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4162bb66 | 1 | /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */ |
87e6d782 NC |
2 | /* Assembler interface for targets using CGEN. -*- C -*- |
3 | CGEN: Cpu tools GENerator | |
4 | ||
47b0e7ad NC |
5 | THIS FILE IS MACHINE GENERATED WITH CGEN. |
6 | - the resultant file is machine generated, cgen-asm.in isn't | |
87e6d782 | 7 | |
250d07de | 8 | Copyright (C) 1996-2021 Free Software Foundation, Inc. |
87e6d782 | 9 | |
9b201bb5 | 10 | This file is part of libopcodes. |
87e6d782 | 11 | |
9b201bb5 | 12 | This library is free software; you can redistribute it and/or modify |
47b0e7ad | 13 | it under the terms of the GNU General Public License as published by |
9b201bb5 | 14 | the Free Software Foundation; either version 3, or (at your option) |
47b0e7ad | 15 | any later version. |
87e6d782 | 16 | |
9b201bb5 NC |
17 | It is distributed in the hope that it will be useful, but WITHOUT |
18 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
19 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
20 | License for more details. | |
87e6d782 | 21 | |
47b0e7ad NC |
22 | You should have received a copy of the GNU General Public License |
23 | along with this program; if not, write to the Free Software Foundation, Inc., | |
24 | 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ | |
87e6d782 | 25 | |
9b201bb5 | 26 | |
87e6d782 NC |
27 | /* ??? Eventually more and more of this stuff can go to cpu-independent files. |
28 | Keep that in mind. */ | |
29 | ||
30 | #include "sysdep.h" | |
87e6d782 NC |
31 | #include <stdio.h> |
32 | #include "ansidecl.h" | |
33 | #include "bfd.h" | |
34 | #include "symcat.h" | |
73589c9d CS |
35 | #include "or1k-desc.h" |
36 | #include "or1k-opc.h" | |
87e6d782 | 37 | #include "opintl.h" |
fc7bc883 | 38 | #include "xregex.h" |
fc05c67f | 39 | #include "libiberty.h" |
37111cc7 | 40 | #include "safe-ctype.h" |
87e6d782 | 41 | |
37111cc7 | 42 | #undef min |
87e6d782 | 43 | #define min(a,b) ((a) < (b) ? (a) : (b)) |
37111cc7 | 44 | #undef max |
87e6d782 NC |
45 | #define max(a,b) ((a) > (b) ? (a) : (b)) |
46 | ||
47 | static const char * parse_insn_normal | |
ffead7ae | 48 | (CGEN_CPU_DESC, const CGEN_INSN *, const char **, CGEN_FIELDS *); |
87e6d782 | 49 | \f |
37111cc7 | 50 | /* -- assembler routines inserted here. */ |
87e6d782 NC |
51 | |
52 | /* -- asm.c */ | |
53 | ||
47b0e7ad | 54 | static const char * MISSING_CLOSING_PARENTHESIS = N_("missing `)'"); |
1c4f3780 RH |
55 | static const char * INVALID_STORE_RELOC = N_("relocation invalid for store"); |
56 | static const char * INVALID_RELOC_TYPE = N_("internal relocation type invalid"); | |
87e6d782 | 57 | |
47b0e7ad | 58 | #define CGEN_VERBOSE_ASSEMBLER_ERRORS |
0e2ee3ca | 59 | |
73589c9d CS |
60 | static const char * |
61 | parse_disp26 (CGEN_CPU_DESC cd, | |
c151b1c6 AM |
62 | const char ** strp, |
63 | int opindex, | |
c8e98e36 | 64 | int opinfo ATTRIBUTE_UNUSED, |
c151b1c6 AM |
65 | enum cgen_parse_operand_result * resultp, |
66 | bfd_vma * valuep) | |
87e6d782 | 67 | { |
c8e98e36 | 68 | const char *str = *strp; |
73589c9d | 69 | const char *errmsg = NULL; |
c8e98e36 | 70 | bfd_reloc_code_real_type reloc = BFD_RELOC_OR1K_REL_26; |
87e6d782 | 71 | |
c8e98e36 | 72 | if (strncasecmp (str, "plta(", 5) == 0) |
73589c9d | 73 | { |
c8e98e36 SH |
74 | *strp = str + 5; |
75 | reloc = BFD_RELOC_OR1K_PLTA26; | |
76 | } | |
77 | else if (strncasecmp (str, "plt(", 4) == 0) | |
78 | { | |
79 | *strp = str + 4; | |
80 | reloc = BFD_RELOC_OR1K_PLT26; | |
81 | } | |
82 | ||
83 | errmsg = cgen_parse_address (cd, strp, opindex, reloc, resultp, valuep); | |
73589c9d | 84 | |
c8e98e36 SH |
85 | if (reloc != BFD_RELOC_OR1K_REL_26) |
86 | { | |
73589c9d | 87 | if (**strp != ')') |
c8e98e36 SH |
88 | errmsg = MISSING_CLOSING_PARENTHESIS; |
89 | else | |
90 | ++*strp; | |
91 | } | |
92 | ||
93 | return errmsg; | |
94 | } | |
95 | ||
96 | static const char * | |
97 | parse_disp21 (CGEN_CPU_DESC cd, | |
98 | const char ** strp, | |
99 | int opindex, | |
100 | int opinfo ATTRIBUTE_UNUSED, | |
101 | enum cgen_parse_operand_result * resultp, | |
102 | bfd_vma * valuep) | |
103 | { | |
104 | const char *str = *strp; | |
105 | const char *errmsg = NULL; | |
106 | bfd_reloc_code_real_type reloc = BFD_RELOC_OR1K_PCREL_PG21; | |
107 | ||
108 | if (strncasecmp (str, "got(", 4) == 0) | |
109 | { | |
110 | *strp = str + 4; | |
111 | reloc = BFD_RELOC_OR1K_GOT_PG21; | |
112 | } | |
113 | else if (strncasecmp (str, "tlsgd(", 6) == 0) | |
114 | { | |
115 | *strp = str + 6; | |
