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[deliverable/binutils-gdb.git] / sim / ppc / emul_netbsd.c
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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
3fd725ef 7 the Free Software Foundation; either version 3 of the License, or
c906108c
SS		 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
51b318de 16 along with this program; if not, see <http://www.gnu.org/licenses/>.
c906108c
SS		 17
18 */
19
20
21#ifndef _EMUL_NETBSD_C_
22#define _EMUL_NETBSD_C_
23
24
25/* Note: this module is called via a table. There is no benefit in
26 making it inline */
27
28#include "emul_generic.h"
29#include "emul_netbsd.h"
30
31#ifdef HAVE_STRING_H
32#include <string.h>
33#else
34#ifdef HAVE_STRINGS_H
35#include <strings.h>
36#endif
37#endif
38
39#include <sys/types.h>
40#include <sys/stat.h>
41#include <stdio.h>
42#include <signal.h>
43#include <fcntl.h>
c6631388 44#include <errno.h>
c906108c
SS		 45#include <sys/param.h>
46#include <sys/time.h>
47
48#ifdef HAVE_GETRUSAGE
49#ifndef HAVE_SYS_RESOURCE_H
50#undef HAVE_GETRUSAGE
51#endif
52#endif
53
54#ifdef HAVE_GETRUSAGE
55#include <sys/resource.h>
56int getrusage();
57#endif
58
59#if HAVE_SYS_IOCTL_H
60#include <sys/ioctl.h>
61#endif
62
63#if HAVE_DIRENT_H
64# include <dirent.h>
65# define NAMLEN(dirent) strlen((dirent)->d_name)
66#else
67# define dirent direct
68# define NAMLEN(dirent) (dirent)->d_namlen
69# if HAVE_SYS_NDIR_H
70# include <sys/ndir.h>
71# endif
72# if HAVE_SYS_DIR_H
73# include <sys/dir.h>
74# endif
75# if HAVE_NDIR_H
76# include <ndir.h>
77# endif
78#endif
79
80#ifdef HAVE_UNISTD_H
81#undef MAXPATHLEN /* sys/param.h might define this also */
82#include <unistd.h>
83#endif
84
85#ifdef HAVE_STDLIB_H
86#include <stdlib.h>
87#endif
88
89#define WITH_NetBSD_HOST (NetBSD >= 199306)
90#if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
91#include <sys/syscall.h> /* FIXME - should not be including this one */
92#include <sys/sysctl.h>
c6631388 93#include <sys/mount.h>
c906108c 94extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
1f362c96
AC		 95
96/* NetBSD post 2.0 has the statfs system call (if COMPAT_20), but does
97 not have struct statfs. In this case don't implement fstatfs.
98 FIXME: Should implement fstatvfs. */
99#ifndef HAVE_STRUCT_STATFS
100#undef HAVE_FSTATFS
101#endif
102
c906108c
SS		 103#else
104
105/* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
106#undef HAVE_FSTATFS
107#undef HAVE_GETDIRENTRIES
108#endif
109
110#if (BSD < 199306) /* here BSD as just a bug */
111extern int errno;
112#endif
113
114#ifndef STATIC_INLINE_EMUL_NETBSD
115#define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
116#endif
117
118
119#if WITH_NetBSD_HOST
120#define SYS(X) ASSERT(call == (SYS_##X))
121#else
122#define SYS(X)
123#endif
124
125#if WITH_NetBSD_HOST && (PATH_MAX != 1024)
126#error "PATH_MAX not 1024"
127#elif !defined(PATH_MAX)
128#define PATH_MAX 1024
129#endif
130
131
132/* EMULATION
133
134 NetBSD - Emulation of user programs for NetBSD/PPC
135
136 DESCRIPTION
137
138 */
139
140
141/* NetBSD's idea of what is needed to implement emulations */
142
143struct _os_emul_data {
144 device *vm;
145 emul_syscall *syscalls;
146};
147
148
149
150STATIC_INLINE_EMUL_NETBSD void
151write_stat(unsigned_word addr,
152 struct stat buf,
153 cpu *processor,
154 unsigned_word cia)
155{
156 H2T(buf.st_dev);
157 H2T(buf.st_ino);
158 H2T(buf.st_mode);
159 H2T(buf.st_nlink);
160 H2T(buf.st_uid);
161 H2T(buf.st_gid);
162 H2T(buf.st_size);
163 H2T(buf.st_atime);
164 /* H2T(buf.st_spare1); */
165 H2T(buf.st_mtime);
166 /* H2T(buf.st_spare2); */
167 H2T(buf.st_ctime);
168 /* H2T(buf.st_spare3); */
169#ifdef AC_STRUCT_ST_RDEV
170 H2T(buf.st_rdev);
171#endif
172#ifdef AC_STRUCT_ST_BLKSIZE
173 H2T(buf.st_blksize);
174#endif
175#ifdef AC_STRUCT_ST_BLOCKS
176 H2T(buf.st_blocks);
177#endif
178#if WITH_NetBSD_HOST
179 H2T(buf.st_flags);
180 H2T(buf.st_gen);
181#endif
182 emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
183}
184
185
186#ifdef HAVE_FSTATFS
187STATIC_INLINE_EMUL_NETBSD void
188write_statfs(unsigned_word addr,
189 struct statfs buf,
190 cpu *processor,
191 unsigned_word cia)
192{
193 H2T(buf.f_type);
194 H2T(buf.f_flags);
195 H2T(buf.f_bsize);
196 H2T(buf.f_iosize);
197 H2T(buf.f_blocks);
198 H2T(buf.f_bfree);
199 H2T(buf.f_bavail);
200 H2T(buf.f_files);
201 H2T(buf.f_ffree);
202 H2T(buf.f_fsid.val[0]);
203 H2T(buf.f_fsid.val[1]);
204 H2T(buf.f_owner);
205 /* f_spare[4]; */
206 /* f_fstypename[MFSNAMELEN]; */
207 /* f_mntonname[MNAMELEN]; */
208 /* f_mntfromname[MNAMELEN]; */
209 emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
210}
211#endif
212
213
214STATIC_INLINE_EMUL_NETBSD void
215write_timeval(unsigned_word addr,
216 struct timeval t,
217 cpu *processor,
218 unsigned_word cia)
219{
220 H2T(t.tv_sec);
221 H2T(t.tv_usec);
222 emul_write_buffer(&t, addr, sizeof(t), processor, cia);
