1 /* $NetBSD: cerror.S,v 1.13.46.4 2009/09/05 03:04:58 matt Exp $ */
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
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11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 #if defined(LIBC_SCCS) && !defined(lint)
39 RCSID("from: @(#)cerror.s 8.1 (Berkeley) 6/16/93")
41 RCSID("$NetBSD: cerror.S,v 1.13.46.4 2009/09/05 03:04:58 matt Exp $")
43 #endif /* LIBC_SCCS and not lint */
46 .globl _C_LABEL(__errno)
47 NESTED_NOPROFILE(__cerror, CALLFRAME_SIZ, ra)
48 .mask 0x80000000, (CALLFRAME_RA - CALLFRAME_SIZ)
49 PIC_PROLOGUE(__cerror)
50 PTR_SUBU sp, sp, CALLFRAME_SIZ
51 PTR_S ra, CALLFRAME_RA(sp)
52 INT_S v0, CALLFRAME_S0(sp) # save errno value
56 PTR_LA t9, _C_LABEL(__errno) # locate address of errno
59 INT_L t0, CALLFRAME_S0(sp)
60 PTR_L ra, CALLFRAME_RA(sp)
61 INT_S t0, 0(v0) # update errno value
62 PTR_ADDU sp, sp, CALLFRAME_SIZ
68 .globl _C_LABEL(errno)
69 LEAF_NOPROFILE(__cerror)
70 PIC_PROLOGUE(__cerror)
71 INT_S v0, _C_LABEL(errno)
76 #endif /* _REENTRANT */