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 | ||
654c225a TS |
54 | /* The mips16 registers. */ |
55 | static const unsigned int mips16_to_32_reg_map[] = | |
47b0e7ad | 56 | { |
654c225a | 57 | 16, 17, 2, 3, 4, 5, 6, 7 |
252b5132 | 58 | }; |
fb48caed | 59 | |
df58fc94 RS |
60 | /* The microMIPS registers with type b. */ |
61 | #define micromips_to_32_reg_b_map mips16_to_32_reg_map | |
62 | ||
63 | /* The microMIPS registers with type c. */ | |
64 | #define micromips_to_32_reg_c_map mips16_to_32_reg_map | |
65 | ||
66 | /* The microMIPS registers with type d. */ | |
67 | #define micromips_to_32_reg_d_map mips16_to_32_reg_map | |
68 | ||
69 | /* The microMIPS registers with type e. */ | |
70 | #define micromips_to_32_reg_e_map mips16_to_32_reg_map | |
71 | ||
72 | /* The microMIPS registers with type f. */ | |
73 | #define micromips_to_32_reg_f_map mips16_to_32_reg_map | |
74 | ||
75 | /* The microMIPS registers with type g. */ | |
76 | #define micromips_to_32_reg_g_map mips16_to_32_reg_map | |
77 | ||
78 | /* The microMIPS registers with type h. */ | |
79 | static const unsigned int micromips_to_32_reg_h_map[] = | |
80 | { | |
81 | 5, 5, 6, 4, 4, 4, 4, 4 | |
82 | }; | |
83 | ||
84 | /* The microMIPS registers with type i. */ | |
85 | static const unsigned int micromips_to_32_reg_i_map[] = | |
86 | { | |
87 | 6, 7, 7, 21, 22, 5, 6, 7 | |
88 | }; | |
89 | ||
90 | /* The microMIPS registers with type j: 32 registers. */ | |
91 | ||
92 | /* The microMIPS registers with type l. */ | |
93 | #define micromips_to_32_reg_l_map mips16_to_32_reg_map | |
94 | ||
95 | /* The microMIPS registers with type m. */ | |
96 | static const unsigned int micromips_to_32_reg_m_map[] = | |
97 | { | |
98 | 0, 17, 2, 3, 16, 18, 19, 20 | |
99 | }; | |
100 | ||
101 | /* The microMIPS registers with type n. */ | |
102 | #define micromips_to_32_reg_n_map micromips_to_32_reg_m_map | |
103 | ||
104 | /* The microMIPS registers with type p: 32 registers. */ | |
105 | ||
106 | /* The microMIPS registers with type q. */ | |
107 | static const unsigned int micromips_to_32_reg_q_map[] = | |
108 | { | |
109 | 0, 17, 2, 3, 4, 5, 6, 7 | |
110 | }; | |
111 | ||
112 | /* reg type s is $29. */ | |
113 | ||
114 | /* reg type t is the same as the last register. */ | |
115 | ||
116 | /* reg type y is $31. */ | |
117 | ||
118 | /* reg type z is $0. */ | |
119 | ||
120 | /* micromips imm B type. */ | |
121 | static const int micromips_imm_b_map[8] = | |
122 | { | |
123 | 1, 4, 8, 12, 16, 20, 24, -1 | |
124 | }; | |
125 | ||
126 | /* micromips imm C type. */ | |
127 | static const int micromips_imm_c_map[16] = | |
128 | { | |
129 | 128, 1, 2, 3, 4, 7, 8, 15, 16, 31, 32, 63, 64, 255, 32768, 65535 | |
130 | }; | |
131 | ||
132 | /* micromips imm D type: (-512..511)<<1. */ | |
133 | /* micromips imm E type: (-64..63)<<1. */ | |
134 | /* micromips imm F type: (0..63). */ | |
135 | /* micromips imm G type: (-1..14). */ | |
136 | /* micromips imm H type: (0..15)<<1. */ | |
137 | /* micromips imm I type: (-1..126). */ | |
138 | /* micromips imm J type: (0..15)<<2. */ | |
139 | /* micromips imm L type: (0..15). */ | |
140 | /* micromips imm M type: (1..8). */ | |
141 | /* micromips imm W type: (0..63)<<2. */ | |
142 | /* micromips imm X type: (-8..7). */ | |
143 | /* micromips imm Y type: (-258..-3, 2..257)<<2. */ | |
144 | ||
654c225a TS |
145 | #define mips16_reg_names(rn) mips_gpr_names[mips16_to_32_reg_map[rn]] |
146 | ||
147 | ||
47b0e7ad NC |
148 | static const char * const mips_gpr_names_numeric[32] = |
149 | { | |
640c0ccd CD |
150 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
151 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
152 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
153 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
aa5f19f2 NC |
154 | }; |
155 | ||
47b0e7ad NC |
156 | static const char * const mips_gpr_names_oldabi[32] = |
157 | { | |
640c0ccd CD |
158 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
159 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", | |
160 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", | |
161 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
aa5f19f2 NC |
162 | }; |
163 | ||
47b0e7ad NC |
164 | static const char * const mips_gpr_names_newabi[32] = |
165 | { | |
640c0ccd | 166 | "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
0b14f26e | 167 | "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", |
640c0ccd CD |
168 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
169 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra" | |
170 | }; | |
171 | ||
47b0e7ad NC |
172 | static const char * const mips_fpr_names_numeric[32] = |
173 | { | |
640c0ccd CD |
174 | "$f0", "$f1", "$f2", "$f3", "$f4", "$f5", "$f6", "$f7", |
175 | "$f8", "$f9", "$f10", "$f11", "$f12", "$f13", "$f14", "$f15", | |
176 | "$f16", "$f17", "$f18", "$f19", "$f20", "$f21", "$f22", "$f23", | |
177 | "$f24", "$f25", "$f26", "$f27", "$f28", "$f29", "$f30", "$f31" | |
178 | }; | |
179 | ||
47b0e7ad NC |
180 | static const char * const mips_fpr_names_32[32] = |
181 | { | |
640c0ccd CD |
182 | "fv0", "fv0f", "fv1", "fv1f", "ft0", "ft0f", "ft1", "ft1f", |
183 | "ft2", "ft2f", "ft3", "ft3f", "fa0", "fa0f", "fa1", "fa1f", | |
184 | "ft4", "ft4f", "ft5", "ft5f", "fs0", "fs0f", "fs1", "fs1f", | |
185 | "fs2", "fs2f", "fs3", "fs3f", "fs4", "fs4f", "fs5", "fs5f" | |
186 | }; | |
187 | ||
47b0e7ad NC |
188 | static const char * const mips_fpr_names_n32[32] = |
189 | { | |
640c0ccd CD |
190 | "fv0", "ft14", "fv1", "ft15", "ft0", "ft1", "ft2", "ft3", |
191 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
192 | "fa4", "fa5", "fa6", "fa7", "fs0", "ft8", "fs1", "ft9", | |
193 | "fs2", "ft10", "fs3", "ft11", "fs4", "ft12", "fs5", "ft13" | |
194 | }; | |
195 | ||
47b0e7ad NC |
196 | static const char * const mips_fpr_names_64[32] = |
197 | { | |
640c0ccd CD |
198 | "fv0", "ft12", "fv1", "ft13", "ft0", "ft1", "ft2", "ft3", |
199 | "ft4", "ft5", "ft6", "ft7", "fa0", "fa1", "fa2", "fa3", | |
200 | "fa4", "fa5", "fa6", "fa7", "ft8", "ft9", "ft10", "ft11", | |
201 | "fs0", "fs1", "fs2", "fs3", "fs4", "fs5", "fs6", "fs7" | |
202 | }; | |
203 | ||
47b0e7ad NC |
204 | static const char * const mips_cp0_names_numeric[32] = |
205 | { | |
640c0ccd CD |
206 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
207 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
208 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
209 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
210 | }; | |
211 | ||
f409fd1e MR |
212 | static const char * const mips_cp0_names_r3000[32] = |
213 | { | |
214 | "c0_index", "c0_random", "c0_entrylo", "$3", | |
215 | "c0_context", "$5", "$6", "$7", | |
216 | "c0_badvaddr", "$9", "c0_entryhi", "$11", | |
217 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
218 | "$16", "$17", "$18", "$19", | |
219 | "$20", "$21", "$22", "$23", | |
220 | "$24", "$25", "$26", "$27", | |
221 | "$28", "$29", "$30", "$31", | |
222 | }; | |
223 | ||
224 | static const char * const mips_cp0_names_r4000[32] = | |
225 | { | |
226 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
227 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
228 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
229 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
230 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
231 | "c0_xcontext", "$21", "$22", "$23", | |
232 | "$24", "$25", "c0_ecc", "c0_cacheerr", | |
233 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31", | |
234 | }; | |
235 | ||
e407c74b NC |
236 | static const char * const mips_cp0_names_r5900[32] = |
237 | { | |
238 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
239 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
240 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
241 | "c0_sr", "c0_cause", "c0_epc", "c0_prid", | |
242 | "c0_config", "$17", "$18", "$19", | |
243 | "$20", "$21", "$22", "c0_badpaddr", | |
244 | "c0_depc", "c0_perfcnt", "$26", "$27", | |
245 | "c0_taglo", "c0_taghi", "c0_errorepc", "$31" | |
246 | }; | |
247 | ||
248 | static const struct mips_cp0sel_name mips_cp0sel_names_mipsr5900[] = | |
249 | { | |
250 | { 24, 2, "c0_iab" }, | |
251 | { 24, 3, "c0_iabm" }, | |
252 | { 24, 4, "c0_dab" }, | |
253 | { 24, 5, "c0_dabm" }, | |
254 | { 24, 6, "c0_dvb" }, | |
255 | { 24, 7, "c0_dvbm" }, | |
256 | { 25, 1, "c0_perfcnt,1" }, | |
257 | { 25, 2, "c0_perfcnt,2" } | |
258 | }; | |
259 | ||
47b0e7ad NC |
260 | static const char * const mips_cp0_names_mips3264[32] = |
261 | { | |
640c0ccd CD |
262 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
263 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
264 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
265 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
266 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
267 | "c0_xcontext", "$21", "$22", "c0_debug", | |
268 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
269 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
270 | }; | |
271 | ||
47b0e7ad NC |
272 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] = |
273 | { | |
bbcc0807 CD |
274 | { 16, 1, "c0_config1" }, |
275 | { 16, 2, "c0_config2" }, | |
276 | { 16, 3, "c0_config3" }, | |
277 | { 18, 1, "c0_watchlo,1" }, | |
278 | { 18, 2, "c0_watchlo,2" }, | |
279 | { 18, 3, "c0_watchlo,3" }, | |
280 | { 18, 4, "c0_watchlo,4" }, | |
281 | { 18, 5, "c0_watchlo,5" }, | |
282 | { 18, 6, "c0_watchlo,6" }, | |
283 | { 18, 7, "c0_watchlo,7" }, | |
284 | { 19, 1, "c0_watchhi,1" }, | |
285 | { 19, 2, "c0_watchhi,2" }, | |
286 | { 19, 3, "c0_watchhi,3" }, | |
287 | { 19, 4, "c0_watchhi,4" }, | |
288 | { 19, 5, "c0_watchhi,5" }, | |
289 | { 19, 6, "c0_watchhi,6" }, | |
290 | { 19, 7, "c0_watchhi,7" }, | |
291 | { 25, 1, "c0_perfcnt,1" }, | |
292 | { 25, 2, "c0_perfcnt,2" }, | |
293 | { 25, 3, "c0_perfcnt,3" }, | |
294 | { 25, 4, "c0_perfcnt,4" }, | |
295 | { 25, 5, "c0_perfcnt,5" }, | |
296 | { 25, 6, "c0_perfcnt,6" }, | |
297 | { 25, 7, "c0_perfcnt,7" }, | |
298 | { 27, 1, "c0_cacheerr,1" }, | |
299 | { 27, 2, "c0_cacheerr,2" }, | |
300 | { 27, 3, "c0_cacheerr,3" }, | |
301 | { 28, 1, "c0_datalo" }, | |
302 | { 29, 1, "c0_datahi" } | |
303 | }; | |
304 | ||
47b0e7ad NC |
305 | static const char * const mips_cp0_names_mips3264r2[32] = |
306 | { | |
af7ee8bf CD |
307 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
308 | "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena", | |
309 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
310 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
311 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
312 | "c0_xcontext", "$21", "$22", "c0_debug", | |
313 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
314 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
315 | }; | |
316 | ||
47b0e7ad NC |
317 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] = |
318 | { | |
bbcc0807 | 319 | { 4, 1, "c0_contextconfig" }, |
59c455b3 TS |
320 | { 0, 1, "c0_mvpcontrol" }, |
321 | { 0, 2, "c0_mvpconf0" }, | |
322 | { 0, 3, "c0_mvpconf1" }, | |
323 | { 1, 1, "c0_vpecontrol" }, | |
324 | { 1, 2, "c0_vpeconf0" }, | |
325 | { 1, 3, "c0_vpeconf1" }, | |
326 | { 1, 4, "c0_yqmask" }, | |
327 | { 1, 5, "c0_vpeschedule" }, | |
328 | { 1, 6, "c0_vpeschefback" }, | |
329 | { 2, 1, "c0_tcstatus" }, | |
330 | { 2, 2, "c0_tcbind" }, | |
331 | { 2, 3, "c0_tcrestart" }, | |
332 | { 2, 4, "c0_tchalt" }, | |
333 | { 2, 5, "c0_tccontext" }, | |
334 | { 2, 6, "c0_tcschedule" }, | |
335 | { 2, 7, "c0_tcschefback" }, | |
bbcc0807 | 336 | { 5, 1, "c0_pagegrain" }, |
59c455b3 TS |
337 | { 6, 1, "c0_srsconf0" }, |
338 | { 6, 2, "c0_srsconf1" }, | |
339 | { 6, 3, "c0_srsconf2" }, | |
340 | { 6, 4, "c0_srsconf3" }, | |
341 | { 6, 5, "c0_srsconf4" }, | |
bbcc0807 CD |
342 | { 12, 1, "c0_intctl" }, |
343 | { 12, 2, "c0_srsctl" }, | |
344 | { 12, 3, "c0_srsmap" }, | |
345 | { 15, 1, "c0_ebase" }, | |
346 | { 16, 1, "c0_config1" }, | |
347 | { 16, 2, "c0_config2" }, | |
348 | { 16, 3, "c0_config3" }, | |
349 | { 18, 1, "c0_watchlo,1" }, | |
350 | { 18, 2, "c0_watchlo,2" }, | |
351 | { 18, 3, "c0_watchlo,3" }, | |
352 | { 18, 4, "c0_watchlo,4" }, | |
353 | { 18, 5, "c0_watchlo,5" }, | |
354 | { 18, 6, "c0_watchlo,6" }, | |
355 | { 18, 7, "c0_watchlo,7" }, | |
356 | { 19, 1, "c0_watchhi,1" }, | |
357 | { 19, 2, "c0_watchhi,2" }, | |
358 | { 19, 3, "c0_watchhi,3" }, | |
359 | { 19, 4, "c0_watchhi,4" }, | |
360 | { 19, 5, "c0_watchhi,5" }, | |
361 | { 19, 6, "c0_watchhi,6" }, | |
362 | { 19, 7, "c0_watchhi,7" }, | |
363 | { 23, 1, "c0_tracecontrol" }, | |
364 | { 23, 2, "c0_tracecontrol2" }, | |
365 | { 23, 3, "c0_usertracedata" }, | |
366 | { 23, 4, "c0_tracebpc" }, | |
367 | { 25, 1, "c0_perfcnt,1" }, | |
368 | { 25, 2, "c0_perfcnt,2" }, | |
369 | { 25, 3, "c0_perfcnt,3" }, | |
370 | { 25, 4, "c0_perfcnt,4" }, | |
371 | { 25, 5, "c0_perfcnt,5" }, | |
372 | { 25, 6, "c0_perfcnt,6" }, | |
373 | { 25, 7, "c0_perfcnt,7" }, | |
374 | { 27, 1, "c0_cacheerr,1" }, | |
375 | { 27, 2, "c0_cacheerr,2" }, | |
376 | { 27, 3, "c0_cacheerr,3" }, | |
377 | { 28, 1, "c0_datalo" }, | |
378 | { 28, 2, "c0_taglo1" }, | |
379 | { 28, 3, "c0_datalo1" }, | |
380 | { 28, 4, "c0_taglo2" }, | |
381 | { 28, 5, "c0_datalo2" }, | |
382 | { 28, 6, "c0_taglo3" }, | |
383 | { 28, 7, "c0_datalo3" }, | |
384 | { 29, 1, "c0_datahi" }, | |
385 | { 29, 2, "c0_taghi1" }, | |
386 | { 29, 3, "c0_datahi1" }, | |
387 | { 29, 4, "c0_taghi2" }, | |
388 | { 29, 5, "c0_datahi2" }, | |
389 | { 29, 6, "c0_taghi3" }, | |
390 | { 29, 7, "c0_datahi3" }, | |
391 | }; | |
392 | ||
640c0ccd | 393 | /* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */ |
47b0e7ad NC |
394 | static const char * const mips_cp0_names_sb1[32] = |
395 | { | |
640c0ccd CD |
