llvm-dwarfdump.cpp

//===-- llvm-dwarfdump.cpp - Debug info dumping utility for llvm ----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This program is a utility that works like "dwarfdump".
//
//===----------------------------------------------------------------------===//

#include"llvm/ADT/STLExtras.h"
#include"llvm/ADT/StringSet.h"
#include"llvm/ADT/Triple.h"
#include"llvm/DebugInfo/DIContext.h"
#include"llvm/DebugInfo/DWARF/DWARFContext.h"
#include"llvm/Object/Archive.h"
#include"llvm/Object/MachOUniversal.h"
#include"llvm/Object/ObjectFile.h"
#include"llvm/Support/CommandLine.h"
#include"llvm/Support/Debug.h"
#include"llvm/Support/Format.h"
#include"llvm/Support/InitLLVM.h"
#include"llvm/Support/MemoryBuffer.h"
#include"llvm/Support/Path.h"
#include"llvm/Support/Regex.h"
#include"llvm/Support/TargetSelect.h"
#include"llvm/Support/ToolOutputFile.h"
#include"llvm/Support/WithColor.h"
#include"llvm/Support/raw_ostream.h"

usingnamespacellvm;
usingnamespaceobject;

/// Parser for options that take an optional offest argument.
/// @{
structOffsetOption {
uint64_t Val = 0;
bool HasValue = false;
bool IsRequested = false;
};

namespacellvm {
namespacecl {
template <>
classparser<OffsetOption> final : public basic_parser<OffsetOption> {
public:
parser(Option &O) : basic_parser(O) {}

/// Return true on error.
boolparse(Option &O, StringRef ArgName, StringRef Arg, OffsetOption &Val) {
if (Arg == "") {
 Val.Val = 0;
 Val.HasValue = false;
 Val.IsRequested = true;
returnfalse;
 }
if (Arg.getAsInteger(0, Val.Val))
return O.error("'" + Arg + "' value invalid for integer argument!");
 Val.HasValue = true;
 Val.IsRequested = true;
returnfalse;
 }

enum ValueExpected getValueExpectedFlagDefault() const {
return ValueOptional;
 }

voidprintOptionInfo(const Option &O, size_t GlobalWidth) const {
outs() << " -" << O.ArgStr;
Option::printHelpStr(O.HelpStr, GlobalWidth, getOptionWidth(O));
 }

voidprintOptionDiff(const Option &O, OffsetOption V, OptVal Default,
size_t GlobalWidth) const {
printOptionName(O, GlobalWidth);
outs() << "[=offset]";
 }

// An out-of-line virtual method to provide a 'home' for this class.
voidanchor() override {};
};
} // cl
} // llvm

/// @}
/// Command line options.
/// @{

namespace {
usingnamespacecl;

OptionCategory DwarfDumpCategory("Specific Options");
static list<std::string>
InputFilenames(Positional, desc("<input object files or .dSYM bundles>"),
 ZeroOrMore, cat(DwarfDumpCategory));

cl::OptionCategory SectionCategory("Section-specific Dump Options",
"These control which sections are dumped. "
"Where applicable these parameters take an "
"optional =<offset> argument to dump only "
"the entry at the specified offset.");

static opt<bool> DumpAll("all", desc("Dump all debug info sections"),
 cat(SectionCategory));
static alias DumpAllAlias("a", desc("Alias for -all"), aliasopt(DumpAll));

// Options for dumping specific sections.
staticunsigned DumpType = DIDT_Null;
static std::array<llvm::Optional<uint64_t>, (unsigned)DIDT_ID_Count>
 DumpOffsets;
#defineHANDLE_DWARF_SECTION(ENUM_NAME, ELF_NAME, CMDLINE_NAME) \
static opt<OffsetOption> Dump##ENUM_NAME( \
 CMDLINE_NAME, desc("Dump the " ELF_NAME " section"), \
cat(SectionCategory));
#include"llvm/BinaryFormat/Dwarf.def"
#undef HANDLE_DWARF_SECTION

