1 /* DO NOT EDIT! -*- buffer-read-only: t -*- vi:set ro: */
2 /* Instruction building/extraction support for lm32. -*- C -*-
4 THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
5 - the resultant file is machine generated, cgen-ibld.in isn't
7 Copyright (C) 1996-2018 Free Software Foundation, Inc.
9 This file is part of libopcodes.
11 This library is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 3, or (at your option)
16 It is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
18 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
19 License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software Foundation, Inc.,
23 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
25 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
34 #include "lm32-desc.h"
36 #include "cgen/basic-modes.h"
38 #include "safe-ctype.h"
41 #define min(a,b) ((a) < (b) ? (a) : (b))
43 #define max(a,b) ((a) > (b) ? (a) : (b))
45 /* Used by the ifield rtx function. */
46 #define FLD(f) (fields->f)
48 static const char * insert_normal
49 (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
50 unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
51 static const char * insert_insn_normal
52 (CGEN_CPU_DESC, const CGEN_INSN *,
53 CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
54 static int extract_normal
55 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
56 unsigned int, unsigned int, unsigned int, unsigned int,
57 unsigned int, unsigned int, bfd_vma, long *);
58 static int extract_insn_normal
59 (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
60 CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
62 static void put_insn_int_value
63 (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
66 static CGEN_INLINE void insert_1
67 (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
68 static CGEN_INLINE int fill_cache
69 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma);
70 static CGEN_INLINE long extract_1
71 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
74 /* Operand insertion. */
78 /* Subroutine of insert_normal. */
80 static CGEN_INLINE void
81 insert_1 (CGEN_CPU_DESC cd,
91 x = cgen_get_insn_value (cd, bufp, word_length);
93 /* Written this way to avoid undefined behaviour. */
94 mask = (((1L << (length - 1)) - 1) << 1) | 1;
96 shift = (start + 1) - length;
98 shift = (word_length - (start + length));
99 x = (x & ~(mask << shift)) | ((value & mask) << shift);
101 cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
104 #endif /* ! CGEN_INT_INSN_P */
106 /* Default insertion routine.
108 ATTRS is a mask of the boolean attributes.
109 WORD_OFFSET is the offset in bits from the start of the insn of the value.
110 WORD_LENGTH is the length of the word in bits in which the value resides.
111 START is the starting bit number in the word, architecture origin.
112 LENGTH is the length of VALUE in bits.
113 TOTAL_LENGTH is the total length of the insn in bits.
115 The result is an error message or NULL if success. */
117 /* ??? This duplicates functionality with bfd's howto table and
118 bfd_install_relocation. */
119 /* ??? This doesn't handle bfd_vma's. Create another function when
123 insert_normal (CGEN_CPU_DESC cd,
126 unsigned int word_offset,
129 unsigned int word_length,
130 unsigned int total_length,
131 CGEN_INSN_BYTES_PTR buffer)
133 static char errbuf[100];
134 /* Written this way to avoid undefined behaviour. */
135 unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
137 /* If LENGTH is zero, this operand doesn't contribute to the value. */
141 if (word_length > 8 * sizeof (CGEN_INSN_INT))
144 /* For architectures with insns smaller than the base-insn-bitsize,
145 word_length may be too big. */
146 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
149 && word_length > total_length)
150 word_length = total_length;
153 /* Ensure VALUE will fit. */
154 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
156 long minval = - (1L << (length - 1));
157 unsigned long maxval = mask;
159 if ((value > 0 && (unsigned long) value > maxval)
162 /* xgettext:c-format */
164 _("operand out of range (%ld not between %ld and %lu)"),
165 value, minval, maxval);
169 else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
171 unsigned long maxval = mask;
172 unsigned long val = (unsigned long) value;
174 /* For hosts with a word size > 32 check to see if value has been sign
175 extended beyond 32 bits. If so then ignore these higher sign bits
176 as the user is attempting to store a 32-bit signed value into an
177 unsigned 32-bit field which is allowed. */
178 if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
183 /* xgettext:c-format */
185 _("operand out of range (0x%lx not between 0 and 0x%lx)"),
192 if (! cgen_signed_overflow_ok_p (cd))
194 long minval = - (1L << (length - 1));
195 long maxval = (1L << (length - 1)) - 1;
197 if (value < minval || value > maxval)
200 /* xgettext:c-format */
201 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
202 value, minval, maxval);
211 int shift_within_word, shift_to_word, shift;
213 /* How to shift the value to BIT0 of the word. */
214 shift_to_word = total_length - (word_offset + word_length);
216 /* How to shift the value to the field within the word. */
217 if (CGEN_INSN_LSB0_P)
218 shift_within_word = start + 1 - length;
220 shift_within_word = word_length - start - length;
222 /* The total SHIFT, then mask in the value. */
223 shift = shift_to_word + shift_within_word;
224 *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
227 #else /* ! CGEN_INT_INSN_P */
230 unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
232 insert_1 (cd, value, start, length, word_length, bufp);
235 #endif /* ! CGEN_INT_INSN_P */
240 /* Default insn builder (insert handler).
