libkern/kxld/kxld_splitinfolc.h

   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_ */