1 /*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright 1996-1998 John D. Polstra.
5 * All rights reserved.
6 * Copyright (c) 1995 Christopher G. Demetriou
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Christopher G. Demetriou
20 * for the NetBSD Project.
21 * 4. The name of the author may not be used to endorse or promote products
22 * derived from this software without specific prior written permission
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #include <sys/cdefs.h>
37 #include <stdlib.h>
38 #include "libc_private.h"
39 #include "ignore_init.c"
40
41 struct Struct_Obj_Entry;
42 struct ps_strings;
43
44 #ifdef GCRT
45 extern void _mcleanup(void);
46 extern void monstartup(void *, void *);
47 extern int eprol;
48 extern int etext;
49 #endif
50
51 void __start(char **, void (*)(void), struct Struct_Obj_Entry *, struct ps_strings *);
52
53 /* The entry function. */
54 void
__start(char ** ap,void (* cleanup)(void),struct Struct_Obj_Entry * obj __unused,struct ps_strings * ps_strings __unused)55 __start(char **ap,
56 void (*cleanup)(void), /* from shared loader */
57 struct Struct_Obj_Entry *obj __unused, /* from shared loader */
58 struct ps_strings *ps_strings __unused)
59 {
60 int argc;
61 char **argv;
62 char **env;
63
64 argc = * (long *) ap;
65 argv = ap + 1;
66 env = ap + 2 + argc;
67 handle_argv(argc, argv, env);
68
69 if (&_DYNAMIC != NULL)
70 atexit(cleanup);
71 else
72 _init_tls();
73
74 #ifdef GCRT
75 atexit(_mcleanup);
76 monstartup(&eprol, &etext);
77 #endif
78
79 handle_static_init(argc, argv, env);
80 exit(main(argc, argv, env));
81 }
82
83 #ifdef GCRT
84 __asm__(".text");
85 __asm__("eprol:");
86 __asm__(".previous");
87 #endif
88