Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* Print mips instructions for GDB, the GNU debugger, or for objdump. |
060d22b0 | 2 | Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
8b99bf0b | 3 | 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009, 2012 |
73da6b6b | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp). |
6 | ||
9b201bb5 | 7 | This file is part of the GNU opcodes library. |
252b5132 | 8 | |
9b201bb5 | 9 | This library is free software; you can redistribute it and/or modify |
47b0e7ad | 10 | it under the terms of the GNU General Public License as published by |
9b201bb5 NC |
11 | the Free Software Foundation; either version 3, or (at your option) |
12 | any later version. | |
252b5132 | 13 | |
9b201bb5 NC |
14 | It is distributed in the hope that it will be useful, but WITHOUT |
15 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
16 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
17 | License for more details. | |
252b5132 | 18 | |
47b0e7ad NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
22 | MA 02110-1301, USA. */ | |
252b5132 | 23 | |
252b5132 RH |
24 | #include "sysdep.h" |
25 | #include "dis-asm.h" | |
640c0ccd | 26 | #include "libiberty.h" |
252b5132 RH |
27 | #include "opcode/mips.h" |
28 | #include "opintl.h" | |
29 | ||
30 | /* FIXME: These are needed to figure out if the code is mips16 or | |
31 | not. The low bit of the address is often a good indicator. No | |
32 | symbol table is available when this code runs out in an embedded | |
7f6621cd | 33 | system as when it is used for disassembler support in a monitor. */ |
252b5132 RH |
34 | |
35 | #if !defined(EMBEDDED_ENV) | |
36 | #define SYMTAB_AVAILABLE 1 | |
37 | #include "elf-bfd.h" | |
38 | #include "elf/mips.h" | |
39 | #endif | |
40 | ||
aa5f19f2 NC |
41 | /* Mips instructions are at maximum this many bytes long. */ |
42 | #define INSNLEN 4 | |
43 | ||
252b5132 | 44 | \f |
aa5f19f2 | 45 | /* FIXME: These should be shared with gdb somehow. */ |
252b5132 | 46 | |
47b0e7ad NC |
47 | struct mips_cp0sel_name |
48 | { | |
49 | unsigned int cp0reg; | |
50 | unsigned int sel; | |
51 | const char * const name; | |
bbcc0807 CD |
52 | }; |
53 | ||
47b0e7ad NC |
54 | static const char * const mips_gpr_names_numeric[32] = |
55 | { | |
640c0ccd CD |
56 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
57 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
58 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
59 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
aa5f19f2 NC |
60 | }; |
61 | ||
47b0e7ad NC |
62 | static const char * const mips_gpr_names_oldabi[32] = |
63 | { | |
640c0ccd CD |
64 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
65 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", | |
66 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", | |
67 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
aa5f19f2 NC |
68 | }; |
69 | ||
47b0e7ad NC |
70 | static const char * const mips_gpr_names_newabi[32] = |
71 | { | |
640c0ccd | 72 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
0b14f26e | 73 | "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", |
640c0ccd CD |
74 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
75 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
76 | }; | |
77 | ||
47b0e7ad NC |
78 | static const char * const mips_fpr_names_numeric[32] = |
79 | { | |
640c0ccd CD |
80 | "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", |
81 | "$f8", "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15", | |
82 | "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23", | |
83 | "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31" | |
84 | }; | |
85 | ||
47b0e7ad NC |
86 | static const char * const mips_fpr_names_32[32] = |
87 | { | |
640c0ccd CD |
88 | "fv0", "fv0f", "fv1", "fv1f", "ft0", "ft0f", "ft1", "ft1f", |
89 | "ft2", "ft2f", "ft3", "ft3f", "fa0", "fa0f", "fa1", "fa1f", | |
90 | "ft4", "ft4f", "ft5", "ft5f", "fs0", "fs0f", "fs1", "fs1f", | |
91 | "fs2", "fs2f", "fs3", "fs3f", "fs4", "fs4f", "fs5", "fs5f" | |
92 | }; | |
93 | ||
47b0e7ad NC |
94 | static const char * const mips_fpr_names_n32[32] = |
95 | { | |
640c0ccd CD |
96 | "fv0", "ft14", "fv1", "ft15", "ft0", "ft1", "ft2", "ft3", |
97 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
98 | "fa4", "fa5", "fa6", "fa7", "fs0", "ft8", "fs1", "ft9", | |
99 | "fs2", "ft10", "fs3", "ft11", "fs4", "ft12", "fs5", "ft13" | |
100 | }; | |
101 | ||
47b0e7ad NC |
102 | static const char * const mips_fpr_names_64[32] = |
103 | { | |
640c0ccd CD |
104 | "fv0", "ft12", "fv1", "ft13", "ft0", "ft1", "ft2", "ft3", |
105 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
106 | "fa4", "fa5", "fa6", "fa7", "ft8", "ft9", "ft10", "ft11", | |
107 | "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7" | |
108 | }; | |
109 | ||
47b0e7ad NC |
110 | static const char * const mips_cp0_names_numeric[32] = |
111 | { | |
640c0ccd CD |
112 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
113 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
114 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
115 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
116 | }; | |
117 | ||
f409fd1e MR |
118 | static const char * const mips_cp0_names_r3000[32] = |
119 | { | |
120 | "c0_index", "c0_random", "c0_entrylo", "$3", | |
121 | "c0_context", "$5", "$6", "$7", | |
122 | "c0_badvaddr", "$9", "c0_entryhi", "$11", | |
123 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
124 | "$16", "$17", "$18", "$19", | |
125 | "$20", "$21", "$22", "$23", | |
126 | "$24", "$25", "$26", "$27", | |
127 | "$28", "$29", "$30", "$31", | |
128 | }; | |
129 | ||
130 | static const char * const mips_cp0_names_r4000[32] = | |
131 | { | |
132 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
133 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
134 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
135 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
136 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
137 | "c0_xcontext", "$21", "$22", "$23", | |
138 | "$24", "$25", "c0_ecc", "c0_cacheerr", | |
139 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31", | |
140 | }; | |
141 | ||
e407c74b NC |
142 | static const char * const mips_cp0_names_r5900[32] = |
143 | { | |
144 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
145 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
146 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
147 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
148 | "c0_config", "$17", "$18", "$19", | |
149 | "$20", "$21", "$22", "c0_badpaddr", | |
150 | "c0_depc", "c0_perfcnt", "$26", "$27", | |
151 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31" | |
152 | }; | |
153 | ||
154 | static const struct mips_cp0sel_name mips_cp0sel_names_mipsr5900[] = | |
155 | { | |
156 | { 24, 2, "c0_iab" }, | |
157 | { 24, 3, "c0_iabm" }, | |
158 | { 24, 4, "c0_dab" }, | |
159 | { 24, 5, "c0_dabm" }, | |
160 | { 24, 6, "c0_dvb" }, | |
161 | { 24, 7, "c0_dvbm" }, | |
162 | { 25, 1, "c0_perfcnt,1" }, | |
163 | { 25, 2, "c0_perfcnt,2" } | |
164 | }; | |
165 | ||
47b0e7ad NC |
166 | static const char * const mips_cp0_names_mips3264[32] = |
167 | { | |
640c0ccd CD |
168 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
169 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
170 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
171 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
172 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
173 | "c0_xcontext", "$21", "$22", "c0_debug", | |
174 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
175 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
176 | }; | |
177 | ||
47b0e7ad NC |
178 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] = |
179 | { | |
bbcc0807 CD |
180 | { 16, 1, "c0_config1" }, |
181 | { 16, 2, "c0_config2" }, | |
182 | { 16, 3, "c0_config3" }, | |
183 | { 18, 1, "c0_watchlo,1" }, | |
184 | { 18, 2, "c0_watchlo,2" }, | |
185 | { 18, 3, "c0_watchlo,3" }, | |
186 | { 18, 4, "c0_watchlo,4" }, | |
187 | { 18, 5, "c0_watchlo,5" }, | |
188 | { 18, 6, "c0_watchlo,6" }, | |
189 | { 18, 7, "c0_watchlo,7" }, | |
190 | { 19, 1, "c0_watchhi,1" }, | |
191 | { 19, 2, "c0_watchhi,2" }, | |
192 | { 19, 3, "c0_watchhi,3" }, | |
193 | { 19, 4, "c0_watchhi,4" }, | |
194 | { 19, 5, "c0_watchhi,5" }, | |
195 | { 19, 6, "c0_watchhi,6" }, | |
196 | { 19, 7, "c0_watchhi,7" }, | |
197 | { 25, 1, "c0_perfcnt,1" }, | |
198 | { 25, 2, "c0_perfcnt,2" }, | |
199 | { 25, 3, "c0_perfcnt,3" }, | |
200 | { 25, 4, "c0_perfcnt,4" }, | |
201 | { 25, 5, "c0_perfcnt,5" }, | |
202 | { 25, 6, "c0_perfcnt,6" }, | |
203 | { 25, 7, "c0_perfcnt,7" }, | |
204 | { 27, 1, "c0_cacheerr,1" }, | |
205 | { 27, 2, "c0_cacheerr,2" }, | |
206 | { 27, 3, "c0_cacheerr,3" }, | |
207 | { 28, 1, "c0_datalo" }, | |
208 | { 29, 1, "c0_datahi" } | |
209 | }; | |
210 | ||
47b0e7ad NC |
211 | static const char * const mips_cp0_names_mips3264r2[32] = |
212 | { | |
af7ee8bf CD |
213 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
214 | "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena", | |
215 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
216 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
217 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
218 | "c0_xcontext", "$21", "$22", "c0_debug", | |
219 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
220 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
221 | }; | |
222 | ||
47b0e7ad NC |
223 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] = |
224 | { | |
bbcc0807 | 225 | { 4, 1, "c0_contextconfig" }, |
59c455b3 TS |
226 | { 0, 1, "c0_mvpcontrol" }, |
227 | { 0, 2, "c0_mvpconf0" }, | |
228 | { 0, 3, "c0_mvpconf1" }, | |
229 | { 1, 1, "c0_vpecontrol" }, | |
230 | { 1, 2, "c0_vpeconf0" }, | |
231 | { 1, 3, "c0_vpeconf1" }, | |
232 | { 1, 4, "c0_yqmask" }, | |
233 | { 1, 5, "c0_vpeschedule" }, | |
234 | { 1, 6, "c0_vpeschefback" }, | |
235 | { 2, 1, "c0_tcstatus" }, | |
236 | { 2, 2, "c0_tcbind" }, | |
