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0bff6e2d69
In the instruction to write to the ARMv8.2 PSTATE field UAO, MSR UAO, #<imm>, the immediate should be either 0 or 1 but GAS accepts any unsigned 4-bit integer. This patch implements the constraint on the immediate, generating an error if the immediate operand is invalid, and adds tests for the illegal forms. opcodes/ 2016-01-20 Matthew Wahab <matthew.wahab@arm.com> * aarch64-opc.c (operand_general_constraint_met_p): Check validity of MSR UAO immediate operand. gas/ 2016-01-20 Matthew Wahab <matthew.wahab@arm.com> * testsuite/gas/aarch64/armv8_2-a-illegal.d: New. * testsuite/gas/aarch64/armv8_2-a-illegal.l: New. * testsuite/gas/aarch64/armv8_2-a-illegal.s: New. Change-Id: Ibdec4967c00b1ef3be9dbc43d23b2c70d1a0b28c
3424 lines
109 KiB
C
3424 lines
109 KiB
C
/* aarch64-opc.c -- AArch64 opcode support.
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Copyright (C) 2009-2016 Free Software Foundation, Inc.
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Contributed by ARM Ltd.
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This file is part of the GNU opcodes library.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not,
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see <http://www.gnu.org/licenses/>. */
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#include "sysdep.h"
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <inttypes.h>
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#include "opintl.h"
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#include "aarch64-opc.h"
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#ifdef DEBUG_AARCH64
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int debug_dump = FALSE;
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#endif /* DEBUG_AARCH64 */
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/* Helper functions to determine which operand to be used to encode/decode
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the size:Q fields for AdvSIMD instructions. */
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static inline bfd_boolean
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vector_qualifier_p (enum aarch64_opnd_qualifier qualifier)
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{
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return ((qualifier >= AARCH64_OPND_QLF_V_8B
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&& qualifier <= AARCH64_OPND_QLF_V_1Q) ? TRUE
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: FALSE);
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}
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static inline bfd_boolean
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fp_qualifier_p (enum aarch64_opnd_qualifier qualifier)
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{
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return ((qualifier >= AARCH64_OPND_QLF_S_B
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&& qualifier <= AARCH64_OPND_QLF_S_Q) ? TRUE
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: FALSE);
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}
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enum data_pattern
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{
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DP_UNKNOWN,
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DP_VECTOR_3SAME,
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DP_VECTOR_LONG,
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DP_VECTOR_WIDE,
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DP_VECTOR_ACROSS_LANES,
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};
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static const char significant_operand_index [] =
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{
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0, /* DP_UNKNOWN, by default using operand 0. */
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0, /* DP_VECTOR_3SAME */
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1, /* DP_VECTOR_LONG */
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2, /* DP_VECTOR_WIDE */
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1, /* DP_VECTOR_ACROSS_LANES */
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};
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/* Given a sequence of qualifiers in QUALIFIERS, determine and return
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the data pattern.
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N.B. QUALIFIERS is a possible sequence of qualifiers each of which
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corresponds to one of a sequence of operands. */
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static enum data_pattern
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get_data_pattern (const aarch64_opnd_qualifier_seq_t qualifiers)
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{
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if (vector_qualifier_p (qualifiers[0]) == TRUE)
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{
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/* e.g. v.4s, v.4s, v.4s
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or v.4h, v.4h, v.h[3]. */
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if (qualifiers[0] == qualifiers[1]
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&& vector_qualifier_p (qualifiers[2]) == TRUE
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&& (aarch64_get_qualifier_esize (qualifiers[0])
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== aarch64_get_qualifier_esize (qualifiers[1]))
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&& (aarch64_get_qualifier_esize (qualifiers[0])
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== aarch64_get_qualifier_esize (qualifiers[2])))
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return DP_VECTOR_3SAME;
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/* e.g. v.8h, v.8b, v.8b.
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or v.4s, v.4h, v.h[2].
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or v.8h, v.16b. */
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if (vector_qualifier_p (qualifiers[1]) == TRUE
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&& aarch64_get_qualifier_esize (qualifiers[0]) != 0
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&& (aarch64_get_qualifier_esize (qualifiers[0])
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== aarch64_get_qualifier_esize (qualifiers[1]) << 1))
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return DP_VECTOR_LONG;
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/* e.g. v.8h, v.8h, v.8b. */
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if (qualifiers[0] == qualifiers[1]
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&& vector_qualifier_p (qualifiers[2]) == TRUE
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&& aarch64_get_qualifier_esize (qualifiers[0]) != 0
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&& (aarch64_get_qualifier_esize (qualifiers[0])
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== aarch64_get_qualifier_esize (qualifiers[2]) << 1)
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&& (aarch64_get_qualifier_esize (qualifiers[0])
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== aarch64_get_qualifier_esize (qualifiers[1])))
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return DP_VECTOR_WIDE;
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}
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else if (fp_qualifier_p (qualifiers[0]) == TRUE)
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{
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/* e.g. SADDLV <V><d>, <Vn>.<T>. */
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if (vector_qualifier_p (qualifiers[1]) == TRUE
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&& qualifiers[2] == AARCH64_OPND_QLF_NIL)
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return DP_VECTOR_ACROSS_LANES;
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}
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return DP_UNKNOWN;
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}
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/* Select the operand to do the encoding/decoding of the 'size:Q' fields in
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the AdvSIMD instructions. */
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/* N.B. it is possible to do some optimization that doesn't call
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get_data_pattern each time when we need to select an operand. We can
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either buffer the caculated the result or statically generate the data,
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however, it is not obvious that the optimization will bring significant
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benefit. */
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int
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aarch64_select_operand_for_sizeq_field_coding (const aarch64_opcode *opcode)
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{
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return
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significant_operand_index [get_data_pattern (opcode->qualifiers_list[0])];
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}
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const aarch64_field fields[] =
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{
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{ 0, 0 }, /* NIL. */
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{ 0, 4 }, /* cond2: condition in truly conditional-executed inst. */
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{ 0, 4 }, /* nzcv: flag bit specifier, encoded in the "nzcv" field. */
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{ 5, 5 }, /* defgh: d:e:f:g:h bits in AdvSIMD modified immediate. */
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{ 16, 3 }, /* abc: a:b:c bits in AdvSIMD modified immediate. */
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{ 5, 19 }, /* imm19: e.g. in CBZ. */
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{ 5, 19 }, /* immhi: e.g. in ADRP. */
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{ 29, 2 }, /* immlo: e.g. in ADRP. */
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{ 22, 2 }, /* size: in most AdvSIMD and floating-point instructions. */
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{ 10, 2 }, /* vldst_size: size field in the AdvSIMD load/store inst. */
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{ 29, 1 }, /* op: in AdvSIMD modified immediate instructions. */
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{ 30, 1 }, /* Q: in most AdvSIMD instructions. */
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{ 0, 5 }, /* Rt: in load/store instructions. */
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{ 0, 5 }, /* Rd: in many integer instructions. */
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{ 5, 5 }, /* Rn: in many integer instructions. */
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{ 10, 5 }, /* Rt2: in load/store pair instructions. */
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{ 10, 5 }, /* Ra: in fp instructions. */
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{ 5, 3 }, /* op2: in the system instructions. */
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{ 8, 4 }, /* CRm: in the system instructions. */
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{ 12, 4 }, /* CRn: in the system instructions. */
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{ 16, 3 }, /* op1: in the system instructions. */
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{ 19, 2 }, /* op0: in the system instructions. */
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{ 10, 3 }, /* imm3: in add/sub extended reg instructions. */
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{ 12, 4 }, /* cond: condition flags as a source operand. */
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{ 12, 4 }, /* opcode: in advsimd load/store instructions. */
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{ 12, 4 }, /* cmode: in advsimd modified immediate instructions. */
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{ 13, 3 }, /* asisdlso_opcode: opcode in advsimd ld/st single element. */
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{ 13, 2 }, /* len: in advsimd tbl/tbx instructions. */
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{ 16, 5 }, /* Rm: in ld/st reg offset and some integer inst. */
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{ 16, 5 }, /* Rs: in load/store exclusive instructions. */
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{ 13, 3 }, /* option: in ld/st reg offset + add/sub extended reg inst. */
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{ 12, 1 }, /* S: in load/store reg offset instructions. */
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{ 21, 2 }, /* hw: in move wide constant instructions. */
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{ 22, 2 }, /* opc: in load/store reg offset instructions. */
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{ 23, 1 }, /* opc1: in load/store reg offset instructions. */
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{ 22, 2 }, /* shift: in add/sub reg/imm shifted instructions. */
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{ 22, 2 }, /* type: floating point type field in fp data inst. */
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{ 30, 2 }, /* ldst_size: size field in ld/st reg offset inst. */
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{ 10, 6 }, /* imm6: in add/sub reg shifted instructions. */
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{ 11, 4 }, /* imm4: in advsimd ext and advsimd ins instructions. */
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{ 16, 5 }, /* imm5: in conditional compare (immediate) instructions. */
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{ 15, 7 }, /* imm7: in load/store pair pre/post index instructions. */
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{ 13, 8 }, /* imm8: in floating-point scalar move immediate inst. */
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{ 12, 9 }, /* imm9: in load/store pre/post index instructions. */
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{ 10, 12 }, /* imm12: in ld/st unsigned imm or add/sub shifted inst. */
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{ 5, 14 }, /* imm14: in test bit and branch instructions. */
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{ 5, 16 }, /* imm16: in exception instructions. */
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{ 0, 26 }, /* imm26: in unconditional branch instructions. */
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{ 10, 6 }, /* imms: in bitfield and logical immediate instructions. */
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{ 16, 6 }, /* immr: in bitfield and logical immediate instructions. */
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{ 16, 3 }, /* immb: in advsimd shift by immediate instructions. */
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{ 19, 4 }, /* immh: in advsimd shift by immediate instructions. */
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{ 22, 1 }, /* N: in logical (immediate) instructions. */
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{ 11, 1 }, /* index: in ld/st inst deciding the pre/post-index. */
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{ 24, 1 }, /* index2: in ld/st pair inst deciding the pre/post-index. */
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{ 31, 1 }, /* sf: in integer data processing instructions. */
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{ 30, 1 }, /* lse_size: in LSE extension atomic instructions. */
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{ 11, 1 }, /* H: in advsimd scalar x indexed element instructions. */
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{ 21, 1 }, /* L: in advsimd scalar x indexed element instructions. */
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{ 20, 1 }, /* M: in advsimd scalar x indexed element instructions. */
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{ 31, 1 }, /* b5: in the test bit and branch instructions. */
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{ 19, 5 }, /* b40: in the test bit and branch instructions. */
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{ 10, 6 }, /* scale: in the fixed-point scalar to fp converting inst. */
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};
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enum aarch64_operand_class
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aarch64_get_operand_class (enum aarch64_opnd type)
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{
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return aarch64_operands[type].op_class;
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}
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const char *
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aarch64_get_operand_name (enum aarch64_opnd type)
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{
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return aarch64_operands[type].name;
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}
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/* Get operand description string.
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This is usually for the diagnosis purpose. */
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const char *
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aarch64_get_operand_desc (enum aarch64_opnd type)
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{
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return aarch64_operands[type].desc;
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}
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/* Table of all conditional affixes. */
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const aarch64_cond aarch64_conds[16] =
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{
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{{"eq"}, 0x0},
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{{"ne"}, 0x1},
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{{"cs", "hs"}, 0x2},
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{{"cc", "lo", "ul"}, 0x3},
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{{"mi"}, 0x4},
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{{"pl"}, 0x5},
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{{"vs"}, 0x6},
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{{"vc"}, 0x7},
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{{"hi"}, 0x8},
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{{"ls"}, 0x9},
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{{"ge"}, 0xa},
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{{"lt"}, 0xb},
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{{"gt"}, 0xc},
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{{"le"}, 0xd},
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{{"al"}, 0xe},
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{{"nv"}, 0xf},
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};
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const aarch64_cond *
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get_cond_from_value (aarch64_insn value)
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{
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assert (value < 16);
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return &aarch64_conds[(unsigned int) value];
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}
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const aarch64_cond *
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get_inverted_cond (const aarch64_cond *cond)
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{
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return &aarch64_conds[cond->value ^ 0x1];
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}
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/* Table describing the operand extension/shifting operators; indexed by
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enum aarch64_modifier_kind.
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The value column provides the most common values for encoding modifiers,
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which enables table-driven encoding/decoding for the modifiers. */
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const struct aarch64_name_value_pair aarch64_operand_modifiers [] =
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{
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{"none", 0x0},
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{"msl", 0x0},
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{"ror", 0x3},
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{"asr", 0x2},
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{"lsr", 0x1},
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{"lsl", 0x0},
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{"uxtb", 0x0},
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{"uxth", 0x1},
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{"uxtw", 0x2},
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{"uxtx", 0x3},
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{"sxtb", 0x4},
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{"sxth", 0x5},
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{"sxtw", 0x6},
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{"sxtx", 0x7},
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{NULL, 0},
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};
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enum aarch64_modifier_kind
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aarch64_get_operand_modifier (const struct aarch64_name_value_pair *desc)
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{
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return desc - aarch64_operand_modifiers;
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}
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aarch64_insn
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aarch64_get_operand_modifier_value (enum aarch64_modifier_kind kind)
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{
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return aarch64_operand_modifiers[kind].value;
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}
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enum aarch64_modifier_kind
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aarch64_get_operand_modifier_from_value (aarch64_insn value,
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bfd_boolean extend_p)
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{
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if (extend_p == TRUE)
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return AARCH64_MOD_UXTB + value;
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else
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return AARCH64_MOD_LSL - value;
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}
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bfd_boolean
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aarch64_extend_operator_p (enum aarch64_modifier_kind kind)
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{
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return (kind > AARCH64_MOD_LSL && kind <= AARCH64_MOD_SXTX)
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? TRUE : FALSE;
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}
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static inline bfd_boolean
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aarch64_shift_operator_p (enum aarch64_modifier_kind kind)
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{
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return (kind >= AARCH64_MOD_ROR && kind <= AARCH64_MOD_LSL)
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? TRUE : FALSE;
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}
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const struct aarch64_name_value_pair aarch64_barrier_options[16] =
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{
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{ "#0x00", 0x0 },
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{ "oshld", 0x1 },
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{ "oshst", 0x2 },
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{ "osh", 0x3 },
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{ "#0x04", 0x4 },
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{ "nshld", 0x5 },
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{ "nshst", 0x6 },
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{ "nsh", 0x7 },
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{ "#0x08", 0x8 },
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{ "ishld", 0x9 },
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{ "ishst", 0xa },
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{ "ish", 0xb },
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{ "#0x0c", 0xc },
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{ "ld", 0xd },
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{ "st", 0xe },
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{ "sy", 0xf },
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};
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/* Table describing the operands supported by the aliases of the HINT
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instruction.
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The name column is the operand that is accepted for the alias. The value
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column is the hint number of the alias. The list of operands is terminated
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by NULL in the name column. */
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const struct aarch64_name_value_pair aarch64_hint_options[] =
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{
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{ "csync", 0x11 }, /* PSB CSYNC. */
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{ NULL, 0x0 },
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};
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/* op -> op: load = 0 instruction = 1 store = 2
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l -> level: 1-3
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t -> temporal: temporal (retained) = 0 non-temporal (streaming) = 1 */
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#define B(op,l,t) (((op) << 3) | (((l) - 1) << 1) | (t))
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const struct aarch64_name_value_pair aarch64_prfops[32] =
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{
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{ "pldl1keep", B(0, 1, 0) },
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{ "pldl1strm", B(0, 1, 1) },
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{ "pldl2keep", B(0, 2, 0) },
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{ "pldl2strm", B(0, 2, 1) },
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{ "pldl3keep", B(0, 3, 0) },
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{ "pldl3strm", B(0, 3, 1) },
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{ NULL, 0x06 },
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{ NULL, 0x07 },
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{ "plil1keep", B(1, 1, 0) },
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{ "plil1strm", B(1, 1, 1) },
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{ "plil2keep", B(1, 2, 0) },
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{ "plil2strm", B(1, 2, 1) },
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{ "plil3keep", B(1, 3, 0) },
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{ "plil3strm", B(1, 3, 1) },
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{ NULL, 0x0e },
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{ NULL, 0x0f },
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{ "pstl1keep", B(2, 1, 0) },
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{ "pstl1strm", B(2, 1, 1) },
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{ "pstl2keep", B(2, 2, 0) },
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{ "pstl2strm", B(2, 2, 1) },
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{ "pstl3keep", B(2, 3, 0) },
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{ "pstl3strm", B(2, 3, 1) },
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{ NULL, 0x16 },
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{ NULL, 0x17 },
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{ NULL, 0x18 },
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{ NULL, 0x19 },
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{ NULL, 0x1a },
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{ NULL, 0x1b },
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{ NULL, 0x1c },
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{ NULL, 0x1d },
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{ NULL, 0x1e },
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{ NULL, 0x1f },
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||
};
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#undef B
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||
|
||
/* Utilities on value constraint. */
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|
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static inline int
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value_in_range_p (int64_t value, int low, int high)
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{
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return (value >= low && value <= high) ? 1 : 0;
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}
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|
||
static inline int
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value_aligned_p (int64_t value, int align)
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||
{
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||
return ((value & (align - 1)) == 0) ? 1 : 0;
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||
}
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|
||
/* A signed value fits in a field. */
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static inline int
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value_fit_signed_field_p (int64_t value, unsigned width)
|
||
{
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||
assert (width < 32);
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||
if (width < sizeof (value) * 8)
|
||
{
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||
int64_t lim = (int64_t)1 << (width - 1);
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if (value >= -lim && value < lim)
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return 1;
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}
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return 0;
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}
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|
||
/* An unsigned value fits in a field. */
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static inline int
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value_fit_unsigned_field_p (int64_t value, unsigned width)
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{
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||
assert (width < 32);
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||
if (width < sizeof (value) * 8)
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||
{
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||
int64_t lim = (int64_t)1 << width;
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||
if (value >= 0 && value < lim)
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return 1;
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||
}
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return 0;
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||
}
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|
||
/* Return 1 if OPERAND is SP or WSP. */
|
||
int
|
||
aarch64_stack_pointer_p (const aarch64_opnd_info *operand)
|
||
{
|
||
return ((aarch64_get_operand_class (operand->type)
|
||
== AARCH64_OPND_CLASS_INT_REG)
|
||
&& operand_maybe_stack_pointer (aarch64_operands + operand->type)
|
||
&& operand->reg.regno == 31);
|
||
}
|
||
|
||
/* Return 1 if OPERAND is XZR or WZP. */
|
||
int
|
||
aarch64_zero_register_p (const aarch64_opnd_info *operand)
|
||
{
|
||
return ((aarch64_get_operand_class (operand->type)
|
||
== AARCH64_OPND_CLASS_INT_REG)
|
||
&& !operand_maybe_stack_pointer (aarch64_operands + operand->type)
|
||
&& operand->reg.regno == 31);
|
||
}
|
||
|
||
/* Return true if the operand *OPERAND that has the operand code
|
||
OPERAND->TYPE and been qualified by OPERAND->QUALIFIER can be also
|
||
qualified by the qualifier TARGET. */
|
||
|
||
static inline int
|
||
operand_also_qualified_p (const struct aarch64_opnd_info *operand,
|
||
aarch64_opnd_qualifier_t target)
|
||
{
|
||
switch (operand->qualifier)
|
||
{
|
||
case AARCH64_OPND_QLF_W:
|
||
if (target == AARCH64_OPND_QLF_WSP && aarch64_stack_pointer_p (operand))
|
||
return 1;
|
||
break;
|
||
case AARCH64_OPND_QLF_X:
|
||
if (target == AARCH64_OPND_QLF_SP && aarch64_stack_pointer_p (operand))
|
||
return 1;
|
||
break;
|
||
case AARCH64_OPND_QLF_WSP:
|
||
if (target == AARCH64_OPND_QLF_W
|
||
&& operand_maybe_stack_pointer (aarch64_operands + operand->type))
|
||
return 1;
|
||
break;
|
||
case AARCH64_OPND_QLF_SP:
|
||
if (target == AARCH64_OPND_QLF_X
|
||
&& operand_maybe_stack_pointer (aarch64_operands + operand->type))
|
||
return 1;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/* Given qualifier sequence list QSEQ_LIST and the known qualifier KNOWN_QLF
|
||
for operand KNOWN_IDX, return the expected qualifier for operand IDX.
