Commit | Line | Data |
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ae1b99e4 | 1 | /* tc-mn10300.c -- Assembler code for the Matsushita 10300 |
0f91d763 | 2 | |
e7ffb037 | 3 | Copyright (C) 1996, 1997, 1998 Free Software Foundation. |
0f91d763 JL |
4 | |
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GAS is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GAS; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <ctype.h> | |
24 | #include "as.h" | |
25 | #include "subsegs.h" | |
ae1b99e4 | 26 | #include "opcode/mn10300.h" |
0f91d763 JL |
27 | \f |
28 | /* Structure to hold information about predefined registers. */ | |
29 | struct reg_name | |
30 | { | |
31 | const char *name; | |
32 | int value; | |
33 | }; | |
34 | ||
35 | /* Generic assembler global variables which must be defined by all targets. */ | |
36 | ||
37 | /* Characters which always start a comment. */ | |
38 | const char comment_chars[] = "#"; | |
39 | ||
40 | /* Characters which start a comment at the beginning of a line. */ | |
41 | const char line_comment_chars[] = ";#"; | |
42 | ||
43 | /* Characters which may be used to separate multiple commands on a | |
44 | single line. */ | |
45 | const char line_separator_chars[] = ";"; | |
46 | ||
47 | /* Characters which are used to indicate an exponent in a floating | |
48 | point number. */ | |
49 | const char EXP_CHARS[] = "eE"; | |
50 | ||
51 | /* Characters which mean that a number is a floating point constant, | |
52 | as in 0d1.0. */ | |
53 | const char FLT_CHARS[] = "dD"; | |
54 | \f | |
55 | ||
590c50d8 ILT |
56 | const relax_typeS md_relax_table[] = { |
57 | /* bCC relaxing */ | |
58 | {0x7f, -0x80, 2, 1}, | |
59 | {0x7fff, -0x8000, 5, 2}, | |
60 | {0x7fffffff, -0x80000000, 7, 0}, | |
61 | ||
62 | /* bCC relaxing (uncommon cases) */ | |
63 | {0x7f, -0x80, 3, 4}, | |
64 | {0x7fff, -0x8000, 6, 5}, | |
65 | {0x7fffffff, -0x80000000, 8, 0}, | |
66 | ||
67 | /* call relaxing */ | |
68 | {0x7fff, -0x8000, 5, 7}, | |
69 | {0x7fffffff, -0x80000000, 7, 0}, | |
70 | ||
71 | /* calls relaxing */ | |
72 | {0x7fff, -0x8000, 4, 9}, | |
73 | {0x7fffffff, -0x80000000, 6, 0}, | |
74 | ||
75 | /* jmp relaxing */ | |
76 | {0x7f, -0x80, 2, 11}, | |
77 | {0x7fff, -0x8000, 3, 12}, | |
78 | {0x7fffffff, -0x80000000, 5, 0}, | |
79 | ||
80 | }; | |
81 | ||
0f91d763 | 82 | /* local functions */ |
43d695a1 JL |
83 | static void mn10300_insert_operand PARAMS ((unsigned long *, unsigned long *, |
84 | const struct mn10300_operand *, | |
85 | offsetT, char *, unsigned, | |
86 | unsigned)); | |
87 | static unsigned long check_operand PARAMS ((unsigned long, | |
88 | const struct mn10300_operand *, | |
89 | offsetT)); | |
0f91d763 | 90 | static int reg_name_search PARAMS ((const struct reg_name *, int, const char *)); |
ca82e4eb JL |
91 | static boolean data_register_name PARAMS ((expressionS *expressionP)); |
92 | static boolean address_register_name PARAMS ((expressionS *expressionP)); | |
93 | static boolean other_register_name PARAMS ((expressionS *expressionP)); | |
3be26805 | 94 | static void set_arch_mach PARAMS ((int)); |
0f91d763 | 95 | |
3be26805 | 96 | static int current_machine; |
0f91d763 JL |
97 | |
98 | /* fixups */ | |
99 | #define MAX_INSN_FIXUPS (5) | |
ae1b99e4 | 100 | struct mn10300_fixup |
0f91d763 JL |
101 | { |
102 | expressionS exp; | |
103 | int opindex; | |
104 | bfd_reloc_code_real_type reloc; | |
105 | }; | |
ae1b99e4 | 106 | struct mn10300_fixup fixups[MAX_INSN_FIXUPS]; |
0f91d763 | 107 | static int fc; |
711eeac0 JL |
108 | |
109 | /* We must store the value of each register operand so that we can | |
110 | verify that certain registers do not match. */ | |
111 | int mn10300_reg_operands[MN10300_MAX_OPERANDS]; | |
0f91d763 JL |
112 | \f |
113 | const char *md_shortopts = ""; | |
114 | struct option md_longopts[] = { | |
115 | {NULL, no_argument, NULL, 0} | |
116 | }; | |
117 | size_t md_longopts_size = sizeof(md_longopts); | |
118 | ||
119 | /* The target specific pseudo-ops which we support. */ | |
120 | const pseudo_typeS md_pseudo_table[] = | |
121 | { | |
3be26805 JL |
122 | { "am30", set_arch_mach, 300 }, |
123 | /* start-sanitize-am33 */ | |
124 | { "am33", set_arch_mach, 330 }, | |
125 | /* end-sanitize-am33 */ | |
126 | { "mn10300", set_arch_mach, 300 }, | |
127 | {NULL, 0, 0} | |
0f91d763 JL |
128 | }; |
129 | ||
130 | /* Opcode hash table. */ | |
ae1b99e4 | 131 | static struct hash_control *mn10300_hash; |
0f91d763 JL |
132 | |
133 | /* This table is sorted. Suitable for searching by a binary search. */ | |
1217102f | 134 | static const struct reg_name data_registers[] = |
0f91d763 | 135 | { |
ca82e4eb JL |
136 | { "d0", 0 }, |
137 | { "d1", 1 }, | |
138 | { "d2", 2 }, | |
139 | { "d3", 3 }, | |
0f91d763 | 140 | }; |
1217102f | 141 | #define DATA_REG_NAME_CNT (sizeof(data_registers) / sizeof(struct reg_name)) |
0f91d763 | 142 | |
1217102f | 143 | static const struct reg_name address_registers[] = |
0f91d763 | 144 | { |
ca82e4eb JL |
145 | { "a0", 0 }, |
146 | { "a1", 1 }, | |
147 | { "a2", 2 }, | |
148 | { "a3", 3 }, | |
0f91d763 | 149 | }; |
1217102f | 150 | #define ADDRESS_REG_NAME_CNT (sizeof(address_registers) / sizeof(struct reg_name)) |
0f91d763 | 151 | |
e7ffb037 JL |
152 | /* start-sanitize-am33 */ |
153 | static const struct reg_name r_registers[] = | |
154 | { | |
5d626b5e JL |
155 | { "a0", 8 }, |
156 | { "a1", 9 }, | |
157 | { "a2", 10 }, | |
158 | { "a3", 11 }, | |
41e9f56c | 159 | { "d0", 12 }, |
5d626b5e JL |
160 | { "d1", 13 }, |
161 | { "d2", 14 }, | |
162 | { "d3", 15 }, | |
163 | { "e0", 0 }, | |
164 | { "e1", 1 }, | |
41e9f56c JL |
165 | { "e10", 10 }, |
166 | { "e11", 11 }, | |
167 | { "e12", 12 }, | |
168 | { "e13", 13 }, | |
169 | { "e14", 14 }, | |
170 | { "e15", 15 }, | |
5d626b5e JL |
171 | { "e2", 2 }, |
172 | { "e3", 3 }, | |
173 | { "e4", 4 }, | |
174 | { "e5", 5 }, | |
175 | { "e6", 6 }, | |
176 | { "e7", 7 }, | |
177 | { "e8", 8 }, | |
178 | { "e9", 9 }, | |
e7ffb037 JL |
179 | { "r0", 0 }, |
180 | { "r1", 1 }, | |
181 | { "r10", 10 }, | |
182 | { "r11", 11 }, | |
183 | { "r12", 12 }, | |
184 | { "r13", 13 }, | |
185 | { "r14", 14 }, | |
186 | { "r15", 15 }, | |
187 | { "r2", 2 }, | |
188 | { "r3", 3 }, | |
189 | { "r4", 4 }, | |
190 | { "r5", 5 }, | |
191 | { "r6", 6 }, | |
192 | { "r7", 7 }, | |
193 | { "r8", 8 }, | |
194 | { "r9", 9 }, | |
195 | }; | |
196 | #define R_REG_NAME_CNT (sizeof(r_registers) / sizeof(struct reg_name)) | |
197 | ||
198 | static const struct reg_name xr_registers[] = | |
199 | { | |
5d626b5e JL |
200 | { "mcrh", 2 }, |
201 | { "mcrl", 3 }, | |
202 | { "mcvf", 4 }, | |
203 | { "mdrq", 1 }, | |
204 | { "sp", 0 }, | |
e7ffb037 JL |
205 | { "xr0", 0 }, |
206 | { "xr1", 1 }, | |
207 | { "xr10", 10 }, | |
208 | { "xr11", 11 }, | |
209 | { "xr12", 12 }, | |
210 | { "xr13", 13 }, | |
211 | { "xr14", 14 }, | |
212 | { "xr15", 15 }, | |
213 | { "xr2", 2 }, | |
214 | { "xr3", 3 }, | |
215 | { "xr4", 4 }, | |
216 | { "xr5", 5 }, | |
217 | { "xr6", 6 }, | |
218 | { "xr7", 7 }, | |
219 | { "xr8", 8 }, | |
220 | { "xr9", 9 }, | |
221 | }; | |
222 | #define XR_REG_NAME_CNT (sizeof(xr_registers) / sizeof(struct reg_name)) | |
223 | ||
224 | /* end-sanitize-am33 */ | |
225 | ||
1217102f | 226 | static const struct reg_name other_registers[] = |
0f91d763 | 227 | { |
ca82e4eb JL |
228 | { "mdr", 0 }, |
229 | { "psw", 0 }, | |
230 | { "sp", 0 }, | |
0f91d763 | 231 | }; |
1217102f | 232 | #define OTHER_REG_NAME_CNT (sizeof(other_registers) / sizeof(struct reg_name)) |
0f91d763 JL |
233 | |
234 | /* reg_name_search does a binary search of the given register table | |
235 | to see if "name" is a valid regiter name. Returns the register | |
236 | number from the array on success, or -1 on failure. */ | |
237 | ||
238 | static int | |
239 | reg_name_search (regs, regcount, name) | |
240 | const struct reg_name *regs; | |
241 | int regcount; | |
242 | const char *name; | |
243 | { | |
244 | int middle, low, high; | |
245 | int cmp; | |
246 | ||
247 | low = 0; | |
248 | high = regcount - 1; | |
249 | ||
250 | do | |
251 | { | |
252 | middle = (low + high) / 2; | |
253 | cmp = strcasecmp (name, regs[middle].name); | |
254 | if (cmp < 0) | |
255 | high = middle - 1; | |
256 | else if (cmp > 0) | |
257 | low = middle + 1; | |
258 | else | |
259 | return regs[middle].value; | |
260 | } | |
261 | while (low <= high); | |
262 | return -1; | |
263 | } | |
264 | ||
265 | ||
e7ffb037 JL |
