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Stop the ARM short mapping symbol test being run for the symbianelf target.
[deliverable/binutils-gdb.git] / opcodes / aarch64-opc.c
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a06ea964 1/* aarch64-opc.c -- AArch64 opcode support.
b90efa5b 2 Copyright (C) 2009-2015 Free Software Foundation, Inc.
a06ea964
NC		 3 Contributed by ARM Ltd.
4
5 This file is part of the GNU opcodes library.
6
7 This library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
11
12 It is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; see the file COPYING3. If not,
19 see <http://www.gnu.org/licenses/>. */
20
21#include "sysdep.h"
22#include <assert.h>
23#include <stdlib.h>
24#include <stdio.h>
25#include <stdint.h>
26#include <stdarg.h>
27#include <inttypes.h>
28
29#include "opintl.h"
30
31#include "aarch64-opc.h"
32
33#ifdef DEBUG_AARCH64
34int debug_dump = FALSE;
35#endif /* DEBUG_AARCH64 */
36
37/* Helper functions to determine which operand to be used to encode/decode
38 the size:Q fields for AdvSIMD instructions. */
39
40static inline bfd_boolean
41vector_qualifier_p (enum aarch64_opnd_qualifier qualifier)
42{
43 return ((qualifier >= AARCH64_OPND_QLF_V_8B
44 && qualifier <= AARCH64_OPND_QLF_V_1Q) ? TRUE
45 : FALSE);
46}
47
48static inline bfd_boolean
49fp_qualifier_p (enum aarch64_opnd_qualifier qualifier)
50{
51 return ((qualifier >= AARCH64_OPND_QLF_S_B
52 && qualifier <= AARCH64_OPND_QLF_S_Q) ? TRUE
53 : FALSE);
54}
55
56enum data_pattern
57{
58 DP_UNKNOWN,
59 DP_VECTOR_3SAME,
60 DP_VECTOR_LONG,
61 DP_VECTOR_WIDE,
62 DP_VECTOR_ACROSS_LANES,
63};
64
65static const char significant_operand_index [] =
66{
67 0, /* DP_UNKNOWN, by default using operand 0. */
68 0, /* DP_VECTOR_3SAME */
69 1, /* DP_VECTOR_LONG */
70 2, /* DP_VECTOR_WIDE */
71 1, /* DP_VECTOR_ACROSS_LANES */
72};
73
74/* Given a sequence of qualifiers in QUALIFIERS, determine and return
75 the data pattern.
76 N.B. QUALIFIERS is a possible sequence of qualifiers each of which
77 corresponds to one of a sequence of operands. */
78
79static enum data_pattern
80get_data_pattern (const aarch64_opnd_qualifier_seq_t qualifiers)
81{
82 if (vector_qualifier_p (qualifiers[0]) == TRUE)
83 {
84 /* e.g. v.4s, v.4s, v.4s
85 or v.4h, v.4h, v.h[3]. */
86 if (qualifiers[0] == qualifiers[1]
87 && vector_qualifier_p (qualifiers[2]) == TRUE
88 && (aarch64_get_qualifier_esize (qualifiers[0])
89 == aarch64_get_qualifier_esize (qualifiers[1]))
90 && (aarch64_get_qualifier_esize (qualifiers[0])
91 == aarch64_get_qualifier_esize (qualifiers[2])))
92 return DP_VECTOR_3SAME;
93 /* e.g. v.8h, v.8b, v.8b.
94 or v.4s, v.4h, v.h[2].
95 or v.8h, v.16b. */
96 if (vector_qualifier_p (qualifiers[1]) == TRUE
97 && aarch64_get_qualifier_esize (qualifiers[0]) != 0
98 && (aarch64_get_qualifier_esize (qualifiers[0])
99 == aarch64_get_qualifier_esize (qualifiers[1]) << 1))
100 return DP_VECTOR_LONG;
101 /* e.g. v.8h, v.8h, v.8b. */
102 if (qualifiers[0] == qualifiers[1]
103 && vector_qualifier_p (qualifiers[2]) == TRUE
104 && aarch64_get_qualifier_esize (qualifiers[0]) != 0
105 && (aarch64_get_qualifier_esize (qualifiers[0])
106 == aarch64_get_qualifier_esize (qualifiers[2]) << 1)
107 && (aarch64_get_qualifier_esize (qualifiers[0])
108 == aarch64_get_qualifier_esize (qualifiers[1])))
109 return DP_VECTOR_WIDE;
110 }
111 else if (fp_qualifier_p (qualifiers[0]) == TRUE)
112 {
113 /* e.g. SADDLV <V><d>, <Vn>.<T>. */
114 if (vector_qualifier_p (qualifiers[1]) == TRUE
115 && qualifiers[2] == AARCH64_OPND_QLF_NIL)
116 return DP_VECTOR_ACROSS_LANES;
117 }
118
119 return DP_UNKNOWN;
120}
121
122/* Select the operand to do the encoding/decoding of the 'size:Q' fields in
123 the AdvSIMD instructions. */
124/* N.B. it is possible to do some optimization that doesn't call
125 get_data_pattern each time when we need to select an operand. We can
126 either buffer the caculated the result or statically generate the data,
127 however, it is not obvious that the optimization will bring significant
128 benefit. */
129
130int
131aarch64_select_operand_for_sizeq_field_coding (const aarch64_opcode *opcode)
132{
133 return
134 significant_operand_index [get_data_pattern (opcode->qualifiers_list[0])];
135}
136\f
137const aarch64_field fields[] =
138{
139 { 0, 0 }, /* NIL. */
140 { 0, 4 }, /* cond2: condition in truly conditional-executed inst. */
141 { 0, 4 }, /* nzcv: flag bit specifier, encoded in the "nzcv" field. */
142 { 5, 5 }, /* defgh: d:e:f:g:h bits in AdvSIMD modified immediate. */
143 { 16, 3 }, /* abc: a:b:c bits in AdvSIMD modified immediate. */
144 { 5, 19 }, /* imm19: e.g. in CBZ. */
145 { 5, 19 }, /* immhi: e.g. in ADRP. */
146 { 29, 2 }, /* immlo: e.g. in ADRP. */
147 { 22, 2 }, /* size: in most AdvSIMD and floating-point instructions. */
148 { 10, 2 }, /* vldst_size: size field in the AdvSIMD load/store inst. */
149 { 29, 1 }, /* op: in AdvSIMD modified immediate instructions. */
150 { 30, 1 }, /* Q: in most AdvSIMD instructions. */
151 { 0, 5 }, /* Rt: in load/store instructions. */
152 { 0, 5 }, /* Rd: in many integer instructions. */
153 { 5, 5 }, /* Rn: in many integer instructions. */
154 { 10, 5 }, /* Rt2: in load/store pair instructions. */
155 { 10, 5 }, /* Ra: in fp instructions. */
156 { 5, 3 }, /* op2: in the system instructions. */
157 { 8, 4 }, /* CRm: in the system instructions. */
158 { 12, 4 }, /* CRn: in the system instructions. */
159 { 16, 3 }, /* op1: in the system instructions. */
160 { 19, 2 }, /* op0: in the system instructions. */
161 { 10, 3 }, /* imm3: in add/sub extended reg instructions. */
162 { 12, 4 }, /* cond: condition flags as a source operand. */
163 { 12, 4 }, /* opcode: in advsimd load/store instructions. */
164 { 12, 4 }, /* cmode: in advsimd modified immediate instructions. */
165 { 13, 3 }, /* asisdlso_opcode: opcode in advsimd ld/st single element. */
166 { 13, 2 }, /* len: in advsimd tbl/tbx instructions. */
167 { 16, 5 }, /* Rm: in ld/st reg offset and some integer inst. */
168 { 16, 5 }, /* Rs: in load/store exclusive instructions. */
169 { 13, 3 }, /* option: in ld/st reg offset + add/sub extended reg inst. */
170 { 12, 1 }, /* S: in load/store reg offset instructions. */
171 { 21, 2 }, /* hw: in move wide constant instructions. */
172 { 22, 2 }, /* opc: in load/store reg offset instructions. */
173 { 23, 1 }, /* opc1: in load/store reg offset instructions. */
174 { 22, 2 }, /* shift: in add/sub reg/imm shifted instructions. */
175 { 22, 2 }, /* type: floating point type field in fp data inst. */
176 { 30, 2 }, /* ldst_size: size field in ld/st reg offset inst. */
177 { 10, 6 }, /* imm6: in add/sub reg shifted instructions. */
178 { 11, 4 }, /* imm4: in advsimd ext and advsimd ins instructions. */
179 { 16, 5 }, /* imm5: in conditional compare (immediate) instructions. */
180 { 15, 7 }, /* imm7: in load/store pair pre/post index instructions. */
181 { 13, 8 }, /* imm8: in floating-point scalar move immediate inst. */
182 { 12, 9 }, /* imm9: in load/store pre/post index instructions. */
183 { 10, 12 }, /* imm12: in ld/st unsigned imm or add/sub shifted inst. */
184 { 5, 14 }, /* imm14: in test bit and branch instructions. */
185 { 5, 16 }, /* imm16: in exception instructions. */
186 { 0, 26 }, /* imm26: in unconditional branch instructions. */
187 { 10, 6 }, /* imms: in bitfield and logical immediate instructions. */
188 { 16, 6 }, /* immr: in bitfield and logical immediate instructions. */
189 { 16, 3 }, /* immb: in advsimd shift by immediate instructions. */
190 { 19, 4 }, /* immh: in advsimd shift by immediate instructions. */
191 { 22, 1 }, /* N: in logical (immediate) instructions. */
192 { 11, 1 }, /* index: in ld/st inst deciding the pre/post-index. */
193 { 24, 1 }, /* index2: in ld/st pair inst deciding the pre/post-index. */
194 { 31, 1 }, /* sf: in integer data processing instructions. */
ee804238 195 { 30, 1 }, /* lse_size: in LSE extension atomic instructions. */
a06ea964
NC		 196 { 11, 1 }, /* H: in advsimd scalar x indexed element instructions. */
197 { 21, 1 }, /* L: in advsimd scalar x indexed element instructions. */
198 { 20, 1 }, /* M: in advsimd scalar x indexed element instructions. */
199 { 31, 1 }, /* b5: in the test bit and branch instructions. */
200 { 19, 5 }, /* b40: in the test bit and branch instructions. */
201 { 10, 6 }, /* scale: in the fixed-point scalar to fp converting inst. */
202};
203
204enum aarch64_operand_class
205aarch64_get_operand_class (enum aarch64_opnd type)
206{
207 return aarch64_operands[type].op_class;
208}
209
210const char *
211aarch64_get_operand_name (enum aarch64_opnd type)
212{
213 return aarch64_operands[type].name;
214}
215
216/* Get operand description string.
217 This is usually for the diagnosis purpose. */
218const char *
219aarch64_get_operand_desc (enum aarch64_opnd type)
220{
221 return aarch64_operands[type].desc;
222}
223
224/* Table of all conditional affixes. */
225const aarch64_cond aarch64_conds[16] =
226{
227 {{"eq"}, 0x0},
228 {{"ne"}, 0x1},
229 {{"cs", "hs"}, 0x2},
230 {{"cc", "lo", "ul"}, 0x3},
231 {{"mi"}, 0x4},
232 {{"pl"}, 0x5},
233 {{"vs"}, 0x6},
234 {{"vc"}, 0x7},
235 {{"hi"}, 0x8},
236 {{"ls"}, 0x9},
237 {{"ge"}, 0xa},
238 {{"lt"}, 0xb},
239 {{"gt"}, 0xc},
240 {{"le"}, 0xd},
241 {{"al"}, 0xe},
242 {{"nv"}, 0xf},
243};
244
245const aarch64_cond *
246get_cond_from_value (aarch64_insn value)
247{
248 assert (value < 16);
249 return &aarch64_conds[(unsigned int) value];
250}
251
252const aarch64_cond *
253get_inverted_cond (const aarch64_cond *cond)
254{
255 return &aarch64_conds[cond->value ^ 0x1];
256}
257
258/* Table describing the operand extension/shifting operators; indexed by
259 enum aarch64_modifier_kind.
260
261 The value column provides the most common values for encoding modifiers,
262 which enables table-driven encoding/decoding for the modifiers. */
263const struct aarch64_name_value_pair aarch64_operand_modifiers [] =
264{
265 {"none", 0x0},
266 {"msl", 0x0},
267 {"ror", 0x3},
268 {"asr", 0x2},
269 {"lsr", 0x1},
270 {"lsl", 0x0},
271 {"uxtb", 0x0},
272 {"uxth", 0x1},
273 {"uxtw", 0x2},
274 {"uxtx", 0x3},
275 {"sxtb", 0x4},
276 {"sxth", 0x5},
277 {"sxtw", 0x6},
278 {"sxtx", 0x7},
279 {NULL, 0},
280};
281
282enum aarch64_modifier_kind
283aarch64_get_operand_modifier (const struct aarch64_name_value_pair *desc)
284{
285 return desc - aarch64_operand_modifiers;
286}
287
288aarch64_insn
289aarch64_get_operand_modifier_value (enum aarch64_modifier_kind kind)
290{
291 return aarch64_operand_modifiers[kind].value;
292}
293
294enum aarch64_modifier_kind
295aarch64_get_operand_modifier_from_value (aarch64_insn value,
296 bfd_boolean extend_p)
297{
298 if (extend_p == TRUE)
299 return AARCH64_MOD_UXTB + value;
300 else
301 return AARCH64_MOD_LSL - value;
302}
303
304bfd_boolean
305aarch64_extend_operator_p (enum aarch64_modifier_kind kind)
306{
307 return (kind > AARCH64_MOD_LSL && kind <= AARCH64_MOD_SXTX)
308 ? TRUE : FALSE;
309}
310
311static inline bfd_boolean
312aarch64_shift_operator_p (enum aarch64_modifier_kind kind)
313{
314 return (kind >= AARCH64_MOD_ROR && kind <= AARCH64_MOD_LSL)
315 ? TRUE : FALSE;
316}
317
318const struct aarch64_name_value_pair aarch64_barrier_options[16] =
319{
320 { "#0x00", 0x0 },
321 { "oshld", 0x1 },
322 { "oshst", 0x2 },
323 { "osh", 0x3 },
324 { "#0x04", 0x4 },
325 { "nshld", 0x5 },
326 { "nshst", 0x6 },
327 { "nsh", 0x7 },
328 { "#0x08", 0x8 },
329 { "ishld", 0x9 },
330 { "ishst", 0xa },
331 { "ish", 0xb },
332 { "#0x0c", 0xc },
333 { "ld", 0xd },
334 { "st", 0xe },
335 { "sy", 0xf },
336};
337
a32c3ff8 338/* op -> op: load = 0 instruction = 1 store = 2
a06ea964
NC		 339 l -> level: 1-3
340 t -> temporal: temporal (retained) = 0 non-temporal (streaming) = 1 */
a32c3ff8 341#define B(op,l,t) (((op) << 3) | (((l) - 1) << 1) | (t))
a06ea964
NC		 342const struct aarch64_name_value_pair aarch64_prfops[32] =
343{
344 { "pldl1keep", B(0, 1, 0) },
345 { "pldl1strm", B(0, 1, 1) },
346 { "pldl2keep", B(0, 2, 0) },
347 { "pldl2strm", B(0, 2, 1) },
348 { "pldl3keep", B(0, 3, 0) },
349 { "pldl3strm", B(0, 3, 1) },
a1ccaec9
YZ		 350 { NULL, 0x06 },
351 { NULL, 0x07 },
a32c3ff8
NC		 352 { "plil1keep", B(1, 1, 0) },
353 { "plil1strm", B(1, 1, 1) },
354 { "plil2keep", B(1, 2, 0) },
355 { "plil2strm", B(1, 2, 1) },
356 { "plil3keep", B(1, 3, 0) },
357 { "plil3strm", B(1, 3, 1) },
a1ccaec9
YZ		 358 { NULL, 0x0e },
359 { NULL, 0x0f },
a32c3ff8
NC		 360 { "pstl1keep", B(2, 1, 0) },
361 { "pstl1strm", B(2, 1, 1) },
362 { "pstl2keep", B(2, 2, 0) },
363 { "pstl2strm", B(2, 2, 1) },
364 { "pstl3keep", B(2, 3, 0) },
365 { "pstl3strm", B(2, 3, 1) },
a1ccaec9
YZ		 366 { NULL, 0x16 },
367 { NULL, 0x17 },
368 { NULL, 0x18 },
369 { NULL, 0x19 },
370 { NULL, 0x1a },
371 { NULL, 0x1b },
372 { NULL, 0x1c },
373 { NULL, 0x1d },
374 { NULL, 0x1e },
375 { NULL, 0x1f },
a06ea964
NC		 376};
377#undef B
378\f
379/* Utilities on value constraint. */
380
381static inline int
382value_in_range_p (int64_t value, int low, int high)
383{
384 return (value >= low && value <= high) ? 1 : 0;
385}
386
387static inline int
388value_aligned_p (int64_t value, int align)
389{
390 return ((value & (align - 1)) == 0) ? 1 : 0;
391}
392
393/* A signed value fits in a field. */
394static inline int
395value_fit_signed_field_p (int64_t value, unsigned width)
396{
397 assert (width < 32);
398 if (width < sizeof (value) * 8)
399 {
400 int64_t lim = (int64_t)1 << (width - 1);
401 if (value >= -lim && value < lim)
402 return 1;
403 }
404 return 0;
405}
406
407/* An unsigned value fits in a field. */
408static inline int
409value_fit_unsigned_field_p (int64_t value, unsigned width)
410{
411 assert (width < 32);
412 if (width < sizeof (value) * 8)
413 {
414 int64_t lim = (int64_t)1 << width;
415 if (value >= 0 && value < lim)
416 return 1;
417 }
418 return 0;
419}
420
421/* Return 1 if OPERAND is SP or WSP. */
422int
423aarch64_stack_pointer_p (const aarch64_opnd_info *operand)
424{
425 return ((aarch64_get_operand_class (operand->type)
426 == AARCH64_OPND_CLASS_INT_REG)
427 && operand_maybe_stack_pointer (aarch64_operands + operand->type)
428 && operand->reg.regno == 31);
429}
430
431/* Return 1 if OPERAND is XZR or WZP. */
432int
433aarch64_zero_register_p (const aarch64_opnd_info *operand)
434{
435 return ((aarch64_get_operand_class (operand->type)
436 == AARCH64_OPND_CLASS_INT_REG)
437 && !operand_maybe_stack_pointer (aarch64_operands + operand->type)
438 && operand->reg.regno == 31);
439}
440
441/* Return true if the operand *OPERAND that has the operand code
442 OPERAND->TYPE and been qualified by OPERAND->QUALIFIER can be also
443 qualified by the qualifier TARGET. */
444
445static inline int
446operand_also_qualified_p (const struct aarch64_opnd_info *operand,
447 aarch64_opnd_qualifier_t target)
448{
449 switch (operand->qualifier)
450 {
451 case AARCH64_OPND_QLF_W:
452 if (target == AARCH64_OPND_QLF_WSP && aarch64_stack_pointer_p (operand))
453 return 1;
454 break;
455 case AARCH64_OPND_QLF_X:
456 if (target == AARCH64_OPND_QLF_SP && aarch64_stack_pointer_p (operand))
457 return 1;
458 break;
459 case AARCH64_OPND_QLF_WSP:
460 if (target == AARCH64_OPND_QLF_W
461 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
462 return 1;
463 break;
464 case AARCH64_OPND_QLF_SP:
465 if (target == AARCH64_OPND_QLF_X
466 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
467 return 1;
468 break;
469 default:
470 break;
471 }
472
473 return 0;
474}
475
476/* Given qualifier sequence list QSEQ_LIST and the known qualifier KNOWN_QLF
477 for operand KNOWN_IDX, return the expected qualifier for operand IDX.
