Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Print mips instructions for GDB, the GNU debugger, or for objdump. |
4b95cf5c | 2 | Copyright (C) 1989-2014 Free Software Foundation, Inc. |
252b5132 RH |
3 | Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp). |
4 | ||
9b201bb5 | 5 | This file is part of the GNU opcodes library. |
252b5132 | 6 | |
9b201bb5 | 7 | This library is free software; you can redistribute it and/or modify |
47b0e7ad | 8 | it under the terms of the GNU General Public License as published by |
9b201bb5 NC |
9 | the Free Software Foundation; either version 3, or (at your option) |
10 | any later version. | |
252b5132 | 11 | |
9b201bb5 NC |
12 | It is distributed in the hope that it will be useful, but WITHOUT |
13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 | License for more details. | |
252b5132 | 16 | |
47b0e7ad NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
252b5132 | 21 | |
252b5132 RH |
22 | #include "sysdep.h" |
23 | #include "dis-asm.h" | |
640c0ccd | 24 | #include "libiberty.h" |
252b5132 RH |
25 | #include "opcode/mips.h" |
26 | #include "opintl.h" | |
27 | ||
28 | /* FIXME: These are needed to figure out if the code is mips16 or | |
29 | not. The low bit of the address is often a good indicator. No | |
30 | symbol table is available when this code runs out in an embedded | |
7f6621cd | 31 | system as when it is used for disassembler support in a monitor. */ |
252b5132 RH |
32 | |
33 | #if !defined(EMBEDDED_ENV) | |
34 | #define SYMTAB_AVAILABLE 1 | |
35 | #include "elf-bfd.h" | |
36 | #include "elf/mips.h" | |
37 | #endif | |
38 | ||
aa5f19f2 NC |
39 | /* Mips instructions are at maximum this many bytes long. */ |
40 | #define INSNLEN 4 | |
41 | ||
252b5132 | 42 | \f |
aa5f19f2 | 43 | /* FIXME: These should be shared with gdb somehow. */ |
252b5132 | 44 | |
47b0e7ad NC |
45 | struct mips_cp0sel_name |
46 | { | |
47 | unsigned int cp0reg; | |
48 | unsigned int sel; | |
49 | const char * const name; | |
bbcc0807 CD |
50 | }; |
51 | ||
47b0e7ad NC |
52 | static const char * const mips_gpr_names_numeric[32] = |
53 | { | |
640c0ccd CD |
54 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
55 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
56 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
57 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
aa5f19f2 NC |
58 | }; |
59 | ||
47b0e7ad NC |
60 | static const char * const mips_gpr_names_oldabi[32] = |
61 | { | |
640c0ccd CD |
62 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
63 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", | |
64 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", | |
65 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
aa5f19f2 NC |
66 | }; |
67 | ||
47b0e7ad NC |
68 | static const char * const mips_gpr_names_newabi[32] = |
69 | { | |
640c0ccd | 70 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
0b14f26e | 71 | "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", |
640c0ccd CD |
72 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
73 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
74 | }; | |
75 | ||
47b0e7ad NC |
76 | static const char * const mips_fpr_names_numeric[32] = |
77 | { | |
640c0ccd CD |
78 | "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", |
79 | "$f8", "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15", | |
80 | "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23", | |
81 | "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31" | |
82 | }; | |
83 | ||
47b0e7ad NC |
84 | static const char * const mips_fpr_names_32[32] = |
85 | { | |
640c0ccd CD |
86 | "fv0", "fv0f", "fv1", "fv1f", "ft0", "ft0f", "ft1", "ft1f", |
87 | "ft2", "ft2f", "ft3", "ft3f", "fa0", "fa0f", "fa1", "fa1f", | |
88 | "ft4", "ft4f", "ft5", "ft5f", "fs0", "fs0f", "fs1", "fs1f", | |
89 | "fs2", "fs2f", "fs3", "fs3f", "fs4", "fs4f", "fs5", "fs5f" | |
90 | }; | |
91 | ||
47b0e7ad NC |
92 | static const char * const mips_fpr_names_n32[32] = |
93 | { | |
640c0ccd CD |
94 | "fv0", "ft14", "fv1", "ft15", "ft0", "ft1", "ft2", "ft3", |
95 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
96 | "fa4", "fa5", "fa6", "fa7", "fs0", "ft8", "fs1", "ft9", | |
97 | "fs2", "ft10", "fs3", "ft11", "fs4", "ft12", "fs5", "ft13" | |
98 | }; | |
99 | ||
47b0e7ad NC |
100 | static const char * const mips_fpr_names_64[32] = |
101 | { | |
640c0ccd CD |
102 | "fv0", "ft12", "fv1", "ft13", "ft0", "ft1", "ft2", "ft3", |
103 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
104 | "fa4", "fa5", "fa6", "fa7", "ft8", "ft9", "ft10", "ft11", | |
105 | "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7" | |
106 | }; | |
107 | ||
47b0e7ad NC |
108 | static const char * const mips_cp0_names_numeric[32] = |
109 | { | |
640c0ccd CD |
110 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
111 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
112 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
113 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
114 | }; | |
115 | ||
dc76d757 AB |
116 | static const char * const mips_cp1_names_numeric[32] = |
117 | { | |
118 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", | |
119 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
120 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
121 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
122 | }; | |
123 | ||
f409fd1e MR |
124 | static const char * const mips_cp0_names_r3000[32] = |
125 | { | |
126 | "c0_index", "c0_random", "c0_entrylo", "$3", | |
127 | "c0_context", "$5", "$6", "$7", | |
128 | "c0_badvaddr", "$9", "c0_entryhi", "$11", | |
129 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
130 | "$16", "$17", "$18", "$19", | |
131 | "$20", "$21", "$22", "$23", | |
132 | "$24", "$25", "$26", "$27", | |
133 | "$28", "$29", "$30", "$31", | |
134 | }; | |
135 | ||
136 | static const char * const mips_cp0_names_r4000[32] = | |
137 | { | |
138 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
139 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
140 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
141 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
142 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
143 | "c0_xcontext", "$21", "$22", "$23", | |
144 | "$24", "$25", "c0_ecc", "c0_cacheerr", | |
145 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31", | |
146 | }; | |
147 | ||
e407c74b NC |
148 | static const char * const mips_cp0_names_r5900[32] = |
149 | { | |
150 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
151 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
152 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
153 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
154 | "c0_config", "$17", "$18", "$19", | |
155 | "$20", "$21", "$22", "c0_badpaddr", | |
156 | "c0_depc", "c0_perfcnt", "$26", "$27", | |
157 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31" | |
158 | }; | |
159 | ||
160 | static const struct mips_cp0sel_name mips_cp0sel_names_mipsr5900[] = | |
161 | { | |
162 | { 24, 2, "c0_iab" }, | |
163 | { 24, 3, "c0_iabm" }, | |
164 | { 24, 4, "c0_dab" }, | |
165 | { 24, 5, "c0_dabm" }, | |
166 | { 24, 6, "c0_dvb" }, | |
167 | { 24, 7, "c0_dvbm" }, | |
168 | { 25, 1, "c0_perfcnt,1" }, | |
169 | { 25, 2, "c0_perfcnt,2" } | |
170 | }; | |
171 | ||
47b0e7ad NC |
172 | static const char * const mips_cp0_names_mips3264[32] = |
173 | { | |
640c0ccd CD |
174 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
175 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
176 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
177 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
178 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
179 | "c0_xcontext", "$21", "$22", "c0_debug", | |
180 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
181 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
182 | }; | |
183 | ||
dc76d757 AB |
184 | static const char * const mips_cp1_names_mips3264[32] = |
185 | { | |
186 | "c1_fir", "c1_ufr", "$2", "$3", | |
187 | "c1_unfr", "$5", "$6", "$7", | |
188 | "$8", "$9", "$10", "$11", | |
189 | "$12", "$13", "$14", "$15", | |
190 | "$16", "$17", "$18", "$19", | |
191 | "$20", "$21", "$22", "$23", | |
192 | "$24", "c1_fccr", "c1_fexr", "$27", | |
193 | "c1_fenr", "$29", "$30", "c1_fcsr" | |
194 | }; | |
195 | ||
47b0e7ad NC |
196 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] = |
197 | { | |
bbcc0807 CD |
198 | { 16, 1, "c0_config1" }, |
199 | { 16, 2, "c0_config2" }, | |
200 | { 16, 3, "c0_config3" }, | |
201 | { 18, 1, "c0_watchlo,1" }, | |
202 | { 18, 2, "c0_watchlo,2" }, | |
203 | { 18, 3, "c0_watchlo,3" }, | |
204 | { 18, 4, "c0_watchlo,4" }, | |
205 | { 18, 5, "c0_watchlo,5" }, | |
206 | { 18, 6, "c0_watchlo,6" }, | |
207 | { 18, 7, "c0_watchlo,7" }, | |
208 | { 19, 1, "c0_watchhi,1" }, | |
209 | { 19, 2, "c0_watchhi,2" }, | |
210 | { 19, 3, "c0_watchhi,3" }, | |
211 | { 19, 4, "c0_watchhi,4" }, | |
212 | { 19, 5, "c0_watchhi,5" }, | |
213 | { 19, 6, "c0_watchhi,6" }, | |
214 | { 19, 7, "c0_watchhi,7" }, | |
215 | { 25, 1, "c0_perfcnt,1" }, | |
216 | { 25, 2, "c0_perfcnt,2" }, | |
217 | { 25, 3, "c0_perfcnt,3" }, | |
218 | { 25, 4, "c0_perfcnt,4" }, | |
219 | { 25, 5, "c0_perfcnt,5" }, | |
220 | { 25, 6, "c0_perfcnt,6" }, | |
221 | { 25, 7, "c0_perfcnt,7" }, | |
222 | { 27, 1, "c0_cacheerr,1" }, | |
223 | { 27, 2, "c0_cacheerr,2" }, | |
224 | { 27, 3, "c0_cacheerr,3" }, | |
225 | { 28, 1, "c0_datalo" }, | |
226 | { 29, 1, "c0_datahi" } | |
227 | }; | |
228 | ||
47b0e7ad NC |
229 | static const char * const mips_cp0_names_mips3264r2[32] = |
230 | { | |
af7ee8bf CD |
231 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
232 | "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena", | |
233 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
234 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
235 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
236 | "c0_xcontext", "$21", "$22", "c0_debug", | |
237 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
238 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
239 | }; | |
240 | ||
47b0e7ad NC |
241 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] = |
242 | { | |
bbcc0807 | 243 | { 4, 1, "c0_contextconfig" }, |
59c455b3 TS |
244 | { 0, 1, "c0_mvpcontrol" }, |
245 | { 0, 2, "c0_mvpconf0" }, | |
246 | { 0, 3, "c0_mvpconf1" }, | |
247 | { 1, 1, "c0_vpecontrol" }, | |
248 | { 1, 2, "c0_vpeconf0" }, | |
249 | { 1, 3, "c0_vpeconf1" }, | |
250 | { 1, 4, "c0_yqmask" }, | |
251 | { 1, 5, "c0_vpeschedule" }, | |
252 | { 1, 6, "c0_vpeschefback" }, | |
253 | { 2, 1, "c0_tcstatus" }, | |
254 | { 2, 2, "c0_tcbind" }, | |
255 | { 2, 3, "c0_tcrestart" }, | |
256 | { 2, 4, "c0_tchalt" }, | |
257 | { 2, 5, "c0_tccontext" }, | |
258 | { 2, 6, "c0_tcschedule" }, | |
259 | { 2, 7, "c0_tcschefback" }, | |
bbcc0807 | 260 | { 5, 1, "c0_pagegrain" }, |
