| // Copyright (c) 2016 Google Inc. |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and/or associated documentation files (the |
| // "Materials"), to deal in the Materials without restriction, including |
| // without limitation the rights to use, copy, modify, merge, publish, |
| // distribute, sublicense, and/or sell copies of the Materials, and to |
| // permit persons to whom the Materials are furnished to do so, subject to |
| // the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included |
| // in all copies or substantial portions of the Materials. |
| // |
| // MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS |
| // KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS |
| // SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT |
| // https://www.khronos.org/registry/ |
| // |
| // THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| // MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| |
| #include "libspirv.hpp" |
| |
| #include "ir_loader.h" |
| |
| namespace spvtools { |
| |
| namespace { |
| |
| // Sets the module header. Meets the interface requirement of spvBinaryParse(). |
| spv_result_t SetSpvHeader(void* builder, spv_endianness_t, uint32_t magic, |
| uint32_t version, uint32_t generator, |
| uint32_t id_bound, uint32_t reserved) { |
| reinterpret_cast<ir::IrLoader*>(builder)->SetModuleHeader( |
| magic, version, generator, id_bound, reserved); |
| return SPV_SUCCESS; |
| }; |
| |
| // Processes a parsed instruction. Meets the interface requirement of |
| // spvBinaryParse(). |
| spv_result_t SetSpvInst(void* builder, const spv_parsed_instruction_t* inst) { |
| reinterpret_cast<ir::IrLoader*>(builder)->AddInstruction(inst); |
| return SPV_SUCCESS; |
| }; |
| |
| } // annoymous namespace |
| |
| spv_result_t SpvTools::Assemble(const std::string& text, |
| std::vector<uint32_t>* binary) { |
| spv_binary spvbinary = nullptr; |
| spv_diagnostic diagnostic = nullptr; |
| |
| spv_result_t status = spvTextToBinary(context_, text.data(), text.size(), |
| &spvbinary, &diagnostic); |
| if (status == SPV_SUCCESS) { |
| binary->assign(spvbinary->code, spvbinary->code + spvbinary->wordCount); |
| } |
| |
| spvDiagnosticDestroy(diagnostic); |
| spvBinaryDestroy(spvbinary); |
| |
| return status; |
| } |
| |
| spv_result_t SpvTools::Disassemble(const std::vector<uint32_t>& binary, |
| std::string* text) { |
| spv_text spvtext = nullptr; |
| spv_diagnostic diagnostic = nullptr; |
| |
| spv_result_t status = spvBinaryToText(context_, binary.data(), binary.size(), |
| SPV_BINARY_TO_TEXT_OPTION_NO_HEADER, |
| &spvtext, &diagnostic); |
| if (status == SPV_SUCCESS) { |
| text->assign(spvtext->str, spvtext->str + spvtext->length); |
| } |
| |
| spvDiagnosticDestroy(diagnostic); |
| spvTextDestroy(spvtext); |
| |
| return status; |
| } |
| |
| std::unique_ptr<ir::Module> SpvTools::BuildModule( |
| const std::vector<uint32_t>& binary) { |
| spv_diagnostic diagnostic = nullptr; |
| |
| std::unique_ptr<ir::Module> module(new ir::Module); |
| ir::IrLoader loader(module.get()); |
| |
| spv_result_t status = |
| spvBinaryParse(context_, &loader, binary.data(), binary.size(), |
| SetSpvHeader, SetSpvInst, &diagnostic); |
| |
| spvDiagnosticDestroy(diagnostic); |
| |
| loader.EndModule(); |
| |
| if (status == SPV_SUCCESS) return module; |
| return nullptr; |
| } |
| |
| std::unique_ptr<ir::Module> SpvTools::BuildModule(const std::string& text) { |
| std::vector<uint32_t> binary; |
| if (Assemble(text, &binary) != SPV_SUCCESS) return nullptr; |
| return BuildModule(binary); |
| } |
| |
| } // namespace spvtools |