1 /* aarch64-opc.c -- AArch64 opcode support. 2 Copyright (C) 2009-2019 Free Software Foundation, Inc. 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 "bfd_stdint.h" 26 #include <stdarg.h> 27 #include <inttypes.h> 28 29 #include "opintl.h" 30 #include "libiberty.h" 31 32 #include "aarch64-opc.h" 33 34 #ifdef DEBUG_AARCH64 35 int debug_dump = FALSE; 36 #endif /* DEBUG_AARCH64 */ 37 38 /* The enumeration strings associated with each value of a 5-bit SVE 39 pattern operand. A null entry indicates a reserved meaning. */ 40 const char *const aarch64_sve_pattern_array[32] = { 41 /* 0-7. */ 42 "pow2", 43 "vl1", 44 "vl2", 45 "vl3", 46 "vl4", 47 "vl5", 48 "vl6", 49 "vl7", 50 /* 8-15. */ 51 "vl8", 52 "vl16", 53 "vl32", 54 "vl64", 55 "vl128", 56 "vl256", 57 0, 58 0, 59 /* 16-23. */ 60 0, 61 0, 62 0, 63 0, 64 0, 65 0, 66 0, 67 0, 68 /* 24-31. */ 69 0, 70 0, 71 0, 72 0, 73 0, 74 "mul4", 75 "mul3", 76 "all" 77 }; 78 79 /* The enumeration strings associated with each value of a 4-bit SVE 80 prefetch operand. A null entry indicates a reserved meaning. */ 81 const char *const aarch64_sve_prfop_array[16] = { 82 /* 0-7. */ 83 "pldl1keep", 84 "pldl1strm", 85 "pldl2keep", 86 "pldl2strm", 87 "pldl3keep", 88 "pldl3strm", 89 0, 90 0, 91 /* 8-15. */ 92 "pstl1keep", 93 "pstl1strm", 94 "pstl2keep", 95 "pstl2strm", 96 "pstl3keep", 97 "pstl3strm", 98 0, 99 0 100 }; 101 102 /* Helper functions to determine which operand to be used to encode/decode 103 the size:Q fields for AdvSIMD instructions. */ 104 105 static inline bfd_boolean 106 vector_qualifier_p (enum aarch64_opnd_qualifier qualifier) 107 { 108 return ((qualifier >= AARCH64_OPND_QLF_V_8B 109 && qualifier <= AARCH64_OPND_QLF_V_1Q) ? TRUE 110 : FALSE); 111 } 112 113 static inline bfd_boolean 114 fp_qualifier_p (enum aarch64_opnd_qualifier qualifier) 115 { 116 return ((qualifier >= AARCH64_OPND_QLF_S_B 117 && qualifier <= AARCH64_OPND_QLF_S_Q) ? TRUE 118 : FALSE); 119 } 120 121 enum data_pattern 122 { 123 DP_UNKNOWN, 124 DP_VECTOR_3SAME, 125 DP_VECTOR_LONG, 126 DP_VECTOR_WIDE, 127 DP_VECTOR_ACROSS_LANES, 128 }; 129 130 static const char significant_operand_index [] = 131 { 132 0, /* DP_UNKNOWN, by default using operand 0. */ 133 0, /* DP_VECTOR_3SAME */ 134 1, /* DP_VECTOR_LONG */ 135 2, /* DP_VECTOR_WIDE */ 136 1, /* DP_VECTOR_ACROSS_LANES */ 137 }; 138 139 /* Given a sequence of qualifiers in QUALIFIERS, determine and return 140 the data pattern. 141 N.B. QUALIFIERS is a possible sequence of qualifiers each of which 142 corresponds to one of a sequence of operands. */ 143 144 static enum data_pattern 145 get_data_pattern (const aarch64_opnd_qualifier_seq_t qualifiers) 146 { 147 if (vector_qualifier_p (qualifiers[0]) == TRUE) 148 { 149 /* e.g. v.4s, v.4s, v.4s 150 or v.4h, v.4h, v.h[3]. */ 151 if (qualifiers[0] == qualifiers[1] 152 && vector_qualifier_p (qualifiers[2]) == TRUE 153 && (aarch64_get_qualifier_esize (qualifiers[0]) 154 == aarch64_get_qualifier_esize (qualifiers[1])) 155 && (aarch64_get_qualifier_esize (qualifiers[0]) 156 == aarch64_get_qualifier_esize (qualifiers[2]))) 157 return DP_VECTOR_3SAME; 158 /* e.g. v.8h, v.8b, v.8b. 159 or v.4s, v.4h, v.h[2]. 160 or v.8h, v.16b. */ 161 if (vector_qualifier_p (qualifiers[1]) == TRUE 162 && aarch64_get_qualifier_esize (qualifiers[0]) != 0 163 && (aarch64_get_qualifier_esize (qualifiers[0]) 164 == aarch64_get_qualifier_esize (qualifiers[1]) << 1)) 165 return DP_VECTOR_LONG; 166 /* e.g. v.8h, v.8h, v.8b. */ 167 if (qualifiers[0] == qualifiers[1] 168 && vector_qualifier_p (qualifiers[2]) == TRUE 169 && aarch64_get_qualifier_esize (qualifiers[0]) != 0 170 && (aarch64_get_qualifier_esize (qualifiers[0]) 171 == aarch64_get_qualifier_esize (qualifiers[2]) << 1) 172 && (aarch64_get_qualifier_esize (qualifiers[0]) 173 == aarch64_get_qualifier_esize (qualifiers[1]))) 174 return DP_VECTOR_WIDE; 175 } 176 else if (fp_qualifier_p (qualifiers[0]) == TRUE) 177 { 178 /* e.g. SADDLV <V><d>, <Vn>.<T>. */ 179 if (vector_qualifier_p (qualifiers[1]) == TRUE 180 && qualifiers[2] == AARCH64_OPND_QLF_NIL) 181 return DP_VECTOR_ACROSS_LANES; 182 } 183 184 return DP_UNKNOWN; 185 } 186 187 /* Select the operand to do the encoding/decoding of the 'size:Q' fields in 188 the AdvSIMD instructions. */ 189 /* N.B. it is possible to do some optimization that doesn't call 190 get_data_pattern each time when we need to select an operand. We can 191 either buffer the caculated the result or statically generate the data, 192 however, it is not obvious that the optimization will bring significant 193 benefit. */ 194 195 int 196 aarch64_select_operand_for_sizeq_field_coding (const aarch64_opcode *opcode) 197 { 198 return 199 significant_operand_index [get_data_pattern (opcode->qualifiers_list[0])]; 200 } 201 202 const aarch64_field fields[] = 203 { 204 { 0, 0 }, /* NIL. */ 205 { 0, 4 }, /* cond2: condition in truly conditional-executed inst. */ 206 { 0, 4 }, /* nzcv: flag bit specifier, encoded in the "nzcv" field. */ 207 { 5, 5 }, /* defgh: d:e:f:g:h bits in AdvSIMD modified immediate. */ 208 { 16, 3 }, /* abc: a:b:c bits in AdvSIMD modified immediate. */ 209 { 5, 19 }, /* imm19: e.g. in CBZ. */ 210 { 5, 19 }, /* immhi: e.g. in ADRP. */ 211 { 29, 2 }, /* immlo: e.g. in ADRP. */ 212 { 22, 2 }, /* size: in most AdvSIMD and floating-point instructions. */ 213 { 10, 2 }, /* vldst_size: size field in the AdvSIMD load/store inst. */ 214 { 29, 1 }, /* op: in AdvSIMD modified immediate instructions. */ 215 { 30, 1 }, /* Q: in most AdvSIMD instructions. */ 216 { 0, 5 }, /* Rt: in load/store instructions. */ 217 { 0, 5 }, /* Rd: in many integer instructions. */ 218 { 5, 5 }, /* Rn: in many integer instructions. */ 219 { 10, 5 }, /* Rt2: in load/store pair instructions. */ 220 { 10, 5 }, /* Ra: in fp instructions. */ 221 { 5, 3 }, /* op2: in the system instructions. */ 222 { 8, 4 }, /* CRm: in the system instructions. */ 223 { 12, 4 }, /* CRn: in the system instructions. */ 224 { 16, 3 }, /* op1: in the system instructions. */ 225 { 19, 2 }, /* op0: in the system instructions. */ 226 { 10, 3 }, /* imm3: in add/sub extended reg instructions. */ 227 { 12, 4 }, /* cond: condition flags as a source operand. */ 228 { 12, 4 }, /* opcode: in advsimd load/store instructions. */ 229 { 12, 4 }, /* cmode: in advsimd modified immediate instructions. */ 230 { 13, 3 }, /* asisdlso_opcode: opcode in advsimd ld/st single element. */ 231 { 13, 2 }, /* len: in advsimd tbl/tbx instructions. */ 232 { 16, 5 }, /* Rm: in ld/st reg offset and some integer inst. */ 233 { 16, 5 }, /* Rs: in load/store exclusive instructions. */ 234 { 13, 3 }, /* option: in ld/st reg offset + add/sub extended reg inst. */ 235 { 12, 1 }, /* S: in load/store reg offset instructions. */ 236 { 21, 2 }, /* hw: in move wide constant instructions. */ 237 { 22, 2 }, /* opc: in load/store reg offset instructions. */ 238 { 23, 1 }, /* opc1: in load/store reg offset instructions. */ 239 { 22, 2 }, /* shift: in add/sub reg/imm shifted instructions. */ 240 { 22, 2 }, /* type: floating point type field in fp data inst. */ 241 { 30, 2 }, /* ldst_size: size field in ld/st reg offset inst. */ 242 { 10, 6 }, /* imm6: in add/sub reg shifted instructions. */ 243 { 15, 6 }, /* imm6_2: in rmif instructions. */ 244 { 11, 4 }, /* imm4: in advsimd ext and advsimd ins instructions. */ 245 { 0, 4 }, /* imm4_2: in rmif instructions. */ 246 { 10, 4 }, /* imm4_3: in adddg/subg instructions. */ 247 { 16, 5 }, /* imm5: in conditional compare (immediate) instructions. */ 248 { 15, 7 }, /* imm7: in load/store pair pre/post index instructions. */ 249 { 13, 8 }, /* imm8: in floating-point scalar move immediate inst. */ 250 { 12, 9 }, /* imm9: in load/store pre/post index instructions. */ 251 { 10, 12 }, /* imm12: in ld/st unsigned imm or add/sub shifted inst. */ 252 { 5, 14 }, /* imm14: in test bit and branch instructions. */ 253 { 5, 16 }, /* imm16: in exception instructions. */ 254 { 0, 26 }, /* imm26: in unconditional branch instructions. */ 255 { 10, 6 }, /* imms: in bitfield and logical immediate instructions. */ 256 { 16, 6 }, /* immr: in bitfield and logical immediate instructions. */ 257 { 16, 3 }, /* immb: in advsimd shift by immediate instructions. */ 258 { 19, 4 }, /* immh: in advsimd shift by immediate instructions. */ 259 { 22, 1 }, /* S: in LDRAA and LDRAB instructions. */ 260 { 22, 1 }, /* N: in logical (immediate) instructions. */ 261 { 11, 1 }, /* index: in ld/st inst deciding the pre/post-index. */ 262 { 24, 1 }, /* index2: in ld/st pair inst deciding the pre/post-index. */ 263 { 31, 1 }, /* sf: in integer data processing instructions. */ 264 { 30, 1 }, /* lse_size: in LSE extension atomic instructions. */ 265 { 11, 1 }, /* H: in advsimd scalar x indexed element instructions. */ 266 { 21, 1 }, /* L: in advsimd scalar x indexed element instructions. */ 267 { 20, 1 }, /* M: in advsimd scalar x indexed element instructions. */ 268 { 31, 1 }, /* b5: in the test bit and branch instructions. */ 269 { 19, 5 }, /* b40: in the test bit and branch instructions. */ 270 { 10, 6 }, /* scale: in the fixed-point scalar to fp converting inst. */ 271 { 4, 1 }, /* SVE_M_4: Merge/zero select, bit 4. */ 272 { 14, 1 }, /* SVE_M_14: Merge/zero select, bit 14. */ 273 { 16, 1 }, /* SVE_M_16: Merge/zero select, bit 16. */ 274 { 17, 1 }, /* SVE_N: SVE equivalent of N. */ 275 { 0, 4 }, /* SVE_Pd: p0-p15, bits [3,0]. */ 276 { 10, 3 }, /* SVE_Pg3: p0-p7, bits [12,10]. */ 277 { 5, 4 }, /* SVE_Pg4_5: p0-p15, bits [8,5]. */ 278 { 10, 4 }, /* SVE_Pg4_10: p0-p15, bits [13,10]. */ 279 { 16, 4 }, /* SVE_Pg4_16: p0-p15, bits [19,16]. */ 280 { 16, 4 }, /* SVE_Pm: p0-p15, bits [19,16]. */ 281 { 5, 4 }, /* SVE_Pn: p0-p15, bits [8,5]. */ 282 { 0, 4 }, /* SVE_Pt: p0-p15, bits [3,0]. */ 283 { 5, 5 }, /* SVE_Rm: SVE alternative position for Rm. */ 284 { 16, 5 }, /* SVE_Rn: SVE alternative position for Rn. */ 285 { 0, 5 }, /* SVE_Vd: Scalar SIMD&FP register, bits [4,0]. */ 286 { 5, 5 }, /* SVE_Vm: Scalar SIMD&FP register, bits [9,5]. */ 287 { 5, 5 }, /* SVE_Vn: Scalar SIMD&FP register, bits [9,5]. */ 288 { 5, 5 }, /* SVE_Za_5: SVE vector register, bits [9,5]. */ 289 { 16, 5 }, /* SVE_Za_16: SVE vector register, bits [20,16]. */ 290 { 0, 5 }, /* SVE_Zd: SVE vector register. bits [4,0]. */ 291 { 5, 5 }, /* SVE_Zm_5: SVE vector register, bits [9,5]. */ 292 { 16, 5 }, /* SVE_Zm_16: SVE vector register, bits [20,16]. */ 293 { 5, 5 }, /* SVE_Zn: SVE vector register, bits [9,5]. */ 294 { 0, 5 }, /* SVE_Zt: SVE vector register, bits [4,0]. */ 295 { 5, 1 }, /* SVE_i1: single-bit immediate. */ 296 { 22, 1 }, /* SVE_i3h: high bit of 3-bit immediate. */ 297 { 16, 3 }, /* SVE_imm3: 3-bit immediate field. */ 298 { 16, 4 }, /* SVE_imm4: 4-bit immediate field. */ 299 { 5, 5 }, /* SVE_imm5: 5-bit immediate field. */ 300 { 16, 5 }, /* SVE_imm5b: secondary 5-bit immediate field. */ 301 { 16, 6 }, /* SVE_imm6: 6-bit immediate field. */ 302 { 14, 7 }, /* SVE_imm7: 7-bit immediate field. */ 303 { 5, 8 }, /* SVE_imm8: 8-bit immediate field. */ 304 { 5, 9 }, /* SVE_imm9: 9-bit immediate field. */ 305 { 11, 6 }, /* SVE_immr: SVE equivalent of immr. */ 306 { 5, 6 }, /* SVE_imms: SVE equivalent of imms. */ 307 { 10, 2 }, /* SVE_msz: 2-bit shift amount for ADR. */ 308 { 5, 5 }, /* SVE_pattern: vector pattern enumeration. */ 309 { 0, 4 }, /* SVE_prfop: prefetch operation for SVE PRF[BHWD]. */ 310 { 16, 1 }, /* SVE_rot1: 1-bit rotation amount. */ 311 { 10, 2 }, /* SVE_rot2: 2-bit rotation amount. */ 312 { 22, 1 }, /* SVE_sz: 1-bit element size select. */ 313 { 16, 4 }, /* SVE_tsz: triangular size select. */ 314 { 22, 2 }, /* SVE_tszh: triangular size select high, bits [23,22]. */ 315 { 8, 2 }, /* SVE_tszl_8: triangular size select low, bits [9,8]. */ 316 { 19, 2 }, /* SVE_tszl_19: triangular size select low, bits [20,19]. */ 317 { 14, 1 }, /* SVE_xs_14: UXTW/SXTW select (bit 14). */ 318 { 22, 1 }, /* SVE_xs_22: UXTW/SXTW select (bit 22). */ 319 { 11, 2 }, /* rotate1: FCMLA immediate rotate. */ 320 { 13, 2 }, /* rotate2: Indexed element FCMLA immediate rotate. */ 321 { 12, 1 }, /* rotate3: FCADD immediate rotate. */ 322 { 12, 2 }, /* SM3: Indexed element SM3 2 bits index immediate. */ 323 { 22, 1 }, /* sz: 1-bit element size select. */ 324 }; 325 326 enum aarch64_operand_class 327 aarch64_get_operand_class (enum aarch64_opnd type) 328 { 329 return aarch64_operands[type].op_class; 330 } 331 332 const char * 333 aarch64_get_operand_name (enum aarch64_opnd type) 334 { 335 return aarch64_operands[type].name; 336 } 337 338 /* Get operand description string. 339 This is usually for the diagnosis purpose. */ 340 const char * 341 aarch64_get_operand_desc (enum aarch64_opnd type) 342 { 343 return aarch64_operands[type].desc; 344 } 345 346 /* Table of all conditional affixes. */ 347 const aarch64_cond aarch64_conds[16] = 348 { 349 {{"eq", "none"}, 0x0}, 350 {{"ne", "any"}, 0x1}, 351 {{"cs", "hs", "nlast"}, 0x2}, 352 {{"cc", "lo", "ul", "last"}, 0x3}, 353 {{"mi", "first"}, 0x4}, 354 {{"pl", "nfrst"}, 0x5}, 355 {{"vs"}, 0x6}, 356 {{"vc"}, 0x7}, 357 {{"hi", "pmore"}, 0x8}, 358 {{"ls", "plast"}, 0x9}, 359 {{"ge", "tcont"}, 0xa}, 360 {{"lt", "tstop"}, 0xb}, 361 {{"gt"}, 0xc}, 362 {{"le"}, 0xd}, 363 {{"al"}, 0xe}, 364 {{"nv"}, 0xf}, 365 }; 366 367 const aarch64_cond * 368 get_cond_from_value (aarch64_insn value) 369 { 370 assert (value < 16); 371 return &aarch64_conds[(unsigned int) value]; 372 } 373 374 const aarch64_cond * 375 get_inverted_cond (const aarch64_cond *cond) 376 { 377 return &aarch64_conds[cond->value ^ 0x1]; 378 } 379 380 /* Table describing the operand extension/shifting operators; indexed by 381 enum aarch64_modifier_kind. 382 383 The value column provides the most common values for encoding modifiers, 384 which enables table-driven encoding/decoding for the modifiers. */ 385 const struct aarch64_name_value_pair aarch64_operand_modifiers [] = 386 { 387 {"none", 0x0}, 388 {"msl", 0x0}, 389 {"ror", 0x3}, 390 {"asr", 0x2}, 391 {"lsr", 0x1}, 392 {"lsl", 0x0}, 393 {"uxtb", 0x0}, 394 {"uxth", 0x1}, 395 {"uxtw", 0x2}, 396 {"uxtx", 0x3}, 397 {"sxtb", 0x4}, 398 {"sxth", 0x5}, 399 {"sxtw", 0x6}, 400 {"sxtx", 0x7}, 401 {"mul", 0x0}, 402 {"mul vl", 0x0}, 403 {NULL, 0}, 404 }; 405 406 enum aarch64_modifier_kind 407 aarch64_get_operand_modifier (const struct aarch64_name_value_pair *desc) 408 { 409 return desc - aarch64_operand_modifiers; 410 } 411 412 aarch64_insn 413 aarch64_get_operand_modifier_value (enum aarch64_modifier_kind kind) 414 { 415 return aarch64_operand_modifiers[kind].value; 416 } 417 418 enum aarch64_modifier_kind 419 aarch64_get_operand_modifier_from_value (aarch64_insn value, 420 bfd_boolean extend_p) 421 { 422 if (extend_p == TRUE) 423 return AARCH64_MOD_UXTB + value; 424 else 425 return AARCH64_MOD_LSL - value; 426 } 427 428 bfd_boolean 429 aarch64_extend_operator_p (enum aarch64_modifier_kind kind) 430 { 431 return (kind > AARCH64_MOD_LSL && kind <= AARCH64_MOD_SXTX) 432 ? TRUE : FALSE; 433 } 434 435 static inline bfd_boolean 436 aarch64_shift_operator_p (enum aarch64_modifier_kind kind) 437 { 438 return (kind >= AARCH64_MOD_ROR && kind <= AARCH64_MOD_LSL) 439 ? TRUE : FALSE; 440 } 441 442 const struct aarch64_name_value_pair aarch64_barrier_options[16] = 443 { 444 { "#0x00", 0x0 }, 445 { "oshld", 0x1 }, 446 { "oshst", 0x2 }, 447 { "osh", 0x3 }, 448 { "#0x04", 0x4 }, 449 { "nshld", 0x5 }, 450 { "nshst", 0x6 }, 451 { "nsh", 0x7 }, 452 { "#0x08", 0x8 }, 453 { "ishld", 0x9 }, 454 { "ishst", 0xa }, 455 { "ish", 0xb }, 456 { "#0x0c", 0xc }, 457 { "ld", 0xd }, 458 { "st", 0xe }, 459 { "sy", 0xf }, 460 }; 461 462 /* Table describing the operands supported by the aliases of the HINT 463 instruction. 464 465 The name column is the operand that is accepted for the alias. The value 466 column is the hint number of the alias. The list of operands is terminated 467 by NULL in the name column. */ 468 469 const struct aarch64_name_value_pair aarch64_hint_options[] = 470 { 471 /* BTI. This is also the F_DEFAULT entry for AARCH64_OPND_BTI_TARGET. */ 472 { " ", HINT_ENCODE (HINT_OPD_F_NOPRINT, 0x20) }, 473 { "csync", HINT_OPD_CSYNC }, /* PSB CSYNC. */ 474 { "c", HINT_OPD_C }, /* BTI C. */ 475 { "j", HINT_OPD_J }, /* BTI J. */ 476 { "jc", HINT_OPD_JC }, /* BTI JC. */ 477 { NULL, HINT_OPD_NULL }, 478 }; 479 480 /* op -> op: load = 0 instruction = 1 store = 2 481 l -> level: 1-3 482 t -> temporal: temporal (retained) = 0 non-temporal (streaming) = 1 */ 483 #define B(op,l,t) (((op) << 3) | (((l) - 1) << 1) | (t)) 484 const struct aarch64_name_value_pair aarch64_prfops[32] = 485 { 486 { "pldl1keep", B(0, 1, 0) }, 487 { "pldl1strm", B(0, 1, 1) }, 488 { "pldl2keep", B(0, 2, 0) }, 489 { "pldl2strm", B(0, 2, 1) }, 490 { "pldl3keep", B(0, 3, 0) }, 491 { "pldl3strm", B(0, 3, 1) }, 492 { NULL, 0x06 }, 493 { NULL, 0x07 }, 494 { "plil1keep", B(1, 1, 0) }, 495 { "plil1strm", B(1, 1, 1) }, 496 { "plil2keep", B(1, 2, 0) }, 497 { "plil2strm", B(1, 2, 1) }, 498 { "plil3keep", B(1, 3, 0) }, 499 { "plil3strm", B(1, 3, 1) }, 500 { NULL, 0x0e }, 501 { NULL, 0x0f }, 502 { "pstl1keep", B(2, 1, 0) }, 503 { "pstl1strm", B(2, 1, 1) }, 504 { "pstl2keep", B(2, 2, 0) }, 505 { "pstl2strm", B(2, 2, 1) }, 506 { "pstl3keep", B(2, 3, 0) }, 507 { "pstl3strm", B(2, 3, 1) }, 508 { NULL, 0x16 }, 509 { NULL, 0x17 }, 510 { NULL, 0x18 }, 511 { NULL, 0x19 }, 512 { NULL, 0x1a }, 513 { NULL, 0x1b }, 514 { NULL, 0x1c }, 515 { NULL, 0x1d }, 516 { NULL, 0x1e }, 517 { NULL, 0x1f }, 518 }; 519 #undef B 520 521 /* Utilities on value constraint. */ 522 523 static inline int 524 value_in_range_p (int64_t value, int low, int high) 525 { 526 return (value >= low && value <= high) ? 1 : 0; 527 } 528 529 /* Return true if VALUE is a multiple of ALIGN. */ 530 static inline int 531 value_aligned_p (int64_t value, int align) 532 { 533 return (value % align) == 0; 534 } 535 536 /* A signed value fits in a field. */ 537 static inline int 538 value_fit_signed_field_p (int64_t value, unsigned width) 539 { 540 assert (width < 32); 541 if (width < sizeof (value) * 8) 542 { 543 int64_t lim = (int64_t)1 << (width - 1); 544 if (value >= -lim && value < lim) 545 return 1; 546 } 547 return 0; 548 } 549 550 /* An unsigned value fits in a field. */ 551 static inline int 552 value_fit_unsigned_field_p (int64_t value, unsigned width) 553 { 554 assert (width < 32); 555 if (width < sizeof (value) * 8) 556 { 557 int64_t lim = (int64_t)1 << width; 558 if (value >= 0 && value < lim) 559 return 1; 560 } 561 return 0; 562 } 563 564 /* Return 1 if OPERAND is SP or WSP. */ 565 int 566 aarch64_stack_pointer_p (const aarch64_opnd_info *operand) 567 { 568 return ((aarch64_get_operand_class (operand->type) 569 == AARCH64_OPND_CLASS_INT_REG) 570 && operand_maybe_stack_pointer (aarch64_operands + operand->type) 571 && operand->reg.regno == 31); 572 } 573 574 /* Return 1 if OPERAND is XZR or WZP. */ 575 int 576 aarch64_zero_register_p (const aarch64_opnd_info *operand) 577 { 578 return ((aarch64_get_operand_class (operand->type) 579 == AARCH64_OPND_CLASS_INT_REG) 580 && !operand_maybe_stack_pointer (aarch64_operands + operand->type) 581 && operand->reg.regno == 31); 582 } 583 584 /* Return true if the operand *OPERAND that has the operand code 585 OPERAND->TYPE and been qualified by OPERAND->QUALIFIER can be also 586 qualified by the qualifier TARGET. */ 587 588 static inline int 589 operand_also_qualified_p (const struct aarch64_opnd_info *operand, 590 aarch64_opnd_qualifier_t target) 591 { 592 switch (operand->qualifier) 593 { 594 case AARCH64_OPND_QLF_W: 595 if (target == AARCH64_OPND_QLF_WSP && aarch64_stack_pointer_p (operand)) 596 return 1; 597 break; 598 case AARCH64_OPND_QLF_X: 599 if (target == AARCH64_OPND_QLF_SP && aarch64_stack_pointer_p (operand)) 600 return 1; 601 break; 602 case AARCH64_OPND_QLF_WSP: 603 if (target == AARCH64_OPND_QLF_W 604 && operand_maybe_stack_pointer (aarch64_operands + operand->type)) 605 return 1; 606 break; 607 case AARCH64_OPND_QLF_SP: 608 if (target == AARCH64_OPND_QLF_X 609 && operand_maybe_stack_pointer (aarch64_operands + operand->type)) 610 return 1; 611 break; 612 default: 613 break; 614 } 615 616 return 0; 617 } 618 619 /* Given qualifier sequence list QSEQ_LIST and the known qualifier KNOWN_QLF 620 for operand KNOWN_IDX, return the expected qualifier for operand IDX. 621 622 Return NIL if more than one expected qualifiers are found. */ 623 624 aarch64_opnd_qualifier_t 625 aarch64_get_expected_qualifier (const aarch64_opnd_qualifier_seq_t *qseq_list, 626 int idx, 627 const aarch64_opnd_qualifier_t known_qlf, 628 int known_idx) 629 { 630 int i, saved_i; 631 632 /* Special case. 633 634 When the known qualifier is NIL, we have to assume that there is only 635 one qualifier sequence in the *QSEQ_LIST and return the corresponding 636 qualifier directly. One scenario is that for instruction 637 PRFM <prfop>, [<Xn|SP>, #:lo12:<symbol>] 638 which has only one possible valid qualifier sequence 639 NIL, S_D 640 the caller may pass NIL in KNOWN_QLF to obtain S_D so that it can 641 determine the correct relocation type (i.e. LDST64_LO12) for PRFM. 642 643 Because the qualifier NIL has dual roles in the qualifier sequence: 644 it can mean no qualifier for the operand, or the qualifer sequence is 645 not in use (when all qualifiers in the sequence are NILs), we have to 646 handle this special case here. */ 647 if (known_qlf == AARCH64_OPND_NIL) 648 { 649 assert (qseq_list[0][known_idx] == AARCH64_OPND_NIL); 650 return qseq_list[0][idx]; 651 } 652 653 for (i = 0, saved_i = -1; i < AARCH64_MAX_QLF_SEQ_NUM; ++i) 654 { 655 if (qseq_list[i][known_idx] == known_qlf) 656 { 657 if (saved_i != -1) 658 /* More than one sequences are found to have KNOWN_QLF at 659 KNOWN_IDX. */ 660 return AARCH64_OPND_NIL; 661 saved_i = i; 662 } 663 } 664 665 return qseq_list[saved_i][idx]; 666 } 667 668 enum operand_qualifier_kind 669 { 670 OQK_NIL, 671 OQK_OPD_VARIANT, 672 OQK_VALUE_IN_RANGE, 673 OQK_MISC, 674 }; 675 676 /* Operand qualifier description. */ 677 struct operand_qualifier_data 678 { 679 /* The usage of the three data fields depends on the qualifier kind. */ 680 int data0; 681 int data1; 682 int data2; 683 /* Description. */ 684 const char *desc; 685 /* Kind. */ 686 enum operand_qualifier_kind kind; 687 }; 688 689 /* Indexed by the operand qualifier enumerators. */ 690 struct operand_qualifier_data aarch64_opnd_qualifiers[] = 691 { 692 {0, 0, 0, "NIL", OQK_NIL}, 693 694 /* Operand variant qualifiers. 