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, |
aa820537 | 3 | 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009 |
73da6b6b | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp). |
6 | ||
9b201bb5 | 7 | This file is part of the GNU opcodes library. |
252b5132 | 8 | |
9b201bb5 | 9 | This library is free software; you can redistribute it and/or modify |
47b0e7ad | 10 | it under the terms of the GNU General Public License as published by |
9b201bb5 NC |
11 | the Free Software Foundation; either version 3, or (at your option) |
12 | any later version. | |
252b5132 | 13 | |
9b201bb5 NC |
14 | It is distributed in the hope that it will be useful, but WITHOUT |
15 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
16 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
17 | License for more details. | |
252b5132 | 18 | |
47b0e7ad NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
22 | MA 02110-1301, USA. */ | |
252b5132 | 23 | |
252b5132 RH |
24 | #include "sysdep.h" |
25 | #include "dis-asm.h" | |
640c0ccd | 26 | #include "libiberty.h" |
252b5132 RH |
27 | #include "opcode/mips.h" |
28 | #include "opintl.h" | |
29 | ||
30 | /* FIXME: These are needed to figure out if the code is mips16 or | |
31 | not. The low bit of the address is often a good indicator. No | |
32 | symbol table is available when this code runs out in an embedded | |
7f6621cd | 33 | system as when it is used for disassembler support in a monitor. */ |
252b5132 RH |
34 | |
35 | #if !defined(EMBEDDED_ENV) | |
36 | #define SYMTAB_AVAILABLE 1 | |
37 | #include "elf-bfd.h" | |
38 | #include "elf/mips.h" | |
39 | #endif | |
40 | ||
aa5f19f2 NC |
41 | /* Mips instructions are at maximum this many bytes long. */ |
42 | #define INSNLEN 4 | |
43 | ||
252b5132 | 44 | \f |
aa5f19f2 | 45 | /* FIXME: These should be shared with gdb somehow. */ |
252b5132 | 46 | |
47b0e7ad NC |
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 | ||
47b0e7ad NC |
236 | static const char * const mips_cp0_names_mips3264[32] = |
237 | { | |
640c0ccd CD |
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_status", "c0_cause", "c0_epc", "c0_prid", | |
242 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
243 | "c0_xcontext", "$21", "$22", "c0_debug", | |
244 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
245 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
246 | }; | |
247 | ||
47b0e7ad NC |
248 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264[] = |
249 | { | |
bbcc0807 CD |
250 | { 16, 1, "c0_config1" }, |
251 | { 16, 2, "c0_config2" }, | |
252 | { 16, 3, "c0_config3" }, | |
253 | { 18, 1, "c0_watchlo,1" }, | |
254 | { 18, 2, "c0_watchlo,2" }, | |
255 | { 18, 3, "c0_watchlo,3" }, | |
256 | { 18, 4, "c0_watchlo,4" }, | |
257 | { 18, 5, "c0_watchlo,5" }, | |
258 | { 18, 6, "c0_watchlo,6" }, | |
259 | { 18, 7, "c0_watchlo,7" }, | |
260 | { 19, 1, "c0_watchhi,1" }, | |
261 | { 19, 2, "c0_watchhi,2" }, | |
262 | { 19, 3, "c0_watchhi,3" }, | |
263 | { 19, 4, "c0_watchhi,4" }, | |
264 | { 19, 5, "c0_watchhi,5" }, | |
265 | { 19, 6, "c0_watchhi,6" }, | |
266 | { 19, 7, "c0_watchhi,7" }, | |
267 | { 25, 1, "c0_perfcnt,1" }, | |
268 | { 25, 2, "c0_perfcnt,2" }, | |
269 | { 25, 3, "c0_perfcnt,3" }, | |
270 | { 25, 4, "c0_perfcnt,4" }, | |
271 | { 25, 5, "c0_perfcnt,5" }, | |
272 | { 25, 6, "c0_perfcnt,6" }, | |
273 | { 25, 7, "c0_perfcnt,7" }, | |
274 | { 27, 1, "c0_cacheerr,1" }, | |
275 | { 27, 2, "c0_cacheerr,2" }, | |
276 | { 27, 3, "c0_cacheerr,3" }, | |
277 | { 28, 1, "c0_datalo" }, | |
278 | { 29, 1, "c0_datahi" } | |
279 | }; | |
280 | ||
47b0e7ad NC |
281 | static const char * const mips_cp0_names_mips3264r2[32] = |
282 | { | |
af7ee8bf CD |
283 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
284 | "c0_context", "c0_pagemask", "c0_wired", "c0_hwrena", | |
285 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
286 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
287 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
288 | "c0_xcontext", "$21", "$22", "c0_debug", | |
289 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr", | |
290 | "c0_taglo", "c0_taghi", "c0_errorepc", "c0_desave", | |
291 | }; | |
292 | ||
47b0e7ad NC |
293 | static const struct mips_cp0sel_name mips_cp0sel_names_mips3264r2[] = |
294 | { | |
bbcc0807 | 295 | { 4, 1, "c0_contextconfig" }, |
59c455b3 TS |
296 | { 0, 1, "c0_mvpcontrol" }, |
297 | { 0, 2, "c0_mvpconf0" }, | |
298 | { 0, 3, "c0_mvpconf1" }, | |
299 | { 1, 1, "c0_vpecontrol" }, | |
300 | { 1, 2, "c0_vpeconf0" }, | |
301 | { 1, 3, "c0_vpeconf1" }, | |
302 | { 1, 4, "c0_yqmask" }, | |
303 | { 1, 5, "c0_vpeschedule" }, | |
304 | { 1, 6, "c0_vpeschefback" }, | |
305 | { 2, 1, "c0_tcstatus" }, | |
306 | { 2, 2, "c0_tcbind" }, | |
307 | { 2, 3, "c0_tcrestart" }, | |
308 | { 2, 4, "c0_tchalt" }, | |
309 | { 2, 5, "c0_tccontext" }, | |
310 | { 2, 6, "c0_tcschedule" }, | |
311 | { 2, 7, "c0_tcschefback" }, | |
bbcc0807 | 312 | { 5, 1, "c0_pagegrain" }, |
59c455b3 TS |
313 | { 6, 1, "c0_srsconf0" }, |
314 | { 6, 2, "c0_srsconf1" }, | |
315 | { 6, 3, "c0_srsconf2" }, | |
316 | { 6, 4, "c0_srsconf3" }, | |
317 | { 6, 5, "c0_srsconf4" }, | |
bbcc0807 CD |
318 | { 12, 1, "c0_intctl" }, |
319 | { 12, 2, "c0_srsctl" }, | |
320 | { 12, 3, "c0_srsmap" }, | |
321 | { 15, 1, "c0_ebase" }, | |
322 | { 16, 1, "c0_config1" }, | |
323 | { 16, 2, "c0_config2" }, | |
324 | { 16, 3, "c0_config3" }, | |
325 | { 18, 1, "c0_watchlo,1" }, | |
326 | { 18, 2, "c0_watchlo,2" }, | |
327 | { 18, 3, "c0_watchlo,3" }, | |
328 | { 18, 4, "c0_watchlo,4" }, | |
329 | { 18, 5, "c0_watchlo,5" }, | |
330 | { 18, 6, "c0_watchlo,6" }, | |
331 | { 18, 7, "c0_watchlo,7" }, | |
332 | { 19, 1, "c0_watchhi,1" }, | |
333 | { 19, 2, "c0_watchhi,2" }, | |
334 | { 19, 3, "c0_watchhi,3" }, | |
335 | { 19, 4, "c0_watchhi,4" }, | |
336 | { 19, 5, "c0_watchhi,5" }, | |
337 | { 19, 6, "c0_watchhi,6" }, | |
338 | { 19, 7, "c0_watchhi,7" }, | |
339 | { 23, 1, "c0_tracecontrol" }, | |
340 | { 23, 2, "c0_tracecontrol2" }, | |
341 | { 23, 3, "c0_usertracedata" }, | |
342 | { 23, 4, "c0_tracebpc" }, | |
343 | { 25, 1, "c0_perfcnt,1" }, | |
344 | { 25, 2, "c0_perfcnt,2" }, | |
345 | { 25, 3, "c0_perfcnt,3" }, | |
346 | { 25, 4, "c0_perfcnt,4" }, | |
347 | { 25, 5, "c0_perfcnt,5" }, | |
348 | { 25, 6, "c0_perfcnt,6" }, | |
349 | { 25, 7, "c0_perfcnt,7" }, | |
350 | { 27, 1, "c0_cacheerr,1" }, | |
351 | { 27, 2, "c0_cacheerr,2" }, | |
352 | { 27, 3, "c0_cacheerr,3" }, | |
353 | { 28, 1, "c0_datalo" }, | |
354 | { 28, 2, "c0_taglo1" }, | |
355 | { 28, 3, "c0_datalo1" }, | |
356 | { 28, 4, "c0_taglo2" }, | |
357 | { 28, 5, "c0_datalo2" }, | |
358 | { 28, 6, "c0_taglo3" }, | |
359 | { 28, 7, "c0_datalo3" }, | |
360 | { 29, 1, "c0_datahi" }, | |
361 | { 29, 2, "c0_taghi1" }, | |
362 | { 29, 3, "c0_datahi1" }, | |
363 | { 29, 4, "c0_taghi2" }, | |
364 | { 29, 5, "c0_datahi2" }, | |
365 | { 29, 6, "c0_taghi3" }, | |
366 | { 29, 7, "c0_datahi3" }, | |
367 | }; | |
368 | ||
640c0ccd | 369 | /* SB-1: MIPS64 (mips_cp0_names_mips3264) with minor mods. */ |
47b0e7ad NC |
370 | static const char * const mips_cp0_names_sb1[32] = |
371 | { | |
640c0ccd CD |
372 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", |
373 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
374 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
375 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
376 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
377 | "c0_xcontext", "$21", "$22", "c0_debug", | |
378 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
379 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
380 | }; | |
381 | ||
47b0e7ad NC |
382 | static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] = |
383 | { | |
bbcc0807 CD |
384 | { 16, 1, "c0_config1" }, |
385 | { 18, 1, "c0_watchlo,1" }, | |
386 | { 19, 1, "c0_watchhi,1" }, | |
387 | { 22, 0, "c0_perftrace" }, | |
388 | { 23, 3, "c0_edebug" }, | |
389 | { 25, 1, "c0_perfcnt,1" }, | |
390 | { 25, 2, "c0_perfcnt,2" }, | |
391 | { 25, 3, "c0_perfcnt,3" }, | |
392 | { 25, 4, "c0_perfcnt,4" }, | |
393 | { 25, 5, "c0_perfcnt,5" }, | |
394 | { 25, 6, "c0_perfcnt,6" }, | |
395 | { 25, 7, "c0_perfcnt,7" }, | |
396 | { 26, 1, "c0_buserr_pa" }, | |
397 | { 27, 1, "c0_cacheerr_d" }, | |
398 | { 27, 3, "c0_cacheerr_d_pa" }, | |
399 | { 28, 1, "c0_datalo_i" }, | |
400 | { 28, 2, "c0_taglo_d" }, | |
401 | { 28, 3, "c0_datalo_d" }, | |
402 | { 29, 1, "c0_datahi_i" }, | |
403 | { 29, 2, "c0_taghi_d" }, | |
404 | { 29, 3, "c0_datahi_d" }, | |
405 | }; | |
406 | ||
52b6b6b9 JM |
407 | /* Xlr cop0 register names. */ |
408 | static const char * const mips_cp0_names_xlr[32] = { | |
409 | "c0_index", "c0_random", "c0_entrylo0", "c0_entrylo1", | |
410 | "c0_context", "c0_pagemask", "c0_wired", "$7", | |
411 | "c0_badvaddr", "c0_count", "c0_entryhi", "c0_compare", | |
412 | "c0_status", "c0_cause", "c0_epc", "c0_prid", | |
413 | "c0_config", "c0_lladdr", "c0_watchlo", "c0_watchhi", | |
414 | "c0_xcontext", "$21", "$22", "c0_debug", | |
415 | "c0_depc", "c0_perfcnt", "c0_errctl", "c0_cacheerr_i", | |
416 | "c0_taglo_i", "c0_taghi_i", "c0_errorepc", "c0_desave", | |
417 | }; | |
418 | ||
419 | /* XLR's CP0 Select Registers. */ | |
420 | ||
421 | static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = { | |
422 | { 9, 6, "c0_extintreq" }, | |
423 | { 9, 7, "c0_extintmask" }, | |
424 | { 15, 1, "c0_ebase" }, | |
425 | { 16, 1, "c0_config1" }, | |
426 | { 16, 2, "c0_config2" }, | |
427 | { 16, 3, "c0_config3" }, | |
428 | { 16, 7, "c0_procid2" }, | |
429 | { 18, 1, "c0_watchlo,1" }, | |
430 | { 18, 2, "c0_watchlo,2" }, | |
431 | { 18, 3, "c0_watchlo,3" }, | |
432 | { 18, 4, "c0_watchlo,4" }, | |
433 | { 18, 5, "c0_watchlo,5" }, | |
434 | { 18, 6, "c0_watchlo,6" }, | |
435 | { 18, 7, "c0_watchlo,7" }, | |
436 | { 19, 1, "c0_watchhi,1" }, | |
437 | { 19, 2, "c0_watchhi,2" }, | |
438 | { 19, 3, "c0_watchhi,3" }, | |
439 | { 19, 4, "c0_watchhi,4" }, | |
440 | { 19, 5, "c0_watchhi,5" }, | |
441 | { 19, 6, "c0_watchhi,6" }, | |
442 | { 19, 7, "c0_watchhi,7" }, | |
443 | { 25, 1, "c0_perfcnt,1" }, | |
444 | { 25, 2, "c0_perfcnt,2" }, | |
445 | { 25, 3, "c0_perfcnt,3" }, | |
446 | { 25, 4, "c0_perfcnt,4" }, | |
447 | { 25, 5, "c0_perfcnt,5" }, | |
448 | { 25, 6, "c0_perfcnt,6" }, | |
449 | { 25, 7, "c0_perfcnt,7" }, | |
450 | { 27, 1, "c0_cacheerr,1" }, | |
451 | { 27, 2, "c0_cacheerr,2" }, | |
452 | { 27, 3, "c0_cacheerr,3" }, | |
453 | { 28, 1, "c0_datalo" }, | |
454 | { 29, 1, "c0_datahi" } | |
455 | }; | |
456 | ||
47b0e7ad NC |
457 | static const char * const mips_hwr_names_numeric[32] = |
458 | { | |
af7ee8bf CD |
459 | "$0", "$1", "$2", "$3", "$4", "$5", "$6", "$7", |
460 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
461 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
462 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
463 | }; | |
464 | ||
47b0e7ad NC |
465 | static const char * const mips_hwr_names_mips3264r2[32] = |
466 | { | |
af7ee8bf CD |
467 | "hwr_cpunum", "hwr_synci_step", "hwr_cc", "hwr_ccres", |
468 | "$4", "$5", "$6", "$7", | |
469 | "$8", "$9", "$10", "$11", "$12", "$13", "$14", "$15", | |
470 | "$16", "$17", "$18", "$19", "$20", "$21", "$22", "$23", | |
471 | "$24", "$25", "$26", "$27", "$28", "$29", "$30", "$31" | |
472 | }; | |
473 | ||
47b0e7ad NC |
474 | struct mips_abi_choice |
475 | { | |
476 | const char * name; | |
640c0ccd CD |
477 | const char * const *gpr_names; |
478 | const char * const *fpr_names; | |
479 | }; | |
480 | ||
47b0e7ad NC |
481 | struct mips_abi_choice mips_abi_choices[] = |
482 | { | |
640c0ccd CD |
483 | { "numeric", mips_gpr_names_numeric, mips_fpr_names_numeric }, |
484 | { "32", mips_gpr_names_oldabi, mips_fpr_names_32 }, | |
485 | { "n32", mips_gpr_names_newabi, mips_fpr_names_n32 }, | |
486 | { "64", mips_gpr_names_newabi, mips_fpr_names_64 }, | |
487 | }; | |
488 | ||
47b0e7ad NC |
489 | struct mips_arch_choice |
490 | { | |
640c0ccd CD |
491 | const char *name; |
492 | int bfd_mach_valid; | |
493 | unsigned long bfd_mach; | |
494 | int processor; | |
495 | int isa; | |
496 | const char * const *cp0_names; | |
bbcc0807 CD |
497 | const struct mips_cp0sel_name *cp0sel_names; |
498 | unsigned int cp0sel_names_len; | |
af7ee8bf | 499 | const char * const *hwr_names; |
640c0ccd CD |
500 | }; |
501 | ||
47b0e7ad NC |
502 | const struct mips_arch_choice mips_arch_choices[] = |
503 | { | |
640c0ccd | 504 | { "numeric", 0, 0, 0, 0, |
bbcc0807 CD |
505 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
506 | ||
640c0ccd | 507 | { "r3000", 1, bfd_mach_mips3000, CPU_R3000, ISA_MIPS1, |
f409fd1e | 508 | mips_cp0_names_r3000, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 509 | { "r3900", 1, bfd_mach_mips3900, CPU_R3900, ISA_MIPS1, |
bbcc0807 | 510 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 511 | { "r4000", 1, bfd_mach_mips4000, CPU_R4000, ISA_MIPS3, |
