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* Test case for PR 18452.
[binutils-gdb.git] / sim / ppc / emul_netbsd.c
blobfae6f914121d33a12d49952d3d29df55ac539a37
1 /* This file is part of the program psim.
2
3 Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18
19 */
20
21
22 #ifndef _EMUL_NETBSD_C_
23 #define _EMUL_NETBSD_C_
24
25
26 /* Note: this module is called via a table. There is no benefit in
27 making it inline */
28
29 #include "emul_generic.h"
30 #include "emul_netbsd.h"
31
32 #ifdef HAVE_STRING_H
33 #include <string.h>
34 #else
35 #ifdef HAVE_STRINGS_H
36 #include <strings.h>
37 #endif
38 #endif
39
40 #include <sys/types.h>
41 #include <sys/stat.h>
42 #include <stdio.h>
43 #include <signal.h>
44 #include <fcntl.h>
45 #include <sys/errno.h>
46 #include <sys/param.h>
47 #include <sys/time.h>
48
49 #ifdef HAVE_GETRUSAGE
50 #ifndef HAVE_SYS_RESOURCE_H
51 #undef HAVE_GETRUSAGE
52 #endif
53 #endif
54
55 #ifdef HAVE_GETRUSAGE
56 #include <sys/resource.h>
57 int getrusage();
58 #endif
59
60 #if HAVE_SYS_IOCTL_H
61 #include <sys/ioctl.h>
62 #endif
63
64 #if HAVE_SYS_MOUNT_H
65 #include <sys/mount.h>
66 #endif
67
68 #if HAVE_DIRENT_H
69 # include <dirent.h>
70 # define NAMLEN(dirent) strlen((dirent)->d_name)
71 #else
72 # define dirent direct
73 # define NAMLEN(dirent) (dirent)->d_namlen
74 # if HAVE_SYS_NDIR_H
75 # include <sys/ndir.h>
76 # endif
77 # if HAVE_SYS_DIR_H
78 # include <sys/dir.h>
79 # endif
80 # if HAVE_NDIR_H
81 # include <ndir.h>
82 # endif
83 #endif
84
85 #ifdef HAVE_UNISTD_H
86 #undef MAXPATHLEN /* sys/param.h might define this also */
87 #include <unistd.h>
88 #endif
89
90 #ifdef HAVE_STDLIB_H
91 #include <stdlib.h>
92 #endif
93
94 #define WITH_NetBSD_HOST (NetBSD >= 199306)
95 #if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
96 #include <sys/syscall.h> /* FIXME - should not be including this one */
97 #include <sys/sysctl.h>
98 extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
99 #else
100
101 /* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
102 #undef HAVE_FSTATFS
103 #undef HAVE_GETDIRENTRIES
104 #endif
105
106 #if (BSD < 199306) /* here BSD as just a bug */
107 extern int errno;
108 #endif
109
110 #ifndef STATIC_INLINE_EMUL_NETBSD
111 #define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
112 #endif
113
114
115 #if WITH_NetBSD_HOST
116 #define SYS(X) ASSERT(call == (SYS_##X))
117 #else
118 #define SYS(X)
119 #endif
120
121 #if WITH_NetBSD_HOST && (PATH_MAX != 1024)
122 #error "PATH_MAX not 1024"
123 #elif !defined(PATH_MAX)
124 #define PATH_MAX 1024
125 #endif
126
127
128 /* NetBSD's idea of what is needed to implement emulations */
129
130 struct _os_emul_data {
131 device *vm;
132 emul_syscall *syscalls;
133 };
134
135
136
137 STATIC_INLINE_EMUL_NETBSD void
138 write_stat(unsigned_word addr,
139 struct stat buf,
140 cpu *processor,
141 unsigned_word cia)
142 {
143 H2T(buf.st_dev);
144 H2T(buf.st_ino);
145 H2T(buf.st_mode);
146 H2T(buf.st_nlink);
147 H2T(buf.st_uid);
148 H2T(buf.st_gid);
149 H2T(buf.st_size);
150 H2T(buf.st_atime);
151 /* H2T(buf.st_spare1); */
152 H2T(buf.st_mtime);
153 /* H2T(buf.st_spare2); */
154 H2T(buf.st_ctime);
155 /* H2T(buf.st_spare3); */
156 #ifdef AC_STRUCT_ST_RDEV
157 H2T(buf.st_rdev);
158 #endif
159 #ifdef AC_STRUCT_ST_BLKSIZE
160 H2T(buf.st_blksize);
161 #endif
162 #ifdef AC_STRUCT_ST_BLOCKS
163 H2T(buf.st_blocks);
164 #endif
165 #if WITH_NetBSD_HOST
166 H2T(buf.st_flags);
167 H2T(buf.st_gen);
168 #endif
169 emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
170 }
171
172
173 #ifdef HAVE_FSTATFS
174 STATIC_INLINE_EMUL_NETBSD void
175 write_statfs(unsigned_word addr,
176 struct statfs buf,
177 cpu *processor,
178 unsigned_word cia)
179 {
180 H2T(buf.f_type);
181 H2T(buf.f_flags);
182 H2T(buf.f_bsize);
183 H2T(buf.f_iosize);
184 H2T(buf.f_blocks);
185 H2T(buf.f_bfree);
186 H2T(buf.f_bavail);
187 H2T(buf.f_files);
188 H2T(buf.f_ffree);
189 H2T(buf.f_fsid.val[0]);
190 H2T(buf.f_fsid.val[1]);
191 H2T(buf.f_owner);
192 /* f_spare[4]; */
193 /* f_fstypename[MFSNAMELEN]; */
194 /* f_mntonname[MNAMELEN]; */
195 /* f_mntfromname[MNAMELEN]; */
196 emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
197 }
198 #endif
199
200
201 STATIC_INLINE_EMUL_NETBSD void
202 write_timeval(unsigned_word addr,
203 struct timeval t,
204 cpu *processor,
205 unsigned_word cia)
206 {
207 H2T(t.tv_sec);
208 H2T(t.tv_usec);
209 emul_write_buffer(&t, addr, sizeof(t), processor, cia);
210 }
211
212
213 STATIC_INLINE_EMUL_NETBSD void
214 write_timezone(unsigned_word addr,
215 struct timezone tz,
216 cpu *processor,
217 unsigned_word cia)
218 {
219 H2T(tz.tz_minuteswest);
220 H2T(tz.tz_dsttime);
