Retro68/binutils/opcodes/mips-formats.h

137 lines
3.9 KiB
C

/* mips-formats.h
Copyright 2013 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
It is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING3. If not,
see <http://www.gnu.org/licenses/>. */
/* For ARRAY_SIZE. */
#include "libiberty.h"
#define INT_ADJ(SIZE, LSB, MAX_VAL, SHIFT, PRINT_HEX) \
{ \
static const struct mips_int_operand op = { \
{ OP_INT, SIZE, LSB }, MAX_VAL, 0, SHIFT, PRINT_HEX \
}; \
return &op.root; \
}
#define UINT(SIZE, LSB) \
INT_ADJ(SIZE, LSB, (1 << (SIZE)) - 1, 0, FALSE)
#define SINT(SIZE, LSB) \
INT_ADJ(SIZE, LSB, (1 << ((SIZE) - 1)) - 1, 0, FALSE)
#define HINT(SIZE, LSB) \
INT_ADJ(SIZE, LSB, (1 << (SIZE)) - 1, 0, TRUE)
#define BIT(SIZE, LSB, BIAS) \
{ \
static const struct mips_int_operand op = { \
{ OP_INT, SIZE, LSB }, (1 << (SIZE)) - 1, BIAS, 0, TRUE \
}; \
return &op.root; \
}
#define MAPPED_INT(SIZE, LSB, MAP, PRINT_HEX) \
{ \
typedef char ATTRIBUTE_UNUSED \
static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
static const struct mips_mapped_int_operand op = { \
{ OP_MAPPED_INT, SIZE, LSB }, MAP, PRINT_HEX \
}; \
return &op.root; \
}
#define MSB(SIZE, LSB, BIAS, ADD_LSB, OPSIZE) \
{ \
static const struct mips_msb_operand op = { \
{ OP_MSB, SIZE, LSB }, BIAS, ADD_LSB, OPSIZE \
}; \
return &op.root; \
}
#define REG(SIZE, LSB, BANK) \
{ \
static const struct mips_reg_operand op = { \
{ OP_REG, SIZE, LSB }, OP_REG_##BANK, 0 \
}; \
return &op.root; \
}
#define OPTIONAL_REG(SIZE, LSB, BANK) \
{ \
static const struct mips_reg_operand op = { \
{ OP_OPTIONAL_REG, SIZE, LSB }, OP_REG_##BANK, 0 \
}; \
return &op.root; \
}
#define MAPPED_REG(SIZE, LSB, BANK, MAP) \
{ \
typedef char ATTRIBUTE_UNUSED \
static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
static const struct mips_reg_operand op = { \
{ OP_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
}; \
return &op.root; \
}
#define OPTIONAL_MAPPED_REG(SIZE, LSB, BANK, MAP) \
{ \
typedef char ATTRIBUTE_UNUSED \
static_assert[(1 << (SIZE)) == ARRAY_SIZE (MAP)]; \
static const struct mips_reg_operand op = { \
{ OP_OPTIONAL_REG, SIZE, LSB }, OP_REG_##BANK, MAP \
}; \
return &op.root; \
}
#define REG_PAIR(SIZE, LSB, BANK, MAP) \
{ \
typedef char ATTRIBUTE_UNUSED \
static_assert1[(1 << (SIZE)) == ARRAY_SIZE (MAP##1)]; \
typedef char ATTRIBUTE_UNUSED \
static_assert2[(1 << (SIZE)) == ARRAY_SIZE (MAP##2)]; \
static const struct mips_reg_pair_operand op = { \
{ OP_REG_PAIR, SIZE, LSB }, OP_REG_##BANK, MAP##1, MAP##2 \
}; \
return &op.root; \
}
#define PCREL(SIZE, LSB, IS_SIGNED, SHIFT, ALIGN_LOG2, INCLUDE_ISA_BIT, \
FLIP_ISA_BIT) \
{ \
static const struct mips_pcrel_operand op = { \
{ { OP_PCREL, SIZE, LSB }, \
(1 << ((SIZE) - (IS_SIGNED))) - 1, 0, SHIFT, TRUE }, \
ALIGN_LOG2, INCLUDE_ISA_BIT, FLIP_ISA_BIT \
}; \
return &op.root.root; \
}
#define JUMP(SIZE, LSB, SHIFT) \
PCREL (SIZE, LSB, FALSE, SHIFT, SIZE + SHIFT, TRUE, FALSE)
#define JALX(SIZE, LSB, SHIFT) \
PCREL (SIZE, LSB, FALSE, SHIFT, SIZE + SHIFT, TRUE, TRUE)
#define BRANCH(SIZE, LSB, SHIFT) \
PCREL (SIZE, LSB, TRUE, SHIFT, 0, TRUE, FALSE)
#define SPECIAL(SIZE, LSB, TYPE) \
{ \
static const struct mips_operand op = { OP_##TYPE, SIZE, LSB }; \
return &op; \
}