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Re: Checkpoint-restart with different code


>> My question is, has anybody heard of anything that can do this? 
>> Obviously, this kind of checkpointing would require compiler support, so 
>> gdb wouldn't have done this, but have you heard of any systems/research 
>> that has addressed this question? Thanks.
> 
> Better: I know at least one production debug environment which supports
> this - Apple's Xcode.  The option is called fix-and-continue.  I don't
> think they combine it with checkpointing, though, only as an action on
> a running process.  It's partly compiler-based and partly in their
> debug environment.
> 
> Merging that with Michael's fork-based code would be fairly
> straightforward, I expect.

HP's wdb (which is derived from gdb) claims to support this with HP
compilers. I have not tried it though.

http://www.hp.com/go/wdb

randolph


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