221 emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
222 }
223
224
225 #ifdef HAVE_GETDIRENTRIES
226 STATIC_INLINE_EMUL_NETBSD void
227 write_direntries(unsigned_word addr,
228 char *buf,
229 int nbytes,
230 cpu *processor,
231 unsigned_word cia)
232 {
233 while (nbytes > 0) {
234 struct dirent *out;
235 struct dirent *in = (struct dirent*)buf;
236 ASSERT(in->d_reclen <= nbytes);
237 out = (struct dirent*)zalloc(in->d_reclen);
238 memcpy(out/*dest*/, in/*src*/, in->d_reclen);
239 H2T(out->d_fileno);
240 H2T(out->d_reclen);
241 H2T(out->d_type);
242 H2T(out->d_namlen);
243 emul_write_buffer(out, addr, in->d_reclen, processor, cia);
244 nbytes -= in->d_reclen;
245 addr += in->d_reclen;
246 buf += in->d_reclen;
247 zfree(out);
248 }
249 }
250 #endif
251
252
253 #ifdef HAVE_GETRUSAGE
254 STATIC_INLINE_EMUL_NETBSD void
255 write_rusage(unsigned_word addr,
256 struct rusage rusage,
257 cpu *processor,
258 unsigned_word cia)
259 {
260 H2T(rusage.ru_utime.tv_sec); /* user time used */
261 H2T(rusage.ru_utime.tv_usec);
262 H2T(rusage.ru_stime.tv_sec); /* system time used */
263 H2T(rusage.ru_stime.tv_usec);
264 H2T(rusage.ru_maxrss); /* integral max resident set size */
265 H2T(rusage.ru_ixrss); /* integral shared text memory size */
266 H2T(rusage.ru_idrss); /* integral unshared data size */
267 H2T(rusage.ru_isrss); /* integral unshared stack size */
268 H2T(rusage.ru_minflt); /* page reclaims */
269 H2T(rusage.ru_majflt); /* page faults */
270 H2T(rusage.ru_nswap); /* swaps */
271 H2T(rusage.ru_inblock); /* block input operations */
272 H2T(rusage.ru_oublock); /* block output operations */
273 H2T(rusage.ru_msgsnd); /* messages sent */
274 H2T(rusage.ru_msgrcv); /* messages received */
275 H2T(rusage.ru_nsignals); /* signals received */
276 H2T(rusage.ru_nvcsw); /* voluntary context switches */
277 H2T(rusage.ru_nivcsw); /* involuntary context switches */
278 emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
279 }
280 #endif
281
282 static void
283 do_exit(os_emul_data *emul,
284 unsigned call,
285 const int arg0,
286 cpu *processor,
287 unsigned_word cia)
288 {
289 int status = (int)cpu_registers(processor)->gpr[arg0];
290 SYS(exit);
291 if (WITH_TRACE && ppc_trace[trace_os_emul])
292 printf_filtered ("%d)\n", status);
293
294 cpu_halt(processor, cia, was_exited, status);
295 }
296
297
298 static void
299 do_read(os_emul_data *emul,
300 unsigned call,
301 const int arg0,
302 cpu *processor,
303 unsigned_word cia)
304 {
305 void *scratch_buffer;
306 int d = (int)cpu_registers(processor)->gpr[arg0];
307 unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
308 int nbytes = cpu_registers(processor)->gpr[arg0+2];
309 int status;
310 SYS(read);
311
312 if (WITH_TRACE && ppc_trace[trace_os_emul])
313 printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
314
315 /* get a tempoary bufer */
316 scratch_buffer = zalloc(nbytes);
317
318 /* check if buffer exists by reading it */
319 emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
320
321 /* read */
322 #if 0
323 if (d == 0) {
324 status = fread (scratch_buffer, 1, nbytes, stdin);
325 if (status == 0 && ferror (stdin))
326 status = -1;
327 }
328 #endif
329 status = read (d, scratch_buffer, nbytes);
330
331 emul_write_status(processor, status, errno);
332 if (status > 0)
333 emul_write_buffer(scratch_buffer, buf, status, processor, cia);
334
335 zfree(scratch_buffer);
336 }
337
338
339 static void
340 do_write(os_emul_data *emul,
341 unsigned call,
342 const int arg0,
343 cpu *processor,
344 unsigned_word cia)
345 {
346 void *scratch_buffer = NULL;
347 int nr_moved;
348 int d = (int)cpu_registers(processor)->gpr[arg0];
349 unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
350 int nbytes = cpu_registers(processor)->gpr[arg0+2];
351 int status;
352 SYS(write);
353
354 if (WITH_TRACE && ppc_trace[trace_os_emul])
355 printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
356
357 /* get a tempoary bufer */
358 scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
359
360 /* copy in */
361 nr_moved = vm_data_map_read_buffer(cpu_data_map(processor),
362 scratch_buffer,
363 buf,
364 nbytes);
365 if (nr_moved != nbytes) {
366 /* FIXME - should handle better */
367 error("system_call()write copy failed (nr_moved=%d != nbytes=%d)\n",
368 nr_moved, nbytes);
369 }
370
371 /* write */
372 status = write(d, scratch_buffer, nbytes);
373 emul_write_status(processor, status, errno);
374 zfree(scratch_buffer);
375
376 flush_stdoutput();
377 }
378
379
380 static void
381 do_open(os_emul_data *emul,
382 unsigned call,
383 const int arg0,
384 cpu *processor,
385 unsigned_word cia)
386 {
387 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
388 char path_buf[PATH_MAX];