116 | reloc = BFD_RELOC_OR1K_TLS_GD_PG21; | |
117 | } | |
118 | else if (strncasecmp (str, "tlsldm(", 7) == 0) | |
119 | { | |
120 | *strp = str + 7; | |
121 | reloc = BFD_RELOC_OR1K_TLS_LDM_PG21; | |
73589c9d | 122 | } |
c8e98e36 SH |
123 | else if (strncasecmp (str, "gottp(", 6) == 0) |
124 | { | |
125 | *strp = str + 6; | |
126 | reloc = BFD_RELOC_OR1K_TLS_IE_PG21; | |
127 | } | |
128 | ||
129 | errmsg = cgen_parse_address (cd, strp, opindex, reloc, resultp, valuep); | |
130 | ||
131 | if (reloc != BFD_RELOC_OR1K_PCREL_PG21) | |
132 | { | |
133 | if (**strp != ')') | |
134 | errmsg = MISSING_CLOSING_PARENTHESIS; | |
135 | else | |
136 | ++*strp; | |
137 | } | |
138 | ||
139 | return errmsg; | |
73589c9d | 140 | } |
87e6d782 | 141 | |
c8e98e36 SH |
142 | enum or1k_rclass |
143 | { | |
144 | RCLASS_DIRECT = 0, | |
145 | RCLASS_GOT = 1, | |
146 | RCLASS_GOTPC = 2, | |
147 | RCLASS_GOTOFF = 3, | |
148 | RCLASS_TLSGD = 4, | |
149 | RCLASS_TLSLDM = 5, | |
150 | RCLASS_DTPOFF = 6, | |
151 | RCLASS_GOTTPOFF = 7, | |
152 | RCLASS_TPOFF = 8, | |
153 | }; | |
154 | ||
155 | enum or1k_rtype | |
156 | { | |
1c4f3780 | 157 | RTYPE_LO = 0, |
c8e98e36 SH |
158 | RTYPE_SLO = 1, |
159 | RTYPE_PO = 2, | |
160 | RTYPE_SPO = 3, | |
161 | RTYPE_HI = 4, | |
162 | RTYPE_AHI = 5, | |
1c4f3780 RH |
163 | }; |
164 | ||
c8e98e36 SH |
165 | #define RCLASS_SHIFT 3 |
166 | #define RTYPE_MASK 7 | |
167 | ||
168 | static const bfd_reloc_code_real_type or1k_imm16_relocs[][6] = { | |
1c4f3780 | 169 | { BFD_RELOC_LO16, |
c8e98e36 SH |
170 | BFD_RELOC_OR1K_SLO16, |
171 | BFD_RELOC_OR1K_LO13, | |
172 | BFD_RELOC_OR1K_SLO13, | |
1c4f3780 | 173 | BFD_RELOC_HI16, |
c8e98e36 | 174 | BFD_RELOC_HI16_S, }, |
1c4f3780 | 175 | { BFD_RELOC_OR1K_GOT16, |
c8e98e36 SH |
176 | BFD_RELOC_UNUSED, |
177 | BFD_RELOC_OR1K_GOT_LO13, | |
1c4f3780 RH |
178 | BFD_RELOC_UNUSED, |
179 | BFD_RELOC_UNUSED, | |
0b3e14c9 | 180 | BFD_RELOC_OR1K_GOT_AHI16 }, |
1c4f3780 | 181 | { BFD_RELOC_OR1K_GOTPC_LO16, |
1c4f3780 | 182 | BFD_RELOC_UNUSED, |
c8e98e36 SH |
183 | BFD_RELOC_UNUSED, |
184 | BFD_RELOC_UNUSED, | |
185 | BFD_RELOC_OR1K_GOTPC_HI16, | |
1c4f3780 RH |
186 | BFD_RELOC_UNUSED }, |
187 | { BFD_RELOC_LO16_GOTOFF, | |
c8e98e36 SH |
188 | BFD_RELOC_OR1K_GOTOFF_SLO16, |
189 | BFD_RELOC_UNUSED, | |
190 | BFD_RELOC_UNUSED, | |
1c4f3780 | 191 | BFD_RELOC_HI16_GOTOFF, |
c8e98e36 | 192 | BFD_RELOC_HI16_S_GOTOFF }, |
1c4f3780 | 193 | { BFD_RELOC_OR1K_TLS_GD_LO16, |
1c4f3780 | 194 | BFD_RELOC_UNUSED, |
c8e98e36 SH |
195 | BFD_RELOC_OR1K_TLS_GD_LO13, |
196 | BFD_RELOC_UNUSED, | |
197 | BFD_RELOC_OR1K_TLS_GD_HI16, | |
1c4f3780 RH |
198 | BFD_RELOC_UNUSED }, |
199 | { BFD_RELOC_OR1K_TLS_LDM_LO16, | |
1c4f3780 | 200 | BFD_RELOC_UNUSED, |
c8e98e36 SH |
201 | BFD_RELOC_OR1K_TLS_LDM_LO13, |
202 | BFD_RELOC_UNUSED, | |
203 | BFD_RELOC_OR1K_TLS_LDM_HI16, | |
1c4f3780 RH |
204 | BFD_RELOC_UNUSED }, |
205 | { BFD_RELOC_OR1K_TLS_LDO_LO16, | |
1c4f3780 | 206 | BFD_RELOC_UNUSED, |
c8e98e36 SH |
207 | BFD_RELOC_UNUSED, |
208 | BFD_RELOC_UNUSED, | |
209 | BFD_RELOC_OR1K_TLS_LDO_HI16, | |
1c4f3780 RH |
210 | BFD_RELOC_UNUSED }, |
211 | { BFD_RELOC_OR1K_TLS_IE_LO16, | |
c8e98e36 SH |
212 | BFD_RELOC_UNUSED, |
213 | BFD_RELOC_OR1K_TLS_IE_LO13, | |
214 | BFD_RELOC_UNUSED, | |
1c4f3780 | 215 | BFD_RELOC_OR1K_TLS_IE_HI16, |
c8e98e36 | 216 | BFD_RELOC_OR1K_TLS_IE_AHI16 }, |
1c4f3780 | 217 | { BFD_RELOC_OR1K_TLS_LE_LO16, |
c8e98e36 SH |
218 | BFD_RELOC_OR1K_TLS_LE_SLO16, |
219 | BFD_RELOC_UNUSED, | |
220 | BFD_RELOC_UNUSED, | |
1c4f3780 | 221 | BFD_RELOC_OR1K_TLS_LE_HI16, |
c8e98e36 | 222 | BFD_RELOC_OR1K_TLS_LE_AHI16 }, |
1c4f3780 RH |
223 | }; |
224 | ||
225 | static int | |
c8e98e36 | 226 | parse_reloc (const char **strp) |
87e6d782 | 227 | { |
1c4f3780 | 228 | const char *str = *strp; |
c8e98e36 SH |
229 | enum or1k_rclass cls = RCLASS_DIRECT; |
230 | enum or1k_rtype typ; | |
73589c9d | 231 | |
1c4f3780 | 232 | if (strncasecmp (str, "got(", 4) == 0) |
c8e98e36 | 233 | { |
1c4f3780 | 234 | *strp = str + 4; |
c8e98e36 SH |
235 | return (RCLASS_GOT << RCLASS_SHIFT) | RTYPE_LO; |
236 | } | |
237 | if (strncasecmp (str, "gotpo(", 6) == 0) | |
238 | { | |
239 | *strp = str + 6; | |
240 | return (RCLASS_GOT << RCLASS_SHIFT) | RTYPE_PO; | |
241 | } | |
242 | if (strncasecmp (str, "gottppo(", 8) == 0) | |
243 | { | |
244 | *strp = str + 8; | |
245 | return (RCLASS_GOTTPOFF << RCLASS_SHIFT) | RTYPE_PO; | |
246 | } | |
73589c9d | 247 | |
1c4f3780 | 248 | if (strncasecmp (str, "gotpc", 5) == 0) |
c8e98e36 | 249 | { |
1c4f3780 | 250 | str += 5; |
c8e98e36 SH |
251 | cls = RCLASS_GOTPC; |
