sim/ppc/emul_netbsd.c

   1 /*  This file is part of the program psim.
   2
   3     Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au>
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18
  19     */
  20
  21
  22 #ifndef _EMUL_NETBSD_C_
  23 #define _EMUL_NETBSD_C_
  24
  25
  26 /* Note: this module is called via a table.  There is no benefit in
  27    making it inline */
  28
  29 #include "emul_generic.h"
  30 #include "emul_netbsd.h"
  31
  32 #ifdef HAVE_STRING_H
  33 #include <string.h>
  34 #else
  35 #ifdef HAVE_STRINGS_H
  36 #include <strings.h>
  37 #endif
  38 #endif
  39
  40 #include <sys/types.h>
  41 #include <sys/stat.h>
  42 #include <stdio.h>
  43 #include <signal.h>
  44 #include <fcntl.h>
  45 #include <sys/errno.h>
  46 #include <sys/param.h>
  47 #include <sys/time.h>
  48
  49 #ifdef HAVE_GETRUSAGE
  50 #ifndef HAVE_SYS_RESOURCE_H
  51 #undef HAVE_GETRUSAGE
  52 #endif
  53 #endif
  54
  55 #ifdef HAVE_GETRUSAGE
  56 #include <sys/resource.h>
  57 int getrusage();
  58 #endif
  59
  60 #if HAVE_SYS_IOCTL_H
  61 #include <sys/ioctl.h>
  62 #endif
  63
  64 #if HAVE_DIRENT_H
  65 # include <dirent.h>
  66 # define NAMLEN(dirent) strlen((dirent)->d_name)
  67 #else
  68 # define dirent direct
  69 # define NAMLEN(dirent) (dirent)->d_namlen
  70 # if HAVE_SYS_NDIR_H
  71 #  include <sys/ndir.h>
  72 # endif
  73 # if HAVE_SYS_DIR_H
  74 #  include <sys/dir.h>
  75 # endif
  76 # if HAVE_NDIR_H
  77 #  include <ndir.h>
  78 # endif
  79 #endif
  80
  81 #ifdef HAVE_UNISTD_H
  82 #undef MAXPATHLEN               /* sys/param.h might define this also */
  83 #include <unistd.h>
  84 #endif
  85
  86 #ifdef HAVE_STDLIB_H
  87 #include <stdlib.h>
  88 #endif
  89
  90 #define WITH_NetBSD_HOST (NetBSD >= 199306)
  91 #if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
  92 #include <sys/syscall.h> /* FIXME - should not be including this one */
  93 #include <sys/sysctl.h>
  94 extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
  95 #else
  96
  97 /* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
  98 #undef HAVE_FSTATFS
  99 #undef HAVE_GETDIRENTRIES
 100 #endif
 101
 102 #if (BSD < 199306) /* here BSD as just a bug */
 103 extern int errno;
 104 #endif
 105
 106 #ifndef STATIC_INLINE_EMUL_NETBSD
 107 #define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
 108 #endif
 109
 110
 111 #if WITH_NetBSD_HOST
 112 #define SYS(X) ASSERT(call == (SYS_##X))
 113 #else
 114 #define SYS(X)
 115 #endif
 116
 117 #if WITH_NetBSD_HOST && (PATH_MAX != 1024)
 118 #error "PATH_MAX not 1024"
 119 #elif !defined(PATH_MAX)
 120 #define PATH_MAX 1024
 121 #endif
 122
 123
 124 /* EMULATION
 125
 126    NetBSD - Emulation of user programs for NetBSD/PPC
 127
 128    DESCRIPTION
 129
 130    */
 131
 132
 133 /* NetBSD's idea of what is needed to implement emulations */
 134
 135 struct _os_emul_data {
 136   device *vm;
 137   emul_syscall *syscalls;
 138 };
 139
 140
 141
 142 STATIC_INLINE_EMUL_NETBSD void
 143 write_stat(unsigned_word addr,
 144            struct stat buf,
 145            cpu *processor,
 146            unsigned_word cia)
 147 {
 148   H2T(buf.st_dev);
 149   H2T(buf.st_ino);
 150   H2T(buf.st_mode);
 151   H2T(buf.st_nlink);
 152   H2T(buf.st_uid);
 153   H2T(buf.st_gid);
 154   H2T(buf.st_size);
 155   H2T(buf.st_atime);
 156   /* H2T(buf.st_spare1); */
 157   H2T(buf.st_mtime);
 158   /* H2T(buf.st_spare2); */
 159   H2T(buf.st_ctime);
 160   /* H2T(buf.st_spare3); */
 161 #ifdef AC_STRUCT_ST_RDEV
 162   H2T(buf.st_rdev);
 163 #endif
 164 #ifdef AC_STRUCT_ST_BLKSIZE
 165   H2T(buf.st_blksize);
 166 #endif
 167 #ifdef AC_STRUCT_ST_BLOCKS
 168   H2T(buf.st_blocks);
 169 #endif
 170 #if WITH_NetBSD_HOST
 171   H2T(buf.st_flags);
 172   H2T(buf.st_gen);
 173 #endif
 174   emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
 175 }
 176
 177
 178 #ifdef HAVE_FSTATFS
 179 STATIC_INLINE_EMUL_NETBSD void
 180 write_statfs(unsigned_word addr,
 181              struct statfs buf,
 182              cpu *processor,
 183              unsigned_word cia)
 184 {
 185   H2T(buf.f_type);
 186   H2T(buf.f_flags);
 187   H2T(buf.f_bsize);
 188   H2T(buf.f_iosize);
 189   H2T(buf.f_blocks);
 190   H2T(buf.f_bfree);
 191   H2T(buf.f_bavail);
 192   H2T(buf.f_files);
 193   H2T(buf.f_ffree);
 194   H2T(buf.f_fsid.val[0]);
 195   H2T(buf.f_fsid.val[1]);
 196   H2T(buf.f_owner);
 197   /* f_spare[4]; */
 198   /* f_fstypename[MFSNAMELEN]; */
 199   /* f_mntonname[MNAMELEN]; */
 200   /* f_mntfromname[MNAMELEN]; */
 201   emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
 202 }
 203 #endif
 204
 205
 206 STATIC_INLINE_EMUL_NETBSD void
 207 write_timeval(unsigned_word addr,
 208               struct timeval t,
 209               cpu *processor,
 210               unsigned_word cia)
 211 {
 212   H2T(t.tv_sec);
 213   H2T(t.tv_usec);
 214   emul_write_buffer(&t, addr, sizeof(t), processor, cia);
 215 }
 216
 217
 218 STATIC_INLINE_EMUL_NETBSD void
 219 write_timezone(unsigned_word addr,
 220                struct timezone tz,
 221                cpu *processor,
 222                unsigned_word cia)
 223 {
 224   H2T(tz.tz_minuteswest);
 225   H2T(tz.tz_dsttime);
 226   emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
 227 }
 228
 229
 230 #ifdef HAVE_GETDIRENTRIES
 231 STATIC_INLINE_EMUL_NETBSD void
 232 write_direntries(unsigned_word addr,
