| 1 | //===---------- OmptCallback.cpp - Generic OMPT callbacks --------- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // OMPT support for PluginInterface |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #ifdef OMPT_SUPPORT |
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| 14 | |
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| 15 | #include "llvm/Support/DynamicLibrary.h" |
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| 16 | |
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| 17 | #include <cstdlib> |
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| 18 | #include <cstring> |
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| 19 | #include <memory> |
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| 20 | |
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| 21 | #include "Shared/Debug.h" |
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| 22 | |
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| 23 | #include "OpenMP/OMPT/Callback.h" |
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| 24 | #include "OpenMP/OMPT/Connector.h" |
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| 25 | |
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| 26 | using namespace llvm::omp::target::ompt; |
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| 27 | |
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| 28 | bool llvm::omp::target::ompt::Initialized = false; |
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| 29 | |
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| 30 | ompt_get_callback_t llvm::omp::target::ompt::lookupCallbackByCode = nullptr; |
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| 31 | ompt_function_lookup_t llvm::omp::target::ompt::lookupCallbackByName = nullptr; |
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| 32 | |
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| 33 | int llvm::omp::target::ompt::initializeLibrary(ompt_function_lookup_t lookup, |
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| 34 | int initial_device_num, |
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| 35 | ompt_data_t *tool_data) { |
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| 36 | DP("OMPT: Executing initializeLibrary (libomptarget)\n" ); |
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| 37 | #define bindOmptFunctionName(OmptFunction, DestinationFunction) \ |
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| 38 | if (lookup) \ |
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| 39 | DestinationFunction = (OmptFunction##_t)lookup(#OmptFunction); \ |
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| 40 | DP("OMPT: initializeLibrary (libomptarget) bound %s=%p\n", \ |
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| 41 | #DestinationFunction, ((void *)(uint64_t)DestinationFunction)); |
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| 42 | |
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| 43 | bindOmptFunctionName(ompt_get_callback, lookupCallbackByCode); |
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| 44 | #undef bindOmptFunctionName |
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| 45 | |
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| 46 | // Store pointer of 'ompt_libomp_target_fn_lookup' for use by the plugin |
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| 47 | lookupCallbackByName = lookup; |
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| 48 | |
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| 49 | Initialized = true; |
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| 50 | |
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| 51 | return 0; |
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| 52 | } |
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| 53 | |
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| 54 | void llvm::omp::target::ompt::finalizeLibrary(ompt_data_t *tool_data) { |
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| 55 | DP("OMPT: Executing finalizeLibrary (libomptarget)\n" ); |
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| 56 | } |
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| 57 | |
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| 58 | void llvm::omp::target::ompt::connectLibrary() { |
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| 59 | DP("OMPT: Entering connectLibrary (libomptarget)\n" ); |
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| 60 | /// Connect plugin instance with libomptarget |
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| 61 | OmptLibraryConnectorTy LibomptargetConnector("libomptarget" ); |
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| 62 | ompt_start_tool_result_t OmptResult; |
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| 63 | |
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| 64 | // Initialize OmptResult with the init and fini functions that will be |
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| 65 | // called by the connector |
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| 66 | OmptResult.initialize = ompt::initializeLibrary; |
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| 67 | OmptResult.finalize = ompt::finalizeLibrary; |
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| 68 | OmptResult.tool_data.value = 0; |
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| 69 | |
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| 70 | // Now call connect that causes the above init/fini functions to be called |
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| 71 | LibomptargetConnector.connect(&OmptResult); |
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| 72 | DP("OMPT: Exiting connectLibrary (libomptarget)\n" ); |
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| 73 | } |
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| 74 | |
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| 75 | #endif |
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| 76 | |
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