1426 lines
34 KiB
C
1426 lines
34 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _EMUL_NETBSD_C_
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#define _EMUL_NETBSD_C_
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/* Note: this module is called via a table. There is no benefit in
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making it inline */
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#include "emul_generic.h"
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#include "emul_netbsd.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#else
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <sys/errno.h>
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#include <sys/param.h>
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#include <sys/time.h>
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#ifdef HAVE_GETRUSAGE
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#ifndef HAVE_SYS_RESOURCE_H
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#undef HAVE_GETRUSAGE
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#endif
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#endif
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#ifdef HAVE_GETRUSAGE
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#include <sys/resource.h>
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int getrusage();
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#endif
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#if HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#if HAVE_SYS_MOUNT_H
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#include <sys/mount.h>
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#endif
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#if HAVE_DIRENT_H
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# include <dirent.h>
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# define NAMLEN(dirent) strlen((dirent)->d_name)
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#else
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# define dirent direct
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# define NAMLEN(dirent) (dirent)->d_namlen
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# if HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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# if HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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# if HAVE_NDIR_H
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# include <ndir.h>
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# endif
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#endif
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#ifdef HAVE_UNISTD_H
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#undef MAXPATHLEN /* sys/param.h might define this also */
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#include <unistd.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#define WITH_NetBSD_HOST (NetBSD >= 199306)
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#if WITH_NetBSD_HOST /* here NetBSD as that is what we're emulating */
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#include <sys/syscall.h> /* FIXME - should not be including this one */
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#include <sys/sysctl.h>
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extern int getdirentries(int fd, char *buf, int nbytes, long *basep);
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#else
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/* If this is not netbsd, don't allow fstatfs or getdirentries at this time */
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#undef HAVE_FSTATFS
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#undef HAVE_GETDIRENTRIES
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#endif
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#if (BSD < 199306) /* here BSD as just a bug */
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extern int errno;
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#endif
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#ifndef STATIC_INLINE_EMUL_NETBSD
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#define STATIC_INLINE_EMUL_NETBSD STATIC_INLINE
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#endif
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#if WITH_NetBSD_HOST
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#define SYS(X) ASSERT(call == (SYS_##X))
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#else
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#define SYS(X)
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#endif
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#if WITH_NetBSD_HOST && (PATH_MAX != 1024)
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#error "PATH_MAX not 1024"
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#elif !defined(PATH_MAX)
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#define PATH_MAX 1024
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#endif
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/* NetBSD's idea of what is needed to implement emulations */
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struct _os_emul_data {
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device *vm;
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emul_syscall *syscalls;
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};
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STATIC_INLINE_EMUL_NETBSD void
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write_stat(unsigned_word addr,
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struct stat buf,
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cpu *processor,
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unsigned_word cia)
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{
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H2T(buf.st_dev);
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H2T(buf.st_ino);
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H2T(buf.st_mode);
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H2T(buf.st_nlink);
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H2T(buf.st_uid);
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H2T(buf.st_gid);
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H2T(buf.st_size);
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H2T(buf.st_atime);
