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[/] [or1k/] [trunk/] [gdb-5.3/] [sim/] [ppc/] [emul_netbsd.c] - Blame information for rev 1775

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1 1181 sfurman 
/*  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 <errno.h>
46 
#include <sys/errno.h>
47 
#include <sys/param.h>
48 
#include <sys/time.h>
49 
 
50 
#ifdef HAVE_GETRUSAGE
51 
#ifndef HAVE_SYS_RESOURCE_H
52 
#undef HAVE_GETRUSAGE
53 
#endif
54 
#endif
55 
 
56 
#ifdef HAVE_GETRUSAGE
57 
#include <sys/resource.h>
58 
int getrusage();
59 
#endif
60 
 
61 
#if HAVE_SYS_IOCTL_H
62 
#include <sys/ioctl.h>
63 
#endif
64 
 
65 
#if HAVE_DIRENT_H
66 
# include <dirent.h>
67 
# define NAMLEN(dirent) strlen((dirent)->d_name)
68 
#else
69 
# define dirent direct
70 
# define NAMLEN(dirent) (dirent)->d_namlen
71 
# if HAVE_SYS_NDIR_H
72 
#  include <sys/ndir.h>
73 
# endif
74 
# if HAVE_SYS_DIR_H
75 
#  include <sys/dir.h>
76 
# endif
77 
# if HAVE_NDIR_H
78 
#  include <ndir.h>
79 
# endif
80 
#endif
81 
 
82 
#ifdef HAVE_UNISTD_H
83 
#undef MAXPATHLEN               /* sys/param.h might define this also */
84 
#include <unistd.h>
85 
#endif
86 
 
87 
#ifdef HAVE_STDLIB_H
88 
#include <stdlib.h>
89 
#endif
90 
 
91 
#define WITH_NetBSD_HOST (NetBSD >= 199306)
92 
#if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
93 
#include <sys/syscall.h> /* FIXME - should not be including this one */
94 
#include <sys/sysctl.h>
95 
#include <sys/mount.h>
96 
extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
97 
#else
98 
 
99 
/* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
100 
#undef HAVE_FSTATFS
101 
#undef HAVE_GETDIRENTRIES
102 
#endif
103 
 
104 
#if (BSD < 199306) /* here BSD as just a bug */
105 
extern int errno;
106 
#endif
107 
 
108 
#ifndef STATIC_INLINE_EMUL_NETBSD
109 
#define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
110 
#endif
111 
 
112 
 
113 
#if WITH_NetBSD_HOST
114 
#define SYS(X) ASSERT(call == (SYS_##X))
115 
#else
116 
#define SYS(X)
117 
#endif
118 
 
119 
#if WITH_NetBSD_HOST && (PATH_MAX != 1024)
120 
#error "PATH_MAX not 1024"
121 
#elif !defined(PATH_MAX)
122 
#define PATH_MAX 1024
123 
#endif
124 
 
125 
 
126 
/* EMULATION
127 
 
128 
   NetBSD - Emulation of user programs for NetBSD/PPC
129 
 
130 
   DESCRIPTION
131 
 
132 
   */
133 
 
134 
 
135 
/* NetBSD's idea of what is needed to implement emulations */
136 
 
137 
struct _os_emul_data {
138 
  device *vm;
139 
  emul_syscall *syscalls;
140 
};
141 
 
142 
 
143 
 
144 
STATIC_INLINE_EMUL_NETBSD void
145 
write_stat(unsigned_word addr,
146 
           struct stat buf,
147 
           cpu *processor,
148 
           unsigned_word cia)
149 
{
150 
  H2T(buf.st_dev);
151 
  H2T(buf.st_ino);
152 
  H2T(buf.st_mode);
153 
  H2T(buf.st_nlink);
154 
  H2T(buf.st_uid);
155 
  H2T(buf.st_gid);
156 
  H2T(buf.st_size);
157 
  H2T(buf.st_atime);
158 
  /* H2T(buf.st_spare1); */
159 
  H2T(buf.st_mtime);
160 
  /* H2T(buf.st_spare2); */
161 
  H2T(buf.st_ctime);
162 
  /* H2T(buf.st_spare3); */
163 
#ifdef AC_STRUCT_ST_RDEV
164 
  H2T(buf.st_rdev);
165 
#endif
166 
#ifdef AC_STRUCT_ST_BLKSIZE
167 
  H2T(buf.st_blksize);
168 
#endif
169 
#ifdef AC_STRUCT_ST_BLOCKS
170 
  H2T(buf.st_blocks);
171 
#endif
172 
#if WITH_NetBSD_HOST
173 
  H2T(buf.st_flags);
174 
  H2T(buf.st_gen);
175 
#endif
176 
  emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
177 
}
178 
 
179 
 
180 
#ifdef HAVE_FSTATFS
181 
STATIC_INLINE_EMUL_NETBSD void
182 
write_statfs(unsigned_word addr,
183 
             struct statfs buf,
184 
             cpu *processor,
185 
             unsigned_word cia)
186 
{
187 
  H2T(buf.f_type);
188 
  H2T(buf.f_flags);
189 
  H2T(buf.f_bsize);
190 
  H2T(buf.f_iosize);
191 
  H2T(buf.f_blocks);
192 
  H2T(buf.f_bfree);
193 
  H2T(buf.f_bavail);
194 
  H2T(buf.f_files);
195 
  H2T(buf.f_ffree);
196 
  H2T(buf.f_fsid.val[0]);
197 
  H2T(buf.f_fsid.val[1]);
198 
  H2T(buf.f_owner);
199 
  /* f_spare[4]; */
200 
  /* f_fstypename[MFSNAMELEN]; */
201 
  /* f_mntonname[MNAMELEN]; */
202 
  /* f_mntfromname[MNAMELEN]; */
203 
  emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
204 
}
205 
#endif
206 
 
207 
 
208 
STATIC_INLINE_EMUL_NETBSD void
209 
write_timeval(unsigned_word addr,
210 
              struct timeval t,
211 
              cpu *processor,
212 
              unsigned_word cia)
213 
{
214 
  H2T(t.tv_sec);
215 
  H2T(t.tv_usec);
216 
  emul_write_buffer(&t, addr, sizeof(t), processor, cia);
217 
}
218 
 
219 
 
220 
STATIC_INLINE_EMUL_NETBSD void
221 
write_timezone(unsigned_word addr,
222 
               struct timezone tz,
223 
               cpu *processor,
224 
               unsigned_word cia)
225 
{
226 
  H2T(tz.tz_minuteswest);
227 
  H2T(tz.tz_dsttime);
228 
  emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
229 
}
230 
 
