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 /* For jumps and branches clear the ISA bit except for
1285 the GDB disassembler. */
1286 if (pcrel_op->include_isa_bit
1287 && info->flavour != bfd_target_unknown_flavour)
1290 (*info->print_address_func) (info->target, info);
1295 infprintf (is, "%d", uval);
1298 case OP_ADDIUSP_INT:
1302 sval = mips_signed_operand (operand, uval) * 4;
1303 if (sval >= -8 && sval < 8)
1305 infprintf (is, "%d", sval);
1309 case OP_CLO_CLZ_DEST:
1311 unsigned int reg1, reg2;
1315 /* If one is zero use the other. */
1316 if (reg1 == reg2 || reg2 == 0)
1317 infprintf (is, "%s", mips_gpr_names[reg1]);
1319 infprintf (is, "%s", mips_gpr_names[reg2]);
1321 /* Bogus, result depends on processor. */
1322 infprintf (is, "%s or %s", mips_gpr_names[reg1],
1323 mips_gpr_names[reg2]);
1329 case OP_NON_ZERO_REG:
1331 print_reg (info, opcode, OP_REG_GP, uval & 31);
1332 mips_seen_register (state, uval, OP_REG_GP);
1336 case OP_LWM_SWM_LIST:
1337 if (operand->size == 2)
1340 infprintf (is, "%s,%s",
1342 mips_gpr_names[31]);
1344 infprintf (is, "%s-%s,%s",
1346 mips_gpr_names[16 + uval],
1347 mips_gpr_names[31]);
1353 s_reg_encode = uval & 0xf;
1354 if (s_reg_encode != 0)
1356 if (s_reg_encode == 1)
1357 infprintf (is, "%s", mips_gpr_names[16]);
1358 else if (s_reg_encode < 9)
1359 infprintf (is, "%s-%s",
1361 mips_gpr_names[15 + s_reg_encode]);
1362 else if (s_reg_encode == 9)
1363 infprintf (is, "%s-%s,%s",
1366 mips_gpr_names[30]);
1368 infprintf (is, "UNKNOWN");
1371 if (uval & 0x10) /* For ra. */
1373 if (s_reg_encode == 0)
1374 infprintf (is, "%s", mips_gpr_names[31]);
1376 infprintf (is, ",%s", mips_gpr_names[31]);
1381 case OP_ENTRY_EXIT_LIST:
1384 unsigned int amask, smask;
1387 amask = (uval >> 3) & 7;
1388 if (amask > 0 && amask < 5)
1390 infprintf (is, "%s", mips_gpr_names[4]);
1392 infprintf (is, "-%s", mips_gpr_names[amask + 3]);
1396 smask = (uval >> 1) & 3;
1399 infprintf (is, "%s??", sep);
1404 infprintf (is, "%s%s", sep, mips_gpr_names[16]);
1406 infprintf (is, "-%s", mips_gpr_names[smask + 15]);
1412 infprintf (is, "%s%s", sep, mips_gpr_names[31]);
1416 if (amask == 5 || amask == 6)
1418 infprintf (is, "%s%s", sep, mips_fpr_names[0]);
1420 infprintf (is, "-%s", mips_fpr_names[1]);
1425 case OP_SAVE_RESTORE_LIST:
1426 /* Should be handled by the caller due to extend behavior. */
1429 case OP_MDMX_IMM_REG:
1435 if ((vsel & 0x10) == 0)
1440 for (fmt = 0; fmt < 3; fmt++, vsel >>= 1)
1441 if ((vsel & 1) == 0)
1443 print_reg (info, opcode, OP_REG_VEC, uval);
1444 infprintf (is, "[%d]", vsel >> 1);
1446 else if ((vsel & 0x08) == 0)
1447 print_reg (info, opcode, OP_REG_VEC, uval);
1449 infprintf (is, "0x%x", uval);
1453 case OP_REPEAT_PREV_REG:
1454 print_reg (info, opcode, state->last_reg_type, state->last_regno);
1457 case OP_REPEAT_DEST_REG:
1458 print_reg (info, opcode, state->last_reg_type, state->dest_regno);
1462 infprintf (is, "$pc");
1466 case OP_VU0_MATCH_SUFFIX:
1467 print_vu0_channel (info, operand, uval);
1471 infprintf (is, "[%d]", uval);
1475 infprintf (is, "[");
1476 print_reg (info, opcode, OP_REG_GP, uval);
1477 infprintf (is, "]");
1482 /* Validate the arguments for INSN, which is described by OPCODE.