237 | { 2, 3, "c0_tcrestart" }, | |
238 | { 2, 4, "c0_tchalt" }, | |
239 | { 2, 5, "c0_tccontext" }, | |
240 | { 2, 6, "c0_tcschedule" }, | |
241 | { 2, 7, "c0_tcschefback" }, | |
bbcc0807 | 242 | { 5, 1, "c0_pagegrain" }, |
59c455b3 TS |
243 | { 6, 1, "c0_srsconf0" }, |
244 | { 6, 2, "c0_srsconf1" }, | |
245 | { 6, 3, "c0_srsconf2" }, | |
246 | { 6, 4, "c0_srsconf3" }, | |
247 | { 6, 5, "c0_srsconf4" }, | |
bbcc0807 CD |
248 | { 12, 1, "c0_intctl" }, |
249 | { 12, 2, "c0_srsctl" }, | |
250 | { 12, 3, "c0_srsmap" }, | |
251 | { 15, 1, "c0_ebase" }, | |
252 | { 16, 1, "c0_config1" }, | |
253 | { 16, 2, "c0_config2" }, | |
254 | { 16, 3, "c0_config3" }, | |
255 | { 18, 1, "c0_watchlo,1" }, | |
256 | { 18, 2, "c0_watchlo,2" }, | |
257 | { 18, 3, "c0_watchlo,3" }, | |
258 | { 18, 4, "c0_watchlo,4" }, | |
259 | { 18, 5, "c0_watchlo,5" }, | |
260 | { 18, 6, "c0_watchlo,6" }, | |
261 | { 18, 7, "c0_watchlo,7" }, | |
262 | { 19, 1, "c0_watchhi,1" }, | |
263 | { 19, 2, "c0_watchhi,2" }, | |
264 | { 19, 3, "c0_watchhi,3" }, | |
265 | { 19, 4, "c0_watchhi,4" }, | |
266 | { 19, 5, "c0_watchhi,5" }, | |
267 | { 19, 6, "c0_watchhi,6" }, | |
268 | { 19, 7, "c0_watchhi,7" }, | |
269 | { 23, 1, "c0_tracecontrol" }, | |
270 | { 23, 2, "c0_tracecontrol2" }, | |
271 | { 23, 3, "c0_usertracedata" }, | |
272 | { 23, 4, "c0_tracebpc" }, | |
273 | { 25, 1, "c0_perfcnt,1" }, | |
274 | { 25, 2, "c0_perfcnt,2" }, | |
275 | { 25, 3, "c0_perfcnt,3" }, | |
276 | { 25, 4, "c0_perfcnt,4" }, | |
277 | { 25, 5, "c0_perfcnt,5" }, | |
278 | { 25, 6, "c0_perfcnt,6" }, | |
279 | { 25, 7, "c0_perfcnt,7" }, | |
280 | { 27, 1, "c0_cacheerr,1" }, | |
281 | { 27, 2, "c0_cacheerr,2" }, | |
282 | { 27, 3, "c0_cacheerr,3" }, | |
283 | { 28, 1, "c0_datalo" }, | |
284 | { 28, 2, "c0_taglo1" }, | |
285 | { 28, 3, "c0_datalo1" }, | |
286 | { 28, 4, "c0_taglo2" }, | |
287 | { 28, 5, "c0_datalo2" }, | |
288 | { 28, 6, "c0_taglo3" }, | |
289 | { 28, 7, "c0_datalo3" }, | |
290 | { 29, 1, "c0_datahi" }, | |
291 | { 29, 2, "c0_taghi1" }, | |
292 | { 29, 3, "c0_datahi1" }, | |
293 | { 29, 4, "c0_taghi2" }, | |
294 | { 29, 5, "c0_datahi2" }, | |
295 | { 29, 6, "c0_taghi3" }, | |
296 | { 29, 7, "c0_datahi3" }, | |
297 | }; | |
298 | ||
640c0ccd | 299 | /* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */ |
47b0e7ad NC |
300 | static const char * const mips_cp0_names_sb1[32] = |
301 | { | |
640c0ccd CD |
302 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
303 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
304 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
305 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
306 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
307 | "c0_xcontext", "$21", "$22", "c0_debug", | |
308 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
309 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
310 | }; | |
311 | ||
47b0e7ad NC |
312 | static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] = |
313 | { | |
bbcc0807 CD |
314 | { 16, 1, "c0_config1" }, |
315 | { 18, 1, "c0_watchlo,1" }, | |
316 | { 19, 1, "c0_watchhi,1" }, | |
317 | { 22, 0, "c0_perftrace" }, | |
318 | { 23, 3, "c0_edebug" }, | |
319 | { 25, 1, "c0_perfcnt,1" }, | |
320 | { 25, 2, "c0_perfcnt,2" }, | |
321 | { 25, 3, "c0_perfcnt,3" }, | |
322 | { 25, 4, "c0_perfcnt,4" }, | |
323 | { 25, 5, "c0_perfcnt,5" }, | |
324 | { 25, 6, "c0_perfcnt,6" }, | |
325 | { 25, 7, "c0_perfcnt,7" }, | |
326 | { 26, 1, "c0_buserr_pa" }, | |
327 | { 27, 1, "c0_cacheerr_d" }, | |
328 | { 27, 3, "c0_cacheerr_d_pa" }, | |
329 | { 28, 1, "c0_datalo_i" }, | |
330 | { 28, 2, "c0_taglo_d" }, | |
331 | { 28, 3, "c0_datalo_d" }, | |
332 | { 29, 1, "c0_datahi_i" }, | |
333 | { 29, 2, "c0_taghi_d" }, | |
334 | { 29, 3, "c0_datahi_d" }, | |
335 | }; | |
336 | ||
52b6b6b9 JM |
337 | /* Xlr cop0 register names. */ |
338 | static const char * const mips_cp0_names_xlr[32] = { | |
339 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
340 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
341 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
342 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
343 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
344 | "c0_xcontext", "$21", "$22", "c0_debug", | |
345 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
346 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
347 | }; | |
348 | ||
349 | /* XLR's CP0 Select Registers. */ | |
350 | ||
351 | static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = { | |
352 | { 9, 6, "c0_extintreq" }, | |
353 | { 9, 7, "c0_extintmask" }, | |
354 | { 15, 1, "c0_ebase" }, | |
355 | { 16, 1, "c0_config1" }, | |
356 | { 16, 2, "c0_config2" }, | |
357 | { 16, 3, "c0_config3" }, | |
358 | { 16, 7, "c0_procid2" }, | |
359 | { 18, 1, "c0_watchlo,1" }, | |
360 | { 18, 2, "c0_watchlo,2" }, | |
361 | { 18, 3, "c0_watchlo,3" }, | |
362 | { 18, 4, "c0_watchlo,4" }, | |
363 | { 18, 5, "c0_watchlo,5" }, | |
364 | { 18, 6, "c0_watchlo,6" }, | |
365 | { 18, 7, "c0_watchlo,7" }, | |
366 | { 19, 1, "c0_watchhi,1" }, | |
367 | { 19, 2, "c0_watchhi,2" }, | |
368 | { 19, 3, "c0_watchhi,3" }, | |
369 | { 19, 4, "c0_watchhi,4" }, | |
370 | { 19, 5, "c0_watchhi,5" }, | |
371 | { 19, 6, "c0_watchhi,6" }, | |
372 | { 19, 7, "c0_watchhi,7" }, | |
373 | { 25, 1, "c0_perfcnt,1" }, | |
374 | { 25, 2, "c0_perfcnt,2" }, | |
375 | { 25, 3, "c0_perfcnt,3" }, | |
376 | { 25, 4, "c0_perfcnt,4" }, | |
377 | { 25, 5, "c0_perfcnt,5" }, | |
378 | { 25, 6, "c0_perfcnt,6" }, | |
379 | { 25, 7, "c0_perfcnt,7" }, | |
380 | { 27, 1, "c0_cacheerr,1" }, | |
381 | { 27, 2, "c0_cacheerr,2" }, | |
382 | { 27, 3, "c0_cacheerr,3" }, | |
383 | { 28, 1, "c0_datalo" }, | |
384 | { 29, 1, "c0_datahi" } | |
385 | }; | |
386 | ||
47b0e7ad NC |
387 | static const char * const mips_hwr_names_numeric[32] = |
388 | { | |
af7ee8bf CD |
389 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
390 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
391 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
392 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
393 | }; | |
394 | ||
47b0e7ad NC |
395 | static const char * const mips_hwr_names_mips3264r2[32] = |
396 | { | |
af7ee8bf CD |
397 | "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres", |
398 | "$4", "$5", "$6", "$7", | |
399 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
400 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
401 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
402 | }; | |
403 | ||
47b0e7ad NC |
404 | struct mips_abi_choice |
405 | { | |
406 | const char * name; | |
640c0ccd CD |
407 | const char * const *gpr_names; |
408 | const char * const *fpr_names; | |
409 | }; | |
410 | ||
47b0e7ad NC |
411 | struct mips_abi_choice mips_abi_choices[] = |
412 | { | |
640c0ccd CD |
413 | { "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric }, |
414 | { "32", mips_gpr_names_oldabi, mips_fpr_names_32 }, | |
415 | { "n32", mips_gpr_names_newabi, mips_fpr_names_n32 }, | |
416 | { "64", mips_gpr_names_newabi, mips_fpr_names_64 }, | |
417 | }; | |
418 | ||
47b0e7ad NC |
419 | struct mips_arch_choice |
420 | { | |
640c0ccd CD |
421 | const char *name; |
422 | int bfd_mach_valid; | |
423 | unsigned long bfd_mach; | |
424 | int processor; | |
425 | int isa; | |
d301a56b | 426 | int ase; |
640c0ccd | 427 | const char * const *cp0_names; |
bbcc0807 CD |
428 | const struct mips_cp0sel_name *cp0sel_names; |
429 | unsigned int cp0sel_names_len; | |
af7ee8bf | 430 | const char * const *hwr_names; |
640c0ccd CD |
431 | }; |
432 | ||
47b0e7ad NC |
433 | const struct mips_arch_choice mips_arch_choices[] = |
434 | { | |
d301a56b | 435 | { "numeric", 0, 0, 0, 0, 0, |
bbcc0807 CD |
436 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
437 | ||
d301a56b | 438 | { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, 0, |
f409fd1e | 439 | mips_cp0_names_r3000, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 440 | { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, 0, |
bbcc0807 | 441 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 442 | { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, 0, |
f409fd1e | 443 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 444 | { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, 0, |
bbcc0807 | 445 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 446 | { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, 0, |
bbcc0807 | 447 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 448 | { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, 0, |
bbcc0807 | 449 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 450 | { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, 0, |
bbcc0807 | 451 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 452 | { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, 0, |
bbcc0807 | 453 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 454 | { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, 0, |
f409fd1e | 455 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 456 | { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, 0, |
bbcc0807 | 457 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 458 | { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, 0, |
bbcc0807 | 459 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 460 | { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, 0, |
bbcc0807 | 461 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 462 | { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, 0, |
bbcc0807 | 463 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 464 | { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, 0, |
bbcc0807 | 465 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 466 | { "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, 0, |
e407c74b | 467 | mips_cp0_names_r5900, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 468 | { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, 0, |
bbcc0807 | 469 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 470 | { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, |
