#include "llvm/Analysis/Passes.h"
#include "llvm/ExecutionEngine/Orc/CompileUtils.h"
#include "llvm/ExecutionEngine/Orc/IRCompileLayer.h"
+#include "llvm/ExecutionEngine/Orc/LambdaResolver.h"
#include "llvm/ExecutionEngine/Orc/LazyEmittingLayer.h"
#include "llvm/ExecutionEngine/Orc/ObjectLinkingLayer.h"
#include "llvm/ExecutionEngine/Orc/OrcTargetSupport.h"
M(new Module(GenerateUniqueName("jit_module_"),
Session.getLLVMContext())),
Builder(Session.getLLVMContext()) {
- M->setDataLayout(Session.getTarget().getDataLayout());
+ M->setDataLayout(*Session.getTarget().getDataLayout());
}
SessionContext& getSession() { return Session; }
KaleidoscopeJIT(SessionContext &Session)
: Session(Session),
- Mang(Session.getTarget().getDataLayout()),
- ObjectLayer(
- [](){ return llvm::make_unique<SectionMemoryManager>(); }),
CompileLayer(ObjectLayer, SimpleCompiler(Session.getTarget())),
LazyEmitLayer(CompileLayer),
- CompileCallbacks(LazyEmitLayer, Session.getLLVMContext(),
+ CompileCallbacks(LazyEmitLayer, CCMgrMemMgr, Session.getLLVMContext(),
reinterpret_cast<uintptr_t>(EarthShatteringKaboom),
64) {}
std::string MangledName;
{
raw_string_ostream MangledNameStream(MangledName);
- Mang.getNameWithPrefix(MangledNameStream, Name);
+ Mangler::getNameWithPrefix(MangledNameStream, Name,
+ *Session.getTarget().getDataLayout());
}
return MangledName;
}
// We need a memory manager to allocate memory and resolve symbols for this
// new module. Create one that resolves symbols by looking back into the
// JIT.
- auto MM = createLookasideRTDyldMM<SectionMemoryManager>(
- [&](const std::string &Name) {
- // First try to find 'Name' within the JIT.
- if (auto Symbol = findSymbol(Name))
- return Symbol.getAddress();
-
- // If we don't already have a definition of 'Name' then search
- // the ASTs.
- return searchFunctionASTs(Name);
- },
- [](const std::string &S) { return 0; } );
+ auto Resolver = createLambdaResolver(
+ [&](const std::string &Name) {
+ // First try to find 'Name' within the JIT.
+ if (auto Symbol = findSymbol(Name))
+ return RuntimeDyld::SymbolInfo(Symbol.getAddress(),
+ Symbol.getFlags());
+
+ // If we don't already have a definition of 'Name' then search
+ // the ASTs.
+ return searchFunctionASTs(Name);
+ },
+ [](const std::string &S) { return nullptr; } );
return LazyEmitLayer.addModuleSet(singletonSet(std::move(M)),
- std::move(MM));
+ make_unique<SectionMemoryManager>(),
+ std::move(Resolver));
}
void removeModule(ModuleHandleT H) { LazyEmitLayer.removeModuleSet(H); }
JITSymbol findSymbol(const std::string &Name) {
- return LazyEmitLayer.findSymbol(Name, true);
+ return LazyEmitLayer.findSymbol(Name, false);
}
JITSymbol findSymbolIn(ModuleHandleT H, const std::string &Name) {
- return LazyEmitLayer.findSymbolIn(H, Name, true);
+ return LazyEmitLayer.findSymbolIn(H, Name, false);
}
JITSymbol findUnmangledSymbol(const std::string &Name) {
// This method searches the FunctionDefs map for a definition of 'Name'. If it
// finds one it generates a stub for it and returns the address of the stub.
- TargetAddress searchFunctionASTs(const std::string &Name) {
+ RuntimeDyld::SymbolInfo searchFunctionASTs(const std::string &Name) {
auto DefI = FunctionDefs.find(Name);
if (DefI == FunctionDefs.end())
return 0;
// IRGen the AST, add it to the JIT, and return the address for it.
auto H = irGenStub(std::move(FnAST));
- return findSymbolIn(H, Name).getAddress();
+ auto Sym = findSymbolIn(H, Name);
+ return RuntimeDyld::SymbolInfo(Sym.getAddress(), Sym.getFlags());
}
// This method will take the AST for a function definition and IR-gen a stub
// compile and update actions for the callback, and get a pointer to
// the jit trampoline that we need to call to trigger those actions.
auto CallbackInfo =
- CompileCallbacks.getCompileCallback(*F->getFunctionType());
+ CompileCallbacks.getCompileCallback(F->getContext());
// Step 3) Create a stub that will indirectly call the body of this
// function once it is compiled. Initially, set the function
// pointer for the indirection to point at the trampoline.
std::string BodyPtrName = (F->getName() + "$address").str();
GlobalVariable *FunctionBodyPointer =
- createImplPointer(*F, BodyPtrName, CallbackInfo.getAddress());
+ createImplPointer(*F->getType(), *F->getParent(), BodyPtrName,
+ createIRTypedAddress(*F->getFunctionType(),
+ CallbackInfo.getAddress()));
makeStub(*F, *FunctionBodyPointer);
// Step 4) Add the module containing the stub to the JIT.
- auto H = addModule(C.takeM());
+ auto StubH = addModule(C.takeM());
// Step 5) Set the compile and update actions.
//
// The update action will update FunctionBodyPointer to point at the newly
// compiled function.
std::shared_ptr<FunctionAST> Fn = std::move(FnAST);
- CallbackInfo.setCompileAction([this, Fn]() {
+ CallbackInfo.setCompileAction([this, Fn, BodyPtrName, StubH]() {
auto H = addModule(IRGen(Session, *Fn));
- return findUnmangledSymbolIn(H, Fn->Proto->Name).getAddress();
+ auto BodySym = findUnmangledSymbolIn(H, Fn->Proto->Name);
+ auto BodyPtrSym = findUnmangledSymbolIn(StubH, BodyPtrName);
+ assert(BodySym && "Missing function body.");
+ assert(BodyPtrSym && "Missing function pointer.");
+ auto BodyAddr = BodySym.getAddress();
+ auto BodyPtr = reinterpret_cast<void*>(
+ static_cast<uintptr_t>(BodyPtrSym.getAddress()));
+ memcpy(BodyPtr, &BodyAddr, sizeof(uintptr_t));
+ return BodyAddr;
});
- CallbackInfo.setUpdateAction(
- CompileCallbacks.getLocalFPUpdater(H, mangle(BodyPtrName)));
- return H;
+ return StubH;
}
SessionContext &Session;
- Mangler Mang;
+ SectionMemoryManager CCMgrMemMgr;
ObjLayerT ObjectLayer;
CompileLayerT CompileLayer;
LazyEmitLayerT LazyEmitLayer;
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