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700 lines
24 KiB
700 lines
24 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-api.h
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///
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#if !defined(XED_DECODED_INST_API_H)
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# define XED_DECODED_INST_API_H
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#include "xed-decoded-inst.h"
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#include "xed-operand-accessors.h"
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#include "xed-state.h"
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#include "xed-operand-values-interface.h"
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#include "xed-print-info.h"
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///////////////////////////////////////////////////////
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/// API
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///////////////////////////////////////////////////////
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/// @name xed_decoded_inst_t High-level accessors
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//@{
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/// @ingroup DEC
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/// Return true if the instruction is valid
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static XED_INLINE xed_bool_t
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xed_decoded_inst_valid(const xed_decoded_inst_t* p ) {
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return XED_STATIC_CAST(xed_bool_t,(p->_inst != 0));
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}
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/// @ingroup DEC
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/// Return the #xed_inst_t structure for this instruction. This is the
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/// route to the basic operands form information.
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static XED_INLINE const xed_inst_t*
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xed_decoded_inst_inst( const xed_decoded_inst_t* p) {
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return p->_inst;
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}
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/// @ingroup DEC
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/// Return the instruction #xed_category_enum_t enumeration
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static XED_INLINE xed_category_enum_t
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xed_decoded_inst_get_category(const xed_decoded_inst_t* p) {
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xed_assert(p->_inst != 0);
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return xed_inst_category(p->_inst);
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}
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/// @ingroup DEC
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/// Return the instruction #xed_extension_enum_t enumeration
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static XED_INLINE xed_extension_enum_t
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xed_decoded_inst_get_extension( const xed_decoded_inst_t* p) {
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xed_assert(p->_inst != 0);
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return xed_inst_extension(p->_inst);
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}
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/// @ingroup DEC
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/// Return the instruction #xed_isa_set_enum_t enumeration
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static XED_INLINE xed_isa_set_enum_t
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xed_decoded_inst_get_isa_set(xed_decoded_inst_t const* const p) {
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xed_assert(p->_inst != 0);
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return xed_inst_isa_set(p->_inst);
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}
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/// @ingroup DEC
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/// Return the instruction #xed_iclass_enum_t enumeration.
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static XED_INLINE xed_iclass_enum_t
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xed_decoded_inst_get_iclass( const xed_decoded_inst_t* p){
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xed_assert(p->_inst != 0);
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return xed_inst_iclass(p->_inst);
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}
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/// @name xed_decoded_inst_t Attributes and properties
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//@{
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/// @ingroup DEC
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/// Returns 1 if the attribute is defined for this instruction.
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XED_DLL_EXPORT xed_uint32_t
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xed_decoded_inst_get_attribute(const xed_decoded_inst_t* p,
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xed_attribute_enum_t attr);
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/// @ingroup DEC
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/// Returns the attribute bitvector
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XED_DLL_EXPORT xed_attributes_t
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xed_decoded_inst_get_attributes(const xed_decoded_inst_t* p);
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//@}
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/// @ingroup DEC
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/// Returns 1 if the instruction is xacquire.
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XED_DLL_EXPORT xed_uint32_t
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xed_decoded_inst_is_xacquire(const xed_decoded_inst_t* p);
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/// @ingroup DEC
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/// Returns 1 if the instruction is xrelease.
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XED_DLL_EXPORT xed_uint32_t
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xed_decoded_inst_is_xrelease(const xed_decoded_inst_t* p);
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/// @ingroup DEC
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/// Returns 1 if the instruction has mpx prefix.
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XED_DLL_EXPORT xed_uint32_t
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xed_decoded_inst_has_mpx_prefix(const xed_decoded_inst_t* p);
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/// @ingroup DEC
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/// Returns the modrm byte
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XED_DLL_EXPORT xed_uint8_t
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xed_decoded_inst_get_modrm(const xed_decoded_inst_t* p);
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/// @ingroup DEC
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/// Returns 1 iff the instruction uses destination-masking. This is 0 for
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/// blend operations that use their mask field as a control.