266 | /* start-sanitize-am33 */ |
267 | /* Summary of register_name(). | |
268 | * | |
269 | * in: Input_line_pointer points to 1st char of operand. | |
270 | * | |
271 | * out: A expressionS. | |
272 | * The operand may have been a register: in this case, X_op == O_register, | |
273 | * X_add_number is set to the register number, and truth is returned. | |
274 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
275 | * its original state. | |
276 | */ | |
277 | static boolean | |
278 | r_register_name (expressionP) | |
279 | expressionS *expressionP; | |
280 | { | |
281 | int reg_number; | |
282 | char *name; | |
283 | char *start; | |
284 | char c; | |
285 | ||
286 | /* Find the spelling of the operand */ | |
287 | start = name = input_line_pointer; | |
288 | ||
289 | c = get_symbol_end (); | |
290 | reg_number = reg_name_search (r_registers, R_REG_NAME_CNT, name); | |
291 | ||
292 | /* look to see if it's in the register table */ | |
293 | if (reg_number >= 0) | |
294 | { | |
295 | expressionP->X_op = O_register; | |
296 | expressionP->X_add_number = reg_number; | |
297 | ||
298 | /* make the rest nice */ | |
299 | expressionP->X_add_symbol = NULL; | |
300 | expressionP->X_op_symbol = NULL; | |
301 | *input_line_pointer = c; /* put back the delimiting char */ | |
302 | return true; | |
303 | } | |
304 | else | |
305 | { | |
306 | /* reset the line as if we had not done anything */ | |
307 | *input_line_pointer = c; /* put back the delimiting char */ | |
308 | input_line_pointer = start; /* reset input_line pointer */ | |
309 | return false; | |
310 | } | |
311 | } | |
312 | ||
313 | /* Summary of register_name(). | |
314 | * | |
315 | * in: Input_line_pointer points to 1st char of operand. | |
316 | * | |
317 | * out: A expressionS. | |
318 | * The operand may have been a register: in this case, X_op == O_register, | |
319 | * X_add_number is set to the register number, and truth is returned. | |
320 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
321 | * its original state. | |
322 | */ | |
323 | static boolean | |
324 | xr_register_name (expressionP) | |
325 | expressionS *expressionP; | |
326 | { | |
327 | int reg_number; | |
328 | char *name; | |
329 | char *start; | |
330 | char c; | |
331 | ||
332 | /* Find the spelling of the operand */ | |
333 | start = name = input_line_pointer; | |
334 | ||
335 | c = get_symbol_end (); | |
336 | reg_number = reg_name_search (xr_registers, XR_REG_NAME_CNT, name); | |
337 | ||
338 | /* look to see if it's in the register table */ | |
339 | if (reg_number >= 0) | |
340 | { | |
341 | expressionP->X_op = O_register; | |
342 | expressionP->X_add_number = reg_number; | |
343 | ||
344 | /* make the rest nice */ | |
345 | expressionP->X_add_symbol = NULL; | |
346 | expressionP->X_op_symbol = NULL; | |
347 | *input_line_pointer = c; /* put back the delimiting char */ | |
348 | return true; | |
349 | } | |
350 | else | |
351 | { | |
352 | /* reset the line as if we had not done anything */ | |
353 | *input_line_pointer = c; /* put back the delimiting char */ | |
354 | input_line_pointer = start; /* reset input_line pointer */ | |
355 | return false; | |
356 | } | |
357 | } | |
358 | /* end-sanitize-am33 */ | |
359 | ||
0f91d763 JL |
360 | /* Summary of register_name(). |
361 | * | |
362 | * in: Input_line_pointer points to 1st char of operand. | |
363 | * | |
364 | * out: A expressionS. | |
365 | * The operand may have been a register: in this case, X_op == O_register, | |
366 | * X_add_number is set to the register number, and truth is returned. | |
367 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
368 | * its original state. | |
369 | */ | |
370 | static boolean | |
1217102f | 371 | data_register_name (expressionP) |
0f91d763 JL |
372 | expressionS *expressionP; |
373 | { | |
374 | int reg_number; | |
375 | char *name; | |
376 | char *start; | |
377 | char c; | |
378 | ||
379 | /* Find the spelling of the operand */ | |
380 | start = name = input_line_pointer; | |
381 | ||
382 | c = get_symbol_end (); | |
1217102f | 383 | reg_number = reg_name_search (data_registers, DATA_REG_NAME_CNT, name); |
0f91d763 JL |
384 | |
385 | /* look to see if it's in the register table */ | |
386 | if (reg_number >= 0) | |
387 | { | |
388 | expressionP->X_op = O_register; | |
389 | expressionP->X_add_number = reg_number; | |
390 | ||
391 | /* make the rest nice */ | |
392 | expressionP->X_add_symbol = NULL; | |
393 | expressionP->X_op_symbol = NULL; | |
394 | *input_line_pointer = c; /* put back the delimiting char */ | |
395 | return true; | |
396 | } | |
397 | else | |
398 | { | |
399 | /* reset the line as if we had not done anything */ | |
400 | *input_line_pointer = c; /* put back the delimiting char */ | |
401 | input_line_pointer = start; /* reset input_line pointer */ | |
402 | return false; | |
403 | } | |
404 | } | |
405 | ||
1217102f | 406 | /* Summary of register_name(). |
0f91d763 JL |
407 | * |
408 | * in: Input_line_pointer points to 1st char of operand. | |
409 | * | |
410 | * out: A expressionS. | |
411 | * The operand may have been a register: in this case, X_op == O_register, | |
412 | * X_add_number is set to the register number, and truth is returned. | |
413 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
414 | * its original state. | |
415 | */ | |
416 | static boolean | |
1217102f | 417 | address_register_name (expressionP) |
0f91d763 JL |
418 | expressionS *expressionP; |
419 | { | |
420 | int reg_number; | |
421 | char *name; | |
422 | char *start; | |
423 | char c; | |
424 | ||
425 | /* Find the spelling of the operand */ | |
426 | start = name = input_line_pointer; | |
427 | ||
428 | c = get_symbol_end (); | |
1217102f | 429 | reg_number = reg_name_search (address_registers, ADDRESS_REG_NAME_CNT, name); |
0f91d763 JL |
430 | |
431 | /* look to see if it's in the register table */ | |
432 | if (reg_number >= 0) | |
433 | { | |
434 | expressionP->X_op = O_register; | |
435 | expressionP->X_add_number = reg_number; | |
436 | ||
437 | /* make the rest nice */ | |
438 | expressionP->X_add_symbol = NULL; | |
439 | expressionP->X_op_symbol = NULL; | |
440 | *input_line_pointer = c; /* put back the delimiting char */ | |
441 | return true; | |
442 | } | |
443 | else | |
444 | { | |
445 | /* reset the line as if we had not done anything */ | |
446 | *input_line_pointer = c; /* put back the delimiting char */ | |
447 | input_line_pointer = start; /* reset input_line pointer */ | |
448 | return false; | |
449 | } | |
450 | } | |
451 | ||
1217102f | 452 | /* Summary of register_name(). |
0f91d763 JL |
453 | * |
454 | * in: Input_line_pointer points to 1st char of operand. | |
455 | * | |
456 | * out: A expressionS. | |
457 | * The operand may have been a register: in this case, X_op == O_register, | |
458 | * X_add_number is set to the register number, and truth is returned. | |
459 | * Input_line_pointer->(next non-blank) char after operand, or is in | |
460 | * its original state. | |
461 | */ | |
462 | static boolean | |
1217102f | 463 | other_register_name (expressionP) |
0f91d763 JL |
464 | expressionS *expressionP; |
465 | { | |
466 | int reg_number; | |
467 | char *name; | |
468 | char *start; | |
469 | char c; | |
470 | ||
471 | /* Find the spelling of the operand */ | |
472 | start = name = input_line_pointer; | |
473 | ||
474 | c = get_symbol_end (); | |
1217102f | 475 | reg_number = reg_name_search (other_registers, OTHER_REG_NAME_CNT, name); |
0f91d763 JL |
476 | |
477 | /* look to see if it's in the register table */ | |
478 | if (reg_number >= 0) | |
479 | { | |
1217102f | 480 | expressionP->X_op = O_register; |
0f91d763 JL |
481 | expressionP->X_add_number = reg_number; |
482 | ||
483 | /* make the rest nice */ | |
484 | expressionP->X_add_symbol = NULL; | |
485 | expressionP->X_op_symbol = NULL; | |
486 | *input_line_pointer = c; /* put back the delimiting char */ | |
487 | return true; | |
488 | } | |
489 | else | |
490 | { | |
491 | /* reset the line as if we had not done anything */ | |
492 | *input_line_pointer = c; /* put back the delimiting char */ | |
493 | input_line_pointer = start; /* reset input_line pointer */ | |
494 | return false; | |
495 | } | |
496 | } | |
497 | ||
498 | void | |
499 | md_show_usage (stream) | |
500 | FILE *stream; | |
501 | { | |
e7ffb037 JL |
502 | fprintf(stream, _("MN10300 options:\n\ |
503 | none yet\n")); | |
0f91d763 JL |
504 | } |
