Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Print mips instructions for GDB, the GNU debugger, or for objdump. |
060d22b0 | 2 | Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
8b99bf0b | 3 | 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2012 |
73da6b6b | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp). |
6 | ||
9b201bb5 | 7 | This file is part of the GNU opcodes library. |
252b5132 | 8 | |
9b201bb5 | 9 | This library is free software; you can redistribute it and/or modify |
47b0e7ad | 10 | it under the terms of the GNU General Public License as published by |
9b201bb5 NC |
11 | the Free Software Foundation; either version 3, or (at your option) |
12 | any later version. | |
252b5132 | 13 | |
9b201bb5 NC |
14 | It is distributed in the hope that it will be useful, but WITHOUT |
15 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
16 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
17 | License for more details. | |
252b5132 | 18 | |
47b0e7ad NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
22 | MA 02110-1301, USA. */ | |
252b5132 | 23 | |
252b5132 RH |
24 | #include "sysdep.h" |
25 | #include "dis-asm.h" | |
640c0ccd | 26 | #include "libiberty.h" |
252b5132 RH |
27 | #include "opcode/mips.h" |
28 | #include "opintl.h" | |
29 | ||
30 | /* FIXME: These are needed to figure out if the code is mips16 or | |
31 | not. The low bit of the address is often a good indicator. No | |
32 | symbol table is available when this code runs out in an embedded | |
7f6621cd | 33 | system as when it is used for disassembler support in a monitor. */ |
252b5132 RH |
34 | |
35 | #if !defined(EMBEDDED_ENV) | |
36 | #define SYMTAB_AVAILABLE 1 | |
37 | #include "elf-bfd.h" | |
38 | #include "elf/mips.h" | |
39 | #endif | |
40 | ||
aa5f19f2 NC |
41 | /* Mips instructions are at maximum this many bytes long. */ |
42 | #define INSNLEN 4 | |
43 | ||
252b5132 | 44 | \f |
aa5f19f2 | 45 | /* FIXME: These should be shared with gdb somehow. */ |
252b5132 | 46 | |
47b0e7ad NC |
47 | struct mips_cp0sel_name |
48 | { | |
49 | unsigned int cp0reg; | |
50 | unsigned int sel; | |
51 | const char * const name; | |
bbcc0807 CD |
52 | }; |
53 | ||
654c225a TS |
54 | /* The mips16 registers. */ |
55 | static const unsigned int mips16_to_32_reg_map[] = | |
47b0e7ad | 56 | { |
654c225a | 57 | 16, 17, 2, 3, 4, 5, 6, 7 |
252b5132 | 58 | }; |
fb48caed | 59 | |
df58fc94 RS |
60 | /* The microMIPS registers with type b. */ |
61 | #define micromips_to_32_reg_b_map mips16_to_32_reg_map | |
62 | ||
63 | /* The microMIPS registers with type c. */ | |
64 | #define micromips_to_32_reg_c_map mips16_to_32_reg_map | |
65 | ||
66 | /* The microMIPS registers with type d. */ | |
67 | #define micromips_to_32_reg_d_map mips16_to_32_reg_map | |
68 | ||
69 | /* The microMIPS registers with type e. */ | |
70 | #define micromips_to_32_reg_e_map mips16_to_32_reg_map | |
71 | ||
72 | /* The microMIPS registers with type f. */ | |
73 | #define micromips_to_32_reg_f_map mips16_to_32_reg_map | |
74 | ||
75 | /* The microMIPS registers with type g. */ | |
76 | #define micromips_to_32_reg_g_map mips16_to_32_reg_map | |
77 | ||
78 | /* The microMIPS registers with type h. */ | |
e76ff5ab | 79 | static const unsigned int micromips_to_32_reg_h_map1[] = |
df58fc94 RS |
80 | { |
81 | 5, 5, 6, 4, 4, 4, 4, 4 | |
82 | }; | |
e76ff5ab | 83 | static const unsigned int micromips_to_32_reg_h_map2[] = |
df58fc94 RS |
84 | { |
85 | 6, 7, 7, 21, 22, 5, 6, 7 | |
86 | }; | |
87 | ||
88 | /* The microMIPS registers with type j: 32 registers. */ | |
89 | ||
90 | /* The microMIPS registers with type l. */ | |
91 | #define micromips_to_32_reg_l_map mips16_to_32_reg_map | |
92 | ||
93 | /* The microMIPS registers with type m. */ | |
94 | static const unsigned int micromips_to_32_reg_m_map[] = | |
95 | { | |
96 | 0, 17, 2, 3, 16, 18, 19, 20 | |
97 | }; | |
98 | ||
99 | /* The microMIPS registers with type n. */ | |
100 | #define micromips_to_32_reg_n_map micromips_to_32_reg_m_map | |
101 | ||
102 | /* The microMIPS registers with type p: 32 registers. */ | |
103 | ||
104 | /* The microMIPS registers with type q. */ | |
105 | static const unsigned int micromips_to_32_reg_q_map[] = | |
106 | { | |
107 | 0, 17, 2, 3, 4, 5, 6, 7 | |
108 | }; | |
109 | ||
110 | /* reg type s is $29. */ | |
111 | ||
112 | /* reg type t is the same as the last register. */ | |
113 | ||
114 | /* reg type y is $31. */ | |
115 | ||
116 | /* reg type z is $0. */ | |
117 | ||
118 | /* micromips imm B type. */ | |
119 | static const int micromips_imm_b_map[8] = | |
120 | { | |
121 | 1, 4, 8, 12, 16, 20, 24, -1 | |
122 | }; | |
123 | ||
124 | /* micromips imm C type. */ | |
125 | static const int micromips_imm_c_map[16] = | |
126 | { | |
127 | 128, 1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 63, 64, 255, 32768, 65535 | |
128 | }; | |
129 | ||
130 | /* micromips imm D type: (-512..511)<<1. */ | |
131 | /* micromips imm E type: (-64..63)<<1. */ | |
132 | /* micromips imm F type: (0..63). */ | |
133 | /* micromips imm G type: (-1..14). */ | |
134 | /* micromips imm H type: (0..15)<<1. */ | |
135 | /* micromips imm I type: (-1..126). */ | |
136 | /* micromips imm J type: (0..15)<<2. */ | |
137 | /* micromips imm L type: (0..15). */ | |
138 | /* micromips imm M type: (1..8). */ | |
139 | /* micromips imm W type: (0..63)<<2. */ | |
140 | /* micromips imm X type: (-8..7). */ | |
141 | /* micromips imm Y type: (-258..-3, 2..257)<<2. */ | |
142 | ||
654c225a TS |
143 | #define mips16_reg_names(rn) mips_gpr_names[mips16_to_32_reg_map[rn]] |
144 | ||
145 | ||
47b0e7ad NC |
146 | static const char * const mips_gpr_names_numeric[32] = |
147 | { | |
640c0ccd CD |
148 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
149 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
150 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
151 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
aa5f19f2 NC |
152 | }; |
153 | ||
47b0e7ad NC |
154 | static const char * const mips_gpr_names_oldabi[32] = |
155 | { | |
640c0ccd CD |
156 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
157 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", | |
158 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", | |
159 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
aa5f19f2 NC |
160 | }; |
161 | ||
47b0e7ad NC |
162 | static const char * const mips_gpr_names_newabi[32] = |
163 | { | |
640c0ccd | 164 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
0b14f26e | 165 | "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", |
640c0ccd CD |
166 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
167 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
168 | }; | |
169 | ||
47b0e7ad NC |
170 | static const char * const mips_fpr_names_numeric[32] = |
171 | { | |
640c0ccd CD |
172 | "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", |
173 | "$f8", "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15", | |
174 | "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23", | |
175 | "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31" | |
176 | }; | |
177 | ||
47b0e7ad NC |
178 | static const char * const mips_fpr_names_32[32] = |
179 | { | |
640c0ccd CD |
180 | "fv0", "fv0f", "fv1", "fv1f", "ft0", "ft0f", "ft1", "ft1f", |
181 | "ft2", "ft2f", "ft3", "ft3f", "fa0", "fa0f", "fa1", "fa1f", | |
182 | "ft4", "ft4f", "ft5", "ft5f", "fs0", "fs0f", "fs1", "fs1f", | |
183 | "fs2", "fs2f", "fs3", "fs3f", "fs4", "fs4f", "fs5", "fs5f" | |
184 | }; | |
185 | ||
47b0e7ad NC |
186 | static const char * const mips_fpr_names_n32[32] = |
187 | { | |
640c0ccd CD |
188 | "fv0", "ft14", "fv1", "ft15", "ft0", "ft1", "ft2", "ft3", |
189 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
190 | "fa4", "fa5", "fa6", "fa7", "fs0", "ft8", "fs1", "ft9", | |
191 | "fs2", "ft10", "fs3", "ft11", "fs4", "ft12", "fs5", "ft13" | |
192 | }; | |
193 | ||
47b0e7ad NC |
194 | static const char * const mips_fpr_names_64[32] = |
195 | { | |
640c0ccd CD |
196 | "fv0", "ft12", "fv1", "ft13", "ft0", "ft1", "ft2", "ft3", |
197 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
198 | "fa4", "fa5", "fa6", "fa7", "ft8", "ft9", "ft10", "ft11", | |
199 | "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7" | |
200 | }; | |
201 | ||
47b0e7ad NC |
202 | static const char * const mips_cp0_names_numeric[32] = |
203 | { | |
640c0ccd CD |
204 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
205 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
206 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
207 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
208 | }; | |
209 | ||
f409fd1e MR |
210 | static const char * const mips_cp0_names_r3000[32] = |
211 | { | |
212 | "c0_index", "c0_random", "c0_entrylo", "$3", | |
213 | "c0_context", "$5", "$6", "$7", | |
214 | "c0_badvaddr", "$9", "c0_entryhi", "$11", | |
215 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
216 | "$16", "$17", "$18", "$19", | |
217 | "$20", "$21", "$22", "$23", | |
218 | "$24", "$25", "$26", "$27", | |
219 | "$28", "$29", "$30", "$31", | |
220 | }; | |
221 | ||
222 | static const char * const mips_cp0_names_r4000[32] = | |
223 | { | |
224 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
225 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
226 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
227 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
228 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
229 | "c0_xcontext", "$21", "$22", "$23", | |
230 | "$24", "$25", "c0_ecc", "c0_cacheerr", | |
231 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31", | |
232 | }; | |
233 | ||
e407c74b NC |
234 | static const char * const mips_cp0_names_r5900[32] = |
235 | { | |
236 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
237 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
238 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
239 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
240 | "c0_config", "$17", "$18", "$19", | |
241 | "$20", "$21", "$22", "c0_badpaddr", | |
242 | "c0_depc", "c0_perfcnt", "$26", "$27", | |
243 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31" | |
244 | }; | |
245 | ||
246 | static const struct mips_cp0sel_name mips_cp0sel_names_mipsr5900[] = | |
247 | { | |
248 | { 24, 2, "c0_iab" }, | |
249 | { 24, 3, "c0_iabm" }, | |
250 | { 24, 4, "c0_dab" }, | |
251 | { 24, 5, "c0_dabm" }, | |
252 | { 24, 6, "c0_dvb" }, | |
253 | { 24, 7, "c0_dvbm" }, | |
254 | { 25, 1, "c0_perfcnt,1" }, | |
255 | { 25, 2, "c0_perfcnt,2" } | |
256 | }; | |
257 | ||
47b0e7ad NC |
258 | static const char * const mips_cp0_names_mips3264[32] = |
259 | { | |
640c0ccd CD |
260 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
261 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
262 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
263 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
264 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
265 | "c0_xcontext", "$21", "$22", "c0_debug", | |
266 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
267 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
268 | }; | |
269 | ||
47b0e7ad NC |
270 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] = |
271 | { | |
bbcc0807 CD |
272 | { 16, 1, "c0_config1" }, |
273 | { 16, 2, "c0_config2" }, | |
274 | { 16, 3, "c0_config3" }, | |
275 | { 18, 1, "c0_watchlo,1" }, | |
276 | { 18, 2, "c0_watchlo,2" }, | |
277 | { 18, 3, "c0_watchlo,3" }, | |
278 | { 18, 4, "c0_watchlo,4" }, | |
279 | { 18, 5, "c0_watchlo,5" }, | |
280 | { 18, 6, "c0_watchlo,6" }, | |
281 | { 18, 7, "c0_watchlo,7" }, | |
282 | { 19, 1, "c0_watchhi,1" }, | |
283 | { 19, 2, "c0_watchhi,2" }, | |
284 | { 19, 3, "c0_watchhi,3" }, | |
285 | { 19, 4, "c0_watchhi,4" }, | |
286 | { 19, 5, "c0_watchhi,5" }, | |
287 | { 19, 6, "c0_watchhi,6" }, | |
288 | { 19, 7, "c0_watchhi,7" }, | |
289 | { 25, 1, "c0_perfcnt,1" }, | |
290 | { 25, 2, "c0_perfcnt,2" }, | |
291 | { 25, 3, "c0_perfcnt,3" }, | |
292 | { 25, 4, "c0_perfcnt,4" }, | |
293 | { 25, 5, "c0_perfcnt,5" }, | |
294 | { 25, 6, "c0_perfcnt,6" }, | |
295 | { 25, 7, "c0_perfcnt,7" }, | |
296 | { 27, 1, "c0_cacheerr,1" }, | |
297 | { 27, 2, "c0_cacheerr,2" }, | |
298 | { 27, 3, "c0_cacheerr,3" }, | |
299 | { 28, 1, "c0_datalo" }, | |
300 | { 29, 1, "c0_datahi" } | |
301 | }; | |
302 | ||
47b0e7ad NC |
303 | static const char * const mips_cp0_names_mips3264r2[32] = |
304 | { | |
af7ee8bf CD |
305 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
306 | "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena", | |
307 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
308 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
309 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
310 | "c0_xcontext", "$21", "$22", "c0_debug", | |
311 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
312 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
313 | }; | |
314 | ||
47b0e7ad NC |
315 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] = |
316 | { | |
bbcc0807 | 317 | { 4, 1, "c0_contextconfig" }, |
59c455b3 TS |
318 | { 0, 1, "c0_mvpcontrol" }, |
319 | { 0, 2, "c0_mvpconf0" }, | |
320 | { 0, 3, "c0_mvpconf1" }, | |
321 | { 1, 1, "c0_vpecontrol" }, | |
322 | { 1, 2, "c0_vpeconf0" }, | |
323 | { 1, 3, "c0_vpeconf1" }, | |
324 | { 1, 4, "c0_yqmask" }, | |
325 | { 1, 5, "c0_vpeschedule" }, | |
326 | { 1, 6, "c0_vpeschefback" }, | |
327 | { 2, 1, "c0_tcstatus" }, | |
328 | { 2, 2, "c0_tcbind" }, | |
329 | { 2, 3, "c0_tcrestart" }, | |
330 | { 2, 4, "c0_tchalt" }, | |
331 | { 2, 5, "c0_tccontext" }, | |
332 | { 2, 6, "c0_tcschedule" }, | |
333 | { 2, 7, "c0_tcschefback" }, | |
bbcc0807 | 334 | { 5, 1, "c0_pagegrain" }, |
59c455b3 TS |
335 | { 6, 1, "c0_srsconf0" }, |
336 | { 6, 2, "c0_srsconf1" }, | |
337 | { 6, 3, "c0_srsconf2" }, | |
338 | { 6, 4, "c0_srsconf3" }, | |
339 | { 6, 5, "c0_srsconf4" }, | |
bbcc0807 CD |
340 | { 12, 1, "c0_intctl" }, |
341 | { 12, 2, "c0_srsctl" }, | |
342 | { 12, 3, "c0_srsmap" }, | |
343 | { 15, 1, "c0_ebase" }, | |
344 | { 16, 1, "c0_config1" }, | |
345 | { 16, 2, "c0_config2" }, | |
346 | { 16, 3, "c0_config3" }, | |
347 | { 18, 1, "c0_watchlo,1" }, | |
348 | { 18, 2, "c0_watchlo,2" }, | |
