[linux-2.6-block.git] / arch / arc / include / asm / elf.h

/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __ASM_ARC_ELF_H
#define __ASM_ARC_ELF_H

#include <linux/types.h>
#include <uapi/asm/elf.h>

/* These ELF defines belong to uapi but libc elf.h already defines them */
#define EM_ARCOMPACT		93

#define EM_ARCV2		195	/* ARCv2 Cores */

#define EM_ARC_INUSE		(IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \
					EM_ARCOMPACT : EM_ARCV2)

/* ARC Relocations (kernel Modules only) */
#define  R_ARC_32		0x4
#define  R_ARC_32_ME		0x1B
#define  R_ARC_S25H_PCREL	0x10
#define  R_ARC_S25W_PCREL	0x11

/*to set parameters in the core dumps */
#define ELF_ARCH		EM_ARCOMPACT
#define ELF_CLASS		ELFCLASS32

#ifdef CONFIG_CPU_BIG_ENDIAN
#define ELF_DATA		ELFDATA2MSB
#else
#define ELF_DATA		ELFDATA2LSB
#endif

/*
 * To ensure that
 *  -we don't load something for the wrong architecture.
 *  -The userspace is using the correct syscall ABI
 */
struct elf32_hdr;
extern int elf_check_arch(const struct elf32_hdr *);
#define elf_check_arch	elf_check_arch

#define CORE_DUMP_USE_REGSET

#define ELF_EXEC_PAGESIZE	PAGE_SIZE

/*
 * This is the location that an ET_DYN program is loaded if exec'ed.  Typical
 * use of this is to invoke "./ld.so someprog" to test out a new version of
 * the loader.  We need to make sure that it is out of the way of the program
 * that it will "exec", and that there is sufficient room for the brk.
 */
#define ELF_ET_DYN_BASE		(2 * TASK_SIZE / 3)

/*
 * When the program starts, a1 contains a pointer to a function to be
 * registered with atexit, as per the SVR4 ABI.  A value of 0 means we
 * have no such handler.
 */
#define ELF_PLAT_INIT(_r, load_addr)	((_r)->r0 = 0)

/*
 * This yields a mask that user programs can use to figure out what
 * instruction set this cpu supports.
 */
#define ELF_HWCAP	(0)

/*
 * This yields a string that ld.so will use to load implementation
 * specific libraries for optimization.  This is more specific in
 * intent than poking at uname or /proc/cpuinfo.
 */
#define ELF_PLATFORM	(NULL)

#endif
Commit	Line	Data
3be80aae VG	1	/*
	2	* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8
	9	#ifndef __ASM_ARC_ELF_H
	10	#define __ASM_ARC_ELF_H
	11
8ccfe667 VG	12	#include <linux/types.h>
8ccfe667 VG	13	#include <uapi/asm/elf.h>
3be80aae	14
8ccfe667	15	/* These ELF defines belong to uapi but libc elf.h already defines them */
3be80aae VG	16	#define EM_ARCOMPACT 93
3be80aae VG	17
1f6ccfff VG	18	#define EM_ARCV2 195 /* ARCv2 Cores */
	19
	20	#define EM_ARC_INUSE (IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \
	21	EM_ARCOMPACT : EM_ARCV2)
	22
3be80aae VG	23	/* ARC Relocations (kernel Modules only) */
	24	#define R_ARC_32 0x4
	25	#define R_ARC_32_ME 0x1B
	26	#define R_ARC_S25H_PCREL 0x10
	27	#define R_ARC_S25W_PCREL 0x11
	28
8ccfe667 VG	29	/to set parameters in the core dumps /
	30	#define ELF_ARCH EM_ARCOMPACT
	31	#define ELF_CLASS ELFCLASS32
3be80aae	32
8ccfe667 VG	33	#ifdef CONFIG_CPU_BIG_ENDIAN
	34	#define ELF_DATA ELFDATA2MSB
	35	#else
	36	#define ELF_DATA ELFDATA2LSB
	37	#endif
3be80aae VG	38
	39	/*
	40	* To ensure that
	41	* -we don't load something for the wrong architecture.
	42	* -The userspace is using the correct syscall ABI
	43	*/
	44	struct elf32_hdr;
	45	extern int elf_check_arch(const struct elf32_hdr *);
	46	#define elf_check_arch elf_check_arch
	47
3be80aae VG	48	#define CORE_DUMP_USE_REGSET
	49
	50	#define ELF_EXEC_PAGESIZE PAGE_SIZE
	51
	52	/*
	53	* This is the location that an ET_DYN program is loaded if exec'ed. Typical
	54	* use of this is to invoke "./ld.so someprog" to test out a new version of
	55	* the loader. We need to make sure that it is out of the way of the program
	56	* that it will "exec", and that there is sufficient room for the brk.
	57	*/
	58	#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
	59
	60	/*
	61	* When the program starts, a1 contains a pointer to a function to be
	62	* registered with atexit, as per the SVR4 ABI. A value of 0 means we
	63	* have no such handler.
	64	*/
	65	#define ELF_PLAT_INIT(_r, load_addr) ((_r)->r0 = 0)
	66
	67	/*
	68	* This yields a mask that user programs can use to figure out what
	69	* instruction set this cpu supports.
	70	*/
	71	#define ELF_HWCAP (0)
	72
	73	/*
	74	* This yields a string that ld.so will use to load implementation
	75	* specific libraries for optimization. This is more specific in
	76	* intent than poking at uname or /proc/cpuinfo.
	77	*/
	78	#define ELF_PLATFORM (NULL)
	79
3be80aae	80	#endif