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Update year range in copyright notice of binutils files
[binutils-gdb.git] / gas / config / tc-v850.c
blobceb65b7547993d187a1c89c3381a8c24421d9dc6
1 /* tc-v850.c -- Assembler code for the NEC V850
2 Copyright (C) 1996-2024 Free Software Foundation, Inc.
3
4 This file is part of GAS, the GNU Assembler.
5
6 GAS is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 GAS is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GAS; see the file COPYING. If not, write to
18 the Free Software Foundation, 51 Franklin Street - Fifth Floor,
19 Boston, MA 02110-1301, USA. */
20
21 #include "as.h"
22 #include "safe-ctype.h"
23 #include "subsegs.h"
24 #include "opcode/v850.h"
25 #include "dwarf2dbg.h"
26
27 /* Sign-extend a 16-bit number. */
28 #define SEXT16(x) ((((x) & 0xffff) ^ (~0x7fff)) + 0x8000)
29
30 /* Set to TRUE if we want to be pedantic about signed overflows. */
31 static bool warn_signed_overflows = false;
32 static bool warn_unsigned_overflows = false;
33
34 /* Non-zero if floating point insns are not being used. */
35 static signed int soft_float = -1;
36
37 /* Indicates the target BFD machine number. */
38 static int machine = -1;
39
40
41 /* Indicates the target BFD architecture. */
42 enum bfd_architecture v850_target_arch = bfd_arch_v850_rh850;
43 const char * v850_target_format = "elf32-v850-rh850";
44 static flagword v850_e_flags = 0;
45
46 /* Indicates the target processor(s) for the assemble. */
47 static int processor_mask = 0;
48 \f
49 /* Structure to hold information about predefined registers. */
50 struct reg_name
51 {
52 const char *name;
53 int value;
54 unsigned int processors;
55 };
56
57 /* Generic assembler global variables which must be defined by all
58 targets. */
59
60 /* Characters which always start a comment. */
61 const char comment_chars[] = "#";
62
63 /* Characters which start a comment at the beginning of a line. */
64 const char line_comment_chars[] = ";#";
65
66 /* Characters which may be used to separate multiple commands on a
67 single line. */
68 const char line_separator_chars[] = ";";
69
70 /* Characters which are used to indicate an exponent in a floating
71 point number. */
72 const char EXP_CHARS[] = "eE";
73
74 /* Characters which mean that a number is a floating point constant,
75 as in 0d1.0. */
76 const char FLT_CHARS[] = "dD";
77 \f
78 const relax_typeS md_relax_table[] =
79 {
80 /* Conditional branches.(V850/V850E, max 22bit) */
81 #define SUBYPTE_COND_9_22 0
82 {0xfe, -0x100, 2, SUBYPTE_COND_9_22 + 1},
83 {0x1ffffe + 2, -0x200000 + 2, 6, 0},
84 /* Conditional branches.(V850/V850E, max 22bit) */
85 #define SUBYPTE_SA_9_22 2
86 {0xfe, -0x100, 2, SUBYPTE_SA_9_22 + 1},
87 {0x1ffffe + 4, -0x200000 + 4, 8, 0},
88 /* Unconditional branches.(V850/V850E, max 22bit) */
89 #define SUBYPTE_UNCOND_9_22 4
90 {0xfe, -0x100, 2, SUBYPTE_UNCOND_9_22 + 1},
91 {0x1ffffe, -0x200000, 4, 0},
92 /* Conditional branches.(V850E2, max 32bit) */
93 #define SUBYPTE_COND_9_22_32 6
94 {0xfe, -0x100, 2, SUBYPTE_COND_9_22_32 + 1},
95 {0x1fffff + 2, -0x200000 + 2, 6, SUBYPTE_COND_9_22_32 + 2},
96 {0x7ffffffe, -0x80000000, 8, 0},
97 /* Conditional branches.(V850E2, max 32bit) */
98 #define SUBYPTE_SA_9_22_32 9
99 {0xfe, -0x100, 2, SUBYPTE_SA_9_22_32 + 1},
100 {0x1ffffe + 4, -0x200000 + 4, 8, SUBYPTE_SA_9_22_32 + 2},
101 {0x7ffffffe, -0x80000000, 10, 0},
102 /* Unconditional branches.(V850E2, max 32bit) */
103 #define SUBYPTE_UNCOND_9_22_32 12
104 {0xfe, -0x100, 2, SUBYPTE_UNCOND_9_22_32 + 1},
105 {0x1ffffe, -0x200000, 4, SUBYPTE_UNCOND_9_22_32 + 2},
106 {0x7ffffffe, -0x80000000, 6, 0},
107 /* Conditional branches.(V850E2R max 22bit) */
108 #define SUBYPTE_COND_9_17_22 15
109 {0xfe, -0x100, 2, SUBYPTE_COND_9_17_22 + 1},
110 {0xfffe, -0x10000, 4, SUBYPTE_COND_9_17_22 + 2},
111 {0x1ffffe + 2, -0x200000 + 2, 6, 0},
112 /* Conditional branches.(V850E2R max 22bit) */
113 #define SUBYPTE_SA_9_17_22 18
114 {0xfe, -0x100, 2, SUBYPTE_SA_9_17_22 + 1},
115 {0xfffe, -0x10000, 4, SUBYPTE_SA_9_17_22 + 2},
116 {0x1ffffe + 4, -0x200000 + 4, 8, 0},
117 /* Conditional branches.(V850E2R max 32bit) */
118 #define SUBYPTE_COND_9_17_22_32 21
119 {0xfe, -0x100, 2, SUBYPTE_COND_9_17_22_32 + 1},
120 {0xfffe, -0x10000, 4, SUBYPTE_COND_9_17_22_32 + 2},
121 {0x1ffffe + 2, -0x200000 + 2, 6, SUBYPTE_COND_9_17_22_32 + 3},
122 {0x7ffffffe, -0x80000000, 8, 0},
123 /* Conditional branches.(V850E2R max 32bit) */
124 #define SUBYPTE_SA_9_17_22_32 25
125 {0xfe, -0x100, 2, SUBYPTE_SA_9_17_22_32 + 1},
126 {0xfffe, -0x10000, 4, SUBYPTE_SA_9_17_22_32 + 2},
127 {0x1ffffe + 4, -0x200000 + 4, 8, SUBYPTE_SA_9_17_22_32 + 3},
128 {0x7ffffffe, -0x80000000, 10, 0},
129 /* Loop. (V850E2V4_UP, max 22-bit). */
130 #define SUBYPTE_LOOP_16_22 29
131 {0x0, -0x0fffe, 4, SUBYPTE_LOOP_16_22 + 1},
132 {0x1ffffe + 2, -0x200000 + 2, 6, 0},
133 };
134
135 static int v850_relax = 0;
136
137 /* Default branch disp size 22 or 32. */
138 static int default_disp_size = 22;
139
140 /* Default no using bcond17. */
141 static int no_bcond17 = 0;
142
143 /* Default no using ld/st 23bit offset. */
144 static int no_stld23 = 0;
145
146 /* Fixups. */
147 #define MAX_INSN_FIXUPS 5
148
149 struct v850_fixup
150 {
151 expressionS exp;
152 int opindex;
153 bfd_reloc_code_real_type reloc;
154 };
155
156 struct v850_fixup fixups[MAX_INSN_FIXUPS];
157 static int fc;
158
159 struct v850_seg_entry
160 {
161 segT s;
162 const char *name;
163 flagword flags;
164 };
165
166 struct v850_seg_entry v850_seg_table[] =
167 {
168 { NULL, ".sdata",
169 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
170 | SEC_SMALL_DATA },
171 { NULL, ".tdata",
172 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS },
173 { NULL, ".zdata",
174 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS },
175 { NULL, ".sbss",
176 SEC_ALLOC | SEC_SMALL_DATA },
177 { NULL, ".tbss",
178 SEC_ALLOC },
179 { NULL, ".zbss",
180 SEC_ALLOC},
181 { NULL, ".rosdata",
182 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_DATA
183 | SEC_HAS_CONTENTS | SEC_SMALL_DATA },
184 { NULL, ".rozdata",
185 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_DATA
186 | SEC_HAS_CONTENTS },
187 { NULL, ".scommon",
188 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
189 | SEC_SMALL_DATA | SEC_IS_COMMON },
190 { NULL, ".tcommon",
191 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
192 | SEC_IS_COMMON },
193 { NULL, ".zcommon",
194 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS
195 | SEC_IS_COMMON },
196 { NULL, ".call_table_data",
197 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_DATA | SEC_HAS_CONTENTS },
198 { NULL, ".call_table_text",
199 SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_READONLY | SEC_CODE
200 | SEC_HAS_CONTENTS},
201 { NULL, ".bss",
202 SEC_ALLOC }
203 };
204
205 #define SDATA_SECTION 0
206 #define TDATA_SECTION 1
207 #define ZDATA_SECTION 2
208 #define SBSS_SECTION 3
209 #define TBSS_SECTION 4
210 #define ZBSS_SECTION 5
211 #define ROSDATA_SECTION 6
212 #define ROZDATA_SECTION 7
213 #define SCOMMON_SECTION 8
214 #define TCOMMON_SECTION 9
215 #define ZCOMMON_SECTION 10
216 #define CALL_TABLE_DATA_SECTION 11
217 #define CALL_TABLE_TEXT_SECTION 12
218 #define BSS_SECTION 13
219
220 static void
221 do_v850_seg (int i, subsegT sub)
222 {
223 struct v850_seg_entry *seg = v850_seg_table + i;
224
225 obj_elf_section_change_hook ();
226
227 if (seg->s != NULL)
228 subseg_set (seg->s, sub);
229 else
230 {
231 seg->s = subseg_new (seg->name, sub);
232 bfd_set_section_flags (seg->s, seg->flags);
233 if ((seg->flags & SEC_LOAD) == 0)
234 seg_info (seg->s)->bss = 1;
235 }
236 }
237
238 static void
239 v850_seg (int i)
240 {
241 subsegT sub = get_absolute_expression ();
242
243 do_v850_seg (i, sub);
244 demand_empty_rest_of_line ();
245 }
246
247 static void
248 v850_offset (int ignore ATTRIBUTE_UNUSED)
249 {
250 char *pfrag;
251 int temp = get_absolute_expression ();
252
253 pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, (symbolS *)0,
254 (offsetT) temp, (char *) 0);
255 *pfrag = 0;
256
257 demand_empty_rest_of_line ();
258 }
259
260 /* Copied from obj_elf_common() in gas/config/obj-elf.c. */
261
262 static void
263 v850_comm (int area)
264 {
265 char *name;
266 char c;
267 char *p;
268 int temp;
269 unsigned int size;
270 symbolS *symbolP;
271 int have_align;
272
273 c = get_symbol_name (&name);
274
275 /* Just after name is now '\0'. */
276 p = input_line_pointer;
277 *p = c;
278
279 SKIP_WHITESPACE ();
280
281 if (*input_line_pointer != ',')
282 {
283 as_bad (_("Expected comma after symbol-name"));
284 ignore_rest_of_line ();
285 return;
286 }
287
288 /* Skip ','. */
289 input_line_pointer++;
290
291 if ((temp = get_absolute_expression ()) < 0)
292 {
293 /* xgettext:c-format */
294 as_bad (_(".COMMon length (%d.) < 0! Ignored."), temp);
295 ignore_rest_of_line ();
296 return;
297 }
298
299 size = temp;
300 *p = 0;
301 symbolP = symbol_find_or_make (name);
302 *p = c;
303
304 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
305 {
306 as_bad (_("Ignoring attempt to re-define symbol"));
307 ignore_rest_of_line ();
308 return;
309 }
310
311 if (S_GET_VALUE (symbolP) != 0)
312 {
313 if (S_GET_VALUE (symbolP) != size)
314 /* xgettext:c-format */
315 as_warn (_("Length of .comm \"%s\" is already %ld. Not changed to %d."),
316 S_GET_NAME (symbolP), (long) S_GET_VALUE (symbolP), size);
317 }
318
319 know (symbol_get_frag (symbolP) == &zero_address_frag);
320
321 if (*input_line_pointer != ',')
322 have_align = 0;
323 else
324 {
325 have_align = 1;
326 input_line_pointer++;
327 SKIP_WHITESPACE ();
328 }
329
330 if (! have_align || *input_line_pointer != '"')
331 {
332 if (! have_align)
333 temp = 0;
334 else
335 {
336 temp = get_absolute_expression ();
337
338 if (temp < 0)
339 {
340 temp = 0;
341 as_warn (_("Common alignment negative; 0 assumed"));
342 }
343 }
344
345 if (symbol_get_obj (symbolP)->local)
346 {
347 segT old_sec;
348 int old_subsec;
349 char *pfrag;
350 int align;
351 flagword applicable;
352
353 old_sec = now_seg;
354 old_subsec = now_subseg;
355
356 applicable = bfd_applicable_section_flags (stdoutput);
357
358 applicable &= SEC_ALLOC;
359
360 switch (area)
361 {
362 case SCOMMON_SECTION:
363 do_v850_seg (SBSS_SECTION, 0);
364 break;
365
366 case ZCOMMON_SECTION:
367 do_v850_seg (ZBSS_SECTION, 0);
368 break;
369
370 case TCOMMON_SECTION:
371 do_v850_seg (TBSS_SECTION, 0);
372 break;
373 }
374
375 if (temp)
376 {
377 /* Convert to a power of 2 alignment. */
378 for (align = 0; (temp & 1) == 0; temp >>= 1, ++align)
379 ;
380
381 if (temp != 1)
382 {
383 as_bad (_("Common alignment not a power of 2"));
384 ignore_rest_of_line ();
385 return;
386 }
387 }
388 else
389 align = 0;
390
391 record_alignment (now_seg, align);
392
393 if (align)
394 frag_align (align, 0, 0);
395
396 switch (area)
397 {
398 case SCOMMON_SECTION:
399 if (S_GET_SEGMENT (symbolP) == v850_seg_table[SBSS_SECTION].s)
400 symbol_get_frag (symbolP)->fr_symbol = 0;
401 break;
402
403 case ZCOMMON_SECTION:
404 if (S_GET_SEGMENT (symbolP) == v850_seg_table[ZBSS_SECTION].s)
405 symbol_get_frag (symbolP)->fr_symbol = 0;
406 break;
407
408 case TCOMMON_SECTION:
409 if (S_GET_SEGMENT (symbolP) == v850_seg_table[TBSS_SECTION].s)
410 symbol_get_frag (symbolP)->fr_symbol = 0;
411 break;
412
413 default:
414 abort ();
415 }
416
417 symbol_set_frag (symbolP, frag_now);
418 pfrag = frag_var (rs_org, 1, 1, (relax_substateT) 0, symbolP,
419 (offsetT) size, (char *) 0);
420 *pfrag = 0;
421 S_SET_SIZE (symbolP, size);
422
423 switch (area)
424 {
425 case SCOMMON_SECTION:
426 S_SET_SEGMENT (symbolP, v850_seg_table[SBSS_SECTION].s);
427 break;
428
429 case ZCOMMON_SECTION:
430 S_SET_SEGMENT (symbolP, v850_seg_table[ZBSS_SECTION].s);
431 break;
432
433 case TCOMMON_SECTION:
434 S_SET_SEGMENT (symbolP, v850_seg_table[TBSS_SECTION].s);
435 break;
436
437 default:
438 abort ();
439 }
440
441 S_CLEAR_EXTERNAL (symbolP);
442 obj_elf_section_change_hook ();
443 subseg_set (old_sec, old_subsec);
444 }
445 else
446 {
447 segT old_sec;
448 int old_subsec;
449
450 allocate_common:
451 old_sec = now_seg;
452 old_subsec = now_subseg;
453
454 S_SET_VALUE (symbolP, (valueT) size);
455 S_SET_ALIGN (symbolP, temp);
456 S_SET_EXTERNAL (symbolP);
457
458 switch (area)
459 {
460 case SCOMMON_SECTION:
461 case ZCOMMON_SECTION:
462 case TCOMMON_SECTION:
463 do_v850_seg (area, 0);
464 S_SET_SEGMENT (symbolP, v850_seg_table[area].s);
465 break;
466
467 default:
468 abort ();
469 }
470
471 obj_elf_section_change_hook ();
472 subseg_set (old_sec, old_subsec);
473 }
474 }
475 else
476 {
477 input_line_pointer++;
478
479 /* @@ Some use the dot, some don't. Can we get some consistency?? */
480 if (*input_line_pointer == '.')
