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* symbols.c (fb_label_name): Allow an augend of 2 for mmix.
[deliverable/binutils-gdb.git] / sim / ppc / emul_netbsd.c
CommitLineData
c906108c
SS		 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>
c6631388 45#include <errno.h>
c906108c
SS		 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>
58int 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>
c6631388 95#include <sys/mount.h>
c906108c 96extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
1f362c96
AC		 97
98/* NetBSD post 2.0 has the statfs system call (if COMPAT_20), but does
99 not have struct statfs. In this case don't implement fstatfs.
100 FIXME: Should implement fstatvfs. */
101#ifndef HAVE_STRUCT_STATFS
102#undef HAVE_FSTATFS
103#endif
104
c906108c
SS		 105#else
106
107/* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
108#undef HAVE_FSTATFS
109#undef HAVE_GETDIRENTRIES
110#endif
111
112#if (BSD < 199306) /* here BSD as just a bug */
113extern int errno;
114#endif
115
116#ifndef STATIC_INLINE_EMUL_NETBSD
117#define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
118#endif
119
120
121#if WITH_NetBSD_HOST
122#define SYS(X) ASSERT(call == (SYS_##X))
123#else
124#define SYS(X)
125#endif
126
127#if WITH_NetBSD_HOST && (PATH_MAX != 1024)
128#error "PATH_MAX not 1024"
129#elif !defined(PATH_MAX)
130#define PATH_MAX 1024
131#endif
132
133
134/* EMULATION
135
136 NetBSD - Emulation of user programs for NetBSD/PPC
137
138 DESCRIPTION
139
140 */
141
142
143/* NetBSD's idea of what is needed to implement emulations */
144
145struct _os_emul_data {
146 device *vm;
147 emul_syscall *syscalls;
148};
149
150
151
152STATIC_INLINE_EMUL_NETBSD void
153write_stat(unsigned_word addr,
154 struct stat buf,
155 cpu *processor,
156 unsigned_word cia)
157{
158 H2T(buf.st_dev);
159 H2T(buf.st_ino);
160 H2T(buf.st_mode);
161 H2T(buf.st_nlink);
162 H2T(buf.st_uid);
163 H2T(buf.st_gid);
164 H2T(buf.st_size);
165 H2T(buf.st_atime);
166 /* H2T(buf.st_spare1); */
167 H2T(buf.st_mtime);
168 /* H2T(buf.st_spare2); */
169 H2T(buf.st_ctime);
170 /* H2T(buf.st_spare3); */
171#ifdef AC_STRUCT_ST_RDEV
172 H2T(buf.st_rdev);
173#endif
174#ifdef AC_STRUCT_ST_BLKSIZE
175 H2T(buf.st_blksize);
176#endif
177#ifdef AC_STRUCT_ST_BLOCKS
178 H2T(buf.st_blocks);
179#endif
180#if WITH_NetBSD_HOST
181 H2T(buf.st_flags);
182 H2T(buf.st_gen);
183#endif
184 emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
185}
186
187
188#ifdef HAVE_FSTATFS
189STATIC_INLINE_EMUL_NETBSD void
190write_statfs(unsigned_word addr,
191 struct statfs buf,
192 cpu *processor,
193 unsigned_word cia)
194{
195 H2T(buf.f_type);
196 H2T(buf.f_flags);
197 H2T(buf.f_bsize);
198 H2T(buf.f_iosize);
199 H2T(buf.f_blocks);
200 H2T(buf.f_bfree);
201 H2T(buf.f_bavail);
202 H2T(buf.f_files);
203 H2T(buf.f_ffree);
204 H2T(buf.f_fsid.val[0]);
205 H2T(buf.f_fsid.val[1]);
206 H2T(buf.f_owner);
207 /* f_spare[4]; */
208 /* f_fstypename[MFSNAMELEN]; */
209 /* f_mntonname[MNAMELEN]; */
210 /* f_mntfromname[MNAMELEN]; */
211 emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
212}
213#endif
214
215
216STATIC_INLINE_EMUL_NETBSD void
217write_timeval(unsigned_word addr,
218 struct timeval t,
219 cpu *processor,
220 unsigned_word cia)
221{
222 H2T(t.tv_sec);
223 H2T(t.tv_usec);
224 emul_write_buffer(&t, addr, sizeof(t), processor, cia);
225}
226
227
228STATIC_INLINE_EMUL_NETBSD void
229write_timezone(unsigned_word addr,
230 struct timezone tz,
231 cpu *processor,
232 unsigned_word cia)
233{
234 H2T(tz.tz_minuteswest);
235 H2T(tz.tz_dsttime);
236 emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
237}
238
239
240#ifdef HAVE_GETDIRENTRIES
241STATIC_INLINE_EMUL_NETBSD void
242write_direntries(unsigned_word addr,
243 char *buf,
244 int nbytes,
245 cpu *processor,
246 unsigned_word cia)
247{
248 while (nbytes > 0) {
249 struct dirent *out;
250 struct dirent *in = (struct dirent*)buf;
251 ASSERT(in->d_reclen <= nbytes);
252 out = (struct dirent*)zalloc(in->d_reclen);
253 memcpy(out/*dest*/, in/*src*/, in->d_reclen);
254 H2T(out->d_fileno);
255 H2T(out->d_reclen);
256 H2T(out->d_type);
257 H2T(out->d_namlen);
258 emul_write_buffer(out, addr, in->d_reclen, processor, cia);
259 nbytes -= in->d_reclen;
260 addr += in->d_reclen;
261 buf += in->d_reclen;
262 zfree(out);
263 }
264}
265#endif
266
267
268#ifdef HAVE_GETRUSAGE
269STATIC_INLINE_EMUL_NETBSD void
270write_rusage(unsigned_word addr,
271 struct rusage rusage,
272 cpu *processor,
273 unsigned_word cia)
274{
275 H2T(rusage.ru_utime.tv_sec); /* user time used */
276 H2T(rusage.ru_utime.tv_usec);
277 H2T(rusage.ru_stime.tv_sec); /* system time used */
278 H2T(rusage.ru_stime.tv_usec);
