1 files changed, 85 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
new file mode 100644
index 0000000..56bcb8e
--- /dev/null
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
@@ -0,0 +1,85 @@
+//===-- RuntimeDyldCOFF.cpp - Run-time dynamic linker for MC-JIT -*- C++ -*-==//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Implementation of COFF support for the MC-JIT runtime dynamic linker.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RuntimeDyldCOFF.h"
+#include "Targets/RuntimeDyldCOFFX86_64.h"
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Object/ObjectFile.h"
+
+using namespace llvm;
+using namespace llvm::object;
+
+#define DEBUG_TYPE "dyld"
+
+namespace {
+
+class LoadedCOFFObjectInfo : public RuntimeDyld::LoadedObjectInfo {
+public:
+  LoadedCOFFObjectInfo(RuntimeDyldImpl &RTDyld, unsigned BeginIdx,
+                       unsigned EndIdx)
+      : RuntimeDyld::LoadedObjectInfo(RTDyld, BeginIdx, EndIdx) {}
+
+  OwningBinary<ObjectFile>
+  getObjectForDebug(const ObjectFile &Obj) const override {
+    return OwningBinary<ObjectFile>();
+  }
+};
+}
+
+namespace llvm {
+
+std::unique_ptr<RuntimeDyldCOFF>
+llvm::RuntimeDyldCOFF::create(Triple::ArchType Arch, RTDyldMemoryManager *MM) {
+  switch (Arch) {
+  default:
+    llvm_unreachable("Unsupported target for RuntimeDyldCOFF.");
+    break;
+  case Triple::x86_64:
+    return make_unique<RuntimeDyldCOFFX86_64>(MM);
+  }
+}
+
+std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
+RuntimeDyldCOFF::loadObject(const object::ObjectFile &O) {
+  unsigned SectionStartIdx, SectionEndIdx;
+  std::tie(SectionStartIdx, SectionEndIdx) = loadObjectImpl(O);
+  return llvm::make_unique<LoadedCOFFObjectInfo>(*this, SectionStartIdx,
+                                                 SectionEndIdx);
+}
+
+uint64_t RuntimeDyldCOFF::getSymbolOffset(const SymbolRef &Sym) {
+  uint64_t Address;
+  if (Sym.getAddress(Address))
+    return UnknownAddressOrSize;
+
+  if (Address == UnknownAddressOrSize)
+    return UnknownAddressOrSize;
+
+  const ObjectFile *Obj = Sym.getObject();
+  section_iterator SecI(Obj->section_end());
+  if (Sym.getSection(SecI))
+    return UnknownAddressOrSize;
+
+  if (SecI == Obj->section_end())
+    return UnknownAddressOrSize;
+
+  uint64_t SectionAddress = SecI->getAddress();
+  return Address - SectionAddress;
+}
+
+bool RuntimeDyldCOFF::isCompatibleFile(const object::ObjectFile &Obj) const {
+  return Obj.isCOFF();
+}
+
+} // namespace llvm