[ELF] Avoid unneeded config->isLE and config->wordsize. NFC

Author: MaskRay

lld/ELF/SyntheticSections.cpp

@@ -2769,7 +2769,8 @@ readPubNamesAndTypes(const LLDDwarfObj<ELFT> &obj,
 
   SmallVector<GdbIndexSection::NameAttrEntry, 0> ret;
   for (const LLDDWARFSection *pub : {&pubNames, &pubTypes}) {
-    DWARFDataExtractor data(obj, *pub, config->isLE, config->wordsize);
+    DWARFDataExtractor data(obj, *pub, ELFT::Endianness == endianness::little,
+                            ELFT::Is64Bits ? 8 : 4);
     DWARFDebugPubTable table;
     table.extract(data, /*GnuStyle=*/true, [&](Error e) {
       warn(toString(pub->sec) + ": " + toString(std::move(e)));
@@ -3744,8 +3745,9 @@ template <typename ELFT> void elf::writeEhdr(uint8_t *buf, Partition &part) {
   memcpy(buf, "\177ELF", 4);
 
   auto *eHdr = reinterpret_cast<typename ELFT::Ehdr *>(buf);
-  eHdr->e_ident[EI_CLASS] = config->is64 ? ELFCLASS64 : ELFCLASS32;
-  eHdr->e_ident[EI_DATA] = config->isLE ? ELFDATA2LSB : ELFDATA2MSB;
+  eHdr->e_ident[EI_CLASS] = ELFT::Is64Bits ? ELFCLASS64 : ELFCLASS32;
+  eHdr->e_ident[EI_DATA] =
+      ELFT::Endianness == endianness::little ? ELFDATA2LSB : ELFDATA2MSB;
   eHdr->e_ident[EI_VERSION] = EV_CURRENT;
   eHdr->e_ident[EI_OSABI] = config->osabi;
   eHdr->e_ident[EI_ABIVERSION] = getAbiVersion();