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From: Jason Merrill <jason@cygnus.com>
To: Ian Lance Taylor <ian@zembu.com>
Cc: bfd@cygnus.com
Subject: Re: Jumptables: How painful to hack?
Date: Wed, 31 Mar 1999 11:16:00 -0000	[thread overview]
Message-ID: <u9emm5mpv6.fsf@yorick.cygnus.com> (raw)
In-Reply-To: <19990331155651.18995.qmail@comton.airs.com>

>>>>> Ian Lance Taylor <ian@zembu.com> writes:

 >    Date: Tue, 30 Mar 1999 21:09:18 -0800
 >    From: Jason Merrill <jason@cygnus.com>

 >    A question for folks who have worked on BFD for a while: How horrible
 >    are jumptables to deal with?  I'm looking at parameterizing the g++
 >    ABI, and am strongly considering that as an implementation strategy.

 > I started to reply, but then I realized that it depends upon what you
 > mean by the g++ ABI.  Do you mean the code that g++ generates, or do
 > you mean the files in gcc/cp?  The former already uses jumptables, of
 > course, since that's what virtual functions are, and I'm not sure in
 > what sense the latter has an ABI.

I mean the latter.  The C++ ABI involves things like object layout,
handling of virtual functions and bases, name mangling and such things.

Jason

  reply	other threads:[~1999-03-31 11:16 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1999-03-30 21:09 Jason Merrill
1999-03-31  7:57 ` Ian Lance Taylor
1999-03-31 11:16   ` Jason Merrill [this message]
1999-03-31 11:28     ` Ian Lance Taylor

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