SwapValue(H.Flags);
}
+template<>
+void SwapStruct(macho::Header64Ext &E) {
+ SwapValue(E.Reserved);
+}
+
template<>
void SwapStruct(macho::SymtabLoadCommand &C) {
SwapValue(C.Type);
SwapValue(C.StringTableSize);
}
+template<>
+void SwapStruct(macho::DysymtabLoadCommand &C) {
+ SwapValue(C.Type);
+ SwapValue(C.Size);
+ SwapValue(C.LocalSymbolsIndex);
+ SwapValue(C.NumLocalSymbols);
+ SwapValue(C.ExternalSymbolsIndex);
+ SwapValue(C.NumExternalSymbols);
+ SwapValue(C.UndefinedSymbolsIndex);
+ SwapValue(C.NumUndefinedSymbols);
+ SwapValue(C.TOCOffset);
+ SwapValue(C.NumTOCEntries);
+ SwapValue(C.ModuleTableOffset);
+ SwapValue(C.NumModuleTableEntries);
+ SwapValue(C.ReferenceSymbolTableOffset);
+ SwapValue(C.NumReferencedSymbolTableEntries);
+ SwapValue(C.IndirectSymbolTableOffset);
+ SwapValue(C.NumIndirectSymbolTableEntries);
+ SwapValue(C.ExternalRelocationTableOffset);
+ SwapValue(C.NumExternalRelocationTableEntries);
+ SwapValue(C.LocalRelocationTableOffset);
+ SwapValue(C.NumLocalRelocationTableEntries);
+}
+
template<>
void SwapStruct(macho::LinkeditDataLoadCommand &C) {
SwapValue(C.Type);
SwapValue(C.Flags);
}
+template<>
+void SwapStruct(macho::IndirectSymbolTableEntry &C) {
+ SwapValue(C.Index);
+}
+
+template<>
+void SwapStruct(macho::LinkerOptionsLoadCommand &C) {
+ SwapValue(C.Type);
+ SwapValue(C.Size);
+ SwapValue(C.Count);
+}
+
+template<>
+void SwapStruct(macho::DataInCodeTableEntry &C) {
+ SwapValue(C.Offset);
+ SwapValue(C.Length);
+ SwapValue(C.Kind);
+}
+
template<typename T>
T getStruct(const MachOObjectFile *O, const char *P) {
T Cmd;
return Cmd;
}
-static macho::SegmentLoadCommand
-getSegmentLoadCommand(const MachOObjectFile *O,
- const MachOObjectFile::LoadCommandInfo &L) {
- return getStruct<macho::SegmentLoadCommand>(O, L.Ptr);
-}
-
-static macho::Segment64LoadCommand
-getSegment64LoadCommand(const MachOObjectFile *O,
- const MachOObjectFile::LoadCommandInfo &L) {
- return getStruct<macho::Segment64LoadCommand>(O, L.Ptr);
-}
-
static uint32_t
getSegmentLoadCommandNumSections(const MachOObjectFile *O,
const MachOObjectFile::LoadCommandInfo &L) {
if (O->is64Bit()) {
- macho::Segment64LoadCommand S = getSegment64LoadCommand(O, L);
+ macho::Segment64LoadCommand S = O->getSegment64LoadCommand(L);
return S.NumSections;
}
- macho::SegmentLoadCommand S = getSegmentLoadCommand(O, L);
+ macho::SegmentLoadCommand S = O->getSegmentLoadCommand(L);
return S.NumSections;
}
-static const SectionBase *
-getSectionBase(const MachOObjectFile *O, MachOObjectFile::LoadCommandInfo L,
- unsigned Sec) {
+static const char *
+getSectionPtr(const MachOObjectFile *O, MachOObjectFile::LoadCommandInfo L,
+ unsigned Sec) {
uintptr_t CommandAddr = reinterpret_cast<uintptr_t>(L.Ptr);
bool Is64 = O->is64Bit();
sizeof(macho::Section);
uintptr_t SectionAddr = CommandAddr + SegmentLoadSize + Sec * SectionSize;
- return reinterpret_cast<const SectionBase*>(SectionAddr);
+ return reinterpret_cast<const char*>(SectionAddr);
}
static const char *getPtr(const MachOObjectFile *O, size_t Offset) {
StringRef S;
bool isExtern = O->getPlainRelocationExternal(RE);
- uint64_t Val = O->getAnyRelocationAddress(RE);
+ uint64_t Val = O->getPlainRelocationSymbolNum(RE);
if (isExtern) {
symbol_iterator SI = O->begin_symbols();
SI->getName(S);
} else {
section_iterator SI = O->begin_sections();
- advanceTo(SI, Val);
+ // Adjust for the fact that sections are 1-indexed.