static alias DumpDebugFrameAlias("eh-frame", desc("Alias for -debug-frame"),
 NotHidden, cat(SectionCategory),
 aliasopt(DumpDebugFrame));
static list<std::string>
ArchFilters("arch",
desc("Dump debug information for the specified CPU "
"architecture only. Architectures may be specified by "
"name or by number. This option can be specified "
"multiple times, once for each desired architecture."),
 cat(DwarfDumpCategory));
static opt<bool>
Diff("diff",
desc("Emit diff-friendly output by omitting offsets and addresses."),
 cat(DwarfDumpCategory));
static list<std::string>
Find("find",
desc("Search for the exact match for <name> in the accelerator tables "
"and print the matching debug information entries. When no "
"accelerator tables are available, the slower but more complete "
"-name option can be used instead."),
 value_desc("name"), cat(DwarfDumpCategory));
static alias FindAlias("f", desc("Alias for -find."), aliasopt(Find));
static opt<bool> IgnoreCase("ignore-case",
desc("Ignore case distinctions when searching."),
 value_desc("i"), cat(DwarfDumpCategory));
static alias IgnoreCaseAlias("i", desc("Alias for -ignore-case."),
 aliasopt(IgnoreCase));
static list<std::string> Name(
"name",
desc("Find and print all debug info entries whose name (DW_AT_name "
"attribute) matches the exact text in <pattern>. When used with the "
"the -regex option <pattern> is interpreted as a regular expression."),
 value_desc("pattern"), cat(DwarfDumpCategory));
static alias NameAlias("n", desc("Alias for -name"), aliasopt(Name));
static opt<uint64_t>
Lookup("lookup",
desc("Lookup <address> in the debug information and print out any "
"available file, function, block and line table details."),
 value_desc("address"), cat(DwarfDumpCategory));
static opt<std::string>
OutputFilename("o", cl::init("-"),
 cl::desc("Redirect output to the specified file."),
 cl::value_desc("filename"), cat(DwarfDumpCategory));
static alias OutputFilenameAlias("out-file", desc("Alias for -o."),
 aliasopt(OutputFilename));
static opt<bool>
UseRegex("regex",
desc("Treat any <pattern> strings as regular expressions when "
"searching instead of just as an exact string match."),
 cat(DwarfDumpCategory));
static alias RegexAlias("x", desc("Alias for -regex"), aliasopt(UseRegex));
static opt<bool>
ShowChildren("show-children",
desc("Show a debug info entry's children when selectively "
"printing entries."),
 cat(DwarfDumpCategory));
static alias ShowChildrenAlias("c", desc("Alias for -show-children."),
 aliasopt(ShowChildren));
static opt<bool>
ShowParents("show-parents",
desc("Show a debug info entry's parents when selectively "
"printing entries."),
 cat(DwarfDumpCategory));
static alias ShowParentsAlias("p", desc("Alias for -show-parents."),
 aliasopt(ShowParents));
static opt<bool>
ShowForm("show-form",
desc("Show DWARF form types after the DWARF attribute types."),
 cat(DwarfDumpCategory));
static alias ShowFormAlias("F", desc("Alias for -show-form."),
 aliasopt(ShowForm), cat(DwarfDumpCategory));
static opt<unsigned>
ChildRecurseDepth("recurse-depth",
desc("Only recurse to a depth of N when displaying "
"children of debug info entries."),
 cat(DwarfDumpCategory), init(-1U), value_desc("N"));
static alias ChildRecurseDepthAlias("r", desc("Alias for -recurse-depth."),
 aliasopt(ChildRecurseDepth));
static opt<unsigned>
ParentRecurseDepth("parent-recurse-depth",
desc("Only recurse to a depth of N when displaying "
"parents of debug info entries."),
 cat(DwarfDumpCategory), init(-1U), value_desc("N"));
static opt<bool>
SummarizeTypes("summarize-types",
desc("Abbreviate the description of type unit entries."),
 cat(DwarfDumpCategory));
static cl::opt<bool>
Statistics("statistics",
cl::desc("Emit JSON-formatted debug info quality metrics."),
 cat(DwarfDumpCategory));
static opt<bool> Verify("verify", desc("Verify the DWARF debug info."),
 cat(DwarfDumpCategory));
static opt<bool> Quiet("quiet", desc("Use with -verify to not emit to STDOUT."),
 cat(DwarfDumpCategory));
static opt<bool> DumpUUID("uuid", desc("Show the UUID for each architecture."),
 cat(DwarfDumpCategory));
static alias DumpUUIDAlias("u", desc("Alias for -uuid."), aliasopt(DumpUUID));
static opt<bool> Verbose("verbose",
desc("Print more low-level encoding details."),
 cat(DwarfDumpCategory));
static alias VerboseAlias("v", desc("Alias for -verbose."), aliasopt(Verbose),
 cat(DwarfDumpCategory));
static cl::extrahelp
HelpResponse("\nPass @FILE as argument to read options from FILE.\n");
} // namespace
/// @}
//===----------------------------------------------------------------------===//