252 | } | |
1c4f3780 | 253 | else if (strncasecmp (str, "gotoff", 6) == 0) |
c8e98e36 | 254 | { |
1c4f3780 | 255 | str += 6; |
c8e98e36 SH |
256 | cls = RCLASS_GOTOFF; |
257 | } | |
1c4f3780 | 258 | else if (strncasecmp (str, "tlsgd", 5) == 0) |
c8e98e36 | 259 | { |
1c4f3780 | 260 | str += 5; |
c8e98e36 SH |
261 | cls = RCLASS_TLSGD; |
262 | } | |
1c4f3780 | 263 | else if (strncasecmp (str, "tlsldm", 6) == 0) |
c8e98e36 | 264 | { |
1c4f3780 | 265 | str += 6; |
c8e98e36 SH |
266 | cls = RCLASS_TLSLDM; |
267 | } | |
1c4f3780 | 268 | else if (strncasecmp (str, "dtpoff", 6) == 0) |
c8e98e36 | 269 | { |
1c4f3780 | 270 | str += 6; |
c8e98e36 SH |
271 | cls = RCLASS_DTPOFF; |
272 | } | |
1c4f3780 | 273 | else if (strncasecmp (str, "gottpoff", 8) == 0) |
c8e98e36 | 274 | { |
1c4f3780 | 275 | str += 8; |
c8e98e36 SH |
276 | cls = RCLASS_GOTTPOFF; |
277 | } | |
1c4f3780 | 278 | else if (strncasecmp (str, "tpoff", 5) == 0) |
c8e98e36 | 279 | { |
1c4f3780 | 280 | str += 5; |
c8e98e36 SH |
281 | cls = RCLASS_TPOFF; |
282 | } | |
0b3e14c9 SH |
283 | else if (strncasecmp (str, "got", 3) == 0) |
284 | { | |
285 | str += 3; | |
286 | cls = RCLASS_GOT; | |
287 | } | |
87e6d782 | 288 | |
1c4f3780 | 289 | if (strncasecmp (str, "hi(", 3) == 0) |
c8e98e36 | 290 | { |
1c4f3780 | 291 | str += 3; |
c8e98e36 SH |
292 | typ = RTYPE_HI; |
293 | } | |
1c4f3780 | 294 | else if (strncasecmp (str, "lo(", 3) == 0) |
c8e98e36 | 295 | { |
1c4f3780 | 296 | str += 3; |
c8e98e36 SH |
297 | typ = RTYPE_LO; |
298 | } | |
1c4f3780 | 299 | else if (strncasecmp (str, "ha(", 3) == 0) |
c8e98e36 | 300 | { |
1c4f3780 | 301 | str += 3; |
c8e98e36 SH |
302 | typ = RTYPE_AHI; |
303 | } | |
304 | else if (strncasecmp (str, "po(", 3) == 0 && cls != RCLASS_GOTTPOFF) | |
305 | { | |
306 | str += 3; | |
307 | typ = RTYPE_PO; | |
308 | } | |
1c4f3780 RH |
309 | else |
310 | return -1; | |
73589c9d | 311 | |
1c4f3780 | 312 | *strp = str; |
c8e98e36 | 313 | return (cls << RCLASS_SHIFT) | typ; |
1c4f3780 | 314 | } |
8f807746 | 315 | |
1c4f3780 RH |
316 | static const char * |
317 | parse_imm16 (CGEN_CPU_DESC cd, const char **strp, int opindex, | |
318 | long *valuep, int splitp) | |
319 | { | |
320 | const char *errmsg; | |
321 | enum cgen_parse_operand_result result_type; | |
322 | bfd_reloc_code_real_type reloc = BFD_RELOC_UNUSED; | |
c8e98e36 SH |
323 | enum or1k_rtype reloc_type; |
324 | int reloc_code; | |
1c4f3780 | 325 | bfd_vma ret; |
73589c9d | 326 | |
1c4f3780 | 327 | if (**strp == '#') |
c8e98e36 | 328 | ++*strp; |
1c4f3780 | 329 | |
c8e98e36 SH |
330 | reloc_code = parse_reloc (strp); |
331 | reloc_type = reloc_code & RTYPE_MASK; | |
332 | if (reloc_code >= 0) | |
1c4f3780 | 333 | { |
c8e98e36 | 334 | enum or1k_rclass reloc_class = reloc_code >> RCLASS_SHIFT; |
1c4f3780 RH |
335 | if (splitp) |
336 | { | |
c8e98e36 SH |
337 | if ((reloc_type == RTYPE_LO || reloc_type == RTYPE_PO) |
338 | && reloc_class != RCLASS_GOT) | |
339 | /* If split we or up the type to RTYPE_SLO or RTYPE_SPO. */ | |
340 | reloc_type |= 1; | |
1c4f3780 RH |
341 | else |
342 | return INVALID_STORE_RELOC; | |
c8e98e36 SH |
343 | } |
344 | reloc = or1k_imm16_relocs[reloc_class][reloc_type]; | |
1c4f3780 RH |
345 | } |
346 | ||
347 | if (reloc != BFD_RELOC_UNUSED) | |
73589c9d CS |
348 | { |
349 | bfd_vma value; | |
350 | ||
1c4f3780 | 351 | errmsg = cgen_parse_address (cd, strp, opindex, reloc, |
c151b1c6 | 352 | &result_type, &value); |
73589c9d | 353 | if (**strp != ')') |
1c4f3780 | 354 | errmsg = MISSING_CLOSING_PARENTHESIS; |
73589c9d | 355 | ++*strp; |
73589c9d | 356 | |
1c4f3780 | 357 | ret = value; |
73589c9d | 358 | |
1c4f3780 | 359 | if (errmsg == NULL && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
c8e98e36 SH |
360 | switch (reloc_type) |
361 | { | |
1c4f3780 RH |
362 | case RTYPE_AHI: |
363 | ret += 0x8000; | |
364 | /* FALLTHRU */ | |
365 | case RTYPE_HI: | |
366 | ret >>= 16; | |
367 | /* FALLTHRU */ | |
368 | case RTYPE_LO: | |
369 | case RTYPE_SLO: | |
370 | ret &= 0xffff; | |
371 | ret = (ret ^ 0x8000) - 0x8000; | |
372 | break; | |
c8e98e36 SH |
373 | case RTYPE_PO: |
374 | case RTYPE_SPO: | |
375 | ret &= 0x1fff; | |
376 | break; | |
1c4f3780 RH |
377 | default: |
378 | errmsg = INVALID_RELOC_TYPE; | |
379 | } | |
73589c9d CS |
380 | } |
381 | else | |
382 | { | |
383 | long value; | |
384 | errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value); | |
385 | ret = value; | |
386 | } | |
387 | ||
388 | if (errmsg == NULL) | |
389 | *valuep = ret; | |
390 | ||
391 | return errmsg; | |
392 | } | |
393 | ||
