1 files changed, 85 insertions, 0 deletions
diff --git a/llvm/tools/llvm-readobj/WindowsResourceDumper.cpp b/llvm/tools/llvm-readobj/WindowsResourceDumper.cpp
new file mode 100644
index 000000000000..a2fb6aac3f93
--- /dev/null
+++ b/llvm/tools/llvm-readobj/WindowsResourceDumper.cpp
@@ -0,0 +1,85 @@
+//===-- WindowsResourceDumper.cpp - Windows Resource printer --------------===//
+//
+// 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 implements the Windows resource (.res) dumper for llvm-readobj.
+//
+//===----------------------------------------------------------------------===//
+
+#include "WindowsResourceDumper.h"
+#include "Error.h"
+#include "llvm/Object/WindowsResource.h"
+#include "llvm/Support/ConvertUTF.h"
+#include "llvm/Support/ScopedPrinter.h"
+
+namespace llvm {
+namespace object {
+namespace WindowsRes {
+
+std::string stripUTF16(const ArrayRef<UTF16> &UTF16Str) {
+  std::string Result;
+  Result.reserve(UTF16Str.size());
+
+  for (UTF16 Ch : UTF16Str) {
+    // UTF16Str will have swapped byte order in case of big-endian machines.
+    // Swap it back in such a case.
+    uint16_t ChValue = support::endian::byte_swap(Ch, support::little);
+    if (ChValue <= 0xFF)
+      Result += ChValue;
+    else
+      Result += '?';
+  }
+  return Result;
+}
+
+Error Dumper::printData() {
+  auto EntryPtrOrErr = WinRes->getHeadEntry();
+  if (!EntryPtrOrErr)
+    return EntryPtrOrErr.takeError();
+  auto EntryPtr = *EntryPtrOrErr;
+
+  bool IsEnd = false;
+  while (!IsEnd) {
+    printEntry(EntryPtr);
+
+    if (auto Err = EntryPtr.moveNext(IsEnd))
+      return Err;
+  }
+  return Error::success();
+}
+
+void Dumper::printEntry(const ResourceEntryRef &Ref) {
+  if (Ref.checkTypeString()) {
+    auto NarrowStr = stripUTF16(Ref.getTypeString());
+    SW.printString("Resource type (string)", NarrowStr);
+  } else {
+    SmallString<20> IDStr;
+    raw_svector_ostream OS(IDStr);
+    printResourceTypeName(Ref.getTypeID(), OS);
+    SW.printString("Resource type (int)", IDStr);
+  }
+
+  if (Ref.checkNameString()) {
+    auto NarrowStr = stripUTF16(Ref.getNameString());
+    SW.printString("Resource name (string)", NarrowStr);
+  } else
+    SW.printNumber("Resource name (int)", Ref.getNameID());
+
+  SW.printNumber("Data version", Ref.getDataVersion());
+  SW.printHex("Memory flags", Ref.getMemoryFlags());
+  SW.printNumber("Language ID", Ref.getLanguage());
+  SW.printNumber("Version (major)", Ref.getMajorVersion());
+  SW.printNumber("Version (minor)", Ref.getMinorVersion());
+  SW.printNumber("Characteristics", Ref.getCharacteristics());
+  SW.printNumber("Data size", (uint64_t)Ref.getData().size());
+  SW.printBinary("Data:", Ref.getData());
+  SW.startLine() << "\n";
+}
+
+} // namespace WindowsRes
+} // namespace object
+} // namespace llvm