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arm64: Support running gen_vdso_offsets.sh with BSD userland. 

BSD sed ignores whitespace character escape sequences such as '\t' in
the replacement string, causing this script to produce the following
incorrect output:

  #define vdso_offset_sigtrampt0x089c

Changing the hard tab to ' ' causes both BSD and GNU dialects of sed
to produce equivalent output.

Signed-off-by: John Millikin <john@john-millikin.com>
Link: https://lore.kernel.org/r/15147ffb-7e67-b607-266d-f56599ecafd1@john-millikin.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
John Millikin 2020-12-23 14:10:56 +09:00 committed by Will Deacon
parent a5b8ca97fb
commit f3cb097ad8
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/vdso/gen_vdso_offsets.sh
View File

@ -13,4 +13,4 @@
LC_ALL=C
sed -n -e 's/^00*/0/' -e \
's/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso_offset_\2\t0x\1/p'
's/^\([0-9a-fA-F]*\) . VDSO_\([a-zA-Z0-9_]*\)$/\#define vdso_offset_\2 0x\1/p'