505 | ||
506 | int | |
507 | md_parse_option (c, arg) | |
508 | int c; | |
509 | char *arg; | |
510 | { | |
511 | return 0; | |
512 | } | |
513 | ||
514 | symbolS * | |
515 | md_undefined_symbol (name) | |
516 | char *name; | |
517 | { | |
518 | return 0; | |
519 | } | |
520 | ||
521 | char * | |
522 | md_atof (type, litp, sizep) | |
523 | int type; | |
524 | char *litp; | |
525 | int *sizep; | |
526 | { | |
527 | int prec; | |
528 | LITTLENUM_TYPE words[4]; | |
529 | char *t; | |
530 | int i; | |
531 | ||
532 | switch (type) | |
533 | { | |
534 | case 'f': | |
535 | prec = 2; | |
536 | break; | |
537 | ||
538 | case 'd': | |
539 | prec = 4; | |
540 | break; | |
541 | ||
542 | default: | |
543 | *sizep = 0; | |
544 | return "bad call to md_atof"; | |
545 | } | |
546 | ||
547 | t = atof_ieee (input_line_pointer, type, words); | |
548 | if (t) | |
549 | input_line_pointer = t; | |
550 | ||
551 | *sizep = prec * 2; | |
552 | ||
553 | for (i = prec - 1; i >= 0; i--) | |
554 | { | |
555 | md_number_to_chars (litp, (valueT) words[i], 2); | |
556 | litp += 2; | |
557 | } | |
558 | ||
559 | return NULL; | |
560 | } | |
561 | ||
562 | ||
563 | void | |
564 | md_convert_frag (abfd, sec, fragP) | |
565 | bfd *abfd; | |
566 | asection *sec; | |
567 | fragS *fragP; | |
568 | { | |
590c50d8 ILT |
569 | static unsigned long label_count = 0; |
570 | char buf[40]; | |
571 | ||
572 | subseg_change (sec, 0); | |
573 | if (fragP->fr_subtype == 0) | |
574 | { | |
575 | fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, | |
576 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
577 | fragP->fr_var = 0; | |
578 | fragP->fr_fix += 2; | |
579 | } | |
580 | else if (fragP->fr_subtype == 1) | |
581 | { | |
582 | /* Reverse the condition of the first branch. */ | |
583 | int offset = fragP->fr_fix; | |
584 | int opcode = fragP->fr_literal[offset] & 0xff; | |
585 | ||
586 | switch (opcode) | |
587 | { | |
588 | case 0xc8: | |
589 | opcode = 0xc9; | |
590 | break; | |
591 | case 0xc9: | |
592 | opcode = 0xc8; | |
593 | break; | |
594 | case 0xc0: | |
595 | opcode = 0xc2; | |
596 | break; | |
597 | case 0xc2: | |
598 | opcode = 0xc0; | |
599 | break; | |
600 | case 0xc3: | |
601 | opcode = 0xc1; | |
602 | break; | |
603 | case 0xc1: | |
604 | opcode = 0xc3; | |
605 | break; | |
606 | case 0xc4: | |
607 | opcode = 0xc6; | |
608 | break; | |
609 | case 0xc6: | |
610 | opcode = 0xc4; | |
611 | break; | |
612 | case 0xc7: | |
613 | opcode = 0xc5; | |
614 | break; | |
615 | case 0xc5: | |
616 | opcode = 0xc7; | |
617 | break; | |
618 | default: | |
619 | abort (); | |
620 | } | |
621 | fragP->fr_literal[offset] = opcode; | |
622 | ||
623 | /* Create a fixup for the reversed conditional branch. */ | |
e7ffb037 | 624 | sprintf (buf, ".%s_%d", FAKE_LABEL_NAME, label_count++); |
590c50d8 ILT |
625 | fix_new (fragP, fragP->fr_fix + 1, 1, |
626 | symbol_new (buf, sec, 0, fragP->fr_next), | |
627 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
628 | ||
629 | /* Now create the unconditional branch + fixup to the | |
630 | final target. */ | |
631 | fragP->fr_literal[offset + 2] = 0xcc; | |
632 | fix_new (fragP, fragP->fr_fix + 3, 2, fragP->fr_symbol, | |
633 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
634 | fragP->fr_var = 0; | |
635 | fragP->fr_fix += 5; | |
636 | } | |
637 | else if (fragP->fr_subtype == 2) | |
638 | { | |
639 | /* Reverse the condition of the first branch. */ | |
640 | int offset = fragP->fr_fix; | |
641 | int opcode = fragP->fr_literal[offset] & 0xff; | |
642 | ||
643 | switch (opcode) | |
644 | { | |
645 | case 0xc8: | |
646 | opcode = 0xc9; | |
647 | break; | |
648 | case 0xc9: | |
649 | opcode = 0xc8; | |
650 | break; | |
651 | case 0xc0: | |
652 | opcode = 0xc2; | |
653 | break; | |
654 | case 0xc2: | |
655 | opcode = 0xc0; | |
656 | break; | |
657 | case 0xc3: | |
658 | opcode = 0xc1; | |
659 | break; | |
660 | case 0xc1: | |
661 | opcode = 0xc3; | |
662 | break; | |
663 | case 0xc4: | |
664 | opcode = 0xc6; | |
665 | break; | |
666 | case 0xc6: | |
667 | opcode = 0xc4; | |
668 | break; | |
669 | case 0xc7: | |
670 | opcode = 0xc5; | |
671 | break; | |
672 | case 0xc5: | |
673 | opcode = 0xc7; | |
674 | break; | |
675 | default: | |
676 | abort (); | |
677 | } | |
678 | fragP->fr_literal[offset] = opcode; | |
679 | ||
680 | /* Create a fixup for the reversed conditional branch. */ | |
e7ffb037 | 681 | sprintf (buf, ".%s_%d", FAKE_LABEL_NAME, label_count++); |
590c50d8 ILT |
682 | fix_new (fragP, fragP->fr_fix + 1, 1, |
683 | symbol_new (buf, sec, 0, fragP->fr_next), | |
684 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
685 | ||
686 | /* Now create the unconditional branch + fixup to the | |
687 | final target. */ | |
688 | fragP->fr_literal[offset + 2] = 0xdc; | |
689 | fix_new (fragP, fragP->fr_fix + 3, 4, fragP->fr_symbol, | |
690 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
691 | fragP->fr_var = 0; | |
692 | fragP->fr_fix += 7; | |
693 | } | |
694 | else if (fragP->fr_subtype == 3) | |
695 | { | |
696 | fix_new (fragP, fragP->fr_fix + 2, 1, fragP->fr_symbol, | |
697 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
698 | fragP->fr_var = 0; | |
699 | fragP->fr_fix += 3; | |
700 | } | |
701 | else if (fragP->fr_subtype == 4) | |
702 | { | |
703 | /* Reverse the condition of the first branch. */ | |
704 | int offset = fragP->fr_fix; | |
705 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
706 | ||
707 | switch (opcode) | |
708 | { | |
709 | case 0xe8: | |
710 | opcode = 0xe9; | |
711 | break; | |
712 | case 0xe9: | |
713 | opcode = 0xe8; | |
714 | break; | |
715 | case 0xea: | |
716 | opcode = 0xeb; | |
717 | break; | |
718 | case 0xeb: | |
719 | opcode = 0xea; | |
720 | break; | |
721 | default: | |
722 | abort (); | |
723 | } | |
724 | fragP->fr_literal[offset + 1] = opcode; | |
725 | ||
726 | /* Create a fixup for the reversed conditional branch. */ | |
e7ffb037 | 727 | sprintf (buf, ".%s_%d", FAKE_LABEL_NAME, label_count++); |
590c50d8 ILT |
728 | fix_new (fragP, fragP->fr_fix + 2, 1, |
729 | symbol_new (buf, sec, 0, fragP->fr_next), | |
730 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
731 | ||
732 | /* Now create the unconditional branch + fixup to the | |
733 | final target. */ | |
734 | fragP->fr_literal[offset + 3] = 0xcc; | |
735 | fix_new (fragP, fragP->fr_fix + 4, 2, fragP->fr_symbol, | |
736 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
737 | fragP->fr_var = 0; | |
738 | fragP->fr_fix += 6; | |
739 | } | |
740 | else if (fragP->fr_subtype == 5) | |
741 | { | |
742 | /* Reverse the condition of the first branch. */ | |
743 | int offset = fragP->fr_fix; | |
744 | int opcode = fragP->fr_literal[offset + 1] & 0xff; | |
745 | ||
746 | switch (opcode) | |
747 | { | |
748 | case 0xe8: | |
749 | opcode = 0xe9; | |
750 | break; | |
751 | case 0xea: | |
752 | opcode = 0xeb; | |
753 | break; | |
754 | case 0xeb: | |
755 | opcode = 0xea; | |
756 | break; | |
757 | default: | |
758 | abort (); | |
759 | } | |
760 | fragP->fr_literal[offset + 1] = opcode; | |
761 | ||
762 | /* Create a fixup for the reversed conditional branch. */ | |
e7ffb037 | 763 | sprintf (buf, ".%s_%d", FAKE_LABEL_NAME, label_count++); |
590c50d8 ILT |
764 | fix_new (fragP, fragP->fr_fix + 2, 1, |
765 | symbol_new (buf, sec, 0, fragP->fr_next), | |
766 | fragP->fr_offset + 2, 1, BFD_RELOC_8_PCREL); | |
767 | ||
768 | /* Now create the unconditional branch + fixup to the | |
769 | final target. */ | |
770 | fragP->fr_literal[offset + 3] = 0xdc; | |
771 | fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol, | |
772 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
773 | fragP->fr_var = 0; | |
774 | fragP->fr_fix += 8; | |
775 | } | |
776 | else if (fragP->fr_subtype == 6) | |
777 | { | |
778 | int offset = fragP->fr_fix; | |
779 | fragP->fr_literal[offset] = 0xcd; | |
780 | fix_new (fragP, fragP->fr_fix + 1, 2, fragP->fr_symbol, | |
781 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
782 | fragP->fr_var = 0; | |
783 | fragP->fr_fix += 5; | |
784 | } | |
785 | else if (fragP->fr_subtype == 7) | |
786 | { | |
787 | int offset = fragP->fr_fix; | |
788 | fragP->fr_literal[offset] = 0xdd; | |
789 | fragP->fr_literal[offset + 5] = fragP->fr_literal[offset + 3]; | |
790 | fragP->fr_literal[offset + 6] = fragP->fr_literal[offset + 4]; | |
791 | ||
e7ffb037 JL |
792 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, |
