[net-next-2.6.git] / arch / m32r / include / asm / elf.h

#ifndef _ASM_M32R__ELF_H
#define _ASM_M32R__ELF_H

/*
 * ELF-specific definitions.
 *
 * Copyright (C) 1999-2004, Renesas Technology Corp.
 *      Hirokazu Takata <takata at linux-m32r.org>
 */

#include <asm/ptrace.h>
#include <asm/user.h>
#include <asm/page.h>

/* M32R relocation types  */
#define	R_M32R_NONE		0
#define	R_M32R_16		1
#define	R_M32R_32		2
#define	R_M32R_24		3
#define	R_M32R_10_PCREL		4
#define	R_M32R_18_PCREL		5
#define	R_M32R_26_PCREL		6
#define	R_M32R_HI16_ULO		7
#define	R_M32R_HI16_SLO		8
#define	R_M32R_LO16		9
#define	R_M32R_SDA16		10
#define	R_M32R_GNU_VTINHERIT	11
#define	R_M32R_GNU_VTENTRY	12

#define R_M32R_16_RELA		33
#define R_M32R_32_RELA		34
#define R_M32R_24_RELA		35
#define R_M32R_10_PCREL_RELA	36
#define R_M32R_18_PCREL_RELA	37
#define R_M32R_26_PCREL_RELA	38
#define R_M32R_HI16_ULO_RELA	39
#define R_M32R_HI16_SLO_RELA	40
#define R_M32R_LO16_RELA	41
#define R_M32R_SDA16_RELA	42
#define	R_M32R_RELA_GNU_VTINHERIT	43
#define	R_M32R_RELA_GNU_VTENTRY	44

#define R_M32R_GOT24		48
#define R_M32R_26_PLTREL	49
#define R_M32R_COPY		50
#define R_M32R_GLOB_DAT		51
#define R_M32R_JMP_SLOT		52
#define R_M32R_RELATIVE		53
#define R_M32R_GOTOFF		54
#define R_M32R_GOTPC24		55
#define R_M32R_GOT16_HI_ULO	56
#define R_M32R_GOT16_HI_SLO	57
#define R_M32R_GOT16_LO		58
#define R_M32R_GOTPC_HI_ULO	59
#define R_M32R_GOTPC_HI_SLO	60
#define R_M32R_GOTPC_LO		61
#define R_M32R_GOTOFF_HI_ULO	62
#define R_M32R_GOTOFF_HI_SLO	63
#define R_M32R_GOTOFF_LO	64

#define R_M32R_NUM		256

/*
 * ELF register definitions..
 */
#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))

typedef unsigned long elf_greg_t;
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

/* We have no FP mumumu.  */
typedef double elf_fpreg_t;
typedef elf_fpreg_t elf_fpregset_t;

/*
 * This is used to ensure we don't load something for the wrong architecture.
 */
#define elf_check_arch(x) \
	(((x)->e_machine == EM_M32R) || ((x)->e_machine == EM_CYGNUS_M32R))

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS32
#if defined(__LITTLE_ENDIAN__)
#define ELF_DATA	ELFDATA2LSB
#elif defined(__BIG_ENDIAN__)
#define ELF_DATA	ELFDATA2MSB
#else
#error no endian defined
#endif
#define ELF_ARCH	EM_M32R

/* r0 is set by ld.so to a pointer to a function which might be
 * registered using 'atexit'.  This provides a mean for the dynamic
 * linker to call DT_FINI functions for shared libraries that have
 * been loaded before the code runs.
 *
 * So that we can use the same startup file with static executables,
 * we start programs with a value of 0 to indicate that there is no
 * such function.
 */
#define ELF_PLAT_INIT(_r, load_addr)	(_r)->r0 = 0

#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         (TASK_SIZE / 3 * 2)

/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
   now struct_user_regs, they are different) */

#define ELF_CORE_COPY_REGS(pr_reg, regs)  \
	memcpy((char *)pr_reg, (char *)regs, sizeof (struct pt_regs));

/* 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)

#define SET_PERSONALITY(ex) set_personality(PER_LINUX)

