llvm-project/llvm/tools/obj2yaml/obj2yaml.cpp

63 lines
1.9 KiB
C++

//===------ utils/obj2yaml.cpp - obj2yaml conversion tool -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Error.h"
#include "obj2yaml.h"
#include "llvm/Object/Archive.h"
#include "llvm/Object/COFF.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/Signals.h"
using namespace llvm;
using namespace llvm::object;
static std::error_code dumpObject(const ObjectFile &Obj) {
if (Obj.isCOFF())
return coff2yaml(outs(), cast<COFFObjectFile>(Obj));
if (Obj.isELF())
return elf2yaml(outs(), Obj);
return obj2yaml_error::unsupported_obj_file_format;
}
static std::error_code dumpInput(StringRef File) {
if (File != "-" && !sys::fs::exists(File))
return obj2yaml_error::file_not_found;
ErrorOr<std::unique_ptr<Binary>> BinaryOrErr = createBinary(File);
if (std::error_code EC = BinaryOrErr.getError())
return EC;
Binary &Binary = *BinaryOrErr.get();
// TODO: If this is an archive, then burst it and dump each entry
if (ObjectFile *Obj = dyn_cast<ObjectFile>(&Binary))
return dumpObject(*Obj);
return obj2yaml_error::unrecognized_file_format;
}
cl::opt<std::string> InputFilename(cl::Positional, cl::desc("<input file>"),
cl::init("-"));
int main(int argc, char *argv[]) {
cl::ParseCommandLineOptions(argc, argv);
sys::PrintStackTraceOnErrorSignal();
PrettyStackTraceProgram X(argc, argv);
llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
if (std::error_code EC = dumpInput(InputFilename)) {
errs() << "Error: '" << EC.message() << "'\n";
return 1;
}
return 0;
}