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symbol resolver argument. De-templatizing the symbol resolver is part of the ongoing simplification of ORC layer API. Removing the memory management argument (and delegating construction of memory managers for RTDyldObjectLinkingLayer to a functor passed in to the constructor) allows us to build JITs whose base object layers need not be compatible with RTDyldObjectLinkingLayer's memory mangement scheme. For example, a 'remote object layer' that sends fully relocatable objects directly to the remote does not need a memory management scheme at all (that will be handled by the remote). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@307058 91177308-0d34-0410-b5e6-96231b3b80d8
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
//===- LambdaResolverMM - Redirect symbol lookup via a functor --*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Defines a RuntimeDyld::SymbolResolver subclass that uses a user-supplied
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// functor for symbol resolution.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H
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#define LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/ExecutionEngine/JITSymbol.h"
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#include <memory>
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namespace llvm {
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namespace orc {
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template <typename DylibLookupFtorT, typename ExternalLookupFtorT>
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class LambdaResolver : public JITSymbolResolver {
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public:
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LambdaResolver(DylibLookupFtorT DylibLookupFtor,
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ExternalLookupFtorT ExternalLookupFtor)
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: DylibLookupFtor(DylibLookupFtor),
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ExternalLookupFtor(ExternalLookupFtor) {}
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JITSymbol findSymbolInLogicalDylib(const std::string &Name) final {
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return DylibLookupFtor(Name);
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}
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JITSymbol findSymbol(const std::string &Name) final {
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return ExternalLookupFtor(Name);
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}
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private:
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DylibLookupFtorT DylibLookupFtor;
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ExternalLookupFtorT ExternalLookupFtor;
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};
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template <typename DylibLookupFtorT,
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typename ExternalLookupFtorT>
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std::shared_ptr<LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT>>
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createLambdaResolver(DylibLookupFtorT DylibLookupFtor,
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ExternalLookupFtorT ExternalLookupFtor) {
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using LR = LambdaResolver<DylibLookupFtorT, ExternalLookupFtorT>;
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return make_unique<LR>(std::move(DylibLookupFtor),
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std::move(ExternalLookupFtor));
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}
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} // end namespace orc
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} // end namespace llvm
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#endif // LLVM_EXECUTIONENGINE_ORC_LAMBDARESOLVER_H
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