59c455b3 TS |
261 | { 6, 1, "c0_srsconf0" }, |
262 | { 6, 2, "c0_srsconf1" }, | |
263 | { 6, 3, "c0_srsconf2" }, | |
264 | { 6, 4, "c0_srsconf3" }, | |
265 | { 6, 5, "c0_srsconf4" }, | |
bbcc0807 CD |
266 | { 12, 1, "c0_intctl" }, |
267 | { 12, 2, "c0_srsctl" }, | |
268 | { 12, 3, "c0_srsmap" }, | |
269 | { 15, 1, "c0_ebase" }, | |
270 | { 16, 1, "c0_config1" }, | |
271 | { 16, 2, "c0_config2" }, | |
272 | { 16, 3, "c0_config3" }, | |
273 | { 18, 1, "c0_watchlo,1" }, | |
274 | { 18, 2, "c0_watchlo,2" }, | |
275 | { 18, 3, "c0_watchlo,3" }, | |
276 | { 18, 4, "c0_watchlo,4" }, | |
277 | { 18, 5, "c0_watchlo,5" }, | |
278 | { 18, 6, "c0_watchlo,6" }, | |
279 | { 18, 7, "c0_watchlo,7" }, | |
280 | { 19, 1, "c0_watchhi,1" }, | |
281 | { 19, 2, "c0_watchhi,2" }, | |
282 | { 19, 3, "c0_watchhi,3" }, | |
283 | { 19, 4, "c0_watchhi,4" }, | |
284 | { 19, 5, "c0_watchhi,5" }, | |
285 | { 19, 6, "c0_watchhi,6" }, | |
286 | { 19, 7, "c0_watchhi,7" }, | |
287 | { 23, 1, "c0_tracecontrol" }, | |
288 | { 23, 2, "c0_tracecontrol2" }, | |
289 | { 23, 3, "c0_usertracedata" }, | |
290 | { 23, 4, "c0_tracebpc" }, | |
291 | { 25, 1, "c0_perfcnt,1" }, | |
292 | { 25, 2, "c0_perfcnt,2" }, | |
293 | { 25, 3, "c0_perfcnt,3" }, | |
294 | { 25, 4, "c0_perfcnt,4" }, | |
295 | { 25, 5, "c0_perfcnt,5" }, | |
296 | { 25, 6, "c0_perfcnt,6" }, | |
297 | { 25, 7, "c0_perfcnt,7" }, | |
298 | { 27, 1, "c0_cacheerr,1" }, | |
299 | { 27, 2, "c0_cacheerr,2" }, | |
300 | { 27, 3, "c0_cacheerr,3" }, | |
301 | { 28, 1, "c0_datalo" }, | |
302 | { 28, 2, "c0_taglo1" }, | |
303 | { 28, 3, "c0_datalo1" }, | |
304 | { 28, 4, "c0_taglo2" }, | |
305 | { 28, 5, "c0_datalo2" }, | |
306 | { 28, 6, "c0_taglo3" }, | |
307 | { 28, 7, "c0_datalo3" }, | |
308 | { 29, 1, "c0_datahi" }, | |
309 | { 29, 2, "c0_taghi1" }, | |
310 | { 29, 3, "c0_datahi1" }, | |
311 | { 29, 4, "c0_taghi2" }, | |
312 | { 29, 5, "c0_datahi2" }, | |
313 | { 29, 6, "c0_taghi3" }, | |
314 | { 29, 7, "c0_datahi3" }, | |
315 | }; | |
316 | ||
640c0ccd | 317 | /* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */ |
47b0e7ad NC |
318 | static const char * const mips_cp0_names_sb1[32] = |
319 | { | |
640c0ccd CD |
320 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
321 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
322 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
323 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
324 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
325 | "c0_xcontext", "$21", "$22", "c0_debug", | |
326 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
327 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
328 | }; | |
329 | ||
47b0e7ad NC |
330 | static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] = |
331 | { | |
bbcc0807 CD |
332 | { 16, 1, "c0_config1" }, |
333 | { 18, 1, "c0_watchlo,1" }, | |
334 | { 19, 1, "c0_watchhi,1" }, | |
335 | { 22, 0, "c0_perftrace" }, | |
336 | { 23, 3, "c0_edebug" }, | |
337 | { 25, 1, "c0_perfcnt,1" }, | |
338 | { 25, 2, "c0_perfcnt,2" }, | |
339 | { 25, 3, "c0_perfcnt,3" }, | |
340 | { 25, 4, "c0_perfcnt,4" }, | |
341 | { 25, 5, "c0_perfcnt,5" }, | |
342 | { 25, 6, "c0_perfcnt,6" }, | |
343 | { 25, 7, "c0_perfcnt,7" }, | |
344 | { 26, 1, "c0_buserr_pa" }, | |
345 | { 27, 1, "c0_cacheerr_d" }, | |
346 | { 27, 3, "c0_cacheerr_d_pa" }, | |
347 | { 28, 1, "c0_datalo_i" }, | |
348 | { 28, 2, "c0_taglo_d" }, | |
349 | { 28, 3, "c0_datalo_d" }, | |
350 | { 29, 1, "c0_datahi_i" }, | |
351 | { 29, 2, "c0_taghi_d" }, | |
352 | { 29, 3, "c0_datahi_d" }, | |
353 | }; | |
354 | ||
52b6b6b9 JM |
355 | /* Xlr cop0 register names. */ |
356 | static const char * const mips_cp0_names_xlr[32] = { | |
357 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
358 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
359 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
360 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
361 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
362 | "c0_xcontext", "$21", "$22", "c0_debug", | |
363 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
364 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
365 | }; | |
366 | ||
367 | /* XLR's CP0 Select Registers. */ | |
368 | ||
369 | static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = { | |
370 | { 9, 6, "c0_extintreq" }, | |
371 | { 9, 7, "c0_extintmask" }, | |
372 | { 15, 1, "c0_ebase" }, | |
373 | { 16, 1, "c0_config1" }, | |
374 | { 16, 2, "c0_config2" }, | |
375 | { 16, 3, "c0_config3" }, | |
376 | { 16, 7, "c0_procid2" }, | |
377 | { 18, 1, "c0_watchlo,1" }, | |
378 | { 18, 2, "c0_watchlo,2" }, | |
379 | { 18, 3, "c0_watchlo,3" }, | |
380 | { 18, 4, "c0_watchlo,4" }, | |
381 | { 18, 5, "c0_watchlo,5" }, | |
382 | { 18, 6, "c0_watchlo,6" }, | |
383 | { 18, 7, "c0_watchlo,7" }, | |
384 | { 19, 1, "c0_watchhi,1" }, | |
385 | { 19, 2, "c0_watchhi,2" }, | |
386 | { 19, 3, "c0_watchhi,3" }, | |
387 | { 19, 4, "c0_watchhi,4" }, | |
388 | { 19, 5, "c0_watchhi,5" }, | |
389 | { 19, 6, "c0_watchhi,6" }, | |
390 | { 19, 7, "c0_watchhi,7" }, | |
391 | { 25, 1, "c0_perfcnt,1" }, | |
392 | { 25, 2, "c0_perfcnt,2" }, | |
393 | { 25, 3, "c0_perfcnt,3" }, | |
394 | { 25, 4, "c0_perfcnt,4" }, | |
395 | { 25, 5, "c0_perfcnt,5" }, | |
396 | { 25, 6, "c0_perfcnt,6" }, | |
397 | { 25, 7, "c0_perfcnt,7" }, | |
398 | { 27, 1, "c0_cacheerr,1" }, | |
399 | { 27, 2, "c0_cacheerr,2" }, | |
400 | { 27, 3, "c0_cacheerr,3" }, | |
401 | { 28, 1, "c0_datalo" }, | |
402 | { 29, 1, "c0_datahi" } | |
403 | }; | |
404 | ||
47b0e7ad NC |
405 | static const char * const mips_hwr_names_numeric[32] = |
406 | { | |
af7ee8bf CD |
407 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
408 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
409 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
410 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
411 | }; | |
412 | ||
47b0e7ad NC |
413 | static const char * const mips_hwr_names_mips3264r2[32] = |
414 | { | |
af7ee8bf CD |
415 | "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres", |
416 | "$4", "$5", "$6", "$7", | |
417 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
418 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
419 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
420 | }; | |
421 | ||
4edbb8e3 CF |
422 | static const char * const msa_control_names[32] = |
423 | { | |
424 | "msa_ir", "msa_csr", "msa_access", "msa_save", | |
425 | "msa_modify", "msa_request", "msa_map", "msa_unmap", | |
426 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
427 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
428 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
429 | }; | |
430 | ||
47b0e7ad NC |
431 | struct mips_abi_choice |
432 | { | |
433 | const char * name; | |
640c0ccd CD |
434 | const char * const *gpr_names; |
435 | const char * const *fpr_names; | |
436 | }; | |
437 | ||
47b0e7ad NC |
438 | struct mips_abi_choice mips_abi_choices[] = |
439 | { | |
640c0ccd CD |
440 | { "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric }, |
441 | { "32", mips_gpr_names_oldabi, mips_fpr_names_32 }, | |
442 | { "n32", mips_gpr_names_newabi, mips_fpr_names_n32 }, | |
443 | { "64", mips_gpr_names_newabi, mips_fpr_names_64 }, | |
444 | }; | |
445 | ||
47b0e7ad NC |
446 | struct mips_arch_choice |
447 | { | |
640c0ccd CD |
448 | const char *name; |
449 | int bfd_mach_valid; | |
450 | unsigned long bfd_mach; | |
451 | int processor; | |
452 | int isa; | |
d301a56b | 453 | int ase; |
640c0ccd | 454 | const char * const *cp0_names; |
bbcc0807 CD |
455 | const struct mips_cp0sel_name *cp0sel_names; |
456 | unsigned int cp0sel_names_len; | |
dc76d757 | 457 | const char * const *cp1_names; |
af7ee8bf | 458 | const char * const *hwr_names; |
640c0ccd CD |
459 | }; |
460 | ||
47b0e7ad NC |
461 | const struct mips_arch_choice mips_arch_choices[] = |
462 | { | |
d301a56b | 463 | { "numeric", 0, 0, 0, 0, 0, |
dc76d757 AB |
464 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
465 | mips_hwr_names_numeric }, | |
bbcc0807 | 466 | |
d301a56b | 467 | { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, 0, |
dc76d757 AB |
468 | mips_cp0_names_r3000, NULL, 0, mips_cp1_names_numeric, |
469 | mips_hwr_names_numeric }, | |
d301a56b | 470 | { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, 0, |
dc76d757 AB |
471 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
472 | mips_hwr_names_numeric }, | |
d301a56b | 473 | { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, 0, |
dc76d757 AB |
474 | mips_cp0_names_r4000, NULL, 0, mips_cp1_names_numeric, |
475 | mips_hwr_names_numeric }, | |
d301a56b | 476 | { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, 0, |
dc76d757 AB |
477 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
478 | mips_hwr_names_numeric }, | |
d301a56b | 479 | { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, 0, |
dc76d757 AB |
480 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
481 | mips_hwr_names_numeric }, | |
d301a56b | 482 | { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, 0, |
dc76d757 AB |
483 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
484 | mips_hwr_names_numeric }, | |
d301a56b | 485 | { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, 0, |
dc76d757 AB |
486 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
487 | mips_hwr_names_numeric }, | |
d301a56b | 488 | { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, 0, |
dc76d757 AB |
489 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
490 | mips_hwr_names_numeric }, | |
d301a56b | 491 | { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, 0, |
dc76d757 AB |
492 | mips_cp0_names_r4000, NULL, 0, mips_cp1_names_numeric, |
493 | mips_hwr_names_numeric }, | |
d301a56b | 494 | { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, 0, |
dc76d757 AB |
495 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
496 | mips_hwr_names_numeric }, | |
d301a56b | 497 | { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, 0, |
dc76d757 AB |
498 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
499 | mips_hwr_names_numeric }, | |
d301a56b | 500 | { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, 0, |
dc76d757 AB |
501 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
502 | mips_hwr_names_numeric }, | |
d301a56b | 503 | { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, 0, |
dc76d757 AB |
504 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
505 | mips_hwr_names_numeric }, | |
d301a56b | 506 | { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, 0, |
dc76d757 AB |
507 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
508 | mips_hwr_names_numeric }, | |
d301a56b | 509 | { "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, 0, |
dc76d757 AB |
510 | mips_cp0_names_r5900, NULL, 0, mips_cp1_names_numeric, |
511 | mips_hwr_names_numeric }, | |