5a7ea749 | 471 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 472 | { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, 0, |
5a7ea749 | 473 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 474 | { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, 0, |
bbcc0807 | 475 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 476 | { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, 0, |
bbcc0807 | 477 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 478 | { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, 0, |
bbcc0807 | 479 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 480 | { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, 0, |
3aa3176b | 481 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 482 | { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, 0, |
3aa3176b | 483 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
d301a56b | 484 | { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, 0, |
bbcc0807 CD |
485 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
486 | ||
640c0ccd CD |
487 | /* For stock MIPS32, disassemble all applicable MIPS-specified ASEs. |
488 | Note that MIPS-3D and MDMX are not applicable to MIPS32. (See | |
489 | _MIPS32 Architecture For Programmers Volume I: Introduction to the | |
490 | MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95), | |
491 | page 1. */ | |
492 | { "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32, | |
d301a56b | 493 | ISA_MIPS32, ASE_SMARTMIPS, |
bbcc0807 CD |
494 | mips_cp0_names_mips3264, |
495 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
496 | mips_hwr_names_numeric }, | |
497 | ||
af7ee8bf | 498 | { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2, |
d301a56b | 499 | ISA_MIPS32R2, |
7f3c4072 CM |
500 | (ASE_SMARTMIPS | ASE_DSP | ASE_DSPR2 | ASE_EVA | ASE_MIPS3D |
501 | | ASE_MT | ASE_MCU | ASE_VIRT), | |
bbcc0807 CD |
502 | mips_cp0_names_mips3264r2, |
503 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
504 | mips_hwr_names_mips3264r2 }, | |
505 | ||
640c0ccd CD |
506 | /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */ |
507 | { "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64, | |
d301a56b | 508 | ISA_MIPS64, ASE_MIPS3D | ASE_MDMX, |
bbcc0807 CD |
509 | mips_cp0_names_mips3264, |
510 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
511 | mips_hwr_names_numeric }, | |
512 | ||
5f74bc13 | 513 | { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2, |
d301a56b | 514 | ISA_MIPS64R2, |
7f3c4072 CM |
515 | (ASE_MIPS3D | ASE_DSP | ASE_DSPR2 | ASE_DSP64 | ASE_EVA | ASE_MT |
516 | | ASE_MDMX | ASE_MCU | ASE_VIRT | ASE_VIRT64), | |
5f74bc13 CD |
517 | mips_cp0_names_mips3264r2, |
518 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
519 | mips_hwr_names_mips3264r2 }, | |
520 | ||
640c0ccd | 521 | { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1, |
d301a56b | 522 | ISA_MIPS64 | INSN_SB1, ASE_MIPS3D, |
bbcc0807 CD |
523 | mips_cp0_names_sb1, |
524 | mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1), | |
525 | mips_hwr_names_numeric }, | |
640c0ccd | 526 | |
350cc38d | 527 | { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E, |
d301a56b | 528 | ISA_MIPS3 | INSN_LOONGSON_2E, 0, mips_cp0_names_numeric, |
350cc38d MS |
529 | NULL, 0, mips_hwr_names_numeric }, |
530 | ||
531 | { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F, | |
d301a56b | 532 | ISA_MIPS3 | INSN_LOONGSON_2F, 0, mips_cp0_names_numeric, |
350cc38d MS |
533 | NULL, 0, mips_hwr_names_numeric }, |
534 | ||
fd503541 | 535 | { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A, |
d301a56b | 536 | ISA_MIPS64 | INSN_LOONGSON_3A, 0, mips_cp0_names_numeric, |
fd503541 NC |
537 | NULL, 0, mips_hwr_names_numeric }, |
538 | ||
57b592a3 | 539 | { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON, |
d301a56b | 540 | ISA_MIPS64R2 | INSN_OCTEON, 0, mips_cp0_names_numeric, NULL, 0, |
57b592a3 AN |
541 | mips_hwr_names_numeric }, |
542 | ||
dd6a37e7 | 543 | { "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP, |
d301a56b | 544 | ISA_MIPS64R2 | INSN_OCTEONP, 0, mips_cp0_names_numeric, |
432233b3 AP |
545 | NULL, 0, mips_hwr_names_numeric }, |
546 | ||
547 | { "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2, | |
d301a56b | 548 | ISA_MIPS64R2 | INSN_OCTEON2, 0, mips_cp0_names_numeric, |
dd6a37e7 AP |
549 | NULL, 0, mips_hwr_names_numeric }, |
550 | ||
52b6b6b9 | 551 | { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR, |
d301a56b | 552 | ISA_MIPS64 | INSN_XLR, 0, |
52b6b6b9 JM |
553 | mips_cp0_names_xlr, |
554 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
555 | mips_hwr_names_numeric }, | |
556 | ||
55a36193 MK |
557 | /* XLP is mostly like XLR, with the prominent exception it is being |
558 | MIPS64R2. */ | |
559 | { "xlp", 1, bfd_mach_mips_xlr, CPU_XLR, | |
d301a56b | 560 | ISA_MIPS64R2 | INSN_XLR, 0, |
55a36193 MK |
561 | mips_cp0_names_xlr, |
562 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
563 | mips_hwr_names_numeric }, | |
564 | ||
640c0ccd CD |
565 | /* This entry, mips16, is here only for ISA/processor selection; do |
566 | not print its name. */ | |
d301a56b | 567 | { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3, 0, |
bbcc0807 | 568 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd CD |
569 | }; |
570 | ||
571 | /* ISA and processor type to disassemble for, and register names to use. | |
572 | set_default_mips_dis_options and parse_mips_dis_options fill in these | |
573 | values. */ | |
574 | static int mips_processor; | |
575 | static int mips_isa; | |
d301a56b | 576 | static int mips_ase; |
df58fc94 | 577 | static int micromips_ase; |
640c0ccd CD |
578 | static const char * const *mips_gpr_names; |
579 | static const char * const *mips_fpr_names; | |
580 | static const char * const *mips_cp0_names; | |
bbcc0807 CD |
581 | static const struct mips_cp0sel_name *mips_cp0sel_names; |
582 | static int mips_cp0sel_names_len; | |
af7ee8bf | 583 | static const char * const *mips_hwr_names; |
640c0ccd | 584 | |
986e18a5 | 585 | /* Other options */ |
47b0e7ad | 586 | static int no_aliases; /* If set disassemble as most general inst. */ |
640c0ccd CD |
587 | \f |
588 | static const struct mips_abi_choice * | |
47b0e7ad | 589 | choose_abi_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
590 | { |
591 | const struct mips_abi_choice *c; | |
592 | unsigned int i; | |
593 | ||
594 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++) | |
47b0e7ad NC |
595 | if (strncmp (mips_abi_choices[i].name, name, namelen) == 0 |
596 | && strlen (mips_abi_choices[i].name) == namelen) | |
597 | c = &mips_abi_choices[i]; | |
598 | ||
640c0ccd CD |
599 | return c; |
600 | } | |
601 | ||
602 | static const struct mips_arch_choice * | |
47b0e7ad | 603 | choose_arch_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
604 | { |
605 | const struct mips_arch_choice *c = NULL; | |
606 | unsigned int i; | |
607 | ||
608 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
47b0e7ad NC |
609 | if (strncmp (mips_arch_choices[i].name, name, namelen) == 0 |
610 | && strlen (mips_arch_choices[i].name) == namelen) | |
611 | c = &mips_arch_choices[i]; | |
612 | ||
640c0ccd CD |
613 | return c; |
614 | } | |
615 | ||
616 | static const struct mips_arch_choice * | |
47b0e7ad | 617 | choose_arch_by_number (unsigned long mach) |
640c0ccd CD |
618 | { |
619 | static unsigned long hint_bfd_mach; | |
620 | static const struct mips_arch_choice *hint_arch_choice; | |
621 | const struct mips_arch_choice *c; | |
622 | unsigned int i; | |
623 | ||
624 | /* We optimize this because even if the user specifies no | |
625 | flags, this will be done for every instruction! */ | |
626 | if (hint_bfd_mach == mach | |
627 | && hint_arch_choice != NULL | |
628 | && hint_arch_choice->bfd_mach == hint_bfd_mach) | |
629 | return hint_arch_choice; | |
630 | ||
631 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
632 | { | |
633 | if (mips_arch_choices[i].bfd_mach_valid | |
634 | && mips_arch_choices[i].bfd_mach == mach) | |
635 | { | |
636 | c = &mips_arch_choices[i]; | |
637 | hint_bfd_mach = mach; | |
638 | hint_arch_choice = c; | |
639 | } | |
640 | } | |
641 | return c; | |
642 | } | |
643 | ||
47b0e7ad NC |
644 | /* Check if the object uses NewABI conventions. */ |
645 | ||
646 | static int | |
647 | is_newabi (Elf_Internal_Ehdr *header) | |
648 | { | |
649 | /* There are no old-style ABIs which use 64-bit ELF. */ | |
650 | if (header->e_ident[EI_CLASS] == ELFCLASS64) | |
651 | return 1; | |
652 | ||
653 | /* If a 32-bit ELF file, n32 is a new-style ABI. */ | |
654 | if ((header->e_flags & EF_MIPS_ABI2) != 0) | |
655 | return 1; | |
656 | ||
657 | return 0; | |
658 | } | |
659 | ||
df58fc94 RS |
660 | /* Check if the object has microMIPS ASE code. */ |
661 | ||
662 | static int | |
663 | is_micromips (Elf_Internal_Ehdr *header) | |
664 | { | |
665 | if ((header->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0) | |
666 | return 1; | |
667 | ||
668 | return 0; | |
669 | } | |
670 | ||
47b0e7ad NC |
671 | static void |
672 | set_default_mips_dis_options (struct disassemble_info *info) | |
640c0ccd CD |
673 | { |
674 | const struct mips_arch_choice *chosen_arch; | |
675 | ||
df58fc94 RS |
676 | /* Defaults: mipsIII/r3000 (?!), no microMIPS ASE (any compressed code |
677 | is MIPS16 ASE) (o)32-style ("oldabi") GPR names, and numeric FPR, | |
678 | CP0 register, and HWR names. */ | |
640c0ccd | 679 | mips_isa = ISA_MIPS3; |
df58fc94 RS |
680 | mips_processor = CPU_R3000; |
681 | micromips_ase = 0; | |
d301a56b | 682 | mips_ase = 0; |
640c0ccd CD |
683 | mips_gpr_names = mips_gpr_names_oldabi; |
684 | mips_fpr_names = mips_fpr_names_numeric; | |
685 | mips_cp0_names = mips_cp0_names_numeric; | |
bbcc0807 CD |
686 | mips_cp0sel_names = NULL; |
687 | mips_cp0sel_names_len = 0; | |
af7ee8bf | 688 | mips_hwr_names = mips_hwr_names_numeric; |
986e18a5 | 689 | no_aliases = 0; |
640c0ccd | 690 | |
df58fc94 | 691 | /* Update settings according to the ELF file header flags. */ |
