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| author | Josh Poimboeuf <jpoimboe@kernel.org> | 2025-11-20 12:14:20 -0800 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-11-21 10:04:10 +0100 |
| commit | 93863f3f859a626347ce2ec18947b11357b4ca14 (patch) | |
| tree | 9fe324f0bd90059b763d4bb51353896520c79fb8 /scripts/Makefile.vmlinux_o | |
| parent | 31863337138a0482d614f1090727dac87c936959 (diff) | |
| download | lwn-93863f3f859a626347ce2ec18947b11357b4ca14.tar.gz lwn-93863f3f859a626347ce2ec18947b11357b4ca14.zip | |
kbuild: Check for functions with ambiguous -ffunction-sections section names
Commit 9c7dc1dd897a ("objtool: Warn on functions with ambiguous
-ffunction-sections section names") only works for drivers which are
compiled on architectures supported by objtool.
Make a script to perform the same check for all architectures.
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/a6a49644a34964f7e02f3a8ce43af03e72817180.1763669451.git.jpoimboe@kernel.org
Diffstat (limited to 'scripts/Makefile.vmlinux_o')
| -rw-r--r-- | scripts/Makefile.vmlinux_o | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/scripts/Makefile.vmlinux_o b/scripts/Makefile.vmlinux_o index 20533cc0b1ee..527352c222ff 100644 --- a/scripts/Makefile.vmlinux_o +++ b/scripts/Makefile.vmlinux_o @@ -63,11 +63,15 @@ quiet_cmd_ld_vmlinux.o = LD $@ --start-group $(KBUILD_VMLINUX_LIBS) --end-group \ $(cmd_objtool) +cmd_check_function_names = $(srctree)/scripts/check-function-names.sh $@ + define rule_ld_vmlinux.o $(call cmd_and_savecmd,ld_vmlinux.o) $(call cmd,gen_objtooldep) + $(call cmd,check_function_names) endef + vmlinux.o: $(initcalls-lds) vmlinux.a $(KBUILD_VMLINUX_LIBS) FORCE $(call if_changed_rule,ld_vmlinux.o) |