xref: /netbsd-src/sys/sys/kobj.h (revision e341d80516ba97474addc42b3b1df77f763cd07d)
1 /*	$NetBSD: kobj.h,v 1.21 2023/04/28 07:33:57 skrll Exp $	*/
2 
3 /*-
4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _SYS_KOBJ_H_
30 #define	_SYS_KOBJ_H_
31 
32 #if !defined(ELFSIZE) && !defined(_RUMPKERNEL)
33 #define ELFSIZE KERN_ELFSIZE
34 #endif
35 
36 #include <sys/exec.h>
37 #include <sys/exec_elf.h>
38 
39 typedef struct kobj *kobj_t;
40 
41 /* External interface. */
42 int		kobj_load_vfs(kobj_t *, const char *, const bool);
43 int		kobj_load_mem(kobj_t *, const char *, void *, ssize_t);
44 int		kobj_affix(kobj_t, const char *);
45 void		kobj_unload(kobj_t);
46 int		kobj_stat(kobj_t, vaddr_t *, size_t *);
47 int		kobj_find_section(kobj_t, const char *, void **, size_t *);
48 
49 /* MI-MD interface. */
50 const Elf_Sym *	kobj_symbol(kobj_t, uintptr_t);
51 int		kobj_sym_lookup(kobj_t, uintptr_t, Elf_Addr *);
52 int		kobj_reloc(kobj_t, uintptr_t, const void *, bool, bool);
53 int		kobj_machdep(kobj_t, void *, size_t, bool);
54 
55 /* implementation interface. */
56 int		kobj_renamespace(Elf_Sym *, size_t, char **, size_t *);
57 
58 #endif /* !_SYS_KOBJ_H_ */
59