From: Russell King <rmk+lkml-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>
To: David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
Linus Torvalds
<torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Andrew Morton
<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux Arch Mailing List
<linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
David Brownell
<dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>
Subject: Re: [PATCH 1/2] Add C99-style constructor macros for specific-sized integers
Date: Mon, 3 Mar 2008 11:43:10 +0000 [thread overview]
Message-ID: <20080303114310.GA28139@flint.arm.linux.org.uk> (raw)
In-Reply-To: <8260.1204541852-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On Mon, Mar 03, 2008 at 10:57:32AM +0000, David Howells wrote:
> H. Peter Anvin <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org> wrote:
>
> > +#define S8_C(x) x
> > +#define U8_C(x) x ## U
> > +#define S16_C(x) x
> > +#define U16_C(x) x ## U
> > +#define S32_C(x) x
> > +#define U32_C(x) x ## U
> > +#define S64_C(x) x ## LL
> > +#define U64_C(x) x ## ULL
>
> And #if defined(__ASSEMBLY__), just splat x through as is.
We already have something like this on ARM - include/asm-arm/memory.h
/*
* Allow for constants defined here to be used from assembly code
* by prepending the UL suffix only with actual C code compilation.
*/
#ifndef __ASSEMBLY__
#define UL(x) (x##UL)
#else
#define UL(x) (x)
#endif
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
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WARNING: multiple messages have this Message-ID (diff)
From: Russell King <rmk+lkml@arm.linux.org.uk>
To: David Howells <dhowells@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Arch Mailing List <linux-arch@vger.kernel.org>,
David Brownell <dbrownell@users.sourceforge.net>
Subject: Re: [PATCH 1/2] Add C99-style constructor macros for specific-sized integers
Date: Mon, 3 Mar 2008 11:43:10 +0000 [thread overview]
Message-ID: <20080303114310.GA28139@flint.arm.linux.org.uk> (raw)
Message-ID: <20080303114310.KgP_Cr2ThNRLSAIBjv5S_wnIKGvbdQWVm9dJxEJdW6U@z> (raw)
In-Reply-To: <8260.1204541852@redhat.com>
On Mon, Mar 03, 2008 at 10:57:32AM +0000, David Howells wrote:
> H. Peter Anvin <hpa@zytor.com> wrote:
>
> > +#define S8_C(x) x
> > +#define U8_C(x) x ## U
> > +#define S16_C(x) x
> > +#define U16_C(x) x ## U
> > +#define S32_C(x) x
> > +#define U32_C(x) x ## U
> > +#define S64_C(x) x ## LL
> > +#define U64_C(x) x ## ULL
>
> And #if defined(__ASSEMBLY__), just splat x through as is.
We already have something like this on ARM - include/asm-arm/memory.h
/*
* Allow for constants defined here to be used from assembly code
* by prepending the UL suffix only with actual C code compilation.
*/
#ifndef __ASSEMBLY__
#define UL(x) (x##UL)
#else
#define UL(x) (x)
#endif
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
next prev parent reply other threads:[~2008-03-03 11:43 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-03 0:09 [PATCH 1/2] Add C99-style constructor macros for specific-sized integers H. Peter Anvin
2008-03-03 0:09 ` H. Peter Anvin
[not found] ` <4a8566f54ff84f498c5c0c0340076c296b1840e6-TYXNXmPMDn57u0wkx6qpVYSLwOllVvif@public.gmane.org>
2008-03-03 0:09 ` [PATCH 2/2] Use U64_C() instead of casts in kernel/time.c H. Peter Anvin
2008-03-03 0:09 ` H. Peter Anvin
2008-03-03 2:38 ` [PATCH 1/2] Add C99-style constructor macros for specific-sized integers Matthew Wilcox
2008-03-03 2:38 ` Matthew Wilcox
[not found] ` <20080303023851.GF24386-6jwH94ZQLHl74goWV3ctuw@public.gmane.org>
2008-03-03 4:43 ` H. Peter Anvin
2008-03-03 4:43 ` H. Peter Anvin
[not found] ` <47CB81EA.8070802-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2008-03-03 6:20 ` Al Viro
[not found] ` <20080303062007.GY27894-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2008-03-03 6:12 ` H. Peter Anvin
2008-03-03 6:12 ` H. Peter Anvin
[not found] ` <47CB96D5.3030509-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2008-03-03 6:32 ` Al Viro
[not found] ` <20080303063216.GA27894-3bDd1+5oDREiFSDQTTA3OLVCufUGDwFn@public.gmane.org>
2008-03-03 6:28 ` H. Peter Anvin
2008-03-03 6:28 ` H. Peter Anvin
2008-03-03 6:32 ` Al Viro
2008-03-03 6:20 ` Al Viro
2008-03-03 3:20 ` Segher Boessenkool
2008-03-03 3:20 ` Segher Boessenkool
2008-03-03 4:14 ` David Brownell
2008-03-03 4:14 ` David Brownell
[not found] ` <200803022014.11535.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2008-03-03 4:50 ` H. Peter Anvin
2008-03-03 4:50 ` H. Peter Anvin
[not found] ` <7e0381d9932a37ad78f0c38b2a3c6a03-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2008-03-03 4:45 ` H. Peter Anvin
2008-03-03 4:45 ` H. Peter Anvin
[not found] ` <47CB826A.7000202-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2008-03-03 20:23 ` Segher Boessenkool
2008-03-03 20:23 ` Segher Boessenkool
2008-03-03 10:57 ` David Howells
2008-03-03 10:57 ` David Howells
[not found] ` <8260.1204541852-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2008-03-03 11:43 ` Russell King [this message]
2008-03-03 11:43 ` Russell King
[not found] ` <20080303114310.GA28139-f404yB8NqCZvn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2008-03-03 12:15 ` David Howells
2008-03-03 12:15 ` David Howells
2008-03-03 12:40 ` Sam Ravnborg
2008-03-03 12:40 ` Sam Ravnborg
[not found] ` <20080303124050.GA24841-QabhHTsIXMSnlFQ6Q1D1Y0B+6BGkLq7r@public.gmane.org>
2008-03-03 17:03 ` H. Peter Anvin
2008-03-03 17:03 ` H. Peter Anvin
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