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      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