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Simplify the handling of iterators in ObjectFile.

Browse Source 
None of the object file formats reported error on iterator increment. In
retrospect, that is not too surprising: no object format stores symbols or
sections in a linked list or other structure that requires chasing pointers.
As a consequence, all error checking can be done on begin() and end().

This reduces the text segment of bin/llvm-readobj in my machine from 521233 to
518526 bytes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@200442 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-01-30 02:49:50 +00:00
parent 6bf3966f7f
commit efdbec8b0a
25 changed files with 147 additions and 365 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
include/llvm/Object/COFF.h
View File

@ -271,8 +271,7 @@ private:
error_code initExportTablePtr();
protected:
error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const
LLVM_OVERRIDE;
void moveSymbolNext(DataRefImpl &Symb) const LLVM_OVERRIDE;
error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const
LLVM_OVERRIDE;
error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const
@ -288,8 +287,7 @@ protected:
LLVM_OVERRIDE;
error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const
LLVM_OVERRIDE;
error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const
LLVM_OVERRIDE;
void moveSectionNext(DataRefImpl &Sec) const LLVM_OVERRIDE;
error_code getSectionName(DataRefImpl Sec, StringRef &Res) const
LLVM_OVERRIDE;
error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const
@ -313,8 +311,7 @@ protected:
relocation_iterator section_rel_begin(DataRefImpl Sec) const LLVM_OVERRIDE;
relocation_iterator section_rel_end(DataRefImpl Sec) const LLVM_OVERRIDE;
error_code getRelocationNext(DataRefImpl Rel, RelocationRef &Res) const
LLVM_OVERRIDE;
void moveRelocationNext(DataRefImpl &Rel) const LLVM_OVERRIDE;
error_code getRelocationAddress(DataRefImpl Rel, uint64_t &Res) const
LLVM_OVERRIDE;
error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const
@ -397,7 +394,7 @@ public:
: ImportTable(Table), Index(I), OwningObject(Owner) {}
bool operator==(const ImportDirectoryEntryRef &Other) const;
error_code getNext(ImportDirectoryEntryRef &Result) const;
void moveNext();
error_code getName(StringRef &Result) const;
error_code
@ -421,7 +418,7 @@ public:
: ExportTable(Table), Index(I), OwningObject(Owner) {}
bool operator==(const ExportDirectoryEntryRef &Other) const;
error_code getNext(ExportDirectoryEntryRef &Result) const;
void moveNext();
error_code getDllName(StringRef &Result) const;
error_code getOrdinalBase(uint32_t &Result) const;

26
include/llvm/Object/ELFObjectFile.h
View File

@ -55,8 +55,7 @@ public:
protected:
ELFFile<ELFT> EF;
error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const
LLVM_OVERRIDE;
void moveSymbolNext(DataRefImpl &Symb) const LLVM_OVERRIDE;
error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const
LLVM_OVERRIDE;
error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const
@ -78,8 +77,7 @@ protected:
error_code getLibraryPath(DataRefImpl Data, StringRef &Res) const
LLVM_OVERRIDE;
error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const
LLVM_OVERRIDE;
void moveSectionNext(DataRefImpl &Sec) const LLVM_OVERRIDE;
error_code getSectionName(DataRefImpl Sec, StringRef &Res) const
LLVM_OVERRIDE;
error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const
@ -102,8 +100,7 @@ protected:
relocation_iterator section_rel_end(DataRefImpl Sec) const LLVM_OVERRIDE;
section_iterator getRelocatedSection(DataRefImpl Sec) const LLVM_OVERRIDE;
error_code getRelocationNext(DataRefImpl Rel, RelocationRef &Res) const
LLVM_OVERRIDE;
void moveRelocationNext(DataRefImpl &Rel) const LLVM_OVERRIDE;
error_code getRelocationAddress(DataRefImpl Rel, uint64_t &Res) const
LLVM_OVERRIDE;
error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const
@ -222,10 +219,8 @@ typedef ELFObjectFile<ELFType<support::big, 2, false> > ELF32BEObjectFile;
typedef ELFObjectFile<ELFType<support::big, 2, true> > ELF64BEObjectFile;
template <class ELFT>
error_code ELFObjectFile<ELFT>::getSymbolNext(DataRefImpl Symb,
SymbolRef &Result) const {
Result = SymbolRef(toDRI(++toELFSymIter(Symb)), this);
return object_error::success;
void ELFObjectFile<ELFT>::moveSymbolNext(DataRefImpl &Symb) const {
Symb = toDRI(++toELFSymIter(Symb));
}
template <class ELFT>
@ -439,10 +434,8 @@ error_code ELFObjectFile<ELFT>::getSymbolValue(DataRefImpl Symb,
}
template <class ELFT>
error_code ELFObjectFile<ELFT>::getSectionNext(DataRefImpl Sec,
SectionRef &Result) const {
Result = SectionRef(toDRI(++toELFShdrIter(Sec)), this);
return object_error::success;
void ELFObjectFile<ELFT>::moveSectionNext(DataRefImpl &Sec) const {
Sec = toDRI(++toELFShdrIter(Sec));
}
template <class ELFT>
@ -594,11 +587,8 @@ ELFObjectFile<ELFT>::getRelocatedSection(DataRefImpl Sec) const {
// Relocations
template <class ELFT>
error_code ELFObjectFile<ELFT>::getRelocationNext(DataRefImpl Rel,
RelocationRef &Result) const {
void ELFObjectFile<ELFT>::moveRelocationNext(DataRefImpl &Rel) const {
++Rel.d.b;
Result = RelocationRef(Rel, this);
return object_error::success;
}
template <class ELFT>

20
include/llvm/Object/MachO.h
View File

@ -38,7 +38,7 @@ public:
bool operator==(const DiceRef &Other) const;
bool operator<(const DiceRef &Other) const;
error_code getNext(DiceRef &Result) const;
void moveNext();
error_code getOffset(uint32_t &Result) const;
error_code getLength(uint16_t &Result) const;
@ -59,8 +59,7 @@ public:
MachOObjectFile(MemoryBuffer *Object, bool IsLittleEndian, bool Is64Bits,
error_code &EC, bool BufferOwned = true);
error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const
LLVM_OVERRIDE;
void moveSymbolNext(DataRefImpl &Symb) const LLVM_OVERRIDE;
error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const
LLVM_OVERRIDE;
error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const
@ -79,8 +78,7 @@ public:
error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const
LLVM_OVERRIDE;
error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const
LLVM_OVERRIDE;
void moveSectionNext(DataRefImpl &Sec) const LLVM_OVERRIDE;
error_code getSectionName(DataRefImpl Sec, StringRef &Res) const
LLVM_OVERRIDE;
error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const
@ -104,8 +102,7 @@ public:
relocation_iterator section_rel_begin(DataRefImpl Sec) const LLVM_OVERRIDE;
relocation_iterator section_rel_end(DataRefImpl Sec) const LLVM_OVERRIDE;
error_code getRelocationNext(DataRefImpl Rel, RelocationRef &Res) const
LLVM_OVERRIDE;
void moveRelocationNext(DataRefImpl &Rel) const LLVM_OVERRIDE;
error_code getRelocationAddress(DataRefImpl Rel, uint64_t &Res) const
LLVM_OVERRIDE;
error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const
@ -244,13 +241,10 @@ inline bool DiceRef::operator<(const DiceRef &Other) const {
return DicePimpl < Other.DicePimpl;
}
inline error_code DiceRef::getNext(DiceRef &Result) const {
DataRefImpl Rel = DicePimpl;
inline void DiceRef::moveNext() {
const MachO::data_in_code_entry *P =
reinterpret_cast<const MachO::data_in_code_entry *>(Rel.p);
Rel.p = reinterpret_cast<uintptr_t>(P + 1);
Result = DiceRef(Rel, OwningObject);
return object_error::success;
reinterpret_cast<const MachO::data_in_code_entry *>(DicePimpl.p);
DicePimpl.p = reinterpret_cast<uintptr_t>(P + 1);
}
// Since a Mach-O data in code reference, a DiceRef, can only be created when

