[PATCH v6 13/17] arm64:ilp32: add sys_ilp32.c and a separate table (in entry.S) to use it

Andreas Schwab schwab at suse.de
Thu Nov 12 05:47:18 PST 2015


Arnd Bergmann <arnd at arndb.de> writes:

> On Thursday 12 November 2015 10:44:55 Andreas Schwab wrote:
>> Arnd Bergmann <arnd at arndb.de> writes:
>> 
>> > What do you mean with 32-bit off_t?
>> 
>> An ABI with 32-bit off_t, ie. all currently implemented 32-bit ABIs.
>> 
>> > Do you mean that glibc emulates a 32-bit off_t on top of the 64-bit
>> > __kernel_loff_t?
>> 
>> Glibc is bridging the user-space ABI to the kernel ABI.
>
> Ok, but why?

That's how the ABI is defined right now.  I didn't make that up.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab at suse.de
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