330d8983d2
In a nutshell, this moves our libomptarget code to populate the offload subproject. With this commit, users need to enable the new LLVM/Offload subproject as a runtime in their cmake configuration. No further changes are expected for downstream code. Tests and other components still depend on OpenMP and have also not been renamed. The results below are for a build in which OpenMP and Offload are enabled runtimes. In addition to the pure `git mv`, we needed to adjust some CMake files. Nothing is intended to change semantics. ``` ninja check-offload ``` Works with the X86 and AMDGPU offload tests ``` ninja check-openmp ``` Still works but doesn't build offload tests anymore. ``` ls install/lib ``` Shows all expected libraries, incl. - `libomptarget.devicertl.a` - `libomptarget-nvptx-sm_90.bc` - `libomptarget.rtl.amdgpu.so` -> `libomptarget.rtl.amdgpu.so.18git` - `libomptarget.so` -> `libomptarget.so.18git` Fixes: https://github.com/llvm/llvm-project/issues/75124 --------- Co-authored-by: Saiyedul Islam <Saiyedul.Islam@amd.com>
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
//===---------- OmptCallback.cpp - Generic OMPT callbacks --------- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// OMPT support for PluginInterface
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//
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//===----------------------------------------------------------------------===//
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#ifdef OMPT_SUPPORT
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#include "llvm/Support/DynamicLibrary.h"
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#include <cstdlib>
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#include <cstring>
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#include <memory>
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#include "Shared/Debug.h"
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#include "OpenMP/OMPT/Callback.h"
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#include "OpenMP/OMPT/Connector.h"
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using namespace llvm::omp::target::ompt;
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bool llvm::omp::target::ompt::Initialized = false;
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ompt_get_callback_t llvm::omp::target::ompt::lookupCallbackByCode = nullptr;
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ompt_function_lookup_t llvm::omp::target::ompt::lookupCallbackByName = nullptr;
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int llvm::omp::target::ompt::initializeLibrary(ompt_function_lookup_t lookup,
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int initial_device_num,
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ompt_data_t *tool_data) {
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DP("OMPT: Executing initializeLibrary (libomptarget)\n");
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#define bindOmptFunctionName(OmptFunction, DestinationFunction) \
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if (lookup) \
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DestinationFunction = (OmptFunction##_t)lookup(#OmptFunction); \
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DP("OMPT: initializeLibrary (libomptarget) bound %s=%p\n", \
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#DestinationFunction, ((void *)(uint64_t)DestinationFunction));
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bindOmptFunctionName(ompt_get_callback, lookupCallbackByCode);
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#undef bindOmptFunctionName
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// Store pointer of 'ompt_libomp_target_fn_lookup' for use by the plugin
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lookupCallbackByName = lookup;
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Initialized = true;
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return 0;
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}
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void llvm::omp::target::ompt::finalizeLibrary(ompt_data_t *tool_data) {
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DP("OMPT: Executing finalizeLibrary (libomptarget)\n");
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}
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void llvm::omp::target::ompt::connectLibrary() {
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DP("OMPT: Entering connectLibrary (libomptarget)\n");
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/// Connect plugin instance with libomptarget
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OmptLibraryConnectorTy LibomptargetConnector("libomptarget");
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ompt_start_tool_result_t OmptResult;
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// Initialize OmptResult with the init and fini functions that will be
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// called by the connector
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OmptResult.initialize = ompt::initializeLibrary;
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OmptResult.finalize = ompt::finalizeLibrary;
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OmptResult.tool_data.value = 0;
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// Now call connect that causes the above init/fini functions to be called
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LibomptargetConnector.connect(&OmptResult);
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DP("OMPT: Exiting connectLibrary (libomptarget)\n");
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}
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#endif
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