xref: /freebsd-13-stable/sys/compat/cloudabi32/cloudabi32_util.h (revision f8167e0404dab9ffeaca95853dd237ab7c587f82)
1 /*-
2  * Copyright (c) 2015 Nuxi, https://nuxi.nl/
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #ifndef _CLOUDABI32_UTIL_H_
27 #define	_CLOUDABI32_UTIL_H_
28 
29 #include <sys/types.h>
30 #define	__ELF_WORD_SIZE	32
31 #include <sys/imgact_elf.h>
32 
33 #include <contrib/cloudabi/cloudabi32_types.h>
34 
35 struct image_params;
36 struct thread;
37 
38 extern Elf32_Brandinfo cloudabi32_brand;
39 
40 #define	TO_PTR(x)	((void *)(uintptr_t)(x))
41 
42 /* Stack initialization during process execution. */
43 int	cloudabi32_copyout_strings(struct image_params *, uintptr_t *);
44 int	cloudabi32_fixup(uintptr_t *, struct image_params *);
45 
46 int	cloudabi32_thread_setregs(struct thread *,
47     const cloudabi32_threadattr_t *, uint32_t);
48 
49 #endif
50