349 | { 18, 3, "c0_watchlo,3" }, | |
350 | { 18, 4, "c0_watchlo,4" }, | |
351 | { 18, 5, "c0_watchlo,5" }, | |
352 | { 18, 6, "c0_watchlo,6" }, | |
353 | { 18, 7, "c0_watchlo,7" }, | |
354 | { 19, 1, "c0_watchhi,1" }, | |
355 | { 19, 2, "c0_watchhi,2" }, | |
356 | { 19, 3, "c0_watchhi,3" }, | |
357 | { 19, 4, "c0_watchhi,4" }, | |
358 | { 19, 5, "c0_watchhi,5" }, | |
359 | { 19, 6, "c0_watchhi,6" }, | |
360 | { 19, 7, "c0_watchhi,7" }, | |
361 | { 23, 1, "c0_tracecontrol" }, | |
362 | { 23, 2, "c0_tracecontrol2" }, | |
363 | { 23, 3, "c0_usertracedata" }, | |
364 | { 23, 4, "c0_tracebpc" }, | |
365 | { 25, 1, "c0_perfcnt,1" }, | |
366 | { 25, 2, "c0_perfcnt,2" }, | |
367 | { 25, 3, "c0_perfcnt,3" }, | |
368 | { 25, 4, "c0_perfcnt,4" }, | |
369 | { 25, 5, "c0_perfcnt,5" }, | |
370 | { 25, 6, "c0_perfcnt,6" }, | |
371 | { 25, 7, "c0_perfcnt,7" }, | |
372 | { 27, 1, "c0_cacheerr,1" }, | |
373 | { 27, 2, "c0_cacheerr,2" }, | |
374 | { 27, 3, "c0_cacheerr,3" }, | |
375 | { 28, 1, "c0_datalo" }, | |
376 | { 28, 2, "c0_taglo1" }, | |
377 | { 28, 3, "c0_datalo1" }, | |
378 | { 28, 4, "c0_taglo2" }, | |
379 | { 28, 5, "c0_datalo2" }, | |
380 | { 28, 6, "c0_taglo3" }, | |
381 | { 28, 7, "c0_datalo3" }, | |
382 | { 29, 1, "c0_datahi" }, | |
383 | { 29, 2, "c0_taghi1" }, | |
384 | { 29, 3, "c0_datahi1" }, | |
385 | { 29, 4, "c0_taghi2" }, | |
386 | { 29, 5, "c0_datahi2" }, | |
387 | { 29, 6, "c0_taghi3" }, | |
388 | { 29, 7, "c0_datahi3" }, | |
389 | }; | |
390 | ||
640c0ccd | 391 | /* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */ |
47b0e7ad NC |
392 | static const char * const mips_cp0_names_sb1[32] = |
393 | { | |
640c0ccd CD |
394 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
395 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
396 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
397 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
398 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
399 | "c0_xcontext", "$21", "$22", "c0_debug", | |
400 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
401 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
402 | }; | |
403 | ||
47b0e7ad NC |
404 | static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] = |
405 | { | |
bbcc0807 CD |
406 | { 16, 1, "c0_config1" }, |
407 | { 18, 1, "c0_watchlo,1" }, | |
408 | { 19, 1, "c0_watchhi,1" }, | |
409 | { 22, 0, "c0_perftrace" }, | |
410 | { 23, 3, "c0_edebug" }, | |
411 | { 25, 1, "c0_perfcnt,1" }, | |
412 | { 25, 2, "c0_perfcnt,2" }, | |
413 | { 25, 3, "c0_perfcnt,3" }, | |
414 | { 25, 4, "c0_perfcnt,4" }, | |
415 | { 25, 5, "c0_perfcnt,5" }, | |
416 | { 25, 6, "c0_perfcnt,6" }, | |
417 | { 25, 7, "c0_perfcnt,7" }, | |
418 | { 26, 1, "c0_buserr_pa" }, | |
419 | { 27, 1, "c0_cacheerr_d" }, | |
420 | { 27, 3, "c0_cacheerr_d_pa" }, | |
421 | { 28, 1, "c0_datalo_i" }, | |
422 | { 28, 2, "c0_taglo_d" }, | |
423 | { 28, 3, "c0_datalo_d" }, | |
424 | { 29, 1, "c0_datahi_i" }, | |
425 | { 29, 2, "c0_taghi_d" }, | |
426 | { 29, 3, "c0_datahi_d" }, | |
427 | }; | |
428 | ||
52b6b6b9 JM |
429 | /* Xlr cop0 register names. */ |
430 | static const char * const mips_cp0_names_xlr[32] = { | |
431 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
432 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
433 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
434 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
435 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
436 | "c0_xcontext", "$21", "$22", "c0_debug", | |
437 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
438 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
439 | }; | |
440 | ||
441 | /* XLR's CP0 Select Registers. */ | |
442 | ||
443 | static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = { | |
444 | { 9, 6, "c0_extintreq" }, | |
445 | { 9, 7, "c0_extintmask" }, | |
446 | { 15, 1, "c0_ebase" }, | |
447 | { 16, 1, "c0_config1" }, | |
448 | { 16, 2, "c0_config2" }, | |
449 | { 16, 3, "c0_config3" }, | |
450 | { 16, 7, "c0_procid2" }, | |
451 | { 18, 1, "c0_watchlo,1" }, | |
452 | { 18, 2, "c0_watchlo,2" }, | |
453 | { 18, 3, "c0_watchlo,3" }, | |
454 | { 18, 4, "c0_watchlo,4" }, | |
455 | { 18, 5, "c0_watchlo,5" }, | |
456 | { 18, 6, "c0_watchlo,6" }, | |
457 | { 18, 7, "c0_watchlo,7" }, | |
458 | { 19, 1, "c0_watchhi,1" }, | |
459 | { 19, 2, "c0_watchhi,2" }, | |
460 | { 19, 3, "c0_watchhi,3" }, | |
461 | { 19, 4, "c0_watchhi,4" }, | |
462 | { 19, 5, "c0_watchhi,5" }, | |
463 | { 19, 6, "c0_watchhi,6" }, | |
464 | { 19, 7, "c0_watchhi,7" }, | |
465 | { 25, 1, "c0_perfcnt,1" }, | |
466 | { 25, 2, "c0_perfcnt,2" }, | |
467 | { 25, 3, "c0_perfcnt,3" }, | |
468 | { 25, 4, "c0_perfcnt,4" }, | |
469 | { 25, 5, "c0_perfcnt,5" }, | |
470 | { 25, 6, "c0_perfcnt,6" }, | |
471 | { 25, 7, "c0_perfcnt,7" }, | |
472 | { 27, 1, "c0_cacheerr,1" }, | |
473 | { 27, 2, "c0_cacheerr,2" }, | |
474 | { 27, 3, "c0_cacheerr,3" }, | |
475 | { 28, 1, "c0_datalo" }, | |
476 | { 29, 1, "c0_datahi" } | |
477 | }; | |
478 | ||
47b0e7ad NC |
479 | static const char * const mips_hwr_names_numeric[32] = |
480 | { | |
af7ee8bf CD |
481 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
482 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
483 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
484 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
485 | }; | |
486 | ||
47b0e7ad NC |
487 | static const char * const mips_hwr_names_mips3264r2[32] = |
488 | { | |
af7ee8bf CD |
489 | "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres", |
490 | "$4", "$5", "$6", "$7", | |
491 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
492 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
493 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
494 | }; | |
495 | ||
47b0e7ad NC |
496 | struct mips_abi_choice |
497 | { | |
498 | const char * name; | |
640c0ccd CD |
499 | const char * const *gpr_names; |
500 | const char * const *fpr_names; | |
501 | }; | |
502 | ||
47b0e7ad NC |
503 | struct mips_abi_choice mips_abi_choices[] = |
504 | { | |
640c0ccd CD |
505 | { "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric }, |
506 | { "32", mips_gpr_names_oldabi, mips_fpr_names_32 }, | |
507 | { "n32", mips_gpr_names_newabi, mips_fpr_names_n32 }, | |
508 | { "64", mips_gpr_names_newabi, mips_fpr_names_64 }, | |
509 | }; | |
510 | ||
47b0e7ad NC |
511 | struct mips_arch_choice |
512 | { | |
640c0ccd CD |
513 | const char *name; |
514 | int bfd_mach_valid; | |
515 | unsigned long bfd_mach; | |
516 | int processor; | |
517 | int isa; | |
d301a56b | 518 | int ase; |
640c0ccd | 519 | const char * const *cp0_names; |
bbcc0807 CD |
520 | const struct mips_cp0sel_name *cp0sel_names; |
521 | unsigned int cp0sel_names_len; | |
af7ee8bf | 522 | const char * const *hwr_names; |
640c0ccd CD |
523 | }; |
524 | ||
47b0e7ad NC |
525 | const struct mips_arch_choice mips_arch_choices[] = |
526 | { | |
d301a56b | 527 | { "numeric", 0, 0, 0, 0, 0, |
bbcc0807 CD |
528 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
529 | ||
d301a56b | 530 | { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, 0, |
f409fd1e | 531 | mips_cp0_names_r3000, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 532 | { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, 0, |
bbcc0807 | 533 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 534 | { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, 0, |
f409fd1e | 535 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 536 | { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, 0, |
bbcc0807 | 537 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 538 | { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, 0, |
bbcc0807 | 539 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 540 | { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, 0, |
bbcc0807 | 541 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 542 | { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, 0, |
bbcc0807 | 543 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 544 | { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, 0, |
bbcc0807 | 545 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 546 | { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, 0, |
f409fd1e | 547 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 548 | { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, 0, |
bbcc0807 | 549 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 550 | { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, 0, |
bbcc0807 | 551 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 552 | { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, 0, |
bbcc0807 | 553 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 554 | { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, 0, |
bbcc0807 | 555 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 556 | { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, 0, |
bbcc0807 | 557 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 558 | { "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, 0, |
e407c74b | 559 | mips_cp0_names_r5900, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 560 | { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, 0, |
bbcc0807 | 561 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 562 | { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, |
5a7ea749 | 563 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 564 | { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, |
5a7ea749 | 565 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 566 | { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, 0, |
bbcc0807 | 567 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 568 | { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, 0, |
bbcc0807 | 569 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 570 | { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, 0, |
bbcc0807 | 571 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 572 | { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, 0, |
3aa3176b | 573 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 574 | { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, 0, |
3aa3176b | 575 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 576 | { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, 0, |
bbcc0807 CD |
577 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
578 | ||
640c0ccd CD |
579 | /* For stock MIPS32, disassemble all applicable MIPS-specified ASEs. |
580 | Note that MIPS-3D and MDMX are not applicable to MIPS32. (See | |
581 | _MIPS32 Architecture For Programmers Volume I: Introduction to the | |
582 | MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95), | |
583 | page 1. */ | |
584 | { "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32, | |
d301a56b | 585 | ISA_MIPS32, ASE_SMARTMIPS, |
bbcc0807 CD |
586 | mips_cp0_names_mips3264, |
587 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
588 | mips_hwr_names_numeric }, | |
589 | ||
af7ee8bf | 590 | { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2, |
d301a56b | 591 | ISA_MIPS32R2, |
7f3c4072 CM |
592 | (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D |
593 | | ASE_MT | ASE_MCU | ASE_VIRT), | |
bbcc0807 CD |
594 | mips_cp0_names_mips3264r2, |
595 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
596 | mips_hwr_names_mips3264r2 }, | |
597 | ||
640c0ccd CD |
598 | /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */ |
599 | { "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64, | |
d301a56b | 600 | ISA_MIPS64, ASE_MIPS3D | ASE_MDMX, |
bbcc0807 CD |
601 | mips_cp0_names_mips3264, |
602 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
603 | mips_hwr_names_numeric }, | |
604 | ||
5f74bc13 | 605 | { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2, |
d301a56b | 606 | ISA_MIPS64R2, |
7f3c4072 CM |
607 | (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT |
608 | | ASE_MDMX | ASE_MCU | ASE_VIRT | ASE_VIRT64), | |
5f74bc13 CD |
609 | mips_cp0_names_mips3264r2, |
610 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
611 | mips_hwr_names_mips3264r2 }, | |
612 | ||
640c0ccd | 613 | { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1, |
d301a56b | 614 | ISA_MIPS64 | INSN_SB1, ASE_MIPS3D, |
bbcc0807 CD |
615 | mips_cp0_names_sb1, |
616 | mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1), | |
617 | mips_hwr_names_numeric }, | |
640c0ccd | 618 | |
350cc38d | 619 | { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E, |
d301a56b | 620 | ISA_MIPS3 | INSN_LOONGSON_2E, 0, mips_cp0_names_numeric, |
350cc38d MS |
621 | NULL, 0, mips_hwr_names_numeric }, |
622 | ||
623 | { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F, | |
d301a56b | 624 | ISA_MIPS3 | INSN_LOONGSON_2F, 0, mips_cp0_names_numeric, |
350cc38d MS |
625 | NULL, 0, mips_hwr_names_numeric }, |
626 | ||
fd503541 | 627 | { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A, |
d301a56b | 628 | ISA_MIPS64 | INSN_LOONGSON_3A, 0, mips_cp0_names_numeric, |
fd503541 NC |
629 | NULL, 0, mips_hwr_names_numeric }, |
630 | ||
57b592a3 | 631 | { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON, |
d301a56b | 632 | ISA_MIPS64R2 | INSN_OCTEON, 0, mips_cp0_names_numeric, NULL, 0, |
57b592a3 AN |
633 | mips_hwr_names_numeric }, |
634 | ||
dd6a37e7 | 635 | { "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP, |
d301a56b | 636 | ISA_MIPS64R2 | INSN_OCTEONP, 0, mips_cp0_names_numeric, |
432233b3 AP |
637 | NULL, 0, mips_hwr_names_numeric }, |
638 | ||
639 | { "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2, | |
d301a56b | 640 | ISA_MIPS64R2 | INSN_OCTEON2, 0, mips_cp0_names_numeric, |
dd6a37e7 AP |
641 | NULL, 0, mips_hwr_names_numeric }, |
642 | ||
52b6b6b9 | 643 | { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR, |
d301a56b | 644 | ISA_MIPS64 | INSN_XLR, 0, |
52b6b6b9 JM |
645 | mips_cp0_names_xlr, |
646 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
647 | mips_hwr_names_numeric }, | |
648 | ||
55a36193 MK |
649 | /* XLP is mostly like XLR, with the prominent exception it is being |
650 | MIPS64R2. */ | |
651 | { "xlp", 1, bfd_mach_mips_xlr, CPU_XLR, | |
d301a56b | 652 | ISA_MIPS64R2 | INSN_XLR, 0, |
55a36193 MK |
653 | mips_cp0_names_xlr, |