1483 Use DECODE_OPERAND to get the encoding of each operand. */
1486 validate_insn_args (const struct mips_opcode *opcode,
1487 const struct mips_operand *(*decode_operand) (const char *),
1490 struct mips_print_arg_state state;
1491 const struct mips_operand *operand;
1495 init_print_arg_state (&state);
1496 for (s = opcode->args; *s; ++s)
1510 operand = decode_operand (s);
1514 uval = mips_extract_operand (operand, insn);
1515 switch (operand->type)
1518 case OP_OPTIONAL_REG:
1520 const struct mips_reg_operand *reg_op;
1522 reg_op = (const struct mips_reg_operand *) operand;
1523 uval = mips_decode_reg_operand (reg_op, uval);
1524 mips_seen_register (&state, uval, reg_op->reg_type);
1530 unsigned int reg1, reg2;
1535 if (reg1 != reg2 || reg1 == 0)
1542 const struct mips_check_prev_operand *prev_op;
1544 prev_op = (const struct mips_check_prev_operand *) operand;
1546 if (!prev_op->zero_ok && uval == 0)
1549 if (((prev_op->less_than_ok && uval < state.last_regno)
1550 || (prev_op->greater_than_ok && uval > state.last_regno)
1551 || (prev_op->equal_ok && uval == state.last_regno)))
1557 case OP_NON_ZERO_REG:
1570 case OP_ADDIUSP_INT:
1571 case OP_CLO_CLZ_DEST:
1572 case OP_LWM_SWM_LIST:
1573 case OP_ENTRY_EXIT_LIST:
1574 case OP_MDMX_IMM_REG:
1575 case OP_REPEAT_PREV_REG:
1576 case OP_REPEAT_DEST_REG:
1579 case OP_VU0_MATCH_SUFFIX:
1584 case OP_SAVE_RESTORE_LIST:
1585 /* Should be handled by the caller due to extend behavior. */
1589 if (*s == 'm' || *s == '+' || *s == '-')
1596 /* Print the arguments for INSN, which is described by OPCODE.
1597 Use DECODE_OPERAND to get the encoding of each operand. Use BASE_PC
1598 as the base of OP_PCREL operands, adjusting by LENGTH if the OP_PCREL
1599 operand is for a branch or jump. */
1602 print_insn_args (struct disassemble_info *info,
1603 const struct mips_opcode *opcode,
1604 const struct mips_operand *(*decode_operand) (const char *),
1605 unsigned int insn, bfd_vma insn_pc, unsigned int length)
1607 const fprintf_ftype infprintf = info->fprintf_func;
1608 void *is = info->stream;
1609 struct mips_print_arg_state state;
1610 const struct mips_operand *operand;
1613 init_print_arg_state (&state);
1614 for (s = opcode->args; *s; ++s)
1621 infprintf (is, "%c", *s);
1626 infprintf (is, "%c%c", *s, *s);
1630 operand = decode_operand (s);
1633 /* xgettext:c-format */
1635 _("# internal error, undefined operand in `%s %s'"),
1636 opcode->name, opcode->args);
1639 if (operand->type == OP_REG
1642 && opcode->name[strlen (opcode->name) - 1] == '0')
1644 /* Coprocessor register 0 with sel field. */
1645 const struct mips_cp0sel_name *n;
1646 unsigned int reg, sel;
1648 reg = mips_extract_operand (operand, insn);
1650 operand = decode_operand (s);
1651 sel = mips_extract_operand (operand, insn);
1653 /* CP0 register including 'sel' code for mftc0, to be
1654 printed textually if known. If not known, print both
1655 CP0 register name and sel numerically since CP0 register
1656 with sel 0 may have a name unrelated to register being
1658 n = lookup_mips_cp0sel_name (mips_cp0sel_names,
1659 mips_cp0sel_names_len,
1662 infprintf (is, "%s", n->name);
1664 infprintf (is, "$%d,%d", reg, sel);
1668 bfd_vma base_pc = insn_pc;
1670 /* Adjust the PC relative base so that branch/jump insns use
1671 the following PC as the base but genuinely PC relative
1672 operands use the current PC. */
1673 if (operand->type == OP_PCREL)
1675 const struct mips_pcrel_operand *pcrel_op;
1677 pcrel_op = (const struct mips_pcrel_operand *) operand;
1678 /* The include_isa_bit flag is sufficient to distinguish
1679 branch/jump from other PC relative operands. */
