a01c4ee71c
The new names, DylibHandle and loadDylib, are more concise and make clear that these utilities are for loading dynamic libraries, not static ones.
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
//===---------------- TPCDynamicLibrarySearchGenerator.cpp ----------------===//
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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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#include "llvm/ExecutionEngine/Orc/TPCDynamicLibrarySearchGenerator.h"
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namespace llvm {
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namespace orc {
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Expected<std::unique_ptr<TPCDynamicLibrarySearchGenerator>>
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TPCDynamicLibrarySearchGenerator::Load(TargetProcessControl &TPC,
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const char *LibraryPath) {
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auto Handle = TPC.loadDylib(LibraryPath);
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if (!Handle)
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return Handle.takeError();
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return std::make_unique<TPCDynamicLibrarySearchGenerator>(TPC, *Handle);
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}
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Error TPCDynamicLibrarySearchGenerator::tryToGenerate(
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LookupKind K, JITDylib &JD, JITDylibLookupFlags JDLookupFlags,
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const SymbolLookupSet &Symbols) {
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if (Symbols.empty())
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return Error::success();
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SymbolMap NewSymbols;
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TargetProcessControl::LookupRequestElement Request(H, Symbols);
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auto Result = TPC.lookupSymbols(Request);
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if (!Result)
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return Result.takeError();
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assert(Result->size() == 1 && "Results for more than one library returned");
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assert(Result->front().size() == Symbols.size() &&
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"Result has incorrect number of elements");
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auto ResultI = Result->front().begin();
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for (auto &KV : Symbols)
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NewSymbols[KV.first] =
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JITEvaluatedSymbol(*ResultI++, JITSymbolFlags::Exported);
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return JD.define(absoluteSymbols(std::move(NewSymbols)));
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}
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} // end namespace orc
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} // end namespace llvm
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