[PATCH 5/57][Arm][GAS] Add support for MVE instructions: vmull{b,t}
[binutils-gdb.git] / gas / config / tc-v850.c
blob12d5846487e3a117f4dbd29c1f638226c4304fd2
1 /* tc-v850.c -- Assembler code for the NEC V850
2 Copyright (C) 1996-2019 Free Software Foundation, Inc.
4 This file is part of GAS, the GNU Assembler.
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.
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.
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. */
21 #include "as.h"
22 #include "safe-ctype.h"
23 #include "subsegs.h"
24 #include "opcode/v850.h"
25 #include "dwarf2dbg.h"
27 /* Sign-extend a 16-bit number. */
28 #define SEXT16(x) ((((x) & 0xffff) ^ (~0x7fff)) + 0x8000)
30 /* Set to TRUE if we want to be pedantic about signed overflows. */
31 static bfd_boolean warn_signed_overflows = FALSE;
32 static bfd_boolean warn_unsigned_overflows = FALSE;
34 /* Non-zero if floating point insns are not being used. */
35 static signed int soft_float = -1;
37 /* Indicates the target BFD machine number. */
38 static int machine = -1;
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;
46 /* Indicates the target processor(s) for the assemble. */
47 static int processor_mask = 0;
49 /* Structure to hold information about predefined registers. */
50 struct reg_name
52 const char *name;
53 int value;
54 unsigned int processors;
57 /* Generic assembler global variables which must be defined by all
58 targets. */
60 /* Characters which always start a comment. */
61 const char comment_chars[] = "#";
63 /* Characters which start a comment at the beginning of a line. */
64 const char line_comment_chars[] = ";#";
66 /* Characters which may be used to separate multiple commands on a
67 single line. */
68 const char line_separator_chars[] = ";";
70 /* Characters which are used to indicate an exponent in a floating
71 point number. */
72 const char EXP_CHARS[] = "eE";
74 /* Characters which mean that a number is a floating point constant,
75 as in 0d1.0. */
76 const char FLT_CHARS[] = "dD";
78 const relax_typeS md_relax_table[] =
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},
135 static int v850_relax = 0;
137 /* Default branch disp size 22 or 32. */
138 static int default_disp_size = 22;
140 /* Default no using bcond17. */
141 static int no_bcond17 = 0;
143 /* Default no using ld/st 23bit offset. */
144 static int no_stld23 = 0;
146 /* Fixups. */
147 #define MAX_INSN_FIXUPS 5
149 struct v850_fixup
151 expressionS exp;
152 int opindex;
153 bfd_reloc_code_real_type reloc;
156 struct v850_fixup fixups[MAX_INSN_FIXUPS];
157 static int fc;
159 struct v850_seg_entry
161 segT s;
162 const char *name;
163 flagword flags;
166 struct v850_seg_entry v850_seg_table[] =
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 }
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
220 static void
221 do_v850_seg (int i, subsegT sub)
223 struct v850_seg_entry *seg = v850_seg_table + i;
225 obj_elf_section_change_hook ();
227 if (seg->s != NULL)
228 subseg_set (seg->s, sub);
229 else
231 seg->s = subseg_new (seg->name, sub);
232 bfd_set_section_flags (stdoutput, seg->s, seg->flags);
233 if ((seg->flags & SEC_LOAD) == 0)
234 seg_info (seg->s)->bss = 1;
238 static void
239 v850_seg (int i)
241 subsegT sub = get_absolute_expression ();
243 do_v850_seg (i, sub);
244 demand_empty_rest_of_line ();
247 static void
248 v850_offset (int ignore ATTRIBUTE_UNUSED)
250 char *pfrag;
251 int temp = get_absolute_expression ();
253 pfrag = frag_var (rs_org, 1, 1, (relax_substateT)0, (symbolS *)0,
254 (offsetT) temp, (char *) 0);
255 *pfrag = 0;
257 demand_empty_rest_of_line ();
260 /* Copied from obj_elf_common() in gas/config/obj-elf.c. */
262 static void
263 v850_comm (int area)
265 char *name;
266 char c;
267 char *p;
268 int temp;
269 unsigned int size;
270 symbolS *symbolP;
271 int have_align;
273 c = get_symbol_name (&name);
275 /* Just after name is now '\0'. */
276 p = input_line_pointer;
277 *p = c;
279 SKIP_WHITESPACE ();
281 if (*input_line_pointer != ',')
283 as_bad (_("Expected comma after symbol-name"));
284 ignore_rest_of_line ();
285 return;
288 /* Skip ','. */
289 input_line_pointer++;
291 if ((temp = get_absolute_expression ()) < 0)
293 /* xgettext:c-format */
294 as_bad (_(".COMMon length (%d.) < 0! Ignored."), temp);
295 ignore_rest_of_line ();
296 return;
299 size = temp;
300 *p = 0;
301 symbolP = symbol_find_or_make (name);
302 *p = c;
304 if (S_IS_DEFINED (symbolP) && ! S_IS_COMMON (symbolP))
306 as_bad (_("Ignoring attempt to re-define symbol"));
307 ignore_rest_of_line ();
308 return;
311 if (S_GET_VALUE (symbolP) != 0)
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);
319 know (symbol_get_frag (symbolP) == &zero_address_frag);
321 if (*input_line_pointer != ',')
322 have_align = 0;
323 else
325 have_align = 1;
326 input_line_pointer++;
327 SKIP_WHITESPACE ();
330 if (! have_align || *input_line_pointer != '"')
332 if (! have_align)
333 temp = 0;
334 else
336 temp = get_absolute_expression ();
338 if (temp < 0)
340 temp = 0;
341 as_warn (_("Common alignment negative; 0 assumed"));
345 if (symbol_get_obj (symbolP)->local)
347 segT old_sec;
348 int old_subsec;
349 char *pfrag;
350 int align;
351 flagword applicable;
353 old_sec = now_seg;
354 old_subsec = now_subseg;
356 applicable = bfd_applicable_section_flags (stdoutput);
358 applicable &= SEC_ALLOC;
360 switch (area)
362 case SCOMMON_SECTION:
363 do_v850_seg (SBSS_SECTION, 0);
364 break;
366 case ZCOMMON_SECTION:
367 do_v850_seg (ZBSS_SECTION, 0);
368 break;
370 case TCOMMON_SECTION:
371 do_v850_seg (TBSS_SECTION, 0);
372 break;
375 if (temp)
377 /* Convert to a power of 2 alignment. */
378 for (align = 0; (temp & 1) == 0; temp >>= 1, ++align)
381 if (temp != 1)
383 as_bad (_("Common alignment not a power of 2"));
384 ignore_rest_of_line ();
385 return;
388 else
389 align = 0;
391 record_alignment (now_seg, align);
393 if (align)
394 frag_align (align, 0, 0);
396 switch (area)
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;
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;
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;
413 default:
414 abort ();
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);
423 switch (area)
425 case SCOMMON_SECTION:
426 S_SET_SEGMENT (symbolP, v850_seg_table[SBSS_SECTION].s);
427 break;
429 case ZCOMMON_SECTION:
430 S_SET_SEGMENT (symbolP, v850_seg_table[ZBSS_SECTION].s);
431 break;
433 case TCOMMON_SECTION:
434 S_SET_SEGMENT (symbolP, v850_seg_table[TBSS_SECTION].s);
435 break;
437 default:
438 abort ();
441 S_CLEAR_EXTERNAL (symbolP);
442 obj_elf_section_change_hook ();
443 subseg_set (old_sec, old_subsec);
445 else
447 segT old_sec;
448 int old_subsec;
450 allocate_common:
451 old_sec = now_seg;
452 old_subsec = now_subseg;
454 S_SET_VALUE (symbolP, (valueT) size);
455 S_SET_ALIGN (symbolP, temp);
456 S_SET_EXTERNAL (symbolP);
458 switch (area)
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;
467 default:
468 abort ();
471 obj_elf_section_change_hook ();
472 subseg_set (old_sec, old_subsec);
475 else
477 input_line_pointer++;
479 /* @@ Some use the dot, some don't. Can we get some consistency?? */
480 if (*input_line_pointer == '.')
481 input_line_pointer++;
483 /* @@ Some say data, some say bss. */
484 if (strncmp (input_line_pointer, "bss\"", 4)
485 && strncmp (input_line_pointer, "data\"", 5))
487 while (*--input_line_pointer != '"')
489 input_line_pointer--;
490 goto bad_common_segment;
493 while (*input_line_pointer++ != '"')
496 goto allocate_common;
499 symbol_get_bfdsym (symbolP)->flags |= BSF_OBJECT;
501 demand_empty_rest_of_line ();
502 return;
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;
519 static void
520 set_machine (int number)
522 machine = number;
523 bfd_set_arch_mach (stdoutput, v850_target_arch, machine);
525 switch (machine)
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;
537 static void
538 v850_longcode (int type)
540 expressionS ex;
542 if (! v850_relax)
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"));
550 expression (&ex);
552 if (ex.X_op != O_symbol || ex.X_add_number != 0)
554 as_bad (_("bad .longcall format"));
555 ignore_rest_of_line ();
557 return;
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);
567 demand_empty_rest_of_line ();
570 /* The target specific pseudo-ops which we support. */
571 const pseudo_typeS md_pseudo_table[] =
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 }
601 /* Opcode hash table. */
602 static struct hash_control *v850_hash;
604 /* This table is sorted. Suitable for searching by a binary search. */
605 static const struct reg_name pre_defined_registers[] =
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 },
648 #define REG_NAME_CNT \
649 (sizeof (pre_defined_registers) / sizeof (struct reg_name))
651 static const struct reg_name system_registers[] =
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 },
794 #define SYSREG_NAME_CNT \
795 (sizeof (system_registers) / sizeof (struct reg_name))
798 static const struct reg_name cc_names[] =
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 },
825 #define CC_NAME_CNT \
826 (sizeof (cc_names) / sizeof (struct reg_name))
828 static const struct reg_name float_cc_names[] =
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. */
864 #define FLOAT_CC_NAME_CNT \
865 (sizeof (float_cc_names) / sizeof (struct reg_name))
868 static const struct reg_name cacheop_names[] =
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 },
886 #define CACHEOP_NAME_CNT \
887 (sizeof (cacheop_names) / sizeof (struct reg_name))
889 static const struct reg_name prefop_names[] =
891 { "prefd", 0x04, PROCESSOR_V850E3V5_UP },
892 { "prefi", 0x00, PROCESSOR_V850E3V5_UP },
895 #define PREFOP_NAME_CNT \
896 (sizeof (prefop_names) / sizeof (struct reg_name))
898 static const struct reg_name vector_registers[] =
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 },
934 #define VREG_NAME_CNT \
935 (sizeof (vector_registers) / sizeof (struct reg_name))
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. */
941 static int
942 reg_name_search (const struct reg_name *regs,
943 int regcount,
944 const char *name,
945 bfd_boolean accept_numbers)
947 int middle, low, high;
948 int cmp;
949 symbolS *symbolP;
951 /* If the register name is a symbol, then evaluate it. */
952 if ((symbolP = symbol_find (name)) != NULL)
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)
961 int reg = S_GET_VALUE (symbolP);
962 return reg;
965 /* Otherwise drop through and try parsing name normally. */
968 low = 0;
969 high = regcount - 1;
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);
984 while (low <= high);
985 return -1;
988 /* Summary of register_name().