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XED_DLL_EXPORT xed_bool_t
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xed_decoded_inst_masked_vector_operation(xed_decoded_inst_t* p);
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/// @ingroup DEC
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/// Returns 128, 256 or 512 for operations in the VEX, EVEX (or XOP)
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/// encoding space and returns 0 for (most) nonvector operations.
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/// This usually the content of the VEX.L or EVEX.LL field, reinterpreted.
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/// Some GPR instructions (like the BMI1/BMI2) are encoded in the VEX space
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/// and return non-zero values from this API.
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XED_DLL_EXPORT xed_uint_t
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xed_decoded_inst_vector_length_bits(xed_decoded_inst_t const* const p);
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/// @ingroup DEC
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/// Returns the number of legacy prefixes.
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XED_DLL_EXPORT xed_uint_t
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xed_decoded_inst_get_nprefixes(const xed_decoded_inst_t* p);
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//@}
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/// @name xed_decoded_inst_t Operands
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//@{
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/// @ingroup DEC
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/// Obtain a constant pointer to the operands
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static XED_INLINE const xed_operand_values_t*
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xed_decoded_inst_operands_const(const xed_decoded_inst_t* p) {
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return p;
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}
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/// @ingroup DEC
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/// Obtain a non-constant pointer to the operands
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static XED_INLINE xed_operand_values_t*
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xed_decoded_inst_operands(xed_decoded_inst_t* p) {
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return p;
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}
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/// Return the length in bits of the operand_index'th operand.
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/// @ingroup DEC
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XED_DLL_EXPORT unsigned int
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xed_decoded_inst_operand_length_bits(const xed_decoded_inst_t* p,
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unsigned int operand_index);
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/// Deprecated -- returns the length in bytes of the operand_index'th
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/// operand. Use #xed_decoded_inst_operand_length_bits() instead.
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/// @ingroup DEC
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XED_DLL_EXPORT unsigned int
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xed_decoded_inst_operand_length(const xed_decoded_inst_t* p,
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unsigned int operand_index);
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/// Return the number of operands
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/// @ingroup DEC
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static XED_INLINE unsigned int
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xed_decoded_inst_noperands(const xed_decoded_inst_t* p) {
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unsigned int noperands = xed_inst_noperands(xed_decoded_inst_inst(p));
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return noperands;
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}
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/// Return the number of element in the operand (for SSE and AVX operands)
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/// @ingroup DEC
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XED_DLL_EXPORT unsigned int
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xed_decoded_inst_operand_elements(const xed_decoded_inst_t* p,
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unsigned int operand_index);
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/// Return the size of an element in bits (for SSE and AVX operands)
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/// @ingroup DEC
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XED_DLL_EXPORT unsigned int
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xed_decoded_inst_operand_element_size_bits(const xed_decoded_inst_t* p,
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unsigned int operand_index);
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/// Return the type of an element of type #xed_operand_element_type_enum_t
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/// (for SSE and AVX operands)
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/// @ingroup DEC
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XED_DLL_EXPORT xed_operand_element_type_enum_t
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xed_decoded_inst_operand_element_type(const xed_decoded_inst_t* p,
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unsigned int operand_index);
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/// Interpret the operand action in light of AVX512 masking and
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/// zeroing/merging. If masking and merging are used together, the dest
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/// operand may also be read. If masking and merging are used together,
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/// the elemnents of dest operand register may be conditionally written (so
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/// that input values live on in the output register).
