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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 | |
219d1afa | 8 | Copyright (C) 1996-2018 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 `)'"); |
87e6d782 | 55 | |
47b0e7ad | 56 | #define CGEN_VERBOSE_ASSEMBLER_ERRORS |
0e2ee3ca | 57 | |
73589c9d CS |
58 | static const char * |
59 | parse_disp26 (CGEN_CPU_DESC cd, | |
c151b1c6 AM |
60 | const char ** strp, |
61 | int opindex, | |
62 | int opinfo, | |
63 | enum cgen_parse_operand_result * resultp, | |
64 | bfd_vma * valuep) | |
87e6d782 | 65 | { |
73589c9d CS |
66 | const char *errmsg = NULL; |
67 | enum cgen_parse_operand_result result_type; | |
87e6d782 | 68 | |
73589c9d CS |
69 | if (strncasecmp (*strp, "plt(", 4) == 0) |
70 | { | |
71 | bfd_vma value; | |
72 | ||
73 | *strp += 4; | |
74 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_OR1K_PLT26, | |
c151b1c6 | 75 | & result_type, & value); |
73589c9d | 76 | if (**strp != ')') |
c151b1c6 | 77 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
78 | ++*strp; |
79 | if (errmsg == NULL | |
c151b1c6 AM |
80 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
81 | value = (value >> 2) & 0xffff; | |
73589c9d CS |
82 | *valuep = value; |
83 | return errmsg; | |
84 | } | |
85 | return cgen_parse_address (cd, strp, opindex, opinfo, resultp, valuep); | |
86 | } | |
87e6d782 NC |
87 | |
88 | static const char * | |
73589c9d | 89 | parse_simm16 (CGEN_CPU_DESC cd, const char ** strp, int opindex, long * valuep) |
87e6d782 NC |
90 | { |
91 | const char *errmsg; | |
92 | enum cgen_parse_operand_result result_type; | |
73589c9d | 93 | long ret; |
87e6d782 NC |
94 | |
95 | if (**strp == '#') | |
96 | ++*strp; | |
97 | ||
98 | if (strncasecmp (*strp, "hi(", 3) == 0) | |
99 | { | |
8f807746 | 100 | bfd_vma value; |
87e6d782 | 101 | |
8f807746 | 102 | *strp += 3; |
33b71eeb | 103 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_HI16, |
c151b1c6 | 104 | & result_type, & value); |
73589c9d | 105 | if (**strp != ')') |
c151b1c6 | 106 | errmsg = MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
107 | ++*strp; |
108 | ||
109 | ret = value; | |
110 | ||
111 | if (errmsg == NULL | |
112 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
113 | { | |
114 | ret >>= 16; | |
115 | ret &= 0xffff; | |
116 | ret = (ret ^ 0x8000) - 0x8000; | |
117 | } | |
118 | } | |
119 | else if (strncasecmp (*strp, "lo(", 3) == 0) | |
120 | { | |
121 | bfd_vma value; | |
122 | ||
123 | *strp += 3; | |
124 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_LO16, | |
c151b1c6 | 125 | & result_type, & value); |
87e6d782 | 126 | if (**strp != ')') |
c151b1c6 | 127 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d | 128 | ++*strp; |
c151b1c6 | 129 | |
73589c9d CS |
130 | ret = value; |
131 | ||
132 | if (result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
133 | { | |
134 | ret &= 0xffff; | |
135 | ret = (ret ^ 0x8000) - 0x8000; | |
136 | } | |
137 | } | |
138 | else if (strncasecmp (*strp, "got(", 4) == 0) | |
139 | { | |
140 | bfd_vma value; | |
8f807746 | 141 | |
73589c9d CS |
142 | *strp += 4; |
143 | errmsg = cgen_parse_address (cd, strp, opindex, BFD_RELOC_OR1K_GOT16, | |
c151b1c6 | 144 | & result_type, & value); |
73589c9d | 145 | if (**strp != ')') |
c151b1c6 | 146 | return MISSING_CLOSING_PARENTHESIS; |
87e6d782 NC |
147 | ++*strp; |
148 | if (errmsg == NULL | |
c151b1c6 AM |
149 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
150 | value &= 0xffff; | |
73589c9d CS |
151 | *valuep = value; |
152 | return errmsg; | |
87e6d782 | 153 | } |
73589c9d | 154 | else if (strncasecmp (*strp, "gotpchi(", 8) == 0) |
87e6d782 | 155 | { |
73589c9d | 156 | bfd_vma value; |
33b71eeb | 157 | |
73589c9d CS |
158 | *strp += 8; |
159 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
160 | BFD_RELOC_OR1K_GOTPC_HI16, |
161 | & result_type, & value); | |
73589c9d | 162 | if (**strp != ')') |
c151b1c6 | 163 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
164 | ++*strp; |