990 in: Input_line_pointer points to 1st char of operand.
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. */
998 static bfd_boolean
999 register_name (expressionS *expressionP)
1001 int reg_number;
1002 char *name;
1003 char *start;
1004 char c;
1006 /* Find the spelling of the operand. */
1007 start = input_line_pointer;
1008 c = get_symbol_name (&name);
1010 reg_number = reg_name_search (pre_defined_registers, REG_NAME_CNT,
1011 name, FALSE);
1013 /* Put back the delimiting char. */
1014 (void) restore_line_pointer (c);
1016 expressionP->X_add_symbol = NULL;
1017 expressionP->X_op_symbol = NULL;
1019 /* Look to see if it's in the register table. */
1020 if (reg_number >= 0)
1022 expressionP->X_op = O_register;
1023 expressionP->X_add_number = reg_number;
1025 return TRUE;
1028 /* Reset the line as if we had not done anything. */
1029 input_line_pointer = start;
1031 expressionP->X_op = O_illegal;
1033 return FALSE;
1036 /* Summary of system_register_name().
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.
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. */
1048 static bfd_boolean
1049 system_register_name (expressionS *expressionP,
1050 bfd_boolean accept_numbers)
1052 int reg_number;
1053 char *name;
1054 char *start;
1055 char c;
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);
1063 /* Put back the delimiting char. */
1064 (void) restore_line_pointer (c);
1066 if (reg_number < 0
1067 && accept_numbers)
1069 /* Reset input_line pointer. */
1070 input_line_pointer = start;
1072 if (ISDIGIT (*input_line_pointer))
1074 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1078 expressionP->X_add_symbol = NULL;
1079 expressionP->X_op_symbol = NULL;
1081 /* Look to see if it's in the register table. */
1082 if (reg_number >= 0)
1084 expressionP->X_op = O_register;
1085 expressionP->X_add_number = reg_number;
1087 return TRUE;
1090 /* Reset the line as if we had not done anything. */
1091 input_line_pointer = start;
1093 expressionP->X_op = O_illegal;
1095 return FALSE;
1098 /* Summary of cc_name().
1100 in: INPUT_LINE_POINTER points to 1st char of operand.
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. */
1108 static bfd_boolean
1109 cc_name (expressionS *expressionP,
1110 bfd_boolean accept_numbers)
1112 int reg_number;
1113 char *name;
1114 char *start;
1115 char c;
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);
1122 /* Put back the delimiting char. */
1123 (void) restore_line_pointer (c);
1125 if (reg_number < 0
1126 && accept_numbers)
1128 /* Reset input_line pointer. */
1129 input_line_pointer = start;
1131 if (ISDIGIT (*input_line_pointer))
1133 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1137 expressionP->X_add_symbol = NULL;
1138 expressionP->X_op_symbol = NULL;
1140 /* Look to see if it's in the register table. */
1141 if (reg_number >= 0)
1143 expressionP->X_op = O_constant;
1144 expressionP->X_add_number = reg_number;
1146 return TRUE;
1149 /* Reset the line as if we had not done anything. */
1150 input_line_pointer = start;
1152 expressionP->X_op = O_illegal;
1153 expressionP->X_add_number = 0;
1155 return FALSE;
1158 static bfd_boolean
1159 float_cc_name (expressionS *expressionP,
1160 bfd_boolean accept_numbers)
1162 int reg_number;
1163 char *name;
1164 char *start;
1165 char c;
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);
1172 /* Put back the delimiting char. */
1173 (void) restore_line_pointer (c);
1175 if (reg_number < 0
1176 && accept_numbers)
1178 /* Reset input_line pointer. */
1179 input_line_pointer = start;
1181 if (ISDIGIT (*input_line_pointer))
1183 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1187 expressionP->X_add_symbol = NULL;
1188 expressionP->X_op_symbol = NULL;
1190 /* Look to see if it's in the register table. */
1191 if (reg_number >= 0)
1193 expressionP->X_op = O_constant;
1194 expressionP->X_add_number = reg_number;
1196 return TRUE;
1199 /* Reset the line as if we had not done anything. */
1200 input_line_pointer = start;
1202 expressionP->X_op = O_illegal;
1203 expressionP->X_add_number = 0;
1205 return FALSE;
1208 static bfd_boolean
1209 cacheop_name (expressionS * expressionP,
1210 bfd_boolean accept_numbers)
1212 int reg_number;
1213 char *name;
1214 char *start;
1215 char c;
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);
1222 /* Put back the delimiting char. */
1223 (void) restore_line_pointer (c);
1225 if (reg_number < 0
1226 && accept_numbers)
1228 /* Reset input_line pointer. */
1229 input_line_pointer = start;
1231 if (ISDIGIT (*input_line_pointer))
1232 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1235 expressionP->X_add_symbol = NULL;
1236 expressionP->X_op_symbol = NULL;
1238 /* Look to see if it's in the register table. */
1239 if (reg_number >= 0)
1241 expressionP->X_op = O_constant;
1242 expressionP->X_add_number = reg_number;
1244 return TRUE;
1247 /* Reset the line as if we had not done anything. */
1248 input_line_pointer = start;
1250 expressionP->X_op = O_illegal;
1251 expressionP->X_add_number = 0;
1253 return FALSE;
1256 static bfd_boolean
1257 prefop_name (expressionS * expressionP,
1258 bfd_boolean accept_numbers)
1260 int reg_number;
1261 char *name;
1262 char *start;
1263 char c;
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);
1270 /* Put back the delimiting char. */
1271 (void) restore_line_pointer (c);
1273 if (reg_number < 0
1274 && accept_numbers)
1276 /* Reset input_line pointer. */
1277 input_line_pointer = start;
1279 if (ISDIGIT (*input_line_pointer))
1280 reg_number = strtol (input_line_pointer, &input_line_pointer, 0);
1283 expressionP->X_add_symbol = NULL;
1284 expressionP->X_op_symbol = NULL;
1286 /* Look to see if it's in the register table. */
1287 if (reg_number >= 0)
1289 expressionP->X_op = O_constant;
1290 expressionP->X_add_number = reg_number;
1292 return TRUE;
1295 /* Reset the line as if we had not done anything. */
1296 input_line_pointer = start;
1298 expressionP->X_op = O_illegal;
1299 expressionP->X_add_number = 0;
1301 return FALSE;
1304 static bfd_boolean
1305 vector_register_name (expressionS *expressionP)
1307 int reg_number;
1308 char *name;
1309 char *start;
1310 char c;
1312 /* Find the spelling of the operand. */
1313 start = input_line_pointer;
1314 c = get_symbol_name (&name);
1316 reg_number = reg_name_search (vector_registers, VREG_NAME_CNT,
1317 name, FALSE);
1319 /* Put back the delimiting char. */
1320 (void) restore_line_pointer (c);
1322 expressionP->X_add_symbol = NULL;
1323 expressionP->X_op_symbol = NULL;
1325 /* Look to see if it's in the register table. */
1326 if (reg_number >= 0)
1328 expressionP->X_op = O_register;
1329 expressionP->X_add_number = reg_number;
1331 return TRUE;
1334 /* Reset the line as if we had not done anything. */
1335 input_line_pointer = start;
1337 expressionP->X_op = O_illegal;
1339 return FALSE;
1342 static void
1343 skip_white_space (void)
1345 while (*input_line_pointer == ' '
1346 || *input_line_pointer == '\t')
1347 ++input_line_pointer;
1350 /* Summary of parse_register_list ().
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.
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.
1361 Parses register lists with the syntax:
1363 { rX }
1364 { rX, rY }
1365 { rX - rY }
1366 { rX - rY, rZ }
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. */
1375 static const char *
1376 parse_register_list (unsigned long *insn,
1377 const struct v850_operand *operand)
1379 static int type1_regs[32] =
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
1385 int *regs;
1386 expressionS exp;
1388 /* Select a register array to parse. */
1389 switch (operand->shift)
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");
1397 skip_white_space ();
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 != '{')
1404 int reg;
1405 int i;
1407 expression (&exp);
1409 if (exp.X_op != O_constant)
1410 return _("constant expression or register list expected");
1412 if (regs == type1_regs)
1414 if (exp.X_add_number & 0xFFFFF000)
1415 return _("high bits set in register list expression");
1417 for (reg = 20; reg < 32; reg++)
1418 if (exp.X_add_number & (1 << (reg - 20)))
1420 for (i = 0; i < 32; i++)
1421 if (regs[i] == reg)
1422 *insn |= (1 << i);
1426 return NULL;
1429 input_line_pointer++;
1431 /* Parse the register list until a terminator (closing curly brace or
1432 new-line) is found. */
1433 for (;;)
1435 skip_white_space ();
1437 if (register_name (&exp))
1439 int i;
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++)
1445 if (regs[i] == exp.X_add_number)
1447 *insn |= (1 << i);
1448 break;
1452 if (i == 32)
1453 return _("illegal register included in list");
1455 else if (system_register_name (&exp, TRUE))
1457 if (regs == type1_regs)
1459 return _("system registers cannot be included in list");
1463 if (*input_line_pointer == '}')
1465 input_line_pointer++;
1466 break;
1468 else if (*input_line_pointer == ',')
1470 input_line_pointer++;
1471 continue;
1473 else if (*input_line_pointer == '-')
1475 /* We have encountered a range of registers: rX - rY. */
1476 int j;
1477 expressionS exp2;
1479 /* Skip the dash. */
1480 ++input_line_pointer;
1482 /* Get the second register in the range. */
1483 if (! register_name (&exp2))
1485 return _("second register should follow dash in register list");
1488 if (exp.X_add_number > exp2.X_add_number)
1490 return _("second register should be greater than first register");
1493 /* Add the rest of the registers in the range. */
1494 for (j = exp.X_add_number + 1; j <= exp2.X_add_number; j++)
1496 int i;
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++)
1502 if (regs[i] == j)