223}
224
058ad269 225#ifdef HAVE_GETTIMEOFDAY
c906108c
SS		 226STATIC_INLINE_EMUL_NETBSD void
227write_timezone(unsigned_word addr,
228 struct timezone tz,
229 cpu *processor,
230 unsigned_word cia)
231{
232 H2T(tz.tz_minuteswest);
233 H2T(tz.tz_dsttime);
234 emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
235}
058ad269 236#endif
c906108c
SS		 237
238#ifdef HAVE_GETDIRENTRIES
239STATIC_INLINE_EMUL_NETBSD void
240write_direntries(unsigned_word addr,
241 char *buf,
242 int nbytes,
243 cpu *processor,
244 unsigned_word cia)
245{
246 while (nbytes > 0) {
247 struct dirent *out;
248 struct dirent *in = (struct dirent*)buf;
249 ASSERT(in->d_reclen <= nbytes);
250 out = (struct dirent*)zalloc(in->d_reclen);
251 memcpy(out/*dest*/, in/*src*/, in->d_reclen);
252 H2T(out->d_fileno);
253 H2T(out->d_reclen);
254 H2T(out->d_type);
255 H2T(out->d_namlen);
256 emul_write_buffer(out, addr, in->d_reclen, processor, cia);
257 nbytes -= in->d_reclen;
258 addr += in->d_reclen;
259 buf += in->d_reclen;
d79fe0d6 260 free(out);
c906108c
SS		 261 }
262}
263#endif
264
265
266#ifdef HAVE_GETRUSAGE
267STATIC_INLINE_EMUL_NETBSD void
268write_rusage(unsigned_word addr,
269 struct rusage rusage,
270 cpu *processor,
271 unsigned_word cia)
272{
273 H2T(rusage.ru_utime.tv_sec); /* user time used */
274 H2T(rusage.ru_utime.tv_usec);
275 H2T(rusage.ru_stime.tv_sec); /* system time used */
276 H2T(rusage.ru_stime.tv_usec);
277 H2T(rusage.ru_maxrss); /* integral max resident set size */
278 H2T(rusage.ru_ixrss); /* integral shared text memory size */
279 H2T(rusage.ru_idrss); /* integral unshared data size */
280 H2T(rusage.ru_isrss); /* integral unshared stack size */
281 H2T(rusage.ru_minflt); /* page reclaims */
282 H2T(rusage.ru_majflt); /* page faults */
283 H2T(rusage.ru_nswap); /* swaps */
284 H2T(rusage.ru_inblock); /* block input operations */
285 H2T(rusage.ru_oublock); /* block output operations */
286 H2T(rusage.ru_msgsnd); /* messages sent */
287 H2T(rusage.ru_msgrcv); /* messages received */
288 H2T(rusage.ru_nsignals); /* signals received */
289 H2T(rusage.ru_nvcsw); /* voluntary context switches */
290 H2T(rusage.ru_nivcsw); /* involuntary context switches */
291 emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
292}
293#endif
294
295static void
296do_exit(os_emul_data *emul,
297 unsigned call,
298 const int arg0,
299 cpu *processor,
300 unsigned_word cia)
301{
302 int status = (int)cpu_registers(processor)->gpr[arg0];
303 SYS(exit);
304 if (WITH_TRACE && ppc_trace[trace_os_emul])
305 printf_filtered ("%d)\n", status);
306
307 cpu_halt(processor, cia, was_exited, status);
308}
309
310
311static void
312do_read(os_emul_data *emul,
313 unsigned call,
314 const int arg0,
315 cpu *processor,
316 unsigned_word cia)
317{
318 void *scratch_buffer;
319 int d = (int)cpu_registers(processor)->gpr[arg0];
320 unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
321 int nbytes = cpu_registers(processor)->gpr[arg0+2];
322 int status;
323 SYS(read);
324
325 if (WITH_TRACE && ppc_trace[trace_os_emul])
326 printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
327
328 /* get a tempoary bufer */
329 scratch_buffer = zalloc(nbytes);
330
331 /* check if buffer exists by reading it */
332 emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
333
334 /* read */
335#if 0
336 if (d == 0) {
337 status = fread (scratch_buffer, 1, nbytes, stdin);
338 if (status == 0 && ferror (stdin))
339 status = -1;
340 }
341#endif
342 status = read (d, scratch_buffer, nbytes);
343
344 emul_write_status(processor, status, errno);
345 if (status > 0)
346 emul_write_buffer(scratch_buffer, buf, status, processor, cia);
347
d79fe0d6 348 free(scratch_buffer);
c906108c
SS		 349}
350
351
352static void
353do_write(os_emul_data *emul,
354 unsigned call,
355 const int arg0,
356 cpu *processor,
357 unsigned_word cia)
358{
359 void *scratch_buffer = NULL;
360 int d = (int)cpu_registers(processor)->gpr[arg0];
361 unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
362 int nbytes = cpu_registers(processor)->gpr[arg0+2];
363 int status;
364 SYS(write);
365
366 if (WITH_TRACE && ppc_trace[trace_os_emul])
367 printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
368
369 /* get a tempoary bufer */
370 scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
371
372 /* copy in */
373 emul_read_buffer(scratch_buffer, buf, nbytes,
374 processor, cia);
375
376 /* write */
377 status = write(d, scratch_buffer, nbytes);
378 emul_write_status(processor, status, errno);
d79fe0d6 379 free(scratch_buffer);
c906108c
SS		 380
381 flush_stdoutput();
382}
383
384
385static void
386do_open(os_emul_data *emul,
387 unsigned call,
388 const int arg0,
389 cpu *processor,
390 unsigned_word cia)
391{
392 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
393 char path_buf[PATH_MAX];
394 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
395 int flags = (int)cpu_registers(processor)->gpr[arg0+1];