165 | if (errmsg == NULL | |
c151b1c6 AM |
166 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
167 | value = (value >> 16) & 0xffff; | |
73589c9d CS |
168 | *valuep = value; |
169 | return errmsg; | |
170 | } | |
171 | else if (strncasecmp (*strp, "gotpclo(", 8) == 0) | |
172 | { | |
173 | bfd_vma value; | |
33b71eeb | 174 | |
73589c9d CS |
175 | *strp += 8; |
176 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
177 | BFD_RELOC_OR1K_GOTPC_LO16, |
178 | &result_type, &value); | |
73589c9d | 179 | if (**strp != ')') |
c151b1c6 | 180 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
181 | ++*strp; |
182 | if (errmsg == NULL | |
c151b1c6 AM |
183 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
184 | value &= 0xffff; | |
73589c9d CS |
185 | *valuep = value; |
186 | return errmsg; | |
87e6d782 | 187 | } |
73589c9d CS |
188 | else if (strncasecmp (*strp, "gotoffhi(", 9) == 0) |
189 | { | |
190 | bfd_vma value; | |
8f807746 | 191 | |
73589c9d CS |
192 | *strp += 9; |
193 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
194 | BFD_RELOC_OR1K_GOTOFF_HI16, |
195 | & result_type, & value); | |
87e6d782 | 196 | |
73589c9d | 197 | if (**strp != ')') |
c151b1c6 | 198 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
199 | ++*strp; |
200 | if (errmsg == NULL | |
c151b1c6 AM |
201 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
202 | value = (value >> 16) & 0xffff; | |
73589c9d CS |
203 | *valuep = value; |
204 | return errmsg; | |
205 | } | |
206 | else if (strncasecmp (*strp, "gotofflo(", 9) == 0) | |
207 | { | |
208 | bfd_vma value; | |
87e6d782 | 209 | |
73589c9d CS |
210 | *strp += 9; |
211 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
212 | BFD_RELOC_OR1K_GOTOFF_LO16, |
213 | &result_type, &value); | |
73589c9d | 214 | if (**strp != ')') |
c151b1c6 | 215 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
216 | ++*strp; |
217 | if (errmsg == NULL | |
c151b1c6 AM |
218 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
219 | value &= 0xffff; | |
73589c9d CS |
220 | *valuep = value; |
221 | return errmsg; | |
222 | } | |
223 | else if (strncasecmp (*strp, "tlsgdhi(", 8) == 0) | |
224 | { | |
225 | bfd_vma value; | |
87e6d782 | 226 | |
73589c9d CS |
227 | *strp += 8; |
228 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
229 | BFD_RELOC_OR1K_TLS_GD_HI16, |
230 | & result_type, & value); | |
87e6d782 | 231 | |
73589c9d | 232 | if (**strp != ')') |
c151b1c6 | 233 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
234 | ++*strp; |
235 | if (errmsg == NULL | |
c151b1c6 AM |
236 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
237 | value = (value >> 16) & 0xffff; | |
73589c9d CS |
238 | *valuep = value; |
239 | return errmsg; | |
240 | } | |
241 | else if (strncasecmp (*strp, "tlsgdlo(", 8) == 0) | |
87e6d782 | 242 | { |
8f807746 | 243 | bfd_vma value; |
87e6d782 | 244 | |
73589c9d CS |
245 | *strp += 8; |
246 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
247 | BFD_RELOC_OR1K_TLS_GD_LO16, |
248 | &result_type, &value); | |
73589c9d | 249 | if (**strp != ')') |
c151b1c6 | 250 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
251 | ++*strp; |
252 | if (errmsg == NULL | |
c151b1c6 AM |
253 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
254 | value &= 0xffff; | |
73589c9d CS |
255 | *valuep = value; |
256 | return errmsg; | |
257 | } | |
258 | else if (strncasecmp (*strp, "tlsldmhi(", 9) == 0) | |
259 | { | |
260 | bfd_vma value; | |
261 | ||
262 | *strp += 9; | |
263 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
264 | BFD_RELOC_OR1K_TLS_LDM_HI16, |
265 | & result_type, & value); | |
73589c9d | 266 | |
87e6d782 | 267 | if (**strp != ')') |
c151b1c6 | 268 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
269 | ++*strp; |
270 | if (errmsg == NULL | |
c151b1c6 AM |
271 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
272 | value = (value >> 16) & 0xffff; | |
73589c9d CS |
273 | *valuep = value; |
274 | return errmsg; | |
275 | } | |
