forked from OSchip/llvm-project
[ORC] Add NullResolver
Summary: This is an implementation of RuntimeDyld::SymbolResolver that simply rejects all resolution requests; useful for clients that do not have any cross-object symbol references. Reviewers: lhames Reviewed By: lhames Subscribers: llvm-commits Differential Revision: http://reviews.llvm.org/D10455 llvm-svn: 240288
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//===------ NullResolver.h - Reject symbol lookup requests ------*- 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 rejects all symbol
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// resolution requests, for clients that have no cross-object fixups.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_NULLRESOLVER_H
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#define LLVM_EXECUTIONENGINE_ORC_NULLRESOLVER_H
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#include "llvm/ExecutionEngine/RuntimeDyld.h"
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namespace llvm {
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namespace orc {
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/// SymbolResolver impliementation that rejects all resolution requests.
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/// Useful for clients that have no cross-object fixups.
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class NullResolver : public RuntimeDyld::SymbolResolver {
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public:
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RuntimeDyld::SymbolInfo findSymbol(const std::string &Name) final;
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RuntimeDyld::SymbolInfo
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findSymbolInLogicalDylib(const std::string &Name) final;
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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_NULLRESOLVER_H
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add_llvm_library(LLVMOrcJIT
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add_llvm_library(LLVMOrcJIT
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ExecutionUtils.cpp
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ExecutionUtils.cpp
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IndirectionUtils.cpp
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IndirectionUtils.cpp
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OrcMCJITReplacement.cpp
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NullResolver.cpp
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OrcTargetSupport.cpp
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OrcMCJITReplacement.cpp
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OrcTargetSupport.cpp
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ADDITIONAL_HEADER_DIRS
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${LLVM_MAIN_INCLUDE_DIR}/llvm/ExecutionEngine/Orc
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ADDITIONAL_HEADER_DIRS
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${LLVM_MAIN_INCLUDE_DIR}/llvm/ExecutionEngine/Orc
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DEPENDS
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intrinsics_gen
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DEPENDS
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)
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intrinsics_gen
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)
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//===---------- NullResolver.cpp - Reject symbol lookup requests ----------===//
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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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#include "llvm/ExecutionEngine/Orc/NullResolver.h"
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#include "llvm/Support/ErrorHandling.h"
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namespace llvm {
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namespace orc {
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RuntimeDyld::SymbolInfo NullResolver::findSymbol(const std::string &Name) {
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llvm_unreachable("Unexpected cross-object symbol reference");
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}
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RuntimeDyld::SymbolInfo
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NullResolver::findSymbolInLogicalDylib(const std::string &Name) {
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llvm_unreachable("Unexpected cross-object symbol reference");
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}
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} // End namespace orc.
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} // End namespace llvm.
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