203 if (EliminateAllocations) {
204 #endif // INCLUDE_JVMCI
205 assert (chunk->at(0)->scope() != NULL,"expect only compiled java frames");
206 GrowableArray<ScopeValue*>* objects = chunk->at(0)->scope()->objects();
207
208 // The flag return_oop() indicates call sites which return oop
209 // in compiled code. Such sites include java method calls,
210 // runtime calls (for example, used to allocate new objects/arrays
211 // on slow code path) and any other calls generated in compiled code.
212 // It is not guaranteed that we can get such information here only
213 // by analyzing bytecode in deoptimized frames. This is why this flag
214 // is set during method compilation (see Compile::Process_OopMap_Node()).
215 // If the previous frame was popped or if we are dispatching an exception,
216 // we don't have an oop result.
217 ScopeDesc* scope = chunk->at(0)->scope();
218 bool save_oop_result = scope->return_oop() && !thread->popframe_forcing_deopt_reexecution() && (exec_mode == Unpack_deopt);
219 // In case of the return of multiple values, we must take care
220 // of all oop return values.
221 GrowableArray<Handle> return_oops;
222 ValueKlass* vk = NULL;
223 if (save_oop_result) {
224 if (scope->return_vt()) {
225 vk = ValueKlass::returned_value_type(map);
226 if (vk != NULL) {
227 bool success = vk->save_oop_results(map, return_oops);
228 assert(success, "found klass ptr being returned: saving oops can't fail");
229 save_oop_result = false;
230 } else {
231 vk = NULL;
232 }
233 }
234 }
235 if (save_oop_result) {
236 // Reallocation may trigger GC. If deoptimization happened on return from
237 // call which returns oop we need to save it since it is not in oopmap.
238 oop result = deoptee.saved_oop_result(&map);
239 assert(oopDesc::is_oop_or_null(result), "must be oop");
240 return_oops.push(Handle(thread, result));
241 assert(Universe::heap()->is_in_or_null(result), "must be heap pointer");
242 if (TraceDeoptimization) {
243 ttyLocker ttyl;
244 tty->print_cr("SAVED OOP RESULT " INTPTR_FORMAT " in thread " INTPTR_FORMAT, p2i(result), p2i(thread));
245 }
246 }
247 if (objects != NULL || vk != NULL) {
248 bool skip_internal = (cm != NULL) && !cm->is_compiled_by_jvmci();
249 JRT_BLOCK
250 if (vk != NULL) {
251 realloc_failures = realloc_value_type_result(vk, map, return_oops, THREAD);
252 }
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203 if (EliminateAllocations) {
204 #endif // INCLUDE_JVMCI
205 assert (chunk->at(0)->scope() != NULL,"expect only compiled java frames");
206 GrowableArray<ScopeValue*>* objects = chunk->at(0)->scope()->objects();
207
208 // The flag return_oop() indicates call sites which return oop
209 // in compiled code. Such sites include java method calls,
210 // runtime calls (for example, used to allocate new objects/arrays
211 // on slow code path) and any other calls generated in compiled code.
212 // It is not guaranteed that we can get such information here only
213 // by analyzing bytecode in deoptimized frames. This is why this flag
214 // is set during method compilation (see Compile::Process_OopMap_Node()).
215 // If the previous frame was popped or if we are dispatching an exception,
216 // we don't have an oop result.
217 ScopeDesc* scope = chunk->at(0)->scope();
218 bool save_oop_result = scope->return_oop() && !thread->popframe_forcing_deopt_reexecution() && (exec_mode == Unpack_deopt);
219 // In case of the return of multiple values, we must take care
220 // of all oop return values.
221 GrowableArray<Handle> return_oops;
222 ValueKlass* vk = NULL;
223 if (save_oop_result && scope->return_vt()) {
224 vk = ValueKlass::returned_value_klass(map);
225 if (vk != NULL) {
226 vk->save_oop_fields(map, return_oops);
227 save_oop_result = false;
228 }
229 }
230 if (save_oop_result) {
231 // Reallocation may trigger GC. If deoptimization happened on return from
232 // call which returns oop we need to save it since it is not in oopmap.
233 oop result = deoptee.saved_oop_result(&map);
234 assert(oopDesc::is_oop_or_null(result), "must be oop");
235 return_oops.push(Handle(thread, result));
236 assert(Universe::heap()->is_in_or_null(result), "must be heap pointer");
237 if (TraceDeoptimization) {
238 ttyLocker ttyl;
239 tty->print_cr("SAVED OOP RESULT " INTPTR_FORMAT " in thread " INTPTR_FORMAT, p2i(result), p2i(thread));
240 }
241 }
242 if (objects != NULL || vk != NULL) {
243 bool skip_internal = (cm != NULL) && !cm->is_compiled_by_jvmci();
244 JRT_BLOCK
245 if (vk != NULL) {
246 realloc_failures = realloc_value_type_result(vk, map, return_oops, THREAD);
247 }
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