654 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
655 | mips_hwr_names_numeric }, | |
656 | ||
640c0ccd CD |
657 | /* This entry, mips16, is here only for ISA/processor selection; do |
658 | not print its name. */ | |
d301a56b | 659 | { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3, 0, |
bbcc0807 | 660 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd CD |
661 | }; |
662 | ||
663 | /* ISA and processor type to disassemble for, and register names to use. | |
664 | set_default_mips_dis_options and parse_mips_dis_options fill in these | |
665 | values. */ | |
666 | static int mips_processor; | |
667 | static int mips_isa; | |
d301a56b | 668 | static int mips_ase; |
df58fc94 | 669 | static int micromips_ase; |
640c0ccd CD |
670 | static const char * const *mips_gpr_names; |
671 | static const char * const *mips_fpr_names; | |
672 | static const char * const *mips_cp0_names; | |
bbcc0807 CD |
673 | static const struct mips_cp0sel_name *mips_cp0sel_names; |
674 | static int mips_cp0sel_names_len; | |
af7ee8bf | 675 | static const char * const *mips_hwr_names; |
640c0ccd | 676 | |
986e18a5 | 677 | /* Other options */ |
47b0e7ad | 678 | static int no_aliases; /* If set disassemble as most general inst. */ |
640c0ccd CD |
679 | \f |
680 | static const struct mips_abi_choice * | |
47b0e7ad | 681 | choose_abi_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
682 | { |
683 | const struct mips_abi_choice *c; | |
684 | unsigned int i; | |
685 | ||
686 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++) | |
47b0e7ad NC |
687 | if (strncmp (mips_abi_choices[i].name, name, namelen) == 0 |
688 | && strlen (mips_abi_choices[i].name) == namelen) | |
689 | c = &mips_abi_choices[i]; | |
690 | ||
640c0ccd CD |
691 | return c; |
692 | } | |
693 | ||
694 | static const struct mips_arch_choice * | |
47b0e7ad | 695 | choose_arch_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
696 | { |
697 | const struct mips_arch_choice *c = NULL; | |
698 | unsigned int i; | |
699 | ||
700 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
47b0e7ad NC |
701 | if (strncmp (mips_arch_choices[i].name, name, namelen) == 0 |
702 | && strlen (mips_arch_choices[i].name) == namelen) | |
703 | c = &mips_arch_choices[i]; | |
704 | ||
640c0ccd CD |
705 | return c; |
706 | } | |
707 | ||
708 | static const struct mips_arch_choice * | |
47b0e7ad | 709 | choose_arch_by_number (unsigned long mach) |
640c0ccd CD |
710 | { |
711 | static unsigned long hint_bfd_mach; | |
712 | static const struct mips_arch_choice *hint_arch_choice; | |
713 | const struct mips_arch_choice *c; | |
714 | unsigned int i; | |
715 | ||
716 | /* We optimize this because even if the user specifies no | |
717 | flags, this will be done for every instruction! */ | |
718 | if (hint_bfd_mach == mach | |
719 | && hint_arch_choice != NULL | |
720 | && hint_arch_choice->bfd_mach == hint_bfd_mach) | |
721 | return hint_arch_choice; | |
722 | ||
723 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
724 | { | |
725 | if (mips_arch_choices[i].bfd_mach_valid | |
726 | && mips_arch_choices[i].bfd_mach == mach) | |
727 | { | |
728 | c = &mips_arch_choices[i]; | |
729 | hint_bfd_mach = mach; | |
730 | hint_arch_choice = c; | |
731 | } | |
732 | } | |
733 | return c; | |
734 | } | |
735 | ||
47b0e7ad NC |
736 | /* Check if the object uses NewABI conventions. */ |
737 | ||
738 | static int | |
739 | is_newabi (Elf_Internal_Ehdr *header) | |
740 | { | |
741 | /* There are no old-style ABIs which use 64-bit ELF. */ | |
742 | if (header->e_ident[EI_CLASS] == ELFCLASS64) | |
743 | return 1; | |
744 | ||
745 | /* If a 32-bit ELF file, n32 is a new-style ABI. */ | |
746 | if ((header->e_flags & EF_MIPS_ABI2) != 0) | |
747 | return 1; | |
748 | ||
749 | return 0; | |
750 | } | |
751 | ||
df58fc94 RS |
752 | /* Check if the object has microMIPS ASE code. */ |
753 | ||
754 | static int | |
755 | is_micromips (Elf_Internal_Ehdr *header) | |
756 | { | |
757 | if ((header->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0) | |
758 | return 1; | |
759 | ||
760 | return 0; | |
761 | } | |
762 | ||
47b0e7ad NC |
763 | static void |
764 | set_default_mips_dis_options (struct disassemble_info *info) | |
640c0ccd CD |
765 | { |
766 | const struct mips_arch_choice *chosen_arch; | |
767 | ||
df58fc94 RS |
768 | /* Defaults: mipsIII/r3000 (?!), no microMIPS ASE (any compressed code |
769 | is MIPS16 ASE) (o)32-style ("oldabi") GPR names, and numeric FPR, | |
770 | CP0 register, and HWR names. */ | |
640c0ccd | 771 | mips_isa = ISA_MIPS3; |
df58fc94 RS |
772 | mips_processor = CPU_R3000; |
773 | micromips_ase = 0; | |
d301a56b | 774 | mips_ase = 0; |
640c0ccd CD |
775 | mips_gpr_names = mips_gpr_names_oldabi; |
776 | mips_fpr_names = mips_fpr_names_numeric; | |
777 | mips_cp0_names = mips_cp0_names_numeric; | |
bbcc0807 CD |
778 | mips_cp0sel_names = NULL; |
779 | mips_cp0sel_names_len = 0; | |
af7ee8bf | 780 | mips_hwr_names = mips_hwr_names_numeric; |
986e18a5 | 781 | no_aliases = 0; |
640c0ccd | 782 | |
df58fc94 | 783 | /* Update settings according to the ELF file header flags. */ |
fec06546 | 784 | if (info->flavour == bfd_target_elf_flavour && info->section != NULL) |
640c0ccd CD |
785 | { |
786 | Elf_Internal_Ehdr *header; | |
787 | ||
fec06546 | 788 | header = elf_elfheader (info->section->owner); |
df58fc94 | 789 | /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */ |
640c0ccd CD |
790 | if (is_newabi (header)) |
791 | mips_gpr_names = mips_gpr_names_newabi; | |
df58fc94 RS |
792 | /* If a microMIPS binary, then don't use MIPS16 bindings. */ |
793 | micromips_ase = is_micromips (header); | |
640c0ccd CD |
794 | } |
795 | ||
796 | /* Set ISA, architecture, and cp0 register names as best we can. */ | |
797 | #if ! SYMTAB_AVAILABLE | |
798 | /* This is running out on a target machine, not in a host tool. | |
799 | FIXME: Where does mips_target_info come from? */ | |
800 | target_processor = mips_target_info.processor; | |
801 | mips_isa = mips_target_info.isa; | |
d301a56b | 802 | mips_ase = mips_target_info.ase; |
640c0ccd CD |
803 | #else |
804 | chosen_arch = choose_arch_by_number (info->mach); | |
805 | if (chosen_arch != NULL) | |
806 | { | |
807 | mips_processor = chosen_arch->processor; | |
808 | mips_isa = chosen_arch->isa; | |
d301a56b | 809 | mips_ase = chosen_arch->ase; |
bbcc0807 CD |
810 | mips_cp0_names = chosen_arch->cp0_names; |
811 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
812 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
813 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
814 | } |
815 | #endif | |
816 | } | |
817 | ||
47b0e7ad NC |
818 | static void |
819 | parse_mips_dis_option (const char *option, unsigned int len) | |
640c0ccd CD |
820 | { |
821 | unsigned int i, optionlen, vallen; | |
822 | const char *val; | |
823 | const struct mips_abi_choice *chosen_abi; | |
824 | const struct mips_arch_choice *chosen_arch; | |
825 | ||
986e18a5 | 826 | /* Try to match options that are simple flags */ |
0112cd26 | 827 | if (CONST_STRNEQ (option, "no-aliases")) |
986e18a5 FF |
828 | { |
829 | no_aliases = 1; | |
830 | return; | |
831 | } | |
b015e599 AP |
832 | |
833 | if (CONST_STRNEQ (option, "virt")) | |
834 | { | |
d301a56b | 835 | mips_ase |= ASE_VIRT; |
b015e599 | 836 | if (mips_isa & ISA_MIPS64R2) |
d301a56b | 837 | mips_ase |= ASE_VIRT64; |
b015e599 AP |
838 | return; |
839 | } | |
986e18a5 | 840 | |
640c0ccd CD |
841 | /* Look for the = that delimits the end of the option name. */ |
842 | for (i = 0; i < len; i++) | |
47b0e7ad NC |
843 | if (option[i] == '=') |
844 | break; | |
845 | ||
640c0ccd CD |
846 | if (i == 0) /* Invalid option: no name before '='. */ |
847 | return; | |
848 | if (i == len) /* Invalid option: no '='. */ | |
849 | return; | |
850 | if (i == (len - 1)) /* Invalid option: no value after '='. */ | |
851 | return; | |
852 | ||
853 | optionlen = i; | |
854 | val = option + (optionlen + 1); | |
855 | vallen = len - (optionlen + 1); | |
856 | ||
47b0e7ad NC |
857 | if (strncmp ("gpr-names", option, optionlen) == 0 |
858 | && strlen ("gpr-names") == optionlen) | |
640c0ccd CD |
859 | { |
860 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 861 | if (chosen_abi != NULL) |
640c0ccd CD |
862 | mips_gpr_names = chosen_abi->gpr_names; |
863 | return; | |
864 | } | |
865 | ||
47b0e7ad NC |
866 | if (strncmp ("fpr-names", option, optionlen) == 0 |
867 | && strlen ("fpr-names") == optionlen) | |
640c0ccd CD |
868 | { |
869 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 870 | if (chosen_abi != NULL) |
640c0ccd CD |
871 | mips_fpr_names = chosen_abi->fpr_names; |
872 | return; | |
873 | } | |
874 | ||
47b0e7ad NC |
875 | if (strncmp ("cp0-names", option, optionlen) == 0 |
876 | && strlen ("cp0-names") == optionlen) | |
640c0ccd CD |
877 | { |
878 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 CD |
879 | if (chosen_arch != NULL) |
880 | { | |
881 | mips_cp0_names = chosen_arch->cp0_names; | |
882 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
883 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
884 | } | |
640c0ccd CD |
885 | return; |
886 | } | |
887 | ||
47b0e7ad NC |
888 | if (strncmp ("hwr-names", option, optionlen) == 0 |
889 | && strlen ("hwr-names") == optionlen) | |
af7ee8bf CD |
890 | { |
891 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 | 892 | if (chosen_arch != NULL) |
af7ee8bf CD |
893 | mips_hwr_names = chosen_arch->hwr_names; |
894 | return; | |
895 | } | |
896 | ||
47b0e7ad NC |
897 | if (strncmp ("reg-names", option, optionlen) == 0 |
898 | && strlen ("reg-names") == optionlen) | |
640c0ccd CD |
899 | { |
900 | /* We check both ABI and ARCH here unconditionally, so | |
901 | that "numeric" will do the desirable thing: select | |
902 | numeric register names for all registers. Other than | |
903 | that, a given name probably won't match both. */ | |
904 | chosen_abi = choose_abi_by_name (val, vallen); | |
905 | if (chosen_abi != NULL) | |
906 | { | |
bbcc0807 CD |
907 | mips_gpr_names = chosen_abi->gpr_names; |
908 | mips_fpr_names = chosen_abi->fpr_names; | |
640c0ccd CD |
909 | } |
910 | chosen_arch = choose_arch_by_name (val, vallen); | |
911 | if (chosen_arch != NULL) | |
912 | { | |
bbcc0807 CD |
913 | mips_cp0_names = chosen_arch->cp0_names; |
914 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
915 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
916 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
917 | } |
918 | return; | |
919 | } | |
920 | ||
921 | /* Invalid option. */ | |
922 | } | |
923 | ||
47b0e7ad NC |
924 | static void |
925 | parse_mips_dis_options (const char *options) | |
640c0ccd CD |
926 | { |
927 | const char *option_end; | |
928 | ||
929 | if (options == NULL) | |
930 | return; | |
931 | ||
932 | while (*options != '\0') | |
933 | { | |
934 | /* Skip empty options. */ | |
935 | if (*options == ',') | |
936 | { | |
937 | options++; | |
938 | continue; | |
939 | } | |
940 | ||
941 | /* We know that *options is neither NUL or a comma. */ | |
942 | option_end = options + 1; | |
943 | while (*option_end != ',' && *option_end != '\0') | |
944 | option_end++; | |
945 | ||
946 | parse_mips_dis_option (options, option_end - options); | |
947 | ||
948 | /* Go on to the next one. If option_end points to a comma, it | |
949 | will be skipped above. */ | |
950 | options = option_end; | |
951 | } | |
952 | } | |
953 | ||
bbcc0807 | 954 | static const struct mips_cp0sel_name * |
47b0e7ad NC |
955 | lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names, |
956 | unsigned int len, | |
957 | unsigned int cp0reg, | |
958 | unsigned int sel) | |
bbcc0807 CD |
959 | { |
960 | unsigned int i; | |
961 | ||
962 | for (i = 0; i < len; i++) | |
963 | if (names[i].cp0reg == cp0reg && names[i].sel == sel) | |
964 | return &names[i]; | |
965 | return NULL; | |
966 | } | |
252b5132 | 967 | \f |
7f6621cd | 968 | /* Print insn arguments for 32/64-bit code. */ |
aa5f19f2 | 969 | |
794ac9d0 | 970 | static void |
47b0e7ad | 971 | print_insn_args (const char *d, |
fc8c4fd1 | 972 | int l, |
47b0e7ad | 973 | bfd_vma pc, |
cc0ca239 TS |
974 | struct disassemble_info *info, |
975 | const struct mips_opcode *opp) | |
252b5132 | 976 | { |
fc8c4fd1 | 977 | const fprintf_ftype infprintf = info->fprintf_func; |
fa7616a4 | 978 | unsigned int lsb, msb, msbd, cpreg; |
fc8c4fd1 | 979 | void *is = info->stream; |
440cc0bc CD |
980 | |
981 | lsb = 0; | |
252b5132 | 982 | |
fc8c4fd1 MR |
983 | #define GET_OP(insn, field) \ |
984 | (((insn) >> OP_SH_##field) & OP_MASK_##field) | |
985 | #define GET_OP_S(insn, field) \ | |
986 | ((GET_OP (insn, field) ^ ((OP_MASK_##field >> 1) + 1)) \ | |
987 | - ((OP_MASK_##field >> 1) + 1)) | |
794ac9d0 | 988 | for (; *d != '\0'; d++) |
252b5132 | 989 | { |
af7ee8bf CD |
990 | switch (*d) |
991 | { | |
794ac9d0 CD |
992 | case ',': |
993 | case '(': | |
994 | case ')': | |
995 | case '[': | |
996 | case ']': | |
fc8c4fd1 | 997 | infprintf (is, "%c", *d); |
794ac9d0 CD |
998 | break; |
999 | ||
1000 | case '+': | |
1001 | /* Extension character; switch for second char. */ | |
1002 | d++; | |
1003 | switch (*d) | |
1004 | { | |
1005 | case '\0': | |
1006 | /* xgettext:c-format */ | |
fc8c4fd1 MR |
1007 | infprintf (is, |
1008 | _("# internal error, " | |
1009 | "incomplete extension sequence (+)")); | |
794ac9d0 CD |
1010 | return; |
1011 | ||
1012 | case 'A': | |
fc8c4fd1 MR |
1013 | lsb = GET_OP (l, SHAMT); |
1014 | infprintf (is, "0x%x", lsb); | |
794ac9d0 CD |
1015 | break; |
1016 | ||
1017 | case 'B': | |
fc8c4fd1 MR |
1018 | msb = GET_OP (l, INSMSB); |
1019 | infprintf (is, "0x%x", msb - lsb + 1); | |
794ac9d0 CD |
1020 | break; |
1021 | ||
9bcd4f99 | 1022 | case '1': |
fc8c4fd1 | 1023 | infprintf (is, "0x%x", GET_OP (l, UDI1)); |
9bcd4f99 TS |
1024 | break; |
1025 | ||
1026 | case '2': | |
fc8c4fd1 | 1027 | infprintf (is, "0x%x", GET_OP (l, UDI2)); |
9bcd4f99 TS |
1028 | break; |
1029 | ||
1030 | case '3': | |
fc8c4fd1 | 1031 | infprintf (is, "0x%x", GET_OP (l, UDI3)); |
9bcd4f99 TS |
1032 | break; |
1033 | ||
1034 | case '4': | |
fc8c4fd1 | 1035 | infprintf (is, "0x%x", GET_OP (l, UDI4)); |
9bcd4f99 TS |
1036 | break; |
1037 | ||
794ac9d0 | 1038 | case 'C': |