396 int mode = (int)cpu_registers(processor)->gpr[arg0+2];
428e1889 397 int hostflags;
c906108c
SS		 398 int status;
399
400 if (WITH_TRACE && ppc_trace[trace_os_emul])
401 printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
402
403 SYS(open);
404
428e1889
GK		 405 /* Do some translation on 'flags' to match it to the host's version. */
406 /* These flag values were taken from the NetBSD 1.4 header files. */
407 if ((flags & 3) == 0)
408 hostflags = O_RDONLY;
409 else if ((flags & 3) == 1)
410 hostflags = O_WRONLY;
411 else
412 hostflags = O_RDWR;
413 if (flags & 0x00000008)
414 hostflags |= O_APPEND;
415 if (flags & 0x00000200)
416 hostflags |= O_CREAT;
417 if (flags & 0x00000400)
418 hostflags |= O_TRUNC;
419 if (flags & 0x00000800)
420 hostflags |= O_EXCL;
421
c906108c 422 /* Can't combine these statements, cuz open sets errno. */
428e1889 423 status = open(path, hostflags, mode);
c906108c
SS		 424 emul_write_status(processor, status, errno);
425}
426
427
428static void
429do_close(os_emul_data *emul,
430 unsigned call,
431 const int arg0,
432 cpu *processor,
433 unsigned_word cia)
434{
435 int d = (int)cpu_registers(processor)->gpr[arg0];
436 int status;
437
438 if (WITH_TRACE && ppc_trace[trace_os_emul])
439 printf_filtered ("%d", d);
440
441 SYS(close);
442
443 /* Can't combine these statements, cuz close sets errno. */
444 status = close(d);
445 emul_write_status(processor, status, errno);
446}
447
448
449static void
450do_break(os_emul_data *emul,
451 unsigned call,
452 const int arg0,
453 cpu *processor,
454 unsigned_word cia)
455{
456 /* just pass this onto the `vm' device */
457 unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
458 int status;
459
460 if (WITH_TRACE && ppc_trace[trace_os_emul])
461 printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
462
463 SYS(break);
464 status = device_ioctl(emul->vm,
465 processor,
466 cia,
467 device_ioctl_break,
468 new_break); /*ioctl-data*/
469 emul_write_status(processor, 0, status);
470}
471
472
473#ifndef HAVE_GETPID
474#define do_getpid 0
475#else
476static void
477do_getpid(os_emul_data *emul,
478 unsigned call,
479 const int arg0,
480 cpu *processor,
481 unsigned_word cia)
482{
483 SYS(getpid);
484 emul_write_status(processor, (int)getpid(), 0);
485}
486#endif
487
488#ifndef HAVE_GETUID
489#define do_getuid 0
490#else
491static void
492do_getuid(os_emul_data *emul,
493 unsigned call,
494 const int arg0,
495 cpu *processor,
496 unsigned_word cia)
497{
498 SYS(getuid);
499 emul_write_status(processor, (int)getuid(), 0);
500}
501#endif
502
503#ifndef HAVE_GETEUID
504#define do_geteuid 0
505#else
506static void
507do_geteuid(os_emul_data *emul,
508 unsigned call,
509 const int arg0,
510 cpu *processor,
511 unsigned_word cia)
512{
513 SYS(geteuid);
514 emul_write_status(processor, (int)geteuid(), 0);
515}
516#endif
517
518#ifndef HAVE_KILL
519#define do_kill 0
520#else
521static void
522do_kill(os_emul_data *emul,
523 unsigned call,
524 const int arg0,
525 cpu *processor,
526 unsigned_word cia)
527{
528 pid_t pid = cpu_registers(processor)->gpr[arg0];
529 int sig = cpu_registers(processor)->gpr[arg0+1];
530
531 if (WITH_TRACE && ppc_trace[trace_os_emul])
532 printf_filtered ("%d, %d", (int)pid, sig);
533
534 SYS(kill);
535 printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
536 (long)cia);
537 cpu_halt(processor, cia, was_signalled, sig);
538}
539#endif
540
541#ifndef HAVE_DUP
542#define do_dup 0
543#else
544static void
545do_dup(os_emul_data *emul,
546 unsigned call,
547 const int arg0,
548 cpu *processor,
549 unsigned_word cia)
550{
551 int oldd = cpu_registers(processor)->gpr[arg0];
552 int status = dup(oldd);
553 int err = errno;
554
555 if (WITH_TRACE && ppc_trace[trace_os_emul])
556 printf_filtered ("%d", oldd);
557
558 SYS(dup);
559 emul_write_status(processor, status, err);
560}
561#endif
562
563#ifndef HAVE_GETEGID
564#define do_getegid 0
565#else
566static void
567do_getegid(os_emul_data *emul,
568 unsigned call,
569 const int arg0,
570 cpu *processor,
571 unsigned_word cia)
572{
573 SYS(getegid);
574 emul_write_status(processor, (int)getegid(), 0);
575}
576#endif
577
578#ifndef HAVE_GETGID
579#define do_getgid 0
580#else
581static void
582do_getgid(os_emul_data *emul,
583 unsigned call,
584 const int arg0,
585 cpu *processor,
586 unsigned_word cia)
587{
588 SYS(getgid);
589 emul_write_status(processor, (int)getgid(), 0);
590}
591#endif
592
593#ifndef HAVE_SIGPROCMASK
594#define do_sigprocmask 0
595#else
596static void
597do_sigprocmask(os_emul_data *emul,
598 unsigned call,
599 const int arg0,
600 cpu *processor,
601 unsigned_word cia)
602{
603 natural_word how = cpu_registers(processor)->gpr[arg0];
604 unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
605 unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
c6631388 606#ifdef SYS_sigprocmask
c906108c 607 SYS(sigprocmask);
c6631388 608#endif
c906108c
SS		 609