389 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
390 int flags = (int)cpu_registers(processor)->gpr[arg0+1];
391 int mode = (int)cpu_registers(processor)->gpr[arg0+2];
392
393 if (WITH_TRACE && ppc_trace[trace_os_emul])
394 printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
395
396 SYS(open);
397 emul_write_status(processor, open(path, flags, mode), errno);
398 }
399
400
401 static void
402 do_close(os_emul_data *emul,
403 unsigned call,
404 const int arg0,
405 cpu *processor,
406 unsigned_word cia)
407 {
408 int d = (int)cpu_registers(processor)->gpr[arg0];
409
410 if (WITH_TRACE && ppc_trace[trace_os_emul])
411 printf_filtered ("%d", d);
412
413 SYS(close);
414 emul_write_status(processor, close(d), errno);
415 }
416
417
418 static void
419 do_break(os_emul_data *emul,
420 unsigned call,
421 const int arg0,
422 cpu *processor,
423 unsigned_word cia)
424 {
425 /* just pass this onto the `vm' device */
426 psim *system = cpu_system(processor);
427 unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
428 int status;
429
430 if (WITH_TRACE && ppc_trace[trace_os_emul])
431 printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
432
433 SYS(break);
434 status = device_ioctl(emul->vm,
435 system,
436 processor,
437 cia,
438 new_break); /*ioctl-data*/
439 emul_write_status(processor, 0, status);
440 }
441
442
443 #ifndef HAVE_GETPID
444 #define do_getpid 0
445 #else
446 static void
447 do_getpid(os_emul_data *emul,
448 unsigned call,
449 const int arg0,
450 cpu *processor,
451 unsigned_word cia)
452 {
453 SYS(getpid);
454 emul_write_status(processor, (int)getpid(), 0);
455 }
456 #endif
457
458 #ifndef HAVE_GETUID
459 #define do_getuid 0
460 #else
461 static void
462 do_getuid(os_emul_data *emul,
463 unsigned call,
464 const int arg0,
465 cpu *processor,
466 unsigned_word cia)
467 {
468 SYS(getuid);
469 emul_write_status(processor, (int)getuid(), 0);
470 }
471 #endif
472
473 #ifndef HAVE_GETEUID
474 #define do_geteuid 0
475 #else
476 static void
477 do_geteuid(os_emul_data *emul,
478 unsigned call,
479 const int arg0,
480 cpu *processor,
481 unsigned_word cia)
482 {
483 SYS(geteuid);
484 emul_write_status(processor, (int)geteuid(), 0);
485 }
486 #endif
487
488 #ifndef HAVE_KILL
489 #define do_kill 0
490 #else
491 static void
492 do_kill(os_emul_data *emul,
493 unsigned call,
494 const int arg0,
495 cpu *processor,
496 unsigned_word cia)
497 {
498 pid_t pid = cpu_registers(processor)->gpr[arg0];
499 int sig = cpu_registers(processor)->gpr[arg0+1];
500
501 if (WITH_TRACE && ppc_trace[trace_os_emul])
502 printf_filtered ("%d, %d", (int)pid, sig);
503
504 SYS(kill);
505 printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
506 (long)cia);
507 cpu_halt(processor, cia, was_signalled, sig);
508 }
509 #endif
510
511 #ifndef HAVE_DUP
512 #define do_dup 0
513 #else
514 static void
515 do_dup(os_emul_data *emul,
516 unsigned call,
517 const int arg0,
518 cpu *processor,
519 unsigned_word cia)
520 {
521 int oldd = cpu_registers(processor)->gpr[arg0];
522 int status = dup(oldd);
523 int err = errno;
524
525 if (WITH_TRACE && ppc_trace[trace_os_emul])
526 printf_filtered ("%d", oldd);
527
528 SYS(dup);
529 emul_write_status(processor, status, err);
530 }
531 #endif
532
533 #ifndef HAVE_GETEGID
534 #define do_getegid 0
535 #else
536 static void
537 do_getegid(os_emul_data *emul,
538 unsigned call,
539 const int arg0,
540 cpu *processor,
541 unsigned_word cia)
542 {
543 SYS(getegid);
544 emul_write_status(processor, (int)getegid(), 0);
545 }
546 #endif
547
548 #ifndef HAVE_GETGID
549 #define do_getgid 0
550 #else
551 static void
552 do_getgid(os_emul_data *emul,
553 unsigned call,
554 const int arg0,
555 cpu *processor,
556 unsigned_word cia)
557 {
558 SYS(getgid);
559 emul_write_status(processor, (int)getgid(), 0);
560 }
561 #endif
562
563 #ifndef HAVE_SIGPROCMASK
564 #define do_sigprocmask 0
565 #else
566 static void
567 do_sigprocmask(os_emul_data *emul,
568 unsigned call,
569 const int arg0,
570 cpu *processor,
571 unsigned_word cia)
572 {
573 natural_word how = cpu_registers(processor)->gpr[arg0];
574 unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
575 unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
576 SYS(sigprocmask);
577
578 if (WITH_TRACE && ppc_trace[trace_os_emul])
579 printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
580
581 emul_write_status(processor, 0, 0);
582 cpu_registers(processor)->gpr[4] = set;
583 }
584 #endif
585
586 #ifndef HAVE_IOCTL
587 #define do_ioctl 0
588 #else
589 static void
590 do_ioctl(os_emul_data *emul,
591 unsigned call,
592 const int arg0,
593 cpu *processor,
594 unsigned_word cia)
595 {
596 int d = cpu_registers(processor)->gpr[arg0];
