sys.subproj/ppc.subproj/cerror.s

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved.
  23  */
  24
  25 #import <architecture/ppc/asm_help.h>
  26 #import <architecture/ppc/pseudo_inst.h>
  27
  28         .globl  _errno
  29
  30 NESTED(cerror, 0, 1, 0, 0)
  31         REG_TO_EXTERN(r3,_errno)
  32         CALL_EXTERN(_cthread_set_errno_self)
  33         li32    r3,-1
  34         li32    r4,-1   /* in case a 64-bit value is returned */
  35         RETURN
  36 END(cerror)