+ advanceTo(SI, Val - 1);
SI->getName(S);
}
bool IsLittleEndian, bool Is64bits,
error_code &ec)
: ObjectFile(getMachOType(IsLittleEndian, Is64bits), Object),
- SymtabLoadCmd(NULL) {
+ SymtabLoadCmd(NULL), DysymtabLoadCmd(NULL), DataInCodeLoadCmd(NULL) {
uint32_t LoadCommandCount = this->getHeader().NumLoadCommands;
macho::LoadCommandType SegmentLoadType = is64Bit() ?
macho::LCT_Segment64 : macho::LCT_Segment;
if (Load.C.Type == macho::LCT_Symtab) {
assert(!SymtabLoadCmd && "Multiple symbol tables");
SymtabLoadCmd = Load.Ptr;
- }
-
- if (Load.C.Type == SegmentLoadType) {
+ } else if (Load.C.Type == macho::LCT_Dysymtab) {
+ assert(!DysymtabLoadCmd && "Multiple dynamic symbol tables");
+ DysymtabLoadCmd = Load.Ptr;
+ } else if (Load.C.Type == macho::LCT_DataInCode) {
+ assert(!DataInCodeLoadCmd && "Multiple data in code tables");
+ DataInCodeLoadCmd = Load.Ptr;
+ } else if (Load.C.Type == SegmentLoadType) {
uint32_t NumSections = getSegmentLoadCommandNumSections(this, Load);
for (unsigned J = 0; J < NumSections; ++J) {
- const SectionBase *Sec = getSectionBase(this, Load, J);
- Sections.push_back(reinterpret_cast<const char*>(Sec));
+ const char *Sec = getSectionPtr(this, Load, J);
+ Sections.push_back(Sec);
}
}
error_code MachOObjectFile::getSymbolName(DataRefImpl Symb,
StringRef &Res) const {
- macho::SymtabLoadCommand S = getSymtabLoadCommand();
- const char *StringTable = getPtr(this, S.StringTableOffset);
+ StringRef StringTable = getStringTableData();
SymbolTableEntryBase Entry = getSymbolTableEntryBase(this, Symb);
- const char *Start = &StringTable[Entry.StringIndex];
+ const char *Start = &StringTable.data()[Entry.StringIndex];
Res = StringRef(Start);
return object_error::success;
}
return object_error::success;
}
+error_code MachOObjectFile::getSymbolAlignment(DataRefImpl DRI,
+ uint32_t &Result) const {
+ uint32_t flags;
+ this->getSymbolFlags(DRI, flags);
+ if (flags & SymbolRef::SF_Common) {
+ SymbolTableEntryBase Entry = getSymbolTableEntryBase(this, DRI);
+ Result = 1 << MachO::GET_COMM_ALIGN(Entry.Flags);
+ } else {
+ Result = 0;
+ }
+ return object_error::success;
+}
+
error_code MachOObjectFile::getSymbolSize(DataRefImpl DRI,
uint64_t &Result) const {
uint64_t BeginOffset;
if (MachOType & MachO::NlistMaskExternal) {
Result |= SymbolRef::SF_Global;
- if ((MachOType & MachO::NlistMaskType) == MachO::NListTypeUndefined)
- Result |= SymbolRef::SF_Common;
+ if ((MachOType & MachO::NlistMaskType) == MachO::NListTypeUndefined) {
