1/* 2 * Copyright (c) 1999 Apple Computer, 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 29#ifndef _MACHO_KLD_H_ 30#define _MACHO_KLD_H_ 31 32#include <mach-o/loader.h> 33#include <stdarg.h> 34 35/* 36 * These API's are in libkld. Both kmodload(8) and /mach_kernel should 37 * link with -lkld and then ld(1) will expand -lkld to libkld.dylib or 38 * libkld.a depending on if -dynamic or -static is in effect. 39 * 40 * Note: we are using the __DYNAMIC__ flag to indicate user space kernel 41 * linking and __STATIC__ as a synonym of KERNEL. 42 */ 43 44/* 45 * Note that you must supply the following function for error reporting when 46 * using any of the functions listed here. 47 */ 48extern void kld_error_vprintf(const char *format, va_list ap); 49 50/* 51 * These two are only in libkld.dylib for use by kmodload(8) (user code compiled 52 * with the default -dynamic). 53 */ 54#ifdef __DYNAMIC__ 55__private_extern__ long kld_load_basefile( 56 const char *base_filename); 57 58/* Note: this takes only one object file name */ 59__private_extern__ long kld_load( 60 struct mach_header **header_addr, 61 const char *object_filename, 62 const char *output_filename); 63 64__private_extern__ long kld_load_from_memory( 65 struct mach_header **header_addr, 66 const char *object_name, 67 char *object_addr, 68 long object_size, 69 const char *output_filename); 70#endif /* __DYNAMIC__ */ 71 72/* 73 * This two are only in libkld.a use by /mach_kernel (kernel code compiled with 74 * -static). 75 */ 76#ifdef __STATIC__ 77/* Note: this api does not write an output file */ 78__private_extern__ long kld_load_from_memory( 79 struct mach_header **header_addr, 80 const char *object_name, 81 char *object_addr, 82 long object_size); 83#endif /* __STATIC__ */ 84 85__private_extern__ long kld_load_basefile_from_memory( 86 const char *base_filename, 87 char *base_addr, 88 long base_size); 89 90__private_extern__ long kld_unload_all( 91 long deallocate_sets); 92 93__private_extern__ long kld_lookup( 94 const char *symbol_name, 95 unsigned long *value); 96 97__private_extern__ long kld_forget_symbol( 98 const char *symbol_name); 99 100__private_extern__ void kld_address_func( 101 unsigned long (*func)(unsigned long size, unsigned long headers_size)); 102 103#define KLD_STRIP_ALL 0x00000000 104#define KLD_STRIP_NONE 0x00000001 105 106__private_extern__ void kld_set_link_options( 107 unsigned long link_options); 108 109#endif /* _MACHO_KLD_H_ */ 110