namespace llvm {
-static unsigned char *processFDE(unsigned char *P, intptr_t DeltaForText, intptr_t DeltaForEH) {
- uint32_t Length = *((uint32_t*)P);
+static unsigned char *processFDE(unsigned char *P, intptr_t DeltaForText,
+ intptr_t DeltaForEH) {
+ uint32_t Length = *((uint32_t *)P);
P += 4;
unsigned char *Ret = P + Length;
- uint32_t Offset = *((uint32_t*)P);
+ uint32_t Offset = *((uint32_t *)P);
if (Offset == 0) // is a CIE
return Ret;
P += 4;
- intptr_t FDELocation = *((intptr_t*)P);
+ intptr_t FDELocation = *((intptr_t *)P);
intptr_t NewLocation = FDELocation - DeltaForText;
- *((intptr_t*)P) = NewLocation;
+ *((intptr_t *)P) = NewLocation;
P += sizeof(intptr_t);
// Skip the FDE address range
uint8_t Augmentationsize = *P;
P += 1;
if (Augmentationsize != 0) {
- intptr_t LSDA = *((intptr_t*)P);
+ intptr_t LSDA = *((intptr_t *)P);
intptr_t NewLSDA = LSDA - DeltaForEH;
- *((intptr_t*)P) = NewLSDA;
+ *((intptr_t *)P) = NewLSDA;
}
return Ret;
}
static intptr_t computeDelta(SectionEntry *A, SectionEntry *B) {
- intptr_t ObjDistance = A->ObjAddress - B->ObjAddress;
+ intptr_t ObjDistance = A->ObjAddress - B->ObjAddress;
intptr_t MemDistance = A->LoadAddress - B->LoadAddress;
return ObjDistance - MemDistance;
}
unsigned char *P = EHFrame->Address;
unsigned char *End = P + EHFrame->Size;
- do {
+ do {
P = processFDE(P, DeltaForText, DeltaForEH);
- } while(P != End);
+ } while (P != End);
- MemMgr->registerEHFrames(EHFrame->Address,
- EHFrame->LoadAddress,
+ MemMgr->registerEHFrames(EHFrame->Address, EHFrame->LoadAddress,
EHFrame->Size);
}
UnregisteredEHFrameSections.clear();
else if (Name == "__gcc_except_tab")
ExceptTabSID = i->second;
}
- UnregisteredEHFrameSections.push_back(EHFrameRelatedSections(EHFrameSID,
- TextSID,
- ExceptTabSID));
+ UnregisteredEHFrameSections.push_back(
+ EHFrameRelatedSections(EHFrameSID, TextSID, ExceptTabSID));
}
// The target location for the relocation is described by RE.SectionID and
}
void RuntimeDyldMachO::resolveRelocation(const SectionEntry &Section,
- uint64_t Offset,
- uint64_t Value,
- uint32_t Type,
- int64_t Addend,
- bool isPCRel,
- unsigned LogSize) {
+ uint64_t Offset, uint64_t Value,
+ uint32_t Type, int64_t Addend,
+ bool isPCRel, unsigned LogSize) {
uint8_t *LocalAddress = Section.Address + Offset;
uint64_t FinalAddress = Section.LoadAddress + Offset;
unsigned MachoType = Type;
unsigned Size = 1 << LogSize;
DEBUG(dbgs() << "resolveRelocation LocalAddress: "
- << format("%p", LocalAddress)
- << " FinalAddress: " << format("%p", FinalAddress)
- << " Value: " << format("%p", Value)
- << " Addend: " << Addend
- << " isPCRel: " << isPCRel
- << " MachoType: " << MachoType
- << " Size: " << Size
- << "\n");
+ << format("%p", LocalAddress)
+ << " FinalAddress: " << format("%p", FinalAddress)
+ << " Value: " << format("%p", Value) << " Addend: " << Addend
+ << " isPCRel: " << isPCRel << " MachoType: " << MachoType
+ << " Size: " << Size << "\n");
// This just dispatches to the proper target specific routine.
switch (Arch) {
- default: llvm_unreachable("Unsupported CPU type!");
+ default:
+ llvm_unreachable("Unsupported CPU type!");
case Triple::x86_64:
- resolveX86_64Relocation(LocalAddress,
- FinalAddress,
- (uintptr_t)Value,
- isPCRel,
- MachoType,
- Size,
- Addend);
+ resolveX86_64Relocation(LocalAddress, FinalAddress, (uintptr_t)Value,
+ isPCRel, MachoType, Size, Addend);
break;
case Triple::x86:
- resolveI386Relocation(LocalAddress,
- FinalAddress,
- (uintptr_t)Value,
- isPCRel,
- MachoType,
- Size,
- Addend);
+ resolveI386Relocation(LocalAddress, FinalAddress, (uintptr_t)Value, isPCRel,
+ MachoType, Size, Addend);
break;
- case Triple::arm: // Fall through.