394 | static const char * | |
1c4f3780 RH |
395 | parse_simm16 (CGEN_CPU_DESC cd, const char **strp, int opindex, long *valuep) |
396 | { | |
397 | return parse_imm16(cd, strp, opindex, (long *) valuep, 0); | |
398 | } | |
399 | ||
400 | static const char * | |
401 | parse_simm16_split (CGEN_CPU_DESC cd, const char **strp, int opindex, | |
402 | long *valuep) | |
73589c9d | 403 | { |
1c4f3780 RH |
404 | return parse_imm16(cd, strp, opindex, (long *) valuep, 1); |
405 | } | |
c151b1c6 | 406 | |
1c4f3780 RH |
407 | static const char * |
408 | parse_uimm16 (CGEN_CPU_DESC cd, const char **strp, int opindex, | |
409 | unsigned long *valuep) | |
410 | { | |
411 | const char *errmsg = parse_imm16(cd, strp, opindex, (long *) valuep, 0); | |
412 | if (errmsg == NULL) | |
413 | *valuep &= 0xffff; | |
414 | return errmsg; | |
415 | } | |
416 | ||
417 | static const char * | |
418 | parse_uimm16_split (CGEN_CPU_DESC cd, const char **strp, int opindex, | |
419 | unsigned long *valuep) | |
420 | { | |
421 | const char *errmsg = parse_imm16(cd, strp, opindex, (long *) valuep, 1); | |
73589c9d CS |
422 | if (errmsg == NULL) |
423 | *valuep &= 0xffff; | |
87e6d782 NC |
424 | return errmsg; |
425 | } | |
426 | ||
e4c4ac46 SH |
427 | /* Parse register pairs with syntax rA,rB to a flag + rA value. */ |
428 | ||
429 | static const char * | |
430 | parse_regpair (CGEN_CPU_DESC cd, const char **strp, | |
431 | int opindex ATTRIBUTE_UNUSED, unsigned long *valuep) | |
432 | { | |
433 | long reg1_index; | |
434 | long reg2_index; | |
435 | const char *errmsg; | |
436 | ||
437 | /* The first part should just be a register. */ | |
438 | errmsg = cgen_parse_keyword (cd, strp, &or1k_cgen_opval_h_gpr, | |
439 | ®1_index); | |
440 | ||
441 | /* If that worked skip the comma separator. */ | |
442 | if (errmsg == NULL) | |
443 | { | |
444 | if (**strp == ',') | |
445 | ++*strp; | |
446 | else | |
447 | errmsg = "Unexpected character, expected ','"; | |
448 | } | |
449 | ||
450 | /* If that worked the next part is just another register. */ | |
451 | if (errmsg == NULL) | |
452 | errmsg = cgen_parse_keyword (cd, strp, &or1k_cgen_opval_h_gpr, | |
453 | ®2_index); | |
454 | ||
455 | /* Validate the register pair is valid and create the output value. */ | |
456 | if (errmsg == NULL) | |
457 | { | |
458 | int regoffset = reg2_index - reg1_index; | |
459 | ||
460 | if (regoffset == 1 || regoffset == 2) | |
461 | { | |
462 | unsigned short offsetmask; | |
463 | unsigned short value; | |
464 | ||
465 | offsetmask = ((regoffset == 2 ? 1 : 0) << 5); | |
466 | value = offsetmask | reg1_index; | |
467 | ||
468 | *valuep = value; | |
469 | } | |
470 | else | |
471 | errmsg = "Invalid register pair, offset not 1 or 2."; | |
472 | } | |
473 | ||
474 | return errmsg; | |
475 | } | |
476 | ||
87e6d782 NC |
477 | /* -- */ |
478 | ||
73589c9d | 479 | const char * or1k_cgen_parse_operand |
47b0e7ad | 480 | (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *); |
0e2ee3ca | 481 | |
87e6d782 NC |
482 | /* Main entry point for operand parsing. |
483 | ||
484 | This function is basically just a big switch statement. Earlier versions | |
485 | used tables to look up the function to use, but | |
486 | - if the table contains both assembler and disassembler functions then | |
487 | the disassembler contains much of the assembler and vice-versa, | |
488 | - there's a lot of inlining possibilities as things grow, | |
489 | - using a switch statement avoids the function call overhead. | |
490 | ||
491 | This function could be moved into `parse_insn_normal', but keeping it | |
492 | separate makes clear the interface between `parse_insn_normal' and each of | |
9a2e995d | 493 | the handlers. */ |
87e6d782 NC |
494 | |
495 | const char * | |
73589c9d | 496 | or1k_cgen_parse_operand (CGEN_CPU_DESC cd, |
47b0e7ad NC |
497 | int opindex, |
498 | const char ** strp, | |
499 | CGEN_FIELDS * fields) | |
87e6d782 NC |
500 | { |
501 | const char * errmsg = NULL; | |
502 | /* Used by scalar operands that still need to be parsed. */ | |
fc05c67f | 503 | long junk ATTRIBUTE_UNUSED; |
87e6d782 NC |
504 | |
505 | switch (opindex) | |
506 | { | |
c8e98e36 SH |
507 | case OR1K_OPERAND_DISP21 : |
508 | { | |
509 | bfd_vma value = 0; | |
510 | errmsg = parse_disp21 (cd, strp, OR1K_OPERAND_DISP21, 0, NULL, & value); | |
511 | fields->f_disp21 = value; | |
512 | } | |
513 | break; | |
73589c9d | 514 | case OR1K_OPERAND_DISP26 : |
87e6d782 | 515 | { |
9494d739 | 516 | bfd_vma value = 0; |
73589c9d | 517 | errmsg = parse_disp26 (cd, strp, OR1K_OPERAND_DISP26, 0, NULL, & value); |
