RFR (XS) 8212609: Minimal VM build failure after JDK-8210498 (nmethod entry barriers)

[Erik Osterlund]

Hi Aleksey,

Looks good. Thanks for fixing.

/Erik

> On 17 Oct 2018, at 17:47, Aleksey Shipilev <shade at redhat.com> wrote:
> 
> Bug:
>  https://bugs.openjdk.java.net/browse/JDK-8212609
> 
> Fix:
> 
> diff -r cba34f27d9ce src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp
> --- a/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp      Wed Oct 17 22:06:55 2018 +0800
> +++ b/src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp      Wed Oct 17 17:42:14 2018 +0200
> @@ -34,6 +34,8 @@
> #include "code/vtableStubs.hpp"
> #include "gc/shared/collectedHeap.hpp"
> #include "gc/shared/gcLocker.hpp"
> +#include "gc/shared/barrierSet.hpp"
> +#include "gc/shared/barrierSetAssembler.hpp"
> #include "interpreter/interpreter.hpp"
> #include "logging/log.hpp"
> #include "memory/resourceArea.hpp"
> 
> 
> I contemplated ifdef-ing the actual call to BSAsm here:
> 
>  BarrierSetAssembler* bs = BarrierSet::barrier_set()->barrier_set_assembler();
>  bs->nmethod_entry_barrier(masm);
> 
> ...but thought it is cleaner to let barrier BSAsm figure out whatever compiler-specific thing needs
> to be done.
> 
> Testing: x86_64-minimal builds
> 
> Thanks,
> -Aleksey
>