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authorJoseph Myers <joseph@codesourcery.com>2018-09-26 12:33:14 +0000
committerJoseph Myers <joseph@codesourcery.com>2018-09-26 12:33:14 +0000
commit61d8b5feeed36e242a043befe9b11f7f8c294f58 (patch)
treec2fc88ccc8b269a9da4e6f66d39c12d8c3dd3662 /sysdeps/arm/setjmp.S
parent4634128642f47da6542a4b73f8ff770d6b0765e5 (diff)
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Share MAP_* flags between more architectures.
Continuing bits/mman.h unification between architectures using the
Linux kernel, this patch arranges for the common set of MAP_* flags to
be used by two more architectures.  That common set is moved to
bits/mman-map-flags-generic.h, which is included by bits/mman.h, to
allow architectures to use that common set even if they also have
architecture-specific additions to it.  As well as the generic
bits/mman.h, the versions for x86 and ia64 are also then made to
include bits/mman-map-flags-generic.h, so while they still need
architecture-specific bits/mman.h (for MAP_32BIT and MAP_GROWSUP
respectively), they do not need to duplicate the generic flag
definitions in there.

Tested for x86_64 and x86, and with build-many-glibcs.py.

	* sysdeps/unix/sysv/linux/bits/mman-map-flags-generic.h: New
	file.  Most contents moved from ....
	* sysdeps/unix/sysv/linux/bits/mman.h: ... here.  Move contents to
	and include <bits/mman-map-flags-generic.h>.
	* sysdeps/unix/sysv/linux/Makefile [$(subdir) = misc]
	(sysdep_headers): Add bits/mman-map-flags-generic.h.
	* sysdeps/unix/sysv/linux/ia64/bits/mman.h: Include
	<bits/mman-map-flags-generic.h>.
	[__USE_MISC] (MAP_GROWSUP): Only define this macro, not other
	macros defined in <bits/mman-map-flags-generic.h>.
	* sysdeps/unix/sysv/linux/x86/bits/mman.h: Include
	<bits/mman-map-flags-generic.h>.
	[__USE_MISC] (MAP_32BIT): Only define this macro, not other macros
	defined in <bits/mman-map-flags-generic.h>.
Diffstat (limited to 'sysdeps/arm/setjmp.S')
0 files changed, 0 insertions, 0 deletions