crt0.S revision 1.2
1 1.2 joerg /* $NetBSD: crt0.S,v 1.2 2018/11/26 17:37:45 joerg Exp $ */ 2 1.1 skrll 3 1.1 skrll /*- 4 1.1 skrll * Copyright (c) 2013 The NetBSD Foundation, Inc. 5 1.1 skrll * All rights reserved. 6 1.1 skrll * 7 1.1 skrll * This code is derived from software contributed to The NetBSD Foundation 8 1.1 skrll * by Nick Hudson 9 1.1 skrll * 10 1.1 skrll * Redistribution and use in source and binary forms, with or without 11 1.1 skrll * modification, are permitted provided that the following conditions 12 1.1 skrll * are met: 13 1.1 skrll * 1. Redistributions of source code must retain the above copyright 14 1.1 skrll * notice, this list of conditions and the following disclaimer. 15 1.1 skrll * 2. Redistributions in binary form must reproduce the above copyright 16 1.1 skrll * notice, this list of conditions and the following disclaimer in the 17 1.1 skrll * documentation and/or other materials provided with the distribution. 18 1.1 skrll * 19 1.1 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1 skrll * POSSIBILITY OF SUCH DAMAGE. 30 1.1 skrll */ 31 1.1 skrll 32 1.1 skrll #include <machine/asm.h> 33 1.1 skrll 34 1.2 joerg RCSID("$NetBSD: crt0.S,v 1.2 2018/11/26 17:37:45 joerg Exp $") 35 1.1 skrll 36 1.1 skrll .import _GLOBAL_OFFSET_TABLE_ 37 1.1 skrll .hidden ___start 38 1.1 skrll 39 1.1 skrll STRONG_ALIAS(__start,_start) 40 1.1 skrll 41 1.1 skrll /* 42 1.1 skrll * void _start(struct ps_strings *ps_strings, 43 1.1 skrll * void (*cleanup)(void), 44 1.1 skrll * const Obj_Entry *obj); 45 1.1 skrll */ 46 1.1 skrll _ENTRY(_start) 47 1.1 skrll .callinfo frame=0, calls 48 1.1 skrll .entry 49 1.1 skrll 50 1.1 skrll bl L$lpc, %r27 51 1.1 skrll depi 0, 31, 2, %r27 52 1.1 skrll L$lpc: addil L'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 8), %r27 53 1.1 skrll ldo R'_GLOBAL_OFFSET_TABLE_ - ($PIC_pcrel$0 - 12)(%r1),%r27 54 1.1 skrll copy %r27, %r19 55 1.1 skrll 56 1.1 skrll /* 57 1.1 skrll * void ___start(void (*cleanup)(void), 58 1.1 skrll * struct ps_strings *ps_strings); 59 1.1 skrll */ 60 1.2 joerg copy %arg0, %arg2 ; ps_strings -> tmp 61 1.1 skrll copy %arg1, %arg0 ; cleanup -> arg0 62 1.1 skrll b ___start 63 1.2 joerg copy %arg2, %arg1 ; ps_strings -> arg1 64 1.1 skrll 65 1.1 skrll EXIT(_start) 66
Indexes created Tue Sep 30 20:09:53 GMT 2025