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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28/*
29 * File: kern/mach_header.h
30 *
31 * Definitions for accessing mach-o headers. This header wraps the
32 * routines defined in osfmk/mach-o/mach_header.c; this is made clear
33 * by the existance of the getsectcmdsymtabfromheader() prototype.
34 *
35 * NOTE: The functions prototyped by this header only operate againt
36 * 32 bit mach headers. Many of these functions imply the
37 * currently running kernel, and cannot be used against mach
38 * headers other than that of the currently running kernel.
39 *
40 * HISTORY
41 * 29-Jan-92 Mike DeMoney (mike@next.com)
42 * Made into machine independent form from machdep/m68k/mach_header.h.
43 * Ifdef'ed out most of this since I couldn't find any references.
44 */
45
46#ifndef _KERN_MACH_HEADER_
47#define _KERN_MACH_HEADER_
48
49#include <mach/mach_types.h>
50#include <mach-o/loader.h>
51
52#if MACH_KERNEL
53struct mach_header **getmachheaders(void);
54vm_offset_t getlastaddr(void);
55
56struct segment_command *firstseg(void);
57struct segment_command *firstsegfromheader(struct mach_header *header);
58struct segment_command *nextseg(struct segment_command *sgp);
59struct segment_command *nextsegfromheader(
60 struct mach_header *header,
61 struct segment_command *seg);
62struct segment_command *getsegbyname(const char *seg_name);
63struct segment_command *getsegbynamefromheader(
64 struct mach_header *header,
65 const char *seg_name);
66void *getsegdatafromheader(struct mach_header *, const char *, int *);
67struct section *getsectbyname(const char *seg_name, const char *sect_name);
68struct section *getsectbynamefromheader(
69 struct mach_header *header,
70 const char *seg_name,
71 const char *sect_name);
72void *getsectdatafromheader(struct mach_header *, const char *, const char *, int *);
73struct section *firstsect(struct segment_command *sgp);
74struct section *nextsect(struct segment_command *sgp, struct section *sp);
75struct fvmlib_command *fvmlib(void);
76struct fvmlib_command *fvmlibfromheader(struct mach_header *header);
77struct segment_command *getfakefvmseg(void);
78#ifdef MACH_KDB
79struct symtab_command *getsectcmdsymtabfromheader(struct mach_header *);
80boolean_t getsymtab(struct mach_header *, vm_offset_t *, int *,
81 vm_offset_t *, vm_size_t *);
82#endif
83
84#endif /* KERNEL */
85
86#endif /* _KERN_MACH_HEADER_ */