gas/
[deliverable/binutils-gdb.git] / opcodes / mips-dis.c
CommitLineData
252b5132 1/* Print mips instructions for GDB, the GNU debugger, or for objdump.
060d22b0 2 Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
aa820537 3 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009
73da6b6b 4 Free Software Foundation, Inc.
252b5132
RH
5 Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp).
6
9b201bb5 7 This file is part of the GNU opcodes library.
252b5132 8
9b201bb5 9 This library is free software; you can redistribute it and/or modify
47b0e7ad 10 it under the terms of the GNU General Public License as published by
9b201bb5
NC
11 the Free Software Foundation; either version 3, or (at your option)
12 any later version.
252b5132 13
9b201bb5
NC
14 It is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
17 License for more details.
252b5132 18
47b0e7ad
NC
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
252b5132 23
252b5132
RH
24#include "sysdep.h"
25#include "dis-asm.h"
640c0ccd 26#include "libiberty.h"
252b5132
RH
27#include "opcode/mips.h"
28#include "opintl.h"
29
30/* FIXME: These are needed to figure out if the code is mips16 or
31 not. The low bit of the address is often a good indicator. No
32 symbol table is available when this code runs out in an embedded
7f6621cd 33 system as when it is used for disassembler support in a monitor. */
252b5132
RH
34
35#if !defined(EMBEDDED_ENV)
36#define SYMTAB_AVAILABLE 1
37#include "elf-bfd.h"
38#include "elf/mips.h"
39#endif
40
aa5f19f2
NC
41/* Mips instructions are at maximum this many bytes long. */
42#define INSNLEN 4
43
252b5132 44\f
aa5f19f2 45/* FIXME: These should be shared with gdb somehow. */
252b5132 46
47b0e7ad
NC
47struct mips_cp0sel_name
48{
49 unsigned int cp0reg;
50 unsigned int sel;
51 const char * const name;
bbcc0807
CD
52};
53
654c225a
TS
54/* The mips16 registers. */
55static const unsigned int mips16_to_32_reg_map[] =
47b0e7ad 56{
654c225a 57 16, 17, 2, 3, 4, 5, 6, 7
252b5132 58};
fb48caed 59
654c225a
TS
60#define mips16_reg_names(rn) mips_gpr_names[mips16_to_32_reg_map[rn]]
61
62
47b0e7ad
NC
63static const char * const mips_gpr_names_numeric[32] =
64{
640c0ccd
CD
65 "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
66 "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
67 "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
68 "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
aa5f19f2
NC
69};
70
47b0e7ad
NC
71static const char * const mips_gpr_names_oldabi[32] =
72{
640c0ccd
CD
73 "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
74 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
75 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
76 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
aa5f19f2
NC
77};
78
47b0e7ad
NC
79static const char * const mips_gpr_names_newabi[32] =
80{
640c0ccd 81 "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3",
0b14f26e 82 "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3",
640c0ccd
CD
83 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
84 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra"
85};
86
47b0e7ad
NC
87static const char * const mips_fpr_names_numeric[32] =
88{
640c0ccd
CD
89 "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7",
90 "$f8", "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15",
91 "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23",
92 "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31"
93};
94
47b0e7ad
NC
95static const char * const mips_fpr_names_32[32] =
96{
640c0ccd
CD
97 "fv0", "fv0f", "fv1", "fv1f", "ft0", "ft0f", "ft1", "ft1f",
98 "ft2", "ft2f", "ft3", "ft3f", "fa0", "fa0f", "fa1", "fa1f",
99 "ft4", "ft4f", "ft5", "ft5f", "fs0", "fs0f", "fs1", "fs1f",
100 "fs2", "fs2f", "fs3", "fs3f", "fs4", "fs4f", "fs5", "fs5f"
101};
102
47b0e7ad
NC
103static const char * const mips_fpr_names_n32[32] =
104{
640c0ccd
CD
105 "fv0", "ft14", "fv1", "ft15", "ft0", "ft1", "ft2", "ft3",
106 "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3",
107 "fa4", "fa5", "fa6", "fa7", "fs0", "ft8", "fs1", "ft9",
108 "fs2", "ft10", "fs3", "ft11", "fs4", "ft12", "fs5", "ft13"
109};
110
47b0e7ad
NC
111static const char * const mips_fpr_names_64[32] =
112{
640c0ccd
CD
113 "fv0", "ft12", "fv1", "ft13", "ft0", "ft1", "ft2", "ft3",
114 "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3",
115 "fa4", "fa5", "fa6", "fa7", "ft8", "ft9", "ft10", "ft11",
116 "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7"
117};
118
47b0e7ad
NC
119static const char * const mips_cp0_names_numeric[32] =
120{
640c0ccd
CD
121 "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
122 "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
123 "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
124 "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
125};
126
f409fd1e
MR
127static const char * const mips_cp0_names_r3000[32] =
128{
129 "c0_index", "c0_random", "c0_entrylo", "$3",
130 "c0_context", "$5", "$6", "$7",
131 "c0_badvaddr", "$9", "c0_entryhi", "$11",
132 "c0_sr", "c0_cause", "c0_epc", "c0_prid",
133 "$16", "$17", "$18", "$19",
134 "$20", "$21", "$22", "$23",
135 "$24", "$25", "$26", "$27",
136 "$28", "$29", "$30", "$31",
137};
138
139static const char * const mips_cp0_names_r4000[32] =
140{
141 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
142 "c0_context", "c0_pagemask", "c0_wired", "$7",
143 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
144 "c0_sr", "c0_cause", "c0_epc", "c0_prid",
145 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
146 "c0_xcontext", "$21", "$22", "$23",
147 "$24", "$25", "c0_ecc", "c0_cacheerr",
148 "c0_taglo", "c0_taghi", "c0_errorepc", "$31",
149};
150
47b0e7ad
NC
151static const char * const mips_cp0_names_mips3264[32] =
152{
640c0ccd
CD
153 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
154 "c0_context", "c0_pagemask", "c0_wired", "$7",
155 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
156 "c0_status", "c0_cause", "c0_epc", "c0_prid",
157 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
158 "c0_xcontext", "$21", "$22", "c0_debug",
159 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr",
160 "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave",
161};
162
47b0e7ad
NC
163static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] =
164{
bbcc0807
CD
165 { 16, 1, "c0_config1" },
166 { 16, 2, "c0_config2" },
167 { 16, 3, "c0_config3" },
168 { 18, 1, "c0_watchlo,1" },
169 { 18, 2, "c0_watchlo,2" },
170 { 18, 3, "c0_watchlo,3" },
171 { 18, 4, "c0_watchlo,4" },
172 { 18, 5, "c0_watchlo,5" },
173 { 18, 6, "c0_watchlo,6" },
174 { 18, 7, "c0_watchlo,7" },
175 { 19, 1, "c0_watchhi,1" },
176 { 19, 2, "c0_watchhi,2" },
177 { 19, 3, "c0_watchhi,3" },
178 { 19, 4, "c0_watchhi,4" },
179 { 19, 5, "c0_watchhi,5" },
180 { 19, 6, "c0_watchhi,6" },
181 { 19, 7, "c0_watchhi,7" },
182 { 25, 1, "c0_perfcnt,1" },
183 { 25, 2, "c0_perfcnt,2" },
184 { 25, 3, "c0_perfcnt,3" },
185 { 25, 4, "c0_perfcnt,4" },
186 { 25, 5, "c0_perfcnt,5" },
187 { 25, 6, "c0_perfcnt,6" },
188 { 25, 7, "c0_perfcnt,7" },
189 { 27, 1, "c0_cacheerr,1" },
190 { 27, 2, "c0_cacheerr,2" },
191 { 27, 3, "c0_cacheerr,3" },
192 { 28, 1, "c0_datalo" },
193 { 29, 1, "c0_datahi" }
194};
195
47b0e7ad
NC
196static const char * const mips_cp0_names_mips3264r2[32] =
197{
af7ee8bf
CD
198 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
199 "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena",
200 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
201 "c0_status", "c0_cause", "c0_epc", "c0_prid",
202 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
203 "c0_xcontext", "$21", "$22", "c0_debug",
204 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr",
205 "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave",
206};
207
47b0e7ad
NC
208static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] =
209{
bbcc0807 210 { 4, 1, "c0_contextconfig" },
59c455b3
TS
211 { 0, 1, "c0_mvpcontrol" },
212 { 0, 2, "c0_mvpconf0" },
213 { 0, 3, "c0_mvpconf1" },
214 { 1, 1, "c0_vpecontrol" },
215 { 1, 2, "c0_vpeconf0" },
216 { 1, 3, "c0_vpeconf1" },
217 { 1, 4, "c0_yqmask" },
218 { 1, 5, "c0_vpeschedule" },
219 { 1, 6, "c0_vpeschefback" },
220 { 2, 1, "c0_tcstatus" },
221 { 2, 2, "c0_tcbind" },
222 { 2, 3, "c0_tcrestart" },
223 { 2, 4, "c0_tchalt" },
224 { 2, 5, "c0_tccontext" },
225 { 2, 6, "c0_tcschedule" },
226 { 2, 7, "c0_tcschefback" },
bbcc0807 227 { 5, 1, "c0_pagegrain" },
59c455b3
TS
228 { 6, 1, "c0_srsconf0" },
229 { 6, 2, "c0_srsconf1" },
230 { 6, 3, "c0_srsconf2" },
231 { 6, 4, "c0_srsconf3" },
232 { 6, 5, "c0_srsconf4" },
bbcc0807
CD
233 { 12, 1, "c0_intctl" },
234 { 12, 2, "c0_srsctl" },
235 { 12, 3, "c0_srsmap" },
236 { 15, 1, "c0_ebase" },
237 { 16, 1, "c0_config1" },
238 { 16, 2, "c0_config2" },
239 { 16, 3, "c0_config3" },
240 { 18, 1, "c0_watchlo,1" },
241 { 18, 2, "c0_watchlo,2" },
242 { 18, 3, "c0_watchlo,3" },
243 { 18, 4, "c0_watchlo,4" },
244 { 18, 5, "c0_watchlo,5" },
245 { 18, 6, "c0_watchlo,6" },
246 { 18, 7, "c0_watchlo,7" },
247 { 19, 1, "c0_watchhi,1" },
248 { 19, 2, "c0_watchhi,2" },
249 { 19, 3, "c0_watchhi,3" },
250 { 19, 4, "c0_watchhi,4" },
251 { 19, 5, "c0_watchhi,5" },
252 { 19, 6, "c0_watchhi,6" },
253 { 19, 7, "c0_watchhi,7" },
254 { 23, 1, "c0_tracecontrol" },
255 { 23, 2, "c0_tracecontrol2" },
256 { 23, 3, "c0_usertracedata" },
257 { 23, 4, "c0_tracebpc" },
258 { 25, 1, "c0_perfcnt,1" },
259 { 25, 2, "c0_perfcnt,2" },
260 { 25, 3, "c0_perfcnt,3" },
261 { 25, 4, "c0_perfcnt,4" },
262 { 25, 5, "c0_perfcnt,5" },
263 { 25, 6, "c0_perfcnt,6" },
264 { 25, 7, "c0_perfcnt,7" },
265 { 27, 1, "c0_cacheerr,1" },
266 { 27, 2, "c0_cacheerr,2" },
267 { 27, 3, "c0_cacheerr,3" },
268 { 28, 1, "c0_datalo" },
269 { 28, 2, "c0_taglo1" },
270 { 28, 3, "c0_datalo1" },
271 { 28, 4, "c0_taglo2" },
272 { 28, 5, "c0_datalo2" },
273 { 28, 6, "c0_taglo3" },
274 { 28, 7, "c0_datalo3" },
275 { 29, 1, "c0_datahi" },
276 { 29, 2, "c0_taghi1" },
277 { 29, 3, "c0_datahi1" },
278 { 29, 4, "c0_taghi2" },
279 { 29, 5, "c0_datahi2" },
280 { 29, 6, "c0_taghi3" },
281 { 29, 7, "c0_datahi3" },
282};
283
640c0ccd 284/* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */
47b0e7ad
NC
285static const char * const mips_cp0_names_sb1[32] =
286{
640c0ccd
CD
287 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
288 "c0_context", "c0_pagemask", "c0_wired", "$7",
289 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
290 "c0_status", "c0_cause", "c0_epc", "c0_prid",