fec06546 | 692 | if (info->flavour == bfd_target_elf_flavour && info->section != NULL) |
640c0ccd CD |
693 | { |
694 | Elf_Internal_Ehdr *header; | |
695 | ||
fec06546 | 696 | header = elf_elfheader (info->section->owner); |
df58fc94 | 697 | /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */ |
640c0ccd CD |
698 | if (is_newabi (header)) |
699 | mips_gpr_names = mips_gpr_names_newabi; | |
df58fc94 RS |
700 | /* If a microMIPS binary, then don't use MIPS16 bindings. */ |
701 | micromips_ase = is_micromips (header); | |
640c0ccd CD |
702 | } |
703 | ||
704 | /* Set ISA, architecture, and cp0 register names as best we can. */ | |
705 | #if ! SYMTAB_AVAILABLE | |
706 | /* This is running out on a target machine, not in a host tool. | |
707 | FIXME: Where does mips_target_info come from? */ | |
708 | target_processor = mips_target_info.processor; | |
709 | mips_isa = mips_target_info.isa; | |
d301a56b | 710 | mips_ase = mips_target_info.ase; |
640c0ccd CD |
711 | #else |
712 | chosen_arch = choose_arch_by_number (info->mach); | |
713 | if (chosen_arch != NULL) | |
714 | { | |
715 | mips_processor = chosen_arch->processor; | |
716 | mips_isa = chosen_arch->isa; | |
d301a56b | 717 | mips_ase = chosen_arch->ase; |
bbcc0807 CD |
718 | mips_cp0_names = chosen_arch->cp0_names; |
719 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
720 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
721 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
722 | } |
723 | #endif | |
724 | } | |
725 | ||
47b0e7ad NC |
726 | static void |
727 | parse_mips_dis_option (const char *option, unsigned int len) | |
640c0ccd CD |
728 | { |
729 | unsigned int i, optionlen, vallen; | |
730 | const char *val; | |
731 | const struct mips_abi_choice *chosen_abi; | |
732 | const struct mips_arch_choice *chosen_arch; | |
733 | ||
986e18a5 | 734 | /* Try to match options that are simple flags */ |
0112cd26 | 735 | if (CONST_STRNEQ (option, "no-aliases")) |
986e18a5 FF |
736 | { |
737 | no_aliases = 1; | |
738 | return; | |
739 | } | |
b015e599 AP |
740 | |
741 | if (CONST_STRNEQ (option, "virt")) | |
742 | { | |
d301a56b | 743 | mips_ase |= ASE_VIRT; |
b015e599 | 744 | if (mips_isa & ISA_MIPS64R2) |
d301a56b | 745 | mips_ase |= ASE_VIRT64; |
b015e599 AP |
746 | return; |
747 | } | |
986e18a5 | 748 | |
640c0ccd CD |
749 | /* Look for the = that delimits the end of the option name. */ |
750 | for (i = 0; i < len; i++) | |
47b0e7ad NC |
751 | if (option[i] == '=') |
752 | break; | |
753 | ||
640c0ccd CD |
754 | if (i == 0) /* Invalid option: no name before '='. */ |
755 | return; | |
756 | if (i == len) /* Invalid option: no '='. */ | |
757 | return; | |
758 | if (i == (len - 1)) /* Invalid option: no value after '='. */ | |
759 | return; | |
760 | ||
761 | optionlen = i; | |
762 | val = option + (optionlen + 1); | |
763 | vallen = len - (optionlen + 1); | |
764 | ||
47b0e7ad NC |
765 | if (strncmp ("gpr-names", option, optionlen) == 0 |
766 | && strlen ("gpr-names") == optionlen) | |
640c0ccd CD |
767 | { |
768 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 769 | if (chosen_abi != NULL) |
640c0ccd CD |
770 | mips_gpr_names = chosen_abi->gpr_names; |
771 | return; | |
772 | } | |
773 | ||
47b0e7ad NC |
774 | if (strncmp ("fpr-names", option, optionlen) == 0 |
775 | && strlen ("fpr-names") == optionlen) | |
640c0ccd CD |
776 | { |
777 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 778 | if (chosen_abi != NULL) |
640c0ccd CD |
779 | mips_fpr_names = chosen_abi->fpr_names; |
780 | return; | |
781 | } | |
782 | ||
47b0e7ad NC |
783 | if (strncmp ("cp0-names", option, optionlen) == 0 |
784 | && strlen ("cp0-names") == optionlen) | |
640c0ccd CD |
785 | { |
786 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 CD |
787 | if (chosen_arch != NULL) |
788 | { | |
789 | mips_cp0_names = chosen_arch->cp0_names; | |
790 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
791 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
792 | } | |
640c0ccd CD |
793 | return; |
794 | } | |
795 | ||
47b0e7ad NC |
796 | if (strncmp ("hwr-names", option, optionlen) == 0 |
797 | && strlen ("hwr-names") == optionlen) | |
af7ee8bf CD |
798 | { |
799 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 | 800 | if (chosen_arch != NULL) |
af7ee8bf CD |
801 | mips_hwr_names = chosen_arch->hwr_names; |
802 | return; | |
803 | } | |
804 | ||
47b0e7ad NC |
805 | if (strncmp ("reg-names", option, optionlen) == 0 |
806 | && strlen ("reg-names") == optionlen) | |
640c0ccd CD |
807 | { |
808 | /* We check both ABI and ARCH here unconditionally, so | |
809 | that "numeric" will do the desirable thing: select | |
810 | numeric register names for all registers. Other than | |
811 | that, a given name probably won't match both. */ | |
812 | chosen_abi = choose_abi_by_name (val, vallen); | |
813 | if (chosen_abi != NULL) | |
814 | { | |
bbcc0807 CD |
815 | mips_gpr_names = chosen_abi->gpr_names; |
816 | mips_fpr_names = chosen_abi->fpr_names; | |
640c0ccd CD |
817 | } |
818 | chosen_arch = choose_arch_by_name (val, vallen); | |
819 | if (chosen_arch != NULL) | |
820 | { | |
bbcc0807 CD |
821 | mips_cp0_names = chosen_arch->cp0_names; |
822 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
823 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
824 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
825 | } |
826 | return; | |
827 | } | |
828 | ||
829 | /* Invalid option. */ | |
830 | } | |
831 | ||
47b0e7ad NC |
832 | static void |
833 | parse_mips_dis_options (const char *options) | |
640c0ccd CD |
834 | { |
835 | const char *option_end; | |
836 | ||
837 | if (options == NULL) | |
838 | return; | |
839 | ||
840 | while (*options != '\0') | |
841 | { | |
842 | /* Skip empty options. */ | |
843 | if (*options == ',') | |
844 | { | |
845 | options++; | |
846 | continue; | |
847 | } | |
848 | ||
849 | /* We know that *options is neither NUL or a comma. */ | |
850 | option_end = options + 1; | |
851 | while (*option_end != ',' && *option_end != '\0') | |
852 | option_end++; | |
853 | ||
854 | parse_mips_dis_option (options, option_end - options); | |
855 | ||
856 | /* Go on to the next one. If option_end points to a comma, it | |
857 | will be skipped above. */ | |
858 | options = option_end; | |
859 | } | |
860 | } | |
861 | ||
bbcc0807 | 862 | static const struct mips_cp0sel_name * |
47b0e7ad NC |
863 | lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names, |
864 | unsigned int len, | |
865 | unsigned int cp0reg, | |
866 | unsigned int sel) | |
bbcc0807 CD |
867 | { |
868 | unsigned int i; | |
869 | ||
870 | for (i = 0; i < len; i++) | |
871 | if (names[i].cp0reg == cp0reg && names[i].sel == sel) | |
872 | return &names[i]; | |
873 | return NULL; | |
874 | } | |
ab902481 RS |
875 | |
876 | /* Print register REGNO, of type TYPE, for instruction OPCODE. */ | |
aa5f19f2 | 877 | |
794ac9d0 | 878 | static void |
ab902481 RS |
879 | print_reg (struct disassemble_info *info, const struct mips_opcode *opcode, |
880 | enum mips_reg_operand_type type, int regno) | |
252b5132 | 881 | { |
ab902481 RS |
882 | switch (type) |
883 | { | |
884 | case OP_REG_GP: | |
885 | info->fprintf_func (info->stream, "%s", mips_gpr_names[regno]); | |
886 | break; | |
440cc0bc | 887 | |
ab902481 RS |
888 | case OP_REG_FP: |
889 | info->fprintf_func (info->stream, "%s", mips_fpr_names[regno]); | |
890 | break; | |
252b5132 | 891 | |
ab902481 RS |
892 | case OP_REG_CCC: |
893 | if (opcode->pinfo & (FP_D | FP_S)) | |
894 | info->fprintf_func (info->stream, "$fcc%d", regno); | |
895 | else | |
896 | info->fprintf_func (info->stream, "$cc%d", regno); | |
897 | break; | |
794ac9d0 | 898 | |
ab902481 RS |
899 | case OP_REG_VEC: |
900 | if (opcode->membership & INSN_5400) | |
901 | info->fprintf_func (info->stream, "$f%d", regno); | |
902 | else | |
903 | info->fprintf_func (info->stream, "$v%d", regno); | |
904 | break; | |
794ac9d0 | 905 | |
ab902481 RS |
906 | case OP_REG_ACC: |
907 | info->fprintf_func (info->stream, "$ac%d", regno); | |
908 | break; | |
794ac9d0 | 909 | |
ab902481 RS |
910 | case OP_REG_COPRO: |
911 | if (opcode->name[strlen (opcode->name) - 1] == '0') | |
912 | info->fprintf_func (info->stream, "%s", mips_cp0_names[regno]); | |
913 | else | |
914 | info->fprintf_func (info->stream, "$%d", regno); | |
915 | break; | |
8b082fb1 | 916 | |
ab902481 RS |
917 | case OP_REG_HW: |
918 | info->fprintf_func (info->stream, "%s", mips_hwr_names[regno]); | |
919 | break; | |
920 | } | |
921 | } | |
922 | \f | |
923 | /* Used to track the state carried over from previous operands in | |
924 | an instruction. */ | |
925 | struct mips_print_arg_state { | |
926 | /* The value of the last OP_INT seen. We only use this for OP_MSB, | |
927 | where the value is known to be unsigned and small. */ | |
928 | unsigned int last_int; | |
929 | ||
930 | /* The type and number of the last OP_REG seen. We only use this for | |
931 | OP_REPEAT_DEST_REG and OP_REPEAT_PREV_REG. */ | |
932 | enum mips_reg_operand_type last_reg_type; | |
933 | unsigned int last_regno; | |
934 | }; | |
fd25c5a9 | 935 | |
ab902481 | 936 | /* Initialize STATE for the start of an instruction. */ |
fd25c5a9 | 937 | |
ab902481 RS |
938 | static inline void |
939 | init_print_arg_state (struct mips_print_arg_state *state) | |
940 | { | |
941 | memset (state, 0, sizeof (*state)); | |
942 | } | |
fd25c5a9 | 943 | |
ab902481 RS |
944 | /* Print operand OPERAND of OPCODE, using STATE to track inter-operand state. |
945 | UVAL is the encoding of the operand (shifted into bit 0) and BASE_PC is | |
946 | the base address for OP_PCREL operands. */ | |
fd25c5a9 | 947 | |
ab902481 RS |
948 | static void |
949 | print_insn_arg (struct disassemble_info *info, | |
950 | struct mips_print_arg_state *state, | |
951 | const struct mips_opcode *opcode, | |
952 | const struct mips_operand *operand, | |
953 | bfd_vma base_pc, | |
954 | unsigned int uval) | |
955 | { | |
956 | const fprintf_ftype infprintf = info->fprintf_func; | |
957 | void *is = info->stream; | |