 233                  char *buf,
 234                  int nbytes,
 235                  cpu *processor,
 236                  unsigned_word cia)
 237 {
 238   while (nbytes > 0) {
 239     struct dirent *out;
 240     struct dirent *in = (struct dirent*)buf;
 241     ASSERT(in->d_reclen <= nbytes);
 242     out = (struct dirent*)zalloc(in->d_reclen);
 243     memcpy(out/*dest*/, in/*src*/, in->d_reclen);
 244     H2T(out->d_fileno);
 245     H2T(out->d_reclen);
 246     H2T(out->d_type);
 247     H2T(out->d_namlen);
 248     emul_write_buffer(out, addr, in->d_reclen, processor, cia);
 249     nbytes -= in->d_reclen;
 250     addr += in->d_reclen;
 251     buf += in->d_reclen;
 252     zfree(out);
 253   }
 254 }
 255 #endif
 256
 257
 258 #ifdef HAVE_GETRUSAGE
 259 STATIC_INLINE_EMUL_NETBSD void
 260 write_rusage(unsigned_word addr,
 261              struct rusage rusage,
 262              cpu *processor,
 263              unsigned_word cia)
 264 {
 265   H2T(rusage.ru_utime.tv_sec); /* user time used */
 266   H2T(rusage.ru_utime.tv_usec);
 267   H2T(rusage.ru_stime.tv_sec); /* system time used */
 268   H2T(rusage.ru_stime.tv_usec);
 269   H2T(rusage.ru_maxrss);          /* integral max resident set size */
 270   H2T(rusage.ru_ixrss);           /* integral shared text memory size */
 271   H2T(rusage.ru_idrss);           /* integral unshared data size */
 272   H2T(rusage.ru_isrss);           /* integral unshared stack size */
 273   H2T(rusage.ru_minflt);          /* page reclaims */
 274   H2T(rusage.ru_majflt);          /* page faults */
 275   H2T(rusage.ru_nswap);           /* swaps */
 276   H2T(rusage.ru_inblock);         /* block input operations */
 277   H2T(rusage.ru_oublock);         /* block output operations */
 278   H2T(rusage.ru_msgsnd);          /* messages sent */
 279   H2T(rusage.ru_msgrcv);          /* messages received */
 280   H2T(rusage.ru_nsignals);        /* signals received */
 281   H2T(rusage.ru_nvcsw);           /* voluntary context switches */
 282   H2T(rusage.ru_nivcsw);          /* involuntary context switches */
 283   emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
 284 }
 285 #endif
 286
 287 static void
 288 do_exit(os_emul_data *emul,
 289         unsigned call,
 290         const int arg0,
 291         cpu *processor,
 292         unsigned_word cia)
 293 {
 294   int status = (int)cpu_registers(processor)->gpr[arg0];
 295   SYS(exit);
 296   if (WITH_TRACE && ppc_trace[trace_os_emul])
 297     printf_filtered ("%d)\n", status);
 298
 299   cpu_halt(processor, cia, was_exited, status);
 300 }
 301
 302
 303 static void
 304 do_read(os_emul_data *emul,
 305         unsigned call,
 306         const int arg0,
 307         cpu *processor,
 308         unsigned_word cia)
 309 {
 310   void *scratch_buffer;
 311   int d = (int)cpu_registers(processor)->gpr[arg0];
 312   unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
 313   int nbytes = cpu_registers(processor)->gpr[arg0+2];
 314   int status;
 315   SYS(read);
 316
 317   if (WITH_TRACE && ppc_trace[trace_os_emul])
 318     printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
 319
 320   /* get a tempoary bufer */
 321   scratch_buffer = zalloc(nbytes);
 322
 323   /* check if buffer exists by reading it */
 324   emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
 325
 326   /* read */
 327 #if 0
 328   if (d == 0) {
 329     status = fread (scratch_buffer, 1, nbytes, stdin);
 330     if (status == 0 && ferror (stdin))
 331       status = -1;
 332   }
 333 #endif
 334   status = read (d, scratch_buffer, nbytes);
 335
 336   emul_write_status(processor, status, errno);
 337   if (status > 0)
 338     emul_write_buffer(scratch_buffer, buf, status, processor, cia);
 339
 340   zfree(scratch_buffer);
 341 }
 342
 343
 344 static void
 345 do_write(os_emul_data *emul,
 346          unsigned call,
 347          const int arg0,
 348          cpu *processor,
 349          unsigned_word cia)
 350 {
 351   void *scratch_buffer = NULL;
 352   int d = (int)cpu_registers(processor)->gpr[arg0];
 353   unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
 354   int nbytes = cpu_registers(processor)->gpr[arg0+2];
 355   int status;
 356   SYS(write);
 357
 358   if (WITH_TRACE && ppc_trace[trace_os_emul])
 359     printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
 360
 361   /* get a tempoary bufer */
 362   scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
 363
 364   /* copy in */
 365   emul_read_buffer(scratch_buffer, buf, nbytes,
 366                    processor, cia);
 367
 368   /* write */
 369   status = write(d, scratch_buffer, nbytes);
 370   emul_write_status(processor, status, errno);
 371   zfree(scratch_buffer);
 372
 373   flush_stdoutput();
 374 }
 375
 376
 377 static void
 378 do_open(os_emul_data *emul,
 379         unsigned call,
 380         const int arg0,
 381         cpu *processor,
 382         unsigned_word cia)
 383 {
 384   unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
 385   char path_buf[PATH_MAX];
 386   char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
 387   int flags = (int)cpu_registers(processor)->gpr[arg0+1];
 388   int mode = (int)cpu_registers(processor)->gpr[arg0+2];
 389   int status;
 390
 391   if (WITH_TRACE && ppc_trace[trace_os_emul])
 392     printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
 393
