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
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
26 #define SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
27
28 #include "interpreter/abstractInterpreter.hpp"
29 #include "interpreter/templateTable.hpp"
30
31 // This file contains the platform-independent parts
32 // of the template interpreter and the template interpreter generator.
33
34 #ifndef CC_INTERP
35
36 class InterpreterMacroAssembler;
37
38 //------------------------------------------------------------------------------------------------------------------------
39 // A little wrapper class to group tosca-specific entry points into a unit.
40 // (tosca = Top-Of-Stack CAche)
41
42 class EntryPoint VALUE_OBJ_CLASS_SPEC {
43 private:
44 address _entry[number_of_states];
45
46 public:
47 // Construction
48 EntryPoint();
49 EntryPoint(address bentry, address centry, address sentry, address aentry, address ientry, address lentry, address fentry, address dentry, address ventry);
50
51 // Attributes
52 address entry(TosState state) const; // return target address for a given tosca state
53 void set_entry(TosState state, address entry); // set target address for a given tosca state
54 void print();
55
56 // Comparison
68 private:
69 address _table[number_of_states][length]; // dispatch tables, indexed by tosca and bytecode
70
71 public:
72 // Attributes
73 EntryPoint entry(int i) const; // return entry point for a given bytecode i
74 void set_entry(int i, EntryPoint& entry); // set entry point for a given bytecode i
75 address* table_for(TosState state) { return _table[state]; }
76 address* table_for() { return table_for((TosState)0); }
77 int distance_from(address *table) { return table - table_for(); }
78 int distance_from(TosState state) { return distance_from(table_for(state)); }
79
80 // Comparison
81 bool operator == (DispatchTable& y); // for debugging only
82 };
83
84 class TemplateInterpreter: public AbstractInterpreter {
85 friend class VMStructs;
86 friend class InterpreterMacroAssembler;
87 friend class TemplateInterpreterGenerator;
88 friend class InterpreterGenerator;
89 friend class TemplateTable;
90 friend class CodeCacheExtensions;
91 // friend class Interpreter;
92 public:
93
94 enum MoreConstants {
95 number_of_return_entries = number_of_states, // number of return entry points
96 number_of_deopt_entries = number_of_states, // number of deoptimization entry points
97 number_of_return_addrs = number_of_states // number of return addresses
98 };
99
100 protected:
101
102 static address _throw_ArrayIndexOutOfBoundsException_entry;
103 static address _throw_ArrayStoreException_entry;
104 static address _throw_ArithmeticException_entry;
105 static address _throw_ClassCastException_entry;
106 static address _throw_NullPointerException_entry;
107 static address _throw_exception_entry;
108
120 static EntryPoint _earlyret_entry; // entry point to return early from a call
121 static EntryPoint _deopt_entry[number_of_deopt_entries]; // entry points to return to from a deoptimization
122 static EntryPoint _continuation_entry;
123 static EntryPoint _safept_entry;
124
125 static address _invoke_return_entry[number_of_return_addrs]; // for invokestatic, invokespecial, invokevirtual return entries
126 static address _invokeinterface_return_entry[number_of_return_addrs]; // for invokeinterface return entries
127 static address _invokedynamic_return_entry[number_of_return_addrs]; // for invokedynamic return entries
128
129 static DispatchTable _active_table; // the active dispatch table (used by the interpreter for dispatch)
130 static DispatchTable _normal_table; // the normal dispatch table (used to set the active table in normal mode)
131 static DispatchTable _safept_table; // the safepoint dispatch table (used to set the active table for safepoints)
132 static address _wentry_point[DispatchTable::length]; // wide instructions only (vtos tosca always)
133
134
135 public:
136 // Initialization/debugging
137 static void initialize();
138 // this only returns whether a pc is within generated code for the interpreter.