597 unsigned request = cpu_registers(processor)->gpr[arg0+1];
598 unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
599
600 #if !WITH_NetBSD_HOST
601 cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
602 #else
603 unsigned dir = request & IOC_DIRMASK;
604 int status;
605 SYS(ioctl);
606 /* what we haven't done */
607 if (dir & IOC_IN /* write into the io device */
608 || dir & IOC_OUT
609 || !(dir & IOC_VOID))
610 error("do_ioctl() read or write of parameter not implemented\n");
611 status = ioctl(d, request, NULL);
612 emul_write_status(processor, status, errno);
613 #endif
614
615 if (WITH_TRACE && ppc_trace[trace_os_emul])
616 printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
617 }
618 #endif
619
620 #ifndef HAVE_UMASK
621 #define do_umask 0
622 #else
623 static void
624 do_umask(os_emul_data *emul,
625 unsigned call,
626 const int arg0,
627 cpu *processor,
628 unsigned_word cia)
629 {
630 int mask = cpu_registers(processor)->gpr[arg0];
631
632 if (WITH_TRACE && ppc_trace[trace_os_emul])
633 printf_filtered ("0%o", mask);
634
635 SYS(umask);
636 emul_write_status(processor, umask(mask), 0);
637 }
638 #endif
639
640 #ifndef HAVE_DUP2
641 #define do_dup2 0
642 #else
643 static void
644 do_dup2(os_emul_data *emul,
645 unsigned call,
646 const int arg0,
647 cpu *processor,
648 unsigned_word cia)
649 {
650 int oldd = cpu_registers(processor)->gpr[arg0];
651 int newd = cpu_registers(processor)->gpr[arg0+1];
652 int status = dup2(oldd, newd);
653 int err = errno;
654
655 if (WITH_TRACE && ppc_trace[trace_os_emul])
656 printf_filtered ("%d, %d", oldd, newd);
657
658 SYS(dup2);
659 emul_write_status(processor, status, err);
660 }
661 #endif
662
663 #ifndef HAVE_FCNTL
664 #define do_fcntl 0
665 #else
666 static void
667 do_fcntl(os_emul_data *emul,
668 unsigned call,
669 const int arg0,
670 cpu *processor,
671 unsigned_word cia)
672 {
673 int fd = cpu_registers(processor)->gpr[arg0];
674 int cmd = cpu_registers(processor)->gpr[arg0+1];
675 int arg = cpu_registers(processor)->gpr[arg0+2];
676 int status;
677
678 if (WITH_TRACE && ppc_trace[trace_os_emul])
679 printf_filtered ("%d, %d, %d", fd, cmd, arg);
680
681 SYS(fcntl);
682 status = fcntl(fd, cmd, arg);
683 emul_write_status(processor, status, errno);
684 }
685 #endif
686
687 #ifndef HAVE_GETTIMEOFDAY
688 #define do_gettimeofday 0
689 #else
690 static void
691 do_gettimeofday(os_emul_data *emul,
692 unsigned call,
693 const int arg0,
694 cpu *processor,
695 unsigned_word cia)
696 {
697 unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
698 unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
699 struct timeval t;
700 struct timezone tz;
701 int status = gettimeofday((t_addr != 0 ? &t : NULL),
702 (tz_addr != 0 ? &tz : NULL));
703 int err = errno;
704
705 if (WITH_TRACE && ppc_trace[trace_os_emul])
706 printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
707
708 SYS(gettimeofday);
709 emul_write_status(processor, status, err);
710 if (status == 0) {
711 if (t_addr != 0)
712 write_timeval(t_addr, t, processor, cia);
713 if (tz_addr != 0)
714 write_timezone(tz_addr, tz, processor, cia);
715 }
716 }
717 #endif
718
719 #ifndef HAVE_GETRUSAGE
720 #define do_getrusage 0
721 #else
722 static void
723 do_getrusage(os_emul_data *emul,
724 unsigned call,
725 const int arg0,
726 cpu *processor,
727 unsigned_word cia)
728 {
729 int who = cpu_registers(processor)->gpr[arg0];
730 unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
731 struct rusage rusage;
732 int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
733 int err = errno;
734
735 if (WITH_TRACE && ppc_trace[trace_os_emul])
736 printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
737
738 SYS(getrusage);
739 emul_write_status(processor, status, err);
740 if (status == 0) {
741 if (rusage_addr != 0)
742 write_rusage(rusage_addr, rusage, processor, cia);
743 }
744 }
745 #endif
746
747
748 #ifndef HAVE_FSTATFS
749 #define do_fstatfs 0
750 #else
751 static void
752 do_fstatfs(os_emul_data *emul,
753 unsigned call,
754 const int arg0,
755 cpu *processor,
756 unsigned_word cia)
757 {
758 int fd = cpu_registers(processor)->gpr[arg0];
759 unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
760 struct statfs buf;
761 int status;
762
763 if (WITH_TRACE && ppc_trace[trace_os_emul])
764 printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
765
766 SYS(fstatfs);
767 status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
768 emul_write_status(processor, status, errno);
769 if (status == 0) {
770 if (buf_addr != 0)
771 write_statfs(buf_addr, buf, processor, cia);
772 }
773 }
774 #endif
775
776 #ifndef HAVE_STAT
777 #define do_stat 0
778 #else
779 static void