793 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
590c50d8 ILT |
794 | fragP->fr_var = 0; |
795 | fragP->fr_fix += 7; | |
796 | } | |
797 | else if (fragP->fr_subtype == 8) | |
798 | { | |
799 | int offset = fragP->fr_fix; | |
800 | fragP->fr_literal[offset] = 0xfa; | |
801 | fragP->fr_literal[offset + 1] = 0xff; | |
802 | fix_new (fragP, fragP->fr_fix + 2, 2, fragP->fr_symbol, | |
803 | fragP->fr_offset + 2, 1, BFD_RELOC_16_PCREL); | |
804 | fragP->fr_var = 0; | |
805 | fragP->fr_fix += 4; | |
806 | } | |
807 | else if (fragP->fr_subtype == 9) | |
808 | { | |
809 | int offset = fragP->fr_fix; | |
810 | fragP->fr_literal[offset] = 0xfc; | |
811 | fragP->fr_literal[offset + 1] = 0xff; | |
812 | ||
813 | fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol, | |
814 | fragP->fr_offset + 2, 1, BFD_RELOC_32_PCREL); | |
815 | fragP->fr_var = 0; | |
816 | fragP->fr_fix += 6; | |
817 | } | |
818 | else if (fragP->fr_subtype == 10) | |
819 | { | |
820 | fragP->fr_literal[fragP->fr_fix] = 0xca; | |
821 | fix_new (fragP, fragP->fr_fix + 1, 1, fragP->fr_symbol, | |
822 | fragP->fr_offset + 1, 1, BFD_RELOC_8_PCREL); | |
823 | fragP->fr_var = 0; | |
824 | fragP->fr_fix += 2; | |
825 | } | |
826 | else if (fragP->fr_subtype == 11) | |
827 | { | |
828 | int offset = fragP->fr_fix; | |
829 | fragP->fr_literal[offset] = 0xcc; | |
830 | ||
831 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, | |
832 | fragP->fr_offset + 1, 1, BFD_RELOC_16_PCREL); | |
833 | fragP->fr_var = 0; | |
834 | fragP->fr_fix += 3; | |
835 | } | |
836 | else if (fragP->fr_subtype == 12) | |
837 | { | |
838 | int offset = fragP->fr_fix; | |
839 | fragP->fr_literal[offset] = 0xdc; | |
840 | ||
841 | fix_new (fragP, fragP->fr_fix + 1, 4, fragP->fr_symbol, | |
842 | fragP->fr_offset + 1, 1, BFD_RELOC_32_PCREL); | |
843 | fragP->fr_var = 0; | |
844 | fragP->fr_fix += 5; | |
845 | } | |
846 | else | |
847 | abort (); | |
0f91d763 JL |
848 | } |
849 | ||
850 | valueT | |
851 | md_section_align (seg, addr) | |
852 | asection *seg; | |
853 | valueT addr; | |
854 | { | |
855 | int align = bfd_get_section_alignment (stdoutput, seg); | |
856 | return ((addr + (1 << align) - 1) & (-1 << align)); | |
857 | } | |
858 | ||
859 | void | |
860 | md_begin () | |
861 | { | |
862 | char *prev_name = ""; | |
ae1b99e4 | 863 | register const struct mn10300_opcode *op; |
0f91d763 | 864 | |
ae1b99e4 | 865 | mn10300_hash = hash_new(); |
0f91d763 | 866 | |
ae1b99e4 | 867 | /* Insert unique names into hash table. The MN10300 instruction set |
0f91d763 JL |
868 | has many identical opcode names that have different opcodes based |
869 | on the operands. This hash table then provides a quick index to | |
870 | the first opcode with a particular name in the opcode table. */ | |
871 | ||
d9a9c18f | 872 | op = mn10300_opcodes; |
0f91d763 JL |
873 | while (op->name) |
874 | { | |
875 | if (strcmp (prev_name, op->name)) | |
876 | { | |
877 | prev_name = (char *) op->name; | |
ae1b99e4 | 878 | hash_insert (mn10300_hash, op->name, (char *) op); |
0f91d763 JL |
879 | } |
880 | op++; | |
881 | } | |
d9a9c18f JL |
882 | |
883 | /* This is both a simplification (we don't have to write md_apply_fix) | |
884 | and support for future optimizations (branch shortening and similar | |
711eeac0 | 885 | stuff in the linker). */ |
d9a9c18f | 886 | linkrelax = 1; |
3be26805 JL |
887 | |
888 | /* Set the default machine type. */ | |
889 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, 300)) | |
890 | as_warn (_("could not set architecture and machine")); | |
891 | ||
892 | current_machine = 300; | |
0f91d763 JL |
893 | } |
894 | ||
0f91d763 JL |
895 | void |
896 | md_assemble (str) | |
897 | char *str; | |
898 | { | |
899 | char *s; | |
ae1b99e4 JL |
900 | struct mn10300_opcode *opcode; |
901 | struct mn10300_opcode *next_opcode; | |
0f91d763 | 902 | const unsigned char *opindex_ptr; |
590c50d8 | 903 | int next_opindex, relaxable; |
ca82e4eb | 904 | unsigned long insn, extension, size = 0; |
0f91d763 JL |
905 | char *f; |
906 | int i; | |
907 | int match; | |
0f91d763 JL |
908 | |
909 | /* Get the opcode. */ | |
910 | for (s = str; *s != '\0' && ! isspace (*s); s++) | |
911 | ; | |
912 | if (*s != '\0') | |
913 | *s++ = '\0'; | |
914 | ||
915 | /* find the first opcode with the proper name */ | |
ae1b99e4 | 916 | opcode = (struct mn10300_opcode *)hash_find (mn10300_hash, str); |
0f91d763 JL |
917 | if (opcode == NULL) |
918 | { | |
e7ffb037 | 919 | as_bad (_("Unrecognized opcode: `%s'"), str); |
0f91d763 JL |
920 | return; |
921 | } | |
922 | ||
923 | str = s; | |
924 | while (isspace (*str)) | |
925 | ++str; | |
926 | ||
927 | input_line_pointer = str; | |
928 | ||
929 | for(;;) | |
930 | { | |
711eeac0 | 931 | const char *errmsg; |
1217102f | 932 | int op_idx; |
1217102f | 933 | char *hold; |
68328dc6 | 934 | int extra_shift = 0; |
0f91d763 | 935 | |
3be26805 | 936 | |
711eeac0 JL |
937 | errmsg = _("Invalid opcode/operands"); |
938 | ||
939 | /* Reset the array of register operands. */ | |
940 | memset (mn10300_reg_operands, -1, sizeof (mn10300_reg_operands)); | |
941 | ||
590c50d8 | 942 | relaxable = 0; |
0f91d763 JL |
943 | fc = 0; |
944 | match = 0; | |
945 | next_opindex = 0; | |
946 | insn = opcode->opcode; | |
bfe5059c | 947 | extension = 0; |
3be26805 JL |
948 | |
949 | /* If the instruction is not available on the current machine | |
950 | then it can not possibly match. */ | |
951 | if (opcode->machine | |
952 | && (opcode->machine != current_machine)) | |
953 | goto error; | |
954 | ||
1217102f JL |
955 | for (op_idx = 1, opindex_ptr = opcode->operands; |
956 | *opindex_ptr != 0; | |
957 | opindex_ptr++, op_idx++) | |
0f91d763 | 958 | { |
ae1b99e4 | 959 | const struct mn10300_operand *operand; |
0f91d763 JL |
960 | expressionS ex; |
961 | ||
962 | if (next_opindex == 0) | |
963 | { | |
ae1b99e4 | 964 | operand = &mn10300_operands[*opindex_ptr]; |
0f91d763 JL |
965 | } |
966 | else | |
967 | { | |
ae1b99e4 | 968 | operand = &mn10300_operands[next_opindex]; |
0f91d763 JL |
969 | next_opindex = 0; |
970 | } | |
971 | ||
7f02192d | 972 | while (*str == ' ' || *str == ',') |
0f91d763 JL |
973 | ++str; |
974 | ||
590c50d8 ILT |
975 | if (operand->flags & MN10300_OPERAND_RELAX) |
976 | relaxable = 1; | |
977 | ||
0f91d763 JL |
978 | /* Gather the operand. */ |
979 | hold = input_line_pointer; | |
980 | input_line_pointer = str; | |
981 | ||
a6be605a JL |
982 | if (operand->flags & MN10300_OPERAND_PAREN) |
983 | { | |
984 | if (*input_line_pointer != ')' && *input_line_pointer != '(') | |
985 | { | |
986 | input_line_pointer = hold; | |
987 | str = hold; | |
988 | goto error; | |
989 | } | |
1217102f | 990 | input_line_pointer++; |
a6be605a | 991 | goto keep_going; |
1217102f | 992 | } |
1217102f | 993 | /* See if we can match the operands. */ |
a6be605a | 994 | else if (operand->flags & MN10300_OPERAND_DREG) |
0f91d763 | 995 | { |
1217102f | 996 | if (!data_register_name (&ex)) |
0f91d763 | 997 | { |
1217102f JL |
998 | input_line_pointer = hold; |
999 | str = hold; | |
0f91d763 JL |
1000 | goto error; |
1001 | } | |
1217102f JL |
1002 | } |
1003 | else if (operand->flags & MN10300_OPERAND_AREG) | |
1004 | { | |
1005 | if (!address_register_name (&ex)) | |
0f91d763 | 1006 | { |
1217102f JL |
1007 | input_line_pointer = hold; |
1008 | str = hold; | |
1009 | goto error; | |
0f91d763 | 1010 | } |
1217102f JL |
1011 | } |
1012 | else if (operand->flags & MN10300_OPERAND_SP) | |
1013 | { | |
1014 | char *start = input_line_pointer; | |
1015 | char c = get_symbol_end (); | |
1016 | ||
e7ffb037 | 1017 | if (strcasecmp (start, "sp") != 0) |
1217102f JL |
1018 | { |
1019 | *input_line_pointer = c; | |
1020 | input_line_pointer = hold; | |
1021 | str = hold; | |
1022 | goto error; | |
1023 | } | |
1024 | *input_line_pointer = c; | |
1025 | goto keep_going; | |
1026 | } | |
e7ffb037 JL |
1027 | /* start-sanitize-am33 */ |
1028 | else if (operand->flags & MN10300_OPERAND_RREG) | |
1029 | { | |
1030 | if (!r_register_name (&ex)) | |
1031 | { | |
1032 | input_line_pointer = hold; | |
1033 | str = hold; | |
1034 | goto error; | |
1035 | } | |
1036 | } | |
1037 | else if (operand->flags & MN10300_OPERAND_XRREG) | |
1038 | { | |
1039 | if (!xr_register_name (&ex)) | |
1040 | { | |
1041 | input_line_pointer = hold; | |
1042 | str = hold; | |
1043 | goto error; | |
1044 | } | |
1045 | } | |
1046 | else if (operand->flags & MN10300_OPERAND_USP) | |