33
include/llvm/Object/ObjectFile.h
View File

@ -63,12 +63,8 @@ public:
return !(*this == other);
}
content_iterator& increment(error_code &err) {
content_type next;
if (error_code ec = Current.getNext(next))
err = ec;
else
Current = next;
content_iterator &operator++() { // preincrement
Current.moveNext();
return *this;
}
};
@ -101,7 +97,7 @@ public:
bool operator==(const RelocationRef &Other) const;
error_code getNext(RelocationRef &Result) const;
void moveNext();
error_code getAddress(uint64_t &Result) const;
error_code getOffset(uint64_t &Result) const;
@ -146,7 +142,7 @@ public:
bool operator==(const SectionRef &Other) const;
bool operator<(const SectionRef &Other) const;
error_code getNext(SectionRef &Result) const;
void moveNext();
error_code getName(StringRef &Result) const;
error_code getAddress(uint64_t &Result) const;
@ -210,7 +206,7 @@ public:
bool operator==(const SymbolRef &Other) const;
bool operator<(const SymbolRef &Other) const;
error_code getNext(SymbolRef &Result) const;
void moveNext();
error_code getName(StringRef &Result) const;
/// Returns the symbol virtual address (i.e. address at which it will be
@ -285,7 +281,7 @@ protected:
// Implementations assume that the DataRefImpl is valid and has not been
// modified externally. It's UB otherwise.
friend class SymbolRef;
virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const = 0;
virtual void moveSymbolNext(DataRefImpl &Symb) const = 0;
virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const = 0;
virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const = 0;
virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res)const=0;
@ -301,7 +297,7 @@ protected:
// Same as above for SectionRef.
friend class SectionRef;
virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const = 0;
virtual void moveSectionNext(DataRefImpl &Sec) const = 0;
virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const = 0;
virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const =0;
virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const = 0;
@ -324,8 +320,7 @@ protected:
// Same as above for RelocationRef.
friend class RelocationRef;
virtual error_code getRelocationNext(DataRefImpl Rel,
RelocationRef &Res) const = 0;
virtual void moveRelocationNext(DataRefImpl &Rel) const = 0;
virtual error_code getRelocationAddress(DataRefImpl Rel,
uint64_t &Res) const =0;
virtual error_code getRelocationOffset(DataRefImpl Rel,
@ -412,8 +407,8 @@ inline bool SymbolRef::operator<(const SymbolRef &Other) const {
return SymbolPimpl < Other.SymbolPimpl;
}
inline error_code SymbolRef::getNext(SymbolRef &Result) const {
return OwningObject->getSymbolNext(SymbolPimpl, Result);
inline void SymbolRef::moveNext() {
return OwningObject->moveSymbolNext(SymbolPimpl);
}
inline error_code SymbolRef::getName(StringRef &Result) const {
@ -471,8 +466,8 @@ inline bool SectionRef::operator<(const SectionRef &Other) const {
return SectionPimpl < Other.SectionPimpl;
}
inline error_code SectionRef::getNext(SectionRef &Result) const {
return OwningObject->getSectionNext(SectionPimpl, Result);
inline void SectionRef::moveNext() {
return OwningObject->moveSectionNext(SectionPimpl);
}
inline error_code SectionRef::getName(StringRef &Result) const {
@ -554,8 +549,8 @@ inline bool RelocationRef::operator==(const RelocationRef &Other) const {
return RelocationPimpl == Other.RelocationPimpl;
}
inline error_code RelocationRef::getNext(RelocationRef &Result) const {
return OwningObject->getRelocationNext(RelocationPimpl, Result);
inline void RelocationRef::moveNext() {
return OwningObject->moveRelocationNext(RelocationPimpl);
}
inline error_code RelocationRef::getAddress(uint64_t &Result) const {

9
lib/DebugInfo/DWARFContext.cpp
View File

@ -603,10 +603,9 @@ static bool consumeCompressedDebugSectionHeader(StringRef &data,
DWARFContextInMemory::DWARFContextInMemory(object::ObjectFile *Obj) :
IsLittleEndian(Obj->isLittleEndian()),
AddressSize(Obj->getBytesInAddress()) {
error_code ec;
for (object::section_iterator i = Obj->begin_sections(),
e = Obj->end_sections();
i != e; i.increment(ec)) {
e = Obj->end_sections();
i != e; ++i) {
StringRef name;
i->getName(name);
StringRef data;
@ -697,8 +696,8 @@ DWARFContextInMemory::DWARFContextInMemory(object::ObjectFile *Obj) :
uint64_t SectionSize;
RelocatedSection->getSize(SectionSize);
for (object::relocation_iterator reloc_i = i->begin_relocations(),
reloc_e = i->end_relocations();
reloc_i != reloc_e; reloc_i.increment(ec)) {
reloc_e = i->end_relocations();
reloc_i != reloc_e; ++reloc_i) {
uint64_t Address;
reloc_i->getOffset(Address);
uint64_t Type;

