1 /*
2 * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
115 address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
116 __ far_call(RuntimeAddress(a));
117 ce->add_call_info_here(_info);
118 ce->verify_oop_map(_info);
119 debug_only(__ should_not_reach_here());
120 }
121
122 void DivByZeroStub::emit_code(LIR_Assembler* ce) {
123 if (_offset != -1) {
124 ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
125 }
126 __ bind(_entry);
127 __ far_call(Address(Runtime1::entry_for(Runtime1::throw_div0_exception_id), relocInfo::runtime_call_type));
128 ce->add_call_info_here(_info);
129 ce->verify_oop_map(_info);
130 #ifdef ASSERT
131 __ should_not_reach_here();
132 #endif
133 }
134
135
136
137 // Implementation of NewInstanceStub
138
139 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, Runtime1::StubID stub_id) {
140 _result = result;
141 _klass = klass;
142 _klass_reg = klass_reg;
143 _info = new CodeEmitInfo(info);
144 assert(stub_id == Runtime1::new_instance_id ||
145 stub_id == Runtime1::fast_new_instance_id ||
146 stub_id == Runtime1::fast_new_instance_init_check_id,
147 "need new_instance id");
148 _stub_id = stub_id;
149 }
150
151
152
153 void NewInstanceStub::emit_code(LIR_Assembler* ce) {
154 assert(__ rsp_offset() == 0, "frame size should be fixed");
155 __ bind(_entry);
156 __ mov(r3, _klass_reg->as_register());
157 __ far_call(RuntimeAddress(Runtime1::entry_for(_stub_id)));
158 ce->add_call_info_here(_info);
159 ce->verify_oop_map(_info);
160 assert(_result->as_register() == r0, "result must in r0,");
161 __ b(_continuation);
162 }
163
164
165 // Implementation of NewTypeArrayStub
166
167 // Implementation of NewTypeArrayStub
168
169 NewTypeArrayStub::NewTypeArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
170 _klass_reg = klass_reg;
171 _length = length;
172 _result = result;
173 _info = new CodeEmitInfo(info);
174 }
175
176
177 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) {
178 assert(__ rsp_offset() == 0, "frame size should be fixed");
179 __ bind(_entry);
180 assert(_length->as_register() == r19, "length must in r19,");
181 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
182 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_type_array_id)));
183 ce->add_call_info_here(_info);
184 ce->verify_oop_map(_info);
185 assert(_result->as_register() == r0, "result must in r0");
186 __ b(_continuation);
187 }
188
189
190 // Implementation of NewObjectArrayStub
191
192 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
193 _klass_reg = klass_reg;
194 _result = result;
195 _length = length;
196 _info = new CodeEmitInfo(info);
197 }
198
199
200 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) {
201 assert(__ rsp_offset() == 0, "frame size should be fixed");
202 __ bind(_entry);
203 assert(_length->as_register() == r19, "length must in r19,");
204 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
205 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_object_array_id)));
206 ce->add_call_info_here(_info);
207 ce->verify_oop_map(_info);
208 assert(_result->as_register() == r0, "result must in r0");
209 __ b(_continuation);
210 }
211 // Implementation of MonitorAccessStubs
212
213 MonitorEnterStub::MonitorEnterStub(LIR_Opr obj_reg, LIR_Opr lock_reg, CodeEmitInfo* info)
214 : MonitorAccessStub(obj_reg, lock_reg)
215 {
216 _info = new CodeEmitInfo(info);
217 }
218
219
220 void MonitorEnterStub::emit_code(LIR_Assembler* ce) {
221 assert(__ rsp_offset() == 0, "frame size should be fixed");
222 __ bind(_entry);
223 ce->store_parameter(_obj_reg->as_register(), 1);
224 ce->store_parameter(_lock_reg->as_register(), 0);
225 Runtime1::StubID enter_id;
226 if (ce->compilation()->has_fpu_code()) {
227 enter_id = Runtime1::monitorenter_id;
228 } else {
229 enter_id = Runtime1::monitorenter_nofpu_id;
230 }
231 __ far_call(RuntimeAddress(Runtime1::entry_for(enter_id)));
232 ce->add_call_info_here(_info);
233 ce->verify_oop_map(_info);
234 __ b(_continuation);
235 }
236
237