231 
 
232 
#ifdef HAVE_GETDIRENTRIES
233 
STATIC_INLINE_EMUL_NETBSD void
234 
write_direntries(unsigned_word addr,
235 
                 char *buf,
236 
                 int nbytes,
237 
                 cpu *processor,
238 
                 unsigned_word cia)
239 
{
240 
  while (nbytes > 0) {
241 
    struct dirent *out;
242 
    struct dirent *in = (struct dirent*)buf;
243 
    ASSERT(in->d_reclen <= nbytes);
244 
    out = (struct dirent*)zalloc(in->d_reclen);
245 
    memcpy(out/*dest*/, in/*src*/, in->d_reclen);
246 
    H2T(out->d_fileno);
247 
    H2T(out->d_reclen);
248 
    H2T(out->d_type);
249 
    H2T(out->d_namlen);
250 
    emul_write_buffer(out, addr, in->d_reclen, processor, cia);
251 
    nbytes -= in->d_reclen;
252 
    addr += in->d_reclen;
253 
    buf += in->d_reclen;
254 
    zfree(out);
255 
  }
256 
}
257 
#endif
258 
 
259 
 
260 
#ifdef HAVE_GETRUSAGE
261 
STATIC_INLINE_EMUL_NETBSD void
262 
write_rusage(unsigned_word addr,
263 
             struct rusage rusage,
264 
             cpu *processor,
265 
             unsigned_word cia)
266 
{
267 
  H2T(rusage.ru_utime.tv_sec); /* user time used */
268 
  H2T(rusage.ru_utime.tv_usec);
269 
  H2T(rusage.ru_stime.tv_sec); /* system time used */
270 
  H2T(rusage.ru_stime.tv_usec);
271 
  H2T(rusage.ru_maxrss);          /* integral max resident set size */
272 
  H2T(rusage.ru_ixrss);           /* integral shared text memory size */
273 
  H2T(rusage.ru_idrss);           /* integral unshared data size */
274 
  H2T(rusage.ru_isrss);           /* integral unshared stack size */
275 
  H2T(rusage.ru_minflt);          /* page reclaims */
276 
  H2T(rusage.ru_majflt);          /* page faults */
277 
  H2T(rusage.ru_nswap);           /* swaps */
278 
  H2T(rusage.ru_inblock);         /* block input operations */
279 
  H2T(rusage.ru_oublock);         /* block output operations */
280 
  H2T(rusage.ru_msgsnd);          /* messages sent */
281 
  H2T(rusage.ru_msgrcv);          /* messages received */
282 
  H2T(rusage.ru_nsignals);        /* signals received */
283 
  H2T(rusage.ru_nvcsw);           /* voluntary context switches */
284 
  H2T(rusage.ru_nivcsw);          /* involuntary context switches */
285 
  emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
286 
}
287 
#endif
288 
 
289 
static void
290 
do_exit(os_emul_data *emul,
291 
        unsigned call,
292 
        const int arg0,
293 
        cpu *processor,
294 
        unsigned_word cia)
295 
{
296 
  int status = (int)cpu_registers(processor)->gpr[arg0];
297 
  SYS(exit);
298 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
299 
    printf_filtered ("%d)\n", status);
300 
 
301 
  cpu_halt(processor, cia, was_exited, status);
302 
}
303 
 
304 
 
305 
static void
306 
do_read(os_emul_data *emul,
307 
        unsigned call,
308 
        const int arg0,
309 
        cpu *processor,
310 
        unsigned_word cia)
311 
{
312 
  void *scratch_buffer;
313 
  int d = (int)cpu_registers(processor)->gpr[arg0];
314 
  unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
315 
  int nbytes = cpu_registers(processor)->gpr[arg0+2];
316 
  int status;
317 
  SYS(read);
318 
 
319 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
320 
    printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
321 
 
322 
  /* get a tempoary bufer */
323 
  scratch_buffer = zalloc(nbytes);
324 
 
325 
  /* check if buffer exists by reading it */
326 
  emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
327 
 
328 
  /* read */
329 
#if 0
330 
  if (d == 0) {
331 
    status = fread (scratch_buffer, 1, nbytes, stdin);
332 
    if (status == 0 && ferror (stdin))
333 
      status = -1;
334 
  }
335 
#endif
336 
  status = read (d, scratch_buffer, nbytes);
337 
 
338 
  emul_write_status(processor, status, errno);
339 
  if (status > 0)
340 
    emul_write_buffer(scratch_buffer, buf, status, processor, cia);
341 
 
342 
  zfree(scratch_buffer);
343 
}
344 
 
345 
 
346 
static void
347 
do_write(os_emul_data *emul,
348 
         unsigned call,
349 
         const int arg0,
350 
         cpu *processor,
351 
         unsigned_word cia)
352 
{
353 
  void *scratch_buffer = NULL;
354 
  int d = (int)cpu_registers(processor)->gpr[arg0];
355 
  unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
356 
  int nbytes = cpu_registers(processor)->gpr[arg0+2];
357 
  int status;
358 
  SYS(write);
359 
 
360 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
361 
    printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
362 
 
363 
  /* get a tempoary bufer */
364 
  scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
365 
 
366 
  /* copy in */
367 
  emul_read_buffer(scratch_buffer, buf, nbytes,
368 
                   processor, cia);
369 
 
370 
  /* write */
371 
  status = write(d, scratch_buffer, nbytes);
372 
  emul_write_status(processor, status, errno);
373 
  zfree(scratch_buffer);
374 
 
375 
  flush_stdoutput();
376 
}
377 
 
378 
 
379 
static void
380 
do_open(os_emul_data *emul,
381 
        unsigned call,
382 
        const int arg0,
383 
        cpu *processor,
384 
        unsigned_word cia)
385 
{
386 
  unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
387 
  char path_buf[PATH_MAX];
388 
  char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
389 
  int flags = (int)cpu_registers(processor)->gpr[arg0+1];
390 
  int mode = (int)cpu_registers(processor)->gpr[arg0+2];
391 
  int hostflags;
392 
  int status;
393 
 
394 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
395 
    printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
396 
 
397 
  SYS(open);
398 
 
399 
  /* Do some translation on 'flags' to match it to the host's version.  */
400 
  /* These flag values were taken from the NetBSD 1.4 header files.  */
401 
  if ((flags & 3) == 0)
402 
    hostflags = O_RDONLY;
403 
  else if ((flags & 3) == 1)
404 
    hostflags = O_WRONLY;
405 
  else
406 
    hostflags = O_RDWR;
407 
  if (flags & 0x00000008)
408 
    hostflags |= O_APPEND;
409 
  if (flags & 0x00000200)
410 
    hostflags |= O_CREAT;
411 
  if (flags & 0x00000400)
412 
    hostflags |= O_TRUNC;
413 
  if (flags & 0x00000800)
414 
    hostflags |= O_EXCL;
415 
 
416 
  /* Can't combine these statements, cuz open sets errno. */
417 
  status = open(path, hostflags, mode);
418 
  emul_write_status(processor, status, errno);
419 
}
420 
 
421 
 
422 
static void
423 
do_close(os_emul_data *emul,
424 
         unsigned call,
425 
         const int arg0,
426 
         cpu *processor,
427 
         unsigned_word cia)
428 
{
429 
  int d = (int)cpu_registers(processor)->gpr[arg0];
430 
  int status;
431 
 