f409fd1e | 512 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 513 | { "r4010", 1, bfd_mach_mips4010, CPU_R4010, ISA_MIPS2, |
bbcc0807 | 514 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 515 | { "vr4100", 1, bfd_mach_mips4100, CPU_VR4100, ISA_MIPS3, |
bbcc0807 | 516 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 517 | { "vr4111", 1, bfd_mach_mips4111, CPU_R4111, ISA_MIPS3, |
bbcc0807 | 518 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 519 | { "vr4120", 1, bfd_mach_mips4120, CPU_VR4120, ISA_MIPS3, |
bbcc0807 | 520 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 521 | { "r4300", 1, bfd_mach_mips4300, CPU_R4300, ISA_MIPS3, |
bbcc0807 | 522 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 523 | { "r4400", 1, bfd_mach_mips4400, CPU_R4400, ISA_MIPS3, |
f409fd1e | 524 | mips_cp0_names_r4000, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 525 | { "r4600", 1, bfd_mach_mips4600, CPU_R4600, ISA_MIPS3, |
bbcc0807 | 526 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 527 | { "r4650", 1, bfd_mach_mips4650, CPU_R4650, ISA_MIPS3, |
bbcc0807 | 528 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 529 | { "r5000", 1, bfd_mach_mips5000, CPU_R5000, ISA_MIPS4, |
bbcc0807 | 530 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 531 | { "vr5400", 1, bfd_mach_mips5400, CPU_VR5400, ISA_MIPS4, |
bbcc0807 | 532 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 533 | { "vr5500", 1, bfd_mach_mips5500, CPU_VR5500, ISA_MIPS4, |
bbcc0807 | 534 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 535 | { "r6000", 1, bfd_mach_mips6000, CPU_R6000, ISA_MIPS2, |
bbcc0807 | 536 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
5a7ea749 RS |
537 | { "rm7000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, |
538 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
539 | { "rm9000", 1, bfd_mach_mips7000, CPU_RM7000, ISA_MIPS4, | |
540 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
640c0ccd | 541 | { "r8000", 1, bfd_mach_mips8000, CPU_R8000, ISA_MIPS4, |
bbcc0807 | 542 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 543 | { "r10000", 1, bfd_mach_mips10000, CPU_R10000, ISA_MIPS4, |
bbcc0807 | 544 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd | 545 | { "r12000", 1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4, |
bbcc0807 | 546 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
3aa3176b TS |
547 | { "r14000", 1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4, |
548 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
549 | { "r16000", 1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4, | |
550 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, | |
640c0ccd | 551 | { "mips5", 1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5, |
bbcc0807 CD |
552 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
553 | ||
640c0ccd CD |
554 | /* For stock MIPS32, disassemble all applicable MIPS-specified ASEs. |
555 | Note that MIPS-3D and MDMX are not applicable to MIPS32. (See | |
556 | _MIPS32 Architecture For Programmers Volume I: Introduction to the | |
557 | MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95), | |
558 | page 1. */ | |
559 | { "mips32", 1, bfd_mach_mipsisa32, CPU_MIPS32, | |
f79e2745 | 560 | ISA_MIPS32 | INSN_SMARTMIPS, |
bbcc0807 CD |
561 | mips_cp0_names_mips3264, |
562 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
563 | mips_hwr_names_numeric }, | |
564 | ||
af7ee8bf | 565 | { "mips32r2", 1, bfd_mach_mipsisa32r2, CPU_MIPS32R2, |
f79e2745 | 566 | (ISA_MIPS32R2 | INSN_SMARTMIPS | INSN_DSP | INSN_DSPR2 |
8b082fb1 | 567 | | INSN_MIPS3D | INSN_MT), |
bbcc0807 CD |
568 | mips_cp0_names_mips3264r2, |
569 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
570 | mips_hwr_names_mips3264r2 }, | |
571 | ||
640c0ccd CD |
572 | /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs. */ |
573 | { "mips64", 1, bfd_mach_mipsisa64, CPU_MIPS64, | |
f79e2745 | 574 | ISA_MIPS64 | INSN_MIPS3D | INSN_MDMX, |
bbcc0807 CD |
575 | mips_cp0_names_mips3264, |
576 | mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264), | |
577 | mips_hwr_names_numeric }, | |
578 | ||
5f74bc13 | 579 | { "mips64r2", 1, bfd_mach_mipsisa64r2, CPU_MIPS64R2, |
f79e2745 | 580 | (ISA_MIPS64R2 | INSN_MIPS3D | INSN_DSP | INSN_DSPR2 |
8b082fb1 | 581 | | INSN_DSP64 | INSN_MT | INSN_MDMX), |
5f74bc13 CD |
582 | mips_cp0_names_mips3264r2, |
583 | mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2), | |
584 | mips_hwr_names_mips3264r2 }, | |
585 | ||
640c0ccd CD |
586 | { "sb1", 1, bfd_mach_mips_sb1, CPU_SB1, |
587 | ISA_MIPS64 | INSN_MIPS3D | INSN_SB1, | |
bbcc0807 CD |
588 | mips_cp0_names_sb1, |
589 | mips_cp0sel_names_sb1, ARRAY_SIZE (mips_cp0sel_names_sb1), | |
590 | mips_hwr_names_numeric }, | |
640c0ccd | 591 | |
350cc38d MS |
592 | { "loongson2e", 1, bfd_mach_mips_loongson_2e, CPU_LOONGSON_2E, |
593 | ISA_MIPS3 | INSN_LOONGSON_2E, mips_cp0_names_numeric, | |
594 | NULL, 0, mips_hwr_names_numeric }, | |
595 | ||
596 | { "loongson2f", 1, bfd_mach_mips_loongson_2f, CPU_LOONGSON_2F, | |
597 | ISA_MIPS3 | INSN_LOONGSON_2F, mips_cp0_names_numeric, | |
598 | NULL, 0, mips_hwr_names_numeric }, | |
599 | ||
fd503541 NC |
600 | { "loongson3a", 1, bfd_mach_mips_loongson_3a, CPU_LOONGSON_3A, |
601 | ISA_MIPS64 | INSN_LOONGSON_3A, mips_cp0_names_numeric, | |
602 | NULL, 0, mips_hwr_names_numeric }, | |
603 | ||
57b592a3 AN |
604 | { "octeon", 1, bfd_mach_mips_octeon, CPU_OCTEON, |
605 | ISA_MIPS64R2 | INSN_OCTEON, mips_cp0_names_numeric, NULL, 0, | |
606 | mips_hwr_names_numeric }, | |
607 | ||
52b6b6b9 JM |
608 | { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR, |
609 | ISA_MIPS64 | INSN_XLR, | |
610 | mips_cp0_names_xlr, | |
611 | mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr), | |
612 | mips_hwr_names_numeric }, | |
613 | ||
640c0ccd CD |
614 | /* This entry, mips16, is here only for ISA/processor selection; do |
615 | not print its name. */ | |
f79e2745 | 616 | { "", 1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3, |
bbcc0807 | 617 | mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric }, |
640c0ccd CD |
618 | }; |
619 | ||
620 | /* ISA and processor type to disassemble for, and register names to use. | |
621 | set_default_mips_dis_options and parse_mips_dis_options fill in these | |
622 | values. */ | |
623 | static int mips_processor; | |
624 | static int mips_isa; | |
df58fc94 | 625 | static int micromips_ase; |
640c0ccd CD |
626 | static const char * const *mips_gpr_names; |
627 | static const char * const *mips_fpr_names; | |
628 | static const char * const *mips_cp0_names; | |
bbcc0807 CD |
629 | static const struct mips_cp0sel_name *mips_cp0sel_names; |
630 | static int mips_cp0sel_names_len; | |
af7ee8bf | 631 | static const char * const *mips_hwr_names; |
640c0ccd | 632 | |
986e18a5 | 633 | /* Other options */ |
47b0e7ad | 634 | static int no_aliases; /* If set disassemble as most general inst. */ |
640c0ccd CD |
635 | \f |
636 | static const struct mips_abi_choice * | |
47b0e7ad | 637 | choose_abi_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
638 | { |
639 | const struct mips_abi_choice *c; | |
640 | unsigned int i; | |
641 | ||
642 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_abi_choices) && c == NULL; i++) | |
47b0e7ad NC |
643 | if (strncmp (mips_abi_choices[i].name, name, namelen) == 0 |
644 | && strlen (mips_abi_choices[i].name) == namelen) | |
645 | c = &mips_abi_choices[i]; | |
646 | ||
640c0ccd CD |
647 | return c; |
648 | } | |
649 | ||
650 | static const struct mips_arch_choice * | |
47b0e7ad | 651 | choose_arch_by_name (const char *name, unsigned int namelen) |
640c0ccd CD |
652 | { |
653 | const struct mips_arch_choice *c = NULL; | |
654 | unsigned int i; | |
655 | ||
656 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
47b0e7ad NC |
657 | if (strncmp (mips_arch_choices[i].name, name, namelen) == 0 |
658 | && strlen (mips_arch_choices[i].name) == namelen) | |
659 | c = &mips_arch_choices[i]; | |
660 | ||
640c0ccd CD |
661 | return c; |
662 | } | |
663 | ||
664 | static const struct mips_arch_choice * | |
47b0e7ad | 665 | choose_arch_by_number (unsigned long mach) |
640c0ccd CD |
666 | { |
667 | static unsigned long hint_bfd_mach; | |
668 | static const struct mips_arch_choice *hint_arch_choice; | |
669 | const struct mips_arch_choice *c; | |
670 | unsigned int i; | |
671 | ||
672 | /* We optimize this because even if the user specifies no | |
673 | flags, this will be done for every instruction! */ | |
674 | if (hint_bfd_mach == mach | |
675 | && hint_arch_choice != NULL | |
676 | && hint_arch_choice->bfd_mach == hint_bfd_mach) | |
677 | return hint_arch_choice; | |
678 | ||
679 | for (i = 0, c = NULL; i < ARRAY_SIZE (mips_arch_choices) && c == NULL; i++) | |
680 | { | |
681 | if (mips_arch_choices[i].bfd_mach_valid | |
682 | && mips_arch_choices[i].bfd_mach == mach) | |
683 | { | |
684 | c = &mips_arch_choices[i]; | |
685 | hint_bfd_mach = mach; | |
686 | hint_arch_choice = c; | |
687 | } | |
688 | } | |
689 | return c; | |
690 | } | |
691 | ||
47b0e7ad NC |
692 | /* Check if the object uses NewABI conventions. */ |
693 | ||
694 | static int | |
695 | is_newabi (Elf_Internal_Ehdr *header) | |
696 | { | |
697 | /* There are no old-style ABIs which use 64-bit ELF. */ | |
698 | if (header->e_ident[EI_CLASS] == ELFCLASS64) | |
699 | return 1; | |
700 | ||
701 | /* If a 32-bit ELF file, n32 is a new-style ABI. */ | |
702 | if ((header->e_flags & EF_MIPS_ABI2) != 0) | |
703 | return 1; | |
704 | ||
705 | return 0; | |
706 | } | |
707 | ||
df58fc94 RS |
708 | /* Check if the object has microMIPS ASE code. */ |
709 | ||
710 | static int | |
711 | is_micromips (Elf_Internal_Ehdr *header) | |
712 | { | |
713 | if ((header->e_flags & EF_MIPS_ARCH_ASE_MICROMIPS) != 0) | |
714 | return 1; | |
715 | ||
716 | return 0; | |
717 | } | |
718 | ||
47b0e7ad NC |
719 | static void |
720 | set_default_mips_dis_options (struct disassemble_info *info) | |
640c0ccd CD |
721 | { |
722 | const struct mips_arch_choice *chosen_arch; | |
723 | ||
df58fc94 RS |
724 | /* Defaults: mipsIII/r3000 (?!), no microMIPS ASE (any compressed code |
725 | is MIPS16 ASE) (o)32-style ("oldabi") GPR names, and numeric FPR, | |
726 | CP0 register, and HWR names. */ | |
640c0ccd | 727 | mips_isa = ISA_MIPS3; |
df58fc94 RS |
728 | mips_processor = CPU_R3000; |
729 | micromips_ase = 0; | |
640c0ccd CD |
730 | mips_gpr_names = mips_gpr_names_oldabi; |
731 | mips_fpr_names = mips_fpr_names_numeric; | |
732 | mips_cp0_names = mips_cp0_names_numeric; | |
bbcc0807 CD |
733 | mips_cp0sel_names = NULL; |
734 | mips_cp0sel_names_len = 0; | |
af7ee8bf | 735 | mips_hwr_names = mips_hwr_names_numeric; |
986e18a5 | 736 | no_aliases = 0; |
640c0ccd | 737 | |
df58fc94 | 738 | /* Update settings according to the ELF file header flags. */ |
fec06546 | 739 | if (info->flavour == bfd_target_elf_flavour && info->section != NULL) |
640c0ccd CD |
740 | { |
741 | Elf_Internal_Ehdr *header; | |
742 | ||
fec06546 | 743 | header = elf_elfheader (info->section->owner); |
df58fc94 | 744 | /* If an ELF "newabi" binary, use the n32/(n)64 GPR names. */ |
640c0ccd CD |
745 | if (is_newabi (header)) |
746 | mips_gpr_names = mips_gpr_names_newabi; | |
df58fc94 RS |
747 | /* If a microMIPS binary, then don't use MIPS16 bindings. */ |
748 | micromips_ase = is_micromips (header); | |
640c0ccd CD |
749 | } |
750 | ||
751 | /* Set ISA, architecture, and cp0 register names as best we can. */ | |
752 | #if ! SYMTAB_AVAILABLE | |
753 | /* This is running out on a target machine, not in a host tool. | |
754 | FIXME: Where does mips_target_info come from? */ | |
755 | target_processor = mips_target_info.processor; | |
756 | mips_isa = mips_target_info.isa; | |
757 | #else | |
758 | chosen_arch = choose_arch_by_number (info->mach); | |
759 | if (chosen_arch != NULL) | |
760 | { | |
761 | mips_processor = chosen_arch->processor; | |
762 | mips_isa = chosen_arch->isa; | |
bbcc0807 CD |
763 | mips_cp0_names = chosen_arch->cp0_names; |
764 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
765 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
766 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
767 | } |
768 | #endif | |
769 | } | |
770 | ||
47b0e7ad NC |
771 | static void |
772 | parse_mips_dis_option (const char *option, unsigned int len) | |
640c0ccd CD |
773 | { |
774 | unsigned int i, optionlen, vallen; | |
775 | const char *val; | |
776 | const struct mips_abi_choice *chosen_abi; | |
777 | const struct mips_arch_choice *chosen_arch; | |
778 | ||
986e18a5 | 779 | /* Try to match options that are simple flags */ |
0112cd26 | 780 | if (CONST_STRNEQ (option, "no-aliases")) |
986e18a5 FF |
781 | { |
782 | no_aliases = 1; | |
783 | return; | |
784 | } | |
