151 inline void stackChunkOopDesc::set_flag(uint8_t flag, bool value) {
152 uint32_t flags = this->flags();
153 set_flags((uint8_t)(value ? flags |= flag : flags &= ~flag));
154 }
155 inline void stackChunkOopDesc::clear_flags() {
156 set_flags(0);
157 }
158
159 inline bool stackChunkOopDesc::has_mixed_frames() const { return is_flag(FLAG_HAS_INTERPRETED_FRAMES); }
160 inline void stackChunkOopDesc::set_has_mixed_frames(bool value) {
161 assert((flags() & ~(FLAG_HAS_INTERPRETED_FRAMES | FLAG_PREEMPTED)) == 0, "other flags should not be set");
162 set_flag(FLAG_HAS_INTERPRETED_FRAMES, value);
163 }
164
165 inline bool stackChunkOopDesc::preempted() const { return is_flag(FLAG_PREEMPTED); }
166 inline void stackChunkOopDesc::set_preempted(bool value) {
167 assert(preempted() != value, "");
168 set_flag(FLAG_PREEMPTED, value);
169 }
170
171 inline bool stackChunkOopDesc::has_lockstack() const { return is_flag(FLAG_HAS_LOCKSTACK); }
172 inline void stackChunkOopDesc::set_has_lockstack(bool value) { set_flag(FLAG_HAS_LOCKSTACK, value); }
173
174 inline bool stackChunkOopDesc::is_gc_mode() const { return is_flag(FLAG_GC_MODE); }
175 inline bool stackChunkOopDesc::is_gc_mode_acquire() const { return is_flag_acquire(FLAG_GC_MODE); }
176 inline void stackChunkOopDesc::set_gc_mode(bool value) { set_flag(FLAG_GC_MODE, value); }
177
178 inline bool stackChunkOopDesc::has_bitmap() const { return is_flag(FLAG_HAS_BITMAP); }
179 inline void stackChunkOopDesc::set_has_bitmap(bool value) { set_flag(FLAG_HAS_BITMAP, value); }
180
181 inline bool stackChunkOopDesc::has_thaw_slowpath_condition() const { return flags() != 0; }
182
183 inline bool stackChunkOopDesc::requires_barriers() {
184 return Universe::heap()->requires_barriers(this);
185 }
186
187 template <stackChunkOopDesc::BarrierType barrier, ChunkFrames frame_kind, typename RegisterMapT>
188 void stackChunkOopDesc::do_barriers(const StackChunkFrameStream<frame_kind>& f, const RegisterMapT* map) {
189 if (frame_kind == ChunkFrames::Mixed) {
190 // we could freeze deopted frames in slow mode.
193 do_barriers0<barrier>(f, map);
194 }
195
196 template <typename OopT, class StackChunkLockStackClosureType>
197 inline void stackChunkOopDesc::iterate_lockstack(StackChunkLockStackClosureType* closure) {
198 int cnt = lockstack_size();
199 intptr_t* lockstart_addr = start_address();
200 for (int i = 0; i < cnt; i++) {
201 closure->do_oop((OopT*)&lockstart_addr[i]);
202 }
203 }
204
205 template <class StackChunkFrameClosureType>
206 inline void stackChunkOopDesc::iterate_stack(StackChunkFrameClosureType* closure) {
207 has_mixed_frames() ? iterate_stack<ChunkFrames::Mixed>(closure)
208 : iterate_stack<ChunkFrames::CompiledOnly>(closure);
209 }
210
211 template <ChunkFrames frame_kind, class StackChunkFrameClosureType>
212 inline void stackChunkOopDesc::iterate_stack(StackChunkFrameClosureType* closure) {
213 const SmallRegisterMap* map = SmallRegisterMap::instance();
214 assert(!map->in_cont(), "");
215
216 StackChunkFrameStream<frame_kind> f(this);
217 bool should_continue = true;
218
219 if (f.is_stub()) {
220 RegisterMap full_map(nullptr,
221 RegisterMap::UpdateMap::include,
222 RegisterMap::ProcessFrames::skip,
223 RegisterMap::WalkContinuation::include);
224 full_map.set_include_argument_oops(false);
225 closure->do_frame(f, map);
226
227 f.next(&full_map);
228 assert(!f.is_done(), "");
229 assert(f.is_compiled(), "");
230
231 should_continue = closure->do_frame(f, &full_map);
232 f.next(map);
233 }
234 assert(!f.is_stub(), "");
235
236 for(; should_continue && !f.is_done(); f.next(map)) {
237 if (frame_kind == ChunkFrames::Mixed) {
238 // in slow mode we might freeze deoptimized frames
239 f.handle_deopted();
240 }
241 should_continue = closure->do_frame(f, map);
242 }
243 }
244
245 inline frame stackChunkOopDesc::relativize(frame fr) const { relativize_frame(fr); return fr; }
246 inline frame stackChunkOopDesc::derelativize(frame fr) const { derelativize_frame(fr); return fr; }
247
248 inline void* stackChunkOopDesc::gc_data() const {
249 int stack_sz = stack_size();
250 assert(stack_sz != 0, "stack should not be empty");
251
252 // The gc data is located after the stack.
