include/asm-m32r/elf.h

   1 #ifndef _ASM_M32R__ELF_H
   2 #define _ASM_M32R__ELF_H
   3
   4 /*
   5  * ELF-specific definitions.
   6  *
   7  * Copyright (C) 1999-2004, Renesas Technology Corp.
   8  *      Hirokazu Takata <takata at linux-m32r.org>
   9  */
  10
  11 #include <asm/ptrace.h>
  12 #include <asm/user.h>
  13 #include <asm/page.h>
  14
  15 /* M32R relocation types  */
  16 #define R_M32R_NONE             0
  17 #define R_M32R_16               1
  18 #define R_M32R_32               2
  19 #define R_M32R_24               3
  20 #define R_M32R_10_PCREL         4
  21 #define R_M32R_18_PCREL         5
  22 #define R_M32R_26_PCREL         6
  23 #define R_M32R_HI16_ULO         7
  24 #define R_M32R_HI16_SLO         8
  25 #define R_M32R_LO16             9
  26 #define R_M32R_SDA16            10
  27 #ifdef OLD_TYPE
  28 #define R_M32R_GOT24            11
  29 #define R_M32R_26_PLTREL        12
  30 #define R_M32R_GOT16_HI_ULO     13
  31 #define R_M32R_GOT16_HI_SLO     14
  32 #define R_M32R_GOT16_LO         15
  33 #define R_M32R_GOTPC24          16
  34 #define R_M32R_COPY             17
  35 #define R_M32R_GLOB_DAT         18
  36 #define R_M32R_JMP_SLOT         19
  37 #define R_M32R_RELATIVE         20
  38 #define R_M32R_GNU_VTINHERIT    21
  39 #define R_M32R_GNU_VTENTRY      22
  40
  41 #define R_M32R_16_RELA          R_M32R_16
  42 #define R_M32R_32_RELA          R_M32R_32
  43 #define R_M32R_24_RELA          R_M32R_24
  44 #define R_M32R_10_PCREL_RELA    R_M32R_10_PCREL
  45 #define R_M32R_18_PCREL_RELA    R_M32R_18_PCREL
  46 #define R_M32R_26_PCREL_RELA    R_M32R_26_PCREL
  47 #define R_M32R_HI16_ULO_RELA    R_M32R_HI16_ULO
  48 #define R_M32R_HI16_SLO_RELA    R_M32R_HI16_SLO
  49 #define R_M32R_LO16_RELA        R_M32R_LO16
  50 #define R_M32R_SDA16_RELA       R_M32R_SDA16
  51 #else /* not OLD_TYPE */
  52 #define R_M32R_GNU_VTINHERIT    11
  53 #define R_M32R_GNU_VTENTRY      12
  54
  55 #define R_M32R_GOT24_SAMPLE             11 /* comflict */
  56 #define R_M32R_26_PLTREL_SAMPLE 12 /* comflict */
  57 #define R_M32R_GOT16_HI_ULO_SAMPLE      13
  58 #define R_M32R_GOT16_HI_SLO_SAMPLE      14
  59 #define R_M32R_GOT16_LO_SAMPLE          15
  60 #define R_M32R_GOTPC24_SAMPLE           16
  61 #define R_M32R_COPY_SAMPLE              17
  62 #define R_M32R_GLOB_DAT_SAMPLE          18
  63 #define R_M32R_JMP_SLOT_SAMPLE          19
  64 #define R_M32R_RELATIVE_SAMPLE          20
  65 #define R_M32R_GNU_VTINHERIT_SAMPLE     21
  66 #define R_M32R_GNU_VTENTRY_SAMPLE       22
  67
  68 #define R_M32R_16_RELA          33
  69 #define R_M32R_32_RELA          34
  70 #define R_M32R_24_RELA          35
  71 #define R_M32R_10_PCREL_RELA    36
  72 #define R_M32R_18_PCREL_RELA    37
  73 #define R_M32R_26_PCREL_RELA    38
  74 #define R_M32R_HI16_ULO_RELA    39
  75 #define R_M32R_HI16_SLO_RELA    40
  76 #define R_M32R_LO16_RELA        41
  77 #define R_M32R_SDA16_RELA       42
  78 #define R_M32R_RELA_GNU_VTINHERIT       43
  79 #define R_M32R_RELA_GNU_VTENTRY 44
  80
  81 #define R_M32R_GOT24            48
  82 #define R_M32R_26_PLTREL        49
  83 #define R_M32R_COPY             50
  84 #define R_M32R_GLOB_DAT         51
  85 #define R_M32R_JMP_SLOT         52
  86 #define R_M32R_RELATIVE         53
  87 #define R_M32R_GOTOFF           54
  88 #define R_M32R_GOTPC24          55
  89 #define R_M32R_GOT16_HI_ULO     56
  90 #define R_M32R_GOT16_HI_SLO     57
  91 #define R_M32R_GOT16_LO         58
  92 #define R_M32R_GOTPC_HI_ULO     59
  93 #define R_M32R_GOTPC_HI_SLO     60
  94 #define R_M32R_GOTPC_LO         61
  95 #endif /* not OLD_TYPE */
  96
  97 #define R_M32R_NUM              256
  98
  99 /*
 100  * ELF register definitions..