279 H2T(rusage.ru_maxrss); /* integral max resident set size */
280 H2T(rusage.ru_ixrss); /* integral shared text memory size */
281 H2T(rusage.ru_idrss); /* integral unshared data size */
282 H2T(rusage.ru_isrss); /* integral unshared stack size */
283 H2T(rusage.ru_minflt); /* page reclaims */
284 H2T(rusage.ru_majflt); /* page faults */
285 H2T(rusage.ru_nswap); /* swaps */
286 H2T(rusage.ru_inblock); /* block input operations */
287 H2T(rusage.ru_oublock); /* block output operations */
288 H2T(rusage.ru_msgsnd); /* messages sent */
289 H2T(rusage.ru_msgrcv); /* messages received */
290 H2T(rusage.ru_nsignals); /* signals received */
291 H2T(rusage.ru_nvcsw); /* voluntary context switches */
292 H2T(rusage.ru_nivcsw); /* involuntary context switches */
293 emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
294}
295#endif
296
297static void
298do_exit(os_emul_data *emul,
299 unsigned call,
300 const int arg0,
301 cpu *processor,
302 unsigned_word cia)
303{
304 int status = (int)cpu_registers(processor)->gpr[arg0];
305 SYS(exit);
306 if (WITH_TRACE && ppc_trace[trace_os_emul])
307 printf_filtered ("%d)\n", status);
308
309 cpu_halt(processor, cia, was_exited, status);
310}
311
312
313static void
314do_read(os_emul_data *emul,
315 unsigned call,
316 const int arg0,
317 cpu *processor,
318 unsigned_word cia)
319{
320 void *scratch_buffer;
321 int d = (int)cpu_registers(processor)->gpr[arg0];
322 unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
323 int nbytes = cpu_registers(processor)->gpr[arg0+2];
324 int status;
325 SYS(read);
326
327 if (WITH_TRACE && ppc_trace[trace_os_emul])
328 printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
329
330 /* get a tempoary bufer */
331 scratch_buffer = zalloc(nbytes);
332
333 /* check if buffer exists by reading it */
334 emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
335
336 /* read */
337#if 0
338 if (d == 0) {
339 status = fread (scratch_buffer, 1, nbytes, stdin);
340 if (status == 0 && ferror (stdin))
341 status = -1;
342 }
343#endif
344 status = read (d, scratch_buffer, nbytes);
345
346 emul_write_status(processor, status, errno);
347 if (status > 0)
348 emul_write_buffer(scratch_buffer, buf, status, processor, cia);
349
350 zfree(scratch_buffer);
351}
352
353
354static void
355do_write(os_emul_data *emul,
356 unsigned call,
357 const int arg0,
358 cpu *processor,
359 unsigned_word cia)
360{
361 void *scratch_buffer = NULL;
362 int d = (int)cpu_registers(processor)->gpr[arg0];
363 unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
364 int nbytes = cpu_registers(processor)->gpr[arg0+2];
365 int status;
366 SYS(write);
367
368 if (WITH_TRACE && ppc_trace[trace_os_emul])
369 printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
370
371 /* get a tempoary bufer */
372 scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
373
374 /* copy in */
375 emul_read_buffer(scratch_buffer, buf, nbytes,
376 processor, cia);
377
378 /* write */
379 status = write(d, scratch_buffer, nbytes);
380 emul_write_status(processor, status, errno);
381 zfree(scratch_buffer);
382
383 flush_stdoutput();
384}
385
386
387static void
388do_open(os_emul_data *emul,
389 unsigned call,
390 const int arg0,
391 cpu *processor,
392 unsigned_word cia)
393{
394 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
395 char path_buf[PATH_MAX];
396 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
397 int flags = (int)cpu_registers(processor)->gpr[arg0+1];
398 int mode = (int)cpu_registers(processor)->gpr[arg0+2];
428e1889 399 int hostflags;
c906108c
SS		 400 int status;
401
402 if (WITH_TRACE && ppc_trace[trace_os_emul])
403 printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
404
405 SYS(open);
406
428e1889
GK		 407 /* Do some translation on 'flags' to match it to the host's version. */
408 /* These flag values were taken from the NetBSD 1.4 header files. */
409 if ((flags & 3) == 0)
410 hostflags = O_RDONLY;
411 else if ((flags & 3) == 1)
412 hostflags = O_WRONLY;
413 else
414 hostflags = O_RDWR;
415 if (flags & 0x00000008)
416 hostflags |= O_APPEND;
417 if (flags & 0x00000200)
418 hostflags |= O_CREAT;
419 if (flags & 0x00000400)
420 hostflags |= O_TRUNC;
421 if (flags & 0x00000800)
422 hostflags |= O_EXCL;
423
c906108c 424 /* Can't combine these statements, cuz open sets errno. */
428e1889 425 status = open(path, hostflags, mode);
c906108c
SS		 426 emul_write_status(processor, status, errno);
427}
428
429
430static void
431do_close(os_emul_data *emul,
432 unsigned call,
433 const int arg0,
434 cpu *processor,
435 unsigned_word cia)
436{
437 int d = (int)cpu_registers(processor)->gpr[arg0];
438 int status;
439
440 if (WITH_TRACE && ppc_trace[trace_os_emul])
