[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 1/7]: Fix sparc64 setjmp implementation.
From: |
David Miller |
Subject: |
Re: [PATCH 1/7]: Fix sparc64 setjmp implementation. |
Date: |
Fri, 06 Mar 2009 16:34:47 -0800 (PST) |
From: Robert Millan <address@hidden>
Date: Fri, 6 Mar 2009 19:55:53 +0100
> 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.
And ironically enough, using "unsigned long" would allow us to
share this header with any future 32-bit sparc GRUB support.
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., (continued)
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Javier MartÃn, 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, 2009/03/06
- 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 <=
- Re: [PATCH 1/7]: Fix sparc64 setjmp implementation., Robert Millan, 2009/03/07