432 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
433 
    printf_filtered ("%d", d);
434 
 
435 
  SYS(close);
436 
 
437 
  /* Can't combine these statements, cuz close sets errno. */
438 
  status = close(d);
439 
  emul_write_status(processor, status, errno);
440 
}
441 
 
442 
 
443 
static void
444 
do_break(os_emul_data *emul,
445 
         unsigned call,
446 
         const int arg0,
447 
         cpu *processor,
448 
         unsigned_word cia)
449 
{
450 
  /* just pass this onto the `vm' device */
451 
  unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
452 
  int status;
453 
 
454 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
455 
    printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
456 
 
457 
  SYS(break);
458 
  status = device_ioctl(emul->vm,
459 
                        processor,
460 
                        cia,
461 
                        device_ioctl_break,
462 
                        new_break); /*ioctl-data*/
463 
  emul_write_status(processor, 0, status);
464 
}
465 
 
466 
 
467 
#ifndef HAVE_GETPID
468 
#define do_getpid 0
469 
#else
470 
static void
471 
do_getpid(os_emul_data *emul,
472 
          unsigned call,
473 
          const int arg0,
474 
          cpu *processor,
475 
          unsigned_word cia)
476 
{
477 
  SYS(getpid);
478 
  emul_write_status(processor, (int)getpid(), 0);
479 
}
480 
#endif
481 
 
482 
#ifndef HAVE_GETUID
483 
#define do_getuid 0
484 
#else
485 
static void
486 
do_getuid(os_emul_data *emul,
487 
          unsigned call,
488 
          const int arg0,
489 
          cpu *processor,
490 
          unsigned_word cia)
491 
{
492 
  SYS(getuid);
493 
  emul_write_status(processor, (int)getuid(), 0);
494 
}
495 
#endif
496 
 
497 
#ifndef HAVE_GETEUID
498 
#define do_geteuid 0
499 
#else
500 
static void
501 
do_geteuid(os_emul_data *emul,
502 
           unsigned call,
503 
           const int arg0,
504 
           cpu *processor,
505 
           unsigned_word cia)
506 
{
507 
  SYS(geteuid);
508 
  emul_write_status(processor, (int)geteuid(), 0);
509 
}
510 
#endif
511 
 
512 
#ifndef HAVE_KILL
513 
#define do_kill 0
514 
#else
515 
static void
516 
do_kill(os_emul_data *emul,
517 
        unsigned call,
518 
        const int arg0,
519 
        cpu *processor,
520 
        unsigned_word cia)
521 
{
522 
  pid_t pid = cpu_registers(processor)->gpr[arg0];
523 
  int sig = cpu_registers(processor)->gpr[arg0+1];
524 
 
525 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
526 
    printf_filtered ("%d, %d", (int)pid, sig);
527 
 
528 
  SYS(kill);
529 
  printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
530 
                  (long)cia);
531 
  cpu_halt(processor, cia, was_signalled, sig);
532 
}
533 
#endif
534 
 
535 
#ifndef HAVE_DUP
536 
#define do_dup 0
537 
#else
538 
static void
539 
do_dup(os_emul_data *emul,
540 
       unsigned call,
541 
       const int arg0,
542 
       cpu *processor,
543 
       unsigned_word cia)
544 
{
545 
  int oldd = cpu_registers(processor)->gpr[arg0];
546 
  int status = dup(oldd);
547 
  int err = errno;
548 
 
549 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
550 
    printf_filtered ("%d", oldd);
551 
 
552 
  SYS(dup);
553 
  emul_write_status(processor, status, err);
554 
}
555 
#endif
556 
 
557 
#ifndef HAVE_GETEGID
558 
#define do_getegid 0
559 
#else
560 
static void
561 
do_getegid(os_emul_data *emul,
562 
           unsigned call,
563 
           const int arg0,
564 
           cpu *processor,
565 
           unsigned_word cia)
566 
{
567 
  SYS(getegid);
568 
  emul_write_status(processor, (int)getegid(), 0);
569 
}
570 
#endif
571 
 
572 
#ifndef HAVE_GETGID
573 
#define do_getgid 0
574 
#else
575 
static void
576 
do_getgid(os_emul_data *emul,
577 
          unsigned call,
578 
          const int arg0,
579 
          cpu *processor,
580 
          unsigned_word cia)
581 
{
582 
  SYS(getgid);
583 
  emul_write_status(processor, (int)getgid(), 0);
584 
}
585 
#endif
586 
 
587 
#ifndef HAVE_SIGPROCMASK
588 
#define do_sigprocmask 0
589 
#else
590 
static void
591 
do_sigprocmask(os_emul_data *emul,
592 
               unsigned call,
593 
               const int arg0,
594 
               cpu *processor,
595 
               unsigned_word cia)
596 
{
597 
  natural_word how = cpu_registers(processor)->gpr[arg0];
598 
  unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
599 
  unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
600 
#ifdef SYS_sigprocmask
601 
  SYS(sigprocmask);
602 
#endif
603 
 
604 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
605 
    printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
606 
 
607 
  emul_write_status(processor, 0, 0);
608 
  cpu_registers(processor)->gpr[4] = set;
609 
}
610 
#endif
611 
 
612 
#ifndef HAVE_IOCTL
613 
#define do_ioctl 0
614 
#else
615 
static void
616 
do_ioctl(os_emul_data *emul,
617 
         unsigned call,
618 
         const int arg0,
619 
         cpu *processor,
620 
         unsigned_word cia)
621 
{
622 
  int d = cpu_registers(processor)->gpr[arg0];
623 
  unsigned request = cpu_registers(processor)->gpr[arg0+1];
624 
  unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
625 
 
626 
#if !WITH_NetBSD_HOST
627 
  cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
628 
#else
629 
  unsigned dir = request & IOC_DIRMASK;
630 
  int status;
631 
  SYS(ioctl);
632 
  /* what we haven't done */
633 
  if (dir & IOC_IN /* write into the io device */
634 
      || dir & IOC_OUT
635 
      || !(dir & IOC_VOID))
636 
    error("do_ioctl() read or write of parameter not implemented\n");
637 
  status = ioctl(d, request, NULL);
638 
  emul_write_status(processor, status, errno);
639 
#endif
640 
 
641 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
642 
    printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
643 
}
644 
#endif
645 
 
646 
#ifndef HAVE_UMASK
647 
#define do_umask 0
648 
#else
649 
static void
650 
do_umask(os_emul_data *emul,
651 
         unsigned call,
652 
         const int arg0,
653 
         cpu *processor,
654 
         unsigned_word cia)
655 
{
656 
  int mask = cpu_registers(processor)->gpr[arg0];
657 
 
658 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
659 
    printf_filtered ("0%o", mask);
660 
 