1504 *insn |= (1 << i);
1505 break;
1509 if (i == 32)
1510 return _("illegal register included in list");
1513 exp = exp2;
1515 else
1516 break;
1519 return NULL;
1522 const char *md_shortopts = "m:";
1524 struct option md_longopts[] =
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}
1533 size_t md_longopts_size = sizeof (md_longopts);
1535 static bfd_boolean v850_data_8 = FALSE;
1537 void
1538 md_show_usage (FILE *stream)
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"));
1565 md_parse_option (int c, const char *arg)
1567 if (c != 'm')
1569 switch (c)
1571 case OPTION_DISP_SIZE_DEFAULT_22:
1572 default_disp_size = 22;
1573 return 1;
1575 case OPTION_DISP_SIZE_DEFAULT_32:
1576 default_disp_size = 32;
1577 return 1;
1579 return 0;
1582 if (strcmp (arg, "warn-signed-overflow") == 0)
1583 warn_signed_overflows = TRUE;
1585 else if (strcmp (arg, "warn-unsigned-overflow") == 0)
1586 warn_unsigned_overflows = TRUE;
1588 else if (strcmp (arg, "v850") == 0)
1590 machine = 0;
1591 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850);
1593 else if (strcmp (arg, "v850e") == 0)
1595 machine = bfd_mach_v850e;
1596 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E);
1598 else if (strcmp (arg, "v850e1") == 0)
1600 machine = bfd_mach_v850e1;
1601 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E1);
1603 else if (strcmp (arg, "v850e2") == 0)
1605 machine = bfd_mach_v850e2;
1606 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2);
1608 else if (strcmp (arg, "v850e2v3") == 0)
1610 machine = bfd_mach_v850e2v3;
1611 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2V3);
1613 else if (strcmp (arg, "v850e2v4") == 0)
1615 machine = bfd_mach_v850e3v5;
1616 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1618 else if (strcmp (arg, "v850e3v5") == 0)
1620 machine = bfd_mach_v850e3v5;
1621 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1623 else if (strcmp (arg, "extension") == 0)
1625 processor_mask |= PROCESSOR_OPTION_EXTENSION | PROCESSOR_OPTION_ALIAS;
1627 else if (strcmp (arg, "no-bcond17") == 0)
1629 no_bcond17 = 1;
1631 else if (strcmp (arg, "no-stld23") == 0)
1633 no_stld23 = 1;
1635 else if (strcmp (arg, "relax") == 0)
1636 v850_relax = 1;
1637 else if (strcmp (arg, "gcc-abi") == 0)
1639 v850_target_arch = bfd_arch_v850;
1640 v850_target_format = "elf32-v850";
1642 else if (strcmp (arg, "rh850-abi") == 0)
1644 v850_target_arch = bfd_arch_v850_rh850;
1645 v850_target_format = "elf32-v850-rh850";
1647 else if (strcmp (arg, "8byte-align") == 0)
1649 v850_data_8 = TRUE;
1650 v850_e_flags |= EF_RH850_DATA_ALIGN8;
1652 else if (strcmp (arg, "4byte-align") == 0)
1654 v850_data_8 = FALSE;
1655 v850_e_flags &= ~ EF_RH850_DATA_ALIGN8;
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;
1664 return 1;
1667 symbolS *
1668 md_undefined_symbol (char *name ATTRIBUTE_UNUSED)
1670 return 0;
1673 const char *
1674 md_atof (int type, char *litp, int *sizep)
1676 return ieee_md_atof (type, litp, sizep, FALSE);
1679 /* Very gross. */
1681 void
1682 md_convert_frag (bfd *abfd ATTRIBUTE_UNUSED,
1683 asection *sec,
1684 fragS *fragP)
1686 union u
1688 bfd_reloc_code_real_type fx_r_type;
1689 char * fr_opcode;
1691 opcode_converter;
1692 subseg_change (sec, 0);
1694 opcode_converter.fr_opcode = fragP->fr_opcode;
1696 subseg_change (sec, 0);
1698 if (fragP->fr_subtype == SUBYPTE_LOOP_16_22)
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;
1705 else if (fragP->fr_subtype == SUBYPTE_LOOP_16_22 + 1)
1707 unsigned char * buffer =
1708 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1709 int loop_reg = (buffer[0] & 0x1f);
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;
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)
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;
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)
1745 unsigned char *buffer =
1746 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1748 buffer[0] &= 0x0f; /* Use condition. */
1749 buffer[0] |= 0xe0;
1750 buffer[1] = 0x07;
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;
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)
1765 unsigned char *buffer =
1766 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
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;
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;
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)
1788 unsigned char *buffer =
1789 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
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;
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;
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)
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;
1816 /* Out of range unconditional branch. Emit a 32bit jump. */
1817 else if (fragP->fr_subtype == SUBYPTE_UNCOND_9_22_32 + 2)
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;
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)
1830 unsigned char *buffer =
1831 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1833 /* bsa .+4 */
1834 buffer[0] &= 0x8f;
1835 buffer[0] |= 0x20;
1836 buffer[1] &= 0x07;
1838 /* br .+6 */
1839 md_number_to_chars ((char *) buffer + 2, 0x05b5, 2);
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;
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)
1854 unsigned char *buffer =
1855 (unsigned char *) (fragP->fr_fix + fragP->fr_literal);
1857 /* bsa .+2 */
1858 buffer[0] &= 0x8f;
1859 buffer[0] |= 0x20;
1860 buffer[1] &= 0x07;
1862 /* br .+8 */
1863 md_number_to_chars ((char *) buffer + 2, 0x05c5, 2);
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);
1872 fragP->fr_fix += 10;
1874 else
1875 abort ();
1878 valueT
1879 md_section_align (asection *seg, valueT addr)
1881 int align = bfd_get_section_alignment (stdoutput, seg);
1882 return ((addr + (1 << align) - 1) & -(1 << align));
1885 void
1886 md_begin (void)
1888 const char *prev_name = "";
1889 const struct v850_opcode *op;
1891 if (strncmp (TARGET_CPU, "v850e3v5", 8) == 0)
1893 if (machine == -1)
1894 machine = bfd_mach_v850e3v5;
1896 if (!processor_mask)
1897 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1899 else if (strncmp (TARGET_CPU, "v850e2v4", 8) == 0)
1901 if (machine == -1)
1902 machine = bfd_mach_v850e3v5;
1904 if (!processor_mask)
1905 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E3V5);
1907 else if (strncmp (TARGET_CPU, "v850e2v3", 8) == 0)
1909 if (machine == -1)
1910 machine = bfd_mach_v850e2v3;
1912 if (!processor_mask)
1913 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2V3);
1915 else if (strncmp (TARGET_CPU, "v850e2", 6) == 0)
1917 if (machine == -1)
1918 machine = bfd_mach_v850e2;
1920 if (!processor_mask)
1921 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E2);
1923 else if (strncmp (TARGET_CPU, "v850e1", 6) == 0)
1925 if (machine == -1)
1926 machine = bfd_mach_v850e1;
1928 if (!processor_mask)
1929 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E1);
1931 else if (strncmp (TARGET_CPU, "v850e", 5) == 0)
1933 if (machine == -1)
1934 machine = bfd_mach_v850e;
1936 if (!processor_mask)
1937 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850E);
1939 else if (strncmp (TARGET_CPU, "v850", 4) == 0)
1941 if (machine == -1)
1942 machine = 0;
1944 if (!processor_mask)
1945 SET_PROCESSOR_MASK (processor_mask, PROCESSOR_V850);
1947 else
1948 /* xgettext:c-format */
1949 as_bad (_("Unable to determine default target processor from string: %s"),
1950 TARGET_CPU);
1952 if (soft_float == -1)
1953 soft_float = machine < bfd_mach_v850e2v3;
1955 v850_hash = hash_new ();
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)
1964 if (strcmp (prev_name, op->name))
1966 prev_name = (char *) op->name;
1967 hash_insert (v850_hash, op->name, (char *) op);
1969 op++;
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);
1978 static bfd_reloc_code_real_type
1979 handle_hi016 (const struct v850_operand *operand, const char **errmsg)
1981 if (operand == NULL)
1982 return BFD_RELOC_HI16;
1984 if (operand->default_reloc == BFD_RELOC_HI16)
1985 return BFD_RELOC_HI16;
1987 if (operand->default_reloc == BFD_RELOC_HI16_S)
1988 return BFD_RELOC_HI16;
1990 if (operand->default_reloc == BFD_RELOC_16)
1991 return BFD_RELOC_HI16;
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. */
1998 static bfd_reloc_code_real_type
1999 handle_hi16 (const struct v850_operand *operand, const char **errmsg)
2001 if (operand == NULL)
2002 return BFD_RELOC_HI16_S;
2004 if (operand->default_reloc == BFD_RELOC_HI16_S)
2005 return BFD_RELOC_HI16_S;
2007 if (operand->default_reloc == BFD_RELOC_HI16)
2008 return BFD_RELOC_HI16_S;
2010 if (operand->default_reloc == BFD_RELOC_16)
2011 return BFD_RELOC_HI16_S;
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. */
2018 static bfd_reloc_code_real_type
2019 handle_lo16 (const struct v850_operand *operand, const char **errmsg)
2021 if (operand == NULL)
2022 return BFD_RELOC_LO16;
2024 if (operand->default_reloc == BFD_RELOC_LO16)
2025 return BFD_RELOC_LO16;
2027 if (operand->default_reloc == BFD_RELOC_V850_16_SPLIT_OFFSET)
2028 return BFD_RELOC_V850_LO16_SPLIT_OFFSET;
2030 if (operand->default_reloc == BFD_RELOC_V850_16_S1)
2031 return BFD_RELOC_V850_LO16_S1;
2033 if (operand->default_reloc == BFD_RELOC_16)
2034 return BFD_RELOC_LO16;
2036 *errmsg = _("lo() relocation used on an instruction which does "
2037 "not support it");
2038 return BFD_RELOC_64; /* Used to indicate an error condition. */
2041 static bfd_reloc_code_real_type
2042 handle_ctoff (const struct v850_operand *operand, const char **errmsg)
2044 if (v850_target_arch == bfd_arch_v850_rh850)
2046 *errmsg = _("ctoff() is not supported by the rh850 ABI. Use -mgcc-abi instead");
