crt1.c revision 300323
1/* LINTLIBRARY */ 2/*- 3 * Copyright 2001 David E. O'Brien. 4 * All rights reserved. 5 * Copyright 1996-1998 John D. Polstra. 6 * All rights reserved. 7 * Copyright (c) 1997 Jason R. Thorpe. 8 * Copyright (c) 1995 Christopher G. Demetriou 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed for the 22 * FreeBSD Project. See http://www.freebsd.org/ for 23 * information about FreeBSD. 24 * This product includes software developed for the 25 * NetBSD Project. See http://www.netbsd.org/ for 26 * information about NetBSD. 27 * 4. The name of the author may not be used to endorse or promote products 28 * derived from this software without specific prior written permission 29 * 30 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 31 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 32 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 33 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 34 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 35 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 39 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42#include <sys/cdefs.h> 43__FBSDID("$FreeBSD: stable/10/lib/csu/powerpc64/crt1.c 300323 2016-05-20 19:14:15Z emaste $"); 44 45#include <stdlib.h> 46 47#include "libc_private.h" 48#include "crtbrand.c" 49#include "ignore_init.c" 50 51struct Struct_Obj_Entry; 52struct ps_strings; 53 54extern void _start(int, char **, char **, const struct Struct_Obj_Entry *, 55 void (*)(void), struct ps_strings *); 56 57#ifdef GCRT 58extern void _mcleanup(void); 59extern void monstartup(void *, void *); 60extern int eprol; 61extern int etext; 62#endif 63 64struct ps_strings *__ps_strings; 65 66/* The entry function. */ 67/* 68 * First 5 arguments are specified by the PowerPC SVR4 ABI. 69 * The last argument, ps_strings, is a BSD extension. 70 */ 71/* ARGSUSED */ 72void 73_start(int argc, char **argv, char **env, 74 const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void), 75 struct ps_strings *ps_strings) 76{ 77 78 handle_argv(argc, argv, env); 79 80 if (ps_strings != (struct ps_strings *)0) 81 __ps_strings = ps_strings; 82 83 if (&_DYNAMIC != NULL) 84 atexit(cleanup); 85 else 86 _init_tls(); 87 88#ifdef GCRT 89 atexit(_mcleanup); 90 monstartup(&eprol, &etext); 91#endif 92 93 handle_static_init(argc, argv, env); 94 exit(main(argc, argv, env)); 95} 96 97#ifdef GCRT 98__asm__(".text"); 99__asm__("eprol:"); 100__asm__(".previous"); 101#endif 102