fd25c5a9 | 958 | |
ab902481 RS |
959 | switch (operand->type) |
960 | { | |
961 | case OP_INT: | |
962 | { | |
963 | const struct mips_int_operand *int_op; | |
fd25c5a9 | 964 | |
ab902481 RS |
965 | int_op = (const struct mips_int_operand *) operand; |
966 | uval = mips_decode_int_operand (int_op, uval); | |
967 | state->last_int = uval; | |
968 | if (int_op->print_hex) | |
969 | infprintf (is, "0x%x", uval); | |
970 | else | |
971 | infprintf (is, "%d", uval); | |
972 | } | |
973 | break; | |
fd25c5a9 | 974 | |
ab902481 RS |
975 | case OP_MAPPED_INT: |
976 | { | |
977 | const struct mips_mapped_int_operand *mint_op; | |
fd25c5a9 | 978 | |
ab902481 RS |
979 | mint_op = (const struct mips_mapped_int_operand *) operand; |
980 | uval = mint_op->int_map[uval]; | |
981 | state->last_int = uval; | |
982 | if (mint_op->print_hex) | |
983 | infprintf (is, "0x%x", uval); | |
984 | else | |
985 | infprintf (is, "%d", uval); | |
986 | } | |
987 | break; | |
fd25c5a9 | 988 | |
ab902481 RS |
989 | case OP_MSB: |
990 | { | |
991 | const struct mips_msb_operand *msb_op; | |
dec0624d | 992 | |
ab902481 RS |
993 | msb_op = (const struct mips_msb_operand *) operand; |
994 | uval += msb_op->bias; | |
995 | if (msb_op->add_lsb) | |
996 | uval -= state->last_int; | |
997 | infprintf (is, "0x%x", uval); | |
998 | } | |
999 | break; | |
dec0624d | 1000 | |
ab902481 RS |
1001 | case OP_REG: |
1002 | { | |
1003 | const struct mips_reg_operand *reg_op; | |
fd25c5a9 | 1004 | |
ab902481 RS |
1005 | reg_op = (const struct mips_reg_operand *) operand; |
1006 | if (reg_op->reg_map) | |
1007 | uval = reg_op->reg_map[uval]; | |
1008 | print_reg (info, opcode, reg_op->reg_type, uval); | |
fd25c5a9 | 1009 | |
ab902481 RS |
1010 | state->last_reg_type = reg_op->reg_type; |
1011 | state->last_regno = uval; | |
1012 | } | |
1013 | break; | |
61cc0267 | 1014 | |
ab902481 RS |
1015 | case OP_REG_PAIR: |
1016 | { | |
1017 | const struct mips_reg_pair_operand *pair_op; | |
1018 | ||
1019 | pair_op = (const struct mips_reg_pair_operand *) operand; | |
1020 | print_reg (info, opcode, pair_op->reg_type, | |
1021 | pair_op->reg1_map[uval]); | |
1022 | infprintf (is, ","); | |
1023 | print_reg (info, opcode, pair_op->reg_type, | |
1024 | pair_op->reg2_map[uval]); | |
1025 | } | |
1026 | break; | |
61cc0267 | 1027 | |
ab902481 RS |
1028 | case OP_PCREL: |
1029 | { | |
1030 | const struct mips_pcrel_operand *pcrel_op; | |
61cc0267 | 1031 | |
ab902481 RS |
1032 | pcrel_op = (const struct mips_pcrel_operand *) operand; |
1033 | info->target = mips_decode_pcrel_operand (pcrel_op, base_pc, uval); | |
61cc0267 | 1034 | |
ab902481 RS |
1035 | /* Preserve the ISA bit for the GDB disassembler, |
1036 | otherwise clear it. */ | |
1037 | if (info->flavour != bfd_target_unknown_flavour) | |
1038 | info->target &= -2; | |
61cc0267 | 1039 | |
ab902481 RS |
1040 | (*info->print_address_func) (info->target, info); |
1041 | } | |
1042 | break; | |
794ac9d0 | 1043 | |
ab902481 RS |
1044 | case OP_PERF_REG: |
1045 | infprintf (is, "%d", uval); | |
1046 | break; | |
794ac9d0 | 1047 | |
ab902481 RS |
1048 | case OP_ADDIUSP_INT: |
1049 | { | |
1050 | int sval; | |
794ac9d0 | 1051 | |
ab902481 RS |
1052 | sval = mips_signed_operand (operand, uval) * 4; |
1053 | if (sval >= -8 && sval < 8) | |
1054 | sval ^= 0x400; | |
1055 | infprintf (is, "%d", sval); | |
1056 | break; | |
1057 | } | |
794ac9d0 | 1058 | |
ab902481 RS |
1059 | case OP_CLO_CLZ_DEST: |
1060 | { | |
1061 | unsigned int reg1, reg2; | |
1062 | ||
1063 | reg1 = uval & 31; | |
1064 | reg2 = uval >> 5; | |
1065 | /* If one is zero use the other. */ | |
1066 | if (reg1 == reg2 || reg2 == 0) | |
1067 | infprintf (is, "%s", mips_gpr_names[reg1]); | |
1068 | else if (reg1 == 0) | |
1069 | infprintf (is, "%s", mips_gpr_names[reg2]); | |
1070 | else | |
1071 | /* Bogus, result depends on processor. */ | |
1072 | infprintf (is, "%s or %s", mips_gpr_names[reg1], | |
1073 | mips_gpr_names[reg2]); | |
1074 | } | |
1075 | break; | |
794ac9d0 | 1076 | |
ab902481 RS |
1077 | case OP_LWM_SWM_LIST: |
1078 | if (operand->size == 2) | |
1079 | { | |
1080 | if (uval == 0) | |
1081 | infprintf (is, "%s,%s", | |
1082 | mips_gpr_names[16], | |
1083 | mips_gpr_names[31]); | |
1084 | else | |
1085 | infprintf (is, "%s-%s,%s", | |
1086 | mips_gpr_names[16], | |
1087 | mips_gpr_names[16 + uval], | |
1088 | mips_gpr_names[31]); | |
1089 | } | |
1090 | else | |
1091 | { | |
1092 | int s_reg_encode; | |
794ac9d0 | 1093 | |
ab902481 RS |
1094 | s_reg_encode = uval & 0xf; |
1095 | if (s_reg_encode != 0) | |
1096 | { | |
1097 | if (s_reg_encode == 1) | |
1098 | infprintf (is, "%s", mips_gpr_names[16]); | |
1099 | else if (s_reg_encode < 9) | |
1100 | infprintf (is, "%s-%s", | |
1101 | mips_gpr_names[16], | |
1102 | mips_gpr_names[15 + s_reg_encode]); | |
1103 | else if (s_reg_encode == 9) | |
1104 | infprintf (is, "%s-%s,%s", | |
1105 | mips_gpr_names[16], | |
1106 | mips_gpr_names[23], | |
1107 | mips_gpr_names[30]); | |
1108 | else | |
1109 | infprintf (is, "UNKNOWN"); | |
1110 | } | |
794ac9d0 | 1111 | |
ab902481 RS |
1112 | if (uval & 0x10) /* For ra. */ |
1113 | { | |
1114 | if (s_reg_encode == 0) | |
1115 | infprintf (is, "%s", mips_gpr_names[31]); | |
1116 | else | |
1117 | infprintf (is, ",%s", mips_gpr_names[31]); | |
1118 | } | |
1119 | } | |
1120 | break; | |
794ac9d0 | 1121 | |
c3c07478 RS |
1122 | case OP_ENTRY_EXIT_LIST: |
1123 | { | |
1124 | const char *sep; | |
1125 | unsigned int amask, smask; | |
1126 | ||
1127 | sep = ""; | |
1128 | amask = (uval >> 3) & 7; | |
1129 | if (amask > 0 && amask < 5) | |
1130 | { | |
1131 | infprintf (is, "%s", mips_gpr_names[4]); | |
1132 | if (amask > 1) | |
1133 | infprintf (is, "-%s", mips_gpr_names[amask + 3]); | |
1134 | sep = ","; | |
1135 | } | |
1136 | ||
1137 | smask = (uval >> 1) & 3; | |
1138 | if (smask == 3) | |
1139 | { | |
1140 | infprintf (is, "%s??", sep); | |
1141 | sep = ","; | |
1142 | } | |
1143 | else if (smask > 0) | |
1144 | { | |
1145 | infprintf (is, "%s%s", sep, mips_gpr_names[16]); | |
1146 | if (smask > 1) | |
1147 | infprintf (is, "-%s", mips_gpr_names[smask + 15]); | |
1148 | sep = ","; | |
1149 | } | |
1150 | ||
1151 | if (uval & 1) | |
1152 | { | |
1153 | infprintf (is, "%s%s", sep, mips_gpr_names[31]); | |
1154 | sep = ","; | |
1155 | } | |
1156 | ||
1157 | if (amask == 5 || amask == 6) | |
1158 | { | |
1159 | infprintf (is, "%s%s", sep, mips_fpr_names[0]); | |
1160 | if (amask == 6) | |
1161 | infprintf (is, "-%s", mips_fpr_names[1]); | |
1162 | } | |
1163 | } | |
1164 | break; | |
1165 | ||
1166 | case OP_SAVE_RESTORE_LIST: | |
1167 | /* Should be handled by the caller due to extend behavior. */ | |
1168 | abort (); | |
1169 | ||
ab902481 RS |
1170 | case OP_MDMX_IMM_REG: |
1171 | { | |
1172 | unsigned int vsel; | |
794ac9d0 | 1173 | |
ab902481 RS |
1174 | vsel = uval >> 5; |
1175 | uval &= 31; | |
1176 | if ((vsel & 0x10) == 0) | |
794ac9d0 | 1177 | { |
ab902481 RS |
1178 | int fmt; |
1179 | ||
1180 | vsel &= 0x0f; | |
1181 | for (fmt = 0; fmt < 3; fmt++, vsel >>= 1) | |
1182 | if ((vsel & 1) == 0) | |
1183 | break; | |
1184 | print_reg (info, opcode, OP_REG_VEC, uval); | |
1185 | infprintf (is, "[%d]", vsel >> 1); | |
794ac9d0 | 1186 | } |
ab902481 RS |
1187 | else if ((vsel & 0x08) == 0) |
1188 | print_reg (info, opcode, OP_REG_VEC, uval); | |
1189 | else | |
1190 | infprintf (is, "0x%x", uval); | |
1191 | } | |
1192 | break; | |
794ac9d0 | 1193 | |
ab902481 RS |
1194 | case OP_REPEAT_PREV_REG: |
1195 | print_reg (info, opcode, state->last_reg_type, state->last_regno); | |
1196 | break; | |
794ac9d0 | 1197 | |
ab902481 RS |
1198 | case OP_REPEAT_DEST_REG: |
1199 | /* Should always match OP_REPEAT_PREV_REG first. */ | |
1200 | abort (); | |
794ac9d0 | 1201 | |
ab902481 RS |
1202 | case OP_PC: |
1203 | infprintf (is, "$pc"); | |
1204 | break; | |
1205 | } | |
1206 | } | |
794ac9d0 | 1207 | |
ab902481 RS |
1208 | /* Print the arguments for INSN, which is described by OPCODE. |
1209 | Use DECODE_OPERAND to get the encoding of each operand. Use BASE_PC | |
1210 | as the base of OP_PCREL operands. */ | |
af7ee8bf | 1211 | |
ab902481 RS |
1212 | static void |
1213 | print_insn_args (struct disassemble_info *info, | |
1214 | const struct mips_opcode *opcode, | |
1215 | const struct mips_operand *(*decode_operand) (const char *), | |
1216 | unsigned int insn, bfd_vma base_pc) | |
1217 | { | |
1218 | const fprintf_ftype infprintf = info->fprintf_func; | |
1219 | void *is = info->stream; | |
1220 | struct mips_print_arg_state state; | |
1221 | const struct mips_operand *operand; | |
1222 | const char *s; | |
794ac9d0 | 1223 | |
ab902481 RS |
1224 | init_print_arg_state (&state); |
1225 | for (s = opcode->args; *s; ++s) | |
1226 | { | |
1227 | switch (*s) | |
1228 | { | |
1229 | case ',': | |
1230 | case '(': | |
1231 | case ')': | |
1232 | infprintf (is, "%c", *s); | |
794ac9d0 CD |
1233 | break; |
1234 | ||
ab902481 RS |
1235 | default: |
1236 | operand = decode_operand (s); | |
1237 | if (!operand) | |
fa7616a4 | 1238 | { |
ab902481 RS |
1239 | /* xgettext:c-format */ |
1240 | infprintf (is, | |
1241 | _("# internal error, undefined operand in `%s %s'"), | |
1242 | opcode->name, opcode->args); | |
1243 | return; | |
1244 | } | |
1245 | if (operand->type == OP_REG | |
1246 | && s[1] == ',' | |
1247 | && s[2] == 'H' | |
1248 | && opcode->name[strlen (opcode->name) - 1] == '0') | |
1249 | { | |
1250 | /* Coprocessor register 0 with sel field (MT ASE). */ | |
1251 | const struct mips_cp0sel_name *n; | |
1252 | unsigned int reg, sel; | |
1253 | ||
1254 | reg = mips_extract_operand (operand, insn); | |
1255 | s += 2; | |
1256 | operand = decode_operand (s); | |
1257 | sel = mips_extract_operand (operand, insn); | |
1258 | ||
1259 | /* CP0 register including 'sel' code for mftc0, to be | |
1260 | printed textually if known. If not known, print both | |
1261 | CP0 register name and sel numerically since CP0 register | |
1262 | with sel 0 may have a name unrelated to register being | |