396 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
397 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
398 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
399 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
400 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
401 | "c0_xcontext", "$21", "$22", "c0_debug", | |
402 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
403 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
404 | }; | |
405 | ||
47b0e7ad NC |
406 | static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] = |
407 | { | |
bbcc0807 CD |
408 | { 16, 1, "c0_config1" }, |
409 | { 18, 1, "c0_watchlo,1" }, | |
410 | { 19, 1, "c0_watchhi,1" }, | |
411 | { 22, 0, "c0_perftrace" }, | |
412 | { 23, 3, "c0_edebug" }, | |
413 | { 25, 1, "c0_perfcnt,1" }, | |
414 | { 25, 2, "c0_perfcnt,2" }, | |
415 | { 25, 3, "c0_perfcnt,3" }, | |
416 | { 25, 4, "c0_perfcnt,4" }, | |
417 | { 25, 5, "c0_perfcnt,5" }, | |
418 | { 25, 6, "c0_perfcnt,6" }, | |
419 | { 25, 7, "c0_perfcnt,7" }, | |
420 | { 26, 1, "c0_buserr_pa" }, | |
421 | { 27, 1, "c0_cacheerr_d" }, | |
422 | { 27, 3, "c0_cacheerr_d_pa" }, | |
423 | { 28, 1, "c0_datalo_i" }, | |
424 | { 28, 2, "c0_taglo_d" }, | |
425 | { 28, 3, "c0_datalo_d" }, | |
426 | { 29, 1, "c0_datahi_i" }, | |
427 | { 29, 2, "c0_taghi_d" }, | |
428 | { 29, 3, "c0_datahi_d" }, | |
429 | }; | |
430 | ||
52b6b6b9 JM |
431 | /* Xlr cop0 register names. */ |
432 | static const char * const mips_cp0_names_xlr[32] = { | |
433 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
434 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
435 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
436 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
437 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
438 | "c0_xcontext", "$21", "$22", "c0_debug", | |
439 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
440 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
441 | }; | |
442 | ||
443 | /* XLR's CP0 Select Registers. */ | |
444 | ||
445 | static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = { | |
446 | { 9, 6, "c0_extintreq" }, | |
447 | { 9, 7, "c0_extintmask" }, | |
448 | { 15, 1, "c0_ebase" }, | |
449 | { 16, 1, "c0_config1" }, | |
450 | { 16, 2, "c0_config2" }, | |
451 | { 16, 3, "c0_config3" }, | |
452 | { 16, 7, "c0_procid2" }, | |
453 | { 18, 1, "c0_watchlo,1" }, | |
454 | { 18, 2, "c0_watchlo,2" }, | |
455 | { 18, 3, "c0_watchlo,3" }, | |
456 | { 18, 4, "c0_watchlo,4" }, | |
457 | { 18, 5, "c0_watchlo,5" }, | |
458 | { 18, 6, "c0_watchlo,6" }, | |
459 | { 18, 7, "c0_watchlo,7" }, | |
460 | { 19, 1, "c0_watchhi,1" }, | |
461 | { 19, 2, "c0_watchhi,2" }, | |
462 | { 19, 3, "c0_watchhi,3" }, | |
463 | { 19, 4, "c0_watchhi,4" }, | |
464 | { 19, 5, "c0_watchhi,5" }, | |
465 | { 19, 6, "c0_watchhi,6" }, | |
466 | { 19, 7, "c0_watchhi,7" }, | |
467 | { 25, 1, "c0_perfcnt,1" }, | |
468 | { 25, 2, "c0_perfcnt,2" }, | |
469 | { 25, 3, "c0_perfcnt,3" }, | |
470 | { 25, 4, "c0_perfcnt,4" }, | |
471 | { 25, 5, "c0_perfcnt,5" }, | |
472 | { 25, 6, "c0_perfcnt,6" }, | |
473 | { 25, 7, "c0_perfcnt,7" }, | |
474 | { 27, 1, "c0_cacheerr,1" }, | |
475 | { 27, 2, "c0_cacheerr,2" }, | |
476 | { 27, 3, "c0_cacheerr,3" }, | |
477 | { 28, 1, "c0_datalo" }, | |
478 | { 29, 1, "c0_datahi" } | |
479 | }; | |
480 | ||
47b0e7ad NC |
481 | static const char * const mips_hwr_names_numeric[32] = |
482 | { | |
af7ee8bf CD |
483 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
484 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
485 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
486 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
487 | }; | |
488 | ||
47b0e7ad NC |
489 | static const char * const mips_hwr_names_mips3264r2[32] = |
490 | { | |
af7ee8bf CD |
491 | "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres", |
492 | "$4", "$5", "$6", "$7", | |
493 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
494 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
495 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
496 | }; | |
497 | ||
47b0e7ad NC |
498 | struct mips_abi_choice |
499 | { | |
500 | const char * name; | |
640c0ccd CD |
501 | const char * const *gpr_names; |
502 | const char * const *fpr_names; | |
503 | }; | |
504 | ||
47b0e7ad NC |
505 | struct mips_abi_choice mips_abi_choices[] = |
506 | { | |
640c0ccd CD |
507 | { "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric }, |
508 | { "32", mips_gpr_names_oldabi, mips_fpr_names_32 }, | |
509 | { "n32", mips_gpr_names_newabi, mips_fpr_names_n32 }, | |
510 | { "64", mips_gpr_names_newabi, mips_fpr_names_64 }, | |
511 | }; | |
512 | ||
47b0e7ad NC |
513 | struct mips_arch_choice |
514 | { | |
640c0ccd CD |
515 | const char *name; |
516 | int bfd_mach_valid; | |
517 | unsigned long bfd_mach; | |
518 | int processor; | |
519 | int isa; | |
520 | const char * const *cp0_names; | |
bbcc0807 CD |
521 | const struct mips_cp0sel_name *cp0sel_names; |
522 | unsigned int cp0sel_names_len; | |
af7ee8bf | 523 | const char * const *hwr_names; |
640c0ccd CD |
524 | }; |
525 | ||
47b0e7ad NC |
526 | const struct mips_arch_choice mips_arch_choices[] = |
527 | { | |
640c0ccd | 528 | { "numeric", 0, 0, 0, 0, |
bbcc0807 CD |
529 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
530 | ||
640c0ccd | 531 | { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, |
f409fd1e | 532 | mips_cp0_names_r3000, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 533 | { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, |
bbcc0807 | 534 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 535 | { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, |
f409fd1e | 536 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 537 | { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, |
bbcc0807 | 538 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 539 | { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, |
bbcc0807 | 540 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 541 | { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, |
bbcc0807 | 542 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 543 | { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, |
bbcc0807 | 544 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 545 | { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, |
bbcc0807 | 546 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 547 | { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, |
f409fd1e | 548 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 549 | { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, |
bbcc0807 | 550 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 551 | { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, |
bbcc0807 | 552 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 553 | { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, |
bbcc0807 | 554 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 555 | { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, |
bbcc0807 | 556 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 557 | { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, |
bbcc0807 | 558 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
e407c74b NC |
559 | { "r5900", 1, bfd_mach_mips5900, CPU_R5900, ISA_MIPS3, |
560 | mips_cp0_names_r5900, NULL, 0, mips_hwr_names_numeric }, | |
640c0ccd | 561 | { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, |
bbcc0807 | 562 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
5a7ea749 RS |
563 | { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, |
564 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
565 | { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, | |
566 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
640c0ccd | 567 | { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, |
bbcc0807 | 568 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 569 | { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, |
bbcc0807 | 570 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 571 | { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, |
bbcc0807 | 572 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
3aa3176b TS |
573 | { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, |
574 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
575 | { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, | |
576 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
640c0ccd | 577 | { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, |
bbcc0807 CD |
578 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
579 | ||
640c0ccd CD |
580 | /* For stock MIPS32, disassemble all applicable MIPS-specified ASEs. |
581 | Note that MIPS-3D and MDMX are not applicable to MIPS32. (See | |
582 | _MIPS32 Architecture For Programmers Volume I: Introduction to the | |
583 | MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95), | |
584 | page 1. */ | |
585 | { "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32, | |
f79e2745 | 586 | ISA_MIPS32 | INSN_SMARTMIPS, |
bbcc0807 CD |
587 | mips_cp0_names_mips3264, |
588 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
589 | mips_hwr_names_numeric }, | |
590 | ||
af7ee8bf | 591 | { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2, |
f79e2745 | 592 | (ISA_MIPS32R2 | INSN_SMARTMIPS | INSN_DSP | INSN_DSPR2 |
dec0624d | 593 | | INSN_MIPS3D | INSN_MT | INSN_MCU), |
bbcc0807 CD |
594 | mips_cp0_names_mips3264r2, |
595 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
596 | mips_hwr_names_mips3264r2 }, | |
597 | ||
640c0ccd CD |
598 | /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */ |
599 | { "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64, | |
f79e2745 | 600 | ISA_MIPS64 | INSN_MIPS3D | INSN_MDMX, |
bbcc0807 CD |
601 | mips_cp0_names_mips3264, |
602 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
603 | mips_hwr_names_numeric }, | |
604 | ||
5f74bc13 | 605 | { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2, |
f79e2745 | 606 | (ISA_MIPS64R2 | INSN_MIPS3D | INSN_DSP | INSN_DSPR2 |
dec0624d | 607 | | INSN_DSP64 | INSN_MT | INSN_MDMX | INSN_MCU), |
5f74bc13 CD |
608 | mips_cp0_names_mips3264r2, |
609 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
610 | mips_hwr_names_mips3264r2 }, | |
611 | ||
640c0ccd CD |
612 | { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1, |
613 | ISA_MIPS64 | INSN_MIPS3D | INSN_SB1, | |
bbcc0807 CD |
614 | mips_cp0_names_sb1, |
615 | mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1), | |
616 | mips_hwr_names_numeric }, | |
640c0ccd | 617 | |
350cc38d MS |
618 | { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E, |
619 | ISA_MIPS3 | INSN_LOONGSON_2E, mips_cp0_names_numeric, | |
620 | NULL, 0, mips_hwr_names_numeric }, | |
621 | ||
622 | { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F, | |
623 | ISA_MIPS3 | INSN_LOONGSON_2F, mips_cp0_names_numeric, | |
624 | NULL, 0, mips_hwr_names_numeric }, | |
625 | ||
fd503541 NC |
626 | { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A, |
627 | ISA_MIPS64 | INSN_LOONGSON_3A, mips_cp0_names_numeric, | |
628 | NULL, 0, mips_hwr_names_numeric }, | |
629 | ||
57b592a3 AN |
630 | { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON, |
631 | ISA_MIPS64R2 | INSN_OCTEON, mips_cp0_names_numeric, NULL, 0, | |
632 | mips_hwr_names_numeric }, | |
633 | ||
dd6a37e7 | 634 | { "octeon+", 1, bfd_mach_mips_octeonp, CPU_OCTEONP, |
432233b3 AP |
635 | ISA_MIPS64R2 | INSN_OCTEONP, mips_cp0_names_numeric, |
636 | NULL, 0, mips_hwr_names_numeric }, | |
637 | ||
638 | { "octeon2", 1, bfd_mach_mips_octeon2, CPU_OCTEON2, | |
639 | ISA_MIPS64R2 | INSN_OCTEON2, mips_cp0_names_numeric, | |
dd6a37e7 AP |
640 | NULL, 0, mips_hwr_names_numeric }, |
641 | ||
52b6b6b9 JM |
642 | { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR, |
643 | ISA_MIPS64 | INSN_XLR, | |
644 | mips_cp0_names_xlr, | |
645 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
646 | mips_hwr_names_numeric }, | |
647 | ||
55a36193 MK |
648 | /* XLP is mostly like XLR, with the prominent exception it is being |
649 | MIPS64R2. */ | |
650 | { "xlp", 1, bfd_mach_mips_xlr, CPU_XLR, | |
651 | ISA_MIPS64R2 | INSN_XLR, | |
652 | mips_cp0_names_xlr, | |
653 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
654 | mips_hwr_names_numeric }, | |
655 | ||
640c0ccd CD |
656 | /* This entry, mips16, is here only for ISA/processor selection; do |
657 | not print its name. */ | |
f79e2745 | 658 | { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3, |
bbcc0807 | 659 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd CD |
660 | }; |
661 | ||
662 | /* ISA and processor type to disassemble for, and register names to use. | |
663 | set_default_mips_dis_options and parse_mips_dis_options fill in these | |
664 | values. */ | |
665 | static int mips_processor; | |
666 | static int mips_isa; | |
df58fc94 | 667 | static int micromips_ase; |
640c0ccd CD |
668 | static const char * const *mips_gpr_names; |
669 | static const char * const *mips_fpr_names; | |
670 | static const char * const *mips_cp0_names; | |
bbcc0807 CD |
671 | static const struct mips_cp0sel_name *mips_cp0sel_names; |
672 | static int mips_cp0sel_names_len; | |
af7ee8bf | 673 | static const char * const *mips_hwr_names; |
640c0ccd | 674 | |
986e18a5 | 675 | /* Other options */ |
47b0e7ad | 676 | static int no_aliases; /* If set disassemble as most general inst. */ |
640c0ccd CD |
677 | \f |
678 | static const struct mips_abi_choice * | |
47b0e7ad | 679 | choose_abi_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
680 | { |
681 | const struct mips_abi_choice *c; | |
682 | unsigned int i; | |
683 | ||
684 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++) | |
47b0e7ad NC |
685 | if (strncmp (mips_abi_choices[i].name, name, namelen) == 0 |
