include/elf/loongarch.h

   1 /* Copyright (C) 2021-2024 Free Software Foundation, Inc.
   2    Contributed by Loongson Ltd.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the license, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; see the file COPYING3.  If not,
  18    see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef _ELF_LOONGARCH_H
  21 #define _ELF_LOONGARCH_H
  22
  23 #include "elf/reloc-macros.h"
  24 #include "libiberty.h"
  25
  26 START_RELOC_NUMBERS (elf_loongarch_reloc_type)
  27 /* Used by the dynamic linker.  */
  28 RELOC_NUMBER (R_LARCH_NONE, 0)
  29 RELOC_NUMBER (R_LARCH_32, 1)
  30 RELOC_NUMBER (R_LARCH_64, 2)
  31 RELOC_NUMBER (R_LARCH_RELATIVE, 3)
  32 RELOC_NUMBER (R_LARCH_COPY, 4)
  33 RELOC_NUMBER (R_LARCH_JUMP_SLOT, 5)
  34 RELOC_NUMBER (R_LARCH_TLS_DTPMOD32, 6)
  35 RELOC_NUMBER (R_LARCH_TLS_DTPMOD64, 7)
  36 RELOC_NUMBER (R_LARCH_TLS_DTPREL32, 8)
  37 RELOC_NUMBER (R_LARCH_TLS_DTPREL64, 9)
  38 RELOC_NUMBER (R_LARCH_TLS_TPREL32, 10)
  39 RELOC_NUMBER (R_LARCH_TLS_TPREL64, 11)
  40 RELOC_NUMBER (R_LARCH_IRELATIVE, 12)
  41 RELOC_NUMBER (R_LARCH_TLS_DESC32, 13)
  42 RELOC_NUMBER (R_LARCH_TLS_DESC64, 14)
  43 /* Reserved for future relocs that the dynamic linker must understand.  */
  44
  45 /* Used by the static linker for relocating .text.  */
  46 RELOC_NUMBER (R_LARCH_MARK_LA, 20)
  47 RELOC_NUMBER (R_LARCH_MARK_PCREL, 21)
  48
  49 RELOC_NUMBER (R_LARCH_SOP_PUSH_PCREL, 22)
  50
  51 RELOC_NUMBER (R_LARCH_SOP_PUSH_ABSOLUTE, 23)
  52
  53 RELOC_NUMBER (R_LARCH_SOP_PUSH_DUP, 24)
  54 RELOC_NUMBER (R_LARCH_SOP_PUSH_GPREL, 25)
  55 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_TPREL, 26)
  56 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GOT, 27)
  57 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GD, 28)
  58 RELOC_NUMBER (R_LARCH_SOP_PUSH_PLT_PCREL, 29)
  59
  60 RELOC_NUMBER (R_LARCH_SOP_ASSERT, 30)
  61 RELOC_NUMBER (R_LARCH_SOP_NOT, 31)
  62 RELOC_NUMBER (R_LARCH_SOP_SUB, 32)
  63 RELOC_NUMBER (R_LARCH_SOP_SL, 33)
  64 RELOC_NUMBER (R_LARCH_SOP_SR, 34)
  65 RELOC_NUMBER (R_LARCH_SOP_ADD, 35)
  66 RELOC_NUMBER (R_LARCH_SOP_AND, 36)
  67 RELOC_NUMBER (R_LARCH_SOP_IF_ELSE, 37)
  68 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_5, 38)
  69 RELOC_NUMBER (R_LARCH_SOP_POP_32_U_10_12, 39)
  70 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_12, 40)
  71 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16, 41)
  72 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16_S2, 42)
  73 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_5_20, 43)
