commit 412c7fced915fc8d4d5e4166e977d55c809168a6
author Mathieu Chartier <mathieuc@google.com> Fri Feb 07 12:18:39 2014 -0800
committer Mathieu Chartier <mathieuc@google.com> Sat Feb 08 15:23:36 2014 -0800
tree b8efee7f46a440f3e89765b1e9b2aa6454839c87
parent 109e2b34799a377a0407781fc32ec1ec607d6c41

Make debugger / jdwp compaction safe.

Fixed GetInstances, GetReferringObjects, CountInstances to use
VisitObjects instead of the live bitmap.

We now treat the object registry as system weaks and update the
objects when/if they move. Also added the recent_allocation_records_
as roots.

Bug: 12936165

Change-Id: I615c289efbf2977ceab5c4ffa73d216d799e6e33

runtime/debugger.h

diff --git a/runtime/debugger.h b/runtime/debugger.h
index 328c9cd..f1e3f45 100644
--- a/runtime/debugger.h
+++ b/runtime/debugger.h
@@ -452,6 +452,10 @@
   static jbyteArray GetRecentAllocations() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
   static void DumpRecentAllocations();
 
+  // Updates the stored direct object pointers (called from SweepSystemWeaks).
+  static void UpdateObjectPointers(RootVisitor* visitor, void* arg)
+      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+
   enum HpifWhen {
     HPIF_WHEN_NEVER = 0,
     HPIF_WHEN_NOW = 1,
@@ -476,6 +480,9 @@
   static void DdmSendHeapSegments(bool native)
       SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
 
+  static void AllowNewObjectRegistryObjects() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+  static void DisallowNewObjectRegistryObjects() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+
  private:
   static void DdmBroadcast(bool connect) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
   static void PostThreadStartOrStop(Thread*, uint32_t)