hg: jdk9/hs-rt/hotspot: 8130448: thread dump improvements, comment additions, new diagnostics inspired by 8077392

[daniel.daugherty at oracle.com]

Changeset: 3414cc0d6318
Author:    dcubed
Date:      2015-07-14 09:33 -0700
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/hotspot/rev/3414cc0d6318

8130448: thread dump improvements, comment additions, new diagnostics inspired by 8077392
Reviewed-by: dholmes, coleenp

! src/cpu/x86/vm/macroAssembler_x86.cpp
! src/share/vm/oops/markOop.cpp
! src/share/vm/runtime/objectMonitor.cpp
! src/share/vm/runtime/objectMonitor.hpp
! src/share/vm/runtime/synchronizer.cpp
! src/share/vm/runtime/thread.cpp
! src/share/vm/runtime/vframe.cpp
! src/share/vm/runtime/vframe.hpp