610 if (WITH_TRACE && ppc_trace[trace_os_emul])
611 printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
612
613 emul_write_status(processor, 0, 0);
614 cpu_registers(processor)->gpr[4] = set;
615}
616#endif
617
618#ifndef HAVE_IOCTL
619#define do_ioctl 0
620#else
621static void
622do_ioctl(os_emul_data *emul,
623 unsigned call,
624 const int arg0,
625 cpu *processor,
626 unsigned_word cia)
627{
628 int d = cpu_registers(processor)->gpr[arg0];
629 unsigned request = cpu_registers(processor)->gpr[arg0+1];
630 unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
631
632#if !WITH_NetBSD_HOST
633 cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
634#else
635 unsigned dir = request & IOC_DIRMASK;
636 int status;
637 SYS(ioctl);
638 /* what we haven't done */
639 if (dir & IOC_IN /* write into the io device */
640 || dir & IOC_OUT
641 || !(dir & IOC_VOID))
642 error("do_ioctl() read or write of parameter not implemented\n");
643 status = ioctl(d, request, NULL);
644 emul_write_status(processor, status, errno);
645#endif
646
647 if (WITH_TRACE && ppc_trace[trace_os_emul])
648 printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
649}
650#endif
651
652#ifndef HAVE_UMASK
653#define do_umask 0
654#else
655static void
656do_umask(os_emul_data *emul,
657 unsigned call,
658 const int arg0,
659 cpu *processor,
660 unsigned_word cia)
661{
662 int mask = cpu_registers(processor)->gpr[arg0];
663
664 if (WITH_TRACE && ppc_trace[trace_os_emul])
665 printf_filtered ("0%o", mask);
666
667 SYS(umask);
668 emul_write_status(processor, umask(mask), 0);
669}
670#endif
671
672#ifndef HAVE_DUP2
673#define do_dup2 0
674#else
675static void
676do_dup2(os_emul_data *emul,
677 unsigned call,
678 const int arg0,
679 cpu *processor,
680 unsigned_word cia)
681{
682 int oldd = cpu_registers(processor)->gpr[arg0];
683 int newd = cpu_registers(processor)->gpr[arg0+1];
684 int status = dup2(oldd, newd);
685 int err = errno;
686
687 if (WITH_TRACE && ppc_trace[trace_os_emul])
688 printf_filtered ("%d, %d", oldd, newd);
689
690 SYS(dup2);
691 emul_write_status(processor, status, err);
692}
693#endif
694
695#ifndef HAVE_FCNTL
696#define do_fcntl 0
697#else
698static void
699do_fcntl(os_emul_data *emul,
700 unsigned call,
701 const int arg0,
702 cpu *processor,
703 unsigned_word cia)
704{
705 int fd = cpu_registers(processor)->gpr[arg0];
706 int cmd = cpu_registers(processor)->gpr[arg0+1];
707 int arg = cpu_registers(processor)->gpr[arg0+2];
708 int status;
709
710 if (WITH_TRACE && ppc_trace[trace_os_emul])
711 printf_filtered ("%d, %d, %d", fd, cmd, arg);
712
713 SYS(fcntl);
714 status = fcntl(fd, cmd, arg);
715 emul_write_status(processor, status, errno);
716}
717#endif
718
719#ifndef HAVE_GETTIMEOFDAY
720#define do_gettimeofday 0
721#else
722static void
723do_gettimeofday(os_emul_data *emul,
724 unsigned call,
725 const int arg0,
726 cpu *processor,
727 unsigned_word cia)
728{
729 unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
730 unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
731 struct timeval t;
732 struct timezone tz;
733 int status = gettimeofday((t_addr != 0 ? &t : NULL),
734 (tz_addr != 0 ? &tz : NULL));
735 int err = errno;
736
737 if (WITH_TRACE && ppc_trace[trace_os_emul])
738 printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
739
740 SYS(gettimeofday);
741 emul_write_status(processor, status, err);
742 if (status == 0) {
743 if (t_addr != 0)
744 write_timeval(t_addr, t, processor, cia);
745 if (tz_addr != 0)
746 write_timezone(tz_addr, tz, processor, cia);
747 }
748}
749#endif
750
751#ifndef HAVE_GETRUSAGE
752#define do_getrusage 0
753#else
754static void
755do_getrusage(os_emul_data *emul,
756 unsigned call,
757 const int arg0,
758 cpu *processor,
759 unsigned_word cia)
760{
761 int who = cpu_registers(processor)->gpr[arg0];
762 unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
763 struct rusage rusage;
764 int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
765 int err = errno;
766
767 if (WITH_TRACE && ppc_trace[trace_os_emul])
768 printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
769
770 SYS(getrusage);
771 emul_write_status(processor, status, err);
772 if (status == 0) {
773 if (rusage_addr != 0)
774 write_rusage(rusage_addr, rusage, processor, cia);
775 }
776}
777#endif
778
779
780#ifndef HAVE_FSTATFS
781#define do_fstatfs 0
782#else
783static void
784do_fstatfs(os_emul_data *emul,
785 unsigned call,
786 const int arg0,
787 cpu *processor,
788 unsigned_word cia)
789{
790 int fd = cpu_registers(processor)->gpr[arg0];
791 unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
792 struct statfs buf;
793 int status;
794
795 if (WITH_TRACE && ppc_trace[trace_os_emul])
796 printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
797
798 SYS(fstatfs);
799 status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
800 emul_write_status(processor, status, errno);
801 if (status == 0) {