5f74bc13 | 1039 | case 'H': |
fc8c4fd1 MR |
1040 | msbd = GET_OP (l, EXTMSBD); |
1041 | infprintf (is, "0x%x", msbd + 1); | |
794ac9d0 CD |
1042 | break; |
1043 | ||
5f74bc13 | 1044 | case 'E': |
fc8c4fd1 MR |
1045 | lsb = GET_OP (l, SHAMT) + 32; |
1046 | infprintf (is, "0x%x", lsb); | |
5f74bc13 CD |
1047 | break; |
1048 | ||
1049 | case 'F': | |
fc8c4fd1 MR |
1050 | msb = GET_OP (l, INSMSB) + 32; |
1051 | infprintf (is, "0x%x", msb - lsb + 1); | |
5f74bc13 CD |
1052 | break; |
1053 | ||
1054 | case 'G': | |
fc8c4fd1 MR |
1055 | msbd = GET_OP (l, EXTMSBD) + 32; |
1056 | infprintf (is, "0x%x", msbd + 1); | |
5f74bc13 CD |
1057 | break; |
1058 | ||
b015e599 AP |
1059 | case 'J': /* hypcall operand */ |
1060 | infprintf (is, "0x%x", GET_OP (l, CODE10)); | |
1061 | break; | |
1062 | ||
61cc0267 | 1063 | case 't': /* Coprocessor 0 reg name */ |
fc8c4fd1 | 1064 | infprintf (is, "%s", mips_cp0_names[GET_OP (l, RT)]); |
61cc0267 CF |
1065 | break; |
1066 | ||
bb35fb24 | 1067 | case 'x': /* bbit bit index */ |
fc8c4fd1 | 1068 | infprintf (is, "0x%x", GET_OP (l, BBITIND)); |
bb35fb24 NC |
1069 | break; |
1070 | ||
1071 | case 'p': /* cins, cins32, exts and exts32 position */ | |
fc8c4fd1 | 1072 | infprintf (is, "0x%x", GET_OP (l, CINSPOS)); |
bb35fb24 NC |
1073 | break; |
1074 | ||
23e69e47 RS |
1075 | case 's': /* cins32 and exts32 length-minus-one */ |
1076 | case 'S': /* cins and exts length-minus-one field */ | |
fc8c4fd1 | 1077 | infprintf (is, "0x%x", GET_OP (l, CINSLM1)); |
bb35fb24 NC |
1078 | break; |
1079 | ||
dd3cbb7e | 1080 | case 'Q': /* seqi/snei immediate field */ |
fc8c4fd1 | 1081 | infprintf (is, "%d", GET_OP_S (l, SEQI)); |
dd3cbb7e NC |
1082 | break; |
1083 | ||
98675402 | 1084 | case 'a': /* 8-bit signed offset in bit 6 */ |
fc8c4fd1 | 1085 | infprintf (is, "%d", GET_OP_S (l, OFFSET_A)); |
98675402 RS |
1086 | break; |
1087 | ||
1088 | case 'b': /* 8-bit signed offset in bit 3 */ | |
fc8c4fd1 | 1089 | infprintf (is, "%d", GET_OP_S (l, OFFSET_B)); |
98675402 RS |
1090 | break; |
1091 | ||
1092 | case 'c': /* 9-bit signed offset in bit 6 */ | |
c95354ed | 1093 | /* Left shift 4 bits to print the real offset. */ |
fc8c4fd1 | 1094 | infprintf (is, "%d", GET_OP_S (l, OFFSET_C) << 4); |
98675402 RS |
1095 | break; |
1096 | ||
1097 | case 'z': | |
fc8c4fd1 | 1098 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RZ)]); |
98675402 RS |
1099 | break; |
1100 | ||
1101 | case 'Z': | |
fc8c4fd1 | 1102 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FZ)]); |
98675402 RS |
1103 | break; |
1104 | ||
27c5c572 RS |
1105 | case 'i': /* JALX destination */ |
1106 | info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff) | |
1107 | | (GET_OP (l, TARGET) << 2)); | |
1108 | /* For gdb disassembler, force odd address on jalx. */ | |
1109 | if (info->flavour == bfd_target_unknown_flavour) | |
1110 | info->target |= 1; | |
1111 | (*info->print_address_func) (info->target, info); | |
1112 | break; | |
1113 | ||
7f3c4072 CM |
1114 | case 'j': /* 9-bit signed offset in bit 7. */ |
1115 | infprintf (is, "%d", GET_OP_S (l, EVAOFFSET)); | |
1116 | break; | |
1117 | ||
794ac9d0 CD |
1118 | default: |
1119 | /* xgettext:c-format */ | |
fc8c4fd1 MR |
1120 | infprintf (is, |
1121 | _("# internal error, " | |
1122 | "undefined extension sequence (+%c)"), | |
1123 | *d); | |
794ac9d0 CD |
1124 | return; |
1125 | } | |
1126 | break; | |
1127 | ||
8b082fb1 | 1128 | case '2': |
fc8c4fd1 | 1129 | infprintf (is, "0x%x", GET_OP (l, BP)); |
8b082fb1 TS |
1130 | break; |
1131 | ||
fd25c5a9 | 1132 | case '3': |
fc8c4fd1 | 1133 | infprintf (is, "0x%x", GET_OP (l, SA3)); |
fd25c5a9 CF |
1134 | break; |
1135 | ||
1136 | case '4': | |
fc8c4fd1 | 1137 | infprintf (is, "0x%x", GET_OP (l, SA4)); |
fd25c5a9 CF |
1138 | break; |
1139 | ||
1140 | case '5': | |
fc8c4fd1 | 1141 | infprintf (is, "0x%x", GET_OP (l, IMM8)); |
fd25c5a9 CF |
1142 | break; |
1143 | ||
1144 | case '6': | |
fc8c4fd1 | 1145 | infprintf (is, "0x%x", GET_OP (l, RS)); |
fd25c5a9 CF |
1146 | break; |
1147 | ||
1148 | case '7': | |
fc8c4fd1 | 1149 | infprintf (is, "$ac%d", GET_OP (l, DSPACC)); |
fd25c5a9 CF |
1150 | break; |
1151 | ||
1152 | case '8': | |
fc8c4fd1 | 1153 | infprintf (is, "0x%x", GET_OP (l, WRDSP)); |
fd25c5a9 CF |
1154 | break; |
1155 | ||
1156 | case '9': | |
fc8c4fd1 | 1157 | infprintf (is, "$ac%d", GET_OP (l, DSPACC_S)); |
fd25c5a9 CF |
1158 | break; |
1159 | ||
1160 | case '0': /* dsp 6-bit signed immediate in bit 20 */ | |
fc8c4fd1 | 1161 | infprintf (is, "%d", GET_OP_S (l, DSPSFT)); |
fd25c5a9 CF |
1162 | break; |
1163 | ||
1164 | case ':': /* dsp 7-bit signed immediate in bit 19 */ | |
fc8c4fd1 | 1165 | infprintf (is, "%d", GET_OP_S (l, DSPSFT_7)); |
fd25c5a9 CF |
1166 | break; |
1167 | ||
dec0624d | 1168 | case '~': |
fc8c4fd1 | 1169 | infprintf (is, "%d", GET_OP_S (l, OFFSET12)); |
dec0624d MR |
1170 | break; |
1171 | ||
1172 | case '\\': | |
fc8c4fd1 | 1173 | infprintf (is, "0x%x", GET_OP (l, 3BITPOS)); |
dec0624d MR |
1174 | break; |
1175 | ||
fd25c5a9 | 1176 | case '\'': |
fc8c4fd1 | 1177 | infprintf (is, "0x%x", GET_OP (l, RDDSP)); |
fd25c5a9 CF |
1178 | break; |
1179 | ||
1180 | case '@': /* dsp 10-bit signed immediate in bit 16 */ | |
fc8c4fd1 | 1181 | infprintf (is, "%d", GET_OP_S (l, IMM10)); |
fd25c5a9 CF |
1182 | break; |
1183 | ||
61cc0267 | 1184 | case '!': |
fc8c4fd1 | 1185 | infprintf (is, "%d", GET_OP (l, MT_U)); |
61cc0267 CF |
1186 | break; |
1187 | ||
1188 | case '$': | |
fc8c4fd1 | 1189 | infprintf (is, "%d", GET_OP (l, MT_H)); |
61cc0267 CF |
1190 | break; |
1191 | ||
1192 | case '*': | |
fc8c4fd1 | 1193 | infprintf (is, "$ac%d", GET_OP (l, MTACC_T)); |
61cc0267 CF |
1194 | break; |
1195 | ||
1196 | case '&': | |
fc8c4fd1 | 1197 | infprintf (is, "$ac%d", GET_OP (l, MTACC_D)); |
61cc0267 CF |
1198 | break; |
1199 | ||
1200 | case 'g': | |
1201 | /* Coprocessor register for CTTC1, MTTC2, MTHC2, CTTC2. */ | |
fc8c4fd1 | 1202 | infprintf (is, "$%d", GET_OP (l, RD)); |
61cc0267 CF |
1203 | break; |
1204 | ||
794ac9d0 CD |
1205 | case 's': |
1206 | case 'b': | |
1207 | case 'r': | |
1208 | case 'v': | |
fc8c4fd1 | 1209 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RS)]); |
794ac9d0 CD |
1210 | break; |
1211 | ||
1212 | case 't': | |
1213 | case 'w': | |
fc8c4fd1 | 1214 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RT)]); |
794ac9d0 CD |
1215 | break; |
1216 | ||
1217 | case 'i': | |
1218 | case 'u': | |
fc8c4fd1 | 1219 | infprintf (is, "0x%x", GET_OP (l, IMMEDIATE)); |
794ac9d0 CD |
1220 | break; |
1221 | ||
1222 | case 'j': /* Same as i, but sign-extended. */ | |
1223 | case 'o': | |
fc8c4fd1 | 1224 | infprintf (is, "%d", GET_OP_S (l, DELTA)); |
794ac9d0 CD |
1225 | break; |
1226 | ||
1227 | case 'h': | |
fc8c4fd1 | 1228 | infprintf (is, "0x%x", GET_OP (l, PREFX)); |
794ac9d0 CD |
1229 | break; |
1230 | ||
1231 | case 'k': | |
fc8c4fd1 | 1232 | infprintf (is, "0x%x", GET_OP (l, CACHE)); |
794ac9d0 CD |
1233 | break; |
1234 | ||
1235 | case 'a': | |
1236 | info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff) | |
fc8c4fd1 | 1237 | | (GET_OP (l, TARGET) << 2)); |
794ac9d0 CD |
1238 | (*info->print_address_func) (info->target, info); |
1239 | break; | |
1240 | ||
1241 | case 'p': | |
1242 | /* Sign extend the displacement. */ | |
fc8c4fd1 | 1243 | info->target = (GET_OP_S (l, DELTA) << 2) + pc + INSNLEN; |
794ac9d0 CD |
1244 | (*info->print_address_func) (info->target, info); |
1245 | break; | |
1246 | ||
1247 | case 'd': | |
fc8c4fd1 | 1248 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RD)]); |
794ac9d0 CD |
1249 | break; |
1250 | ||
1251 | case 'U': | |
1252 | { | |
1253 | /* First check for both rd and rt being equal. */ | |
314d60dd ME |
1254 | unsigned int reg; |
1255 | ||
1256 | reg = GET_OP (l, RD); | |
fc8c4fd1 MR |
1257 | if (reg == GET_OP (l, RT)) |
1258 | infprintf (is, "%s", mips_gpr_names[reg]); | |
794ac9d0 CD |
1259 | else |
1260 | { | |
1261 | /* If one is zero use the other. */ | |
1262 | if (reg == 0) | |
fc8c4fd1 MR |
1263 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RT)]); |
1264 | else if (GET_OP (l, RT) == 0) | |
1265 | infprintf (is, "%s", mips_gpr_names[reg]); | |
794ac9d0 | 1266 | else /* Bogus, result depends on processor. */ |
fc8c4fd1 MR |
1267 | infprintf (is, "%s or %s", |
1268 | mips_gpr_names[reg], | |
1269 | mips_gpr_names[GET_OP (l, RT)]); | |
794ac9d0 CD |
1270 | } |
1271 | } | |
1272 | break; | |
1273 | ||
1274 | case 'z': | |
fc8c4fd1 | 1275 | infprintf (is, "%s", mips_gpr_names[0]); |
794ac9d0 CD |
1276 | break; |
1277 | ||
1278 | case '<': | |
4dc48ef6 | 1279 | case '1': |
fc8c4fd1 | 1280 | infprintf (is, "0x%x", GET_OP (l, SHAMT)); |
af7ee8bf | 1281 | break; |
794ac9d0 CD |
1282 | |
1283 | case 'c': | |
fc8c4fd1 | 1284 | infprintf (is, "0x%x", GET_OP (l, CODE)); |
794ac9d0 CD |
1285 | break; |
1286 | ||
1287 | case 'q': | |
fc8c4fd1 | 1288 | infprintf (is, "0x%x", GET_OP (l, CODE2)); |
af7ee8bf CD |
1289 | break; |
1290 | ||
1291 | case 'C': | |
fc8c4fd1 | 1292 | infprintf (is, "0x%x", GET_OP (l, COPZ)); |
794ac9d0 CD |
1293 | break; |
1294 | ||
1295 | case 'B': | |
fc8c4fd1 | 1296 | infprintf (is, "0x%x", GET_OP (l, CODE20)); |
794ac9d0 CD |
1297 | break; |
1298 | ||
1299 | case 'J': | |
fc8c4fd1 | 1300 | infprintf (is, "0x%x", GET_OP (l, CODE19)); |
794ac9d0 CD |
1301 | break; |
1302 | ||
1303 | case 'S': | |
1304 | case 'V': | |
fc8c4fd1 | 1305 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FS)]); |
794ac9d0 CD |
1306 | break; |
1307 | ||
1308 | case 'T': | |
1309 | case 'W': | |
fc8c4fd1 | 1310 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FT)]); |
af7ee8bf CD |
1311 | break; |
1312 | ||
bbcc0807 | 1313 | case 'D': |
fc8c4fd1 | 1314 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FD)]); |
794ac9d0 CD |
1315 | break; |
1316 | ||
1317 | case 'R': | |
fc8c4fd1 | 1318 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FR)]); |
794ac9d0 CD |
1319 | break; |
1320 | ||
1321 | case 'E': | |
fa7616a4 RS |
1322 | cpreg = GET_OP (l, RT); |
1323 | goto copro; | |
794ac9d0 CD |
1324 | |
1325 | case 'G': | |
fa7616a4 RS |
1326 | cpreg = GET_OP (l, RD); |
1327 | copro: | |
794ac9d0 CD |
1328 | /* Coprocessor register for mtcN instructions, et al. Note |
1329 | that FPU (cp1) instructions disassemble this field using | |
1330 | 'S' format. Therefore, we only need to worry about cp0, | |
1331 | cp2, and cp3. */ | |
fa7616a4 RS |
1332 | if (opp->name[strlen (opp->name) - 1] == '0') |
1333 | { | |
1334 | if (d[1] == ',' && d[2] == 'H') | |
1335 | { | |
1336 | const struct mips_cp0sel_name *n; | |
1337 | unsigned int sel; | |
1338 | ||
1339 | sel = GET_OP (l, SEL); | |
1340 | ||
1341 | /* CP0 register including 'sel' code for mtcN (et al.), to be | |
1342 | printed textually if known. If not known, print both | |
1343 | CP0 register name and sel numerically since CP0 register | |
1344 | with sel 0 may have a name unrelated to register being | |
1345 | printed. */ | |
1346 | n = lookup_mips_cp0sel_name (mips_cp0sel_names, | |
1347 | mips_cp0sel_names_len, | |
1348 | cpreg, sel); | |
1349 | if (n != NULL) | |
1350 | infprintf (is, "%s", n->name); | |
1351 | else | |
1352 | infprintf (is, "$%d,%d", cpreg, sel); | |
1353 | d += 2; | |
1354 | } | |
1355 | else | |
1356 | infprintf (is, "%s", mips_cp0_names[cpreg]); | |
1357 | } | |
794ac9d0 | 1358 | else |
fa7616a4 | 1359 | infprintf (is, "$%d", cpreg); |
794ac9d0 CD |
1360 | break; |
1361 | ||
1362 | case 'K': | |
fc8c4fd1 | 1363 | infprintf (is, "%s", mips_hwr_names[GET_OP (l, RD)]); |
794ac9d0 CD |
1364 | break; |
1365 | ||
1366 | case 'N': | |
fc8c4fd1 MR |
1367 | infprintf (is, |
1368 | (opp->pinfo & (FP_D | FP_S)) != 0 ? "$fcc%d" : "$cc%d", | |
1369 | GET_OP (l, BCC)); | |
794ac9d0 CD |
1370 | break; |
1371 | ||
1372 | case 'M': | |
fc8c4fd1 | 1373 | infprintf (is, "$fcc%d", GET_OP (l, CCC)); |
794ac9d0 CD |
1374 | break; |
1375 | ||
1376 | case 'P': | |
fc8c4fd1 | 1377 | infprintf (is, "%d", GET_OP (l, PERFREG)); |
794ac9d0 CD |
1378 | break; |
1379 | ||
1380 | case 'e': | |
fc8c4fd1 | 1381 | infprintf (is, "%d", GET_OP (l, VECBYTE)); |
794ac9d0 CD |
1382 | break; |
1383 | ||
1384 | case '%': | |
fc8c4fd1 | 1385 | infprintf (is, "%d", GET_OP (l, VECALIGN)); |
794ac9d0 CD |
1386 | break; |
1387 | ||
1388 | case 'H': | |
fc8c4fd1 | 1389 | infprintf (is, "%d", GET_OP (l, SEL)); |
794ac9d0 CD |
1390 | break; |
1391 | ||
1392 | case 'O': | |
fc8c4fd1 | 1393 | infprintf (is, "%d", GET_OP (l, ALN)); |
794ac9d0 CD |
1394 | break; |
1395 | ||
1396 | case 'Q': | |
bbcc0807 | 1397 | { |
fc8c4fd1 | 1398 | unsigned int vsel = GET_OP (l, VSEL); |
47b0e7ad | 1399 | |
794ac9d0 CD |
1400 | if ((vsel & 0x10) == 0) |
1401 | { | |
1402 | int fmt; | |
47b0e7ad | 1403 | |
794ac9d0 CD |
1404 | vsel &= 0x0f; |
1405 | for (fmt = 0; fmt < 3; fmt++, vsel >>= 1) | |
1406 | if ((vsel & 1) == 0) | |
1407 | break; | |
fc8c4fd1 | 1408 | infprintf (is, "$v%d[%d]", GET_OP (l, FT), vsel >> 1); |
794ac9d0 CD |
1409 | } |
1410 | else if ((vsel & 0x08) == 0) | |
1411 | { | |
fc8c4fd1 | 1412 | infprintf (is, "$v%d", GET_OP (l, FT)); |
794ac9d0 | 1413 | } |
bbcc0807 | 1414 | else |
794ac9d0 | 1415 | { |
fc8c4fd1 | 1416 | infprintf (is, "0x%x", GET_OP (l, FT)); |
794ac9d0 | 1417 | } |
bbcc0807 | 1418 | } |
794ac9d0 CD |
1419 | break; |
1420 | ||
1421 | case 'X': | |
fc8c4fd1 | 1422 | infprintf (is, "$v%d", GET_OP (l, FD)); |
794ac9d0 CD |
1423 | break; |
1424 | ||
1425 | case 'Y': | |
fc8c4fd1 | 1426 | infprintf (is, "$v%d", GET_OP (l, FS)); |
794ac9d0 CD |
1427 | break; |
1428 | ||
1429 | case 'Z': | |
fc8c4fd1 | 1430 | infprintf (is, "$v%d", GET_OP (l, FT)); |
794ac9d0 | 1431 | break; |
bbcc0807 | 1432 | |
af7ee8bf CD |
1433 | default: |
1434 | /* xgettext:c-format */ | |
fc8c4fd1 | 1435 | infprintf (is, _("# internal error, undefined modifier (%c)"), *d); |
794ac9d0 | 1436 | return; |
af7ee8bf | 1437 | } |
252b5132 RH |
1438 | } |
1439 | } | |
1440 | \f | |
252b5132 RH |
1441 | /* Print the mips instruction at address MEMADDR in debugged memory, |
1442 | on using INFO. Returns length of the instruction, in bytes, which is | |
aa5f19f2 | 1443 | always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if |
252b5132 RH |
1444 | this is little-endian code. */ |