87e6d782 NC |
518 | fields->f_disp26 = value; |
519 | } | |
520 | break; | |
73589c9d CS |
521 | case OR1K_OPERAND_RA : |
522 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r2); | |
523 | break; | |
e4c4ac46 SH |
524 | case OR1K_OPERAND_RAD32F : |
525 | errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RAD32F, (unsigned long *) (& fields->f_rad32)); | |
526 | break; | |
e4c4ac46 SH |
527 | case OR1K_OPERAND_RADI : |
528 | errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RADI, (unsigned long *) (& fields->f_rad32)); | |
87e6d782 | 529 | break; |
73589c9d CS |
530 | case OR1K_OPERAND_RASF : |
531 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r2); | |
87e6d782 | 532 | break; |
73589c9d CS |
533 | case OR1K_OPERAND_RB : |
534 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r3); | |
87e6d782 | 535 | break; |
e4c4ac46 SH |
536 | case OR1K_OPERAND_RBD32F : |
537 | errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RBD32F, (unsigned long *) (& fields->f_rbd32)); | |
538 | break; | |
e4c4ac46 SH |
539 | case OR1K_OPERAND_RBDI : |
540 | errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RBDI, (unsigned long *) (& fields->f_rbd32)); | |
87e6d782 | 541 | break; |
73589c9d CS |
542 | case OR1K_OPERAND_RBSF : |
543 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r3); | |
87e6d782 | 544 | break; |
73589c9d CS |
545 | case OR1K_OPERAND_RD : |
546 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r1); | |
87e6d782 | 547 | break; |
e4c4ac46 SH |
548 | case OR1K_OPERAND_RDD32F : |
549 | errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RDD32F, (unsigned long *) (& fields->f_rdd32)); | |
550 | break; | |
e4c4ac46 SH |
551 | case OR1K_OPERAND_RDDI : |
552 | errmsg = parse_regpair (cd, strp, OR1K_OPERAND_RDDI, (unsigned long *) (& fields->f_rdd32)); | |
553 | break; | |
73589c9d CS |
554 | case OR1K_OPERAND_RDSF : |
555 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r1); | |
87e6d782 | 556 | break; |
73589c9d CS |
557 | case OR1K_OPERAND_SIMM16 : |
558 | errmsg = parse_simm16 (cd, strp, OR1K_OPERAND_SIMM16, (long *) (& fields->f_simm16)); | |
87e6d782 | 559 | break; |
73589c9d | 560 | case OR1K_OPERAND_SIMM16_SPLIT : |
1c4f3780 | 561 | errmsg = parse_simm16_split (cd, strp, OR1K_OPERAND_SIMM16_SPLIT, (long *) (& fields->f_simm16_split)); |
87e6d782 | 562 | break; |
73589c9d CS |
563 | case OR1K_OPERAND_UIMM16 : |
564 | errmsg = parse_uimm16 (cd, strp, OR1K_OPERAND_UIMM16, (unsigned long *) (& fields->f_uimm16)); | |
565 | break; | |
566 | case OR1K_OPERAND_UIMM16_SPLIT : | |
1c4f3780 | 567 | errmsg = parse_uimm16_split (cd, strp, OR1K_OPERAND_UIMM16_SPLIT, (unsigned long *) (& fields->f_uimm16_split)); |
73589c9d CS |
568 | break; |
569 | case OR1K_OPERAND_UIMM6 : | |
570 | errmsg = cgen_parse_unsigned_integer (cd, strp, OR1K_OPERAND_UIMM6, (unsigned long *) (& fields->f_uimm6)); | |
87e6d782 NC |
571 | break; |
572 | ||
573 | default : | |
574 | /* xgettext:c-format */ | |
a6743a54 AM |
575 | opcodes_error_handler |
576 | (_("internal error: unrecognized field %d while parsing"), | |
577 | opindex); | |
87e6d782 NC |
578 | abort (); |
579 | } | |
580 | ||
581 | return errmsg; | |
582 | } | |
583 | ||
43e65147 | 584 | cgen_parse_fn * const or1k_cgen_parse_handlers[] = |
87e6d782 NC |
585 | { |
586 | parse_insn_normal, | |
587 | }; | |
588 | ||
589 | void | |
73589c9d | 590 | or1k_cgen_init_asm (CGEN_CPU_DESC cd) |
87e6d782 | 591 | { |
73589c9d CS |
592 | or1k_cgen_init_opcode_table (cd); |
593 | or1k_cgen_init_ibld_table (cd); | |
594 | cd->parse_handlers = & or1k_cgen_parse_handlers[0]; | |
595 | cd->parse_operand = or1k_cgen_parse_operand; | |
1620f33d AM |
596 | #ifdef CGEN_ASM_INIT_HOOK |
597 | CGEN_ASM_INIT_HOOK | |
598 | #endif | |
87e6d782 NC |
599 | } |
600 | ||
fc7bc883 RH |
601 | \f |
602 | ||
37111cc7 | 603 | /* Regex construction routine. |
fc7bc883 | 604 | |
37111cc7 NC |
605 | This translates an opcode syntax string into a regex string, |
606 | by replacing any non-character syntax element (such as an | |
607 | opcode) with the pattern '.*' | |
fc7bc883 | 608 | |
37111cc7 | 609 | It then compiles the regex and stores it in the opcode, for |
73589c9d | 610 | later use by or1k_cgen_assemble_insn |
fc7bc883 | 611 | |
37111cc7 | 612 | Returns NULL for success, an error message for failure. */ |
fc7bc883 | 613 | |
43e65147 | 614 | char * |
73589c9d | 615 | or1k_cgen_build_insn_regex (CGEN_INSN *insn) |
43e65147 | 616 | { |
fc05c67f | 617 | CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn); |