 394   SYS(open);
 395
 396   /* Can't combine these statements, cuz open sets errno. */
 397   status = open(path, flags, mode);
 398   emul_write_status(processor, status, errno);
 399 }
 400
 401
 402 static void
 403 do_close(os_emul_data *emul,
 404          unsigned call,
 405          const int arg0,
 406          cpu *processor,
 407          unsigned_word cia)
 408 {
 409   int d = (int)cpu_registers(processor)->gpr[arg0];
 410   int status;
 411
 412   if (WITH_TRACE && ppc_trace[trace_os_emul])
 413     printf_filtered ("%d", d);
 414
 415   SYS(close);
 416
 417   /* Can't combine these statements, cuz close sets errno. */
 418   status = close(d);
 419   emul_write_status(processor, status, errno);
 420 }
 421
 422
 423 static void
 424 do_break(os_emul_data *emul,
 425          unsigned call,
 426          const int arg0,
 427          cpu *processor,
 428          unsigned_word cia)
 429 {
 430   /* just pass this onto the `vm' device */
 431   unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
 432   int status;
 433
 434   if (WITH_TRACE && ppc_trace[trace_os_emul])
 435     printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
 436
 437   SYS(break);
 438   status = device_ioctl(emul->vm,
 439                         processor,
 440                         cia,
 441                         device_ioctl_break,
 442                         new_break); /*ioctl-data*/
 443   emul_write_status(processor, 0, status);
 444 }
 445
 446
 447 #ifndef HAVE_GETPID
 448 #define do_getpid 0
 449 #else
 450 static void
 451 do_getpid(os_emul_data *emul,
 452           unsigned call,
 453           const int arg0,
 454           cpu *processor,
 455           unsigned_word cia)
 456 {
 457   SYS(getpid);
 458   emul_write_status(processor, (int)getpid(), 0);
 459 }
 460 #endif
 461
 462 #ifndef HAVE_GETUID
 463 #define do_getuid 0
 464 #else
 465 static void
 466 do_getuid(os_emul_data *emul,
 467           unsigned call,
 468           const int arg0,
 469           cpu *processor,
 470           unsigned_word cia)
 471 {
 472   SYS(getuid);
 473   emul_write_status(processor, (int)getuid(), 0);
 474 }
 475 #endif
 476
 477 #ifndef HAVE_GETEUID
 478 #define do_geteuid 0
 479 #else
 480 static void
 481 do_geteuid(os_emul_data *emul,
 482            unsigned call,
 483            const int arg0,
 484            cpu *processor,
 485            unsigned_word cia)
 486 {
 487   SYS(geteuid);
 488   emul_write_status(processor, (int)geteuid(), 0);
 489 }
 490 #endif
 491
 492 #ifndef HAVE_KILL
 493 #define do_kill 0
 494 #else
 495 static void
 496 do_kill(os_emul_data *emul,
 497         unsigned call,
 498         const int arg0,
 499         cpu *processor,
 500         unsigned_word cia)
 501 {
 502   pid_t pid = cpu_registers(processor)->gpr[arg0];
 503   int sig = cpu_registers(processor)->gpr[arg0+1];
 504
 505   if (WITH_TRACE && ppc_trace[trace_os_emul])
 506     printf_filtered ("%d, %d", (int)pid, sig);
 507
 508   SYS(kill);
 509   printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
 510                   (long)cia);
 511   cpu_halt(processor, cia, was_signalled, sig);
 512 }
 513 #endif
 514
 515 #ifndef HAVE_DUP
 516 #define do_dup 0
 517 #else
 518 static void
 519 do_dup(os_emul_data *emul,
 520        unsigned call,
 521        const int arg0,
 522        cpu *processor,
 523        unsigned_word cia)
 524 {
 525   int oldd = cpu_registers(processor)->gpr[arg0];
 526   int status = dup(oldd);
 527   int err = errno;
 528
 529   if (WITH_TRACE && ppc_trace[trace_os_emul])
 530     printf_filtered ("%d", oldd);
 531
 532   SYS(dup);
 533   emul_write_status(processor, status, err);
 534 }
 535 #endif
 536
 537 #ifndef HAVE_GETEGID
 538 #define do_getegid 0
 539 #else
 540 static void
 541 do_getegid(os_emul_data *emul,
 542            unsigned call,
 543            const int arg0,
 544            cpu *processor,
 545            unsigned_word cia)
 546 {
 547   SYS(getegid);
 548   emul_write_status(processor, (int)getegid(), 0);
 549 }
 550 #endif
 551
 552 #ifndef HAVE_GETGID
 553 #define do_getgid 0
 554 #else
 555 static void
 556 do_getgid(os_emul_data *emul,
 557           unsigned call,
 558           const int arg0,
 559           cpu *processor,
 560           unsigned_word cia)
 561 {
 562   SYS(getgid);
 563   emul_write_status(processor, (int)getgid(), 0);
 564 }
 565 #endif
 566
 567 #ifndef HAVE_SIGPROCMASK
 568 #define do_sigprocmask 0
 569 #else
 570 static void
 571 do_sigprocmask(os_emul_data *emul,
 572                unsigned call,
 573                const int arg0,
 574                cpu *processor,
 575                unsigned_word cia)
 576 {
 577   natural_word how = cpu_registers(processor)->gpr[arg0];
 578   unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
 579   unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
 580   SYS(sigprocmask);
 581
 582   if (WITH_TRACE && ppc_trace[trace_os_emul])
 583     printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
 584
 585   emul_write_status(processor, 0, 0);
 586   cpu_registers(processor)->gpr[4] = set;
 587 }
 588 #endif
 589
 590 #ifndef HAVE_IOCTL
 591 #define do_ioctl 0
 592 #else
 593 static void
 594 do_ioctl(os_emul_data *emul,
 595          unsigned call,
 596          const int arg0,
 597          cpu *processor,
 598          unsigned_word cia)
 599 {