1445 | ||
1446 | static int | |
47b0e7ad | 1447 | print_insn_mips (bfd_vma memaddr, |
fc8c4fd1 | 1448 | int word, |
47b0e7ad | 1449 | struct disassemble_info *info) |
252b5132 | 1450 | { |
fc8c4fd1 MR |
1451 | static const struct mips_opcode *mips_hash[OP_MASK_OP + 1]; |
1452 | const fprintf_ftype infprintf = info->fprintf_func; | |
47b0e7ad | 1453 | const struct mips_opcode *op; |
b34976b6 | 1454 | static bfd_boolean init = 0; |
fc8c4fd1 | 1455 | void *is = info->stream; |
252b5132 RH |
1456 | |
1457 | /* Build a hash table to shorten the search time. */ | |
1458 | if (! init) | |
1459 | { | |
1460 | unsigned int i; | |
1461 | ||
1462 | for (i = 0; i <= OP_MASK_OP; i++) | |
1463 | { | |
1464 | for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++) | |
1465 | { | |
986e18a5 | 1466 | if (op->pinfo == INSN_MACRO |
9e836e3d | 1467 | || (no_aliases && (op->pinfo2 & INSN2_ALIAS))) |
252b5132 | 1468 | continue; |
fc8c4fd1 | 1469 | if (i == GET_OP (op->match, OP)) |
252b5132 RH |
1470 | { |
1471 | mips_hash[i] = op; | |
1472 | break; | |
1473 | } | |
1474 | } | |
7f6621cd | 1475 | } |
252b5132 RH |
1476 | |
1477 | init = 1; | |
1478 | } | |
1479 | ||
aa5f19f2 | 1480 | info->bytes_per_chunk = INSNLEN; |
252b5132 | 1481 | info->display_endian = info->endian; |
9bb28706 CD |
1482 | info->insn_info_valid = 1; |
1483 | info->branch_delay_insns = 0; | |
def7143b | 1484 | info->data_size = 0; |
9bb28706 CD |
1485 | info->insn_type = dis_nonbranch; |
1486 | info->target = 0; | |
1487 | info->target2 = 0; | |
252b5132 | 1488 | |
fc8c4fd1 | 1489 | op = mips_hash[GET_OP (word, OP)]; |
252b5132 RH |
1490 | if (op != NULL) |
1491 | { | |
1492 | for (; op < &mips_opcodes[NUMOPCODES]; op++) | |
1493 | { | |
986e18a5 | 1494 | if (op->pinfo != INSN_MACRO |
9e836e3d | 1495 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) |
986e18a5 | 1496 | && (word & op->mask) == op->match) |
252b5132 | 1497 | { |
47b0e7ad | 1498 | const char *d; |
2bd7f1f3 | 1499 | |
3396de36 | 1500 | /* We always allow to disassemble the jalx instruction. */ |
d301a56b | 1501 | if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor) |
3396de36 | 1502 | && strcmp (op->name, "jalx")) |
252b5132 RH |
1503 | continue; |
1504 | ||
9bb28706 CD |
1505 | /* Figure out instruction type and branch delay information. */ |
1506 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) | |
1507 | { | |
c680e7f6 MR |
1508 | if ((op->pinfo & (INSN_WRITE_GPR_31 |
1509 | | INSN_WRITE_GPR_D)) != 0) | |
9bb28706 CD |
1510 | info->insn_type = dis_jsr; |
1511 | else | |
1512 | info->insn_type = dis_branch; | |
1513 | info->branch_delay_insns = 1; | |
1514 | } | |
1515 | else if ((op->pinfo & (INSN_COND_BRANCH_DELAY | |
1516 | | INSN_COND_BRANCH_LIKELY)) != 0) | |
1517 | { | |
c680e7f6 | 1518 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
9bb28706 CD |
1519 | info->insn_type = dis_condjsr; |
1520 | else | |
1521 | info->insn_type = dis_condbranch; | |
1522 | info->branch_delay_insns = 1; | |
1523 | } | |
1524 | else if ((op->pinfo & (INSN_STORE_MEMORY | |
1525 | | INSN_LOAD_MEMORY_DELAY)) != 0) | |
1526 | info->insn_type = dis_dref; | |
1527 | ||
fc8c4fd1 | 1528 | infprintf (is, "%s", op->name); |
252b5132 RH |
1529 | |
1530 | d = op->args; | |
1531 | if (d != NULL && *d != '\0') | |
1532 | { | |
fc8c4fd1 | 1533 | infprintf (is, "\t"); |
cc0ca239 | 1534 | print_insn_args (d, word, memaddr, info, op); |
252b5132 RH |
1535 | } |
1536 | ||
aa5f19f2 | 1537 | return INSNLEN; |
252b5132 RH |
1538 | } |
1539 | } | |
1540 | } | |
fc8c4fd1 MR |
1541 | #undef GET_OP_S |
1542 | #undef GET_OP | |
252b5132 RH |
1543 | |
1544 | /* Handle undefined instructions. */ | |
9bb28706 | 1545 | info->insn_type = dis_noninsn; |
fc8c4fd1 | 1546 | infprintf (is, "0x%x", word); |
aa5f19f2 | 1547 | return INSNLEN; |
252b5132 | 1548 | } |
aa5f19f2 | 1549 | \f |
252b5132 RH |
1550 | /* Disassemble an operand for a mips16 instruction. */ |
1551 | ||
1552 | static void | |
47b0e7ad NC |
1553 | print_mips16_insn_arg (char type, |
1554 | const struct mips_opcode *op, | |
1555 | int l, | |
1556 | bfd_boolean use_extend, | |
1557 | int extend, | |
1558 | bfd_vma memaddr, | |
1559 | struct disassemble_info *info) | |
252b5132 | 1560 | { |
fc8c4fd1 MR |
1561 | const fprintf_ftype infprintf = info->fprintf_func; |
1562 | void *is = info->stream; | |
1563 | ||
1564 | #define GET_OP(insn, field) \ | |
1565 | (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field) | |
1566 | #define GET_OP_S(insn, field) \ | |
1567 | ((GET_OP (insn, field) ^ ((MIPS16OP_MASK_##field >> 1) + 1)) \ | |
1568 | - ((MIPS16OP_MASK_##field >> 1) + 1)) | |
252b5132 RH |
1569 | switch (type) |
1570 | { | |
1571 | case ',': | |
1572 | case '(': | |
1573 | case ')': | |
fc8c4fd1 | 1574 | infprintf (is, "%c", type); |
252b5132 RH |
1575 | break; |
1576 | ||
1577 | case 'y': | |
1578 | case 'w': | |
fc8c4fd1 | 1579 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, RY))); |
252b5132 RH |
1580 | break; |
1581 | ||
1582 | case 'x': | |
1583 | case 'v': | |
fc8c4fd1 | 1584 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, RX))); |
252b5132 RH |
1585 | break; |
1586 | ||
1587 | case 'z': | |
fc8c4fd1 | 1588 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, RZ))); |
252b5132 RH |
1589 | break; |
1590 | ||
1591 | case 'Z': | |
fc8c4fd1 | 1592 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, MOVE32Z))); |
252b5132 RH |
1593 | break; |
1594 | ||
1595 | case '0': | |
fc8c4fd1 | 1596 | infprintf (is, "%s", mips_gpr_names[0]); |
252b5132 RH |
1597 | break; |
1598 | ||
1599 | case 'S': | |
fc8c4fd1 | 1600 | infprintf (is, "%s", mips_gpr_names[29]); |
252b5132 RH |
1601 | break; |
1602 | ||
1603 | case 'P': | |
fc8c4fd1 | 1604 | infprintf (is, "$pc"); |
252b5132 RH |
1605 | break; |
1606 | ||
1607 | case 'R': | |
fc8c4fd1 | 1608 | infprintf (is, "%s", mips_gpr_names[31]); |
252b5132 RH |
1609 | break; |
1610 | ||
1611 | case 'X': | |
fc8c4fd1 | 1612 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, REGR32)]); |
252b5132 RH |
1613 | break; |
1614 | ||
1615 | case 'Y': | |
fc8c4fd1 | 1616 | infprintf (is, "%s", mips_gpr_names[MIPS16OP_EXTRACT_REG32R (l)]); |
252b5132 RH |
1617 | break; |
1618 | ||
1619 | case '<': | |
1620 | case '>': | |
1621 | case '[': | |
1622 | case ']': | |
1623 | case '4': | |
1624 | case '5': | |
1625 | case 'H': | |
1626 | case 'W': | |
1627 | case 'D': | |
1628 | case 'j': | |
1629 | case '6': | |
1630 | case '8': | |
1631 | case 'V': | |
1632 | case 'C': | |
1633 | case 'U': | |
1634 | case 'k': | |
1635 | case 'K': | |
1636 | case 'p': | |
1637 | case 'q': | |
1638 | case 'A': | |
1639 | case 'B': | |
1640 | case 'E': | |
1641 | { | |
1642 | int immed, nbits, shift, signedp, extbits, pcrel, extu, branch; | |
1643 | ||
1644 | shift = 0; | |
1645 | signedp = 0; | |
1646 | extbits = 16; | |
1647 | pcrel = 0; | |
1648 | extu = 0; | |
1649 | branch = 0; | |
1650 | switch (type) | |
1651 | { | |
1652 | case '<': | |
1653 | nbits = 3; | |
fc8c4fd1 | 1654 | immed = GET_OP (l, RZ); |
252b5132 RH |
1655 | extbits = 5; |
1656 | extu = 1; | |
1657 | break; | |
1658 | case '>': | |
1659 | nbits = 3; | |
fc8c4fd1 | 1660 | immed = GET_OP (l, RX); |
252b5132 RH |
1661 | extbits = 5; |
1662 | extu = 1; | |
1663 | break; | |
1664 | case '[': | |
1665 | nbits = 3; | |
fc8c4fd1 | 1666 | immed = GET_OP (l, RZ); |
252b5132 RH |
1667 | extbits = 6; |
1668 | extu = 1; | |
1669 | break; | |
1670 | case ']': | |
1671 | nbits = 3; | |
fc8c4fd1 | 1672 | immed = GET_OP (l, RX); |
252b5132 RH |
1673 | extbits = 6; |
1674 | extu = 1; | |
1675 | break; | |
1676 | case '4': | |
1677 | nbits = 4; | |
fc8c4fd1 | 1678 | immed = GET_OP (l, IMM4); |
252b5132 RH |
1679 | signedp = 1; |
1680 | extbits = 15; | |
1681 | break; | |
1682 | case '5': | |
1683 | nbits = 5; | |
fc8c4fd1 | 1684 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1685 | info->insn_type = dis_dref; |
1686 | info->data_size = 1; | |
1687 | break; | |
1688 | case 'H': | |
1689 | nbits = 5; | |
1690 | shift = 1; | |
fc8c4fd1 | 1691 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1692 | info->insn_type = dis_dref; |
1693 | info->data_size = 2; | |
1694 | break; | |
1695 | case 'W': | |
1696 | nbits = 5; | |
1697 | shift = 2; | |
fc8c4fd1 | 1698 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1699 | if ((op->pinfo & MIPS16_INSN_READ_PC) == 0 |
1700 | && (op->pinfo & MIPS16_INSN_READ_SP) == 0) | |
1701 | { | |
1702 | info->insn_type = dis_dref; | |
1703 | info->data_size = 4; | |
1704 | } | |
1705 | break; | |
1706 | case 'D': | |
1707 | nbits = 5; | |
1708 | shift = 3; | |
fc8c4fd1 | 1709 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1710 | info->insn_type = dis_dref; |
1711 | info->data_size = 8; | |
1712 | break; | |
1713 | case 'j': | |
1714 | nbits = 5; | |
fc8c4fd1 | 1715 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1716 | signedp = 1; |
1717 | break; | |
1718 | case '6': | |
1719 | nbits = 6; | |
fc8c4fd1 | 1720 | immed = GET_OP (l, IMM6); |
252b5132 RH |
1721 | break; |
1722 | case '8': | |
1723 | nbits = 8; | |
fc8c4fd1 | 1724 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1725 | break; |
1726 | case 'V': | |
1727 | nbits = 8; | |
1728 | shift = 2; | |
fc8c4fd1 | 1729 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1730 | /* FIXME: This might be lw, or it might be addiu to $sp or |
1731 | $pc. We assume it's load. */ | |
1732 | info->insn_type = dis_dref; | |
1733 | info->data_size = 4; | |
1734 | break; | |
1735 | case 'C': | |
1736 | nbits = 8; | |
1737 | shift = 3; | |
fc8c4fd1 | 1738 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1739 | info->insn_type = dis_dref; |
1740 | info->data_size = 8; | |
1741 | break; | |
1742 | case 'U': | |
1743 | nbits = 8; | |
fc8c4fd1 | 1744 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1745 | extu = 1; |
1746 | break; | |
1747 | case 'k': | |
1748 | nbits = 8; | |
fc8c4fd1 | 1749 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1750 | signedp = 1; |
1751 | break; | |
1752 | case 'K': | |
1753 | nbits = 8; | |
1754 | shift = 3; | |
fc8c4fd1 | 1755 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1756 | signedp = 1; |
1757 | break; | |
1758 | case 'p': | |
1759 | nbits = 8; | |
fc8c4fd1 | 1760 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1761 | signedp = 1; |
1762 | pcrel = 1; | |
1763 | branch = 1; | |
252b5132 RH |
1764 | break; |
1765 | case 'q': | |
1766 | nbits = 11; | |
fc8c4fd1 | 1767 | immed = GET_OP (l, IMM11); |
252b5132 RH |
1768 | signedp = 1; |
1769 | pcrel = 1; | |
1770 | branch = 1; | |
252b5132 RH |
1771 | break; |
1772 | case 'A': | |
1773 | nbits = 8; | |
1774 | shift = 2; | |
fc8c4fd1 | 1775 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1776 | pcrel = 1; |
1777 | /* FIXME: This can be lw or la. We assume it is lw. */ | |
1778 | info->insn_type = dis_dref; | |
1779 | info->data_size = 4; | |
1780 | break; | |
1781 | case 'B': | |
1782 | nbits = 5; | |
1783 | shift = 3; | |
fc8c4fd1 | 1784 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1785 | pcrel = 1; |
1786 | info->insn_type = dis_dref; | |
1787 | info->data_size = 8; | |
1788 | break; | |
1789 | case 'E': | |
1790 | nbits = 5; | |
1791 | shift = 2; | |
fc8c4fd1 | 1792 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1793 | pcrel = 1; |
1794 | break; | |
1795 | default: | |
1796 | abort (); | |
1797 | } | |
1798 | ||
1799 | if (! use_extend) | |
1800 | { | |
1801 | if (signedp && immed >= (1 << (nbits - 1))) | |
1802 | immed -= 1 << nbits; | |
1803 | immed <<= shift; | |
1804 | if ((type == '<' || type == '>' || type == '[' || type == ']') | |
1805 | && immed == 0) | |
1806 | immed = 8; | |
1807 | } | |
1808 | else | |
1809 | { | |
1810 | if (extbits == 16) | |
1811 | immed |= ((extend & 0x1f) << 11) | (extend & 0x7e0); | |
1812 | else if (extbits == 15) | |
1813 | immed |= ((extend & 0xf) << 11) | (extend & 0x7f0); | |
1814 | else | |
1815 | immed = ((extend >> 6) & 0x1f) | (extend & 0x20); | |
1816 | immed &= (1 << extbits) - 1; | |
1817 | if (! extu && immed >= (1 << (extbits - 1))) | |
1818 | immed -= 1 << extbits; | |
1819 | } | |
1820 | ||
1821 | if (! pcrel) | |
fc8c4fd1 | 1822 | infprintf (is, "%d", immed); |
252b5132 RH |
1823 | else |
1824 | { | |
1825 | bfd_vma baseaddr; | |
252b5132 RH |
1826 | |
1827 | if (branch) | |
1828 | { | |
1829 | immed *= 2; | |
1830 | baseaddr = memaddr + 2; | |
1831 | } | |
1832 | else if (use_extend) | |
1833 | baseaddr = memaddr - 2; | |
1834 | else | |
1835 | { | |
1836 | int status; | |
1837 | bfd_byte buffer[2]; | |
1838 | ||
1839 | baseaddr = memaddr; | |
1840 | ||
1841 | /* If this instruction is in the delay slot of a jr | |
1842 | instruction, the base address is the address of the | |
1843 | jr instruction. If it is in the delay slot of jalr | |
1844 | instruction, the base address is the address of the | |
1845 | jalr instruction. This test is unreliable: we have | |
1846 | no way of knowing whether the previous word is | |
1847 | instruction or data. */ | |
1848 | status = (*info->read_memory_func) (memaddr - 4, buffer, 2, | |
1849 | info); | |
1850 | if (status == 0 | |
1851 | && (((info->endian == BFD_ENDIAN_BIG | |
1852 | ? bfd_getb16 (buffer) | |
1853 | : bfd_getl16 (buffer)) | |
1854 | & 0xf800) == 0x1800)) | |
1855 | baseaddr = memaddr - 4; | |
1856 | else | |
1857 | { | |
1858 | status = (*info->read_memory_func) (memaddr - 2, buffer, | |
1859 | 2, info); | |
1860 | if (status == 0 | |
1861 | && (((info->endian == BFD_ENDIAN_BIG | |
1862 | ? bfd_getb16 (buffer) | |
1863 | : bfd_getl16 (buffer)) | |
1864 | & 0xf81f) == 0xe800)) | |
1865 | baseaddr = memaddr - 2; | |
1866 | } | |
1867 | } | |
9bb28706 | 1868 | info->target = (baseaddr & ~((1 << shift) - 1)) + immed; |
022fac6d TS |
1869 | if (pcrel && branch |
1870 | && info->flavour == bfd_target_unknown_flavour) | |
1871 | /* For gdb disassembler, maintain odd address. */ | |
1872 | info->target |= 1; | |
9bb28706 | 1873 | (*info->print_address_func) (info->target, info); |
252b5132 RH |
1874 | } |
1875 | } | |
1876 | break; | |
1877 | ||
1878 | case 'a': | |
27c5c572 | 1879 | case 'i': |
022fac6d | 1880 | { |
022fac6d TS |
1881 | if (! use_extend) |
1882 | extend = 0; | |