441 printf_filtered ("%d", d);
442
443 SYS(close);
444
445 /* Can't combine these statements, cuz close sets errno. */
446 status = close(d);
447 emul_write_status(processor, status, errno);
448}
449
450
451static void
452do_break(os_emul_data *emul,
453 unsigned call,
454 const int arg0,
455 cpu *processor,
456 unsigned_word cia)
457{
458 /* just pass this onto the `vm' device */
459 unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
460 int status;
461
462 if (WITH_TRACE && ppc_trace[trace_os_emul])
463 printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
464
465 SYS(break);
466 status = device_ioctl(emul->vm,
467 processor,
468 cia,
469 device_ioctl_break,
470 new_break); /*ioctl-data*/
471 emul_write_status(processor, 0, status);
472}
473
474
475#ifndef HAVE_GETPID
476#define do_getpid 0
477#else
478static void
479do_getpid(os_emul_data *emul,
480 unsigned call,
481 const int arg0,
482 cpu *processor,
483 unsigned_word cia)
484{
485 SYS(getpid);
486 emul_write_status(processor, (int)getpid(), 0);
487}
488#endif
489
490#ifndef HAVE_GETUID
491#define do_getuid 0
492#else
493static void
494do_getuid(os_emul_data *emul,
495 unsigned call,
496 const int arg0,
497 cpu *processor,
498 unsigned_word cia)
499{
500 SYS(getuid);
501 emul_write_status(processor, (int)getuid(), 0);
502}
503#endif
504
505#ifndef HAVE_GETEUID
506#define do_geteuid 0
507#else
508static void
509do_geteuid(os_emul_data *emul,
510 unsigned call,
511 const int arg0,
512 cpu *processor,
513 unsigned_word cia)
514{
515 SYS(geteuid);
516 emul_write_status(processor, (int)geteuid(), 0);
517}
518#endif
519
520#ifndef HAVE_KILL
521#define do_kill 0
522#else
523static void
524do_kill(os_emul_data *emul,
525 unsigned call,
526 const int arg0,
527 cpu *processor,
528 unsigned_word cia)
529{
530 pid_t pid = cpu_registers(processor)->gpr[arg0];
531 int sig = cpu_registers(processor)->gpr[arg0+1];
532
533 if (WITH_TRACE && ppc_trace[trace_os_emul])
534 printf_filtered ("%d, %d", (int)pid, sig);
535
536 SYS(kill);
537 printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
538 (long)cia);
539 cpu_halt(processor, cia, was_signalled, sig);
540}
541#endif
542
543#ifndef HAVE_DUP
544#define do_dup 0
545#else
546static void
547do_dup(os_emul_data *emul,
548 unsigned call,
549 const int arg0,
550 cpu *processor,
551 unsigned_word cia)
552{
553 int oldd = cpu_registers(processor)->gpr[arg0];
554 int status = dup(oldd);
555 int err = errno;
556
557 if (WITH_TRACE && ppc_trace[trace_os_emul])
558 printf_filtered ("%d", oldd);
559
560 SYS(dup);
561 emul_write_status(processor, status, err);
562}
563#endif
564
565#ifndef HAVE_GETEGID
566#define do_getegid 0
567#else
568static void
569do_getegid(os_emul_data *emul,
570 unsigned call,
571 const int arg0,
572 cpu *processor,
573 unsigned_word cia)
574{
575 SYS(getegid);
576 emul_write_status(processor, (int)getegid(), 0);
577}
578#endif
579
580#ifndef HAVE_GETGID
581#define do_getgid 0
582#else
583static void
584do_getgid(os_emul_data *emul,
585 unsigned call,
586 const int arg0,
587 cpu *processor,
588 unsigned_word cia)
589{
590 SYS(getgid);
591 emul_write_status(processor, (int)getgid(), 0);
592}
593#endif
594
595#ifndef HAVE_SIGPROCMASK
596#define do_sigprocmask 0
597#else
598static void
599do_sigprocmask(os_emul_data *emul,
600 unsigned call,
601 const int arg0,
602 cpu *processor,
603 unsigned_word cia)
604{
605 natural_word how = cpu_registers(processor)->gpr[arg0];
606 unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
607 unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
c6631388 608#ifdef SYS_sigprocmask
c906108c 609 SYS(sigprocmask);
c6631388 610#endif
c906108c
SS		 611
612 if (WITH_TRACE && ppc_trace[trace_os_emul])
613 printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
614
615 emul_write_status(processor, 0, 0);
616 cpu_registers(processor)->gpr[4] = set;
617}
618#endif
619
620#ifndef HAVE_IOCTL
621#define do_ioctl 0
622#else
623static void
624do_ioctl(os_emul_data *emul,
625 unsigned call,
626 const int arg0,
627 cpu *processor,
628 unsigned_word cia)
629{
630 int d = cpu_registers(processor)->gpr[arg0];
631 unsigned request = cpu_registers(processor)->gpr[arg0+1];
632 unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
633
634#if !WITH_NetBSD_HOST
635 cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
636#else
637 unsigned dir = request & IOC_DIRMASK;
638 int status;
639 SYS(ioctl);
640 /* what we haven't done */
641 if (dir & IOC_IN /* write into the io device */
642 || dir & IOC_OUT
643 || !(dir & IOC_VOID))
644 error("do_ioctl() read or write of parameter not implemented\n");
645 status = ioctl(d, request, NULL);
