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