1 /* Print mips instructions for GDB, the GNU debugger, or for objdump.
2 Copyright (C) 1989-2017 Free Software Foundation, Inc.
3 Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp).
5 This file is part of the GNU opcodes library.
7 This library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
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.
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. */
24 #include "libiberty.h"
25 #include "opcode/mips.h"
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
31 system as when it is used for disassembler support in a monitor. */
33 #if !defined(EMBEDDED_ENV)
34 #define SYMTAB_AVAILABLE 1
39 /* Mips instructions are at maximum this many bytes long. */
43 /* FIXME: These should be shared with gdb somehow. */
45 struct mips_cp0sel_name
49 const char * const name;
52 static const char * const mips_gpr_names_numeric[32] =
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", "$31"
60 static const char * const mips_gpr_names_oldabi[32] =
62 "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
63 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
64 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
65 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
68 static const char * const mips_gpr_names_newabi[32] =
70 "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
71 "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
72 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
73 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
76 static const char * const mips_fpr_names_numeric[32] =
78 "$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"
84 static const char * const mips_fpr_names_32[32] =
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"
92 static const char * const mips_fpr_names_n32[32] =
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"
100 static const char * const mips_fpr_names_64[32] =
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"
108 static const char * const mips_cp0_names_numeric[32] =
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"
116 static const char * const mips_cp1_names_numeric[32] =
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"
124 static const char * const mips_cp0_names_r3000[32] =
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",
136 static const char * const mips_cp0_names_r4000[32] =
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",
148 static const char * const mips_cp0_names_r5900[32] =
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"
160 static const char * const mips_cp0_names_mips3264[32] =
162 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
163 "c0_context", "c0_pagemask", "c0_wired", "$7",
164 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
165 "c0_status", "c0_cause", "c0_epc", "c0_prid",
166 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
167 "c0_xcontext", "$21", "$22", "c0_debug",
168 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr",
169 "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave",
172 static const char * const mips_cp1_names_mips3264[32] =
174 "c1_fir", "c1_ufr", "$2", "$3",
175 "c1_unfr", "$5", "$6", "$7",
176 "$8", "$9", "$10", "$11",
177 "$12", "$13", "$14", "$15",
178 "$16", "$17", "$18", "$19",
179 "$20", "$21", "$22", "$23",
180 "$24", "c1_fccr", "c1_fexr", "$27",
181 "c1_fenr", "$29", "$30", "c1_fcsr"
184 static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] =
186 { 16, 1, "c0_config1" },
187 { 16, 2, "c0_config2" },
188 { 16, 3, "c0_config3" },
189 { 18, 1, "c0_watchlo,1" },
190 { 18, 2, "c0_watchlo,2" },
191 { 18, 3, "c0_watchlo,3" },
192 { 18, 4, "c0_watchlo,4" },
193 { 18, 5, "c0_watchlo,5" },
194 { 18, 6, "c0_watchlo,6" },
195 { 18, 7, "c0_watchlo,7" },
196 { 19, 1, "c0_watchhi,1" },
197 { 19, 2, "c0_watchhi,2" },
198 { 19, 3, "c0_watchhi,3" },
199 { 19, 4, "c0_watchhi,4" },
200 { 19, 5, "c0_watchhi,5" },
201 { 19, 6, "c0_watchhi,6" },
202 { 19, 7, "c0_watchhi,7" },
203 { 25, 1, "c0_perfcnt,1" },
204 { 25, 2, "c0_perfcnt,2" },
205 { 25, 3, "c0_perfcnt,3" },
206 { 25, 4, "c0_perfcnt,4" },
207 { 25, 5, "c0_perfcnt,5" },
208 { 25, 6, "c0_perfcnt,6" },
209 { 25, 7, "c0_perfcnt,7" },
210 { 27, 1, "c0_cacheerr,1" },
211 { 27, 2, "c0_cacheerr,2" },
212 { 27, 3, "c0_cacheerr,3" },
213 { 28, 1, "c0_datalo" },
214 { 29, 1, "c0_datahi" }
217 static const char * const mips_cp0_names_mips3264r2[32] =
219 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
220 "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena",
221 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
222 "c0_status", "c0_cause", "c0_epc", "c0_prid",
223 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
224 "c0_xcontext", "$21", "$22", "c0_debug",
225 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr",
226 "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave",
229 static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] =
231 { 4, 1, "c0_contextconfig" },
232 { 0, 1, "c0_mvpcontrol" },
233 { 0, 2, "c0_mvpconf0" },
234 { 0, 3, "c0_mvpconf1" },
235 { 1, 1, "c0_vpecontrol" },
236 { 1, 2, "c0_vpeconf0" },
237 { 1, 3, "c0_vpeconf1" },
238 { 1, 4, "c0_yqmask" },
239 { 1, 5, "c0_vpeschedule" },
240 { 1, 6, "c0_vpeschefback" },
241 { 2, 1, "c0_tcstatus" },
242 { 2, 2, "c0_tcbind" },
243 { 2, 3, "c0_tcrestart" },
244 { 2, 4, "c0_tchalt" },
245 { 2, 5, "c0_tccontext" },
246 { 2, 6, "c0_tcschedule" },
247 { 2, 7, "c0_tcschefback" },
248 { 5, 1, "c0_pagegrain" },
249 { 6, 1, "c0_srsconf0" },
250 { 6, 2, "c0_srsconf1" },
251 { 6, 3, "c0_srsconf2" },
252 { 6, 4, "c0_srsconf3" },
253 { 6, 5, "c0_srsconf4" },
254 { 12, 1, "c0_intctl" },
255 { 12, 2, "c0_srsctl" },
256 { 12, 3, "c0_srsmap" },
257 { 15, 1, "c0_ebase" },
258 { 16, 1, "c0_config1" },
259 { 16, 2, "c0_config2" },
260 { 16, 3, "c0_config3" },
261 { 18, 1, "c0_watchlo,1" },
262 { 18, 2, "c0_watchlo,2" },
263 { 18, 3, "c0_watchlo,3" },
264 { 18, 4, "c0_watchlo,4" },
265 { 18, 5, "c0_watchlo,5" },
266 { 18, 6, "c0_watchlo,6" },
267 { 18, 7, "c0_watchlo,7" },
268 { 19, 1, "c0_watchhi,1" },
269 { 19, 2, "c0_watchhi,2" },
270 { 19, 3, "c0_watchhi,3" },
271 { 19, 4, "c0_watchhi,4" },
272 { 19, 5, "c0_watchhi,5" },
273 { 19, 6, "c0_watchhi,6" },
274 { 19, 7, "c0_watchhi,7" },
275 { 23, 1, "c0_tracecontrol" },
276 { 23, 2, "c0_tracecontrol2" },
277 { 23, 3, "c0_usertracedata" },
278 { 23, 4, "c0_tracebpc" },
279 { 25, 1, "c0_perfcnt,1" },
280 { 25, 2, "c0_perfcnt,2" },
281 { 25, 3, "c0_perfcnt,3" },
282 { 25, 4, "c0_perfcnt,4" },
283 { 25, 5, "c0_perfcnt,5" },
284 { 25, 6, "c0_perfcnt,6" },
285 { 25, 7, "c0_perfcnt,7" },
286 { 27, 1, "c0_cacheerr,1" },
287 { 27, 2, "c0_cacheerr,2" },
288 { 27, 3, "c0_cacheerr,3" },
289 { 28, 1, "c0_datalo" },
290 { 28, 2, "c0_taglo1" },
291 { 28, 3, "c0_datalo1" },
292 { 28, 4, "c0_taglo2" },
293 { 28, 5, "c0_datalo2" },
294 { 28, 6, "c0_taglo3" },
295 { 28, 7, "c0_datalo3" },
296 { 29, 1, "c0_datahi" },
297 { 29, 2, "c0_taghi1" },
298 { 29, 3, "c0_datahi1" },
299 { 29, 4, "c0_taghi2" },
300 { 29, 5, "c0_datahi2" },
301 { 29, 6, "c0_taghi3" },
302 { 29, 7, "c0_datahi3" },
305 /* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */
306 static const char * const mips_cp0_names_sb1[32] =
308 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
309 "c0_context", "c0_pagemask", "c0_wired", "$7",
310 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
311 "c0_status", "c0_cause", "c0_epc", "c0_prid",
312 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
313 "c0_xcontext", "$21", "$22", "c0_debug",
314 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i",
315 "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave",
318 static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] =
320 { 16, 1, "c0_config1" },
