diff a/src/hotspot/cpu/arm/sharedRuntime_arm.cpp b/src/hotspot/cpu/arm/sharedRuntime_arm.cpp
--- a/src/hotspot/cpu/arm/sharedRuntime_arm.cpp
+++ b/src/hotspot/cpu/arm/sharedRuntime_arm.cpp
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2008, 2026, 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.
@@ -462,13 +462,12 @@
   __ pop(RegisterSet(R0, R3) | R9 | LR);
 
   __ bind(skip);
 }
 
-void SharedRuntime::gen_i2c_adapter(MacroAssembler *masm,
-                                    int total_args_passed, int comp_args_on_stack,
-                                    const BasicType *sig_bt, const VMRegPair *regs) {
+void SharedRuntime::gen_i2c_adapter(MacroAssembler *masm, int comp_args_on_stack, const GrowableArray<SigEntry>* sig, const VMRegPair *regs) {
+
   // TODO: ARM - May be can use ldm to load arguments
   const Register tmp = Rtemp; // avoid erasing R5_mh
 
   // Next assert may not be needed but safer. Extra analysis required
   // if this there is not enough free registers and we need to use R5 here.
@@ -499,13 +498,15 @@
   if (comp_args_on_stack) {
     __ sub_slow(SP, SP, comp_args_on_stack * VMRegImpl::stack_slot_size);
   }
   __ bic(SP, SP, StackAlignmentInBytes - 1);
 
+  int total_args_passed = sig->length();
   for (int i = 0; i < total_args_passed; i++) {
-    if (sig_bt[i] == T_VOID) {
-      assert(i > 0 && (sig_bt[i-1] == T_LONG || sig_bt[i-1] == T_DOUBLE), "missing half");
+    BasicType bt = sig->at(i)._bt;
+    if (bt == T_VOID) {
+      assert(i > 0 && (sig->at(i - 1)._bt == T_LONG || sig->at(i - 1)._bt == T_DOUBLE), "missing half");
       continue;
     }
     assert(!regs[i].second()->is_valid() || regs[i].first()->next() == regs[i].second(), "must be ordered");
     int arg_offset = Interpreter::expr_offset_in_bytes(total_args_passed - 1 - i);
 
@@ -547,31 +548,31 @@
   __ ldr(Rmethod, callee_target_addr);
   __ ldr(PC, Address(Rmethod, Method::from_compiled_offset()));
 
 }
 
-static void gen_c2i_adapter(MacroAssembler *masm,
-                            int total_args_passed,  int comp_args_on_stack,
-                            const BasicType *sig_bt, const VMRegPair *regs,
+static void gen_c2i_adapter(MacroAssembler *masm, int comp_args_on_stack, const GrowableArray<SigEntry>* sig, const VMRegPair *regs,
                             Label& skip_fixup) {
   // TODO: ARM - May be can use stm to deoptimize arguments
   const Register tmp = Rtemp;
 
   patch_callers_callsite(masm);
   __ bind(skip_fixup);
 
   __ mov(Rsender_sp, SP); // not yet saved
 
 
+  int total_args_passed = sig->length();
   int extraspace = total_args_passed * Interpreter::stackElementSize;
   if (extraspace) {
     __ sub_slow(SP, SP, extraspace);
   }
 
   for (int i = 0; i < total_args_passed; i++) {
-    if (sig_bt[i] == T_VOID) {
-      assert(i > 0 && (sig_bt[i-1] == T_LONG || sig_bt[i-1] == T_DOUBLE), "missing half");
+    BasicType bt = sig->at(i)._bt;
+    if (bt == T_VOID) {
+      assert(i > 0 && (sig->at(i - 1)._bt == T_LONG || sig->at(i - 1)._bt == T_DOUBLE), "missing half");
       continue;
     }
     int stack_offset = (total_args_passed - 1 - i) * Interpreter::stackElementSize;
 
     VMReg r_1 = regs[i].first();
@@ -610,18 +611,24 @@
 
   __ ldr(PC, Address(Rmethod, Method::interpreter_entry_offset()));
 
 }
 
-void SharedRuntime::generate_i2c2i_adapters(MacroAssembler *masm,
-                                            int total_args_passed,
+void SharedRuntime::generate_i2c2i_adapters(MacroAssembler* masm,
                                             int comp_args_on_stack,
-                                            const BasicType *sig_bt,
-                                            const VMRegPair *regs,
-                                            address entry_address[AdapterBlob::ENTRY_COUNT]) {
+                                            const GrowableArray<SigEntry>* sig,
+                                            const VMRegPair* regs,
+                                            const GrowableArray<SigEntry>* sig_cc,
+                                            const VMRegPair* regs_cc,
+                                            const GrowableArray<SigEntry>* sig_cc_ro,
+                                            const VMRegPair* regs_cc_ro,
+                                            address entry_address[AdapterBlob::ENTRY_COUNT],
+                                            AdapterBlob*& new_adapter,
+                                            bool allocate_code_blob) {
+
   entry_address[AdapterBlob::I2C] = __ pc();
-  gen_i2c_adapter(masm, total_args_passed, comp_args_on_stack, sig_bt, regs);
+  gen_i2c_adapter(masm, comp_args_on_stack, sig, regs);
 
   entry_address[AdapterBlob::C2I_Unverified] = __ pc();
   Label skip_fixup;
   const Register receiver       = R0;
   const Register holder_klass   = Rtemp; // XXX should be OK for C2 but not 100% sure
@@ -634,11 +641,11 @@
   __ b(skip_fixup, eq);
   __ jump(SharedRuntime::get_ic_miss_stub(), relocInfo::runtime_call_type, noreg, ne);
 
   entry_address[AdapterBlob::C2I] = __ pc();
   entry_address[AdapterBlob::C2I_No_Clinit_Check] = nullptr;
-  gen_c2i_adapter(masm, total_args_passed, comp_args_on_stack, sig_bt, regs, skip_fixup);
+  gen_c2i_adapter(masm, comp_args_on_stack, sig, regs, skip_fixup);
   return;
 }
 
 
 static int reg2offset_in(VMReg r) {
@@ -1841,5 +1848,18 @@
                                   false);
   return stub;
 }
 
 #endif // INCLUDE_JFR
+
+const uint SharedRuntime::java_return_convention_max_int = 0; // Argument::n_int_register_parameters_j;
+const uint SharedRuntime::java_return_convention_max_float = 0; // Argument::n_float_register_parameters_j;
+
+int SharedRuntime::java_return_convention(const BasicType *sig_bt, VMRegPair *regs, int total_args_passed) {
+  Unimplemented();
+  return 0;
+}
+
+BufferedInlineTypeBlob* SharedRuntime::generate_buffered_inline_type_adapter(const InlineKlass* vk) {
+  Unimplemented();
+  return nullptr;
+}