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Re: enhance .loc directive for dwarf3 special features
On Wed, Sep 07, 2005 at 10:44:05AM -0700, Richard Henderson wrote:
> On Wed, Sep 07, 2005 at 09:28:56AM -0400, Daniel Jacobowitz wrote:
> > Hmm, I would have expected:
> >
> > .loc [FILE LINE [COLUMN]] [basic_block] [is_stmt [VALUE]]
> >
> > et cetera. I think it's still unambiguous. The chattier we make these
> > things, the longer it'll take to assemble them... but probably not a
> > big deal.
>
> I suppose that's possible as well, yes. I hadn't liked that because
> it makes the column number non-optional, but having the user add the
> one zero is not that big a deal.
It shouldn't... none of the new qualifiers start with a number.
basic_block consumes one item, is_stmt consumes one and another if it's
a number, require file/line/optional-column to appear first in the list
to prevent ambiguity in ".loc is_stmt 1 1 1".
--
Daniel Jacobowitz
CodeSourcery, LLC