321 { 18, 1, "c0_watchlo,1" },
322 { 19, 1, "c0_watchhi,1" },
323 { 22, 0, "c0_perftrace" },
324 { 23, 3, "c0_edebug" },
325 { 25, 1, "c0_perfcnt,1" },
326 { 25, 2, "c0_perfcnt,2" },
327 { 25, 3, "c0_perfcnt,3" },
328 { 25, 4, "c0_perfcnt,4" },
329 { 25, 5, "c0_perfcnt,5" },
330 { 25, 6, "c0_perfcnt,6" },
331 { 25, 7, "c0_perfcnt,7" },
332 { 26, 1, "c0_buserr_pa" },
333 { 27, 1, "c0_cacheerr_d" },
334 { 27, 3, "c0_cacheerr_d_pa" },
335 { 28, 1, "c0_datalo_i" },
336 { 28, 2, "c0_taglo_d" },
337 { 28, 3, "c0_datalo_d" },
338 { 29, 1, "c0_datahi_i" },
339 { 29, 2, "c0_taghi_d" },
340 { 29, 3, "c0_datahi_d" },
343 /* Xlr cop0 register names. */
344 static const char * const mips_cp0_names_xlr[32] = {
345 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
346 "c0_context", "c0_pagemask", "c0_wired", "$7",
347 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
348 "c0_status", "c0_cause", "c0_epc", "c0_prid",
349 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
350 "c0_xcontext", "$21", "$22", "c0_debug",
351 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i",
352 "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave",
355 /* XLR's CP0 Select Registers. */
357 static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = {
358 { 9, 6, "c0_extintreq" },
359 { 9, 7, "c0_extintmask" },
360 { 15, 1, "c0_ebase" },
361 { 16, 1, "c0_config1" },
362 { 16, 2, "c0_config2" },
363 { 16, 3, "c0_config3" },
364 { 16, 7, "c0_procid2" },
365 { 18, 1, "c0_watchlo,1" },
366 { 18, 2, "c0_watchlo,2" },
367 { 18, 3, "c0_watchlo,3" },
368 { 18, 4, "c0_watchlo,4" },
369 { 18, 5, "c0_watchlo,5" },
370 { 18, 6, "c0_watchlo,6" },
371 { 18, 7, "c0_watchlo,7" },
372 { 19, 1, "c0_watchhi,1" },
373 { 19, 2, "c0_watchhi,2" },
374 { 19, 3, "c0_watchhi,3" },
375 { 19, 4, "c0_watchhi,4" },
376 { 19, 5, "c0_watchhi,5" },
377 { 19, 6, "c0_watchhi,6" },
378 { 19, 7, "c0_watchhi,7" },
379 { 25, 1, "c0_perfcnt,1" },
380 { 25, 2, "c0_perfcnt,2" },
381 { 25, 3, "c0_perfcnt,3" },
382 { 25, 4, "c0_perfcnt,4" },
383 { 25, 5, "c0_perfcnt,5" },
384 { 25, 6, "c0_perfcnt,6" },
385 { 25, 7, "c0_perfcnt,7" },
386 { 27, 1, "c0_cacheerr,1" },
387 { 27, 2, "c0_cacheerr,2" },
388 { 27, 3, "c0_cacheerr,3" },
389 { 28, 1, "c0_datalo" },
390 { 29, 1, "c0_datahi" }
393 static const char * const mips_hwr_names_numeric[32] =
395 "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
396 "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
397 "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
398 "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
401 static const char * const mips_hwr_names_mips3264r2[32] =
403 "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres",
404 "$4", "$5", "$6", "$7",
405 "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
406 "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
407 "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
410 static const char * const msa_control_names[32] =
412 "msa_ir", "msa_csr", "msa_access", "msa_save",
413 "msa_modify", "msa_request", "msa_map", "msa_unmap",
414 "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
415 "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
416 "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
419 struct mips_abi_choice
422 const char * const *gpr_names;
423 const char * const *fpr_names;
426 struct mips_abi_choice mips_abi_choices[] =
428 { "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric },
429 { "32", mips_gpr_names_oldabi, mips_fpr_names_32 },
430 { "n32", mips_gpr_names_newabi, mips_fpr_names_n32 },
431 { "64", mips_gpr_names_newabi, mips_fpr_names_64 },
434 struct mips_arch_choice
438 unsigned long bfd_mach;
442 const char * const *cp0_names;
443 const struct mips_cp0sel_name *cp0sel_names;
444 unsigned int cp0sel_names_len;
445 const char * const *cp1_names;
446 const char * const *hwr_names;
449 const struct mips_arch_choice mips_arch_choices[] =
451 { "numeric", 0, 0, 0, 0, 0,
452 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
453 mips_hwr_names_numeric },
455 { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, 0,
456 mips_cp0_names_r3000, NULL, 0, mips_cp1_names_numeric,
457 mips_hwr_names_numeric },
458 { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, 0,
459 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
460 mips_hwr_names_numeric },
461 { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, 0,
462 mips_cp0_names_r4000, NULL, 0, mips_cp1_names_numeric,
463 mips_hwr_names_numeric },
464 { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, 0,
465 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
466 mips_hwr_names_numeric },
467 { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, 0,
468 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
469 mips_hwr_names_numeric },
470 { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, 0,
471 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
472 mips_hwr_names_numeric },
473 { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, 0,
474 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
475 mips_hwr_names_numeric },
476 { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, 0,
477 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
478 mips_hwr_names_numeric },
479 { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, 0,
480 mips_cp0_names_r4000, NULL, 0, mips_cp1_names_numeric,
481 mips_hwr_names_numeric },
482 { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, 0,
483 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
484 mips_hwr_names_numeric },
485 { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, 0,
486 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
487 mips_hwr_names_numeric },
488 { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, 0,
489 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
490 mips_hwr_names_numeric },
491 { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, 0,
492 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
493 mips_hwr_names_numeric },
494 { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, 0,
495 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
496 mips_hwr_names_numeric },
497 { "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, 0,
498 mips_cp0_names_r5900, NULL, 0, mips_cp1_names_numeric,
499 mips_hwr_names_numeric },
500 { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, 0,
501 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
502 mips_hwr_names_numeric },
503 { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0,
504 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
505 mips_hwr_names_numeric },
506 { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0,
507 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
508 mips_hwr_names_numeric },
509 { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, 0,
510 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
511 mips_hwr_names_numeric },
512 { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, 0,
513 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
514 mips_hwr_names_numeric },
515 { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, 0,
516 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
517 mips_hwr_names_numeric },
518 { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, 0,
519 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
520 mips_hwr_names_numeric },
521 { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, 0,
522 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
523 mips_hwr_names_numeric },
524 { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, 0,
525 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
526 mips_hwr_names_numeric },
528 /* For stock MIPS32, disassemble all applicable MIPS-specified ASEs.