686 | && strlen (mips_abi_choices[i].name) == namelen) | |
687 | c = &mips_abi_choices[i]; | |
688 | ||
640c0ccd CD |
689 | return c; |
690 | } | |
691 | ||
692 | static const struct mips_arch_choice * | |
47b0e7ad | 693 | choose_arch_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
694 | { |
695 | const struct mips_arch_choice *c = NULL; | |
696 | unsigned int i; | |
697 | ||
698 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
47b0e7ad NC |
699 | if (strncmp (mips_arch_choices[i].name, name, namelen) == 0 |
700 | && strlen (mips_arch_choices[i].name) == namelen) | |
701 | c = &mips_arch_choices[i]; | |
702 | ||
640c0ccd CD |
703 | return c; |
704 | } | |
705 | ||
706 | static const struct mips_arch_choice * | |
47b0e7ad | 707 | choose_arch_by_number (unsigned long mach) |
640c0ccd CD |
708 | { |
709 | static unsigned long hint_bfd_mach; | |
710 | static const struct mips_arch_choice *hint_arch_choice; | |
711 | const struct mips_arch_choice *c; | |
712 | unsigned int i; | |
713 | ||
714 | /* We optimize this because even if the user specifies no | |
715 | flags, this will be done for every instruction! */ | |
716 | if (hint_bfd_mach == mach | |
717 | && hint_arch_choice != NULL | |
718 | && hint_arch_choice->bfd_mach == hint_bfd_mach) | |
719 | return hint_arch_choice; | |
720 | ||
721 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
722 | { | |
723 | if (mips_arch_choices[i].bfd_mach_valid | |
724 | && mips_arch_choices[i].bfd_mach == mach) | |
725 | { | |
726 | c = &mips_arch_choices[i]; | |
727 | hint_bfd_mach = mach; | |
728 | hint_arch_choice = c; | |
729 | } | |
730 | } | |
731 | return c; | |
732 | } | |
733 | ||
47b0e7ad NC |
734 | /* Check if the object uses NewABI conventions. */ |
735 | ||
736 | static int | |
737 | is_newabi (Elf_Internal_Ehdr *header) | |
738 | { | |
739 | /* There are no old-style ABIs which use 64-bit ELF. */ | |
740 | if (header->e_ident[EI_CLASS] == ELFCLASS64) | |
741 | return 1; | |
742 | ||
743 | /* If a 32-bit ELF file, n32 is a new-style ABI. */ | |
744 | if ((header->e_flags & EF_MIPS_ABI2) != 0) | |
745 | return 1; | |
746 | ||
747 | return 0; | |
748 | } | |
749 | ||
df58fc94 RS |
750 | /* Check if the object has microMIPS ASE code. */ |
751 | ||
752 | static int | |
753 | is_micromips (Elf_Internal_Ehdr *header) | |
754 | { | |
755 | if ((header->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0) | |
756 | return 1; | |
757 | ||
758 | return 0; | |
759 | } | |
760 | ||
47b0e7ad NC |
761 | static void |
762 | set_default_mips_dis_options (struct disassemble_info *info) | |
640c0ccd CD |
763 | { |
764 | const struct mips_arch_choice *chosen_arch; | |
765 | ||
df58fc94 RS |
766 | /* Defaults: mipsIII/r3000 (?!), no microMIPS ASE (any compressed code |
767 | is MIPS16 ASE) (o)32-style ("oldabi") GPR names, and numeric FPR, | |
768 | CP0 register, and HWR names. */ | |
640c0ccd | 769 | mips_isa = ISA_MIPS3; |
df58fc94 RS |
770 | mips_processor = CPU_R3000; |
771 | micromips_ase = 0; | |
640c0ccd CD |
772 | mips_gpr_names = mips_gpr_names_oldabi; |
773 | mips_fpr_names = mips_fpr_names_numeric; | |
774 | mips_cp0_names = mips_cp0_names_numeric; | |
bbcc0807 CD |
775 | mips_cp0sel_names = NULL; |
776 | mips_cp0sel_names_len = 0; | |
af7ee8bf | 777 | mips_hwr_names = mips_hwr_names_numeric; |
986e18a5 | 778 | no_aliases = 0; |
640c0ccd | 779 | |
df58fc94 | 780 | /* Update settings according to the ELF file header flags. */ |
fec06546 | 781 | if (info->flavour == bfd_target_elf_flavour && info->section != NULL) |
640c0ccd CD |
782 | { |
783 | Elf_Internal_Ehdr *header; | |
784 | ||
fec06546 | 785 | header = elf_elfheader (info->section->owner); |
df58fc94 | 786 | /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */ |
640c0ccd CD |
787 | if (is_newabi (header)) |
788 | mips_gpr_names = mips_gpr_names_newabi; | |
df58fc94 RS |
789 | /* If a microMIPS binary, then don't use MIPS16 bindings. */ |
790 | micromips_ase = is_micromips (header); | |
640c0ccd CD |
791 | } |
792 | ||
793 | /* Set ISA, architecture, and cp0 register names as best we can. */ | |
794 | #if ! SYMTAB_AVAILABLE | |
795 | /* This is running out on a target machine, not in a host tool. | |
796 | FIXME: Where does mips_target_info come from? */ | |
797 | target_processor = mips_target_info.processor; | |
798 | mips_isa = mips_target_info.isa; | |
799 | #else | |
800 | chosen_arch = choose_arch_by_number (info->mach); | |
801 | if (chosen_arch != NULL) | |
802 | { | |
803 | mips_processor = chosen_arch->processor; | |
804 | mips_isa = chosen_arch->isa; | |
bbcc0807 CD |
805 | mips_cp0_names = chosen_arch->cp0_names; |
806 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
807 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
808 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
809 | } |
810 | #endif | |
811 | } | |
812 | ||
47b0e7ad NC |
813 | static void |
814 | parse_mips_dis_option (const char *option, unsigned int len) | |
640c0ccd CD |
815 | { |
816 | unsigned int i, optionlen, vallen; | |
817 | const char *val; | |
818 | const struct mips_abi_choice *chosen_abi; | |
819 | const struct mips_arch_choice *chosen_arch; | |
820 | ||
986e18a5 | 821 | /* Try to match options that are simple flags */ |
0112cd26 | 822 | if (CONST_STRNEQ (option, "no-aliases")) |
986e18a5 FF |
823 | { |
824 | no_aliases = 1; | |
825 | return; | |
826 | } | |
827 | ||
640c0ccd CD |
828 | /* Look for the = that delimits the end of the option name. */ |
829 | for (i = 0; i < len; i++) | |
47b0e7ad NC |
830 | if (option[i] == '=') |
831 | break; | |
832 | ||
640c0ccd CD |
833 | if (i == 0) /* Invalid option: no name before '='. */ |
834 | return; | |
835 | if (i == len) /* Invalid option: no '='. */ | |
836 | return; | |
837 | if (i == (len - 1)) /* Invalid option: no value after '='. */ | |
838 | return; | |
839 | ||
840 | optionlen = i; | |
841 | val = option + (optionlen + 1); | |
842 | vallen = len - (optionlen + 1); | |
843 | ||
47b0e7ad NC |
844 | if (strncmp ("gpr-names", option, optionlen) == 0 |
845 | && strlen ("gpr-names") == optionlen) | |
640c0ccd CD |
846 | { |
847 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 848 | if (chosen_abi != NULL) |
640c0ccd CD |
849 | mips_gpr_names = chosen_abi->gpr_names; |
850 | return; | |
851 | } | |
852 | ||
47b0e7ad NC |
853 | if (strncmp ("fpr-names", option, optionlen) == 0 |
854 | && strlen ("fpr-names") == optionlen) | |
640c0ccd CD |
855 | { |
856 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 857 | if (chosen_abi != NULL) |
640c0ccd CD |
858 | mips_fpr_names = chosen_abi->fpr_names; |
859 | return; | |
860 | } | |
861 | ||
47b0e7ad NC |
862 | if (strncmp ("cp0-names", option, optionlen) == 0 |
863 | && strlen ("cp0-names") == optionlen) | |
640c0ccd CD |
864 | { |
865 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 CD |
866 | if (chosen_arch != NULL) |
867 | { | |
868 | mips_cp0_names = chosen_arch->cp0_names; | |
869 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
870 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
871 | } | |
640c0ccd CD |
872 | return; |
873 | } | |
874 | ||
47b0e7ad NC |
875 | if (strncmp ("hwr-names", option, optionlen) == 0 |
876 | && strlen ("hwr-names") == optionlen) | |
af7ee8bf CD |
877 | { |
878 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 | 879 | if (chosen_arch != NULL) |
af7ee8bf CD |
880 | mips_hwr_names = chosen_arch->hwr_names; |
881 | return; | |
882 | } | |
883 | ||
47b0e7ad NC |
884 | if (strncmp ("reg-names", option, optionlen) == 0 |
885 | && strlen ("reg-names") == optionlen) | |
640c0ccd CD |
886 | { |
887 | /* We check both ABI and ARCH here unconditionally, so | |
888 | that "numeric" will do the desirable thing: select | |
889 | numeric register names for all registers. Other than | |
890 | that, a given name probably won't match both. */ | |
891 | chosen_abi = choose_abi_by_name (val, vallen); | |
892 | if (chosen_abi != NULL) | |
893 | { | |
bbcc0807 CD |
894 | mips_gpr_names = chosen_abi->gpr_names; |
895 | mips_fpr_names = chosen_abi->fpr_names; | |
640c0ccd CD |
896 | } |
897 | chosen_arch = choose_arch_by_name (val, vallen); | |
898 | if (chosen_arch != NULL) | |
899 | { | |
bbcc0807 CD |
900 | mips_cp0_names = chosen_arch->cp0_names; |
901 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
902 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
903 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
904 | } |
905 | return; | |
906 | } | |
907 | ||
908 | /* Invalid option. */ | |
909 | } | |
910 | ||
47b0e7ad NC |
911 | static void |
912 | parse_mips_dis_options (const char *options) | |
640c0ccd CD |
913 | { |
914 | const char *option_end; | |
915 | ||
916 | if (options == NULL) | |
917 | return; | |
918 | ||
919 | while (*options != '\0') | |
920 | { | |
921 | /* Skip empty options. */ | |
922 | if (*options == ',') | |
923 | { | |
924 | options++; | |
925 | continue; | |
926 | } | |
927 | ||
928 | /* We know that *options is neither NUL or a comma. */ | |
929 | option_end = options + 1; | |
930 | while (*option_end != ',' && *option_end != '\0') | |
931 | option_end++; | |
932 | ||
933 | parse_mips_dis_option (options, option_end - options); | |
934 | ||
935 | /* Go on to the next one. If option_end points to a comma, it | |
936 | will be skipped above. */ | |
937 | options = option_end; | |
938 | } | |
939 | } | |
940 | ||
bbcc0807 | 941 | static const struct mips_cp0sel_name * |
47b0e7ad NC |
942 | lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names, |
943 | unsigned int len, | |
944 | unsigned int cp0reg, | |
945 | unsigned int sel) | |
bbcc0807 CD |
946 | { |
947 | unsigned int i; | |
948 | ||
949 | for (i = 0; i < len; i++) | |
950 | if (names[i].cp0reg == cp0reg && names[i].sel == sel) | |
951 | return &names[i]; | |
952 | return NULL; | |
953 | } | |
252b5132 | 954 | \f |
7f6621cd | 955 | /* Print insn arguments for 32/64-bit code. */ |
aa5f19f2 | 956 | |
794ac9d0 | 957 | static void |
47b0e7ad | 958 | print_insn_args (const char *d, |
fc8c4fd1 | 959 | int l, |
47b0e7ad | 960 | bfd_vma pc, |
cc0ca239 TS |
961 | struct disassemble_info *info, |
962 | const struct mips_opcode *opp) | |
252b5132 | 963 | { |
fc8c4fd1 | 964 | const fprintf_ftype infprintf = info->fprintf_func; |
440cc0bc | 965 | unsigned int lsb, msb, msbd; |
fc8c4fd1 MR |
966 | void *is = info->stream; |
967 | int op; | |
440cc0bc CD |
968 | |
969 | lsb = 0; | |
252b5132 | 970 | |
fc8c4fd1 MR |
971 | #define GET_OP(insn, field) \ |
972 | (((insn) >> OP_SH_##field) & OP_MASK_##field) | |
973 | #define GET_OP_S(insn, field) \ | |
974 | ((GET_OP (insn, field) ^ ((OP_MASK_##field >> 1) + 1)) \ | |
975 | - ((OP_MASK_##field >> 1) + 1)) | |
794ac9d0 | 976 | for (; *d != '\0'; d++) |
252b5132 | 977 | { |
af7ee8bf CD |
978 | switch (*d) |
979 | { | |
794ac9d0 CD |
980 | case ',': |
981 | case '(': | |
982 | case ')': | |
983 | case '[': | |
984 | case ']': | |
fc8c4fd1 | 985 | infprintf (is, "%c", *d); |
794ac9d0 CD |
986 | break; |
987 | ||
988 | case '+': | |
989 | /* Extension character; switch for second char. */ | |
990 | d++; | |
991 | switch (*d) | |
992 | { | |
993 | case '\0': | |
994 | /* xgettext:c-format */ | |
fc8c4fd1 MR |
995 | infprintf (is, |
996 | _("# internal error, " | |
997 | "incomplete extension sequence (+)")); | |
794ac9d0 CD |
998 | return; |
999 | ||
1000 | case 'A': | |
fc8c4fd1 MR |
1001 | lsb = GET_OP (l, SHAMT); |
1002 | infprintf (is, "0x%x", lsb); | |
794ac9d0 CD |
1003 | break; |
1004 | ||
1005 | case 'B': | |
fc8c4fd1 MR |
1006 | msb = GET_OP (l, INSMSB); |
1007 | infprintf (is, "0x%x", msb - lsb + 1); | |
794ac9d0 CD |
1008 | break; |
1009 | ||
9bcd4f99 | 1010 | case '1': |
fc8c4fd1 | 1011 | infprintf (is, "0x%x", GET_OP (l, UDI1)); |
9bcd4f99 TS |
1012 | break; |
1013 | ||
1014 | case '2': | |
fc8c4fd1 | 1015 | infprintf (is, "0x%x", GET_OP (l, UDI2)); |
9bcd4f99 TS |
1016 | break; |
1017 | ||
1018 | case '3': | |
fc8c4fd1 | 1019 | infprintf (is, "0x%x", GET_OP (l, UDI3)); |
9bcd4f99 TS |
1020 | break; |
1021 | ||
1022 | case '4': | |
fc8c4fd1 | 1023 | infprintf (is, "0x%x", GET_OP (l, UDI4)); |
9bcd4f99 TS |
1024 | break; |
1025 | ||
794ac9d0 | 1026 | case 'C': |
5f74bc13 | 1027 | case 'H': |
fc8c4fd1 MR |
1028 | msbd = GET_OP (l, EXTMSBD); |
1029 | infprintf (is, "0x%x", msbd + 1); | |
794ac9d0 CD |
1030 | break; |
1031 | ||
1032 | case 'D': | |
1033 | { | |
1034 | const struct mips_cp0sel_name *n; | |
1035 | unsigned int cp0reg, sel; | |
1036 | ||
fc8c4fd1 MR |
1037 | cp0reg = GET_OP (l, RD); |
1038 | sel = GET_OP (l, SEL); | |
794ac9d0 CD |
1039 | |
1040 | /* CP0 register including 'sel' code for mtcN (et al.), to be | |
1041 | printed textually if known. If not known, print both | |
1042 | CP0 register name and sel numerically since CP0 register | |
1043 | with sel 0 may have a name unrelated to register being | |
1044 | printed. */ | |
1045 | n = lookup_mips_cp0sel_name(mips_cp0sel_names, | |
1046 | mips_cp0sel_names_len, cp0reg, sel); | |
1047 | if (n != NULL) | |
fc8c4fd1 | 1048 | infprintf (is, "%s", n->name); |
794ac9d0 | 1049 | else |
fc8c4fd1 | 1050 | infprintf (is, "$%d,%d", cp0reg, sel); |
794ac9d0 CD |
1051 | break; |
1052 | } | |
1053 | ||
5f74bc13 | 1054 | case 'E': |
fc8c4fd1 MR |
1055 | lsb = GET_OP (l, SHAMT) + 32; |
1056 | infprintf (is, "0x%x", lsb); | |
5f74bc13 CD |
1057 | break; |
1058 | ||
1059 | case 'F': | |
fc8c4fd1 MR |
1060 | msb = GET_OP (l, INSMSB) + 32; |
1061 | infprintf (is, "0x%x", msb - lsb + 1); | |
5f74bc13 CD |
1062 | break; |
1063 | ||
1064 | case 'G': | |
fc8c4fd1 MR |
1065 | msbd = GET_OP (l, EXTMSBD) + 32; |
1066 | infprintf (is, "0x%x", msbd + 1); | |
5f74bc13 CD |
1067 | break; |
1068 | ||
61cc0267 | 1069 | case 't': /* Coprocessor 0 reg name */ |