695 First 3 fields: 696 element size, number of elements and common value for encoding. */ 697 698 {4, 1, 0x0, "w", OQK_OPD_VARIANT}, 699 {8, 1, 0x1, "x", OQK_OPD_VARIANT}, 700 {4, 1, 0x0, "wsp", OQK_OPD_VARIANT}, 701 {8, 1, 0x1, "sp", OQK_OPD_VARIANT}, 702 703 {1, 1, 0x0, "b", OQK_OPD_VARIANT}, 704 {2, 1, 0x1, "h", OQK_OPD_VARIANT}, 705 {4, 1, 0x2, "s", OQK_OPD_VARIANT}, 706 {8, 1, 0x3, "d", OQK_OPD_VARIANT}, 707 {16, 1, 0x4, "q", OQK_OPD_VARIANT}, 708 {4, 1, 0x0, "4b", OQK_OPD_VARIANT}, 709 710 {1, 4, 0x0, "4b", OQK_OPD_VARIANT}, 711 {1, 8, 0x0, "8b", OQK_OPD_VARIANT}, 712 {1, 16, 0x1, "16b", OQK_OPD_VARIANT}, 713 {2, 2, 0x0, "2h", OQK_OPD_VARIANT}, 714 {2, 4, 0x2, "4h", OQK_OPD_VARIANT}, 715 {2, 8, 0x3, "8h", OQK_OPD_VARIANT}, 716 {4, 2, 0x4, "2s", OQK_OPD_VARIANT}, 717 {4, 4, 0x5, "4s", OQK_OPD_VARIANT}, 718 {8, 1, 0x6, "1d", OQK_OPD_VARIANT}, 719 {8, 2, 0x7, "2d", OQK_OPD_VARIANT}, 720 {16, 1, 0x8, "1q", OQK_OPD_VARIANT}, 721 722 {0, 0, 0, "z", OQK_OPD_VARIANT}, 723 {0, 0, 0, "m", OQK_OPD_VARIANT}, 724 725 /* Qualifier for scaled immediate for Tag granule (stg,st2g,etc). */ 726 {16, 0, 0, "tag", OQK_OPD_VARIANT}, 727 728 /* Qualifiers constraining the value range. 729 First 3 fields: 730 Lower bound, higher bound, unused. */ 731 732 {0, 15, 0, "CR", OQK_VALUE_IN_RANGE}, 733 {0, 7, 0, "imm_0_7" , OQK_VALUE_IN_RANGE}, 734 {0, 15, 0, "imm_0_15", OQK_VALUE_IN_RANGE}, 735 {0, 31, 0, "imm_0_31", OQK_VALUE_IN_RANGE}, 736 {0, 63, 0, "imm_0_63", OQK_VALUE_IN_RANGE}, 737 {1, 32, 0, "imm_1_32", OQK_VALUE_IN_RANGE}, 738 {1, 64, 0, "imm_1_64", OQK_VALUE_IN_RANGE}, 739 740 /* Qualifiers for miscellaneous purpose. 741 First 3 fields: 742 unused, unused and unused. */ 743 744 {0, 0, 0, "lsl", 0}, 745 {0, 0, 0, "msl", 0}, 746 747 {0, 0, 0, "retrieving", 0}, 748 }; 749 750 static inline bfd_boolean 751 operand_variant_qualifier_p (aarch64_opnd_qualifier_t qualifier) 752 { 753 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_OPD_VARIANT) 754 ? TRUE : FALSE; 755 } 756 757 static inline bfd_boolean 758 qualifier_value_in_range_constraint_p (aarch64_opnd_qualifier_t qualifier) 759 { 760 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_VALUE_IN_RANGE) 761 ? TRUE : FALSE; 762 } 763 764 const char* 765 aarch64_get_qualifier_name (aarch64_opnd_qualifier_t qualifier) 766 { 767 return aarch64_opnd_qualifiers[qualifier].desc; 768 } 769 770 /* Given an operand qualifier, return the expected data element size 771 of a qualified operand. */ 772 unsigned char 773 aarch64_get_qualifier_esize (aarch64_opnd_qualifier_t qualifier) 774 { 775 assert (operand_variant_qualifier_p (qualifier) == TRUE); 776 return aarch64_opnd_qualifiers[qualifier].data0; 777 } 778 779 unsigned char 780 aarch64_get_qualifier_nelem (aarch64_opnd_qualifier_t qualifier) 781 { 782 assert (operand_variant_qualifier_p (qualifier) == TRUE); 783 return aarch64_opnd_qualifiers[qualifier].data1; 784 } 785 786 aarch64_insn 787 aarch64_get_qualifier_standard_value (aarch64_opnd_qualifier_t qualifier) 788 { 789 assert (operand_variant_qualifier_p (qualifier) == TRUE); 790 return aarch64_opnd_qualifiers[qualifier].data2; 791 } 792 793 static int 794 get_lower_bound (aarch64_opnd_qualifier_t qualifier) 795 { 796 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE); 797 return aarch64_opnd_qualifiers[qualifier].data0; 798 } 799 800 static int 801 get_upper_bound (aarch64_opnd_qualifier_t qualifier) 802 { 803 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE); 804 return aarch64_opnd_qualifiers[qualifier].data1; 805 } 806 807 #ifdef DEBUG_AARCH64 808 void 809 aarch64_verbose (const char *str, ...) 810 { 811 va_list ap; 812 va_start (ap, str); 813 printf ("#### "); 814 vprintf (str, ap); 815 printf ("\n"); 816 va_end (ap); 817 } 818 819 static inline void 820 dump_qualifier_sequence (const aarch64_opnd_qualifier_t *qualifier) 821 { 822 int i; 823 printf ("#### \t"); 824 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i, ++qualifier) 825 printf ("%s,", aarch64_get_qualifier_name (*qualifier)); 826 printf ("\n"); 827 } 828 829 static void 830 dump_match_qualifiers (const struct aarch64_opnd_info *opnd, 831 const aarch64_opnd_qualifier_t *qualifier) 832 { 833 int i; 834 aarch64_opnd_qualifier_t curr[AARCH64_MAX_OPND_NUM]; 835 836 aarch64_verbose ("dump_match_qualifiers:"); 837 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i) 838 curr[i] = opnd[i].qualifier; 839 dump_qualifier_sequence (curr); 840 aarch64_verbose ("against"); 841 dump_qualifier_sequence (qualifier); 842 } 843 #endif /* DEBUG_AARCH64 */ 844 845 /* This function checks if the given instruction INSN is a destructive 846 instruction based on the usage of the registers. It does not recognize 847 unary destructive instructions. */ 848 bfd_boolean 849 aarch64_is_destructive_by_operands (const aarch64_opcode *opcode) 850 { 851 int i = 0; 852 const enum aarch64_opnd *opnds = opcode->operands; 853 854 if (opnds[0] == AARCH64_OPND_NIL) 855 return FALSE; 856 857 while (opnds[++i] != AARCH64_OPND_NIL) 858 if (opnds[i] == opnds[0]) 859 return TRUE; 860 861 return FALSE; 862 } 863 864 /* TODO improve this, we can have an extra field at the runtime to 865 store the number of operands rather than calculating it every time. */ 866 867 int 868 aarch64_num_of_operands (const aarch64_opcode *opcode) 869 { 870 int i = 0; 871 const enum aarch64_opnd *opnds = opcode->operands; 872 while (opnds[i++] != AARCH64_OPND_NIL) 873 ; 874 --i; 875 assert (i >= 0 && i <= AARCH64_MAX_OPND_NUM); 876 return i; 877 } 878 879 /* Find the best matched qualifier sequence in *QUALIFIERS_LIST for INST. 880 If succeeds, fill the found sequence in *RET, return 1; otherwise return 0. 881 882 N.B. on the entry, it is very likely that only some operands in *INST 883 have had their qualifiers been established. 884 885 If STOP_AT is not -1, the function will only try to match 886 the qualifier sequence for operands before and including the operand 887 of index STOP_AT; and on success *RET will only be filled with the first 888 (STOP_AT+1) qualifiers. 889 890 A couple examples of the matching algorithm: 891 892 X,W,NIL should match 893 X,W,NIL 894 895 NIL,NIL should match 896 X ,NIL 897 898 Apart from serving the main encoding routine, this can also be called 899 during or after the operand decoding. */ 900 901 int 902 aarch64_find_best_match (const aarch64_inst *inst, 903 const aarch64_opnd_qualifier_seq_t *qualifiers_list, 904 int stop_at, aarch64_opnd_qualifier_t *ret) 905 { 906 int found = 0; 907 int i, num_opnds; 908 const aarch64_opnd_qualifier_t *qualifiers; 909 910 num_opnds = aarch64_num_of_operands (inst->opcode); 911 if (num_opnds == 0) 912 { 913 DEBUG_TRACE ("SUCCEED: no operand"); 914 return 1; 915 } 916 917 if (stop_at < 0 || stop_at >= num_opnds) 918 stop_at = num_opnds - 1; 919 920 /* For each pattern. */ 921 for (i = 0; i < AARCH64_MAX_QLF_SEQ_NUM; ++i, ++qualifiers_list) 922 { 923 int j; 924 qualifiers = *qualifiers_list; 925 926 /* Start as positive. */ 927 found = 1; 928 929 DEBUG_TRACE ("%d", i); 930 #ifdef DEBUG_AARCH64 931 if (debug_dump) 932 dump_match_qualifiers (inst->operands, qualifiers); 933 #endif 934 935 /* Most opcodes has much fewer patterns in the list. 936 First NIL qualifier indicates the end in the list. */ 937 if (empty_qualifier_sequence_p (qualifiers) == TRUE) 938 { 939 DEBUG_TRACE_IF (i == 0, "SUCCEED: empty qualifier list"); 940 if (i) 941 found = 0; 942 break; 943 } 944 945 for (j = 0; j < num_opnds && j <= stop_at; ++j, ++qualifiers) 946 { 947 if (inst->operands[j].qualifier == AARCH64_OPND_QLF_NIL) 948 { 949 /* Either the operand does not have qualifier, or the qualifier 950 for the operand needs to be deduced from the qualifier 951 sequence. 952 In the latter case, any constraint checking related with 953 the obtained qualifier should be done later in 954 operand_general_constraint_met_p. */ 955 continue; 956 } 957 else if (*qualifiers != inst->operands[j].qualifier) 958 { 959 /* Unless the target qualifier can also qualify the operand 960 (which has already had a non-nil qualifier), non-equal 961 qualifiers are generally un-matched. */ 962 if (operand_also_qualified_p (inst->operands + j, *qualifiers)) 963 continue; 964 else 965 { 966 found = 0; 967 break; 968 } 969 } 970 else 971 continue; /* Equal qualifiers are certainly matched. */ 972 } 973 974 /* Qualifiers established. */ 975 if (found == 1) 976 break; 977 } 978 979 if (found == 1) 980 { 981 /* Fill the result in *RET. */ 982 int j; 983 qualifiers = *qualifiers_list; 984 985 DEBUG_TRACE ("complete qualifiers using list %d", i); 986 #ifdef DEBUG_AARCH64 987 if (debug_dump) 988 dump_qualifier_sequence (qualifiers); 989 #endif 990 991 for (j = 0; j <= stop_at; ++j, ++qualifiers) 992 ret[j] = *qualifiers; 993 for (; j < AARCH64_MAX_OPND_NUM; ++j) 994 ret[j] = AARCH64_OPND_QLF_NIL; 995 996 DEBUG_TRACE ("SUCCESS"); 997 return 1; 998 } 999 1000 DEBUG_TRACE ("FAIL"); 1001 return 0; 1002 } 1003 1004 /* Operand qualifier matching and resolving. 1005 1006 Return 1 if the operand qualifier(s) in *INST match one of the qualifier 1007 sequences in INST->OPCODE->qualifiers_list; otherwise return 0. 1008 1009 if UPDATE_P == TRUE, update the qualifier(s) in *INST after the matching 1010 succeeds. */ 1011 1012 static int 1013 match_operands_qualifier (aarch64_inst *inst, bfd_boolean update_p) 1014 { 1015 int i, nops; 1016 aarch64_opnd_qualifier_seq_t qualifiers; 1017 1018 if (!aarch64_find_best_match (inst, inst->opcode->qualifiers_list, -1, 1019 qualifiers)) 1020 { 1021 DEBUG_TRACE ("matching FAIL"); 1022 return 0; 1023 } 1024 1025 if (inst->opcode->flags & F_STRICT) 1026 { 1027 /* Require an exact qualifier match, even for NIL qualifiers. */ 1028 nops = aarch64_num_of_operands (inst->opcode); 1029 for (i = 0; i < nops; ++i) 1030 if (inst->operands[i].qualifier != qualifiers[i]) 1031 return FALSE; 1032 } 1033 1034 /* Update the qualifiers. */ 1035 if (update_p == TRUE) 1036 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i) 1037 { 1038 if (inst->opcode->operands[i] == AARCH64_OPND_NIL) 1039 break; 1040 DEBUG_TRACE_IF (inst->operands[i].qualifier != qualifiers[i], 1041 "update %s with %s for operand %d", 1042 aarch64_get_qualifier_name (inst->operands[i].qualifier), 1043 aarch64_get_qualifier_name (qualifiers[i]), i); 1044 inst->operands[i].qualifier = qualifiers[i]; 1045 } 1046 1047 DEBUG_TRACE ("matching SUCCESS"); 1048 return 1; 1049 } 1050 1051 /* Return TRUE if VALUE is a wide constant that can be moved into a general 1052 register by MOVZ. 1053 1054 IS32 indicates whether value is a 32-bit immediate or not. 1055 If SHIFT_AMOUNT is not NULL, on the return of TRUE, the logical left shift 1056 amount will be returned in *SHIFT_AMOUNT. */ 1057 1058 bfd_boolean 1059 aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount) 1060 { 1061 int amount; 1062 1063 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 ")", value, value); 1064 1065 if (is32) 1066 { 1067 /* Allow all zeros or all ones in top 32-bits, so that 1068 32-bit constant expressions like ~0x80000000 are 1069 permitted. */ 1070 uint64_t ext = value; 1071 if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff) 1072 /* Immediate out of range. */ 1073 return FALSE; 1074 value &= (int64_t) 0xffffffff; 1075 } 1076 1077 /* first, try movz then movn */ 1078 amount = -1; 1079 if ((value & ((int64_t) 0xffff << 0)) == value) 1080 amount = 0; 1081 else if ((value & ((int64_t) 0xffff << 16)) == value) 1082 amount = 16; 1083 else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value) 1084 amount = 32; 1085 else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value) 1086 amount = 48; 1087 1088 if (amount == -1) 1089 { 1090 DEBUG_TRACE ("exit FALSE with 0x%" PRIx64 "(%" PRIi64 ")", value, value); 1091 return FALSE; 1092 } 1093 1094 if (shift_amount != NULL) 1095 *shift_amount = amount; 1096 1097 DEBUG_TRACE ("exit TRUE with amount %d", amount); 1098 1099 return TRUE; 1100 } 1101 1102 /* Build the accepted values for immediate logical SIMD instructions. 1103 1104 The standard encodings of the immediate value are: 1105 N imms immr SIMD size R S 1106 1 ssssss rrrrrr 64 UInt(rrrrrr) UInt(ssssss) 1107 0 0sssss 0rrrrr 32 UInt(rrrrr) UInt(sssss) 1108 0 10ssss 00rrrr 16 UInt(rrrr) UInt(ssss) 1109 0 110sss 000rrr 8 UInt(rrr) UInt(sss) 1110 0 1110ss 0000rr 4 UInt(rr) UInt(ss) 1111 0 11110s 00000r 2 UInt(r) UInt(s) 1112 where all-ones value of S is reserved. 1113 1114 Let's call E the SIMD size. 1115 1116 The immediate value is: S+1 bits '1' rotated to the right by R. 1117 1118 The total of valid encodings is 64*63 + 32*31 + ... + 2*1 = 5334 1119 (remember S != E - 1). */ 1120 1121 #define TOTAL_IMM_NB 5334 1122 1123 typedef struct 1124 { 1125 uint64_t imm; 1126 aarch64_insn encoding; 1127 } simd_imm_encoding; 1128 1129 static simd_imm_encoding simd_immediates[TOTAL_IMM_NB]; 1130 1131 static int 1132 simd_imm_encoding_cmp(const void *i1, const void *i2) 1133 { 1134 const simd_imm_encoding *imm1 = (const simd_imm_encoding *)i1; 1135 const simd_imm_encoding *imm2 = (const simd_imm_encoding *)i2; 1136 1137 if (imm1->imm < imm2->imm) 1138 return -1; 1139 if (imm1->imm > imm2->imm) 1140 return +1; 1141 return 0; 1142 } 1143 1144 /* immediate bitfield standard encoding 1145 imm13<12> imm13<5:0> imm13<11:6> SIMD size R S 1146 1 ssssss rrrrrr 64 rrrrrr ssssss 1147 0 0sssss 0rrrrr 32 rrrrr sssss 1148 0 10ssss 00rrrr 16 rrrr ssss 1149 0 110sss 000rrr 8 rrr sss 1150 0 1110ss 0000rr 4 rr ss 1151 0 11110s 00000r 2 r s */ 1152 static inline int 1153 encode_immediate_bitfield (int is64, uint32_t s, uint32_t r) 1154 { 1155 return (is64 << 12) | (r << 6) | s; 1156 } 1157 1158 static void 1159 build_immediate_table (void) 1160 { 1161 uint32_t log_e, e, s, r, s_mask; 1162 uint64_t mask, imm; 1163 int nb_imms; 1164 int is64; 1165 1166 nb_imms = 0; 1167 for (log_e = 1; log_e <= 6; log_e++) 1168 { 1169 /* Get element size. */ 1170 e = 1u << log_e; 1171 if (log_e == 6) 1172 { 1173 is64 = 1; 1174 mask = 0xffffffffffffffffull; 1175 s_mask = 0; 1176 } 1177 else 1178 { 1179 is64 = 0; 1180 mask = (1ull << e) - 1; 1181 /* log_e s_mask 1182 1 ((1 << 4) - 1) << 2 = 111100 1183 2 ((1 << 3) - 1) << 3 = 111000 1184 3 ((1 << 2) - 1) << 4 = 110000 1185 4 ((1 << 1) - 1) << 5 = 100000 1186 5 ((1 << 0) - 1) << 6 = 000000 */ 1187 s_mask = ((1u << (5 - log_e)) - 1) << (log_e + 1); 1188 } 1189 for (s = 0; s < e - 1; s++) 1190 for (r = 0; r < e; r++) 1191 { 1192 /* s+1 consecutive bits to 1 (s < 63) */ 1193 imm = (1ull << (s + 1)) - 1; 1194 /* rotate right by r */ 1195 if (r != 0) 1196 imm = (imm >> r) | ((imm << (e - r)) & mask); 1197 /* replicate the constant depending on SIMD size */ 1198 switch (log_e) 1199 { 1200 case 1: imm = (imm << 2) | imm; 1201 /* Fall through. */ 1202 case 2: imm = (imm << 4) | imm; 1203 /* Fall through. */ 1204 case 3: imm = (imm << 8) | imm; 1205 /* Fall through. */ 1206 case 4: imm = (imm << 16) | imm; 1207 /* Fall through. */ 1208 case 5: imm = (imm << 32) | imm; 1209 /* Fall through. */ 1210 case 6: break; 1211 default: abort (); 1212 } 1213 simd_immediates[nb_imms].imm = imm; 1214 simd_immediates[nb_imms].encoding = 1215 encode_immediate_bitfield(is64, s | s_mask, r); 1216 nb_imms++; 1217 } 1218 } 1219 assert (nb_imms == TOTAL_IMM_NB); 1220 qsort(simd_immediates, nb_imms, 1221 sizeof(simd_immediates[0]), simd_imm_encoding_cmp); 1222 } 1223 1224 /* Return TRUE if VALUE is a valid logical immediate, i.e. bitmask, that can 1225 be accepted by logical (immediate) instructions 1226 e.g. ORR <Xd|SP>, <Xn>, #<imm>. 1227 1228 ESIZE is the number of bytes in the decoded immediate value. 1229 If ENCODING is not NULL, on the return of TRUE, the standard encoding for 1230 VALUE will be returned in *ENCODING. */ 1231 1232 bfd_boolean 1233 aarch64_logical_immediate_p (uint64_t value, int esize, aarch64_insn *encoding) 1234 { 1235 simd_imm_encoding imm_enc; 1236 const simd_imm_encoding *imm_encoding; 1237 static bfd_boolean initialized = FALSE; 1238 uint64_t upper; 1239 int i; 1240 1241 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 "), esize: %d", value, 1242 value, esize); 1243 1244 if (!initialized) 1245 { 1246 build_immediate_table (); 1247 initialized = TRUE; 1248 } 1249 1250 /* Allow all zeros or all ones in top bits, so that 1251 constant expressions like ~1 are permitted. */ 1252 upper = (uint64_t) -1 << (esize * 4) << (esize * 4); 1253 if ((value & ~upper) != value && (value | upper) != value) 1254 return FALSE; 1255 1256 /* Replicate to a full 64-bit value. */ 1257 value &= ~upper; 1258 for (i = esize * 8; i < 64; i *= 2) 1259 value |= (value << i); 1260 1261 imm_enc.imm = value; 1262 imm_encoding = (const simd_imm_encoding *) 1263 bsearch(&imm_enc, simd_immediates, TOTAL_IMM_NB, 1264 sizeof(simd_immediates[0]), simd_imm_encoding_cmp); 1265 if (imm_encoding == NULL) 1266 { 1267 DEBUG_TRACE ("exit with FALSE"); 1268 return FALSE; 1269 } 1270 if (encoding != NULL) 1271 *encoding = imm_encoding->encoding; 1272 DEBUG_TRACE ("exit with TRUE"); 1273 return TRUE; 1274 } 1275 1276 /* If 64-bit immediate IMM is in the format of 1277 "aaaaaaaabbbbbbbbccccccccddddddddeeeeeeeeffffffffgggggggghhhhhhhh", 1278 where a, b, c, d, e, f, g and h are independently 0 or 1, return an integer 1279 of value "abcdefgh". Otherwise return -1. */ 1280 int 1281 aarch64_shrink_expanded_imm8 (uint64_t imm) 1282 { 1283 int i, ret; 1284 uint32_t byte; 1285 1286 ret = 0; 1287 for (i = 0; i < 8; i++) 1288 { 1289 byte = (imm >> (8 * i)) & 0xff; 1290 if (byte == 0xff) 1291 ret |= 1 << i; 1292 else if (byte != 0x00) 1293 return -1; 1294 } 1295 return ret; 1296 } 1297 1298 /* Utility inline functions for operand_general_constraint_met_p. */ 1299 1300 static inline void 1301 set_error (aarch64_operand_error *mismatch_detail, 1302 enum aarch64_operand_error_kind kind, int idx, 1303 const char* error) 1304 { 1305 if (mismatch_detail == NULL) 1306 return; 1307 mismatch_detail->kind = kind; 1308 mismatch_detail->index = idx; 1309 mismatch_detail->error = error; 1310 } 1311 1312 static inline void 1313 set_syntax_error (aarch64_operand_error *mismatch_detail, int idx, 1314 const char* error) 1315 { 1316 if (mismatch_detail == NULL) 1317 return; 1318 set_error (mismatch_detail, AARCH64_OPDE_SYNTAX_ERROR, idx, error); 1319 } 1320 1321 static inline void 1322 set_out_of_range_error (aarch64_operand_error *mismatch_detail, 1323 int idx, int lower_bound, int upper_bound, 1324 const char* error) 1325 { 1326 if (mismatch_detail == NULL) 1327 return; 1328 set_error (mismatch_detail, AARCH64_OPDE_OUT_OF_RANGE, idx, error); 1329 mismatch_detail->data[0] = lower_bound; 1330 mismatch_detail->data[1] = upper_bound; 1331 } 1332 1333 static inline void 1334 set_imm_out_of_range_error (aarch64_operand_error *mismatch_detail, 1335 int idx, int lower_bound, int upper_bound) 1336 { 1337 if (mismatch_detail == NULL) 1338 return; 1339 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound, 1340 _("immediate value")); 1341 } 1342 1343 static inline void 1344 set_offset_out_of_range_error (aarch64_operand_error *mismatch_detail, 1345 int idx, int lower_bound, int upper_bound) 1346 { 1347 if (mismatch_detail == NULL) 1348 return; 1349 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound, 1350 _("immediate offset")); 1351 } 1352 1353 static inline void 1354 set_regno_out_of_range_error (aarch64_operand_error *mismatch_detail, 1355 int idx, int lower_bound, int upper_bound) 1356 { 1357 if (mismatch_detail == NULL) 1358 return; 1359 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound, 1360 _("register number")); 1361 } 1362 1363 static inline void 1364 set_elem_idx_out_of_range_error (aarch64_operand_error *mismatch_detail, 1365 int idx, int lower_bound, int upper_bound) 1366 { 1367 if (mismatch_detail == NULL) 1368 return; 1369 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound, 1370 _("register element index")); 1371 } 1372 1373 static inline void 1374 set_sft_amount_out_of_range_error (aarch64_operand_error *mismatch_detail, 1375 int idx, int lower_bound, int upper_bound) 1376 { 1377 if (mismatch_detail == NULL) 1378 return; 1379 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound, 1380 _("shift amount")); 1381 } 1382 1383 /* Report that the MUL modifier in operand IDX should be in the range 1384 [LOWER_BOUND, UPPER_BOUND]. */ 1385 static inline void 1386 set_multiplier_out_of_range_error (aarch64_operand_error *mismatch_detail, 1387 int idx, int lower_bound, int upper_bound) 1388 { 1389 if (mismatch_detail == NULL) 1390 return; 1391 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound, 1392 _("multiplier")); 1393 } 1394 1395 static inline void 1396 set_unaligned_error (aarch64_operand_error *mismatch_detail, int idx, 1397 int alignment) 1398 { 1399 if (mismatch_detail == NULL) 1400 return; 1401 set_error (mismatch_detail, AARCH64_OPDE_UNALIGNED, idx, NULL); 1402 mismatch_detail->data[0] = alignment; 1403 } 1404 1405 static inline void 1406 set_reg_list_error (aarch64_operand_error *mismatch_detail, int idx, 1407 int expected_num) 1408 { 1409 if (mismatch_detail == NULL) 1410 return; 1411 set_error (mismatch_detail, AARCH64_OPDE_REG_LIST, idx, NULL); 1412 mismatch_detail->data[0] = expected_num; 1413 } 1414 1415 static inline void 1416 set_other_error (aarch64_operand_error *mismatch_detail, int idx, 1417 const char* error) 1418 { 1419 if (mismatch_detail == NULL) 1420 return; 1421 set_error (mismatch_detail, AARCH64_OPDE_OTHER_ERROR, idx, error); 1422 } 1423 1424 /* General constraint checking based on operand code. 1425 1426 Return 1 if OPNDS[IDX] meets the general constraint of operand code TYPE 1427 as the IDXth operand of opcode OPCODE. Otherwise return 0. 