mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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83e5a29b06
This commit contains the source for the SPIRV static library, spirv-as, spirv-dis, and spirv-val tools.
187 lines
6.2 KiB
C
187 lines
6.2 KiB
C
// Copyright (c) 2015 The Khronos Group Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and/or associated documentation files (the
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// "Materials"), to deal in the Materials without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Materials, and to
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// permit persons to whom the Materials are furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Materials.
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//
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
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// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
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// https://www.khronos.org/registry/
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//
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// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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#ifndef _LIBSPIRV_UTIL_OPCODE_H_
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#define _LIBSPIRV_UTIL_OPCODE_H_
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#include <libspirv/libspirv.h>
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// Functions
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/// @brief Get the name of the SPIR-V generator
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///
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/// @param[in] generator Khronos SPIR-V generator ID
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///
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/// @return string name
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const char *spvGeneratorStr(uint32_t generator);
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/// @brief Combine word count and Opcode enumerant in single word
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///
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/// @param[in] wordCount Opcode consumes
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/// @param[in] opcode enumerant value
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///
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/// @return Opcode word
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uint32_t spvOpcodeMake(uint16_t wordCount, Op opcode);
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/// @brief Split the binary opcode into its constituent parts
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///
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/// @param[in] word binary opcode to split
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/// @param[out] wordCount the returned number of words (optional)
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/// @param[out] opcode the returned opcode enumerant (optional)
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void spvOpcodeSplit(const uint32_t word, uint16_t *wordCount, Op *opcode);
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/// @brief Find the named Opcode in the table
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///
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/// @param[in] table to lookup
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/// @param[in] name name of Opcode to find
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/// @param[out] pEntry returned Opcode table entry
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///
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/// @return result code
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spv_result_t spvOpcodeTableNameLookup(const spv_opcode_table table,
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const char *name, spv_opcode_desc *pEntry);
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/// @brief Find the opcode ID in the table
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///
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/// @param[out] table to lookup
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/// @param[in] opcode value of Opcode to fine
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/// @param[out] pEntry return Opcode table entry
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///
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/// @return result code
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spv_result_t spvOpcodeTableValueLookup(const spv_opcode_table table,
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const Op opcode, spv_opcode_desc *pEntry);
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/// @brief Determine if the Opcode has variable word count
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///
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/// This function does not check if @a entry is valid.
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///
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/// @param[in] entry the Opcode entry
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsVariable(spv_opcode_desc entry);
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/// @brief Determine if the Opcode has capaspvity requirements
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///
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/// This function does not check if @a entry is valid.
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///
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/// @param[in] entry the Opcode entry
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeRequiresCapabilities(spv_opcode_desc entry);
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/// @brief Copy an instructions word and fix the endianness
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///
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/// @param[in] words the input instruction stream
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/// @param[in] opcode the instructions Opcode
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/// @param[in] wordCount the number of words to copy
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/// @param[in] endian the endianness of the stream
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/// @param[out] pInst the returned instruction
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void spvInstructionCopy(const uint32_t *words, const Op opcode,
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const uint16_t wordCount, const spv_endianness_t endian,
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spv_instruction_t *pInst);
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/// @brief Get the string of an OpCode
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///
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/// @param[in] opcode the opcode
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///
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/// @return the opcode string
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const char *spvOpcodeString(const Op opcode);
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/// @brief Determine if the Opcode is a type
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsType(const Op opcode);
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/// @brief Determine if the OpCode is a scalar type
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsScalarType(const Op opcode);
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/// @brief Determine if the Opcode is a constant
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsConstant(const Op opcode);
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/// @brief Determine if the Opcode is a composite type
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsComposite(const Op opcode);
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/// @brief Deep comparison of type declaration instructions
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///
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/// @param[in] pTypeInst0 type definition zero
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/// @param[in] pTypeInst1 type definition one
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeAreTypesEqual(const spv_instruction_t *pTypeInst0,
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const spv_instruction_t *pTypeInst1);
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/// @brief Determine if the Opcode results in a pointer
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsPointer(const Op opcode);
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/// @brief Determine if the Opcode results in a instantation of a non-void type
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsObject(const Op opcode);
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/// @brief Determine if the scalar type Opcode is nullable
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsBasicTypeNullable(Op opcode);
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/// @brief Determine if instruction is in a basic block
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///
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/// @param[in] pFirstInst first instruction in the stream
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/// @param[in] pInst current instruction
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvInstructionIsInBasicBlock(const spv_instruction_t *pFirstInst,
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const spv_instruction_t *pInst);
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/// @brief Determine if the Opcode contains a value
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///
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/// @param[in] opcode the opcode
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///
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/// @return zero if false, non-zero otherwise
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int32_t spvOpcodeIsValue(Op opcode);
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#endif
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