1263 | printed. */ | |
1264 | n = lookup_mips_cp0sel_name (mips_cp0sel_names, | |
1265 | mips_cp0sel_names_len, | |
1266 | reg, sel); | |
1267 | if (n != NULL) | |
1268 | infprintf (is, "%s", n->name); | |
fa7616a4 | 1269 | else |
ab902481 | 1270 | infprintf (is, "$%d,%d", reg, sel); |
fa7616a4 | 1271 | } |
794ac9d0 | 1272 | else |
ab902481 RS |
1273 | print_insn_arg (info, &state, opcode, operand, base_pc, |
1274 | mips_extract_operand (operand, insn)); | |
1275 | if (*s == 'm' || *s == '+') | |
1276 | ++s; | |
794ac9d0 | 1277 | break; |
af7ee8bf | 1278 | } |
252b5132 RH |
1279 | } |
1280 | } | |
1281 | \f | |
252b5132 RH |
1282 | /* Print the mips instruction at address MEMADDR in debugged memory, |
1283 | on using INFO. Returns length of the instruction, in bytes, which is | |
aa5f19f2 | 1284 | always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if |
252b5132 RH |
1285 | this is little-endian code. */ |
1286 | ||
1287 | static int | |
47b0e7ad | 1288 | print_insn_mips (bfd_vma memaddr, |
fc8c4fd1 | 1289 | int word, |
47b0e7ad | 1290 | struct disassemble_info *info) |
252b5132 | 1291 | { |
ab902481 RS |
1292 | #define GET_OP(insn, field) \ |
1293 | (((insn) >> OP_SH_##field) & OP_MASK_##field) | |
fc8c4fd1 MR |
1294 | static const struct mips_opcode *mips_hash[OP_MASK_OP + 1]; |
1295 | const fprintf_ftype infprintf = info->fprintf_func; | |
47b0e7ad | 1296 | const struct mips_opcode *op; |
b34976b6 | 1297 | static bfd_boolean init = 0; |
fc8c4fd1 | 1298 | void *is = info->stream; |
252b5132 RH |
1299 | |
1300 | /* Build a hash table to shorten the search time. */ | |
1301 | if (! init) | |
1302 | { | |
1303 | unsigned int i; | |
1304 | ||
1305 | for (i = 0; i <= OP_MASK_OP; i++) | |
1306 | { | |
1307 | for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++) | |
1308 | { | |
986e18a5 | 1309 | if (op->pinfo == INSN_MACRO |
9e836e3d | 1310 | || (no_aliases && (op->pinfo2 & INSN2_ALIAS))) |
252b5132 | 1311 | continue; |
fc8c4fd1 | 1312 | if (i == GET_OP (op->match, OP)) |
252b5132 RH |
1313 | { |
1314 | mips_hash[i] = op; | |
1315 | break; | |
1316 | } | |
1317 | } | |
7f6621cd | 1318 | } |
252b5132 RH |
1319 | |
1320 | init = 1; | |
1321 | } | |
1322 | ||
aa5f19f2 | 1323 | info->bytes_per_chunk = INSNLEN; |
252b5132 | 1324 | info->display_endian = info->endian; |
9bb28706 CD |
1325 | info->insn_info_valid = 1; |
1326 | info->branch_delay_insns = 0; | |
def7143b | 1327 | info->data_size = 0; |
9bb28706 CD |
1328 | info->insn_type = dis_nonbranch; |
1329 | info->target = 0; | |
1330 | info->target2 = 0; | |
252b5132 | 1331 | |
fc8c4fd1 | 1332 | op = mips_hash[GET_OP (word, OP)]; |
252b5132 RH |
1333 | if (op != NULL) |
1334 | { | |
1335 | for (; op < &mips_opcodes[NUMOPCODES]; op++) | |
1336 | { | |
986e18a5 | 1337 | if (op->pinfo != INSN_MACRO |
9e836e3d | 1338 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) |
986e18a5 | 1339 | && (word & op->mask) == op->match) |
252b5132 | 1340 | { |
3396de36 | 1341 | /* We always allow to disassemble the jalx instruction. */ |
d301a56b | 1342 | if (!opcode_is_member (op, mips_isa, mips_ase, mips_processor) |
3396de36 | 1343 | && strcmp (op->name, "jalx")) |
252b5132 RH |
1344 | continue; |
1345 | ||
9bb28706 CD |
1346 | /* Figure out instruction type and branch delay information. */ |
1347 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) | |
1348 | { | |
c680e7f6 MR |
1349 | if ((op->pinfo & (INSN_WRITE_GPR_31 |
1350 | | INSN_WRITE_GPR_D)) != 0) | |
9bb28706 CD |
1351 | info->insn_type = dis_jsr; |
1352 | else | |
1353 | info->insn_type = dis_branch; | |
1354 | info->branch_delay_insns = 1; | |
1355 | } | |
1356 | else if ((op->pinfo & (INSN_COND_BRANCH_DELAY | |
1357 | | INSN_COND_BRANCH_LIKELY)) != 0) | |
1358 | { | |
c680e7f6 | 1359 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
9bb28706 CD |
1360 | info->insn_type = dis_condjsr; |
1361 | else | |
1362 | info->insn_type = dis_condbranch; | |
1363 | info->branch_delay_insns = 1; | |
1364 | } | |
1365 | else if ((op->pinfo & (INSN_STORE_MEMORY | |
1366 | | INSN_LOAD_MEMORY_DELAY)) != 0) | |
1367 | info->insn_type = dis_dref; | |
1368 | ||
fc8c4fd1 | 1369 | infprintf (is, "%s", op->name); |
252b5132 | 1370 | |
ab902481 | 1371 | if (op->args[0]) |
252b5132 | 1372 | { |
fc8c4fd1 | 1373 | infprintf (is, "\t"); |
ab902481 RS |
1374 | print_insn_args (info, op, decode_mips_operand, word, |
1375 | memaddr + 4); | |
252b5132 RH |
1376 | } |
1377 | ||
aa5f19f2 | 1378 | return INSNLEN; |
252b5132 RH |
1379 | } |
1380 | } | |
1381 | } | |
fc8c4fd1 | 1382 | #undef GET_OP |
252b5132 RH |
1383 | |
1384 | /* Handle undefined instructions. */ | |
9bb28706 | 1385 | info->insn_type = dis_noninsn; |
fc8c4fd1 | 1386 | infprintf (is, "0x%x", word); |
aa5f19f2 | 1387 | return INSNLEN; |
252b5132 | 1388 | } |
aa5f19f2 | 1389 | \f |
252b5132 RH |
1390 | /* Disassemble an operand for a mips16 instruction. */ |
1391 | ||
1392 | static void | |
c3c07478 RS |
1393 | print_mips16_insn_arg (struct disassemble_info *info, |
1394 | struct mips_print_arg_state *state, | |
1395 | const struct mips_opcode *opcode, | |
1396 | char type, bfd_vma memaddr, | |
1397 | unsigned insn, bfd_boolean use_extend, | |
1398 | unsigned extend, bfd_boolean is_offset) | |
252b5132 | 1399 | { |
fc8c4fd1 MR |
1400 | const fprintf_ftype infprintf = info->fprintf_func; |
1401 | void *is = info->stream; | |
c3c07478 RS |
1402 | const struct mips_operand *operand, *ext_operand; |
1403 | unsigned int uval; | |
1404 | bfd_vma baseaddr; | |
1405 | ||
1406 | if (!use_extend) | |
1407 | extend = 0; | |
fc8c4fd1 | 1408 | |
252b5132 RH |
1409 | switch (type) |
1410 | { | |
1411 | case ',': | |
1412 | case '(': | |
1413 | case ')': | |
fc8c4fd1 | 1414 | infprintf (is, "%c", type); |
252b5132 RH |
1415 | break; |
1416 | ||
c3c07478 RS |
1417 | default: |
1418 | operand = decode_mips16_operand (type, FALSE); | |
1419 | if (!operand) | |
1420 | { | |
1421 | /* xgettext:c-format */ | |
1422 | infprintf (is, _("# internal error, undefined operand in `%s %s'"), | |
1423 | opcode->name, opcode->args); | |
1424 | return; | |
1425 | } | |
252b5132 | 1426 | |
c3c07478 RS |
1427 | if (operand->type == OP_SAVE_RESTORE_LIST) |
1428 | { | |
1429 | /* Handle this case here because of the complex interation | |
1430 | with the EXTEND opcode. */ | |
1431 | unsigned int amask, nargs, nstatics, nsreg, smask, frame_size, i, j; | |
1432 | const char *sep; | |
252b5132 | 1433 | |
c3c07478 RS |
1434 | amask = extend & 0xf; |
1435 | if (amask == MIPS16_ALL_ARGS) | |
1436 | { | |
1437 | nargs = 4; | |
1438 | nstatics = 0; | |
1439 | } | |
1440 | else if (amask == MIPS16_ALL_STATICS) | |
1441 | { | |
1442 | nargs = 0; | |
1443 | nstatics = 4; | |
1444 | } | |
1445 | else | |
1446 | { | |
1447 | nargs = amask >> 2; | |
1448 | nstatics = amask & 3; | |
1449 | } | |
252b5132 | 1450 | |
c3c07478 RS |
1451 | sep = ""; |
1452 | if (nargs > 0) | |
1453 | { | |
1454 | infprintf (is, "%s", mips_gpr_names[4]); | |
1455 | if (nargs > 1) | |
1456 | infprintf (is, "-%s", mips_gpr_names[4 + nargs - 1]); | |
1457 | sep = ","; | |
1458 | } | |
252b5132 | 1459 | |
c3c07478 RS |
1460 | frame_size = ((extend & 0xf0) | (insn & 0x0f)) * 8; |
1461 | if (frame_size == 0 && !use_extend) | |
1462 | frame_size = 128; | |
1463 | infprintf (is, "%s%d", sep, frame_size); | |
1464 | ||
1465 | if (insn & 0x40) /* $ra */ | |
1466 | infprintf (is, ",%s", mips_gpr_names[31]); | |
1467 | ||
1468 | nsreg = (extend >> 8) & 0x7; | |
1469 | smask = 0; | |
1470 | if (insn & 0x20) /* $s0 */ | |
1471 | smask |= 1 << 0; | |
1472 | if (insn & 0x10) /* $s1 */ | |
1473 | smask |= 1 << 1; | |
1474 | if (nsreg > 0) /* $s2-$s8 */ | |
1475 | smask |= ((1 << nsreg) - 1) << 2; | |
1476 | ||
1477 | for (i = 0; i < 9; i++) | |
1478 | if (smask & (1 << i)) | |
252b5132 | 1479 | { |
c3c07478 RS |
1480 | infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]); |
1481 | /* Skip over string of set bits. */ | |
1482 | for (j = i; smask & (2 << j); j++) | |
1483 | continue; | |
1484 | if (j > i) | |
1485 | infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]); | |
1486 | i = j + 1; | |
252b5132 | 1487 | } |
c3c07478 RS |
1488 | /* Statics $ax - $a3. */ |
1489 | if (nstatics == 1) | |
1490 | infprintf (is, ",%s", mips_gpr_names[7]); | |
1491 | else if (nstatics > 0) | |
1492 | infprintf (is, ",%s-%s", | |
1493 | mips_gpr_names[7 - nstatics + 1], | |
1494 | mips_gpr_names[7]); | |
1495 | break; | |
1496 | } | |
252b5132 | 1497 | |
c3c07478 RS |
1498 | if (is_offset && operand->type == OP_INT) |
1499 | { | |
1500 | const struct mips_int_operand *int_op; | |
252b5132 | 1501 | |
c3c07478 RS |
1502 | int_op = (const struct mips_int_operand *) operand; |
1503 | info->insn_type = dis_dref; | |
1504 | info->data_size = 1 << int_op->shift; | |
1505 | } | |
252b5132 | 1506 | |
c3c07478 RS |
1507 | if (operand->size == 26) |
1508 | /* In this case INSN is the first two bytes of the instruction | |
1509 | and EXTEND is the second two bytes. */ | |
1510 | uval = ((insn & 0x1f) << 21) | ((insn & 0x3e0) << 11) | extend; | |
1511 | else | |
1512 | { | |
1513 | /* Calculate the full field value. */ | |
1514 | uval = mips_extract_operand (operand, insn); | |
1515 | if (use_extend) | |
1516 | { | |
1517 | ext_operand = decode_mips16_operand (type, TRUE); | |
1518 | if (ext_operand != operand) | |
1519 | { | |
1520 | operand = ext_operand; | |
1521 | if (operand->size == 16) | |
1522 | uval |= ((extend & 0x1f) << 11) | (extend & 0x7e0); | |
1523 | else if (operand->size == 15) | |
1524 | uval |= ((extend & 0xf) << 11) | (extend & 0x7f0); | |
1525 | else | |
1526 | uval = ((extend >> 6) & 0x1f) | (extend & 0x20); | |
1527 | } | |
1528 | } | |
1529 | } | |
1530 | ||
1531 | baseaddr = memaddr + 2; | |
1532 | if (operand->type == OP_PCREL) | |
1533 | { | |
1534 | const struct mips_pcrel_operand *pcrel_op; | |
1535 | ||
1536 | pcrel_op = (const struct mips_pcrel_operand *) operand; | |
1537 | if (!pcrel_op->include_isa_bit && use_extend) | |
1538 | baseaddr = memaddr - 2; | |