291 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
292 "c0_xcontext", "$21", "$22", "c0_debug",
293 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i",
294 "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave",
295};
296
47b0e7ad
NC
297static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] =
298{
bbcc0807
CD
299 { 16, 1, "c0_config1" },
300 { 18, 1, "c0_watchlo,1" },
301 { 19, 1, "c0_watchhi,1" },
302 { 22, 0, "c0_perftrace" },
303 { 23, 3, "c0_edebug" },
304 { 25, 1, "c0_perfcnt,1" },
305 { 25, 2, "c0_perfcnt,2" },
306 { 25, 3, "c0_perfcnt,3" },
307 { 25, 4, "c0_perfcnt,4" },
308 { 25, 5, "c0_perfcnt,5" },
309 { 25, 6, "c0_perfcnt,6" },
310 { 25, 7, "c0_perfcnt,7" },
311 { 26, 1, "c0_buserr_pa" },
312 { 27, 1, "c0_cacheerr_d" },
313 { 27, 3, "c0_cacheerr_d_pa" },
314 { 28, 1, "c0_datalo_i" },
315 { 28, 2, "c0_taglo_d" },
316 { 28, 3, "c0_datalo_d" },
317 { 29, 1, "c0_datahi_i" },
318 { 29, 2, "c0_taghi_d" },
319 { 29, 3, "c0_datahi_d" },
320};
321
52b6b6b9
JM
322/* Xlr cop0 register names. */
323static const char * const mips_cp0_names_xlr[32] = {
324 "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1",
325 "c0_context", "c0_pagemask", "c0_wired", "$7",
326 "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare",
327 "c0_status", "c0_cause", "c0_epc", "c0_prid",
328 "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi",
329 "c0_xcontext", "$21", "$22", "c0_debug",
330 "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i",
331 "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave",
332};
333
334/* XLR's CP0 Select Registers. */
335
336static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = {
337 { 9, 6, "c0_extintreq" },
338 { 9, 7, "c0_extintmask" },
339 { 15, 1, "c0_ebase" },
340 { 16, 1, "c0_config1" },
341 { 16, 2, "c0_config2" },
342 { 16, 3, "c0_config3" },
343 { 16, 7, "c0_procid2" },
344 { 18, 1, "c0_watchlo,1" },
345 { 18, 2, "c0_watchlo,2" },
346 { 18, 3, "c0_watchlo,3" },
347 { 18, 4, "c0_watchlo,4" },
348 { 18, 5, "c0_watchlo,5" },
349 { 18, 6, "c0_watchlo,6" },
350 { 18, 7, "c0_watchlo,7" },
351 { 19, 1, "c0_watchhi,1" },
352 { 19, 2, "c0_watchhi,2" },
353 { 19, 3, "c0_watchhi,3" },
354 { 19, 4, "c0_watchhi,4" },
355 { 19, 5, "c0_watchhi,5" },
356 { 19, 6, "c0_watchhi,6" },
357 { 19, 7, "c0_watchhi,7" },
358 { 25, 1, "c0_perfcnt,1" },
359 { 25, 2, "c0_perfcnt,2" },
360 { 25, 3, "c0_perfcnt,3" },
361 { 25, 4, "c0_perfcnt,4" },
362 { 25, 5, "c0_perfcnt,5" },
363 { 25, 6, "c0_perfcnt,6" },
364 { 25, 7, "c0_perfcnt,7" },
365 { 27, 1, "c0_cacheerr,1" },
366 { 27, 2, "c0_cacheerr,2" },
367 { 27, 3, "c0_cacheerr,3" },
368 { 28, 1, "c0_datalo" },
369 { 29, 1, "c0_datahi" }
370};
371
47b0e7ad
NC
372static const char * const mips_hwr_names_numeric[32] =
373{
af7ee8bf
CD
374 "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7",
375 "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
376 "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
377 "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
378};
379
47b0e7ad
NC
380static const char * const mips_hwr_names_mips3264r2[32] =
381{
af7ee8bf
CD
382 "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres",
383 "$4", "$5", "$6", "$7",
384 "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15",
385 "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23",
386 "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31"
387};
388
47b0e7ad
NC
389struct mips_abi_choice
390{
391 const char * name;
640c0ccd
CD
392 const char * const *gpr_names;
393 const char * const *fpr_names;
394};
395
47b0e7ad
NC
396struct mips_abi_choice mips_abi_choices[] =
397{
640c0ccd
CD
398 { "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric },
399 { "32", mips_gpr_names_oldabi, mips_fpr_names_32 },
400 { "n32", mips_gpr_names_newabi, mips_fpr_names_n32 },
401 { "64", mips_gpr_names_newabi, mips_fpr_names_64 },
402};
403
47b0e7ad
NC
404struct mips_arch_choice
405{
640c0ccd
CD
406 const char *name;
407 int bfd_mach_valid;
408 unsigned long bfd_mach;
409 int processor;
410 int isa;
411 const char * const *cp0_names;
bbcc0807
CD
412 const struct mips_cp0sel_name *cp0sel_names;
413 unsigned int cp0sel_names_len;
af7ee8bf 414 const char * const *hwr_names;
640c0ccd
CD
415};
416
47b0e7ad
NC
417const struct mips_arch_choice mips_arch_choices[] =
418{
640c0ccd 419 { "numeric", 0, 0, 0, 0,
bbcc0807
CD
420 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
421
640c0ccd 422 { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1,
f409fd1e 423 mips_cp0_names_r3000, NULL, 0, mips_hwr_names_numeric },
640c0ccd 424 { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1,
bbcc0807 425 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 426 { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3,
f409fd1e 427 mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric },
640c0ccd 428 { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2,
bbcc0807 429 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 430 { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3,
bbcc0807 431 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 432 { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3,
bbcc0807 433 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 434 { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3,
bbcc0807 435 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 436 { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3,
bbcc0807 437 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 438 { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3,
f409fd1e 439 mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric },
640c0ccd 440 { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3,
bbcc0807 441 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 442 { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3,
bbcc0807 443 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 444 { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4,
bbcc0807 445 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 446 { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4,
bbcc0807 447 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 448 { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4,
bbcc0807 449 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 450 { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2,
bbcc0807 451 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
5a7ea749
RS
452 { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4,
453 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
454 { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4,
455 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 456 { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4,
bbcc0807 457 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 458 { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4,
bbcc0807 459 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 460 { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4,
bbcc0807 461 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
3aa3176b
TS
462 { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4,
463 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
464 { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4,
465 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd 466 { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5,
bbcc0807
CD
467 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
468
640c0ccd
CD
469 /* For stock MIPS32, disassemble all applicable MIPS-specified ASEs.
470 Note that MIPS-3D and MDMX are not applicable to MIPS32. (See
471 _MIPS32 Architecture For Programmers Volume I: Introduction to the
472 MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95),
473 page 1. */
474 { "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32,
f79e2745 475 ISA_MIPS32 | INSN_SMARTMIPS,
bbcc0807
CD
476 mips_cp0_names_mips3264,
477 mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
478 mips_hwr_names_numeric },
479
af7ee8bf 480 { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2,
f79e2745 481 (ISA_MIPS32R2 | INSN_SMARTMIPS | INSN_DSP | INSN_DSPR2
8b082fb1 482 | INSN_MIPS3D | INSN_MT),
bbcc0807
CD
483 mips_cp0_names_mips3264r2,
484 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
485 mips_hwr_names_mips3264r2 },
486
640c0ccd
CD
487 /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */
488 { "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64,
f79e2745 489 ISA_MIPS64 | INSN_MIPS3D | INSN_MDMX,
bbcc0807
CD
490 mips_cp0_names_mips3264,
491 mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
492 mips_hwr_names_numeric },
493
5f74bc13 494 { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2,
f79e2745 495 (ISA_MIPS64R2 | INSN_MIPS3D | INSN_DSP | INSN_DSPR2
8b082fb1 496 | INSN_DSP64 | INSN_MT | INSN_MDMX),
5f74bc13
CD
497 mips_cp0_names_mips3264r2,
498 mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
499 mips_hwr_names_mips3264r2 },
500
640c0ccd
CD
501 { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1,
502 ISA_MIPS64 | INSN_MIPS3D | INSN_SB1,
bbcc0807
CD
503 mips_cp0_names_sb1,
504 mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1),
505 mips_hwr_names_numeric },
640c0ccd 506
350cc38d
MS
507 { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E,
508 ISA_MIPS3 | INSN_LOONGSON_2E, mips_cp0_names_numeric,
509 NULL, 0, mips_hwr_names_numeric },
510
511 { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F,
512 ISA_MIPS3 | INSN_LOONGSON_2F, mips_cp0_names_numeric,
513 NULL, 0, mips_hwr_names_numeric },
514
fd503541
NC
515 { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A,
516 ISA_MIPS64 | INSN_LOONGSON_3A, mips_cp0_names_numeric,
517 NULL, 0, mips_hwr_names_numeric },
518
57b592a3
AN
519 { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON,
520 ISA_MIPS64R2 | INSN_OCTEON, mips_cp0_names_numeric, NULL, 0,
521 mips_hwr_names_numeric },
522
52b6b6b9
JM
523 { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR,
524 ISA_MIPS64 | INSN_XLR,
525 mips_cp0_names_xlr,
526 mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
527 mips_hwr_names_numeric },
528
640c0ccd
CD
529 /* This entry, mips16, is here only for ISA/processor selection; do
530 not print its name. */
f79e2745 531 { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3,
bbcc0807 532 mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
640c0ccd
CD
533};
534
535/* ISA and processor type to disassemble for, and register names to use.