staticvoiderror(StringRef Prefix, std::error_code EC) {
if (!EC)
return;
WithColor::error() << Prefix << ": " << EC.message() << "\n";
exit(1);
}

static DIDumpOptions getDumpOpts() {
 DIDumpOptions DumpOpts;
 DumpOpts.DumpType = DumpType;
 DumpOpts.ChildRecurseDepth = ChildRecurseDepth;
 DumpOpts.ParentRecurseDepth = ParentRecurseDepth;
 DumpOpts.ShowAddresses = !Diff;
 DumpOpts.ShowChildren = ShowChildren;
 DumpOpts.ShowParents = ShowParents;
 DumpOpts.ShowForm = ShowForm;
 DumpOpts.SummarizeTypes = SummarizeTypes;
 DumpOpts.Verbose = Verbose;
// In -verify mode, print DIEs without children in error messages.
if (Verify)
return DumpOpts.noImplicitRecursion();
return DumpOpts;
}

staticuint32_tgetCPUType(MachOObjectFile &MachO) {
if (MachO.is64Bit())
return MachO.getHeader64().cputype;
else
return MachO.getHeader().cputype;
}

/// Return true if the object file has not been filtered by an --arch option.
staticboolfilterArch(ObjectFile &Obj) {
if (ArchFilters.empty())
returntrue;

if (auto *MachO = dyn_cast<MachOObjectFile>(&Obj)) {
for (auto Arch : ArchFilters) {
// Match architecture number.
unsigned Value;
if (!StringRef(Arch).getAsInteger(0, Value))
if (Value == getCPUType(*MachO))
returntrue;

// Match as name.
if (MachO->getArchTriple().getArchName() == Triple(Arch).getArchName())
returntrue;
 }
 }
returnfalse;
}

using HandlerFn = std::function<bool(ObjectFile &, DWARFContext &DICtx, Twine,
 raw_ostream &)>;

/// Print only DIEs that have a certain name.
staticboolfilterByName(const StringSet<> &Names, DWARFDie Die,
 StringRef NameRef, raw_ostream &OS) {
 std::string Name =
 (IgnoreCase && !UseRegex) ? NameRef.lower() : NameRef.str();
if (UseRegex) {
// Match regular expression.
for (auto Pattern : Names.keys()) {
 Regex RE(Pattern, IgnoreCase ? Regex::IgnoreCase : Regex::NoFlags);
 std::string Error;
if (!RE.isValid(Error)) {
errs() << "error in regular expression: " << Error << "\n";
exit(1);
 }
if (RE.match(Name)) {
 Die.dump(OS, 0, getDumpOpts());
returntrue;
 }
 }
 } elseif (Names.count(Name)) {
// Match full text.
 Die.dump(OS, 0, getDumpOpts());
returntrue;
 }
returnfalse;
}

/// Print only DIEs that have a certain name.
staticvoidfilterByName(const StringSet<> &Names,
 DWARFContext::unit_iterator_range CUs,
 raw_ostream &OS) {
for (constauto &CU : CUs)
for (constauto &Entry : CU->dies()) {
 DWARFDie Die = {CU.get(), &Entry};
if (constchar *Name = Die.getName(DINameKind::ShortName))
if (filterByName(Names, Die, Name, OS))
continue;
if (constchar *Name = Die.getName(DINameKind::LinkageName))
filterByName(Names, Die, Name, OS);
 }
}

staticvoidgetDies(DWARFContext &DICtx, const AppleAcceleratorTable &Accel,
 StringRef Name, SmallVectorImpl<DWARFDie> &Dies) {
for (constauto &Entry : Accel.equal_range(Name)) {
if (llvm::Optional<uint64_t> Off = Entry.getDIESectionOffset()) {
if (DWARFDie Die = DICtx.getDIEForOffset(*Off))
 Dies.push_back(Die);
 }
 }
}

static DWARFDie toDie(const DWARFDebugNames::Entry &Entry,
 DWARFContext &DICtx) {
 llvm::Optional<uint64_t> CUOff = Entry.getCUOffset();
 llvm::Optional<uint64_t> Off = Entry.getDIEUnitOffset();
if (!CUOff || !Off)
returnDWARFDie();