785 | ||
640c0ccd CD |
786 | /* Look for the = that delimits the end of the option name. */ |
787 | for (i = 0; i < len; i++) | |
47b0e7ad NC |
788 | if (option[i] == '=') |
789 | break; | |
790 | ||
640c0ccd CD |
791 | if (i == 0) /* Invalid option: no name before '='. */ |
792 | return; | |
793 | if (i == len) /* Invalid option: no '='. */ | |
794 | return; | |
795 | if (i == (len - 1)) /* Invalid option: no value after '='. */ | |
796 | return; | |
797 | ||
798 | optionlen = i; | |
799 | val = option + (optionlen + 1); | |
800 | vallen = len - (optionlen + 1); | |
801 | ||
47b0e7ad NC |
802 | if (strncmp ("gpr-names", option, optionlen) == 0 |
803 | && strlen ("gpr-names") == optionlen) | |
640c0ccd CD |
804 | { |
805 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 806 | if (chosen_abi != NULL) |
640c0ccd CD |
807 | mips_gpr_names = chosen_abi->gpr_names; |
808 | return; | |
809 | } | |
810 | ||
47b0e7ad NC |
811 | if (strncmp ("fpr-names", option, optionlen) == 0 |
812 | && strlen ("fpr-names") == optionlen) | |
640c0ccd CD |
813 | { |
814 | chosen_abi = choose_abi_by_name (val, vallen); | |
bbcc0807 | 815 | if (chosen_abi != NULL) |
640c0ccd CD |
816 | mips_fpr_names = chosen_abi->fpr_names; |
817 | return; | |
818 | } | |
819 | ||
47b0e7ad NC |
820 | if (strncmp ("cp0-names", option, optionlen) == 0 |
821 | && strlen ("cp0-names") == optionlen) | |
640c0ccd CD |
822 | { |
823 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 CD |
824 | if (chosen_arch != NULL) |
825 | { | |
826 | mips_cp0_names = chosen_arch->cp0_names; | |
827 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
828 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
829 | } | |
640c0ccd CD |
830 | return; |
831 | } | |
832 | ||
47b0e7ad NC |
833 | if (strncmp ("hwr-names", option, optionlen) == 0 |
834 | && strlen ("hwr-names") == optionlen) | |
af7ee8bf CD |
835 | { |
836 | chosen_arch = choose_arch_by_name (val, vallen); | |
bbcc0807 | 837 | if (chosen_arch != NULL) |
af7ee8bf CD |
838 | mips_hwr_names = chosen_arch->hwr_names; |
839 | return; | |
840 | } | |
841 | ||
47b0e7ad NC |
842 | if (strncmp ("reg-names", option, optionlen) == 0 |
843 | && strlen ("reg-names") == optionlen) | |
640c0ccd CD |
844 | { |
845 | /* We check both ABI and ARCH here unconditionally, so | |
846 | that "numeric" will do the desirable thing: select | |
847 | numeric register names for all registers. Other than | |
848 | that, a given name probably won't match both. */ | |
849 | chosen_abi = choose_abi_by_name (val, vallen); | |
850 | if (chosen_abi != NULL) | |
851 | { | |
bbcc0807 CD |
852 | mips_gpr_names = chosen_abi->gpr_names; |
853 | mips_fpr_names = chosen_abi->fpr_names; | |
640c0ccd CD |
854 | } |
855 | chosen_arch = choose_arch_by_name (val, vallen); | |
856 | if (chosen_arch != NULL) | |
857 | { | |
bbcc0807 CD |
858 | mips_cp0_names = chosen_arch->cp0_names; |
859 | mips_cp0sel_names = chosen_arch->cp0sel_names; | |
860 | mips_cp0sel_names_len = chosen_arch->cp0sel_names_len; | |
861 | mips_hwr_names = chosen_arch->hwr_names; | |
640c0ccd CD |
862 | } |
863 | return; | |
864 | } | |
865 | ||
866 | /* Invalid option. */ | |
867 | } | |
868 | ||
47b0e7ad NC |
869 | static void |
870 | parse_mips_dis_options (const char *options) | |
640c0ccd CD |
871 | { |
872 | const char *option_end; | |
873 | ||
874 | if (options == NULL) | |
875 | return; | |
876 | ||
877 | while (*options != '\0') | |
878 | { | |
879 | /* Skip empty options. */ | |
880 | if (*options == ',') | |
881 | { | |
882 | options++; | |
883 | continue; | |
884 | } | |
885 | ||
886 | /* We know that *options is neither NUL or a comma. */ | |
887 | option_end = options + 1; | |
888 | while (*option_end != ',' && *option_end != '\0') | |
889 | option_end++; | |
890 | ||
891 | parse_mips_dis_option (options, option_end - options); | |
892 | ||
893 | /* Go on to the next one. If option_end points to a comma, it | |
894 | will be skipped above. */ | |
895 | options = option_end; | |
896 | } | |
897 | } | |
898 | ||
bbcc0807 | 899 | static const struct mips_cp0sel_name * |
47b0e7ad NC |
900 | lookup_mips_cp0sel_name (const struct mips_cp0sel_name *names, |
901 | unsigned int len, | |
902 | unsigned int cp0reg, | |
903 | unsigned int sel) | |
bbcc0807 CD |
904 | { |
905 | unsigned int i; | |
906 | ||
907 | for (i = 0; i < len; i++) | |
908 | if (names[i].cp0reg == cp0reg && names[i].sel == sel) | |
909 | return &names[i]; | |
910 | return NULL; | |
911 | } | |
252b5132 | 912 | \f |
7f6621cd | 913 | /* Print insn arguments for 32/64-bit code. */ |
aa5f19f2 | 914 | |
794ac9d0 | 915 | static void |
47b0e7ad NC |
916 | print_insn_args (const char *d, |
917 | register unsigned long int l, | |
918 | bfd_vma pc, | |
cc0ca239 TS |
919 | struct disassemble_info *info, |
920 | const struct mips_opcode *opp) | |
252b5132 | 921 | { |
794ac9d0 | 922 | int op, delta; |
440cc0bc CD |
923 | unsigned int lsb, msb, msbd; |
924 | ||
925 | lsb = 0; | |
252b5132 | 926 | |
794ac9d0 | 927 | for (; *d != '\0'; d++) |
252b5132 | 928 | { |
af7ee8bf CD |
929 | switch (*d) |
930 | { | |
794ac9d0 CD |
931 | case ',': |
932 | case '(': | |
933 | case ')': | |
934 | case '[': | |
935 | case ']': | |
936 | (*info->fprintf_func) (info->stream, "%c", *d); | |
937 | break; | |
938 | ||
939 | case '+': | |
940 | /* Extension character; switch for second char. */ | |
941 | d++; | |
942 | switch (*d) | |
943 | { | |
944 | case '\0': | |
945 | /* xgettext:c-format */ | |
946 | (*info->fprintf_func) (info->stream, | |
947 | _("# internal error, incomplete extension sequence (+)")); | |
948 | return; | |
949 | ||
950 | case 'A': | |
440cc0bc CD |
951 | lsb = (l >> OP_SH_SHAMT) & OP_MASK_SHAMT; |
952 | (*info->fprintf_func) (info->stream, "0x%x", lsb); | |
794ac9d0 CD |
953 | break; |
954 | ||
955 | case 'B': | |
440cc0bc CD |
956 | msb = (l >> OP_SH_INSMSB) & OP_MASK_INSMSB; |
957 | (*info->fprintf_func) (info->stream, "0x%x", msb - lsb + 1); | |
794ac9d0 CD |
958 | break; |
959 | ||
9bcd4f99 TS |
960 | case '1': |
961 | (*info->fprintf_func) (info->stream, "0x%lx", | |
962 | (l >> OP_SH_UDI1) & OP_MASK_UDI1); | |
963 | break; | |
964 | ||
965 | case '2': | |
966 | (*info->fprintf_func) (info->stream, "0x%lx", | |
967 | (l >> OP_SH_UDI2) & OP_MASK_UDI2); | |
968 | break; | |
969 | ||
970 | case '3': | |
971 | (*info->fprintf_func) (info->stream, "0x%lx", | |
972 | (l >> OP_SH_UDI3) & OP_MASK_UDI3); | |
973 | break; | |
974 | ||
975 | case '4': | |
976 | (*info->fprintf_func) (info->stream, "0x%lx", | |
977 | (l >> OP_SH_UDI4) & OP_MASK_UDI4); | |
978 | break; | |
979 | ||
794ac9d0 | 980 | case 'C': |
5f74bc13 | 981 | case 'H': |
440cc0bc CD |
982 | msbd = (l >> OP_SH_EXTMSBD) & OP_MASK_EXTMSBD; |
983 | (*info->fprintf_func) (info->stream, "0x%x", msbd + 1); | |
794ac9d0 CD |
984 | break; |
985 | ||
986 | case 'D': | |
987 | { | |
988 | const struct mips_cp0sel_name *n; | |
989 | unsigned int cp0reg, sel; | |
990 | ||
991 | cp0reg = (l >> OP_SH_RD) & OP_MASK_RD; | |
992 | sel = (l >> OP_SH_SEL) & OP_MASK_SEL; | |
993 | ||
994 | /* CP0 register including 'sel' code for mtcN (et al.), to be | |
995 | printed textually if known. If not known, print both | |
996 | CP0 register name and sel numerically since CP0 register | |
997 | with sel 0 may have a name unrelated to register being | |
998 | printed. */ | |
999 | n = lookup_mips_cp0sel_name(mips_cp0sel_names, | |
1000 | mips_cp0sel_names_len, cp0reg, sel); | |
1001 | if (n != NULL) | |
1002 | (*info->fprintf_func) (info->stream, "%s", n->name); | |
1003 | else | |
1004 | (*info->fprintf_func) (info->stream, "$%d,%d", cp0reg, sel); | |
1005 | break; | |
1006 | } | |
1007 | ||
5f74bc13 CD |
1008 | case 'E': |
1009 | lsb = ((l >> OP_SH_SHAMT) & OP_MASK_SHAMT) + 32; | |
1010 | (*info->fprintf_func) (info->stream, "0x%x", lsb); | |
1011 | break; | |
1012 | ||
1013 | case 'F': | |
1014 | msb = ((l >> OP_SH_INSMSB) & OP_MASK_INSMSB) + 32; | |
1015 | (*info->fprintf_func) (info->stream, "0x%x", msb - lsb + 1); | |
1016 | break; | |
1017 | ||
1018 | case 'G': | |
1019 | msbd = ((l >> OP_SH_EXTMSBD) & OP_MASK_EXTMSBD) + 32; | |
1020 | (*info->fprintf_func) (info->stream, "0x%x", msbd + 1); | |
1021 | break; | |
1022 | ||
61cc0267 CF |
1023 | case 't': /* Coprocessor 0 reg name */ |
1024 | (*info->fprintf_func) (info->stream, "%s", | |
1025 | mips_cp0_names[(l >> OP_SH_RT) & | |
1026 | OP_MASK_RT]); | |
1027 | break; | |
1028 | ||
1029 | case 'T': /* Coprocessor 0 reg name */ | |
1030 | { | |
1031 | const struct mips_cp0sel_name *n; | |
1032 | unsigned int cp0reg, sel; | |
1033 | ||
1034 | cp0reg = (l >> OP_SH_RT) & OP_MASK_RT; | |
1035 | sel = (l >> OP_SH_SEL) & OP_MASK_SEL; | |
1036 | ||
1037 | /* CP0 register including 'sel' code for mftc0, to be | |
1038 | printed textually if known. If not known, print both | |
1039 | CP0 register name and sel numerically since CP0 register | |
1040 | with sel 0 may have a name unrelated to register being | |
1041 | printed. */ | |
1042 | n = lookup_mips_cp0sel_name(mips_cp0sel_names, | |
1043 | mips_cp0sel_names_len, cp0reg, sel); | |
1044 | if (n != NULL) | |
1045 | (*info->fprintf_func) (info->stream, "%s", n->name); | |
1046 | else | |
1047 | (*info->fprintf_func) (info->stream, "$%d,%d", cp0reg, sel); | |
1048 | break; | |
1049 | } | |
1050 | ||
bb35fb24 NC |
1051 | case 'x': /* bbit bit index */ |
1052 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1053 | (l >> OP_SH_BBITIND) & OP_MASK_BBITIND); | |
1054 | break; | |
1055 | ||
1056 | case 'p': /* cins, cins32, exts and exts32 position */ | |
1057 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1058 | (l >> OP_SH_CINSPOS) & OP_MASK_CINSPOS); | |
1059 | break; | |
1060 | ||
1061 | case 's': /* cins and exts length-minus-one */ | |
1062 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1063 | (l >> OP_SH_CINSLM1) & OP_MASK_CINSLM1); | |
1064 | break; | |
1065 | ||
1066 | case 'S': /* cins32 and exts32 length-minus-one field */ | |
1067 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1068 | (l >> OP_SH_CINSLM1) & OP_MASK_CINSLM1); | |
1069 | break; | |
1070 | ||
dd3cbb7e NC |
1071 | case 'Q': /* seqi/snei immediate field */ |
1072 | op = (l >> OP_SH_SEQI) & OP_MASK_SEQI; | |
1073 | /* Sign-extend it. */ | |
1074 | op = (op ^ 512) - 512; | |
1075 | (*info->fprintf_func) (info->stream, "%d", op); | |
1076 | break; | |
1077 | ||
98675402 RS |
1078 | case 'a': /* 8-bit signed offset in bit 6 */ |
1079 | delta = (l >> OP_SH_OFFSET_A) & OP_MASK_OFFSET_A; | |
1080 | if (delta & 0x80) | |
1081 | delta |= ~OP_MASK_OFFSET_A; | |
1082 | (*info->fprintf_func) (info->stream, "%d", delta); | |
1083 | break; | |
1084 | ||
1085 | case 'b': /* 8-bit signed offset in bit 3 */ | |
1086 | delta = (l >> OP_SH_OFFSET_B) & OP_MASK_OFFSET_B; | |
1087 | if (delta & 0x80) | |
1088 | delta |= ~OP_MASK_OFFSET_B; | |
1089 | (*info->fprintf_func) (info->stream, "%d", delta); | |
1090 | break; | |
1091 | ||
1092 | case 'c': /* 9-bit signed offset in bit 6 */ | |
1093 | delta = (l >> OP_SH_OFFSET_C) & OP_MASK_OFFSET_C; | |
1094 | if (delta & 0x100) | |
1095 | delta |= ~OP_MASK_OFFSET_C; | |
c95354ed MX |
1096 | /* Left shift 4 bits to print the real offset. */ |
1097 | (*info->fprintf_func) (info->stream, "%d", delta << 4); | |
98675402 RS |
1098 | break; |
1099 | ||
1100 | case 'z': | |
1101 | (*info->fprintf_func) (info->stream, "%s", | |
1102 | mips_gpr_names[(l >> OP_SH_RZ) & OP_MASK_RZ]); | |
1103 | break; | |
1104 | ||
1105 | case 'Z': | |
1106 | (*info->fprintf_func) (info->stream, "%s", | |
1107 | mips_fpr_names[(l >> OP_SH_FZ) & OP_MASK_FZ]); | |
1108 | break; | |
1109 | ||
794ac9d0 CD |
1110 | default: |
1111 | /* xgettext:c-format */ | |
1112 | (*info->fprintf_func) (info->stream, | |
1113 | _("# internal error, undefined extension sequence (+%c)"), | |
1114 | *d); | |
1115 | return; | |
1116 | } | |
1117 | break; | |
1118 | ||
8b082fb1 TS |
1119 | case '2': |
1120 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1121 | (l >> OP_SH_BP) & OP_MASK_BP); | |
1122 | break; | |
1123 | ||
fd25c5a9 CF |
1124 | case '3': |
1125 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1126 | (l >> OP_SH_SA3) & OP_MASK_SA3); | |
1127 | break; | |
1128 | ||
1129 | case '4': | |
1130 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1131 | (l >> OP_SH_SA4) & OP_MASK_SA4); | |
1132 | break; | |
1133 | ||
1134 | case '5': | |
1135 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1136 | (l >> OP_SH_IMM8) & OP_MASK_IMM8); | |
1137 | break; | |
1138 | ||
1139 | case '6': | |
1140 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1141 | (l >> OP_SH_RS) & OP_MASK_RS); | |
1142 | break; | |
1143 | ||
1144 | case '7': | |
1145 | (*info->fprintf_func) (info->stream, "$ac%ld", | |
1146 | (l >> OP_SH_DSPACC) & OP_MASK_DSPACC); | |
1147 | break; | |
1148 | ||
