mirror of https://gitee.com/openkylin/linux.git
132 lines
3.6 KiB
C
132 lines
3.6 KiB
C
#ifndef _ASM_M32R__ELF_H
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#define _ASM_M32R__ELF_H
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/*
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* ELF-specific definitions.
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*
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* Copyright (C) 1999-2004, Renesas Technology Corp.
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* Hirokazu Takata <takata at linux-m32r.org>
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*/
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#include <asm/ptrace.h>
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#include <asm/user.h>
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#include <asm/page.h>
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/* M32R relocation types */
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#define R_M32R_NONE 0
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#define R_M32R_16 1
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#define R_M32R_32 2
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#define R_M32R_24 3
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#define R_M32R_10_PCREL 4
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#define R_M32R_18_PCREL 5
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#define R_M32R_26_PCREL 6
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#define R_M32R_HI16_ULO 7
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#define R_M32R_HI16_SLO 8
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#define R_M32R_LO16 9
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#define R_M32R_SDA16 10
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#define R_M32R_GNU_VTINHERIT 11
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#define R_M32R_GNU_VTENTRY 12
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#define R_M32R_16_RELA 33
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#define R_M32R_32_RELA 34
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#define R_M32R_24_RELA 35
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#define R_M32R_10_PCREL_RELA 36
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#define R_M32R_18_PCREL_RELA 37
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#define R_M32R_26_PCREL_RELA 38
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#define R_M32R_HI16_ULO_RELA 39
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#define R_M32R_HI16_SLO_RELA 40
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#define R_M32R_LO16_RELA 41
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#define R_M32R_SDA16_RELA 42
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#define R_M32R_RELA_GNU_VTINHERIT 43
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#define R_M32R_RELA_GNU_VTENTRY 44
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#define R_M32R_GOT24 48
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#define R_M32R_26_PLTREL 49
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#define R_M32R_COPY 50
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#define R_M32R_GLOB_DAT 51
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#define R_M32R_JMP_SLOT 52
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#define R_M32R_RELATIVE 53
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#define R_M32R_GOTOFF 54
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#define R_M32R_GOTPC24 55
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#define R_M32R_GOT16_HI_ULO 56
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#define R_M32R_GOT16_HI_SLO 57
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#define R_M32R_GOT16_LO 58
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#define R_M32R_GOTPC_HI_ULO 59
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#define R_M32R_GOTPC_HI_SLO 60
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#define R_M32R_GOTPC_LO 61
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#define R_M32R_GOTOFF_HI_ULO 62
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#define R_M32R_GOTOFF_HI_SLO 63
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#define R_M32R_GOTOFF_LO 64
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#define R_M32R_NUM 256
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/*
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* ELF register definitions..
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*/
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#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
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typedef unsigned long elf_greg_t;
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typedef elf_greg_t elf_gregset_t[ELF_NGREG];
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/* We have no FP mumumu. */
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typedef double elf_fpreg_t;
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typedef elf_fpreg_t elf_fpregset_t;
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/*
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* This is used to ensure we don't load something for the wrong architecture.
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*/
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#define elf_check_arch(x) \
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(((x)->e_machine == EM_M32R) || ((x)->e_machine == EM_CYGNUS_M32R))
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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_CLASS ELFCLASS32
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#if defined(__LITTLE_ENDIAN__)
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#define ELF_DATA ELFDATA2LSB
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#elif defined(__BIG_ENDIAN__)
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#define ELF_DATA ELFDATA2MSB
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#else
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#error no endian defined
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#endif
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#define ELF_ARCH EM_M32R
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/* r0 is set by ld.so to a pointer to a function which might be
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* registered using 'atexit'. This provides a mean for the dynamic
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* linker to call DT_FINI functions for shared libraries that have
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* been loaded before the code runs.
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*
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* So that we can use the same startup file with static executables,
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* we start programs with a value of 0 to indicate that there is no
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* such function.
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*/
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#define ELF_PLAT_INIT(_r, load_addr) (_r)->r0 = 0
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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.
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* Typical use of this is to invoke "./ld.so someprog" to test out a
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* new version of the loader. We need to make sure that it is out of
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* the way of the program that it will "exec", and that there is
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* sufficient room for the brk.
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*/
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#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
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/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
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now struct_user_regs, they are different) */
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#define ELF_CORE_COPY_REGS(pr_reg, regs) \
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memcpy((char *)pr_reg, (char *)regs, sizeof (struct pt_regs));
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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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#define ELF_HWCAP (0)
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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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#define ELF_PLATFORM (NULL)
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#endif /* _ASM_M32R__ELF_H */
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