24
lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
View File

@ -115,12 +115,10 @@ ObjectImage *RuntimeDyldImpl::loadObject(ObjectImage *InputObject) {
// Maximum required total memory to allocate all common symbols
uint64_t CommonSize = 0;
error_code err;
// Parse symbols
DEBUG(dbgs() << "Parse symbols:\n");
for (symbol_iterator i = obj->begin_symbols(), e = obj->end_symbols();
i != e; i.increment(err)) {
Check(err);
for (symbol_iterator i = obj->begin_symbols(), e = obj->end_symbols(); i != e;
++i) {
object::SymbolRef::Type SymType;
StringRef Name;
Check(i->getType(SymType));
@ -173,18 +171,16 @@ ObjectImage *RuntimeDyldImpl::loadObject(ObjectImage *InputObject) {
// Parse and process relocations
DEBUG(dbgs() << "Parse relocations:\n");
for (section_iterator si = obj->begin_sections(),
se = obj->end_sections(); si != se; si.increment(err)) {
Check(err);
for (section_iterator si = obj->begin_sections(), se = obj->end_sections();
si != se; ++si) {
bool isFirstRelocation = true;
unsigned SectionID = 0;
StubMap Stubs;
section_iterator RelocatedSection = si->getRelocatedSection();
for (relocation_iterator i = si->begin_relocations(),
e = si->end_relocations(); i != e; i.increment(err)) {
Check(err);
e = si->end_relocations();
i != e; ++i) {
// If it's the first relocation in this section, find its SectionID
if (isFirstRelocation) {
SectionID =
@ -251,21 +247,21 @@ unsigned RuntimeDyldImpl::emitSection(ObjectImage &Obj,
unsigned StubBufSize = 0,
StubSize = getMaxStubSize();
error_code err;
const ObjectFile *ObjFile = Obj.getObjectFile();
// FIXME: this is an inefficient way to handle this. We should computed the
// necessary section allocation size in loadObject by walking all the sections
// once.
if (StubSize > 0) {
for (section_iterator SI = ObjFile->begin_sections(),
SE = ObjFile->end_sections();
SI != SE; SI.increment(err), Check(err)) {
SE = ObjFile->end_sections();
SI != SE; ++SI) {
section_iterator RelSecI = SI->getRelocatedSection();
if (!(RelSecI == Section))
continue;
for (relocation_iterator I = SI->begin_relocations(),
E = SI->end_relocations(); I != E; I.increment(err), Check(err)) {
E = SI->end_relocations();
I != E; ++I) {
StubBufSize += StubSize;
}
}

13
lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.cpp
View File

@ -621,10 +621,8 @@ void RuntimeDyldELF::findOPDEntrySection(ObjectImage &Obj,
RelocationValueRef &Rel) {
// Get the ELF symbol value (st_value) to compare with Relocation offset in
// .opd entries
error_code err;
for (section_iterator si = Obj.begin_sections(),
se = Obj.end_sections(); si != se; si.increment(err)) {
for (section_iterator si = Obj.begin_sections(), se = Obj.end_sections();
si != se; ++si) {
section_iterator RelSecI = si->getRelocatedSection();
if (RelSecI == Obj.end_sections())
continue;
@ -636,14 +634,12 @@ void RuntimeDyldELF::findOPDEntrySection(ObjectImage &Obj,
for (relocation_iterator i = si->begin_relocations(),
e = si->end_relocations(); i != e;) {
check(err);
// The R_PPC64_ADDR64 relocation indicates the first field
// of a .opd entry
uint64_t TypeFunc;
check(i->getType(TypeFunc));
if (TypeFunc != ELF::R_PPC64_ADDR64) {
i.increment(err);
++i;
continue;
}
@ -653,10 +649,9 @@ void RuntimeDyldELF::findOPDEntrySection(ObjectImage &Obj,
int64_t Addend;
check(getELFRelocationAddend(*i, Addend));
i = i.increment(err);
++i;
if (i == e)
break;
check(err);
// Just check if following relocation is a R_PPC64_TOC
uint64_t TypeTOC;

24
lib/MC/MCObjectDisassembler.cpp
View File

@ -37,11 +37,8 @@ MCObjectDisassembler::MCObjectDisassembler(const ObjectFile &Obj,
: Obj(Obj), Dis(Dis), MIA(MIA), MOS(0) {}
uint64_t MCObjectDisassembler::getEntrypoint() {
error_code ec;
for (symbol_iterator SI = Obj.begin_symbols(), SE = Obj.end_symbols();
SI != SE; SI.increment(ec)) {
if (ec)
break;
SI != SE; ++SI) {
StringRef Name;
SI->getName(Name);
if (Name == "main" || Name == "_main") {
@ -90,13 +87,8 @@ MCModule *MCObjectDisassembler::buildModule(bool withCFG) {
}
void MCObjectDisassembler::buildSectionAtoms(MCModule *Module) {
error_code ec;
for (section_iterator SI = Obj.begin_sections(),
SE = Obj.end_sections();
SI != SE;
SI.increment(ec)) {
if (ec) break;
for (section_iterator SI = Obj.begin_sections(), SE = Obj.end_sections();
SI != SE; ++SI) {
bool isText; SI->isText(isText);
bool isData; SI->isData(isData);
if (!isData && !isText)
@ -184,11 +176,8 @@ void MCObjectDisassembler::buildCFG(MCModule *Module) {
AddressSetTy Splits;
AddressSetTy Calls;
error_code ec;
for (symbol_iterator SI = Obj.begin_symbols(), SE = Obj.end_symbols();
SI != SE; SI.increment(ec)) {
if (ec)
break;
SI != SE; ++SI) {
SymbolRef::Type SymType;
SI->getType(SymType);
if (SymType == SymbolRef::ST_Function) {
@ -506,11 +495,8 @@ MCMachOObjectDisassembler::MCMachOObjectDisassembler(
: MCObjectDisassembler(MOOF, Dis, MIA), MOOF(MOOF),
VMAddrSlide(VMAddrSlide), HeaderLoadAddress(HeaderLoadAddress) {
error_code ec;
for (section_iterator SI = MOOF.begin_sections(), SE = MOOF.end_sections();
SI != SE; SI.increment(ec)) {
if (ec)
break;
SI != SE; ++SI) {
StringRef Name;
SI->getName(Name);
// FIXME: We should use the S_ section type instead of the name.