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/* H2T(buf.st_spare1); */
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H2T(buf.st_mtime);
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/* H2T(buf.st_spare2); */
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H2T(buf.st_ctime);
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/* H2T(buf.st_spare3); */
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#ifdef AC_STRUCT_ST_RDEV
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H2T(buf.st_rdev);
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#endif
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#ifdef AC_STRUCT_ST_BLKSIZE
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H2T(buf.st_blksize);
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#endif
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#ifdef AC_STRUCT_ST_BLOCKS
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H2T(buf.st_blocks);
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#endif
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#if WITH_NetBSD_HOST
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H2T(buf.st_flags);
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H2T(buf.st_gen);
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#endif
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emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
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}
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#ifdef HAVE_FSTATFS
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STATIC_INLINE_EMUL_NETBSD void
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write_statfs(unsigned_word addr,
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struct statfs buf,
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cpu *processor,
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unsigned_word cia)
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{
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H2T(buf.f_type);
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H2T(buf.f_flags);
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H2T(buf.f_bsize);
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H2T(buf.f_iosize);
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H2T(buf.f_blocks);
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H2T(buf.f_bfree);
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H2T(buf.f_bavail);
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H2T(buf.f_files);
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H2T(buf.f_ffree);
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H2T(buf.f_fsid.val[0]);
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H2T(buf.f_fsid.val[1]);
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H2T(buf.f_owner);
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/* f_spare[4]; */
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/* f_fstypename[MFSNAMELEN]; */
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/* f_mntonname[MNAMELEN]; */
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/* f_mntfromname[MNAMELEN]; */
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emul_write_buffer(&buf, addr, sizeof(buf), processor, cia);
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}
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#endif
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STATIC_INLINE_EMUL_NETBSD void
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write_timeval(unsigned_word addr,
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struct timeval t,
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cpu *processor,
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unsigned_word cia)
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{
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H2T(t.tv_sec);
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H2T(t.tv_usec);
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emul_write_buffer(&t, addr, sizeof(t), processor, cia);
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}
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STATIC_INLINE_EMUL_NETBSD void
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write_timezone(unsigned_word addr,
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struct timezone tz,
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cpu *processor,
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unsigned_word cia)
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{
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H2T(tz.tz_minuteswest);
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H2T(tz.tz_dsttime);
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emul_write_buffer(&tz, addr, sizeof(tz), processor, cia);
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}
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#ifdef HAVE_GETDIRENTRIES
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STATIC_INLINE_EMUL_NETBSD void
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write_direntries(unsigned_word addr,
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char *buf,
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int nbytes,
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cpu *processor,
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unsigned_word cia)
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{
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while (nbytes > 0) {
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struct dirent *out;
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struct dirent *in = (struct dirent*)buf;
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ASSERT(in->d_reclen <= nbytes);
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out = (struct dirent*)zalloc(in->d_reclen);
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memcpy(out/*dest*/, in/*src*/, in->d_reclen);
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H2T(out->d_fileno);
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H2T(out->d_reclen);
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H2T(out->d_type);
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H2T(out->d_namlen);
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emul_write_buffer(out, addr, in->d_reclen, processor, cia);
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nbytes -= in->d_reclen;
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addr += in->d_reclen;
