/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/ is in libgnatvsn6-dev-armel-cross 6.4.0-17ubuntu1cross1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn.gpr
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/alloc.ads
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/aspects.adb
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/aspects.ads
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/atree.adb
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/atree.ads
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/casing.adb
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/casing.ads
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/csets.adb
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/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/debug.adb
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/debug.ads
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/einfo.adb
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/einfo.ads
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/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/fname.ads
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/gnatvsn.adb
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/gnatvsn.ads
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/hostparm.ads
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/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/repinfo.adb
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/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/sinfo.ads
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/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/stringt.adb
/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/stringt.ads
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/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/types.adb
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/usr/lib/gcc-cross/arm-linux-gnueabi/6/adainclude/gnatvsn/widechar.adb
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