661 
  SYS(umask);
662 
  emul_write_status(processor, umask(mask), 0);
663 
}
664 
#endif
665 
 
666 
#ifndef HAVE_DUP2
667 
#define do_dup2 0
668 
#else
669 
static void
670 
do_dup2(os_emul_data *emul,
671 
        unsigned call,
672 
        const int arg0,
673 
        cpu *processor,
674 
        unsigned_word cia)
675 
{
676 
  int oldd = cpu_registers(processor)->gpr[arg0];
677 
  int newd = cpu_registers(processor)->gpr[arg0+1];
678 
  int status = dup2(oldd, newd);
679 
  int err = errno;
680 
 
681 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
682 
    printf_filtered ("%d, %d", oldd, newd);
683 
 
684 
  SYS(dup2);
685 
  emul_write_status(processor, status, err);
686 
}
687 
#endif
688 
 
689 
#ifndef HAVE_FCNTL
690 
#define do_fcntl 0
691 
#else
692 
static void
693 
do_fcntl(os_emul_data *emul,
694 
         unsigned call,
695 
         const int arg0,
696 
         cpu *processor,
697 
         unsigned_word cia)
698 
{
699 
  int fd = cpu_registers(processor)->gpr[arg0];
700 
  int cmd = cpu_registers(processor)->gpr[arg0+1];
701 
  int arg = cpu_registers(processor)->gpr[arg0+2];
702 
  int status;
703 
 
704 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
705 
    printf_filtered ("%d, %d, %d", fd, cmd, arg);
706 
 
707 
  SYS(fcntl);
708 
  status = fcntl(fd, cmd, arg);
709 
  emul_write_status(processor, status, errno);
710 
}
711 
#endif
712 
 
713 
#ifndef HAVE_GETTIMEOFDAY
714 
#define do_gettimeofday 0
715 
#else
716 
static void
717 
do_gettimeofday(os_emul_data *emul,
718 
                unsigned call,
719 
                const int arg0,
720 
                cpu *processor,
721 
                unsigned_word cia)
722 
{
723 
  unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
724 
  unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
725 
  struct timeval t;
726 
  struct timezone tz;
727 
  int status = gettimeofday((t_addr != 0 ? &t : NULL),
728 
                            (tz_addr != 0 ? &tz : NULL));
729 
  int err = errno;
730 
 
731 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
732 
    printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
733 
 
734 
  SYS(gettimeofday);
735 
  emul_write_status(processor, status, err);
736 
  if (status == 0) {
737 
    if (t_addr != 0)
738 
      write_timeval(t_addr, t, processor, cia);
739 
    if (tz_addr != 0)
740 
      write_timezone(tz_addr, tz, processor, cia);
741 
  }
742 
}
743 
#endif
744 
 
745 
#ifndef HAVE_GETRUSAGE
746 
#define do_getrusage 0
747 
#else
748 
static void
749 
do_getrusage(os_emul_data *emul,
750 
             unsigned call,
751 
             const int arg0,
752 
             cpu *processor,
753 
             unsigned_word cia)
754 
{
755 
  int who = cpu_registers(processor)->gpr[arg0];
756 
  unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
757 
  struct rusage rusage;
758 
  int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
759 
  int err = errno;
760 
 
761 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
762 
    printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
763 
 
764 
  SYS(getrusage);
765 
  emul_write_status(processor, status, err);
766 
  if (status == 0) {
767 
    if (rusage_addr != 0)
768 
      write_rusage(rusage_addr, rusage, processor, cia);
769 
  }
770 
}
771 
#endif
772 
 
773 
 
774 
#ifndef HAVE_FSTATFS
775 
#define do_fstatfs 0
776 
#else
777 
static void
778 
do_fstatfs(os_emul_data *emul,
779 
           unsigned call,
780 
           const int arg0,
781 
           cpu *processor,
782 
           unsigned_word cia)
783 
{
784 
  int fd = cpu_registers(processor)->gpr[arg0];
785 
  unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
786 
  struct statfs buf;
787 
  int status;
788 
 
789 
  if (WITH_TRACE && ppc_trace[trace_os_emul])
790 
    printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
791 
 
792 
  SYS(fstatfs);
793 
  status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
794 
  emul_write_status(processor, status, errno);
795 
  if (status == 0) {
796 
    if (buf_addr != 0)
797 
      write_statfs(buf_addr, buf, processor, cia);
798 
  }
799 
}
800 
#endif
801 
 
802 
#ifndef HAVE_STAT
803 
#define do_stat 0
804 
#else
805 
static void
806 
do_stat(os_emul_data *emul,
807 
        unsigned call,
808 
        const int arg0,
809 
        cpu *processor,
810 
        unsigned_word cia)
811 
{
812 
  char path_buf[PATH_MAX];
813 
  unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
814 
  unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
815 
  char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
816 
  struct stat buf;
817 
  int status;
818 
#ifdef SYS_stat
819 
  SYS(stat);
820 
#endif
821 
  status = stat(path, &buf);
822 
  emul_write_status(processor, status, errno);
823 
  if (status == 0)
824 
    write_stat(stat_buf_addr, buf, processor, cia);
825 
}
826 
#endif
827 
 
828 
#ifndef HAVE_FSTAT
829 
#define do_fstat 0
830 
#else
831 
static void
832 
do_fstat(os_emul_data *emul,
833 
         unsigned call,
834 
         const int arg0,
835 
         cpu *processor,
836 
         unsigned_word cia)
837 
{
838 
  int fd = cpu_registers(processor)->gpr[arg0];
839 
  unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
840 
  struct stat buf;
841 
  int status;
842 
#ifdef SYS_fstat
843 
  SYS(fstat);
844 
#endif
845 
  /* Can't combine these statements, cuz fstat sets errno. */
846 
  status = fstat(fd, &buf);
847 
  emul_write_status(processor, status, errno);
848 
  write_stat(stat_buf_addr, buf, processor, cia);
849 
}
850 
#endif
851 
 
852 
#ifndef HAVE_LSTAT
853 
#define do_lstat 0
854 
#else
855 
static void
856 
do_lstat(os_emul_data *emul,
857 
         unsigned call,
858 
         const int arg0,
859 
         cpu *processor,
860 
         unsigned_word cia)
861 
{
862 
  char path_buf[PATH_MAX];
863 
  unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
864 
  char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
865 
  unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
866 
  struct stat buf;
867 
  int status;
868 
#ifdef SYS_lstat
869 
  SYS(lstat);
870 
#endif
871 
  /* Can't combine these statements, cuz lstat sets errno. */
872 
  status = lstat(path, &buf);
873 
  emul_write_status(processor, status, errno);
874 
  write_stat(stat_buf_addr, buf, processor, cia);
875 
}
876 
#endif
877 
 