1539 | else if (!pcrel_op->include_isa_bit) | |
1540 | { | |
1541 | bfd_byte buffer[2]; | |
1542 | ||
1543 | /* If this instruction is in the delay slot of a JR | |
1544 | instruction, the base address is the address of the | |
1545 | JR instruction. If it is in the delay slot of a JALR | |
1546 | instruction, the base address is the address of the | |
1547 | JALR instruction. This test is unreliable: we have | |
1548 | no way of knowing whether the previous word is | |
1549 | instruction or data. */ | |
1550 | if (info->read_memory_func (memaddr - 4, buffer, 2, info) == 0 | |
1551 | && (((info->endian == BFD_ENDIAN_BIG | |
1552 | ? bfd_getb16 (buffer) | |
1553 | : bfd_getl16 (buffer)) | |
1554 | & 0xf800) == 0x1800)) | |
1555 | baseaddr = memaddr - 4; | |
1556 | else if (info->read_memory_func (memaddr - 2, buffer, 2, | |
1557 | info) == 0 | |
252b5132 RH |
1558 | && (((info->endian == BFD_ENDIAN_BIG |
1559 | ? bfd_getb16 (buffer) | |
1560 | : bfd_getl16 (buffer)) | |
1561 | & 0xf81f) == 0xe800)) | |
c3c07478 RS |
1562 | baseaddr = memaddr - 2; |
1563 | else | |
1564 | baseaddr = memaddr; | |
1565 | } | |
1566 | } | |
0499d65b | 1567 | |
c3c07478 | 1568 | print_insn_arg (info, state, opcode, operand, baseaddr, uval); |
0499d65b | 1569 | break; |
252b5132 RH |
1570 | } |
1571 | } | |
640c0ccd | 1572 | |
1bbce132 MR |
1573 | |
1574 | /* Check if the given address is the last word of a MIPS16 PLT entry. | |
1575 | This word is data and depending on the value it may interfere with | |
1576 | disassembly of further PLT entries. We make use of the fact PLT | |
1577 | symbols are marked BSF_SYNTHETIC. */ | |
1578 | static bfd_boolean | |
1579 | is_mips16_plt_tail (struct disassemble_info *info, bfd_vma addr) | |
1580 | { | |
1581 | if (info->symbols | |
1582 | && info->symbols[0] | |
1583 | && (info->symbols[0]->flags & BSF_SYNTHETIC) | |
1584 | && addr == bfd_asymbol_value (info->symbols[0]) + 12) | |
1585 | return TRUE; | |
1586 | ||
1587 | return FALSE; | |
1588 | } | |
1589 | ||
47b0e7ad NC |
1590 | /* Disassemble mips16 instructions. */ |
1591 | ||
1592 | static int | |
1593 | print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info) | |
1594 | { | |
fc8c4fd1 | 1595 | const fprintf_ftype infprintf = info->fprintf_func; |
47b0e7ad | 1596 | int status; |
1bbce132 | 1597 | bfd_byte buffer[4]; |
47b0e7ad NC |
1598 | int length; |
1599 | int insn; | |
1600 | bfd_boolean use_extend; | |
1601 | int extend = 0; | |
1602 | const struct mips_opcode *op, *opend; | |
c3c07478 | 1603 | struct mips_print_arg_state state; |
fc8c4fd1 | 1604 | void *is = info->stream; |
47b0e7ad NC |
1605 | |
1606 | info->bytes_per_chunk = 2; | |
1607 | info->display_endian = info->endian; | |
1608 | info->insn_info_valid = 1; | |
1609 | info->branch_delay_insns = 0; | |
1610 | info->data_size = 0; | |
47b0e7ad NC |
1611 | info->target = 0; |
1612 | info->target2 = 0; | |
1613 | ||
c3c07478 RS |
1614 | #define GET_OP(insn, field) \ |
1615 | (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field) | |
1bbce132 MR |
1616 | /* Decode PLT entry's GOT slot address word. */ |
1617 | if (is_mips16_plt_tail (info, memaddr)) | |
1618 | { | |
1619 | info->insn_type = dis_noninsn; | |
1620 | status = (*info->read_memory_func) (memaddr, buffer, 4, info); | |
1621 | if (status == 0) | |
1622 | { | |
1623 | unsigned int gotslot; | |
1624 | ||
1625 | if (info->endian == BFD_ENDIAN_BIG) | |
1626 | gotslot = bfd_getb32 (buffer); | |
1627 | else | |
1628 | gotslot = bfd_getl32 (buffer); | |
1629 | infprintf (is, ".word\t0x%x", gotslot); | |
1630 | ||
1631 | return 4; | |
1632 | } | |
1633 | } | |
1634 | else | |
1635 | { | |
1636 | info->insn_type = dis_nonbranch; | |
1637 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
1638 | } | |
47b0e7ad NC |
1639 | if (status != 0) |
1640 | { | |
1641 | (*info->memory_error_func) (status, memaddr, info); | |
1642 | return -1; | |
1643 | } | |
1644 | ||
1645 | length = 2; | |
1646 | ||
1647 | if (info->endian == BFD_ENDIAN_BIG) | |
1648 | insn = bfd_getb16 (buffer); | |
1649 | else | |
1650 | insn = bfd_getl16 (buffer); | |
1651 | ||
1652 | /* Handle the extend opcode specially. */ | |
1653 | use_extend = FALSE; | |
1654 | if ((insn & 0xf800) == 0xf000) | |
1655 | { | |
1656 | use_extend = TRUE; | |
1657 | extend = insn & 0x7ff; | |
1658 | ||
1659 | memaddr += 2; | |
1660 | ||
1661 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
1662 | if (status != 0) | |
1663 | { | |
fc8c4fd1 | 1664 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
1665 | (*info->memory_error_func) (status, memaddr, info); |
1666 | return -1; | |
1667 | } | |
1668 | ||
1669 | if (info->endian == BFD_ENDIAN_BIG) | |
1670 | insn = bfd_getb16 (buffer); | |
1671 | else | |
1672 | insn = bfd_getl16 (buffer); | |
1673 | ||
1674 | /* Check for an extend opcode followed by an extend opcode. */ | |
1675 | if ((insn & 0xf800) == 0xf000) | |
1676 | { | |
fc8c4fd1 | 1677 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
1678 | info->insn_type = dis_noninsn; |
1679 | return length; | |
1680 | } | |
1681 | ||
1682 | length += 2; | |
1683 | } | |
1684 | ||
1685 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
1686 | ||
1687 | opend = mips16_opcodes + bfd_mips16_num_opcodes; | |
1688 | for (op = mips16_opcodes; op < opend; op++) | |
1689 | { | |
1690 | if (op->pinfo != INSN_MACRO | |
1691 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
1692 | && (insn & op->mask) == op->match) | |
1693 | { | |
1694 | const char *s; | |
1695 | ||
27c5c572 | 1696 | if (op->args[0] == 'a' || op->args[0] == 'i') |
47b0e7ad NC |
1697 | { |
1698 | if (use_extend) | |
1699 | { | |
fc8c4fd1 | 1700 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
1701 | info->insn_type = dis_noninsn; |
1702 | return length - 2; | |
1703 | } | |
1704 | ||
1705 | use_extend = FALSE; | |
1706 | ||
1707 | memaddr += 2; | |
1708 | ||
1709 | status = (*info->read_memory_func) (memaddr, buffer, 2, | |
1710 | info); | |
1711 | if (status == 0) | |
1712 | { | |
1713 | use_extend = TRUE; | |
1714 | if (info->endian == BFD_ENDIAN_BIG) | |
1715 | extend = bfd_getb16 (buffer); | |
1716 | else | |
1717 | extend = bfd_getl16 (buffer); | |
1718 | length += 2; | |
1719 | } | |
1720 | } | |
1721 | ||
fc8c4fd1 | 1722 | infprintf (is, "%s", op->name); |
47b0e7ad | 1723 | if (op->args[0] != '\0') |
fc8c4fd1 | 1724 | infprintf (is, "\t"); |
47b0e7ad | 1725 | |
c3c07478 | 1726 | init_print_arg_state (&state); |
47b0e7ad NC |
1727 | for (s = op->args; *s != '\0'; s++) |
1728 | { | |
1729 | if (*s == ',' | |
1730 | && s[1] == 'w' | |
fc8c4fd1 | 1731 | && GET_OP (insn, RX) == GET_OP (insn, RY)) |
47b0e7ad NC |
1732 | { |
1733 | /* Skip the register and the comma. */ | |
1734 | ++s; | |
1735 | continue; | |
1736 | } | |
1737 | if (*s == ',' | |
1738 | && s[1] == 'v' | |
fc8c4fd1 | 1739 | && GET_OP (insn, RZ) == GET_OP (insn, RX)) |
47b0e7ad NC |
1740 | { |
1741 | /* Skip the register and the comma. */ | |
1742 | ++s; | |
1743 | continue; | |
1744 | } | |
c3c07478 RS |
1745 | print_mips16_insn_arg (info, &state, op, *s, memaddr, insn, |
1746 | use_extend, extend, s[1] == '('); | |
47b0e7ad NC |
1747 | } |
1748 | ||
9a2c7088 | 1749 | /* Figure out branch instruction type and delay slot information. */ |
47b0e7ad | 1750 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) |
9a2c7088 MR |
1751 | info->branch_delay_insns = 1; |
1752 | if ((op->pinfo & (INSN_UNCOND_BRANCH_DELAY | |
1753 | | MIPS16_INSN_UNCOND_BRANCH)) != 0) | |
47b0e7ad | 1754 | { |
9a2c7088 MR |
1755 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
1756 | info->insn_type = dis_jsr; | |
1757 | else | |
47b0e7ad NC |
1758 | info->insn_type = dis_branch; |
1759 | } | |
9a2c7088 MR |
1760 | else if ((op->pinfo & MIPS16_INSN_COND_BRANCH) != 0) |
1761 | info->insn_type = dis_condbranch; | |
47b0e7ad NC |
1762 | |
1763 | return length; | |
1764 | } | |
1765 | } | |
fc8c4fd1 | 1766 | #undef GET_OP |
47b0e7ad NC |
1767 | |
1768 | if (use_extend) | |
fc8c4fd1 MR |
1769 | infprintf (is, "0x%x", extend | 0xf000); |
1770 | infprintf (is, "0x%x", insn); | |
47b0e7ad NC |
1771 | info->insn_type = dis_noninsn; |
1772 | ||
1773 | return length; | |
1774 | } | |
1775 | ||
df58fc94 RS |
1776 | /* Disassemble microMIPS instructions. */ |
1777 | ||
1778 | static int | |
1779 | print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info) | |
1780 | { | |
0c7533d3 | 1781 | const fprintf_ftype infprintf = info->fprintf_func; |
df58fc94 | 1782 | const struct mips_opcode *op, *opend; |
df58fc94 | 1783 | void *is = info->stream; |
df58fc94 | 1784 | bfd_byte buffer[2]; |
ab902481 RS |
1785 | unsigned int higher; |
1786 | unsigned int length; | |
df58fc94 | 1787 | int status; |
ab902481 | 1788 | unsigned int insn; |
df58fc94 RS |
1789 | |
1790 | info->bytes_per_chunk = 2; | |
1791 | info->display_endian = info->endian; | |
1792 | info->insn_info_valid = 1; | |
1793 | info->branch_delay_insns = 0; | |
1794 | info->data_size = 0; | |
1795 | info->insn_type = dis_nonbranch; | |
1796 | info->target = 0; | |
1797 | info->target2 = 0; | |
1798 | ||
1799 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
1800 | if (status != 0) | |
1801 | { | |
1802 | (*info->memory_error_func) (status, memaddr, info); | |
1803 | return -1; | |
1804 | } | |
1805 | ||
1806 | length = 2; | |
1807 | ||
1808 | if (info->endian == BFD_ENDIAN_BIG) | |
1809 | insn = bfd_getb16 (buffer); | |
1810 | else | |
1811 | insn = bfd_getl16 (buffer); | |
1812 | ||
1813 | if ((insn & 0xfc00) == 0x7c00) | |
1814 | { | |
1815 | /* This is a 48-bit microMIPS instruction. */ | |
1816 | higher = insn; | |
1817 | ||
1818 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
1819 | if (status != 0) | |
1820 | { | |
0c7533d3 | 1821 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
1822 | (*info->memory_error_func) (status, memaddr + 2, info); |
1823 | return -1; | |
1824 | } | |
1825 | if (info->endian == BFD_ENDIAN_BIG) | |
1826 | insn = bfd_getb16 (buffer); | |
1827 | else | |
1828 | insn = bfd_getl16 (buffer); | |
