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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/types.h> 30 #include <sys/mkdev.h> 31 #include <sys/regset.h> 32 #include <string.h> 33 34 #if defined(__amd64) 35 #include <sys/fp.h> 36 #include <ieeefp.h> 37 #endif 38 39 #include "P32ton.h" 40 41 dev_t 42 prexpldev(dev32_t d) 43 { 44 if (d != (dev32_t)-1L) 45 return (makedev((d >> NBITSMINOR32) & MAXMAJ32, d & MAXMIN32)); 46 47 return ((dev_t)PRNODEV); 48 } 49 50 51 dev32_t 52 prcmpldev(dev_t d) 53 { 54 #ifdef _LP64 55 if (d == PRNODEV) { 56 return (PRNODEV32); 57 } else { 58 major_t maj = major(d); 59 minor_t min = minor(d); 60 61 if (maj == (major_t)PRNODEV || min == (minor_t)PRNODEV) 62 return (PRNODEV32); 63 64 return ((dev32_t)((maj << NBITSMINOR32) | min)); 65 } 66 #else 67 return ((dev32_t)d); 68 #endif 69 } 70 71 #ifdef _LP64 72 73 void 74 timestruc_32_to_n(const timestruc32_t *src, timestruc_t *dst) 75 { 76 dst->tv_sec = (time_t)(uint32_t)src->tv_sec; 77 dst->tv_nsec = (long)(uint32_t)src->tv_nsec; 78 } 79 80 void 81 stack_32_to_n(const stack32_t *src, stack_t *dst) 82 { 83 dst->ss_sp = (caddr_t)(uintptr_t)src->ss_sp; 84 dst->ss_size = src->ss_size; 85 dst->ss_flags = src->ss_flags; 86 } 87 88 void 89 sigaction_32_to_n(const struct sigaction32 *src, struct sigaction *dst) 90 { 91 (void) memset(dst, 0, sizeof (struct sigaction)); 92 dst->sa_flags = src->sa_flags; 93 dst->sa_handler = (void (*)())(uintptr_t)src->sa_handler; 94 (void) memcpy(&dst->sa_mask, &src->sa_mask, sizeof (dst->sa_mask)); 95 } 96 97 void 98 siginfo_32_to_n(const siginfo32_t *src, siginfo_t *dst) 99 { 100 (void) memset(dst, 0, sizeof (siginfo_t)); 101 102 /* 103 * The absolute minimum content is si_signo and si_code. 104 */ 105 dst->si_signo = src->si_signo; 106 if ((dst->si_code = src->si_code) == SI_NOINFO) 107 return; 108 109 /* 110 * A siginfo generated by user level is structured 111 * differently from one generated by the kernel. 112 */ 113 if (SI_FROMUSER(src)) { 114 dst->si_pid = src->si_pid; 115 dst->si_ctid = src->si_ctid; 116 dst->si_zoneid = src->si_zoneid; 117 dst->si_uid = src->si_uid; 118 if (SI_CANQUEUE(src->si_code)) { 119 dst->si_value.sival_int = 120 (long)(uint32_t)src->si_value.sival_int; 121 } 122 return; 123 } 124 125 dst->si_errno = src->si_errno; 126 127 switch (src->si_signo) { 128 default: 129 dst->si_pid = src->si_pid; 130 dst->si_ctid = src->si_ctid; 131 dst->si_zoneid = src->si_zoneid; 132 dst->si_uid = src->si_uid; 133 dst->si_value.sival_int = 134 (long)(uint32_t)src->si_value.sival_int; 135 break; 136 case SIGCLD: 137 dst->si_pid = src->si_pid; 138 dst->si_ctid = src->si_ctid; 139 dst->si_zoneid = src->si_zoneid; 140 dst->si_status = src->si_status; 141 dst->si_stime = src->si_stime; 142 dst->si_utime = src->si_utime; 143 break; 144 case SIGSEGV: 145 case SIGBUS: 146 case SIGILL: 147 case SIGTRAP: 148 case SIGFPE: 149 case SIGEMT: 150 dst->si_addr = (void *)(uintptr_t)src->si_addr; 151 dst->si_trapno = src->si_trapno; 152 dst->si_pc = (void *)(uintptr_t)src->si_pc; 153 break; 154 case SIGPOLL: 155 case SIGXFSZ: 156 dst->si_fd = src->si_fd; 157 dst->si_band = src->si_band; 158 break; 159 case SIGPROF: 160 dst->si_faddr = (void *)(uintptr_t)src->si_faddr; 161 dst->si_tstamp.tv_sec = src->si_tstamp.tv_sec; 162 dst->si_tstamp.tv_nsec = src->si_tstamp.tv_nsec; 163 dst->si_syscall = src->si_syscall; 164 dst->si_nsysarg = src->si_nsysarg; 165 dst->si_fault = src->si_fault; 166 break; 167 } 168 } 169 170 void 171 auxv_32_to_n(const auxv32_t *src, auxv_t *dst) 172 { 173 /* 174 * This is a little sketchy: we have three types of values stored 175 * in an auxv (long, void *, and void (*)()) so the only sign-extension 176 * issue is with the long. We could case on all possible AT_* types, 177 * but this seems silly since currently none of the types which use 178 * a_un.a_val actually use negative numbers as a value. For this 179 * reason, it seems simpler to just do an unsigned expansion for now. 180 */ 181 dst->a_type = src->a_type; 182 dst->a_un.a_ptr = (void *)(uintptr_t)src->a_un.a_ptr; 183 } 184 185 #if defined(__sparc) 186 void 187 rwindow_32_to_n(const struct rwindow32 *src, struct rwindow *dst) 188 { 189 int i; 190 191 for (i = 0; i < 8; i++) { 192 dst->rw_local[i] = (uint64_t)(uint32_t)src->rw_local[i]; 193 dst->rw_in[i] = (uint64_t)(uint32_t)src->rw_in[i]; 194 } 195 } 196 197 void 198 gwindows_32_to_n(const gwindows32_t *src, gwindows_t *dst) 199 { 200 int i; 201 202 (void) memset(dst, 0, sizeof (gwindows_t)); 203 dst->wbcnt = src->wbcnt; 204 205 for (i = 0; i < src->wbcnt; i++) { 206 if (src->spbuf[i] != 0) { 207 rwindow_32_to_n(&src->wbuf[i], &dst->wbuf[i]); 208 dst->spbuf[i] = (greg_t *)(uintptr_t)src->spbuf[i]; 209 } 210 } 211 } 212 #endif /* __sparc */ 213 214 void 215 prgregset_32_to_n(const prgreg32_t *src, prgreg_t *dst) 216 { 217 #ifdef __amd64 218 (void) memset(dst, 0, NPRGREG * sizeof (prgreg_t)); 219 dst[REG_GS] = (uint32_t)src[GS]; 220 dst[REG_FS] = (uint32_t)src[FS]; 221 dst[REG_DS] = (uint32_t)src[DS]; 222 dst[REG_ES] = (uint32_t)src[ES]; 223 dst[REG_RDI] = (uint32_t)src[EDI]; 224 dst[REG_RSI] = (uint32_t)src[ESI]; 225 dst[REG_RBP] = (uint32_t)src[EBP]; 226 dst[REG_RBX] = (uint32_t)src[EBX]; 227 dst[REG_RDX] = (uint32_t)src[EDX]; 228 dst[REG_RCX] = (uint32_t)src[ECX]; 229 dst[REG_RAX] = (uint32_t)src[EAX]; 230 dst[REG_TRAPNO] = (uint32_t)src[TRAPNO]; 231 dst[REG_ERR] = (uint32_t)src[ERR]; 232 dst[REG_RIP] = (uint32_t)src[EIP]; 233 dst[REG_CS] = (uint32_t)src[CS]; 234 dst[REG_RFL] = (uint32_t)src[EFL]; 235 dst[REG_RSP] = (uint32_t)src[UESP]; 236 dst[REG_SS] = (uint32_t)src[SS]; 237 #else 238 int i; 239 240 for (i = 0; i < NPRGREG; i++) 241 dst[i] = (prgreg_t)(uint32_t)src[i]; 242 #endif 243 } 244 245 void 246 prfpregset_32_to_n(const prfpregset32_t *src, prfpregset_t *dst) 247 { 248 #if defined(__sparc) 249 int i; 250 251 (void) memset(dst, 0, sizeof (prfpregset_t)); 252 253 for (i = 0; i < 32; i++) 254 dst->pr_fr.pr_regs[i] = src->pr_fr.pr_regs[i]; 255 256 /* 257 * We deliberately do not convert pr_qcnt or pr_q because it is a long- 258 * standing /proc bug that this information is not exported, and another 259 * bug further caused these values to be returned as uninitialized data 260 * when the 64-bit kernel exported them for a 32-bit process with en=0. 