get pointer stack

 nsDOMMouseLockable::Init (this=0x7fffe61cf130, aContentWindow=0x7fffdfbb5c00) at /home/diogogmt/mozilla-central/dom/base/nsDOMMouseLockable.cpp:102
#1  0x00007ffff3b9cf3b in mozilla::dom::Navigator::GetPointer (this=0x7fffdfb164e0, aPointer=0x7fffffff4d00)
    at /home/diogogmt/mozilla-central/dom/base/Navigator.cpp:791
#2  0x00007ffff48cebc5 in NS_InvokeByIndex_P (that=0x7fffdfb164e0, methodIndex=20, paramCount=1, params=0x7fffffff4d00)
    at /home/diogogmt/mozilla-central/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_x86_64_unix.cpp:195
#3  0x00007ffff40dc983 in CallMethodHelper::Invoke (this=0x7fffffff4cc0) at /home/diogogmt/mozilla-central/js/xpconnect/src/XPCWrappedNative.cpp:2927
#4  0x00007ffff40da8b1 in CallMethodHelper::Call (this=0x7fffffff4cc0) at /home/diogogmt/mozilla-central/js/xpconnect/src/XPCWrappedNative.cpp:2234
#5  0x00007ffff40d6f58 in XPCWrappedNative::CallMethod (ccx=..., mode=XPCWrappedNative::CALL_GETTER)
    at /home/diogogmt/mozilla-central/js/xpconnect/src/XPCWrappedNative.cpp:2200