1428 1429 This function has to be called after the qualifiers for all operands 1430 have been resolved. 1431 1432 Mismatching error message is returned in *MISMATCH_DETAIL upon request, 1433 i.e. when MISMATCH_DETAIL is non-NULL. This avoids the generation 1434 of error message during the disassembling where error message is not 1435 wanted. We avoid the dynamic construction of strings of error messages 1436 here (i.e. in libopcodes), as it is costly and complicated; instead, we 1437 use a combination of error code, static string and some integer data to 1438 represent an error. */ 1439 1440 static int 1441 operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx, 1442 enum aarch64_opnd type, 1443 const aarch64_opcode *opcode, 1444 aarch64_operand_error *mismatch_detail) 1445 { 1446 unsigned num, modifiers, shift; 1447 unsigned char size; 1448 int64_t imm, min_value, max_value; 1449 uint64_t uvalue, mask; 1450 const aarch64_opnd_info *opnd = opnds + idx; 1451 aarch64_opnd_qualifier_t qualifier = opnd->qualifier; 1452 1453 assert (opcode->operands[idx] == opnd->type && opnd->type == type); 1454 1455 switch (aarch64_operands[type].op_class) 1456 { 1457 case AARCH64_OPND_CLASS_INT_REG: 1458 /* Check pair reg constraints for cas* instructions. */ 1459 if (type == AARCH64_OPND_PAIRREG) 1460 { 1461 assert (idx == 1 || idx == 3); 1462 if (opnds[idx - 1].reg.regno % 2 != 0) 1463 { 1464 set_syntax_error (mismatch_detail, idx - 1, 1465 _("reg pair must start from even reg")); 1466 return 0; 1467 } 1468 if (opnds[idx].reg.regno != opnds[idx - 1].reg.regno + 1) 1469 { 1470 set_syntax_error (mismatch_detail, idx, 1471 _("reg pair must be contiguous")); 1472 return 0; 1473 } 1474 break; 1475 } 1476 1477 /* <Xt> may be optional in some IC and TLBI instructions. */ 1478 if (type == AARCH64_OPND_Rt_SYS) 1479 { 1480 assert (idx == 1 && (aarch64_get_operand_class (opnds[0].type) 1481 == AARCH64_OPND_CLASS_SYSTEM)); 1482 if (opnds[1].present 1483 && !aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op)) 1484 { 1485 set_other_error (mismatch_detail, idx, _("extraneous register")); 1486 return 0; 1487 } 1488 if (!opnds[1].present 1489 && aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op)) 1490 { 1491 set_other_error (mismatch_detail, idx, _("missing register")); 1492 return 0; 1493 } 1494 } 1495 switch (qualifier) 1496 { 1497 case AARCH64_OPND_QLF_WSP: 1498 case AARCH64_OPND_QLF_SP: 1499 if (!aarch64_stack_pointer_p (opnd)) 1500 { 1501 set_other_error (mismatch_detail, idx, 1502 _("stack pointer register expected")); 1503 return 0; 1504 } 1505 break; 1506 default: 1507 break; 1508 } 1509 break; 1510 1511 case AARCH64_OPND_CLASS_SVE_REG: 1512 switch (type) 1513 { 1514 case AARCH64_OPND_SVE_Zm3_INDEX: 1515 case AARCH64_OPND_SVE_Zm3_22_INDEX: 1516 case AARCH64_OPND_SVE_Zm4_INDEX: 1517 size = get_operand_fields_width (get_operand_from_code (type)); 1518 shift = get_operand_specific_data (&aarch64_operands[type]); 1519 mask = (1 << shift) - 1; 1520 if (opnd->reg.regno > mask) 1521 { 1522 assert (mask == 7 || mask == 15); 1523 set_other_error (mismatch_detail, idx, 1524 mask == 15 1525 ? _("z0-z15 expected") 1526 : _("z0-z7 expected")); 1527 return 0; 1528 } 1529 mask = (1 << (size - shift)) - 1; 1530 if (!value_in_range_p (opnd->reglane.index, 0, mask)) 1531 { 1532 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, mask); 1533 return 0; 1534 } 1535 break; 1536 1537 case AARCH64_OPND_SVE_Zn_INDEX: 1538 size = aarch64_get_qualifier_esize (opnd->qualifier); 1539 if (!value_in_range_p (opnd->reglane.index, 0, 64 / size - 1)) 1540 { 1541 set_elem_idx_out_of_range_error (mismatch_detail, idx, 1542 0, 64 / size - 1); 1543 return 0; 1544 } 1545 break; 1546 1547 case AARCH64_OPND_SVE_ZnxN: 1548 case AARCH64_OPND_SVE_ZtxN: 1549 if (opnd->reglist.num_regs != get_opcode_dependent_value (opcode)) 1550 { 1551 set_other_error (mismatch_detail, idx, 1552 _("invalid register list")); 1553 return 0; 1554 } 1555 break; 1556 1557 default: 1558 break; 1559 } 1560 break; 1561 1562 case AARCH64_OPND_CLASS_PRED_REG: 1563 if (opnd->reg.regno >= 8 1564 && get_operand_fields_width (get_operand_from_code (type)) == 3) 1565 { 1566 set_other_error (mismatch_detail, idx, _("p0-p7 expected")); 1567 return 0; 1568 } 1569 break; 1570 1571 case AARCH64_OPND_CLASS_COND: 1572 if (type == AARCH64_OPND_COND1 1573 && (opnds[idx].cond->value & 0xe) == 0xe) 1574 { 1575 /* Not allow AL or NV. */ 1576 set_syntax_error (mismatch_detail, idx, NULL); 1577 } 1578 break; 1579 1580 case AARCH64_OPND_CLASS_ADDRESS: 1581 /* Check writeback. */ 1582 switch (opcode->iclass) 1583 { 1584 case ldst_pos: 1585 case ldst_unscaled: 1586 case ldstnapair_offs: 1587 case ldstpair_off: 1588 case ldst_unpriv: 1589 if (opnd->addr.writeback == 1) 1590 { 1591 set_syntax_error (mismatch_detail, idx, 1592 _("unexpected address writeback")); 1593 return 0; 1594 } 1595 break; 1596 case ldst_imm10: 1597 if (opnd->addr.writeback == 1 && opnd->addr.preind != 1) 1598 { 1599 set_syntax_error (mismatch_detail, idx, 1600 _("unexpected address writeback")); 1601 return 0; 1602 } 1603 break; 1604 case ldst_imm9: 1605 case ldstpair_indexed: 1606 case asisdlsep: 1607 case asisdlsop: 1608 if (opnd->addr.writeback == 0) 1609 { 1610 set_syntax_error (mismatch_detail, idx, 1611 _("address writeback expected")); 1612 return 0; 1613 } 1614 break; 1615 default: 1616 assert (opnd->addr.writeback == 0); 1617 break; 1618 } 1619 switch (type) 1620 { 1621 case AARCH64_OPND_ADDR_SIMM7: 1622 /* Scaled signed 7 bits immediate offset. */ 1623 /* Get the size of the data element that is accessed, which may be 1624 different from that of the source register size, 1625 e.g. in strb/ldrb. */ 1626 size = aarch64_get_qualifier_esize (opnd->qualifier); 1627 if (!value_in_range_p (opnd->addr.offset.imm, -64 * size, 63 * size)) 1628 { 1629 set_offset_out_of_range_error (mismatch_detail, idx, 1630 -64 * size, 63 * size); 1631 return 0; 1632 } 1633 if (!value_aligned_p (opnd->addr.offset.imm, size)) 1634 { 1635 set_unaligned_error (mismatch_detail, idx, size); 1636 return 0; 1637 } 1638 break; 1639 case AARCH64_OPND_ADDR_OFFSET: 1640 case AARCH64_OPND_ADDR_SIMM9: 1641 /* Unscaled signed 9 bits immediate offset. */ 1642 if (!value_in_range_p (opnd->addr.offset.imm, -256, 255)) 1643 { 1644 set_offset_out_of_range_error (mismatch_detail, idx, -256, 255); 1645 return 0; 1646 } 1647 break; 1648 1649 case AARCH64_OPND_ADDR_SIMM9_2: 1650 /* Unscaled signed 9 bits immediate offset, which has to be negative 1651 or unaligned. */ 1652 size = aarch64_get_qualifier_esize (qualifier); 1653 if ((value_in_range_p (opnd->addr.offset.imm, 0, 255) 1654 && !value_aligned_p (opnd->addr.offset.imm, size)) 1655 || value_in_range_p (opnd->addr.offset.imm, -256, -1)) 1656 return 1; 1657 set_other_error (mismatch_detail, idx, 1658 _("negative or unaligned offset expected")); 1659 return 0; 1660 1661 case AARCH64_OPND_ADDR_SIMM10: 1662 /* Scaled signed 10 bits immediate offset. */ 1663 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4088)) 1664 { 1665 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4088); 1666 return 0; 1667 } 1668 if (!value_aligned_p (opnd->addr.offset.imm, 8)) 1669 { 1670 set_unaligned_error (mismatch_detail, idx, 8); 1671 return 0; 1672 } 1673 break; 1674 1675 case AARCH64_OPND_ADDR_SIMM11: 1676 /* Signed 11 bits immediate offset (multiple of 16). */ 1677 if (!value_in_range_p (opnd->addr.offset.imm, -1024, 1008)) 1678 { 1679 set_offset_out_of_range_error (mismatch_detail, idx, -1024, 1008); 1680 return 0; 1681 } 1682 1683 if (!value_aligned_p (opnd->addr.offset.imm, 16)) 1684 { 1685 set_unaligned_error (mismatch_detail, idx, 16); 1686 return 0; 1687 } 1688 break; 1689 1690 case AARCH64_OPND_ADDR_SIMM13: 1691 /* Signed 13 bits immediate offset (multiple of 16). */ 1692 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4080)) 1693 { 1694 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4080); 1695 return 0; 1696 } 1697 1698 if (!value_aligned_p (opnd->addr.offset.imm, 16)) 1699 { 1700 set_unaligned_error (mismatch_detail, idx, 16); 1701 return 0; 1702 } 1703 break; 1704 1705 case AARCH64_OPND_SIMD_ADDR_POST: 1706 /* AdvSIMD load/store multiple structures, post-index. */ 1707 assert (idx == 1); 1708 if (opnd->addr.offset.is_reg) 1709 { 1710 if (value_in_range_p (opnd->addr.offset.regno, 0, 30)) 1711 return 1; 1712 else 1713 { 1714 set_other_error (mismatch_detail, idx, 1715 _("invalid register offset")); 1716 return 0; 1717 } 1718 } 1719 else 1720 { 1721 const aarch64_opnd_info *prev = &opnds[idx-1]; 1722 unsigned num_bytes; /* total number of bytes transferred. */ 1723 /* The opcode dependent area stores the number of elements in 1724 each structure to be loaded/stored. */ 1725 int is_ld1r = get_opcode_dependent_value (opcode) == 1; 1726 if (opcode->operands[0] == AARCH64_OPND_LVt_AL) 1727 /* Special handling of loading single structure to all lane. */ 1728 num_bytes = (is_ld1r ? 1 : prev->reglist.num_regs) 1729 * aarch64_get_qualifier_esize (prev->qualifier); 1730 else 1731 num_bytes = prev->reglist.num_regs 1732 * aarch64_get_qualifier_esize (prev->qualifier) 1733 * aarch64_get_qualifier_nelem (prev->qualifier); 1734 if ((int) num_bytes != opnd->addr.offset.imm) 1735 { 1736 set_other_error (mismatch_detail, idx, 1737 _("invalid post-increment amount")); 1738 return 0; 1739 } 1740 } 1741 break; 1742 1743 case AARCH64_OPND_ADDR_REGOFF: 1744 /* Get the size of the data element that is accessed, which may be 1745 different from that of the source register size, 1746 e.g. in strb/ldrb. */ 1747 size = aarch64_get_qualifier_esize (opnd->qualifier); 1748 /* It is either no shift or shift by the binary logarithm of SIZE. */ 1749 if (opnd->shifter.amount != 0 1750 && opnd->shifter.amount != (int)get_logsz (size)) 1751 { 1752 set_other_error (mismatch_detail, idx, 1753 _("invalid shift amount")); 1754 return 0; 1755 } 1756 /* Only UXTW, LSL, SXTW and SXTX are the accepted extending 1757 operators. */ 1758 switch (opnd->shifter.kind) 1759 { 1760 case AARCH64_MOD_UXTW: 1761 case AARCH64_MOD_LSL: 1762 case AARCH64_MOD_SXTW: 1763 case AARCH64_MOD_SXTX: break; 1764 default: 1765 set_other_error (mismatch_detail, idx, 1766 _("invalid extend/shift operator")); 1767 return 0; 1768 } 1769 break; 1770 1771 case AARCH64_OPND_ADDR_UIMM12: 1772 imm = opnd->addr.offset.imm; 1773 /* Get the size of the data element that is accessed, which may be 1774 different from that of the source register size, 1775 e.g. in strb/ldrb. */ 1776 size = aarch64_get_qualifier_esize (qualifier); 1777 if (!value_in_range_p (opnd->addr.offset.imm, 0, 4095 * size)) 1778 { 1779 set_offset_out_of_range_error (mismatch_detail, idx, 1780 0, 4095 * size); 1781 return 0; 1782 } 1783 if (!value_aligned_p (opnd->addr.offset.imm, size)) 1784 { 1785 set_unaligned_error (mismatch_detail, idx, size); 1786 return 0; 1787 } 1788 break; 1789 1790 case AARCH64_OPND_ADDR_PCREL14: 1791 case AARCH64_OPND_ADDR_PCREL19: 1792 case AARCH64_OPND_ADDR_PCREL21: 1793 case AARCH64_OPND_ADDR_PCREL26: 1794 imm = opnd->imm.value; 1795 if (operand_need_shift_by_two (get_operand_from_code (type))) 1796 { 1797 /* The offset value in a PC-relative branch instruction is alway 1798 4-byte aligned and is encoded without the lowest 2 bits. */ 1799 if (!value_aligned_p (imm, 4)) 1800 { 1801 set_unaligned_error (mismatch_detail, idx, 4); 1802 return 0; 1803 } 1804 /* Right shift by 2 so that we can carry out the following check 1805 canonically. */ 1806 imm >>= 2; 1807 } 1808 size = get_operand_fields_width (get_operand_from_code (type)); 1809 if (!value_fit_signed_field_p (imm, size)) 1810 { 1811 set_other_error (mismatch_detail, idx, 1812 _("immediate out of range")); 1813 return 0; 1814 } 1815 break; 1816 1817 case AARCH64_OPND_SVE_ADDR_RI_S4xVL: 1818 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL: 1819 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL: 1820 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL: 1821 min_value = -8; 1822 max_value = 7; 1823 sve_imm_offset_vl: 1824 assert (!opnd->addr.offset.is_reg); 1825 assert (opnd->addr.preind); 1826 num = 1 + get_operand_specific_data (&aarch64_operands[type]); 1827 min_value *= num; 1828 max_value *= num; 1829 if ((opnd->addr.offset.imm != 0 && !opnd->shifter.operator_present) 1830 || (opnd->shifter.operator_present 1831 && opnd->shifter.kind != AARCH64_MOD_MUL_VL)) 1832 { 1833 set_other_error (mismatch_detail, idx, 1834 _("invalid addressing mode")); 1835 return 0; 1836 } 1837 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value)) 1838 { 1839 set_offset_out_of_range_error (mismatch_detail, idx, 1840 min_value, max_value); 1841 return 0; 1842 } 1843 if (!value_aligned_p (opnd->addr.offset.imm, num)) 1844 { 1845 set_unaligned_error (mismatch_detail, idx, num); 1846 return 0; 1847 } 1848 break; 1849 1850 case AARCH64_OPND_SVE_ADDR_RI_S6xVL: 1851 min_value = -32; 1852 max_value = 31; 1853 goto sve_imm_offset_vl; 1854 1855 case AARCH64_OPND_SVE_ADDR_RI_S9xVL: 1856 min_value = -256; 1857 max_value = 255; 1858 goto sve_imm_offset_vl; 1859 1860 case AARCH64_OPND_SVE_ADDR_RI_U6: 1861 case AARCH64_OPND_SVE_ADDR_RI_U6x2: 1862 case AARCH64_OPND_SVE_ADDR_RI_U6x4: 1863 case AARCH64_OPND_SVE_ADDR_RI_U6x8: 1864 min_value = 0; 1865 max_value = 63; 1866 sve_imm_offset: 1867 assert (!opnd->addr.offset.is_reg); 1868 assert (opnd->addr.preind); 1869 num = 1 << get_operand_specific_data (&aarch64_operands[type]); 1870 min_value *= num; 1871 max_value *= num; 1872 if (opnd->shifter.operator_present 1873 || opnd->shifter.amount_present) 1874 { 1875 set_other_error (mismatch_detail, idx, 1876 _("invalid addressing mode")); 1877 return 0; 1878 } 1879 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value)) 1880 { 1881 set_offset_out_of_range_error (mismatch_detail, idx, 1882 min_value, max_value); 1883 return 0; 1884 } 1885 if (!value_aligned_p (opnd->addr.offset.imm, num)) 1886 { 1887 set_unaligned_error (mismatch_detail, idx, num); 1888 return 0; 1889 } 1890 break; 1891 1892 case AARCH64_OPND_SVE_ADDR_RI_S4x16: 1893 min_value = -8; 1894 max_value = 7; 1895 goto sve_imm_offset; 1896 1897 case AARCH64_OPND_SVE_ADDR_R: 1898 case AARCH64_OPND_SVE_ADDR_RR: 1899 case AARCH64_OPND_SVE_ADDR_RR_LSL1: 1900 case AARCH64_OPND_SVE_ADDR_RR_LSL2: 1901 case AARCH64_OPND_SVE_ADDR_RR_LSL3: 1902 case AARCH64_OPND_SVE_ADDR_RX: 1903 case AARCH64_OPND_SVE_ADDR_RX_LSL1: 1904 case AARCH64_OPND_SVE_ADDR_RX_LSL2: 1905 case AARCH64_OPND_SVE_ADDR_RX_LSL3: 1906 case AARCH64_OPND_SVE_ADDR_RZ: 1907 case AARCH64_OPND_SVE_ADDR_RZ_LSL1: 1908 case AARCH64_OPND_SVE_ADDR_RZ_LSL2: 1909 case AARCH64_OPND_SVE_ADDR_RZ_LSL3: 1910 modifiers = 1 << AARCH64_MOD_LSL; 1911 sve_rr_operand: 1912 assert (opnd->addr.offset.is_reg); 1913 assert (opnd->addr.preind); 1914 if ((aarch64_operands[type].flags & OPD_F_NO_ZR) != 0 1915 && opnd->addr.offset.regno == 31) 1916 { 1917 set_other_error (mismatch_detail, idx, 1918 _("index register xzr is not allowed")); 1919 return 0; 1920 } 1921 if (((1 << opnd->shifter.kind) & modifiers) == 0 1922 || (opnd->shifter.amount 1923 != get_operand_specific_data (&aarch64_operands[type]))) 1924 { 1925 set_other_error (mismatch_detail, idx, 1926 _("invalid addressing mode")); 1927 return 0; 1928 } 1929 break; 1930 1931 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14: 1932 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22: 1933 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14: 1934 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22: 1935 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14: 1936 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22: 1937 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14: 1938 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22: 1939 modifiers = (1 << AARCH64_MOD_SXTW) | (1 << AARCH64_MOD_UXTW); 1940 goto sve_rr_operand; 1941 1942 case AARCH64_OPND_SVE_ADDR_ZI_U5: 1943 case AARCH64_OPND_SVE_ADDR_ZI_U5x2: 1944 case AARCH64_OPND_SVE_ADDR_ZI_U5x4: 1945 case AARCH64_OPND_SVE_ADDR_ZI_U5x8: 1946 min_value = 0; 1947 max_value = 31; 1948 goto sve_imm_offset; 1949 1950 case AARCH64_OPND_SVE_ADDR_ZZ_LSL: 1951 modifiers = 1 << AARCH64_MOD_LSL; 1952 sve_zz_operand: 1953 assert (opnd->addr.offset.is_reg); 1954 assert (opnd->addr.preind); 1955 if (((1 << opnd->shifter.kind) & modifiers) == 0 1956 || opnd->shifter.amount < 0 1957 || opnd->shifter.amount > 3) 1958 { 1959 set_other_error (mismatch_detail, idx, 1960 _("invalid addressing mode")); 1961 return 0; 1962 } 1963 break; 1964 1965 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW: 1966 modifiers = (1 << AARCH64_MOD_SXTW); 1967 goto sve_zz_operand; 1968 1969 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW: 1970 modifiers = 1 << AARCH64_MOD_UXTW; 1971 goto sve_zz_operand; 1972 1973 default: 1974 break; 1975 } 1976 break; 1977 1978 case AARCH64_OPND_CLASS_SIMD_REGLIST: 1979 if (type == AARCH64_OPND_LEt) 1980 { 1981 /* Get the upper bound for the element index. */ 1982 num = 16 / aarch64_get_qualifier_esize (qualifier) - 1; 1983 if (!value_in_range_p (opnd->reglist.index, 0, num)) 1984 { 1985 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num); 1986 return 0; 1987 } 1988 } 1989 /* The opcode dependent area stores the number of elements in 1990 each structure to be loaded/stored. */ 1991 num = get_opcode_dependent_value (opcode); 1992 switch (type) 1993 { 1994 case AARCH64_OPND_LVt: 1995 assert (num >= 1 && num <= 4); 1996 /* Unless LD1/ST1, the number of registers should be equal to that 1997 of the structure elements. */ 1998 if (num != 1 && opnd->reglist.num_regs != num) 1999 { 2000 set_reg_list_error (mismatch_detail, idx, num); 2001 return 0; 2002 } 2003 break; 2004 case AARCH64_OPND_LVt_AL: 2005 case AARCH64_OPND_LEt: 2006 assert (num >= 1 && num <= 4); 2007 /* The number of registers should be equal to that of the structure 2008 elements. */ 2009 if (opnd->reglist.num_regs != num) 2010 { 2011 set_reg_list_error (mismatch_detail, idx, num); 2012 return 0; 2013 } 2014 break; 2015 default: 2016 break; 2017 } 2018 break; 2019 2020 case AARCH64_OPND_CLASS_IMMEDIATE: 2021 /* Constraint check on immediate operand. */ 2022 imm = opnd->imm.value; 2023 /* E.g. imm_0_31 constrains value to be 0..31. */ 2024 if (qualifier_value_in_range_constraint_p (qualifier) 2025 && !value_in_range_p (imm, get_lower_bound (qualifier), 2026 get_upper_bound (qualifier))) 2027 { 2028 set_imm_out_of_range_error (mismatch_detail, idx, 2029 get_lower_bound (qualifier), 2030 get_upper_bound (qualifier)); 2031 return 0; 2032 } 2033 2034 switch (type) 2035 { 2036 case AARCH64_OPND_AIMM: 2037 if (opnd->shifter.kind != AARCH64_MOD_LSL) 2038 { 2039 set_other_error (mismatch_detail, idx, 2040 _("invalid shift operator")); 2041 return 0; 2042 } 2043 if (opnd->shifter.amount != 0 && opnd->shifter.amount != 12) 2044 { 2045 set_other_error (mismatch_detail, idx, 2046 _("shift amount must be 0 or 12")); 2047 return 0; 2048 } 2049 if (!value_fit_unsigned_field_p (opnd->imm.value, 12)) 2050 { 2051 set_other_error (mismatch_detail, idx, 2052 _("immediate out of range")); 2053 return 0; 2054 } 2055 break; 2056 2057 case AARCH64_OPND_HALF: 2058 assert (idx == 1 && opnds[0].type == AARCH64_OPND_Rd); 2059 if (opnd->shifter.kind != AARCH64_MOD_LSL) 2060 { 2061 set_other_error (mismatch_detail, idx, 2062 _("invalid shift operator")); 2063 return 0; 2064 } 2065 size = aarch64_get_qualifier_esize (opnds[0].qualifier); 2066 if (!value_aligned_p (opnd->shifter.amount, 16)) 2067 { 2068 set_other_error (mismatch_detail, idx, 2069 _("shift amount must be a multiple of 16")); 2070 return 0; 2071 } 2072 if (!value_in_range_p (opnd->shifter.amount, 0, size * 8 - 16)) 2073 { 2074 set_sft_amount_out_of_range_error (mismatch_detail, idx, 2075 0, size * 8 - 16); 2076 return 0; 2077 } 2078 if (opnd->imm.value < 0) 2079 { 2080 set_other_error (mismatch_detail, idx, 2081 _("negative immediate value not allowed")); 2082 return 0; 2083 } 2084 if (!value_fit_unsigned_field_p (opnd->imm.value, 16)) 2085 { 2086 set_other_error (mismatch_detail, idx, 2087 _("immediate out of range")); 2088 return 0; 2089 } 2090 break; 2091 2092 case AARCH64_OPND_IMM_MOV: 2093 { 2094 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier); 2095 imm = opnd->imm.value; 2096 assert (idx == 1); 2097 switch (opcode->op) 2098 { 2099 case OP_MOV_IMM_WIDEN: 2100 imm = ~imm; 2101 /* Fall through. */ 2102 case OP_MOV_IMM_WIDE: 2103 if (!aarch64_wide_constant_p (imm, esize == 4, NULL)) 2104 { 2105 set_other_error (mismatch_detail, idx, 2106 _("immediate out of range")); 2107 return 0; 2108 } 2109 break; 2110 case OP_MOV_IMM_LOG: 2111 if (!aarch64_logical_immediate_p (imm, esize, NULL)) 2112 { 2113 set_other_error (mismatch_detail, idx, 2114 _("immediate out of range")); 2115 return 0; 2116 } 2117 break; 2118 default: 2119 assert (0); 2120 return 0; 2121 } 2122 } 2123 break; 2124 2125 case AARCH64_OPND_NZCV: 2126 case AARCH64_OPND_CCMP_IMM: 2127 case AARCH64_OPND_EXCEPTION: 2128 case AARCH64_OPND_UIMM4: 2129 case AARCH64_OPND_UIMM4_ADDG: 2130 case AARCH64_OPND_UIMM7: 2131 case AARCH64_OPND_UIMM3_OP1: 2132 case AARCH64_OPND_UIMM3_OP2: 2133 case AARCH64_OPND_SVE_UIMM3: 2134 case AARCH64_OPND_SVE_UIMM7: 2135 case AARCH64_OPND_SVE_UIMM8: 2136 case AARCH64_OPND_SVE_UIMM8_53: 2137 size = get_operand_fields_width (get_operand_from_code (type)); 2138 assert (size < 32); 2139 if (!value_fit_unsigned_field_p (opnd->imm.value, size)) 2140 { 2141 set_imm_out_of_range_error (mismatch_detail, idx, 0, 2142 (1 << size) - 1); 2143 return 0; 2144 } 2145 break; 2146 2147 case AARCH64_OPND_UIMM10: 2148 /* Scaled unsigned 