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src/hotspot/share/gc/z/zNMethodData.cpp
* questions.
*/
#include "precompiled.hpp"
#include "gc/z/zLock.inline.hpp"
- #include "gc/z/zNMethodAllocator.hpp"
#include "gc/z/zNMethodData.hpp"
#include "memory/allocation.hpp"
#include "runtime/atomic.hpp"
#include "runtime/orderAccess.hpp"
#include "utilities/align.hpp"
#include "utilities/debug.hpp"
#include "utilities/growableArray.hpp"
size_t ZNMethodDataOops::header_size() {
const size_t size = sizeof(ZNMethodDataOops);
assert(is_aligned(size, sizeof(oop*)), "Header misaligned");
* questions.
*/
#include "precompiled.hpp"
#include "gc/z/zLock.inline.hpp"
#include "gc/z/zNMethodData.hpp"
#include "memory/allocation.hpp"
#include "runtime/atomic.hpp"
#include "runtime/orderAccess.hpp"
#include "utilities/align.hpp"
#include "utilities/debug.hpp"
+ #include "utilities/globalCounter.inline.hpp"
#include "utilities/growableArray.hpp"
size_t ZNMethodDataOops::header_size() {
const size_t size = sizeof(ZNMethodDataOops);
assert(is_aligned(size, sizeof(oop*)), "Header misaligned");
***************
ZNMethodDataOops* ZNMethodDataOops::create(const GrowableArray<oop*>& immediates, bool has_non_immediates) {
// Allocate memory for the ZNMethodDataOops object
// plus the immediate oop* array that follows right after.
const size_t size = ZNMethodDataOops::header_size() + (sizeof(oop*) * immediates.length());
! void* const mem = ZNMethodAllocator::allocate(size);
return ::new (mem) ZNMethodDataOops(immediates, has_non_immediates);
}
void ZNMethodDataOops::destroy(ZNMethodDataOops* oops) {
! ZNMethodAllocator::free(oops);
}
ZNMethodDataOops::ZNMethodDataOops(const GrowableArray<oop*>& immediates, bool has_non_immediates) :
_nimmediates(immediates.length()),
_has_non_immediates(has_non_immediates) {
ZNMethodDataOops* ZNMethodDataOops::create(const GrowableArray<oop*>& immediates, bool has_non_immediates) {
// Allocate memory for the ZNMethodDataOops object
// plus the immediate oop* array that follows right after.
const size_t size = ZNMethodDataOops::header_size() + (sizeof(oop*) * immediates.length());
! void* const mem = NEW_C_HEAP_ARRAY(uint8_t, size, mtGC);
return ::new (mem) ZNMethodDataOops(immediates, has_non_immediates);
}
void ZNMethodDataOops::destroy(ZNMethodDataOops* oops) {
! FREE_C_HEAP_ARRAY(uint8_t, oops);
}
ZNMethodDataOops::ZNMethodDataOops(const GrowableArray<oop*>& immediates, bool has_non_immediates) :
_nimmediates(immediates.length()),
_has_non_immediates(has_non_immediates) {
***************
ZNMethodData::ZNMethodData() :
_lock(),
_oops(NULL) {}
ZNMethodData::~ZNMethodData() {
! ZNMethodAllocator::free(_oops);
}
ZReentrantLock* ZNMethodData::lock() {
return &_lock;
}
ZNMethodData::ZNMethodData() :
_lock(),
_oops(NULL) {}
ZNMethodData::~ZNMethodData() {
! ZNMethodDataOops::destroy(_oops);
}
ZReentrantLock* ZNMethodData::lock() {
return &_lock;
}
***************
ZNMethodDataOops* ZNMethodData::oops() const {
return OrderAccess::load_acquire(&_oops);
}
ZNMethodDataOops* ZNMethodData::swap_oops(ZNMethodDataOops* new_oops) {
! return Atomic::xchg(new_oops, &_oops);
}
ZNMethodDataOops* ZNMethodData::oops() const {
return OrderAccess::load_acquire(&_oops);
}
ZNMethodDataOops* ZNMethodData::swap_oops(ZNMethodDataOops* new_oops) {
! ZNMethodDataOops* const oops = Atomic::xchg(new_oops, &_oops);
! if (oops != NULL) {
! GlobalCounter::write_synchronize();
! }
! return oops;
}
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