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8189871: Refactor GC barriers to use declarative semantics

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Reviewed-by: pliden, rkennke, coleenp, dholmes, kbarrett, stefank
This commit is contained in:
Erik Österlund 2017-11-20 13:07:44 +01:00
parent 63122ba705
commit 3e5e2f03b1
45 changed files with 3458 additions and 806 deletions
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44
src/hotspot/share/oops/oop.cpp
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@ -37,8 +37,6 @@
bool always_do_update_barrier = false;
BarrierSet* oopDesc::_bs = NULL;
void oopDesc::print_on(outputStream* st) const {
if (this == NULL) {
st->print_cr("NULL");
@ -175,6 +173,48 @@ bool oopDesc::has_klass_gap() {
return UseCompressedClassPointers;
}
oop oopDesc::obj_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::oop_load_at(as_oop(), offset); }
void oopDesc::obj_field_put_raw(int offset, oop value) { RawAccess<>::oop_store_at(as_oop(), offset, value); }
void oopDesc::release_obj_field_put(int offset, oop value) { HeapAccess<MO_RELEASE>::oop_store_at(as_oop(), offset, value); }
void oopDesc::obj_field_put_volatile(int offset, oop value) { HeapAccess<MO_SEQ_CST>::oop_store_at(as_oop(), offset, value); }
address oopDesc::address_field(int offset) const { return HeapAccess<>::load_at(as_oop(), offset); }
address oopDesc::address_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::address_field_put(int offset, address value) { HeapAccess<>::store_at(as_oop(), offset, value); }
void oopDesc::release_address_field_put(int offset, address value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
Metadata* oopDesc::metadata_field(int offset) const { return HeapAccess<>::load_at(as_oop(), offset); }
void oopDesc::metadata_field_put(int offset, Metadata* value) { HeapAccess<>::store_at(as_oop(), offset, value); }
Metadata* oopDesc::metadata_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_metadata_field_put(int offset, Metadata* value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
jbyte oopDesc::byte_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_byte_field_put(int offset, jbyte value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
jchar oopDesc::char_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_char_field_put(int offset, jchar value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
jboolean oopDesc::bool_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_bool_field_put(int offset, jboolean value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, jboolean(value & 1)); }
jint oopDesc::int_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_int_field_put(int offset, jint value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
jshort oopDesc::short_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_short_field_put(int offset, jshort value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
jlong oopDesc::long_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_long_field_put(int offset, jlong value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
jfloat oopDesc::float_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_float_field_put(int offset, jfloat value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
jdouble oopDesc::double_field_acquire(int offset) const { return HeapAccess<MO_ACQUIRE>::load_at(as_oop(), offset); }
void oopDesc::release_double_field_put(int offset, jdouble value) { HeapAccess<MO_RELEASE>::store_at(as_oop(), offset, value); }
#if INCLUDE_CDS_JAVA_HEAP
bool oopDesc::is_archive_object(oop p) {
return (p == NULL) ? false : G1ArchiveAllocator::is_archive_object(p);