276 | else if (strncasecmp (*strp, "tlsldmlo(", 9) == 0) | |
277 | { | |
278 | bfd_vma value; | |
87e6d782 | 279 | |
73589c9d CS |
280 | *strp += 9; |
281 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
282 | BFD_RELOC_OR1K_TLS_LDM_LO16, |
283 | &result_type, &value); | |
73589c9d | 284 | if (**strp != ')') |
c151b1c6 | 285 | return MISSING_CLOSING_PARENTHESIS; |
8f807746 | 286 | ++*strp; |
73589c9d | 287 | if (errmsg == NULL |
c151b1c6 AM |
288 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
289 | value &= 0xffff; | |
73589c9d CS |
290 | *valuep = value; |
291 | return errmsg; | |
87e6d782 | 292 | } |
73589c9d | 293 | else if (strncasecmp (*strp, "dtpoffhi(", 9) == 0) |
8f807746 | 294 | { |
73589c9d | 295 | bfd_vma value; |
33b71eeb | 296 | |
73589c9d CS |
297 | *strp += 9; |
298 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
299 | BFD_RELOC_OR1K_TLS_LDO_HI16, |
300 | & result_type, & value); | |
33b71eeb | 301 | |
73589c9d | 302 | if (**strp != ')') |
c151b1c6 | 303 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
304 | ++*strp; |
305 | if (errmsg == NULL | |
c151b1c6 AM |
306 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
307 | value = (value >> 16) & 0xffff; | |
73589c9d CS |
308 | *valuep = value; |
309 | return errmsg; | |
310 | } | |
311 | else if (strncasecmp (*strp, "dtpofflo(", 9) == 0) | |
312 | { | |
313 | bfd_vma value; | |
314 | ||
315 | *strp += 9; | |
316 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
317 | BFD_RELOC_OR1K_TLS_LDO_LO16, |
318 | &result_type, &value); | |
73589c9d | 319 | if (**strp != ')') |
c151b1c6 | 320 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
321 | ++*strp; |
322 | if (errmsg == NULL | |
c151b1c6 AM |
323 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
324 | value &= 0xffff; | |
73589c9d CS |
325 | *valuep = value; |
326 | return errmsg; | |
8f807746 | 327 | } |
73589c9d CS |
328 | else if (strncasecmp (*strp, "gottpoffhi(", 11) == 0) |
329 | { | |
330 | bfd_vma value; | |
8f807746 | 331 | |
73589c9d CS |
332 | *strp += 11; |
333 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
334 | BFD_RELOC_OR1K_TLS_IE_HI16, |
335 | & result_type, & value); | |
73589c9d CS |
336 | |
337 | if (**strp != ')') | |
c151b1c6 | 338 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
339 | ++*strp; |
340 | if (errmsg == NULL | |
c151b1c6 AM |
341 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
342 | value = (value >> 16) & 0xffff; | |
73589c9d CS |
343 | *valuep = value; |
344 | return errmsg; | |
345 | } | |
346 | else if (strncasecmp (*strp, "gottpofflo(", 11) == 0) | |
347 | { | |
348 | bfd_vma value; | |
349 | ||
350 | *strp += 11; | |
351 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
352 | BFD_RELOC_OR1K_TLS_IE_LO16, |
353 | &result_type, &value); | |
73589c9d | 354 | if (**strp != ')') |
c151b1c6 | 355 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
356 | ++*strp; |
357 | if (errmsg == NULL | |
c151b1c6 AM |
358 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
359 | value &= 0xffff; | |
73589c9d CS |
360 | *valuep = value; |
361 | return errmsg; | |
362 | } | |
363 | else if (strncasecmp (*strp, "tpoffhi(", 8) == 0) | |
364 | { | |
365 | bfd_vma value; | |
366 | ||
367 | *strp += 8; | |
368 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
369 | BFD_RELOC_OR1K_TLS_LE_HI16, |
370 | & result_type, & value); | |
73589c9d CS |
371 | |
372 | if (**strp != ')') | |
c151b1c6 | 373 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
374 | ++*strp; |
375 | if (errmsg == NULL | |
c151b1c6 AM |
376 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
377 | value = (value >> 16) & 0xffff; | |
73589c9d CS |
378 | *valuep = value; |
379 | return errmsg; | |
380 | } | |
381 | else if (strncasecmp (*strp, "tpofflo(", 8) == 0) | |
382 | { | |
383 | bfd_vma value; | |
384 | ||
385 | *strp += 8; | |
386 | errmsg = cgen_parse_address (cd, strp, opindex, | |
c151b1c6 AM |
387 | BFD_RELOC_OR1K_TLS_LE_LO16, |
388 | &result_type, &value); | |
