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99 lines
3.1 KiB
99 lines
3.1 KiB
3 years ago
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/* BEGIN_LEGAL
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Copyright (c) 2021 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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END_LEGAL */
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/// @file xed-decoded-inst.h
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///
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#if !defined(XED_DECODER_STATE_H)
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# define XED_DECODER_STATE_H
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#include "xed-common-hdrs.h"
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#include "xed-common-defs.h"
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#include "xed-portability.h"
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#include "xed-util.h"
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#include "xed-types.h"
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#include "xed-inst.h"
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#include "xed-flags.h"
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#if defined(XED_ENCODER)
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# include "xed-encoder-gen-defs.h" //generated
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#endif
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#include "xed-chip-enum.h" //generated
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#include "xed-operand-element-type-enum.h" // a generated file
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#include "xed-operand-storage.h" // a generated file
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typedef union {
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xed_uint32_t i;
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struct {
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xed_uint8_t has_modrm;
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xed_uint8_t has_disp;
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xed_uint8_t has_imm;
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} s;
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} xed_ild_vars_t;
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struct xed_encoder_vars_s;
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struct xed_decoder_vars_s;
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/// @ingroup DEC
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/// The main container for instructions. After decode, it holds an array of
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/// operands with derived information from decode and also valid
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/// #xed_inst_t pointer which describes the operand templates and the
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/// operand order. See @ref DEC for API documentation.
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typedef struct xed_decoded_inst_s {
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/// The _operands are storage for information discovered during
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/// decoding. They are also used by encode. The accessors for these
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/// operands all have the form xed3_operand_{get,set}_*(). They should
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/// be considered internal and subject to change over time. It is
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/// preferred that you use xed_decoded_inst_*() or the
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/// xed_operand_values_*() functions when available.
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xed_operand_storage_t _operands;
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#if defined(XED_ENCODER)
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/// Used for encode operand ordering. Not set by decode.
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xed_uint8_t _operand_order[XED_ENCODE_ORDER_MAX_OPERANDS];
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/// Length of the _operand_order[] array.
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xed_uint8_t _n_operand_order;
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#endif
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xed_uint8_t _decoded_length;
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/// when we decode an instruction, we set the _inst and get the
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/// properites of that instruction here. This also points to the
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/// operands template array.
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const xed_inst_t* _inst;
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// decoder does not change it, encoder does
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union {
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xed_uint8_t* _enc;
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const xed_uint8_t* _dec;
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} _byte_array;
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// The ev field is stack allocated by xed_encode(). It is per-encode
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// transitory data.
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union {
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/* user_data is available as a user data storage field after
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* decoding. It does not live across re-encodes or re-decodes. */
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xed_uint64_t user_data;
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xed_ild_vars_t ild_data;
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#if defined(XED_ENCODER)
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struct xed_encoder_vars_s* ev;
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#endif
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} u;
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} xed_decoded_inst_t;
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typedef xed_decoded_inst_t xed_operand_values_t;
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#endif
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