d301a56b | 512 | { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, 0, |
dc76d757 AB |
513 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
514 | mips_hwr_names_numeric }, | |
d301a56b | 515 | { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, |
dc76d757 AB |
516 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
517 | mips_hwr_names_numeric }, | |
d301a56b | 518 | { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, |
dc76d757 AB |
519 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
520 | mips_hwr_names_numeric }, | |
d301a56b | 521 | { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, 0, |
dc76d757 AB |
522 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
523 | mips_hwr_names_numeric }, | |
d301a56b | 524 | { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, 0, |
dc76d757 AB |
525 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
526 | mips_hwr_names_numeric }, | |
d301a56b | 527 | { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, 0, |
dc76d757 AB |
528 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
529 | mips_hwr_names_numeric }, | |
d301a56b | 530 | { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, 0, |
dc76d757 AB |
531 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
532 | mips_hwr_names_numeric }, | |
d301a56b | 533 | { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, 0, |
dc76d757 AB |
534 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
535 | mips_hwr_names_numeric }, | |
d301a56b | 536 | { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, 0, |
dc76d757 AB |
537 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
538 | mips_hwr_names_numeric }, | |
bbcc0807 | 539 | |
640c0ccd CD |
540 | /* For stock MIPS32, disassemble all applicable MIPS-specified ASEs. |
541 | Note that MIPS-3D and MDMX are not applicable to MIPS32. (See | |
542 | _MIPS32 Architecture For Programmers Volume I: Introduction to the | |
543 | MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95), | |
544 | page 1. */ | |
545 | { "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32, | |
d301a56b | 546 | ISA_MIPS32, ASE_SMARTMIPS, |
bbcc0807 CD |
547 | mips_cp0_names_mips3264, |
548 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
dc76d757 | 549 | mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
bbcc0807 | 550 | |
af7ee8bf | 551 | { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2, |
d301a56b | 552 | ISA_MIPS32R2, |
7f3c4072 | 553 | (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D |
4edbb8e3 | 554 | | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA), |
bbcc0807 CD |
555 | mips_cp0_names_mips3264r2, |
556 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
dc76d757 | 557 | mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 }, |
bbcc0807 | 558 | |
640c0ccd CD |
559 | /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */ |
560 | { "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64, | |
d301a56b | 561 | ISA_MIPS64, ASE_MIPS3D | ASE_MDMX, |
bbcc0807 CD |
562 | mips_cp0_names_mips3264, |
563 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
dc76d757 | 564 | mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
bbcc0807 | 565 | |
5f74bc13 | 566 | { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2, |
d301a56b | 567 | ISA_MIPS64R2, |
7f3c4072 | 568 | (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT |
4edbb8e3 | 569 | | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64), |
5f74bc13 CD |
570 | mips_cp0_names_mips3264r2, |
571 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
dc76d757 | 572 | mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 }, |
5f74bc13 | 573 | |
640c0ccd | 574 | { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1, |
d301a56b | 575 | ISA_MIPS64 | INSN_SB1, ASE_MIPS3D, |
bbcc0807 CD |
576 | mips_cp0_names_sb1, |
577 | mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1), | |
dc76d757 | 578 | mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
640c0ccd | 579 | |
350cc38d | 580 | { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E, |
d301a56b | 581 | ISA_MIPS3 | INSN_LOONGSON_2E, 0, mips_cp0_names_numeric, |
dc76d757 | 582 | NULL, 0, mips_cp1_names_numeric, mips_hwr_names_numeric }, |
350cc38d MS |
583 | |
584 | { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F, | |
d301a56b | 585 | ISA_MIPS3 | INSN_LOONGSON_2F, 0, mips_cp0_names_numeric, |
dc76d757 | 586 | NULL, 0, mips_cp1_names_numeric, mips_hwr_names_numeric }, |
350cc38d | 587 | |
fd503541 | 588 | { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A, |
4ba154f5 | 589 | ISA_MIPS64R2 | INSN_LOONGSON_3A, 0, mips_cp0_names_numeric, |
dc76d757 | 590 | NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
fd503541 | 591 | |
57b592a3 | 592 | { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON, |
d301a56b | 593 | ISA_MIPS64R2 | INSN_OCTEON, 0, mips_cp0_names_numeric, NULL, 0, |
dc76d757 | 594 | mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
57b592a3 | 595 | |
dd6a37e7 | 596 | { "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP, |
d301a56b | 597 | ISA_MIPS64R2 | INSN_OCTEONP, 0, mips_cp0_names_numeric, |
dc76d757 | 598 | NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
432233b3 AP |
599 | |
600 | { "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2, | |
d301a56b | 601 | ISA_MIPS64R2 | INSN_OCTEON2, 0, mips_cp0_names_numeric, |
dc76d757 | 602 | NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
dd6a37e7 | 603 | |
52b6b6b9 | 604 | { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR, |
d301a56b | 605 | ISA_MIPS64 | INSN_XLR, 0, |
52b6b6b9 JM |
606 | mips_cp0_names_xlr, |
607 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
dc76d757 | 608 | mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
52b6b6b9 | 609 | |
55a36193 MK |
610 | /* XLP is mostly like XLR, with the prominent exception it is being |
611 | MIPS64R2. */ | |
612 | { "xlp", 1, bfd_mach_mips_xlr, CPU_XLR, | |
d301a56b | 613 | ISA_MIPS64R2 | INSN_XLR, 0, |
55a36193 MK |
614 | mips_cp0_names_xlr, |
615 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
dc76d757 | 616 | mips_cp1_names_mips3264, mips_hwr_names_numeric }, |
55a36193 | 617 | |
640c0ccd CD |
618 | /* This entry, mips16, is here only for ISA/processor selection; do |
619 | not print its name. */ | |
d301a56b | 620 | { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3, 0, |
dc76d757 AB |
621 | mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric, |
622 | mips_hwr_names_numeric }, | |
640c0ccd CD |
623 | }; |
624 | ||
625 | /* ISA and processor type to disassemble for, and register names to use. | |
626 | set_default_mips_dis_options and parse_mips_dis_options fill in these | |
627 | values. */ | |
628 | static int mips_processor; | |
629 | static int mips_isa; | |
d301a56b | 630 | static int mips_ase; |
df58fc94 | 631 | static int micromips_ase; |
640c0ccd CD |
632 | static const char * const *mips_gpr_names; |
633 | static const char * const *mips_fpr_names; | |
634 | static const char * const *mips_cp0_names; | |
bbcc0807 CD |
635 | static const struct mips_cp0sel_name *mips_cp0sel_names; |
636 | static int mips_cp0sel_names_len; | |
dc76d757 | 637 | static const char * const *mips_cp1_names; |
af7ee8bf | 638 | static const char * const *mips_hwr_names; |
640c0ccd | 639 | |
986e18a5 | 640 | /* Other options */ |
47b0e7ad | 641 | static int no_aliases; /* If set disassemble as most general inst. */ |
640c0ccd CD |
642 | \f |
643 | static const struct mips_abi_choice * | |
47b0e7ad | 644 | choose_abi_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
645 | { |
646 | const struct mips_abi_choice *c; | |
647 | unsigned int i; | |
648 | ||
649 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++) | |
47b0e7ad NC |
650 | if (strncmp (mips_abi_choices[i].name, name, namelen) == 0 |
651 | && strlen (mips_abi_choices[i].name) == namelen) | |
652 | c = &mips_abi_choices[i]; | |
653 | ||
640c0ccd CD |
654 | return c; |
655 | } | |
656 | ||
657 | static const struct mips_arch_choice * | |
47b0e7ad | 658 | choose_arch_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
659 | { |
660 | const struct mips_arch_choice *c = NULL; | |
661 | unsigned int i; | |
662 | ||
663 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
47b0e7ad NC |
664 | if (strncmp (mips_arch_choices[i].name, name, namelen) == 0 |
665 | && strlen (mips_arch_choices[i].name) == namelen) | |
666 | c = &mips_arch_choices[i]; | |
667 | ||
640c0ccd CD |
668 | return c; |
669 | } | |
670 | ||
671 | static const struct mips_arch_choice * | |
47b0e7ad | 672 | choose_arch_by_number (unsigned long mach) |
640c0ccd CD |
673 | { |
674 | static unsigned long hint_bfd_mach; | |
675 | static const struct mips_arch_choice *hint_arch_choice; | |
676 | const struct mips_arch_choice *c; | |
677 | unsigned int i; | |
678 | ||
679 | /* We optimize this because even if the user specifies no | |
680 | flags, this will be done for every instruction! */ | |
681 | if (hint_bfd_mach == mach | |
682 | && hint_arch_choice != NULL | |
683 | && hint_arch_choice->bfd_mach == hint_bfd_mach) | |
684 | return hint_arch_choice; | |
685 | ||
686 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
687 | { | |
688 | if (mips_arch_choices[i].bfd_mach_valid | |
689 | && mips_arch_choices[i].bfd_mach == mach) | |
690 | { | |
691 | c = &mips_arch_choices[i]; | |
692 | hint_bfd_mach = mach; | |
693 | hint_arch_choice = c; | |
694 | } | |
695 | } | |
696 | return c; | |
697 | } | |
698 | ||
47b0e7ad NC |
699 | /* Check if the object uses NewABI conventions. */ |
700 | ||
701 | static int | |
702 | is_newabi (Elf_Internal_Ehdr *header) | |
703 | { | |
704 | /* There are no old-style ABIs which use 64-bit ELF. */ | |
705 | if (header->e_ident[EI_CLASS] == ELFCLASS64) | |
706 | return 1; | |
707 | ||
708 | /* If a 32-bit ELF file, n32 is a new-style ABI. */ | |
709 | if ((header->e_flags & EF_MIPS_ABI2) != 0) | |
710 | return 1; | |
711 | ||
712 | return 0; | |
713 | } | |
714 | ||
df58fc94 RS |
715 | /* Check if the object has microMIPS ASE code. */ |
716 | ||
717 | static int | |
718 | is_micromips (Elf_Internal_Ehdr *header) | |
719 | { | |
720 | if ((header->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0) | |
721 | return 1; | |
722 | ||
723 | return 0; | |
724 | } | |
725 | ||
47b0e7ad NC |
726 | static void |
727 | set_default_mips_dis_options (struct disassemble_info *info) | |
640c0ccd CD |
728 | { |
729 | const struct mips_arch_choice *chosen_arch; | |
730 | ||
df58fc94 RS |
731 | /* Defaults: mipsIII/r3000 (?!), no microMIPS ASE (any compressed code |
732 | is MIPS16 ASE) (o)32-style ("oldabi") GPR names, and numeric FPR, | |
733 | CP0 register, and HWR names. */ | |
640c0ccd | 734 | mips_isa = ISA_MIPS3; |
df58fc94 RS |
735 | mips_processor = CPU_R3000; |
736 | micromips_ase = 0; | |
d301a56b | 737 | mips_ase = 0; |
640c0ccd CD |