73589c9d | 389 | if (**strp != ')') |
c151b1c6 | 390 | return MISSING_CLOSING_PARENTHESIS; |
73589c9d CS |
391 | ++*strp; |
392 | if (errmsg == NULL | |
c151b1c6 AM |
393 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) |
394 | value &= 0xffff; | |
73589c9d CS |
395 | *valuep = value; |
396 | return errmsg; | |
397 | } | |
398 | else | |
399 | { | |
400 | long value; | |
401 | errmsg = cgen_parse_signed_integer (cd, strp, opindex, &value); | |
402 | ret = value; | |
403 | } | |
404 | ||
405 | if (errmsg == NULL) | |
406 | *valuep = ret; | |
407 | ||
408 | return errmsg; | |
409 | } | |
410 | ||
411 | static const char * | |
412 | parse_uimm16 (CGEN_CPU_DESC cd, const char ** strp, int opindex, unsigned long * valuep) | |
413 | { | |
414 | const char *errmsg = parse_simm16(cd, strp, opindex, (long *) valuep); | |
c151b1c6 | 415 | |
73589c9d CS |
416 | if (errmsg == NULL) |
417 | *valuep &= 0xffff; | |
87e6d782 NC |
418 | return errmsg; |
419 | } | |
420 | ||
421 | /* -- */ | |
422 | ||
73589c9d | 423 | const char * or1k_cgen_parse_operand |
47b0e7ad | 424 | (CGEN_CPU_DESC, int, const char **, CGEN_FIELDS *); |
0e2ee3ca | 425 | |
87e6d782 NC |
426 | /* Main entry point for operand parsing. |
427 | ||
428 | This function is basically just a big switch statement. Earlier versions | |
429 | used tables to look up the function to use, but | |
430 | - if the table contains both assembler and disassembler functions then | |
431 | the disassembler contains much of the assembler and vice-versa, | |
432 | - there's a lot of inlining possibilities as things grow, | |
433 | - using a switch statement avoids the function call overhead. | |
434 | ||
435 | This function could be moved into `parse_insn_normal', but keeping it | |
436 | separate makes clear the interface between `parse_insn_normal' and each of | |
9a2e995d | 437 | the handlers. */ |
87e6d782 NC |
438 | |
439 | const char * | |
73589c9d | 440 | or1k_cgen_parse_operand (CGEN_CPU_DESC cd, |
47b0e7ad NC |
441 | int opindex, |
442 | const char ** strp, | |
443 | CGEN_FIELDS * fields) | |
87e6d782 NC |
444 | { |
445 | const char * errmsg = NULL; | |
446 | /* Used by scalar operands that still need to be parsed. */ | |
fc05c67f | 447 | long junk ATTRIBUTE_UNUSED; |
87e6d782 NC |
448 | |
449 | switch (opindex) | |
450 | { | |
73589c9d | 451 | case OR1K_OPERAND_DISP26 : |
87e6d782 | 452 | { |
9494d739 | 453 | bfd_vma value = 0; |
73589c9d | 454 | errmsg = parse_disp26 (cd, strp, OR1K_OPERAND_DISP26, 0, NULL, & value); |
87e6d782 NC |
455 | fields->f_disp26 = value; |
456 | } | |
457 | break; | |
73589c9d CS |
458 | case OR1K_OPERAND_RA : |
459 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r2); | |
460 | break; | |
461 | case OR1K_OPERAND_RADF : | |
462 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r1); | |
87e6d782 | 463 | break; |
73589c9d CS |
464 | case OR1K_OPERAND_RASF : |
465 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r2); | |
87e6d782 | 466 | break; |
73589c9d CS |
467 | case OR1K_OPERAND_RB : |
468 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r3); | |
87e6d782 | 469 | break; |
73589c9d CS |
470 | case OR1K_OPERAND_RBDF : |
471 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r1); | |
87e6d782 | 472 | break; |
73589c9d CS |
473 | case OR1K_OPERAND_RBSF : |
474 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r3); | |
87e6d782 | 475 | break; |
73589c9d CS |
476 | case OR1K_OPERAND_RD : |
477 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_gpr, & fields->f_r1); | |
87e6d782 | 478 | break; |
73589c9d CS |
479 | case OR1K_OPERAND_RDDF : |
480 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fdr, & fields->f_r1); | |
87e6d782 | 481 | break; |
73589c9d CS |
482 | case OR1K_OPERAND_RDSF : |
483 | errmsg = cgen_parse_keyword (cd, strp, & or1k_cgen_opval_h_fsr, & fields->f_r1); | |
87e6d782 | 484 | break; |
73589c9d CS |
485 | case OR1K_OPERAND_SIMM16 : |
486 | errmsg = parse_simm16 (cd, strp, OR1K_OPERAND_SIMM16, (long *) (& fields->f_simm16)); | |
