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Annotation of src/lib/libc/arch/x86_64/sys/cerror.S, Revision 1.4

1.4     ! joerg       1: /*     $NetBSD: cerror.S,v 1.3 2003/08/07 16:42:37 agc 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)
1.4     ! joerg      39:        RCSID("$NetBSD: cerror.S,v 1.3 2003/08/07 16:42:37 agc Exp $")
1.1       fvdl       40: #endif /* SYSLIBC_SCCS and not lint */
                     41:
                     42: #include "SYS.h"
                     43:
                     44:        .globl  _C_LABEL(__errno)
1.4     ! joerg      45:        .hidden 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

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