opcodes/mips-formats.h

   1 /* mips-formats.h
   2    Copyright 2013 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_ADJ(SIZE, LSB, MAX_VAL, SHIFT, PRINT_HEX) \
  22   { \
  23     static const struct mips_int_operand op = { \
  24       { OP_INT, SIZE, LSB }, MAX_VAL, 0, SHIFT, PRINT_HEX \
  25     }; \
  26     return &op.root; \
  27   }
  28
  29 #define UINT(SIZE, LSB) \
  30   INT_ADJ(SIZE, LSB, (1 << (SIZE)) - 1, 0, FALSE)
  31
  32 #define SINT(SIZE, LSB) \
  33   INT_ADJ(SIZE, LSB, (1 << ((SIZE) - 1)) - 1, 0, FALSE)
  34
  35 #define HINT(SIZE, LSB) \
  36   INT_ADJ(SIZE, LSB, (1 << (SIZE)) - 1, 0, TRUE)
  37
  38 #define BIT(SIZE, LSB, BIAS) \
  39   { \
  40     static const struct mips_int_operand op = { \
  41       { OP_INT, SIZE, LSB }, (1 << (SIZE)) - 1, BIAS, 0, TRUE \
  42     }; \
  43     return &op.root; \
  44   }
  45
  46 #define MAPPED_INT(SIZE, LSB, MAP, PRINT_HEX) \
  47   { \
  48     typedef char ATTRIBUTE_UNUSED \
  49       static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
  50     static const struct mips_mapped_int_operand op = { \
  51       { OP_MAPPED_INT, SIZE, LSB }, MAP, PRINT_HEX \
  52     }; \
  53     return &op.root; \
  54   }
  55
  56 #define MSB(SIZE, LSB, BIAS, ADD_LSB, OPSIZE) \
  57   { \
  58     static const struct mips_msb_operand op = { \
  59       { OP_MSB, SIZE, LSB }, BIAS, ADD_LSB, OPSIZE \
  60     }; \
  61     return &op.root; \
  62   }
  63
  64 #define REG(SIZE, LSB, BANK) \
  65   { \
  66     static const struct mips_reg_operand op = { \
  67       { OP_REG, SIZE, LSB }, OP_REG_##BANK, 0 \
  68     }; \
  69     return &op.root; \
  70   }
  71
  72 #define OPTIONAL_REG(SIZE, LSB, BANK) \
  73   { \
  74     static const struct mips_reg_operand op = { \
  75       { OP_OPTIONAL_REG, SIZE, LSB }, OP_REG_##BANK, 0 \
  76     }; \
  77     return &op.root; \
  78   }
  79
  80 #define MAPPED_REG(SIZE, LSB, BANK, MAP) \
  81   { \
  82     typedef char ATTRIBUTE_UNUSED \
  83       static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
  84     static const struct mips_reg_operand op = { \
  85       { OP_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
  86     }; \
  87     return &op.root; \
  88   }
  89
  90 #define OPTIONAL_MAPPED_REG(SIZE, LSB, BANK, MAP) \
  91   { \
  92     typedef char ATTRIBUTE_UNUSED \
  93       static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
  94     static const struct mips_reg_operand op = { \
  95       { OP_OPTIONAL_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
  96     }; \
  97     return &op.root; \
  98   }
  99
 100 #define REG_PAIR(SIZE, LSB, BANK, MAP) \
 101   { \
 102     typedef char ATTRIBUTE_UNUSED \
 103       static_assert1[(1 << (SIZE)) == ARRAY_SIZE (MAP##1)]; \
 104     typedef char ATTRIBUTE_UNUSED \
 105       static_assert2[(1 << (SIZE)) == ARRAY_SIZE (MAP##2)]; \
 106     static const struct mips_reg_pair_operand op = { \
 107       { OP_REG_PAIR, SIZE, LSB }, OP_REG_##BANK, MAP##1, MAP##2 \
 108     }; \
 109     return &op.root; \
 110   }
 111
 112 #define PCREL(SIZE, LSB, IS_SIGNED, SHIFT, ALIGN_LOG2, INCLUDE_ISA_BIT, \
 113               FLIP_ISA_BIT) \
 114   { \
 115     static const struct mips_pcrel_operand op = { \
 116       { { OP_PCREL, SIZE, LSB }, \
 117         (1 << ((SIZE) - (IS_SIGNED))) - 1, 0, SHIFT, TRUE }, \
 118       ALIGN_LOG2, INCLUDE_ISA_BIT, FLIP_ISA_BIT \
 119     }; \
 120     return &op.root.root; \
 121   }
 122
 123 #define JUMP(SIZE, LSB, SHIFT) \
 124   PCREL (SIZE, LSB, FALSE, SHIFT, SIZE + SHIFT, TRUE, FALSE)
 125
 126 #define JALX(SIZE, LSB, SHIFT) \
 127   PCREL (SIZE, LSB, FALSE, SHIFT, SIZE + SHIFT, TRUE, TRUE)
 128
 129 #define BRANCH(SIZE, LSB, SHIFT) \
 130   PCREL (SIZE, LSB, TRUE, SHIFT, 0, TRUE, FALSE)
 131
 132 #define SPECIAL(SIZE, LSB, TYPE) \
 133   { \
 134     static const struct mips_operand op = { OP_##TYPE, SIZE, LSB }; \
 135     return &op; \
 136   }