|
||
|
||
Return NIL if more than one expected qualifiers are found. */
|
||
|
||
aarch64_opnd_qualifier_t
|
||
aarch64_get_expected_qualifier (const aarch64_opnd_qualifier_seq_t *qseq_list,
|
||
int idx,
|
||
const aarch64_opnd_qualifier_t known_qlf,
|
||
int known_idx)
|
||
{
|
||
int i, saved_i;
|
||
|
||
/* Special case.
|
||
|
||
When the known qualifier is NIL, we have to assume that there is only
|
||
one qualifier sequence in the *QSEQ_LIST and return the corresponding
|
||
qualifier directly. One scenario is that for instruction
|
||
PRFM <prfop>, [<Xn|SP>, #:lo12:<symbol>]
|
||
which has only one possible valid qualifier sequence
|
||
NIL, S_D
|
||
the caller may pass NIL in KNOWN_QLF to obtain S_D so that it can
|
||
determine the correct relocation type (i.e. LDST64_LO12) for PRFM.
|
||
|
||
Because the qualifier NIL has dual roles in the qualifier sequence:
|
||
it can mean no qualifier for the operand, or the qualifer sequence is
|
||
not in use (when all qualifiers in the sequence are NILs), we have to
|
||
handle this special case here. */
|
||
if (known_qlf == AARCH64_OPND_NIL)
|
||
{
|
||
assert (qseq_list[0][known_idx] == AARCH64_OPND_NIL);
|
||
return qseq_list[0][idx];
|
||
}
|
||
|
||
for (i = 0, saved_i = -1; i < AARCH64_MAX_QLF_SEQ_NUM; ++i)
|
||
{
|
||
if (qseq_list[i][known_idx] == known_qlf)
|
||
{
|
||
if (saved_i != -1)
|
||
/* More than one sequences are found to have KNOWN_QLF at
|
||
KNOWN_IDX. */
|
||
return AARCH64_OPND_NIL;
|
||
saved_i = i;
|
||
}
|
||
}
|
||
|
||
return qseq_list[saved_i][idx];
|
||
}
|
||
|
||
enum operand_qualifier_kind
|
||
{
|
||
OQK_NIL,
|
||
OQK_OPD_VARIANT,
|
||
OQK_VALUE_IN_RANGE,
|
||
OQK_MISC,
|
||
};
|
||
|
||
/* Operand qualifier description. */
|
||
struct operand_qualifier_data
|
||
{
|
||
/* The usage of the three data fields depends on the qualifier kind. */
|
||
int data0;
|
||
int data1;
|
||
int data2;
|
||
/* Description. */
|
||
const char *desc;
|
||
/* Kind. */
|
||
enum operand_qualifier_kind kind;
|
||
};
|
||
|
||
/* Indexed by the operand qualifier enumerators. */
|
||
struct operand_qualifier_data aarch64_opnd_qualifiers[] =
|
||
{
|
||
{0, 0, 0, "NIL", OQK_NIL},
|
||
|
||
/* Operand variant qualifiers.
|
||
First 3 fields:
|
||
element size, number of elements and common value for encoding. */
|
||
|
||
{4, 1, 0x0, "w", OQK_OPD_VARIANT},
|
||
{8, 1, 0x1, "x", OQK_OPD_VARIANT},
|
||
{4, 1, 0x0, "wsp", OQK_OPD_VARIANT},
|
||
{8, 1, 0x1, "sp", OQK_OPD_VARIANT},
|
||
|
||
{1, 1, 0x0, "b", OQK_OPD_VARIANT},
|
||
{2, 1, 0x1, "h", OQK_OPD_VARIANT},
|
||
{4, 1, 0x2, "s", OQK_OPD_VARIANT},
|
||
{8, 1, 0x3, "d", OQK_OPD_VARIANT},
|
||
{16, 1, 0x4, "q", OQK_OPD_VARIANT},
|
||
|
||
{1, 8, 0x0, "8b", OQK_OPD_VARIANT},
|
||
{1, 16, 0x1, "16b", OQK_OPD_VARIANT},
|
||
{2, 2, 0x0, "2h", OQK_OPD_VARIANT},
|
||
{2, 4, 0x2, "4h", OQK_OPD_VARIANT},
|
||
{2, 8, 0x3, "8h", OQK_OPD_VARIANT},
|
||
{4, 2, 0x4, "2s", OQK_OPD_VARIANT},
|
||
{4, 4, 0x5, "4s", OQK_OPD_VARIANT},
|
||
{8, 1, 0x6, "1d", OQK_OPD_VARIANT},
|
||
{8, 2, 0x7, "2d", OQK_OPD_VARIANT},
|
||
{16, 1, 0x8, "1q", OQK_OPD_VARIANT},
|
||
|
||
/* Qualifiers constraining the value range.
|
||
First 3 fields:
|
||
Lower bound, higher bound, unused. */
|
||
|
||
{0, 7, 0, "imm_0_7" , OQK_VALUE_IN_RANGE},
|
||
{0, 15, 0, "imm_0_15", OQK_VALUE_IN_RANGE},
|
||
{0, 31, 0, "imm_0_31", OQK_VALUE_IN_RANGE},
|
||
{0, 63, 0, "imm_0_63", OQK_VALUE_IN_RANGE},
|
||
{1, 32, 0, "imm_1_32", OQK_VALUE_IN_RANGE},
|
||
{1, 64, 0, "imm_1_64", OQK_VALUE_IN_RANGE},
|
||
|
||
/* Qualifiers for miscellaneous purpose.
|
||
First 3 fields:
|
||
unused, unused and unused. */
|
||
|
||
{0, 0, 0, "lsl", 0},
|
||
{0, 0, 0, "msl", 0},
|
||
|
||
{0, 0, 0, "retrieving", 0},
|
||
};
|
||
|
||
static inline bfd_boolean
|
||
operand_variant_qualifier_p (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
return (aarch64_opnd_qualifiers[qualifier].kind == OQK_OPD_VARIANT)
|
||
? TRUE : FALSE;
|
||
}
|
||
|
||
static inline bfd_boolean
|
||
qualifier_value_in_range_constraint_p (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
return (aarch64_opnd_qualifiers[qualifier].kind == OQK_VALUE_IN_RANGE)
|
||
? TRUE : FALSE;
|
||
}
|
||
|
||
const char*
|
||
aarch64_get_qualifier_name (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
return aarch64_opnd_qualifiers[qualifier].desc;
|
||
}
|
||
|
||
/* Given an operand qualifier, return the expected data element size
|
||
of a qualified operand. */
|
||
unsigned char
|
||
aarch64_get_qualifier_esize (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
assert (operand_variant_qualifier_p (qualifier) == TRUE);
|
||
return aarch64_opnd_qualifiers[qualifier].data0;
|
||
}
|
||
|
||
unsigned char
|
||
aarch64_get_qualifier_nelem (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
assert (operand_variant_qualifier_p (qualifier) == TRUE);
|
||
return aarch64_opnd_qualifiers[qualifier].data1;
|
||
}
|
||
|
||
aarch64_insn
|
||
aarch64_get_qualifier_standard_value (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
assert (operand_variant_qualifier_p (qualifier) == TRUE);
|
||
return aarch64_opnd_qualifiers[qualifier].data2;
|
||
}
|
||
|
||
static int
|
||
get_lower_bound (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
|
||
return aarch64_opnd_qualifiers[qualifier].data0;
|
||
}
|
||
|
||
static int
|
||
get_upper_bound (aarch64_opnd_qualifier_t qualifier)
|
||
{
|
||
assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
|
||
return aarch64_opnd_qualifiers[qualifier].data1;
|
||
}
|
||
|
||
#ifdef DEBUG_AARCH64
|
||
void
|
||
aarch64_verbose (const char *str, ...)
|
||
{
|
||
va_list ap;
|
||
va_start (ap, str);
|
||
printf ("#### ");
|
||
vprintf (str, ap);
|
||
printf ("\n");
|
||
va_end (ap);
|
||
}
|
||
|
||
static inline void
|
||
dump_qualifier_sequence (const aarch64_opnd_qualifier_t *qualifier)
|
||
{
|
||
int i;
|
||
printf ("#### \t");
|
||
for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i, ++qualifier)
|
||
printf ("%s,", aarch64_get_qualifier_name (*qualifier));
|
||
printf ("\n");
|
||
}
|
||
|
||
static void
|
||
dump_match_qualifiers (const struct aarch64_opnd_info *opnd,
|
||
const aarch64_opnd_qualifier_t *qualifier)
|
||
{
|
||
int i;
|
||
aarch64_opnd_qualifier_t curr[AARCH64_MAX_OPND_NUM];
|
||
|
||
aarch64_verbose ("dump_match_qualifiers:");
|
||
for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
|
||
curr[i] = opnd[i].qualifier;
|
||
dump_qualifier_sequence (curr);
|
||
aarch64_verbose ("against");
|
||
dump_qualifier_sequence (qualifier);
|
||
}
|
||
#endif /* DEBUG_AARCH64 */
|
||
|
||
/* TODO improve this, we can have an extra field at the runtime to
|
||
store the number of operands rather than calculating it every time. */
|
||
|
||
int
|
||
aarch64_num_of_operands (const aarch64_opcode *opcode)
|
||
{
|
||
int i = 0;
|
||
const enum aarch64_opnd *opnds = opcode->operands;
|
||
while (opnds[i++] != AARCH64_OPND_NIL)
|
||
;
|
||
--i;
|
||
assert (i >= 0 && i <= AARCH64_MAX_OPND_NUM);
|
||
return i;
|
||
}
|
||
|
||
/* Find the best matched qualifier sequence in *QUALIFIERS_LIST for INST.
|
||
If succeeds, fill the found sequence in *RET, return 1; otherwise return 0.
|
||
|
||
N.B. on the entry, it is very likely that only some operands in *INST
|
||
have had their qualifiers been established.
|
||
|
||
If STOP_AT is not -1, the function will only try to match
|
||
the qualifier sequence for operands before and including the operand
|
||
of index STOP_AT; and on success *RET will only be filled with the first
|
||
(STOP_AT+1) qualifiers.
|
||
|
||
A couple examples of the matching algorithm:
|
||
|
||
X,W,NIL should match
|
||
X,W,NIL
|
||
|
||
NIL,NIL should match
|
||
X ,NIL
|
||
|
||
Apart from serving the main encoding routine, this can also be called
|
||
during or after the operand decoding. */
|
||
|
||
int
|
||
aarch64_find_best_match (const aarch64_inst *inst,
|
||
const aarch64_opnd_qualifier_seq_t *qualifiers_list,
|
||
int stop_at, aarch64_opnd_qualifier_t *ret)
|
||
{
|
||
int found = 0;
|
||
int i, num_opnds;
|
||
const aarch64_opnd_qualifier_t *qualifiers;
|
||
|
||
num_opnds = aarch64_num_of_operands (inst->opcode);
|
||
if (num_opnds == 0)
|
||
{
|
||
DEBUG_TRACE ("SUCCEED: no operand");
|
||
return 1;
|
||
}
|
||
|
||
if (stop_at < 0 || stop_at >= num_opnds)
|
||
stop_at = num_opnds - 1;
|
||
|
||
/* For each pattern. */
|
||
for (i = 0; i < AARCH64_MAX_QLF_SEQ_NUM; ++i, ++qualifiers_list)
|
||
{
|
||
int j;
|
||
qualifiers = *qualifiers_list;
|
||
|
||
/* Start as positive. */
|
||
found = 1;
|
||
|
||
DEBUG_TRACE ("%d", i);
|
||
#ifdef DEBUG_AARCH64
|
||
if (debug_dump)
|
||
dump_match_qualifiers (inst->operands, qualifiers);
|
||
#endif
|
||
|
||
/* Most opcodes has much fewer patterns in the list.
|
||
First NIL qualifier indicates the end in the list. */
|
||
if (empty_qualifier_sequence_p (qualifiers) == TRUE)
|
||
{
|
||
DEBUG_TRACE_IF (i == 0, "SUCCEED: empty qualifier list");
|
||
if (i)
|
||
found = 0;
|
||
break;
|
||
}
|
||
|
||
for (j = 0; j < num_opnds && j <= stop_at; ++j, ++qualifiers)
|
||
{
|
||
if (inst->operands[j].qualifier == AARCH64_OPND_QLF_NIL)
|
||
{
|
||
/* Either the operand does not have qualifier, or the qualifier
|
||
for the operand needs to be deduced from the qualifier
|
||
sequence.
|
||
In the latter case, any constraint checking related with
|
||
the obtained qualifier should be done later in
|
||
operand_general_constraint_met_p. */
|
||
continue;
|
||
}
|
||
else if (*qualifiers != inst->operands[j].qualifier)
|
||
{
|
||
/* Unless the target qualifier can also qualify the operand
|
||
(which has already had a non-nil qualifier), non-equal
|
||
qualifiers are generally un-matched. */
|
||
if (operand_also_qualified_p (inst->operands + j, *qualifiers))
|
||
continue;
|
||
else
|
||
{
|
||
found = 0;
|
||
break;
|
||
}
|
||
}
|
||
else
|
||
continue; /* Equal qualifiers are certainly matched. */
|
||
}
|
||
|
||
/* Qualifiers established. */
|
||
if (found == 1)
|
||
break;
|
||
}
|
||
|
||
if (found == 1)
|
||
{
|
||
/* Fill the result in *RET. */
|
||
int j;
|
||
qualifiers = *qualifiers_list;
|
||
|
||
DEBUG_TRACE ("complete qualifiers using list %d", i);
|
||
#ifdef DEBUG_AARCH64
|
||
if (debug_dump)
|
||
dump_qualifier_sequence (qualifiers);
|
||
#endif
|
||
|
||
for (j = 0; j <= stop_at; ++j, ++qualifiers)
|
||
ret[j] = *qualifiers;
|
||
for (; j < AARCH64_MAX_OPND_NUM; ++j)
|
||
ret[j] = AARCH64_OPND_QLF_NIL;
|
||
|
||
DEBUG_TRACE ("SUCCESS");
|
||
return 1;
|
||
}
|
||
|
||
DEBUG_TRACE ("FAIL");
|
||
return 0;
|
||
}
|
||
|
||
/* Operand qualifier matching and resolving.
|
||
|
||
Return 1 if the operand qualifier(s) in *INST match one of the qualifier
|
||
sequences in INST->OPCODE->qualifiers_list; otherwise return 0.
|
||
|
||
if UPDATE_P == TRUE, update the qualifier(s) in *INST after the matching
|
||
succeeds. */
|
||
|
||
static int
|
||
match_operands_qualifier (aarch64_inst *inst, bfd_boolean update_p)
|
||
{
|
||
int i;
|
||
aarch64_opnd_qualifier_seq_t qualifiers;
|
||
|
||
if (!aarch64_find_best_match (inst, inst->opcode->qualifiers_list, -1,
|
||
qualifiers))
|
||
{
|
||
DEBUG_TRACE ("matching FAIL");
|
||
return 0;
|
||
}
|
||
|
||
/* Update the qualifiers. */
|
||
if (update_p == TRUE)
|
||
for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
|
||
{
|
||
if (inst->opcode->operands[i] == AARCH64_OPND_NIL)
|
||
break;
|
||
DEBUG_TRACE_IF (inst->operands[i].qualifier != qualifiers[i],
|
||
"update %s with %s for operand %d",
|
||
aarch64_get_qualifier_name (inst->operands[i].qualifier),
|
||
aarch64_get_qualifier_name (qualifiers[i]), i);
|
||
inst->operands[i].qualifier = qualifiers[i];
|
||
}
|
||
|
||
DEBUG_TRACE ("matching SUCCESS");
|
||
return 1;
|
||
}
|
||
|
||
/* Return TRUE if VALUE is a wide constant that can be moved into a general
|
||
register by MOVZ.
|
||
|
||
IS32 indicates whether value is a 32-bit immediate or not.
|
||
If SHIFT_AMOUNT is not NULL, on the return of TRUE, the logical left shift
|
||
amount will be returned in *SHIFT_AMOUNT. */
|
||
|
||
bfd_boolean
|
||
aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount)
|
||
{
|
||
int amount;
|
||
|
||
DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
|
||
|
||
if (is32)
|
||
{
|
||
/* Allow all zeros or all ones in top 32-bits, so that
|
||
32-bit constant expressions like ~0x80000000 are
|
||
permitted. */
|
||
uint64_t ext = value;
|
||
if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff)
|
||
/* Immediate out of range. */
|
||
return FALSE;
|
||
value &= (int64_t) 0xffffffff;
|
||
}
|
||
|
||
/* first, try movz then movn */
|
||
amount = -1;
|
||
if ((value & ((int64_t) 0xffff << 0)) == value)
|
||
amount = 0;
|
||
else if ((value & ((int64_t) 0xffff << 16)) == value)
|
||
amount = 16;
|
||
else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value)
|
||
amount = 32;
|
||
else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value)
|
||
amount = 48;
|
||
|
||
if (amount == -1)
|
||
{
|
||
DEBUG_TRACE ("exit FALSE with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
|
||
return FALSE;
|
||
}
|
||
|
||
if (shift_amount != NULL)
|
||
*shift_amount = amount;
|
||
|
||
DEBUG_TRACE ("exit TRUE with amount %d", amount);
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
/* Build the accepted values for immediate logical SIMD instructions.
|
||
|
||
The standard encodings of the immediate value are:
|
||
N imms immr SIMD size R S
|
||
1 ssssss rrrrrr 64 UInt(rrrrrr) UInt(ssssss)
|
||
0 0sssss 0rrrrr 32 UInt(rrrrr) UInt(sssss)
|
||
0 10ssss 00rrrr 16 UInt(rrrr) UInt(ssss)
|
||
0 110sss 000rrr 8 UInt(rrr) UInt(sss)
|
||
0 1110ss 0000rr 4 UInt(rr) UInt(ss)
|
||
0 11110s 00000r 2 UInt(r) UInt(s)
|
||
where all-ones value of S is reserved.