529 Note that MIPS-3D and MDMX are not applicable to MIPS32. (See
530 _MIPS32 Architecture For Programmers Volume I: Introduction to the
531 MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95),
533 { "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32,
534 ISA_MIPS32, ASE_SMARTMIPS,
535 mips_cp0_names_mips3264,
536 mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
537 mips_cp1_names_mips3264, mips_hwr_names_numeric },
539 { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2,
541 (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
542 | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
543 mips_cp0_names_mips3264r2,
544 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
545 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
547 { "mips32r3", 1, bfd_mach_mipsisa32r3, CPU_MIPS32R3,
549 (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
550 | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
551 mips_cp0_names_mips3264r2,
552 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
553 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
555 { "mips32r5", 1, bfd_mach_mipsisa32r5, CPU_MIPS32R5,
557 (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D
558 | ASE_MT | ASE_MCU | ASE_VIRT | ASE_MSA | ASE_XPA),
559 mips_cp0_names_mips3264r2,
560 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
561 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
563 { "mips32r6", 1, bfd_mach_mipsisa32r6, CPU_MIPS32R6,
565 (ASE_EVA | ASE_MSA | ASE_VIRT | ASE_XPA | ASE_MCU | ASE_MT | ASE_DSP
566 | ASE_DSPR2 | ASE_DSPR3),
567 mips_cp0_names_mips3264r2,
568 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
569 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
571 /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */
572 { "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64,
573 ISA_MIPS64, ASE_MIPS3D | ASE_MDMX,
574 mips_cp0_names_mips3264,
575 mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
576 mips_cp1_names_mips3264, mips_hwr_names_numeric },
578 { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2,
580 (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
581 | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
582 mips_cp0_names_mips3264r2,
583 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
584 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
586 { "mips64r3", 1, bfd_mach_mipsisa64r3, CPU_MIPS64R3,
588 (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
589 | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
590 mips_cp0_names_mips3264r2,
591 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
592 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
594 { "mips64r5", 1, bfd_mach_mipsisa64r5, CPU_MIPS64R5,
596 (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT
597 | ASE_MCU | ASE_VIRT | ASE_VIRT64 | ASE_MSA | ASE_MSA64 | ASE_XPA),
598 mips_cp0_names_mips3264r2,
599 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
600 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
602 { "mips64r6", 1, bfd_mach_mipsisa64r6, CPU_MIPS64R6,
604 (ASE_EVA | ASE_MSA | ASE_MSA64 | ASE_XPA | ASE_VIRT | ASE_VIRT64
605 | ASE_MCU | ASE_MT | ASE_DSP | ASE_DSPR2 | ASE_DSPR3),
606 mips_cp0_names_mips3264r2,
607 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
608 mips_cp1_names_mips3264, mips_hwr_names_mips3264r2 },
610 { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1,
611 ISA_MIPS64 | INSN_SB1, ASE_MIPS3D,
613 mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1),
614 mips_cp1_names_mips3264, mips_hwr_names_numeric },
616 { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E,
617 ISA_MIPS3 | INSN_LOONGSON_2E, 0, mips_cp0_names_numeric,
618 NULL, 0, mips_cp1_names_numeric, mips_hwr_names_numeric },
620 { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F,
621 ISA_MIPS3 | INSN_LOONGSON_2F, 0, mips_cp0_names_numeric,
622 NULL, 0, mips_cp1_names_numeric, mips_hwr_names_numeric },
624 { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A,
625 ISA_MIPS64R2 | INSN_LOONGSON_3A, 0, mips_cp0_names_numeric,
626 NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
628 { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON,
629 ISA_MIPS64R2 | INSN_OCTEON, 0, mips_cp0_names_numeric, NULL, 0,
630 mips_cp1_names_mips3264, mips_hwr_names_numeric },
632 { "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP,
633 ISA_MIPS64R2 | INSN_OCTEONP, 0, mips_cp0_names_numeric,
634 NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
636 { "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2,
637 ISA_MIPS64R2 | INSN_OCTEON2, 0, mips_cp0_names_numeric,
638 NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
640 { "octeon3", 1, bfd_mach_mips_octeon3, CPU_OCTEON3,
641 ISA_MIPS64R5 | INSN_OCTEON3, ASE_VIRT | ASE_VIRT64,
642 mips_cp0_names_numeric,
643 NULL, 0, mips_cp1_names_mips3264, mips_hwr_names_numeric },
645 { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR,
646 ISA_MIPS64 | INSN_XLR, 0,
648 mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
649 mips_cp1_names_mips3264, mips_hwr_names_numeric },
651 /* XLP is mostly like XLR, with the prominent exception it is being
653 { "xlp", 1, bfd_mach_mips_xlr, CPU_XLR,
654 ISA_MIPS64R2 | INSN_XLR, 0,
656 mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
657 mips_cp1_names_mips3264, mips_hwr_names_numeric },
659 /* This entry, mips16, is here only for ISA/processor selection; do
660 not print its name. */
661 { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS64, 0,
662 mips_cp0_names_numeric, NULL, 0, mips_cp1_names_numeric,
663 mips_hwr_names_numeric },
666 /* ISA and processor type to disassemble for, and register names to use.
667 set_default_mips_dis_options and parse_mips_dis_options fill in these
669 static int mips_processor;
672 static int micromips_ase;
673 static const char * const *mips_gpr_names;
674 static const char * const *mips_fpr_names;
675 static const char * const *mips_cp0_names;
676 static const struct mips_cp0sel_name *mips_cp0sel_names;
677 static int mips_cp0sel_names_len;
678 static const char * const *mips_cp1_names;
679 static const char * const *mips_hwr_names;
682 static int no_aliases; /* If set disassemble as most general inst. */
684 static const struct mips_abi_choice *
685 choose_abi_by_name (const char *name, unsigned int namelen)
687 const struct mips_abi_choice *c;
690 for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++)
691 if (strncmp (mips_abi_choices[i].name, name, namelen) == 0
692 && strlen (mips_abi_choices[i].name) == namelen)
693 c = &mips_abi_choices[i];
698 static const struct mips_arch_choice *
699 choose_arch_by_name (const char *name, unsigned int namelen)
701 const struct mips_arch_choice *c = NULL;
704 for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++)
705 if (strncmp (mips_arch_choices[i].name, name, namelen) == 0
706 && strlen (mips_arch_choices[i].name) == namelen)
707 c = &mips_arch_choices[i];
712 static const struct mips_arch_choice *
713 choose_arch_by_number (unsigned long mach)
715 static unsigned long hint_bfd_mach;
716 static const struct mips_arch_choice *hint_arch_choice;
717 const struct mips_arch_choice *c;
720 /* We optimize this because even if the user specifies no
721 flags, this will be done for every instruction! */
722 if (hint_bfd_mach == mach
723 && hint_arch_choice != NULL
724 && hint_arch_choice->bfd_mach == hint_bfd_mach)
725 return hint_arch_choice;
727 for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++)
729 if (mips_arch_choices[i].bfd_mach_valid
730 && mips_arch_choices[i].bfd_mach == mach)
732 c = &mips_arch_choices[i];
733 hint_bfd_mach = mach;
734 hint_arch_choice = c;
740 /* Check if the object uses NewABI conventions. */
743 is_newabi (Elf_Internal_Ehdr *header)
745 /* There are no old-style ABIs which use 64-bit ELF. */
746 if (header->e_ident[EI_CLASS] == ELFCLASS64)
749 /* If a 32-bit ELF file, n32 is a new-style ABI. */
750 if ((header->e_flags & EF_MIPS_ABI2) != 0)
756 /* Check if the object has microMIPS ASE code. */
759 is_micromips (Elf_Internal_Ehdr *header)
761 if ((header->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0)
767 /* Convert ASE flags from .MIPS.abiflags to internal values. */
770 mips_convert_abiflags_ases (unsigned long afl_ases)
772 unsigned long opcode_ases = 0;
774 if (afl_ases & AFL_ASE_DSP)
775 opcode_ases |= ASE_DSP;
776 if (afl_ases & AFL_ASE_DSPR2)
777 opcode_ases |= ASE_DSPR2;
778 if (afl_ases & AFL_ASE_EVA)
779 opcode_ases |= ASE_EVA;
780 if (afl_ases & AFL_ASE_MCU)
781 opcode_ases |= ASE_MCU;
782 if (afl_ases & AFL_ASE_MDMX)
783 opcode_ases |= ASE_MDMX;
784 if (afl_ases & AFL_ASE_MIPS3D)
785 opcode_ases |= ASE_MIPS3D;
786 if (afl_ases & AFL_ASE_MT)
787 opcode_ases |= ASE_MT;
788 if (afl_ases & AFL_ASE_SMARTMIPS)
789 opcode_ases |= ASE_SMARTMIPS;
790 if (afl_ases & AFL_ASE_VIRT)
791 opcode_ases |= ASE_VIRT;
792 if (afl_ases & AFL_ASE_MSA)
793 opcode_ases |= ASE_MSA;
794 if (afl_ases & AFL_ASE_XPA)
795 opcode_ases |= ASE_XPA;
796 if (afl_ases & AFL_ASE_DSPR3)
797 opcode_ases |= ASE_DSPR3;
802 set_default_mips_dis_options (struct disassemble_info *info)
804 const struct mips_arch_choice *chosen_arch;
806 /* Defaults: mipsIII/r3000 (?!), no microMIPS ASE (any compressed code
807 is MIPS16 ASE) (o)32-style ("oldabi") GPR names, and numeric FPR,
808 CP0 register, and HWR names. */
809 mips_isa = ISA_MIPS3;
810 mips_processor = CPU_R3000;
813 mips_gpr_names = mips_gpr_names_oldabi;
814 mips_fpr_names = mips_fpr_names_numeric;
815 mips_cp0_names = mips_cp0_names_numeric;
816 mips_cp0sel_names = NULL;
817 mips_cp0sel_names_len = 0;
818 mips_cp1_names = mips_cp1_names_numeric;
819 mips_hwr_names = mips_hwr_names_numeric;
822 /* Set ISA, architecture, and cp0 register names as best we can. */
823 #if ! SYMTAB_AVAILABLE
824 /* This is running out on a target machine, not in a host tool.