802 if (buf_addr != 0)
803 write_statfs(buf_addr, buf, processor, cia);
804 }
805}
806#endif
807
808#ifndef HAVE_STAT
809#define do_stat 0
810#else
811static void
812do_stat(os_emul_data *emul,
813 unsigned call,
814 const int arg0,
815 cpu *processor,
816 unsigned_word cia)
817{
818 char path_buf[PATH_MAX];
819 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
820 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
821 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
822 struct stat buf;
823 int status;
c6631388 824#ifdef SYS_stat
c906108c 825 SYS(stat);
c6631388 826#endif
c906108c
SS		 827 status = stat(path, &buf);
828 emul_write_status(processor, status, errno);
829 if (status == 0)
830 write_stat(stat_buf_addr, buf, processor, cia);
831}
832#endif
833
834#ifndef HAVE_FSTAT
835#define do_fstat 0
836#else
837static void
838do_fstat(os_emul_data *emul,
839 unsigned call,
840 const int arg0,
841 cpu *processor,
842 unsigned_word cia)
843{
844 int fd = cpu_registers(processor)->gpr[arg0];
845 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
846 struct stat buf;
847 int status;
c6631388 848#ifdef SYS_fstat
c906108c 849 SYS(fstat);
c6631388 850#endif
c906108c
SS		 851 /* Can't combine these statements, cuz fstat sets errno. */
852 status = fstat(fd, &buf);
853 emul_write_status(processor, status, errno);
854 write_stat(stat_buf_addr, buf, processor, cia);
855}
856#endif
857
858#ifndef HAVE_LSTAT
859#define do_lstat 0
860#else
861static void
862do_lstat(os_emul_data *emul,
863 unsigned call,
864 const int arg0,
865 cpu *processor,
866 unsigned_word cia)
867{
868 char path_buf[PATH_MAX];
869 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
870 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
871 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
872 struct stat buf;
873 int status;
c6631388 874#ifdef SYS_lstat
c906108c 875 SYS(lstat);
c6631388 876#endif
c906108c
SS		 877 /* Can't combine these statements, cuz lstat sets errno. */
878 status = lstat(path, &buf);
879 emul_write_status(processor, status, errno);
880 write_stat(stat_buf_addr, buf, processor, cia);
881}
882#endif
883
884#ifndef HAVE_GETDIRENTRIES
885#define do_getdirentries 0
886#else
887static void
888do_getdirentries(os_emul_data *emul,
889 unsigned call,
890 const int arg0,
891 cpu *processor,
892 unsigned_word cia)
893{
894 int fd = cpu_registers(processor)->gpr[arg0];
895 unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
896 char *buf;
897 int nbytes = cpu_registers(processor)->gpr[arg0+2];
898 unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
899 long basep;
900 int status;
c6631388 901#ifdef SYS_getdirentries
c906108c 902 SYS(getdirentries);
c6631388 903#endif
c906108c
SS		 904 if (buf_addr != 0 && nbytes >= 0)
905 buf = zalloc(nbytes);
906 else
907 buf = NULL;
908 status = getdirentries(fd,
909 (buf_addr == 0 ? NULL : buf),
910 nbytes,
911 (basep_addr == 0 ? NULL : &basep));
912 emul_write_status(processor, status, errno);
913 if (basep_addr != 0)
914 emul_write_word(basep_addr, basep, processor, cia);
915 if (status > 0)
916 write_direntries(buf_addr, buf, status, processor, cia);
917 if (buf != NULL)
d79fe0d6 918 free(buf);
c906108c
SS		 919}
920#endif
921
922
923static void
924do___syscall(os_emul_data *emul,
925 unsigned call,
926 const int arg0,
927 cpu *processor,
928 unsigned_word cia)
929{
930 SYS(__syscall);
931 emul_do_system_call(emul,
932 emul->syscalls,
933 cpu_registers(processor)->gpr[arg0],
934 arg0 + 1,
935 processor,
936 cia);
937}
938
939#ifndef HAVE_LSEEK
940#define do_lseek 0
941#else
942static void
943do_lseek(os_emul_data *emul,
944 unsigned call,
945 const int arg0,
946 cpu *processor,
947 unsigned_word cia)
948{
949 int fildes = cpu_registers(processor)->gpr[arg0];
950 off_t offset = emul_read_gpr64(processor, arg0+2);
951 int whence = cpu_registers(processor)->gpr[arg0+4];
952 off_t status;
953 SYS(lseek);
954 status = lseek(fildes, offset, whence);
955 if (status == -1)
956 emul_write_status(processor, -1, errno);
957 else {
958 emul_write_status(processor, 0, 0); /* success */
959 emul_write_gpr64(processor, 3, status);
960 }
961}
962#endif
963
964static void
965do___sysctl(os_emul_data *emul,
966 unsigned call,
967 const int arg0,
968 cpu *processor,
969 unsigned_word cia)
970{
971 /* call the arguments by their real name */
972 unsigned_word name = cpu_registers(processor)->gpr[arg0];
973 natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
974 unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
975 unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
976 natural_word oldlen;
977 natural_word mib;
978 natural_word int_val;
979 SYS(__sysctl);
980
981 /* pluck out the management information base id */
982 if (namelen < 1)
983 error("system_call()SYS___sysctl bad name[0]\n");
984 mib = vm_data_map_read_word(cpu_data_map(processor),
985 name,
986 processor,
987 cia);