|
||
|
||
Let's call E the SIMD size.
|
||
|
||
The immediate value is: S+1 bits '1' rotated to the right by R.
|
||
|
||
The total of valid encodings is 64*63 + 32*31 + ... + 2*1 = 5334
|
||
(remember S != E - 1). */
|
||
|
||
#define TOTAL_IMM_NB 5334
|
||
|
||
typedef struct
|
||
{
|
||
uint64_t imm;
|
||
aarch64_insn encoding;
|
||
} simd_imm_encoding;
|
||
|
||
static simd_imm_encoding simd_immediates[TOTAL_IMM_NB];
|
||
|
||
static int
|
||
simd_imm_encoding_cmp(const void *i1, const void *i2)
|
||
{
|
||
const simd_imm_encoding *imm1 = (const simd_imm_encoding *)i1;
|
||
const simd_imm_encoding *imm2 = (const simd_imm_encoding *)i2;
|
||
|
||
if (imm1->imm < imm2->imm)
|
||
return -1;
|
||
if (imm1->imm > imm2->imm)
|
||
return +1;
|
||
return 0;
|
||
}
|
||
|
||
/* immediate bitfield standard encoding
|
||
imm13<12> imm13<5:0> imm13<11:6> SIMD size R S
|
||
1 ssssss rrrrrr 64 rrrrrr ssssss
|
||
0 0sssss 0rrrrr 32 rrrrr sssss
|
||
0 10ssss 00rrrr 16 rrrr ssss
|
||
0 110sss 000rrr 8 rrr sss
|
||
0 1110ss 0000rr 4 rr ss
|
||
0 11110s 00000r 2 r s */
|
||
static inline int
|
||
encode_immediate_bitfield (int is64, uint32_t s, uint32_t r)
|
||
{
|
||
return (is64 << 12) | (r << 6) | s;
|
||
}
|
||
|
||
static void
|
||
build_immediate_table (void)
|
||
{
|
||
uint32_t log_e, e, s, r, s_mask;
|
||
uint64_t mask, imm;
|
||
int nb_imms;
|
||
int is64;
|
||
|
||
nb_imms = 0;
|
||
for (log_e = 1; log_e <= 6; log_e++)
|
||
{
|
||
/* Get element size. */
|
||
e = 1u << log_e;
|
||
if (log_e == 6)
|
||
{
|
||
is64 = 1;
|
||
mask = 0xffffffffffffffffull;
|
||
s_mask = 0;
|
||
}
|
||
else
|
||
{
|
||
is64 = 0;
|
||
mask = (1ull << e) - 1;
|
||
/* log_e s_mask
|
||
1 ((1 << 4) - 1) << 2 = 111100
|
||
2 ((1 << 3) - 1) << 3 = 111000
|
||
3 ((1 << 2) - 1) << 4 = 110000
|
||
4 ((1 << 1) - 1) << 5 = 100000
|
||
5 ((1 << 0) - 1) << 6 = 000000 */
|
||
s_mask = ((1u << (5 - log_e)) - 1) << (log_e + 1);
|
||
}
|
||
for (s = 0; s < e - 1; s++)
|
||
for (r = 0; r < e; r++)
|
||
{
|
||
/* s+1 consecutive bits to 1 (s < 63) */
|
||
imm = (1ull << (s + 1)) - 1;
|
||
/* rotate right by r */
|
||
if (r != 0)
|
||
imm = (imm >> r) | ((imm << (e - r)) & mask);
|
||
/* replicate the constant depending on SIMD size */
|
||
switch (log_e)
|
||
{
|
||
case 1: imm = (imm << 2) | imm;
|
||
case 2: imm = (imm << 4) | imm;
|
||
case 3: imm = (imm << 8) | imm;
|
||
case 4: imm = (imm << 16) | imm;
|
||
case 5: imm = (imm << 32) | imm;
|
||
case 6: break;
|
||
default: abort ();
|
||
}
|
||
simd_immediates[nb_imms].imm = imm;
|
||
simd_immediates[nb_imms].encoding =
|
||
encode_immediate_bitfield(is64, s | s_mask, r);
|
||
nb_imms++;
|
||
}
|
||
}
|
||
assert (nb_imms == TOTAL_IMM_NB);
|
||
qsort(simd_immediates, nb_imms,
|
||
sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
|
||
}
|
||
|
||
/* Return TRUE if VALUE is a valid logical immediate, i.e. bitmask, that can
|
||
be accepted by logical (immediate) instructions
|
||
e.g. ORR <Xd|SP>, <Xn>, #<imm>.
|
||
|
||
IS32 indicates whether or not VALUE is a 32-bit immediate.
|
||
If ENCODING is not NULL, on the return of TRUE, the standard encoding for
|
||
VALUE will be returned in *ENCODING. */
|
||
|
||
bfd_boolean
|
||
aarch64_logical_immediate_p (uint64_t value, int is32, aarch64_insn *encoding)
|
||
{
|
||
simd_imm_encoding imm_enc;
|
||
const simd_imm_encoding *imm_encoding;
|
||
static bfd_boolean initialized = FALSE;
|
||
|
||
DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 "), is32: %d", value,
|
||
value, is32);
|
||
|
||
if (initialized == FALSE)
|
||
{
|
||
build_immediate_table ();
|
||
initialized = TRUE;
|
||
}
|
||
|
||
if (is32)
|
||
{
|
||
/* Allow all zeros or all ones in top 32-bits, so that
|
||
constant expressions like ~1 are permitted. */
|
||
if (value >> 32 != 0 && value >> 32 != 0xffffffff)
|
||
return FALSE;
|
||
|
||
/* Replicate the 32 lower bits to the 32 upper bits. */
|
||
value &= 0xffffffff;
|
||
value |= value << 32;
|
||
}
|
||
|
||
imm_enc.imm = value;
|
||
imm_encoding = (const simd_imm_encoding *)
|
||
bsearch(&imm_enc, simd_immediates, TOTAL_IMM_NB,
|
||
sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
|
||
if (imm_encoding == NULL)
|
||
{
|
||
DEBUG_TRACE ("exit with FALSE");
|
||
return FALSE;
|
||
}
|
||
if (encoding != NULL)
|
||
*encoding = imm_encoding->encoding;
|
||
DEBUG_TRACE ("exit with TRUE");
|
||
return TRUE;
|
||
}
|
||
|
||
/* If 64-bit immediate IMM is in the format of
|
||
"aaaaaaaabbbbbbbbccccccccddddddddeeeeeeeeffffffffgggggggghhhhhhhh",
|
||
where a, b, c, d, e, f, g and h are independently 0 or 1, return an integer
|
||
of value "abcdefgh". Otherwise return -1. */
|
||
int
|
||
aarch64_shrink_expanded_imm8 (uint64_t imm)
|
||
{
|
||
int i, ret;
|
||
uint32_t byte;
|
||
|
||
ret = 0;
|
||
for (i = 0; i < 8; i++)
|
||
{
|
||
byte = (imm >> (8 * i)) & 0xff;
|
||
if (byte == 0xff)
|
||
ret |= 1 << i;
|
||
else if (byte != 0x00)
|
||
return -1;
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
/* Utility inline functions for operand_general_constraint_met_p. */
|
||
|
||
static inline void
|
||
set_error (aarch64_operand_error *mismatch_detail,
|
||
enum aarch64_operand_error_kind kind, int idx,
|
||
const char* error)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
mismatch_detail->kind = kind;
|
||
mismatch_detail->index = idx;
|
||
mismatch_detail->error = error;
|
||
}
|
||
|
||
static inline void
|
||
set_syntax_error (aarch64_operand_error *mismatch_detail, int idx,
|
||
const char* error)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_error (mismatch_detail, AARCH64_OPDE_SYNTAX_ERROR, idx, error);
|
||
}
|
||
|
||
static inline void
|
||
set_out_of_range_error (aarch64_operand_error *mismatch_detail,
|
||
int idx, int lower_bound, int upper_bound,
|
||
const char* error)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_error (mismatch_detail, AARCH64_OPDE_OUT_OF_RANGE, idx, error);
|
||
mismatch_detail->data[0] = lower_bound;
|
||
mismatch_detail->data[1] = upper_bound;
|
||
}
|
||
|
||
static inline void
|
||
set_imm_out_of_range_error (aarch64_operand_error *mismatch_detail,
|
||
int idx, int lower_bound, int upper_bound)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
|
||
_("immediate value"));
|
||
}
|
||
|
||
static inline void
|
||
set_offset_out_of_range_error (aarch64_operand_error *mismatch_detail,
|
||
int idx, int lower_bound, int upper_bound)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
|
||
_("immediate offset"));
|
||
}
|
||
|
||
static inline void
|
||
set_regno_out_of_range_error (aarch64_operand_error *mismatch_detail,
|
||
int idx, int lower_bound, int upper_bound)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
|
||
_("register number"));
|
||
}
|
||
|
||
static inline void
|
||
set_elem_idx_out_of_range_error (aarch64_operand_error *mismatch_detail,
|
||
int idx, int lower_bound, int upper_bound)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
|
||
_("register element index"));
|
||
}
|
||
|
||
static inline void
|
||
set_sft_amount_out_of_range_error (aarch64_operand_error *mismatch_detail,
|
||
int idx, int lower_bound, int upper_bound)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
|
||
_("shift amount"));
|
||
}
|
||
|
||
static inline void
|
||
set_unaligned_error (aarch64_operand_error *mismatch_detail, int idx,
|
||
int alignment)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_error (mismatch_detail, AARCH64_OPDE_UNALIGNED, idx, NULL);
|
||
mismatch_detail->data[0] = alignment;
|
||
}
|
||
|
||
static inline void
|
||
set_reg_list_error (aarch64_operand_error *mismatch_detail, int idx,
|
||
int expected_num)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_error (mismatch_detail, AARCH64_OPDE_REG_LIST, idx, NULL);
|
||
mismatch_detail->data[0] = expected_num;
|
||
}
|
||
|
||
static inline void
|
||
set_other_error (aarch64_operand_error *mismatch_detail, int idx,
|
||
const char* error)
|
||
{
|
||
if (mismatch_detail == NULL)
|
||
return;
|
||
set_error (mismatch_detail, AARCH64_OPDE_OTHER_ERROR, idx, error);
|
||
}
|
||
|
||
/* General constraint checking based on operand code.
|
||
|
||
Return 1 if OPNDS[IDX] meets the general constraint of operand code TYPE
|
||
as the IDXth operand of opcode OPCODE. Otherwise return 0.
|
||
|
||
This function has to be called after the qualifiers for all operands
|
||
have been resolved.
|
||
|
||
Mismatching error message is returned in *MISMATCH_DETAIL upon request,
|
||
i.e. when MISMATCH_DETAIL is non-NULL. This avoids the generation
|
||
of error message during the disassembling where error message is not
|
||
wanted. We avoid the dynamic construction of strings of error messages
|
||
here (i.e. in libopcodes), as it is costly and complicated; instead, we
|
||
use a combination of error code, static string and some integer data to
|
||
represent an error. */
|
||
|
||
static int
|
||
operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
|
||
enum aarch64_opnd type,
|
||
const aarch64_opcode *opcode,
|
||
aarch64_operand_error *mismatch_detail)
|
||
{
|
||
unsigned num;
|
||
unsigned char size;
|
||
int64_t imm;
|
||
const aarch64_opnd_info *opnd = opnds + idx;
|
||
aarch64_opnd_qualifier_t qualifier = opnd->qualifier;
|
||
|
||
assert (opcode->operands[idx] == opnd->type && opnd->type == type);
|
||
|
||
switch (aarch64_operands[type].op_class)
|
||
{
|
||
case AARCH64_OPND_CLASS_INT_REG:
|
||
/* Check pair reg constraints for cas* instructions. */
|
||
if (type == AARCH64_OPND_PAIRREG)
|
||
{
|
||
assert (idx == 1 || idx == 3);
|
||
if (opnds[idx - 1].reg.regno % 2 != 0)
|
||
{
|
||
set_syntax_error (mismatch_detail, idx - 1,
|
||
_("reg pair must start from even reg"));
|
||
return 0;
|
||
}
|
||
if (opnds[idx].reg.regno != opnds[idx - 1].reg.regno + 1)
|
||
{
|
||
set_syntax_error (mismatch_detail, idx,
|
||
_("reg pair must be contiguous"));
|
||
return 0;
|
||
}
|
||
break;
|
||
}
|
||
|
||
/* <Xt> may be optional in some IC and TLBI instructions. */
|
||
if (type == AARCH64_OPND_Rt_SYS)
|
||
{
|
||
assert (idx == 1 && (aarch64_get_operand_class (opnds[0].type)
|
||
== AARCH64_OPND_CLASS_SYSTEM));
|
||
if (opnds[1].present
|
||
&& !aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
|
||
{
|
||
set_other_error (mismatch_detail, idx, _("extraneous register"));
|
||
return 0;
|
||
}
|
||
if (!opnds[1].present
|
||
&& aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
|
||
{
|
||
set_other_error (mismatch_detail, idx, _("missing register"));
|
||
return 0;
|
||
}
|
||
}
|
||
switch (qualifier)
|
||
{
|
||
case AARCH64_OPND_QLF_WSP:
|
||
case AARCH64_OPND_QLF_SP:
|
||
if (!aarch64_stack_pointer_p (opnd))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("stack pointer register expected"));
|
||
return 0;
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_COND:
|
||
if (type == AARCH64_OPND_COND1
|
||
&& (opnds[idx].cond->value & 0xe) == 0xe)
|
||
{
|
||
/* Not allow AL or NV. */
|
||
set_syntax_error (mismatch_detail, idx, NULL);
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_ADDRESS:
|
||
/* Check writeback. */
|
||
switch (opcode->iclass)
|
||
{
|
||
case ldst_pos:
|
||
case ldst_unscaled:
|
||
case ldstnapair_offs:
|
||
case ldstpair_off:
|
||
case ldst_unpriv:
|
||
if (opnd->addr.writeback == 1)
|
||
{
|
||
set_syntax_error (mismatch_detail, idx,
|
||
_("unexpected address writeback"));
|
||
return 0;
|
||
}
|
||
break;
|
||
case ldst_imm9:
|
||
case ldstpair_indexed:
|
||
case asisdlsep:
|
||
case asisdlsop:
|
||
if (opnd->addr.writeback == 0)
|
||
{
|
||
set_syntax_error (mismatch_detail, idx,
|
||
_("address writeback expected"));
|
||
return 0;
|
||
}
|
||
break;
|
||
default:
|
||
assert (opnd->addr.writeback == 0);
|
||
break;
|
||
}
|
||
switch (type)
|
||
{
|
||
case AARCH64_OPND_ADDR_SIMM7:
|
||
/* Scaled signed 7 bits immediate offset. */
|
||
/* Get the size of the data element that is accessed, which may be
|
||
different from that of the source register size,
|
||
e.g. in strb/ldrb. */
|
||
size = aarch64_get_qualifier_esize (opnd->qualifier);
|
||
if (!value_in_range_p (opnd->addr.offset.imm, -64 * size, 63 * size))
|
||
{
|
||
set_offset_out_of_range_error (mismatch_detail, idx,
|
||
-64 * size, 63 * size);
|
||
return 0;
|
||
}
|
||
if (!value_aligned_p (opnd->addr.offset.imm, size))
|
||
{
|
||
set_unaligned_error (mismatch_detail, idx, size);
|
||
return 0;
|
||
}
|
||
break;
|
||
case AARCH64_OPND_ADDR_SIMM9:
|
||
/* Unscaled signed 9 bits immediate offset. */
|
||
if (!value_in_range_p (opnd->addr.offset.imm, -256, 255))
|
||
{
|
||
set_offset_out_of_range_error (mismatch_detail, idx, -256, 255);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_SIMM9_2:
|
||
/* Unscaled signed 9 bits immediate offset, which has to be negative
|
||
or unaligned. */
|
||
size = aarch64_get_qualifier_esize (qualifier);
|
||
if ((value_in_range_p (opnd->addr.offset.imm, 0, 255)
|
||
&& !value_aligned_p (opnd->addr.offset.imm, size))
|
||
|| value_in_range_p (opnd->addr.offset.imm, -256, -1))
|
||
return 1;
|
||
set_other_error (mismatch_detail, idx,
|
||
_("negative or unaligned offset expected"));
|
||
return 0;
|
||
|
||
case AARCH64_OPND_SIMD_ADDR_POST:
|
||
/* AdvSIMD load/store multiple structures, post-index. */
|
||
assert (idx == 1);
|
||
if (opnd->addr.offset.is_reg)
|
||
{
|
||
if (value_in_range_p (opnd->addr.offset.regno, 0, 30))
|
||
return 1;
|
||
else
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid register offset"));
|
||
return 0;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
const aarch64_opnd_info *prev = &opnds[idx-1];
|
||
unsigned num_bytes; /* total number of bytes transferred. */
|
||
/* The opcode dependent area stores the number of elements in
|
||
each structure to be loaded/stored. */
|
||
int is_ld1r = get_opcode_dependent_value (opcode) == 1;
|
||
if (opcode->operands[0] == AARCH64_OPND_LVt_AL)
|
||
/* Special handling of loading single structure to all lane. */
|
||
num_bytes = (is_ld1r ? 1 : prev->reglist.num_regs)
|
||
* aarch64_get_qualifier_esize (prev->qualifier);
|
||
else
|
||
num_bytes = prev->reglist.num_regs
|
||
* aarch64_get_qualifier_esize (prev->qualifier)
|
||
* aarch64_get_qualifier_nelem (prev->qualifier);
|
||
if ((int) num_bytes != opnd->addr.offset.imm)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid post-increment amount"));
|
||
return 0;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_REGOFF:
|
||
/* Get the size of the data element that is accessed, which may be
|
||
different from that of the source register size,
|
||
e.g. in strb/ldrb. */
|
||
size = aarch64_get_qualifier_esize (opnd->qualifier);
|
||
/* It is either no shift or shift by the binary logarithm of SIZE. */
|
||
if (opnd->shifter.amount != 0
|
||
&& opnd->shifter.amount != (int)get_logsz (size))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift amount"));
|
||
return 0;
|
||
}
|
||
/* Only UXTW, LSL, SXTW and SXTX are the accepted extending
|
||
operators. */
|
||
switch (opnd->shifter.kind)
|
||
{
|
||
case AARCH64_MOD_UXTW:
|
||
case AARCH64_MOD_LSL:
|
||
case AARCH64_MOD_SXTW:
|
||
case AARCH64_MOD_SXTX: break;
|
||
default:
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid extend/shift operator"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_UIMM12:
|
||
imm = opnd->addr.offset.imm;
|
||
/* Get the size of the data element that is accessed, which may be
|
||
different from that of the source register size,
|
||
e.g. in strb/ldrb. */
|
||
size = aarch64_get_qualifier_esize (qualifier);
|
||
if (!value_in_range_p (opnd->addr.offset.imm, 0, 4095 * size))
|
||
{
|
||
set_offset_out_of_range_error (mismatch_detail, idx,
|
||
0, 4095 * size);
|
||
return 0;
|
||
}
|
||
if (!value_aligned_p (opnd->addr.offset.imm, size))
|
||
{
|
||
set_unaligned_error (mismatch_detail, idx, size);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_PCREL14:
|
||
case AARCH64_OPND_ADDR_PCREL19:
|
||
case AARCH64_OPND_ADDR_PCREL21:
|
||
case AARCH64_OPND_ADDR_PCREL26:
|
||
imm = opnd->imm.value;
|
||
if (operand_need_shift_by_two (get_operand_from_code (type)))
|
||
{
|
||
/* The offset value in a PC-relative branch instruction is alway
|
||
4-byte aligned and is encoded without the lowest 2 bits. */
|
||
if (!value_aligned_p (imm, 4))
|
||
{
|
||
set_unaligned_error (mismatch_detail, idx, 4);
|
||
return 0;
|
||
}
|
