EXTERNAL_HEADERS/mach-o/kld.h

   1 /*
   2  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #ifndef _MACHO_KLD_H_
  24 #define _MACHO_KLD_H_
  25
  26 #include <mach-o/loader.h>
  27 #include <stdarg.h>
  28
  29 /*
  30  * These API's are in libkld.  Both kmodload(8) and /mach_kernel should
  31  * link with -lkld and then ld(1) will expand -lkld to libkld.dylib or
  32  * libkld.a depending on if -dynamic or -static is in effect.
  33  */
  34
  35 /*
  36  * Note that you must supply the following function for error reporting when
  37  * using any of the functions listed here.
  38  */
  39 extern void kld_error_vprintf(const char *format, va_list ap);
  40
  41 /*
  42  * This two are only in libkld.dylib for use by kmodload(8) (user code compiled
  43  * with the default -dynamic).
  44  */
  45 #ifdef __DYNAMIC__
  46 __private_extern__ long kld_load_basefile(
  47     const char *base_filename);
  48
  49 /* Note: this takes only one object file name */
  50 __private_extern__ long kld_load(
  51     struct mach_header **header_addr,
  52     const char *object_filename,
  53     const char *output_filename);
  54 #endif /* __DYNAMIC__ */
  55
  56 /*
  57  * This two are only in libkld.a use by /mach_kernel (kernel code compiled with
  58  * -static).
  59  */
  60 #ifdef __STATIC__
  61 /* Note: this api does not write an output file */
  62 __private_extern__ long kld_load_from_memory(
  63     struct mach_header **header_addr,
  64     const char *object_name,
  65     char *object_addr,
  66     long object_size);
  67 #endif /* __STATIC__ */
  68
  69 __private_extern__ long kld_unload_all(
  70     long deallocate_sets);
  71
  72 __private_extern__ long kld_lookup(
  73     const char *symbol_name,
  74     unsigned long *value);
  75
  76 __private_extern__ long kld_forget_symbol(
  77     const char *symbol_name);
  78
  79 __private_extern__ void kld_address_func(
  80     unsigned long (*func)(unsigned long size, unsigned long headers_size));
  81
  82 #endif /* _MACHO_KLD_H_ */