sys/arch/arm/include/elf_machdep.h

   1 /*      $NetBSD: elf_machdep.h,v 1.17 2014/02/25 19:20:09 matt Exp $    */
   2
   3 #ifndef _ARM_ELF_MACHDEP_H_
   4 #define _ARM_ELF_MACHDEP_H_
   5
   6 #if defined(__ARMEB__)
   7 #define ELF32_MACHDEP_ENDIANNESS        ELFDATA2MSB
   8 #else
   9 #define ELF32_MACHDEP_ENDIANNESS        ELFDATA2LSB
  10 #endif
  11
  12 #define ELF64_MACHDEP_ENDIANNESS        XXX     /* break compilation */
  13 #define ELF64_MACHDEP_ID_CASES                                          \
  14                 /* no 64-bit ELF machine types supported */
  15
  16 /* Processor specific flags for the ELF header e_flags field.  */
  17 #define EF_ARM_RELEXEC          0x00000001
  18 #define EF_ARM_HASENTRY         0x00000002
  19 #define EF_ARM_INTERWORK        0x00000004 /* GNU binutils 000413 */
  20 #define EF_ARM_SYMSARESORTED    0x00000004 /* ARM ELF A08 */
  21 #define EF_ARM_APCS_26          0x00000008 /* GNU binutils 000413 */
  22 #define EF_ARM_DYNSYMSUSESEGIDX 0x00000008 /* ARM ELF B01 */
  23 #define EF_ARM_APCS_FLOAT       0x00000010 /* GNU binutils 000413 */
  24 #define EF_ARM_MAPSYMSFIRST     0x00000010 /* ARM ELF B01 */
  25 #define EF_ARM_PIC              0x00000020
  26 #define EF_ARM_ALIGN8           0x00000040 /* 8-bit structure alignment.  */
  27 #define EF_ARM_NEW_ABI          0x00000080
  28 #define EF_ARM_OLD_ABI          0x00000100
  29 #define EF_ARM_SOFT_FLOAT       0x00000200
  30 #define EF_ARM_BE8              0x00800000
  31 #define EF_ARM_EABIMASK         0xff000000
  32 #define EF_ARM_EABI_VER1        0x01000000
  33 #define EF_ARM_EABI_VER2        0x02000000
  34 #define EF_ARM_EABI_VER3        0x03000000
  35 #define EF_ARM_EABI_VER4        0x04000000
  36 #define EF_ARM_EABI_VER5        0x05000000
  37
  38 #define ELF32_MACHDEP_ID_CASES                                          \
  39                 case EM_ARM:                                            \
  40                         break;
  41
  42 #define ELF32_MACHDEP_ID        EM_ARM
  43
  44 #define ARCH_ELFSIZE            32      /* MD native binary size */
  45
  46 /* Processor specific relocation types */
  47
  48 #define R_ARM_NONE              0
  49 #define R_ARM_PC24              1
  50 #define R_ARM_ABS32             2
  51 #define R_ARM_REL32             3
  52 #define R_ARM_PC13              4
  53 #define R_ARM_ABS16             5
  54 #define R_ARM_ABS12             6
  55 #define R_ARM_THM_ABS5          7
  56 #define R_ARM_ABS8              8
  57 #define R_ARM_SBREL32           9
  58 #define R_ARM_THM_PC22          10
  59 #define R_ARM_THM_PC8           11
  60 #define R_ARM_AMP_VCALL9        12
  61 #define R_ARM_SWI24             13
  62 #define R_ARM_THM_SWI8          14
  63 #define R_ARM_XPC25             15
  64 #define R_ARM_THM_XPC22         16
  65
  66 /* TLS relocations */
  67 #define R_ARM_TLS_DTPMOD32      17      /* ID of module containing symbol */
  68 #define R_ARM_TLS_DTPOFF32      18      /* Offset in TLS block */
  69 #define R_ARM_TLS_TPOFF32       19      /* Offset in static TLS block */
  70
  71 /* 20-31 are reserved for ARM Linux. */
  72 #define R_ARM_COPY              20
  73 #define R_ARM_GLOB_DAT          21
  74 #define R_ARM_JUMP_SLOT         22
  75 #define R_ARM_RELATIVE          23
