arch/sparc/include/asm/elf_64.h

   1 #ifndef __ASM_SPARC64_ELF_H
   2 #define __ASM_SPARC64_ELF_H
   3
   4 /*
   5  * ELF register definitions..
   6  */
   7
   8 #include <asm/ptrace.h>
   9 #include <asm/processor.h>
  10 #include <asm/uaccess.h>
  11 #include <asm/spitfire.h>
  12
  13 /*
  14  * Sparc section types
  15  */
  16 #define STT_REGISTER            13
  17
  18 /*
  19  * Sparc ELF relocation types
  20  */
  21 #define R_SPARC_NONE            0
  22 #define R_SPARC_8               1
  23 #define R_SPARC_16              2
  24 #define R_SPARC_32              3
  25 #define R_SPARC_DISP8           4
  26 #define R_SPARC_DISP16          5
  27 #define R_SPARC_DISP32          6
  28 #define R_SPARC_WDISP30         7
  29 #define R_SPARC_WDISP22         8
  30 #define R_SPARC_HI22            9
  31 #define R_SPARC_22              10
  32 #define R_SPARC_13              11
  33 #define R_SPARC_LO10            12
  34 #define R_SPARC_GOT10           13
  35 #define R_SPARC_GOT13           14
  36 #define R_SPARC_GOT22           15
  37 #define R_SPARC_PC10            16
  38 #define R_SPARC_PC22            17
  39 #define R_SPARC_WPLT30          18
  40 #define R_SPARC_COPY            19
  41 #define R_SPARC_GLOB_DAT        20
  42 #define R_SPARC_JMP_SLOT        21
  43 #define R_SPARC_RELATIVE        22
  44 #define R_SPARC_UA32            23
  45 #define R_SPARC_PLT32           24
  46 #define R_SPARC_HIPLT22         25
  47 #define R_SPARC_LOPLT10         26
  48 #define R_SPARC_PCPLT32         27
  49 #define R_SPARC_PCPLT22         28
  50 #define R_SPARC_PCPLT10         29
  51 #define R_SPARC_10              30
  52 #define R_SPARC_11              31
  53 #define R_SPARC_64              32
  54 #define R_SPARC_OLO10           33
  55 #define R_SPARC_WDISP16         40
  56 #define R_SPARC_WDISP19         41
  57 #define R_SPARC_7               43
  58 #define R_SPARC_5               44
  59 #define R_SPARC_6               45
  60
  61 /* Bits present in AT_HWCAP, primarily for Sparc32.  */
  62 #define HWCAP_SPARC_FLUSH       0x00000001
  63 #define HWCAP_SPARC_STBAR       0x00000002
  64 #define HWCAP_SPARC_SWAP        0x00000004
  65 #define HWCAP_SPARC_MULDIV      0x00000008
  66 #define HWCAP_SPARC_V9          0x00000010
  67 #define HWCAP_SPARC_ULTRA3      0x00000020
  68 #define HWCAP_SPARC_BLKINIT     0x00000040
  69 #define HWCAP_SPARC_N2          0x00000080
  70
  71 /* Solaris compatible AT_HWCAP bits. */
  72 #define AV_SPARC_MUL32          0x00000100 /* 32x32 multiply is efficient */
  73 #define AV_SPARC_DIV32          0x00000200 /* 32x32 divide is efficient */
  74 #define AV_SPARC_FSMULD         0x00000400 /* 'fsmuld' is efficient */
  75 #define AV_SPARC_V8PLUS         0x00000800 /* v9 insn available to 32bit */
  76 #define AV_SPARC_POPC           0x00001000 /* 'popc' is efficient */
  77 #define AV_SPARC_VIS            0x00002000 /* VIS insns available */
  78 #define AV_SPARC_VIS2           0x00004000 /* VIS2 insns available */
  79 #define AV_SPARC_ASI_BLK_INIT   0x00008000 /* block init ASIs available */
  80 #define AV_SPARC_FMAF           0x00010000 /* fused multiply-add */
  81 #define AV_SPARC_VIS3           0x00020000 /* VIS3 insns available */
  82 #define AV_SPARC_HPC            0x00040000 /* HPC insns available */
  83 #define AV_SPARC_RANDOM         0x00080000 /* 'random' insn available */
  84 #define AV_SPARC_TRANS          0x00100000 /* transaction insns available */
  85 #define AV_SPARC_FJFMAU         0x00200000 /* unfused multiply-add */
  86 #define AV_SPARC_IMA            0x00400000 /* integer multiply-add */
  87 #define AV_SPARC_ASI_CACHE_SPARING \
  88                                 0x00800000 /* cache sparing ASIs available */
  89 #define AV_SPARC_PAUSE          0x01000000 /* PAUSE available */
  90 #define AV_SPARC_CBCOND         0x02000000 /* CBCOND insns available */
  91
  92 /* Solaris decided to enumerate every single crypto instruction type
  93  * in the AT_HWCAP bits.  This is wasteful, since if crypto is present,
  94  * you still need to look in the CFR register to see if the opcode is
  95  * really available.  So we simply advertise only "crypto" support.
