DTraceAllocProbes in x86-64 templateTable?

Keith McGuigan Keith.McGuigan at Sun.COM
Thu Feb 4 18:13:13 PST 2010

Jeremy Manson wrote:
> Hi folks,
> I noticed that the call to DTraceAllocProbes in the 64-bit x86
> templateTable is directly after a jump instruction that jumps over it.
>  I don't have dtrace to check, but that can't be right, can it?
> It's line 3245 of:
> http://hg.openjdk.java.net/jdk7/hotspot-comp-gate/hotspot/file/c028504fdaa6/src/cpu/x86/vm/templateTable_x86_64.cpp
> The 32-bit version appears to have this code correctly placed above the jmp.

Yes, that looks wrong.  Good catch.  I'll verify w/dtrace that this is 
actually wrong and file a bug if so (which I'm sure it will be).

- Keith

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