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8322 nl: misleading-indentation
[unleashed/tickless.git] / usr / src / lib / libproc / common / P32ton.c
blobacb52058c963c5cd6f8ed8be1f0fe7d7c483f370
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 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #include <sys/types.h>
28 #include <sys/mkdev.h>
29 #include <sys/regset.h>
30 #include <string.h>
31
32 #if defined(__amd64)
33 #include <sys/fp.h>
34 #include <ieeefp.h>
35 #endif
36
37 #include "P32ton.h"
38
39 dev_t
40 prexpldev(dev32_t d)
41 {
42 if (d != (dev32_t)-1L)
43 return (makedev((d >> NBITSMINOR32) & MAXMAJ32, d & MAXMIN32));
44
45 return ((dev_t)PRNODEV);
46 }
47
48
49 dev32_t
50 prcmpldev(dev_t d)
51 {
52 #ifdef _LP64
53 if (d == PRNODEV) {
54 return (PRNODEV32);
55 } else {
56 major_t maj = major(d);
57 minor_t min = minor(d);
58
59 if (maj == (major_t)PRNODEV || min == (minor_t)PRNODEV)
60 return (PRNODEV32);
61
62 return ((dev32_t)((maj << NBITSMINOR32) | min));
63 }
64 #else
65 return ((dev32_t)d);
66 #endif
67 }
68
69 #ifdef _LP64
70
71 void
72 timestruc_32_to_n(const timestruc32_t *src, timestruc_t *dst)
73 {
74 dst->tv_sec = (time_t)(uint32_t)src->tv_sec;
75 dst->tv_nsec = (long)(uint32_t)src->tv_nsec;
76 }
77
78 void
79 stack_32_to_n(const stack32_t *src, stack_t *dst)
80 {
81 dst->ss_sp = (caddr_t)(uintptr_t)src->ss_sp;
82 dst->ss_size = src->ss_size;
83 dst->ss_flags = src->ss_flags;
84 }
85
86 void
87 sigaction_32_to_n(const struct sigaction32 *src, struct sigaction *dst)
88 {
89 (void) memset(dst, 0, sizeof (struct sigaction));
90 dst->sa_flags = src->sa_flags;
91 dst->sa_handler = (void (*)())(uintptr_t)src->sa_handler;
92 (void) memcpy(&dst->sa_mask, &src->sa_mask, sizeof (dst->sa_mask));
93 }
94
95 void
96 siginfo_32_to_n(const siginfo32_t *src, siginfo_t *dst)
97 {
98 (void) memset(dst, 0, sizeof (siginfo_t));
99
100 /*
101 * The absolute minimum content is si_signo and si_code.
102 */
103 dst->si_signo = src->si_signo;
104 if ((dst->si_code = src->si_code) == SI_NOINFO)
105 return;
106
107 /*
108 * A siginfo generated by user level is structured
109 * differently from one generated by the kernel.
110 */
111 if (SI_FROMUSER(src)) {
112 dst->si_pid = src->si_pid;
113 dst->si_ctid = src->si_ctid;
114 dst->si_zoneid = src->si_zoneid;
115 dst->si_uid = src->si_uid;
116 if (SI_CANQUEUE(src->si_code)) {
117 dst->si_value.sival_int =
118 (long)(uint32_t)src->si_value.sival_int;
119 }
120 return;
121 }
122
123 dst->si_errno = src->si_errno;
124
125 switch (src->si_signo) {
126 default:
127 dst->si_pid = src->si_pid;
128 dst->si_ctid = src->si_ctid;
129 dst->si_zoneid = src->si_zoneid;
130 dst->si_uid = src->si_uid;
131 dst->si_value.sival_int =
132 (long)(uint32_t)src->si_value.sival_int;
133 break;
134 case SIGCLD:
135 dst->si_pid = src->si_pid;
136 dst->si_ctid = src->si_ctid;
137 dst->si_zoneid = src->si_zoneid;
138 dst->si_status = src->si_status;
139 dst->si_stime = src->si_stime;
140 dst->si_utime = src->si_utime;
141 break;
142 case SIGSEGV:
143 case SIGBUS:
144 case SIGILL:
145 case SIGTRAP:
146 case SIGFPE:
147 case SIGEMT:
148 dst->si_addr = (void *)(uintptr_t)src->si_addr;
149 dst->si_trapno = src->si_trapno;
150 dst->si_pc = (void *)(uintptr_t)src->si_pc;
