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Commit	Line	Data
	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_ */