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 opcodes_error_handler
639 (_("internal error: unrecognized field %d while building insn"),
647 int lm32_cgen_extract_operand
648 (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
650 /* Main entry point for operand extraction.
651 The result is <= 0 for error, >0 for success.
652 ??? Actual values aren't well defined right now.
654 This function is basically just a big switch statement. Earlier versions
655 used tables to look up the function to use, but
656 - if the table contains both assembler and disassembler functions then
657 the disassembler contains much of the assembler and vice-versa,
658 - there's a lot of inlining possibilities as things grow,
659 - using a switch statement avoids the function call overhead.
661 This function could be moved into `print_insn_normal', but keeping it
662 separate makes clear the interface between `print_insn_normal' and each of
666 lm32_cgen_extract_operand (CGEN_CPU_DESC cd,
668 CGEN_EXTRACT_INFO *ex_info,
669 CGEN_INSN_INT insn_value,
670 CGEN_FIELDS * fields,
673 /* Assume success (for those operands that are nops). */
675 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
679 case LM32_OPERAND_BRANCH :
682 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);
683 value = ((pc) + (((SI) (((value) << (16))) >> (14))));
684 fields->f_branch = value;
687 case LM32_OPERAND_CALL :
690 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);
691 value = ((pc) + (((SI) (((value) << (6))) >> (4))));
692 fields->f_call = value;
695 case LM32_OPERAND_CSR :
696 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_csr);
698 case LM32_OPERAND_EXCEPTION :
699 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 26, 32, total_length, pc, & fields->f_exception);
701 case LM32_OPERAND_GOT16 :
702 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
704 case LM32_OPERAND_GOTOFFHI16 :
705 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
707 case LM32_OPERAND_GOTOFFLO16 :
708 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
710 case LM32_OPERAND_GP16 :
711 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
713 case LM32_OPERAND_HI16 :
714 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
716 case LM32_OPERAND_IMM :
717 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
719 case LM32_OPERAND_LO16 :
720 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
722 case LM32_OPERAND_R0 :
723 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r0);
725 case LM32_OPERAND_R1 :
726 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_r1);
728 case LM32_OPERAND_R2 :
729 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_r2);
731 case LM32_OPERAND_SHIFT :
732 length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_shift);
734 case LM32_OPERAND_UIMM :
735 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
737 case LM32_OPERAND_USER :
738 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 11, 32, total_length, pc, & fields->f_user);
742 /* xgettext:c-format */
743 opcodes_error_handler
744 (_("internal error: unrecognized field %d while decoding insn"),
752 cgen_insert_fn * const lm32_cgen_insert_handlers[] =
757 cgen_extract_fn * const lm32_cgen_extract_handlers[] =
762 int lm32_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
763 bfd_vma lm32_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
765 /* Getting values from cgen_fields is handled by a collection of functions.
766 They are distinguished by the type of the VALUE argument they return.
767 TODO: floating point, inlining support, remove cases where result type
771 lm32_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
773 const CGEN_FIELDS * fields)
779 case LM32_OPERAND_BRANCH :
780 value = fields->f_branch;
782 case LM32_OPERAND_CALL :
783 value = fields->f_call;
785 case LM32_OPERAND_CSR :
786 value = fields->f_csr;
788 case LM32_OPERAND_EXCEPTION :
789 value = fields->f_exception;
791 case LM32_OPERAND_GOT16 :
792 value = fields->f_imm;
794 case LM32_OPERAND_GOTOFFHI16 :
795 value = fields->f_imm;
797 case LM32_OPERAND_GOTOFFLO16 :
798 value = fields->f_imm;
800 case LM32_OPERAND_GP16 :
801 value = fields->f_imm;
803 case LM32_OPERAND_HI16 :
804 value = fields->f_uimm;
806 case LM32_OPERAND_IMM :
807 value = fields->f_imm;
809 case LM32_OPERAND_LO16 :
810 value = fields->f_uimm;
812 case LM32_OPERAND_R0 :
813 value = fields->f_r0;
815 case LM32_OPERAND_R1 :
816 value = fields->f_r1;
818 case LM32_OPERAND_R2 :
819 value = fields->f_r2;
821 case LM32_OPERAND_SHIFT :
822 value = fields->f_shift;
824 case LM32_OPERAND_UIMM :
825 value = fields->f_uimm;
827 case LM32_OPERAND_USER :
828 value = fields->f_user;
832 /* xgettext:c-format */
833 opcodes_error_handler
834 (_("internal error: unrecognized field %d while getting int operand"),
843 lm32_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
845 const CGEN_FIELDS * fields)
851 case LM32_OPERAND_BRANCH :
852 value = fields->f_branch;
854 case LM32_OPERAND_CALL :
855 value = fields->f_call;
857 case LM32_OPERAND_CSR :
858 value = fields->f_csr;
860 case LM32_OPERAND_EXCEPTION :
861 value = fields->f_exception;
863 case LM32_OPERAND_GOT16 :
864 value = fields->f_imm;
866 case LM32_OPERAND_GOTOFFHI16 :
867 value = fields->f_imm;
869 case LM32_OPERAND_GOTOFFLO16 :
870 value = fields->f_imm;
872 case LM32_OPERAND_GP16 :
873 value = fields->f_imm;
875 case LM32_OPERAND_HI16 :
876 value = fields->f_uimm;
878 case LM32_OPERAND_IMM :
879 value = fields->f_imm;
881 case LM32_OPERAND_LO16 :
882 value = fields->f_uimm;
884 case LM32_OPERAND_R0 :
885 value = fields->f_r0;
887 case LM32_OPERAND_R1 :
888 value = fields->f_r1;
890 case LM32_OPERAND_R2 :
891 value = fields->f_r2;
893 case LM32_OPERAND_SHIFT :
894 value = fields->f_shift;
896 case LM32_OPERAND_UIMM :
897 value = fields->f_uimm;
899 case LM32_OPERAND_USER :
900 value = fields->f_user;
904 /* xgettext:c-format */
905 opcodes_error_handler
906 (_("internal error: unrecognized field %d while getting vma operand"),
914 void lm32_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
915 void lm32_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
917 /* Stuffing values in cgen_fields is handled by a collection of functions.