||
/* Right shift by 2 so that we can carry out the following check
|
||
canonically. */
|
||
imm >>= 2;
|
||
}
|
||
size = get_operand_fields_width (get_operand_from_code (type));
|
||
if (!value_fit_signed_field_p (imm, size))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate out of range"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_SIMD_REGLIST:
|
||
/* The opcode dependent area stores the number of elements in
|
||
each structure to be loaded/stored. */
|
||
num = get_opcode_dependent_value (opcode);
|
||
switch (type)
|
||
{
|
||
case AARCH64_OPND_LVt:
|
||
assert (num >= 1 && num <= 4);
|
||
/* Unless LD1/ST1, the number of registers should be equal to that
|
||
of the structure elements. */
|
||
if (num != 1 && opnd->reglist.num_regs != num)
|
||
{
|
||
set_reg_list_error (mismatch_detail, idx, num);
|
||
return 0;
|
||
}
|
||
break;
|
||
case AARCH64_OPND_LVt_AL:
|
||
case AARCH64_OPND_LEt:
|
||
assert (num >= 1 && num <= 4);
|
||
/* The number of registers should be equal to that of the structure
|
||
elements. */
|
||
if (opnd->reglist.num_regs != num)
|
||
{
|
||
set_reg_list_error (mismatch_detail, idx, num);
|
||
return 0;
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_IMMEDIATE:
|
||
/* Constraint check on immediate operand. */
|
||
imm = opnd->imm.value;
|
||
/* E.g. imm_0_31 constrains value to be 0..31. */
|
||
if (qualifier_value_in_range_constraint_p (qualifier)
|
||
&& !value_in_range_p (imm, get_lower_bound (qualifier),
|
||
get_upper_bound (qualifier)))
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx,
|
||
get_lower_bound (qualifier),
|
||
get_upper_bound (qualifier));
|
||
return 0;
|
||
}
|
||
|
||
switch (type)
|
||
{
|
||
case AARCH64_OPND_AIMM:
|
||
if (opnd->shifter.kind != AARCH64_MOD_LSL)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift operator"));
|
||
return 0;
|
||
}
|
||
if (opnd->shifter.amount != 0 && opnd->shifter.amount != 12)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("shift amount expected to be 0 or 12"));
|
||
return 0;
|
||
}
|
||
if (!value_fit_unsigned_field_p (opnd->imm.value, 12))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate out of range"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_HALF:
|
||
assert (idx == 1 && opnds[0].type == AARCH64_OPND_Rd);
|
||
if (opnd->shifter.kind != AARCH64_MOD_LSL)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift operator"));
|
||
return 0;
|
||
}
|
||
size = aarch64_get_qualifier_esize (opnds[0].qualifier);
|
||
if (!value_aligned_p (opnd->shifter.amount, 16))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("shift amount should be a multiple of 16"));
|
||
return 0;
|
||
}
|
||
if (!value_in_range_p (opnd->shifter.amount, 0, size * 8 - 16))
|
||
{
|
||
set_sft_amount_out_of_range_error (mismatch_detail, idx,
|
||
0, size * 8 - 16);
|
||
return 0;
|
||
}
|
||
if (opnd->imm.value < 0)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("negative immediate value not allowed"));
|
||
return 0;
|
||
}
|
||
if (!value_fit_unsigned_field_p (opnd->imm.value, 16))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate out of range"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_IMM_MOV:
|
||
{
|
||
int is32 = aarch64_get_qualifier_esize (opnds[0].qualifier) == 4;
|
||
imm = opnd->imm.value;
|
||
assert (idx == 1);
|
||
switch (opcode->op)
|
||
{
|
||
case OP_MOV_IMM_WIDEN:
|
||
imm = ~imm;
|
||
/* Fall through... */
|
||
case OP_MOV_IMM_WIDE:
|
||
if (!aarch64_wide_constant_p (imm, is32, NULL))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate out of range"));
|
||
return 0;
|
||
}
|
||
break;
|
||
case OP_MOV_IMM_LOG:
|
||
if (!aarch64_logical_immediate_p (imm, is32, NULL))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate out of range"));
|
||
return 0;
|
||
}
|
||
break;
|
||
default:
|
||
assert (0);
|
||
return 0;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_NZCV:
|
||
case AARCH64_OPND_CCMP_IMM:
|
||
case AARCH64_OPND_EXCEPTION:
|
||
case AARCH64_OPND_UIMM4:
|
||
case AARCH64_OPND_UIMM7:
|
||
case AARCH64_OPND_UIMM3_OP1:
|
||
case AARCH64_OPND_UIMM3_OP2:
|
||
size = get_operand_fields_width (get_operand_from_code (type));
|
||
assert (size < 32);
|
||
if (!value_fit_unsigned_field_p (opnd->imm.value, size))
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx, 0,
|
||
(1 << size) - 1);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_WIDTH:
|
||
assert (idx > 1 && opnds[idx-1].type == AARCH64_OPND_IMM
|
||
&& opnds[0].type == AARCH64_OPND_Rd);
|
||
size = get_upper_bound (qualifier);
|
||
if (opnd->imm.value + opnds[idx-1].imm.value > size)
|
||
/* lsb+width <= reg.size */
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx, 1,
|
||
size - opnds[idx-1].imm.value);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_LIMM:
|
||
{
|
||
int is32 = opnds[0].qualifier == AARCH64_OPND_QLF_W;
|
||
uint64_t uimm = opnd->imm.value;
|
||
if (opcode->op == OP_BIC)
|
||
uimm = ~uimm;
|
||
if (aarch64_logical_immediate_p (uimm, is32, NULL) == FALSE)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate out of range"));
|
||
return 0;
|
||
}
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_IMM0:
|
||
case AARCH64_OPND_FPIMM0:
|
||
if (opnd->imm.value != 0)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate zero expected"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_SHLL_IMM:
|
||
assert (idx == 2);
|
||
size = 8 * aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
|
||
if (opnd->imm.value != size)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift amount"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_IMM_VLSL:
|
||
size = aarch64_get_qualifier_esize (qualifier);
|
||
if (!value_in_range_p (opnd->imm.value, 0, size * 8 - 1))
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx, 0,
|
||
size * 8 - 1);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_IMM_VLSR:
|
||
size = aarch64_get_qualifier_esize (qualifier);
|
||
if (!value_in_range_p (opnd->imm.value, 1, size * 8))
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx, 1, size * 8);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_SIMD_IMM:
|
||
case AARCH64_OPND_SIMD_IMM_SFT:
|
||
/* Qualifier check. */
|
||
switch (qualifier)
|
||
{
|
||
case AARCH64_OPND_QLF_LSL:
|
||
if (opnd->shifter.kind != AARCH64_MOD_LSL)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift operator"));
|
||
return 0;
|
||
}
|
||
break;
|
||
case AARCH64_OPND_QLF_MSL:
|
||
if (opnd->shifter.kind != AARCH64_MOD_MSL)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift operator"));
|
||
return 0;
|
||
}
|
||
break;
|
||
case AARCH64_OPND_QLF_NIL:
|
||
if (opnd->shifter.kind != AARCH64_MOD_NONE)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("shift is not permitted"));
|
||
return 0;
|
||
}
|
||
break;
|
||
default:
|
||
assert (0);
|
||
return 0;
|
||
}
|
||
/* Is the immediate valid? */
|
||
assert (idx == 1);
|
||
if (aarch64_get_qualifier_esize (opnds[0].qualifier) != 8)
|
||
{
|
||
/* uimm8 or simm8 */
|
||
if (!value_in_range_p (opnd->imm.value, -128, 255))
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx, -128, 255);
|
||
return 0;
|
||
}
|
||
}
|
||
else if (aarch64_shrink_expanded_imm8 (opnd->imm.value) < 0)
|
||
{
|
||
/* uimm64 is not
|
||
'aaaaaaaabbbbbbbbccccccccddddddddeeeeeeee
|
||
ffffffffgggggggghhhhhhhh'. */
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid value for immediate"));
|
||
return 0;
|
||
}
|
||
/* Is the shift amount valid? */
|
||
switch (opnd->shifter.kind)
|
||
{
|
||
case AARCH64_MOD_LSL:
|
||
size = aarch64_get_qualifier_esize (opnds[0].qualifier);
|
||
if (!value_in_range_p (opnd->shifter.amount, 0, (size - 1) * 8))
|
||
{
|
||
set_sft_amount_out_of_range_error (mismatch_detail, idx, 0,
|
||
(size - 1) * 8);
|
||
return 0;
|
||
}
|
||
if (!value_aligned_p (opnd->shifter.amount, 8))
|
||
{
|
||
set_unaligned_error (mismatch_detail, idx, 8);
|
||
return 0;
|
||
}
|
||
break;
|
||
case AARCH64_MOD_MSL:
|
||
/* Only 8 and 16 are valid shift amount. */
|
||
if (opnd->shifter.amount != 8 && opnd->shifter.amount != 16)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("shift amount expected to be 0 or 16"));
|
||
return 0;
|
||
}
|
||
break;
|
||
default:
|
||
if (opnd->shifter.kind != AARCH64_MOD_NONE)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift operator"));
|
||
return 0;
|
||
}
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_FPIMM:
|
||
case AARCH64_OPND_SIMD_FPIMM:
|
||
if (opnd->imm.is_fp == 0)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("floating-point immediate expected"));
|
||
return 0;
|
||
}
|
||
/* The value is expected to be an 8-bit floating-point constant with
|
||
sign, 3-bit exponent and normalized 4 bits of precision, encoded
|
||
in "a:b:c:d:e:f:g:h" or FLD_imm8 (depending on the type of the
|
||
instruction). */
|
||
if (!value_in_range_p (opnd->imm.value, 0, 255))
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("immediate out of range"));
|
||
return 0;
|
||
}
|
||
if (opnd->shifter.kind != AARCH64_MOD_NONE)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("invalid shift operator"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_CP_REG:
|
||
/* Cn or Cm: 4-bit opcode field named for historical reasons.
|
||
valid range: C0 - C15. */
|
||
if (opnd->reg.regno > 15)
|
||
{
|
||
set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_SYSTEM:
|
||
switch (type)
|
||
{
|
||
case AARCH64_OPND_PSTATEFIELD:
|
||
assert (idx == 0 && opnds[1].type == AARCH64_OPND_UIMM4);
|
||
/* MSR UAO, #uimm4
|
||
MSR PAN, #uimm4
|
||
The immediate must be #0 or #1. */
|
||
if ((opnd->pstatefield == 0x03 /* UAO. */
|
||
|| opnd->pstatefield == 0x04) /* PAN. */
|
||
&& opnds[1].imm.value > 1)
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
|
||
return 0;
|
||
}
|
||
/* MSR SPSel, #uimm4
|
||
Uses uimm4 as a control value to select the stack pointer: if
|
||
bit 0 is set it selects the current exception level's stack
|
||
pointer, if bit 0 is clear it selects shared EL0 stack pointer.
|
||
Bits 1 to 3 of uimm4 are reserved and should be zero. */
|
||
if (opnd->pstatefield == 0x05 /* spsel */ && opnds[1].imm.value > 1)
|
||
{
|
||
set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
|
||
return 0;
|
||
}
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_SIMD_ELEMENT:
|
||
/* Get the upper bound for the element index. */
|
||
num = 16 / aarch64_get_qualifier_esize (qualifier) - 1;
|
||
/* Index out-of-range. */
|
||
if (!value_in_range_p (opnd->reglane.index, 0, num))
|
||
{
|
||
set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
|
||
return 0;
|
||
}
|
||
/* SMLAL<Q> <Vd>.<Ta>, <Vn>.<Tb>, <Vm>.<Ts>[<index>].
|
||
<Vm> Is the vector register (V0-V31) or (V0-V15), whose
|
||
number is encoded in "size:M:Rm":
|
||
size <Vm>
|
||
00 RESERVED
|
||
01 0:Rm
|
||
10 M:Rm
|
||
11 RESERVED */
|
||
if (type == AARCH64_OPND_Em && qualifier == AARCH64_OPND_QLF_S_H
|
||
&& !value_in_range_p (opnd->reglane.regno, 0, 15))
|
||
{
|
||
set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CLASS_MODIFIED_REG:
|
||
assert (idx == 1 || idx == 2);
|
||
switch (type)
|
||
{
|
||
case AARCH64_OPND_Rm_EXT:
|
||
if (aarch64_extend_operator_p (opnd->shifter.kind) == FALSE
|
||
&& opnd->shifter.kind != AARCH64_MOD_LSL)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("extend operator expected"));
|
||
return 0;
|
||
}
|
||
/* It is not optional unless at least one of "Rd" or "Rn" is '11111'
|
||
(i.e. SP), in which case it defaults to LSL. The LSL alias is
|
||
only valid when "Rd" or "Rn" is '11111', and is preferred in that
|
||
case. */
|
||
if (!aarch64_stack_pointer_p (opnds + 0)
|
||
&& (idx != 2 || !aarch64_stack_pointer_p (opnds + 1)))
|
||
{
|
||
if (!opnd->shifter.operator_present)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("missing extend operator"));
|
||
return 0;
|
||
}
|
||
else if (opnd->shifter.kind == AARCH64_MOD_LSL)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("'LSL' operator not allowed"));
|
||
return 0;
|
||
}
|
||
}
|
||
assert (opnd->shifter.operator_present /* Default to LSL. */
|
||
|| opnd->shifter.kind == AARCH64_MOD_LSL);
|
||
if (!value_in_range_p (opnd->shifter.amount, 0, 4))
|
||
{
|
||
set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 4);
|
||
return 0;
|
||
}
|
||
/* In the 64-bit form, the final register operand is written as Wm
|
||
for all but the (possibly omitted) UXTX/LSL and SXTX
|
||
operators.
|
||
N.B. GAS allows X register to be used with any operator as a
|
||
programming convenience. */
|
||
if (qualifier == AARCH64_OPND_QLF_X
|
||
&& opnd->shifter.kind != AARCH64_MOD_LSL
|
||
&& opnd->shifter.kind != AARCH64_MOD_UXTX
|
||
&& opnd->shifter.kind != AARCH64_MOD_SXTX)
|
||
{
|
||
set_other_error (mismatch_detail, idx, _("W register expected"));
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_Rm_SFT:
|
||
/* ROR is not available to the shifted register operand in
|
||
arithmetic instructions. */
|
||
if (aarch64_shift_operator_p (opnd->shifter.kind) == FALSE)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("shift operator expected"));
|
||
return 0;
|
||
}
|
||
if (opnd->shifter.kind == AARCH64_MOD_ROR
|
||
&& opcode->iclass != log_shift)
|
||
{
|
||
set_other_error (mismatch_detail, idx,
|
||
_("'ROR' operator not allowed"));
|
||
return 0;
|
||
}
|
||
num = qualifier == AARCH64_OPND_QLF_W ? 31 : 63;
|
||
if (!value_in_range_p (opnd->shifter.amount, 0, num))
|
||
{
|
||
set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, num);
|
||
return 0;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
return 1;
|
||
}
|
||
|
||
/* Main entrypoint for the operand constraint checking.
|
||
|
||
Return 1 if operands of *INST meet the constraint applied by the operand
|
||
codes and operand qualifiers; otherwise return 0 and if MISMATCH_DETAIL is
|
||
not NULL, return the detail of the error in *MISMATCH_DETAIL. N.B. when
|
||
adding more constraint checking, make sure MISMATCH_DETAIL->KIND is set
|
||
with a proper error kind rather than AARCH64_OPDE_NIL (GAS asserts non-NIL
|
||
error kind when it is notified that an instruction does not pass the check).
|
||
|
||
Un-determined operand qualifiers may get established during the process. */
|
||
|
||
int
|
||
aarch64_match_operands_constraint (aarch64_inst *inst,
|
||
aarch64_operand_error *mismatch_detail)
|
||
{
|
||
int i;
|
||
|
||
DEBUG_TRACE ("enter");
|
||
|
||
/* Match operands' qualifier.
|
||
*INST has already had qualifier establish for some, if not all, of
|
||
its operands; we need to find out whether these established
|
||
qualifiers match one of the qualifier sequence in
|
||
INST->OPCODE->QUALIFIERS_LIST. If yes, we will assign each operand
|
||
with the corresponding qualifier in such a sequence.
|
||
Only basic operand constraint checking is done here; the more thorough
|
||
constraint checking will carried out by operand_general_constraint_met_p,
|
||
which has be to called after this in order to get all of the operands'
|
||
qualifiers established. */
|
||
if (match_operands_qualifier (inst, TRUE /* update_p */) == 0)
|
||
{
|
||
DEBUG_TRACE ("FAIL on operand qualifier matching");
|
||
if (mismatch_detail)
|
||
{
|
||
/* Return an error type to indicate that it is the qualifier
|
||
matching failure; we don't care about which operand as there
|
||
are enough information in the opcode table to reproduce it. */
|
||
mismatch_detail->kind = AARCH64_OPDE_INVALID_VARIANT;
|
||
mismatch_detail->index = -1;
|
||
mismatch_detail->error = NULL;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
/* Match operands' constraint. */
|
||
for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
|
||
{
|
||
enum aarch64_opnd type = inst->opcode->operands[i];
|
||
if (type == AARCH64_OPND_NIL)
|
||
break;
|
||
if (inst->operands[i].skip)
|
||
{
|
||
DEBUG_TRACE ("skip the incomplete operand %d", i);
|
||
continue;
|
||
}
|
||
if (operand_general_constraint_met_p (inst->operands, i, type,
|
||
inst->opcode, mismatch_detail) == 0)
|
||
{
|
||
DEBUG_TRACE ("FAIL on operand %d", i);
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
DEBUG_TRACE ("PASS");
|
||
|
||
return 1;
|
||
}
|
||
|
||
/* Replace INST->OPCODE with OPCODE and return the replaced OPCODE.
|
||
Also updates the TYPE of each INST->OPERANDS with the corresponding
|
||
value of OPCODE->OPERANDS.
