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:
name() const28   const char *name() const noexcept override { return "orc"; }
29 
message(int condition) const30   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 
orcError(OrcErrorCode ErrCode)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 
DuplicateDefinition(std::string SymbolName)83 DuplicateDefinition::DuplicateDefinition(std::string SymbolName)
84   : SymbolName(std::move(SymbolName)) {}
85 
convertToErrorCode() const86 std::error_code DuplicateDefinition::convertToErrorCode() const {
87   return orcError(OrcErrorCode::DuplicateDefinition);
88 }
89 
log(raw_ostream & OS) const90 void DuplicateDefinition::log(raw_ostream &OS) const {
91   OS << "Duplicate definition of symbol '" << SymbolName << "'";
92 }
93 
getSymbolName() const94 const std::string &DuplicateDefinition::getSymbolName() const {
95   return SymbolName;
96 }
97 
JITSymbolNotFound(std::string SymbolName)98 JITSymbolNotFound::JITSymbolNotFound(std::string SymbolName)
99   : SymbolName(std::move(SymbolName)) {}
100 
convertToErrorCode() const101 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 
log(raw_ostream & OS) const107 void JITSymbolNotFound::log(raw_ostream &OS) const {
108   OS << "Could not find symbol '" << SymbolName << "'";
109 }
110 
getSymbolName() const111 const std::string &JITSymbolNotFound::getSymbolName() const {
112   return SymbolName;
113 }
114 
115 }
116 }
117