Disassembled("d", cl::desc("Alias for --disassemble"),
cl::aliasopt(Disassemble));
+cl::opt<bool>
+llvm::DisassembleAll("disassemble-all",
+ cl::desc("Display assembler mnemonics for the machine instructions"));
+static cl::alias
+DisassembleAlld("D", cl::desc("Alias for --disassemble-all"),
+ cl::aliasopt(DisassembleAll));
+
cl::opt<bool>
llvm::Relocations("r", cl::desc("Display the relocation entries in the file"));
cl::opt<bool>
llvm::WeakBind("weak-bind", cl::desc("Display mach-o weak binding info"));
+cl::opt<bool>
+llvm::RawClangAST("raw-clang-ast",
+ cl::desc("Dump the raw binary contents of the clang AST section"));
+
static cl::opt<bool>
MachOOpt("macho", cl::desc("Use MachO specific object file parser"));
static cl::alias
SectionHeadersShorter("h", cl::desc("Alias for --section-headers"),
cl::aliasopt(SectionHeaders));
+cl::list<std::string>
+llvm::FilterSections("section", cl::desc("Operate on the specified sections only. "
+ "With -macho dump segment,section"));
+cl::alias
+static FilterSectionsj("j", cl::desc("Alias for --section"),
+ cl::aliasopt(llvm::FilterSections));
+
cl::list<std::string>
llvm::MAttrs("mattr",
cl::CommaSeparated,
cl::desc("Display contents of faultmap section"));
static StringRef ToolName;
-static int ReturnValue = EXIT_SUCCESS;
-bool llvm::error(std::error_code EC) {
+namespace {
+typedef std::function<bool(llvm::object::SectionRef const &)> FilterPredicate;
+
+class SectionFilterIterator {
+public:
+ SectionFilterIterator(FilterPredicate P,
+ llvm::object::section_iterator const &I,
+ llvm::object::section_iterator const &E)
+ : Predicate(P), Iterator(I), End(E) {
+ ScanPredicate();
+ }
+ llvm::object::SectionRef operator*() const { return *Iterator; }
+ SectionFilterIterator &operator++() {
+ ++Iterator;
+ ScanPredicate();
+ return *this;
+ }
+ bool operator!=(SectionFilterIterator const &Other) const {
+ return Iterator != Other.Iterator;
+ }
+
+private:
+ void ScanPredicate() {
+ while (Iterator != End && !Predicate(*Iterator)) {
+ ++Iterator;
+ }
+ }
+ FilterPredicate Predicate;
+ llvm::object::section_iterator Iterator;
+ llvm::object::section_iterator End;
+};
+
+class SectionFilter {
+public:
+ SectionFilter(FilterPredicate P, llvm::object::ObjectFile const &O)
+ : Predicate(P), Object(O) {}
+ SectionFilterIterator begin() {
+ return SectionFilterIterator(Predicate, Object.section_begin(),
+ Object.section_end());
+ }
+ SectionFilterIterator end() {
+ return SectionFilterIterator(Predicate, Object.section_end(),
+ Object.section_end());
+ }
+
+private:
+ FilterPredicate Predicate;
+ llvm::object::ObjectFile const &Object;
+};
+SectionFilter ToolSectionFilter(llvm::object::ObjectFile const &O) {
+ return SectionFilter([](llvm::object::SectionRef const &S) {
+ if(FilterSections.empty())
+ return true;
+ llvm::StringRef String;
+ std::error_code error = S.getName(String);
+ if (error)
+ return false;
+ return std::find(FilterSections.begin(),
