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* stabs.texinfo: Document the format for C++ nested types.
[deliverable/binutils-gdb.git] / gdb / mips-opcode.h
CommitLineData
dd3b648e
RP		 1/* Mips opcde list for GDB, the GNU debugger.
2 Copyright (C) 1989 Free Software Foundation, Inc.
3 Contributed by Nobuyuki Hikichi(hikichi@sra.junet)
4 Made to work for little-endian machines, and debugged
5 by Per Bothner (bothner@cs.wisc.edu).
6 Many fixes contributed by Frank Yellin (fy@lucid.com).
7
8This file is part of GDB.
9
99a7de40 10This program is free software; you can redistribute it and/or modify
dd3b648e 11it under the terms of the GNU General Public License as published by
99a7de40
JG		 12the Free Software Foundation; either version 2 of the License, or
13(at your option) any later version.
dd3b648e 14
99a7de40 15This program is distributed in the hope that it will be useful,
dd3b648e
RP		 16but WITHOUT ANY WARRANTY; without even the implied warranty of
17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18GNU General Public License for more details.
19
20You should have received a copy of the GNU General Public License
99a7de40
JG		 21along with this program; if not, write to the Free Software
22Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
dd3b648e 23
122ad9ab 24#if BITS_BIG_ENDIAN
dd3b648e
RP		 25#define BIT_FIELDS_2(a,b) a;b;
26#define BIT_FIELDS_4(a,b,c,d) a;b;c;d;
27#define BIT_FIELDS_6(a,b,c,d,e,f) a;b;c;d;e;f;
28#else
29#define BIT_FIELDS_2(a,b) b;a;
30#define BIT_FIELDS_4(a,b,c,d) d;c;b;a;
31#define BIT_FIELDS_6(a,b,c,d,e,f) f;e;d;c;b;a;
32#endif
33
34struct op_i_fmt
35{
36BIT_FIELDS_4(
37 unsigned op : 6,
38 unsigned rs : 5,
39 unsigned rt : 5,
40 unsigned immediate : 16)
41};
42
43struct op_j_fmt
44{
45BIT_FIELDS_2(
46 unsigned op : 6,
47 unsigned target : 26)
48};
49
50struct op_r_fmt
51{
52BIT_FIELDS_6(
53 unsigned op : 6,
54 unsigned rs : 5,
55 unsigned rt : 5,
56 unsigned rd : 5,
57 unsigned shamt : 5,
58 unsigned funct : 6)
59};
60
61
62struct fop_i_fmt
63{
64BIT_FIELDS_4(
65 unsigned op : 6,
66 unsigned rs : 5,
67 unsigned rt : 5,
68 unsigned immediate : 16)
69};
70
71struct op_b_fmt
72{
73BIT_FIELDS_4(
74 unsigned op : 6,
75 unsigned rs : 5,
76 unsigned rt : 5,
77 short delta : 16)
78};
79
80struct fop_r_fmt
81{
82BIT_FIELDS_6(
83 unsigned op : 6,
84 unsigned fmt : 5,
85 unsigned ft : 5,
86 unsigned fs : 5,
87 unsigned fd : 5,
88 unsigned funct : 6)
89};
90
91struct mips_opcode
92{
93 char *name;
94 unsigned long opcode;
95 unsigned long match;
96 char *args;
97 int bdelay; /* Nonzero if delayed branch. */
98};
99
100/* args format;
101
102 "s" rs: source register specifier
103 "t" rt: target register
104 "i" immediate
105 "a" target address
106 "c" branch condition
107 "d" rd: destination register specifier
108 "h" shamt: shift amount
109 "f" funct: function field
110
111 for fpu
112 "S" fs source 1 register
113 "T" ft source 2 register
114 "D" distination register
115*/
116
117#define one(x) (x << 26)
118#define op_func(x, y) ((x << 26) | y)
119#define op_cond(x, y) ((x << 26) | (y << 16))