1680 if (pcrel_op->include_isa_bit)
1684 print_insn_arg (info, &state, opcode, operand, base_pc,
1685 mips_extract_operand (operand, insn));
1687 if (*s == 'm' || *s == '+' || *s == '-')
1694 /* Print the mips instruction at address MEMADDR in debugged memory,
1695 on using INFO. Returns length of the instruction, in bytes, which is
1696 always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if
1697 this is little-endian code. */
1700 print_insn_mips (bfd_vma memaddr,
1702 struct disassemble_info *info)
1704 #define GET_OP(insn, field) \
1705 (((insn) >> OP_SH_##field) & OP_MASK_##field)
1706 static const struct mips_opcode *mips_hash[OP_MASK_OP + 1];
1707 const fprintf_ftype infprintf = info->fprintf_func;
1708 const struct mips_opcode *op;
1709 static bfd_boolean init = 0;
1710 void *is = info->stream;
1712 /* Build a hash table to shorten the search time. */
1717 for (i = 0; i <= OP_MASK_OP; i++)
1719 for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++)
1721 if (op->pinfo == INSN_MACRO
1722 || (no_aliases && (op->pinfo2 & INSN2_ALIAS)))
1724 if (i == GET_OP (op->match, OP))
1735 info->bytes_per_chunk = INSNLEN;
1736 info->display_endian = info->endian;
1737 info->insn_info_valid = 1;
1738 info->branch_delay_insns = 0;
1739 info->data_size = 0;
1740 info->insn_type = dis_nonbranch;
1744 op = mips_hash[GET_OP (word, OP)];
1747 for (; op < &mips_opcodes[NUMOPCODES]; op++)
1749 if (op->pinfo != INSN_MACRO
1750 && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
1751 && (word & op->mask) == op->match)
1753 /* We always disassemble the jalx instruction, except for MIPS r6. */
1754 if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor)
1755 && (strcmp (op->name, "jalx")
1756 || (mips_isa & INSN_ISA_MASK) == ISA_MIPS32R6
1757 || (mips_isa & INSN_ISA_MASK) == ISA_MIPS64R6))
1760 /* Figure out instruction type and branch delay information. */
1761 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
1763 if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
1764 info->insn_type = dis_jsr;
1766 info->insn_type = dis_branch;
1767 info->branch_delay_insns = 1;
1769 else if ((op->pinfo & (INSN_COND_BRANCH_DELAY
1770 | INSN_COND_BRANCH_LIKELY)) != 0)
1772 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
1773 info->insn_type = dis_condjsr;
1775 info->insn_type = dis_condbranch;
1776 info->branch_delay_insns = 1;
1778 else if ((op->pinfo & (INSN_STORE_MEMORY
1779 | INSN_LOAD_MEMORY)) != 0)
1780 info->insn_type = dis_dref;
1782 if (!validate_insn_args (op, decode_mips_operand, word))
1785 infprintf (is, "%s", op->name);
1786 if (op->pinfo2 & INSN2_VU0_CHANNEL_SUFFIX)
1790 infprintf (is, ".");
1791 uval = mips_extract_operand (&mips_vu0_channel_mask, word);
1792 print_vu0_channel (info, &mips_vu0_channel_mask, uval);
1797 infprintf (is, "\t");
1798 print_insn_args (info, op, decode_mips_operand, word,
1808 /* Handle undefined instructions. */
1809 info->insn_type = dis_noninsn;
1810 infprintf (is, "0x%x", word);
1814 /* Disassemble an operand for a mips16 instruction. */
1817 print_mips16_insn_arg (struct disassemble_info *info,
1818 struct mips_print_arg_state *state,
1819 const struct mips_opcode *opcode,
1820 char type, bfd_vma memaddr,
1821 unsigned insn, bfd_boolean use_extend,
1822 unsigned extend, bfd_boolean is_offset)
1824 const fprintf_ftype infprintf = info->fprintf_func;
1825 void *is = info->stream;
1826 const struct mips_operand *operand, *ext_operand;
1827 unsigned short ext_size;
1839 infprintf (is, "%c", type);
1843 operand = decode_mips16_operand (type, FALSE);
1846 /* xgettext:c-format */
