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/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARC_ELF_H
#define __ASM_ARC_ELF_H
#include <asm/ptrace.h>
#define EM_ARCOMPACT 93
/* Machine specific ELF Hdr flags */
#define EF_ARC_OSABI_MSK 0x00000f00
#define EF_ARC_OSABI_ORIG 0x00000000 /* MUST be zero for back-compat */
#define EF_ARC_OSABI_V2 0x00000200
/* ARC Relocations (kernel Modules only) */
#define R_ARC_32 0x4
#define R_ARC_32_ME 0x1B
#define R_ARC_S25H_PCREL 0x10
#define R_ARC_S25W_PCREL 0x11
typedef unsigned long elf_greg_t;
typedef unsigned long elf_fpregset_t;
#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];
/*
* To ensure that
* -we don't load something for the wrong architecture.
* -The userspace is using the correct syscall ABI
*/
struct elf32_hdr;
extern int elf_check_arch(const struct elf32_hdr *);
#define elf_check_arch elf_check_arch
/*
* These are used to set parameters in the core dumps.
*/
#define ELF_ARCH EM_ARCOMPACT
#define ELF_CLASS ELFCLASS32
#ifdef CONFIG_CPU_BIG_ENDIAN
#define ELF_DATA ELFDATA2MSB
#else
#define ELF_DATA ELFDATA2LSB
#endif
#ifdef __KERNEL__
#define CORE_DUMP_USE_REGSET
#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)
/*
* When the program starts, a1 contains a pointer to a function to be
* registered with atexit, as per the SVR4 ABI. A value of 0 means we
* have no such handler.
*/
#define ELF_PLAT_INIT(_r, load_addr) ((_r)->r0 = 0)
/*
* 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 | (current->personality & (~PER_MASK)))
#endif /* __KERNEL__ */
#endif
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