Variable initialisation in a ROM based system

[Robert Spanton]

I think that it's the _start() function that's called first - you can 
find more about it at 
http://www.acm.uiuc.edu/sigops/roll_your_own/1.compile.intel.html .

Erik Christiansen wrote:

>   When using other compilers, a function (e.g. rcopy) is called prior
>to main(), to initialise variables, using data from ROM.
>
>   Is there some standard way for gcc?
>
>   There might be something in the newlib that I've just compiled, but:
>
>nm -s /usr/local/src/more_path/powerpc-linux/lib/*.a | grep rcopy
>
>shows nothing.
>
>   While http://sources.redhat.com/newlib is inaccessible, I'm working
>around the problem by separating declarations from initialisations, so
>the latter are done explicitly by in-line code. Now for the real fix.
>
>   Any hints gratefully grabbed!  :-)
>
>Regards,
>Erik
>
>  
>