Symb.p += SymbolTableEntrySize;
}
-std::error_code MachOObjectFile::getSymbolName(DataRefImpl Symb,
- StringRef &Res) const {
+ErrorOr<StringRef> MachOObjectFile::getSymbolName(DataRefImpl Symb) const {
StringRef StringTable = getStringTableData();
MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
const char *Start = &StringTable.data()[Entry.n_strx];
if (Start < getData().begin() || Start >= getData().end())
report_fatal_error(
"Symbol name entry points before beginning or past end of file.");
- Res = StringRef(Start);
- return std::error_code();
+ return StringRef(Start);
}
unsigned MachOObjectFile::getSectionType(SectionRef Sec) const {
return std::error_code();
}
-uint64_t MachOObjectFile::getSymbolValue(DataRefImpl Sym) const {
- uint64_t NValue = getNValue(Sym);
- MachO::nlist_base Entry = getSymbolTableEntryBase(this, Sym);
- if ((Entry.n_type & MachO::N_TYPE) == MachO::N_UNDF && NValue == 0)
- return UnknownAddress;
- return NValue;
+uint64_t MachOObjectFile::getSymbolValueImpl(DataRefImpl Sym) const {
+ return getNValue(Sym);
}
-std::error_code MachOObjectFile::getSymbolAddress(DataRefImpl Sym,
- uint64_t &Res) const {
- Res = getSymbolValue(Sym);
- return std::error_code();
+ErrorOr<uint64_t> MachOObjectFile::getSymbolAddress(DataRefImpl Sym) const {
+ return getSymbolValue(Sym);
}
uint32_t MachOObjectFile::getSymbolAlignment(DataRefImpl DRI) const {
}
uint64_t MachOObjectFile::getCommonSymbolSizeImpl(DataRefImpl DRI) const {
- uint64_t Value;
- getSymbolAddress(DRI, Value);
- return Value;
+ return getNValue(DRI);
}
SymbolRef::Type MachOObjectFile::getSymbolType(DataRefImpl Symb) const {
uint32_t Result = SymbolRef::SF_None;
- if ((MachOType & MachO::N_TYPE) == MachO::N_UNDF)
- Result |= SymbolRef::SF_Undefined;
-
if ((MachOType & MachO::N_TYPE) == MachO::N_INDR)
Result |= SymbolRef::SF_Indirect;
if (MachOType & MachO::N_EXT) {
Result |= SymbolRef::SF_Global;
if ((MachOType & MachO::N_TYPE) == MachO::N_UNDF) {
- uint64_t Value;
- getSymbolAddress(DRI, Value);
- if (Value && Value != UnknownAddress)
+ if (getNValue(DRI))
Result |= SymbolRef::SF_Common;
+ else
+ Result |= SymbolRef::SF_Undefined;
}
if (!(MachOType & MachO::N_PEXT))
return Result;
}
-std::error_code MachOObjectFile::getSymbolSection(DataRefImpl Symb,
- section_iterator &Res) const {
+ErrorOr<section_iterator>
+MachOObjectFile::getSymbolSection(DataRefImpl Symb) const {
MachO::nlist_base Entry = getSymbolTableEntryBase(this, Symb);
uint8_t index = Entry.n_sect;
- if (index == 0) {
- Res = section_end();
- } else {
- DataRefImpl DRI;
- DRI.d.a = index - 1;
- if (DRI.d.a >= Sections.size())
- report_fatal_error("getSymbolSection: Invalid section index.");
- Res = section_iterator(SectionRef(DRI, this));
- }
-
- return std::error_code();
+ if (index == 0)
+ return section_end();
+ DataRefImpl DRI;
+ DRI.d.a = index - 1;
+ if (DRI.d.a >= Sections.size())
