ART: Add heap iteration callback

Add callback support for heap iteration. Visiting of fields will
be done in a follow-up.

Add a test.

Bug: 31385354
Test: m test-art-host-run-test-906-iterate-heap
Test: m ART_TEST_GC_STRESS=true ART_TEST_GC_VERIFY=true test-art-host-run-test-906-iterate-heap
Change-Id: I7bcf6751e6df4ef58756ba97701050b2ff5eb07b

1 files changed, 3 insertions, 1 deletions

diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index 36be2a0127..05da585b3a 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -39,6 +39,7 @@
 #include "art_jvmti.h"
 #include "base/mutex.h"
 #include "events-inl.h"
+#include "heap.h"
 #include "jni_env_ext-inl.h"
 #include "object_tagging.h"
 #include "obj_ptr-inl.h"
@@ -276,7 +277,8 @@ class JvmtiFunctions {
                                        jclass klass,
                                        const jvmtiHeapCallbacks* callbacks,
                                        const void* user_data) {
-    return ERR(NOT_IMPLEMENTED);
+    HeapUtil heap_util(&gObjectTagTable);
+    return heap_util.IterateThroughHeap(env, heap_filter, klass, callbacks, user_data);
   }
 
   static jvmtiError GetTag(jvmtiEnv* env, jobject object, jlong* tag_ptr) {