10 bits immediate offset. */ 2149 if (!value_in_range_p (opnd->imm.value, 0, 1008)) 2150 { 2151 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1008); 2152 return 0; 2153 } 2154 2155 if (!value_aligned_p (opnd->imm.value, 16)) 2156 { 2157 set_unaligned_error (mismatch_detail, idx, 16); 2158 return 0; 2159 } 2160 break; 2161 2162 case AARCH64_OPND_SIMM5: 2163 case AARCH64_OPND_SVE_SIMM5: 2164 case AARCH64_OPND_SVE_SIMM5B: 2165 case AARCH64_OPND_SVE_SIMM6: 2166 case AARCH64_OPND_SVE_SIMM8: 2167 size = get_operand_fields_width (get_operand_from_code (type)); 2168 assert (size < 32); 2169 if (!value_fit_signed_field_p (opnd->imm.value, size)) 2170 { 2171 set_imm_out_of_range_error (mismatch_detail, idx, 2172 -(1 << (size - 1)), 2173 (1 << (size - 1)) - 1); 2174 return 0; 2175 } 2176 break; 2177 2178 case AARCH64_OPND_WIDTH: 2179 assert (idx > 1 && opnds[idx-1].type == AARCH64_OPND_IMM 2180 && opnds[0].type == AARCH64_OPND_Rd); 2181 size = get_upper_bound (qualifier); 2182 if (opnd->imm.value + opnds[idx-1].imm.value > size) 2183 /* lsb+width <= reg.size */ 2184 { 2185 set_imm_out_of_range_error (mismatch_detail, idx, 1, 2186 size - opnds[idx-1].imm.value); 2187 return 0; 2188 } 2189 break; 2190 2191 case AARCH64_OPND_LIMM: 2192 case AARCH64_OPND_SVE_LIMM: 2193 { 2194 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier); 2195 uint64_t uimm = opnd->imm.value; 2196 if (opcode->op == OP_BIC) 2197 uimm = ~uimm; 2198 if (!aarch64_logical_immediate_p (uimm, esize, NULL)) 2199 { 2200 set_other_error (mismatch_detail, idx, 2201 _("immediate out of range")); 2202 return 0; 2203 } 2204 } 2205 break; 2206 2207 case AARCH64_OPND_IMM0: 2208 case AARCH64_OPND_FPIMM0: 2209 if (opnd->imm.value != 0) 2210 { 2211 set_other_error (mismatch_detail, idx, 2212 _("immediate zero expected")); 2213 return 0; 2214 } 2215 break; 2216 2217 case AARCH64_OPND_IMM_ROT1: 2218 case AARCH64_OPND_IMM_ROT2: 2219 case AARCH64_OPND_SVE_IMM_ROT2: 2220 if (opnd->imm.value != 0 2221 && opnd->imm.value != 90 2222 && opnd->imm.value != 180 2223 && opnd->imm.value != 270) 2224 { 2225 set_other_error (mismatch_detail, idx, 2226 _("rotate expected to be 0, 90, 180 or 270")); 2227 return 0; 2228 } 2229 break; 2230 2231 case AARCH64_OPND_IMM_ROT3: 2232 case AARCH64_OPND_SVE_IMM_ROT1: 2233 if (opnd->imm.value != 90 && opnd->imm.value != 270) 2234 { 2235 set_other_error (mismatch_detail, idx, 2236 _("rotate expected to be 90 or 270")); 2237 return 0; 2238 } 2239 break; 2240 2241 case AARCH64_OPND_SHLL_IMM: 2242 assert (idx == 2); 2243 size = 8 * aarch64_get_qualifier_esize (opnds[idx - 1].qualifier); 2244 if (opnd->imm.value != size) 2245 { 2246 set_other_error (mismatch_detail, idx, 2247 _("invalid shift amount")); 2248 return 0; 2249 } 2250 break; 2251 2252 case AARCH64_OPND_IMM_VLSL: 2253 size = aarch64_get_qualifier_esize (qualifier); 2254 if (!value_in_range_p (opnd->imm.value, 0, size * 8 - 1)) 2255 { 2256 set_imm_out_of_range_error (mismatch_detail, idx, 0, 2257 size * 8 - 1); 2258 return 0; 2259 } 2260 break; 2261 2262 case AARCH64_OPND_IMM_VLSR: 2263 size = aarch64_get_qualifier_esize (qualifier); 2264 if (!value_in_range_p (opnd->imm.value, 1, size * 8)) 2265 { 2266 set_imm_out_of_range_error (mismatch_detail, idx, 1, size * 8); 2267 return 0; 2268 } 2269 break; 2270 2271 case AARCH64_OPND_SIMD_IMM: 2272 case AARCH64_OPND_SIMD_IMM_SFT: 2273 /* Qualifier check. */ 2274 switch (qualifier) 2275 { 2276 case AARCH64_OPND_QLF_LSL: 2277 if (opnd->shifter.kind != AARCH64_MOD_LSL) 2278 { 2279 set_other_error (mismatch_detail, idx, 2280 _("invalid shift operator")); 2281 return 0; 2282 } 2283 break; 2284 case AARCH64_OPND_QLF_MSL: 2285 if (opnd->shifter.kind != AARCH64_MOD_MSL) 2286 { 2287 set_other_error (mismatch_detail, idx, 2288 _("invalid shift operator")); 2289 return 0; 2290 } 2291 break; 2292 case AARCH64_OPND_QLF_NIL: 2293 if (opnd->shifter.kind != AARCH64_MOD_NONE) 2294 { 2295 set_other_error (mismatch_detail, idx, 2296 _("shift is not permitted")); 2297 return 0; 2298 } 2299 break; 2300 default: 2301 assert (0); 2302 return 0; 2303 } 2304 /* Is the immediate valid? */ 2305 assert (idx == 1); 2306 if (aarch64_get_qualifier_esize (opnds[0].qualifier) != 8) 2307 { 2308 /* uimm8 or simm8 */ 2309 if (!value_in_range_p (opnd->imm.value, -128, 255)) 2310 { 2311 set_imm_out_of_range_error (mismatch_detail, idx, -128, 255); 2312 return 0; 2313 } 2314 } 2315 else if (aarch64_shrink_expanded_imm8 (opnd->imm.value) < 0) 2316 { 2317 /* uimm64 is not 2318 'aaaaaaaabbbbbbbbccccccccddddddddeeeeeeee 2319 ffffffffgggggggghhhhhhhh'. */ 2320 set_other_error (mismatch_detail, idx, 2321 _("invalid value for immediate")); 2322 return 0; 2323 } 2324 /* Is the shift amount valid? */ 2325 switch (opnd->shifter.kind) 2326 { 2327 case AARCH64_MOD_LSL: 2328 size = aarch64_get_qualifier_esize (opnds[0].qualifier); 2329 if (!value_in_range_p (opnd->shifter.amount, 0, (size - 1) * 8)) 2330 { 2331 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 2332 (size - 1) * 8); 2333 return 0; 2334 } 2335 if (!value_aligned_p (opnd->shifter.amount, 8)) 2336 { 2337 set_unaligned_error (mismatch_detail, idx, 8); 2338 return 0; 2339 } 2340 break; 2341 case AARCH64_MOD_MSL: 2342 /* Only 8 and 16 are valid shift amount. */ 2343 if (opnd->shifter.amount != 8 && opnd->shifter.amount != 16) 2344 { 2345 set_other_error (mismatch_detail, idx, 2346 _("shift amount must be 0 or 16")); 2347 return 0; 2348 } 2349 break; 2350 default: 2351 if (opnd->shifter.kind != AARCH64_MOD_NONE) 2352 { 2353 set_other_error (mismatch_detail, idx, 2354 _("invalid shift operator")); 2355 return 0; 2356 } 2357 break; 2358 } 2359 break; 2360 2361 case AARCH64_OPND_FPIMM: 2362 case AARCH64_OPND_SIMD_FPIMM: 2363 case AARCH64_OPND_SVE_FPIMM8: 2364 if (opnd->imm.is_fp == 0) 2365 { 2366 set_other_error (mismatch_detail, idx, 2367 _("floating-point immediate expected")); 2368 return 0; 2369 } 2370 /* The value is expected to be an 8-bit floating-point constant with 2371 sign, 3-bit exponent and normalized 4 bits of precision, encoded 2372 in "a:b:c:d:e:f:g:h" or FLD_imm8 (depending on the type of the 2373 instruction). */ 2374 if (!value_in_range_p (opnd->imm.value, 0, 255)) 2375 { 2376 set_other_error (mismatch_detail, idx, 2377 _("immediate out of range")); 2378 return 0; 2379 } 2380 if (opnd->shifter.kind != AARCH64_MOD_NONE) 2381 { 2382 set_other_error (mismatch_detail, idx, 2383 _("invalid shift operator")); 2384 return 0; 2385 } 2386 break; 2387 2388 case AARCH64_OPND_SVE_AIMM: 2389 min_value = 0; 2390 sve_aimm: 2391 assert (opnd->shifter.kind == AARCH64_MOD_LSL); 2392 size = aarch64_get_qualifier_esize (opnds[0].qualifier); 2393 mask = ~((uint64_t) -1 << (size * 4) << (size * 4)); 2394 uvalue = opnd->imm.value; 2395 shift = opnd->shifter.amount; 2396 if (size == 1) 2397 { 2398 if (shift != 0) 2399 { 2400 set_other_error (mismatch_detail, idx, 2401 _("no shift amount allowed for" 2402 " 8-bit constants")); 2403 return 0; 2404 } 2405 } 2406 else 2407 { 2408 if (shift != 0 && shift != 8) 2409 { 2410 set_other_error (mismatch_detail, idx, 2411 _("shift amount must be 0 or 8")); 2412 return 0; 2413 } 2414 if (shift == 0 && (uvalue & 0xff) == 0) 2415 { 2416 shift = 8; 2417 uvalue = (int64_t) uvalue / 256; 2418 } 2419 } 2420 mask >>= shift; 2421 if ((uvalue & mask) != uvalue && (uvalue | ~mask) != uvalue) 2422 { 2423 set_other_error (mismatch_detail, idx, 2424 _("immediate too big for element size")); 2425 return 0; 2426 } 2427 uvalue = (uvalue - min_value) & mask; 2428 if (uvalue > 0xff) 2429 { 2430 set_other_error (mismatch_detail, idx, 2431 _("invalid arithmetic immediate")); 2432 return 0; 2433 } 2434 break; 2435 2436 case AARCH64_OPND_SVE_ASIMM: 2437 min_value = -128; 2438 goto sve_aimm; 2439 2440 case AARCH64_OPND_SVE_I1_HALF_ONE: 2441 assert (opnd->imm.is_fp); 2442 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x3f800000) 2443 { 2444 set_other_error (mismatch_detail, idx, 2445 _("floating-point value must be 0.5 or 1.0")); 2446 return 0; 2447 } 2448 break; 2449 2450 case AARCH64_OPND_SVE_I1_HALF_TWO: 2451 assert (opnd->imm.is_fp); 2452 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x40000000) 2453 { 2454 set_other_error (mismatch_detail, idx, 2455 _("floating-point value must be 0.5 or 2.0")); 2456 return 0; 2457 } 2458 break; 2459 2460 case AARCH64_OPND_SVE_I1_ZERO_ONE: 2461 assert (opnd->imm.is_fp); 2462 if (opnd->imm.value != 0 && opnd->imm.value != 0x3f800000) 2463 { 2464 set_other_error (mismatch_detail, idx, 2465 _("floating-point value must be 0.0 or 1.0")); 2466 return 0; 2467 } 2468 break; 2469 2470 case AARCH64_OPND_SVE_INV_LIMM: 2471 { 2472 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier); 2473 uint64_t uimm = ~opnd->imm.value; 2474 if (!aarch64_logical_immediate_p (uimm, esize, NULL)) 2475 { 2476 set_other_error (mismatch_detail, idx, 2477 _("immediate out of range")); 2478 return 0; 2479 } 2480 } 2481 break; 2482 2483 case AARCH64_OPND_SVE_LIMM_MOV: 2484 { 2485 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier); 2486 uint64_t uimm = opnd->imm.value; 2487 if (!aarch64_logical_immediate_p (uimm, esize, NULL)) 2488 { 2489 set_other_error (mismatch_detail, idx, 2490 _("immediate out of range")); 2491 return 0; 2492 } 2493 if (!aarch64_sve_dupm_mov_immediate_p (uimm, esize)) 2494 { 2495 set_other_error (mismatch_detail, idx, 2496 _("invalid replicated MOV immediate")); 2497 return 0; 2498 } 2499 } 2500 break; 2501 2502 case AARCH64_OPND_SVE_PATTERN_SCALED: 2503 assert (opnd->shifter.kind == AARCH64_MOD_MUL); 2504 if (!value_in_range_p (opnd->shifter.amount, 1, 16)) 2505 { 2506 set_multiplier_out_of_range_error (mismatch_detail, idx, 1, 16); 2507 return 0; 2508 } 2509 break; 2510 2511 case AARCH64_OPND_SVE_SHLIMM_PRED: 2512 case AARCH64_OPND_SVE_SHLIMM_UNPRED: 2513 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier); 2514 if (!value_in_range_p (opnd->imm.value, 0, 8 * size - 1)) 2515 { 2516 set_imm_out_of_range_error (mismatch_detail, idx, 2517 0, 8 * size - 1); 2518 return 0; 2519 } 2520 break; 2521 2522 case AARCH64_OPND_SVE_SHRIMM_PRED: 2523 case AARCH64_OPND_SVE_SHRIMM_UNPRED: 2524 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier); 2525 if (!value_in_range_p (opnd->imm.value, 1, 8 * size)) 2526 { 2527 set_imm_out_of_range_error (mismatch_detail, idx, 1, 8 * size); 2528 return 0; 2529 } 2530 break; 2531 2532 default: 2533 break; 2534 } 2535 break; 2536 2537 case AARCH64_OPND_CLASS_SYSTEM: 2538 switch (type) 2539 { 2540 case AARCH64_OPND_PSTATEFIELD: 2541 assert (idx == 0 && opnds[1].type == AARCH64_OPND_UIMM4); 2542 /* MSR UAO, #uimm4 2543 MSR PAN, #uimm4 2544 MSR SSBS,#uimm4 2545 The immediate must be #0 or #1. */ 2546 if ((opnd->pstatefield == 0x03 /* UAO. */ 2547 || opnd->pstatefield == 0x04 /* PAN. */ 2548 || opnd->pstatefield == 0x19 /* SSBS. */ 2549 || opnd->pstatefield == 0x1a) /* DIT. */ 2550 && opnds[1].imm.value > 1) 2551 { 2552 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1); 2553 return 0; 2554 } 2555 /* MSR SPSel, #uimm4 2556 Uses uimm4 as a control value to select the stack pointer: if 2557 bit 0 is set it selects the current exception level's stack 2558 pointer, if bit 0 is clear it selects shared EL0 stack pointer. 2559 Bits 1 to 3 of uimm4 are reserved and should be zero. */ 2560 if (opnd->pstatefield == 0x05 /* spsel */ && opnds[1].imm.value > 1) 2561 { 2562 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1); 2563 return 0; 2564 } 2565 break; 2566 default: 2567 break; 2568 } 2569 break; 2570 2571 case AARCH64_OPND_CLASS_SIMD_ELEMENT: 2572 /* Get the upper bound for the element index. */ 2573 if (opcode->op == OP_FCMLA_ELEM) 2574 /* FCMLA index range depends on the vector size of other operands 2575 and is halfed because complex numbers take two elements. */ 2576 num = aarch64_get_qualifier_nelem (opnds[0].qualifier) 2577 * aarch64_get_qualifier_esize (opnds[0].qualifier) / 2; 2578 else 2579 num = 16; 2580 num = num / aarch64_get_qualifier_esize (qualifier) - 1; 2581 assert (aarch64_get_qualifier_nelem (qualifier) == 1); 2582 2583 /* Index out-of-range. */ 2584 if (!value_in_range_p (opnd->reglane.index, 0, num)) 2585 { 2586 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num); 2587 return 0; 2588 } 2589 /* SMLAL<Q> <Vd>.<Ta>, <Vn>.<Tb>, <Vm>.<Ts>[<index>]. 2590 <Vm> Is the vector register (V0-V31) or (V0-V15), whose 2591 number is encoded in "size:M:Rm": 2592 size <Vm> 2593 00 RESERVED 2594 01 0:Rm 2595 10 M:Rm 2596 11 RESERVED */ 2597 if (type == AARCH64_OPND_Em16 && qualifier == AARCH64_OPND_QLF_S_H 2598 && !value_in_range_p (opnd->reglane.regno, 0, 15)) 2599 { 2600 set_regno_out_of_range_error (mismatch_detail, idx, 0, 15); 2601 return 0; 2602 } 2603 break; 2604 2605 case AARCH64_OPND_CLASS_MODIFIED_REG: 2606 assert (idx == 1 || idx == 2); 2607 switch (type) 2608 { 2609 case AARCH64_OPND_Rm_EXT: 2610 if (!aarch64_extend_operator_p (opnd->shifter.kind) 2611 && opnd->shifter.kind != AARCH64_MOD_LSL) 2612 { 2613 set_other_error (mismatch_detail, idx, 2614 _("extend operator expected")); 2615 return 0; 2616 } 2617 /* It is not optional unless at least one of "Rd" or "Rn" is '11111' 2618 (i.e. SP), in which case it defaults to LSL. The LSL alias is 2619 only valid when "Rd" or "Rn" is '11111', and is preferred in that 2620 case. */ 2621 if (!aarch64_stack_pointer_p (opnds + 0) 2622 && (idx != 2 || !aarch64_stack_pointer_p (opnds + 1))) 2623 { 2624 if (!opnd->shifter.operator_present) 2625 { 2626 set_other_error (mismatch_detail, idx, 2627 _("missing extend operator")); 2628 return 0; 2629 } 2630 else if (opnd->shifter.kind == AARCH64_MOD_LSL) 2631 { 2632 set_other_error (mismatch_detail, idx, 2633 _("'LSL' operator not allowed")); 2634 return 0; 2635 } 2636 } 2637 assert (opnd->shifter.operator_present /* Default to LSL. */ 2638 || opnd->shifter.kind == AARCH64_MOD_LSL); 2639 if (!value_in_range_p (opnd->shifter.amount, 0, 4)) 2640 { 2641 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 4); 2642 return 0; 2643 } 2644 /* In the 64-bit form, the final register operand is written as Wm 2645 for all but the (possibly omitted) UXTX/LSL and SXTX 2646 operators. 2647 N.B. GAS allows X register to be used with any operator as a 2648 programming convenience. */ 2649 if (qualifier == AARCH64_OPND_QLF_X 2650 && opnd->shifter.kind != AARCH64_MOD_LSL 2651 && opnd->shifter.kind != AARCH64_MOD_UXTX 2652 && opnd->shifter.kind != AARCH64_MOD_SXTX) 2653 { 2654 set_other_error (mismatch_detail, idx, _("W register expected")); 2655 return 0; 2656 } 2657 break; 2658 2659 case AARCH64_OPND_Rm_SFT: 2660 /* ROR is not available to the shifted register operand in 2661 arithmetic instructions. */ 2662 if (!aarch64_shift_operator_p (opnd->shifter.kind)) 2663 { 2664 set_other_error (mismatch_detail, idx, 2665 _("shift operator expected")); 2666 return 0; 2667 } 2668 if (opnd->shifter.kind == AARCH64_MOD_ROR 2669 && opcode->iclass != log_shift) 2670 { 2671 set_other_error (mismatch_detail, idx, 2672 _("'ROR' operator not allowed")); 2673 return 0; 2674 } 2675 num = qualifier == AARCH64_OPND_QLF_W ? 31 : 63; 2676 if (!value_in_range_p (opnd->shifter.amount, 0, num)) 2677 { 2678 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, num); 2679 return 0; 2680 } 2681 break; 2682 2683 default: 2684 break; 2685 } 2686 break; 2687 2688 default: 2689 break; 2690 } 2691 2692 return 1; 2693 } 2694 2695 /* Main entrypoint for the operand constraint checking. 2696 2697 Return 1 if operands of *INST meet the constraint applied by the operand 2698 codes and operand qualifiers; otherwise return 0 and if MISMATCH_DETAIL is 2699 not NULL, return the detail of the error in *MISMATCH_DETAIL. N.B. when 2700 adding more constraint checking, make sure MISMATCH_DETAIL->KIND is set 2701 with a proper error kind rather than AARCH64_OPDE_NIL (GAS asserts non-NIL 2702 error kind when it is notified that an instruction does not pass the check). 2703 2704 Un-determined operand qualifiers may get established during the process. */ 2705 2706 int 2707 aarch64_match_operands_constraint (aarch64_inst *inst, 2708 aarch64_operand_error *mismatch_detail) 2709 { 2710 int i; 2711 2712 DEBUG_TRACE ("enter"); 2713 2714 /* Check for cases where a source register needs to be the same as the 2715 destination register. Do this before matching qualifiers since if 2716 an instruction has both invalid tying and invalid qualifiers, 2717 the error about qualifiers would suggest several alternative 2718 instructions that also have invalid tying. */ 2719 i = inst->opcode->tied_operand; 2720 if (i > 0 && (inst->operands[0].reg.regno != inst->operands[i].reg.regno)) 2721 { 2722 if (mismatch_detail) 2723 { 2724 mismatch_detail->kind = AARCH64_OPDE_UNTIED_OPERAND; 2725 mismatch_detail->index = i; 2726 mismatch_detail->error = NULL; 2727 } 2728 return 0; 2729 } 2730 2731 /* Match operands' qualifier. 2732 *INST has already had qualifier establish for some, if not all, of 2733 its operands; we need to find out whether these established 2734 qualifiers match one of the qualifier sequence in 2735 INST->OPCODE->QUALIFIERS_LIST. If yes, we will assign each operand 2736 with the corresponding qualifier in such a sequence. 2737 Only basic operand constraint checking is done here; the more thorough 2738 constraint checking will carried out by operand_general_constraint_met_p, 2739 which has be to called after this in order to get all of the operands' 2740 qualifiers established. */ 2741 if (match_operands_qualifier (inst, TRUE /* update_p */) == 0) 2742 { 2743 DEBUG_TRACE ("FAIL on operand qualifier matching"); 2744 if (mismatch_detail) 2745 { 2746 /* Return an error type to indicate that it is the qualifier 2747 matching failure; we don't care about which operand as there 2748 are enough information in the opcode table to reproduce it. */ 2749 mismatch_detail->kind = AARCH64_OPDE_INVALID_VARIANT; 2750 mismatch_detail->index = -1; 2751 mismatch_detail->error = NULL; 2752 } 2753 return 0; 2754 } 2755 2756 /* Match operands' constraint. */ 2757 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i) 2758 { 2759 enum aarch64_opnd type = inst->opcode->operands[i]; 2760 if (type == AARCH64_OPND_NIL) 2761 break; 2762 if (inst->operands[i].skip) 2763 { 2764 DEBUG_TRACE ("skip the incomplete operand %d", i); 2765 continue; 2766 } 2767 if (operand_general_constraint_met_p (inst->operands, i, type, 2768 inst->opcode, mismatch_detail) == 0) 2769 { 2770 DEBUG_TRACE ("FAIL on operand %d", i); 2771 return 0; 2772 } 2773 } 2774 2775 DEBUG_TRACE ("PASS"); 2776 2777 return 1; 2778 } 2779 2780 /* Replace INST->OPCODE with OPCODE and return the replaced OPCODE. 2781 Also updates the TYPE of each INST->OPERANDS with the corresponding 2782 value of OPCODE->OPERANDS. 2783 2784 Note that some operand qualifiers may need to be manually cleared by 2785 the caller before it further calls the aarch64_opcode_encode; by 2786 doing this, it helps the qualifier matching facilities work 2787 properly. */ 2788 2789 const aarch64_opcode* 2790 aarch64_replace_opcode (aarch64_inst *inst, const aarch64_opcode *opcode) 2791 { 2792 int i; 2793 const aarch64_opcode *old = inst->opcode; 2794 2795 inst->opcode = opcode; 2796 2797 /* Update the operand types. */ 2798 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i) 2799 { 2800 inst->operands[i].type = opcode->operands[i]; 2801 if (opcode->operands[i] == AARCH64_OPND_NIL) 2802 break; 2803 } 2804 2805 DEBUG_TRACE ("replace %s with %s", old->name, opcode->name); 2806 2807 return old; 2808 } 2809 2810 int 2811 aarch64_operand_index (const enum aarch64_opnd *operands, enum aarch64_opnd operand) 2812 { 2813 int i; 2814 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i) 2815 if (operands[i] == operand) 2816 return i; 2817 else if (operands[i] == AARCH64_OPND_NIL) 2818 break; 2819 return -1; 2820 } 2821 2822 /* R0...R30, followed by FOR31. */ 2823 #define BANK(R, FOR31) \ 2824 { R (0), R (1), R (2), R (3), R (4), R (5), R (6), R (7), \ 2825 R (8), R (9), R (10), R (11), R (12), R (13), R (14), R (15), \ 2826 R (16), R (17), R (18), R (19), R (20), R (21), R (22), R (23), \ 2827 R (24), R (25), R (26), R (27), R (28), R (29), R (30), FOR31 } 2828 /* [0][0] 32-bit integer regs with sp Wn 2829 [0][1] 64-bit integer regs with sp Xn sf=1 2830 [1][0] 32-bit integer regs with #0 Wn 2831 [1][1] 64-bit integer regs with #0 Xn sf=1 */ 2832 static const char *int_reg[2][2][32] = { 2833 #define R32(X) "w" #X 2834 #define R64(X) "x" #X 2835 { BANK (R32, "wsp"), BANK (R64, "sp") }, 2836 { BANK (R32, "wzr"), BANK (R64, "xzr") } 2837 #undef R64 2838 #undef R32 2839 }; 2840 2841 /* Names of the SVE vector registers, first with .S suffixes, 2842 then with .D suffixes. */ 2843 2844 static const char *sve_reg[2][32] = { 2845 #define ZS(X) "z" #X ".s" 2846 #define ZD(X) "z" #X ".d" 2847 BANK (ZS, ZS (31)), BANK (ZD, ZD (31)) 2848 #undef ZD 2849 #undef ZS 2850 }; 2851 #undef BANK 2852 2853 /* Return the integer register name. 2854 if SP_REG_P is not 0, R31 is an SP reg, other R31 is the zero reg. */ 2855 2856 static inline const char * 2857 get_int_reg_name (int regno, aarch64_opnd_qualifier_t qualifier, int sp_reg_p) 2858 { 2859 const int has_zr = sp_reg_p ? 0 : 1; 2860 const int is_64 = aarch64_get_qualifier_esize (qualifier) == 4 ? 0 : 1; 2861 return int_reg[has_zr][is_64][regno]; 2862 } 2863 2864 /* Like get_int_reg_name, but IS_64 is always 1. */ 2865 2866 static inline const char * 2867 get_64bit_int_reg_name (int regno, int sp_reg_p) 2868 { 2869 const int has_zr = sp_reg_p ? 