241 The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
242 that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
243 recorded in host byte order, otherwise BUFFER is an array of bytes
244 and the value is recorded in target byte order).
245 The result is an error message or NULL if success. */
248 insert_insn_normal (CGEN_CPU_DESC cd,
249 const CGEN_INSN * insn,
250 CGEN_FIELDS * fields,
251 CGEN_INSN_BYTES_PTR buffer,
254 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
256 const CGEN_SYNTAX_CHAR_TYPE * syn;
258 CGEN_INIT_INSERT (cd);
259 value = CGEN_INSN_BASE_VALUE (insn);
261 /* If we're recording insns as numbers (rather than a string of bytes),
262 target byte order handling is deferred until later. */
266 put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
267 CGEN_FIELDS_BITSIZE (fields), value);
271 cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
272 (unsigned) CGEN_FIELDS_BITSIZE (fields)),
275 #endif /* ! CGEN_INT_INSN_P */
277 /* ??? It would be better to scan the format's fields.
278 Still need to be able to insert a value based on the operand though;
279 e.g. storing a branch displacement that got resolved later.
280 Needs more thought first. */
282 for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
286 if (CGEN_SYNTAX_CHAR_P (* syn))
289 errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
299 /* Cover function to store an insn value into an integral insn. Must go here
300 because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
303 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
304 CGEN_INSN_BYTES_PTR buf,
309 /* For architectures with insns smaller than the base-insn-bitsize,
310 length may be too big. */
311 if (length > insn_length)
315 int shift = insn_length - length;
316 /* Written this way to avoid undefined behaviour. */
317 CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
319 *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
324 /* Operand extraction. */
326 #if ! CGEN_INT_INSN_P
328 /* Subroutine of extract_normal.
329 Ensure sufficient bytes are cached in EX_INFO.
330 OFFSET is the offset in bytes from the start of the insn of the value.
331 BYTES is the length of the needed value.
332 Returns 1 for success, 0 for failure. */
334 static CGEN_INLINE int
335 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
336 CGEN_EXTRACT_INFO *ex_info,
341 /* It's doubtful that the middle part has already been fetched so
342 we don't optimize that case. kiss. */
344 disassemble_info *info = (disassemble_info *) ex_info->dis_info;
346 /* First do a quick check. */
347 mask = (1 << bytes) - 1;
348 if (((ex_info->valid >> offset) & mask) == mask)
351 /* Search for the first byte we need to read. */
352 for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
353 if (! (mask & ex_info->valid))
361 status = (*info->read_memory_func)
362 (pc, ex_info->insn_bytes + offset, bytes, info);
366 (*info->memory_error_func) (status, pc, info);
370 ex_info->valid |= ((1 << bytes) - 1) << offset;
376 /* Subroutine of extract_normal. */
378 static CGEN_INLINE long
379 extract_1 (CGEN_CPU_DESC cd,
380 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
385 bfd_vma pc ATTRIBUTE_UNUSED)
390 x = cgen_get_insn_value (cd, bufp, word_length);
392 if (CGEN_INSN_LSB0_P)
393 shift = (start + 1) - length;
395 shift = (word_length - (start + length));
399 #endif /* ! CGEN_INT_INSN_P */
401 /* Default extraction routine.