646 emul_write_status(processor, status, errno);
647#endif
648
649 if (WITH_TRACE && ppc_trace[trace_os_emul])
650 printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
651}
652#endif
653
654#ifndef HAVE_UMASK
655#define do_umask 0
656#else
657static void
658do_umask(os_emul_data *emul,
659 unsigned call,
660 const int arg0,
661 cpu *processor,
662 unsigned_word cia)
663{
664 int mask = cpu_registers(processor)->gpr[arg0];
665
666 if (WITH_TRACE && ppc_trace[trace_os_emul])
667 printf_filtered ("0%o", mask);
668
669 SYS(umask);
670 emul_write_status(processor, umask(mask), 0);
671}
672#endif
673
674#ifndef HAVE_DUP2
675#define do_dup2 0
676#else
677static void
678do_dup2(os_emul_data *emul,
679 unsigned call,
680 const int arg0,
681 cpu *processor,
682 unsigned_word cia)
683{
684 int oldd = cpu_registers(processor)->gpr[arg0];
685 int newd = cpu_registers(processor)->gpr[arg0+1];
686 int status = dup2(oldd, newd);
687 int err = errno;
688
689 if (WITH_TRACE && ppc_trace[trace_os_emul])
690 printf_filtered ("%d, %d", oldd, newd);
691
692 SYS(dup2);
693 emul_write_status(processor, status, err);
694}
695#endif
696
697#ifndef HAVE_FCNTL
698#define do_fcntl 0
699#else
700static void
701do_fcntl(os_emul_data *emul,
702 unsigned call,
703 const int arg0,
704 cpu *processor,
705 unsigned_word cia)
706{
707 int fd = cpu_registers(processor)->gpr[arg0];
708 int cmd = cpu_registers(processor)->gpr[arg0+1];
709 int arg = cpu_registers(processor)->gpr[arg0+2];
710 int status;
711
712 if (WITH_TRACE && ppc_trace[trace_os_emul])
713 printf_filtered ("%d, %d, %d", fd, cmd, arg);
714
715 SYS(fcntl);
716 status = fcntl(fd, cmd, arg);
717 emul_write_status(processor, status, errno);
718}
719#endif
720
721#ifndef HAVE_GETTIMEOFDAY
722#define do_gettimeofday 0
723#else
724static void
725do_gettimeofday(os_emul_data *emul,
726 unsigned call,
727 const int arg0,
728 cpu *processor,
729 unsigned_word cia)
730{
731 unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
732 unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
733 struct timeval t;
734 struct timezone tz;
735 int status = gettimeofday((t_addr != 0 ? &t : NULL),
736 (tz_addr != 0 ? &tz : NULL));
737 int err = errno;
738
739 if (WITH_TRACE && ppc_trace[trace_os_emul])
740 printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
741
742 SYS(gettimeofday);
743 emul_write_status(processor, status, err);
744 if (status == 0) {
745 if (t_addr != 0)
746 write_timeval(t_addr, t, processor, cia);
747 if (tz_addr != 0)
748 write_timezone(tz_addr, tz, processor, cia);
749 }
750}
751#endif
752
753#ifndef HAVE_GETRUSAGE
754#define do_getrusage 0
755#else
756static void
757do_getrusage(os_emul_data *emul,
758 unsigned call,
759 const int arg0,
760 cpu *processor,
761 unsigned_word cia)
762{
763 int who = cpu_registers(processor)->gpr[arg0];
764 unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
765 struct rusage rusage;
766 int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
767 int err = errno;
768
769 if (WITH_TRACE && ppc_trace[trace_os_emul])
770 printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
771
772 SYS(getrusage);
773 emul_write_status(processor, status, err);
774 if (status == 0) {
775 if (rusage_addr != 0)
776 write_rusage(rusage_addr, rusage, processor, cia);
777 }
778}
779#endif
780
781
782#ifndef HAVE_FSTATFS
783#define do_fstatfs 0
784#else
785static void
786do_fstatfs(os_emul_data *emul,
787 unsigned call,
788 const int arg0,
789 cpu *processor,
790 unsigned_word cia)
791{
792 int fd = cpu_registers(processor)->gpr[arg0];
793 unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
794 struct statfs buf;
795 int status;
796
797 if (WITH_TRACE && ppc_trace[trace_os_emul])
798 printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
799
800 SYS(fstatfs);
801 status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
802 emul_write_status(processor, status, errno);
803 if (status == 0) {
804 if (buf_addr != 0)
805 write_statfs(buf_addr, buf, processor, cia);
806 }
807}
808#endif
809
810#ifndef HAVE_STAT
811#define do_stat 0
812#else
813static void
814do_stat(os_emul_data *emul,
815 unsigned call,
816 const int arg0,
817 cpu *processor,
818 unsigned_word cia)
819{
820 char path_buf[PATH_MAX];
821 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
822 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
823 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
824 struct stat buf;
825 int status;
c6631388 826#ifdef SYS_stat
c906108c 827 SYS(stat);
c6631388 828#endif
c906108c
SS		 829 status = stat(path, &buf);
830 emul_write_status(processor, status, errno);
831 if (status == 0)
832 write_stat(stat_buf_addr, buf, processor, cia);
