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