| //===-- llvm-dwarfdump.cpp - Debug info dumping utility for llvm ----------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This program is a utility that works like "dwarfdump". |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/STLExtras.h" |
| #include "llvm/ADT/Triple.h" |
| #include "llvm/DebugInfo/DIContext.h" |
| #include "llvm/DebugInfo/DWARF/DWARFContext.h" |
| #include "llvm/Object/ObjectFile.h" |
| #include "llvm/Object/RelocVisitor.h" |
| #include "llvm/Support/CommandLine.h" |
| #include "llvm/Support/Debug.h" |
| #include "llvm/Support/Format.h" |
| #include "llvm/Support/ManagedStatic.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include "llvm/Support/PrettyStackTrace.h" |
| #include "llvm/Support/Signals.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <algorithm> |
| #include <cstring> |
| #include <list> |
| #include <string> |
| #include <system_error> |
| |
| using namespace llvm; |
| using namespace object; |
| |
| static cl::list<std::string> |
| InputFilenames(cl::Positional, cl::desc("<input object files>"), |
| cl::ZeroOrMore); |
| |
| static cl::opt<DIDumpType> |
| DumpType("debug-dump", cl::init(DIDT_All), |
| cl::desc("Dump of debug sections:"), |
| cl::values( |
| clEnumValN(DIDT_All, "all", "Dump all debug sections"), |
| clEnumValN(DIDT_Abbrev, "abbrev", ".debug_abbrev"), |
| clEnumValN(DIDT_AbbrevDwo, "abbrev.dwo", ".debug_abbrev.dwo"), |
| clEnumValN(DIDT_AppleNames, "apple_names", ".apple_names"), |
| clEnumValN(DIDT_AppleTypes, "apple_types", ".apple_types"), |
| clEnumValN(DIDT_AppleNamespaces, "apple_namespaces", ".apple_namespaces"), |
| clEnumValN(DIDT_AppleObjC, "apple_objc", ".apple_objc"), |
| clEnumValN(DIDT_Aranges, "aranges", ".debug_aranges"), |
| clEnumValN(DIDT_Info, "info", ".debug_info"), |
| clEnumValN(DIDT_InfoDwo, "info.dwo", ".debug_info.dwo"), |
| clEnumValN(DIDT_Types, "types", ".debug_types"), |
| clEnumValN(DIDT_TypesDwo, "types.dwo", ".debug_types.dwo"), |
| clEnumValN(DIDT_Line, "line", ".debug_line"), |
| clEnumValN(DIDT_LineDwo, "line.dwo", ".debug_line.dwo"), |
| clEnumValN(DIDT_Loc, "loc", ".debug_loc"), |
| clEnumValN(DIDT_LocDwo, "loc.dwo", ".debug_loc.dwo"), |
| clEnumValN(DIDT_Frames, "frames", ".debug_frame"), |
| clEnumValN(DIDT_Ranges, "ranges", ".debug_ranges"), |
| clEnumValN(DIDT_Pubnames, "pubnames", ".debug_pubnames"), |
| clEnumValN(DIDT_Pubtypes, "pubtypes", ".debug_pubtypes"), |
| clEnumValN(DIDT_GnuPubnames, "gnu_pubnames", ".debug_gnu_pubnames"), |
| clEnumValN(DIDT_GnuPubtypes, "gnu_pubtypes", ".debug_gnu_pubtypes"), |
| clEnumValN(DIDT_Str, "str", ".debug_str"), |
| clEnumValN(DIDT_StrDwo, "str.dwo", ".debug_str.dwo"), |
| clEnumValN(DIDT_StrOffsetsDwo, "str_offsets.dwo", ".debug_str_offsets.dwo"), |
| clEnumValEnd)); |
| |
| static int ReturnValue = EXIT_SUCCESS; |
| |
| static bool error(StringRef Filename, std::error_code EC) { |
| if (!EC) |
| return false; |
| errs() << Filename << ": " << EC.message() << "\n"; |
| ReturnValue = EXIT_FAILURE; |
| return true; |
| } |
| |
| static void DumpInput(StringRef Filename) { |
| ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr = |
| MemoryBuffer::getFileOrSTDIN(Filename); |
| if (error(Filename, BuffOrErr.getError())) |
| return; |
| std::unique_ptr<MemoryBuffer> Buff = std::move(BuffOrErr.get()); |
| |
| ErrorOr<std::unique_ptr<ObjectFile>> ObjOrErr = |
| ObjectFile::createObjectFile(Buff->getMemBufferRef()); |
| if (error(Filename, ObjOrErr.getError())) |
| return; |
| ObjectFile &Obj = *ObjOrErr.get(); |
| |
| std::unique_ptr<DIContext> DICtx(new DWARFContextInMemory(Obj)); |
| |
| outs() << Filename |
| << ":\tfile format " << Obj.getFileFormatName() << "\n\n"; |
| // Dump the complete DWARF structure. |
| DICtx->dump(outs(), DumpType); |
| } |
| |
| int main(int argc, char **argv) { |
| // Print a stack trace if we signal out. |
| sys::PrintStackTraceOnErrorSignal(); |
| PrettyStackTraceProgram X(argc, argv); |
| llvm_shutdown_obj Y; // Call llvm_shutdown() on exit. |
| |
| cl::ParseCommandLineOptions(argc, argv, "llvm dwarf dumper\n"); |
| |
| // Defaults to a.out if no filenames specified. |
| if (InputFilenames.size() == 0) |
| InputFilenames.push_back("a.out"); |
| |
| std::for_each(InputFilenames.begin(), InputFilenames.end(), DumpInput); |
| |
| return ReturnValue; |
| } |