261 */ 262 dst->pr_filler = src->pr_filler; 263 dst->pr_fsr = src->pr_fsr; 264 dst->pr_q_entrysize = src->pr_q_entrysize; 265 dst->pr_en = src->pr_en; 266 267 #elif defined(__amd64) 268 269 struct _fpstate32 *src32 = (struct _fpstate32 *)src; 270 struct fpchip_state *dst64 = (struct fpchip_state *)dst; 271 int i; 272 273 (void) memcpy(dst64->st, src32->_st, sizeof (src32->_st)); 274 (void) memcpy(dst64->xmm, src32->xmm, sizeof (src32->xmm)); 275 (void) memset((caddr_t)dst64->xmm + sizeof (src32->xmm), 0, 276 sizeof (dst64->xmm) - sizeof (src32->xmm)); 277 dst64->cw = (uint16_t)src32->cw; 278 dst64->sw = (uint16_t)src32->sw; 279 dst64->fop = 0; 280 dst64->rip = src32->ipoff; 281 dst64->rdp = src32->dataoff; 282 dst64->mxcsr = src32->mxcsr; 283 dst64->mxcsr_mask = 0; 284 dst64->status = src32->status; 285 dst64->xstatus = src32->xstatus; 286 287 /* 288 * Converting from the tag field to the compressed fctw is easy. 289 * If the two tag bits are 3, then the register is empty and we 290 * clear the bit in fctw. Otherwise we set the bit. 291 */ 292 293 dst64->fctw = 0; 294 for (i = 0; i < 8; i++) 295 if (((src32->tag >> (i * 2)) & 3) != 3) 296 dst64->fctw |= 1 << i; 297 #else 298 #error "unrecognized ISA" 299 #endif 300 } 301 302 void 303 lwpstatus_32_to_n(const lwpstatus32_t *src, lwpstatus_t *dst) 304 { 305 int i; 306 307 dst->pr_flags = src->pr_flags; 308 dst->pr_lwpid = src->pr_lwpid; 309 dst->pr_why = src->pr_why; 310 dst->pr_what = src->pr_what; 311 dst->pr_cursig = src->pr_cursig; 312 313 siginfo_32_to_n(&src->pr_info, &dst->pr_info); 314 315 dst->pr_lwppend = src->pr_lwppend; 316 dst->pr_lwphold = src->pr_lwphold; 317 318 sigaction_32_to_n(&src->pr_action, &dst->pr_action); 319 stack_32_to_n(&src->pr_altstack, &dst->pr_altstack); 320 321 dst->pr_oldcontext = src->pr_oldcontext; 322 dst->pr_syscall = src->pr_syscall; 323 dst->pr_nsysarg = src->pr_nsysarg; 324 dst->pr_errno = src->pr_errno; 325 326 for (i = 0; i < PRSYSARGS; i++) 327 dst->pr_sysarg[i] = (long)(uint32_t)src->pr_sysarg[i]; 328 329 dst->pr_rval1 = (long)(uint32_t)src->pr_rval1; 330 dst->pr_rval2 = (long)(uint32_t)src->pr_rval2; 331 332 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ); 333 timestruc_32_to_n(&src->pr_tstamp, &dst->pr_tstamp); 334 335 dst->pr_ustack = src->pr_ustack; 336 dst->pr_instr = src->pr_instr; 337 338 prgregset_32_to_n(src->pr_reg, dst->pr_reg); 339 prfpregset_32_to_n(&src->pr_fpreg, &dst->pr_fpreg); 340 } 341 342 void 343 pstatus_32_to_n(const pstatus32_t *src, pstatus_t *dst) 344 { 345 dst->pr_flags = src->pr_flags; 346 dst->pr_nlwp = src->pr_nlwp; 347 dst->pr_nzomb = src->pr_nzomb; 348 dst->pr_pid = src->pr_pid; 349 dst->pr_ppid = src->pr_ppid; 350 dst->pr_pgid = src->pr_pgid; 351 dst->pr_sid = src->pr_sid; 352 dst->pr_taskid = src->pr_taskid; 353 dst->pr_projid = src->pr_projid; 354 dst->pr_zoneid = src->pr_zoneid; 355 dst->pr_aslwpid = src->pr_aslwpid; 356 dst->pr_agentid = src->pr_agentid; 357 dst->pr_sigpend = src->pr_sigpend; 358 dst->pr_brkbase = src->pr_brkbase; 359 dst->pr_brksize = src->pr_brksize; 360 dst->pr_stkbase = src->pr_stkbase; 361 dst->pr_stksize = src->pr_stksize; 362 363 timestruc_32_to_n(&src->pr_utime, &dst->pr_utime); 364 timestruc_32_to_n(&src->pr_stime, &dst->pr_stime); 365 timestruc_32_to_n(&src->pr_cutime, &dst->pr_cutime); 366 timestruc_32_to_n(&src->pr_cstime, &dst->pr_cstime); 367 368 dst->pr_sigtrace = src->pr_sigtrace; 369 dst->pr_flttrace = src->pr_flttrace; 370 dst->pr_sysentry = src->pr_sysentry; 371 dst->pr_sysexit = src->pr_sysexit; 372 dst->pr_dmodel = src->pr_dmodel; 373 374 lwpstatus_32_to_n(&src->pr_lwp, &dst->pr_lwp); 375 } 376 377 void 378 lwpsinfo_32_to_n(const lwpsinfo32_t *src, lwpsinfo_t *dst) 379 { 380 dst->pr_flag = src->pr_flag; 381 dst->pr_lwpid = src->pr_lwpid; 382 dst->pr_addr = src->pr_addr; 383 dst->pr_wchan = src->pr_wchan; 384 dst->pr_stype = src->pr_stype; 385 dst->pr_state = src->pr_state; 386 dst->pr_sname = src->pr_sname; 387 dst->pr_nice = src->pr_nice; 388 dst->pr_syscall = src->pr_syscall; 389 dst->pr_oldpri = src->pr_oldpri; 390 dst->pr_cpu = src->pr_cpu; 391 dst->pr_pri = src->pr_pri; 392 dst->pr_pctcpu = src->pr_pctcpu; 393 394 timestruc_32_to_n(&src->pr_start, &dst->pr_start); 395 timestruc_32_to_n(&src->pr_time, &dst->pr_time); 396 397 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ); 398 (void) memcpy(&dst->pr_name[0], &src->pr_name[0], PRFNSZ); 399 400 dst->pr_onpro = src->pr_onpro; 401 dst->pr_bindpro = src->pr_bindpro; 402 dst->pr_bindpset = src->pr_bindpset; 403 dst->pr_lgrp = src->pr_lgrp; 404 } 405 406 void 407 psinfo_32_to_n(const psinfo32_t *src, psinfo_t *dst) 408 { 409 dst->pr_flag = src->pr_flag; 410 dst->pr_nlwp = src->pr_nlwp; 411 dst->pr_nzomb = src->pr_nzomb; 412 dst->pr_pid = src->pr_pid; 413 dst->pr_pgid = src->pr_pgid; 414 dst->pr_sid = src->pr_sid; 415 dst->pr_taskid = src->pr_taskid; 416 dst->pr_projid = src->pr_projid; 417 dst->pr_zoneid = src->pr_zoneid; 418 dst->pr_uid = src->pr_uid; 419 dst->pr_euid = src->pr_euid; 420 dst->pr_gid = src->pr_gid; 421 dst->pr_egid = src->pr_egid; 422 dst->pr_addr = src->pr_addr; 423 dst->pr_size = src->pr_size; 424 dst->pr_rssize = src->pr_rssize; 425 426 dst->pr_ttydev = prexpldev(src->pr_ttydev); 427 428 dst->pr_pctcpu = src->pr_pctcpu; 429 dst->pr_pctmem = src->pr_pctmem; 430 431 timestruc_32_to_n(&src->pr_start, &dst->pr_start); 432 timestruc_32_to_n(&src->pr_time, &dst->pr_time); 433 