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