+ FilterSections.end(),
+ String) != FilterSections.end();
+ },
+ O);
+}
+}
+
+void llvm::error(std::error_code EC) {
if (!EC)
- return false;
+ return;
outs() << ToolName << ": error reading file: " << EC.message() << ".\n";
outs().flush();
- ReturnValue = EXIT_FAILURE;
- return true;
+ exit(1);
}
static void report_error(StringRef File, std::error_code EC) {
assert(EC);
errs() << ToolName << ": '" << File << "': " << EC.message() << ".\n";
- ReturnValue = EXIT_FAILURE;
+ exit(1);
}
static const Target *getTarget(const ObjectFile *Obj = nullptr) {
}
bool llvm::RelocAddressLess(RelocationRef a, RelocationRef b) {
- uint64_t a_addr, b_addr;
- if (error(a.getOffset(a_addr))) return false;
- if (error(b.getOffset(b_addr))) return false;
- return a_addr < b_addr;
+ return a.getOffset() < b.getOffset();
}
namespace {
}
}
-template <class ELFT>
-static const typename ELFObjectFile<ELFT>::Elf_Rel *
-getRel(const ELFFile<ELFT> &EF, DataRefImpl Rel) {
- typedef typename ELFObjectFile<ELFT>::Elf_Rel Elf_Rel;
- return EF.template getEntry<Elf_Rel>(Rel.d.a, Rel.d.b);
-}
-
-template <class ELFT>
-static const typename ELFObjectFile<ELFT>::Elf_Rela *
-getRela(const ELFFile<ELFT> &EF, DataRefImpl Rela) {
- typedef typename ELFObjectFile<ELFT>::Elf_Rela Elf_Rela;
- return EF.template getEntry<Elf_Rela>(Rela.d.a, Rela.d.b);
-}
-
template <class ELFT>
static std::error_code getRelocationValueString(const ELFObjectFile<ELFT> *Obj,
- DataRefImpl Rel,
+ const RelocationRef &RelRef,
SmallVectorImpl<char> &Result) {
+ DataRefImpl Rel = RelRef.getRawDataRefImpl();
+
typedef typename ELFObjectFile<ELFT>::Elf_Sym Elf_Sym;
typedef typename ELFObjectFile<ELFT>::Elf_Shdr Elf_Shdr;
+ typedef typename ELFObjectFile<ELFT>::Elf_Rela Elf_Rela;
+
const ELFFile<ELFT> &EF = *Obj->getELFFile();
- const Elf_Shdr *sec = EF.getSection(Rel.d.a);
- uint8_t type;
+ ErrorOr<const Elf_Shdr *> SecOrErr = EF.getSection(Rel.d.a);
+ if (std::error_code EC = SecOrErr.getError())
+ return EC;
+ const Elf_Shdr *Sec = *SecOrErr;
+ ErrorOr<const Elf_Shdr *> SymTabOrErr = EF.getSection(Sec->sh_link);
+ if (std::error_code EC = SymTabOrErr.getError())
+ return EC;
+ const Elf_Shdr *SymTab = *SymTabOrErr;
+ assert(SymTab->sh_type == ELF::SHT_SYMTAB ||
+ SymTab->sh_type == ELF::SHT_DYNSYM);
+ ErrorOr<const Elf_Shdr *> StrTabSec = EF.getSection(SymTab->sh_link);
+ if (std::error_code EC = StrTabSec.getError())
+ return EC;
+ ErrorOr<StringRef> StrTabOrErr = EF.getStringTable(*StrTabSec);
+ if (std::error_code EC = StrTabOrErr.getError())
+ return EC;
+ StringRef StrTab = *StrTabOrErr;
+ uint8_t type = RelRef.getType();
StringRef res;
int64_t addend = 0;
- uint16_t symbol_index = 0;
- switch (sec->sh_type) {
+ switch (Sec->sh_type) {
default:
return object_error::parse_failed;
case ELF::SHT_REL: {
- type = getRel(EF, Rel)->getType(EF.isMips64EL());
- symbol_index = getRel(EF, Rel)->getSymbol(EF.isMips64EL());
// TODO: Read implicit addend from section data.
