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List:       openjdk-serviceability-dev
Subject:    Re: RFR (S) 7178741: SA: jstack -m produce UnalignedAddressException in output (Linux)
From:       Kevin Walls <kevin.walls () oracle ! com>
Date:       2013-02-26 9:16:12
Message-ID: 512C7D5C.3080809 () oracle ! com
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Thanks Staffan, thanks Poonam, ...


  On 21/02/13 16:08, Poonam Bajaj wrote:
> Hi Kevin,
>
> The changes look good.
>
> Thanks,
> Poonam
>
> On 2/21/2013 8:55 PM, Kevin Walls wrote:
>> Hi,
>>
>> I'd like to get reviews on this small SA fix:
>>
>> http://cr.openjdk.java.net/~kevinw/7178741/webrev_8.00/
>>
>> jstack -m follows native frames, and gets confused if it can't follow 
>> from frame pointer to saved frame pointer.  Additional sanity checks 
>> on the register values avoid lengthy exception messages in the middle 
>> of jstack -m output.
>>
>> This kind of check has been in JDK6 for a while, so we want to get 
>> latest hs25 providing the same readable output.
>>
>> There's another bug 6313816 for the same problem on Windows, but the 
>> change isn't the same there so I'm leaving the bugs separate.
>>
>> Thanks
>> Kevin
>>

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