139 static bool contains(address pc) { return _code != NULL && _code->contains(pc); }
140
141 public:
142
143 static address remove_activation_early_entry(TosState state) { return _earlyret_entry.entry(state); }
144 #ifdef HOTSWAP
145 static address remove_activation_preserving_args_entry() { return _remove_activation_preserving_args_entry; }
146 #endif // HOTSWAP
147
148 static address remove_activation_entry() { return _remove_activation_entry; }
149 static address throw_exception_entry() { return _throw_exception_entry; }
150 static address throw_ArithmeticException_entry() { return _throw_ArithmeticException_entry; }
151 static address throw_NullPointerException_entry() { return _throw_NullPointerException_entry; }
152 static address throw_StackOverflowError_entry() { return _throw_StackOverflowError_entry; }
153
154 // Code generation
155 #ifndef PRODUCT
156 static address trace_code (TosState state) { return _trace_code.entry(state); }
157 #endif // !PRODUCT
158 static address continuation (TosState state) { return _continuation_entry.entry(state); }
159 static address* dispatch_table(TosState state) { return _active_table.table_for(state); }
171 static address* invoke_return_entry_table_for(Bytecodes::Code code);
172
173 static address deopt_entry(TosState state, int length);
174 static address return_entry(TosState state, int length, Bytecodes::Code code);
175
176 // Safepoint support
177 static void notice_safepoints(); // stops the thread when reaching a safepoint
178 static void ignore_safepoints(); // ignores safepoints
179
180 // Deoptimization support
181 // Compute the entry address for continuation after
182 static address deopt_continue_after_entry(Method* method,
183 address bcp,
184 int callee_parameters,
185 bool is_top_frame);
186 // Deoptimization should reexecute this bytecode
187 static bool bytecode_should_reexecute(Bytecodes::Code code);
188 // Compute the address for reexecution
189 static address deopt_reexecute_entry(Method* method, address bcp);
190
191 #ifdef TARGET_ARCH_x86
192 # include "templateInterpreter_x86.hpp"
193 #endif
194 #ifdef TARGET_ARCH_sparc
195 # include "templateInterpreter_sparc.hpp"
196 #endif
197 #ifdef TARGET_ARCH_zero
198 # include "templateInterpreter_zero.hpp"
199 #endif
200 #ifdef TARGET_ARCH_arm
201 # include "templateInterpreter_arm.hpp"
202 #endif
203 #ifdef TARGET_ARCH_ppc
204 # include "templateInterpreter_ppc.hpp"
205 #endif
206 #ifdef TARGET_ARCH_aarch64
207 # include "templateInterpreter_aarch64.hpp"
208 #endif
209
210
211 };
212
213 #endif // !CC_INTERP
214
215 #endif // SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
|
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
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
26 #define SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
27
28 #include "interpreter/abstractInterpreter.hpp"
29 #include "interpreter/templateTable.hpp"
30
31 // This file contains the platform-independent parts
32 // of the template interpreter and the template interpreter generator.
33
34 #ifndef CC_INTERP
35
36 class InterpreterMacroAssembler;
37 class InterpreterCodelet;
38
39 //------------------------------------------------------------------------------------------------------------------------
40 // A little wrapper class to group tosca-specific entry points into a unit.
41 // (tosca = Top-Of-Stack CAche)
42
43 class EntryPoint VALUE_OBJ_CLASS_SPEC {
44 private:
45 address _entry[number_of_states];
46
47 public:
48 // Construction
49 EntryPoint();
50 EntryPoint(address bentry, address centry, address sentry, address aentry, address ientry, address lentry, address fentry, address dentry, address ventry);
51
52 // Attributes
53 address entry(TosState state) const; // return target address for a given tosca state
54 void set_entry(TosState state, address entry); // set target address for a given tosca state
55 void print();
56
57 // Comparison
69 private:
70 address _table[number_of_states][length]; // dispatch tables, indexed by tosca and bytecode
71
72 public:
73 // Attributes
74 EntryPoint entry(int i) const; // return entry point for a given bytecode i
75 void set_entry(int i, EntryPoint& entry); // set entry point for a given bytecode i
76 address* table_for(TosState state) { return _table[state]; }
77 address* table_for() { return table_for((TosState)0); }
78 int distance_from(address *table) { return table - table_for(); }
79 int distance_from(TosState state) { return distance_from(table_for(state)); }
80
81 // Comparison
82 bool operator == (DispatchTable& y); // for debugging only
83 };
84
85 class TemplateInterpreter: public AbstractInterpreter {
