vm: fix potential null deref
[minix.git] / sys / lib / libsa / loadfile.h
blob44af4235f9f5c8659cc23d4d45f48fe97db47e0b
1 /* $NetBSD: loadfile.h,v 1.12 2010/08/25 16:30:01 christos Exp $ */
3 /*-
4 * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
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.
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.
33 * Array indices in the u_long position array
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
44 * Bit flags for sections to load
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
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
65 int loadfile(const char *, u_long *, int);
66 int fdloadfile(int fd, u_long *, int);
68 #ifndef MACHINE_LOADFILE_MACHDEP
69 #define MACHINE_LOADFILE_MACHDEP "machine/loadfile_machdep.h"
70 #endif
71 #include MACHINE_LOADFILE_MACHDEP
73 #ifdef BOOT_ECOFF
74 #include <sys/exec_ecoff.h>
75 int loadfile_coff(int, struct ecoff_exechdr *, u_long *, int);
76 #endif
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 */
88 #ifdef BOOT_AOUT
89 #include <sys/exec_aout.h>
90 int loadfile_aout(int, struct exec *, u_long *, int);
91 #endif
93 extern uint32_t netbsd_version;
94 extern u_int netbsd_elf_class;