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      1 //===------ OrcError.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 //   Define an error category, error codes, and helper utilities for Orc.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef LLVM_EXECUTIONENGINE_ORC_ORCERROR_H
     15 #define LLVM_EXECUTIONENGINE_ORC_ORCERROR_H
     16 
     17 #include "llvm/Support/Error.h"
     18 #include <system_error>
     19 
     20 namespace llvm {
     21 namespace orc {
     22 
     23 enum class OrcErrorCode : int {
     24   // RPC Errors
     25   UnknownORCError = 1,
     26   DuplicateDefinition,
     27   JITSymbolNotFound,
     28   RemoteAllocatorDoesNotExist,
     29   RemoteAllocatorIdAlreadyInUse,
     30   RemoteMProtectAddrUnrecognized,
     31   RemoteIndirectStubsOwnerDoesNotExist,
     32   RemoteIndirectStubsOwnerIdAlreadyInUse,
     33   RPCConnectionClosed,
     34   RPCCouldNotNegotiateFunction,
     35   RPCResponseAbandoned,
     36   UnexpectedRPCCall,
     37   UnexpectedRPCResponse,
     38   UnknownErrorCodeFromRemote,
     39   UnknownResourceHandle
     40 };
     41 
     42 std::error_code orcError(OrcErrorCode ErrCode);
     43 
     44 class DuplicateDefinition : public ErrorInfo<DuplicateDefinition> {
     45 public:
     46   static char ID;
     47 
     48   DuplicateDefinition(std::string SymbolName);
     49   std::error_code convertToErrorCode() const override;
     50   void log(raw_ostream &OS) const override;
     51   const std::string &getSymbolName() const;
     52 private:
     53   std::string SymbolName;
     54 };
     55 
     56 class JITSymbolNotFound : public ErrorInfo<JITSymbolNotFound> {
     57 public:
     58   static char ID;
     59 
     60   JITSymbolNotFound(std::string SymbolName);
     61   std::error_code convertToErrorCode() const override;
     62   void log(raw_ostream &OS) const override;
     63   const std::string &getSymbolName() const;
     64 private:
     65   std::string SymbolName;
     66 };
     67 
     68 } // End namespace orc.
     69 } // End namespace llvm.
     70 
     71 #endif // LLVM_EXECUTIONENGINE_ORC_ORCERROR_H
     72