From: Magnus Fromreide <magfr@lysator.liu.se>
To: Mark Mitchell <mark@codesourcery.com>
Cc: Joe Buck <Joe.Buck@synopsys.com>,
Richard Henderson <rth@redhat.com>,
Nathan Sidwell <nathan@codesourcery.com>,
Andreas Jaeger <aj@suse.de>, "gcc@gcc.gnu.org" <gcc@gcc.gnu.org>,
Goodman Joe <joe.goodman@intel.com>
Subject: Re: Results from Intel4s C++ ABI Testsuite
Date: Thu, 11 Jul 2002 09:56:00 -0000 [thread overview]
Message-ID: <Pine.GSO.4.33.0207110934490.6152-100000@proton.lysator.liu.se> (raw)
In-Reply-To: <35210000.1026337826@warlock.codesourcery.com>
On Wed, 10 Jul 2002, Mark Mitchell wrote:
> > It seems that for true C++ binary compatibility all implementers must
> > agree on the type of size_t. Was this overlooked?
>
> Sort of.
>
> As Richard says, this is pretty much a property of the OS. If "int" and
> "long" are the same, you can interchange the two for binary compatibility
> purposes, but you'll never make your header files work right.
>
> And, of course, since "size_t" is just a typedef we can't mangle it
> specially, even if we wanted to.
>
> It is true that if my OS uses "long" and yours uses "int" -- but they
> are the same in all other ways -- then I can't mix and match C++ shared
> objects from our two systems. I can still mix and match C++ shared
> objects from any one of those systems, even if I used different
> compilers to build them.
For me it sounds as if this would be a nice thing to put in a platform ABI
specification then. Is it in the IA-64 ABI spec that we are mostly using
for ix86 as well?
next prev parent reply other threads:[~2002-07-11 7:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-06 11:51 Results from Intel´s " Andreas Jaeger
2002-07-06 13:10 ` Graham Stott
2002-07-06 13:28 ` Results from Intel4s " Nathan Sidwell
2002-07-10 13:40 ` Richard Henderson
2002-07-10 14:33 ` Joe Buck
2002-07-10 15:12 ` Gabriel Dos Reis
2002-07-10 21:14 ` Mark Mitchell
2002-07-11 9:56 ` Magnus Fromreide [this message]
2002-07-11 13:43 ` Richard Henderson
2002-07-20 20:50 ` Nick Ing-Simmons
2002-07-20 15:20 ` Richard Henderson
2002-07-22 13:41 ` Joe Buck
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