[mirror_ubuntu-eoan-kernel.git] / arch / sparc / include / asm / elf_32.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASMSPARC_ELF_H
#define __ASMSPARC_ELF_H

/*
 * ELF register definitions..
 */

#include <asm/ptrace.h>

/*
 * Sparc section types
 */
#define STT_REGISTER		13

/*
 * Sparc ELF relocation types
 */
#define	R_SPARC_NONE		0
#define	R_SPARC_8		1
#define	R_SPARC_16		2
#define	R_SPARC_32		3
#define	R_SPARC_DISP8		4
#define	R_SPARC_DISP16		5
#define	R_SPARC_DISP32		6
#define	R_SPARC_WDISP30		7
#define	R_SPARC_WDISP22		8
#define	R_SPARC_HI22		9
#define	R_SPARC_22		10
#define	R_SPARC_13		11
#define	R_SPARC_LO10		12
#define	R_SPARC_GOT10		13
#define	R_SPARC_GOT13		14
#define	R_SPARC_GOT22		15
#define	R_SPARC_PC10		16
#define	R_SPARC_PC22		17
#define	R_SPARC_WPLT30		18
#define	R_SPARC_COPY		19
#define	R_SPARC_GLOB_DAT	20
#define	R_SPARC_JMP_SLOT	21
#define	R_SPARC_RELATIVE	22
#define	R_SPARC_UA32		23
#define R_SPARC_PLT32		24
#define R_SPARC_HIPLT22		25
#define R_SPARC_LOPLT10		26
#define R_SPARC_PCPLT32		27
#define R_SPARC_PCPLT22		28
#define R_SPARC_PCPLT10		29
#define R_SPARC_10		30
#define R_SPARC_11		31
#define R_SPARC_64		32
#define R_SPARC_OLO10		33
#define R_SPARC_WDISP16		40
#define R_SPARC_WDISP19		41
#define R_SPARC_7		43
#define R_SPARC_5		44
#define R_SPARC_6		45

/* Bits present in AT_HWCAP, primarily for Sparc32.  */

#define HWCAP_SPARC_FLUSH       1    /* CPU supports flush instruction. */
#define HWCAP_SPARC_STBAR       2
#define HWCAP_SPARC_SWAP        4
#define HWCAP_SPARC_MULDIV      8
#define HWCAP_SPARC_V9		16
#define HWCAP_SPARC_ULTRA3	32

#define CORE_DUMP_USE_REGSET

/* Format is:
 * 	G0 --> G7
 *	O0 --> O7
 *	L0 --> L7
 *	I0 --> I7
 *	PSR, PC, nPC, Y, WIM, TBR
 */
typedef unsigned long elf_greg_t;
#define ELF_NGREG 38
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef struct {
	union {
		unsigned long	pr_regs[32];
		double		pr_dregs[16];
	} pr_fr;
	unsigned long __unused;
	unsigned long	pr_fsr;
	unsigned char	pr_qcnt;
	unsigned char	pr_q_entrysize;
	unsigned char	pr_en;
	unsigned int	pr_q[64];
} elf_fpregset_t;

#include <asm/mbus.h>

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

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_ARCH	EM_SPARC
#define ELF_CLASS	ELFCLASS32
#define ELF_DATA	ELFDATA2MSB

#define ELF_EXEC_PAGESIZE	4096


/* 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_UNMAPPED_BASE)

/* This yields a mask that user programs can use to figure out what
   instruction set this cpu supports.  This can NOT be done in userspace
   on Sparc.  */

/* Most sun4m's have them all.  */
#define ELF_HWCAP	(HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
			 HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV)

