/*- * Copyright 1996-1998 John D. Polstra. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: src/lib/csu/i386-elf/crt1.c, svn 200038 2009/12/02 kib $ */ #ifndef __GNUC__ #error "GCC is needed to compile this file" #endif #include #include #include #include "crtbrand.c" typedef void (*fptr)(void); extern void _fini(void); extern void _init(void); extern int main(int, char **, char **); #ifdef GCRT extern void _mcleanup(void); extern void monstartup(void *, void *); extern int eprol; extern int etext; #endif extern int _DYNAMIC; #pragma weak _DYNAMIC char **environ; char *__progname = ""; void _start1(fptr, int, char *[]) __dead2; void _start1(fptr cleanup, int argc, char *argv[]) { char **env; env = argv + argc + 1; environ = env; if(argc > 0 && argv[0] != NULL) { char *s; __progname = argv[0]; for (s = __progname; *s != '\0'; s++) if (*s == '/') __progname = s + 1; } /* * Setup the initial TLS space. The RTLD does not set up our TLS * (it can't, it doesn't know how our errno is declared). It simply * does all the groundwork required so that we can call * _rtld_allocate_tls(). */ _init_tls(); _rtld_call_init(); if(&_DYNAMIC != NULL) atexit(cleanup); #ifdef GCRT atexit(_mcleanup); #endif atexit(_fini); #ifdef GCRT monstartup(&eprol, &etext); __asm__("eprol:"); #endif _init(); exit( main(argc, argv, env) ); } __asm(".hidden _start1");