403 INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
404 or sometimes less for cases like the m32r where the base insn size is 32
405 but some insns are 16 bits.
406 ATTRS is a mask of the boolean attributes. We only need `SIGNED',
407 but for generality we take a bitmask of all of them.
408 WORD_OFFSET is the offset in bits from the start of the insn of the value.
409 WORD_LENGTH is the length of the word in bits in which the value resides.
410 START is the starting bit number in the word, architecture origin.
411 LENGTH is the length of VALUE in bits.
412 TOTAL_LENGTH is the total length of the insn in bits.
414 Returns 1 for success, 0 for failure. */
416 /* ??? The return code isn't properly used. wip. */
418 /* ??? This doesn't handle bfd_vma's. Create another function when
422 extract_normal (CGEN_CPU_DESC cd,
423 #if ! CGEN_INT_INSN_P
424 CGEN_EXTRACT_INFO *ex_info,
426 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
428 CGEN_INSN_INT insn_value,
430 unsigned int word_offset,
433 unsigned int word_length,
434 unsigned int total_length,
435 #if ! CGEN_INT_INSN_P
438 bfd_vma pc ATTRIBUTE_UNUSED,
444 /* If LENGTH is zero, this operand doesn't contribute to the value
445 so give it a standard value of zero. */
452 if (word_length > 8 * sizeof (CGEN_INSN_INT))
455 /* For architectures with insns smaller than the insn-base-bitsize,
456 word_length may be too big. */
457 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
459 if (word_offset + word_length > total_length)
460 word_length = total_length - word_offset;
463 /* Does the value reside in INSN_VALUE, and at the right alignment? */
465 if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
467 if (CGEN_INSN_LSB0_P)
468 value = insn_value >> ((word_offset + start + 1) - length);
470 value = insn_value >> (total_length - ( word_offset + start + length));
473 #if ! CGEN_INT_INSN_P
477 unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
479 if (word_length > 8 * sizeof (CGEN_INSN_INT))
482 if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
485 value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
488 #endif /* ! CGEN_INT_INSN_P */
490 /* Written this way to avoid undefined behaviour. */
491 mask = (((1L << (length - 1)) - 1) << 1) | 1;
495 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
496 && (value & (1L << (length - 1))))
504 /* Default insn extractor.
506 INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
507 The extracted fields are stored in FIELDS.
508 EX_INFO is used to handle reading variable length insns.
509 Return the length of the insn in bits, or 0 if no match,
510 or -1 if an error occurs fetching data (memory_error_func will have
514 extract_insn_normal (CGEN_CPU_DESC cd,
515 const CGEN_INSN *insn,
516 CGEN_EXTRACT_INFO *ex_info,
517 CGEN_INSN_INT insn_value,
521 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
522 const CGEN_SYNTAX_CHAR_TYPE *syn;
524 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
526 CGEN_INIT_EXTRACT (cd);
528 for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
532 if (CGEN_SYNTAX_CHAR_P (*syn))
535 length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
536 ex_info, insn_value, fields, pc);
541 /* We recognized and successfully extracted this insn. */
542 return CGEN_INSN_BITSIZE (insn);
545 /* Machine generated code added here. */
547 const char * lm32_cgen_insert_operand
548 (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
550 /* Main entry point for operand insertion.
552 This function is basically just a big switch statement. Earlier versions
553 used tables to look up the function to use, but
554 - if the table contains both assembler and disassembler functions then
555 the disassembler contains much of the assembler and vice-versa,
556 - there's a lot of inlining possibilities as things grow,
557 - using a switch statement avoids the function call overhead.
