RE: ARM cross compiler

[Vermeulen Jan <Jan dot Vermeulen at siemens dot atea dot be>]

Hello Gareth,


<ignore section>

>I have built an arm toolchain and it 
>all is working fine. There is only 
>one problem. 

If there is one problem, then it isn't _all_ working fine, right?
;-) hehe

</ignore section>


To answer your question about making your program start at a lower address:

Here is a linker script that we use to test our board (i.e. ledtest etc)

-----8<-------------------
ENTRY(main)

SECTIONS {
  . = 0x2000;
  .vector0 :
  {
   LONG(ABSOLUTE( main ))
  }
  .rodata :
    {
    *(.rodata)
    }
  .text :
    { 
    *(.text)
    }
  .data : 
    {
    *(.data)
    }
  .bss  :
    { 
    *(.bss)
    }
}
-----8<-------------------

So, we made it so that the adress of 'int main(void)' will be placed at
adress 0x2000.

Then the rest is placed behind it (read only data, code, initialised
variables and variables, in that order (if I'm not mistaking)).

We put this linker-script in a file name "load.ld" and we added:
"-Wl,-Tload.ld -Wl,-N" to the gcc commandline. (with the rest of our options
ofcourse.)

Hope this might proof helpfull,
Jan

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