|
||
|
||
Note that some operand qualifiers may need to be manually cleared by
|
||
the caller before it further calls the aarch64_opcode_encode; by
|
||
doing this, it helps the qualifier matching facilities work
|
||
properly. */
|
||
|
||
const aarch64_opcode*
|
||
aarch64_replace_opcode (aarch64_inst *inst, const aarch64_opcode *opcode)
|
||
{
|
||
int i;
|
||
const aarch64_opcode *old = inst->opcode;
|
||
|
||
inst->opcode = opcode;
|
||
|
||
/* Update the operand types. */
|
||
for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
|
||
{
|
||
inst->operands[i].type = opcode->operands[i];
|
||
if (opcode->operands[i] == AARCH64_OPND_NIL)
|
||
break;
|
||
}
|
||
|
||
DEBUG_TRACE ("replace %s with %s", old->name, opcode->name);
|
||
|
||
return old;
|
||
}
|
||
|
||
int
|
||
aarch64_operand_index (const enum aarch64_opnd *operands, enum aarch64_opnd operand)
|
||
{
|
||
int i;
|
||
for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
|
||
if (operands[i] == operand)
|
||
return i;
|
||
else if (operands[i] == AARCH64_OPND_NIL)
|
||
break;
|
||
return -1;
|
||
}
|
||
|
||
/* [0][0] 32-bit integer regs with sp Wn
|
||
[0][1] 64-bit integer regs with sp Xn sf=1
|
||
[1][0] 32-bit integer regs with #0 Wn
|
||
[1][1] 64-bit integer regs with #0 Xn sf=1 */
|
||
static const char *int_reg[2][2][32] = {
|
||
#define R32 "w"
|
||
#define R64 "x"
|
||
{ { R32 "0", R32 "1", R32 "2", R32 "3", R32 "4", R32 "5", R32 "6", R32 "7",
|
||
R32 "8", R32 "9", R32 "10", R32 "11", R32 "12", R32 "13", R32 "14", R32 "15",
|
||
R32 "16", R32 "17", R32 "18", R32 "19", R32 "20", R32 "21", R32 "22", R32 "23",
|
||
R32 "24", R32 "25", R32 "26", R32 "27", R32 "28", R32 "29", R32 "30", "wsp" },
|
||
{ R64 "0", R64 "1", R64 "2", R64 "3", R64 "4", R64 "5", R64 "6", R64 "7",
|
||
R64 "8", R64 "9", R64 "10", R64 "11", R64 "12", R64 "13", R64 "14", R64 "15",
|
||
R64 "16", R64 "17", R64 "18", R64 "19", R64 "20", R64 "21", R64 "22", R64 "23",
|
||
R64 "24", R64 "25", R64 "26", R64 "27", R64 "28", R64 "29", R64 "30", "sp" } },
|
||
{ { R32 "0", R32 "1", R32 "2", R32 "3", R32 "4", R32 "5", R32 "6", R32 "7",
|
||
R32 "8", R32 "9", R32 "10", R32 "11", R32 "12", R32 "13", R32 "14", R32 "15",
|
||
R32 "16", R32 "17", R32 "18", R32 "19", R32 "20", R32 "21", R32 "22", R32 "23",
|
||
R32 "24", R32 "25", R32 "26", R32 "27", R32 "28", R32 "29", R32 "30", R32 "zr" },
|
||
{ R64 "0", R64 "1", R64 "2", R64 "3", R64 "4", R64 "5", R64 "6", R64 "7",
|
||
R64 "8", R64 "9", R64 "10", R64 "11", R64 "12", R64 "13", R64 "14", R64 "15",
|
||
R64 "16", R64 "17", R64 "18", R64 "19", R64 "20", R64 "21", R64 "22", R64 "23",
|
||
R64 "24", R64 "25", R64 "26", R64 "27", R64 "28", R64 "29", R64 "30", R64 "zr" } }
|
||
#undef R64
|
||
#undef R32
|
||
};
|
||
|
||
/* Return the integer register name.
|
||
if SP_REG_P is not 0, R31 is an SP reg, other R31 is the zero reg. */
|
||
|
||
static inline const char *
|
||
get_int_reg_name (int regno, aarch64_opnd_qualifier_t qualifier, int sp_reg_p)
|
||
{
|
||
const int has_zr = sp_reg_p ? 0 : 1;
|
||
const int is_64 = aarch64_get_qualifier_esize (qualifier) == 4 ? 0 : 1;
|
||
return int_reg[has_zr][is_64][regno];
|
||
}
|
||
|
||
/* Like get_int_reg_name, but IS_64 is always 1. */
|
||
|
||
static inline const char *
|
||
get_64bit_int_reg_name (int regno, int sp_reg_p)
|
||
{
|
||
const int has_zr = sp_reg_p ? 0 : 1;
|
||
return int_reg[has_zr][1][regno];
|
||
}
|
||
|
||
/* Types for expanding an encoded 8-bit value to a floating-point value. */
|
||
|
||
typedef union
|
||
{
|
||
uint64_t i;
|
||
double d;
|
||
} double_conv_t;
|
||
|
||
typedef union
|
||
{
|
||
uint32_t i;
|
||
float f;
|
||
} single_conv_t;
|
||
|
||
typedef union
|
||
{
|
||
uint32_t i;
|
||
float f;
|
||
} half_conv_t;
|
||
|
||
/* IMM8 is an 8-bit floating-point constant with sign, 3-bit exponent and
|
||
normalized 4 bits of precision, encoded in "a:b:c:d:e:f:g:h" or FLD_imm8
|
||
(depending on the type of the instruction). IMM8 will be expanded to a
|
||
single-precision floating-point value (SIZE == 4) or a double-precision
|
||
floating-point value (SIZE == 8). A half-precision floating-point value
|
||
(SIZE == 2) is expanded to a single-precision floating-point value. The
|
||
expanded value is returned. */
|
||
|
||
static uint64_t
|
||
expand_fp_imm (int size, uint32_t imm8)
|
||
{
|
||
uint64_t imm;
|
||
uint32_t imm8_7, imm8_6_0, imm8_6, imm8_6_repl4;
|
||
|
||
imm8_7 = (imm8 >> 7) & 0x01; /* imm8<7> */
|
||
imm8_6_0 = imm8 & 0x7f; /* imm8<6:0> */
|
||
imm8_6 = imm8_6_0 >> 6; /* imm8<6> */
|
||
imm8_6_repl4 = (imm8_6 << 3) | (imm8_6 << 2)
|
||
| (imm8_6 << 1) | imm8_6; /* Replicate(imm8<6>,4) */
|
||
if (size == 8)
|
||
{
|
||
imm = (imm8_7 << (63-32)) /* imm8<7> */
|
||
| ((imm8_6 ^ 1) << (62-32)) /* NOT(imm8<6) */
|
||
| (imm8_6_repl4 << (58-32)) | (imm8_6 << (57-32))
|
||
| (imm8_6 << (56-32)) | (imm8_6 << (55-32)) /* Replicate(imm8<6>,7) */
|
||
| (imm8_6_0 << (48-32)); /* imm8<6>:imm8<5:0> */
|
||
imm <<= 32;
|
||
}
|
||
else if (size == 4 || size == 2)
|
||
{
|
||
imm = (imm8_7 << 31) /* imm8<7> */
|
||
| ((imm8_6 ^ 1) << 30) /* NOT(imm8<6>) */
|
||
| (imm8_6_repl4 << 26) /* Replicate(imm8<6>,4) */
|
||
| (imm8_6_0 << 19); /* imm8<6>:imm8<5:0> */
|
||
}
|
||
else
|
||
{
|
||
/* An unsupported size. */
|
||
assert (0);
|
||
}
|
||
|
||
return imm;
|
||
}
|
||
|
||
/* Produce the string representation of the register list operand *OPND
|
||
in the buffer pointed by BUF of size SIZE. */
|
||
static void
|
||
print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd)
|
||
{
|
||
const int num_regs = opnd->reglist.num_regs;
|
||
const int first_reg = opnd->reglist.first_regno;
|
||
const int last_reg = (first_reg + num_regs - 1) & 0x1f;
|
||
const char *qlf_name = aarch64_get_qualifier_name (opnd->qualifier);
|
||
char tb[8]; /* Temporary buffer. */
|
||
|
||
assert (opnd->type != AARCH64_OPND_LEt || opnd->reglist.has_index);
|
||
assert (num_regs >= 1 && num_regs <= 4);
|
||
|
||
/* Prepare the index if any. */
|
||
if (opnd->reglist.has_index)
|
||
snprintf (tb, 8, "[%d]", opnd->reglist.index);
|
||
else
|
||
tb[0] = '\0';
|
||
|
||
/* The hyphenated form is preferred for disassembly if there are
|
||
more than two registers in the list, and the register numbers
|
||
are monotonically increasing in increments of one. */
|
||
if (num_regs > 2 && last_reg > first_reg)
|
||
snprintf (buf, size, "{v%d.%s-v%d.%s}%s", first_reg, qlf_name,
|
||
last_reg, qlf_name, tb);
|
||
else
|
||
{
|
||
const int reg0 = first_reg;
|
||
const int reg1 = (first_reg + 1) & 0x1f;
|
||
const int reg2 = (first_reg + 2) & 0x1f;
|
||
const int reg3 = (first_reg + 3) & 0x1f;
|
||
|
||
switch (num_regs)
|
||
{
|
||
case 1:
|
||
snprintf (buf, size, "{v%d.%s}%s", reg0, qlf_name, tb);
|
||
break;
|
||
case 2:
|
||
snprintf (buf, size, "{v%d.%s, v%d.%s}%s", reg0, qlf_name,
|
||
reg1, qlf_name, tb);
|
||
break;
|
||
case 3:
|
||
snprintf (buf, size, "{v%d.%s, v%d.%s, v%d.%s}%s", reg0, qlf_name,
|
||
reg1, qlf_name, reg2, qlf_name, tb);
|
||
break;
|
||
case 4:
|
||
snprintf (buf, size, "{v%d.%s, v%d.%s, v%d.%s, v%d.%s}%s",
|
||
reg0, qlf_name, reg1, qlf_name, reg2, qlf_name,
|
||
reg3, qlf_name, tb);
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Produce the string representation of the register offset address operand
|
||
*OPND in the buffer pointed by BUF of size SIZE. */
|
||
static void
|
||
print_register_offset_address (char *buf, size_t size,
|
||
const aarch64_opnd_info *opnd)
|
||
{
|
||
const size_t tblen = 16;
|
||
char tb[tblen]; /* Temporary buffer. */
|
||
bfd_boolean lsl_p = FALSE; /* Is LSL shift operator? */
|
||
bfd_boolean wm_p = FALSE; /* Should Rm be Wm? */
|
||
bfd_boolean print_extend_p = TRUE;
|
||
bfd_boolean print_amount_p = TRUE;
|
||
const char *shift_name = aarch64_operand_modifiers[opnd->shifter.kind].name;
|
||
|
||
switch (opnd->shifter.kind)
|
||
{
|
||
case AARCH64_MOD_UXTW: wm_p = TRUE; break;
|
||
case AARCH64_MOD_LSL : lsl_p = TRUE; break;
|
||
case AARCH64_MOD_SXTW: wm_p = TRUE; break;
|
||
case AARCH64_MOD_SXTX: break;
|
||
default: assert (0);
|
||
}
|
||
|
||
if (!opnd->shifter.amount && (opnd->qualifier != AARCH64_OPND_QLF_S_B
|
||
|| !opnd->shifter.amount_present))
|
||
{
|
||
/* Not print the shift/extend amount when the amount is zero and
|
||
when it is not the special case of 8-bit load/store instruction. */
|
||
print_amount_p = FALSE;
|
||
/* Likewise, no need to print the shift operator LSL in such a
|
||
situation. */
|
||
if (lsl_p)
|
||
print_extend_p = FALSE;
|
||
}
|
||
|
||
/* Prepare for the extend/shift. */
|
||
if (print_extend_p)
|
||
{
|
||
if (print_amount_p)
|
||
snprintf (tb, tblen, ",%s #%d", shift_name, opnd->shifter.amount);
|
||
else
|
||
snprintf (tb, tblen, ",%s", shift_name);
|
||
}
|
||
else
|
||
tb[0] = '\0';
|
||
|
||
snprintf (buf, size, "[%s,%s%s]",
|
||
get_64bit_int_reg_name (opnd->addr.base_regno, 1),
|
||
get_int_reg_name (opnd->addr.offset.regno,
|
||
wm_p ? AARCH64_OPND_QLF_W : AARCH64_OPND_QLF_X,
|
||
0 /* sp_reg_p */),
|
||
tb);
|
||
}
|
||
|
||
/* Generate the string representation of the operand OPNDS[IDX] for OPCODE
|
||
in *BUF. The caller should pass in the maximum size of *BUF in SIZE.
|
||
PC, PCREL_P and ADDRESS are used to pass in and return information about
|
||
the PC-relative address calculation, where the PC value is passed in
|
||
PC. If the operand is pc-relative related, *PCREL_P (if PCREL_P non-NULL)
|
||
will return 1 and *ADDRESS (if ADDRESS non-NULL) will return the
|
||
calculated address; otherwise, *PCREL_P (if PCREL_P non-NULL) returns 0.
|
||
|
||
The function serves both the disassembler and the assembler diagnostics
|
||
issuer, which is the reason why it lives in this file. */
|
||
|
||
void
|
||
aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
|
||
const aarch64_opcode *opcode,
|
||
const aarch64_opnd_info *opnds, int idx, int *pcrel_p,
|
||
bfd_vma *address)
|
||
{
|
||
int i;
|
||
const char *name = NULL;
|
||
const aarch64_opnd_info *opnd = opnds + idx;
|
||
enum aarch64_modifier_kind kind;
|
||
uint64_t addr;
|
||
|
||
buf[0] = '\0';
|
||
if (pcrel_p)
|
||
*pcrel_p = 0;
|
||
|
||
switch (opnd->type)
|
||
{
|
||
case AARCH64_OPND_Rd:
|
||
case AARCH64_OPND_Rn:
|
||
case AARCH64_OPND_Rm:
|
||
case AARCH64_OPND_Rt:
|
||
case AARCH64_OPND_Rt2:
|
||
case AARCH64_OPND_Rs:
|
||
case AARCH64_OPND_Ra:
|
||
case AARCH64_OPND_Rt_SYS:
|
||
case AARCH64_OPND_PAIRREG:
|
||
/* The optional-ness of <Xt> in e.g. IC <ic_op>{, <Xt>} is determined by
|
||
the <ic_op>, therefore we we use opnd->present to override the
|
||
generic optional-ness information. */
|
||
if (opnd->type == AARCH64_OPND_Rt_SYS && !opnd->present)
|
||
break;
|
||
/* Omit the operand, e.g. RET. */
|
||
if (optional_operand_p (opcode, idx)
|
||
&& opnd->reg.regno == get_optional_operand_default_value (opcode))
|
||
break;
|
||
assert (opnd->qualifier == AARCH64_OPND_QLF_W
|
||
|| opnd->qualifier == AARCH64_OPND_QLF_X);
|
||
snprintf (buf, size, "%s",
|
||
get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
|
||
break;
|
||
|
||
case AARCH64_OPND_Rd_SP:
|
||
case AARCH64_OPND_Rn_SP:
|
||
assert (opnd->qualifier == AARCH64_OPND_QLF_W
|
||
|| opnd->qualifier == AARCH64_OPND_QLF_WSP
|
||
|| opnd->qualifier == AARCH64_OPND_QLF_X
|
||
|| opnd->qualifier == AARCH64_OPND_QLF_SP);
|
||
snprintf (buf, size, "%s",
|
||
get_int_reg_name (opnd->reg.regno, opnd->qualifier, 1));
|
||
break;
|
||
|
||
case AARCH64_OPND_Rm_EXT:
|
||
kind = opnd->shifter.kind;
|
||
assert (idx == 1 || idx == 2);
|
||
if ((aarch64_stack_pointer_p (opnds)
|
||
|| (idx == 2 && aarch64_stack_pointer_p (opnds + 1)))
|
||
&& ((opnd->qualifier == AARCH64_OPND_QLF_W
|
||
&& opnds[0].qualifier == AARCH64_OPND_QLF_W
|
||
&& kind == AARCH64_MOD_UXTW)
|
||
|| (opnd->qualifier == AARCH64_OPND_QLF_X
|
||
&& kind == AARCH64_MOD_UXTX)))
|
||
{
|
||
/* 'LSL' is the preferred form in this case. */
|
||
kind = AARCH64_MOD_LSL;
|
||
if (opnd->shifter.amount == 0)
|
||
{
|
||
/* Shifter omitted. */
|
||
snprintf (buf, size, "%s",
|
||
get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
|
||
break;
|
||
}
|
||
}
|
||
if (opnd->shifter.amount)
|
||
snprintf (buf, size, "%s, %s #%d",
|
||
get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
|
||
aarch64_operand_modifiers[kind].name,
|
||
opnd->shifter.amount);
|
||
else
|
||
snprintf (buf, size, "%s, %s",
|
||
get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
|
||
aarch64_operand_modifiers[kind].name);
|
||
break;
|
||
|
||
case AARCH64_OPND_Rm_SFT:
|
||
assert (opnd->qualifier == AARCH64_OPND_QLF_W
|
||
|| opnd->qualifier == AARCH64_OPND_QLF_X);
|
||
if (opnd->shifter.amount == 0 && opnd->shifter.kind == AARCH64_MOD_LSL)
|
||
snprintf (buf, size, "%s",
|
||
get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
|
||
else
|
||
snprintf (buf, size, "%s, %s #%d",
|
||
get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
|
||
aarch64_operand_modifiers[opnd->shifter.kind].name,
|
||
opnd->shifter.amount);
|
||
break;
|
||
|
||