151 break;
152 case SIGPOLL:
153 case SIGXFSZ:
154 dst->si_fd = src->si_fd;
155 dst->si_band = src->si_band;
156 break;
157 case SIGPROF:
158 dst->si_faddr = (void *)(uintptr_t)src->si_faddr;
159 dst->si_tstamp.tv_sec = src->si_tstamp.tv_sec;
160 dst->si_tstamp.tv_nsec = src->si_tstamp.tv_nsec;
161 dst->si_syscall = src->si_syscall;
162 dst->si_nsysarg = src->si_nsysarg;
163 dst->si_fault = src->si_fault;
164 break;
165 }
166 }
167
168 void
169 auxv_32_to_n(const auxv32_t *src, auxv_t *dst)
170 {
171 /*
172 * This is a little sketchy: we have three types of values stored
173 * in an auxv (long, void *, and void (*)()) so the only sign-extension
174 * issue is with the long. We could case on all possible AT_* types,
175 * but this seems silly since currently none of the types which use
176 * a_un.a_val actually use negative numbers as a value. For this
177 * reason, it seems simpler to just do an unsigned expansion for now.
178 */
179 dst->a_type = src->a_type;
180 dst->a_un.a_ptr = (void *)(uintptr_t)src->a_un.a_ptr;
181 }
182
183 #if defined(__sparc)
184 void
185 rwindow_32_to_n(const struct rwindow32 *src, struct rwindow *dst)
186 {
187 int i;
188
189 for (i = 0; i < 8; i++) {
190 dst->rw_local[i] = (uint64_t)(uint32_t)src->rw_local[i];
191 dst->rw_in[i] = (uint64_t)(uint32_t)src->rw_in[i];
192 }
193 }
194
195 void
196 gwindows_32_to_n(const gwindows32_t *src, gwindows_t *dst)
197 {
198 int i;
199
200 (void) memset(dst, 0, sizeof (gwindows_t));
201 dst->wbcnt = src->wbcnt;
202
203 for (i = 0; i < src->wbcnt; i++) {
204 if (src->spbuf[i] != 0) {
205 rwindow_32_to_n(&src->wbuf[i], &dst->wbuf[i]);
206 dst->spbuf[i] = (greg_t *)(uintptr_t)src->spbuf[i];
207 }
208 }
209 }
210 #endif /* __sparc */
211
212 void
213 prgregset_32_to_n(const prgreg32_t *src, prgreg_t *dst)
214 {
215 #ifdef __amd64
216 (void) memset(dst, 0, NPRGREG * sizeof (prgreg_t));
217 dst[REG_GS] = (uint32_t)src[GS];
218 dst[REG_FS] = (uint32_t)src[FS];
219 dst[REG_DS] = (uint32_t)src[DS];
220 dst[REG_ES] = (uint32_t)src[ES];
221 dst[REG_RDI] = (uint32_t)src[EDI];
222 dst[REG_RSI] = (uint32_t)src[ESI];
223 dst[REG_RBP] = (uint32_t)src[EBP];
224 dst[REG_RBX] = (uint32_t)src[EBX];
225 dst[REG_RDX] = (uint32_t)src[EDX];
226 dst[REG_RCX] = (uint32_t)src[ECX];
227 dst[REG_RAX] = (uint32_t)src[EAX];
228 dst[REG_TRAPNO] = (uint32_t)src[TRAPNO];
229 dst[REG_ERR] = (uint32_t)src[ERR];
230 dst[REG_RIP] = (uint32_t)src[EIP];
231 dst[REG_CS] = (uint32_t)src[CS];
232 dst[REG_RFL] = (uint32_t)src[EFL];
233 dst[REG_RSP] = (uint32_t)src[UESP];
234 dst[REG_SS] = (uint32_t)src[SS];
235 #else
236 int i;
237
238 for (i = 0; i < NPRGREG; i++)
239 dst[i] = (prgreg_t)(uint32_t)src[i];
240 #endif
241 }
242
243 void
244 prfpregset_32_to_n(const prfpregset32_t *src, prfpregset_t *dst)
245 {
246 #if defined(__sparc)
247 int i;
248
249 (void) memset(dst, 0, sizeof (prfpregset_t));
250
251 for (i = 0; i < 32; i++)
252 dst->pr_fr.pr_regs[i] = src->pr_fr.pr_regs[i];
253
254 /*
255 * We deliberately do not convert pr_qcnt or pr_q because it is a long-
256 * standing /proc bug that this information is not exported, and another
257 * bug further caused these values to be returned as uninitialized data
258 * when the 64-bit kernel exported them for a 32-bit process with en=0.
