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authorRichard Sandiford <rdsandiford@googlemail.com>2013-07-14 13:28:56 +0000
committerRichard Sandiford <rdsandiford@googlemail.com>2013-07-14 13:28:56 +0000
commitab90248154ba05dc800c480712c3cb03eb33b135 (patch)
tree111a36595f3d3ad10b07a5fc1b7c6a443ac757a0 /opcodes/mips-formats.h
parent2f8b73cc2b2dd77e0f4cc772262c9ae0092d4e14 (diff)
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include/opcode/
* mips.h (mips_operand_type, mips_reg_operand_type): New enums. (mips_operand, mips_int_operand, mips_mapped_int_operand) (mips_msb_operand, mips_reg_operand, mips_reg_pair_operand) (mips_pcrel_operand): New structures. (mips_insert_operand, mips_extract_operand, mips_signed_operand) (mips_decode_int_operand, mips_decode_pcrel_operand): New functions. (decode_mips_operand, decode_micromips_operand): Declare. opcodes/ * mips-formats.h: New file. * mips-opc.c: Include mips-formats.h. (reg_0_map): New static array. (decode_mips_operand): New function. * micromips-opc.c: Remove <stdio.h> include. Include mips-formats.h. (reg_0_map, reg_28_map, reg_29_map, reg_31_map, reg_m16_map) (reg_mn_map, reg_q_map, reg_h_map1, reg_h_map2, int_b_map) (int_c_map): New static arrays. (decode_micromips_operand): New function. * mips-dis.c (micromips_to_32_reg_b_map, micromips_to_32_reg_c_map) (micromips_to_32_reg_d_map, micromips_to_32_reg_e_map) (micromips_to_32_reg_f_map, micromips_to_32_reg_g_map) (micromips_to_32_reg_h_map1, micromips_to_32_reg_h_map2) (micromips_to_32_reg_l_map, micromips_to_32_reg_m_map) (micromips_to_32_reg_n_map, micromips_to_32_reg_q_map) (micromips_imm_b_map, micromips_imm_c_map): Delete. (print_reg): New function. (mips_print_arg_state): New structure. (init_print_arg_state, print_insn_arg): New functions. (print_insn_args): Change interface and use mips_operand structures. Delete GET_OP_S. Move GET_OP definition to... (print_insn_mips): ...here. Update the call to print_insn_args. (print_insn_micromips): Use print_insn_args. gas/ * config/tc-mips.c (validate_mips_insn): Move further up file. Add insn_bits and decode_operand arguments. Use the mips_operand fields to work out which bits an operand occupies. Detect double definitions. (validate_micromips_insn): Move further up file. Call into validate_mips_insn.
Diffstat (limited to 'opcodes/mips-formats.h')
-rw-r--r--opcodes/mips-formats.h113
1 files changed, 113 insertions, 0 deletions
diff --git a/opcodes/mips-formats.h b/opcodes/mips-formats.h
new file mode 100644
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--- /dev/null
+++ b/opcodes/mips-formats.h
@@ -0,0 +1,113 @@
+/* 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 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 MAPPED_REG(SIZE, LSB, BANK, MAP) \
+ { \
+ typedef char 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 REG_PAIR(SIZE, LSB, BANK, MAP) \
+ { \
+ typedef char static_assert1[(1 << (SIZE)) == ARRAY_SIZE (MAP##1)]; \
+ typedef char 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, ALIGN_LOG2, SHIFT, IS_SIGNED, INCLUDE_ISA_BIT, \
+ FLIP_ISA_BIT) \
+ { \
+ static const struct mips_pcrel_operand op = { \
+ { OP_PCREL, SIZE, LSB }, ALIGN_LOG2, SHIFT, IS_SIGNED, \
+ INCLUDE_ISA_BIT, FLIP_ISA_BIT \
+ }; \
+ return &op.root; \
+ }
+
+#define JUMP(SIZE, LSB, SHIFT) \
+ PCREL (SIZE, LSB, SIZE + SHIFT, SHIFT, FALSE, TRUE, FALSE)
+
+#define JALX(SIZE, LSB, SHIFT) \
+ PCREL (SIZE, LSB, SIZE + SHIFT, SHIFT, FALSE, TRUE, TRUE)
+
+#define BRANCH(SIZE, LSB, SHIFT) \
+ PCREL (SIZE, LSB, 0, SHIFT, TRUE, TRUE, FALSE)
+
+#define SPECIAL(SIZE, LSB, TYPE) \
+ { \
+ static const struct mips_operand op = { OP_##TYPE, SIZE, LSB }; \
+ return &op; \
+ }