xref: /netbsd-src/sys/arch/hpc/stand/hpcboot/load_elf.h (revision 3cec974c61d7fac0a37c0377723a33214a458c8b)
1 /* -*-C++-*-	$NetBSD: load_elf.h,v 1.1 2001/02/09 18:34:47 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by UCHIYAMA Yasushi.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _HPCBOOT_LOAD_ELF_H_
40 #define _HPCBOOT_LOAD_ELF_H_
41 
42 #include <exec_elf.h>
43 
44 class ElfLoader : public Loader {
45 private:
46 	Elf_Ehdr _eh;
47 	Elf_Phdr _ph[16];
48 
49 	BOOL is_elf_file(void) {
50 		return
51 			_eh.e_ident[EI_MAG0] == ELFMAG0 &&
52 			_eh.e_ident[EI_MAG1] == ELFMAG1 &&
53 			_eh.e_ident[EI_MAG2] == ELFMAG2 &&
54 			_eh.e_ident[EI_MAG3] == ELFMAG3;
55 	}
56 	BOOL read_header(void);
57 	struct PageTag *load_page(vaddr_t, off_t, size_t, struct PageTag *);
58 
59 public:
60 	ElfLoader(Console *&, MemoryManager *&);
61 	virtual ~ElfLoader(void);
62 
63 	BOOL setFile(File *&);
64 	size_t memorySize(void);
65 	BOOL load(void);
66 	kaddr_t jumpAddr(void);
67 };
68 
69 #endif //_HPCBOOT_LOAD_ELF_H_
70