include/asm-v850/elf.h

   1 #ifndef __V850_ELF_H__
   2 #define __V850_ELF_H__
   3
   4 /*
   5  * ELF register definitions..
   6  */
   7
   8 #include <asm/ptrace.h>
   9 #include <asm/user.h>
  10 #include <asm/byteorder.h>
  11
  12 typedef unsigned long elf_greg_t;
  13
  14 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
  15 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  16
  17 typedef struct user_fpu_struct elf_fpregset_t;
  18
  19 /*
  20  * This is used to ensure we don't load something for the wrong architecture.
  21  */
  22 #define elf_check_arch(x)  \
  23   ((x)->e_machine == EM_V850 || (x)->e_machine == EM_CYGNUS_V850)
  24
  25
  26 /* v850 relocation types.  */
  27 #define R_V850_NONE             0
  28 #define R_V850_9_PCREL          1
  29 #define R_V850_22_PCREL         2
  30 #define R_V850_HI16_S           3
  31 #define R_V850_HI16             4
  32 #define R_V850_LO16             5
  33 #define R_V850_32               6
  34 #define R_V850_16               7
  35 #define R_V850_8                8
  36 #define R_V850_SDA_16_16_OFFSET 9       /* For ld.b, st.b, set1, clr1,
  37                                            not1, tst1, movea, movhi */
  38 #define R_V850_SDA_15_16_OFFSET 10      /* For ld.w, ld.h, ld.hu, st.w, st.h */
  39 #define R_V850_ZDA_16_16_OFFSET 11      /* For ld.b, st.b, set1, clr1,
  40                                            not1, tst1, movea, movhi */
  41 #define R_V850_ZDA_15_16_OFFSET 12      /* For ld.w, ld.h, ld.hu, st.w, st.h */
  42 #define R_V850_TDA_6_8_OFFSET   13      /* For sst.w, sld.w */
  43 #define R_V850_TDA_7_8_OFFSET   14      /* For sst.h, sld.h */
  44 #define R_V850_TDA_7_7_OFFSET   15      /* For sst.b, sld.b */
  45 #define R_V850_TDA_16_16_OFFSET 16      /* For set1, clr1, not1, tst1,
  46                                            movea, movhi */
  47 #define R_V850_NUM              17
  48
  49
  50 /*
  51  * These are used to set parameters in the core dumps.
  52  */
  53 #define ELF_CLASS       ELFCLASS32
  54 #ifdef __LITTLE_ENDIAN__
  55 #define ELF_DATA        ELFDATA2LSB
  56 #else
  57 #define ELF_DATA        ELFDATA2MSB
  58 #endif
  59 #define ELF_ARCH        EM_V850
  60
  61 #define USE_ELF_CORE_DUMP
  62 #define ELF_EXEC_PAGESIZE       4096
  63
  64
  65 #define ELF_CORE_COPY_REGS(_dest,_regs)                         \
  66         memcpy((char *) &_dest, (char *) _regs,                 \
  67                sizeof(struct pt_regs));
  68
  69 /* This yields a mask that user programs can use to figure out what
  70    instruction set this CPU supports.  This could be done in user space,
  71    but it's not easy, and we've already done it here.  */
  72
  73 #define ELF_HWCAP       (0)
  74
  75 /* This yields a string that ld.so will use to load implementation
  76    specific libraries for optimization.  This is more specific in
  77    intent than poking at uname or /proc/cpuinfo.
  78
  79    For the moment, we have only optimizations for the Intel generations,
  80    but that could change... */
  81
  82 #define ELF_PLATFORM  (NULL)
  83
  84 #define ELF_PLAT_INIT(_r, load_addr)                                          \
  85   do {                                                                        \
  86          _r->gpr[0] =  _r->gpr[1] =  _r->gpr[2] =  _r->gpr[3] =               \
  87          _r->gpr[4] =  _r->gpr[5] =  _r->gpr[6] =  _r->gpr[7] =               \
  88          _r->gpr[8] =  _r->gpr[9] = _r->gpr[10] = _r->gpr[11] =               \
  89         _r->gpr[12] = _r->gpr[13] = _r->gpr[14] = _r->gpr[15] =               \
  90         _r->gpr[16] = _r->gpr[17] = _r->gpr[18] = _r->gpr[19] =               \
  91         _r->gpr[20] = _r->gpr[21] = _r->gpr[22] = _r->gpr[23] =               \
  92         _r->gpr[24] = _r->gpr[25] = _r->gpr[26] = _r->gpr[27] =               \
  93         _r->gpr[28] = _r->gpr[29] = _r->gpr[30] = _r->gpr[31] =               \
  94         0;                                                                    \
  95   } while (0)
  96
  97 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
  98
  99 #endif /* __V850_ELF_H__ */