+ uint64_t Value;
+ getSymbolAddress(DRI, Value);
+ if (Value)
+ Result |= SymbolRef::SF_Common;
+ }
}
if (MachOFlags & (MachO::NListDescWeakRef | MachO::NListDescWeakDef))
}
relocation_iterator MachOObjectFile::getSectionRelBegin(DataRefImpl Sec) const {
- DataRefImpl ret;
- ret.d.b = Sec.d.a;
- return relocation_iterator(RelocationRef(ret, this));
+ uint32_t Offset;
+ if (is64Bit()) {
+ macho::Section64 Sect = getSection64(Sec);
+ Offset = Sect.RelocationTableOffset;
+ } else {
+ macho::Section Sect = getSection(Sec);
+ Offset = Sect.RelocationTableOffset;
+ }
+
+ DataRefImpl Ret;
+ Ret.p = reinterpret_cast<uintptr_t>(getPtr(this, Offset));
+ return relocation_iterator(RelocationRef(Ret, this));
}
relocation_iterator
MachOObjectFile::getSectionRelEnd(DataRefImpl Sec) const {
- uint32_t LastReloc;
+ uint32_t Offset;
+ uint32_t Num;
if (is64Bit()) {
macho::Section64 Sect = getSection64(Sec);
- LastReloc = Sect.NumRelocationTableEntries;
+ Offset = Sect.RelocationTableOffset;
+ Num = Sect.NumRelocationTableEntries;
} else {
macho::Section Sect = getSection(Sec);
- LastReloc = Sect.NumRelocationTableEntries;
+ Offset = Sect.RelocationTableOffset;
+ Num = Sect.NumRelocationTableEntries;
}
+ const macho::RelocationEntry *P =
+ reinterpret_cast<const macho::RelocationEntry*>(getPtr(this, Offset));
+
DataRefImpl Ret;
- Ret.d.a = LastReloc;
- Ret.d.b = Sec.d.a;
+ Ret.p = reinterpret_cast<uintptr_t>(P + Num);
return relocation_iterator(RelocationRef(Ret, this));
}
- error_code MachOObjectFile::getRelocationNext(DataRefImpl Rel,
- RelocationRef &Res) const {
- ++Rel.d.a;
+error_code MachOObjectFile::getRelocationNext(DataRefImpl Rel,
+ RelocationRef &Res) const {
+ const macho::RelocationEntry *P =
+ reinterpret_cast<const macho::RelocationEntry *>(Rel.p);
+ Rel.p = reinterpret_cast<uintptr_t>(P + 1);
Res = RelocationRef(Rel, this);
return object_error::success;
}
return object_error::success;
}
-error_code
-MachOObjectFile::getRelocationSymbol(DataRefImpl Rel, SymbolRef &Res) const {
+symbol_iterator
+MachOObjectFile::getRelocationSymbol(DataRefImpl Rel) const {
macho::RelocationEntry RE = getRelocation(Rel);
uint32_t SymbolIdx = getPlainRelocationSymbolNum(RE);
bool isExtern = getPlainRelocationExternal(RE);
- if (!isExtern) {
- Res = *end_symbols();
- return object_error::success;
- }
+ if (!isExtern)
+ return end_symbols();
macho::SymtabLoadCommand S = getSymtabLoadCommand();
unsigned SymbolTableEntrySize = is64Bit() ?