559 This function could be moved into `parse_insn_normal', but keeping it
560 separate makes clear the interface between `parse_insn_normal' and each of
561 the handlers. It's also needed by GAS to insert operands that couldn't be
562 resolved during parsing. */
565 lm32_cgen_insert_operand (CGEN_CPU_DESC cd,
567 CGEN_FIELDS * fields,
568 CGEN_INSN_BYTES_PTR buffer,
569 bfd_vma pc ATTRIBUTE_UNUSED)
571 const char * errmsg = NULL;
572 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
576 case LM32_OPERAND_BRANCH :
578 long value = fields->f_branch;
579 value = ((SI) (((value) - (pc))) >> (2));
580 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
583 case LM32_OPERAND_CALL :
585 long value = fields->f_call;
586 value = ((SI) (((value) - (pc))) >> (2));
587 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, buffer);
590 case LM32_OPERAND_CSR :
591 errmsg = insert_normal (cd, fields->f_csr, 0, 0, 25, 5, 32, total_length, buffer);
593 case LM32_OPERAND_EXCEPTION :
594 errmsg = insert_normal (cd, fields->f_exception, 0, 0, 25, 26, 32, total_length, buffer);
596 case LM32_OPERAND_GOT16 :
597 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
599 case LM32_OPERAND_GOTOFFHI16 :
600 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
602 case LM32_OPERAND_GOTOFFLO16 :
603 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
605 case LM32_OPERAND_GP16 :
606 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
608 case LM32_OPERAND_HI16 :
609 errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer);
611 case LM32_OPERAND_IMM :
612 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
614 case LM32_OPERAND_LO16 :
615 errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer);
617 case LM32_OPERAND_R0 :
618 errmsg = insert_normal (cd, fields->f_r0, 0, 0, 25, 5, 32, total_length, buffer);
620 case LM32_OPERAND_R1 :
621 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 20, 5, 32, total_length, buffer);
623 case LM32_OPERAND_R2 :
624 errmsg = insert_normal (cd, fields->f_r2, 0, 0, 15, 5, 32, total_length, buffer);
626 case LM32_OPERAND_SHIFT :
627 errmsg = insert_normal (cd, fields->f_shift, 0, 0, 4, 5, 32, total_length, buffer);
629 case LM32_OPERAND_UIMM :
630 errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer);
632 case LM32_OPERAND_USER :
633 errmsg = insert_normal (cd, fields->f_user, 0, 0, 10, 11, 32, total_length, buffer);
637 /* xgettext:c-format */
638 fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
646 int lm32_cgen_extract_operand
647 (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
649 /* Main entry point for operand extraction.
650 The result is <= 0 for error, >0 for success.
651 ??? Actual values aren't well defined right now.
653 This function is basically just a big switch statement. Earlier versions
654 used tables to look up the function to use, but
655 - if the table contains both assembler and disassembler functions then
656 the disassembler contains much of the assembler and vice-versa,
657 - there's a lot of inlining possibilities as things grow,
658 - using a switch statement avoids the function call overhead.
660 This function could be moved into `print_insn_normal', but keeping it
661 separate makes clear the interface between `print_insn_normal' and each of
665 lm32_cgen_extract_operand (CGEN_CPU_DESC cd,
667 CGEN_EXTRACT_INFO *ex_info,
668 CGEN_INSN_INT insn_value,
669 CGEN_FIELDS * fields,
672 /* Assume success (for those operands that are nops). */
674 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
678 case LM32_OPERAND_BRANCH :
681 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, pc, & value);
682 value = ((pc) + (((SI) (((value) << (16))) >> (14))));
683 fields->f_branch = value;
686 case LM32_OPERAND_CALL :
689 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, pc, & value);
690 value = ((pc) + (((SI) (((value) << (6))) >> (4))));
691 fields->f_call = value;
694 case LM32_OPERAND_CSR :
695 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_csr);
697 case LM32_OPERAND_EXCEPTION :
698 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 26, 32, total_length, pc, & fields->f_exception);
700 case LM32_OPERAND_GOT16 :
701 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
703 case LM32_OPERAND_GOTOFFHI16 :
704 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
706 case LM32_OPERAND_GOTOFFLO16 :
707 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
709 case LM32_OPERAND_GP16 :
710 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
712 case LM32_OPERAND_HI16 :
713 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
715 case LM32_OPERAND_IMM :
716 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
718 case LM32_OPERAND_LO16 :
719 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
721 case LM32_OPERAND_R0 :
722 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r0);
724 case LM32_OPERAND_R1 :
725 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_r1);
727 case LM32_OPERAND_R2 :
728 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_r2);
730 case LM32_OPERAND_SHIFT :
731 length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_shift);
733 case LM32_OPERAND_UIMM :
734 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
736 case LM32_OPERAND_USER :
737 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 11, 32, total_length, pc, & fields->f_user);
741 /* xgettext:c-format */
742 fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
750 cgen_insert_fn * const lm32_cgen_insert_handlers[] =
755 cgen_extract_fn * const lm32_cgen_extract_handlers[] =
760 int lm32_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
761 bfd_vma lm32_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
763 /* Getting values from cgen_fields is handled by a collection of functions.