break;
}
case ELF::SHT_RELA: {
- type = getRela(EF, Rel)->getType(EF.isMips64EL());
- symbol_index = getRela(EF, Rel)->getSymbol(EF.isMips64EL());
- addend = getRela(EF, Rel)->r_addend;
+ const Elf_Rela *ERela = Obj->getRela(Rel);
+ addend = ERela->r_addend;
break;
}
}
- const Elf_Sym *symb =
- EF.template getEntry<Elf_Sym>(sec->sh_link, symbol_index);
+ symbol_iterator SI = RelRef.getSymbol();
+ const Elf_Sym *symb = Obj->getSymbol(SI->getRawDataRefImpl());
StringRef Target;
- const Elf_Shdr *SymSec = EF.getSection(symb);
if (symb->getType() == ELF::STT_SECTION) {
+ ErrorOr<section_iterator> SymSI = SI->getSection();
+ if (std::error_code EC = SymSI.getError())
+ return EC;
+ const Elf_Shdr *SymSec = Obj->getSection((*SymSI)->getRawDataRefImpl());
ErrorOr<StringRef> SecName = EF.getSectionName(SymSec);
if (std::error_code EC = SecName.getError())
return EC;
Target = *SecName;
} else {
- ErrorOr<StringRef> SymName =
- EF.getSymbolName(EF.getSection(sec->sh_link), symb);
+ ErrorOr<StringRef> SymName = symb->getName(StrTab);
if (!SymName)
return SymName.getError();
Target = *SymName;
}
static std::error_code getRelocationValueString(const ELFObjectFileBase *Obj,
- const RelocationRef &RelRef,
+ const RelocationRef &Rel,
SmallVectorImpl<char> &Result) {
- DataRefImpl Rel = RelRef.getRawDataRefImpl();
if (auto *ELF32LE = dyn_cast<ELF32LEObjectFile>(Obj))
return getRelocationValueString(ELF32LE, Rel, Result);
if (auto *ELF64LE = dyn_cast<ELF64LEObjectFile>(Obj))
const RelocationRef &Rel,
SmallVectorImpl<char> &Result) {
symbol_iterator SymI = Rel.getSymbol();
- StringRef SymName;
- if (std::error_code EC = SymI->getName(SymName))
+ ErrorOr<StringRef> SymNameOrErr = SymI->getName();
+ if (std::error_code EC = SymNameOrErr.getError())
return EC;
+ StringRef SymName = *SymNameOrErr;
Result.append(SymName.begin(), SymName.end());
return std::error_code();
}
for (const SymbolRef &Symbol : O->symbols()) {
std::error_code ec;
- uint64_t Addr;
- StringRef Name;
-
- if ((ec = Symbol.getAddress(Addr)))
+ ErrorOr<uint64_t> Addr = Symbol.getAddress();
+ if ((ec = Addr.getError()))
report_fatal_error(ec.message());
- if (Addr != Val)
+ if (*Addr != Val)
continue;
- if ((ec = Symbol.getName(Name)))
- report_fatal_error(ec.message());
- fmt << Name;
+ ErrorOr<StringRef> Name = Symbol.getName();
+ if (std::error_code EC = Name.getError())
+ report_fatal_error(EC.message());
+ fmt << *Name;
return;
}
// If we couldn't find a symbol that this relocation refers to, try
// to find a section beginning instead.
- for (const SectionRef &Section : O->sections()) {
+ for (const SectionRef &Section : ToolSectionFilter(*O)) {
std::error_code ec;
StringRef Name;
if (isExtern) {
symbol_iterator SI = O->symbol_begin();
advance(SI, Val);
- SI->getName(S);
+ ErrorOr<StringRef> SOrErr = SI->getName();
+ error(SOrErr.getError());
+ S = *SOrErr;
} else {
section_iterator SI = O->section_begin();
// Adjust for the fact that sections are 1-indexed.
static std::error_code getRelocationValueString(const RelocationRef &Rel,
SmallVectorImpl<char> &Result) {
- const ObjectFile *Obj = Rel.getObjectFile();
+ const ObjectFile *Obj = Rel.getObject();
if (auto *ELF = dyn_cast<ELFObjectFileBase>(Obj))
return getRelocationValueString(ELF, Rel, Result);
if (auto *COFF = dyn_cast<COFFObjectFile>(Obj))
return getRelocationValueString(MachO, Rel, Result);
}
+/// @brief Indicates whether this relocation should hidden when listing
+/// relocations, usually because it is the trailing part of a multipart
+/// relocation that will be printed as part of the leading relocation.
+static bool getHidden(RelocationRef RelRef) {
+ const ObjectFile *Obj = RelRef.getObject();
+ auto *MachO = dyn_cast<MachOObjectFile>(Obj);
+ if (!MachO)
+ return false;
+
+ unsigned Arch = MachO->getArch();
+ DataRefImpl Rel = RelRef.getRawDataRefImpl();
+ uint64_t Type = MachO->getRelocationType(Rel);
+
+ // On arches that use the generic relocations, GENERIC_RELOC_PAIR
+ // is always hidden.
+ if (Arch == Triple::x86 || Arch == Triple::arm || Arch == Triple::ppc) {
+ if (Type == MachO::GENERIC_RELOC_PAIR)
+ return true;
+ } else if (Arch == Triple::x86_64) {
+ // On x86_64, X86_64_RELOC_UNSIGNED is hidden only when it follows
+ // an X86_64_RELOC_SUBTRACTOR.
