DTraceAllocProbes in x86-64 templateTable?
David Holmes - Sun Microsystems
David.Holmes at Sun.COM
Thu Feb 4 18:24:31 PST 2010
Known bug: 6587322
Cheers,
David
Keith McGuigan said the following on 02/05/10 12:13:
> 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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