1/*
2 * Copyright (c) 2002, 2015, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2015 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26// Platform-specific definitions for method handles.
27// These definitions are inlined into class MethodHandles.
28
29// Adapters
30enum /* platform_dependent_constants */ {
31  adapter_code_size = NOT_LP64(16000 DEBUG_ONLY(+ 25000)) LP64_ONLY(32000 DEBUG_ONLY(+ 150000))
32};
33
34// Additional helper methods for MethodHandles code generation:
35public:
36  static void load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg);
37
38  static void verify_klass(MacroAssembler* _masm,
39                           Register obj_reg, SystemDictionary::WKID klass_id,
40                           Register temp_reg, Register temp2_reg,
41                           const char* error_message = "wrong klass") NOT_DEBUG_RETURN;
42
43  static void verify_method_handle(MacroAssembler* _masm, Register mh_reg,
44                                   Register temp_reg, Register temp2_reg) {
45    verify_klass(_masm, mh_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MethodHandle),
46                 temp_reg, temp2_reg,
47                 "reference is a MH");
48  }
49
50  static void verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) NOT_DEBUG_RETURN;
51
52  // Similar to InterpreterMacroAssembler::jump_from_interpreted.
53  // Takes care of special dispatch from single stepping too.
54  static void jump_from_method_handle(MacroAssembler* _masm, Register method,
55                                      Register temp, Register temp2,
56                                      bool for_compiler_entry);
57
58  static void jump_to_lambda_form(MacroAssembler* _masm,
59                                  Register recv, Register method_temp,
60                                  Register temp2, Register temp3,
61                                  bool for_compiler_entry);
62