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buf += in->d_reclen;
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zfree(out);
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}
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}
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#endif
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#ifdef HAVE_GETRUSAGE
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STATIC_INLINE_EMUL_NETBSD void
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write_rusage(unsigned_word addr,
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struct rusage rusage,
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cpu *processor,
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unsigned_word cia)
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{
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H2T(rusage.ru_utime.tv_sec); /* user time used */
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H2T(rusage.ru_utime.tv_usec);
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H2T(rusage.ru_stime.tv_sec); /* system time used */
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H2T(rusage.ru_stime.tv_usec);
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H2T(rusage.ru_maxrss); /* integral max resident set size */
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H2T(rusage.ru_ixrss); /* integral shared text memory size */
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H2T(rusage.ru_idrss); /* integral unshared data size */
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H2T(rusage.ru_isrss); /* integral unshared stack size */
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H2T(rusage.ru_minflt); /* page reclaims */
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H2T(rusage.ru_majflt); /* page faults */
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H2T(rusage.ru_nswap); /* swaps */
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H2T(rusage.ru_inblock); /* block input operations */
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H2T(rusage.ru_oublock); /* block output operations */
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H2T(rusage.ru_msgsnd); /* messages sent */
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H2T(rusage.ru_msgrcv); /* messages received */
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H2T(rusage.ru_nsignals); /* signals received */
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H2T(rusage.ru_nvcsw); /* voluntary context switches */
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H2T(rusage.ru_nivcsw); /* involuntary context switches */
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emul_write_buffer(&rusage, addr, sizeof(rusage), processor, cia);
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}
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#endif
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static void
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do_exit(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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int status = (int)cpu_registers(processor)->gpr[arg0];
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SYS(exit);
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("%d)\n", status);
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cpu_halt(processor, cia, was_exited, status);
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}
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static void
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do_read(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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void *scratch_buffer;
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int d = (int)cpu_registers(processor)->gpr[arg0];
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unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
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int nbytes = cpu_registers(processor)->gpr[arg0+2];
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int status;
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SYS(read);
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
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/* get a tempoary bufer */
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scratch_buffer = zalloc(nbytes);
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/* check if buffer exists by reading it */
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emul_read_buffer(scratch_buffer, buf, nbytes, processor, cia);
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/* read */
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#if 0
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if (d == 0) {
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status = fread (scratch_buffer, 1, nbytes, stdin);
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if (status == 0 && ferror (stdin))
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status = -1;
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}
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#endif
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status = read (d, scratch_buffer, nbytes);
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emul_write_status(processor, status, errno);
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if (status > 0)
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emul_write_buffer(scratch_buffer, buf, status, processor, cia);
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zfree(scratch_buffer);
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}
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static void
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do_write(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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void *scratch_buffer = NULL;
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int nr_moved;
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int d = (int)cpu_registers(processor)->gpr[arg0];
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unsigned_word buf = cpu_registers(processor)->gpr[arg0+1];
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int nbytes = cpu_registers(processor)->gpr[arg0+2];
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int status;
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SYS(write);
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("%d, 0x%lx, %d", d, (long)buf, nbytes);
