1 /* Instruction building/extraction support for lm32. -*- C -*-
3 THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
4 - the resultant file is machine generated, cgen-ibld.in isn't
6 Copyright (C) 1996-2016 Free Software Foundation, Inc.
8 This file is part of libopcodes.
10 This library is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
15 It is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
18 License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software Foundation, Inc.,
22 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
24 /* ??? Eventually more and more of this stuff can go to cpu-independent files.
33 #include "lm32-desc.h"
35 #include "cgen/basic-modes.h"
37 #include "safe-ctype.h"
40 #define min(a,b) ((a) < (b) ? (a) : (b))
42 #define max(a,b) ((a) > (b) ? (a) : (b))
44 /* Used by the ifield rtx function. */
45 #define FLD(f) (fields->f)
47 static const char * insert_normal
48 (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int,
49 unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR);
50 static const char * insert_insn_normal
51 (CGEN_CPU_DESC, const CGEN_INSN *,
52 CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
53 static int extract_normal
54 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT,
55 unsigned int, unsigned int, unsigned int, unsigned int,
56 unsigned int, unsigned int, bfd_vma, long *);
57 static int extract_insn_normal
58 (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *,
59 CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
61 static void put_insn_int_value
62 (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT);
65 static CGEN_INLINE void insert_1
66 (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *);
67 static CGEN_INLINE int fill_cache
68 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma);
69 static CGEN_INLINE long extract_1
70 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma);
73 /* Operand insertion. */
77 /* Subroutine of insert_normal. */
79 static CGEN_INLINE void
80 insert_1 (CGEN_CPU_DESC cd,
90 x = cgen_get_insn_value (cd, bufp, word_length);
92 /* Written this way to avoid undefined behaviour. */
93 mask = (((1L << (length - 1)) - 1) << 1) | 1;
95 shift = (start + 1) - length;
97 shift = (word_length - (start + length));
98 x = (x & ~(mask << shift)) | ((value & mask) << shift);
100 cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x);
103 #endif /* ! CGEN_INT_INSN_P */
105 /* Default insertion routine.
107 ATTRS is a mask of the boolean attributes.
108 WORD_OFFSET is the offset in bits from the start of the insn of the value.
109 WORD_LENGTH is the length of the word in bits in which the value resides.
110 START is the starting bit number in the word, architecture origin.
111 LENGTH is the length of VALUE in bits.
112 TOTAL_LENGTH is the total length of the insn in bits.
114 The result is an error message or NULL if success. */
116 /* ??? This duplicates functionality with bfd's howto table and
117 bfd_install_relocation. */
118 /* ??? This doesn't handle bfd_vma's. Create another function when
122 insert_normal (CGEN_CPU_DESC cd,
125 unsigned int word_offset,
128 unsigned int word_length,
129 unsigned int total_length,
130 CGEN_INSN_BYTES_PTR buffer)
132 static char errbuf[100];
133 /* Written this way to avoid undefined behaviour. */
134 unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1;
136 /* If LENGTH is zero, this operand doesn't contribute to the value. */
140 if (word_length > 8 * sizeof (CGEN_INSN_INT))
143 /* For architectures with insns smaller than the base-insn-bitsize,
144 word_length may be too big. */
145 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
148 && word_length > total_length)
149 word_length = total_length;
152 /* Ensure VALUE will fit. */
153 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT))
155 long minval = - (1L << (length - 1));
156 unsigned long maxval = mask;
158 if ((value > 0 && (unsigned long) value > maxval)
161 /* xgettext:c-format */
163 _("operand out of range (%ld not between %ld and %lu)"),
164 value, minval, maxval);
168 else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED))
170 unsigned long maxval = mask;
171 unsigned long val = (unsigned long) value;
173 /* For hosts with a word size > 32 check to see if value has been sign
174 extended beyond 32 bits. If so then ignore these higher sign bits
175 as the user is attempting to store a 32-bit signed value into an
176 unsigned 32-bit field which is allowed. */
177 if (sizeof (unsigned long) > 4 && ((value >> 32) == -1))
182 /* xgettext:c-format */
184 _("operand out of range (0x%lx not between 0 and 0x%lx)"),
191 if (! cgen_signed_overflow_ok_p (cd))
193 long minval = - (1L << (length - 1));
194 long maxval = (1L << (length - 1)) - 1;
196 if (value < minval || value > maxval)
199 /* xgettext:c-format */
200 (errbuf, _("operand out of range (%ld not between %ld and %ld)"),
201 value, minval, maxval);
212 if (CGEN_INSN_LSB0_P)
213 shift = (word_offset + start + 1) - length;
215 shift = total_length - (word_offset + start + length);
216 *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
219 #else /* ! CGEN_INT_INSN_P */
222 unsigned char *bufp = (unsigned char *) buffer + word_offset / 8;
224 insert_1 (cd, value, start, length, word_length, bufp);
227 #endif /* ! CGEN_INT_INSN_P */
232 /* Default insn builder (insert handler).
