$NetBSD: patch-ay,v 1.1 1998/12/28 22:22:02 bad Exp $

--- /dev/null	Sun Dec 27 17:07:36 1998
+++ machdep/syscall-i386-netbsd-1.3.S	Sun Dec 27 17:21:41 1998
@@ -0,0 +1,200 @@
+/* ==== syscall.S ============================================================
+ * Copyright (c) 1990 The Regents of the University of California.
+ * Copyright (c) 1993 Chris Provenzano, proven@mit.edu
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ * Description : Machine dependent syscalls for i386/i486/i586
+ *
+ *  1.00 93/08/26 proven
+ *      -Started coding this file.
+ *
+ *	1.01 93/11/13 proven
+ *		-The functions readv() and writev() added.
+ */
+
+#ifndef lint
+	.text
+	.asciz "$Id: patch-ay,v 1.1 1998/12/28 22:22:02 bad Exp $";
+#endif
+ 
+#if defined(SYSLIBC_SCCS) && !defined(lint)
+        .asciz "@(#)syscall.s   5.1 (Berkeley) 4/23/90"
+#endif /* SYSLIBC_SCCS and not lint */
+
+#include <machine/asm.h>
+#include <sys/syscall.h>
+
+/*
+ * Initial asm stuff for all functions.
+ */
+	.text
+	.align	2
+
+
+/* ==========================================================================
+ * machdep_sys_fork()
+ */
+	.globl _machdep_sys_fork;		
+									
+_machdep_sys_fork:;				
+									
+	movl $(SYS_fork), %eax;		
+	.byte 0x9a; .long 0; .word 7;	
+	cmpl $0, %edx
+	je	2f
+	movl $0, %eax
+2:	
+	ret;							
+
+/* ==========================================================================
+ * machdep_sys___syscall()
+ */
+
+_machdep_sys___syscall:;				
+
+	movl $(SYS___syscall), %eax;		
+	int $0x80;						
+	jb 3f;
+	ret
+
+#ifndef SYS___sigsuspend14
+/* ==========================================================================
+ * machdep_sys_sigsuspend()
+ */
+	.globl _machdep_sys_sigsuspend;		
+
+_machdep_sys_sigsuspend:;
+
+	movl    4(%esp),%eax            # fetch mask arg
+    movl    (%eax),%eax             # indirect to mask arg
+    movl    %eax,4(%esp)
+	movl $(SYS_sigsuspend), %eax;		
+	int $0x80;						
+	jb 3f;
+	ret
+#endif
+
+3:
+	
+	neg		%eax
+	movl	$0xffffffff,%edx
+	ret
+
+/* ==========================================================================
+ * machdep_sys_lseek()
+ */
+	.globl _machdep_sys_lseek;		
+
+_machdep_sys_lseek:;				
+									
+	pushl  %ebp;
+	movl   %esp,%ebp;
+	pushl  0x14(%ebp);
+	pushl  0x10(%ebp);
+	pushl  0xc(%ebp);
+	pushl  $0x0;
+	pushl  0x8(%ebp);
+	pushl  $0x0;
+	pushl $(SYS_lseek);
+	call _machdep_sys___syscall;
+	leave
+	ret
+
+/* ==========================================================================
+ * machdep_sys_ftruncate() ; Added by Monty
+ */
+        .globl _machdep_sys_ftruncate;
+ 
+_machdep_sys_ftruncate:;
+ 
+        pushl  %ebp; 
+        movl   %esp,%ebp;
+        pushl  0x10(%ebp);
+        pushl  0xc(%ebp);
+        pushl  $0x0;			# Why this?
+        pushl  0x8(%ebp);
+        pushl  $0x0;			# And this?
+        pushl $(SYS_ftruncate);
+        call _machdep_sys___syscall;
+        leave
+        ret  
+
+#ifndef SYS___sigprocmask14
+/* ==========================================================================
+ * machdep_sys_sigprocmask()
+ */
+	.globl _machdep_sys_sigprocmask;		
+
+_machdep_sys_sigprocmask:;				
+									
+	movl 8(%esp),%ecx
+	movl (%ecx),%ecx
+    movl %ecx,8(%esp)
+	movl $(SYS_sigprocmask), %eax;		
+	int  $0x80;						
+	jb   3b;
+	ret
+#endif
+
+/* ==========================================================================
+ * machdep_sys_pipe()
+ */
+	.globl _machdep_sys_pipe;		
+
+_machdep_sys_pipe:;	
+									
+	movl $(SYS_pipe), %eax;		
+	int  $0x80;						
+	jb   3b;
+	movl 4(%esp),%ecx
+	movl %eax,(%ecx)
+	movl %edx,4(%ecx)
+	xorl %eax,%eax
+	ret
+
+/* ==========================================================================
+ * machdep_sys_fstat()
+ */
+	.globl _machdep_sys_fstat;
+
+_machdep_sys_fstat:;
+	movl $(SYS___fstat13), %eax;
+	int $0x80;
+	jb 4f;
+	ret
+4:
+	neg %eax
+	movl $0xffffffff,%edx
+	ret
+