738 | mips_gpr_names = mips_gpr_names_oldabi; |
739 | mips_fpr_names = mips_fpr_names_numeric; | |
740 | mips_cp0_names = mips_cp0_names_numeric; | |
bbcc0807 CD |
741 | mips_cp0sel_names = NULL; |
742 | mips_cp0sel_names_len = 0; | |
dc76d757 | 743 | mips_cp1_names = mips_cp1_names_numeric; |
af7ee8bf | 744 | mips_hwr_names = mips_hwr_names_numeric; |
986e18a5 | 745 | no_aliases = 0; |
640c0ccd | 746 | |
df58fc94 | 747 | /* Update settings according to the ELF file header flags. */ |
fec06546 | 748 | if (info->flavour == bfd_target_elf_flavour && info->section != NULL) |
640c0ccd CD |
749 | { |
750 | Elf_Internal_Ehdr *header; | |
751 | ||
fec06546 | 752 | header = elf_elfheader (info->section->owner); |
df58fc94 | 753 | /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */ |
640c0ccd CD |
754 | if (is_newabi (header)) |
755 | mips_gpr_names = mips_gpr_names_newabi; | |
df58fc94 RS |
756 | /* If a microMIPS binary, then don't use MIPS16 bindings. */ |
757 | micromips_ase = is_micromips (header); | |
640c0ccd CD |
758 | } |
759 | ||
760 | /* Set ISA, architecture, and cp0 register names as best we can. */ | |
761 | #if ! SYMTAB_AVAILABLE | |
762 | /* This is running out on a target machine, not in a host tool. | |
763 | FIXME: Where does mips_target_info come from? */ | |
764 | target_processor = mips_target_info.processor; | |
765 | mips_isa = mips_target_info.isa; | |
d301a56b | 766 | mips_ase = mips_target_info.ase; |
640c0ccd CD |
767 | #else |
768 | chosen_arch = choose_arch_by_number (info->mach); | |
769 | if (chosen_arch != NULL) | |
770 | { | |
771 | mips_processor = chosen_arch->processor; | |
772 | mips_isa = chosen_arch->isa; | |
d301a56b | 773 | mips_ase = chosen_arch->ase; |
bbcc0807 CD |
774 | mips_cp0_names = chosen_arch->cp0_names; |
775 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
776 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
dc76d757 | 777 | mips_cp1_names = chosen_arch->cp1_names; |
bbcc0807 | 778 | mips_hwr_names = chosen_arch->hwr_names; |
640c0ccd CD |
779 | } |
780 | #endif | |
781 | } | |
782 | ||
47b0e7ad NC |
783 | static void |
784 | parse_mips_dis_option (const char *option, unsigned int len) | |
640c0ccd CD |
785 | { |
786 | unsigned int i, optionlen, vallen; | |
787 | const char *val; | |
788 | const struct mips_abi_choice *chosen_abi; | |
789 | const struct mips_arch_choice *chosen_arch; | |
790 | ||
986e18a5 | 791 | /* Try to match options that are simple flags */ |
0112cd26 | 792 | if (CONST_STRNEQ (option, "no-aliases")) |
986e18a5 FF |
793 | { |
794 | no_aliases = 1; | |
795 | return; | |
796 | } | |
b015e599 | 797 | |
4edbb8e3 CF |
798 | if (CONST_STRNEQ (option, "msa")) |
799 | { | |
800 | mips_ase |= ASE_MSA; | |
801 | if ((mips_isa & INSN_ISA_MASK) == ISA_MIPS64R2) | |
802 | mips_ase |= ASE_MSA64; | |
803 | return; | |
804 | } | |
805 | ||
b015e599 AP |
806 | if (CONST_STRNEQ (option, "virt")) |
807 | { | |
d301a56b | 808 | mips_ase |= ASE_VIRT; |
b015e599 | 809 | if (mips_isa & ISA_MIPS64R2) |
d301a56b | 810 | mips_ase |= ASE_VIRT64; |
b015e599 AP |
811 | return; |
812 | } | |
986e18a5 | 813 | |
640c0ccd CD |
814 | /* Look for the = that delimits the end of the option name. */ |
815 | for (i = 0; i < len; i++) | |
47b0e7ad NC |
816 | if (option[i] == '=') |
817 | break; | |
818 | ||
640c0ccd CD |
819 | if (i == 0) /* Invalid option: no name before '='. */ |
820 | return; | |
821 | if (i == len) /* Invalid option: no '='. */ | |
822 | return; | |
823 | if (i == (len - 1)) /* Invalid option: no value after '='. */ | |
824 | return; | |
825 | ||
826 | optionlen = i; | |
827 | val = option + (optionlen + 1); | |
828 | vallen = len - (optionlen + 1); | |
829 | ||
47b0e7ad NC |
830 | if (strncmp ("gpr-names", option, optionlen) == 0 |
831 | && strlen ("gpr-names") == optionlen) | |
640c0ccd CD |
832 | { |
833 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 834 | if (chosen_abi != NULL) |
640c0ccd CD |
835 | mips_gpr_names = chosen_abi->gpr_names; |
836 | return; | |
837 | } | |
838 | ||
47b0e7ad NC |
839 | if (strncmp ("fpr-names", option, optionlen) == 0 |
840 | && strlen ("fpr-names") == optionlen) | |
640c0ccd CD |
841 | { |
842 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 843 | if (chosen_abi != NULL) |
640c0ccd CD |
844 | mips_fpr_names = chosen_abi->fpr_names; |
845 | return; | |
846 | } | |
847 | ||
47b0e7ad NC |
848 | if (strncmp ("cp0-names", option, optionlen) == 0 |
849 | && strlen ("cp0-names") == optionlen) | |
640c0ccd CD |
850 | { |
851 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 CD |
852 | if (chosen_arch != NULL) |
853 | { | |
854 | mips_cp0_names = chosen_arch->cp0_names; | |
855 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
856 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
857 | } | |
640c0ccd CD |
858 | return; |
859 | } | |
860 | ||
dc76d757 AB |
861 | if (strncmp ("cp1-names", option, optionlen) == 0 |
862 | && strlen ("cp1-names") == optionlen) | |
863 | { | |
864 | chosen_arch = choose_arch_by_name (val, vallen); | |
865 | if (chosen_arch != NULL) | |
866 | mips_cp1_names = chosen_arch->cp1_names; | |
867 | return; | |
868 | } | |
869 | ||
47b0e7ad NC |
870 | if (strncmp ("hwr-names", option, optionlen) == 0 |
871 | && strlen ("hwr-names") == optionlen) | |
af7ee8bf CD |
872 | { |
873 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 | 874 | if (chosen_arch != NULL) |
af7ee8bf CD |
875 | mips_hwr_names = chosen_arch->hwr_names; |
876 | return; | |
877 | } | |
878 | ||
47b0e7ad NC |
879 | if (strncmp ("reg-names", option, optionlen) == 0 |
880 | && strlen ("reg-names") == optionlen) | |
640c0ccd CD |
881 | { |
882 | /* We check both ABI and ARCH here unconditionally, so | |
883 | that "numeric" will do the desirable thing: select | |
884 | numeric register names for all registers. Other than | |
885 | that, a given name probably won't match both. */ | |
886 | chosen_abi = choose_abi_by_name (val, vallen); | |
887 | if (chosen_abi != NULL) | |
888 | { | |
bbcc0807 CD |
889 | mips_gpr_names = chosen_abi->gpr_names; |
890 | mips_fpr_names = chosen_abi->fpr_names; | |
640c0ccd CD |
891 | } |
892 | chosen_arch = choose_arch_by_name (val, vallen); | |
893 | if (chosen_arch != NULL) | |
894 | { | |
bbcc0807 CD |
895 | mips_cp0_names = chosen_arch->cp0_names; |
896 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
897 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
dc76d757 | 898 | mips_cp1_names = chosen_arch->cp1_names; |
bbcc0807 | 899 | mips_hwr_names = chosen_arch->hwr_names; |
640c0ccd CD |
900 | } |
901 | return; | |
902 | } | |
903 | ||
904 | /* Invalid option. */ | |
905 | } | |
906 | ||
47b0e7ad NC |
907 | static void |
908 | parse_mips_dis_options (const char *options) | |
640c0ccd CD |
909 | { |
910 | const char *option_end; | |
911 | ||
912 | if (options == NULL) | |
913 | return; | |
914 | ||
915 | while (*options != '\0') | |
916 | { | |
917 | /* Skip empty options. */ | |
918 | if (*options == ',') | |
919 | { | |
920 | options++; | |
921 | continue; | |
922 | } | |
923 | ||
924 | /* We know that *options is neither NUL or a comma. */ | |
925 | option_end = options + 1; | |
926 | while (*option_end != ',' && *option_end != '\0') | |
927 | option_end++; | |
928 | ||
929 | parse_mips_dis_option (options, option_end - options); | |
930 | ||
931 | /* Go on to the next one. If option_end points to a comma, it | |
932 | will be skipped above. */ | |
933 | options = option_end; | |
934 | } | |
935 | } | |
936 | ||
bbcc0807 | 937 | static const struct mips_cp0sel_name * |
47b0e7ad NC |
938 | lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names, |
939 | unsigned int len, | |
940 | unsigned int cp0reg, | |
941 | unsigned int sel) | |
bbcc0807 CD |
942 | { |
943 | unsigned int i; | |
944 | ||
945 | for (i = 0; i < len; i++) | |
946 | if (names[i].cp0reg == cp0reg && names[i].sel == sel) | |
947 | return &names[i]; | |
948 | return NULL; | |
949 | } | |
ab902481 RS |
950 | |
951 | /* Print register REGNO, of type TYPE, for instruction OPCODE. */ | |
aa5f19f2 | 952 | |
794ac9d0 | 953 | static void |
ab902481 RS |
954 | print_reg (struct disassemble_info *info, const struct mips_opcode *opcode, |
955 | enum mips_reg_operand_type type, int regno) | |
252b5132 | 956 | { |
ab902481 RS |
957 | switch (type) |
958 | { | |
959 | case OP_REG_GP: | |
960 | info->fprintf_func (info->stream, "%s", mips_gpr_names[regno]); | |
961 | break; | |
440cc0bc | 962 | |
ab902481 RS |
963 | case OP_REG_FP: |
964 | info->fprintf_func (info->stream, "%s", mips_fpr_names[regno]); | |
965 | break; | |
252b5132 | 966 | |
ab902481 RS |
967 | case OP_REG_CCC: |
968 | if (opcode->pinfo & (FP_D | FP_S)) | |
969 | info->fprintf_func (info->stream, "$fcc%d", regno); | |
970 | else | |
971 | info->fprintf_func (info->stream, "$cc%d", regno); | |
972 | break; | |
794ac9d0 | 973 | |
ab902481 RS |
974 | case OP_REG_VEC: |
975 | if (opcode->membership & INSN_5400) | |
976 | info->fprintf_func (info->stream, "$f%d", regno); | |
977 | else | |
978 | info->fprintf_func (info->stream, "$v%d", regno); | |
979 | break; | |
794ac9d0 | 980 | |
ab902481 RS |
981 | case OP_REG_ACC: |
982 | info->fprintf_func (info->stream, "$ac%d", regno); | |
983 | break; | |
794ac9d0 | 984 | |
ab902481 RS |
985 | case OP_REG_COPRO: |
986 | if (opcode->name[strlen (opcode->name) - 1] == '0') | |
987 | info->fprintf_func (info->stream, "%s", mips_cp0_names[regno]); | |
dc76d757 AB |
988 | else if (opcode->name[strlen (opcode->name) - 1] == '1') |
989 | info->fprintf_func (info->stream, "%s", mips_cp1_names[regno]); | |
ab902481 RS |
990 | else |
991 | info->fprintf_func (info->stream, "$%d", regno); | |
992 | break; | |
8b082fb1 | 993 | |
ab902481 RS |
994 | case OP_REG_HW: |
995 | info->fprintf_func (info->stream, "%s", mips_hwr_names[regno]); | |
996 | break; | |
14daeee3 RS |
997 | |
998 | case OP_REG_VF: | |
999 | info->fprintf_func (info->stream, "$vf%d", regno); | |
1000 | break; | |
1001 | ||
1002 | case OP_REG_VI: | |
1003 | info->fprintf_func (info->stream, "$vi%d", regno); | |
1004 | break; | |
1005 | ||
1006 | case OP_REG_R5900_I: | |
1007 | info->fprintf_func (info->stream, "$I"); | |
1008 | break; | |
1009 | ||
1010 | case OP_REG_R5900_Q: | |
1011 | info->fprintf_func (info->stream, "$Q"); | |
1012 | break; | |
1013 | ||
1014 | case OP_REG_R5900_R: | |
1015 | info->fprintf_func (info->stream, "$R"); | |
1016 | break; | |
1017 | ||
1018 | case OP_REG_R5900_ACC: | |
1019 | info->fprintf_func (info->stream, "$ACC"); | |
1020 | break; | |
4edbb8e3 CF |
1021 | |
1022 | case OP_REG_MSA: | |
1023 | info->fprintf_func (info->stream, "$w%d", regno); | |
1024 | break; | |
1025 | ||
1026 | case OP_REG_MSA_CTRL: | |
1027 | info->fprintf_func (info->stream, "%s", msa_control_names[regno]); | |
1028 | break; | |
1029 | ||
ab902481 RS |
1030 | } |
1031 | } | |
1032 | \f | |