1883 | l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2); | |
27c5c572 | 1884 | if (type == 'a' && info->flavour == bfd_target_unknown_flavour) |
022fac6d TS |
1885 | /* For gdb disassembler, maintain odd address. */ |
1886 | l |= 1; | |
1887 | } | |
9bb28706 CD |
1888 | info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l; |
1889 | (*info->print_address_func) (info->target, info); | |
252b5132 RH |
1890 | break; |
1891 | ||
1892 | case 'l': | |
1893 | case 'L': | |
1894 | { | |
1895 | int need_comma, amask, smask; | |
1896 | ||
1897 | need_comma = 0; | |
1898 | ||
fc8c4fd1 | 1899 | l = GET_OP (l, IMM6); |
252b5132 RH |
1900 | |
1901 | amask = (l >> 3) & 7; | |
1902 | ||
1903 | if (amask > 0 && amask < 5) | |
1904 | { | |
fc8c4fd1 | 1905 | infprintf (is, "%s", mips_gpr_names[4]); |
252b5132 | 1906 | if (amask > 1) |
fc8c4fd1 | 1907 | infprintf (is, "-%s", mips_gpr_names[amask + 3]); |
252b5132 RH |
1908 | need_comma = 1; |
1909 | } | |
1910 | ||
1911 | smask = (l >> 1) & 3; | |
1912 | if (smask == 3) | |
1913 | { | |
fc8c4fd1 | 1914 | infprintf (is, "%s??", need_comma ? "," : ""); |
252b5132 RH |
1915 | need_comma = 1; |
1916 | } | |
1917 | else if (smask > 0) | |
1918 | { | |
fc8c4fd1 | 1919 | infprintf (is, "%s%s", need_comma ? "," : "", mips_gpr_names[16]); |
252b5132 | 1920 | if (smask > 1) |
fc8c4fd1 | 1921 | infprintf (is, "-%s", mips_gpr_names[smask + 15]); |
252b5132 RH |
1922 | need_comma = 1; |
1923 | } | |
1924 | ||
1925 | if (l & 1) | |
1926 | { | |
fc8c4fd1 | 1927 | infprintf (is, "%s%s", need_comma ? "," : "", mips_gpr_names[31]); |
252b5132 RH |
1928 | need_comma = 1; |
1929 | } | |
1930 | ||
1931 | if (amask == 5 || amask == 6) | |
1932 | { | |
fc8c4fd1 | 1933 | infprintf (is, "%s$f0", need_comma ? "," : ""); |
252b5132 | 1934 | if (amask == 6) |
fc8c4fd1 | 1935 | infprintf (is, "-$f1"); |
252b5132 RH |
1936 | } |
1937 | } | |
1938 | break; | |
1939 | ||
0499d65b TS |
1940 | case 'm': |
1941 | case 'M': | |
1942 | /* MIPS16e save/restore. */ | |
1943 | { | |
1944 | int need_comma = 0; | |
1945 | int amask, args, statics; | |
1946 | int nsreg, smask; | |
1947 | int framesz; | |
1948 | int i, j; | |
1949 | ||
1950 | l = l & 0x7f; | |
1951 | if (use_extend) | |
1952 | l |= extend << 16; | |
1953 | ||
1954 | amask = (l >> 16) & 0xf; | |
1955 | if (amask == MIPS16_ALL_ARGS) | |
1956 | { | |
1957 | args = 4; | |
1958 | statics = 0; | |
1959 | } | |
1960 | else if (amask == MIPS16_ALL_STATICS) | |
1961 | { | |
1962 | args = 0; | |
1963 | statics = 4; | |
1964 | } | |
1965 | else | |
1966 | { | |
1967 | args = amask >> 2; | |
1968 | statics = amask & 3; | |
1969 | } | |
1970 | ||
1971 | if (args > 0) { | |
fc8c4fd1 | 1972 | infprintf (is, "%s", mips_gpr_names[4]); |
0499d65b | 1973 | if (args > 1) |
fc8c4fd1 | 1974 | infprintf (is, "-%s", mips_gpr_names[4 + args - 1]); |
0499d65b TS |
1975 | need_comma = 1; |
1976 | } | |
1977 | ||
1978 | framesz = (((l >> 16) & 0xf0) | (l & 0x0f)) * 8; | |
1979 | if (framesz == 0 && !use_extend) | |
1980 | framesz = 128; | |
1981 | ||
fc8c4fd1 | 1982 | infprintf (is, "%s%d", need_comma ? "," : "", framesz); |
0499d65b TS |
1983 | |
1984 | if (l & 0x40) /* $ra */ | |
fc8c4fd1 | 1985 | infprintf (is, ",%s", mips_gpr_names[31]); |
0499d65b TS |
1986 | |
1987 | nsreg = (l >> 24) & 0x7; | |
1988 | smask = 0; | |
1989 | if (l & 0x20) /* $s0 */ | |
1990 | smask |= 1 << 0; | |
1991 | if (l & 0x10) /* $s1 */ | |
1992 | smask |= 1 << 1; | |
1993 | if (nsreg > 0) /* $s2-$s8 */ | |
1994 | smask |= ((1 << nsreg) - 1) << 2; | |
1995 | ||
1996 | /* Find first set static reg bit. */ | |
1997 | for (i = 0; i < 9; i++) | |
1998 | { | |
1999 | if (smask & (1 << i)) | |
2000 | { | |
fc8c4fd1 | 2001 | infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]); |
0499d65b TS |
2002 | /* Skip over string of set bits. */ |
2003 | for (j = i; smask & (2 << j); j++) | |
2004 | continue; | |
2005 | if (j > i) | |
fc8c4fd1 | 2006 | infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]); |
0499d65b TS |
2007 | i = j + 1; |
2008 | } | |
2009 | } | |
2010 | ||
2011 | /* Statics $ax - $a3. */ | |
2012 | if (statics == 1) | |
fc8c4fd1 | 2013 | infprintf (is, ",%s", mips_gpr_names[7]); |
0499d65b | 2014 | else if (statics > 0) |
fc8c4fd1 MR |
2015 | infprintf (is, ",%s-%s", |
2016 | mips_gpr_names[7 - statics + 1], | |
2017 | mips_gpr_names[7]); | |
0499d65b TS |
2018 | } |
2019 | break; | |
2020 | ||
252b5132 | 2021 | default: |
aa5f19f2 | 2022 | /* xgettext:c-format */ |
fc8c4fd1 MR |
2023 | infprintf (is, |
2024 | _("# internal disassembler error, " | |
2025 | "unrecognised modifier (%c)"), | |
2026 | type); | |
252b5132 RH |
2027 | abort (); |
2028 | } | |
2029 | } | |
640c0ccd | 2030 | |
1bbce132 MR |
2031 | |
2032 | /* Check if the given address is the last word of a MIPS16 PLT entry. | |
2033 | This word is data and depending on the value it may interfere with | |
2034 | disassembly of further PLT entries. We make use of the fact PLT | |
2035 | symbols are marked BSF_SYNTHETIC. */ | |
2036 | static bfd_boolean | |
2037 | is_mips16_plt_tail (struct disassemble_info *info, bfd_vma addr) | |
2038 | { | |
2039 | if (info->symbols | |
2040 | && info->symbols[0] | |
2041 | && (info->symbols[0]->flags & BSF_SYNTHETIC) | |
2042 | && addr == bfd_asymbol_value (info->symbols[0]) + 12) | |
2043 | return TRUE; | |
2044 | ||
2045 | return FALSE; | |
2046 | } | |
2047 | ||
47b0e7ad NC |
2048 | /* Disassemble mips16 instructions. */ |
2049 | ||
2050 | static int | |
2051 | print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info) | |
2052 | { | |
fc8c4fd1 | 2053 | const fprintf_ftype infprintf = info->fprintf_func; |
47b0e7ad | 2054 | int status; |
1bbce132 | 2055 | bfd_byte buffer[4]; |
47b0e7ad NC |
2056 | int length; |
2057 | int insn; | |
2058 | bfd_boolean use_extend; | |
2059 | int extend = 0; | |
2060 | const struct mips_opcode *op, *opend; | |
fc8c4fd1 | 2061 | void *is = info->stream; |
47b0e7ad NC |
2062 | |
2063 | info->bytes_per_chunk = 2; | |
2064 | info->display_endian = info->endian; | |
2065 | info->insn_info_valid = 1; | |
2066 | info->branch_delay_insns = 0; | |
2067 | info->data_size = 0; | |
47b0e7ad NC |
2068 | info->target = 0; |
2069 | info->target2 = 0; | |
2070 | ||
1bbce132 MR |
2071 | /* Decode PLT entry's GOT slot address word. */ |
2072 | if (is_mips16_plt_tail (info, memaddr)) | |
2073 | { | |
2074 | info->insn_type = dis_noninsn; | |
2075 | status = (*info->read_memory_func) (memaddr, buffer, 4, info); | |
2076 | if (status == 0) | |
2077 | { | |
2078 | unsigned int gotslot; | |
2079 | ||
2080 | if (info->endian == BFD_ENDIAN_BIG) | |
2081 | gotslot = bfd_getb32 (buffer); | |
2082 | else | |
2083 | gotslot = bfd_getl32 (buffer); | |
2084 | infprintf (is, ".word\t0x%x", gotslot); | |
2085 | ||
2086 | return 4; | |
2087 | } | |
2088 | } | |
2089 | else | |
2090 | { | |
2091 | info->insn_type = dis_nonbranch; | |
2092 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2093 | } | |
47b0e7ad NC |
2094 | if (status != 0) |
2095 | { | |
2096 | (*info->memory_error_func) (status, memaddr, info); | |
2097 | return -1; | |
2098 | } | |
2099 | ||
2100 | length = 2; | |
2101 | ||
2102 | if (info->endian == BFD_ENDIAN_BIG) | |
2103 | insn = bfd_getb16 (buffer); | |
2104 | else | |
2105 | insn = bfd_getl16 (buffer); | |
2106 | ||
2107 | /* Handle the extend opcode specially. */ | |
2108 | use_extend = FALSE; | |
2109 | if ((insn & 0xf800) == 0xf000) | |
2110 | { | |
2111 | use_extend = TRUE; | |
2112 | extend = insn & 0x7ff; | |
2113 | ||
2114 | memaddr += 2; | |
2115 | ||
2116 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2117 | if (status != 0) | |
2118 | { | |
fc8c4fd1 | 2119 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
2120 | (*info->memory_error_func) (status, memaddr, info); |
2121 | return -1; | |
2122 | } | |
2123 | ||
2124 | if (info->endian == BFD_ENDIAN_BIG) | |
2125 | insn = bfd_getb16 (buffer); | |
2126 | else | |
2127 | insn = bfd_getl16 (buffer); | |
2128 | ||
2129 | /* Check for an extend opcode followed by an extend opcode. */ | |
2130 | if ((insn & 0xf800) == 0xf000) | |
2131 | { | |
fc8c4fd1 | 2132 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
2133 | info->insn_type = dis_noninsn; |
2134 | return length; | |
2135 | } | |
2136 | ||
2137 | length += 2; | |
2138 | } | |
2139 | ||
2140 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
2141 | ||
2142 | opend = mips16_opcodes + bfd_mips16_num_opcodes; | |
2143 | for (op = mips16_opcodes; op < opend; op++) | |
2144 | { | |
2145 | if (op->pinfo != INSN_MACRO | |
2146 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
2147 | && (insn & op->mask) == op->match) | |
2148 | { | |
2149 | const char *s; | |
2150 | ||
27c5c572 | 2151 | if (op->args[0] == 'a' || op->args[0] == 'i') |
47b0e7ad NC |
2152 | { |
2153 | if (use_extend) | |
2154 | { | |
fc8c4fd1 | 2155 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
2156 | info->insn_type = dis_noninsn; |
2157 | return length - 2; | |
2158 | } | |
2159 | ||
2160 | use_extend = FALSE; | |
2161 | ||
2162 | memaddr += 2; | |
2163 | ||
2164 | status = (*info->read_memory_func) (memaddr, buffer, 2, | |
2165 | info); | |
2166 | if (status == 0) | |
2167 | { | |
2168 | use_extend = TRUE; | |
2169 | if (info->endian == BFD_ENDIAN_BIG) | |
2170 | extend = bfd_getb16 (buffer); | |
2171 | else | |
2172 | extend = bfd_getl16 (buffer); | |
2173 | length += 2; | |
2174 | } | |
2175 | } | |
2176 | ||
fc8c4fd1 | 2177 | infprintf (is, "%s", op->name); |
47b0e7ad | 2178 | if (op->args[0] != '\0') |
fc8c4fd1 | 2179 | infprintf (is, "\t"); |
47b0e7ad NC |
2180 | |
2181 | for (s = op->args; *s != '\0'; s++) | |
2182 | { | |
2183 | if (*s == ',' | |
2184 | && s[1] == 'w' | |
fc8c4fd1 | 2185 | && GET_OP (insn, RX) == GET_OP (insn, RY)) |
47b0e7ad NC |
2186 | { |
2187 | /* Skip the register and the comma. */ | |
2188 | ++s; | |
2189 | continue; | |
2190 | } | |
2191 | if (*s == ',' | |
2192 | && s[1] == 'v' | |
fc8c4fd1 | 2193 | && GET_OP (insn, RZ) == GET_OP (insn, RX)) |
47b0e7ad NC |
2194 | { |
2195 | /* Skip the register and the comma. */ | |
2196 | ++s; | |
2197 | continue; | |
2198 | } | |
2199 | print_mips16_insn_arg (*s, op, insn, use_extend, extend, memaddr, | |
2200 | info); | |
2201 | } | |
2202 | ||
9a2c7088 | 2203 | /* Figure out branch instruction type and delay slot information. */ |
47b0e7ad | 2204 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) |
9a2c7088 MR |
2205 | info->branch_delay_insns = 1; |
2206 | if ((op->pinfo & (INSN_UNCOND_BRANCH_DELAY | |
2207 | | MIPS16_INSN_UNCOND_BRANCH)) != 0) | |
47b0e7ad | 2208 | { |
9a2c7088 MR |
2209 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
2210 | info->insn_type = dis_jsr; | |
2211 | else | |
47b0e7ad NC |
2212 | info->insn_type = dis_branch; |
2213 | } | |
9a2c7088 MR |
2214 | else if ((op->pinfo & MIPS16_INSN_COND_BRANCH) != 0) |
2215 | info->insn_type = dis_condbranch; | |
47b0e7ad NC |
2216 | |
2217 | return length; | |
2218 | } | |
2219 | } | |
fc8c4fd1 MR |
2220 | #undef GET_OP_S |
2221 | #undef GET_OP | |
47b0e7ad NC |
2222 | |
2223 | if (use_extend) | |
fc8c4fd1 MR |
2224 | infprintf (is, "0x%x", extend | 0xf000); |
2225 | infprintf (is, "0x%x", insn); | |
47b0e7ad NC |
2226 | info->insn_type = dis_noninsn; |
2227 | ||
2228 | return length; | |
2229 | } | |
2230 | ||
df58fc94 RS |
2231 | /* Disassemble microMIPS instructions. */ |
2232 | ||
2233 | static int | |
2234 | print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info) | |
2235 | { | |
0c7533d3 | 2236 | const fprintf_ftype infprintf = info->fprintf_func; |
df58fc94 RS |
2237 | const struct mips_opcode *op, *opend; |
2238 | unsigned int lsb, msbd, msb; | |
2239 | void *is = info->stream; | |
2240 | unsigned int regno; | |
2241 | bfd_byte buffer[2]; | |
2242 | int lastregno = 0; | |
2243 | int higher; | |
2244 | int length; | |
2245 | int status; | |
2246 | int delta; | |
2247 | int immed; | |
2248 | int insn; | |
2249 | ||
2250 | lsb = 0; | |
2251 | ||
2252 | info->bytes_per_chunk = 2; | |
2253 | info->display_endian = info->endian; | |
2254 | info->insn_info_valid = 1; | |
2255 | info->branch_delay_insns = 0; | |
2256 | info->data_size = 0; | |
2257 | info->insn_type = dis_nonbranch; | |
2258 | info->target = 0; | |
2259 | info->target2 = 0; | |
2260 | ||
2261 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2262 | if (status != 0) | |
2263 | { | |
2264 | (*info->memory_error_func) (status, memaddr, info); | |
2265 | return -1; | |
2266 | } | |
2267 | ||
2268 | length = 2; | |
2269 | ||
2270 | if (info->endian == BFD_ENDIAN_BIG) | |
2271 | insn = bfd_getb16 (buffer); | |
2272 | else | |
2273 | insn = bfd_getl16 (buffer); | |
2274 | ||
2275 | if ((insn & 0xfc00) == 0x7c00) | |
2276 | { | |
2277 | /* This is a 48-bit microMIPS instruction. */ | |
2278 | higher = insn; | |
2279 | ||
2280 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
2281 | if (status != 0) | |
2282 | { | |
0c7533d3 | 2283 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
2284 | (*info->memory_error_func) (status, memaddr + 2, info); |
2285 | return -1; | |
2286 | } | |
2287 | if (info->endian == BFD_ENDIAN_BIG) | |
2288 | insn = bfd_getb16 (buffer); | |
2289 | else | |
2290 | insn = bfd_getl16 (buffer); | |
2291 | higher = (higher << 16) | insn; | |
2292 | ||
2293 | status = (*info->read_memory_func) (memaddr + 4, buffer, 2, info); | |
2294 | if (status != 0) | |
2295 | { | |
0c7533d3 | 2296 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
2297 | (*info->memory_error_func) (status, memaddr + 4, info); |
2298 | return -1; | |
2299 | } | |
2300 | if (info->endian == BFD_ENDIAN_BIG) | |
2301 | insn = bfd_getb16 (buffer); | |
2302 | else | |
2303 | insn = bfd_getl16 (buffer); | |
0c7533d3 | 2304 | infprintf (is, "0x%x%04x (48-bit insn)", higher, insn); |
df58fc94 RS |
2305 | |
2306 | info->insn_type = dis_noninsn; | |
2307 | return 6; | |
2308 | } | |
2309 | else if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000) | |
2310 | { | |
2311 | /* This is a 32-bit microMIPS instruction. */ | |
2312 | higher = insn; | |
2313 | ||
2314 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
2315 | if (status != 0) | |
2316 | { | |
