Commit | Line | Data |
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9c03036a DE |
1 | /* Assembler interface for targets using CGEN. -*- C -*- |
2 | CGEN: Cpu tools GENerator | |
3 | ||
fbc8134d | 4 | THIS FILE IS USED TO GENERATE m32r-asm.c. |
9c03036a | 5 | |
0bf55db8 | 6 | Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. |
9c03036a DE |
7 | |
8 | This file is part of the GNU Binutils and GDB, the GNU debugger. | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2, or (at your option) | |
13 | any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
fbc8134d DE |
21 | along with this program; if not, write to the Free Software Foundation, Inc., |
22 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
9c03036a | 23 | |
23cf992f | 24 | #include "sysdep.h" |
9c03036a DE |
25 | #include <ctype.h> |
26 | #include <stdio.h> | |
27 | #include "ansidecl.h" | |
28 | #include "bfd.h" | |
0bf55db8 | 29 | #include "symcat.h" |
9c03036a | 30 | #include "m32r-opc.h" |
cbc6c9b2 | 31 | #include "opintl.h" |
9c03036a | 32 | |
617e3d09 DE |
33 | #undef min |
34 | #define min(a,b) ((a) < (b) ? (a) : (b)) | |
35 | #undef max | |
36 | #define max(a,b) ((a) > (b) ? (a) : (b)) | |
37 | ||
38 | #undef INLINE | |
39 | #ifdef __GNUC__ | |
40 | #define INLINE __inline__ | |
41 | #else | |
42 | #define INLINE | |
43 | #endif | |
9c03036a | 44 | |
5730d39d DE |
45 | /* Used by the ifield rtx function. */ |
46 | #define FLD(f) (fields->f) | |
47 | ||
1294c286 | 48 | static const char * insert_normal |
5730d39d DE |
49 | PARAMS ((CGEN_OPCODE_DESC, long, unsigned int, unsigned int, unsigned int, |
50 | unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR)); | |
23cf992f | 51 | static const char * parse_insn_normal |
617e3d09 DE |
52 | PARAMS ((CGEN_OPCODE_DESC, const CGEN_INSN *, |
53 | const char **, CGEN_FIELDS *)); | |
0bf55db8 | 54 | static const char * insert_insn_normal |
617e3d09 DE |
55 | PARAMS ((CGEN_OPCODE_DESC, const CGEN_INSN *, |
56 | CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma)); | |
9c03036a | 57 | \f |
1294c286 DE |
58 | /* -- assembler routines inserted here */ |
59 | /* -- asm.c */ | |
9c03036a | 60 | |
1294c286 | 61 | /* Handle '#' prefixes (i.e. skip over them). */ |
9c03036a | 62 | |
0bf55db8 | 63 | static const char * |
617e3d09 DE |
64 | parse_hash (od, strp, opindex, valuep) |
65 | CGEN_OPCODE_DESC od; | |
1294c286 DE |
66 | const char **strp; |
67 | int opindex; | |
68 | unsigned long *valuep; | |
9c03036a | 69 | { |
1294c286 DE |
70 | if (**strp == '#') |
71 | ++*strp; | |
0bf55db8 | 72 | return NULL; |
9c03036a | 73 | } |
853713a7 DE |
74 | |
75 | /* Handle shigh(), high(). */ | |
76 | ||
77 | static const char * | |
617e3d09 DE |
78 | parse_hi16 (od, strp, opindex, valuep) |
79 | CGEN_OPCODE_DESC od; | |
853713a7 DE |
80 | const char **strp; |
81 | int opindex; | |
853713a7 DE |
82 | unsigned long *valuep; |
83 | { | |
84 | const char *errmsg; | |
85 | enum cgen_parse_operand_result result_type; | |
617e3d09 | 86 | bfd_vma value; |
853713a7 | 87 | |
853713a7 DE |
88 | if (**strp == '#') |
89 | ++*strp; | |
90 | ||
cbc6c9b2 | 91 | if (strncasecmp (*strp, "high(", 5) == 0) |
853713a7 DE |
92 | { |
93 | *strp += 5; | |
617e3d09 DE |
94 | errmsg = cgen_parse_address (od, strp, opindex, BFD_RELOC_M32R_HI16_ULO, |
95 | &result_type, &value); | |
853713a7 DE |
96 | if (**strp != ')') |
97 | return "missing `)'"; | |
98 | ++*strp; | |
99 | if (errmsg == NULL | |
100 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
617e3d09 DE |
101 | value >>= 16; |
102 | *valuep = value; | |
853713a7 DE |
103 | return errmsg; |
104 | } | |
cbc6c9b2 | 105 | else if (strncasecmp (*strp, "shigh(", 6) == 0) |
853713a7 DE |
106 | { |
107 | *strp += 6; | |
617e3d09 DE |
108 | errmsg = cgen_parse_address (od, strp, opindex, BFD_RELOC_M32R_HI16_SLO, |
109 | &result_type, &value); | |
853713a7 DE |
110 | if (**strp != ')') |
111 | return "missing `)'"; | |
112 | ++*strp; | |
113 | if (errmsg == NULL | |
114 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
617e3d09 DE |
115 | value = (value >> 16) + (value & 0x8000 ? 1 : 0); |
116 | *valuep = value; | |
853713a7 DE |
117 | return errmsg; |
118 | } | |
119 | ||
617e3d09 | 120 | return cgen_parse_unsigned_integer (od, strp, opindex, valuep); |
853713a7 DE |
121 | } |
122 | ||
123 | /* Handle low() in a signed context. Also handle sda(). | |
124 | The signedness of the value doesn't matter to low(), but this also | |
125 | handles the case where low() isn't present. */ | |
126 | ||
127 | static const char * | |
617e3d09 DE |
128 | parse_slo16 (od, strp, opindex, valuep) |
129 | CGEN_OPCODE_DESC od; | |
853713a7 DE |
130 | const char **strp; |
131 | int opindex; | |
853713a7 DE |
132 | long *valuep; |
133 | { | |
134 | const char *errmsg; | |
135 | enum cgen_parse_operand_result result_type; | |
617e3d09 | 136 | bfd_vma value; |