536 set_default_mips_dis_options and parse_mips_dis_options fill in these
537 values. */
538static int mips_processor;
539static int mips_isa;
540static const char * const *mips_gpr_names;
541static const char * const *mips_fpr_names;
542static const char * const *mips_cp0_names;
bbcc0807
CD
543static const struct mips_cp0sel_name *mips_cp0sel_names;
544static int mips_cp0sel_names_len;
af7ee8bf 545static const char * const *mips_hwr_names;
640c0ccd 546
986e18a5 547/* Other options */
47b0e7ad 548static int no_aliases; /* If set disassemble as most general inst. */
640c0ccd
CD
549\f
550static const struct mips_abi_choice *
47b0e7ad 551choose_abi_by_name (const char *name, unsigned int namelen)
640c0ccd
CD
552{
553 const struct mips_abi_choice *c;
554 unsigned int i;
555
556 for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++)
47b0e7ad
NC
557 if (strncmp (mips_abi_choices[i].name, name, namelen) == 0
558 && strlen (mips_abi_choices[i].name) == namelen)
559 c = &mips_abi_choices[i];
560
640c0ccd
CD
561 return c;
562}
563
564static const struct mips_arch_choice *
47b0e7ad 565choose_arch_by_name (const char *name, unsigned int namelen)
640c0ccd
CD
566{
567 const struct mips_arch_choice *c = NULL;
568 unsigned int i;
569
570 for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++)
47b0e7ad
NC
571 if (strncmp (mips_arch_choices[i].name, name, namelen) == 0
572 && strlen (mips_arch_choices[i].name) == namelen)
573 c = &mips_arch_choices[i];
574
640c0ccd
CD
575 return c;
576}
577
578static const struct mips_arch_choice *
47b0e7ad 579choose_arch_by_number (unsigned long mach)
640c0ccd
CD
580{
581 static unsigned long hint_bfd_mach;
582 static const struct mips_arch_choice *hint_arch_choice;
583 const struct mips_arch_choice *c;
584 unsigned int i;
585
586 /* We optimize this because even if the user specifies no
587 flags, this will be done for every instruction! */
588 if (hint_bfd_mach == mach
589 && hint_arch_choice != NULL
590 && hint_arch_choice->bfd_mach == hint_bfd_mach)
591 return hint_arch_choice;
592
593 for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++)
594 {
595 if (mips_arch_choices[i].bfd_mach_valid
596 && mips_arch_choices[i].bfd_mach == mach)
597 {
598 c = &mips_arch_choices[i];
599 hint_bfd_mach = mach;
600 hint_arch_choice = c;
601 }
602 }
603 return c;
604}
605
47b0e7ad
NC
606/* Check if the object uses NewABI conventions. */
607
608static int
609is_newabi (Elf_Internal_Ehdr *header)
610{
611 /* There are no old-style ABIs which use 64-bit ELF. */
612 if (header->e_ident[EI_CLASS] == ELFCLASS64)
613 return 1;
614
615 /* If a 32-bit ELF file, n32 is a new-style ABI. */
616 if ((header->e_flags & EF_MIPS_ABI2) != 0)
617 return 1;
618
619 return 0;
620}
621
622static void
623set_default_mips_dis_options (struct disassemble_info *info)
640c0ccd
CD
624{
625 const struct mips_arch_choice *chosen_arch;
626
627 /* Defaults: mipsIII/r3000 (?!), (o)32-style ("oldabi") GPR names,
af7ee8bf 628 and numeric FPR, CP0 register, and HWR names. */
640c0ccd
CD
629 mips_isa = ISA_MIPS3;
630 mips_processor = CPU_R3000;
631 mips_gpr_names = mips_gpr_names_oldabi;
632 mips_fpr_names = mips_fpr_names_numeric;
633 mips_cp0_names = mips_cp0_names_numeric;
bbcc0807
CD
634 mips_cp0sel_names = NULL;
635 mips_cp0sel_names_len = 0;
af7ee8bf 636 mips_hwr_names = mips_hwr_names_numeric;
986e18a5 637 no_aliases = 0;
640c0ccd
CD
638
639 /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */
fec06546 640 if (info->flavour == bfd_target_elf_flavour && info->section != NULL)
640c0ccd
CD
641 {
642 Elf_Internal_Ehdr *header;
643
fec06546 644 header = elf_elfheader (info->section->owner);
640c0ccd
CD
645 if (is_newabi (header))
646 mips_gpr_names = mips_gpr_names_newabi;
647 }
648
649 /* Set ISA, architecture, and cp0 register names as best we can. */
650#if ! SYMTAB_AVAILABLE
651 /* This is running out on a target machine, not in a host tool.
652 FIXME: Where does mips_target_info come from? */
653 target_processor = mips_target_info.processor;
654 mips_isa = mips_target_info.isa;
655#else
656 chosen_arch = choose_arch_by_number (info->mach);
657 if (chosen_arch != NULL)
658 {
659 mips_processor = chosen_arch->processor;
660 mips_isa = chosen_arch->isa;
bbcc0807
CD
661 mips_cp0_names = chosen_arch->cp0_names;
662 mips_cp0sel_names = chosen_arch->cp0sel_names;
663 mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
664 mips_hwr_names = chosen_arch->hwr_names;
640c0ccd
CD
665 }
666#endif
667}
668
47b0e7ad
NC
669static void
670parse_mips_dis_option (const char *option, unsigned int len)
640c0ccd
CD
671{
672 unsigned int i, optionlen, vallen;
673 const char *val;
674 const struct mips_abi_choice *chosen_abi;
675 const struct mips_arch_choice *chosen_arch;
676
986e18a5 677 /* Try to match options that are simple flags */
0112cd26 678 if (CONST_STRNEQ (option, "no-aliases"))
986e18a5
FF
679 {
680 no_aliases = 1;
681 return;
682 }
683
640c0ccd
CD
684 /* Look for the = that delimits the end of the option name. */
685 for (i = 0; i < len; i++)
47b0e7ad
NC
686 if (option[i] == '=')
687 break;
688
640c0ccd
CD
689 if (i == 0) /* Invalid option: no name before '='. */
690 return;
691 if (i == len) /* Invalid option: no '='. */
692 return;
693 if (i == (len - 1)) /* Invalid option: no value after '='. */
694 return;
695
696 optionlen = i;
697 val = option + (optionlen + 1);
698 vallen = len - (optionlen + 1);
699
47b0e7ad
NC
700 if (strncmp ("gpr-names", option, optionlen) == 0
701 && strlen ("gpr-names") == optionlen)
640c0ccd
CD
702 {
703 chosen_abi = choose_abi_by_name (val, vallen);
bbcc0807 704 if (chosen_abi != NULL)
640c0ccd
CD
705 mips_gpr_names = chosen_abi->gpr_names;
706 return;
707 }
708
47b0e7ad
NC
709 if (strncmp ("fpr-names", option, optionlen) == 0
710 && strlen ("fpr-names") == optionlen)
640c0ccd
CD
711 {
712 chosen_abi = choose_abi_by_name (val, vallen);
bbcc0807 713 if (chosen_abi != NULL)
640c0ccd
CD
714 mips_fpr_names = chosen_abi->fpr_names;
715 return;
716 }
717
47b0e7ad
NC
718 if (strncmp ("cp0-names", option, optionlen) == 0
719 && strlen ("cp0-names") == optionlen)
640c0ccd
CD
720 {
721 chosen_arch = choose_arch_by_name (val, vallen);
bbcc0807
CD
722 if (chosen_arch != NULL)
723 {
724 mips_cp0_names = chosen_arch->cp0_names;
725 mips_cp0sel_names = chosen_arch->cp0sel_names;
726 mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
727 }
640c0ccd
CD
728 return;
729 }
730
47b0e7ad
NC
731 if (strncmp ("hwr-names", option, optionlen) == 0
732 && strlen ("hwr-names") == optionlen)
af7ee8bf
CD
733 {
734 chosen_arch = choose_arch_by_name (val, vallen);
bbcc0807 735 if (chosen_arch != NULL)
af7ee8bf
CD
736 mips_hwr_names = chosen_arch->hwr_names;
737 return;
738 }
739
47b0e7ad
NC
740 if (strncmp ("reg-names", option, optionlen) == 0
741 && strlen ("reg-names") == optionlen)
640c0ccd
CD
742 {
743 /* We check both ABI and ARCH here unconditionally, so
744 that "numeric" will do the desirable thing: select
745 numeric register names for all registers. Other than
746 that, a given name probably won't match both. */
747 chosen_abi = choose_abi_by_name (val, vallen);
748 if (chosen_abi != NULL)
749 {
bbcc0807
CD
750 mips_gpr_names = chosen_abi->gpr_names;
751 mips_fpr_names = chosen_abi->fpr_names;
640c0ccd
CD
752 }
753 chosen_arch = choose_arch_by_name (val, vallen);
754 if (chosen_arch != NULL)
755 {
bbcc0807
CD
756 mips_cp0_names = chosen_arch->cp0_names;
757 mips_cp0sel_names = chosen_arch->cp0sel_names;
758 mips_cp0sel_names_len = chosen_arch->cp0sel_names_len;
759 mips_hwr_names = chosen_arch->hwr_names;
640c0ccd
CD
760 }
761 return;
762 }
763
764 /* Invalid option. */
765}
766
47b0e7ad
NC
767static void
768parse_mips_dis_options (const char *options)
640c0ccd
CD
769{
770 const char *option_end;
771
772 if (options == NULL)
773 return;
774
775 while (*options != '\0')
776 {
777 /* Skip empty options. */
778 if (*options == ',')
779 {
780 options++;
781 continue;
782 }
783
784 /* We know that *options is neither NUL or a comma. */
785 option_end = options + 1;
786 while (*option_end != ',' && *option_end != '\0')
787 option_end++;
788
789 parse_mips_dis_option (options, option_end - options);
790
791 /* Go on to the next one. If option_end points to a comma, it
792 will be skipped above. */
793 options = option_end;
794 }
