diff options
Diffstat (limited to 'lib/librthread/arch/alpha/cerror.S')
| -rw-r--r-- | lib/librthread/arch/alpha/cerror.S | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/lib/librthread/arch/alpha/cerror.S b/lib/librthread/arch/alpha/cerror.S new file mode 100644 index 00000000000..af21adebee7 --- /dev/null +++ b/lib/librthread/arch/alpha/cerror.S @@ -0,0 +1,54 @@ +/* $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) |