case AARCH64_OPND_Fd:
|
||
case AARCH64_OPND_Fn:
|
||
case AARCH64_OPND_Fm:
|
||
case AARCH64_OPND_Fa:
|
||
case AARCH64_OPND_Ft:
|
||
case AARCH64_OPND_Ft2:
|
||
case AARCH64_OPND_Sd:
|
||
case AARCH64_OPND_Sn:
|
||
case AARCH64_OPND_Sm:
|
||
snprintf (buf, size, "%s%d", aarch64_get_qualifier_name (opnd->qualifier),
|
||
opnd->reg.regno);
|
||
break;
|
||
|
||
case AARCH64_OPND_Vd:
|
||
case AARCH64_OPND_Vn:
|
||
case AARCH64_OPND_Vm:
|
||
snprintf (buf, size, "v%d.%s", opnd->reg.regno,
|
||
aarch64_get_qualifier_name (opnd->qualifier));
|
||
break;
|
||
|
||
case AARCH64_OPND_Ed:
|
||
case AARCH64_OPND_En:
|
||
case AARCH64_OPND_Em:
|
||
snprintf (buf, size, "v%d.%s[%d]", opnd->reglane.regno,
|
||
aarch64_get_qualifier_name (opnd->qualifier),
|
||
opnd->reglane.index);
|
||
break;
|
||
|
||
case AARCH64_OPND_VdD1:
|
||
case AARCH64_OPND_VnD1:
|
||
snprintf (buf, size, "v%d.d[1]", opnd->reg.regno);
|
||
break;
|
||
|
||
case AARCH64_OPND_LVn:
|
||
case AARCH64_OPND_LVt:
|
||
case AARCH64_OPND_LVt_AL:
|
||
case AARCH64_OPND_LEt:
|
||
print_register_list (buf, size, opnd);
|
||
break;
|
||
|
||
case AARCH64_OPND_Cn:
|
||
case AARCH64_OPND_Cm:
|
||
snprintf (buf, size, "C%d", opnd->reg.regno);
|
||
break;
|
||
|
||
case AARCH64_OPND_IDX:
|
||
case AARCH64_OPND_IMM:
|
||
case AARCH64_OPND_WIDTH:
|
||
case AARCH64_OPND_UIMM3_OP1:
|
||
case AARCH64_OPND_UIMM3_OP2:
|
||
case AARCH64_OPND_BIT_NUM:
|
||
case AARCH64_OPND_IMM_VLSL:
|
||
case AARCH64_OPND_IMM_VLSR:
|
||
case AARCH64_OPND_SHLL_IMM:
|
||
case AARCH64_OPND_IMM0:
|
||
case AARCH64_OPND_IMMR:
|
||
case AARCH64_OPND_IMMS:
|
||
case AARCH64_OPND_FBITS:
|
||
snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
|
||
break;
|
||
|
||
case AARCH64_OPND_IMM_MOV:
|
||
switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
|
||
{
|
||
case 4: /* e.g. MOV Wd, #<imm32>. */
|
||
{
|
||
int imm32 = opnd->imm.value;
|
||
snprintf (buf, size, "#0x%-20x\t// #%d", imm32, imm32);
|
||
}
|
||
break;
|
||
case 8: /* e.g. MOV Xd, #<imm64>. */
|
||
snprintf (buf, size, "#0x%-20" PRIx64 "\t// #%" PRIi64,
|
||
opnd->imm.value, opnd->imm.value);
|
||
break;
|
||
default: assert (0);
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_FPIMM0:
|
||
snprintf (buf, size, "#0.0");
|
||
break;
|
||
|
||
case AARCH64_OPND_LIMM:
|
||
case AARCH64_OPND_AIMM:
|
||
case AARCH64_OPND_HALF:
|
||
if (opnd->shifter.amount)
|
||
snprintf (buf, size, "#0x%" PRIx64 ", lsl #%d", opnd->imm.value,
|
||
opnd->shifter.amount);
|
||
else
|
||
snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
|
||
break;
|
||
|
||
case AARCH64_OPND_SIMD_IMM:
|
||
case AARCH64_OPND_SIMD_IMM_SFT:
|
||
if ((! opnd->shifter.amount && opnd->shifter.kind == AARCH64_MOD_LSL)
|
||
|| opnd->shifter.kind == AARCH64_MOD_NONE)
|
||
snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
|
||
else
|
||
snprintf (buf, size, "#0x%" PRIx64 ", %s #%d", opnd->imm.value,
|
||
aarch64_operand_modifiers[opnd->shifter.kind].name,
|
||
opnd->shifter.amount);
|
||
break;
|
||
|
||
case AARCH64_OPND_FPIMM:
|
||
case AARCH64_OPND_SIMD_FPIMM:
|
||
switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
|
||
{
|
||
case 2: /* e.g. FMOV <Hd>, #<imm>. */
|
||
{
|
||
half_conv_t c;
|
||
c.i = expand_fp_imm (2, opnd->imm.value);
|
||
snprintf (buf, size, "#%.18e", c.f);
|
||
}
|
||
break;
|
||
case 4: /* e.g. FMOV <Vd>.4S, #<imm>. */
|
||
{
|
||
single_conv_t c;
|
||
c.i = expand_fp_imm (4, opnd->imm.value);
|
||
snprintf (buf, size, "#%.18e", c.f);
|
||
}
|
||
break;
|
||
case 8: /* e.g. FMOV <Sd>, #<imm>. */
|
||
{
|
||
double_conv_t c;
|
||
c.i = expand_fp_imm (8, opnd->imm.value);
|
||
snprintf (buf, size, "#%.18e", c.d);
|
||
}
|
||
break;
|
||
default: assert (0);
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_CCMP_IMM:
|
||
case AARCH64_OPND_NZCV:
|
||
case AARCH64_OPND_EXCEPTION:
|
||
case AARCH64_OPND_UIMM4:
|
||
case AARCH64_OPND_UIMM7:
|
||
if (optional_operand_p (opcode, idx) == TRUE
|
||
&& (opnd->imm.value ==
|
||
(int64_t) get_optional_operand_default_value (opcode)))
|
||
/* Omit the operand, e.g. DCPS1. */
|
||
break;
|
||
snprintf (buf, size, "#0x%x", (unsigned int)opnd->imm.value);
|
||
break;
|
||
|
||
case AARCH64_OPND_COND:
|
||
case AARCH64_OPND_COND1:
|
||
snprintf (buf, size, "%s", opnd->cond->names[0]);
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_ADRP:
|
||
addr = ((pc + AARCH64_PCREL_OFFSET) & ~(uint64_t)0xfff)
|
||
+ opnd->imm.value;
|
||
if (pcrel_p)
|
||
*pcrel_p = 1;
|
||
if (address)
|
||
*address = addr;
|
||
/* This is not necessary during the disassembling, as print_address_func
|
||
in the disassemble_info will take care of the printing. But some
|
||
other callers may be still interested in getting the string in *STR,
|
||
so here we do snprintf regardless. */
|
||
snprintf (buf, size, "#0x%" PRIx64, addr);
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_PCREL14:
|
||
case AARCH64_OPND_ADDR_PCREL19:
|
||
case AARCH64_OPND_ADDR_PCREL21:
|
||
case AARCH64_OPND_ADDR_PCREL26:
|
||
addr = pc + AARCH64_PCREL_OFFSET + opnd->imm.value;
|
||
if (pcrel_p)
|
||
*pcrel_p = 1;
|
||
if (address)
|
||
*address = addr;
|
||
/* This is not necessary during the disassembling, as print_address_func
|
||
in the disassemble_info will take care of the printing. But some
|
||
other callers may be still interested in getting the string in *STR,
|
||
so here we do snprintf regardless. */
|
||
snprintf (buf, size, "#0x%" PRIx64, addr);
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_SIMPLE:
|
||
case AARCH64_OPND_SIMD_ADDR_SIMPLE:
|
||
case AARCH64_OPND_SIMD_ADDR_POST:
|
||
name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
|
||
if (opnd->type == AARCH64_OPND_SIMD_ADDR_POST)
|
||
{
|
||
if (opnd->addr.offset.is_reg)
|
||
snprintf (buf, size, "[%s], x%d", name, opnd->addr.offset.regno);
|
||
else
|
||
snprintf (buf, size, "[%s], #%d", name, opnd->addr.offset.imm);
|
||
}
|
||
else
|
||
snprintf (buf, size, "[%s]", name);
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_REGOFF:
|
||
print_register_offset_address (buf, size, opnd);
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_SIMM7:
|
||
case AARCH64_OPND_ADDR_SIMM9:
|
||
case AARCH64_OPND_ADDR_SIMM9_2:
|
||
name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
|
||
if (opnd->addr.writeback)
|
||
{
|
||
if (opnd->addr.preind)
|
||
snprintf (buf, size, "[%s,#%d]!", name, opnd->addr.offset.imm);
|
||
else
|
||
snprintf (buf, size, "[%s],#%d", name, opnd->addr.offset.imm);
|
||
}
|
||
else
|
||
{
|
||
if (opnd->addr.offset.imm)
|
||
snprintf (buf, size, "[%s,#%d]", name, opnd->addr.offset.imm);
|
||
else
|
||
snprintf (buf, size, "[%s]", name);
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_ADDR_UIMM12:
|
||
name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
|
||
if (opnd->addr.offset.imm)
|
||
snprintf (buf, size, "[%s,#%d]", name, opnd->addr.offset.imm);
|
||
else
|
||
snprintf (buf, size, "[%s]", name);
|
||
break;
|
||
|
||
case AARCH64_OPND_SYSREG:
|
||
for (i = 0; aarch64_sys_regs[i].name; ++i)
|
||
if (aarch64_sys_regs[i].value == opnd->sysreg
|
||
&& ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i]))
|
||
break;
|
||
if (aarch64_sys_regs[i].name)
|
||
snprintf (buf, size, "%s", aarch64_sys_regs[i].name);
|
||
else
|
||
{
|
||
/* Implementation defined system register. */
|
||
unsigned int value = opnd->sysreg;
|
||
snprintf (buf, size, "s%u_%u_c%u_c%u_%u", (value >> 14) & 0x3,
|
||
(value >> 11) & 0x7, (value >> 7) & 0xf, (value >> 3) & 0xf,
|
||
value & 0x7);
|
||
}
|
||
break;
|
||
|
||
case AARCH64_OPND_PSTATEFIELD:
|
||
for (i = 0; aarch64_pstatefields[i].name; ++i)
|
||
if (aarch64_pstatefields[i].value == opnd->pstatefield)
|
||
break;
|
||
assert (aarch64_pstatefields[i].name);
|
||
snprintf (buf, size, "%s", aarch64_pstatefields[i].name);
|
||
break;
|
||
|
||
case AARCH64_OPND_SYSREG_AT:
|
||
case AARCH64_OPND_SYSREG_DC:
|
||
case AARCH64_OPND_SYSREG_IC:
|
||
case AARCH64_OPND_SYSREG_TLBI:
|
||
snprintf (buf, size, "%s", opnd->sysins_op->name);
|
||
break;
|
||
|
||
case AARCH64_OPND_BARRIER:
|
||
snprintf (buf, size, "%s", opnd->barrier->name);
|
||
break;
|
||
|
||
case AARCH64_OPND_BARRIER_ISB:
|
||
/* Operand can be omitted, e.g. in DCPS1. */
|
||
if (! optional_operand_p (opcode, idx)
|
||
|| (opnd->barrier->value
|
||
!= get_optional_operand_default_value (opcode)))
|
||
snprintf (buf, size, "#0x%x", opnd->barrier->value);
|
||
break;
|
||
|
||
case AARCH64_OPND_PRFOP:
|
||
if (opnd->prfop->name != NULL)
|
||
snprintf (buf, size, "%s", opnd->prfop->name);
|
||
else
|
||
snprintf (buf, size, "#0x%02x", opnd->prfop->value);
|
||
break;
|
||
|
||
case AARCH64_OPND_BARRIER_PSB:
|
||
snprintf (buf, size, "%s", opnd->hint_option->name);
|
||
break;
|
||
|
||
default:
|
||
assert (0);
|
||
}
|
||
}
|
||
|
||
#define CPENC(op0,op1,crn,crm,op2) \
|
||
((((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) >> 5)
|
||
/* for 3.9.3 Instructions for Accessing Special Purpose Registers */
|
||
#define CPEN_(op1,crm,op2) CPENC(3,(op1),4,(crm),(op2))
|
||
/* for 3.9.10 System Instructions */
|
||
#define CPENS(op1,crn,crm,op2) CPENC(1,(op1),(crn),(crm),(op2))
|
||
|
||
#define C0 0
|
||
#define C1 1
|
||
#define C2 2
|
||
#define C3 3
|
||
#define C4 4
|
||
#define C5 5
|
||
#define C6 6
|
||
#define C7 7
|
||
#define C8 8
|
||
#define C9 9
|
||
#define C10 10
|
||
#define C11 11
|
||
#define C12 12
|
||
#define C13 13
|
||
#define C14 14
|
||
#define C15 15
|
||
|
||
#ifdef F_DEPRECATED
|
||
#undef F_DEPRECATED
|
||
#endif
|
||
#define F_DEPRECATED 0x1 /* Deprecated system register. */
|
||
|
||
#ifdef F_ARCHEXT
|
||
#undef F_ARCHEXT
|
||
#endif
|
||
#define F_ARCHEXT 0x2 /* Architecture dependent system register. */
|
||
|
||
#ifdef F_HASXT
|
||
#undef F_HASXT
|
||
#endif
|
||
#define F_HASXT 0x4 /* System instruction register <Xt>
|
||
operand. */
|
||
|
||
|
||
/* TODO there are two more issues need to be resolved
|
||
1. handle read-only and write-only system registers
|
||
2. handle cpu-implementation-defined system registers. */
|
||
const aarch64_sys_reg aarch64_sys_regs [] =
|
||
{
|
||
{ "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */
|
||
{ "spsr_el12", CPEN_ (5, C0, 0), F_ARCHEXT },
|
||
{ "elr_el1", CPEN_(0,C0,1), 0 },
|
||
{ "elr_el12", CPEN_ (5, C0, 1), F_ARCHEXT },
|
||
{ "sp_el0", CPEN_(0,C1,0), 0 },
|
||
{ "spsel", CPEN_(0,C2,0), 0 },
|
||
{ "daif", CPEN_(3,C2,1), 0 },
|
||
{ "currentel", CPEN_(0,C2,2), 0 }, /* RO */
|
||
{ "pan", CPEN_(0,C2,3), F_ARCHEXT },
|
||
{ "uao", CPEN_ (0, C2, 4), F_ARCHEXT },
|
||
{ "nzcv", CPEN_(3,C2,0), 0 },
|
||
{ "fpcr", CPEN_(3,C4,0), 0 },
|
||
{ "fpsr", CPEN_(3,C4,1), 0 },
|
||
{ "dspsr_el0", CPEN_(3,C5,0), 0 },
|
||
{ "dlr_el0", CPEN_(3,C5,1), 0 },
|
||
{ "spsr_el2", CPEN_(4,C0,0), 0 }, /* = spsr_hyp */
|
||
{ "elr_el2", CPEN_(4,C0,1), 0 },
|
||
{ "sp_el1", CPEN_(4,C1,0), 0 },
|
||
{ "spsr_irq", CPEN_(4,C3,0), 0 },
|
||
{ "spsr_abt", CPEN_(4,C3,1), 0 },
|
||
{ "spsr_und", CPEN_(4,C3,2), 0 },
|
||
{ "spsr_fiq", CPEN_(4,C3,3), 0 },
|
||
{ "spsr_el3", CPEN_(6,C0,0), 0 },
|
||
{ "elr_el3", CPEN_(6,C0,1), 0 },
|
||
{ "sp_el2", CPEN_(6,C1,0), 0 },
|
||
{ "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */
|
||
{ "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */
|
||
{ "midr_el1", CPENC(3,0,C0,C0,0), 0 }, /* RO */
|
||
{ "ctr_el0", CPENC(3,3,C0,C0,1), 0 }, /* RO */
|
||
{ "mpidr_el1", CPENC(3,0,C0,C0,5), 0 }, /* RO */
|
||
{ "revidr_el1", CPENC(3,0,C0,C0,6), 0 }, /* RO */
|
||
{ "aidr_el1", CPENC(3,1,C0,C0,7), 0 }, /* RO */
|
||
{ "dczid_el0", CPENC(3,3,C0,C0,7), 0 }, /* RO */
|
||
{ "id_dfr0_el1", CPENC(3,0,C0,C1,2), 0 }, /* RO */
|
||
{ "id_pfr0_el1", CPENC(3,0,C0,C1,0), 0 }, /* RO */
|
||
{ "id_pfr1_el1", CPENC(3,0,C0,C1,1), 0 }, /* RO */
|
||
{ "id_afr0_el1", CPENC(3,0,C0,C1,3), 0 }, /* RO */
|
||
{ "id_mmfr0_el1", CPENC(3,0,C0,C1,4), 0 }, /* RO */
|
||
{ "id_mmfr1_el1", CPENC(3,0,C0,C1,5), 0 }, /* RO */
|
||
{ "id_mmfr2_el1", CPENC(3,0,C0,C1,6), 0 }, /* RO */
|
||
{ "id_mmfr3_el1", CPENC(3,0,C0,C1,7), 0 }, /* RO */
|
||
{ "id_mmfr4_el1", CPENC(3,0,C0,C2,6), 0 }, /* RO */
|
||
{ "id_isar0_el1", CPENC(3,0,C0,C2,0), 0 }, /* RO */
|
||
{ "id_isar1_el1", CPENC(3,0,C0,C2,1), 0 }, /* RO */
|
||
{ "id_isar2_el1", CPENC(3,0,C0,C2,2), 0 }, /* RO */
|
||
{ "id_isar3_el1", CPENC(3,0,C0,C2,3), 0 }, /* RO */
|
||
{ "id_isar4_el1", CPENC(3,0,C0,C2,4), 0 }, /* RO */
|
||
{ "id_isar5_el1", CPENC(3,0,C0,C2,5), 0 }, /* RO */
|
||
{ "mvfr0_el1", CPENC(3,0,C0,C3,0), 0 }, /* RO */
|
||
{ "mvfr1_el1", CPENC(3,0,C0,C3,1), 0 }, /* RO */
|
||
{ "mvfr2_el1", CPENC(3,0,C0,C3,2), 0 }, /* RO */
|
||
{ "ccsidr_el1", CPENC(3,1,C0,C0,0), 0 }, /* RO */
|
||
{ "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), 0 }, /* RO */
|
||
{ "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), 0 }, /* RO */
|
||
{ "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), 0 }, /* RO */
|
||
{ "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), 0 }, /* RO */
|
||
{ "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), 0 }, /* RO */
