xref: /linux/scripts/Makefile.btf (revision a0aab7d7c8605f53ea77dfaafec1dcc0bfb1f232)
1# SPDX-License-Identifier: GPL-2.0
2
3pahole-ver := $(CONFIG_PAHOLE_VERSION)
4pahole-flags-y :=
5
6ifeq ($(call test-le, $(pahole-ver), 125),y)
7
8# pahole 1.18 through 1.21 can't handle zero-sized per-CPU vars
9ifeq ($(call test-le, $(pahole-ver), 121),y)
10pahole-flags-$(call test-ge, $(pahole-ver), 118)	+= --skip_encoding_btf_vars
11endif
12
13pahole-flags-$(call test-ge, $(pahole-ver), 121)	+= --btf_gen_floats
14
15pahole-flags-$(call test-ge, $(pahole-ver), 122)	+= -j
16
17pahole-flags-$(call test-ge, $(pahole-ver), 125)	+= --skip_encoding_btf_inconsistent_proto --btf_gen_optimized
18
19else
20
21# Switch to using --btf_features for v1.26 and later.
22pahole-flags-$(call test-ge, $(pahole-ver), 126)  = -j --btf_features=encode_force,var,float,enum64,decl_tag,type_tag,optimized_func,consistent_func,decl_tag_kfuncs
23
24ifneq ($(KBUILD_EXTMOD),)
25module-pahole-flags-$(call test-ge, $(pahole-ver), 126) += --btf_features=distilled_base
26endif
27
28endif
29
30pahole-flags-$(CONFIG_PAHOLE_HAS_LANG_EXCLUDE)		+= --lang_exclude=rust
31
32export PAHOLE_FLAGS := $(pahole-flags-y)
33export MODULE_PAHOLE_FLAGS := $(module-pahole-flags-y)
34