28
lib/MC/MCObjectSymbolizer.cpp
View File

@ -52,10 +52,8 @@ MCMachObjectSymbolizer(MCContext &Ctx, OwningPtr<MCRelocationInfo> &RelInfo,
: MCObjectSymbolizer(Ctx, RelInfo, MOOF), MOOF(MOOF),
StubsStart(0), StubsCount(0), StubSize(0), StubsIndSymIndex(0) {
error_code ec;
for (section_iterator SI = MOOF->begin_sections(), SE = MOOF->end_sections();
SI != SE; SI.increment(ec)) {
if (ec) break;
SI != SE; ++SI) {
StringRef Name; SI->getName(Name);
if (Name == "__stubs") {
SectionRef StubsSec = *SI;
@ -91,10 +89,8 @@ StringRef MCMachObjectSymbolizer::findExternalFunctionAt(uint64_t Addr) {
StringRef SymName;
symbol_iterator SI = MOOF->begin_symbols();
error_code ec;
for (uint32_t i = 0; i != SymtabIdx; ++i) {
SI.increment(ec);
}
for (uint32_t i = 0; i != SymtabIdx; ++i)
++SI;
SI->getName(SymName);
assert(SI != MOOF->end_symbols() && "Stub wasn't found in the symbol table!");
assert(SymName.front() == '_' && "Mach-O symbol doesn't start with '_'!");
@ -159,10 +155,8 @@ tryAddingSymbolicOperand(MCInst &MI, raw_ostream &cStream,
return false;
uint64_t UValue = Value;
// FIXME: map instead of looping each time?
error_code ec;
for (symbol_iterator SI = Obj->begin_symbols(), SE = Obj->end_symbols();
SI != SE; SI.increment(ec)) {
if (ec) break;
SI != SE; ++SI) {
uint64_t SymAddr; SI->getAddress(SymAddr);
uint64_t SymSize; SI->getSize(SymSize);
StringRef SymName; SI->getName(SymName);
@ -239,11 +233,8 @@ const RelocationRef *MCObjectSymbolizer::findRelocationAt(uint64_t Addr) {
}
void MCObjectSymbolizer::buildSectionList() {
error_code ec;
for (section_iterator SI = Obj->begin_sections(), SE = Obj->end_sections();
SI != SE; SI.increment(ec)) {
if (ec) break;
SI != SE; ++SI) {
bool RequiredForExec; SI->isRequiredForExecution(RequiredForExec);
if (RequiredForExec == false)
continue;
@ -263,11 +254,8 @@ void MCObjectSymbolizer::buildSectionList() {
}
void MCObjectSymbolizer::buildRelocationByAddrMap() {
error_code ec;
for (section_iterator SI = Obj->begin_sections(), SE = Obj->end_sections();
SI != SE; SI.increment(ec)) {
if (ec) break;
SI != SE; ++SI) {
section_iterator RelSecI = SI->getRelocatedSection();
if (RelSecI == Obj->end_sections())
continue;
@ -279,9 +267,7 @@ void MCObjectSymbolizer::buildRelocationByAddrMap() {
continue;
for (relocation_iterator RI = SI->begin_relocations(),
RE = SI->end_relocations();
RI != RE;
RI.increment(ec)) {
if (ec) break;
RI != RE; ++RI) {
// FIXME: libObject is inconsistent regarding error handling. The
// overwhelming majority of methods always return object_error::success,
// and assert for simple errors.. Here, ELFObjectFile::getRelocationOffset

32
lib/Object/COFFObjectFile.cpp
View File

@ -87,13 +87,10 @@ const coff_section *COFFObjectFile::toSec(DataRefImpl Ref) const {
return Addr;
}
error_code COFFObjectFile::getSymbolNext(DataRefImpl Ref,
SymbolRef &Result) const {
void COFFObjectFile::moveSymbolNext(DataRefImpl &Ref) const {
const coff_symbol *Symb = toSymb(Ref);
Symb += 1 + Symb->NumberOfAuxSymbols;
Ref.p = reinterpret_cast<uintptr_t>(Symb);
Result = SymbolRef(Ref, this);
return object_error::success;
}
error_code COFFObjectFile::getSymbolName(DataRefImpl Ref,
@ -221,13 +218,10 @@ error_code COFFObjectFile::getSymbolValue(DataRefImpl Ref,
report_fatal_error("getSymbolValue unimplemented in COFFObjectFile");
}
error_code COFFObjectFile::getSectionNext(DataRefImpl Ref,
SectionRef &Result) const {
void COFFObjectFile::moveSectionNext(DataRefImpl &Ref) const {
const coff_section *Sec = toSec(Ref);
Sec += 1;
Ref.p = reinterpret_cast<uintptr_t>(Sec);
Result = SectionRef(Ref, this);
return object_error::success;
}
error_code COFFObjectFile::getSectionName(DataRefImpl Ref,
@ -386,11 +380,8 @@ error_code COFFObjectFile::initSymbolTablePtr() {
// Returns the file offset for the given RVA.
error_code COFFObjectFile::getRvaPtr(uint32_t Rva, uintptr_t &Res) const {
error_code EC;
for (section_iterator I = begin_sections(), E = end_sections(); I != E;
I.increment(EC)) {
if (EC)
return EC;
++I) {
const coff_section *Section = getCOFFSection(I);
uint32_t SectionStart = Section->VirtualAddress;
uint32_t SectionEnd = Section->VirtualAddress + Section->VirtualSize;
@ -801,12 +792,9 @@ const coff_relocation *COFFObjectFile::toRel(DataRefImpl Rel) const {
return reinterpret_cast<const coff_relocation*>(Rel.p);
}
error_code COFFObjectFile::getRelocationNext(DataRefImpl Rel,
RelocationRef &Res) const {
void COFFObjectFile::moveRelocationNext(DataRefImpl &Rel) const {
Rel.p = reinterpret_cast<uintptr_t>(
reinterpret_cast<const coff_relocation*>(Rel.p) + 1);
Res = RelocationRef(Rel, this);
return object_error::success;
}
error_code COFFObjectFile::getRelocationAddress(DataRefImpl Rel,
@ -932,10 +920,8 @@ operator==(const ImportDirectoryEntryRef &Other) const {
return ImportTable == Other.ImportTable && Index == Other.Index;
}
error_code
ImportDirectoryEntryRef::getNext(ImportDirectoryEntryRef &Result) const {
Result = ImportDirectoryEntryRef(ImportTable, Index + 1, OwningObject);
return object_error::success;
void ImportDirectoryEntryRef::moveNext() {
++Index;
}
error_code ImportDirectoryEntryRef::
@ -967,10 +953,8 @@ operator==(const ExportDirectoryEntryRef &Other) const {
return ExportTable == Other.ExportTable && Index == Other.Index;
}
error_code
ExportDirectoryEntryRef::getNext(ExportDirectoryEntryRef &Result) const {
Result = ExportDirectoryEntryRef(ExportTable, Index + 1, OwningObject);
return object_error::success;
void ExportDirectoryEntryRef::moveNext() {
++Index;
}
// Returns the name of the current export symbol. If the symbol is exported only

