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
dumpObject(const ObjectFile & Obj)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
dumpInput(StringRef File)31 static std::error_code dumpInput(StringRef File) {
32 Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(File);
33 if (!BinaryOrErr)
34 return errorToErrorCode(BinaryOrErr.takeError());
35
36 Binary &Binary = *BinaryOrErr.get().getBinary();
37 // Universal MachO is not a subclass of ObjectFile, so it needs to be handled
38 // here with the other binary types.
39 if (Binary.isMachO() || Binary.isMachOUniversalBinary())
40 return macho2yaml(outs(), Binary);
41 // TODO: If this is an archive, then burst it and dump each entry
42 if (ObjectFile *Obj = dyn_cast<ObjectFile>(&Binary))
43 return dumpObject(*Obj);
44
45 return obj2yaml_error::unrecognized_file_format;
46 }
47
48 cl::opt<std::string> InputFilename(cl::Positional, cl::desc("<input file>"),
49 cl::init("-"));
50
main(int argc,char * argv[])51 int main(int argc, char *argv[]) {
52 cl::ParseCommandLineOptions(argc, argv);
53 sys::PrintStackTraceOnErrorSignal(argv[0]);
54 PrettyStackTraceProgram X(argc, argv);
55 llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
56
57 if (std::error_code EC = dumpInput(InputFilename)) {
58 errs() << "Error: '" << EC.message() << "'\n";
59 return 1;
60 }
61
62 return 0;
63 }
64