87e6d782 | 487 | break; |
73589c9d CS |
488 | case OR1K_OPERAND_SIMM16_SPLIT : |
489 | errmsg = parse_simm16 (cd, strp, OR1K_OPERAND_SIMM16_SPLIT, (long *) (& fields->f_simm16_split)); | |
87e6d782 | 490 | break; |
73589c9d CS |
491 | case OR1K_OPERAND_UIMM16 : |
492 | errmsg = parse_uimm16 (cd, strp, OR1K_OPERAND_UIMM16, (unsigned long *) (& fields->f_uimm16)); | |
493 | break; | |
494 | case OR1K_OPERAND_UIMM16_SPLIT : | |
495 | errmsg = parse_uimm16 (cd, strp, OR1K_OPERAND_UIMM16_SPLIT, (unsigned long *) (& fields->f_uimm16_split)); | |
496 | break; | |
497 | case OR1K_OPERAND_UIMM6 : | |
498 | errmsg = cgen_parse_unsigned_integer (cd, strp, OR1K_OPERAND_UIMM6, (unsigned long *) (& fields->f_uimm6)); | |
87e6d782 NC |
499 | break; |
500 | ||
501 | default : | |
502 | /* xgettext:c-format */ | |
503 | fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex); | |
504 | abort (); | |
505 | } | |
506 | ||
507 | return errmsg; | |
508 | } | |
509 | ||
43e65147 | 510 | cgen_parse_fn * const or1k_cgen_parse_handlers[] = |
87e6d782 NC |
511 | { |
512 | parse_insn_normal, | |
513 | }; | |
514 | ||
515 | void | |
73589c9d | 516 | or1k_cgen_init_asm (CGEN_CPU_DESC cd) |
87e6d782 | 517 | { |
73589c9d CS |
518 | or1k_cgen_init_opcode_table (cd); |
519 | or1k_cgen_init_ibld_table (cd); | |
520 | cd->parse_handlers = & or1k_cgen_parse_handlers[0]; | |
521 | cd->parse_operand = or1k_cgen_parse_operand; | |
1620f33d AM |
522 | #ifdef CGEN_ASM_INIT_HOOK |
523 | CGEN_ASM_INIT_HOOK | |
524 | #endif | |
87e6d782 NC |
525 | } |
526 | ||
fc7bc883 RH |
527 | \f |
528 | ||
37111cc7 | 529 | /* Regex construction routine. |
fc7bc883 | 530 | |
37111cc7 NC |
531 | This translates an opcode syntax string into a regex string, |
532 | by replacing any non-character syntax element (such as an | |
533 | opcode) with the pattern '.*' | |
fc7bc883 | 534 | |
37111cc7 | 535 | It then compiles the regex and stores it in the opcode, for |
73589c9d | 536 | later use by or1k_cgen_assemble_insn |
fc7bc883 | 537 | |
37111cc7 | 538 | Returns NULL for success, an error message for failure. */ |
fc7bc883 | 539 | |
43e65147 | 540 | char * |
73589c9d | 541 | or1k_cgen_build_insn_regex (CGEN_INSN *insn) |
43e65147 | 542 | { |
fc05c67f | 543 | CGEN_OPCODE *opc = (CGEN_OPCODE *) CGEN_INSN_OPCODE (insn); |
fc7bc883 | 544 | const char *mnem = CGEN_INSN_MNEMONIC (insn); |
fc7bc883 RH |
545 | char rxbuf[CGEN_MAX_RX_ELEMENTS]; |
546 | char *rx = rxbuf; | |
547 | const CGEN_SYNTAX_CHAR_TYPE *syn; | |
548 | int reg_err; | |
549 | ||
550 | syn = CGEN_SYNTAX_STRING (CGEN_OPCODE_SYNTAX (opc)); | |
551 | ||
f3a55c17 NC |
552 | /* Mnemonics come first in the syntax string. */ |
553 | if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) | |
554 | return _("missing mnemonic in syntax string"); | |
fc7bc883 RH |
555 | ++syn; |
556 | ||
f3a55c17 NC |
557 | /* Generate a case sensitive regular expression that emulates case |
558 | insensitive matching in the "C" locale. We cannot generate a case | |
559 | insensitive regular expression because in Turkish locales, 'i' and 'I' | |
560 | are not equal modulo case conversion. */ | |
fc7bc883 | 561 | |
f3a55c17 NC |
562 | /* Copy the literal mnemonic out of the insn. */ |
563 | for (; *mnem; mnem++) | |
564 | { | |
565 | char c = *mnem; | |
566 | ||
567 | if (ISALPHA (c)) | |
568 | { | |
569 | *rx++ = '['; | |
570 | *rx++ = TOLOWER (c); | |
571 | *rx++ = TOUPPER (c); | |
572 | *rx++ = ']'; | |
573 | } | |
574 | else | |
575 | *rx++ = c; | |
576 | } | |
577 | ||
578 | /* Copy any remaining literals from the syntax string into the rx. */ | |
579 | for(; * syn != 0 && rx <= rxbuf + (CGEN_MAX_RX_ELEMENTS - 7 - 4); ++syn) | |
fc7bc883 | 580 | { |
43e65147 | 581 | if (CGEN_SYNTAX_CHAR_P (* syn)) |
fc7bc883 | 582 | { |
f3a55c17 NC |
583 | char c = CGEN_SYNTAX_CHAR (* syn); |
584 | ||
43e65147 | 585 | switch (c) |
f3a55c17 NC |
586 | { |
587 | /* Escape any regex metacharacters in the syntax. */ | |
43e65147 L |
588 | case '.': case '[': case '\\': |
