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cerror.S revision 1.3.56.1 
      1  1.3.56.1  yamt /*	$NetBSD: cerror.S,v 1.3.56.1 2012/04/17 00:05:15 yamt 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  1.3.56.1  yamt 	RCSID("$NetBSD: cerror.S,v 1.3.56.1 2012/04/17 00:05:15 yamt 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  1.3.56.1  yamt 	.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       1.1  fvdl #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       1.1  fvdl #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