+ report_fatal_error("getSymbolSection: Invalid section index.");
+ return section_iterator(SectionRef(DRI, this));
}
unsigned MachOObjectFile::getSymbolSectionID(SymbolRef Sym) const {
return false;
}
-bool MachOObjectFile::sectionContainsSymbol(DataRefImpl Sec,
- DataRefImpl Symb) const {
- SymbolRef::Type ST = getSymbolType(Symb);
- if (ST == SymbolRef::ST_Unknown)
- return false;
-
- uint64_t SectBegin = getSectionAddress(Sec);
- uint64_t SectEnd = getSectionSize(Sec);
- SectEnd += SectBegin;
-
- uint64_t SymAddr;
- getSymbolAddress(Symb, SymAddr);
- return (SymAddr >= SectBegin) && (SymAddr < SectEnd);
-}
-
relocation_iterator MachOObjectFile::section_rel_begin(DataRefImpl Sec) const {
DataRefImpl Ret;
Ret.d.a = Sec.d.a;
++Rel.d.b;
}
-std::error_code MachOObjectFile::getRelocationAddress(DataRefImpl Rel,
- uint64_t &Res) const {
- uint64_t Offset = getRelocationOffset(Rel);
-
- DataRefImpl Sec;
- Sec.d.a = Rel.d.a;
- uint64_t SecAddress = getSectionAddress(Sec);
- Res = SecAddress + Offset;
- return std::error_code();
-}
-
uint64_t MachOObjectFile::getRelocationOffset(DataRefImpl Rel) const {
assert(getHeader().filetype == MachO::MH_OBJECT &&
"Only implemented for MH_OBJECT");
return std::error_code();
}
+section_iterator
+MachOObjectFile::getRelocationRelocatedSection(relocation_iterator Rel) const {
+ DataRefImpl Sec;
+ Sec.d.a = Rel->getRawDataRefImpl().d.a;
+ return section_iterator(SectionRef(Sec, this));
+}
+
basic_symbol_iterator MachOObjectFile::symbol_begin_impl() const {
return getSymbolByIndex(0);
}
return dice_iterator(DiceRef(DRI, this));
}
-ExportEntry::ExportEntry(ArrayRef<uint8_t> T)
- : Trie(T), Malformed(false), Done(false) { }
+ExportEntry::ExportEntry(ArrayRef<uint8_t> T)
+ : Trie(T), Malformed(false), Done(false) {}
void ExportEntry::moveToFirst() {
pushNode(0);
}
bool ExportEntry::operator==(const ExportEntry &Other) const {
- // Common case, one at end, other iterating from begin.
+ // Common case, one at end, other iterating from begin.
if (Done || Other.Done)
return (Done == Other.Done);
// Not equal if different stack sizes.
return Stack.back().Start - Trie.begin();
}
-ExportEntry::NodeState::NodeState(const uint8_t *Ptr)
- : Start(Ptr), Current(Ptr), Flags(0), Address(0), Other(0),
- ImportName(nullptr), ChildCount(0), NextChildIndex(0),
- ParentStringLength(0), IsExportNode(false) {
-}
+ExportEntry::NodeState::NodeState(const uint8_t *Ptr)
+ : Start(Ptr), Current(Ptr), Flags(0), Address(0), Other(0),
+ ImportName(nullptr), ChildCount(0), NextChildIndex(0),
+ ParentStringLength(0), IsExportNode(false) {}
void ExportEntry::pushNode(uint64_t offset) {
const uint8_t *Ptr = Trie.begin() + offset;
//
// There is one "export" node for each exported symbol. But because some
// symbols may be a prefix of another symbol (e.g. _dup and _dup2), an export
-// node may have child nodes too.
+// node may have child nodes too.
