arch/sparc/include/asm/elf_32.h

   1 #ifndef __ASMSPARC_ELF_H
   2 #define __ASMSPARC_ELF_H
   3
   4 /*
   5  * ELF register definitions..
   6  */
   7
   8 #include <asm/ptrace.h>
   9
  10 /*
  11  * Sparc section types
  12  */
  13 #define STT_REGISTER            13
  14
  15 /*
  16  * Sparc ELF relocation types
  17  */
  18 #define R_SPARC_NONE            0
  19 #define R_SPARC_8               1
  20 #define R_SPARC_16              2
  21 #define R_SPARC_32              3
  22 #define R_SPARC_DISP8           4
  23 #define R_SPARC_DISP16          5
  24 #define R_SPARC_DISP32          6
  25 #define R_SPARC_WDISP30         7
  26 #define R_SPARC_WDISP22         8
  27 #define R_SPARC_HI22            9
  28 #define R_SPARC_22              10
  29 #define R_SPARC_13              11
  30 #define R_SPARC_LO10            12
  31 #define R_SPARC_GOT10           13
  32 #define R_SPARC_GOT13           14
  33 #define R_SPARC_GOT22           15
  34 #define R_SPARC_PC10            16
  35 #define R_SPARC_PC22            17
  36 #define R_SPARC_WPLT30          18
  37 #define R_SPARC_COPY            19
  38 #define R_SPARC_GLOB_DAT        20
  39 #define R_SPARC_JMP_SLOT        21
  40 #define R_SPARC_RELATIVE        22
  41 #define R_SPARC_UA32            23
  42 #define R_SPARC_PLT32           24
  43 #define R_SPARC_HIPLT22         25
  44 #define R_SPARC_LOPLT10         26
  45 #define R_SPARC_PCPLT32         27
  46 #define R_SPARC_PCPLT22         28
  47 #define R_SPARC_PCPLT10         29
  48 #define R_SPARC_10              30
  49 #define R_SPARC_11              31
  50 #define R_SPARC_64              32
  51 #define R_SPARC_OLO10           33
  52 #define R_SPARC_WDISP16         40
  53 #define R_SPARC_WDISP19         41
  54 #define R_SPARC_7               43
  55 #define R_SPARC_5               44
  56 #define R_SPARC_6               45
  57
  58 /* Bits present in AT_HWCAP, primarily for Sparc32.  */
  59
  60 #define HWCAP_SPARC_FLUSH       1    /* CPU supports flush instruction. */
  61 #define HWCAP_SPARC_STBAR       2
  62 #define HWCAP_SPARC_SWAP        4
  63 #define HWCAP_SPARC_MULDIV      8
  64 #define HWCAP_SPARC_V9          16
  65 #define HWCAP_SPARC_ULTRA3      32
  66
  67 #define CORE_DUMP_USE_REGSET
  68
  69 /* Format is:
  70  *      G0 --> G7
  71  *      O0 --> O7
  72  *      L0 --> L7
  73  *      I0 --> I7
  74  *      PSR, PC, nPC, Y, WIM, TBR
  75  */
  76 typedef unsigned long elf_greg_t;
  77 #define ELF_NGREG 38
  78 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  79
  80 typedef struct {
  81         union {
  82                 unsigned long   pr_regs[32];
  83                 double          pr_dregs[16];
  84         } pr_fr;
  85         unsigned long __unused;
  86         unsigned long   pr_fsr;
  87         unsigned char   pr_qcnt;
  88         unsigned char   pr_q_entrysize;
  89         unsigned char   pr_en;
  90         unsigned int    pr_q[64];
  91 } elf_fpregset_t;
  92
  93 #include <asm/mbus.h>
  94
  95 /*
  96  * This is used to ensure we don't load something for the wrong architecture.
  97  */
  98 #define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
  99
 100 /*
 101  * These are used to set parameters in the core dumps.
 102  */
 103 #define ELF_ARCH        EM_SPARC
 104 #define ELF_CLASS       ELFCLASS32
 105 #define ELF_DATA        ELFDATA2MSB
 106
 107 #define USE_ELF_CORE_DUMP
 108
 109 #define ELF_EXEC_PAGESIZE       4096
 110
 111
 112 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
 113    use of this is to invoke "./ld.so someprog" to test out a new version of
 114    the loader.  We need to make sure that it is out of the way of the program
 115    that it will "exec", and that there is sufficient room for the brk.  */
 116
 117 #define ELF_ET_DYN_BASE         (TASK_UNMAPPED_BASE)
 118
 119 /* This yields a mask that user programs can use to figure out what
 120    instruction set this cpu supports.  This can NOT be done in userspace
 121    on Sparc.  */
 122
 123 /* Sun4c has none of the capabilities, most sun4m's have them all.
 124  * XXX This is gross, set some global variable at boot time. -DaveM
 125  */
 126 #define ELF_HWCAP       ((ARCH_SUN4C) ? 0 : \
 127                          (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
 128                           HWCAP_SPARC_SWAP | \
 129                           ((srmmu_modtype != Cypress && \
 130                             srmmu_modtype != Cypress_vE && \
 131                             srmmu_modtype != Cypress_vD) ? \
 132                            HWCAP_SPARC_MULDIV : 0)))
 133
 134 /* This yields a string that ld.so will use to load implementation
 135    specific libraries for optimization.  This is more specific in
 136    intent than poking at uname or /proc/cpuinfo. */
 137
 138 #define ELF_PLATFORM    (NULL)
 139
 140 #define SET_PERSONALITY(ex) set_personality(PER_LINUX)
 141
 142 #endif /* !(__ASMSPARC_ELF_H) */