259 */
260 dst->pr_filler = src->pr_filler;
261 dst->pr_fsr = src->pr_fsr;
262 dst->pr_q_entrysize = src->pr_q_entrysize;
263 dst->pr_en = src->pr_en;
264
265 #elif defined(__amd64)
266
267 struct _fpstate32 *src32 = (struct _fpstate32 *)src;
268 struct _fpchip_state *dst64 = (struct _fpchip_state *)dst;
269 int i;
270
271 (void) memcpy(dst64->st, src32->_st, sizeof (src32->_st));
272 (void) memcpy(dst64->xmm, src32->xmm, sizeof (src32->xmm));
273 (void) memset((caddr_t)dst64->xmm + sizeof (src32->xmm), 0,
274 sizeof (dst64->xmm) - sizeof (src32->xmm));
275 dst64->cw = (uint16_t)src32->cw;
276 dst64->sw = (uint16_t)src32->sw;
277 dst64->fop = 0;
278 dst64->rip = src32->ipoff;
279 dst64->rdp = src32->dataoff;
280 dst64->mxcsr = src32->mxcsr;
281 dst64->mxcsr_mask = 0;
282 dst64->status = src32->status;
283 dst64->xstatus = src32->xstatus;
284
285 /*
286 * Converting from the tag field to the compressed fctw is easy.
287 * If the two tag bits are 3, then the register is empty and we
288 * clear the bit in fctw. Otherwise we set the bit.
289 */
290
291 dst64->fctw = 0;
292 for (i = 0; i < 8; i++)
293 if (((src32->tag >> (i * 2)) & 3) != 3)
294 dst64->fctw |= 1 << i;
295 #else
296 #error "unrecognized ISA"
297 #endif
298 }
299
300 void
301 lwpstatus_32_to_n(const lwpstatus32_t *src, lwpstatus_t *dst)
302 {
303 int i;
304
305 dst->pr_flags = src->pr_flags;
306 dst->pr_lwpid = src->pr_lwpid;
307 dst->pr_why = src->pr_why;
308 dst->pr_what = src->pr_what;
309 dst->pr_cursig = src->pr_cursig;
310
311 siginfo_32_to_n(&src->pr_info, &dst->pr_info);
312
313 dst->pr_lwppend = src->pr_lwppend;
314 dst->pr_lwphold = src->pr_lwphold;
315
316 sigaction_32_to_n(&src->pr_action, &dst->pr_action);
317 stack_32_to_n(&src->pr_altstack, &dst->pr_altstack);
318
319 dst->pr_oldcontext = src->pr_oldcontext;
320 dst->pr_syscall = src->pr_syscall;
321 dst->pr_nsysarg = src->pr_nsysarg;
322 dst->pr_errno = src->pr_errno;
323
324 for (i = 0; i < PRSYSARGS; i++)
325 dst->pr_sysarg[i] = (long)(uint32_t)src->pr_sysarg[i];
326
327 dst->pr_rval1 = (long)(uint32_t)src->pr_rval1;
328 dst->pr_rval2 = (long)(uint32_t)src->pr_rval2;
329
330 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ);
331 timestruc_32_to_n(&src->pr_tstamp, &dst->pr_tstamp);
332
333 dst->pr_ustack = src->pr_ustack;
334 dst->pr_instr = src->pr_instr;
335
336 prgregset_32_to_n(src->pr_reg, dst->pr_reg);
337 prfpregset_32_to_n(&src->pr_fpreg, &dst->pr_fpreg);
338 }
339
340 void
341 pstatus_32_to_n(const pstatus32_t *src, pstatus_t *dst)
342 {
343 dst->pr_flags = src->pr_flags;
344 dst->pr_nlwp = src->pr_nlwp;
345 dst->pr_nzomb = src->pr_nzomb;
346 dst->pr_pid = src->pr_pid;
347 dst->pr_ppid = src->pr_ppid;
348 dst->pr_pgid = src->pr_pgid;
349 dst->pr_sid = src->pr_sid;
350 dst->pr_taskid = src->pr_taskid;
351 dst->pr_projid = src->pr_projid;