795}
796
bbcc0807 797static const struct mips_cp0sel_name *
47b0e7ad
NC
798lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names,
799 unsigned int len,
800 unsigned int cp0reg,
801 unsigned int sel)
bbcc0807
CD
802{
803 unsigned int i;
804
805 for (i = 0; i < len; i++)
806 if (names[i].cp0reg == cp0reg && names[i].sel == sel)
807 return &names[i];
808 return NULL;
809}
252b5132 810\f
7f6621cd 811/* Print insn arguments for 32/64-bit code. */
aa5f19f2 812
794ac9d0 813static void
47b0e7ad
NC
814print_insn_args (const char *d,
815 register unsigned long int l,
816 bfd_vma pc,
cc0ca239
TS
817 struct disassemble_info *info,
818 const struct mips_opcode *opp)
252b5132 819{
794ac9d0 820 int op, delta;
440cc0bc
CD
821 unsigned int lsb, msb, msbd;
822
823 lsb = 0;
252b5132 824
794ac9d0 825 for (; *d != '\0'; d++)
252b5132 826 {
af7ee8bf
CD
827 switch (*d)
828 {
794ac9d0
CD
829 case ',':
830 case '(':
831 case ')':
832 case '[':
833 case ']':
834 (*info->fprintf_func) (info->stream, "%c", *d);
835 break;
836
837 case '+':
838 /* Extension character; switch for second char. */
839 d++;
840 switch (*d)
841 {
842 case '\0':
843 /* xgettext:c-format */
844 (*info->fprintf_func) (info->stream,
845 _("# internal error, incomplete extension sequence (+)"));
846 return;
847
848 case 'A':
440cc0bc
CD
849 lsb = (l >> OP_SH_SHAMT) & OP_MASK_SHAMT;
850 (*info->fprintf_func) (info->stream, "0x%x", lsb);
794ac9d0
CD
851 break;
852
853 case 'B':
440cc0bc
CD
854 msb = (l >> OP_SH_INSMSB) & OP_MASK_INSMSB;
855 (*info->fprintf_func) (info->stream, "0x%x", msb - lsb + 1);
794ac9d0
CD
856 break;
857
9bcd4f99
TS
858 case '1':
859 (*info->fprintf_func) (info->stream, "0x%lx",
860 (l >> OP_SH_UDI1) & OP_MASK_UDI1);
861 break;
862
863 case '2':
864 (*info->fprintf_func) (info->stream, "0x%lx",
865 (l >> OP_SH_UDI2) & OP_MASK_UDI2);
866 break;
867
868 case '3':
869 (*info->fprintf_func) (info->stream, "0x%lx",
870 (l >> OP_SH_UDI3) & OP_MASK_UDI3);
871 break;
872
873 case '4':
874 (*info->fprintf_func) (info->stream, "0x%lx",
875 (l >> OP_SH_UDI4) & OP_MASK_UDI4);
876 break;
877
794ac9d0 878 case 'C':
5f74bc13 879 case 'H':
440cc0bc
CD
880 msbd = (l >> OP_SH_EXTMSBD) & OP_MASK_EXTMSBD;
881 (*info->fprintf_func) (info->stream, "0x%x", msbd + 1);
794ac9d0
CD
882 break;
883
884 case 'D':
885 {
886 const struct mips_cp0sel_name *n;
887 unsigned int cp0reg, sel;
888
889 cp0reg = (l >> OP_SH_RD) & OP_MASK_RD;
890 sel = (l >> OP_SH_SEL) & OP_MASK_SEL;
891
892 /* CP0 register including 'sel' code for mtcN (et al.), to be
893 printed textually if known. If not known, print both
894 CP0 register name and sel numerically since CP0 register
895 with sel 0 may have a name unrelated to register being
896 printed. */
897 n = lookup_mips_cp0sel_name(mips_cp0sel_names,
898 mips_cp0sel_names_len, cp0reg, sel);
899 if (n != NULL)
900 (*info->fprintf_func) (info->stream, "%s", n->name);
901 else
902 (*info->fprintf_func) (info->stream, "$%d,%d", cp0reg, sel);
903 break;
904 }
905
5f74bc13
CD
906 case 'E':
907 lsb = ((l >> OP_SH_SHAMT) & OP_MASK_SHAMT) + 32;
908 (*info->fprintf_func) (info->stream, "0x%x", lsb);
909 break;
910
911 case 'F':
912 msb = ((l >> OP_SH_INSMSB) & OP_MASK_INSMSB) + 32;
913 (*info->fprintf_func) (info->stream, "0x%x", msb - lsb + 1);
914 break;
915
916 case 'G':
917 msbd = ((l >> OP_SH_EXTMSBD) & OP_MASK_EXTMSBD) + 32;
918 (*info->fprintf_func) (info->stream, "0x%x", msbd + 1);
919 break;
920
61cc0267
CF
921 case 't': /* Coprocessor 0 reg name */
922 (*info->fprintf_func) (info->stream, "%s",
923 mips_cp0_names[(l >> OP_SH_RT) &
924 OP_MASK_RT]);
925 break;
926
927 case 'T': /* Coprocessor 0 reg name */
928 {
929 const struct mips_cp0sel_name *n;
930 unsigned int cp0reg, sel;
931
932 cp0reg = (l >> OP_SH_RT) & OP_MASK_RT;
933 sel = (l >> OP_SH_SEL) & OP_MASK_SEL;
934
935 /* CP0 register including 'sel' code for mftc0, to be
936 printed textually if known. If not known, print both
937 CP0 register name and sel numerically since CP0 register
938 with sel 0 may have a name unrelated to register being
939 printed. */
940 n = lookup_mips_cp0sel_name(mips_cp0sel_names,
941 mips_cp0sel_names_len, cp0reg, sel);
942 if (n != NULL)
943 (*info->fprintf_func) (info->stream, "%s", n->name);
944 else
945 (*info->fprintf_func) (info->stream, "$%d,%d", cp0reg, sel);
946 break;
947 }
948
bb35fb24
NC
949 case 'x': /* bbit bit index */
950 (*info->fprintf_func) (info->stream, "0x%lx",
951 (l >> OP_SH_BBITIND) & OP_MASK_BBITIND);
952 break;
953
954 case 'p': /* cins, cins32, exts and exts32 position */
955 (*info->fprintf_func) (info->stream, "0x%lx",
956 (l >> OP_SH_CINSPOS) & OP_MASK_CINSPOS);
957 break;
958
959 case 's': /* cins and exts length-minus-one */
960 (*info->fprintf_func) (info->stream, "0x%lx",
961 (l >> OP_SH_CINSLM1) & OP_MASK_CINSLM1);
962 break;
963
964 case 'S': /* cins32 and exts32 length-minus-one field */
965 (*info->fprintf_func) (info->stream, "0x%lx",
966 (l >> OP_SH_CINSLM1) & OP_MASK_CINSLM1);
967 break;
968
dd3cbb7e
NC
969 case 'Q': /* seqi/snei immediate field */
970 op = (l >> OP_SH_SEQI) & OP_MASK_SEQI;
971 /* Sign-extend it. */
972 op = (op ^ 512) - 512;
973 (*info->fprintf_func) (info->stream, "%d", op);
974 break;
975
98675402
RS
976 case 'a': /* 8-bit signed offset in bit 6 */
977 delta = (l >> OP_SH_OFFSET_A) & OP_MASK_OFFSET_A;
978 if (delta & 0x80)
979 delta |= ~OP_MASK_OFFSET_A;
980 (*info->fprintf_func) (info->stream, "%d", delta);
981 break;
982
983 case 'b': /* 8-bit signed offset in bit 3 */
984 delta = (l >> OP_SH_OFFSET_B) & OP_MASK_OFFSET_B;
985 if (delta & 0x80)
986 delta |= ~OP_MASK_OFFSET_B;
987 (*info->fprintf_func) (info->stream, "%d", delta);
988 break;
989
990 case 'c': /* 9-bit signed offset in bit 6 */
991 delta = (l >> OP_SH_OFFSET_C) & OP_MASK_OFFSET_C;
992 if (delta & 0x100)
993 delta |= ~OP_MASK_OFFSET_C;
c95354ed
MX
994 /* Left shift 4 bits to print the real offset. */
995 (*info->fprintf_func) (info->stream, "%d", delta << 4);
98675402
RS
996 break;
997
998 case 'z':
999 (*info->fprintf_func) (info->stream, "%s",
1000 mips_gpr_names[(l >> OP_SH_RZ) & OP_MASK_RZ]);
1001 break;
1002
1003 case 'Z':
1004 (*info->fprintf_func) (info->stream, "%s",
1005 mips_fpr_names[(l >> OP_SH_FZ) & OP_MASK_FZ]);
1006 break;
1007
794ac9d0
CD
1008 default:
1009 /* xgettext:c-format */
1010 (*info->fprintf_func) (info->stream,
1011 _("# internal error, undefined extension sequence (+%c)"),
1012 *d);
1013 return;
1014 }
1015 break;
1016
8b082fb1
TS
1017 case '2':
1018 (*info->fprintf_func) (info->stream, "0x%lx",
1019 (l >> OP_SH_BP) & OP_MASK_BP);
1020 break;
1021
fd25c5a9
CF
1022 case '3':
1023 (*info->fprintf_func) (info->stream, "0x%lx",
1024 (l >> OP_SH_SA3) & OP_MASK_SA3);
1025 break;
1026
1027 case '4':
1028 (*info->fprintf_func) (info->stream, "0x%lx",
1029 (l >> OP_SH_SA4) & OP_MASK_SA4);
1030 break;
1031
1032 case '5':
1033 (*info->fprintf_func) (info->stream, "0x%lx",
1034 (l >> OP_SH_IMM8) & OP_MASK_IMM8);
1035 break;
1036
1037 case '6':
1038 (*info->fprintf_func) (info->stream, "0x%lx",
1039 (l >> OP_SH_RS) & OP_MASK_RS);
1040 break;
1041
1042 case '7':
1043 (*info->fprintf_func) (info->stream, "$ac%ld",
1044 (l >> OP_SH_DSPACC) & OP_MASK_DSPACC);
1045 break;
1046
1047 case '8':
1048 (*info->fprintf_func) (info->stream, "0x%lx",
1049 (l >> OP_SH_WRDSP) & OP_MASK_WRDSP);
1050 break;
1051
1052 case '9':
1053 (*info->fprintf_func) (info->stream, "$ac%ld",
1054 (l >> OP_SH_DSPACC_S) & OP_MASK_DSPACC_S);
1055 break;
1056
1057 case '0': /* dsp 6-bit signed immediate in bit 20 */
1058 delta = ((l >> OP_SH_DSPSFT) & OP_MASK_DSPSFT);
1059 if (delta & 0x20) /* test sign bit */
1060 delta |= ~OP_MASK_DSPSFT;
1061 (*info->fprintf_func) (info->stream, "%d", delta);
1062 break;
1063
1064 case ':': /* dsp 7-bit signed immediate in bit 19 */
1065 delta = ((l >> OP_SH_DSPSFT_7) & OP_MASK_DSPSFT_7);
1066 if (delta & 0x40) /* test sign bit */
1067 delta |= ~OP_MASK_DSPSFT_7;
1068 (*info->fprintf_func) (info->stream, "%d", delta);
1069 break;
1070
1071 case '\'':
1072 (*info->fprintf_func) (info->stream, "0x%lx",
1073 (l >> OP_SH_RDDSP) & OP_MASK_RDDSP);
1074 break;
1075
1076 case '@': /* dsp 10-bit signed immediate in bit 16 */
1077 delta = ((l >> OP_SH_IMM10) & OP_MASK_IMM10);
1078 if (delta & 0x200) /* test sign bit */