988 name += sizeof(mib);
989
990 /* see what to do with it ... */
991 switch ((int)mib) {
992 case 6/*CTL_HW*/:
993#if WITH_NetBSD_HOST && (CTL_HW != 6)
994# error "CTL_HW"
995#endif
996 if (namelen < 2)
997 error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
998 mib = vm_data_map_read_word(cpu_data_map(processor),
999 name,
1000 processor,
1001 cia);
1002 name += sizeof(mib);
1003 switch ((int)mib) {
1004 case 7/*HW_PAGESIZE*/:
1005#if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
1006# error "HW_PAGESIZE"
1007#endif
1008 oldlen = vm_data_map_read_word(cpu_data_map(processor),
1009 oldlenp,
1010 processor,
1011 cia);
1012 if (sizeof(natural_word) > oldlen)
1013 error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
1014 int_val = 8192;
1015 oldlen = sizeof(int_val);
1016 emul_write_word(oldp, int_val, processor, cia);
1017 emul_write_word(oldlenp, oldlen, processor, cia);
1018 break;
1019 default:
1020 error("sysctl() CTL_HW.%d unknown\n", mib);
1021 break;
1022 }
1023 break;
1024 default:
1025 error("sysctl() name[0]=%d unknown\n", (int)mib);
1026 break;
1027 }
1028 emul_write_status(processor, 0, 0); /* always succeed */
1029}
1030
1031
1032
1033static emul_syscall_descriptor netbsd_descriptors[] = {
1034 /* 0 */ { 0, "syscall" },
1035 /* 1 */ { do_exit, "exit" },
1036 /* 2 */ { 0, "fork" },
1037 /* 3 */ { do_read, "read" },
1038 /* 4 */ { do_write, "write" },
1039 /* 5 */ { do_open, "open" },
1040 /* 6 */ { do_close, "close" },
1041 /* 7 */ { 0, "wait4" },
1042 { 0, }, /* 8 is old creat */
1043 /* 9 */ { 0, "link" },
1044 /* 10 */ { 0, "unlink" },
1045 { 0, }, /* 11 is obsolete execv */
1046 /* 12 */ { 0, "chdir" },
1047 /* 13 */ { 0, "fchdir" },
1048 /* 14 */ { 0, "mknod" },
1049 /* 15 */ { 0, "chmod" },
1050 /* 16 */ { 0, "chown" },
1051 /* 17 */ { do_break, "break" },
1052 /* 18 */ { 0, "getfsstat" },
1053 { 0, }, /* 19 is old lseek */
1054 /* 20 */ { do_getpid, "getpid" },
1055 /* 21 */ { 0, "mount" },
1056 /* 22 */ { 0, "unmount" },
1057 /* 23 */ { 0, "setuid" },
1058 /* 24 */ { do_getuid, "getuid" },
1059 /* 25 */ { do_geteuid, "geteuid" },
1060 /* 26 */ { 0, "ptrace" },
1061 /* 27 */ { 0, "recvmsg" },
1062 /* 28 */ { 0, "sendmsg" },
1063 /* 29 */ { 0, "recvfrom" },
1064 /* 30 */ { 0, "accept" },
1065 /* 31 */ { 0, "getpeername" },
1066 /* 32 */ { 0, "getsockname" },
1067 /* 33 */ { 0, "access" },
1068 /* 34 */ { 0, "chflags" },
1069 /* 35 */ { 0, "fchflags" },
1070 /* 36 */ { 0, "sync" },
1071 /* 37 */ { do_kill, "kill" },
1072 { 0, }, /* 38 is old stat */
1073 /* 39 */ { 0, "getppid" },
1074 { 0, }, /* 40 is old lstat */
1075 /* 41 */ { do_dup, "dup" },
1076 /* 42 */ { 0, "pipe" },
1077 /* 43 */ { do_getegid, "getegid" },
1078 /* 44 */ { 0, "profil" },
1079 /* 45 */ { 0, "ktrace" },
1080 /* 46 */ { 0, "sigaction" },
1081 /* 47 */ { do_getgid, "getgid" },
1082 /* 48 */ { do_sigprocmask, "sigprocmask" },
1083 /* 49 */ { 0, "getlogin" },
1084 /* 50 */ { 0, "setlogin" },
1085 /* 51 */ { 0, "acct" },
1086 /* 52 */ { 0, "sigpending" },
1087 /* 53 */ { 0, "sigaltstack" },
1088 /* 54 */ { do_ioctl, "ioctl" },
1089 /* 55 */ { 0, "reboot" },
1090 /* 56 */ { 0, "revoke" },
1091 /* 57 */ { 0, "symlink" },
1092 /* 58 */ { 0, "readlink" },
1093 /* 59 */ { 0, "execve" },
1094 /* 60 */ { do_umask, "umask" },
1095 /* 61 */ { 0, "chroot" },
1096 { 0, }, /* 62 is old fstat */
1097 { 0, }, /* 63 is old getkerninfo */
1098 { 0, }, /* 64 is old getpagesize */
1099 /* 65 */ { 0, "msync" },
1100 /* 66 */ { 0, "vfork" },
1101 { 0, }, /* 67 is obsolete vread */
1102 { 0, }, /* 68 is obsolete vwrite */
1103 /* 69 */ { 0, "sbrk" },
1104 /* 70 */ { 0, "sstk" },
1105 { 0, }, /* 71 is old mmap */
1106 /* 72 */ { 0, "vadvise" },
1107 /* 73 */ { 0, "munmap" },
1108 /* 74 */ { 0, "mprotect" },
1109 /* 75 */ { 0, "madvise" },
1110 { 0, }, /* 76 is obsolete vhangup */
1111 { 0, }, /* 77 is obsolete vlimit */
1112 /* 78 */ { 0, "mincore" },
1113 /* 79 */ { 0, "getgroups" },
1114 /* 80 */ { 0, "setgroups" },
1115 /* 81 */ { 0, "getpgrp" },
1116 /* 82 */ { 0, "setpgid" },
1117 /* 83 */ { 0, "setitimer" },
1118 { 0, }, /* 84 is old wait */
1119 /* 85 */ { 0, "swapon" },
1120 /* 86 */ { 0, "getitimer" },
1121 { 0, }, /* 87 is old gethostname */
1122 { 0, }, /* 88 is old sethostname */
1123 { 0, }, /* 89 is old getdtablesize */
1124 { do_dup2, "dup2" },
1125 { 0, }, /* 91 */
1126 /* 92 */ { do_fcntl, "fcntl" },
1127 /* 93 */ { 0, "select" },
1128 { 0, }, /* 94 */
1129 /* 95 */ { 0, "fsync" },
1130 /* 96 */ { 0, "setpriority" },
1131 /* 97 */ { 0, "socket" },
1132 /* 98 */ { 0, "connect" },
1133 { 0, }, /* 99 is old accept */
1134 /* 100 */ { 0, "getpriority" },
1135 { 0, }, /* 101 is old send */
1136 { 0, }, /* 102 is old recv */
1137 /* 103 */ { 0, "sigreturn" },
1138 /* 104 */ { 0, "bind" },
1139 /* 105 */ { 0, "setsockopt" },
1140 /* 106 */ { 0, "listen" },
1141 { 0, }, /* 107 is obsolete vtimes */
1142 { 0, }, /* 108 is old sigvec */
