149 }
150 __ call_VM(rax,
151 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception),
152 c_rarg1, c_rarg2);
153 }
154 // throw exception
155 __ jump(ExternalAddress(Interpreter::throw_exception_entry()));
156 return entry;
157 }
158
159
160 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) {
161 address entry = __ pc();
162 // NULL last_sp until next java call
163 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
164 __ dispatch_next(state);
165 return entry;
166 }
167
168
169 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step) {
170 address entry = __ pc();
171
172 // Restore stack bottom in case i2c adjusted stack
173 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
174 // and NULL it as marker that esp is now tos until next java call
175 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
176
177 __ restore_bcp();
178 __ restore_locals();
179
180 if (state == atos) {
181 Register mdp = rbx;
182 Register tmp = rcx;
183 __ profile_return_type(mdp, rax, tmp);
184 }
185
186 Label L_got_cache, L_giant_index;
187 if (EnableInvokeDynamic) {
188 __ cmpb(Address(r13, 0), Bytecodes::_invokedynamic);
189 __ jcc(Assembler::equal, L_giant_index);
190 }
191 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u2));
192 __ bind(L_got_cache);
193 __ movl(rbx, Address(rbx, rcx,
194 Address::times_ptr,
195 in_bytes(ConstantPoolCache::base_offset()) +
196 3 * wordSize));
197 __ andl(rbx, 0xFF);
198 __ lea(rsp, Address(rsp, rbx, Address::times_8));
199 __ dispatch_next(state, step);
200
201 // out of the main line of code...
202 if (EnableInvokeDynamic) {
203 __ bind(L_giant_index);
204 __ get_cache_and_index_at_bcp(rbx, rcx, 1, sizeof(u4));
205 __ jmp(L_got_cache);
206 }
207
208 return entry;
209 }
210
211
212 address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state,
213 int step) {
214 address entry = __ pc();
215 // NULL last_sp until next java call
216 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
217 __ restore_bcp();
218 __ restore_locals();
219 // handle exceptions
220 {
221 Label L;
222 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD);
223 __ jcc(Assembler::zero, L);
224 __ call_VM(noreg,
225 CAST_FROM_FN_PTR(address,
226 InterpreterRuntime::throw_pending_exception));
227 __ should_not_reach_here();
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149 }
150 __ call_VM(rax,
151 CAST_FROM_FN_PTR(address, InterpreterRuntime::create_exception),
152 c_rarg1, c_rarg2);
153 }
154 // throw exception
155 __ jump(ExternalAddress(Interpreter::throw_exception_entry()));
156 return entry;
157 }
158
159
160 address TemplateInterpreterGenerator::generate_continuation_for(TosState state) {
161 address entry = __ pc();
162 // NULL last_sp until next java call
163 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
164 __ dispatch_next(state);
165 return entry;
166 }
167
168
169 address TemplateInterpreterGenerator::generate_return_entry_for(TosState state, int step, size_t index_size) {
170 address entry = __ pc();
171
172 // Restore stack bottom in case i2c adjusted stack
173 __ movptr(rsp, Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize));
174 // and NULL it as marker that esp is now tos until next java call
175 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
176
177 __ restore_bcp();
178 __ restore_locals();
179
180 if (state == atos) {
181 Register mdp = rbx;
182 Register tmp = rcx;
183 __ profile_return_type(mdp, rax, tmp);
184 }
185
186 const Register cache = rbx;
187 const Register index = rcx;
188 __ get_cache_and_index_at_bcp(cache, index, 1, index_size);
189
190 const Register flags = cache;
191 __ movl(flags, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::flags_offset()));
192 __ andl(flags, ConstantPoolCacheEntry::parameter_size_mask);
193 __ lea(rsp, Address(rsp, flags, Interpreter::stackElementScale()));
194 __ dispatch_next(state, step);
195
196 return entry;
197 }
198
199
200 address TemplateInterpreterGenerator::generate_deopt_entry_for(TosState state,
201 int step) {
202 address entry = __ pc();
203 // NULL last_sp until next java call
204 __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
205 __ restore_bcp();
206 __ restore_locals();
207 // handle exceptions
208 {
209 Label L;
210 __ cmpptr(Address(r15_thread, Thread::pending_exception_offset()), (int32_t) NULL_WORD);
211 __ jcc(Assembler::zero, L);
212 __ call_VM(noreg,
213 CAST_FROM_FN_PTR(address,
214 InterpreterRuntime::throw_pending_exception));
215 __ should_not_reach_here();
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