0 : 1; 2870 return int_reg[has_zr][1][regno]; 2871 } 2872 2873 /* Get the name of the integer offset register in OPND, using the shift type 2874 to decide whether it's a word or doubleword. */ 2875 2876 static inline const char * 2877 get_offset_int_reg_name (const aarch64_opnd_info *opnd) 2878 { 2879 switch (opnd->shifter.kind) 2880 { 2881 case AARCH64_MOD_UXTW: 2882 case AARCH64_MOD_SXTW: 2883 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_W, 0); 2884 2885 case AARCH64_MOD_LSL: 2886 case AARCH64_MOD_SXTX: 2887 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_X, 0); 2888 2889 default: 2890 abort (); 2891 } 2892 } 2893 2894 /* Get the name of the SVE vector offset register in OPND, using the operand 2895 qualifier to decide whether the suffix should be .S or .D. */ 2896 2897 static inline const char * 2898 get_addr_sve_reg_name (int regno, aarch64_opnd_qualifier_t qualifier) 2899 { 2900 assert (qualifier == AARCH64_OPND_QLF_S_S 2901 || qualifier == AARCH64_OPND_QLF_S_D); 2902 return sve_reg[qualifier == AARCH64_OPND_QLF_S_D][regno]; 2903 } 2904 2905 /* Types for expanding an encoded 8-bit value to a floating-point value. */ 2906 2907 typedef union 2908 { 2909 uint64_t i; 2910 double d; 2911 } double_conv_t; 2912 2913 typedef union 2914 { 2915 uint32_t i; 2916 float f; 2917 } single_conv_t; 2918 2919 typedef union 2920 { 2921 uint32_t i; 2922 float f; 2923 } half_conv_t; 2924 2925 /* IMM8 is an 8-bit floating-point constant with sign, 3-bit exponent and 2926 normalized 4 bits of precision, encoded in "a:b:c:d:e:f:g:h" or FLD_imm8 2927 (depending on the type of the instruction). IMM8 will be expanded to a 2928 single-precision floating-point value (SIZE == 4) or a double-precision 2929 floating-point value (SIZE == 8). A half-precision floating-point value 2930 (SIZE == 2) is expanded to a single-precision floating-point value. The 2931 expanded value is returned. */ 2932 2933 static uint64_t 2934 expand_fp_imm (int size, uint32_t imm8) 2935 { 2936 uint64_t imm = 0; 2937 uint32_t imm8_7, imm8_6_0, imm8_6, imm8_6_repl4; 2938 2939 imm8_7 = (imm8 >> 7) & 0x01; /* imm8<7> */ 2940 imm8_6_0 = imm8 & 0x7f; /* imm8<6:0> */ 2941 imm8_6 = imm8_6_0 >> 6; /* imm8<6> */ 2942 imm8_6_repl4 = (imm8_6 << 3) | (imm8_6 << 2) 2943 | (imm8_6 << 1) | imm8_6; /* Replicate(imm8<6>,4) */ 2944 if (size == 8) 2945 { 2946 imm = (imm8_7 << (63-32)) /* imm8<7> */ 2947 | ((imm8_6 ^ 1) << (62-32)) /* NOT(imm8<6) */ 2948 | (imm8_6_repl4 << (58-32)) | (imm8_6 << (57-32)) 2949 | (imm8_6 << (56-32)) | (imm8_6 << (55-32)) /* Replicate(imm8<6>,7) */ 2950 | (imm8_6_0 << (48-32)); /* imm8<6>:imm8<5:0> */ 2951 imm <<= 32; 2952 } 2953 else if (size == 4 || size == 2) 2954 { 2955 imm = (imm8_7 << 31) /* imm8<7> */ 2956 | ((imm8_6 ^ 1) << 30) /* NOT(imm8<6>) */ 2957 | (imm8_6_repl4 << 26) /* Replicate(imm8<6>,4) */ 2958 | (imm8_6_0 << 19); /* imm8<6>:imm8<5:0> */ 2959 } 2960 else 2961 { 2962 /* An unsupported size. */ 2963 assert (0); 2964 } 2965 2966 return imm; 2967 } 2968 2969 /* Produce the string representation of the register list operand *OPND 2970 in the buffer pointed by BUF of size SIZE. PREFIX is the part of 2971 the register name that comes before the register number, such as "v". */ 2972 static void 2973 print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd, 2974 const char *prefix) 2975 { 2976 const int num_regs = opnd->reglist.num_regs; 2977 const int first_reg = opnd->reglist.first_regno; 2978 const int last_reg = (first_reg + num_regs - 1) & 0x1f; 2979 const char *qlf_name = aarch64_get_qualifier_name (opnd->qualifier); 2980 char tb[8]; /* Temporary buffer. */ 2981 2982 assert (opnd->type != AARCH64_OPND_LEt || opnd->reglist.has_index); 2983 assert (num_regs >= 1 && num_regs <= 4); 2984 2985 /* Prepare the index if any. */ 2986 if (opnd->reglist.has_index) 2987 /* PR 21096: The %100 is to silence a warning about possible truncation. */ 2988 snprintf (tb, 8, "[%" PRIi64 "]", (opnd->reglist.index % 100)); 2989 else 2990 tb[0] = '\0'; 2991 2992 /* The hyphenated form is preferred for disassembly if there are 2993 more than two registers in the list, and the register numbers 2994 are monotonically increasing in increments of one. */ 2995 if (num_regs > 2 && last_reg > first_reg) 2996 snprintf (buf, size, "{%s%d.%s-%s%d.%s}%s", prefix, first_reg, qlf_name, 2997 prefix, last_reg, qlf_name, tb); 2998 else 2999 { 3000 const int reg0 = first_reg; 3001 const int reg1 = (first_reg + 1) & 0x1f; 3002 const int reg2 = (first_reg + 2) & 0x1f; 3003 const int reg3 = (first_reg + 3) & 0x1f; 3004 3005 switch (num_regs) 3006 { 3007 case 1: 3008 snprintf (buf, size, "{%s%d.%s}%s", prefix, reg0, qlf_name, tb); 3009 break; 3010 case 2: 3011 snprintf (buf, size, "{%s%d.%s, %s%d.%s}%s", prefix, reg0, qlf_name, 3012 prefix, reg1, qlf_name, tb); 3013 break; 3014 case 3: 3015 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s}%s", 3016 prefix, reg0, qlf_name, prefix, reg1, qlf_name, 3017 prefix, reg2, qlf_name, tb); 3018 break; 3019 case 4: 3020 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s, %s%d.%s}%s", 3021 prefix, reg0, qlf_name, prefix, reg1, qlf_name, 3022 prefix, reg2, qlf_name, prefix, reg3, qlf_name, tb); 3023 break; 3024 } 3025 } 3026 } 3027 3028 /* Print the register+immediate address in OPND to BUF, which has SIZE 3029 characters. BASE is the name of the base register. */ 3030 3031 static void 3032 print_immediate_offset_address (char *buf, size_t size, 3033 const aarch64_opnd_info *opnd, 3034 const char *base) 3035 { 3036 if (opnd->addr.writeback) 3037 { 3038 if (opnd->addr.preind) 3039 snprintf (buf, size, "[%s, #%d]!", base, opnd->addr.offset.imm); 3040 else 3041 snprintf (buf, size, "[%s], #%d", base, opnd->addr.offset.imm); 3042 } 3043 else 3044 { 3045 if (opnd->shifter.operator_present) 3046 { 3047 assert (opnd->shifter.kind == AARCH64_MOD_MUL_VL); 3048 snprintf (buf, size, "[%s, #%d, mul vl]", 3049 base, opnd->addr.offset.imm); 3050 } 3051 else if (opnd->addr.offset.imm) 3052 snprintf (buf, size, "[%s, #%d]", base, opnd->addr.offset.imm); 3053 else 3054 snprintf (buf, size, "[%s]", base); 3055 } 3056 } 3057 3058 /* Produce the string representation of the register offset address operand 3059 *OPND in the buffer pointed by BUF of size SIZE. BASE and OFFSET are 3060 the names of the base and offset registers. */ 3061 static void 3062 print_register_offset_address (char *buf, size_t size, 3063 const aarch64_opnd_info *opnd, 3064 const char *base, const char *offset) 3065 { 3066 char tb[16]; /* Temporary buffer. */ 3067 bfd_boolean print_extend_p = TRUE; 3068 bfd_boolean print_amount_p = TRUE; 3069 const char *shift_name = aarch64_operand_modifiers[opnd->shifter.kind].name; 3070 3071 if (!opnd->shifter.amount && (opnd->qualifier != AARCH64_OPND_QLF_S_B 3072 || !opnd->shifter.amount_present)) 3073 { 3074 /* Not print the shift/extend amount when the amount is zero and 3075 when it is not the special case of 8-bit load/store instruction. */ 3076 print_amount_p = FALSE; 3077 /* Likewise, no need to print the shift operator LSL in such a 3078 situation. */ 3079 if (opnd->shifter.kind == AARCH64_MOD_LSL) 3080 print_extend_p = FALSE; 3081 } 3082 3083 /* Prepare for the extend/shift. */ 3084 if (print_extend_p) 3085 { 3086 if (print_amount_p) 3087 snprintf (tb, sizeof (tb), ", %s #%" PRIi64, shift_name, 3088 /* PR 21096: The %100 is to silence a warning about possible truncation. */ 3089 (opnd->shifter.amount % 100)); 3090 else 3091 snprintf (tb, sizeof (tb), ", %s", shift_name); 3092 } 3093 else 3094 tb[0] = '\0'; 3095 3096 snprintf (buf, size, "[%s, %s%s]", base, offset, tb); 3097 } 3098 3099 /* Generate the string representation of the operand OPNDS[IDX] for OPCODE 3100 in *BUF. The caller should pass in the maximum size of *BUF in SIZE. 3101 PC, PCREL_P and ADDRESS are used to pass in and return information about 3102 the PC-relative address calculation, where the PC value is passed in 3103 PC. If the operand is pc-relative related, *PCREL_P (if PCREL_P non-NULL) 3104 will return 1 and *ADDRESS (if ADDRESS non-NULL) will return the 3105 calculated address; otherwise, *PCREL_P (if PCREL_P non-NULL) returns 0. 3106 3107 The function serves both the disassembler and the assembler diagnostics 3108 issuer, which is the reason why it lives in this file. */ 3109 3110 void 3111 aarch64_print_operand (char *buf, size_t size, bfd_vma pc, 3112 const aarch64_opcode *opcode, 3113 const aarch64_opnd_info *opnds, int idx, int *pcrel_p, 3114 bfd_vma *address, char** notes) 3115 { 3116 unsigned int i, num_conds; 3117 const char *name = NULL; 3118 const aarch64_opnd_info *opnd = opnds + idx; 3119 enum aarch64_modifier_kind kind; 3120 uint64_t addr, enum_value; 3121 3122 buf[0] = '\0'; 3123 if (pcrel_p) 3124 *pcrel_p = 0; 3125 3126 switch (opnd->type) 3127 { 3128 case AARCH64_OPND_Rd: 3129 case AARCH64_OPND_Rn: 3130 case AARCH64_OPND_Rm: 3131 case AARCH64_OPND_Rt: 3132 case AARCH64_OPND_Rt2: 3133 case AARCH64_OPND_Rs: 3134 case AARCH64_OPND_Ra: 3135 case AARCH64_OPND_Rt_SYS: 3136 case AARCH64_OPND_PAIRREG: 3137 case AARCH64_OPND_SVE_Rm: 3138 /* The optional-ness of <Xt> in e.g. IC <ic_op>{, <Xt>} is determined by 3139 the <ic_op>, therefore we use opnd->present to override the 3140 generic optional-ness information. */ 3141 if (opnd->type == AARCH64_OPND_Rt_SYS) 3142 { 3143 if (!opnd->present) 3144 break; 3145 } 3146 /* Omit the operand, e.g. RET. */ 3147 else if (optional_operand_p (opcode, idx) 3148 && (opnd->reg.regno 3149 == get_optional_operand_default_value (opcode))) 3150 break; 3151 assert (opnd->qualifier == AARCH64_OPND_QLF_W 3152 || opnd->qualifier == AARCH64_OPND_QLF_X); 3153 snprintf (buf, size, "%s", 3154 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0)); 3155 break; 3156 3157 case AARCH64_OPND_Rd_SP: 3158 case AARCH64_OPND_Rn_SP: 3159 case AARCH64_OPND_SVE_Rn_SP: 3160 case AARCH64_OPND_Rm_SP: 3161 assert (opnd->qualifier == AARCH64_OPND_QLF_W 3162 || opnd->qualifier == AARCH64_OPND_QLF_WSP 3163 || opnd->qualifier == AARCH64_OPND_QLF_X 3164 || opnd->qualifier == AARCH64_OPND_QLF_SP); 3165 snprintf (buf, size, "%s", 3166 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 1)); 3167 break; 3168 3169 case AARCH64_OPND_Rm_EXT: 3170 kind = opnd->shifter.kind; 3171 assert (idx == 1 || idx == 2); 3172 if ((aarch64_stack_pointer_p (opnds) 3173 || (idx == 2 && aarch64_stack_pointer_p (opnds + 1))) 3174 && ((opnd->qualifier == AARCH64_OPND_QLF_W 3175 && opnds[0].qualifier == AARCH64_OPND_QLF_W 3176 && kind == AARCH64_MOD_UXTW) 3177 || (opnd->qualifier == AARCH64_OPND_QLF_X 3178 && kind == AARCH64_MOD_UXTX))) 3179 { 3180 /* 'LSL' is the preferred form in this case. */ 3181 kind = AARCH64_MOD_LSL; 3182 if (opnd->shifter.amount == 0) 3183 { 3184 /* Shifter omitted. */ 3185 snprintf (buf, size, "%s", 3186 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0)); 3187 break; 3188 } 3189 } 3190 if (opnd->shifter.amount) 3191 snprintf (buf, size, "%s, %s #%" PRIi64, 3192 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0), 3193 aarch64_operand_modifiers[kind].name, 3194 opnd->shifter.amount); 3195 else 3196 snprintf (buf, size, "%s, %s", 3197 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0), 3198 aarch64_operand_modifiers[kind].name); 3199 break; 3200 3201 case AARCH64_OPND_Rm_SFT: 3202 assert (opnd->qualifier == AARCH64_OPND_QLF_W 3203 || opnd->qualifier == AARCH64_OPND_QLF_X); 3204 if (opnd->shifter.amount == 0 && opnd->shifter.kind == AARCH64_MOD_LSL) 3205 snprintf (buf, size, "%s", 3206 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0)); 3207 else 3208 snprintf (buf, size, "%s, %s #%" PRIi64, 3209 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0), 3210 aarch64_operand_modifiers[opnd->shifter.kind].name, 3211 opnd->shifter.amount); 3212 break; 3213 3214 case AARCH64_OPND_Fd: 3215 case AARCH64_OPND_Fn: 3216 case AARCH64_OPND_Fm: 3217 case AARCH64_OPND_Fa: 3218 case AARCH64_OPND_Ft: 3219 case AARCH64_OPND_Ft2: 3220 case AARCH64_OPND_Sd: 3221 case AARCH64_OPND_Sn: 3222 case AARCH64_OPND_Sm: 3223 case AARCH64_OPND_SVE_VZn: 3224 case AARCH64_OPND_SVE_Vd: 3225 case AARCH64_OPND_SVE_Vm: 3226 case AARCH64_OPND_SVE_Vn: 3227 snprintf (buf, size, "%s%d", aarch64_get_qualifier_name (opnd->qualifier), 3228 opnd->reg.regno); 3229 break; 3230 3231 case AARCH64_OPND_Va: 3232 case AARCH64_OPND_Vd: 3233 case AARCH64_OPND_Vn: 3234 case AARCH64_OPND_Vm: 3235 snprintf (buf, size, "v%d.%s", opnd->reg.regno, 3236 aarch64_get_qualifier_name (opnd->qualifier)); 3237 break; 3238 3239 case AARCH64_OPND_Ed: 3240 case AARCH64_OPND_En: 3241 case AARCH64_OPND_Em: 3242 case AARCH64_OPND_Em16: 3243 case AARCH64_OPND_SM3_IMM2: 3244 snprintf (buf, size, "v%d.%s[%" PRIi64 "]", opnd->reglane.regno, 3245 aarch64_get_qualifier_name (opnd->qualifier), 3246 opnd->reglane.index); 3247 break; 3248 3249 case AARCH64_OPND_VdD1: 3250 case AARCH64_OPND_VnD1: 3251 snprintf (buf, size, "v%d.d[1]", opnd->reg.regno); 3252 break; 3253 3254 case AARCH64_OPND_LVn: 3255 case AARCH64_OPND_LVt: 3256 case AARCH64_OPND_LVt_AL: 3257 case AARCH64_OPND_LEt: 3258 print_register_list (buf, size, opnd, "v"); 3259 break; 3260 3261 case AARCH64_OPND_SVE_Pd: 3262 case AARCH64_OPND_SVE_Pg3: 3263 case AARCH64_OPND_SVE_Pg4_5: 3264 case AARCH64_OPND_SVE_Pg4_10: 3265 case AARCH64_OPND_SVE_Pg4_16: 3266 case AARCH64_OPND_SVE_Pm: 3267 case AARCH64_OPND_SVE_Pn: 3268 case AARCH64_OPND_SVE_Pt: 3269 if (opnd->qualifier == AARCH64_OPND_QLF_NIL) 3270 snprintf (buf, size, "p%d", opnd->reg.regno); 3271 else if (opnd->qualifier == AARCH64_OPND_QLF_P_Z 3272 || opnd->qualifier == AARCH64_OPND_QLF_P_M) 3273 snprintf (buf, size, "p%d/%s", opnd->reg.regno, 3274 aarch64_get_qualifier_name (opnd->qualifier)); 3275 else 3276 snprintf (buf, size, "p%d.%s", opnd->reg.regno, 3277 aarch64_get_qualifier_name (opnd->qualifier)); 3278 break; 3279 3280 case AARCH64_OPND_SVE_Za_5: 3281 case AARCH64_OPND_SVE_Za_16: 3282 case AARCH64_OPND_SVE_Zd: 3283 case AARCH64_OPND_SVE_Zm_5: 3284 case AARCH64_OPND_SVE_Zm_16: 3285 case AARCH64_OPND_SVE_Zn: 3286 case AARCH64_OPND_SVE_Zt: 3287 if (opnd->qualifier == AARCH64_OPND_QLF_NIL) 3288 snprintf (buf, size, "z%d", opnd->reg.regno); 3289 else 3290 snprintf (buf, size, "z%d.%s", opnd->reg.regno, 3291 aarch64_get_qualifier_name (opnd->qualifier)); 3292 break; 3293 3294 case AARCH64_OPND_SVE_ZnxN: 3295 case AARCH64_OPND_SVE_ZtxN: 3296 print_register_list (buf, size, opnd, "z"); 3297 break; 3298 3299 case AARCH64_OPND_SVE_Zm3_INDEX: 3300 case AARCH64_OPND_SVE_Zm3_22_INDEX: 3301 case AARCH64_OPND_SVE_Zm4_INDEX: 3302 case AARCH64_OPND_SVE_Zn_INDEX: 3303 snprintf (buf, size, "z%d.%s[%" PRIi64 "]", opnd->reglane.regno, 3304 aarch64_get_qualifier_name (opnd->qualifier), 3305 opnd->reglane.index); 3306 break; 3307 3308 case AARCH64_OPND_CRn: 3309 case AARCH64_OPND_CRm: 3310 snprintf (buf, size, "C%" PRIi64, opnd->imm.value); 3311 break; 3312 3313 case AARCH64_OPND_IDX: 3314 case AARCH64_OPND_MASK: 3315 case AARCH64_OPND_IMM: 3316 case AARCH64_OPND_IMM_2: 3317 case AARCH64_OPND_WIDTH: 3318 case AARCH64_OPND_UIMM3_OP1: 3319 case AARCH64_OPND_UIMM3_OP2: 3320 case AARCH64_OPND_BIT_NUM: 3321 case AARCH64_OPND_IMM_VLSL: 3322 case AARCH64_OPND_IMM_VLSR: 3323 case AARCH64_OPND_SHLL_IMM: 3324 case AARCH64_OPND_IMM0: 3325 case AARCH64_OPND_IMMR: 3326 case AARCH64_OPND_IMMS: 3327 case AARCH64_OPND_FBITS: 3328 case AARCH64_OPND_SIMM5: 3329 case AARCH64_OPND_SVE_SHLIMM_PRED: 3330 case AARCH64_OPND_SVE_SHLIMM_UNPRED: 3331 case AARCH64_OPND_SVE_SHRIMM_PRED: 3332 case AARCH64_OPND_SVE_SHRIMM_UNPRED: 3333 case AARCH64_OPND_SVE_SIMM5: 3334 case AARCH64_OPND_SVE_SIMM5B: 3335 case AARCH64_OPND_SVE_SIMM6: 3336 case AARCH64_OPND_SVE_SIMM8: 3337 case AARCH64_OPND_SVE_UIMM3: 3338 case AARCH64_OPND_SVE_UIMM7: 3339 case AARCH64_OPND_SVE_UIMM8: 3340 case AARCH64_OPND_SVE_UIMM8_53: 3341 case AARCH64_OPND_IMM_ROT1: 3342 case AARCH64_OPND_IMM_ROT2: 3343 case AARCH64_OPND_IMM_ROT3: 3344 case AARCH64_OPND_SVE_IMM_ROT1: 3345 case AARCH64_OPND_SVE_IMM_ROT2: 3346 snprintf (buf, size, "#%" PRIi64, opnd->imm.value); 3347 break; 3348 3349 case AARCH64_OPND_SVE_I1_HALF_ONE: 3350 case AARCH64_OPND_SVE_I1_HALF_TWO: 3351 case AARCH64_OPND_SVE_I1_ZERO_ONE: 3352 { 3353 single_conv_t c; 3354 c.i = opnd->imm.value; 3355 snprintf (buf, size, "#%.1f", c.f); 3356 break; 3357 } 3358 3359 case AARCH64_OPND_SVE_PATTERN: 3360 if (optional_operand_p (opcode, idx) 3361 && opnd->imm.value == get_optional_operand_default_value (opcode)) 3362 break; 3363 enum_value = opnd->imm.value; 3364 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array)); 3365 if (aarch64_sve_pattern_array[enum_value]) 3366 snprintf (buf, size, "%s", aarch64_sve_pattern_array[enum_value]); 3367 else 3368 snprintf (buf, size, "#%" PRIi64, opnd->imm.value); 3369 break; 3370 3371 case AARCH64_OPND_SVE_PATTERN_SCALED: 3372 if (optional_operand_p (opcode, idx) 3373 && !opnd->shifter.operator_present 3374 && opnd->imm.value == get_optional_operand_default_value (opcode)) 3375 break; 3376 enum_value = opnd->imm.value; 3377 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array)); 3378 if (aarch64_sve_pattern_array[opnd->imm.value]) 3379 snprintf (buf, size, "%s", aarch64_sve_pattern_array[opnd->imm.value]); 3380 else 3381 snprintf (buf, size, "#%" PRIi64, opnd->imm.value); 3382 if (opnd->shifter.operator_present) 3383 { 3384 size_t len = strlen (buf); 3385 snprintf (buf + len, size - len, ", %s #%" PRIi64, 3386 aarch64_operand_modifiers[opnd->shifter.kind].name, 3387 opnd->shifter.amount); 3388 } 3389 break; 3390 3391 case AARCH64_OPND_SVE_PRFOP: 3392 enum_value = opnd->imm.value; 3393 assert (enum_value < ARRAY_SIZE (aarch64_sve_prfop_array)); 3394 if (aarch64_sve_prfop_array[enum_value]) 3395 snprintf (buf, size, "%s", aarch64_sve_prfop_array[enum_value]); 3396 else 3397 snprintf (buf, size, "#%" PRIi64, opnd->imm.value); 3398 break; 3399 3400 case AARCH64_OPND_IMM_MOV: 3401 switch (aarch64_get_qualifier_esize (opnds[0].qualifier)) 3402 { 3403 case 4: /* e.g. MOV Wd, #<imm32>. */ 3404 { 3405 int imm32 = opnd->imm.value; 3406 snprintf (buf, size, "#0x%-20x\t// #%d", imm32, imm32); 3407 } 3408 break; 3409 case 8: /* e.g. MOV Xd, #<imm64>. */ 3410 snprintf (buf, size, "#0x%-20" PRIx64 "\t// #%" PRIi64, 3411 opnd->imm.value, opnd->imm.value); 3412 break; 3413 default: assert (0); 3414 } 3415 break; 3416 3417 case AARCH64_OPND_FPIMM0: 3418 snprintf (buf, size, "#0.0"); 3419 break; 3420 3421 case AARCH64_OPND_LIMM: 3422 case AARCH64_OPND_AIMM: 3423 case AARCH64_OPND_HALF: 3424 case AARCH64_OPND_SVE_INV_LIMM: 3425 case AARCH64_OPND_SVE_LIMM: 3426 case AARCH64_OPND_SVE_LIMM_MOV: 3427 if (opnd->shifter.amount) 3428 snprintf (buf, size, "#0x%" PRIx64 ", lsl #%" PRIi64, opnd->imm.value, 3429 opnd->shifter.amount); 3430 else 3431 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value); 3432 break; 3433 3434 case AARCH64_OPND_SIMD_IMM: 3435 case AARCH64_OPND_SIMD_IMM_SFT: 3436 if ((! opnd->shifter.amount && opnd->shifter.kind == AARCH64_MOD_LSL) 3437 || opnd->shifter.kind == AARCH64_MOD_NONE) 3438 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value); 3439 else 3440 snprintf (buf, size, "#0x%" PRIx64 ", %s #%" PRIi64, opnd->imm.value, 3441 aarch64_operand_modifiers[opnd->shifter.kind].name, 3442 opnd->shifter.amount); 3443 break; 3444 3445 case AARCH64_OPND_SVE_AIMM: 3446 case AARCH64_OPND_SVE_ASIMM: 3447 if (opnd->shifter.amount) 3448 snprintf (buf, size, "#%" PRIi64 ", lsl #%" PRIi64, opnd->imm.value, 3449 opnd->shifter.amount); 3450 else 3451 snprintf (buf, size, "#%" PRIi64, opnd->imm.value); 3452 break; 3453 3454 case AARCH64_OPND_FPIMM: 3455 case AARCH64_OPND_SIMD_FPIMM: 3456 case AARCH64_OPND_SVE_FPIMM8: 3457 switch (aarch64_get_qualifier_esize (opnds[0].qualifier)) 3458 { 3459 case 2: /* e.g. FMOV <Hd>, #<imm>. */ 3460 { 3461 half_conv_t c; 3462 c.i = expand_fp_imm (2, opnd->imm.value); 3463 snprintf (buf, size, "#%.18e", c.f); 3464 } 3465 break; 3466 case 4: /* e.g. FMOV <Vd>.4S, #<imm>. */ 3467 { 3468 single_conv_t c; 3469 c.i = expand_fp_imm (4, opnd->imm.value); 3470 snprintf (buf, size, "#%.18e", c.f); 3471 } 3472 break; 3473 case 8: /* e.g. FMOV <Sd>, #<imm>. */ 3474 { 3475 double_conv_t c; 3476 c.i = expand_fp_imm (8, opnd->imm.value); 3477 snprintf (buf, size, "#%.18e", c.d); 3478 } 3479 break; 3480 default: assert (0); 3481 } 3482 break; 3483 3484 case AARCH64_OPND_CCMP_IMM: 3485 case AARCH64_OPND_NZCV: 3486 case AARCH64_OPND_EXCEPTION: 3487 case AARCH64_OPND_UIMM4: 3488 case AARCH64_OPND_UIMM4_ADDG: 3489 case AARCH64_OPND_UIMM7: 3490 case AARCH64_OPND_UIMM10: 3491 if (optional_operand_p (opcode, idx) == TRUE 3492 && (opnd->imm.value == 3493 (int64_t) get_optional_operand_default_value (opcode))) 3494 /* Omit the operand, e.g. DCPS1. */ 3495 break; 3496 snprintf (buf, size, "#0x%x", (unsigned int)opnd->imm.value); 3497 break; 3498 3499 case AARCH64_OPND_COND: 3500 case AARCH64_OPND_COND1: 3501 snprintf (buf, size, "%s", opnd->cond->names[0]); 3502 num_conds = ARRAY_SIZE (opnd->cond->names); 3503 for (i = 1; i < num_conds && opnd->cond->names[i]; ++i) 3504 { 3505 size_t len = strlen (buf); 3506 if (i == 1) 3507 snprintf (buf + len, size - len, " // %s = %s", 3508 opnd->cond->names[0], opnd->cond->names[i]); 3509 else 3510 snprintf (buf + len, size - len, ", %s", 3511 opnd->cond->names[i]); 3512 } 3513 break; 3514 3515 case AARCH64_OPND_ADDR_ADRP: 3516 addr = ((pc + AARCH64_PCREL_OFFSET) & ~(uint64_t)0xfff) 3517 + opnd->imm.value; 3518 if (pcrel_p) 3519 *pcrel_p = 1; 3520 if (address) 3521 *address = addr; 3522 /* This is not necessary during the disassembling, as print_address_func 3523 in the disassemble_info will take care of the printing. But some 3524 other callers may be still interested in getting the string in *STR, 3525 so here we do snprintf regardless. */ 3526 snprintf (buf, size, "#0x%" PRIx64, addr); 3527 break; 3528 3529 case AARCH64_OPND_ADDR_PCREL14: 3530 case AARCH64_OPND_ADDR_PCREL19: 3531 case AARCH64_OPND_ADDR_PCREL21: 3532 case AARCH64_OPND_ADDR_PCREL26: 3533 addr = pc + AARCH64_PCREL_OFFSET + opnd->imm.value; 3534 if (pcrel_p) 3535 *pcrel_p = 1; 3536 if (address) 3537 *address = addr; 3538 /* This is not necessary during the disassembling, as print_address_func 3539 in the disassemble_info will take care of the printing. But some 3540 other