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Re: gij runs HelloWorld on PPC Linux
- To: tromey at redhat dot com
- Subject: Re: gij runs HelloWorld on PPC Linux
- From: Jeff Sturm <jeff dot sturm at commerceone dot com>
- Date: Mon, 12 Feb 2001 12:59:29 -0500
- CC: Mark Wielaard <mark at klomp dot org>, "Kevin B . Hendricks" <khendricks at ivey dot uwo dot ca>, java at gcc dot gnu dot org
- Organization: Commerce One
- References: <Pine.LNX.4.10.10102111602030.23857-100000@cc42593-a> <87hf20xsmy.fsf@creche.redhat.com>
Tom Tromey wrote:
> We already have a `NULLCHECK' call in that branch. However, when we
> know how to catch SEGV, NULLCHECK is defined to do nothing.
Yes. My understanding is that the NULLCHECK macro exists for (embedded?)
platforms that may not have hardware support.
> I was going to say that need NULLCHECK and MAYBE_NULLCHECK. But I
> think this is the only place that matters.
I agree it's a special case. There was an analogous fix for the compiler:
http://gcc.gnu.org/ml/gcc-patches/2000-04/msg01161.html
Odd thing is, the compiler doesn't seem to have anything like NULLCHECK. Maybe
it isn't needed on any interesting platforms.
--
Jeff Sturm
jeff.sturm@commerceone.com