/* 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 /* !(__ASMSPARC_ELF_H) */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
f5e706ad SR	2	#ifndef __ASMSPARC_ELF_H
	3	#define __ASMSPARC_ELF_H
	4
	5	/*
	6	* ELF register definitions..
	7	*/
	8
	9	#include <asm/ptrace.h>
	10
	11	/*
	12	* Sparc section types
	13	*/
	14	#define STT_REGISTER 13
	15
	16	/*
	17	* Sparc ELF relocation types
	18	*/
	19	#define R_SPARC_NONE 0
	20	#define R_SPARC_8 1
	21	#define R_SPARC_16 2
	22	#define R_SPARC_32 3
	23	#define R_SPARC_DISP8 4
	24	#define R_SPARC_DISP16 5
	25	#define R_SPARC_DISP32 6
	26	#define R_SPARC_WDISP30 7
	27	#define R_SPARC_WDISP22 8
	28	#define R_SPARC_HI22 9
	29	#define R_SPARC_22 10
	30	#define R_SPARC_13 11
	31	#define R_SPARC_LO10 12
	32	#define R_SPARC_GOT10 13
	33	#define R_SPARC_GOT13 14
	34	#define R_SPARC_GOT22 15
	35	#define R_SPARC_PC10 16
	36	#define R_SPARC_PC22 17
	37	#define R_SPARC_WPLT30 18
	38	#define R_SPARC_COPY 19
	39	#define R_SPARC_GLOB_DAT 20
	40	#define R_SPARC_JMP_SLOT 21
	41	#define R_SPARC_RELATIVE 22
	42	#define R_SPARC_UA32 23
	43	#define R_SPARC_PLT32 24
	44	#define R_SPARC_HIPLT22 25
	45	#define R_SPARC_LOPLT10 26
	46	#define R_SPARC_PCPLT32 27
	47	#define R_SPARC_PCPLT22 28
	48	#define R_SPARC_PCPLT10 29
	49	#define R_SPARC_10 30
	50	#define R_SPARC_11 31
	51	#define R_SPARC_64 32
	52	#define R_SPARC_OLO10 33
	53	#define R_SPARC_WDISP16 40
	54	#define R_SPARC_WDISP19 41
	55	#define R_SPARC_7 43
	56	#define R_SPARC_5 44
	57	#define R_SPARC_6 45
	58
	59	/* Bits present in AT_HWCAP, primarily for Sparc32. */
	60
	61	#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
	62	#define HWCAP_SPARC_STBAR 2
	63	#define HWCAP_SPARC_SWAP 4
	64	#define HWCAP_SPARC_MULDIV 8
	65	#define HWCAP_SPARC_V9 16
66	#define HWCAP_SPARC_ULTRA3 32
67
68	#define CORE_DUMP_USE_REGSET
69
70	/* Format is:
71	* G0 --> G7
72	* O0 --> O7
73	* L0 --> L7
74	* I0 --> I7
75	* PSR, PC, nPC, Y, WIM, TBR
76	*/
77	typedef unsigned long elf_greg_t;
78	#define ELF_NGREG 38
79	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
80
81	typedef struct {
82	union {
83	unsigned long pr_regs[32];
84	double pr_dregs[16];
85	} pr_fr;
86	unsigned long __unused;
87	unsigned long pr_fsr;
88	unsigned char pr_qcnt;
89	unsigned char pr_q_entrysize;
90	unsigned char pr_en;
91	unsigned int pr_q[64];
92	} elf_fpregset_t;
93
94	#include <asm/mbus.h>
95
96	/*
97	* This is used to ensure we don't load something for the wrong architecture.
98	*/
99	#define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
100
101	/*
102	* These are used to set parameters in the core dumps.
103	*/
104	#define ELF_ARCH EM_SPARC
105	#define ELF_CLASS ELFCLASS32
106	#define ELF_DATA ELFDATA2MSB
107
f5e706ad	108	#define ELF_EXEC_PAGESIZE 4096
f5e706ad SR	109
	110
	111	/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
	112	use of this is to invoke "./ld.so someprog" to test out a new version of
	113	the loader. We need to make sure that it is out of the way of the program
	114	that it will "exec", and that there is sufficient room for the brk. */
	115
	116	#define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE)
	117
	118	/* This yields a mask that user programs can use to figure out what
	119	instruction set this cpu supports. This can NOT be done in userspace
	120	on Sparc. */
	121
c7020eb4 DM	122	/* Most sun4m's have them all. */
	123	#define ELF_HWCAP (HWCAP_SPARC_FLUSH \| HWCAP_SPARC_STBAR \| \
	124	HWCAP_SPARC_SWAP \| HWCAP_SPARC_MULDIV)
f5e706ad SR	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
	130	#define ELF_PLATFORM (NULL)
	131
f5e706ad	132	#endif /* !(__ASMSPARC_ELF_H) */