1033 | /* Used to track the state carried over from previous operands in | |
1034 | an instruction. */ | |
1035 | struct mips_print_arg_state { | |
1036 | /* The value of the last OP_INT seen. We only use this for OP_MSB, | |
1037 | where the value is known to be unsigned and small. */ | |
1038 | unsigned int last_int; | |
1039 | ||
1040 | /* The type and number of the last OP_REG seen. We only use this for | |
1041 | OP_REPEAT_DEST_REG and OP_REPEAT_PREV_REG. */ | |
1042 | enum mips_reg_operand_type last_reg_type; | |
1043 | unsigned int last_regno; | |
1044 | }; | |
fd25c5a9 | 1045 | |
ab902481 | 1046 | /* Initialize STATE for the start of an instruction. */ |
fd25c5a9 | 1047 | |
ab902481 RS |
1048 | static inline void |
1049 | init_print_arg_state (struct mips_print_arg_state *state) | |
1050 | { | |
1051 | memset (state, 0, sizeof (*state)); | |
1052 | } | |
fd25c5a9 | 1053 | |
14daeee3 RS |
1054 | /* Print OP_VU0_SUFFIX or OP_VU0_MATCH_SUFFIX operand OPERAND, |
1055 | whose value is given by UVAL. */ | |
1056 | ||
1057 | static void | |
1058 | print_vu0_channel (struct disassemble_info *info, | |
1059 | const struct mips_operand *operand, unsigned int uval) | |
1060 | { | |
1061 | if (operand->size == 4) | |
1062 | info->fprintf_func (info->stream, "%s%s%s%s", | |
1063 | uval & 8 ? "x" : "", | |
1064 | uval & 4 ? "y" : "", | |
1065 | uval & 2 ? "z" : "", | |
1066 | uval & 1 ? "w" : ""); | |
1067 | else if (operand->size == 2) | |
1068 | info->fprintf_func (info->stream, "%c", "xyzw"[uval]); | |
1069 | else | |
1070 | abort (); | |
1071 | } | |
1072 | ||
ab902481 RS |
1073 | /* Print operand OPERAND of OPCODE, using STATE to track inter-operand state. |
1074 | UVAL is the encoding of the operand (shifted into bit 0) and BASE_PC is | |
1075 | the base address for OP_PCREL operands. */ | |
fd25c5a9 | 1076 | |
ab902481 RS |
1077 | static void |
1078 | print_insn_arg (struct disassemble_info *info, | |
1079 | struct mips_print_arg_state *state, | |
1080 | const struct mips_opcode *opcode, | |
1081 | const struct mips_operand *operand, | |
1082 | bfd_vma base_pc, | |
1083 | unsigned int uval) | |
1084 | { | |
1085 | const fprintf_ftype infprintf = info->fprintf_func; | |
1086 | void *is = info->stream; | |
fd25c5a9 | 1087 | |
ab902481 RS |
1088 | switch (operand->type) |
1089 | { | |
1090 | case OP_INT: | |
1091 | { | |
1092 | const struct mips_int_operand *int_op; | |
fd25c5a9 | 1093 | |
ab902481 RS |
1094 | int_op = (const struct mips_int_operand *) operand; |
1095 | uval = mips_decode_int_operand (int_op, uval); | |
1096 | state->last_int = uval; | |
1097 | if (int_op->print_hex) | |
1098 | infprintf (is, "0x%x", uval); | |
1099 | else | |
1100 | infprintf (is, "%d", uval); | |
1101 | } | |
1102 | break; | |
fd25c5a9 | 1103 | |
ab902481 RS |
1104 | case OP_MAPPED_INT: |
1105 | { | |
1106 | const struct mips_mapped_int_operand *mint_op; | |
fd25c5a9 | 1107 | |
ab902481 RS |
1108 | mint_op = (const struct mips_mapped_int_operand *) operand; |
1109 | uval = mint_op->int_map[uval]; | |
1110 | state->last_int = uval; | |
1111 | if (mint_op->print_hex) | |
1112 | infprintf (is, "0x%x", uval); | |
1113 | else | |
1114 | infprintf (is, "%d", uval); | |
1115 | } | |
1116 | break; | |
fd25c5a9 | 1117 | |
ab902481 RS |
1118 | case OP_MSB: |
1119 | { | |
1120 | const struct mips_msb_operand *msb_op; | |
dec0624d | 1121 | |
ab902481 RS |
1122 | msb_op = (const struct mips_msb_operand *) operand; |
1123 | uval += msb_op->bias; | |
1124 | if (msb_op->add_lsb) | |
1125 | uval -= state->last_int; | |
1126 | infprintf (is, "0x%x", uval); | |
1127 | } | |
1128 | break; | |
dec0624d | 1129 | |
ab902481 | 1130 | case OP_REG: |
0f35dbc4 | 1131 | case OP_OPTIONAL_REG: |
ab902481 RS |
1132 | { |
1133 | const struct mips_reg_operand *reg_op; | |
fd25c5a9 | 1134 | |
ab902481 | 1135 | reg_op = (const struct mips_reg_operand *) operand; |
fc76e730 | 1136 | uval = mips_decode_reg_operand (reg_op, uval); |
ab902481 | 1137 | print_reg (info, opcode, reg_op->reg_type, uval); |
fd25c5a9 | 1138 | |
ab902481 RS |
1139 | state->last_reg_type = reg_op->reg_type; |
1140 | state->last_regno = uval; | |
1141 | } | |
1142 | break; | |
61cc0267 | 1143 | |
ab902481 RS |
1144 | case OP_REG_PAIR: |
1145 | { | |
1146 | const struct mips_reg_pair_operand *pair_op; | |
1147 | ||
1148 | pair_op = (const struct mips_reg_pair_operand *) operand; | |
1149 | print_reg (info, opcode, pair_op->reg_type, | |
1150 | pair_op->reg1_map[uval]); | |
1151 | infprintf (is, ","); | |
1152 | print_reg (info, opcode, pair_op->reg_type, | |
1153 | pair_op->reg2_map[uval]); | |
1154 | } | |
1155 | break; | |
61cc0267 | 1156 | |
ab902481 RS |
1157 | case OP_PCREL: |
1158 | { | |
1159 | const struct mips_pcrel_operand *pcrel_op; | |
61cc0267 | 1160 | |
ab902481 RS |
1161 | pcrel_op = (const struct mips_pcrel_operand *) operand; |
1162 | info->target = mips_decode_pcrel_operand (pcrel_op, base_pc, uval); | |
61cc0267 | 1163 | |
ab902481 RS |
1164 | /* Preserve the ISA bit for the GDB disassembler, |
1165 | otherwise clear it. */ | |
1166 | if (info->flavour != bfd_target_unknown_flavour) | |
1167 | info->target &= -2; | |
61cc0267 | 1168 | |
ab902481 RS |
1169 | (*info->print_address_func) (info->target, info); |
1170 | } | |
1171 | break; | |
794ac9d0 | 1172 | |
ab902481 RS |
1173 | case OP_PERF_REG: |
1174 | infprintf (is, "%d", uval); | |
1175 | break; | |
794ac9d0 | 1176 | |
ab902481 RS |
1177 | case OP_ADDIUSP_INT: |
1178 | { | |
1179 | int sval; | |
794ac9d0 | 1180 | |
ab902481 RS |
1181 | sval = mips_signed_operand (operand, uval) * 4; |
1182 | if (sval >= -8 && sval < 8) | |
1183 | sval ^= 0x400; | |
1184 | infprintf (is, "%d", sval); | |
1185 | break; | |
1186 | } | |
794ac9d0 | 1187 | |
ab902481 RS |
1188 | case OP_CLO_CLZ_DEST: |
1189 | { | |
1190 | unsigned int reg1, reg2; | |
1191 | ||
1192 | reg1 = uval & 31; | |
1193 | reg2 = uval >> 5; | |
1194 | /* If one is zero use the other. */ | |
1195 | if (reg1 == reg2 || reg2 == 0) | |
1196 | infprintf (is, "%s", mips_gpr_names[reg1]); | |
1197 | else if (reg1 == 0) | |
1198 | infprintf (is, "%s", mips_gpr_names[reg2]); | |
1199 | else | |
1200 | /* Bogus, result depends on processor. */ | |
1201 | infprintf (is, "%s or %s", mips_gpr_names[reg1], | |
1202 | mips_gpr_names[reg2]); | |
1203 | } | |
1204 | break; | |
794ac9d0 | 1205 | |
ab902481 RS |
1206 | case OP_LWM_SWM_LIST: |
1207 | if (operand->size == 2) | |
1208 | { | |
1209 | if (uval == 0) | |
1210 | infprintf (is, "%s,%s", | |
1211 | mips_gpr_names[16], | |
1212 | mips_gpr_names[31]); | |
1213 | else | |
1214 | infprintf (is, "%s-%s,%s", | |
1215 | mips_gpr_names[16], | |
1216 | mips_gpr_names[16 + uval], | |
1217 | mips_gpr_names[31]); | |
1218 | } | |
1219 | else | |
1220 | { | |
1221 | int s_reg_encode; | |
794ac9d0 | 1222 | |
ab902481 RS |
1223 | s_reg_encode = uval & 0xf; |
1224 | if (s_reg_encode != 0) | |
1225 | { | |
1226 | if (s_reg_encode == 1) | |
1227 | infprintf (is, "%s", mips_gpr_names[16]); | |
1228 | else if (s_reg_encode < 9) | |
1229 | infprintf (is, "%s-%s", | |
1230 | mips_gpr_names[16], | |
1231 | mips_gpr_names[15 + s_reg_encode]); | |
1232 | else if (s_reg_encode == 9) | |
1233 | infprintf (is, "%s-%s,%s", | |
1234 | mips_gpr_names[16], | |
1235 | mips_gpr_names[23], | |
1236 | mips_gpr_names[30]); | |
1237 | else | |
1238 | infprintf (is, "UNKNOWN"); | |
1239 | } | |
794ac9d0 | 1240 | |
ab902481 RS |
1241 | if (uval & 0x10) /* For ra. */ |
1242 | { | |
1243 | if (s_reg_encode == 0) | |
1244 | infprintf (is, "%s", mips_gpr_names[31]); | |
1245 | else | |
1246 | infprintf (is, ",%s", mips_gpr_names[31]); | |
1247 | } | |
1248 | } | |
1249 | break; | |
794ac9d0 | 1250 | |
c3c07478 RS |
1251 | case OP_ENTRY_EXIT_LIST: |
1252 | { | |
1253 | const char *sep; | |
1254 | unsigned int amask, smask; | |
1255 | ||
1256 | sep = ""; | |
1257 | amask = (uval >> 3) & 7; | |
1258 | if (amask > 0 && amask < 5) | |
1259 | { | |
1260 | infprintf (is, "%s", mips_gpr_names[4]); | |
1261 | if (amask > 1) | |
1262 | infprintf (is, "-%s", mips_gpr_names[amask + 3]); | |
1263 | sep = ","; | |
1264 | } | |
1265 | ||
1266 | smask = (uval >> 1) & 3; | |
1267 | if (smask == 3) | |
1268 | { | |
1269 | infprintf (is, "%s??", sep); | |
1270 | sep = ","; | |
1271 | } | |
1272 | else if (smask > 0) | |
1273 | { | |
1274 | infprintf (is, "%s%s", sep, mips_gpr_names[16]); | |
1275 | if (smask > 1) | |
1276 | infprintf (is, "-%s", mips_gpr_names[smask + 15]); | |
1277 | sep = ","; | |
1278 | } | |
1279 | ||
1280 | if (uval & 1) | |
1281 | { | |
1282 | infprintf (is, "%s%s", sep, mips_gpr_names[31]); | |
1283 | sep = ","; | |
1284 | } | |
1285 | ||
1286 | if (amask == 5 || amask == 6) | |
1287 | { | |
1288 | infprintf (is, "%s%s", sep, mips_fpr_names[0]); | |
1289 | if (amask == 6) | |
1290 | infprintf (is, "-%s", mips_fpr_names[1]); | |
1291 | } | |
1292 | } | |
1293 | break; | |
1294 | ||
1295 | case OP_SAVE_RESTORE_LIST: | |
1296 | /* Should be handled by the caller due to extend behavior. */ | |
1297 | abort (); | |
1298 | ||
ab902481 RS |
1299 | case OP_MDMX_IMM_REG: |
1300 | { | |
1301 | unsigned int vsel; | |
794ac9d0 | 1302 | |
ab902481 RS |
1303 | vsel = uval >> 5; |
1304 | uval &= 31; | |
1305 | if ((vsel & 0x10) == 0) | |
794ac9d0 | 1306 | { |
ab902481 RS |
1307 | int fmt; |
1308 | ||
1309 | vsel &= 0x0f; | |
1310 | for (fmt = 0; fmt < 3; fmt++, vsel >>= 1) | |
1311 | if ((vsel & 1) == 0) | |
1312 | break; | |
1313 | print_reg (info, opcode, OP_REG_VEC, uval); | |
1314 | infprintf (is, "[%d]", vsel >> 1); | |
794ac9d0 | 1315 | } |
ab902481 RS |
1316 | else if ((vsel & 0x08) == 0) |
1317 | print_reg (info, opcode, OP_REG_VEC, uval); | |
1318 | else | |
1319 | infprintf (is, "0x%x", uval); | |
1320 | } | |
1321 | break; | |
794ac9d0 | 1322 | |
ab902481 RS |
1323 | case OP_REPEAT_PREV_REG: |
1324 | print_reg (info, opcode, state->last_reg_type, state->last_regno); | |
1325 | break; | |
794ac9d0 | 1326 | |
ab902481 RS |
1327 | case OP_REPEAT_DEST_REG: |
1328 | /* Should always match OP_REPEAT_PREV_REG first. */ | |
1329 | abort (); | |
794ac9d0 | 1330 | |
ab902481 RS |
1331 | case OP_PC: |
1332 | infprintf (is, "$pc"); | |
1333 | break; | |
14daeee3 RS |
1334 | |
1335 | case OP_VU0_SUFFIX: | |
1336 | case OP_VU0_MATCH_SUFFIX: | |
1337 | print_vu0_channel (info, operand, uval); | |
1338 | break; | |
4edbb8e3 CF |
1339 | |
1340 | case OP_IMM_INDEX: | |
1341 | infprintf (is, "[%d]", uval); | |
1342 | break; | |
1343 | ||
1344 | case OP_REG_INDEX: | |
1345 | infprintf (is, "["); | |
1346 | print_reg (info, opcode, OP_REG_GP, uval); | |
1347 | infprintf (is, "]"); | |
1348 | break; | |
ab902481 RS |
1349 | } |
1350 | } | |
794ac9d0 | 1351 | |
ab902481 RS |
1352 | /* Print the arguments for INSN, which is described by OPCODE. |
1353 | Use DECODE_OPERAND to get the encoding of each operand. Use BASE_PC | |
1354 | as the base of OP_PCREL operands. */ | |
