[10] RFR 8191510: Bump classfile version number to 54

Alan Bateman Alan.Bateman at oracle.com
Tue Dec 5 14:39:58 UTC 2017

On 04/12/2017 23:47, mandy chung wrote:
> On 12/4/17 3:26 PM, David Holmes wrote:
>>> And classfile_constants.h is also distributed with the image. I am 
>>> unsure of the intent/history. To play it safe i will just bump the 
>>> number.
>> Hmmm - that seems wrong. jvm.h is not an exported external interface 
>> AFAIK. And we just moved it so I don't think it will get distributed 
>> any more. Hmm that also suggests that classfile_constants.h may be in 
>> the wrong place ... I'll take this up elsewhere.
> classfile_constants.h was added to ${java.home}/include in JDK 6 
> [1].   It was intended for BCI native agent to use.
Yes, the now defunct HPROF agent and its buddy java_crw_demo used this, 
also the old verifier. Nothing to do with Paul's update then it's worth 
seeing if there are usages outside of the JDK, it may be that it can be 
dropped from the include directory in the future.


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