Re: Xcode 2.0 and 64-bit support
Re: Xcode 2.0 and 64-bit support
- Subject: Re: Xcode 2.0 and 64-bit support
- From: Paul Sargent <email@hidden>
- Date: Wed, 14 Jul 2004 01:26:28 +0100
I'm not privy to any 'developer' info, but I believe it's been stated
that tiger's 64-bitness is an LP model (i.e. Longs and Pointers are
64-bits) rather than an ILP (Ints, Longs and Pointers are 64-bit)
model.
So that would make
1) yes
2) no, 8
3) not sure, probably yes
4) 8
5) both
6) don't know, we'll have to see. This is API and not compiler.
On 14 Jul 2004, at 01:09, Glen Low wrote:
Hi,
I think this qualifies as borderline NDA territory, since gcc
development is an open thing.
What kind of 64-bit support is there in Xcode 2.0 and Apple gcc 3.5?
In particular:
1. Is sizeof(int) == 4?
2. Is sizeof(long) == 4?
3. Is sizeof(long long) == 8?
4. Is sizeof(void*) == 4 or 8? Or is there some kind of typedef and/or
funky conversion for 32-bit vs. 64-bit pointer?
5. Is size_t same as unsigned long or unsigned long long?
6. Can we now malloc, vm_alloc, mmap more than 2G at a time i.e. will
those low-level UNIXish API's allow a 64-bit parameter as a size?
Cheers, Glen Low
---
pixelglow software | simply brilliant stuff
www.pixelglow.com
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