Re: section alignment & load address alignment

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Josef Angermeier <sijoange@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> writes:

Questions about the linker are best sent to binutils@xxxxxxxxxxxxxxx
See
    http://sourceware.org/binutils/

> in my ld linker script i got something like that:
> 
> 	load_start_data = rom_start + (. - old_rom_start);
> 	.data : AT (load_start_data) {	/* Must be read-only! */
> 		*(.data)
> 	}
> 
> Unfortunately this causes problems if .data section has an alignment.
> Then not "." (location counter) is used for its address, but the aligned
> address. But if alignment is used the load_start_data (LMA address) is
> abit wrong, because it should correspondingly also get aligned. This
> isn't automatically done. 

How about putting something along the lines of
    . = ALIGN (32);
before you set load_start_data?  Choose the maximum alignment you
expect to see in the .data input sections.

Ian

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