233 The instruction is recorded in CGEN_INT_INSN_P byte order (meaning
234 that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is
235 recorded in host byte order, otherwise BUFFER is an array of bytes
236 and the value is recorded in target byte order).
237 The result is an error message or NULL if success. */
240 insert_insn_normal (CGEN_CPU_DESC cd,
241 const CGEN_INSN * insn,
242 CGEN_FIELDS * fields,
243 CGEN_INSN_BYTES_PTR buffer,
246 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
248 const CGEN_SYNTAX_CHAR_TYPE * syn;
250 CGEN_INIT_INSERT (cd);
251 value = CGEN_INSN_BASE_VALUE (insn);
253 /* If we're recording insns as numbers (rather than a string of bytes),
254 target byte order handling is deferred until later. */
258 put_insn_int_value (cd, buffer, cd->base_insn_bitsize,
259 CGEN_FIELDS_BITSIZE (fields), value);
263 cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize,
264 (unsigned) CGEN_FIELDS_BITSIZE (fields)),
267 #endif /* ! CGEN_INT_INSN_P */
269 /* ??? It would be better to scan the format's fields.
270 Still need to be able to insert a value based on the operand though;
271 e.g. storing a branch displacement that got resolved later.
272 Needs more thought first. */
274 for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn)
278 if (CGEN_SYNTAX_CHAR_P (* syn))
281 errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
291 /* Cover function to store an insn value into an integral insn. Must go here
292 because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */
295 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
296 CGEN_INSN_BYTES_PTR buf,
301 /* For architectures with insns smaller than the base-insn-bitsize,
302 length may be too big. */
303 if (length > insn_length)
307 int shift = insn_length - length;
308 /* Written this way to avoid undefined behaviour. */
309 CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1;
311 *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift);
316 /* Operand extraction. */
318 #if ! CGEN_INT_INSN_P
320 /* Subroutine of extract_normal.
321 Ensure sufficient bytes are cached in EX_INFO.
322 OFFSET is the offset in bytes from the start of the insn of the value.
323 BYTES is the length of the needed value.
324 Returns 1 for success, 0 for failure. */
326 static CGEN_INLINE int
327 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
328 CGEN_EXTRACT_INFO *ex_info,
333 /* It's doubtful that the middle part has already been fetched so
334 we don't optimize that case. kiss. */
336 disassemble_info *info = (disassemble_info *) ex_info->dis_info;
338 /* First do a quick check. */
339 mask = (1 << bytes) - 1;
340 if (((ex_info->valid >> offset) & mask) == mask)
343 /* Search for the first byte we need to read. */
344 for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1)
345 if (! (mask & ex_info->valid))
353 status = (*info->read_memory_func)
354 (pc, ex_info->insn_bytes + offset, bytes, info);
358 (*info->memory_error_func) (status, pc, info);
362 ex_info->valid |= ((1 << bytes) - 1) << offset;
368 /* Subroutine of extract_normal. */
370 static CGEN_INLINE long
371 extract_1 (CGEN_CPU_DESC cd,
372 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
377 bfd_vma pc ATTRIBUTE_UNUSED)
382 x = cgen_get_insn_value (cd, bufp, word_length);
384 if (CGEN_INSN_LSB0_P)
385 shift = (start + 1) - length;
387 shift = (word_length - (start + length));
391 #endif /* ! CGEN_INT_INSN_P */
393 /* Default extraction routine.
395 INSN_VALUE is the first base_insn_bitsize bits of the insn in host order,
396 or sometimes less for cases like the m32r where the base insn size is 32
397 but some insns are 16 bits.