780 do_stat(os_emul_data *emul,
781 unsigned call,
782 const int arg0,
783 cpu *processor,
784 unsigned_word cia)
785 {
786 char path_buf[PATH_MAX];
787 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
788 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
789 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
790 struct stat buf;
791 int status;
792 SYS(stat);
793 status = stat(path, &buf);
794 emul_write_status(processor, status, errno);
795 if (status == 0)
796 write_stat(stat_buf_addr, buf, processor, cia);
797 }
798 #endif
799
800 #ifndef HAVE_FSTAT
801 #define do_fstat 0
802 #else
803 static void
804 do_fstat(os_emul_data *emul,
805 unsigned call,
806 const int arg0,
807 cpu *processor,
808 unsigned_word cia)
809 {
810 int fd = cpu_registers(processor)->gpr[arg0];
811 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
812 struct stat buf;
813 SYS(fstat);
814 emul_write_status(processor, fstat(fd, &buf), errno);
815 write_stat(stat_buf_addr, buf, processor, cia);
816 }
817 #endif
818
819 #ifndef HAVE_LSTAT
820 #define do_lstat 0
821 #else
822 static void
823 do_lstat(os_emul_data *emul,
824 unsigned call,
825 const int arg0,
826 cpu *processor,
827 unsigned_word cia)
828 {
829 char path_buf[PATH_MAX];
830 unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
831 char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
832 unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
833 struct stat buf;
834 SYS(lstat);
835 emul_write_status(processor, stat(path, &buf), errno);
836 write_stat(stat_buf_addr, buf, processor, cia);
837 }
838 #endif
839
840 #ifndef HAVE_GETDIRENTRIES
841 #define do_getdirentries 0
842 #else
843 static void
844 do_getdirentries(os_emul_data *emul,
845 unsigned call,
846 const int arg0,
847 cpu *processor,
848 unsigned_word cia)
849 {
850 int fd = cpu_registers(processor)->gpr[arg0];
851 unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
852 char *buf;
853 int nbytes = cpu_registers(processor)->gpr[arg0+2];
854 unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
855 long basep;
856 int status;
857 SYS(getdirentries);
858 if (buf_addr != 0 && nbytes >= 0)
859 buf = zalloc(nbytes);
860 else
861 buf = NULL;
862 status = getdirentries(fd,
863 (buf_addr == 0 ? NULL : buf),
864 nbytes,
865 (basep_addr == 0 ? NULL : &basep));
866 emul_write_status(processor, status, errno);
867 if (basep_addr != 0)
868 emul_write_word(basep_addr, basep, processor, cia);
869 if (status > 0)
870 write_direntries(buf_addr, buf, status, processor, cia);
871 if (buf != NULL)
872 zfree(buf);
873 }
874 #endif
875
876
877 static void
878 do___syscall(os_emul_data *emul,
879 unsigned call,
880 const int arg0,
881 cpu *processor,
882 unsigned_word cia)
883 {
884 SYS(__syscall);
885 emul_do_system_call(emul,
886 emul->syscalls,
887 cpu_registers(processor)->gpr[arg0],
888 arg0 + 1,
889 processor,
890 cia);
891 }
892
893 #ifndef HAVE_LSEEK
894 #define do_lseek 0
895 #else
896 static void
897 do_lseek(os_emul_data *emul,
898 unsigned call,
899 const int arg0,
900 cpu *processor,
901 unsigned_word cia)
902 {
903 int fildes = cpu_registers(processor)->gpr[arg0];
904 off_t offset = emul_read_gpr64(processor, arg0+2);
905 int whence = cpu_registers(processor)->gpr[arg0+4];
906 off_t status;
907 SYS(lseek);
908 status = lseek(fildes, offset, whence);
909 if (status == -1)
910 emul_write_status(processor, -1, errno);
911 else {
912 emul_write_status(processor, 0, 0); /* success */
913 emul_write_gpr64(processor, 3, status);
914 }
915 }
916 #endif
917
918 static void
919 do___sysctl(os_emul_data *emul,
920 unsigned call,
921 const int arg0,
922 cpu *processor,
923 unsigned_word cia)
924 {
925 /* call the arguments by their real name */
926 unsigned_word name = cpu_registers(processor)->gpr[arg0];
927 natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
928 unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
929 unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
930 natural_word oldlen;
931 natural_word mib;
932 natural_word int_val;
933 SYS(__sysctl);
934
935 /* pluck out the management information base id */
936 if (namelen < 1)
937 error("system_call()SYS___sysctl bad name[0]\n");
938 mib = vm_data_map_read_word(cpu_data_map(processor),
939 name,
940 processor,
941 cia);
942 name += sizeof(mib);
943
944 /* see what to do with it ... */
945 switch ((int)mib) {
946 case 6/*CTL_HW*/:
947 #if WITH_NetBSD_HOST && (CTL_HW != 6)
948 # error "CTL_HW"
949 #endif
950 if (namelen < 2)
951 error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
952 mib = vm_data_map_read_word(cpu_data_map(processor),
953 name,
954 processor,
955 cia);
956 name += sizeof(mib);
957 switch ((int)mib) {
