Rom based Shared Library
Dave Korn
dave.korn@artimi.com
Thu Mar 30 10:29:00 GMT 2006
On 30 March 2006 09:49, johnmc@sidsa.es wrote:
> The .bss section needs to be copied to RAM from FLASH at initialisation
> time.
No, it doesn't. Really! I think you must have a misunderstanding about
what a .bss section /is/ if you think it contains anything that needs
copying....
> Question:
> Is it possible to force the compiler to put all global data in the
> .data section and to discard the .bss section.
>
> I have tried -fno-common but it does not work
>
> Target - arm-elf.
Did you try combining -fno-common with -fno-zero-initialized-in-bss as well?
That /ought/ to result in no .bss section at all in the final output files.
(It may be that the toolchain generates a file with a zero-sized bss section;
you can verify that with the binutils 'size' command and you could use
objcopy's --remove-section option to excise it in that case).
cheers,
DaveK
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