833}
834#endif
835
836#ifndef HAVE_FSTAT
837#define do_fstat 0
838#else
839static void
840do_fstat(os_emul_data *emul,
841 unsigned call,
842 const int arg0,
843 cpu *processor,
844 unsigned_word cia)
845{
846 int fd = cpu_registers(processor)->gpr[arg0];
847 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
848 struct stat buf;
849 int status;
c6631388 850#ifdef SYS_fstat
c906108c 851 SYS(fstat);
c6631388 852#endif
c906108c
SS		 853 /* Can't combine these statements, cuz fstat sets errno. */
854 status = fstat(fd, &buf);
855 emul_write_status(processor, status, errno);
856 write_stat(stat_buf_addr, buf, processor, cia);
857}
858#endif
859
860#ifndef HAVE_LSTAT
861#define do_lstat 0
862#else
863static void
864do_lstat(os_emul_data *emul,
865 unsigned call,
866 const int arg0,
867 cpu *processor,
868 unsigned_word cia)
869{
870 char path_buf[PATH_MAX];
871 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
872 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
873 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
874 struct stat buf;
875 int status;
c6631388 876#ifdef SYS_lstat
c906108c 877 SYS(lstat);
c6631388 878#endif
c906108c
SS		 879 /* Can't combine these statements, cuz lstat sets errno. */
880 status = lstat(path, &buf);
881 emul_write_status(processor, status, errno);
882 write_stat(stat_buf_addr, buf, processor, cia);
883}
884#endif
885
886#ifndef HAVE_GETDIRENTRIES
887#define do_getdirentries 0
888#else
889static void
890do_getdirentries(os_emul_data *emul,
891 unsigned call,
892 const int arg0,
893 cpu *processor,
894 unsigned_word cia)
895{
896 int fd = cpu_registers(processor)->gpr[arg0];
897 unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
898 char *buf;
899 int nbytes = cpu_registers(processor)->gpr[arg0+2];
900 unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
901 long basep;
902 int status;
c6631388 903#ifdef SYS_getdirentries
c906108c 904 SYS(getdirentries);
c6631388 905#endif
c906108c
SS		 906 if (buf_addr != 0 && nbytes >= 0)
907 buf = zalloc(nbytes);
908 else
909 buf = NULL;
910 status = getdirentries(fd,
911 (buf_addr == 0 ? NULL : buf),
912 nbytes,
913 (basep_addr == 0 ? NULL : &basep));
914 emul_write_status(processor, status, errno);
915 if (basep_addr != 0)
916 emul_write_word(basep_addr, basep, processor, cia);
917 if (status > 0)
918 write_direntries(buf_addr, buf, status, processor, cia);
919 if (buf != NULL)
920 zfree(buf);
921}
922#endif
923
924
925static void
926do___syscall(os_emul_data *emul,
927 unsigned call,
928 const int arg0,
929 cpu *processor,
930 unsigned_word cia)
931{
932 SYS(__syscall);
933 emul_do_system_call(emul,
934 emul->syscalls,
935 cpu_registers(processor)->gpr[arg0],
936 arg0 + 1,
937 processor,
938 cia);
939}
940
941#ifndef HAVE_LSEEK
942#define do_lseek 0
943#else
944static void
945do_lseek(os_emul_data *emul,
946 unsigned call,
947 const int arg0,
948 cpu *processor,
949 unsigned_word cia)
950{
951 int fildes = cpu_registers(processor)->gpr[arg0];
952 off_t offset = emul_read_gpr64(processor, arg0+2);
953 int whence = cpu_registers(processor)->gpr[arg0+4];
954 off_t status;
955 SYS(lseek);
956 status = lseek(fildes, offset, whence);
957 if (status == -1)
958 emul_write_status(processor, -1, errno);
959 else {
960 emul_write_status(processor, 0, 0); /* success */
961 emul_write_gpr64(processor, 3, status);
962 }
963}
964#endif
965
966static void
967do___sysctl(os_emul_data *emul,
968 unsigned call,
969 const int arg0,
970 cpu *processor,
971 unsigned_word cia)
972{
973 /* call the arguments by their real name */
974 unsigned_word name = cpu_registers(processor)->gpr[arg0];
975 natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
976 unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
977 unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
978 natural_word oldlen;
979 natural_word mib;
980 natural_word int_val;
981 SYS(__sysctl);
982
983 /* pluck out the management information base id */
984 if (namelen < 1)
985 error("system_call()SYS___sysctl bad name[0]\n");
986 mib = vm_data_map_read_word(cpu_data_map(processor),
987 name,
988 processor,
989 cia);
990 name += sizeof(mib);
991
992 /* see what to do with it ... */
993 switch ((int)mib) {
994 case 6/*CTL_HW*/:
995#if WITH_NetBSD_HOST && (CTL_HW != 6)
996# error "CTL_HW"
997#endif
998 if (namelen < 2)
999 error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
1000 mib = vm_data_map_read_word(cpu_data_map(processor),
1001 name,
1002 processor,
1003 cia);
1004 name += sizeof(mib);
1005 switch ((int)mib) {
1006 case 7/*HW_PAGESIZE*/:
1007#if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
1008# error "HW_PAGESIZE"
1009#endif
