Files
clang-p2996/llvm/lib/ExecutionEngine/Orc/Shared/RPCError.cpp
Lang Hames 1d0676b54c [ORC] Break up OrcJIT library, add Orc-RPC based remote TargetProcessControl
implementation.

This patch aims to improve support for out-of-process JITing using OrcV2. It
introduces two new class templates, OrcRPCTargetProcessControlBase and
OrcRPCTPCServer, which together implement the TargetProcessControl API by
forwarding operations to an execution process via an Orc-RPC Endpoint. These
utilities are used to implement out-of-process JITing from llvm-jitlink to
a new llvm-jitlink-executor tool.

This patch also breaks the OrcJIT library into three parts:
  -- OrcTargetProcess: Contains code needed by the JIT execution process.
  -- OrcShared: Contains code needed by the JIT execution and compiler
     processes
  -- OrcJIT: Everything else.

This break-up allows JIT executor processes to link against OrcTargetProcess
and OrcShared only, without having to link in all of OrcJIT. Clients executing
JIT'd code in-process should start linking against OrcTargetProcess as well as
OrcJIT.

In the near future these changes will enable:
  -- Removal of the OrcRemoteTargetClient/OrcRemoteTargetServer class templates
     which provided similar functionality in OrcV1.
  -- Restoration of Chapter 5 of the Building-A-JIT tutorial series, which will
     serve as a simple usage example for these APIs.
  -- Implementation of lazy, cross-target compilation in lli's -jit-kind=orc-lazy
     mode.
2020-11-13 17:05:13 +11:00

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//===--------------- RPCError.cpp - RPCERror implementation ---------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// RPC Error type implmentations.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/RPC/RPCUtils.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/raw_ostream.h"
#include <string>
#include <system_error>
char llvm::orc::rpc::RPCFatalError::ID = 0;
char llvm::orc::rpc::ConnectionClosed::ID = 0;
char llvm::orc::rpc::ResponseAbandoned::ID = 0;
char llvm::orc::rpc::CouldNotNegotiate::ID = 0;
namespace llvm {
namespace orc {
namespace rpc {
std::error_code ConnectionClosed::convertToErrorCode() const {
return orcError(OrcErrorCode::RPCConnectionClosed);
}
void ConnectionClosed::log(raw_ostream &OS) const {
OS << "RPC connection already closed";
}
std::error_code ResponseAbandoned::convertToErrorCode() const {
return orcError(OrcErrorCode::RPCResponseAbandoned);
}
void ResponseAbandoned::log(raw_ostream &OS) const {
OS << "RPC response abandoned";
}
CouldNotNegotiate::CouldNotNegotiate(std::string Signature)
: Signature(std::move(Signature)) {}
std::error_code CouldNotNegotiate::convertToErrorCode() const {
return orcError(OrcErrorCode::RPCCouldNotNegotiateFunction);
}
void CouldNotNegotiate::log(raw_ostream &OS) const {
OS << "Could not negotiate RPC function " << Signature;
}
} // end namespace rpc
} // end namespace orc
} // end namespace llvm