352 dst->pr_zoneid = src->pr_zoneid;
353 dst->pr_aslwpid = src->pr_aslwpid;
354 dst->pr_agentid = src->pr_agentid;
355 dst->pr_sigpend = src->pr_sigpend;
356 dst->pr_brkbase = src->pr_brkbase;
357 dst->pr_brksize = src->pr_brksize;
358 dst->pr_stkbase = src->pr_stkbase;
359 dst->pr_stksize = src->pr_stksize;
360
361 timestruc_32_to_n(&src->pr_utime, &dst->pr_utime);
362 timestruc_32_to_n(&src->pr_stime, &dst->pr_stime);
363 timestruc_32_to_n(&src->pr_cutime, &dst->pr_cutime);
364 timestruc_32_to_n(&src->pr_cstime, &dst->pr_cstime);
365
366 dst->pr_sigtrace = src->pr_sigtrace;
367 dst->pr_flttrace = src->pr_flttrace;
368 dst->pr_sysentry = src->pr_sysentry;
369 dst->pr_sysexit = src->pr_sysexit;
370 dst->pr_dmodel = src->pr_dmodel;
371
372 lwpstatus_32_to_n(&src->pr_lwp, &dst->pr_lwp);
373 }
374
375 void
376 lwpsinfo_32_to_n(const lwpsinfo32_t *src, lwpsinfo_t *dst)
377 {
378 dst->pr_flag = src->pr_flag;
379 dst->pr_lwpid = src->pr_lwpid;
380 dst->pr_addr = src->pr_addr;
381 dst->pr_wchan = src->pr_wchan;
382 dst->pr_stype = src->pr_stype;
383 dst->pr_state = src->pr_state;
384 dst->pr_sname = src->pr_sname;
385 dst->pr_nice = src->pr_nice;
386 dst->pr_syscall = src->pr_syscall;
387 dst->pr_oldpri = src->pr_oldpri;
388 dst->pr_cpu = src->pr_cpu;
389 dst->pr_pri = src->pr_pri;
390 dst->pr_pctcpu = src->pr_pctcpu;
391
392 timestruc_32_to_n(&src->pr_start, &dst->pr_start);
393 timestruc_32_to_n(&src->pr_time, &dst->pr_time);
394
395 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ);
396 (void) memcpy(&dst->pr_name[0], &src->pr_name[0], PRFNSZ);
397
398 dst->pr_onpro = src->pr_onpro;
399 dst->pr_bindpro = src->pr_bindpro;
400 dst->pr_bindpset = src->pr_bindpset;
401 dst->pr_lgrp = src->pr_lgrp;
402 }
403
404 void
405 psinfo_32_to_n(const psinfo32_t *src, psinfo_t *dst)
406 {
407 dst->pr_flag = src->pr_flag;
408 dst->pr_nlwp = src->pr_nlwp;
409 dst->pr_nzomb = src->pr_nzomb;
410 dst->pr_pid = src->pr_pid;
411 dst->pr_pgid = src->pr_pgid;
412 dst->pr_sid = src->pr_sid;
413 dst->pr_taskid = src->pr_taskid;
414 dst->pr_projid = src->pr_projid;
415 dst->pr_zoneid = src->pr_zoneid;
416 dst->pr_uid = src->pr_uid;
417 dst->pr_euid = src->pr_euid;
418 dst->pr_gid = src->pr_gid;
419 dst->pr_egid = src->pr_egid;
420 dst->pr_addr = src->pr_addr;
421 dst->pr_size = src->pr_size;
422 dst->pr_rssize = src->pr_rssize;
423
424 dst->pr_ttydev = prexpldev(src->pr_ttydev);
425
426 dst->pr_pctcpu = src->pr_pctcpu;
427 dst->pr_pctmem = src->pr_pctmem;
428
429 timestruc_32_to_n(&src->pr_start, &dst->pr_start);
430 timestruc_32_to_n(&src->pr_time, &dst->pr_time);
431 timestruc_32_to_n(&src->pr_ctime, &dst->pr_ctime);
432
433 (void) memcpy(&dst->pr_fname[0], &src->pr_fname[0], PRFNSZ);
434 (void) memcpy(&dst->pr_psargs[0], &src->pr_psargs[0], PRARGSZ);
435
436 dst->pr_wstat = src->pr_wstat;
437 dst->pr_argc = src->pr_argc;
