[wasm] remove faux code objects

src/arm64/assembler-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
@@ skipping 171 matching lines @@
 Address RelocInfo::wasm_memory_reference() {
   DCHECK(IsWasmMemoryReference(rmode_));
   return Memory::Address_at(Assembler::target_pointer_address_at(pc_));
 }
 
 uint32_t RelocInfo::wasm_memory_size_reference() {
   DCHECK(IsWasmMemorySizeReference(rmode_));
   return Memory::uint32_at(Assembler::target_pointer_address_at(pc_));
 }
 
+uint32_t RelocInfo::wasm_function_index() {
+  DCHECK(IsWasmCall(rmode_));
+  return Memory::uint32_at(Assembler::target_pointer_address_at(pc_));
+}
+
 void RelocInfo::update_wasm_memory_reference(
     Address old_base, Address new_base, uint32_t old_size, uint32_t new_size,
     ICacheFlushMode icache_flush_mode) {
   DCHECK(IsWasmMemoryReference(rmode_) || IsWasmMemorySizeReference(rmode_));
   if (IsWasmMemoryReference(rmode_) && old_base != new_base) {
     Address updated_memory_reference;
     DCHECK(old_base <= wasm_memory_reference() &&
            wasm_memory_reference() < old_base + old_size);
     updated_memory_reference = new_base + (wasm_memory_reference() - old_base);
     DCHECK(new_base <= updated_memory_reference &&
@@ skipping 3037 matching lines @@
   movk(scratch, (target_offset >> 32) & 0xFFFF, 32);
   DCHECK((target_offset >> 48) == 0);
   add(rd, rd, scratch);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64