xref: /minix/sys/lib/libsa/loadfile.h (revision 00b67f09)
1 /*	$NetBSD: loadfile.h,v 1.12 2010/08/25 16:30:01 christos Exp $	 */
2 
3 /*-
4  * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * Array indices in the u_long position array
34  */
35 #define MARK_START	0
36 #define MARK_ENTRY	1
37 #define	MARK_DATA	2
38 #define	MARK_NSYM	3
39 #define MARK_SYM	4
40 #define	MARK_END	5
41 #define	MARK_MAX	6
42 
43 /*
44  * Bit flags for sections to load
45  */
46 #define	LOAD_TEXT	0x0001
47 #define	LOAD_TEXTA	0x0002
48 #define	LOAD_DATA	0x0004
49 #define	LOAD_BSS	0x0008
50 #define	LOAD_SYM	0x0010
51 #define	LOAD_HDR	0x0020
52 #define LOAD_NOTE	0x0040
53 #define LOAD_ALL	0x007f
54 #define LOAD_MINIMAL	0x002f
55 #define LOAD_BACKWARDS	0x0050
56 
57 #define	COUNT_TEXT	0x0100
58 #define	COUNT_TEXTA	0x0200
59 #define	COUNT_DATA	0x0400
60 #define	COUNT_BSS	0x0800
61 #define	COUNT_SYM	0x1000
62 #define	COUNT_HDR	0x2000
63 #define COUNT_ALL	0x3f00
64 
65 int	loadfile(const char *, u_long *, int);
66 int	fdloadfile(int fd, u_long *, int);
67 
68 #ifndef MACHINE_LOADFILE_MACHDEP
69 #define MACHINE_LOADFILE_MACHDEP "machine/loadfile_machdep.h"
70 #endif
71 #include MACHINE_LOADFILE_MACHDEP
72 
73 #ifdef BOOT_ECOFF
74 #include <sys/exec_ecoff.h>
75 int	loadfile_coff(int, struct ecoff_exechdr *, u_long *, int);
76 #endif
77 
78 #if defined(BOOT_ELF32) || defined(BOOT_ELF64)
79 #include <sys/exec_elf.h>
80 #ifdef BOOT_ELF32
81 int	loadfile_elf32(int, Elf32_Ehdr *, u_long *, int);
82 #endif
83 #ifdef BOOT_ELF64
84 int	loadfile_elf64(int, Elf64_Ehdr *, u_long *, int);
85 #endif
86 #endif /* BOOT_ELF32 || BOOT_ELF64 */
87 
88 #ifdef BOOT_AOUT
89 #include <sys/exec_aout.h>
90 int	loadfile_aout(int, struct exec *, u_long *, int);
91 #endif
92 
93 extern uint32_t	netbsd_version;
94 extern u_int netbsd_elf_class;
95