398 ATTRS is a mask of the boolean attributes. We only need `SIGNED',
399 but for generality we take a bitmask of all of them.
400 WORD_OFFSET is the offset in bits from the start of the insn of the value.
401 WORD_LENGTH is the length of the word in bits in which the value resides.
402 START is the starting bit number in the word, architecture origin.
403 LENGTH is the length of VALUE in bits.
404 TOTAL_LENGTH is the total length of the insn in bits.
406 Returns 1 for success, 0 for failure. */
408 /* ??? The return code isn't properly used. wip. */
410 /* ??? This doesn't handle bfd_vma's. Create another function when
414 extract_normal (CGEN_CPU_DESC cd,
415 #if ! CGEN_INT_INSN_P
416 CGEN_EXTRACT_INFO *ex_info,
418 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED,
420 CGEN_INSN_INT insn_value,
422 unsigned int word_offset,
425 unsigned int word_length,
426 unsigned int total_length,
427 #if ! CGEN_INT_INSN_P
430 bfd_vma pc ATTRIBUTE_UNUSED,
436 /* If LENGTH is zero, this operand doesn't contribute to the value
437 so give it a standard value of zero. */
444 if (word_length > 8 * sizeof (CGEN_INSN_INT))
447 /* For architectures with insns smaller than the insn-base-bitsize,
448 word_length may be too big. */
449 if (cd->min_insn_bitsize < cd->base_insn_bitsize)
451 if (word_offset + word_length > total_length)
452 word_length = total_length - word_offset;
455 /* Does the value reside in INSN_VALUE, and at the right alignment? */
457 if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length))
459 if (CGEN_INSN_LSB0_P)
460 value = insn_value >> ((word_offset + start + 1) - length);
462 value = insn_value >> (total_length - ( word_offset + start + length));
465 #if ! CGEN_INT_INSN_P
469 unsigned char *bufp = ex_info->insn_bytes + word_offset / 8;
471 if (word_length > 8 * sizeof (CGEN_INSN_INT))
474 if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
477 value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
480 #endif /* ! CGEN_INT_INSN_P */
482 /* Written this way to avoid undefined behaviour. */
483 mask = (((1L << (length - 1)) - 1) << 1) | 1;
487 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)
488 && (value & (1L << (length - 1))))
496 /* Default insn extractor.
498 INSN_VALUE is the first base_insn_bitsize bits, translated to host order.
499 The extracted fields are stored in FIELDS.
500 EX_INFO is used to handle reading variable length insns.
501 Return the length of the insn in bits, or 0 if no match,
502 or -1 if an error occurs fetching data (memory_error_func will have
506 extract_insn_normal (CGEN_CPU_DESC cd,
507 const CGEN_INSN *insn,
508 CGEN_EXTRACT_INFO *ex_info,
509 CGEN_INSN_INT insn_value,
513 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn);
514 const CGEN_SYNTAX_CHAR_TYPE *syn;
516 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn);
518 CGEN_INIT_EXTRACT (cd);
520 for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn)
524 if (CGEN_SYNTAX_CHAR_P (*syn))
527 length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn),
528 ex_info, insn_value, fields, pc);
533 /* We recognized and successfully extracted this insn. */
534 return CGEN_INSN_BITSIZE (insn);
537 /* Machine generated code added here. */
539 const char * lm32_cgen_insert_operand
540 (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma);
542 /* Main entry point for operand insertion.
544 This function is basically just a big switch statement. Earlier versions
545 used tables to look up the function to use, but
546 - if the table contains both assembler and disassembler functions then
547 the disassembler contains much of the assembler and vice-versa,
548 - there's a lot of inlining possibilities as things grow,
549 - using a switch statement avoids the function call overhead.