 DWARFCompileUnit *CU = DICtx.getCompileUnitForOffset(*CUOff);
if (!CU)
returnDWARFDie();

if (llvm::Optional<uint64_t> DWOId = CU->getDWOId()) {
// This is a skeleton unit. Look up the DIE in the DWO unit.
 CU = DICtx.getDWOCompileUnitForHash(*DWOId);
if (!CU)
returnDWARFDie();
 }

return CU->getDIEForOffset(CU->getOffset() + *Off);
}

staticvoidgetDies(DWARFContext &DICtx, const DWARFDebugNames &Accel,
 StringRef Name, SmallVectorImpl<DWARFDie> &Dies) {
for (constauto &Entry : Accel.equal_range(Name)) {
if (DWARFDie Die = toDie(Entry, DICtx))
 Dies.push_back(Die);
 }
}

/// Print only DIEs that have a certain name.
staticvoidfilterByAccelName(ArrayRef<std::string> Names, DWARFContext &DICtx,
 raw_ostream &OS) {
 SmallVector<DWARFDie, 4> Dies;
for (constauto &Name : Names) {
getDies(DICtx, DICtx.getAppleNames(), Name, Dies);
getDies(DICtx, DICtx.getAppleTypes(), Name, Dies);
getDies(DICtx, DICtx.getAppleNamespaces(), Name, Dies);
getDies(DICtx, DICtx.getDebugNames(), Name, Dies);
 }
llvm::sort(Dies);
 Dies.erase(std::unique(Dies.begin(), Dies.end()), Dies.end());

for (DWARFDie Die : Dies)
 Die.dump(OS, 0, getDumpOpts());
}

/// Handle the --lookup option and dump the DIEs and line info for the given
/// address.
/// TODO: specified Address for --lookup option could relate for several
/// different sections(in case not-linked object file). llvm-dwarfdump
/// need to do something with this: extend lookup option with section
/// information or probably display all matched entries, or something else...
staticboollookup(ObjectFile &Obj, DWARFContext &DICtx, uint64_t Address,
 raw_ostream &OS) {
auto DIEsForAddr = DICtx.getDIEsForAddress(Lookup);

if (!DIEsForAddr)
returnfalse;

 DIDumpOptions DumpOpts = getDumpOpts();
 DumpOpts.ChildRecurseDepth = 0;
 DIEsForAddr.CompileUnit->dump(OS, DumpOpts);
if (DIEsForAddr.FunctionDIE) {
 DIEsForAddr.FunctionDIE.dump(OS, 2, DumpOpts);
if (DIEsForAddr.BlockDIE)
 DIEsForAddr.BlockDIE.dump(OS, 4, DumpOpts);
 }

// TODO: it is neccessary to set proper SectionIndex here.
// object::SectionedAddress::UndefSection works for only absolute addresses.
if (DILineInfo LineInfo = DICtx.getLineInfoForAddress(
 {Lookup, object::SectionedAddress::UndefSection}))
 LineInfo.dump(OS);

returntrue;
}

boolcollectStatsForObjectFile(ObjectFile &Obj, DWARFContext &DICtx,
 Twine Filename, raw_ostream &OS);

staticbooldumpObjectFile(ObjectFile &Obj, DWARFContext &DICtx, Twine Filename,
 raw_ostream &OS) {
logAllUnhandledErrors(DICtx.loadRegisterInfo(Obj), errs(),
 Filename.str() + ": ");
// The UUID dump already contains all the same information.
if (!(DumpType & DIDT_UUID) || DumpType == DIDT_All)
 OS << Filename << ":\tfile format " << Obj.getFileFormatName() << '\n';

// Handle the --lookup option.
if (Lookup)
returnlookup(Obj, DICtx, Lookup, OS);

// Handle the --name option.
if (!Name.empty()) {
 StringSet<> Names;
for (auto name : Name)
 Names.insert((IgnoreCase && !UseRegex) ? StringRef(name).lower() : name);

filterByName(Names, DICtx.normal_units(), OS);
filterByName(Names, DICtx.dwo_units(), OS);
returntrue;
 }

