1 /* 2 * Copyright 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef VTS_COMPILATION_TOOLS_VTSC_CODE_GEN_FUZZER_HALHIDLFUZZERCODEGEN_H_ 18 #define VTS_COMPILATION_TOOLS_VTSC_CODE_GEN_FUZZER_HALHIDLFUZZERCODEGEN_H_ 19 20 #include "code_gen/fuzzer/FuzzerCodeGenBase.h" 21 22 namespace android { 23 namespace vts { 24 25 // Generates fuzzer code for HIDL HALs. 26 class HalHidlFuzzerCodeGen : public FuzzerCodeGenBase { 27 public: 28 HalHidlFuzzerCodeGen(const ComponentSpecificationMessage &comp_spec) 29 : FuzzerCodeGenBase(comp_spec) {} 30 31 void GenerateSourceIncludeFiles(Formatter &out) override; 32 void GenerateUsingDeclaration(Formatter &out) override; 33 void GenerateGlobalVars(Formatter &out) override; 34 void GenerateLLVMFuzzerInitialize(Formatter &out) override; 35 void GenerateLLVMFuzzerTestOneInput(Formatter &out) override; 36 37 private: 38 // Generates return callback function for HAL function being fuzzed. 39 void GenerateReturnCallback(Formatter &out, 40 const FunctionSpecificationMessage &func_spec); 41 // Generates function call. 42 void GenerateHalFunctionCall(Formatter &out, 43 const FunctionSpecificationMessage &func_spec); 44 // Returns name of pointer to hal instance. 45 std::string GetHalPointerName(); 46 // Returns true if we could omit the callback function and return result 47 // directly. 48 bool CanElideCallback(const FunctionSpecificationMessage &func_spec); 49 // Returns a vector of strings containing type names of function arguments. 50 std::vector<std::string> GetFuncArgTypes( 51 const FunctionSpecificationMessage &func_spec); 52 // Name of return callback. Since we only fuzz one function, we'll need at 53 // most one return callback. 54 const std::string return_cb_name = "hidl_cb"; 55 }; 56 57 } // namespace vts 58 } // namespace android 59 60 #endif // VTS_COMPILATION_TOOLS_VTSC_CODE_GEN_FUZZER_HALHIDLFUZZERCODEGEN_H_ 61