853713a7 | 137 | |
853713a7 DE |
138 | if (**strp == '#') |
139 | ++*strp; | |
140 | ||
cbc6c9b2 | 141 | if (strncasecmp (*strp, "low(", 4) == 0) |
853713a7 DE |
142 | { |
143 | *strp += 4; | |
617e3d09 DE |
144 | errmsg = cgen_parse_address (od, strp, opindex, BFD_RELOC_M32R_LO16, |
145 | &result_type, &value); | |
853713a7 DE |
146 | if (**strp != ')') |
147 | return "missing `)'"; | |
148 | ++*strp; | |
0bf55db8 DE |
149 | if (errmsg == NULL |
150 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
617e3d09 DE |
151 | value &= 0xffff; |
152 | *valuep = value; | |
853713a7 DE |
153 | return errmsg; |
154 | } | |
155 | ||
cbc6c9b2 | 156 | if (strncasecmp (*strp, "sda(", 4) == 0) |
853713a7 DE |
157 | { |
158 | *strp += 4; | |
617e3d09 DE |
159 | errmsg = cgen_parse_address (od, strp, opindex, BFD_RELOC_M32R_SDA16, |
160 | NULL, &value); | |
853713a7 DE |
161 | if (**strp != ')') |
162 | return "missing `)'"; | |
163 | ++*strp; | |
617e3d09 | 164 | *valuep = value; |
853713a7 DE |
165 | return errmsg; |
166 | } | |
167 | ||
617e3d09 | 168 | return cgen_parse_signed_integer (od, strp, opindex, valuep); |
853713a7 DE |
169 | } |
170 | ||
171 | /* Handle low() in an unsigned context. | |
172 | The signedness of the value doesn't matter to low(), but this also | |
173 | handles the case where low() isn't present. */ | |
174 | ||
175 | static const char * | |
617e3d09 DE |
176 | parse_ulo16 (od, strp, opindex, valuep) |
177 | CGEN_OPCODE_DESC od; | |
853713a7 DE |
178 | const char **strp; |
179 | int opindex; | |
853713a7 DE |
180 | unsigned long *valuep; |
181 | { | |
182 | const char *errmsg; | |
183 | enum cgen_parse_operand_result result_type; | |
617e3d09 | 184 | bfd_vma value; |
853713a7 | 185 | |
853713a7 DE |
186 | if (**strp == '#') |
187 | ++*strp; | |
188 | ||
cbc6c9b2 | 189 | if (strncasecmp (*strp, "low(", 4) == 0) |
853713a7 DE |
190 | { |
191 | *strp += 4; | |
617e3d09 DE |
192 | errmsg = cgen_parse_address (od, strp, opindex, BFD_RELOC_M32R_LO16, |
193 | &result_type, &value); | |
853713a7 DE |
194 | if (**strp != ')') |
195 | return "missing `)'"; | |
196 | ++*strp; | |
0bf55db8 DE |
197 | if (errmsg == NULL |
198 | && result_type == CGEN_PARSE_OPERAND_RESULT_NUMBER) | |
617e3d09 DE |
199 | value &= 0xffff; |
200 | *valuep = value; | |
853713a7 DE |
201 | return errmsg; |
202 | } | |
203 | ||
617e3d09 | 204 | return cgen_parse_unsigned_integer (od, strp, opindex, valuep); |
853713a7 DE |
205 | } |
206 | ||
207 | /* -- */ | |
208 | ||
209 | /* Main entry point for operand parsing. | |
210 | ||
211 | This function is basically just a big switch statement. Earlier versions | |
212 | used tables to look up the function to use, but | |
213 | - if the table contains both assembler and disassembler functions then | |
214 | the disassembler contains much of the assembler and vice-versa, | |
215 | - there's a lot of inlining possibilities as things grow, | |
216 | - using a switch statement avoids the function call overhead. | |
217 | ||
218 | This function could be moved into `parse_insn_normal', but keeping it | |
219 | separate makes clear the interface between `parse_insn_normal' and each of | |
220 | the handlers. | |
221 | */ | |
222 | ||
0bf55db8 | 223 | const char * |
617e3d09 DE |
224 | m32r_cgen_parse_operand (od, opindex, strp, fields) |
225 | CGEN_OPCODE_DESC od; | |
853713a7 DE |
226 | int opindex; |
227 | const char ** strp; | |
228 | CGEN_FIELDS * fields; | |
229 | { | |
230 | const char * errmsg; | |
231 | ||
232 | switch (opindex) | |
233 | { | |
234 | case M32R_OPERAND_SR : | |
617e3d09 | 235 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_gr, & fields->f_r2); |
853713a7 DE |
236 | break; |
237 | case M32R_OPERAND_DR : | |
617e3d09 | 238 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_gr, & fields->f_r1); |
853713a7 DE |
239 | break; |
240 | case M32R_OPERAND_SRC1 : | |
617e3d09 | 241 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_gr, & fields->f_r1); |
853713a7 DE |
242 | break; |
243 | case M32R_OPERAND_SRC2 : | |
617e3d09 | 244 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_gr, & fields->f_r2); |
853713a7 DE |
245 | break; |
246 | case M32R_OPERAND_SCR : | |
617e3d09 | 247 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_cr, & fields->f_r2); |
853713a7 DE |
248 | break; |
249 | case M32R_OPERAND_DCR : | |
617e3d09 | 250 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_cr, & fields->f_r1); |
853713a7 DE |
251 | break; |
252 | case M32R_OPERAND_SIMM8 : | |
617e3d09 | 253 | errmsg = cgen_parse_signed_integer (od, strp, M32R_OPERAND_SIMM8, &fields->f_simm8); |
853713a7 DE |
254 | break; |
255 | case M32R_OPERAND_SIMM16 : | |
617e3d09 | 256 | errmsg = cgen_parse_signed_integer (od, strp, M32R_OPERAND_SIMM16, &fields->f_simm16); |
853713a7 DE |
257 | break; |
258 | case M32R_OPERAND_UIMM4 : | |
