3 * Copyright 1996-1998 John D. Polstra.
4 * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com>
7 * Portions of this software were developed by SRI International and the
8 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
9 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
11 * Portions of this software were developed by the University of Cambridge
12 * Computer Laboratory as part of the CTSRD Project, with support from the
13 * UK Higher Education Innovation Fund (HEIF).
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
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.
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
41 #include "libc_private.h"
43 #include "ignore_init.c"
45 typedef void (*fptr)(void);
48 extern void _mcleanup(void);
49 extern void monstartup(void *, void *);
54 void __start(int argc, char **argv, char **env, void (*cleanup)(void));
56 /* The entry function. */
61 " mv a3, a2 \n" /* cleanup */
62 " addi a1, a0, 8 \n" /* get argv */
63 " ld a0, 0(a0) \n" /* load argc */
64 " slli t0, a0, 3 \n" /* mult by arg size */
65 " add a2, a1, t0 \n" /* env is after argv */
66 " addi a2, a2, 8 \n" /* argv is null terminated */
69 " lla gp, __global_pointer$\n"
74 __start(int argc, char **argv, char **env, void (*cleanup)(void))
77 handle_argv(argc, argv, env);
79 if (&_DYNAMIC != NULL)
86 monstartup(&eprol, &etext);
90 handle_static_init(argc, argv, env);
91 exit(main(argc, argv, env));