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67 lines
2.7 KiB
67 lines
2.7 KiB
/* 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-agen.h
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///
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#ifndef XED_AGEN_H
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# define XED_AGEN_H
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#include "xed-decoded-inst.h"
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#include "xed-error-enum.h"
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/// A function for obtaining register values. 32b return values should be
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/// zero extended to 64b. The error value is set to nonzero if the callback
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/// experiences some sort of problem. @ingroup AGEN
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typedef xed_uint64_t (*xed_register_callback_fn_t)(xed_reg_enum_t reg,
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void* context,
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xed_bool_t* error);
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/// A function for obtaining the segment base values. 32b return values
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/// should be zero extended zero extended to 64b. The error value is set to
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/// nonzero if the callback experiences some sort of problem.
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/// @ingroup AGEN
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typedef xed_uint64_t (*xed_segment_base_callback_fn_t)(xed_reg_enum_t reg,
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void* context,
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xed_bool_t* error);
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/// Initialize the callback functions. Tell XED what to call when using
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/// #xed_agen.
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/// @ingroup AGEN
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XED_DLL_EXPORT void xed_agen_register_callback(xed_register_callback_fn_t register_fn,
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xed_segment_base_callback_fn_t segment_fn);
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/// Using the registered callbacks, compute the memory address for a
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/// specified memop in a decoded instruction. memop_index can have the
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/// value 0 for XED_OPERAND_MEM0, XED_OPERAND_AGEN, or 1 for
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/// XED_OPERAND_MEM1. Any other value results in an error being
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/// returned. The context parameter which is passed to the registered
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/// callbacks can be used to identify which thread's state is being
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/// referenced. The context parameter can also be used to specify which
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/// element of a vector register should be returned for gather an scatter
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/// operations.
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/// @ingroup AGEN
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XED_DLL_EXPORT xed_error_enum_t xed_agen(xed_decoded_inst_t* xedd,
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unsigned int memop_index,
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void* context,
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xed_uint64_t* out_address);
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#endif
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