478
479 Return NIL if more than one expected qualifiers are found. */
480
481aarch64_opnd_qualifier_t
482aarch64_get_expected_qualifier (const aarch64_opnd_qualifier_seq_t *qseq_list,
483 int idx,
484 const aarch64_opnd_qualifier_t known_qlf,
485 int known_idx)
486{
487 int i, saved_i;
488
489 /* Special case.
490
491 When the known qualifier is NIL, we have to assume that there is only
492 one qualifier sequence in the *QSEQ_LIST and return the corresponding
493 qualifier directly. One scenario is that for instruction
494 PRFM <prfop>, [<Xn|SP>, #:lo12:<symbol>]
495 which has only one possible valid qualifier sequence
496 NIL, S_D
497 the caller may pass NIL in KNOWN_QLF to obtain S_D so that it can
498 determine the correct relocation type (i.e. LDST64_LO12) for PRFM.
499
500 Because the qualifier NIL has dual roles in the qualifier sequence:
501 it can mean no qualifier for the operand, or the qualifer sequence is
502 not in use (when all qualifiers in the sequence are NILs), we have to
503 handle this special case here. */
504 if (known_qlf == AARCH64_OPND_NIL)
505 {
506 assert (qseq_list[0][known_idx] == AARCH64_OPND_NIL);
507 return qseq_list[0][idx];
508 }
509
510 for (i = 0, saved_i = -1; i < AARCH64_MAX_QLF_SEQ_NUM; ++i)
511 {
512 if (qseq_list[i][known_idx] == known_qlf)
513 {
514 if (saved_i != -1)
515 /* More than one sequences are found to have KNOWN_QLF at
516 KNOWN_IDX. */
517 return AARCH64_OPND_NIL;
518 saved_i = i;
519 }
520 }
521
522 return qseq_list[saved_i][idx];
523}
524
525enum operand_qualifier_kind
526{
527 OQK_NIL,
528 OQK_OPD_VARIANT,
529 OQK_VALUE_IN_RANGE,
530 OQK_MISC,
531};
532
533/* Operand qualifier description. */
534struct operand_qualifier_data
535{
536 /* The usage of the three data fields depends on the qualifier kind. */
537 int data0;
538 int data1;
539 int data2;
540 /* Description. */
541 const char *desc;
542 /* Kind. */
543 enum operand_qualifier_kind kind;
544};
545
546/* Indexed by the operand qualifier enumerators. */
547struct operand_qualifier_data aarch64_opnd_qualifiers[] =
548{
549 {0, 0, 0, "NIL", OQK_NIL},
550
551 /* Operand variant qualifiers.
552 First 3 fields:
553 element size, number of elements and common value for encoding. */
554
555 {4, 1, 0x0, "w", OQK_OPD_VARIANT},
556 {8, 1, 0x1, "x", OQK_OPD_VARIANT},
557 {4, 1, 0x0, "wsp", OQK_OPD_VARIANT},
558 {8, 1, 0x1, "sp", OQK_OPD_VARIANT},
559
560 {1, 1, 0x0, "b", OQK_OPD_VARIANT},
561 {2, 1, 0x1, "h", OQK_OPD_VARIANT},
562 {4, 1, 0x2, "s", OQK_OPD_VARIANT},
563 {8, 1, 0x3, "d", OQK_OPD_VARIANT},
564 {16, 1, 0x4, "q", OQK_OPD_VARIANT},
565
566 {1, 8, 0x0, "8b", OQK_OPD_VARIANT},
567 {1, 16, 0x1, "16b", OQK_OPD_VARIANT},
568 {2, 4, 0x2, "4h", OQK_OPD_VARIANT},
569 {2, 8, 0x3, "8h", OQK_OPD_VARIANT},
570 {4, 2, 0x4, "2s", OQK_OPD_VARIANT},
571 {4, 4, 0x5, "4s", OQK_OPD_VARIANT},
572 {8, 1, 0x6, "1d", OQK_OPD_VARIANT},
573 {8, 2, 0x7, "2d", OQK_OPD_VARIANT},
574 {16, 1, 0x8, "1q", OQK_OPD_VARIANT},
575
576 /* Qualifiers constraining the value range.
577 First 3 fields:
578 Lower bound, higher bound, unused. */
579
580 {0, 7, 0, "imm_0_7" , OQK_VALUE_IN_RANGE},
581 {0, 15, 0, "imm_0_15", OQK_VALUE_IN_RANGE},
582 {0, 31, 0, "imm_0_31", OQK_VALUE_IN_RANGE},
583 {0, 63, 0, "imm_0_63", OQK_VALUE_IN_RANGE},
584 {1, 32, 0, "imm_1_32", OQK_VALUE_IN_RANGE},
585 {1, 64, 0, "imm_1_64", OQK_VALUE_IN_RANGE},
586
587 /* Qualifiers for miscellaneous purpose.
588 First 3 fields:
589 unused, unused and unused. */
590
591 {0, 0, 0, "lsl", 0},
592 {0, 0, 0, "msl", 0},
593
594 {0, 0, 0, "retrieving", 0},
595};
596
597static inline bfd_boolean
598operand_variant_qualifier_p (aarch64_opnd_qualifier_t qualifier)
599{
600 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_OPD_VARIANT)
601 ? TRUE : FALSE;
602}
603
604static inline bfd_boolean
605qualifier_value_in_range_constraint_p (aarch64_opnd_qualifier_t qualifier)
606{
607 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_VALUE_IN_RANGE)
608 ? TRUE : FALSE;
609}
610
611const char*
612aarch64_get_qualifier_name (aarch64_opnd_qualifier_t qualifier)
613{
614 return aarch64_opnd_qualifiers[qualifier].desc;
615}
616
617/* Given an operand qualifier, return the expected data element size
618 of a qualified operand. */
619unsigned char
620aarch64_get_qualifier_esize (aarch64_opnd_qualifier_t qualifier)
621{
622 assert (operand_variant_qualifier_p (qualifier) == TRUE);
623 return aarch64_opnd_qualifiers[qualifier].data0;
624}
625
626unsigned char
627aarch64_get_qualifier_nelem (aarch64_opnd_qualifier_t qualifier)
628{
629 assert (operand_variant_qualifier_p (qualifier) == TRUE);
630 return aarch64_opnd_qualifiers[qualifier].data1;
631}
632
633aarch64_insn
634aarch64_get_qualifier_standard_value (aarch64_opnd_qualifier_t qualifier)
635{
636 assert (operand_variant_qualifier_p (qualifier) == TRUE);
637 return aarch64_opnd_qualifiers[qualifier].data2;
638}
639
640static int
641get_lower_bound (aarch64_opnd_qualifier_t qualifier)
642{
643 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
644 return aarch64_opnd_qualifiers[qualifier].data0;
645}
646
647static int
648get_upper_bound (aarch64_opnd_qualifier_t qualifier)
649{
650 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
651 return aarch64_opnd_qualifiers[qualifier].data1;
652}
653
654#ifdef DEBUG_AARCH64
655void
656aarch64_verbose (const char *str, ...)
657{
658 va_list ap;
659 va_start (ap, str);
660 printf ("#### ");
661 vprintf (str, ap);
662 printf ("\n");
663 va_end (ap);
664}
665
666static inline void
667dump_qualifier_sequence (const aarch64_opnd_qualifier_t *qualifier)
668{
669 int i;
670 printf ("#### \t");
671 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i, ++qualifier)
672 printf ("%s,", aarch64_get_qualifier_name (*qualifier));
673 printf ("\n");
674}
675
676static void
677dump_match_qualifiers (const struct aarch64_opnd_info *opnd,
678 const aarch64_opnd_qualifier_t *qualifier)
679{
680 int i;
681 aarch64_opnd_qualifier_t curr[AARCH64_MAX_OPND_NUM];
682
683 aarch64_verbose ("dump_match_qualifiers:");
684 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
685 curr[i] = opnd[i].qualifier;
686 dump_qualifier_sequence (curr);
687 aarch64_verbose ("against");
688 dump_qualifier_sequence (qualifier);
689}
690#endif /* DEBUG_AARCH64 */
691
692/* TODO improve this, we can have an extra field at the runtime to
693 store the number of operands rather than calculating it every time. */
694
695int
696aarch64_num_of_operands (const aarch64_opcode *opcode)
697{
698 int i = 0;
699 const enum aarch64_opnd *opnds = opcode->operands;
700 while (opnds[i++] != AARCH64_OPND_NIL)
701 ;
702 --i;
703 assert (i >= 0 && i <= AARCH64_MAX_OPND_NUM);
704 return i;
705}
706
707/* Find the best matched qualifier sequence in *QUALIFIERS_LIST for INST.
708 If succeeds, fill the found sequence in *RET, return 1; otherwise return 0.
709
710 N.B. on the entry, it is very likely that only some operands in *INST
711 have had their qualifiers been established.
712
713 If STOP_AT is not -1, the function will only try to match
714 the qualifier sequence for operands before and including the operand
715 of index STOP_AT; and on success *RET will only be filled with the first
716 (STOP_AT+1) qualifiers.
717
718 A couple examples of the matching algorithm:
719
720 X,W,NIL should match
721 X,W,NIL
722
723 NIL,NIL should match
724 X ,NIL
725
726 Apart from serving the main encoding routine, this can also be called
727 during or after the operand decoding. */
728
729int
730aarch64_find_best_match (const aarch64_inst *inst,
731 const aarch64_opnd_qualifier_seq_t *qualifiers_list,
732 int stop_at, aarch64_opnd_qualifier_t *ret)
733{
734 int found = 0;
735 int i, num_opnds;
736 const aarch64_opnd_qualifier_t *qualifiers;
737
738 num_opnds = aarch64_num_of_operands (inst->opcode);
739 if (num_opnds == 0)
740 {
741 DEBUG_TRACE ("SUCCEED: no operand");
742 return 1;
743 }
744
745 if (stop_at < 0 || stop_at >= num_opnds)
746 stop_at = num_opnds - 1;
747
748 /* For each pattern. */
749 for (i = 0; i < AARCH64_MAX_QLF_SEQ_NUM; ++i, ++qualifiers_list)
750 {
751 int j;
752 qualifiers = *qualifiers_list;
753
754 /* Start as positive. */
755 found = 1;
756
757 DEBUG_TRACE ("%d", i);
758#ifdef DEBUG_AARCH64
759 if (debug_dump)
760 dump_match_qualifiers (inst->operands, qualifiers);
761#endif
762
763 /* Most opcodes has much fewer patterns in the list.
764 First NIL qualifier indicates the end in the list. */
765 if (empty_qualifier_sequence_p (qualifiers) == TRUE)
766 {
767 DEBUG_TRACE_IF (i == 0, "SUCCEED: empty qualifier list");
768 if (i)
769 found = 0;
770 break;
771 }
772
773 for (j = 0; j < num_opnds && j <= stop_at; ++j, ++qualifiers)
774 {
775 if (inst->operands[j].qualifier == AARCH64_OPND_QLF_NIL)
776 {
777 /* Either the operand does not have qualifier, or the qualifier
778 for the operand needs to be deduced from the qualifier
779 sequence.
780 In the latter case, any constraint checking related with
781 the obtained qualifier should be done later in
782 operand_general_constraint_met_p. */
783 continue;
784 }
785 else if (*qualifiers != inst->operands[j].qualifier)
786 {
787 /* Unless the target qualifier can also qualify the operand
788 (which has already had a non-nil qualifier), non-equal
789 qualifiers are generally un-matched. */
790 if (operand_also_qualified_p (inst->operands + j, *qualifiers))
791 continue;
792 else
793 {
794 found = 0;
795 break;
796 }
797 }
798 else
799 continue; /* Equal qualifiers are certainly matched. */
800 }
801
802 /* Qualifiers established. */
803 if (found == 1)
804 break;
805 }
806
807 if (found == 1)
808 {
809 /* Fill the result in *RET. */
810 int j;
811 qualifiers = *qualifiers_list;
812
813 DEBUG_TRACE ("complete qualifiers using list %d", i);
814#ifdef DEBUG_AARCH64
815 if (debug_dump)
816 dump_qualifier_sequence (qualifiers);
817#endif
818
819 for (j = 0; j <= stop_at; ++j, ++qualifiers)
820 ret[j] = *qualifiers;
821 for (; j < AARCH64_MAX_OPND_NUM; ++j)
822 ret[j] = AARCH64_OPND_QLF_NIL;
823
824 DEBUG_TRACE ("SUCCESS");
825 return 1;
826 }
827
828 DEBUG_TRACE ("FAIL");
829 return 0;
830}
831
832/* Operand qualifier matching and resolving.
833
834 Return 1 if the operand qualifier(s) in *INST match one of the qualifier
835 sequences in INST->OPCODE->qualifiers_list; otherwise return 0.
836
837 if UPDATE_P == TRUE, update the qualifier(s) in *INST after the matching
838 succeeds. */
839
840static int
841match_operands_qualifier (aarch64_inst *inst, bfd_boolean update_p)
842{
843 int i;
844 aarch64_opnd_qualifier_seq_t qualifiers;
845
846 if (!aarch64_find_best_match (inst, inst->opcode->qualifiers_list, -1,
847 qualifiers))
848 {
849 DEBUG_TRACE ("matching FAIL");
850 return 0;
851 }
852
853 /* Update the qualifiers. */
854 if (update_p == TRUE)
855 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
856 {
857 if (inst->opcode->operands[i] == AARCH64_OPND_NIL)
858 break;
859 DEBUG_TRACE_IF (inst->operands[i].qualifier != qualifiers[i],
860 "update %s with %s for operand %d",
861 aarch64_get_qualifier_name (inst->operands[i].qualifier),
862 aarch64_get_qualifier_name (qualifiers[i]), i);
863 inst->operands[i].qualifier = qualifiers[i];
864 }
865
866 DEBUG_TRACE ("matching SUCCESS");
867 return 1;
868}
869
870/* Return TRUE if VALUE is a wide constant that can be moved into a general
871 register by MOVZ.
872
873 IS32 indicates whether value is a 32-bit immediate or not.
874 If SHIFT_AMOUNT is not NULL, on the return of TRUE, the logical left shift
875 amount will be returned in *SHIFT_AMOUNT. */
876
877bfd_boolean
878aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount)
879{
880 int amount;
881
882 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
883
884 if (is32)
885 {
886 /* Allow all zeros or all ones in top 32-bits, so that
887 32-bit constant expressions like ~0x80000000 are
888 permitted. */
889 uint64_t ext = value;
890 if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff)
891 /* Immediate out of range. */
892 return FALSE;
893 value &= (int64_t) 0xffffffff;
894 }
895
896 /* first, try movz then movn */
897 amount = -1;
898 if ((value & ((int64_t) 0xffff << 0)) == value)
899 amount = 0;
900 else if ((value & ((int64_t) 0xffff << 16)) == value)
901 amount = 16;
902 else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value)
903 amount = 32;
904 else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value)
905 amount = 48;
906
907 if (amount == -1)
908 {
909 DEBUG_TRACE ("exit FALSE with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
910 return FALSE;
911 }
912
913 if (shift_amount != NULL)
914 *shift_amount = amount;
915
916 DEBUG_TRACE ("exit TRUE with amount %d", amount);
917
918 return TRUE;
919}
920
921/* Build the accepted values for immediate logical SIMD instructions.