  74 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_5_10_16_S2, 44)
  75 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_10_10_16_S2, 45)
  76 RELOC_NUMBER (R_LARCH_SOP_POP_32_U, 46)
  77
  78 /* Used by the static linker for relocating non .text.  */
  79 RELOC_NUMBER (R_LARCH_ADD8, 47)
  80 RELOC_NUMBER (R_LARCH_ADD16, 48)
  81 RELOC_NUMBER (R_LARCH_ADD24, 49)
  82 RELOC_NUMBER (R_LARCH_ADD32, 50)
  83 RELOC_NUMBER (R_LARCH_ADD64, 51)
  84 RELOC_NUMBER (R_LARCH_SUB8, 52)
  85 RELOC_NUMBER (R_LARCH_SUB16, 53)
  86 RELOC_NUMBER (R_LARCH_SUB24, 54)
  87 RELOC_NUMBER (R_LARCH_SUB32, 55)
  88 RELOC_NUMBER (R_LARCH_SUB64, 56)
  89
  90 /* I don't know what it is.  Existing in almost all other arch.  */
  91 RELOC_NUMBER (R_LARCH_GNU_VTINHERIT, 57)
  92 RELOC_NUMBER (R_LARCH_GNU_VTENTRY, 58)
  93
  94
  95 /* B16:
  96    beq/bne/blt/bge/bltu/bgeu/jirl
  97    %b16 (sym).  */
  98 RELOC_NUMBER (R_LARCH_B16, 64)
  99 /* B21:
 100    beqz/bnez
 101    %b16 (sym).  */
 102 RELOC_NUMBER (R_LARCH_B21, 65)
 103 /* B26:
 104    b/bl
 105    %b26 (sym) or %plt (sym).  */
 106 RELOC_NUMBER (R_LARCH_B26, 66)
 107
 108 /* ABS: 32/64
 109    lu12i.w
 110    %abs_hi20 (sym).  */
 111 RELOC_NUMBER (R_LARCH_ABS_HI20, 67)
 112 /* ABS: 32/64
 113    ori
 114    %abs_lo12 (sym).  */
 115 RELOC_NUMBER (R_LARCH_ABS_LO12, 68)
 116
 117 /* ABS: 64
 118    lu32i.d
 119    %abs64_lo20 (sym).  */
 120 RELOC_NUMBER (R_LARCH_ABS64_LO20, 69)
 121 /* ABS: 64
 122    lu52i.d
 123    %abs64_hi12 (sym).  */
 124 RELOC_NUMBER (R_LARCH_ABS64_HI12, 70)
 125
 126 /* PCREL: 32/64
 127    pcalau12i
 128    %pc_hi20 (sym).  */
 129 RELOC_NUMBER (R_LARCH_PCALA_HI20, 71)
 130 /* PCREL: 32/64
 131    addi.w/addi.d
 132    %pc_lo12 (sym).  */
 133 RELOC_NUMBER (R_LARCH_PCALA_LO12, 72)
 134 /* PCREL: 64
 135    lu32i.d
 136    %pc64_lo20 (sym).  */
 137 RELOC_NUMBER (R_LARCH_PCALA64_LO20, 73)
 138 /* PCREL: 64
 139    lu52i.d
 140    %pc64_hi12 (sym).  */
 141 RELOC_NUMBER (R_LARCH_PCALA64_HI12, 74)
 142
 143 /* GOT: 32/64
 144    pcalau12i
 145    %got_pc_hi20 (got).  */
 146 RELOC_NUMBER (R_LARCH_GOT_PC_HI20, 75)
 147 /* GOT: 32/64
 148    ld.w/ld.d
 149    %got_pc_lo12 (got).  */
 150 RELOC_NUMBER (R_LARCH_GOT_PC_LO12, 76)
 151 /* GOT: 32/64
 152    lu32i.d
 153    %got_pc_lo12 (got).  */
 154 RELOC_NUMBER (R_LARCH_GOT64_PC_LO20, 77)
 155 /* GOT64: PCREL
 156    lu52i.d
 157    %got64_pc_hi12 (got).  */
 158 RELOC_NUMBER (R_LARCH_GOT64_PC_HI12, 78)
 159 /* GOT32/64: ABS
 160    lu12i.w
 161    %got_hi20 (got).  */