1149 | case '8': | |
1150 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1151 | (l >> OP_SH_WRDSP) & OP_MASK_WRDSP); | |
1152 | break; | |
1153 | ||
1154 | case '9': | |
1155 | (*info->fprintf_func) (info->stream, "$ac%ld", | |
1156 | (l >> OP_SH_DSPACC_S) & OP_MASK_DSPACC_S); | |
1157 | break; | |
1158 | ||
1159 | case '0': /* dsp 6-bit signed immediate in bit 20 */ | |
1160 | delta = ((l >> OP_SH_DSPSFT) & OP_MASK_DSPSFT); | |
1161 | if (delta & 0x20) /* test sign bit */ | |
1162 | delta |= ~OP_MASK_DSPSFT; | |
1163 | (*info->fprintf_func) (info->stream, "%d", delta); | |
1164 | break; | |
1165 | ||
1166 | case ':': /* dsp 7-bit signed immediate in bit 19 */ | |
1167 | delta = ((l >> OP_SH_DSPSFT_7) & OP_MASK_DSPSFT_7); | |
1168 | if (delta & 0x40) /* test sign bit */ | |
1169 | delta |= ~OP_MASK_DSPSFT_7; | |
1170 | (*info->fprintf_func) (info->stream, "%d", delta); | |
1171 | break; | |
1172 | ||
1173 | case '\'': | |
1174 | (*info->fprintf_func) (info->stream, "0x%lx", | |
1175 | (l >> OP_SH_RDDSP) & OP_MASK_RDDSP); | |
1176 | break; | |
1177 | ||
1178 | case '@': /* dsp 10-bit signed immediate in bit 16 */ | |
1179 | delta = ((l >> OP_SH_IMM10) & OP_MASK_IMM10); | |
1180 | if (delta & 0x200) /* test sign bit */ | |
1181 | delta |= ~OP_MASK_IMM10; | |
1182 | (*info->fprintf_func) (info->stream, "%d", delta); | |
1183 | break; | |
1184 | ||
61cc0267 CF |
1185 | case '!': |
1186 | (*info->fprintf_func) (info->stream, "%ld", | |
1187 | (l >> OP_SH_MT_U) & OP_MASK_MT_U); | |
1188 | break; | |
1189 | ||
1190 | case '$': | |
1191 | (*info->fprintf_func) (info->stream, "%ld", | |
1192 | (l >> OP_SH_MT_H) & OP_MASK_MT_H); | |
1193 | break; | |
1194 | ||
1195 | case '*': | |
1196 | (*info->fprintf_func) (info->stream, "$ac%ld", | |
1197 | (l >> OP_SH_MTACC_T) & OP_MASK_MTACC_T); | |
1198 | break; | |
1199 | ||
1200 | case '&': | |
1201 | (*info->fprintf_func) (info->stream, "$ac%ld", | |
1202 | (l >> OP_SH_MTACC_D) & OP_MASK_MTACC_D); | |
1203 | break; | |
1204 | ||
1205 | case 'g': | |
1206 | /* Coprocessor register for CTTC1, MTTC2, MTHC2, CTTC2. */ | |
1207 | (*info->fprintf_func) (info->stream, "$%ld", | |
1208 | (l >> OP_SH_RD) & OP_MASK_RD); | |
1209 | break; | |
1210 | ||
794ac9d0 CD |
1211 | case 's': |
1212 | case 'b': | |
1213 | case 'r': | |
1214 | case 'v': | |
1215 | (*info->fprintf_func) (info->stream, "%s", | |
1216 | mips_gpr_names[(l >> OP_SH_RS) & OP_MASK_RS]); | |
1217 | break; | |
1218 | ||
1219 | case 't': | |
1220 | case 'w': | |
1221 | (*info->fprintf_func) (info->stream, "%s", | |
1222 | mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]); | |
1223 | break; | |
1224 | ||
1225 | case 'i': | |
1226 | case 'u': | |
0fd3a477 | 1227 | (*info->fprintf_func) (info->stream, "0x%lx", |
794ac9d0 CD |
1228 | (l >> OP_SH_IMMEDIATE) & OP_MASK_IMMEDIATE); |
1229 | break; | |
1230 | ||
1231 | case 'j': /* Same as i, but sign-extended. */ | |
1232 | case 'o': | |
1233 | delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA; | |
1234 | if (delta & 0x8000) | |
1235 | delta |= ~0xffff; | |
1236 | (*info->fprintf_func) (info->stream, "%d", | |
1237 | delta); | |
1238 | break; | |
1239 | ||
1240 | case 'h': | |
1241 | (*info->fprintf_func) (info->stream, "0x%x", | |
1242 | (unsigned int) ((l >> OP_SH_PREFX) | |
1243 | & OP_MASK_PREFX)); | |
1244 | break; | |
1245 | ||
1246 | case 'k': | |
1247 | (*info->fprintf_func) (info->stream, "0x%x", | |
1248 | (unsigned int) ((l >> OP_SH_CACHE) | |
1249 | & OP_MASK_CACHE)); | |
1250 | break; | |
1251 | ||
1252 | case 'a': | |
1253 | info->target = (((pc + 4) & ~(bfd_vma) 0x0fffffff) | |
1254 | | (((l >> OP_SH_TARGET) & OP_MASK_TARGET) << 2)); | |
022fac6d TS |
1255 | /* For gdb disassembler, force odd address on jalx. */ |
1256 | if (info->flavour == bfd_target_unknown_flavour | |
1257 | && strcmp (opp->name, "jalx") == 0) | |
1258 | info->target |= 1; | |
794ac9d0 CD |
1259 | (*info->print_address_func) (info->target, info); |
1260 | break; | |
1261 | ||
1262 | case 'p': | |
1263 | /* Sign extend the displacement. */ | |
1264 | delta = (l >> OP_SH_DELTA) & OP_MASK_DELTA; | |
1265 | if (delta & 0x8000) | |
1266 | delta |= ~0xffff; | |
1267 | info->target = (delta << 2) + pc + INSNLEN; | |
1268 | (*info->print_address_func) (info->target, info); | |
1269 | break; | |
1270 | ||
1271 | case 'd': | |
1272 | (*info->fprintf_func) (info->stream, "%s", | |
1273 | mips_gpr_names[(l >> OP_SH_RD) & OP_MASK_RD]); | |
1274 | break; | |
1275 | ||
1276 | case 'U': | |
1277 | { | |
1278 | /* First check for both rd and rt being equal. */ | |
1279 | unsigned int reg = (l >> OP_SH_RD) & OP_MASK_RD; | |
1280 | if (reg == ((l >> OP_SH_RT) & OP_MASK_RT)) | |
1281 | (*info->fprintf_func) (info->stream, "%s", | |
1282 | mips_gpr_names[reg]); | |
1283 | else | |
1284 | { | |
1285 | /* If one is zero use the other. */ | |
1286 | if (reg == 0) | |
1287 | (*info->fprintf_func) (info->stream, "%s", | |
1288 | mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]); | |
1289 | else if (((l >> OP_SH_RT) & OP_MASK_RT) == 0) | |
1290 | (*info->fprintf_func) (info->stream, "%s", | |
1291 | mips_gpr_names[reg]); | |
1292 | else /* Bogus, result depends on processor. */ | |
1293 | (*info->fprintf_func) (info->stream, "%s or %s", | |
1294 | mips_gpr_names[reg], | |
1295 | mips_gpr_names[(l >> OP_SH_RT) & OP_MASK_RT]); | |
1296 | } | |
1297 | } | |
1298 | break; | |
1299 | ||
1300 | case 'z': | |
1301 | (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]); | |
1302 | break; | |
1303 | ||
1304 | case '<': | |
4dc48ef6 | 1305 | case '1': |
0fd3a477 | 1306 | (*info->fprintf_func) (info->stream, "0x%lx", |
af7ee8bf CD |
1307 | (l >> OP_SH_SHAMT) & OP_MASK_SHAMT); |
1308 | break; | |
794ac9d0 CD |
1309 | |
1310 | case 'c': | |
0fd3a477 | 1311 | (*info->fprintf_func) (info->stream, "0x%lx", |
794ac9d0 CD |
1312 | (l >> OP_SH_CODE) & OP_MASK_CODE); |
1313 | break; | |
1314 | ||
1315 | case 'q': | |
0fd3a477 | 1316 | (*info->fprintf_func) (info->stream, "0x%lx", |
794ac9d0 | 1317 | (l >> OP_SH_CODE2) & OP_MASK_CODE2); |
af7ee8bf CD |
1318 | break; |
1319 | ||
1320 | case 'C': | |
0fd3a477 | 1321 | (*info->fprintf_func) (info->stream, "0x%lx", |
794ac9d0 CD |
1322 | (l >> OP_SH_COPZ) & OP_MASK_COPZ); |
1323 | break; | |
1324 | ||
1325 | case 'B': | |
0fd3a477 JW |
1326 | (*info->fprintf_func) (info->stream, "0x%lx", |
1327 | ||
794ac9d0 CD |
1328 | (l >> OP_SH_CODE20) & OP_MASK_CODE20); |
1329 | break; | |
1330 | ||
1331 | case 'J': | |
0fd3a477 | 1332 | (*info->fprintf_func) (info->stream, "0x%lx", |
794ac9d0 CD |
1333 | (l >> OP_SH_CODE19) & OP_MASK_CODE19); |
1334 | break; | |
1335 | ||
1336 | case 'S': | |
1337 | case 'V': | |
1338 | (*info->fprintf_func) (info->stream, "%s", | |
1339 | mips_fpr_names[(l >> OP_SH_FS) & OP_MASK_FS]); | |
1340 | break; | |
1341 | ||
1342 | case 'T': | |
1343 | case 'W': | |
1344 | (*info->fprintf_func) (info->stream, "%s", | |
1345 | mips_fpr_names[(l >> OP_SH_FT) & OP_MASK_FT]); | |
af7ee8bf CD |
1346 | break; |
1347 | ||
bbcc0807 | 1348 | case 'D': |
794ac9d0 CD |
1349 | (*info->fprintf_func) (info->stream, "%s", |
1350 | mips_fpr_names[(l >> OP_SH_FD) & OP_MASK_FD]); | |
1351 | break; | |
1352 | ||
1353 | case 'R': | |
1354 | (*info->fprintf_func) (info->stream, "%s", | |
1355 | mips_fpr_names[(l >> OP_SH_FR) & OP_MASK_FR]); | |
1356 | break; | |
1357 | ||
1358 | case 'E': | |
1359 | /* Coprocessor register for lwcN instructions, et al. | |
1360 | ||
1361 | Note that there is no load/store cp0 instructions, and | |
1362 | that FPU (cp1) instructions disassemble this field using | |
1363 | 'T' format. Therefore, until we gain understanding of | |
1364 | cp2 register names, we can simply print the register | |
1365 | numbers. */ | |
0fd3a477 | 1366 | (*info->fprintf_func) (info->stream, "$%ld", |
794ac9d0 CD |
1367 | (l >> OP_SH_RT) & OP_MASK_RT); |
1368 | break; | |
1369 | ||
1370 | case 'G': | |
1371 | /* Coprocessor register for mtcN instructions, et al. Note | |
1372 | that FPU (cp1) instructions disassemble this field using | |
1373 | 'S' format. Therefore, we only need to worry about cp0, | |
1374 | cp2, and cp3. */ | |
1375 | op = (l >> OP_SH_OP) & OP_MASK_OP; | |
1376 | if (op == OP_OP_COP0) | |
1377 | (*info->fprintf_func) (info->stream, "%s", | |
1378 | mips_cp0_names[(l >> OP_SH_RD) & OP_MASK_RD]); | |
1379 | else | |
0fd3a477 | 1380 | (*info->fprintf_func) (info->stream, "$%ld", |
794ac9d0 CD |
1381 | (l >> OP_SH_RD) & OP_MASK_RD); |
1382 | break; | |
1383 | ||
1384 | case 'K': | |
1385 | (*info->fprintf_func) (info->stream, "%s", | |
1386 | mips_hwr_names[(l >> OP_SH_RD) & OP_MASK_RD]); | |
1387 | break; | |
1388 | ||
1389 | case 'N': | |
0d09bfe6 TS |
1390 | (*info->fprintf_func) (info->stream, |
1391 | ((opp->pinfo & (FP_D | FP_S)) != 0 | |
1392 | ? "$fcc%ld" : "$cc%ld"), | |
794ac9d0 CD |
1393 | (l >> OP_SH_BCC) & OP_MASK_BCC); |
1394 | break; | |
1395 | ||
1396 | case 'M': | |
0fd3a477 | 1397 | (*info->fprintf_func) (info->stream, "$fcc%ld", |
794ac9d0 CD |
1398 | (l >> OP_SH_CCC) & OP_MASK_CCC); |
1399 | break; | |
1400 | ||
1401 | case 'P': | |
0fd3a477 | 1402 | (*info->fprintf_func) (info->stream, "%ld", |
794ac9d0 CD |
1403 | (l >> OP_SH_PERFREG) & OP_MASK_PERFREG); |
1404 | break; | |
1405 | ||
1406 | case 'e': | |
0fd3a477 | 1407 | (*info->fprintf_func) (info->stream, "%ld", |
794ac9d0 CD |
1408 | (l >> OP_SH_VECBYTE) & OP_MASK_VECBYTE); |
1409 | break; | |
1410 | ||
1411 | case '%': | |
0fd3a477 | 1412 | (*info->fprintf_func) (info->stream, "%ld", |
794ac9d0 CD |
1413 | (l >> OP_SH_VECALIGN) & OP_MASK_VECALIGN); |
1414 | break; | |
1415 | ||
1416 | case 'H': | |
0fd3a477 | 1417 | (*info->fprintf_func) (info->stream, "%ld", |
794ac9d0 CD |
1418 | (l >> OP_SH_SEL) & OP_MASK_SEL); |
1419 | break; | |
1420 | ||
1421 | case 'O': | |
0fd3a477 | 1422 | (*info->fprintf_func) (info->stream, "%ld", |
794ac9d0 CD |
1423 | (l >> OP_SH_ALN) & OP_MASK_ALN); |
1424 | break; | |
1425 | ||
1426 | case 'Q': | |
bbcc0807 | 1427 | { |
794ac9d0 | 1428 | unsigned int vsel = (l >> OP_SH_VSEL) & OP_MASK_VSEL; |
47b0e7ad | 1429 | |
794ac9d0 CD |
1430 | if ((vsel & 0x10) == 0) |
1431 | { | |
1432 | int fmt; | |
47b0e7ad | 1433 | |
794ac9d0 CD |
1434 | vsel &= 0x0f; |
1435 | for (fmt = 0; fmt < 3; fmt++, vsel >>= 1) | |
1436 | if ((vsel & 1) == 0) | |
1437 | break; | |
0fd3a477 | 1438 | (*info->fprintf_func) (info->stream, "$v%ld[%d]", |
794ac9d0 CD |
1439 | (l >> OP_SH_FT) & OP_MASK_FT, |
1440 | vsel >> 1); | |
1441 | } | |
1442 | else if ((vsel & 0x08) == 0) | |
1443 | { | |
0fd3a477 | 1444 | (*info->fprintf_func) (info->stream, "$v%ld", |
794ac9d0 CD |
1445 | (l >> OP_SH_FT) & OP_MASK_FT); |
1446 | } | |
bbcc0807 | 1447 | else |
794ac9d0 | 1448 | { |
0fd3a477 | 1449 | (*info->fprintf_func) (info->stream, "0x%lx", |
794ac9d0 CD |
1450 | (l >> OP_SH_FT) & OP_MASK_FT); |
1451 | } | |
bbcc0807 | 1452 | } |
794ac9d0 CD |
1453 | break; |
1454 | ||
1455 | case 'X': | |
0fd3a477 | 1456 | (*info->fprintf_func) (info->stream, "$v%ld", |
794ac9d0 CD |
1457 | (l >> OP_SH_FD) & OP_MASK_FD); |
1458 | break; | |
1459 | ||
1460 | case 'Y': | |
0fd3a477 | 1461 | (*info->fprintf_func) (info->stream, "$v%ld", |
794ac9d0 CD |
1462 | (l >> OP_SH_FS) & OP_MASK_FS); |
1463 | break; | |
1464 | ||
1465 | case 'Z': | |
0fd3a477 | 1466 | (*info->fprintf_func) (info->stream, "$v%ld", |
794ac9d0 CD |
1467 | (l >> OP_SH_FT) & OP_MASK_FT); |
1468 | break; | |
bbcc0807 | 1469 | |
af7ee8bf CD |
1470 | default: |
1471 | /* xgettext:c-format */ | |
1472 | (*info->fprintf_func) (info->stream, | |
168411b1 | 1473 | _("# internal error, undefined modifier (%c)"), |
af7ee8bf | 1474 | *d); |
794ac9d0 | 1475 | return; |
af7ee8bf | 1476 | } |
252b5132 RH |
1477 | } |
1478 | } | |
1479 | \f | |
252b5132 RH |
1480 | /* Print the mips instruction at address MEMADDR in debugged memory, |
1481 | on using INFO. Returns length of the instruction, in bytes, which is | |
aa5f19f2 | 1482 | always INSNLEN. BIGENDIAN must be 1 if this is big-endian code, 0 if |
252b5132 RH |
1483 | this is little-endian code. */ |
1484 | ||
1485 | static int | |
47b0e7ad NC |
1486 | print_insn_mips (bfd_vma memaddr, |
1487 | unsigned long int word, | |
1488 | struct disassemble_info *info) | |
252b5132 | 1489 | { |
47b0e7ad | 1490 | const struct mips_opcode *op; |
b34976b6 | 1491 | static bfd_boolean init = 0; |
252b5132 RH |
1492 | static const struct mips_opcode *mips_hash[OP_MASK_OP + 1]; |
1493 | ||
1494 | /* Build a hash table to shorten the search time. */ | |
1495 | if (! init) | |
1496 | { | |
1497 | unsigned int i; | |
1498 | ||
1499 | for (i = 0; i <= OP_MASK_OP; i++) | |
1500 | { | |
1501 | for (op = mips_opcodes; op < &mips_opcodes[NUMOPCODES]; op++) | |
1502 | { | |
986e18a5 | 1503 | if (op->pinfo == INSN_MACRO |
9e836e3d | 1504 | || (no_aliases && (op->pinfo2 & INSN2_ALIAS))) |