af7ee8bf | 1355 | |
ab902481 RS |
1356 | static void |
1357 | print_insn_args (struct disassemble_info *info, | |
1358 | const struct mips_opcode *opcode, | |
1359 | const struct mips_operand *(*decode_operand) (const char *), | |
1360 | unsigned int insn, bfd_vma base_pc) | |
1361 | { | |
1362 | const fprintf_ftype infprintf = info->fprintf_func; | |
1363 | void *is = info->stream; | |
1364 | struct mips_print_arg_state state; | |
1365 | const struct mips_operand *operand; | |
1366 | const char *s; | |
794ac9d0 | 1367 | |
ab902481 RS |
1368 | init_print_arg_state (&state); |
1369 | for (s = opcode->args; *s; ++s) | |
1370 | { | |
1371 | switch (*s) | |
1372 | { | |
1373 | case ',': | |
1374 | case '(': | |
1375 | case ')': | |
1376 | infprintf (is, "%c", *s); | |
794ac9d0 CD |
1377 | break; |
1378 | ||
14daeee3 RS |
1379 | case '#': |
1380 | ++s; | |
1381 | infprintf (is, "%c%c", *s, *s); | |
1382 | break; | |
1383 | ||
ab902481 RS |
1384 | default: |
1385 | operand = decode_operand (s); | |
1386 | if (!operand) | |
fa7616a4 | 1387 | { |
ab902481 RS |
1388 | /* xgettext:c-format */ |
1389 | infprintf (is, | |
1390 | _("# internal error, undefined operand in `%s %s'"), | |
1391 | opcode->name, opcode->args); | |
1392 | return; | |
1393 | } | |
1394 | if (operand->type == OP_REG | |
1395 | && s[1] == ',' | |
1396 | && s[2] == 'H' | |
1397 | && opcode->name[strlen (opcode->name) - 1] == '0') | |
1398 | { | |
1399 | /* Coprocessor register 0 with sel field (MT ASE). */ | |
1400 | const struct mips_cp0sel_name *n; | |
1401 | unsigned int reg, sel; | |
1402 | ||
1403 | reg = mips_extract_operand (operand, insn); | |
1404 | s += 2; | |
1405 | operand = decode_operand (s); | |
1406 | sel = mips_extract_operand (operand, insn); | |
1407 | ||
1408 | /* CP0 register including 'sel' code for mftc0, to be | |
1409 | printed textually if known. If not known, print both | |
1410 | CP0 register name and sel numerically since CP0 register | |
1411 | with sel 0 may have a name unrelated to register being | |
1412 | printed. */ | |
1413 | n = lookup_mips_cp0sel_name (mips_cp0sel_names, | |
1414 | mips_cp0sel_names_len, | |
1415 | reg, sel); | |
1416 | if (n != NULL) | |
1417 | infprintf (is, "%s", n->name); | |
fa7616a4 | 1418 | else |
ab902481 | 1419 | infprintf (is, "$%d,%d", reg, sel); |
fa7616a4 | 1420 | } |
794ac9d0 | 1421 | else |
ab902481 RS |
1422 | print_insn_arg (info, &state, opcode, operand, base_pc, |
1423 | mips_extract_operand (operand, insn)); | |
1424 | if (*s == 'm' || *s == '+') | |
1425 | ++s; | |
794ac9d0 | 1426 | break; |
af7ee8bf | 1427 | } |
252b5132 RH |
1428 | } |
1429 | } | |
1430 | \f | |
252b5132 RH |
1431 | /* Print the mips instruction at address MEMADDR in debugged memory, |
1432 | on using INFO. Returns length of the instruction, in bytes, which is | |
aa5f19f2 | 1433 | always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if |
252b5132 RH |
1434 | this is little-endian code. */ |
1435 | ||
1436 | static int | |
47b0e7ad | 1437 | print_insn_mips (bfd_vma memaddr, |
fc8c4fd1 | 1438 | int word, |
47b0e7ad | 1439 | struct disassemble_info *info) |
252b5132 | 1440 | { |
ab902481 RS |
1441 | #define GET_OP(insn, field) \ |
1442 | (((insn) >> OP_SH_##field) & OP_MASK_##field) | |
fc8c4fd1 MR |
1443 | static const struct mips_opcode *mips_hash[OP_MASK_OP + 1]; |
1444 | const fprintf_ftype infprintf = info->fprintf_func; | |
47b0e7ad | 1445 | const struct mips_opcode *op; |
b34976b6 | 1446 | static bfd_boolean init = 0; |
fc8c4fd1 | 1447 | void *is = info->stream; |
252b5132 RH |
1448 | |
1449 | /* Build a hash table to shorten the search time. */ | |
1450 | if (! init) | |
1451 | { | |
1452 | unsigned int i; | |
1453 | ||
1454 | for (i = 0; i <= OP_MASK_OP; i++) | |
1455 | { | |
1456 | for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++) | |
1457 | { | |
986e18a5 | 1458 | if (op->pinfo == INSN_MACRO |
9e836e3d | 1459 | || (no_aliases && (op->pinfo2 & INSN2_ALIAS))) |
252b5132 | 1460 | continue; |
fc8c4fd1 | 1461 | if (i == GET_OP (op->match, OP)) |
252b5132 RH |
1462 | { |
1463 | mips_hash[i] = op; | |
1464 | break; | |
1465 | } | |
1466 | } | |
7f6621cd | 1467 | } |
252b5132 RH |
1468 | |
1469 | init = 1; | |
1470 | } | |
1471 | ||
aa5f19f2 | 1472 | info->bytes_per_chunk = INSNLEN; |
252b5132 | 1473 | info->display_endian = info->endian; |
9bb28706 CD |
1474 | info->insn_info_valid = 1; |
1475 | info->branch_delay_insns = 0; | |
def7143b | 1476 | info->data_size = 0; |
9bb28706 CD |
1477 | info->insn_type = dis_nonbranch; |
1478 | info->target = 0; | |
1479 | info->target2 = 0; | |
252b5132 | 1480 | |
fc8c4fd1 | 1481 | op = mips_hash[GET_OP (word, OP)]; |
252b5132 RH |
1482 | if (op != NULL) |
1483 | { | |
1484 | for (; op < &mips_opcodes[NUMOPCODES]; op++) | |
1485 | { | |
986e18a5 | 1486 | if (op->pinfo != INSN_MACRO |
9e836e3d | 1487 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) |
986e18a5 | 1488 | && (word & op->mask) == op->match) |
252b5132 | 1489 | { |
3396de36 | 1490 | /* We always allow to disassemble the jalx instruction. */ |
d301a56b | 1491 | if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor) |
3396de36 | 1492 | && strcmp (op->name, "jalx")) |
252b5132 RH |
1493 | continue; |
1494 | ||
9bb28706 CD |
1495 | /* Figure out instruction type and branch delay information. */ |
1496 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) | |
1497 | { | |
fc76e730 | 1498 | if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0) |
9bb28706 CD |
1499 | info->insn_type = dis_jsr; |
1500 | else | |
1501 | info->insn_type = dis_branch; | |
1502 | info->branch_delay_insns = 1; | |
1503 | } | |
1504 | else if ((op->pinfo & (INSN_COND_BRANCH_DELAY | |
1505 | | INSN_COND_BRANCH_LIKELY)) != 0) | |
1506 | { | |
c680e7f6 | 1507 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
9bb28706 CD |
1508 | info->insn_type = dis_condjsr; |
1509 | else | |
1510 | info->insn_type = dis_condbranch; | |
1511 | info->branch_delay_insns = 1; | |
1512 | } | |
1513 | else if ((op->pinfo & (INSN_STORE_MEMORY | |
67dc82bc | 1514 | | INSN_LOAD_MEMORY)) != 0) |
9bb28706 CD |
1515 | info->insn_type = dis_dref; |
1516 | ||
fc8c4fd1 | 1517 | infprintf (is, "%s", op->name); |
14daeee3 RS |
1518 | if (op->pinfo2 & INSN2_VU0_CHANNEL_SUFFIX) |
1519 | { | |
1520 | unsigned int uval; | |
1521 | ||
1522 | infprintf (is, "."); | |
1523 | uval = mips_extract_operand (&mips_vu0_channel_mask, word); | |
1524 | print_vu0_channel (info, &mips_vu0_channel_mask, uval); | |
1525 | } | |
252b5132 | 1526 | |
ab902481 | 1527 | if (op->args[0]) |
252b5132 | 1528 | { |
fc8c4fd1 | 1529 | infprintf (is, "\t"); |
ab902481 RS |
1530 | print_insn_args (info, op, decode_mips_operand, word, |
1531 | memaddr + 4); | |
252b5132 RH |
1532 | } |
1533 | ||
aa5f19f2 | 1534 | return INSNLEN; |
252b5132 RH |
1535 | } |
1536 | } | |
1537 | } | |
fc8c4fd1 | 1538 | #undef GET_OP |
252b5132 RH |
1539 | |
1540 | /* Handle undefined instructions. */ | |
9bb28706 | 1541 | info->insn_type = dis_noninsn; |
fc8c4fd1 | 1542 | infprintf (is, "0x%x", word); |
aa5f19f2 | 1543 | return INSNLEN; |
252b5132 | 1544 | } |
aa5f19f2 | 1545 | \f |
252b5132 RH |
1546 | /* Disassemble an operand for a mips16 instruction. */ |
1547 | ||
1548 | static void | |
c3c07478 RS |
1549 | print_mips16_insn_arg (struct disassemble_info *info, |
1550 | struct mips_print_arg_state *state, | |
1551 | const struct mips_opcode *opcode, | |
1552 | char type, bfd_vma memaddr, | |
1553 | unsigned insn, bfd_boolean use_extend, | |
1554 | unsigned extend, bfd_boolean is_offset) | |
252b5132 | 1555 | { |
fc8c4fd1 MR |
1556 | const fprintf_ftype infprintf = info->fprintf_func; |
1557 | void *is = info->stream; | |
c3c07478 RS |
1558 | const struct mips_operand *operand, *ext_operand; |
1559 | unsigned int uval; | |
1560 | bfd_vma baseaddr; | |
1561 | ||
1562 | if (!use_extend) | |
1563 | extend = 0; | |
fc8c4fd1 | 1564 | |
252b5132 RH |
1565 | switch (type) |
1566 | { | |
1567 | case ',': | |
1568 | case '(': | |
1569 | case ')': | |
fc8c4fd1 | 1570 | infprintf (is, "%c", type); |
252b5132 RH |
1571 | break; |
1572 | ||
c3c07478 RS |
1573 | default: |
1574 | operand = decode_mips16_operand (type, FALSE); | |
1575 | if (!operand) | |
1576 | { | |
1577 | /* xgettext:c-format */ | |
1578 | infprintf (is, _("# internal error, undefined operand in `%s %s'"), | |
1579 | opcode->name, opcode->args); | |
1580 | return; | |
1581 | } | |
252b5132 | 1582 | |
c3c07478 RS |
1583 | if (operand->type == OP_SAVE_RESTORE_LIST) |
1584 | { | |
1585 | /* Handle this case here because of the complex interation | |
1586 | with the EXTEND opcode. */ | |
1587 | unsigned int amask, nargs, nstatics, nsreg, smask, frame_size, i, j; | |
1588 | const char *sep; | |
252b5132 | 1589 | |
c3c07478 RS |
1590 | amask = extend & 0xf; |
1591 | if (amask == MIPS16_ALL_ARGS) | |
1592 | { | |
1593 | nargs = 4; | |
1594 | nstatics = 0; | |
1595 | } | |
1596 | else if (amask == MIPS16_ALL_STATICS) | |
1597 | { | |
1598 | nargs = 0; | |
1599 | nstatics = 4; | |
1600 | } | |
1601 | else | |
1602 | { | |
1603 | nargs = amask >> 2; | |
1604 | nstatics = amask & 3; | |
1605 | } | |
252b5132 | 1606 | |
c3c07478 RS |
1607 | sep = ""; |
1608 | if (nargs > 0) | |
1609 | { | |
1610 | infprintf (is, "%s", mips_gpr_names[4]); | |
1611 | if (nargs > 1) | |
1612 | infprintf (is, "-%s", mips_gpr_names[4 + nargs - 1]); | |
1613 | sep = ","; | |
1614 | } | |
252b5132 | 1615 | |
c3c07478 RS |
1616 | frame_size = ((extend & 0xf0) | (insn & 0x0f)) * 8; |
1617 | if (frame_size == 0 && !use_extend) | |
1618 | frame_size = 128; | |
1619 | infprintf (is, "%s%d", sep, frame_size); | |
1620 | ||
1621 | if (insn & 0x40) /* $ra */ | |
1622 | infprintf (is, ",%s", mips_gpr_names[31]); | |
1623 | ||
1624 | nsreg = (extend >> 8) & 0x7; | |
1625 | smask = 0; | |
1626 | if (insn & 0x20) /* $s0 */ | |
1627 | smask |= 1 << 0; | |
1628 | if (insn & 0x10) /* $s1 */ | |
1629 | smask |= 1 << 1; | |
1630 | if (nsreg > 0) /* $s2-$s8 */ | |
1631 | smask |= ((1 << nsreg) - 1) << 2; | |
1632 | ||
1633 | for (i = 0; i < 9; i++) | |
1634 | if (smask & (1 << i)) | |
252b5132 | 1635 | { |
c3c07478 RS |
1636 | infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]); |
1637 | /* Skip over string of set bits. */ | |
1638 | for (j = i; smask & (2 << j); j++) | |
1639 | continue; | |
1640 | if (j > i) | |
1641 | infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]); | |
1642 | i = j + 1; | |
252b5132 | 1643 | } |
c3c07478 RS |
1644 | /* Statics $ax - $a3. */ |
1645 | if (nstatics == 1) | |
1646 | infprintf (is, ",%s", mips_gpr_names[7]); | |
1647 | else if (nstatics > 0) | |
1648 | infprintf (is, ",%s-%s", | |
1649 | mips_gpr_names[7 - nstatics + 1], | |
1650 | mips_gpr_names[7]); | |
1651 | break; | |
1652 | } | |
252b5132 | 1653 | |
c3c07478 RS |
1654 | if (is_offset && operand->type == OP_INT) |
