--- /dev/null	2021-01-19 17:38:25.908523431 +0000
+++ new/src/cpu/aarch64/vm/relocInfo_aarch64.cpp	2021-01-25 19:31:55.034668794 +0000
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2013, Red Hat Inc.
+ * Copyright (c) 1998, 2011, Oracle and/or its affiliates.
+ * All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "asm/macroAssembler.hpp"
+#include "code/relocInfo.hpp"
+#include "nativeInst_aarch64.hpp"
+#include "oops/oop.inline.hpp"
+#include "runtime/safepoint.hpp"
+
+
+void Relocation::pd_set_data_value(address x, intptr_t o, bool verify_only) {
+  if (verify_only)
+    return;
+
+  int bytes;
+
+  switch(type()) {
+  case relocInfo::oop_type:
+    {
+      oop_Relocation *reloc = (oop_Relocation *)this;
+      if (NativeInstruction::is_ldr_literal_at(addr())) {
+	address constptr = (address)code()->oop_addr_at(reloc->oop_index());
+	bytes = MacroAssembler::pd_patch_instruction_size(addr(), constptr);
+	assert(*(address*)constptr == x, "error in oop relocation");
+      } else{
+	bytes = MacroAssembler::patch_oop(addr(), x);
+      }
+    }
+    break;
+  default:
+    bytes = MacroAssembler::pd_patch_instruction_size(addr(), x);
+    break;
+  }
+  ICache::invalidate_range(addr(), bytes);
+}
+
+address Relocation::pd_call_destination(address orig_addr) {
+  assert(is_call(), "should be a call here");
+  if (NativeCall::is_call_at(addr())) {
+    address trampoline = nativeCall_at(addr())->get_trampoline();
+    if (trampoline) {
+      return nativeCallTrampolineStub_at(trampoline)->destination();
+    }
+  }
+  if (orig_addr != NULL) {
+    address new_addr = MacroAssembler::pd_call_destination(orig_addr);
+    // If call is branch to self, don't try to relocate it, just leave it
+    // as branch to self. This happens during code generation if the code
+    // buffer expands. It will be relocated to the trampoline above once
+    // code generation is complete.
+    new_addr = (new_addr == orig_addr) ? addr() : new_addr;
+    return new_addr;
+  }
+  return MacroAssembler::pd_call_destination(addr());
+}
+
+
+void Relocation::pd_set_call_destination(address x) {
+  assert(is_call(), "should be a call here");
+  if (NativeCall::is_call_at(addr())) {
+    address trampoline = nativeCall_at(addr())->get_trampoline();
+    if (trampoline) {
+      nativeCall_at(addr())->set_destination_mt_safe(x, /* assert_lock */false);
+      return;
+    }
+  }
+  MacroAssembler::pd_patch_instruction(addr(), x);
+  assert(pd_call_destination(addr()) == x, "fail in reloc");
+}
+
+address* Relocation::pd_address_in_code() {
+  return (address*)(addr() + 8);
+}
+
+
+address Relocation::pd_get_address_from_code() {
+  return MacroAssembler::pd_call_destination(addr());
+}
+
+void poll_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest) {
+  if (NativeInstruction::maybe_cpool_ref(addr())) {
+    address old_addr = old_addr_for(addr(), src, dest);
+    MacroAssembler::pd_patch_instruction(addr(), MacroAssembler::target_addr_for_insn(old_addr));
+  }
+}
+
+void poll_return_Relocation::fix_relocation_after_move(const CodeBuffer* src, CodeBuffer* dest)  {
+  if (NativeInstruction::maybe_cpool_ref(addr())) {
+    address old_addr = old_addr_for(addr(), src, dest);
+    MacroAssembler::pd_patch_instruction(addr(), MacroAssembler::target_addr_for_insn(old_addr));
+  }
+}
+
+void metadata_Relocation::pd_fix_value(address x) {
+}