timestruc_32_to_n(&src->pr_ctime, &dst->pr_ctime); 434 435 (void) memcpy(&dst->pr_fname[0], &src->pr_fname[0], PRFNSZ); 436 (void) memcpy(&dst->pr_psargs[0], &src->pr_psargs[0], PRARGSZ); 437 438 dst->pr_wstat = src->pr_wstat; 439 dst->pr_argc = src->pr_argc; 440 dst->pr_argv = src->pr_argv; 441 dst->pr_envp = src->pr_envp; 442 dst->pr_dmodel = src->pr_dmodel; 443 444 lwpsinfo_32_to_n(&src->pr_lwp, &dst->pr_lwp); 445 } 446 447 void 448 timestruc_n_to_32(const timestruc_t *src, timestruc32_t *dst) 449 { 450 dst->tv_sec = (time32_t)src->tv_sec; 451 dst->tv_nsec = (int32_t)src->tv_nsec; 452 } 453 454 void 455 stack_n_to_32(const stack_t *src, stack32_t *dst) 456 { 457 dst->ss_sp = (caddr32_t)(uintptr_t)src->ss_sp; 458 dst->ss_size = src->ss_size; 459 dst->ss_flags = src->ss_flags; 460 } 461 462 void 463 sigaction_n_to_32(const struct sigaction *src, struct sigaction32 *dst) 464 { 465 (void) memset(dst, 0, sizeof (struct sigaction32)); 466 dst->sa_flags = src->sa_flags; 467 dst->sa_handler = (caddr32_t)(uintptr_t)src->sa_handler; 468 (void) memcpy(&dst->sa_mask, &src->sa_mask, sizeof (dst->sa_mask)); 469 } 470 471 void 472 siginfo_n_to_32(const siginfo_t *src, siginfo32_t *dst) 473 { 474 (void) memset(dst, 0, sizeof (siginfo32_t)); 475 476 /* 477 * The absolute minimum content is si_signo and si_code. 478 */ 479 dst->si_signo = src->si_signo; 480 if ((dst->si_code = src->si_code) == SI_NOINFO) 481 return; 482 483 /* 484 * A siginfo generated by user level is structured 485 * differently from one generated by the kernel. 486 */ 487 if (SI_FROMUSER(src)) { 488 dst->si_pid = src->si_pid; 489 dst->si_ctid = src->si_ctid; 490 dst->si_zoneid = src->si_zoneid; 491 dst->si_uid = src->si_uid; 492 if (SI_CANQUEUE(src->si_code)) { 493 dst->si_value.sival_int = 494 (int32_t)src->si_value.sival_int; 495 } 496 return; 497 } 498 499 dst->si_errno = src->si_errno; 500 501 switch (src->si_signo) { 502 default: 503 dst->si_pid = src->si_pid; 504 dst->si_ctid = src->si_ctid; 505 dst->si_zoneid = src->si_zoneid; 506 dst->si_uid = src->si_uid; 507 dst->si_value.sival_int = 508 (int32_t)src->si_value.sival_int; 509 break; 510 case SIGCLD: 511 dst->si_pid = src->si_pid; 512 dst->si_ctid = src->si_ctid; 513 dst->si_zoneid = src->si_zoneid; 514 dst->si_status = src->si_status; 515 dst->si_stime = src->si_stime; 516 dst->si_utime = src->si_utime; 517 break; 518 case SIGSEGV: 519 case SIGBUS: 520 case SIGILL: 521 case SIGTRAP: 522 case SIGFPE: 523 case SIGEMT: 524 dst->si_addr = (caddr32_t)(uintptr_t)src->si_addr; 525 dst->si_trapno = src->si_trapno; 526 dst->si_pc = (caddr32_t)(uintptr_t)src->si_pc; 527 break; 528 case SIGPOLL: 529 case SIGXFSZ: 530 dst->si_fd = src->si_fd; 531 dst->si_band = src->si_band; 532 break; 533 case SIGPROF: 534 dst->si_faddr = (caddr32_t)(uintptr_t)src->si_faddr; 535 dst->si_tstamp.tv_sec = src->si_tstamp.tv_sec; 536 dst->si_tstamp.tv_nsec = src->si_tstamp.tv_nsec; 537 dst->si_syscall = src->si_syscall; 