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/* $OpenBSD: cerror.S,v 1.1 2011/10/17 06:39:20 guenther Exp $ */
/* $NetBSD: cerror.S,v 1.3 1996/10/17 03:08:17 cgd 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 "SYS.h"
#define FRAME_SIZE 16
#define FRAME_RA_OFFSET 0
#define FRAME_V0_OFFSET 8
NESTED(__cerror, 0, FRAME_SIZE, ra, IM_RA|IM_V0, 0)
LEAF_NOPROFILE(__cerror, 0)
br t0, L1
L1: LDGP(t0)
lda sp, -FRAME_SIZE(sp)
stq ra, FRAME_RA_OFFSET(sp)
stq v0, FRAME_V0_OFFSET(sp)
CALL(__errno)
ldq t0, FRAME_V0_OFFSET(sp)
stl t0, 0(v0)
ldiq v0, -1
ldq ra, FRAME_RA_OFFSET(sp)
lda sp, FRAME_SIZE(sp)
RET
END(__cerror)
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