fc8c4fd1 | 1070 | infprintf (is, "%s", mips_cp0_names[GET_OP (l, RT)]); |
61cc0267 CF |
1071 | break; |
1072 | ||
1073 | case 'T': /* Coprocessor 0 reg name */ | |
1074 | { | |
1075 | const struct mips_cp0sel_name *n; | |
1076 | unsigned int cp0reg, sel; | |
1077 | ||
fc8c4fd1 MR |
1078 | cp0reg = GET_OP (l, RT); |
1079 | sel = GET_OP (l, SEL); | |
61cc0267 CF |
1080 | |
1081 | /* CP0 register including 'sel' code for mftc0, to be | |
1082 | printed textually if known. If not known, print both | |
1083 | CP0 register name and sel numerically since CP0 register | |
1084 | with sel 0 may have a name unrelated to register being | |
1085 | printed. */ | |
1086 | n = lookup_mips_cp0sel_name(mips_cp0sel_names, | |
1087 | mips_cp0sel_names_len, cp0reg, sel); | |
1088 | if (n != NULL) | |
fc8c4fd1 | 1089 | infprintf (is, "%s", n->name); |
61cc0267 | 1090 | else |
fc8c4fd1 | 1091 | infprintf (is, "$%d,%d", cp0reg, sel); |
61cc0267 CF |
1092 | break; |
1093 | } | |
1094 | ||
bb35fb24 | 1095 | case 'x': /* bbit bit index */ |
fc8c4fd1 | 1096 | infprintf (is, "0x%x", GET_OP (l, BBITIND)); |
bb35fb24 NC |
1097 | break; |
1098 | ||
1099 | case 'p': /* cins, cins32, exts and exts32 position */ | |
fc8c4fd1 | 1100 | infprintf (is, "0x%x", GET_OP (l, CINSPOS)); |
bb35fb24 NC |
1101 | break; |
1102 | ||
1103 | case 's': /* cins and exts length-minus-one */ | |
fc8c4fd1 | 1104 | infprintf (is, "0x%x", GET_OP (l, CINSLM1)); |
bb35fb24 NC |
1105 | break; |
1106 | ||
1107 | case 'S': /* cins32 and exts32 length-minus-one field */ | |
fc8c4fd1 | 1108 | infprintf (is, "0x%x", GET_OP (l, CINSLM1)); |
bb35fb24 NC |
1109 | break; |
1110 | ||
dd3cbb7e | 1111 | case 'Q': /* seqi/snei immediate field */ |
fc8c4fd1 | 1112 | infprintf (is, "%d", GET_OP_S (l, SEQI)); |
dd3cbb7e NC |
1113 | break; |
1114 | ||
98675402 | 1115 | case 'a': /* 8-bit signed offset in bit 6 */ |
fc8c4fd1 | 1116 | infprintf (is, "%d", GET_OP_S (l, OFFSET_A)); |
98675402 RS |
1117 | break; |
1118 | ||
1119 | case 'b': /* 8-bit signed offset in bit 3 */ | |
fc8c4fd1 | 1120 | infprintf (is, "%d", GET_OP_S (l, OFFSET_B)); |
98675402 RS |
1121 | break; |
1122 | ||
1123 | case 'c': /* 9-bit signed offset in bit 6 */ | |
c95354ed | 1124 | /* Left shift 4 bits to print the real offset. */ |
fc8c4fd1 | 1125 | infprintf (is, "%d", GET_OP_S (l, OFFSET_C) << 4); |
98675402 RS |
1126 | break; |
1127 | ||
1128 | case 'z': | |
fc8c4fd1 | 1129 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RZ)]); |
98675402 RS |
1130 | break; |
1131 | ||
1132 | case 'Z': | |
fc8c4fd1 | 1133 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FZ)]); |
98675402 RS |
1134 | break; |
1135 | ||
794ac9d0 CD |
1136 | default: |
1137 | /* xgettext:c-format */ | |
fc8c4fd1 MR |
1138 | infprintf (is, |
1139 | _("# internal error, " | |
1140 | "undefined extension sequence (+%c)"), | |
1141 | *d); | |
794ac9d0 CD |
1142 | return; |
1143 | } | |
1144 | break; | |
1145 | ||
8b082fb1 | 1146 | case '2': |
fc8c4fd1 | 1147 | infprintf (is, "0x%x", GET_OP (l, BP)); |
8b082fb1 TS |
1148 | break; |
1149 | ||
fd25c5a9 | 1150 | case '3': |
fc8c4fd1 | 1151 | infprintf (is, "0x%x", GET_OP (l, SA3)); |
fd25c5a9 CF |
1152 | break; |
1153 | ||
1154 | case '4': | |
fc8c4fd1 | 1155 | infprintf (is, "0x%x", GET_OP (l, SA4)); |
fd25c5a9 CF |
1156 | break; |
1157 | ||
1158 | case '5': | |
fc8c4fd1 | 1159 | infprintf (is, "0x%x", GET_OP (l, IMM8)); |
fd25c5a9 CF |
1160 | break; |
1161 | ||
1162 | case '6': | |
fc8c4fd1 | 1163 | infprintf (is, "0x%x", GET_OP (l, RS)); |
fd25c5a9 CF |
1164 | break; |
1165 | ||
1166 | case '7': | |
fc8c4fd1 | 1167 | infprintf (is, "$ac%d", GET_OP (l, DSPACC)); |
fd25c5a9 CF |
1168 | break; |
1169 | ||
1170 | case '8': | |
fc8c4fd1 | 1171 | infprintf (is, "0x%x", GET_OP (l, WRDSP)); |
fd25c5a9 CF |
1172 | break; |
1173 | ||
1174 | case '9': | |
fc8c4fd1 | 1175 | infprintf (is, "$ac%d", GET_OP (l, DSPACC_S)); |
fd25c5a9 CF |
1176 | break; |
1177 | ||
1178 | case '0': /* dsp 6-bit signed immediate in bit 20 */ | |
fc8c4fd1 | 1179 | infprintf (is, "%d", GET_OP_S (l, DSPSFT)); |
fd25c5a9 CF |
1180 | break; |
1181 | ||
1182 | case ':': /* dsp 7-bit signed immediate in bit 19 */ | |
fc8c4fd1 | 1183 | infprintf (is, "%d", GET_OP_S (l, DSPSFT_7)); |
fd25c5a9 CF |
1184 | break; |
1185 | ||
dec0624d | 1186 | case '~': |
fc8c4fd1 | 1187 | infprintf (is, "%d", GET_OP_S (l, OFFSET12)); |
dec0624d MR |
1188 | break; |
1189 | ||
1190 | case '\\': | |
fc8c4fd1 | 1191 | infprintf (is, "0x%x", GET_OP (l, 3BITPOS)); |
dec0624d MR |
1192 | break; |
1193 | ||
fd25c5a9 | 1194 | case '\'': |
fc8c4fd1 | 1195 | infprintf (is, "0x%x", GET_OP (l, RDDSP)); |
fd25c5a9 CF |
1196 | break; |
1197 | ||
1198 | case '@': /* dsp 10-bit signed immediate in bit 16 */ | |
fc8c4fd1 | 1199 | infprintf (is, "%d", GET_OP_S (l, IMM10)); |
fd25c5a9 CF |
1200 | break; |
1201 | ||
61cc0267 | 1202 | case '!': |
fc8c4fd1 | 1203 | infprintf (is, "%d", GET_OP (l, MT_U)); |
61cc0267 CF |
1204 | break; |
1205 | ||
1206 | case '$': | |
fc8c4fd1 | 1207 | infprintf (is, "%d", GET_OP (l, MT_H)); |
61cc0267 CF |
1208 | break; |
1209 | ||
1210 | case '*': | |
fc8c4fd1 | 1211 | infprintf (is, "$ac%d", GET_OP (l, MTACC_T)); |
61cc0267 CF |
1212 | break; |
1213 | ||
1214 | case '&': | |
fc8c4fd1 | 1215 | infprintf (is, "$ac%d", GET_OP (l, MTACC_D)); |
61cc0267 CF |
1216 | break; |
1217 | ||
1218 | case 'g': | |
1219 | /* Coprocessor register for CTTC1, MTTC2, MTHC2, CTTC2. */ | |
fc8c4fd1 | 1220 | infprintf (is, "$%d", GET_OP (l, RD)); |
61cc0267 CF |
1221 | break; |
1222 | ||
794ac9d0 CD |
1223 | case 's': |
1224 | case 'b': | |
1225 | case 'r': | |
1226 | case 'v': | |
fc8c4fd1 | 1227 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RS)]); |
794ac9d0 CD |
1228 | break; |
1229 | ||
1230 | case 't': | |
1231 | case 'w': | |
fc8c4fd1 | 1232 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RT)]); |
794ac9d0 CD |
1233 | break; |
1234 | ||
1235 | case 'i': | |
1236 | case 'u': | |
fc8c4fd1 | 1237 | infprintf (is, "0x%x", GET_OP (l, IMMEDIATE)); |
794ac9d0 CD |
1238 | break; |
1239 | ||
1240 | case 'j': /* Same as i, but sign-extended. */ | |
1241 | case 'o': | |
fc8c4fd1 | 1242 | infprintf (is, "%d", GET_OP_S (l, DELTA)); |
794ac9d0 CD |
1243 | break; |
1244 | ||
1245 | case 'h': | |
fc8c4fd1 | 1246 | infprintf (is, "0x%x", GET_OP (l, PREFX)); |
794ac9d0 CD |
1247 | break; |
1248 | ||
1249 | case 'k': | |
fc8c4fd1 | 1250 | infprintf (is, "0x%x", GET_OP (l, CACHE)); |
794ac9d0 CD |
1251 | break; |
1252 | ||
1253 | case 'a': | |
1254 | info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff) | |
fc8c4fd1 | 1255 | | (GET_OP (l, TARGET) << 2)); |
022fac6d TS |
1256 | /* For gdb disassembler, force odd address on jalx. */ |
1257 | if (info->flavour == bfd_target_unknown_flavour | |
1258 | && strcmp (opp->name, "jalx") == 0) | |
1259 | info->target |= 1; | |
794ac9d0 CD |
1260 | (*info->print_address_func) (info->target, info); |
1261 | break; | |
1262 | ||
1263 | case 'p': | |
1264 | /* Sign extend the displacement. */ | |
fc8c4fd1 | 1265 | info->target = (GET_OP_S (l, DELTA) << 2) + pc + INSNLEN; |
794ac9d0 CD |
1266 | (*info->print_address_func) (info->target, info); |
1267 | break; | |
1268 | ||
1269 | case 'd': | |
fc8c4fd1 | 1270 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RD)]); |
794ac9d0 CD |
1271 | break; |
1272 | ||
1273 | case 'U': | |
1274 | { | |
1275 | /* First check for both rd and rt being equal. */ | |
314d60dd ME |
1276 | unsigned int reg; |
1277 | ||
1278 | reg = GET_OP (l, RD); | |
fc8c4fd1 MR |
1279 | if (reg == GET_OP (l, RT)) |
1280 | infprintf (is, "%s", mips_gpr_names[reg]); | |
794ac9d0 CD |
1281 | else |
1282 | { | |
1283 | /* If one is zero use the other. */ | |
1284 | if (reg == 0) | |
fc8c4fd1 MR |
1285 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, RT)]); |
1286 | else if (GET_OP (l, RT) == 0) | |
1287 | infprintf (is, "%s", mips_gpr_names[reg]); | |
794ac9d0 | 1288 | else /* Bogus, result depends on processor. */ |
fc8c4fd1 MR |
1289 | infprintf (is, "%s or %s", |
1290 | mips_gpr_names[reg], | |
1291 | mips_gpr_names[GET_OP (l, RT)]); | |
794ac9d0 CD |
1292 | } |
1293 | } | |
1294 | break; | |
1295 | ||
1296 | case 'z': | |
fc8c4fd1 | 1297 | infprintf (is, "%s", mips_gpr_names[0]); |
794ac9d0 CD |
1298 | break; |
1299 | ||
1300 | case '<': | |
4dc48ef6 | 1301 | case '1': |
fc8c4fd1 | 1302 | infprintf (is, "0x%x", GET_OP (l, SHAMT)); |
af7ee8bf | 1303 | break; |
794ac9d0 CD |
1304 | |
1305 | case 'c': | |
fc8c4fd1 | 1306 | infprintf (is, "0x%x", GET_OP (l, CODE)); |
794ac9d0 CD |
1307 | break; |
1308 | ||
1309 | case 'q': | |
fc8c4fd1 | 1310 | infprintf (is, "0x%x", GET_OP (l, CODE2)); |
af7ee8bf CD |
1311 | break; |
1312 | ||
1313 | case 'C': | |
fc8c4fd1 | 1314 | infprintf (is, "0x%x", GET_OP (l, COPZ)); |
794ac9d0 CD |
1315 | break; |
1316 | ||
1317 | case 'B': | |
fc8c4fd1 | 1318 | infprintf (is, "0x%x", GET_OP (l, CODE20)); |
794ac9d0 CD |
1319 | break; |
1320 | ||
1321 | case 'J': | |
fc8c4fd1 | 1322 | infprintf (is, "0x%x", GET_OP (l, CODE19)); |
794ac9d0 CD |
1323 | break; |
1324 | ||
1325 | case 'S': | |
1326 | case 'V': | |
fc8c4fd1 | 1327 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FS)]); |
794ac9d0 CD |
1328 | break; |
1329 | ||
1330 | case 'T': | |
1331 | case 'W': | |
fc8c4fd1 | 1332 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FT)]); |
af7ee8bf CD |
1333 | break; |
1334 | ||
bbcc0807 | 1335 | case 'D': |
fc8c4fd1 | 1336 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FD)]); |
794ac9d0 CD |
1337 | break; |
1338 | ||
1339 | case 'R': | |
fc8c4fd1 | 1340 | infprintf (is, "%s", mips_fpr_names[GET_OP (l, FR)]); |
794ac9d0 CD |
1341 | break; |
1342 | ||
1343 | case 'E': | |
1344 | /* Coprocessor register for lwcN instructions, et al. | |
1345 | ||
1346 | Note that there is no load/store cp0 instructions, and | |
1347 | that FPU (cp1) instructions disassemble this field using | |
1348 | 'T' format. Therefore, until we gain understanding of | |
1349 | cp2 register names, we can simply print the register | |
1350 | numbers. */ | |
fc8c4fd1 | 1351 | infprintf (is, "$%d", GET_OP (l, RT)); |
794ac9d0 CD |
1352 | break; |
1353 | ||
1354 | case 'G': | |
1355 | /* Coprocessor register for mtcN instructions, et al. Note | |
1356 | that FPU (cp1) instructions disassemble this field using | |
1357 | 'S' format. Therefore, we only need to worry about cp0, | |
1358 | cp2, and cp3. */ | |
fc8c4fd1 | 1359 | op = GET_OP (l, OP); |
794ac9d0 | 1360 | if (op == OP_OP_COP0) |
fc8c4fd1 | 1361 | infprintf (is, "%s", mips_cp0_names[GET_OP (l, RD)]); |
794ac9d0 | 1362 | else |
fc8c4fd1 | 1363 | infprintf (is, "$%d", GET_OP (l, RD)); |
794ac9d0 CD |
1364 | break; |
1365 | ||
1366 | case 'K': | |
fc8c4fd1 | 1367 | infprintf (is, "%s", mips_hwr_names[GET_OP (l, RD)]); |
794ac9d0 CD |
1368 | break; |
1369 | ||
1370 | case 'N': | |
fc8c4fd1 MR |
1371 | infprintf (is, |
1372 | (opp->pinfo & (FP_D | FP_S)) != 0 ? "$fcc%d" : "$cc%d", | |
1373 | GET_OP (l, BCC)); | |
794ac9d0 CD |
1374 | break; |
1375 | ||
1376 | case 'M': | |
fc8c4fd1 | 1377 | infprintf (is, "$fcc%d", GET_OP (l, CCC)); |
794ac9d0 CD |
1378 | break; |
1379 | ||
1380 | case 'P': | |
fc8c4fd1 | 1381 | infprintf (is, "%d", GET_OP (l, PERFREG)); |
794ac9d0 CD |
1382 | break; |
1383 | ||
1384 | case 'e': | |
fc8c4fd1 | 1385 | infprintf (is, "%d", GET_OP (l, VECBYTE)); |
794ac9d0 CD |
1386 | break; |
1387 | ||
1388 | case '%': | |
fc8c4fd1 | 1389 | infprintf (is, "%d", GET_OP (l, VECALIGN)); |
794ac9d0 CD |
1390 | break; |
1391 | ||
1392 | case 'H': | |
fc8c4fd1 | 1393 | infprintf (is, "%d", GET_OP (l, SEL)); |
794ac9d0 CD |
1394 | break; |
1395 | ||
1396 | case 'O': | |
fc8c4fd1 | 1397 | infprintf (is, "%d", GET_OP (l, ALN)); |
794ac9d0 CD |
1398 | break; |
1399 | ||
1400 | case 'Q': | |
bbcc0807 | 1401 | { |
fc8c4fd1 | 1402 | unsigned int vsel = GET_OP (l, VSEL); |
47b0e7ad | 1403 | |
794ac9d0 CD |
1404 | if ((vsel & 0x10) == 0) |
1405 | { | |
1406 | int fmt; | |
47b0e7ad | 1407 | |
794ac9d0 CD |
1408 | vsel &= 0x0f; |
1409 | for (fmt = 0; fmt < 3; fmt++, vsel >>= 1) | |
1410 | if ((vsel & 1) == 0) | |
1411 | break; | |
fc8c4fd1 | 1412 | infprintf (is, "$v%d[%d]", GET_OP (l, FT), vsel >> 1); |
794ac9d0 CD |
1413 | } |
1414 | else if ((vsel & 0x08) == 0) | |
1415 | { | |
fc8c4fd1 | 1416 | infprintf (is, "$v%d", GET_OP (l, FT)); |
794ac9d0 | 1417 | } |
bbcc0807 | 1418 | else |
794ac9d0 | 1419 | { |
fc8c4fd1 | 1420 | infprintf (is, "0x%x", GET_OP (l, FT)); |
794ac9d0 | 1421 | } |
bbcc0807 | 1422 | } |
794ac9d0 CD |
1423 | break; |
1424 | ||
1425 | case 'X': | |
fc8c4fd1 | 1426 | infprintf (is, "$v%d", GET_OP (l, FD)); |
794ac9d0 CD |
1427 | break; |
1428 | ||
1429 | case 'Y': | |
fc8c4fd1 | 1430 | infprintf (is, "$v%d", GET_OP (l, FS)); |
794ac9d0 CD |
1431 | break; |
1432 | ||
1433 | case 'Z': | |
fc8c4fd1 | 1434 | infprintf (is, "$v%d", GET_OP (l, FT)); |
794ac9d0 | 1435 | break; |
bbcc0807 | 1436 | |
af7ee8bf CD |
1437 | default: |
1438 | /* xgettext:c-format */ | |
fc8c4fd1 | 1439 | infprintf (is, _("# internal error, undefined modifier (%c)"), *d); |
794ac9d0 | 1440 | return; |
af7ee8bf | 1441 | } |
252b5132 RH |
1442 | } |
1443 | } | |
1444 | \f | |
252b5132 RH |
1445 | /* Print the mips instruction at address MEMADDR in debugged memory, |
1446 | on using INFO. Returns length of the instruction, in bytes, which is | |
aa5f19f2 | 1447 | always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if |
252b5132 RH |
1448 | this is little-endian code. */ |
1449 | ||
1450 | static int | |
47b0e7ad | 1451 | print_insn_mips (bfd_vma memaddr, |
fc8c4fd1 | 1452 | int word, |
47b0e7ad | 1453 | struct disassemble_info *info) |
252b5132 | 1454 | { |
fc8c4fd1 MR |
1455 | static const struct mips_opcode *mips_hash[OP_MASK_OP + 1]; |
