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c9778ed077
This patch adds round-trip support for MachO Universal binaries to obj2yaml and yaml2obj. Universal binaries have a header and list of architecture structures, followed by a the individual object files at specified offsets. llvm-svn: 273719
64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
//===------ utils/obj2yaml.cpp - obj2yaml conversion tool -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "Error.h"
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#include "obj2yaml.h"
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#include "llvm/Object/Archive.h"
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#include "llvm/Object/COFF.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/ManagedStatic.h"
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#include "llvm/Support/PrettyStackTrace.h"
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#include "llvm/Support/Signals.h"
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using namespace llvm;
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using namespace llvm::object;
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static std::error_code dumpObject(const ObjectFile &Obj) {
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if (Obj.isCOFF())
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return coff2yaml(outs(), cast<COFFObjectFile>(Obj));
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if (Obj.isELF())
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return elf2yaml(outs(), Obj);
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return obj2yaml_error::unsupported_obj_file_format;
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}
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static std::error_code dumpInput(StringRef File) {
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Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(File);
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if (!BinaryOrErr)
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return errorToErrorCode(BinaryOrErr.takeError());
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Binary &Binary = *BinaryOrErr.get().getBinary();
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// Universal MachO is not a subclass of ObjectFile, so it needs to be handled
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// here with the other binary types.
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if (Binary.isMachO() || Binary.isMachOUniversalBinary())
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return macho2yaml(outs(), Binary);
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// TODO: If this is an archive, then burst it and dump each entry
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if (ObjectFile *Obj = dyn_cast<ObjectFile>(&Binary))
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return dumpObject(*Obj);
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return obj2yaml_error::unrecognized_file_format;
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}
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cl::opt<std::string> InputFilename(cl::Positional, cl::desc("<input file>"),
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cl::init("-"));
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int main(int argc, char *argv[]) {
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cl::ParseCommandLineOptions(argc, argv);
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sys::PrintStackTraceOnErrorSignal(argv[0]);
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PrettyStackTraceProgram X(argc, argv);
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llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
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if (std::error_code EC = dumpInput(InputFilename)) {
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errs() << "Error: '" << EC.message() << "'\n";
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return 1;
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}
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return 0;
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}
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