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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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31
src/hotspot/share/oops/instanceClassLoaderKlass.hpp
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@ -25,7 +25,6 @@
#ifndef SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
#define SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP
#include "gc/shared/specialized_oop_closures.hpp"
#include "oops/instanceKlass.hpp"
#include "utilities/macros.hpp"
@ -40,8 +39,11 @@ class ClassFileParser;
class InstanceClassLoaderKlass: public InstanceKlass {
friend class VMStructs;
friend class InstanceKlass;
private:
InstanceClassLoaderKlass(const ClassFileParser& parser) : InstanceKlass(parser, InstanceKlass::_misc_kind_class_loader) {}
public:
static const KlassID ID = InstanceClassLoaderKlassID;
private:
InstanceClassLoaderKlass(const ClassFileParser& parser) : InstanceKlass(parser, InstanceKlass::_misc_kind_class_loader, ID) {}
public:
InstanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); }
@ -57,39 +59,24 @@ 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 InstanceClassLoaderKlass iterators also visit the CLD pointer (or mirror of anonymous klasses.)
private:
public:
// Forward iteration
// Iterate over the oop fields and metadata.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate(oop obj, OopClosureType* closure);
#if INCLUDE_OOP_OOP_ITERATE_BACKWARDS
// Reverse iteration
// Iterate over the oop fields and metadata.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate_reverse(oop obj, OopClosureType* closure);
#endif
// Bounded range iteration
// Iterate over the oop fields and metadata.
template <bool nv, class OopClosureType>
template <typename T, class OopClosureType>
inline void oop_oop_iterate_bounded(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
};
#endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP