arch/metag/include/asm/elf.h

   1 #ifndef __ASM_METAG_ELF_H
   2 #define __ASM_METAG_ELF_H
   3
   4 #define EM_METAG      174
   5
   6 /* Meta relocations */
   7 #define R_METAG_HIADDR16                 0
   8 #define R_METAG_LOADDR16                 1
   9 #define R_METAG_ADDR32                   2
  10 #define R_METAG_NONE                     3
  11 #define R_METAG_RELBRANCH                4
  12 #define R_METAG_GETSETOFF                5
  13
  14 /* Backward compatibility */
  15 #define R_METAG_REG32OP1                 6
  16 #define R_METAG_REG32OP2                 7
  17 #define R_METAG_REG32OP3                 8
  18 #define R_METAG_REG16OP1                 9
  19 #define R_METAG_REG16OP2                10
  20 #define R_METAG_REG16OP3                11
  21 #define R_METAG_REG32OP4                12
  22
  23 #define R_METAG_HIOG                    13
  24 #define R_METAG_LOOG                    14
  25
  26 /* GNU */
  27 #define R_METAG_GNU_VTINHERIT           30
  28 #define R_METAG_GNU_VTENTRY             31
  29
  30 /* PIC relocations */
  31 #define R_METAG_HI16_GOTOFF             32
  32 #define R_METAG_LO16_GOTOFF             33
  33 #define R_METAG_GETSET_GOTOFF           34
  34 #define R_METAG_GETSET_GOT              35
  35 #define R_METAG_HI16_GOTPC              36
  36 #define R_METAG_LO16_GOTPC              37
  37 #define R_METAG_HI16_PLT                38
  38 #define R_METAG_LO16_PLT                39
  39 #define R_METAG_RELBRANCH_PLT           40
  40 #define R_METAG_GOTOFF                  41
  41 #define R_METAG_PLT                     42
  42 #define R_METAG_COPY                    43
  43 #define R_METAG_JMP_SLOT                44
  44 #define R_METAG_RELATIVE                45
  45 #define R_METAG_GLOB_DAT                46
  46
  47 /*
  48  * ELF register definitions.
  49  */
  50
  51 #include <asm/page.h>
  52 #include <asm/processor.h>
  53 #include <asm/ptrace.h>
  54 #include <asm/user.h>
  55
  56 typedef unsigned long elf_greg_t;
  57
  58 #define ELF_NGREG (sizeof(struct user_gp_regs) / sizeof(elf_greg_t))
  59 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  60
  61 typedef unsigned long elf_fpregset_t;
  62
  63 /*
  64  * This is used to ensure we don't load something for the wrong architecture.
  65  */
  66 #define elf_check_arch(x) ((x)->e_machine == EM_METAG)
  67
  68 /*
  69  * These are used to set parameters in the core dumps.
  70  */
  71 #define ELF_CLASS       ELFCLASS32
  72 #define ELF_DATA        ELFDATA2LSB
  73 #define ELF_ARCH        EM_METAG
  74
  75 #define ELF_PLAT_INIT(_r, load_addr)    \
  76         do { _r->ctx.AX[0].U0 = 0; } while (0)
  77
  78 #define USE_ELF_CORE_DUMP
  79 #define CORE_DUMP_USE_REGSET
  80 #define ELF_EXEC_PAGESIZE       PAGE_SIZE
  81
  82 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
  83    use of this is to invoke "./ld.so someprog" to test out a new version of
  84    the loader.  We need to make sure that it is out of the way of the program
  85    that it will "exec", and that there is sufficient room for the brk.  */
  86
  87 #define ELF_ET_DYN_BASE         0x08000000UL
  88
  89 #define ELF_CORE_COPY_REGS(_dest, _regs)                        \
  90         memcpy((char *)&_dest, (char *)_regs, sizeof(struct pt_regs));
  91
  92 /* This yields a mask that user programs can use to figure out what
  93    instruction set this cpu supports.  */
  94
  95 #define ELF_HWCAP       (0)
  96
  97 /* This yields a string that ld.so will use to load implementation
  98    specific libraries for optimization.  This is more specific in
  99    intent than poking at uname or /proc/cpuinfo.  */
 100
 101 #define ELF_PLATFORM  (NULL)
 102
 103 #define STACK_RND_MASK (0)
 104
 105 #ifdef CONFIG_METAG_USER_TCM
 106
 107 struct elf32_phdr;
 108 struct file;
 109
 110 unsigned long __metag_elf_map(struct file *filep, unsigned long addr,
 111                               struct elf32_phdr *eppnt, int prot, int type,
 112                               unsigned long total_size);
 113
 114 static inline unsigned long metag_elf_map(struct file *filep,
 115                                           unsigned long addr,
 116                                           struct elf32_phdr *eppnt, int prot,
 117                                           int type, unsigned long total_size)
 118 {
 119         return __metag_elf_map(filep, addr, eppnt, prot, type, total_size);
 120 }
 121 #define elf_map metag_elf_map
 122
 123 #endif
 124
 125 #endif