1829 | higher = (higher << 16) | insn; | |
1830 | ||
1831 | status = (*info->read_memory_func) (memaddr + 4, buffer, 2, info); | |
1832 | if (status != 0) | |
1833 | { | |
0c7533d3 | 1834 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
1835 | (*info->memory_error_func) (status, memaddr + 4, info); |
1836 | return -1; | |
1837 | } | |
1838 | if (info->endian == BFD_ENDIAN_BIG) | |
1839 | insn = bfd_getb16 (buffer); | |
1840 | else | |
1841 | insn = bfd_getl16 (buffer); | |
0c7533d3 | 1842 | infprintf (is, "0x%x%04x (48-bit insn)", higher, insn); |
df58fc94 RS |
1843 | |
1844 | info->insn_type = dis_noninsn; | |
1845 | return 6; | |
1846 | } | |
1847 | else if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000) | |
1848 | { | |
1849 | /* This is a 32-bit microMIPS instruction. */ | |
1850 | higher = insn; | |
1851 | ||
1852 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
1853 | if (status != 0) | |
1854 | { | |
0c7533d3 | 1855 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
1856 | (*info->memory_error_func) (status, memaddr + 2, info); |
1857 | return -1; | |
1858 | } | |
1859 | ||
1860 | if (info->endian == BFD_ENDIAN_BIG) | |
1861 | insn = bfd_getb16 (buffer); | |
1862 | else | |
1863 | insn = bfd_getl16 (buffer); | |
1864 | ||
1865 | insn = insn | (higher << 16); | |
1866 | ||
1867 | length += 2; | |
1868 | } | |
1869 | ||
1870 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
1871 | ||
df58fc94 RS |
1872 | opend = micromips_opcodes + bfd_micromips_num_opcodes; |
1873 | for (op = micromips_opcodes; op < opend; op++) | |
1874 | { | |
1875 | if (op->pinfo != INSN_MACRO | |
1876 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
1877 | && (insn & op->mask) == op->match | |
1878 | && ((length == 2 && (op->mask & 0xffff0000) == 0) | |
1879 | || (length == 4 && (op->mask & 0xffff0000) != 0))) | |
1880 | { | |
0c7533d3 | 1881 | infprintf (is, "%s", op->name); |
df58fc94 | 1882 | |
ab902481 | 1883 | if (op->args[0]) |
df58fc94 | 1884 | { |
ab902481 RS |
1885 | infprintf (is, "\t"); |
1886 | print_insn_args (info, op, decode_micromips_operand, insn, | |
1887 | memaddr + length + 1); | |
df58fc94 RS |
1888 | } |
1889 | ||
1890 | /* Figure out instruction type and branch delay information. */ | |
1891 | if ((op->pinfo | |
1892 | & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0) | |
1893 | info->branch_delay_insns = 1; | |
1894 | if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY) | |
1895 | | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0) | |
1896 | { | |
1897 | if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_GPR_T)) != 0) | |
1898 | info->insn_type = dis_jsr; | |
1899 | else | |
1900 | info->insn_type = dis_branch; | |
1901 | } | |
1902 | else if (((op->pinfo & INSN_COND_BRANCH_DELAY) | |
1903 | | (op->pinfo2 & INSN2_COND_BRANCH)) != 0) | |
1904 | { | |
1905 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) | |
1906 | info->insn_type = dis_condjsr; | |
1907 | else | |
1908 | info->insn_type = dis_condbranch; | |
1909 | } | |
1910 | else if ((op->pinfo | |
1911 | & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY_DELAY)) != 0) | |
1912 | info->insn_type = dis_dref; | |
1913 | ||
1914 | return length; | |
1915 | } | |
1916 | } | |
df58fc94 | 1917 | |
0c7533d3 | 1918 | infprintf (is, "0x%x", insn); |
df58fc94 RS |
1919 | info->insn_type = dis_noninsn; |
1920 | ||
1921 | return length; | |
1922 | } | |
1923 | ||
1924 | /* Return 1 if a symbol associated with the location being disassembled | |
1925 | indicates a compressed (MIPS16 or microMIPS) mode. We iterate over | |
1926 | all the symbols at the address being considered assuming if at least | |
1927 | one of them indicates code compression, then such code has been | |
1928 | genuinely produced here (other symbols could have been derived from | |
1929 | function symbols defined elsewhere or could define data). Otherwise, | |
1930 | return 0. */ | |
1931 | ||
1932 | static bfd_boolean | |
1933 | is_compressed_mode_p (struct disassemble_info *info) | |
1934 | { | |
df58fc94 | 1935 | int i; |
1bbce132 MR |
1936 | int l; |
1937 | ||
1938 | for (i = info->symtab_pos, l = i + info->num_symbols; i < l; i++) | |
1939 | if (((info->symtab[i])->flags & BSF_SYNTHETIC) != 0 | |
1940 | && ((!micromips_ase | |
1941 | && ELF_ST_IS_MIPS16 ((*info->symbols)->udata.i)) | |
1942 | || (micromips_ase | |
1943 | && ELF_ST_IS_MICROMIPS ((*info->symbols)->udata.i)))) | |
1944 | return 1; | |
1945 | else if (bfd_asymbol_flavour (info->symtab[i]) == bfd_target_elf_flavour | |
1946 | && info->symtab[i]->section == info->section) | |
1947 | { | |
1948 | elf_symbol_type *symbol = (elf_symbol_type *) info->symtab[i]; | |
1949 | if ((!micromips_ase | |
1950 | && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other)) | |
1951 | || (micromips_ase | |
1952 | && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other))) | |
1953 | return 1; | |
1954 | } | |
df58fc94 RS |
1955 | |
1956 | return 0; | |
1957 | } | |
1958 | ||
47b0e7ad NC |
1959 | /* In an environment where we do not know the symbol type of the |
1960 | instruction we are forced to assume that the low order bit of the | |
1961 | instructions' address may mark it as a mips16 instruction. If we | |
1962 | are single stepping, or the pc is within the disassembled function, | |
1963 | this works. Otherwise, we need a clue. Sometimes. */ | |
1964 | ||
1965 | static int | |
1966 | _print_insn_mips (bfd_vma memaddr, | |
1967 | struct disassemble_info *info, | |
1968 | enum bfd_endian endianness) | |
1969 | { | |
df58fc94 | 1970 | int (*print_insn_compr) (bfd_vma, struct disassemble_info *); |
47b0e7ad NC |
1971 | bfd_byte buffer[INSNLEN]; |
1972 | int status; | |
1973 | ||
1974 | set_default_mips_dis_options (info); | |
1975 | parse_mips_dis_options (info->disassembler_options); | |
1976 | ||
df58fc94 RS |
1977 | if (info->mach == bfd_mach_mips16) |
1978 | return print_insn_mips16 (memaddr, info); | |
1979 | if (info->mach == bfd_mach_mips_micromips) | |
1980 | return print_insn_micromips (memaddr, info); | |
1981 | ||
1982 | print_insn_compr = !micromips_ase ? print_insn_mips16 : print_insn_micromips; | |
1983 | ||
47b0e7ad | 1984 | #if 1 |
df58fc94 | 1985 | /* FIXME: If odd address, this is CLEARLY a compressed instruction. */ |
47b0e7ad NC |
1986 | /* Only a few tools will work this way. */ |
1987 | if (memaddr & 0x01) | |
df58fc94 | 1988 | return print_insn_compr (memaddr, info); |
47b0e7ad NC |
1989 | #endif |
1990 | ||
1991 | #if SYMTAB_AVAILABLE | |
df58fc94 RS |
1992 | if (is_compressed_mode_p (info)) |
1993 | return print_insn_compr (memaddr, info); | |
47b0e7ad NC |
1994 | #endif |
1995 | ||
1996 | status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info); | |
1997 | if (status == 0) | |
1998 | { | |
fc8c4fd1 | 1999 | int insn; |
47b0e7ad NC |
2000 | |
2001 | if (endianness == BFD_ENDIAN_BIG) | |
fc8c4fd1 | 2002 | insn = bfd_getb32 (buffer); |
47b0e7ad | 2003 | else |
fc8c4fd1 | 2004 | insn = bfd_getl32 (buffer); |
47b0e7ad NC |
2005 | |
2006 | return print_insn_mips (memaddr, insn, info); | |
2007 | } | |
2008 | else | |
2009 | { | |
2010 | (*info->memory_error_func) (status, memaddr, info); | |
2011 | return -1; | |
2012 | } | |
2013 | } | |
2014 | ||
2015 | int | |
2016 | print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info) | |
2017 | { | |
2018 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG); | |
2019 | } | |
2020 | ||
2021 | int | |
2022 | print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info) | |
2023 | { | |
2024 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE); | |
2025 | } | |
2026 | \f | |
640c0ccd | 2027 | void |
47b0e7ad | 2028 | print_mips_disassembler_options (FILE *stream) |
640c0ccd | 2029 | { |
4a9a3c54 | 2030 | unsigned int i; |
640c0ccd CD |
2031 | |
2032 | fprintf (stream, _("\n\ | |
2033 | The following MIPS specific disassembler options are supported for use\n\ | |
2034 | with the -M switch (multiple options should be separated by commas):\n")); | |
2035 | ||
b015e599 AP |
2036 | fprintf (stream, _("\n\ |
2037 | virt Recognize the virtualization ASE instructions.\n")); | |
2038 | ||
640c0ccd CD |
2039 | fprintf (stream, _("\n\ |
2040 | gpr-names=ABI Print GPR names according to specified ABI.\n\ | |
2041 | Default: based on binary being disassembled.\n")); | |
2042 | ||
2043 | fprintf (stream, _("\n\ | |
2044 | fpr-names=ABI Print FPR names according to specified ABI.\n\ | |
2045 | Default: numeric.\n")); | |
2046 | ||
2047 | fprintf (stream, _("\n\ | |
2048 | cp0-names=ARCH Print CP0 register names according to\n\ | |
2049 | specified architecture.\n\ | |
2050 | Default: based on binary being disassembled.\n")); | |
2051 | ||
af7ee8bf CD |
2052 | fprintf (stream, _("\n\ |
2053 | hwr-names=ARCH Print HWR names according to specified \n\ | |
2054 | architecture.\n\ | |
2055 | Default: based on binary being disassembled.\n")); | |
2056 | ||
640c0ccd CD |
2057 | fprintf (stream, _("\n\ |
2058 | reg-names=ABI Print GPR and FPR names according to\n\ | |
2059 | specified ABI.\n")); | |
2060 | ||
2061 | fprintf (stream, _("\n\ | |
af7ee8bf | 2062 | reg-names=ARCH Print CP0 register and HWR names according to\n\ |
640c0ccd CD |
2063 | specified architecture.\n")); |
2064 | ||
2065 | fprintf (stream, _("\n\ | |
2066 | For the options above, the following values are supported for \"ABI\":\n\ | |
2067 | ")); | |
4a9a3c54 | 2068 | for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++) |
640c0ccd CD |
2069 | fprintf (stream, " %s", mips_abi_choices[i].name); |
2070 | fprintf (stream, _("\n")); | |
2071 | ||
2072 | fprintf (stream, _("\n\ | |
2073 | For the options above, The following values are supported for \"ARCH\":\n\ | |
2074 | ")); | |
4a9a3c54 | 2075 | for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++) |
640c0ccd CD |
2076 | if (*mips_arch_choices[i].name != '\0') |
2077 | fprintf (stream, " %s", mips_arch_choices[i].name); | |
2078 | fprintf (stream, _("\n")); | |
2079 | ||
2080 | fprintf (stream, _("\n")); | |
2081 | } |