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/* get a tempoary bufer */
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scratch_buffer = zalloc(nbytes); /* FIXME - nbytes == 0 */
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/* copy in */
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nr_moved = vm_data_map_read_buffer(cpu_data_map(processor),
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scratch_buffer,
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buf,
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nbytes);
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if (nr_moved != nbytes) {
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/* FIXME - should handle better */
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error("system_call()write copy failed (nr_moved=%d != nbytes=%d)\n",
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nr_moved, nbytes);
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}
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/* write */
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status = write(d, scratch_buffer, nbytes);
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emul_write_status(processor, status, errno);
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zfree(scratch_buffer);
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flush_stdoutput();
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}
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static void
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do_open(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
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char path_buf[PATH_MAX];
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char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
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int flags = (int)cpu_registers(processor)->gpr[arg0+1];
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int mode = (int)cpu_registers(processor)->gpr[arg0+2];
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("0x%lx [%s], 0x%x, 0x%x", (long)path_addr, path, flags, mode);
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SYS(open);
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emul_write_status(processor, open(path, flags, mode), errno);
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}
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static void
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do_close(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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int d = (int)cpu_registers(processor)->gpr[arg0];
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("%d", d);
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SYS(close);
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emul_write_status(processor, close(d), errno);
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}
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static void
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do_break(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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/* just pass this onto the `vm' device */
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psim *system = cpu_system(processor);
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unsigned_word new_break = cpu_registers(processor)->gpr[arg0];
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int status;
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("0x%lx", (long)cpu_registers(processor)->gpr[arg0]);
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SYS(break);
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status = device_ioctl(emul->vm,
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system,
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processor,
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cia,
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new_break); /*ioctl-data*/
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emul_write_status(processor, 0, status);
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}
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#ifndef HAVE_GETPID
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#define do_getpid 0
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#else
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static void
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do_getpid(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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SYS(getpid);
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emul_write_status(processor, (int)getpid(), 0);
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}
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#endif
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#ifndef HAVE_GETUID
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#define do_getuid 0
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#else
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static void
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do_getuid(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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SYS(getuid);
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emul_write_status(processor, (int)getuid(), 0);
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}
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#endif
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#ifndef HAVE_GETEUID
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#define do_geteuid 0
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#else
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static void
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do_geteuid(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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SYS(geteuid);
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emul_write_status(processor, (int)geteuid(), 0);
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}
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#endif
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#ifndef HAVE_KILL
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#define do_kill 0
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#else
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static void
