/* $NetBSD: cerror.S,v 1.6 2000/06/14 06:49:03 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  [email protected]
*  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"

#ifdef _REENTRANT
#define FRAME_SIZE              16
#define FRAME_RA_OFFSET         0
#define FRAME_V0_OFFSET         8
#endif

#ifdef _REENTRANT
NESTED(__cerror, 0, FRAME_SIZE, ra, IM_RA|IM_V0, 0)
#else
LEAF(__cerror, 0)
#endif
       br      t0, L1
L1:     LDGP(t0)

#ifdef _REENTRANT
       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)
#else
       stl     v0, errno
#endif

       ldiq    v0, -1
#ifdef _REENTRANT
       ldq     ra, FRAME_RA_OFFSET(sp)
       lda     sp, FRAME_SIZE(sp)
#endif
       RET
END(__cerror)

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