438 dst->pr_argv = src->pr_argv;
439 dst->pr_envp = src->pr_envp;
440 dst->pr_dmodel = src->pr_dmodel;
441
442 lwpsinfo_32_to_n(&src->pr_lwp, &dst->pr_lwp);
443 }
444
445 void
446 timestruc_n_to_32(const timestruc_t *src, timestruc32_t *dst)
447 {
448 dst->tv_sec = (time32_t)src->tv_sec;
449 dst->tv_nsec = (int32_t)src->tv_nsec;
450 }
451
452 void
453 stack_n_to_32(const stack_t *src, stack32_t *dst)
454 {
455 dst->ss_sp = (caddr32_t)(uintptr_t)src->ss_sp;
456 dst->ss_size = src->ss_size;
457 dst->ss_flags = src->ss_flags;
458 }
459
460 void
461 sigaction_n_to_32(const struct sigaction *src, struct sigaction32 *dst)
462 {
463 (void) memset(dst, 0, sizeof (struct sigaction32));
464 dst->sa_flags = src->sa_flags;
465 dst->sa_handler = (caddr32_t)(uintptr_t)src->sa_handler;
466 (void) memcpy(&dst->sa_mask, &src->sa_mask, sizeof (dst->sa_mask));
467 }
468
469 void
470 siginfo_n_to_32(const siginfo_t *src, siginfo32_t *dst)
471 {
472 (void) memset(dst, 0, sizeof (siginfo32_t));
473
474 /*
475 * The absolute minimum content is si_signo and si_code.
476 */
477 dst->si_signo = src->si_signo;
478 if ((dst->si_code = src->si_code) == SI_NOINFO)
479 return;
480
481 /*
482 * A siginfo generated by user level is structured
483 * differently from one generated by the kernel.
484 */
485 if (SI_FROMUSER(src)) {
486 dst->si_pid = src->si_pid;
487 dst->si_ctid = src->si_ctid;
488 dst->si_zoneid = src->si_zoneid;
489 dst->si_uid = src->si_uid;
490 if (SI_CANQUEUE(src->si_code)) {
491 dst->si_value.sival_int =
492 (int32_t)src->si_value.sival_int;
493 }
494 return;
495 }
496
497 dst->si_errno = src->si_errno;
498
499 switch (src->si_signo) {
500 default:
501 dst->si_pid = src->si_pid;
502 dst->si_ctid = src->si_ctid;
503 dst->si_zoneid = src->si_zoneid;
504 dst->si_uid = src->si_uid;
505 dst->si_value.sival_int =
506 (int32_t)src->si_value.sival_int;
507 break;
508 case SIGCLD:
509 dst->si_pid = src->si_pid;
510 dst->si_ctid = src->si_ctid;
511 dst->si_zoneid = src->si_zoneid;
512 dst->si_status = src->si_status;
513 dst->si_stime = src->si_stime;
514 dst->si_utime = src->si_utime;
515 break;
516 case SIGSEGV:
517 case SIGBUS:
518 case SIGILL:
519 case SIGTRAP:
520 case SIGFPE:
521 case SIGEMT:
522 dst->si_addr = (caddr32_t)(uintptr_t)src->si_addr;
523 dst->si_trapno = src->si_trapno;
524 dst->si_pc = (caddr32_t)(uintptr_t)src->si_pc;
525 break;
526 case SIGPOLL:
527 case SIGXFSZ:
528 dst->si_fd = src->si_fd;
529 dst->si_band = src->si_band;
530 break;
531 case SIGPROF:
532 dst->si_faddr = (caddr32_t)(uintptr_t)src->si_faddr;
533 dst->si_tstamp.tv_sec = src->si_tstamp.tv_sec;
534 dst->si_tstamp.tv_nsec = src->si_tstamp.tv_nsec;
535 dst->si_syscall = src->si_syscall;
536 dst->si_nsysarg = src->si_nsysarg;
537 dst->si_fault = src->si_fault;
538 break;
539 }
540 }
541
542 void