958 case 7/*HW_PAGESIZE*/:
959 #if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
960 # error "HW_PAGESIZE"
961 #endif
962 oldlen = vm_data_map_read_word(cpu_data_map(processor),
963 oldlenp,
964 processor,
965 cia);
966 if (sizeof(natural_word) > oldlen)
967 error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
968 int_val = 8192;
969 oldlen = sizeof(int_val);
970 emul_write_word(oldp, int_val, processor, cia);
971 emul_write_word(oldlenp, oldlen, processor, cia);
972 break;
973 default:
974 error("sysctl() CTL_HW.%d unknown\n", mib);
975 break;
976 }
977 break;
978 default:
979 error("sysctl() name[0]=%d unknown\n", (int)mib);
980 break;
981 }
982 emul_write_status(processor, 0, 0); /* always succeed */
983 }
984
985
986
987 static emul_syscall_descriptor netbsd_descriptors[] = {
988 /* 0 */ { 0, "syscall" },
989 /* 1 */ { do_exit, "exit" },
990 /* 2 */ { 0, "fork" },
991 /* 3 */ { do_read, "read" },
992 /* 4 */ { do_write, "write" },
993 /* 5 */ { do_open, "open" },
994 /* 6 */ { do_close, "close" },
995 /* 7 */ { 0, "wait4" },
996 { 0, }, /* 8 is old creat */
997 /* 9 */ { 0, "link" },
998 /* 10 */ { 0, "unlink" },
999 { 0, }, /* 11 is obsolete execv */
1000 /* 12 */ { 0, "chdir" },
1001 /* 13 */ { 0, "fchdir" },
1002 /* 14 */ { 0, "mknod" },
1003 /* 15 */ { 0, "chmod" },
1004 /* 16 */ { 0, "chown" },
1005 /* 17 */ { do_break, "break" },
1006 /* 18 */ { 0, "getfsstat" },
1007 { 0, }, /* 19 is old lseek */
1008 /* 20 */ { do_getpid, "getpid" },
1009 /* 21 */ { 0, "mount" },
1010 /* 22 */ { 0, "unmount" },
1011 /* 23 */ { 0, "setuid" },
1012 /* 24 */ { do_getuid, "getuid" },
1013 /* 25 */ { do_geteuid, "geteuid" },
1014 /* 26 */ { 0, "ptrace" },
1015 /* 27 */ { 0, "recvmsg" },
1016 /* 28 */ { 0, "sendmsg" },
1017 /* 29 */ { 0, "recvfrom" },
1018 /* 30 */ { 0, "accept" },
1019 /* 31 */ { 0, "getpeername" },
1020 /* 32 */ { 0, "getsockname" },
1021 /* 33 */ { 0, "access" },
1022 /* 34 */ { 0, "chflags" },
1023 /* 35 */ { 0, "fchflags" },
1024 /* 36 */ { 0, "sync" },
1025 /* 37 */ { do_kill, "kill" },
1026 { 0, }, /* 38 is old stat */
1027 /* 39 */ { 0, "getppid" },
1028 { 0, }, /* 40 is old lstat */
1029 /* 41 */ { do_dup, "dup" },
1030 /* 42 */ { 0, "pipe" },
1031 /* 43 */ { do_getegid, "getegid" },
1032 /* 44 */ { 0, "profil" },
1033 /* 45 */ { 0, "ktrace" },
1034 /* 46 */ { 0, "sigaction" },
1035 /* 47 */ { do_getgid, "getgid" },
1036 /* 48 */ { do_sigprocmask, "sigprocmask" },
1037 /* 49 */ { 0, "getlogin" },
1038 /* 50 */ { 0, "setlogin" },
1039 /* 51 */ { 0, "acct" },
1040 /* 52 */ { 0, "sigpending" },
1041 /* 53 */ { 0, "sigaltstack" },
1042 /* 54 */ { do_ioctl, "ioctl" },
1043 /* 55 */ { 0, "reboot" },
1044 /* 56 */ { 0, "revoke" },
1045 /* 57 */ { 0, "symlink" },
1046 /* 58 */ { 0, "readlink" },
1047 /* 59 */ { 0, "execve" },
1048 /* 60 */ { do_umask, "umask" },
1049 /* 61 */ { 0, "chroot" },
1050 { 0, }, /* 62 is old fstat */
1051 { 0, }, /* 63 is old getkerninfo */
1052 { 0, }, /* 64 is old getpagesize */
1053 /* 65 */ { 0, "msync" },
1054 /* 66 */ { 0, "vfork" },
1055 { 0, }, /* 67 is obsolete vread */
1056 { 0, }, /* 68 is obsolete vwrite */
1057 /* 69 */ { 0, "sbrk" },
1058 /* 70 */ { 0, "sstk" },
1059 { 0, }, /* 71 is old mmap */
1060 /* 72 */ { 0, "vadvise" },
1061 /* 73 */ { 0, "munmap" },
1062 /* 74 */ { 0, "mprotect" },
1063 /* 75 */ { 0, "madvise" },
1064 { 0, }, /* 76 is obsolete vhangup */
1065 { 0, }, /* 77 is obsolete vlimit */
1066 /* 78 */ { 0, "mincore" },
1067 /* 79 */ { 0, "getgroups" },
1068 /* 80 */ { 0, "setgroups" },
1069 /* 81 */ { 0, "getpgrp" },
1070 /* 82 */ { 0, "setpgid" },
1071 /* 83 */ { 0, "setitimer" },
1072 { 0, }, /* 84 is old wait */
1073 /* 85 */ { 0, "swapon" },
1074 /* 86 */ { 0, "getitimer" },
1075 { 0, }, /* 87 is old gethostname */
1076 { 0, }, /* 88 is old sethostname */
1077 { 0, }, /* 89 is old getdtablesize */
1078 { do_dup2, "dup2" },
1079 { 0, }, /* 91 */
1080 /* 92 */ { do_fcntl, "fcntl" },
1081 /* 93 */ { 0, "select" },
1082 { 0, }, /* 94 */
1083 /* 95 */ { 0, "fsync" },
1084 /* 96 */ { 0, "setpriority" },
1085 /* 97 */ { 0, "socket" },
1086 /* 98 */ { 0, "connect" },
1087 { 0, }, /* 99 is old accept */
1088 /* 100 */ { 0, "getpriority" },
1089 { 0, }, /* 101 is old send */
1090 { 0, }, /* 102 is old recv */
1091 /* 103 */ { 0, "sigreturn" },
1092 /* 104 */ { 0, "bind" },
1093 /* 105 */ { 0, "setsockopt" },
1094 /* 106 */ { 0, "listen" },
1095 { 0, }, /* 107 is obsolete vtimes */
1096 { 0, }, /* 108 is old sigvec */
1097 { 0, }, /* 109 is old sigblock */
1098 { 0, }, /* 110 is old sigsetmask */
1099 /* 111 */ { 0, "sigsuspend" },
1100 { 0, }, /* 112 is old sigstack */
1101 { 0, }, /* 113 is old recvmsg */