252b5132 RH |
1505 | continue; |
1506 | if (i == ((op->match >> OP_SH_OP) & OP_MASK_OP)) | |
1507 | { | |
1508 | mips_hash[i] = op; | |
1509 | break; | |
1510 | } | |
1511 | } | |
7f6621cd | 1512 | } |
252b5132 RH |
1513 | |
1514 | init = 1; | |
1515 | } | |
1516 | ||
aa5f19f2 | 1517 | info->bytes_per_chunk = INSNLEN; |
252b5132 | 1518 | info->display_endian = info->endian; |
9bb28706 CD |
1519 | info->insn_info_valid = 1; |
1520 | info->branch_delay_insns = 0; | |
def7143b | 1521 | info->data_size = 0; |
9bb28706 CD |
1522 | info->insn_type = dis_nonbranch; |
1523 | info->target = 0; | |
1524 | info->target2 = 0; | |
252b5132 RH |
1525 | |
1526 | op = mips_hash[(word >> OP_SH_OP) & OP_MASK_OP]; | |
1527 | if (op != NULL) | |
1528 | { | |
1529 | for (; op < &mips_opcodes[NUMOPCODES]; op++) | |
1530 | { | |
986e18a5 | 1531 | if (op->pinfo != INSN_MACRO |
9e836e3d | 1532 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) |
986e18a5 | 1533 | && (word & op->mask) == op->match) |
252b5132 | 1534 | { |
47b0e7ad | 1535 | const char *d; |
2bd7f1f3 | 1536 | |
3396de36 | 1537 | /* We always allow to disassemble the jalx instruction. */ |
640c0ccd | 1538 | if (! OPCODE_IS_MEMBER (op, mips_isa, mips_processor) |
3396de36 | 1539 | && strcmp (op->name, "jalx")) |
252b5132 RH |
1540 | continue; |
1541 | ||
9bb28706 CD |
1542 | /* Figure out instruction type and branch delay information. */ |
1543 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) | |
1544 | { | |
c680e7f6 MR |
1545 | if ((op->pinfo & (INSN_WRITE_GPR_31 |
1546 | | INSN_WRITE_GPR_D)) != 0) | |
9bb28706 CD |
1547 | info->insn_type = dis_jsr; |
1548 | else | |
1549 | info->insn_type = dis_branch; | |
1550 | info->branch_delay_insns = 1; | |
1551 | } | |
1552 | else if ((op->pinfo & (INSN_COND_BRANCH_DELAY | |
1553 | | INSN_COND_BRANCH_LIKELY)) != 0) | |
1554 | { | |
c680e7f6 | 1555 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
9bb28706 CD |
1556 | info->insn_type = dis_condjsr; |
1557 | else | |
1558 | info->insn_type = dis_condbranch; | |
1559 | info->branch_delay_insns = 1; | |
1560 | } | |
1561 | else if ((op->pinfo & (INSN_STORE_MEMORY | |
1562 | | INSN_LOAD_MEMORY_DELAY)) != 0) | |
1563 | info->insn_type = dis_dref; | |
1564 | ||
252b5132 RH |
1565 | (*info->fprintf_func) (info->stream, "%s", op->name); |
1566 | ||
1567 | d = op->args; | |
1568 | if (d != NULL && *d != '\0') | |
1569 | { | |
7f6621cd | 1570 | (*info->fprintf_func) (info->stream, "\t"); |
cc0ca239 | 1571 | print_insn_args (d, word, memaddr, info, op); |
252b5132 RH |
1572 | } |
1573 | ||
aa5f19f2 | 1574 | return INSNLEN; |
252b5132 RH |
1575 | } |
1576 | } | |
1577 | } | |
1578 | ||
1579 | /* Handle undefined instructions. */ | |
9bb28706 | 1580 | info->insn_type = dis_noninsn; |
0fd3a477 | 1581 | (*info->fprintf_func) (info->stream, "0x%lx", word); |
aa5f19f2 | 1582 | return INSNLEN; |
252b5132 | 1583 | } |
aa5f19f2 | 1584 | \f |
252b5132 RH |
1585 | /* Disassemble an operand for a mips16 instruction. */ |
1586 | ||
1587 | static void | |
47b0e7ad NC |
1588 | print_mips16_insn_arg (char type, |
1589 | const struct mips_opcode *op, | |
1590 | int l, | |
1591 | bfd_boolean use_extend, | |
1592 | int extend, | |
1593 | bfd_vma memaddr, | |
1594 | struct disassemble_info *info) | |
252b5132 RH |
1595 | { |
1596 | switch (type) | |
1597 | { | |
1598 | case ',': | |
1599 | case '(': | |
1600 | case ')': | |
1601 | (*info->fprintf_func) (info->stream, "%c", type); | |
1602 | break; | |
1603 | ||
1604 | case 'y': | |
1605 | case 'w': | |
aa5f19f2 | 1606 | (*info->fprintf_func) (info->stream, "%s", |
654c225a TS |
1607 | mips16_reg_names(((l >> MIPS16OP_SH_RY) |
1608 | & MIPS16OP_MASK_RY))); | |
252b5132 RH |
1609 | break; |
1610 | ||
1611 | case 'x': | |
1612 | case 'v': | |
aa5f19f2 | 1613 | (*info->fprintf_func) (info->stream, "%s", |
654c225a TS |
1614 | mips16_reg_names(((l >> MIPS16OP_SH_RX) |
1615 | & MIPS16OP_MASK_RX))); | |
252b5132 RH |
1616 | break; |
1617 | ||
1618 | case 'z': | |
aa5f19f2 | 1619 | (*info->fprintf_func) (info->stream, "%s", |
654c225a TS |
1620 | mips16_reg_names(((l >> MIPS16OP_SH_RZ) |
1621 | & MIPS16OP_MASK_RZ))); | |
252b5132 RH |
1622 | break; |
1623 | ||
1624 | case 'Z': | |
aa5f19f2 | 1625 | (*info->fprintf_func) (info->stream, "%s", |
654c225a TS |
1626 | mips16_reg_names(((l >> MIPS16OP_SH_MOVE32Z) |
1627 | & MIPS16OP_MASK_MOVE32Z))); | |
252b5132 RH |
1628 | break; |
1629 | ||
1630 | case '0': | |
640c0ccd | 1631 | (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[0]); |
252b5132 RH |
1632 | break; |
1633 | ||
1634 | case 'S': | |
640c0ccd | 1635 | (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[29]); |
252b5132 RH |
1636 | break; |
1637 | ||
1638 | case 'P': | |
1639 | (*info->fprintf_func) (info->stream, "$pc"); | |
1640 | break; | |
1641 | ||
1642 | case 'R': | |
640c0ccd | 1643 | (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[31]); |
252b5132 RH |
1644 | break; |
1645 | ||
1646 | case 'X': | |
aa5f19f2 | 1647 | (*info->fprintf_func) (info->stream, "%s", |
640c0ccd CD |
1648 | mips_gpr_names[((l >> MIPS16OP_SH_REGR32) |
1649 | & MIPS16OP_MASK_REGR32)]); | |
252b5132 RH |
1650 | break; |
1651 | ||
1652 | case 'Y': | |
aa5f19f2 | 1653 | (*info->fprintf_func) (info->stream, "%s", |
640c0ccd | 1654 | mips_gpr_names[MIPS16OP_EXTRACT_REG32R (l)]); |
252b5132 RH |
1655 | break; |
1656 | ||
1657 | case '<': | |
1658 | case '>': | |
1659 | case '[': | |
1660 | case ']': | |
1661 | case '4': | |
1662 | case '5': | |
1663 | case 'H': | |
1664 | case 'W': | |
1665 | case 'D': | |
1666 | case 'j': | |
1667 | case '6': | |
1668 | case '8': | |
1669 | case 'V': | |
1670 | case 'C': | |
1671 | case 'U': | |
1672 | case 'k': | |
1673 | case 'K': | |
1674 | case 'p': | |
1675 | case 'q': | |
1676 | case 'A': | |
1677 | case 'B': | |
1678 | case 'E': | |
1679 | { | |
1680 | int immed, nbits, shift, signedp, extbits, pcrel, extu, branch; | |
1681 | ||
1682 | shift = 0; | |
1683 | signedp = 0; | |
1684 | extbits = 16; | |
1685 | pcrel = 0; | |
1686 | extu = 0; | |
1687 | branch = 0; | |
1688 | switch (type) | |
1689 | { | |
1690 | case '<': | |
1691 | nbits = 3; | |
1692 | immed = (l >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ; | |
1693 | extbits = 5; | |
1694 | extu = 1; | |
1695 | break; | |
1696 | case '>': | |
1697 | nbits = 3; | |
1698 | immed = (l >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX; | |
1699 | extbits = 5; | |
1700 | extu = 1; | |
1701 | break; | |
1702 | case '[': | |
1703 | nbits = 3; | |
1704 | immed = (l >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ; | |
1705 | extbits = 6; | |
1706 | extu = 1; | |
1707 | break; | |
1708 | case ']': | |
1709 | nbits = 3; | |
1710 | immed = (l >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX; | |
1711 | extbits = 6; | |
1712 | extu = 1; | |
1713 | break; | |
1714 | case '4': | |
1715 | nbits = 4; | |
1716 | immed = (l >> MIPS16OP_SH_IMM4) & MIPS16OP_MASK_IMM4; | |
1717 | signedp = 1; | |
1718 | extbits = 15; | |
1719 | break; | |
1720 | case '5': | |
1721 | nbits = 5; | |
1722 | immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5; | |
1723 | info->insn_type = dis_dref; | |
1724 | info->data_size = 1; | |
1725 | break; | |
1726 | case 'H': | |
1727 | nbits = 5; | |
1728 | shift = 1; | |
1729 | immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5; | |
1730 | info->insn_type = dis_dref; | |
1731 | info->data_size = 2; | |
1732 | break; | |
1733 | case 'W': | |
1734 | nbits = 5; | |
1735 | shift = 2; | |
1736 | immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5; | |
1737 | if ((op->pinfo & MIPS16_INSN_READ_PC) == 0 | |
1738 | && (op->pinfo & MIPS16_INSN_READ_SP) == 0) | |
1739 | { | |
1740 | info->insn_type = dis_dref; | |
1741 | info->data_size = 4; | |
1742 | } | |
1743 | break; | |
1744 | case 'D': | |
1745 | nbits = 5; | |
1746 | shift = 3; | |
1747 | immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5; | |
1748 | info->insn_type = dis_dref; | |
1749 | info->data_size = 8; | |
1750 | break; | |
1751 | case 'j': | |
1752 | nbits = 5; | |
1753 | immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5; | |
1754 | signedp = 1; | |
1755 | break; | |
1756 | case '6': | |
1757 | nbits = 6; | |
1758 | immed = (l >> MIPS16OP_SH_IMM6) & MIPS16OP_MASK_IMM6; | |
1759 | break; | |
1760 | case '8': | |
1761 | nbits = 8; | |
1762 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1763 | break; | |
1764 | case 'V': | |
1765 | nbits = 8; | |
1766 | shift = 2; | |
1767 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1768 | /* FIXME: This might be lw, or it might be addiu to $sp or | |
1769 | $pc. We assume it's load. */ | |
1770 | info->insn_type = dis_dref; | |
1771 | info->data_size = 4; | |
1772 | break; | |
1773 | case 'C': | |
1774 | nbits = 8; | |
1775 | shift = 3; | |
1776 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1777 | info->insn_type = dis_dref; | |
1778 | info->data_size = 8; | |
1779 | break; | |
1780 | case 'U': | |
1781 | nbits = 8; | |
1782 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1783 | extu = 1; | |
1784 | break; | |
1785 | case 'k': | |
1786 | nbits = 8; | |
1787 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1788 | signedp = 1; | |
1789 | break; | |
1790 | case 'K': | |
1791 | nbits = 8; | |
1792 | shift = 3; | |
1793 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1794 | signedp = 1; | |
1795 | break; | |
1796 | case 'p': | |
1797 | nbits = 8; | |
1798 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1799 | signedp = 1; | |
1800 | pcrel = 1; | |
1801 | branch = 1; | |
252b5132 RH |
1802 | break; |
1803 | case 'q': | |
1804 | nbits = 11; | |
1805 | immed = (l >> MIPS16OP_SH_IMM11) & MIPS16OP_MASK_IMM11; | |
1806 | signedp = 1; | |
1807 | pcrel = 1; | |
1808 | branch = 1; | |
252b5132 RH |
1809 | break; |
1810 | case 'A': | |
1811 | nbits = 8; | |
1812 | shift = 2; | |
1813 | immed = (l >> MIPS16OP_SH_IMM8) & MIPS16OP_MASK_IMM8; | |
1814 | pcrel = 1; | |
1815 | /* FIXME: This can be lw or la. We assume it is lw. */ | |
1816 | info->insn_type = dis_dref; | |
1817 | info->data_size = 4; | |
1818 | break; | |
1819 | case 'B': | |
1820 | nbits = 5; | |
1821 | shift = 3; | |
1822 | immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5; | |
1823 | pcrel = 1; | |
1824 | info->insn_type = dis_dref; | |
1825 | info->data_size = 8; | |
1826 | break; | |
1827 | case 'E': | |
1828 | nbits = 5; | |
1829 | shift = 2; | |
1830 | immed = (l >> MIPS16OP_SH_IMM5) & MIPS16OP_MASK_IMM5; | |
1831 | pcrel = 1; | |
1832 | break; | |
1833 | default: | |
1834 | abort (); | |
1835 | } | |
1836 | ||
1837 | if (! use_extend) | |
1838 | { | |
1839 | if (signedp && immed >= (1 << (nbits - 1))) | |
1840 | immed -= 1 << nbits; | |
1841 | immed <<= shift; | |
1842 | if ((type == '<' || type == '>' || type == '[' || type == ']') | |
1843 | && immed == 0) | |
1844 | immed = 8; | |
1845 | } | |
1846 | else | |
1847 | { | |
1848 | if (extbits == 16) | |
1849 | immed |= ((extend & 0x1f) << 11) | (extend & 0x7e0); | |
1850 | else if (extbits == 15) | |
1851 | immed |= ((extend & 0xf) << 11) | (extend & 0x7f0); | |
1852 | else | |
1853 | immed = ((extend >> 6) & 0x1f) | (extend & 0x20); | |
1854 | immed &= (1 << extbits) - 1; | |
1855 | if (! extu && immed >= (1 << (extbits - 1))) | |
1856 | immed -= 1 << extbits; | |
1857 | } | |
1858 | ||
1859 | if (! pcrel) | |
1860 | (*info->fprintf_func) (info->stream, "%d", immed); | |
1861 | else | |
1862 | { | |
1863 | bfd_vma baseaddr; | |
252b5132 RH |
1864 | |
1865 | if (branch) | |
1866 | { | |
1867 | immed *= 2; | |
1868 | baseaddr = memaddr + 2; | |
1869 | } | |
1870 | else if (use_extend) | |
1871 | baseaddr = memaddr - 2; | |
1872 | else | |
1873 | { | |
1874 | int status; | |
1875 | bfd_byte buffer[2]; | |
1876 | ||
1877 | baseaddr = memaddr; | |
1878 | ||
1879 | /* If this instruction is in the delay slot of a jr | |
1880 | instruction, the base address is the address of the | |
1881 | jr instruction. If it is in the delay slot of jalr | |
1882 | instruction, the base address is the address of the | |
1883 | jalr instruction. This test is unreliable: we have | |
1884 | no way of knowing whether the previous word is | |
1885 | instruction or data. */ | |
1886 | status = (*info->read_memory_func) (memaddr - 4, buffer, 2, | |
1887 | info); | |
1888 | if (status == 0 | |
1889 | && (((info->endian == BFD_ENDIAN_BIG | |
1890 | ? bfd_getb16 (buffer) | |
1891 | : bfd_getl16 (buffer)) | |
1892 | & 0xf800) == 0x1800)) | |
1893 | baseaddr = memaddr - 4; | |
1894 | else | |
1895 | { | |
1896 | status = (*info->read_memory_func) (memaddr - 2, buffer, | |
1897 | 2, info); | |
1898 | if (status == 0 | |
1899 | && (((info->endian == BFD_ENDIAN_BIG | |
1900 | ? bfd_getb16 (buffer) | |
1901 | : bfd_getl16 (buffer)) | |
