archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 11:04:34 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8141420: Compiler runtime entries don't hold Klass* from being GCed

Browse source 
Reviewed-by: kvn, coleenp
This commit is contained in:
Vladimir Ivanov 2016-03-14 12:35:48 +03:00
parent 28cf824b60
commit ffdd79f89c
3 changed files with 18 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

3
hotspot/src/share/vm/c1/c1_Runtime1.cpp
View file

@ -335,6 +335,7 @@ JRT_ENTRY(void, Runtime1::new_instance(JavaThread* thread, Klass* klass))
NOT_PRODUCT(_new_instance_slowcase_cnt++;)
assert(klass->is_klass(), "not a class");
Handle holder(THREAD, klass->klass_holder()); // keep the klass alive
instanceKlassHandle h(thread, klass);
h->check_valid_for_instantiation(true, CHECK);
// make sure klass is initialized
@ -370,6 +371,7 @@ JRT_ENTRY(void, Runtime1::new_object_array(JavaThread* thread, Klass* array_klas
// anymore after new_objArray() and no GC can happen before.
// (This may have to change if this code changes!)
assert(array_klass->is_klass(), "not a class");
Handle holder(THREAD, array_klass->klass_holder()); // keep the klass alive
Klass* elem_klass = ObjArrayKlass::cast(array_klass)->element_klass();
objArrayOop obj = oopFactory::new_objArray(elem_klass, length, CHECK);
thread->set_vm_result(obj);
@ -386,6 +388,7 @@ JRT_ENTRY(void, Runtime1::new_multi_array(JavaThread* thread, Klass* klass, int
assert(klass->is_klass(), "not a class");
assert(rank >= 1, "rank must be nonzero");
Handle holder(THREAD, klass->klass_holder()); // keep the klass alive
oop obj = ArrayKlass::cast(klass)->multi_allocate(rank, dims, CHECK);
thread->set_vm_result(obj);
JRT_END