 162 RELOC_NUMBER (R_LARCH_GOT_HI20, 79)
 163 /* GOT: 32/64: ABS
 164    ori
 165    %got_lo12 (got).  */
 166 RELOC_NUMBER (R_LARCH_GOT_LO12, 80)
 167 /* GOT64: ABS
 168    lu32i.d
 169    %got64_lo20 (got).  */
 170 RELOC_NUMBER (R_LARCH_GOT64_LO20, 81)
 171 /* GOT64: ABS
 172    lu52i.d
 173    %got64_hi12 (got).  */
 174 RELOC_NUMBER (R_LARCH_GOT64_HI12, 82)
 175
 176 /* TLS-LE: 32/64
 177    lu12i.w
 178    %le_hi20 (sym).  */
 179 RELOC_NUMBER (R_LARCH_TLS_LE_HI20, 83)
 180 /* TLS-LE: 32/64
 181    ori
 182    %le_lo12 (sym).  */
 183 RELOC_NUMBER (R_LARCH_TLS_LE_LO12, 84)
 184 /* TLS-LE: 64
 185    lu32i.d
 186    %le64_lo20 (sym).  */
 187 RELOC_NUMBER (R_LARCH_TLS_LE64_LO20, 85)
 188 /* TLS-LE: 64
 189    lu52i.d
 190    %le64_hi12 (sym).  */
 191 RELOC_NUMBER (R_LARCH_TLS_LE64_HI12, 86)
 192
 193 /* TLS-IE: 32/64
 194    pcalau12i
 195    %ie_pc_hi20 (sym).  */
 196 RELOC_NUMBER (R_LARCH_TLS_IE_PC_HI20, 87)
 197 RELOC_NUMBER (R_LARCH_TLS_IE_PC_LO12, 88)
 198 RELOC_NUMBER (R_LARCH_TLS_IE64_PC_LO20, 89)
 199 RELOC_NUMBER (R_LARCH_TLS_IE64_PC_HI12, 90)
 200
 201 /* TLS-IE: 32/64: ABS
 202    lu12i.w
 203    %ie_hi20 (sym).  */
 204 RELOC_NUMBER (R_LARCH_TLS_IE_HI20, 91)
 205 RELOC_NUMBER (R_LARCH_TLS_IE_LO12, 92)
 206 RELOC_NUMBER (R_LARCH_TLS_IE64_LO20, 93)
 207 RELOC_NUMBER (R_LARCH_TLS_IE64_HI12, 94)
 208
 209 /* TLS-LD: 32/64
 210    pcalau12i
 211    %ld_pc_hi20 (sym).  */
 212 RELOC_NUMBER (R_LARCH_TLS_LD_PC_HI20, 95)
 213 /* TLS-LD: 32/64: ABS
 214    lu12i.w
 215    %ld_hi20 (sym).  */
 216 RELOC_NUMBER (R_LARCH_TLS_LD_HI20, 96)
 217
 218 /* TLS-GD: 32/64
 219    pcalau12i
 220    %gd_pc_hi20 (sym).  */
 221 RELOC_NUMBER (R_LARCH_TLS_GD_PC_HI20, 97)
 222 /* TLS-GD: 32/64: ABS
 223    lu12i.w
 224    %gd_hi20 (sym).  */
 225 RELOC_NUMBER (R_LARCH_TLS_GD_HI20, 98)
 226
 227 /* For eh_frame and debug info.  */
 228 RELOC_NUMBER (R_LARCH_32_PCREL, 99)
 229
 230 /* RELAX.  */
 231 RELOC_NUMBER (R_LARCH_RELAX, 100)
 232
 233 /* relax delete.  */
 234 RELOC_NUMBER (R_LARCH_DELETE, 101)
 235
 236 /* relax align.  */
 237 RELOC_NUMBER (R_LARCH_ALIGN, 102)
 238
 239 /* pcaddi.  */
 240 RELOC_NUMBER (R_LARCH_PCREL20_S2, 103)
 241
 242 /* cfa.  */
 243 RELOC_NUMBER (R_LARCH_CFA, 104)
 244
 245 /* DW_CFA_advance_loc.  */
 246 RELOC_NUMBER (R_LARCH_ADD6, 105)
 247 RELOC_NUMBER (R_LARCH_SUB6, 106)
 248
 249 /* unsigned leb128.  */
 250 RELOC_NUMBER (R_LARCH_ADD_ULEB128, 107)
 251 RELOC_NUMBER (R_LARCH_SUB_ULEB128, 108)
 252
 253 RELOC_NUMBER (R_LARCH_64_PCREL, 109)
 254
 255 RELOC_NUMBER (R_LARCH_CALL36, 110)
 256
