1 /* LINTLIBRARY */ 2 /*- 3 * SPDX-License-Identifier: BSD-4-Clause 4 * 5 * Copyright 2001 David E. O'Brien. 6 * All rights reserved. 7 * Copyright 1996-1998 John D. Polstra. 8 * All rights reserved. 9 * Copyright (c) 1997 Jason R. Thorpe. 10 * Copyright (c) 1995 Christopher G. Demetriou 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed for the 24 * FreeBSD Project. See https://www.freebsd.org/ for 25 * information about FreeBSD. 26 * This product includes software developed for the 27 * NetBSD Project. See http://www.netbsd.org/ for 28 * information about NetBSD. 29 * 4. The name of the author may not be used to endorse or promote products 30 * derived from this software without specific prior written permission 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 33 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 34 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 35 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 36 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 37 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 38 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 39 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 41 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 42 */ 43 44 #include <sys/cdefs.h> 45 __FBSDID("$FreeBSD$"); 46 47 #include <stdint.h> 48 #include <sys/elf.h> 49 50 #include "libc_private.h" 51 #include "csu_common.h" 52 53 struct Struct_Obj_Entry; 54 struct ps_strings; 55 56 void _start(int, char **, char **, const struct Struct_Obj_Entry *, 57 void (*)(void), struct ps_strings *) __dead2; 58 59 struct ps_strings *__ps_strings; 60 61 /* The entry function. */ 62 /* 63 * First 5 arguments are specified by the PowerPC SVR4 ABI. 64 * The last argument, ps_strings, is a BSD extension. 65 */ 66 void 67 _start(int argc, char **argv, char **env, 68 const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void), 69 struct ps_strings *ps_strings) 70 { 71 if (ps_strings != (struct ps_strings *)0) 72 __ps_strings = ps_strings; 73 74 #ifdef GCRT 75 __libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext); 76 #else 77 __libc_start1(argc, argv, env, cleanup, main); 78 #endif 79 } 80 81 #ifdef GCRT 82 __asm__(".text"); 83 __asm__("eprol:"); 84 __asm__(".previous"); 85 #endif 86