//
// The algorithm for moveNext() is to keep moving down the leftmost unvisited
// child until hitting a node with no children (which is an export node or
return rebaseTable(getDyldInfoRebaseOpcodes(), is64Bit());
}
-
-MachOBindEntry::MachOBindEntry(ArrayRef<uint8_t> Bytes, bool is64Bit,
- Kind BK)
+MachOBindEntry::MachOBindEntry(ArrayRef<uint8_t> Bytes, bool is64Bit, Kind BK)
: Opcodes(Bytes), Ptr(Bytes.begin()), SegmentOffset(0), SegmentIndex(0),
Ordinal(0), Flags(0), Addend(0), RemainingLoopCount(0), AdvanceAmount(0),
BindType(0), PointerSize(is64Bit ? 8 : 4),
ArrayRef<uint8_t> MachOObjectFile::getDyldInfoRebaseOpcodes() const {
if (!DyldInfoLoadCmd)
- return ArrayRef<uint8_t>();
+ return None;
- MachO::dyld_info_command DyldInfo
- = getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
- const uint8_t *Ptr = reinterpret_cast<const uint8_t*>(
- getPtr(this, DyldInfo.rebase_off));
- return ArrayRef<uint8_t>(Ptr, DyldInfo.rebase_size);
+ MachO::dyld_info_command DyldInfo =
+ getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
+ const uint8_t *Ptr =
+ reinterpret_cast<const uint8_t *>(getPtr(this, DyldInfo.rebase_off));
+ return makeArrayRef(Ptr, DyldInfo.rebase_size);
}
ArrayRef<uint8_t> MachOObjectFile::getDyldInfoBindOpcodes() const {
if (!DyldInfoLoadCmd)
- return ArrayRef<uint8_t>();
+ return None;
- MachO::dyld_info_command DyldInfo
- = getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
- const uint8_t *Ptr = reinterpret_cast<const uint8_t*>(
- getPtr(this, DyldInfo.bind_off));
- return ArrayRef<uint8_t>(Ptr, DyldInfo.bind_size);
+ MachO::dyld_info_command DyldInfo =
+ getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
+ const uint8_t *Ptr =
+ reinterpret_cast<const uint8_t *>(getPtr(this, DyldInfo.bind_off));
+ return makeArrayRef(Ptr, DyldInfo.bind_size);
}
ArrayRef<uint8_t> MachOObjectFile::getDyldInfoWeakBindOpcodes() const {
if (!DyldInfoLoadCmd)
- return ArrayRef<uint8_t>();
+ return None;
- MachO::dyld_info_command DyldInfo
- = getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
- const uint8_t *Ptr = reinterpret_cast<const uint8_t*>(
- getPtr(this, DyldInfo.weak_bind_off));
- return ArrayRef<uint8_t>(Ptr, DyldInfo.weak_bind_size);
+ MachO::dyld_info_command DyldInfo =
+ getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
+ const uint8_t *Ptr =
+ reinterpret_cast<const uint8_t *>(getPtr(this, DyldInfo.weak_bind_off));
+ return makeArrayRef(Ptr, DyldInfo.weak_bind_size);
}
ArrayRef<uint8_t> MachOObjectFile::getDyldInfoLazyBindOpcodes() const {
if (!DyldInfoLoadCmd)
- return ArrayRef<uint8_t>();
+ return None;
- MachO::dyld_info_command DyldInfo
- = getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
- const uint8_t *Ptr = reinterpret_cast<const uint8_t*>(
- getPtr(this, DyldInfo.lazy_bind_off));
- return ArrayRef<uint8_t>(Ptr, DyldInfo.lazy_bind_size);
+ MachO::dyld_info_command DyldInfo =
+ getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
+ const uint8_t *Ptr =
+ reinterpret_cast<const uint8_t *>(getPtr(this, DyldInfo.lazy_bind_off));
+ return makeArrayRef(Ptr, DyldInfo.lazy_bind_size);
}
ArrayRef<uint8_t> MachOObjectFile::getDyldInfoExportsTrie() const {
if (!DyldInfoLoadCmd)
- return ArrayRef<uint8_t>();
+ return None;
- MachO::dyld_info_command DyldInfo
- = getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
- const uint8_t *Ptr = reinterpret_cast<const uint8_t*>(
- getPtr(this, DyldInfo.export_off));
- return ArrayRef<uint8_t>(Ptr, DyldInfo.export_size);
+ MachO::dyld_info_command DyldInfo =
+ getStruct<MachO::dyld_info_command>(this, DyldInfoLoadCmd);
+ const uint8_t *Ptr =
+ reinterpret_cast<const uint8_t *>(getPtr(this, DyldInfo.export_off));
+ return makeArrayRef(Ptr, DyldInfo.export_size);
}
ArrayRef<uint8_t> MachOObjectFile::getUuid() const {
if (!UuidLoadCmd)
- return ArrayRef<uint8_t>();
+ return None;
// Returning a pointer is fine as uuid doesn't need endian swapping.
const char *Ptr = UuidLoadCmd + offsetof(MachO::uuid_command, uuid);
- return ArrayRef<uint8_t>(reinterpret_cast<const uint8_t *>(Ptr), 16);
+ return makeArrayRef(reinterpret_cast<const uint8_t *>(Ptr), 16);
}
StringRef MachOObjectFile::getStringTableData() const {
projects / oota-llvm.git / blobdiff