1079 delta |= ~OP_MASK_IMM10;
1080 (*info->fprintf_func) (info->stream, "%d", delta);
1081 break;
1082
61cc0267
CF
1083 case '!':
1084 (*info->fprintf_func) (info->stream, "%ld",
1085 (l >> OP_SH_MT_U) & OP_MASK_MT_U);
1086 break;
1087
1088 case '$':
1089 (*info->fprintf_func) (info->stream, "%ld",
1090 (l >> OP_SH_MT_H) & OP_MASK_MT_H);
1091 break;
1092
1093 case '*':
1094 (*info->fprintf_func) (info->stream, "$ac%ld",
1095 (l >> OP_SH_MTACC_T) & OP_MASK_MTACC_T);
1096 break;
1097
1098 case '&':
1099 (*info->fprintf_func) (info->stream, "$ac%ld",
1100 (l >> OP_SH_MTACC_D) & OP_MASK_MTACC_D);
1101 break;
1102
1103 case 'g':
1104 /* Coprocessor register for CTTC1, MTTC2, MTHC2, CTTC2. */
1105 (*info->fprintf_func) (info->stream, "$%ld",
1106 (l >> OP_SH_RD) & OP_MASK_RD);
1107 break;
1108
794ac9d0
CD
1109 case 's':
1110 case 'b':
1111 case 'r':
1112 case 'v':
1113 (*info->fprintf_func) (info->stream, "%s",
1114 mips_gpr_names[(l >> OP_SH_RS) & OP_MASK_RS]);
1115 break;
1116
1117 case 't':
1118 case 'w':
1119 (*info->fprintf_func) (info->stream, "%s",
1120 mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]);
1121 break;
1122
1123 case 'i':
1124 case 'u':
0fd3a477 1125 (*info->fprintf_func) (info->stream, "0x%lx",
794ac9d0
CD
1126 (l >> OP_SH_IMMEDIATE) & OP_MASK_IMMEDIATE);
1127 break;
1128
1129 case 'j': /* Same as i, but sign-extended. */
1130 case 'o':
1131 delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA;
1132 if (delta & 0x8000)
1133 delta |= ~0xffff;
1134 (*info->fprintf_func) (info->stream, "%d",
1135 delta);
1136 break;
1137
1138 case 'h':
1139 (*info->fprintf_func) (info->stream, "0x%x",
1140 (unsigned int) ((l >> OP_SH_PREFX)
1141 & OP_MASK_PREFX));
1142 break;
1143
1144 case 'k':
1145 (*info->fprintf_func) (info->stream, "0x%x",
1146 (unsigned int) ((l >> OP_SH_CACHE)
1147 & OP_MASK_CACHE));
1148 break;
1149
1150 case 'a':
1151 info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff)
1152 | (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2));
022fac6d
TS
1153 /* For gdb disassembler, force odd address on jalx. */
1154 if (info->flavour == bfd_target_unknown_flavour
1155 && strcmp (opp->name, "jalx") == 0)
1156 info->target |= 1;
794ac9d0
CD
1157 (*info->print_address_func) (info->target, info);
1158 break;
1159
1160 case 'p':
1161 /* Sign extend the displacement. */
1162 delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA;
1163 if (delta & 0x8000)
1164 delta |= ~0xffff;
1165 info->target = (delta << 2) + pc + INSNLEN;
1166 (*info->print_address_func) (info->target, info);
1167 break;
1168
1169 case 'd':
1170 (*info->fprintf_func) (info->stream, "%s",
1171 mips_gpr_names[(l >> OP_SH_RD) & OP_MASK_RD]);
1172 break;
1173
1174 case 'U':
1175 {
1176 /* First check for both rd and rt being equal. */
1177 unsigned int reg = (l >> OP_SH_RD) & OP_MASK_RD;
1178 if (reg == ((l >> OP_SH_RT) & OP_MASK_RT))
1179 (*info->fprintf_func) (info->stream, "%s",
1180 mips_gpr_names[reg]);
1181 else
1182 {
1183 /* If one is zero use the other. */
1184 if (reg == 0)
1185 (*info->fprintf_func) (info->stream, "%s",
1186 mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]);
1187 else if (((l >> OP_SH_RT) & OP_MASK_RT) == 0)
1188 (*info->fprintf_func) (info->stream, "%s",
1189 mips_gpr_names[reg]);
1190 else /* Bogus, result depends on processor. */
1191 (*info->fprintf_func) (info->stream, "%s or %s",
1192 mips_gpr_names[reg],
1193 mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]);
1194 }
1195 }
1196 break;
1197
1198 case 'z':
1199 (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]);
1200 break;
1201
1202 case '<':
4dc48ef6 1203 case '1':
0fd3a477 1204 (*info->fprintf_func) (info->stream, "0x%lx",
af7ee8bf
CD
1205 (l >> OP_SH_SHAMT) & OP_MASK_SHAMT);
1206 break;
794ac9d0
CD
1207
1208 case 'c':
0fd3a477 1209 (*info->fprintf_func) (info->stream, "0x%lx",
794ac9d0
CD
1210 (l >> OP_SH_CODE) & OP_MASK_CODE);
1211 break;
1212
1213 case 'q':
0fd3a477 1214 (*info->fprintf_func) (info->stream, "0x%lx",
794ac9d0 1215 (l >> OP_SH_CODE2) & OP_MASK_CODE2);
af7ee8bf
CD
1216 break;
1217
1218 case 'C':
0fd3a477 1219 (*info->fprintf_func) (info->stream, "0x%lx",
794ac9d0
CD
1220 (l >> OP_SH_COPZ) & OP_MASK_COPZ);
1221 break;
1222
1223 case 'B':
0fd3a477
JW
1224 (*info->fprintf_func) (info->stream, "0x%lx",
1225
794ac9d0
CD
1226 (l >> OP_SH_CODE20) & OP_MASK_CODE20);
1227 break;
1228
1229 case 'J':
0fd3a477 1230 (*info->fprintf_func) (info->stream, "0x%lx",
794ac9d0
CD
1231 (l >> OP_SH_CODE19) & OP_MASK_CODE19);
1232 break;
1233
1234 case 'S':
1235 case 'V':
1236 (*info->fprintf_func) (info->stream, "%s",
1237 mips_fpr_names[(l >> OP_SH_FS) & OP_MASK_FS]);
1238 break;
1239
1240 case 'T':
1241 case 'W':
1242 (*info->fprintf_func) (info->stream, "%s",
1243 mips_fpr_names[(l >> OP_SH_FT) & OP_MASK_FT]);
af7ee8bf
CD
1244 break;
1245
bbcc0807 1246 case 'D':
794ac9d0
CD
1247 (*info->fprintf_func) (info->stream, "%s",
1248 mips_fpr_names[(l >> OP_SH_FD) & OP_MASK_FD]);
1249 break;
1250
1251 case 'R':
1252 (*info->fprintf_func) (info->stream, "%s",
1253 mips_fpr_names[(l >> OP_SH_FR) & OP_MASK_FR]);
1254 break;
1255
1256 case 'E':
1257 /* Coprocessor register for lwcN instructions, et al.
1258
1259 Note that there is no load/store cp0 instructions, and
1260 that FPU (cp1) instructions disassemble this field using
1261 'T' format. Therefore, until we gain understanding of
1262 cp2 register names, we can simply print the register
1263 numbers. */
0fd3a477 1264 (*info->fprintf_func) (info->stream, "$%ld",
794ac9d0
CD
1265 (l >> OP_SH_RT) & OP_MASK_RT);
1266 break;
1267
1268 case 'G':
1269 /* Coprocessor register for mtcN instructions, et al. Note
1270 that FPU (cp1) instructions disassemble this field using
1271 'S' format. Therefore, we only need to worry about cp0,
1272 cp2, and cp3. */
1273 op = (l >> OP_SH_OP) & OP_MASK_OP;
1274 if (op == OP_OP_COP0)
1275 (*info->fprintf_func) (info->stream, "%s",
1276 mips_cp0_names[(l >> OP_SH_RD) & OP_MASK_RD]);
1277 else
0fd3a477 1278 (*info->fprintf_func) (info->stream, "$%ld",
794ac9d0
CD
1279 (l >> OP_SH_RD) & OP_MASK_RD);
1280 break;
1281
1282 case 'K':
1283 (*info->fprintf_func) (info->stream, "%s",
1284 mips_hwr_names[(l >> OP_SH_RD) & OP_MASK_RD]);
1285 break;
1286
1287 case 'N':
0d09bfe6
TS
1288 (*info->fprintf_func) (info->stream,
1289 ((opp->pinfo & (FP_D | FP_S)) != 0
1290 ? "$fcc%ld" : "$cc%ld"),
794ac9d0
CD
1291 (l >> OP_SH_BCC) & OP_MASK_BCC);
1292 break;
1293
1294 case 'M':
0fd3a477 1295 (*info->fprintf_func) (info->stream, "$fcc%ld",
794ac9d0
CD
1296 (l >> OP_SH_CCC) & OP_MASK_CCC);
1297 break;
1298
1299 case 'P':
0fd3a477 1300 (*info->fprintf_func) (info->stream, "%ld",
794ac9d0
CD
1301 (l >> OP_SH_PERFREG) & OP_MASK_PERFREG);
1302 break;
1303
1304 case 'e':
0fd3a477 1305 (*info->fprintf_func) (info->stream, "%ld",
794ac9d0
CD
1306 (l >> OP_SH_VECBYTE) & OP_MASK_VECBYTE);
1307 break;
1308
1309 case '%':
0fd3a477 1310 (*info->fprintf_func) (info->stream, "%ld",
794ac9d0
CD
1311 (l >> OP_SH_VECALIGN) & OP_MASK_VECALIGN);
1312 break;
1313
1314 case 'H':
0fd3a477 1315 (*info->fprintf_func) (info->stream, "%ld",
794ac9d0
CD
1316 (l >> OP_SH_SEL) & OP_MASK_SEL);
1317 break;
1318
1319 case 'O':
0fd3a477 1320 (*info->fprintf_func) (info->stream, "%ld",
794ac9d0
CD
1321 (l >> OP_SH_ALN) & OP_MASK_ALN);
1322 break;
1323
1324 case 'Q':
bbcc0807 1325 {
794ac9d0 1326 unsigned int vsel = (l >> OP_SH_VSEL) & OP_MASK_VSEL;
47b0e7ad 1327
794ac9d0
CD
1328 if ((vsel & 0x10) == 0)
1329 {
1330 int fmt;
47b0e7ad 1331
794ac9d0
CD
1332 vsel &= 0x0f;
1333 for (fmt = 0; fmt < 3; fmt++, vsel >>= 1)
1334 if ((vsel & 1) == 0)
1335 break;
0fd3a477 1336 (*info->fprintf_func) (info->stream, "$v%ld[%d]",
794ac9d0
CD
1337 (l >> OP_SH_FT) & OP_MASK_FT,
1338 vsel >> 1);
1339 }
1340 else if ((vsel & 0x08) == 0)
1341 {
0fd3a477 1342 (*info->fprintf_func) (info->stream, "$v%ld",
794ac9d0
CD
1343 (l >> OP_SH_FT) & OP_MASK_FT);
1344 }
bbcc0807 1345 else
794ac9d0 1346 {
0fd3a477 1347 (*info->fprintf_func) (info->stream, "0x%lx",
794ac9d0
CD
1348 (l >> OP_SH_FT) & OP_MASK_FT);
1349 }
bbcc0807 1350 }
794ac9d0
CD
1351 break;
1352
1353 case 'X':
0fd3a477 1354 (*info->fprintf_func) (info->stream, "$v%ld",
794ac9d0
CD
1355 (l >> OP_SH_FD) & OP_MASK_FD);
1356 break;
1357
1358 case 'Y':
0fd3a477 1359 (*info->fprintf_func) (info->stream, "$v%ld",
