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98 lines
3.5 KiB
98 lines
3.5 KiB
// Copyright (c) 2017 Pierre Moreau
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#ifndef INCLUDE_SPIRV_TOOLS_LINKER_HPP_
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#define INCLUDE_SPIRV_TOOLS_LINKER_HPP_
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#include <cstdint>
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#include <memory>
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#include <vector>
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#include "libspirv.hpp"
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namespace spvtools {
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class LinkerOptions {
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public:
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LinkerOptions()
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: create_library_(false),
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verify_ids_(false),
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allow_partial_linkage_(false) {}
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// Returns whether a library or an executable should be produced by the
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// linking phase.
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//
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// All exported symbols are kept when creating a library, whereas they will
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// be removed when creating an executable.
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// The returned value will be true if creating a library, and false if
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// creating an executable.
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bool GetCreateLibrary() const { return create_library_; }
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// Sets whether a library or an executable should be produced.
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void SetCreateLibrary(bool create_library) {
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create_library_ = create_library;
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}
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// Returns whether to verify the uniqueness of the unique ids in the merged
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// context.
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bool GetVerifyIds() const { return verify_ids_; }
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// Sets whether to verify the uniqueness of the unique ids in the merged
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// context.
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void SetVerifyIds(bool verify_ids) { verify_ids_ = verify_ids; }
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// Returns whether to allow for imported symbols to have no corresponding
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// exported symbols
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bool GetAllowPartialLinkage() const { return allow_partial_linkage_; }
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// Sets whether to allow for imported symbols to have no corresponding
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// exported symbols
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void SetAllowPartialLinkage(bool allow_partial_linkage) {
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allow_partial_linkage_ = allow_partial_linkage;
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}
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private:
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bool create_library_;
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bool verify_ids_;
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bool allow_partial_linkage_;
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};
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// Links one or more SPIR-V modules into a new SPIR-V module. That is, combine
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// several SPIR-V modules into one, resolving link dependencies between them.
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//
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// At least one binary has to be provided in |binaries|. Those binaries do not
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// have to be valid, but they should be at least parseable.
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// The functions can fail due to the following:
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// * The given context was not initialised using `spvContextCreate()`;
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// * No input modules were given;
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// * One or more of those modules were not parseable;
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// * The input modules used different addressing or memory models;
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// * The ID or global variable number limit were exceeded;
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// * Some entry points were defined multiple times;
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// * Some imported symbols did not have an exported counterpart;
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// * Possibly other reasons.
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spv_result_t Link(const Context& context,
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const std::vector<std::vector<uint32_t>>& binaries,
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std::vector<uint32_t>* linked_binary,
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const LinkerOptions& options = LinkerOptions());
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spv_result_t Link(const Context& context, const uint32_t* const* binaries,
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const size_t* binary_sizes, size_t num_binaries,
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std::vector<uint32_t>* linked_binary,
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const LinkerOptions& options = LinkerOptions());
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} // namespace spvtools
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#endif // INCLUDE_SPIRV_TOOLS_LINKER_HPP_
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