538 dst->si_nsysarg = src->si_nsysarg; 539 dst->si_fault = src->si_fault; 540 break; 541 } 542 } 543 544 void 545 auxv_n_to_32(const auxv_t *src, auxv32_t *dst) 546 { 547 dst->a_type = src->a_type; 548 dst->a_un.a_ptr = (caddr32_t)(uintptr_t)src->a_un.a_ptr; 549 } 550 551 void 552 prgregset_n_to_32(const prgreg_t *src, prgreg32_t *dst) 553 { 554 #ifdef __amd64 555 (void) memset(dst, 0, NPRGREG32 * sizeof (prgreg32_t)); 556 dst[GS] = src[REG_GS]; 557 dst[FS] = src[REG_FS]; 558 dst[DS] = src[REG_DS]; 559 dst[ES] = src[REG_ES]; 560 dst[EDI] = src[REG_RDI]; 561 dst[ESI] = src[REG_RSI]; 562 dst[EBP] = src[REG_RBP]; 563 dst[EBX] = src[REG_RBX]; 564 dst[EDX] = src[REG_RDX]; 565 dst[ECX] = src[REG_RCX]; 566 dst[EAX] = src[REG_RAX]; 567 dst[TRAPNO] = src[REG_TRAPNO]; 568 dst[ERR] = src[REG_ERR]; 569 dst[EIP] = src[REG_RIP]; 570 dst[CS] = src[REG_CS]; 571 dst[EFL] = src[REG_RFL]; 572 dst[UESP] = src[REG_RSP]; 573 dst[SS] = src[REG_SS]; 574 #else 575 int i; 576 577 for (i = 0; i < NPRGREG; i++) 578 dst[i] = (prgreg32_t)src[i]; 579 #endif 580 } 581 582 void 583 prfpregset_n_to_32(const prfpregset_t *src, prfpregset32_t *dst) 584 { 585 #if defined(__sparc) 586 int i; 587 588 (void) memset(dst, 0, sizeof (prfpregset32_t)); 589 590 for (i = 0; i < 32; i++) 591 dst->pr_fr.pr_regs[i] = src->pr_fr.pr_regs[i]; 592 593 dst->pr_filler = src->pr_filler; 594 dst->pr_fsr = src->pr_fsr; 595 dst->pr_q_entrysize = src->pr_q_entrysize; 596 dst->pr_en = src->pr_en; 597 598 #elif defined(__amd64) 599 600 struct _fpstate32 *dst32 = (struct _fpstate32 *)dst; 601 struct fpchip_state *src64 = (struct fpchip_state *)src; 602 uint32_t top; 603 int i; 604 605 (void) memcpy(dst32->_st, src64->st, sizeof (dst32->_st)); 606 (void) memcpy(dst32->xmm, src64->xmm, sizeof (dst32->xmm)); 607 dst32->cw = src64->cw; 608 dst32->sw = src64->sw; 609 dst32->ipoff = (unsigned int)src64->rip; 610 dst32->cssel = 0; 611 dst32->dataoff = (unsigned int)src64->rdp; 612 dst32->datasel = 0; 613 dst32->status = src64->status; 614 dst32->mxcsr = src64->mxcsr; 615 dst32->xstatus = src64->xstatus; 616 617 /* 618 * AMD64 stores the tag in a compressed form. It is 619 * necessary to extract the original 2-bit tag value. 620 * See AMD64 Architecture Programmer's Manual Volume 2: 621 * System Programming, Chapter 11. 622 */ 623 624 top = (src64->sw & FPS_TOP) >> 11; 625 dst32->tag = 0; 626 for (i = 0; i < 8; i++) { 627 /* 628 * Recall that we need to use the current TOP-of-stack value to 629 * associate the _st[] index back to a physical register number, 630 * since tag word indices are physical register numbers. Then 631 * to get the tag value, we shift over two bits for each tag 632 * index, and then grab the bottom two bits. 633 */ 634 uint_t tag_index = (i + top) & 7; 635 uint_t tag_fctw = (src64->fctw >> tag_index) & 1; 636 uint_t tag_value; 637 uint_t exp; 638 639 /* 640 * Union for overlaying _fpreg structure on to quad-precision 641 * floating-point value (long double). 