[deliverable/linux.git] / arch / microblaze / include / asm / elf.h

/*
 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2008-2009 PetaLogix
 * Copyright (C) 2006 Atmark Techno, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#ifndef _ASM_MICROBLAZE_ELF_H
#define _ASM_MICROBLAZE_ELF_H

/*
 * Note there is no "official" ELF designation for Microblaze.
 * I've snaffled the value from the microblaze binutils source code
 * /binutils/microblaze/include/elf/microblaze.h
 */
#define EM_MICROBLAZE		189
#define EM_MICROBLAZE_OLD	0xbaab
#define ELF_ARCH		EM_MICROBLAZE

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch(x)	((x)->e_machine == EM_MICROBLAZE \
				 || (x)->e_machine == EM_MICROBLAZE_OLD)

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS32

#ifndef __uClinux__

/*
 * ELF register definitions..
 */

#include <asm/ptrace.h>
#include <asm/byteorder.h>

#ifndef ELF_GREG_T
#define ELF_GREG_T
typedef unsigned long elf_greg_t;
#endif

#ifndef ELF_NGREG
#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
#endif

#ifndef ELF_GREGSET_T
#define ELF_GREGSET_T
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
#endif

#ifndef ELF_FPREGSET_T
#define ELF_FPREGSET_T

/* TBD */
#define ELF_NFPREG	33	/* includes fsr */
typedef unsigned long elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];

/* typedef struct user_fpu_struct elf_fpregset_t; */
#endif

/* 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         (0x08000000)

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

#define ELF_EXEC_PAGESIZE	PAGE_SIZE


#define ELF_CORE_COPY_REGS(_dest, _regs)			\
	memcpy((char *) &_dest, (char *) _regs,		\
	sizeof(struct pt_regs));

/* This yields a mask that user programs can use to figure out what
 * instruction set this CPU supports.  This could be done in user space,
 * but it's not easy, and we've already done it here.
 */
#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.

 * For the moment, we have only optimizations for the Intel generations,
 * but that could change...
 */
#define ELF_PLATFORM  (NULL)

/* Added _f parameter. Is this definition correct: TBD */
#define ELF_PLAT_INIT(_r, _f)				\
do {							\
	_r->r1 =  _r->r1 =  _r->r2 =  _r->r3 =		\
	_r->r4 =  _r->r5 =  _r->r6 =  _r->r7 =		\
	_r->r8 =  _r->r9 =  _r->r10 = _r->r11 =		\
	_r->r12 = _r->r13 = _r->r14 = _r->r15 =		\
	_r->r16 = _r->r17 = _r->r18 = _r->r19 =		\
	_r->r20 = _r->r21 = _r->r22 = _r->r23 =		\
	_r->r24 = _r->r25 = _r->r26 = _r->r27 =		\
	_r->r28 = _r->r29 = _r->r30 = _r->r31 =		\
	0;						\
} while (0)

#ifdef __KERNEL__
#define SET_PERSONALITY(ex) \
	set_personality(PER_LINUX_32BIT | (current->personality & (~PER_MASK)))
#endif