1102 { 0, }, /* 114 is old sendmsg */
1103 /* - is obsolete vtrace */ { 0, "vtrace 115" },
1104 /* 116 */ { do_gettimeofday, "gettimeofday" },
1105 /* 117 */ { do_getrusage, "getrusage" },
1106 /* 118 */ { 0, "getsockopt" },
1107 /* 119 */ { 0, "resuba" },
1108 /* 120 */ { 0, "readv" },
1109 /* 121 */ { 0, "writev" },
1110 /* 122 */ { 0, "settimeofday" },
1111 /* 123 */ { 0, "fchown" },
1112 /* 124 */ { 0, "fchmod" },
1113 { 0, }, /* 125 is old recvfrom */
1114 { 0, }, /* 126 is old setreuid */
1115 { 0, }, /* 127 is old setregid */
1116 /* 128 */ { 0, "rename" },
1117 { 0, }, /* 129 is old truncate */
1118 { 0, }, /* 130 is old ftruncate */
1119 /* 131 */ { 0, "flock" },
1120 /* 132 */ { 0, "mkfifo" },
1121 /* 133 */ { 0, "sendto" },
1122 /* 134 */ { 0, "shutdown" },
1123 /* 135 */ { 0, "socketpair" },
1124 /* 136 */ { 0, "mkdir" },
1125 /* 137 */ { 0, "rmdir" },
1126 /* 138 */ { 0, "utimes" },
1127 { 0, }, /* 139 is obsolete 4.2 sigreturn */
1128 /* 140 */ { 0, "adjtime" },
1129 { 0, }, /* 141 is old getpeername */
1130 { 0, }, /* 142 is old gethostid */
1131 { 0, }, /* 143 is old sethostid */
1132 { 0, }, /* 144 is old getrlimit */
1133 { 0, }, /* 145 is old setrlimit */
1134 { 0, }, /* 146 is old killpg */
1135 /* 147 */ { 0, "setsid" },
1136 /* 148 */ { 0, "quotactl" },
1137 { 0, }, /* 149 is old quota */
1138 { 0, }, /* 150 is old getsockname */
1139 { 0, }, /* 151 */
1140 { 0, }, /* 152 */
1141 { 0, }, /* 153 */
1142 { 0, }, /* 154 */
1143 /* 155 */ { 0, "nfssvc" },
1144 { 0, }, /* 156 is old getdirentries */
1145 /* 157 */ { 0, "statfs" },
1146 /* 158 */ { do_fstatfs, "fstatfs" },
1147 { 0, }, /* 159 */
1148 { 0, }, /* 160 */
1149 /* 161 */ { 0, "getfh" },
1150 { 0, }, /* 162 is old getdomainname */
1151 { 0, }, /* 163 is old setdomainname */
1152 { 0, }, /* 164 is old uname */
1153 /* 165 */ { 0, "sysarch" },
1154 { 0, }, /* 166 */
1155 { 0, }, /* 167 */
1156 { 0, }, /* 168 */
1157 /* 169 */ { 0, "semsys" },
1158 /* 170 */ { 0, "msgsys" },
1159 /* 171 */ { 0, "shmsys" },
1160 { 0, }, /* 172 */
1161 { 0, }, /* 173 */
1162 { 0, }, /* 174 */
1163 { 0, }, /* 175 */
1164 { 0, }, /* 176 */
1165 { 0, }, /* 177 */
1166 { 0, }, /* 178 */
1167 { 0, }, /* 179 */
1168 { 0, }, /* 180 */
1169 /* 181 */ { 0, "setgid" },
1170 /* 182 */ { 0, "setegid" },
1171 /* 183 */ { 0, "seteuid" },
1172 /* 184 */ { 0, "lfs_bmapv" },
1173 /* 185 */ { 0, "lfs_markv" },
1174 /* 186 */ { 0, "lfs_segclean" },
1175 /* 187 */ { 0, "lfs_segwait" },
1176 /* 188 */ { do_stat, "stat" },
1177 /* 189 */ { do_fstat, "fstat" },
1178 /* 190 */ { do_lstat, "lstat" },
1179 /* 191 */ { 0, "pathconf" },
1180 /* 192 */ { 0, "fpathconf" },
1181 { 0, }, /* 193 */
1182 /* 194 */ { 0, "getrlimit" },
1183 /* 195 */ { 0, "setrlimit" },
1184 /* 196 */ { do_getdirentries, "getdirentries" },
1185 /* 197 */ { 0, "mmap" },
1186 /* 198 */ { do___syscall, "__syscall" },
1187 /* 199 */ { do_lseek, "lseek" },
1188 /* 200 */ { 0, "truncate" },
1189 /* 201 */ { 0, "ftruncate" },
1190 /* 202 */ { do___sysctl, "__sysctl" },
1191 /* 203 */ { 0, "mlock" },
1192 /* 204 */ { 0, "munlock" },
1193 };
1194
1195 static char *(netbsd_error_names[]) = {
1196 /* 0 */ "ESUCCESS",
1197 /* 1 */ "EPERM",
1198 /* 2 */ "ENOENT",
1199 /* 3 */ "ESRCH",
1200 /* 4 */ "EINTR",
1201 /* 5 */ "EIO",
1202 /* 6 */ "ENXIO",
1203 /* 7 */ "E2BIG",
1204 /* 8 */ "ENOEXEC",
1205 /* 9 */ "EBADF",
1206 /* 10 */ "ECHILD",
1207 /* 11 */ "EDEADLK",
1208 /* 12 */ "ENOMEM",
1209 /* 13 */ "EACCES",
1210 /* 14 */ "EFAULT",
1211 /* 15 */ "ENOTBLK",
1212 /* 16 */ "EBUSY",
1213 /* 17 */ "EEXIST",
1214 /* 18 */ "EXDEV",
1215 /* 19 */ "ENODEV",
1216 /* 20 */ "ENOTDIR",
1217 /* 21 */ "EISDIR",
1218 /* 22 */ "EINVAL",
1219 /* 23 */ "ENFILE",
1220 /* 24 */ "EMFILE",
1221 /* 25 */ "ENOTTY",
1222 /* 26 */ "ETXTBSY",
1223 /* 27 */ "EFBIG",
1224 /* 28 */ "ENOSPC",
1225 /* 29 */ "ESPIPE",
1226 /* 30 */ "EROFS",
1227 /* 31 */ "EMLINK",
1228 /* 32 */ "EPIPE",
1229 /* 33 */ "EDOM",
1230 /* 34 */ "ERANGE",
1231 /* 35 */ "EAGAIN",
1232 /* 36 */ "EINPROGRESS",
1233 /* 37 */ "EALREADY",
1234 /* 38 */ "ENOTSOCK",
1235 /* 39 */ "EDESTADDRREQ",
1236 /* 40 */ "EMSGSIZE",
1237 /* 41 */ "EPROTOTYPE",
1238 /* 42 */ "ENOPROTOOPT",
1239 /* 43 */ "EPROTONOSUPPORT",
1240 /* 44 */ "ESOCKTNOSUPPORT",
1241 /* 45 */ "EOPNOTSUPP",
1242 /* 46 */ "EPFNOSUPPORT",
1243 /* 47 */ "EAFNOSUPPORT",
1244 /* 48 */ "EADDRINUSE",
1245 /* 49 */ "EADDRNOTAVAIL",
1246 /* 50 */ "ENETDOWN",
1247 /* 51 */ "ENETUNREACH",
1248 /* 52 */ "ENETRESET",
1249 /* 53 */ "ECONNABORTED",
1250 /* 54 */ "ECONNRESET",
1251 /* 55 */ "ENOBUFS",
1252 /* 56 */ "EISCONN",
1253 /* 57 */ "ENOTCONN",
1254 /* 58 */ "ESHUTDOWN",
1255 /* 59 */ "ETOOMANYREFS",
1256 /* 60 */ "ETIMEDOUT",
