71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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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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*/
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#ifndef __VTS_SYSFUZZER_COMMON_COMPONENTLOADER_DLLLOADER_H__
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#define __VTS_SYSFUZZER_COMMON_COMPONENTLOADER_DLLLOADER_H__
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#include "hardware/hardware.h"
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namespace android {
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namespace vts {
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class DriverBase;
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// Pointer type for a function in a loaded component.
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typedef DriverBase* (*loader_function)();
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typedef DriverBase* (*loader_function_with_arg)(uint64_t arg);
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typedef void (*writeout_fn)();
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typedef void (*flush_fn)();
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// Component loader implementation for a DLL file.
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class DllLoader {
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public:
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DllLoader();
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virtual ~DllLoader();
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// Loads a DLL file.
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// Returns a handle (void *) if successful; NULL otherwise.
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void* Load(const char* file_path);
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// Finds and returns a requested function defined in the loaded file.
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// Returns NULL if not found.
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loader_function GetLoaderFunction(const char* function_name) const;
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loader_function_with_arg GetLoaderFunctionWithArg(
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const char* function_name) const;
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// (for sancov) Reset coverage data.
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bool SancovResetCoverage();
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// (for gcov) initialize.
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bool GcovInit(writeout_fn wfn, flush_fn ffn);
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// (for gcov) flush to file(s).
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bool GcovFlush();
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private:
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// pointer to a handle of the loaded DLL file.
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void* handle_;
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// Loads a symbol and prints error message.
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// Returns the symbol value if successful; NULL otherwise.
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void* LoadSymbol(const char* symbol_name) const;
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};
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} // namespace vts
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} // namespace android
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#endif // __VTS_SYSFUZZER_COMMON_COMPONENTLOADER_DLLLOADER_H__
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