922
923 The standard encodings of the immediate value are:
924 N imms immr SIMD size R S
925 1 ssssss rrrrrr 64 UInt(rrrrrr) UInt(ssssss)
926 0 0sssss 0rrrrr 32 UInt(rrrrr) UInt(sssss)
927 0 10ssss 00rrrr 16 UInt(rrrr) UInt(ssss)
928 0 110sss 000rrr 8 UInt(rrr) UInt(sss)
929 0 1110ss 0000rr 4 UInt(rr) UInt(ss)
930 0 11110s 00000r 2 UInt(r) UInt(s)
931 where all-ones value of S is reserved.
932
933 Let's call E the SIMD size.
934
935 The immediate value is: S+1 bits '1' rotated to the right by R.
936
937 The total of valid encodings is 64*63 + 32*31 + ... + 2*1 = 5334
938 (remember S != E - 1). */
939
940#define TOTAL_IMM_NB 5334
941
942typedef struct
943{
944 uint64_t imm;
945 aarch64_insn encoding;
946} simd_imm_encoding;
947
948static simd_imm_encoding simd_immediates[TOTAL_IMM_NB];
949
950static int
951simd_imm_encoding_cmp(const void *i1, const void *i2)
952{
953 const simd_imm_encoding *imm1 = (const simd_imm_encoding *)i1;
954 const simd_imm_encoding *imm2 = (const simd_imm_encoding *)i2;
955
956 if (imm1->imm < imm2->imm)
957 return -1;
958 if (imm1->imm > imm2->imm)
959 return +1;
960 return 0;
961}
962
963/* immediate bitfield standard encoding
964 imm13<12> imm13<5:0> imm13<11:6> SIMD size R S
965 1 ssssss rrrrrr 64 rrrrrr ssssss
966 0 0sssss 0rrrrr 32 rrrrr sssss
967 0 10ssss 00rrrr 16 rrrr ssss
968 0 110sss 000rrr 8 rrr sss
969 0 1110ss 0000rr 4 rr ss
970 0 11110s 00000r 2 r s */
971static inline int
972encode_immediate_bitfield (int is64, uint32_t s, uint32_t r)
973{
974 return (is64 << 12) | (r << 6) | s;
975}
976
977static void
978build_immediate_table (void)
979{
980 uint32_t log_e, e, s, r, s_mask;
981 uint64_t mask, imm;
982 int nb_imms;
983 int is64;
984
985 nb_imms = 0;
986 for (log_e = 1; log_e <= 6; log_e++)
987 {
988 /* Get element size. */
989 e = 1u << log_e;
990 if (log_e == 6)
991 {
992 is64 = 1;
993 mask = 0xffffffffffffffffull;
994 s_mask = 0;
995 }
996 else
997 {
998 is64 = 0;
999 mask = (1ull << e) - 1;
1000 /* log_e s_mask
1001 1 ((1 << 4) - 1) << 2 = 111100
1002 2 ((1 << 3) - 1) << 3 = 111000
1003 3 ((1 << 2) - 1) << 4 = 110000
1004 4 ((1 << 1) - 1) << 5 = 100000
1005 5 ((1 << 0) - 1) << 6 = 000000 */
1006 s_mask = ((1u << (5 - log_e)) - 1) << (log_e + 1);
1007 }
1008 for (s = 0; s < e - 1; s++)
1009 for (r = 0; r < e; r++)
1010 {
1011 /* s+1 consecutive bits to 1 (s < 63) */
1012 imm = (1ull << (s + 1)) - 1;
1013 /* rotate right by r */
1014 if (r != 0)
1015 imm = (imm >> r) | ((imm << (e - r)) & mask);
1016 /* replicate the constant depending on SIMD size */
1017 switch (log_e)
1018 {
1019 case 1: imm = (imm << 2) | imm;
1020 case 2: imm = (imm << 4) | imm;
1021 case 3: imm = (imm << 8) | imm;
1022 case 4: imm = (imm << 16) | imm;
1023 case 5: imm = (imm << 32) | imm;
1024 case 6: break;
1025 default: abort ();
1026 }
1027 simd_immediates[nb_imms].imm = imm;
1028 simd_immediates[nb_imms].encoding =
1029 encode_immediate_bitfield(is64, s | s_mask, r);
1030 nb_imms++;
1031 }
1032 }
1033 assert (nb_imms == TOTAL_IMM_NB);
1034 qsort(simd_immediates, nb_imms,
1035 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1036}
1037
1038/* Return TRUE if VALUE is a valid logical immediate, i.e. bitmask, that can
1039 be accepted by logical (immediate) instructions
1040 e.g. ORR <Xd|SP>, <Xn>, #<imm>.
1041
1042 IS32 indicates whether or not VALUE is a 32-bit immediate.
1043 If ENCODING is not NULL, on the return of TRUE, the standard encoding for
1044 VALUE will be returned in *ENCODING. */
1045
1046bfd_boolean
1047aarch64_logical_immediate_p (uint64_t value, int is32, aarch64_insn *encoding)
1048{
1049 simd_imm_encoding imm_enc;
1050 const simd_imm_encoding *imm_encoding;
1051 static bfd_boolean initialized = FALSE;
1052
1053 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 "), is32: %d", value,
1054 value, is32);
1055
1056 if (initialized == FALSE)
1057 {
1058 build_immediate_table ();
1059 initialized = TRUE;
1060 }
1061
1062 if (is32)
1063 {
1064 /* Allow all zeros or all ones in top 32-bits, so that
1065 constant expressions like ~1 are permitted. */
1066 if (value >> 32 != 0 && value >> 32 != 0xffffffff)
7e105031
NC		 1067 return FALSE;
1068
a06ea964
NC		 1069 /* Replicate the 32 lower bits to the 32 upper bits. */
1070 value &= 0xffffffff;
1071 value |= value << 32;
1072 }
1073
1074 imm_enc.imm = value;
1075 imm_encoding = (const simd_imm_encoding *)
1076 bsearch(&imm_enc, simd_immediates, TOTAL_IMM_NB,
1077 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1078 if (imm_encoding == NULL)
1079 {
1080 DEBUG_TRACE ("exit with FALSE");
1081 return FALSE;
1082 }
1083 if (encoding != NULL)
1084 *encoding = imm_encoding->encoding;
1085 DEBUG_TRACE ("exit with TRUE");
1086 return TRUE;
1087}
1088
1089/* If 64-bit immediate IMM is in the format of
1090 "aaaaaaaabbbbbbbbccccccccddddddddeeeeeeeeffffffffgggggggghhhhhhhh",
1091 where a, b, c, d, e, f, g and h are independently 0 or 1, return an integer
1092 of value "abcdefgh". Otherwise return -1. */
1093int
1094aarch64_shrink_expanded_imm8 (uint64_t imm)
1095{
1096 int i, ret;
1097 uint32_t byte;
1098
1099 ret = 0;
1100 for (i = 0; i < 8; i++)
1101 {
1102 byte = (imm >> (8 * i)) & 0xff;
1103 if (byte == 0xff)
1104 ret |= 1 << i;
1105 else if (byte != 0x00)
1106 return -1;
1107 }
1108 return ret;
1109}
1110
1111/* Utility inline functions for operand_general_constraint_met_p. */
1112
1113static inline void
1114set_error (aarch64_operand_error *mismatch_detail,
1115 enum aarch64_operand_error_kind kind, int idx,
1116 const char* error)
1117{
1118 if (mismatch_detail == NULL)
1119 return;
1120 mismatch_detail->kind = kind;
1121 mismatch_detail->index = idx;
1122 mismatch_detail->error = error;
1123}
1124
4e50d5f8
YZ		 1125static inline void
1126set_syntax_error (aarch64_operand_error *mismatch_detail, int idx,
1127 const char* error)
1128{
1129 if (mismatch_detail == NULL)
1130 return;
1131 set_error (mismatch_detail, AARCH64_OPDE_SYNTAX_ERROR, idx, error);
1132}
1133
a06ea964
NC		 1134static inline void
1135set_out_of_range_error (aarch64_operand_error *mismatch_detail,
1136 int idx, int lower_bound, int upper_bound,
1137 const char* error)
1138{
1139 if (mismatch_detail == NULL)
1140 return;
1141 set_error (mismatch_detail, AARCH64_OPDE_OUT_OF_RANGE, idx, error);
1142 mismatch_detail->data[0] = lower_bound;
1143 mismatch_detail->data[1] = upper_bound;
1144}
1145
1146static inline void
1147set_imm_out_of_range_error (aarch64_operand_error *mismatch_detail,
1148 int idx, int lower_bound, int upper_bound)
1149{
1150 if (mismatch_detail == NULL)
1151 return;
1152 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1153 _("immediate value"));
1154}
1155
1156static inline void
1157set_offset_out_of_range_error (aarch64_operand_error *mismatch_detail,
1158 int idx, int lower_bound, int upper_bound)
1159{
1160 if (mismatch_detail == NULL)
1161 return;
1162 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1163 _("immediate offset"));
1164}
1165
1166static inline void
1167set_regno_out_of_range_error (aarch64_operand_error *mismatch_detail,
1168 int idx, int lower_bound, int upper_bound)
1169{
1170 if (mismatch_detail == NULL)
1171 return;
1172 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1173 _("register number"));
1174}
1175
1176static inline void
1177set_elem_idx_out_of_range_error (aarch64_operand_error *mismatch_detail,
1178 int idx, int lower_bound, int upper_bound)
1179{
1180 if (mismatch_detail == NULL)
1181 return;
1182 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1183 _("register element index"));
1184}
1185
1186static inline void
1187set_sft_amount_out_of_range_error (aarch64_operand_error *mismatch_detail,
1188 int idx, int lower_bound, int upper_bound)
1189{
1190 if (mismatch_detail == NULL)
1191 return;
1192 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1193 _("shift amount"));
1194}
1195
1196static inline void
1197set_unaligned_error (aarch64_operand_error *mismatch_detail, int idx,
1198 int alignment)
1199{
1200 if (mismatch_detail == NULL)
1201 return;
1202 set_error (mismatch_detail, AARCH64_OPDE_UNALIGNED, idx, NULL);
1203 mismatch_detail->data[0] = alignment;
1204}
1205
1206static inline void
1207set_reg_list_error (aarch64_operand_error *mismatch_detail, int idx,
1208 int expected_num)
1209{
1210 if (mismatch_detail == NULL)
1211 return;
1212 set_error (mismatch_detail, AARCH64_OPDE_REG_LIST, idx, NULL);
1213 mismatch_detail->data[0] = expected_num;
1214}
1215
1216static inline void
1217set_other_error (aarch64_operand_error *mismatch_detail, int idx,
1218 const char* error)
1219{
1220 if (mismatch_detail == NULL)
1221 return;
1222 set_error (mismatch_detail, AARCH64_OPDE_OTHER_ERROR, idx, error);
1223}
1224
1225/* General constraint checking based on operand code.
1226
1227 Return 1 if OPNDS[IDX] meets the general constraint of operand code TYPE
1228 as the IDXth operand of opcode OPCODE. Otherwise return 0.
1229
1230 This function has to be called after the qualifiers for all operands
1231 have been resolved.
1232
1233 Mismatching error message is returned in *MISMATCH_DETAIL upon request,
1234 i.e. when MISMATCH_DETAIL is non-NULL. This avoids the generation
1235 of error message during the disassembling where error message is not
1236 wanted. We avoid the dynamic construction of strings of error messages
1237 here (i.e. in libopcodes), as it is costly and complicated; instead, we
1238 use a combination of error code, static string and some integer data to
1239 represent an error. */
1240
1241static int
1242operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
1243 enum aarch64_opnd type,
1244 const aarch64_opcode *opcode,
1245 aarch64_operand_error *mismatch_detail)
1246{
1247 unsigned num;
1248 unsigned char size;
1249 int64_t imm;
1250 const aarch64_opnd_info *opnd = opnds + idx;
1251 aarch64_opnd_qualifier_t qualifier = opnd->qualifier;
1252
1253 assert (opcode->operands[idx] == opnd->type && opnd->type == type);
1254
1255 switch (aarch64_operands[type].op_class)
1256 {
1257 case AARCH64_OPND_CLASS_INT_REG:
ee804238
JW		 1258 /* Check pair reg constraints for cas* instructions. */
1259 if (type == AARCH64_OPND_PAIRREG)
1260 {
1261 assert (idx == 1 || idx == 3);
1262 if (opnds[idx - 1].reg.regno % 2 != 0)
1263 {
1264 set_syntax_error (mismatch_detail, idx - 1,
1265 _("reg pair must start from even reg"));
1266 return 0;
1267 }
1268 if (opnds[idx].reg.regno != opnds[idx - 1].reg.regno + 1)
1269 {
1270 set_syntax_error (mismatch_detail, idx,
1271 _("reg pair must be contiguous"));
1272 return 0;
1273 }
1274 break;
1275 }
1276
a06ea964
NC		 1277 /* <Xt> may be optional in some IC and TLBI instructions. */
1278 if (type == AARCH64_OPND_Rt_SYS)
1279 {
1280 assert (idx == 1 && (aarch64_get_operand_class (opnds[0].type)
1281 == AARCH64_OPND_CLASS_SYSTEM));
1282 if (opnds[1].present && !opnds[0].sysins_op->has_xt)
1283 {
1284 set_other_error (mismatch_detail, idx, _("extraneous register"));
1285 return 0;
1286 }
1287 if (!opnds[1].present && opnds[0].sysins_op->has_xt)
1288 {
1289 set_other_error (mismatch_detail, idx, _("missing register"));
1290 return 0;
1291 }
1292 }
1293 switch (qualifier)
1294 {
1295 case AARCH64_OPND_QLF_WSP:
1296 case AARCH64_OPND_QLF_SP:
1297 if (!aarch64_stack_pointer_p (opnd))
1298 {
1299 set_other_error (mismatch_detail, idx,
1300 _("stack pointer register expected"));
1301 return 0;
1302 }
1303 break;
1304 default:
1305 break;
1306 }
1307 break;
1308
68a64283
YZ		 1309 case AARCH64_OPND_CLASS_COND:
1310 if (type == AARCH64_OPND_COND1
1311 && (opnds[idx].cond->value & 0xe) == 0xe)
1312 {
1313 /* Not allow AL or NV. */
1314 set_syntax_error (mismatch_detail, idx, NULL);
1315 }
1316 break;
1317
a06ea964
NC		 1318 case AARCH64_OPND_CLASS_ADDRESS:
1319 /* Check writeback. */
1320 switch (opcode->iclass)
1321 {
1322 case ldst_pos:
1323 case ldst_unscaled:
1324 case ldstnapair_offs:
1325 case ldstpair_off:
1326 case ldst_unpriv:
1327 if (opnd->addr.writeback == 1)
1328 {
4e50d5f8
YZ		 1329 set_syntax_error (mismatch_detail, idx,
1330 _("unexpected address writeback"));
a06ea964
NC		 1331 return 0;
1332 }
1333 break;
1334 case ldst_imm9:
1335 case ldstpair_indexed:
1336 case asisdlsep:
1337 case asisdlsop:
1338 if (opnd->addr.writeback == 0)
1339 {
4e50d5f8
YZ		 1340 set_syntax_error (mismatch_detail, idx,
1341 _("address writeback expected"));
a06ea964
NC		 1342 return 0;
1343 }
1344 break;
1345 default:
1346 assert (opnd->addr.writeback == 0);
1347 break;
1348 }
1349 switch (type)
1350 {
1351 case AARCH64_OPND_ADDR_SIMM7:
1352 /* Scaled signed 7 bits immediate offset. */
1353 /* Get the size of the data element that is accessed, which may be
1354 different from that of the source register size,
1355 e.g. in strb/ldrb. */
1356 size = aarch64_get_qualifier_esize (opnd->qualifier);
1357 if (!value_in_range_p (opnd->addr.offset.imm, -64 * size, 63 * size))
1358 {
1359 set_offset_out_of_range_error (mismatch_detail, idx,
1360 -64 * size, 63 * size);
1361 return 0;
1362 }
1363 if (!value_aligned_p (opnd->addr.offset.imm, size))
1364 {
1365 set_unaligned_error (mismatch_detail, idx, size);
1366 return 0;
1367 }
1368 break;
1369 case AARCH64_OPND_ADDR_SIMM9:
1370 /* Unscaled signed 9 bits immediate offset. */
1371 if (!value_in_range_p (opnd->addr.offset.imm, -256, 255))
1372 {
1373 set_offset_out_of_range_error (mismatch_detail, idx, -256, 255);
1374 return 0;
1375 }
1376 break;
1377
1378 case AARCH64_OPND_ADDR_SIMM9_2:
1379 /* Unscaled signed 9 bits immediate offset, which has to be negative
1380 or unaligned. */