+ if (Type == MachO::X86_64_RELOC_UNSIGNED && Rel.d.a > 0) {
+ DataRefImpl RelPrev = Rel;
+ RelPrev.d.a--;
+ uint64_t PrevType = MachO->getRelocationType(RelPrev);
+ if (PrevType == MachO::X86_64_RELOC_SUBTRACTOR)
+ return true;
+ }
+ }
+
+ return false;
+}
+
static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
const Target *TheTarget = getTarget(Obj);
// getTarget() will have already issued a diagnostic if necessary, so
// in RelocSecs contain the relocations for section S.
std::error_code EC;
std::map<SectionRef, SmallVector<SectionRef, 1>> SectionRelocMap;
- for (const SectionRef &Section : Obj->sections()) {
+ for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
section_iterator Sec2 = Section.getRelocatedSection();
if (Sec2 != Obj->section_end())
SectionRelocMap[*Sec2].push_back(Section);
}
- for (const SectionRef &Section : Obj->sections()) {
- if (!Section.isText() || Section.isVirtual())
+ // Create a mapping from virtual address to symbol name. This is used to
+ // pretty print the target of a call.
+ std::vector<std::pair<uint64_t, StringRef>> AllSymbols;
+ if (MIA) {
+ for (const SymbolRef &Symbol : Obj->symbols()) {
+ if (Symbol.getType() != SymbolRef::ST_Function)
+ continue;
+
+ ErrorOr<uint64_t> AddressOrErr = Symbol.getAddress();
+ error(AddressOrErr.getError());
+ uint64_t Address = *AddressOrErr;
+
+ ErrorOr<StringRef> Name = Symbol.getName();
+ error(Name.getError());
+ if (Name->empty())
+ continue;
+ AllSymbols.push_back(std::make_pair(Address, *Name));
+ }
+
+ array_pod_sort(AllSymbols.begin(), AllSymbols.end());
+ }
+
+ for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
+ if (!DisassembleAll && (!Section.isText() || Section.isVirtual()))
continue;
uint64_t SectionAddr = Section.getAddress();
std::vector<std::pair<uint64_t, StringRef>> Symbols;
for (const SymbolRef &Symbol : Obj->symbols()) {
if (Section.containsSymbol(Symbol)) {
- uint64_t Address;
- if (error(Symbol.getAddress(Address)))
- break;
- if (Address == UnknownAddressOrSize)
- continue;
+ ErrorOr<uint64_t> AddressOrErr = Symbol.getAddress();
+ error(AddressOrErr.getError());
+ uint64_t Address = *AddressOrErr;
Address -= SectionAddr;
if (Address >= SectSize)
continue;
- StringRef Name;
- if (error(Symbol.getName(Name)))
- break;
- Symbols.push_back(std::make_pair(Address, Name));
+ ErrorOr<StringRef> Name = Symbol.getName();
+ error(Name.getError());
+ Symbols.push_back(std::make_pair(Address, *Name));
}
}
SegmentName = MachO->getSectionFinalSegmentName(DR);
}
StringRef name;
- if (error(Section.getName(name)))
- break;
+ error(Section.getName(name));
outs() << "Disassembly of section ";
if (!SegmentName.empty())
outs() << SegmentName << ",";
raw_svector_ostream CommentStream(Comments);
StringRef BytesStr;
- if (error(Section.getContents(BytesStr)))
- break;
+ error(Section.getContents(BytesStr));
ArrayRef<uint8_t> Bytes(reinterpret_cast<const uint8_t *>(BytesStr.data()),
BytesStr.size());
SectionAddr + Index, outs(), "", *STI);
outs() << CommentStream.str();
Comments.clear();
+ if (MIA && (MIA->isCall(Inst) || MIA->isUnconditionalBranch(Inst) ||
+ MIA->isConditionalBranch(Inst))) {
+ uint64_t Target;
+ if (MIA->evaluateBranch(Inst, SectionAddr + Index, Size, Target)) {
+ auto TargetSym = std::upper_bound(
+ AllSymbols.begin(), AllSymbols.end(), Target,
+ [](uint64_t LHS, const std::pair<uint64_t, StringRef> &RHS) {
+ return LHS < RHS.first;
+ });
+ if (TargetSym != AllSymbols.begin())
+ --TargetSym;
+ else
+ TargetSym = AllSymbols.end();
+
+ if (TargetSym != AllSymbols.end()) {
+ outs() << " <" << TargetSym->second;
+ uint64_t Disp = Target - TargetSym->first;
+ if (Disp)
+ outs() << '+' << utohexstr(Disp);
+ outs() << '>';
+ }
+ }
+ }
outs() << "\n";
} else {
errs() << ToolName << ": warning: invalid instruction encoding\n";
// Print relocation for instruction.
