/* $NetBSD: crt0.S,v 1.1 2010/08/07 18:01:33 joerg Exp $ */ /* * Copyright (C) 1997 Mark Brinicombe * Copyright (C) 1995 Wolfgang Solfrank. * Copyright (C) 1995 TooLs GmbH. * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by TooLs GmbH. * 4. The name of TooLs GmbH may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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 RCSID("$NetBSD: crt0.S,v 1.1 2010/08/07 18:01:33 joerg Exp $") STRONG_ALIAS(_start,__start) _ENTRY(__start) mov r5, r2 /* cleanup */ mov r4, r1 /* obj_main */ mov r3, r0 /* ps_strings */ /* Get argc, argv, and envp from stack */ ldr r0, [sp, #0x0000] add r1, sp, #0x0004 add r2, r1, r0, lsl #2 add r2, r2, #0x0004 /* Ensure the stack is properly aligned before calling C code. */ bic sp, sp, #7 sub sp, sp, #8 str r5, [sp, #4] str r4, [sp, #0] b ___start