589 | case '*': case '^': case '$': | |
fc7bc883 RH |
590 | |
591 | #ifdef CGEN_ESCAPE_EXTENDED_REGEX | |
43e65147 | 592 | case '?': case '{': case '}': |
f3a55c17 NC |
593 | case '(': case ')': case '*': |
594 | case '|': case '+': case ']': | |
fc7bc883 | 595 | #endif |
f3a55c17 NC |
596 | *rx++ = '\\'; |
597 | *rx++ = c; | |
598 | break; | |
599 | ||
600 | default: | |
601 | if (ISALPHA (c)) | |
602 | { | |
603 | *rx++ = '['; | |
604 | *rx++ = TOLOWER (c); | |
605 | *rx++ = TOUPPER (c); | |
606 | *rx++ = ']'; | |
607 | } | |
608 | else | |
609 | *rx++ = c; | |
610 | break; | |
611 | } | |
fc7bc883 RH |
612 | } |
613 | else | |
614 | { | |
f3a55c17 NC |
615 | /* Replace non-syntax fields with globs. */ |
616 | *rx++ = '.'; | |
617 | *rx++ = '*'; | |
fc7bc883 RH |
618 | } |
619 | } | |
620 | ||
f3a55c17 | 621 | /* Trailing whitespace ok. */ |
43e65147 L |
622 | * rx++ = '['; |
623 | * rx++ = ' '; | |
624 | * rx++ = '\t'; | |
625 | * rx++ = ']'; | |
626 | * rx++ = '*'; | |
fc7bc883 | 627 | |
f3a55c17 | 628 | /* But anchor it after that. */ |
43e65147 | 629 | * rx++ = '$'; |
fc7bc883 RH |
630 | * rx = '\0'; |
631 | ||
632 | CGEN_INSN_RX (insn) = xmalloc (sizeof (regex_t)); | |
f3a55c17 | 633 | reg_err = regcomp ((regex_t *) CGEN_INSN_RX (insn), rxbuf, REG_NOSUB); |
fc7bc883 | 634 | |
43e65147 | 635 | if (reg_err == 0) |
fc7bc883 RH |
636 | return NULL; |
637 | else | |
638 | { | |
639 | static char msg[80]; | |
f3a55c17 | 640 | |
fc7bc883 RH |
641 | regerror (reg_err, (regex_t *) CGEN_INSN_RX (insn), msg, 80); |
642 | regfree ((regex_t *) CGEN_INSN_RX (insn)); | |
643 | free (CGEN_INSN_RX (insn)); | |
644 | (CGEN_INSN_RX (insn)) = NULL; | |
37111cc7 | 645 | return msg; |
fc7bc883 RH |
646 | } |
647 | } | |
648 | ||
87e6d782 NC |
649 | \f |
650 | /* Default insn parser. | |
651 | ||
652 | The syntax string is scanned and operands are parsed and stored in FIELDS. | |
653 | Relocs are queued as we go via other callbacks. | |
654 | ||
655 | ??? Note that this is currently an all-or-nothing parser. If we fail to | |
656 | parse the instruction, we return 0 and the caller will start over from | |
657 | the beginning. Backtracking will be necessary in parsing subexpressions, | |
658 | but that can be handled there. Not handling backtracking here may get | |
659 | expensive in the case of the m68k. Deal with later. | |
660 | ||
f3a55c17 | 661 | Returns NULL for success, an error message for failure. */ |
87e6d782 NC |
662 | |
663 | static const char * | |
ffead7ae MM |
664 | parse_insn_normal (CGEN_CPU_DESC cd, |
665 | const CGEN_INSN *insn, | |
666 | const char **strp, | |
667 | CGEN_FIELDS *fields) | |
87e6d782 NC |
668 | { |
669 | /* ??? Runtime added insns not handled yet. */ | |
670 | const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); | |
671 | const char *str = *strp; | |
672 | const char *errmsg; | |
673 | const char *p; | |
674 | const CGEN_SYNTAX_CHAR_TYPE * syn; | |
675 | #ifdef CGEN_MNEMONIC_OPERANDS | |
676 | /* FIXME: wip */ | |
677 | int past_opcode_p; | |
678 | #endif | |
679 | ||
680 | /* For now we assume the mnemonic is first (there are no leading operands). | |
681 | We can parse it without needing to set up operand parsing. | |
682 | GAS's input scrubber will ensure mnemonics are lowercase, but we may | |
683 | not be called from GAS. */ | |
684 | p = CGEN_INSN_MNEMONIC (insn); | |
37111cc7 | 685 | while (*p && TOLOWER (*p) == TOLOWER (*str)) |
87e6d782 NC |
686 | ++p, ++str; |
687 | ||
688 | if (* p) | |
689 | return _("unrecognized instruction"); | |
690 | ||
691 | #ifndef CGEN_MNEMONIC_OPERANDS | |
37111cc7 | 692 | if (* str && ! ISSPACE (* str)) |
87e6d782 NC |
693 | return _("unrecognized instruction"); |
694 | #endif | |
695 | ||
696 | CGEN_INIT_PARSE (cd); | |
697 | cgen_init_parse_operand (cd); | |
698 | #ifdef CGEN_MNEMONIC_OPERANDS | |
699 | past_opcode_p = 0; | |
700 | #endif | |
701 | ||
702 | /* We don't check for (*str != '\0') here because we want to parse | |
