66 lines
1.6 KiB
ArmAsm
66 lines
1.6 KiB
ArmAsm
|
/* $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 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"
|
||
|
|
|
||
|
|
#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)
|