1 /*- 2 * Copyright (c) 1990 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * William Jolitz. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)SYS.h 5.5 (Berkeley) 5/7/91 33 * from: FreeBSD: src/lib/libc/i386/SYS.h,v 1.20 2001/01/29 34 * $FreeBSD$ 35 */ 36 37 #include <sys/syscall.h> 38 39 #include <machine/asm.h> 40 #include <machine/utrap.h> 41 42 #define ERROR() \ 43 mov %o7, %g1 ; \ 44 call HIDENAME(cerror) ; \ 45 mov %g1, %o7 46 47 #define _SYSENTRY(x) \ 48 ENTRY(__CONCAT(__sys_,x)) ; \ 49 .weak CNAME(x) ; \ 50 .type CNAME(x),@function ; \ 51 .set CNAME(x),CNAME(__CONCAT(__sys_,x)) ; \ 52 .weak CNAME(__CONCAT(_,x)) ; \ 53 .type CNAME(__CONCAT(_,x)), @function ; \ 54 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)) 55 56 #define _SYSEND(x) \ 57 .size CNAME(__CONCAT(__sys_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \ 58 .size CNAME(__CONCAT(_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \ 59 .size CNAME(__CONCAT(,x)), . - CNAME(__CONCAT(__sys_,x)) 60 61 #define _SYSCALL(x) \ 62 mov __CONCAT(SYS_,x), %g1 ; \ 63 ta %xcc, ST_SYSCALL ; \ 64 bcc,a,pt %xcc, 1f ; \ 65 nop ; \ 66 ERROR() ; \ 67 1: 68 69 #define RSYSCALL(x) \ 70 _SYSENTRY(x) ; \ 71 _SYSCALL(x) ; \ 72 retl ; \ 73 nop ; \ 74 _SYSEND(x) 75 76 #define PSEUDO(x) \ 77 ENTRY(__CONCAT(__sys_,x)) ; \ 78 .weak CNAME(__CONCAT(_,x)) ; \ 79 .type CNAME(__CONCAT(_,x)),@function ; \ 80 .set CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)) ; \ 81 _SYSCALL(x) ; \ 82 retl ; \ 83 nop ; \ 84 .size CNAME(__CONCAT(__sys_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \ 85 .size CNAME(__CONCAT(_,x)), . - CNAME(__CONCAT(__sys_,x)) 86