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[Bug ports/15705] MicroBlaze mmap64 incorrect page shift
- From: "joseph at codesourcery dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 05 Feb 2014 23:16:39 +0000
- Subject: [Bug ports/15705] MicroBlaze mmap64 incorrect page shift
- Auto-submitted: auto-generated
- References: <bug-15705-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=15705
--- Comment #5 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
It looks like the kernel changed the ABI incompatibly in 3.13. That means
a more complicated fix is needed, meaning that if an __ASSUME_* macro is
defined (which would be for --enable-kernel=3.13.0 or later) then you can
just use the generic mmap64.c, but otherwise working reliably means a
runtime check on GLRO(dl_osversion) >= 0x030d00 to determine the ABI in
use (cf. the ARM runtime check for an incompatible change in signal frame
unwinding).
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