49
lib/Object/MachOObjectFile.cpp
View File

@ -275,18 +275,9 @@ static StringRef parseSegmentOrSectionName(const char *P) {
// Helper to advance a section or symbol iterator multiple increments at a time.
template<class T>
static error_code advance(T &it, size_t Val) {
error_code ec;
while (Val--) {
it.increment(ec);
}
return ec;
}
template<class T>
static void advanceTo(T &it, size_t Val) {
if (error_code ec = advance(it, Val))
report_fatal_error(ec.message());
static void advance(T &it, size_t Val) {
while (Val--)
++it;
}
static unsigned getCPUType(const MachOObjectFile *O) {
@ -305,11 +296,9 @@ static void printRelocationTargetName(const MachOObjectFile *O,
if (IsScattered) {
uint32_t Val = O->getPlainRelocationSymbolNum(RE);
error_code ec;
for (symbol_iterator SI = O->begin_symbols(), SE = O->end_symbols();
SI != SE; SI.increment(ec)) {
if (ec) report_fatal_error(ec.message());
SI != SE; ++SI) {
error_code ec;
uint64_t Addr;
StringRef Name;
@ -325,9 +314,8 @@ static void printRelocationTargetName(const MachOObjectFile *O,
// If we couldn't find a symbol that this relocation refers to, try
// to find a section beginning instead.
for (section_iterator SI = O->begin_sections(), SE = O->end_sections();
SI != SE; SI.increment(ec)) {
if (ec) report_fatal_error(ec.message());
SI != SE; ++SI) {
error_code ec;
uint64_t Addr;
StringRef Name;
@ -350,12 +338,12 @@ static void printRelocationTargetName(const MachOObjectFile *O,
if (isExtern) {
symbol_iterator SI = O->begin_symbols();
advanceTo(SI, Val);
advance(SI, Val);
SI->getName(S);
} else {
section_iterator SI = O->begin_sections();
// Adjust for the fact that sections are 1-indexed.
advanceTo(SI, Val - 1);
advance(SI, Val - 1);
SI->getName(S);
}
@ -454,14 +442,11 @@ MachOObjectFile::MachOObjectFile(MemoryBuffer *Object, bool IsLittleEndian,
}
}
error_code MachOObjectFile::getSymbolNext(DataRefImpl Symb,
SymbolRef &Res) const {
void MachOObjectFile::moveSymbolNext(DataRefImpl &Symb) const {
unsigned SymbolTableEntrySize = is64Bit() ?
sizeof(MachO::nlist_64) :
sizeof(MachO::nlist);
Symb.p += SymbolTableEntrySize;
Res = SymbolRef(Symb, this);
return object_error::success;
}
error_code MachOObjectFile::getSymbolName(DataRefImpl Symb,
@ -545,9 +530,7 @@ error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
}
// Unfortunately symbols are unsorted so we need to touch all
// symbols from load command
error_code ec;
for (symbol_iterator I = begin_symbols(), E = end_symbols(); I != E;
I.increment(ec)) {
for (symbol_iterator I = begin_symbols(), E = end_symbols(); I != E; ++I) {
DataRefImpl DRI = I->getRawDataRefImpl();
Entry = getSymbolTableEntryBase(this, DRI);
getSymbolAddress(DRI, Value);
@ -648,11 +631,8 @@ error_code MachOObjectFile::getSymbolValue(DataRefImpl Symb,
report_fatal_error("getSymbolValue unimplemented in MachOObjectFile");
}
error_code MachOObjectFile::getSectionNext(DataRefImpl Sec,
SectionRef &Res) const {
void MachOObjectFile::moveSectionNext(DataRefImpl &Sec) const {
Sec.d.a++;
Res = SectionRef(Sec, this);
return object_error::success;
}
error_code
@ -834,13 +814,10 @@ MachOObjectFile::section_rel_end(DataRefImpl Sec) const {
return relocation_iterator(RelocationRef(Ret, this));
}
error_code MachOObjectFile::getRelocationNext(DataRefImpl Rel,
RelocationRef &Res) const {
void MachOObjectFile::moveRelocationNext(DataRefImpl &Rel) const {
const MachO::any_relocation_info *P =
reinterpret_cast<const MachO::any_relocation_info *>(Rel.p);
Rel.p = reinterpret_cast<uintptr_t>(P + 1);
Res = RelocationRef(Rel, this);
return object_error::success;
}
error_code

13
lib/Object/Object.cpp
View File

@ -84,9 +84,7 @@ LLVMBool LLVMIsSectionIteratorAtEnd(LLVMObjectFileRef ObjectFile,
}
void LLVMMoveToNextSection(LLVMSectionIteratorRef SI) {
error_code ec;
unwrap(SI)->increment(ec);
if (ec) report_fatal_error("LLVMMoveToNextSection failed: " + ec.message());
++(*unwrap(SI));
}
void LLVMMoveToContainingSection(LLVMSectionIteratorRef Sect,
@ -111,9 +109,7 @@ LLVMBool LLVMIsSymbolIteratorAtEnd(LLVMObjectFileRef ObjectFile,
}
void LLVMMoveToNextSymbol(LLVMSymbolIteratorRef SI) {
error_code ec;
unwrap(SI)->increment(ec);
if (ec) report_fatal_error("LLVMMoveToNextSymbol failed: " + ec.message());
++(*unwrap(SI));
}
// SectionRef accessors
@ -169,10 +165,7 @@ LLVMBool LLVMIsRelocationIteratorAtEnd(LLVMSectionIteratorRef Section,
}
void LLVMMoveToNextRelocation(LLVMRelocationIteratorRef SI) {
error_code ec;
unwrap(SI)->increment(ec);
if (ec) report_fatal_error("LLVMMoveToNextRelocation failed: " +
ec.message());
++(*unwrap(SI));
}

8
lib/Target/X86/MCTargetDesc/X86MachORelocationInfo.cpp
View File

@ -72,9 +72,9 @@ public:
break;
case X86_64_RELOC_SUBTRACTOR:
{
RelocationRef RelNext;
Obj->getRelocationNext(Rel.getRawDataRefImpl(), RelNext);
any_relocation_info RENext = Obj->getRelocation(RelNext.getRawDataRefImpl());
Rel.moveNext();
any_relocation_info RENext =
Obj->getRelocation(Rel.getRawDataRefImpl());
// X86_64_SUBTRACTOR must be followed by a relocation of type
// X86_64_RELOC_UNSIGNED.
@ -86,7 +86,7 @@ public:
const MCExpr *LHS = MCSymbolRefExpr::Create(Sym, Ctx);
symbol_iterator RSymI = RelNext.getSymbol();
symbol_iterator RSymI = Rel.getSymbol();
uint64_t RSymAddr;
RSymI->getAddress(RSymAddr);
StringRef RSymName;

3
tools/llvm-ar/llvm-ar.cpp
View File

@ -716,10 +716,9 @@ static void writeSymbolTable(
print32BE(Out, 0);
}
error_code Err;
for (object::symbol_iterator I = Obj->begin_symbols(),
E = Obj->end_symbols();
I != E; I.increment(Err), failIfError(Err)) {
I != E; ++I) {
uint32_t Symflags;
failIfError(I->getFlags(Symflags));
if (Symflags & object::SymbolRef::SF_FormatSpecific)

5
tools/llvm-nm/llvm-nm.cpp
View File

@ -532,16 +532,13 @@ static char getNMTypeChar(ObjectFile *Obj, symbol_iterator I) {
}
static void dumpSymbolNamesFromObject(ObjectFile *Obj) {
error_code EC;
symbol_iterator IBegin = Obj->begin_symbols();
symbol_iterator IEnd = Obj->end_symbols();
if (DynamicSyms) {
IBegin = Obj->begin_dynamic_symbols();
IEnd = Obj->end_dynamic_symbols();
}
for (symbol_iterator I = IBegin; I != IEnd; I.increment(EC)) {
if (error(EC))
break;
for (symbol_iterator I = IBegin; I != IEnd; ++I) {
uint32_t SymFlags;
if (error(I->getFlags(SymFlags)))
break;