238 void MonitorExitStub::emit_code(LIR_Assembler* ce) {
239 __ bind(_entry);
240 if (_compute_lock) {
241 // lock_reg was destroyed by fast unlocking attempt => recompute it
242 ce->monitor_address(_monitor_ix, _lock_reg);
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1 /*
2 * Copyright (c) 1999, 2021, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
115 address a = Runtime1::entry_for(Runtime1::predicate_failed_trap_id);
116 __ far_call(RuntimeAddress(a));
117 ce->add_call_info_here(_info);
118 ce->verify_oop_map(_info);
119 debug_only(__ should_not_reach_here());
120 }
121
122 void DivByZeroStub::emit_code(LIR_Assembler* ce) {
123 if (_offset != -1) {
124 ce->compilation()->implicit_exception_table()->append(_offset, __ offset());
125 }
126 __ bind(_entry);
127 __ far_call(Address(Runtime1::entry_for(Runtime1::throw_div0_exception_id), relocInfo::runtime_call_type));
128 ce->add_call_info_here(_info);
129 ce->verify_oop_map(_info);
130 #ifdef ASSERT
131 __ should_not_reach_here();
132 #endif
133 }
134
135 // Implementation of LoadFlattenedArrayStub
136
137 LoadFlattenedArrayStub::LoadFlattenedArrayStub(LIR_Opr array, LIR_Opr index, LIR_Opr result, CodeEmitInfo* info) {
138 _array = array;
139 _index = index;
140 _result = result;
141 _scratch_reg = FrameMap::r0_oop_opr;
142 _info = new CodeEmitInfo(info);
143 }
144
145 void LoadFlattenedArrayStub::emit_code(LIR_Assembler* ce) {
146 assert(__ rsp_offset() == 0, "frame size should be fixed");
147 __ bind(_entry);
148 ce->store_parameter(_array->as_register(), 1);
149 ce->store_parameter(_index->as_register(), 0);
150 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::load_flattened_array_id)));
151 ce->add_call_info_here(_info);
152 ce->verify_oop_map(_info);
153 if (_result->as_register() != r0) {
154 __ mov(_result->as_register(), r0);
155 }
156 __ b(_continuation);
157 }
158
159
160 // Implementation of StoreFlattenedArrayStub
161
162 StoreFlattenedArrayStub::StoreFlattenedArrayStub(LIR_Opr array, LIR_Opr index, LIR_Opr value, CodeEmitInfo* info) {
163 _array = array;
164 _index = index;
165 _value = value;
166 _scratch_reg = FrameMap::r0_oop_opr;
167 _info = new CodeEmitInfo(info);
168 }
169
170
171 void StoreFlattenedArrayStub::emit_code(LIR_Assembler* ce) {
172 assert(__ rsp_offset() == 0, "frame size should be fixed");
173 __ bind(_entry);
174 ce->store_parameter(_array->as_register(), 2);
175 ce->store_parameter(_index->as_register(), 1);
176 ce->store_parameter(_value->as_register(), 0);
177 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::store_flattened_array_id)));
178 ce->add_call_info_here(_info);
179 ce->verify_oop_map(_info);
180 __ b(_continuation);
181 }
182
183 // Implementation of SubstitutabilityCheckStub
184 SubstitutabilityCheckStub::SubstitutabilityCheckStub(LIR_Opr left, LIR_Opr right, CodeEmitInfo* info) {
185 _left = left;
186 _right = right;
187 _scratch_reg = FrameMap::r0_oop_opr;
188 _info = new CodeEmitInfo(info);
189 }
190
191 void SubstitutabilityCheckStub::emit_code(LIR_Assembler* ce) {
192 assert(__ rsp_offset() == 0, "frame size should be fixed");
193 __ bind(_entry);
194 ce->store_parameter(_left->as_register(), 1);
195 ce->store_parameter(_right->as_register(), 0);
196 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::substitutability_check_id)));
197 ce->add_call_info_here(_info);
198 ce->verify_oop_map(_info);
199 __ b(_continuation);
200 }
201
202
203 // Implementation of NewInstanceStub
204
205 NewInstanceStub::NewInstanceStub(LIR_Opr klass_reg, LIR_Opr result, ciInstanceKlass* klass, CodeEmitInfo* info, Runtime1::StubID stub_id) {
206 _result = result;
207 _klass = klass;
208 _klass_reg = klass_reg;
209 _info = new CodeEmitInfo(info);
210 assert(stub_id == Runtime1::new_instance_id ||
211 stub_id == Runtime1::new_instance_no_inline_id ||
212 stub_id == Runtime1::fast_new_instance_id ||
213 stub_id == Runtime1::fast_new_instance_init_check_id,
214 "need new_instance id");
215 _stub_id = stub_id;
216 }
217