1381 size = aarch64_get_qualifier_esize (qualifier);
1382 if ((value_in_range_p (opnd->addr.offset.imm, 0, 255)
1383 && !value_aligned_p (opnd->addr.offset.imm, size))
1384 || value_in_range_p (opnd->addr.offset.imm, -256, -1))
1385 return 1;
1386 set_other_error (mismatch_detail, idx,
1387 _("negative or unaligned offset expected"));
1388 return 0;
1389
1390 case AARCH64_OPND_SIMD_ADDR_POST:
1391 /* AdvSIMD load/store multiple structures, post-index. */
1392 assert (idx == 1);
1393 if (opnd->addr.offset.is_reg)
1394 {
1395 if (value_in_range_p (opnd->addr.offset.regno, 0, 30))
1396 return 1;
1397 else
1398 {
1399 set_other_error (mismatch_detail, idx,
1400 _("invalid register offset"));
1401 return 0;
1402 }
1403 }
1404 else
1405 {
1406 const aarch64_opnd_info *prev = &opnds[idx-1];
1407 unsigned num_bytes; /* total number of bytes transferred. */
1408 /* The opcode dependent area stores the number of elements in
1409 each structure to be loaded/stored. */
1410 int is_ld1r = get_opcode_dependent_value (opcode) == 1;
1411 if (opcode->operands[0] == AARCH64_OPND_LVt_AL)
1412 /* Special handling of loading single structure to all lane. */
1413 num_bytes = (is_ld1r ? 1 : prev->reglist.num_regs)
1414 * aarch64_get_qualifier_esize (prev->qualifier);
1415 else
1416 num_bytes = prev->reglist.num_regs
1417 * aarch64_get_qualifier_esize (prev->qualifier)
1418 * aarch64_get_qualifier_nelem (prev->qualifier);
1419 if ((int) num_bytes != opnd->addr.offset.imm)
1420 {
1421 set_other_error (mismatch_detail, idx,
1422 _("invalid post-increment amount"));
1423 return 0;
1424 }
1425 }
1426 break;
1427
1428 case AARCH64_OPND_ADDR_REGOFF:
1429 /* Get the size of the data element that is accessed, which may be
1430 different from that of the source register size,
1431 e.g. in strb/ldrb. */
1432 size = aarch64_get_qualifier_esize (opnd->qualifier);
1433 /* It is either no shift or shift by the binary logarithm of SIZE. */
1434 if (opnd->shifter.amount != 0
1435 && opnd->shifter.amount != (int)get_logsz (size))
1436 {
1437 set_other_error (mismatch_detail, idx,
1438 _("invalid shift amount"));
1439 return 0;
1440 }
1441 /* Only UXTW, LSL, SXTW and SXTX are the accepted extending
1442 operators. */
1443 switch (opnd->shifter.kind)
1444 {
1445 case AARCH64_MOD_UXTW:
1446 case AARCH64_MOD_LSL:
1447 case AARCH64_MOD_SXTW:
1448 case AARCH64_MOD_SXTX: break;
1449 default:
1450 set_other_error (mismatch_detail, idx,
1451 _("invalid extend/shift operator"));
1452 return 0;
1453 }
1454 break;
1455
1456 case AARCH64_OPND_ADDR_UIMM12:
1457 imm = opnd->addr.offset.imm;
1458 /* Get the size of the data element that is accessed, which may be
1459 different from that of the source register size,
1460 e.g. in strb/ldrb. */
1461 size = aarch64_get_qualifier_esize (qualifier);
1462 if (!value_in_range_p (opnd->addr.offset.imm, 0, 4095 * size))
1463 {
1464 set_offset_out_of_range_error (mismatch_detail, idx,
1465 0, 4095 * size);
1466 return 0;
1467 }
9de794e1 1468 if (!value_aligned_p (opnd->addr.offset.imm, size))
a06ea964
NC		 1469 {
1470 set_unaligned_error (mismatch_detail, idx, size);
1471 return 0;
1472 }
1473 break;
1474
1475 case AARCH64_OPND_ADDR_PCREL14:
1476 case AARCH64_OPND_ADDR_PCREL19:
1477 case AARCH64_OPND_ADDR_PCREL21:
1478 case AARCH64_OPND_ADDR_PCREL26:
1479 imm = opnd->imm.value;
1480 if (operand_need_shift_by_two (get_operand_from_code (type)))
1481 {
1482 /* The offset value in a PC-relative branch instruction is alway
1483 4-byte aligned and is encoded without the lowest 2 bits. */
1484 if (!value_aligned_p (imm, 4))
1485 {
1486 set_unaligned_error (mismatch_detail, idx, 4);
1487 return 0;
1488 }
1489 /* Right shift by 2 so that we can carry out the following check
1490 canonically. */
1491 imm >>= 2;
1492 }
1493 size = get_operand_fields_width (get_operand_from_code (type));
1494 if (!value_fit_signed_field_p (imm, size))
1495 {
1496 set_other_error (mismatch_detail, idx,
1497 _("immediate out of range"));
1498 return 0;
1499 }
1500 break;
1501
1502 default:
1503 break;
1504 }
1505 break;
1506
1507 case AARCH64_OPND_CLASS_SIMD_REGLIST:
1508 /* The opcode dependent area stores the number of elements in
1509 each structure to be loaded/stored. */
1510 num = get_opcode_dependent_value (opcode);
1511 switch (type)
1512 {
1513 case AARCH64_OPND_LVt:
1514 assert (num >= 1 && num <= 4);
1515 /* Unless LD1/ST1, the number of registers should be equal to that
1516 of the structure elements. */
1517 if (num != 1 && opnd->reglist.num_regs != num)
1518 {
1519 set_reg_list_error (mismatch_detail, idx, num);
1520 return 0;
1521 }
1522 break;
1523 case AARCH64_OPND_LVt_AL:
1524 case AARCH64_OPND_LEt:
1525 assert (num >= 1 && num <= 4);
1526 /* The number of registers should be equal to that of the structure
1527 elements. */
1528 if (opnd->reglist.num_regs != num)
1529 {
1530 set_reg_list_error (mismatch_detail, idx, num);
1531 return 0;
1532 }
1533 break;
1534 default:
1535 break;
1536 }
1537 break;
1538
1539 case AARCH64_OPND_CLASS_IMMEDIATE:
1540 /* Constraint check on immediate operand. */
1541 imm = opnd->imm.value;
1542 /* E.g. imm_0_31 constrains value to be 0..31. */
1543 if (qualifier_value_in_range_constraint_p (qualifier)
1544 && !value_in_range_p (imm, get_lower_bound (qualifier),
1545 get_upper_bound (qualifier)))
1546 {
1547 set_imm_out_of_range_error (mismatch_detail, idx,
1548 get_lower_bound (qualifier),
1549 get_upper_bound (qualifier));
1550 return 0;
1551 }
1552
1553 switch (type)
1554 {
1555 case AARCH64_OPND_AIMM:
1556 if (opnd->shifter.kind != AARCH64_MOD_LSL)
1557 {
1558 set_other_error (mismatch_detail, idx,
1559 _("invalid shift operator"));
1560 return 0;
1561 }
1562 if (opnd->shifter.amount != 0 && opnd->shifter.amount != 12)
1563 {
1564 set_other_error (mismatch_detail, idx,
1565 _("shift amount expected to be 0 or 12"));
1566 return 0;
1567 }
1568 if (!value_fit_unsigned_field_p (opnd->imm.value, 12))
1569 {
1570 set_other_error (mismatch_detail, idx,
1571 _("immediate out of range"));
1572 return 0;
1573 }
1574 break;
1575
1576 case AARCH64_OPND_HALF:
1577 assert (idx == 1 && opnds[0].type == AARCH64_OPND_Rd);
1578 if (opnd->shifter.kind != AARCH64_MOD_LSL)
1579 {
1580 set_other_error (mismatch_detail, idx,
1581 _("invalid shift operator"));
1582 return 0;
1583 }
1584 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
1585 if (!value_aligned_p (opnd->shifter.amount, 16))
1586 {
1587 set_other_error (mismatch_detail, idx,
1588 _("shift amount should be a multiple of 16"));
1589 return 0;
1590 }
1591 if (!value_in_range_p (opnd->shifter.amount, 0, size * 8 - 16))
1592 {
1593 set_sft_amount_out_of_range_error (mismatch_detail, idx,
1594 0, size * 8 - 16);
1595 return 0;
1596 }
1597 if (opnd->imm.value < 0)
1598 {
1599 set_other_error (mismatch_detail, idx,
1600 _("negative immediate value not allowed"));
1601 return 0;
1602 }
1603 if (!value_fit_unsigned_field_p (opnd->imm.value, 16))
1604 {
1605 set_other_error (mismatch_detail, idx,
1606 _("immediate out of range"));
1607 return 0;
1608 }
1609 break;
1610
1611 case AARCH64_OPND_IMM_MOV:
1612 {
1613 int is32 = aarch64_get_qualifier_esize (opnds[0].qualifier) == 4;
1614 imm = opnd->imm.value;
1615 assert (idx == 1);
1616 switch (opcode->op)
1617 {
1618 case OP_MOV_IMM_WIDEN:
1619 imm = ~imm;
1620 /* Fall through... */
1621 case OP_MOV_IMM_WIDE:
1622 if (!aarch64_wide_constant_p (imm, is32, NULL))
1623 {
1624 set_other_error (mismatch_detail, idx,
1625 _("immediate out of range"));
1626 return 0;
1627 }
1628 break;
1629 case OP_MOV_IMM_LOG:
1630 if (!aarch64_logical_immediate_p (imm, is32, NULL))
1631 {
1632 set_other_error (mismatch_detail, idx,
1633 _("immediate out of range"));
1634 return 0;
1635 }
1636 break;
1637 default:
1638 assert (0);
1639 return 0;
1640 }
1641 }
1642 break;
1643
1644 case AARCH64_OPND_NZCV:
1645 case AARCH64_OPND_CCMP_IMM:
1646 case AARCH64_OPND_EXCEPTION:
1647 case AARCH64_OPND_UIMM4:
1648 case AARCH64_OPND_UIMM7:
1649 case AARCH64_OPND_UIMM3_OP1:
1650 case AARCH64_OPND_UIMM3_OP2:
1651 size = get_operand_fields_width (get_operand_from_code (type));
1652 assert (size < 32);
1653 if (!value_fit_unsigned_field_p (opnd->imm.value, size))
1654 {
1655 set_imm_out_of_range_error (mismatch_detail, idx, 0,
1656 (1 << size) - 1);
1657 return 0;
1658 }
1659 break;
1660
1661 case AARCH64_OPND_WIDTH:
1662 assert (idx == 3 && opnds[idx-1].type == AARCH64_OPND_IMM
1663 && opnds[0].type == AARCH64_OPND_Rd);
1664 size = get_upper_bound (qualifier);
1665 if (opnd->imm.value + opnds[idx-1].imm.value > size)
1666 /* lsb+width <= reg.size */
1667 {
1668 set_imm_out_of_range_error (mismatch_detail, idx, 1,
1669 size - opnds[idx-1].imm.value);
1670 return 0;
1671 }
1672 break;
1673
1674 case AARCH64_OPND_LIMM:
1675 {
1676 int is32 = opnds[0].qualifier == AARCH64_OPND_QLF_W;
1677 uint64_t uimm = opnd->imm.value;
1678 if (opcode->op == OP_BIC)
1679 uimm = ~uimm;
1680 if (aarch64_logical_immediate_p (uimm, is32, NULL) == FALSE)
1681 {
1682 set_other_error (mismatch_detail, idx,
1683 _("immediate out of range"));
1684 return 0;
1685 }
1686 }
1687 break;
1688
1689 case AARCH64_OPND_IMM0:
1690 case AARCH64_OPND_FPIMM0:
1691 if (opnd->imm.value != 0)
1692 {
1693 set_other_error (mismatch_detail, idx,
1694 _("immediate zero expected"));
1695 return 0;
1696 }
1697 break;
1698
1699 case AARCH64_OPND_SHLL_IMM:
1700 assert (idx == 2);
1701 size = 8 * aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
1702 if (opnd->imm.value != size)
1703 {
1704 set_other_error (mismatch_detail, idx,
1705 _("invalid shift amount"));
1706 return 0;
1707 }
1708 break;
1709
1710 case AARCH64_OPND_IMM_VLSL:
1711 size = aarch64_get_qualifier_esize (qualifier);
1712 if (!value_in_range_p (opnd->imm.value, 0, size * 8 - 1))
1713 {
1714 set_imm_out_of_range_error (mismatch_detail, idx, 0,
1715 size * 8 - 1);
1716 return 0;
1717 }
1718 break;
1719
1720 case AARCH64_OPND_IMM_VLSR:
1721 size = aarch64_get_qualifier_esize (qualifier);
1722 if (!value_in_range_p (opnd->imm.value, 1, size * 8))
1723 {
1724 set_imm_out_of_range_error (mismatch_detail, idx, 1, size * 8);
1725 return 0;
1726 }
1727 break;
1728
1729 case AARCH64_OPND_SIMD_IMM:
1730 case AARCH64_OPND_SIMD_IMM_SFT:
1731 /* Qualifier check. */
1732 switch (qualifier)
1733 {
1734 case AARCH64_OPND_QLF_LSL:
1735 if (opnd->shifter.kind != AARCH64_MOD_LSL)
1736 {
1737 set_other_error (mismatch_detail, idx,
1738 _("invalid shift operator"));
1739 return 0;
1740 }
1741 break;
1742 case AARCH64_OPND_QLF_MSL:
1743 if (opnd->shifter.kind != AARCH64_MOD_MSL)
1744 {
1745 set_other_error (mismatch_detail, idx,
1746 _("invalid shift operator"));
1747 return 0;
1748 }
1749 break;
1750 case AARCH64_OPND_QLF_NIL:
1751 if (opnd->shifter.kind != AARCH64_MOD_NONE)
1752 {
1753 set_other_error (mismatch_detail, idx,
1754 _("shift is not permitted"));
1755 return 0;
1756 }
1757 break;
1758 default:
1759 assert (0);
1760 return 0;
1761 }
1762 /* Is the immediate valid? */
1763 assert (idx == 1);
1764 if (aarch64_get_qualifier_esize (opnds[0].qualifier) != 8)
1765 {
d2865ed3
YZ		 1766 /* uimm8 or simm8 */
1767 if (!value_in_range_p (opnd->imm.value, -128, 255))
a06ea964 1768 {
d2865ed3 1769 set_imm_out_of_range_error (mismatch_detail, idx, -128, 255);
a06ea964
NC		 1770 return 0;
1771 }
1772 }
1773 else if (aarch64_shrink_expanded_imm8 (opnd->imm.value) < 0)
1774 {
1775 /* uimm64 is not
1776 'aaaaaaaabbbbbbbbccccccccddddddddeeeeeeee
1777 ffffffffgggggggghhhhhhhh'. */
1778 set_other_error (mismatch_detail, idx,
1779 _("invalid value for immediate"));
1780 return 0;
1781 }
1782 /* Is the shift amount valid? */
1783 switch (opnd->shifter.kind)
1784 {
1785 case AARCH64_MOD_LSL:
1786 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
f5555712 1787 if (!value_in_range_p (opnd->shifter.amount, 0, (size - 1) * 8))
a06ea964 1788 {
f5555712
YZ		 1789 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0,
1790 (size - 1) * 8);
a06ea964
NC		 1791 return 0;
1792 }
f5555712 1793 if (!value_aligned_p (opnd->shifter.amount, 8))
a06ea964 1794 {
f5555712 1795 set_unaligned_error (mismatch_detail, idx, 8);
a06ea964
NC		 1796 return 0;
1797 }
1798 break;
1799 case AARCH64_MOD_MSL:
1800 /* Only 8 and 16 are valid shift amount. */
1801 if (opnd->shifter.amount != 8 && opnd->shifter.amount != 16)
1802 {
1803 set_other_error (mismatch_detail, idx,
1804 _("shift amount expected to be 0 or 16"));
1805 return 0;
1806 }
1807 break;
1808 default:
1809 if (opnd->shifter.kind != AARCH64_MOD_NONE)
1810 {
1811 set_other_error (mismatch_detail, idx,
1812 _("invalid shift operator"));
1813 return 0;
1814 }
1815 break;
1816 }
1817 break;
1818
1819 case AARCH64_OPND_FPIMM:
1820 case AARCH64_OPND_SIMD_FPIMM:
1821 if (opnd->imm.is_fp == 0)
1822 {
1823 set_other_error (mismatch_detail, idx,
1824 _("floating-point immediate expected"));
1825 return 0;
1826 }
1827 /* The value is expected to be an 8-bit floating-point constant with
1828 sign, 3-bit exponent and normalized 4 bits of precision, encoded
1829 in "a:b:c:d:e:f:g:h" or FLD_imm8 (depending on the type of the
1830 instruction). */
1831 if (!value_in_range_p (opnd->imm.value, 0, 255))
1832 {
1833 set_other_error (mismatch_detail, idx,
1834 _("immediate out of range"));
1835 return 0;
1836 }
1837 if (opnd->shifter.kind != AARCH64_MOD_NONE)
1838 {
1839 set_other_error (mismatch_detail, idx,
1840 _("invalid shift operator"));
1841 return 0;
1842 }
1843 break;
1844
1845 default:
1846 break;
1847 }
1848 break;
1849
1850 case AARCH64_OPND_CLASS_CP_REG:
1851 /* Cn or Cm: 4-bit opcode field named for historical reasons.