while (rel_cur != rel_end) {
- bool hidden = false;
- uint64_t addr;
+ bool hidden = getHidden(*rel_cur);
+ uint64_t addr = rel_cur->getOffset();
SmallString<16> name;
SmallString<32> val;
// If this relocation is hidden, skip it.
- if (error(rel_cur->getHidden(hidden))) goto skip_print_rel;
if (hidden) goto skip_print_rel;
- if (error(rel_cur->getOffset(addr))) goto skip_print_rel;
// Stop when rel_cur's address is past the current instruction.
if (addr >= Index + Size) break;
- if (error(rel_cur->getTypeName(name))) goto skip_print_rel;
- if (error(getRelocationValueString(*rel_cur, val)))
- goto skip_print_rel;
+ rel_cur->getTypeName(name);
+ error(getRelocationValueString(*rel_cur, val));
outs() << format(Fmt.data(), SectionAddr + addr) << name
<< "\t" << val << "\n";
if (!Obj->isRelocatableObject())
return;
- for (const SectionRef &Section : Obj->sections()) {
+ for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
if (Section.relocation_begin() == Section.relocation_end())
continue;
StringRef secname;
- if (error(Section.getName(secname)))
- continue;
+ error(Section.getName(secname));
outs() << "RELOCATION RECORDS FOR [" << secname << "]:\n";
for (const RelocationRef &Reloc : Section.relocations()) {
- bool hidden;
- uint64_t address;
+ bool hidden = getHidden(Reloc);
+ uint64_t address = Reloc.getOffset();
SmallString<32> relocname;
SmallString<32> valuestr;
- if (error(Reloc.getHidden(hidden)))
- continue;
if (hidden)
continue;
- if (error(Reloc.getTypeName(relocname)))
- continue;
- if (error(Reloc.getOffset(address)))
- continue;
- if (error(getRelocationValueString(Reloc, valuestr)))
- continue;
+ Reloc.getTypeName(relocname);
+ error(getRelocationValueString(Reloc, valuestr));
outs() << format(Fmt.data(), address) << " " << relocname << " "
<< valuestr << "\n";
}
outs() << "Sections:\n"
"Idx Name Size Address Type\n";
unsigned i = 0;
- for (const SectionRef &Section : Obj->sections()) {
+ for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
StringRef Name;
- if (error(Section.getName(Name)))
- return;
+ error(Section.getName(Name));
uint64_t Address = Section.getAddress();
uint64_t Size = Section.getSize();
bool Text = Section.isText();
void llvm::PrintSectionContents(const ObjectFile *Obj) {
std::error_code EC;
- for (const SectionRef &Section : Obj->sections()) {
+ for (const SectionRef &Section : ToolSectionFilter(*Obj)) {
StringRef Name;
StringRef Contents;
- if (error(Section.getName(Name)))
- continue;
+ error(Section.getName(Name));
uint64_t BaseAddr = Section.getAddress();
uint64_t Size = Section.getSize();
if (!Size)
continue;
}
- if (error(Section.getContents(Contents)))
- continue;
+ error(Section.getContents(Contents));
// Dump out the content as hex and printable ascii characters.
