Re: Re: [avr-gcc-list] Allocating variables to a fixed address]

[Graham Davies]

Robert von Knobloch wrote:
> Why would the compiler respect assembler any more than my C calls (it
> changes the order of them as they are stored in memory, so I cannot
> guarantee the address of "test_func_1()")

There is nothing in the C language that tells the compiler to preserve the 
ordering of global and static objects.  GCC is perfectly within its rights 
to change the order of your functions.  To preserve their relative order, 
you need to use function pointers and make them elements in a single array 
or structure which, if you avoid padding, will have the memory layout you 
expect.  Or, use assembler, which the compiler won't mess with.

Graham.