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151 inline void stackChunkOopDesc::set_flag(uint8_t flag, bool value) {
152 uint32_t flags = this->flags();
153 set_flags((uint8_t)(value ? flags |= flag : flags &= ~flag));
154 }
155 inline void stackChunkOopDesc::clear_flags() {
156 set_flags(0);
157 }
158
159 inline bool stackChunkOopDesc::has_mixed_frames() const { return is_flag(FLAG_HAS_INTERPRETED_FRAMES); }
160 inline void stackChunkOopDesc::set_has_mixed_frames(bool value) {
161 assert((flags() & ~(FLAG_HAS_INTERPRETED_FRAMES | FLAG_PREEMPTED)) == 0, "other flags should not be set");
162 set_flag(FLAG_HAS_INTERPRETED_FRAMES, value);
163 }
164
165 inline bool stackChunkOopDesc::preempted() const { return is_flag(FLAG_PREEMPTED); }
166 inline void stackChunkOopDesc::set_preempted(bool value) {
167 assert(preempted() != value, "");
168 set_flag(FLAG_PREEMPTED, value);
169 }
170
171 inline bool stackChunkOopDesc::at_klass_init() const { return jdk_internal_vm_StackChunk::atKlassInit(as_oop()); }
172 inline void stackChunkOopDesc::set_at_klass_init(bool value) {
173 assert(at_klass_init() != value, "");
174 jdk_internal_vm_StackChunk::set_atKlassInit(this, value);
175 }
176
177 inline bool stackChunkOopDesc::has_args_at_top() const { return jdk_internal_vm_StackChunk::hasArgsAtTop(as_oop()); }
178 inline void stackChunkOopDesc::set_has_args_at_top(bool value) {
179 assert(has_args_at_top() != value, "");
180 jdk_internal_vm_StackChunk::set_hasArgsAtTop(this, value);
181 }
182
183 inline bool stackChunkOopDesc::has_lockstack() const { return is_flag(FLAG_HAS_LOCKSTACK); }
184 inline void stackChunkOopDesc::set_has_lockstack(bool value) { set_flag(FLAG_HAS_LOCKSTACK, value); }
185
186 inline bool stackChunkOopDesc::is_gc_mode() const { return is_flag(FLAG_GC_MODE); }
187 inline bool stackChunkOopDesc::is_gc_mode_acquire() const { return is_flag_acquire(FLAG_GC_MODE); }
188 inline void stackChunkOopDesc::set_gc_mode(bool value) { set_flag(FLAG_GC_MODE, value); }
189
190 inline bool stackChunkOopDesc::has_bitmap() const { return is_flag(FLAG_HAS_BITMAP); }
191 inline void stackChunkOopDesc::set_has_bitmap(bool value) { set_flag(FLAG_HAS_BITMAP, value); }
192
193 inline bool stackChunkOopDesc::has_thaw_slowpath_condition() const { return flags() != 0; }
194
195 inline bool stackChunkOopDesc::requires_barriers() {
196 return Universe::heap()->requires_barriers(this);
197 }
198
199 template <stackChunkOopDesc::BarrierType barrier, ChunkFrames frame_kind, typename RegisterMapT>
200 void stackChunkOopDesc::do_barriers(const StackChunkFrameStream<frame_kind>& f, const RegisterMapT* map) {
201 if (frame_kind == ChunkFrames::Mixed) {
202 // we could freeze deopted frames in slow mode.
205 do_barriers0<barrier>(f, map);
206 }
207
208 template <typename OopT, class StackChunkLockStackClosureType>
209 inline void stackChunkOopDesc::iterate_lockstack(StackChunkLockStackClosureType* closure) {
210 int cnt = lockstack_size();
211 intptr_t* lockstart_addr = start_address();
212 for (int i = 0; i < cnt; i++) {
213 closure->do_oop((OopT*)&lockstart_addr[i]);
214 }
215 }
216
217 template <class StackChunkFrameClosureType>
218 inline void stackChunkOopDesc::iterate_stack(StackChunkFrameClosureType* closure) {
219 has_mixed_frames() ? iterate_stack<ChunkFrames::Mixed>(closure)
220 : iterate_stack<ChunkFrames::CompiledOnly>(closure);
221 }
222
223 template <ChunkFrames frame_kind, class StackChunkFrameClosureType>
224 inline void stackChunkOopDesc::iterate_stack(StackChunkFrameClosureType* closure) {
225 const auto* map = SmallRegisterMap::instance_no_args();
226 assert(!map->in_cont(), "");
227
228 StackChunkFrameStream<frame_kind> f(this);
229 bool should_continue = true;
230
231 if (f.is_stub()) {
232 RegisterMap full_map(nullptr,
233 RegisterMap::UpdateMap::include,
234 RegisterMap::ProcessFrames::skip,
235 RegisterMap::WalkContinuation::include);
236 full_map.set_include_argument_oops(false);
237 closure->do_frame(f, map);
238
239 f.next(&full_map);
240 assert(!f.is_done(), "");
241 assert(f.is_compiled(), "");
242
243 should_continue = closure->do_frame(f, &full_map);
244 f.next(map);
245 } else if (frame_kind == ChunkFrames::Mixed && f.is_interpreted() && has_args_at_top()) {
246 should_continue = closure->do_frame(f, SmallRegisterMap::instance_with_args());
247 f.next(map);
248 }
249 assert(!f.is_stub(), "");
250
251 for(; should_continue && !f.is_done(); f.next(map)) {
252 if (frame_kind == ChunkFrames::Mixed) {
253 // in slow mode we might freeze deoptimized frames
254 f.handle_deopted();
255 }
256 should_continue = closure->do_frame(f, map);
257 }
258 }
259
260 inline frame stackChunkOopDesc::relativize(frame fr) const { relativize_frame(fr); return fr; }
261 inline frame stackChunkOopDesc::derelativize(frame fr) const { derelativize_frame(fr); return fr; }
262
263 inline void* stackChunkOopDesc::gc_data() const {
264 int stack_sz = stack_size();
265 assert(stack_sz != 0, "stack should not be empty");
266
267 // The gc data is located after the stack.
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