1257 /* 61 */ "ECONNREFUSED",
1258 /* 62 */ "ELOOP",
1259 /* 63 */ "ENAMETOOLONG",
1260 /* 64 */ "EHOSTDOWN",
1261 /* 65 */ "EHOSTUNREACH",
1262 /* 66 */ "ENOTEMPTY",
1263 /* 67 */ "EPROCLIM",
1264 /* 68 */ "EUSERS",
1265 /* 69 */ "EDQUOT",
1266 /* 70 */ "ESTALE",
1267 /* 71 */ "EREMOTE",
1268 /* 72 */ "EBADRPC",
1269 /* 73 */ "ERPCMISMATCH",
1270 /* 74 */ "EPROGUNAVAIL",
1271 /* 75 */ "EPROGMISMATCH",
1272 /* 76 */ "EPROCUNAVAIL",
1273 /* 77 */ "ENOLCK",
1274 /* 78 */ "ENOSYS",
1275 /* 79 */ "EFTYPE",
1276 /* 80 */ "EAUTH",
1277 /* 81 */ "ENEEDAUTH",
1278 /* 81 */ "ELAST",
1279 };
1280
1281 static char *(netbsd_signal_names[]) = {
1282 /* 0 */ 0,
1283 /* 1 */ "SIGHUP",
1284 /* 2 */ "SIGINT",
1285 /* 3 */ "SIGQUIT",
1286 /* 4 */ "SIGILL",
1287 /* 5 */ "SIGTRAP",
1288 /* 6 */ "SIGABRT",
1289 /* 7 */ "SIGEMT",
1290 /* 8 */ "SIGFPE",
1291 /* 9 */ "SIGKILL",
1292 /* 10 */ "SIGBUS",
1293 /* 11 */ "SIGSEGV",
1294 /* 12 */ "SIGSYS",
1295 /* 13 */ "SIGPIPE",
1296 /* 14 */ "SIGALRM",
1297 /* 15 */ "SIGTERM",
1298 /* 16 */ "SIGURG",
1299 /* 17 */ "SIGSTOP",
1300 /* 18 */ "SIGTSTP",
1301 /* 19 */ "SIGCONT",
1302 /* 20 */ "SIGCHLD",
1303 /* 21 */ "SIGTTIN",
1304 /* 22 */ "SIGTTOU",
1305 /* 23 */ "SIGIO",
1306 /* 24 */ "SIGXCPU",
1307 /* 25 */ "SIGXFSZ",
1308 /* 26 */ "SIGVTALRM",
1309 /* 27 */ "SIGPROF",
1310 /* 28 */ "SIGWINCH",
1311 /* 29 */ "SIGINFO",
1312 /* 30 */ "SIGUSR1",
1313 /* 31 */ "SIGUSR2",
1314 };
1315
1316 static emul_syscall emul_netbsd_syscalls = {
1317 netbsd_descriptors,
1318 sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
1319 netbsd_error_names,
1320 sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
1321 netbsd_signal_names,
1322 sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
1323 };
1324
1325
1326 /* NetBSD's os_emul interface, most are just passed on to the generic
1327 syscall stuff */
1328
1329 static os_emul_data *
1330 emul_netbsd_create(device *root,
1331 bfd *image,
1332 const char *name)
1333 {
1334 unsigned_word top_of_stack;
1335 unsigned stack_size;
1336 int elf_binary;
1337 os_emul_data *bsd_data;
1338 device *vm;
1339
1340 /* check that this emulation is really for us */
1341 if (name != NULL && strcmp(name, "netbsd") != 0)
1342 return NULL;
1343 if (image == NULL)
1344 return NULL;
1345
1346
1347 /* merge any emulation specific entries into the device tree */
1348
1349 /* establish a few defaults */
1350 if (image->xvec->flavour == bfd_target_elf_flavour) {
1351 elf_binary = 1;
1352 top_of_stack = 0xe0000000;
1353 stack_size = 0x00100000;
1354 }
1355 else {
1356 elf_binary = 0;
1357 top_of_stack = 0x20000000;
1358 stack_size = 0x00100000;
1359 }
1360
1361 /* options */
1362 emul_add_tree_options(root, image, "netbsd",
1363 (WITH_ENVIRONMENT == USER_ENVIRONMENT
1364 ? "user" : "virtual"),
1365 0 /*oea-interrupt-prefix*/);
1366
1367 /* virtual memory - handles growth of stack/heap */
1368 vm = device_tree_add_parsed(root, "/openprom/vm@0x%lx",
1369 (unsigned long)(top_of_stack - stack_size));
1370 device_tree_add_parsed(vm, "./stack-base 0x%lx",
1371 (unsigned long)(top_of_stack - stack_size));
1372 device_tree_add_parsed(vm, "./nr-bytes 0x%x", stack_size);
1373
1374 device_tree_add_parsed(root, "/openprom/vm/map-binary/file-name %s",
1375 bfd_get_filename(image));
1376
1377 /* finish the init */
1378 device_tree_add_parsed(root, "/openprom/init/register/pc 0x%lx",
1379 (unsigned long)bfd_get_start_address(image));
1380 device_tree_add_parsed(root, "/openprom/init/register/sp 0x%lx",
1381 (unsigned long)top_of_stack);
1382 device_tree_add_parsed(root, "/openprom/init/register/msr 0x%x",
1383 (device_find_boolean_property(root, "/options/little-endian?")
1384 ? msr_little_endian_mode
1385 : 0));
1386 device_tree_add_parsed(root, "/openprom/init/stack/stack-type %s",
1387 (elf_binary ? "elf" : "xcoff"));
1388
1389 /* finally our emulation data */
1390 bsd_data = ZALLOC(os_emul_data);
1391 bsd_data->vm = vm;
1392 bsd_data->syscalls = &emul_netbsd_syscalls;
1393 return bsd_data;
1394 }
1395
1396 static void
1397 emul_netbsd_init(os_emul_data *emul_data,
1398 int nr_cpus)
1399 {
1400 /* nothing yet */
1401 }
1402
1403 static void
1404 emul_netbsd_system_call(cpu *processor,
1405 unsigned_word cia,
1406 os_emul_data *emul_data)
1407 {
1408 emul_do_system_call(emul_data,
1409 emul_data->syscalls,
1410 cpu_registers(processor)->gpr[0],
1411 3, /*r3 contains arg0*/
1412 processor,
1413 cia);
1414 }
1415
1416 const os_emul emul_netbsd = {
1417 "netbsd",
1418 emul_netbsd_create,
1419 emul_netbsd_init,
1420 emul_netbsd_system_call,
1421 0, /*instruction_call*/
1422 0 /*data*/
1423 };
1424
1425 #endif /* _EMUL_NETBSD_C_ */
The GNU Binutils are a collection of binary tools.