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/// @ingroup DEC
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XED_DLL_EXPORT xed_operand_action_enum_t
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xed_decoded_inst_operand_action(const xed_decoded_inst_t* p,
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unsigned int operand_index);
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//@}
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/// @name xed_decoded_inst_t AVX512 Masking
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//@{
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/// Returns true if the instruction uses write-masking
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/// @ingroup DEC
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XED_DLL_EXPORT xed_bool_t
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xed_decoded_inst_masking(const xed_decoded_inst_t* p);
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/// Returns true if the instruction uses write-masking with merging
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/// @ingroup DEC
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XED_DLL_EXPORT xed_bool_t
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xed_decoded_inst_merging(const xed_decoded_inst_t* p);
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/// Returns true if the instruction uses write-masking with zeroing
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/// @ingroup DEC
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XED_DLL_EXPORT xed_bool_t
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xed_decoded_inst_zeroing(const xed_decoded_inst_t* p);
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/// Returns the maximum number elements processed for an AVX512 vector
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/// instruction. Scalars report 1 element.
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/// @ingroup DEC
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XED_DLL_EXPORT xed_uint_t
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xed_decoded_inst_avx512_dest_elements(const xed_decoded_inst_t* p);
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//@}
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/// @name xed_decoded_inst_t Initialization
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//@{
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/// @ingroup DEC
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/// Zero the decode structure, but set the machine state/mode
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/// information. Re-initializes all operands.
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XED_DLL_EXPORT void
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xed_decoded_inst_zero_set_mode(xed_decoded_inst_t* p,
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const xed_state_t* dstate);
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/// @ingroup DEC
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/// Zero the decode structure, but preserve the existing machine state/mode
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/// information. Re-initializes all operands.
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XED_DLL_EXPORT void xed_decoded_inst_zero_keep_mode(xed_decoded_inst_t* p);
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/// @ingroup DEC
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/// Zero the decode structure completely. Re-initializes all operands.
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XED_DLL_EXPORT void xed_decoded_inst_zero(xed_decoded_inst_t* p);
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/// @ingroup DEC
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/// Set the machine mode and stack addressing width directly. This is NOT a
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/// full initialization; Call #xed_decoded_inst_zero() before using this if
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/// you want a clean slate.
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static XED_INLINE void
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xed_decoded_inst_set_mode(xed_decoded_inst_t* p,
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xed_machine_mode_enum_t mmode,
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xed_address_width_enum_t stack_addr_width)
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{
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xed_state_t dstate;
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dstate.mmode = mmode;
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dstate.stack_addr_width = stack_addr_width;
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xed_operand_values_set_mode(p, &dstate);
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}
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/// @ingroup DEC
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/// Zero the decode structure, but copy the existing machine state/mode
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/// information from the supplied operands pointer. Same as
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/// #xed_decoded_inst_zero_keep_mode.
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XED_DLL_EXPORT void
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xed_decoded_inst_zero_keep_mode_from_operands(
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xed_decoded_inst_t* p,
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const xed_operand_values_t* operands);
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/// @name xed_decoded_inst_t Length
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//@{
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/// @ingroup DEC
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/// Return the length of the decoded instruction in bytes.
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static XED_INLINE xed_uint_t
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xed_decoded_inst_get_length(const xed_decoded_inst_t* p) {
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return p->_decoded_length;
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}
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//@}
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/// @name xed_decoded_inst_t get Byte
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//@{
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/// @ingroup DEC
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/// Read itext byte.
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static XED_INLINE xed_uint8_t
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xed_decoded_inst_get_byte(const xed_decoded_inst_t* p, xed_uint_t byte_index)
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{
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/// Read a whole byte from the normal input bytes.
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xed_uint8_t out = p->_byte_array._dec[byte_index];
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return out;
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}
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//@}
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/// @name Modes
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//@{
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/// @ingroup DEC
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/// Returns 16/32/64 indicating the machine mode with in bits. This is
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/// derived from the input mode information.
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static XED_INLINE xed_uint_t
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xed_decoded_inst_get_machine_mode_bits(const xed_decoded_inst_t* p) {
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xed_uint_t mode = xed3_operand_get_mode(p);
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if (mode == 2) return 64;
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if (mode == 1) return 32;
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return 16;
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}
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/// @ingroup DEC
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/// Returns 16/32/64 indicating the stack addressing mode with in
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/// bits. This is derived from the input mode information.