551 This function could be moved into `parse_insn_normal', but keeping it
552 separate makes clear the interface between `parse_insn_normal' and each of
553 the handlers. It's also needed by GAS to insert operands that couldn't be
554 resolved during parsing. */
557 lm32_cgen_insert_operand (CGEN_CPU_DESC cd,
559 CGEN_FIELDS * fields,
560 CGEN_INSN_BYTES_PTR buffer,
561 bfd_vma pc ATTRIBUTE_UNUSED)
563 const char * errmsg = NULL;
564 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
568 case LM32_OPERAND_BRANCH :
570 long value = fields->f_branch;
571 value = ((SI) (((value) - (pc))) >> (2));
572 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 16, 32, total_length, buffer);
575 case LM32_OPERAND_CALL :
577 long value = fields->f_call;
578 value = ((SI) (((value) - (pc))) >> (2));
579 errmsg = insert_normal (cd, value, 0|(1<<CGEN_IFLD_SIGNED)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 25, 26, 32, total_length, buffer);
582 case LM32_OPERAND_CSR :
583 errmsg = insert_normal (cd, fields->f_csr, 0, 0, 25, 5, 32, total_length, buffer);
585 case LM32_OPERAND_EXCEPTION :
586 errmsg = insert_normal (cd, fields->f_exception, 0, 0, 25, 26, 32, total_length, buffer);
588 case LM32_OPERAND_GOT16 :
589 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
591 case LM32_OPERAND_GOTOFFHI16 :
592 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
594 case LM32_OPERAND_GOTOFFLO16 :
595 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
597 case LM32_OPERAND_GP16 :
598 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
600 case LM32_OPERAND_HI16 :
601 errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer);
603 case LM32_OPERAND_IMM :
604 errmsg = insert_normal (cd, fields->f_imm, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, buffer);
606 case LM32_OPERAND_LO16 :
607 errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer);
609 case LM32_OPERAND_R0 :
610 errmsg = insert_normal (cd, fields->f_r0, 0, 0, 25, 5, 32, total_length, buffer);
612 case LM32_OPERAND_R1 :
613 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 20, 5, 32, total_length, buffer);
615 case LM32_OPERAND_R2 :
616 errmsg = insert_normal (cd, fields->f_r2, 0, 0, 15, 5, 32, total_length, buffer);
618 case LM32_OPERAND_SHIFT :
619 errmsg = insert_normal (cd, fields->f_shift, 0, 0, 4, 5, 32, total_length, buffer);
621 case LM32_OPERAND_UIMM :
622 errmsg = insert_normal (cd, fields->f_uimm, 0, 0, 15, 16, 32, total_length, buffer);
624 case LM32_OPERAND_USER :
625 errmsg = insert_normal (cd, fields->f_user, 0, 0, 10, 11, 32, total_length, buffer);
629 /* xgettext:c-format */
630 fprintf (stderr, _("Unrecognized field %d while building insn.\n"),
638 int lm32_cgen_extract_operand
639 (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma);
641 /* Main entry point for operand extraction.
642 The result is <= 0 for error, >0 for success.
643 ??? Actual values aren't well defined right now.
645 This function is basically just a big switch statement. Earlier versions
646 used tables to look up the function to use, but
647 - if the table contains both assembler and disassembler functions then
648 the disassembler contains much of the assembler and vice-versa,
649 - there's a lot of inlining possibilities as things grow,
650 - using a switch statement avoids the function call overhead.
652 This function could be moved into `print_insn_normal', but keeping it
653 separate makes clear the interface between `print_insn_normal' and each of
657 lm32_cgen_extract_operand (CGEN_CPU_DESC cd,
659 CGEN_EXTRACT_INFO *ex_info,
660 CGEN_INSN_INT insn_value,
661 CGEN_FIELDS * fields,
664 /* Assume success (for those operands that are nops). */
666 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields);
670 case LM32_OPERAND_BRANCH :
673 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);
674 value = ((pc) + (((SI) (((value) << (16))) >> (14))));
675 fields->f_branch = value;
678 case LM32_OPERAND_CALL :
681 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);
682 value = ((pc) + (((SI) (((value) << (6))) >> (4))));
683 fields->f_call = value;
686 case LM32_OPERAND_CSR :
687 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_csr);
689 case LM32_OPERAND_EXCEPTION :
690 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 26, 32, total_length, pc, & fields->f_exception);
692 case LM32_OPERAND_GOT16 :
693 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
695 case LM32_OPERAND_GOTOFFHI16 :
696 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
698 case LM32_OPERAND_GOTOFFLO16 :
699 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_SIGNED), 0, 15, 16, 32, total_length, pc, & fields->f_imm);
701 case LM32_OPERAND_GP16 :
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_HI16 :
705 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
707 case LM32_OPERAND_IMM :
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_LO16 :
711 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
713 case LM32_OPERAND_R0 :
714 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 5, 32, total_length, pc, & fields->f_r0);
716 case LM32_OPERAND_R1 :
717 length = extract_normal (cd, ex_info, insn_value, 0, 0, 20, 5, 32, total_length, pc, & fields->f_r1);
719 case LM32_OPERAND_R2 :
720 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_r2);
722 case LM32_OPERAND_SHIFT :
723 length = extract_normal (cd, ex_info, insn_value, 0, 0, 4, 5, 32, total_length, pc, & fields->f_shift);
725 case LM32_OPERAND_UIMM :
726 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 16, 32, total_length, pc, & fields->f_uimm);
728 case LM32_OPERAND_USER :
729 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 11, 32, total_length, pc, & fields->f_user);
733 /* xgettext:c-format */
734 fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"),
742 cgen_insert_fn * const lm32_cgen_insert_handlers[] =
747 cgen_extract_fn * const lm32_cgen_extract_handlers[] =
752 int lm32_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
753 bfd_vma lm32_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *);
755 /* Getting values from cgen_fields is handled by a collection of functions.
