arch/sparc/include/asm/elf_32.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASMSPARC_ELF_H
   3 #define __ASMSPARC_ELF_H
   4
   5 /*
   6  * ELF register definitions..
   7  */
   8
   9 #include <asm/ptrace.h>
  10
  11 /*
  12  * Sparc section types
  13  */
  14 #define STT_REGISTER            13
  15
  16 /*
  17  * Sparc ELF relocation types
  18  */
  19 #define R_SPARC_NONE            0
  20 #define R_SPARC_8               1
  21 #define R_SPARC_16              2
  22 #define R_SPARC_32              3
  23 #define R_SPARC_DISP8           4
  24 #define R_SPARC_DISP16          5
  25 #define R_SPARC_DISP32          6
  26 #define R_SPARC_WDISP30         7
  27 #define R_SPARC_WDISP22         8
  28 #define R_SPARC_HI22            9
  29 #define R_SPARC_22              10
  30 #define R_SPARC_13              11
  31 #define R_SPARC_LO10            12
  32 #define R_SPARC_GOT10           13
  33 #define R_SPARC_GOT13           14
  34 #define R_SPARC_GOT22           15
  35 #define R_SPARC_PC10            16
  36 #define R_SPARC_PC22            17
  37 #define R_SPARC_WPLT30          18
  38 #define R_SPARC_COPY            19
  39 #define R_SPARC_GLOB_DAT        20
  40 #define R_SPARC_JMP_SLOT        21
  41 #define R_SPARC_RELATIVE        22
  42 #define R_SPARC_UA32            23
  43 #define R_SPARC_PLT32           24
  44 #define R_SPARC_HIPLT22         25
  45 #define R_SPARC_LOPLT10         26
  46 #define R_SPARC_PCPLT32         27
  47 #define R_SPARC_PCPLT22         28
  48 #define R_SPARC_PCPLT10         29
  49 #define R_SPARC_10              30
  50 #define R_SPARC_11              31
  51 #define R_SPARC_64              32
  52 #define R_SPARC_OLO10           33
  53 #define R_SPARC_WDISP16         40
  54 #define R_SPARC_WDISP19         41
  55 #define R_SPARC_7               43
  56 #define R_SPARC_5               44
  57 #define R_SPARC_6               45
  58
  59 /* Bits present in AT_HWCAP, primarily for Sparc32.  */
  60
  61 #define HWCAP_SPARC_FLUSH       1    /* CPU supports flush instruction. */
  62 #define HWCAP_SPARC_STBAR       2
  63 #define HWCAP_SPARC_SWAP        4
  64 #define HWCAP_SPARC_MULDIV      8
  65 #define HWCAP_SPARC_V9          16
  66 #define HWCAP_SPARC_ULTRA3      32
  67
  68 #define CORE_DUMP_USE_REGSET
  69
  70 /* Format is:
  71  *      G0 --> G7
  72  *      O0 --> O7
  73  *      L0 --> L7
  74  *      I0 --> I7
  75  *      PSR, PC, nPC, Y, WIM, TBR
  76  */
  77 typedef unsigned long elf_greg_t;
  78 #define ELF_NGREG 38
  79 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  80
  81 typedef struct {
  82         union {
  83                 unsigned long   pr_regs[32];
  84                 double          pr_dregs[16];
  85         } pr_fr;
  86         unsigned long __unused;
  87         unsigned long   pr_fsr;
  88         unsigned char   pr_qcnt;
  89         unsigned char   pr_q_entrysize;
  90         unsigned char   pr_en;
  91         unsigned int    pr_q[64];
  92 } elf_fpregset_t;
  93
  94 #include <asm/mbus.h>
  95
  96 /*
  97  * This is used to ensure we don't load something for the wrong architecture.
  98  */
  99 #define elf_check_arch(x) ((x)->e_machine == EM_SPARC)
 100
 101 /*
 102  * These are used to set parameters in the core dumps.
 103  */
 104 #define ELF_ARCH        EM_SPARC
 105 #define ELF_CLASS       ELFCLASS32
 106 #define ELF_DATA        ELFDATA2MSB
 107
 108 #define ELF_EXEC_PAGESIZE       4096
 109
 110
 111 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
 112    use of this is to invoke "./ld.so someprog" to test out a new version of
 113    the loader.  We need to make sure that it is out of the way of the program
 114    that it will "exec", and that there is sufficient room for the brk.  */
 115
 116 #define ELF_ET_DYN_BASE         (TASK_UNMAPPED_BASE)
 117
 118 /* This yields a mask that user programs can use to figure out what
 119    instruction set this cpu supports.  This can NOT be done in userspace
 120    on Sparc.  */
 121
 122 /* Most sun4m's have them all.  */
 123 #define ELF_HWCAP       (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
 124                          HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV)
 125
 126 /* This yields a string that ld.so will use to load implementation
 127    specific libraries for optimization.  This is more specific in
 128    intent than poking at uname or /proc/cpuinfo. */
 129
 130 #define ELF_PLATFORM    (NULL)
 131
 132 #endif /* !(__ASMSPARC_ELF_H) */