1852 valid range: C0 - C15. */
1853 if (opnd->reg.regno > 15)
1854 {
1855 set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
1856 return 0;
1857 }
1858 break;
1859
1860 case AARCH64_OPND_CLASS_SYSTEM:
1861 switch (type)
1862 {
1863 case AARCH64_OPND_PSTATEFIELD:
1864 assert (idx == 0 && opnds[1].type == AARCH64_OPND_UIMM4);
c2825638
MW		 1865 /* MSR PAN, #uimm4
1866 The immediate must be #0 or #1. */
1867 if (opnd->pstatefield == 0x04 /* PAN. */
1868 && opnds[1].imm.value > 1)
1869 {
1870 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
1871 return 0;
1872 }
a06ea964
NC		 1873 /* MSR SPSel, #uimm4
1874 Uses uimm4 as a control value to select the stack pointer: if
1875 bit 0 is set it selects the current exception level's stack
1876 pointer, if bit 0 is clear it selects shared EL0 stack pointer.
1877 Bits 1 to 3 of uimm4 are reserved and should be zero. */
1878 if (opnd->pstatefield == 0x05 /* spsel */ && opnds[1].imm.value > 1)
1879 {
1880 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
1881 return 0;
1882 }
1883 break;
1884 default:
1885 break;
1886 }
1887 break;
1888
1889 case AARCH64_OPND_CLASS_SIMD_ELEMENT:
1890 /* Get the upper bound for the element index. */
1891 num = 16 / aarch64_get_qualifier_esize (qualifier) - 1;
1892 /* Index out-of-range. */
1893 if (!value_in_range_p (opnd->reglane.index, 0, num))
1894 {
1895 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
1896 return 0;
1897 }
1898 /* SMLAL<Q> <Vd>.<Ta>, <Vn>.<Tb>, <Vm>.<Ts>[<index>].
1899 <Vm> Is the vector register (V0-V31) or (V0-V15), whose
1900 number is encoded in "size:M:Rm":
1901 size <Vm>
1902 00 RESERVED
1903 01 0:Rm
1904 10 M:Rm
1905 11 RESERVED */
1906 if (type == AARCH64_OPND_Em && qualifier == AARCH64_OPND_QLF_S_H
1907 && !value_in_range_p (opnd->reglane.regno, 0, 15))
1908 {
1909 set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
1910 return 0;
1911 }
1912 break;
1913
1914 case AARCH64_OPND_CLASS_MODIFIED_REG:
1915 assert (idx == 1 || idx == 2);
1916 switch (type)
1917 {
1918 case AARCH64_OPND_Rm_EXT:
1919 if (aarch64_extend_operator_p (opnd->shifter.kind) == FALSE
1920 && opnd->shifter.kind != AARCH64_MOD_LSL)
1921 {
1922 set_other_error (mismatch_detail, idx,
1923 _("extend operator expected"));
1924 return 0;
1925 }
1926 /* It is not optional unless at least one of "Rd" or "Rn" is '11111'
1927 (i.e. SP), in which case it defaults to LSL. The LSL alias is
1928 only valid when "Rd" or "Rn" is '11111', and is preferred in that
1929 case. */
1930 if (!aarch64_stack_pointer_p (opnds + 0)
1931 && (idx != 2 || !aarch64_stack_pointer_p (opnds + 1)))
1932 {
1933 if (!opnd->shifter.operator_present)
1934 {
1935 set_other_error (mismatch_detail, idx,
1936 _("missing extend operator"));
1937 return 0;
1938 }
1939 else if (opnd->shifter.kind == AARCH64_MOD_LSL)
1940 {
1941 set_other_error (mismatch_detail, idx,
1942 _("'LSL' operator not allowed"));
1943 return 0;
1944 }
1945 }
1946 assert (opnd->shifter.operator_present /* Default to LSL. */
1947 || opnd->shifter.kind == AARCH64_MOD_LSL);
1948 if (!value_in_range_p (opnd->shifter.amount, 0, 4))
1949 {
1950 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 4);
1951 return 0;
1952 }
1953 /* In the 64-bit form, the final register operand is written as Wm
1954 for all but the (possibly omitted) UXTX/LSL and SXTX
1955 operators.
1956 N.B. GAS allows X register to be used with any operator as a
1957 programming convenience. */
1958 if (qualifier == AARCH64_OPND_QLF_X
1959 && opnd->shifter.kind != AARCH64_MOD_LSL
1960 && opnd->shifter.kind != AARCH64_MOD_UXTX
1961 && opnd->shifter.kind != AARCH64_MOD_SXTX)
1962 {
1963 set_other_error (mismatch_detail, idx, _("W register expected"));
1964 return 0;
1965 }
1966 break;
1967
1968 case AARCH64_OPND_Rm_SFT:
1969 /* ROR is not available to the shifted register operand in
1970 arithmetic instructions. */
1971 if (aarch64_shift_operator_p (opnd->shifter.kind) == FALSE)
1972 {
1973 set_other_error (mismatch_detail, idx,
1974 _("shift operator expected"));
1975 return 0;
1976 }
1977 if (opnd->shifter.kind == AARCH64_MOD_ROR
1978 && opcode->iclass != log_shift)
1979 {
1980 set_other_error (mismatch_detail, idx,
1981 _("'ROR' operator not allowed"));
1982 return 0;
1983 }
1984 num = qualifier == AARCH64_OPND_QLF_W ? 31 : 63;
1985 if (!value_in_range_p (opnd->shifter.amount, 0, num))
1986 {
1987 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, num);
1988 return 0;
1989 }
1990 break;
1991
1992 default:
1993 break;
1994 }
1995 break;
1996
1997 default:
1998 break;
1999 }
2000
2001 return 1;
2002}
2003
2004/* Main entrypoint for the operand constraint checking.
2005
2006 Return 1 if operands of *INST meet the constraint applied by the operand
2007 codes and operand qualifiers; otherwise return 0 and if MISMATCH_DETAIL is
2008 not NULL, return the detail of the error in *MISMATCH_DETAIL. N.B. when
2009 adding more constraint checking, make sure MISMATCH_DETAIL->KIND is set
2010 with a proper error kind rather than AARCH64_OPDE_NIL (GAS asserts non-NIL
2011 error kind when it is notified that an instruction does not pass the check).
2012
2013 Un-determined operand qualifiers may get established during the process. */
2014
2015int
2016aarch64_match_operands_constraint (aarch64_inst *inst,
2017 aarch64_operand_error *mismatch_detail)
2018{
2019 int i;
2020
2021 DEBUG_TRACE ("enter");
2022
2023 /* Match operands' qualifier.
2024 *INST has already had qualifier establish for some, if not all, of
2025 its operands; we need to find out whether these established
2026 qualifiers match one of the qualifier sequence in
2027 INST->OPCODE->QUALIFIERS_LIST. If yes, we will assign each operand
2028 with the corresponding qualifier in such a sequence.
2029 Only basic operand constraint checking is done here; the more thorough
2030 constraint checking will carried out by operand_general_constraint_met_p,
2031 which has be to called after this in order to get all of the operands'
2032 qualifiers established. */
2033 if (match_operands_qualifier (inst, TRUE /* update_p */) == 0)
2034 {
2035 DEBUG_TRACE ("FAIL on operand qualifier matching");
2036 if (mismatch_detail)
2037 {
2038 /* Return an error type to indicate that it is the qualifier
2039 matching failure; we don't care about which operand as there
2040 are enough information in the opcode table to reproduce it. */
2041 mismatch_detail->kind = AARCH64_OPDE_INVALID_VARIANT;
2042 mismatch_detail->index = -1;
2043 mismatch_detail->error = NULL;
2044 }
2045 return 0;
2046 }
2047
2048 /* Match operands' constraint. */
2049 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2050 {
2051 enum aarch64_opnd type = inst->opcode->operands[i];
2052 if (type == AARCH64_OPND_NIL)
2053 break;
2054 if (inst->operands[i].skip)
2055 {
2056 DEBUG_TRACE ("skip the incomplete operand %d", i);
2057 continue;
2058 }
2059 if (operand_general_constraint_met_p (inst->operands, i, type,
2060 inst->opcode, mismatch_detail) == 0)
2061 {
2062 DEBUG_TRACE ("FAIL on operand %d", i);
2063 return 0;
2064 }
2065 }
2066
2067 DEBUG_TRACE ("PASS");
2068
2069 return 1;
2070}
2071
2072/* Replace INST->OPCODE with OPCODE and return the replaced OPCODE.
2073 Also updates the TYPE of each INST->OPERANDS with the corresponding
2074 value of OPCODE->OPERANDS.
2075
2076 Note that some operand qualifiers may need to be manually cleared by
2077 the caller before it further calls the aarch64_opcode_encode; by
2078 doing this, it helps the qualifier matching facilities work
2079 properly. */
2080
2081const aarch64_opcode*
2082aarch64_replace_opcode (aarch64_inst *inst, const aarch64_opcode *opcode)
2083{
2084 int i;
2085 const aarch64_opcode *old = inst->opcode;
2086
2087 inst->opcode = opcode;
2088
2089 /* Update the operand types. */
2090 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2091 {
2092 inst->operands[i].type = opcode->operands[i];
2093 if (opcode->operands[i] == AARCH64_OPND_NIL)
2094 break;
2095 }
2096
2097 DEBUG_TRACE ("replace %s with %s", old->name, opcode->name);
2098
2099 return old;
2100}
2101
2102int
2103aarch64_operand_index (const enum aarch64_opnd *operands, enum aarch64_opnd operand)
2104{
2105 int i;
2106 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2107 if (operands[i] == operand)
2108 return i;
2109 else if (operands[i] == AARCH64_OPND_NIL)
2110 break;
2111 return -1;
2112}
2113\f
2114/* [0][0] 32-bit integer regs with sp Wn
2115 [0][1] 64-bit integer regs with sp Xn sf=1
2116 [1][0] 32-bit integer regs with #0 Wn
2117 [1][1] 64-bit integer regs with #0 Xn sf=1 */
2118static const char *int_reg[2][2][32] = {
2119#define R32 "w"
2120#define R64 "x"
2121 { { R32 "0", R32 "1", R32 "2", R32 "3", R32 "4", R32 "5", R32 "6", R32 "7",
2122 R32 "8", R32 "9", R32 "10", R32 "11", R32 "12", R32 "13", R32 "14", R32 "15",
2123 R32 "16", R32 "17", R32 "18", R32 "19", R32 "20", R32 "21", R32 "22", R32 "23",
2124 R32 "24", R32 "25", R32 "26", R32 "27", R32 "28", R32 "29", R32 "30", "wsp" },
2125 { R64 "0", R64 "1", R64 "2", R64 "3", R64 "4", R64 "5", R64 "6", R64 "7",
2126 R64 "8", R64 "9", R64 "10", R64 "11", R64 "12", R64 "13", R64 "14", R64 "15",
2127 R64 "16", R64 "17", R64 "18", R64 "19", R64 "20", R64 "21", R64 "22", R64 "23",
2128 R64 "24", R64 "25", R64 "26", R64 "27", R64 "28", R64 "29", R64 "30", "sp" } },
2129 { { R32 "0", R32 "1", R32 "2", R32 "3", R32 "4", R32 "5", R32 "6", R32 "7",
2130 R32 "8", R32 "9", R32 "10", R32 "11", R32 "12", R32 "13", R32 "14", R32 "15",
2131 R32 "16", R32 "17", R32 "18", R32 "19", R32 "20", R32 "21", R32 "22", R32 "23",
2132 R32 "24", R32 "25", R32 "26", R32 "27", R32 "28", R32 "29", R32 "30", R32 "zr" },
2133 { R64 "0", R64 "1", R64 "2", R64 "3", R64 "4", R64 "5", R64 "6", R64 "7",
2134 R64 "8", R64 "9", R64 "10", R64 "11", R64 "12", R64 "13", R64 "14", R64 "15",
2135 R64 "16", R64 "17", R64 "18", R64 "19", R64 "20", R64 "21", R64 "22", R64 "23",
2136 R64 "24", R64 "25", R64 "26", R64 "27", R64 "28", R64 "29", R64 "30", R64 "zr" } }
2137#undef R64
2138#undef R32
2139};
2140
2141/* Return the integer register name.
2142 if SP_REG_P is not 0, R31 is an SP reg, other R31 is the zero reg. */
2143
2144static inline const char *
2145get_int_reg_name (int regno, aarch64_opnd_qualifier_t qualifier, int sp_reg_p)
2146{
2147 const int has_zr = sp_reg_p ? 0 : 1;
2148 const int is_64 = aarch64_get_qualifier_esize (qualifier) == 4 ? 0 : 1;
2149 return int_reg[has_zr][is_64][regno];
2150}
2151
2152/* Like get_int_reg_name, but IS_64 is always 1. */
2153
2154static inline const char *
2155get_64bit_int_reg_name (int regno, int sp_reg_p)
2156{
2157 const int has_zr = sp_reg_p ? 0 : 1;
2158 return int_reg[has_zr][1][regno];
2159}
2160
2161/* Types for expanding an encoded 8-bit value to a floating-point value. */
2162
2163typedef union
2164{
2165 uint64_t i;
2166 double d;
2167} double_conv_t;
2168
2169typedef union
2170{
2171 uint32_t i;
2172 float f;
2173} single_conv_t;
2174
2175/* IMM8 is an 8-bit floating-point constant with sign, 3-bit exponent and
2176 normalized 4 bits of precision, encoded in "a:b:c:d:e:f:g:h" or FLD_imm8
2177 (depending on the type of the instruction). IMM8 will be expanded to a
2178 single-precision floating-point value (IS_DP == 0) or a double-precision
2179 floating-point value (IS_DP == 1). The expanded value is returned. */
2180
2181static uint64_t
2182expand_fp_imm (int is_dp, uint32_t imm8)
2183{
2184 uint64_t imm;
2185 uint32_t imm8_7, imm8_6_0, imm8_6, imm8_6_repl4;
2186
2187 imm8_7 = (imm8 >> 7) & 0x01; /* imm8<7> */
2188 imm8_6_0 = imm8 & 0x7f; /* imm8<6:0> */
2189 imm8_6 = imm8_6_0 >> 6; /* imm8<6> */
2190 imm8_6_repl4 = (imm8_6 << 3) | (imm8_6 << 2)
2191 | (imm8_6 << 1) | imm8_6; /* Replicate(imm8<6>,4) */
2192 if (is_dp)
2193 {
2194 imm = (imm8_7 << (63-32)) /* imm8<7> */
2195 | ((imm8_6 ^ 1) << (62-32)) /* NOT(imm8<6) */
2196 | (imm8_6_repl4 << (58-32)) | (imm8_6 << (57-32))
2197 | (imm8_6 << (56-32)) | (imm8_6 << (55-32)) /* Replicate(imm8<6>,7) */
2198 | (imm8_6_0 << (48-32)); /* imm8<6>:imm8<5:0> */
2199 imm <<= 32;
2200 }
2201 else
2202 {
2203 imm = (imm8_7 << 31) /* imm8<7> */
2204 | ((imm8_6 ^ 1) << 30) /* NOT(imm8<6>) */
2205 | (imm8_6_repl4 << 26) /* Replicate(imm8<6>,4) */
2206 | (imm8_6_0 << 19); /* imm8<6>:imm8<5:0> */
2207 }
2208
2209 return imm;
2210}
2211
2212/* Produce the string representation of the register list operand *OPND
2213 in the buffer pointed by BUF of size SIZE. */
2214static void
2215print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd)
2216{
2217 const int num_regs = opnd->reglist.num_regs;
2218 const int first_reg = opnd->reglist.first_regno;
2219 const int last_reg = (first_reg + num_regs - 1) & 0x1f;
2220 const char *qlf_name = aarch64_get_qualifier_name (opnd->qualifier);
2221 char tb[8]; /* Temporary buffer. */
2222
2223 assert (opnd->type != AARCH64_OPND_LEt || opnd->reglist.has_index);
2224 assert (num_regs >= 1 && num_regs <= 4);
2225
2226 /* Prepare the index if any. */
2227 if (opnd->reglist.has_index)
2228 snprintf (tb, 8, "[%d]", opnd->reglist.index);
2229 else
2230 tb[0] = '\0';
2231
2232 /* The hyphenated form is preferred for disassembly if there are
2233 more than two registers in the list, and the register numbers
2234 are monotonically increasing in increments of one. */
2235 if (num_regs > 2 && last_reg > first_reg)
2236 snprintf (buf, size, "{v%d.%s-v%d.%s}%s", first_reg, qlf_name,
2237 last_reg, qlf_name, tb);
2238 else
2239 {
2240 const int reg0 = first_reg;
2241 const int reg1 = (first_reg + 1) & 0x1f;
2242 const int reg2 = (first_reg + 2) & 0x1f;
2243 const int reg3 = (first_reg + 3) & 0x1f;
2244
2245 switch (num_regs)
2246 {
2247 case 1:
2248 snprintf (buf, size, "{v%d.%s}%s", reg0, qlf_name, tb);
2249 break;
2250 case 2:
2251 snprintf (buf, size, "{v%d.%s, v%d.%s}%s", reg0, qlf_name,
2252 reg1, qlf_name, tb);
2253 break;
2254 case 3:
2255 snprintf (buf, size, "{v%d.%s, v%d.%s, v%d.%s}%s", reg0, qlf_name,
2256 reg1, qlf_name, reg2, qlf_name, tb);
2257 break;
2258 case 4:
2259 snprintf (buf, size, "{v%d.%s, v%d.%s, v%d.%s, v%d.%s}%s",
2260 reg0, qlf_name, reg1, qlf_name, reg2, qlf_name,
2261 reg3, qlf_name, tb);
2262 break;
2263 }
2264 }
2265}
2266
2267/* Produce the string representation of the register offset address operand
2268 *OPND in the buffer pointed by BUF of size SIZE. */
2269static void
2270print_register_offset_address (char *buf, size_t size,
2271 const aarch64_opnd_info *opnd)
2272{
2273 const size_t tblen = 16;
2274 char tb[tblen]; /* Temporary buffer. */
2275 bfd_boolean lsl_p = FALSE; /* Is LSL shift operator? */
2276 bfd_boolean wm_p = FALSE; /* Should Rm be Wm? */
2277 bfd_boolean print_extend_p = TRUE;
2278 bfd_boolean print_amount_p = TRUE;
2279 const char *shift_name = aarch64_operand_modifiers[opnd->shifter.kind].name;
2280
2281 switch (opnd->shifter.kind)
2282 {
2283 case AARCH64_MOD_UXTW: wm_p = TRUE; break;
2284 case AARCH64_MOD_LSL : lsl_p = TRUE; break;
2285 case AARCH64_MOD_SXTW: wm_p = TRUE; break;
2286 case AARCH64_MOD_SXTX: break;
2287 default: assert (0);
2288 }
2289
2290 if (!opnd->shifter.amount && (opnd->qualifier != AARCH64_OPND_QLF_S_B
2291 || !opnd->shifter.amount_present))
2292 {
2293 /* Not print the shift/extend amount when the amount is zero and
2294 when it is not the special case of 8-bit load/store instruction. */
2295 print_amount_p = FALSE;
2296 /* Likewise, no need to print the shift operator LSL in such a
2297 situation. */
2298 if (lsl_p)
2299 print_extend_p = FALSE;
2300 }
2301
2302 /* Prepare for the extend/shift. */
2303 if (print_extend_p)
2304 {
2305 if (print_amount_p)
2306 snprintf (tb, tblen, ",%s #%d", shift_name, opnd->shifter.amount);
2307 else
2308 snprintf (tb, tblen, ",%s", shift_name);
2309 }
2310 else
2311 tb[0] = '\0';
2312
a58549dd 2313 snprintf (buf, size, "[%s,%s%s]",
a06ea964 2314 get_64bit_int_reg_name (opnd->addr.base_regno, 1),
a58549dd
YZ		 2315 get_int_reg_name (opnd->addr.offset.regno,
2316 wm_p ? AARCH64_OPND_QLF_W : AARCH64_OPND_QLF_X,
2317 0 /* sp_reg_p */),
2318 tb);
a06ea964
NC		 2319}
2320
2321/* Generate the string representation of the operand OPNDS[IDX] for OPCODE
2322 in *BUF. The caller should pass in the maximum size of *BUF in SIZE.
