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Re: [Discuss-gnuradio] configure tests?
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] configure tests? |
Date: |
Sun, 28 May 2006 07:48:31 -0700 |
User-agent: |
Mutt/1.5.9i |
On Sat, May 27, 2006 at 09:44:38PM -0400, Michael Dickens wrote:
> >>> in test.asm (syntax could be wrong...)
> >>>
> >>> .globl _start_test, _end_test
> >>>
> >>> .align 16
> >>> _start_test:
> >>> .db 1
> >>> .align 4
> >>> _end_test:
> >>>
> >>>Then use nm to extract the resulting symbol values, followed by some
> >>>python, etc to compute difference.
> >>
> >>Yes, something like that, but '.align 16' is too big. sed could do
> >>the trick too.
> >
> >By too big, do you mean that some tool complains?
>
> gcc complains that "Alignment too large: 15. assumed." I guess
> alignment can be at most 2^15, but 2^16 is too big ... not sure what
> the page size on OSX is but they're probably related. Anyway, testing
> for ".align 4" is pretty safe. - MLD
OK. Thanks for the info.
Eric