templateInterpreterGenerator.hpp revision 9934:fd5d53ecf040 
1/*
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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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
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23 */
24
25#ifndef SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP
26#define SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP
27
28// This file contains the platform-independent parts
29// of the template interpreter generator.
30
31#ifndef CC_INTERP
32
33class TemplateInterpreterGenerator: public AbstractInterpreterGenerator {
34 protected:
35
36  // entry points for shared code sequence
37  address _unimplemented_bytecode;
38  address _illegal_bytecode_sequence;
39
40  // shared code sequences
41  // Converter for native abi result to tosca result
42  address generate_result_handler_for(BasicType type);
43  address generate_slow_signature_handler();
44  address generate_error_exit(const char* msg);
45  address generate_StackOverflowError_handler();
46  address generate_exception_handler(const char* name, const char* message) {
47    return generate_exception_handler_common(name, message, false);
48  }
49  address generate_klass_exception_handler(const char* name) {
50    return generate_exception_handler_common(name, NULL, true);
51  }
52  address generate_exception_handler_common(const char* name, const char* message, bool pass_oop);
53  address generate_ClassCastException_handler();
54  address generate_ArrayIndexOutOfBounds_handler(const char* name);
55  address generate_continuation_for(TosState state);
56  address generate_return_entry_for(TosState state, int step, size_t index_size);
57  address generate_earlyret_entry_for(TosState state);
58  address generate_deopt_entry_for(TosState state, int step);
59  address generate_safept_entry_for(TosState state, address runtime_entry);
60  void    generate_throw_exception();
61
62  void lock_method();
63
64  void bang_stack_shadow_pages(bool native_call);
65
66  // Instruction generation
67  void generate_and_dispatch (Template* t, TosState tos_out = ilgl);
68  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);
69  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);
70  void set_wide_entry_point  (Template* t, address& wep);
71
72  void set_entry_points(Bytecodes::Code code);
73  void set_unimplemented(int i);
74  void set_entry_points_for_all_bytes();
75  void set_safepoints_for_all_bytes();
76
77  // Helpers for generate_and_dispatch
78  address generate_trace_code(TosState state)   PRODUCT_RETURN0;
79  void count_bytecode()                         PRODUCT_RETURN;
80  void histogram_bytecode(Template* t)          PRODUCT_RETURN;
81  void histogram_bytecode_pair(Template* t)     PRODUCT_RETURN;
82  void trace_bytecode(Template* t)              PRODUCT_RETURN;
83  void stop_interpreter_at()                    PRODUCT_RETURN;
84
85  void generate_all();
86
87  // entry point generator
88  address generate_method_entry(AbstractInterpreter::MethodKind kind);
89
90  address generate_normal_entry(bool synchronized);
91  address generate_native_entry(bool synchronized);
92  address generate_abstract_entry(void);
93  address generate_math_entry(AbstractInterpreter::MethodKind kind);
94  address generate_Reference_get_entry();
95  address generate_CRC32_update_entry();
96  address generate_CRC32_updateBytes_entry(AbstractInterpreter::MethodKind kind);
97  address generate_CRC32C_updateBytes_entry(AbstractInterpreter::MethodKind kind);
98#ifdef IA32
99  address generate_Float_intBitsToFloat_entry();
100  address generate_Float_floatToRawIntBits_entry();
101  address generate_Double_longBitsToDouble_entry();
102  address generate_Double_doubleToRawLongBits_entry();
103#endif // IA32
104  void generate_stack_overflow_check(void);
105
106  void generate_counter_incr(Label* overflow, Label* profile_method, Label* profile_method_continue);
107  void generate_counter_overflow(Label& continue_entry);
108
109  void generate_fixed_frame(bool native_call);
110#ifdef SPARC
111  void generate_stack_overflow_check(Register Rframe_size, Register Rscratch,
112                                     Register Rscratch2);
113  void save_native_result(void);
114  void restore_native_result(void);
115#endif // SPARC
116
117#ifdef AARCH64
118  void generate_transcendental_entry(AbstractInterpreter::MethodKind kind, int fpargs);
119#endif // AARCH64
120
121#ifdef PPC
122  void lock_method(Register Rflags, Register Rscratch1, Register Rscratch2, bool flags_preloaded=false);
123  void unlock_method(bool check_exceptions = true);
124
125  void generate_fixed_frame(bool native_call, Register Rsize_of_parameters, Register Rsize_of_locals);
126  void generate_stack_overflow_check(Register Rframe_size, Register Rscratch1);
127#endif // PPC
128
129 public:
130  TemplateInterpreterGenerator(StubQueue* _code);
131};
132
133#endif // !CC_INTERP
134
135#endif // SHARE_VM_INTERPRETER_TEMPLATEINTERPRETERGENERATOR_HPP
136