fc7bc883 | 618 | const char *mnem = CGEN_INSN_MNEMONIC (insn); |
fc7bc883 RH |
619 | char rxbuf[CGEN_MAX_RX_ELEMENTS]; |
620 | char *rx = rxbuf; | |
621 | const CGEN_SYNTAX_CHAR_TYPE *syn; | |
622 | int reg_err; | |
623 | ||
624 | syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc)); | |
625 | ||
f3a55c17 NC |
626 | /* Mnemonics come first in the syntax string. */ |
627 | if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) | |
628 | return _("missing mnemonic in syntax string"); | |
fc7bc883 RH |
629 | ++syn; |
630 | ||
f3a55c17 NC |
631 | /* Generate a case sensitive regular expression that emulates case |
632 | insensitive matching in the "C" locale. We cannot generate a case | |
633 | insensitive regular expression because in Turkish locales, 'i' and 'I' | |
634 | are not equal modulo case conversion. */ | |
fc7bc883 | 635 | |
f3a55c17 NC |
636 | /* Copy the literal mnemonic out of the insn. */ |
637 | for (; *mnem; mnem++) | |
638 | { | |
639 | char c = *mnem; | |
640 | ||
641 | if (ISALPHA (c)) | |
642 | { | |
643 | *rx++ = '['; | |
644 | *rx++ = TOLOWER (c); | |
645 | *rx++ = TOUPPER (c); | |
646 | *rx++ = ']'; | |
647 | } | |
648 | else | |
649 | *rx++ = c; | |
650 | } | |
651 | ||
652 | /* Copy any remaining literals from the syntax string into the rx. */ | |
653 | for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn) | |
fc7bc883 | 654 | { |
43e65147 | 655 | if (CGEN_SYNTAX_CHAR_P (* syn)) |
fc7bc883 | 656 | { |
f3a55c17 NC |
657 | char c = CGEN_SYNTAX_CHAR (* syn); |
658 | ||
43e65147 | 659 | switch (c) |
f3a55c17 NC |
660 | { |
661 | /* Escape any regex metacharacters in the syntax. */ | |
43e65147 L |
662 | case '.': case '[': case '\\': |
663 | case '*': case '^': case '$': | |
fc7bc883 RH |
664 | |
665 | #ifdef CGEN_ESCAPE_EXTENDED_REGEX | |
43e65147 | 666 | case '?': case '{': case '}': |
f3a55c17 NC |
667 | case '(': case ')': case '*': |
668 | case '|': case '+': case ']': | |
fc7bc883 | 669 | #endif |
f3a55c17 NC |
670 | *rx++ = '\\'; |
671 | *rx++ = c; | |
672 | break; | |
673 | ||
674 | default: | |
675 | if (ISALPHA (c)) | |
676 | { | |
677 | *rx++ = '['; | |
678 | *rx++ = TOLOWER (c); | |
679 | *rx++ = TOUPPER (c); | |
680 | *rx++ = ']'; | |
681 | } | |
682 | else | |
683 | *rx++ = c; | |
684 | break; | |
685 | } | |
fc7bc883 RH |
686 | } |
687 | else | |
688 | { | |
f3a55c17 NC |
689 | /* Replace non-syntax fields with globs. */ |
690 | *rx++ = '.'; | |
691 | *rx++ = '*'; | |
fc7bc883 RH |
692 | } |
693 | } | |
694 | ||
f3a55c17 | 695 | /* Trailing whitespace ok. */ |
43e65147 L |
696 | * rx++ = '['; |
697 | * rx++ = ' '; | |
698 | * rx++ = '\t'; | |
699 | * rx++ = ']'; | |
700 | * rx++ = '*'; | |
fc7bc883 | 701 | |
f3a55c17 | 702 | /* But anchor it after that. */ |
43e65147 | 703 | * rx++ = '$'; |
fc7bc883 RH |
704 | * rx = '\0'; |
705 | ||
706 | CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t)); | |
f3a55c17 | 707 | reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB); |
fc7bc883 | 708 | |
43e65147 | 709 | if (reg_err == 0) |
fc7bc883 RH |
710 | return NULL; |
711 | else | |
712 | { | |
713 | static char msg[80]; | |
f3a55c17 | 714 | |
fc7bc883 RH |
715 | regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80); |
716 | regfree ((regex_t *) CGEN_INSN_RX (insn)); | |
717 | free (CGEN_INSN_RX (insn)); | |
718 | (CGEN_INSN_RX (insn)) = NULL; | |
37111cc7 | 719 | return msg; |
fc7bc883 RH |
720 | } |
721 | } | |
722 | ||
87e6d782 NC |
723 | \f |
724 | /* Default insn parser. | |
725 | ||
726 | The syntax string is scanned and operands are parsed and stored in FIELDS. | |
727 | Relocs are queued as we go via other callbacks. | |
728 | ||
729 | ??? Note that this is currently an all-or-nothing parser. If we fail to | |
730 | parse the instruction, we return 0 and the caller will start over from | |
731 | the beginning. Backtracking will be necessary in parsing subexpressions, | |
732 | but that can be handled there. Not handling backtracking here may get | |
733 | expensive in the case of the m68k. Deal with later. | |
734 | ||
f3a55c17 | 735 | Returns NULL for success, an error message for failure. */ |
87e6d782 NC |
736 | |
737 | static const char * | |
ffead7ae MM |
738 | parse_insn_normal (CGEN_CPU_DESC cd, |
739 | const CGEN_INSN *insn, | |
740 | const char **strp, | |
741 | CGEN_FIELDS *fields) | |
87e6d782 NC |
742 | { |
743 | /* ??? Runtime added insns not handled yet. */ | |
744 | const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); | |
745 | const char *str = *strp; | |
746 | const char *errmsg; | |