1456 | const fprintf_ftype infprintf = info->fprintf_func; | |
47b0e7ad | 1457 | const struct mips_opcode *op; |
b34976b6 | 1458 | static bfd_boolean init = 0; |
fc8c4fd1 | 1459 | void *is = info->stream; |
252b5132 RH |
1460 | |
1461 | /* Build a hash table to shorten the search time. */ | |
1462 | if (! init) | |
1463 | { | |
1464 | unsigned int i; | |
1465 | ||
1466 | for (i = 0; i <= OP_MASK_OP; i++) | |
1467 | { | |
1468 | for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++) | |
1469 | { | |
986e18a5 | 1470 | if (op->pinfo == INSN_MACRO |
9e836e3d | 1471 | || (no_aliases && (op->pinfo2 & INSN2_ALIAS))) |
252b5132 | 1472 | continue; |
fc8c4fd1 | 1473 | if (i == GET_OP (op->match, OP)) |
252b5132 RH |
1474 | { |
1475 | mips_hash[i] = op; | |
1476 | break; | |
1477 | } | |
1478 | } | |
7f6621cd | 1479 | } |
252b5132 RH |
1480 | |
1481 | init = 1; | |
1482 | } | |
1483 | ||
aa5f19f2 | 1484 | info->bytes_per_chunk = INSNLEN; |
252b5132 | 1485 | info->display_endian = info->endian; |
9bb28706 CD |
1486 | info->insn_info_valid = 1; |
1487 | info->branch_delay_insns = 0; | |
def7143b | 1488 | info->data_size = 0; |
9bb28706 CD |
1489 | info->insn_type = dis_nonbranch; |
1490 | info->target = 0; | |
1491 | info->target2 = 0; | |
252b5132 | 1492 | |
fc8c4fd1 | 1493 | op = mips_hash[GET_OP (word, OP)]; |
252b5132 RH |
1494 | if (op != NULL) |
1495 | { | |
1496 | for (; op < &mips_opcodes[NUMOPCODES]; op++) | |
1497 | { | |
986e18a5 | 1498 | if (op->pinfo != INSN_MACRO |
9e836e3d | 1499 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) |
986e18a5 | 1500 | && (word & op->mask) == op->match) |
252b5132 | 1501 | { |
47b0e7ad | 1502 | const char *d; |
2bd7f1f3 | 1503 | |
3396de36 | 1504 | /* We always allow to disassemble the jalx instruction. */ |
35d0a169 | 1505 | if (!opcode_is_member (op, mips_isa, mips_processor) |
3396de36 | 1506 | && strcmp (op->name, "jalx")) |
252b5132 RH |
1507 | continue; |
1508 | ||
9bb28706 CD |
1509 | /* Figure out instruction type and branch delay information. */ |
1510 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) | |
1511 | { | |
c680e7f6 MR |
1512 | if ((op->pinfo & (INSN_WRITE_GPR_31 |
1513 | | INSN_WRITE_GPR_D)) != 0) | |
9bb28706 CD |
1514 | info->insn_type = dis_jsr; |
1515 | else | |
1516 | info->insn_type = dis_branch; | |
1517 | info->branch_delay_insns = 1; | |
1518 | } | |
1519 | else if ((op->pinfo & (INSN_COND_BRANCH_DELAY | |
1520 | | INSN_COND_BRANCH_LIKELY)) != 0) | |
1521 | { | |
c680e7f6 | 1522 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
9bb28706 CD |
1523 | info->insn_type = dis_condjsr; |
1524 | else | |
1525 | info->insn_type = dis_condbranch; | |
1526 | info->branch_delay_insns = 1; | |
1527 | } | |
1528 | else if ((op->pinfo & (INSN_STORE_MEMORY | |
1529 | | INSN_LOAD_MEMORY_DELAY)) != 0) | |
1530 | info->insn_type = dis_dref; | |
1531 | ||
fc8c4fd1 | 1532 | infprintf (is, "%s", op->name); |
252b5132 RH |
1533 | |
1534 | d = op->args; | |
1535 | if (d != NULL && *d != '\0') | |
1536 | { | |
fc8c4fd1 | 1537 | infprintf (is, "\t"); |
cc0ca239 | 1538 | print_insn_args (d, word, memaddr, info, op); |
252b5132 RH |
1539 | } |
1540 | ||
aa5f19f2 | 1541 | return INSNLEN; |
252b5132 RH |
1542 | } |
1543 | } | |
1544 | } | |
fc8c4fd1 MR |
1545 | #undef GET_OP_S |
1546 | #undef GET_OP | |
252b5132 RH |
1547 | |
1548 | /* Handle undefined instructions. */ | |
9bb28706 | 1549 | info->insn_type = dis_noninsn; |
fc8c4fd1 | 1550 | infprintf (is, "0x%x", word); |
aa5f19f2 | 1551 | return INSNLEN; |
252b5132 | 1552 | } |
aa5f19f2 | 1553 | \f |
252b5132 RH |
1554 | /* Disassemble an operand for a mips16 instruction. */ |
1555 | ||
1556 | static void | |
47b0e7ad NC |
1557 | print_mips16_insn_arg (char type, |
1558 | const struct mips_opcode *op, | |
1559 | int l, | |
1560 | bfd_boolean use_extend, | |
1561 | int extend, | |
1562 | bfd_vma memaddr, | |
1563 | struct disassemble_info *info) | |
252b5132 | 1564 | { |
fc8c4fd1 MR |
1565 | const fprintf_ftype infprintf = info->fprintf_func; |
1566 | void *is = info->stream; | |
1567 | ||
1568 | #define GET_OP(insn, field) \ | |
1569 | (((insn) >> MIPS16OP_SH_##field) & MIPS16OP_MASK_##field) | |
1570 | #define GET_OP_S(insn, field) \ | |
1571 | ((GET_OP (insn, field) ^ ((MIPS16OP_MASK_##field >> 1) + 1)) \ | |
1572 | - ((MIPS16OP_MASK_##field >> 1) + 1)) | |
252b5132 RH |
1573 | switch (type) |
1574 | { | |
1575 | case ',': | |
1576 | case '(': | |
1577 | case ')': | |
fc8c4fd1 | 1578 | infprintf (is, "%c", type); |
252b5132 RH |
1579 | break; |
1580 | ||
1581 | case 'y': | |
1582 | case 'w': | |
fc8c4fd1 | 1583 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, RY))); |
252b5132 RH |
1584 | break; |
1585 | ||
1586 | case 'x': | |
1587 | case 'v': | |
fc8c4fd1 | 1588 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, RX))); |
252b5132 RH |
1589 | break; |
1590 | ||
1591 | case 'z': | |
fc8c4fd1 | 1592 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, RZ))); |
252b5132 RH |
1593 | break; |
1594 | ||
1595 | case 'Z': | |
fc8c4fd1 | 1596 | infprintf (is, "%s", mips16_reg_names (GET_OP (l, MOVE32Z))); |
252b5132 RH |
1597 | break; |
1598 | ||
1599 | case '0': | |
fc8c4fd1 | 1600 | infprintf (is, "%s", mips_gpr_names[0]); |
252b5132 RH |
1601 | break; |
1602 | ||
1603 | case 'S': | |
fc8c4fd1 | 1604 | infprintf (is, "%s", mips_gpr_names[29]); |
252b5132 RH |
1605 | break; |
1606 | ||
1607 | case 'P': | |
fc8c4fd1 | 1608 | infprintf (is, "$pc"); |
252b5132 RH |
1609 | break; |
1610 | ||
1611 | case 'R': | |
fc8c4fd1 | 1612 | infprintf (is, "%s", mips_gpr_names[31]); |
252b5132 RH |
1613 | break; |
1614 | ||
1615 | case 'X': | |
fc8c4fd1 | 1616 | infprintf (is, "%s", mips_gpr_names[GET_OP (l, REGR32)]); |
252b5132 RH |
1617 | break; |
1618 | ||
1619 | case 'Y': | |
fc8c4fd1 | 1620 | infprintf (is, "%s", mips_gpr_names[MIPS16OP_EXTRACT_REG32R (l)]); |
252b5132 RH |
1621 | break; |
1622 | ||
1623 | case '<': | |
1624 | case '>': | |
1625 | case '[': | |
1626 | case ']': | |
1627 | case '4': | |
1628 | case '5': | |
1629 | case 'H': | |
1630 | case 'W': | |
1631 | case 'D': | |
1632 | case 'j': | |
1633 | case '6': | |
1634 | case '8': | |
1635 | case 'V': | |
1636 | case 'C': | |
1637 | case 'U': | |
1638 | case 'k': | |
1639 | case 'K': | |
1640 | case 'p': | |
1641 | case 'q': | |
1642 | case 'A': | |
1643 | case 'B': | |
1644 | case 'E': | |
1645 | { | |
1646 | int immed, nbits, shift, signedp, extbits, pcrel, extu, branch; | |
1647 | ||
1648 | shift = 0; | |
1649 | signedp = 0; | |
1650 | extbits = 16; | |
1651 | pcrel = 0; | |
1652 | extu = 0; | |
1653 | branch = 0; | |
1654 | switch (type) | |
1655 | { | |
1656 | case '<': | |
1657 | nbits = 3; | |
fc8c4fd1 | 1658 | immed = GET_OP (l, RZ); |
252b5132 RH |
1659 | extbits = 5; |
1660 | extu = 1; | |
1661 | break; | |
1662 | case '>': | |
1663 | nbits = 3; | |
fc8c4fd1 | 1664 | immed = GET_OP (l, RX); |
252b5132 RH |
1665 | extbits = 5; |
1666 | extu = 1; | |
1667 | break; | |
1668 | case '[': | |
1669 | nbits = 3; | |
fc8c4fd1 | 1670 | immed = GET_OP (l, RZ); |
252b5132 RH |
1671 | extbits = 6; |
1672 | extu = 1; | |
1673 | break; | |
1674 | case ']': | |
1675 | nbits = 3; | |
fc8c4fd1 | 1676 | immed = GET_OP (l, RX); |
252b5132 RH |
1677 | extbits = 6; |
1678 | extu = 1; | |
1679 | break; | |
1680 | case '4': | |
1681 | nbits = 4; | |
fc8c4fd1 | 1682 | immed = GET_OP (l, IMM4); |
252b5132 RH |
1683 | signedp = 1; |
1684 | extbits = 15; | |
1685 | break; | |
1686 | case '5': | |
1687 | nbits = 5; | |
fc8c4fd1 | 1688 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1689 | info->insn_type = dis_dref; |
1690 | info->data_size = 1; | |
1691 | break; | |
1692 | case 'H': | |
1693 | nbits = 5; | |
1694 | shift = 1; | |
fc8c4fd1 | 1695 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1696 | info->insn_type = dis_dref; |
1697 | info->data_size = 2; | |
1698 | break; | |
1699 | case 'W': | |
1700 | nbits = 5; | |
1701 | shift = 2; | |
fc8c4fd1 | 1702 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1703 | if ((op->pinfo & MIPS16_INSN_READ_PC) == 0 |
1704 | && (op->pinfo & MIPS16_INSN_READ_SP) == 0) | |
1705 | { | |
1706 | info->insn_type = dis_dref; | |
1707 | info->data_size = 4; | |
1708 | } | |
1709 | break; | |
1710 | case 'D': | |
1711 | nbits = 5; | |
1712 | shift = 3; | |
fc8c4fd1 | 1713 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1714 | info->insn_type = dis_dref; |
1715 | info->data_size = 8; | |
1716 | break; | |
1717 | case 'j': | |
1718 | nbits = 5; | |
fc8c4fd1 | 1719 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1720 | signedp = 1; |
1721 | break; | |
1722 | case '6': | |
1723 | nbits = 6; | |
fc8c4fd1 | 1724 | immed = GET_OP (l, IMM6); |
252b5132 RH |
1725 | break; |
1726 | case '8': | |
1727 | nbits = 8; | |
fc8c4fd1 | 1728 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1729 | break; |
1730 | case 'V': | |
1731 | nbits = 8; | |
1732 | shift = 2; | |
fc8c4fd1 | 1733 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1734 | /* FIXME: This might be lw, or it might be addiu to $sp or |
1735 | $pc. We assume it's load. */ | |
1736 | info->insn_type = dis_dref; | |
1737 | info->data_size = 4; | |
1738 | break; | |
1739 | case 'C': | |
1740 | nbits = 8; | |
1741 | shift = 3; | |
fc8c4fd1 | 1742 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1743 | info->insn_type = dis_dref; |
1744 | info->data_size = 8; | |
1745 | break; | |
1746 | case 'U': | |
1747 | nbits = 8; | |
fc8c4fd1 | 1748 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1749 | extu = 1; |
1750 | break; | |
1751 | case 'k': | |
1752 | nbits = 8; | |
fc8c4fd1 | 1753 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1754 | signedp = 1; |
1755 | break; | |
1756 | case 'K': | |
1757 | nbits = 8; | |
1758 | shift = 3; | |
fc8c4fd1 | 1759 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1760 | signedp = 1; |
1761 | break; | |
1762 | case 'p': | |
1763 | nbits = 8; | |
fc8c4fd1 | 1764 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1765 | signedp = 1; |
1766 | pcrel = 1; | |
1767 | branch = 1; | |
252b5132 RH |
1768 | break; |
1769 | case 'q': | |
1770 | nbits = 11; | |
fc8c4fd1 | 1771 | immed = GET_OP (l, IMM11); |
252b5132 RH |
1772 | signedp = 1; |
1773 | pcrel = 1; | |
1774 | branch = 1; | |
252b5132 RH |
1775 | break; |
1776 | case 'A': | |
1777 | nbits = 8; | |
1778 | shift = 2; | |
fc8c4fd1 | 1779 | immed = GET_OP (l, IMM8); |
252b5132 RH |
1780 | pcrel = 1; |
1781 | /* FIXME: This can be lw or la. We assume it is lw. */ | |
1782 | info->insn_type = dis_dref; | |
1783 | info->data_size = 4; | |
1784 | break; | |
1785 | case 'B': | |
1786 | nbits = 5; | |
1787 | shift = 3; | |
fc8c4fd1 | 1788 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1789 | pcrel = 1; |
1790 | info->insn_type = dis_dref; | |
1791 | info->data_size = 8; | |
1792 | break; | |
1793 | case 'E': | |
1794 | nbits = 5; | |
1795 | shift = 2; | |
fc8c4fd1 | 1796 | immed = GET_OP (l, IMM5); |
252b5132 RH |
1797 | pcrel = 1; |
1798 | break; | |
1799 | default: | |
1800 | abort (); | |
1801 | } | |
1802 | ||
1803 | if (! use_extend) | |
1804 | { | |
1805 | if (signedp && immed >= (1 << (nbits - 1))) | |
1806 | immed -= 1 << nbits; | |
1807 | immed <<= shift; | |
1808 | if ((type == '<' || type == '>' || type == '[' || type == ']') | |
1809 | && immed == 0) | |
1810 | immed = 8; | |
1811 | } | |
1812 | else | |
1813 | { | |
1814 | if (extbits == 16) | |
1815 | immed |= ((extend & 0x1f) << 11) | (extend & 0x7e0); | |
1816 | else if (extbits == 15) | |
1817 | immed |= ((extend & 0xf) << 11) | (extend & 0x7f0); | |
1818 | else | |
1819 | immed = ((extend >> 6) & 0x1f) | (extend & 0x20); | |
1820 | immed &= (1 << extbits) - 1; | |
1821 | if (! extu && immed >= (1 << (extbits - 1))) | |
1822 | immed -= 1 << extbits; | |
1823 | } | |
1824 | ||
1825 | if (! pcrel) | |
fc8c4fd1 | 1826 | infprintf (is, "%d", immed); |
252b5132 RH |
1827 | else |
1828 | { | |
1829 | bfd_vma baseaddr; | |
252b5132 RH |
1830 | |
1831 | if (branch) | |
1832 | { | |
1833 | immed *= 2; | |
1834 | baseaddr = memaddr + 2; | |
1835 | } | |
1836 | else if (use_extend) | |
1837 | baseaddr = memaddr - 2; | |
1838 | else | |
1839 | { | |
1840 | int status; | |
1841 | bfd_byte buffer[2]; | |
1842 | ||
1843 | baseaddr = memaddr; | |
1844 | ||
1845 | /* If this instruction is in the delay slot of a jr | |
1846 | instruction, the base address is the address of the | |
1847 | jr instruction. If it is in the delay slot of jalr | |
1848 | instruction, the base address is the address of the | |
1849 | jalr instruction. This test is unreliable: we have | |
1850 | no way of knowing whether the previous word is | |
1851 | instruction or data. */ | |
1852 | status = (*info->read_memory_func) (memaddr - 4, buffer, 2, | |
1853 | info); | |
1854 | if (status == 0 | |
1855 | && (((info->endian == BFD_ENDIAN_BIG | |
1856 | ? bfd_getb16 (buffer) | |
1857 | : bfd_getl16 (buffer)) | |
1858 | & 0xf800) == 0x1800)) | |
1859 | baseaddr = memaddr - 4; | |
1860 | else | |
1861 | { | |
1862 | status = (*info->read_memory_func) (memaddr - 2, buffer, | |
1863 | 2, info); | |
1864 | if (status == 0 | |
1865 | && (((info->endian == BFD_ENDIAN_BIG | |
1866 | ? bfd_getb16 (buffer) | |
1867 | : bfd_getl16 (buffer)) | |
1868 | & 0xf81f) == 0xe800)) | |
1869 | baseaddr = memaddr - 2; | |
1870 | } | |
1871 | } | |
9bb28706 | 1872 | info->target = (baseaddr & ~((1 << shift) - 1)) + immed; |
022fac6d TS |
1873 | if (pcrel && branch |
1874 | && info->flavour == bfd_target_unknown_flavour) | |
1875 | /* For gdb disassembler, maintain odd address. */ | |
1876 | info->target |= 1; | |
9bb28706 | 1877 | (*info->print_address_func) (info->target, info); |
252b5132 RH |
1878 | } |
1879 | } | |
1880 | break; | |
1881 | ||
1882 | case 'a': | |
