+ assert(StubSize && "Mach-O stub entry size can't be zero!");
+ StubsSec.getAddress(StubsStart);
+ StubsSec.getSize(StubsCount);
+ StubsCount /= StubSize;
+ }
+ }
+}
+
+StringRef MCMachObjectSymbolizer::findExternalFunctionAt(uint64_t Addr) {
+ // FIXME: also, this can all be done at the very beginning, by iterating over
+ // all stubs and creating the calls to outside functions. Is it worth it
+ // though?
+ if (!StubSize)
+ return StringRef();
+ uint64_t StubIdx = (Addr - StubsStart) / StubSize;
+ if (StubIdx >= StubsCount)
+ return StringRef();
+
+ uint32_t SymtabIdx =
+ MOOF->getIndirectSymbolTableEntry(MOOF->getDysymtabLoadCommand(), StubIdx);
+
+ StringRef SymName;
+ symbol_iterator SI = MOOF->begin_symbols();
+ error_code ec;
+ for (uint32_t i = 0; i != SymtabIdx; ++i) {
+ SI.increment(ec);
+ }
+ 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 '_'!");
+ return SymName.substr(1);
+}
+
+void MCMachObjectSymbolizer::
+tryAddingPcLoadReferenceComment(raw_ostream &cStream, int64_t Value,
+ uint64_t Address) {
+ if (const RelocationRef *R = findRelocationAt(Address)) {
+ const MCExpr *RelExpr = RelInfo->createExprForRelocation(*R);
+ if (!RelExpr || RelExpr->EvaluateAsAbsolute(Value) == false)
+ return;
+ }
+ uint64_t Addr = Value;
+ if (const SectionRef *S = findSectionContaining(Addr)) {
+ StringRef Name; S->getName(Name);
+ uint64_t SAddr; S->getAddress(SAddr);
+ if (Name == "__cstring") {
+ StringRef Contents;
+ S->getContents(Contents);
+ Contents = Contents.substr(Addr - SAddr);
+ cStream << " ## literal pool for: "
+ << Contents.substr(0, Contents.find_first_of(0));