0c7533d3 | 2317 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
2318 | (*info->memory_error_func) (status, memaddr + 2, info); |
2319 | return -1; | |
2320 | } | |
2321 | ||
2322 | if (info->endian == BFD_ENDIAN_BIG) | |
2323 | insn = bfd_getb16 (buffer); | |
2324 | else | |
2325 | insn = bfd_getl16 (buffer); | |
2326 | ||
2327 | insn = insn | (higher << 16); | |
2328 | ||
2329 | length += 2; | |
2330 | } | |
2331 | ||
2332 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
2333 | ||
2334 | #define GET_OP(insn, field) \ | |
2335 | (((insn) >> MICROMIPSOP_SH_##field) & MICROMIPSOP_MASK_##field) | |
fc8c4fd1 MR |
2336 | #define GET_OP_S(insn, field) \ |
2337 | ((GET_OP (insn, field) ^ ((MICROMIPSOP_MASK_##field >> 1) + 1)) \ | |
2338 | - ((MICROMIPSOP_MASK_##field >> 1) + 1)) | |
df58fc94 RS |
2339 | opend = micromips_opcodes + bfd_micromips_num_opcodes; |
2340 | for (op = micromips_opcodes; op < opend; op++) | |
2341 | { | |
2342 | if (op->pinfo != INSN_MACRO | |
2343 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
2344 | && (insn & op->mask) == op->match | |
2345 | && ((length == 2 && (op->mask & 0xffff0000) == 0) | |
2346 | || (length == 4 && (op->mask & 0xffff0000) != 0))) | |
2347 | { | |
2348 | const char *s; | |
2349 | ||
0c7533d3 | 2350 | infprintf (is, "%s", op->name); |
df58fc94 | 2351 | if (op->args[0] != '\0') |
0c7533d3 | 2352 | infprintf (is, "\t"); |
df58fc94 RS |
2353 | |
2354 | for (s = op->args; *s != '\0'; s++) | |
2355 | { | |
2356 | switch (*s) | |
2357 | { | |
2358 | case ',': | |
2359 | case '(': | |
2360 | case ')': | |
0c7533d3 | 2361 | infprintf (is, "%c", *s); |
df58fc94 RS |
2362 | break; |
2363 | ||
2364 | case '.': | |
fc8c4fd1 | 2365 | infprintf (is, "%d", GET_OP_S (insn, OFFSET10)); |
df58fc94 RS |
2366 | break; |
2367 | ||
2368 | case '1': | |
d908c8af | 2369 | infprintf (is, "0x%x", GET_OP (insn, STYPE)); |
df58fc94 RS |
2370 | break; |
2371 | ||
03f66e8a | 2372 | case '2': |
48891606 | 2373 | infprintf (is, "0x%x", GET_OP (insn, BP)); |
03f66e8a MR |
2374 | break; |
2375 | ||
2376 | case '3': | |
48891606 | 2377 | infprintf (is, "0x%x", GET_OP (insn, SA3)); |
03f66e8a MR |
2378 | break; |
2379 | ||
2380 | case '4': | |
48891606 | 2381 | infprintf (is, "0x%x", GET_OP (insn, SA4)); |
03f66e8a MR |
2382 | break; |
2383 | ||
2384 | case '5': | |
48891606 | 2385 | infprintf (is, "0x%x", GET_OP (insn, IMM8)); |
03f66e8a MR |
2386 | break; |
2387 | ||
2388 | case '6': | |
48891606 | 2389 | infprintf (is, "0x%x", GET_OP (insn, RS)); |
03f66e8a MR |
2390 | break; |
2391 | ||
2392 | case '7': | |
48891606 | 2393 | infprintf (is, "$ac%d", GET_OP (insn, DSPACC)); |
03f66e8a MR |
2394 | break; |
2395 | ||
2396 | case '8': | |
48891606 | 2397 | infprintf (is, "0x%x", GET_OP (insn, WRDSP)); |
03f66e8a MR |
2398 | break; |
2399 | ||
2400 | case '0': /* DSP 6-bit signed immediate in bit 16. */ | |
2401 | delta = (GET_OP (insn, DSPSFT) ^ 0x20) - 0x20; | |
2402 | infprintf (is, "%d", delta); | |
2403 | break; | |
2404 | ||
df58fc94 | 2405 | case '<': |
d908c8af | 2406 | infprintf (is, "0x%x", GET_OP (insn, SHAMT)); |
df58fc94 RS |
2407 | break; |
2408 | ||
dec0624d | 2409 | case '\\': |
d908c8af | 2410 | infprintf (is, "0x%x", GET_OP (insn, 3BITPOS)); |
dec0624d MR |
2411 | break; |
2412 | ||
03f66e8a | 2413 | case '^': |
48891606 | 2414 | infprintf (is, "0x%x", GET_OP (insn, RD)); |
03f66e8a MR |
2415 | break; |
2416 | ||
df58fc94 | 2417 | case '|': |
d908c8af | 2418 | infprintf (is, "0x%x", GET_OP (insn, TRAP)); |
df58fc94 RS |
2419 | break; |
2420 | ||
2421 | case '~': | |
fc8c4fd1 | 2422 | infprintf (is, "%d", GET_OP_S (insn, OFFSET12)); |
df58fc94 RS |
2423 | break; |
2424 | ||
2425 | case 'a': | |
27c5c572 RS |
2426 | info->target = (((memaddr + 4) & ~(bfd_vma) 0x07ffffff) |
2427 | | (GET_OP (insn, TARGET) << 1)); | |
2428 | /* For gdb disassembler, maintain odd address. */ | |
2429 | if (info->flavour == bfd_target_unknown_flavour) | |
df58fc94 RS |
2430 | info->target |= 1; |
2431 | (*info->print_address_func) (info->target, info); | |
2432 | break; | |
2433 | ||
2434 | case 'b': | |
2435 | case 'r': | |
2436 | case 's': | |
2437 | case 'v': | |
0c7533d3 | 2438 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS)]); |
df58fc94 RS |
2439 | break; |
2440 | ||
2441 | case 'c': | |
d908c8af | 2442 | infprintf (is, "0x%x", GET_OP (insn, CODE)); |
df58fc94 RS |
2443 | break; |
2444 | ||
2445 | case 'd': | |
0c7533d3 | 2446 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RD)]); |
df58fc94 RS |
2447 | break; |
2448 | ||
2449 | case 'h': | |
d908c8af | 2450 | infprintf (is, "0x%x", GET_OP (insn, PREFX)); |
df58fc94 RS |
2451 | break; |
2452 | ||
2453 | case 'i': | |
2454 | case 'u': | |
d908c8af | 2455 | infprintf (is, "0x%x", GET_OP (insn, IMMEDIATE)); |
df58fc94 RS |
2456 | break; |
2457 | ||
2458 | case 'j': /* Same as i, but sign-extended. */ | |
2459 | case 'o': | |
fc8c4fd1 | 2460 | infprintf (is, "%d", GET_OP_S (insn, DELTA)); |
df58fc94 RS |
2461 | break; |
2462 | ||
2463 | case 'k': | |
0c7533d3 | 2464 | infprintf (is, "0x%x", GET_OP (insn, CACHE)); |
df58fc94 RS |
2465 | break; |
2466 | ||
2467 | case 'n': | |
2468 | { | |
2469 | int s_reg_encode; | |
2470 | ||
2471 | immed = GET_OP (insn, RT); | |
2472 | s_reg_encode = immed & 0xf; | |
2473 | if (s_reg_encode != 0) | |
2474 | { | |
2475 | if (s_reg_encode == 1) | |
0c7533d3 | 2476 | infprintf (is, "%s", mips_gpr_names[16]); |
df58fc94 | 2477 | else if (s_reg_encode < 9) |
0c7533d3 | 2478 | infprintf (is, "%s-%s", |
df58fc94 RS |
2479 | mips_gpr_names[16], |
2480 | mips_gpr_names[15 + s_reg_encode]); | |
2481 | else if (s_reg_encode == 9) | |
0c7533d3 | 2482 | infprintf (is, "%s-%s,%s", |
df58fc94 RS |
2483 | mips_gpr_names[16], |
2484 | mips_gpr_names[23], | |
2485 | mips_gpr_names[30]); | |
2486 | else | |
0c7533d3 | 2487 | infprintf (is, "UNKNOWN"); |
df58fc94 RS |
2488 | } |
2489 | ||
2490 | if (immed & 0x10) /* For ra. */ | |
2491 | { | |
2492 | if (s_reg_encode == 0) | |
0c7533d3 | 2493 | infprintf (is, "%s", mips_gpr_names[31]); |
df58fc94 | 2494 | else |
0c7533d3 | 2495 | infprintf (is, ",%s", mips_gpr_names[31]); |
df58fc94 RS |
2496 | } |
2497 | break; | |
2498 | } | |
2499 | ||
2500 | case 'p': | |
2501 | /* Sign-extend the displacement. */ | |
fc8c4fd1 | 2502 | delta = GET_OP_S (insn, DELTA); |
df58fc94 RS |
2503 | info->target = (delta << 1) + memaddr + length; |
2504 | (*info->print_address_func) (info->target, info); | |
2505 | break; | |
2506 | ||
2507 | case 'q': | |
d908c8af | 2508 | infprintf (is, "0x%x", GET_OP (insn, CODE2)); |
df58fc94 RS |
2509 | break; |
2510 | ||
2511 | case 't': | |
2512 | case 'w': | |
0c7533d3 | 2513 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RT)]); |
df58fc94 RS |
2514 | break; |
2515 | ||
2516 | case 'y': | |
0c7533d3 | 2517 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS3)]); |
df58fc94 RS |
2518 | break; |
2519 | ||
2520 | case 'z': | |
0c7533d3 | 2521 | infprintf (is, "%s", mips_gpr_names[0]); |
df58fc94 RS |
2522 | break; |
2523 | ||
03f66e8a MR |
2524 | case '@': /* DSP 10-bit signed immediate in bit 16. */ |
2525 | delta = (GET_OP (insn, IMM10) ^ 0x200) - 0x200; | |
2526 | infprintf (is, "%d", delta); | |
2527 | break; | |
2528 | ||
df58fc94 | 2529 | case 'B': |
d908c8af | 2530 | infprintf (is, "0x%x", GET_OP (insn, CODE10)); |
df58fc94 RS |
2531 | break; |
2532 | ||
2533 | case 'C': | |
d908c8af | 2534 | infprintf (is, "0x%x", GET_OP (insn, COPZ)); |
df58fc94 RS |
2535 | break; |
2536 | ||
2537 | case 'D': | |
0c7533d3 | 2538 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FD)]); |
df58fc94 RS |
2539 | break; |
2540 | ||
2541 | case 'E': | |
2542 | /* Coprocessor register for lwcN instructions, et al. | |
2543 | ||
2544 | Note that there is no load/store cp0 instructions, and | |
2545 | that FPU (cp1) instructions disassemble this field using | |
2546 | 'T' format. Therefore, until we gain understanding of | |
2547 | cp2 register names, we can simply print the register | |
2548 | numbers. */ | |
d908c8af | 2549 | infprintf (is, "$%d", GET_OP (insn, RT)); |
df58fc94 RS |
2550 | break; |
2551 | ||
2552 | case 'G': | |
2553 | /* Coprocessor register for mtcN instructions, et al. Note | |
2554 | that FPU (cp1) instructions disassemble this field using | |
2555 | 'S' format. Therefore, we only need to worry about cp0, | |
fa7616a4 RS |
2556 | cp2, and cp3. */ |
2557 | if (op->name[strlen (op->name) - 1] == '0') | |
df58fc94 | 2558 | { |
fa7616a4 RS |
2559 | if (s[1] == ',' && s[2] == 'H') |
2560 | { | |
2561 | const struct mips_cp0sel_name *n; | |
2562 | unsigned int cp0reg, sel; | |
2563 | ||
2564 | cp0reg = GET_OP (insn, RS); | |
2565 | sel = GET_OP (insn, SEL); | |
2566 | ||
2567 | /* CP0 register including 'sel' code for mtcN | |
2568 | (et al.), to be printed textually if known. | |
2569 | If not known, print both CP0 register name and | |
2570 | sel numerically since CP0 register with sel 0 may | |
2571 | have a name unrelated to register being | |
2572 | printed. */ | |
2573 | n = lookup_mips_cp0sel_name (mips_cp0sel_names, | |
2574 | mips_cp0sel_names_len, | |
2575 | cp0reg, sel); | |
2576 | if (n != NULL) | |
2577 | infprintf (is, "%s", n->name); | |
2578 | else | |
2579 | infprintf (is, "$%d,%d", cp0reg, sel); | |
2580 | s += 2; | |
2581 | } | |
2582 | else | |
2583 | infprintf (is, "%s", mips_cp0_names[GET_OP (insn, RS)]); | |
df58fc94 | 2584 | } |
fa7616a4 RS |
2585 | else |
2586 | infprintf (is, "$%d", GET_OP (insn, RS)); | |
df58fc94 RS |
2587 | break; |
2588 | ||
2589 | case 'H': | |
d908c8af | 2590 | infprintf (is, "%d", GET_OP (insn, SEL)); |
df58fc94 RS |
2591 | break; |
2592 | ||
2593 | case 'K': | |
0c7533d3 | 2594 | infprintf (is, "%s", mips_hwr_names[GET_OP (insn, RS)]); |
df58fc94 RS |
2595 | break; |
2596 | ||
2597 | case 'M': | |
d908c8af | 2598 | infprintf (is, "$fcc%d", GET_OP (insn, CCC)); |
df58fc94 RS |
2599 | break; |
2600 | ||
2601 | case 'N': | |
0c7533d3 | 2602 | infprintf (is, |
df58fc94 | 2603 | (op->pinfo & (FP_D | FP_S)) != 0 |
d908c8af | 2604 | ? "$fcc%d" : "$cc%d", |
df58fc94 RS |
2605 | GET_OP (insn, BCC)); |
2606 | break; | |
2607 | ||
2608 | case 'R': | |
0c7533d3 | 2609 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FR)]); |
df58fc94 RS |
2610 | break; |
2611 | ||
2612 | case 'S': | |
2613 | case 'V': | |
0c7533d3 | 2614 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FS)]); |
df58fc94 RS |
2615 | break; |
2616 | ||
2617 | case 'T': | |
0c7533d3 | 2618 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FT)]); |
df58fc94 RS |
2619 | break; |
2620 | ||
2621 | case '+': | |
2622 | /* Extension character; switch for second char. */ | |
2623 | s++; | |
2624 | switch (*s) | |
2625 | { | |
2626 | case 'A': | |
2627 | lsb = GET_OP (insn, EXTLSB); | |
0c7533d3 | 2628 | infprintf (is, "0x%x", lsb); |
df58fc94 RS |
2629 | break; |
2630 | ||
2631 | case 'B': | |
2632 | msb = GET_OP (insn, INSMSB); | |
0c7533d3 | 2633 | infprintf (is, "0x%x", msb - lsb + 1); |
df58fc94 RS |
2634 | break; |
2635 | ||
2636 | case 'C': | |
2637 | case 'H': | |
2638 | msbd = GET_OP (insn, EXTMSBD); | |
0c7533d3 | 2639 | infprintf (is, "0x%x", msbd + 1); |
df58fc94 RS |
2640 | break; |
2641 | ||
df58fc94 RS |
2642 | case 'E': |
2643 | lsb = GET_OP (insn, EXTLSB) + 32; | |
0c7533d3 | 2644 | infprintf (is, "0x%x", lsb); |
df58fc94 RS |
2645 | break; |
2646 | ||
2647 | case 'F': | |
2648 | msb = GET_OP (insn, INSMSB) + 32; | |
0c7533d3 | 2649 | infprintf (is, "0x%x", msb - lsb + 1); |
df58fc94 RS |
2650 | break; |
2651 | ||
2652 | case 'G': | |
2653 | msbd = GET_OP (insn, EXTMSBD) + 32; | |
0c7533d3 | 2654 | infprintf (is, "0x%x", msbd + 1); |
df58fc94 | 2655 | break; |
7f3c4072 | 2656 | |
27c5c572 RS |
2657 | case 'i': |
2658 | info->target = (((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | |
2659 | | (GET_OP (insn, TARGET) << 2)); | |
2660 | (*info->print_address_func) (info->target, info); | |
2661 | break; | |
2662 | ||
7f3c4072 CM |
2663 | case 'j': /* 9-bit signed offset in bit 0. */ |
2664 | delta = GET_OP_S (insn, EVAOFFSET); | |
2665 | infprintf (is, "%d", delta); | |
2666 | break; | |
df58fc94 RS |
2667 | |
2668 | default: | |
2669 | /* xgettext:c-format */ | |
0c7533d3 | 2670 | infprintf (is, |
df58fc94 RS |
2671 | _("# internal disassembler error, " |
2672 | "unrecognized modifier (+%c)"), | |
2673 | *s); | |
2674 | abort (); | |
2675 | } | |
2676 | break; | |
2677 | ||
2678 | case 'm': | |
2679 | /* Extension character; switch for second char. */ | |
2680 | s++; | |
2681 | switch (*s) | |
2682 | { | |
2683 | case 'a': /* global pointer. */ | |
0c7533d3 | 2684 | infprintf (is, "%s", mips_gpr_names[28]); |
df58fc94 RS |
2685 | break; |
2686 | ||
2687 | case 'b': | |
2688 | regno = micromips_to_32_reg_b_map[GET_OP (insn, MB)]; | |
0c7533d3 | 2689 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2690 | break; |
2691 | ||
2692 | case 'c': | |
2693 | regno = micromips_to_32_reg_c_map[GET_OP (insn, MC)]; | |
0c7533d3 | 2694 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2695 | break; |
2696 | ||
2697 | case 'd': | |
2698 | regno = micromips_to_32_reg_d_map[GET_OP (insn, MD)]; | |
0c7533d3 | 2699 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2700 | break; |
2701 | ||
2702 | case 'e': | |
2703 | regno = micromips_to_32_reg_e_map[GET_OP (insn, ME)]; | |
0c7533d3 | 2704 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2705 | break; |
2706 | ||
2707 | case 'f': | |
2708 | /* Save lastregno for "mt" to print out later. */ | |
2709 | lastregno = micromips_to_32_reg_f_map[GET_OP (insn, MF)]; | |
0c7533d3 | 2710 | infprintf (is, "%s", mips_gpr_names[lastregno]); |
df58fc94 RS |
2711 | break; |
2712 | ||
2713 | case 'g': | |
2714 | regno = micromips_to_32_reg_g_map[GET_OP (insn, MG)]; | |
0c7533d3 | 2715 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2716 | break; |
2717 | ||
2718 | case 'h': | |
e76ff5ab | 2719 | regno = micromips_to_32_reg_h_map1[GET_OP (insn, MH)]; |
0c7533d3 | 2720 | infprintf (is, "%s", mips_gpr_names[regno]); |
e76ff5ab RS |
2721 | regno = micromips_to_32_reg_h_map2[GET_OP (insn, MH)]; |
2722 | infprintf (is, ",%s", mips_gpr_names[regno]); | |
df58fc94 RS |
2723 | break; |
2724 | ||
2725 | case 'j': | |
