<< " Size: " << (1 << RE.Size) << "\n";
}
+section_iterator
+RuntimeDyldMachO::getSectionByAddress(const MachOObjectFile &Obj,
+ uint64_t Addr) {
+ section_iterator SI = Obj.section_begin();
+ section_iterator SE = Obj.section_end();
+
+ for (; SI != SE; ++SI) {
+ uint64_t SAddr, SSize;
+ SI->getAddress(SAddr);
+ SI->getSize(SSize);
+ if ((Addr >= SAddr) && (Addr < SAddr + SSize))
+ return SI;
+ }
+
+ return SE;
+}
+
+
+// Populate __pointers section.
+void RuntimeDyldMachO::populateIndirectSymbolPointersSection(
+ MachOObjectFile &Obj,
+ const SectionRef &PTSection,
+ unsigned PTSectionID) {
+ assert(!Obj.is64Bit() &&
+ "Pointer table section not supported in 64-bit MachO.");
+
+ MachO::dysymtab_command DySymTabCmd = Obj.getDysymtabLoadCommand();
+ MachO::section Sec32 = Obj.getSection(PTSection.getRawDataRefImpl());
+ uint32_t PTSectionSize = Sec32.size;
+ unsigned FirstIndirectSymbol = Sec32.reserved1;
+ const unsigned PTEntrySize = 4;
+ unsigned NumPTEntries = PTSectionSize / PTEntrySize;
+ unsigned PTEntryOffset = 0;
+
+ assert((PTSectionSize % PTEntrySize) == 0 &&
+ "Pointers section does not contain a whole number of stubs?");
+
+ DEBUG(dbgs() << "Populating pointer table section "
+ << Sections[PTSectionID].Name
+ << ", Section ID " << PTSectionID << ", "
+ << NumPTEntries << " entries, " << PTEntrySize
+ << " bytes each:\n");
+
+ for (unsigned i = 0; i < NumPTEntries; ++i) {
+ unsigned SymbolIndex =
+ Obj.getIndirectSymbolTableEntry(DySymTabCmd, FirstIndirectSymbol + i);
+ symbol_iterator SI = Obj.getSymbolByIndex(SymbolIndex);
+ StringRef IndirectSymbolName;
+ SI->getName(IndirectSymbolName);
+ DEBUG(dbgs() << " " << IndirectSymbolName << ": index " << SymbolIndex
+ << ", PT offset: " << PTEntryOffset << "\n");
+ RelocationEntry RE(PTSectionID, PTEntryOffset,
+ MachO::GENERIC_RELOC_VANILLA, 0, false, 2);
+ addRelocationForSymbol(RE, IndirectSymbolName);
+ PTEntryOffset += PTEntrySize;
+ }
+}
+
bool
RuntimeDyldMachO::isCompatibleFormat(const ObjectBuffer *InputBuffer) const {
if (InputBuffer->getBufferSize() < 4)