+ case Triple::arm: // Fall through.
case Triple::thumb:
- resolveARMRelocation(LocalAddress,
- FinalAddress,
- (uintptr_t)Value,
- isPCRel,
- MachoType,
- Size,
- Addend);
+ resolveARMRelocation(LocalAddress, FinalAddress, (uintptr_t)Value, isPCRel,
+ MachoType, Size, Addend);
break;
}
}
bool RuntimeDyldMachO::resolveI386Relocation(uint8_t *LocalAddress,
uint64_t FinalAddress,
- uint64_t Value,
- bool isPCRel,
- unsigned Type,
- unsigned Size,
+ uint64_t Value, bool isPCRel,
+ unsigned Type, unsigned Size,
int64_t Addend) {
if (isPCRel)
Value -= FinalAddress + 4; // see resolveX86_64Relocation
bool RuntimeDyldMachO::resolveX86_64Relocation(uint8_t *LocalAddress,
uint64_t FinalAddress,
- uint64_t Value,
- bool isPCRel,
- unsigned Type,
- unsigned Size,
+ uint64_t Value, bool isPCRel,
+ unsigned Type, unsigned Size,
int64_t Addend) {
// If the relocation is PC-relative, the value to be encoded is the
// pointer difference.
// address. Is that expected? Only for branches, perhaps?
Value -= FinalAddress + 4;
- switch(Type) {
+ switch (Type) {
default:
llvm_unreachable("Invalid relocation type!");
case MachO::X86_64_RELOC_SIGNED_1:
Value += Addend;
// Mask in the target value a byte at a time (we don't have an alignment
// guarantee for the target address, so this is safest).
- uint8_t *p = (uint8_t*)LocalAddress;
+ uint8_t *p = (uint8_t *)LocalAddress;
for (unsigned i = 0; i < Size; ++i) {
*p++ = (uint8_t)Value;
Value >>= 8;
bool RuntimeDyldMachO::resolveARMRelocation(uint8_t *LocalAddress,
uint64_t FinalAddress,
- uint64_t Value,
- bool isPCRel,
- unsigned Type,
- unsigned Size,
+ uint64_t Value, bool isPCRel,
+ unsigned Type, unsigned Size,
int64_t Addend) {
// If the relocation is PC-relative, the value to be encoded is the
// pointer difference.
Value -= 8;
}
- switch(Type) {
+ switch (Type) {
default:
llvm_unreachable("Invalid relocation type!");
case MachO::ARM_RELOC_VANILLA: {
// Mask in the target value a byte at a time (we don't have an alignment
// guarantee for the target address, so this is safest).
- uint8_t *p = (uint8_t*)LocalAddress;
+ uint8_t *p = (uint8_t *)LocalAddress;
for (unsigned i = 0; i < Size; ++i) {
*p++ = (uint8_t)Value;
Value >>= 8;
case MachO::ARM_RELOC_BR24: {
// Mask the value into the target address. We know instructions are
// 32-bit aligned, so we can do it all at once.
- uint32_t *p = (uint32_t*)LocalAddress;
+ uint32_t *p = (uint32_t *)LocalAddress;
// The low two bits of the value are not encoded.
