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Re: 64bit GNUstep Was: Problem with Cenon
From: |
Chan Maxthon |
Subject: |
Re: 64bit GNUstep Was: Problem with Cenon |
Date: |
Sun, 27 Jan 2013 22:25:56 +0800 |
Actually, it was 4-way: 32-bit x86, amd64, 32-bit PowerPC and to some extent
64-bit PowerPC.
发自我的 iPad
在 2013-1-27,19:35,Ivan Vučica <address@hidden> 写道:
> On 26. 1. 2013., at 14:10, Fred Kiefer <address@hidden> wrote:
>
>> Apple allows the code to use 32bit versions of the core bundles even on
>> 64bit system. I don't know how they do it exactly, most likely they have two
>> versions of the library and link in the correct one depending on the
>> settings.
>
> Just a bit of info here.
>
> Same tech that was used during PowerPC transition: universal binaries. An
> executable is checked to see if it has 32bit, 64bit or 32+64bit code. Correct
> version is picked; that is, 64bit code if it exists and without further
> configuration. After that, any shared library that dyld loads will load
> appropriate version of code from the universal binary (or the single arch
> binary), or fail if adequate version is not found in the shared library.
>
> With Xcode 3.2.6, which I believe was the last build to ship PPC support, one
> could ship three-arch executables, and to my knowledge Snow Leopard included
> three-arch binaries in all frameworks: one for Rosetta, one for 32-bit and
> one for 64-bit. Fun!
> _______________________________________________
> Gnustep-dev mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/gnustep-dev
- Re: Problem with Cenon, (continued)
- Re: Problem with Cenon, A. Arias, 2013/01/24
- Re: Problem with Cenon, Georg Fleischmann, 2013/01/25
- Re: Problem with Cenon, David Chisnall, 2013/01/26
- 64bit GNUstep Was: Problem with Cenon, Fred Kiefer, 2013/01/26
- Re: 64bit GNUstep Was: Problem with Cenon, Luboš Doležel, 2013/01/26
- Re: 64bit GNUstep Was: Problem with Cenon, David Chisnall, 2013/01/26
- Re: 64bit GNUstep Was: Problem with Cenon, Fred Kiefer, 2013/01/26
- Re: 64bit GNUstep Was: Problem with Cenon, David Chisnall, 2013/01/26
- Re: 64bit GNUstep Was: Problem with Cenon, Fred Kiefer, 2013/01/26
- Re: 64bit GNUstep Was: Problem with Cenon, Ivan Vučica, 2013/01/27
- Re: 64bit GNUstep Was: Problem with Cenon,
Chan Maxthon <=
- Re: Problem with Cenon, Fred Kiefer, 2013/01/26
- Re: Problem with Cenon, Georg Fleischmann, 2013/01/29
- Re: Problem with Cenon, Fred Kiefer, 2013/01/30