code review for JDK FDS gobjcopy work arounds (7170449)

Daniel D. Daugherty daniel.daugherty at oracle.com
Thu May 24 11:40:12 UTC 2012


Thanks Serguei!

Dan


On 5/24/12 1:50 AM, serguei.spitsyn at oracle.com wrote:
> Dan,
>
> I've reviewed the fixes as did not notice any problems.
> Looks good.
>
> Thanks,
> Serguei
>
> On 5/23/12 12:50 PM, Daniel D. Daugherty wrote:
>> Greetings,
>>
>> This is a JDK code review request for a pair of Full Debug Symbols
>> gobjcopy work arounds on Solaris. The gobjcopy utility on Solaris 10
>> corrupts the SUNW_* sections on objects. This has caused dtrace test
>> failures and Monitoring & Management test failures. The gobjcopy
>> utility crashes due to empty sections with the SHF_ALLOC flagset on
>> Solaris X64 objects. This causes build failures.
>>
>> There are two new temporary work around tools:
>>
>> add_gnu_debuglink - adds the ".gnu_debuglink" section to an ELF
>>     object without corrupting the other sections in the object.
>>
>> fix_empty_sec_hdr_flags - removes the SHF_ALLOC flag from empty
>>     sections in ELF objects.
>>
>> These temporary work arounds are only needed until the proper
>> Solaris 10 Update 6 patches are made available. The two patches
>> are independent of one another which is why there are two
>> separate temporary work arounds. However, we're putting the
>> temporary work arounds in place because the 7u6 project window
>> is closing fast.
>>
>> Here is the webrev URL for the JDK8-T&L version:
>>
>> http://cr.openjdk.java.net/~dcubed/fds_revamp/7170449-webrev/0/
>>
>> This fix will also be backported to 7u6-T&L and I expect the
>> changes to virtually identical.
>>
>> Thanks, in advance, for any reviews!
>>
>> Dan
>>
>>
>
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