1047 | { | |
1048 | char *start = input_line_pointer; | |
1049 | char c = get_symbol_end (); | |
1050 | ||
1051 | if (strcasecmp (start, "usp") != 0) | |
1052 | { | |
1053 | *input_line_pointer = c; | |
1054 | input_line_pointer = hold; | |
1055 | str = hold; | |
1056 | goto error; | |
1057 | } | |
1058 | *input_line_pointer = c; | |
1059 | goto keep_going; | |
1060 | } | |
1061 | else if (operand->flags & MN10300_OPERAND_SSP) | |
1062 | { | |
1063 | char *start = input_line_pointer; | |
1064 | char c = get_symbol_end (); | |
1065 | ||
1066 | if (strcasecmp (start, "ssp") != 0) | |
1067 | { | |
1068 | *input_line_pointer = c; | |
1069 | input_line_pointer = hold; | |
1070 | str = hold; | |
1071 | goto error; | |
1072 | } | |
1073 | *input_line_pointer = c; | |
1074 | goto keep_going; | |
1075 | } | |
1076 | else if (operand->flags & MN10300_OPERAND_MSP) | |
1077 | { | |
1078 | char *start = input_line_pointer; | |
1079 | char c = get_symbol_end (); | |
1080 | ||
1081 | if (strcasecmp (start, "msp") != 0) | |
1082 | { | |
1083 | *input_line_pointer = c; | |
1084 | input_line_pointer = hold; | |
1085 | str = hold; | |
1086 | goto error; | |
1087 | } | |
1088 | *input_line_pointer = c; | |
1089 | goto keep_going; | |
1090 | } | |
1091 | else if (operand->flags & MN10300_OPERAND_PC) | |
1092 | { | |
1093 | char *start = input_line_pointer; | |
1094 | char c = get_symbol_end (); | |
1095 | ||
1096 | if (strcasecmp (start, "pc") != 0) | |
1097 | { | |
1098 | *input_line_pointer = c; | |
1099 | input_line_pointer = hold; | |
1100 | str = hold; | |
1101 | goto error; | |
1102 | } | |
1103 | *input_line_pointer = c; | |
1104 | goto keep_going; | |
1105 | } | |
1106 | else if (operand->flags & MN10300_OPERAND_EPSW) | |
1107 | { | |
1108 | char *start = input_line_pointer; | |
1109 | char c = get_symbol_end (); | |
1110 | ||
1111 | if (strcasecmp (start, "epsw") != 0) | |
1112 | { | |
1113 | *input_line_pointer = c; | |
1114 | input_line_pointer = hold; | |
1115 | str = hold; | |
1116 | goto error; | |
1117 | } | |
1118 | *input_line_pointer = c; | |
1119 | goto keep_going; | |
1120 | } | |
1121 | else if (operand->flags & MN10300_OPERAND_PLUS) | |
1122 | { | |
1123 | if (*input_line_pointer != '+') | |
1124 | { | |
1125 | input_line_pointer = hold; | |
1126 | str = hold; | |
1127 | goto error; | |
1128 | } | |
1129 | input_line_pointer++; | |
1130 | goto keep_going; | |
1131 | } | |
1132 | /* end-sanitize-am33 */ | |
1217102f JL |
1133 | else if (operand->flags & MN10300_OPERAND_PSW) |
1134 | { | |
1135 | char *start = input_line_pointer; | |
1136 | char c = get_symbol_end (); | |
1137 | ||
e7ffb037 | 1138 | if (strcasecmp (start, "psw") != 0) |
0f91d763 | 1139 | { |
1217102f JL |
1140 | *input_line_pointer = c; |
1141 | input_line_pointer = hold; | |
1142 | str = hold; | |
1143 | goto error; | |
1144 | } | |
1145 | *input_line_pointer = c; | |
1146 | goto keep_going; | |
1147 | } | |
1148 | else if (operand->flags & MN10300_OPERAND_MDR) | |
1149 | { | |
1150 | char *start = input_line_pointer; | |
1151 | char c = get_symbol_end (); | |
0f91d763 | 1152 | |
e7ffb037 | 1153 | if (strcasecmp (start, "mdr") != 0) |
1217102f JL |
1154 | { |
1155 | *input_line_pointer = c; | |
1156 | input_line_pointer = hold; | |
1157 | str = hold; | |
1158 | goto error; | |
0f91d763 | 1159 | } |
1217102f JL |
1160 | *input_line_pointer = c; |
1161 | goto keep_going; | |
1162 | } | |
7f02192d JL |
1163 | else if (operand->flags & MN10300_OPERAND_REG_LIST) |
1164 | { | |
1165 | unsigned int value = 0; | |
1166 | if (*input_line_pointer != '[') | |
1167 | { | |
1168 | input_line_pointer = hold; | |
1169 | str = hold; | |
1170 | goto error; | |
1171 | } | |
1172 | ||
1173 | /* Eat the '['. */ | |
1174 | input_line_pointer++; | |
1175 | ||
e7ffb037 JL |
1176 | /* We used to reject a null register list here; however, |
1177 | we accept it now so the compiler can emit "call" instructions | |
1178 | for all calls to named functions. | |
7f02192d | 1179 | |
e7ffb037 JL |
1180 | The linker can then fill in the appropriate bits for the |
1181 | register list and stack size or change the instruction | |
1182 | into a "calls" if using "call" is not profitable. */ | |
7f02192d JL |
1183 | while (*input_line_pointer != ']') |
1184 | { | |
1185 | char *start; | |
1186 | char c; | |
1187 | ||
1188 | if (*input_line_pointer == ',') | |
1189 | input_line_pointer++; | |
1190 | ||
1191 | start = input_line_pointer; | |
1192 | c = get_symbol_end (); | |
1193 | ||
e7ffb037 | 1194 | if (strcasecmp (start, "d2") == 0) |
7f02192d JL |
1195 | { |
1196 | value |= 0x80; | |
1197 | *input_line_pointer = c; | |
1198 | } | |
e7ffb037 | 1199 | else if (strcasecmp (start, "d3") == 0) |
7f02192d JL |
1200 | { |
1201 | value |= 0x40; | |
1202 | *input_line_pointer = c; | |
1203 | } | |
e7ffb037 | 1204 | else if (strcasecmp (start, "a2") == 0) |
7f02192d JL |
1205 | { |
1206 | value |= 0x20; | |
1207 | *input_line_pointer = c; | |
1208 | } | |
e7ffb037 | 1209 | else if (strcasecmp (start, "a3") == 0) |
7f02192d JL |
1210 | { |
1211 | value |= 0x10; | |
1212 | *input_line_pointer = c; | |
1213 | } | |
e7ffb037 | 1214 | else if (strcasecmp (start, "other") == 0) |
7f02192d JL |
1215 | { |
1216 | value |= 0x08; | |
1217 | *input_line_pointer = c; | |
1218 | } | |
e7ffb037 JL |
1219 | /* start-sanitize-am33 */ |
1220 | else if (strcasecmp (start, "exreg0") == 0) | |
1221 | { | |
1222 | value |= 0x04; | |
1223 | *input_line_pointer = c; | |
1224 | } | |
1225 | else if (strcasecmp (start, "exreg1") == 0) | |
1226 | { | |
1227 | value |= 0x02; | |
1228 | *input_line_pointer = c; | |
1229 | } | |
1230 | else if (strcasecmp (start, "exother") == 0) | |
1231 | { | |
1232 | value |= 0x01; | |
1233 | *input_line_pointer = c; | |
1234 | } | |
1235 | else if (strcasecmp (start, "all") == 0) | |
1236 | { | |
1237 | value |= 0xff; | |
1238 | *input_line_pointer = c; | |
1239 | } | |
1240 | /* end-sanitize-am33 */ | |
7f02192d JL |
1241 | else |
1242 | { | |
1243 | input_line_pointer = hold; | |
1244 | str = hold; | |
1245 | goto error; | |
1246 | } | |
1247 | } | |
1248 | input_line_pointer++; | |
1249 | mn10300_insert_operand (&insn, &extension, operand, | |
1250 | value, (char *) NULL, 0, 0); | |
1251 | goto keep_going; | |
1252 | ||
1253 | } | |
1217102f JL |
1254 | else if (data_register_name (&ex)) |
1255 | { | |
1256 | input_line_pointer = hold; | |
1257 | str = hold; | |
1258 | goto error; | |
1259 | } | |
1260 | else if (address_register_name (&ex)) | |
1261 | { | |
1262 | input_line_pointer = hold; | |
1263 | str = hold; | |
1264 | goto error; | |
1265 | } | |
1266 | else if (other_register_name (&ex)) | |
1267 | { | |
1268 | input_line_pointer = hold; | |
1269 | str = hold; | |
1270 | goto error; | |
0f91d763 | 1271 | } |
41e9f56c JL |
1272 | /* start-sanitize-am33 */ |
1273 | else if (r_register_name (&ex)) | |
1274 | { | |
1275 | input_line_pointer = hold; | |
1276 | str = hold; | |
1277 | goto error; | |
1278 | } | |
1279 | else if (xr_register_name (&ex)) | |
1280 | { | |
1281 | input_line_pointer = hold; | |
1282 | str = hold; | |
1283 | goto error; | |
1284 | } | |
1285 | /* end-sanitize-am33 */ | |
a6be605a JL |
1286 | else if (*str == ')' || *str == '(') |
1287 | { | |
1288 | input_line_pointer = hold; | |
1289 | str = hold; | |
1290 | goto error; | |
1291 | } | |
0f91d763 JL |
1292 | else |
1293 | { | |
1217102f JL |
1294 | expression (&ex); |
1295 | } | |
1296 | ||
0f91d763 JL |
1297 | switch (ex.X_op) |
1298 | { | |
1299 | case O_illegal: | |
e7ffb037 | 1300 | errmsg = _("illegal operand"); |
0f91d763 JL |
1301 | goto error; |
1302 | case O_absent: | |
e7ffb037 | 1303 | errmsg = _("missing operand"); |
0f91d763 JL |
1304 | goto error; |
1305 | case O_register: | |
e7ffb037 JL |
1306 | { |
1307 | int mask; | |
1308 | ||
1309 | mask = MN10300_OPERAND_DREG | MN10300_OPERAND_AREG; | |
1310 | /* start-sanitize-am33 */ | |
1311 | mask |= MN10300_OPERAND_RREG | MN10300_OPERAND_XRREG; | |
1312 | /* end-sanitize-am33 */ | |
1313 | if ((operand->flags & mask) == 0) | |
1314 | { | |
1315 | input_line_pointer = hold; | |
1316 | str = hold; | |
1317 | goto error; | |
1318 | } | |
0f91d763 | 1319 | |
e7ffb037 JL |
1320 | if (opcode->format == FMT_D1 || opcode->format == FMT_S1) |
1321 | extra_shift = 8; | |
1322 | else if (opcode->format == FMT_D2 | |
1323 | || opcode->format == FMT_D4 | |
1324 | || opcode->format == FMT_S2 | |