617e3d09 | 259 | errmsg = cgen_parse_unsigned_integer (od, strp, M32R_OPERAND_UIMM4, &fields->f_uimm4); |
853713a7 DE |
260 | break; |
261 | case M32R_OPERAND_UIMM5 : | |
617e3d09 | 262 | errmsg = cgen_parse_unsigned_integer (od, strp, M32R_OPERAND_UIMM5, &fields->f_uimm5); |
853713a7 DE |
263 | break; |
264 | case M32R_OPERAND_UIMM16 : | |
617e3d09 | 265 | errmsg = cgen_parse_unsigned_integer (od, strp, M32R_OPERAND_UIMM16, &fields->f_uimm16); |
853713a7 | 266 | break; |
ab0bd049 DE |
267 | /* start-sanitize-m32rx */ |
268 | case M32R_OPERAND_IMM1 : | |
617e3d09 | 269 | errmsg = cgen_parse_unsigned_integer (od, strp, M32R_OPERAND_IMM1, &fields->f_imm1); |
ab0bd049 DE |
270 | break; |
271 | /* end-sanitize-m32rx */ | |
272 | /* start-sanitize-m32rx */ | |
273 | case M32R_OPERAND_ACCD : | |
617e3d09 | 274 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_accums, & fields->f_accd); |
ab0bd049 DE |
275 | break; |
276 | /* end-sanitize-m32rx */ | |
277 | /* start-sanitize-m32rx */ | |
278 | case M32R_OPERAND_ACCS : | |
617e3d09 | 279 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_accums, & fields->f_accs); |
ab0bd049 DE |
280 | break; |
281 | /* end-sanitize-m32rx */ | |
282 | /* start-sanitize-m32rx */ | |
283 | case M32R_OPERAND_ACC : | |
617e3d09 | 284 | errmsg = cgen_parse_keyword (od, strp, & m32r_cgen_opval_h_accums, & fields->f_acc); |
ab0bd049 DE |
285 | break; |
286 | /* end-sanitize-m32rx */ | |
1294c286 | 287 | case M32R_OPERAND_HASH : |
617e3d09 | 288 | errmsg = parse_hash (od, strp, M32R_OPERAND_HASH, &fields->f_nil); |
1294c286 | 289 | break; |
853713a7 | 290 | case M32R_OPERAND_HI16 : |
617e3d09 | 291 | errmsg = parse_hi16 (od, strp, M32R_OPERAND_HI16, &fields->f_hi16); |
853713a7 DE |
292 | break; |
293 | case M32R_OPERAND_SLO16 : | |
617e3d09 | 294 | errmsg = parse_slo16 (od, strp, M32R_OPERAND_SLO16, &fields->f_simm16); |
853713a7 DE |
295 | break; |
296 | case M32R_OPERAND_ULO16 : | |
617e3d09 | 297 | errmsg = parse_ulo16 (od, strp, M32R_OPERAND_ULO16, &fields->f_uimm16); |
853713a7 DE |
298 | break; |
299 | case M32R_OPERAND_UIMM24 : | |
617e3d09 DE |
300 | { |
301 | bfd_vma value; | |
302 | errmsg = cgen_parse_address (od, strp, M32R_OPERAND_UIMM24, 0, NULL, & value); | |
303 | fields->f_uimm24 = value; | |
304 | } | |
853713a7 DE |
305 | break; |
306 | case M32R_OPERAND_DISP8 : | |
617e3d09 DE |
307 | { |
308 | bfd_vma value; | |
309 | errmsg = cgen_parse_address (od, strp, M32R_OPERAND_DISP8, 0, NULL, & value); | |
310 | fields->f_disp8 = value; | |
311 | } | |
853713a7 DE |
312 | break; |
313 | case M32R_OPERAND_DISP16 : | |
617e3d09 DE |
314 | { |
315 | bfd_vma value; | |
316 | errmsg = cgen_parse_address (od, strp, M32R_OPERAND_DISP16, 0, NULL, & value); | |
317 | fields->f_disp16 = value; | |
318 | } | |
853713a7 DE |
319 | break; |
320 | case M32R_OPERAND_DISP24 : | |
617e3d09 DE |
321 | { |
322 | bfd_vma value; | |
323 | errmsg = cgen_parse_address (od, strp, M32R_OPERAND_DISP24, 0, NULL, & value); | |
324 | fields->f_disp24 = value; | |
325 | } | |
853713a7 DE |
326 | break; |
327 | ||
328 | default : | |
cbc6c9b2 DE |
329 | /* xgettext:c-format */ |
330 | fprintf (stderr, _("Unrecognized field %d while parsing.\n"), opindex); | |
853713a7 DE |
331 | abort (); |
332 | } | |
333 | ||
334 | return errmsg; | |
335 | } | |
336 | ||
337 | /* Main entry point for operand insertion. | |
338 | ||
339 | This function is basically just a big switch statement. Earlier versions | |
340 | used tables to look up the function to use, but | |
341 | - if the table contains both assembler and disassembler functions then | |
342 | the disassembler contains much of the assembler and vice-versa, | |
343 | - there's a lot of inlining possibilities as things grow, | |
344 | - using a switch statement avoids the function call overhead. | |
345 | ||
346 | This function could be moved into `parse_insn_normal', but keeping it | |
347 | separate makes clear the interface between `parse_insn_normal' and each of | |
348 | the handlers. It's also needed by GAS to insert operands that couldn't be | |
349 | resolved during parsing. | |
350 | */ | |
351 | ||
0bf55db8 | 352 | const char * |
617e3d09 DE |
353 | m32r_cgen_insert_operand (od, opindex, fields, buffer, pc) |
354 | CGEN_OPCODE_DESC od; | |
5d07b6cf | 355 | int opindex; |
853713a7 | 356 | CGEN_FIELDS * fields; |
617e3d09 | 357 | CGEN_INSN_BYTES_PTR buffer; |
fbc8134d | 358 | bfd_vma pc; |
853713a7 | 359 | { |
0bf55db8 | 360 | const char * errmsg; |
5730d39d | 361 | unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); |
853713a7 DE |
362 | |
363 | switch (opindex) | |
364 | { | |
365 | case M32R_OPERAND_SR : | |
5730d39d | 366 | errmsg = insert_normal (od, fields->f_r2, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 32, total_length, buffer); |
853713a7 DE |
367 | break; |
368 | case M32R_OPERAND_DR : | |
