Go with the flow; use `/emul/sunos' pseudo-root (from Matthew Green).
Note: sunos_stat() and sunos_lstat() were added too.
This commit is contained in:
pk
parent
769310e81d
commit
1e070197f4
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@ -1,4 +1,4 @@
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# $NetBSD: files.sunos,v 1.1 1995/04/27 12:05:37 christos Exp $
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# $NetBSD: files.sunos,v 1.2 1995/06/11 22:33:50 pk Exp $
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#
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# Config.new file description for machine-independent SunOS compat code.
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# Included by ports that need it.
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@ -10,4 +10,5 @@ file compat/sunos/sunos_exec.c compat_sunos
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file compat/sunos/sunos_sysent.c compat_sunos
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file compat/sunos/sunos_ioctl.c compat_sunos
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file compat/sunos/sunos_misc.c compat_sunos
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file compat/sunos/sunos_util.c compat_sunos
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#file compat/sunos/sunos_syscalls.c compat_sunos
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@ -1,4 +1,4 @@
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/* $NetBSD: sunos_ioctl.c,v 1.18 1995/05/04 19:46:31 pk Exp $ */
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/* $NetBSD: sunos_ioctl.c,v 1.19 1995/06/11 22:33:52 pk Exp $ */
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/*
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* Copyright (c) 1993 Markus Wild.
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@ -677,7 +677,6 @@ sunos_ioctl(p, uap, retval)
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sunos_aui.play = *(struct sunos_audio_prinfo *)&aui.play;
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sunos_aui.record = *(struct sunos_audio_prinfo *)&aui.record;
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sunos_aui.monitor_gain = aui.__spare; /* XXX */
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/* `avail_ports' is `seek' in BSD */
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#define AUDIO_SPEAKER 1
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@ -689,6 +688,12 @@ sunos_ioctl(p, uap, retval)
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sunos_aui.record.waiting = 0;
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sunos_aui.play.eof = 0;
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sunos_aui.record.eof = 0;
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sunos_aui.monitor_gain = aui.__spare; /* XXX */
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/*XXXsunos_aui.output_muted = 0;*/
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/*XXX*/sunos_aui.reserved[0] = 0;
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/*XXX*/sunos_aui.reserved[1] = 0;
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/*XXX*/sunos_aui.reserved[2] = 0;
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/*XXX*/sunos_aui.reserved[3] = 0;
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return copyout ((caddr_t)&sunos_aui, SCARG(uap, data),
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sizeof (sunos_aui));
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@ -1,4 +1,4 @@
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/* $NetBSD: sunos_misc.c,v 1.47 1995/04/27 12:05:40 christos Exp $ */
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/* $NetBSD: sunos_misc.c,v 1.48 1995/06/11 22:33:54 pk Exp $ */
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/*
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* Copyright (c) 1992, 1993
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@ -83,6 +83,7 @@
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#include <sys/syscallargs.h>
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#include <compat/sunos/sunos.h>
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#include <compat/sunos/sunos_syscallargs.h>
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#include <compat/sunos/sunos_util.h>
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#include <netinet/in.h>
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@ -113,12 +114,51 @@ sunos_creat(p, uap, retval)
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{
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struct sunos_open_args ouap;
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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SCARG(&ouap, path) = SCARG(uap, path);
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SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC;
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SCARG(&ouap, mode) = SCARG(uap, mode);
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return (open(p, &ouap, retval));
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}
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int
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sunos_access(p, uap, retval)
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struct proc *p;
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struct sunos_access_args *uap;
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register_t *retval;
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{
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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return (access(p, uap, retval));
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}
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int
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sunos_stat(p, uap, retval)
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struct proc *p;
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struct sunos_stat_args *uap;
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register_t *retval;
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{
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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return (compat_43_stat(p, uap, retval));
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}
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int
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sunos_lstat(p, uap, retval)
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struct proc *p;
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struct sunos_lstat_args *uap;
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register_t *retval;
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{
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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return (compat_43_lstat(p, uap, retval));
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}
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int
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sunos_execv(p, uap, retval)
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struct proc *p;
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@ -127,6 +167,9 @@ sunos_execv(p, uap, retval)
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{
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struct execve_args ouap;
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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SCARG(&ouap, path) = SCARG(uap, path);
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SCARG(&ouap, argp) = SCARG(uap, argp);
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SCARG(&ouap, envp) = NULL;
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@ -165,11 +208,8 @@ sunos_mount(p, uap, retval)
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register_t *retval;
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{
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int oflags = SCARG(uap, flags), nflags, error;
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extern char sigcode[], esigcode[];
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char fsname[MFSNAMELEN];
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#define szsigcode (esigcode - sigcode)
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if (oflags & (SUNM_NOSUB | SUNM_SYS5))
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return (EINVAL);
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if ((oflags & SUNM_NEWTYPE) == 0)
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@ -581,6 +621,9 @@ sunos_open(p, uap, retval)
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int noctty;
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int ret;
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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/* convert mode into NetBSD mode */
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l = SCARG(uap, flags);
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noctty = l & 0x8000;
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@ -707,6 +750,9 @@ sunos_statfs(p, uap, retval)
