xref: /illumos-gate/usr/src/uts/common/sys/elf_amd64.h (revision a530dbfe)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_ELF_AMD64_H
#define	_SYS_ELF_AMD64_H

#include <sys/elf_386.h>

#ifdef	__cplusplus
extern "C" {
#endif

#define	R_AMD64_NONE		0	/* relocation types */
#define	R_AMD64_64		1
#define	R_AMD64_PC32		2
#define	R_AMD64_GOT32		3
#define	R_AMD64_PLT32		4
#define	R_AMD64_COPY		5
#define	R_AMD64_GLOB_DAT	6
#define	R_AMD64_JUMP_SLOT	7
#define	R_AMD64_RELATIVE	8
#define	R_AMD64_GOTPCREL	9
#define	R_AMD64_32		10
#define	R_AMD64_32S		11
#define	R_AMD64_16		12
#define	R_AMD64_PC16		13
#define	R_AMD64_8		14
#define	R_AMD64_PC8		15
#define	R_AMD64_DTPMOD64	16
#define	R_AMD64_DTPOFF64	17
#define	R_AMD64_TPOFF64		18
#define	R_AMD64_TLSGD		19
#define	R_AMD64_TLSLD		20
#define	R_AMD64_DTPOFF32	21
#define	R_AMD64_GOTTPOFF	22
#define	R_AMD64_TPOFF32		23
#define	R_AMD64_PC64		24
#define	R_AMD64_GOTOFF64	25
#define	R_AMD64_GOTPC32		26
#define	R_AMD64_GOT64		27	/* reserved for future expansion */
#define	R_AMD64_GOTPCREL64	28	/* reserved for future expansion */
#define	R_AMD64_GOTPC64		29	/* reserved for future expansion */
#define	R_AMD64_GOTPLT64	30	/* reserved for future expansion */
#define	R_AMD64_PLTOFF64	31	/* reserved for future expansion */
#define	R_AMD64_SIZE32		32
#define	R_AMD64_SIZE64		33
#define	R_AMD64_GOTPC32_TLSDESC	34
#define	R_AMD64_TLSDESC_CALL	35
#define	R_AMD64_TLSDESC		36
#define	R_AMD64_IRELATIVE	37
#define	R_AMD64_RELATIVE64	38
#define	R_AMD64_UNKNOWN39	39	/* deprecated */
#define	R_AMD64_UNKNOWN40	40	/* deprecated */
#define	R_AMD64_GOTPCRELX	41
#define	R_AMD64_REX_GOTPCRELX	42
#define	R_AMD64_NUM		43