022fac6d TS |
1883 | { |
1884 | int jalx = l & 0x400; | |
1885 | ||
1886 | if (! use_extend) | |
1887 | extend = 0; | |
1888 | l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2); | |
1889 | if (!jalx && info->flavour == bfd_target_unknown_flavour) | |
1890 | /* For gdb disassembler, maintain odd address. */ | |
1891 | l |= 1; | |
1892 | } | |
9bb28706 CD |
1893 | info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l; |
1894 | (*info->print_address_func) (info->target, info); | |
252b5132 RH |
1895 | break; |
1896 | ||
1897 | case 'l': | |
1898 | case 'L': | |
1899 | { | |
1900 | int need_comma, amask, smask; | |
1901 | ||
1902 | need_comma = 0; | |
1903 | ||
fc8c4fd1 | 1904 | l = GET_OP (l, IMM6); |
252b5132 RH |
1905 | |
1906 | amask = (l >> 3) & 7; | |
1907 | ||
1908 | if (amask > 0 && amask < 5) | |
1909 | { | |
fc8c4fd1 | 1910 | infprintf (is, "%s", mips_gpr_names[4]); |
252b5132 | 1911 | if (amask > 1) |
fc8c4fd1 | 1912 | infprintf (is, "-%s", mips_gpr_names[amask + 3]); |
252b5132 RH |
1913 | need_comma = 1; |
1914 | } | |
1915 | ||
1916 | smask = (l >> 1) & 3; | |
1917 | if (smask == 3) | |
1918 | { | |
fc8c4fd1 | 1919 | infprintf (is, "%s??", need_comma ? "," : ""); |
252b5132 RH |
1920 | need_comma = 1; |
1921 | } | |
1922 | else if (smask > 0) | |
1923 | { | |
fc8c4fd1 | 1924 | infprintf (is, "%s%s", need_comma ? "," : "", mips_gpr_names[16]); |
252b5132 | 1925 | if (smask > 1) |
fc8c4fd1 | 1926 | infprintf (is, "-%s", mips_gpr_names[smask + 15]); |
252b5132 RH |
1927 | need_comma = 1; |
1928 | } | |
1929 | ||
1930 | if (l & 1) | |
1931 | { | |
fc8c4fd1 | 1932 | infprintf (is, "%s%s", need_comma ? "," : "", mips_gpr_names[31]); |
252b5132 RH |
1933 | need_comma = 1; |
1934 | } | |
1935 | ||
1936 | if (amask == 5 || amask == 6) | |
1937 | { | |
fc8c4fd1 | 1938 | infprintf (is, "%s$f0", need_comma ? "," : ""); |
252b5132 | 1939 | if (amask == 6) |
fc8c4fd1 | 1940 | infprintf (is, "-$f1"); |
252b5132 RH |
1941 | } |
1942 | } | |
1943 | break; | |
1944 | ||
0499d65b TS |
1945 | case 'm': |
1946 | case 'M': | |
1947 | /* MIPS16e save/restore. */ | |
1948 | { | |
1949 | int need_comma = 0; | |
1950 | int amask, args, statics; | |
1951 | int nsreg, smask; | |
1952 | int framesz; | |
1953 | int i, j; | |
1954 | ||
1955 | l = l & 0x7f; | |
1956 | if (use_extend) | |
1957 | l |= extend << 16; | |
1958 | ||
1959 | amask = (l >> 16) & 0xf; | |
1960 | if (amask == MIPS16_ALL_ARGS) | |
1961 | { | |
1962 | args = 4; | |
1963 | statics = 0; | |
1964 | } | |
1965 | else if (amask == MIPS16_ALL_STATICS) | |
1966 | { | |
1967 | args = 0; | |
1968 | statics = 4; | |
1969 | } | |
1970 | else | |
1971 | { | |
1972 | args = amask >> 2; | |
1973 | statics = amask & 3; | |
1974 | } | |
1975 | ||
1976 | if (args > 0) { | |
fc8c4fd1 | 1977 | infprintf (is, "%s", mips_gpr_names[4]); |
0499d65b | 1978 | if (args > 1) |
fc8c4fd1 | 1979 | infprintf (is, "-%s", mips_gpr_names[4 + args - 1]); |
0499d65b TS |
1980 | need_comma = 1; |
1981 | } | |
1982 | ||
1983 | framesz = (((l >> 16) & 0xf0) | (l & 0x0f)) * 8; | |
1984 | if (framesz == 0 && !use_extend) | |
1985 | framesz = 128; | |
1986 | ||
fc8c4fd1 | 1987 | infprintf (is, "%s%d", need_comma ? "," : "", framesz); |
0499d65b TS |
1988 | |
1989 | if (l & 0x40) /* $ra */ | |
fc8c4fd1 | 1990 | infprintf (is, ",%s", mips_gpr_names[31]); |
0499d65b TS |
1991 | |
1992 | nsreg = (l >> 24) & 0x7; | |
1993 | smask = 0; | |
1994 | if (l & 0x20) /* $s0 */ | |
1995 | smask |= 1 << 0; | |
1996 | if (l & 0x10) /* $s1 */ | |
1997 | smask |= 1 << 1; | |
1998 | if (nsreg > 0) /* $s2-$s8 */ | |
1999 | smask |= ((1 << nsreg) - 1) << 2; | |
2000 | ||
2001 | /* Find first set static reg bit. */ | |
2002 | for (i = 0; i < 9; i++) | |
2003 | { | |
2004 | if (smask & (1 << i)) | |
2005 | { | |
fc8c4fd1 | 2006 | infprintf (is, ",%s", mips_gpr_names[i == 8 ? 30 : (16 + i)]); |
0499d65b TS |
2007 | /* Skip over string of set bits. */ |
2008 | for (j = i; smask & (2 << j); j++) | |
2009 | continue; | |
2010 | if (j > i) | |
fc8c4fd1 | 2011 | infprintf (is, "-%s", mips_gpr_names[j == 8 ? 30 : (16 + j)]); |
0499d65b TS |
2012 | i = j + 1; |
2013 | } | |
2014 | } | |
2015 | ||
2016 | /* Statics $ax - $a3. */ | |
2017 | if (statics == 1) | |
fc8c4fd1 | 2018 | infprintf (is, ",%s", mips_gpr_names[7]); |
0499d65b | 2019 | else if (statics > 0) |
fc8c4fd1 MR |
2020 | infprintf (is, ",%s-%s", |
2021 | mips_gpr_names[7 - statics + 1], | |
2022 | mips_gpr_names[7]); | |
0499d65b TS |
2023 | } |
2024 | break; | |
2025 | ||
252b5132 | 2026 | default: |
aa5f19f2 | 2027 | /* xgettext:c-format */ |
fc8c4fd1 MR |
2028 | infprintf (is, |
2029 | _("# internal disassembler error, " | |
2030 | "unrecognised modifier (%c)"), | |
2031 | type); | |
252b5132 RH |
2032 | abort (); |
2033 | } | |
2034 | } | |
640c0ccd | 2035 | |
47b0e7ad NC |
2036 | /* Disassemble mips16 instructions. */ |
2037 | ||
2038 | static int | |
2039 | print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info) | |
2040 | { | |
fc8c4fd1 | 2041 | const fprintf_ftype infprintf = info->fprintf_func; |
47b0e7ad NC |
2042 | int status; |
2043 | bfd_byte buffer[2]; | |
2044 | int length; | |
2045 | int insn; | |
2046 | bfd_boolean use_extend; | |
2047 | int extend = 0; | |
2048 | const struct mips_opcode *op, *opend; | |
fc8c4fd1 | 2049 | void *is = info->stream; |
47b0e7ad NC |
2050 | |
2051 | info->bytes_per_chunk = 2; | |
2052 | info->display_endian = info->endian; | |
2053 | info->insn_info_valid = 1; | |
2054 | info->branch_delay_insns = 0; | |
2055 | info->data_size = 0; | |
2056 | info->insn_type = dis_nonbranch; | |
2057 | info->target = 0; | |
2058 | info->target2 = 0; | |
2059 | ||
2060 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2061 | if (status != 0) | |
2062 | { | |
2063 | (*info->memory_error_func) (status, memaddr, info); | |
2064 | return -1; | |
2065 | } | |
2066 | ||
2067 | length = 2; | |
2068 | ||
2069 | if (info->endian == BFD_ENDIAN_BIG) | |
2070 | insn = bfd_getb16 (buffer); | |
2071 | else | |
2072 | insn = bfd_getl16 (buffer); | |
2073 | ||
2074 | /* Handle the extend opcode specially. */ | |
2075 | use_extend = FALSE; | |
2076 | if ((insn & 0xf800) == 0xf000) | |
2077 | { | |
2078 | use_extend = TRUE; | |
2079 | extend = insn & 0x7ff; | |
2080 | ||
2081 | memaddr += 2; | |
2082 | ||
2083 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2084 | if (status != 0) | |
2085 | { | |
fc8c4fd1 | 2086 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
2087 | (*info->memory_error_func) (status, memaddr, info); |
2088 | return -1; | |
2089 | } | |
2090 | ||
2091 | if (info->endian == BFD_ENDIAN_BIG) | |
2092 | insn = bfd_getb16 (buffer); | |
2093 | else | |
2094 | insn = bfd_getl16 (buffer); | |
2095 | ||
2096 | /* Check for an extend opcode followed by an extend opcode. */ | |
2097 | if ((insn & 0xf800) == 0xf000) | |
2098 | { | |
fc8c4fd1 | 2099 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
2100 | info->insn_type = dis_noninsn; |
2101 | return length; | |
2102 | } | |
2103 | ||
2104 | length += 2; | |
2105 | } | |
2106 | ||
2107 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
2108 | ||
2109 | opend = mips16_opcodes + bfd_mips16_num_opcodes; | |
2110 | for (op = mips16_opcodes; op < opend; op++) | |
2111 | { | |
2112 | if (op->pinfo != INSN_MACRO | |
2113 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
2114 | && (insn & op->mask) == op->match) | |
2115 | { | |
2116 | const char *s; | |
2117 | ||
2118 | if (strchr (op->args, 'a') != NULL) | |
2119 | { | |
2120 | if (use_extend) | |
2121 | { | |
fc8c4fd1 | 2122 | infprintf (is, "extend 0x%x", (unsigned int) extend); |
47b0e7ad NC |
2123 | info->insn_type = dis_noninsn; |
2124 | return length - 2; | |
2125 | } | |
2126 | ||
2127 | use_extend = FALSE; | |
2128 | ||
2129 | memaddr += 2; | |
2130 | ||
2131 | status = (*info->read_memory_func) (memaddr, buffer, 2, | |
2132 | info); | |
2133 | if (status == 0) | |
2134 | { | |
2135 | use_extend = TRUE; | |
2136 | if (info->endian == BFD_ENDIAN_BIG) | |
2137 | extend = bfd_getb16 (buffer); | |
2138 | else | |
2139 | extend = bfd_getl16 (buffer); | |
2140 | length += 2; | |
2141 | } | |
2142 | } | |
2143 | ||
fc8c4fd1 | 2144 | infprintf (is, "%s", op->name); |
47b0e7ad | 2145 | if (op->args[0] != '\0') |
fc8c4fd1 | 2146 | infprintf (is, "\t"); |
47b0e7ad NC |
2147 | |
2148 | for (s = op->args; *s != '\0'; s++) | |
2149 | { | |
2150 | if (*s == ',' | |
2151 | && s[1] == 'w' | |
fc8c4fd1 | 2152 | && GET_OP (insn, RX) == GET_OP (insn, RY)) |
47b0e7ad NC |
2153 | { |
2154 | /* Skip the register and the comma. */ | |
2155 | ++s; | |
2156 | continue; | |
2157 | } | |
2158 | if (*s == ',' | |
2159 | && s[1] == 'v' | |
fc8c4fd1 | 2160 | && GET_OP (insn, RZ) == GET_OP (insn, RX)) |
47b0e7ad NC |
2161 | { |
2162 | /* Skip the register and the comma. */ | |
2163 | ++s; | |
2164 | continue; | |
2165 | } | |
2166 | print_mips16_insn_arg (*s, op, insn, use_extend, extend, memaddr, | |
2167 | info); | |
2168 | } | |
2169 | ||
9a2c7088 | 2170 | /* Figure out branch instruction type and delay slot information. */ |
47b0e7ad | 2171 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) |
9a2c7088 MR |
2172 | info->branch_delay_insns = 1; |
2173 | if ((op->pinfo & (INSN_UNCOND_BRANCH_DELAY | |
2174 | | MIPS16_INSN_UNCOND_BRANCH)) != 0) | |
47b0e7ad | 2175 | { |
9a2c7088 MR |
2176 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
2177 | info->insn_type = dis_jsr; | |
2178 | else | |
47b0e7ad NC |
2179 | info->insn_type = dis_branch; |
2180 | } | |
9a2c7088 MR |
2181 | else if ((op->pinfo & MIPS16_INSN_COND_BRANCH) != 0) |
2182 | info->insn_type = dis_condbranch; | |
47b0e7ad NC |
2183 | |
2184 | return length; | |
2185 | } | |
2186 | } | |
fc8c4fd1 MR |
2187 | #undef GET_OP_S |
2188 | #undef GET_OP | |
47b0e7ad NC |
2189 | |
2190 | if (use_extend) | |
fc8c4fd1 MR |
2191 | infprintf (is, "0x%x", extend | 0xf000); |
2192 | infprintf (is, "0x%x", insn); | |
47b0e7ad NC |
2193 | info->insn_type = dis_noninsn; |
2194 | ||
2195 | return length; | |
2196 | } | |
2197 | ||
df58fc94 RS |
2198 | /* Disassemble microMIPS instructions. */ |
2199 | ||
2200 | static int | |
2201 | print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info) | |
2202 | { | |
0c7533d3 | 2203 | const fprintf_ftype infprintf = info->fprintf_func; |
df58fc94 RS |
2204 | const struct mips_opcode *op, *opend; |
2205 | unsigned int lsb, msbd, msb; | |
2206 | void *is = info->stream; | |
2207 | unsigned int regno; | |
2208 | bfd_byte buffer[2]; | |
2209 | int lastregno = 0; | |
2210 | int higher; | |
2211 | int length; | |
2212 | int status; | |
2213 | int delta; | |
2214 | int immed; | |
2215 | int insn; | |
2216 | ||
2217 | lsb = 0; | |
2218 | ||
2219 | info->bytes_per_chunk = 2; | |
2220 | info->display_endian = info->endian; | |
2221 | info->insn_info_valid = 1; | |
2222 | info->branch_delay_insns = 0; | |
2223 | info->data_size = 0; | |
2224 | info->insn_type = dis_nonbranch; | |
2225 | info->target = 0; | |
2226 | info->target2 = 0; | |
2227 | ||
2228 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2229 | if (status != 0) | |
2230 | { | |
2231 | (*info->memory_error_func) (status, memaddr, info); | |
2232 | return -1; | |
2233 | } | |
2234 | ||
2235 | length = 2; | |
2236 | ||
2237 | if (info->endian == BFD_ENDIAN_BIG) | |
2238 | insn = bfd_getb16 (buffer); | |
2239 | else | |
2240 | insn = bfd_getl16 (buffer); | |
2241 | ||
2242 | if ((insn & 0xfc00) == 0x7c00) | |
2243 | { | |
2244 | /* This is a 48-bit microMIPS instruction. */ | |
2245 | higher = insn; | |
2246 | ||
2247 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
2248 | if (status != 0) | |
2249 | { | |
0c7533d3 | 2250 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
2251 | (*info->memory_error_func) (status, memaddr + 2, info); |
2252 | return -1; | |
2253 | } | |
2254 | if (info->endian == BFD_ENDIAN_BIG) | |
2255 | insn = bfd_getb16 (buffer); | |
2256 | else | |
2257 | insn = bfd_getl16 (buffer); | |
2258 | higher = (higher << 16) | insn; | |
2259 | ||
2260 | status = (*info->read_memory_func) (memaddr + 4, buffer, 2, info); | |
2261 | if (status != 0) | |
2262 | { | |
0c7533d3 | 2263 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
2264 | (*info->memory_error_func) (status, memaddr + 4, info); |
2265 | return -1; | |
2266 | } | |
2267 | if (info->endian == BFD_ENDIAN_BIG) | |
2268 | insn = bfd_getb16 (buffer); | |
2269 | else | |
2270 | insn = bfd_getl16 (buffer); | |
0c7533d3 | 2271 | infprintf (is, "0x%x%04x (48-bit insn)", higher, insn); |
df58fc94 RS |
2272 | |
2273 | info->insn_type = dis_noninsn; | |
2274 | return 6; | |
2275 | } | |
2276 | else if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000) | |
2277 | { | |
2278 | /* This is a 32-bit microMIPS instruction. */ | |
2279 | higher = insn; | |
2280 | ||
2281 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
2282 | if (status != 0) | |
2283 | { | |
0c7533d3 | 2284 | infprintf (is, "micromips 0x%x", higher); |
df58fc94 RS |
2285 | (*info->memory_error_func) (status, memaddr + 2, info); |
2286 | return -1; | |
2287 | } | |
2288 | ||
2289 | if (info->endian == BFD_ENDIAN_BIG) | |
2290 | insn = bfd_getb16 (buffer); | |
2291 | else | |
2292 | insn = bfd_getl16 (buffer); | |
2293 | ||
2294 | insn = insn | (higher << 16); | |
2295 | ||
2296 | length += 2; | |
2297 | } | |
2298 | ||
2299 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
2300 | ||
2301 | #define GET_OP(insn, field) \ | |
2302 | (((insn) >> MICROMIPSOP_SH_##field) & MICROMIPSOP_MASK_##field) | |
fc8c4fd1 MR |
2303 | #define GET_OP_S(insn, field) \ |
2304 | ((GET_OP (insn, field) ^ ((MICROMIPSOP_MASK_##field >> 1) + 1)) \ | |
2305 | - ((MICROMIPSOP_MASK_##field >> 1) + 1)) | |
df58fc94 RS |
