[mirror_ubuntu-bionic-kernel.git] / include / asm-sh / elf.h

#ifndef __ASM_SH_ELF_H
#define __ASM_SH_ELF_H

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

/* SH relocation types  */
#define	R_SH_NONE		0
#define	R_SH_DIR32		1
#define	R_SH_REL32		2
#define	R_SH_DIR8WPN		3
#define	R_SH_IND12W		4
#define	R_SH_DIR8WPL		5
#define	R_SH_DIR8WPZ		6
#define	R_SH_DIR8BP		7
#define	R_SH_DIR8W		8
#define	R_SH_DIR8L		9
#define	R_SH_SWITCH16		25
#define	R_SH_SWITCH32		26
#define	R_SH_USES		27
#define	R_SH_COUNT		28
#define	R_SH_ALIGN		29
#define	R_SH_CODE		30
#define	R_SH_DATA		31
#define	R_SH_LABEL		32
#define	R_SH_SWITCH8		33
#define	R_SH_GNU_VTINHERIT	34
#define	R_SH_GNU_VTENTRY	35
#define	R_SH_TLS_GD_32		144
#define	R_SH_TLS_LD_32		145
#define	R_SH_TLS_LDO_32		146
#define	R_SH_TLS_IE_32		147
#define	R_SH_TLS_LE_32		148
#define	R_SH_TLS_DTPMOD32	149
#define	R_SH_TLS_DTPOFF32	150
#define	R_SH_TLS_TPOFF32	151
#define	R_SH_GOT32		160
#define	R_SH_PLT32		161
#define	R_SH_COPY		162
#define	R_SH_GLOB_DAT		163
#define	R_SH_JMP_SLOT		164
#define	R_SH_RELATIVE		165
#define	R_SH_GOTOFF		166
#define	R_SH_GOTPC		167
/* Keep this the last entry.  */
#define	R_SH_NUM		256

/*
 * ELF register definitions..
 */

typedef unsigned long elf_greg_t;

#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

typedef struct user_fpu_struct 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_SH )

/*
 * These are used to set parameters in the core dumps.
 */
#define ELF_CLASS	ELFCLASS32
#ifdef __LITTLE_ENDIAN__
#define ELF_DATA	ELFDATA2LSB
#else
#define ELF_DATA	ELFDATA2MSB
#endif
#define ELF_ARCH	EM_SH

#define USE_ELF_CORE_DUMP
#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)


#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	(boot_cpu_data.flags)

/* 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)

#define ELF_PLAT_INIT(_r, load_addr) \
  do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
       _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
       _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
       _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
       _r->sr = SR_FD; } while (0)

#ifdef __KERNEL__
#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
struct task_struct;
extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);

#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
#endif

#ifdef CONFIG_VSYSCALL
/* vDSO has arch_setup_additional_pages */
#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
struct linux_binprm;
extern int arch_setup_additional_pages(struct linux_binprm *bprm,
				       int executable_stack);

extern unsigned int vdso_enabled;
extern void __kernel_vsyscall;

#define VDSO_BASE		((unsigned long)current->mm->context.vdso)
#define VDSO_SYM(x)		(VDSO_BASE + (unsigned long)(x))

#define ARCH_DLINFO						\
do {								\
	if (vdso_enabled)					\
		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);	\
} while (0)
#endif /* CONFIG_VSYSCALL */

