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crt0.S revision 1.1.12.1 
      1       1.1  joerg /* $NetBSD: crt0.S,v 1.1.12.1 2014/08/20 00:02:06 tls Exp $ */
      2       1.1  joerg 
      3       1.1  joerg /*
      4       1.1  joerg  * Copyright (c) 1998 Christos Zoulas
      5       1.1  joerg  * Copyright (c) 1995 Christopher G. Demetriou
      6       1.1  joerg  * All rights reserved.
      7       1.1  joerg  *
      8       1.1  joerg  * Redistribution and use in source and binary forms, with or without
      9       1.1  joerg  * modification, are permitted provided that the following conditions
     10       1.1  joerg  * are met:
     11       1.1  joerg  * 1. Redistributions of source code must retain the above copyright
     12       1.1  joerg  *    notice, this list of conditions and the following disclaimer.
     13       1.1  joerg  * 2. Redistributions in binary form must reproduce the above copyright
     14       1.1  joerg  *    notice, this list of conditions and the following disclaimer in the
     15       1.1  joerg  *    documentation and/or other materials provided with the distribution.
     16       1.1  joerg  * 3. All advertising materials mentioning features or use of this software
     17       1.1  joerg  *    must display the following acknowledgement:
     18       1.1  joerg  *          This product includes software developed for the
     19       1.1  joerg  *          NetBSD Project.  See http://www.NetBSD.org/ for
     20       1.1  joerg  *          information about NetBSD.
     21       1.1  joerg  * 4. The name of the author may not be used to endorse or promote products
     22       1.1  joerg  *    derived from this software without specific prior written permission.
     23       1.1  joerg  *
     24       1.1  joerg  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     25       1.1  joerg  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     26       1.1  joerg  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     27       1.1  joerg  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     28       1.1  joerg  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     29       1.1  joerg  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     30       1.1  joerg  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     31       1.1  joerg  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     32       1.1  joerg  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     33       1.1  joerg  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     34       1.1  joerg  *
     35       1.1  joerg  * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
     36       1.1  joerg  */
     37       1.1  joerg 
     38       1.1  joerg #include <machine/asm.h>
     39       1.1  joerg 
     40       1.1  joerg RCSID("$NetBSD: crt0.S,v 1.1.12.1 2014/08/20 00:02:06 tls Exp $")
     41       1.1  joerg 
     42       1.1  joerg STRONG_ALIAS(_start,__start)
     43       1.1  joerg 
     44  1.1.12.1    tls 	! called with:
     45  1.1.12.1    tls 	!  %g3 = cleanup
     46  1.1.12.1    tls 	!  %g2 = obj
     47  1.1.12.1    tls 	!  %g1 = ps_strings
     48  1.1.12.1    tls 	! call: ___start(cleanup, obj, ps_strings)
     49       1.1  joerg _ENTRY(__start)
     50       1.1  joerg 	mov	0, %fp
     51  1.1.12.1    tls 	andn	%sp, 7,	%sp		! align stack
     52       1.1  joerg 	sub	%sp, 24, %sp		! expand to standard stack frame size
     53  1.1.12.1    tls 	mov	%g3, %o0
     54  1.1.12.1    tls 	mov	%g2, %o1
     55       1.1  joerg 	call	___start
     56  1.1.12.1    tls 	 mov	%g1, %o2
     57  1.1.12.1    tls 
     58