tools/obj2yaml/obj2yaml.cpp

   1 //===------ utils/obj2yaml.cpp - obj2yaml conversion tool -------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "Error.h"
  11 #include "obj2yaml.h"
  12 #include "llvm/Object/Archive.h"
  13 #include "llvm/Object/COFF.h"
  14 #include "llvm/Support/CommandLine.h"
  15 #include "llvm/Support/ManagedStatic.h"
  16 #include "llvm/Support/PrettyStackTrace.h"
  17 #include "llvm/Support/Signals.h"
  18
  19 using namespace llvm;
  20 using namespace llvm::object;
  21
  22 static std::error_code dumpObject(const ObjectFile &Obj) {
  23   if (Obj.isCOFF())
  24     return coff2yaml(outs(), cast<COFFObjectFile>(Obj));
  25   if (Obj.isELF())
  26     return elf2yaml(outs(), Obj);
  27
  28   return obj2yaml_error::unsupported_obj_file_format;
  29 }
  30
  31 static std::error_code dumpInput(StringRef File) {
  32   ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(File);
  33   if (std::error_code EC = BinaryOrErr.getError())
  34     return EC;
  35
  36   Binary &Binary = *BinaryOrErr.get().getBinary();
  37   // TODO: If this is an archive, then burst it and dump each entry
  38   if (ObjectFile *Obj = dyn_cast<ObjectFile>(&Binary))
  39     return dumpObject(*Obj);
  40
  41   return obj2yaml_error::unrecognized_file_format;
  42 }
  43
  44 cl::opt<std::string> InputFilename(cl::Positional, cl::desc("<input file>"),
  45                                    cl::init("-"));
  46
  47 int main(int argc, char *argv[]) {
  48   cl::ParseCommandLineOptions(argc, argv);
  49   sys::PrintStackTraceOnErrorSignal();
  50   PrettyStackTraceProgram X(argc, argv);
  51   llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
  52
  53   if (std::error_code EC = dumpInput(InputFilename)) {
  54     errs() << "Error: '" << EC.message() << "'\n";
  55     return 1;
  56   }
  57
  58   return 0;
  59 }