2047 return BFD_RELOC_64; /* Used to indicate an error condition. */
2050 if (operand == NULL)
2051 return BFD_RELOC_V850_CALLT_16_16_OFFSET;
2053 if (operand->default_reloc == BFD_RELOC_V850_CALLT_6_7_OFFSET)
2054 return operand->default_reloc;
2056 if (operand->default_reloc == BFD_RELOC_V850_16_S1)
2057 return BFD_RELOC_V850_CALLT_15_16_OFFSET;
2059 if (operand->default_reloc == BFD_RELOC_16)
2060 return BFD_RELOC_V850_CALLT_16_16_OFFSET;
2062 *errmsg = _("ctoff() relocation used on an instruction which does not support it");
2063 return BFD_RELOC_64; /* Used to indicate an error condition. */
2066 static bfd_reloc_code_real_type
2067 handle_sdaoff (const struct v850_operand *operand, const char **errmsg)
2069 if (operand == NULL)
2070 return BFD_RELOC_V850_SDA_16_16_OFFSET;
2072 if (operand->default_reloc == BFD_RELOC_V850_16_SPLIT_OFFSET)
2073 return BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET;
2075 if (operand->default_reloc == BFD_RELOC_16)
2076 return BFD_RELOC_V850_SDA_16_16_OFFSET;
2078 if (operand->default_reloc == BFD_RELOC_V850_16_S1)
2079 return BFD_RELOC_V850_SDA_15_16_OFFSET;
2081 *errmsg = _("sdaoff() relocation used on an instruction which does not support it");
2082 return BFD_RELOC_64; /* Used to indicate an error condition. */
2085 static bfd_reloc_code_real_type
2086 handle_zdaoff (const struct v850_operand *operand, const char **errmsg)
2088 if (operand == NULL)
2089 return BFD_RELOC_V850_ZDA_16_16_OFFSET;
2091 if (operand->default_reloc == BFD_RELOC_V850_16_SPLIT_OFFSET)
2092 return BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET;
2094 if (operand->default_reloc == BFD_RELOC_16)
2095 return BFD_RELOC_V850_ZDA_16_16_OFFSET;
2097 if (operand->default_reloc == BFD_RELOC_V850_16_S1)
2098 return BFD_RELOC_V850_ZDA_15_16_OFFSET;
2100 *errmsg = _("zdaoff() relocation used on an instruction which does not support it");
2101 return BFD_RELOC_64; /* Used to indicate an error condition. */
2104 static bfd_reloc_code_real_type
2105 handle_tdaoff (const struct v850_operand *operand, const char **errmsg)
2107 if (operand == NULL)
2108 /* Data item, not an instruction. */
2109 return BFD_RELOC_V850_TDA_16_16_OFFSET;
2111 switch (operand->default_reloc)
2113 /* sld.hu, operand: D5-4. */
2114 case BFD_RELOC_V850_TDA_4_5_OFFSET:
2115 /* sld.bu, operand: D4. */
2116 case BFD_RELOC_V850_TDA_4_4_OFFSET:
2117 /* sld.w/sst.w, operand: D8_6. */
2118 case BFD_RELOC_V850_TDA_6_8_OFFSET:
2119 /* sld.h/sst.h, operand: D8_7. */
2120 case BFD_RELOC_V850_TDA_7_8_OFFSET:
2121 /* sld.b/sst.b, operand: D7. */
2122 case BFD_RELOC_V850_TDA_7_7_OFFSET:
2123 return operand->default_reloc;
2124 default:
2125 break;
2128 if (operand->default_reloc == BFD_RELOC_16 && operand->shift == 16)
2129 /* set1 & chums, operands: D16. */
2130 return BFD_RELOC_V850_TDA_16_16_OFFSET;
2132 *errmsg = _("tdaoff() relocation used on an instruction which does not support it");
2133 /* Used to indicate an error condition. */
2134 return BFD_RELOC_64;
2137 /* Warning: The code in this function relies upon the definitions
2138 in the v850_operands[] array (defined in opcodes/v850-opc.c)
2139 matching the hard coded values contained herein. */
2141 static bfd_reloc_code_real_type
2142 v850_reloc_prefix (const struct v850_operand *operand, const char **errmsg)
2144 bfd_boolean paren_skipped = FALSE;
2146 /* Skip leading opening parenthesis. */
2147 if (*input_line_pointer == '(')
2149 ++input_line_pointer;
2150 paren_skipped = TRUE;
2153 #define CHECK_(name, reloc) \
2154 if (strncmp (input_line_pointer, name "(", strlen (name) + 1) == 0) \
2156 input_line_pointer += strlen (name); \
2157 return reloc; \
2160 CHECK_ ("hi0", handle_hi016(operand, errmsg) );
2161 CHECK_ ("hi", handle_hi16(operand, errmsg) );
2162 CHECK_ ("lo", handle_lo16 (operand, errmsg) );
2163 CHECK_ ("sdaoff", handle_sdaoff (operand, errmsg));
2164 CHECK_ ("zdaoff", handle_zdaoff (operand, errmsg));
2165 CHECK_ ("tdaoff", handle_tdaoff (operand, errmsg));
2166 CHECK_ ("hilo", BFD_RELOC_32);
2167 CHECK_ ("lo23", BFD_RELOC_V850_23);
2168 CHECK_ ("ctoff", handle_ctoff (operand, errmsg) );
2170 /* Restore skipped parenthesis. */
2171 if (paren_skipped)
2172 --input_line_pointer;
2174 return BFD_RELOC_NONE;
2177 /* Insert an operand value into an instruction. */
2179 static unsigned long
2180 v850_insert_operand (unsigned long insn,
2181 const struct v850_operand *operand,
2182 offsetT val,
2183 const char **errmsg)
2185 if (operand->insert)
2187 const char *message = NULL;
2189 insn = operand->insert (insn, val, &message);
2190 if (message != NULL)
2192 if ((operand->flags & V850_OPERAND_SIGNED)
2193 && ! warn_signed_overflows
2194 && v850_msg_is_out_of_range (message))
2196 /* Skip warning... */
2198 else if ((operand->flags & V850_OPERAND_SIGNED) == 0
2199 && ! warn_unsigned_overflows
2200 && v850_msg_is_out_of_range (message))
2202 /* Skip warning... */
2204 else
2206 if (errmsg != NULL)
2207 *errmsg = message;
2211 else if (operand->bits == -1
2212 || operand->flags & V850E_IMMEDIATE16
2213 || operand->flags & V850E_IMMEDIATE23
2214 || operand->flags & V850E_IMMEDIATE32)
2216 abort ();
2218 else
2220 if (operand->bits < 32)
2222 long min, max;
2224 if ((operand->flags & V850_OPERAND_SIGNED) != 0)
2226 if (! warn_signed_overflows)
2227 max = (1 << operand->bits) - 1;
2228 else
2229 max = (1 << (operand->bits - 1)) - 1;
2231 min = -(1 << (operand->bits - 1));
2233 else
2235 max = (1 << operand->bits) - 1;
2237 if (! warn_unsigned_overflows)
2238 min = -(1 << (operand->bits - 1));
2239 else
2240 min = 0;
2243 /* Some people write constants with the sign extension done by
2244 hand but only up to 32 bits. This shouldn't really be valid,
2245 but, to permit this code to assemble on a 64-bit host, we
2246 sign extend the 32-bit value to 64 bits if so doing makes the
2247 value valid. */
2248 if (val > max
2249 && (offsetT) (val - 0x80000000 - 0x80000000) >= min
2250 && (offsetT) (val - 0x80000000 - 0x80000000) <= max)
2251 val = val - 0x80000000 - 0x80000000;
2253 /* Similarly, people write expressions like ~(1<<15), and expect
2254 this to be OK for a 32-bit unsigned value. */
2255 else if (val < min
2256 && (offsetT) (val + 0x80000000 + 0x80000000) >= min
2257 && (offsetT) (val + 0x80000000 + 0x80000000) <= max)
2258 val = val + 0x80000000 + 0x80000000;
2260 else if (val < (offsetT) min || val > (offsetT) max)
2262 static char buf [128];
2264 /* Restore min and mix to expected values for decimal ranges. */
2265 if ((operand->flags & V850_OPERAND_SIGNED)
2266 && ! warn_signed_overflows)
2267 max = (1 << (operand->bits - 1)) - 1;
2269 if (! (operand->flags & V850_OPERAND_SIGNED)
2270 && ! warn_unsigned_overflows)
2271 min = 0;
2273 sprintf (buf, _("operand out of range (%d is not between %d and %d)"),
2274 (int) val, (int) min, (int) max);
2275 *errmsg = buf;
2278 insn |= (((long) val & ((1 << operand->bits) - 1)) << operand->shift);
2280 else
2282 insn |= (((long) val) << operand->shift);
2286 return insn;
2289 static char copy_of_instruction[128];
2291 void
2292 md_assemble (char *str)
2294 char *s;
2295 char *start_of_operands;
2296 struct v850_opcode *opcode;
2297 struct v850_opcode *next_opcode;
2298 const unsigned char *opindex_ptr;
2299 int next_opindex;
2300 int relaxable = 0;
2301 unsigned long insn = 0;
2302 unsigned long insn_size;
2303 char *f = NULL;
2304 int i;
2305 int match;
2306 bfd_boolean extra_data_after_insn = FALSE;
2307 unsigned extra_data_len = 0;
2308 unsigned long extra_data = 0;
2309 char *saved_input_line_pointer;
2310 char most_match_errmsg[1024];
2311 int most_match_count = -1;
2313 strncpy (copy_of_instruction, str, sizeof (copy_of_instruction) - 1);
2314 most_match_errmsg[0] = 0;
2316 /* Get the opcode. */
2317 for (s = str; *s != '\0' && ! ISSPACE (*s); s++)
2318 continue;
2320 if (*s != '\0')
2321 *s++ = '\0';
2323 /* Find the first opcode with the proper name. */
2324 opcode = (struct v850_opcode *) hash_find (v850_hash, str);
2325 if (opcode == NULL)
2327 /* xgettext:c-format */
2328 as_bad (_("Unrecognized opcode: `%s'"), str);
2329 ignore_rest_of_line ();
2330 return;
2333 str = s;
2334 while (ISSPACE (*str))
2335 ++str;
2337 start_of_operands = str;
2339 saved_input_line_pointer = input_line_pointer;
2341 for (;;)
2343 const char *errmsg = NULL;
2344 const char *warningmsg = NULL;
2346 match = 0;
2347 opindex_ptr = opcode->operands;
2349 if (no_stld23)
2351 if ((strncmp (opcode->name, "st.", 3) == 0
2352 && v850_operands[opcode->operands[1]].bits == 23)
2353 || (strncmp (opcode->name, "ld.", 3) == 0
2354 && v850_operands[opcode->operands[0]].bits == 23))
2356 errmsg = _("st/ld offset 23 instruction was disabled .");
2357 goto error;
2361 if ((opcode->processors & processor_mask & PROCESSOR_MASK) == 0
2362 || (((opcode->processors & ~PROCESSOR_MASK) != 0)
2363 && ((opcode->processors & processor_mask & ~PROCESSOR_MASK) == 0)))
2365 errmsg = _("Target processor does not support this instruction.");
2366 goto error;
2369 relaxable = 0;
2370 fc = 0;
2371 next_opindex = 0;
2372 insn = opcode->opcode;
2373 extra_data_len = 0;
2374 extra_data_after_insn = FALSE;
2376 input_line_pointer = str = start_of_operands;
2378 for (opindex_ptr = opcode->operands; *opindex_ptr != 0; opindex_ptr++)
2380 const struct v850_operand *operand;
2381 char *hold;
2382 expressionS ex;
2383 bfd_reloc_code_real_type reloc;
2385 if (next_opindex == 0)
2386 operand = &v850_operands[*opindex_ptr];
2387 else
2389 operand = &v850_operands[next_opindex];
2390 next_opindex = 0;
2393 errmsg = NULL;
2395 while (*str == ' ')
2396 ++str;
2398 if (operand->flags & V850_OPERAND_BANG
2399 && *str == '!')
