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//===- llvm-cvtres.cpp - Serialize .res files into .obj ---------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Serialize .res files into .obj files. This is intended to be a
// platform-independent port of Microsoft's cvtres.exe.
//
//===----------------------------------------------------------------------===//
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/WindowsResource.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/Option.h"
#include "llvm/Support/BinaryStreamError.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/raw_ostream.h"
#include <system_error>
using namespace llvm;
using namespace object;
namespace {
enum ID {
OPT_INVALID = 0, // This is not an option ID.
#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
HELPTEXT, METAVAR, VALUES) \
OPT_##ID,
#include "Opts.inc"
#undef OPTION
};
#define PREFIX(NAME, VALUE) const char *const NAME[] = VALUE;
#include "Opts.inc"
#undef PREFIX
static const opt::OptTable::Info InfoTable[] = {
#define OPTION(PREFIX, NAME, ID, KIND, GROUP, ALIAS, ALIASARGS, FLAGS, PARAM, \
HELPTEXT, METAVAR, VALUES) \
{ \
PREFIX, NAME, HELPTEXT, \
METAVAR, OPT_##ID, opt::Option::KIND##Class, \
PARAM, FLAGS, OPT_##GROUP, \
OPT_##ALIAS, ALIASARGS, VALUES},
#include "Opts.inc"
#undef OPTION
};
class CvtResOptTable : public opt::OptTable {
public:
CvtResOptTable() : OptTable(InfoTable, true) {}
};
static ExitOnError ExitOnErr;
}
LLVM_ATTRIBUTE_NORETURN void reportError(Twine Msg) {
errs() << Msg;
exit(1);
}
static void reportError(StringRef Input, std::error_code EC) {
reportError(Twine(Input) + ": " + EC.message() + ".\n");
}
void error(std::error_code EC) {
if (!EC)
return;
reportError(EC.message() + ".\n");
}
void error(Error EC) {
if (!EC)
return;
handleAllErrors(std::move(EC),
[&](const ErrorInfoBase &EI) { reportError(EI.message()); });
}
template <typename T> T error(Expected<T> EC) {
if (!EC)
error(EC.takeError());
return std::move(EC.get());
}
int main(int argc_, const char *argv_[]) {
sys::PrintStackTraceOnErrorSignal(argv_[0]);
PrettyStackTraceProgram X(argc_, argv_);
ExitOnErr.setBanner("llvm-cvtres: ");
SmallVector<const char *, 256> argv;
SpecificBumpPtrAllocator<char> ArgAllocator;
ExitOnErr(errorCodeToError(sys::Process::GetArgumentVector(
argv, makeArrayRef(argv_, argc_), ArgAllocator)));
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
CvtResOptTable T;
unsigned MAI, MAC;
ArrayRef<const char *> ArgsArr = makeArrayRef(argv_ + 1, argc_);
opt::InputArgList InputArgs = T.ParseArgs(ArgsArr, MAI, MAC);
if (InputArgs.hasArg(OPT_HELP)) {
T.PrintHelp(outs(), "cvtres", "Resource Converter", false);
return 0;
}
bool Verbose = InputArgs.hasArg(OPT_VERBOSE);
COFF::MachineTypes MachineType;
if (InputArgs.hasArg(OPT_MACHINE)) {
std::string MachineString = InputArgs.getLastArgValue(OPT_MACHINE).upper();
MachineType = StringSwitch<COFF::MachineTypes>(MachineString)
.Case("ARM", COFF::IMAGE_FILE_MACHINE_ARMNT)
.Case("X64", COFF::IMAGE_FILE_MACHINE_AMD64)
.Case("X86", COFF::IMAGE_FILE_MACHINE_I386)
.Default(COFF::IMAGE_FILE_MACHINE_UNKNOWN);
if (MachineType == COFF::IMAGE_FILE_MACHINE_UNKNOWN)
reportError("Unsupported machine architecture");
} else {
if (Verbose)
outs() << "Machine architecture not specified; assumed X64.\n";
MachineType = COFF::IMAGE_FILE_MACHINE_AMD64;
}
std::vector<std::string> InputFiles = InputArgs.getAllArgValues(OPT_INPUT);
if (InputFiles.size() == 0) {
reportError("No input file specified.\n");
}
SmallString<128> OutputFile;
if (InputArgs.hasArg(OPT_OUT)) {
OutputFile = InputArgs.getLastArgValue(OPT_OUT);
} else {
OutputFile = sys::path::filename(StringRef(InputFiles[0]));
sys::path::replace_extension(OutputFile, ".obj");
}
if (Verbose) {
outs() << "Machine: ";
switch (MachineType) {
case COFF::IMAGE_FILE_MACHINE_ARMNT:
outs() << "ARM\n";
break;
case COFF::IMAGE_FILE_MACHINE_I386:
outs() << "X86\n";
break;
default:
outs() << "X64\n";
}
}
WindowsResourceParser Parser;
for (const auto &File : InputFiles) {
Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(File);
if (!BinaryOrErr)
reportError(File, errorToErrorCode(BinaryOrErr.takeError()));
Binary &Binary = *BinaryOrErr.get().getBinary();
WindowsResource *RF = dyn_cast<WindowsResource>(&Binary);
if (!RF)
reportError(File + ": unrecognized file format.\n");
if (Verbose) {
int EntryNumber = 0;
ResourceEntryRef Entry = error(RF->getHeadEntry());
bool End = false;
while (!End) {
error(Entry.moveNext(End));
EntryNumber++;
}
outs() << "Number of resources: " << EntryNumber << "\n";
}
error(Parser.parse(RF));
}
if (Verbose) {
Parser.printTree(outs());
}
std::unique_ptr<MemoryBuffer> OutputBuffer =
error(llvm::object::writeWindowsResourceCOFF(MachineType, Parser));
auto FileOrErr =
FileOutputBuffer::create(OutputFile, OutputBuffer->getBufferSize());
if (!FileOrErr)
reportError(OutputFile, errorToErrorCode(FileOrErr.takeError()));
std::unique_ptr<FileOutputBuffer> FileBuffer = std::move(*FileOrErr);
std::copy(OutputBuffer->getBufferStart(), OutputBuffer->getBufferEnd(),
FileBuffer->getBufferStart());
error(FileBuffer->commit());
if (Verbose) {
Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(OutputFile);
if (!BinaryOrErr)
reportError(OutputFile, errorToErrorCode(BinaryOrErr.takeError()));
Binary &Binary = *BinaryOrErr.get().getBinary();
ScopedPrinter W(errs());
W.printBinaryBlock("Output File Raw Data", Binary.getData());
}
return 0;
}
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