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      1 //===------ OrcError.h - Reject symbol lookup requests ------*- C++ -*-===//
      2 //
      3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4 // See https://llvm.org/LICENSE.txt for license information.
      5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6 //
      7 //===----------------------------------------------------------------------===//
      8 //
      9 //   Define an error category, error codes, and helper utilities for Orc.
     10 //
     11 //===----------------------------------------------------------------------===//
     12 
     13 #ifndef LLVM_EXECUTIONENGINE_ORC_SHARED_ORCERROR_H
     14 #define LLVM_EXECUTIONENGINE_ORC_SHARED_ORCERROR_H
     15 
     16 #include "llvm/Support/Error.h"
     17 #include "llvm/Support/raw_ostream.h"
     18 #include <string>
     19 #include <system_error>
     20 
     21 namespace llvm {
     22 namespace orc {
     23 
     24 enum class OrcErrorCode : int {
     25   // RPC Errors
     26   UnknownORCError = 1,
     27   DuplicateDefinition,
     28   JITSymbolNotFound,
     29   RemoteAllocatorDoesNotExist,
     30   RemoteAllocatorIdAlreadyInUse,
     31   RemoteMProtectAddrUnrecognized,
     32   RemoteIndirectStubsOwnerDoesNotExist,
     33   RemoteIndirectStubsOwnerIdAlreadyInUse,
     34   RPCConnectionClosed,
     35   RPCCouldNotNegotiateFunction,
     36   RPCResponseAbandoned,
     37   UnexpectedRPCCall,
     38   UnexpectedRPCResponse,
     39   UnknownErrorCodeFromRemote,
     40   UnknownResourceHandle,
     41   MissingSymbolDefinitions,
     42   UnexpectedSymbolDefinitions,
     43 };
     44 
     45 std::error_code orcError(OrcErrorCode ErrCode);
     46 
     47 class DuplicateDefinition : public ErrorInfo<DuplicateDefinition> {
     48 public:
     49   static char ID;
     50 
     51   DuplicateDefinition(std::string SymbolName);
     52   std::error_code convertToErrorCode() const override;
     53   void log(raw_ostream &OS) const override;
     54   const std::string &getSymbolName() const;
     55 private:
     56   std::string SymbolName;
     57 };
     58 
     59 class JITSymbolNotFound : public ErrorInfo<JITSymbolNotFound> {
     60 public:
     61   static char ID;
     62 
     63   JITSymbolNotFound(std::string SymbolName);
     64   std::error_code convertToErrorCode() const override;
     65   void log(raw_ostream &OS) const override;
     66   const std::string &getSymbolName() const;
     67 private:
     68   std::string SymbolName;
     69 };
     70 
     71 } // End namespace orc.
     72 } // End namespace llvm.
     73 
     74 #endif // LLVM_EXECUTIONENGINE_ORC_SHARED_ORCERROR_H
     75