Line data    Source code

       1             : //===------ NullResolver.h - Reject symbol lookup requests ------*- C++ -*-===//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : //   Defines a RuntimeDyld::SymbolResolver subclass that rejects all symbol
      11             : // resolution requests, for clients that have no cross-object fixups.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_EXECUTIONENGINE_ORC_NULLRESOLVER_H
      16             : #define LLVM_EXECUTIONENGINE_ORC_NULLRESOLVER_H
      17             : 
      18             : #include "llvm/ExecutionEngine/Orc/Legacy.h"
      19             : #include "llvm/ExecutionEngine/RuntimeDyld.h"
      20             : 
      21             : namespace llvm {
      22             : namespace orc {
      23             : 
      24           5 : class NullResolver : public SymbolResolver {
      25             : public:
      26             :   SymbolNameSet getResponsibilitySet(const SymbolNameSet &Symbols) final;
      27             : 
      28             :   SymbolNameSet lookup(std::shared_ptr<AsynchronousSymbolQuery> Query,
      29             :                        SymbolNameSet Symbols) final;
      30             : };
      31             : 
      32             : /// SymbolResolver impliementation that rejects all resolution requests.
      33             : /// Useful for clients that have no cross-object fixups.
      34           8 : class NullLegacyResolver : public LegacyJITSymbolResolver {
      35             : public:
      36             :   JITSymbol findSymbol(const std::string &Name) final;
      37             : 
      38             :   JITSymbol findSymbolInLogicalDylib(const std::string &Name) final;
      39             : };
      40             : 
      41             : } // End namespace orc.
      42             : } // End namespace llvm.
      43             : 
      44             : #endif // LLVM_EXECUTIONENGINE_ORC_NULLRESOLVER_H