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[Bug ld/13410] [avr]: error: relocation truncated to fit: R_AVR_13_PCREL

From: childbear0 at gmail dot com
Subject: [Bug ld/13410] [avr]: error: relocation truncated to fit: R_AVR_13_PCREL against symbol
Date: Fri, 03 Feb 2012 08:30:31 +0000


--- Comment #13 from Vidya Praveen <childbear0 at gmail dot com> 2012-02-03 
08:30:31 UTC ---
(In reply to comment #12)
> The patch reads:
> +  /* If 'shrinkable' is FALSE, do not shrink by deleting bytes while
> +     relaxing. Such shrinking can cause issues for the sections such 
> +     as .vectors and .jumptables. Instead the unused bytes should be 
> +     filled with nop instructions. */
> +  bfd_boolean shrinkable = TRUE;
> +
> +  if (!strcmp (sec->name,".vectors")
> +      || !strcmp (sec->name,".jumptables"))
> +    shrinkable = FALSE;
> Shouln't this also cover .jumptables* and .progmem.gcc* ?
> avr-gcc puts its jumptables into .progmem.gcc_sw_table for instance.
> Relaxing must not do harm to them.

I didn't analyze the which other sections that might require this, however I
assumed such requirements will be there. This is one of the reason why I moved
out the check outside the loop, so the such additions are easy and in one
place. Are there any other sections that might require to be here?

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