747 | const char *p; | |
748 | const CGEN_SYNTAX_CHAR_TYPE * syn; | |
749 | #ifdef CGEN_MNEMONIC_OPERANDS | |
750 | /* FIXME: wip */ | |
751 | int past_opcode_p; | |
752 | #endif | |
753 | ||
754 | /* For now we assume the mnemonic is first (there are no leading operands). | |
755 | We can parse it without needing to set up operand parsing. | |
756 | GAS's input scrubber will ensure mnemonics are lowercase, but we may | |
757 | not be called from GAS. */ | |
758 | p = CGEN_INSN_MNEMONIC (insn); | |
37111cc7 | 759 | while (*p && TOLOWER (*p) == TOLOWER (*str)) |
87e6d782 NC |
760 | ++p, ++str; |
761 | ||
762 | if (* p) | |
763 | return _("unrecognized instruction"); | |
764 | ||
765 | #ifndef CGEN_MNEMONIC_OPERANDS | |
37111cc7 | 766 | if (* str && ! ISSPACE (* str)) |
87e6d782 NC |
767 | return _("unrecognized instruction"); |
768 | #endif | |
769 | ||
770 | CGEN_INIT_PARSE (cd); | |
771 | cgen_init_parse_operand (cd); | |
772 | #ifdef CGEN_MNEMONIC_OPERANDS | |
773 | past_opcode_p = 0; | |
774 | #endif | |
775 | ||
776 | /* We don't check for (*str != '\0') here because we want to parse | |
777 | any trailing fake arguments in the syntax string. */ | |
778 | syn = CGEN_SYNTAX_STRING (syntax); | |
779 | ||
780 | /* Mnemonics come first for now, ensure valid string. */ | |
781 | if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) | |
782 | abort (); | |
783 | ||
784 | ++syn; | |
785 | ||
786 | while (* syn != 0) | |
787 | { | |
788 | /* Non operand chars must match exactly. */ | |
789 | if (CGEN_SYNTAX_CHAR_P (* syn)) | |
790 | { | |
791 | /* FIXME: While we allow for non-GAS callers above, we assume the | |
792 | first char after the mnemonic part is a space. */ | |
793 | /* FIXME: We also take inappropriate advantage of the fact that | |
794 | GAS's input scrubber will remove extraneous blanks. */ | |
37111cc7 | 795 | if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn))) |
87e6d782 NC |
796 | { |
797 | #ifdef CGEN_MNEMONIC_OPERANDS | |
798 | if (CGEN_SYNTAX_CHAR(* syn) == ' ') | |
799 | past_opcode_p = 1; | |
800 | #endif | |
801 | ++ syn; | |
802 | ++ str; | |
803 | } | |
804 | else if (*str) | |
805 | { | |
806 | /* Syntax char didn't match. Can't be this insn. */ | |
807 | static char msg [80]; | |
f3a55c17 | 808 | |
87e6d782 NC |
809 | /* xgettext:c-format */ |
810 | sprintf (msg, _("syntax error (expected char `%c', found `%c')"), | |
811 | CGEN_SYNTAX_CHAR(*syn), *str); | |
812 | return msg; | |
813 | } | |
814 | else | |
815 | { | |
816 | /* Ran out of input. */ | |
817 | static char msg [80]; | |
f3a55c17 | 818 | |
87e6d782 NC |
819 | /* xgettext:c-format */ |
820 | sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"), | |
821 | CGEN_SYNTAX_CHAR(*syn)); | |
822 | return msg; | |
823 | } | |
824 | continue; | |
825 | } | |
826 | ||
c7e2358a AM |
827 | #ifdef CGEN_MNEMONIC_OPERANDS |
828 | (void) past_opcode_p; | |
829 | #endif | |
87e6d782 | 830 | /* We have an operand of some sort. */ |
c7e2358a | 831 | errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields); |
87e6d782 NC |
832 | if (errmsg) |
833 | return errmsg; | |
834 | ||
835 | /* Done with this operand, continue with next one. */ | |
836 | ++ syn; | |
837 | } | |
838 | ||
839 | /* If we're at the end of the syntax string, we're done. */ | |
840 | if (* syn == 0) | |
841 | { | |
842 | /* FIXME: For the moment we assume a valid `str' can only contain | |
843 | blanks now. IE: We needn't try again with a longer version of | |
844 | the insn and it is assumed that longer versions of insns appear | |
845 | before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */ | |
37111cc7 | 846 | while (ISSPACE (* str)) |
87e6d782 NC |
847 | ++ str; |
848 | ||
849 | if (* str != '\0') | |
850 | return _("junk at end of line"); /* FIXME: would like to include `str' */ | |
851 | ||
852 | return NULL; | |
853 | } | |
854 | ||
855 | /* We couldn't parse it. */ | |
856 | return _("unrecognized instruction"); | |
857 | } | |
858 | \f | |
859 | /* Main entry point. | |
860 | This routine is called for each instruction to be assembled. | |
861 | STR points to the insn to be assembled. | |
862 | We assume all necessary tables have been initialized. | |
863 | The assembled instruction, less any fixups, is stored in BUF. | |
864 | Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value | |
865 | still needs to be converted to target byte order, otherwise BUF is an array | |
866 | of bytes in target byte order. | |
867 | The result is a pointer to the insn's entry in the opcode table, | |