825 FIXME: Where does mips_target_info come from? */
826 target_processor = mips_target_info.processor;
827 mips_isa = mips_target_info.isa;
828 mips_ase = mips_target_info.ase;
830 chosen_arch = choose_arch_by_number (info->mach);
831 if (chosen_arch != NULL)
833 mips_processor = chosen_arch->processor;
834 mips_isa = chosen_arch->isa;
835 mips_ase = chosen_arch->ase;
836 mips_cp0_names = chosen_arch->cp0_names;
837 mips_cp0sel_names = chosen_arch->cp0sel_names;
838 mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
839 mips_cp1_names = chosen_arch->cp1_names;
840 mips_hwr_names = chosen_arch->hwr_names;
843 /* Update settings according to the ELF file header flags. */
844 if (info->flavour == bfd_target_elf_flavour && info->section != NULL)
846 struct bfd *abfd = info->section->owner;
847 Elf_Internal_Ehdr *header = elf_elfheader (abfd);
848 Elf_Internal_ABIFlags_v0 *abiflags = NULL;
850 /* We won't ever get here if !HAVE_BFD_MIPS_ELF_GET_ABIFLAGS,
851 because we won't then have a MIPS/ELF BFD, however we need
852 to guard against a link error in a `--enable-targets=...'
853 configuration with a 32-bit host where the MIPS target is
854 a secondary, or with MIPS/ECOFF configurations. */
855 #ifdef HAVE_BFD_MIPS_ELF_GET_ABIFLAGS
856 abiflags = bfd_mips_elf_get_abiflags (abfd);
858 /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */
859 if (is_newabi (header))
860 mips_gpr_names = mips_gpr_names_newabi;
861 /* If a microMIPS binary, then don't use MIPS16 bindings. */
862 micromips_ase = is_micromips (header);
863 /* OR in any extra ASE flags set in ELF file structures. */
865 mips_ase |= mips_convert_abiflags_ases (abiflags->ases);
866 else if (header->e_flags & EF_MIPS_ARCH_ASE_MDMX)
867 mips_ase |= ASE_MDMX;
873 parse_mips_dis_option (const char *option, unsigned int len)
875 unsigned int i, optionlen, vallen;
877 const struct mips_abi_choice *chosen_abi;
878 const struct mips_arch_choice *chosen_arch;
880 /* Try to match options that are simple flags */
881 if (CONST_STRNEQ (option, "no-aliases"))
887 if (CONST_STRNEQ (option, "msa"))
890 if ((mips_isa & INSN_ISA_MASK) == ISA_MIPS64R2
891 || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R3
892 || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R5
893 || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6)
894 mips_ase |= ASE_MSA64;
898 if (CONST_STRNEQ (option, "virt"))
900 mips_ase |= ASE_VIRT;
901 if (mips_isa & ISA_MIPS64R2
902 || mips_isa & ISA_MIPS64R3
903 || mips_isa & ISA_MIPS64R5
904 || mips_isa & ISA_MIPS64R6)
905 mips_ase |= ASE_VIRT64;
909 if (CONST_STRNEQ (option, "xpa"))
916 /* Look for the = that delimits the end of the option name. */
917 for (i = 0; i < len; i++)
918 if (option[i] == '=')
921 if (i == 0) /* Invalid option: no name before '='. */
923 if (i == len) /* Invalid option: no '='. */
925 if (i == (len - 1)) /* Invalid option: no value after '='. */
929 val = option + (optionlen + 1);
930 vallen = len - (optionlen + 1);
932 if (strncmp ("gpr-names", option, optionlen) == 0
933 && strlen ("gpr-names") == optionlen)
935 chosen_abi = choose_abi_by_name (val, vallen);
936 if (chosen_abi != NULL)
937 mips_gpr_names = chosen_abi->gpr_names;
941 if (strncmp ("fpr-names", option, optionlen) == 0
942 && strlen ("fpr-names") == optionlen)
944 chosen_abi = choose_abi_by_name (val, vallen);
945 if (chosen_abi != NULL)
946 mips_fpr_names = chosen_abi->fpr_names;
950 if (strncmp ("cp0-names", option, optionlen) == 0
951 && strlen ("cp0-names") == optionlen)
953 chosen_arch = choose_arch_by_name (val, vallen);
954 if (chosen_arch != NULL)
956 mips_cp0_names = chosen_arch->cp0_names;
957 mips_cp0sel_names = chosen_arch->cp0sel_names;
958 mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
963 if (strncmp ("cp1-names", option, optionlen) == 0
964 && strlen ("cp1-names") == optionlen)
966 chosen_arch = choose_arch_by_name (val, vallen);
967 if (chosen_arch != NULL)
968 mips_cp1_names = chosen_arch->cp1_names;
972 if (strncmp ("hwr-names", option, optionlen) == 0
973 && strlen ("hwr-names") == optionlen)
975 chosen_arch = choose_arch_by_name (val, vallen);
976 if (chosen_arch != NULL)
977 mips_hwr_names = chosen_arch->hwr_names;
981 if (strncmp ("reg-names", option, optionlen) == 0
982 && strlen ("reg-names") == optionlen)
984 /* We check both ABI and ARCH here unconditionally, so
985 that "numeric" will do the desirable thing: select
986 numeric register names for all registers. Other than
987 that, a given name probably won't match both. */
988 chosen_abi = choose_abi_by_name (val, vallen);
989 if (chosen_abi != NULL)
991 mips_gpr_names = chosen_abi->gpr_names;
992 mips_fpr_names = chosen_abi->fpr_names;
994 chosen_arch = choose_arch_by_name (val, vallen);
995 if (chosen_arch != NULL)
997 mips_cp0_names = chosen_arch->cp0_names;
998 mips_cp0sel_names = chosen_arch->cp0sel_names;
999 mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
1000 mips_cp1_names = chosen_arch->cp1_names;
1001 mips_hwr_names = chosen_arch->hwr_names;
1006 /* Invalid option. */
1010 parse_mips_dis_options (const char *options)
1012 const char *option_end;
1014 if (options == NULL)
1017 while (*options != '\0')
1019 /* Skip empty options. */
1020 if (*options == ',')
1026 /* We know that *options is neither NUL or a comma. */
1027 option_end = options + 1;
1028 while (*option_end != ',' && *option_end != '\0')
1031 parse_mips_dis_option (options, option_end - options);
1033 /* Go on to the next one. If option_end points to a comma, it
1034 will be skipped above. */
1035 options = option_end;
1039 static const struct mips_cp0sel_name *
1040 lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names,
1042 unsigned int cp0reg,
1047 for (i = 0; i < len; i++)
1048 if (names[i].cp0reg == cp0reg && names[i].sel == sel)
1053 /* Print register REGNO, of type TYPE, for instruction OPCODE. */
1056 print_reg (struct disassemble_info *info, const struct mips_opcode *opcode,
1057 enum mips_reg_operand_type type, int regno)
1062 info->fprintf_func (info->stream, "%s", mips_gpr_names[regno]);
1066 info->fprintf_func (info->stream, "%s", mips_fpr_names[regno]);
1070 if (opcode->pinfo & (FP_D | FP_S))
1071 info->fprintf_func (info->stream, "$fcc%d", regno);
1073 info->fprintf_func (info->stream, "$cc%d", regno);
1077 if (opcode->membership & INSN_5400)
1078 info->fprintf_func (info->stream, "$f%d", regno);
1080 info->fprintf_func (info->stream, "$v%d", regno);
1084 info->fprintf_func (info->stream, "$ac%d", regno);
1088 if (opcode->name[strlen (opcode->name) - 1] == '0')
1089 info->fprintf_func (info->stream, "%s", mips_cp0_names[regno]);
1090 else if (opcode->name[strlen (opcode->name) - 1] == '1')
1091 info->fprintf_func (info->stream, "%s", mips_cp1_names[regno]);
1093 info->fprintf_func (info->stream, "$%d", regno);
1097 info->fprintf_func (info->stream, "%s", mips_hwr_names[regno]);
1101 info->fprintf_func (info->stream, "$vf%d", regno);
1105 info->fprintf_func (info->stream, "$vi%d", regno);
1108 case OP_REG_R5900_I:
1109 info->fprintf_func (info->stream, "$I");
1112 case OP_REG_R5900_Q:
1113 info->fprintf_func (info->stream, "$Q");
1116 case OP_REG_R5900_R:
1117 info->fprintf_func (info->stream, "$R");
1120 case OP_REG_R5900_ACC:
1121 info->fprintf_func (info->stream, "$ACC");
1125 info->fprintf_func (info->stream, "$w%d", regno);
1128 case OP_REG_MSA_CTRL:
1129 info->fprintf_func (info->stream, "%s", msa_control_names[regno]);
1135 /* Used to track the state carried over from previous operands in
1137 struct mips_print_arg_state {
1138 /* The value of the last OP_INT seen. We only use this for OP_MSB,
1139 where the value is known to be unsigned and small. */
1140 unsigned int last_int;
1142 /* The type and number of the last OP_REG seen. We only use this for
1143 OP_REPEAT_DEST_REG and OP_REPEAT_PREV_REG. */
1144 enum mips_reg_operand_type last_reg_type;
1145 unsigned int last_regno;
1146 unsigned int dest_regno;
1147 unsigned int seen_dest;
1150 /* Initialize STATE for the start of an instruction. */
1153 init_print_arg_state (struct mips_print_arg_state *state)
1155 memset (state, 0, sizeof (*state));
1158 /* Print OP_VU0_SUFFIX or OP_VU0_MATCH_SUFFIX operand OPERAND,
1159 whose value is given by UVAL. */
1162 print_vu0_channel (struct disassemble_info *info,
1163 const struct mips_operand *operand, unsigned int uval)
1165 if (operand->size == 4)
1166 info->fprintf_func (info->stream, "%s%s%s%s",
1167 uval & 8 ? "x" : "",
1168 uval & 4 ? "y" : "",
1169 uval & 2 ? "z" : "",
1170 uval & 1 ? "w" : "");
1171 else if (operand->size == 2)
1172 info->fprintf_func (info->stream, "%c", "xyzw"[uval]);
1177 /* Record information about a register operand. */
1180 mips_seen_register (struct mips_print_arg_state *state,
1182 enum mips_reg_operand_type reg_type)
1184 state->last_reg_type = reg_type;
1185 state->last_regno = regno;
1187 if (!state->seen_dest)
1189 state->seen_dest = 1;
1190 state->dest_regno = regno;
1194 /* Print operand OPERAND of OPCODE, using STATE to track inter-operand state.
