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Annotation of sys/lib/libkern/arch/m68k/SYS.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: SYS.h,v 1.3 2003/06/02 23:28:08 millert Exp $ */
                      2: /*     $NetBSD: SYS.h,v 1.2 1994/10/26 06:39:23 cgd Exp $      */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1990 The Regents of the University of California.
                      6:  * All rights reserved.
                      7:  *
                      8:  * This code is derived from software contributed to Berkeley by
                      9:  * the Systems Programming Group of the University of Utah Computer
                     10:  * Science Department.
                     11:  *
                     12:  * Redistribution and use in source and binary forms, with or without
                     13:  * modification, are permitted provided that the following conditions
                     14:  * are met:
                     15:  * 1. Redistributions of source code must retain the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer.
                     17:  * 2. Redistributions in binary form must reproduce the above copyright
                     18:  *    notice, this list of conditions and the following disclaimer in the
                     19:  *    documentation and/or other materials provided with the distribution.
                     20:  * 3. Neither the name of the University nor the names of its contributors
                     21:  *    may be used to endorse or promote products derived from this software
                     22:  *    without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     34:  * SUCH DAMAGE.
                     35:  *
                     36:  *     @(#)SYS.h       5.5 (Berkeley) 5/7/91
                     37:  */
                     38:
                     39: #include <sys/syscall.h>
                     40: #include <machine/asm.h>
                     41:
                     42: #ifdef __STDC__
                     43:
                     44: #ifdef PIC
                     45: /* With PIC code, we can't pass the error to cerror in d0,
                     46:    because the jump might go via the binder. */
                     47: #define        SYSCALL(x)      .even; err: movl d0,sp@-; jra cerror; ENTRY(x); \
                     48:                        movl \#SYS_ ## x,d0; trap \#0; jcs err
                     49: #else /* !PIC */
                     50: #define        SYSCALL(x)      .even; err: jra cerror; ENTRY(x); \
                     51:                        movl \#SYS_ ## x,d0; trap \#0; jcs err
                     52: #endif /* !PIC */
                     53:
                     54: #define        RSYSCALL(x)     SYSCALL(x); rts
                     55: #define        PSEUDO(x,y)     ENTRY(x); movl \#SYS_ ## y,d0; trap \#0; rts
                     56:
                     57: #else /* !__STDC__ */
                     58:
                     59: #ifdef PIC
                     60: /* With PIC code, we can't pass the error to cerror in d0,
                     61:    because the jump might go via the binder. */
                     62: #define        SYSCALL(x)      .even; err: movl d0,sp@-; jra cerror; ENTRY(x); \
                     63:                        movl #SYS_/**/x,d0; trap #0; jcs err
                     64: #else /* !PIC */
                     65: #define        SYSCALL(x)      .even; err: jra cerror; ENTRY(x); \
                     66:                        movl #SYS_/**/x,d0; trap #0; jcs err
                     67: #endif /* !PIC */
                     68:
                     69: #define        RSYSCALL(x)     SYSCALL(x); rts
                     70: #define        PSEUDO(x,y)     ENTRY(x); movl #SYS_/**/y,d0; trap #0; rts
                     71:
                     72: #endif /* !__STDC__ */
                     73:
                     74: #define        ASMSTR          .asciz
                     75:
                     76:        .globl  cerror