703 | any trailing fake arguments in the syntax string. */ | |
704 | syn = CGEN_SYNTAX_STRING (syntax); | |
705 | ||
706 | /* Mnemonics come first for now, ensure valid string. */ | |
707 | if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) | |
708 | abort (); | |
709 | ||
710 | ++syn; | |
711 | ||
712 | while (* syn != 0) | |
713 | { | |
714 | /* Non operand chars must match exactly. */ | |
715 | if (CGEN_SYNTAX_CHAR_P (* syn)) | |
716 | { | |
717 | /* FIXME: While we allow for non-GAS callers above, we assume the | |
718 | first char after the mnemonic part is a space. */ | |
719 | /* FIXME: We also take inappropriate advantage of the fact that | |
720 | GAS's input scrubber will remove extraneous blanks. */ | |
37111cc7 | 721 | if (TOLOWER (*str) == TOLOWER (CGEN_SYNTAX_CHAR (* syn))) |
87e6d782 NC |
722 | { |
723 | #ifdef CGEN_MNEMONIC_OPERANDS | |
724 | if (CGEN_SYNTAX_CHAR(* syn) == ' ') | |
725 | past_opcode_p = 1; | |
726 | #endif | |
727 | ++ syn; | |
728 | ++ str; | |
729 | } | |
730 | else if (*str) | |
731 | { | |
732 | /* Syntax char didn't match. Can't be this insn. */ | |
733 | static char msg [80]; | |
f3a55c17 | 734 | |
87e6d782 NC |
735 | /* xgettext:c-format */ |
736 | sprintf (msg, _("syntax error (expected char `%c', found `%c')"), | |
737 | CGEN_SYNTAX_CHAR(*syn), *str); | |
738 | return msg; | |
739 | } | |
740 | else | |
741 | { | |
742 | /* Ran out of input. */ | |
743 | static char msg [80]; | |
f3a55c17 | 744 | |
87e6d782 NC |
745 | /* xgettext:c-format */ |
746 | sprintf (msg, _("syntax error (expected char `%c', found end of instruction)"), | |
747 | CGEN_SYNTAX_CHAR(*syn)); | |
748 | return msg; | |
749 | } | |
750 | continue; | |
751 | } | |
752 | ||
c7e2358a AM |
753 | #ifdef CGEN_MNEMONIC_OPERANDS |
754 | (void) past_opcode_p; | |
755 | #endif | |
87e6d782 | 756 | /* We have an operand of some sort. */ |
c7e2358a | 757 | errmsg = cd->parse_operand (cd, CGEN_SYNTAX_FIELD (*syn), &str, fields); |
87e6d782 NC |
758 | if (errmsg) |
759 | return errmsg; | |
760 | ||
761 | /* Done with this operand, continue with next one. */ | |
762 | ++ syn; | |
763 | } | |
764 | ||
765 | /* If we're at the end of the syntax string, we're done. */ | |
766 | if (* syn == 0) | |
767 | { | |
768 | /* FIXME: For the moment we assume a valid `str' can only contain | |
769 | blanks now. IE: We needn't try again with a longer version of | |
770 | the insn and it is assumed that longer versions of insns appear | |
771 | before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */ | |
37111cc7 | 772 | while (ISSPACE (* str)) |
87e6d782 NC |
773 | ++ str; |
774 | ||
775 | if (* str != '\0') | |
776 | return _("junk at end of line"); /* FIXME: would like to include `str' */ | |
777 | ||
778 | return NULL; | |
779 | } | |
780 | ||
781 | /* We couldn't parse it. */ | |
782 | return _("unrecognized instruction"); | |
783 | } | |
784 | \f | |
785 | /* Main entry point. | |
786 | This routine is called for each instruction to be assembled. | |
787 | STR points to the insn to be assembled. | |
788 | We assume all necessary tables have been initialized. | |
789 | The assembled instruction, less any fixups, is stored in BUF. | |
790 | Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value | |
791 | still needs to be converted to target byte order, otherwise BUF is an array | |
792 | of bytes in target byte order. | |
793 | The result is a pointer to the insn's entry in the opcode table, | |
794 | or NULL if an error occured (an error message will have already been | |
795 | printed). | |
796 | ||
797 | Note that when processing (non-alias) macro-insns, | |
798 | this function recurses. | |
799 | ||
800 | ??? It's possible to make this cpu-independent. | |
801 | One would have to deal with a few minor things. | |
802 | At this point in time doing so would be more of a curiosity than useful | |
803 | [for example this file isn't _that_ big], but keeping the possibility in | |
804 | mind helps keep the design clean. */ | |
805 | ||
806 | const CGEN_INSN * | |