5730d39d | 369 | errmsg = insert_normal (od, fields->f_r1, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 4, 32, total_length, buffer); |
853713a7 DE |
370 | break; |
371 | case M32R_OPERAND_SRC1 : | |
5730d39d | 372 | errmsg = insert_normal (od, fields->f_r1, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 4, 32, total_length, buffer); |
853713a7 DE |
373 | break; |
374 | case M32R_OPERAND_SRC2 : | |
5730d39d | 375 | errmsg = insert_normal (od, fields->f_r2, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 32, total_length, buffer); |
853713a7 DE |
376 | break; |
377 | case M32R_OPERAND_SCR : | |
5730d39d | 378 | errmsg = insert_normal (od, fields->f_r2, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 32, total_length, buffer); |
853713a7 DE |
379 | break; |
380 | case M32R_OPERAND_DCR : | |
5730d39d | 381 | errmsg = insert_normal (od, fields->f_r1, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 4, 32, total_length, buffer); |
853713a7 DE |
382 | break; |
383 | case M32R_OPERAND_SIMM8 : | |
5730d39d | 384 | errmsg = insert_normal (od, fields->f_simm8, 0|(1<<CGEN_OPERAND_HASH_PREFIX), 0, 8, 8, 32, total_length, buffer); |
853713a7 DE |
385 | break; |
386 | case M32R_OPERAND_SIMM16 : | |
5730d39d | 387 | errmsg = insert_normal (od, fields->f_simm16, 0|(1<<CGEN_OPERAND_HASH_PREFIX), 0, 16, 16, 32, total_length, buffer); |
853713a7 DE |
388 | break; |
389 | case M32R_OPERAND_UIMM4 : | |
5730d39d | 390 | errmsg = insert_normal (od, fields->f_uimm4, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 4, 32, total_length, buffer); |
853713a7 DE |
391 | break; |
392 | case M32R_OPERAND_UIMM5 : | |
5730d39d | 393 | errmsg = insert_normal (od, fields->f_uimm5, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 11, 5, 32, total_length, buffer); |
853713a7 DE |
394 | break; |
395 | case M32R_OPERAND_UIMM16 : | |
5730d39d | 396 | errmsg = insert_normal (od, fields->f_uimm16, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 16, 16, 32, total_length, buffer); |
853713a7 | 397 | break; |
ab0bd049 DE |
398 | /* start-sanitize-m32rx */ |
399 | case M32R_OPERAND_IMM1 : | |
0bf55db8 | 400 | { |
fbc8134d DE |
401 | long value = fields->f_imm1; |
402 | value = ((value) - (1)); | |
5730d39d | 403 | errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_UNSIGNED), 0, 15, 1, 32, total_length, buffer); |
0bf55db8 | 404 | } |
ab0bd049 DE |
405 | break; |
406 | /* end-sanitize-m32rx */ | |
407 | /* start-sanitize-m32rx */ | |
408 | case M32R_OPERAND_ACCD : | |
5730d39d | 409 | errmsg = insert_normal (od, fields->f_accd, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 4, 2, 32, total_length, buffer); |
ab0bd049 DE |
410 | break; |
411 | /* end-sanitize-m32rx */ | |
412 | /* start-sanitize-m32rx */ | |
413 | case M32R_OPERAND_ACCS : | |
5730d39d | 414 | errmsg = insert_normal (od, fields->f_accs, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 12, 2, 32, total_length, buffer); |
ab0bd049 DE |
415 | break; |
416 | /* end-sanitize-m32rx */ | |
417 | /* start-sanitize-m32rx */ | |
418 | case M32R_OPERAND_ACC : | |
5730d39d | 419 | errmsg = insert_normal (od, fields->f_acc, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 1, 32, total_length, buffer); |
ab0bd049 DE |
420 | break; |
421 | /* end-sanitize-m32rx */ | |
1294c286 | 422 | case M32R_OPERAND_HASH : |
5730d39d | 423 | errmsg = insert_normal (od, fields->f_nil, 0, 0, 0, 0, 0, total_length, buffer); |
1294c286 | 424 | break; |
853713a7 | 425 | case M32R_OPERAND_HI16 : |
5730d39d | 426 | errmsg = insert_normal (od, fields->f_hi16, 0|(1<<CGEN_OPERAND_SIGN_OPT)|(1<<CGEN_OPERAND_UNSIGNED), 0, 16, 16, 32, total_length, buffer); |
853713a7 DE |
427 | break; |
428 | case M32R_OPERAND_SLO16 : | |
5730d39d | 429 | errmsg = insert_normal (od, fields->f_simm16, 0, 0, 16, 16, 32, total_length, buffer); |
853713a7 DE |
430 | break; |
431 | case M32R_OPERAND_ULO16 : | |
5730d39d | 432 | errmsg = insert_normal (od, fields->f_uimm16, 0|(1<<CGEN_OPERAND_UNSIGNED), 0, 16, 16, 32, total_length, buffer); |
853713a7 DE |
433 | break; |
434 | case M32R_OPERAND_UIMM24 : | |
5730d39d | 435 | errmsg = insert_normal (od, fields->f_uimm24, 0|(1<<CGEN_OPERAND_HASH_PREFIX)|(1<<CGEN_OPERAND_RELOC)|(1<<CGEN_OPERAND_ABS_ADDR)|(1<<CGEN_OPERAND_UNSIGNED), 0, 8, 24, 32, total_length, buffer); |
853713a7 DE |
436 | break; |
437 | case M32R_OPERAND_DISP8 : | |
0bf55db8 | 438 | { |
fbc8134d | 439 | long value = fields->f_disp8; |
b00ea55c | 440 | value = ((int) (((value) - (((pc) & (-4))))) >> (2)); |
5730d39d | 441 | errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_RELAX)|(1<<CGEN_OPERAND_RELOC)|(1<<CGEN_OPERAND_PCREL_ADDR), 0, 8, 8, 32, total_length, buffer); |
0bf55db8 | 442 | } |
853713a7 DE |
443 | break; |
444 | case M32R_OPERAND_DISP16 : | |
0bf55db8 | 445 | { |
fbc8134d | 446 | long value = fields->f_disp16; |
b00ea55c | 447 | value = ((int) (((value) - (pc))) >> (2)); |