|
||
{ "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), 0 }, /* RO */
|
||
{ "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), 0 }, /* RO */
|
||
{ "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), 0 }, /* RO */
|
||
{ "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT }, /* RO */
|
||
{ "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), 0 }, /* RO */
|
||
{ "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), 0 }, /* RO */
|
||
{ "clidr_el1", CPENC(3,1,C0,C0,1), 0 }, /* RO */
|
||
{ "csselr_el1", CPENC(3,2,C0,C0,0), 0 }, /* RO */
|
||
{ "vpidr_el2", CPENC(3,4,C0,C0,0), 0 },
|
||
{ "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 },
|
||
{ "sctlr_el1", CPENC(3,0,C1,C0,0), 0 },
|
||
{ "sctlr_el2", CPENC(3,4,C1,C0,0), 0 },
|
||
{ "sctlr_el3", CPENC(3,6,C1,C0,0), 0 },
|
||
{ "sctlr_el12", CPENC (3, 5, C1, C0, 0), F_ARCHEXT },
|
||
{ "actlr_el1", CPENC(3,0,C1,C0,1), 0 },
|
||
{ "actlr_el2", CPENC(3,4,C1,C0,1), 0 },
|
||
{ "actlr_el3", CPENC(3,6,C1,C0,1), 0 },
|
||
{ "cpacr_el1", CPENC(3,0,C1,C0,2), 0 },
|
||
{ "cpacr_el12", CPENC (3, 5, C1, C0, 2), F_ARCHEXT },
|
||
{ "cptr_el2", CPENC(3,4,C1,C1,2), 0 },
|
||
{ "cptr_el3", CPENC(3,6,C1,C1,2), 0 },
|
||
{ "scr_el3", CPENC(3,6,C1,C1,0), 0 },
|
||
{ "hcr_el2", CPENC(3,4,C1,C1,0), 0 },
|
||
{ "mdcr_el2", CPENC(3,4,C1,C1,1), 0 },
|
||
{ "mdcr_el3", CPENC(3,6,C1,C3,1), 0 },
|
||
{ "hstr_el2", CPENC(3,4,C1,C1,3), 0 },
|
||
{ "hacr_el2", CPENC(3,4,C1,C1,7), 0 },
|
||
{ "ttbr0_el1", CPENC(3,0,C2,C0,0), 0 },
|
||
{ "ttbr1_el1", CPENC(3,0,C2,C0,1), 0 },
|
||
{ "ttbr0_el2", CPENC(3,4,C2,C0,0), 0 },
|
||
{ "ttbr1_el2", CPENC (3, 4, C2, C0, 1), F_ARCHEXT },
|
||
{ "ttbr0_el3", CPENC(3,6,C2,C0,0), 0 },
|
||
{ "ttbr0_el12", CPENC (3, 5, C2, C0, 0), F_ARCHEXT },
|
||
{ "ttbr1_el12", CPENC (3, 5, C2, C0, 1), F_ARCHEXT },
|
||
{ "vttbr_el2", CPENC(3,4,C2,C1,0), 0 },
|
||
{ "tcr_el1", CPENC(3,0,C2,C0,2), 0 },
|
||
{ "tcr_el2", CPENC(3,4,C2,C0,2), 0 },
|
||
{ "tcr_el3", CPENC(3,6,C2,C0,2), 0 },
|
||
{ "tcr_el12", CPENC (3, 5, C2, C0, 2), F_ARCHEXT },
|
||
{ "vtcr_el2", CPENC(3,4,C2,C1,2), 0 },
|
||
{ "afsr0_el1", CPENC(3,0,C5,C1,0), 0 },
|
||
{ "afsr1_el1", CPENC(3,0,C5,C1,1), 0 },
|
||
{ "afsr0_el2", CPENC(3,4,C5,C1,0), 0 },
|
||
{ "afsr1_el2", CPENC(3,4,C5,C1,1), 0 },
|
||
{ "afsr0_el3", CPENC(3,6,C5,C1,0), 0 },
|
||
{ "afsr0_el12", CPENC (3, 5, C5, C1, 0), F_ARCHEXT },
|
||
{ "afsr1_el3", CPENC(3,6,C5,C1,1), 0 },
|
||
{ "afsr1_el12", CPENC (3, 5, C5, C1, 1), F_ARCHEXT },
|
||
{ "esr_el1", CPENC(3,0,C5,C2,0), 0 },
|
||
{ "esr_el2", CPENC(3,4,C5,C2,0), 0 },
|
||
{ "esr_el3", CPENC(3,6,C5,C2,0), 0 },
|
||
{ "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT },
|
||
{ "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT }, /* RO */
|
||
{ "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 },
|
||
{ "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT }, /* RO */
|
||
{ "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT },
|
||
{ "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT }, /* RO */
|
||
{ "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT },
|
||
{ "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT },
|
||
{ "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT },
|
||
{ "erxmisc0_el1", CPENC (3, 0, C5, C5, 0), F_ARCHEXT },
|
||
{ "erxmisc1_el1", CPENC (3, 0, C5, C5, 1), F_ARCHEXT },
|
||
{ "far_el1", CPENC(3,0,C6,C0,0), 0 },
|
||
{ "far_el2", CPENC(3,4,C6,C0,0), 0 },
|
||
{ "far_el3", CPENC(3,6,C6,C0,0), 0 },
|
||
{ "far_el12", CPENC (3, 5, C6, C0, 0), F_ARCHEXT },
|
||
{ "hpfar_el2", CPENC(3,4,C6,C0,4), 0 },
|
||
{ "par_el1", CPENC(3,0,C7,C4,0), 0 },
|
||
{ "mair_el1", CPENC(3,0,C10,C2,0), 0 },
|
||
{ "mair_el2", CPENC(3,4,C10,C2,0), 0 },
|
||
{ "mair_el3", CPENC(3,6,C10,C2,0), 0 },
|
||
{ "mair_el12", CPENC (3, 5, C10, C2, 0), F_ARCHEXT },
|
||
{ "amair_el1", CPENC(3,0,C10,C3,0), 0 },
|
||
{ "amair_el2", CPENC(3,4,C10,C3,0), 0 },
|
||
{ "amair_el3", CPENC(3,6,C10,C3,0), 0 },
|
||
{ "amair_el12", CPENC (3, 5, C10, C3, 0), F_ARCHEXT },
|
||
{ "vbar_el1", CPENC(3,0,C12,C0,0), 0 },
|
||
{ "vbar_el2", CPENC(3,4,C12,C0,0), 0 },
|
||
{ "vbar_el3", CPENC(3,6,C12,C0,0), 0 },
|
||
{ "vbar_el12", CPENC (3, 5, C12, C0, 0), F_ARCHEXT },
|
||
{ "rvbar_el1", CPENC(3,0,C12,C0,1), 0 }, /* RO */
|
||
{ "rvbar_el2", CPENC(3,4,C12,C0,1), 0 }, /* RO */
|
||
{ "rvbar_el3", CPENC(3,6,C12,C0,1), 0 }, /* RO */
|
||
{ "rmr_el1", CPENC(3,0,C12,C0,2), 0 },
|
||
{ "rmr_el2", CPENC(3,4,C12,C0,2), 0 },
|
||
{ "rmr_el3", CPENC(3,6,C12,C0,2), 0 },
|
||
{ "isr_el1", CPENC(3,0,C12,C1,0), 0 }, /* RO */
|
||
{ "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT },
|
||
{ "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT },
|
||
{ "contextidr_el1", CPENC(3,0,C13,C0,1), 0 },
|
||
{ "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT },
|
||
{ "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT },
|
||
{ "tpidr_el0", CPENC(3,3,C13,C0,2), 0 },
|
||
{ "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RO */
|
||
{ "tpidr_el1", CPENC(3,0,C13,C0,4), 0 },
|
||
{ "tpidr_el2", CPENC(3,4,C13,C0,2), 0 },
|
||
{ "tpidr_el3", CPENC(3,6,C13,C0,2), 0 },
|
||
{ "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */
|
||
{ "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RO */
|
||
{ "cntpct_el0", CPENC(3,3,C14,C0,1), 0 }, /* RO */
|
||
{ "cntvct_el0", CPENC(3,3,C14,C0,2), 0 }, /* RO */
|
||
{ "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 },
|
||
{ "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 },
|
||
{ "cntkctl_el12", CPENC (3, 5, C14, C1, 0), F_ARCHEXT },
|
||
{ "cnthctl_el2", CPENC(3,4,C14,C1,0), 0 },
|
||
{ "cntp_tval_el0", CPENC(3,3,C14,C2,0), 0 },
|
||
{ "cntp_tval_el02", CPENC (3, 5, C14, C2, 0), F_ARCHEXT },
|
||
{ "cntp_ctl_el0", CPENC(3,3,C14,C2,1), 0 },
|
||
{ "cntp_ctl_el02", CPENC (3, 5, C14, C2, 1), F_ARCHEXT },
|
||
{ "cntp_cval_el0", CPENC(3,3,C14,C2,2), 0 },
|
||
{ "cntp_cval_el02", CPENC (3, 5, C14, C2, 2), F_ARCHEXT },
|
||
{ "cntv_tval_el0", CPENC(3,3,C14,C3,0), 0 },
|
||
{ "cntv_tval_el02", CPENC (3, 5, C14, C3, 0), F_ARCHEXT },
|
||
{ "cntv_ctl_el0", CPENC(3,3,C14,C3,1), 0 },
|
||
{ "cntv_ctl_el02", CPENC (3, 5, C14, C3, 1), F_ARCHEXT },
|
||
{ "cntv_cval_el0", CPENC(3,3,C14,C3,2), 0 },
|
||
{ "cntv_cval_el02", CPENC (3, 5, C14, C3, 2), F_ARCHEXT },
|
||
{ "cnthp_tval_el2", CPENC(3,4,C14,C2,0), 0 },
|
||
{ "cnthp_ctl_el2", CPENC(3,4,C14,C2,1), 0 },
|
||
{ "cnthp_cval_el2", CPENC(3,4,C14,C2,2), 0 },
|
||
{ "cntps_tval_el1", CPENC(3,7,C14,C2,0), 0 },
|
||
{ "cntps_ctl_el1", CPENC(3,7,C14,C2,1), 0 },
|
||
{ "cntps_cval_el1", CPENC(3,7,C14,C2,2), 0 },
|
||
{ "cnthv_tval_el2", CPENC (3, 4, C14, C3, 0), F_ARCHEXT },
|
||
{ "cnthv_ctl_el2", CPENC (3, 4, C14, C3, 1), F_ARCHEXT },
|
||
{ "cnthv_cval_el2", CPENC (3, 4, C14, C3, 2), F_ARCHEXT },
|
||
{ "dacr32_el2", CPENC(3,4,C3,C0,0), 0 },
|
||
{ "ifsr32_el2", CPENC(3,4,C5,C0,1), 0 },
|
||
{ "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 },
|
||
{ "sder32_el3", CPENC(3,6,C1,C1,1), 0 },
|
||
{ "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 },
|
||
{ "mdccsr_el0", CPENC(2,3,C0, C1, 0), 0 }, /* r */
|
||
{ "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 },
|
||
{ "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 },
|
||
{ "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), 0 }, /* r */
|
||
{ "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), 0 }, /* w */
|
||
{ "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 }, /* r */
|
||
{ "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 }, /* w */
|
||
{ "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 },
|
||
{ "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 },
|
||
{ "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 },
|
||
{ "dbgbvr1_el1", CPENC(2,0,C0, C1, 4), 0 },
|
||
{ "dbgbvr2_el1", CPENC(2,0,C0, C2, 4), 0 },
|
||
{ "dbgbvr3_el1", CPENC(2,0,C0, C3, 4), 0 },
|
||
{ "dbgbvr4_el1", CPENC(2,0,C0, C4, 4), 0 },
|
||
{ "dbgbvr5_el1", CPENC(2,0,C0, C5, 4), 0 },
|
||
{ "dbgbvr6_el1", CPENC(2,0,C0, C6, 4), 0 },
|
||
{ "dbgbvr7_el1", CPENC(2,0,C0, C7, 4), 0 },
|
||
{ "dbgbvr8_el1", CPENC(2,0,C0, C8, 4), 0 },
|
||
{ "dbgbvr9_el1", CPENC(2,0,C0, C9, 4), 0 },
|
||
{ "dbgbvr10_el1", CPENC(2,0,C0, C10,4), 0 },
|
||
{ "dbgbvr11_el1", CPENC(2,0,C0, C11,4), 0 },
|
||
{ "dbgbvr12_el1", CPENC(2,0,C0, C12,4), 0 },
|
||
{ "dbgbvr13_el1", CPENC(2,0,C0, C13,4), 0 },
|
||
{ "dbgbvr14_el1", CPENC(2,0,C0, C14,4), 0 },
|
||
{ "dbgbvr15_el1", CPENC(2,0,C0, C15,4), 0 },
|
||
{ "dbgbcr0_el1", CPENC(2,0,C0, C0, 5), 0 },
|
||
{ "dbgbcr1_el1", CPENC(2,0,C0, C1, 5), 0 },
|
||
{ "dbgbcr2_el1", CPENC(2,0,C0, C2, 5), 0 },
|
||
{ "dbgbcr3_el1", CPENC(2,0,C0, C3, 5), 0 },
|
||
{ "dbgbcr4_el1", CPENC(2,0,C0, C4, 5), 0 },
|
||
{ "dbgbcr5_el1", CPENC(2,0,C0, C5, 5), 0 },
|
||
{ "dbgbcr6_el1", CPENC(2,0,C0, C6, 5), 0 },
|
||
{ "dbgbcr7_el1", CPENC(2,0,C0, C7, 5), 0 },
|
||
{ "dbgbcr8_el1", CPENC(2,0,C0, C8, 5), 0 },
|
||
{ "dbgbcr9_el1", CPENC(2,0,C0, C9, 5), 0 },
|
||
{ "dbgbcr10_el1", CPENC(2,0,C0, C10,5), 0 },
|
||
{ "dbgbcr11_el1", CPENC(2,0,C0, C11,5), 0 },
|
||
{ "dbgbcr12_el1", CPENC(2,0,C0, C12,5), 0 },
|
||
{ "dbgbcr13_el1", CPENC(2,0,C0, C13,5), 0 },
|
||
{ "dbgbcr14_el1", CPENC(2,0,C0, C14,5), 0 },
|
||
{ "dbgbcr15_el1", CPENC(2,0,C0, C15,5), 0 },
|
||
{ "dbgwvr0_el1", CPENC(2,0,C0, C0, 6), 0 },
|
||
{ "dbgwvr1_el1", CPENC(2,0,C0, C1, 6), 0 },
|
||
{ "dbgwvr2_el1", CPENC(2,0,C0, C2, 6), 0 },
|
||
{ "dbgwvr3_el1", CPENC(2,0,C0, C3, 6), 0 },
|
||
{ "dbgwvr4_el1", CPENC(2,0,C0, C4, 6), 0 },
|
||
{ "dbgwvr5_el1", CPENC(2,0,C0, C5, 6), 0 },
|
||
{ "dbgwvr6_el1", CPENC(2,0,C0, C6, 6), 0 },
|
||
{ "dbgwvr7_el1", CPENC(2,0,C0, C7, 6), 0 },
|
||
{ "dbgwvr8_el1", CPENC(2,0,C0, C8, 6), 0 },
|
||
{ "dbgwvr9_el1", CPENC(2,0,C0, C9, 6), 0 },
|
||
{ "dbgwvr10_el1", CPENC(2,0,C0, C10,6), 0 },
|
||
{ "dbgwvr11_el1", CPENC(2,0,C0, C11,6), 0 },
|
||
{ "dbgwvr12_el1", CPENC(2,0,C0, C12,6), 0 },
|
||
{ "dbgwvr13_el1", CPENC(2,0,C0, C13,6), 0 },
|
||
{ "dbgwvr14_el1", CPENC(2,0,C0, C14,6), 0 },
|
||
{ "dbgwvr15_el1", CPENC(2,0,C0, C15,6), 0 },
|
||
{ "dbgwcr0_el1", CPENC(2,0,C0, C0, 7), 0 },
|
||
{ "dbgwcr1_el1", CPENC(2,0,C0, C1, 7), 0 },
|
||
{ "dbgwcr2_el1", CPENC(2,0,C0, C2, 7), 0 },
|
||
{ "dbgwcr3_el1", CPENC(2,0,C0, C3, 7), 0 },
|
||
{ "dbgwcr4_el1", CPENC(2,0,C0, C4, 7), 0 },
|
||
{ "dbgwcr5_el1", CPENC(2,0,C0, C5, 7), 0 },
|
||
{ "dbgwcr6_el1", CPENC(2,0,C0, C6, 7), 0 },
|
||
{ "dbgwcr7_el1", CPENC(2,0,C0, C7, 7), 0 },
|
||
{ "dbgwcr8_el1", CPENC(2,0,C0, C8, 7), 0 },
|
||
{ "dbgwcr9_el1", CPENC(2,0,C0, C9, 7), 0 },
|
||
{ "dbgwcr10_el1", CPENC(2,0,C0, C10,7), 0 },
|
||
{ "dbgwcr11_el1", CPENC(2,0,C0, C11,7), 0 },
|
||
{ "dbgwcr12_el1", CPENC(2,0,C0, C12,7), 0 },
|
||
{ "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 },
|
||
{ "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 },
|
||
{ "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 },
|
||
{ "mdrar_el1", CPENC(2,0,C1, C0, 0), 0 }, /* r */
|
||
{ "oslar_el1", CPENC(2,0,C1, C0, 4), 0 }, /* w */
|
||
{ "oslsr_el1", CPENC(2,0,C1, C1, 4), 0 }, /* r */
|
||
{ "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 },
|
||
{ "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 },
|
||
{ "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 },
|
||
{ "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 },
|
||
{ "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), 0 }, /* r */
|
||
{ "pmblimitr_el1", CPENC (3, 0, C9, C10, 0), F_ARCHEXT }, /* rw */
|
||
{ "pmbptr_el1", CPENC (3, 0, C9, C10, 1), F_ARCHEXT }, /* rw */
|
||
{ "pmbsr_el1", CPENC (3, 0, C9, C10, 3), F_ARCHEXT }, /* rw */
|
||
{ "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT }, /* ro */
|
||
{ "pmscr_el1", CPENC (3, 0, C9, C9, 0), F_ARCHEXT }, /* rw */
|
||
{ "pmsicr_el1", CPENC (3, 0, C9, C9, 2), F_ARCHEXT }, /* rw */
|
||
{ "pmsirr_el1", CPENC (3, 0, C9, C9, 3), F_ARCHEXT }, /* rw */
|
||
{ "pmsfcr_el1", CPENC (3, 0, C9, C9, 4), F_ARCHEXT }, /* rw */
|
||
{ "pmsevfr_el1", CPENC (3, 0, C9, C9, 5), F_ARCHEXT }, /* rw */
|
||
{ "pmslatfr_el1", CPENC (3, 0, C9, C9, 6), F_ARCHEXT }, /* rw */
|
||
{ "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT }, /* ro */
|
||
{ "pmscr_el2", CPENC (3, 4, C9, C9, 0), F_ARCHEXT }, /* rw */
|
||
{ "pmscr_el12", CPENC (3, 5, C9, C9, 0), F_ARCHEXT }, /* rw */
|
||
{ "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 },
|
||
{ "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 },
|
||
{ "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 },
|
||
{ "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 },
|
||
{ "pmswinc_el0", CPENC(3,3,C9,C12, 4), 0 }, /* w */
|
||
{ "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 },
|
||
{ "pmceid0_el0", CPENC(3,3,C9,C12, 6), 0 }, /* r */
|
||
{ "pmceid1_el0", CPENC(3,3,C9,C12, 7), 0 }, /* r */
|
||
{ "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 },
|
||
{ "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 },
|
||
{ "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 },
|
||
{ "pmuserenr_el0", CPENC(3,3,C9,C14, 0), 0 },
