LLVM  12.0.0git
OrcError.cpp
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1 //===---------------- OrcError.cpp - Error codes for ORC ------------------===//
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 // Error codes for ORC.
10 //
11 //===----------------------------------------------------------------------===//
12 
16 
17 #include <type_traits>
18 
19 using namespace llvm;
20 using namespace llvm::orc;
21 
22 namespace {
23 
24 // FIXME: This class is only here to support the transition to llvm::Error. It
25 // will be removed once this transition is complete. Clients should prefer to
26 // deal with the Error value directly, rather than converting to error_code.
27 class OrcErrorCategory : public std::error_category {
28 public:
29  const char *name() const noexcept override { return "orc"; }
30 
31  std::string message(int condition) const override {
32  switch (static_cast<OrcErrorCode>(condition)) {
34  return "Unknown ORC error";
36  return "Duplicate symbol definition";
38  return "JIT symbol not found";
40  return "Remote allocator does not exist";
42  return "Remote allocator Id already in use";
44  return "Remote mprotect call references unallocated memory";
46  return "Remote indirect stubs owner does not exist";
48  return "Remote indirect stubs owner Id already in use";
50  return "RPC connection closed";
52  return "Could not negotiate RPC function";
54  return "RPC response abandoned";
56  return "Unexpected RPC call";
58  return "Unexpected RPC response";
60  return "Unknown error returned from remote RPC function "
61  "(Use StringError to get error message)";
63  return "Unknown resource handle";
65  return "MissingSymbolsDefinitions";
67  return "UnexpectedSymbolDefinitions";
68  }
69  llvm_unreachable("Unhandled error code");
70  }
71 };
72 
73 static ManagedStatic<OrcErrorCategory> OrcErrCat;
74 }
75 
76 namespace llvm {
77 namespace orc {
78 
80 char JITSymbolNotFound::ID = 0;
81 
82 std::error_code orcError(OrcErrorCode ErrCode) {
83  typedef std::underlying_type<OrcErrorCode>::type UT;
84  return std::error_code(static_cast<UT>(ErrCode), *OrcErrCat);
85 }
86 
87 
89  : SymbolName(std::move(SymbolName)) {}
90 
91 std::error_code DuplicateDefinition::convertToErrorCode() const {
93 }
94 
96  OS << "Duplicate definition of symbol '" << SymbolName << "'";
97 }
98 
99 const std::string &DuplicateDefinition::getSymbolName() const {
100  return SymbolName;
101 }
102 
104  : SymbolName(std::move(SymbolName)) {}
105 
106 std::error_code JITSymbolNotFound::convertToErrorCode() const {
107  typedef std::underlying_type<OrcErrorCode>::type UT;
108  return std::error_code(static_cast<UT>(OrcErrorCode::JITSymbolNotFound),
109  *OrcErrCat);
110 }
111 
113  OS << "Could not find symbol '" << SymbolName << "'";
114 }
115 
116 const std::string &JITSymbolNotFound::getSymbolName() const {
117  return SymbolName;
118 }
119 
120 }
121 }
DuplicateDefinition(std::string SymbolName)
Definition: OrcError.cpp:88
This class represents lattice values for constants.
Definition: AllocatorList.h:23
static const char * name
const std::string & getSymbolName() const
Definition: OrcError.cpp:116
void log(raw_ostream &OS) const override
Print an error message to an output stream.
Definition: OrcError.cpp:95
Definition: BitVector.h:959
constexpr char SymbolName[]
Key for Kernel::Metadata::mSymbolName.
std::error_code orcError(OrcErrorCode ErrCode)
Definition: OrcError.cpp:82
const std::string & getSymbolName() const
Definition: OrcError.cpp:99
std::error_code convertToErrorCode() const override
Convert this error to a std::error_code.
Definition: OrcError.cpp:91
void log(raw_ostream &OS) const override
Print an error message to an output stream.
Definition: OrcError.cpp:112
static ManagedStatic< _object_error_category > error_category
Definition: Error.cpp:76
#define llvm_unreachable(msg)
Marks that the current location is not supposed to be reachable.
OrcErrorCode
Definition: OrcError.h:24
JITSymbolNotFound(std::string SymbolName)
Definition: OrcError.cpp:103
std::error_code convertToErrorCode() const override
Convert this error to a std::error_code.
Definition: OrcError.cpp:106
aarch64 promote const
This class implements an extremely fast bulk output stream that can only output to a stream...
Definition: raw_ostream.h:46
ManagedStatic - This transparently changes the behavior of global statics to be lazily constructed on...
Definition: ManagedStatic.h:83