23
tools/llvm-objdump/COFFDump.cpp
View File

@ -241,11 +241,7 @@ static void printImportTables(const COFFObjectFile *Obj) {
if (I == E)
return;
outs() << "The Import Tables:\n";
error_code EC;
for (; I != E; I = I.increment(EC)) {
if (EC)
return;
for (; I != E; I = ++I) {
const import_directory_table_entry *Dir;
StringRef Name;
if (I->getImportTableEntry(Dir)) return;
@ -294,10 +290,7 @@ static void printExportTable(const COFFObjectFile *Obj) {
outs() << " DLL name: " << DllName << "\n";
outs() << " Ordinal base: " << OrdinalBase << "\n";
outs() << " Ordinal RVA Name\n";
error_code EC;
for (; I != E; I = I.increment(EC)) {
if (EC)
return;
for (; I != E; I = ++I) {
uint32_t Ordinal;
if (I->getOrdinal(Ordinal))
return;
@ -327,12 +320,8 @@ void llvm::printCOFFUnwindInfo(const COFFObjectFile *Obj) {
const coff_section *Pdata = 0;
error_code EC;
for (section_iterator SI = Obj->begin_sections(),
SE = Obj->end_sections();
SI != SE; SI.increment(EC)) {
if (error(EC)) return;
for (section_iterator SI = Obj->begin_sections(), SE = Obj->end_sections();
SI != SE; ++SI) {
StringRef Name;
if (error(SI->getName(Name))) continue;
@ -342,10 +331,8 @@ void llvm::printCOFFUnwindInfo(const COFFObjectFile *Obj) {
std::vector<RelocationRef> Rels;
for (relocation_iterator RI = SI->begin_relocations(),
RE = SI->end_relocations();
RI != RE; RI.increment(EC)) {
if (error(EC)) break;
RI != RE; ++RI)
Rels.push_back(*RI);
}
// Sort relocations by address.
std::sort(Rels.begin(), Rels.end(), RelocAddressLess);

14
tools/llvm-objdump/MachODump.cpp
View File

@ -154,13 +154,14 @@ getSectionsAndSymbols(const MachO::mach_header Header,
std::vector<SymbolRef> &Symbols,
SmallVectorImpl<uint64_t> &FoundFns,
uint64_t &BaseSegmentAddress) {
error_code ec;
for (symbol_iterator SI = MachOObj->begin_symbols(),
SE = MachOObj->end_symbols(); SI != SE; SI.increment(ec))
SE = MachOObj->end_symbols();
SI != SE; ++SI)
Symbols.push_back(*SI);
for (section_iterator SI = MachOObj->begin_sections(),
SE = MachOObj->end_sections(); SI != SE; SI.increment(ec)) {
SE = MachOObj->end_sections();
SI != SE; ++SI) {
SectionRef SR = *SI;
StringRef SectName;
SR.getName(SectName);
@ -270,9 +271,8 @@ static void DisassembleInputMachO2(StringRef Filename,
else
BaseAddress = BaseSegmentAddress;
DiceTable Dices;
error_code ec;
for (dice_iterator DI = MachOOF->begin_dices(), DE = MachOOF->end_dices();
DI != DE; DI.increment(ec)){
DI != DE; ++DI) {
uint32_t Offset;
DI->getOffset(Offset);
Dices.push_back(std::make_pair(BaseAddress + Offset, *DI));
@ -329,9 +329,9 @@ static void DisassembleInputMachO2(StringRef Filename,
// Parse relocations.
std::vector<std::pair<uint64_t, SymbolRef> > Relocs;
error_code ec;
for (relocation_iterator RI = Sections[SectIdx].begin_relocations(),
RE = Sections[SectIdx].end_relocations(); RI != RE; RI.increment(ec)) {
RE = Sections[SectIdx].end_relocations();
RI != RE; ++RI) {
uint64_t RelocOffset, SectionAddress;
RI->getOffset(RelocOffset);
Sections[SectIdx].getAddress(SectionAddress);

39
tools/llvm-objdump/llvm-objdump.cpp
View File

@ -387,18 +387,14 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
error_code EC;
std::map<SectionRef, SmallVector<SectionRef, 1> > SectionRelocMap;
for (section_iterator I = Obj->begin_sections(), E = Obj->end_sections();
I != E; I.increment(EC)) {
if (error(EC))
break;
I != E; ++I) {
section_iterator Sec2 = I->getRelocatedSection();
if (Sec2 != Obj->end_sections())
SectionRelocMap[*Sec2].push_back(*I);
}
for (section_iterator I = Obj->begin_sections(), E = Obj->end_sections();
I != E; I.increment(EC)) {
if (error(EC))
break;
I != E; ++I) {
bool Text;
if (error(I->isText(Text)))
break;
@ -412,7 +408,7 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
// Make a list of all the symbols in this section.
std::vector<std::pair<uint64_t, StringRef> > Symbols;
for (symbol_iterator SI = Obj->begin_symbols(), SE = Obj->end_symbols();
SI != SE; SI.increment(EC)) {
SI != SE; ++SI) {
bool contains;
if (!error(I->containsSymbol(*SI, contains)) && contains) {
uint64_t Address;
@ -441,11 +437,8 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
RelocSec != E; ++RelocSec) {
for (relocation_iterator RI = RelocSec->begin_relocations(),
RE = RelocSec->end_relocations();
RI != RE; RI.increment(EC)) {
if (error(EC))
break;
RI != RE; ++RI)
Rels.push_back(*RI);
}
}
}
@ -559,11 +552,8 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
}
static void PrintRelocations(const ObjectFile *o) {
error_code EC;
for (section_iterator si = o->begin_sections(), se = o->end_sections();
si != se; si.increment(EC)) {
if (error(EC))
return;
si != se; ++si) {
if (si->begin_relocations() == si->end_relocations())
continue;
StringRef secname;
@ -571,10 +561,7 @@ static void PrintRelocations(const ObjectFile *o) {
outs() << "RELOCATION RECORDS FOR [" << secname << "]:\n";
for (relocation_iterator ri = si->begin_relocations(),
re = si->end_relocations();
ri != re; ri.increment(EC)) {
if (error(EC))
return;
ri != re; ++ri) {
bool hidden;
uint64_t address;
SmallString<32> relocname;
@ -593,12 +580,9 @@ static void PrintRelocations(const ObjectFile *o) {
static void PrintSectionHeaders(const ObjectFile *o) {
outs() << "Sections:\n"
"Idx Name Size Address Type\n";
error_code EC;
unsigned i = 0;
for (section_iterator si = o->begin_sections(), se = o->end_sections();
si != se; si.increment(EC)) {
if (error(EC))
return;
si != se; ++si) {
StringRef Name;
if (error(si->getName(Name)))
return;
@ -621,9 +605,7 @@ static void PrintSectionHeaders(const ObjectFile *o) {
static void PrintSectionContents(const ObjectFile *o) {
error_code EC;
for (section_iterator si = o->begin_sections(), se = o->end_sections();
si != se; si.increment(EC)) {
if (error(EC))
return;
si != se; ++si) {
StringRef Name;
StringRef Contents;
uint64_t BaseAddr;
@ -714,11 +696,8 @@ static void PrintSymbolTable(const ObjectFile *o) {
if (const COFFObjectFile *coff = dyn_cast<const COFFObjectFile>(o))
PrintCOFFSymbolTable(coff);
else {
error_code EC;
for (symbol_iterator si = o->begin_symbols(), se = o->end_symbols();
si != se; si.increment(EC)) {
if (error(EC))
return;
si != se; ++si) {
StringRef Name;
uint64_t Address;
SymbolRef::Type Type;