// Handle the --find option and lower it to --debug-info=<offset>.
if (!Find.empty()) {
filterByAccelName(Find, DICtx, OS);
returntrue;
 }

// Dump the complete DWARF structure.
 DICtx.dump(OS, getDumpOpts(), DumpOffsets);
returntrue;
}

staticboolverifyObjectFile(ObjectFile &Obj, DWARFContext &DICtx,
 Twine Filename, raw_ostream &OS) {
// Verify the DWARF and exit with non-zero exit status if verification
// fails.
 raw_ostream &stream = Quiet ? nulls() : OS;
 stream << "Verifying " << Filename.str() << ":\tfile format "
 << Obj.getFileFormatName() << "\n";
bool Result = DICtx.verify(stream, getDumpOpts());
if (Result)
 stream << "No errors.\n";
else
 stream << "Errors detected.\n";
return Result;
}

staticboolhandleBuffer(StringRef Filename, MemoryBufferRef Buffer,
 HandlerFn HandleObj, raw_ostream &OS);

staticboolhandleArchive(StringRef Filename, Archive &Arch,
 HandlerFn HandleObj, raw_ostream &OS) {
bool Result = true;
 Error Err = Error::success();
for (auto Child : Arch.children(Err)) {
auto BuffOrErr = Child.getMemoryBufferRef();
error(Filename, errorToErrorCode(BuffOrErr.takeError()));
auto NameOrErr = Child.getName();
error(Filename, errorToErrorCode(NameOrErr.takeError()));
 std::string Name = (Filename + "(" + NameOrErr.get() + ")").str();
 Result &= handleBuffer(Name, BuffOrErr.get(), HandleObj, OS);
 }
error(Filename, errorToErrorCode(std::move(Err)));

return Result;
}

staticboolhandleBuffer(StringRef Filename, MemoryBufferRef Buffer,
 HandlerFn HandleObj, raw_ostream &OS) {
 Expected<std::unique_ptr<Binary>> BinOrErr = object::createBinary(Buffer);
error(Filename, errorToErrorCode(BinOrErr.takeError()));

bool Result = true;
if (auto *Obj = dyn_cast<ObjectFile>(BinOrErr->get())) {
if (filterArch(*Obj)) {
 std::unique_ptr<DWARFContext> DICtx = DWARFContext::create(*Obj);
 Result = HandleObj(*Obj, *DICtx, Filename, OS);
 }
 }
elseif (auto *Fat = dyn_cast<MachOUniversalBinary>(BinOrErr->get()))
for (auto &ObjForArch : Fat->objects()) {
 std::string ObjName =
 (Filename + "(" + ObjForArch.getArchFlagName() + ")").str();
if (auto MachOOrErr = ObjForArch.getAsObjectFile()) {
auto &Obj = **MachOOrErr;
if (filterArch(Obj)) {
 std::unique_ptr<DWARFContext> DICtx = DWARFContext::create(Obj);
 Result &= HandleObj(Obj, *DICtx, ObjName, OS);
 }
continue;
 } else
consumeError(MachOOrErr.takeError());
if (auto ArchiveOrErr = ObjForArch.getAsArchive()) {
error(ObjName, errorToErrorCode(ArchiveOrErr.takeError()));
 Result &= handleArchive(ObjName, *ArchiveOrErr.get(), HandleObj, OS);
continue;
 } else
consumeError(ArchiveOrErr.takeError());
 }
elseif (auto *Arch = dyn_cast<Archive>(BinOrErr->get()))
 Result = handleArchive(Filename, *Arch, HandleObj, OS);
return Result;
}

staticboolhandleFile(StringRef Filename, HandlerFn HandleObj,
 raw_ostream &OS) {
 ErrorOr<std::unique_ptr<MemoryBuffer>> BuffOrErr =
MemoryBuffer::getFileOrSTDIN(Filename);
error(Filename, BuffOrErr.getError());
 std::unique_ptr<MemoryBuffer> Buffer = std::move(BuffOrErr.get());
returnhandleBuffer(Filename, *Buffer, HandleObj, OS);
}

