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Release 4.14 arch/m32r/include/asm/elf.h

/* SPDX-License-Identifier: GPL-2.0 */
#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)

#endif  /* _ASM_M32R__ELF_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Hirokazu Takata30199.01%466.67%
Kyle McMartin20.66%116.67%
Greg Kroah-Hartman10.33%116.67%
Total304100.00%6100.00%
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