2400 ++str;
2401 else if (operand->flags & V850_OPERAND_PERCENT
2402 && *str == '%')
2403 ++str;
2405 if (*str == ',' || *str == '[' || *str == ']')
2406 ++str;
2408 while (*str == ' ')
2409 ++str;
2411 if ( (strcmp (opcode->name, "pushsp") == 0
2412 || strcmp (opcode->name, "popsp") == 0
2413 || strcmp (opcode->name, "dbpush") == 0)
2414 && (*str == '-'))
2415 ++str;
2417 if (operand->flags & V850_OPERAND_RELAX)
2418 relaxable = 1;
2420 /* Gather the operand. */
2421 hold = input_line_pointer;
2422 input_line_pointer = str;
2424 /* lo(), hi(), hi0(), etc... */
2425 if ((reloc = v850_reloc_prefix (operand, &errmsg)) != BFD_RELOC_NONE)
2427 /* This is a fake reloc, used to indicate an error condition. */
2428 if (reloc == BFD_RELOC_64)
2430 /* match = 1; */
2431 goto error;
2434 expression (&ex);
2436 if (ex.X_op == O_constant)
2438 switch (reloc)
2440 case BFD_RELOC_V850_ZDA_16_16_OFFSET:
2441 case BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET:
2442 case BFD_RELOC_V850_ZDA_15_16_OFFSET:
2443 /* To cope with "not1 7, zdaoff(0xfffff006)[r0]"
2444 and the like. */
2445 /* Fall through. */
2447 case BFD_RELOC_LO16:
2448 case BFD_RELOC_V850_LO16_S1:
2449 case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
2451 /* Truncate, then sign extend the value. */
2452 ex.X_add_number = SEXT16 (ex.X_add_number);
2453 break;
2456 case BFD_RELOC_HI16:
2458 /* Truncate, then sign extend the value. */
2459 ex.X_add_number = SEXT16 (ex.X_add_number >> 16);
2460 break;
2463 case BFD_RELOC_HI16_S:
2465 /* Truncate, then sign extend the value. */
2466 int temp = (ex.X_add_number >> 16) & 0xffff;
2468 temp += (ex.X_add_number >> 15) & 1;
2470 ex.X_add_number = SEXT16 (temp);
2471 break;
2474 case BFD_RELOC_V850_23:
2475 if ((operand->flags & V850E_IMMEDIATE23) == 0)
2477 errmsg = _("immediate operand is too large");
2478 goto error;
2480 break;
2482 case BFD_RELOC_32:
2483 case BFD_RELOC_V850_32_ABS:
2484 case BFD_RELOC_V850_32_PCREL:
2485 if ((operand->flags & V850E_IMMEDIATE32) == 0)
2487 errmsg = _("immediate operand is too large");
2488 goto error;
2491 break;
2493 default:
2494 as_bad (_("AAARG -> unhandled constant reloc: %d"), reloc);
2495 break;
2498 if (operand->flags & V850E_IMMEDIATE32)
2500 extra_data_after_insn = TRUE;
2501 extra_data_len = 4;
2502 extra_data = 0;
2504 else if (operand->flags & V850E_IMMEDIATE23)
2506 if (reloc != BFD_RELOC_V850_23)
2508 errmsg = _("immediate operand is too large");
2509 goto error;
2511 extra_data_after_insn = TRUE;
2512 extra_data_len = 2;
2513 extra_data = 0;
2515 else if ((operand->flags & V850E_IMMEDIATE16)
2516 || (operand->flags & V850E_IMMEDIATE16HI))
2518 if (operand->flags & V850E_IMMEDIATE16HI
2519 && reloc != BFD_RELOC_HI16
2520 && reloc != BFD_RELOC_HI16_S)
2522 errmsg = _("immediate operand is too large");
2523 goto error;
2525 else if (operand->flags & V850E_IMMEDIATE16
2526 && reloc != BFD_RELOC_LO16)
2528 errmsg = _("immediate operand is too large");
2529 goto error;
2532 extra_data_after_insn = TRUE;
2533 extra_data_len = 2;
2534 extra_data = 0;
2537 if (fc > MAX_INSN_FIXUPS)
2538 as_fatal (_("too many fixups"));
2540 fixups[fc].exp = ex;
2541 fixups[fc].opindex = *opindex_ptr;
2542 fixups[fc].reloc = reloc;
2543 fc++;
2545 else /* ex.X_op != O_constant. */
2547 if ((reloc == BFD_RELOC_32
2548 || reloc == BFD_RELOC_V850_32_ABS
2549 || reloc == BFD_RELOC_V850_32_PCREL)
2550 && operand->bits < 32)
2552 errmsg = _("immediate operand is too large");
2553 goto error;
2555 else if (reloc == BFD_RELOC_V850_23
2556 && (operand->flags & V850E_IMMEDIATE23) == 0)
2558 errmsg = _("immediate operand is too large");
2559 goto error;
2561 else if ((reloc == BFD_RELOC_HI16
2562 || reloc == BFD_RELOC_HI16_S)
2563 && operand->bits < 16)
2565 errmsg = _("immediate operand is too large");
2566 goto error;
2569 if (operand->flags & V850E_IMMEDIATE32)
2571 extra_data_after_insn = TRUE;
2572 extra_data_len = 4;
2573 extra_data = 0;
2575 else if (operand->flags & V850E_IMMEDIATE23)
2577 if (reloc != BFD_RELOC_V850_23)
2579 errmsg = _("immediate operand is too large");
2580 goto error;
2582 extra_data_after_insn = TRUE;
2583 extra_data_len = 2;
2584 extra_data = 0;
2586 else if ((operand->flags & V850E_IMMEDIATE16)
2587 || (operand->flags & V850E_IMMEDIATE16HI))
2589 if (operand->flags & V850E_IMMEDIATE16HI
2590 && reloc != BFD_RELOC_HI16
2591 && reloc != BFD_RELOC_HI16_S)
2593 errmsg = _("immediate operand is too large");
2594 goto error;
2596 else if (operand->flags & V850E_IMMEDIATE16
2597 && reloc != BFD_RELOC_LO16)
2599 errmsg = _("immediate operand is too large");
2600 goto error;
2603 extra_data_after_insn = TRUE;
2604 extra_data_len = 2;
2605 extra_data = 0;
2608 if (fc > MAX_INSN_FIXUPS)
2609 as_fatal (_("too many fixups"));
2611 fixups[fc].exp = ex;
2612 fixups[fc].opindex = *opindex_ptr;
2613 fixups[fc].reloc = reloc;
2614 fc++;
2617 else if (operand->flags & V850E_IMMEDIATE16
2618 || operand->flags & V850E_IMMEDIATE16HI)
2620 expression (&ex);
2622 switch (ex.X_op)
2624 case O_constant:
2625 if (operand->flags & V850E_IMMEDIATE16HI)
2627 if (ex.X_add_number & 0xffff)
2629 errmsg = _("constant too big to fit into instruction");
2630 goto error;
2633 ex.X_add_number >>= 16;
2635 if (operand->flags & V850E_IMMEDIATE16)
2637 if ((ex.X_add_number & 0xffff8000)
2638 && ((ex.X_add_number & 0xffff8000) != 0xffff8000))
2640 errmsg = _("constant too big to fit into instruction");
2641 goto error;
2644 break;
2646 case O_illegal:
2647 errmsg = _("illegal operand");
2648 goto error;
2650 case O_absent:
2651 errmsg = _("missing operand");
2652 goto error;
2654 default:
2655 if (fc >= MAX_INSN_FIXUPS)
2656 as_fatal (_("too many fixups"));
2658 fixups[fc].exp = ex;
2659 fixups[fc].opindex = *opindex_ptr;
2660 fixups[fc].reloc = operand->default_reloc;
2661 ++fc;
2663 ex.X_add_number = 0;
2664 break;
2667 extra_data_after_insn = TRUE;
2668 extra_data_len = 2;
2669 extra_data = ex.X_add_number;
2671 else if (operand->flags & V850E_IMMEDIATE23)
2673 expression (&ex);
2675 switch (ex.X_op)
2677 case O_constant:
2678 break;
2680 case O_illegal:
2681 errmsg = _("illegal operand");
2682 goto error;
2684 case O_absent:
2685 errmsg = _("missing operand");
2686 goto error;
2688 default:
2689 break;
2692 if (fc >= MAX_INSN_FIXUPS)
2693 as_fatal (_("too many fixups"));
2695 fixups[fc].exp = ex;
2696 fixups[fc].opindex = *opindex_ptr;
2697 fixups[fc].reloc = operand->default_reloc;
2698 ++fc;
2700 extra_data_after_insn = TRUE;
2701 extra_data_len = 2;
2702 extra_data = 0;
2704 else if (operand->flags & V850E_IMMEDIATE32)
2706 expression (&ex);
2708 switch (ex.X_op)
2710 case O_constant:
2711 if ((operand->default_reloc == BFD_RELOC_V850_32_ABS
2712 || operand->default_reloc == BFD_RELOC_V850_32_PCREL)
2713 && (ex.X_add_number & 1))
2715 errmsg = _("odd number cannot be used here");
2716 goto error;
2718 break;
2720 case O_illegal:
2721 errmsg = _("illegal operand");
2722 goto error;
2724 case O_absent:
2725 errmsg = _("missing operand");
2726 goto error;
2728 default:
2729 if (fc >= MAX_INSN_FIXUPS)
2730 as_fatal (_("too many fixups"));
2732 fixups[fc].exp = ex;
2733 fixups[fc].opindex = *opindex_ptr;
2734 fixups[fc].reloc = operand->default_reloc;
2735 ++fc;
2737 ex.X_add_number = 0;
2738 break;
2741 extra_data_after_insn = TRUE;
2742 extra_data_len = 4;
2743 extra_data = ex.X_add_number;
2745 else if (operand->flags & V850E_OPERAND_REG_LIST)
2747 errmsg = parse_register_list (&insn, operand);
2749 if (errmsg)
2750 goto error;
2752 else
2754 errmsg = NULL;
2756 if ((operand->flags & V850_OPERAND_REG) != 0)
2758 if (!register_name (&ex))
2760 errmsg = _("invalid register name");
2763 if ((operand->flags & V850_NOT_R0)
2764 && ex.X_add_number == 0)
2766 errmsg = _("register r0 cannot be used here");
2769 if (operand->flags & V850_REG_EVEN)
2771 if (ex.X_add_number % 2)
2772 errmsg = _("odd register cannot be used here");
2773 ex.X_add_number = ex.X_add_number / 2;
2777 else if ((operand->flags & V850_OPERAND_SRG) != 0)
2779 if (!system_register_name (&ex, TRUE))
2781 errmsg = _("invalid system register name");
2784 else if ((operand->flags & V850_OPERAND_EP) != 0)
2786 char *start = input_line_pointer;
2787 char *name;
2788 char c = get_symbol_name (&name);
2790 if (strcmp (name, "ep") != 0 && strcmp (name, "r30") != 0)
2792 /* Put things back the way we found them. */
2793 (void) restore_line_pointer (c);
2794 input_line_pointer = start;
2795 errmsg = _("expected EP register");
2796 goto error;
2799 (void) restore_line_pointer (c);
2800 str = input_line_pointer;
2801 input_line_pointer = hold;
2803 while (*str == ' ' || *str == ','
2804 || *str == '[' || *str == ']')
2805 ++str;
2806 continue;
2808 else if ((operand->flags & V850_OPERAND_CC) != 0)
2810 if (!cc_name (&ex, TRUE))
2812 errmsg = _("invalid condition code name");
2815 if ((operand->flags & V850_NOT_SA)
2816 && ex.X_add_number == COND_SA_NUM)
2818 errmsg = _("condition sa cannot be used here");
2821 else if ((operand->flags & V850_OPERAND_FLOAT_CC) != 0)