1847 infprintf (is, _("# internal error, undefined operand in `%s %s'"),
1848 opcode->name, opcode->args);
1852 if (operand->type == OP_SAVE_RESTORE_LIST)
1854 /* Handle this case here because of the complex interaction
1855 with the EXTEND opcode. */
1856 unsigned int amask, nargs, nstatics, nsreg, smask, frame_size, i, j;
1859 amask = extend & 0xf;
1860 if (amask == MIPS16_ALL_ARGS)
1865 else if (amask == MIPS16_ALL_STATICS)
1873 nstatics = amask & 3;
1879 infprintf (is, "%s", mips_gpr_names[4]);
1881 infprintf (is, "-%s", mips_gpr_names[4 + nargs - 1]);
1885 frame_size = ((extend & 0xf0) | (insn & 0x0f)) * 8;
1886 if (frame_size == 0 && !use_extend)
1888 infprintf (is, "%s%d", sep, frame_size);
1890 if (insn & 0x40) /* $ra */
1891 infprintf (is, ",%s", mips_gpr_names[31]);
1893 nsreg = (extend >> 8) & 0x7;
1895 if (insn & 0x20) /* $s0 */
1897 if (insn & 0x10) /* $s1 */
1899 if (nsreg > 0) /* $s2-$s8 */
1900 smask |= ((1 << nsreg) - 1) << 2;
1902 for (i = 0; i < 9; i++)
1903 if (smask & (1 << i))
1905 infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]);
1906 /* Skip over string of set bits. */
1907 for (j = i; smask & (2 << j); j++)
1910 infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]);
1913 /* Statics $ax - $a3. */
1915 infprintf (is, ",%s", mips_gpr_names[7]);
1916 else if (nstatics > 0)
1917 infprintf (is, ",%s-%s",
1918 mips_gpr_names[7 - nstatics + 1],
1923 if (is_offset && operand->type == OP_INT)
1925 const struct mips_int_operand *int_op;
1927 int_op = (const struct mips_int_operand *) operand;
1928 info->insn_type = dis_dref;
1929 info->data_size = 1 << int_op->shift;
1935 ext_operand = decode_mips16_operand (type, TRUE);
1936 if (ext_operand != operand)
1938 ext_size = ext_operand->size;
1939 operand = ext_operand;
1942 if (operand->size == 26)
1943 uval = ((extend & 0x1f) << 21) | ((extend & 0x3e0) << 11) | insn;
1944 else if (ext_size == 16)
1945 uval = ((extend & 0x1f) << 11) | (extend & 0x7e0) | (insn & 0x1f);
1946 else if (ext_size == 15)
1947 uval = ((extend & 0xf) << 11) | (extend & 0x7f0) | (insn & 0xf);
1948 else if (ext_size == 6)
1949 uval = ((extend >> 6) & 0x1f) | (extend & 0x20);
1951 uval = mips_extract_operand (operand, (extend << 16) | insn);
1953 baseaddr = memaddr + 2;
1954 if (operand->type == OP_PCREL)
1956 const struct mips_pcrel_operand *pcrel_op;
1958 pcrel_op = (const struct mips_pcrel_operand *) operand;
1959 if (!pcrel_op->include_isa_bit && use_extend)
1960 baseaddr = memaddr - 2;
1961 else if (!pcrel_op->include_isa_bit)
1965 /* If this instruction is in the delay slot of a JAL/JALX
1966 instruction, the base address is the address of the
1967 JAL/JALX instruction. If it is in the delay slot of
1968 a JR/JALR instruction, the base address is the address
1969 of the JR/JALR instruction. This test is unreliable:
1970 we have no way of knowing whether the previous word is
1971 instruction or data. */
1972 if (info->read_memory_func (memaddr - 4, buffer, 2, info) == 0
1973 && (((info->endian == BFD_ENDIAN_BIG
1974 ? bfd_getb16 (buffer)
1975 : bfd_getl16 (buffer))
1976 & 0xf800) == 0x1800))
1977 baseaddr = memaddr - 4;
1978 else if (info->read_memory_func (memaddr - 2, buffer, 2,
1980 && (((info->endian == BFD_ENDIAN_BIG
1981 ? bfd_getb16 (buffer)
1982 : bfd_getl16 (buffer))
1983 & 0xf89f) == 0xe800)
1984 && (((info->endian == BFD_ENDIAN_BIG
1985 ? bfd_getb16 (buffer)
1986 : bfd_getl16 (buffer))
1987 & 0x0060) != 0x0060))
1988 baseaddr = memaddr - 2;
1994 print_insn_arg (info, state, opcode, operand, baseaddr + 1, uval);
2000 /* Check if the given address is the last word of a MIPS16 PLT entry.