878 
#ifndef HAVE_GETDIRENTRIES
879 
#define do_getdirentries 0
880 
#else
881 
static void
882 
do_getdirentries(os_emul_data *emul,
883 
                 unsigned call,
884 
                 const int arg0,
885 
                 cpu *processor,
886 
                 unsigned_word cia)
887 
{
888 
  int fd = cpu_registers(processor)->gpr[arg0];
889 
  unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
890 
  char *buf;
891 
  int nbytes = cpu_registers(processor)->gpr[arg0+2];
892 
  unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
893 
  long basep;
894 
  int status;
895 
#ifdef SYS_getdirentries
896 
  SYS(getdirentries);
897 
#endif
898 
  if (buf_addr != 0 && nbytes >= 0)
899 
    buf = zalloc(nbytes);
900 
  else
901 
    buf = NULL;
902 
  status = getdirentries(fd,
903 
                         (buf_addr == 0 ? NULL : buf),
904 
                         nbytes,
905 
                         (basep_addr == 0 ? NULL : &basep));
906 
  emul_write_status(processor, status, errno);
907 
  if (basep_addr != 0)
908 
    emul_write_word(basep_addr, basep, processor, cia);
909 
  if (status > 0)
910 
    write_direntries(buf_addr, buf, status, processor, cia);
911 
  if (buf != NULL)
912 
    zfree(buf);
913 
}
914 
#endif
915 
 
916 
 
917 
static void
918 
do___syscall(os_emul_data *emul,
919 
             unsigned call,
920 
             const int arg0,
921 
             cpu *processor,
922 
             unsigned_word cia)
923 
{
924 
  SYS(__syscall);
925 
  emul_do_system_call(emul,
926 
                      emul->syscalls,
927 
                      cpu_registers(processor)->gpr[arg0],
928 
                      arg0 + 1,
929 
                      processor,
930 
                      cia);
931 
}
932 
 
933 
#ifndef HAVE_LSEEK
934 
#define do_lseek 0
935 
#else
936 
static void
937 
do_lseek(os_emul_data *emul,
938 
         unsigned call,
939 
         const int arg0,
940 
         cpu *processor,
941 
         unsigned_word cia)
942 
{
943 
  int fildes = cpu_registers(processor)->gpr[arg0];
944 
  off_t offset = emul_read_gpr64(processor, arg0+2);
945 
  int whence = cpu_registers(processor)->gpr[arg0+4];
946 
  off_t status;
947 
  SYS(lseek);
948 
  status = lseek(fildes, offset, whence);
949 
  if (status == -1)
950 
    emul_write_status(processor, -1, errno);
951 
  else {
952 
    emul_write_status(processor, 0, 0); /* success */
953 
    emul_write_gpr64(processor, 3, status);
954 
  }
955 
}
956 
#endif
957 
 
958 
static void
959 
do___sysctl(os_emul_data *emul,
960 
            unsigned call,
961 
            const int arg0,
962 
            cpu *processor,
963 
            unsigned_word cia)
964 
{
965 
  /* call the arguments by their real name */
966 
  unsigned_word name = cpu_registers(processor)->gpr[arg0];
967 
  natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
968 
  unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
969 
  unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
970 
  natural_word oldlen;
971 
  natural_word mib;
972 
  natural_word int_val;
973 
  SYS(__sysctl);
974 
 
975 
  /* pluck out the management information base id */
976 
  if (namelen < 1)
977 
    error("system_call()SYS___sysctl bad name[0]\n");
978 
  mib = vm_data_map_read_word(cpu_data_map(processor),
979 
                              name,
980 
                              processor,
981 
                              cia);
982 
  name += sizeof(mib);
983 
 
984 
  /* see what to do with it ... */
985 
  switch ((int)mib) {
986 
  case 6/*CTL_HW*/:
987 
#if WITH_NetBSD_HOST && (CTL_HW != 6)
988 
#  error "CTL_HW"
989 
#endif
990 
    if (namelen < 2)
991 
      error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
992 
    mib = vm_data_map_read_word(cpu_data_map(processor),
993 
                                name,
994 
                                processor,
995 
                                cia);
996 
    name += sizeof(mib);
997 
    switch ((int)mib) {
998 
    case 7/*HW_PAGESIZE*/:
999 
#if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
1000 
#  error "HW_PAGESIZE"
1001 
#endif
1002 
      oldlen = vm_data_map_read_word(cpu_data_map(processor),
1003 
                                     oldlenp,
1004 
                                     processor,
1005 
                                     cia);
1006 
      if (sizeof(natural_word) > oldlen)
1007 
        error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
1008 
      int_val = 8192;
1009 
      oldlen = sizeof(int_val);
1010 
      emul_write_word(oldp, int_val, processor, cia);
1011 
      emul_write_word(oldlenp, oldlen, processor, cia);
1012 
      break;
1013 
    default:
1014 
      error("sysctl() CTL_HW.%d unknown\n", mib);
1015 
      break;
1016 
    }
1017 
    break;
1018 
  default:
1019 
    error("sysctl() name[0]=%d unknown\n", (int)mib);
1020 
    break;
1021 
  }
1022 
  emul_write_status(processor, 0, 0); /* always succeed */
1023 
}
1024 
 
