1 /* 2 * Copyright (c) 2008 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_KEXT_H_ 29 #define _KXLD_KEXT_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 kxld_array; 39 struct kxld_kext; 40 struct kxld_dict; 41 struct kxld_object; 42 struct kxld_sect; 43 struct kxld_seg; 44 struct kxld_symtab; 45 struct kxld_vtable; 46 typedef struct kxld_kext KXLDKext; 47 48 /******************************************************************************* 49 * Constructors and Destructors 50 *******************************************************************************/ 51 52 size_t kxld_kext_sizeof(void) 53 __attribute__((const, visibility("hidden"))); 54 55 kern_return_t kxld_kext_init(KXLDKext *kext, struct kxld_object *kext_object, 56 struct kxld_object *interface_object) 57 __attribute__((nonnull(1, 2), visibility("hidden"))); 58 59 void kxld_kext_clear(KXLDKext *kext) 60 __attribute__((nonnull, visibility("hidden"))); 61 62 void kxld_kext_deinit(KXLDKext *kext) 63 __attribute__((nonnull, visibility("hidden"))); 64 65 /******************************************************************************* 66 * Accessors 67 *******************************************************************************/ 68 69 kern_return_t kxld_kext_export_symbols(const KXLDKext *kext, 70 struct kxld_dict *defined_symbols_by_name, 71 struct kxld_dict *obsolete_symbols_by_name, 72 struct kxld_dict *defined_cxx_symbols_by_value) 73 __attribute__((nonnull(1), visibility("hidden"))); 74 75 void kxld_kext_get_vmsize_for_seg_by_name(const KXLDKext *kext, 76 const char *segname, 77 u_long *vmsize) 78 __attribute__((nonnull, visibility("hidden"))); 79 80 void kxld_kext_get_vmsize(const KXLDKext *kext, 81 u_long *header_size, u_long *vmsize) 82 __attribute__((nonnull, visibility("hidden"))); 83 84 void kxld_kext_set_linked_object_size(KXLDKext *kext, u_long vmsize) 85 __attribute__((nonnull, visibility("hidden"))); 86 87 kern_return_t kxld_kext_export_linked_object(const KXLDKext *kext, 88 void *linked_object, 89 kxld_addr_t *kmod_info) 90 __attribute__((nonnull, visibility("hidden"))); 91 92 /******************************************************************************* 93 * Modifiers 94 *******************************************************************************/ 95 kern_return_t kxld_kext_export_vtables(KXLDKext *kext, 96 const struct kxld_dict *defined_cxx_symbols, 97 const struct kxld_dict *defined_symbols, 98 struct kxld_dict *vtables) 99 __attribute__((nonnull, visibility("hidden"))); 100 101 kern_return_t kxld_kext_relocate(KXLDKext *kext, 102 kxld_addr_t link_address, 103 struct kxld_dict *patched_vtables, 104 const struct kxld_dict *defined_symbols, 105 const struct kxld_dict *obsolete_symbols, 106 const struct kxld_dict *defined_cxx_symbols) 107 __attribute__((nonnull(1, 3, 4), visibility("hidden"))); 108 109 110 #endif /* _KXLD_KEXT_H_ */ 111