/* $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:55 thorpej Exp $ */ /* * Copyright (c) 1994, 1995 Carnegie-Mellon University. * All rights reserved. * * Author: Chris G. Demetriou * * Permission to use, copy, modify and distribute this software and * its documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. */ #include <machine/asm.h> #include <sys/syscall.h> #define CALLSYS_ERROR(name) \ CALLSYS_NOERROR(name); \ br gp, LLABEL(name,0); \ LLABEL(name,0): \ LDGP(gp); \ beq a3, LLABEL(name,1); \ jmp zero, __cerror; \ LLABEL(name,1): #define SYSCALL(name) \ LEAF(name,0); /* XXX # of args? */ \ CALLSYS_ERROR(name) #define SYSCALL_NOERROR(name) \ LEAF(name,0); /* XXX # of args? */ \ CALLSYS_NOERROR(name) #define PSEUDO(label,name) \ LEAF(label,0); /* XXX # of args? */ \ CALLSYS_ERROR(name); \ RET; \ END(label); #define PSEUDO_NOERROR(label,name) \ LEAF(label,0); /* XXX # of args? */ \ CALLSYS_NOERROR(name); \ RET; \ END(label); #define RSYSCALL(name) \ SYSCALL(name); \ RET; \ END(name) #define RSYSCALL_NOERROR(name) \ SYSCALL_NOERROR(name); \ RET; \ END(name) #define WSYSCALL(weak,strong) \ WEAK_ALIAS(weak,strong); \ PSEUDO(strong,weak) |