1325 | || opcode->format == FMT_S4 | |
1326 | || opcode->format == FMT_S6 | |
1327 | || opcode->format == FMT_D5) | |
1328 | extra_shift = 16; | |
1329 | /* start-sanitize-am33 */ | |
1330 | else if (opcode->format == FMT_D7) | |
1331 | extra_shift = 8; | |
573916e3 JL |
1332 | else if (opcode->format == FMT_D8 || opcode->format == FMT_D9) |
1333 | extra_shift = 8; | |
e7ffb037 JL |
1334 | /* end-sanitize-am33 */ |
1335 | else | |
1336 | extra_shift = 0; | |
68328dc6 | 1337 | |
e7ffb037 JL |
1338 | mn10300_insert_operand (&insn, &extension, operand, |
1339 | ex.X_add_number, (char *) NULL, | |
1340 | 0, extra_shift); | |
68328dc6 | 1341 | |
711eeac0 JL |
1342 | |
1343 | /* And note the register number in the register array. */ | |
1344 | mn10300_reg_operands[op_idx - 1] = ex.X_add_number; | |
e7ffb037 JL |
1345 | break; |
1346 | } | |
0f91d763 JL |
1347 | |
1348 | case O_constant: | |
1217102f JL |
1349 | /* If this operand can be promoted, and it doesn't |
1350 | fit into the allocated bitfield for this insn, | |
1351 | then promote it (ie this opcode does not match). */ | |
590c50d8 ILT |
1352 | if (operand->flags |
1353 | & (MN10300_OPERAND_PROMOTE | MN10300_OPERAND_RELAX) | |
1217102f JL |
1354 | && ! check_operand (insn, operand, ex.X_add_number)) |
1355 | { | |
1356 | input_line_pointer = hold; | |
1357 | str = hold; | |
1358 | goto error; | |
1359 | } | |
1360 | ||
bfe5059c JL |
1361 | mn10300_insert_operand (&insn, &extension, operand, |
1362 | ex.X_add_number, (char *) NULL, | |
1363 | 0, 0); | |
0f91d763 JL |
1364 | break; |
1365 | ||
1366 | default: | |
1217102f JL |
1367 | /* If this operand can be promoted, then this opcode didn't |
1368 | match since we can't know if it needed promotion! */ | |
1369 | if (operand->flags & MN10300_OPERAND_PROMOTE) | |
1370 | { | |
1371 | input_line_pointer = hold; | |
1372 | str = hold; | |
1373 | goto error; | |
1374 | } | |
1375 | ||
0f91d763 JL |
1376 | /* We need to generate a fixup for this expression. */ |
1377 | if (fc >= MAX_INSN_FIXUPS) | |
e7ffb037 | 1378 | as_fatal (_("too many fixups")); |
0f91d763 JL |
1379 | fixups[fc].exp = ex; |
1380 | fixups[fc].opindex = *opindex_ptr; | |
1381 | fixups[fc].reloc = BFD_RELOC_UNUSED; | |
1382 | ++fc; | |
1383 | break; | |
1384 | } | |
1385 | ||
1217102f | 1386 | keep_going: |
0f91d763 JL |
1387 | str = input_line_pointer; |
1388 | input_line_pointer = hold; | |
1389 | ||
7f02192d | 1390 | while (*str == ' ' || *str == ',') |
0f91d763 | 1391 | ++str; |
1217102f | 1392 | |
1217102f | 1393 | } |
a6be605a JL |
1394 | |
1395 | /* Make sure we used all the operands! */ | |
1396 | if (*str != ',') | |
1217102f | 1397 | match = 1; |
0f91d763 | 1398 | |
711eeac0 JL |
1399 | /* If this instruction has registers that must not match, verify |
1400 | that they do indeed not match. */ | |
1401 | if (opcode->no_match_operands) | |
1402 | { | |
1403 | int i; | |
1404 | ||
1405 | /* Look at each operand to see if it's marked. */ | |
1406 | for (i = 0; i < MN10300_MAX_OPERANDS; i++) | |
1407 | { | |
1408 | if ((1 << i) & opcode->no_match_operands) | |
1409 | { | |
1410 | int j; | |
1411 | ||
1412 | /* operand I is marked. Check that it does not match any | |
1413 | operands > I which are marked. */ | |
1414 | for (j = i + 1; j < MN10300_MAX_OPERANDS; j++) | |
1415 | { | |
1416 | if (((1 << j) & opcode->no_match_operands) | |
1417 | && mn10300_reg_operands[i] == mn10300_reg_operands[j]) | |
1418 | { | |
1419 | errmsg = _("Invalid register specification."); | |
1420 | match = 0; | |
1421 | goto error; | |
1422 | } | |
1423 | } | |
1424 | } | |
1425 | } | |
1426 | } | |
1427 | ||
0f91d763 JL |
1428 | error: |
1429 | if (match == 0) | |
1430 | { | |
1431 | next_opcode = opcode + 1; | |
42aa2435 | 1432 | if (!strcmp(next_opcode->name, opcode->name)) |
0f91d763 JL |
1433 | { |
1434 | opcode = next_opcode; | |
1435 | continue; | |
1436 | } | |
1437 | ||
1438 | as_bad ("%s", errmsg); | |
1439 | return; | |
1440 | } | |
1441 | break; | |
1442 | } | |
1443 | ||
1444 | while (isspace (*str)) | |
1445 | ++str; | |
1446 | ||
1447 | if (*str != '\0') | |
e7ffb037 | 1448 | as_bad (_("junk at end of line: `%s'"), str); |
0f91d763 JL |
1449 | |
1450 | input_line_pointer = str; | |
1451 | ||
778c521b JL |
1452 | /* Determine the size of the instruction. */ |
1453 | if (opcode->format == FMT_S0) | |
1217102f | 1454 | size = 1; |
0f91d763 | 1455 | |
778c521b | 1456 | if (opcode->format == FMT_S1 || opcode->format == FMT_D0) |
0f91d763 | 1457 | size = 2; |
0f91d763 | 1458 | |
778c521b | 1459 | if (opcode->format == FMT_S2 || opcode->format == FMT_D1) |
1217102f | 1460 | size = 3; |
0f91d763 | 1461 | |
e7ffb037 JL |
1462 | /* start-sanitize-am33 */ |
1463 | if (opcode->format == FMT_D6) | |
1464 | size = 3; | |
1465 | ||
573916e3 | 1466 | if (opcode->format == FMT_D7 || opcode->format == FMT_D10) |
e7ffb037 | 1467 | size = 4; |
573916e3 JL |
1468 | |
1469 | if (opcode->format == FMT_D8) | |
1470 | size = 6; | |
1471 | ||
1472 | if (opcode->format == FMT_D9) | |
1473 | size = 7; | |
e7ffb037 JL |
1474 | /* end-sanitize-am33 */ |
1475 | ||
778c521b | 1476 | if (opcode->format == FMT_S4) |
1217102f | 1477 | size = 5; |
0f91d763 | 1478 | |
778c521b | 1479 | if (opcode->format == FMT_S6 || opcode->format == FMT_D5) |
1217102f | 1480 | size = 7; |
0f91d763 | 1481 | |
778c521b | 1482 | if (opcode->format == FMT_D2) |
1217102f | 1483 | size = 4; |
0f91d763 | 1484 | |
778c521b | 1485 | if (opcode->format == FMT_D4) |
1217102f JL |
1486 | size = 6; |
1487 | ||
590c50d8 | 1488 | if (relaxable && fc > 0) |
8ca71631 | 1489 | { |
590c50d8 ILT |
1490 | int type; |
1491 | ||
1492 | /* bCC */ | |
1493 | if (size == 2) | |
e7ffb037 JL |
1494 | { |
1495 | /* Handle bra specially. Basically treat it like jmp so | |
1496 | that we automatically handle 8, 16 and 32 bit offsets | |
1497 | correctly as well as jumps to an undefined address. | |
1498 | ||
1499 | It is also important to not treat it like other bCC | |
1500 | instructions since the long forms of bra is different | |
1501 | from other bCC instructions. */ | |
1502 | if (opcode->opcode == 0xca00) | |
1503 | type = 10; | |
1504 | else | |
1505 | type = 0; | |
1506 | } | |
590c50d8 ILT |
1507 | /* call */ |
1508 | else if (size == 5) | |
1509 | type = 6; | |
1510 | /* calls */ | |
1511 | else if (size == 4) | |
1512 | type = 8; | |
1513 | /* jmp */ | |
1514 | else if (size == 3 && opcode->opcode == 0xcc0000) | |
1515 | type = 10; | |
1516 | /* bCC (uncommon cases) */ | |
1517 | else | |
1518 | type = 3; | |
d9a9c18f | 1519 | |
590c50d8 ILT |
1520 | f = frag_var (rs_machine_dependent, 8, 8 - size, type, |
1521 | fixups[0].exp.X_add_symbol, | |
1522 | fixups[0].exp.X_add_number, | |
1523 | (char *)fixups[0].opindex); | |
1524 | ||
1525 | /* This is pretty hokey. We basically just care about the | |
1526 | opcode, so we have to write out the first word big endian. | |
1527 | ||
1528 | The exception is "call", which has two operands that we | |
1529 | care about. | |
1530 | ||
1531 | The first operand (the register list) happens to be in the | |
1532 | first instruction word, and will be in the right place if | |
1533 | we output the first word in big endian mode. | |
1534 | ||
1535 | The second operand (stack size) is in the extension word, | |
1536 | and we want it to appear as the first character in the extension | |
1537 | word (as it appears in memory). Luckily, writing the extension | |
1538 | word in big endian format will do what we want. */ | |
1539 | number_to_chars_bigendian (f, insn, size > 4 ? 4 : size); | |
1540 | if (size > 8) | |
1541 | { | |
1542 | number_to_chars_bigendian (f + 4, extension, 4); | |
1543 | number_to_chars_bigendian (f + 8, 0, size - 8); | |
1544 | } | |
1545 | else if (size > 4) | |
1546 | number_to_chars_bigendian (f + 4, extension, size - 4); | |
1547 | } | |
1548 | else | |
d9a9c18f | 1549 | { |
590c50d8 ILT |
1550 | /* Allocate space for the instruction. */ |
1551 | f = frag_more (size); | |
1552 | ||
1553 | /* Fill in bytes for the instruction. Note that opcode fields | |
1554 | are written big-endian, 16 & 32bit immediates are written | |
1555 | little endian. Egad. */ | |
1556 | if (opcode->format == FMT_S0 | |
1557 | || opcode->format == FMT_S1 | |
1558 | || opcode->format == FMT_D0 | |
e7ffb037 JL |
1559 | /* start-sanitize-am33 */ |
1560 | || opcode->format == FMT_D6 | |
1561 | || opcode->format == FMT_D7 | |
573916e3 | 1562 | || opcode->format == FMT_D10 |
e7ffb037 | 1563 | /* end-sanitize-am33 */ |
590c50d8 ILT |
1564 | || opcode->format == FMT_D1) |
1565 | { | |
1566 | number_to_chars_bigendian (f, insn, size); | |
1567 | } | |
1568 | else if (opcode->format == FMT_S2 | |
1569 | && opcode->opcode != 0xdf0000 | |
1570 | && opcode->opcode != 0xde0000) | |
1571 | { | |
1572 | /* A format S2 instruction that is _not_ "ret" and "retf". */ | |
1573 | number_to_chars_bigendian (f, (insn >> 16) & 0xff, 1); | |
1574 | number_to_chars_littleendian (f + 1, insn & 0xffff, 2); | |
1575 | } | |
1576 | else if (opcode->format == FMT_S2) | |
1577 | { | |
1578 | /* This must be a ret or retf, which is written entirely in | |
1579 | big-endian format. */ | |
1580 | number_to_chars_bigendian (f, insn, 3); | |
1581 | } | |
1582 | else if (opcode->format == FMT_S4 | |
1583 | && opcode->opcode != 0xdc000000) | |
1584 | { | |
1585 | /* This must be a format S4 "call" instruction. What a pain. */ | |
1586 | unsigned long temp = (insn >> 8) & 0xffff; | |
1587 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
1588 | number_to_chars_littleendian (f + 1, temp, 2); | |
1589 | number_to_chars_bigendian (f + 3, insn & 0xff, 1); | |
1590 | number_to_chars_bigendian (f + 4, extension & 0xff, 1); | |
1591 | } | |
1592 | else if (opcode->format == FMT_S4) | |
1593 | { | |
1594 | /* This must be a format S4 "jmp" instruction. */ | |
1595 | unsigned long temp = ((insn & 0xffffff) << 8) | (extension & 0xff); | |
1596 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
1597 | number_to_chars_littleendian (f + 1, temp, 4); | |
1598 | } | |
1599 | else if (opcode->format == FMT_S6) | |
1600 | { | |
1601 | unsigned long temp = ((insn & 0xffffff) << 8) | |
1602 | | ((extension >> 16) & 0xff); | |
1603 | number_to_chars_bigendian (f, (insn >> 24) & 0xff, 1); | |
1604 | number_to_chars_littleendian (f + 1, temp, 4); | |
1605 | number_to_chars_bigendian (f + 5, (extension >> 8) & 0xff, 1); | |
1606 | number_to_chars_bigendian (f + 6, extension & 0xff, 1); | |
1607 | } | |
1608 | else if (opcode->format == FMT_D2 | |
1609 | && opcode->opcode != 0xfaf80000 | |
1610 | && opcode->opcode != 0xfaf00000 | |
1611 | && opcode->opcode != 0xfaf40000) | |
1612 | { | |
1613 | /* A format D2 instruction where the 16bit immediate is | |
1614 | really a single 16bit value, not two 8bit values. */ | |
1615 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); | |
1616 | number_to_chars_littleendian (f + 2, insn & 0xffff, 2); | |
1617 | } | |
1618 | else if (opcode->format == FMT_D2) | |
1619 | { | |
1620 | /* A format D2 instruction where the 16bit immediate | |
1621 | is really two 8bit immediates. */ | |
1622 | number_to_chars_bigendian (f, insn, 4); | |
1623 | } | |
1624 | else if (opcode->format == FMT_D4) | |
1625 | { | |
1626 | unsigned long temp = ((insn & 0xffff) << 16) | (extension & 0xffff); | |
1627 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); | |
1628 | number_to_chars_littleendian (f + 2, temp, 4); | |
1629 | } | |
1630 | else if (opcode->format == FMT_D5) | |
1631 | { | |
1632 | unsigned long temp = ((insn & 0xffff) << 16) | |
1633 | | ((extension >> 8) & 0xffff); | |
1634 | number_to_chars_bigendian (f, (insn >> 16) & 0xffff, 2); | |
1635 | number_to_chars_littleendian (f + 2, temp, 4); | |
1636 | number_to_chars_bigendian (f + 6, extension & 0xff, 1); | |
1637 | } | |
573916e3 JL |
1638 | /* start-sanitize-am33 */ |
1639 | else if (opcode->format == FMT_D8) | |
1640 | { | |
1641 | unsigned long temp = ((insn & 0xff) << 16) | (extension & 0xffff); | |
1642 | number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); | |
1643 | number_to_chars_bigendian (f + 3, (temp & 0xff), 1); | |
1644 | number_to_chars_littleendian (f + 4, temp >> 8, 2); | |
1645 | } | |
1646 | else if (opcode->format == FMT_D9) | |
1647 | { | |
1648 | unsigned long temp = ((insn & 0xff) << 24) | (extension & 0xffffff); | |
1649 | number_to_chars_bigendian (f, (insn >> 8) & 0xffffff, 3); | |
1650 | number_to_chars_littleendian (f + 3, temp, 4); | |
1651 | } | |
1652 | /* end-sanitize-am33 */ | |
d9a9c18f | 1653 | |
590c50d8 ILT |
1654 | /* Create any fixups. */ |
1655 | for (i = 0; i < fc; i++) | |
d9a9c18f | 1656 | { |
590c50d8 ILT |
1657 | const struct mn10300_operand *operand; |
1658 | ||
1659 | operand = &mn10300_operands[fixups[i].opindex]; | |
1660 | if (fixups[i].reloc != BFD_RELOC_UNUSED) | |
1661 | { | |
1662 | reloc_howto_type *reloc_howto; | |
1663 | int size; | |
1664 | int offset; | |
1665 | fixS *fixP; | |
d9a9c18f | 1666 | |
590c50d8 | 1667 | reloc_howto = bfd_reloc_type_lookup (stdoutput, fixups[i].reloc); |
d9a9c18f | 1668 | |
590c50d8 ILT |
1669 | if (!reloc_howto) |
1670 | abort(); | |
d9a9c18f | 1671 | |
590c50d8 | 1672 | size = bfd_get_reloc_size (reloc_howto); |
d9a9c18f | 1673 | |
590c50d8 ILT |
1674 | if (size < 1 || size > 4) |
1675 | abort(); | |
d9a9c18f | 1676 | |
590c50d8 ILT |
1677 | offset = 4 - size; |
1678 | fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, | |
1679 | size, &fixups[i].exp, | |
1680 | reloc_howto->pc_relative, | |
1681 | fixups[i].reloc); | |
1682 | } | |
d9a9c18f | 1683 | else |
590c50d8 ILT |
1684 | { |
1685 | int reloc, pcrel, reloc_size, offset; | |
1686 | fixS *fixP; | |
1687 | ||
1688 | reloc = BFD_RELOC_NONE; | |
1689 | /* How big is the reloc? Remember SPLIT relocs are | |
1690 | implicitly 32bits. */ | |
1691 | if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) | |
1692 | reloc_size = 32; | |
573916e3 | 1693 | /* start-sanitize-am33 */ |
5d626b5e | 1694 | else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) |
573916e3 JL |
1695 | reloc_size = 24; |
1696 | /* end-sanitize-am33 */ | |
590c50d8 ILT |
1697 | else |
1698 | reloc_size = operand->bits; | |
1699 | ||
1700 | /* Is the reloc pc-relative? */ | |
1701 | pcrel = (operand->flags & MN10300_OPERAND_PCREL) != 0; | |
1702 | ||
1703 | /* Gross. This disgusting hack is to make sure we | |
1704 | get the right offset for the 16/32 bit reloc in | |
1705 | "call" instructions. Basically they're a pain | |
1706 | because the reloc isn't at the end of the instruction. */ | |
1707 | if ((size == 5 || size == 7) | |
1708 | && (((insn >> 24) & 0xff) == 0xcd | |
1709 | || ((insn >> 24) & 0xff) == 0xdd)) | |
1710 | size -= 2; | |
1711 | ||
1712 | /* Similarly for certain bit instructions which don't | |
1713 | hav their 32bit reloc at the tail of the instruction. */ | |
1714 | if (size == 7 | |
1715 | && (((insn >> 16) & 0xffff) == 0xfe00 | |
1716 | || ((insn >> 16) & 0xffff) == 0xfe01 | |
1717 | || ((insn >> 16) & 0xffff) == 0xfe02)) | |
1718 | size -= 1; | |
d9a9c18f | 1719 | |
590c50d8 | 1720 | offset = size - reloc_size / 8; |
d9a9c18f | 1721 | |
590c50d8 ILT |
1722 | /* Choose a proper BFD relocation type. */ |
1723 | if (pcrel) | |
1724 | { | |
1725 | if (reloc_size == 32) | |
1726 | reloc = BFD_RELOC_32_PCREL; | |
1727 | else if (reloc_size == 16) | |
1728 | reloc = BFD_RELOC_16_PCREL; | |
1729 | else if (reloc_size == 8) | |
1730 | reloc = BFD_RELOC_8_PCREL; | |
1731 | else | |
1732 | abort (); | |
1733 | } | |
d9a9c18f | 1734 | else |
590c50d8 ILT |
1735 | { |
1736 | if (reloc_size == 32) | |
1737 | reloc = BFD_RELOC_32; | |
1738 | else if (reloc_size == 16) | |
1739 | reloc = BFD_RELOC_16; | |
1740 | else if (reloc_size == 8) | |
1741 | reloc = BFD_RELOC_8; | |
1742 | else | |
1743 | abort (); | |
1744 | } | |
1745 | ||
1746 | /* Convert the size of the reloc into what fix_new_exp wants. */ | |
1747 | reloc_size = reloc_size / 8; | |
1748 | if (reloc_size == 8) | |
1749 | reloc_size = 0; | |
d9a9c18f | 1750 | else if (reloc_size == 16) |
590c50d8 ILT |
1751 | reloc_size = 1; |
1752 | else if (reloc_size == 32) | |
1753 | reloc_size = 2; | |
1754 | ||
1755 | fixP = fix_new_exp (frag_now, f - frag_now->fr_literal + offset, | |
1756 | reloc_size, &fixups[i].exp, pcrel, | |
1757 | ((bfd_reloc_code_real_type) reloc)); | |
d9a9c18f | 1758 | |
590c50d8 ILT |
1759 | if (pcrel) |
1760 | fixP->fx_offset += offset; | |
1761 | } | |
d9a9c18f JL |
1762 | } |
1763 | } | |
0f91d763 JL |
1764 | } |
1765 | ||
1766 | ||
1767 | /* if while processing a fixup, a reloc really needs to be created */ | |
1768 | /* then it is done here */ | |
1769 | ||
1770 | arelent * | |
1771 | tc_gen_reloc (seg, fixp) | |
1772 | asection *seg; | |
1773 | fixS *fixp; | |
1774 | { | |
1775 | arelent *reloc; | |