  96  */
  97 #define HWCAP_SPARC_CRYPTO      0x04000000 /* CRYPTO insns available */
  98
  99 #define CORE_DUMP_USE_REGSET
 100
 101 /*
 102  * These are used to set parameters in the core dumps.
 103  */
 104 #define ELF_ARCH                EM_SPARCV9
 105 #define ELF_CLASS               ELFCLASS64
 106 #define ELF_DATA                ELFDATA2MSB
 107
 108 /* Format of 64-bit elf_gregset_t is:
 109  *      G0 --> G7
 110  *      O0 --> O7
 111  *      L0 --> L7
 112  *      I0 --> I7
 113  *      TSTATE
 114  *      TPC
 115  *      TNPC
 116  *      Y
 117  */
 118 typedef unsigned long elf_greg_t;
 119 #define ELF_NGREG 36
 120 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 121
 122 typedef struct {
 123         unsigned long   pr_regs[32];
 124         unsigned long   pr_fsr;
 125         unsigned long   pr_gsr;
 126         unsigned long   pr_fprs;
 127 } elf_fpregset_t;
 128
 129 /* Format of 32-bit elf_gregset_t is:
 130  *      G0 --> G7
 131  *      O0 --> O7
 132  *      L0 --> L7
 133  *      I0 --> I7
 134  *      PSR, PC, nPC, Y, WIM, TBR
 135  */
 136 typedef unsigned int compat_elf_greg_t;
 137 #define COMPAT_ELF_NGREG 38
 138 typedef compat_elf_greg_t compat_elf_gregset_t[COMPAT_ELF_NGREG];
 139
 140 typedef struct {
 141         union {
 142                 unsigned int    pr_regs[32];
 143                 unsigned long   pr_dregs[16];
 144         } pr_fr;
 145         unsigned int __unused;
 146         unsigned int    pr_fsr;
 147         unsigned char   pr_qcnt;
 148         unsigned char   pr_q_entrysize;
 149         unsigned char   pr_en;
 150         unsigned int    pr_q[64];
 151 } compat_elf_fpregset_t;
 152
 153 /* UltraSparc extensions.  Still unused, but will be eventually.  */
 154 typedef struct {
 155         unsigned int pr_type;
 156         unsigned int pr_align;
 157         union {
 158                 struct {
 159                         union {
 160                                 unsigned int    pr_regs[32];
 161                                 unsigned long   pr_dregs[16];
 162                                 long double     pr_qregs[8];
 163                         } pr_xfr;
 164                 } pr_v8p;
 165                 unsigned int    pr_xfsr;
 166                 unsigned int    pr_fprs;
 167                 unsigned int    pr_xg[8];
 168                 unsigned int    pr_xo[8];
 169                 unsigned long   pr_tstate;
 170                 unsigned int    pr_filler[8];
 171         } pr_un;
 172 } elf_xregset_t;
 173
 174 /*
 175  * This is used to ensure we don't load something for the wrong architecture.
 176  */
 177 #define elf_check_arch(x)               ((x)->e_machine == ELF_ARCH)
 178 #define compat_elf_check_arch(x)        ((x)->e_machine == EM_SPARC || \
 179                                          (x)->e_machine == EM_SPARC32PLUS)
 180 #define compat_start_thread             start_thread32
 181
 182 #define ELF_EXEC_PAGESIZE       PAGE_SIZE
 183
 184 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
 185    use of this is to invoke "./ld.so someprog" to test out a new version of
 186    the loader.  We need to make sure that it is out of the way of the program
 187    that it will "exec", and that there is sufficient room for the brk.  */
 188
 189 #define ELF_ET_DYN_BASE         0x0000010000000000UL
 190 #define COMPAT_ELF_ET_DYN_BASE  0x0000000070000000UL
 191
 192 extern unsigned long sparc64_elf_hwcap;
 193 #define ELF_HWCAP       sparc64_elf_hwcap
 194
 195 /* This yields a string that ld.so will use to load implementation
 196    specific libraries for optimization.  This is more specific in
 197    intent than poking at uname or /proc/cpuinfo.  */
 198
 199 #define ELF_PLATFORM    (NULL)
 200
 201 #define SET_PERSONALITY(ex)                             \
 202 do {    if ((ex).e_ident[EI_CLASS] == ELFCLASS32)       \
 203                 set_thread_flag(TIF_32BIT);             \
 204         else                                            \
 205                 clear_thread_flag(TIF_32BIT);           \
 206         /* flush_thread will update pgd cache */        \
 207         if (personality(current->personality) != PER_LINUX32)   \
 208                 set_personality(PER_LINUX |             \
 209                         (current->personality & (~PER_MASK)));  \
 210 } while (0)
 211
 212 #endif /* !(__ASM_SPARC64_ELF_H) */