1010 oldlen = vm_data_map_read_word(cpu_data_map(processor),
1011 oldlenp,
1012 processor,
1013 cia);
1014 if (sizeof(natural_word) > oldlen)
1015 error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
1016 int_val = 8192;
1017 oldlen = sizeof(int_val);
1018 emul_write_word(oldp, int_val, processor, cia);
1019 emul_write_word(oldlenp, oldlen, processor, cia);
1020 break;
1021 default:
1022 error("sysctl() CTL_HW.%d unknown\n", mib);
1023 break;
1024 }
1025 break;
1026 default:
1027 error("sysctl() name[0]=%d unknown\n", (int)mib);
1028 break;
1029 }
1030 emul_write_status(processor, 0, 0); /* always succeed */
1031}
1032
1033
1034
1035static emul_syscall_descriptor netbsd_descriptors[] = {
1036 /* 0 */ { 0, "syscall" },
1037 /* 1 */ { do_exit, "exit" },
1038 /* 2 */ { 0, "fork" },
1039 /* 3 */ { do_read, "read" },
1040 /* 4 */ { do_write, "write" },
1041 /* 5 */ { do_open, "open" },
1042 /* 6 */ { do_close, "close" },
1043 /* 7 */ { 0, "wait4" },
1044 { 0, }, /* 8 is old creat */
1045 /* 9 */ { 0, "link" },
1046 /* 10 */ { 0, "unlink" },
1047 { 0, }, /* 11 is obsolete execv */
1048 /* 12 */ { 0, "chdir" },
1049 /* 13 */ { 0, "fchdir" },
1050 /* 14 */ { 0, "mknod" },
1051 /* 15 */ { 0, "chmod" },
1052 /* 16 */ { 0, "chown" },
1053 /* 17 */ { do_break, "break" },
1054 /* 18 */ { 0, "getfsstat" },
1055 { 0, }, /* 19 is old lseek */
1056 /* 20 */ { do_getpid, "getpid" },
1057 /* 21 */ { 0, "mount" },
1058 /* 22 */ { 0, "unmount" },
1059 /* 23 */ { 0, "setuid" },
1060 /* 24 */ { do_getuid, "getuid" },
1061 /* 25 */ { do_geteuid, "geteuid" },
1062 /* 26 */ { 0, "ptrace" },
1063 /* 27 */ { 0, "recvmsg" },
1064 /* 28 */ { 0, "sendmsg" },
1065 /* 29 */ { 0, "recvfrom" },
1066 /* 30 */ { 0, "accept" },
1067 /* 31 */ { 0, "getpeername" },
1068 /* 32 */ { 0, "getsockname" },
1069 /* 33 */ { 0, "access" },
1070 /* 34 */ { 0, "chflags" },
1071 /* 35 */ { 0, "fchflags" },
1072 /* 36 */ { 0, "sync" },
1073 /* 37 */ { do_kill, "kill" },
1074 { 0, }, /* 38 is old stat */
1075 /* 39 */ { 0, "getppid" },
1076 { 0, }, /* 40 is old lstat */
1077 /* 41 */ { do_dup, "dup" },
1078 /* 42 */ { 0, "pipe" },
1079 /* 43 */ { do_getegid, "getegid" },
1080 /* 44 */ { 0, "profil" },
1081 /* 45 */ { 0, "ktrace" },
1082 /* 46 */ { 0, "sigaction" },
1083 /* 47 */ { do_getgid, "getgid" },
1084 /* 48 */ { do_sigprocmask, "sigprocmask" },
1085 /* 49 */ { 0, "getlogin" },
1086 /* 50 */ { 0, "setlogin" },
1087 /* 51 */ { 0, "acct" },
1088 /* 52 */ { 0, "sigpending" },
1089 /* 53 */ { 0, "sigaltstack" },
1090 /* 54 */ { do_ioctl, "ioctl" },
1091 /* 55 */ { 0, "reboot" },
1092 /* 56 */ { 0, "revoke" },
1093 /* 57 */ { 0, "symlink" },
1094 /* 58 */ { 0, "readlink" },
1095 /* 59 */ { 0, "execve" },
1096 /* 60 */ { do_umask, "umask" },
1097 /* 61 */ { 0, "chroot" },
1098 { 0, }, /* 62 is old fstat */
1099 { 0, }, /* 63 is old getkerninfo */
1100 { 0, }, /* 64 is old getpagesize */
1101 /* 65 */ { 0, "msync" },
1102 /* 66 */ { 0, "vfork" },
1103 { 0, }, /* 67 is obsolete vread */
1104 { 0, }, /* 68 is obsolete vwrite */
1105 /* 69 */ { 0, "sbrk" },
1106 /* 70 */ { 0, "sstk" },
1107 { 0, }, /* 71 is old mmap */
1108 /* 72 */ { 0, "vadvise" },
1109 /* 73 */ { 0, "munmap" },
1110 /* 74 */ { 0, "mprotect" },
1111 /* 75 */ { 0, "madvise" },
1112 { 0, }, /* 76 is obsolete vhangup */
1113 { 0, }, /* 77 is obsolete vlimit */
1114 /* 78 */ { 0, "mincore" },
1115 /* 79 */ { 0, "getgroups" },
1116 /* 80 */ { 0, "setgroups" },
1117 /* 81 */ { 0, "getpgrp" },
1118 /* 82 */ { 0, "setpgid" },
1119 /* 83 */ { 0, "setitimer" },
1120 { 0, }, /* 84 is old wait */
1121 /* 85 */ { 0, "swapon" },
1122 /* 86 */ { 0, "getitimer" },
1123 { 0, }, /* 87 is old gethostname */
1124 { 0, }, /* 88 is old sethostname */
1125 { 0, }, /* 89 is old getdtablesize */
1126 { do_dup2, "dup2" },
1127 { 0, }, /* 91 */
1128 /* 92 */ { do_fcntl, "fcntl" },
1129 /* 93 */ { 0, "select" },
1130 { 0, }, /* 94 */
1131 /* 95 */ { 0, "fsync" },
1132 /* 96 */ { 0, "setpriority" },
1133 /* 97 */ { 0, "socket" },
1134 /* 98 */ { 0, "connect" },
1135 { 0, }, /* 99 is old accept */
1136 /* 100 */ { 0, "getpriority" },
1137 { 0, }, /* 101 is old send */
1138 { 0, }, /* 102 is old recv */
1139 /* 103 */ { 0, "sigreturn" },
1140 /* 104 */ { 0, "bind" },
1141 /* 105 */ { 0, "setsockopt" },
1142 /* 106 */ { 0, "listen" },
1143 { 0, }, /* 107 is obsolete vtimes */
1144 { 0, }, /* 108 is old sigvec */
1145 { 0, }, /* 109 is old sigblock */
1146 { 0, }, /* 110 is old sigsetmask */
1147 /* 111 */ { 0, "sigsuspend" },
1148 { 0, }, /* 112 is old sigstack */
1149 { 0, }, /* 113 is old recvmsg */
1150 { 0, }, /* 114 is old sendmsg */
1151 /* - is obsolete vtrace */ { 0, "vtrace 115" },
1152 /* 116 */ { do_gettimeofday, "gettimeofday" },