543 auxv_n_to_32(const auxv_t *src, auxv32_t *dst)
544 {
545 dst->a_type = src->a_type;
546 dst->a_un.a_ptr = (caddr32_t)(uintptr_t)src->a_un.a_ptr;
547 }
548
549 void
550 prgregset_n_to_32(const prgreg_t *src, prgreg32_t *dst)
551 {
552 #ifdef __amd64
553 (void) memset(dst, 0, NPRGREG32 * sizeof (prgreg32_t));
554 dst[GS] = src[REG_GS];
555 dst[FS] = src[REG_FS];
556 dst[DS] = src[REG_DS];
557 dst[ES] = src[REG_ES];
558 dst[EDI] = src[REG_RDI];
559 dst[ESI] = src[REG_RSI];
560 dst[EBP] = src[REG_RBP];
561 dst[EBX] = src[REG_RBX];
562 dst[EDX] = src[REG_RDX];
563 dst[ECX] = src[REG_RCX];
564 dst[EAX] = src[REG_RAX];
565 dst[TRAPNO] = src[REG_TRAPNO];
566 dst[ERR] = src[REG_ERR];
567 dst[EIP] = src[REG_RIP];
568 dst[CS] = src[REG_CS];
569 dst[EFL] = src[REG_RFL];
570 dst[UESP] = src[REG_RSP];
571 dst[SS] = src[REG_SS];
572 #else
573 int i;
574
575 for (i = 0; i < NPRGREG; i++)
576 dst[i] = (prgreg32_t)src[i];
577 #endif
578 }
579
580 void
581 prfpregset_n_to_32(const prfpregset_t *src, prfpregset32_t *dst)
582 {
583 #if defined(__sparc)
584 int i;
585
586 (void) memset(dst, 0, sizeof (prfpregset32_t));
587
588 for (i = 0; i < 32; i++)
589 dst->pr_fr.pr_regs[i] = src->pr_fr.pr_regs[i];
590
591 dst->pr_filler = src->pr_filler;
592 dst->pr_fsr = src->pr_fsr;
593 dst->pr_q_entrysize = src->pr_q_entrysize;
594 dst->pr_en = src->pr_en;
595
596 #elif defined(__amd64)
597
598 struct _fpstate32 *dst32 = (struct _fpstate32 *)dst;
599 struct _fpchip_state *src64 = (struct _fpchip_state *)src;
600 uint32_t top;
601 int i;
602
603 (void) memcpy(dst32->_st, src64->st, sizeof (dst32->_st));
604 (void) memcpy(dst32->xmm, src64->xmm, sizeof (dst32->xmm));
605 dst32->cw = src64->cw;
606 dst32->sw = src64->sw;
607 dst32->ipoff = (unsigned int)src64->rip;
608 dst32->cssel = 0;
609 dst32->dataoff = (unsigned int)src64->rdp;
610 dst32->datasel = 0;
611 dst32->status = src64->status;
612 dst32->mxcsr = src64->mxcsr;
613 dst32->xstatus = src64->xstatus;
614
615 /*
616 * AMD64 stores the tag in a compressed form. It is
617 * necessary to extract the original 2-bit tag value.
618 * See AMD64 Architecture Programmer's Manual Volume 2:
619 * System Programming, Chapter 11.
620 */
621
622 top = (src64->sw & FPS_TOP) >> 11;
623 dst32->tag = 0;
624 for (i = 0; i < 8; i++) {
625 /*
626 * Recall that we need to use the current TOP-of-stack value to
627 * associate the _st[] index back to a physical register number,
628 * since tag word indices are physical register numbers. Then
629 * to get the tag value, we shift over two bits for each tag
630 * index, and then grab the bottom two bits.
631 */
632 uint_t tag_index = (i + top) & 7;
633 uint_t tag_fctw = (src64->fctw >> tag_index) & 1;
634 uint_t tag_value;
635 uint_t exp;
636
637 /*
638 * Union for overlaying _fpreg structure on to quad-precision
639 * floating-point value (long double).