2323 PC, PCREL_P and ADDRESS are used to pass in and return information about
2324 the PC-relative address calculation, where the PC value is passed in
2325 PC. If the operand is pc-relative related, *PCREL_P (if PCREL_P non-NULL)
2326 will return 1 and *ADDRESS (if ADDRESS non-NULL) will return the
2327 calculated address; otherwise, *PCREL_P (if PCREL_P non-NULL) returns 0.
2328
2329 The function serves both the disassembler and the assembler diagnostics
2330 issuer, which is the reason why it lives in this file. */
2331
2332void
2333aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
2334 const aarch64_opcode *opcode,
2335 const aarch64_opnd_info *opnds, int idx, int *pcrel_p,
2336 bfd_vma *address)
2337{
2338 int i;
2339 const char *name = NULL;
2340 const aarch64_opnd_info *opnd = opnds + idx;
2341 enum aarch64_modifier_kind kind;
2342 uint64_t addr;
2343
2344 buf[0] = '\0';
2345 if (pcrel_p)
2346 *pcrel_p = 0;
2347
2348 switch (opnd->type)
2349 {
2350 case AARCH64_OPND_Rd:
2351 case AARCH64_OPND_Rn:
2352 case AARCH64_OPND_Rm:
2353 case AARCH64_OPND_Rt:
2354 case AARCH64_OPND_Rt2:
2355 case AARCH64_OPND_Rs:
2356 case AARCH64_OPND_Ra:
2357 case AARCH64_OPND_Rt_SYS:
ee804238 2358 case AARCH64_OPND_PAIRREG:
a06ea964
NC		 2359 /* The optional-ness of <Xt> in e.g. IC <ic_op>{, <Xt>} is determined by
2360 the <ic_op>, therefore we we use opnd->present to override the
2361 generic optional-ness information. */
2362 if (opnd->type == AARCH64_OPND_Rt_SYS && !opnd->present)
2363 break;
2364 /* Omit the operand, e.g. RET. */
2365 if (optional_operand_p (opcode, idx)
2366 && opnd->reg.regno == get_optional_operand_default_value (opcode))
2367 break;
2368 assert (opnd->qualifier == AARCH64_OPND_QLF_W
2369 || opnd->qualifier == AARCH64_OPND_QLF_X);
2370 snprintf (buf, size, "%s",
2371 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
2372 break;
2373
2374 case AARCH64_OPND_Rd_SP:
2375 case AARCH64_OPND_Rn_SP:
2376 assert (opnd->qualifier == AARCH64_OPND_QLF_W
2377 || opnd->qualifier == AARCH64_OPND_QLF_WSP
2378 || opnd->qualifier == AARCH64_OPND_QLF_X
2379 || opnd->qualifier == AARCH64_OPND_QLF_SP);
2380 snprintf (buf, size, "%s",
2381 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 1));
2382 break;
2383
2384 case AARCH64_OPND_Rm_EXT:
2385 kind = opnd->shifter.kind;
2386 assert (idx == 1 || idx == 2);
2387 if ((aarch64_stack_pointer_p (opnds)
2388 || (idx == 2 && aarch64_stack_pointer_p (opnds + 1)))
2389 && ((opnd->qualifier == AARCH64_OPND_QLF_W
2390 && opnds[0].qualifier == AARCH64_OPND_QLF_W
2391 && kind == AARCH64_MOD_UXTW)
2392 || (opnd->qualifier == AARCH64_OPND_QLF_X
2393 && kind == AARCH64_MOD_UXTX)))
2394 {
2395 /* 'LSL' is the preferred form in this case. */
2396 kind = AARCH64_MOD_LSL;
2397 if (opnd->shifter.amount == 0)
2398 {
2399 /* Shifter omitted. */
2400 snprintf (buf, size, "%s",
2401 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
2402 break;
2403 }
2404 }
2405 if (opnd->shifter.amount)
2406 snprintf (buf, size, "%s, %s #%d",
2407 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
2408 aarch64_operand_modifiers[kind].name,
2409 opnd->shifter.amount);
2410 else
2411 snprintf (buf, size, "%s, %s",
2412 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
2413 aarch64_operand_modifiers[kind].name);
2414 break;
2415
2416 case AARCH64_OPND_Rm_SFT:
2417 assert (opnd->qualifier == AARCH64_OPND_QLF_W
2418 || opnd->qualifier == AARCH64_OPND_QLF_X);
2419 if (opnd->shifter.amount == 0 && opnd->shifter.kind == AARCH64_MOD_LSL)
2420 snprintf (buf, size, "%s",
2421 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
2422 else
2423 snprintf (buf, size, "%s, %s #%d",
2424 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
2425 aarch64_operand_modifiers[opnd->shifter.kind].name,
2426 opnd->shifter.amount);
2427 break;
2428
2429 case AARCH64_OPND_Fd:
2430 case AARCH64_OPND_Fn:
2431 case AARCH64_OPND_Fm:
2432 case AARCH64_OPND_Fa:
2433 case AARCH64_OPND_Ft:
2434 case AARCH64_OPND_Ft2:
2435 case AARCH64_OPND_Sd:
2436 case AARCH64_OPND_Sn:
2437 case AARCH64_OPND_Sm:
2438 snprintf (buf, size, "%s%d", aarch64_get_qualifier_name (opnd->qualifier),
2439 opnd->reg.regno);
2440 break;
2441
2442 case AARCH64_OPND_Vd:
2443 case AARCH64_OPND_Vn:
2444 case AARCH64_OPND_Vm:
2445 snprintf (buf, size, "v%d.%s", opnd->reg.regno,
2446 aarch64_get_qualifier_name (opnd->qualifier));
2447 break;
2448
2449 case AARCH64_OPND_Ed:
2450 case AARCH64_OPND_En:
2451 case AARCH64_OPND_Em:
2452 snprintf (buf, size, "v%d.%s[%d]", opnd->reglane.regno,
2453 aarch64_get_qualifier_name (opnd->qualifier),
2454 opnd->reglane.index);
2455 break;
2456
2457 case AARCH64_OPND_VdD1:
2458 case AARCH64_OPND_VnD1:
2459 snprintf (buf, size, "v%d.d[1]", opnd->reg.regno);
2460 break;
2461
2462 case AARCH64_OPND_LVn:
2463 case AARCH64_OPND_LVt:
2464 case AARCH64_OPND_LVt_AL:
2465 case AARCH64_OPND_LEt:
2466 print_register_list (buf, size, opnd);
2467 break;
2468
2469 case AARCH64_OPND_Cn:
2470 case AARCH64_OPND_Cm:
2471 snprintf (buf, size, "C%d", opnd->reg.regno);
2472 break;
2473
2474 case AARCH64_OPND_IDX:
2475 case AARCH64_OPND_IMM:
2476 case AARCH64_OPND_WIDTH:
2477 case AARCH64_OPND_UIMM3_OP1:
2478 case AARCH64_OPND_UIMM3_OP2:
2479 case AARCH64_OPND_BIT_NUM:
2480 case AARCH64_OPND_IMM_VLSL:
2481 case AARCH64_OPND_IMM_VLSR:
2482 case AARCH64_OPND_SHLL_IMM:
2483 case AARCH64_OPND_IMM0:
2484 case AARCH64_OPND_IMMR:
2485 case AARCH64_OPND_IMMS:
2486 case AARCH64_OPND_FBITS:
a06ea964
NC		 2487 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
2488 break;
2489
fb098a1e
YZ		 2490 case AARCH64_OPND_IMM_MOV:
2491 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
2492 {
2493 case 4: /* e.g. MOV Wd, #<imm32>. */
2494 {
2495 int imm32 = opnd->imm.value;
2496 snprintf (buf, size, "#0x%-20x\t// #%d", imm32, imm32);
2497 }
2498 break;
2499 case 8: /* e.g. MOV Xd, #<imm64>. */
2500 snprintf (buf, size, "#0x%-20" PRIx64 "\t// #%" PRIi64,
2501 opnd->imm.value, opnd->imm.value);
2502 break;
2503 default: assert (0);
2504 }
2505 break;
2506
a06ea964
NC		 2507 case AARCH64_OPND_FPIMM0:
2508 snprintf (buf, size, "#0.0");
2509 break;
2510
2511 case AARCH64_OPND_LIMM:
2512 case AARCH64_OPND_AIMM:
2513 case AARCH64_OPND_HALF:
2514 if (opnd->shifter.amount)
2515 snprintf (buf, size, "#0x%" PRIx64 ", lsl #%d", opnd->imm.value,
2516 opnd->shifter.amount);
2517 else
2518 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
2519 break;
2520
2521 case AARCH64_OPND_SIMD_IMM:
2522 case AARCH64_OPND_SIMD_IMM_SFT:
2523 if ((! opnd->shifter.amount && opnd->shifter.kind == AARCH64_MOD_LSL)
2524 || opnd->shifter.kind == AARCH64_MOD_NONE)
2525 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
2526 else
2527 snprintf (buf, size, "#0x%" PRIx64 ", %s #%d", opnd->imm.value,
2528 aarch64_operand_modifiers[opnd->shifter.kind].name,
2529 opnd->shifter.amount);
2530 break;
2531
2532 case AARCH64_OPND_FPIMM:
2533 case AARCH64_OPND_SIMD_FPIMM:
2534 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
2535 {
2536 case 4: /* e.g. FMOV <Vd>.4S, #<imm>. */
2537 {
2538 single_conv_t c;
2539 c.i = expand_fp_imm (0, opnd->imm.value);
2540 snprintf (buf, size, "#%.18e", c.f);
2541 }
2542 break;
2543 case 8: /* e.g. FMOV <Sd>, #<imm>. */
2544 {
2545 double_conv_t c;
2546 c.i = expand_fp_imm (1, opnd->imm.value);
2547 snprintf (buf, size, "#%.18e", c.d);
2548 }
2549 break;
2550 default: assert (0);
2551 }
2552 break;
2553
2554 case AARCH64_OPND_CCMP_IMM:
2555 case AARCH64_OPND_NZCV:
2556 case AARCH64_OPND_EXCEPTION:
2557 case AARCH64_OPND_UIMM4:
2558 case AARCH64_OPND_UIMM7:
2559 if (optional_operand_p (opcode, idx) == TRUE
2560 && (opnd->imm.value ==
2561 (int64_t) get_optional_operand_default_value (opcode)))
2562 /* Omit the operand, e.g. DCPS1. */
2563 break;
2564 snprintf (buf, size, "#0x%x", (unsigned int)opnd->imm.value);
2565 break;
2566
2567 case AARCH64_OPND_COND:
68a64283 2568 case AARCH64_OPND_COND1:
a06ea964
NC		 2569 snprintf (buf, size, "%s", opnd->cond->names[0]);
2570 break;
2571
2572 case AARCH64_OPND_ADDR_ADRP:
2573 addr = ((pc + AARCH64_PCREL_OFFSET) & ~(uint64_t)0xfff)
2574 + opnd->imm.value;
2575 if (pcrel_p)
2576 *pcrel_p = 1;
2577 if (address)
2578 *address = addr;
2579 /* This is not necessary during the disassembling, as print_address_func
2580 in the disassemble_info will take care of the printing. But some
2581 other callers may be still interested in getting the string in *STR,
2582 so here we do snprintf regardless. */
2583 snprintf (buf, size, "#0x%" PRIx64, addr);
2584 break;
2585
2586 case AARCH64_OPND_ADDR_PCREL14:
2587 case AARCH64_OPND_ADDR_PCREL19:
2588 case AARCH64_OPND_ADDR_PCREL21:
2589 case AARCH64_OPND_ADDR_PCREL26:
2590 addr = pc + AARCH64_PCREL_OFFSET + opnd->imm.value;
2591 if (pcrel_p)
2592 *pcrel_p = 1;
2593 if (address)
2594 *address = addr;
2595 /* This is not necessary during the disassembling, as print_address_func
2596 in the disassemble_info will take care of the printing. But some
2597 other callers may be still interested in getting the string in *STR,
2598 so here we do snprintf regardless. */
2599 snprintf (buf, size, "#0x%" PRIx64, addr);
2600 break;
2601
2602 case AARCH64_OPND_ADDR_SIMPLE:
2603 case AARCH64_OPND_SIMD_ADDR_SIMPLE:
2604 case AARCH64_OPND_SIMD_ADDR_POST:
2605 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
2606 if (opnd->type == AARCH64_OPND_SIMD_ADDR_POST)
2607 {
2608 if (opnd->addr.offset.is_reg)
2609 snprintf (buf, size, "[%s], x%d", name, opnd->addr.offset.regno);
2610 else
2611 snprintf (buf, size, "[%s], #%d", name, opnd->addr.offset.imm);
2612 }
2613 else
2614 snprintf (buf, size, "[%s]", name);
2615 break;
2616
2617 case AARCH64_OPND_ADDR_REGOFF:
2618 print_register_offset_address (buf, size, opnd);
2619 break;
2620
2621 case AARCH64_OPND_ADDR_SIMM7:
2622 case AARCH64_OPND_ADDR_SIMM9:
2623 case AARCH64_OPND_ADDR_SIMM9_2:
2624 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
2625 if (opnd->addr.writeback)
2626 {
2627 if (opnd->addr.preind)
2628 snprintf (buf, size, "[%s,#%d]!", name, opnd->addr.offset.imm);
2629 else
2630 snprintf (buf, size, "[%s],#%d", name, opnd->addr.offset.imm);
2631 }
2632 else
2633 {
2634 if (opnd->addr.offset.imm)
2635 snprintf (buf, size, "[%s,#%d]", name, opnd->addr.offset.imm);
2636 else
2637 snprintf (buf, size, "[%s]", name);
2638 }
2639 break;
2640
2641 case AARCH64_OPND_ADDR_UIMM12:
2642 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
2643 if (opnd->addr.offset.imm)
2644 snprintf (buf, size, "[%s,#%d]", name, opnd->addr.offset.imm);
2645 else
2646 snprintf (buf, size, "[%s]", name);
2647 break;
2648
2649 case AARCH64_OPND_SYSREG:
2650 for (i = 0; aarch64_sys_regs[i].name; ++i)
49eec193
YZ		 2651 if (aarch64_sys_regs[i].value == opnd->sysreg
2652 && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i]))
a06ea964
NC		 2653 break;
2654 if (aarch64_sys_regs[i].name)
2655 snprintf (buf, size, "%s", aarch64_sys_regs[i].name);
2656 else
2657 {
2658 /* Implementation defined system register. */
2659 unsigned int value = opnd->sysreg;
2660 snprintf (buf, size, "s%u_%u_c%u_c%u_%u", (value >> 14) & 0x3,
2661 (value >> 11) & 0x7, (value >> 7) & 0xf, (value >> 3) & 0xf,
2662 value & 0x7);
2663 }
2664 break;
2665
2666 case AARCH64_OPND_PSTATEFIELD:
2667 for (i = 0; aarch64_pstatefields[i].name; ++i)
2668 if (aarch64_pstatefields[i].value == opnd->pstatefield)
2669 break;
