diff lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp @ 95:afa8332a0e37

LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents
children 7d135dc70f03
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldCOFF.cpp	Tue Oct 13 17:48:58 2015 +0900
@@ -0,0 +1,69 @@
+//===-- 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 final
+    : public RuntimeDyld::LoadedObjectInfoHelper<LoadedCOFFObjectInfo> {
+public:
+  LoadedCOFFObjectInfo(RuntimeDyldImpl &RTDyld, 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,
+                              RuntimeDyld::SymbolResolver &Resolver) {
+  switch (Arch) {
+  default:
+    llvm_unreachable("Unsupported target for RuntimeDyldCOFF.");
+    break;
+  case Triple::x86_64:
+    return make_unique<RuntimeDyldCOFFX86_64>(MemMgr, Resolver);
+  }
+}
+
+std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
+RuntimeDyldCOFF::loadObject(const object::ObjectFile &O) {
+  return llvm::make_unique<LoadedCOFFObjectInfo>(*this, loadObjectImpl(O));
+}
+
+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