#endif /* __ASM_SH_ELF_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SH_ELF_H
	2	#define __ASM_SH_ELF_H
	3
315bb968 PM	4	#include <asm/auxvec.h>
	5	#include <asm/ptrace.h>
	6	#include <asm/user.h>
	7
1da177e4 LT	8	/* SH relocation types */
	9	#define R_SH_NONE 0
	10	#define R_SH_DIR32 1
	11	#define R_SH_REL32 2
	12	#define R_SH_DIR8WPN 3
	13	#define R_SH_IND12W 4
	14	#define R_SH_DIR8WPL 5
	15	#define R_SH_DIR8WPZ 6
	16	#define R_SH_DIR8BP 7
	17	#define R_SH_DIR8W 8
	18	#define R_SH_DIR8L 9
	19	#define R_SH_SWITCH16 25
	20	#define R_SH_SWITCH32 26
	21	#define R_SH_USES 27
	22	#define R_SH_COUNT 28
	23	#define R_SH_ALIGN 29
	24	#define R_SH_CODE 30
	25	#define R_SH_DATA 31
	26	#define R_SH_LABEL 32
	27	#define R_SH_SWITCH8 33
	28	#define R_SH_GNU_VTINHERIT 34
	29	#define R_SH_GNU_VTENTRY 35
	30	#define R_SH_TLS_GD_32 144
	31	#define R_SH_TLS_LD_32 145
	32	#define R_SH_TLS_LDO_32 146
	33	#define R_SH_TLS_IE_32 147
	34	#define R_SH_TLS_LE_32 148
	35	#define R_SH_TLS_DTPMOD32 149
	36	#define R_SH_TLS_DTPOFF32 150
	37	#define R_SH_TLS_TPOFF32 151
	38	#define R_SH_GOT32 160
	39	#define R_SH_PLT32 161
	40	#define R_SH_COPY 162
	41	#define R_SH_GLOB_DAT 163
	42	#define R_SH_JMP_SLOT 164
	43	#define R_SH_RELATIVE 165
	44	#define R_SH_GOTOFF 166
	45	#define R_SH_GOTPC 167
	46	/* Keep this the last entry. */
	47	#define R_SH_NUM 256
	48
	49	/*
	50	* ELF register definitions..
	51	*/
	52
1da177e4 LT	53	typedef unsigned long elf_greg_t;
	54
	55	#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
	56	typedef elf_greg_t elf_gregset_t[ELF_NGREG];
	57
	58	typedef struct user_fpu_struct elf_fpregset_t;
	59
	60	/*
	61	* This is used to ensure we don't load something for the wrong architecture.
	62	*/
	63	#define elf_check_arch(x) ( (x)->e_machine == EM_SH )
	64
	65	/*
	66	* These are used to set parameters in the core dumps.
	67	*/
	68	#define ELF_CLASS ELFCLASS32
	69	#ifdef __LITTLE_ENDIAN__
	70	#define ELF_DATA ELFDATA2LSB
	71	#else
	72	#define ELF_DATA ELFDATA2MSB
	73	#endif
	74	#define ELF_ARCH EM_SH
	75
	76	#define USE_ELF_CORE_DUMP
21440cf0	77	#define ELF_EXEC_PAGESIZE PAGE_SIZE
1da177e4 LT	78
	79	/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
	80	use of this is to invoke "./ld.so someprog" to test out a new version of
	81	the loader. We need to make sure that it is out of the way of the program
	82	that it will "exec", and that there is sufficient room for the brk. */
	83
	84	#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
	85
	86
	87	#define ELF_CORE_COPY_REGS(_dest,_regs) \
	88	memcpy((char ) &_dest, (char ) _regs, \
	89	sizeof(struct pt_regs));
	90
	91	/* This yields a mask that user programs can use to figure out what
	92	instruction set this CPU supports. This could be done in user space,
	93	but it's not easy, and we've already done it here. */
	94
315bb968	95	#define ELF_HWCAP (boot_cpu_data.flags)
1da177e4 LT	96
	97	/* This yields a string that ld.so will use to load implementation
	98	specific libraries for optimization. This is more specific in
	99	intent than poking at uname or /proc/cpuinfo.
	100
	101	For the moment, we have only optimizations for the Intel generations,
	102	but that could change... */
	103
	104	#define ELF_PLATFORM (NULL)
	105
	106	#define ELF_PLAT_INIT(_r, load_addr) \
	107	do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
	108	_r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
	109	_r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
	110	_r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
	111	_r->sr = SR_FD; } while (0)
	112
	113	#ifdef __KERNEL__
	114	#define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
8c65b4a6	115	struct task_struct;
1da177e4 LT	116	extern int dump_task_regs (struct task_struct , elf_gregset_t );
	117	extern int dump_task_fpu (struct task_struct , elf_fpregset_t );
	118
	119	#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
	120	#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
	121	#endif
	122
19f9a34f PM	123	#ifdef CONFIG_VSYSCALL
	124	/* vDSO has arch_setup_additional_pages */
	125	#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
	126	struct linux_binprm;
	127	extern int arch_setup_additional_pages(struct linux_binprm *bprm,
	128	int executable_stack);
	129
	130	extern unsigned int vdso_enabled;
	131	extern void __kernel_vsyscall;
	132
	133	#define VDSO_BASE ((unsigned long)current->mm->context.vdso)
	134	#define VDSO_SYM(x) (VDSO_BASE + (unsigned long)(x))
	135
	136	#define ARCH_DLINFO \
	137	do { \
	138	if (vdso_enabled) \
	139	NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \
	140	} while (0)
	141	#endif /* CONFIG_VSYSCALL */
	142
1da177e4	143	#endif /* __ASM_SH_ELF_H */