 600   int d = cpu_registers(processor)->gpr[arg0];
 601   unsigned request = cpu_registers(processor)->gpr[arg0+1];
 602   unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
 603
 604 #if !WITH_NetBSD_HOST
 605   cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
 606 #else
 607   unsigned dir = request & IOC_DIRMASK;
 608   int status;
 609   SYS(ioctl);
 610   /* what we haven't done */
 611   if (dir & IOC_IN /* write into the io device */
 612       || dir & IOC_OUT
 613       || !(dir & IOC_VOID))
 614     error("do_ioctl() read or write of parameter not implemented\n");
 615   status = ioctl(d, request, NULL);
 616   emul_write_status(processor, status, errno);
 617 #endif
 618
 619   if (WITH_TRACE && ppc_trace[trace_os_emul])
 620     printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
 621 }
 622 #endif
 623
 624 #ifndef HAVE_UMASK
 625 #define do_umask 0
 626 #else
 627 static void
 628 do_umask(os_emul_data *emul,
 629          unsigned call,
 630          const int arg0,
 631          cpu *processor,
 632          unsigned_word cia)
 633 {
 634   int mask = cpu_registers(processor)->gpr[arg0];
 635
 636   if (WITH_TRACE && ppc_trace[trace_os_emul])
 637     printf_filtered ("0%o", mask);
 638
 639   SYS(umask);
 640   emul_write_status(processor, umask(mask), 0);
 641 }
 642 #endif
 643
 644 #ifndef HAVE_DUP2
 645 #define do_dup2 0
 646 #else
 647 static void
 648 do_dup2(os_emul_data *emul,
 649         unsigned call,
 650         const int arg0,
 651         cpu *processor,
 652         unsigned_word cia)
 653 {
 654   int oldd = cpu_registers(processor)->gpr[arg0];
 655   int newd = cpu_registers(processor)->gpr[arg0+1];
 656   int status = dup2(oldd, newd);
 657   int err = errno;
 658
 659   if (WITH_TRACE && ppc_trace[trace_os_emul])
 660     printf_filtered ("%d, %d", oldd, newd);
 661
 662   SYS(dup2);
 663   emul_write_status(processor, status, err);
 664 }
 665 #endif
 666
 667 #ifndef HAVE_FCNTL
 668 #define do_fcntl 0
 669 #else
 670 static void
 671 do_fcntl(os_emul_data *emul,
 672          unsigned call,
 673          const int arg0,
 674          cpu *processor,
 675          unsigned_word cia)
 676 {
 677   int fd = cpu_registers(processor)->gpr[arg0];
 678   int cmd = cpu_registers(processor)->gpr[arg0+1];
 679   int arg = cpu_registers(processor)->gpr[arg0+2];
 680   int status;
 681
 682   if (WITH_TRACE && ppc_trace[trace_os_emul])
 683     printf_filtered ("%d, %d, %d", fd, cmd, arg);
 684
 685   SYS(fcntl);
 686   status = fcntl(fd, cmd, arg);
 687   emul_write_status(processor, status, errno);
 688 }
 689 #endif
 690
 691 #ifndef HAVE_GETTIMEOFDAY
 692 #define do_gettimeofday 0
 693 #else
 694 static void
 695 do_gettimeofday(os_emul_data *emul,
 696                 unsigned call,
 697                 const int arg0,
 698                 cpu *processor,
 699                 unsigned_word cia)
 700 {
 701   unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
 702   unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
 703   struct timeval t;
 704   struct timezone tz;
 705   int status = gettimeofday((t_addr != 0 ? &t : NULL),
 706                             (tz_addr != 0 ? &tz : NULL));
 707   int err = errno;
 708
 709   if (WITH_TRACE && ppc_trace[trace_os_emul])
 710     printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
 711
 712   SYS(gettimeofday);
 713   emul_write_status(processor, status, err);
 714   if (status == 0) {
 715     if (t_addr != 0)
 716       write_timeval(t_addr, t, processor, cia);
 717     if (tz_addr != 0)
 718       write_timezone(tz_addr, tz, processor, cia);
 719   }
 720 }
 721 #endif
 722
 723 #ifndef HAVE_GETRUSAGE
 724 #define do_getrusage 0
 725 #else
 726 static void
 727 do_getrusage(os_emul_data *emul,
 728              unsigned call,
 729              const int arg0,
 730              cpu *processor,
 731              unsigned_word cia)
 732 {
 733   int who = cpu_registers(processor)->gpr[arg0];
 734   unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
 735   struct rusage rusage;
 736   int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
 737   int err = errno;
 738
 739   if (WITH_TRACE && ppc_trace[trace_os_emul])
 740     printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
 741
 742   SYS(getrusage);
 743   emul_write_status(processor, status, err);
 744   if (status == 0) {
 745     if (rusage_addr != 0)
 746       write_rusage(rusage_addr, rusage, processor, cia);
 747   }
 748 }
 749 #endif
 750
 751
 752 #ifndef HAVE_FSTATFS
 753 #define do_fstatfs 0
 754 #else
 755 static void
 756 do_fstatfs(os_emul_data *emul,
 757            unsigned call,
 758            const int arg0,
 759            cpu *processor,
 760            unsigned_word cia)
 761 {
 762   int fd = cpu_registers(processor)->gpr[arg0];
 763   unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
 764   struct statfs buf;
 765   int status;
 766
 767   if (WITH_TRACE && ppc_trace[trace_os_emul])
 768     printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
 769
 770   SYS(fstatfs);
 771   status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
 772   emul_write_status(processor, status, errno);
 773   if (status == 0) {
 774     if (buf_addr != 0)
 775       write_statfs(buf_addr, buf, processor, cia);
 776   }
 777 }
 778 #endif
 779
 780 #ifndef HAVE_STAT
 781 #define do_stat 0
 782 #else
