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[deliverable/binutils-gdb.git] / include / opcode / v850.h
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252b5132 1/* v850.h -- Header file for NEC V850 opcode table
6f2750fe 2 Copyright (C) 1996-2016 Free Software Foundation, Inc.
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3 Written by J.T. Conklin, Cygnus Support
4
e4e42b45 5 This file is part of GDB, GAS, and the GNU binutils.
252b5132 6
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7 GDB, GAS, and the GNU binutils are free software; you can redistribute
8 them and/or modify them under the terms of the GNU General Public
9 License as published by the Free Software Foundation; either version 3,
10 or (at your option) any later version.
252b5132 11
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12 GDB, GAS, and the GNU binutils are distributed in the hope that they
13 will be useful, but WITHOUT ANY WARRANTY; without even the implied
14 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15 the GNU General Public License for more details.
252b5132 16
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17 You should have received a copy of the GNU General Public License
18 along with this file; see the file COPYING3. If not, write to the Free
19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
20 MA 02110-1301, USA. */
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21
22#ifndef V850_H
23#define V850_H
24
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25#ifdef __cplusplus
26extern "C" {
27#endif
28
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29/* The opcode table is an array of struct v850_opcode. */
30
31struct v850_opcode
32{
33 /* The opcode name. */
34 const char *name;
35
36 /* The opcode itself. Those bits which will be filled in with
37 operands are zeroes. */
38 unsigned long opcode;
39
40 /* The opcode mask. This is used by the disassembler. This is a
41 mask containing ones indicating those bits which must match the
42 opcode field, and zeroes indicating those bits which need not
43 match (and are presumably filled in by operands). */
44 unsigned long mask;
45
46 /* An array of operand codes. Each code is an index into the
47 operand table. They appear in the order which the operands must
48 appear in assembly code, and are terminated by a zero. */
49 unsigned char operands[8];
50
51 /* Which (if any) operand is a memory operand. */
52 unsigned int memop;
53
54 /* Target processor(s). A bit field of processors which support
55 this instruction. Note a bit field is used as some instructions
56 are available on multiple, different processor types, whereas
57 other instructions are only available on one specific type. */
58 unsigned int processors;
59};
60
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61/* Values for architecture number. */
62#define arch_V850 0
63#define arch_V850E (arch_V850 + 1)
64#define arch_V850E1 (arch_V850E + 1)
65#define arch_V850E2 (arch_V850E1 + 1)
66#define arch_V850E2V3 (arch_V850E2 + 1)
67#define arch_V850E3V5 (arch_V850E2V3 + 1)
68#define arch_separator (arch_V850E3V5 + 1)
69
70#define opt_EXTENSION (arch_separator)
71#define opt_ALIAS (opt_EXTENSION + 1)
72
252b5132 73/* Values for the processors field in the v850_opcode structure. */
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74#define PROCESSOR_V850 (1 << (arch_V850)) /* Just the V850. */
75#define PROCESSOR_V850E (1 << (arch_V850E)) /* Just the V850E. */
76#define PROCESSOR_V850E1 (1 << (arch_V850E1)) /* Just the V850E1. */
77#define PROCESSOR_V850E2 (1 << (arch_V850E2)) /* Just the V850E2. */
78#define PROCESSOR_V850E2V3 (1 << (arch_V850E2V3)) /* Just the V850E2V3. */
79#define PROCESSOR_V850E3V5 (1 << (arch_V850E3V5)) /* Just the V850E3V5. */
80
81/* UPPERS */
82#define PROCESSOR_V850E3V5_UP (PROCESSOR_V850E3V5)
83#define PROCESSOR_V850E2V3_UP (PROCESSOR_V850E2V3 | PROCESSOR_V850E3V5_UP)
84#define PROCESSOR_V850E2_UP (PROCESSOR_V850E2 | PROCESSOR_V850E2V3_UP)
85#define PROCESSOR_V850E_UP (PROCESSOR_V850E | PROCESSOR_V850E1 | PROCESSOR_V850E2_UP)
86#define PROCESSOR_ALL (PROCESSOR_V850 | PROCESSOR_V850E_UP)
87
88#define PROCESSOR_MASK (PROCESSOR_ALL)
89#define PROCESSOR_NOT_V850 (PROCESSOR_ALL & (~ PROCESSOR_V850)) /* Any processor except the V850. */
90
91#define PROCESSOR_UNKNOWN ~(PROCESSOR_MASK)
92
93/* OPTIONS */
94#define PROCESSOR_OPTION_EXTENSION (1 << (opt_EXTENSION)) /* Enable extension opcodes. */
95#define PROCESSOR_OPTION_ALIAS (1 << (opt_ALIAS)) /* Enable alias opcodes. */
96
1cd986c5 97#define SET_PROCESSOR_MASK(mask,set) ((mask) = ((mask) & ~PROCESSOR_MASK) | (set))
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98
99/* The table itself is sorted by major opcode number, and is otherwise
100 in the order in which the disassembler should consider
101 instructions. */
102extern const struct v850_opcode v850_opcodes[];
103extern const int v850_num_opcodes;
104
105\f
106/* The operands table is an array of struct v850_operand. */
107
108struct v850_operand
109{
110 /* The number of bits in the operand. */
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111 /* If this value is -1 then the operand's bits are in a discontinous
112 distribution in the instruction. */
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113 int bits;
114
115 /* (bits >= 0): How far the operand is left shifted in the instruction. */
116 /* (bits == -1): Bit mask of the bits in the operand. */
117 int shift;
118
119 /* Insertion function. This is used by the assembler. To insert an
120 operand value into an instruction, check this field.