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do_kill(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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pid_t pid = cpu_registers(processor)->gpr[arg0];
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int sig = cpu_registers(processor)->gpr[arg0+1];
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("%d, %d", (int)pid, sig);
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SYS(kill);
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printf_filtered("SYS_kill at 0x%lx - more to this than just being killed\n",
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(long)cia);
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cpu_halt(processor, cia, was_signalled, sig);
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}
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#endif
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#ifndef HAVE_DUP
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#define do_dup 0
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#else
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static void
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do_dup(os_emul_data *emul,
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unsigned call,
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const int arg0,
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cpu *processor,
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unsigned_word cia)
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{
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int oldd = cpu_registers(processor)->gpr[arg0];
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int status = dup(oldd);
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int err = errno;
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if (WITH_TRACE && ppc_trace[trace_os_emul])
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printf_filtered ("%d", oldd);
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SYS(dup);
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emul_write_status(processor, status, err);
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}
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#endif
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#ifndef HAVE_GETEGID
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#define do_getegid 0
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#else
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static void
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|
do_getegid(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
SYS(getegid);
|
|
emul_write_status(processor, (int)getegid(), 0);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_GETGID
|
|
#define do_getgid 0
|
|
#else
|
|
static void
|
|
do_getgid(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
SYS(getgid);
|
|
emul_write_status(processor, (int)getgid(), 0);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_SIGPROCMASK
|
|
#define do_sigprocmask 0
|
|
#else
|
|
static void
|
|
do_sigprocmask(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
natural_word how = cpu_registers(processor)->gpr[arg0];
|
|
unsigned_word set = cpu_registers(processor)->gpr[arg0+1];
|
|
unsigned_word oset = cpu_registers(processor)->gpr[arg0+2];
|
|
SYS(sigprocmask);
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("%ld, 0x%ld, 0x%ld", (long)how, (long)set, (long)oset);
|
|
|
|
emul_write_status(processor, 0, 0);
|
|
cpu_registers(processor)->gpr[4] = set;
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_IOCTL
|
|
#define do_ioctl 0
|
|
#else
|
|
static void
|
|
do_ioctl(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int d = cpu_registers(processor)->gpr[arg0];
|
|
unsigned request = cpu_registers(processor)->gpr[arg0+1];
|
|
unsigned_word argp_addr = cpu_registers(processor)->gpr[arg0+2];
|
|
|
|
#if !WITH_NetBSD_HOST
|
|
cpu_registers(processor)->gpr[arg0] = 0; /* just succeed */
|
|
#else
|
|
unsigned dir = request & IOC_DIRMASK;
|
|
int status;
|
|
SYS(ioctl);
|
|
/* what we haven't done */
|
|
if (dir & IOC_IN /* write into the io device */
|
|
|| dir & IOC_OUT
|
|
|| !(dir & IOC_VOID))
|
|
error("do_ioctl() read or write of parameter not implemented\n");
|
|
status = ioctl(d, request, NULL);
|
|
emul_write_status(processor, status, errno);
|
|
#endif
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("%d, 0x%x, 0x%lx", d, request, (long)argp_addr);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_UMASK
|
|
#define do_umask 0
|
|
#else
|
|
static void
|
|
do_umask(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int mask = cpu_registers(processor)->gpr[arg0];
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("0%o", mask);
|
|
|
|
SYS(umask);
|
|
emul_write_status(processor, umask(mask), 0);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_DUP2
|
|
#define do_dup2 0
|
|
#else
|
|
static void
|
|
do_dup2(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int oldd = cpu_registers(processor)->gpr[arg0];
|
|
int newd = cpu_registers(processor)->gpr[arg0+1];
|
|
int status = dup2(oldd, newd);
|
|
int err = errno;
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("%d, %d", oldd, newd);
|
|
|
|
SYS(dup2);
|
|
emul_write_status(processor, status, err);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_FCNTL
|
|
#define do_fcntl 0
|
|
#else
|
|
static void
|
|
do_fcntl(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int fd = cpu_registers(processor)->gpr[arg0];
|
|
int cmd = cpu_registers(processor)->gpr[arg0+1];
|
|
int arg = cpu_registers(processor)->gpr[arg0+2];
|
|
int status;
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("%d, %d, %d", fd, cmd, arg);
|
|
|
|
SYS(fcntl);
|
|
status = fcntl(fd, cmd, arg);
|
|
emul_write_status(processor, status, errno);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_GETTIMEOFDAY
|
|
#define do_gettimeofday 0
|
|
#else
|
|
static void
|
|
do_gettimeofday(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
unsigned_word t_addr = cpu_registers(processor)->gpr[arg0];
|
|
unsigned_word tz_addr = cpu_registers(processor)->gpr[arg0+1];
|
|
struct timeval t;
|
|
struct timezone tz;
|
|
int status = gettimeofday((t_addr != 0 ? &t : NULL),
|
|
(tz_addr != 0 ? &tz : NULL));
|
|
int err = errno;
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("0x%lx, 0x%lx", (long)t_addr, (long)tz_addr);
|
|
|
|
SYS(gettimeofday);
|
|
emul_write_status(processor, status, err);
|
|
if (status == 0) {
|
|
if (t_addr != 0)
|
|
write_timeval(t_addr, t, processor, cia);
|
|
if (tz_addr != 0)
|