1195 UVAL is the encoding of the operand (shifted into bit 0) and BASE_PC is
1196 the base address for OP_PCREL operands. */
1199 print_insn_arg (struct disassemble_info *info,
1200 struct mips_print_arg_state *state,
1201 const struct mips_opcode *opcode,
1202 const struct mips_operand *operand,
1206 const fprintf_ftype infprintf = info->fprintf_func;
1207 void *is = info->stream;
1209 switch (operand->type)
1213 const struct mips_int_operand *int_op;
1215 int_op = (const struct mips_int_operand *) operand;
1216 uval = mips_decode_int_operand (int_op, uval);
1217 state->last_int = uval;
1218 if (int_op->print_hex)
1219 infprintf (is, "0x%x", uval);
1221 infprintf (is, "%d", uval);
1227 const struct mips_mapped_int_operand *mint_op;
1229 mint_op = (const struct mips_mapped_int_operand *) operand;
1230 uval = mint_op->int_map[uval];
1231 state->last_int = uval;
1232 if (mint_op->print_hex)
1233 infprintf (is, "0x%x", uval);
1235 infprintf (is, "%d", uval);
1241 const struct mips_msb_operand *msb_op;
1243 msb_op = (const struct mips_msb_operand *) operand;
1244 uval += msb_op->bias;
1245 if (msb_op->add_lsb)
1246 uval -= state->last_int;
1247 infprintf (is, "0x%x", uval);
1252 case OP_OPTIONAL_REG:
1254 const struct mips_reg_operand *reg_op;
1256 reg_op = (const struct mips_reg_operand *) operand;
1257 uval = mips_decode_reg_operand (reg_op, uval);
1258 print_reg (info, opcode, reg_op->reg_type, uval);
1260 mips_seen_register (state, uval, reg_op->reg_type);
1266 const struct mips_reg_pair_operand *pair_op;
1268 pair_op = (const struct mips_reg_pair_operand *) operand;
1269 print_reg (info, opcode, pair_op->reg_type,
1270 pair_op->reg1_map[uval]);
1271 infprintf (is, ",");
1272 print_reg (info, opcode, pair_op->reg_type,
1273 pair_op->reg2_map[uval]);
1279 const struct mips_pcrel_operand *pcrel_op;
1281 pcrel_op = (const struct mips_pcrel_operand *) operand;
1282 info->target = mips_decode_pcrel_operand (pcrel_op, base_pc, uval);
1284 /* Preserve the ISA bit for the GDB disassembler,
1285 otherwise clear it. */
1286 if (info->flavour != bfd_target_unknown_flavour)
1289 (*info->print_address_func) (info->target, info);
1294 infprintf (is, "%d", uval);
1297 case OP_ADDIUSP_INT:
1301 sval = mips_signed_operand (operand, uval) * 4;
1302 if (sval >= -8 && sval < 8)
1304 infprintf (is, "%d", sval);
1308 case OP_CLO_CLZ_DEST:
1310 unsigned int reg1, reg2;
1314 /* If one is zero use the other. */
1315 if (reg1 == reg2 || reg2 == 0)
1316 infprintf (is, "%s", mips_gpr_names[reg1]);
1318 infprintf (is, "%s", mips_gpr_names[reg2]);
1320 /* Bogus, result depends on processor. */
1321 infprintf (is, "%s or %s", mips_gpr_names[reg1],
1322 mips_gpr_names[reg2]);
1328 case OP_NON_ZERO_REG:
1330 print_reg (info, opcode, OP_REG_GP, uval & 31);
1331 mips_seen_register (state, uval, OP_REG_GP);
1335 case OP_LWM_SWM_LIST:
1336 if (operand->size == 2)
1339 infprintf (is, "%s,%s",
1341 mips_gpr_names[31]);
1343 infprintf (is, "%s-%s,%s",
1345 mips_gpr_names[16 + uval],
1346 mips_gpr_names[31]);
1352 s_reg_encode = uval & 0xf;
1353 if (s_reg_encode != 0)
1355 if (s_reg_encode == 1)
1356 infprintf (is, "%s", mips_gpr_names[16]);
1357 else if (s_reg_encode < 9)
1358 infprintf (is, "%s-%s",
1360 mips_gpr_names[15 + s_reg_encode]);
1361 else if (s_reg_encode == 9)
1362 infprintf (is, "%s-%s,%s",
1365 mips_gpr_names[30]);
1367 infprintf (is, "UNKNOWN");
1370 if (uval & 0x10) /* For ra. */
1372 if (s_reg_encode == 0)
1373 infprintf (is, "%s", mips_gpr_names[31]);
1375 infprintf (is, ",%s", mips_gpr_names[31]);
1380 case OP_ENTRY_EXIT_LIST:
1383 unsigned int amask, smask;
1386 amask = (uval >> 3) & 7;
1387 if (amask > 0 && amask < 5)
1389 infprintf (is, "%s", mips_gpr_names[4]);
1391 infprintf (is, "-%s", mips_gpr_names[amask + 3]);
1395 smask = (uval >> 1) & 3;
1398 infprintf (is, "%s??", sep);
1403 infprintf (is, "%s%s", sep, mips_gpr_names[16]);
1405 infprintf (is, "-%s", mips_gpr_names[smask + 15]);
1411 infprintf (is, "%s%s", sep, mips_gpr_names[31]);
1415 if (amask == 5 || amask == 6)
1417 infprintf (is, "%s%s", sep, mips_fpr_names[0]);
1419 infprintf (is, "-%s", mips_fpr_names[1]);
1424 case OP_SAVE_RESTORE_LIST:
1425 /* Should be handled by the caller due to extend behavior. */
1428 case OP_MDMX_IMM_REG:
1434 if ((vsel & 0x10) == 0)
1439 for (fmt = 0; fmt < 3; fmt++, vsel >>= 1)
1440 if ((vsel & 1) == 0)
1442 print_reg (info, opcode, OP_REG_VEC, uval);
1443 infprintf (is, "[%d]", vsel >> 1);
1445 else if ((vsel & 0x08) == 0)
1446 print_reg (info, opcode, OP_REG_VEC, uval);
1448 infprintf (is, "0x%x", uval);
1452 case OP_REPEAT_PREV_REG:
1453 print_reg (info, opcode, state->last_reg_type, state->last_regno);
1456 case OP_REPEAT_DEST_REG:
1457 print_reg (info, opcode, state->last_reg_type, state->dest_regno);
1461 infprintf (is, "$pc");
1465 case OP_VU0_MATCH_SUFFIX:
1466 print_vu0_channel (info, operand, uval);
1470 infprintf (is, "[%d]", uval);
1474 infprintf (is, "[");
1475 print_reg (info, opcode, OP_REG_GP, uval);
1476 infprintf (is, "]");
1481 /* Validate the arguments for INSN, which is described by OPCODE.
