arch/cris/include/asm/elf.h

   1 #ifndef __ASMCRIS_ELF_H
   2 #define __ASMCRIS_ELF_H
   3
   4 /*
   5  * ELF register definitions..
   6  */
   7
   8 #include <asm/user.h>
   9
  10 #define R_CRIS_NONE             0
  11 #define R_CRIS_8                1
  12 #define R_CRIS_16               2
  13 #define R_CRIS_32               3
  14 #define R_CRIS_8_PCREL          4
  15 #define R_CRIS_16_PCREL         5
  16 #define R_CRIS_32_PCREL         6
  17 #define R_CRIS_GNU_VTINHERIT    7
  18 #define R_CRIS_GNU_VTENTRY      8
  19 #define R_CRIS_COPY             9
  20 #define R_CRIS_GLOB_DAT         10
  21 #define R_CRIS_JUMP_SLOT        11
  22 #define R_CRIS_RELATIVE         12
  23 #define R_CRIS_16_GOT           13
  24 #define R_CRIS_32_GOT           14
  25 #define R_CRIS_16_GOTPLT        15
  26 #define R_CRIS_32_GOTPLT        16
  27 #define R_CRIS_32_GOTREL        17
  28 #define R_CRIS_32_PLT_GOTREL    18
  29 #define R_CRIS_32_PLT_PCREL     19
  30
  31 typedef unsigned long elf_greg_t;
  32
  33 /* Note that NGREG is defined to ELF_NGREG in include/linux/elfcore.h, and is
  34    thus exposed to user-space. */
  35 #define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
  36 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  37
  38 /* A placeholder; CRIS does not have any fp regs.  */
  39 typedef unsigned long elf_fpregset_t;
  40
  41 /*
  42  * These are used to set parameters in the core dumps.
  43  */
  44 #define ELF_CLASS       ELFCLASS32
  45 #define ELF_DATA        ELFDATA2LSB
  46 #define ELF_ARCH        EM_CRIS
  47
  48 #include <arch/elf.h>
  49
  50 /* The master for these definitions is {binutils}/include/elf/cris.h:  */
  51 /* User symbols in this file have a leading underscore.  */
  52 #define EF_CRIS_UNDERSCORE              0x00000001
  53
  54 /* This is a mask for different incompatible machine variants.  */
  55 #define EF_CRIS_VARIANT_MASK            0x0000000e
  56
  57 /* Variant 0; may contain v0..10 object.  */
  58 #define EF_CRIS_VARIANT_ANY_V0_V10      0x00000000
  59
  60 /* Variant 1; contains v32 object.  */
  61 #define EF_CRIS_VARIANT_V32             0x00000002
  62
  63 /* Variant 2; contains object compatible with v32 and v10.  */
  64 #define EF_CRIS_VARIANT_COMMON_V10_V32  0x00000004
  65 /* End of excerpt from {binutils}/include/elf/cris.h.  */
  66
  67 #define ELF_EXEC_PAGESIZE       8192
  68
  69 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
  70    use of this is to invoke "./ld.so someprog" to test out a new version of
  71    the loader.  We need to make sure that it is out of the way of the program
  72    that it will "exec", and that there is sufficient room for the brk.  */
  73
  74 #define ELF_ET_DYN_BASE         (2 * TASK_SIZE / 3)
  75
  76 /* This yields a mask that user programs can use to figure out what
  77    instruction set this CPU supports.  This could be done in user space,
  78    but it's not easy, and we've already done it here.  */
  79
  80 #define ELF_HWCAP       (0)
  81
  82 /* This yields a string that ld.so will use to load implementation
  83    specific libraries for optimization.  This is more specific in
  84    intent than poking at uname or /proc/cpuinfo.
  85 */
  86
  87 #define ELF_PLATFORM  (NULL)
  88
  89 #define SET_PERSONALITY(ex) set_personality(PER_LINUX)
  90
  91 #endif