640 */
641 union {
642 struct _fpreg reg;
643 long double ld;
644 } fpru;
645
646 fpru.ld = src64->st[i].__fpr_pad._q;
647 exp = fpru.reg.exponent & 0x7fff;
648
649 if (tag_fctw == 0) {
650 tag_value = 3; /* empty */
651 } else if (exp == 0) {
652 if (fpru.reg.significand[0] == 0 &&
653 fpru.reg.significand[1] == 0 &&
654 fpru.reg.significand[2] == 0 &&
655 fpru.reg.significand[3] == 0)
656 tag_value = 1; /* zero */
657 else
658 tag_value = 2; /* special: denormal */
659 } else if (exp == 0x7fff) {
660 tag_value = 2; /* special: infinity or NaN */
661 } else if (fpru.reg.significand[3] & 0x8000) {
662 tag_value = 0; /* valid */
663 } else {
664 tag_value = 2; /* special: unnormal */
665 }
666 dst32->tag |= tag_value << (tag_index * 2);
667 }
668 #else
669 #error "unrecognized ISA"
670 #endif
671 }
672
673 void
674 lwpstatus_n_to_32(const lwpstatus_t *src, lwpstatus32_t *dst)
675 {
676 int i;
677
678 dst->pr_flags = src->pr_flags;
679 dst->pr_lwpid = src->pr_lwpid;
680 dst->pr_why = src->pr_why;
681 dst->pr_what = src->pr_what;
682 dst->pr_cursig = src->pr_cursig;
683
684 siginfo_n_to_32(&src->pr_info, &dst->pr_info);
685
686 dst->pr_lwppend = src->pr_lwppend;
687 dst->pr_lwphold = src->pr_lwphold;
688
689 sigaction_n_to_32(&src->pr_action, &dst->pr_action);
690 stack_n_to_32(&src->pr_altstack, &dst->pr_altstack);
691
692 dst->pr_oldcontext = (caddr32_t)src->pr_oldcontext;
693 dst->pr_syscall = src->pr_syscall;
694 dst->pr_nsysarg = src->pr_nsysarg;
695 dst->pr_errno = src->pr_errno;
696
697 for (i = 0; i < PRSYSARGS; i++)
698 dst->pr_sysarg[i] = (int32_t)src->pr_sysarg[i];
699
700 dst->pr_rval1 = (int32_t)src->pr_rval1;
701 dst->pr_rval2 = (int32_t)src->pr_rval2;
702
703 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ);
704 timestruc_n_to_32(&src->pr_tstamp, &dst->pr_tstamp);
705
706 dst->pr_ustack = (caddr32_t)src->pr_ustack;
707 dst->pr_instr = src->pr_instr;
708
709 prgregset_n_to_32(src->pr_reg, dst->pr_reg);
710 prfpregset_n_to_32(&src->pr_fpreg, &dst->pr_fpreg);
711 }
712
713 void
714 pstatus_n_to_32(const pstatus_t *src, pstatus32_t *dst)
715 {
716 dst->pr_flags = src->pr_flags;
717 dst->pr_nlwp = src->pr_nlwp;
718 dst->pr_nzomb = src->pr_nzomb;
719 dst->pr_pid = (pid32_t)src->pr_pid;
720 dst->pr_ppid = (pid32_t)src->pr_ppid;
721 dst->pr_pgid = (pid32_t)src->pr_pgid;
722 dst->pr_sid = (pid32_t)src->pr_sid;
723 dst->pr_taskid = (id32_t)src->pr_taskid;
724 dst->pr_projid = (id32_t)src->pr_projid;
725 dst->pr_zoneid = (id32_t)src->pr_zoneid;
726 dst->pr_aslwpid = (id32_t)src->pr_aslwpid;
727 dst->pr_agentid = (id32_t)src->pr_agentid;
728 dst->pr_sigpend = src->pr_sigpend;
729 dst->pr_brkbase = (caddr32_t)src->pr_brkbase;
730 dst->pr_brksize = (size32_t)src->pr_brksize;
731 dst->pr_stkbase = (caddr32_t)src->pr_stkbase;
732 dst->pr_stksize = (size32_t)src->pr_stksize;
733
734 timestruc_n_to_32(&src->pr_utime, &dst->pr_utime);