2670 assert (aarch64_pstatefields[i].name);
2671 snprintf (buf, size, "%s", aarch64_pstatefields[i].name);
2672 break;
2673
2674 case AARCH64_OPND_SYSREG_AT:
2675 case AARCH64_OPND_SYSREG_DC:
2676 case AARCH64_OPND_SYSREG_IC:
2677 case AARCH64_OPND_SYSREG_TLBI:
875880c6 2678 snprintf (buf, size, "%s", opnd->sysins_op->name);
a06ea964
NC		 2679 break;
2680
2681 case AARCH64_OPND_BARRIER:
2682 snprintf (buf, size, "%s", opnd->barrier->name);
2683 break;
2684
2685 case AARCH64_OPND_BARRIER_ISB:
2686 /* Operand can be omitted, e.g. in DCPS1. */
2687 if (! optional_operand_p (opcode, idx)
2688 || (opnd->barrier->value
2689 != get_optional_operand_default_value (opcode)))
2690 snprintf (buf, size, "#0x%x", opnd->barrier->value);
2691 break;
2692
2693 case AARCH64_OPND_PRFOP:
a1ccaec9
YZ		 2694 if (opnd->prfop->name != NULL)
2695 snprintf (buf, size, "%s", opnd->prfop->name);
2696 else
2697 snprintf (buf, size, "#0x%02x", opnd->prfop->value);
a06ea964
NC		 2698 break;
2699
2700 default:
2701 assert (0);
2702 }
2703}
2704\f
2705#define CPENC(op0,op1,crn,crm,op2) \
2706 ((((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) >> 5)
2707 /* for 3.9.3 Instructions for Accessing Special Purpose Registers */
2708#define CPEN_(op1,crm,op2) CPENC(3,(op1),4,(crm),(op2))
2709 /* for 3.9.10 System Instructions */
2710#define CPENS(op1,crn,crm,op2) CPENC(1,(op1),(crn),(crm),(op2))
2711
2712#define C0 0
2713#define C1 1
2714#define C2 2
2715#define C3 3
2716#define C4 4
2717#define C5 5
2718#define C6 6
2719#define C7 7
2720#define C8 8
2721#define C9 9
2722#define C10 10
2723#define C11 11
2724#define C12 12
2725#define C13 13
2726#define C14 14
2727#define C15 15
2728
49eec193
YZ		 2729#ifdef F_DEPRECATED
2730#undef F_DEPRECATED
2731#endif
2732#define F_DEPRECATED 0x1 /* Deprecated system register. */
2733
f21cce2c
MW		 2734#ifdef F_ARCHEXT
2735#undef F_ARCHEXT
2736#endif
2737#define F_ARCHEXT 0x2 /* Architecture dependent system register. */
2738
2739
a06ea964
NC		 2740/* TODO there are two more issues need to be resolved
2741 1. handle read-only and write-only system registers
2742 2. handle cpu-implementation-defined system registers. */
49eec193
YZ		 2743const aarch64_sys_reg aarch64_sys_regs [] =
2744{
2745 { "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */
2746 { "elr_el1", CPEN_(0,C0,1), 0 },
2747 { "sp_el0", CPEN_(0,C1,0), 0 },
2748 { "spsel", CPEN_(0,C2,0), 0 },
2749 { "daif", CPEN_(3,C2,1), 0 },
2750 { "currentel", CPEN_(0,C2,2), 0 }, /* RO */
f21cce2c 2751 { "pan", CPEN_(0,C2,3), F_ARCHEXT },
49eec193
YZ		 2752 { "nzcv", CPEN_(3,C2,0), 0 },
2753 { "fpcr", CPEN_(3,C4,0), 0 },
2754 { "fpsr", CPEN_(3,C4,1), 0 },
2755 { "dspsr_el0", CPEN_(3,C5,0), 0 },
2756 { "dlr_el0", CPEN_(3,C5,1), 0 },
2757 { "spsr_el2", CPEN_(4,C0,0), 0 }, /* = spsr_hyp */
2758 { "elr_el2", CPEN_(4,C0,1), 0 },
2759 { "sp_el1", CPEN_(4,C1,0), 0 },
2760 { "spsr_irq", CPEN_(4,C3,0), 0 },
2761 { "spsr_abt", CPEN_(4,C3,1), 0 },
2762 { "spsr_und", CPEN_(4,C3,2), 0 },
2763 { "spsr_fiq", CPEN_(4,C3,3), 0 },
2764 { "spsr_el3", CPEN_(6,C0,0), 0 },
2765 { "elr_el3", CPEN_(6,C0,1), 0 },
2766 { "sp_el2", CPEN_(6,C1,0), 0 },
2767 { "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */
2768 { "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */
2769 { "midr_el1", CPENC(3,0,C0,C0,0), 0 }, /* RO */
2770 { "ctr_el0", CPENC(3,3,C0,C0,1), 0 }, /* RO */
2771 { "mpidr_el1", CPENC(3,0,C0,C0,5), 0 }, /* RO */
2772 { "revidr_el1", CPENC(3,0,C0,C0,6), 0 }, /* RO */
2773 { "aidr_el1", CPENC(3,1,C0,C0,7), 0 }, /* RO */
2774 { "dczid_el0", CPENC(3,3,C0,C0,7), 0 }, /* RO */
2775 { "id_dfr0_el1", CPENC(3,0,C0,C1,2), 0 }, /* RO */
2776 { "id_pfr0_el1", CPENC(3,0,C0,C1,0), 0 }, /* RO */
2777 { "id_pfr1_el1", CPENC(3,0,C0,C1,1), 0 }, /* RO */
2778 { "id_afr0_el1", CPENC(3,0,C0,C1,3), 0 }, /* RO */
2779 { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), 0 }, /* RO */
2780 { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), 0 }, /* RO */
2781 { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), 0 }, /* RO */
2782 { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), 0 }, /* RO */
bdfa8b95 2783 { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), 0 }, /* RO */
49eec193
YZ		 2784 { "id_isar0_el1", CPENC(3,0,C0,C2,0), 0 }, /* RO */
2785 { "id_isar1_el1", CPENC(3,0,C0,C2,1), 0 }, /* RO */
2786 { "id_isar2_el1", CPENC(3,0,C0,C2,2), 0 }, /* RO */
2787 { "id_isar3_el1", CPENC(3,0,C0,C2,3), 0 }, /* RO */
2788 { "id_isar4_el1", CPENC(3,0,C0,C2,4), 0 }, /* RO */
2789 { "id_isar5_el1", CPENC(3,0,C0,C2,5), 0 }, /* RO */
2790 { "mvfr0_el1", CPENC(3,0,C0,C3,0), 0 }, /* RO */
2791 { "mvfr1_el1", CPENC(3,0,C0,C3,1), 0 }, /* RO */
2792 { "mvfr2_el1", CPENC(3,0,C0,C3,2), 0 }, /* RO */
2793 { "ccsidr_el1", CPENC(3,1,C0,C0,0), 0 }, /* RO */
2794 { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), 0 }, /* RO */
2795 { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), 0 }, /* RO */
2796 { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), 0 }, /* RO */
2797 { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), 0 }, /* RO */
2798 { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), 0 }, /* RO */
2799 { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), 0 }, /* RO */
2800 { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), 0 }, /* RO */
2801 { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), 0 }, /* RO */
2802 { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), 0 }, /* RO */
2803 { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), 0 }, /* RO */
2804 { "clidr_el1", CPENC(3,1,C0,C0,1), 0 }, /* RO */
2805 { "csselr_el1", CPENC(3,2,C0,C0,0), 0 }, /* RO */
2806 { "vpidr_el2", CPENC(3,4,C0,C0,0), 0 },
2807 { "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 },
2808 { "sctlr_el1", CPENC(3,0,C1,C0,0), 0 },
2809 { "sctlr_el2", CPENC(3,4,C1,C0,0), 0 },
2810 { "sctlr_el3", CPENC(3,6,C1,C0,0), 0 },
2811 { "actlr_el1", CPENC(3,0,C1,C0,1), 0 },
2812 { "actlr_el2", CPENC(3,4,C1,C0,1), 0 },
2813 { "actlr_el3", CPENC(3,6,C1,C0,1), 0 },
2814 { "cpacr_el1", CPENC(3,0,C1,C0,2), 0 },
2815 { "cptr_el2", CPENC(3,4,C1,C1,2), 0 },
2816 { "cptr_el3", CPENC(3,6,C1,C1,2), 0 },
2817 { "scr_el3", CPENC(3,6,C1,C1,0), 0 },
2818 { "hcr_el2", CPENC(3,4,C1,C1,0), 0 },
2819 { "mdcr_el2", CPENC(3,4,C1,C1,1), 0 },
2820 { "mdcr_el3", CPENC(3,6,C1,C3,1), 0 },
2821 { "hstr_el2", CPENC(3,4,C1,C1,3), 0 },
2822 { "hacr_el2", CPENC(3,4,C1,C1,7), 0 },
2823 { "ttbr0_el1", CPENC(3,0,C2,C0,0), 0 },
2824 { "ttbr1_el1", CPENC(3,0,C2,C0,1), 0 },
2825 { "ttbr0_el2", CPENC(3,4,C2,C0,0), 0 },
2826 { "ttbr0_el3", CPENC(3,6,C2,C0,0), 0 },
2827 { "vttbr_el2", CPENC(3,4,C2,C1,0), 0 },
2828 { "tcr_el1", CPENC(3,0,C2,C0,2), 0 },
2829 { "tcr_el2", CPENC(3,4,C2,C0,2), 0 },
2830 { "tcr_el3", CPENC(3,6,C2,C0,2), 0 },
2831 { "vtcr_el2", CPENC(3,4,C2,C1,2), 0 },
2832 { "afsr0_el1", CPENC(3,0,C5,C1,0), 0 },
2833 { "afsr1_el1", CPENC(3,0,C5,C1,1), 0 },
2834 { "afsr0_el2", CPENC(3,4,C5,C1,0), 0 },
2835 { "afsr1_el2", CPENC(3,4,C5,C1,1), 0 },
2836 { "afsr0_el3", CPENC(3,6,C5,C1,0), 0 },
2837 { "afsr1_el3", CPENC(3,6,C5,C1,1), 0 },
2838 { "esr_el1", CPENC(3,0,C5,C2,0), 0 },
2839 { "esr_el2", CPENC(3,4,C5,C2,0), 0 },
2840 { "esr_el3", CPENC(3,6,C5,C2,0), 0 },
2841 { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 },
2842 { "far_el1", CPENC(3,0,C6,C0,0), 0 },
2843 { "far_el2", CPENC(3,4,C6,C0,0), 0 },
2844 { "far_el3", CPENC(3,6,C6,C0,0), 0 },
2845 { "hpfar_el2", CPENC(3,4,C6,C0,4), 0 },
2846 { "par_el1", CPENC(3,0,C7,C4,0), 0 },
2847 { "mair_el1", CPENC(3,0,C10,C2,0), 0 },
2848 { "mair_el2", CPENC(3,4,C10,C2,0), 0 },
2849 { "mair_el3", CPENC(3,6,C10,C2,0), 0 },
2850 { "amair_el1", CPENC(3,0,C10,C3,0), 0 },
2851 { "amair_el2", CPENC(3,4,C10,C3,0), 0 },
2852 { "amair_el3", CPENC(3,6,C10,C3,0), 0 },
2853 { "vbar_el1", CPENC(3,0,C12,C0,0), 0 },
2854 { "vbar_el2", CPENC(3,4,C12,C0,0), 0 },
2855 { "vbar_el3", CPENC(3,6,C12,C0,0), 0 },
2856 { "rvbar_el1", CPENC(3,0,C12,C0,1), 0 }, /* RO */
2857 { "rvbar_el2", CPENC(3,4,C12,C0,1), 0 }, /* RO */
2858 { "rvbar_el3", CPENC(3,6,C12,C0,1), 0 }, /* RO */
2859 { "rmr_el1", CPENC(3,0,C12,C0,2), 0 },
2860 { "rmr_el2", CPENC(3,4,C12,C0,2), 0 },
2861 { "rmr_el3", CPENC(3,6,C12,C0,2), 0 },
2862 { "isr_el1", CPENC(3,0,C12,C1,0), 0 }, /* RO */
2863 { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 },
2864 { "tpidr_el0", CPENC(3,3,C13,C0,2), 0 },
2865 { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RO */
2866 { "tpidr_el1", CPENC(3,0,C13,C0,4), 0 },
2867 { "tpidr_el2", CPENC(3,4,C13,C0,2), 0 },
2868 { "tpidr_el3", CPENC(3,6,C13,C0,2), 0 },
2869 { "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */
2870 { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RO */
2871 { "cntpct_el0", CPENC(3,3,C14,C0,1), 0 }, /* RO */
2872 { "cntvct_el0", CPENC(3,3,C14,C0,2), 0 }, /* RO */
2873 { "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 },
2874 { "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 },
2875 { "cnthctl_el2", CPENC(3,4,C14,C1,0), 0 },
2876 { "cntp_tval_el0", CPENC(3,3,C14,C2,0), 0 },
2877 { "cntp_ctl_el0", CPENC(3,3,C14,C2,1), 0 },
2878 { "cntp_cval_el0", CPENC(3,3,C14,C2,2), 0 },
2879 { "cntv_tval_el0", CPENC(3,3,C14,C3,0), 0 },
2880 { "cntv_ctl_el0", CPENC(3,3,C14,C3,1), 0 },
2881 { "cntv_cval_el0", CPENC(3,3,C14,C3,2), 0 },
2882 { "cnthp_tval_el2", CPENC(3,4,C14,C2,0), 0 },
2883 { "cnthp_ctl_el2", CPENC(3,4,C14,C2,1), 0 },
2884 { "cnthp_cval_el2", CPENC(3,4,C14,C2,2), 0 },
2885 { "cntps_tval_el1", CPENC(3,7,C14,C2,0), 0 },
2886 { "cntps_ctl_el1", CPENC(3,7,C14,C2,1), 0 },
2887 { "cntps_cval_el1", CPENC(3,7,C14,C2,2), 0 },
2888 { "dacr32_el2", CPENC(3,4,C3,C0,0), 0 },
2889 { "ifsr32_el2", CPENC(3,4,C5,C0,1), 0 },
2890 { "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 },
2891 { "sder32_el3", CPENC(3,6,C1,C1,1), 0 },
2892 { "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 },
2893 { "mdccsr_el0", CPENC(2,3,C0, C1, 0), 0 }, /* r */
2894 { "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 },
2895 { "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 },
2896 { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), 0 }, /* r */
2897 { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), 0 }, /* w */
2898 { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 }, /* r */
2899 { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 }, /* w */
2900 { "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 },
2901 { "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 },
2902 { "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 },
2903 { "dbgbvr1_el1", CPENC(2,0,C0, C1, 4), 0 },
2904 { "dbgbvr2_el1", CPENC(2,0,C0, C2, 4), 0 },
2905 { "dbgbvr3_el1", CPENC(2,0,C0, C3, 4), 0 },
2906 { "dbgbvr4_el1", CPENC(2,0,C0, C4, 4), 0 },
2907 { "dbgbvr5_el1", CPENC(2,0,C0, C5, 4), 0 },
2908 { "dbgbvr6_el1", CPENC(2,0,C0, C6, 4), 0 },
2909 { "dbgbvr7_el1", CPENC(2,0,C0, C7, 4), 0 },
2910 { "dbgbvr8_el1", CPENC(2,0,C0, C8, 4), 0 },
2911 { "dbgbvr9_el1", CPENC(2,0,C0, C9, 4), 0 },
2912 { "dbgbvr10_el1", CPENC(2,0,C0, C10,4), 0 },
2913 { "dbgbvr11_el1", CPENC(2,0,C0, C11,4), 0 },
2914 { "dbgbvr12_el1", CPENC(2,0,C0, C12,4), 0 },
2915 { "dbgbvr13_el1", CPENC(2,0,C0, C13,4), 0 },
2916 { "dbgbvr14_el1", CPENC(2,0,C0, C14,4), 0 },
2917 { "dbgbvr15_el1", CPENC(2,0,C0, C15,4), 0 },
2918 { "dbgbcr0_el1", CPENC(2,0,C0, C0, 5), 0 },
2919 { "dbgbcr1_el1", CPENC(2,0,C0, C1, 5), 0 },
