/* $NetBSD: crt0.c,v 1.32 1999/07/02 15:53:55 simonb Exp $ */ /*- * Copyright (c) 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum and Paul Kranenburg. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ #include #include "common.h" extern void start __P((void)) asm("start"); void __start __P((int, char *[], char *[])); __asm(" .text .align 2 .globl start start: movl %ebx,___ps_strings movl (%esp),%eax leal 8(%esp,%eax,4),%ecx leal 4(%esp),%edx pushl %ecx pushl %edx pushl %eax call ___start "); #if defined(LIBC_SCCS) && !defined(lint) __RCSID("$NetBSD: crt0.c,v 1.32 1999/07/02 15:53:55 simonb Exp $"); #endif /* LIBC_SCCS and not lint */ void __start(argc, argv, envp) int argc; char *argv[]; char *envp[]; { char *ap; environ = envp; if ((ap = argv[0])) if ((__progname = _strrchr(ap, '/')) == NULL) __progname = ap; else ++__progname; #ifdef DYNAMIC /* ld(1) convention: if DYNAMIC = 0 then statically linked */ #ifdef stupid_gcc if (&_DYNAMIC) #else if ( ({volatile caddr_t x = (caddr_t)&_DYNAMIC; x; }) ) #endif __load_rtld(&_DYNAMIC); #endif /* DYNAMIC */ #ifdef MCRT0 atexit(_mcleanup); monstartup((u_long)&eprol, (u_long)&etext); #endif /* MCRT0 */ __asm("__callmain:"); /* Defined for the benefit of debuggers */ exit(main(argc, argv, envp)); } #ifdef DYNAMIC asm(" .text .align 2 ___syscall: popl %ecx popl %eax pushl %ecx int $0x80 jc 1f jmp %ecx 1: movl $-1,%eax jmp %ecx "); #endif /* DYNAMIC */ #include "common.c" #ifdef MCRT0 __asm(" .text .align 2 eprol: "); #endif /* MCRT0 */