52
tools/llvm-readobj/COFFDumper.cpp
View File

@ -541,23 +541,15 @@ error_code COFFDumper::getSection(
}
void COFFDumper::cacheRelocations() {
error_code EC;
for (section_iterator SecI = Obj->begin_sections(),
SecE = Obj->end_sections();
SecI != SecE; SecI.increment(EC)) {
if (error(EC))
break;
SecI != SecE; ++SecI) {
const coff_section *Section = Obj->getCOFFSection(SecI);
for (relocation_iterator RelI = SecI->begin_relocations(),
RelE = SecI->end_relocations();
RelI != RelE; RelI.increment(EC)) {
if (error(EC))
break;
RelI != RelE; ++RelI)
RelocMap[Section].push_back(*RelI);
}
// Sort relocations by address.
std::sort(RelocMap[Section].begin(), RelocMap[Section].end(),
@ -824,16 +816,11 @@ void COFFDumper::printCodeViewLineTables(section_iterator SecI) {
}
void COFFDumper::printSections() {
error_code EC;
ListScope SectionsD(W, "Sections");
int SectionNumber = 0;
for (section_iterator SecI = Obj->begin_sections(),
SecE = Obj->end_sections();
SecI != SecE; SecI.increment(EC)) {
if (error(EC))
break;
SecI != SecE; ++SecI) {
++SectionNumber;
const coff_section *Section = Obj->getCOFFSection(SecI);
@ -860,20 +847,15 @@ void COFFDumper::printSections() {
ListScope D(W, "Relocations");
for (relocation_iterator RelI = SecI->begin_relocations(),
RelE = SecI->end_relocations();
RelI != RelE; RelI.increment(EC)) {
if (error(EC)) break;
RelI != RelE; ++RelI)
printRelocation(SecI, RelI);
}
}
if (opts::SectionSymbols) {
ListScope D(W, "Symbols");
for (symbol_iterator SymI = Obj->begin_symbols(),
SymE = Obj->end_symbols();
SymI != SymE; SymI.increment(EC)) {
if (error(EC)) break;
SymI != SymE; ++SymI) {
bool Contained = false;
if (SecI->containsSymbol(*SymI, Contained) || !Contained)
continue;
@ -897,15 +879,11 @@ void COFFDumper::printSections() {
void COFFDumper::printRelocations() {
ListScope D(W, "Relocations");
error_code EC;
int SectionNumber = 0;
for (section_iterator SecI = Obj->begin_sections(),
SecE = Obj->end_sections();
SecI != SecE; SecI.increment(EC)) {
SecI != SecE; ++SecI) {
++SectionNumber;
if (error(EC))
break;
StringRef Name;
if (error(SecI->getName(Name)))
continue;
@ -913,9 +891,7 @@ void COFFDumper::printRelocations() {
bool PrintedGroup = false;
for (relocation_iterator RelI = SecI->begin_relocations(),
RelE = SecI->end_relocations();
RelI != RelE; RelI.increment(EC)) {
if (error(EC)) break;
RelI != RelE; ++RelI) {
if (!PrintedGroup) {
W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
W.indent();
@ -963,14 +939,9 @@ void COFFDumper::printRelocation(section_iterator SecI,
void COFFDumper::printSymbols() {
ListScope Group(W, "Symbols");
error_code EC;
for (symbol_iterator SymI = Obj->begin_symbols(),
SymE = Obj->end_symbols();
SymI != SymE; SymI.increment(EC)) {
if (error(EC)) break;
for (symbol_iterator SymI = Obj->begin_symbols(), SymE = Obj->end_symbols();
SymI != SymE; ++SymI)
printSymbol(SymI);
}
}
void COFFDumper::printDynamicSymbols() {
@ -1116,12 +1087,9 @@ void COFFDumper::printUnwindInfo() {
}
void COFFDumper::printX64UnwindInfo() {
error_code EC;
for (section_iterator SecI = Obj->begin_sections(),
SecE = Obj->end_sections();
SecI != SecE; SecI.increment(EC)) {
if (error(EC)) break;
SecI != SecE; ++SecI) {
StringRef Name;
if (error(SecI->getName(Name)))
continue;

30
tools/llvm-readobj/MachODumper.cpp
View File

@ -222,12 +222,9 @@ void MachODumper::printSections(const MachOObjectFile *Obj) {
ListScope Group(W, "Sections");
int SectionIndex = -1;
error_code EC;
for (section_iterator SecI = Obj->begin_sections(),
SecE = Obj->end_sections();
SecI != SecE; SecI.increment(EC)) {
if (error(EC)) break;
SecI != SecE; ++SecI) {
++SectionIndex;
MachOSection Section;
@ -263,20 +260,15 @@ void MachODumper::printSections(const MachOObjectFile *Obj) {
ListScope D(W, "Relocations");
for (relocation_iterator RelI = SecI->begin_relocations(),
RelE = SecI->end_relocations();
RelI != RelE; RelI.increment(EC)) {
if (error(EC)) break;
RelI != RelE; ++RelI)
printRelocation(SecI, RelI);
}
}
if (opts::SectionSymbols) {
ListScope D(W, "Symbols");
for (symbol_iterator SymI = Obj->begin_symbols(),
SymE = Obj->end_symbols();
SymI != SymE; SymI.increment(EC)) {
if (error(EC)) break;
SymI != SymE; ++SymI) {
bool Contained = false;
if (SecI->containsSymbol(*SymI, Contained) || !Contained)
continue;
@ -300,9 +292,7 @@ void MachODumper::printRelocations() {
error_code EC;
for (section_iterator SecI = Obj->begin_sections(),
SecE = Obj->end_sections();
SecI != SecE; SecI.increment(EC)) {
if (error(EC)) break;
SecI != SecE; ++SecI) {
StringRef Name;
if (error(SecI->getName(Name)))
continue;
@ -310,9 +300,7 @@ void MachODumper::printRelocations() {
bool PrintedGroup = false;
for (relocation_iterator RelI = SecI->begin_relocations(),
RelE = SecI->end_relocations();
RelI != RelE; RelI.increment(EC)) {
if (error(EC)) break;
RelI != RelE; ++RelI) {
if (!PrintedGroup) {
W.startLine() << "Section " << Name << " {\n";
W.indent();
@ -382,12 +370,8 @@ void MachODumper::printRelocation(const MachOObjectFile *Obj,
void MachODumper::printSymbols() {
ListScope Group(W, "Symbols");
error_code EC;
for (symbol_iterator SymI = Obj->begin_symbols(),
SymE = Obj->end_symbols();
SymI != SymE; SymI.increment(EC)) {
if (error(EC)) break;
for (symbol_iterator SymI = Obj->begin_symbols(), SymE = Obj->end_symbols();
SymI != SymE; ++SymI) {
printSymbol(SymI);
}
}