 783 static void
 784 do_stat(os_emul_data *emul,
 785         unsigned call,
 786         const int arg0,
 787         cpu *processor,
 788         unsigned_word cia)
 789 {
 790   char path_buf[PATH_MAX];
 791   unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
 792   unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
 793   char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
 794   struct stat buf;
 795   int status;
 796   SYS(stat);
 797   status = stat(path, &buf);
 798   emul_write_status(processor, status, errno);
 799   if (status == 0)
 800     write_stat(stat_buf_addr, buf, processor, cia);
 801 }
 802 #endif
 803
 804 #ifndef HAVE_FSTAT
 805 #define do_fstat 0
 806 #else
 807 static void
 808 do_fstat(os_emul_data *emul,
 809          unsigned call,
 810          const int arg0,
 811          cpu *processor,
 812          unsigned_word cia)
 813 {
 814   int fd = cpu_registers(processor)->gpr[arg0];
 815   unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
 816   struct stat buf;
 817   int status;
 818   SYS(fstat);
 819   /* Can't combine these statements, cuz fstat sets errno. */
 820   status = fstat(fd, &buf);
 821   emul_write_status(processor, status, errno);
 822   write_stat(stat_buf_addr, buf, processor, cia);
 823 }
 824 #endif
 825
 826 #ifndef HAVE_LSTAT
 827 #define do_lstat 0
 828 #else
 829 static void
 830 do_lstat(os_emul_data *emul,
 831          unsigned call,
 832          const int arg0,
 833          cpu *processor,
 834          unsigned_word cia)
 835 {
 836   char path_buf[PATH_MAX];
 837   unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
 838   char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
 839   unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
 840   struct stat buf;
 841   int status;
 842   SYS(lstat);
 843   /* Can't combine these statements, cuz lstat sets errno. */
 844   status = lstat(path, &buf);
 845   emul_write_status(processor, status, errno);
 846   write_stat(stat_buf_addr, buf, processor, cia);
 847 }
 848 #endif
 849
 850 #ifndef HAVE_GETDIRENTRIES
 851 #define do_getdirentries 0
 852 #else
 853 static void
 854 do_getdirentries(os_emul_data *emul,
 855                  unsigned call,
 856                  const int arg0,
 857                  cpu *processor,
 858                  unsigned_word cia)
 859 {
 860   int fd = cpu_registers(processor)->gpr[arg0];
 861   unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
 862   char *buf;
 863   int nbytes = cpu_registers(processor)->gpr[arg0+2];
 864   unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
 865   long basep;
 866   int status;
 867   SYS(getdirentries);
 868   if (buf_addr != 0 && nbytes >= 0)
 869     buf = zalloc(nbytes);
 870   else
 871     buf = NULL;
 872   status = getdirentries(fd,
 873                          (buf_addr == 0 ? NULL : buf),
 874                          nbytes,
 875                          (basep_addr == 0 ? NULL : &basep));
 876   emul_write_status(processor, status, errno);
 877   if (basep_addr != 0)
 878     emul_write_word(basep_addr, basep, processor, cia);
 879   if (status > 0)
 880     write_direntries(buf_addr, buf, status, processor, cia);
 881   if (buf != NULL)
 882     zfree(buf);
 883 }
 884 #endif
 885
 886
 887 static void
 888 do___syscall(os_emul_data *emul,
 889              unsigned call,
 890              const int arg0,
 891              cpu *processor,
 892              unsigned_word cia)
 893 {
 894   SYS(__syscall);
 895   emul_do_system_call(emul,
 896                       emul->syscalls,
 897                       cpu_registers(processor)->gpr[arg0],
 898                       arg0 + 1,
 899                       processor,
 900                       cia);
 901 }
 902
 903 #ifndef HAVE_LSEEK
 904 #define do_lseek 0
 905 #else
 906 static void
 907 do_lseek(os_emul_data *emul,
 908          unsigned call,
 909          const int arg0,
 910          cpu *processor,
 911          unsigned_word cia)
 912 {
 913   int fildes = cpu_registers(processor)->gpr[arg0];
 914   off_t offset = emul_read_gpr64(processor, arg0+2);
 915   int whence = cpu_registers(processor)->gpr[arg0+4];
 916   off_t status;
 917   SYS(lseek);
 918   status = lseek(fildes, offset, whence);
 919   if (status == -1)
 920     emul_write_status(processor, -1, errno);
 921   else {
 922     emul_write_status(processor, 0, 0); /* success */
 923     emul_write_gpr64(processor, 3, status);
 924   }
 925 }
 926 #endif
 927
 928 static void
 929 do___sysctl(os_emul_data *emul,
 930             unsigned call,
 931             const int arg0,
 932             cpu *processor,
 933             unsigned_word cia)
 934 {
 935   /* call the arguments by their real name */
 936   unsigned_word name = cpu_registers(processor)->gpr[arg0];
 937   natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
 938   unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
 939   unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
 940   natural_word oldlen;
 941   natural_word mib;
 942   natural_word int_val;
 943   SYS(__sysctl);
 944
 945   /* pluck out the management information base id */
 946   if (namelen < 1)
 947     error("system_call()SYS___sysctl bad name[0]\n");
 948   mib = vm_data_map_read_word(cpu_data_map(processor),
 949                               name,
 950                               processor,