2001 This word is data and depending on the value it may interfere with
2002 disassembly of further PLT entries. We make use of the fact PLT
2003 symbols are marked BSF_SYNTHETIC. */
2005 is_mips16_plt_tail (struct disassemble_info *info, bfd_vma addr)
2009 && (info->symbols[0]->flags & BSF_SYNTHETIC)
2010 && addr == bfd_asymbol_value (info->symbols[0]) + 12)
2016 /* Whether none, a 32-bit or a 16-bit instruction match has been done. */
2025 /* Disassemble mips16 instructions. */
2028 print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info)
2030 const fprintf_ftype infprintf = info->fprintf_func;
2033 const struct mips_opcode *op, *opend;
2034 struct mips_print_arg_state state;
2035 void *is = info->stream;
2036 bfd_boolean have_second;
2037 unsigned int second;
2041 info->bytes_per_chunk = 2;
2042 info->display_endian = info->endian;
2043 info->insn_info_valid = 1;
2044 info->branch_delay_insns = 0;
2045 info->data_size = 0;
2049 #define GET_OP(insn, field) \
2050 (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field)
2051 /* Decode PLT entry's GOT slot address word. */
2052 if (is_mips16_plt_tail (info, memaddr))
2054 info->insn_type = dis_noninsn;
2055 status = (*info->read_memory_func) (memaddr, buffer, 4, info);
2058 unsigned int gotslot;
2060 if (info->endian == BFD_ENDIAN_BIG)
2061 gotslot = bfd_getb32 (buffer);
2063 gotslot = bfd_getl32 (buffer);
2064 infprintf (is, ".word\t0x%x", gotslot);
2071 info->insn_type = dis_nonbranch;
2072 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
2076 (*info->memory_error_func) (status, memaddr, info);
2080 if (info->endian == BFD_ENDIAN_BIG)
2081 first = bfd_getb16 (buffer);
2083 first = bfd_getl16 (buffer);
2085 status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info);
2089 if (info->endian == BFD_ENDIAN_BIG)
2090 second = bfd_getb16 (buffer);
2092 second = bfd_getl16 (buffer);
2093 full = (first << 16) | second;
2097 have_second = FALSE;
2102 /* FIXME: Should probably use a hash table on the major opcode here. */
2104 opend = mips16_opcodes + bfd_mips16_num_opcodes;
2105 for (op = mips16_opcodes; op < opend; op++)
2107 enum match_kind match;
2109 if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor))
2112 if (op->pinfo == INSN_MACRO
2113 || (no_aliases && (op->pinfo2 & INSN2_ALIAS)))
2115 else if (mips_opcode_32bit_p (op))
2118 && (full & op->mask) == op->match)
2123 else if ((first & op->mask) == op->match)
2125 match = MATCH_SHORT;
2129 else if ((first & 0xf800) == 0xf000
2131 && !(op->pinfo2 & INSN2_SHORT_ONLY)
2132 && (second & op->mask) == op->match)
2137 if (match != MATCH_NONE)
2141 infprintf (is, "%s", op->name);
2142 if (op->args[0] != '\0')
2143 infprintf (is, "\t");
2145 init_print_arg_state (&state);
2146 for (s = op->args; *s != '\0'; s++)
2150 && GET_OP (full, RX) == GET_OP (full, RY))
2152 /* Skip the register and the comma. */
2158 && GET_OP (full, RZ) == GET_OP (full, RX))
2160 /* Skip the register and the comma. */
2167 print_mips16_insn_arg (info, &state, op, *s, memaddr + 2,
2168 second, TRUE, first, s[1] == '(');
2171 print_mips16_insn_arg (info, &state, op, *s, memaddr,
2172 first, FALSE, 0, s[1] == '(');
2174 case MATCH_NONE: /* Stop the compiler complaining. */
2179 /* Figure out branch instruction type and delay slot information. */
2180 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
2181 info->branch_delay_insns = 1;
2182 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0
2183 || (op->pinfo2 & INSN2_UNCOND_BRANCH) != 0)
2185 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
2186 info->insn_type = dis_jsr;
2188 info->insn_type = dis_branch;
2190 else if ((op->pinfo2 & INSN2_COND_BRANCH) != 0)
2191 info->insn_type = dis_condbranch;
2193 return match == MATCH_FULL ? 4 : 2;
2198 infprintf (is, "0x%x", first);
2199 info->insn_type = dis_noninsn;
