Mercurial > hg > truffle

comparison src/share/vm/gc_implementation/parallelScavenge/psTasks.cpp @ 989:148e5441d916

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6863023: need non-perm oops in code cache for JSR 292 Summary: Make a special root-list for those few nmethods which might contain non-perm oops. Reviewed-by: twisti, kvn, never, jmasa, ysr
author jrose
date Tue, 15 Sep 2009 21:53:47 -0700
parents d1605aabd0a1
children c18cbe5936b8
comparison
equal deleted inserted replaced
987:00977607da34 989:148e5441d916
64 break; 64 break;
65 65
66 case threads: 66 case threads:
67 { 67 {
68 ResourceMark rm; 68 ResourceMark rm;
69 Threads::oops_do(&roots_closure); 69 Threads::oops_do(&roots_closure, NULL);
70 } 70 }
71 break; 71 break;
72 72
73 case object_synchronizer: 73 case object_synchronizer:
74 ObjectSynchronizer::oops_do(&roots_closure); 74 ObjectSynchronizer::oops_do(&roots_closure);
88 88
89 case jvmti: 89 case jvmti:
90 JvmtiExport::oops_do(&roots_closure); 90 JvmtiExport::oops_do(&roots_closure);
91 break; 91 break;
92 92
93
94 case code_cache:
95 {
96 CodeBlobToOopClosure each_scavengable_code_blob(&roots_closure, /*do_marking=*/ true);
97 CodeCache::scavenge_root_nmethods_do(&each_scavengable_code_blob);
98 }
99 break;
100
93 default: 101 default:
94 fatal("Unknown root type"); 102 fatal("Unknown root type");
95 } 103 }
96 104
97 // Do the real work 105 // Do the real work
105 void ThreadRootsTask::do_it(GCTaskManager* manager, uint which) { 113 void ThreadRootsTask::do_it(GCTaskManager* manager, uint which) {
106 assert(Universe::heap()->is_gc_active(), "called outside gc"); 114 assert(Universe::heap()->is_gc_active(), "called outside gc");
107 115
108 PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which); 116 PSPromotionManager* pm = PSPromotionManager::gc_thread_promotion_manager(which);
109 PSScavengeRootsClosure roots_closure(pm); 117 PSScavengeRootsClosure roots_closure(pm);
118 CodeBlobToOopClosure roots_in_blobs(&roots_closure, /*do_marking=*/ true);
110 119
111 if (_java_thread != NULL) 120 if (_java_thread != NULL)
112 _java_thread->oops_do(&roots_closure); 121 _java_thread->oops_do(&roots_closure, &roots_in_blobs);
113 122
114 if (_vm_thread != NULL) 123 if (_vm_thread != NULL)
115 _vm_thread->oops_do(&roots_closure); 124 _vm_thread->oops_do(&roots_closure, &roots_in_blobs);
116 125
117 // Do the real work 126 // Do the real work
118 pm->drain_stacks(false); 127 pm->drain_stacks(false);
119 } 128 }
120 129