2306 | opend = micromips_opcodes + bfd_micromips_num_opcodes; |
2307 | for (op = micromips_opcodes; op < opend; op++) | |
2308 | { | |
2309 | if (op->pinfo != INSN_MACRO | |
2310 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
2311 | && (insn & op->mask) == op->match | |
2312 | && ((length == 2 && (op->mask & 0xffff0000) == 0) | |
2313 | || (length == 4 && (op->mask & 0xffff0000) != 0))) | |
2314 | { | |
2315 | const char *s; | |
2316 | ||
0c7533d3 | 2317 | infprintf (is, "%s", op->name); |
df58fc94 | 2318 | if (op->args[0] != '\0') |
0c7533d3 | 2319 | infprintf (is, "\t"); |
df58fc94 RS |
2320 | |
2321 | for (s = op->args; *s != '\0'; s++) | |
2322 | { | |
2323 | switch (*s) | |
2324 | { | |
2325 | case ',': | |
2326 | case '(': | |
2327 | case ')': | |
0c7533d3 | 2328 | infprintf (is, "%c", *s); |
df58fc94 RS |
2329 | break; |
2330 | ||
2331 | case '.': | |
fc8c4fd1 | 2332 | infprintf (is, "%d", GET_OP_S (insn, OFFSET10)); |
df58fc94 RS |
2333 | break; |
2334 | ||
2335 | case '1': | |
d908c8af | 2336 | infprintf (is, "0x%x", GET_OP (insn, STYPE)); |
df58fc94 RS |
2337 | break; |
2338 | ||
03f66e8a | 2339 | case '2': |
48891606 | 2340 | infprintf (is, "0x%x", GET_OP (insn, BP)); |
03f66e8a MR |
2341 | break; |
2342 | ||
2343 | case '3': | |
48891606 | 2344 | infprintf (is, "0x%x", GET_OP (insn, SA3)); |
03f66e8a MR |
2345 | break; |
2346 | ||
2347 | case '4': | |
48891606 | 2348 | infprintf (is, "0x%x", GET_OP (insn, SA4)); |
03f66e8a MR |
2349 | break; |
2350 | ||
2351 | case '5': | |
48891606 | 2352 | infprintf (is, "0x%x", GET_OP (insn, IMM8)); |
03f66e8a MR |
2353 | break; |
2354 | ||
2355 | case '6': | |
48891606 | 2356 | infprintf (is, "0x%x", GET_OP (insn, RS)); |
03f66e8a MR |
2357 | break; |
2358 | ||
2359 | case '7': | |
48891606 | 2360 | infprintf (is, "$ac%d", GET_OP (insn, DSPACC)); |
03f66e8a MR |
2361 | break; |
2362 | ||
2363 | case '8': | |
48891606 | 2364 | infprintf (is, "0x%x", GET_OP (insn, WRDSP)); |
03f66e8a MR |
2365 | break; |
2366 | ||
2367 | case '0': /* DSP 6-bit signed immediate in bit 16. */ | |
2368 | delta = (GET_OP (insn, DSPSFT) ^ 0x20) - 0x20; | |
2369 | infprintf (is, "%d", delta); | |
2370 | break; | |
2371 | ||
df58fc94 | 2372 | case '<': |
d908c8af | 2373 | infprintf (is, "0x%x", GET_OP (insn, SHAMT)); |
df58fc94 RS |
2374 | break; |
2375 | ||
dec0624d | 2376 | case '\\': |
d908c8af | 2377 | infprintf (is, "0x%x", GET_OP (insn, 3BITPOS)); |
dec0624d MR |
2378 | break; |
2379 | ||
03f66e8a | 2380 | case '^': |
48891606 | 2381 | infprintf (is, "0x%x", GET_OP (insn, RD)); |
03f66e8a MR |
2382 | break; |
2383 | ||
df58fc94 | 2384 | case '|': |
d908c8af | 2385 | infprintf (is, "0x%x", GET_OP (insn, TRAP)); |
df58fc94 RS |
2386 | break; |
2387 | ||
2388 | case '~': | |
fc8c4fd1 | 2389 | infprintf (is, "%d", GET_OP_S (insn, OFFSET12)); |
df58fc94 RS |
2390 | break; |
2391 | ||
2392 | case 'a': | |
2393 | if (strcmp (op->name, "jalx") == 0) | |
2394 | info->target = (((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | |
2395 | | (GET_OP (insn, TARGET) << 2)); | |
2396 | else | |
2397 | info->target = (((memaddr + 4) & ~(bfd_vma) 0x07ffffff) | |
fc8c4fd1 | 2398 | | (GET_OP (insn, TARGET) << 1)); |
df58fc94 RS |
2399 | /* For gdb disassembler, force odd address on jalx. */ |
2400 | if (info->flavour == bfd_target_unknown_flavour | |
2401 | && strcmp (op->name, "jalx") == 0) | |
2402 | info->target |= 1; | |
2403 | (*info->print_address_func) (info->target, info); | |
2404 | break; | |
2405 | ||
2406 | case 'b': | |
2407 | case 'r': | |
2408 | case 's': | |
2409 | case 'v': | |
0c7533d3 | 2410 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS)]); |
df58fc94 RS |
2411 | break; |
2412 | ||
2413 | case 'c': | |
d908c8af | 2414 | infprintf (is, "0x%x", GET_OP (insn, CODE)); |
df58fc94 RS |
2415 | break; |
2416 | ||
2417 | case 'd': | |
0c7533d3 | 2418 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RD)]); |
df58fc94 RS |
2419 | break; |
2420 | ||
2421 | case 'h': | |
d908c8af | 2422 | infprintf (is, "0x%x", GET_OP (insn, PREFX)); |
df58fc94 RS |
2423 | break; |
2424 | ||
2425 | case 'i': | |
2426 | case 'u': | |
d908c8af | 2427 | infprintf (is, "0x%x", GET_OP (insn, IMMEDIATE)); |
df58fc94 RS |
2428 | break; |
2429 | ||
2430 | case 'j': /* Same as i, but sign-extended. */ | |
2431 | case 'o': | |
fc8c4fd1 | 2432 | infprintf (is, "%d", GET_OP_S (insn, DELTA)); |
df58fc94 RS |
2433 | break; |
2434 | ||
2435 | case 'k': | |
0c7533d3 | 2436 | infprintf (is, "0x%x", GET_OP (insn, CACHE)); |
df58fc94 RS |
2437 | break; |
2438 | ||
2439 | case 'n': | |
2440 | { | |
2441 | int s_reg_encode; | |
2442 | ||
2443 | immed = GET_OP (insn, RT); | |
2444 | s_reg_encode = immed & 0xf; | |
2445 | if (s_reg_encode != 0) | |
2446 | { | |
2447 | if (s_reg_encode == 1) | |
0c7533d3 | 2448 | infprintf (is, "%s", mips_gpr_names[16]); |
df58fc94 | 2449 | else if (s_reg_encode < 9) |
0c7533d3 | 2450 | infprintf (is, "%s-%s", |
df58fc94 RS |
2451 | mips_gpr_names[16], |
2452 | mips_gpr_names[15 + s_reg_encode]); | |
2453 | else if (s_reg_encode == 9) | |
0c7533d3 | 2454 | infprintf (is, "%s-%s,%s", |
df58fc94 RS |
2455 | mips_gpr_names[16], |
2456 | mips_gpr_names[23], | |
2457 | mips_gpr_names[30]); | |
2458 | else | |
0c7533d3 | 2459 | infprintf (is, "UNKNOWN"); |
df58fc94 RS |
2460 | } |
2461 | ||
2462 | if (immed & 0x10) /* For ra. */ | |
2463 | { | |
2464 | if (s_reg_encode == 0) | |
0c7533d3 | 2465 | infprintf (is, "%s", mips_gpr_names[31]); |
df58fc94 | 2466 | else |
0c7533d3 | 2467 | infprintf (is, ",%s", mips_gpr_names[31]); |
df58fc94 RS |
2468 | } |
2469 | break; | |
2470 | } | |
2471 | ||
2472 | case 'p': | |
2473 | /* Sign-extend the displacement. */ | |
fc8c4fd1 | 2474 | delta = GET_OP_S (insn, DELTA); |
df58fc94 RS |
2475 | info->target = (delta << 1) + memaddr + length; |
2476 | (*info->print_address_func) (info->target, info); | |
2477 | break; | |
2478 | ||
2479 | case 'q': | |
d908c8af | 2480 | infprintf (is, "0x%x", GET_OP (insn, CODE2)); |
df58fc94 RS |
2481 | break; |
2482 | ||
2483 | case 't': | |
2484 | case 'w': | |
0c7533d3 | 2485 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RT)]); |
df58fc94 RS |
2486 | break; |
2487 | ||
2488 | case 'y': | |
0c7533d3 | 2489 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS3)]); |
df58fc94 RS |
2490 | break; |
2491 | ||
2492 | case 'z': | |
0c7533d3 | 2493 | infprintf (is, "%s", mips_gpr_names[0]); |
df58fc94 RS |
2494 | break; |
2495 | ||
03f66e8a MR |
2496 | case '@': /* DSP 10-bit signed immediate in bit 16. */ |
2497 | delta = (GET_OP (insn, IMM10) ^ 0x200) - 0x200; | |
2498 | infprintf (is, "%d", delta); | |
2499 | break; | |
2500 | ||
df58fc94 | 2501 | case 'B': |
d908c8af | 2502 | infprintf (is, "0x%x", GET_OP (insn, CODE10)); |
df58fc94 RS |
2503 | break; |
2504 | ||
2505 | case 'C': | |
d908c8af | 2506 | infprintf (is, "0x%x", GET_OP (insn, COPZ)); |
df58fc94 RS |
2507 | break; |
2508 | ||
2509 | case 'D': | |
0c7533d3 | 2510 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FD)]); |
df58fc94 RS |
2511 | break; |
2512 | ||
2513 | case 'E': | |
2514 | /* Coprocessor register for lwcN instructions, et al. | |
2515 | ||
2516 | Note that there is no load/store cp0 instructions, and | |
2517 | that FPU (cp1) instructions disassemble this field using | |
2518 | 'T' format. Therefore, until we gain understanding of | |
2519 | cp2 register names, we can simply print the register | |
2520 | numbers. */ | |
d908c8af | 2521 | infprintf (is, "$%d", GET_OP (insn, RT)); |
df58fc94 RS |
2522 | break; |
2523 | ||
2524 | case 'G': | |
2525 | /* Coprocessor register for mtcN instructions, et al. Note | |
2526 | that FPU (cp1) instructions disassemble this field using | |
2527 | 'S' format. Therefore, we only need to worry about cp0, | |
2528 | cp2, and cp3. | |
2529 | The microMIPS encoding does not have a coprocessor | |
2530 | identifier field as such, so we must work out the | |
2531 | coprocessor number by looking at the opcode. */ | |
2532 | switch (insn | |
2533 | & ~((MICROMIPSOP_MASK_RT << MICROMIPSOP_SH_RT) | |
2534 | | (MICROMIPSOP_MASK_RS << MICROMIPSOP_SH_RS))) | |
2535 | { | |
2536 | case 0x000000fc: /* mfc0 */ | |
2537 | case 0x000002fc: /* mtc0 */ | |
2538 | case 0x580000fc: /* dmfc0 */ | |
2539 | case 0x580002fc: /* dmtc0 */ | |
0c7533d3 | 2540 | infprintf (is, "%s", mips_cp0_names[GET_OP (insn, RS)]); |
df58fc94 RS |
2541 | break; |
2542 | default: | |
d908c8af | 2543 | infprintf (is, "$%d", GET_OP (insn, RS)); |
df58fc94 RS |
2544 | break; |
2545 | } | |
2546 | break; | |
2547 | ||
2548 | case 'H': | |
d908c8af | 2549 | infprintf (is, "%d", GET_OP (insn, SEL)); |
df58fc94 RS |
2550 | break; |
2551 | ||
2552 | case 'K': | |
0c7533d3 | 2553 | infprintf (is, "%s", mips_hwr_names[GET_OP (insn, RS)]); |
df58fc94 RS |
2554 | break; |
2555 | ||
2556 | case 'M': | |
d908c8af | 2557 | infprintf (is, "$fcc%d", GET_OP (insn, CCC)); |
df58fc94 RS |
2558 | break; |
2559 | ||
2560 | case 'N': | |
0c7533d3 | 2561 | infprintf (is, |
df58fc94 | 2562 | (op->pinfo & (FP_D | FP_S)) != 0 |
d908c8af | 2563 | ? "$fcc%d" : "$cc%d", |
df58fc94 RS |
2564 | GET_OP (insn, BCC)); |
2565 | break; | |
2566 | ||
2567 | case 'R': | |
0c7533d3 | 2568 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FR)]); |
df58fc94 RS |
2569 | break; |
2570 | ||
2571 | case 'S': | |
2572 | case 'V': | |
0c7533d3 | 2573 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FS)]); |
df58fc94 RS |
2574 | break; |
2575 | ||
2576 | case 'T': | |
0c7533d3 | 2577 | infprintf (is, "%s", mips_fpr_names[GET_OP (insn, FT)]); |
df58fc94 RS |
2578 | break; |
2579 | ||
2580 | case '+': | |
2581 | /* Extension character; switch for second char. */ | |
2582 | s++; | |
2583 | switch (*s) | |
2584 | { | |
2585 | case 'A': | |
2586 | lsb = GET_OP (insn, EXTLSB); | |
0c7533d3 | 2587 | infprintf (is, "0x%x", lsb); |
df58fc94 RS |
2588 | break; |
2589 | ||
2590 | case 'B': | |
2591 | msb = GET_OP (insn, INSMSB); | |
0c7533d3 | 2592 | infprintf (is, "0x%x", msb - lsb + 1); |
df58fc94 RS |
2593 | break; |
2594 | ||
2595 | case 'C': | |
2596 | case 'H': | |
2597 | msbd = GET_OP (insn, EXTMSBD); | |
0c7533d3 | 2598 | infprintf (is, "0x%x", msbd + 1); |
df58fc94 RS |
2599 | break; |
2600 | ||
2601 | case 'D': | |
2602 | { | |
2603 | const struct mips_cp0sel_name *n; | |
2604 | unsigned int cp0reg, sel; | |
2605 | ||
2606 | cp0reg = GET_OP (insn, RS); | |
2607 | sel = GET_OP (insn, SEL); | |
2608 | ||
2609 | /* CP0 register including 'sel' code for mtcN | |
2610 | (et al.), to be printed textually if known. | |
2611 | If not known, print both CP0 register name and | |
2612 | sel numerically since CP0 register with sel 0 may | |
2613 | have a name unrelated to register being printed. */ | |
2614 | n = lookup_mips_cp0sel_name (mips_cp0sel_names, | |
2615 | mips_cp0sel_names_len, | |
2616 | cp0reg, sel); | |
2617 | if (n != NULL) | |
0c7533d3 | 2618 | infprintf (is, "%s", n->name); |
df58fc94 | 2619 | else |
0c7533d3 | 2620 | infprintf (is, "$%d,%d", cp0reg, sel); |
df58fc94 RS |
2621 | break; |
2622 | } | |
2623 | ||
2624 | case 'E': | |
2625 | lsb = GET_OP (insn, EXTLSB) + 32; | |
0c7533d3 | 2626 | infprintf (is, "0x%x", lsb); |
df58fc94 RS |
2627 | break; |
2628 | ||
2629 | case 'F': | |
2630 | msb = GET_OP (insn, INSMSB) + 32; | |
0c7533d3 | 2631 | infprintf (is, "0x%x", msb - lsb + 1); |
df58fc94 RS |
2632 | break; |
2633 | ||
2634 | case 'G': | |
2635 | msbd = GET_OP (insn, EXTMSBD) + 32; | |
0c7533d3 | 2636 | infprintf (is, "0x%x", msbd + 1); |
df58fc94 RS |
2637 | break; |
2638 | ||
2639 | default: | |
2640 | /* xgettext:c-format */ | |
0c7533d3 | 2641 | infprintf (is, |
df58fc94 RS |
2642 | _("# internal disassembler error, " |
2643 | "unrecognized modifier (+%c)"), | |
2644 | *s); | |
2645 | abort (); | |
2646 | } | |
2647 | break; | |
2648 | ||
2649 | case 'm': | |
2650 | /* Extension character; switch for second char. */ | |
2651 | s++; | |
2652 | switch (*s) | |
2653 | { | |
2654 | case 'a': /* global pointer. */ | |
0c7533d3 | 2655 | infprintf (is, "%s", mips_gpr_names[28]); |
df58fc94 RS |
2656 | break; |
2657 | ||
2658 | case 'b': | |
2659 | regno = micromips_to_32_reg_b_map[GET_OP (insn, MB)]; | |
0c7533d3 | 2660 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2661 | break; |
2662 | ||
2663 | case 'c': | |
2664 | regno = micromips_to_32_reg_c_map[GET_OP (insn, MC)]; | |
0c7533d3 | 2665 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2666 | break; |
2667 | ||
2668 | case 'd': | |
2669 | regno = micromips_to_32_reg_d_map[GET_OP (insn, MD)]; | |
0c7533d3 | 2670 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2671 | break; |
2672 | ||
2673 | case 'e': | |
2674 | regno = micromips_to_32_reg_e_map[GET_OP (insn, ME)]; | |
0c7533d3 | 2675 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2676 | break; |
2677 | ||
2678 | case 'f': | |
2679 | /* Save lastregno for "mt" to print out later. */ | |
2680 | lastregno = micromips_to_32_reg_f_map[GET_OP (insn, MF)]; | |
0c7533d3 | 2681 | infprintf (is, "%s", mips_gpr_names[lastregno]); |
df58fc94 RS |
2682 | break; |
2683 | ||
2684 | case 'g': | |
2685 | regno = micromips_to_32_reg_g_map[GET_OP (insn, MG)]; | |
0c7533d3 | 2686 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2687 | break; |
2688 | ||
2689 | case 'h': | |
2690 | regno = micromips_to_32_reg_h_map[GET_OP (insn, MH)]; | |
0c7533d3 | 2691 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2692 | break; |
2693 | ||
2694 | case 'i': | |
2695 | regno = micromips_to_32_reg_i_map[GET_OP (insn, MI)]; | |
0c7533d3 | 2696 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2697 | break; |
2698 | ||
2699 | case 'j': | |
0c7533d3 | 2700 | infprintf (is, "%s", mips_gpr_names[GET_OP (insn, MJ)]); |
df58fc94 RS |
2701 | break; |
2702 | ||
2703 | case 'l': | |
