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 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD$"); 29 30#ifndef lint 31#ifndef __GNUC__ 32#error "GCC is needed to compile this file" 33#endif 34#endif /* lint */ 35 36#include <stdlib.h> 37 38#include "libc_private.h" 39#include "crtbrand.c" 40 41extern int _DYNAMIC; 42#pragma weak _DYNAMIC 43 44typedef void (*fptr)(void); 45 46extern void _fini(void); 47extern void _init(void); 48extern int main(int, char **, char **); 49 50#ifdef GCRT 51extern void _mcleanup(void); 52extern void monstartup(void *, void *); 53extern int eprol; 54extern int etext; 55#endif 56 57char **environ; 58const char *__progname = ""; 59 60void _start(char **, void (*)(void)); 61 62/* The entry function. */ 63void 64_start(char **ap, void (*cleanup)(void)) 65{ 66 int argc; 67 char **argv; 68 char **env; 69 const char *s; 70 71 argc = *(long *)(void *)ap; 72 argv = ap + 1; 73 env = ap + 2 + argc; 74 if (environ == NULL) 75 environ = env; 76 if (argc > 0 && argv[0] != NULL) { 77 __progname = argv[0]; 78 for (s = __progname; *s != '\0'; s++) 79 if (*s == '/') 80 __progname = s + 1; 81 } 82 83 if (&_DYNAMIC != NULL) 84 atexit(cleanup); 85 else 86 _init_tls(); 87 88#ifdef GCRT 89 atexit(_mcleanup); 90#endif 91 atexit(_fini); 92#ifdef GCRT 93 monstartup(&eprol, &etext); 94__asm__("eprol:"); 95#endif 96 _init(); 97 exit( main(argc, argv, env) ); 98} 99