2920 { "dbgbcr2_el1", CPENC(2,0,C0, C2, 5), 0 },
2921 { "dbgbcr3_el1", CPENC(2,0,C0, C3, 5), 0 },
2922 { "dbgbcr4_el1", CPENC(2,0,C0, C4, 5), 0 },
2923 { "dbgbcr5_el1", CPENC(2,0,C0, C5, 5), 0 },
2924 { "dbgbcr6_el1", CPENC(2,0,C0, C6, 5), 0 },
2925 { "dbgbcr7_el1", CPENC(2,0,C0, C7, 5), 0 },
2926 { "dbgbcr8_el1", CPENC(2,0,C0, C8, 5), 0 },
2927 { "dbgbcr9_el1", CPENC(2,0,C0, C9, 5), 0 },
2928 { "dbgbcr10_el1", CPENC(2,0,C0, C10,5), 0 },
2929 { "dbgbcr11_el1", CPENC(2,0,C0, C11,5), 0 },
2930 { "dbgbcr12_el1", CPENC(2,0,C0, C12,5), 0 },
2931 { "dbgbcr13_el1", CPENC(2,0,C0, C13,5), 0 },
2932 { "dbgbcr14_el1", CPENC(2,0,C0, C14,5), 0 },
2933 { "dbgbcr15_el1", CPENC(2,0,C0, C15,5), 0 },
2934 { "dbgwvr0_el1", CPENC(2,0,C0, C0, 6), 0 },
2935 { "dbgwvr1_el1", CPENC(2,0,C0, C1, 6), 0 },
2936 { "dbgwvr2_el1", CPENC(2,0,C0, C2, 6), 0 },
2937 { "dbgwvr3_el1", CPENC(2,0,C0, C3, 6), 0 },
2938 { "dbgwvr4_el1", CPENC(2,0,C0, C4, 6), 0 },
2939 { "dbgwvr5_el1", CPENC(2,0,C0, C5, 6), 0 },
2940 { "dbgwvr6_el1", CPENC(2,0,C0, C6, 6), 0 },
2941 { "dbgwvr7_el1", CPENC(2,0,C0, C7, 6), 0 },
2942 { "dbgwvr8_el1", CPENC(2,0,C0, C8, 6), 0 },
2943 { "dbgwvr9_el1", CPENC(2,0,C0, C9, 6), 0 },
2944 { "dbgwvr10_el1", CPENC(2,0,C0, C10,6), 0 },
2945 { "dbgwvr11_el1", CPENC(2,0,C0, C11,6), 0 },
2946 { "dbgwvr12_el1", CPENC(2,0,C0, C12,6), 0 },
2947 { "dbgwvr13_el1", CPENC(2,0,C0, C13,6), 0 },
2948 { "dbgwvr14_el1", CPENC(2,0,C0, C14,6), 0 },
2949 { "dbgwvr15_el1", CPENC(2,0,C0, C15,6), 0 },
2950 { "dbgwcr0_el1", CPENC(2,0,C0, C0, 7), 0 },
2951 { "dbgwcr1_el1", CPENC(2,0,C0, C1, 7), 0 },
2952 { "dbgwcr2_el1", CPENC(2,0,C0, C2, 7), 0 },
2953 { "dbgwcr3_el1", CPENC(2,0,C0, C3, 7), 0 },
2954 { "dbgwcr4_el1", CPENC(2,0,C0, C4, 7), 0 },
2955 { "dbgwcr5_el1", CPENC(2,0,C0, C5, 7), 0 },
2956 { "dbgwcr6_el1", CPENC(2,0,C0, C6, 7), 0 },
2957 { "dbgwcr7_el1", CPENC(2,0,C0, C7, 7), 0 },
2958 { "dbgwcr8_el1", CPENC(2,0,C0, C8, 7), 0 },
2959 { "dbgwcr9_el1", CPENC(2,0,C0, C9, 7), 0 },
2960 { "dbgwcr10_el1", CPENC(2,0,C0, C10,7), 0 },
2961 { "dbgwcr11_el1", CPENC(2,0,C0, C11,7), 0 },
2962 { "dbgwcr12_el1", CPENC(2,0,C0, C12,7), 0 },
2963 { "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 },
2964 { "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 },
2965 { "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 },
2966 { "mdrar_el1", CPENC(2,0,C1, C0, 0), 0 }, /* r */
2967 { "oslar_el1", CPENC(2,0,C1, C0, 4), 0 }, /* w */
2968 { "oslsr_el1", CPENC(2,0,C1, C1, 4), 0 }, /* r */
2969 { "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 },
2970 { "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 },
2971 { "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 },
2972 { "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 },
2973 { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), 0 }, /* r */
2974
2975 { "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 },
2976 { "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 },
2977 { "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 },
2978 { "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 },
2979 { "pmswinc_el0", CPENC(3,3,C9,C12, 4), 0 }, /* w */
2980 { "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 },
2981 { "pmceid0_el0", CPENC(3,3,C9,C12, 6), 0 }, /* r */
2982 { "pmceid1_el0", CPENC(3,3,C9,C12, 7), 0 }, /* r */
2983 { "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 },
2984 { "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 },
2985 { "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 },
2986 { "pmuserenr_el0", CPENC(3,3,C9,C14, 0), 0 },
2987 { "pmintenset_el1", CPENC(3,0,C9,C14, 1), 0 },
2988 { "pmintenclr_el1", CPENC(3,0,C9,C14, 2), 0 },
2989 { "pmovsset_el0", CPENC(3,3,C9,C14, 3), 0 },
2990 { "pmevcntr0_el0", CPENC(3,3,C14,C8, 0), 0 },
2991 { "pmevcntr1_el0", CPENC(3,3,C14,C8, 1), 0 },
2992 { "pmevcntr2_el0", CPENC(3,3,C14,C8, 2), 0 },
2993 { "pmevcntr3_el0", CPENC(3,3,C14,C8, 3), 0 },
2994 { "pmevcntr4_el0", CPENC(3,3,C14,C8, 4), 0 },
2995 { "pmevcntr5_el0", CPENC(3,3,C14,C8, 5), 0 },
2996 { "pmevcntr6_el0", CPENC(3,3,C14,C8, 6), 0 },
2997 { "pmevcntr7_el0", CPENC(3,3,C14,C8, 7), 0 },
2998 { "pmevcntr8_el0", CPENC(3,3,C14,C9, 0), 0 },
2999 { "pmevcntr9_el0", CPENC(3,3,C14,C9, 1), 0 },
3000 { "pmevcntr10_el0", CPENC(3,3,C14,C9, 2), 0 },
3001 { "pmevcntr11_el0", CPENC(3,3,C14,C9, 3), 0 },
3002 { "pmevcntr12_el0", CPENC(3,3,C14,C9, 4), 0 },
3003 { "pmevcntr13_el0", CPENC(3,3,C14,C9, 5), 0 },
3004 { "pmevcntr14_el0", CPENC(3,3,C14,C9, 6), 0 },
3005 { "pmevcntr15_el0", CPENC(3,3,C14,C9, 7), 0 },
3006 { "pmevcntr16_el0", CPENC(3,3,C14,C10,0), 0 },
3007 { "pmevcntr17_el0", CPENC(3,3,C14,C10,1), 0 },
3008 { "pmevcntr18_el0", CPENC(3,3,C14,C10,2), 0 },
3009 { "pmevcntr19_el0", CPENC(3,3,C14,C10,3), 0 },
3010 { "pmevcntr20_el0", CPENC(3,3,C14,C10,4), 0 },
3011 { "pmevcntr21_el0", CPENC(3,3,C14,C10,5), 0 },
3012 { "pmevcntr22_el0", CPENC(3,3,C14,C10,6), 0 },
3013 { "pmevcntr23_el0", CPENC(3,3,C14,C10,7), 0 },
3014 { "pmevcntr24_el0", CPENC(3,3,C14,C11,0), 0 },
3015 { "pmevcntr25_el0", CPENC(3,3,C14,C11,1), 0 },
3016 { "pmevcntr26_el0", CPENC(3,3,C14,C11,2), 0 },
3017 { "pmevcntr27_el0", CPENC(3,3,C14,C11,3), 0 },
3018 { "pmevcntr28_el0", CPENC(3,3,C14,C11,4), 0 },
3019 { "pmevcntr29_el0", CPENC(3,3,C14,C11,5), 0 },
3020 { "pmevcntr30_el0", CPENC(3,3,C14,C11,6), 0 },
3021 { "pmevtyper0_el0", CPENC(3,3,C14,C12,0), 0 },
3022 { "pmevtyper1_el0", CPENC(3,3,C14,C12,1), 0 },
3023 { "pmevtyper2_el0", CPENC(3,3,C14,C12,2), 0 },
3024 { "pmevtyper3_el0", CPENC(3,3,C14,C12,3), 0 },
3025 { "pmevtyper4_el0", CPENC(3,3,C14,C12,4), 0 },
3026 { "pmevtyper5_el0", CPENC(3,3,C14,C12,5), 0 },
3027 { "pmevtyper6_el0", CPENC(3,3,C14,C12,6), 0 },
3028 { "pmevtyper7_el0", CPENC(3,3,C14,C12,7), 0 },
3029 { "pmevtyper8_el0", CPENC(3,3,C14,C13,0), 0 },
3030 { "pmevtyper9_el0", CPENC(3,3,C14,C13,1), 0 },
3031 { "pmevtyper10_el0", CPENC(3,3,C14,C13,2), 0 },
3032 { "pmevtyper11_el0", CPENC(3,3,C14,C13,3), 0 },
3033 { "pmevtyper12_el0", CPENC(3,3,C14,C13,4), 0 },
3034 { "pmevtyper13_el0", CPENC(3,3,C14,C13,5), 0 },
3035 { "pmevtyper14_el0", CPENC(3,3,C14,C13,6), 0 },
3036 { "pmevtyper15_el0", CPENC(3,3,C14,C13,7), 0 },
3037 { "pmevtyper16_el0", CPENC(3,3,C14,C14,0), 0 },
3038 { "pmevtyper17_el0", CPENC(3,3,C14,C14,1), 0 },
3039 { "pmevtyper18_el0", CPENC(3,3,C14,C14,2), 0 },
3040 { "pmevtyper19_el0", CPENC(3,3,C14,C14,3), 0 },
3041 { "pmevtyper20_el0", CPENC(3,3,C14,C14,4), 0 },
3042 { "pmevtyper21_el0", CPENC(3,3,C14,C14,5), 0 },
3043 { "pmevtyper22_el0", CPENC(3,3,C14,C14,6), 0 },
3044 { "pmevtyper23_el0", CPENC(3,3,C14,C14,7), 0 },
3045 { "pmevtyper24_el0", CPENC(3,3,C14,C15,0), 0 },
3046 { "pmevtyper25_el0", CPENC(3,3,C14,C15,1), 0 },
3047 { "pmevtyper26_el0", CPENC(3,3,C14,C15,2), 0 },
3048 { "pmevtyper27_el0", CPENC(3,3,C14,C15,3), 0 },
3049 { "pmevtyper28_el0", CPENC(3,3,C14,C15,4), 0 },
3050 { "pmevtyper29_el0", CPENC(3,3,C14,C15,5), 0 },
3051 { "pmevtyper30_el0", CPENC(3,3,C14,C15,6), 0 },
3052 { "pmccfiltr_el0", CPENC(3,3,C14,C15,7), 0 },
3053 { 0, CPENC(0,0,0,0,0), 0 },
a06ea964
NC		 3054};
3055
49eec193
YZ		 3056bfd_boolean
3057aarch64_sys_reg_deprecated_p (const aarch64_sys_reg *reg)
3058{
3059 return (reg->flags & F_DEPRECATED) != 0;
3060}
3061
f21cce2c
MW		 3062bfd_boolean
3063aarch64_sys_reg_supported_p (const aarch64_feature_set features,
3064 const aarch64_sys_reg *reg)
3065{
3066 if (!(reg->flags & F_ARCHEXT))
3067 return TRUE;
3068
3069 /* PAN. Values are from aarch64_sys_regs. */
3070 if (reg->value == CPEN_(0,C2,3)
3071 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
3072 return FALSE;
3073
3074 return TRUE;
3075}
3076
87b8eed7 3077const aarch64_sys_reg aarch64_pstatefields [] =
a06ea964 3078{
87b8eed7
YZ		 3079 { "spsel", 0x05, 0 },
3080 { "daifset", 0x1e, 0 },
3081 { "daifclr", 0x1f, 0 },
f21cce2c 3082 { "pan", 0x04, F_ARCHEXT },
87b8eed7 3083 { 0, CPENC(0,0,0,0,0), 0 },
a06ea964
NC		 3084};
3085
f21cce2c
MW		 3086bfd_boolean
3087aarch64_pstatefield_supported_p (const aarch64_feature_set features,
3088 const aarch64_sys_reg *reg)
3089{
3090 if (!(reg->flags & F_ARCHEXT))
3091 return TRUE;
3092
3093 /* PAN. Values are from aarch64_pstatefields. */
3094 if (reg->value == 0x04
3095 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
3096 return FALSE;
3097
3098 return TRUE;
3099}
3100
a06ea964
NC		 3101const aarch64_sys_ins_reg aarch64_sys_regs_ic[] =
3102{
3103 { "ialluis", CPENS(0,C7,C1,0), 0 },
3104 { "iallu", CPENS(0,C7,C5,0), 0 },
3105 { "ivau", CPENS(3,C7,C5,1), 1 },
3106 { 0, CPENS(0,0,0,0), 0 }
3107};
3108
3109const aarch64_sys_ins_reg aarch64_sys_regs_dc[] =
3110{
3111 { "zva", CPENS(3,C7,C4,1), 1 },
3112 { "ivac", CPENS(0,C7,C6,1), 1 },
3113 { "isw", CPENS(0,C7,C6,2), 1 },
3114 { "cvac", CPENS(3,C7,C10,1), 1 },
3115 { "csw", CPENS(0,C7,C10,2), 1 },
3116 { "cvau", CPENS(3,C7,C11,1), 1 },
3117 { "civac", CPENS(3,C7,C14,1), 1 },
3118 { "cisw", CPENS(0,C7,C14,2), 1 },
3119 { 0, CPENS(0,0,0,0), 0 }
3120};
3121
3122const aarch64_sys_ins_reg aarch64_sys_regs_at[] =
3123{
3124 { "s1e1r", CPENS(0,C7,C8,0), 1 },
3125 { "s1e1w", CPENS(0,C7,C8,1), 1 },
3126 { "s1e0r", CPENS(0,C7,C8,2), 1 },
3127 { "s1e0w", CPENS(0,C7,C8,3), 1 },
3128 { "s12e1r", CPENS(4,C7,C8,4), 1 },
3129 { "s12e1w", CPENS(4,C7,C8,5), 1 },
3130 { "s12e0r", CPENS(4,C7,C8,6), 1 },
3131 { "s12e0w", CPENS(4,C7,C8,7), 1 },
3132 { "s1e2r", CPENS(4,C7,C8,0), 1 },
3133 { "s1e2w", CPENS(4,C7,C8,1), 1 },
3134 { "s1e3r", CPENS(6,C7,C8,0), 1 },
3135 { "s1e3w", CPENS(6,C7,C8,1), 1 },
3136 { 0, CPENS(0,0,0,0), 0 }
3137};
3138
3139const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
3140{
3141 { "vmalle1", CPENS(0,C8,C7,0), 0 },
3142 { "vae1", CPENS(0,C8,C7,1), 1 },
3143 { "aside1", CPENS(0,C8,C7,2), 1 },
3144 { "vaae1", CPENS(0,C8,C7,3), 1 },
3145 { "vmalle1is", CPENS(0,C8,C3,0), 0 },
3146 { "vae1is", CPENS(0,C8,C3,1), 1 },
3147 { "aside1is", CPENS(0,C8,C3,2), 1 },
3148 { "vaae1is", CPENS(0,C8,C3,3), 1 },
3149 { "ipas2e1is", CPENS(4,C8,C0,1), 1 },
3150 { "ipas2le1is",CPENS(4,C8,C0,5), 1 },
3151 { "ipas2e1", CPENS(4,C8,C4,1), 1 },
3152 { "ipas2le1", CPENS(4,C8,C4,5), 1 },
3153 { "vae2", CPENS(4,C8,C7,1), 1 },
3154 { "vae2is", CPENS(4,C8,C3,1), 1 },
3155 { "vmalls12e1",CPENS(4,C8,C7,6), 0 },
3156 { "vmalls12e1is",CPENS(4,C8,C3,6), 0 },
3157 { "vae3", CPENS(6,C8,C7,1), 1 },
3158 { "vae3is", CPENS(6,C8,C3,1), 1 },
3159 { "alle2", CPENS(4,C8,C7,0), 0 },
3160 { "alle2is", CPENS(4,C8,C3,0), 0 },
3161 { "alle1", CPENS(4,C8,C7,4), 0 },
3162 { "alle1is", CPENS(4,C8,C3,4), 0 },
3163 { "alle3", CPENS(6,C8,C7,0), 0 },
3164 { "alle3is", CPENS(6,C8,C3,0), 0 },
3165 { "vale1is", CPENS(0,C8,C3,5), 1 },
3166 { "vale2is", CPENS(4,C8,C3,5), 1 },
3167 { "vale3is", CPENS(6,C8,C3,5), 1 },
3168 { "vaale1is", CPENS(0,C8,C3,7), 1 },
3169 { "vale1", CPENS(0,C8,C7,5), 1 },
3170 { "vale2", CPENS(4,C8,C7,5), 1 },
3171 { "vale3", CPENS(6,C8,C7,5), 1 },
3172 { "vaale1", CPENS(0,C8,C7,7), 1 },
3173 { 0, CPENS(0,0,0,0), 0 }
3174};
3175
3176#undef C0
3177#undef C1
3178#undef C2
3179#undef C3
3180#undef C4
3181#undef C5
3182#undef C6
3183#undef C7
3184#undef C8
3185#undef C9
3186#undef C10
3187#undef C11
3188#undef C12
3189#undef C13
3190#undef C14
3191#undef C15
3192
3193/* Include the opcode description table as well as the operand description
3194 table. */
3195#include "aarch64-tbl.h"
GDB Binutils - Deliverables
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