FreeBSD/Linux Kernel Cross Reference
sys/libkern/kxld/kxld_kext.h

     /*
      * Copyright (c) 2008 Apple Inc. All rights reserved.
      *
      * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
      * 
      * This file contains Original Code and/or Modifications of Original Code
      * as defined in and that are subject to the Apple Public Source License
      * Version 2.0 (the 'License'). You may not use this file except in
      * compliance with the License. The rights granted to you under the License
     * may not be used to create, or enable the creation or redistribution of,
     * unlawful or unlicensed copies of an Apple operating system, or to
     * circumvent, violate, or enable the circumvention or violation of, any
     * terms of an Apple operating system software license agreement.
     * 
     * Please obtain a copy of the License at
     * http://www.opensource.apple.com/apsl/ and read it before using this file.
     * 
     * The Original Code and all software distributed under the License are
     * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
     * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
     * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
     * Please see the License for the specific language governing rights and
     * limitations under the License.
     * 
     * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
     */
    #ifndef _KXLD_KEXT_H_
    #define _KXLD_KEXT_H_
    
    #include <mach/machine.h>
    #include <sys/types.h>
    #if KERNEL
        #include <libkern/kxld_types.h>
    #else 
        #include "kxld_types.h"
    #endif
    
    struct kxld_array;
    struct kxld_kext;
    struct kxld_dict;
    struct kxld_sect;
    struct kxld_seg;
    struct kxld_symtab;
    struct kxld_vtable;
    typedef struct kxld_kext KXLDKext;
    
    /*******************************************************************************
    * Constructors and Destructors
    *******************************************************************************/
    
    size_t kxld_kext_sizeof(void)
        __attribute__((const, nonnull, visibility("hidden")));
    
    kern_return_t kxld_kext_init(KXLDKext *kext, u_char *file, u_long size,
        const char *name, KXLDFlags flags, boolean_t is_kernel, KXLDArray *seg_order, 
        cpu_type_t cputype, cpu_subtype_t cpusubtype)
        __attribute__((nonnull(1,2,4), visibility("hidden")));
    
    void kxld_kext_clear(KXLDKext *kext)
        __attribute__((nonnull, visibility("hidden")));
    
    void kxld_kext_deinit(KXLDKext *kext)
        __attribute__((nonnull, visibility("hidden")));
    
    /*******************************************************************************
    * Accessors
    *******************************************************************************/
    
    boolean_t kxld_kext_is_true_kext(const KXLDKext *kext) 
        __attribute__((pure, nonnull, visibility("hidden")));
    
    boolean_t kxld_kext_is_32_bit(const KXLDKext *kext)
        __attribute__((pure, nonnull, visibility("hidden")));
    
    void kxld_kext_get_cputype(const KXLDKext *kext, cpu_type_t *cputype,
        cpu_subtype_t *cpusubtype)
        __attribute__((nonnull, visibility("hidden")));
    
    kern_return_t kxld_kext_validate_cputype(const KXLDKext *kext, cpu_type_t cputype,
        cpu_subtype_t cpusubtype)
        __attribute__((pure, nonnull, visibility("hidden")));
    
    void kxld_kext_get_vmsize(const KXLDKext *kext, u_long *header_size, 
        u_long *vmsize)
        __attribute__((nonnull, visibility("hidden")));
    
    const struct kxld_symtab * kxld_kext_get_symtab(const KXLDKext *kext)
        __attribute__((pure, nonnull, visibility("hidden")));
    
    u_int kxld_kext_get_num_symbols(const KXLDKext *kext)
        __attribute__((pure, nonnull, visibility("hidden")));
    
    void kxld_kext_get_vtables(KXLDKext *kext, const struct kxld_array **vtables)
        __attribute__((nonnull, visibility("hidden")));
    
    u_int kxld_kext_get_num_vtables(const KXLDKext *kext)
        __attribute__((pure, nonnull, visibility("hidden")));
    
   struct kxld_seg * kxld_kext_get_seg_by_name(const KXLDKext *kext, 
       const char *segname)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   struct kxld_sect * kxld_kext_get_sect_by_name(const KXLDKext *kext, 
       const char *segname, const char *sectname)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   int kxld_kext_get_sectnum_for_sect(const KXLDKext *kext, 
       const struct kxld_sect *sect)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   const struct kxld_array * kxld_kext_get_section_order(const KXLDKext *kext)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   /* This will be the same size as kxld_kext_get_vmsize */
   kern_return_t kxld_kext_export_linked_object(const KXLDKext *kext,
       u_char *linked_object, kxld_addr_t *kmod_info_kern)
       __attribute__((nonnull, visibility("hidden")));
   
   #if !KERNEL
   kern_return_t kxld_kext_export_symbol_file(const KXLDKext *kext, 
       u_char **symbol_file, u_long *filesize)
       __attribute__((nonnull, visibility("hidden")));
   #endif
   
   boolean_t kxld_kext_target_needs_swap(const KXLDKext *kext)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   /*******************************************************************************
   * Modifiers
   *******************************************************************************/
   
   kern_return_t kxld_kext_resolve(KXLDKext *kext, struct kxld_dict *patched_vtables,
       struct kxld_dict *defined_symbols)
       __attribute__((nonnull, visibility("hidden")));
   
   kern_return_t kxld_kext_relocate(KXLDKext *kext, kxld_addr_t link_address,
       struct kxld_dict *patched_vtables, struct kxld_dict *defined_symbols,
       struct kxld_dict *obsolete_symbols)
       __attribute__((nonnull(1,3,4), visibility("hidden")));
   
   #endif /* _KXLD_KEXT_H_ */

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