1655 | { | |
1656 | const struct mips_int_operand *int_op; | |
252b5132 | 1657 | |
c3c07478 RS |
1658 | int_op = (const struct mips_int_operand *) operand; |
1659 | info->insn_type = dis_dref; | |
1660 | info->data_size = 1 << int_op->shift; | |
1661 | } | |
252b5132 | 1662 | |
c3c07478 RS |
1663 | if (operand->size == 26) |
1664 | /* In this case INSN is the first two bytes of the instruction | |
1665 | and EXTEND is the second two bytes. */ | |
1666 | uval = ((insn & 0x1f) << 21) | ((insn & 0x3e0) << 11) | extend; | |
1667 | else | |
1668 | { | |
1669 | /* Calculate the full field value. */ | |
1670 | uval = mips_extract_operand (operand, insn); | |
1671 | if (use_extend) | |
1672 | { | |
1673 | ext_operand = decode_mips16_operand (type, TRUE); | |
1674 | if (ext_operand != operand) | |
1675 | { | |
1676 | operand = ext_operand; | |
1677 | if (operand->size == 16) | |
1678 | uval |= ((extend & 0x1f) << 11) | (extend & 0x7e0); | |
1679 | else if (operand->size == 15) | |
1680 | uval |= ((extend & 0xf) << 11) | (extend & 0x7f0); | |
1681 | else | |
1682 | uval = ((extend >> 6) & 0x1f) | (extend & 0x20); | |
1683 | } | |
1684 | } | |
1685 | } | |
1686 | ||
1687 | baseaddr = memaddr + 2; | |
1688 | if (operand->type == OP_PCREL) | |
1689 | { | |
1690 | const struct mips_pcrel_operand *pcrel_op; | |
1691 | ||
1692 | pcrel_op = (const struct mips_pcrel_operand *) operand; | |
1693 | if (!pcrel_op->include_isa_bit && use_extend) | |
1694 | baseaddr = memaddr - 2; | |
1695 | else if (!pcrel_op->include_isa_bit) | |
1696 | { | |
1697 | bfd_byte buffer[2]; | |
1698 | ||
1699 | /* If this instruction is in the delay slot of a JR | |
1700 | instruction, the base address is the address of the | |
1701 | JR instruction. If it is in the delay slot of a JALR | |
1702 | instruction, the base address is the address of the | |
1703 | JALR instruction. This test is unreliable: we have | |
1704 | no way of knowing whether the previous word is | |
1705 | instruction or data. */ | |
1706 | if (info->read_memory_func (memaddr - 4, buffer, 2, info) == 0 | |
1707 | && (((info->endian == BFD_ENDIAN_BIG | |
1708 | ? bfd_getb16 (buffer) | |
1709 | : bfd_getl16 (buffer)) | |
1710 | & 0xf800) == 0x1800)) | |
1711 | baseaddr = memaddr - 4; | |
1712 | else if (info->read_memory_func (memaddr - 2, buffer, 2, | |
1713 | info) == 0 | |
252b5132 RH |
1714 | && (((info->endian == BFD_ENDIAN_BIG |
1715 | ? bfd_getb16 (buffer) | |
1716 | : bfd_getl16 (buffer)) | |
1717 | & 0xf81f) == 0xe800)) | |
c3c07478 RS |
1718 | baseaddr = memaddr - 2; |
1719 | else | |
1720 | baseaddr = memaddr; | |
1721 | } | |
1722 | } | |
0499d65b | 1723 | |
6d075bce | 1724 | print_insn_arg (info, state, opcode, operand, baseaddr + 1, uval); |
0499d65b | 1725 | break; |
252b5132 RH |
1726 | } |
1727 | } | |
640c0ccd | 1728 | |
1bbce132 MR |
1729 | |
1730 | /* Check if the given address is the last word of a MIPS16 PLT entry. | |
1731 | This word is data and depending on the value it may interfere with | |
1732 | disassembly of further PLT entries. We make use of the fact PLT | |
1733 | symbols are marked BSF_SYNTHETIC. */ | |
1734 | static bfd_boolean | |
1735 | is_mips16_plt_tail (struct disassemble_info *info, bfd_vma addr) | |
1736 | { | |
1737 | if (info->symbols | |
1738 | && info->symbols[0] | |
1739 | && (info->symbols[0]->flags & BSF_SYNTHETIC) | |
1740 | && addr == bfd_asymbol_value (info->symbols[0]) + 12) | |
1741 | return TRUE; | |
1742 | ||
1743 | return FALSE; | |
1744 | } | |
1745 | ||
47b0e7ad NC |
1746 | /* Disassemble mips16 instructions. */ |
1747 | ||
1748 | static int | |
1749 | print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info) | |
1750 | { | |
fc8c4fd1 | 1751 | const fprintf_ftype infprintf = info->fprintf_func; |
47b0e7ad | 1752 | int status; |
1bbce132 | 1753 | bfd_byte buffer[4]; |
47b0e7ad NC |
1754 | int length; |
1755 | int insn; | |
1756 | bfd_boolean use_extend; | |
1757 | int extend = 0; | |
1758 | const struct mips_opcode *op, *opend; | |
c3c07478 | 1759 | struct mips_print_arg_state state; |
fc8c4fd1 | 1760 | void *is = info->stream; |
47b0e7ad NC |
1761 | |
1762 | info->bytes_per_chunk = 2; | |
1763 | info->display_endian = info->endian; | |
1764 | info->insn_info_valid = 1; | |
1765 | info->branch_delay_insns = 0; | |
1766 | info->data_size = 0; | |
47b0e7ad NC |
1767 | info->target = 0; |
1768 | info->target2 = 0; | |
1769 | ||
c3c07478 RS |
1770 | #define GET_OP(insn, field) \ |
1771 | (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field) | |
1bbce132 MR |
1772 | /* Decode PLT entry's GOT slot address word. */ |
1773 | if (is_mips16_plt_tail (info, memaddr)) | |
1774 | { | |
1775 | info->insn_type = dis_noninsn; | |
1776 | status = (*info->read_memory_func) (memaddr, buffer, 4, info); | |
1777 | if (status == 0) | |
1778 | { | |
1779 | unsigned int gotslot; | |
1780 | ||
1781 | if (info->endian == BFD_ENDIAN_BIG) | |
1782 | gotslot = bfd_getb32 (buffer); | |
1783 | else | |
1784 | gotslot = bfd_getl32 (buffer); | |
1785 | infprintf (is, ".word\t0x%x", gotslot); | |
1786 | ||
1787 | return 4; | |
1788 | } | |
1789 | } | |
1790 | else | |
1791 | { | |
1792 | info->insn_type = dis_nonbranch; | |
1793 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
1794 | } | |
47b0e7ad NC |
1795 | if (status != 0) |
1796 | { | |
1797 | (*info->memory_error_func) (status, memaddr, info); | |
1798 | return -1; | |
1799 | } | |
1800 | ||
1801 | length = 2; | |
1802 | ||
1803 | if (info->endian == BFD_ENDIAN_BIG) | |
1804 | insn = bfd_getb16 (buffer); | |
1805 | else | |
1806 | insn = bfd_getl16 (buffer); | |
1807 | ||
1808 | /* Handle the extend opcode specially. */ | |
1809 | use_extend = FALSE; | |
1810 | if ((insn & 0xf800) == 0xf000) | |
1811 | { | |
1812 | use_extend = TRUE; | |
1813 | extend = insn & 0x7ff; | |
1814 | ||
1815 | memaddr += 2; | |
1816 | ||
1817 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
1818 | if (status != 0) | |
1819 | { | |
fc8c4fd1 | 1820 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
1821 | (*info->memory_error_func) (status, memaddr, info); |
1822 | return -1; | |
1823 | } | |
1824 | ||
1825 | if (info->endian == BFD_ENDIAN_BIG) | |
1826 | insn = bfd_getb16 (buffer); | |
1827 | else | |
1828 | insn = bfd_getl16 (buffer); | |
1829 | ||
1830 | /* Check for an extend opcode followed by an extend opcode. */ | |
1831 | if ((insn & 0xf800) == 0xf000) | |
1832 | { | |
fc8c4fd1 | 1833 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
1834 | info->insn_type = dis_noninsn; |
1835 | return length; | |
1836 | } | |
1837 | ||
1838 | length += 2; | |
1839 | } | |
1840 | ||
1841 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
1842 | ||
1843 | opend = mips16_opcodes + bfd_mips16_num_opcodes; | |
1844 | for (op = mips16_opcodes; op < opend; op++) | |
1845 | { | |
1846 | if (op->pinfo != INSN_MACRO | |
1847 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
1848 | && (insn & op->mask) == op->match) | |
1849 | { | |
1850 | const char *s; | |
1851 | ||
27c5c572 | 1852 | if (op->args[0] == 'a' || op->args[0] == 'i') |
47b0e7ad NC |
1853 | { |
1854 | if (use_extend) | |
1855 | { | |
fc8c4fd1 | 1856 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
1857 | info->insn_type = dis_noninsn; |
1858 | return length - 2; | |
1859 | } | |
1860 | ||
1861 | use_extend = FALSE; | |
1862 | ||
1863 | memaddr += 2; | |
1864 | ||
1865 | status = (*info->read_memory_func) (memaddr, buffer, 2, | |
1866 | info); | |
1867 | if (status == 0) | |
1868 | { | |
1869 | use_extend = TRUE; | |
1870 | if (info->endian == BFD_ENDIAN_BIG) | |
1871 | extend = bfd_getb16 (buffer); | |
1872 | else | |
1873 | extend = bfd_getl16 (buffer); | |
1874 | length += 2; | |
1875 | } | |
1876 | } | |
1877 | ||
fc8c4fd1 | 1878 | infprintf (is, "%s", op->name); |
47b0e7ad | 1879 | if (op->args[0] != '\0') |
fc8c4fd1 | 1880 | infprintf (is, "\t"); |
47b0e7ad | 1881 | |
c3c07478 | 1882 | init_print_arg_state (&state); |
47b0e7ad NC |
1883 | for (s = op->args; *s != '\0'; s++) |
1884 | { | |
1885 | if (*s == ',' | |
1886 | && s[1] == 'w' | |
fc8c4fd1 | 1887 | && GET_OP (insn, RX) == GET_OP (insn, RY)) |
47b0e7ad NC |
1888 | { |
1889 | /* Skip the register and the comma. */ | |
1890 | ++s; | |
1891 | continue; | |
1892 | } | |
1893 | if (*s == ',' | |
1894 | && s[1] == 'v' | |
fc8c4fd1 | 1895 | && GET_OP (insn, RZ) == GET_OP (insn, RX)) |
47b0e7ad NC |
1896 | { |
1897 | /* Skip the register and the comma. */ | |
1898 | ++s; | |
1899 | continue; | |
1900 | } | |
c3c07478 RS |
1901 | print_mips16_insn_arg (info, &state, op, *s, memaddr, insn, |
1902 | use_extend, extend, s[1] == '('); | |
47b0e7ad NC |
1903 | } |
1904 | ||
9a2c7088 | 1905 | /* Figure out branch instruction type and delay slot information. */ |
47b0e7ad | 1906 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) |
9a2c7088 | 1907 | info->branch_delay_insns = 1; |
26545944 RS |
1908 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0 |
1909 | || (op->pinfo2 & INSN2_UNCOND_BRANCH) != 0) | |
47b0e7ad | 1910 | { |
9a2c7088 MR |
1911 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
1912 | info->insn_type = dis_jsr; | |
1913 | else | |
47b0e7ad NC |
1914 | info->insn_type = dis_branch; |
1915 | } | |
26545944 | 1916 | else if ((op->pinfo2 & INSN2_COND_BRANCH) != 0) |
9a2c7088 | 1917 | info->insn_type = dis_condbranch; |
47b0e7ad NC |
1918 | |
1919 | return length; | |
1920 | } | |
1921 | } | |
fc8c4fd1 | 1922 | #undef GET_OP |
47b0e7ad NC |
1923 | |
1924 | if (use_extend) | |
fc8c4fd1 MR |
1925 | infprintf (is, "0x%x", extend | 0xf000); |
1926 | infprintf (is, "0x%x", insn); | |
47b0e7ad NC |
1927 | info->insn_type = dis_noninsn; |
1928 | ||
1929 | return length; | |
1930 | } | |
1931 | ||
df58fc94 RS |
1932 | /* Disassemble microMIPS instructions. */ |
1933 | ||
1934 | static int | |
1935 | print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info) | |
1936 | { | |
0c7533d3 | 1937 | const fprintf_ftype infprintf = info->fprintf_func; |
df58fc94 | 1938 | const struct mips_opcode *op, *opend; |
df58fc94 | 1939 | void *is = info->stream; |
df58fc94 | 1940 | bfd_byte buffer[2]; |
ab902481 RS |
1941 | unsigned int higher; |
1942 | unsigned int length; | |
df58fc94 | 1943 | int status; |
ab902481 | 1944 | unsigned int insn; |
df58fc94 RS |
1945 | |
1946 | info->bytes_per_chunk = 2; | |
1947 | info->display_endian = info->endian; | |
1948 | info->insn_info_valid = 1; | |
1949 | info->branch_delay_insns = 0; | |
1950 | info->data_size = 0; | |
1951 | info->insn_type = dis_nonbranch; | |
1952 | info->target = 0; | |
1953 | info->target2 = 0; | |
1954 | ||
1955 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
1956 | if (status != 0) | |
1957 | { | |
1958 | (*info->memory_error_func) (status, memaddr, info); | |
1959 | return -1; | |
1960 | } | |
1961 | ||
1962 | length = 2; | |
1963 | ||
