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 "obj2yaml.h"
11 #include "Error.h"
12 #include "llvm/Object/Archive.h"
13 #include "llvm/Object/COFF.h"
14 #include "llvm/Support/CommandLine.h"
15 #include "llvm/Support/InitLLVM.h"
16
17 using namespace llvm;
18 using namespace llvm::object;
19
dumpObject(const ObjectFile & Obj)20 static std::error_code dumpObject(const ObjectFile &Obj) {
21 if (Obj.isCOFF())
22 return coff2yaml(outs(), cast<COFFObjectFile>(Obj));
23 if (Obj.isELF())
24 return elf2yaml(outs(), Obj);
25 if (Obj.isWasm())
26 return wasm2yaml(outs(), cast<WasmObjectFile>(Obj));
27
28 return obj2yaml_error::unsupported_obj_file_format;
29 }
30
dumpInput(StringRef File)31 static Error dumpInput(StringRef File) {
32 Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(File);
33 if (!BinaryOrErr)
34 return 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 errorCodeToError(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 errorCodeToError(dumpObject(*Obj));
44
45 return Error::success();
46 }
47
reportError(StringRef Input,Error Err)48 static void reportError(StringRef Input, Error Err) {
49 if (Input == "-")
50 Input = "<stdin>";
51 std::string ErrMsg;
52 raw_string_ostream OS(ErrMsg);
53 logAllUnhandledErrors(std::move(Err), OS, "");
54 OS.flush();
55 errs() << "Error reading file: " << Input << ": " << ErrMsg;
56 errs().flush();
57 }
58
59 cl::opt<std::string> InputFilename(cl::Positional, cl::desc("<input file>"),
60 cl::init("-"));
61
main(int argc,char * argv[])62 int main(int argc, char *argv[]) {
63 InitLLVM X(argc, argv);
64 cl::ParseCommandLineOptions(argc, argv);
65
66 if (Error Err = dumpInput(InputFilename)) {
67 reportError(InputFilename, std::move(Err));
68 return 1;
69 }
70
71 return 0;
72 }
73