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-rw-r--r--scripts/Makefile.btf19
1 files changed, 19 insertions, 0 deletions
diff --git a/scripts/Makefile.btf b/scripts/Makefile.btf
new file mode 100644
index 0000000000..82377e470a
--- /dev/null
+++ b/scripts/Makefile.btf
@@ -0,0 +1,19 @@
+# SPDX-License-Identifier: GPL-2.0
+
+pahole-ver := $(CONFIG_PAHOLE_VERSION)
+pahole-flags-y :=
+
+# pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
+ifeq ($(call test-le, $(pahole-ver), 121),y)
+pahole-flags-$(call test-ge, $(pahole-ver), 118) += --skip_encoding_btf_vars
+endif
+
+pahole-flags-$(call test-ge, $(pahole-ver), 121) += --btf_gen_floats
+
+pahole-flags-$(call test-ge, $(pahole-ver), 122) += -j
+
+pahole-flags-$(CONFIG_PAHOLE_HAS_LANG_EXCLUDE) += --lang_exclude=rust
+
+pahole-flags-$(call test-ge, $(pahole-ver), 125) += --skip_encoding_btf_inconsistent_proto --btf_gen_optimized
+
+export PAHOLE_FLAGS := $(pahole-flags-y)