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8204540: Automatic oop closure devirtualization

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Reviewed-by: kbarrett, eosterlund
This commit is contained in:
Stefan Karlsson 2018-05-26 06:59:49 +02:00
parent af4bf0927b
commit 11813888b8
101 changed files with 1024 additions and 1576 deletions
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59
src/hotspot/share/oops/instanceKlass.hpp
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@ -29,7 +29,6 @@
#include "classfile/classLoaderData.hpp"
#include "classfile/moduleEntry.hpp"
#include "classfile/packageEntry.hpp"
#include "gc/shared/specialized_oop_closures.hpp"
#include "memory/referenceType.hpp"
#include "oops/annotations.hpp"
#include "oops/constMethod.hpp"
@ -120,8 +119,11 @@ class InstanceKlass: public Klass {
friend class ClassFileParser;
friend class CompileReplay;
public:
static const KlassID ID = InstanceKlassID;
protected:
InstanceKlass(const ClassFileParser& parser, unsigned kind);
InstanceKlass(const ClassFileParser& parser, unsigned kind, KlassID id = ID);
public:
InstanceKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
@ -1225,89 +1227,56 @@ public:
#endif
// Oop fields (and metadata) iterators
// [nv = true] Use non-virtual calls to do_oop_nv.
// [nv = false] Use virtual calls to do_oop.
//
// The InstanceKlass iterators also visits the Object's klass.
// Forward iteration
public:
// Iterate over all oop fields in the oop maps.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate_oop_maps(oop obj, OopClosureType* closure);
protected:
// Iterate over all oop fields and metadata.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline int oop_oop_iterate(oop obj, OopClosureType* closure);
private:
// Iterate over all oop fields in the oop maps.
// Specialized for [T = oop] or [T = narrowOop].
template <bool nv, typename T, class OopClosureType>
inline void oop_oop_iterate_oop_maps_specialized(oop obj, OopClosureType* closure);
// Iterate over all oop fields in one oop map.
template <bool nv, typename T, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate_oop_map(OopMapBlock* map, oop obj, OopClosureType* closure);
// Reverse iteration
#if INCLUDE_OOP_OOP_ITERATE_BACKWARDS
public:
// Iterate over all oop fields in the oop maps.
template <bool nv, class OopClosureType>
inline void oop_oop_iterate_oop_maps_reverse(oop obj, OopClosureType* closure);
protected:
// Iterate over all oop fields and metadata.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline int oop_oop_iterate_reverse(oop obj, OopClosureType* closure);
private:
// Iterate over all oop fields in the oop maps.
// Specialized for [T = oop] or [T = narrowOop].
template <bool nv, typename T, class OopClosureType>
inline void oop_oop_iterate_oop_maps_specialized_reverse(oop obj, OopClosureType* closure);
template <typename T, class OopClosureType>
inline void oop_oop_iterate_oop_maps_reverse(oop obj, OopClosureType* closure);
// Iterate over all oop fields in one oop map.
template <bool nv, typename T, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate_oop_map_reverse(OopMapBlock* map, oop obj, OopClosureType* closure);
#endif // INCLUDE_OOP_OOP_ITERATE_BACKWARDS
// Bounded range iteration
public:
// Iterate over all oop fields in the oop maps.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate_oop_maps_bounded(oop obj, OopClosureType* closure, MemRegion mr);
protected:
// Iterate over all oop fields and metadata.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline int oop_oop_iterate_bounded(oop obj, OopClosureType* closure, MemRegion mr);
private:
// Iterate over all oop fields in the oop maps.
// Specialized for [T = oop] or [T = narrowOop].
template <bool nv, typename T, class OopClosureType>
inline void oop_oop_iterate_oop_maps_specialized_bounded(oop obj, OopClosureType* closure, MemRegion mr);
// Iterate over all oop fields in one oop map.
template <bool nv, typename T, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate_oop_map_bounded(OopMapBlock* map, oop obj, OopClosureType* closure, MemRegion mr);
public:
ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL)
ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL)
#if INCLUDE_OOP_OOP_ITERATE_BACKWARDS
ALL_OOP_OOP_ITERATE_CLOSURES_1(OOP_OOP_ITERATE_DECL_BACKWARDS)
ALL_OOP_OOP_ITERATE_CLOSURES_2(OOP_OOP_ITERATE_DECL_BACKWARDS)
#endif
u2 idnum_allocated_count() const { return _idnum_allocated_count; }
public: