archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-19 10:34:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8229258: Rework markOop and markOopDesc into a simpler mark word value carrier

Browse source 
Reviewed-by: rkennke, coleenp, kbarrett, dcubed
This commit is contained in:
Stefan Karlsson 2019-08-06 10:48:21 +02:00
parent f075a3278b
commit ae5615c614
132 changed files with 1215 additions and 1236 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/hotspot/share/prims/jvmtiEnvBase.cpp
View file

@ -965,18 +965,18 @@ JvmtiEnvBase::get_object_monitor_usage(JavaThread* calling_thread, jobject objec
address owner = NULL;
{
markOop mark = hobj()->mark();
markWord mark = hobj()->mark();
if (!mark->has_monitor()) {
if (!mark.has_monitor()) {
// this object has a lightweight monitor
if (mark->has_locker()) {
owner = (address)mark->locker(); // save the address of the Lock word
if (mark.has_locker()) {
owner = (address)mark.locker(); // save the address of the Lock word
}
// implied else: no owner
} else {
// this object has a heavyweight monitor
mon = mark->monitor();
mon = mark.monitor();
// The owner field of a heavyweight monitor may be NULL for no
// owner, a JavaThread * or it may still be the address of the