xref: /netbsd/sys/lib/libsa/loadfile.h (revision bc46dda5)
1 /*	$NetBSD: loadfile.h,v 1.15 2021/05/21 21:52:15 jmcneill 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 #define LOAD_DYN	0x4000
57 
58 #define COUNT_TEXT	0x0100
59 #define COUNT_TEXTA	0x0200
60 #define COUNT_DATA	0x0400
61 #define COUNT_BSS	0x0800
62 #define COUNT_SYM	0x1000
63 #define COUNT_HDR	0x2000
64 #define COUNT_ALL	0x3f00
65 
66 int loadfile(const char *, u_long *, int);
67 int fdloadfile(int fd, u_long *, int);
68 
69 #ifndef MACHINE_LOADFILE_MACHDEP
70 #define MACHINE_LOADFILE_MACHDEP "machine/loadfile_machdep.h"
71 #endif
72 #include MACHINE_LOADFILE_MACHDEP
73 
74 #ifdef BOOT_ECOFF
75 #include <sys/exec_ecoff.h>
76 int loadfile_coff(int, struct ecoff_exechdr *, u_long *, int);
77 #endif
78 
79 #if defined(BOOT_ELF32) || defined(BOOT_ELF64)
80 #include <sys/exec_elf.h>
81 #ifdef BOOT_ELF32
82 int loadfile_elf32(int, Elf32_Ehdr *, u_long *, int);
83 #endif
84 #ifdef BOOT_ELF64
85 int loadfile_elf64(int, Elf64_Ehdr *, u_long *, int);
86 #endif
87 #endif /* BOOT_ELF32 || BOOT_ELF64 */
88 
89 #ifdef BOOT_AOUT
90 #include <sys/exec_aout.h>
91 int loadfile_aout(int, struct exec *, u_long *, int);
92 #endif
93 
94 extern uint32_t netbsd_version;
95 extern u_int netbsd_elf_class;
96 extern u_int netbsd_elf_data;
97