|
write_timezone(tz_addr, tz, processor, cia);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_GETRUSAGE
|
|
#define do_getrusage 0
|
|
#else
|
|
static void
|
|
do_getrusage(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int who = cpu_registers(processor)->gpr[arg0];
|
|
unsigned_word rusage_addr = cpu_registers(processor)->gpr[arg0+1];
|
|
struct rusage rusage;
|
|
int status = getrusage(who, (rusage_addr != 0 ? &rusage : NULL));
|
|
int err = errno;
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("%d, 0x%lx", who, (long)rusage_addr);
|
|
|
|
SYS(getrusage);
|
|
emul_write_status(processor, status, err);
|
|
if (status == 0) {
|
|
if (rusage_addr != 0)
|
|
write_rusage(rusage_addr, rusage, processor, cia);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
#ifndef HAVE_FSTATFS
|
|
#define do_fstatfs 0
|
|
#else
|
|
static void
|
|
do_fstatfs(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int fd = cpu_registers(processor)->gpr[arg0];
|
|
unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
|
|
struct statfs buf;
|
|
int status;
|
|
|
|
if (WITH_TRACE && ppc_trace[trace_os_emul])
|
|
printf_filtered ("%d, 0x%lx", fd, (long)buf_addr);
|
|
|
|
SYS(fstatfs);
|
|
status = fstatfs(fd, (buf_addr == 0 ? NULL : &buf));
|
|
emul_write_status(processor, status, errno);
|
|
if (status == 0) {
|
|
if (buf_addr != 0)
|
|
write_statfs(buf_addr, buf, processor, cia);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_STAT
|
|
#define do_stat 0
|
|
#else
|
|
static void
|
|
do_stat(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
char path_buf[PATH_MAX];
|
|
unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
|
|
unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
|
|
char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
|
|
struct stat buf;
|
|
int status;
|
|
SYS(stat);
|
|
status = stat(path, &buf);
|
|
emul_write_status(processor, status, errno);
|
|
if (status == 0)
|
|
write_stat(stat_buf_addr, buf, processor, cia);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_FSTAT
|
|
#define do_fstat 0
|
|
#else
|
|
static void
|
|
do_fstat(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int fd = cpu_registers(processor)->gpr[arg0];
|
|
unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
|
|
struct stat buf;
|
|
SYS(fstat);
|
|
emul_write_status(processor, fstat(fd, &buf), errno);
|
|
write_stat(stat_buf_addr, buf, processor, cia);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_LSTAT
|
|
#define do_lstat 0
|
|
#else
|
|
static void
|
|
do_lstat(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
char path_buf[PATH_MAX];
|
|
unsigned_word path_addr = cpu_registers(processor)->gpr[arg0];
|
|
char *path = emul_read_string(path_buf, path_addr, PATH_MAX, processor, cia);
|
|
unsigned_word stat_buf_addr = cpu_registers(processor)->gpr[arg0+1];
|
|
struct stat buf;
|
|
SYS(lstat);
|
|
emul_write_status(processor, stat(path, &buf), errno);
|
|
write_stat(stat_buf_addr, buf, processor, cia);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_GETDIRENTRIES
|
|
#define do_getdirentries 0
|
|
#else
|
|
static void
|
|
do_getdirentries(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int fd = cpu_registers(processor)->gpr[arg0];
|
|
unsigned_word buf_addr = cpu_registers(processor)->gpr[arg0+1];
|
|
char *buf;
|
|
int nbytes = cpu_registers(processor)->gpr[arg0+2];
|
|
unsigned_word basep_addr = cpu_registers(processor)->gpr[arg0+3];
|
|
long basep;
|
|
int status;
|
|
SYS(getdirentries);
|
|
if (buf_addr != 0 && nbytes >= 0)
|
|
buf = zalloc(nbytes);
|
|
else
|
|
buf = NULL;
|
|
status = getdirentries(fd,
|
|
(buf_addr == 0 ? NULL : buf),
|
|
nbytes,
|
|
(basep_addr == 0 ? NULL : &basep));
|
|
emul_write_status(processor, status, errno);
|
|
if (basep_addr != 0)
|
|
emul_write_word(basep_addr, basep, processor, cia);
|
|
if (status > 0)
|
|
write_direntries(buf_addr, buf, status, processor, cia);
|
|
if (buf != NULL)
|
|
zfree(buf);
|
|
}
|
|
#endif
|
|
|
|
|
|
static void
|
|
do___syscall(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
SYS(__syscall);
|
|
emul_do_system_call(emul,
|
|
emul->syscalls,
|
|
cpu_registers(processor)->gpr[arg0],
|
|
arg0 + 1,
|
|
processor,
|
|
cia);
|
|
}
|
|
|
|
#ifndef HAVE_LSEEK
|
|
#define do_lseek 0
|
|
#else
|
|
static void
|
|
do_lseek(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
int fildes = cpu_registers(processor)->gpr[arg0];
|
|
off_t offset = emul_read_gpr64(processor, arg0+2);
|
|
int whence = cpu_registers(processor)->gpr[arg0+4];
|
|
off_t status;
|
|
SYS(lseek);
|
|
status = lseek(fildes, offset, whence);
|
|
if (status == -1)
|
|
emul_write_status(processor, -1, errno);
|
|
else {
|
|
emul_write_status(processor, 0, 0); /* success */
|
|
emul_write_gpr64(processor, 3, status);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
do___sysctl(os_emul_data *emul,
|
|
unsigned call,
|
|
const int arg0,
|
|
cpu *processor,
|
|
unsigned_word cia)
|
|
{
|
|
/* call the arguments by their real name */
|
|
unsigned_word name = cpu_registers(processor)->gpr[arg0];
|
|
natural_word namelen = cpu_registers(processor)->gpr[arg0+1];
|
|
unsigned_word oldp = cpu_registers(processor)->gpr[arg0+2];
|
|
unsigned_word oldlenp = cpu_registers(processor)->gpr[arg0+3];
|
|
natural_word oldlen;
|
|
natural_word mib;
|
|
natural_word int_val;
|
|
SYS(__sysctl);
|
|
|
|
/* pluck out the management information base id */
|
|
if (namelen < 1)
|
|
error("system_call()SYS___sysctl bad name[0]\n");
|
|
mib = vm_data_map_read_word(cpu_data_map(processor),
|
|
name,
|
|
processor,
|
|
cia);
|
|
name += sizeof(mib);
|
|
|
|
/* see what to do with it ... */
|
|
switch ((int)mib) {
|
|
case 6/*CTL_HW*/:
|
|
#if WITH_NetBSD_HOST && (CTL_HW != 6)
|
|
# error "CTL_HW"
|
|
#endif
|
|
if (namelen < 2)
|
|
error("system_call()SYS___sysctl - CTL_HW - bad name[1]\n");
|
|
mib = vm_data_map_read_word(cpu_data_map(processor),
|
|
name,
|
|
processor,
|
|
cia);
|
|
name += sizeof(mib);
|
|
switch ((int)mib) {
|
|
case 7/*HW_PAGESIZE*/:
|
|
#if WITH_NetBSD_HOST && (HW_PAGESIZE != 7)
|
|
# error "HW_PAGESIZE"
|
|
#endif
|
|
oldlen = vm_data_map_read_word(cpu_data_map(processor),
|
|
oldlenp,
|
|
processor,
|
|
cia);
|
|
if (sizeof(natural_word) > oldlen)
|
|
error("system_call()sysctl - CTL_HW.HW_PAGESIZE - to small\n");
|
|
int_val = 8192;
|
|
oldlen = sizeof(int_val);
|
|
emul_write_word(oldp, int_val, processor, cia);
|
|
emul_write_word(oldlenp, oldlen, processor, cia);
|
|
break;
|
|
default:
|
|
error("sysctl() CTL_HW.%d unknown\n", mib);
