archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 15:24:43 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

8253920: Share method trampolines in CDS dynamic archive

Browse source 
Reviewed-by: redestad, minqi, iklam
This commit is contained in:
Calvin Cheung 2020-10-27 16:16:01 +00:00
parent 7d41a54188
commit 84e985da4b
8 changed files with 135 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/hotspot/share/classfile/systemDictionaryShared.cpp
View file

@ -1179,19 +1179,24 @@ InstanceKlass* SystemDictionaryShared::acquire_class_for_current_thread(
return shared_klass;
}
static ResourceHashtable<
class LoadedUnregisteredClassesTable : public ResourceHashtable<
Symbol*, bool,
primitive_hash<Symbol*>,
primitive_equals<Symbol*>,
6661, // prime number
ResourceObj::C_HEAP> _loaded_unregistered_classes;
ResourceObj::C_HEAP> {};
static LoadedUnregisteredClassesTable* _loaded_unregistered_classes = NULL;
bool SystemDictionaryShared::add_unregistered_class(InstanceKlass* k, TRAPS) {
// We don't allow duplicated unregistered classes of the same name.
assert(DumpSharedSpaces, "only when dumping");
Symbol* name = k->name();
if (_loaded_unregistered_classes == NULL) {
_loaded_unregistered_classes = new (ResourceObj::C_HEAP, mtClass)LoadedUnregisteredClassesTable();
}
bool created = false;
_loaded_unregistered_classes.put_if_absent(name, true, &created);
_loaded_unregistered_classes->put_if_absent(name, true, &created);
if (created) {
MutexLocker mu_r(THREAD, Compile_lock); // add_to_hierarchy asserts this.
SystemDictionary::add_to_hierarchy(k, CHECK_false);