1 files changed, 115 insertions, 0 deletions
diff --git a/llvm/lib/ExecutionEngine/OrcError/OrcError.cpp b/llvm/lib/ExecutionEngine/OrcError/OrcError.cpp
new file mode 100644
index 00000000000..e6e9a095319
--- /dev/null
+++ b/llvm/lib/ExecutionEngine/OrcError/OrcError.cpp
@@ -0,0 +1,115 @@
+//===---------------- OrcError.cpp - Error codes for ORC ------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Error codes for ORC.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ExecutionEngine/Orc/OrcError.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/ManagedStatic.h"
+
+using namespace llvm;
+using namespace llvm::orc;
+
+namespace {
+
+// FIXME: This class is only here to support the transition to llvm::Error. It
+// will be removed once this transition is complete. Clients should prefer to
+// deal with the Error value directly, rather than converting to error_code.
+class OrcErrorCategory : public std::error_category {
+public:
+  const char *name() const noexcept override { return "orc"; }
+
+  std::string message(int condition) const override {
+    switch (static_cast<OrcErrorCode>(condition)) {
+    case OrcErrorCode::UnknownORCError:
+      return "Unknown ORC error";
+    case OrcErrorCode::DuplicateDefinition:
+      return "Duplicate symbol definition";
+    case OrcErrorCode::JITSymbolNotFound:
+      return "JIT symbol not found";
+    case OrcErrorCode::RemoteAllocatorDoesNotExist:
+      return "Remote allocator does not exist";
+    case OrcErrorCode::RemoteAllocatorIdAlreadyInUse:
+      return "Remote allocator Id already in use";
+    case OrcErrorCode::RemoteMProtectAddrUnrecognized:
+      return "Remote mprotect call references unallocated memory";
+    case OrcErrorCode::RemoteIndirectStubsOwnerDoesNotExist:
+      return "Remote indirect stubs owner does not exist";
+    case OrcErrorCode::RemoteIndirectStubsOwnerIdAlreadyInUse:
+      return "Remote indirect stubs owner Id already in use";
+    case OrcErrorCode::RPCConnectionClosed:
+      return "RPC connection closed";
+    case OrcErrorCode::RPCCouldNotNegotiateFunction:
+      return "Could not negotiate RPC function";
+    case OrcErrorCode::RPCResponseAbandoned:
+      return "RPC response abandoned";
+    case OrcErrorCode::UnexpectedRPCCall:
+      return "Unexpected RPC call";
+    case OrcErrorCode::UnexpectedRPCResponse:
+      return "Unexpected RPC response";
+    case OrcErrorCode::UnknownErrorCodeFromRemote:
+      return "Unknown error returned from remote RPC function "
+             "(Use StringError to get error message)";
+    case OrcErrorCode::UnknownResourceHandle:
+      return "Unknown resource handle";
+    }
+    llvm_unreachable("Unhandled error code");
+  }
+};
+
+static ManagedStatic<OrcErrorCategory> OrcErrCat;
+}
+
+namespace llvm {
+namespace orc {
+
+char DuplicateDefinition::ID = 0;
+char JITSymbolNotFound::ID = 0;
+
+std::error_code orcError(OrcErrorCode ErrCode) {
+  typedef std::underlying_type<OrcErrorCode>::type UT;
+  return std::error_code(static_cast<UT>(ErrCode), *OrcErrCat);
+}
+
+
+DuplicateDefinition::DuplicateDefinition(std::string SymbolName)
+  : SymbolName(std::move(SymbolName)) {}
+
+std::error_code DuplicateDefinition::convertToErrorCode() const {
+  return orcError(OrcErrorCode::DuplicateDefinition);
+}
+
+void DuplicateDefinition::log(raw_ostream &OS) const {
+  OS << "Duplicate definition of symbol '" << SymbolName << "'";
+}
+
+const std::string &DuplicateDefinition::getSymbolName() const {
+  return SymbolName;
+}
+
+JITSymbolNotFound::JITSymbolNotFound(std::string SymbolName)
+  : SymbolName(std::move(SymbolName)) {}
+
+std::error_code JITSymbolNotFound::convertToErrorCode() const {
+  typedef std::underlying_type<OrcErrorCode>::type UT;
+  return std::error_code(static_cast<UT>(OrcErrorCode::JITSymbolNotFound),
+                         *OrcErrCat);
+}
+
+void JITSymbolNotFound::log(raw_ostream &OS) const {
+  OS << "Could not find symbol '" << SymbolName << "'";
+}
+
+const std::string &JITSymbolNotFound::getSymbolName() const {
+  return SymbolName;
+}
+
+}
+}