2823 if (!float_cc_name (&ex, TRUE))
2825 errmsg = _("invalid condition code name");
2828 else if ((operand->flags & V850_OPERAND_CACHEOP) != 0)
2830 if (!cacheop_name (&ex, TRUE))
2831 errmsg = _("invalid cache operation name");
2833 else if ((operand->flags & V850_OPERAND_PREFOP) != 0)
2835 if (!prefop_name (&ex, TRUE))
2836 errmsg = _("invalid pref operation name");
2838 else if ((operand->flags & V850_OPERAND_VREG) != 0)
2840 if (!vector_register_name (&ex))
2841 errmsg = _("invalid vector register name");
2843 else if ((register_name (&ex)
2844 && (operand->flags & V850_OPERAND_REG) == 0))
2846 char *name;
2847 char c;
2848 int exists = 0;
2850 /* It is possible that an alias has been defined that
2851 matches a register name. For example the code may
2852 include a ".set ZERO, 0" directive, which matches
2853 the register name "zero". Attempt to reparse the
2854 field as an expression, and only complain if we
2855 cannot generate a constant. */
2857 input_line_pointer = str;
2859 c = get_symbol_name (&name);
2861 if (symbol_find (name) != NULL)
2862 exists = 1;
2864 (void) restore_line_pointer (c);
2865 input_line_pointer = str;
2867 expression (&ex);
2869 if (ex.X_op != O_constant)
2871 /* If this register is actually occurring too early on
2872 the parsing of the instruction, (because another
2873 field is missing) then report this. */
2874 if (opindex_ptr[1] != 0
2875 && ((v850_operands[opindex_ptr[1]].flags
2876 & V850_OPERAND_REG)
2877 ||(v850_operands[opindex_ptr[1]].flags
2878 & V850_OPERAND_VREG)))
2879 errmsg = _("syntax error: value is missing before the register name");
2880 else
2881 errmsg = _("syntax error: register not expected");
2883 /* If we created a symbol in the process of this
2884 test then delete it now, so that it will not
2885 be output with the real symbols... */
2886 if (exists == 0
2887 && ex.X_op == O_symbol)
2888 symbol_remove (ex.X_add_symbol,
2889 &symbol_rootP, &symbol_lastP);
2892 else if (system_register_name (&ex, FALSE)
2893 && (operand->flags & V850_OPERAND_SRG) == 0)
2895 errmsg = _("syntax error: system register not expected");
2897 else if (cc_name (&ex, FALSE)
2898 && (operand->flags & V850_OPERAND_CC) == 0)
2900 errmsg = _("syntax error: condition code not expected");
2902 else if (float_cc_name (&ex, FALSE)
2903 && (operand->flags & V850_OPERAND_FLOAT_CC) == 0)
2905 errmsg = _("syntax error: condition code not expected");
2907 else if (vector_register_name (&ex)
2908 && (operand->flags & V850_OPERAND_VREG) == 0)
2910 errmsg = _("syntax error: vector register not expected");
2912 else
2914 expression (&ex);
2916 if ((operand->flags & V850_NOT_IMM0)
2917 && ex.X_op == O_constant
2918 && ex.X_add_number == 0)
2920 errmsg = _("immediate 0 cannot be used here");
2923 /* Special case:
2924 If we are assembling a MOV/JARL/JR instruction and the immediate
2925 value does not fit into the bits available then create a
2926 fake error so that the next MOV/JARL/JR instruction will be
2927 selected. This one has a 32 bit immediate field. */
2929 if ((strcmp (opcode->name, "mov") == 0
2930 || strcmp (opcode->name, "jarl") == 0
2931 || strcmp (opcode->name, "jr") == 0)
2932 && ex.X_op == O_constant
2933 && (ex.X_add_number < (-(1 << (operand->bits - 1)))
2934 || ex.X_add_number > ((1 << (operand->bits - 1)) - 1)))
2936 errmsg = _("immediate operand is too large");
2939 if ((strcmp (opcode->name, "jarl") == 0
2940 || strcmp (opcode->name, "jr") == 0)
2941 && ex.X_op != O_constant
2942 && operand->bits != default_disp_size)
2944 errmsg = _("immediate operand is not match");
2947 /* Special case2 :
2948 If we are assembling a ld/st instruction and the immediate
2949 value does not fit into the bits available then create a
2950 fake error so that the next ld/st instruction will be
2951 selected. */
2952 if ( ( (strncmp (opcode->name, "st.", 3) == 0)
2953 || (strncmp (opcode->name, "ld.", 3) == 0))
2954 && ex.X_op == O_constant
2955 && (ex.X_add_number < (-(1 << (operand->bits - 1)))
2956 || ex.X_add_number > ((1 << (operand->bits - 1)) - 1)))
2957 errmsg = _("displacement is too large");
2960 if (errmsg)
2961 goto error;
2963 switch (ex.X_op)
2965 case O_illegal:
2966 errmsg = _("illegal operand");
2967 goto error;
2968 case O_absent:
2969 errmsg = _("missing operand");
2970 goto error;
2971 case O_register:
2972 if ((operand->flags
2973 & (V850_OPERAND_REG | V850_OPERAND_SRG | V850_OPERAND_VREG)) == 0)
2975 errmsg = _("invalid operand");
2976 goto error;
2979 insn = v850_insert_operand (insn, operand,
2980 ex.X_add_number,
2981 &warningmsg);
2983 break;
2985 case O_constant:
2986 insn = v850_insert_operand (insn, operand, ex.X_add_number,
2987 &warningmsg);
2988 break;
2990 default:
2991 /* We need to generate a fixup for this expression. */
2992 if (fc >= MAX_INSN_FIXUPS)
2993 as_fatal (_("too many fixups"));
2995 fixups[fc].exp = ex;
2996 fixups[fc].opindex = *opindex_ptr;
2997 fixups[fc].reloc = BFD_RELOC_NONE;
2998 ++fc;
2999 break;
3003 str = input_line_pointer;
3004 input_line_pointer = hold;
3006 while (*str == ' ' || *str == ',' || *str == '[' || *str == ']'
3007 || *str == ')')
3008 ++str;
3011 while (ISSPACE (*str))
3012 ++str;
3014 if (*str == '\0')
3015 match = 1;
3017 error:
3018 if (match == 0)
3020 if ((opindex_ptr - opcode->operands) >= most_match_count)
3022 most_match_count = opindex_ptr - opcode->operands;
3023 if (errmsg != NULL)
3024 strncpy (most_match_errmsg, errmsg, sizeof (most_match_errmsg)-1);
3027 next_opcode = opcode + 1;
3028 if (next_opcode->name != NULL
3029 && strcmp (next_opcode->name, opcode->name) == 0)
3031 opcode = next_opcode;
3033 /* Skip versions that are not supported by the target
3034 processor. */
3035 if ((opcode->processors & processor_mask) == 0)
3036 goto error;
3038 continue;
3041 if (most_match_errmsg[0] == 0)
3042 /* xgettext:c-format. */
3043 as_bad (_("junk at end of line: `%s'"), str);
3044 else
3045 as_bad ("%s: %s", copy_of_instruction, most_match_errmsg);
3047 if (*input_line_pointer == ']')
3048 ++input_line_pointer;
3050 ignore_rest_of_line ();
3051 input_line_pointer = saved_input_line_pointer;
3052 return;
3055 if (warningmsg != NULL)
3056 as_warn ("%s", warningmsg);
3057 break;
3060 input_line_pointer = str;
3062 /* Tie dwarf2 debug info to the address at the start of the insn.
3063 We can't do this after the insn has been output as the current
3064 frag may have been closed off. eg. by frag_var. */
3065 dwarf2_emit_insn (0);
3067 /* Write out the instruction. */
3068 if (relaxable && fc > 0)
3070 insn_size = 2;
3071 fc = 0;
3073 if (strcmp (opcode->name, "loop") == 0)
3075 if (((processor_mask & PROCESSOR_V850E3V5_UP) == 0) || default_disp_size == 22)
3077 insn_size = 4;
3078 f = frag_var (rs_machine_dependent, 6, 2, SUBYPTE_LOOP_16_22,
3079 fixups[0].exp.X_add_symbol,
3080 fixups[0].exp.X_add_number,
3081 (char *)(size_t) fixups[0].opindex);
3082 md_number_to_chars (f, insn, insn_size);
3083 md_number_to_chars (f+4, 0, 4);
3085 else
3087 as_bad (_("loop: 32-bit displacement not supported"));
3090 else if (strcmp (opcode->name, "br") == 0
3091 || strcmp (opcode->name, "jbr") == 0)
3093 if ((processor_mask & PROCESSOR_V850E2_UP) == 0 || default_disp_size == 22)
3095 f = frag_var (rs_machine_dependent, 4, 2, SUBYPTE_UNCOND_9_22,
3096 fixups[0].exp.X_add_symbol,
3097 fixups[0].exp.X_add_number,
3098 (char *)(size_t) fixups[0].opindex);
3099 md_number_to_chars (f, insn, insn_size);
3100 md_number_to_chars (f + 2, 0, 2);
3102 else
3104 f = frag_var (rs_machine_dependent, 6, 4, SUBYPTE_UNCOND_9_22_32,
3105 fixups[0].exp.X_add_symbol,
3106 fixups[0].exp.X_add_number,
3107 (char *)(size_t) fixups[0].opindex);
3108 md_number_to_chars (f, insn, insn_size);
3109 md_number_to_chars (f + 2, 0, 4);
3112 else /* b<cond>, j<cond>. */
3114 if (default_disp_size == 22
3115 || (processor_mask & PROCESSOR_V850E2_UP) == 0)
3117 if (processor_mask & PROCESSOR_V850E2V3_UP && !no_bcond17)
3119 if (strcmp (opcode->name, "bsa") == 0)
3121 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_SA_9_17_22,
3122 fixups[0].exp.X_add_symbol,
3123 fixups[0].exp.X_add_number,
3124 (char *)(size_t) fixups[0].opindex);
3125 md_number_to_chars (f, insn, insn_size);
3126 md_number_to_chars (f + 2, 0, 6);
3128 else
3130 f = frag_var (rs_machine_dependent, 6, 4, SUBYPTE_COND_9_17_22,
3131 fixups[0].exp.X_add_symbol,
3132 fixups[0].exp.X_add_number,
3133 (char *)(size_t) fixups[0].opindex);
3134 md_number_to_chars (f, insn, insn_size);
3135 md_number_to_chars (f + 2, 0, 4);
3138 else
3140 if (strcmp (opcode->name, "bsa") == 0)
3142 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_SA_9_22,
3143 fixups[0].exp.X_add_symbol,
3144 fixups[0].exp.X_add_number,
3145 (char *)(size_t) fixups[0].opindex);
3146 md_number_to_chars (f, insn, insn_size);
3147 md_number_to_chars (f + 2, 0, 6);
3149 else
3151 f = frag_var (rs_machine_dependent, 6, 4, SUBYPTE_COND_9_22,
3152 fixups[0].exp.X_add_symbol,
3153 fixups[0].exp.X_add_number,
3154 (char *)(size_t) fixups[0].opindex);
