1 /*
2 * Copyright 1999-2006 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 *
1123 ValueStack* state() const { return _state; }
1124 IRScope* scope() const; // the state's scope
1125
1126 // manipulation
1127 void set_state(ValueStack* state) { _state = state; }
1128
1129 // generic
1130 virtual void input_values_do(void f(Value*)) { /* no values */ }
1131 virtual void state_values_do(void f(Value*));
1132 };
1133
1134
1135 LEAF(Invoke, StateSplit)
1136 private:
1137 Bytecodes::Code _code;
1138 Value _recv;
1139 Values* _args;
1140 BasicTypeList* _signature;
1141 int _vtable_index;
1142 ciMethod* _target;
1143
1144 public:
1145 // creation
1146 Invoke(Bytecodes::Code code, ValueType* result_type, Value recv, Values* args,
1147 int vtable_index, ciMethod* target);
1148
1149 // accessors
1150 Bytecodes::Code code() const { return _code; }
1151 Value receiver() const { return _recv; }
1152 bool has_receiver() const { return receiver() != NULL; }
1153 int number_of_arguments() const { return _args->length(); }
1154 Value argument_at(int i) const { return _args->at(i); }
1155 int vtable_index() const { return _vtable_index; }
1156 BasicTypeList* signature() const { return _signature; }
1157 ciMethod* target() const { return _target; }
1158
1159 // Returns false if target is not loaded
1160 bool target_is_final() const { return check_flag(TargetIsFinalFlag); }
1161 bool target_is_loaded() const { return check_flag(TargetIsLoadedFlag); }
1162 // Returns false if target is not loaded
1163 bool target_is_strictfp() const { return check_flag(TargetIsStrictfpFlag); }
1164
1165 // generic
1166 virtual bool can_trap() const { return true; }
1167 virtual void input_values_do(void f(Value*)) {
1168 StateSplit::input_values_do(f);
1169 if (has_receiver()) f(&_recv);
1170 for (int i = 0; i < _args->length(); i++) f(_args->adr_at(i));
1171 }
1172 };
1173
1174
1175 LEAF(NewInstance, StateSplit)
1176 private:
1177 ciInstanceKlass* _klass;
1178
1179 public:
1180 // creation
1181 NewInstance(ciInstanceKlass* klass) : StateSplit(instanceType), _klass(klass) {}
1182
1183 // accessors
1184 ciInstanceKlass* klass() const { return _klass; }
1185
1186 // generic
1187 virtual bool can_trap() const { return true; }
1188 ciType* exact_type() const;
1189 };
1190
1191
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1 /*
2 * Copyright 1999-2010 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 *
1123 ValueStack* state() const { return _state; }
1124 IRScope* scope() const; // the state's scope
1125
1126 // manipulation
1127 void set_state(ValueStack* state) { _state = state; }
1128
1129 // generic
1130 virtual void input_values_do(void f(Value*)) { /* no values */ }
1131 virtual void state_values_do(void f(Value*));
1132 };
1133
1134
1135 LEAF(Invoke, StateSplit)
1136 private:
1137 Bytecodes::Code _code;
1138 Value _recv;
1139 Values* _args;
1140 BasicTypeList* _signature;
1141 int _vtable_index;
1142 ciMethod* _target;
1143 ValueStack* _state_before; // Required for deoptimization.
1144
1145 public:
1146 // creation
1147 Invoke(Bytecodes::Code code, ValueType* result_type, Value recv, Values* args,
1148 int vtable_index, ciMethod* target, ValueStack* state_before);
1149
1150 // accessors
1151 Bytecodes::Code code() const { return _code; }
1152 Value receiver() const { return _recv; }
1153 bool has_receiver() const { return receiver() != NULL; }
1154 int number_of_arguments() const { return _args->length(); }
1155 Value argument_at(int i) const { return _args->at(i); }
1156 int vtable_index() const { return _vtable_index; }
1157 BasicTypeList* signature() const { return _signature; }
1158 ciMethod* target() const { return _target; }
1159 ValueStack* state_before() const { return _state_before; }
1160
1161 // Returns false if target is not loaded
1162 bool target_is_final() const { return check_flag(TargetIsFinalFlag); }
1163 bool target_is_loaded() const { return check_flag(TargetIsLoadedFlag); }
1164 // Returns false if target is not loaded
1165 bool target_is_strictfp() const { return check_flag(TargetIsStrictfpFlag); }
1166
1167 // JSR 292 support
1168 bool is_invokedynamic() const { return code() == Bytecodes::_invokedynamic; }
1169
1170 // generic
1171 virtual bool can_trap() const { return true; }
1172 virtual void input_values_do(void f(Value*)) {
1173 StateSplit::input_values_do(f);
1174 if (has_receiver()) f(&_recv);
1175 for (int i = 0; i < _args->length(); i++) f(_args->adr_at(i));
1176 }
1177 virtual void state_values_do(void f(Value*));
1178 };
1179
1180
1181 LEAF(NewInstance, StateSplit)
1182 private:
1183 ciInstanceKlass* _klass;
1184
1185 public:
1186 // creation
1187 NewInstance(ciInstanceKlass* klass) : StateSplit(instanceType), _klass(klass) {}
1188
1189 // accessors
1190 ciInstanceKlass* klass() const { return _klass; }
1191
1192 // generic
1193 virtual bool can_trap() const { return true; }
1194 ciType* exact_type() const;
1195 };
1196
1197
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