756 They are distinguished by the type of the VALUE argument they return.
757 TODO: floating point, inlining support, remove cases where result type
761 lm32_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
763 const CGEN_FIELDS * fields)
769 case LM32_OPERAND_BRANCH :
770 value = fields->f_branch;
772 case LM32_OPERAND_CALL :
773 value = fields->f_call;
775 case LM32_OPERAND_CSR :
776 value = fields->f_csr;
778 case LM32_OPERAND_EXCEPTION :
779 value = fields->f_exception;
781 case LM32_OPERAND_GOT16 :
782 value = fields->f_imm;
784 case LM32_OPERAND_GOTOFFHI16 :
785 value = fields->f_imm;
787 case LM32_OPERAND_GOTOFFLO16 :
788 value = fields->f_imm;
790 case LM32_OPERAND_GP16 :
791 value = fields->f_imm;
793 case LM32_OPERAND_HI16 :
794 value = fields->f_uimm;
796 case LM32_OPERAND_IMM :
797 value = fields->f_imm;
799 case LM32_OPERAND_LO16 :
800 value = fields->f_uimm;
802 case LM32_OPERAND_R0 :
803 value = fields->f_r0;
805 case LM32_OPERAND_R1 :
806 value = fields->f_r1;
808 case LM32_OPERAND_R2 :
809 value = fields->f_r2;
811 case LM32_OPERAND_SHIFT :
812 value = fields->f_shift;
814 case LM32_OPERAND_UIMM :
815 value = fields->f_uimm;
817 case LM32_OPERAND_USER :
818 value = fields->f_user;
822 /* xgettext:c-format */
823 fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"),
832 lm32_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
834 const CGEN_FIELDS * fields)
840 case LM32_OPERAND_BRANCH :
841 value = fields->f_branch;
843 case LM32_OPERAND_CALL :
844 value = fields->f_call;
846 case LM32_OPERAND_CSR :
847 value = fields->f_csr;
849 case LM32_OPERAND_EXCEPTION :
850 value = fields->f_exception;
852 case LM32_OPERAND_GOT16 :
853 value = fields->f_imm;
855 case LM32_OPERAND_GOTOFFHI16 :
856 value = fields->f_imm;
858 case LM32_OPERAND_GOTOFFLO16 :
859 value = fields->f_imm;
861 case LM32_OPERAND_GP16 :
862 value = fields->f_imm;
864 case LM32_OPERAND_HI16 :
865 value = fields->f_uimm;
867 case LM32_OPERAND_IMM :
868 value = fields->f_imm;
870 case LM32_OPERAND_LO16 :
871 value = fields->f_uimm;
873 case LM32_OPERAND_R0 :
874 value = fields->f_r0;
876 case LM32_OPERAND_R1 :
877 value = fields->f_r1;
879 case LM32_OPERAND_R2 :
880 value = fields->f_r2;
882 case LM32_OPERAND_SHIFT :
883 value = fields->f_shift;
885 case LM32_OPERAND_UIMM :
886 value = fields->f_uimm;
888 case LM32_OPERAND_USER :
889 value = fields->f_user;
893 /* xgettext:c-format */
894 fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"),
902 void lm32_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int);
903 void lm32_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma);
905 /* Stuffing values in cgen_fields is handled by a collection of functions.