3155 md_number_to_chars (f, insn, insn_size);
3156 md_number_to_chars (f + 2, 0, 4);
3160 else
3162 if (processor_mask & PROCESSOR_V850E2V3_UP && !no_bcond17)
3164 if (strcmp (opcode->name, "bsa") == 0)
3166 f = frag_var (rs_machine_dependent, 10, 8, SUBYPTE_SA_9_17_22_32,
3167 fixups[0].exp.X_add_symbol,
3168 fixups[0].exp.X_add_number,
3169 (char *)(size_t) fixups[0].opindex);
3170 md_number_to_chars (f, insn, insn_size);
3171 md_number_to_chars (f + 2, 0, 8);
3173 else
3175 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_COND_9_17_22_32,
3176 fixups[0].exp.X_add_symbol,
3177 fixups[0].exp.X_add_number,
3178 (char *)(size_t) fixups[0].opindex);
3179 md_number_to_chars (f, insn, insn_size);
3180 md_number_to_chars (f + 2, 0, 6);
3183 else
3185 if (strcmp (opcode->name, "bsa") == 0)
3187 f = frag_var (rs_machine_dependent, 10, 8, SUBYPTE_SA_9_22_32,
3188 fixups[0].exp.X_add_symbol,
3189 fixups[0].exp.X_add_number,
3190 (char *)(size_t) fixups[0].opindex);
3191 md_number_to_chars (f, insn, insn_size);
3192 md_number_to_chars (f + 2, 0, 8);
3194 else
3196 f = frag_var (rs_machine_dependent, 8, 6, SUBYPTE_COND_9_22_32,
3197 fixups[0].exp.X_add_symbol,
3198 fixups[0].exp.X_add_number,
3199 (char *)(size_t) fixups[0].opindex);
3200 md_number_to_chars (f, insn, insn_size);
3201 md_number_to_chars (f + 2, 0, 6);
3207 else
3209 /* Four byte insns have an opcode with the two high bits on. */
3210 if ((insn & 0x0600) == 0x0600)
3211 insn_size = 4;
3212 else
3213 insn_size = 2;
3215 /* Special case: 32 bit MOV. */
3216 if ((insn & 0xffe0) == 0x0620)
3217 insn_size = 2;
3219 /* Special case: 32 bit JARL,JMP,JR. */
3220 if ((insn & 0x1ffe0) == 0x2e0 /* JARL. */
3221 || (insn & 0x1ffe0) == 0x6e0 /* JMP. */
3222 || (insn & 0x1ffff) == 0x2e0) /* JR. */
3223 insn_size = 2;
3225 if (obstack_room (& frchain_now->frch_obstack) < (insn_size + extra_data_len))
3227 frag_wane (frag_now);
3228 frag_new (0);
3231 f = frag_more (insn_size);
3232 md_number_to_chars (f, insn, insn_size);
3234 if (extra_data_after_insn)
3236 f = frag_more (extra_data_len);
3237 md_number_to_chars (f, extra_data, extra_data_len);
3239 extra_data_after_insn = FALSE;
3243 /* Create any fixups. At this point we do not use a
3244 bfd_reloc_code_real_type, but instead just use the
3245 BFD_RELOC_UNUSED plus the operand index. This lets us easily
3246 handle fixups for any operand type, although that is admittedly
3247 not a very exciting feature. We pick a BFD reloc type in
3248 md_apply_fix. */
3249 for (i = 0; i < fc; i++)
3251 const struct v850_operand *operand;
3252 bfd_reloc_code_real_type reloc;
3254 operand = &v850_operands[fixups[i].opindex];
3256 reloc = fixups[i].reloc;
3258 if (reloc != BFD_RELOC_NONE)
3260 reloc_howto_type *reloc_howto =
3261 bfd_reloc_type_lookup (stdoutput, reloc);
3262 int size;
3263 int address;
3264 fixS *fixP;
3266 if (!reloc_howto)
3267 abort ();
3269 size = bfd_get_reloc_size (reloc_howto);
3271 /* XXX This will abort on an R_V850_8 reloc -
3272 is this reloc actually used? */
3273 if (size != 2 && size != 4)
3274 abort ();
3276 if (extra_data_len == 0)
3278 address = (f - frag_now->fr_literal) + insn_size - size;
3280 else
3282 address = (f - frag_now->fr_literal) + extra_data_len - size;
3285 if ((operand->flags & V850E_IMMEDIATE32) && (operand->flags & V850_PCREL))
3287 fixups[i].exp.X_add_number += 2;
3289 else if (operand->default_reloc == BFD_RELOC_V850_16_PCREL)
3291 fixups[i].exp.X_add_number += 2;
3292 address += 2;
3295 /* fprintf (stderr, "0x%x %d %ld\n", address, size, fixups[i].exp.X_add_number); */
3296 fixP = fix_new_exp (frag_now, address, size,
3297 &fixups[i].exp,
3298 reloc_howto->pc_relative,
3299 reloc);
3301 fixP->tc_fix_data = (void *) operand;
3303 switch (reloc)
3305 case BFD_RELOC_LO16:
3306 case BFD_RELOC_V850_LO16_S1:
3307 case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
3308 case BFD_RELOC_HI16:
3309 case BFD_RELOC_HI16_S:
3310 fixP->fx_no_overflow = 1;
3311 break;
3312 default:
3313 break;
3316 else
3318 gas_assert (f != NULL);
3319 fix_new_exp (frag_now,
3320 f - frag_now->fr_literal, 4,
3321 & fixups[i].exp,
3322 (operand->flags & V850_PCREL) != 0,
3323 (bfd_reloc_code_real_type) (fixups[i].opindex
3324 + (int) BFD_RELOC_UNUSED));
3328 input_line_pointer = saved_input_line_pointer;
3331 /* If while processing a fixup, a reloc really needs to be created
3332 then it is done here. */
3334 arelent *
3335 tc_gen_reloc (asection *seg ATTRIBUTE_UNUSED, fixS *fixp)
3337 arelent *reloc;
3339 reloc = XNEW (arelent);
3340 reloc->sym_ptr_ptr = XNEW (asymbol *);
3341 *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
3342 reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
3344 if ( fixp->fx_r_type == BFD_RELOC_VTABLE_ENTRY
3345 || fixp->fx_r_type == BFD_RELOC_VTABLE_INHERIT
3346 || fixp->fx_r_type == BFD_RELOC_V850_LONGCALL
3347 || fixp->fx_r_type == BFD_RELOC_V850_LONGJUMP
3348 || fixp->fx_r_type == BFD_RELOC_V850_ALIGN)
3349 reloc->addend = fixp->fx_offset;
3350 else
3352 #if 0
3353 if (fixp->fx_r_type == BFD_RELOC_32
3354 && fixp->fx_pcrel)
3355 fixp->fx_r_type = BFD_RELOC_32_PCREL;
3356 #endif
3358 reloc->addend = fixp->fx_addnumber;
3361 reloc->howto = bfd_reloc_type_lookup (stdoutput, fixp->fx_r_type);
3363 if (reloc->howto == NULL)
3365 as_bad_where (fixp->fx_file, fixp->fx_line,
3366 /* xgettext:c-format */
3367 _("reloc %d not supported by object file format"),
3368 (int) fixp->fx_r_type);
3370 xfree (reloc);
3372 return NULL;
3375 return reloc;
3378 void
3379 v850_handle_align (fragS * frag)
3381 if (v850_relax
3382 && frag->fr_type == rs_align
3383 && frag->fr_address + frag->fr_fix > 0
3384 && frag->fr_offset > 1
3385 && now_seg != bss_section
3386 && now_seg != v850_seg_table[SBSS_SECTION].s
3387 && now_seg != v850_seg_table[TBSS_SECTION].s
3388 && now_seg != v850_seg_table[ZBSS_SECTION].s)
3389 fix_new (frag, frag->fr_fix, 2, & abs_symbol, frag->fr_offset, 0,
3390 BFD_RELOC_V850_ALIGN);
3393 /* Return current size of variable part of frag. */
3396 md_estimate_size_before_relax (fragS *fragp, asection *seg ATTRIBUTE_UNUSED)
3398 if (fragp->fr_subtype >= sizeof (md_relax_table) / sizeof (md_relax_table[0]))
3399 abort ();
3401 return md_relax_table[fragp->fr_subtype].rlx_length;
3404 long
3405 v850_pcrel_from_section (fixS *fixp, segT section)
3407 /* If the symbol is undefined, or in a section other than our own,
3408 or it is weak (in which case it may well be in another section,
3409 then let the linker figure it out. */
3410 if (fixp->fx_addsy != (symbolS *) NULL
3411 && (! S_IS_DEFINED (fixp->fx_addsy)
3412 || S_IS_WEAK (fixp->fx_addsy)
3413 || (S_GET_SEGMENT (fixp->fx_addsy) != section)))
3414 return 0;
3416 return fixp->fx_frag->fr_address + fixp->fx_where;
3419 void
3420 md_apply_fix (fixS *fixP, valueT *valueP, segT seg ATTRIBUTE_UNUSED)
3422 valueT value = * valueP;
3423 char *where;
3425 if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
3426 || fixP->fx_r_type == BFD_RELOC_V850_LONGCALL
3427 || fixP->fx_r_type == BFD_RELOC_V850_LONGJUMP
3428 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
3430 fixP->fx_done = 0;
3431 return;
3434 if (fixP->fx_addsy == (symbolS *) NULL)
3435 fixP->fx_addnumber = value,
3436 fixP->fx_done = 1;
3438 else if (fixP->fx_pcrel)
3439 fixP->fx_addnumber = fixP->fx_offset;
3441 else
3443 value = fixP->fx_offset;
3444 if (fixP->fx_subsy != (symbolS *) NULL)
3446 if (S_GET_SEGMENT (fixP->fx_subsy) == absolute_section)
3447 value -= S_GET_VALUE (fixP->fx_subsy);
3448 else
3449 /* We don't actually support subtracting a symbol. */
3450 as_bad_where (fixP->fx_file, fixP->fx_line,
3451 _("expression too complex"));
3453 fixP->fx_addnumber = value;
3456 if ((int) fixP->fx_r_type >= (int) BFD_RELOC_UNUSED)
3458 int opindex;
3459 const struct v850_operand *operand;
3460 unsigned long insn;
3461 const char *errmsg = NULL;
3463 opindex = (int) fixP->fx_r_type - (int) BFD_RELOC_UNUSED;
3464 operand = &v850_operands[opindex];
3466 /* Fetch the instruction, insert the fully resolved operand
3467 value, and stuff the instruction back again.
3469 Note the instruction has been stored in little endian
3470 format! */
3471 where = fixP->fx_frag->fr_literal + fixP->fx_where;
3473 if (fixP->fx_size > 2)
3474 insn = bfd_getl32 ((unsigned char *) where);
3475 else
3476 insn = bfd_getl16 ((unsigned char *) where);
3478 /* When inserting loop offsets a backwards displacement
3479 is encoded as a positive value. */
3480 if (operand->flags & V850_INVERSE_PCREL)
3481 value = - value;
3483 insn = v850_insert_operand (insn, operand, (offsetT) value,
3484 &errmsg);
3485 if (errmsg)
3486 as_warn_where (fixP->fx_file, fixP->fx_line, "%s", errmsg);
3488 if (fixP->fx_size > 2)
3489 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
3490 else
3491 bfd_putl16 ((bfd_vma) insn, (unsigned char *) where);
3493 if (fixP->fx_done)
3494 /* Nothing else to do here. */
3495 return;
3497 /* Determine a BFD reloc value based on the operand information.