794ac9d0
CD
1360 (l >> OP_SH_FS) & OP_MASK_FS);
1361 break;
1362
1363 case 'Z':
0fd3a477 1364 (*info->fprintf_func) (info->stream, "$v%ld",
794ac9d0
CD
1365 (l >> OP_SH_FT) & OP_MASK_FT);
1366 break;
bbcc0807 1367
af7ee8bf
CD
1368 default:
1369 /* xgettext:c-format */
1370 (*info->fprintf_func) (info->stream,
168411b1 1371 _("# internal error, undefined modifier (%c)"),
af7ee8bf 1372 *d);
794ac9d0 1373 return;
af7ee8bf 1374 }
252b5132
RH
1375 }
1376}
1377\f
252b5132
RH
1378/* Print the mips instruction at address MEMADDR in debugged memory,
1379 on using INFO. Returns length of the instruction, in bytes, which is
aa5f19f2 1380 always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if
252b5132
RH
1381 this is little-endian code. */
1382
1383static int
47b0e7ad
NC
1384print_insn_mips (bfd_vma memaddr,
1385 unsigned long int word,
1386 struct disassemble_info *info)
252b5132 1387{
47b0e7ad 1388 const struct mips_opcode *op;
b34976b6 1389 static bfd_boolean init = 0;
252b5132
RH
1390 static const struct mips_opcode *mips_hash[OP_MASK_OP + 1];
1391
1392 /* Build a hash table to shorten the search time. */
1393 if (! init)
1394 {
1395 unsigned int i;
1396
1397 for (i = 0; i <= OP_MASK_OP; i++)
1398 {
1399 for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++)
1400 {
986e18a5 1401 if (op->pinfo == INSN_MACRO
9e836e3d 1402 || (no_aliases && (op->pinfo2 & INSN2_ALIAS)))
252b5132
RH
1403 continue;
1404 if (i == ((op->match >> OP_SH_OP) & OP_MASK_OP))
1405 {
1406 mips_hash[i] = op;
1407 break;
1408 }
1409 }
7f6621cd 1410 }
252b5132
RH
1411
1412 init = 1;
1413 }
1414
aa5f19f2 1415 info->bytes_per_chunk = INSNLEN;
252b5132 1416 info->display_endian = info->endian;
9bb28706
CD
1417 info->insn_info_valid = 1;
1418 info->branch_delay_insns = 0;
def7143b 1419 info->data_size = 0;
9bb28706
CD
1420 info->insn_type = dis_nonbranch;
1421 info->target = 0;
1422 info->target2 = 0;
252b5132
RH
1423
1424 op = mips_hash[(word >> OP_SH_OP) & OP_MASK_OP];
1425 if (op != NULL)
1426 {
1427 for (; op < &mips_opcodes[NUMOPCODES]; op++)
1428 {
986e18a5 1429 if (op->pinfo != INSN_MACRO
9e836e3d 1430 && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
986e18a5 1431 && (word & op->mask) == op->match)
252b5132 1432 {
47b0e7ad 1433 const char *d;
2bd7f1f3 1434
3396de36 1435 /* We always allow to disassemble the jalx instruction. */
640c0ccd 1436 if (! OPCODE_IS_MEMBER (op, mips_isa, mips_processor)
3396de36 1437 && strcmp (op->name, "jalx"))
252b5132
RH
1438 continue;
1439
9bb28706
CD
1440 /* Figure out instruction type and branch delay information. */
1441 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
1442 {
c680e7f6
MR
1443 if ((op->pinfo & (INSN_WRITE_GPR_31
1444 | INSN_WRITE_GPR_D)) != 0)
9bb28706
CD
1445 info->insn_type = dis_jsr;
1446 else
1447 info->insn_type = dis_branch;
1448 info->branch_delay_insns = 1;
1449 }
1450 else if ((op->pinfo & (INSN_COND_BRANCH_DELAY
1451 | INSN_COND_BRANCH_LIKELY)) != 0)
1452 {
c680e7f6 1453 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
9bb28706
CD
1454 info->insn_type = dis_condjsr;
1455 else
1456 info->insn_type = dis_condbranch;
1457 info->branch_delay_insns = 1;
1458 }
1459 else if ((op->pinfo & (INSN_STORE_MEMORY
1460 | INSN_LOAD_MEMORY_DELAY)) != 0)
1461 info->insn_type = dis_dref;
1462
252b5132
RH
1463 (*info->fprintf_func) (info->stream, "%s", op->name);
1464
1465 d = op->args;
1466 if (d != NULL && *d != '\0')
1467 {
7f6621cd 1468 (*info->fprintf_func) (info->stream, "\t");
cc0ca239 1469 print_insn_args (d, word, memaddr, info, op);
252b5132
RH
1470 }
1471
aa5f19f2 1472 return INSNLEN;
252b5132
RH
1473 }
1474 }
1475 }
1476
1477 /* Handle undefined instructions. */
9bb28706 1478 info->insn_type = dis_noninsn;
0fd3a477 1479 (*info->fprintf_func) (info->stream, "0x%lx", word);
aa5f19f2 1480 return INSNLEN;
252b5132 1481}
aa5f19f2 1482\f
252b5132
RH
1483/* Disassemble an operand for a mips16 instruction. */
1484
1485static void
47b0e7ad
NC
1486print_mips16_insn_arg (char type,
1487 const struct mips_opcode *op,
1488 int l,
1489 bfd_boolean use_extend,
1490 int extend,
1491 bfd_vma memaddr,
1492 struct disassemble_info *info)
252b5132
RH
1493{
1494 switch (type)
1495 {
1496 case ',':
1497 case '(':
1498 case ')':
1499 (*info->fprintf_func) (info->stream, "%c", type);
1500 break;
1501
1502 case 'y':
1503 case 'w':
aa5f19f2 1504 (*info->fprintf_func) (info->stream, "%s",
654c225a
TS
1505 mips16_reg_names(((l >> MIPS16OP_SH_RY)
1506 & MIPS16OP_MASK_RY)));
252b5132
RH
1507 break;
1508
1509 case 'x':
1510 case 'v':
aa5f19f2 1511 (*info->fprintf_func) (info->stream, "%s",
654c225a
TS
1512 mips16_reg_names(((l >> MIPS16OP_SH_RX)
1513 & MIPS16OP_MASK_RX)));
252b5132
RH
1514 break;
1515
1516 case 'z':
aa5f19f2 1517 (*info->fprintf_func) (info->stream, "%s",
654c225a
TS
1518 mips16_reg_names(((l >> MIPS16OP_SH_RZ)
1519 & MIPS16OP_MASK_RZ)));
252b5132
RH
1520 break;
1521
1522 case 'Z':
aa5f19f2 1523 (*info->fprintf_func) (info->stream, "%s",
654c225a
TS
1524 mips16_reg_names(((l >> MIPS16OP_SH_MOVE32Z)
1525 & MIPS16OP_MASK_MOVE32Z)));
252b5132
RH
1526 break;
1527
1528 case '0':
640c0ccd 1529 (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]);
252b5132
RH
1530 break;
1531
1532 case 'S':
640c0ccd 1533 (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[29]);
252b5132
RH
1534 break;
1535
1536 case 'P':
1537 (*info->fprintf_func) (info->stream, "$pc");
1538 break;
1539
1540 case 'R':
640c0ccd 1541 (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[31]);
252b5132
RH
1542 break;
1543
1544 case 'X':
aa5f19f2 1545 (*info->fprintf_func) (info->stream, "%s",
640c0ccd
CD
1546 mips_gpr_names[((l >> MIPS16OP_SH_REGR32)
1547 & MIPS16OP_MASK_REGR32)]);
252b5132
RH
1548 break;
1549
1550 case 'Y':
aa5f19f2 1551 (*info->fprintf_func) (info->stream, "%s",
640c0ccd 1552 mips_gpr_names[MIPS16OP_EXTRACT_REG32R (l)]);
252b5132
RH
1553 break;
1554
1555 case '<':
1556 case '>':
1557 case '[':
1558 case ']':
1559 case '4':
1560 case '5':
1561 case 'H':
1562 case 'W':
1563 case 'D':
1564 case 'j':
1565 case '6':
1566 case '8':
1567 case 'V':
1568 case 'C':
1569 case 'U':
1570 case 'k':
1571 case 'K':
1572 case 'p':
1573 case 'q':
1574 case 'A':
1575 case 'B':
1576 case 'E':
1577 {
1578 int immed, nbits, shift, signedp, extbits, pcrel, extu, branch;
1579
1580 shift = 0;
1581 signedp = 0;
1582 extbits = 16;
1583 pcrel = 0;
1584 extu = 0;
1585 branch = 0;
1586 switch (type)
1587 {
1588 case '<':
1589 nbits = 3;
1590 immed = (l >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ;
1591 extbits = 5;
1592 extu = 1;
1593 break;
1594 case '>':
1595 nbits = 3;
1596 immed = (l >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX;
1597 extbits = 5;
1598 extu = 1;
1599 break;
1600 case '[':
1601 nbits = 3;
1602 immed = (l >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ;
1603 extbits = 6;
1604 extu = 1;
1605 break;
1606 case ']':
1607 nbits = 3;
1608 immed = (l >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX;
1609 extbits = 6;
1610 extu = 1;
1611 break;
1612 case '4':
1613 nbits = 4;
1614 immed = (l >> MIPS16OP_SH_IMM4) & MIPS16OP_MASK_IMM4;
1615 signedp = 1;
1616 extbits = 15;
1617 break;
1618 case '5':
1619 nbits = 5;
1620 immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
1621 info->insn_type = dis_dref;
1622 info->data_size = 1;
1623 break;
1624 case 'H':
1625 nbits = 5;
1626 shift = 1;
1627 immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
1628 info->insn_type = dis_dref;
1629 info->data_size = 2;
1630 break;
1631 case 'W':
1632 nbits = 5;
1633 shift = 2;
1634 immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
1635 if ((op->pinfo & MIPS16_INSN_READ_PC) == 0
1636 && (op->pinfo & MIPS16_INSN_READ_SP) == 0)
1637 {
1638 info->insn_type = dis_dref;
1639 info->data_size = 4;
1640 }
1641 break;
1642 case 'D':
1643 nbits = 5;
1644 shift = 3;
1645 immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
1646 info->insn_type = dis_dref;
1647 info->data_size = 8;
1648 break;
1649 case 'j':
1650 nbits = 5;
1651 immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
1652 signedp = 1;
1653 break;
1654 case '6':
1655 nbits = 6;
1656 immed = (l >> MIPS16OP_SH_IMM6) & MIPS16OP_MASK_IMM6;
1657 break;
1658 case '8':
1659 nbits = 8;
1660 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1661 break;
