[apple/xnu.git] / EXTERNAL_HEADERS / mach-o / arm64 / reloc.h

/*
 * Copyright (c) 2010 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_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. 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_LICENSE_HEADER_END@
 */
/*
 * Relocation types used in the arm64 implementation.
 */
enum reloc_type_arm64
{
    ARM64_RELOC_UNSIGNED,	  // for pointers
    ARM64_RELOC_SUBTRACTOR,       // must be followed by a ARM64_RELOC_UNSIGNED
    ARM64_RELOC_BRANCH26,         // a B/BL instruction with 26-bit displacement
    ARM64_RELOC_PAGE21,           // pc-rel distance to page of target
    ARM64_RELOC_PAGEOFF12,        // offset within page, scaled by r_length
    ARM64_RELOC_GOT_LOAD_PAGE21,  // pc-rel distance to page of GOT slot
    ARM64_RELOC_GOT_LOAD_PAGEOFF12, // offset within page of GOT slot,
                                    //  scaled by r_length
    ARM64_RELOC_POINTER_TO_GOT,   // for pointers to GOT slots
    ARM64_RELOC_TLVP_LOAD_PAGE21, // pc-rel distance to page of TLVP slot
    ARM64_RELOC_TLVP_LOAD_PAGEOFF12, // offset within page of TLVP slot,
                                     //  scaled by r_length
    ARM64_RELOC_ADDEND		  // must be followed by PAGE21 or PAGEOFF12
};
Commit	Line	Data
5ba3f43e A	1	/*
	2	* Copyright (c) 2010 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_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. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*
	24	* Relocation types used in the arm64 implementation.
	25	*/
	26	enum reloc_type_arm64
	27	{
	28	ARM64_RELOC_UNSIGNED, // for pointers
	29	ARM64_RELOC_SUBTRACTOR, // must be followed by a ARM64_RELOC_UNSIGNED
	30	ARM64_RELOC_BRANCH26, // a B/BL instruction with 26-bit displacement
	31	ARM64_RELOC_PAGE21, // pc-rel distance to page of target
	32	ARM64_RELOC_PAGEOFF12, // offset within page, scaled by r_length
	33	ARM64_RELOC_GOT_LOAD_PAGE21, // pc-rel distance to page of GOT slot
	34	ARM64_RELOC_GOT_LOAD_PAGEOFF12, // offset within page of GOT slot,
	35	// scaled by r_length
	36	ARM64_RELOC_POINTER_TO_GOT, // for pointers to GOT slots
	37	ARM64_RELOC_TLVP_LOAD_PAGE21, // pc-rel distance to page of TLVP slot
	38	ARM64_RELOC_TLVP_LOAD_PAGEOFF12, // offset within page of TLVP slot,
	39	// scaled by r_length
	40	ARM64_RELOC_ADDEND // must be followed by PAGE21 or PAGEOFF12
	41	};