735 timestruc_n_to_32(&src->pr_stime, &dst->pr_stime);
736 timestruc_n_to_32(&src->pr_cutime, &dst->pr_cutime);
737 timestruc_n_to_32(&src->pr_cstime, &dst->pr_cstime);
738
739 dst->pr_sigtrace = src->pr_sigtrace;
740 dst->pr_flttrace = src->pr_flttrace;
741 dst->pr_sysentry = src->pr_sysentry;
742 dst->pr_sysexit = src->pr_sysexit;
743 dst->pr_dmodel = src->pr_dmodel;
744
745 lwpstatus_n_to_32(&src->pr_lwp, &dst->pr_lwp);
746 }
747
748 void
749 lwpsinfo_n_to_32(const lwpsinfo_t *src, lwpsinfo32_t *dst)
750 {
751 dst->pr_flag = src->pr_flag;
752 dst->pr_lwpid = (id32_t)src->pr_lwpid;
753 dst->pr_addr = (caddr32_t)src->pr_addr;
754 dst->pr_wchan = (caddr32_t)src->pr_wchan;
755 dst->pr_stype = src->pr_stype;
756 dst->pr_state = src->pr_state;
757 dst->pr_sname = src->pr_sname;
758 dst->pr_nice = src->pr_nice;
759 dst->pr_syscall = src->pr_syscall;
760 dst->pr_oldpri = src->pr_oldpri;
761 dst->pr_cpu = src->pr_cpu;
762 dst->pr_pri = src->pr_pri;
763 dst->pr_pctcpu = src->pr_pctcpu;
764
765 timestruc_n_to_32(&src->pr_start, &dst->pr_start);
766 timestruc_n_to_32(&src->pr_time, &dst->pr_time);
767
768 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ);
769 (void) memcpy(&dst->pr_name[0], &src->pr_name[0], PRFNSZ);
770
771 dst->pr_onpro = src->pr_onpro;
772 dst->pr_bindpro = src->pr_bindpro;
773 dst->pr_bindpset = src->pr_bindpset;
774 dst->pr_lgrp = src->pr_lgrp;
775 }
776
777 void
778 psinfo_n_to_32(const psinfo_t *src, psinfo32_t *dst)
779 {
780 dst->pr_flag = src->pr_flag;
781 dst->pr_nlwp = src->pr_nlwp;
782 dst->pr_nzomb = src->pr_nzomb;
783 dst->pr_pid = (pid32_t)src->pr_pid;
784 dst->pr_pgid = (pid32_t)src->pr_pgid;
785 dst->pr_sid = (pid32_t)src->pr_sid;
786 dst->pr_taskid = (id32_t)src->pr_taskid;
787 dst->pr_projid = (id32_t)src->pr_projid;
788 dst->pr_zoneid = (id32_t)src->pr_zoneid;
789 dst->pr_uid = (uid32_t)src->pr_uid;
790 dst->pr_euid = (uid32_t)src->pr_euid;
791 dst->pr_gid = (gid32_t)src->pr_gid;
792 dst->pr_egid = (gid32_t)src->pr_egid;
793 dst->pr_addr = (caddr32_t)src->pr_addr;
794 dst->pr_size = (size32_t)src->pr_size;
795 dst->pr_rssize = (size32_t)src->pr_rssize;
796
797 dst->pr_ttydev = prcmpldev(src->pr_ttydev);
798
799 dst->pr_pctcpu = src->pr_pctcpu;
800 dst->pr_pctmem = src->pr_pctmem;
801
802 timestruc_n_to_32(&src->pr_start, &dst->pr_start);
803 timestruc_n_to_32(&src->pr_time, &dst->pr_time);
804 timestruc_n_to_32(&src->pr_ctime, &dst->pr_ctime);
805
806 (void) memcpy(&dst->pr_fname[0], &src->pr_fname[0], PRFNSZ);
807 (void) memcpy(&dst->pr_psargs[0], &src->pr_psargs[0], PRARGSZ);
808
809 dst->pr_wstat = src->pr_wstat;
810 dst->pr_argc = src->pr_argc;
811 dst->pr_argv = (caddr32_t)src->pr_argv;
812 dst->pr_envp = (caddr32_t)src->pr_envp;
813 dst->pr_dmodel = src->pr_dmodel;
814
815 lwpsinfo_n_to_32(&src->pr_lwp, &dst->pr_lwp);
816 }
817
818
819 #endif /* _LP64 */
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