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
error("sysctl() name[0]=%d unknown\n", (int)mib);
|
|
break;
|
|
}
|
|
emul_write_status(processor, 0, 0); /* always succeed */
|
|
}
|
|
|
|
|
|
|
|
static emul_syscall_descriptor netbsd_descriptors[] = {
|
|
/* 0 */ { 0, "syscall" },
|
|
/* 1 */ { do_exit, "exit" },
|
|
/* 2 */ { 0, "fork" },
|
|
/* 3 */ { do_read, "read" },
|
|
/* 4 */ { do_write, "write" },
|
|
/* 5 */ { do_open, "open" },
|
|
/* 6 */ { do_close, "close" },
|
|
/* 7 */ { 0, "wait4" },
|
|
{ 0, }, /* 8 is old creat */
|
|
/* 9 */ { 0, "link" },
|
|
/* 10 */ { 0, "unlink" },
|
|
{ 0, }, /* 11 is obsolete execv */
|
|
/* 12 */ { 0, "chdir" },
|
|
/* 13 */ { 0, "fchdir" },
|
|
/* 14 */ { 0, "mknod" },
|
|
/* 15 */ { 0, "chmod" },
|
|
/* 16 */ { 0, "chown" },
|
|
/* 17 */ { do_break, "break" },
|
|
/* 18 */ { 0, "getfsstat" },
|
|
{ 0, }, /* 19 is old lseek */
|
|
/* 20 */ { do_getpid, "getpid" },
|
|
/* 21 */ { 0, "mount" },
|
|
/* 22 */ { 0, "unmount" },
|
|
/* 23 */ { 0, "setuid" },
|
|
/* 24 */ { do_getuid, "getuid" },
|
|
/* 25 */ { do_geteuid, "geteuid" },
|
|
/* 26 */ { 0, "ptrace" },
|
|
/* 27 */ { 0, "recvmsg" },
|
|
/* 28 */ { 0, "sendmsg" },
|
|
/* 29 */ { 0, "recvfrom" },
|
|
/* 30 */ { 0, "accept" },
|
|
/* 31 */ { 0, "getpeername" },
|
|
/* 32 */ { 0, "getsockname" },
|
|
/* 33 */ { 0, "access" },
|
|
/* 34 */ { 0, "chflags" },
|
|
/* 35 */ { 0, "fchflags" },
|
|
/* 36 */ { 0, "sync" },
|
|
/* 37 */ { do_kill, "kill" },
|
|
{ 0, }, /* 38 is old stat */
|
|
/* 39 */ { 0, "getppid" },
|
|
{ 0, }, /* 40 is old lstat */
|
|
/* 41 */ { do_dup, "dup" },
|
|
/* 42 */ { 0, "pipe" },
|
|
/* 43 */ { do_getegid, "getegid" },
|
|
/* 44 */ { 0, "profil" },
|
|
/* 45 */ { 0, "ktrace" },
|
|
/* 46 */ { 0, "sigaction" },
|
|
/* 47 */ { do_getgid, "getgid" },
|
|
/* 48 */ { do_sigprocmask, "sigprocmask" },
|
|
/* 49 */ { 0, "getlogin" },
|
|
/* 50 */ { 0, "setlogin" },
|
|
/* 51 */ { 0, "acct" },
|
|
/* 52 */ { 0, "sigpending" },
|
|
/* 53 */ { 0, "sigaltstack" },
|
|
/* 54 */ { do_ioctl, "ioctl" },
|
|
/* 55 */ { 0, "reboot" },
|
|
/* 56 */ { 0, "revoke" },
|
|
/* 57 */ { 0, "symlink" },
|
|
/* 58 */ { 0, "readlink" },
|
|
/* 59 */ { 0, "execve" },
|
|
/* 60 */ { do_umask, "umask" },
|
|
/* 61 */ { 0, "chroot" },
|
|
{ 0, }, /* 62 is old fstat */
|
|
{ 0, }, /* 63 is old getkerninfo */
|
|
{ 0, }, /* 64 is old getpagesize */
|
|
/* 65 */ { 0, "msync" },
|
|
/* 66 */ { 0, "vfork" },
|
|
{ 0, }, /* 67 is obsolete vread */
|
|
{ 0, }, /* 68 is obsolete vwrite */
|
|
/* 69 */ { 0, "sbrk" },
|
|
/* 70 */ { 0, "sstk" },
|
|
{ 0, }, /* 71 is old mmap */
|
|
/* 72 */ { 0, "vadvise" },
|
|
/* 73 */ { 0, "munmap" },
|
|
/* 74 */ { 0, "mprotect" },
|
|
/* 75 */ { 0, "madvise" },
|
|
{ 0, }, /* 76 is obsolete vhangup */
|
|
{ 0, }, /* 77 is obsolete vlimit */
|
|
/* 78 */ { 0, "mincore" },
|
|
/* 79 */ { 0, "getgroups" },
|
|
/* 80 */ { 0, "setgroups" },
|
|
/* 81 */ { 0, "getpgrp" },
|
|
/* 82 */ { 0, "setpgid" },
|
|
/* 83 */ { 0, "setitimer" },
|
|
{ 0, }, /* 84 is old wait */
|
|
/* 85 */ { 0, "swapon" },
|
|
/* 86 */ { 0, "getitimer" },
|
|
{ 0, }, /* 87 is old gethostname */
|
|
{ 0, }, /* 88 is old sethostname */
|
|
{ 0, }, /* 89 is old getdtablesize */
|
|
{ do_dup2, "dup2" },
|
|
{ 0, }, /* 91 */
|
|
/* 92 */ { do_fcntl, "fcntl" },
|
|
/* 93 */ { 0, "select" },
|
|
{ 0, }, /* 94 */
|
|
/* 95 */ { 0, "fsync" },
|
|
/* 96 */ { 0, "setpriority" },
|
|
/* 97 */ { 0, "socket" },
|
|
/* 98 */ { 0, "connect" },
|
|
{ 0, }, /* 99 is old accept */
|
|
/* 100 */ { 0, "getpriority" },
|
|
{ 0, }, /* 101 is old send */
|
|
{ 0, }, /* 102 is old recv */
|
|
/* 103 */ { 0, "sigreturn" },
|
|
/* 104 */ { 0, "bind" },
|
|
/* 105 */ { 0, "setsockopt" },
|
|
/* 106 */ { 0, "listen" },
|
|
{ 0, }, /* 107 is obsolete vtimes */
|
|
{ 0, }, /* 108 is old sigvec */
|
|
{ 0, }, /* 109 is old sigblock */
|
|
{ 0, }, /* 110 is old sigsetmask */
|
|
/* 111 */ { 0, "sigsuspend" },
|
|
{ 0, }, /* 112 is old sigstack */
|
|
{ 0, }, /* 113 is old recvmsg */
|
|
{ 0, }, /* 114 is old sendmsg */
|
|
/* - is obsolete vtrace */ { 0, "vtrace 115" },
|
|
/* 116 */ { do_gettimeofday, "gettimeofday" },
|
|
/* 117 */ { do_getrusage, "getrusage" },
|
|
/* 118 */ { 0, "getsockopt" },
|
|
/* 119 */ { 0, "resuba" },
|
|
/* 120 */ { 0, "readv" },
|
|
/* 121 */ { 0, "writev" },
|
|
/* 122 */ { 0, "settimeofday" },
|
|
/* 123 */ { 0, "fchown" },
|
|
/* 124 */ { 0, "fchmod" },
|
|
{ 0, }, /* 125 is old recvfrom */
|
|
{ 0, }, /* 126 is old setreuid */
|
|
{ 0, }, /* 127 is old setregid */
|
|
/* 128 */ { 0, "rename" },
|
|
{ 0, }, /* 129 is old truncate */
|
|
{ 0, }, /* 130 is old ftruncate */
|
|
/* 131 */ { 0, "flock" },
|
|
/* 132 */ { 0, "mkfifo" },
|
|
/* 133 */ { 0, "sendto" },
|
|
/* 134 */ { 0, "shutdown" },
|
|
/* 135 */ { 0, "socketpair" },
|
|
/* 136 */ { 0, "mkdir" },
|
|
/* 137 */ { 0, "rmdir" },
|
|
/* 138 */ { 0, "utimes" },
|
|
{ 0, }, /* 139 is obsolete 4.2 sigreturn */
|
|
/* 140 */ { 0, "adjtime" },
|
|
{ 0, }, /* 141 is old getpeername */
|
|
{ 0, }, /* 142 is old gethostid */
|
|
{ 0, }, /* 143 is old sethostid */
|
|
{ 0, }, /* 144 is old getrlimit */
|
|
{ 0, }, /* 145 is old setrlimit */
|
|
{ 0, }, /* 146 is old killpg */
|
|
/* 147 */ { 0, "setsid" },
|
|
/* 148 */ { 0, "quotactl" },
|
|
{ 0, }, /* 149 is old quota */
|
|
{ 0, }, /* 150 is old getsockname */
|
|
{ 0, }, /* 151 */
|
|
{ 0, }, /* 152 */
|
|
{ 0, }, /* 153 */
|
|
{ 0, }, /* 154 */
|
|
/* 155 */ { 0, "nfssvc" },
|
|
{ 0, }, /* 156 is old getdirentries */
|
|
/* 157 */ { 0, "statfs" },
|
|
/* 158 */ { do_fstatfs, "fstatfs" },
|
|
{ 0, }, /* 159 */
|
|
{ 0, }, /* 160 */
|
|
/* 161 */ { 0, "getfh" },
|
|
{ 0, }, /* 162 is old getdomainname */
|
|
{ 0, }, /* 163 is old setdomainname */
|
|
{ 0, }, /* 164 is old uname */
|
|
/* 165 */ { 0, "sysarch" },
|
|
{ 0, }, /* 166 */
|
|
{ 0, }, /* 167 */
|
|
{ 0, }, /* 168 */
|
|
/* 169 */ { 0, "semsys" },
|
|
/* 170 */ { 0, "msgsys" },
|
|
/* 171 */ { 0, "shmsys" },
|
|
{ 0, }, /* 172 */
|
|
{ 0, }, /* 173 */
|
|
{ 0, }, /* 174 */
|
|
{ 0, }, /* 175 */
|
|
{ 0, }, /* 176 */
|
|
{ 0, }, /* 177 */
|
|
{ 0, }, /* 178 */
|
|
{ 0, }, /* 179 */
|
|
{ 0, }, /* 180 */
|
|
/* 181 */ { 0, "setgid" },
|
|
/* 182 */ { 0, "setegid" },
|
|
/* 183 */ { 0, "seteuid" },
|
|
/* 184 */ { 0, "lfs_bmapv" },
|
|
/* 185 */ { 0, "lfs_markv" },
|
|
/* 186 */ { 0, "lfs_segclean" },
|
|
/* 187 */ { 0, "lfs_segwait" },
|
|
/* 188 */ { do_stat, "stat" },
|
|
/* 189 */ { do_fstat, "fstat" },
|
|
/* 190 */ { do_lstat, "lstat" },
|
|