for (std::size_t addr = 0, end = Contents.size(); addr < end; addr += 16) {
for (unsigned SI = 0, SE = coff->getNumberOfSymbols(); SI != SE; ++SI) {
ErrorOr<COFFSymbolRef> Symbol = coff->getSymbol(SI);
StringRef Name;
- if (error(Symbol.getError()))
- return;
-
- if (error(coff->getSymbolName(*Symbol, Name)))
- return;
+ error(Symbol.getError());
+ error(coff->getSymbolName(*Symbol, Name));
outs() << "[" << format("%2d", SI) << "]"
<< "(sec " << format("%2d", int(Symbol->getSectionNumber())) << ")"
for (unsigned AI = 0, AE = Symbol->getNumberOfAuxSymbols(); AI < AE; ++AI, ++SI) {
if (Symbol->isSectionDefinition()) {
const coff_aux_section_definition *asd;
- if (error(coff->getAuxSymbol<coff_aux_section_definition>(SI + 1, asd)))
- return;
+ error(coff->getAuxSymbol<coff_aux_section_definition>(SI + 1, asd));
int32_t AuxNumber = asd->getNumber(Symbol->isBigObj());
, unsigned(asd->Selection));
} else if (Symbol->isFileRecord()) {
const char *FileName;
- if (error(coff->getAuxSymbol<char>(SI + 1, FileName)))
- return;
+ error(coff->getAuxSymbol<char>(SI + 1, FileName));
StringRef Name(FileName, Symbol->getNumberOfAuxSymbols() *
coff->getSymbolTableEntrySize());
return;
}
for (const SymbolRef &Symbol : o->symbols()) {
- uint64_t Address;
- SymbolRef::Type Type;
+ ErrorOr<uint64_t> AddressOrError = Symbol.getAddress();
+ error(AddressOrError.getError());
+ uint64_t Address = *AddressOrError;
+ SymbolRef::Type Type = Symbol.getType();
uint32_t Flags = Symbol.getFlags();
- section_iterator Section = o->section_end();
- if (error(Symbol.getAddress(Address)))
- continue;
- if (error(Symbol.getType(Type)))
- continue;
- uint64_t Size = Symbol.getSize();
- if (error(Symbol.getSection(Section)))
- continue;
+ ErrorOr<section_iterator> SectionOrErr = Symbol.getSection();
+ error(SectionOrErr.getError());
+ section_iterator Section = *SectionOrErr;
StringRef Name;
if (Type == SymbolRef::ST_Debug && Section != o->section_end()) {
Section->getName(Name);
- } else if (error(Symbol.getName(Name))) {
- continue;
+ } else {
+ ErrorOr<StringRef> NameOrErr = Symbol.getName();
+ error(NameOrErr.getError());
+ Name = *NameOrErr;
}
bool Global = Flags & SymbolRef::SF_Global;
bool Common = Flags & SymbolRef::SF_Common;
bool Hidden = Flags & SymbolRef::SF_Hidden;
- if (Common) {
- uint32_t Alignment = Symbol.getAlignment();
- Address = Size;
- Size = Alignment;
- }
- if (Address == UnknownAddressOrSize)
- Address = 0;
- if (Size == UnknownAddressOrSize)
- Size = 0;
char GlobLoc = ' ';
if (Type != SymbolRef::ST_Unknown)
GlobLoc = Global ? 'g' : 'l';
outs() << SegmentName << ",";
}
StringRef SectionName;
- if (error(Section->getName(SectionName)))
- SectionName = "";
+ error(Section->getName(SectionName));
outs() << SectionName;
}
- outs() << '\t'
- << format("%08" PRIx64 " ", Size);
+
+ outs() << '\t';
+ if (Common || isa<ELFObjectFileBase>(o)) {
+ uint64_t Val =
+ Common ? Symbol.getAlignment() : ELFSymbolRef(Symbol).getSize();
+ outs() << format("\t %08" PRIx64 " ", Val);
+ }
+
if (Hidden) {
outs() << ".hidden ";
}
}
}
+/// Dump the raw contents of the __clangast section so the output can be piped
+/// into llvm-bcanalyzer.
