Re: [arm-gnu] zeroing out the .bss area

[Mark Deneen <mdeneen+arm@xxxxxxxxxxxxxx>]

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Carlos O'Donell wrote:
> Mark Deneen wrote:
>> shaved ~350 bytes off of my boot loader, which allowed me to fit
>> x-modem with a serial console.  My size constraint was set by the
>>  minimum flash page size on my micro.  However, I am not using
>> any of the runtime libraries.
>
> Have you re-implemented the compiler helper routines in libgcc.a?
>
> Otherwise, you must verify that none of the compiler helper
> routines expect zero initialized variables in .bss e.g. verify link
> map has no objects from libgcc.a which place variables in .bss.
>
> Cheers, Carlos.
Confirmed.  Nothing is pulled in from libgcc.a.

Mark
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