ARC: Fundamental ARCH data-types/defines
* L1_CACHE_SHIFT
* PAGE_SIZE, PAGE_OFFSET
* struct pt_regs, struct user_regs_struct
* struct thread_struct, cpu_relax(), task_pt_regs(), start_thread(), ...
* struct thread_info, THREAD_SIZE, INIT_THREAD_INFO(), TIF_*, ...
* BUG()
* ELF_*
* Elf_*
To disallow user-space visibility into some of the core kernel data-types
such as struct pt_regs, #ifdef __KERNEL__ which also makes the UAPI header
spit (further patch in the series) to NOT export it to asm/uapi/ptrace.h
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jonas Bonn <jonas.bonn@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-18 02:42:17 -07:00
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/*
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* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARC_ELF_H
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#define __ASM_ARC_ELF_H
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#include <asm/ptrace.h>
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#define EM_ARCOMPACT 93
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/* Machine specific ELF Hdr flags */
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#define EF_ARC_OSABI_MSK 0x00000f00
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#define EF_ARC_OSABI_ORIG 0x00000000 /* MUST be zero for back-compat */
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2013-02-27 05:53:27 -07:00
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#define EF_ARC_OSABI_CURRENT 0x00000300 /* v3 (no legacy syscalls) */
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ARC: Fundamental ARCH data-types/defines
* L1_CACHE_SHIFT
* PAGE_SIZE, PAGE_OFFSET
* struct pt_regs, struct user_regs_struct
* struct thread_struct, cpu_relax(), task_pt_regs(), start_thread(), ...
* struct thread_info, THREAD_SIZE, INIT_THREAD_INFO(), TIF_*, ...
* BUG()
* ELF_*
* Elf_*
To disallow user-space visibility into some of the core kernel data-types
such as struct pt_regs, #ifdef __KERNEL__ which also makes the UAPI header
spit (further patch in the series) to NOT export it to asm/uapi/ptrace.h
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jonas Bonn <jonas.bonn@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-18 02:42:17 -07:00
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/* ARC Relocations (kernel Modules only) */
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#define R_ARC_32 0x4
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#define R_ARC_32_ME 0x1B
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#define R_ARC_S25H_PCREL 0x10
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#define R_ARC_S25W_PCREL 0x11
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typedef unsigned long elf_greg_t;
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typedef unsigned long elf_fpregset_t;
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2013-02-27 03:34:07 -07:00
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#define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
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ARC: Fundamental ARCH data-types/defines
* L1_CACHE_SHIFT
* PAGE_SIZE, PAGE_OFFSET
* struct pt_regs, struct user_regs_struct
* struct thread_struct, cpu_relax(), task_pt_regs(), start_thread(), ...
* struct thread_info, THREAD_SIZE, INIT_THREAD_INFO(), TIF_*, ...
* BUG()
* ELF_*
* Elf_*
To disallow user-space visibility into some of the core kernel data-types
such as struct pt_regs, #ifdef __KERNEL__ which also makes the UAPI header
spit (further patch in the series) to NOT export it to asm/uapi/ptrace.h
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Jonas Bonn <jonas.bonn@gmail.com>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2013-01-18 02:42:17 -07:00
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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/*
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* To ensure that
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* -we don't load something for the wrong architecture.
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* -The userspace is using the correct syscall ABI
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*/
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struct elf32_hdr;
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extern int elf_check_arch(const struct elf32_hdr *);
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#define elf_check_arch elf_check_arch
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/*
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* These are used to set parameters in the core dumps.
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*/
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#define ELF_ARCH EM_ARCOMPACT
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#define ELF_CLASS ELFCLASS32
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#ifdef CONFIG_CPU_BIG_ENDIAN
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#define ELF_DATA ELFDATA2MSB
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#else
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#define ELF_DATA ELFDATA2LSB
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#endif
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#ifdef __KERNEL__
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#define CORE_DUMP_USE_REGSET
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#define ELF_EXEC_PAGESIZE PAGE_SIZE
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/*
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* This is the location that an ET_DYN program is loaded if exec'ed. Typical
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* use of this is to invoke "./ld.so someprog" to test out a new version of
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* the loader. We need to make sure that it is out of the way of the program
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* that it will "exec", and that there is sufficient room for the brk.
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*/
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#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3)
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/*
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* When the program starts, a1 contains a pointer to a function to be
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* registered with atexit, as per the SVR4 ABI. A value of 0 means we
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* have no such handler.
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*/
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#define ELF_PLAT_INIT(_r, load_addr) ((_r)->r0 = 0)
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/*
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* This yields a mask that user programs can use to figure out what
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* instruction set this cpu supports.
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*/
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#define ELF_HWCAP (0)
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/*
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* This yields a string that ld.so will use to load implementation
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* specific libraries for optimization. This is more specific in
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* intent than poking at uname or /proc/cpuinfo.
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*/
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#define ELF_PLATFORM (NULL)
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#define SET_PERSONALITY(ex) \
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set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
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#endif /* __KERNEL__ */
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#endif
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