6; /* copy of __xpg6, private to libc */
257 258
258 259 /*
259 260 * defined in port/stdio/doscan.c
260 261 */
261 262 extern int _doscan(FILE *, const char *, va_list);
262 263 extern int __doscan_u(FILE *, const char *, va_list, int);
263 264 extern int __wdoscan_u(FILE *, const wchar_t *, va_list, int);
264 265
265 266 #ifndef _LP64
266 267 /* Flag for _ndoprnt() and _doscan_u() */
267 268 #define _F_INTMAX32 0x1 /* if set read 4 bytes for u/intmax %j */
268 269 extern int _fprintf_c89(FILE *, const char *, ...);
269 270 extern int _printf_c89(const char *, ...);
270 271 extern int _snprintf_c89(char *, size_t, const char *, ...);
271 272 extern int _sprintf_c89(char *, const char *, ...);
272 273 extern int _wprintf_c89(const wchar_t *, ...);
273 274 extern int _fwprintf_c89(FILE *, const wchar_t *, ...);
274 275 extern int _swprintf_c89(wchar_t *, size_t, const wchar_t *, ...);
275 276 extern int _vfprintf_c89(FILE *, const char *, va_list);
276 277 extern int _vprintf_c89(const char *, va_list);
277 278 extern int _vsnprintf_c89(char *, size_t, const char *, va_list);
278 279 extern int _vsprintf_c89(char *, const char *, va_list);
279 280 extern int _vwprintf_c89(const wchar_t *, va_list);
280 281 extern int _vfwprintf_c89(FILE *, const wchar_t *, va_list);
281 282 extern int _vswprintf_c89(wchar_t *, size_t, const wchar_t *, va_list);
282 283 extern int _scanf_c89(const char *, ...);
283 284 extern int _fscanf_c89(FILE *, const char *, ...);
284 285 extern int _sscanf_c89(const char *, const char *, ...);
285 286 extern int _vscanf_c89(const char *, va_list);
286 287 extern int _vfscanf_c89(FILE *, const char *, va_list);
287 288 extern int _vsscanf_c89(const char *, const char *, va_list);
288 289 extern int _vwscanf_c89(const wchar_t *, va_list);
289 290 extern int _vfwscanf_c89(FILE *, const wchar_t *, va_list);
290 291 extern int _vswscanf_c89(const wchar_t *, const wchar_t *, va_list);
291 292 extern int _wscanf_c89(const wchar_t *, ...);
292 293 extern int _fwscanf_c89(FILE *, const wchar_t *, ...);
293 294 extern int _swscanf_c89(const wchar_t *, const wchar_t *, ...);
294 295 #endif /* _LP64 */
295 296
296 297 /*
297 298 * defined in port/stdio/popen.c
298 299 */
299 300 extern int _insert(pid_t pid, int fd);
300 301 extern pid_t _delete(int fd);
301 302
302 303 /*
303 304 * defined in port/print/doprnt.c
304 305 */
305 306 extern ssize_t _wdoprnt(const wchar_t *, va_list, FILE *);
306 307
307 308 /*
308 309 * defined in fgetwc.c
309 310 */
310 311 extern wint_t _fgetwc_unlocked(FILE *);
311 312 extern wint_t __getwc_xpg5(FILE *);
312 313 extern wint_t __fgetwc_xpg5(FILE *);
313 314 extern wint_t _getwc(FILE *);
314 315
315 316 /*
316 317 * defined in fputwc.c
317 318 */
318 319 extern wint_t __putwc_xpg5(wint_t, FILE *);
319 320 extern wint_t _putwc(wint_t, FILE *);
320 321
321 322 /*
322 323 * defined in ungetwc.c
323 324 */
324 325 extern wint_t __ungetwc_xpg5(wint_t, FILE *);
325 326
326 327 /*
327 328 * Defined in setlocale.c.
328 329 */
329 330 extern char *current_locale(locale_t, int);
330 331
331 332 /*
332 333 * defined in set_constraint_handler_s.c.
333 334 */
334 335 extern void __throw_constraint_handler_s(const char *_RESTRICT_KYWD, int);
335 336
336 337 /*
337 338 * defined in assfail.c.
338 339 */
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339 340 extern void common_panic(const char *, const char *);
340 341
341 342 /*
342 343 * defined in mbrtowc.c.
343 344 */
344 345 extern size_t mbrtowc_nz_l(wchar_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
345 346 size_t, mbstate_t *_RESTRICT_KYWD, locale_t);
346 347 extern size_t mbrtowc_nz(wchar_t *_RESTRICT_KYWD, const char *_RESTRICT_KYWD,
347 348 size_t, mbstate_t *_RESTRICT_KYWD);
348 349
350 +/*
351 + * defined in getauxv.c.
352 + */
353 +extern long ___getauxval(int);
354 +extern void *___getauxptr(int);
355 +
349 356 #ifdef __cplusplus
350 357 }
351 358 #endif
352 359
353 360 #endif /* _LIBC_H */
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