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int error;
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struct nameidata nd;
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
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if (error = namei(&nd))
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return (error);
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@ -759,6 +805,9 @@ sunos_mknod(p, uap, retval)
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struct sunos_mknod_args *uap;
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register_t *retval;
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{
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caddr_t sg = stackgap_init();
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CHECKALT(p, &sg, SCARG(uap, path));
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if (S_ISFIFO(SCARG(uap, mode)))
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return mkfifo(p, uap, retval);
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@ -30,11 +30,11 @@
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#define SUNOS_SYS_setuid 23
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#define SUNOS_SYS_getuid 24
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#define SUNOS_SYS_sunos_ptrace 26
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#define SUNOS_SYS_access 33
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#define SUNOS_SYS_sunos_access 33
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#define SUNOS_SYS_sync 36
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#define SUNOS_SYS_kill 37
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#define SUNOS_SYS_compat_43_stat 38
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#define SUNOS_SYS_compat_43_lstat 40
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#define SUNOS_SYS_sunos_stat 38
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#define SUNOS_SYS_sunos_lstat 40
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#define SUNOS_SYS_dup 41
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#define SUNOS_SYS_pipe 42
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#define SUNOS_SYS_profil 44
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@ -44,6 +44,21 @@ struct sunos_ptrace_args {
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syscallarg(char *) addr2;
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};
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struct sunos_access_args {
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syscallarg(char *) path;
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syscallarg(int) flags;
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};
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struct sunos_stat_args {
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syscallarg(char *) path;
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syscallarg(struct ostat *) ub;
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};
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struct sunos_lstat_args {
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syscallarg(char *) path;
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syscallarg(struct ostat *) ub;
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};
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struct sunos_mctl_args {
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syscallarg(caddr_t) addr;
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syscallarg(int) len;
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@ -39,14 +39,14 @@ char *sunos_syscallnames[] = {
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"#30 (unimplemented sunos_utime)", /* 30 = unimplemented sunos_utime */
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"#31 (unimplemented sunos_stty)", /* 31 = unimplemented sunos_stty */
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"#32 (unimplemented sunos_gtty)", /* 32 = unimplemented sunos_gtty */
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"access", /* 33 = access */
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"sunos_access", /* 33 = sunos_access */
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"#34 (unimplemented sunos_nice)", /* 34 = unimplemented sunos_nice */
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"#35 (unimplemented sunos_ftime)", /* 35 = unimplemented sunos_ftime */
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"sync", /* 36 = sync */
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"kill", /* 37 = kill */
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"compat_43_stat", /* 38 = compat_43_stat */
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"sunos_stat", /* 38 = sunos_stat */
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"#39 (unimplemented sunos_setpgrp)", /* 39 = unimplemented sunos_setpgrp */
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"compat_43_lstat", /* 40 = compat_43_lstat */
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"sunos_lstat", /* 40 = sunos_lstat */
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"dup", /* 41 = dup */
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"pipe", /* 42 = pipe */
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"#43 (unimplemented sunos_times)", /* 43 = unimplemented sunos_times */
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@ -34,11 +34,11 @@ int getpid();
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int setuid();
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int getuid();
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int sunos_ptrace();
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int access();
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int sunos_access();
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int sync();
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int kill();
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int compat_43_stat();
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int compat_43_lstat();
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int sunos_stat();
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int sunos_lstat();
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int dup();
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int pipe();
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int profil();
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@ -310,8 +310,8 @@ struct sysent sunos_sysent[] = {
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nosys }, /* 31 = unimplemented sunos_stty */
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{ 0, 0,
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nosys }, /* 32 = unimplemented sunos_gtty */
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{ 2, s(struct access_args),
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access }, /* 33 = access */
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{ 2, s(struct sunos_access_args),
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sunos_access }, /* 33 = sunos_access */
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{ 0, 0,
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nosys }, /* 34 = unimplemented sunos_nice */
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{ 0, 0,
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@ -320,12 +320,12 @@ struct sysent sunos_sysent[] = {
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sync }, /* 36 = sync */
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{ 2, s(struct kill_args),
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kill }, /* 37 = kill */
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{ 2, s(struct compat_43_stat_args),
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compat_43_stat }, /* 38 = compat_43_stat */
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{ 2, s(struct sunos_stat_args),
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sunos_stat }, /* 38 = sunos_stat */
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{ 0, 0,
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nosys }, /* 39 = unimplemented sunos_setpgrp */
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{ 2, s(struct compat_43_lstat_args),
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compat_43_lstat }, /* 40 = compat_43_lstat */
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{ 2, s(struct sunos_lstat_args),
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sunos_lstat }, /* 40 = sunos_lstat */
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{ 1, s(struct dup_args),
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dup }, /* 41 = dup */
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{ 0, 0,
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@ -0,0 +1,152 @@
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/* $NetBSD: sunos_util.c,v 1.1 1995/06/11 22:34:04 pk Exp $ */
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/*
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* Copyright (c) 1994 Christos Zoulas
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* All rights reserved.