868 | or NULL if an error occured (an error message will have already been | |
869 | printed). | |
870 | ||
871 | Note that when processing (non-alias) macro-insns, | |
872 | this function recurses. | |
873 | ||
874 | ??? It's possible to make this cpu-independent. | |
875 | One would have to deal with a few minor things. | |
876 | At this point in time doing so would be more of a curiosity than useful | |
877 | [for example this file isn't _that_ big], but keeping the possibility in | |
878 | mind helps keep the design clean. */ | |
879 | ||
880 | const CGEN_INSN * | |
73589c9d | 881 | or1k_cgen_assemble_insn (CGEN_CPU_DESC cd, |
ffead7ae MM |
882 | const char *str, |
883 | CGEN_FIELDS *fields, | |
884 | CGEN_INSN_BYTES_PTR buf, | |
885 | char **errmsg) | |
87e6d782 NC |
886 | { |
887 | const char *start; | |
888 | CGEN_INSN_LIST *ilist; | |
889 | const char *parse_errmsg = NULL; | |
890 | const char *insert_errmsg = NULL; | |
fc7bc883 | 891 | int recognized_mnemonic = 0; |
87e6d782 NC |
892 | |
893 | /* Skip leading white space. */ | |
37111cc7 | 894 | while (ISSPACE (* str)) |
87e6d782 NC |
895 | ++ str; |
896 | ||
897 | /* The instructions are stored in hashed lists. | |
898 | Get the first in the list. */ | |
899 | ilist = CGEN_ASM_LOOKUP_INSN (cd, str); | |
900 | ||
901 | /* Keep looking until we find a match. */ | |
87e6d782 NC |
902 | start = str; |
903 | for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist)) | |
904 | { | |
905 | const CGEN_INSN *insn = ilist->insn; | |
fc7bc883 | 906 | recognized_mnemonic = 1; |
87e6d782 | 907 | |
43e65147 | 908 | #ifdef CGEN_VALIDATE_INSN_SUPPORTED |
f3a55c17 NC |
909 | /* Not usually needed as unsupported opcodes |
910 | shouldn't be in the hash lists. */ | |
87e6d782 | 911 | /* Is this insn supported by the selected cpu? */ |
73589c9d | 912 | if (! or1k_cgen_insn_supported (cd, insn)) |
87e6d782 NC |
913 | continue; |
914 | #endif | |
b11dcf4e | 915 | /* If the RELAXED attribute is set, this is an insn that shouldn't be |
87e6d782 NC |
916 | chosen immediately. Instead, it is used during assembler/linker |
917 | relaxation if possible. */ | |
b11dcf4e | 918 | if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0) |
87e6d782 NC |
919 | continue; |
920 | ||
921 | str = start; | |
922 | ||
f3a55c17 | 923 | /* Skip this insn if str doesn't look right lexically. */ |
fc7bc883 RH |
924 | if (CGEN_INSN_RX (insn) != NULL && |
925 | regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH) | |
926 | continue; | |
927 | ||
87e6d782 NC |
928 | /* Allow parse/insert handlers to obtain length of insn. */ |
929 | CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); | |
930 | ||
931 | parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields); | |
932 | if (parse_errmsg != NULL) | |
933 | continue; | |
934 | ||
f3a55c17 | 935 | /* ??? 0 is passed for `pc'. */ |
87e6d782 NC |
936 | insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf, |
937 | (bfd_vma) 0); | |
938 | if (insert_errmsg != NULL) | |
939 | continue; | |
940 | ||
941 | /* It is up to the caller to actually output the insn and any | |
942 | queued relocs. */ | |
943 | return insn; | |
944 | } | |
945 | ||
946 | { | |
947 | static char errbuf[150]; | |
87e6d782 | 948 | const char *tmp_errmsg; |
c7e2358a AM |
949 | #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS |
950 | #define be_verbose 1 | |
87e6d782 | 951 | #else |
c7e2358a | 952 | #define be_verbose 0 |
87e6d782 | 953 | #endif |
c7e2358a AM |
954 | |
955 | if (be_verbose) | |
956 | { | |
957 | /* If requesting verbose error messages, use insert_errmsg. | |
958 | Failing that, use parse_errmsg. */ | |
959 | tmp_errmsg = (insert_errmsg ? insert_errmsg : | |
960 | parse_errmsg ? parse_errmsg : | |
961 | recognized_mnemonic ? | |
962 | _("unrecognized form of instruction") : | |
963 | _("unrecognized instruction")); | |
964 | ||
965 | if (strlen (start) > 50) | |
966 | /* xgettext:c-format */ | |
967 | sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start); | |
43e65147 | 968 | else |
c7e2358a AM |
969 | /* xgettext:c-format */ |
970 | sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start); | |
971 | } | |
972 | else | |
973 | { | |
974 | if (strlen (start) > 50) | |
975 | /* xgettext:c-format */ | |
976 | sprintf (errbuf, _("bad instruction `%.50s...'"), start); | |
43e65147 | 977 | else |
c7e2358a AM |
978 | /* xgettext:c-format */ |
979 | sprintf (errbuf, _("bad instruction `%.50s'"), start); | |
980 | } | |
43e65147 | 981 | |
87e6d782 NC |
982 | *errmsg = errbuf; |
983 | return NULL; | |
984 | } | |
985 | } |