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authorMasahiro Yamada <masahiroy@kernel.org>2022-09-26 18:02:27 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2022-10-02 18:06:05 +0900
commita2833d1b07ab107db71a18e6f3855f6908886361 (patch)
tree3e41a7cc37d8fcf268017d247ade44e8e3faf013 /scripts/mksysmap
parentkbuild: reuse mksysmap output for kallsyms (diff)
downloadlinux-dev-a2833d1b07ab107db71a18e6f3855f6908886361.tar.xz
linux-dev-a2833d1b07ab107db71a18e6f3855f6908886361.zip
kallsyms: drop duplicated ignore patterns from kallsyms.c
Now that kallsyms.c parses the output from mksysmap, some symbols have already been dropped. Move comments to scripts/mksysmap. Also, make the grep command readable. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to '')
-rwxr-xr-xscripts/mksysmap14
1 files changed, 13 insertions, 1 deletions
diff --git a/scripts/mksysmap b/scripts/mksysmap
index bc5396e255d8..75f3dfd1c156 100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -40,5 +40,17 @@
# 'W' or 'w'.
#
# Ignored prefixes:
+# $ - local symbols for ARM, MIPS, etc.
+# .L - local labels, .LBB,.Ltmpxxx,.L__unnamed_xx,.LASANPC, etc.
# __crc_ - modversions
-$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( \.L\)\|\( L0\)' > $2
+#
+# Ignored symbols:
+# L0 - for LoongArch?
+
+$NM -n $1 | grep -v \
+ -e ' [aNUw] ' \
+ -e ' \$' \
+ -e ' \.L' \
+ -e ' __crc_' \
+ -e ' L0$' \
+> $2