764 They are distinguished by the type of the VALUE argument they return.
765 TODO: floating point, inlining support, remove cases where result type
769 lm32_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
771 const CGEN_FIELDS * fields)
777 case LM32_OPERAND_BRANCH :
778 value = fields->f_branch;
780 case LM32_OPERAND_CALL :
781 value = fields->f_call;
783 case LM32_OPERAND_CSR :
784 value = fields->f_csr;
786 case LM32_OPERAND_EXCEPTION :
787 value = fields->f_exception;
789 case LM32_OPERAND_GOT16 :
790 value = fields->f_imm;
792 case LM32_OPERAND_GOTOFFHI16 :
793 value = fields->f_imm;
795 case LM32_OPERAND_GOTOFFLO16 :
796 value = fields->f_imm;
798 case LM32_OPERAND_GP16 :
799 value = fields->f_imm;
801 case LM32_OPERAND_HI16 :
802 value = fields->f_uimm;
804 case LM32_OPERAND_IMM :
805 value = fields->f_imm;
807 case LM32_OPERAND_LO16 :
808 value = fields->f_uimm;
810 case LM32_OPERAND_R0 :
811 value = fields->f_r0;
813 case LM32_OPERAND_R1 :
814 value = fields->f_r1;
816 case LM32_OPERAND_R2 :
817 value = fields->f_r2;
819 case LM32_OPERAND_SHIFT :
820 value = fields->f_shift;
822 case LM32_OPERAND_UIMM :
823 value = fields->f_uimm;
825 case LM32_OPERAND_USER :
826 value = fields->f_user;
830 /* xgettext:c-format */
831 fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
840 lm32_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
842 const CGEN_FIELDS * fields)
848 case LM32_OPERAND_BRANCH :
849 value = fields->f_branch;
851 case LM32_OPERAND_CALL :
852 value = fields->f_call;
854 case LM32_OPERAND_CSR :
855 value = fields->f_csr;
857 case LM32_OPERAND_EXCEPTION :
858 value = fields->f_exception;
860 case LM32_OPERAND_GOT16 :
861 value = fields->f_imm;
863 case LM32_OPERAND_GOTOFFHI16 :
864 value = fields->f_imm;
866 case LM32_OPERAND_GOTOFFLO16 :
867 value = fields->f_imm;
869 case LM32_OPERAND_GP16 :
870 value = fields->f_imm;
872 case LM32_OPERAND_HI16 :
873 value = fields->f_uimm;
875 case LM32_OPERAND_IMM :
876 value = fields->f_imm;
878 case LM32_OPERAND_LO16 :
879 value = fields->f_uimm;
881 case LM32_OPERAND_R0 :
882 value = fields->f_r0;
884 case LM32_OPERAND_R1 :
885 value = fields->f_r1;
887 case LM32_OPERAND_R2 :
888 value = fields->f_r2;
890 case LM32_OPERAND_SHIFT :
891 value = fields->f_shift;
893 case LM32_OPERAND_UIMM :
894 value = fields->f_uimm;
896 case LM32_OPERAND_USER :
897 value = fields->f_user;
901 /* xgettext:c-format */
902 fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
910 void lm32_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
911 void lm32_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
913 /* Stuffing values in cgen_fields is handled by a collection of functions.
