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| 2 | |
| 3 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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| 4 |
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| 5 |
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| 6 | #ifndef __ASM_ARC_ELF_H
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| 7 | #define __ASM_ARC_ELF_H
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| 8 |
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| 9 | #include <linux/types.h>
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| 10 | #include <linux/elf-em.h>
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| 11 | #include <uapi/asm/elf.h>
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| 12 |
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| 13 | #define EM_ARC_INUSE (IS_ENABLED(CONFIG_ISA_ARCOMPACT) ? \
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| 14 | EM_ARCOMPACT : EM_ARCV2)
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| 15 |
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| 16 |
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| 17 | #define R_ARC_32 0x4
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| 18 | #define R_ARC_32_ME 0x1B
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| 19 | #define R_ARC_32_PCREL 0x31
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| 20 |
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| 21 |
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| 22 | #define ELF_ARCH EM_ARC_INUSE
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| 23 | #define ELF_CLASS ELFCLASS32
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| 24 |
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| 25 | #ifdef CONFIG_CPU_BIG_ENDIAN
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| 26 | #define ELF_DATA ELFDATA2MSB
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| 27 | #else
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| 28 | #define ELF_DATA ELFDATA2LSB
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| 29 | #endif
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| 30 |
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| 31 | |
| 32 | * To ensure that
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| 33 | * -we don't load something for the wrong architecture.
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| 34 | * -The userspace is using the correct syscall ABI
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| 35 |
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| 36 | struct elf32_hdr;
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| 37 | extern int elf_check_arch(const struct elf32_hdr *);
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| 38 | #define elf_check_arch elf_check_arch
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| 39 |
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| 40 | #define CORE_DUMP_USE_REGSET
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| 41 |
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| 42 | #define ELF_EXEC_PAGESIZE PAGE_SIZE
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| 43 |
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| 44 | |
| 45 | * This is the location that an ET_DYN program is loaded if exec'ed. Typical
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| 46 | * use of this is to invoke "./ld.so someprog" to test out a new version of
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| 47 | * the loader. We need to make sure that it is out of the way of the program
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| 48 | * that it will "exec", and that there is sufficient room for the brk.
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| 49 |
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| 50 | #define ELF_ET_DYN_BASE (2UL * TASK_SIZE / 3)
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| 51 |
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| 52 | |
| 53 | * When the program starts, a1 contains a pointer to a function to be
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| 54 | * registered with atexit, as per the SVR4 ABI. A value of 0 means we
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| 55 | * have no such handler.
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| 56 |
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| 57 | #define ELF_PLAT_INIT(_r, load_addr) ((_r)->r0 = 0)
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| 58 |
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| 59 | |
| 60 | * This yields a mask that user programs can use to figure out what
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| 61 | * instruction set this cpu supports.
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| 62 |
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| 63 | #define ELF_HWCAP (0)
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| 64 |
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| 65 | |
| 66 | * This yields a string that ld.so will use to load implementation
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| 67 | * specific libraries for optimization. This is more specific in
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| 68 | * intent than poking at uname or /proc/cpuinfo.
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| 69 |
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| 70 | #define ELF_PLATFORM (NULL)
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| 71 |
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| 72 | #endif
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