#endif  /* _ASM_M32R__ELF_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_M32R__ELF_H
	2	#define _ASM_M32R__ELF_H
	3
	4	/*
	5	* ELF-specific definitions.
	6	*
	7	* Copyright (C) 1999-2004, Renesas Technology Corp.
	8	* Hirokazu Takata <takata at linux-m32r.org>
	9	*/
	10
	11	#include <asm/ptrace.h>
	12	#include <asm/user.h>
	13	#include <asm/page.h>
	14
	15	/* M32R relocation types */
	16	#define R_M32R_NONE 0
	17	#define R_M32R_16 1
	18	#define R_M32R_32 2
	19	#define R_M32R_24 3
	20	#define R_M32R_10_PCREL 4
	21	#define R_M32R_18_PCREL 5
	22	#define R_M32R_26_PCREL 6
	23	#define R_M32R_HI16_ULO 7
	24	#define R_M32R_HI16_SLO 8
	25	#define R_M32R_LO16 9
	26	#define R_M32R_SDA16 10
	27	#define R_M32R_GNU_VTINHERIT 11
	28	#define R_M32R_GNU_VTENTRY 12
	29
	30	#define R_M32R_16_RELA 33
	31	#define R_M32R_32_RELA 34
	32	#define R_M32R_24_RELA 35
	33	#define R_M32R_10_PCREL_RELA 36
	34	#define R_M32R_18_PCREL_RELA 37
	35	#define R_M32R_26_PCREL_RELA 38
	36	#define R_M32R_HI16_ULO_RELA 39
	37	#define R_M32R_HI16_SLO_RELA 40
	38	#define R_M32R_LO16_RELA 41
	39	#define R_M32R_SDA16_RELA 42
	40	#define R_M32R_RELA_GNU_VTINHERIT 43
	41	#define R_M32R_RELA_GNU_VTENTRY 44
	42
	43	#define R_M32R_GOT24 48
	44	#define R_M32R_26_PLTREL 49
	45	#define R_M32R_COPY 50
	46	#define R_M32R_GLOB_DAT 51
	47	#define R_M32R_JMP_SLOT 52
	48	#define R_M32R_RELATIVE 53
	49	#define R_M32R_GOTOFF 54
	50	#define R_M32R_GOTPC24 55
	51	#define R_M32R_GOT16_HI_ULO 56
	52	#define R_M32R_GOT16_HI_SLO 57
	53	#define R_M32R_GOT16_LO 58
	54	#define R_M32R_GOTPC_HI_ULO 59
	55	#define R_M32R_GOTPC_HI_SLO 60
	56	#define R_M32R_GOTPC_LO 61
	57	#define R_M32R_GOTOFF_HI_ULO 62
	58	#define R_M32R_GOTOFF_HI_SLO 63
	59	#define R_M32R_GOTOFF_LO 64
	60
	61	#define R_M32R_NUM 256
	62
	63	/*
	64	* ELF register definitions..
65	*/
66	#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
67
68	typedef unsigned long elf_greg_t;
69	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
70
71	/* We have no FP mumumu. */
72	typedef double elf_fpreg_t;
73	typedef elf_fpreg_t elf_fpregset_t;
74
75	/*
76	* This is used to ensure we don't load something for the wrong architecture.
77	*/
78	#define elf_check_arch(x) \
79	(((x)->e_machine == EM_M32R) \|\| ((x)->e_machine == EM_CYGNUS_M32R))
80
81	/*
82	* These are used to set parameters in the core dumps.
83	*/
84	#define ELF_CLASS ELFCLASS32
2d019713	85	#if defined(__LITTLE_ENDIAN__)
1da177e4	86	#define ELF_DATA ELFDATA2LSB
2d019713	87	#elif defined(__BIG_ENDIAN__)
1da177e4 LT	88	#define ELF_DATA ELFDATA2MSB
	89	#else
	90	#error no endian defined
	91	#endif
	92	#define ELF_ARCH EM_M32R
	93
	94	/* r0 is set by ld.so to a pointer to a function which might be
	95	* registered using 'atexit'. This provides a mean for the dynamic
	96	* linker to call DT_FINI functions for shared libraries that have
	97	* been loaded before the code runs.
	98	*
	99	* So that we can use the same startup file with static executables,
	100	* we start programs with a value of 0 to indicate that there is no
	101	* such function.
	102	*/
	103	#define ELF_PLAT_INIT(_r, load_addr) (_r)->r0 = 0
	104
1da177e4 LT	105	#define ELF_EXEC_PAGESIZE PAGE_SIZE
	106
	107	/*
	108	* This is the location that an ET_DYN program is loaded if exec'ed.
	109	* Typical use of this is to invoke "./ld.so someprog" to test out a
	110	* new version of the loader. We need to make sure that it is out of
	111	* the way of the program that it will "exec", and that there is
	112	* sufficient room for the brk.
	113	*/
	114	#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
	115
	116	/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
	117	now struct_user_regs, they are different) */
	118
	119	#define ELF_CORE_COPY_REGS(pr_reg, regs) \
	120	memcpy((char )pr_reg, (char )regs, sizeof (struct pt_regs));
	121
	122	/* This yields a mask that user programs can use to figure out what
	123	instruction set this CPU supports. */
	124	#define ELF_HWCAP (0)
	125
	126	/* This yields a string that ld.so will use to load implementation
	127	specific libraries for optimization. This is more specific in
	128	intent than poking at uname or /proc/cpuinfo. */
	129	#define ELF_PLATFORM (NULL)
	130
0b592682	131	#define SET_PERSONALITY(ex) set_personality(PER_LINUX)
1da177e4 LT	132
1da177e4 LT	133	#endif /* _ASM_M32R__ELF_H */