/// If the input path is a .dSYM bundle (as created by the dsymutil tool),
/// replace it with individual entries for each of the object files inside the
/// bundle otherwise return the input path.
static std::vector<std::string> expandBundle(const std::string &InputPath) {
 std::vector<std::string> BundlePaths;
 SmallString<256> BundlePath(InputPath);
// Normalize input path. This is necessary to accept `bundle.dSYM/`.
sys::path::remove_dots(BundlePath);
// Manually open up the bundle to avoid introducing additional dependencies.
if (sys::fs::is_directory(BundlePath) &&
sys::path::extension(BundlePath) == ".dSYM") {
 std::error_code EC;
sys::path::append(BundlePath, "Contents", "Resources", "DWARF");
for (sys::fs::directory_iterator Dir(BundlePath, EC), DirEnd;
 Dir != DirEnd && !EC; Dir.increment(EC)) {
const std::string &Path = Dir->path();
 sys::fs::file_status Status;
 EC = sys::fs::status(Path, Status);
error(Path, EC);
switch (Status.type()) {
case sys::fs::file_type::regular_file:
case sys::fs::file_type::symlink_file:
case sys::fs::file_type::type_unknown:
 BundlePaths.push_back(Path);
break;
default: /*ignore*/;
 }
 }
error(BundlePath, EC);
 }
if (!BundlePaths.size())
 BundlePaths.push_back(InputPath);
return BundlePaths;
}

intmain(int argc, char **argv) {
 InitLLVM X(argc, argv);

llvm::InitializeAllTargetInfos();
llvm::InitializeAllTargetMCs();

HideUnrelatedOptions({&DwarfDumpCategory, &SectionCategory, &ColorCategory});
cl::ParseCommandLineOptions(
 argc, argv,
"pretty-print DWARF debug information in object files"
" and debug info archives.\n");

// FIXME: Audit interactions between these two options and make them
// compatible.
if (Diff && Verbose) {
WithColor::error() << "incompatible arguments: specifying both -diff and "
"-verbose is currently not supported";
return0;
 }

 std::error_code EC;
 ToolOutputFile OutputFile(OutputFilename, EC, sys::fs::OF_Text);
error("Unable to open output file" + OutputFilename, EC);
// Don't remove output file if we exit with an error.
 OutputFile.keep();

bool OffsetRequested = false;

// Defaults to dumping all sections, unless brief mode is specified in which
// case only the .debug_info section in dumped.
#defineHANDLE_DWARF_SECTION(ENUM_NAME, ELF_NAME, CMDLINE_NAME) \
if (Dump##ENUM_NAME.IsRequested) { \
 DumpType |= DIDT_##ENUM_NAME; \
if (Dump##ENUM_NAME.HasValue) { \
 DumpOffsets[DIDT_ID_##ENUM_NAME] = Dump##ENUM_NAME.Val; \
 OffsetRequested = true; \
 } \
 }
#include"llvm/BinaryFormat/Dwarf.def"
#undef HANDLE_DWARF_SECTION
if (DumpUUID)
 DumpType |= DIDT_UUID;
if (DumpAll)
 DumpType = DIDT_All;
if (DumpType == DIDT_Null) {
if (Verbose)
 DumpType = DIDT_All;
else
 DumpType = DIDT_DebugInfo;
 }

// Unless dumping a specific DIE, default to --show-children.
if (!ShowChildren && !Verify && !OffsetRequested && Name.empty() && Find.empty())
 ShowChildren = true;

// Defaults to a.out if no filenames specified.
if (InputFilenames.empty())
 InputFilenames.push_back("a.out");

// Expand any .dSYM bundles to the individual object files contained therein.
 std::vector<std::string> Objects;
for (constauto &F : InputFilenames) {
auto Objs = expandBundle(F);
 Objects.insert(Objects.end(), Objs.begin(), Objs.end());
 }

if (Verify) {
// If we encountered errors during verify, exit with a non-zero exit status.
if (!all_of(Objects, [&](std::string Object) {
returnhandleFile(Object, verifyObjectFile, OutputFile.os());
 }))
return1;
 } elseif (Statistics)
for (auto Object : Objects)
handleFile(Object, collectStatsForObjectFile, OutputFile.os());
else
for (auto Object : Objects)
handleFile(Object, dumpObjectFile, OutputFile.os());

return EXIT_SUCCESS;
}