120#define op_rs_func(x, y, z) ((x << 26) | (y << 21) | z)
121#define op_rs_b11(x, y, z) ((x << 26) | (y << 21) | z)
122#define op_o16(x, y) ((x << 26) | (y << 16))
123#define op_bc(x, y, z) ((x << 26) | (y << 21) | (z << 16))
124
125struct mips_opcode mips_opcodes[] =
126{
127/* These first opcodes are special cases of the ones in the comments */
128 {"nop", 0, 0xffffffff, /*li*/ "", 0},
129 {"li", op_bc(9,0,0), op_bc(0x3f,31,0), /*addiu*/ "t,j", 0},
130 {"b", one(4), 0xffff0000, /*beq*/ "b", 1},
131 {"move", op_func(0, 33), op_cond(0x3f,31)|0x7ff,/*addu*/ "d,s", 0},
132
133 {"sll", op_func(0, 0), op_func(0x3f, 0x3f), "d,t,h", 0},
134 {"srl", op_func(0, 2), op_func(0x3f, 0x3f), "d,t,h", 0},
135 {"sra", op_func(0, 3), op_func(0x3f, 0x3f), "d,t,h", 0},
136 {"sllv", op_func(0, 4), op_func(0x3f, 0x7ff), "d,t,s", 0},
137 {"srlv", op_func(0, 6), op_func(0x3f, 0x7ff), "d,t,s", 0},
138 {"srav", op_func(0, 7), op_func(0x3f, 0x7ff), "d,t,s", 0},
139 {"jr", op_func(0, 8), op_func(0x3f, 0x1fffff), "s", 1},
140 {"jalr", op_func(0, 9), op_func(0x3f, 0x1f07ff), "d,s", 1},
141 {"syscall", op_func(0, 12), op_func(0x3f, 0x3f), "", 0},
142 {"break", op_func(0, 13), op_func(0x3f, 0x3f), "", 0},
143 {"mfhi", op_func(0, 16), op_func(0x3f, 0x03ff07ff), "d", 0},
144 {"mthi", op_func(0, 17), op_func(0x3f, 0x1fffff), "s", 0},
145 {"mflo", op_func(0, 18), op_func(0x3f, 0x03ff07ff), "d", 0},
146 {"mtlo", op_func(0, 19), op_func(0x3f, 0x1fffff), "s", 0},
147 {"mult", op_func(0, 24), op_func(0x3f, 0xffff), "s,t", 0},
148 {"multu", op_func(0, 25), op_func(0x3f, 0xffff), "s,t", 0},
149 {"div", op_func(0, 26), op_func(0x3f, 0xffff), "s,t", 0},
150 {"divu", op_func(0, 27), op_func(0x3f, 0xffff), "s,t", 0},
151 {"add", op_func(0, 32), op_func(0x3f, 0x7ff), "d,s,t", 0},
152 {"addu", op_func(0, 33), op_func(0x3f, 0x7ff), "d,s,t", 0},
153 {"sub", op_func(0, 34), op_func(0x3f, 0x7ff), "d,s,t", 0},
154 {"subu", op_func(0, 35), op_func(0x3f, 0x7ff), "d,s,t", 0},
155 {"and", op_func(0, 36), op_func(0x3f, 0x7ff), "d,s,t", 0},
156 {"or", op_func(0, 37), op_func(0x3f, 0x7ff), "d,s,t", 0},
157 {"xor", op_func(0, 38), op_func(0x3f, 0x7ff), "d,s,t", 0},
158 {"nor", op_func(0, 39), op_func(0x3f, 0x7ff), "d,s,t", 0},
159 {"slt", op_func(0, 42), op_func(0x3f, 0x7ff), "d,s,t", 0},
160 {"sltu", op_func(0, 43), op_func(0x3f, 0x7ff), "d,s,t", 0},
161
162 {"bltz", op_cond (1, 0), op_cond(0x3f, 0x1f), "s,b", 1},
163 {"bgez", op_cond (1, 1), op_cond(0x3f, 0x1f), "s,b", 1},
164 {"bltzal", op_cond (1, 16),op_cond(0x3f, 0x1f), "s,b", 1},
165 {"bgezal", op_cond (1, 17),op_cond(0x3f, 0x1f), "s,b", 1},
166
167
168 {"j", one(2), one(0x3f), "a", 1},
169 {"jal", one(3), one(0x3f), "a", 1},
170 {"beq", one(4), one(0x3f), "s,t,b", 1},
171 {"bne", one(5), one(0x3f), "s,t,b", 1},
172 {"blez", one(6), one(0x3f) | 0x1f0000, "s,b", 1},
173 {"bgtz", one(7), one(0x3f) | 0x1f0000, "s,b", 1},
174 {"addi", one(8), one(0x3f), "t,s,j", 0},
175 {"addiu", one(9), one(0x3f), "t,s,j", 0},
176 {"slti", one(10), one(0x3f), "t,s,j", 0},
177 {"sltiu", one(11), one(0x3f), "t,s,j", 0},
178 {"andi", one(12), one(0x3f), "t,s,i", 0},