590c50d8 | 1776 | reloc = (arelent *) xmalloc (sizeof (arelent)); |
a405bb3e | 1777 | |
0f91d763 JL |
1778 | reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type); |
1779 | if (reloc->howto == (reloc_howto_type *) NULL) | |
1780 | { | |
1781 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
e7ffb037 | 1782 | _("reloc %d not supported by object file format"), |
a405bb3e | 1783 | (int)fixp->fx_r_type); |
0f91d763 JL |
1784 | return NULL; |
1785 | } | |
a405bb3e JL |
1786 | reloc->address = fixp->fx_frag->fr_address + fixp->fx_where; |
1787 | ||
1788 | if (fixp->fx_addsy && fixp->fx_subsy) | |
1789 | { | |
e7ffb037 JL |
1790 | |
1791 | if ((S_GET_SEGMENT (fixp->fx_addsy) != S_GET_SEGMENT (fixp->fx_subsy)) | |
1792 | || S_GET_SEGMENT (fixp->fx_addsy) == undefined_section) | |
1793 | { | |
1794 | as_bad_where (fixp->fx_file, fixp->fx_line, | |
1795 | "Difference of symbols in different sections is not supported"); | |
1796 | return NULL; | |
1797 | } | |
1798 | ||
a405bb3e JL |
1799 | reloc->sym_ptr_ptr = &bfd_abs_symbol; |
1800 | reloc->addend = (S_GET_VALUE (fixp->fx_addsy) | |
1801 | - S_GET_VALUE (fixp->fx_subsy) + fixp->fx_offset); | |
1802 | } | |
1803 | else | |
1804 | { | |
1805 | reloc->sym_ptr_ptr = &fixp->fx_addsy->bsym; | |
1806 | reloc->addend = fixp->fx_offset; | |
1807 | } | |
0f91d763 JL |
1808 | return reloc; |
1809 | } | |
1810 | ||
1811 | int | |
1812 | md_estimate_size_before_relax (fragp, seg) | |
1813 | fragS *fragp; | |
1814 | asection *seg; | |
1815 | { | |
590c50d8 ILT |
1816 | if (fragp->fr_subtype == 0) |
1817 | return 2; | |
1818 | if (fragp->fr_subtype == 3) | |
1819 | return 3; | |
1820 | if (fragp->fr_subtype == 6) | |
1821 | { | |
1822 | if (!S_IS_DEFINED (fragp->fr_symbol) | |
1823 | || seg != S_GET_SEGMENT (fragp->fr_symbol)) | |
1824 | { | |
1825 | fragp->fr_subtype = 7; | |
1826 | return 7; | |
1827 | } | |
1828 | else | |
1829 | return 5; | |
1830 | } | |
1831 | if (fragp->fr_subtype == 8) | |
1832 | { | |
1833 | if (!S_IS_DEFINED (fragp->fr_symbol) | |
1834 | || seg != S_GET_SEGMENT (fragp->fr_symbol)) | |
1835 | { | |
1836 | fragp->fr_subtype = 9; | |
1837 | return 6; | |
1838 | } | |
1839 | else | |
1840 | return 4; | |
1841 | } | |
1842 | if (fragp->fr_subtype == 10) | |
1843 | { | |
1844 | if (!S_IS_DEFINED (fragp->fr_symbol) | |
1845 | || seg != S_GET_SEGMENT (fragp->fr_symbol)) | |
1846 | { | |
1847 | fragp->fr_subtype = 12; | |
1848 | return 5; | |
1849 | } | |
1850 | else | |
1851 | return 2; | |
1852 | } | |
0f91d763 JL |
1853 | } |
1854 | ||
1855 | long | |
1856 | md_pcrel_from (fixp) | |
1857 | fixS *fixp; | |
1858 | { | |
0671e7f6 JL |
1859 | return fixp->fx_frag->fr_address; |
1860 | #if 0 | |
0f91d763 JL |
1861 | if (fixp->fx_addsy != (symbolS *) NULL && ! S_IS_DEFINED (fixp->fx_addsy)) |
1862 | { | |
1863 | /* The symbol is undefined. Let the linker figure it out. */ | |
1864 | return 0; | |
1865 | } | |
1866 | return fixp->fx_frag->fr_address + fixp->fx_where; | |
0671e7f6 | 1867 | #endif |
0f91d763 JL |
1868 | } |
1869 | ||
1870 | int | |
1871 | md_apply_fix3 (fixp, valuep, seg) | |
1872 | fixS *fixp; | |
1873 | valueT *valuep; | |
1874 | segT seg; | |
1875 | { | |
d9a9c18f JL |
1876 | /* We shouldn't ever get here because linkrelax is nonzero. */ |
1877 | abort (); | |
1217102f JL |
1878 | fixp->fx_done = 1; |
1879 | return 0; | |
0f91d763 JL |
1880 | } |
1881 | ||
0f91d763 JL |
1882 | /* Insert an operand value into an instruction. */ |
1883 | ||
bfe5059c JL |
1884 | static void |
1885 | mn10300_insert_operand (insnp, extensionp, operand, val, file, line, shift) | |
1886 | unsigned long *insnp; | |
1887 | unsigned long *extensionp; | |
ae1b99e4 | 1888 | const struct mn10300_operand *operand; |
0f91d763 JL |
1889 | offsetT val; |
1890 | char *file; | |
1891 | unsigned int line; | |
68328dc6 | 1892 | unsigned int shift; |
0f91d763 | 1893 | { |
43d695a1 JL |
1894 | /* No need to check 32bit operands for a bit. Note that |
1895 | MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ | |
1896 | if (operand->bits != 32 | |
1897 | && (operand->flags & MN10300_OPERAND_SPLIT) == 0) | |
0f91d763 JL |
1898 | { |
1899 | long min, max; | |
1900 | offsetT test; | |
573916e3 JL |
1901 | int bits; |
1902 | ||
1903 | bits = operand->bits; | |
1904 | /* start-sanitize-am33 */ | |
1905 | if (operand->flags & MN10300_OPERAND_24BIT) | |
1906 | bits = 24; | |
1907 | /* end-sanitize-am33 */ | |
0f91d763 | 1908 | |
1217102f JL |
1909 | if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) |
1910 | { | |
573916e3 JL |
1911 | max = (1 << (bits - 1)) - 1; |
1912 | min = - (1 << (bits - 1)); | |
1217102f JL |
1913 | } |
1914 | else | |
0f91d763 | 1915 | { |
573916e3 | 1916 | max = (1 << bits) - 1; |
0f91d763 JL |
1917 | min = 0; |
1918 | } | |
1919 | ||
1920 | test = val; | |
1921 | ||
1922 | ||
1923 | if (test < (offsetT) min || test > (offsetT) max) | |
1924 | { | |
1925 | const char *err = | |
e7ffb037 | 1926 | _("operand out of range (%s not between %ld and %ld)"); |
0f91d763 JL |
1927 | char buf[100]; |
1928 | ||
1929 | sprint_value (buf, test); | |
1930 | if (file == (char *) NULL) | |
1931 | as_warn (err, buf, min, max); | |
1932 | else | |
1933 | as_warn_where (file, line, err, buf, min, max); | |
1934 | } | |
1935 | } | |
1936 | ||
cdde2f5c JL |
1937 | if ((operand->flags & MN10300_OPERAND_SPLIT) != 0) |
1938 | { | |
ca82e4eb | 1939 | *insnp |= (val >> (32 - operand->bits)) & ((1 << operand->bits) - 1); |
43d695a1 JL |
1940 | *extensionp |= ((val & ((1 << (32 - operand->bits)) - 1)) |
1941 | << operand->shift); | |
cdde2f5c | 1942 | } |
573916e3 JL |
1943 | /* start-sanitize-am33 */ |
1944 | else if ((operand->flags & MN10300_OPERAND_24BIT) != 0) | |
1945 | { | |
1946 | *insnp |= (val >> (24 - operand->bits)) & ((1 << operand->bits) - 1); | |
1947 | *extensionp |= ((val & ((1 << (24 - operand->bits)) - 1)) | |
1948 | << operand->shift); | |
1949 | } | |
1950 | /* end-sanitize-am33 */ | |
cdde2f5c | 1951 | else if ((operand->flags & MN10300_OPERAND_EXTENDED) == 0) |
bfe5059c JL |
1952 | { |
1953 | *insnp |= (((long) val & ((1 << operand->bits) - 1)) | |
1954 | << (operand->shift + shift)); | |
1955 | ||
1956 | if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) | |
1957 | *insnp |= (((long) val & ((1 << operand->bits) - 1)) | |
e7ffb037 | 1958 | << (operand->shift + shift + operand->bits)); |
bfe5059c JL |
1959 | } |
1960 | else | |
1961 | { | |
1962 | *extensionp |= (((long) val & ((1 << operand->bits) - 1)) | |
1963 | << (operand->shift + shift)); | |
68328dc6 | 1964 | |
bfe5059c JL |
1965 | if ((operand->flags & MN10300_OPERAND_REPEATED) != 0) |
1966 | *extensionp |= (((long) val & ((1 << operand->bits) - 1)) | |
e7ffb037 | 1967 | << (operand->shift + shift + operand->bits)); |
bfe5059c | 1968 | } |
0f91d763 | 1969 | } |
1217102f JL |
1970 | |
1971 | static unsigned long | |
1972 | check_operand (insn, operand, val) | |
1973 | unsigned long insn; | |
1974 | const struct mn10300_operand *operand; | |
1975 | offsetT val; | |
1976 | { | |
43d695a1 JL |
1977 | /* No need to check 32bit operands for a bit. Note that |
1978 | MN10300_OPERAND_SPLIT is an implicit 32bit operand. */ | |
1979 | if (operand->bits != 32 | |
1980 | && (operand->flags & MN10300_OPERAND_SPLIT) == 0) | |
1217102f JL |
1981 | { |
1982 | long min, max; | |
1983 | offsetT test; | |
573916e3 JL |
1984 | int bits; |
1985 | ||
1986 | bits = operand->bits; | |
1987 | /* start-sanitize-am33 */ | |
1988 | if (operand->flags & MN10300_OPERAND_24BIT) | |
1989 | bits = 24; | |
1990 | /* end-sanitize-am33 */ | |
1217102f JL |
1991 | |
1992 | if ((operand->flags & MN10300_OPERAND_SIGNED) != 0) | |
1993 | { | |
573916e3 JL |
1994 | max = (1 << (bits - 1)) - 1; |
1995 | min = - (1 << (bits - 1)); | |
1217102f JL |
1996 | } |
1997 | else | |
1998 | { | |
573916e3 | 1999 | max = (1 << bits) - 1; |
1217102f JL |
2000 | min = 0; |
2001 | } | |
2002 | ||
2003 | test = val; | |
2004 | ||
2005 | ||
2006 | if (test < (offsetT) min || test > (offsetT) max) | |
2007 | return 0; | |
2008 | else | |
2009 | return 1; | |
2010 | } | |
2011 | return 1; | |
2012 | } | |
3be26805 JL |
2013 | |
2014 | static void | |
2015 | set_arch_mach (mach) | |
2016 | int mach; | |
2017 | { | |
2018 | if (!bfd_set_arch_mach (stdoutput, bfd_arch_mn10300, mach)) | |
2019 | as_warn (_("could not set architecture and machine")); | |
2020 | ||
2021 | current_machine = mach; | |
2022 | } |