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/* $OpenBSD: SYS.h,v 1.1 2017/08/27 21:59:52 deraadt Exp $ */
/*
* Copyright (c) 2006 Dale Rahn
*
* 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 AUTHOR ``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 AUTHOR 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>
#define SYSTRAP(x) \
mov.l 903f, r0; \
.word 0xc380; /* trapa #0x80; */ \
bra 904f; \
nop; \
.align 2; \
903: .long (SYS_ ## x); \
904:
#define DL_SYSCALL(n) \
.global __CONCAT(_dl_,n) ;\
.type __CONCAT(_dl_,n)%function ;\
__CONCAT(_dl_,n): ;\
SYSTRAP(n) ;\
bf .L_cerr ;\
nop ;\
rts ;\
nop
.L_cerr:
neg r0, r0
rts
nop
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