@@ -193,7 +193,7 @@ kallsyms_step()
mksysmap()
{
info NM ${2}
- ${CONFIG_SHELL} "${srctree}/scripts/mksysmap" ${1} ${2}
+ ${NM} -n "${1}" | "${srctree}/scripts/mksysmap" > "${2}"
}
sorttable()
@@ -1,22 +1,16 @@
-#!/bin/sh -x
-# Based on the vmlinux file create the System.map file
+#!/bin/sed -f
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# sed script to filter out symbols that are not needed for System.map,
+# or not suitable for kallsyms. The input should be 'nm -n <file>'.
+#
# System.map is used by module-init tools and some debugging
# tools to retrieve the actual addresses of symbols in the kernel.
#
-# Usage
-# mksysmap vmlinux System.map
-
-
-#####
-# Generate System.map (actual filename passed as second argument)
-# The following refers to the symbol type as per nm(1).
-
# 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'.
#
-
-${NM} -n ${1} | sed >${2} -e "
# ---------------------------------------------------------------------------
# Ignored symbol types
#
@@ -92,4 +86,3 @@ ${NM} -n ${1} | sed >${2} -e "
# ppc stub
/\.long_branch\./d
/\.plt_branch\./d
-"
The previous commit removed the subshell execution from scripts/mksysmap, which is now simple enough to become a sed script. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> --- scripts/link-vmlinux.sh | 2 +- scripts/mksysmap | 19 ++++++------------- 2 files changed, 7 insertions(+), 14 deletions(-)