163
164 if (JvmtiExport::should_post_resource_exhausted()) {
165 JvmtiExport::post_resource_exhausted(
166 JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR | JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP,
167 "GC overhead limit exceeded");
168 }
169
170 THROW_OOP_0(Universe::out_of_memory_error_gc_overhead_limit());
171 }
172 }
173
174 HeapWord* CollectedHeap::common_mem_allocate_init(KlassHandle klass, size_t size, TRAPS) {
175 HeapWord* obj = common_mem_allocate_noinit(klass, size, CHECK_NULL);
176 init_obj(obj, size);
177 return obj;
178 }
179
180 HeapWord* CollectedHeap::allocate_from_tlab(KlassHandle klass, Thread* thread, size_t size) {
181 assert(UseTLAB, "should use UseTLAB");
182
183 HeapWord* obj = thread->tlab().allocate(size);
184 if (obj != NULL) {
185 return obj;
186 }
187 // Otherwise...
188 return allocate_from_tlab_slow(klass, thread, size);
189 }
190
191 void CollectedHeap::init_obj(HeapWord* obj, size_t size) {
192 assert(obj != NULL, "cannot initialize NULL object");
193 const size_t hs = oopDesc::header_size();
194 assert(size >= hs, "unexpected object size");
195 ((oop)obj)->set_klass_gap(0);
196 Copy::fill_to_aligned_words(obj + hs, size - hs);
197 }
198
199 oop CollectedHeap::obj_allocate(KlassHandle klass, int size, TRAPS) {
200 debug_only(check_for_valid_allocation_state());
201 assert(!Universe::heap()->is_gc_active(), "Allocation during gc not allowed");
202 assert(size >= 0, "int won't convert to size_t");
203 HeapWord* obj = common_mem_allocate_init(klass, size, CHECK_NULL);
204 post_allocation_setup_obj(klass, obj, size);
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163
164 if (JvmtiExport::should_post_resource_exhausted()) {
165 JvmtiExport::post_resource_exhausted(
166 JVMTI_RESOURCE_EXHAUSTED_OOM_ERROR | JVMTI_RESOURCE_EXHAUSTED_JAVA_HEAP,
167 "GC overhead limit exceeded");
168 }
169
170 THROW_OOP_0(Universe::out_of_memory_error_gc_overhead_limit());
171 }
172 }
173
174 HeapWord* CollectedHeap::common_mem_allocate_init(KlassHandle klass, size_t size, TRAPS) {
175 HeapWord* obj = common_mem_allocate_noinit(klass, size, CHECK_NULL);
176 init_obj(obj, size);
177 return obj;
178 }
179
180 HeapWord* CollectedHeap::allocate_from_tlab(KlassHandle klass, Thread* thread, size_t size) {
181 assert(UseTLAB, "should use UseTLAB");
182
183 size += Universe::heap()->oop_extra_words();
184 HeapWord* obj = thread->tlab().allocate(size);
185 if (obj != NULL) {
186 obj = Universe::heap()->tlab_post_allocation_setup(obj);
187 return obj;
188 }
189 // Otherwise...
190 return allocate_from_tlab_slow(klass, thread, size);
191 }
192
193 void CollectedHeap::init_obj(HeapWord* obj, size_t size) {
194 assert(obj != NULL, "cannot initialize NULL object");
195 const size_t hs = oopDesc::header_size();
196 assert(size >= hs, "unexpected object size");
197 ((oop)obj)->set_klass_gap(0);
198 Copy::fill_to_aligned_words(obj + hs, size - hs);
199 }
200
201 oop CollectedHeap::obj_allocate(KlassHandle klass, int size, TRAPS) {
202 debug_only(check_for_valid_allocation_state());
203 assert(!Universe::heap()->is_gc_active(), "Allocation during gc not allowed");
204 assert(size >= 0, "int won't convert to size_t");
205 HeapWord* obj = common_mem_allocate_init(klass, size, CHECK_NULL);
206 post_allocation_setup_obj(klass, obj, size);
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