1482 Use DECODE_OPERAND to get the encoding of each operand. */
1485 validate_insn_args (const struct mips_opcode *opcode,
1486 const struct mips_operand *(*decode_operand) (const char *),
1489 struct mips_print_arg_state state;
1490 const struct mips_operand *operand;
1494 init_print_arg_state (&state);
1495 for (s = opcode->args; *s; ++s)
1509 operand = decode_operand (s);
1513 uval = mips_extract_operand (operand, insn);
1514 switch (operand->type)
1517 case OP_OPTIONAL_REG:
1519 const struct mips_reg_operand *reg_op;
1521 reg_op = (const struct mips_reg_operand *) operand;
1522 uval = mips_decode_reg_operand (reg_op, uval);
1523 mips_seen_register (&state, uval, reg_op->reg_type);
1529 unsigned int reg1, reg2;
1534 if (reg1 != reg2 || reg1 == 0)
1541 const struct mips_check_prev_operand *prev_op;
1543 prev_op = (const struct mips_check_prev_operand *) operand;
1545 if (!prev_op->zero_ok && uval == 0)
1548 if (((prev_op->less_than_ok && uval < state.last_regno)
1549 || (prev_op->greater_than_ok && uval > state.last_regno)
1550 || (prev_op->equal_ok && uval == state.last_regno)))
1556 case OP_NON_ZERO_REG:
1569 case OP_ADDIUSP_INT:
1570 case OP_CLO_CLZ_DEST:
1571 case OP_LWM_SWM_LIST:
1572 case OP_ENTRY_EXIT_LIST:
1573 case OP_MDMX_IMM_REG:
1574 case OP_REPEAT_PREV_REG:
1575 case OP_REPEAT_DEST_REG:
1578 case OP_VU0_MATCH_SUFFIX:
1583 case OP_SAVE_RESTORE_LIST:
1584 /* Should be handled by the caller due to extend behavior. */
1588 if (*s == 'm' || *s == '+' || *s == '-')
1595 /* Print the arguments for INSN, which is described by OPCODE.
1596 Use DECODE_OPERAND to get the encoding of each operand. Use BASE_PC
1597 as the base of OP_PCREL operands, adjusting by LENGTH if the OP_PCREL
1598 operand is for a branch or jump. */
1601 print_insn_args (struct disassemble_info *info,
1602 const struct mips_opcode *opcode,
1603 const struct mips_operand *(*decode_operand) (const char *),
1604 unsigned int insn, bfd_vma insn_pc, unsigned int length)
1606 const fprintf_ftype infprintf = info->fprintf_func;
1607 void *is = info->stream;
1608 struct mips_print_arg_state state;
1609 const struct mips_operand *operand;
1612 init_print_arg_state (&state);
1613 for (s = opcode->args; *s; ++s)
1620 infprintf (is, "%c", *s);
1625 infprintf (is, "%c%c", *s, *s);
1629 operand = decode_operand (s);
1632 /* xgettext:c-format */
1634 _("# internal error, undefined operand in `%s %s'"),
1635 opcode->name, opcode->args);
1638 if (operand->type == OP_REG
1641 && opcode->name[strlen (opcode->name) - 1] == '0')
1643 /* Coprocessor register 0 with sel field (MT ASE). */
1644 const struct mips_cp0sel_name *n;
1645 unsigned int reg, sel;
1647 reg = mips_extract_operand (operand, insn);
1649 operand = decode_operand (s);
1650 sel = mips_extract_operand (operand, insn);
1652 /* CP0 register including 'sel' code for mftc0, to be
1653 printed textually if known. If not known, print both
1654 CP0 register name and sel numerically since CP0 register
1655 with sel 0 may have a name unrelated to register being
1657 n = lookup_mips_cp0sel_name (mips_cp0sel_names,
1658 mips_cp0sel_names_len,
1661 infprintf (is, "%s", n->name);
1663 infprintf (is, "$%d,%d", reg, sel);
1667 bfd_vma base_pc = insn_pc;
1669 /* Adjust the PC relative base so that branch/jump insns use
1670 the following PC as the base but genuinely PC relative
1671 operands use the current PC. */
1672 if (operand->type == OP_PCREL)
1674 const struct mips_pcrel_operand *pcrel_op;
1676 pcrel_op = (const struct mips_pcrel_operand *) operand;
1677 /* The include_isa_bit flag is sufficient to distinguish
1678 branch/jump from other PC relative operands. */
1679 if (pcrel_op->include_isa_bit)
1683 print_insn_arg (info, &state, opcode, operand, base_pc,
1684 mips_extract_operand (operand, insn));
1686 if (*s == 'm' || *s == '+' || *s == '-')
1693 /* Print the mips instruction at address MEMADDR in debugged memory,
1694 on using INFO. Returns length of the instruction, in bytes, which is
1695 always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if
1696 this is little-endian code. */
1699 print_insn_mips (bfd_vma memaddr,
1701 struct disassemble_info *info)
1703 #define GET_OP(insn, field) \
1704 (((insn) >> OP_SH_##field) & OP_MASK_##field)
1705 static const struct mips_opcode *mips_hash[OP_MASK_OP + 1];
1706 const fprintf_ftype infprintf = info->fprintf_func;
1707 const struct mips_opcode *op;
1708 static bfd_boolean init = 0;
1709 void *is = info->stream;
1711 /* Build a hash table to shorten the search time. */
1716 for (i = 0; i <= OP_MASK_OP; i++)
1718 for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++)
1720 if (op->pinfo == INSN_MACRO
1721 || (no_aliases && (op->pinfo2 & INSN2_ALIAS)))
1723 if (i == GET_OP (op->match, OP))
1734 info->bytes_per_chunk = INSNLEN;
1735 info->display_endian = info->endian;
1736 info->insn_info_valid = 1;
1737 info->branch_delay_insns = 0;
1738 info->data_size = 0;
1739 info->insn_type = dis_nonbranch;
1743 op = mips_hash[GET_OP (word, OP)];
1746 for (; op < &mips_opcodes[NUMOPCODES]; op++)
1748 if (op->pinfo != INSN_MACRO
1749 && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
1750 && (word & op->mask) == op->match)
1752 /* We always disassemble the jalx instruction, except for MIPS r6. */
1753 if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor)
1754 && (strcmp (op->name, "jalx")
1755 || (mips_isa & INSN_ISA_MASK) == ISA_MIPS32R6
1756 || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6))
1759 /* Figure out instruction type and branch delay information. */
1760 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
1762 if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
1763 info->insn_type = dis_jsr;
1765 info->insn_type = dis_branch;
1766 info->branch_delay_insns = 1;
1768 else if ((op->pinfo & (INSN_COND_BRANCH_DELAY
1769 | INSN_COND_BRANCH_LIKELY)) != 0)
1771 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
1772 info->insn_type = dis_condjsr;
1774 info->insn_type = dis_condbranch;
1775 info->branch_delay_insns = 1;
1777 else if ((op->pinfo & (INSN_STORE_MEMORY
1778 | INSN_LOAD_MEMORY)) != 0)
1779 info->insn_type = dis_dref;
1781 if (!validate_insn_args (op, decode_mips_operand, word))
1784 infprintf (is, "%s", op->name);
1785 if (op->pinfo2 & INSN2_VU0_CHANNEL_SUFFIX)
1789 infprintf (is, ".");
1790 uval = mips_extract_operand (&mips_vu0_channel_mask, word);
1791 print_vu0_channel (info, &mips_vu0_channel_mask, uval);
1796 infprintf (is, "\t");
1797 print_insn_args (info, op, decode_mips_operand, word,
1807 /* Handle undefined instructions. */
1808 info->insn_type = dis_noninsn;
1809 infprintf (is, "0x%x", word);
1813 /* Disassemble an operand for a mips16 instruction. */
1816 print_mips16_insn_arg (struct disassemble_info *info,
1817 struct mips_print_arg_state *state,
1818 const struct mips_opcode *opcode,
1819 char type, bfd_vma memaddr,
1820 unsigned insn, bfd_boolean use_extend,
1821 unsigned extend, bfd_boolean is_offset)
1823 const fprintf_ftype infprintf = info->fprintf_func;
1824 void *is = info->stream;
1825 const struct mips_operand *operand, *ext_operand;
1826 unsigned short ext_size;
1838 infprintf (is, "%c", type);
1842 operand = decode_mips16_operand (type, FALSE);
1845 /* xgettext:c-format */
1846 infprintf (is, _("# internal error, undefined operand in `%s %s'"),
1847 opcode->name, opcode->args);
1851 if (operand->type == OP_SAVE_RESTORE_LIST)
1853 /* Handle this case here because of the complex interaction