1902 | & 0xf81f) == 0xe800)) | |
1903 | baseaddr = memaddr - 2; | |
1904 | } | |
1905 | } | |
9bb28706 | 1906 | info->target = (baseaddr & ~((1 << shift) - 1)) + immed; |
022fac6d TS |
1907 | if (pcrel && branch |
1908 | && info->flavour == bfd_target_unknown_flavour) | |
1909 | /* For gdb disassembler, maintain odd address. */ | |
1910 | info->target |= 1; | |
9bb28706 | 1911 | (*info->print_address_func) (info->target, info); |
252b5132 RH |
1912 | } |
1913 | } | |
1914 | break; | |
1915 | ||
1916 | case 'a': | |
022fac6d TS |
1917 | { |
1918 | int jalx = l & 0x400; | |
1919 | ||
1920 | if (! use_extend) | |
1921 | extend = 0; | |
1922 | l = ((l & 0x1f) << 23) | ((l & 0x3e0) << 13) | (extend << 2); | |
1923 | if (!jalx && info->flavour == bfd_target_unknown_flavour) | |
1924 | /* For gdb disassembler, maintain odd address. */ | |
1925 | l |= 1; | |
1926 | } | |
9bb28706 CD |
1927 | info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l; |
1928 | (*info->print_address_func) (info->target, info); | |
252b5132 RH |
1929 | break; |
1930 | ||
1931 | case 'l': | |
1932 | case 'L': | |
1933 | { | |
1934 | int need_comma, amask, smask; | |
1935 | ||
1936 | need_comma = 0; | |
1937 | ||
1938 | l = (l >> MIPS16OP_SH_IMM6) & MIPS16OP_MASK_IMM6; | |
1939 | ||
1940 | amask = (l >> 3) & 7; | |
1941 | ||
1942 | if (amask > 0 && amask < 5) | |
1943 | { | |
640c0ccd | 1944 | (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[4]); |
252b5132 | 1945 | if (amask > 1) |
aa5f19f2 | 1946 | (*info->fprintf_func) (info->stream, "-%s", |
640c0ccd | 1947 | mips_gpr_names[amask + 3]); |
252b5132 RH |
1948 | need_comma = 1; |
1949 | } | |
1950 | ||
1951 | smask = (l >> 1) & 3; | |
1952 | if (smask == 3) | |
1953 | { | |
1954 | (*info->fprintf_func) (info->stream, "%s??", | |
1955 | need_comma ? "," : ""); | |
1956 | need_comma = 1; | |
1957 | } | |
1958 | else if (smask > 0) | |
1959 | { | |
aa5f19f2 | 1960 | (*info->fprintf_func) (info->stream, "%s%s", |
252b5132 | 1961 | need_comma ? "," : "", |
640c0ccd | 1962 | mips_gpr_names[16]); |
252b5132 | 1963 | if (smask > 1) |
aa5f19f2 | 1964 | (*info->fprintf_func) (info->stream, "-%s", |
640c0ccd | 1965 | mips_gpr_names[smask + 15]); |
252b5132 RH |
1966 | need_comma = 1; |
1967 | } | |
1968 | ||
1969 | if (l & 1) | |
1970 | { | |
aa5f19f2 | 1971 | (*info->fprintf_func) (info->stream, "%s%s", |
252b5132 | 1972 | need_comma ? "," : "", |
640c0ccd | 1973 | mips_gpr_names[31]); |
252b5132 RH |
1974 | need_comma = 1; |
1975 | } | |
1976 | ||
1977 | if (amask == 5 || amask == 6) | |
1978 | { | |
1979 | (*info->fprintf_func) (info->stream, "%s$f0", | |
1980 | need_comma ? "," : ""); | |
1981 | if (amask == 6) | |
1982 | (*info->fprintf_func) (info->stream, "-$f1"); | |
1983 | } | |
1984 | } | |
1985 | break; | |
1986 | ||
0499d65b TS |
1987 | case 'm': |
1988 | case 'M': | |
1989 | /* MIPS16e save/restore. */ | |
1990 | { | |
1991 | int need_comma = 0; | |
1992 | int amask, args, statics; | |
1993 | int nsreg, smask; | |
1994 | int framesz; | |
1995 | int i, j; | |
1996 | ||
1997 | l = l & 0x7f; | |
1998 | if (use_extend) | |
1999 | l |= extend << 16; | |
2000 | ||
2001 | amask = (l >> 16) & 0xf; | |
2002 | if (amask == MIPS16_ALL_ARGS) | |
2003 | { | |
2004 | args = 4; | |
2005 | statics = 0; | |
2006 | } | |
2007 | else if (amask == MIPS16_ALL_STATICS) | |
2008 | { | |
2009 | args = 0; | |
2010 | statics = 4; | |
2011 | } | |
2012 | else | |
2013 | { | |
2014 | args = amask >> 2; | |
2015 | statics = amask & 3; | |
2016 | } | |
2017 | ||
2018 | if (args > 0) { | |
2019 | (*info->fprintf_func) (info->stream, "%s", mips_gpr_names[4]); | |
2020 | if (args > 1) | |
2021 | (*info->fprintf_func) (info->stream, "-%s", | |
2022 | mips_gpr_names[4 + args - 1]); | |
2023 | need_comma = 1; | |
2024 | } | |
2025 | ||
2026 | framesz = (((l >> 16) & 0xf0) | (l & 0x0f)) * 8; | |
2027 | if (framesz == 0 && !use_extend) | |
2028 | framesz = 128; | |
2029 | ||
2030 | (*info->fprintf_func) (info->stream, "%s%d", | |
2031 | need_comma ? "," : "", | |
2032 | framesz); | |
2033 | ||
2034 | if (l & 0x40) /* $ra */ | |
2035 | (*info->fprintf_func) (info->stream, ",%s", mips_gpr_names[31]); | |
2036 | ||
2037 | nsreg = (l >> 24) & 0x7; | |
2038 | smask = 0; | |
2039 | if (l & 0x20) /* $s0 */ | |
2040 | smask |= 1 << 0; | |
2041 | if (l & 0x10) /* $s1 */ | |
2042 | smask |= 1 << 1; | |
2043 | if (nsreg > 0) /* $s2-$s8 */ | |
2044 | smask |= ((1 << nsreg) - 1) << 2; | |
2045 | ||
2046 | /* Find first set static reg bit. */ | |
2047 | for (i = 0; i < 9; i++) | |
2048 | { | |
2049 | if (smask & (1 << i)) | |
2050 | { | |
2051 | (*info->fprintf_func) (info->stream, ",%s", | |
2052 | mips_gpr_names[i == 8 ? 30 : (16 + i)]); | |
2053 | /* Skip over string of set bits. */ | |
2054 | for (j = i; smask & (2 << j); j++) | |
2055 | continue; | |
2056 | if (j > i) | |
2057 | (*info->fprintf_func) (info->stream, "-%s", | |
2058 | mips_gpr_names[j == 8 ? 30 : (16 + j)]); | |
2059 | i = j + 1; | |
2060 | } | |
2061 | } | |
2062 | ||
2063 | /* Statics $ax - $a3. */ | |
2064 | if (statics == 1) | |
2065 | (*info->fprintf_func) (info->stream, ",%s", mips_gpr_names[7]); | |
2066 | else if (statics > 0) | |
2067 | (*info->fprintf_func) (info->stream, ",%s-%s", | |
2068 | mips_gpr_names[7 - statics + 1], | |
2069 | mips_gpr_names[7]); | |
2070 | } | |
2071 | break; | |
2072 | ||
252b5132 | 2073 | default: |
aa5f19f2 NC |
2074 | /* xgettext:c-format */ |
2075 | (*info->fprintf_func) | |
2076 | (info->stream, | |
2077 | _("# internal disassembler error, unrecognised modifier (%c)"), | |
2078 | type); | |
252b5132 RH |
2079 | abort (); |
2080 | } | |
2081 | } | |
640c0ccd | 2082 | |
47b0e7ad NC |
2083 | /* Disassemble mips16 instructions. */ |
2084 | ||
2085 | static int | |
2086 | print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info) | |
2087 | { | |
2088 | int status; | |
2089 | bfd_byte buffer[2]; | |
2090 | int length; | |
2091 | int insn; | |
2092 | bfd_boolean use_extend; | |
2093 | int extend = 0; | |
2094 | const struct mips_opcode *op, *opend; | |
2095 | ||
2096 | info->bytes_per_chunk = 2; | |
2097 | info->display_endian = info->endian; | |
2098 | info->insn_info_valid = 1; | |
2099 | info->branch_delay_insns = 0; | |
2100 | info->data_size = 0; | |
2101 | info->insn_type = dis_nonbranch; | |
2102 | info->target = 0; | |
2103 | info->target2 = 0; | |
2104 | ||
2105 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2106 | if (status != 0) | |
2107 | { | |
2108 | (*info->memory_error_func) (status, memaddr, info); | |
2109 | return -1; | |
2110 | } | |
2111 | ||
2112 | length = 2; | |
2113 | ||
2114 | if (info->endian == BFD_ENDIAN_BIG) | |
2115 | insn = bfd_getb16 (buffer); | |
2116 | else | |
2117 | insn = bfd_getl16 (buffer); | |
2118 | ||
2119 | /* Handle the extend opcode specially. */ | |
2120 | use_extend = FALSE; | |
2121 | if ((insn & 0xf800) == 0xf000) | |
2122 | { | |
2123 | use_extend = TRUE; | |
2124 | extend = insn & 0x7ff; | |
2125 | ||
2126 | memaddr += 2; | |
2127 | ||
2128 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2129 | if (status != 0) | |
2130 | { | |
2131 | (*info->fprintf_func) (info->stream, "extend 0x%x", | |
2132 | (unsigned int) extend); | |
2133 | (*info->memory_error_func) (status, memaddr, info); | |
2134 | return -1; | |
2135 | } | |
2136 | ||
2137 | if (info->endian == BFD_ENDIAN_BIG) | |
2138 | insn = bfd_getb16 (buffer); | |
2139 | else | |
2140 | insn = bfd_getl16 (buffer); | |
2141 | ||
2142 | /* Check for an extend opcode followed by an extend opcode. */ | |
2143 | if ((insn & 0xf800) == 0xf000) | |
2144 | { | |
2145 | (*info->fprintf_func) (info->stream, "extend 0x%x", | |
2146 | (unsigned int) extend); | |
2147 | info->insn_type = dis_noninsn; | |
2148 | return length; | |
2149 | } | |
2150 | ||
2151 | length += 2; | |
2152 | } | |
2153 | ||
2154 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
2155 | ||
2156 | opend = mips16_opcodes + bfd_mips16_num_opcodes; | |
2157 | for (op = mips16_opcodes; op < opend; op++) | |
2158 | { | |
2159 | if (op->pinfo != INSN_MACRO | |
2160 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
2161 | && (insn & op->mask) == op->match) | |
2162 | { | |
2163 | const char *s; | |
2164 | ||
2165 | if (strchr (op->args, 'a') != NULL) | |
2166 | { | |
2167 | if (use_extend) | |
2168 | { | |
2169 | (*info->fprintf_func) (info->stream, "extend 0x%x", | |
2170 | (unsigned int) extend); | |
2171 | info->insn_type = dis_noninsn; | |
2172 | return length - 2; | |
2173 | } | |
2174 | ||
2175 | use_extend = FALSE; | |
2176 | ||
2177 | memaddr += 2; | |
2178 | ||
2179 | status = (*info->read_memory_func) (memaddr, buffer, 2, | |
2180 | info); | |
2181 | if (status == 0) | |
2182 | { | |
2183 | use_extend = TRUE; | |
2184 | if (info->endian == BFD_ENDIAN_BIG) | |
2185 | extend = bfd_getb16 (buffer); | |
2186 | else | |
2187 | extend = bfd_getl16 (buffer); | |
2188 | length += 2; | |
2189 | } | |
2190 | } | |
2191 | ||
2192 | (*info->fprintf_func) (info->stream, "%s", op->name); | |
2193 | if (op->args[0] != '\0') | |
2194 | (*info->fprintf_func) (info->stream, "\t"); | |
2195 | ||
2196 | for (s = op->args; *s != '\0'; s++) | |
2197 | { | |
2198 | if (*s == ',' | |
2199 | && s[1] == 'w' | |
2200 | && (((insn >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX) | |
2201 | == ((insn >> MIPS16OP_SH_RY) & MIPS16OP_MASK_RY))) | |
2202 | { | |
2203 | /* Skip the register and the comma. */ | |
2204 | ++s; | |
2205 | continue; | |
2206 | } | |
2207 | if (*s == ',' | |
2208 | && s[1] == 'v' | |
2209 | && (((insn >> MIPS16OP_SH_RZ) & MIPS16OP_MASK_RZ) | |
2210 | == ((insn >> MIPS16OP_SH_RX) & MIPS16OP_MASK_RX))) | |
2211 | { | |
2212 | /* Skip the register and the comma. */ | |
2213 | ++s; | |
2214 | continue; | |
2215 | } | |
2216 | print_mips16_insn_arg (*s, op, insn, use_extend, extend, memaddr, | |
2217 | info); | |
2218 | } | |
2219 | ||
9a2c7088 | 2220 | /* Figure out branch instruction type and delay slot information. */ |
47b0e7ad | 2221 | if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0) |
9a2c7088 MR |
2222 | info->branch_delay_insns = 1; |
2223 | if ((op->pinfo & (INSN_UNCOND_BRANCH_DELAY | |
2224 | | MIPS16_INSN_UNCOND_BRANCH)) != 0) | |
47b0e7ad | 2225 | { |
9a2c7088 MR |
2226 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) |
2227 | info->insn_type = dis_jsr; | |
2228 | else | |
47b0e7ad NC |
2229 | info->insn_type = dis_branch; |
2230 | } | |
9a2c7088 MR |
2231 | else if ((op->pinfo & MIPS16_INSN_COND_BRANCH) != 0) |
2232 | info->insn_type = dis_condbranch; | |
47b0e7ad NC |
2233 | |
2234 | return length; | |
2235 | } | |
2236 | } | |
2237 | ||
2238 | if (use_extend) | |
2239 | (*info->fprintf_func) (info->stream, "0x%x", extend | 0xf000); | |
2240 | (*info->fprintf_func) (info->stream, "0x%x", insn); | |
2241 | info->insn_type = dis_noninsn; | |
2242 | ||
2243 | return length; | |
2244 | } | |
2245 | ||
df58fc94 RS |
2246 | /* Disassemble microMIPS instructions. */ |
2247 | ||
2248 | static int | |
2249 | print_insn_micromips (bfd_vma memaddr, struct disassemble_info *info) | |
2250 | { | |
2251 | const fprintf_ftype iprintf = info->fprintf_func; | |
2252 | const struct mips_opcode *op, *opend; | |
2253 | unsigned int lsb, msbd, msb; | |
2254 | void *is = info->stream; | |
2255 | unsigned int regno; | |
2256 | bfd_byte buffer[2]; | |
2257 | int lastregno = 0; | |
2258 | int higher; | |
2259 | int length; | |
2260 | int status; | |
2261 | int delta; | |
2262 | int immed; | |
2263 | int insn; | |
2264 | ||
2265 | lsb = 0; | |
2266 | ||
2267 | info->bytes_per_chunk = 2; | |
2268 | info->display_endian = info->endian; | |
2269 | info->insn_info_valid = 1; | |
2270 | info->branch_delay_insns = 0; | |
2271 | info->data_size = 0; | |
2272 | info->insn_type = dis_nonbranch; | |
2273 | info->target = 0; | |
2274 | info->target2 = 0; | |
2275 | ||
2276 | status = (*info->read_memory_func) (memaddr, buffer, 2, info); | |
2277 | if (status != 0) | |
2278 | { | |
2279 | (*info->memory_error_func) (status, memaddr, info); | |
2280 | return -1; | |
2281 | } | |
2282 | ||
2283 | length = 2; | |
2284 | ||
2285 | if (info->endian == BFD_ENDIAN_BIG) | |
2286 | insn = bfd_getb16 (buffer); | |
2287 | else | |
2288 | insn = bfd_getl16 (buffer); | |
2289 | ||
2290 | if ((insn & 0xfc00) == 0x7c00) | |
2291 | { | |
2292 | /* This is a 48-bit microMIPS instruction. */ | |
2293 | higher = insn; | |
2294 | ||
2295 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
2296 | if (status != 0) | |
2297 | { | |
2298 | iprintf (is, "micromips 0x%x", higher); | |
2299 | (*info->memory_error_func) (status, memaddr + 2, info); | |
2300 | return -1; | |
2301 | } | |
2302 | if (info->endian == BFD_ENDIAN_BIG) | |
2303 | insn = bfd_getb16 (buffer); | |
2304 | else | |
2305 | insn = bfd_getl16 (buffer); | |