1662 case 'V':
1663 nbits = 8;
1664 shift = 2;
1665 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1666 /* FIXME: This might be lw, or it might be addiu to $sp or
1667 $pc. We assume it's load. */
1668 info->insn_type = dis_dref;
1669 info->data_size = 4;
1670 break;
1671 case 'C':
1672 nbits = 8;
1673 shift = 3;
1674 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1675 info->insn_type = dis_dref;
1676 info->data_size = 8;
1677 break;
1678 case 'U':
1679 nbits = 8;
1680 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1681 extu = 1;
1682 break;
1683 case 'k':
1684 nbits = 8;
1685 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1686 signedp = 1;
1687 break;
1688 case 'K':
1689 nbits = 8;
1690 shift = 3;
1691 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1692 signedp = 1;
1693 break;
1694 case 'p':
1695 nbits = 8;
1696 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1697 signedp = 1;
1698 pcrel = 1;
1699 branch = 1;
252b5132
RH
1700 break;
1701 case 'q':
1702 nbits = 11;
1703 immed = (l >> MIPS16OP_SH_IMM11) & MIPS16OP_MASK_IMM11;
1704 signedp = 1;
1705 pcrel = 1;
1706 branch = 1;
252b5132
RH
1707 break;
1708 case 'A':
1709 nbits = 8;
1710 shift = 2;
1711 immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8;
1712 pcrel = 1;
1713 /* FIXME: This can be lw or la. We assume it is lw. */
1714 info->insn_type = dis_dref;
1715 info->data_size = 4;
1716 break;
1717 case 'B':
1718 nbits = 5;
1719 shift = 3;
1720 immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
1721 pcrel = 1;
1722 info->insn_type = dis_dref;
1723 info->data_size = 8;
1724 break;
1725 case 'E':
1726 nbits = 5;
1727 shift = 2;
1728 immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5;
1729 pcrel = 1;
1730 break;
1731 default:
1732 abort ();
1733 }
1734
1735 if (! use_extend)
1736 {
1737 if (signedp && immed >= (1 << (nbits - 1)))
1738 immed -= 1 << nbits;
1739 immed <<= shift;
1740 if ((type == '<' || type == '>' || type == '[' || type == ']')
1741 && immed == 0)
1742 immed = 8;
1743 }
1744 else
1745 {
1746 if (extbits == 16)
1747 immed |= ((extend & 0x1f) << 11) | (extend & 0x7e0);
1748 else if (extbits == 15)
1749 immed |= ((extend & 0xf) << 11) | (extend & 0x7f0);
1750 else
1751 immed = ((extend >> 6) & 0x1f) | (extend & 0x20);
1752 immed &= (1 << extbits) - 1;
1753 if (! extu && immed >= (1 << (extbits - 1)))
1754 immed -= 1 << extbits;
1755 }
1756
1757 if (! pcrel)
1758 (*info->fprintf_func) (info->stream, "%d", immed);
1759 else
1760 {
1761 bfd_vma baseaddr;
252b5132
RH
1762
1763 if (branch)
1764 {
1765 immed *= 2;
1766 baseaddr = memaddr + 2;
1767 }
1768 else if (use_extend)
1769 baseaddr = memaddr - 2;
1770 else
1771 {
1772 int status;
1773 bfd_byte buffer[2];
1774
1775 baseaddr = memaddr;
1776
1777 /* If this instruction is in the delay slot of a jr
1778 instruction, the base address is the address of the
1779 jr instruction. If it is in the delay slot of jalr
1780 instruction, the base address is the address of the
1781 jalr instruction. This test is unreliable: we have
1782 no way of knowing whether the previous word is
1783 instruction or data. */
1784 status = (*info->read_memory_func) (memaddr - 4, buffer, 2,
1785 info);
1786 if (status == 0
1787 && (((info->endian == BFD_ENDIAN_BIG
1788 ? bfd_getb16 (buffer)
1789 : bfd_getl16 (buffer))
1790 & 0xf800) == 0x1800))
1791 baseaddr = memaddr - 4;
1792 else
1793 {
1794 status = (*info->read_memory_func) (memaddr - 2, buffer,
1795 2, info);
1796 if (status == 0
1797 && (((info->endian == BFD_ENDIAN_BIG
1798 ? bfd_getb16 (buffer)
1799 : bfd_getl16 (buffer))
1800 & 0xf81f) == 0xe800))
1801 baseaddr = memaddr - 2;
1802 }
1803 }
9bb28706 1804 info->target = (baseaddr & ~((1 << shift) - 1)) + immed;
022fac6d
TS
1805 if (pcrel && branch
1806 && info->flavour == bfd_target_unknown_flavour)
1807 /* For gdb disassembler, maintain odd address. */
1808 info->target |= 1;
9bb28706 1809 (*info->print_address_func) (info->target, info);
252b5132
RH
1810 }
1811 }
1812 break;
1813
1814 case 'a':
022fac6d
TS
1815 {
1816 int jalx = l & 0x400;
1817
1818 if (! use_extend)
1819 extend = 0;
1820 l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2);
1821 if (!jalx && info->flavour == bfd_target_unknown_flavour)
1822 /* For gdb disassembler, maintain odd address. */
1823 l |= 1;
1824 }
9bb28706
CD
1825 info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l;
1826 (*info->print_address_func) (info->target, info);
252b5132
RH
1827 break;
1828
1829 case 'l':
1830 case 'L':
1831 {
1832 int need_comma, amask, smask;
1833
1834 need_comma = 0;
1835
1836 l = (l >> MIPS16OP_SH_IMM6) & MIPS16OP_MASK_IMM6;
1837
1838 amask = (l >> 3) & 7;
1839
1840 if (amask > 0 && amask < 5)
1841 {
640c0ccd 1842 (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[4]);
252b5132 1843 if (amask > 1)
aa5f19f2 1844 (*info->fprintf_func) (info->stream, "-%s",
640c0ccd 1845 mips_gpr_names[amask + 3]);
252b5132
RH
1846 need_comma = 1;
1847 }
1848
1849 smask = (l >> 1) & 3;
1850 if (smask == 3)
1851 {
1852 (*info->fprintf_func) (info->stream, "%s??",
1853 need_comma ? "," : "");
1854 need_comma = 1;
1855 }
1856 else if (smask > 0)
1857 {
aa5f19f2 1858 (*info->fprintf_func) (info->stream, "%s%s",
252b5132 1859 need_comma ? "," : "",
640c0ccd 1860 mips_gpr_names[16]);
252b5132 1861 if (smask > 1)
aa5f19f2 1862 (*info->fprintf_func) (info->stream, "-%s",
640c0ccd 1863 mips_gpr_names[smask + 15]);
252b5132
RH
1864 need_comma = 1;
1865 }
1866
1867 if (l & 1)
1868 {
aa5f19f2 1869 (*info->fprintf_func) (info->stream, "%s%s",
252b5132 1870 need_comma ? "," : "",
640c0ccd 1871 mips_gpr_names[31]);
252b5132
RH
1872 need_comma = 1;
1873 }
1874
1875 if (amask == 5 || amask == 6)
1876 {
1877 (*info->fprintf_func) (info->stream, "%s$f0",
1878 need_comma ? "," : "");
1879 if (amask == 6)
1880 (*info->fprintf_func) (info->stream, "-$f1");
1881 }
1882 }
1883 break;
1884
0499d65b
TS
1885 case 'm':
1886 case 'M':
1887 /* MIPS16e save/restore. */
1888 {
1889 int need_comma = 0;
1890 int amask, args, statics;
1891 int nsreg, smask;
1892 int framesz;
1893 int i, j;
1894
1895 l = l & 0x7f;
1896 if (use_extend)
1897 l |= extend << 16;
1898
1899 amask = (l >> 16) & 0xf;
1900 if (amask == MIPS16_ALL_ARGS)
1901 {
1902 args = 4;
1903 statics = 0;
1904 }
1905 else if (amask == MIPS16_ALL_STATICS)
1906 {
1907 args = 0;
1908 statics = 4;
1909 }
1910 else
1911 {
1912 args = amask >> 2;
1913 statics = amask & 3;
1914 }
1915
1916 if (args > 0) {
1917 (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[4]);
1918 if (args > 1)
1919 (*info->fprintf_func) (info->stream, "-%s",
1920 mips_gpr_names[4 + args - 1]);
1921 need_comma = 1;
1922 }
1923
1924 framesz = (((l >> 16) & 0xf0) | (l & 0x0f)) * 8;
1925 if (framesz == 0 && !use_extend)
1926 framesz = 128;
1927
1928 (*info->fprintf_func) (info->stream, "%s%d",
1929 need_comma ? "," : "",
1930 framesz);
1931
1932 if (l & 0x40) /* $ra */
1933 (*info->fprintf_func) (info->stream, ",%s", mips_gpr_names[31]);
1934
1935 nsreg = (l >> 24) & 0x7;
1936 smask = 0;
1937 if (l & 0x20) /* $s0 */
1938 smask |= 1 << 0;
1939 if (l & 0x10) /* $s1 */
1940 smask |= 1 << 1;
1941 if (nsreg > 0) /* $s2-$s8 */
1942 smask |= ((1 << nsreg) - 1) << 2;
1943
1944 /* Find first set static reg bit. */
1945 for (i = 0; i < 9; i++)
1946 {
1947 if (smask & (1 << i))
1948 {
1949 (*info->fprintf_func) (info->stream, ",%s",
1950 mips_gpr_names[i == 8 ? 30 : (16 + i)]);
1951 /* Skip over string of set bits. */
1952 for (j = i; smask & (2 << j); j++)
1953 continue;
1954 if (j > i)
1955 (*info->fprintf_func) (info->stream, "-%s",
1956 mips_gpr_names[j == 8 ? 30 : (16 + j)]);
1957 i = j + 1;
1958 }
1959 }
1960
1961 /* Statics $ax - $a3. */
1962 if (statics == 1)
1963 (*info->fprintf_func) (info->stream, ",%s", mips_gpr_names[7]);
1964 else if (statics > 0)
1965 (*info->fprintf_func) (info->stream, ",%s-%s",
1966 mips_gpr_names[7 - statics + 1],
1967 mips_gpr_names[7]);
1968 }
1969 break;
1970
252b5132 1971 default:
aa5f19f2
NC
1972 /* xgettext:c-format */
1973 (*info->fprintf_func)
1974 (info->stream,
1975 _("# internal disassembler error, unrecognised modifier (%c)"),
1976 type);
252b5132
RH
1977 abort ();
1978 }
1979}
640c0ccd 1980
47b0e7ad
NC
1981/* Disassemble mips16 instructions. */
1982
1983static int