918 They are distinguished by the type of the VALUE argument they accept.
919 TODO: floating point, inlining support, remove cases where argument type
923 lm32_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
925 CGEN_FIELDS * fields,
930 case LM32_OPERAND_BRANCH :
931 fields->f_branch = value;
933 case LM32_OPERAND_CALL :
934 fields->f_call = value;
936 case LM32_OPERAND_CSR :
937 fields->f_csr = value;
939 case LM32_OPERAND_EXCEPTION :
940 fields->f_exception = value;
942 case LM32_OPERAND_GOT16 :
943 fields->f_imm = value;
945 case LM32_OPERAND_GOTOFFHI16 :
946 fields->f_imm = value;
948 case LM32_OPERAND_GOTOFFLO16 :
949 fields->f_imm = value;
951 case LM32_OPERAND_GP16 :
952 fields->f_imm = value;
954 case LM32_OPERAND_HI16 :
955 fields->f_uimm = value;
957 case LM32_OPERAND_IMM :
958 fields->f_imm = value;
960 case LM32_OPERAND_LO16 :
961 fields->f_uimm = value;
963 case LM32_OPERAND_R0 :
964 fields->f_r0 = value;
966 case LM32_OPERAND_R1 :
967 fields->f_r1 = value;
969 case LM32_OPERAND_R2 :
970 fields->f_r2 = value;
972 case LM32_OPERAND_SHIFT :
973 fields->f_shift = value;
975 case LM32_OPERAND_UIMM :
976 fields->f_uimm = value;
978 case LM32_OPERAND_USER :
979 fields->f_user = value;
983 /* xgettext:c-format */
984 opcodes_error_handler
985 (_("internal error: unrecognized field %d while setting int operand"),
992 lm32_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
994 CGEN_FIELDS * fields,
999 case LM32_OPERAND_BRANCH :
1000 fields->f_branch = value;
1002 case LM32_OPERAND_CALL :
1003 fields->f_call = value;
1005 case LM32_OPERAND_CSR :
1006 fields->f_csr = value;
1008 case LM32_OPERAND_EXCEPTION :
1009 fields->f_exception = value;
1011 case LM32_OPERAND_GOT16 :
1012 fields->f_imm = value;
1014 case LM32_OPERAND_GOTOFFHI16 :
1015 fields->f_imm = value;
1017 case LM32_OPERAND_GOTOFFLO16 :
1018 fields->f_imm = value;
1020 case LM32_OPERAND_GP16 :
1021 fields->f_imm = value;
1023 case LM32_OPERAND_HI16 :
1024 fields->f_uimm = value;
1026 case LM32_OPERAND_IMM :
1027 fields->f_imm = value;
1029 case LM32_OPERAND_LO16 :
1030 fields->f_uimm = value;
1032 case LM32_OPERAND_R0 :
1033 fields->f_r0 = value;
1035 case LM32_OPERAND_R1 :
1036 fields->f_r1 = value;
1038 case LM32_OPERAND_R2 :
1039 fields->f_r2 = value;
1041 case LM32_OPERAND_SHIFT :
1042 fields->f_shift = value;
1044 case LM32_OPERAND_UIMM :
1045 fields->f_uimm = value;
1047 case LM32_OPERAND_USER :
1048 fields->f_user = value;
1052 /* xgettext:c-format */
1053 opcodes_error_handler
1054 (_("internal error: unrecognized field %d while setting vma operand"),
1060 /* Function to call before using the instruction builder tables. */
1063 lm32_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1065 cd->insert_handlers = & lm32_cgen_insert_handlers[0];
1066 cd->extract_handlers = & lm32_cgen_extract_handlers[0];
1068 cd->insert_operand = lm32_cgen_insert_operand;
1069 cd->extract_operand = lm32_cgen_extract_operand;
1071 cd->get_int_operand = lm32_cgen_get_int_operand;
1072 cd->set_int_operand = lm32_cgen_set_int_operand;
1073 cd->get_vma_operand = lm32_cgen_get_vma_operand;
1074 cd->set_vma_operand = lm32_cgen_set_vma_operand;