 101  */
 102 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
 103
 104 typedef unsigned long elf_greg_t;
 105 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 106
 107 /* We have no FP mumumu.  */
 108 typedef double elf_fpreg_t;
 109 typedef elf_fpreg_t elf_fpregset_t;
 110
 111 /*
 112  * This is used to ensure we don't load something for the wrong architecture.
 113  */
 114 #define elf_check_arch(x) \
 115         (((x)->e_machine == EM_M32R) || ((x)->e_machine == EM_CYGNUS_M32R))
 116
 117 /*
 118  * These are used to set parameters in the core dumps.
 119  */
 120 #define ELF_CLASS       ELFCLASS32
 121 #if defined(__LITTLE_ENDIAN)
 122 #define ELF_DATA        ELFDATA2LSB
 123 #elif defined(__BIG_ENDIAN)
 124 #define ELF_DATA        ELFDATA2MSB
 125 #else
 126 #error no endian defined
 127 #endif
 128 #define ELF_ARCH        EM_M32R
 129
 130 /* r0 is set by ld.so to a pointer to a function which might be
 131  * registered using 'atexit'.  This provides a mean for the dynamic
 132  * linker to call DT_FINI functions for shared libraries that have
 133  * been loaded before the code runs.
 134  *
 135  * So that we can use the same startup file with static executables,
 136  * we start programs with a value of 0 to indicate that there is no
 137  * such function.
 138  */
 139 #define ELF_PLAT_INIT(_r, load_addr)    (_r)->r0 = 0
 140
 141 #define USE_ELF_CORE_DUMP
 142 #define ELF_EXEC_PAGESIZE       PAGE_SIZE
 143
 144 /*
 145  * This is the location that an ET_DYN program is loaded if exec'ed.
 146  * Typical use of this is to invoke "./ld.so someprog" to test out a
 147  * new version of the loader.  We need to make sure that it is out of
 148  * the way of the program that it will "exec", and that there is
 149  * sufficient room for the brk.
 150  */
 151 #define ELF_ET_DYN_BASE         (TASK_SIZE / 3 * 2)
 152
 153 /* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
 154    now struct_user_regs, they are different) */
 155
 156 #define ELF_CORE_COPY_REGS(pr_reg, regs)  \
 157         memcpy((char *)&pr_reg, (char *)&regs, sizeof (struct pt_regs));
 158
 159 /* This yields a mask that user programs can use to figure out what
 160    instruction set this CPU supports.  */
 161 #define ELF_HWCAP       (0)
 162
 163 /* This yields a string that ld.so will use to load implementation
 164    specific libraries for optimization.  This is more specific in
 165    intent than poking at uname or /proc/cpuinfo.  */
 166 #define ELF_PLATFORM    (NULL)
 167
 168 #ifdef __KERNEL__
 169 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX)
 170 #endif
 171
 172 #endif  /* _ASM_M32R__ELF_H */