Value >>= 2;
// Mask the value to 24 bits.
return false;
}
-relocation_iterator
-RuntimeDyldMachO::processRelocationRef(unsigned SectionID,
- relocation_iterator RelI,
- ObjectImage &Obj,
- ObjSectionToIDMap &ObjSectionToID,
- const SymbolTableMap &Symbols,
- StubMap &Stubs) {
+relocation_iterator RuntimeDyldMachO::processRelocationRef(
+ unsigned SectionID, relocation_iterator RelI, ObjectImage &Obj,
+ ObjSectionToIDMap &ObjSectionToID, const SymbolTableMap &Symbols,
+ StubMap &Stubs) {
const ObjectFile *OF = Obj.getObjectFile();
- const MachOObjectFile *MachO = static_cast<const MachOObjectFile*>(OF);
+ const MachOObjectFile *MachO = static_cast<const MachOObjectFile *>(OF);
MachO::any_relocation_info RE =
- MachO->getRelocation(RelI->getRawDataRefImpl());
+ MachO->getRelocation(RelI->getRawDataRefImpl());
uint32_t RelType = MachO->getAnyRelocationType(RE);
Value.Addend = lsi->second.second + Addend;
} else {
// Search for the symbol in the global symbol table
- SymbolTableMap::const_iterator gsi = GlobalSymbolTable.find(TargetName.data());
+ SymbolTableMap::const_iterator gsi =
+ GlobalSymbolTable.find(TargetName.data());
if (gsi != GlobalSymbolTable.end()) {
Value.SectionID = gsi->second.first;
Value.Addend = gsi->second.second + Addend;
}
resolveRelocation(Section, Offset, (uint64_t)Addr,
MachO::X86_64_RELOC_UNSIGNED, Value.Addend, true, 2);
- } else if (Arch == Triple::arm &&
- (RelType & 0xf) == MachO::ARM_RELOC_BR24) {
+ } else if (Arch == Triple::arm && (RelType & 0xf) == MachO::ARM_RELOC_BR24) {
// This is an ARM branch relocation, need to use a stub function.
// Look up for existing stub.
StubMap::const_iterator i = Stubs.find(Value);
if (i != Stubs.end())
- resolveRelocation(Section, Offset,
- (uint64_t)Section.Address + i->second,
+ resolveRelocation(Section, Offset, (uint64_t)Section.Address + i->second,
RelType, 0, IsPCRel, Size);
else {
// Create a new stub function.
Stubs[Value] = Section.StubOffset;
- uint8_t *StubTargetAddr = createStubFunction(Section.Address +
- Section.StubOffset);
+ uint8_t *StubTargetAddr =
+ createStubFunction(Section.Address + Section.StubOffset);
RelocationEntry RE(SectionID, StubTargetAddr - Section.Address,
MachO::GENERIC_RELOC_VANILLA, Value.Addend);
if (Value.SymbolName)
else
addRelocationForSection(RE, Value.SectionID);
resolveRelocation(Section, Offset,
- (uint64_t)Section.Address + Section.StubOffset,
- RelType, 0, IsPCRel, Size);
+ (uint64_t)Section.Address + Section.StubOffset, RelType,
+ 0, IsPCRel, Size);
Section.StubOffset += getMaxStubSize();
}
} else {
- RelocationEntry RE(SectionID, Offset, RelType, Value.Addend,
- IsPCRel, Size);
+ RelocationEntry RE(SectionID, Offset, RelType, Value.Addend, IsPCRel, Size);
if (Value.SymbolName)
addRelocationForSymbol(RE, Value.SymbolName);
else
return ++RelI;
}
-
-bool RuntimeDyldMachO::isCompatibleFormat(
- const ObjectBuffer *InputBuffer) const {
+bool
+RuntimeDyldMachO::isCompatibleFormat(const ObjectBuffer *InputBuffer) const {
if (InputBuffer->getBufferSize() < 4)
return false;
StringRef Magic(InputBuffer->getBufferStart(), 4);
- if (Magic == "\xFE\xED\xFA\xCE") return true;
- if (Magic == "\xCE\xFA\xED\xFE") return true;
- if (Magic == "\xFE\xED\xFA\xCF") return true;
- if (Magic == "\xCF\xFA\xED\xFE") return true;
+ if (Magic == "\xFE\xED\xFA\xCE")
+ return true;
+ if (Magic == "\xCE\xFA\xED\xFE")
+ return true;
+ if (Magic == "\xFE\xED\xFA\xCF")
+ return true;
+ if (Magic == "\xCF\xFA\xED\xFE")
+ return true;
return false;
}
-bool RuntimeDyldMachO::isCompatibleFile(
- const object::ObjectFile *Obj) const {
+bool RuntimeDyldMachO::isCompatibleFile(const object::ObjectFile *Obj) const {
return Obj->isMachO();
}
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