5730d39d | 448 | errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_RELOC)|(1<<CGEN_OPERAND_PCREL_ADDR), 0, 16, 16, 32, total_length, buffer); |
0bf55db8 | 449 | } |
853713a7 DE |
450 | break; |
451 | case M32R_OPERAND_DISP24 : | |
0bf55db8 | 452 | { |
fbc8134d | 453 | long value = fields->f_disp24; |
b00ea55c | 454 | value = ((int) (((value) - (pc))) >> (2)); |
5730d39d | 455 | errmsg = insert_normal (od, value, 0|(1<<CGEN_OPERAND_RELAX)|(1<<CGEN_OPERAND_RELOC)|(1<<CGEN_OPERAND_PCREL_ADDR), 0, 8, 24, 32, total_length, buffer); |
0bf55db8 | 456 | } |
853713a7 DE |
457 | break; |
458 | ||
459 | default : | |
cbc6c9b2 DE |
460 | /* xgettext:c-format */ |
461 | fprintf (stderr, _("Unrecognized field %d while building insn.\n"), | |
853713a7 DE |
462 | opindex); |
463 | abort (); | |
464 | } | |
465 | ||
466 | return errmsg; | |
467 | } | |
468 | ||
617e3d09 | 469 | cgen_parse_fn * const m32r_cgen_parse_handlers[] = |
5d07b6cf DE |
470 | { |
471 | 0, /* default */ | |
853713a7 DE |
472 | parse_insn_normal, |
473 | }; | |
474 | ||
617e3d09 | 475 | cgen_insert_fn * const m32r_cgen_insert_handlers[] = |
5d07b6cf DE |
476 | { |
477 | 0, /* default */ | |
853713a7 DE |
478 | insert_insn_normal, |
479 | }; | |
480 | ||
481 | void | |
617e3d09 DE |
482 | m32r_cgen_init_asm (od) |
483 | CGEN_OPCODE_DESC od; | |
853713a7 | 484 | { |
853713a7 DE |
485 | } |
486 | ||
1294c286 | 487 | \f |
617e3d09 DE |
488 | #if ! CGEN_INT_INSN_P |
489 | ||
490 | /* Subroutine of insert_normal. */ | |
491 | ||
492 | static INLINE void | |
493 | insert_1 (od, value, start, length, word_length, bufp) | |
494 | CGEN_OPCODE_DESC od; | |
495 | unsigned long value; | |
496 | int start,length,word_length; | |
497 | unsigned char *bufp; | |
498 | { | |
499 | unsigned long x,mask; | |
500 | int shift; | |
501 | int big_p = CGEN_OPCODE_INSN_ENDIAN (od) == CGEN_ENDIAN_BIG; | |
502 | ||
503 | switch (word_length) | |
504 | { | |
505 | case 8: | |
506 | x = *bufp; | |
507 | break; | |
508 | case 16: | |
509 | if (big_p) | |
510 | x = bfd_getb16 (bufp); | |
511 | else | |
512 | x = bfd_getl16 (bufp); | |
513 | break; | |
514 | case 24: | |
515 | /* ??? This may need reworking as these cases don't necessarily | |
516 | want the first byte and the last two bytes handled like this. */ | |
517 | if (big_p) | |
5730d39d | 518 | x = (bufp[0] << 16) | bfd_getb16 (bufp + 1); |
617e3d09 | 519 | else |
5730d39d | 520 | x = bfd_getl16 (bufp) | (bufp[2] << 16); |
617e3d09 DE |
521 | break; |
522 | case 32: | |
523 | if (big_p) | |
524 | x = bfd_getb32 (bufp); | |
525 | else | |
526 | x = bfd_getl32 (bufp); | |
527 | break; | |
528 | default : | |
529 | abort (); | |
530 | } | |
531 | ||
532 | /* Written this way to avoid undefined behaviour. */ | |
533 | mask = (((1L << (length - 1)) - 1) << 1) | 1; | |
534 | if (CGEN_INSN_LSB0_P) | |
5730d39d | 535 | shift = (start + 1) - length; |
617e3d09 DE |
536 | else |
537 | shift = (word_length - (start + length)); | |
538 | x = (x & ~(mask << shift)) | ((value & mask) << shift); | |
539 | ||
540 | switch (word_length) | |
541 | { | |
542 | case 8: | |
543 | *bufp = x; | |
544 | break; | |
545 | case 16: | |
546 | if (big_p) | |
547 | bfd_putb16 (x, bufp); | |
548 | else | |
549 | bfd_putl16 (x, bufp); | |
550 | break; | |
551 | case 24: | |
552 | /* ??? This may need reworking as these cases don't necessarily | |
553 | want the first byte and the last two bytes handled like this. */ | |
554 | if (big_p) | |
555 | { | |
5730d39d | 556 | bufp[0] = x >> 16; |
617e3d09 DE |
557 | bfd_putb16 (x, bufp + 1); |
558 | } | |
559 | else | |
560 | { | |
561 | bfd_putl16 (x, bufp); | |
5730d39d | 562 | bufp[2] = x >> 16; |
617e3d09 DE |
563 | } |
564 | break; | |
565 | case 32: | |
566 | if (big_p) | |
567 | bfd_putb32 (x, bufp); | |
568 | else | |
569 | bfd_putl32 (x, bufp); | |
570 | break; | |
571 | default : | |
572 | abort (); | |
573 | } | |
574 | } | |
575 | ||
576 | #endif /* ! CGEN_INT_INSN_P */ | |
577 | ||
1294c286 DE |
578 | /* Default insertion routine. |
579 | ||
580 | ATTRS is a mask of the boolean attributes. | |
5730d39d DE |
581 | WORD_OFFSET is the offset in bits from the start of the insn of the value. |
582 | WORD_LENGTH is the length of the word in bits in which the value resides. | |
583 | START is the starting bit number in the word, architecture origin. | |
1294c286 | 584 | LENGTH is the length of VALUE in bits. |
5730d39d | 585 | TOTAL_LENGTH is the total length of the insn in bits. |
1294c286 DE |
586 | |
587 | The result is an error message or NULL if success. */ | |
588 | ||
589 | /* ??? This duplicates functionality with bfd's howto table and | |
590 | bfd_install_relocation. */ | |
617e3d09 DE |
591 | /* ??? This doesn't handle bfd_vma's. Create another function when |
592 | necessary. */ | |
1294c286 DE |
593 | |
594 | static const char * | |
5730d39d DE |
