On Wed, Apr 15, 2009 at 03:27:01PM +0100, Dave Korn wrote:
> > It does look like a Cygwin specific issue.
>
> Can you tell me whether Linux treats COMMON as a separate section with its
> own alignment, or otherwise takes steps to ensure it has a base alignment that
> the compiler can assume? Otherwise I expect I need to look at the cygwin
> definitions of the ASM_OUTPUT_COMMON* macros.
In ELF each STT_COMMON symbol has both size (st_size) and alignment
(st_value) and the linker is of course required to lay out all the common
symbols in a way that their alignment requirements are satisfied.
Jakub