1143 { 0, }, /* 109 is old sigblock */
1144 { 0, }, /* 110 is old sigsetmask */
1145 /* 111 */ { 0, "sigsuspend" },
1146 { 0, }, /* 112 is old sigstack */
1147 { 0, }, /* 113 is old recvmsg */
1148 { 0, }, /* 114 is old sendmsg */
1149 /* - is obsolete vtrace */ { 0, "vtrace 115" },
1150 /* 116 */ { do_gettimeofday, "gettimeofday" },
1151 /* 117 */ { do_getrusage, "getrusage" },
1152 /* 118 */ { 0, "getsockopt" },
1153 /* 119 */ { 0, "resuba" },
1154 /* 120 */ { 0, "readv" },
1155 /* 121 */ { 0, "writev" },
1156 /* 122 */ { 0, "settimeofday" },
1157 /* 123 */ { 0, "fchown" },
1158 /* 124 */ { 0, "fchmod" },
1159 { 0, }, /* 125 is old recvfrom */
1160 { 0, }, /* 126 is old setreuid */
1161 { 0, }, /* 127 is old setregid */
1162 /* 128 */ { 0, "rename" },
1163 { 0, }, /* 129 is old truncate */
1164 { 0, }, /* 130 is old ftruncate */
1165 /* 131 */ { 0, "flock" },
1166 /* 132 */ { 0, "mkfifo" },
1167 /* 133 */ { 0, "sendto" },
1168 /* 134 */ { 0, "shutdown" },
1169 /* 135 */ { 0, "socketpair" },
1170 /* 136 */ { 0, "mkdir" },
1171 /* 137 */ { 0, "rmdir" },
1172 /* 138 */ { 0, "utimes" },
1173 { 0, }, /* 139 is obsolete 4.2 sigreturn */
1174 /* 140 */ { 0, "adjtime" },
1175 { 0, }, /* 141 is old getpeername */
1176 { 0, }, /* 142 is old gethostid */
1177 { 0, }, /* 143 is old sethostid */
1178 { 0, }, /* 144 is old getrlimit */
1179 { 0, }, /* 145 is old setrlimit */
1180 { 0, }, /* 146 is old killpg */
1181 /* 147 */ { 0, "setsid" },
1182 /* 148 */ { 0, "quotactl" },
1183 { 0, }, /* 149 is old quota */
1184 { 0, }, /* 150 is old getsockname */
1185 { 0, }, /* 151 */
1186 { 0, }, /* 152 */
1187 { 0, }, /* 153 */
1188 { 0, }, /* 154 */
1189 /* 155 */ { 0, "nfssvc" },
1190 { 0, }, /* 156 is old getdirentries */
1191 /* 157 */ { 0, "statfs" },
1192 /* 158 */ { do_fstatfs, "fstatfs" },
1193 { 0, }, /* 159 */
1194 { 0, }, /* 160 */
1195 /* 161 */ { 0, "getfh" },
1196 { 0, }, /* 162 is old getdomainname */
1197 { 0, }, /* 163 is old setdomainname */
1198 { 0, }, /* 164 is old uname */
1199 /* 165 */ { 0, "sysarch" },
1200 { 0, }, /* 166 */
1201 { 0, }, /* 167 */
1202 { 0, }, /* 168 */
1203 /* 169 */ { 0, "semsys" },
1204 /* 170 */ { 0, "msgsys" },
1205 /* 171 */ { 0, "shmsys" },
1206 { 0, }, /* 172 */
1207 { 0, }, /* 173 */
1208 { 0, }, /* 174 */
1209 { 0, }, /* 175 */
1210 { 0, }, /* 176 */
1211 { 0, }, /* 177 */
1212 { 0, }, /* 178 */
1213 { 0, }, /* 179 */
1214 { 0, }, /* 180 */
1215 /* 181 */ { 0, "setgid" },
1216 /* 182 */ { 0, "setegid" },
1217 /* 183 */ { 0, "seteuid" },
1218 /* 184 */ { 0, "lfs_bmapv" },
1219 /* 185 */ { 0, "lfs_markv" },
1220 /* 186 */ { 0, "lfs_segclean" },
1221 /* 187 */ { 0, "lfs_segwait" },
1222 /* 188 */ { do_stat, "stat" },
1223 /* 189 */ { do_fstat, "fstat" },
1224 /* 190 */ { do_lstat, "lstat" },
1225 /* 191 */ { 0, "pathconf" },
1226 /* 192 */ { 0, "fpathconf" },
1227 { 0, }, /* 193 */
1228 /* 194 */ { 0, "getrlimit" },
1229 /* 195 */ { 0, "setrlimit" },
1230 /* 196 */ { do_getdirentries, "getdirentries" },
1231 /* 197 */ { 0, "mmap" },
1232 /* 198 */ { do___syscall, "__syscall" },
1233 /* 199 */ { do_lseek, "lseek" },
1234 /* 200 */ { 0, "truncate" },
1235 /* 201 */ { 0, "ftruncate" },
1236 /* 202 */ { do___sysctl, "__sysctl" },
1237 /* 203 */ { 0, "mlock" },
1238 /* 204 */ { 0, "munlock" },
1239};
1240
1241static char *(netbsd_error_names[]) = {
1242 /* 0 */ "ESUCCESS",
1243 /* 1 */ "EPERM",
1244 /* 2 */ "ENOENT",
1245 /* 3 */ "ESRCH",
1246 /* 4 */ "EINTR",
1247 /* 5 */ "EIO",
1248 /* 6 */ "ENXIO",
1249 /* 7 */ "E2BIG",
1250 /* 8 */ "ENOEXEC",
1251 /* 9 */ "EBADF",
1252 /* 10 */ "ECHILD",
1253 /* 11 */ "EDEADLK",
1254 /* 12 */ "ENOMEM",
1255 /* 13 */ "EACCES",
1256 /* 14 */ "EFAULT",
1257 /* 15 */ "ENOTBLK",
1258 /* 16 */ "EBUSY",
1259 /* 17 */ "EEXIST",
1260 /* 18 */ "EXDEV",
1261 /* 19 */ "ENODEV",
1262 /* 20 */ "ENOTDIR",
1263 /* 21 */ "EISDIR",
1264 /* 22 */ "EINVAL",
1265 /* 23 */ "ENFILE",
1266 /* 24 */ "EMFILE",
1267 /* 25 */ "ENOTTY",
1268 /* 26 */ "ETXTBSY",
1269 /* 27 */ "EFBIG",
1270 /* 28 */ "ENOSPC",
1271 /* 29 */ "ESPIPE",
1272 /* 30 */ "EROFS",
1273 /* 31 */ "EMLINK",
1274 /* 32 */ "EPIPE",
1275 /* 33 */ "EDOM",
1276 /* 34 */ "ERANGE",
1277 /* 35 */ "EAGAIN",
1278 /* 36 */ "EINPROGRESS",
1279 /* 37 */ "EALREADY",
1280 /* 38 */ "ENOTSOCK",
1281 /* 39 */ "EDESTADDRREQ",
1282 /* 40 */ "EMSGSIZE",
1283 /* 41 */ "EPROTOTYPE",
1284 /* 42 */ "ENOPROTOOPT",
1285 /* 43 */ "EPROTONOSUPPORT",
1286 /* 44 */ "ESOCKTNOSUPPORT",
1287 /* 45 */ "EOPNOTSUPP",
1288 /* 46 */ "EPFNOSUPPORT",
1289 /* 47 */ "EAFNOSUPPORT",
1290 /* 48 */ "EADDRINUSE",
1291 /* 49 */ "EADDRNOTAVAIL",
1292 /* 50 */ "ENETDOWN",
1293 /* 51 */ "ENETUNREACH",
1294 /* 52 */ "ENETRESET",
1295 /* 53 */ "ECONNABORTED",
1296 /* 54 */ "ECONNRESET",
1297 /* 55 */ "ENOBUFS",
1298 /* 56 */ "EISCONN",
1299 /* 57 */ "ENOTCONN",
1300 /* 58 */ "ESHUTDOWN",
1301 /* 59 */ "ETOOMANYREFS",
1302 /* 60 */ "ETIMEDOUT",
1303 /* 61 */ "ECONNREFUSED",