 257 /* TLS_DESC PCREL.  */
 258 RELOC_NUMBER (R_LARCH_TLS_DESC_PC_HI20, 111)
 259 RELOC_NUMBER (R_LARCH_TLS_DESC_PC_LO12, 112)
 260
 261 /* TLS_DESC LARGE PCREL.  */
 262 RELOC_NUMBER (R_LARCH_TLS_DESC64_PC_LO20, 113)
 263 RELOC_NUMBER (R_LARCH_TLS_DESC64_PC_HI12, 114)
 264
 265 /* TLS_DESC ABS.  */
 266 RELOC_NUMBER (R_LARCH_TLS_DESC_HI20, 115)
 267 RELOC_NUMBER (R_LARCH_TLS_DESC_LO12, 116)
 268
 269 /* TLSDESC LARGE ABS.  */
 270 RELOC_NUMBER (R_LARCH_TLS_DESC64_LO20, 117)
 271 RELOC_NUMBER (R_LARCH_TLS_DESC64_HI12, 118)
 272
 273 RELOC_NUMBER (R_LARCH_TLS_DESC_LD, 119)
 274 RELOC_NUMBER (R_LARCH_TLS_DESC_CALL, 120)
 275
 276 /* TLS-LE-LUI
 277    lu12i.w rd,%le_hi20_r (sym).  */
 278 RELOC_NUMBER (R_LARCH_TLS_LE_HI20_R, 121)
 279
 280 /* TLS-LE-ADD
 281    add.d   rd,rj,rk,%le_add_r (sym).  */
 282 RELOC_NUMBER (R_LARCH_TLS_LE_ADD_R, 122)
 283
 284 /* TLS-LE-ST
 285    st.w/addi.w/ld.w rd,rj,%le_lo12_r (sym).  */
 286 RELOC_NUMBER (R_LARCH_TLS_LE_LO12_R, 123)
 287
 288 RELOC_NUMBER (R_LARCH_TLS_LD_PCREL20_S2, 124)
 289 RELOC_NUMBER (R_LARCH_TLS_GD_PCREL20_S2, 125)
 290 RELOC_NUMBER (R_LARCH_TLS_DESC_PCREL20_S2, 126)
 291
 292 END_RELOC_NUMBERS (R_LARCH_count)
 293
 294 /* Processor specific flags for the ELF header e_flags field.  */
 295 /* Base ABI modifier, 3bits.  */
 296 #define EF_LOONGARCH_ABI_SOFT_FLOAT     0x1
 297 #define EF_LOONGARCH_ABI_SINGLE_FLOAT   0x2
 298 #define EF_LOONGARCH_ABI_DOUBLE_FLOAT   0x3
 299 #define EF_LOONGARCH_ABI_MODIFIER_MASK  0x7
 300
 301 #define EF_LOONGARCH_OBJABI_V1          0x40
 302 #define EF_LOONGARCH_OBJABI_MASK        0xC0
 303
 304 #define EF_LOONGARCH_ABI_MASK \
 305       (EF_LOONGARCH_OBJABI_MASK | EF_LOONGARCH_ABI_MODIFIER_MASK)
 306
 307 #define EF_LOONGARCH_ABI_MODIFIER(abi) \
 308       (EF_LOONGARCH_ABI_MODIFIER_MASK & (abi))
 309 #define EF_LOONGARCH_OBJABI(abi) \
 310       (EF_LOONGARCH_OBJABI_MASK & (abi))
 311
 312 #define EF_LOONGARCH_ABI(abi) ((abi) & EF_LOONGARCH_ABI_MASK)
 313
 314 #define EF_LOONGARCH_IS_SOFT_FLOAT(abi) \
 315   (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_SOFT_FLOAT)
 316 #define EF_LOONGARCH_IS_SINGLE_FLOAT(abi) \
 317   (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_SINGLE_FLOAT)
 318 #define EF_LOONGARCH_IS_DOUBLE_FLOAT(abi) \
 319   (EF_LOONGARCH_ABI_MODIFIER (abi) == EF_LOONGARCH_ABI_DOUBLE_FLOAT)
 320
 321 #define EF_LOONGARCH_IS_OBJ_V0(abi) (!EF_LOONGARCH_OBJABI (abi))
 322 #define EF_LOONGARCH_IS_OBJ_V1(abi) \
 323       (EF_LOONGARCH_OBJABI (abi) == EF_LOONGARCH_OBJABI_V1)
 324
 325 #endif /* _ELF_LOONGARCH_H */