2306 | higher = (higher << 16) | insn; | |
2307 | ||
2308 | status = (*info->read_memory_func) (memaddr + 4, buffer, 2, info); | |
2309 | if (status != 0) | |
2310 | { | |
2311 | iprintf (is, "micromips 0x%x", higher); | |
2312 | (*info->memory_error_func) (status, memaddr + 4, info); | |
2313 | return -1; | |
2314 | } | |
2315 | if (info->endian == BFD_ENDIAN_BIG) | |
2316 | insn = bfd_getb16 (buffer); | |
2317 | else | |
2318 | insn = bfd_getl16 (buffer); | |
2319 | iprintf (is, "0x%x%04x (48-bit insn)", higher, insn); | |
2320 | ||
2321 | info->insn_type = dis_noninsn; | |
2322 | return 6; | |
2323 | } | |
2324 | else if ((insn & 0x1c00) == 0x0000 || (insn & 0x1000) == 0x1000) | |
2325 | { | |
2326 | /* This is a 32-bit microMIPS instruction. */ | |
2327 | higher = insn; | |
2328 | ||
2329 | status = (*info->read_memory_func) (memaddr + 2, buffer, 2, info); | |
2330 | if (status != 0) | |
2331 | { | |
2332 | iprintf (is, "micromips 0x%x", higher); | |
2333 | (*info->memory_error_func) (status, memaddr + 2, info); | |
2334 | return -1; | |
2335 | } | |
2336 | ||
2337 | if (info->endian == BFD_ENDIAN_BIG) | |
2338 | insn = bfd_getb16 (buffer); | |
2339 | else | |
2340 | insn = bfd_getl16 (buffer); | |
2341 | ||
2342 | insn = insn | (higher << 16); | |
2343 | ||
2344 | length += 2; | |
2345 | } | |
2346 | ||
2347 | /* FIXME: Should probably use a hash table on the major opcode here. */ | |
2348 | ||
2349 | #define GET_OP(insn, field) \ | |
2350 | (((insn) >> MICROMIPSOP_SH_##field) & MICROMIPSOP_MASK_##field) | |
2351 | opend = micromips_opcodes + bfd_micromips_num_opcodes; | |
2352 | for (op = micromips_opcodes; op < opend; op++) | |
2353 | { | |
2354 | if (op->pinfo != INSN_MACRO | |
2355 | && !(no_aliases && (op->pinfo2 & INSN2_ALIAS)) | |
2356 | && (insn & op->mask) == op->match | |
2357 | && ((length == 2 && (op->mask & 0xffff0000) == 0) | |
2358 | || (length == 4 && (op->mask & 0xffff0000) != 0))) | |
2359 | { | |
2360 | const char *s; | |
2361 | ||
2362 | iprintf (is, "%s", op->name); | |
2363 | if (op->args[0] != '\0') | |
2364 | iprintf (is, "\t"); | |
2365 | ||
2366 | for (s = op->args; *s != '\0'; s++) | |
2367 | { | |
2368 | switch (*s) | |
2369 | { | |
2370 | case ',': | |
2371 | case '(': | |
2372 | case ')': | |
2373 | iprintf (is, "%c", *s); | |
2374 | break; | |
2375 | ||
2376 | case '.': | |
2377 | delta = GET_OP (insn, OFFSET10); | |
2378 | if (delta & 0x200) | |
2379 | delta |= ~0x3ff; | |
2380 | iprintf (is, "%d", delta); | |
2381 | break; | |
2382 | ||
2383 | case '1': | |
2384 | iprintf (is, "0x%lx", GET_OP (insn, STYPE)); | |
2385 | break; | |
2386 | ||
2387 | case '<': | |
2388 | iprintf (is, "0x%lx", GET_OP (insn, SHAMT)); | |
2389 | break; | |
2390 | ||
2391 | case '|': | |
2392 | iprintf (is, "0x%lx", GET_OP (insn, TRAP)); | |
2393 | break; | |
2394 | ||
2395 | case '~': | |
2396 | delta = GET_OP (insn, OFFSET12); | |
2397 | if (delta & 0x800) | |
2398 | delta |= ~0x7ff; | |
2399 | iprintf (is, "%d", delta); | |
2400 | break; | |
2401 | ||
2402 | case 'a': | |
2403 | if (strcmp (op->name, "jalx") == 0) | |
2404 | info->target = (((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | |
2405 | | (GET_OP (insn, TARGET) << 2)); | |
2406 | else | |
2407 | info->target = (((memaddr + 4) & ~(bfd_vma) 0x07ffffff) | |
2408 | | ((GET_OP (insn, TARGET)) << 1)); | |
2409 | /* For gdb disassembler, force odd address on jalx. */ | |
2410 | if (info->flavour == bfd_target_unknown_flavour | |
2411 | && strcmp (op->name, "jalx") == 0) | |
2412 | info->target |= 1; | |
2413 | (*info->print_address_func) (info->target, info); | |
2414 | break; | |
2415 | ||
2416 | case 'b': | |
2417 | case 'r': | |
2418 | case 's': | |
2419 | case 'v': | |
2420 | iprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS)]); | |
2421 | break; | |
2422 | ||
2423 | case 'c': | |
2424 | iprintf (is, "0x%lx", GET_OP (insn, CODE)); | |
2425 | break; | |
2426 | ||
2427 | case 'd': | |
2428 | iprintf (is, "%s", mips_gpr_names[GET_OP (insn, RD)]); | |
2429 | break; | |
2430 | ||
2431 | case 'h': | |
2432 | iprintf (is, "0x%lx", GET_OP (insn, PREFX)); | |
2433 | break; | |
2434 | ||
2435 | case 'i': | |
2436 | case 'u': | |
2437 | iprintf (is, "0x%lx", GET_OP (insn, IMMEDIATE)); | |
2438 | break; | |
2439 | ||
2440 | case 'j': /* Same as i, but sign-extended. */ | |
2441 | case 'o': | |
2442 | delta = (GET_OP (insn, DELTA) ^ 0x8000) - 0x8000; | |
2443 | iprintf (is, "%d", delta); | |
2444 | break; | |
2445 | ||
2446 | case 'k': | |
2447 | iprintf (is, "0x%x", GET_OP (insn, CACHE)); | |
2448 | break; | |
2449 | ||
2450 | case 'n': | |
2451 | { | |
2452 | int s_reg_encode; | |
2453 | ||
2454 | immed = GET_OP (insn, RT); | |
2455 | s_reg_encode = immed & 0xf; | |
2456 | if (s_reg_encode != 0) | |
2457 | { | |
2458 | if (s_reg_encode == 1) | |
2459 | iprintf (is, "%s", mips_gpr_names[16]); | |
2460 | else if (s_reg_encode < 9) | |
2461 | iprintf (is, "%s-%s", | |
2462 | mips_gpr_names[16], | |
2463 | mips_gpr_names[15 + s_reg_encode]); | |
2464 | else if (s_reg_encode == 9) | |
2465 | iprintf (is, "%s-%s,%s", | |
2466 | mips_gpr_names[16], | |
2467 | mips_gpr_names[23], | |
2468 | mips_gpr_names[30]); | |
2469 | else | |
2470 | iprintf (is, "UNKNOWN"); | |
2471 | } | |
2472 | ||
2473 | if (immed & 0x10) /* For ra. */ | |
2474 | { | |
2475 | if (s_reg_encode == 0) | |
2476 | iprintf (is, "%s", mips_gpr_names[31]); | |
2477 | else | |
2478 | iprintf (is, ",%s", mips_gpr_names[31]); | |
2479 | } | |
2480 | break; | |
2481 | } | |
2482 | ||
2483 | case 'p': | |
2484 | /* Sign-extend the displacement. */ | |
2485 | delta = (GET_OP (insn, DELTA) ^ 0x8000) - 0x8000; | |
2486 | info->target = (delta << 1) + memaddr + length; | |
2487 | (*info->print_address_func) (info->target, info); | |
2488 | break; | |
2489 | ||
2490 | case 'q': | |
2491 | iprintf (is, "0x%lx", GET_OP (insn, CODE2)); | |
2492 | break; | |
2493 | ||
2494 | case 't': | |
2495 | case 'w': | |
2496 | iprintf (is, "%s", mips_gpr_names[GET_OP (insn, RT)]); | |
2497 | break; | |
2498 | ||
2499 | case 'y': | |
2500 | iprintf (is, "%s", mips_gpr_names[GET_OP (insn, RS3)]); | |
2501 | break; | |
2502 | ||
2503 | case 'z': | |
2504 | iprintf (is, "%s", mips_gpr_names[0]); | |
2505 | break; | |
2506 | ||
2507 | case 'B': | |
2508 | iprintf (is, "0x%lx", GET_OP (insn, CODE10)); | |
2509 | break; | |
2510 | ||
2511 | case 'C': | |
2512 | iprintf (is, "0x%lx", GET_OP (insn, COPZ)); | |
2513 | break; | |
2514 | ||
2515 | case 'D': | |
2516 | iprintf (is, "%s", mips_fpr_names[GET_OP (insn, FD)]); | |
2517 | break; | |
2518 | ||
2519 | case 'E': | |
2520 | /* Coprocessor register for lwcN instructions, et al. | |
2521 | ||
2522 | Note that there is no load/store cp0 instructions, and | |
2523 | that FPU (cp1) instructions disassemble this field using | |
2524 | 'T' format. Therefore, until we gain understanding of | |
2525 | cp2 register names, we can simply print the register | |
2526 | numbers. */ | |
2527 | iprintf (is, "$%ld", GET_OP (insn, RT)); | |
2528 | break; | |
2529 | ||
2530 | case 'G': | |
2531 | /* Coprocessor register for mtcN instructions, et al. Note | |
2532 | that FPU (cp1) instructions disassemble this field using | |
2533 | 'S' format. Therefore, we only need to worry about cp0, | |
2534 | cp2, and cp3. | |
2535 | The microMIPS encoding does not have a coprocessor | |
2536 | identifier field as such, so we must work out the | |
2537 | coprocessor number by looking at the opcode. */ | |
2538 | switch (insn | |
2539 | & ~((MICROMIPSOP_MASK_RT << MICROMIPSOP_SH_RT) | |
2540 | | (MICROMIPSOP_MASK_RS << MICROMIPSOP_SH_RS))) | |
2541 | { | |
2542 | case 0x000000fc: /* mfc0 */ | |
2543 | case 0x000002fc: /* mtc0 */ | |
2544 | case 0x580000fc: /* dmfc0 */ | |
2545 | case 0x580002fc: /* dmtc0 */ | |
2546 | iprintf (is, "%s", mips_cp0_names[GET_OP (insn, RS)]); | |
2547 | break; | |
2548 | default: | |
2549 | iprintf (is, "$%ld", GET_OP (insn, RS)); | |
2550 | break; | |
2551 | } | |
2552 | break; | |
2553 | ||
2554 | case 'H': | |
2555 | iprintf (is, "%ld", GET_OP (insn, SEL)); | |
2556 | break; | |
2557 | ||
2558 | case 'K': | |
2559 | iprintf (is, "%s", mips_hwr_names[GET_OP (insn, RS)]); | |
2560 | break; | |
2561 | ||
2562 | case 'M': | |
2563 | iprintf (is, "$fcc%ld", GET_OP (insn, CCC)); | |
2564 | break; | |
2565 | ||
2566 | case 'N': | |
2567 | iprintf (is, | |
2568 | (op->pinfo & (FP_D | FP_S)) != 0 | |
2569 | ? "$fcc%ld" : "$cc%ld", | |
2570 | GET_OP (insn, BCC)); | |
2571 | break; | |
2572 | ||
2573 | case 'R': | |
2574 | iprintf (is, "%s", mips_fpr_names[GET_OP (insn, FR)]); | |
2575 | break; | |
2576 | ||
2577 | case 'S': | |
2578 | case 'V': | |
2579 | iprintf (is, "%s", mips_fpr_names[GET_OP (insn, FS)]); | |
2580 | break; | |
2581 | ||
2582 | case 'T': | |
2583 | iprintf (is, "%s", mips_fpr_names[GET_OP (insn, FT)]); | |
2584 | break; | |
2585 | ||
2586 | case '+': | |
2587 | /* Extension character; switch for second char. */ | |
2588 | s++; | |
2589 | switch (*s) | |
2590 | { | |
2591 | case 'A': | |
2592 | lsb = GET_OP (insn, EXTLSB); | |
2593 | iprintf (is, "0x%x", lsb); | |
2594 | break; | |
2595 | ||
2596 | case 'B': | |
2597 | msb = GET_OP (insn, INSMSB); | |
2598 | iprintf (is, "0x%x", msb - lsb + 1); | |
2599 | break; | |
2600 | ||
2601 | case 'C': | |
2602 | case 'H': | |
2603 | msbd = GET_OP (insn, EXTMSBD); | |
2604 | iprintf (is, "0x%x", msbd + 1); | |
2605 | break; | |
2606 | ||
2607 | case 'D': | |
2608 | { | |
2609 | const struct mips_cp0sel_name *n; | |
2610 | unsigned int cp0reg, sel; | |
2611 | ||
2612 | cp0reg = GET_OP (insn, RS); | |
2613 | sel = GET_OP (insn, SEL); | |
2614 | ||
2615 | /* CP0 register including 'sel' code for mtcN | |
2616 | (et al.), to be printed textually if known. | |
2617 | If not known, print both CP0 register name and | |
2618 | sel numerically since CP0 register with sel 0 may | |
2619 | have a name unrelated to register being printed. */ | |
2620 | n = lookup_mips_cp0sel_name (mips_cp0sel_names, | |
2621 | mips_cp0sel_names_len, | |
2622 | cp0reg, sel); | |
2623 | if (n != NULL) | |
2624 | iprintf (is, "%s", n->name); | |
2625 | else | |
2626 | iprintf (is, "$%d,%d", cp0reg, sel); | |
2627 | break; | |
2628 | } | |
2629 | ||
2630 | case 'E': | |
2631 | lsb = GET_OP (insn, EXTLSB) + 32; | |
2632 | iprintf (is, "0x%x", lsb); | |
2633 | break; | |
2634 | ||
2635 | case 'F': | |
2636 | msb = GET_OP (insn, INSMSB) + 32; | |
2637 | iprintf (is, "0x%x", msb - lsb + 1); | |
2638 | break; | |
2639 | ||
2640 | case 'G': | |
2641 | msbd = GET_OP (insn, EXTMSBD) + 32; | |
2642 | iprintf (is, "0x%x", msbd + 1); | |
2643 | break; | |
2644 | ||
2645 | default: | |
2646 | /* xgettext:c-format */ | |
2647 | iprintf (is, | |
2648 | _("# internal disassembler error, " | |
2649 | "unrecognized modifier (+%c)"), | |
2650 | *s); | |
2651 | abort (); | |
2652 | } | |
2653 | break; | |
2654 | ||
2655 | case 'm': | |
2656 | /* Extension character; switch for second char. */ | |
2657 | s++; | |
2658 | switch (*s) | |
2659 | { | |
2660 | case 'a': /* global pointer. */ | |
2661 | iprintf (is, "%s", mips_gpr_names[28]); | |
2662 | break; | |
2663 | ||
2664 | case 'b': | |
2665 | regno = micromips_to_32_reg_b_map[GET_OP (insn, MB)]; | |
2666 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2667 | break; | |
2668 | ||
2669 | case 'c': | |
2670 | regno = micromips_to_32_reg_c_map[GET_OP (insn, MC)]; | |
2671 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2672 | break; | |
2673 | ||
2674 | case 'd': | |
2675 | regno = micromips_to_32_reg_d_map[GET_OP (insn, MD)]; | |
2676 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2677 | break; | |
2678 | ||
2679 | case 'e': | |
2680 | regno = micromips_to_32_reg_e_map[GET_OP (insn, ME)]; | |
2681 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2682 | break; | |
2683 | ||
2684 | case 'f': | |
2685 | /* Save lastregno for "mt" to print out later. */ | |
2686 | lastregno = micromips_to_32_reg_f_map[GET_OP (insn, MF)]; | |
2687 | iprintf (is, "%s", mips_gpr_names[lastregno]); | |
2688 | break; | |
2689 | ||
2690 | case 'g': | |
2691 | regno = micromips_to_32_reg_g_map[GET_OP (insn, MG)]; | |
2692 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2693 | break; | |
2694 | ||
2695 | case 'h': | |
2696 | regno = micromips_to_32_reg_h_map[GET_OP (insn, MH)]; | |
2697 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2698 | break; | |
2699 | ||
2700 | case 'i': | |
2701 | regno = micromips_to_32_reg_i_map[GET_OP (insn, MI)]; | |
2702 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2703 | break; | |
2704 | ||
2705 | case 'j': | |
2706 | iprintf (is, "%s", mips_gpr_names[GET_OP (insn, MJ)]); | |
2707 | break; | |
2708 | ||
2709 | case 'l': | |
2710 | regno = micromips_to_32_reg_l_map[GET_OP (insn, ML)]; | |
