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SYS.h revision 1.10
      1   1.1  cgd /*-
      2   1.1  cgd  * Copyright (c) 1990 The Regents of the University of California.
      3   1.1  cgd  * All rights reserved.
      4   1.1  cgd  *
      5   1.1  cgd  * This code is derived from software contributed to Berkeley by
      6   1.1  cgd  * William Jolitz.
      7   1.1  cgd  *
      8   1.1  cgd  * Redistribution and use in source and binary forms, with or without
      9   1.1  cgd  * modification, are permitted provided that the following conditions
     10   1.1  cgd  * are met:
     11   1.1  cgd  * 1. Redistributions of source code must retain the above copyright
     12   1.1  cgd  *    notice, this list of conditions and the following disclaimer.
     13   1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     14   1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
     15   1.1  cgd  *    documentation and/or other materials provided with the distribution.
     16   1.1  cgd  * 3. All advertising materials mentioning features or use of this software
     17   1.1  cgd  *    must display the following acknowledgement:
     18   1.1  cgd  *	This product includes software developed by the University of
     19   1.1  cgd  *	California, Berkeley and its contributors.
     20   1.1  cgd  * 4. Neither the name of the University nor the names of its contributors
     21   1.1  cgd  *    may be used to endorse or promote products derived from this software
     22   1.1  cgd  *    without specific prior written permission.
     23   1.1  cgd  *
     24   1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     25   1.1  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26   1.1  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27   1.1  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     28   1.1  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29   1.1  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30   1.1  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31   1.1  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32   1.1  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33   1.1  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34   1.1  cgd  * SUCH DAMAGE.
     35   1.1  cgd  *
     36   1.1  cgd  *	from: @(#)SYS.h	5.5 (Berkeley) 5/7/91
     37  1.10  jtc  *	$Id: SYS.h,v 1.10 1996/10/17 18:14:56 jtc Exp $
     38   1.1  cgd  */
     39   1.1  cgd 
     40   1.1  cgd #include <machine/asm.h>
     41   1.1  cgd #include <sys/syscall.h>
     42   1.1  cgd 
     43   1.8  jtc #ifdef __STDC__
     44  1.10  jtc #define SYSTRAP(x)	movl $(SYS_ ## x),%eax; int $0x80
     45  1.10  jtc #else
     46  1.10  jtc #define SYSTRAP(x)	movl $(SYS_/**/x),%eax; int $0x80
     47  1.10  jtc #endif
     48   1.8  jtc 
     49  1.10  jtc #define	SYSCALL(x)	.text; .align 2; 2: jmp PIC_PLT(cerror); ENTRY(x); SYSTRAP(x); jc 2b
     50   1.8  jtc 
     51  1.10  jtc #define SYSCALL_NOERROR(x) \
     52  1.10  jtc 	ENTRY(x); \
     53  1.10  jtc 	SYSTRAP(x)
     54  1.10  jtc 
     55  1.10  jtc #define	RSYSCALL(x) \
     56  1.10  jtc 	SYSCALL(x); \
     57  1.10  jtc 	ret
     58  1.10  jtc 
     59  1.10  jtc #define RSYSCALL_NOERROR(x) \
     60  1.10  jtc 	SYSCALL_NOERROR(x); \
     61  1.10  jtc 	ret
     62  1.10  jtc 
     63  1.10  jtc #define	PSEUDO(x,y) \
     64  1.10  jtc 	ENTRY(x); \
     65  1.10  jtc 	SYSTRAP(y); \
     66  1.10  jtc 	ret
     67   1.1  cgd 
     68   1.1  cgd 	.globl	cerror
     69