1854 with the EXTEND opcode. */
1855 unsigned int amask, nargs, nstatics, nsreg, smask, frame_size, i, j;
1858 amask = extend & 0xf;
1859 if (amask == MIPS16_ALL_ARGS)
1864 else if (amask == MIPS16_ALL_STATICS)
1872 nstatics = amask & 3;
1878 infprintf (is, "%s", mips_gpr_names[4]);
1880 infprintf (is, "-%s", mips_gpr_names[4 + nargs - 1]);
1884 frame_size = ((extend & 0xf0) | (insn & 0x0f)) * 8;
1885 if (frame_size == 0 && !use_extend)
1887 infprintf (is, "%s%d", sep, frame_size);
1889 if (insn & 0x40) /* $ra */
1890 infprintf (is, ",%s", mips_gpr_names[31]);
1892 nsreg = (extend >> 8) & 0x7;
1894 if (insn & 0x20) /* $s0 */
1896 if (insn & 0x10) /* $s1 */
1898 if (nsreg > 0) /* $s2-$s8 */
1899 smask |= ((1 << nsreg) - 1) << 2;
1901 for (i = 0; i < 9; i++)
1902 if (smask & (1 << i))
1904 infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]);
1905 /* Skip over string of set bits. */
1906 for (j = i; smask & (2 << j); j++)
1909 infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]);
1912 /* Statics $ax - $a3. */
1914 infprintf (is, ",%s", mips_gpr_names[7]);
1915 else if (nstatics > 0)
1916 infprintf (is, ",%s-%s",
1917 mips_gpr_names[7 - nstatics + 1],
1922 if (is_offset && operand->type == OP_INT)
1924 const struct mips_int_operand *int_op;
1926 int_op = (const struct mips_int_operand *) operand;
1927 info->insn_type = dis_dref;
1928 info->data_size = 1 << int_op->shift;
1934 ext_operand = decode_mips16_operand (type, TRUE);
1935 if (ext_operand != operand)
1937 ext_size = ext_operand->size;
1938 operand = ext_operand;
1941 if (operand->size == 26)
1942 uval = ((extend & 0x1f) << 21) | ((extend & 0x3e0) << 11) | insn;
1943 else if (ext_size == 16)
1944 uval = ((extend & 0x1f) << 11) | (extend & 0x7e0) | (insn & 0x1f);
1945 else if (ext_size == 15)
1946 uval = ((extend & 0xf) << 11) | (extend & 0x7f0) | (insn & 0xf);
1947 else if (ext_size == 6)
1948 uval = ((extend >> 6) & 0x1f) | (extend & 0x20);
1950 uval = mips_extract_operand (operand, (extend << 16) | insn);
1952 baseaddr = memaddr + 2;
1953 if (operand->type == OP_PCREL)
1955 const struct mips_pcrel_operand *pcrel_op;
1957 pcrel_op = (const struct mips_pcrel_operand *) operand;
1958 if (!pcrel_op->include_isa_bit && use_extend)
1959 baseaddr = memaddr - 2;
1960 else if (!pcrel_op->include_isa_bit)
1964 /* If this instruction is in the delay slot of a JAL/JALX
1965 instruction, the base address is the address of the
1966 JAL/JALX instruction. If it is in the delay slot of
1967 a JR/JALR instruction, the base address is the address
1968 of the JR/JALR instruction. This test is unreliable:
1969 we have no way of knowing whether the previous word is
1970 instruction or data. */
1971 if (info->read_memory_func (memaddr - 4, buffer, 2, info) == 0
1972 && (((info->endian == BFD_ENDIAN_BIG
1973 ? bfd_getb16 (buffer)
1974 : bfd_getl16 (buffer))
1975 & 0xf800) == 0x1800))
1976 baseaddr = memaddr - 4;
1977 else if (info->read_memory_func (memaddr - 2, buffer, 2,
1979 && (((info->endian == BFD_ENDIAN_BIG
1980 ? bfd_getb16 (buffer)
1981 : bfd_getl16 (buffer))
1982 & 0xf89f) == 0xe800)
1983 && (((info->endian == BFD_ENDIAN_BIG
1984 ? bfd_getb16 (buffer)
1985 : bfd_getl16 (buffer))
1986 & 0x0060) != 0x0060))
1987 baseaddr = memaddr - 2;
1993 print_insn_arg (info, state, opcode, operand, baseaddr + 1, uval);
1999 /* Check if the given address is the last word of a MIPS16 PLT entry.
2000 This word is data and depending on the value it may interfere with
2001 disassembly of further PLT entries. We make use of the fact PLT
2002 symbols are marked BSF_SYNTHETIC. */
2004 is_mips16_plt_tail (struct disassemble_info *info, bfd_vma addr)
2008 && (info->symbols[0]->flags & BSF_SYNTHETIC)
2009 && addr == bfd_asymbol_value (info->symbols[0]) + 12)
2015 /* Whether none, a 32-bit or a 16-bit instruction match has been done. */
2024 /* Disassemble mips16 instructions. */
2027 print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info)
2029 const fprintf_ftype infprintf = info->fprintf_func;
2032 const struct mips_opcode *op, *opend;
2033 struct mips_print_arg_state state;
2034 void *is = info->stream;
2035 bfd_boolean have_second;
2036 unsigned int second;
2040 info->bytes_per_chunk = 2;
2041 info->display_endian = info->endian;
2042 info->insn_info_valid = 1;
2043 info->branch_delay_insns = 0;
2044 info->data_size = 0;
2048 #define GET_OP(insn, field) \
2049 (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field)
2050 /* Decode PLT entry's GOT slot address word. */
2051 if (is_mips16_plt_tail (info, memaddr))
2053 info->insn_type = dis_noninsn;
2054 status = (*info->read_memory_func) (memaddr, buffer, 4, info);
2057 unsigned int gotslot;
2059 if (info->endian == BFD_ENDIAN_BIG)
2060 gotslot = bfd_getb32 (buffer);
2062 gotslot = bfd_getl32 (buffer);
2063 infprintf (is, ".word\t0x%x", gotslot);
2070 info->insn_type = dis_nonbranch;
2071 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
2075 (*info->memory_error_func) (status, memaddr, info);
2079 if (info->endian == BFD_ENDIAN_BIG)
2080 first = bfd_getb16 (buffer);
2082 first = bfd_getl16 (buffer);
2084 status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info);
2088 if (info->endian == BFD_ENDIAN_BIG)
2089 second = bfd_getb16 (buffer);
2091 second = bfd_getl16 (buffer);
2092 full = (first << 16) | second;
2096 have_second = FALSE;
2101 /* FIXME: Should probably use a hash table on the major opcode here. */
2103 opend = mips16_opcodes + bfd_mips16_num_opcodes;
2104 for (op = mips16_opcodes; op < opend; op++)
2106 enum match_kind match;
2108 if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor))
2111 if (op->pinfo == INSN_MACRO
2112 || (no_aliases && (op->pinfo2 & INSN2_ALIAS)))
2114 else if (mips_opcode_32bit_p (op))
2117 && (full & op->mask) == op->match)
2122 else if ((first & op->mask) == op->match)
2124 match = MATCH_SHORT;
2128 else if ((first & 0xf800) == 0xf000
2130 && !(op->pinfo2 & INSN2_SHORT_ONLY)
2131 && (second & op->mask) == op->match)
2136 if (match != MATCH_NONE)
2140 infprintf (is, "%s", op->name);
2141 if (op->args[0] != '\0')
2142 infprintf (is, "\t");
2144 init_print_arg_state (&state);
2145 for (s = op->args; *s != '\0'; s++)
2149 && GET_OP (full, RX) == GET_OP (full, RY))
2151 /* Skip the register and the comma. */
2157 && GET_OP (full, RZ) == GET_OP (full, RX))
2159 /* Skip the register and the comma. */
2166 print_mips16_insn_arg (info, &state, op, *s, memaddr + 2,
2167 second, TRUE, first, s[1] == '(');
2170 print_mips16_insn_arg (info, &state, op, *s, memaddr,
2171 first, FALSE, 0, s[1] == '(');
2173 case MATCH_NONE: /* Stop the compiler complaining. */
2178 /* Figure out branch instruction type and delay slot information. */
2179 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
2180 info->branch_delay_insns = 1;
2181 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0
2182 || (op->pinfo2 & INSN2_UNCOND_BRANCH) != 0)
2184 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
2185 info->insn_type = dis_jsr;
2187 info->insn_type = dis_branch;
2189 else if ((op->pinfo2 & INSN2_COND_BRANCH) != 0)
2190 info->insn_type = dis_condbranch;
2192 return match == MATCH_FULL ? 4 : 2;
2197 infprintf (is, "0x%x", first);
2198 info->insn_type = dis_noninsn;
2203 /* Disassemble microMIPS instructions. */
2206 print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info)
2208 const fprintf_ftype infprintf = info->fprintf_func;
