1 files changed, 82 insertions, 0 deletions
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
new file mode 100644
index 000000000000..27a7690db34f
--- /dev/null
+++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp
@@ -0,0 +1,82 @@
+//===-- RuntimeDyldCOFF.cpp - Run-time dynamic linker for MC-JIT -*- C++ -*-==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Implementation of COFF support for the MC-JIT runtime dynamic linker.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RuntimeDyldCOFF.h"
+#include "Targets/RuntimeDyldCOFFI386.h"
+#include "Targets/RuntimeDyldCOFFThumb.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 final
+    : public LoadedObjectInfoHelper<LoadedCOFFObjectInfo,
+                                    RuntimeDyld::LoadedObjectInfo> {
+public:
+  LoadedCOFFObjectInfo(
+      RuntimeDyldImpl &RTDyld,
+      RuntimeDyld::LoadedObjectInfo::ObjSectionToIDMap ObjSecToIDMap)
+      : LoadedObjectInfoHelper(RTDyld, std::move(ObjSecToIDMap)) {}
+
+  OwningBinary<ObjectFile>
+  getObjectForDebug(const ObjectFile &Obj) const override {
+    return OwningBinary<ObjectFile>();
+  }
+};
+}
+
+namespace llvm {
+
+std::unique_ptr<RuntimeDyldCOFF>
+llvm::RuntimeDyldCOFF::create(Triple::ArchType Arch,
+                              RuntimeDyld::MemoryManager &MemMgr,
+                              JITSymbolResolver &Resolver) {
+  switch (Arch) {
+  default: llvm_unreachable("Unsupported target for RuntimeDyldCOFF.");
+  case Triple::x86:
+    return std::make_unique<RuntimeDyldCOFFI386>(MemMgr, Resolver);
+  case Triple::thumb:
+    return std::make_unique<RuntimeDyldCOFFThumb>(MemMgr, Resolver);
+  case Triple::x86_64:
+    return std::make_unique<RuntimeDyldCOFFX86_64>(MemMgr, Resolver);
+  }
+}
+
+std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
+RuntimeDyldCOFF::loadObject(const object::ObjectFile &O) {
+  if (auto ObjSectionToIDOrErr = loadObjectImpl(O)) {
+    return std::make_unique<LoadedCOFFObjectInfo>(*this, *ObjSectionToIDOrErr);
+  } else {
+    HasError = true;
+    raw_string_ostream ErrStream(ErrorStr);
+    logAllUnhandledErrors(ObjSectionToIDOrErr.takeError(), ErrStream);
+    return nullptr;
+  }
+}
+
+uint64_t RuntimeDyldCOFF::getSymbolOffset(const SymbolRef &Sym) {
+  // The value in a relocatable COFF object is the offset.
+  return Sym.getValue();
+}
+
+bool RuntimeDyldCOFF::isCompatibleFile(const object::ObjectFile &Obj) const {
+  return Obj.isCOFF();
+}
+
+} // namespace llvm