FreeBSD/Linux Kernel Cross Reference
sys/libkern/kxld/kxld_symtab.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_SYMTAB_H_
    #define _KXLD_SYMTAB_H_
    
    #include <mach/machine.h>
    #include <sys/types.h>
    #if KERNEL
        #include <libkern/kxld_types.h>
    #else
        #include "kxld_types.h"
    #endif
    
    #include "kxld_sym.h"
    
    struct kxld_array;
    struct symtab_command;
    typedef struct kxld_symtab KXLDSymtab;
    typedef struct kxld_symtab_iterator KXLDSymtabIterator;
    
    struct kxld_symtab_iterator {
        const KXLDSymtab *symtab;
        u_int idx;
        KXLDSymPredicateTest test;
        boolean_t negate;
    };
    
    /*******************************************************************************
    * Constructors and Destructors
    *******************************************************************************/
    
    size_t kxld_symtab_sizeof(void)
        __attribute__((const, nonnull, visibility("hidden")));
    
    #if KXLD_USER_OR_ILP32
    kern_return_t kxld_symtab_init_from_macho_32(KXLDSymtab *symtab, u_char *macho,
        struct symtab_command *src, kxld_addr_t linkedit_offset) 
        __attribute__((nonnull, visibility("hidden")));
    #endif /* KXLD_USER_OR_ILP32 */
    
    #if KXLD_USER_OR_LP64
    kern_return_t kxld_symtab_init_from_macho_64(KXLDSymtab *symtab, u_char *macho,
        struct symtab_command *src, kxld_addr_t linkedit_offset) 
        __attribute__((nonnull, visibility("hidden")));
    #endif /* KXLD_USER_OR_ILP64 */
    
    void kxld_symtab_iterator_init(KXLDSymtabIterator *iter, 
        const KXLDSymtab *symtab, KXLDSymPredicateTest test, boolean_t negate)
        __attribute__((nonnull, visibility("hidden")));
    
    void kxld_symtab_clear(KXLDSymtab *symtab)
        __attribute__((nonnull, visibility("hidden")));
    
    void kxld_symtab_deinit(KXLDSymtab *symtab)
        __attribute__((nonnull, visibility("hidden")));
    
    /*******************************************************************************
    * Accessors
    *******************************************************************************/
    
    u_int kxld_symtab_get_num_symbols(const KXLDSymtab *symtab)
        __attribute__((pure, nonnull, visibility("hidden"))); 
    
    KXLDSym * kxld_symtab_get_symbol_by_index(const KXLDSymtab *symtab, u_int idx)
        __attribute__((pure, nonnull, visibility("hidden")));
    
    KXLDSym * kxld_symtab_get_symbol_by_name(const KXLDSymtab *symtab,
        const char *name)
        __attribute__((pure, nonnull, visibility("hidden")));
    
    KXLDSym * kxld_symtab_get_cxx_symbol_by_value(const KXLDSymtab *symtab,
        kxld_addr_t value)
        __attribute__((pure, nonnull, visibility("hidden")));
        
   kern_return_t kxld_symtab_get_sym_index(const KXLDSymtab *symtab, 
       const KXLDSym * sym, u_int *idx)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   u_long kxld_symtab_get_macho_header_size(void)
       __attribute__((pure, visibility("hidden")));
   
   u_long kxld_symtab_get_macho_data_size(const KXLDSymtab *symtab, 
       boolean_t is_link_state, boolean_t is_32_bit)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   kern_return_t
   kxld_symtab_export_macho(const KXLDSymtab *symtab, u_char *buf, 
       u_long *header_offset, u_long header_size,
       u_long *data_offset, u_long data_size, 
       boolean_t is_link_state, boolean_t is_32_bit)
       __attribute__((nonnull, visibility("hidden")));
       
   u_int kxld_symtab_iterator_get_num_remaining(const KXLDSymtabIterator *iter)
       __attribute__((pure, nonnull, visibility("hidden")));
   
   /*******************************************************************************
   * Modifiers 
   *******************************************************************************/
   
   kern_return_t kxld_symtab_relocate(KXLDSymtab *symtab,
       const struct kxld_array *sectarray)
       __attribute__((nonnull, visibility("hidden")));
       
   kern_return_t kxld_symtab_add_symbol(KXLDSymtab *symtab, char *name, 
       kxld_addr_t link_addr, KXLDSym **symout)
       __attribute__((nonnull, visibility("hidden")));
   
   KXLDSym * kxld_symtab_iterator_get_next(KXLDSymtabIterator *iter)
       __attribute__((nonnull, visibility("hidden")));
   
   void kxld_symtab_iterator_reset(KXLDSymtabIterator *iter)
       __attribute__((nonnull, visibility("hidden")));
   
   #endif /* _KXLD_SYMTAB_H_ */
   

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