595 | insert_normal (od, value, attrs, word_offset, start, length, word_length, |
596 | total_length, buffer) | |
617e3d09 | 597 | CGEN_OPCODE_DESC od; |
1294c286 DE |
598 | long value; |
599 | unsigned int attrs; | |
5730d39d | 600 | unsigned int word_offset, start, length, word_length, total_length; |
617e3d09 | 601 | CGEN_INSN_BYTES_PTR buffer; |
1294c286 | 602 | { |
617e3d09 DE |
603 | static char errbuf[100]; |
604 | /* Written this way to avoid undefined behaviour. */ | |
605 | unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1; | |
cbc6c9b2 DE |
606 | |
607 | /* If LENGTH is zero, this operand doesn't contribute to the value. */ | |
608 | if (length == 0) | |
609 | return NULL; | |
1294c286 | 610 | |
5730d39d DE |
611 | if (CGEN_INT_INSN_P |
612 | && word_offset != 0) | |
613 | abort (); | |
614 | ||
615 | if (word_length > 32) | |
616 | abort (); | |
617 | ||
618 | /* For architectures with insns smaller than the insn-base-bitsize, | |
619 | word_length may be too big. */ | |
620 | #if CGEN_MIN_INSN_BITSIZE < CGEN_BASE_INSN_BITSIZE | |
621 | if (word_offset == 0 | |
622 | && word_length > total_length) | |
623 | word_length = total_length; | |
624 | #endif | |
625 | ||
1294c286 | 626 | /* Ensure VALUE will fit. */ |
5730d39d | 627 | if (CGEN_BOOL_ATTR (attrs, CGEN_OPERAND_UNSIGNED)) |
1294c286 | 628 | { |
617e3d09 DE |
629 | unsigned long maxval = mask; |
630 | if ((unsigned long) value > maxval) | |
1294c286 | 631 | { |
cbc6c9b2 | 632 | /* xgettext:c-format */ |
617e3d09 DE |
633 | sprintf (errbuf, |
634 | _("operand out of range (%lu not between 0 and %lu)"), | |
635 | value, maxval); | |
636 | return errbuf; | |
1294c286 DE |
637 | } |
638 | } | |
639 | else | |
640 | { | |
617e3d09 DE |
641 | long minval = - (1L << (length - 1)); |
642 | long maxval = (1L << (length - 1)) - 1; | |
643 | if (value < minval || value > maxval) | |
1294c286 | 644 | { |
cbc6c9b2 DE |
645 | sprintf |
646 | /* xgettext:c-format */ | |
617e3d09 DE |
647 | (errbuf, _("operand out of range (%ld not between %ld and %ld)"), |
648 | value, minval, maxval); | |
649 | return errbuf; | |
1294c286 DE |
650 | } |
651 | } | |
652 | ||
617e3d09 DE |
653 | #if CGEN_INT_INSN_P |
654 | ||
617e3d09 DE |
655 | { |
656 | int shift; | |
657 | ||
658 | if (CGEN_INSN_LSB0_P) | |
5730d39d | 659 | shift = (start + 1) - length; |
617e3d09 | 660 | else |
5730d39d | 661 | shift = word_length - (start + length); |
617e3d09 DE |
662 | *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift); |
663 | } | |
664 | ||
5730d39d | 665 | #else /* ! CGEN_INT_INSN_P */ |
1294c286 | 666 | |
5730d39d DE |
667 | { |
668 | unsigned char *bufp = (unsigned char *) buffer + word_offset / 8; | |
617e3d09 | 669 | |
5730d39d DE |
670 | insert_1 (od, value, start, length, word_length, bufp); |
671 | } | |
617e3d09 DE |
672 | |
673 | #endif /* ! CGEN_INT_INSN_P */ | |
1294c286 DE |
674 | |
675 | return NULL; | |
676 | } | |
9c03036a DE |
677 | \f |
678 | /* Default insn parser. | |
679 | ||
680 | The syntax string is scanned and operands are parsed and stored in FIELDS. | |
681 | Relocs are queued as we go via other callbacks. | |
682 | ||
683 | ??? Note that this is currently an all-or-nothing parser. If we fail to | |
684 | parse the instruction, we return 0 and the caller will start over from | |
685 | the beginning. Backtracking will be necessary in parsing subexpressions, | |
686 | but that can be handled there. Not handling backtracking here may get | |
687 | expensive in the case of the m68k. Deal with later. | |
688 | ||
689 | Returns NULL for success, an error message for failure. | |
690 | */ | |
691 | ||
692 | static const char * | |
617e3d09 DE |
693 | parse_insn_normal (od, insn, strp, fields) |
694 | CGEN_OPCODE_DESC od; | |
0bf55db8 DE |
695 | const CGEN_INSN * insn; |
696 | const char ** strp; | |
697 | CGEN_FIELDS * fields; | |
9c03036a | 698 | { |
0bf55db8 DE |
699 | const CGEN_SYNTAX * syntax = CGEN_INSN_SYNTAX (insn); |
700 | const char * str = *strp; | |
701 | const char * errmsg; | |
702 | const char * p; | |
853713a7 | 703 | const unsigned char * syn; |
9c03036a | 704 | #ifdef CGEN_MNEMONIC_OPERANDS |
fbc8134d | 705 | /* FIXME: wip */ |
0bf55db8 | 706 | int past_opcode_p; |
9c03036a DE |
707 | #endif |
708 | ||
23cf992f | 709 | /* For now we assume the mnemonic is first (there are no leading operands). |
617e3d09 DE |
710 | We can parse it without needing to set up operand parsing. |
711 | GAS's input scrubber will ensure mnemonics are lowercase, but we may | |
712 | not be called from GAS. */ | |
23cf992f | 713 | p = CGEN_INSN_MNEMONIC (insn); |
617e3d09 DE |
714 | while (*p && tolower (*p) == tolower (*str)) |
715 | ++p, ++str; | |
cbc6c9b2 | 716 | |
853713a7 | 717 | if (* p || (* str && !isspace (* str))) |
cbc6c9b2 | 718 | return _("unrecognized instruction"); |
9c03036a | 719 | |
617e3d09 DE |
720 | CGEN_INIT_PARSE (od); |
721 | cgen_init_parse_operand (od); | |
