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-rw-r--r--tools/objtool/check.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 3f8664b0e3f9..dece3253ff6a 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -2357,6 +2357,12 @@ static int validate_functions(struct objtool_file *file)
if (func->type != STT_FUNC)
continue;
+ if (!func->len) {
+ WARN("%s() is missing an ELF size annotation",
+ func->name);
+ warnings++;
+ }
+
if (func->pfunc != func || func->alias != func)
continue;