Home | History | Annotate | Download | only in Orc 
      1 //===---------------- OrcError.cpp - Error codes for ORC ------------------===//
      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 // Error codes for ORC.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include "llvm/ExecutionEngine/Orc/OrcError.h"
     15 #include "llvm/Support/ErrorHandling.h"
     16 #include "llvm/Support/ManagedStatic.h"
     17 
     18 using namespace llvm;
     19 using namespace llvm::orc;
     20 
     21 namespace {
     22 
     23 // FIXME: This class is only here to support the transition to llvm::Error. It
     24 // will be removed once this transition is complete. Clients should prefer to
     25 // deal with the Error value directly, rather than converting to error_code.
     26 class OrcErrorCategory : public std::error_category {
     27 public:
     28   const char *name() const noexcept override { return "orc"; }
     29 
     30   std::string message(int condition) const override {
     31     switch (static_cast<OrcErrorCode>(condition)) {
     32     case OrcErrorCode::UnknownORCError:
     33       return "Unknown ORC error";
     34     case OrcErrorCode::DuplicateDefinition:
     35       return "Duplicate symbol definition";
     36     case OrcErrorCode::JITSymbolNotFound:
     37       return "JIT symbol not found";
     38     case OrcErrorCode::RemoteAllocatorDoesNotExist:
     39       return "Remote allocator does not exist";
     40     case OrcErrorCode::RemoteAllocatorIdAlreadyInUse:
     41       return "Remote allocator Id already in use";
     42     case OrcErrorCode::RemoteMProtectAddrUnrecognized:
     43       return "Remote mprotect call references unallocated memory";
     44     case OrcErrorCode::RemoteIndirectStubsOwnerDoesNotExist:
     45       return "Remote indirect stubs owner does not exist";
     46     case OrcErrorCode::RemoteIndirectStubsOwnerIdAlreadyInUse:
     47       return "Remote indirect stubs owner Id already in use";
     48     case OrcErrorCode::RPCConnectionClosed:
     49       return "RPC connection closed";
     50     case OrcErrorCode::RPCCouldNotNegotiateFunction:
     51       return "Could not negotiate RPC function";
     52     case OrcErrorCode::RPCResponseAbandoned:
     53       return "RPC response abandoned";
     54     case OrcErrorCode::UnexpectedRPCCall:
     55       return "Unexpected RPC call";
     56     case OrcErrorCode::UnexpectedRPCResponse:
     57       return "Unexpected RPC response";
     58     case OrcErrorCode::UnknownErrorCodeFromRemote:
     59       return "Unknown error returned from remote RPC function "
     60              "(Use StringError to get error message)";
     61     case OrcErrorCode::UnknownResourceHandle:
     62       return "Unknown resource handle";
     63     }
     64     llvm_unreachable("Unhandled error code");
     65   }
     66 };
     67 
     68 static ManagedStatic<OrcErrorCategory> OrcErrCat;
     69 }
     70 
     71 namespace llvm {
     72 namespace orc {
     73 
     74 char DuplicateDefinition::ID = 0;
     75 char JITSymbolNotFound::ID = 0;
     76 
     77 std::error_code orcError(OrcErrorCode ErrCode) {
     78   typedef std::underlying_type<OrcErrorCode>::type UT;
     79   return std::error_code(static_cast<UT>(ErrCode), *OrcErrCat);
     80 }
     81 
     82 
     83 DuplicateDefinition::DuplicateDefinition(std::string SymbolName)
     84   : SymbolName(std::move(SymbolName)) {}
     85 
     86 std::error_code DuplicateDefinition::convertToErrorCode() const {
     87   return orcError(OrcErrorCode::DuplicateDefinition);
     88 }
     89 
     90 void DuplicateDefinition::log(raw_ostream &OS) const {
     91   OS << "Duplicate definition of symbol '" << SymbolName << "'";
     92 }
     93 
     94 const std::string &DuplicateDefinition::getSymbolName() const {
     95   return SymbolName;
     96 }
     97 
     98 JITSymbolNotFound::JITSymbolNotFound(std::string SymbolName)
     99   : SymbolName(std::move(SymbolName)) {}
    100 
    101 std::error_code JITSymbolNotFound::convertToErrorCode() const {
    102   typedef std::underlying_type<OrcErrorCode>::type UT;
    103   return std::error_code(static_cast<UT>(OrcErrorCode::JITSymbolNotFound),
    104                          *OrcErrCat);
    105 }
    106 
    107 void JITSymbolNotFound::log(raw_ostream &OS) const {
    108   OS << "Could not find symbol '" << SymbolName << "'";
    109 }
    110 
    111 const std::string &JITSymbolNotFound::getSymbolName() const {
    112   return SymbolName;
    113 }
    114 
    115 }
    116 }
    117