1 files changed, 85 insertions, 0 deletions
diff --git a/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFObject.h b/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFObject.h
new file mode 100644
index 000000000..88fe3f434
--- /dev/null
+++ b/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFObject.h
@@ -0,0 +1,85 @@
+//===- DWARFObject.h --------------------------------------------*- 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
+//
+//===-----------------------------------------------------------------------===/
+
+#ifndef LLVM_DEBUGINFO_DWARF_DWARFOBJECT_H
+#define LLVM_DEBUGINFO_DWARF_DWARFOBJECT_H
+
+#include "llvm/DebugInfo/DWARF/DWARFRelocMap.h"
+#include "llvm/DebugInfo/DWARF/DWARFSection.h"
+#include "llvm/Object/ObjectFile.h"
+
+namespace llvm {
+// This is responsible for low level access to the object file. It
+// knows how to find the required sections and compute relocated
+// values.
+// The default implementations of the get<Section> methods return dummy values.
+// This is to allow clients that only need some of those to implement just the
+// ones they need. We can't use unreachable for as many cases because the parser
+// implementation is eager and will call some of these methods even if the
+// result is not used.
+class DWARFObject {
+  DWARFSection Dummy;
+
+public:
+  virtual ~DWARFObject() = default;
+  virtual StringRef getFileName() const { llvm_unreachable("unimplemented"); }
+  virtual const object::ObjectFile *getFile() const { return nullptr; }
+  virtual ArrayRef<SectionName> getSectionNames() const { return {}; }
+  virtual bool isLittleEndian() const = 0;
+  virtual uint8_t getAddressSize() const { llvm_unreachable("unimplemented"); }
+  virtual void
+  forEachInfoSections(function_ref<void(const DWARFSection &)> F) const {}
+  virtual void
+  forEachTypesSections(function_ref<void(const DWARFSection &)> F) const {}
+  virtual StringRef getAbbrevSection() const { return ""; }
+  virtual const DWARFSection &getLocSection() const { return Dummy; }
+  virtual const DWARFSection &getLoclistsSection() const { return Dummy; }
+  virtual StringRef getArangesSection() const { return ""; }
+  virtual const DWARFSection &getFrameSection() const { return Dummy; }
+  virtual const DWARFSection &getEHFrameSection() const { return Dummy; }
+  virtual const DWARFSection &getLineSection() const { return Dummy; }
+  virtual StringRef getLineStrSection() const { return ""; }
+  virtual StringRef getStrSection() const { return ""; }
+  virtual const DWARFSection &getRangesSection() const { return Dummy; }
+  virtual const DWARFSection &getRnglistsSection() const { return Dummy; }
+  virtual StringRef getMacinfoSection() const { return ""; }
+  virtual const DWARFSection &getPubnamesSection() const { return Dummy; }
+  virtual const DWARFSection &getPubtypesSection() const { return Dummy; }
+  virtual const DWARFSection &getGnuPubnamesSection() const { return Dummy; }
+  virtual const DWARFSection &getGnuPubtypesSection() const { return Dummy; }
+  virtual const DWARFSection &getStrOffsetsSection() const { return Dummy; }
+  virtual void
+  forEachInfoDWOSections(function_ref<void(const DWARFSection &)> F) const {}
+  virtual void
+  forEachTypesDWOSections(function_ref<void(const DWARFSection &)> F) const {}
+  virtual StringRef getAbbrevDWOSection() const { return ""; }
+  virtual const DWARFSection &getLineDWOSection() const { return Dummy; }
+  virtual const DWARFSection &getLocDWOSection() const { return Dummy; }
+  virtual StringRef getStrDWOSection() const { return ""; }
+  virtual const DWARFSection &getStrOffsetsDWOSection() const {
+    return Dummy;
+  }
+  virtual const DWARFSection &getRangesDWOSection() const { return Dummy; }
+  virtual const DWARFSection &getRnglistsDWOSection() const { return Dummy; }
+  virtual const DWARFSection &getAddrSection() const { return Dummy; }
+  virtual const DWARFSection &getAppleNamesSection() const { return Dummy; }
+  virtual const DWARFSection &getAppleTypesSection() const { return Dummy; }
+  virtual const DWARFSection &getAppleNamespacesSection() const {
+    return Dummy;
+  }
+  virtual const DWARFSection &getNamesSection() const { return Dummy; }
+  virtual const DWARFSection &getAppleObjCSection() const { return Dummy; }
+  virtual StringRef getCUIndexSection() const { return ""; }
+  virtual StringRef getGdbIndexSection() const { return ""; }
+  virtual StringRef getTUIndexSection() const { return ""; }
+  virtual Optional<RelocAddrEntry> find(const DWARFSection &Sec,
+                                        uint64_t Pos) const = 0;
+};
+
+} // namespace llvm
+#endif