1/*	$NetBSD: crt0.S,v 1.2 2018/11/26 17:37:45 joerg Exp $	*/
2
3/*-
4 * Copyright (c) 2013 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Nick Hudson
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <machine/asm.h>
33
34RCSID("$NetBSD: crt0.S,v 1.2 2018/11/26 17:37:45 joerg Exp $")
35
36	.import	_GLOBAL_OFFSET_TABLE_
37	.hidden	___start
38
39STRONG_ALIAS(__start,_start)
40
41/*
42 * void _start(struct ps_strings *ps_strings,
43 *    void (*cleanup)(void),
44 *    const Obj_Entry *obj);
45 */
46_ENTRY(_start)
47	.callinfo frame=0, calls
48	.entry
49
50	bl      L$lpc, %r27
51	depi    0, 31, 2, %r27
52L$lpc:	addil   L'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 8), %r27
53	ldo     R'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 12)(%r1),%r27
54	copy	%r27, %r19
55
56	/*
57	 * void ___start(void (*cleanup)(void),
58	 *    struct ps_strings *ps_strings);
59	 */
60	copy	%arg0, %arg2		; ps_strings -> tmp
61	copy	%arg1, %arg0		; cleanup -> arg0
62	b	___start
63	copy	%arg2, %arg1		; ps_strings -> arg1
64
65EXIT(_start)
66