Annotation of src/lib/libc/arch/x86_64/sys/cerror.S, Revision 1.5
1.5 ! joerg 1: /* $NetBSD: cerror.S,v 1.4 2011/11/18 20:17:46 joerg Exp $ */
1.1 fvdl 2:
3: /*-
4: * Copyright (c) 1990 The Regents of the University of California.
5: * All rights reserved.
6: *
7: * This code is derived from software contributed to Berkeley by
8: * William Jolitz.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
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.
1.3 agc 18: * 3. Neither the name of the University nor the names of its contributors
1.1 fvdl 19: * may be used to endorse or promote products derived from this software
20: * without specific prior written permission.
21: *
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
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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
30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32: * SUCH DAMAGE.
33: *
34: * from: @(#)cerror.s 5.1 (Berkeley) 4/23/90
35: */
36:
37: #include <machine/asm.h>
38: #if defined(SYSLIBC_SCCS) && !defined(lint)
1.5 ! joerg 39: RCSID("$NetBSD: cerror.S,v 1.4 2011/11/18 20:17:46 joerg Exp $")
1.1 fvdl 40: #endif /* SYSLIBC_SCCS and not lint */
41:
42: #include "SYS.h"
43:
44: .globl _C_LABEL(__errno)
1.5 ! joerg 45: .protected CERROR
1.1 fvdl 46:
47: _ENTRY(CERROR)
1.2 fvdl 48: pushq %r12
1.1 fvdl 49: movl %eax,%edi
50: movl %eax,%r12d
51: #ifdef PIC
52: call PIC_PLT(_C_LABEL(__errno))
53: #else
54: call _C_LABEL(__errno)
55: #endif /* PIC */
56: movl %r12d,(%rax)
57: movq $-1,%rax
1.2 fvdl 58: popq %r12
1.1 fvdl 59: ret
CVSweb <webmaster@jp.NetBSD.org>