foreman
53 строки
1.9 KiB
C++
53 строки
1.9 KiB
C++
//
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// Copyright (c) 2013 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Implementation of the the loading of dll and loading of all the exported
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// function symbols.
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#include "device/hsa/services_symbol_loader.hpp"
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#include "runtime/thread/thread.hpp"
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#include "runtime/utils/debug.hpp"
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#include "runtime/os/os.hpp"
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#include <stdlib.h>
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#include <string>
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ServicesApiSymbols* ServicesApiSymbols::instance_ = NULL;
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// services_dll_handle_ is defined in ServicesApiSymbols class.
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// This macro must be used only in member functions of ServicesApiSymbols
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// class.
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#define LOADSYMBOL(api) \
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api = (pfn_ ## api) amd::Os::getSymbol(services_dll_handle_, # api); \
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if (api == NULL) { \
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amd::log_printf(amd::LOG_ERROR, __FILE__, __LINE__, \
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"amd::Os::getSymbol() for exported func " # api " failed."); \
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amd::Os::unloadLibrary(services_dll_handle_); \
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abort(); \
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}
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ServicesApiSymbols::ServicesApiSymbols()
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: services_dll_name_(SERVICES_DLL_NAME) {
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services_dll_handle_ = amd::Os::loadLibrary(services_dll_name_.c_str());
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if (services_dll_handle_ == NULL) {
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// Do not print, otherwise tests fail when HSA core and services DLLs are
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// not installed, in which case only ORCA stack is initialized and it is
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// not an error
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// amd::log_printf(amd::LOG_INFO, __FILE__, __LINE__,
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//"Cannot load hsa servicese dll. HSA DLLs may not be installed on the machine."
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//" OpenCL requirement, returning without error.");
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return;
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}
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LOADSYMBOL(HsaGetServicesApiTable)
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}
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ServicesApiSymbols::~ServicesApiSymbols() {
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if (services_dll_handle_) {
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amd::Os::unloadLibrary(services_dll_handle_);
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services_dll_handle_ = NULL;
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}
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}
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