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scripts/decodecode: set ARCH when running natively on arm/arm64

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When running decodecode natively on arm64, ARCH is likely not to be set,
and we end-up with .4byte instead of .inst when generating the
disassembly.

Similar effects would occur if running natively on a 32bit ARM platform,
although that's even less popular.

A simple workaround is to populate ARCH when it is not set and that we're
running on an arm/arm64 system.

Link: http://lkml.kernel.org/r/20181210174659.31054-2-marc.zyngier@arm.com
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Marc Zyngier 2018-12-28 00:31:21 -08:00 committed by Linus Torvalds
parent e0b2475a3f
commit c5cfb62f2b
1 changed files with 7 additions and 0 deletions
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scripts/decodecode
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@ -60,6 +60,13 @@ case $width in
4) type=4byte ;;
esac
if [ -z "$ARCH" ]; then
case `uname -m` in
aarch64*) ARCH=arm64 ;;
arm*) ARCH=arm ;;
esac
fi
disas() {
${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s > /dev/null 2>&1