/* 191 */ { 0, "pathconf" },
|
|
/* 192 */ { 0, "fpathconf" },
|
|
{ 0, }, /* 193 */
|
|
/* 194 */ { 0, "getrlimit" },
|
|
/* 195 */ { 0, "setrlimit" },
|
|
/* 196 */ { do_getdirentries, "getdirentries" },
|
|
/* 197 */ { 0, "mmap" },
|
|
/* 198 */ { do___syscall, "__syscall" },
|
|
/* 199 */ { do_lseek, "lseek" },
|
|
/* 200 */ { 0, "truncate" },
|
|
/* 201 */ { 0, "ftruncate" },
|
|
/* 202 */ { do___sysctl, "__sysctl" },
|
|
/* 203 */ { 0, "mlock" },
|
|
/* 204 */ { 0, "munlock" },
|
|
};
|
|
|
|
static char *(netbsd_error_names[]) = {
|
|
/* 0 */ "ESUCCESS",
|
|
/* 1 */ "EPERM",
|
|
/* 2 */ "ENOENT",
|
|
/* 3 */ "ESRCH",
|
|
/* 4 */ "EINTR",
|
|
/* 5 */ "EIO",
|
|
/* 6 */ "ENXIO",
|
|
/* 7 */ "E2BIG",
|
|
/* 8 */ "ENOEXEC",
|
|
/* 9 */ "EBADF",
|
|
/* 10 */ "ECHILD",
|
|
/* 11 */ "EDEADLK",
|
|
/* 12 */ "ENOMEM",
|
|
/* 13 */ "EACCES",
|
|
/* 14 */ "EFAULT",
|
|
/* 15 */ "ENOTBLK",
|
|
/* 16 */ "EBUSY",
|
|
/* 17 */ "EEXIST",
|
|
/* 18 */ "EXDEV",
|
|
/* 19 */ "ENODEV",
|
|
/* 20 */ "ENOTDIR",
|
|
/* 21 */ "EISDIR",
|
|
/* 22 */ "EINVAL",
|
|
/* 23 */ "ENFILE",
|
|
/* 24 */ "EMFILE",
|
|
/* 25 */ "ENOTTY",
|
|
/* 26 */ "ETXTBSY",
|
|
/* 27 */ "EFBIG",
|
|
/* 28 */ "ENOSPC",
|
|
/* 29 */ "ESPIPE",
|
|
/* 30 */ "EROFS",
|
|
/* 31 */ "EMLINK",
|
|
/* 32 */ "EPIPE",
|
|
/* 33 */ "EDOM",
|
|
/* 34 */ "ERANGE",
|
|
/* 35 */ "EAGAIN",
|
|
/* 36 */ "EINPROGRESS",
|
|
/* 37 */ "EALREADY",
|
|
/* 38 */ "ENOTSOCK",
|
|
/* 39 */ "EDESTADDRREQ",
|
|
/* 40 */ "EMSGSIZE",
|
|
/* 41 */ "EPROTOTYPE",
|
|
/* 42 */ "ENOPROTOOPT",
|
|
/* 43 */ "EPROTONOSUPPORT",
|
|
/* 44 */ "ESOCKTNOSUPPORT",
|
|
/* 45 */ "EOPNOTSUPP",
|
|
/* 46 */ "EPFNOSUPPORT",
|
|
/* 47 */ "EAFNOSUPPORT",
|
|
/* 48 */ "EADDRINUSE",
|
|
/* 49 */ "EADDRNOTAVAIL",
|
|
/* 50 */ "ENETDOWN",
|
|
/* 51 */ "ENETUNREACH",
|
|
/* 52 */ "ENETRESET",
|
|
/* 53 */ "ECONNABORTED",
|
|
/* 54 */ "ECONNRESET",
|
|
/* 55 */ "ENOBUFS",
|
|
/* 56 */ "EISCONN",
|
|
/* 57 */ "ENOTCONN",
|
|
/* 58 */ "ESHUTDOWN",
|
|
/* 59 */ "ETOOMANYREFS",
|
|
/* 60 */ "ETIMEDOUT",
|
|
/* 61 */ "ECONNREFUSED",
|
|
/* 62 */ "ELOOP",
|
|
/* 63 */ "ENAMETOOLONG",
|
|
/* 64 */ "EHOSTDOWN",
|
|
/* 65 */ "EHOSTUNREACH",
|
|
/* 66 */ "ENOTEMPTY",
|
|
/* 67 */ "EPROCLIM",
|
|
/* 68 */ "EUSERS",
|
|
/* 69 */ "EDQUOT",
|
|
/* 70 */ "ESTALE",
|
|
/* 71 */ "EREMOTE",
|
|
/* 72 */ "EBADRPC",
|
|
/* 73 */ "ERPCMISMATCH",
|
|
/* 74 */ "EPROGUNAVAIL",
|
|
/* 75 */ "EPROGMISMATCH",
|
|
/* 76 */ "EPROCUNAVAIL",
|
|
/* 77 */ "ENOLCK",
|
|
/* 78 */ "ENOSYS",
|
|
/* 79 */ "EFTYPE",
|
|
/* 80 */ "EAUTH",
|
|
/* 81 */ "ENEEDAUTH",
|
|
/* 81 */ "ELAST",
|
|
};
|
|
|
|
static char *(netbsd_signal_names[]) = {
|
|
/* 0 */ 0,
|
|
/* 1 */ "SIGHUP",
|
|
/* 2 */ "SIGINT",
|
|
/* 3 */ "SIGQUIT",
|
|
/* 4 */ "SIGILL",
|
|
/* 5 */ "SIGTRAP",
|
|
/* 6 */ "SIGABRT",
|
|
/* 7 */ "SIGEMT",
|
|
/* 8 */ "SIGFPE",
|
|
/* 9 */ "SIGKILL",
|
|
/* 10 */ "SIGBUS",
|
|
/* 11 */ "SIGSEGV",
|
|
/* 12 */ "SIGSYS",
|
|
/* 13 */ "SIGPIPE",
|
|
/* 14 */ "SIGALRM",
|
|
/* 15 */ "SIGTERM",
|
|
/* 16 */ "SIGURG",
|
|
/* 17 */ "SIGSTOP",
|
|
/* 18 */ "SIGTSTP",
|
|
/* 19 */ "SIGCONT",
|
|
/* 20 */ "SIGCHLD",
|
|
/* 21 */ "SIGTTIN",
|
|
/* 22 */ "SIGTTOU",
|
|
/* 23 */ "SIGIO",
|
|
/* 24 */ "SIGXCPU",
|
|
/* 25 */ "SIGXFSZ",
|
|
/* 26 */ "SIGVTALRM",
|
|
/* 27 */ "SIGPROF",
|
|
/* 28 */ "SIGWINCH",
|
|
/* 29 */ "SIGINFO",
|
|
/* 30 */ "SIGUSR1",
|
|
/* 31 */ "SIGUSR2",
|
|
};
|
|
|
|
static emul_syscall emul_netbsd_syscalls = {
|
|
netbsd_descriptors,
|
|
sizeof(netbsd_descriptors) / sizeof(netbsd_descriptors[0]),
|
|
netbsd_error_names,
|
|
sizeof(netbsd_error_names) / sizeof(netbsd_error_names[0]),
|
|
netbsd_signal_names,
|
|
sizeof(netbsd_signal_names) / sizeof(netbsd_signal_names[0]),
|
|
};
|
|
|
|
|
|
/* NetBSD's os_emul interface, most are just passed on to the generic
|
|
syscall stuff */
|
|
|
|
static os_emul_data *
|
|
emul_netbsd_create(device *root,
|
|
bfd *image,
|
|
const char *name)
|
|
{
|
|
unsigned_word top_of_stack;
|
|
unsigned stack_size;
|
|
int elf_binary;
|
|
os_emul_data *bsd_data;
|
|
device *vm;
|
|
|
|
/* check that this emulation is really for us */
|
|
if (name != NULL && strcmp(name, "netbsd") != 0)
|
|
return NULL;
|
|
if (image == NULL)
|
|
return NULL;
|
|
|
|
|
|
/* merge any emulation specific entries into the device tree */
|
|
|
|
/* establish a few defaults */
|
|
if (image->xvec->flavour == bfd_target_elf_flavour) {
|
|
elf_binary = 1;
|
|
top_of_stack = 0xe0000000;
|
|
stack_size = 0x00100000;
|
|
}
|
|
else {
|
|
elf_binary = 0;
|
|
top_of_stack = 0x20000000;
|
|
stack_size = 0x00100000;
|
|
}
|
|
|
|
/* options */
|
|
emul_add_tree_options(root, image, "netbsd",
|
|
(WITH_ENVIRONMENT == USER_ENVIRONMENT
|
|
? "user" : "virtual"),
|
|
0 /*oea-interrupt-prefix*/);
|
|
|
|
/* virtual memory - handles growth of stack/heap */
|
|
vm = device_tree_add_parsed(root, "/openprom/vm@0x%lx",
|
|
(unsigned long)(top_of_stack - stack_size));
|
|
device_tree_add_parsed(vm, "./stack-base 0x%lx",
|
|
(unsigned long)(top_of_stack - stack_size));
|
|
device_tree_add_parsed(vm, "./nr-bytes 0x%x", stack_size);
|
|
|
|
device_tree_add_parsed(root, "/openprom/vm/map-binary/file-name %s",
|
|
bfd_get_filename(image));
|
|
|
|
/* finish the init */
|
|
device_tree_add_parsed(root, "/openprom/init/register/pc 0x%lx",
|
|
(unsigned long)bfd_get_start_address(image));
|
|
device_tree_add_parsed(root, "/openprom/init/register/sp 0x%lx",
|
|
(unsigned long)top_of_stack);
|
|
device_tree_add_parsed(root, "/openprom/init/register/msr 0x%x",
|
|
(device_find_boolean_property(root, "/options/little-endian?")
|
|
? msr_little_endian_mode
|
|
: 0));
|
|
device_tree_add_parsed(root, "/openprom/init/stack/stack-type %s",
|
|
(elf_binary ? "elf" : "xcoff"));
|
|
|
|
/* finally our emulation data */
|
|
bsd_data = ZALLOC(os_emul_data);
|
|
bsd_data->vm = vm;
|
|
bsd_data->syscalls = &emul_netbsd_syscalls;
|
|
return bsd_data;
|
|
}
|
|
|
|
static void
|
|
emul_netbsd_init(os_emul_data *emul_data,
|
|
int nr_cpus)
|
|
{
|
|
/* nothing yet */
|
|
}
|
|
|
|
static void
|
|
emul_netbsd_system_call(cpu *processor,
|
|
unsigned_word cia,
|
|
os_emul_data *emul_data)
|
|
{
|
|
emul_do_system_call(emul_data,
|
|
emul_data->syscalls,
|
|
cpu_registers(processor)->gpr[0],
|
|
3, /*r3 contains arg0*/
|
|
processor,
|
|
cia);
|
|
}
|
|
|
|
const os_emul emul_netbsd = {
|
|
"netbsd",
|
|
emul_netbsd_create,
|
|
emul_netbsd_init,
|
|
emul_netbsd_system_call,
|
|
0, /*instruction_call*/
|
|
0 /*data*/
|
|
};
|
|
|
|
#endif /* _EMUL_NETBSD_C_ */
|