[xproto: PATCH] Xmd.h: amd64-x32 ABI defines sizeof(long) == sizeof (void*) == 4
alan.coopersmith at oracle.com
Wed Dec 28 07:38:13 PST 2011
On 12/28/11 07:33, Lu, Hongjiu wrote:
>> On 12/28/11 06:34, Lu, Hongjiu wrote:
>>> __AMD64__ is defined when 64bit x86 instruction set is used,
>>> which is true for x32. The difference is x32 doesn't define
>> Then you have explictly designed your ABI to break existing
>> software, and it is broken by design and should not be adopted.
> Yes, some existing software packages don't compile with x32.
> They need to be ported to x32.
By definition, almost every software package that checks __AMD64__
would be broken by this design. A good design would not have
broken most of those by incompatibly changing the existing AMD64
ABI guarantees. This design is untenable and I see no reason
to change our software to workaround your design flaws.
-Alan Coopersmith- alan.coopersmith at oracle.com
Oracle Solaris Platform Engineering: X Window System
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