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Re: [avr-libc-dev] Export fuse memory size as a symbol
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From: |
Joerg Wunsch |
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Subject: |
Re: [avr-libc-dev] Export fuse memory size as a symbol |
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Date: |
Wed, 16 Mar 2016 23:25:10 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
As Senthil Kumar Selvaraj wrote:
> For starters, the below patch defines __FUSE_REGION_LENGTH__ as a weak
> symbol.
>
> diff --git avr-libc/crt1/gcrt1.S avr-libc/crt1/gcrt1.S
> index 561d4f8..b2f482b 100644
> --- avr-libc/crt1/gcrt1.S
> +++ avr-libc/crt1/gcrt1.S
> @@ -390,3 +390,8 @@ __do_copy_data:
> .L__desc_end:
> .balign 4
>
> + /* Set length symbol values - this linker script
> + and the linker use these to detect size overflows.
> + */
> + .weak __FUSE_REGION_LENGTH__
> + .set __FUSE_REGION_LENGTH__, FUSE_MEMORY_SIZE
>
> Is this ok?
Looks good (and useful) to me.
--
cheers, Joerg .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/
Never trust an operating system you don't have sources for. ;-)