2209 const struct mips_opcode *op, *opend;
2210 void *is = info->stream;
2212 unsigned int higher;
2213 unsigned int length;
2217 info->bytes_per_chunk = 2;
2218 info->display_endian = info->endian;
2219 info->insn_info_valid = 1;
2220 info->branch_delay_insns = 0;
2221 info->data_size = 0;
2222 info->insn_type = dis_nonbranch;
2226 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
2229 (*info->memory_error_func) (status, memaddr, info);
2235 if (info->endian == BFD_ENDIAN_BIG)
2236 insn = bfd_getb16 (buffer);
2238 insn = bfd_getl16 (buffer);
2240 if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000)
2242 /* This is a 32-bit microMIPS instruction. */
2245 status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info);
2248 infprintf (is, "micromips 0x%x", higher);
2249 (*info->memory_error_func) (status, memaddr + 2, info);
2253 if (info->endian == BFD_ENDIAN_BIG)
2254 insn = bfd_getb16 (buffer);
2256 insn = bfd_getl16 (buffer);
2258 insn = insn | (higher << 16);
2263 /* FIXME: Should probably use a hash table on the major opcode here. */
2265 opend = micromips_opcodes + bfd_micromips_num_opcodes;
2266 for (op = micromips_opcodes; op < opend; op++)
2268 if (op->pinfo != INSN_MACRO
2269 && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
2270 && (insn & op->mask) == op->match
2271 && ((length == 2 && (op->mask & 0xffff0000) == 0)
2272 || (length == 4 && (op->mask & 0xffff0000) != 0)))
2274 if (!validate_insn_args (op, decode_micromips_operand, insn))
2277 infprintf (is, "%s", op->name);
2281 infprintf (is, "\t");
2282 print_insn_args (info, op, decode_micromips_operand, insn,
2283 memaddr + 1, length);
2286 /* Figure out instruction type and branch delay information. */
2288 & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0)
2289 info->branch_delay_insns = 1;
2290 if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY)
2291 | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0)
2293 if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
2294 info->insn_type = dis_jsr;
2296 info->insn_type = dis_branch;
2298 else if (((op->pinfo & INSN_COND_BRANCH_DELAY)
2299 | (op->pinfo2 & INSN2_COND_BRANCH)) != 0)
2301 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
2302 info->insn_type = dis_condjsr;
2304 info->insn_type = dis_condbranch;
2307 & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY)) != 0)
2308 info->insn_type = dis_dref;
2314 infprintf (is, "0x%x", insn);
2315 info->insn_type = dis_noninsn;
2320 /* Return 1 if a symbol associated with the location being disassembled
2321 indicates a compressed mode, either MIPS16 or microMIPS, according to
2322 MICROMIPS_P. We iterate over all the symbols at the address being
2323 considered assuming if at least one of them indicates code compression,
2324 then such code has been genuinely produced here (other symbols could
2325 have been derived from function symbols defined elsewhere or could
2326 define data). Otherwise, return 0. */
2329 is_compressed_mode_p (struct disassemble_info *info, bfd_boolean micromips_p)
2334 for (i = info->symtab_pos, l = i + info->num_symbols; i < l; i++)
2335 if (((info->symtab[i])->flags & BSF_SYNTHETIC) != 0
2337 && ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i))
2339 && ELF_ST_IS_MICROMIPS ((*info->symbols)->udata.i))))
2341 else if (bfd_asymbol_flavour (info->symtab[i]) == bfd_target_elf_flavour
2342 && info->symtab[i]->section == info->section)
2344 elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i];
2346 && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other))
2348 && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other)))
2355 /* In an environment where we do not know the symbol type of the
2356 instruction we are forced to assume that the low order bit of the
2357 instructions' address may mark it as a mips16 instruction. If we
2358 are single stepping, or the pc is within the disassembled function,
2359 this works. Otherwise, we need a clue. Sometimes. */
2362 _print_insn_mips (bfd_vma memaddr,
2363 struct disassemble_info *info,
2364 enum bfd_endian endianness)
2366 bfd_byte buffer[INSNLEN];
2369 set_default_mips_dis_options (info);
2370 parse_mips_dis_options (info->disassembler_options);
2372 if (info->mach == bfd_mach_mips16)
2373 return print_insn_mips16 (memaddr, info);
2374 if (info->mach == bfd_mach_mips_micromips)
2375 return print_insn_micromips (memaddr, info);
2378 /* FIXME: If odd address, this is CLEARLY a compressed instruction. */
2379 /* Only a few tools will work this way. */
2383 return print_insn_micromips (memaddr, info);
2385 return print_insn_mips16 (memaddr, info);
2389 #if SYMTAB_AVAILABLE
2390 if (is_compressed_mode_p (info, TRUE))
2391 return print_insn_micromips (memaddr, info);
2392 if (is_compressed_mode_p (info, FALSE))
2393 return print_insn_mips16 (memaddr, info);
2396 status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info);
2401 if (endianness == BFD_ENDIAN_BIG)
2402 insn = bfd_getb32 (buffer);
2404 insn = bfd_getl32 (buffer);
2406 return print_insn_mips (memaddr, insn, info);
2410 (*info->memory_error_func) (status, memaddr, info);
2416 print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info)
2418 return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG);
2422 print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info)
2424 return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE);
2428 print_mips_disassembler_options (FILE *stream)
2432 fprintf (stream, _("\n\
2433 The following MIPS specific disassembler options are supported for use\n\
2434 with the -M switch (multiple options should be separated by commas):\n"));
2436 fprintf (stream, _("\n\
2437 no-aliases Use canonical instruction forms.\n"));
2439 fprintf (stream, _("\n\
2440 msa Recognize MSA instructions.\n"));
2442 fprintf (stream, _("\n\
2443 virt Recognize the virtualization ASE instructions.\n"));
2445 fprintf (stream, _("\n\
2446 xpa Recognize the eXtended Physical Address (XPA)\n\
2447 ASE instructions.\n"));
2449 fprintf (stream, _("\n\
2450 gpr-names=ABI Print GPR names according to specified ABI.\n\
2451 Default: based on binary being disassembled.\n"));
2453 fprintf (stream, _("\n\
2454 fpr-names=ABI Print FPR names according to specified ABI.\n\
2455 Default: numeric.\n"));
2457 fprintf (stream, _("\n\
2458 cp0-names=ARCH Print CP0 register names according to\n\
2459 specified architecture.\n\
2460 Default: based on binary being disassembled.\n"));
2462 fprintf (stream, _("\n\
2463 hwr-names=ARCH Print HWR names according to specified \n\
2465 Default: based on binary being disassembled.\n"));
2467 fprintf (stream, _("\n\
2468 reg-names=ABI Print GPR and FPR names according to\n\
2469 specified ABI.\n"));
2471 fprintf (stream, _("\n\
2472 reg-names=ARCH Print CP0 register and HWR names according to\n\
2473 specified architecture.\n"));
2475 fprintf (stream, _("\n\
2476 For the options above, the following values are supported for \"ABI\":\n\
2478 for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++)
2479 fprintf (stream, " %s", mips_abi_choices[i].name);
2480 fprintf (stream, _("\n"));
2482 fprintf (stream, _("\n\
2483 For the options above, The following values are supported for \"ARCH\":\n\
2485 for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++)
2486 if (*mips_arch_choices[i].name != '\0')
2487 fprintf (stream, " %s", mips_arch_choices[i].name);
2488 fprintf (stream, _("\n"));
2490 fprintf (stream, _("\n"));