opcodes/mips-formats.h

   1 /* mips-formats.h
   2    Copyright (C) 2013-2023 Free Software Foundation, Inc.
   3
   4    This library is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3, or (at your option)
   7    any later version.
   8
   9    It is distributed in the hope that it will be useful, but WITHOUT
  10    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  12    License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; see the file COPYING3. If not,
  16    see <http://www.gnu.org/licenses/>.  */
  17
  18 /* For ARRAY_SIZE.  */
  19 #include "libiberty.h"
  20
  21 #define INT_BIAS(SIZE, LSB, MAX_VAL, BIAS, SHIFT, PRINT_HEX) \
  22   { \
  23     static const struct mips_int_operand op = { \
  24       { OP_INT, SIZE, LSB }, MAX_VAL, BIAS, SHIFT, PRINT_HEX \
  25     }; \
  26     return &op.root; \
  27   }
  28
  29 #define INT_ADJ(SIZE, LSB, MAX_VAL, SHIFT, PRINT_HEX) \
  30   INT_BIAS(SIZE, LSB, MAX_VAL, 0, SHIFT, PRINT_HEX)
  31
  32 #define UINT(SIZE, LSB) \
  33   INT_ADJ(SIZE, LSB, (1 << (SIZE)) - 1, 0, false)
  34
  35 #define SINT(SIZE, LSB) \
  36   INT_ADJ(SIZE, LSB, (1 << ((SIZE) - 1)) - 1, 0, false)
  37
  38 #define HINT(SIZE, LSB) \
  39   INT_ADJ(SIZE, LSB, (1 << (SIZE)) - 1, 0, true)
  40
  41 #define BIT(SIZE, LSB, BIAS) \
  42   { \
  43     static const struct mips_int_operand op = { \
  44       { OP_INT, SIZE, LSB }, (1 << (SIZE)) - 1, BIAS, 0, true \
  45     }; \
  46     return &op.root; \
  47   }
  48
  49 #define MAPPED_INT(SIZE, LSB, MAP, PRINT_HEX) \
  50   { \
  51     typedef char ATTRIBUTE_UNUSED \
  52       static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
  53     static const struct mips_mapped_int_operand op = { \
  54       { OP_MAPPED_INT, SIZE, LSB }, MAP, PRINT_HEX \
  55     }; \
  56     return &op.root; \
  57   }
  58
  59 #define MSB(SIZE, LSB, BIAS, ADD_LSB, OPSIZE) \
  60   { \
  61     static const struct mips_msb_operand op = { \
  62       { OP_MSB, SIZE, LSB }, BIAS, ADD_LSB, OPSIZE \
  63     }; \
  64     return &op.root; \
  65   }
  66
  67 #define REG(SIZE, LSB, BANK) \
  68   { \
  69     static const struct mips_reg_operand op = { \
  70       { OP_REG, SIZE, LSB }, OP_REG_##BANK, 0 \
  71     }; \
  72     return &op.root; \
  73   }
  74
  75 #define OPTIONAL_REG(SIZE, LSB, BANK) \
  76   { \
  77     static const struct mips_reg_operand op = { \
  78       { OP_OPTIONAL_REG, SIZE, LSB }, OP_REG_##BANK, 0 \
  79     }; \
  80     return &op.root; \
  81   }
  82
  83 #define MAPPED_REG(SIZE, LSB, BANK, MAP) \
  84   { \
  85     typedef char ATTRIBUTE_UNUSED \
  86       static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
  87     static const struct mips_reg_operand op = { \
  88       { OP_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
  89     }; \
  90     return &op.root; \
  91   }
  92
  93 #define OPTIONAL_MAPPED_REG(SIZE, LSB, BANK, MAP) \
  94   { \
  95     typedef char ATTRIBUTE_UNUSED \
  96       static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
  97     static const struct mips_reg_operand op = { \
  98       { OP_OPTIONAL_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
  99     }; \
 100     return &op.root; \
 101   }
 102
 103 #define REG_PAIR(SIZE, LSB, BANK, MAP) \
 104   { \
 105     typedef char ATTRIBUTE_UNUSED \
 106       static_assert1[(1 << (SIZE)) == ARRAY_SIZE (MAP##1)]; \
 107     typedef char ATTRIBUTE_UNUSED \
 108       static_assert2[(1 << (SIZE)) == ARRAY_SIZE (MAP##2)]; \
 109     static const struct mips_reg_pair_operand op = { \
 110       { OP_REG_PAIR, SIZE, LSB }, OP_REG_##BANK, MAP##1, MAP##2 \
 111     }; \
 112     return &op.root; \
 113   }
 114
 115 #define PCREL(SIZE, LSB, IS_SIGNED, SHIFT, ALIGN_LOG2, INCLUDE_ISA_BIT, \
 116               FLIP_ISA_BIT) \
 117   { \
 118     static const struct mips_pcrel_operand op = { \
 119       { { OP_PCREL, SIZE, LSB }, \
 120         (1 << ((SIZE) - (IS_SIGNED))) - 1, 0, SHIFT, true }, \
 121       ALIGN_LOG2, INCLUDE_ISA_BIT, FLIP_ISA_BIT \
 122     }; \
 123     return &op.root.root; \
 124   }
 125
 126 #define JUMP(SIZE, LSB, SHIFT) \
 127   PCREL (SIZE, LSB, false, SHIFT, SIZE + SHIFT, true, false)
 128
 129 #define JALX(SIZE, LSB, SHIFT) \
 130   PCREL (SIZE, LSB, false, SHIFT, SIZE + SHIFT, true, true)
 131
 132 #define BRANCH(SIZE, LSB, SHIFT) \
 133   PCREL (SIZE, LSB, true, SHIFT, 0, true, false)
 134
 135 #define SPECIAL(SIZE, LSB, TYPE) \
 136   { \
 137     static const struct mips_operand op = { OP_##TYPE, SIZE, LSB }; \
 138     return &op; \
 139   }
 140
 141 #define PREV_CHECK(SIZE, LSB, GT_OK, LT_OK, EQ_OK, ZERO_OK) \
 142   { \
 143     static const struct mips_check_prev_operand op = { \
 144       { OP_CHECK_PREV, SIZE, LSB }, GT_OK, LT_OK, EQ_OK, ZERO_OK \
 145     }; \
 146     return &op.root; \
 147   }