crt1_c.c revision 245133
1/* LINTLIBRARY */ 2/*- 3 * Copyright 1996-1998 John D. Polstra. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: head/lib/csu/i386-elf/crt1_c.c 245133 2013-01-07 17:58:27Z kib $ 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD: head/lib/csu/i386-elf/crt1_c.c 245133 2013-01-07 17:58:27Z kib $"); 31 32#ifndef lint 33#ifndef __GNUC__ 34#error "GCC is needed to compile this file" 35#endif 36#endif /* lint */ 37 38#include <stdlib.h> 39 40#include "libc_private.h" 41#include "crtbrand.c" 42#include "ignore_init.c" 43 44typedef void (*fptr)(void); 45 46extern void _start(char *, ...); 47 48#ifdef GCRT 49extern void _mcleanup(void); 50extern void monstartup(void *, void *); 51extern int eprol; 52extern int etext; 53#endif 54 55void _start1(fptr, int, char *[]) __dead2; 56 57/* The entry function, C part. */ 58void 59_start1(fptr cleanup, int argc, char *argv[]) 60{ 61 char **env; 62 63 env = argv + argc + 1; 64 handle_argv(argc, argv, env); 65 if (&_DYNAMIC != NULL) 66 atexit(cleanup); 67 else 68 _init_tls(); 69 70#ifdef GCRT 71 atexit(_mcleanup); 72 monstartup(&eprol, &etext); 73__asm__("eprol:"); 74#endif 75 76 handle_static_init(argc, argv, env); 77 exit(main(argc, argv, env)); 78} 79 80__asm(".hidden _start1"); 81