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Date: Thu, 25 Oct 2012 09:11:35 +1100
From: Brett <brett.mahar@gmx.com>
To: svn-src-head@freebsd.org
Subject: Re: svn commit: r242014 - head/sys/kern
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> >>> As I've already said in another thread __align() doesn't work on
> >>> object declaration, so what that won't pad it either if it is global
> >>> or part of a struct.
> >>> It is just implemented as __attribute__((aligned(X))):
> >>> http://gcc.gnu.org/onlinedocs/gcc-3.2/gcc/Type-Attributes.html

> The problem we have is that is apparently doesn't work correctly
> within gcc when creating structs nor within the linker when placing
> such supposedly aligned structs in the .bss section (at least the
> padding is missing).
> 
> It seems to come down to either a) fixing gcc+ld; or b) hacking
> around it by magically padding the structs that require it.

Isn't -current switching over to Clang pretty soon? In that case, why worry about what gcc does?

Brett.