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80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/* $NetBSD: SYS.h,v 1.1 2014/08/10 05:47:36 matt Exp $ */
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/*-
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* Copyright (c) 2014 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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#include <sys/syscall.h>
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#ifndef __STDC__
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#error __STDC__ not defined
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#endif
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#define SYSTRAP(x) svc #(SYS_ ## x)
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#define _SYSCALL_NOERROR(x,y) \
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ENTRY(x); \
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SYSTRAP(y)
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#define _INVOKE_CERROR() \
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b.cs _C_LABEL(__cerror)
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#define _SYSCALL(x, y) \
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_SYSCALL_NOERROR(x,y); \
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_INVOKE_CERROR()
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#define SYSCALL_NOERROR(x) \
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_SYSCALL_NOERROR(x,x)
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#define SYSCALL(x) \
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_SYSCALL(x,x)
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#define PSEUDO_NOERROR(x,y) \
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_SYSCALL_NOERROR(x,y); \
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ret; \
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END(x)
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#define PSEUDO(x,y) \
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_SYSCALL(x,y); \
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ret; \
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END(x)
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#define RSYSCALL_NOERROR(x) \
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PSEUDO_NOERROR(x,x)
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#define RSYSCALL(x) \
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PSEUDO(x,x)
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#define WSYSCALL(weak,strong) \
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WEAK_ALIAS(weak,strong); \
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PSEUDO(strong,weak)
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.hidden __cerror
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.globl __cerror
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