Add VMs with handles

Author: jacob-hughes

softdev.bib

@@ -3043,3 +3043,20 @@ @article{armbruster07real
     month = Dec,
     publisher={{ACM}}
 }
+
+@misc{hotspot07handles,
+    title = {The {HotSpot} runtime},
+    howpublished = {\url{https://github.com/openjdk/jdk/blob/master/src/hotspot/share/runtime/handles.hpp#L36}},
+    note = {Accessed: 2023-03-03},
+    month = Dec,
+    year = {2007},
+    author = {Oracle},
+}
+
+@misc{egorovdart,
+    title = {Garbage Collection in {{Dart}}},
+    howpublished = {\url{https://mrale.ph/dartvm/gc.html}},
+    note = {Accessed: 2023-03-03},
+    year = {Unknown year},
+    author = {Vyacheslav Egorov},
+}