src/cpu/arm/vm/interp_masm_arm.cpp

*** 296,315 ****
    assert_different_registers(result, index);
    get_constant_pool(result);
  
    Register cache = result;
    // load pointer for resolved_references[] objArray
!   ldr(cache, Address(result, ConstantPool::resolved_references_offset_in_bytes()));
    // JNIHandles::resolve(result)
    ldr(cache, Address(cache, 0));
    // Add in the index
    // convert from field index to resolved_references() index and from
    // word index to byte offset. Since this is a java object, it can be compressed
    add(cache, cache, AsmOperand(index, lsl, LogBytesPerHeapOop));
    load_heap_oop(result, Address(cache, arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
  }
  
  // Generate a subtype check: branch to not_subtype if sub_klass is
  // not a subtype of super_klass.
  // Profiling code for the subtype check failure (profile_typecheck_failed)
  // should be explicitly generated by the caller in the not_subtype case.
  // Blows Rtemp, tmp1, tmp2.
--- 296,325 ----
    assert_different_registers(result, index);
    get_constant_pool(result);
  
    Register cache = result;
    // load pointer for resolved_references[] objArray
!   ldr(cache, Address(result, ConstantPool::cache_offset_in_bytes()));
!   ldr(cache, Address(result, ConstantPoolCache::resolved_references_offset_in_bytes()));
    // JNIHandles::resolve(result)
    ldr(cache, Address(cache, 0));
    // Add in the index
    // convert from field index to resolved_references() index and from
    // word index to byte offset. Since this is a java object, it can be compressed
    add(cache, cache, AsmOperand(index, lsl, LogBytesPerHeapOop));
    load_heap_oop(result, Address(cache, arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
  }
  
+ void InterpreterMacroAssembler::load_resolved_klass_at_offset(
+                                            Register Rcpool, Register Rindex, Register Rklass) {
+   add(Rtemp, Rcpool, AsmOperand(Rindex, lsl, LogBytesPerWord));
+   ldrh(Rtemp, Address(Rtemp, sizeof(ConstantPool))); // Rtemp = resolved_klass_index
+   ldr(Rklass, Address(Rcpool,  ConstantPool::resolved_klasses_offset_in_bytes())); // Rklass = cpool->_resolved_klasses
+   add(Rklass, Rklass, AsmOperand(Rtemp, lsl, LogBytesPerWord));
+   ldr(Rklass, Address(Rklass, Array<Klass*>::base_offset_in_bytes()));
+ }
+ 
  // Generate a subtype check: branch to not_subtype if sub_klass is
  // not a subtype of super_klass.
  // Profiling code for the subtype check failure (profile_typecheck_failed)
  // should be explicitly generated by the caller in the not_subtype case.
  // Blows Rtemp, tmp1, tmp2.