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static XED_INLINE xed_uint_t
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xed_decoded_inst_get_stack_address_mode_bits(const xed_decoded_inst_t* p) {
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xed_uint_t smode = xed3_operand_get_smode(p);
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if (smode == 2) return 64;
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if (smode == 1) return 32;
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return 16;
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}
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/// Returns the operand width in bits: 8/16/32/64. This is different than
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/// the #xed_operand_values_get_effective_operand_width() which only
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/// returns 16/32/64. This factors in the BYTEOP attribute when computing
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/// its return value. This function provides a information for that is only
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/// useful for (scalable) GPR-operations. Individual operands have more
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/// specific information available from
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/// #xed_decoded_inst_operand_element_size_bits()
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/// @ingroup DEC
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XED_DLL_EXPORT xed_uint32_t
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xed_decoded_inst_get_operand_width(const xed_decoded_inst_t* p);
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/// Return the user-specified #xed_chip_enum_t chip name, or
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/// XED_CHIP_INVALID if not set.
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/// @ingroup DEC
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static XED_INLINE xed_chip_enum_t
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xed_decoded_inst_get_input_chip(const xed_decoded_inst_t* p) {
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return xed3_operand_get_chip(p);
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}
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/// Set a user-specified #xed_chip_enum_t chip name for restricting decode
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/// @ingroup DEC
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static XED_INLINE void
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xed_decoded_inst_set_input_chip(xed_decoded_inst_t* p,
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xed_chip_enum_t chip) {
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xed3_operand_set_chip(p,chip);
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}
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/// Indicate if this decoded instruction is valid for the specified
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/// #xed_chip_enum_t chip
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/// @ingroup DEC
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XED_DLL_EXPORT xed_bool_t
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xed_decoded_inst_valid_for_chip(xed_decoded_inst_t const* const p,
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xed_chip_enum_t chip);
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//@}
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/// @name IFORM handling
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//@{
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/// @ingroup DEC
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/// Return the instruction iform enum of type #xed_iform_enum_t .
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static XED_INLINE xed_iform_enum_t
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xed_decoded_inst_get_iform_enum(const xed_decoded_inst_t* p) {
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xed_assert(p->_inst != 0);
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return xed_inst_iform_enum(p->_inst);
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}
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/// @ingroup DEC
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/// Return the instruction zero-based iform number based on masking the
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/// corresponding #xed_iform_enum_t. This value is suitable for
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/// dispatching. The maximum value for a particular iclass is provided by
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/// #xed_iform_max_per_iclass() .
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static XED_INLINE unsigned int
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xed_decoded_inst_get_iform_enum_dispatch(const xed_decoded_inst_t* p) {
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xed_assert(p->_inst != 0);
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return xed_inst_iform_enum(p->_inst) -
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xed_iform_first_per_iclass(xed_inst_iclass(p->_inst));
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}
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//@}
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/// @name xed_decoded_inst_t Printers
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//@{
|
||
|
/// @ingroup PRINT
|
||
|
/// Print out all the information about the decoded instruction to the
|
||
|
/// buffer buf whose length is maximally buflen. This is for debugging.
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_dump(const xed_decoded_inst_t* p, char* buf, int buflen);
|
||
|
|
||
|
|
||
|
|
||
|
/// @ingroup PRINT
|
||
|
/// Print the instruction information in a verbose format.
|
||
|
/// This is for debugging.
|
||
|
/// @param p a #xed_decoded_inst_t for a decoded instruction
|
||
|
/// @param buf a buffer to write the disassembly in to.
|
||
|
/// @param buflen maximum length of the disassembly buffer
|
||
|
/// @param runtime_address the address of the instruction being disassembled. If zero, the offset is printed for relative branches. If nonzero, XED attempts to print the target address for relative branches.
|
||
|
/// @return Returns 0 if the disassembly fails, 1 otherwise.