1025 
 
1026 
 
1027 
static emul_syscall_descriptor netbsd_descriptors[] = {
1028 
  /* 0 */ { 0, "syscall" },
1029 
  /* 1 */ { do_exit, "exit" },
1030 
  /* 2 */ { 0, "fork" },
1031 
  /* 3 */ { do_read, "read" },
1032 
  /* 4 */ { do_write, "write" },
1033 
  /* 5 */ { do_open, "open" },
1034 
  /* 6 */ { do_close, "close" },
1035 
  /* 7 */ { 0, "wait4" },
1036 
  { 0, }, /* 8 is old creat */
1037 
  /* 9 */ { 0, "link" },
1038 
  /* 10 */ { 0, "unlink" },
1039 
  { 0, }, /* 11 is obsolete execv */
1040 
  /* 12 */ { 0, "chdir" },
1041 
  /* 13 */ { 0, "fchdir" },
1042 
  /* 14 */ { 0, "mknod" },
1043 
  /* 15 */ { 0, "chmod" },
1044 
  /* 16 */ { 0, "chown" },
1045 
  /* 17 */ { do_break, "break" },
1046 
  /* 18 */ { 0, "getfsstat" },
1047 
  { 0, }, /* 19 is old lseek */
1048 
  /* 20 */ { do_getpid, "getpid" },
1049 
  /* 21 */ { 0, "mount" },
1050 
  /* 22 */ { 0, "unmount" },
1051 
  /* 23 */ { 0, "setuid" },
1052 
  /* 24 */ { do_getuid, "getuid" },
1053 
  /* 25 */ { do_geteuid, "geteuid" },
1054 
  /* 26 */ { 0, "ptrace" },
1055 
  /* 27 */ { 0, "recvmsg" },
1056 
  /* 28 */ { 0, "sendmsg" },
1057 
  /* 29 */ { 0, "recvfrom" },
1058 
  /* 30 */ { 0, "accept" },
1059 
  /* 31 */ { 0, "getpeername" },
1060 
  /* 32 */ { 0, "getsockname" },
1061 
  /* 33 */ { 0, "access" },
1062 
  /* 34 */ { 0, "chflags" },
1063 
  /* 35 */ { 0, "fchflags" },
1064 
  /* 36 */ { 0, "sync" },
1065 
  /* 37 */ { do_kill, "kill" },
1066 
  { 0, }, /* 38 is old stat */
1067 
  /* 39 */ { 0, "getppid" },
1068 
  { 0, }, /* 40 is old lstat */
1069 
  /* 41 */ { do_dup, "dup" },
1070 
  /* 42 */ { 0, "pipe" },
1071 
  /* 43 */ { do_getegid, "getegid" },
1072 
  /* 44 */ { 0, "profil" },
1073 
  /* 45 */ { 0, "ktrace" },
1074 
  /* 46 */ { 0, "sigaction" },
1075 
  /* 47 */ { do_getgid, "getgid" },
1076 
  /* 48 */ { do_sigprocmask, "sigprocmask" },
1077 
  /* 49 */ { 0, "getlogin" },
1078 
  /* 50 */ { 0, "setlogin" },
1079 
  /* 51 */ { 0, "acct" },
1080 
  /* 52 */ { 0, "sigpending" },
1081 
  /* 53 */ { 0, "sigaltstack" },
1082 
  /* 54 */ { do_ioctl, "ioctl" },
1083 
  /* 55 */ { 0, "reboot" },
1084 
  /* 56 */ { 0, "revoke" },
1085 
  /* 57 */ { 0, "symlink" },
1086 
  /* 58 */ { 0, "readlink" },
1087 
  /* 59 */ { 0, "execve" },
1088 
  /* 60 */ { do_umask, "umask" },
1089 
  /* 61 */ { 0, "chroot" },
1090 
  { 0, }, /* 62 is old fstat */
1091 
  { 0, }, /* 63 is old getkerninfo */
1092 
  { 0, }, /* 64 is old getpagesize */
1093 
  /* 65 */ { 0, "msync" },
1094 
  /* 66 */ { 0, "vfork" },
1095 
  { 0, }, /* 67 is obsolete vread */
1096 
  { 0, }, /* 68 is obsolete vwrite */
1097 
  /* 69 */ { 0, "sbrk" },
1098 
  /* 70 */ { 0, "sstk" },
1099 
  { 0, }, /* 71 is old mmap */
1100 
  /* 72 */ { 0, "vadvise" },
1101 
  /* 73 */ { 0, "munmap" },
1102 
  /* 74 */ { 0, "mprotect" },
1103 
  /* 75 */ { 0, "madvise" },
1104 
  { 0, }, /* 76 is obsolete vhangup */
1105 
  { 0, }, /* 77 is obsolete vlimit */
1106 
  /* 78 */ { 0, "mincore" },
1107 
  /* 79 */ { 0, "getgroups" },
1108 
  /* 80 */ { 0, "setgroups" },
1109 
  /* 81 */ { 0, "getpgrp" },
1110 
  /* 82 */ { 0, "setpgid" },
1111 
  /* 83 */ { 0, "setitimer" },
1112 
  { 0, }, /* 84 is old wait */
1113 
  /* 85 */ { 0, "swapon" },
1114 
  /* 86 */ { 0, "getitimer" },
1115 
  { 0, }, /* 87 is old gethostname */
1116 
  { 0, }, /* 88 is old sethostname */
1117 
  { 0, }, /* 89 is old getdtablesize */
1118 
  { do_dup2, "dup2" },
1119 
  { 0, }, /* 91 */
1120 
  /* 92 */ { do_fcntl, "fcntl" },
1121 
  /* 93 */ { 0, "select" },
1122 
  { 0, }, /* 94 */
1123 
  /* 95 */ { 0, "fsync" },
1124 
  /* 96 */ { 0, "setpriority" },
1125 
  /* 97 */ { 0, "socket" },
1126 
  /* 98 */ { 0, "connect" },
1127 
  { 0, }, /* 99 is old accept */
1128 
  /* 100 */ { 0, "getpriority" },
1129 
  { 0, }, /* 101 is old send */
1130 
  { 0, }, /* 102 is old recv */
1131 
  /* 103 */ { 0, "sigreturn" },
1132 
  /* 104 */ { 0, "bind" },
1133 
  /* 105 */ { 0, "setsockopt" },
1134 
  /* 106 */ { 0, "listen" },
1135 
  { 0, }, /* 107 is obsolete vtimes */
1136 
  { 0, }, /* 108 is old sigvec */
1137 
  { 0, }, /* 109 is old sigblock */
1138 
  { 0, }, /* 110 is old sigsetmask */
1139 
  /* 111 */ { 0, "sigsuspend" },
1140 
  { 0, }, /* 112 is old sigstack */
1141 
  { 0, }, /* 113 is old recvmsg */
1142 
  { 0, }, /* 114 is old sendmsg */
1143 
  /* - is obsolete vtrace */ { 0, "vtrace        115" },
1144 
  /* 116 */ { do_gettimeofday, "gettimeofday" },
1145 
  /* 117 */ { do_getrusage, "getrusage" },
1146 
  /* 118 */ { 0, "getsockopt" },
1147 
  /* 119 */ { 0, "resuba" },
1148 
  /* 120 */ { 0, "readv" },
1149 
  /* 121 */ { 0, "writev" },
1150 
  /* 122 */ { 0, "settimeofday" },
1151 
  /* 123 */ { 0, "fchown" },
1152 
  /* 124 */ { 0, "fchmod" },
1153 
  { 0, }, /* 125 is old recvfrom */
1154 
  { 0, }, /* 126 is old setreuid */
1155 
  { 0, }, /* 127 is old setregid */
1156 
  /* 128 */ { 0, "rename" },
1157 
  { 0, }, /* 129 is old truncate */
1158 
  { 0, }, /* 130 is old ftruncate */
1159 
  /* 131 */ { 0, "flock" },
1160 
  /* 132 */ { 0, "mkfifo" },
1161 
  /* 133 */ { 0, "sendto" },
1162 
  /* 134 */ { 0, "shutdown" },
1163 
  /* 135 */ { 0, "socketpair" },
1164 
  /* 136 */ { 0, "mkdir" },
1165 
  /* 137 */ { 0, "rmdir" },
1166 
  /* 138 */ { 0, "utimes" },
1167 
  { 0, }, /* 139 is obsolete 4.2 sigreturn */
1168 
  /* 140 */ { 0, "adjtime" },
1169 
  { 0, }, /* 141 is old getpeername */
1170 
  { 0, }, /* 142 is old gethostid */
1171 
  { 0, }, /* 143 is old sethostid */
1172 
  { 0, }, /* 144 is old getrlimit */
1173 
  { 0, }, /* 145 is old setrlimit */
1174 
  { 0, }, /* 146 is old killpg */
1175 
  /* 147 */ { 0, "setsid" },
1176 
  /* 148 */ { 0, "quotactl" },
1177 
  { 0, }, /* 149 is old quota */
1178 
  { 0, }, /* 150 is old getsockname */
1179 
  { 0, }, /* 151 */
1180 
  { 0, }, /* 152 */
1181 
  { 0, }, /* 153 */
1182 
  { 0, }, /* 154 */
1183 
  /* 155 */ { 0, "nfssvc" },
1184 
  { 0, }, /* 156 is old getdirentries */
1185 
  /* 157 */ { 0, "statfs" },
1186 
  /* 158 */ { do_fstatfs, "fstatfs" },
1187 
  { 0, }, /* 159 */
1188 
  { 0, }, /* 160 */
1189 
  /* 161 */ { 0, "getfh" },
1190 
  { 0, }, /* 162 is old getdomainname */
1191 
  { 0, }, /* 163 is old setdomainname */
1192 
  { 0, }, /* 164 is old uname */
1193 
  /* 165 */ { 0, "sysarch" },
1194 
  { 0, }, /* 166 */
1195 
  { 0, }, /* 167 */
1196 
  { 0, }, /* 168 */
1197 
  /* 169 */ { 0, "semsys" },
1198 
  /* 170 */ { 0, "msgsys" },
1199 
  /* 171 */ { 0, "shmsys" },
1200 
  { 0, }, /* 172 */
1201 
  { 0, }, /* 173 */
1202 
  { 0, }, /* 174 */
1203 
  { 0, }, /* 175 */
1204 
  { 0, }, /* 176 */
1205 
  { 0, }, /* 177 */
1206 
  { 0, }, /* 178 */
1207 
  { 0, }, /* 179 */
1208 
  { 0, }, /* 180 */
1209 
  /* 181 */ { 0, "setgid" },
1210 
  /* 182 */ { 0, "setegid" },
1211 
  /* 183 */ { 0, "seteuid" },
1212 
  /* 184 */ { 0, "lfs_bmapv" },
1213 
  /* 185 */ { 0, "lfs_markv" },
1214 
  /* 186 */ { 0, "lfs_segclean" },
1215 
  /* 187 */ { 0, "lfs_segwait" },
1216 
  /* 188 */ { do_stat, "stat" },
1217 
  /* 189 */ { do_fstat, "fstat" },
1218 
  /* 190 */ { do_lstat, "lstat" },
1219 
  /* 191 */ { 0, "pathconf" },
1220 
  /* 192 */ { 0, "fpathconf" },
1221 
  { 0, }, /* 193 */
1222 
  /* 194 */ { 0, "getrlimit" },
1223 
  /* 195 */ { 0, "setrlimit" },
1224 
  /* 196 */ { do_getdirentries, "getdirentries" },
1225 
  /* 197 */ { 0, "mmap" },
1226 
  /* 198 */ { do___syscall, "__syscall" },
1227 
  /* 199 */ { do_lseek, "lseek" },
1228 
  /* 200 */ { 0, "truncate" },
1229 
  /* 201 */ { 0, "ftruncate" },
1230 
  /* 202 */ { do___sysctl, "__sysctl" },
1231 
  /* 203 */ { 0, "mlock" },
1232 
  /* 204 */ { 0, "munlock" },
1233 
};
1234 
 
