127 void verify() PRODUCT_RETURN;
128 void print() PRODUCT_RETURN;
129 };
130
131
132 // Condensed information from constant pool to use to resolve the method or field.
133 // resolved_klass = specified class (i.e., static receiver class)
134 // current_klass = sending method holder (i.e., class containing the method
135 // containing the call being resolved)
136 // current_method = sending method (relevant for field resolution)
137 class LinkInfo : public StackObj {
138 Symbol* _name; // extracted from JVM_CONSTANT_NameAndType
139 Symbol* _signature;
140 Klass* _resolved_klass; // class that the constant pool entry points to
141 Klass* _current_klass; // class that owns the constant pool
142 methodHandle _current_method; // sending method
143 bool _check_access;
144 constantTag _tag;
145
146 public:
147 enum AccessCheck {
148 needs_access_check,
149 skip_access_check
150 };
151
152 LinkInfo(const constantPoolHandle& pool, int index, const methodHandle& current_method, TRAPS);
153 LinkInfo(const constantPoolHandle& pool, int index, TRAPS);
154
155 // Condensed information from other call sites within the vm.
156 LinkInfo(Klass* resolved_klass, Symbol* name, Symbol* signature, Klass* current_klass,
157 AccessCheck check_access = needs_access_check,
158 constantTag tag = JVM_CONSTANT_Invalid) :
159 _name(name),
160 _signature(signature), _resolved_klass(resolved_klass), _current_klass(current_klass), _current_method(methodHandle()),
161 _check_access(check_access == needs_access_check), _tag(tag) {}
162
163 LinkInfo(Klass* resolved_klass, Symbol* name, Symbol* signature, const methodHandle& current_method,
164 AccessCheck check_access = needs_access_check,
165 constantTag tag = JVM_CONSTANT_Invalid) :
166 _name(name),
167 _signature(signature), _resolved_klass(resolved_klass), _current_klass(current_method->method_holder()), _current_method(current_method),
168 _check_access(check_access == needs_access_check), _tag(tag) {}
169
170 // Case where we just find the method and don't check access against the current class
171 LinkInfo(Klass* resolved_klass, Symbol*name, Symbol* signature) :
172 _name(name),
173 _signature(signature), _resolved_klass(resolved_klass), _current_klass(NULL), _current_method(methodHandle()),
174 _check_access(false), _tag(JVM_CONSTANT_Invalid) {}
175
176 // accessors
177 Symbol* name() const { return _name; }
178 Symbol* signature() const { return _signature; }
179 Klass* resolved_klass() const { return _resolved_klass; }
180 Klass* current_klass() const { return _current_klass; }
181 Method* current_method() const { return _current_method(); }
182 constantTag tag() const { return _tag; }
183 bool check_access() const { return _check_access; }
184
185 void print() PRODUCT_RETURN;
186 };
187
188 // Link information for getfield/putfield & getstatic/putstatic bytecodes
|
127 void verify() PRODUCT_RETURN;
128 void print() PRODUCT_RETURN;
129 };
130
131
132 // Condensed information from constant pool to use to resolve the method or field.
133 // resolved_klass = specified class (i.e., static receiver class)
134 // current_klass = sending method holder (i.e., class containing the method
135 // containing the call being resolved)
136 // current_method = sending method (relevant for field resolution)
137 class LinkInfo : public StackObj {
138 Symbol* _name; // extracted from JVM_CONSTANT_NameAndType
139 Symbol* _signature;
140 Klass* _resolved_klass; // class that the constant pool entry points to
141 Klass* _current_klass; // class that owns the constant pool
142 methodHandle _current_method; // sending method
143 bool _check_access;
144 constantTag _tag;
145
146 public:
147 enum class AccessCheck {
148 needs_access_check,
149 skip_access_check
150 };
151
152 LinkInfo(const constantPoolHandle& pool, int index, const methodHandle& current_method, TRAPS);
153 LinkInfo(const constantPoolHandle& pool, int index, TRAPS);
154
155 // Condensed information from other call sites within the vm.
156 LinkInfo(Klass* resolved_klass, Symbol* name, Symbol* signature, Klass* current_klass,
157 AccessCheck check_access = AccessCheck::needs_access_check,
158 constantTag tag = JVM_CONSTANT_Invalid) :
159 _name(name),
160 _signature(signature), _resolved_klass(resolved_klass), _current_klass(current_klass), _current_method(methodHandle()),
161 _check_access(check_access == AccessCheck::needs_access_check), _tag(tag) {}
162
163 LinkInfo(Klass* resolved_klass, Symbol* name, Symbol* signature, const methodHandle& current_method,
164 AccessCheck check_access = AccessCheck::needs_access_check,
165 constantTag tag = JVM_CONSTANT_Invalid) :
166 _name(name),
167 _signature(signature), _resolved_klass(resolved_klass), _current_klass(current_method->method_holder()), _current_method(current_method),
168 _check_access(check_access == AccessCheck::needs_access_check), _tag(tag) {}
169
170 // Case where we just find the method and don't check access against the current class
171 LinkInfo(Klass* resolved_klass, Symbol*name, Symbol* signature) :
172 _name(name),
173 _signature(signature), _resolved_klass(resolved_klass), _current_klass(NULL), _current_method(methodHandle()),
174 _check_access(false), _tag(JVM_CONSTANT_Invalid) {}
175
176 // accessors
177 Symbol* name() const { return _name; }
178 Symbol* signature() const { return _signature; }
179 Klass* resolved_klass() const { return _resolved_klass; }
180 Klass* current_klass() const { return _current_klass; }
181 Method* current_method() const { return _current_method(); }
182 constantTag tag() const { return _tag; }
183 bool check_access() const { return _check_access; }
184
185 void print() PRODUCT_RETURN;
186 };
187
188 // Link information for getfield/putfield & getstatic/putstatic bytecodes
|