179 {"ori", one(13), one(0x3f), "t,s,i", 0},
180 {"xori", one(14), one(0x3f), "t,s,i", 0},
181 /* rs field is don't care field? */
182 {"lui", one(15), one(0x3f), "t,i", 0},
183
184/* co processor 0 instruction */
185 {"mfc0", op_rs_b11 (16, 0, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
186 {"cfc0", op_rs_b11 (16, 2, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
187 {"mtc0", op_rs_b11 (16, 4, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
188 {"ctc0", op_rs_b11 (16, 6, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
189
190 {"bc0f", op_o16(16, 0x100), op_o16(0x3f, 0x3ff), "b", 1},
191 {"bc0f", op_o16(16, 0x180), op_o16(0x3f, 0x3ff), "b", 1},
192 {"bc0t", op_o16(16, 0x101), op_o16(0x3f, 0x3ff), "b", 1},
193 {"bc0t", op_o16(16, 0x181), op_o16(0x3f, 0x3ff), "b", 1},
194
195 {"tlbr", op_rs_func(16, 0x10, 1), ~0, "", 0},
196 {"tlbwi", op_rs_func(16, 0x10, 2), ~0, "", 0},
197 {"tlbwr", op_rs_func(16, 0x10, 6), ~0, "", 0},
198 {"tlbp", op_rs_func(16, 0x10, 8), ~0, "", 0},
199 {"rfe", op_rs_func(16, 0x10, 16), ~0, "", 0},
200
201 {"mfc1", op_rs_b11 (17, 0, 0), op_rs_b11(0x3f, 0x1f, 0),"t,S", 0},
202 {"cfc1", op_rs_b11 (17, 2, 0), op_rs_b11(0x3f, 0x1f, 0),"t,S", 0},
203 {"mtc1", op_rs_b11 (17, 4, 0), op_rs_b11(0x3f, 0x1f, 0),"t,S", 0},
204 {"ctc1", op_rs_b11 (17, 6, 0), op_rs_b11(0x3f, 0x1f, 0),"t,S", 0},
205
206 {"bc1f", op_o16(17, 0x100), op_o16(0x3f, 0x3ff), "b", 1},
207 {"bc1f", op_o16(17, 0x180), op_o16(0x3f, 0x3ff), "b", 1},
208 {"bc1t", op_o16(17, 0x101), op_o16(0x3f, 0x3ff), "b", 1},
209 {"bc1t", op_o16(17, 0x181), op_o16(0x3f, 0x3ff), "b", 1},
210
211/* fpu instruction */
212 {"add.s", op_rs_func(17, 0x10, 0),
213 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
214 {"add.d", op_rs_func(17, 0x11, 0),
215 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
216 {"sub.s", op_rs_func(17, 0x10, 1),
217 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
218 {"sub.d", op_rs_func(17, 0x11, 1),
219 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
220 {"mul.s", op_rs_func(17, 0x10, 2),
221 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
222 {"mul.d", op_rs_func(17, 0x11, 2),
223 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
224 {"div.s", op_rs_func(17, 0x10, 3),
225 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
226 {"div.d", op_rs_func(17, 0x11, 3),
227 op_rs_func(0x3f, 0x1f, 0x3f), "D,S,T", 0},
228 {"abs.s", op_rs_func(17, 0x10, 5),
229 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
230 {"abs.d", op_rs_func(17, 0x11, 5),
231 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
232 {"mov.s", op_rs_func(17, 0x10, 6),
233 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
234 {"mov.d", op_rs_func(17, 0x11, 6),
235 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
236 {"neg.s", op_rs_func(17, 0x10, 7),
237 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
238 {"neg.d", op_rs_func(17, 0x11, 7),
239 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
240 {"cvt.s.s", op_rs_func(17, 0x10, 32),
241 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
