llvm/llvm/examples/OrcV2Examples/LLJITWithObjectLinkingLayerPlugin/LLJITWithObjectLinkingLayerPlugin.cpp

//===--------------- LLJITWithCustomObjectLinkingLayer.cpp ----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file shows how to switch LLJIT to use a custom object linking layer (we
// use ObjectLinkingLayer, which is backed by JITLink, as an example).
//
//===----------------------------------------------------------------------===//

#include "llvm/ADT/StringMap.h"
#include "llvm/ExecutionEngine/JITLink/JITLink.h"
#include "llvm/ExecutionEngine/JITLink/JITLinkMemoryManager.h"
#include "llvm/ExecutionEngine/Orc/ExecutionUtils.h"
#include "llvm/ExecutionEngine/Orc/LLJIT.h"
#include "llvm/ExecutionEngine/Orc/ObjectLinkingLayer.h"
#include "llvm/Support/InitLLVM.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/raw_ostream.h"

#include "../ExampleModules.h"

usingnamespacellvm;
usingnamespacellvm::orc;

ExitOnError ExitOnErr;

const llvm::StringRef TestMod = …;

class MyPlugin : public ObjectLinkingLayer::Plugin { … };

static cl::opt<std::string>
    EntryPointName("entry", cl::desc("Symbol to call as main entry point"),
                   cl::init("entry"));

static cl::list<std::string> InputObjects(cl::Positional,
                                          cl::desc("input objects"));

int main(int argc, char *argv[]) { … }