142 }
143 }
144 #endif // INCLUDE_AOT
145
146 void CompiledDirectStaticCall::set_to_interpreted(const methodHandle& callee, address entry) {
147 address stub = find_stub(false /* is_aot */);
148 guarantee(stub != NULL, "stub not found");
149
150 if (TraceICs) {
151 ResourceMark rm;
152 tty->print_cr("CompiledDirectStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
153 p2i(instruction_address()),
154 callee->name_and_sig_as_C_string());
155 }
156
157 // Creation also verifies the object.
158 NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
159 NativeJump* jump = nativeJump_at(method_holder->next_instruction_address());
160
161 #ifdef ASSERT
162 Method* old_method = reinterpret_cast<Method*>(method_holder->data());
163 address destination = jump->jump_destination();
164 assert(old_method == NULL || old_method == callee() ||
165 !old_method->method_holder()->is_loader_alive(),
166 "a) MT-unsafe modification of inline cache");
167 assert(destination == (address)-1 || destination == entry,
168 "b) MT-unsafe modification of inline cache");
169 #endif
170
171 // Update stub.
172 method_holder->set_data((intptr_t)callee());
173 jump->set_jump_destination(entry);
174
175 // Update jump to call.
176 set_destination_mt_safe(stub);
177 }
178
179 void CompiledDirectStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
180 assert(CompiledICLocker::is_safe(static_stub->addr()), "mt unsafe call");
181 // Reset stub.
182 address stub = static_stub->addr();
183 assert(stub != NULL, "stub not found");
184 // Creation also verifies the object.
185 NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
186 method_holder->set_data(0);
|
142 }
143 }
144 #endif // INCLUDE_AOT
145
146 void CompiledDirectStaticCall::set_to_interpreted(const methodHandle& callee, address entry) {
147 address stub = find_stub(false /* is_aot */);
148 guarantee(stub != NULL, "stub not found");
149
150 if (TraceICs) {
151 ResourceMark rm;
152 tty->print_cr("CompiledDirectStaticCall@" INTPTR_FORMAT ": set_to_interpreted %s",
153 p2i(instruction_address()),
154 callee->name_and_sig_as_C_string());
155 }
156
157 // Creation also verifies the object.
158 NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
159 NativeJump* jump = nativeJump_at(method_holder->next_instruction_address());
160
161 #ifdef ASSERT
162 // A generated lambda form might be deleted from the Lambdaform
163 // cache in MethodTypeForm. If a jit compiled lambdaform method
164 // becomes not entrant and the cache access returns null, the new
165 // resolve will lead to a new generated LambdaForm.
166 Method* old_method = reinterpret_cast<Method*>(method_holder->data());
167 assert(old_method == NULL || old_method == callee() ||
168 callee->is_compiled_lambda_form() ||
169 !old_method->method_holder()->is_loader_alive() ||
170 old_method->is_old(), // may be race patching deoptimized nmethod due to redefinition.
171 "a) MT-unsafe modification of inline cache");
172
173 address destination = jump->jump_destination();
174 assert(destination == (address)-1 || destination == entry,
175 "b) MT-unsafe modification of inline cache");
176 #endif
177
178 // Update stub.
179 method_holder->set_data((intptr_t)callee());
180 jump->set_jump_destination(entry);
181
182 // Update jump to call.
183 set_destination_mt_safe(stub);
184 }
185
186 void CompiledDirectStaticCall::set_stub_to_clean(static_stub_Relocation* static_stub) {
187 assert(CompiledICLocker::is_safe(static_stub->addr()), "mt unsafe call");
188 // Reset stub.
189 address stub = static_stub->addr();
190 assert(stub != NULL, "stub not found");
191 // Creation also verifies the object.
192 NativeMovConstReg* method_holder = nativeMovConstReg_at(stub);
193 method_holder->set_data(0);
|