2204 /* Disassemble microMIPS instructions. */
2207 print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info)
2209 const fprintf_ftype infprintf = info->fprintf_func;
2210 const struct mips_opcode *op, *opend;
2211 void *is = info->stream;
2213 unsigned int higher;
2214 unsigned int length;
2218 info->bytes_per_chunk = 2;
2219 info->display_endian = info->endian;
2220 info->insn_info_valid = 1;
2221 info->branch_delay_insns = 0;
2222 info->data_size = 0;
2223 info->insn_type = dis_nonbranch;
2227 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
2230 (*info->memory_error_func) (status, memaddr, info);
2236 if (info->endian == BFD_ENDIAN_BIG)
2237 insn = bfd_getb16 (buffer);
2239 insn = bfd_getl16 (buffer);
2241 if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000)
2243 /* This is a 32-bit microMIPS instruction. */
2246 status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info);
2249 infprintf (is, "micromips 0x%x", higher);
2250 (*info->memory_error_func) (status, memaddr + 2, info);
2254 if (info->endian == BFD_ENDIAN_BIG)
2255 insn = bfd_getb16 (buffer);
2257 insn = bfd_getl16 (buffer);
2259 insn = insn | (higher << 16);
2264 /* FIXME: Should probably use a hash table on the major opcode here. */
2266 opend = micromips_opcodes + bfd_micromips_num_opcodes;
2267 for (op = micromips_opcodes; op < opend; op++)
2269 if (op->pinfo != INSN_MACRO
2270 && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
2271 && (insn & op->mask) == op->match
2272 && ((length == 2 && (op->mask & 0xffff0000) == 0)
2273 || (length == 4 && (op->mask & 0xffff0000) != 0)))
2275 if (!validate_insn_args (op, decode_micromips_operand, insn))
2278 infprintf (is, "%s", op->name);
2282 infprintf (is, "\t");
2283 print_insn_args (info, op, decode_micromips_operand, insn,
2284 memaddr + 1, length);
2287 /* Figure out instruction type and branch delay information. */
2289 & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0)
2290 info->branch_delay_insns = 1;
2291 if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY)
2292 | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0)
2294 if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_1)) != 0)
2295 info->insn_type = dis_jsr;
2297 info->insn_type = dis_branch;
2299 else if (((op->pinfo & INSN_COND_BRANCH_DELAY)
2300 | (op->pinfo2 & INSN2_COND_BRANCH)) != 0)
2302 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
2303 info->insn_type = dis_condjsr;
2305 info->insn_type = dis_condbranch;
2308 & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY)) != 0)
2309 info->insn_type = dis_dref;
2315 infprintf (is, "0x%x", insn);
2316 info->insn_type = dis_noninsn;
2321 /* Return 1 if a symbol associated with the location being disassembled
2322 indicates a compressed mode, either MIPS16 or microMIPS, according to
2323 MICROMIPS_P. We iterate over all the symbols at the address being
2324 considered assuming if at least one of them indicates code compression,
2325 then such code has been genuinely produced here (other symbols could
2326 have been derived from function symbols defined elsewhere or could
2327 define data). Otherwise, return 0. */
2330 is_compressed_mode_p (struct disassemble_info *info, bfd_boolean micromips_p)
2335 for (i = info->symtab_pos, l = i + info->num_symbols; i < l; i++)
2336 if (((info->symtab[i])->flags & BSF_SYNTHETIC) != 0
2338 && ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i))
2340 && ELF_ST_IS_MICROMIPS ((*info->symbols)->udata.i))))
2342 else if (bfd_asymbol_flavour (info->symtab[i]) == bfd_target_elf_flavour
2343 && info->symtab[i]->section == info->section)
2345 elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i];
2347 && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other))
2349 && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other)))