1153 /* 117 */ { do_getrusage, "getrusage" },
1154 /* 118 */ { 0, "getsockopt" },
1155 /* 119 */ { 0, "resuba" },
1156 /* 120 */ { 0, "readv" },
1157 /* 121 */ { 0, "writev" },
1158 /* 122 */ { 0, "settimeofday" },
1159 /* 123 */ { 0, "fchown" },
1160 /* 124 */ { 0, "fchmod" },
1161 { 0, }, /* 125 is old recvfrom */
1162 { 0, }, /* 126 is old setreuid */
1163 { 0, }, /* 127 is old setregid */
1164 /* 128 */ { 0, "rename" },
1165 { 0, }, /* 129 is old truncate */
1166 { 0, }, /* 130 is old ftruncate */
1167 /* 131 */ { 0, "flock" },
1168 /* 132 */ { 0, "mkfifo" },
1169 /* 133 */ { 0, "sendto" },
1170 /* 134 */ { 0, "shutdown" },
1171 /* 135 */ { 0, "socketpair" },
1172 /* 136 */ { 0, "mkdir" },
1173 /* 137 */ { 0, "rmdir" },
1174 /* 138 */ { 0, "utimes" },
1175 { 0, }, /* 139 is obsolete 4.2 sigreturn */
1176 /* 140 */ { 0, "adjtime" },
1177 { 0, }, /* 141 is old getpeername */
1178 { 0, }, /* 142 is old gethostid */
1179 { 0, }, /* 143 is old sethostid */
1180 { 0, }, /* 144 is old getrlimit */
1181 { 0, }, /* 145 is old setrlimit */
1182 { 0, }, /* 146 is old killpg */
1183 /* 147 */ { 0, "setsid" },
1184 /* 148 */ { 0, "quotactl" },
1185 { 0, }, /* 149 is old quota */
1186 { 0, }, /* 150 is old getsockname */
1187 { 0, }, /* 151 */
1188 { 0, }, /* 152 */
1189 { 0, }, /* 153 */
1190 { 0, }, /* 154 */
1191 /* 155 */ { 0, "nfssvc" },
1192 { 0, }, /* 156 is old getdirentries */
1193 /* 157 */ { 0, "statfs" },
1194 /* 158 */ { do_fstatfs, "fstatfs" },
1195 { 0, }, /* 159 */
1196 { 0, }, /* 160 */
1197 /* 161 */ { 0, "getfh" },
1198 { 0, }, /* 162 is old getdomainname */
1199 { 0, }, /* 163 is old setdomainname */
1200 { 0, }, /* 164 is old uname */
1201 /* 165 */ { 0, "sysarch" },
1202 { 0, }, /* 166 */
1203 { 0, }, /* 167 */
1204 { 0, }, /* 168 */
1205 /* 169 */ { 0, "semsys" },
1206 /* 170 */ { 0, "msgsys" },
1207 /* 171 */ { 0, "shmsys" },
1208 { 0, }, /* 172 */
1209 { 0, }, /* 173 */
1210 { 0, }, /* 174 */
1211 { 0, }, /* 175 */
1212 { 0, }, /* 176 */
1213 { 0, }, /* 177 */
1214 { 0, }, /* 178 */
1215 { 0, }, /* 179 */
1216 { 0, }, /* 180 */
1217 /* 181 */ { 0, "setgid" },
1218 /* 182 */ { 0, "setegid" },
1219 /* 183 */ { 0, "seteuid" },
1220 /* 184 */ { 0, "lfs_bmapv" },
1221 /* 185 */ { 0, "lfs_markv" },
1222 /* 186 */ { 0, "lfs_segclean" },
1223 /* 187 */ { 0, "lfs_segwait" },
1224 /* 188 */ { do_stat, "stat" },
1225 /* 189 */ { do_fstat, "fstat" },
1226 /* 190 */ { do_lstat, "lstat" },
1227 /* 191 */ { 0, "pathconf" },
1228 /* 192 */ { 0, "fpathconf" },
1229 { 0, }, /* 193 */
1230 /* 194 */ { 0, "getrlimit" },
1231 /* 195 */ { 0, "setrlimit" },
1232 /* 196 */ { do_getdirentries, "getdirentries" },
1233 /* 197 */ { 0, "mmap" },
1234 /* 198 */ { do___syscall, "__syscall" },
1235 /* 199 */ { do_lseek, "lseek" },
1236 /* 200 */ { 0, "truncate" },
1237 /* 201 */ { 0, "ftruncate" },
1238 /* 202 */ { do___sysctl, "__sysctl" },
1239 /* 203 */ { 0, "mlock" },
1240 /* 204 */ { 0, "munlock" },
1241};
1242
1243static char *(netbsd_error_names[]) = {
1244 /* 0 */ "ESUCCESS",
1245 /* 1 */ "EPERM",
1246 /* 2 */ "ENOENT",
1247 /* 3 */ "ESRCH",
1248 /* 4 */ "EINTR",
1249 /* 5 */ "EIO",
1250 /* 6 */ "ENXIO",
1251 /* 7 */ "E2BIG",
1252 /* 8 */ "ENOEXEC",
1253 /* 9 */ "EBADF",
1254 /* 10 */ "ECHILD",
1255 /* 11 */ "EDEADLK",
1256 /* 12 */ "ENOMEM",
1257 /* 13 */ "EACCES",
1258 /* 14 */ "EFAULT",
1259 /* 15 */ "ENOTBLK",
1260 /* 16 */ "EBUSY",
1261 /* 17 */ "EEXIST",
1262 /* 18 */ "EXDEV",
1263 /* 19 */ "ENODEV",
1264 /* 20 */ "ENOTDIR",
1265 /* 21 */ "EISDIR",
1266 /* 22 */ "EINVAL",
1267 /* 23 */ "ENFILE",
1268 /* 24 */ "EMFILE",
1269 /* 25 */ "ENOTTY",
1270 /* 26 */ "ETXTBSY",
1271 /* 27 */ "EFBIG",
1272 /* 28 */ "ENOSPC",
1273 /* 29 */ "ESPIPE",
1274 /* 30 */ "EROFS",
1275 /* 31 */ "EMLINK",
1276 /* 32 */ "EPIPE",
1277 /* 33 */ "EDOM",
1278 /* 34 */ "ERANGE",
1279 /* 35 */ "EAGAIN",
1280 /* 36 */ "EINPROGRESS",
1281 /* 37 */ "EALREADY",
1282 /* 38 */ "ENOTSOCK",
1283 /* 39 */ "EDESTADDRREQ",
1284 /* 40 */ "EMSGSIZE",
1285 /* 41 */ "EPROTOTYPE",
1286 /* 42 */ "ENOPROTOOPT",
1287 /* 43 */ "EPROTONOSUPPORT",
1288 /* 44 */ "ESOCKTNOSUPPORT",
1289 /* 45 */ "EOPNOTSUPP",
1290 /* 46 */ "EPFNOSUPPORT",
1291 /* 47 */ "EAFNOSUPPORT",
1292 /* 48 */ "EADDRINUSE",
1293 /* 49 */ "EADDRNOTAVAIL",
1294 /* 50 */ "ENETDOWN",
1295 /* 51 */ "ENETUNREACH",
1296 /* 52 */ "ENETRESET",
1297 /* 53 */ "ECONNABORTED",
1298 /* 54 */ "ECONNRESET",
1299 /* 55 */ "ENOBUFS",
1300 /* 56 */ "EISCONN",
1301 /* 57 */ "ENOTCONN",
1302 /* 58 */ "ESHUTDOWN",
1303 /* 59 */ "ETOOMANYREFS",
1304 /* 60 */ "ETIMEDOUT",
1305 /* 61 */ "ECONNREFUSED",
1306 /* 62 */ "ELOOP",
1307 /* 63 */ "ENAMETOOLONG",
1308 /* 64 */ "EHOSTDOWN",