1235 
static char *(netbsd_error_names[]) = {
1236 
  /* 0 */ "ESUCCESS",
1237 
  /* 1 */ "EPERM",
1238 
  /* 2 */ "ENOENT",
1239 
  /* 3 */ "ESRCH",
1240 
  /* 4 */ "EINTR",
1241 
  /* 5 */ "EIO",
1242 
  /* 6 */ "ENXIO",
1243 
  /* 7 */ "E2BIG",
1244 
  /* 8 */ "ENOEXEC",
1245 
  /* 9 */ "EBADF",
1246 
  /* 10 */ "ECHILD",
1247 
  /* 11 */ "EDEADLK",
1248 
  /* 12 */ "ENOMEM",
1249 
  /* 13 */ "EACCES",
1250 
  /* 14 */ "EFAULT",
1251 
  /* 15 */ "ENOTBLK",
1252 
  /* 16 */ "EBUSY",
1253 
  /* 17 */ "EEXIST",
1254 
  /* 18 */ "EXDEV",
1255 
  /* 19 */ "ENODEV",
1256 
  /* 20 */ "ENOTDIR",
1257 
  /* 21 */ "EISDIR",
1258 
  /* 22 */ "EINVAL",
1259 
  /* 23 */ "ENFILE",
1260 
  /* 24 */ "EMFILE",
1261 
  /* 25 */ "ENOTTY",
1262 
  /* 26 */ "ETXTBSY",
1263 
  /* 27 */ "EFBIG",
1264 
  /* 28 */ "ENOSPC",
1265 
  /* 29 */ "ESPIPE",
1266 
  /* 30 */ "EROFS",
1267 
  /* 31 */ "EMLINK",
1268 
  /* 32 */ "EPIPE",
1269 
  /* 33 */ "EDOM",
1270 
  /* 34 */ "ERANGE",
1271 
  /* 35 */ "EAGAIN",
1272 
  /* 36 */ "EINPROGRESS",
1273 
  /* 37 */ "EALREADY",
1274 
  /* 38 */ "ENOTSOCK",
1275 
  /* 39 */ "EDESTADDRREQ",
1276 
  /* 40 */ "EMSGSIZE",
1277 
  /* 41 */ "EPROTOTYPE",
1278 
  /* 42 */ "ENOPROTOOPT",
1279 
  /* 43 */ "EPROTONOSUPPORT",
1280 
  /* 44 */ "ESOCKTNOSUPPORT",
1281 
  /* 45 */ "EOPNOTSUPP",
1282 
  /* 46 */ "EPFNOSUPPORT",
1283 
  /* 47 */ "EAFNOSUPPORT",
1284 
  /* 48 */ "EADDRINUSE",
1285 
  /* 49 */ "EADDRNOTAVAIL",
1286 
  /* 50 */ "ENETDOWN",
1287 
  /* 51 */ "ENETUNREACH",
1288 
  /* 52 */ "ENETRESET",
1289 
  /* 53 */ "ECONNABORTED",
1290 
  /* 54 */ "ECONNRESET",
1291 
  /* 55 */ "ENOBUFS",
1292 
  /* 56 */ "EISCONN",
1293 
  /* 57 */ "ENOTCONN",
1294 
  /* 58 */ "ESHUTDOWN",
1295 
  /* 59 */ "ETOOMANYREFS",
1296 
  /* 60 */ "ETIMEDOUT",
1297 
  /* 61 */ "ECONNREFUSED",
1298 
  /* 62 */ "ELOOP",
1299 
  /* 63 */ "ENAMETOOLONG",
1300 
  /* 64 */ "EHOSTDOWN",
1301 
  /* 65 */ "EHOSTUNREACH",
1302 
  /* 66 */ "ENOTEMPTY",
1303 
  /* 67 */ "EPROCLIM",
1304 
  /* 68 */ "EUSERS",
1305 
  /* 69 */ "EDQUOT",
1306 
  /* 70 */ "ESTALE",
1307 
  /* 71 */ "EREMOTE",
1308 
  /* 72 */ "EBADRPC",
1309 
  /* 73 */ "ERPCMISMATCH",
1310 
  /* 74 */ "EPROGUNAVAIL",
1311 
  /* 75 */ "EPROGMISMATCH",
1312 
  /* 76 */ "EPROCUNAVAIL",
1313 
  /* 77 */ "ENOLCK",
1314 
  /* 78 */ "ENOSYS",
1315 
  /* 79 */ "EFTYPE",
1316 
  /* 80 */ "EAUTH",
1317 
  /* 81 */ "ENEEDAUTH",
1318 
  /* 81 */ "ELAST",
1319 
};
1320 
 