 951                               cia);
 952   name += sizeof(mib);
 953
 954   /* see what to do with it ... */
 955   switch ((int)mib) {
 956   case 6/*CTL_HW*/:
 957 #if WITH_NetBSD_HOST && (CTL_HW != 6)
 958 #  error "CTL_HW"
 959 #endif
 960     if (namelen < 2)
 961       error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
 962     mib = vm_data_map_read_word(cpu_data_map(processor),
 963                                 name,
 964                                 processor,
 965                                 cia);
 966     name += sizeof(mib);
 967     switch ((int)mib) {
 968     case 7/*HW_PAGESIZE*/:
 969 #if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
 970 #  error "HW_PAGESIZE"
 971 #endif
 972       oldlen = vm_data_map_read_word(cpu_data_map(processor),
 973                                      oldlenp,
 974                                      processor,
 975                                      cia);
 976       if (sizeof(natural_word) > oldlen)
 977         error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
 978       int_val = 8192;
 979       oldlen = sizeof(int_val);
 980       emul_write_word(oldp, int_val, processor, cia);
 981       emul_write_word(oldlenp, oldlen, processor, cia);
 982       break;
 983     default:
 984       error("sysctl() CTL_HW.%d unknown\n", mib);
 985       break;
 986     }
 987     break;
 988   default:
 989     error("sysctl() name[0]=%d unknown\n", (int)mib);
 990     break;
 991   }
 992   emul_write_status(processor, 0, 0); /* always succeed */
 993 }
 994
 995
 996
 997 static emul_syscall_descriptor netbsd_descriptors[] = {
 998   /* 0 */ { 0, "syscall" },
 999   /* 1 */ { do_exit, "exit" },
1000   /* 2 */ { 0, "fork" },
1001   /* 3 */ { do_read, "read" },
1002   /* 4 */ { do_write, "write" },
1003   /* 5 */ { do_open, "open" },
1004   /* 6 */ { do_close, "close" },
1005   /* 7 */ { 0, "wait4" },
1006   { 0, }, /* 8 is old creat */
1007   /* 9 */ { 0, "link" },
1008   /* 10 */ { 0, "unlink" },
1009   { 0, }, /* 11 is obsolete execv */
1010   /* 12 */ { 0, "chdir" },
1011   /* 13 */ { 0, "fchdir" },
1012   /* 14 */ { 0, "mknod" },
1013   /* 15 */ { 0, "chmod" },
1014   /* 16 */ { 0, "chown" },
1015   /* 17 */ { do_break, "break" },
1016   /* 18 */ { 0, "getfsstat" },
1017   { 0, }, /* 19 is old lseek */
1018   /* 20 */ { do_getpid, "getpid" },
1019   /* 21 */ { 0, "mount" },
1020   /* 22 */ { 0, "unmount" },
1021   /* 23 */ { 0, "setuid" },
1022   /* 24 */ { do_getuid, "getuid" },
1023   /* 25 */ { do_geteuid, "geteuid" },
1024   /* 26 */ { 0, "ptrace" },
1025   /* 27 */ { 0, "recvmsg" },
1026   /* 28 */ { 0, "sendmsg" },
1027   /* 29 */ { 0, "recvfrom" },
1028   /* 30 */ { 0, "accept" },
1029   /* 31 */ { 0, "getpeername" },
1030   /* 32 */ { 0, "getsockname" },
1031   /* 33 */ { 0, "access" },
1032   /* 34 */ { 0, "chflags" },
1033   /* 35 */ { 0, "fchflags" },
1034   /* 36 */ { 0, "sync" },
1035   /* 37 */ { do_kill, "kill" },
1036   { 0, }, /* 38 is old stat */
1037   /* 39 */ { 0, "getppid" },
1038   { 0, }, /* 40 is old lstat */
1039   /* 41 */ { do_dup, "dup" },
1040   /* 42 */ { 0, "pipe" },
1041   /* 43 */ { do_getegid, "getegid" },
1042   /* 44 */ { 0, "profil" },
1043   /* 45 */ { 0, "ktrace" },
1044   /* 46 */ { 0, "sigaction" },
1045   /* 47 */ { do_getgid, "getgid" },
1046   /* 48 */ { do_sigprocmask, "sigprocmask" },
1047   /* 49 */ { 0, "getlogin" },
1048   /* 50 */ { 0, "setlogin" },
1049   /* 51 */ { 0, "acct" },
1050   /* 52 */ { 0, "sigpending" },
1051   /* 53 */ { 0, "sigaltstack" },
1052   /* 54 */ { do_ioctl, "ioctl" },
1053   /* 55 */ { 0, "reboot" },
1054   /* 56 */ { 0, "revoke" },
1055   /* 57 */ { 0, "symlink" },
1056   /* 58 */ { 0, "readlink" },
1057   /* 59 */ { 0, "execve" },
1058   /* 60 */ { do_umask, "umask" },
1059   /* 61 */ { 0, "chroot" },
1060   { 0, }, /* 62 is old fstat */
1061   { 0, }, /* 63 is old getkerninfo */
1062   { 0, }, /* 64 is old getpagesize */
1063   /* 65 */ { 0, "msync" },
1064   /* 66 */ { 0, "vfork" },
1065   { 0, }, /* 67 is obsolete vread */
1066   { 0, }, /* 68 is obsolete vwrite */
1067   /* 69 */ { 0, "sbrk" },
1068   /* 70 */ { 0, "sstk" },
1069   { 0, }, /* 71 is old mmap */
1070   /* 72 */ { 0, "vadvise" },
1071   /* 73 */ { 0, "munmap" },
1072   /* 74 */ { 0, "mprotect" },
1073   /* 75 */ { 0, "madvise" },
1074   { 0, }, /* 76 is obsolete vhangup */
1075   { 0, }, /* 77 is obsolete vlimit */
1076   /* 78 */ { 0, "mincore" },
1077   /* 79 */ { 0, "getgroups" },
1078   /* 80 */ { 0, "setgroups" },
1079   /* 81 */ { 0, "getpgrp" },
1080   /* 82 */ { 0, "setpgid" },
1081   /* 83 */ { 0, "setitimer" },
1082   { 0, }, /* 84 is old wait */
1083   /* 85 */ { 0, "swapon" },
1084   /* 86 */ { 0, "getitimer" },
1085   { 0, }, /* 87 is old gethostname */
1086   { 0, }, /* 88 is old sethostname */
1087   { 0, }, /* 89 is old getdtablesize */
1088   { do_dup2, "dup2" },
1089   { 0, }, /* 91 */
1090   /* 92 */ { do_fcntl, "fcntl" },
1091   /* 93 */ { 0, "select" },
1092   { 0, }, /* 94 */
1093   /* 95 */ { 0, "fsync" },
1094   /* 96 */ { 0, "setpriority" },
1095   /* 97 */ { 0, "socket" },
1096   /* 98 */ { 0, "connect" },
1097   { 0, }, /* 99 is old accept */
1098   /* 100 */ { 0, "getpriority" },
1099   { 0, }, /* 101 is old send */
1100   { 0, }, /* 102 is old recv */
1101   /* 103 */ { 0, "sigreturn" },
1102   /* 104 */ { 0, "bind" },
