Jakub Jelinek wrote:
> 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.
Ah, thanks. I think probably PE doesn't support that and will need explicit
.align pseudo-ops inserted in the assembly. I'm AFK for a few hours now but
will pursue this later tonight.
cheers,
DaveK