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||||
*
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||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/namei.h>
|
||||
#include <sys/proc.h>
|
||||
#include <sys/file.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/filedesc.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/vnode.h>
|
||||
#include <sys/exec.h>
|
||||
|
||||
#include <compat/sunos/sunos_util.h>
|
||||
|
||||
const char sunos_emul_path[] = "/emul/sunos";
|
||||
|
||||
int
|
||||
sunos_emul_find(p, sgp, prefix, path, pbuf)
|
||||
struct proc * p;
|
||||
caddr_t * sgp; /* Pointer to stackgap memory */
|
||||
const char * prefix;
|
||||
char * path;
|
||||
char ** pbuf;
|
||||
{
|
||||
struct nameidata nd;
|
||||
struct nameidata ndroot;
|
||||
struct vattr vat;
|
||||
struct vattr vatroot;
|
||||
int error;
|
||||
char *ptr, *buf;
|
||||
size_t sz, len;
|
||||
|
||||
buf = (char *) malloc(MAXPATHLEN, M_TEMP, M_WAITOK);
|
||||
*pbuf = path;
|
||||
|
||||
for (ptr = buf; (*ptr = *prefix) != '\0'; ptr++, prefix++)
|
||||
continue;
|
||||
|
||||
sz = MAXPATHLEN - (ptr - buf);
|
||||
|
||||
/*
|
||||
* If sgp is not given then the path is already in kernel space
|
||||
*/
|
||||
if (sgp == NULL)
|
||||
error = copystr(path, ptr, sz, &len);
|
||||
else
|
||||
error = copyinstr(path, ptr, sz, &len);
|
||||
|
||||
if (error) {
|
||||
DPRINTF(("copy failed %d\n", error));
|
||||
free(buf, M_TEMP);
|
||||
return error;
|
||||
}
|
||||
DPRINTF(("looking for %s [%d, %d]: ", buf, sz, len));
|
||||
|
||||
if (*ptr != '/') {
|
||||
DPRINTF(("no slash\n"));
|
||||
free(buf, M_TEMP);
|
||||
return EINVAL;
|
||||
}
|
||||
|
||||
NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, buf, p);
|
||||
|
||||
if ((error = namei(&nd)) != 0) {
|
||||
DPRINTF(("not found\n"));
|
||||
free(buf, M_TEMP);
|
||||
return error;
|
||||
}
|
||||
|
||||
/*
|
||||
* We now compare the vnode of the sunos_root to the one
|
||||
* vnode asked. If they resolve to be the same, then we
|
||||
* ignore the match so that the real root gets used.
