Messages in this thread | | | Date | Sat, 12 Feb 2011 13:29:00 -0800 | Subject | Re: X32 psABI status | From | "H.J. Lu" <> |
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On Sat, Feb 12, 2011 at 1:10 PM, Florian Weimer <fw@deneb.enyo.de> wrote: > * H. J. Lu: > >> We made lots of progresses on x32 pABI: >> >> https://sites.google.com/site/x32abi/ >> >> 1. Kernel interface with syscall is close to be finalized. >> 2. GCC x32 branch is stabilizing. >> 3. The Bionic C library works with the syscall kernel interface. >> >> The next major milestone will be x32 glibc port. > > It is a bit difficult to extract useful information from these > resources.
That is true. Contributions are more than welcome.
> Is off_t 32 bits? Why is the ia32 compatiblity kernel interface used?
Yes.
> I'm sure a lot of people want to get rid of that in cases where they > control the whole software stack.
That is debatable. The current thought is the x32 user space API is the same as is ia32. time_t is also an issue.
> Is stack alignment to 16 bytes beneficial for X32? >
Even ia32 uses 16byte stack alignment and we will make it official soon via an amendment to the i386 psABI.
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