  76 #define R_ARM_GOTOFF            24
  77 #define R_ARM_GOTPC             25
  78 #define R_ARM_GOT32             26
  79 #define R_ARM_PLT32             27
  80 #define R_ARM_CALL              28
  81 #define R_ARM_JUMP24            29
  82 #define R_ARM_THM_JUMP24        30
  83 #define R_ARM_BASE_ABS          31
  84 #define R_ARM_ALU_PCREL_7_0     32
  85 #define R_ARM_ALU_PCREL_15_8    33
  86 #define R_ARM_ALU_PCREL_23_15   34
  87 #define R_ARM_ALU_SBREL_11_0    35
  88 #define R_ARM_ALU_SBREL_19_12   36
  89 #define R_ARM_ALU_SBREL_27_20   37      // depcreated
  90 #define R_ARM_TARGET1           38
  91 #define R_ARM_SBREL31           39      // deprecated
  92 #define R_ARM_V4BX              40
  93 #define R_ARM_TARGET2           41
  94 #define R_ARM_PREL31            42
  95 #define R_ARM_MOVW_ABS_NC       43
  96 #define R_ARM_MOVT_ABS          44
  97 #define R_ARM_MOVW_PREL_NC      45
  98 #define R_ARM_MOVT_PREL         46
  99 #define R_ARM_THM_MOVW_ABS_NC   47
 100 #define R_ARM_THM_MOVT_ABS      48
 101 #define R_ARM_THM_MOVW_PREL_NC  49
 102 #define R_ARM_THM_MOVT_PREL     50
 103
 104 /* 96-111 are reserved to G++. */
 105 #define R_ARM_GNU_VTENTRY       100
 106 #define R_ARM_GNU_VTINHERIT     101
 107 #define R_ARM_THM_PC11          102
 108 #define R_ARM_THM_PC9           103
 109
 110 /* More TLS relocations */
 111 #define R_ARM_TLS_GD32          104     /* PC-rel 32 bit for global dynamic */
 112 #define R_ARM_TLS_LDM32         105     /* PC-rel 32 bit for local dynamic */
 113 #define R_ARM_TLS_LDO32         106     /* 32 bit offset relative to TLS */
 114 #define R_ARM_TLS_IE32          107     /* PC-rel 32 bit for GOT entry of */
 115 #define R_ARM_TLS_LE32          108
 116 #define R_ARM_TLS_LDO12         109
 117 #define R_ARM_TLS_LE12          110
 118 #define R_ARM_TLS_IE12GP        111
 119
 120 /* 112-127 are reserved for private experiments. */
 121
 122 #define R_ARM_RXPC25            249
 123 #define R_ARM_RSBREL32          250
 124 #define R_ARM_THM_RPC22         251
 125 #define R_ARM_RREL32            252
 126 #define R_ARM_RABS32            253
 127 #define R_ARM_RPC24             254
 128 #define R_ARM_RBASE             255
 129
 130 #define R_TYPE(name)            __CONCAT(R_ARM_,name)
 131
 132 /* Processor specific program header flags */
 133 #define PF_ARM_SB               0x10000000
 134 #define PF_ARM_PI               0x20000000
 135 #define PF_ARM_ENTRY            0x80000000
 136
 137 /* Processor specific program header types */
 138 #define PT_ARM_EXIDX            (PT_LOPROC + 1)
 139
 140 /* Processor specific section header flags */
 141 #define SHF_ENTRYSECT           0x10000000
 142 #define SHF_COMDEF              0x80000000
 143
 144 /* Processor specific symbol types */
 145 #define STT_ARM_TFUNC           STT_LOPROC
 146
 147 #ifdef _KERNEL
 148 #ifdef ELFSIZE
 149 #define ELF_MD_PROBE_FUNC       ELFNAME2(arm_netbsd,probe)
 150 #define ELF_MD_COREDUMP_SETUP   ELFNAME2(arm_netbsd,coredump_setup)
 151 #endif
 152
 153 struct exec_package;
 154
 155 int arm_netbsd_elf32_probe(struct lwp *, struct exec_package *, void *, char *,
 156         vaddr_t *);
 157 void arm_netbsd_elf32_coredump_setup(struct lwp *, void *);
 158 #endif
 159
 160 #endif /* _ARM_ELF_MACHDEP_H_ */