9c03036a DE |
722 | #ifdef CGEN_MNEMONIC_OPERANDS |
723 | past_opcode_p = 0; | |
724 | #endif | |
725 | ||
726 | /* We don't check for (*str != '\0') here because we want to parse | |
727 | any trailing fake arguments in the syntax string. */ | |
617e3d09 | 728 | syn = CGEN_SYNTAX_STRING (syntax); |
0bf55db8 | 729 | |
23cf992f | 730 | /* Mnemonics come first for now, ensure valid string. */ |
853713a7 | 731 | if (! CGEN_SYNTAX_MNEMONIC_P (* syn)) |
23cf992f | 732 | abort (); |
0bf55db8 | 733 | |
23cf992f | 734 | ++syn; |
0bf55db8 | 735 | |
853713a7 | 736 | while (* syn != 0) |
9c03036a DE |
737 | { |
738 | /* Non operand chars must match exactly. */ | |
853713a7 | 739 | if (CGEN_SYNTAX_CHAR_P (* syn)) |
9c03036a | 740 | { |
853713a7 | 741 | if (*str == CGEN_SYNTAX_CHAR (* syn)) |
9c03036a DE |
742 | { |
743 | #ifdef CGEN_MNEMONIC_OPERANDS | |
853713a7 | 744 | if (* syn == ' ') |
9c03036a DE |
745 | past_opcode_p = 1; |
746 | #endif | |
853713a7 DE |
747 | ++ syn; |
748 | ++ str; | |
9c03036a DE |
749 | } |
750 | else | |
751 | { | |
752 | /* Syntax char didn't match. Can't be this insn. */ | |
0bf55db8 DE |
753 | /* FIXME: would like to return something like |
754 | "expected char `c'" */ | |
cbc6c9b2 | 755 | return _("syntax error"); |
9c03036a DE |
756 | } |
757 | continue; | |
758 | } | |
759 | ||
760 | /* We have an operand of some sort. */ | |
617e3d09 DE |
761 | errmsg = m32r_cgen_parse_operand (od, CGEN_SYNTAX_FIELD (*syn), |
762 | &str, fields); | |
9c03036a DE |
763 | if (errmsg) |
764 | return errmsg; | |
765 | ||
766 | /* Done with this operand, continue with next one. */ | |
853713a7 | 767 | ++ syn; |
9c03036a DE |
768 | } |
769 | ||
770 | /* If we're at the end of the syntax string, we're done. */ | |
853713a7 | 771 | if (* syn == '\0') |
9c03036a DE |
772 | { |
773 | /* FIXME: For the moment we assume a valid `str' can only contain | |
774 | blanks now. IE: We needn't try again with a longer version of | |
775 | the insn and it is assumed that longer versions of insns appear | |
776 | before shorter ones (eg: lsr r2,r3,1 vs lsr r2,r3). */ | |
853713a7 DE |
777 | while (isspace (* str)) |
778 | ++ str; | |
9c03036a | 779 | |
853713a7 | 780 | if (* str != '\0') |
cbc6c9b2 | 781 | return _("junk at end of line"); /* FIXME: would like to include `str' */ |
9c03036a DE |
782 | |
783 | return NULL; | |
784 | } | |
785 | ||
786 | /* We couldn't parse it. */ | |
617e3d09 | 787 | return _("unrecognized instruction"); |
9c03036a DE |
788 | } |
789 | ||
790 | /* Default insn builder (insert handler). | |
617e3d09 DE |
791 | The instruction is recorded in CGEN_INT_INSN_P byte order |
792 | (meaning that if CGEN_INT_INSN_P BUFFER is an int * and thus the value is | |
793 | recorded in host byte order, otherwise BUFFER is an array of bytes and the | |
794 | value is recorded in target byte order). | |
0bf55db8 | 795 | The result is an error message or NULL if success. */ |
9c03036a | 796 | |
0bf55db8 | 797 | static const char * |
617e3d09 DE |
798 | insert_insn_normal (od, insn, fields, buffer, pc) |
799 | CGEN_OPCODE_DESC od; | |
0bf55db8 DE |
800 | const CGEN_INSN * insn; |
801 | CGEN_FIELDS * fields; | |
617e3d09 | 802 | CGEN_INSN_BYTES_PTR buffer; |
fbc8134d | 803 | bfd_vma pc; |
9c03036a | 804 | { |
0bf55db8 | 805 | const CGEN_SYNTAX * syntax = CGEN_INSN_SYNTAX (insn); |
617e3d09 | 806 | unsigned long value; |
853713a7 | 807 | const unsigned char * syn; |
9c03036a | 808 | |
617e3d09 | 809 | CGEN_INIT_INSERT (od); |
5730d39d | 810 | value = CGEN_INSN_BASE_VALUE (insn); |
9c03036a DE |
811 | |
812 | /* If we're recording insns as numbers (rather than a string of bytes), | |
813 | target byte order handling is deferred until later. */ | |
617e3d09 DE |
814 | |
815 | #if CGEN_INT_INSN_P | |
816 | ||
9c03036a | 817 | *buffer = value; |
617e3d09 | 818 | |
9c03036a | 819 | #else |
617e3d09 | 820 | |
5730d39d | 821 | cgen_put_insn_value (od, buffer, min (CGEN_BASE_INSN_BITSIZE, |
617e3d09 DE |
822 | CGEN_FIELDS_BITSIZE (fields)), |
823 | value); | |
824 | ||
825 | #endif /* ! CGEN_INT_INSN_P */ | |
9c03036a | 826 | |
5730d39d DE |
827 | /* ??? It would be better to scan the format's fields. |
828 | Still need to be able to insert a value based on the operand though; | |
829 | e.g. storing a branch displacement that got resolved later. | |
830 | Needs more thought first. */ | |
9c03036a | 831 | |
853713a7 | 832 | for (syn = CGEN_SYNTAX_STRING (syntax); * syn != '\0'; ++ syn) |
9c03036a | 833 | { |
0bf55db8 DE |
834 | const char *errmsg; |
835 | ||
853713a7 | 836 | if (CGEN_SYNTAX_CHAR_P (* syn)) |
9c03036a DE |
837 | continue; |
838 | ||
617e3d09 DE |
839 | errmsg = m32r_cgen_insert_operand (od, CGEN_SYNTAX_FIELD (*syn), |
840 | fields, buffer, pc); | |
0bf55db8 DE |
841 | if (errmsg) |
842 | return errmsg; | |
9c03036a | 843 | } |
0bf55db8 DE |
844 | |
845 | return NULL; | |