1304 /* 62 */ "ELOOP",
1305 /* 63 */ "ENAMETOOLONG",
1306 /* 64 */ "EHOSTDOWN",
1307 /* 65 */ "EHOSTUNREACH",
1308 /* 66 */ "ENOTEMPTY",
1309 /* 67 */ "EPROCLIM",
1310 /* 68 */ "EUSERS",
1311 /* 69 */ "EDQUOT",
1312 /* 70 */ "ESTALE",
1313 /* 71 */ "EREMOTE",
1314 /* 72 */ "EBADRPC",
1315 /* 73 */ "ERPCMISMATCH",
1316 /* 74 */ "EPROGUNAVAIL",
1317 /* 75 */ "EPROGMISMATCH",
1318 /* 76 */ "EPROCUNAVAIL",
1319 /* 77 */ "ENOLCK",
1320 /* 78 */ "ENOSYS",
1321 /* 79 */ "EFTYPE",
1322 /* 80 */ "EAUTH",
1323 /* 81 */ "ENEEDAUTH",
1324 /* 81 */ "ELAST",
1325};
1326
1327static char *(netbsd_signal_names[]) = {
1328 /* 0 */ 0,
1329 /* 1 */ "SIGHUP",
1330 /* 2 */ "SIGINT",
1331 /* 3 */ "SIGQUIT",
1332 /* 4 */ "SIGILL",
1333 /* 5 */ "SIGTRAP",
1334 /* 6 */ "SIGABRT",
1335 /* 7 */ "SIGEMT",
1336 /* 8 */ "SIGFPE",
1337 /* 9 */ "SIGKILL",
1338 /* 10 */ "SIGBUS",
1339 /* 11 */ "SIGSEGV",
1340 /* 12 */ "SIGSYS",
1341 /* 13 */ "SIGPIPE",
1342 /* 14 */ "SIGALRM",
1343 /* 15 */ "SIGTERM",
1344 /* 16 */ "SIGURG",
1345 /* 17 */ "SIGSTOP",
1346 /* 18 */ "SIGTSTP",
1347 /* 19 */ "SIGCONT",
1348 /* 20 */ "SIGCHLD",
1349 /* 21 */ "SIGTTIN",
1350 /* 22 */ "SIGTTOU",
1351 /* 23 */ "SIGIO",
1352 /* 24 */ "SIGXCPU",
1353 /* 25 */ "SIGXFSZ",
1354 /* 26 */ "SIGVTALRM",
1355 /* 27 */ "SIGPROF",
1356 /* 28 */ "SIGWINCH",
1357 /* 29 */ "SIGINFO",
1358 /* 30 */ "SIGUSR1",
1359 /* 31 */ "SIGUSR2",
1360};
1361
1362static emul_syscall emul_netbsd_syscalls = {
1363 netbsd_descriptors,
1364 sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
1365 netbsd_error_names,
1366 sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
1367 netbsd_signal_names,
1368 sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
1369};
1370
1371
1372/* NetBSD's os_emul interface, most are just passed on to the generic
1373 syscall stuff */
1374
1375static os_emul_data *
1376emul_netbsd_create(device *root,
1377 bfd *image,
1378 const char *name)
1379{
1380 unsigned_word top_of_stack;
1381 unsigned stack_size;
1382 int elf_binary;
1383 os_emul_data *bsd_data;
1384 device *vm;
59f6d9d6 1385 char *filename;
c906108c
SS		 1386
1387 /* check that this emulation is really for us */
1388 if (name != NULL && strcmp(name, "netbsd") != 0)
1389 return NULL;
1390 if (image == NULL)
1391 return NULL;
1392
1393
1394 /* merge any emulation specific entries into the device tree */
1395
1396 /* establish a few defaults */
1397 if (image->xvec->flavour == bfd_target_elf_flavour) {
1398 elf_binary = 1;
1399 top_of_stack = 0xe0000000;
1400 stack_size = 0x00100000;
1401 }
1402 else {
1403 elf_binary = 0;
1404 top_of_stack = 0x20000000;
1405 stack_size = 0x00100000;
1406 }
1407
1408 /* options */
1409 emul_add_tree_options(root, image, "netbsd",
1410 (WITH_ENVIRONMENT == USER_ENVIRONMENT
1411 ? "user" : "virtual"),
1412 0 /*oea-interrupt-prefix*/);
1413
1414 /* virtual memory - handles growth of stack/heap */
1415 vm = tree_parse(root, "/openprom/vm");
1416 tree_parse(vm, "./stack-base 0x%lx",
1417 (unsigned long)(top_of_stack - stack_size));
1418 tree_parse(vm, "./nr-bytes 0x%x", stack_size);
1419
59f6d9d6 1420 filename = tree_quote_property (bfd_get_filename(image));
c906108c 1421 tree_parse(root, "/openprom/vm/map-binary/file-name %s",
59f6d9d6
MM		 1422 filename);
1423 free (filename);
c906108c
SS		 1424
1425 /* finish the init */
1426 tree_parse(root, "/openprom/init/register/pc 0x%lx",
1427 (unsigned long)bfd_get_start_address(image));
1428 tree_parse(root, "/openprom/init/register/sp 0x%lx",
1429 (unsigned long)top_of_stack);
1430 tree_parse(root, "/openprom/init/register/msr 0x%x",
1431 ((tree_find_boolean_property(root, "/options/little-endian?")
1432 ? msr_little_endian_mode
1433 : 0)
1434 | (tree_find_boolean_property(root, "/openprom/options/floating-point?")
1435 ? (msr_floating_point_available
1436 | msr_floating_point_exception_mode_0
1437 | msr_floating_point_exception_mode_1)
1438 : 0)));
1439 tree_parse(root, "/openprom/init/stack/stack-type %s",
1440 (elf_binary ? "ppc-elf" : "ppc-xcoff"));
1441
1442 /* finally our emulation data */
1443 bsd_data = ZALLOC(os_emul_data);
1444 bsd_data->vm = vm;
1445 bsd_data->syscalls = &emul_netbsd_syscalls;
1446 return bsd_data;
1447}
1448
1449static void
1450emul_netbsd_init(os_emul_data *emul_data,
1451 int nr_cpus)
1452{
1453 /* nothing yet */
1454}
1455
1456static void
1457emul_netbsd_system_call(cpu *processor,
1458 unsigned_word cia,
1459 os_emul_data *emul_data)
1460{
1461 emul_do_system_call(emul_data,
1462 emul_data->syscalls,
1463 cpu_registers(processor)->gpr[0],
1464 3, /*r3 contains arg0*/
1465 processor,
1466 cia);
1467}
1468
1469const os_emul emul_netbsd = {
1470 "netbsd",
1471 emul_netbsd_create,
1472 emul_netbsd_init,
1473 emul_netbsd_system_call,
1474 0, /*instruction_call*/
1475 0 /*data*/
1476};
1477
77be8302 1478#endif /* _EMUL_NETBSD_C_ */
GDB Binutils - Deliverables
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