2711 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2712 | break; | |
2713 | ||
2714 | case 'm': | |
2715 | regno = micromips_to_32_reg_m_map[GET_OP (insn, MM)]; | |
2716 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2717 | break; | |
2718 | ||
2719 | case 'n': | |
2720 | regno = micromips_to_32_reg_n_map[GET_OP (insn, MN)]; | |
2721 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2722 | break; | |
2723 | ||
2724 | case 'p': | |
2725 | /* Save lastregno for "mt" to print out later. */ | |
2726 | lastregno = GET_OP (insn, MP); | |
2727 | iprintf (is, "%s", mips_gpr_names[lastregno]); | |
2728 | break; | |
2729 | ||
2730 | case 'q': | |
2731 | regno = micromips_to_32_reg_q_map[GET_OP (insn, MQ)]; | |
2732 | iprintf (is, "%s", mips_gpr_names[regno]); | |
2733 | break; | |
2734 | ||
2735 | case 'r': /* program counter. */ | |
2736 | iprintf (is, "$pc"); | |
2737 | break; | |
2738 | ||
2739 | case 's': /* stack pointer. */ | |
2740 | lastregno = 29; | |
2741 | iprintf (is, "%s", mips_gpr_names[29]); | |
2742 | break; | |
2743 | ||
2744 | case 't': | |
2745 | iprintf (is, "%s", mips_gpr_names[lastregno]); | |
2746 | break; | |
2747 | ||
2748 | case 'z': /* $0. */ | |
2749 | iprintf (is, "%s", mips_gpr_names[0]); | |
2750 | break; | |
2751 | ||
2752 | case 'A': | |
2753 | /* Sign-extend the immediate. */ | |
2754 | immed = ((GET_OP (insn, IMMA) ^ 0x40) - 0x40) << 2; | |
2755 | iprintf (is, "%d", immed); | |
2756 | break; | |
2757 | ||
2758 | case 'B': | |
2759 | immed = micromips_imm_b_map[GET_OP (insn, IMMB)]; | |
2760 | iprintf (is, "%d", immed); | |
2761 | break; | |
2762 | ||
2763 | case 'C': | |
2764 | immed = micromips_imm_c_map[GET_OP (insn, IMMC)]; | |
2765 | iprintf (is, "0x%lx", immed); | |
2766 | break; | |
2767 | ||
2768 | case 'D': | |
2769 | /* Sign-extend the displacement. */ | |
2770 | delta = (GET_OP (insn, IMMD) ^ 0x200) - 0x200; | |
2771 | info->target = (delta << 1) + memaddr + length; | |
2772 | (*info->print_address_func) (info->target, info); | |
2773 | break; | |
2774 | ||
2775 | case 'E': | |
2776 | /* Sign-extend the displacement. */ | |
2777 | delta = (GET_OP (insn, IMME) ^ 0x40) - 0x40; | |
2778 | info->target = (delta << 1) + memaddr + length; | |
2779 | (*info->print_address_func) (info->target, info); | |
2780 | break; | |
2781 | ||
2782 | case 'F': | |
2783 | immed = GET_OP (insn, IMMF); | |
2784 | iprintf (is, "0x%x", immed); | |
2785 | break; | |
2786 | ||
2787 | case 'G': | |
2788 | immed = (insn >> MICROMIPSOP_SH_IMMG) + 1; | |
2789 | immed = (immed & MICROMIPSOP_MASK_IMMG) - 1; | |
2790 | iprintf (is, "%d", immed); | |
2791 | break; | |
2792 | ||
2793 | case 'H': | |
2794 | immed = GET_OP (insn, IMMH) << 1; | |
2795 | iprintf (is, "%d", immed); | |
2796 | break; | |
2797 | ||
2798 | case 'I': | |
2799 | immed = (insn >> MICROMIPSOP_SH_IMMI) + 1; | |
2800 | immed = (immed & MICROMIPSOP_MASK_IMMI) - 1; | |
2801 | iprintf (is, "%d", immed); | |
2802 | break; | |
2803 | ||
2804 | case 'J': | |
2805 | immed = GET_OP (insn, IMMJ) << 2; | |
2806 | iprintf (is, "%d", immed); | |
2807 | break; | |
2808 | ||
2809 | case 'L': | |
2810 | immed = GET_OP (insn, IMML); | |
2811 | iprintf (is, "%d", immed); | |
2812 | break; | |
2813 | ||
2814 | case 'M': | |
2815 | immed = (insn >> MICROMIPSOP_SH_IMMM) - 1; | |
2816 | immed = (immed & MICROMIPSOP_MASK_IMMM) + 1; | |
2817 | iprintf (is, "%d", immed); | |
2818 | break; | |
2819 | ||
2820 | case 'N': | |
2821 | immed = GET_OP (insn, IMMN); | |
2822 | if (immed == 0) | |
2823 | iprintf (is, "%s,%s", | |
2824 | mips_gpr_names[16], | |
2825 | mips_gpr_names[31]); | |
2826 | else | |
2827 | iprintf (is, "%s-%s,%s", | |
2828 | mips_gpr_names[16], | |
2829 | mips_gpr_names[16 + immed], | |
2830 | mips_gpr_names[31]); | |
2831 | break; | |
2832 | ||
2833 | case 'O': | |
2834 | immed = GET_OP (insn, IMMO); | |
2835 | iprintf (is, "0x%x", immed); | |
2836 | break; | |
2837 | ||
2838 | case 'P': | |
2839 | immed = GET_OP (insn, IMMP) << 2; | |
2840 | iprintf (is, "%d", immed); | |
2841 | break; | |
2842 | ||
2843 | case 'Q': | |
2844 | /* Sign-extend the immediate. */ | |
2845 | immed = (GET_OP (insn, IMMQ) ^ 0x400000) - 0x400000; | |
2846 | immed <<= 2; | |
2847 | iprintf (is, "%d", immed); | |
2848 | break; | |
2849 | ||
2850 | case 'U': | |
2851 | immed = GET_OP (insn, IMMU) << 2; | |
2852 | iprintf (is, "%d", immed); | |
2853 | break; | |
2854 | ||
2855 | case 'W': | |
2856 | immed = GET_OP (insn, IMMW) << 2; | |
2857 | iprintf (is, "%d", immed); | |
2858 | break; | |
2859 | ||
2860 | case 'X': | |
2861 | /* Sign-extend the immediate. */ | |
2862 | immed = (GET_OP (insn, IMMX) ^ 0x8) - 0x8; | |
2863 | iprintf (is, "%d", immed); | |
2864 | break; | |
2865 | ||
2866 | case 'Y': | |
2867 | /* Sign-extend the immediate. */ | |
2868 | immed = (GET_OP (insn, IMMY) ^ 0x100) - 0x100; | |
2869 | if (immed >= -2 && immed <= 1) | |
2870 | immed ^= 0x100; | |
2871 | immed = immed << 2; | |
2872 | iprintf (is, "%d", immed); | |
2873 | break; | |
2874 | ||
2875 | default: | |
2876 | /* xgettext:c-format */ | |
2877 | iprintf (is, | |
2878 | _("# internal disassembler error, " | |
2879 | "unrecognized modifier (m%c)"), | |
2880 | *s); | |
2881 | abort (); | |
2882 | } | |
2883 | break; | |
2884 | ||
2885 | default: | |
2886 | /* xgettext:c-format */ | |
2887 | iprintf (is, | |
2888 | _("# internal disassembler error, " | |
2889 | "unrecognized modifier (%c)"), | |
2890 | *s); | |
2891 | abort (); | |
2892 | } | |
2893 | } | |
2894 | ||
2895 | /* Figure out instruction type and branch delay information. */ | |
2896 | if ((op->pinfo | |
2897 | & (INSN_UNCOND_BRANCH_DELAY | INSN_COND_BRANCH_DELAY)) != 0) | |
2898 | info->branch_delay_insns = 1; | |
2899 | if (((op->pinfo & INSN_UNCOND_BRANCH_DELAY) | |
2900 | | (op->pinfo2 & INSN2_UNCOND_BRANCH)) != 0) | |
2901 | { | |
2902 | if ((op->pinfo & (INSN_WRITE_GPR_31 | INSN_WRITE_GPR_T)) != 0) | |
2903 | info->insn_type = dis_jsr; | |
2904 | else | |
2905 | info->insn_type = dis_branch; | |
2906 | } | |
2907 | else if (((op->pinfo & INSN_COND_BRANCH_DELAY) | |
2908 | | (op->pinfo2 & INSN2_COND_BRANCH)) != 0) | |
2909 | { | |
2910 | if ((op->pinfo & INSN_WRITE_GPR_31) != 0) | |
2911 | info->insn_type = dis_condjsr; | |
2912 | else | |
2913 | info->insn_type = dis_condbranch; | |
2914 | } | |
2915 | else if ((op->pinfo | |
2916 | & (INSN_STORE_MEMORY | INSN_LOAD_MEMORY_DELAY)) != 0) | |
2917 | info->insn_type = dis_dref; | |
2918 | ||
2919 | return length; | |
2920 | } | |
2921 | } | |
2922 | #undef GET_OP | |
2923 | ||
2924 | iprintf (is, "0x%x", insn); | |
2925 | info->insn_type = dis_noninsn; | |
2926 | ||
2927 | return length; | |
2928 | } | |
2929 | ||
2930 | /* Return 1 if a symbol associated with the location being disassembled | |
2931 | indicates a compressed (MIPS16 or microMIPS) mode. We iterate over | |
2932 | all the symbols at the address being considered assuming if at least | |
2933 | one of them indicates code compression, then such code has been | |
2934 | genuinely produced here (other symbols could have been derived from | |
2935 | function symbols defined elsewhere or could define data). Otherwise, | |
2936 | return 0. */ | |
2937 | ||
2938 | static bfd_boolean | |
2939 | is_compressed_mode_p (struct disassemble_info *info) | |
2940 | { | |
2941 | elf_symbol_type *symbol; | |
2942 | int pos; | |
2943 | int i; | |
2944 | ||
2945 | for (i = 0; i < info->num_symbols; i++) | |
2946 | { | |
2947 | pos = info->symtab_pos + i; | |
2948 | ||
2949 | if (bfd_asymbol_flavour (info->symtab[pos]) != bfd_target_elf_flavour) | |
2950 | continue; | |
2951 | ||
2952 | symbol = (elf_symbol_type *) info->symtab[pos]; | |
2953 | if ((!micromips_ase | |
2954 | && ELF_ST_IS_MIPS16 (symbol->internal_elf_sym.st_other)) | |
2955 | || (micromips_ase | |
2956 | && ELF_ST_IS_MICROMIPS (symbol->internal_elf_sym.st_other))) | |
2957 | return 1; | |
2958 | } | |
2959 | ||
2960 | return 0; | |
2961 | } | |
2962 | ||
47b0e7ad NC |
2963 | /* In an environment where we do not know the symbol type of the |
2964 | instruction we are forced to assume that the low order bit of the | |
2965 | instructions' address may mark it as a mips16 instruction. If we | |
2966 | are single stepping, or the pc is within the disassembled function, | |
2967 | this works. Otherwise, we need a clue. Sometimes. */ | |
2968 | ||
2969 | static int | |
2970 | _print_insn_mips (bfd_vma memaddr, | |
2971 | struct disassemble_info *info, | |
2972 | enum bfd_endian endianness) | |
2973 | { | |
df58fc94 | 2974 | int (*print_insn_compr) (bfd_vma, struct disassemble_info *); |
47b0e7ad NC |
2975 | bfd_byte buffer[INSNLEN]; |
2976 | int status; | |
2977 | ||
2978 | set_default_mips_dis_options (info); | |
2979 | parse_mips_dis_options (info->disassembler_options); | |
2980 | ||
df58fc94 RS |
2981 | if (info->mach == bfd_mach_mips16) |
2982 | return print_insn_mips16 (memaddr, info); | |
2983 | if (info->mach == bfd_mach_mips_micromips) | |
2984 | return print_insn_micromips (memaddr, info); | |
2985 | ||
2986 | print_insn_compr = !micromips_ase ? print_insn_mips16 : print_insn_micromips; | |
2987 | ||
47b0e7ad | 2988 | #if 1 |
df58fc94 | 2989 | /* FIXME: If odd address, this is CLEARLY a compressed instruction. */ |
47b0e7ad NC |
2990 | /* Only a few tools will work this way. */ |
2991 | if (memaddr & 0x01) | |
df58fc94 | 2992 | return print_insn_compr (memaddr, info); |
47b0e7ad NC |
2993 | #endif |
2994 | ||
2995 | #if SYMTAB_AVAILABLE | |
df58fc94 RS |
2996 | if (is_compressed_mode_p (info)) |
2997 | return print_insn_compr (memaddr, info); | |
47b0e7ad NC |
2998 | #endif |
2999 | ||
3000 | status = (*info->read_memory_func) (memaddr, buffer, INSNLEN, info); | |
3001 | if (status == 0) | |
3002 | { | |
3003 | unsigned long insn; | |
3004 | ||
3005 | if (endianness == BFD_ENDIAN_BIG) | |
3006 | insn = (unsigned long) bfd_getb32 (buffer); | |
3007 | else | |
3008 | insn = (unsigned long) bfd_getl32 (buffer); | |
3009 | ||
3010 | return print_insn_mips (memaddr, insn, info); | |
3011 | } | |
3012 | else | |
3013 | { | |
3014 | (*info->memory_error_func) (status, memaddr, info); | |
3015 | return -1; | |
3016 | } | |
3017 | } | |
3018 | ||
3019 | int | |
3020 | print_insn_big_mips (bfd_vma memaddr, struct disassemble_info *info) | |
3021 | { | |
3022 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_BIG); | |
3023 | } | |
3024 | ||
3025 | int | |
3026 | print_insn_little_mips (bfd_vma memaddr, struct disassemble_info *info) | |
3027 | { | |
3028 | return _print_insn_mips (memaddr, info, BFD_ENDIAN_LITTLE); | |
3029 | } | |
3030 | \f | |
640c0ccd | 3031 | void |
47b0e7ad | 3032 | print_mips_disassembler_options (FILE *stream) |
640c0ccd | 3033 | { |
4a9a3c54 | 3034 | unsigned int i; |
640c0ccd CD |
3035 | |
3036 | fprintf (stream, _("\n\ | |
3037 | The following MIPS specific disassembler options are supported for use\n\ | |
3038 | with the -M switch (multiple options should be separated by commas):\n")); | |
3039 | ||
3040 | fprintf (stream, _("\n\ | |
3041 | gpr-names=ABI Print GPR names according to specified ABI.\n\ | |
3042 | Default: based on binary being disassembled.\n")); | |
3043 | ||
3044 | fprintf (stream, _("\n\ | |
3045 | fpr-names=ABI Print FPR names according to specified ABI.\n\ | |
3046 | Default: numeric.\n")); | |
3047 | ||
3048 | fprintf (stream, _("\n\ | |
3049 | cp0-names=ARCH Print CP0 register names according to\n\ | |
3050 | specified architecture.\n\ | |
3051 | Default: based on binary being disassembled.\n")); | |
3052 | ||
af7ee8bf CD |
3053 | fprintf (stream, _("\n\ |
3054 | hwr-names=ARCH Print HWR names according to specified \n\ | |
3055 | architecture.\n\ | |
3056 | Default: based on binary being disassembled.\n")); | |
3057 | ||
640c0ccd CD |
3058 | fprintf (stream, _("\n\ |
3059 | reg-names=ABI Print GPR and FPR names according to\n\ | |
3060 | specified ABI.\n")); | |
3061 | ||
3062 | fprintf (stream, _("\n\ | |
af7ee8bf | 3063 | reg-names=ARCH Print CP0 register and HWR names according to\n\ |
640c0ccd CD |
3064 | specified architecture.\n")); |
3065 | ||
3066 | fprintf (stream, _("\n\ | |
3067 | For the options above, the following values are supported for \"ABI\":\n\ | |
3068 | ")); | |
4a9a3c54 | 3069 | for (i = 0; i < ARRAY_SIZE (mips_abi_choices); i++) |
640c0ccd CD |
3070 | fprintf (stream, " %s", mips_abi_choices[i].name); |
3071 | fprintf (stream, _("\n")); | |
3072 | ||
3073 | fprintf (stream, _("\n\ | |
3074 | For the options above, The following values are supported for \"ARCH\":\n\ | |
3075 | ")); | |
4a9a3c54 | 3076 | for (i = 0; i < ARRAY_SIZE (mips_arch_choices); i++) |
640c0ccd CD |
3077 | if (*mips_arch_choices[i].name != '\0') |
3078 | fprintf (stream, " %s", mips_arch_choices[i].name); | |
3079 | fprintf (stream, _("\n")); | |
3080 | ||
3081 | fprintf (stream, _("\n")); | |
3082 | } |