/*
 * The "System V Application Binary Interface, AMD64 Architecture Processor
 * Supplement", defines relocations in terms of R_X86_64_ rather than R_AMD64_.
 * Maintain both relocation naming conventions for compatibility.
 */
#define	R_X86_64_NONE			R_AMD64_NONE
#define	R_X86_64_64			R_AMD64_64
#define	R_X86_64_PC32			R_AMD64_PC32
#define	R_X86_64_GOT32			R_AMD64_GOT32
#define	R_X86_64_PLT32			R_AMD64_PLT32
#define	R_X86_64_COPY			R_AMD64_COPY
#define	R_X86_64_GLOB_DAT		R_AMD64_GLOB_DAT
#define	R_X86_64_JUMP_SLOT		R_AMD64_JUMP_SLOT
#define	R_X86_64_RELATIVE		R_AMD64_RELATIVE
#define	R_X86_64_GOTPCREL		R_AMD64_GOTPCREL
#define	R_X86_64_32			R_AMD64_32
#define	R_X86_64_32S			R_AMD64_32S
#define	R_X86_64_16			R_AMD64_16
#define	R_X86_64_PC16			R_AMD64_PC16
#define	R_X86_64_8			R_AMD64_8
#define	R_X86_64_PC8			R_AMD64_PC8
#define	R_X86_64_DTPMOD64		R_AMD64_DTPMOD64
#define	R_X86_64_DTPOFF64		R_AMD64_DTPOFF64
#define	R_X86_64_TPOFF64		R_AMD64_TPOFF64
#define	R_X86_64_TLSGD			R_AMD64_TLSGD
#define	R_X86_64_TLSLD			R_AMD64_TLSLD
#define	R_X86_64_DTPOFF32		R_AMD64_DTPOFF32
#define	R_X86_64_GOTTPOFF		R_AMD64_GOTTPOFF
#define	R_X86_64_TPOFF32		R_AMD64_TPOFF32
#define	R_X86_64_PC64			R_AMD64_PC64
#define	R_X86_64_GOTPC32		R_AMD64_GOTPC32
#define	R_X86_64_GOTOFF64		R_AMD64_GOTOFF64
#define	R_X86_64_GOT64			R_AMD64_GOT64
#define	R_X86_64_GOTPCREL64		R_AMD64_GOTPCREL64
#define	R_X86_64_GOTPC64		R_AMD64_GOTPC64
#define	R_X86_64_GOTPLT64		R_AMD64_GOTPLT64
#define	R_X86_64_PLTOFF64		R_AMD64_PLTOFF64
#define	R_X86_64_SIZE32			R_AMD64_SIZE32
#define	R_X86_64_SIZE64			R_AMD64_SIZE64
#define	R_X86_64_GOTPC32_TLSDESC	R_AMD64_GOTPC32_TLSDESC
#define	R_X86_64_TLSDESC_CALL		R_AMD64_TLSDESC_CALL
#define	R_X86_64_TLSDESC		R_AMD64_TLSDESC
#define	R_X86_64_IRELATIVE		R_AMD64_IRELATIVE
#define	R_X86_64_RELATIVE64		R_AMD64_RELATIVE64
#define	R_X86_64_GOTPCRELX		R_AMD64_GOTPCRELX
#define	R_X86_64_REX_GOTPCRELX		R_AMD64_REX_GOTPCRELX
#define	R_X86_64_NUM			R_AMD64_NUM

#define	ELF_AMD64_MAXPGSZ	0x100000	/* maximum page size */

/*
 * processor specific section types
 */
#define	SHT_AMD64_UNWIND	0x70000001	/* unwind information */
#define	SHT_X86_64_UNWIND	SHT_AMD64_UNWIND

/*
 * NOTE: PT_SUNW_UNWIND is defined in the OS specific range
 *	 to conform with the amd64 psABI.
 */

#define	SHF_AMD64_LARGE		0x10000000
#define	SHF_X86_64_LARGE	SHF_AMD64_LARGE

#define	SHN_AMD64_LCOMMON	0xff02
#define	SHN_X86_64_LCOMMON	SHN_AMD64_LCOMMON

/*
 * There are consumers of this file that want to include elf defines for
 * all architectures.  This is a problem for the defines below, because
 * while they are architecture specific they have common names.  Hence to
 * prevent attempts to redefine these variables we'll check if any of
 * the other elf architecture header files have been included.  If
 * they have then we'll just stick with the existing definitions.
 */
#if defined(_SYS_ELF_MACH_386)

/*
 * Plt and Got information; the first few .got and .plt entries are reserved
 *	PLT[0]	jump to dynamic linker
 *	GOT[0]	address of _DYNAMIC
 */
#define	M64_WORD_ALIGN		8
#define	M64_PLT_ENTSIZE		M32_PLT_ENTSIZE
#define	M64_PLT_ALIGN		M64_WORD_ALIGN	/* alignment of .plt section */
#define	M64_GOT_ENTSIZE		8	/* got entry size in bytes */
#define	M64_PLT_RESERVSZ	M32_PLT_RESERVSZ

/*
 * Make common alias for the 32/64 bit specific defines based on _ELF64
 */
#if defined(_ELF64)
/* architecture common defines */
#define	M_WORD_ALIGN		M64_WORD_ALIGN
#define	M_PLT_ENTSIZE		M64_PLT_ENTSIZE
#define	M_PLT_ALIGN		M64_PLT_ALIGN
#define	M_PLT_RESERVSZ		M64_PLT_RESERVSZ
#define	M_GOT_ENTSIZE		M64_GOT_ENTSIZE
#endif /* _ELF64 */

#endif /* _SYS_ELF_MACH_386 */

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_ELF_AMD64_H */