kbuild: generate a list of objects in vmlinux
authorMasahiro Yamada <masahiroy@kernel.org>
Thu, 5 May 2022 07:22:34 +0000 (16:22 +0900)
committerMasahiro Yamada <masahiroy@kernel.org>
Wed, 11 May 2022 12:46:39 +0000 (21:46 +0900)
A *.mod file lists the member objects of a module, but vmlinux does
not have such a file.

Generate this list to allow modpost to know all the member objects.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
Tested-by: Nathan Chancellor <nathan@kernel.org>
scripts/link-vmlinux.sh

index 20f44504a644b900eafebe483c2d2a6f14dbe46f..eceb3ee7ec0644412910ff532b891a815f3c52a3 100755 (executable)
@@ -311,6 +311,7 @@ cleanup()
        rm -f vmlinux.map
        rm -f vmlinux.o
        rm -f .vmlinux.d
+       rm -f .vmlinux.objs
 }
 
 # Use "make V=1" to debug this script
@@ -342,6 +343,16 @@ ${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init need-builtin=1
 modpost_link vmlinux.o
 objtool_link vmlinux.o
 
+# Generate the list of objects in vmlinux
+for f in ${KBUILD_VMLINUX_OBJS} ${KBUILD_VMLINUX_LIBS}; do
+       case ${f} in
+       *.a)
+               ${AR} t ${f} ;;
+       *)
+               echo ${f} ;;
+       esac
+done > .vmlinux.objs
+
 # modpost vmlinux.o to check for section mismatches
 ${MAKE} -f "${srctree}/scripts/Makefile.modpost" MODPOST_VMLINUX=1