2704 | regno = micromips_to_32_reg_l_map[GET_OP (insn, ML)]; | |
0c7533d3 | 2705 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2706 | break; |
2707 | ||
2708 | case 'm': | |
2709 | regno = micromips_to_32_reg_m_map[GET_OP (insn, MM)]; | |
0c7533d3 | 2710 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2711 | break; |
2712 | ||
2713 | case 'n': | |
2714 | regno = micromips_to_32_reg_n_map[GET_OP (insn, MN)]; | |
0c7533d3 | 2715 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2716 | break; |
2717 | ||
2718 | case 'p': | |
2719 | /* Save lastregno for "mt" to print out later. */ | |
2720 | lastregno = GET_OP (insn, MP); | |
0c7533d3 | 2721 | infprintf (is, "%s", mips_gpr_names[lastregno]); |
df58fc94 RS |
2722 | break; |
2723 | ||
2724 | case 'q': | |
2725 | regno = micromips_to_32_reg_q_map[GET_OP (insn, MQ)]; | |
0c7533d3 | 2726 | infprintf (is, "%s", mips_gpr_names[regno]); |
df58fc94 RS |
2727 | break; |
2728 | ||
2729 | case 'r': /* program counter. */ | |
0c7533d3 | 2730 | infprintf (is, "$pc"); |
df58fc94 RS |
2731 | break; |
2732 | ||
2733 | case 's': /* stack pointer. */ | |
2734 | lastregno = 29; | |
0c7533d3 | 2735 | infprintf (is, "%s", mips_gpr_names[29]); |
df58fc94 RS |
2736 | break; |
2737 | ||
2738 | case 't': | |
0c7533d3 | 2739 | infprintf (is, "%s", mips_gpr_names[lastregno]); |
df58fc94 RS |
2740 | break; |
2741 | ||
2742 | case 'z': /* $0. */ | |
0c7533d3 | 2743 | infprintf (is, "%s", mips_gpr_names[0]); |
df58fc94 RS |
2744 | break; |
2745 | ||
2746 | case 'A': | |
2747 | /* Sign-extend the immediate. */ | |
fc8c4fd1 | 2748 | immed = GET_OP_S (insn, IMMA) << 2; |
0c7533d3 | 2749 | infprintf (is, "%d", immed); |
df58fc94 RS |
2750 | break; |
2751 | ||
2752 | case 'B': | |
2753 | immed = micromips_imm_b_map[GET_OP (insn, IMMB)]; | |
0c7533d3 | 2754 | infprintf (is, "%d", immed); |
df58fc94 RS |
2755 | break; |
2756 | ||
2757 | case 'C': | |
2758 | immed = micromips_imm_c_map[GET_OP (insn, IMMC)]; | |
d908c8af | 2759 | infprintf (is, "0x%x", immed); |
df58fc94 RS |
2760 | break; |
2761 | ||
2762 | case 'D': | |
2763 | /* Sign-extend the displacement. */ | |
fc8c4fd1 | 2764 | delta = GET_OP_S (insn, IMMD); |
df58fc94 RS |
2765 | info->target = (delta << 1) + memaddr + length; |
2766 | (*info->print_address_func) (info->target, info); | |
2767 | break; | |
2768 | ||
2769 | case 'E': | |
2770 | /* Sign-extend the displacement. */ | |
fc8c4fd1 | 2771 | delta = GET_OP_S (insn, IMME); |
df58fc94 RS |
2772 | info->target = (delta << 1) + memaddr + length; |
2773 | (*info->print_address_func) (info->target, info); | |
2774 | break; | |
2775 | ||
2776 | case 'F': | |
2777 | immed = GET_OP (insn, IMMF); | |
0c7533d3 | 2778 | infprintf (is, "0x%x", immed); |
df58fc94 RS |
2779 | break; |
2780 | ||
2781 | case 'G': | |
2782 | immed = (insn >> MICROMIPSOP_SH_IMMG) + 1; | |
2783 | immed = (immed & MICROMIPSOP_MASK_IMMG) - 1; | |
0c7533d3 | 2784 | infprintf (is, "%d", immed); |
df58fc94 RS |
2785 | break; |
2786 | ||
2787 | case 'H': | |
2788 | immed = GET_OP (insn, IMMH) << 1; | |
0c7533d3 | 2789 | infprintf (is, "%d", immed); |
df58fc94 RS |
2790 | break; |
2791 | ||
2792 | case 'I': | |
2793 | immed = (insn >> MICROMIPSOP_SH_IMMI) + 1; | |
2794 | immed = (immed & MICROMIPSOP_MASK_IMMI) - 1; | |
0c7533d3 | 2795 | infprintf (is, "%d", immed); |
df58fc94 RS |
2796 | break; |
2797 | ||
2798 | case 'J': | |
2799 | immed = GET_OP (insn, IMMJ) << 2; | |
0c7533d3 | 2800 | infprintf (is, "%d", immed); |
df58fc94 RS |
2801 | break; |
2802 | ||
2803 | case 'L': | |
2804 | immed = GET_OP (insn, IMML); | |
0c7533d3 | 2805 | infprintf (is, "%d", immed); |
df58fc94 RS |
2806 | break; |
2807 | ||
2808 | case 'M': | |
2809 | immed = (insn >> MICROMIPSOP_SH_IMMM) - 1; | |
2810 | immed = (immed & MICROMIPSOP_MASK_IMMM) + 1; | |
0c7533d3 | 2811 | infprintf (is, "%d", immed); |
df58fc94 RS |
2812 | break; |
2813 | ||
2814 | case 'N': | |
2815 | immed = GET_OP (insn, IMMN); | |
2816 | if (immed == 0) | |
0c7533d3 | 2817 | infprintf (is, "%s,%s", |
df58fc94 RS |
2818 | mips_gpr_names[16], |
2819 | mips_gpr_names[31]); | |
2820 | else | |
0c7533d3 | 2821 | infprintf (is, "%s-%s,%s", |
df58fc94 RS |
2822 | mips_gpr_names[16], |
2823 | mips_gpr_names[16 + immed], | |
2824 | mips_gpr_names[31]); | |
2825 | break; | |
2826 | ||
2827 | case 'O': | |
2828 | immed = GET_OP (insn, IMMO); | |
0c7533d3 | 2829 | infprintf (is, "0x%x", immed); |
df58fc94 RS |
2830 | break; |
2831 | ||
2832 | case 'P': | |
2833 | immed = GET_OP (insn, IMMP) << 2; | |
0c7533d3 | 2834 | infprintf (is, "%d", immed); |
df58fc94 RS |
2835 | break; |
2836 | ||
2837 | case 'Q': | |
2838 | /* Sign-extend the immediate. */ | |
fc8c4fd1 | 2839 | immed = GET_OP_S (insn, IMMQ) << 2; |
0c7533d3 | 2840 | infprintf (is, "%d", immed); |
df58fc94 RS |
2841 | break; |
2842 | ||
2843 | case 'U': | |
2844 | immed = GET_OP (insn, IMMU) << 2; | |
0c7533d3 | 2845 | infprintf (is, "%d", immed); |
df58fc94 RS |
2846 | break; |
2847 | ||
2848 | case 'W': | |
2849 | immed = GET_OP (insn, IMMW) << 2; | |
0c7533d3 | 2850 | infprintf (is, "%d", immed); |
df58fc94 RS |
2851 | break; |
2852 | ||
2853 | case 'X': | |
2854 | /* Sign-extend the immediate. */ | |
fc8c4fd1 | 2855 | immed = GET_OP_S (insn, IMMX); |
0c7533d3 | 2856 | infprintf (is, "%d", immed); |
df58fc94 RS |
2857 | break; |
2858 | ||
2859 | case 'Y': | |
2860 | /* Sign-extend the immediate. */ | |
fc8c4fd1 MR |
2861 | immed = GET_OP_S (insn, IMMY) << 2; |
2862 | if ((unsigned int) (immed + 8) < 16) | |
2863 | immed ^= 0x400; | |
0c7533d3 | 2864 | infprintf (is, "%d", immed); |
df58fc94 RS |
2865 | break; |
2866 | ||
2867 | default: | |
2868 | /* xgettext:c-format */ | |
0c7533d3 | 2869 | infprintf (is, |
df58fc94 RS |
2870 | _("# internal disassembler error, " |
2871 | "unrecognized modifier (m%c)"), | |
2872 | *s); | |
2873 | abort (); | |
2874 | } | |
2875 | break; | |
2876 | ||
2877 | default: | |
2878 | /* xgettext:c-format */ | |
0c7533d3 | 2879 | infprintf (is, |
df58fc94 RS |
2880 | _("# internal disassembler error, " |
2881 | "unrecognized modifier (%c)"), | |
2882 | *s); | |
2883 | abort (); | |
2884 | } | |
2885 | } | |
2886 | ||
2887 | /* Figure out instruction type and branch delay information. */ | |
2888 | if ((op->pinfo | |
2889 | & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0) | |
2890 | info->branch_delay_insns = 1; | |
2891 | if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY) | |
2892 | | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0) | |
2893 | { | |
2894 | if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_GPR_T)) != 0) | |
2895 | info->insn_type = dis_jsr; | |
2896 | else | |
2897 | info->insn_type = dis_branch; | |
2898 | } | |
2899 | else if (((op->pinfo & INSN_COND_BRANCH_DELAY) | |
2900 | | (op->pinfo2 & INSN2_COND_BRANCH)) != 0) | |
2901 | { | |
2902 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) | |
2903 | info->insn_type = dis_condjsr; | |
2904 | else | |
2905 | info->insn_type = dis_condbranch; | |
2906 | } | |
2907 | else if ((op->pinfo | |
2908 | & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY_DELAY)) != 0) | |
2909 | info->insn_type = dis_dref; | |
2910 | ||
2911 | return length; | |
2912 | } | |
2913 | } | |
fc8c4fd1 | 2914 | #undef GET_OP_S |
df58fc94 RS |
2915 | #undef GET_OP |
2916 | ||
0c7533d3 | 2917 | infprintf (is, "0x%x", insn); |
df58fc94 RS |
2918 | info->insn_type = dis_noninsn; |
2919 | ||
2920 | return length; | |
2921 | } | |
2922 | ||
2923 | /* Return 1 if a symbol associated with the location being disassembled | |
2924 | indicates a compressed (MIPS16 or microMIPS) mode. We iterate over | |
2925 | all the symbols at the address being considered assuming if at least | |
2926 | one of them indicates code compression, then such code has been | |
2927 | genuinely produced here (other symbols could have been derived from | |
2928 | function symbols defined elsewhere or could define data). Otherwise, | |
2929 | return 0. */ | |
2930 | ||
2931 | static bfd_boolean | |
2932 | is_compressed_mode_p (struct disassemble_info *info) | |
2933 | { | |
2934 | elf_symbol_type *symbol; | |
2935 | int pos; | |
2936 | int i; | |
2937 | ||
2938 | for (i = 0; i < info->num_symbols; i++) | |
2939 | { | |
2940 | pos = info->symtab_pos + i; | |
2941 | ||
2942 | if (bfd_asymbol_flavour (info->symtab[pos]) != bfd_target_elf_flavour) | |
2943 | continue; | |
2944 | ||
5417f71e MR |
2945 | if (info->symtab[pos]->section != info->section) |
2946 | continue; | |
2947 | ||
df58fc94 RS |
2948 | symbol = (elf_symbol_type *) info->symtab[pos]; |
2949 | if ((!micromips_ase | |
2950 | && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other)) | |
2951 | || (micromips_ase | |
2952 | && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other))) | |
2953 | return 1; | |
2954 | } | |
2955 | ||
2956 | return 0; | |
2957 | } | |
2958 | ||
47b0e7ad NC |
2959 | /* In an environment where we do not know the symbol type of the |
2960 | instruction we are forced to assume that the low order bit of the | |
2961 | instructions' address may mark it as a mips16 instruction. If we | |
2962 | are single stepping, or the pc is within the disassembled function, | |
2963 | this works. Otherwise, we need a clue. Sometimes. */ | |
2964 | ||
2965 | static int | |
2966 | _print_insn_mips (bfd_vma memaddr, | |
2967 | struct disassemble_info *info, | |
2968 | enum bfd_endian endianness) | |
2969 | { | |
df58fc94 | 2970 | int (*print_insn_compr) (bfd_vma, struct disassemble_info *); |
47b0e7ad NC |
2971 | bfd_byte buffer[INSNLEN]; |
2972 | int status; | |
2973 | ||
2974 | set_default_mips_dis_options (info); | |
2975 | parse_mips_dis_options (info->disassembler_options); | |
2976 | ||
df58fc94 RS |
2977 | if (info->mach == bfd_mach_mips16) |
2978 | return print_insn_mips16 (memaddr, info); | |
2979 | if (info->mach == bfd_mach_mips_micromips) | |
2980 | return print_insn_micromips (memaddr, info); | |
2981 | ||
2982 | print_insn_compr = !micromips_ase ? print_insn_mips16 : print_insn_micromips; | |
2983 | ||
47b0e7ad | 2984 | #if 1 |
df58fc94 | 2985 | /* FIXME: If odd address, this is CLEARLY a compressed instruction. */ |
47b0e7ad NC |
2986 | /* Only a few tools will work this way. */ |
2987 | if (memaddr & 0x01) | |
df58fc94 | 2988 | return print_insn_compr (memaddr, info); |
47b0e7ad NC |
2989 | #endif |
2990 | ||
2991 | #if SYMTAB_AVAILABLE | |
df58fc94 RS |
2992 | if (is_compressed_mode_p (info)) |
2993 | return print_insn_compr (memaddr, info); | |
47b0e7ad NC |
2994 | #endif |
2995 | ||
2996 | status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info); | |
2997 | if (status == 0) | |
2998 | { | |
fc8c4fd1 | 2999 | int insn; |
47b0e7ad NC |
3000 | |
3001 | if (endianness == BFD_ENDIAN_BIG) | |
fc8c4fd1 | 3002 | insn = bfd_getb32 (buffer); |
47b0e7ad | 3003 | else |
fc8c4fd1 | 3004 | insn = bfd_getl32 (buffer); |
47b0e7ad NC |
3005 | |
3006 | return print_insn_mips (memaddr, insn, info); | |
3007 | } | |
3008 | else | |
3009 | { | |
3010 | (*info->memory_error_func) (status, memaddr, info); | |
3011 | return -1; | |
3012 | } | |
3013 | } | |
3014 | ||
3015 | int | |
3016 | print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info) | |
3017 | { | |
3018 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG); | |
3019 | } | |
3020 | ||
3021 | int | |
3022 | print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info) | |
3023 | { | |
3024 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE); | |
3025 | } | |
3026 | \f | |
640c0ccd | 3027 | void |
47b0e7ad | 3028 | print_mips_disassembler_options (FILE *stream) |
640c0ccd | 3029 | { |
4a9a3c54 | 3030 | unsigned int i; |
640c0ccd CD |
3031 | |
3032 | fprintf (stream, _("\n\ | |
3033 | The following MIPS specific disassembler options are supported for use\n\ | |
3034 | with the -M switch (multiple options should be separated by commas):\n")); | |
3035 | ||
3036 | fprintf (stream, _("\n\ | |
3037 | gpr-names=ABI Print GPR names according to specified ABI.\n\ | |
3038 | Default: based on binary being disassembled.\n")); | |
3039 | ||
3040 | fprintf (stream, _("\n\ | |
3041 | fpr-names=ABI Print FPR names according to specified ABI.\n\ | |
3042 | Default: numeric.\n")); | |
3043 | ||
3044 | fprintf (stream, _("\n\ | |
3045 | cp0-names=ARCH Print CP0 register names according to\n\ | |
3046 | specified architecture.\n\ | |
3047 | Default: based on binary being disassembled.\n")); | |
3048 | ||
af7ee8bf CD |
3049 | fprintf (stream, _("\n\ |
3050 | hwr-names=ARCH Print HWR names according to specified \n\ | |
3051 | architecture.\n\ | |
3052 | Default: based on binary being disassembled.\n")); | |
3053 | ||
640c0ccd CD |
3054 | fprintf (stream, _("\n\ |
3055 | reg-names=ABI Print GPR and FPR names according to\n\ | |
3056 | specified ABI.\n")); | |
3057 | ||
3058 | fprintf (stream, _("\n\ | |
af7ee8bf | 3059 | reg-names=ARCH Print CP0 register and HWR names according to\n\ |
640c0ccd CD |
3060 | specified architecture.\n")); |
3061 | ||
3062 | fprintf (stream, _("\n\ | |
3063 | For the options above, the following values are supported for \"ABI\":\n\ | |
3064 | ")); | |
4a9a3c54 | 3065 | for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++) |
640c0ccd CD |
3066 | fprintf (stream, " %s", mips_abi_choices[i].name); |
3067 | fprintf (stream, _("\n")); | |
3068 | ||
3069 | fprintf (stream, _("\n\ | |
3070 | For the options above, The following values are supported for \"ARCH\":\n\ | |
3071 | ")); | |
4a9a3c54 | 3072 | for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++) |
640c0ccd CD |
3073 | if (*mips_arch_choices[i].name != '\0') |
3074 | fprintf (stream, " %s", mips_arch_choices[i].name); | |
3075 | fprintf (stream, _("\n")); | |
3076 | ||
3077 | fprintf (stream, _("\n")); | |
3078 | } |