callers may be still interested in getting the string in *STR, 3541 so here we do snprintf regardless. */ 3542 snprintf (buf, size, "#0x%" PRIx64, addr); 3543 break; 3544 3545 case AARCH64_OPND_ADDR_SIMPLE: 3546 case AARCH64_OPND_SIMD_ADDR_SIMPLE: 3547 case AARCH64_OPND_SIMD_ADDR_POST: 3548 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1); 3549 if (opnd->type == AARCH64_OPND_SIMD_ADDR_POST) 3550 { 3551 if (opnd->addr.offset.is_reg) 3552 snprintf (buf, size, "[%s], x%d", name, opnd->addr.offset.regno); 3553 else 3554 snprintf (buf, size, "[%s], #%d", name, opnd->addr.offset.imm); 3555 } 3556 else 3557 snprintf (buf, size, "[%s]", name); 3558 break; 3559 3560 case AARCH64_OPND_ADDR_REGOFF: 3561 case AARCH64_OPND_SVE_ADDR_R: 3562 case AARCH64_OPND_SVE_ADDR_RR: 3563 case AARCH64_OPND_SVE_ADDR_RR_LSL1: 3564 case AARCH64_OPND_SVE_ADDR_RR_LSL2: 3565 case AARCH64_OPND_SVE_ADDR_RR_LSL3: 3566 case AARCH64_OPND_SVE_ADDR_RX: 3567 case AARCH64_OPND_SVE_ADDR_RX_LSL1: 3568 case AARCH64_OPND_SVE_ADDR_RX_LSL2: 3569 case AARCH64_OPND_SVE_ADDR_RX_LSL3: 3570 print_register_offset_address 3571 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1), 3572 get_offset_int_reg_name (opnd)); 3573 break; 3574 3575 case AARCH64_OPND_SVE_ADDR_RZ: 3576 case AARCH64_OPND_SVE_ADDR_RZ_LSL1: 3577 case AARCH64_OPND_SVE_ADDR_RZ_LSL2: 3578 case AARCH64_OPND_SVE_ADDR_RZ_LSL3: 3579 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14: 3580 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22: 3581 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14: 3582 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22: 3583 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14: 3584 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22: 3585 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14: 3586 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22: 3587 print_register_offset_address 3588 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1), 3589 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier)); 3590 break; 3591 3592 case AARCH64_OPND_ADDR_SIMM7: 3593 case AARCH64_OPND_ADDR_SIMM9: 3594 case AARCH64_OPND_ADDR_SIMM9_2: 3595 case AARCH64_OPND_ADDR_SIMM10: 3596 case AARCH64_OPND_ADDR_SIMM11: 3597 case AARCH64_OPND_ADDR_SIMM13: 3598 case AARCH64_OPND_ADDR_OFFSET: 3599 case AARCH64_OPND_SVE_ADDR_RI_S4x16: 3600 case AARCH64_OPND_SVE_ADDR_RI_S4xVL: 3601 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL: 3602 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL: 3603 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL: 3604 case AARCH64_OPND_SVE_ADDR_RI_S6xVL: 3605 case AARCH64_OPND_SVE_ADDR_RI_S9xVL: 3606 case AARCH64_OPND_SVE_ADDR_RI_U6: 3607 case AARCH64_OPND_SVE_ADDR_RI_U6x2: 3608 case AARCH64_OPND_SVE_ADDR_RI_U6x4: 3609 case AARCH64_OPND_SVE_ADDR_RI_U6x8: 3610 print_immediate_offset_address 3611 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1)); 3612 break; 3613 3614 case AARCH64_OPND_SVE_ADDR_ZI_U5: 3615 case AARCH64_OPND_SVE_ADDR_ZI_U5x2: 3616 case AARCH64_OPND_SVE_ADDR_ZI_U5x4: 3617 case AARCH64_OPND_SVE_ADDR_ZI_U5x8: 3618 print_immediate_offset_address 3619 (buf, size, opnd, 3620 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier)); 3621 break; 3622 3623 case AARCH64_OPND_SVE_ADDR_ZZ_LSL: 3624 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW: 3625 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW: 3626 print_register_offset_address 3627 (buf, size, opnd, 3628 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier), 3629 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier)); 3630 break; 3631 3632 case AARCH64_OPND_ADDR_UIMM12: 3633 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1); 3634 if (opnd->addr.offset.imm) 3635 snprintf (buf, size, "[%s, #%d]", name, opnd->addr.offset.imm); 3636 else 3637 snprintf (buf, size, "[%s]", name); 3638 break; 3639 3640 case AARCH64_OPND_SYSREG: 3641 for (i = 0; aarch64_sys_regs[i].name; ++i) 3642 { 3643 bfd_boolean exact_match 3644 = (aarch64_sys_regs[i].flags & opnd->sysreg.flags) 3645 == opnd->sysreg.flags; 3646 3647 /* Try and find an exact match, But if that fails, return the first 3648 partial match that was found. */ 3649 if (aarch64_sys_regs[i].value == opnd->sysreg.value 3650 && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i]) 3651 && (name == NULL || exact_match)) 3652 { 3653 name = aarch64_sys_regs[i].name; 3654 if (exact_match) 3655 { 3656 if (notes) 3657 *notes = NULL; 3658 break; 3659 } 3660 3661 /* If we didn't match exactly, that means the presense of a flag 3662 indicates what we didn't want for this instruction. e.g. If 3663 F_REG_READ is there, that means we were looking for a write 3664 register. See aarch64_ext_sysreg. */ 3665 if (aarch64_sys_regs[i].flags & F_REG_WRITE) 3666 *notes = _("reading from a write-only register"); 3667 else if (aarch64_sys_regs[i].flags & F_REG_READ) 3668 *notes = _("writing to a read-only register"); 3669 } 3670 } 3671 3672 if (name) 3673 snprintf (buf, size, "%s", name); 3674 else 3675 { 3676 /* Implementation defined system register. */ 3677 unsigned int value = opnd->sysreg.value; 3678 snprintf (buf, size, "s%u_%u_c%u_c%u_%u", (value >> 14) & 0x3, 3679 (value >> 11) & 0x7, (value >> 7) & 0xf, (value >> 3) & 0xf, 3680 value & 0x7); 3681 } 3682 break; 3683 3684 case AARCH64_OPND_PSTATEFIELD: 3685 for (i = 0; aarch64_pstatefields[i].name; ++i) 3686 if (aarch64_pstatefields[i].value == opnd->pstatefield) 3687 break; 3688 assert (aarch64_pstatefields[i].name); 3689 snprintf (buf, size, "%s", aarch64_pstatefields[i].name); 3690 break; 3691 3692 case AARCH64_OPND_SYSREG_AT: 3693 case AARCH64_OPND_SYSREG_DC: 3694 case AARCH64_OPND_SYSREG_IC: 3695 case AARCH64_OPND_SYSREG_TLBI: 3696 case AARCH64_OPND_SYSREG_SR: 3697 snprintf (buf, size, "%s", opnd->sysins_op->name); 3698 break; 3699 3700 case AARCH64_OPND_BARRIER: 3701 snprintf (buf, size, "%s", opnd->barrier->name); 3702 break; 3703 3704 case AARCH64_OPND_BARRIER_ISB: 3705 /* Operand can be omitted, e.g. in DCPS1. */ 3706 if (! optional_operand_p (opcode, idx) 3707 || (opnd->barrier->value 3708 != get_optional_operand_default_value (opcode))) 3709 snprintf (buf, size, "#0x%x", opnd->barrier->value); 3710 break; 3711 3712 case AARCH64_OPND_PRFOP: 3713 if (opnd->prfop->name != NULL) 3714 snprintf (buf, size, "%s", opnd->prfop->name); 3715 else 3716 snprintf (buf, size, "#0x%02x", opnd->prfop->value); 3717 break; 3718 3719 case AARCH64_OPND_BARRIER_PSB: 3720 case AARCH64_OPND_BTI_TARGET: 3721 if ((HINT_FLAG (opnd->hint_option->value) & HINT_OPD_F_NOPRINT) == 0) 3722 snprintf (buf, size, "%s", opnd->hint_option->name); 3723 break; 3724 3725 default: 3726 assert (0); 3727 } 3728 } 3729 3730 #define CPENC(op0,op1,crn,crm,op2) \ 3731 ((((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) >> 5) 3732 /* for 3.9.3 Instructions for Accessing Special Purpose Registers */ 3733 #define CPEN_(op1,crm,op2) CPENC(3,(op1),4,(crm),(op2)) 3734 /* for 3.9.10 System Instructions */ 3735 #define CPENS(op1,crn,crm,op2) CPENC(1,(op1),(crn),(crm),(op2)) 3736 3737 #define C0 0 3738 #define C1 1 3739 #define C2 2 3740 #define C3 3 3741 #define C4 4 3742 #define C5 5 3743 #define C6 6 3744 #define C7 7 3745 #define C8 8 3746 #define C9 9 3747 #define C10 10 3748 #define C11 11 3749 #define C12 12 3750 #define C13 13 3751 #define C14 14 3752 #define C15 15 3753 3754 /* TODO there is one more issues need to be resolved 3755 1. handle cpu-implementation-defined system registers. */ 3756 const aarch64_sys_reg aarch64_sys_regs [] = 3757 { 3758 { "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */ 3759 { "spsr_el12", CPEN_ (5, C0, 0), F_ARCHEXT }, 3760 { "elr_el1", CPEN_(0,C0,1), 0 }, 3761 { "elr_el12", CPEN_ (5, C0, 1), F_ARCHEXT }, 3762 { "sp_el0", CPEN_(0,C1,0), 0 }, 3763 { "spsel", CPEN_(0,C2,0), 0 }, 3764 { "daif", CPEN_(3,C2,1), 0 }, 3765 { "currentel", CPEN_(0,C2,2), F_REG_READ }, /* RO */ 3766 { "pan", CPEN_(0,C2,3), F_ARCHEXT }, 3767 { "uao", CPEN_ (0, C2, 4), F_ARCHEXT }, 3768 { "nzcv", CPEN_(3,C2,0), 0 }, 3769 { "ssbs", CPEN_(3,C2,6), F_ARCHEXT }, 3770 { "fpcr", CPEN_(3,C4,0), 0 }, 3771 { "fpsr", CPEN_(3,C4,1), 0 }, 3772 { "dspsr_el0", CPEN_(3,C5,0), 0 }, 3773 { "dlr_el0", CPEN_(3,C5,1), 0 }, 3774 { "spsr_el2", CPEN_(4,C0,0), 0 }, /* = spsr_hyp */ 3775 { "elr_el2", CPEN_(4,C0,1), 0 }, 3776 { "sp_el1", CPEN_(4,C1,0), 0 }, 3777 { "spsr_irq", CPEN_(4,C3,0), 0 }, 3778 { "spsr_abt", CPEN_(4,C3,1), 0 }, 3779 { "spsr_und", CPEN_(4,C3,2), 0 }, 3780 { "spsr_fiq", CPEN_(4,C3,3), 0 }, 3781 { "spsr_el3", CPEN_(6,C0,0), 0 }, 3782 { "elr_el3", CPEN_(6,C0,1), 0 }, 3783 { "sp_el2", CPEN_(6,C1,0), 0 }, 3784 { "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */ 3785 { "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */ 3786 { "midr_el1", CPENC(3,0,C0,C0,0), F_REG_READ }, /* RO */ 3787 { "ctr_el0", CPENC(3,3,C0,C0,1), F_REG_READ }, /* RO */ 3788 { "mpidr_el1", CPENC(3,0,C0,C0,5), F_REG_READ }, /* RO */ 3789 { "revidr_el1", CPENC(3,0,C0,C0,6), F_REG_READ }, /* RO */ 3790 { "aidr_el1", CPENC(3,1,C0,C0,7), F_REG_READ }, /* RO */ 3791 { "dczid_el0", CPENC(3,3,C0,C0,7), F_REG_READ }, /* RO */ 3792 { "id_dfr0_el1", CPENC(3,0,C0,C1,2), F_REG_READ }, /* RO */ 3793 { "id_pfr0_el1", CPENC(3,0,C0,C1,0), F_REG_READ }, /* RO */ 3794 { "id_pfr1_el1", CPENC(3,0,C0,C1,1), F_REG_READ }, /* RO */ 3795 { "id_pfr2_el1", CPENC(3,0,C0,C3,4), F_ARCHEXT | F_REG_READ}, /* RO */ 3796 { "id_afr0_el1", CPENC(3,0,C0,C1,3), F_REG_READ }, /* RO */ 3797 { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), F_REG_READ }, /* RO */ 3798 { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), F_REG_READ }, /* RO */ 3799 { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), F_REG_READ }, /* RO */ 3800 { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), F_REG_READ }, /* RO */ 3801 { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), F_REG_READ }, /* RO */ 3802 { "id_isar0_el1", CPENC(3,0,C0,C2,0), F_REG_READ }, /* RO */ 3803 { "id_isar1_el1", CPENC(3,0,C0,C2,1), F_REG_READ }, /* RO */ 3804 { "id_isar2_el1", CPENC(3,0,C0,C2,2), F_REG_READ }, /* RO */ 3805 { "id_isar3_el1", CPENC(3,0,C0,C2,3), F_REG_READ }, /* RO */ 3806 { "id_isar4_el1", CPENC(3,0,C0,C2,4), F_REG_READ }, /* RO */ 3807 { "id_isar5_el1", CPENC(3,0,C0,C2,5), F_REG_READ }, /* RO */ 3808 { "mvfr0_el1", CPENC(3,0,C0,C3,0), F_REG_READ }, /* RO */ 3809 { "mvfr1_el1", CPENC(3,0,C0,C3,1), F_REG_READ }, /* RO */ 3810 { "mvfr2_el1", CPENC(3,0,C0,C3,2), F_REG_READ }, /* RO */ 3811 { "ccsidr_el1", CPENC(3,1,C0,C0,0), F_REG_READ }, /* RO */ 3812 { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), F_REG_READ }, /* RO */ 3813 { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), F_REG_READ }, /* RO */ 3814 { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), F_REG_READ }, /* RO */ 3815 { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), F_REG_READ }, /* RO */ 3816 { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), F_REG_READ }, /* RO */ 3817 { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), F_REG_READ }, /* RO */ 3818 { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), F_REG_READ }, /* RO */ 3819 { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), F_REG_READ }, /* RO */ 3820 { "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT | F_REG_READ }, /* RO */ 3821 { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), F_REG_READ }, /* RO */ 3822 { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), F_REG_READ }, /* RO */ 3823 { "id_aa64zfr0_el1", CPENC (3, 0, C0, C4, 4), F_ARCHEXT | F_REG_READ }, /* RO */ 3824 { "clidr_el1", CPENC(3,1,C0,C0,1), F_REG_READ }, /* RO */ 3825 { "csselr_el1", CPENC(3,2,C0,C0,0), 0 }, 3826 { "vpidr_el2", CPENC(3,4,C0,C0,0), 0 }, 3827 { "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 }, 3828 { "sctlr_el1", CPENC(3,0,C1,C0,0), 0 }, 3829 { "sctlr_el2", CPENC(3,4,C1,C0,0), 0 }, 3830 { "sctlr_el3", CPENC(3,6,C1,C0,0), 0 }, 3831 { "sctlr_el12", CPENC (3, 5, C1, C0, 0), F_ARCHEXT }, 3832 { "actlr_el1", CPENC(3,0,C1,C0,1), 0 }, 3833 { "actlr_el2", CPENC(3,4,C1,C0,1), 0 }, 3834 { "actlr_el3", CPENC(3,6,C1,C0,1), 0 }, 3835 { "cpacr_el1", CPENC(3,0,C1,C0,2), 0 }, 3836 { "cpacr_el12", CPENC (3, 5, C1, C0, 2), F_ARCHEXT }, 3837 { "cptr_el2", CPENC(3,4,C1,C1,2), 0 }, 3838 { "cptr_el3", CPENC(3,6,C1,C1,2), 0 }, 3839 { "scr_el3", CPENC(3,6,C1,C1,0), 0 }, 3840 { "hcr_el2", CPENC(3,4,C1,C1,0), 0 }, 3841 { "mdcr_el2", CPENC(3,4,C1,C1,1), 0 }, 3842 { "mdcr_el3", CPENC(3,6,C1,C3,1), 0 }, 3843 { "hstr_el2", CPENC(3,4,C1,C1,3), 0 }, 3844 { "hacr_el2", CPENC(3,4,C1,C1,7), 0 }, 3845 { "zcr_el1", CPENC (3, 0, C1, C2, 0), F_ARCHEXT }, 3846 { "zcr_el12", CPENC (3, 5, C1, C2, 0), F_ARCHEXT }, 3847 { "zcr_el2", CPENC (3, 4, C1, C2, 0), F_ARCHEXT }, 3848 { "zcr_el3", CPENC (3, 6, C1, C2, 0), F_ARCHEXT }, 3849 { "zidr_el1", CPENC (3, 0, C0, C0, 7), F_ARCHEXT }, 3850 { "ttbr0_el1", CPENC(3,0,C2,C0,0), 0 }, 3851 { "ttbr1_el1", CPENC(3,0,C2,C0,1), 0 }, 3852 { "ttbr0_el2", CPENC(3,4,C2,C0,0), 0 }, 3853 { "ttbr1_el2", CPENC (3, 4, C2, C0, 1), F_ARCHEXT }, 3854 { "ttbr0_el3", CPENC(3,6,C2,C0,0), 0 }, 3855 { "ttbr0_el12", CPENC (3, 5, C2, C0, 0), F_ARCHEXT }, 3856 { "ttbr1_el12", CPENC (3, 5, C2, C0, 1), F_ARCHEXT }, 3857 { "vttbr_el2", CPENC(3,4,C2,C1,0), 0 }, 3858 { "tcr_el1", CPENC(3,0,C2,C0,2), 0 }, 3859 { "tcr_el2", CPENC(3,4,C2,C0,2), 0 }, 3860 { "tcr_el3", CPENC(3,6,C2,C0,2), 0 }, 3861 { "tcr_el12", CPENC (3, 5, C2, C0, 2), F_ARCHEXT }, 3862 { "vtcr_el2", CPENC(3,4,C2,C1,2), 0 }, 3863 { "apiakeylo_el1", CPENC (3, 0, C2, C1, 0), F_ARCHEXT }, 3864 { "apiakeyhi_el1", CPENC (3, 0, C2, C1, 1), F_ARCHEXT }, 3865 { "apibkeylo_el1", CPENC (3, 0, C2, C1, 2), F_ARCHEXT }, 3866 { "apibkeyhi_el1", CPENC (3, 0, C2, C1, 3), F_ARCHEXT }, 3867 { "apdakeylo_el1", CPENC (3, 0, C2, C2, 0), F_ARCHEXT }, 3868 { "apdakeyhi_el1", CPENC (3, 0, C2, C2, 1), F_ARCHEXT }, 3869 { "apdbkeylo_el1", CPENC (3, 0, C2, C2, 2), F_ARCHEXT }, 3870 { "apdbkeyhi_el1", CPENC (3, 0, C2, C2, 3), F_ARCHEXT }, 3871 { "apgakeylo_el1", CPENC (3, 0, C2, C3, 0), F_ARCHEXT }, 3872 { "apgakeyhi_el1", CPENC (3, 0, C2, C3, 1), F_ARCHEXT }, 3873 { "afsr0_el1", CPENC(3,0,C5,C1,0), 0 }, 3874 { "afsr1_el1", CPENC(3,0,C5,C1,1), 0 }, 3875 { "afsr0_el2", CPENC(3,4,C5,C1,0), 0 }, 3876 { "afsr1_el2", CPENC(3,4,C5,C1,1), 0 }, 3877 { "afsr0_el3", CPENC(3,6,C5,C1,0), 0 }, 3878 { "afsr0_el12", CPENC (3, 5, C5, C1, 0), F_ARCHEXT }, 3879 { "afsr1_el3", CPENC(3,6,C5,C1,1), 0 }, 3880 { "afsr1_el12", CPENC (3, 5, C5, C1, 1), F_ARCHEXT }, 3881 { "esr_el1", CPENC(3,0,C5,C2,0), 0 }, 3882 { "esr_el2", CPENC(3,4,C5,C2,0), 0 }, 3883 { "esr_el3", CPENC(3,6,C5,C2,0), 0 }, 3884 { "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT }, 3885 { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT }, 3886 { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 }, 3887 { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT | F_REG_READ }, /* RO */ 3888 { "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT }, 3889 { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT | F_REG_READ }, /* RO */ 3890 { "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT }, 3891 { "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT }, 3892 { "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT }, 3893 { "erxmisc0_el1", CPENC (3, 0, C5, C5, 0), F_ARCHEXT }, 3894 { "erxmisc1_el1", CPENC (3, 0, C5, C5, 1), F_ARCHEXT }, 3895 { "far_el1", CPENC(3,0,C6,C0,0), 0 }, 3896 { "far_el2", CPENC(3,4,C6,C0,0), 0 }, 3897 { "far_el3", CPENC(3,6,C6,C0,0), 0 }, 3898 { "far_el12", CPENC (3, 5, C6, C0, 0), F_ARCHEXT }, 3899 { "hpfar_el2", CPENC(3,4,C6,C0,4), 0 }, 3900 { "par_el1", CPENC(3,0,C7,C4,0), 0 }, 3901 { "mair_el1", CPENC(3,0,C10,C2,0), 0 }, 3902 { "mair_el2", CPENC(3,4,C10,C2,0), 0 }, 3903 { "mair_el3", CPENC(3,6,C10,C2,0), 0 }, 3904 { "mair_el12", CPENC (3, 5, C10, C2, 0), F_ARCHEXT }, 3905 { "amair_el1", CPENC(3,0,C10,C3,0), 0 }, 3906 { "amair_el2", CPENC(3,4,C10,C3,0), 0 }, 3907 { "amair_el3", CPENC(3,6,C10,C3,0), 0 }, 3908 { "amair_el12", CPENC (3, 5, C10, C3, 0), F_ARCHEXT }, 3909 { "vbar_el1", CPENC(3,0,C12,C0,0), 0 }, 3910 { "vbar_el2", CPENC(3,4,C12,C0,0), 0 }, 3911 { "vbar_el3", CPENC(3,6,C12,C0,0), 0 }, 3912 { "vbar_el12", CPENC (3, 5, C12, C0, 0), F_ARCHEXT }, 3913 { "rvbar_el1", CPENC(3,0,C12,C0,1), F_REG_READ }, /* RO */ 3914 { "rvbar_el2", CPENC(3,4,C12,C0,1), F_REG_READ }, /* RO */ 3915 { "rvbar_el3", CPENC(3,6,C12,C0,1), F_REG_READ }, /* RO */ 3916 { "rmr_el1", CPENC(3,0,C12,C0,2), 0 }, 3917 { "rmr_el2", CPENC(3,4,C12,C0,2), 0 }, 3918 { "rmr_el3", CPENC(3,6,C12,C0,2), 0 }, 3919 { "isr_el1", CPENC(3,0,C12,C1,0), F_REG_READ }, /* RO */ 3920 { "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT }, 3921 { "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT }, 3922 { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 }, 3923 { "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT }, 3924 { "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT }, 3925 { "rndr", CPENC(3,3,C2,C4,0), F_ARCHEXT | F_REG_READ }, /* RO */ 3926 { "rndrrs", CPENC(3,3,C2,C4,1), F_ARCHEXT | F_REG_READ }, /* RO */ 3927 { "tco", CPENC(3,3,C4,C2,7), F_ARCHEXT }, 3928 { "tfsre0_el1", CPENC(3,0,C6,C6,1), F_ARCHEXT }, 3929 { "tfsr_el1", CPENC(3,0,C6,C5,0), F_ARCHEXT }, 3930 { "tfsr_el2", CPENC(3,4,C6,C5,0), F_ARCHEXT }, 3931 { "tfsr_el3", CPENC(3,6,C6,C6,0), F_ARCHEXT }, 3932 { "tfsr_el12", CPENC(3,5,C6,C6,0), F_ARCHEXT }, 3933 { "rgsr_el1", CPENC(3,0,C1,C0,5), F_ARCHEXT }, 3934 { "gcr_el1", CPENC(3,0,C1,C0,6), F_ARCHEXT }, 3935 { "tpidr_el0", CPENC(3,3,C13,C0,2), 0 }, 3936 { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RW */ 3937 { "tpidr_el1", CPENC(3,0,C13,C0,4), 0 }, 3938 { "tpidr_el2", CPENC(3,4,C13,C0,2), 0 }, 3939 { "tpidr_el3", CPENC(3,6,C13,C0,2), 0 }, 3940 { "scxtnum_el0", CPENC(3,3,C13,C0,7), F_ARCHEXT }, 3941 { "scxtnum_el1", CPENC(3,0,C13,C0,7), F_ARCHEXT }, 3942 { "scxtnum_el2", CPENC(3,4,C13,C0,7), F_ARCHEXT }, 3943 { "scxtnum_el12", CPENC(3,5,C13,C0,7), F_ARCHEXT }, 3944 { "scxtnum_el3", CPENC(3,6,C13,C0,7), F_ARCHEXT }, 3945 { "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */ 3946 { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RW */ 3947 { "cntpct_el0", CPENC(3,3,C14,C0,1), F_REG_READ }, /* RO */ 3948 { "cntvct_el0", CPENC(3,3,C14,C0,2), F_REG_READ }, /* RO */ 3949 { "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 }, 3950 { "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 }, 3951 { "cntkctl_el12", CPENC (3, 5, C14, C1, 0), F_ARCHEXT }, 3952 { "cnthctl_el2", CPENC(3,4,C14,C1,0), 0 }, 3953 { "cntp_tval_el0", CPENC(3,3,C14,C2,0), 0 }, 3954 { "cntp_tval_el02", CPENC (3, 5, C14, C2, 0), F_ARCHEXT }, 3955 { "cntp_ctl_el0", CPENC(3,3,C14,C2,1), 0 }, 3956 { "cntp_ctl_el02", CPENC (3, 5, C14, C2, 1), F_ARCHEXT }, 3957 { "cntp_cval_el0", CPENC(3,3,C14,C2,2), 0 }, 3958 { "cntp_cval_el02", CPENC (3, 5, C14, C2, 2), F_ARCHEXT }, 3959 { "cntv_tval_el0", CPENC(3,3,C14,C3,0), 0 }, 3960 { "cntv_tval_el02", CPENC (3, 5, C14, C3, 0), F_ARCHEXT }, 3961 { "cntv_ctl_el0", CPENC(3,3,C14,C3,1), 0 }, 3962 { "cntv_ctl_el02", CPENC (3, 5, C14, C3, 1), F_ARCHEXT }, 3963 { "cntv_cval_el0", CPENC(3,3,C14,C3,2), 0 }, 3964 { "cntv_cval_el02", CPENC (3, 5, C14, C3, 2), F_ARCHEXT }, 3965 { "cnthp_tval_el2", CPENC(3,4,C14,C2,0), 0 }, 3966 { "cnthp_ctl_el2", CPENC(3,4,C14,C2,1), 0 }, 3967 { "cnthp_cval_el2", CPENC(3,4,C14,C2,2), 0 }, 3968 { "cntps_tval_el1", CPENC(3,7,C14,C2,0), 0 }, 3969 { "cntps_ctl_el1", CPENC(3,7,C14,C2,1), 0 }, 3970 { "cntps_cval_el1", CPENC(3,7,C14,C2,2), 0 }, 3971 { "cnthv_tval_el2", CPENC (3, 4, C14, C3, 0), F_ARCHEXT }, 3972 { "cnthv_ctl_el2", CPENC (3, 4, C14, C3, 1), F_ARCHEXT }, 3973 { "cnthv_cval_el2", CPENC (3, 4, C14, C3, 2), F_ARCHEXT }, 3974 { "dacr32_el2", CPENC(3,4,C3,C0,0), 0 }, 3975 { "ifsr32_el2", CPENC(3,4,C5,C0,1), 0 }, 3976 { "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 }, 3977 { "sder32_el3", CPENC(3,6,C1,C1,1), 0 }, 3978 { "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 }, 3979 { "mdccsr_el0", CPENC(2,3,C0, C1, 0), F_REG_READ }, /* r */ 3980 { "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 }, 3981 { "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 }, 3982 { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), F_REG_READ }, /* r */ 3983 { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), F_REG_WRITE }, /* w */ 3984 { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 }, 3985 { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 }, 3986 { "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 }, 3987 { "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 }, 3988 { "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 }, 3989 { "dbgbvr1_el1", CPENC(2,0,C0, C1, 4), 0 }, 3990 { "dbgbvr2_el1", CPENC(2,0,C0, C2, 4), 0 }, 3991 { "dbgbvr3_el1", CPENC(2,0,C0, C3, 4), 0 }, 3992 { "dbgbvr4_el1", CPENC(2,0,C0, C4, 4), 0 }, 3993 { "dbgbvr5_el1", CPENC(2,0,C0, C5, 4), 0 }, 3994 { "dbgbvr6_el1", CPENC(2,0,C0, C6, 4), 0 }, 3995 { "dbgbvr7_el1", CPENC(2,0,C0, C7, 4), 0 }, 3996 { "dbgbvr8_el1", CPENC(2,0,C0, C8, 4), 0 }, 3997 { "dbgbvr9_el1", CPENC(2,0,C0, C9, 4), 0 }, 3998 { "dbgbvr10_el1", CPENC(2,0,C0, C10,4), 0 }, 3999 { "dbgbvr11_el1", CPENC(2,0,C0, C11,4), 0 }, 4000 { "dbgbvr12_el1", CPENC(2,0,C0, C12,4), 0 }, 4001 { "dbgbvr13_el1", CPENC(2,0,C0, C13,4), 0 }, 4002 { "dbgbvr14_el1", CPENC(2,0,C0, C14,4), 0 }, 4003 { "dbgbvr15_el1", CPENC(2,0,C0, C15,4), 0 }, 4004 { "dbgbcr0_el1", CPENC(2,0,C0, C0, 5), 0 }, 4005 { "dbgbcr1_el1", CPENC(2,0,C0, C1, 5), 0 }, 4006 { "dbgbcr2_el1", CPENC(2,0,C0, C2, 5), 0 }, 4007 { "dbgbcr3_el1", CPENC(2,0,C0, C3, 5), 0 }, 4008 { "dbgbcr4_el1", CPENC(2,0,C0, C4, 5), 0 }, 4009 { "dbgbcr5_el1", CPENC(2,0,C0, C5, 5), 0 }, 4010 { "dbgbcr6_el1", CPENC(2,0,C0, C6, 5), 0 }, 4011 { "dbgbcr7_el1", CPENC(2,0,C0, C7, 5), 0 }, 4012 { "dbgbcr8_el1", CPENC(2,0,C0, C8, 5), 0 }, 4013 { "dbgbcr9_el1", CPENC(2,0,C0, C9, 5), 0 }, 4014 { "dbgbcr10_el1", CPENC(2,0,C0, C10,5), 0 }, 4015 { "dbgbcr11_el1", CPENC(2,0,C0, C11,5), 0 }, 4016 { "dbgbcr12_el1", CPENC(2,0,C0, C12,5), 0 }, 4017 { "dbgbcr13_el1", CPENC(2,0,C0, C13,5), 0 }, 4018 { "dbgbcr14_el1", CPENC(2,0,C0, C14,5), 0 }, 4019 { "dbgbcr15_el1", CPENC(2,0,C0, C15,5), 0 }, 4020 { "dbgwvr0_el1", CPENC(2,0,C0, C0, 6), 0 }, 4021 { "dbgwvr1_el1", CPENC(2,0,C0, C1, 6), 0 }, 4022 { "dbgwvr2_el1", CPENC(2,0,C0, C2, 6), 0 }, 4023 { "dbgwvr3_el1", CPENC(2,0,C0, C3, 6), 0 }, 4024 { "dbgwvr4_el1", CPENC(2,0,C0, C4, 6), 0 }, 4025 { "dbgwvr5_el1", CPENC(2,0,C0, C5, 6), 0 }, 4026 { "dbgwvr6_el1", CPENC(2,0,C0, C6, 6), 0 }, 4027 { "dbgwvr7_el1", CPENC(2,0,C0, C7, 6), 0 }, 4028 { "dbgwvr8_el1", CPENC(2,0,C0, C8, 6), 0 }, 4029 { "dbgwvr9_el1", CPENC(2,0,C0, C9, 6), 0 }, 4030 { "dbgwvr10_el1", CPENC(2,0,C0, C10,6), 0 }, 4031 { "dbgwvr11_el1", CPENC(2,0,C0, C11,6), 0 }, 4032 { "dbgwvr12_el1", CPENC(2,0,C0, C12,6), 0 }, 4033 { "dbgwvr13_el1", CPENC(2,0,C0, C13,6), 0 }, 4034 { "dbgwvr14_el1", CPENC(2,0,C0, C14,6), 0 }, 4035 { "dbgwvr15_el1", CPENC(2,0,C0, C15,6), 0 }, 4036 { "dbgwcr0_el1", CPENC(2,0,C0, C0, 7), 0 }, 4037 { "dbgwcr1_el1", CPENC(2,0,C0, C1, 7), 0 }, 4038 { "dbgwcr2_el1", CPENC(2,0,C0, C2, 7), 0 }, 4039 { "dbgwcr3_el1", CPENC(2,0,C0, C3, 7), 0 }, 4040 { "dbgwcr4_el1", CPENC(2,0,C0, C4, 7), 0 }, 4041 { "dbgwcr5_el1", CPENC(2,0,C0, C5, 7), 0 }, 4042 { "dbgwcr6_el1", CPENC(2,0,C0, C6, 7), 0 }, 4043 { "dbgwcr7_el1", CPENC(2,0,C0, C7, 7), 0 }, 4044 { "dbgwcr8_el1", CPENC(2,0,C0, C8, 7), 0 }, 4045 { "dbgwcr9_el1", CPENC(2,0,C0, C9, 7), 0 }, 4046 { "dbgwcr10_el1", CPENC(2,0,C0, C10,7), 0 }, 4047 { "dbgwcr11_el1", CPENC(2,0,C0, C11,7), 0 }, 4048 { "dbgwcr12_el1", CPENC(2,0,C0, C12,7), 0 }, 4049 { "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 }, 4050 { "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 }, 4051 { "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 }, 4052 { "mdrar_el1", CPENC(2,0,C1, C0, 0), F_REG_READ }, /* r */ 4053 { "oslar_el1", CPENC(2,0,C1, C0, 4), F_REG_WRITE }, /* w */ 4054 { "oslsr_el1", CPENC(2,0,C1, C1, 4), F_REG_READ }, /* r */ 4055 { "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 }, 4056 { "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 }, 4057 { "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 }, 4058 { "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 }, 4059 { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), F_REG_READ }, /* r */ 4060 { "pmblimitr_el1", CPENC (3, 0, C9, C10, 0), F_ARCHEXT }, /* rw */ 4061 { "pmbptr_el1", CPENC (3, 0, C9, C10, 1), F_ARCHEXT }, /* rw */ 4062 { "pmbsr_el1", CPENC (3, 0, C9, C10, 3), F_ARCHEXT }, /* rw */ 4063 { "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT | F_REG_READ }, /* ro */ 4064 { "pmscr_el1", CPENC (3, 0, C9, C9, 0), F_ARCHEXT }, /* rw */ 4065 { "pmsicr_el1", CPENC (3, 0, C9, C9, 2), F_ARCHEXT }, /* rw */ 4066 { "pmsirr_el1", CPENC (3, 0, C9, C9, 3), F_ARCHEXT }, /* rw */ 4067 { "pmsfcr_el1", CPENC (3, 0, C9, C9, 4), F_ARCHEXT }, /* rw */ 4068 { "pmsevfr_el1", CPENC (3, 0, C9, C9, 5), F_ARCHEXT }, /* rw */ 4069 { "pmslatfr_el1", CPENC (3, 0, C9, C9, 6), F_ARCHEXT }, /* rw */ 4070 { "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT }, /* rw */ 4071 { "pmscr_el2", CPENC (3, 4, C9, C9, 0), F_ARCHEXT }, /* rw */ 4072 { "pmscr_el12", CPENC (3, 5, C9, C9, 0), F_ARCHEXT }, /* rw */ 4073 { "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 }, 4074 { "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 }, 4075 { "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 }, 4076 { "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 }, 4077 { "pmswinc_el0", CPENC(3,3,C9,C12, 4), F_REG_WRITE }, /* w */ 4078 { "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 }, 4079 { "pmceid0_el0", CPENC(3,3,C9,C12, 6), F_REG_READ }, /* r */ 4080 { "pmceid1_el0", CPENC(3,3,C9,C12, 7), F_REG_READ }, /* r */ 4081 { "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 }, 4082 { "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 }, 4083 { "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 }, 4084 { "pmuserenr_el0", CPENC(3,3,C9,C14, 0), 0 }, 4085 { "pmintenset_el1", CPENC(3,0,C9,C14, 1), 0 }, 4086 { "pmintenclr_el1", CPENC(3,0,C9,C14, 2), 0 }, 4087 { "pmovsset_el0", CPENC(3,3,C9,C14, 3), 0 }, 4088 { "pmevcntr0_el0", CPENC(3,3,C14,C8, 0), 0 }, 4089 { "pmevcntr1_el0", CPENC(3,3,C14,C8, 1), 0 }, 4090 { "pmevcntr2_el0", CPENC(3,3,C14,C8, 2), 0 }, 4091 { "pmevcntr3_el0", CPENC(3,3,C14,C8, 3), 0 }, 4092 { "pmevcntr4_el0", CPENC(3,3,C14,C8, 4), 0 }, 4093 { "pmevcntr5_el0", CPENC(3,3,C14,C8, 5), 0 }, 4094 { "pmevcntr6_el0", CPENC(3,3,C14,C8, 6), 0 }, 4095 { "pmevcntr7_el0", CPENC(3,3,C14,C8, 7), 0 }, 4096 { "pmevcntr8_el0", CPENC(3,3,C14,C9, 0), 0 }, 4097 { "pmevcntr9_el0", CPENC(3,3,C14,C9, 1), 0 }, 4098 { "pmevcntr10_el0", CPENC(3,3,C14,C9, 2), 0 }, 4099 { "pmevcntr11_el0", CPENC(3,3,C14,C9, 3), 0 }, 4100 { "pmevcntr12_el0", CPENC(3,3,C14,C9, 4), 0 }, 4101 { "pmevcntr13_el0", CPENC(3,3,C14,C9, 5), 0 }, 4102 { "pmevcntr14_el0", CPENC(3,3,C14,C9, 6), 0 }, 4103 { "pmevcntr15_el0", CPENC(3,3,C14,C9, 7), 0 }, 4104 { "pmevcntr16_el0", CPENC(3,3,C14,C10,0), 0 }, 4105 { "pmevcntr17_el0", CPENC(3,3,C14,C10,1), 0 }, 4106 { "pmevcntr18_el0", CPENC(3,3,C14,C10,2), 0 }, 4107 { "pmevcntr19_el0", CPENC(3,3,C14,C10,3), 0 }, 4108 { "pmevcntr20_el0", CPENC(3,3,C14,C10,4), 0 }, 4109 { "pmevcntr21_el0", CPENC(3,3,C14,C10,5), 0 }, 4110 { "pmevcntr22_el0", CPENC(3,3,C14,C10,6), 0 }, 4111 { "pmevcntr23_el0", CPENC(3,3,C14,C10,7), 0 }, 4112 { "pmevcntr24_el0", CPENC(3,3,C14,C11,0), 0 }, 4113 { "pmevcntr25_el0", CPENC(3,3,C14,C11,1), 0 }, 4114 { "pmevcntr26_el0", CPENC(3,3,C14,C11,2), 0 }, 4115 { "pmevcntr27_el0", CPENC(3,3,C14,C11,3), 0 }, 4116 { "pmevcntr28_el0", CPENC(3,3,C14,C11,4), 0 }, 4117 { "pmevcntr29_el0", CPENC(3,3,C14,C11,5), 0 }, 4118 { "pmevcntr30_el0", CPENC(3,3,C14,C11,6), 0 }, 4119 { "pmevtyper0_el0", CPENC(3,3,C14,C12,0), 0 }, 4120 { "pmevtyper1_el0", CPENC(3,3,C14,C12,1), 0 }, 4121 { "pmevtyper2_el0", CPENC(3,3,C14,C12,2), 0 }, 4122 { "pmevtyper3_el0", CPENC(3,3,C14,C12,3), 0 }, 4123 { "pmevtyper4_el0", CPENC(3,3,C14,C12,4), 0 }, 4124 { "pmevtyper5_el0", CPENC(3,3,C14,C12,5), 0 }, 4125 { "pmevtyper6_el0", CPENC(3,3,C14,C12,6), 0 }, 4126 { "pmevtyper7_el0", CPENC(3,3,C14,C12,7), 0 }, 4127 { "pmevtyper8_el0", CPENC(3,3,C14,C13,0), 0 }, 4128 { "pmevtyper9_el0", CPENC(3,3,C14,C13,1), 0 }, 4129 { "pmevtyper10_el0", CPENC(3,3,C14,C13,2), 0 }, 4130 { "pmevtyper11_el0", CPENC(3,3,C14,C13,3), 0 }, 4131 { "pmevtyper12_el0", CPENC(3,3,C14,C13,4), 0 }, 4132 { "pmevtyper13_el0", CPENC(3,3,C14,C13,5), 0 }, 4133 { "pmevtyper14_el0", CPENC(3,3,C14,C13,6), 0 }, 4134 { "pmevtyper15_el0", CPENC(3,3,C14,C13,7), 0 }, 4135 { "pmevtyper16_el0", CPENC(3,3,C14,C14,0), 0 }, 4136 { "pmevtyper17_el0", CPENC(3,3,C14,C14,1), 0 }, 4137 { "pmevtyper18_el0", CPENC(3,3,C14,C14,2), 0 }, 4138 { "pmevtyper19_el0", CPENC(3,3,C14,C14,3), 0 }, 4139 { "pmevtyper20_el0", CPENC(3,3,C14,C14,4), 0 }, 4140 { "pmevtyper21_el0", CPENC(3,3,C14,C14,5), 0 }, 4141 { "pmevtyper22_el0", CPENC(3,3,C14,C14,6), 0 }, 4142 { "pmevtyper23_el0", CPENC(3,3,C14,C14,7), 0 }, 4143 { "pmevtyper24_el0", CPENC(3,3,C14,C15,0), 0 }, 4144 { "pmevtyper25_el0", CPENC(3,3,C14,C15,1), 0 }, 4145 { "pmevtyper26_el0", CPENC(3,3,C14,C15,2), 0 }, 4146 { "pmevtyper27_el0", CPENC(3,3,C14,C15,3), 0 }, 4147 { "pmevtyper28_el0", CPENC(3,3,C14,C15,4), 0 }, 4148 { "pmevtyper29_el0", CPENC(3,3,C14,C15,5), 0 }, 4149 { "pmevtyper30_el0", CPENC(3,3,C14,C15,6), 0 }, 4150 { "pmccfiltr_el0", CPENC(3,3,C14,C15,7), 0 }, 4151 4152 { "dit", CPEN_ (3, C2, 5), F_ARCHEXT }, 4153 { "vstcr_el2", CPENC(3, 4, C2, C6, 2), F_ARCHEXT }, 4154 { "vsttbr_el2", CPENC(3, 4, C2, C6, 0), F_ARCHEXT }, 4155 { "cnthvs_tval_el2", CPENC(3, 4, C14, C4, 0), F_ARCHEXT }, 4156 { "cnthvs_cval_el2", CPENC(3, 4, C14, C4, 2), F_ARCHEXT }, 4157 { "cnthvs_ctl_el2", CPENC(3, 4, C14, C4, 1), F_ARCHEXT }, 4158 { "cnthps_tval_el2", CPENC(3, 4, C14, C5, 0), F_ARCHEXT }, 4159 { "cnthps_cval_el2", CPENC(3, 4, C14, C5, 2), F_ARCHEXT }, 4160 { "cnthps_ctl_el2", CPENC(3, 4, C14, C5, 1), F_ARCHEXT }, 4161 { "sder32_el2", CPENC(3, 4, C1, C3, 1), F_ARCHEXT }, 4162 { "vncr_el2", CPENC(3, 4, C2, C2, 0), F_ARCHEXT }, 4163 { 0, CPENC(0,0,0,0,0), 0 }, 4164 }; 4165 4166 bfd_boolean 4167 aarch64_sys_reg_deprecated_p (const aarch64_sys_reg *reg) 4168 { 4169 return (reg->flags & F_DEPRECATED) != 0; 4170 } 4171 4172 bfd_boolean 4173 aarch64_sys_reg_supported_p (const aarch64_feature_set features, 4174 const aarch64_sys_reg *reg) 4175 { 4176 if (!(reg->flags & F_ARCHEXT)) 4177 return TRUE; 4178 4179 /* PAN. Values are from aarch64_sys_regs. */ 4180 if (reg->value == CPEN_(0,C2,3) 4181 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN)) 4182 return FALSE; 4183 4184 /* SCXTNUM_ELx registers. */ 4185 if ((reg->value == CPENC (3, 3, C13, C0, 7) 4186 || reg->value == CPENC (3, 0, C13, C0, 7) 4187 || reg->value == CPENC (3, 4, C13, C0, 7) 4188 || reg->value == CPENC (3, 6, C13, C0, 7) 4189 || reg->value == CPENC (3, 5, C13, C0, 7)) 4190 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SCXTNUM)) 4191 return FALSE; 4192 4193 /* ID_PFR2_EL1 register. */ 4194 if (reg->value == CPENC(3, 0, C0, C3, 4) 4195 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_ID_PFR2)) 4196 return FALSE; 4197 4198 /* SSBS. Values are from aarch64_sys_regs. */ 4199 if (reg->value == CPEN_(3,C2,6) 4200 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS)) 4201 return FALSE; 4202 4203 /* Virtualization host extensions: system registers. */ 4204 if ((reg->value == CPENC (3, 4, C2, C0, 1) 4205 || reg->value == CPENC (3, 4, C13, C0, 1) 4206 || reg->value == CPENC (3, 4, C14, C3, 0) 4207 || reg->value == CPENC (3, 4, C14, C3, 1) 4208 || reg->value == CPENC (3, 4, C14, C3, 2)) 4209 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1)) 4210 return FALSE; 4211 4212 /* Virtualization host extensions: *_el12 names of *_el1 registers. */ 4213 if ((reg->value == CPEN_ (5, C0, 0) 4214 || reg->value == CPEN_ (5, C0, 1) 4215 || reg->value == CPENC (3, 5, C1, C0, 0) 4216 || reg->value == CPENC (3, 5, C1, C0, 2) 4217 || reg->value == CPENC (3, 5, C2, C0, 0) 4218 || reg->value == CPENC (3, 5, C2, C0, 1) 4219 || reg->value == CPENC (3, 5, C2, C0, 2) 4220 || reg->value == CPENC (3, 5, C5, C1, 0) 4221 || reg->value == CPENC (3, 5, C5, C1, 1) 4222 || reg->value == CPENC (3, 5, C5, C2, 0) 4223 || reg->value == CPENC (3, 5, C6, C0, 0) 4224 || reg->value == CPENC (3, 5, C10, C2, 0) 4225 || reg->value == CPENC (3, 5, C10, C3, 0) 4226 || reg->value == CPENC (3, 5, C12, C0, 0) 4227 || reg->value == CPENC (3, 5, C13, C0, 1) 4228 || reg->value == CPENC (3, 5, C14, C1, 0)) 4229 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1)) 4230 return FALSE; 4231 4232 /* Virtualization host extensions: *_el02 names of *_el0 registers. */ 4233 if ((reg->value == CPENC (3, 5, C14, C2, 0) 4234 || reg->value == CPENC (3, 5, C14, C2, 1) 4235 || reg->value == CPENC (3, 5, C14, C2, 2) 4236 || reg->value == CPENC (3, 5, C14, C3, 0) 4237 || reg->value == CPENC (3, 5, C14, C3, 1) 4238 || reg->value == CPENC (3, 5, C14, C3, 2)) 4239 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1)) 4240 return FALSE; 4241 4242 /* ARMv8.2 features. */ 4243 4244 /* ID_AA64MMFR2_EL1. */ 4245 if (reg->value == CPENC (3, 0, C0, C7, 2) 4246 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2)) 4247 return FALSE; 4248 4249 /* PSTATE.UAO. */ 4250 if (reg->value == CPEN_ (0, C2, 4) 4251 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2)) 4252 return FALSE; 4253 4254 /* RAS extension. */ 4255 4256 /* ERRIDR_EL1, ERRSELR_EL1, ERXFR_EL1, ERXCTLR_EL1, ERXSTATUS_EL, ERXADDR_EL1, 4257 ERXMISC0_EL1 AND ERXMISC1_EL1. */ 4258 if ((reg->value == CPENC (3, 0, C5, C3, 0) 4259 || reg->value == CPENC (3, 0, C5, C3, 1) 4260 || reg->value == CPENC (3, 0, C5, C3, 2) 4261 || reg->value == CPENC (3, 0, C5, C3, 3) 4262 || reg->value == CPENC (3, 0, C5, C4, 0) 4263 || reg->value == CPENC (3, 0, C5, C4, 1) 4264 || reg->value == CPENC (3, 0, C5, C4, 2) 4265 || reg->value == CPENC (3, 0, C5, C4, 3) 4266 || reg->value == CPENC (3, 0, C5, C5, 0) 4267 || reg->value == CPENC (3, 0, C5, C5, 1)) 4268 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS)) 4269 return FALSE; 4270 4271 /* VSESR_EL2, DISR_EL1 and VDISR_EL2. */ 4272 if ((reg->value == CPENC (3, 4, C5, C2, 3) 4273 || reg->value == CPENC (3, 0, C12, C1, 1) 4274 || reg->value == CPENC (3, 4, C12, C1, 1)) 4275 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS)) 4276 return FALSE; 4277 4278 /* Statistical Profiling extension. */ 4279 if ((reg->value == CPENC (3, 0, C9, C10, 0) 4280 || reg->value == CPENC (3, 0, C9, C10, 1) 4281 || reg->value == CPENC (3, 0, C9, C10, 3) 4282 || reg->value == CPENC (3, 0, C9, C10, 7) 4283 || reg->value == CPENC (3, 0, C9, C9, 0) 4284 || reg->value == CPENC (3, 0, C9, C9, 2) 4285 || reg->value == CPENC (3, 0, C9, C9, 3) 4286 || reg->value == CPENC (3, 0, C9, C9, 4) 4287 || reg->value == CPENC (3, 0, C9, C9, 5) 4288 || reg->value == CPENC (3, 0, C9, C9, 6) 4289 || reg->value == CPENC (3, 0, C9, C9, 7) 4290 || reg->value == CPENC (3, 4, C9, C9, 0) 4291 || reg->value == CPENC (3, 5, C9, C9, 0)) 4292 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PROFILE)) 4293 return FALSE; 4294 4295 /* ARMv8.3 Pointer authentication keys. */ 4296 if ((reg->value == CPENC (3, 0, C2, C1, 0) 4297 || reg->value == CPENC (3, 0, C2, C1, 1) 4298 || reg->value == CPENC (3, 0, C2, C1, 2) 4299 || reg->value == CPENC (3, 0, C2, C1, 3) 4300 || reg->value == CPENC (3, 0, C2, C2, 0) 4301 || reg->value == CPENC (3, 0, C2, C2, 1) 4302 || reg->value == CPENC (3, 0, C2, C2, 2) 4303 || reg->value == CPENC (3, 0, C2, C2, 3) 4304 || reg->value == CPENC (3, 0, C2, C3, 0) 4305 || reg->value == CPENC (3, 0, C2, C3, 1)) 4306 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_3)) 4307 return FALSE; 4308 4309 /* SVE. */ 4310 if ((reg->value == CPENC (3, 0, C0, C4, 4) 4311 || reg->value == CPENC (3, 0, C1, C2, 0) 4312 || reg->value == CPENC (3, 4, C1, C2, 0) 4313 || reg->value == CPENC (3, 6, C1, C2, 0) 4314 || reg->value == CPENC (3, 5, C1, C2, 0) 4315 || reg->value == CPENC (3, 0, C0, C0, 7)) 4316 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SVE)) 4317 return FALSE; 4318 4319 /* ARMv8.4 features. */ 4320 4321 /* PSTATE.DIT. */ 4322 if (reg->value == CPEN_ (3, C2, 5) 4323 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4)) 4324 return FALSE; 4325 4326 /* Virtualization extensions. */ 4327 if ((reg->value == CPENC(3, 4, C2, C6, 2) 4328 || reg->value == CPENC(3, 4, C2, C6, 0) 4329 || reg->value == CPENC(3, 4, C14, C4, 0) 4330 || reg->value == CPENC(3, 4, C14, C4, 2) 4331 || reg->value == CPENC(3, 4, C14, C4, 1) 4332 || reg->value == CPENC(3, 4, C14, C5, 0) 4333 || reg->value == CPENC(3, 4, C14, C5, 2) 4334 || reg->value == CPENC(3, 4, C14, C5, 1) 4335 || reg->value == CPENC(3, 4, C1, C3, 1) 4336 || reg->value == CPENC(3, 4, C2, C2, 0)) 4337 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4)) 4338 return FALSE; 4339 4340 /* ARMv8.4 TLB instructions. */ 4341 if ((reg->value == CPENS (0, C8, C1, 0) 4342 || reg->value == CPENS (0, C8, C1, 1) 4343 || reg->value == CPENS (0, C8, C1, 2) 4344 || reg->value == CPENS (0, C8, C1, 3) 4345 || reg->value == CPENS (0, C8, C1, 5) 4346 || reg->value == CPENS (0, C8, C1, 7) 4347 || reg->value == CPENS (4, C8, C4, 0) 4348 || reg->value == CPENS (4, C8, C4, 4) 4349 || reg->value == CPENS (4, C8, C1, 1) 4350 || reg->value == CPENS (4, C8, C1, 5) 4351 || reg->value == CPENS (4, C8, C1, 6) 4352 || reg->value == CPENS (6, C8, C1, 1) 4353 || reg->value == CPENS (6, C8, C1, 5) 4354 || reg->value == CPENS (4, C8, C1, 0) 4355 || reg->value == CPENS (4, C8, C1, 4) 4356 || reg->value == CPENS (6, C8, C1, 0) 4357 || reg->value == CPENS (0, C8, C6, 1) 4358 || reg->value == CPENS (0, C8, C6, 3) 4359 || reg->value == CPENS (0, C8, C6, 5) 4360 || reg->value == CPENS (0, C8, C6, 7) 4361 || reg->value == CPENS (0, C8, C2, 1) 4362 || reg->value == CPENS (0, C8, C2, 3) 4363 || reg->value == CPENS (0, C8, C2, 5) 4364 || reg->value == CPENS (0, C8, C2, 7) 4365 || reg->value == CPENS (0, C8, C5, 1) 4366 || reg->value == CPENS (0, C8, C5, 3) 4367 || reg->value == CPENS (0, C8, C5, 5) 4368 || reg->value == CPENS (0, C8, C5, 7) 4369 || reg->value == CPENS (4, C8, C0, 2) 4370 || reg->value == CPENS (4, C8, C0, 6) 4371 || reg->value == CPENS (4, C8, C4, 2) 4372 || reg->value == CPENS (4, C8, C4, 6) 4373 || reg->value == CPENS (4, C8, C4, 3) 4374 || reg->value == CPENS (4, C8, C4, 7) 4375 || reg->value == CPENS (4, C8, C6, 1) 4376 || reg->value == CPENS (4, C8, C6, 5) 4377 || reg->value == CPENS (4, C8, C2, 1) 4378 || reg->value == CPENS (4, C8, C2, 5) 4379 || reg->value == CPENS (4, C8, C5, 1) 4380 || reg->value == CPENS (4, C8, C5, 5) 4381 || reg->value == CPENS (6, C8, C6, 1) 4382 || reg->value == CPENS (6, C8, C6, 5) 4383 || reg->value == CPENS (6, C8, C2, 1) 4384 || reg->value == CPENS (6, C8, C2, 5) 4385 || reg->value == CPENS (6, C8, C5, 1) 4386 || reg->value == CPENS (6, C8, C5, 5)) 4387 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4)) 4388 return FALSE; 4389 4390 /* Random Number Instructions. For now they are available 4391 (and optional) only with ARMv8.5-A. */ 4392 if ((reg->value == CPENC (3, 3, C2, C4, 0) 4393 || reg->value == CPENC (3, 3, C2, C4, 1)) 4394 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RNG) 4395 && AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_5))) 4396 return FALSE; 4397 4398 /* System Registers in ARMv8.5-A with AARCH64_FEATURE_MEMTAG. */ 4399 if ((reg->value == CPENC (3, 3, C4, C2, 7) 4400 || reg->value == CPENC (3, 0, C6, C6, 1) 4401 || reg->value == CPENC (3, 0, C6, C5, 0) 4402 || reg->value == CPENC (3, 4, C6, C5, 0) 4403 || reg->value == CPENC (3, 6, C6, C6, 0) 4404 || reg->value == CPENC (3, 5, C6, C6, 0) 4405 || reg->value == CPENC (3, 0, C1, C0, 5) 4406 || reg->value == CPENC (3, 0, C1, C0, 6)) 4407 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG))) 4408 return FALSE; 4409 4410 return TRUE; 4411 } 4412 4413 /* The CPENC below is fairly misleading, the fields 4414 here are not in CPENC form. They are in op2op1 form. The fields are encoded 4415 by ins_pstatefield, which just shifts the value by the width of the fields 4416 in a loop. So if you CPENC them only the first value will be set, the rest 4417 are masked out to 0. As an example. op2 = 3, op1=2. CPENC would produce a 4418 value of 0b110000000001000000 (0x30040) while what you want is 4419 0b011010 (0x1a). */ 4420 const aarch64_sys_reg aarch64_pstatefields [] = 4421 { 4422 { "spsel", 0x05, 0 }, 4423 { "daifset", 0x1e, 0 }, 4424 { "daifclr", 0x1f, 0 }, 4425 { "pan", 0x04, F_ARCHEXT }, 4426 { "uao", 0x03, F_ARCHEXT }, 4427 { "ssbs", 0x19, F_ARCHEXT }, 4428 { "dit", 0x1a, F_ARCHEXT }, 4429 { "tco", 0x1c, F_ARCHEXT }, 4430 { 0, CPENC(0,0,0,0,0), 0 }, 4431 }; 4432 4433 bfd_boolean 4434 aarch64_pstatefield_supported_p (const aarch64_feature_set features, 4435 const aarch64_sys_reg *reg) 4436 { 4437 if (!