--- old/src/share/vm/oops/oop.cpp 2017-04-25 16:45:26.383173403 +0200 +++ new/src/share/vm/oops/oop.cpp 2017-04-25 16:45:26.271173407 +0200 @@ -28,6 +28,7 @@ #include "memory/resourceArea.hpp" #include "oops/oop.inline.hpp" #include "oops/verifyOopClosure.hpp" +#include "runtime/access.inline.hpp" #include "runtime/handles.inline.hpp" #include "runtime/thread.inline.hpp" #include "utilities/copy.hpp" @@ -138,3 +139,54 @@ // Only has a klass gap when compressed class pointers are used. return UseCompressedClassPointers; } + +oop oopDesc::obj_field_acquire(int offset) const { return HeapAccess::oop_load_at(oop_base(), offset); } + +void oopDesc::obj_field_put_raw(int offset, oop value) { BasicAccess<>::oop_store_at(oop_base(), offset, value); } +void oopDesc::release_obj_field_put(int offset, oop value) { HeapAccess::oop_store_at(oop_base(), offset, value); } +void oopDesc::obj_field_put_volatile(int offset, oop value) { HeapAccess::oop_store_at(oop_base(), offset, value); } + +address oopDesc::address_field(int offset) const { return HeapAccess<>::load_at(oop_base(), offset); } +address oopDesc::address_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } + +void oopDesc::address_field_put(int offset, address value) { HeapAccess<>::store_at(oop_base(), offset, value); } +void oopDesc::release_address_field_put(int offset, address value) { HeapAccess::store_at(oop_base(), offset, value); } + +Metadata* oopDesc::metadata_field(int offset) const { return HeapAccess<>::load_at(oop_base(), offset); } +void oopDesc::metadata_field_put(int offset, Metadata* value) { HeapAccess<>::store_at(oop_base(), offset, value); } + +jbyte oopDesc::byte_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_byte_field_put(int offset, jbyte value) { HeapAccess::store_at(oop_base(), offset, value); } + +jchar oopDesc::char_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_char_field_put(int offset, jchar value) { HeapAccess::store_at(oop_base(), offset, value); } + +jboolean oopDesc::bool_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_bool_field_put(int offset, jboolean value) { HeapAccess::store_at(oop_base(), offset, jboolean(value & 1)); } + +jint oopDesc::int_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_int_field_put(int offset, jint value) { HeapAccess::store_at(oop_base(), offset, value); } + +jshort oopDesc::short_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_short_field_put(int offset, jshort value) { HeapAccess::store_at(oop_base(), offset, value); } + +jlong oopDesc::long_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_long_field_put(int offset, jlong value) { HeapAccess::store_at(oop_base(), offset, value); } + +jfloat oopDesc::float_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_float_field_put(int offset, jfloat value) { HeapAccess::store_at(oop_base(), offset, value); } + +jdouble oopDesc::double_field_acquire(int offset) const { return HeapAccess::load_at(oop_base(), offset); } +void oopDesc::release_double_field_put(int offset, jdouble value) { HeapAccess::store_at(oop_base(), offset, value); } + +// These functions are only used to exchange oop fields in instances, +// not headers. +oop oopDesc::atomic_exchange_oop(oop exchange_value, volatile HeapWord *dest) { + return HeapAccess::oop_swap(exchange_value, dest); +} + +oop oopDesc::atomic_compare_exchange_oop(oop exchange_value, + volatile HeapWord *dest, + oop compare_value) { + return HeapAccess::oop_cas(exchange_value, dest, compare_value); +}