481 input_line_pointer++;
482
483 /* @@ Some say data, some say bss. */
484 if (!startswith (input_line_pointer, "bss\"")
485 && !startswith (input_line_pointer, "data\""))
486 {
487 while (*--input_line_pointer != '"')
488 ;
489 input_line_pointer--;
490 goto bad_common_segment;
491 }
492
493 while (*input_line_pointer++ != '"')
494 ;
495
496 goto allocate_common;
497 }
498
499 symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
500
501 demand_empty_rest_of_line ();
502 return;
503
504 {
505 bad_common_segment:
506 p = input_line_pointer;
507 while (*p && *p != '\n')
508 p++;
509 c = *p;
510 *p = '\0';
511 as_bad (_("bad .common segment %s"), input_line_pointer + 1);
512 *p = c;
513 input_line_pointer = p;
514 ignore_rest_of_line ();
515 return;
516 }
517 }
518
519 static void
520 set_machine (int number)
521 {
522 machine = number;
523 bfd_set_arch_mach (stdoutput, v850_target_arch, machine);
524
525 switch (machine)
526 {
527 case 0: SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850); break;
528 case bfd_mach_v850: SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850); break;
529 case bfd_mach_v850e: SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E); break;
530 case bfd_mach_v850e1: SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E); break;
531 case bfd_mach_v850e2: SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2); break;
532 case bfd_mach_v850e2v3:SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2V3); break;
533 case bfd_mach_v850e3v5: SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5); break;
534 }
535 }
536
537 static void
538 v850_longcode (int type)
539 {
540 expressionS ex;
541
542 if (! v850_relax)
543 {
544 if (type == 1)
545 as_warn (_(".longcall pseudo-op seen when not relaxing"));
546 else
547 as_warn (_(".longjump pseudo-op seen when not relaxing"));
548 }
549
550 expression (&ex);
551
552 if (ex.X_op != O_symbol || ex.X_add_number != 0)
553 {
554 as_bad (_("bad .longcall format"));
555 ignore_rest_of_line ();
556
557 return;
558 }
559
560 if (type == 1)
561 fix_new_exp (frag_now, frag_now_fix (), 4, & ex, 1,
562 BFD_RELOC_V850_LONGCALL);
563 else
564 fix_new_exp (frag_now, frag_now_fix (), 4, & ex, 1,
565 BFD_RELOC_V850_LONGJUMP);
566
567 demand_empty_rest_of_line ();
568 }
569
570 /* The target specific pseudo-ops which we support. */
571 const pseudo_typeS md_pseudo_table[] =
572 {
573 { "sdata", v850_seg, SDATA_SECTION },
574 { "tdata", v850_seg, TDATA_SECTION },
575 { "zdata", v850_seg, ZDATA_SECTION },
576 { "sbss", v850_seg, SBSS_SECTION },
577 { "tbss", v850_seg, TBSS_SECTION },
578 { "zbss", v850_seg, ZBSS_SECTION },
579 { "rosdata", v850_seg, ROSDATA_SECTION },
580 { "rozdata", v850_seg, ROZDATA_SECTION },
581 { "bss", v850_seg, BSS_SECTION },
582 { "offset", v850_offset, 0 },
583 { "word", cons, 4 },
584 { "zcomm", v850_comm, ZCOMMON_SECTION },
585 { "scomm", v850_comm, SCOMMON_SECTION },
586 { "tcomm", v850_comm, TCOMMON_SECTION },
587 { "v850", set_machine, 0 },
588 { "call_table_data", v850_seg, CALL_TABLE_DATA_SECTION },
589 { "call_table_text", v850_seg, CALL_TABLE_TEXT_SECTION },
590 { "v850e", set_machine, bfd_mach_v850e },
591 { "v850e1", set_machine, bfd_mach_v850e1 },
592 { "v850e2", set_machine, bfd_mach_v850e2 },
593 { "v850e2v3", set_machine, bfd_mach_v850e2v3 },
594 { "v850e2v4", set_machine, bfd_mach_v850e3v5 },
595 { "v850e3v5", set_machine, bfd_mach_v850e3v5 },
596 { "longcall", v850_longcode, 1 },
597 { "longjump", v850_longcode, 2 },
598 { NULL, NULL, 0 }
599 };
600
601 /* Opcode hash table. */
602 static htab_t v850_hash;
603
604 /* This table is sorted. Suitable for searching by a binary search. */
605 static const struct reg_name pre_defined_registers[] =
606 {
607 { "ep", 30, PROCESSOR_ALL }, /* ep - element ptr. */
608 { "gp", 4, PROCESSOR_ALL }, /* gp - global ptr. */
609 { "hp", 2, PROCESSOR_ALL }, /* hp - handler stack ptr. */
610 { "lp", 31, PROCESSOR_ALL }, /* lp - link ptr. */
611 { "r0", 0, PROCESSOR_ALL },
612 { "r1", 1, PROCESSOR_ALL },
613 { "r10", 10, PROCESSOR_ALL },
614 { "r11", 11, PROCESSOR_ALL },
615 { "r12", 12, PROCESSOR_ALL },
616 { "r13", 13, PROCESSOR_ALL },
617 { "r14", 14, PROCESSOR_ALL },
618 { "r15", 15, PROCESSOR_ALL },
619 { "r16", 16, PROCESSOR_ALL },
620 { "r17", 17, PROCESSOR_ALL },
621 { "r18", 18, PROCESSOR_ALL },
622 { "r19", 19, PROCESSOR_ALL },
623 { "r2", 2, PROCESSOR_ALL },
624 { "r20", 20, PROCESSOR_ALL },
625 { "r21", 21, PROCESSOR_ALL },
626 { "r22", 22, PROCESSOR_ALL },
627 { "r23", 23, PROCESSOR_ALL },
628 { "r24", 24, PROCESSOR_ALL },
629 { "r25", 25, PROCESSOR_ALL },
630 { "r26", 26, PROCESSOR_ALL },
631 { "r27", 27, PROCESSOR_ALL },
632 { "r28", 28, PROCESSOR_ALL },
633 { "r29", 29, PROCESSOR_ALL },
634 { "r3", 3, PROCESSOR_ALL },
635 { "r30", 30, PROCESSOR_ALL },
636 { "r31", 31, PROCESSOR_ALL },
637 { "r4", 4, PROCESSOR_ALL },
638 { "r5", 5, PROCESSOR_ALL },
639 { "r6", 6, PROCESSOR_ALL },
640 { "r7", 7, PROCESSOR_ALL },
641 { "r8", 8, PROCESSOR_ALL },
642 { "r9", 9, PROCESSOR_ALL },
643 { "sp", 3, PROCESSOR_ALL }, /* sp - stack ptr. */
644 { "tp", 5, PROCESSOR_ALL }, /* tp - text ptr. */
645 { "zero", 0, PROCESSOR_ALL },
646 };
647
648 #define REG_NAME_CNT \
649 (sizeof (pre_defined_registers) / sizeof (struct reg_name))
650
651 static const struct reg_name system_registers[] =
652 {
653 { "asid", 23, PROCESSOR_NOT_V850 },
654 { "bpam", 25, PROCESSOR_NOT_V850 },
655 { "bpav", 24, PROCESSOR_NOT_V850 },
656 { "bpc", 22, PROCESSOR_NOT_V850 },
657 { "bpdm", 27, PROCESSOR_NOT_V850 },
658 { "bpdv", 26, PROCESSOR_NOT_V850 },
659 { "bsel", 31, PROCESSOR_V850E2_UP },
660 { "cfg", 7, PROCESSOR_V850E2V3_UP },
661 { "ctbp", 20, PROCESSOR_NOT_V850 },
662 { "ctpc", 16, PROCESSOR_NOT_V850 },
663 { "ctpsw", 17, PROCESSOR_NOT_V850 },
664 { "dbic", 15, PROCESSOR_V850E2_UP },
665 { "dbpc", 18, PROCESSOR_NOT_V850 },
666 { "dbpsw", 19, PROCESSOR_NOT_V850 },
667 { "dbwr", 30, PROCESSOR_V850E2_UP },
668 { "dir", 21, PROCESSOR_NOT_V850 },
669 { "dpa0l", 16, PROCESSOR_V850E2V3_UP },
670 { "dpa0u", 17, PROCESSOR_V850E2V3_UP },
671 { "dpa1l", 18, PROCESSOR_V850E2V3_UP },
672 { "dpa1u", 19, PROCESSOR_V850E2V3_UP },
673 { "dpa2l", 20, PROCESSOR_V850E2V3_UP },
674 { "dpa2u", 21, PROCESSOR_V850E2V3_UP },
675 { "dpa3l", 22, PROCESSOR_V850E2V3_UP },
676 { "dpa3u", 23, PROCESSOR_V850E2V3_UP },
677 { "dpa4l", 24, PROCESSOR_V850E2V3_UP },
678 { "dpa4u", 25, PROCESSOR_V850E2V3_UP },
679 { "dpa5l", 26, PROCESSOR_V850E2V3_UP },
680 { "dpa5u", 27, PROCESSOR_V850E2V3_UP },
681 { "ecr", 4, PROCESSOR_ALL },
682 { "eh_base", 3, PROCESSOR_V850E2V3_UP },
683 { "eh_cfg", 1, PROCESSOR_V850E2V3_UP },
684 { "eh_reset", 2, PROCESSOR_V850E2V3_UP },
685 { "eiic", 13, PROCESSOR_V850E2_UP },
686 { "eipc", 0, PROCESSOR_ALL },
687 { "eipsw", 1, PROCESSOR_ALL },
688 { "eiwr", 28, PROCESSOR_V850E2_UP },
689 { "feic", 14, PROCESSOR_V850E2_UP },
690 { "fepc", 2, PROCESSOR_ALL },
691 { "fepsw", 3, PROCESSOR_ALL },
692 { "fewr", 29, PROCESSOR_V850E2_UP },
693 { "fpcc", 9, PROCESSOR_V850E2V3_UP },
694 { "fpcfg", 10, PROCESSOR_V850E2V3_UP },
695 { "fpec", 11, PROCESSOR_V850E2V3_UP },
696 { "fpepc", 7, PROCESSOR_V850E2V3_UP },
697 { "fpspc", 27, PROCESSOR_V850E2V3_UP },
698 { "fpsr", 6, PROCESSOR_V850E2V3_UP },
699 { "fpst", 8, PROCESSOR_V850E2V3_UP },
700 { "ipa0l", 6, PROCESSOR_V850E2V3_UP },
701 { "ipa0u", 7, PROCESSOR_V850E2V3_UP },
702 { "ipa1l", 8, PROCESSOR_V850E2V3_UP },
703 { "ipa1u", 9, PROCESSOR_V850E2V3_UP },
704 { "ipa2l", 10, PROCESSOR_V850E2V3_UP },
705 { "ipa2u", 11, PROCESSOR_V850E2V3_UP },
706 { "ipa3l", 12, PROCESSOR_V850E2V3_UP },
707 { "ipa3u", 13, PROCESSOR_V850E2V3_UP },
708 { "ipa4l", 14, PROCESSOR_V850E2V3_UP },
709 { "ipa4u", 15, PROCESSOR_V850E2V3_UP },
710 { "mca", 24, PROCESSOR_V850E2V3_UP },
711 { "mcc", 26, PROCESSOR_V850E2V3_UP },
712 { "mcr", 27, PROCESSOR_V850E2V3_UP },
713 { "mcs", 25, PROCESSOR_V850E2V3_UP },
714 { "mpc", 1, PROCESSOR_V850E2V3_UP },
715 { "mpm", 0, PROCESSOR_V850E2V3_UP },
716 { "mpu10_dpa0l", 16, PROCESSOR_V850E2V3_UP },
717 { "mpu10_dpa0u", 17, PROCESSOR_V850E2V3_UP },
718 { "mpu10_dpa1l", 18, PROCESSOR_V850E2V3_UP },
719 { "mpu10_dpa1u", 19, PROCESSOR_V850E2V3_UP },
720 { "mpu10_dpa2l", 20, PROCESSOR_V850E2V3_UP },
721 { "mpu10_dpa2u", 21, PROCESSOR_V850E2V3_UP },
722 { "mpu10_dpa3l", 22, PROCESSOR_V850E2V3_UP },
723 { "mpu10_dpa3u", 23, PROCESSOR_V850E2V3_UP },
724 { "mpu10_dpa4l", 24, PROCESSOR_V850E2V3_UP },
725 { "mpu10_dpa4u", 25, PROCESSOR_V850E2V3_UP },
726 { "mpu10_dpa5l", 26, PROCESSOR_V850E2V3_UP },
727 { "mpu10_dpa5u", 27, PROCESSOR_V850E2V3_UP },
728 { "mpu10_ipa0l", 6, PROCESSOR_V850E2V3_UP },
729 { "mpu10_ipa0u", 7, PROCESSOR_V850E2V3_UP },
730 { "mpu10_ipa1l", 8, PROCESSOR_V850E2V3_UP },
731 { "mpu10_ipa1u", 9, PROCESSOR_V850E2V3_UP },
732 { "mpu10_ipa2l", 10, PROCESSOR_V850E2V3_UP },
733 { "mpu10_ipa2u", 11, PROCESSOR_V850E2V3_UP },
734 { "mpu10_ipa3l", 12, PROCESSOR_V850E2V3_UP },
735 { "mpu10_ipa3u", 13, PROCESSOR_V850E2V3_UP },
736 { "mpu10_ipa4l", 14, PROCESSOR_V850E2V3_UP },
737 { "mpu10_ipa4u", 15, PROCESSOR_V850E2V3_UP },
738 { "mpu10_mpc", 1, PROCESSOR_V850E2V3_UP },
739 { "mpu10_mpm", 0, PROCESSOR_V850E2V3_UP },
740 { "mpu10_tid", 2, PROCESSOR_V850E2V3_UP },
741 { "mpu10_vmadr", 5, PROCESSOR_V850E2V3_UP },
742 { "mpu10_vmecr", 3, PROCESSOR_V850E2V3_UP },
743 { "mpu10_vmtid", 4, PROCESSOR_V850E2V3_UP },
744 { "pid", 6, PROCESSOR_V850E2V3_UP },
745 { "pmcr0", 4, PROCESSOR_V850E2V3_UP },
746 { "pmis2", 14, PROCESSOR_V850E2V3_UP },
747 { "psw", 5, PROCESSOR_ALL },
748 { "scbp", 12, PROCESSOR_V850E2V3_UP },
749 { "sccfg", 11, PROCESSOR_V850E2V3_UP },
750 { "sr0", 0, PROCESSOR_ALL },
751 { "sr1", 1, PROCESSOR_ALL },
752 { "sr10", 10, PROCESSOR_ALL },
753 { "sr11", 11, PROCESSOR_ALL },
754 { "sr12", 12, PROCESSOR_ALL },
755 { "sr13", 13, PROCESSOR_ALL },
756 { "sr14", 14, PROCESSOR_ALL },
757 { "sr15", 15, PROCESSOR_ALL },
758 { "sr16", 16, PROCESSOR_ALL },
759 { "sr17", 17, PROCESSOR_ALL },
760 { "sr18", 18, PROCESSOR_ALL },
761 { "sr19", 19, PROCESSOR_ALL },
762 { "sr2", 2, PROCESSOR_ALL },
763 { "sr20", 20, PROCESSOR_ALL },
764 { "sr21", 21, PROCESSOR_ALL },
765 { "sr22", 22, PROCESSOR_ALL },
766 { "sr23", 23, PROCESSOR_ALL },
767 { "sr24", 24, PROCESSOR_ALL },
768 { "sr25", 25, PROCESSOR_ALL },
769 { "sr26", 26, PROCESSOR_ALL },
770 { "sr27", 27, PROCESSOR_ALL },
771 { "sr28", 28, PROCESSOR_ALL },
772 { "sr29", 29, PROCESSOR_ALL },
773 { "sr3", 3, PROCESSOR_ALL },
774 { "sr30", 30, PROCESSOR_ALL },
775 { "sr31", 31, PROCESSOR_ALL },
776 { "sr4", 4, PROCESSOR_ALL },
777 { "sr5", 5, PROCESSOR_ALL },
778 { "sr6", 6, PROCESSOR_ALL },
779 { "sr7", 7, PROCESSOR_ALL },
780 { "sr8", 8, PROCESSOR_ALL },
781 { "sr9", 9, PROCESSOR_ALL },
782 { "sw_base", 3, PROCESSOR_V850E2V3_UP },
783 { "sw_cfg", 1, PROCESSOR_V850E2V3_UP },
784 { "sw_ctl", 0, PROCESSOR_V850E2V3_UP },
785 { "tid", 2, PROCESSOR_V850E2V3_UP },
786 { "vmadr", 6, PROCESSOR_V850E2V3_UP },
787 { "vmecr", 4, PROCESSOR_V850E2V3_UP },
788 { "vmtid", 5, PROCESSOR_V850E2V3_UP },
789 { "vsadr", 2, PROCESSOR_V850E2V3_UP },
790 { "vsecr", 0, PROCESSOR_V850E2V3_UP },
791 { "vstid", 1, PROCESSOR_V850E2V3_UP },
792 };
793
794 #define SYSREG_NAME_CNT \
795 (sizeof (system_registers) / sizeof (struct reg_name))
796
797
798 static const struct reg_name cc_names[] =
799 {
800 { "c", 0x1, PROCESSOR_ALL },
801 { "e", 0x2, PROCESSOR_ALL },
802 { "ge", 0xe, PROCESSOR_ALL },
803 { "gt", 0xf, PROCESSOR_ALL },
804 { "h", 0xb, PROCESSOR_ALL },
805 { "l", 0x1, PROCESSOR_ALL },
806 { "le", 0x7, PROCESSOR_ALL },
807 { "lt", 0x6, PROCESSOR_ALL },
808 { "n", 0x4, PROCESSOR_ALL },
809 { "nc", 0x9, PROCESSOR_ALL },
810 { "ne", 0xa, PROCESSOR_ALL },
811 { "nh", 0x3, PROCESSOR_ALL },
812 { "nl", 0x9, PROCESSOR_ALL },
813 { "ns", 0xc, PROCESSOR_ALL },
814 { "nv", 0x8, PROCESSOR_ALL },
815 { "nz", 0xa, PROCESSOR_ALL },
816 { "p", 0xc, PROCESSOR_ALL },
817 { "s", 0x4, PROCESSOR_ALL },
818 #define COND_SA_NUM 0xd
819 { "sa", COND_SA_NUM, PROCESSOR_ALL },
820 { "t", 0x5, PROCESSOR_ALL },
821 { "v", 0x0, PROCESSOR_ALL },
822 { "z", 0x2, PROCESSOR_ALL },
823 };
824
825 #define CC_NAME_CNT \
826 (sizeof (cc_names) / sizeof (struct reg_name))
827
828 static const struct reg_name float_cc_names[] =
829 {
830 { "eq", 0x2, PROCESSOR_V850E2V3_UP }, /* true. */
831 { "f", 0x0, PROCESSOR_V850E2V3_UP }, /* true. */
832 { "ge", 0xd, PROCESSOR_V850E2V3_UP }, /* false. */
833 { "gl", 0xb, PROCESSOR_V850E2V3_UP }, /* false. */
834 { "gle", 0x9, PROCESSOR_V850E2V3_UP }, /* false. */
835 { "gt", 0xf, PROCESSOR_V850E2V3_UP }, /* false. */
836 { "le", 0xe, PROCESSOR_V850E2V3_UP }, /* true. */
837 { "lt", 0xc, PROCESSOR_V850E2V3_UP }, /* true. */
838 { "neq", 0x2, PROCESSOR_V850E2V3_UP }, /* false. */
839 { "nge", 0xd, PROCESSOR_V850E2V3_UP }, /* true. */
840 { "ngl", 0xb, PROCESSOR_V850E2V3_UP }, /* true. */
841 { "ngle",0x9, PROCESSOR_V850E2V3_UP }, /* true. */
842 { "ngt", 0xf, PROCESSOR_V850E2V3_UP }, /* true. */
843 { "nle", 0xe, PROCESSOR_V850E2V3_UP }, /* false. */
844 { "nlt", 0xc, PROCESSOR_V850E2V3_UP }, /* false. */
845 { "oge", 0x5, PROCESSOR_V850E2V3_UP }, /* false. */
846 { "ogl", 0x3, PROCESSOR_V850E2V3_UP }, /* false. */
847 { "ogt", 0x7, PROCESSOR_V850E2V3_UP }, /* false. */
848 { "ole", 0x6, PROCESSOR_V850E2V3_UP }, /* true. */
849 { "olt", 0x4, PROCESSOR_V850E2V3_UP }, /* true. */
850 { "or", 0x1, PROCESSOR_V850E2V3_UP }, /* false. */
851 { "seq", 0xa, PROCESSOR_V850E2V3_UP }, /* true. */
852 { "sf", 0x8, PROCESSOR_V850E2V3_UP }, /* true. */
853 { "sne", 0xa, PROCESSOR_V850E2V3_UP }, /* false. */
854 { "st", 0x8, PROCESSOR_V850E2V3_UP }, /* false. */
855 { "t", 0x0, PROCESSOR_V850E2V3_UP }, /* false. */
856 { "ueq", 0x3, PROCESSOR_V850E2V3_UP }, /* true. */
857 { "uge", 0x4, PROCESSOR_V850E2V3_UP }, /* false. */
858 { "ugt", 0x6, PROCESSOR_V850E2V3_UP }, /* false. */
859 { "ule", 0x7, PROCESSOR_V850E2V3_UP }, /* true. */
860 { "ult", 0x5, PROCESSOR_V850E2V3_UP }, /* true. */
861 { "un", 0x1, PROCESSOR_V850E2V3_UP }, /* true. */
862 };
863
864 #define FLOAT_CC_NAME_CNT \
865 (sizeof (float_cc_names) / sizeof (struct reg_name))
866
867
868 static const struct reg_name cacheop_names[] =
869 {
870 { "cfald", 0x44, PROCESSOR_V850E3V5_UP },
871 { "cfali", 0x40, PROCESSOR_V850E3V5_UP },
872 { "chbid", 0x04, PROCESSOR_V850E3V5_UP },
873 { "chbii", 0x00, PROCESSOR_V850E3V5_UP },
874 { "chbiwbd", 0x06, PROCESSOR_V850E3V5_UP },
875 { "chbwbd", 0x07, PROCESSOR_V850E3V5_UP },
876 { "cibid", 0x24, PROCESSOR_V850E3V5_UP },
877 { "cibii", 0x20, PROCESSOR_V850E3V5_UP },
878 { "cibiwbd", 0x26, PROCESSOR_V850E3V5_UP },
879 { "cibwbd", 0x27, PROCESSOR_V850E3V5_UP },
880 { "cildd", 0x65, PROCESSOR_V850E3V5_UP },
881 { "cildi", 0x61, PROCESSOR_V850E3V5_UP },
882 { "cistd", 0x64, PROCESSOR_V850E3V5_UP },
883 { "cisti", 0x60, PROCESSOR_V850E3V5_UP },
884 };
885
886 #define CACHEOP_NAME_CNT \
887 (sizeof (cacheop_names) / sizeof (struct reg_name))
888
889 static const struct reg_name prefop_names[] =
890 {
891 { "prefd", 0x04, PROCESSOR_V850E3V5_UP },
892 { "prefi", 0x00, PROCESSOR_V850E3V5_UP },
893 };
894
895 #define PREFOP_NAME_CNT \
896 (sizeof (prefop_names) / sizeof (struct reg_name))
897
898 static const struct reg_name vector_registers[] =
899 {
900 { "vr0", 0, PROCESSOR_V850E3V5_UP },
901 { "vr1", 1, PROCESSOR_V850E3V5_UP },
902 { "vr10", 10, PROCESSOR_V850E3V5_UP },
903 { "vr11", 11, PROCESSOR_V850E3V5_UP },
904 { "vr12", 12, PROCESSOR_V850E3V5_UP },
905 { "vr13", 13, PROCESSOR_V850E3V5_UP },
906 { "vr14", 14, PROCESSOR_V850E3V5_UP },
907 { "vr15", 15, PROCESSOR_V850E3V5_UP },
908 { "vr16", 16, PROCESSOR_V850E3V5_UP },
909 { "vr17", 17, PROCESSOR_V850E3V5_UP },
910 { "vr18", 18, PROCESSOR_V850E3V5_UP },
911 { "vr19", 19, PROCESSOR_V850E3V5_UP },
912 { "vr2", 2, PROCESSOR_V850E3V5_UP },
913 { "vr20", 20, PROCESSOR_V850E3V5_UP },
914 { "vr21", 21, PROCESSOR_V850E3V5_UP },
915 { "vr22", 22, PROCESSOR_V850E3V5_UP },
916 { "vr23", 23, PROCESSOR_V850E3V5_UP },
917 { "vr24", 24, PROCESSOR_V850E3V5_UP },
918 { "vr25", 25, PROCESSOR_V850E3V5_UP },
919 { "vr26", 26, PROCESSOR_V850E3V5_UP },
920 { "vr27", 27, PROCESSOR_V850E3V5_UP },
921 { "vr28", 28, PROCESSOR_V850E3V5_UP },
922 { "vr29", 29, PROCESSOR_V850E3V5_UP },
923 { "vr3", 3, PROCESSOR_V850E3V5_UP },
924 { "vr30", 30, PROCESSOR_V850E3V5_UP },
925 { "vr31", 31, PROCESSOR_V850E3V5_UP },
926 { "vr4", 4, PROCESSOR_V850E3V5_UP },
927 { "vr5", 5, PROCESSOR_V850E3V5_UP },
928 { "vr6", 6, PROCESSOR_V850E3V5_UP },
929 { "vr7", 7, PROCESSOR_V850E3V5_UP },
930 { "vr8", 8, PROCESSOR_V850E3V5_UP },
931 { "vr9", 9, PROCESSOR_V850E3V5_UP },
932 };
933
934 #define VREG_NAME_CNT \
935 (sizeof (vector_registers) / sizeof (struct reg_name))
936
937 /* Do a binary search of the given register table to see if NAME is a
938 valid register name. Return the register number from the array on
939 success, or -1 on failure. */
940
941 static int
942 reg_name_search (const struct reg_name *regs,
943 int regcount,
944 const char *name,
945 bool accept_numbers)
946 {
947 int middle, low, high;
948 int cmp;
949 symbolS *symbolP;
950
951 /* If the register name is a symbol, then evaluate it. */
952 if ((symbolP = symbol_find (name)) != NULL)
953 {
954 /* If the symbol is an alias for another name then use that.
955 If the symbol is an alias for a number, then return the number. */
956 if (symbol_equated_p (symbolP))
957 name
958 = S_GET_NAME (symbol_get_value_expression (symbolP)->X_add_symbol);
959 else if (accept_numbers)
960 {
961 int reg = S_GET_VALUE (symbolP);
962 return reg;
963 }
964
965 /* Otherwise drop through and try parsing name normally. */
966 }
967
968 low = 0;
969 high = regcount - 1;
970
971 do
972 {
973 middle = (low + high) / 2;
974 cmp = strcasecmp (name, regs[middle].name);
975 if (cmp < 0)
976 high = middle - 1;
977 else if (cmp > 0)
978 low = middle + 1;
979 else
980 return ((regs[middle].processors & processor_mask)
981 ? regs[middle].value
982 : -1);
983 }
984 while (low <= high);
985 return -1;
986 }
987
988 /* Summary of register_name().
989
990 in: Input_line_pointer points to 1st char of operand.
991
992 out: An expressionS.
993 The operand may have been a register: in this case, X_op == O_register,
994 X_add_number is set to the register number, and truth is returned.
995 Input_line_pointer->(next non-blank) char after operand, or is in
996 its original state. */
997
998 static bool
999 register_name (expressionS *expressionP)
1000 {
1001 int reg_number;
1002 char *name;
1003 char *start;
1004 char c;
1005
1006 /* Find the spelling of the operand. */
1007 start = input_line_pointer;
1008 c = get_symbol_name (&name);
1009
1010 reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT,
1011 name, false);
1012
1013 /* Put back the delimiting char. */
1014 (void) restore_line_pointer (c);
1015
1016 expressionP->X_add_symbol = NULL;
1017 expressionP->X_op_symbol = NULL;
1018
1019 /* Look to see if it's in the register table. */
1020 if (reg_number >= 0)
1021 {
1022 expressionP->X_op = O_register;
1023 expressionP->X_add_number = reg_number;
1024
1025 return true;
1026 }
1027
1028 /* Reset the line as if we had not done anything. */
1029 input_line_pointer = start;
1030
1031 expressionP->X_op = O_illegal;
1032
1033 return false;
1034 }
1035
1036 /* Summary of system_register_name().
1037
1038 in: INPUT_LINE_POINTER points to 1st char of operand.
1039 EXPRESSIONP points to an expression structure to be filled in.
1040 ACCEPT_NUMBERS is true iff numerical register names may be used.
1041
1042 out: An expressionS structure in expressionP.
1043 The operand may have been a register: in this case, X_op == O_register,
1044 X_add_number is set to the register number, and truth is returned.
1045 Input_line_pointer->(next non-blank) char after operand, or is in
1046 its original state. */
1047
1048 static bool
1049 system_register_name (expressionS *expressionP,
1050 bool accept_numbers)
1051 {
1052 int reg_number;
1053 char *name;
1054 char *start;
1055 char c;
1056
1057 /* Find the spelling of the operand. */
1058 start = input_line_pointer;
1059 c = get_symbol_name (&name);
1060 reg_number = reg_name_search (system_registers, SYSREG_NAME_CNT, name,
1061 accept_numbers);
1062
1063 /* Put back the delimiting char. */
1064 (void) restore_line_pointer (c);
1065
1066 if (reg_number < 0
1067 && accept_numbers)
1068 {
1069 /* Reset input_line pointer. */
1070 input_line_pointer = start;
1071
1072 if (ISDIGIT (*input_line_pointer))
1073 {
1074 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1075 }
1076 }
1077
1078 expressionP->X_add_symbol = NULL;
1079 expressionP->X_op_symbol = NULL;
1080
1081 /* Look to see if it's in the register table. */
1082 if (reg_number >= 0)
1083 {
1084 expressionP->X_op = O_register;
1085 expressionP->X_add_number = reg_number;
1086
1087 return true;
1088 }
1089
1090 /* Reset the line as if we had not done anything. */
1091 input_line_pointer = start;
1092
1093 expressionP->X_op = O_illegal;
1094
1095 return false;
1096 }
1097
1098 /* Summary of cc_name().
1099
1100 in: INPUT_LINE_POINTER points to 1st char of operand.
1101
1102 out: An expressionS.
1103 The operand may have been a register: in this case, X_op == O_register,
1104 X_add_number is set to the register number, and truth is returned.
1105 Input_line_pointer->(next non-blank) char after operand, or is in
1106 its original state. */
1107
1108 static bool
1109 cc_name (expressionS *expressionP,
1110 bool accept_numbers)
1111 {
1112 int reg_number;
1113 char *name;
1114 char *start;
1115 char c;
1116
1117 /* Find the spelling of the operand. */
1118 start = input_line_pointer;
1119 c = get_symbol_name (&name);
1120 reg_number = reg_name_search (cc_names, CC_NAME_CNT, name, accept_numbers);
1121
1122 /* Put back the delimiting char. */
1123 (void) restore_line_pointer (c);
1124
1125 if (reg_number < 0
1126 && accept_numbers)
1127 {
1128 /* Reset input_line pointer. */
1129 input_line_pointer = start;
1130
1131 if (ISDIGIT (*input_line_pointer))
1132 {
1133 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1134 }
1135 }
1136
1137 expressionP->X_add_symbol = NULL;
1138 expressionP->X_op_symbol = NULL;
1139
1140 /* Look to see if it's in the register table. */
1141 if (reg_number >= 0)
1142 {
1143 expressionP->X_op = O_constant;
1144 expressionP->X_add_number = reg_number;
1145
1146 return true;
1147 }
1148
1149 /* Reset the line as if we had not done anything. */
1150 input_line_pointer = start;
1151
1152 expressionP->X_op = O_illegal;
1153 expressionP->X_add_number = 0;
1154
1155 return false;
1156 }
1157
1158 static bool
1159 float_cc_name (expressionS *expressionP,
1160 bool accept_numbers)
1161 {
1162 int reg_number;
1163 char *name;
1164 char *start;
1165 char c;
1166
1167 /* Find the spelling of the operand. */
1168 start = input_line_pointer;
1169 c = get_symbol_name (&name);
1170 reg_number = reg_name_search (float_cc_names, FLOAT_CC_NAME_CNT, name, accept_numbers);
1171
1172 /* Put back the delimiting char. */
1173 (void) restore_line_pointer (c);
1174
1175 if (reg_number < 0
1176 && accept_numbers)
1177 {
1178 /* Reset input_line pointer. */
1179 input_line_pointer = start;
1180
1181 if (ISDIGIT (*input_line_pointer))
1182 {
1183 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1184 }
1185 }
1186
1187 expressionP->X_add_symbol = NULL;
1188 expressionP->X_op_symbol = NULL;
1189
1190 /* Look to see if it's in the register table. */
1191 if (reg_number >= 0)
1192 {
1193 expressionP->X_op = O_constant;
1194 expressionP->X_add_number = reg_number;
1195
1196 return true;
1197 }
1198
1199 /* Reset the line as if we had not done anything. */
1200 input_line_pointer = start;
1201
1202 expressionP->X_op = O_illegal;
1203 expressionP->X_add_number = 0;
1204
1205 return false;
1206 }
1207
1208 static bool
1209 cacheop_name (expressionS * expressionP,
1210 bool accept_numbers)
1211 {
1212 int reg_number;
1213 char *name;
1214 char *start;
1215 char c;
1216
1217 /* Find the spelling of the operand. */
1218 start = input_line_pointer;
1219 c = get_symbol_name (&name);
1220 reg_number = reg_name_search (cacheop_names, CACHEOP_NAME_CNT, name, accept_numbers);
1221
1222 /* Put back the delimiting char. */
1223 (void) restore_line_pointer (c);
1224
1225 if (reg_number < 0
1226 && accept_numbers)
1227 {
1228 /* Reset input_line pointer. */
1229 input_line_pointer = start;
1230
1231 if (ISDIGIT (*input_line_pointer))
1232 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1233 }
1234
1235 expressionP->X_add_symbol = NULL;
1236 expressionP->X_op_symbol = NULL;
1237
1238 /* Look to see if it's in the register table. */
1239 if (reg_number >= 0)
1240 {
1241 expressionP->X_op = O_constant;
1242 expressionP->X_add_number = reg_number;
1243
1244 return true;
1245 }
1246
1247 /* Reset the line as if we had not done anything. */
1248 input_line_pointer = start;
1249
1250 expressionP->X_op = O_illegal;
1251 expressionP->X_add_number = 0;
1252
1253 return false;
1254 }
1255
1256 static bool
1257 prefop_name (expressionS * expressionP,
1258 bool accept_numbers)
1259 {
1260 int reg_number;
1261 char *name;
1262 char *start;
1263 char c;
1264
1265 /* Find the spelling of the operand. */
1266 start = input_line_pointer;
1267 c = get_symbol_name (&name);
1268 reg_number = reg_name_search (prefop_names, PREFOP_NAME_CNT, name, accept_numbers);
1269
1270 /* Put back the delimiting char. */
1271 (void) restore_line_pointer (c);
1272
1273 if (reg_number < 0
1274 && accept_numbers)
1275 {
1276 /* Reset input_line pointer. */
1277 input_line_pointer = start;
1278
1279 if (ISDIGIT (*input_line_pointer))
1280 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1281 }
1282
1283 expressionP->X_add_symbol = NULL;
1284 expressionP->X_op_symbol = NULL;
1285
1286 /* Look to see if it's in the register table. */
1287 if (reg_number >= 0)
1288 {
1289 expressionP->X_op = O_constant;
1290 expressionP->X_add_number = reg_number;
1291
1292 return true;
1293 }
1294
1295 /* Reset the line as if we had not done anything. */
1296 input_line_pointer = start;
1297
1298 expressionP->X_op = O_illegal;
1299 expressionP->X_add_number = 0;
1300
1301 return false;
1302 }
1303
1304 static bool
1305 vector_register_name (expressionS *expressionP)
1306 {
1307 int reg_number;
1308 char *name;
1309 char *start;
1310 char c;
1311
1312 /* Find the spelling of the operand. */
1313 start = input_line_pointer;
1314 c = get_symbol_name (&name);
1315
1316 reg_number = reg_name_search (vector_registers, VREG_NAME_CNT,
1317 name, false);
1318
1319 /* Put back the delimiting char. */
1320 (void) restore_line_pointer (c);
1321
1322 expressionP->X_add_symbol = NULL;
1323 expressionP->X_op_symbol = NULL;
1324
1325 /* Look to see if it's in the register table. */
1326 if (reg_number >= 0)
1327 {
1328 expressionP->X_op = O_register;
1329 expressionP->X_add_number = reg_number;
1330
1331 return true;
1332 }
1333
1334 /* Reset the line as if we had not done anything. */
1335 input_line_pointer = start;
1336
1337 expressionP->X_op = O_illegal;
1338
1339 return false;
1340 }
1341
1342 static void
1343 skip_white_space (void)
1344 {
1345 while (*input_line_pointer == ' '
1346 || *input_line_pointer == '\t')
1347 ++input_line_pointer;
1348 }
1349
1350 /* Summary of parse_register_list ().
1351
1352 in: INPUT_LINE_POINTER points to 1st char of a list of registers.
1353 INSN is the partially constructed instruction.
1354 OPERAND is the operand being inserted.
1355
1356 out: NULL if the parse completed successfully, otherwise a
1357 pointer to an error message is returned. If the parse
1358 completes the correct bit fields in the instruction
1359 will be filled in.
1360
1361 Parses register lists with the syntax:
1362
1363 { rX }
1364 { rX, rY }
1365 { rX - rY }
1366 { rX - rY, rZ }
1367 etc
1368
1369 and also parses constant expressions whose bits indicate the
1370 registers in the lists. The LSB in the expression refers to
1371 the lowest numbered permissible register in the register list,
1372 and so on upwards. System registers are considered to be very
1373 high numbers. */
1374
1375 static const char *
1376 parse_register_list (unsigned long *insn,
1377 const struct v850_operand *operand)
1378 {
1379 static int type1_regs[32] =
1380 {
1381 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1382 0, 0, 0, 0, 0, 31, 29, 28, 23, 22, 21, 20, 27, 26, 25, 24
1383 };
1384
1385 int *regs;
1386 expressionS exp;
1387
1388 /* Select a register array to parse. */
1389 switch (operand->shift)
1390 {
1391 case 0xffe00001: regs = type1_regs; break;
1392 default:
1393 as_bad (_("unknown operand shift: %x\n"), operand->shift);
1394 return _("internal failure in parse_register_list");
1395 }
1396
1397 skip_white_space ();
1398
1399 /* If the expression starts with a curly brace it is a register list.
1400 Otherwise it is a constant expression, whose bits indicate which
1401 registers are to be included in the list. */
1402 if (*input_line_pointer != '{')
1403 {
1404 int reg;
1405 int i;
1406
1407 expression (&exp);
1408
1409 if (exp.X_op != O_constant)
1410 return _("constant expression or register list expected");
1411
1412 if (regs == type1_regs)
1413 {
1414 if (exp.X_add_number & 0xFFFFF000)
1415 return _("high bits set in register list expression");
1416
1417 for (reg = 20; reg < 32; reg++)
1418 if (exp.X_add_number & (1 << (reg - 20)))
1419 {
1420 for (i = 0; i < 32; i++)
1421 if (regs[i] == reg)
1422 *insn |= (1 << i);
1423 }
1424 }
1425
1426 return NULL;
1427 }
1428
1429 input_line_pointer++;
1430
1431 /* Parse the register list until a terminator (closing curly brace or
1432 new-line) is found. */
1433 for (;;)
1434 {
1435 skip_white_space ();
1436
1437 if (register_name (&exp))
1438 {
1439 int i;
1440
1441 /* Locate the given register in the list, and if it is there,
1442 insert the corresponding bit into the instruction. */
1443 for (i = 0; i < 32; i++)
1444 {
1445 if (regs[i] == exp.X_add_number)
1446 {
1447 *insn |= 1u << i;
1448 break;
1449 }
1450 }
1451
1452 if (i == 32)
1453 return _("illegal register included in list");
1454 }
1455 else if (system_register_name (&exp, true))
1456 {
1457 if (regs == type1_regs)
1458 {
1459 return _("system registers cannot be included in list");
1460 }
1461 }
1462
1463 if (*input_line_pointer == '}')
1464 {
1465 input_line_pointer++;
1466 break;
1467 }
1468 else if (*input_line_pointer == ',')
1469 {
1470 input_line_pointer++;
1471 continue;
1472 }
1473 else if (*input_line_pointer == '-')
1474 {
1475 /* We have encountered a range of registers: rX - rY. */
1476 int j;
1477 expressionS exp2;
1478
1479 /* Skip the dash. */
1480 ++input_line_pointer;
1481
1482 /* Get the second register in the range. */
1483 if (! register_name (&exp2))
1484 {
1485 return _("second register should follow dash in register list");
1486 }
1487
1488 if (exp.X_add_number > exp2.X_add_number)
1489 {
1490 return _("second register should be greater than first register");
1491 }
1492
1493 /* Add the rest of the registers in the range. */
1494 for (j = exp.X_add_number + 1; j <= exp2.X_add_number; j++)
1495 {
1496 int i;
1497
1498 /* Locate the given register in the list, and if it is there,
1499 insert the corresponding bit into the instruction. */
1500 for (i = 0; i < 32; i++)
1501 {
1502 if (regs[i] == j)
1503 {
1504 *insn |= (1 << i);
1505 break;
1506 }
1507 }
1508
1509 if (i == 32)
1510 return _("illegal register included in list");
1511 }
1512
1513 exp = exp2;
1514 }
1515 else
1516 break;
1517 }
1518
1519 return NULL;
1520 }
1521
1522 const char *md_shortopts = "m:";
1523
1524 struct option md_longopts[] =
1525 {
1526 #define OPTION_DISP_SIZE_DEFAULT_22 (OPTION_MD_BASE)
1527 {"disp-size-default-22", no_argument, NULL, OPTION_DISP_SIZE_DEFAULT_22},
1528 #define OPTION_DISP_SIZE_DEFAULT_32 (OPTION_MD_BASE + 1)
1529 {"disp-size-default-32", no_argument, NULL, OPTION_DISP_SIZE_DEFAULT_32},
1530 {NULL, no_argument, NULL, 0}
1531 };
1532
1533 size_t md_longopts_size = sizeof (md_longopts);
1534
1535 static bool v850_data_8 = false;
1536
1537 void
1538 md_show_usage (FILE *stream)
1539 {
1540 fprintf (stream, _(" V850 options:\n"));
1541 fprintf (stream, _(" -mwarn-signed-overflow Warn if signed immediate values overflow\n"));
1542 fprintf (stream, _(" -mwarn-unsigned-overflow Warn if unsigned immediate values overflow\n"));
1543 fprintf (stream, _(" -mv850 The code is targeted at the v850\n"));
1544 fprintf (stream, _(" -mv850e The code is targeted at the v850e\n"));
1545 fprintf (stream, _(" -mv850e1 The code is targeted at the v850e1\n"));
1546 fprintf (stream, _(" -mv850e2 The code is targeted at the v850e2\n"));
1547 fprintf (stream, _(" -mv850e2v3 The code is targeted at the v850e2v3\n"));
1548 fprintf (stream, _(" -mv850e2v4 Alias for -mv850e3v5\n"));
1549 fprintf (stream, _(" -mv850e3v5 The code is targeted at the v850e3v5\n"));
1550 fprintf (stream, _(" -mrelax Enable relaxation\n"));
1551 fprintf (stream, _(" --disp-size-default-22 branch displacement with unknown size is 22 bits (default)\n"));
1552 fprintf (stream, _(" --disp-size-default-32 branch displacement with unknown size is 32 bits\n"));
1553 fprintf (stream, _(" -mextension enable extension opcode support\n"));
1554 fprintf (stream, _(" -mno-bcond17 disable b<cond> disp17 instruction\n"));
1555 fprintf (stream, _(" -mno-stld23 disable st/ld offset23 instruction\n"));
1556 fprintf (stream, _(" -mgcc-abi Mark the binary as using the old GCC ABI\n"));
1557 fprintf (stream, _(" -mrh850-abi Mark the binary as using the RH850 ABI (default)\n"));
1558 fprintf (stream, _(" -m8byte-align Mark the binary as using 64-bit alignment\n"));
1559 fprintf (stream, _(" -m4byte-align Mark the binary as using 32-bit alignment (default)\n"));
1560 fprintf (stream, _(" -msoft-float Mark the binary as not using FP insns (default for pre e2v3)\n"));
1561 fprintf (stream, _(" -mhard-float Mark the binary as using FP insns (default for e2v3 and up)\n"));
1562 }
1563
1564 int
1565 md_parse_option (int c, const char *arg)
1566 {
1567 if (c != 'm')
1568 {
1569 switch (c)
1570 {
1571 case OPTION_DISP_SIZE_DEFAULT_22:
1572 default_disp_size = 22;
1573 return 1;
1574
1575 case OPTION_DISP_SIZE_DEFAULT_32:
1576 default_disp_size = 32;
1577 return 1;
1578 }
1579 return 0;
1580 }
1581
1582 if (strcmp (arg, "warn-signed-overflow") == 0)
1583 warn_signed_overflows = true;
1584
1585 else if (strcmp (arg, "warn-unsigned-overflow") == 0)
1586 warn_unsigned_overflows = true;
1587
1588 else if (strcmp (arg, "v850") == 0)
1589 {
1590 machine = 0;
1591 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850);
1592 }
1593 else if (strcmp (arg, "v850e") == 0)
1594 {
1595 machine = bfd_mach_v850e;
1596 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E);
1597 }
1598 else if (strcmp (arg, "v850e1") == 0)
1599 {
1600 machine = bfd_mach_v850e1;
1601 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E1);
1602 }
1603 else if (strcmp (arg, "v850e2") == 0)
1604 {
1605 machine = bfd_mach_v850e2;
1606 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2);
1607 }
1608 else if (strcmp (arg, "v850e2v3") == 0)
1609 {
1610 machine = bfd_mach_v850e2v3;
1611 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2V3);
1612 }
1613 else if (strcmp (arg, "v850e2v4") == 0)
1614 {
1615 machine = bfd_mach_v850e3v5;
1616 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1617 }
1618 else if (strcmp (arg, "v850e3v5") == 0)
1619 {
1620 machine = bfd_mach_v850e3v5;
1621 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1622 }
1623 else if (strcmp (arg, "extension") == 0)
1624 {
1625 processor_mask |= PROCESSOR_OPTION_EXTENSION | PROCESSOR_OPTION_ALIAS;
1626 }
1627 else if (strcmp (arg, "no-bcond17") == 0)
1628 {
1629 no_bcond17 = 1;
1630 }
1631 else if (strcmp (arg, "no-stld23") == 0)
1632 {
1633 no_stld23 = 1;
1634 }
1635 else if (strcmp (arg, "relax") == 0)
1636 v850_relax = 1;
1637 else if (strcmp (arg, "gcc-abi") == 0)
1638 {
1639 v850_target_arch = bfd_arch_v850;
1640 v850_target_format = "elf32-v850";
1641 }
1642 else if (strcmp (arg, "rh850-abi") == 0)
1643 {
1644 v850_target_arch = bfd_arch_v850_rh850;
1645 v850_target_format = "elf32-v850-rh850";
1646 }
1647 else if (strcmp (arg, "8byte-align") == 0)
1648 {
1649 v850_data_8 = true;
1650 v850_e_flags |= EF_RH850_DATA_ALIGN8;
1651 }
1652 else if (strcmp (arg, "4byte-align") == 0)
1653 {
1654 v850_data_8 = false;
1655 v850_e_flags &= ~ EF_RH850_DATA_ALIGN8;
1656 }
1657 else if (strcmp (arg, "soft-float") == 0)
1658 soft_float = 1;
1659 else if (strcmp (arg, "hard-float") == 0)
1660 soft_float = 0;
1661 else
1662 return 0;
1663
1664 return 1;
1665 }
1666
1667 symbolS *
1668 md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
1669 {
1670 return 0;
1671 }
1672
1673 const char *
1674 md_atof (int type, char *litp, int *sizep)
1675 {
1676 return ieee_md_atof (type, litp, sizep, false);
1677 }
1678
1679 /* Very gross. */
1680
1681 void
1682 md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
1683 asection *sec,
1684 fragS *fragP)
1685 {
1686 union u
1687 {
1688 bfd_reloc_code_real_type fx_r_type;
1689 char * fr_opcode;
1690 }
1691 opcode_converter;
1692 subseg_change (sec, 0);
1693
1694 opcode_converter.fr_opcode = fragP->fr_opcode;
1695
1696 subseg_change (sec, 0);
1697
1698 if (fragP->fr_subtype == SUBYPTE_LOOP_16_22)
1699 {
1700 fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
1701 fragP->fr_offset, 1,
1702 BFD_RELOC_UNUSED + opcode_converter.fx_r_type);
1703 fragP->fr_fix += 4;
1704 }
1705 else if (fragP->fr_subtype == SUBYPTE_LOOP_16_22 + 1)
1706 {
1707 unsigned char * buffer =
1708 (unsigned char *) (fragP->fr_fix + &fragP->fr_literal[0]);
1709 int loop_reg = (buffer[0] & 0x1f);
1710
1711 /* Add -1.reg. */
1712 md_number_to_chars ((char *) buffer, 0x025f | (loop_reg << 11), 2);
1713 /* Now create the conditional branch + fixup to the final target. */
1714 /* 0x000107ea = bne LBL(disp17). */
1715 md_number_to_chars ((char *) buffer + 2, 0x000107ea, 4);
1716 fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol,
1717 fragP->fr_offset, 1,
1718 BFD_RELOC_V850_17_PCREL);
1719 fragP->fr_fix += 6;
1720 }
1721 /* In range conditional or unconditional branch. */
1722 else if (fragP->fr_subtype == SUBYPTE_COND_9_22
1723 || fragP->fr_subtype == SUBYPTE_UNCOND_9_22
1724 || fragP->fr_subtype == SUBYPTE_COND_9_22_32
1725 || fragP->fr_subtype == SUBYPTE_UNCOND_9_22_32
1726 || fragP->fr_subtype == SUBYPTE_COND_9_17_22
1727 || fragP->fr_subtype == SUBYPTE_COND_9_17_22_32
1728 || fragP->fr_subtype == SUBYPTE_SA_9_22
1729 || fragP->fr_subtype == SUBYPTE_SA_9_22_32
1730 || fragP->fr_subtype == SUBYPTE_SA_9_17_22
1731 || fragP->fr_subtype == SUBYPTE_SA_9_17_22_32)
1732
1733 {
1734 fix_new (fragP, fragP->fr_fix, 2, fragP->fr_symbol,
1735 fragP->fr_offset, 1,
1736 BFD_RELOC_UNUSED + opcode_converter.fx_r_type);
1737 fragP->fr_fix += 2;
1738 }
1739 /* V850e2r-v3 17bit conditional branch. */
1740 else if (fragP->fr_subtype == SUBYPTE_COND_9_17_22 + 1
1741 || fragP->fr_subtype == SUBYPTE_COND_9_17_22_32 + 1
1742 || fragP->fr_subtype == SUBYPTE_SA_9_17_22 + 1
1743 || fragP->fr_subtype == SUBYPTE_SA_9_17_22_32 + 1)
1744 {
1745 unsigned char *buffer =
1746 (unsigned char *) (fragP->fr_fix + &fragP->fr_literal[0]);
1747
1748 buffer[0] &= 0x0f; /* Use condition. */
1749 buffer[0] |= 0xe0;
1750 buffer[1] = 0x07;
1751
1752 /* Now create the unconditional branch + fixup to the final
1753 target. */
1754 md_number_to_chars ((char *) buffer + 2, 0x0001, 2);
1755 fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
1756 fragP->fr_offset, 1, BFD_RELOC_V850_17_PCREL);
1757 fragP->fr_fix += 4;
1758 }
1759 /* Out of range conditional branch. Emit a branch around a 22bit jump. */
1760 else if (fragP->fr_subtype == SUBYPTE_COND_9_22 + 1
1761 || fragP->fr_subtype == SUBYPTE_COND_9_22_32 + 1
1762 || fragP->fr_subtype == SUBYPTE_COND_9_17_22 + 2
1763 || fragP->fr_subtype == SUBYPTE_COND_9_17_22_32 + 2)
1764 {
1765 unsigned char *buffer =
1766 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1767
1768 /* Reverse the condition of the first branch. */
1769 buffer[0] ^= 0x08;
1770 /* Mask off all the displacement bits. */
1771 buffer[0] &= 0x8f;
1772 buffer[1] &= 0x07;
1773 /* Now set the displacement bits so that we branch
1774 around the unconditional branch. */
1775 buffer[0] |= 0x30;
1776
1777 /* Now create the unconditional branch + fixup to the final
1778 target. */
1779 md_number_to_chars ((char *) buffer + 2, 0x00000780, 4);
1780 fix_new (fragP, fragP->fr_fix + 2, 4, fragP->fr_symbol,
1781 fragP->fr_offset, 1, BFD_RELOC_V850_22_PCREL);
1782 fragP->fr_fix += 6;
1783 }
1784 /* Out of range conditional branch. Emit a branch around a 32bit jump. */
1785 else if (fragP->fr_subtype == SUBYPTE_COND_9_22_32 + 2
1786 || fragP->fr_subtype == SUBYPTE_COND_9_17_22_32 + 3)
1787 {
1788 unsigned char *buffer =
1789 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1790
1791 /* Reverse the condition of the first branch. */
1792 buffer[0] ^= 0x08;
1793 /* Mask off all the displacement bits. */
1794 buffer[0] &= 0x8f;
1795 buffer[1] &= 0x07;
1796 /* Now set the displacement bits so that we branch
1797 around the unconditional branch. */
1798 buffer[0] |= 0x40;
1799
1800 /* Now create the unconditional branch + fixup to the final
1801 target. */
1802 md_number_to_chars ((char *) buffer + 2, 0x02e0, 2);
1803 fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol,
1804 fragP->fr_offset + 2, 1, BFD_RELOC_V850_32_PCREL);
1805 fragP->fr_fix += 8;
1806 }
1807 /* Out of range unconditional branch. Emit a 22bit jump. */
1808 else if (fragP->fr_subtype == SUBYPTE_UNCOND_9_22 + 1
1809 || fragP->fr_subtype == SUBYPTE_UNCOND_9_22_32 + 1)
1810 {
1811 md_number_to_chars (fragP->fr_fix + fragP->fr_literal, 0x00000780, 4);
1812 fix_new (fragP, fragP->fr_fix, 4, fragP->fr_symbol,
1813 fragP->fr_offset, 1, BFD_RELOC_V850_22_PCREL);
1814 fragP->fr_fix += 4;
1815 }
1816 /* Out of range unconditional branch. Emit a 32bit jump. */
1817 else if (fragP->fr_subtype == SUBYPTE_UNCOND_9_22_32 + 2)
1818 {
1819 md_number_to_chars (fragP->fr_fix + fragP->fr_literal, 0x02e0, 2);
1820 fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol,
1821 fragP->fr_offset + 2, 1, BFD_RELOC_V850_32_PCREL);
1822 fragP->fr_fix += 6;
1823 }
1824 /* Out of range SA conditional branch. Emit a branch to a 22bit jump. */
1825 else if (fragP->fr_subtype == SUBYPTE_SA_9_22 + 1
1826 || fragP->fr_subtype == SUBYPTE_SA_9_22_32 + 1
1827 || fragP->fr_subtype == SUBYPTE_SA_9_17_22 + 2
1828 || fragP->fr_subtype == SUBYPTE_SA_9_17_22_32 + 2)
1829 {
1830 unsigned char *buffer =
1831 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1832
1833 /* bsa .+4 */
1834 buffer[0] &= 0x8f;
1835 buffer[0] |= 0x20;
1836 buffer[1] &= 0x07;
1837
1838 /* br .+6 */
1839 md_number_to_chars ((char *) buffer + 2, 0x05b5, 2);
1840
1841 /* Now create the unconditional branch + fixup to the final
1842 target. */
1843 /* jr SYM */
1844 md_number_to_chars ((char *) buffer + 4, 0x00000780, 4);
1845 fix_new (fragP, fragP->fr_fix + 4, 4, fragP->fr_symbol,
1846 fragP->fr_offset, 1,
1847 BFD_RELOC_V850_22_PCREL);
1848 fragP->fr_fix += 8;
1849 }
1850 /* Out of range SA conditional branch. Emit a branch around a 32bit jump. */
1851 else if (fragP->fr_subtype == SUBYPTE_SA_9_22_32 + 2
1852 || fragP->fr_subtype == SUBYPTE_SA_9_17_22_32 + 3)
1853 {
1854 unsigned char *buffer =
1855 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1856
1857 /* bsa .+2 */
1858 buffer[0] &= 0x8f;
1859 buffer[0] |= 0x20;
1860 buffer[1] &= 0x07;
1861
1862 /* br .+8 */
1863 md_number_to_chars ((char *) buffer + 2, 0x05c5, 2);
1864
1865 /* Now create the unconditional branch + fixup to the final
1866 target. */
1867 /* jr SYM */
1868 md_number_to_chars ((char *) buffer + 4, 0x02e0, 2);
1869 fix_new (fragP, fragP->fr_fix + 6, 4, fragP->fr_symbol,
1870 fragP->fr_offset + 2, 1, BFD_RELOC_V850_32_PCREL);
1871
1872 fragP->fr_fix += 10;
1873 }
1874 else
1875 abort ();
1876 }
1877
1878 valueT
1879 md_section_align (asection *seg, valueT addr)
1880 {
1881 int align = bfd_section_alignment (seg);
1882 return ((addr + (1 << align) - 1) & -(1 << align));
1883 }
1884
1885 void
1886 md_begin (void)
1887 {
1888 const char *prev_name = "";
1889 const struct v850_opcode *op;
1890
1891 if (startswith (TARGET_CPU, "v850e3v5"))
1892 {
1893 if (machine == -1)
1894 machine = bfd_mach_v850e3v5;
1895
1896 if (!processor_mask)
1897 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1898 }
1899 else if (startswith (TARGET_CPU, "v850e2v4"))
1900 {
1901 if (machine == -1)
1902 machine = bfd_mach_v850e3v5;
1903
1904 if (!processor_mask)
1905 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1906 }
1907 else if (startswith (TARGET_CPU, "v850e2v3"))
1908 {
1909 if (machine == -1)
1910 machine = bfd_mach_v850e2v3;
1911
1912 if (!processor_mask)
1913 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2V3);
1914 }
1915 else if (startswith (TARGET_CPU, "v850e2"))
1916 {
1917 if (machine == -1)
1918 machine = bfd_mach_v850e2;
1919
1920 if (!processor_mask)
1921 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2);
1922 }
1923 else if (startswith (TARGET_CPU, "v850e1"))
1924 {
1925 if (machine == -1)
1926 machine = bfd_mach_v850e1;
1927
1928 if (!processor_mask)
1929 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E1);
1930 }
1931 else if (startswith (TARGET_CPU, "v850e"))
1932 {
1933 if (machine == -1)
1934 machine = bfd_mach_v850e;
1935
1936 if (!processor_mask)
1937 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E);
1938 }
1939 else if (startswith (TARGET_CPU, "v850"))
1940 {
1941 if (machine == -1)
1942 machine = 0;
1943
1944 if (!processor_mask)
1945 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850);
1946 }
1947 else
1948 /* xgettext:c-format */
1949 as_bad (_("Unable to determine default target processor from string: %s"),
1950 TARGET_CPU);
1951
1952 if (soft_float == -1)
1953 soft_float = machine < bfd_mach_v850e2v3;
1954
1955 v850_hash = str_htab_create ();
1956
1957 /* Insert unique names into hash table. The V850 instruction set
1958 has many identical opcode names that have different opcodes based
1959 on the operands. This hash table then provides a quick index to
1960 the first opcode with a particular name in the opcode table. */
1961 op = v850_opcodes;
1962 while (op->name)
1963 {
1964 if (strcmp (prev_name, op->name))
1965 {
1966 prev_name = (char *) op->name;
1967 str_hash_insert (v850_hash, op->name, op, 0);
1968 }
1969 op++;
1970 }
1971
1972 v850_seg_table[BSS_SECTION].s = bss_section;
1973 bfd_set_arch_mach (stdoutput, v850_target_arch, machine);
1974 bfd_set_private_flags (stdoutput, v850_e_flags);
1975 }
1976
1977
1978 static bfd_reloc_code_real_type
1979 handle_hi016 (const struct v850_operand *operand, const char **errmsg)
1980 {
1981 if (operand == NULL)
1982 return BFD_RELOC_HI16;
1983
1984 if (operand->default_reloc == BFD_RELOC_HI16)
1985 return BFD_RELOC_HI16;
1986
1987 if (operand->default_reloc == BFD_RELOC_HI16_S)
1988 return BFD_RELOC_HI16;
1989
1990 if (operand->default_reloc == BFD_RELOC_16)
1991 return BFD_RELOC_HI16;
1992
1993 *errmsg = _("hi0() relocation used on an instruction which does "
1994 "not support it");
1995 return BFD_RELOC_64; /* Used to indicate an error condition. */
1996 }
1997
1998 static bfd_reloc_code_real_type
1999 handle_hi16 (const struct v850_operand *operand, const char **errmsg)
2000 {
2001 if (operand == NULL)
2002 return BFD_RELOC_HI16_S;
2003
2004 if (operand->default_reloc == BFD_RELOC_HI16_S)
2005 return BFD_RELOC_HI16_S;
2006
2007 if (operand->default_reloc == BFD_RELOC_HI16)
2008 return BFD_RELOC_HI16_S;
2009
2010 if (operand->default_reloc == BFD_RELOC_16)
2011 return BFD_RELOC_HI16_S;
2012
2013 *errmsg = _("hi() relocation used on an instruction which does "
2014 "not support it");
2015 return BFD_RELOC_64; /* Used to indicate an error condition. */
2016 }
2017
2018 static bfd_reloc_code_real_type
2019 handle_lo16 (const struct v850_operand *operand, const char **errmsg)
2020 {
2021 if (operand == NULL)
2022 return BFD_RELOC_LO16;
2023
2024 switch (operand->default_reloc)
2025 {
2026 case BFD_RELOC_LO16: return BFD_RELOC_LO16;
2027 case BFD_RELOC_V850_LO16_SPLIT_OFFSET: return BFD_RELOC_V850_LO16_SPLIT_OFFSET;
2028 case BFD_RELOC_V850_16_SPLIT_OFFSET: return BFD_RELOC_V850_LO16_SPLIT_OFFSET;
2029 case BFD_RELOC_V850_16_S1: return BFD_RELOC_V850_LO16_S1;
2030 case BFD_RELOC_16: return BFD_RELOC_LO16;
2031 default:
2032 *errmsg = _("lo() relocation used on an instruction which does "
2033 "not support it");
2034 return BFD_RELOC_64; /* Used to indicate an error condition. */
2035 }
2036 }
2037
2038 static bfd_reloc_code_real_type
2039 handle_ctoff (const struct v850_operand *operand, const char **errmsg)
2040 {
2041 if (v850_target_arch == bfd_arch_v850_rh850)
2042 {
2043 *errmsg = _("ctoff() is not supported by the rh850 ABI. Use -mgcc-abi instead");
2044 return BFD_RELOC_64; /* Used to indicate an error condition. */
2045 }
2046
2047 if (operand == NULL)
2048 return BFD_RELOC_V850_CALLT_16_16_OFFSET;
2049
2050 if (operand->default_reloc == BFD_RELOC_V850_CALLT_6_7_OFFSET)
2051 return operand->default_reloc;
2052
2053 if (operand->default_reloc == BFD_RELOC_V850_16_S1)
2054 return BFD_RELOC_V850_CALLT_15_16_OFFSET;
2055
2056 if (operand->default_reloc == BFD_RELOC_16)
2057 return BFD_RELOC_V850_CALLT_16_16_OFFSET;
2058
2059 *errmsg = _("ctoff() relocation used on an instruction which does not support it");
2060 return BFD_RELOC_64; /* Used to indicate an error condition. */
2061 }
2062
2063 static bfd_reloc_code_real_type
2064 handle_sdaoff (const struct v850_operand *operand, const char **errmsg)
2065 {
2066 if (operand == NULL)
2067 return BFD_RELOC_V850_SDA_16_16_OFFSET;
2068
2069 if (operand->default_reloc == BFD_RELOC_V850_16_SPLIT_OFFSET)
2070 return BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET;
2071
2072 if (operand->default_reloc == BFD_RELOC_16)
2073 return BFD_RELOC_V850_SDA_16_16_OFFSET;
2074
2075 if (operand->default_reloc == BFD_RELOC_V850_16_S1)
2076 return BFD_RELOC_V850_SDA_15_16_OFFSET;
2077
2078 *errmsg = _("sdaoff() relocation used on an instruction which does not support it");
2079 return BFD_RELOC_64; /* Used to indicate an error condition. */
2080 }
2081
2082 static bfd_reloc_code_real_type
2083 handle_zdaoff (const struct v850_operand *operand, const char **errmsg)
2084 {
2085 if (operand == NULL)
2086 return BFD_RELOC_V850_ZDA_16_16_OFFSET;
2087
2088 if (operand->default_reloc == BFD_RELOC_V850_16_SPLIT_OFFSET)
2089 return BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET;
2090
2091 if (operand->default_reloc == BFD_RELOC_16)
2092 return BFD_RELOC_V850_ZDA_16_16_OFFSET;
2093
2094 if (operand->default_reloc == BFD_RELOC_V850_16_S1)
2095 return BFD_RELOC_V850_ZDA_15_16_OFFSET;
2096
2097 *errmsg = _("zdaoff() relocation used on an instruction which does not support it");
2098 return BFD_RELOC_64; /* Used to indicate an error condition. */
2099 }
2100
2101 static bfd_reloc_code_real_type
2102 handle_tdaoff (const struct v850_operand *operand, const char **errmsg)
2103 {
2104 if (operand == NULL)
2105 /* Data item, not an instruction. */
2106 return BFD_RELOC_V850_TDA_16_16_OFFSET;
2107
2108 switch (operand->default_reloc)
2109 {
2110 /* sld.hu, operand: D5-4. */
2111 case BFD_RELOC_V850_TDA_4_5_OFFSET:
2112 /* sld.bu, operand: D4. */
2113 case BFD_RELOC_V850_TDA_4_4_OFFSET:
2114 /* sld.w/sst.w, operand: D8_6. */
2115 case BFD_RELOC_V850_TDA_6_8_OFFSET:
2116 /* sld.h/sst.h, operand: D8_7. */
2117 case BFD_RELOC_V850_TDA_7_8_OFFSET:
2118 /* sld.b/sst.b, operand: D7. */
2119 case BFD_RELOC_V850_TDA_7_7_OFFSET:
2120 return operand->default_reloc;
2121 default:
2122 break;
2123 }
2124
2125 if (operand->default_reloc == BFD_RELOC_16 && operand->shift == 16)
2126 /* set1 & chums, operands: D16. */
2127 return BFD_RELOC_V850_TDA_16_16_OFFSET;
2128
2129 *errmsg = _("tdaoff() relocation used on an instruction which does not support it");
2130 /* Used to indicate an error condition. */
2131 return BFD_RELOC_64;
2132 }
2133
2134 /* Warning: The code in this function relies upon the definitions
2135 in the v850_operands[] array (defined in opcodes/v850-opc.c)
2136 matching the hard coded values contained herein. */
2137
2138 static bfd_reloc_code_real_type
2139 v850_reloc_prefix (const struct v850_operand *operand, const char **errmsg)
2140 {
2141 bool paren_skipped = false;
2142
2143 /* Skip leading opening parenthesis. */
2144 if (*input_line_pointer == '(')
2145 {
2146 ++input_line_pointer;
2147 paren_skipped = true;
2148 }
2149
2150 #define CHECK_(name, reloc) \
2151 if (strncmp (input_line_pointer, name "(", strlen (name) + 1) == 0) \
2152 { \
2153 input_line_pointer += strlen (name); \
2154 return reloc; \
2155 }
2156
2157 CHECK_ ("hi0", handle_hi016 (operand, errmsg));
2158 CHECK_ ("hi", handle_hi16 (operand, errmsg));
2159 CHECK_ ("lo", handle_lo16 (operand, errmsg));
2160 CHECK_ ("sdaoff", handle_sdaoff (operand, errmsg));
2161 CHECK_ ("zdaoff", handle_zdaoff (operand, errmsg));
2162 CHECK_ ("tdaoff", handle_tdaoff (operand, errmsg));
2163 CHECK_ ("hilo", BFD_RELOC_32);
2164 CHECK_ ("lo23", BFD_RELOC_V850_23);
2165 CHECK_ ("ctoff", handle_ctoff (operand, errmsg));
2166
2167 /* Restore skipped parenthesis. */
2168 if (paren_skipped)
2169 --input_line_pointer;
2170
2171 return BFD_RELOC_NONE;
2172 }
2173
2174 /* Insert an operand value into an instruction. */
2175
2176 static unsigned long
2177 v850_insert_operand (unsigned long insn,
2178 const struct v850_operand *operand,
2179 offsetT val,
2180 const char **errmsg)
2181 {
2182 if (operand->insert)
2183 {
2184 const char *message = NULL;
2185
2186 insn = operand->insert (insn, val, &message);
2187 if (message != NULL)
2188 {
2189 if ((operand->flags & V850_OPERAND_SIGNED)
2190 && ! warn_signed_overflows
2191 && v850_msg_is_out_of_range (message))
2192 {
2193 /* Skip warning... */
2194 }
2195 else if ((operand->flags & V850_OPERAND_SIGNED) == 0
2196 && ! warn_unsigned_overflows
2197 && v850_msg_is_out_of_range (message))
2198 {
2199 /* Skip warning... */
2200 }
2201 else
2202 {
2203 if (errmsg != NULL)
2204 *errmsg = message;
2205 }
2206 }
2207 }
2208 else if (operand->bits == -1
2209 || operand->flags & V850E_IMMEDIATE16
2210 || operand->flags & V850E_IMMEDIATE23
2211 || operand->flags & V850E_IMMEDIATE32)
2212 {
2213 abort ();
2214 }
2215 else
2216 {
2217 if (operand->bits < 32)
2218 {
2219 long min, max;
2220
2221 if ((operand->flags & V850_OPERAND_SIGNED) != 0)
2222 {
2223 if (! warn_signed_overflows)
2224 max = (1 << operand->bits) - 1;
2225 else
2226 max = (1 << (operand->bits - 1)) - 1;
2227
2228 min = -(1 << (operand->bits - 1));
2229 }
2230 else
2231 {
2232 max = (1 << operand->bits) - 1;
2233
2234 if (! warn_unsigned_overflows)
2235 min = -(1 << (operand->bits - 1));
2236 else
2237 min = 0;
2238 }
2239
2240 /* Some people write constants with the sign extension done by
2241 hand but only up to 32 bits. This shouldn't really be valid,
2242 but, to permit this code to assemble on a 64-bit host, we
2243 sign extend the 32-bit value to 64 bits if so doing makes the
2244 value valid. */
2245 if (val > max
2246 && (offsetT) (val - 0x80000000 - 0x80000000) >= min
2247 && (offsetT) (val - 0x80000000 - 0x80000000) <= max)
2248 val = val - 0x80000000 - 0x80000000;
2249
2250 /* Similarly, people write expressions like ~(1<<15), and expect
2251 this to be OK for a 32-bit unsigned value. */
2252 else if (val < min
2253 && (offsetT) (val + 0x80000000 + 0x80000000) >= min
2254 && (offsetT) (val + 0x80000000 + 0x80000000) <= max)
2255 val = val + 0x80000000 + 0x80000000;
2256
2257 else if (val < (offsetT) min || val > (offsetT) max)
2258 {
2259 static char buf [128];
2260
2261 /* Restore min and mix to expected values for decimal ranges. */
2262 if ((operand->flags & V850_OPERAND_SIGNED)
2263 && ! warn_signed_overflows)
2264 max = (1 << (operand->bits - 1)) - 1;
2265
2266 if (! (operand->flags & V850_OPERAND_SIGNED)
2267 && ! warn_unsigned_overflows)
2268 min = 0;
2269
2270 sprintf (buf, _("operand out of range (%d is not between %d and %d)"),
2271 (int) val, (int) min, (int) max);
2272 *errmsg = buf;
2273 }
2274
2275 insn |= (((long) val & ((1 << operand->bits) - 1)) << operand->shift);
2276 }
2277 else
2278 {
2279 insn |= (((long) val) << operand->shift);
2280 }
2281 }
2282
2283 return insn;
2284 }
2285 \f
2286 static char copy_of_instruction[128];
2287
2288 void
2289 md_assemble (char *str)
2290 {
2291 char *s;
2292 char *start_of_operands;
2293 struct v850_opcode *opcode;
2294 struct v850_opcode *next_opcode;
2295 const unsigned char *opindex_ptr;
2296 int next_opindex;
2297 int relaxable = 0;
2298 unsigned long insn = 0;
2299 unsigned long insn_size;
2300 char *f = NULL;
2301 int i;
2302 int match;
2303 bool extra_data_after_insn = false;
2304 unsigned extra_data_len = 0;
2305 unsigned long extra_data = 0;
2306 char *saved_input_line_pointer;
2307 char most_match_errmsg[1024];
2308 int most_match_count = -1;
2309
2310 strncpy (copy_of_instruction, str, sizeof (copy_of_instruction) - 1);
2311 most_match_errmsg[0] = 0;
2312
2313 /* Get the opcode. */
2314 for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
2315 continue;
2316
2317 if (*s != '\0')
2318 *s++ = '\0';
2319
2320 /* Find the first opcode with the proper name. */
2321 opcode = (struct v850_opcode *) str_hash_find (v850_hash, str);
2322 if (opcode == NULL)
2323 {
2324 /* xgettext:c-format */
2325 as_bad (_("Unrecognized opcode: `%s'"), str);
2326 ignore_rest_of_line ();
2327 return;
2328 }
2329
2330 str = s;
2331 while (ISSPACE (*str))
2332 ++str;
2333
2334 start_of_operands = str;
2335
2336 saved_input_line_pointer = input_line_pointer;
2337
2338 for (;;)
2339 {
2340 const char *errmsg = NULL;
2341 const char *warningmsg = NULL;
2342
2343 match = 0;
2344 opindex_ptr = opcode->operands;
2345
2346 if (no_stld23)
2347 {
2348 if ((startswith (opcode->name, "st.")
2349 && v850_operands[opcode->operands[1]].bits == 23)
2350 || (startswith (opcode->name, "ld.")
2351 && v850_operands[opcode->operands[0]].bits == 23))
2352 {
2353 errmsg = _("st/ld offset 23 instruction was disabled .");
2354 goto error;
2355 }
2356 }
2357
2358 if ((opcode->processors & processor_mask & PROCESSOR_MASK) == 0
2359 || (((opcode->processors & ~PROCESSOR_MASK) != 0)
2360 && ((opcode->processors & processor_mask & ~PROCESSOR_MASK) == 0)))
2361 {
2362 errmsg = _("Target processor does not support this instruction.");
2363 goto error;
2364 }
2365
2366 relaxable = 0;
2367 fc = 0;
2368 next_opindex = 0;
2369 insn = opcode->opcode;
2370 extra_data_len = 0;
2371 extra_data_after_insn = false;
2372
2373 input_line_pointer = str = start_of_operands;
2374
2375 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2376 {
2377 const struct v850_operand *operand;
2378 char *hold;
2379 expressionS ex;
2380 bfd_reloc_code_real_type reloc;
2381
2382 if (next_opindex == 0)
2383 operand = &v850_operands[*opindex_ptr];
2384 else
2385 {
2386 operand = &v850_operands[next_opindex];
2387 next_opindex = 0;
2388 }
2389
2390 errmsg = NULL;
2391
2392 while (*str == ' ')
2393 ++str;
2394
2395 if (operand->flags & V850_OPERAND_BANG
2396 && *str == '!')
2397 ++str;
2398 else if (operand->flags & V850_OPERAND_PERCENT
2399 && *str == '%')
2400 ++str;
2401
2402 if (*str == ',' || *str == '[' || *str == ']')
2403 ++str;
2404
2405 while (*str == ' ')
2406 ++str;
2407
2408 if ( (strcmp (opcode->name, "pushsp") == 0
2409 || strcmp (opcode->name, "popsp") == 0
2410 || strcmp (opcode->name, "dbpush") == 0)
2411 && (*str == '-'))
2412 ++str;
2413
2414 if (operand->flags & V850_OPERAND_RELAX)
2415 relaxable = 1;
2416
2417 /* Gather the operand. */
2418 hold = input_line_pointer;
2419 input_line_pointer = str;
2420
2421 /* lo(), hi(), hi0(), etc... */
2422 if ((reloc = v850_reloc_prefix (operand, &errmsg)) != BFD_RELOC_NONE)
2423 {
2424 /* This is a fake reloc, used to indicate an error condition. */
2425 if (reloc == BFD_RELOC_64)
2426 {
2427 /* match = 1; */
2428 goto error;
2429 }
2430
2431 expression (&ex);
2432
2433 if (ex.X_op == O_constant)
2434 {
2435 switch (reloc)
2436 {
2437 case BFD_RELOC_V850_ZDA_16_16_OFFSET:
2438 case BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET:
2439 case BFD_RELOC_V850_ZDA_15_16_OFFSET:
2440 /* To cope with "not1 7, zdaoff(0xfffff006)[r0]"
2441 and the like. */
2442 /* Fall through. */
2443
2444 case BFD_RELOC_LO16:
2445 case BFD_RELOC_V850_LO16_S1:
2446 case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
2447 {
2448 /* Truncate, then sign extend the value. */
2449 ex.X_add_number = SEXT16 (ex.X_add_number);
2450 break;
2451 }
2452
2453 case BFD_RELOC_HI16:
2454 {
2455 /* Truncate, then sign extend the value. */
2456 ex.X_add_number = SEXT16 (ex.X_add_number >> 16);
2457 break;
2458 }
2459
2460 case BFD_RELOC_HI16_S:
2461 {
2462 /* Truncate, then sign extend the value. */
2463 int temp = (ex.X_add_number >> 16) & 0xffff;
2464
2465 temp += (ex.X_add_number >> 15) & 1;
2466
2467 ex.X_add_number = SEXT16 (temp);
2468 break;
2469 }
2470
2471 case BFD_RELOC_V850_23:
2472 if ((operand->flags & V850E_IMMEDIATE23) == 0)
2473 {
2474 errmsg = _("immediate operand is too large");
2475 goto error;
2476 }
2477 break;
2478
2479 case BFD_RELOC_32:
2480 case BFD_RELOC_V850_32_ABS:
2481 case BFD_RELOC_V850_32_PCREL:
2482 if ((operand->flags & V850E_IMMEDIATE32) == 0)
2483 {
2484 errmsg = _("immediate operand is too large");
2485 goto error;
2486 }
2487
2488 break;
2489
2490 default:
2491 as_bad (_("AAARG -> unhandled constant reloc: %d"), reloc);
2492 break;
2493 }
2494
2495 if (operand->flags & V850E_IMMEDIATE32)
2496 {
2497 extra_data_after_insn = true;
2498 extra_data_len = 4;
2499 extra_data = 0;
2500 }
2501 else if (operand->flags & V850E_IMMEDIATE23)
2502 {
2503 if (reloc != BFD_RELOC_V850_23)
2504 {
2505 errmsg = _("immediate operand is too large");
2506 goto error;
2507 }
2508 extra_data_after_insn = true;
2509 extra_data_len = 2;
2510 extra_data = 0;
2511 }
2512 else if ((operand->flags & V850E_IMMEDIATE16)
2513 || (operand->flags & V850E_IMMEDIATE16HI))
2514 {
2515 if (operand->flags & V850E_IMMEDIATE16HI
2516 && reloc != BFD_RELOC_HI16
2517 && reloc != BFD_RELOC_HI16_S)
2518 {
2519 errmsg = _("immediate operand is too large");
2520 goto error;
2521 }
2522 else if (operand->flags & V850E_IMMEDIATE16
2523 && reloc != BFD_RELOC_LO16)
2524 {
2525 errmsg = _("immediate operand is too large");
2526 goto error;
2527 }
2528
2529 extra_data_after_insn = true;
2530 extra_data_len = 2;
2531 extra_data = 0;
2532 }
2533
2534 if (fc > MAX_INSN_FIXUPS)
2535 as_fatal (_("too many fixups"));
2536
2537 fixups[fc].exp = ex;
2538 fixups[fc].opindex = *opindex_ptr;
2539 fixups[fc].reloc = reloc;
2540 fc++;
2541 }
2542 else /* ex.X_op != O_constant. */
2543 {
2544 if ((reloc == BFD_RELOC_32
2545 || reloc == BFD_RELOC_V850_32_ABS
2546 || reloc == BFD_RELOC_V850_32_PCREL)
2547 && operand->bits < 32)
2548 {
2549 errmsg = _("immediate operand is too large");
2550 goto error;
2551 }
2552 else if (reloc == BFD_RELOC_V850_23
2553 && (operand->flags & V850E_IMMEDIATE23) == 0)
2554 {
2555 errmsg = _("immediate operand is too large");
2556 goto error;
2557 }
2558 else if ((reloc == BFD_RELOC_HI16
2559 || reloc == BFD_RELOC_HI16_S)
2560 && operand->bits < 16)
2561 {
2562 errmsg = _("immediate operand is too large");
2563 goto error;
2564 }
2565
2566 if (operand->flags & V850E_IMMEDIATE32)
2567 {
2568 extra_data_after_insn = true;
2569 extra_data_len = 4;
2570 extra_data = 0;
2571 }
2572 else if (operand->flags & V850E_IMMEDIATE23)
2573 {
2574 if (reloc != BFD_RELOC_V850_23)
2575 {
2576 errmsg = _("immediate operand is too large");
2577 goto error;
2578 }
2579 extra_data_after_insn = true;
2580 extra_data_len = 2;
2581 extra_data = 0;
2582 }
2583 else if ((operand->flags & V850E_IMMEDIATE16)
2584 || (operand->flags & V850E_IMMEDIATE16HI))
2585 {
2586 if (operand->flags & V850E_IMMEDIATE16HI
2587 && reloc != BFD_RELOC_HI16
2588 && reloc != BFD_RELOC_HI16_S)
2589 {
2590 errmsg = _("immediate operand is too large");
2591 goto error;
2592 }
2593 else if (operand->flags & V850E_IMMEDIATE16
2594 && reloc != BFD_RELOC_LO16)
2595 {
2596 errmsg = _("immediate operand is too large");
2597 goto error;
2598 }
2599
2600 extra_data_after_insn = true;
2601 extra_data_len = 2;
2602 extra_data = 0;
2603 }
2604
2605 if (fc > MAX_INSN_FIXUPS)
2606 as_fatal (_("too many fixups"));
2607
2608 fixups[fc].exp = ex;
2609 fixups[fc].opindex = *opindex_ptr;
2610 fixups[fc].reloc = reloc;
2611 fc++;
2612 }
2613 }
2614 else if (operand->flags & V850E_IMMEDIATE16
2615 || operand->flags & V850E_IMMEDIATE16HI)
2616 {
2617 expression (&ex);
2618
2619 switch (ex.X_op)
2620 {
2621 case O_constant:
2622 if (operand->flags & V850E_IMMEDIATE16HI)
2623 {
2624 if (ex.X_add_number & 0xffff)
2625 {
2626 errmsg = _("constant too big to fit into instruction");
2627 goto error;
2628 }
2629
2630 ex.X_add_number >>= 16;
2631 }
2632 if (operand->flags & V850E_IMMEDIATE16)
2633 {
2634 if ((ex.X_add_number & 0xffff8000)
2635 && ((ex.X_add_number & 0xffff8000) != 0xffff8000))
2636 {
2637 errmsg = _("constant too big to fit into instruction");
2638 goto error;
2639 }
2640 }
2641 break;
2642
2643 case O_illegal:
2644 errmsg = _("illegal operand");
2645 goto error;
2646
2647 case O_absent:
2648 errmsg = _("missing operand");
2649 goto error;
2650
2651 default:
2652 if (fc >= MAX_INSN_FIXUPS)
2653 as_fatal (_("too many fixups"));
2654
2655 fixups[fc].exp = ex;
2656 fixups[fc].opindex = *opindex_ptr;
2657 fixups[fc].reloc = operand->default_reloc;
2658 ++fc;
2659
2660 ex.X_add_number = 0;
2661 break;
2662 }
2663
2664 extra_data_after_insn = true;
2665 extra_data_len = 2;
2666 extra_data = ex.X_add_number;
2667 }
2668 else if (operand->flags & V850E_IMMEDIATE23)
2669 {
2670 expression (&ex);
2671
2672 switch (ex.X_op)
2673 {
2674 case O_constant:
2675 break;
2676
2677 case O_illegal:
2678 errmsg = _("illegal operand");
2679 goto error;
2680
2681 case O_absent:
2682 errmsg = _("missing operand");
2683 goto error;
2684
2685 default:
2686 break;
2687 }
2688
2689 if (fc >= MAX_INSN_FIXUPS)
2690 as_fatal (_("too many fixups"));
2691
2692 fixups[fc].exp = ex;
2693 fixups[fc].opindex = *opindex_ptr;
2694 fixups[fc].reloc = operand->default_reloc;
2695 ++fc;
2696
2697 extra_data_after_insn = true;
2698 extra_data_len = 2;
2699 extra_data = 0;
2700 }
2701 else if (operand->flags & V850E_IMMEDIATE32)
2702 {
2703 expression (&ex);
2704
2705 switch (ex.X_op)
2706 {
2707 case O_constant:
2708 if ((operand->default_reloc == BFD_RELOC_V850_32_ABS
2709 || operand->default_reloc == BFD_RELOC_V850_32_PCREL)
2710 && (ex.X_add_number & 1))
2711 {
2712 errmsg = _("odd number cannot be used here");
2713 goto error;
2714 }
2715 break;
2716
2717 case O_illegal:
2718 errmsg = _("illegal operand");
2719 goto error;
2720
2721 case O_absent:
2722 errmsg = _("missing operand");
2723 goto error;
2724
2725 default:
2726 if (fc >= MAX_INSN_FIXUPS)
2727 as_fatal (_("too many fixups"));
2728
2729 fixups[fc].exp = ex;
2730 fixups[fc].opindex = *opindex_ptr;
2731 fixups[fc].reloc = operand->default_reloc;
2732 ++fc;
2733
2734 ex.X_add_number = 0;
2735 break;
2736 }
2737
2738 extra_data_after_insn = true;
2739 extra_data_len = 4;
2740 extra_data = ex.X_add_number;
2741 }
2742 else if (operand->flags & V850E_OPERAND_REG_LIST)
2743 {
2744 errmsg = parse_register_list (&insn, operand);
2745
2746 if (errmsg)
2747 goto error;
2748 }
2749 else
2750 {
2751 errmsg = NULL;
2752
2753 if ((operand->flags & V850_OPERAND_REG) != 0)
2754 {
2755 if (!register_name (&ex))
2756 {
2757 errmsg = _("invalid register name");
2758 }
2759
2760 if ((operand->flags & V850_NOT_R0)
2761 && ex.X_add_number == 0)
2762 {
2763 errmsg = _("register r0 cannot be used here");
2764 }
2765
2766 if (operand->flags & V850_REG_EVEN)
2767 {
2768 if (ex.X_add_number % 2)
2769 errmsg = _("odd register cannot be used here");
2770 ex.X_add_number = ex.X_add_number / 2;
2771 }
2772
2773 }
2774 else if ((operand->flags & V850_OPERAND_SRG) != 0)
2775 {
2776 if (!system_register_name (&ex, true))
2777 {
2778 errmsg = _("invalid system register name");
2779 }
2780 }
2781 else if ((operand->flags & V850_OPERAND_EP) != 0)
2782 {
2783 char *start = input_line_pointer;
2784 char *name;
2785 char c = get_symbol_name (&name);
2786
2787 if (strcmp (name, "ep") != 0 && strcmp (name, "r30") != 0)
2788 {
2789 /* Put things back the way we found them. */
2790 (void) restore_line_pointer (c);
2791 input_line_pointer = start;
2792 errmsg = _("expected EP register");
2793 goto error;
2794 }
2795
2796 (void) restore_line_pointer (c);
2797 str = input_line_pointer;
2798 input_line_pointer = hold;
2799
2800 while (*str == ' ' || *str == ','
2801 || *str == '[' || *str == ']')
2802 ++str;
2803 continue;
2804 }
2805 else if ((operand->flags & V850_OPERAND_CC) != 0)
2806 {
2807 if (!cc_name (&ex, true))
2808 {
2809 errmsg = _("invalid condition code name");
2810 }
2811
2812 if ((operand->flags & V850_NOT_SA)
2813 && ex.X_add_number == COND_SA_NUM)
2814 {
2815 errmsg = _("condition sa cannot be used here");
2816 }
2817 }
2818 else if ((operand->flags & V850_OPERAND_FLOAT_CC) != 0)
2819 {
2820 if (!float_cc_name (&ex, true))
2821 {
2822 errmsg = _("invalid condition code name");
2823 }
2824 }
2825 else if ((operand->flags & V850_OPERAND_CACHEOP) != 0)
2826 {
2827 if (!cacheop_name (&ex, true))
2828 errmsg = _("invalid cache operation name");
2829 }
2830 else if ((operand->flags & V850_OPERAND_PREFOP) != 0)
2831 {
2832 if (!prefop_name (&ex, true))
2833 errmsg = _("invalid pref operation name");
2834 }
2835 else if ((operand->flags & V850_OPERAND_VREG) != 0)
2836 {
2837 if (!vector_register_name (&ex))
2838 errmsg = _("invalid vector register name");
2839 }
2840 else if ((register_name (&ex)
2841 && (operand->flags & V850_OPERAND_REG) == 0))
2842 {
2843 char *name;
2844 char c;
2845 int exists = 0;
2846
2847 /* It is possible that an alias has been defined that
2848 matches a register name. For example the code may
2849 include a ".set ZERO, 0" directive, which matches
2850 the register name "zero". Attempt to reparse the
2851 field as an expression, and only complain if we
2852 cannot generate a constant. */
2853
2854 input_line_pointer = str;
2855
2856 c = get_symbol_name (&name);
2857
2858 if (symbol_find (name) != NULL)
2859 exists = 1;
2860
2861 (void) restore_line_pointer (c);
2862 input_line_pointer = str;
2863
2864 expression (&ex);
2865
2866 if (ex.X_op != O_constant)
2867 {
2868 /* If this register is actually occurring too early on
2869 the parsing of the instruction, (because another
2870 field is missing) then report this. */
2871 if (opindex_ptr[1] != 0
2872 && ((v850_operands[opindex_ptr[1]].flags
2873 & V850_OPERAND_REG)
2874 ||(v850_operands[opindex_ptr[1]].flags
2875 & V850_OPERAND_VREG)))
2876 errmsg = _("syntax error: value is missing before the register name");
2877 else
2878 errmsg = _("syntax error: register not expected");
2879
2880 /* If we created a symbol in the process of this
2881 test then delete it now, so that it will not
2882 be output with the real symbols... */
2883 if (exists == 0
2884 && ex.X_op == O_symbol)
2885 symbol_remove (ex.X_add_symbol,
2886 &symbol_rootP, &symbol_lastP);
2887 }
2888 }
2889 else if (system_register_name (&ex, false)
2890 && (operand->flags & V850_OPERAND_SRG) == 0)
2891 {
2892 errmsg = _("syntax error: system register not expected");
2893 }
2894 else if (cc_name (&ex, false)
2895 && (operand->flags & V850_OPERAND_CC) == 0)
2896 {
2897 errmsg = _("syntax error: condition code not expected");
2898 }
2899 else if (float_cc_name (&ex, false)
2900 && (operand->flags & V850_OPERAND_FLOAT_CC) == 0)
2901 {
2902 errmsg = _("syntax error: condition code not expected");
2903 }
2904 else if (vector_register_name (&ex)
2905 && (operand->flags & V850_OPERAND_VREG) == 0)
2906 {
2907 errmsg = _("syntax error: vector register not expected");
2908 }
2909 else
2910 {
2911 expression (&ex);
2912 resolve_register (&ex);
2913
2914 if ((operand->flags & V850_NOT_IMM0)
2915 && ex.X_op == O_constant
2916 && ex.X_add_number == 0)
2917 {
2918 errmsg = _("immediate 0 cannot be used here");
2919 }
2920
2921 /* Special case:
2922 If we are assembling a MOV/JARL/JR instruction and the immediate
2923 value does not fit into the bits available then create a
2924 fake error so that the next MOV/JARL/JR instruction will be
2925 selected. This one has a 32 bit immediate field. */
2926
2927 if ((strcmp (opcode->name, "mov") == 0
2928 || strcmp (opcode->name, "jarl") == 0
2929 || strcmp (opcode->name, "jr") == 0)
2930 && ex.X_op == O_constant
2931 && (ex.X_add_number < (-(1 << (operand->bits - 1)))
2932 || ex.X_add_number > ((1 << (operand->bits - 1)) - 1)))
2933 {
2934 errmsg = _("immediate operand is too large");
2935 }
2936
2937 if ((strcmp (opcode->name, "jarl") == 0
2938 || strcmp (opcode->name, "jr") == 0)
2939 && ex.X_op != O_constant
2940 && operand->bits != default_disp_size)
2941 {
2942 errmsg = _("immediate operand is not match");
2943 }
2944
2945 /* Special case2 :
2946 If we are assembling a ld/st instruction and the immediate
2947 value does not fit into the bits available then create a
2948 fake error so that the next ld/st instruction will be
2949 selected. */
2950 if ( ( (startswith (opcode->name, "st."))