uint64_t Offset = S.SymbolTableOffset + SymbolIdx * SymbolTableEntrySize;
DataRefImpl Sym;
Sym.p = reinterpret_cast<uintptr_t>(getPtr(this, Offset));
- Res = SymbolRef(Sym, this);
- return object_error::success;
+ return symbol_iterator(SymbolRef(Sym, this));
}
error_code MachOObjectFile::getRelocationType(DataRefImpl Rel,
return object_error::success;
}
-error_code MachOObjectFile::getRelocationAdditionalInfo(DataRefImpl Rel,
- int64_t &Res) const {
- Res = 0;
- return object_error::success;
-}
-
error_code
MachOObjectFile::getRelocationValueString(DataRefImpl Rel,
SmallVectorImpl<char> &Result) const {
}
}
-unsigned MachOObjectFile::getArch() const {
- switch (getCPUType(this)) {
+Triple::ArchType MachOObjectFile::getArch(uint32_t CPUType) {
+ switch (CPUType) {
case llvm::MachO::CPUTypeI386:
return Triple::x86;
case llvm::MachO::CPUTypeX86_64:
}
}
+unsigned MachOObjectFile::getArch() const {
+ return getArch(getCPUType(this));
+}
+
StringRef MachOObjectFile::getLoadName() const {
// TODO: Implement
report_fatal_error("get_load_name() unimplemented in MachOObjectFile");
}
+relocation_iterator MachOObjectFile::getSectionRelBegin(unsigned Index) const {
+ DataRefImpl DRI;
+ DRI.d.a = Index;
+ return getSectionRelBegin(DRI);
+}
+
+relocation_iterator MachOObjectFile::getSectionRelEnd(unsigned Index) const {
+ DataRefImpl DRI;
+ DRI.d.a = Index;
+ return getSectionRelEnd(DRI);
+}
+
+dice_iterator MachOObjectFile::begin_dices() const {
+ DataRefImpl DRI;
+ if (!DataInCodeLoadCmd)
+ return dice_iterator(DiceRef(DRI, this));
+
+ macho::LinkeditDataLoadCommand DicLC = getDataInCodeLoadCommand();
+ DRI.p = reinterpret_cast<uintptr_t>(getPtr(this, DicLC.DataOffset));
+ return dice_iterator(DiceRef(DRI, this));
+}
+
+dice_iterator MachOObjectFile::end_dices() const {
+ DataRefImpl DRI;
+ if (!DataInCodeLoadCmd)
+ return dice_iterator(DiceRef(DRI, this));
+
+ macho::LinkeditDataLoadCommand DicLC = getDataInCodeLoadCommand();
+ unsigned Offset = DicLC.DataOffset + DicLC.DataSize;
+ DRI.p = reinterpret_cast<uintptr_t>(getPtr(this, Offset));
+ return dice_iterator(DiceRef(DRI, this));
+}
+
StringRef
MachOObjectFile::getSectionFinalSegmentName(DataRefImpl Sec) const {
ArrayRef<char> Raw = getSectionRawFinalSegmentName(Sec);
return getPlainRelocationType(this, RE);
}
+SectionRef
+MachOObjectFile::getRelocationSection(const macho::RelocationEntry &RE) const {
+ if (isRelocationScattered(RE) || getPlainRelocationExternal(RE))
+ return *end_sections();
+ unsigned SecNum = getPlainRelocationSymbolNum(RE) - 1;
+ DataRefImpl DRI;
+ DRI.d.a = SecNum;
+ return SectionRef(DRI, this);
+}
+
MachOObjectFile::LoadCommandInfo
MachOObjectFile::getFirstLoadCommandInfo() const {
MachOObjectFile::LoadCommandInfo Load;
return getStruct<macho::Section64>(this, Sections[DRI.d.a]);
}
+macho::Section MachOObjectFile::getSection(const LoadCommandInfo &L,
+ unsigned Index) const {
+ const char *Sec = getSectionPtr(this, L, Index);
+ return getStruct<macho::Section>(this, Sec);
+}
+
+macho::Section64 MachOObjectFile::getSection64(const LoadCommandInfo &L,
+ unsigned Index) const {
+ const char *Sec = getSectionPtr(this, L, Index);
+ return getStruct<macho::Section64>(this, Sec);
+}
+
macho::SymbolTableEntry
MachOObjectFile::getSymbolTableEntry(DataRefImpl DRI) const {
const char *P = reinterpret_cast<const char *>(DRI.p);
return getStruct<macho::LinkeditDataLoadCommand>(this, L.Ptr);