1321 
static char *(netbsd_signal_names[]) = {
1322 
  /* 0 */ 0,
1323 
  /* 1 */ "SIGHUP",
1324 
  /* 2 */ "SIGINT",
1325 
  /* 3 */ "SIGQUIT",
1326 
  /* 4 */ "SIGILL",
1327 
  /* 5 */ "SIGTRAP",
1328 
  /* 6 */ "SIGABRT",
1329 
  /* 7 */ "SIGEMT",
1330 
  /* 8 */ "SIGFPE",
1331 
  /* 9 */ "SIGKILL",
1332 
  /* 10 */ "SIGBUS",
1333 
  /* 11 */ "SIGSEGV",
1334 
  /* 12 */ "SIGSYS",
1335 
  /* 13 */ "SIGPIPE",
1336 
  /* 14 */ "SIGALRM",
1337 
  /* 15 */ "SIGTERM",
1338 
  /* 16 */ "SIGURG",
1339 
  /* 17 */ "SIGSTOP",
1340 
  /* 18 */ "SIGTSTP",
1341 
  /* 19 */ "SIGCONT",
1342 
  /* 20 */ "SIGCHLD",
1343 
  /* 21 */ "SIGTTIN",
1344 
  /* 22 */ "SIGTTOU",
1345 
  /* 23 */ "SIGIO",
1346 
  /* 24 */ "SIGXCPU",
1347 
  /* 25 */ "SIGXFSZ",
1348 
  /* 26 */ "SIGVTALRM",
1349 
  /* 27 */ "SIGPROF",
1350 
  /* 28 */ "SIGWINCH",
1351 
  /* 29 */ "SIGINFO",
1352 
  /* 30 */ "SIGUSR1",
1353 
  /* 31 */ "SIGUSR2",
1354 
};
1355 
 
1356 
static emul_syscall emul_netbsd_syscalls = {
1357 
  netbsd_descriptors,
1358 
  sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
1359 
  netbsd_error_names,
1360 
  sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
1361 
  netbsd_signal_names,
1362 
  sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
1363 
};
1364 
 
1365 
 
1366 
/* NetBSD's os_emul interface, most are just passed on to the generic
1367 
   syscall stuff */
1368 
 
1369 
static os_emul_data *
1370 
emul_netbsd_create(device *root,
1371 
                   bfd *image,
1372 
                   const char *name)
1373 
{
1374 
  unsigned_word top_of_stack;
1375 
  unsigned stack_size;
1376 
  int elf_binary;
1377 
  os_emul_data *bsd_data;
1378 
  device *vm;
1379 
 
1380 
  /* check that this emulation is really for us */
1381 
  if (name != NULL && strcmp(name, "netbsd") != 0)
1382 
    return NULL;
1383 
  if (image == NULL)
1384 
    return NULL;
1385 
 
1386 
 
1387 
  /* merge any emulation specific entries into the device tree */
1388 
 
1389 
  /* establish a few defaults */
1390 
  if (image->xvec->flavour == bfd_target_elf_flavour) {
1391 
    elf_binary = 1;
1392 
    top_of_stack = 0xe0000000;
1393 
    stack_size =   0x00100000;
1394 
  }
1395 
  else {
1396 
    elf_binary = 0;
1397 
    top_of_stack = 0x20000000;
1398 
    stack_size =   0x00100000;
1399 
  }
1400 
 
1401 
  /* options */
1402 
  emul_add_tree_options(root, image, "netbsd",
1403 
                        (WITH_ENVIRONMENT == USER_ENVIRONMENT
1404 
                         ? "user" : "virtual"),
1405 
 
1406 
 
1407 
  /* virtual memory - handles growth of stack/heap */
1408 
  vm = tree_parse(root, "/openprom/vm");
1409 
  tree_parse(vm, "./stack-base 0x%lx",
1410 
             (unsigned long)(top_of_stack - stack_size));
1411 
  tree_parse(vm, "./nr-bytes 0x%x", stack_size);
1412 
 
1413 
  tree_parse(root, "/openprom/vm/map-binary/file-name %s",
1414 
             bfd_get_filename(image));
1415 
 
1416 
  /* finish the init */
1417 
  tree_parse(root, "/openprom/init/register/pc 0x%lx",
1418 
             (unsigned long)bfd_get_start_address(image));
1419 
  tree_parse(root, "/openprom/init/register/sp 0x%lx",
1420 
             (unsigned long)top_of_stack);
1421 
  tree_parse(root, "/openprom/init/register/msr 0x%x",
1422 
             ((tree_find_boolean_property(root, "/options/little-endian?")
1423 
               ? msr_little_endian_mode
1424 
               : 0)
1425 
              | (tree_find_boolean_property(root, "/openprom/options/floating-point?")
1426 
                 ? (msr_floating_point_available
1427 
                    | msr_floating_point_exception_mode_0
1428 
                    | msr_floating_point_exception_mode_1)
1429 
                 : 0)));
1430 
  tree_parse(root, "/openprom/init/stack/stack-type %s",
1431 
             (elf_binary ? "ppc-elf" : "ppc-xcoff"));
1432 
 
1433 
  /* finally our emulation data */
1434 
  bsd_data = ZALLOC(os_emul_data);
1435 
  bsd_data->vm = vm;
1436 
  bsd_data->syscalls = &emul_netbsd_syscalls;
1437 
  return bsd_data;
1438 
}
1439 
 
1440 
static void
1441 
emul_netbsd_init(os_emul_data *emul_data,
1442 
                 int nr_cpus)
1443 
{
1444 
  /* nothing yet */
1445 
}
1446 
 
1447 
static void
1448 
emul_netbsd_system_call(cpu *processor,
1449 
                        unsigned_word cia,
1450 
                        os_emul_data *emul_data)
1451 
{
1452 
  emul_do_system_call(emul_data,
1453 
                      emul_data->syscalls,
1454 
                      cpu_registers(processor)->gpr[0],
1455 
                      3, /*r3 contains arg0*/
1456 
                      processor,
1457 
                      cia);
1458 
}
1459 
 
1460 
const os_emul emul_netbsd = {
1461 
  "netbsd",
1462 
  emul_netbsd_create,
1463 
  emul_netbsd_init,
1464 
  emul_netbsd_system_call,
1465 
  0, /*instruction_call*/
1466 
 
1467 
};
1468 
 
1469 
#endif _EMUL_NETBSD_C_

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