218 void NewInstanceStub::emit_code(LIR_Assembler* ce) {
219 assert(__ rsp_offset() == 0, "frame size should be fixed");
220 __ bind(_entry);
221 __ mov(r3, _klass_reg->as_register());
222 __ far_call(RuntimeAddress(Runtime1::entry_for(_stub_id)));
223 ce->add_call_info_here(_info);
224 ce->verify_oop_map(_info);
225 assert(_result->as_register() == r0, "result must in r0,");
226 __ b(_continuation);
227 }
228
229
230 // Implementation of NewTypeArrayStub
231
232 // Implementation of NewTypeArrayStub
233
234 NewTypeArrayStub::NewTypeArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result, CodeEmitInfo* info) {
235 _klass_reg = klass_reg;
236 _length = length;
237 _result = result;
238 _info = new CodeEmitInfo(info);
239 }
240
241
242 void NewTypeArrayStub::emit_code(LIR_Assembler* ce) {
243 assert(__ rsp_offset() == 0, "frame size should be fixed");
244 __ bind(_entry);
245 assert(_length->as_register() == r19, "length must in r19,");
246 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
247 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_type_array_id)));
248 ce->add_call_info_here(_info);
249 ce->verify_oop_map(_info);
250 assert(_result->as_register() == r0, "result must in r0");
251 __ b(_continuation);
252 }
253
254
255 // Implementation of NewObjectArrayStub
256
257 NewObjectArrayStub::NewObjectArrayStub(LIR_Opr klass_reg, LIR_Opr length, LIR_Opr result,
258 CodeEmitInfo* info, bool is_null_free) {
259 _klass_reg = klass_reg;
260 _result = result;
261 _length = length;
262 _info = new CodeEmitInfo(info);
263 _is_null_free = is_null_free;
264 }
265
266
267 void NewObjectArrayStub::emit_code(LIR_Assembler* ce) {
268 assert(__ rsp_offset() == 0, "frame size should be fixed");
269 __ bind(_entry);
270 assert(_length->as_register() == r19, "length must in r19,");
271 assert(_klass_reg->as_register() == r3, "klass_reg must in r3");
272
273 if (_is_null_free) {
274 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_flat_array_id)));
275 } else {
276 __ far_call(RuntimeAddress(Runtime1::entry_for(Runtime1::new_object_array_id)));
277 }
278
279 ce->add_call_info_here(_info);
280 ce->verify_oop_map(_info);
281 assert(_result->as_register() == r0, "result must in r0");
282 __ b(_continuation);
283 }
284 // Implementation of MonitorAccessStubs
285
286 MonitorEnterStub::MonitorEnterStub(LIR_Opr obj_reg, LIR_Opr lock_reg, CodeEmitInfo* info, CodeStub* throw_imse_stub, LIR_Opr scratch_reg)
287 : MonitorAccessStub(obj_reg, lock_reg)
288 {
289 _info = new CodeEmitInfo(info);
290 _scratch_reg = scratch_reg;
291 _throw_imse_stub = throw_imse_stub;
292 if (_throw_imse_stub != NULL) {
293 assert(_scratch_reg != LIR_OprFact::illegalOpr, "must be");
294 }
295 }
296
297
298 void MonitorEnterStub::emit_code(LIR_Assembler* ce) {
299 assert(__ rsp_offset() == 0, "frame size should be fixed");
300 __ bind(_entry);
301 if (_throw_imse_stub != NULL) {
302 // When we come here, _obj_reg has already been checked to be non-null.
303 __ ldr(rscratch1, Address(_obj_reg->as_register(), oopDesc::mark_offset_in_bytes()));
304 __ mov(rscratch2, markWord::inline_type_pattern);
305 __ andr(rscratch1, rscratch1, rscratch2);
306
307 __ cmp(rscratch1, rscratch2);
308 __ br(Assembler::EQ, *_throw_imse_stub->entry());
309 }
310
311 ce->store_parameter(_obj_reg->as_register(), 1);
312 ce->store_parameter(_lock_reg->as_register(), 0);
313 Runtime1::StubID enter_id;
314 if (ce->compilation()->has_fpu_code()) {
315 enter_id = Runtime1::monitorenter_id;
316 } else {
317 enter_id = Runtime1::monitorenter_nofpu_id;
318 }
319 __ far_call(RuntimeAddress(Runtime1::entry_for(enter_id)));
320 ce->add_call_info_here(_info);
321 ce->verify_oop_map(_info);
322 __ b(_continuation);
323 }
324
325
326 void MonitorExitStub::emit_code(LIR_Assembler* ce) {
327 __ bind(_entry);
328 if (_compute_lock) {
329 // lock_reg was destroyed by fast unlocking attempt => recompute it
330 ce->monitor_address(_monitor_ix, _lock_reg);
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