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 #include <stdlib.h> 46 47 #include "libc_private.h" 48 #include "csu_common.h" 49 50 struct Struct_Obj_Entry; 51 struct ps_strings; 52 53 struct ps_strings *__ps_strings; 54 55 void _start(int, char **, char **, const struct Struct_Obj_Entry *, 56 void (*)(void), struct ps_strings *) __dead2; 57 58 /* The entry function. */ 59 /* 60 * First 5 arguments are specified by the PowerPC SVR4 ABI. 61 * The last argument, ps_strings, is a BSD extension. 62 */ 63 /* ARGSUSED */ 64 void 65 _start(int argc, char **argv, char **env, 66 const struct Struct_Obj_Entry *obj __unused, void (*cleanup)(void), 67 struct ps_strings *ps_strings) 68 { 69 if (ps_strings != (struct ps_strings *)0) 70 __ps_strings = ps_strings; 71 72 #ifdef GCRT 73 __libc_start1_gcrt(argc, argv, env, cleanup, main, &eprol, &etext); 74 #else 75 __libc_start1(argc, argv, env, cleanup, main); 76 #endif 77 } 78 79 #ifdef GCRT 80 __asm__(".text"); 81 __asm__("eprol:"); 82 __asm__(".previous"); 83 #endif 84 85 #ifndef PIC 86 __asm__(".text\n" 87 "\t.global _GLOBAL_OFFSET_TABLE_\n" 88 "\t.reloc 0, R_PPC_NONE, _GLOBAL_OFFSET_TABLE_"); 89 #endif 90