|
||
{ "pmintenset_el1", CPENC(3,0,C9,C14, 1), 0 },
|
||
{ "pmintenclr_el1", CPENC(3,0,C9,C14, 2), 0 },
|
||
{ "pmovsset_el0", CPENC(3,3,C9,C14, 3), 0 },
|
||
{ "pmevcntr0_el0", CPENC(3,3,C14,C8, 0), 0 },
|
||
{ "pmevcntr1_el0", CPENC(3,3,C14,C8, 1), 0 },
|
||
{ "pmevcntr2_el0", CPENC(3,3,C14,C8, 2), 0 },
|
||
{ "pmevcntr3_el0", CPENC(3,3,C14,C8, 3), 0 },
|
||
{ "pmevcntr4_el0", CPENC(3,3,C14,C8, 4), 0 },
|
||
{ "pmevcntr5_el0", CPENC(3,3,C14,C8, 5), 0 },
|
||
{ "pmevcntr6_el0", CPENC(3,3,C14,C8, 6), 0 },
|
||
{ "pmevcntr7_el0", CPENC(3,3,C14,C8, 7), 0 },
|
||
{ "pmevcntr8_el0", CPENC(3,3,C14,C9, 0), 0 },
|
||
{ "pmevcntr9_el0", CPENC(3,3,C14,C9, 1), 0 },
|
||
{ "pmevcntr10_el0", CPENC(3,3,C14,C9, 2), 0 },
|
||
{ "pmevcntr11_el0", CPENC(3,3,C14,C9, 3), 0 },
|
||
{ "pmevcntr12_el0", CPENC(3,3,C14,C9, 4), 0 },
|
||
{ "pmevcntr13_el0", CPENC(3,3,C14,C9, 5), 0 },
|
||
{ "pmevcntr14_el0", CPENC(3,3,C14,C9, 6), 0 },
|
||
{ "pmevcntr15_el0", CPENC(3,3,C14,C9, 7), 0 },
|
||
{ "pmevcntr16_el0", CPENC(3,3,C14,C10,0), 0 },
|
||
{ "pmevcntr17_el0", CPENC(3,3,C14,C10,1), 0 },
|
||
{ "pmevcntr18_el0", CPENC(3,3,C14,C10,2), 0 },
|
||
{ "pmevcntr19_el0", CPENC(3,3,C14,C10,3), 0 },
|
||
{ "pmevcntr20_el0", CPENC(3,3,C14,C10,4), 0 },
|
||
{ "pmevcntr21_el0", CPENC(3,3,C14,C10,5), 0 },
|
||
{ "pmevcntr22_el0", CPENC(3,3,C14,C10,6), 0 },
|
||
{ "pmevcntr23_el0", CPENC(3,3,C14,C10,7), 0 },
|
||
{ "pmevcntr24_el0", CPENC(3,3,C14,C11,0), 0 },
|
||
{ "pmevcntr25_el0", CPENC(3,3,C14,C11,1), 0 },
|
||
{ "pmevcntr26_el0", CPENC(3,3,C14,C11,2), 0 },
|
||
{ "pmevcntr27_el0", CPENC(3,3,C14,C11,3), 0 },
|
||
{ "pmevcntr28_el0", CPENC(3,3,C14,C11,4), 0 },
|
||
{ "pmevcntr29_el0", CPENC(3,3,C14,C11,5), 0 },
|
||
{ "pmevcntr30_el0", CPENC(3,3,C14,C11,6), 0 },
|
||
{ "pmevtyper0_el0", CPENC(3,3,C14,C12,0), 0 },
|
||
{ "pmevtyper1_el0", CPENC(3,3,C14,C12,1), 0 },
|
||
{ "pmevtyper2_el0", CPENC(3,3,C14,C12,2), 0 },
|
||
{ "pmevtyper3_el0", CPENC(3,3,C14,C12,3), 0 },
|
||
{ "pmevtyper4_el0", CPENC(3,3,C14,C12,4), 0 },
|
||
{ "pmevtyper5_el0", CPENC(3,3,C14,C12,5), 0 },
|
||
{ "pmevtyper6_el0", CPENC(3,3,C14,C12,6), 0 },
|
||
{ "pmevtyper7_el0", CPENC(3,3,C14,C12,7), 0 },
|
||
{ "pmevtyper8_el0", CPENC(3,3,C14,C13,0), 0 },
|
||
{ "pmevtyper9_el0", CPENC(3,3,C14,C13,1), 0 },
|
||
{ "pmevtyper10_el0", CPENC(3,3,C14,C13,2), 0 },
|
||
{ "pmevtyper11_el0", CPENC(3,3,C14,C13,3), 0 },
|
||
{ "pmevtyper12_el0", CPENC(3,3,C14,C13,4), 0 },
|
||
{ "pmevtyper13_el0", CPENC(3,3,C14,C13,5), 0 },
|
||
{ "pmevtyper14_el0", CPENC(3,3,C14,C13,6), 0 },
|
||
{ "pmevtyper15_el0", CPENC(3,3,C14,C13,7), 0 },
|
||
{ "pmevtyper16_el0", CPENC(3,3,C14,C14,0), 0 },
|
||
{ "pmevtyper17_el0", CPENC(3,3,C14,C14,1), 0 },
|
||
{ "pmevtyper18_el0", CPENC(3,3,C14,C14,2), 0 },
|
||
{ "pmevtyper19_el0", CPENC(3,3,C14,C14,3), 0 },
|
||
{ "pmevtyper20_el0", CPENC(3,3,C14,C14,4), 0 },
|
||
{ "pmevtyper21_el0", CPENC(3,3,C14,C14,5), 0 },
|
||
{ "pmevtyper22_el0", CPENC(3,3,C14,C14,6), 0 },
|
||
{ "pmevtyper23_el0", CPENC(3,3,C14,C14,7), 0 },
|
||
{ "pmevtyper24_el0", CPENC(3,3,C14,C15,0), 0 },
|
||
{ "pmevtyper25_el0", CPENC(3,3,C14,C15,1), 0 },
|
||
{ "pmevtyper26_el0", CPENC(3,3,C14,C15,2), 0 },
|
||
{ "pmevtyper27_el0", CPENC(3,3,C14,C15,3), 0 },
|
||
{ "pmevtyper28_el0", CPENC(3,3,C14,C15,4), 0 },
|
||
{ "pmevtyper29_el0", CPENC(3,3,C14,C15,5), 0 },
|
||
{ "pmevtyper30_el0", CPENC(3,3,C14,C15,6), 0 },
|
||
{ "pmccfiltr_el0", CPENC(3,3,C14,C15,7), 0 },
|
||
{ 0, CPENC(0,0,0,0,0), 0 },
|
||
};
|
||
|
||
bfd_boolean
|
||
aarch64_sys_reg_deprecated_p (const aarch64_sys_reg *reg)
|
||
{
|
||
return (reg->flags & F_DEPRECATED) != 0;
|
||
}
|
||
|
||
bfd_boolean
|
||
aarch64_sys_reg_supported_p (const aarch64_feature_set features,
|
||
const aarch64_sys_reg *reg)
|
||
{
|
||
if (!(reg->flags & F_ARCHEXT))
|
||
return TRUE;
|
||
|
||
/* PAN. Values are from aarch64_sys_regs. */
|
||
if (reg->value == CPEN_(0,C2,3)
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
|
||
return FALSE;
|
||
|
||
/* Virtualization host extensions: system registers. */
|
||
if ((reg->value == CPENC (3, 4, C2, C0, 1)
|
||
|| reg->value == CPENC (3, 4, C13, C0, 1)
|
||
|| reg->value == CPENC (3, 4, C14, C3, 0)
|
||
|| reg->value == CPENC (3, 4, C14, C3, 1)
|
||
|| reg->value == CPENC (3, 4, C14, C3, 2))
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
|
||
return FALSE;
|
||
|
||
/* Virtualization host extensions: *_el12 names of *_el1 registers. */
|
||
if ((reg->value == CPEN_ (5, C0, 0)
|
||
|| reg->value == CPEN_ (5, C0, 1)
|
||
|| reg->value == CPENC (3, 5, C1, C0, 0)
|
||
|| reg->value == CPENC (3, 5, C1, C0, 2)
|
||
|| reg->value == CPENC (3, 5, C2, C0, 0)
|
||
|| reg->value == CPENC (3, 5, C2, C0, 1)
|
||
|| reg->value == CPENC (3, 5, C2, C0, 2)
|
||
|| reg->value == CPENC (3, 5, C5, C1, 0)
|
||
|| reg->value == CPENC (3, 5, C5, C1, 1)
|
||
|| reg->value == CPENC (3, 5, C5, C2, 0)
|
||
|| reg->value == CPENC (3, 5, C6, C0, 0)
|
||
|| reg->value == CPENC (3, 5, C10, C2, 0)
|
||
|| reg->value == CPENC (3, 5, C10, C3, 0)
|
||
|| reg->value == CPENC (3, 5, C12, C0, 0)
|
||
|| reg->value == CPENC (3, 5, C13, C0, 1)
|
||
|| reg->value == CPENC (3, 5, C14, C1, 0))
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
|
||
return FALSE;
|
||
|
||
/* Virtualization host extensions: *_el02 names of *_el0 registers. */
|
||
if ((reg->value == CPENC (3, 5, C14, C2, 0)
|
||
|| reg->value == CPENC (3, 5, C14, C2, 1)
|
||
|| reg->value == CPENC (3, 5, C14, C2, 2)
|
||
|| reg->value == CPENC (3, 5, C14, C3, 0)
|
||
|| reg->value == CPENC (3, 5, C14, C3, 1)
|
||
|| reg->value == CPENC (3, 5, C14, C3, 2))
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
|
||
return FALSE;
|
||
|
||
/* ARMv8.2 features. */
|
||
|
||
/* ID_AA64MMFR2_EL1. */
|
||
if (reg->value == CPENC (3, 0, C0, C7, 2)
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
|
||
return FALSE;
|
||
|
||
/* PSTATE.UAO. */
|
||
if (reg->value == CPEN_ (0, C2, 4)
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
|
||
return FALSE;
|
||
|
||
/* RAS extension. */
|
||
|
||
/* ERRIDR_EL1, ERRSELR_EL1, ERXFR_EL1, ERXCTLR_EL1, ERXSTATUS_EL, ERXADDR_EL1,
|
||
ERXMISC0_EL1 AND ERXMISC1_EL1. */
|
||
if ((reg->value == CPENC (3, 0, C5, C3, 0)
|
||
|| reg->value == CPENC (3, 0, C5, C3, 1)
|
||
|| reg->value == CPENC (3, 0, C5, C3, 2)
|
||
|| reg->value == CPENC (3, 0, C5, C3, 3)
|
||
|| reg->value == CPENC (3, 0, C5, C4, 0)
|
||
|| reg->value == CPENC (3, 0, C5, C4, 1)
|
||
|| reg->value == CPENC (3, 0, C5, C4, 2)
|
||
|| reg->value == CPENC (3, 0, C5, C4, 3)
|
||
|| reg->value == CPENC (3, 0, C5, C5, 0)
|
||
|| reg->value == CPENC (3, 0, C5, C5, 1))
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
|
||
return FALSE;
|
||
|
||
/* VSESR_EL2, DISR_EL1 and VDISR_EL2. */
|
||
if ((reg->value == CPENC (3, 4, C5, C2, 3)
|
||
|| reg->value == CPENC (3, 0, C12, C1, 1)
|
||
|| reg->value == CPENC (3, 4, C12, C1, 1))
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
|
||
return FALSE;
|
||
|
||
/* Statistical Profiling extension. */
|
||
if ((reg->value == CPENC (3, 0, C9, C10, 0)
|
||
|| reg->value == CPENC (3, 0, C9, C10, 1)
|
||
|| reg->value == CPENC (3, 0, C9, C10, 3)
|
||
|| reg->value == CPENC (3, 0, C9, C10, 7)
|
||
|| reg->value == CPENC (3, 0, C9, C9, 0)
|
||
|| reg->value == CPENC (3, 0, C9, C9, 2)
|
||
|| reg->value == CPENC (3, 0, C9, C9, 3)
|
||
|| reg->value == CPENC (3, 0, C9, C9, 4)
|
||
|| reg->value == CPENC (3, 0, C9, C9, 5)
|
||
|| reg->value == CPENC (3, 0, C9, C9, 6)
|
||
|| reg->value == CPENC (3, 0, C9, C9, 7)
|
||
|| reg->value == CPENC (3, 4, C9, C9, 0)
|
||
|| reg->value == CPENC (3, 5, C9, C9, 0))
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PROFILE))
|
||
return FALSE;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
const aarch64_sys_reg aarch64_pstatefields [] =
|
||
{
|
||
{ "spsel", 0x05, 0 },
|
||
{ "daifset", 0x1e, 0 },
|
||
{ "daifclr", 0x1f, 0 },
|
||
{ "pan", 0x04, F_ARCHEXT },
|
||
{ "uao", 0x03, F_ARCHEXT },
|
||
{ 0, CPENC(0,0,0,0,0), 0 },
|
||
};
|
||
|
||
bfd_boolean
|
||
aarch64_pstatefield_supported_p (const aarch64_feature_set features,
|
||
const aarch64_sys_reg *reg)
|
||
{
|
||
if (!(reg->flags & F_ARCHEXT))
|
||
return TRUE;
|
||
|
||
/* PAN. Values are from aarch64_pstatefields. */
|
||
if (reg->value == 0x04
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
|
||
return FALSE;
|
||
|
||
/* UAO. Values are from aarch64_pstatefields. */
|
||
if (reg->value == 0x03
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
|
||
return FALSE;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
const aarch64_sys_ins_reg aarch64_sys_regs_ic[] =
|
||
{
|
||
{ "ialluis", CPENS(0,C7,C1,0), 0 },
|
||
{ "iallu", CPENS(0,C7,C5,0), 0 },
|
||
{ "ivau", CPENS (3, C7, C5, 1), F_HASXT },
|
||
{ 0, CPENS(0,0,0,0), 0 }
|
||
};
|
||
|
||
const aarch64_sys_ins_reg aarch64_sys_regs_dc[] =
|
||
{
|
||
{ "zva", CPENS (3, C7, C4, 1), F_HASXT },
|
||
{ "ivac", CPENS (0, C7, C6, 1), F_HASXT },
|
||
{ "isw", CPENS (0, C7, C6, 2), F_HASXT },
|
||
{ "cvac", CPENS (3, C7, C10, 1), F_HASXT },
|
||
{ "csw", CPENS (0, C7, C10, 2), F_HASXT },
|
||
{ "cvau", CPENS (3, C7, C11, 1), F_HASXT },
|
||
{ "cvap", CPENS (3, C7, C12, 1), F_HASXT | F_ARCHEXT },
|
||
{ "civac", CPENS (3, C7, C14, 1), F_HASXT },
|
||
{ "cisw", CPENS (0, C7, C14, 2), F_HASXT },
|
||
{ 0, CPENS(0,0,0,0), 0 }
|
||
};
|
||
|
||
const aarch64_sys_ins_reg aarch64_sys_regs_at[] =
|
||
{
|
||
{ "s1e1r", CPENS (0, C7, C8, 0), F_HASXT },
|
||
{ "s1e1w", CPENS (0, C7, C8, 1), F_HASXT },
|
||
{ "s1e0r", CPENS (0, C7, C8, 2), F_HASXT },
|
||
{ "s1e0w", CPENS (0, C7, C8, 3), F_HASXT },
|
||
{ "s12e1r", CPENS (4, C7, C8, 4), F_HASXT },
|
||
{ "s12e1w", CPENS (4, C7, C8, 5), F_HASXT },
|
||
{ "s12e0r", CPENS (4, C7, C8, 6), F_HASXT },
|
||
{ "s12e0w", CPENS (4, C7, C8, 7), F_HASXT },
|
||
{ "s1e2r", CPENS (4, C7, C8, 0), F_HASXT },
|
||
{ "s1e2w", CPENS (4, C7, C8, 1), F_HASXT },
|
||
{ "s1e3r", CPENS (6, C7, C8, 0), F_HASXT },
|
||
{ "s1e3w", CPENS (6, C7, C8, 1), F_HASXT },
|
||
{ "s1e1rp", CPENS (0, C7, C9, 0), F_HASXT | F_ARCHEXT },
|
||
{ "s1e1wp", CPENS (0, C7, C9, 1), F_HASXT | F_ARCHEXT },
|
||
{ 0, CPENS(0,0,0,0), 0 }
|
||
};
|
||
|
||
const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
|
||
{
|
||
{ "vmalle1", CPENS(0,C8,C7,0), 0 },
|
||
{ "vae1", CPENS (0, C8, C7, 1), F_HASXT },
|
||
{ "aside1", CPENS (0, C8, C7, 2), F_HASXT },
|
||
{ "vaae1", CPENS (0, C8, C7, 3), F_HASXT },
|
||
{ "vmalle1is", CPENS(0,C8,C3,0), 0 },
|
||
{ "vae1is", CPENS (0, C8, C3, 1), F_HASXT },
|
||
{ "aside1is", CPENS (0, C8, C3, 2), F_HASXT },
|
||
{ "vaae1is", CPENS (0, C8, C3, 3), F_HASXT },
|
||
{ "ipas2e1is", CPENS (4, C8, C0, 1), F_HASXT },
|
||
{ "ipas2le1is",CPENS (4, C8, C0, 5), F_HASXT },
|
||
{ "ipas2e1", CPENS (4, C8, C4, 1), F_HASXT },
|
||
{ "ipas2le1", CPENS (4, C8, C4, 5), F_HASXT },
|
||
{ "vae2", CPENS (4, C8, C7, 1), F_HASXT },
|
||
{ "vae2is", CPENS (4, C8, C3, 1), F_HASXT },
|
||
{ "vmalls12e1",CPENS(4,C8,C7,6), 0 },
|
||
{ "vmalls12e1is",CPENS(4,C8,C3,6), 0 },
|
||
{ "vae3", CPENS (6, C8, C7, 1), F_HASXT },
|
||
{ "vae3is", CPENS (6, C8, C3, 1), F_HASXT },
|
||
{ "alle2", CPENS(4,C8,C7,0), 0 },
|
||
{ "alle2is", CPENS(4,C8,C3,0), 0 },
|
||
{ "alle1", CPENS(4,C8,C7,4), 0 },
|
||
{ "alle1is", CPENS(4,C8,C3,4), 0 },
|
||
{ "alle3", CPENS(6,C8,C7,0), 0 },
|
||
{ "alle3is", CPENS(6,C8,C3,0), 0 },
|
||
{ "vale1is", CPENS (0, C8, C3, 5), F_HASXT },
|
||
{ "vale2is", CPENS (4, C8, C3, 5), F_HASXT },
|
||
{ "vale3is", CPENS (6, C8, C3, 5), F_HASXT },
|
||
{ "vaale1is", CPENS (0, C8, C3, 7), F_HASXT },
|
||
{ "vale1", CPENS (0, C8, C7, 5), F_HASXT },
|
||
{ "vale2", CPENS (4, C8, C7, 5), F_HASXT },
|
||
{ "vale3", CPENS (6, C8, C7, 5), F_HASXT },
|
||
{ "vaale1", CPENS (0, C8, C7, 7), F_HASXT },
|
||
{ 0, CPENS(0,0,0,0), 0 }
|
||
};
|
||
|
||
bfd_boolean
|
||
aarch64_sys_ins_reg_has_xt (const aarch64_sys_ins_reg *sys_ins_reg)
|
||
{
|
||
return (sys_ins_reg->flags & F_HASXT) != 0;
|
||
}
|
||
|
||
extern bfd_boolean
|
||
aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features,
|
||
const aarch64_sys_ins_reg *reg)
|
||
{
|
||
if (!(reg->flags & F_ARCHEXT))
|
||
return TRUE;
|
||
|
||
/* DC CVAP. Values are from aarch64_sys_regs_dc. */
|
||
if (reg->value == CPENS (3, C7, C12, 1)
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
|
||
return FALSE;
|
||
|
||
/* AT S1E1RP, AT S1E1WP. Values are from aarch64_sys_regs_at. */
|
||
if ((reg->value == CPENS (0, C7, C9, 0)
|
||
|| reg->value == CPENS (0, C7, C9, 1))
|
||
&& !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
|
||
return FALSE;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
#undef C0
|
||
#undef C1
|
||
#undef C2
|
||
#undef C3
|
||
#undef C4
|
||
#undef C5
|
||
#undef C6
|
||
#undef C7
|
||
#undef C8
|
||
#undef C9
|
||
#undef C10
|
||
#undef C11
|
||
#undef C12
|
||
#undef C13
|
||
#undef C14
|
||
#undef C15
|
||
|
||
/* Include the opcode description table as well as the operand description
|
||
table. */
|
||
#include "aarch64-tbl.h"
|