0c7533d3 | 2726 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, MJ)]); |
df58fc94 RS |
2727 | break; |
2728 | ||
2729 | case 'l': | |
2730 | regno = micromips_to_32_reg_l_map[GET_OP (insn, ML)]; | |
0c7533d3 | 2731 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2732 | break; |
2733 | ||
2734 | case 'm': | |
2735 | regno = micromips_to_32_reg_m_map[GET_OP (insn, MM)]; | |
0c7533d3 | 2736 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2737 | break; |
2738 | ||
2739 | case 'n': | |
2740 | regno = micromips_to_32_reg_n_map[GET_OP (insn, MN)]; | |
0c7533d3 | 2741 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2742 | break; |
2743 | ||
2744 | case 'p': | |
2745 | /* Save lastregno for "mt" to print out later. */ | |
2746 | lastregno = GET_OP (insn, MP); | |
0c7533d3 | 2747 | infprintf (is, "%s", mips_gpr_names[lastregno]); |
df58fc94 RS |
2748 | break; |
2749 | ||
2750 | case 'q': | |
2751 | regno = micromips_to_32_reg_q_map[GET_OP (insn, MQ)]; | |
0c7533d3 | 2752 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2753 | break; |
2754 | ||
2755 | case 'r': /* program counter. */ | |
0c7533d3 | 2756 | infprintf (is, "$pc"); |
df58fc94 RS |
2757 | break; |
2758 | ||
2759 | case 's': /* stack pointer. */ | |
2760 | lastregno = 29; | |
0c7533d3 | 2761 | infprintf (is, "%s", mips_gpr_names[29]); |
df58fc94 RS |
2762 | break; |
2763 | ||
2764 | case 't': | |
0c7533d3 | 2765 | infprintf (is, "%s", mips_gpr_names[lastregno]); |
df58fc94 RS |
2766 | break; |
2767 | ||
2768 | case 'z': /* $0. */ | |
0c7533d3 | 2769 | infprintf (is, "%s", mips_gpr_names[0]); |
df58fc94 RS |
2770 | break; |
2771 | ||
2772 | case 'A': | |
2773 | /* Sign-extend the immediate. */ | |
fc8c4fd1 | 2774 | immed = GET_OP_S (insn, IMMA) << 2; |
0c7533d3 | 2775 | infprintf (is, "%d", immed); |
df58fc94 RS |
2776 | break; |
2777 | ||
2778 | case 'B': | |
2779 | immed = micromips_imm_b_map[GET_OP (insn, IMMB)]; | |
0c7533d3 | 2780 | infprintf (is, "%d", immed); |
df58fc94 RS |
2781 | break; |
2782 | ||
2783 | case 'C': | |
2784 | immed = micromips_imm_c_map[GET_OP (insn, IMMC)]; | |
d908c8af | 2785 | infprintf (is, "0x%x", immed); |
df58fc94 RS |
2786 | break; |
2787 | ||
2788 | case 'D': | |
2789 | /* Sign-extend the displacement. */ | |
fc8c4fd1 | 2790 | delta = GET_OP_S (insn, IMMD); |
df58fc94 RS |
2791 | info->target = (delta << 1) + memaddr + length; |
2792 | (*info->print_address_func) (info->target, info); | |
2793 | break; | |
2794 | ||
2795 | case 'E': | |
2796 | /* Sign-extend the displacement. */ | |
fc8c4fd1 | 2797 | delta = GET_OP_S (insn, IMME); |
df58fc94 RS |
2798 | info->target = (delta << 1) + memaddr + length; |
2799 | (*info->print_address_func) (info->target, info); | |
2800 | break; | |
2801 | ||
2802 | case 'F': | |
2803 | immed = GET_OP (insn, IMMF); | |
0c7533d3 | 2804 | infprintf (is, "0x%x", immed); |
df58fc94 RS |
2805 | break; |
2806 | ||
2807 | case 'G': | |
2808 | immed = (insn >> MICROMIPSOP_SH_IMMG) + 1; | |
2809 | immed = (immed & MICROMIPSOP_MASK_IMMG) - 1; | |
0c7533d3 | 2810 | infprintf (is, "%d", immed); |
df58fc94 RS |
2811 | break; |
2812 | ||
2813 | case 'H': | |
2814 | immed = GET_OP (insn, IMMH) << 1; | |
0c7533d3 | 2815 | infprintf (is, "%d", immed); |
df58fc94 RS |
2816 | break; |
2817 | ||
2818 | case 'I': | |
2819 | immed = (insn >> MICROMIPSOP_SH_IMMI) + 1; | |
2820 | immed = (immed & MICROMIPSOP_MASK_IMMI) - 1; | |
0c7533d3 | 2821 | infprintf (is, "%d", immed); |
df58fc94 RS |
2822 | break; |
2823 | ||
2824 | case 'J': | |
2825 | immed = GET_OP (insn, IMMJ) << 2; | |
0c7533d3 | 2826 | infprintf (is, "%d", immed); |
df58fc94 RS |
2827 | break; |
2828 | ||
2829 | case 'L': | |
2830 | immed = GET_OP (insn, IMML); | |
0c7533d3 | 2831 | infprintf (is, "%d", immed); |
df58fc94 RS |
2832 | break; |
2833 | ||
2834 | case 'M': | |
2835 | immed = (insn >> MICROMIPSOP_SH_IMMM) - 1; | |
2836 | immed = (immed & MICROMIPSOP_MASK_IMMM) + 1; | |
0c7533d3 | 2837 | infprintf (is, "%d", immed); |
df58fc94 RS |
2838 | break; |
2839 | ||
2840 | case 'N': | |
2841 | immed = GET_OP (insn, IMMN); | |
2842 | if (immed == 0) | |
0c7533d3 | 2843 | infprintf (is, "%s,%s", |
df58fc94 RS |
2844 | mips_gpr_names[16], |
2845 | mips_gpr_names[31]); | |
2846 | else | |
0c7533d3 | 2847 | infprintf (is, "%s-%s,%s", |
df58fc94 RS |
2848 | mips_gpr_names[16], |
2849 | mips_gpr_names[16 + immed], | |
2850 | mips_gpr_names[31]); | |
2851 | break; | |
2852 | ||
2853 | case 'O': | |
2854 | immed = GET_OP (insn, IMMO); | |
0c7533d3 | 2855 | infprintf (is, "0x%x", immed); |
df58fc94 RS |
2856 | break; |
2857 | ||
2858 | case 'P': | |
2859 | immed = GET_OP (insn, IMMP) << 2; | |
0c7533d3 | 2860 | infprintf (is, "%d", immed); |
df58fc94 RS |
2861 | break; |
2862 | ||
2863 | case 'Q': | |
2864 | /* Sign-extend the immediate. */ | |
fc8c4fd1 | 2865 | immed = GET_OP_S (insn, IMMQ) << 2; |
0c7533d3 | 2866 | infprintf (is, "%d", immed); |
df58fc94 RS |
2867 | break; |
2868 | ||
2869 | case 'U': | |
2870 | immed = GET_OP (insn, IMMU) << 2; | |
0c7533d3 | 2871 | infprintf (is, "%d", immed); |
df58fc94 RS |
2872 | break; |
2873 | ||
2874 | case 'W': | |
2875 | immed = GET_OP (insn, IMMW) << 2; | |
0c7533d3 | 2876 | infprintf (is, "%d", immed); |
df58fc94 RS |
2877 | break; |
2878 | ||
2879 | case 'X': | |
2880 | /* Sign-extend the immediate. */ | |
fc8c4fd1 | 2881 | immed = GET_OP_S (insn, IMMX); |
0c7533d3 | 2882 | infprintf (is, "%d", immed); |
df58fc94 RS |
2883 | break; |
2884 | ||
2885 | case 'Y': | |
2886 | /* Sign-extend the immediate. */ | |
fc8c4fd1 MR |
2887 | immed = GET_OP_S (insn, IMMY) << 2; |
2888 | if ((unsigned int) (immed + 8) < 16) | |
2889 | immed ^= 0x400; | |
0c7533d3 | 2890 | infprintf (is, "%d", immed); |
df58fc94 RS |
2891 | break; |
2892 | ||
2893 | default: | |
2894 | /* xgettext:c-format */ | |
0c7533d3 | 2895 | infprintf (is, |
df58fc94 RS |
2896 | _("# internal disassembler error, " |
2897 | "unrecognized modifier (m%c)"), | |
2898 | *s); | |
2899 | abort (); | |
2900 | } | |
2901 | break; | |
2902 | ||
2903 | default: | |
2904 | /* xgettext:c-format */ | |
0c7533d3 | 2905 | infprintf (is, |
df58fc94 RS |
2906 | _("# internal disassembler error, " |
2907 | "unrecognized modifier (%c)"), | |
2908 | *s); | |
2909 | abort (); | |
2910 | } | |
2911 | } | |
2912 | ||
2913 | /* Figure out instruction type and branch delay information. */ | |
2914 | if ((op->pinfo | |
2915 | & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0) | |
2916 | info->branch_delay_insns = 1; | |
2917 | if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY) | |
2918 | | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0) | |
2919 | { | |
2920 | if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_GPR_T)) != 0) | |
2921 | info->insn_type = dis_jsr; | |
2922 | else | |
2923 | info->insn_type = dis_branch; | |
2924 | } | |
2925 | else if (((op->pinfo & INSN_COND_BRANCH_DELAY) | |
2926 | | (op->pinfo2 & INSN2_COND_BRANCH)) != 0) | |
2927 | { | |
2928 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) | |
2929 | info->insn_type = dis_condjsr; | |
2930 | else | |
2931 | info->insn_type = dis_condbranch; | |
2932 | } | |
2933 | else if ((op->pinfo | |
2934 | & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY_DELAY)) != 0) | |
2935 | info->insn_type = dis_dref; | |
2936 | ||
2937 | return length; | |
2938 | } | |
2939 | } | |
fc8c4fd1 | 2940 | #undef GET_OP_S |
df58fc94 RS |
2941 | #undef GET_OP |
2942 | ||
0c7533d3 | 2943 | infprintf (is, "0x%x", insn); |
df58fc94 RS |
2944 | info->insn_type = dis_noninsn; |
2945 | ||
2946 | return length; | |
2947 | } | |
2948 | ||
2949 | /* Return 1 if a symbol associated with the location being disassembled | |
2950 | indicates a compressed (MIPS16 or microMIPS) mode. We iterate over | |
2951 | all the symbols at the address being considered assuming if at least | |
2952 | one of them indicates code compression, then such code has been | |
2953 | genuinely produced here (other symbols could have been derived from | |
2954 | function symbols defined elsewhere or could define data). Otherwise, | |
2955 | return 0. */ | |
2956 | ||
2957 | static bfd_boolean | |
2958 | is_compressed_mode_p (struct disassemble_info *info) | |
2959 | { | |
df58fc94 | 2960 | int i; |
1bbce132 MR |
2961 | int l; |
2962 | ||
2963 | for (i = info->symtab_pos, l = i + info->num_symbols; i < l; i++) | |
2964 | if (((info->symtab[i])->flags & BSF_SYNTHETIC) != 0 | |
2965 | && ((!micromips_ase | |
2966 | && ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i)) | |
2967 | || (micromips_ase | |
2968 | && ELF_ST_IS_MICROMIPS ((*info->symbols)->udata.i)))) | |
2969 | return 1; | |
2970 | else if (bfd_asymbol_flavour (info->symtab[i]) == bfd_target_elf_flavour | |
2971 | && info->symtab[i]->section == info->section) | |
2972 | { | |
2973 | elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i]; | |
2974 | if ((!micromips_ase | |
2975 | && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other)) | |
2976 | || (micromips_ase | |
2977 | && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other))) | |
2978 | return 1; | |
2979 | } | |
df58fc94 RS |
2980 | |
2981 | return 0; | |
2982 | } | |
2983 | ||
47b0e7ad NC |
2984 | /* In an environment where we do not know the symbol type of the |
2985 | instruction we are forced to assume that the low order bit of the | |
2986 | instructions' address may mark it as a mips16 instruction. If we | |
2987 | are single stepping, or the pc is within the disassembled function, | |
2988 | this works. Otherwise, we need a clue. Sometimes. */ | |
2989 | ||
2990 | static int | |
2991 | _print_insn_mips (bfd_vma memaddr, | |
2992 | struct disassemble_info *info, | |
2993 | enum bfd_endian endianness) | |
2994 | { | |
df58fc94 | 2995 | int (*print_insn_compr) (bfd_vma, struct disassemble_info *); |
47b0e7ad NC |
2996 | bfd_byte buffer[INSNLEN]; |
2997 | int status; | |
2998 | ||
2999 | set_default_mips_dis_options (info); | |
3000 | parse_mips_dis_options (info->disassembler_options); | |
3001 | ||
df58fc94 RS |
3002 | if (info->mach == bfd_mach_mips16) |
3003 | return print_insn_mips16 (memaddr, info); | |
3004 | if (info->mach == bfd_mach_mips_micromips) | |
3005 | return print_insn_micromips (memaddr, info); | |
3006 | ||
3007 | print_insn_compr = !micromips_ase ? print_insn_mips16 : print_insn_micromips; | |
3008 | ||
47b0e7ad | 3009 | #if 1 |
df58fc94 | 3010 | /* FIXME: If odd address, this is CLEARLY a compressed instruction. */ |
47b0e7ad NC |
3011 | /* Only a few tools will work this way. */ |
3012 | if (memaddr & 0x01) | |
df58fc94 | 3013 | return print_insn_compr (memaddr, info); |
47b0e7ad NC |
3014 | #endif |
3015 | ||
3016 | #if SYMTAB_AVAILABLE | |
df58fc94 RS |
3017 | if (is_compressed_mode_p (info)) |
3018 | return print_insn_compr (memaddr, info); | |
47b0e7ad NC |
3019 | #endif |
3020 | ||
3021 | status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info); | |
3022 | if (status == 0) | |
3023 | { | |
fc8c4fd1 | 3024 | int insn; |
47b0e7ad NC |
3025 | |
3026 | if (endianness == BFD_ENDIAN_BIG) | |
fc8c4fd1 | 3027 | insn = bfd_getb32 (buffer); |
47b0e7ad | 3028 | else |
fc8c4fd1 | 3029 | insn = bfd_getl32 (buffer); |
47b0e7ad NC |
3030 | |
3031 | return print_insn_mips (memaddr, insn, info); | |
3032 | } | |
3033 | else | |
3034 | { | |
3035 | (*info->memory_error_func) (status, memaddr, info); | |
3036 | return -1; | |
3037 | } | |
3038 | } | |
3039 | ||
3040 | int | |
3041 | print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info) | |
3042 | { | |
3043 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG); | |
3044 | } | |
3045 | ||
3046 | int | |
3047 | print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info) | |
3048 | { | |
3049 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE); | |
3050 | } | |
3051 | \f | |
640c0ccd | 3052 | void |
47b0e7ad | 3053 | print_mips_disassembler_options (FILE *stream) |
640c0ccd | 3054 | { |
4a9a3c54 | 3055 | unsigned int i; |
640c0ccd CD |
3056 | |
3057 | fprintf (stream, _("\n\ | |
3058 | The following MIPS specific disassembler options are supported for use\n\ | |
3059 | with the -M switch (multiple options should be separated by commas):\n")); | |
3060 | ||
b015e599 AP |
3061 | fprintf (stream, _("\n\ |
3062 | virt Recognize the virtualization ASE instructions.\n")); | |
3063 | ||
640c0ccd CD |
3064 | fprintf (stream, _("\n\ |
3065 | gpr-names=ABI Print GPR names according to specified ABI.\n\ | |
3066 | Default: based on binary being disassembled.\n")); | |
3067 | ||
3068 | fprintf (stream, _("\n\ | |
3069 | fpr-names=ABI Print FPR names according to specified ABI.\n\ | |
3070 | Default: numeric.\n")); | |
3071 | ||
3072 | fprintf (stream, _("\n\ | |
3073 | cp0-names=ARCH Print CP0 register names according to\n\ | |
3074 | specified architecture.\n\ | |
3075 | Default: based on binary being disassembled.\n")); | |
3076 | ||
af7ee8bf CD |
3077 | fprintf (stream, _("\n\ |
3078 | hwr-names=ARCH Print HWR names according to specified \n\ | |
3079 | architecture.\n\ | |
3080 | Default: based on binary being disassembled.\n")); | |
3081 | ||
640c0ccd CD |
3082 | fprintf (stream, _("\n\ |
3083 | reg-names=ABI Print GPR and FPR names according to\n\ | |
3084 | specified ABI.\n")); | |
3085 | ||
3086 | fprintf (stream, _("\n\ | |
af7ee8bf | 3087 | reg-names=ARCH Print CP0 register and HWR names according to\n\ |
640c0ccd CD |
3088 | specified architecture.\n")); |
3089 | ||
3090 | fprintf (stream, _("\n\ | |
3091 | For the options above, the following values are supported for \"ABI\":\n\ | |
3092 | ")); | |
4a9a3c54 | 3093 | for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++) |
640c0ccd CD |
3094 | fprintf (stream, " %s", mips_abi_choices[i].name); |
3095 | fprintf (stream, _("\n")); | |
3096 | ||
3097 | fprintf (stream, _("\n\ | |
3098 | For the options above, The following values are supported for \"ARCH\":\n\ | |
3099 | ")); | |
4a9a3c54 | 3100 | for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++) |
640c0ccd CD |
3101 | if (*mips_arch_choices[i].name != '\0') |
3102 | fprintf (stream, " %s", mips_arch_choices[i].name); | |
3103 | fprintf (stream, _("\n")); | |
3104 | ||
3105 | fprintf (stream, _("\n")); | |
3106 | } |