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Re: [PATCH 1/7]: Fix sparc64 setjmp implementation.
From: |
Pavel Roskin |
Subject: |
Re: [PATCH 1/7]: Fix sparc64 setjmp implementation. |
Date: |
Fri, 06 Mar 2009 14:03:57 -0500 |
On Fri, 2009-03-06 at 19:55 +0100, Robert Millan wrote:
> On Thu, Mar 05, 2009 at 08:04:07AM -0500, Isaac Dupree wrote:
> > > We've been using "unsigned long" for storing virtual addresses in the
> > > Linux kernel for 10+ years and it works just fine. :-)
> >
> > and Linux kernel uses GCC compiler in precise ways
> >
> > I believe that ptrdiff_t is the proper standardized type for an integer the
> > size of a pointer. except... it's always signed :-)
> >
> > Can you just use pointer types and pointer arithmetic?
> >
> > also, standards aside, a common way to get such a type, is "configure"
> > script
> > testing various possibilities like "unsigned long" and "unsigned long long"
> > and seeing which one is the right size for the target architecture. (not
> > sure
> > if that works when cross-compiling though)
>
> I think we're already using longs this way in quite a few places. It's not
> such a big deal IMHO.
I was considering making grub_size_t long and grub_ssize_t unsigned
long. I remember that it required many changes in string formats, so I
didn't feel it would be justified. But we could try it again.
--
Regards,
Pavel Roskin
- [PATCH 1/7]: Fix sparc64 setjmp implementation., David Miller, 2009/03/03
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Vesa Jääskeläinen, 2009/03/04
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Vesa Jääskeläinen, 2009/03/04
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., David Miller, 2009/03/04
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Javier Martín, 2009/03/04
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., David Miller, 2009/03/04
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Isaac Dupree, 2009/03/05
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., David Miller, 2009/03/05
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Robert Millan, 2009/03/06
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation.,
Pavel Roskin <=
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., David Miller, 2009/03/06
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Pavel Roskin, 2009/03/07
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Robert Millan, 2009/03/07
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., David Miller, 2009/03/07
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., David Miller, 2009/03/06
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Robert Millan, 2009/03/07