sys/arch/arm/include/elf_machdep.h

   1 /*      $NetBSD: elf_machdep.h,v 1.7 2006/09/08 19:09:19 he Exp $       */
   2
   3 #if defined(__ARMEB__)
   4 #define ELF32_MACHDEP_ENDIANNESS        ELFDATA2MSB
   5 #else
   6 #define ELF32_MACHDEP_ENDIANNESS        ELFDATA2LSB
   7 #endif
   8
   9 #define ELF64_MACHDEP_ENDIANNESS        XXX     /* break compilation */
  10 #define ELF64_MACHDEP_ID_CASES                                          \
  11                 /* no 64-bit ELF machine types supported */
  12
  13 /* Processor specific flags for the ELF header e_flags field.  */
  14 #define EF_ARM_RELEXEC          0x00000001
  15 #define EF_ARM_HASENTRY         0x00000002
  16 #define EF_ARM_INTERWORK        0x00000004 /* GNU binutils 000413 */
  17 #define EF_ARM_SYMSARESORTED    0x00000004 /* ARM ELF A08 */
  18 #define EF_ARM_APCS_26          0x00000008 /* GNU binutils 000413 */
  19 #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */
  20 #define EF_ARM_APCS_FLOAT       0x00000010 /* GNU binutils 000413 */
  21 #define EF_ARM_MAPSYMSFIRST     0x00000010 /* ARM ELF B01 */
  22 #define EF_ARM_PIC              0x00000020
  23 #define EF_ARM_ALIGN8           0x00000040 /* 8-bit structure alignment.  */
  24 #define EF_ARM_NEW_ABI          0x00000080
  25 #define EF_ARM_OLD_ABI          0x00000100
  26 #define EF_ARM_SOFT_FLOAT       0x00000200
  27 #define EF_ARM_EABIMASK         0xff000000
  28
  29 #define ELF32_MACHDEP_ID_CASES                                          \
  30                 case EM_ARM:                                            \
  31                         break;
  32
  33 #define ELF32_MACHDEP_ID        EM_ARM
  34
  35 #define ARCH_ELFSIZE            32      /* MD native binary size */
  36
  37 /* Processor specific relocation types */
  38
  39 #define R_ARM_NONE              0
  40 #define R_ARM_PC24              1
  41 #define R_ARM_ABS32             2
  42 #define R_ARM_REL32             3
  43 #define R_ARM_PC13              4
  44 #define R_ARM_ABS16             5
  45 #define R_ARM_ABS12             6
  46 #define R_ARM_THM_ABS5          7
  47 #define R_ARM_ABS8              8
  48 #define R_ARM_SBREL32           9
  49 #define R_ARM_THM_PC22          10
  50 #define R_ARM_THM_PC8           11
  51 #define R_ARM_AMP_VCALL9        12
  52 #define R_ARM_SWI24             13
  53 #define R_ARM_THM_SWI8          14
  54 #define R_ARM_XPC25             15
  55 #define R_ARM_THM_XPC22         16
  56
  57 /* TLS relocations */
  58 #define R_ARM_TLS_DTPMOD32      17      /* ID of module containing symbol */
  59 #define R_ARM_TLS_DTPOFF32      18      /* Offset in TLS block */
  60 #define R_ARM_TLS_TPOFF32       19      /* Offset in static TLS block */
  61
  62 /* 20-31 are reserved for ARM Linux. */
  63 #define R_ARM_COPY              20
  64 #define R_ARM_GLOB_DAT          21
  65 #define R_ARM_JUMP_SLOT         22
  66 #define R_ARM_RELATIVE          23
  67 #define R_ARM_GOTOFF            24
  68 #define R_ARM_GOTPC             25
  69 #define R_ARM_GOT32             26
  70 #define R_ARM_PLT32             27
  71
  72 #define R_ARM_ALU_PCREL_7_0     32
  73 #define R_ARM_ALU_PCREL_15_8    33
  74 #define R_ARM_ALU_PCREL_23_15   34
  75 #define R_ARM_ALU_SBREL_11_0    35
  76 #define R_ARM_ALU_SBREL_19_12   36
  77 #define R_ARM_ALU_SBREL_27_20   37
  78
  79 /* 96-111 are reserved to G++. */
  80 #define R_ARM_GNU_VTENTRY       100
  81 #define R_ARM_GNU_VTINHERIT     101
  82 #define R_ARM_THM_PC11          102
  83 #define R_ARM_THM_PC9           103
  84
  85 /* More TLS relocations */
  86 #define R_ARM_TLS_GD32          104     /* PC-rel 32 bit for global dynamic */
  87 #define R_ARM_TLS_LDM32         105     /* PC-rel 32 bit for local dynamic */
  88 #define R_ARM_TLS_LDO32         106     /* 32 bit offset relative to TLS */
  89 #define R_ARM_TLS_IE32          107     /* PC-rel 32 bit for GOT entry of */
  90 #define R_ARM_TLS_LE32          108
  91 #define R_ARM_TLS_LDO12         109
  92 #define R_ARM_TLS_LE12          110
  93 #define R_ARM_TLS_IE12GP        111
  94
  95 /* 112-127 are reserved for private experiments. */
  96
  97 #define R_ARM_RXPC25            249
  98 #define R_ARM_RSBREL32          250
  99 #define R_ARM_THM_RPC22         251
 100 #define R_ARM_RREL32            252
 101 #define R_ARM_RABS32            253
 102 #define R_ARM_RPC24             254
 103 #define R_ARM_RBASE             255
 104
 105 #define R_TYPE(name)            __CONCAT(R_ARM_,name)
 106
 107 /* Processor specific program header flags */
 108 #define PF_ARM_SB               0x10000000
 109 #define PF_ARM_PI               0x20000000
 110 #define PF_ARM_ENTRY            0x80000000
 111
 112 /* Processor specific section header flags */
 113 #define SHF_ENTRYSECT           0x10000000
 114 #define SHF_COMDEF              0x80000000
 115
 116 /* Processor specific symbol types */
 117 #define STT_ARM_TFUNC           STT_LOPROC