86 friend class VMStructs;
87 friend class InterpreterMacroAssembler;
88 friend class TemplateInterpreterGenerator;
89 friend class TemplateTable;
90 friend class CodeCacheExtensions;
91 // friend class Interpreter;
92 public:
93
94 enum MoreConstants {
95 number_of_return_entries = number_of_states, // number of return entry points
96 number_of_deopt_entries = number_of_states, // number of deoptimization entry points
97 number_of_return_addrs = number_of_states // number of return addresses
98 };
99
100 protected:
101
102 static address _throw_ArrayIndexOutOfBoundsException_entry;
103 static address _throw_ArrayStoreException_entry;
104 static address _throw_ArithmeticException_entry;
105 static address _throw_ClassCastException_entry;
106 static address _throw_NullPointerException_entry;
107 static address _throw_exception_entry;
108
120 static EntryPoint _earlyret_entry; // entry point to return early from a call
121 static EntryPoint _deopt_entry[number_of_deopt_entries]; // entry points to return to from a deoptimization
122 static EntryPoint _continuation_entry;
123 static EntryPoint _safept_entry;
124
125 static address _invoke_return_entry[number_of_return_addrs]; // for invokestatic, invokespecial, invokevirtual return entries
126 static address _invokeinterface_return_entry[number_of_return_addrs]; // for invokeinterface return entries
127 static address _invokedynamic_return_entry[number_of_return_addrs]; // for invokedynamic return entries
128
129 static DispatchTable _active_table; // the active dispatch table (used by the interpreter for dispatch)
130 static DispatchTable _normal_table; // the normal dispatch table (used to set the active table in normal mode)
131 static DispatchTable _safept_table; // the safepoint dispatch table (used to set the active table for safepoints)
132 static address _wentry_point[DispatchTable::length]; // wide instructions only (vtos tosca always)
133
134
135 public:
136 // Initialization/debugging
137 static void initialize();
138 // this only returns whether a pc is within generated code for the interpreter.
139 static bool contains(address pc) { return _code != NULL && _code->contains(pc); }
140 // Debugging/printing
141 static InterpreterCodelet* codelet_containing(address pc);
142
143
144 public:
145
146 static address remove_activation_early_entry(TosState state) { return _earlyret_entry.entry(state); }
147 #ifdef HOTSWAP
148 static address remove_activation_preserving_args_entry() { return _remove_activation_preserving_args_entry; }
149 #endif // HOTSWAP
150
151 static address remove_activation_entry() { return _remove_activation_entry; }
152 static address throw_exception_entry() { return _throw_exception_entry; }
153 static address throw_ArithmeticException_entry() { return _throw_ArithmeticException_entry; }
154 static address throw_NullPointerException_entry() { return _throw_NullPointerException_entry; }
155 static address throw_StackOverflowError_entry() { return _throw_StackOverflowError_entry; }
156
157 // Code generation
158 #ifndef PRODUCT
159 static address trace_code (TosState state) { return _trace_code.entry(state); }
160 #endif // !PRODUCT
161 static address continuation (TosState state) { return _continuation_entry.entry(state); }
162 static address* dispatch_table(TosState state) { return _active_table.table_for(state); }
174 static address* invoke_return_entry_table_for(Bytecodes::Code code);
175
176 static address deopt_entry(TosState state, int length);
177 static address return_entry(TosState state, int length, Bytecodes::Code code);
178
179 // Safepoint support
180 static void notice_safepoints(); // stops the thread when reaching a safepoint
181 static void ignore_safepoints(); // ignores safepoints
182
183 // Deoptimization support
184 // Compute the entry address for continuation after
185 static address deopt_continue_after_entry(Method* method,
186 address bcp,
187 int callee_parameters,
188 bool is_top_frame);
189 // Deoptimization should reexecute this bytecode
190 static bool bytecode_should_reexecute(Bytecodes::Code code);
191 // Compute the address for reexecution
192 static address deopt_reexecute_entry(Method* method, address bcp);
193
194 // Size of interpreter code. Max size with JVMTI
195 static int InterpreterCodeSize;
196
197 #ifdef TARGET_ARCH_ppc
198 public:
199 // PPC-only: Support abs and sqrt like in compiler.
200 // For others we can use a normal (native) entry.
201 static bool math_entry_available(AbstractInterpreter::MethodKind kind);
202 #endif
203 };
204
205 #endif // !CC_INTERP
206
207 #endif // SHARE_VM_INTERPRETER_TEMPLATEINTERPRETER_HPP
|