2951 || (startswith (opcode->name, "ld.")))
2952 && ex.X_op == O_constant
2953 && (ex.X_add_number < (-(1 << (operand->bits - 1)))
2954 || ex.X_add_number > ((1 << (operand->bits - 1)) - 1)))
2955 errmsg = _("displacement is too large");
2956 }
2957
2958 if (errmsg)
2959 goto error;
2960
2961 switch (ex.X_op)
2962 {
2963 case O_illegal:
2964 errmsg = _("illegal operand");
2965 goto error;
2966 case O_absent:
2967 errmsg = _("missing operand");
2968 goto error;
2969 case O_register:
2970 if ((operand->flags
2971 & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_VREG)) == 0)
2972 {
2973 errmsg = _("invalid operand");
2974 goto error;
2975 }
2976
2977 insn = v850_insert_operand (insn, operand,
2978 ex.X_add_number,
2979 &warningmsg);
2980
2981 break;
2982
2983 case O_constant:
2984 insn = v850_insert_operand (insn, operand, ex.X_add_number,
2985 &warningmsg);
2986 break;
2987
2988 default:
2989 /* We need to generate a fixup for this expression. */
2990 if (fc >= MAX_INSN_FIXUPS)
2991 as_fatal (_("too many fixups"));
2992
2993 fixups[fc].exp = ex;
2994 fixups[fc].opindex = *opindex_ptr;
2995 fixups[fc].reloc = BFD_RELOC_NONE;
2996 ++fc;
2997 break;
2998 }
2999 }
3000
3001 str = input_line_pointer;
3002 input_line_pointer = hold;
3003
3004 while (*str == ' ' || *str == ',' || *str == '[' || *str == ']'
3005 || *str == ')')
3006 ++str;
3007 }
3008
3009 while (ISSPACE (*str))
3010 ++str;
3011
3012 if (*str == '\0')
3013 match = 1;
3014
3015 error:
3016 if (match == 0)
3017 {
3018 if ((opindex_ptr - opcode->operands) >= most_match_count)
3019 {
3020 most_match_count = opindex_ptr - opcode->operands;
3021 if (errmsg != NULL)
3022 strncpy (most_match_errmsg, errmsg, sizeof (most_match_errmsg)-1);
3023 }
3024
3025 next_opcode = opcode + 1;
3026 if (next_opcode->name != NULL
3027 && strcmp (next_opcode->name, opcode->name) == 0)
3028 {
3029 opcode = next_opcode;
3030
3031 /* Skip versions that are not supported by the target
3032 processor. */
3033 if ((opcode->processors & processor_mask) == 0)
3034 goto error;
3035
3036 continue;
3037 }
3038
3039 if (most_match_errmsg[0] == 0)
3040 /* xgettext:c-format. */
3041 as_bad (_("junk at end of line: `%s'"), str);
3042 else
3043 as_bad ("%s: %s", copy_of_instruction, most_match_errmsg);
3044
3045 if (*input_line_pointer == ']')
3046 ++input_line_pointer;
3047
3048 ignore_rest_of_line ();
3049 input_line_pointer = saved_input_line_pointer;
3050 return;
3051 }
3052
3053 if (warningmsg != NULL)
3054 as_warn ("%s", warningmsg);
3055 break;
3056 }
3057
3058 input_line_pointer = str;
3059
3060 /* Tie dwarf2 debug info to the address at the start of the insn.
3061 We can't do this after the insn has been output as the current
3062 frag may have been closed off. eg. by frag_var. */
3063 dwarf2_emit_insn (0);
3064
3065 /* Write out the instruction. */
3066 if (relaxable && fc > 0)
3067 {
3068 insn_size = 2;
3069 fc = 0;
3070
3071 if (strcmp (opcode->name, "loop") == 0)
3072 {
3073 if (((processor_mask & PROCESSOR_V850E3V5_UP) == 0) || default_disp_size == 22)
3074 {
3075 insn_size = 4;
3076 f = frag_var (rs_machine_dependent, 6, 2, SUBYPTE_LOOP_16_22,
3077 fixups[0].exp.X_add_symbol,
3078 fixups[0].exp.X_add_number,
3079 (char *)(size_t) fixups[0].opindex);
3080 md_number_to_chars (f, insn, insn_size);
3081 md_number_to_chars (f+4, 0, 4);
3082 }
3083 else
3084 {
3085 as_bad (_("loop: 32-bit displacement not supported"));
3086 }
3087 }
3088 else if (strcmp (opcode->name, "br") == 0
3089 || strcmp (opcode->name, "jbr") == 0)
3090 {
3091 if ((processor_mask & PROCESSOR_V850E2_UP) == 0 || default_disp_size == 22)
3092 {
3093 f = frag_var (rs_machine_dependent, 4, 2, SUBYPTE_UNCOND_9_22,
3094 fixups[0].exp.X_add_symbol,
3095 fixups[0].exp.X_add_number,
3096 (char *)(size_t) fixups[0].opindex);
3097 md_number_to_chars (f, insn, insn_size);
3098 md_number_to_chars (f + 2, 0, 2);
3099 }
3100 else
3101 {
3102 f = frag_var (rs_machine_dependent, 6, 4, SUBYPTE_UNCOND_9_22_32,
3103 fixups[0].exp.X_add_symbol,
3104 fixups[0].exp.X_add_number,
3105 (char *)(size_t) fixups[0].opindex);
3106 md_number_to_chars (f, insn, insn_size);
3107 md_number_to_chars (f + 2, 0, 4);
3108 }
3109 }
3110 else /* b<cond>, j<cond>. */
3111 {
3112 if (default_disp_size == 22
3113 || (processor_mask & PROCESSOR_V850E2_UP) == 0)
3114 {
3115 if (processor_mask & PROCESSOR_V850E2V3_UP && !no_bcond17)
3116 {
3117 if (strcmp (opcode->name, "bsa") == 0)
3118 {
3119 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_SA_9_17_22,
3120 fixups[0].exp.X_add_symbol,
3121 fixups[0].exp.X_add_number,
3122 (char *)(size_t) fixups[0].opindex);
3123 md_number_to_chars (f, insn, insn_size);
3124 md_number_to_chars (f + 2, 0, 6);
3125 }
3126 else
3127 {
3128 f = frag_var (rs_machine_dependent, 6, 4, SUBYPTE_COND_9_17_22,
3129 fixups[0].exp.X_add_symbol,
3130 fixups[0].exp.X_add_number,
3131 (char *)(size_t) fixups[0].opindex);
3132 md_number_to_chars (f, insn, insn_size);
3133 md_number_to_chars (f + 2, 0, 4);
3134 }
3135 }
3136 else
3137 {
3138 if (strcmp (opcode->name, "bsa") == 0)
3139 {
3140 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_SA_9_22,
3141 fixups[0].exp.X_add_symbol,
3142 fixups[0].exp.X_add_number,
3143 (char *)(size_t) fixups[0].opindex);
3144 md_number_to_chars (f, insn, insn_size);
3145 md_number_to_chars (f + 2, 0, 6);
3146 }
3147 else
3148 {
3149 f = frag_var (rs_machine_dependent, 6, 4, SUBYPTE_COND_9_22,
3150 fixups[0].exp.X_add_symbol,
3151 fixups[0].exp.X_add_number,
3152 (char *)(size_t) fixups[0].opindex);
3153 md_number_to_chars (f, insn, insn_size);
3154 md_number_to_chars (f + 2, 0, 4);
3155 }
3156 }
3157 }
3158 else
3159 {
3160 if (processor_mask & PROCESSOR_V850E2V3_UP && !no_bcond17)
3161 {
3162 if (strcmp (opcode->name, "bsa") == 0)
3163 {
3164 f = frag_var (rs_machine_dependent, 10, 8, SUBYPTE_SA_9_17_22_32,
3165 fixups[0].exp.X_add_symbol,
3166 fixups[0].exp.X_add_number,
3167 (char *)(size_t) fixups[0].opindex);
3168 md_number_to_chars (f, insn, insn_size);
3169 md_number_to_chars (f + 2, 0, 8);
3170 }
3171 else
3172 {
3173 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_COND_9_17_22_32,
3174 fixups[0].exp.X_add_symbol,
3175 fixups[0].exp.X_add_number,
3176 (char *)(size_t) fixups[0].opindex);
3177 md_number_to_chars (f, insn, insn_size);
3178 md_number_to_chars (f + 2, 0, 6);
3179 }
3180 }
3181 else
3182 {
3183 if (strcmp (opcode->name, "bsa") == 0)
3184 {
3185 f = frag_var (rs_machine_dependent, 10, 8, SUBYPTE_SA_9_22_32,
3186 fixups[0].exp.X_add_symbol,
3187 fixups[0].exp.X_add_number,
3188 (char *)(size_t) fixups[0].opindex);
3189 md_number_to_chars (f, insn, insn_size);
3190 md_number_to_chars (f + 2, 0, 8);
3191 }
3192 else
3193 {
3194 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_COND_9_22_32,
3195 fixups[0].exp.X_add_symbol,
3196 fixups[0].exp.X_add_number,
3197 (char *)(size_t) fixups[0].opindex);
3198 md_number_to_chars (f, insn, insn_size);
3199 md_number_to_chars (f + 2, 0, 6);
3200 }
3201 }
3202 }
3203 }
3204 }
3205 else
3206 {
3207 /* Four byte insns have an opcode with the two high bits on. */
3208 if ((insn & 0x0600) == 0x0600)
3209 insn_size = 4;
3210 else
3211 insn_size = 2;
3212
3213 /* Special case: 32 bit MOV. */
3214 if ((insn & 0xffe0) == 0x0620)
3215 insn_size = 2;
3216
3217 /* Special case: 32 bit JARL,JMP,JR. */
3218 if ((insn & 0x1ffe0) == 0x2e0 /* JARL. */
3219 || (insn & 0x1ffe0) == 0x6e0 /* JMP. */
3220 || (insn & 0x1ffff) == 0x2e0) /* JR. */
3221 insn_size = 2;
3222
3223 if (obstack_room (& frchain_now->frch_obstack) < (insn_size + extra_data_len))
3224 {
3225 frag_wane (frag_now);
3226 frag_new (0);
3227 }
3228
3229 f = frag_more (insn_size);
3230 md_number_to_chars (f, insn, insn_size);
3231
3232 if (extra_data_after_insn)
3233 {
3234 f = frag_more (extra_data_len);
3235 md_number_to_chars (f, extra_data, extra_data_len);
3236
3237 extra_data_after_insn = false;
3238 }
3239 }
3240
3241 /* Create any fixups. At this point we do not use a
3242 bfd_reloc_code_real_type, but instead just use the
3243 BFD_RELOC_UNUSED plus the operand index. This lets us easily
3244 handle fixups for any operand type, although that is admittedly
3245 not a very exciting feature. We pick a BFD reloc type in
3246 md_apply_fix. */
3247 for (i = 0; i < fc; i++)
3248 {
3249 const struct v850_operand *operand;
3250 bfd_reloc_code_real_type reloc;
3251
3252 operand = &v850_operands[fixups[i].opindex];
3253
3254 reloc = fixups[i].reloc;
3255
3256 if (reloc != BFD_RELOC_NONE)
3257 {
3258 reloc_howto_type *reloc_howto =
3259 bfd_reloc_type_lookup (stdoutput, reloc);
3260 int size;
3261 int address;
3262 fixS *fixP;
3263
3264 if (!reloc_howto)
3265 abort ();
3266
3267 size = bfd_get_reloc_size (reloc_howto);
3268
3269 /* XXX This will abort on an R_V850_8 reloc -
3270 is this reloc actually used? */
3271 if (size != 2 && size != 4)
3272 abort ();
3273
3274 if (extra_data_len == 0)
3275 {
3276 address = (f - frag_now->fr_literal) + insn_size - size;
3277 }
3278 else
3279 {
3280 address = (f - frag_now->fr_literal) + extra_data_len - size;
3281 }
3282
3283 if ((operand->flags & V850E_IMMEDIATE32) && (operand->flags & V850_PCREL))
3284 {
3285 fixups[i].exp.X_add_number += 2;
3286 }
3287 else if (operand->default_reloc == BFD_RELOC_V850_16_PCREL)
3288 {
3289 fixups[i].exp.X_add_number += 2;
3290 address += 2;
3291 }
3292
3293 /* fprintf (stderr, "0x%x %d %ld\n", address, size, fixups[i].exp.X_add_number); */
3294 fixP = fix_new_exp (frag_now, address, size,
3295 &fixups[i].exp,
3296 reloc_howto->pc_relative,
3297 reloc);
3298
3299 fixP->tc_fix_data = (void *) operand;
3300
3301 switch (reloc)
3302 {
3303 case BFD_RELOC_LO16:
3304 case BFD_RELOC_V850_LO16_S1:
3305 case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
3306 case BFD_RELOC_HI16:
3307 case BFD_RELOC_HI16_S:
3308 fixP->fx_no_overflow = 1;
3309 break;
3310 default:
3311 break;
3312 }
3313 }
3314 else
3315 {
3316 gas_assert (f != NULL);
3317 fix_new_exp (frag_now,
3318 f - frag_now->fr_literal, 4,
3319 & fixups[i].exp,
3320 (operand->flags & V850_PCREL) != 0,
3321 (bfd_reloc_code_real_type) (fixups[i].opindex
3322 + (int) BFD_RELOC_UNUSED));
3323 }
3324 }
3325
3326 input_line_pointer = saved_input_line_pointer;
3327 }
3328
3329 /* If while processing a fixup, a reloc really needs to be created
3330 then it is done here. */
3331
3332 arelent *
3333 tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
3334 {
3335 arelent *reloc;
3336
3337 reloc = XNEW (arelent);
3338 reloc->sym_ptr_ptr = XNEW (asymbol *);
3339 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
3340 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
3341
3342 if ( fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
3343 || fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
3344 || fixp->fx_r_type == BFD_RELOC_V850_LONGCALL
3345 || fixp->fx_r_type == BFD_RELOC_V850_LONGJUMP
3346 || fixp->fx_r_type == BFD_RELOC_V850_ALIGN)
3347 reloc->addend = fixp->fx_offset;
3348 else
3349 {
3350 #if 0
3351 if (fixp->fx_r_type == BFD_RELOC_32
3352 && fixp->fx_pcrel)
3353 fixp->fx_r_type = BFD_RELOC_32_PCREL;
3354 #endif
3355
3356 reloc->addend = fixp->fx_addnumber;
3357 }
3358
3359 reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
3360
3361 if (reloc->howto == NULL)
3362 {
3363 as_bad_where (fixp->fx_file, fixp->fx_line,
3364 /* xgettext:c-format */
3365 _("reloc %d not supported by object file format"),
3366 (int) fixp->fx_r_type);
3367
3368 xfree (reloc);
3369
3370 return NULL;
3371 }
3372
3373 return reloc;
3374 }
3375
3376 void
3377 v850_handle_align (fragS * frag)
3378 {
3379 if (v850_relax
3380 && frag->fr_type == rs_align
3381 && frag->fr_address + frag->fr_fix > 0
3382 && frag->fr_offset > 1
3383 && now_seg != bss_section
3384 && now_seg != v850_seg_table[SBSS_SECTION].s
3385 && now_seg != v850_seg_table[TBSS_SECTION].s
3386 && now_seg != v850_seg_table[ZBSS_SECTION].s)
3387 fix_new (frag, frag->fr_fix, 2, & abs_symbol, frag->fr_offset, 0,
3388 BFD_RELOC_V850_ALIGN);
3389 }
3390
3391 /* Return current size of variable part of frag. */
3392
3393 int
3394 md_estimate_size_before_relax (fragS *fragp, asection *seg ATTRIBUTE_UNUSED)
3395 {
3396 if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0]))
3397 abort ();
3398
3399 return md_relax_table[fragp->fr_subtype].rlx_length;
3400 }
3401
3402 long
3403 v850_pcrel_from_section (fixS *fixp, segT section)
3404 {
3405 /* If the symbol is undefined, or in a section other than our own,
3406 or it is weak (in which case it may well be in another section,
3407 then let the linker figure it out. */
3408 if (fixp->fx_addsy != (symbolS *) NULL
3409 && (! S_IS_DEFINED (fixp->fx_addsy)
3410 || S_IS_WEAK (fixp->fx_addsy)
3411 || (S_GET_SEGMENT (fixp->fx_addsy) != section)))
3412 return 0;
3413
3414 return fixp->fx_frag->fr_address + fixp->fx_where;
3415 }
3416
3417 void
3418 md_apply_fix (fixS *fixP, valueT *valueP, segT seg ATTRIBUTE_UNUSED)
3419 {
3420 valueT value = * valueP;
3421 char *where;
3422
3423 if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
3424 || fixP->fx_r_type == BFD_RELOC_V850_LONGCALL
3425 || fixP->fx_r_type == BFD_RELOC_V850_LONGJUMP
3426 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
3427 {
3428 fixP->fx_done = 0;
3429 return;
3430 }
3431
3432 if (fixP->fx_addsy == (symbolS *) NULL)
3433 fixP->fx_addnumber = value,
3434 fixP->fx_done = 1;
3435
3436 else if (fixP->fx_pcrel)
3437 fixP->fx_addnumber = fixP->fx_offset;
3438
3439 else
3440 {
3441 value = fixP->fx_offset;
3442 if (fixP->fx_subsy != (symbolS *) NULL)
3443 {
3444 if (S_GET_SEGMENT (fixP->fx_subsy) == absolute_section)
3445 value -= S_GET_VALUE (fixP->fx_subsy);
3446 else
3447 /* We don't actually support subtracting a symbol. */
3448 as_bad_subtract (fixP);
3449 }
3450 fixP->fx_addnumber = value;
3451 }
3452
3453 if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
3454 {
3455 int opindex;
3456 const struct v850_operand *operand;
3457 unsigned long insn;
3458 const char *errmsg = NULL;
3459
3460 opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
3461 operand = &v850_operands[opindex];
3462
3463 /* Fetch the instruction, insert the fully resolved operand
3464 value, and stuff the instruction back again.