2356 /* In an environment where we do not know the symbol type of the
2357 instruction we are forced to assume that the low order bit of the
2358 instructions' address may mark it as a mips16 instruction. If we
2359 are single stepping, or the pc is within the disassembled function,
2360 this works. Otherwise, we need a clue. Sometimes. */
2363 _print_insn_mips (bfd_vma memaddr,
2364 struct disassemble_info *info,
2365 enum bfd_endian endianness)
2367 bfd_byte buffer[INSNLEN];
2370 set_default_mips_dis_options (info);
2371 parse_mips_dis_options (info->disassembler_options);
2373 if (info->mach == bfd_mach_mips16)
2374 return print_insn_mips16 (memaddr, info);
2375 if (info->mach == bfd_mach_mips_micromips)
2376 return print_insn_micromips (memaddr, info);
2379 /* FIXME: If odd address, this is CLEARLY a compressed instruction. */
2380 /* Only a few tools will work this way. */
2384 return print_insn_micromips (memaddr, info);
2386 return print_insn_mips16 (memaddr, info);
2390 #if SYMTAB_AVAILABLE
2391 if (is_compressed_mode_p (info, TRUE))
2392 return print_insn_micromips (memaddr, info);
2393 if (is_compressed_mode_p (info, FALSE))
2394 return print_insn_mips16 (memaddr, info);
2397 status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info);
2402 if (endianness == BFD_ENDIAN_BIG)
2403 insn = bfd_getb32 (buffer);
2405 insn = bfd_getl32 (buffer);
2407 return print_insn_mips (memaddr, insn, info);
2411 (*info->memory_error_func) (status, memaddr, info);
2417 print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info)
2419 return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG);
2423 print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info)
2425 return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE);
2429 print_mips_disassembler_options (FILE *stream)
2433 fprintf (stream, _("\n\
2434 The following MIPS specific disassembler options are supported for use\n\
2435 with the -M switch (multiple options should be separated by commas):\n"));
2437 fprintf (stream, _("\n\
2438 no-aliases Use canonical instruction forms.\n"));
2440 fprintf (stream, _("\n\
2441 msa Recognize MSA instructions.\n"));
2443 fprintf (stream, _("\n\
2444 virt Recognize the virtualization ASE instructions.\n"));
2446 fprintf (stream, _("\n\
2447 xpa Recognize the eXtended Physical Address (XPA)\n\
2448 ASE instructions.\n"));
2450 fprintf (stream, _("\n\
2451 gpr-names=ABI Print GPR names according to specified ABI.\n\
2452 Default: based on binary being disassembled.\n"));
2454 fprintf (stream, _("\n\
2455 fpr-names=ABI Print FPR names according to specified ABI.\n\
2456 Default: numeric.\n"));
2458 fprintf (stream, _("\n\
2459 cp0-names=ARCH Print CP0 register names according to\n\
2460 specified architecture.\n\
2461 Default: based on binary being disassembled.\n"));
2463 fprintf (stream, _("\n\
2464 hwr-names=ARCH Print HWR names according to specified \n\
2466 Default: based on binary being disassembled.\n"));
2468 fprintf (stream, _("\n\
2469 reg-names=ABI Print GPR and FPR names according to\n\
2470 specified ABI.\n"));
2472 fprintf (stream, _("\n\
2473 reg-names=ARCH Print CP0 register and HWR names according to\n\
2474 specified architecture.\n"));
2476 fprintf (stream, _("\n\
2477 For the options above, the following values are supported for \"ABI\":\n\
2479 for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++)
2480 fprintf (stream, " %s", mips_abi_choices[i].name);
2481 fprintf (stream, _("\n"));
2483 fprintf (stream, _("\n\
2484 For the options above, The following values are supported for \"ARCH\":\n\
2486 for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++)
2487 if (*mips_arch_choices[i].name != '\0')
2488 fprintf (stream, " %s", mips_arch_choices[i].name);
2489 fprintf (stream, _("\n"));
2491 fprintf (stream, _("\n"));