242 {"cvt.s.d", op_rs_func(17, 0x11, 32),
243 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
244 {"cvt.s.w", op_rs_func(17, 0x14, 32),
245 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
246 {"cvt.d.s", op_rs_func(17, 0x10, 33),
247 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
248 {"cvt.d.d", op_rs_func(17, 0x11, 33),
249 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
250 {"cvt.d.w", op_rs_func(17, 0x14, 33),
251 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
252 {"cvt.w.s", op_rs_func(17, 0x10, 36),
253 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
254 {"cvt.w.d", op_rs_func(17, 0x11, 36),
255 op_rs_func(0x3f, 0x1f, 0x1f003f), "D,S", 0},
256 {"c.f.s", op_rs_func(17, 0x10, 48),
257 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
258 {"c.f.d", op_rs_func(17, 0x11, 48),
259 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
260 {"c.un.s", op_rs_func(17, 0x10, 49),
261 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
262 {"c.un.d", op_rs_func(17, 0x11, 49),
263 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
264 {"c.eq.s", op_rs_func(17, 0x10, 50),
265 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
266 {"c.eq.d", op_rs_func(17, 0x11, 50),
267 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
268 {"c.ueq.s", op_rs_func(17, 0x10, 51),
269 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
270 {"c.ueq.d", op_rs_func(17, 0x11, 51),
271 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
272 {"c.olt.s", op_rs_func(17, 0x10, 52),
273 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
274 {"c.olt.d", op_rs_func(17, 0x11, 52),
275 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
276 {"c.ult.s", op_rs_func(17, 0x10, 53),
277 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
278 {"c.ult.d", op_rs_func(17, 0x11, 53),
279 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
280 {"c.ole.s", op_rs_func(17, 0x10, 54),
281 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
282 {"c.ole.d", op_rs_func(17, 0x11, 54),
283 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
284 {"c.ule.s", op_rs_func(17, 0x10, 55),
285 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
286 {"c.ule.d", op_rs_func(17, 0x11, 55),
287 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
288 {"c.sf.s", op_rs_func(17, 0x10, 56),
289 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
290 {"c.sf.d", op_rs_func(17, 0x11, 56),
291 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
292 {"c.ngle.s", op_rs_func(17, 0x10, 57),
293 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
294 {"c.ngle.d", op_rs_func(17, 0x11, 57),
295 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
296 {"c.seq.s", op_rs_func(17, 0x10, 58),
297 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
298 {"c.seq.d", op_rs_func(17, 0x11, 58),
299 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
300 {"c.ngl.s", op_rs_func(17, 0x10, 59),
301 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
302 {"c.ngl.d", op_rs_func(17, 0x11, 59),
303 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
