1 files changed, 112 insertions, 0 deletions
diff --git a/third_party/llvm-project/ObjectFile.cpp b/third_party/llvm-project/ObjectFile.cpp
new file mode 100644
index 000000000..3ee649fd3
--- /dev/null
+++ b/third_party/llvm-project/ObjectFile.cpp
@@ -0,0 +1,112 @@
+//===- ObjectFile.cpp - File format independent object file ---------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines a file format independent ObjectFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/Magic.h"
+#include "llvm/Object/Binary.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/Error.h"
+#include "llvm/Object/MachO.h"
+#include "llvm/Object/Wasm.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+#include <cstdint>
+#include <memory>
+#include <system_error>
+
+using namespace llvm;
+using namespace object;
+
+void ObjectFile::anchor() {}
+
+ObjectFile::ObjectFile(unsigned int Type, MemoryBufferRef Source)
+    : SymbolicFile(Type, Source) {}
+
+bool SectionRef::containsSymbol(SymbolRef S) const {
+  llvm_unreachable("containsSymbol"); // XXX BINARYEN
+}
+
+uint64_t ObjectFile::getSymbolValue(DataRefImpl Ref) const {
+  uint32_t Flags = getSymbolFlags(Ref);
+  if (Flags & SymbolRef::SF_Undefined)
+    return 0;
+  if (Flags & SymbolRef::SF_Common)
+    return getCommonSymbolSize(Ref);
+  return getSymbolValueImpl(Ref);
+}
+
+Error ObjectFile::printSymbolName(raw_ostream &OS, DataRefImpl Symb) const {
+  Expected<StringRef> Name = getSymbolName(Symb);
+  if (!Name)
+    return Name.takeError();
+  OS << *Name;
+  return Error::success();
+}
+
+uint32_t ObjectFile::getSymbolAlignment(DataRefImpl DRI) const { return 0; }
+
+bool ObjectFile::isSectionBitcode(DataRefImpl Sec) const {
+  Expected<StringRef> NameOrErr = getSectionName(Sec);
+  if (NameOrErr)
+    return *NameOrErr == ".llvmbc";
+  consumeError(NameOrErr.takeError());
+  return false;
+}
+
+bool ObjectFile::isSectionStripped(DataRefImpl Sec) const { return false; }
+
+bool ObjectFile::isBerkeleyText(DataRefImpl Sec) const {
+  return isSectionText(Sec);
+}
+
+bool ObjectFile::isBerkeleyData(DataRefImpl Sec) const {
+  return isSectionData(Sec);
+}
+
+Expected<section_iterator>
+ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
+  return section_iterator(SectionRef(Sec, this));
+}
+
+Triple ObjectFile::makeTriple() const {
+  llvm_unreachable("makeTriple"); // XXX BINARYEN
+}
+
+Expected<std::unique_ptr<ObjectFile>>
+ObjectFile::createObjectFile(MemoryBufferRef Object, file_magic Type) {
+  llvm_unreachable("createObjectFile"); // XXX BINARYEN
+}
+
+#if 0 // XXX BINARYEN
+Expected<OwningBinary<ObjectFile>>
+ObjectFile::createObjectFile(StringRef ObjectPath) {
+  ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr =
+      MemoryBuffer::getFile(ObjectPath);
+  if (std::error_code EC = FileOrErr.getError())
+    return errorCodeToError(EC);
+  std::unique_ptr<MemoryBuffer> Buffer = std::move(FileOrErr.get());
+
+  Expected<std::unique_ptr<ObjectFile>> ObjOrErr =
+      createObjectFile(Buffer->getMemBufferRef());
+  if (Error Err = ObjOrErr.takeError())
+    return std::move(Err);
+  std::unique_ptr<ObjectFile> Obj = std::move(ObjOrErr.get());
+
+  return OwningBinary<ObjectFile>(std::move(Obj), std::move(Buffer));
+}
+#endif