templateInterpreterGenerator.hpp revision 605:98cb887364d3 
1/*
2 * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25// This file contains the platform-independent parts
26// of the template interpreter generator.
27
28#ifndef CC_INTERP
29
30class TemplateInterpreterGenerator: public AbstractInterpreterGenerator {
31 protected:
32
33  // entry points for shared code sequence
34  address _unimplemented_bytecode;
35  address _illegal_bytecode_sequence;
36
37  // shared code sequences
38  // Converter for native abi result to tosca result
39  address generate_result_handler_for(BasicType type);
40  address generate_slow_signature_handler();
41  address generate_error_exit(const char* msg);
42  address generate_StackOverflowError_handler();
43  address generate_exception_handler(const char* name, const char* message) {
44    return generate_exception_handler_common(name, message, false);
45  }
46  address generate_klass_exception_handler(const char* name) {
47    return generate_exception_handler_common(name, NULL, true);
48  }
49  address generate_exception_handler_common(const char* name, const char* message, bool pass_oop);
50  address generate_ClassCastException_handler();
51  address generate_ArrayIndexOutOfBounds_handler(const char* name);
52  address generate_continuation_for(TosState state);
53  address generate_return_entry_for(TosState state, int step);
54  address generate_earlyret_entry_for(TosState state);
55  address generate_deopt_entry_for(TosState state, int step);
56  address generate_safept_entry_for(TosState state, address runtime_entry);
57  void    generate_throw_exception();
58
59  // entry point generator
60//   address generate_method_entry(AbstractInterpreter::MethodKind kind);
61
62  // Instruction generation
63  void generate_and_dispatch (Template* t, TosState tos_out = ilgl);
64  void set_vtos_entry_points (Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& vep);
65  void set_short_entry_points(Template* t, address& bep, address& cep, address& sep, address& aep, address& iep, address& lep, address& fep, address& dep, address& vep);
66  void set_wide_entry_point  (Template* t, address& wep);
67
68  void set_entry_points(Bytecodes::Code code);
69  void set_unimplemented(int i);
70  void set_entry_points_for_all_bytes();
71  void set_safepoints_for_all_bytes();
72
73  // Helpers for generate_and_dispatch
74  address generate_trace_code(TosState state)   PRODUCT_RETURN0;
75  void count_bytecode()                         PRODUCT_RETURN;
76  void histogram_bytecode(Template* t)          PRODUCT_RETURN;
77  void histogram_bytecode_pair(Template* t)     PRODUCT_RETURN;
78  void trace_bytecode(Template* t)              PRODUCT_RETURN;
79  void stop_interpreter_at()                    PRODUCT_RETURN;
80
81  void generate_all();
82
83 public:
84  TemplateInterpreterGenerator(StubQueue* _code);
85
86  #include "incls/_templateInterpreterGenerator_pd.hpp.incl"
87
88};
89
90#endif // !CC_INTERP
91