arch/h8300/include/asm/elf.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_H8300_ELF_H
   3 #define __ASM_H8300_ELF_H
   4
   5 /*
   6  * ELF register definitions..
   7  */
   8
   9 #include <asm/ptrace.h>
  10 #include <asm/user.h>
  11
  12 typedef unsigned long elf_greg_t;
  13
  14 #define ELF_NGREG (sizeof(struct user_regs_struct) / sizeof(elf_greg_t))
  15 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  16 typedef unsigned long elf_fpregset_t;
  17
  18 /*
  19  * This is used to ensure we don't load something for the wrong architecture.
  20  */
  21 #define elf_check_arch(x) ((x)->e_machine == EM_H8_300)
  22
  23 /*
  24  * These are used to set parameters in the core dumps.
  25  */
  26 #define ELF_CLASS       ELFCLASS32
  27 #define ELF_DATA        ELFDATA2MSB
  28 #define ELF_ARCH        EM_H8_300
  29 #if defined(CONFIG_CPU_H8300H)
  30 #define ELF_CORE_EFLAGS 0x810000
  31 #endif
  32 #if defined(CONFIG_CPU_H8S)
  33 #define ELF_CORE_EFLAGS 0x820000
  34 #endif
  35
  36 #define ELF_PLAT_INIT(_r) do { (_r)->er1 = 0; } while (0)
  37
  38 #define ELF_EXEC_PAGESIZE       4096
  39
  40 /* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
  41    use of this is to invoke "./ld.so someprog" to test out a new version of
  42    the loader.  We need to make sure that it is out of the way of the program
  43    that it will "exec", and that there is sufficient room for the brk.  */
  44
  45 #define ELF_ET_DYN_BASE         0xD0000000UL
  46
  47 /* This yields a mask that user programs can use to figure out what
  48    instruction set this cpu supports.  */
  49
  50 #define ELF_HWCAP       (0)
  51
  52 /* This yields a string that ld.so will use to load implementation
  53    specific libraries for optimization.  This is more specific in
  54    intent than poking at uname or /proc/cpuinfo.  */
  55
  56 #define ELF_PLATFORM  (NULL)
  57
  58 #define R_H8_NONE       0
  59 #define R_H8_DIR32      1
  60 #define R_H8_DIR32_28   2
  61 #define R_H8_DIR32_24   3
  62 #define R_H8_DIR32_16   4
  63 #define R_H8_DIR32U     6
  64 #define R_H8_DIR32U_28  7
  65 #define R_H8_DIR32U_24  8
  66 #define R_H8_DIR32U_20  9
  67 #define R_H8_DIR32U_16 10
  68 #define R_H8_DIR24     11
  69 #define R_H8_DIR24_20  12
  70 #define R_H8_DIR24_16  13
  71 #define R_H8_DIR24U    14
  72 #define R_H8_DIR24U_20 15
  73 #define R_H8_DIR24U_16 16
  74 #define R_H8_DIR16     17
  75 #define R_H8_DIR16U    18
  76 #define R_H8_DIR16S_32 19
  77 #define R_H8_DIR16S_28 20
  78 #define R_H8_DIR16S_24 21
  79 #define R_H8_DIR16S_20 22
  80 #define R_H8_DIR16S    23
  81 #define R_H8_DIR8      24
  82 #define R_H8_DIR8U     25
  83 #define R_H8_DIR8Z_32  26
  84 #define R_H8_DIR8Z_28  27
  85 #define R_H8_DIR8Z_24  28
  86 #define R_H8_DIR8Z_20  29
  87 #define R_H8_DIR8Z_16  30
  88 #define R_H8_PCREL16   31
  89 #define R_H8_PCREL8    32
  90 #define R_H8_BPOS      33
  91 #define R_H8_PCREL32   34
  92 #define R_H8_GOT32O    35
  93 #define R_H8_GOT16O    36
  94 #define R_H8_DIR16A8   59
  95 #define R_H8_DIR16R8   60
  96 #define R_H8_DIR24A8   61
  97 #define R_H8_DIR24R8   62
  98 #define R_H8_DIR32A16  63
  99 #define R_H8_ABS32     65
 100 #define R_H8_ABS32A16 127
 101
 102 #endif