642 */ 643 union { 644 struct _fpreg reg; 645 long double ld; 646 } fpru; 647 648 fpru.ld = src64->st[i].__fpr_pad._q; 649 exp = fpru.reg.exponent & 0x7fff; 650 651 if (tag_fctw == 0) { 652 tag_value = 3; /* empty */ 653 } else if (exp == 0) { 654 if (fpru.reg.significand[0] == 0 && 655 fpru.reg.significand[1] == 0 && 656 fpru.reg.significand[2] == 0 && 657 fpru.reg.significand[3] == 0) 658 tag_value = 1; /* zero */ 659 else 660 tag_value = 2; /* special: denormal */ 661 } else if (exp == 0x7fff) { 662 tag_value = 2; /* special: infinity or NaN */ 663 } else if (fpru.reg.significand[3] & 0x8000) { 664 tag_value = 0; /* valid */ 665 } else { 666 tag_value = 2; /* special: unnormal */ 667 } 668 dst32->tag |= tag_value << (tag_index * 2); 669 } 670 #else 671 #error "unrecognized ISA" 672 #endif 673 } 674 675 void 676 lwpstatus_n_to_32(const lwpstatus_t *src, lwpstatus32_t *dst) 677 { 678 int i; 679 680 dst->pr_flags = src->pr_flags; 681 dst->pr_lwpid = src->pr_lwpid; 682 dst->pr_why = src->pr_why; 683 dst->pr_what = src->pr_what; 684 dst->pr_cursig = src->pr_cursig; 685 686 siginfo_n_to_32(&src->pr_info, &dst->pr_info); 687 688 dst->pr_lwppend = src->pr_lwppend; 689 dst->pr_lwphold = src->pr_lwphold; 690 691 sigaction_n_to_32(&src->pr_action, &dst->pr_action); 692 stack_n_to_32(&src->pr_altstack, &dst->pr_altstack); 693 694 dst->pr_oldcontext = (caddr32_t)src->pr_oldcontext; 695 dst->pr_syscall = src->pr_syscall; 696 dst->pr_nsysarg = src->pr_nsysarg; 697 dst->pr_errno = src->pr_errno; 698 699 for (i = 0; i < PRSYSARGS; i++) 700 dst->pr_sysarg[i] = (int32_t)src->pr_sysarg[i]; 701 702 dst->pr_rval1 = (int32_t)src->pr_rval1; 703 dst->pr_rval2 = (int32_t)src->pr_rval2; 704 705 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ); 706 timestruc_n_to_32(&src->pr_tstamp, &dst->pr_tstamp); 707 708 dst->pr_ustack = (caddr32_t)src->pr_ustack; 709 dst->pr_instr = src->pr_instr; 710 711 prgregset_n_to_32(src->pr_reg, dst->pr_reg); 712 prfpregset_n_to_32(&src->pr_fpreg, &dst->pr_fpreg); 713 } 714 715 void 716 pstatus_n_to_32(const pstatus_t *src, pstatus32_t *dst) 717 { 718 dst->pr_flags = src->pr_flags; 719 dst->pr_nlwp = src->pr_nlwp; 720 dst->pr_nzomb = src->pr_nzomb; 721 dst->pr_pid = (pid32_t)src->pr_pid; 722 dst->pr_ppid = (pid32_t)src->pr_ppid; 723 dst->pr_pgid = (pid32_t)src->pr_pgid; 724 dst->pr_sid = (pid32_t)src->pr_sid; 725 dst->pr_taskid = (id32_t)src->pr_taskid; 726 dst->pr_projid = (id32_t)src->pr_projid; 727 dst->pr_zoneid = (id32_t)src->pr_zoneid; 728 dst->pr_aslwpid = (id32_t)src->pr_aslwpid; 729 dst->pr_agentid = (id32_t)src->pr_agentid; 730 dst->pr_sigpend = src->pr_sigpend; 731 dst->pr_brkbase = (caddr32_t)src->pr_brkbase; 732 dst->pr_brksize = (size32_t)src->pr_brksize; 733 dst->pr_stkbase = (caddr32_t)src->pr_stkbase; 734 dst->pr_stksize = (size32_t)src->pr_stksize; 735 736 timestruc_n_to_32(&src->pr_utime, &dst->pr_utime); 737 