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_dump_xed_format(const xed_decoded_inst_t* p,
|
||
|
char* buf,
|
||
|
int buflen,
|
||
|
xed_uint64_t runtime_address) ;
|
||
|
|
||
|
|
||
|
/// Disassemble the decoded instruction using the specified syntax.
|
||
|
/// The output buffer must be at least 25 bytes long. Returns true if
|
||
|
/// disassembly proceeded without errors.
|
||
|
/// @param syntax a #xed_syntax_enum_t the specifies the disassembly format
|
||
|
/// @param xedd a #xed_decoded_inst_t for a decoded instruction
|
||
|
/// @param out_buffer a buffer to write the disassembly in to.
|
||
|
/// @param buffer_len maximum length of the disassembly buffer
|
||
|
/// @param runtime_instruction_address the address of the instruction being disassembled. If zero, the offset is printed for relative branches. If nonzero, XED attempts to print the target address for relative branches.
|
||
|
/// @param context A void* used only for the call back routine for symbolic disassembly if one is provided. Can be zero.
|
||
|
/// @param symbolic_callback A function pointer for obtaining symbolic disassembly. Can be zero.
|
||
|
/// @return Returns 0 if the disassembly fails, 1 otherwise.
|
||
|
///@ingroup PRINT
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_format_context(xed_syntax_enum_t syntax,
|
||
|
const xed_decoded_inst_t* xedd,
|
||
|
char* out_buffer,
|
||
|
int buffer_len,
|
||
|
xed_uint64_t runtime_instruction_address,
|
||
|
void* context,
|
||
|
xed_disassembly_callback_fn_t symbolic_callback);
|
||
|
|
||
|
|
||
|
/// @ingroup PRINT
|
||
|
/// Disassemble the instruction information to a buffer. See the
|
||
|
/// #xed_print_info_t for the required public fields of the argument.
|
||
|
/// This is the preferred method of doing disassembly.
|
||
|
/// The output buffer must be at least 25 bytes long.
|
||
|
/// @param pi a #xed_print_info_t
|
||
|
/// @return Returns 0 if the disassembly fails, 1 otherwise.
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_format_generic(xed_print_info_t* pi);
|
||
|
|
||
|
//@}
|
||
|
|
||
|
/// @name xed_decoded_inst_t Operand Field Details
|
||
|
//@{
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_reg_enum_t
|
||
|
xed_decoded_inst_get_seg_reg(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_reg_enum_t
|
||
|
xed_decoded_inst_get_base_reg(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
XED_DLL_EXPORT xed_reg_enum_t
|
||
|
xed_decoded_inst_get_index_reg(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_scale(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_int64_t
|
||
|
xed_decoded_inst_get_memory_displacement(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
/// Result in BYTES
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_memory_displacement_width(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
/// Result in BITS
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_memory_displacement_width_bits(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_int32_t
|
||
|
xed_decoded_inst_get_branch_displacement(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Result in BYTES
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_branch_displacement_width(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Result in BITS
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_branch_displacement_width_bits(
|
||
|
const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_uint64_t
|
||
|
xed_decoded_inst_get_unsigned_immediate(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Return true if the first immediate (IMM0) is signed
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_immediate_is_signed(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Return the immediate width in BYTES.
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_immediate_width(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Return the immediate width in BITS.