3498 We are only prepared to turn a few of the operands into relocs. */
3500 if (operand->default_reloc == BFD_RELOC_NONE)
3502 as_bad_where (fixP->fx_file, fixP->fx_line,
3503 _("unresolved expression that must be resolved"));
3504 fixP->fx_done = 1;
3505 return;
3509 fixP->fx_r_type = operand->default_reloc;
3510 if (operand->default_reloc == BFD_RELOC_V850_16_PCREL)
3512 fixP->fx_where += 2;
3513 fixP->fx_size = 2;
3514 fixP->fx_addnumber += 2;
3518 else if (fixP->fx_done)
3520 /* We still have to insert the value into memory! */
3521 where = fixP->fx_frag->fr_literal + fixP->fx_where;
3523 if (fixP->tc_fix_data != NULL
3524 && ((struct v850_operand *) fixP->tc_fix_data)->insert != NULL)
3526 const char * message = NULL;
3527 struct v850_operand * operand = (struct v850_operand *) fixP->tc_fix_data;
3528 unsigned long insn;
3530 /* The variable "where" currently points at the exact point inside
3531 the insn where we need to insert the value. But we need to
3532 extract the entire insn so we probably need to move "where"
3533 back a few bytes. */
3535 if (fixP->fx_size == 2)
3536 where -= 2;
3537 else if (fixP->fx_size == 1)
3538 where -= 3;
3540 insn = bfd_getl32 ((unsigned char *) where);
3542 /* Use the operand's insertion procedure, if present, in order to
3543 make sure that the value is correctly stored in the insn. */
3544 insn = operand->insert (insn, (offsetT) value, & message);
3545 /* Ignore message even if it is set. */
3547 bfd_putl32 ((bfd_vma) insn, (unsigned char *) where);
3549 else
3551 switch (fixP->fx_r_type)
3553 case BFD_RELOC_V850_32_ABS:
3554 case BFD_RELOC_V850_32_PCREL:
3555 bfd_putl32 (value & 0xfffffffe, (unsigned char *) where);
3556 break;
3558 case BFD_RELOC_32:
3559 bfd_putl32 (value, (unsigned char *) where);
3560 break;
3562 case BFD_RELOC_V850_23:
3563 bfd_putl32 (((value & 0x7f) << 4) | ((value & 0x7fff80) << (16-7))
3564 | (bfd_getl32 (where) & ~((0x7f << 4) | (0xffff << 16))),
3565 (unsigned char *) where);
3566 break;
3568 case BFD_RELOC_16:
3569 case BFD_RELOC_HI16:
3570 case BFD_RELOC_HI16_S:
3571 case BFD_RELOC_LO16:
3572 case BFD_RELOC_V850_ZDA_16_16_OFFSET:
3573 case BFD_RELOC_V850_SDA_16_16_OFFSET:
3574 case BFD_RELOC_V850_TDA_16_16_OFFSET:
3575 case BFD_RELOC_V850_CALLT_16_16_OFFSET:
3576 bfd_putl16 (value & 0xffff, (unsigned char *) where);
3577 break;
3579 case BFD_RELOC_8:
3580 *where = value & 0xff;
3581 break;
3583 case BFD_RELOC_V850_9_PCREL:
3584 bfd_putl16 (((value & 0x1f0) << 7) | ((value & 0x0e) << 3)
3585 | (bfd_getl16 (where) & ~((0x1f0 << 7) | (0x0e << 3))), where);
3586 break;
3588 case BFD_RELOC_V850_17_PCREL:
3589 bfd_putl32 (((value & 0x10000) >> (16 - 4)) | ((value & 0xfffe) << 16)
3590 | (bfd_getl32 (where) & ~((0x10000 >> (16 - 4)) | (0xfffe << 16))), where);
3591 break;
3593 case BFD_RELOC_V850_16_PCREL:
3594 bfd_putl16 ((-value & 0xfffe) | (bfd_getl16 (where + 2) & 0x0001),
3595 (unsigned char *) (where + 2));
3596 break;
3598 case BFD_RELOC_V850_22_PCREL:
3599 bfd_putl32 (((value & 0xfffe) << 16) | ((value & 0x3f0000) >> 16)
3600 | (bfd_getl32 (where) & ~((0xfffe << 16) | (0x3f0000 >> 16))), where);
3601 break;
3603 case BFD_RELOC_V850_16_S1:
3604 case BFD_RELOC_V850_LO16_S1:
3605 case BFD_RELOC_V850_ZDA_15_16_OFFSET:
3606 case BFD_RELOC_V850_SDA_15_16_OFFSET:
3607 bfd_putl16 (value & 0xfffe, (unsigned char *) where);
3608 break;
3610 case BFD_RELOC_V850_16_SPLIT_OFFSET:
3611 case BFD_RELOC_V850_LO16_SPLIT_OFFSET:
3612 case BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET:
3613 case BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET:
3614 bfd_putl32 (((value << 16) & 0xfffe0000)
3615 | ((value << 5) & 0x20)
3616 | (bfd_getl32 (where) & ~0xfffe0020), where);
3617 break;
3619 case BFD_RELOC_V850_TDA_6_8_OFFSET:
3620 *where = (*where & ~0x7e) | ((value >> 1) & 0x7e);
3621 break;
3623 case BFD_RELOC_V850_TDA_7_8_OFFSET:
3624 *where = (*where & ~0x7f) | ((value >> 1) & 0x7f);
3625 break;
3627 case BFD_RELOC_V850_TDA_7_7_OFFSET:
3628 *where = (*where & ~0x7f) | (value & 0x7f);
3629 break;
3631 case BFD_RELOC_V850_TDA_4_5_OFFSET:
3632 *where = (*where & ~0xf) | ((value >> 1) & 0xf);
3633 break;
3635 case BFD_RELOC_V850_TDA_4_4_OFFSET:
3636 *where = (*where & ~0xf) | (value & 0xf);
3637 break;
3639 case BFD_RELOC_V850_CALLT_6_7_OFFSET:
3640 *where = (*where & ~0x3f) | (value & 0x3f);
3641 break;
3643 default:
3644 abort ();
3650 /* Parse a cons expression. We have to handle hi(), lo(), etc
3651 on the v850. */
3653 bfd_reloc_code_real_type
3654 parse_cons_expression_v850 (expressionS *exp)
3656 const char *errmsg;
3657 bfd_reloc_code_real_type r;
3659 /* See if there's a reloc prefix like hi() we have to handle. */
3660 r = v850_reloc_prefix (NULL, &errmsg);
3662 /* Do normal expression parsing. */
3663 expression (exp);
3664 return r;
3667 /* Create a fixup for a cons expression. If parse_cons_expression_v850
3668 found a reloc prefix, then we use that reloc, else we choose an
3669 appropriate one based on the size of the expression. */
3671 void
3672 cons_fix_new_v850 (fragS *frag,
3673 int where,
3674 int size,
3675 expressionS *exp,
3676 bfd_reloc_code_real_type r)
3678 if (r == BFD_RELOC_NONE)
3680 if (size == 4)
3681 r = BFD_RELOC_32;
3682 if (size == 2)
3683 r = BFD_RELOC_16;
3684 if (size == 1)
3685 r = BFD_RELOC_8;
3688 if (exp != NULL)
3689 fix_new_exp (frag, where, size, exp, 0, r);
3690 else
3691 fix_new (frag, where, size, NULL, 0, 0, r);
3694 bfd_boolean
3695 v850_fix_adjustable (fixS *fixP)
3697 if (fixP->fx_addsy == NULL)
3698 return 1;
3700 /* Don't adjust function names. */
3701 if (S_IS_FUNCTION (fixP->fx_addsy))
3702 return 0;
3704 /* We need the symbol name for the VTABLE entries. */
3705 if (fixP->fx_r_type == BFD_RELOC_VTABLE_INHERIT
3706 || fixP->fx_r_type == BFD_RELOC_VTABLE_ENTRY)
3707 return 0;
3709 return 1;
3713 v850_force_relocation (struct fix *fixP)
3715 if (fixP->fx_r_type == BFD_RELOC_V850_LONGCALL
3716 || fixP->fx_r_type == BFD_RELOC_V850_LONGJUMP)
3717 return 1;
3719 if (v850_relax
3720 && (fixP->fx_pcrel
3721 || fixP->fx_r_type == BFD_RELOC_V850_ALIGN
3722 || fixP->fx_r_type == BFD_RELOC_V850_9_PCREL
3723 || fixP->fx_r_type == BFD_RELOC_V850_16_PCREL
3724 || fixP->fx_r_type == BFD_RELOC_V850_17_PCREL
3725 || fixP->fx_r_type == BFD_RELOC_V850_22_PCREL
3726 || fixP->fx_r_type == BFD_RELOC_V850_32_PCREL
3727 || fixP->fx_r_type >= BFD_RELOC_UNUSED))
3728 return 1;
3730 return generic_force_reloc (fixP);
3733 /* Create a v850 note section. */
3734 void
3735 v850_md_end (void)
3737 segT note_sec;
3738 segT orig_seg = now_seg;
3739 subsegT orig_subseg = now_subseg;
3740 enum v850_notes id;
3742 note_sec = subseg_new (V850_NOTE_SECNAME, 0);
3743 bfd_set_section_flags (stdoutput, note_sec, SEC_HAS_CONTENTS | SEC_READONLY | SEC_MERGE);
3744 bfd_set_section_alignment (stdoutput, note_sec, 2);
3746 /* Provide default values for all of the notes. */
3747 for (id = V850_NOTE_ALIGNMENT; id <= NUM_V850_NOTES; id++)
3749 int val = 0;
3750 char * p;
3752 /* Follow the standard note section layout:
3753 First write the length of the name string. */
3754 p = frag_more (4);
3755 md_number_to_chars (p, 4, 4);
3757 /* Next comes the length of the "descriptor", i.e., the actual data. */
3758 p = frag_more (4);
3759 md_number_to_chars (p, 4, 4);
3761 /* Write the note type. */
3762 p = frag_more (4);
3763 md_number_to_chars (p, (valueT) id, 4);
3765 /* Write the name field. */
3766 p = frag_more (4);
3767 memcpy (p, V850_NOTE_NAME, 4);
3769 /* Finally, write the descriptor. */
3770 p = frag_more (4);
3771 switch (id)
3773 case V850_NOTE_ALIGNMENT:
3774 val = v850_data_8 ? EF_RH850_DATA_ALIGN8 : EF_RH850_DATA_ALIGN4;
3775 break;
3777 case V850_NOTE_DATA_SIZE:
3778 /* GCC does not currently support an option
3779 for 32-bit doubles with the V850 backend. */
3780 val = EF_RH850_DOUBLE64;
3781 break;
3783 case V850_NOTE_FPU_INFO:
3784 if (! soft_float)
3785 switch (machine)
3787 case bfd_mach_v850e3v5: val = EF_RH850_FPU30; break;
3788 case bfd_mach_v850e2v3: val = EF_RH850_FPU20; break;
3789 default: break;
3791 break;
3793 default:
3794 break;
3796 md_number_to_chars (p, val, 4);
3799 /* Paranoia - we probably do not need this. */
3800 subseg_set (orig_seg, orig_subseg);