121
122 If it is NULL, execute
123 i |= (op & ((1 << o->bits) - 1)) << o->shift;
124 (i is the instruction which we are filling in, o is a pointer to
125 this structure, and op is the opcode value; this assumes twos
126 complement arithmetic).
127
128 If this field is not NULL, then simply call it with the
129 instruction and the operand value. It will return the new value
130 of the instruction. If the ERRMSG argument is not NULL, then if
131 the operand value is illegal, *ERRMSG will be set to a warning
132 string (the operand will be inserted in any case). If the
133 operand value is legal, *ERRMSG will be unchanged (most operands
134 can accept any value). */
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135 unsigned long (* insert)
136 (unsigned long instruction, long op, const char ** errmsg);
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137
138 /* Extraction function. This is used by the disassembler. To
139 extract this operand type from an instruction, check this field.
140
141 If it is NULL, compute
142 op = o->bits == -1 ? ((i) & o->shift) : ((i) >> o->shift) & ((1 << o->bits) - 1);
143 if (o->flags & V850_OPERAND_SIGNED)
144 op = (op << (32 - o->bits)) >> (32 - o->bits);
145 (i is the instruction, o is a pointer to this structure, and op
146 is the result; this assumes twos complement arithmetic).
147
148 If this field is not NULL, then simply call it with the
149 instruction value. It will return the value of the operand. If
150 the INVALID argument is not NULL, *INVALID will be set to
151 non-zero if this operand type can not actually be extracted from
152 this operand (i.e., the instruction does not match). If the
153 operand is valid, *INVALID will not be changed. */
8cf3f354 154 unsigned long (* extract) (unsigned long instruction, int * invalid);
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155
156 /* One bit syntax flags. */
157 int flags;
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158
159 int default_reloc;
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160};
161
162/* Elements in the table are retrieved by indexing with values from
163 the operands field of the v850_opcodes table. */
164
165extern const struct v850_operand v850_operands[];
166
167/* Values defined for the flags field of a struct v850_operand. */
168
1cd986c5 169/* This operand names a general purpose register. */
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170#define V850_OPERAND_REG 0x01
171
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172/* This operand is the ep register. */
173#define V850_OPERAND_EP 0x02
252b5132 174
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175/* This operand names a system register. */
176#define V850_OPERAND_SRG 0x04
252b5132 177
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178/* Prologue eilogue type instruction, V850E specific. */
179#define V850E_OPERAND_REG_LIST 0x08
252b5132 180
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181/* This operand names a condition code used in the setf instruction. */
182#define V850_OPERAND_CC 0x10
252b5132 183
1cd986c5 184#define V850_OPERAND_FLOAT_CC 0x20
252b5132 185
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186/* This operand names a vector purpose register. */
187#define V850_OPERAND_VREG 0x40
252b5132 188
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189/* 16 bit immediate follows instruction, V850E specific. */
190#define V850E_IMMEDIATE16 0x80
252b5132 191
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192/* hi16 bit immediate follows instruction, V850E specific. */
193#define V850E_IMMEDIATE16HI 0x100
252b5132 194
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195/* 23 bit immediate follows instruction, V850E specific. */
196#define V850E_IMMEDIATE23 0x200
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197
198/* 32 bit immediate follows instruction, V850E specific. */
199#define V850E_IMMEDIATE32 0x400
200
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201/* This is a relaxable operand. Only used for D9->D22 branch relaxing
202 right now. We may need others in the future (or maybe handle them like
203 promoted operands on the mn10300?). */
204#define V850_OPERAND_RELAX 0x800
205
206/* This operand takes signed values. */
207#define V850_OPERAND_SIGNED 0x1000
208
209/* This operand is a displacement. */
210#define V850_OPERAND_DISP 0x2000
211
212/* This operand is a PC displacement. */
213#define V850_PCREL 0x4000
214
215/* The register specified must be even number. */
216#define V850_REG_EVEN 0x8000
217
218/* The register specified must not be r0. */
219#define V850_NOT_R0 0x20000
220
221/* The register specified must not be 0. */
222#define V850_NOT_IMM0 0x40000
223
224/* The condition code must not be SA CONDITION. */
225#define V850_NOT_SA 0x80000
226
227/* The operand has '!' prefix. */
228#define V850_OPERAND_BANG 0x100000
229
230/* The operand has '%' prefix. */
231#define V850_OPERAND_PERCENT 0x200000
232
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233/* This operand is a cache oparation. */
234#define V850_OPERAND_CACHEOP 0x400000
235
236/* This operand is a prefetch oparation. */
237#define V850_OPERAND_PREFOP 0x800000
238
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239/* A PC-relative displacement where a positive value indicates a backwards displacement. */
240#define V850_INVERSE_PCREL 0x1000000
241
981dc7f1 242extern int v850_msg_is_out_of_range (const char *);
1cd986c5 243
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244#ifdef __cplusplus
245}
246#endif
247
252b5132 248#endif /* V850_H */
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