Move comments close to the code.
Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
---
scripts/mksysmap | 61 +++++++++++++++++++++++++++++-------------------
1 file changed, 37 insertions(+), 24 deletions(-)
diff --git a/scripts/mksysmap b/scripts/mksysmap
index 697fc6653953..8ea1955e03c6 100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -10,32 +10,45 @@
#####
# Generate System.map (actual filename passed as second argument)
-# For System.map filter away:
-# a - local absolute symbols
-# U - undefined global symbols
-# N - debugging symbols
-# w - local weak symbols
-
# readprofile starts reading symbols when _stext is found, and
# continue until it finds a symbol which is not either of 'T', 't',
# 'W' or 'w'.
#
-# Ignored prefixes:
-# $ - local symbols for ARM, MIPS, etc.
-# .L - local labels, .LBB,.Ltmpxxx,.L__unnamed_xx,.LASANPC, etc.
-# __crc_ - modversions
-# __kstrtab_ - EXPORT_SYMBOL (symbol name)
-# __kstrtabns_ - EXPORT_SYMBOL (namespace)
+
+${NM} -n ${1} | sed >${2} -e "
+# ---------------------------------------------------------------------------
+# Ignored symbol types
#
-# Ignored symbols:
-# L0 - for LoongArch?
-
-$NM -n $1 | grep -v \
- -e ' [aNUw] ' \
- -e ' \$' \
- -e ' \.L' \
- -e ' __crc_' \
- -e ' __kstrtab_' \
- -e ' __kstrtabns_' \
- -e ' L0$' \
-> $2
+
+# a: local absolute symbols
+# N: debugging symbols
+# U: undefined global symbols
+# w: local weak symbols
+/ [aNUw] /d
+
+# ---------------------------------------------------------------------------
+# Ignored prefixes
+# (do not forget a space before each pattern)
+
+# local symbols for ARM, MIPS, etc.
+/ \$/d
+
+# local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc.
+/ \.L/d
+
+# CRC from modversions
+/ __crc_/d
+
+# EXPORT_SYMBOL (symbol name)
+/ __kstrtab_/d
+
+# EXPORT_SYMBOL (namespace)
+/ __kstrtabns_/d
+
+# ---------------------------------------------------------------------------
+# Ignored symbols (exact match)
+# (do not forget a space before and '$' after each pattern)
+
+# for LoongArch?
+/ L0$/d
+"
--
2.34.1
