1 /* $NetBSD: SYS.h,v 1.1 2006/09/10 21:22:33 cherry Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1995 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #include <sys/cdefs.h> 31 32 #include <machine/asm.h> 33 #include <sys/syscall.h> 34 35 #define RET { br.ret.sptk.few rp;; } 36 37 #define CALLSYS_ERROR(name) \ 38 CALLSYS_NOERROR(name) \ 39 { cmp.ne p6,p0=r0,r10; \ 40 (p6) br.cond.sptk.few __cerror ;; } 41 42 #define SYSCALL(name) \ 43 ENTRY(name,0); /* XXX # of args? */ \ 44 CALLSYS_ERROR(name) 45 46 #define SYSCALL_NOERROR(name) \ 47 ENTRY(name,0); /* XXX # of args? */ \ 48 CALLSYS_NOERROR(name) 49 50 #define PSEUDO(label,name) \ 51 ENTRY(label,0); /* XXX # of args? */ \ 52 CALLSYS_ERROR(name); \ 53 RET; \ 54 END(label); 55 56 #define PSEUDO_NOERROR(label,name) \ 57 ENTRY(label,0); /* XXX # of args? */ \ 58 CALLSYS_NOERROR(name); \ 59 RET; \ 60 END(label); 61 62 #define RSYSCALL(name) \ 63 SYSCALL(name); \ 64 RET; \ 65 END(name) 66 67 #define RSYSCALL_NOERROR(name) \ 68 SYSCALL_NOERROR(name); \ 69 RET; \ 70 END(name) 71 72 #define WSYSCALL(weak,strong) \ 73 WEAK_ALIAS(weak,strong); \ 74 PSEUDO(strong,weak) 75