4
tools/llvm-rtdyld/llvm-rtdyld.cpp
View File

@ -151,11 +151,9 @@ static int printLineInfoForInput() {
OwningPtr<DIContext> Context(DIContext::getDWARFContext(LoadedObject->getObjectFile()));
// Use symbol info to iterate functions in the object.
error_code ec;
for (object::symbol_iterator I = LoadedObject->begin_symbols(),
E = LoadedObject->end_symbols();
I != E && !ec;
I.increment(ec)) {
I != E; ++I) {
object::SymbolRef::Type SymType;
if (I->getType(SymType)) continue;
if (SymType == object::SymbolRef::ST_Function) {

25
tools/llvm-size/llvm-size.cpp
View File

@ -111,12 +111,8 @@ static void PrintObjectSectionSizes(ObjectFile *o) {
std::size_t max_name_len = strlen("section");
std::size_t max_size_len = strlen("size");
std::size_t max_addr_len = strlen("addr");
error_code ec;
for (section_iterator i = o->begin_sections(),
e = o->end_sections(); i != e;
i.increment(ec)) {
if (error(ec))
return;
for (section_iterator i = o->begin_sections(), e = o->end_sections();
i != e; ++i) {
uint64_t size = 0;
if (error(i->getSize(size)))
return;
@ -154,12 +150,8 @@ static void PrintObjectSectionSizes(ObjectFile *o) {
<< "%#" << max_addr_len << radix_fmt << "\n";
// Print each section.
for (section_iterator i = o->begin_sections(),
e = o->end_sections(); i != e;
i.increment(ec)) {
if (error(ec))
return;
for (section_iterator i = o->begin_sections(), e = o->end_sections();
i != e; ++i) {
StringRef name;
uint64_t size = 0;
uint64_t addr = 0;
@ -189,13 +181,8 @@ static void PrintObjectSectionSizes(ObjectFile *o) {
uint64_t total_bss = 0;
// Make one pass over the section table to calculate sizes.
error_code ec;
for (section_iterator i = o->begin_sections(),
e = o->end_sections(); i != e;
i.increment(ec)) {
if (error(ec))
return;
for (section_iterator i = o->begin_sections(), e = o->end_sections();
i != e; ++i) {
uint64_t size = 0;
bool isText = false;
bool isData = false;

8
tools/llvm-symbolizer/LLVMSymbolize.cpp
View File

@ -52,11 +52,8 @@ static void patchFunctionNameInDILineInfo(const std::string &NewFunctionName,
ModuleInfo::ModuleInfo(ObjectFile *Obj, DIContext *DICtx)
: Module(Obj), DebugInfoContext(DICtx) {
error_code ec;
for (symbol_iterator si = Module->begin_symbols(), se = Module->end_symbols();
si != se; si.increment(ec)) {
if (error(ec))
return;
si != se; ++si) {
SymbolRef::Type SymbolType;
if (error(si->getType(SymbolType)))
continue;
@ -268,9 +265,8 @@ static bool getGNUDebuglinkContents(const Binary *Bin, std::string &DebugName,
const ObjectFile *Obj = dyn_cast<ObjectFile>(Bin);
if (!Obj)
return false;
error_code EC;
for (section_iterator I = Obj->begin_sections(), E = Obj->end_sections();
I != E; I.increment(EC)) {
I != E; ++I) {
StringRef Name;
I->getName(Name);
Name = Name.substr(Name.find_first_not_of("._"));

7
tools/macho-dump/macho-dump.cpp
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@ -96,9 +96,9 @@ static int DumpSectionData(const MachOObjectFile &Obj, unsigned Index,
// Dump the relocation entries.
outs() << " ('_relocations', [\n";
unsigned RelNum = 0;
error_code EC;
for (relocation_iterator I = Obj.section_rel_begin(Index),
E = Obj.section_rel_end(Index); I != E; I.increment(EC), ++RelNum) {
E = Obj.section_rel_end(Index);
I != E; ++I, ++RelNum) {
MachO::any_relocation_info RE = Obj.getRelocation(I->getRawDataRefImpl());
outs() << " # Relocation " << RelNum << "\n";
outs() << " (('word-0', " << format("0x%x", RE.r_word0) << "),\n";
@ -201,10 +201,9 @@ static int DumpSymtabCommand(const MachOObjectFile &Obj) {
// Dump the symbol table.
outs() << " ('_symbols', [\n";
error_code EC;
unsigned SymNum = 0;
for (symbol_iterator I = Obj.begin_symbols(), E = Obj.end_symbols(); I != E;
I.increment(EC), ++SymNum) {
++I, ++SymNum) {
DataRefImpl DRI = I->getRawDataRefImpl();
if (Obj.is64Bit()) {
MachO::nlist_64 STE = Obj.getSymbol64TableEntry(DRI);

10
tools/obj2yaml/coff2yaml.cpp
View File

@ -51,10 +51,8 @@ void COFFDumper::dumpHeader(const object::coff_file_header *Header) {
void COFFDumper::dumpSections(unsigned NumSections) {
std::vector<COFFYAML::Section> &Sections = YAMLObj.Sections;
error_code ec;
for (object::section_iterator iter = Obj.begin_sections();
iter != Obj.end_sections(); iter.increment(ec)) {
check(ec);
iter != Obj.end_sections(); ++iter) {
const object::coff_section *Sect = Obj.getCOFFSection(iter);
COFFYAML::Section Sec;
Sec.Name = Sect->Name; // FIXME: check the null termination!
@ -68,7 +66,7 @@ void COFFDumper::dumpSections(unsigned NumSections) {
std::vector<COFFYAML::Relocation> Relocations;
for (object::relocation_iterator rIter = iter->begin_relocations();
rIter != iter->end_relocations(); rIter.increment(ec)) {
rIter != iter->end_relocations(); ++rIter) {
const object::coff_relocation *reloc = Obj.getCOFFRelocation(rIter);
COFFYAML::Relocation Rel;
object::symbol_iterator Sym = rIter->getSymbol();
@ -83,11 +81,9 @@ void COFFDumper::dumpSections(unsigned NumSections) {
}
void COFFDumper::dumpSymbols(unsigned NumSymbols) {
error_code ec;
std::vector<COFFYAML::Symbol> &Symbols = YAMLObj.Symbols;
for (object::symbol_iterator iter = Obj.begin_symbols();
iter != Obj.end_symbols(); iter.increment(ec)) {
check(ec);
iter != Obj.end_symbols(); ++iter) {
const object::coff_symbol *Symbol = Obj.getCOFFSymbol(iter);
COFFYAML::Symbol Sym;
Obj.getSymbolName(Symbol, Sym.Name);