1309 /* 65 */ "EHOSTUNREACH",
1310 /* 66 */ "ENOTEMPTY",
1311 /* 67 */ "EPROCLIM",
1312 /* 68 */ "EUSERS",
1313 /* 69 */ "EDQUOT",
1314 /* 70 */ "ESTALE",
1315 /* 71 */ "EREMOTE",
1316 /* 72 */ "EBADRPC",
1317 /* 73 */ "ERPCMISMATCH",
1318 /* 74 */ "EPROGUNAVAIL",
1319 /* 75 */ "EPROGMISMATCH",
1320 /* 76 */ "EPROCUNAVAIL",
1321 /* 77 */ "ENOLCK",
1322 /* 78 */ "ENOSYS",
1323 /* 79 */ "EFTYPE",
1324 /* 80 */ "EAUTH",
1325 /* 81 */ "ENEEDAUTH",
1326 /* 81 */ "ELAST",
1327};
1328
1329static char *(netbsd_signal_names[]) = {
1330 /* 0 */ 0,
1331 /* 1 */ "SIGHUP",
1332 /* 2 */ "SIGINT",
1333 /* 3 */ "SIGQUIT",
1334 /* 4 */ "SIGILL",
1335 /* 5 */ "SIGTRAP",
1336 /* 6 */ "SIGABRT",
1337 /* 7 */ "SIGEMT",
1338 /* 8 */ "SIGFPE",
1339 /* 9 */ "SIGKILL",
1340 /* 10 */ "SIGBUS",
1341 /* 11 */ "SIGSEGV",
1342 /* 12 */ "SIGSYS",
1343 /* 13 */ "SIGPIPE",
1344 /* 14 */ "SIGALRM",
1345 /* 15 */ "SIGTERM",
1346 /* 16 */ "SIGURG",
1347 /* 17 */ "SIGSTOP",
1348 /* 18 */ "SIGTSTP",
1349 /* 19 */ "SIGCONT",
1350 /* 20 */ "SIGCHLD",
1351 /* 21 */ "SIGTTIN",
1352 /* 22 */ "SIGTTOU",
1353 /* 23 */ "SIGIO",
1354 /* 24 */ "SIGXCPU",
1355 /* 25 */ "SIGXFSZ",
1356 /* 26 */ "SIGVTALRM",
1357 /* 27 */ "SIGPROF",
1358 /* 28 */ "SIGWINCH",
1359 /* 29 */ "SIGINFO",
1360 /* 30 */ "SIGUSR1",
1361 /* 31 */ "SIGUSR2",
1362};
1363
1364static emul_syscall emul_netbsd_syscalls = {
1365 netbsd_descriptors,
1366 sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
1367 netbsd_error_names,
1368 sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
1369 netbsd_signal_names,
1370 sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
1371};
1372
1373
1374/* NetBSD's os_emul interface, most are just passed on to the generic
1375 syscall stuff */
1376
1377static os_emul_data *
1378emul_netbsd_create(device *root,
1379 bfd *image,
1380 const char *name)
1381{
1382 unsigned_word top_of_stack;
1383 unsigned stack_size;
1384 int elf_binary;
1385 os_emul_data *bsd_data;
1386 device *vm;
1387
1388 /* check that this emulation is really for us */
1389 if (name != NULL && strcmp(name, "netbsd") != 0)
1390 return NULL;
1391 if (image == NULL)
1392 return NULL;
1393
1394
1395 /* merge any emulation specific entries into the device tree */
1396
1397 /* establish a few defaults */
1398 if (image->xvec->flavour == bfd_target_elf_flavour) {
1399 elf_binary = 1;
1400 top_of_stack = 0xe0000000;
1401 stack_size = 0x00100000;
1402 }
1403 else {
1404 elf_binary = 0;
1405 top_of_stack = 0x20000000;
1406 stack_size = 0x00100000;
1407 }
1408
1409 /* options */
1410 emul_add_tree_options(root, image, "netbsd",
1411 (WITH_ENVIRONMENT == USER_ENVIRONMENT
1412 ? "user" : "virtual"),
1413 0 /*oea-interrupt-prefix*/);
1414
1415 /* virtual memory - handles growth of stack/heap */
1416 vm = tree_parse(root, "/openprom/vm");
1417 tree_parse(vm, "./stack-base 0x%lx",
1418 (unsigned long)(top_of_stack - stack_size));
1419 tree_parse(vm, "./nr-bytes 0x%x", stack_size);
1420
1421 tree_parse(root, "/openprom/vm/map-binary/file-name %s",
1422 bfd_get_filename(image));
1423
1424 /* finish the init */
1425 tree_parse(root, "/openprom/init/register/pc 0x%lx",
1426 (unsigned long)bfd_get_start_address(image));
1427 tree_parse(root, "/openprom/init/register/sp 0x%lx",
1428 (unsigned long)top_of_stack);
1429 tree_parse(root, "/openprom/init/register/msr 0x%x",
1430 ((tree_find_boolean_property(root, "/options/little-endian?")
1431 ? msr_little_endian_mode
1432 : 0)
1433 | (tree_find_boolean_property(root, "/openprom/options/floating-point?")
1434 ? (msr_floating_point_available
1435 | msr_floating_point_exception_mode_0
1436 | msr_floating_point_exception_mode_1)
1437 : 0)));
1438 tree_parse(root, "/openprom/init/stack/stack-type %s",
1439 (elf_binary ? "ppc-elf" : "ppc-xcoff"));
1440
1441 /* finally our emulation data */
1442 bsd_data = ZALLOC(os_emul_data);
1443 bsd_data->vm = vm;
1444 bsd_data->syscalls = &emul_netbsd_syscalls;
1445 return bsd_data;
1446}
1447
1448static void
1449emul_netbsd_init(os_emul_data *emul_data,
1450 int nr_cpus)
1451{
1452 /* nothing yet */
1453}
1454
1455static void
1456emul_netbsd_system_call(cpu *processor,
1457 unsigned_word cia,
1458 os_emul_data *emul_data)
1459{
1460 emul_do_system_call(emul_data,
1461 emul_data->syscalls,
1462 cpu_registers(processor)->gpr[0],
1463 3, /*r3 contains arg0*/
1464 processor,
1465 cia);
1466}
1467
1468const os_emul emul_netbsd = {
1469 "netbsd",
1470 emul_netbsd_create,
1471 emul_netbsd_init,
1472 emul_netbsd_system_call,
1473 0, /*instruction_call*/
1474 0 /*data*/
1475};
1476
77be8302 1477#endif /* _EMUL_NETBSD_C_ */
GDB Binutils - Deliverables
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