1984print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info)
1985{
1986 int status;
1987 bfd_byte buffer[2];
1988 int length;
1989 int insn;
1990 bfd_boolean use_extend;
1991 int extend = 0;
1992 const struct mips_opcode *op, *opend;
1993
1994 info->bytes_per_chunk = 2;
1995 info->display_endian = info->endian;
1996 info->insn_info_valid = 1;
1997 info->branch_delay_insns = 0;
1998 info->data_size = 0;
1999 info->insn_type = dis_nonbranch;
2000 info->target = 0;
2001 info->target2 = 0;
2002
2003 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
2004 if (status != 0)
2005 {
2006 (*info->memory_error_func) (status, memaddr, info);
2007 return -1;
2008 }
2009
2010 length = 2;
2011
2012 if (info->endian == BFD_ENDIAN_BIG)
2013 insn = bfd_getb16 (buffer);
2014 else
2015 insn = bfd_getl16 (buffer);
2016
2017 /* Handle the extend opcode specially. */
2018 use_extend = FALSE;
2019 if ((insn & 0xf800) == 0xf000)
2020 {
2021 use_extend = TRUE;
2022 extend = insn & 0x7ff;
2023
2024 memaddr += 2;
2025
2026 status = (*info->read_memory_func) (memaddr, buffer, 2, info);
2027 if (status != 0)
2028 {
2029 (*info->fprintf_func) (info->stream, "extend 0x%x",
2030 (unsigned int) extend);
2031 (*info->memory_error_func) (status, memaddr, info);
2032 return -1;
2033 }
2034
2035 if (info->endian == BFD_ENDIAN_BIG)
2036 insn = bfd_getb16 (buffer);
2037 else
2038 insn = bfd_getl16 (buffer);
2039
2040 /* Check for an extend opcode followed by an extend opcode. */
2041 if ((insn & 0xf800) == 0xf000)
2042 {
2043 (*info->fprintf_func) (info->stream, "extend 0x%x",
2044 (unsigned int) extend);
2045 info->insn_type = dis_noninsn;
2046 return length;
2047 }
2048
2049 length += 2;
2050 }
2051
2052 /* FIXME: Should probably use a hash table on the major opcode here. */
2053
2054 opend = mips16_opcodes + bfd_mips16_num_opcodes;
2055 for (op = mips16_opcodes; op < opend; op++)
2056 {
2057 if (op->pinfo != INSN_MACRO
2058 && !(no_aliases && (op->pinfo2 & INSN2_ALIAS))
2059 && (insn & op->mask) == op->match)
2060 {
2061 const char *s;
2062
2063 if (strchr (op->args, 'a') != NULL)
2064 {
2065 if (use_extend)
2066 {
2067 (*info->fprintf_func) (info->stream, "extend 0x%x",
2068 (unsigned int) extend);
2069 info->insn_type = dis_noninsn;
2070 return length - 2;
2071 }
2072
2073 use_extend = FALSE;
2074
2075 memaddr += 2;
2076
2077 status = (*info->read_memory_func) (memaddr, buffer, 2,
2078 info);
2079 if (status == 0)
2080 {
2081 use_extend = TRUE;
2082 if (info->endian == BFD_ENDIAN_BIG)
2083 extend = bfd_getb16 (buffer);
2084 else
2085 extend = bfd_getl16 (buffer);
2086 length += 2;
2087 }
2088 }
2089
2090 (*info->fprintf_func) (info->stream, "%s", op->name);
2091 if (op->args[0] != '\0')
2092 (*info->fprintf_func) (info->stream, "\t");
2093
2094 for (s = op->args; *s != '\0'; s++)
2095 {
2096 if (*s == ','
2097 && s[1] == 'w'
2098 && (((insn >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX)
2099 == ((insn >> MIPS16OP_SH_RY) & MIPS16OP_MASK_RY)))
2100 {
2101 /* Skip the register and the comma. */
2102 ++s;
2103 continue;
2104 }
2105 if (*s == ','
2106 && s[1] == 'v'
2107 && (((insn >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ)
2108 == ((insn >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX)))
2109 {
2110 /* Skip the register and the comma. */
2111 ++s;
2112 continue;
2113 }
2114 print_mips16_insn_arg (*s, op, insn, use_extend, extend, memaddr,
2115 info);
2116 }
2117
9a2c7088 2118 /* Figure out branch instruction type and delay slot information. */
47b0e7ad 2119 if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
9a2c7088
MR
2120 info->branch_delay_insns = 1;
2121 if ((op->pinfo & (INSN_UNCOND_BRANCH_DELAY
2122 | MIPS16_INSN_UNCOND_BRANCH)) != 0)
47b0e7ad 2123 {
9a2c7088
MR
2124 if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
2125 info->insn_type = dis_jsr;
2126 else
47b0e7ad
NC
2127 info->insn_type = dis_branch;
2128 }
9a2c7088
MR
2129 else if ((op->pinfo & MIPS16_INSN_COND_BRANCH) != 0)
2130 info->insn_type = dis_condbranch;
47b0e7ad
NC
2131
2132 return length;
2133 }
2134 }
2135
2136 if (use_extend)
2137 (*info->fprintf_func) (info->stream, "0x%x", extend | 0xf000);
2138 (*info->fprintf_func) (info->stream, "0x%x", insn);
2139 info->insn_type = dis_noninsn;
2140
2141 return length;
2142}
2143
2144/* In an environment where we do not know the symbol type of the
2145 instruction we are forced to assume that the low order bit of the
2146 instructions' address may mark it as a mips16 instruction. If we
2147 are single stepping, or the pc is within the disassembled function,
2148 this works. Otherwise, we need a clue. Sometimes. */
2149
2150static int
2151_print_insn_mips (bfd_vma memaddr,
2152 struct disassemble_info *info,
2153 enum bfd_endian endianness)
2154{
2155 bfd_byte buffer[INSNLEN];
2156 int status;
2157
2158 set_default_mips_dis_options (info);
2159 parse_mips_dis_options (info->disassembler_options);
2160
2161#if 1
2162 /* FIXME: If odd address, this is CLEARLY a mips 16 instruction. */
2163 /* Only a few tools will work this way. */
2164 if (memaddr & 0x01)
2165 return print_insn_mips16 (memaddr, info);
2166#endif
2167
2168#if SYMTAB_AVAILABLE
2169 if (info->mach == bfd_mach_mips16
6ba2a415
RS
2170 || (info->symbols != NULL
2171 && bfd_asymbol_flavour (*info->symbols) == bfd_target_elf_flavour
30c09090
RS
2172 && ELF_ST_IS_MIPS16 ((*(elf_symbol_type **) info->symbols)
2173 ->internal_elf_sym.st_other)))
47b0e7ad
NC
2174 return print_insn_mips16 (memaddr, info);
2175#endif
2176
2177 status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info);
2178 if (status == 0)
2179 {
2180 unsigned long insn;
2181
2182 if (endianness == BFD_ENDIAN_BIG)
2183 insn = (unsigned long) bfd_getb32 (buffer);
2184 else
2185 insn = (unsigned long) bfd_getl32 (buffer);
2186
2187 return print_insn_mips (memaddr, insn, info);
2188 }
2189 else
2190 {
2191 (*info->memory_error_func) (status, memaddr, info);
2192 return -1;
2193 }
2194}
2195
2196int
2197print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info)
2198{
2199 return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG);
2200}
2201
2202int
2203print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info)
2204{
2205 return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE);
2206}
2207\f
640c0ccd 2208void
47b0e7ad 2209print_mips_disassembler_options (FILE *stream)
640c0ccd 2210{
4a9a3c54 2211 unsigned int i;
640c0ccd
CD
2212
2213 fprintf (stream, _("\n\
2214The following MIPS specific disassembler options are supported for use\n\
2215with the -M switch (multiple options should be separated by commas):\n"));
2216
2217 fprintf (stream, _("\n\
2218 gpr-names=ABI Print GPR names according to specified ABI.\n\
2219 Default: based on binary being disassembled.\n"));
2220
2221 fprintf (stream, _("\n\
2222 fpr-names=ABI Print FPR names according to specified ABI.\n\
2223 Default: numeric.\n"));
2224
2225 fprintf (stream, _("\n\
2226 cp0-names=ARCH Print CP0 register names according to\n\
2227 specified architecture.\n\
2228 Default: based on binary being disassembled.\n"));
2229
af7ee8bf
CD
2230 fprintf (stream, _("\n\
2231 hwr-names=ARCH Print HWR names according to specified \n\
2232 architecture.\n\
2233 Default: based on binary being disassembled.\n"));
2234
640c0ccd
CD
2235 fprintf (stream, _("\n\
2236 reg-names=ABI Print GPR and FPR names according to\n\
2237 specified ABI.\n"));
2238
2239 fprintf (stream, _("\n\
af7ee8bf 2240 reg-names=ARCH Print CP0 register and HWR names according to\n\
640c0ccd
CD
2241 specified architecture.\n"));
2242
2243 fprintf (stream, _("\n\
2244 For the options above, the following values are supported for \"ABI\":\n\
2245 "));
4a9a3c54 2246 for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++)
640c0ccd
CD
2247 fprintf (stream, " %s", mips_abi_choices[i].name);
2248 fprintf (stream, _("\n"));
2249
2250 fprintf (stream, _("\n\
2251 For the options above, The following values are supported for \"ARCH\":\n\
2252 "));
4a9a3c54 2253 for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++)
640c0ccd
CD
2254 if (*mips_arch_choices[i].name != '\0')
2255 fprintf (stream, " %s", mips_arch_choices[i].name);
2256 fprintf (stream, _("\n"));
2257
2258 fprintf (stream, _("\n"));
2259}
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