1103   /* 105 */ { 0, "setsockopt" },
1104   /* 106 */ { 0, "listen" },
1105   { 0, }, /* 107 is obsolete vtimes */
1106   { 0, }, /* 108 is old sigvec */
1107   { 0, }, /* 109 is old sigblock */
1108   { 0, }, /* 110 is old sigsetmask */
1109   /* 111 */ { 0, "sigsuspend" },
1110   { 0, }, /* 112 is old sigstack */
1111   { 0, }, /* 113 is old recvmsg */
1112   { 0, }, /* 114 is old sendmsg */
1113   /* - is obsolete vtrace */ { 0, "vtrace       115" },
1114   /* 116 */ { do_gettimeofday, "gettimeofday" },
1115   /* 117 */ { do_getrusage, "getrusage" },
1116   /* 118 */ { 0, "getsockopt" },
1117   /* 119 */ { 0, "resuba" },
1118   /* 120 */ { 0, "readv" },
1119   /* 121 */ { 0, "writev" },
1120   /* 122 */ { 0, "settimeofday" },
1121   /* 123 */ { 0, "fchown" },
1122   /* 124 */ { 0, "fchmod" },
1123   { 0, }, /* 125 is old recvfrom */
1124   { 0, }, /* 126 is old setreuid */
1125   { 0, }, /* 127 is old setregid */
1126   /* 128 */ { 0, "rename" },
1127   { 0, }, /* 129 is old truncate */
1128   { 0, }, /* 130 is old ftruncate */
1129   /* 131 */ { 0, "flock" },
1130   /* 132 */ { 0, "mkfifo" },
1131   /* 133 */ { 0, "sendto" },
1132   /* 134 */ { 0, "shutdown" },
1133   /* 135 */ { 0, "socketpair" },
1134   /* 136 */ { 0, "mkdir" },
1135   /* 137 */ { 0, "rmdir" },
1136   /* 138 */ { 0, "utimes" },
1137   { 0, }, /* 139 is obsolete 4.2 sigreturn */
1138   /* 140 */ { 0, "adjtime" },
1139   { 0, }, /* 141 is old getpeername */
1140   { 0, }, /* 142 is old gethostid */
1141   { 0, }, /* 143 is old sethostid */
1142   { 0, }, /* 144 is old getrlimit */
1143   { 0, }, /* 145 is old setrlimit */
1144   { 0, }, /* 146 is old killpg */
1145   /* 147 */ { 0, "setsid" },
1146   /* 148 */ { 0, "quotactl" },
1147   { 0, }, /* 149 is old quota */
1148   { 0, }, /* 150 is old getsockname */
1149   { 0, }, /* 151 */
1150   { 0, }, /* 152 */
1151   { 0, }, /* 153 */
1152   { 0, }, /* 154 */
1153   /* 155 */ { 0, "nfssvc" },
1154   { 0, }, /* 156 is old getdirentries */
1155   /* 157 */ { 0, "statfs" },
1156   /* 158 */ { do_fstatfs, "fstatfs" },
1157   { 0, }, /* 159 */
1158   { 0, }, /* 160 */
1159   /* 161 */ { 0, "getfh" },
1160   { 0, }, /* 162 is old getdomainname */
1161   { 0, }, /* 163 is old setdomainname */
1162   { 0, }, /* 164 is old uname */
1163   /* 165 */ { 0, "sysarch" },
1164   { 0, }, /* 166 */
1165   { 0, }, /* 167 */
1166   { 0, }, /* 168 */
1167   /* 169 */ { 0, "semsys" },
1168   /* 170 */ { 0, "msgsys" },
1169   /* 171 */ { 0, "shmsys" },
1170   { 0, }, /* 172 */
1171   { 0, }, /* 173 */
1172   { 0, }, /* 174 */
1173   { 0, }, /* 175 */
1174   { 0, }, /* 176 */
1175   { 0, }, /* 177 */
1176   { 0, }, /* 178 */
1177   { 0, }, /* 179 */
1178   { 0, }, /* 180 */
1179   /* 181 */ { 0, "setgid" },
1180   /* 182 */ { 0, "setegid" },
1181   /* 183 */ { 0, "seteuid" },
1182   /* 184 */ { 0, "lfs_bmapv" },
1183   /* 185 */ { 0, "lfs_markv" },
1184   /* 186 */ { 0, "lfs_segclean" },
1185   /* 187 */ { 0, "lfs_segwait" },
1186   /* 188 */ { do_stat, "stat" },
1187   /* 189 */ { do_fstat, "fstat" },
1188   /* 190 */ { do_lstat, "lstat" },
1189   /* 191 */ { 0, "pathconf" },
1190   /* 192 */ { 0, "fpathconf" },
1191   { 0, }, /* 193 */
1192   /* 194 */ { 0, "getrlimit" },
1193   /* 195 */ { 0, "setrlimit" },
1194   /* 196 */ { do_getdirentries, "getdirentries" },
1195   /* 197 */ { 0, "mmap" },
1196   /* 198 */ { do___syscall, "__syscall" },
1197   /* 199 */ { do_lseek, "lseek" },
1198   /* 200 */ { 0, "truncate" },
1199   /* 201 */ { 0, "ftruncate" },
1200   /* 202 */ { do___sysctl, "__sysctl" },
1201   /* 203 */ { 0, "mlock" },
1202   /* 204 */ { 0, "munlock" },
1203 };
1204
1205 static char *(netbsd_error_names[]) = {
1206   /* 0 */ "ESUCCESS",
1207   /* 1 */ "EPERM",
1208   /* 2 */ "ENOENT",
1209   /* 3 */ "ESRCH",
1210   /* 4 */ "EINTR",
1211   /* 5 */ "EIO",
1212   /* 6 */ "ENXIO",
1213   /* 7 */ "E2BIG",
1214   /* 8 */ "ENOEXEC",
1215   /* 9 */ "EBADF",
1216   /* 10 */ "ECHILD",
1217   /* 11 */ "EDEADLK",
1218   /* 12 */ "ENOMEM",
1219   /* 13 */ "EACCES",
1220   /* 14 */ "EFAULT",
1221   /* 15 */ "ENOTBLK",
1222   /* 16 */ "EBUSY",
1223   /* 17 */ "EEXIST",
1224   /* 18 */ "EXDEV",
1225   /* 19 */ "ENODEV",
1226   /* 20 */ "ENOTDIR",
1227   /* 21 */ "EISDIR",
1228   /* 22 */ "EINVAL",
1229   /* 23 */ "ENFILE",
1230   /* 24 */ "EMFILE",
1231   /* 25 */ "ENOTTY",
1232   /* 26 */ "ETXTBSY",
1233   /* 27 */ "EFBIG",
1234   /* 28 */ "ENOSPC",
1235   /* 29 */ "ESPIPE",
1236   /* 30 */ "EROFS",
1237   /* 31 */ "EMLINK",
1238   /* 32 */ "EPIPE",
1239   /* 33 */ "EDOM",
1240   /* 34 */ "ERANGE",
1241   /* 35 */ "EAGAIN",
1242   /* 36 */ "EINPROGRESS",
1243   /* 37 */ "EALREADY",
1244   /* 38 */ "ENOTSOCK",
1245   /* 39 */ "EDESTADDRREQ",
1246   /* 40 */ "EMSGSIZE",
1247   /* 41 */ "EPROTOTYPE",
1248   /* 42 */ "ENOPROTOOPT",
1249   /* 43 */ "EPROTONOSUPPORT",
1250   /* 44 */ "ESOCKTNOSUPPORT",
1251   /* 45 */ "EOPNOTSUPP",
1252   /* 46 */ "EPFNOSUPPORT",
1253   /* 47 */ "EAFNOSUPPORT",
1254   /* 48 */ "EADDRINUSE",
1255   /* 49 */ "EADDRNOTAVAIL",
1256   /* 50 */ "ENETDOWN",
1257   /* 51 */ "ENETUNREACH",
1258   /* 52 */ "ENETRESET",
1259   /* 53 */ "ECONNABORTED",
1260   /* 54 */ "ECONNRESET",
1261   /* 55 */ "ENOBUFS",
1262   /* 56 */ "EISCONN",
1263   /* 57 */ "ENOTCONN",
1264   /* 58 */ "ESHUTDOWN",
1265   /* 59 */ "ETOOMANYREFS",
1266   /* 60 */ "ETIMEDOUT",
1267   /* 61 */ "ECONNREFUSED",
