author: Masahiro Yamada <masahiroy@kernel.org> 2021-08-19 09:57:39 +0900
committer: Masahiro Yamada <masahiroy@kernel.org> 2021-09-03 08:17:21 +0900
commit: 5df77ad61fd71b1b342ba40d913ad5595480691c
parent: d40aecd108d2a6413d53f6f8339e787a23150595
Commit Summary:
Diffstat:
1 file changed, 22 insertions, 31 deletions
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 7b9c62e4d54a..d74cee5c4326 100755
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -149,13 +149,12 @@ objtool_link()
# ${2}, ${3}, ... - optional extra .o files
vmlinux_link()
{
- local lds="${objtree}/${KBUILD_LDS}"
local output=${1}
- local objects
- local strip_debug
- local map_option
local objs
local libs
+ local ld
+ local ldflags
+ local ldlibs
info LD ${output}
@@ -171,42 +170,33 @@ vmlinux_link()
libs="${KBUILD_VMLINUX_LIBS}"
fi
+ if [ "${SRCARCH}" = "um" ]; then
+ wl=-Wl,
+ ld="${CC}"
+ ldflags="${CFLAGS_vmlinux}"
+ ldlibs="-lutil -lrt -lpthread"
+ else
+ wl=
+ ld="${LD}"
+ ldflags="${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux}"
+ ldlibs=
+ fi
+
+ ldflags="${ldflags} ${wl}--script=${objtree}/${KBUILD_LDS}"
+
# The kallsyms linking does not need debug symbols included.
if [ "$output" != "${output#.tmp_vmlinux.kallsyms}" ] ; then
- strip_debug=-Wl,--strip-debug
+ ldflags="${ldflags} ${wl}--strip-debug"
fi
if [ -n "${CONFIG_VMLINUX_MAP}" ]; then
- map_option="-Map=${output}.map"
+ ldflags="${ldflags} ${wl}-Map=${output}.map"
fi
- if [ "${SRCARCH}" != "um" ]; then
- objects="--whole-archive ${objs} --no-whole-archive \
- --start-group ${libs} --end-group \
- $@"
-
- ${LD} ${KBUILD_LDFLAGS} ${LDFLAGS_vmlinux} \
- ${strip_debug#-Wl,} \
- -o ${output} \
- ${map_option} \
- -T ${lds} ${objects}
- else
- objects="-Wl,--whole-archive \
- ${KBUILD_VMLINUX_OBJS} \
- -Wl,--no-whole-archive \
- -Wl,--start-group \
- ${KBUILD_VMLINUX_LIBS} \
- -Wl,--end-group \
- ${@}"
-
- ${CC} ${CFLAGS_vmlinux} \
- ${strip_debug} \
- -o ${output} \
- ${map_option:+-Wl,${map_option}} \
- -Wl,-T,${lds} \
- ${objects} \
- -lutil -lrt -lpthread
- fi
+ ${ld} ${ldflags} -o ${output} \
+ ${wl}--whole-archive ${objs} ${wl}--no-whole-archive \
+ ${wl}--start-group ${libs} ${wl}--end-group \
+ $@ ${ldlibs}
}
# generate .BTF typeinfo from DWARF debuginfo