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//===------ OrcLazyJIT.cpp - Basic Orc-based JIT for lazy execution -------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "OrcLazyJIT.h"
#include "llvm/ExecutionEngine/Orc/OrcTargetSupport.h"
using namespace llvm;
std::unique_ptr<OrcLazyJIT::CompileCallbackMgr>
OrcLazyJIT::createCallbackMgr(Triple T, LLVMContext &Context) {
switch (T.getArch()) {
default:
// Flag error.
Error = true;
return nullptr;
case Triple::x86_64: {
typedef orc::JITCompileCallbackManager<CompileLayerT,
orc::OrcX86_64> CCMgrT;
return make_unique<CCMgrT>(CompileLayer, Context, 0, 64);
}
}
}
int llvm::runOrcLazyJIT(std::unique_ptr<Module> M, int ArgC, char* ArgV[]) {
OrcLazyJIT J(std::unique_ptr<TargetMachine>(EngineBuilder().selectTarget()),
getGlobalContext());
if (!J.Ok()) {
errs() << "Could not construct JIT.\n";
return 1;
}
auto MainHandle = J.addModule(std::move(M));
auto MainSym = J.findSymbolIn(MainHandle, "main");
if (!MainSym) {
errs() << "Could not find main function.\n";
return 1;
}
typedef int (*MainFnPtr)(int, char*[]);
auto Main = reinterpret_cast<MainFnPtr>(
static_cast<uintptr_t>(MainSym.getAddress()));
return Main(ArgC, ArgV);
}
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