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cerror.S revision 1.6.2.1
      1  1.6.2.1    tls /*	$NetBSD: cerror.S,v 1.6.2.1 2014/08/10 06:51:49 tls Exp $	*/
      2      1.1   fvdl 
      3      1.1   fvdl /*-
      4      1.1   fvdl  * Copyright (c) 1990 The Regents of the University of California.
      5      1.1   fvdl  * All rights reserved.
      6      1.1   fvdl  *
      7      1.1   fvdl  * This code is derived from software contributed to Berkeley by
      8      1.1   fvdl  * William Jolitz.
      9      1.1   fvdl  *
     10      1.1   fvdl  * Redistribution and use in source and binary forms, with or without
     11      1.1   fvdl  * modification, are permitted provided that the following conditions
     12      1.1   fvdl  * are met:
     13      1.1   fvdl  * 1. Redistributions of source code must retain the above copyright
     14      1.1   fvdl  *    notice, this list of conditions and the following disclaimer.
     15      1.1   fvdl  * 2. Redistributions in binary form must reproduce the above copyright
     16      1.1   fvdl  *    notice, this list of conditions and the following disclaimer in the
     17      1.1   fvdl  *    documentation and/or other materials provided with the distribution.
     18      1.3    agc  * 3. Neither the name of the University nor the names of its contributors
     19      1.1   fvdl  *    may be used to endorse or promote products derived from this software
     20      1.1   fvdl  *    without specific prior written permission.
     21      1.1   fvdl  *
     22      1.1   fvdl  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     23      1.1   fvdl  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     24      1.1   fvdl  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     25      1.1   fvdl  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     26      1.1   fvdl  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     27      1.1   fvdl  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     28      1.1   fvdl  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     29      1.1   fvdl  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     30      1.1   fvdl  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31      1.1   fvdl  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32      1.1   fvdl  * SUCH DAMAGE.
     33      1.1   fvdl  *
     34      1.1   fvdl  *	from: @(#)cerror.s	5.1 (Berkeley) 4/23/90
     35      1.1   fvdl  */
     36      1.1   fvdl 
     37      1.1   fvdl #include <machine/asm.h>
     38      1.1   fvdl #if defined(SYSLIBC_SCCS) && !defined(lint)
     39  1.6.2.1    tls 	RCSID("$NetBSD: cerror.S,v 1.6.2.1 2014/08/10 06:51:49 tls Exp $")
     40      1.1   fvdl #endif /* SYSLIBC_SCCS and not lint */
     41      1.1   fvdl 
     42      1.1   fvdl #include "SYS.h"
     43      1.1   fvdl 
     44      1.1   fvdl 	.globl	_C_LABEL(__errno)
     45      1.5  joerg 	.protected	CERROR
     46      1.1   fvdl 
     47      1.1   fvdl _ENTRY(CERROR)
     48      1.2   fvdl 	pushq	%r12
     49      1.1   fvdl 	movl	%eax,%edi
     50      1.1   fvdl 	movl	%eax,%r12d
     51      1.6  joerg #ifdef __PIC__
     52      1.1   fvdl 	call	PIC_PLT(_C_LABEL(__errno))
     53      1.1   fvdl #else
     54      1.1   fvdl 	call	_C_LABEL(__errno)
     55      1.6  joerg #endif /* __PIC__ */
     56      1.1   fvdl 	movl	%r12d,(%rax)
     57      1.1   fvdl 	movq	$-1,%rax
     58      1.2   fvdl 	popq	%r12
     59      1.1   fvdl 	ret
     60  1.6.2.1    tls END(CERROR)
     61