(reg->flags & F_ARCHEXT)) 4438 return TRUE; 4439 4440 /* PAN. Values are from aarch64_pstatefields. */ 4441 if (reg->value == 0x04 4442 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN)) 4443 return FALSE; 4444 4445 /* UAO. Values are from aarch64_pstatefields. */ 4446 if (reg->value == 0x03 4447 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2)) 4448 return FALSE; 4449 4450 /* SSBS. Values are from aarch64_pstatefields. */ 4451 if (reg->value == 0x19 4452 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS)) 4453 return FALSE; 4454 4455 /* DIT. Values are from aarch64_pstatefields. */ 4456 if (reg->value == 0x1a 4457 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4)) 4458 return FALSE; 4459 4460 /* TCO. Values are from aarch64_pstatefields. */ 4461 if (reg->value == 0x1c 4462 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG)) 4463 return FALSE; 4464 4465 return TRUE; 4466 } 4467 4468 const aarch64_sys_ins_reg aarch64_sys_regs_ic[] = 4469 { 4470 { "ialluis", CPENS(0,C7,C1,0), 0 }, 4471 { "iallu", CPENS(0,C7,C5,0), 0 }, 4472 { "ivau", CPENS (3, C7, C5, 1), F_HASXT }, 4473 { 0, CPENS(0,0,0,0), 0 } 4474 }; 4475 4476 const aarch64_sys_ins_reg aarch64_sys_regs_dc[] = 4477 { 4478 { "zva", CPENS (3, C7, C4, 1), F_HASXT }, 4479 { "gva", CPENS (3, C7, C4, 3), F_HASXT | F_ARCHEXT }, 4480 { "gzva", CPENS (3, C7, C4, 4), F_HASXT | F_ARCHEXT }, 4481 { "ivac", CPENS (0, C7, C6, 1), F_HASXT }, 4482 { "igvac", CPENS (0, C7, C6, 3), F_HASXT | F_ARCHEXT }, 4483 { "igsw", CPENS (0, C7, C6, 4), F_HASXT | F_ARCHEXT }, 4484 { "isw", CPENS (0, C7, C6, 2), F_HASXT }, 4485 { "igdvac", CPENS (0, C7, C6, 5), F_HASXT | F_ARCHEXT }, 4486 { "igdsw", CPENS (0, C7, C6, 6), F_HASXT | F_ARCHEXT }, 4487 { "cvac", CPENS (3, C7, C10, 1), F_HASXT }, 4488 { "cgvac", CPENS (3, C7, C10, 3), F_HASXT | F_ARCHEXT }, 4489 { "cgdvac", CPENS (3, C7, C10, 5), F_HASXT | F_ARCHEXT }, 4490 { "csw", CPENS (0, C7, C10, 2), F_HASXT }, 4491 { "cgsw", CPENS (0, C7, C10, 4), F_HASXT | F_ARCHEXT }, 4492 { "cgdsw", CPENS (0, C7, C10, 6), F_HASXT | F_ARCHEXT }, 4493 { "cvau", CPENS (3, C7, C11, 1), F_HASXT }, 4494 { "cvap", CPENS (3, C7, C12, 1), F_HASXT | F_ARCHEXT }, 4495 { "cgvap", CPENS (3, C7, C12, 3), F_HASXT | F_ARCHEXT }, 4496 { "cgdvap", CPENS (3, C7, C12, 5), F_HASXT | F_ARCHEXT }, 4497 { "cvadp", CPENS (3, C7, C13, 1), F_HASXT | F_ARCHEXT }, 4498 { "cgvadp", CPENS (3, C7, C13, 3), F_HASXT | F_ARCHEXT }, 4499 { "cgdvadp", CPENS (3, C7, C13, 5), F_HASXT | F_ARCHEXT }, 4500 { "civac", CPENS (3, C7, C14, 1), F_HASXT }, 4501 { "cigvac", CPENS (3, C7, C14, 3), F_HASXT | F_ARCHEXT }, 4502 { "cigdvac", CPENS (3, C7, C14, 5), F_HASXT | F_ARCHEXT }, 4503 { "cisw", CPENS (0, C7, C14, 2), F_HASXT }, 4504 { "cigsw", CPENS (0, C7, C14, 4), F_HASXT | F_ARCHEXT }, 4505 { "cigdsw", CPENS (0, C7, C14, 6), F_HASXT | F_ARCHEXT }, 4506 { 0, CPENS(0,0,0,0), 0 } 4507 }; 4508 4509 const aarch64_sys_ins_reg aarch64_sys_regs_at[] = 4510 { 4511 { "s1e1r", CPENS (0, C7, C8, 0), F_HASXT }, 4512 { "s1e1w", CPENS (0, C7, C8, 1), F_HASXT }, 4513 { "s1e0r", CPENS (0, C7, C8, 2), F_HASXT }, 4514 { "s1e0w", CPENS (0, C7, C8, 3), F_HASXT }, 4515 { "s12e1r", CPENS (4, C7, C8, 4), F_HASXT }, 4516 { "s12e1w", CPENS (4, C7, C8, 5), F_HASXT }, 4517 { "s12e0r", CPENS (4, C7, C8, 6), F_HASXT }, 4518 { "s12e0w", CPENS (4, C7, C8, 7), F_HASXT }, 4519 { "s1e2r", CPENS (4, C7, C8, 0), F_HASXT }, 4520 { "s1e2w", CPENS (4, C7, C8, 1), F_HASXT }, 4521 { "s1e3r", CPENS (6, C7, C8, 0), F_HASXT }, 4522 { "s1e3w", CPENS (6, C7, C8, 1), F_HASXT }, 4523 { "s1e1rp", CPENS (0, C7, C9, 0), F_HASXT | F_ARCHEXT }, 4524 { "s1e1wp", CPENS (0, C7, C9, 1), F_HASXT | F_ARCHEXT }, 4525 { 0, CPENS(0,0,0,0), 0 } 4526 }; 4527 4528 const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] = 4529 { 4530 { "vmalle1", CPENS(0,C8,C7,0), 0 }, 4531 { "vae1", CPENS (0, C8, C7, 1), F_HASXT }, 4532 { "aside1", CPENS (0, C8, C7, 2), F_HASXT }, 4533 { "vaae1", CPENS (0, C8, C7, 3), F_HASXT }, 4534 { "vmalle1is", CPENS(0,C8,C3,0), 0 }, 4535 { "vae1is", CPENS (0, C8, C3, 1), F_HASXT }, 4536 { "aside1is", CPENS (0, C8, C3, 2), F_HASXT }, 4537 { "vaae1is", CPENS (0, C8, C3, 3), F_HASXT }, 4538 { "ipas2e1is", CPENS (4, C8, C0, 1), F_HASXT }, 4539 { "ipas2le1is",CPENS (4, C8, C0, 5), F_HASXT }, 4540 { "ipas2e1", CPENS (4, C8, C4, 1), F_HASXT }, 4541 { "ipas2le1", CPENS (4, C8, C4, 5), F_HASXT }, 4542 { "vae2", CPENS (4, C8, C7, 1), F_HASXT }, 4543 { "vae2is", CPENS (4, C8, C3, 1), F_HASXT }, 4544 { "vmalls12e1",CPENS(4,C8,C7,6), 0 }, 4545 { "vmalls12e1is",CPENS(4,C8,C3,6), 0 }, 4546 { "vae3", CPENS (6, C8, C7, 1), F_HASXT }, 4547 { "vae3is", CPENS (6, C8, C3, 1), F_HASXT }, 4548 { "alle2", CPENS(4,C8,C7,0), 0 }, 4549 { "alle2is", CPENS(4,C8,C3,0), 0 }, 4550 { "alle1", CPENS(4,C8,C7,4), 0 }, 4551 { "alle1is", CPENS(4,C8,C3,4), 0 }, 4552 { "alle3", CPENS(6,C8,C7,0), 0 }, 4553 { "alle3is", CPENS(6,C8,C3,0), 0 }, 4554 { "vale1is", CPENS (0, C8, C3, 5), F_HASXT }, 4555 { "vale2is", CPENS (4, C8, C3, 5), F_HASXT }, 4556 { "vale3is", CPENS (6, C8, C3, 5), F_HASXT }, 4557 { "vaale1is", CPENS (0, C8, C3, 7), F_HASXT }, 4558 { "vale1", CPENS (0, C8, C7, 5), F_HASXT }, 4559 { "vale2", CPENS (4, C8, C7, 5), F_HASXT }, 4560 { "vale3", CPENS (6, C8, C7, 5), F_HASXT }, 4561 { "vaale1", CPENS (0, C8, C7, 7), F_HASXT }, 4562 4563 { "vmalle1os", CPENS (0, C8, C1, 0), F_ARCHEXT }, 4564 { "vae1os", CPENS (0, C8, C1, 1), F_HASXT | F_ARCHEXT }, 4565 { "aside1os", CPENS (0, C8, C1, 2), F_HASXT | F_ARCHEXT }, 4566 { "vaae1os", CPENS (0, C8, C1, 3), F_HASXT | F_ARCHEXT }, 4567 { "vale1os", CPENS (0, C8, C1, 5), F_HASXT | F_ARCHEXT }, 4568 { "vaale1os", CPENS (0, C8, C1, 7), F_HASXT | F_ARCHEXT }, 4569 { "ipas2e1os", CPENS (4, C8, C4, 0), F_HASXT | F_ARCHEXT }, 4570 { "ipas2le1os", CPENS (4, C8, C4, 4), F_HASXT | F_ARCHEXT }, 4571 { "vae2os", CPENS (4, C8, C1, 1), F_HASXT | F_ARCHEXT }, 4572 { "vale2os", CPENS (4, C8, C1, 5), F_HASXT | F_ARCHEXT }, 4573 { "vmalls12e1os", CPENS (4, C8, C1, 6), F_ARCHEXT }, 4574 { "vae3os", CPENS (6, C8, C1, 1), F_HASXT | F_ARCHEXT }, 4575 { "vale3os", CPENS (6, C8, C1, 5), F_HASXT | F_ARCHEXT }, 4576 { "alle2os", CPENS (4, C8, C1, 0), F_ARCHEXT }, 4577 { "alle1os", CPENS (4, C8, C1, 4), F_ARCHEXT }, 4578 { "alle3os", CPENS (6, C8, C1, 0), F_ARCHEXT }, 4579 4580 { "rvae1", CPENS (0, C8, C6, 1), F_HASXT | F_ARCHEXT }, 4581 { "rvaae1", CPENS (0, C8, C6, 3), F_HASXT | F_ARCHEXT }, 4582 { "rvale1", CPENS (0, C8, C6, 5), F_HASXT | F_ARCHEXT }, 4583 { "rvaale1", CPENS (0, C8, C6, 7), F_HASXT | F_ARCHEXT }, 4584 { "rvae1is", CPENS (0, C8, C2, 1), F_HASXT | F_ARCHEXT }, 4585 { "rvaae1is", CPENS (0, C8, C2, 3), F_HASXT | F_ARCHEXT }, 4586 { "rvale1is", CPENS (0, C8, C2, 5), F_HASXT | F_ARCHEXT }, 4587 { "rvaale1is", CPENS (0, C8, C2, 7), F_HASXT | F_ARCHEXT }, 4588 { "rvae1os", CPENS (0, C8, C5, 1), F_HASXT | F_ARCHEXT }, 4589 { "rvaae1os", CPENS (0, C8, C5, 3), F_HASXT | F_ARCHEXT }, 4590 { "rvale1os", CPENS (0, C8, C5, 5), F_HASXT | F_ARCHEXT }, 4591 { "rvaale1os", CPENS (0, C8, C5, 7), F_HASXT | F_ARCHEXT }, 4592 { "ripas2e1is", CPENS (4, C8, C0, 2), F_HASXT | F_ARCHEXT }, 4593 { "ripas2le1is",CPENS (4, C8, C0, 6), F_HASXT | F_ARCHEXT }, 4594 { "ripas2e1", CPENS (4, C8, C4, 2), F_HASXT | F_ARCHEXT }, 4595 { "ripas2le1", CPENS (4, C8, C4, 6), F_HASXT | F_ARCHEXT }, 4596 { "ripas2e1os", CPENS (4, C8, C4, 3), F_HASXT | F_ARCHEXT }, 4597 { "ripas2le1os",CPENS (4, C8, C4, 7), F_HASXT | F_ARCHEXT }, 4598 { "rvae2", CPENS (4, C8, C6, 1), F_HASXT | F_ARCHEXT }, 4599 { "rvale2", CPENS (4, C8, C6, 5), F_HASXT | F_ARCHEXT }, 4600 { "rvae2is", CPENS (4, C8, C2, 1), F_HASXT | F_ARCHEXT }, 4601 { "rvale2is", CPENS (4, C8, C2, 5), F_HASXT | F_ARCHEXT }, 4602 { "rvae2os", CPENS (4, C8, C5, 1), F_HASXT | F_ARCHEXT }, 4603 { "rvale2os", CPENS (4, C8, C5, 5), F_HASXT | F_ARCHEXT }, 4604 { "rvae3", CPENS (6, C8, C6, 1), F_HASXT | F_ARCHEXT }, 4605 { "rvale3", CPENS (6, C8, C6, 5), F_HASXT | F_ARCHEXT }, 4606 { "rvae3is", CPENS (6, C8, C2, 1), F_HASXT | F_ARCHEXT }, 4607 { "rvale3is", CPENS (6, C8, C2, 5), F_HASXT | F_ARCHEXT }, 4608 { "rvae3os", CPENS (6, C8, C5, 1), F_HASXT | F_ARCHEXT }, 4609 { "rvale3os", CPENS (6, C8, C5, 5), F_HASXT | F_ARCHEXT }, 4610 4611 { 0, CPENS(0,0,0,0), 0 } 4612 }; 4613 4614 const aarch64_sys_ins_reg aarch64_sys_regs_sr[] = 4615 { 4616 /* RCTX is somewhat unique in a way that it has different values 4617 (op2) based on the instruction in which it is used (cfp/dvp/cpp). 4618 Thus op2 is masked out and instead encoded directly in the 4619 aarch64_opcode_table entries for the respective instructions. */ 4620 { "rctx", CPENS(3,C7,C3,0), F_HASXT | F_ARCHEXT | F_REG_WRITE}, /* WO */ 4621 4622 { 0, CPENS(0,0,0,0), 0 } 4623 }; 4624 4625 bfd_boolean 4626 aarch64_sys_ins_reg_has_xt (const aarch64_sys_ins_reg *sys_ins_reg) 4627 { 4628 return (sys_ins_reg->flags & F_HASXT) != 0; 4629 } 4630 4631 extern bfd_boolean 4632 aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features, 4633 const aarch64_sys_ins_reg *reg) 4634 { 4635 if (!(reg->flags & F_ARCHEXT)) 4636 return TRUE; 4637 4638 /* DC CVAP. Values are from aarch64_sys_regs_dc. */ 4639 if (reg->value == CPENS (3, C7, C12, 1) 4640 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2)) 4641 return FALSE; 4642 4643 /* DC CVADP. Values are from aarch64_sys_regs_dc. */ 4644 if (reg->value == CPENS (3, C7, C13, 1) 4645 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_CVADP)) 4646 return FALSE; 4647 4648 /* DC <dc_op> for ARMv8.5-A Memory Tagging Extension. */ 4649 if ((reg->value == CPENS (0, C7, C6, 3) 4650 || reg->value == CPENS (0, C7, C6, 4) 4651 || reg->value == CPENS (0, C7, C10, 4) 4652 || reg->value == CPENS (0, C7, C14, 4) 4653 || reg->value == CPENS (3, C7, C10, 3) 4654 || reg->value == CPENS (3, C7, C12, 3) 4655 || reg->value == CPENS (3, C7, C13, 3) 4656 || reg->value == CPENS (3, C7, C14, 3) 4657 || reg->value == CPENS (3, C7, C4, 3) 4658 || reg->value == CPENS (0, C7, C6, 5) 4659 || reg->value == CPENS (0, C7, C6, 6) 4660 || reg->value == CPENS (0, C7, C10, 6) 4661 || reg->value == CPENS (0, C7, C14, 6) 4662 || reg->value == CPENS (3, C7, C10, 5) 4663 || reg->value == CPENS (3, C7, C12, 5) 4664 || reg->value == CPENS (3, C7, C13, 5) 4665 || reg->value == CPENS (3, C7, C14, 5) 4666 || reg->value == CPENS (3, C7, C4, 4)) 4667 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG)) 4668 return FALSE; 4669 4670 /* AT S1E1RP, AT S1E1WP. Values are from aarch64_sys_regs_at. */ 4671 if ((reg->value == CPENS (0, C7, C9, 0) 4672 || reg->value == CPENS (0, C7, C9, 1)) 4673 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2)) 4674 return FALSE; 4675 4676 /* CFP/DVP/CPP RCTX : Value are from aarch64_sys_regs_sr. */ 4677 if (reg->value == CPENS (3, C7, C3, 0) 4678 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PREDRES)) 4679 return FALSE; 4680 4681 return TRUE; 4682 } 4683 4684 #undef C0 4685 #undef C1 4686 #undef C2 4687 #undef C3 4688 #undef C4 4689 #undef C5 4690 #undef C6 4691 #undef C7 4692 #undef C8 4693 #undef C9 4694 #undef C10 4695 #undef C11 4696 #undef C12 4697 #undef C13 4698 #undef C14 4699 #undef C15 4700 4701 #define BIT(INSN,BT) (((INSN) >> (BT)) & 1) 4702 #define BITS(INSN,HI,LO) (((INSN) >> (LO)) & ((1 << (((HI) - (LO)) + 1)) - 1)) 4703 4704 static enum err_type 4705 verify_ldpsw (const struct aarch64_inst *inst ATTRIBUTE_UNUSED, 4706 const aarch64_insn insn, bfd_vma pc ATTRIBUTE_UNUSED, 4707 bfd_boolean encoding ATTRIBUTE_UNUSED, 4708 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED, 4709 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED) 4710 { 4711 int t = BITS (insn, 4, 0); 4712 int n = BITS (insn, 9, 5); 4713 int t2 = BITS (insn, 14, 10); 4714 4715 if (BIT (insn, 23)) 4716 { 4717 /* Write back enabled. */ 4718 if ((t == n || t2 == n) && n != 31) 4719 return ERR_UND; 4720 } 4721 4722 if (BIT (insn, 22)) 4723 { 4724 /* Load */ 4725 if (t == t2) 4726 return ERR_UND; 4727 } 4728 4729 return ERR_OK; 4730 } 4731 4732 /* Verifier for vector by element 3 operands functions where the 4733 conditions `if sz:L == 11 then UNDEFINED` holds. */ 4734 4735 static enum err_type 4736 verify_elem_sd (const struct aarch64_inst *inst, const aarch64_insn insn, 4737 bfd_vma pc ATTRIBUTE_UNUSED, bfd_boolean encoding, 4738 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED, 4739 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED) 4740 { 4741 const aarch64_insn undef_pattern = 0x3; 4742 aarch64_insn value; 4743 4744 assert (inst->opcode); 4745 assert (inst->opcode->operands[2] == AARCH64_OPND_Em); 4746 value = encoding ? inst->value : insn; 4747 assert (value); 4748 4749 if (undef_pattern == extract_fields (value, 0, 2, FLD_sz, FLD_L)) 4750 return ERR_UND; 4751 4752 return ERR_OK; 4753 } 4754 4755 /* Initialize an instruction sequence insn_sequence with the instruction INST. 4756 If INST is NULL the given insn_sequence is cleared and the sequence is left 4757 uninitialized. */ 4758 4759 void 4760 init_insn_sequence (const struct aarch64_inst *inst, 4761 aarch64_instr_sequence *insn_sequence) 4762 { 4763 int num_req_entries = 0; 4764 insn_sequence->next_insn = 0; 4765 insn_sequence->num_insns = num_req_entries; 4766 if (insn_sequence->instr) 4767 XDELETE (insn_sequence->instr); 4768 insn_sequence->instr = NULL; 4769 4770 if (inst) 4771 { 4772 insn_sequence->instr = XNEW (aarch64_inst); 4773 memcpy (insn_sequence->instr, inst, sizeof (aarch64_inst)); 4774 } 4775 4776 /* Handle all the cases here. May need to think of something smarter than 4777 a giant if/else chain if this grows. At that time, a lookup table may be 4778 best. */ 4779 if (inst && inst->opcode->constraints & C_SCAN_MOVPRFX) 4780 num_req_entries = 1; 4781 4782 if (insn_sequence->current_insns) 4783 XDELETEVEC (insn_sequence->current_insns); 4784 insn_sequence->current_insns = NULL; 4785 4786 if (num_req_entries != 0) 4787 { 4788 size_t size = num_req_entries * sizeof (aarch64_inst); 4789 insn_sequence->current_insns 4790 = (aarch64_inst**) XNEWVEC (aarch64_inst, num_req_entries); 4791 memset (insn_sequence->current_insns, 0, size); 4792 } 4793 } 4794 4795 4796 /* This function verifies that the instruction INST adheres to its specified 4797 constraints. If it does then ERR_OK is returned, if not then ERR_VFI is 4798 returned and MISMATCH_DETAIL contains the reason why verification failed. 4799 4800 The function is called both during assembly and disassembly. If assembling 4801 then ENCODING will be TRUE, else FALSE. If dissassembling PC will be set 4802 and will contain the PC of the current instruction w.r.t to the section. 4803 4804 If ENCODING and PC=0 then you are at a start of a section. The constraints 4805 are verified against the given state insn_sequence which is updated as it 4806 transitions through the verification. */ 4807 4808 enum err_type 4809 verify_constraints (const struct aarch64_inst *inst, 4810 const aarch64_insn insn ATTRIBUTE_UNUSED, 4811 bfd_vma pc, 4812 bfd_boolean encoding, 4813 aarch64_operand_error *mismatch_detail, 4814 aarch64_instr_sequence *insn_sequence) 4815 { 4816 assert (inst); 4817 assert (inst->opcode); 4818 4819 const struct aarch64_opcode *opcode = inst->opcode; 4820 if (!opcode->constraints && !insn_sequence->instr) 4821 return ERR_OK; 4822 4823 assert (insn_sequence); 4824 4825 enum err_type res = ERR_OK; 4826 4827 /* This instruction puts a constraint on the insn_sequence. */ 4828 if (opcode->flags & F_SCAN) 4829 { 4830 if (insn_sequence->instr) 4831 { 4832 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 4833 mismatch_detail->error = _("instruction opens new dependency " 4834 "sequence without ending previous one"); 4835 mismatch_detail->index = -1; 4836 mismatch_detail->non_fatal = TRUE; 4837 res = ERR_VFI; 4838 } 4839 4840 init_insn_sequence (inst, insn_sequence); 4841 return res; 4842 } 4843 4844 /* Verify constraints on an existing sequence. */ 4845 if (insn_sequence->instr) 4846 { 4847 const struct aarch64_opcode* inst_opcode = insn_sequence->instr->opcode; 4848 /* If we're decoding and we hit PC=0 with an open sequence then we haven't 4849 closed a previous one that we should have. */ 4850 if (!encoding && pc == 0) 4851 { 4852 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 4853 mismatch_detail->error = _("previous `movprfx' sequence not closed"); 4854 mismatch_detail->index = -1; 4855 mismatch_detail->non_fatal = TRUE; 4856 res = ERR_VFI; 4857 /* Reset the sequence. */ 4858 init_insn_sequence (NULL, insn_sequence); 4859 return res; 4860 } 4861 4862 /* Validate C_SCAN_MOVPRFX constraints. Move this to a lookup table. */ 4863 if (inst_opcode->constraints & C_SCAN_MOVPRFX) 4864 { 4865 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE 4866 instruction for better error messages. */ 4867 if (!opcode->avariant || !(*opcode->avariant & AARCH64_FEATURE_SVE)) 4868 { 4869 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 4870 mismatch_detail->error = _("SVE instruction expected after " 4871 "`movprfx'"); 4872 mismatch_detail->index = -1; 4873 mismatch_detail->non_fatal = TRUE; 4874 res = ERR_VFI; 4875 goto done; 4876 } 4877 4878 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE 4879 instruction that is allowed to be used with a MOVPRFX. */ 4880 if (!(opcode->constraints & C_SCAN_MOVPRFX)) 4881 { 4882 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 4883 mismatch_detail->error = _("SVE `movprfx' compatible instruction " 4884 "expected"); 4885 mismatch_detail->index = -1; 4886 mismatch_detail->non_fatal = TRUE; 4887 res = ERR_VFI; 4888 goto done; 4889 } 4890 4891 /* Next check for usage of the predicate register. */ 4892 aarch64_opnd_info blk_dest = insn_sequence->instr->operands[0]; 4893 aarch64_opnd_info blk_pred, inst_pred; 4894 memset (&blk_pred, 0, sizeof (aarch64_opnd_info)); 4895 memset (&inst_pred, 0, sizeof (aarch64_opnd_info)); 4896 bfd_boolean predicated = FALSE; 4897 assert (blk_dest.type == AARCH64_OPND_SVE_Zd); 4898 4899 /* Determine if the movprfx instruction used is predicated or not. */ 4900 if (insn_sequence->instr->operands[1].type == AARCH64_OPND_SVE_Pg3) 4901 { 4902 predicated = TRUE; 4903 blk_pred = insn_sequence->instr->operands[1]; 4904 } 4905 4906 unsigned char max_elem_size = 0; 4907 unsigned char current_elem_size; 4908 int num_op_used = 0, last_op_usage = 0; 4909 int i, inst_pred_idx = -1; 4910 int num_ops = aarch64_num_of_operands (opcode); 4911 for (i = 0; i < num_ops; i++) 4912 { 4913 aarch64_opnd_info inst_op = inst->operands[i]; 4914 switch (inst_op.type) 4915 { 4916 case AARCH64_OPND_SVE_Zd: 4917 case AARCH64_OPND_SVE_Zm_5: 4918 case AARCH64_OPND_SVE_Zm_16: 4919 case AARCH64_OPND_SVE_Zn: 4920 case AARCH64_OPND_SVE_Zt: 4921 case AARCH64_OPND_SVE_Vm: 4922 case AARCH64_OPND_SVE_Vn: 4923 case AARCH64_OPND_Va: 4924 case AARCH64_OPND_Vn: 4925 case AARCH64_OPND_Vm: 4926 case AARCH64_OPND_Sn: 4927 case AARCH64_OPND_Sm: 4928 case AARCH64_OPND_Rn: 4929 case AARCH64_OPND_Rm: 4930 case AARCH64_OPND_Rn_SP: 4931 case AARCH64_OPND_Rm_SP: 4932 if (inst_op.reg.regno == blk_dest.reg.regno) 4933 { 4934 num_op_used++; 4935 last_op_usage = i; 4936 } 4937 current_elem_size 4938 = aarch64_get_qualifier_esize (inst_op.qualifier); 4939 if (current_elem_size > max_elem_size) 4940 max_elem_size = current_elem_size; 4941 break; 4942 case AARCH64_OPND_SVE_Pd: 4943 case AARCH64_OPND_SVE_Pg3: 4944 case AARCH64_OPND_SVE_Pg4_5: 4945 case AARCH64_OPND_SVE_Pg4_10: 4946 case AARCH64_OPND_SVE_Pg4_16: 4947 case AARCH64_OPND_SVE_Pm: 4948 case AARCH64_OPND_SVE_Pn: 4949 case AARCH64_OPND_SVE_Pt: 4950 inst_pred = inst_op; 4951 inst_pred_idx = i; 4952 break; 4953 default: 4954 break; 4955 } 4956 } 4957 4958 assert (max_elem_size != 0); 4959 aarch64_opnd_info inst_dest = inst->operands[0]; 4960 /* Determine the size that should be used to compare against the 4961 movprfx size. */ 4962 current_elem_size 4963 = opcode->constraints & C_MAX_ELEM 4964 ? max_elem_size 4965 : aarch64_get_qualifier_esize (inst_dest.qualifier); 4966 4967 /* If movprfx is predicated do some extra checks. */ 4968 if (predicated) 4969 { 4970 /* The instruction must be predicated. */ 4971 if (inst_pred_idx < 0) 4972 { 4973 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 4974 mismatch_detail->error = _("predicated instruction expected " 4975 "after `movprfx'"); 4976 mismatch_detail->index = -1; 4977 mismatch_detail->non_fatal = TRUE; 4978 res = ERR_VFI; 4979 goto done; 4980 } 4981 4982 /* The instruction must have a merging predicate. */ 4983 if (inst_pred.qualifier != AARCH64_OPND_QLF_P_M) 4984 { 4985 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 4986 mismatch_detail->error = _("merging predicate expected due " 4987 "to preceding `movprfx'"); 4988 mismatch_detail->index = inst_pred_idx; 4989 mismatch_detail->non_fatal = TRUE; 4990 res = ERR_VFI; 4991 goto done; 4992 } 4993 4994 /* The same register must be used in instruction. */ 4995 if (blk_pred.reg.regno != inst_pred.reg.regno) 4996 { 4997 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 4998 mismatch_detail->error = _("predicate register differs " 4999 "from that in preceding " 5000 "`movprfx'"); 5001 mismatch_detail->index = inst_pred_idx; 5002 mismatch_detail->non_fatal = TRUE; 5003 res = ERR_VFI; 5004 goto done; 5005 } 5006 } 5007 5008 /* Destructive operations by definition must allow one usage of the 5009 same register. */ 5010 int allowed_usage 5011 = aarch64_is_destructive_by_operands (opcode) ? 2 : 1; 5012 5013 /* Operand is not used at all. */ 5014 if (num_op_used == 0) 5015 { 5016 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 5017 mismatch_detail->error = _("output register of preceding " 5018 "`movprfx' not used in current " 5019 "instruction"); 5020 mismatch_detail->index = 0; 5021 mismatch_detail->non_fatal = TRUE; 5022 res = ERR_VFI; 5023 goto done; 5024 } 5025 5026 /* We now know it's used, now determine exactly where it's used. */ 5027 if (blk_dest.reg.regno != inst_dest.reg.regno) 5028 { 5029 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 5030 mismatch_detail->error = _("output register of preceding " 5031 "`movprfx' expected as output"); 5032 mismatch_detail->index = 0; 5033 mismatch_detail->non_fatal = TRUE; 5034 res = ERR_VFI; 5035 goto done; 5036 } 5037 5038 /* Operand used more than allowed for the specific opcode type. */ 5039 if (num_op_used > allowed_usage) 5040 { 5041 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 5042 mismatch_detail->error = _("output register of preceding " 5043 "`movprfx' used as input"); 5044 mismatch_detail->index = last_op_usage; 5045 mismatch_detail->non_fatal = TRUE; 5046 res = ERR_VFI; 5047 goto done; 5048 } 5049 5050 /* Now the only thing left is the qualifiers checks. The register 5051 must have the same maximum element size. */ 5052 if (inst_dest.qualifier 5053 && blk_dest.qualifier 5054 && current_elem_size 5055 != aarch64_get_qualifier_esize (blk_dest.qualifier)) 5056 { 5057 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR; 5058 mismatch_detail->error = _("register size not compatible with " 5059 "previous `movprfx'"); 5060 mismatch_detail->index = 0; 5061 mismatch_detail->non_fatal = TRUE; 5062 res = ERR_VFI; 5063 goto done; 5064 } 5065 } 5066 5067 done: 5068 /* Add the new instruction to the sequence. */ 5069 memcpy (insn_sequence->current_insns + insn_sequence->next_insn++, 5070 inst, sizeof (aarch64_inst)); 5071 5072 /* Check if sequence is now full. */ 5073 if (insn_sequence->next_insn >= insn_sequence->num_insns) 5074 { 5075 /* Sequence is full, but we don't have anything special to do for now, 5076 so clear and reset it. */ 5077 init_insn_sequence (NULL, insn_sequence); 5078 } 5079 } 5080 5081 return res; 5082 } 5083 5084 5085 /* Return true if VALUE cannot be moved into an SVE register using DUP 5086 (with any element size, not just ESIZE) and if using DUPM would 5087 therefore be OK. ESIZE is the number of bytes in the immediate. */ 5088 5089 bfd_boolean 5090 aarch64_sve_dupm_mov_immediate_p (uint64_t uvalue, int esize) 5091 { 5092 int64_t svalue = uvalue; 5093 uint64_t upper = (uint64_t) -1 << (esize * 4) << (esize * 4); 5094 5095 if ((uvalue & ~upper) != uvalue && (uvalue | upper) != uvalue) 5096 return FALSE; 5097 if (esize <= 4 || (uint32_t) uvalue == (uint32_t) (uvalue >> 32)) 5098 { 5099 svalue = (int32_t) uvalue; 5100 if (esize <= 2 || (uint16_t) uvalue == (uint16_t) (uvalue >> 16)) 5101 { 5102 svalue = (int16_t) uvalue; 5103 if (esize == 1 || (uint8_t) uvalue == (uint8_t) (uvalue >> 8)) 5104 return FALSE; 5105 } 5106 } 5107 if ((svalue & 0xff) == 0) 5108 svalue /= 256; 5109 return svalue < -128 || svalue >= 128; 5110 } 5111 5112 /* Include the opcode description table as well as the operand description 5113 table. */ 5114 #define VERIFIER(x) verify_##x 5115 #include "aarch64-tbl.h" 5116