3465
3466 Note the instruction has been stored in little endian
3467 format! */
3468 where = fixP->fx_frag->fr_literal + fixP->fx_where;
3469
3470 if (fixP->fx_size > 2)
3471 insn = bfd_getl32 ((unsigned char *) where);
3472 else
3473 insn = bfd_getl16 ((unsigned char *) where);
3474
3475 /* When inserting loop offsets a backwards displacement
3476 is encoded as a positive value. */
3477 if (operand->flags & V850_INVERSE_PCREL)
3478 value = - value;
3479
3480 insn = v850_insert_operand (insn, operand, (offsetT) value,
3481 &errmsg);
3482 if (errmsg)
3483 as_warn_where (fixP->fx_file, fixP->fx_line, "%s", errmsg);
3484
3485 if (fixP->fx_size > 2)
3486 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
3487 else
3488 bfd_putl16 ((bfd_vma) insn, (unsigned char *) where);
3489
3490 if (fixP->fx_done)
3491 /* Nothing else to do here. */
3492 return;
3493
3494 /* Determine a BFD reloc value based on the operand information.
3495 We are only prepared to turn a few of the operands into relocs. */
3496
3497 if (operand->default_reloc == BFD_RELOC_NONE)
3498 {
3499 as_bad_where (fixP->fx_file, fixP->fx_line,
3500 _("unresolved expression that must be resolved"));
3501 fixP->fx_done = 1;
3502 return;
3503 }
3504
3505 {
3506 fixP->fx_r_type = operand->default_reloc;
3507 if (operand->default_reloc == BFD_RELOC_V850_16_PCREL)
3508 {
3509 fixP->fx_where += 2;
3510 fixP->fx_size = 2;
3511 fixP->fx_addnumber += 2;
3512 }
3513 }
3514 }
3515 else if (fixP->fx_done)
3516 {
3517 /* We still have to insert the value into memory! */
3518 where = fixP->fx_frag->fr_literal + fixP->fx_where;
3519
3520 if (fixP->tc_fix_data != NULL
3521 && ((struct v850_operand *) fixP->tc_fix_data)->insert != NULL)
3522 {
3523 const char * message = NULL;
3524 struct v850_operand * operand = (struct v850_operand *) fixP->tc_fix_data;
3525 unsigned long insn;
3526
3527 /* The variable "where" currently points at the exact point inside
3528 the insn where we need to insert the value. But we need to
3529 extract the entire insn so we probably need to move "where"
3530 back a few bytes. */
3531
3532 if (fixP->fx_size == 2)
3533 where -= 2;
3534 else if (fixP->fx_size == 1)
3535 where -= 3;
3536
3537 insn = bfd_getl32 ((unsigned char *) where);
3538
3539 /* Use the operand's insertion procedure, if present, in order to
3540 make sure that the value is correctly stored in the insn. */
3541 insn = operand->insert (insn, (offsetT) value, & message);
3542 /* Ignore message even if it is set. */
3543
3544 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
3545 }
3546 else
3547 {
3548 switch (fixP->fx_r_type)
3549 {
3550 case BFD_RELOC_V850_32_ABS:
3551 case BFD_RELOC_V850_32_PCREL:
3552 bfd_putl32 (value & 0xfffffffe, (unsigned char *) where);
3553 break;
3554
3555 case BFD_RELOC_32:
3556 bfd_putl32 (value, (unsigned char *) where);
3557 break;
3558
3559 case BFD_RELOC_V850_23:
3560 bfd_putl32 (((value & 0x7f) << 4) | ((value & 0x7fff80) << (16-7))
3561 | (bfd_getl32 (where) & ~((0x7f << 4) | (0xffff << 16))),
3562 (unsigned char *) where);
3563 break;
3564
3565 case BFD_RELOC_16:
3566 case BFD_RELOC_HI16:
3567 case BFD_RELOC_HI16_S:
3568 case BFD_RELOC_LO16:
3569 case BFD_RELOC_V850_ZDA_16_16_OFFSET:
3570 case BFD_RELOC_V850_SDA_16_16_OFFSET:
3571 case BFD_RELOC_V850_TDA_16_16_OFFSET:
3572 case BFD_RELOC_V850_CALLT_16_16_OFFSET:
3573 bfd_putl16 (value & 0xffff, (unsigned char *) where);
3574 break;
3575
3576 case BFD_RELOC_8:
3577 *where = value & 0xff;
3578 break;
3579
3580 case BFD_RELOC_V850_9_PCREL:
3581 bfd_putl16 (((value & 0x1f0) << 7) | ((value & 0x0e) << 3)
3582 | (bfd_getl16 (where) & ~((0x1f0 << 7) | (0x0e << 3))), where);
3583 break;
3584
3585 case BFD_RELOC_V850_17_PCREL:
3586 bfd_putl32 (((value & 0x10000) >> (16 - 4)) | ((value & 0xfffe) << 16)
3587 | (bfd_getl32 (where) & ~((0x10000 >> (16 - 4)) | (0xfffe << 16))), where);
3588 break;
3589
3590 case BFD_RELOC_V850_16_PCREL:
3591 bfd_putl16 ((-value & 0xfffe) | (bfd_getl16 (where + 2) & 0x0001),
3592 (unsigned char *) (where + 2));
3593 break;
3594
3595 case BFD_RELOC_V850_22_PCREL:
3596 bfd_putl32 (((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16)
3597 | (bfd_getl32 (where) & ~((0xfffe << 16) | (0x3f0000 >> 16))), where);
3598 break;
3599
3600 case BFD_RELOC_V850_16_S1:
3601 case BFD_RELOC_V850_LO16_S1:
3602 case BFD_RELOC_V850_ZDA_15_16_OFFSET:
3603 case BFD_RELOC_V850_SDA_15_16_OFFSET:
3604 bfd_putl16 (value & 0xfffe, (unsigned char *) where);
3605 break;
3606
3607 case BFD_RELOC_V850_16_SPLIT_OFFSET:
3608 case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
3609 case BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET:
3610 case BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET:
3611 bfd_putl32 (((value << 16) & 0xfffe0000)
3612 | ((value << 5) & 0x20)
3613 | (bfd_getl32 (where) & ~0xfffe0020), where);
3614 break;
3615
3616 case BFD_RELOC_V850_TDA_6_8_OFFSET:
3617 *where = (*where & ~0x7e) | ((value >> 1) & 0x7e);
3618 break;
3619
3620 case BFD_RELOC_V850_TDA_7_8_OFFSET:
3621 *where = (*where & ~0x7f) | ((value >> 1) & 0x7f);
3622 break;
3623
3624 case BFD_RELOC_V850_TDA_7_7_OFFSET:
3625 *where = (*where & ~0x7f) | (value & 0x7f);
3626 break;
3627
3628 case BFD_RELOC_V850_TDA_4_5_OFFSET:
3629 *where = (*where & ~0xf) | ((value >> 1) & 0xf);
3630 break;
3631
3632 case BFD_RELOC_V850_TDA_4_4_OFFSET:
3633 *where = (*where & ~0xf) | (value & 0xf);
3634 break;
3635
3636 case BFD_RELOC_V850_CALLT_6_7_OFFSET:
3637 *where = (*where & ~0x3f) | (value & 0x3f);
3638 break;
3639
3640 default:
3641 abort ();
3642 }
3643 }
3644 }
3645 }
3646
3647 /* Parse a cons expression. We have to handle hi(), lo(), etc
3648 on the v850. */
3649
3650 bfd_reloc_code_real_type
3651 parse_cons_expression_v850 (expressionS *exp)
3652 {
3653 const char *errmsg;
3654 bfd_reloc_code_real_type r;
3655
3656 /* See if there's a reloc prefix like hi() we have to handle. */
3657 r = v850_reloc_prefix (NULL, &errmsg);
3658
3659 /* Do normal expression parsing. */
3660 expression (exp);
3661 return r;
3662 }
3663
3664 /* Create a fixup for a cons expression. If parse_cons_expression_v850
3665 found a reloc prefix, then we use that reloc, else we choose an
3666 appropriate one based on the size of the expression. */
3667
3668 void
3669 cons_fix_new_v850 (fragS *frag,
3670 int where,
3671 int size,
3672 expressionS *exp,
3673 bfd_reloc_code_real_type r)
3674 {
3675 if (r == BFD_RELOC_NONE)
3676 {
3677 if (size == 4)
3678 r = BFD_RELOC_32;
3679 if (size == 2)
3680 r = BFD_RELOC_16;
3681 if (size == 1)
3682 r = BFD_RELOC_8;
3683 }
3684
3685 if (exp != NULL)
3686 fix_new_exp (frag, where, size, exp, 0, r);
3687 else
3688 fix_new (frag, where, size, NULL, 0, 0, r);
3689 }
3690
3691 bool
3692 v850_fix_adjustable (fixS *fixP)
3693 {
3694 if (fixP->fx_addsy == NULL)
3695 return 1;
3696
3697 /* Don't adjust function names. */
3698 if (S_IS_FUNCTION (fixP->fx_addsy))
3699 return 0;
3700
3701 /* We need the symbol name for the VTABLE entries. */
3702 if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
3703 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
3704 return 0;
3705
3706 return 1;
3707 }
3708
3709 int
3710 v850_force_relocation (struct fix *fixP)
3711 {
3712 if (fixP->fx_r_type == BFD_RELOC_V850_LONGCALL
3713 || fixP->fx_r_type == BFD_RELOC_V850_LONGJUMP)
3714 return 1;
3715
3716 if (v850_relax
3717 && (fixP->fx_pcrel
3718 || fixP->fx_r_type == BFD_RELOC_V850_ALIGN
3719 || fixP->fx_r_type == BFD_RELOC_V850_9_PCREL
3720 || fixP->fx_r_type == BFD_RELOC_V850_16_PCREL
3721 || fixP->fx_r_type == BFD_RELOC_V850_17_PCREL
3722 || fixP->fx_r_type == BFD_RELOC_V850_22_PCREL
3723 || fixP->fx_r_type == BFD_RELOC_V850_32_PCREL
3724 || fixP->fx_r_type >= BFD_RELOC_UNUSED))
3725 return 1;
3726
3727 return generic_force_reloc (fixP);
3728 }
3729
3730 /* Create a v850 note section. */
3731 void
3732 v850_md_finish (void)
3733 {
3734 segT note_sec;
3735 segT orig_seg = now_seg;
3736 subsegT orig_subseg = now_subseg;
3737 enum v850_notes id;
3738
3739 note_sec = subseg_new (V850_NOTE_SECNAME, 0);
3740 bfd_set_section_flags (note_sec, SEC_HAS_CONTENTS | SEC_READONLY | SEC_MERGE);
3741 bfd_set_section_alignment (note_sec, 2);
3742
3743 /* Provide default values for all of the notes. */
3744 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
3745 {
3746 int val = 0;
3747 char * p;
3748
3749 /* Follow the standard note section layout:
3750 First write the length of the name string. */
3751 p = frag_more (4);
3752 md_number_to_chars (p, 4, 4);
3753
3754 /* Next comes the length of the "descriptor", i.e., the actual data. */
3755 p = frag_more (4);
3756 md_number_to_chars (p, 4, 4);
3757
3758 /* Write the note type. */
3759 p = frag_more (4);
3760 md_number_to_chars (p, (valueT) id, 4);
3761
3762 /* Write the name field. */
3763 p = frag_more (4);
3764 memcpy (p, V850_NOTE_NAME, 4);
3765
3766 /* Finally, write the descriptor. */
3767 p = frag_more (4);
3768 switch (id)
3769 {
3770 case V850_NOTE_ALIGNMENT:
3771 val = v850_data_8 ? EF_RH850_DATA_ALIGN8 : EF_RH850_DATA_ALIGN4;
3772 break;
3773
3774 case V850_NOTE_DATA_SIZE:
3775 /* GCC does not currently support an option
3776 for 32-bit doubles with the V850 backend. */
3777 val = EF_RH850_DOUBLE64;
3778 break;
3779
3780 case V850_NOTE_FPU_INFO:
3781 if (! soft_float)
3782 switch (machine)
3783 {
3784 case bfd_mach_v850e3v5: val = EF_RH850_FPU30; break;
3785 case bfd_mach_v850e2v3: val = EF_RH850_FPU20; break;
3786 default: break;
3787 }
3788 break;
3789
3790 default:
3791 break;
3792 }
3793 md_number_to_chars (p, val, 4);
3794 }
3795
3796 /* Paranoia - we probably do not need this. */
3797 subseg_set (orig_seg, orig_subseg);
3798 }
The GNU Binutils are a collection of binary tools.