std::error_code getExportRVA(uint32_t &Result) const;
std::error_code getSymbolName(StringRef &Result) const;
+ std::error_code isForwarder(bool &Result) const;
+ std::error_code getForwardTo(StringRef &Result) const;
+
private:
const export_directory_table_entry *ExportTable;
uint32_t Index;
return std::error_code();
}
+std::error_code ExportDirectoryEntryRef::isForwarder(bool &Result) const {
+ const data_directory *DataEntry;
+ if (auto EC = OwningObject->getDataDirectory(COFF::EXPORT_TABLE, DataEntry))
+ return EC;
+ uint32_t RVA;
+ if (auto EC = getExportRVA(RVA))
+ return EC;
+ uint32_t Begin = DataEntry->RelativeVirtualAddress;
+ uint32_t End = DataEntry->RelativeVirtualAddress + DataEntry->Size;
+ Result = (Begin <= RVA && RVA < End);
+ return std::error_code();
+}
+
+std::error_code ExportDirectoryEntryRef::getForwardTo(StringRef &Result) const {
+ uint32_t RVA;
+ if (auto EC = getExportRVA(RVA))
+ return EC;
+ uintptr_t IntPtr = 0;
+ if (auto EC = OwningObject->getRvaPtr(RVA, IntPtr))
+ return EC;
+ Result = StringRef(reinterpret_cast<const char *>(IntPtr));
+ return std::error_code();
+}
+
bool ImportedSymbolRef::
operator==(const ImportedSymbolRef &Other) const {
return Entry32 == Other.Entry32 && Entry64 == Other.Entry64
uint32_t RVA;
if (I->getExportRVA(RVA))
return;
- outs() << format(" % 4d %# 8x", Ordinal, RVA);
+ bool IsForwarder;
+ if (I->isForwarder(IsForwarder))
+ return;
+
+ if (IsForwarder) {
+ // Export table entries can be used to re-export symbols that
+ // this COFF file is imported from some DLLs. This is rare.
+ // In most cases IsForwarder is false.
+ outs() << format(" % 4d ", Ordinal);
+ } else {
+ outs() << format(" % 4d %# 8x", Ordinal, RVA);
+ }
StringRef Name;
if (I->getSymbolName(Name))
continue;
if (!Name.empty())
outs() << " " << Name;
+ if (IsForwarder) {
+ StringRef S;
+ if (I->getForwardTo(S))
+ return;
+ outs() << " (forwarded to " << S << ")";
+ }
outs() << "\n";
}
}