#include "llvm/Linker/Linker.h" #include "LLVMWrapper.h" using namespace llvm; struct RustLinker { Linker L; LLVMContext &Ctx; RustLinker(Module &M) : L(M), Ctx(M.getContext()) {} }; extern "C" RustLinker* LLVMRustLinkerNew(LLVMModuleRef DstRef) { Module *Dst = unwrap(DstRef); return new RustLinker(*Dst); } extern "C" void LLVMRustLinkerFree(RustLinker *L) { delete L; } extern "C" bool LLVMRustLinkerAdd(RustLinker *L, char *BC, size_t Len) { std::unique_ptr<MemoryBuffer> Buf = MemoryBuffer::getMemBufferCopy(StringRef(BC, Len)); Expected<std::unique_ptr<Module>> SrcOrError = llvm::getLazyBitcodeModule(Buf->getMemBufferRef(), L->Ctx); if (!SrcOrError) { LLVMRustSetLastError(toString(SrcOrError.takeError()).c_str()); return false; } auto Src = std::move(*SrcOrError); if (L->L.linkInModule(std::move(Src))) { LLVMRustSetLastError(""); return false; } return true; }