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_get_immediate_width_bits(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_int32_t
|
||
|
xed_decoded_inst_get_signed_immediate(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Return the second immediate.
|
||
|
static XED_INLINE xed_uint8_t
|
||
|
xed_decoded_inst_get_second_immediate(const xed_decoded_inst_t* p) {
|
||
|
return xed3_operand_get_uimm1(p);
|
||
|
}
|
||
|
|
||
|
/// @ingroup DEC
|
||
|
/// Return the specified register operand. The specifier is of type
|
||
|
/// #xed_operand_enum_t .
|
||
|
XED_DLL_EXPORT xed_reg_enum_t
|
||
|
xed_decoded_inst_get_reg(const xed_decoded_inst_t* p,
|
||
|
xed_operand_enum_t reg_operand);
|
||
|
|
||
|
|
||
|
/// See the comment on xed_decoded_inst_uses_rflags(). This can return
|
||
|
/// 0 if the flags are really not used by this instruction.
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT const xed_simple_flag_t*
|
||
|
xed_decoded_inst_get_rflags_info( const xed_decoded_inst_t* p );
|
||
|
|
||
|
/// This returns 1 if the flags are read or written. This will return 0
|
||
|
/// otherwise. This will return 0 if the flags are really not used by this
|
||
|
/// instruction. For some shifts/rotates, XED puts a flags operand in the
|
||
|
/// operand array before it knows if the flags are used because of
|
||
|
/// mode-dependent masking effects on the immediate.
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_uses_rflags(const xed_decoded_inst_t* p);
|
||
|
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_uint_t
|
||
|
xed_decoded_inst_number_of_memory_operands(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_mem_read(const xed_decoded_inst_t* p, unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_mem_written(const xed_decoded_inst_t* p, unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_mem_written_only(const xed_decoded_inst_t* p,
|
||
|
unsigned int mem_idx);
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_conditionally_writes_registers(const xed_decoded_inst_t* p);
|
||
|
/// returns bytes
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT unsigned int
|
||
|
xed_decoded_inst_get_memory_operand_length(const xed_decoded_inst_t* p,
|
||
|
unsigned int memop_idx);
|
||
|
|
||
|
/// Returns the addressing width in bits (16,32,64) for MEM0 (memop_idx==0)
|
||
|
/// or MEM1 (memop_idx==1). This factors in things like whether or not the
|
||
|
/// reference is an implicit stack push/pop reference, the machine mode and
|
||
|
// 67 prefixes if present.
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT unsigned int
|
||
|
xed_decoded_inst_get_memop_address_width(const xed_decoded_inst_t* p,
|
||
|
xed_uint_t memop_idx);
|
||
|
|
||
|
|
||
|
|
||
|
/// @ingroup DEC
|
||
|
/// Returns true if the instruction is a prefetch
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_is_prefetch(const xed_decoded_inst_t* p);
|
||
|
|
||
|
/// @ingroup DEC
|
||
|
/// Return 1 for broadcast instructions or AVX512 load-op instructions using the broadcast feature
|
||
|
/// 0 otherwise. Logical OR of
|
||
|
/// #xed_decoded_inst_is_broadcast_instruction() and
|
||
|
/// #xed_decoded_inst_uses_embedded_broadcast().
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_is_broadcast(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Return 1 for broadcast instruction. (NOT including AVX512 load-op instructions)
|
||
|
/// 0 otherwise. Just a category check.
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_is_broadcast_instruction(const xed_decoded_inst_t* p);
|
||
|
/// @ingroup DEC
|
||
|
/// Return 1 for AVX512 load-op instructions using the broadcast feature,
|
||
|
/// 0 otherwise.