914 They are distinguished by the type of the VALUE argument they accept.
915 TODO: floating point, inlining support, remove cases where argument type
919 lm32_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
921 CGEN_FIELDS * fields,
926 case LM32_OPERAND_BRANCH :
927 fields->f_branch = value;
929 case LM32_OPERAND_CALL :
930 fields->f_call = value;
932 case LM32_OPERAND_CSR :
933 fields->f_csr = value;
935 case LM32_OPERAND_EXCEPTION :
936 fields->f_exception = value;
938 case LM32_OPERAND_GOT16 :
939 fields->f_imm = value;
941 case LM32_OPERAND_GOTOFFHI16 :
942 fields->f_imm = value;
944 case LM32_OPERAND_GOTOFFLO16 :
945 fields->f_imm = value;
947 case LM32_OPERAND_GP16 :
948 fields->f_imm = value;
950 case LM32_OPERAND_HI16 :
951 fields->f_uimm = value;
953 case LM32_OPERAND_IMM :
954 fields->f_imm = value;
956 case LM32_OPERAND_LO16 :
957 fields->f_uimm = value;
959 case LM32_OPERAND_R0 :
960 fields->f_r0 = value;
962 case LM32_OPERAND_R1 :
963 fields->f_r1 = value;
965 case LM32_OPERAND_R2 :
966 fields->f_r2 = value;
968 case LM32_OPERAND_SHIFT :
969 fields->f_shift = value;
971 case LM32_OPERAND_UIMM :
972 fields->f_uimm = value;
974 case LM32_OPERAND_USER :
975 fields->f_user = value;
979 /* xgettext:c-format */
980 fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
987 lm32_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
989 CGEN_FIELDS * fields,
994 case LM32_OPERAND_BRANCH :
995 fields->f_branch = value;
997 case LM32_OPERAND_CALL :
998 fields->f_call = value;
1000 case LM32_OPERAND_CSR :
1001 fields->f_csr = value;
1003 case LM32_OPERAND_EXCEPTION :
1004 fields->f_exception = value;
1006 case LM32_OPERAND_GOT16 :
1007 fields->f_imm = value;
1009 case LM32_OPERAND_GOTOFFHI16 :
1010 fields->f_imm = value;
1012 case LM32_OPERAND_GOTOFFLO16 :
1013 fields->f_imm = value;
1015 case LM32_OPERAND_GP16 :
1016 fields->f_imm = value;
1018 case LM32_OPERAND_HI16 :
1019 fields->f_uimm = value;
1021 case LM32_OPERAND_IMM :
1022 fields->f_imm = value;
1024 case LM32_OPERAND_LO16 :
1025 fields->f_uimm = value;
1027 case LM32_OPERAND_R0 :
1028 fields->f_r0 = value;
1030 case LM32_OPERAND_R1 :
1031 fields->f_r1 = value;
1033 case LM32_OPERAND_R2 :
1034 fields->f_r2 = value;
1036 case LM32_OPERAND_SHIFT :
1037 fields->f_shift = value;
1039 case LM32_OPERAND_UIMM :
1040 fields->f_uimm = value;
1042 case LM32_OPERAND_USER :
1043 fields->f_user = value;
1047 /* xgettext:c-format */
1048 fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1054 /* Function to call before using the instruction builder tables. */
1057 lm32_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1059 cd->insert_handlers = & lm32_cgen_insert_handlers[0];
1060 cd->extract_handlers = & lm32_cgen_extract_handlers[0];
1062 cd->insert_operand = lm32_cgen_insert_operand;
1063 cd->extract_operand = lm32_cgen_extract_operand;
1065 cd->get_int_operand = lm32_cgen_get_int_operand;
1066 cd->set_int_operand = lm32_cgen_set_int_operand;
1067 cd->get_vma_operand = lm32_cgen_get_vma_operand;
1068 cd->set_vma_operand = lm32_cgen_set_vma_operand;