9c03036a DE |
846 | } |
847 | \f | |
848 | /* Main entry point. | |
849 | This routine is called for each instruction to be assembled. | |
850 | STR points to the insn to be assembled. | |
851 | We assume all necessary tables have been initialized. | |
617e3d09 DE |
852 | The assembled instruction, less any fixups, is stored in BUF. |
853 | Remember that if CGEN_INT_INSN_P then BUF is an int and thus the value | |
854 | still needs to be converted to target byte order, otherwise BUF is an array | |
855 | of bytes in target byte order. | |
9c03036a DE |
856 | The result is a pointer to the insn's entry in the opcode table, |
857 | or NULL if an error occured (an error message will have already been | |
1294c286 DE |
858 | printed). |
859 | ||
860 | Note that when processing (non-alias) macro-insns, | |
861 | this function recurses. */ | |
9c03036a | 862 | |
23cf992f | 863 | const CGEN_INSN * |
617e3d09 DE |
864 | m32r_cgen_assemble_insn (od, str, fields, buf, errmsg) |
865 | CGEN_OPCODE_DESC od; | |
0bf55db8 | 866 | const char * str; |
853713a7 | 867 | CGEN_FIELDS * fields; |
617e3d09 | 868 | CGEN_INSN_BYTES_PTR buf; |
0bf55db8 | 869 | char ** errmsg; |
9c03036a | 870 | { |
0bf55db8 | 871 | const char * start; |
853713a7 | 872 | CGEN_INSN_LIST * ilist; |
9c03036a DE |
873 | |
874 | /* Skip leading white space. */ | |
853713a7 DE |
875 | while (isspace (* str)) |
876 | ++ str; | |
9c03036a DE |
877 | |
878 | /* The instructions are stored in hashed lists. | |
879 | Get the first in the list. */ | |
617e3d09 | 880 | ilist = CGEN_ASM_LOOKUP_INSN (od, str); |
9c03036a DE |
881 | |
882 | /* Keep looking until we find a match. */ | |
883 | ||
884 | start = str; | |
885 | for ( ; ilist != NULL ; ilist = CGEN_ASM_NEXT_INSN (ilist)) | |
886 | { | |
23cf992f | 887 | const CGEN_INSN *insn = ilist->insn; |
9c03036a DE |
888 | |
889 | #if 0 /* not needed as unsupported opcodes shouldn't be in the hash lists */ | |
890 | /* Is this insn supported by the selected cpu? */ | |
617e3d09 | 891 | if (! m32r_cgen_insn_supported (od, insn)) |
9c03036a DE |
892 | continue; |
893 | #endif | |
894 | ||
9c03036a DE |
895 | /* If the RELAX attribute is set, this is an insn that shouldn't be |
896 | chosen immediately. Instead, it is used during assembler/linker | |
897 | relaxation if possible. */ | |
898 | if (CGEN_INSN_ATTR (insn, CGEN_INSN_RELAX) != 0) | |
899 | continue; | |
9c03036a DE |
900 | |
901 | str = start; | |
902 | ||
5730d39d | 903 | /* Allow parse/insert handlers to obtain length of insn. */ |
9c03036a DE |
904 | CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); |
905 | ||
617e3d09 | 906 | if (! CGEN_PARSE_FN (insn) (od, insn, & str, fields)) |
9c03036a | 907 | { |
fbc8134d | 908 | /* ??? 0 is passed for `pc' */ |
617e3d09 | 909 | if (CGEN_INSERT_FN (insn) (od, insn, fields, buf, (bfd_vma) 0) != NULL) |
0bf55db8 | 910 | continue; |
9c03036a DE |
911 | /* It is up to the caller to actually output the insn and any |
912 | queued relocs. */ | |
913 | return insn; | |
914 | } | |
915 | ||
916 | /* Try the next entry. */ | |
917 | } | |
918 | ||
5b3b8cb0 DE |
919 | /* FIXME: We can return a better error message than this. |
920 | Need to track why it failed and pick the right one. */ | |
921 | { | |
922 | static char errbuf[100]; | |
cbc6c9b2 DE |
923 | if (strlen (start) > 50) |
924 | /* xgettext:c-format */ | |
925 | sprintf (errbuf, _("bad instruction `%.50s...'"), start); | |
926 | else | |
927 | /* xgettext:c-format */ | |
928 | sprintf (errbuf, _("bad instruction `%.50s'"), start); | |
929 | ||
5b3b8cb0 DE |
930 | *errmsg = errbuf; |
931 | return NULL; | |
932 | } | |
9c03036a DE |
933 | } |
934 | \f | |
5b3b8cb0 DE |
935 | #if 0 /* This calls back to GAS which we can't do without care. */ |
936 | ||
9c03036a | 937 | /* Record each member of OPVALS in the assembler's symbol table. |
5b3b8cb0 DE |
938 | This lets GAS parse registers for us. |
939 | ??? Interesting idea but not currently used. */ | |
9c03036a | 940 | |
23cf992f NC |
941 | /* Record each member of OPVALS in the assembler's symbol table. |
942 | FIXME: Not currently used. */ | |
943 | ||
9c03036a | 944 | void |
617e3d09 DE |
945 | m32r_cgen_asm_hash_keywords (od, opvals) |
946 | CGEN_OPCODE_DESC od; | |
853713a7 | 947 | CGEN_KEYWORD * opvals; |
9c03036a | 948 | { |
23cf992f | 949 | CGEN_KEYWORD_SEARCH search = cgen_keyword_search_init (opvals, NULL); |
853713a7 | 950 | const CGEN_KEYWORD_ENTRY * ke; |
9c03036a | 951 | |
853713a7 | 952 | while ((ke = cgen_keyword_search_next (& search)) != NULL) |
9c03036a DE |
953 | { |
954 | #if 0 /* Unnecessary, should be done in the search routine. */ | |
955 | if (! m32r_cgen_opval_supported (ke)) | |
956 | continue; | |
957 | #endif | |
617e3d09 | 958 | cgen_asm_record_register (od, ke->name, ke->value); |
9c03036a DE |
959 | } |
960 | } | |
5b3b8cb0 DE |
961 | |
962 | #endif /* 0 */ |