85 lines · cpp
1//===-- WindowsResourceDumper.cpp - Windows Resource printer --------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file implements the Windows resource (.res) dumper for llvm-readobj.10//11//===----------------------------------------------------------------------===//12 13#include "WindowsResourceDumper.h"14#include "llvm/Object/WindowsResource.h"15#include "llvm/Support/ConvertUTF.h"16#include "llvm/Support/ScopedPrinter.h"17 18namespace llvm {19namespace object {20namespace WindowsRes {21 22std::string stripUTF16(const ArrayRef<UTF16> &UTF16Str) {23 std::string Result;24 Result.reserve(UTF16Str.size());25 26 for (UTF16 Ch : UTF16Str) {27 // UTF16Str will have swapped byte order in case of big-endian machines.28 // Swap it back in such a case.29 uint16_t ChValue = support::endian::byte_swap(Ch, llvm::endianness::little);30 if (ChValue <= 0xFF)31 Result += ChValue;32 else33 Result += '?';34 }35 return Result;36}37 38Error Dumper::printData() {39 auto EntryPtrOrErr = WinRes->getHeadEntry();40 if (!EntryPtrOrErr)41 return EntryPtrOrErr.takeError();42 auto EntryPtr = *EntryPtrOrErr;43 44 bool IsEnd = false;45 while (!IsEnd) {46 printEntry(EntryPtr);47 48 if (auto Err = EntryPtr.moveNext(IsEnd))49 return Err;50 }51 return Error::success();52}53 54void Dumper::printEntry(const ResourceEntryRef &Ref) {55 if (Ref.checkTypeString()) {56 auto NarrowStr = stripUTF16(Ref.getTypeString());57 SW.printString("Resource type (string)", NarrowStr);58 } else {59 SmallString<20> IDStr;60 raw_svector_ostream OS(IDStr);61 printResourceTypeName(Ref.getTypeID(), OS);62 SW.printString("Resource type (int)", IDStr);63 }64 65 if (Ref.checkNameString()) {66 auto NarrowStr = stripUTF16(Ref.getNameString());67 SW.printString("Resource name (string)", NarrowStr);68 } else69 SW.printNumber("Resource name (int)", Ref.getNameID());70 71 SW.printNumber("Data version", Ref.getDataVersion());72 SW.printHex("Memory flags", Ref.getMemoryFlags());73 SW.printNumber("Language ID", Ref.getLanguage());74 SW.printNumber("Version (major)", Ref.getMajorVersion());75 SW.printNumber("Version (minor)", Ref.getMinorVersion());76 SW.printNumber("Characteristics", Ref.getCharacteristics());77 SW.printNumber("Data size", (uint64_t)Ref.getData().size());78 SW.printBinary("Data:", Ref.getData());79 SW.startLine() << "\n";80}81 82} // namespace WindowsRes83} // namespace object84} // namespace llvm85