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_decoded_inst_uses_embedded_broadcast(const xed_decoded_inst_t* p);
|
||
|
|
||
|
//@}
|
||
|
|
||
|
|
||
|
/// @name xed_decoded_inst_t Modification
|
||
|
//@{
|
||
|
// Modifying decoded instructions before re-encoding
|
||
|
/// @ingroup DEC
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_scale(xed_decoded_inst_t* p, xed_uint_t scale);
|
||
|
/// @ingroup DEC
|
||
|
/// Set the memory displacement using a BYTE length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_memory_displacement(xed_decoded_inst_t* p,
|
||
|
xed_int64_t disp,
|
||
|
xed_uint_t length_bytes);
|
||
|
/// @ingroup DEC
|
||
|
/// Set the branch displacement using a BYTE length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_branch_displacement(xed_decoded_inst_t* p,
|
||
|
xed_int32_t disp,
|
||
|
xed_uint_t length_bytes);
|
||
|
/// @ingroup DEC
|
||
|
/// Set the signed immediate a BYTE length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_immediate_signed(xed_decoded_inst_t* p,
|
||
|
xed_int32_t x,
|
||
|
xed_uint_t length_bytes);
|
||
|
/// @ingroup DEC
|
||
|
/// Set the unsigned immediate a BYTE length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_immediate_unsigned(xed_decoded_inst_t* p,
|
||
|
xed_uint64_t x,
|
||
|
xed_uint_t length_bytes);
|
||
|
|
||
|
|
||
|
/// @ingroup DEC
|
||
|
/// Set the memory displacement a BITS length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_memory_displacement_bits(xed_decoded_inst_t* p,
|
||
|
xed_int64_t disp,
|
||
|
xed_uint_t length_bits);
|
||
|
/// @ingroup DEC
|
||
|
/// Set the branch displacement a BITS length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_branch_displacement_bits(xed_decoded_inst_t* p,
|
||
|
xed_int32_t disp,
|
||
|
xed_uint_t length_bits);
|
||
|
/// @ingroup DEC
|
||
|
/// Set the signed immediate a BITS length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_immediate_signed_bits(xed_decoded_inst_t* p,
|
||
|
xed_int32_t x,
|
||
|
xed_uint_t length_bits);
|
||
|
/// @ingroup DEC
|
||
|
/// Set the unsigned immediate a BITS length
|
||
|
XED_DLL_EXPORT void
|
||
|
xed_decoded_inst_set_immediate_unsigned_bits(xed_decoded_inst_t* p,
|
||
|
xed_uint64_t x,
|
||
|
xed_uint_t length_bits);
|
||
|
|
||
|
//@}
|
||
|
|
||
|
/// @name xed_decoded_inst_t User Data Field
|
||
|
//@{
|
||
|
/// @ingroup DEC
|
||
|
/// Return a user data field for arbitrary use by the user after decoding.
|
||
|
static XED_INLINE xed_uint64_t
|
||
|
xed_decoded_inst_get_user_data(xed_decoded_inst_t* p) {
|
||
|
return p->u.user_data;
|
||
|
}
|
||
|
/// @ingroup DEC
|
||
|
/// Modify the user data field.
|
||
|
static XED_INLINE void
|
||
|
xed_decoded_inst_set_user_data(xed_decoded_inst_t* p,
|
||
|
xed_uint64_t new_value) {
|
||
|
p->u.user_data = new_value;
|
||
|
}
|
||
|
//@}
|
||
|
|
||
|
/// @name xed_decoded_inst_t Classifiers
|
||
|
//@{
|
||
|
/// @ingroup DEC
|
||
|
/// True for AVX512 (EVEX-encoded) SIMD and (VEX encoded) K-mask instructions
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_classify_avx512(const xed_decoded_inst_t* d);
|
||
|
/// @ingroup DEC
|
||
|
/// True for AVX512 (VEX-encoded) K-mask operations
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_classify_avx512_maskop(const xed_decoded_inst_t* d);
|
||
|
/// @ingroup DEC
|
||
|
/// True for AVX/AVX2 SIMD VEX-encoded operations. Does not include BMI/BMI2 instructions.
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_classify_avx(const xed_decoded_inst_t* d);
|
||
|
/// @ingroup DEC
|
||
|
/// True for SSE/SSE2/etc. SIMD operations. Includes AES and PCLMULQDQ
|
||
|
XED_DLL_EXPORT xed_bool_t
|
||
|
xed_classify_sse(const xed_decoded_inst_t* d);
|
||
|
|
||
|
//@}
|
||
|
#endif
|
||
|
|