2018-02-12 10:38:46 -06:00
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#include "llvm/Linker/Linker.h"
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2020-07-26 12:11:30 -05:00
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#include "LLVMWrapper.h"
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2018-02-12 10:38:46 -06:00
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using namespace llvm;
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struct RustLinker {
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Linker L;
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LLVMContext &Ctx;
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RustLinker(Module &M) :
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L(M),
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Ctx(M.getContext())
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{}
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};
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extern "C" RustLinker*
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LLVMRustLinkerNew(LLVMModuleRef DstRef) {
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Module *Dst = unwrap(DstRef);
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2019-12-31 07:08:25 -06:00
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return new RustLinker(*Dst);
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2018-02-12 10:38:46 -06:00
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}
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extern "C" void
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LLVMRustLinkerFree(RustLinker *L) {
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delete L;
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}
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extern "C" bool
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LLVMRustLinkerAdd(RustLinker *L, char *BC, size_t Len) {
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std::unique_ptr<MemoryBuffer> Buf =
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MemoryBuffer::getMemBufferCopy(StringRef(BC, Len));
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Expected<std::unique_ptr<Module>> SrcOrError =
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llvm::getLazyBitcodeModule(Buf->getMemBufferRef(), L->Ctx);
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if (!SrcOrError) {
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LLVMRustSetLastError(toString(SrcOrError.takeError()).c_str());
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return false;
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}
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auto Src = std::move(*SrcOrError);
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if (L->L.linkInModule(std::move(Src))) {
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LLVMRustSetLastError("");
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return false;
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}
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return true;
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}
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