304 {"c.lt.s", op_rs_func(17, 0x10, 60),
305 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
306 {"c.lt.d", op_rs_func(17, 0x11, 60),
307 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
308 {"c.nge.s", op_rs_func(17, 0x10, 61),
309 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
310 {"c.nge.d", op_rs_func(17, 0x11, 61),
311 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
312 {"c.le.s", op_rs_func(17, 0x10, 62),
313 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
314 {"c.le.d", op_rs_func(17, 0x11, 62),
315 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
316 {"c.ngt.s", op_rs_func(17, 0x10, 63),
317 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
318 {"c.ngt.d", op_rs_func(17, 0x11, 63),
319 op_rs_func(0x3f, 0x1f, 0x7ff), "S,T", 0},
320
321/* co processor 2 instruction */
322 {"mfc2", op_rs_b11 (18, 0, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
323 {"cfc2", op_rs_b11 (18, 2, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
324 {"mtc2", op_rs_b11 (18, 4, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
325 {"ctc2", op_rs_b11 (18, 6, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
326 {"bc2f", op_o16(18, 0x100), op_o16(0x3f, 0x3ff), "b", 1},
327 {"bc2f", op_o16(18, 0x180), op_o16(0x3f, 0x3ff), "b", 1},
328 {"bc2f", op_o16(18, 0x101), op_o16(0x3f, 0x3ff), "b", 1},
329 {"bc2t", op_o16(18, 0x181), op_o16(0x3f, 0x3ff), "b", 1},
330
331/* co processor 3 instruction */
332 {"mtc3", op_rs_b11 (19, 0, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
333 {"cfc3", op_rs_b11 (19, 2, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
334 {"mtc3", op_rs_b11 (19, 4, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
335 {"ctc3", op_rs_b11 (19, 6, 0), op_rs_b11(0x3f, 0x1f, 0x1ffff), "t,d", 0},
336 {"bc3f", op_o16(19, 0x100), op_o16(0x3f, 0x3ff), "b", 1},
337 {"bc3f", op_o16(19, 0x180), op_o16(0x3f, 0x3ff), "b", 1},
338 {"bc3t", op_o16(19, 0x101), op_o16(0x3f, 0x3ff), "b", 1},
339 {"bc3t", op_o16(19, 0x181), op_o16(0x3f, 0x3ff), "b", 1},
340
341 {"lb", one(32), one(0x3f), "t,j(s)", 0},
342 {"lh", one(33), one(0x3f), "t,j(s)", 0},
343 {"lwl", one(34), one(0x3f), "t,j(s)", 0},
344 {"lw", one(35), one(0x3f), "t,j(s)", 0},
345 {"lbu", one(36), one(0x3f), "t,j(s)", 0},
346 {"lhu", one(37), one(0x3f), "t,j(s)", 0},
347 {"lwr", one(38), one(0x3f), "t,j(s)", 0},
348 {"sb", one(40), one(0x3f), "t,j(s)", 0},
349 {"sh", one(41), one(0x3f), "t,j(s)", 0},
350 {"swl", one(42), one(0x3f), "t,j(s)", 0},
351 {"swr", one(46), one(0x3f), "t,j(s)", 0},
352 {"sw", one(43), one(0x3f), "t,j(s)", 0},
353 {"lwc0", one(48), one(0x3f), "t,j(s)", 0},
354/* for fpu */
355 {"lwc1", one(49), one(0x3f), "T,j(s)", 0},
356 {"lwc2", one(50), one(0x3f), "t,j(s)", 0},
357 {"lwc3", one(51), one(0x3f), "t,j(s)", 0},
358 {"swc0", one(56), one(0x3f), "t,j(s)", 0},
359/* for fpu */
360 {"swc1", one(57), one(0x3f), "T,j(s)", 0},
361 {"swc2", one(58), one(0x3f), "t,j(s)", 0},
362 {"swc3", one(59), one(0x3f), "t,j(s)", 0},
363};
GDB Binutils - Deliverables
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