author: Nick Desaulniers <ndesaulniers@google.com> 2021-03-11 17:09:41 -0800
committer: Kees Cook <keescook@chromium.org> 2021-05-24 15:24:34 -0700
commit: 24845dcb170e16b3100bd49743687648c71387ae
parent: 1cb61759d40716643281b8e0f8c7afebc8699249
Commit Summary:
Diffstat:
1 file changed, 4 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 0ed7e061c8e9..90d1e1d7b927 100644
--- a/Makefile
+++ b/Makefile
@@ -928,6 +928,11 @@ CC_FLAGS_LTO += -fvisibility=hidden
# Limit inlining across translation units to reduce binary size
KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
+
+# Check for frame size exceeding threshold during prolog/epilog insertion.
+ifneq ($(CONFIG_FRAME_WARN),0)
+KBUILD_LDFLAGS += -plugin-opt=-warn-stack-size=$(CONFIG_FRAME_WARN)
+endif
endif
ifdef CONFIG_LTO