include/asm-sh/elf.h

   1 #ifndef __ASM_SH_ELF_H
   2 #define __ASM_SH_ELF_H
   3
   4 /* SH relocation types  */
   5 #define R_SH_NONE               0
   6 #define R_SH_DIR32              1
   7 #define R_SH_REL32              2
   8 #define R_SH_DIR8WPN            3
   9 #define R_SH_IND12W             4
  10 #define R_SH_DIR8WPL            5
  11 #define R_SH_DIR8WPZ            6
  12 #define R_SH_DIR8BP             7
  13 #define R_SH_DIR8W              8
  14 #define R_SH_DIR8L              9
  15 #define R_SH_SWITCH16           25
  16 #define R_SH_SWITCH32           26
  17 #define R_SH_USES               27
  18 #define R_SH_COUNT              28
  19 #define R_SH_ALIGN              29
  20 #define R_SH_CODE               30
  21 #define R_SH_DATA               31
  22 #define R_SH_LABEL              32
  23 #define R_SH_SWITCH8            33
  24 #define R_SH_GNU_VTINHERIT      34
  25 #define R_SH_GNU_VTENTRY        35
  26 #define R_SH_TLS_GD_32          144
  27 #define R_SH_TLS_LD_32          145
  28 #define R_SH_TLS_LDO_32         146
  29 #define R_SH_TLS_IE_32          147
  30 #define R_SH_TLS_LE_32          148
  31 #define R_SH_TLS_DTPMOD32       149
  32 #define R_SH_TLS_DTPOFF32       150
  33 #define R_SH_TLS_TPOFF32        151
  34 #define R_SH_GOT32              160
  35 #define R_SH_PLT32              161
  36 #define R_SH_COPY               162
  37 #define R_SH_GLOB_DAT           163
  38 #define R_SH_JMP_SLOT           164
  39 #define R_SH_RELATIVE           165
  40 #define R_SH_GOTOFF             166
  41 #define R_SH_GOTPC              167
  42 /* Keep this the last entry.  */
  43 #define R_SH_NUM                256
  44
  45 /*
  46  * ELF register definitions..
  47  */
  48
  49 #include <asm/ptrace.h>
  50 #include <asm/user.h>
  51
  52 typedef unsigned long elf_greg_t;
  53
  54 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
  55 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  56
  57 typedef struct user_fpu_struct elf_fpregset_t;
  58
  59 /*
  60  * This is used to ensure we don't load something for the wrong architecture.
  61  */
  62 #define elf_check_arch(x) ( (x)->e_machine == EM_SH )
  63
  64 /*
  65  * These are used to set parameters in the core dumps.
  66  */
  67 #define ELF_CLASS       ELFCLASS32
  68 #ifdef __LITTLE_ENDIAN__
  69 #define ELF_DATA        ELFDATA2LSB
  70 #else
  71 #define ELF_DATA        ELFDATA2MSB
  72 #endif
  73 #define ELF_ARCH        EM_SH
  74
  75 #define USE_ELF_CORE_DUMP
  76 #define ELF_EXEC_PAGESIZE       4096
  77
  78 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
  79    use of this is to invoke "./ld.so someprog" to test out a new version of
  80    the loader.  We need to make sure that it is out of the way of the program
  81    that it will "exec", and that there is sufficient room for the brk.  */
  82
  83 #define ELF_ET_DYN_BASE         (2 * TASK_SIZE / 3)
  84
  85
  86 #define ELF_CORE_COPY_REGS(_dest,_regs)                         \
  87         memcpy((char *) &_dest, (char *) _regs,                 \
  88                sizeof(struct pt_regs));
  89
  90 /* This yields a mask that user programs can use to figure out what
  91    instruction set this CPU supports.  This could be done in user space,
  92    but it's not easy, and we've already done it here.  */
  93
  94 #define ELF_HWCAP       (0)
  95
  96 /* This yields a string that ld.so will use to load implementation
  97    specific libraries for optimization.  This is more specific in
  98    intent than poking at uname or /proc/cpuinfo.
  99
 100    For the moment, we have only optimizations for the Intel generations,
 101    but that could change... */
 102
 103 #define ELF_PLATFORM  (NULL)
 104
 105 #define ELF_PLAT_INIT(_r, load_addr) \
 106   do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
 107        _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
 108        _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
 109        _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; \
 110        _r->sr = SR_FD; } while (0)
 111
 112 #ifdef __KERNEL__
 113 #define SET_PERSONALITY(ex, ibcs2) set_personality(PER_LINUX_32BIT)
 114 extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
 115 extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
 116
 117 #define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
 118 #define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
 119 #endif
 120
 121 #endif /* __ASM_SH_ELF_H */