include/elf/loongarch.h

   1 /* Copyright (C) 2021 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
  42 /* Reserved for future relocs that the dynamic linker must understand.  */
  43
  44 /* Used by the static linker for relocating .text.  */
  45 RELOC_NUMBER (R_LARCH_MARK_LA, 20)
  46 RELOC_NUMBER (R_LARCH_MARK_PCREL, 21)
  47
  48 RELOC_NUMBER (R_LARCH_SOP_PUSH_PCREL, 22)
  49
  50 RELOC_NUMBER (R_LARCH_SOP_PUSH_ABSOLUTE, 23)
  51
  52 RELOC_NUMBER (R_LARCH_SOP_PUSH_DUP, 24)
  53 RELOC_NUMBER (R_LARCH_SOP_PUSH_GPREL, 25)
  54 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_TPREL, 26)
  55 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GOT, 27)
  56 RELOC_NUMBER (R_LARCH_SOP_PUSH_TLS_GD, 28)
  57 RELOC_NUMBER (R_LARCH_SOP_PUSH_PLT_PCREL, 29)
  58
  59 RELOC_NUMBER (R_LARCH_SOP_ASSERT, 30)
  60 RELOC_NUMBER (R_LARCH_SOP_NOT, 31)
  61 RELOC_NUMBER (R_LARCH_SOP_SUB, 32)
  62 RELOC_NUMBER (R_LARCH_SOP_SL, 33)
  63 RELOC_NUMBER (R_LARCH_SOP_SR, 34)
  64 RELOC_NUMBER (R_LARCH_SOP_ADD, 35)
  65 RELOC_NUMBER (R_LARCH_SOP_AND, 36)
  66 RELOC_NUMBER (R_LARCH_SOP_IF_ELSE, 37)
  67 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_5, 38)
  68 RELOC_NUMBER (R_LARCH_SOP_POP_32_U_10_12, 39)
  69 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_12, 40)
  70 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16, 41)
  71 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_10_16_S2, 42)
  72 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_5_20, 43)
  73 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_5_10_16_S2, 44)
  74 RELOC_NUMBER (R_LARCH_SOP_POP_32_S_0_10_10_16_S2, 45)
  75 RELOC_NUMBER (R_LARCH_SOP_POP_32_U, 46)
  76
  77 /* Used by the static linker for relocating non .text.  */
  78 RELOC_NUMBER (R_LARCH_ADD8, 47)
  79 RELOC_NUMBER (R_LARCH_ADD16, 48)
  80 RELOC_NUMBER (R_LARCH_ADD24, 49)
  81 RELOC_NUMBER (R_LARCH_ADD32, 50)
  82 RELOC_NUMBER (R_LARCH_ADD64, 51)
  83 RELOC_NUMBER (R_LARCH_SUB8, 52)
  84 RELOC_NUMBER (R_LARCH_SUB16, 53)
  85 RELOC_NUMBER (R_LARCH_SUB24, 54)
  86 RELOC_NUMBER (R_LARCH_SUB32, 55)
  87 RELOC_NUMBER (R_LARCH_SUB64, 56)
  88
  89 /* I don't know what it is.  Existing in almost all other arch.  */
  90 RELOC_NUMBER (R_LARCH_GNU_VTINHERIT, 57)
  91 RELOC_NUMBER (R_LARCH_GNU_VTENTRY, 58)
  92
  93 END_RELOC_NUMBERS (R_LARCH_count)
  94
  95 /* Processor specific flags for the ELF header e_flags field.  */
  96 #define EF_LOONGARCH_ABI_ILP32      0b01
  97 #define EF_LOONGARCH_ABI_LP64       0b11
  98 #define EF_LOONGARCH_ABI_MASK       0b11
  99
 100 #define EF_LOONGARCH_FLOAT_ABI_SOFT    0b001100
 101 #define EF_LOONGARCH_FLOAT_ABI_SINGLE  0b001000
 102 #define EF_LOONGARCH_FLOAT_ABI_DOUBLE  0b000000
 103 #define EF_LOONGARCH_FLOAT_ABI_MASK    0b111100
 104
 105 #define EF_LOONGARCH_IS_LP64(abi) \
 106   ((abi & EF_LOONGARCH_ABI_MASK) == EF_LOONGARCH_ABI_LP64)
 107 #define EF_LOONGARCH_IS_ILP32(abi) \
 108   ((abi & EF_LOONGARCH_ABI_MASK) == EF_LOONGARCH_ABI_ILP32)
 109
 110 #define EF_LOONGARCH_IS_SOFT_FLOAT(abi) \
 111   ((abi & EF_LOONGARCH_FLOAT_ABI_MASK) == EF_LOONGARCH_FLOAT_ABI_SOFT)
 112 #define EF_LOONGARCH_IS_SINGLE_FLOAT(abi) \
 113   ((abi & EF_LOONGARCH_FLOAT_ABI_MASK) == EF_LOONGARCH_FLOAT_ABI_SINGLE)
 114 #define EF_LOONGARCH_IS_DOUBLE_FLOAT(abi) \
 115   ((abi & EF_LOONGARCH_FLOAT_ABI_MASK) == EF_LOONGARCH_FLOAT_ABI_DOUBLE)
 116
 117 #define EF_LOONGARCH_ABI (EF_LOONGARCH_ABI_MASK | EF_LOONGARCH_FLOAT_ABI_MASK)
 118
 119 #endif /* _ELF_LOONGARCH_H */