73589c9d | 807 | or1k_cgen_assemble_insn (CGEN_CPU_DESC cd, |
ffead7ae MM |
808 | const char *str, |
809 | CGEN_FIELDS *fields, | |
810 | CGEN_INSN_BYTES_PTR buf, | |
811 | char **errmsg) | |
87e6d782 NC |
812 | { |
813 | const char *start; | |
814 | CGEN_INSN_LIST *ilist; | |
815 | const char *parse_errmsg = NULL; | |
816 | const char *insert_errmsg = NULL; | |
fc7bc883 | 817 | int recognized_mnemonic = 0; |
87e6d782 NC |
818 | |
819 | /* Skip leading white space. */ | |
37111cc7 | 820 | while (ISSPACE (* str)) |
87e6d782 NC |
821 | ++ str; |
822 | ||
823 | /* The instructions are stored in hashed lists. | |
824 | Get the first in the list. */ | |
825 | ilist = CGEN_ASM_LOOKUP_INSN (cd, str); | |
826 | ||
827 | /* Keep looking until we find a match. */ | |
87e6d782 NC |
828 | start = str; |
829 | for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist)) | |
830 | { | |
831 | const CGEN_INSN *insn = ilist->insn; | |
fc7bc883 | 832 | recognized_mnemonic = 1; |
87e6d782 | 833 | |
43e65147 | 834 | #ifdef CGEN_VALIDATE_INSN_SUPPORTED |
f3a55c17 NC |
835 | /* Not usually needed as unsupported opcodes |
836 | shouldn't be in the hash lists. */ | |
87e6d782 | 837 | /* Is this insn supported by the selected cpu? */ |
73589c9d | 838 | if (! or1k_cgen_insn_supported (cd, insn)) |
87e6d782 NC |
839 | continue; |
840 | #endif | |
b11dcf4e | 841 | /* If the RELAXED attribute is set, this is an insn that shouldn't be |
87e6d782 NC |
842 | chosen immediately. Instead, it is used during assembler/linker |
843 | relaxation if possible. */ | |
b11dcf4e | 844 | if (CGEN_INSN_ATTR_VALUE (insn, CGEN_INSN_RELAXED) != 0) |
87e6d782 NC |
845 | continue; |
846 | ||
847 | str = start; | |
848 | ||
f3a55c17 | 849 | /* Skip this insn if str doesn't look right lexically. */ |
fc7bc883 RH |
850 | if (CGEN_INSN_RX (insn) != NULL && |
851 | regexec ((regex_t *) CGEN_INSN_RX (insn), str, 0, NULL, 0) == REG_NOMATCH) | |
852 | continue; | |
853 | ||
87e6d782 NC |
854 | /* Allow parse/insert handlers to obtain length of insn. */ |
855 | CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); | |
856 | ||
857 | parse_errmsg = CGEN_PARSE_FN (cd, insn) (cd, insn, & str, fields); | |
858 | if (parse_errmsg != NULL) | |
859 | continue; | |
860 | ||
f3a55c17 | 861 | /* ??? 0 is passed for `pc'. */ |
87e6d782 NC |
862 | insert_errmsg = CGEN_INSERT_FN (cd, insn) (cd, insn, fields, buf, |
863 | (bfd_vma) 0); | |
864 | if (insert_errmsg != NULL) | |
865 | continue; | |
866 | ||
867 | /* It is up to the caller to actually output the insn and any | |
868 | queued relocs. */ | |
869 | return insn; | |
870 | } | |
871 | ||
872 | { | |
873 | static char errbuf[150]; | |
87e6d782 | 874 | const char *tmp_errmsg; |
c7e2358a AM |
875 | #ifdef CGEN_VERBOSE_ASSEMBLER_ERRORS |
876 | #define be_verbose 1 | |
87e6d782 | 877 | #else |
c7e2358a | 878 | #define be_verbose 0 |
87e6d782 | 879 | #endif |
c7e2358a AM |
880 | |
881 | if (be_verbose) | |
882 | { | |
883 | /* If requesting verbose error messages, use insert_errmsg. | |
884 | Failing that, use parse_errmsg. */ | |
885 | tmp_errmsg = (insert_errmsg ? insert_errmsg : | |
886 | parse_errmsg ? parse_errmsg : | |
887 | recognized_mnemonic ? | |
888 | _("unrecognized form of instruction") : | |
889 | _("unrecognized instruction")); | |
890 | ||
891 | if (strlen (start) > 50) | |
892 | /* xgettext:c-format */ | |
893 | sprintf (errbuf, "%s `%.50s...'", tmp_errmsg, start); | |
43e65147 | 894 | else |
c7e2358a AM |
895 | /* xgettext:c-format */ |
896 | sprintf (errbuf, "%s `%.50s'", tmp_errmsg, start); | |
897 | } | |
898 | else | |
899 | { | |
900 | if (strlen (start) > 50) | |
901 | /* xgettext:c-format */ | |
902 | sprintf (errbuf, _("bad instruction `%.50s...'"), start); | |
43e65147 | 903 | else |
c7e2358a AM |
904 | /* xgettext:c-format */ |
905 | sprintf (errbuf, _("bad instruction `%.50s'"), start); | |
906 | } | |
43e65147 | 907 | |
87e6d782 NC |
908 | *errmsg = errbuf; |
909 | return NULL; | |
910 | } | |
911 | } |