+void llvm::printRawClangAST(const ObjectFile *Obj) {
+ if (outs().is_displayed()) {
+ errs() << "The -raw-clang-ast option will dump the raw binary contents of "
+ "the clang ast section.\n"
+ "Please redirect the output to a file or another program such as "
+ "llvm-bcanalyzer.\n";
+ return;
+ }
+
+ StringRef ClangASTSectionName("__clangast");
+ if (isa<COFFObjectFile>(Obj)) {
+ ClangASTSectionName = "clangast";
+ }
+
+ Optional<object::SectionRef> ClangASTSection;
+ for (auto Sec : ToolSectionFilter(*Obj)) {
+ StringRef Name;
+ Sec.getName(Name);
+ if (Name == ClangASTSectionName) {
+ ClangASTSection = Sec;
+ break;
+ }
+ }
+ if (!ClangASTSection)
+ return;
+
+ StringRef ClangASTContents;
+ error(ClangASTSection.getValue().getContents(ClangASTContents));
+ outs().write(ClangASTContents.data(), ClangASTContents.size());
+}
+
static void printFaultMaps(const ObjectFile *Obj) {
const char *FaultMapSectionName = nullptr;
Optional<object::SectionRef> FaultMapSection;
- for (auto Sec : Obj->sections()) {
+ for (auto Sec : ToolSectionFilter(*Obj)) {
StringRef Name;
Sec.getName(Name);
if (Name == FaultMapSectionName) {
}
StringRef FaultMapContents;
- if (error(FaultMapSection.getValue().getContents(FaultMapContents))) {
- errs() << "Could not read the " << FaultMapContents << " section!\n";
- return;
- }
+ error(FaultMapSection.getValue().getContents(FaultMapContents));
FaultMapParser FMP(FaultMapContents.bytes_begin(),
FaultMapContents.bytes_end());
}
static void DumpObject(const ObjectFile *o) {
- outs() << '\n';
- outs() << o->getFileName()
- << ":\tfile format " << o->getFileFormatName() << "\n\n";
+ // Avoid other output when using a raw option.
+ if (!RawClangAST) {
+ outs() << '\n';
+ outs() << o->getFileName()
+ << ":\tfile format " << o->getFileFormatName() << "\n\n";
+ }
if (Disassemble)
DisassembleObject(o, Relocations);
printLazyBindTable(o);
if (WeakBind)
printWeakBindTable(o);
+ if (RawClangAST)
+ printRawClangAST(o);
if (PrintFaultMaps)
printFaultMaps(o);
}
/// @brief Dump each object file in \a a;
static void DumpArchive(const Archive *a) {
- for (Archive::child_iterator i = a->child_begin(), e = a->child_end(); i != e;
- ++i) {
- ErrorOr<std::unique_ptr<Binary>> ChildOrErr = i->getAsBinary();
- if (std::error_code EC = ChildOrErr.getError()) {
- // Ignore non-object files.
+ for (const Archive::Child &C : a->children()) {
+ ErrorOr<std::unique_ptr<Binary>> ChildOrErr = C.getAsBinary();
+ if (std::error_code EC = ChildOrErr.getError())
if (EC != object_error::invalid_file_type)
report_error(a->getFileName(), EC);
- continue;
- }
if (ObjectFile *o = dyn_cast<ObjectFile>(&*ChildOrErr.get()))
DumpObject(o);
else
/// @brief Open file and figure out how to dump it.
static void DumpInput(StringRef file) {
// If file isn't stdin, check that it exists.
- if (file != "-" && !sys::fs::exists(file)) {
+ if (file != "-" && !sys::fs::exists(file))
report_error(file, errc::no_such_file_or_directory);
- return;
- }
// If we are using the Mach-O specific object file parser, then let it parse
// the file and process the command line options. So the -arch flags can
// Attempt to open the binary.
ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(file);
- if (std::error_code EC = BinaryOrErr.getError()) {
+ if (std::error_code EC = BinaryOrErr.getError())
report_error(file, EC);
- return;
- }
Binary &Binary = *BinaryOrErr.get().getBinary();
if (Archive *a = dyn_cast<Archive>(&Binary))
if (InputFilenames.size() == 0)
InputFilenames.push_back("a.out");
+ if (DisassembleAll)
+ Disassemble = true;
if (!Disassemble
&& !Relocations
&& !SectionHeaders
&& !Bind
&& !LazyBind
&& !WeakBind
+ && !RawClangAST
&& !(UniversalHeaders && MachOOpt)
&& !(ArchiveHeaders && MachOOpt)
&& !(IndirectSymbols && MachOOpt)
&& !(DylibsUsed && MachOOpt)
&& !(DylibId && MachOOpt)
&& !(ObjcMetaData && MachOOpt)
- && !(DumpSections.size() != 0 && MachOOpt)
+ && !(FilterSections.size() != 0 && MachOOpt)
&& !PrintFaultMaps) {
cl::PrintHelpMessage();
return 2;
std::for_each(InputFilenames.begin(), InputFilenames.end(),
DumpInput);
- return ReturnValue;
+ return EXIT_SUCCESS;
}
projects / oota-llvm.git / blobdiff