linux-kernel - [PATCH v2 02/13] kbuild: rename __objtool

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Message-Id: <20210831074004.3195284-3-masahiroy@kernel.org>
Date:   Tue, 31 Aug 2021 16:39:53 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 02/13] kbuild: rename __objtool_obj to objtool

Rename __objtool_obj to objtool, and move it out of the
'ifndef CONFIG_LTO_CLANG' conditional, so it can be used for
cmd_cc_lto_link_modules as well.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 scripts/Makefile.build | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 17508c0e4358..e78096cd396b 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -225,6 +225,8 @@ endif # CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
 
 ifdef CONFIG_STACK_VALIDATION
 
+objtool := $(objtree)/tools/objtool/objtool
+
 objtool_args =								\
 	$(if $(CONFIG_UNWINDER_ORC),orc generate,check)			\
 	$(if $(part-of-module), --module)				\
@@ -236,17 +238,15 @@ objtool_args =								\
 
 ifndef CONFIG_LTO_CLANG
 
-__objtool_obj := $(objtree)/tools/objtool/objtool
-
 # 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory
 # 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file
 # 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file
 cmd_objtool = $(if $(patsubst y%,, \
 	$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \
-	$(__objtool_obj) $(objtool_args) $@)
+	$(objtool) $(objtool_args) $@)
 objtool_obj = $(if $(patsubst y%,, \
 	$(OBJECT_FILES_NON_STANDARD_$(basetarget).o)$(OBJECT_FILES_NON_STANDARD)n), \
-	$(__objtool_obj))
+	$(objtool))
 
 endif # CONFIG_LTO_CLANG
 endif # CONFIG_STACK_VALIDATION
@@ -300,8 +300,7 @@ cmd_cc_lto_link_modules =						\
 ifdef CONFIG_STACK_VALIDATION
 # objtool was skipped for LLVM bitcode, run it now that we have compiled
 # modules into native code
-cmd_cc_lto_link_modules += ;						\
-	$(objtree)/tools/objtool/objtool $(objtool_args) --module $@
+cmd_cc_lto_link_modules += ; $(objtool) $(objtool_args) --module $@
 endif
 
 $(obj)/%.lto.o: $(obj)/%.o FORCE
-- 
2.30.2