1  /*
 2   * Copyright (c) 2016 Apple 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  #ifndef _KXLD_SPLITINFOLC_H_
29  #define _KXLD_SPLITINFOLC_H_
30  
31  #include <sys/types.h>
32  #if KERNEL
33  #include <libkern/kxld_types.h>
34  #else
35  #include "kxld_types.h"
36  #endif
37  
38  struct linkedit_data_command;
39  typedef struct kxld_splitinfolc KXLDsplitinfolc;
40  
41  struct kxld_splitinfolc {
42  	uint32_t    cmdsize;
43  	uint32_t    dataoff;
44  	uint32_t    datasize;
45  	boolean_t   has_splitinfolc;
46  };
47  
48  /*******************************************************************************
49  * Constructors and destructors
50  *******************************************************************************/
51  
52  void kxld_splitinfolc_init_from_macho(KXLDsplitinfolc *splitinfolc, struct linkedit_data_command *src)
53  __attribute__((nonnull, visibility("hidden")));
54  
55  void kxld_splitinfolc_clear(KXLDsplitinfolc *splitinfolc)
56  __attribute__((nonnull, visibility("hidden")));
57  
58  /*******************************************************************************
59  * Accessors
60  *******************************************************************************/
61  
62  u_long kxld_splitinfolc_get_macho_header_size(void)
63  __attribute__((pure, visibility("hidden")));
64  
65  kern_return_t
66  kxld_splitinfolc_export_macho(const KXLDsplitinfolc *splitinfolc,
67      splitKextLinkInfo *linked_object,
68      u_long *header_offset,
69      u_long header_size,
70      u_long *data_offset,
71      u_long size)
72  __attribute__((pure, nonnull, visibility("hidden")));
73  
74  #endif /* _KXLD_SPLITINFOLC_H_ */