906 They are distinguished by the type of the VALUE argument they accept.
907 TODO: floating point, inlining support, remove cases where argument type
911 lm32_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
913 CGEN_FIELDS * fields,
918 case LM32_OPERAND_BRANCH :
919 fields->f_branch = value;
921 case LM32_OPERAND_CALL :
922 fields->f_call = value;
924 case LM32_OPERAND_CSR :
925 fields->f_csr = value;
927 case LM32_OPERAND_EXCEPTION :
928 fields->f_exception = value;
930 case LM32_OPERAND_GOT16 :
931 fields->f_imm = value;
933 case LM32_OPERAND_GOTOFFHI16 :
934 fields->f_imm = value;
936 case LM32_OPERAND_GOTOFFLO16 :
937 fields->f_imm = value;
939 case LM32_OPERAND_GP16 :
940 fields->f_imm = value;
942 case LM32_OPERAND_HI16 :
943 fields->f_uimm = value;
945 case LM32_OPERAND_IMM :
946 fields->f_imm = value;
948 case LM32_OPERAND_LO16 :
949 fields->f_uimm = value;
951 case LM32_OPERAND_R0 :
952 fields->f_r0 = value;
954 case LM32_OPERAND_R1 :
955 fields->f_r1 = value;
957 case LM32_OPERAND_R2 :
958 fields->f_r2 = value;
960 case LM32_OPERAND_SHIFT :
961 fields->f_shift = value;
963 case LM32_OPERAND_UIMM :
964 fields->f_uimm = value;
966 case LM32_OPERAND_USER :
967 fields->f_user = value;
971 /* xgettext:c-format */
972 fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"),
979 lm32_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
981 CGEN_FIELDS * fields,
986 case LM32_OPERAND_BRANCH :
987 fields->f_branch = value;
989 case LM32_OPERAND_CALL :
990 fields->f_call = value;
992 case LM32_OPERAND_CSR :
993 fields->f_csr = value;
995 case LM32_OPERAND_EXCEPTION :
996 fields->f_exception = value;
998 case LM32_OPERAND_GOT16 :
999 fields->f_imm = value;
1001 case LM32_OPERAND_GOTOFFHI16 :
1002 fields->f_imm = value;
1004 case LM32_OPERAND_GOTOFFLO16 :
1005 fields->f_imm = value;
1007 case LM32_OPERAND_GP16 :
1008 fields->f_imm = value;
1010 case LM32_OPERAND_HI16 :
1011 fields->f_uimm = value;
1013 case LM32_OPERAND_IMM :
1014 fields->f_imm = value;
1016 case LM32_OPERAND_LO16 :
1017 fields->f_uimm = value;
1019 case LM32_OPERAND_R0 :
1020 fields->f_r0 = value;
1022 case LM32_OPERAND_R1 :
1023 fields->f_r1 = value;
1025 case LM32_OPERAND_R2 :
1026 fields->f_r2 = value;
1028 case LM32_OPERAND_SHIFT :
1029 fields->f_shift = value;
1031 case LM32_OPERAND_UIMM :
1032 fields->f_uimm = value;
1034 case LM32_OPERAND_USER :
1035 fields->f_user = value;
1039 /* xgettext:c-format */
1040 fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"),
1046 /* Function to call before using the instruction builder tables. */
1049 lm32_cgen_init_ibld_table (CGEN_CPU_DESC cd)
1051 cd->insert_handlers = & lm32_cgen_insert_handlers[0];
1052 cd->extract_handlers = & lm32_cgen_extract_handlers[0];
1054 cd->insert_operand = lm32_cgen_insert_operand;
1055 cd->extract_operand = lm32_cgen_extract_operand;
1057 cd->get_int_operand = lm32_cgen_get_int_operand;
1058 cd->set_int_operand = lm32_cgen_set_int_operand;
1059 cd->get_vma_operand = lm32_cgen_get_vma_operand;
1060 cd->set_vma_operand = lm32_cgen_set_vma_operand;