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From "Alexey Varlamov" <alexey.v.varla...@gmail.com>
Subject Re: [drlvm] Ignoring Sun command line options?
Date Thu, 15 Feb 2007 16:55:41 GMT
2007/2/15, Gregory Shimansky <gshimansky@gmail.com>:
> Alexey Varlamov wrote:
> > In my understanding, we face 2 issues here:
> > 1) Support "-XX:" format for internal options; this is straightforward
> > and I'll fix this shortly.
> > This way such options will not be refused but silently ignored.
>
> Ignoring them silently I think it not the right thing to do. Why not add
> a warning like JRockit does, so that application developers would pay
> more attention to the options that they pass to the VM?

Yes, this should be resolved with the 2nd part; AFAIU this is the only
way to do it consistently.
Don't you suggest to hardcode all options we aware of at the moment
and warn on uknown? IMO this would be unmaintanable, e.g. jitrino has
tons of options and they are added/changed quite often.

> > 2) Validate all specified internal options. More generally, VM
> > components should parse/validate related cmd-line args and report
> > back, instead of current hardcoded parsing in vmcore. This is a good
> > designing exercise, need to consider possible circular dependencies
> > between components and such. Any volunteers?
> >

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