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Re: [avr-gcc-list] Avoiding copy_data in config/avr/avr.c avr_file_start

From: Ben Jackson
Subject: Re: [avr-gcc-list] Avoiding copy_data in config/avr/avr.c avr_file_start()?
Date: Wed, 27 Jul 2005 21:11:06 -0700
User-agent: Mutt/1.5.6i

On Thu, Jul 28, 2005 at 01:01:47PM +1000, Erik Christiansen wrote:
> IIUC, you're seeking to use SIZEOF(.data) to conditioanlly link in a
> tiny section with just __do_copy_data in it. (ditto for .bss). 

Right.  However, I think it's doomed.  I'm getting into this case:

          else if (allocation_done == lang_final_phase_enum
                   || assigning_to_dot)
            einfo (_("%F%S: undefined symbol `%s' referenced in expression\n"),

so in fact my phase guess was not far off.  By the time SIZEOF(.data)
can be resolved, it's too late to add more stuff.  Makes sense in a way--
what if the 'more stuff' dragged in more .data?

Ben Jackson

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