}
+macho::SegmentLoadCommand
+MachOObjectFile::getSegmentLoadCommand(const LoadCommandInfo &L) const {
+ return getStruct<macho::SegmentLoadCommand>(this, L.Ptr);
+}
+
+macho::Segment64LoadCommand
+MachOObjectFile::getSegment64LoadCommand(const LoadCommandInfo &L) const {
+ return getStruct<macho::Segment64LoadCommand>(this, L.Ptr);
+}
+
+macho::LinkerOptionsLoadCommand
+MachOObjectFile::getLinkerOptionsLoadCommand(const LoadCommandInfo &L) const {
+ return getStruct<macho::LinkerOptionsLoadCommand>(this, L.Ptr);
+}
+
macho::RelocationEntry
MachOObjectFile::getRelocation(DataRefImpl Rel) const {
- uint32_t RelOffset;
- DataRefImpl Sec;
- Sec.d.a = Rel.d.b;
- if (is64Bit()) {
- macho::Section64 Sect = getSection64(Sec);
- RelOffset = Sect.RelocationTableOffset;
- } else {
- macho::Section Sect = getSection(Sec);
- RelOffset = Sect.RelocationTableOffset;
- }
+ const char *P = reinterpret_cast<const char *>(Rel.p);
+ return getStruct<macho::RelocationEntry>(this, P);
+}
- uint64_t Offset = RelOffset + Rel.d.a * sizeof(macho::RelocationEntry);
- return getStruct<macho::RelocationEntry>(this, getPtr(this, Offset));
+macho::DataInCodeTableEntry
+MachOObjectFile::getDice(DataRefImpl Rel) const {
+ const char *P = reinterpret_cast<const char *>(Rel.p);
+ return getStruct<macho::DataInCodeTableEntry>(this, P);
}
macho::Header MachOObjectFile::getHeader() const {
return getStruct<macho::Header>(this, getPtr(this, 0));
}
-macho::SymtabLoadCommand
-MachOObjectFile::getSymtabLoadCommand() const {
+macho::Header64Ext MachOObjectFile::getHeader64Ext() const {
+ return
+ getStruct<macho::Header64Ext>(this, getPtr(this, sizeof(macho::Header)));
+}
+
+macho::IndirectSymbolTableEntry MachOObjectFile::getIndirectSymbolTableEntry(
+ const macho::DysymtabLoadCommand &DLC,
+ unsigned Index) const {
+ uint64_t Offset = DLC.IndirectSymbolTableOffset +
+ Index * sizeof(macho::IndirectSymbolTableEntry);
+ return getStruct<macho::IndirectSymbolTableEntry>(this, getPtr(this, Offset));
+}
+
+macho::DataInCodeTableEntry
+MachOObjectFile::getDataInCodeTableEntry(uint32_t DataOffset,
+ unsigned Index) const {
+ uint64_t Offset = DataOffset + Index * sizeof(macho::DataInCodeTableEntry);
+ return getStruct<macho::DataInCodeTableEntry>(this, getPtr(this, Offset));
+}
+
+macho::SymtabLoadCommand MachOObjectFile::getSymtabLoadCommand() const {
return getStruct<macho::SymtabLoadCommand>(this, SymtabLoadCmd);
}
+macho::DysymtabLoadCommand MachOObjectFile::getDysymtabLoadCommand() const {
+ return getStruct<macho::DysymtabLoadCommand>(this, DysymtabLoadCmd);
+}
+
+macho::LinkeditDataLoadCommand
+MachOObjectFile::getDataInCodeLoadCommand() const {
+ if (DataInCodeLoadCmd)
+ return getStruct<macho::LinkeditDataLoadCommand>(this, DataInCodeLoadCmd);
+
+ // If there is no DataInCodeLoadCmd return a load command with zero'ed fields.
+ macho::LinkeditDataLoadCommand Cmd;
+ Cmd.Type = macho::LCT_DataInCode;
+ Cmd.Size = macho::LinkeditLoadCommandSize;
+ Cmd.DataOffset = 0;
+ Cmd.DataSize = 0;
+ return Cmd;
+}
+
+StringRef MachOObjectFile::getStringTableData() const {
+ macho::SymtabLoadCommand S = getSymtabLoadCommand();
+ return getData().substr(S.StringTableOffset, S.StringTableSize);
+}
+
bool MachOObjectFile::is64Bit() const {
return getType() == getMachOType(false, true) ||
getType() == getMachOType(true, true);
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