#endif /* __uClinux__ */

#endif /* _ASM_MICROBLAZE_ELF_H */
Commit	Line	Data
c6087fdc	1	/*
e57a221f MS	2	* Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
e57a221f MS	3	* Copyright (C) 2008-2009 PetaLogix
c6087fdc MS	4	* Copyright (C) 2006 Atmark Techno, Inc.
	5	*
	6	* This file is subject to the terms and conditions of the GNU General Public
	7	* License. See the file "COPYING" in the main directory of this archive
	8	* for more details.
	9	*/
	10
	11	#ifndef _ASM_MICROBLAZE_ELF_H
	12	#define _ASM_MICROBLAZE_ELF_H
	13
	14	/*
	15	* Note there is no "official" ELF designation for Microblaze.
	16	* I've snaffled the value from the microblaze binutils source code
	17	* /binutils/microblaze/include/elf/microblaze.h
	18	*/
69515f8b EI	19	#define EM_MICROBLAZE 189
	20	#define EM_MICROBLAZE_OLD 0xbaab
	21	#define ELF_ARCH EM_MICROBLAZE
c6087fdc MS	22
	23	/*
	24	* This is used to ensure we don't load something for the wrong architecture.
	25	*/
69515f8b EI	26	#define elf_check_arch(x) ((x)->e_machine == EM_MICROBLAZE \
69515f8b EI	27	\|\| (x)->e_machine == EM_MICROBLAZE_OLD)
c6087fdc MS	28
	29	/*
	30	* These are used to set parameters in the core dumps.
	31	*/
	32	#define ELF_CLASS ELFCLASS32
	33
e57a221f MS	34	#ifndef __uClinux__
	35
	36	/*
	37	* ELF register definitions..
	38	*/
	39
	40	#include <asm/ptrace.h>
	41	#include <asm/byteorder.h>
	42
	43	#ifndef ELF_GREG_T
	44	#define ELF_GREG_T
	45	typedef unsigned long elf_greg_t;
	46	#endif
	47
	48	#ifndef ELF_NGREG
	49	#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
	50	#endif
	51
	52	#ifndef ELF_GREGSET_T
	53	#define ELF_GREGSET_T
	54	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
	55	#endif
	56
	57	#ifndef ELF_FPREGSET_T
	58	#define ELF_FPREGSET_T
	59
	60	/* TBD */
	61	#define ELF_NFPREG 33 /* includes fsr */
	62	typedef unsigned long elf_fpreg_t;
	63	typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
	64
	65	/* typedef struct user_fpu_struct elf_fpregset_t; */
	66	#endif
	67
	68	/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
	69	* use of this is to invoke "./ld.so someprog" to test out a new version of
	70	* the loader. We need to make sure that it is out of the way of the program
	71	* that it will "exec", and that there is sufficient room for the brk.
	72	*/
	73
	74	#define ELF_ET_DYN_BASE (0x08000000)
	75
02b08045	76	#ifdef __MICROBLAZEEL__
e57a221f MS	77	#define ELF_DATA ELFDATA2LSB
	78	#else
	79	#define ELF_DATA ELFDATA2MSB
	80	#endif
	81
ba9c4f88	82	#define ELF_EXEC_PAGESIZE PAGE_SIZE
e57a221f MS	83
	84
	85	#define ELF_CORE_COPY_REGS(_dest, _regs) \
	86	memcpy((char ) &_dest, (char ) _regs, \
	87	sizeof(struct pt_regs));
	88
	89	/* This yields a mask that user programs can use to figure out what
	90	* instruction set this CPU supports. This could be done in user space,
	91	* but it's not easy, and we've already done it here.
	92	*/
	93	#define ELF_HWCAP (0)
	94
	95	/* This yields a string that ld.so will use to load implementation
	96	* specific libraries for optimization. This is more specific in
	97	* intent than poking at uname or /proc/cpuinfo.
	98
	99	* For the moment, we have only optimizations for the Intel generations,
	100	* but that could change...
	101	*/
	102	#define ELF_PLATFORM (NULL)
	103
	104	/* Added _f parameter. Is this definition correct: TBD */
	105	#define ELF_PLAT_INIT(_r, _f) \
	106	do { \
	107	_r->r1 = _r->r1 = _r->r2 = _r->r3 = \
	108	_r->r4 = _r->r5 = _r->r6 = _r->r7 = \
	109	_r->r8 = _r->r9 = _r->r10 = _r->r11 = \
	110	_r->r12 = _r->r13 = _r->r14 = _r->r15 = \
	111	_r->r16 = _r->r17 = _r->r18 = _r->r19 = \
	112	_r->r20 = _r->r21 = _r->r22 = _r->r23 = \
	113	_r->r24 = _r->r25 = _r->r26 = _r->r27 = \
	114	_r->r28 = _r->r29 = _r->r30 = _r->r31 = \
	115	0; \
	116	} while (0)
	117
	118	#ifdef __KERNEL__
16f3e95b JK	119	#define SET_PERSONALITY(ex) \
16f3e95b JK	120	set_personality(PER_LINUX_32BIT \| (current->personality & (~PER_MASK)))
e57a221f MS	121	#endif
	122
	123	#endif /* __uClinux__ */
	124
c6087fdc	125	#endif /* _ASM_MICROBLAZE_ELF_H */