|
||||
* This avoids the problem of traversing "../.." to find the
|
||||
* root directory and never finding it, because "/" resolves
|
||||
* to the emulation root directory. This is expensive :-(
|
||||
*/
|
||||
/* XXX: prototype should have const here for NDINIT */
|
||||
NDINIT(&ndroot, LOOKUP, FOLLOW, UIO_SYSSPACE,
|
||||
(char *) sunos_emul_path, p);
|
||||
|
||||
if ((error = namei(&ndroot)) != 0) {
|
||||
/* Cannot happen! */
|
||||
DPRINTF(("no %s!\n", sunos_emul_path));
|
||||
free(buf, M_TEMP);
|
||||
vrele(nd.ni_vp);
|
||||
return error;
|
||||
}
|
||||
|
||||
if ((error = VOP_GETATTR(nd.ni_vp, &vat, p->p_ucred, p)) != 0) {
|
||||
DPRINTF(("no attr for directory\n"));
|
||||
goto done;
|
||||
}
|
||||
|
||||
if ((error = VOP_GETATTR(ndroot.ni_vp, &vatroot, p->p_ucred, p)) != 0) {
|
||||
DPRINTF(("no attr for root\n"));
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (vat.va_fsid == vatroot.va_fsid &&
|
||||
vat.va_fileid == vatroot.va_fileid) {
|
||||
DPRINTF(("return the real root\n"));
|
||||
error = ENOENT;
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (sgp == NULL)
|
||||
*pbuf = buf;
|
||||
else {
|
||||
sz = &ptr[len] - buf;
|
||||
*pbuf = stackgap_alloc(sgp, sz + 1);
|
||||
error = copyout(buf, *pbuf, sz);
|
||||
free(buf, M_TEMP);
|
||||
}
|
||||
|
||||
DPRINTF(("ok\n"));
|
||||
|
||||
done:
|
||||
vrele(nd.ni_vp);
|
||||
vrele(ndroot.ni_vp);
|
||||
return error;
|
||||
}
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
/* $NetBSD: sunos_util.h,v 1.1 1995/06/11 22:34:05 pk Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1994 Christos Zoulas
|
||||
* Copyright (c) 1995 Matthew Green
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#ifndef _SUNOS_UTIL_H_
|
||||
#define _SUNOS_UTIL_H_
|
||||
|
||||
#include <machine/vmparam.h>
|
||||
|
||||
extern char sigcode[], esigcode[];
|
||||
#define szsigcode (esigcode - sigcode)
|
||||
|
||||
static __inline caddr_t
|
||||
stackgap_init()
|
||||
{
|
||||
return STACKGAPBASE;
|
||||
}
|
||||
|
||||
|
||||
static __inline void *
|
||||
stackgap_alloc(sgp, sz)
|
||||
caddr_t *sgp;
|
||||
size_t sz;
|
||||
{
|
||||
void *p = (void *) *sgp;
|
||||
*sgp += ALIGN(sz);
|
||||
return p;
|
||||
}
|
||||
|
||||
#ifdef DEBUG_SUNOS
|
||||
#define DPRINTF(a) printf a;
|
||||
#else
|
||||
#define DPRINTF(a)
|
||||
#endif
|
||||
|
||||
extern const char sunos_emul_path[];
|
||||
extern int sunos_error[];
|
||||
|
||||
int sunos_emul_find __P((struct proc *, caddr_t *,
|
||||
const char *, char *, char **));
|
||||
|
||||
#define CHECKALT(p, sgp, path) \
|
||||
sunos_emul_find(p, sgp, sunos_emul_path, path, &(path))
|
||||
|
||||
#endif /* !_SUNOS_UTIL_H_ */
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
$NetBSD: syscalls.master,v 1.26 1995/04/22 23:45:33 christos Exp $
|
||||
$NetBSD: syscalls.master,v 1.27 1995/06/11 22:34:06 pk Exp $
|
||||
|
||||
; @(#)syscalls.master 8.1 (Berkeley) 7/19/93
|
||||
|
||||
|
|
@ -74,14 +74,14 @@
|
|||
30 UNIMPL sunos_utime
|
||||
31 UNIMPL sunos_stty
|
||||
32 UNIMPL sunos_gtty
|
||||
33 NOARGS { int access(char *path, int flags); }
|
||||
33 STD { int sunos_access(char *path, int flags); }
|
||||
34 UNIMPL sunos_nice
|
||||
35 UNIMPL sunos_ftime
|
||||
36 NOARGS { int sync(void); }
|
||||
37 NOARGS { int kill(int pid, int signum); }
|
||||
38 NOARGS { int compat_43_stat(char *path, struct ostat *ub); }
|
||||
38 STD { int sunos_stat(char *path, struct ostat *ub); }
|
||||
39 UNIMPL sunos_setpgrp
|
||||
40 NOARGS { int compat_43_lstat(char *path, struct ostat *ub); }
|
||||
40 STD { int sunos_lstat(char *path, struct ostat *ub); }
|
||||
41 NOARGS { int dup(u_int fd); }
|
||||
42 NOARGS { int pipe(void); }
|
||||
43 UNIMPL sunos_times
|
||||
|
|
|
|||
Loading…
Reference in New Issue