Add COMPAT_SVR4_NCR support for making the SVR4 emulation behave as

NCR SVR4, currently this means that syscall#76 (rdebug) should return
ENXIO instead of issueing a SIGSYS.  Also removed svr4_conf.h no
longer used.

4 files changed, 52 insertions, 3 deletions

diff --git a/sys/compat/svr4/files.svr4 b/sys/compat/svr4/files.svr4
index 31b4a7be2f4..123b5c0feef 100644
--- a/sys/compat/svr4/files.svr4
+++ b/sys/compat/svr4/files.svr4
@@ -1,4 +1,4 @@
-#	$OpenBSD: files.svr4,v 1.3 1996/04/21 22:18:17 deraadt Exp $
+#	$OpenBSD: files.svr4,v 1.4 1996/04/25 10:20:16 niklas Exp $
 #	$NetBSD: files.svr4,v 1.6 1996/04/11 12:43:29 christos Exp $
 #
 # Config.new file description for machine-independent SVR4 compat code.
@@ -24,3 +24,4 @@ file	compat/svr4/svr4_filio.c	compat_svr4
 file	compat/svr4/svr4_sockio.c	compat_svr4
 file	compat/svr4/svr4_error.c	compat_svr4
 file	compat/svr4/svr4_ipc.c		compat_svr4
+file	compat/svr4/svr4_ncr.c		compat_svr4
diff --git a/sys/compat/svr4/svr4_conf.h b/sys/compat/svr4/svr4_conf.h
deleted file mode 100644
index e69de29bb2d..00000000000
--- a/sys/compat/svr4/svr4_conf.h
+++ /dev/null
diff --git a/sys/compat/svr4/svr4_ncr.c b/sys/compat/svr4/svr4_ncr.c
new file mode 100644
index 00000000000..253739192c3
--- /dev/null
+++ b/sys/compat/svr4/svr4_ncr.c
@@ -0,0 +1,44 @@
+/*	$OpenBSD: svr4_ncr.c,v 1.1 1996/04/25 10:20:18 niklas Exp $	 */
+
+/*
+ * Copyright (c) 1995, 1996 Niklas Hallqvist
+ * 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.
+ */
+
+/*
+ * Handle NCR SVR4 peculiarities
+ */
+
+#ifdef COMPAT_SVR4_NCR
+
+#include <sys/errno.h>
+
+int
+svr4_ncr_sys_rdebug()
+{
+	return ENXIO;
+}
+
+#endif /* COMPAT_SVR4_NCR */
diff --git a/sys/compat/svr4/syscalls.master b/sys/compat/svr4/syscalls.master
index 676d3f0ea8d..30faf667e07 100644
--- a/sys/compat/svr4/syscalls.master
+++ b/sys/compat/svr4/syscalls.master
@@ -1,9 +1,9 @@
-	$OpenBSD: syscalls.master,v 1.5 1996/04/21 22:18:42 deraadt Exp $
+	$OpenBSD: syscalls.master,v 1.6 1996/04/25 10:20:18 niklas Exp $
 ;	$NetBSD: syscalls.master,v 1.17 1996/02/10 17:12:51 christos Exp $
 
 ;	@(#)syscalls.master	8.1 (Berkeley) 7/19/93
 
-; NetBSD COMPAT_SVR4 system call name/number "master" file.
+; OpenBSD COMPAT_SVR4 system call name/number "master" file.
 ; (See syscalls.conf to see what it is processed into.)
 ;
 ; Fields: number type [type-dependent ...]
@@ -140,7 +140,11 @@
 73	OBSOL		rumount
 74	OBSOL		rfstart
 75	OBSOL		sigret
+#ifdef COMPAT_SVR4_NCR
+76	STD		{ int svr4_ncr_sys_rdebug(); }
+#else
 76	OBSOL		rdebug
+#endif
 77	OBSOL		rfstop
 78	UNIMPL		rfsys
 79	NOARGS		{ int sys_rmdir(char *path); }