timestruc_n_to_32(&src->pr_stime, &dst->pr_stime); 738 timestruc_n_to_32(&src->pr_cutime, &dst->pr_cutime); 739 timestruc_n_to_32(&src->pr_cstime, &dst->pr_cstime); 740 741 dst->pr_sigtrace = src->pr_sigtrace; 742 dst->pr_flttrace = src->pr_flttrace; 743 dst->pr_sysentry = src->pr_sysentry; 744 dst->pr_sysexit = src->pr_sysexit; 745 dst->pr_dmodel = src->pr_dmodel; 746 747 lwpstatus_n_to_32(&src->pr_lwp, &dst->pr_lwp); 748 } 749 750 void 751 lwpsinfo_n_to_32(const lwpsinfo_t *src, lwpsinfo32_t *dst) 752 { 753 dst->pr_flag = src->pr_flag; 754 dst->pr_lwpid = (id32_t)src->pr_lwpid; 755 dst->pr_addr = (caddr32_t)src->pr_addr; 756 dst->pr_wchan = (caddr32_t)src->pr_wchan; 757 dst->pr_stype = src->pr_stype; 758 dst->pr_state = src->pr_state; 759 dst->pr_sname = src->pr_sname; 760 dst->pr_nice = src->pr_nice; 761 dst->pr_syscall = src->pr_syscall; 762 dst->pr_oldpri = src->pr_oldpri; 763 dst->pr_cpu = src->pr_cpu; 764 dst->pr_pri = src->pr_pri; 765 dst->pr_pctcpu = src->pr_pctcpu; 766 767 timestruc_n_to_32(&src->pr_start, &dst->pr_start); 768 timestruc_n_to_32(&src->pr_time, &dst->pr_time); 769 770 (void) memcpy(&dst->pr_clname[0], &src->pr_clname[0], PRCLSZ); 771 (void) memcpy(&dst->pr_name[0], &src->pr_name[0], PRFNSZ); 772 773 dst->pr_onpro = src->pr_onpro; 774 dst->pr_bindpro = src->pr_bindpro; 775 dst->pr_bindpset = src->pr_bindpset; 776 dst->pr_lgrp = src->pr_lgrp; 777 } 778 779 void 780 psinfo_n_to_32(const psinfo_t *src, psinfo32_t *dst) 781 { 782 dst->pr_flag = src->pr_flag; 783 dst->pr_nlwp = src->pr_nlwp; 784 dst->pr_nzomb = src->pr_nzomb; 785 dst->pr_pid = (pid32_t)src->pr_pid; 786 dst->pr_pgid = (pid32_t)src->pr_pgid; 787 dst->pr_sid = (pid32_t)src->pr_sid; 788 dst->pr_taskid = (id32_t)src->pr_taskid; 789 dst->pr_projid = (id32_t)src->pr_projid; 790 dst->pr_zoneid = (id32_t)src->pr_zoneid; 791 dst->pr_uid = (uid32_t)src->pr_uid; 792 dst->pr_euid = (uid32_t)src->pr_euid; 793 dst->pr_gid = (gid32_t)src->pr_gid; 794 dst->pr_egid = (gid32_t)src->pr_egid; 795 dst->pr_addr = (caddr32_t)src->pr_addr; 796 dst->pr_size = (size32_t)src->pr_size; 797 dst->pr_rssize = (size32_t)src->pr_rssize; 798 799 dst->pr_ttydev = prcmpldev(src->pr_ttydev); 800 801 dst->pr_pctcpu = src->pr_pctcpu; 802 dst->pr_pctmem = src->pr_pctmem; 803 804 timestruc_n_to_32(&src->pr_start, &dst->pr_start); 805 timestruc_n_to_32(&src->pr_time, &dst->pr_time); 806 timestruc_n_to_32(&src->pr_ctime, &dst->pr_ctime); 807 808 (void) memcpy(&dst->pr_fname[0], &src->pr_fname[0], PRFNSZ); 809 (void) memcpy(&dst->pr_psargs[0], &src->pr_psargs[0], PRARGSZ); 810 811 dst->pr_wstat = src->pr_wstat; 812 dst->pr_argc = src->pr_argc; 813 dst->pr_argv = (caddr32_t)src->pr_argv; 814 dst->pr_envp = (caddr32_t)src->pr_envp; 815 dst->pr_dmodel = src->pr_dmodel; 816 817 lwpsinfo_n_to_32(&src->pr_lwp, &dst->pr_lwp); 818 } 819 820 821 #endif /* _LP64 */ 822
Indexes created Fri Nov 27 04:12:29 UTC 2009
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