1964 | if (info->endian == BFD_ENDIAN_BIG) | |
1965 | insn = bfd_getb16 (buffer); | |
1966 | else | |
1967 | insn = bfd_getl16 (buffer); | |
1968 | ||
1969 | if ((insn & 0xfc00) == 0x7c00) | |
1970 | { | |
1971 | /* This is a 48-bit microMIPS instruction. */ | |
1972 | higher = insn; | |
1973 | ||
1974 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
1975 | if (status != 0) | |
1976 | { | |
0c7533d3 | 1977 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
1978 | (*info->memory_error_func) (status, memaddr + 2, info); |
1979 | return -1; | |
1980 | } | |
1981 | if (info->endian == BFD_ENDIAN_BIG) | |
1982 | insn = bfd_getb16 (buffer); | |
1983 | else | |
1984 | insn = bfd_getl16 (buffer); | |
1985 | higher = (higher << 16) | insn; | |
1986 | ||
1987 | status = (*info->read_memory_func) (memaddr + 4, buffer, 2, info); | |
1988 | if (status != 0) | |
1989 | { | |
0c7533d3 | 1990 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
1991 | (*info->memory_error_func) (status, memaddr + 4, info); |
1992 | return -1; | |
1993 | } | |
1994 | if (info->endian == BFD_ENDIAN_BIG) | |
1995 | insn = bfd_getb16 (buffer); | |
1996 | else | |
1997 | insn = bfd_getl16 (buffer); | |
0c7533d3 | 1998 | infprintf (is, "0x%x%04x (48-bit insn)", higher, insn); |
df58fc94 RS |
1999 | |
2000 | info->insn_type = dis_noninsn; | |
2001 | return 6; | |
2002 | } | |
2003 | else if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000) | |
2004 | { | |
2005 | /* This is a 32-bit microMIPS instruction. */ | |
2006 | higher = insn; | |
2007 | ||
2008 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
2009 | if (status != 0) | |
2010 | { | |
0c7533d3 | 2011 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
2012 | (*info->memory_error_func) (status, memaddr + 2, info); |
2013 | return -1; | |
2014 | } | |
2015 | ||
2016 | if (info->endian == BFD_ENDIAN_BIG) | |
2017 | insn = bfd_getb16 (buffer); | |
2018 | else | |
2019 | insn = bfd_getl16 (buffer); | |
2020 | ||
2021 | insn = insn | (higher << 16); | |
2022 | ||
2023 | length += 2; | |
2024 | } | |
2025 | ||
2026 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
2027 | ||
df58fc94 RS |
2028 | opend = micromips_opcodes + bfd_micromips_num_opcodes; |
2029 | for (op = micromips_opcodes; op < opend; op++) | |
2030 | { | |
2031 | if (op->pinfo != INSN_MACRO | |
2032 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
2033 | && (insn & op->mask) == op->match | |
2034 | && ((length == 2 && (op->mask & 0xffff0000) == 0) | |
2035 | || (length == 4 && (op->mask & 0xffff0000) != 0))) | |
2036 | { | |
0c7533d3 | 2037 | infprintf (is, "%s", op->name); |
df58fc94 | 2038 | |
ab902481 | 2039 | if (op->args[0]) |
df58fc94 | 2040 | { |
ab902481 RS |
2041 | infprintf (is, "\t"); |
2042 | print_insn_args (info, op, decode_micromips_operand, insn, | |
2043 | memaddr + length + 1); | |
df58fc94 RS |
2044 | } |
2045 | ||
2046 | /* Figure out instruction type and branch delay information. */ | |
2047 | if ((op->pinfo | |
2048 | & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0) | |
2049 | info->branch_delay_insns = 1; | |
2050 | if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY) | |
2051 | | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0) | |
2052 | { | |
fc76e730 | 2053 | if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0) |
df58fc94 RS |
2054 | info->insn_type = dis_jsr; |
2055 | else | |
2056 | info->insn_type = dis_branch; | |
2057 | } | |
2058 | else if (((op->pinfo & INSN_COND_BRANCH_DELAY) | |
2059 | | (op->pinfo2 & INSN2_COND_BRANCH)) != 0) | |
2060 | { | |
2061 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) | |
2062 | info->insn_type = dis_condjsr; | |
2063 | else | |
2064 | info->insn_type = dis_condbranch; | |
2065 | } | |
2066 | else if ((op->pinfo | |
67dc82bc | 2067 | & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY)) != 0) |
df58fc94 RS |
2068 | info->insn_type = dis_dref; |
2069 | ||
2070 | return length; | |
2071 | } | |
2072 | } | |
df58fc94 | 2073 | |
0c7533d3 | 2074 | infprintf (is, "0x%x", insn); |
df58fc94 RS |
2075 | info->insn_type = dis_noninsn; |
2076 | ||
2077 | return length; | |
2078 | } | |
2079 | ||
2080 | /* Return 1 if a symbol associated with the location being disassembled | |
2081 | indicates a compressed (MIPS16 or microMIPS) mode. We iterate over | |
2082 | all the symbols at the address being considered assuming if at least | |
2083 | one of them indicates code compression, then such code has been | |
2084 | genuinely produced here (other symbols could have been derived from | |
2085 | function symbols defined elsewhere or could define data). Otherwise, | |
2086 | return 0. */ | |
2087 | ||
2088 | static bfd_boolean | |
2089 | is_compressed_mode_p (struct disassemble_info *info) | |
2090 | { | |
df58fc94 | 2091 | int i; |
1bbce132 MR |
2092 | int l; |
2093 | ||
2094 | for (i = info->symtab_pos, l = i + info->num_symbols; i < l; i++) | |
2095 | if (((info->symtab[i])->flags & BSF_SYNTHETIC) != 0 | |
2096 | && ((!micromips_ase | |
2097 | && ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i)) | |
2098 | || (micromips_ase | |
2099 | && ELF_ST_IS_MICROMIPS ((*info->symbols)->udata.i)))) | |
2100 | return 1; | |
2101 | else if (bfd_asymbol_flavour (info->symtab[i]) == bfd_target_elf_flavour | |
2102 | && info->symtab[i]->section == info->section) | |
2103 | { | |
2104 | elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i]; | |
2105 | if ((!micromips_ase | |
2106 | && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other)) | |
2107 | || (micromips_ase | |
2108 | && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other))) | |
2109 | return 1; | |
2110 | } | |
df58fc94 RS |
2111 | |
2112 | return 0; | |
2113 | } | |
2114 | ||
47b0e7ad NC |
2115 | /* In an environment where we do not know the symbol type of the |
2116 | instruction we are forced to assume that the low order bit of the | |
2117 | instructions' address may mark it as a mips16 instruction. If we | |
2118 | are single stepping, or the pc is within the disassembled function, | |
2119 | this works. Otherwise, we need a clue. Sometimes. */ | |
2120 | ||
2121 | static int | |
2122 | _print_insn_mips (bfd_vma memaddr, | |
2123 | struct disassemble_info *info, | |
2124 | enum bfd_endian endianness) | |
2125 | { | |
df58fc94 | 2126 | int (*print_insn_compr) (bfd_vma, struct disassemble_info *); |
47b0e7ad NC |
2127 | bfd_byte buffer[INSNLEN]; |
2128 | int status; | |
2129 | ||
2130 | set_default_mips_dis_options (info); | |
2131 | parse_mips_dis_options (info->disassembler_options); | |
2132 | ||
df58fc94 RS |
2133 | if (info->mach == bfd_mach_mips16) |
2134 | return print_insn_mips16 (memaddr, info); | |
2135 | if (info->mach == bfd_mach_mips_micromips) | |
2136 | return print_insn_micromips (memaddr, info); | |
2137 | ||
2138 | print_insn_compr = !micromips_ase ? print_insn_mips16 : print_insn_micromips; | |
2139 | ||
47b0e7ad | 2140 | #if 1 |
df58fc94 | 2141 | /* FIXME: If odd address, this is CLEARLY a compressed instruction. */ |
47b0e7ad NC |
2142 | /* Only a few tools will work this way. */ |
2143 | if (memaddr & 0x01) | |
df58fc94 | 2144 | return print_insn_compr (memaddr, info); |
47b0e7ad NC |
2145 | #endif |
2146 | ||
2147 | #if SYMTAB_AVAILABLE | |
df58fc94 RS |
2148 | if (is_compressed_mode_p (info)) |
2149 | return print_insn_compr (memaddr, info); | |
47b0e7ad NC |
2150 | #endif |
2151 | ||
2152 | status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info); | |
2153 | if (status == 0) | |
2154 | { | |
fc8c4fd1 | 2155 | int insn; |
47b0e7ad NC |
2156 | |
2157 | if (endianness == BFD_ENDIAN_BIG) | |
fc8c4fd1 | 2158 | insn = bfd_getb32 (buffer); |
47b0e7ad | 2159 | else |
fc8c4fd1 | 2160 | insn = bfd_getl32 (buffer); |
47b0e7ad NC |
2161 | |
2162 | return print_insn_mips (memaddr, insn, info); | |
2163 | } | |
2164 | else | |
2165 | { | |
2166 | (*info->memory_error_func) (status, memaddr, info); | |
2167 | return -1; | |
2168 | } | |
2169 | } | |
2170 | ||
2171 | int | |
2172 | print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info) | |
2173 | { | |
2174 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG); | |
2175 | } | |
2176 | ||
2177 | int | |
2178 | print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info) | |
2179 | { | |
2180 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE); | |
2181 | } | |
2182 | \f | |
640c0ccd | 2183 | void |
47b0e7ad | 2184 | print_mips_disassembler_options (FILE *stream) |
640c0ccd | 2185 | { |
4a9a3c54 | 2186 | unsigned int i; |
640c0ccd CD |
2187 | |
2188 | fprintf (stream, _("\n\ | |
2189 | The following MIPS specific disassembler options are supported for use\n\ | |
2190 | with the -M switch (multiple options should be separated by commas):\n")); | |
2191 | ||
4edbb8e3 CF |
2192 | fprintf (stream, _("\n\ |
2193 | msa Recognize MSA instructions.\n")); | |
2194 | ||
b015e599 AP |
2195 | fprintf (stream, _("\n\ |
2196 | virt Recognize the virtualization ASE instructions.\n")); | |
2197 | ||
640c0ccd CD |
2198 | fprintf (stream, _("\n\ |
2199 | gpr-names=ABI Print GPR names according to specified ABI.\n\ | |
2200 | Default: based on binary being disassembled.\n")); | |
2201 | ||
2202 | fprintf (stream, _("\n\ | |
2203 | fpr-names=ABI Print FPR names according to specified ABI.\n\ | |
2204 | Default: numeric.\n")); | |
2205 | ||
2206 | fprintf (stream, _("\n\ | |
2207 | cp0-names=ARCH Print CP0 register names according to\n\ | |
2208 | specified architecture.\n\ | |
2209 | Default: based on binary being disassembled.\n")); | |
2210 | ||
af7ee8bf CD |
2211 | fprintf (stream, _("\n\ |
2212 | hwr-names=ARCH Print HWR names according to specified \n\ | |
2213 | architecture.\n\ | |
2214 | Default: based on binary being disassembled.\n")); | |
2215 | ||
640c0ccd CD |
2216 | fprintf (stream, _("\n\ |
2217 | reg-names=ABI Print GPR and FPR names according to\n\ | |
2218 | specified ABI.\n")); | |
2219 | ||
2220 | fprintf (stream, _("\n\ | |
af7ee8bf | 2221 | reg-names=ARCH Print CP0 register and HWR names according to\n\ |
640c0ccd CD |
2222 | specified architecture.\n")); |
2223 | ||
2224 | fprintf (stream, _("\n\ | |
2225 | For the options above, the following values are supported for \"ABI\":\n\ | |
2226 | ")); | |
4a9a3c54 | 2227 | for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++) |
640c0ccd CD |
2228 | fprintf (stream, " %s", mips_abi_choices[i].name); |
2229 | fprintf (stream, _("\n")); | |
2230 | ||
2231 | fprintf (stream, _("\n\ | |
2232 | For the options above, The following values are supported for \"ARCH\":\n\ | |
2233 | ")); | |
4a9a3c54 | 2234 | for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++) |
640c0ccd CD |
2235 | if (*mips_arch_choices[i].name != '\0') |
2236 | fprintf (stream, " %s", mips_arch_choices[i].name); | |
2237 | fprintf (stream, _("\n")); | |
2238 | ||
2239 | fprintf (stream, _("\n")); | |
2240 | } |