/* $NetBSD: SYS.h,v 1.3 2019/03/09 02:50:07 christos Exp $ */ /*- * Copyright (c) 2014 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Matt Thomas of 3am Software Foundry. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <machine/asm.h> #include <sys/syscall.h> #ifndef __STDC__ #error __STDC__ not defined #endif #define SYSTRAP(x) svc #(SYS_ ## x) #define _SYSCALL_NOERROR(x,y) \ ENTRY(x); \ SYSTRAP(y) #define _INVOKE_CERROR() \ b.cc 1f; \ b _C_LABEL(__cerror); \ 1: #define _SYSCALL(x, y) \ _SYSCALL_NOERROR(x,y); \ _INVOKE_CERROR() #define SYSCALL_NOERROR(x) \ _SYSCALL_NOERROR(x,x) #define SYSCALL(x) \ _SYSCALL(x,x) #define PSEUDO_NOERROR(x,y) \ _SYSCALL_NOERROR(x,y); \ ret; \ END(x) #define PSEUDO(x,y) \ _SYSCALL(x,y); \ ret; \ END(x) #define RSYSCALL_NOERROR(x) \ PSEUDO_NOERROR(x,x) #define RSYSCALL(x) \ PSEUDO(x,x) #define WSYSCALL(weak,strong) \ WEAK_ALIAS(weak,strong); \ PSEUDO(strong,weak) .hidden __cerror .globl __cerror |