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 <stdlib.h> 48 49 #include "libc_private.h" 50 #include "ignore_init.c" 51 52 struct Struct_Obj_Entry; 53 struct ps_strings; 54 55 #ifdef GCRT 56 extern void _mcleanup(void); 57 extern void monstartup(void *, void *); 58 extern int eprol; 59 extern int etext; 60 #endif 61 62 struct ps_strings *__ps_strings; 63 64 void _start(int, char **, char **, const struct Struct_Obj_Entry *, 65 void (*)(void), struct ps_strings *); 66 67 /* The entry function. */ 68 /* 69 * First 5 arguments are specified by the PowerPC SVR4 ABI. 70 * The last argument, ps_strings, is a BSD extension. 71 */ 72 /* ARGSUSED */ 73 void 74 _start(int argc, char **argv, char **env, 75 const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void), 76 struct ps_strings *ps_strings) 77 { 78 79 80 handle_argv(argc, argv, env); 81 82 if (ps_strings != (struct ps_strings *)0) 83 __ps_strings = ps_strings; 84 85 if (&_DYNAMIC != NULL) 86 atexit(cleanup); 87 else 88 _init_tls(); 89 90 #ifdef GCRT 91 atexit(_mcleanup); 92 monstartup(&eprol, &etext); 93 #endif 94 95 handle_static_init(argc, argv, env); 96 exit(main(argc, argv, env)); 97 } 98 99 #ifdef GCRT 100 __asm__(".text"); 101 __asm__("eprol:"); 102 __asm__(".previous"); 103 #endif 104 105 #ifndef PIC 106 __asm__(".text\n" 107 "\t.global _GLOBAL_OFFSET_TABLE_\n" 108 "\t.reloc 0, R_PPC_NONE, _GLOBAL_OFFSET_TABLE_"); 109 #endif 110