src/cpu/x86/vm/methodHandles_x86.cpp

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2012, 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.
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2013, 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.
*** 112,121 ****
--- 112,126 ----
  #endif //ASSERT
  
  void MethodHandles::jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp,
                                              bool for_compiler_entry) {
    assert(method == rbx, "interpreter calling convention");
+ 
+   // Label no_such_method;
+   // __ testptr(rbx, rbx);
+   // __ jcc(Assembler::zero, no_such_method);
+ 
    __ verify_method_ptr(method);
  
    if (!for_compiler_entry && JvmtiExport::can_post_interpreter_events()) {
      Label run_compiled_code;
      // JVMTI events, such as single-stepping, are implemented partly by avoiding running
*** 125,145 ****
--- 130,155 ----
      Register rthread = r15_thread;
  #else
      Register rthread = temp;
      __ get_thread(rthread);
  #endif
+ 
      // interp_only is an int, on little endian it is sufficient to test the byte only
      // Is a cmpl faster?
      __ cmpb(Address(rthread, JavaThread::interp_only_mode_offset()), 0);
      __ jccb(Assembler::zero, run_compiled_code);
+ 
      __ jmp(Address(method, Method::interpreter_entry_offset()));
      __ BIND(run_compiled_code);
    }
  
    const ByteSize entry_offset = for_compiler_entry ? Method::from_compiled_offset() :
                                                       Method::from_interpreted_offset();
    __ jmp(Address(method, entry_offset));
+ 
+   // __ bind(no_such_method);
+   // __ jump(RuntimeAddress(StubRoutines::throw_AbstractMethodError_entry()));
  }
  
  void MethodHandles::jump_to_lambda_form(MacroAssembler* _masm,
                                          Register recv, Register method_temp,
                                          Register temp2,