1268   /* 62 */ "ELOOP",
1269   /* 63 */ "ENAMETOOLONG",
1270   /* 64 */ "EHOSTDOWN",
1271   /* 65 */ "EHOSTUNREACH",
1272   /* 66 */ "ENOTEMPTY",
1273   /* 67 */ "EPROCLIM",
1274   /* 68 */ "EUSERS",
1275   /* 69 */ "EDQUOT",
1276   /* 70 */ "ESTALE",
1277   /* 71 */ "EREMOTE",
1278   /* 72 */ "EBADRPC",
1279   /* 73 */ "ERPCMISMATCH",
1280   /* 74 */ "EPROGUNAVAIL",
1281   /* 75 */ "EPROGMISMATCH",
1282   /* 76 */ "EPROCUNAVAIL",
1283   /* 77 */ "ENOLCK",
1284   /* 78 */ "ENOSYS",
1285   /* 79 */ "EFTYPE",
1286   /* 80 */ "EAUTH",
1287   /* 81 */ "ENEEDAUTH",
1288   /* 81 */ "ELAST",
1289 };
1290
1291 static char *(netbsd_signal_names[]) = {
1292   /* 0 */ 0,
1293   /* 1 */ "SIGHUP",
1294   /* 2 */ "SIGINT",
1295   /* 3 */ "SIGQUIT",
1296   /* 4 */ "SIGILL",
1297   /* 5 */ "SIGTRAP",
1298   /* 6 */ "SIGABRT",
1299   /* 7 */ "SIGEMT",
1300   /* 8 */ "SIGFPE",
1301   /* 9 */ "SIGKILL",
1302   /* 10 */ "SIGBUS",
1303   /* 11 */ "SIGSEGV",
1304   /* 12 */ "SIGSYS",
1305   /* 13 */ "SIGPIPE",
1306   /* 14 */ "SIGALRM",
1307   /* 15 */ "SIGTERM",
1308   /* 16 */ "SIGURG",
1309   /* 17 */ "SIGSTOP",
1310   /* 18 */ "SIGTSTP",
1311   /* 19 */ "SIGCONT",
1312   /* 20 */ "SIGCHLD",
1313   /* 21 */ "SIGTTIN",
1314   /* 22 */ "SIGTTOU",
1315   /* 23 */ "SIGIO",
1316   /* 24 */ "SIGXCPU",
1317   /* 25 */ "SIGXFSZ",
1318   /* 26 */ "SIGVTALRM",
1319   /* 27 */ "SIGPROF",
1320   /* 28 */ "SIGWINCH",
1321   /* 29 */ "SIGINFO",
1322   /* 30 */ "SIGUSR1",
1323   /* 31 */ "SIGUSR2",
1324 };
1325
1326 static emul_syscall emul_netbsd_syscalls = {
1327   netbsd_descriptors,
1328   sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
1329   netbsd_error_names,
1330   sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
1331   netbsd_signal_names,
1332   sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
1333 };
1334
1335
1336 /* NetBSD's os_emul interface, most are just passed on to the generic
1337    syscall stuff */
1338
1339 static os_emul_data *
1340 emul_netbsd_create(device *root,
1341                    bfd *image,
1342                    const char *name)
1343 {
1344   unsigned_word top_of_stack;
1345   unsigned stack_size;
1346   int elf_binary;
1347   os_emul_data *bsd_data;
1348   device *vm;
1349
1350   /* check that this emulation is really for us */
1351   if (name != NULL && strcmp(name, "netbsd") != 0)
1352     return NULL;
1353   if (image == NULL)
1354     return NULL;
1355
1356
1357   /* merge any emulation specific entries into the device tree */
1358
1359   /* establish a few defaults */
1360   if (image->xvec->flavour == bfd_target_elf_flavour) {
1361     elf_binary = 1;
1362     top_of_stack = 0xe0000000;
1363     stack_size =   0x00100000;
1364   }
1365   else {
1366     elf_binary = 0;
1367     top_of_stack = 0x20000000;
1368     stack_size =   0x00100000;
1369   }
1370
1371   /* options */
1372   emul_add_tree_options(root, image, "netbsd",
1373                         (WITH_ENVIRONMENT == USER_ENVIRONMENT
1374                          ? "user" : "virtual"),
1375                         0 /*oea-interrupt-prefix*/);
1376
1377   /* virtual memory - handles growth of stack/heap */
1378   vm = tree_parse(root, "/openprom/vm");
1379   tree_parse(vm, "./stack-base 0x%lx",
1380              (unsigned long)(top_of_stack - stack_size));
1381   tree_parse(vm, "./nr-bytes 0x%x", stack_size);
1382
1383   tree_parse(root, "/openprom/vm/map-binary/file-name %s",
1384              bfd_get_filename(image));
1385
1386   /* finish the init */
1387   tree_parse(root, "/openprom/init/register/pc 0x%lx",
1388              (unsigned long)bfd_get_start_address(image));
1389   tree_parse(root, "/openprom/init/register/sp 0x%lx",
1390              (unsigned long)top_of_stack);
1391   tree_parse(root, "/openprom/init/register/msr 0x%x",
1392              ((tree_find_boolean_property(root, "/options/little-endian?")
1393                ? msr_little_endian_mode
1394                : 0)
1395               | (tree_find_boolean_property(root, "/openprom/options/floating-point?")
1396                  ? (msr_floating_point_available
1397                     | msr_floating_point_exception_mode_0
1398                     | msr_floating_point_exception_mode_1)
1399                  : 0)));
1400   tree_parse(root, "/openprom/init/stack/stack-type %s",
1401              (elf_binary ? "ppc-elf" : "ppc-xcoff"));
1402
1403   /* finally our emulation data */
1404   bsd_data = ZALLOC(os_emul_data);
1405   bsd_data->vm = vm;
1406   bsd_data->syscalls = &emul_netbsd_syscalls;
1407   return bsd_data;
1408 }
1409
1410 static void
1411 emul_netbsd_init(os_emul_data *emul_data,
1412                  int nr_cpus)
1413 {
1414   /* nothing yet */
1415 }
1416
1417 static void
1418 emul_netbsd_system_call(cpu *processor,
1419                         unsigned_word cia,
1420                         os_emul_data *emul_data)
1421 {
1422   emul_do_system_call(emul_data,
1423                       emul_data->syscalls,
1424                       cpu_registers(processor)->gpr[0],
1425                       3, /*r3 contains arg0*/
1426                       processor,
1427                       cia);
1428 }
1429
1430 const os_emul emul_netbsd = {
1431   "netbsd",
1432   emul_netbsd_create,
1433   emul_netbsd_init,
1434   emul_netbsd_system_call,
1435   0, /*instruction_call*/
1436   0 /*data*/
1437 };
1438
1439 #endif _EMUL_NETBSD_C_