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crtn.S revision 1.2 
      1 /*-
      2  * Copyright (c) 2011 The NetBSD Foundation, Inc.
      3  * All rights reserved.
      4  *
      5  * This code is derived from software contributed to The NetBSD Foundation
      6  * by Matt Thomas of 3am Software Foundry.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     27  * POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include <powerpc/asm.h>
     31 
     32 RCSID("$NetBSD: crtn.S,v 1.2 2014/02/27 16:47:48 matt Exp $")
     33 
     34 	.section ".init", "ax", @progbits
     35 #ifdef _LP64
     36 	ldreg	%r0, (2*SZREG)(%r1)
     37 	addi	%r1, %r1, (6*SZREG)
     38 #else
     39 	addi	%r1, %r1, (4*SZREG)
     40 	lwz	%r0, (1*SZREG)(%r1)
     41 #endif
     42 	mtlr	%r0
     43 	blr
     44 
     45 	.section ".fini", "ax", @progbits
     46 #ifdef _LP64
     47 	ldreg	%r0, (2*SZREG)(%r1)
     48 	addi	%r1, %r1, (6*SZREG)
     49 #else
     50 	addi	%r1, %r1, (4*SZREG)
     51 	lwz	%r0, (1*SZREG)(%r1)
     52 #endif
     53 	mtlr	%r0
     54 	blr
     55