selftests/bpf: Add CFLAGS per source file and runner

[ Upstream commit 207cf6e649ee551ab3bdb1cfe1b2848e6a4337a5 ]

This patch adds support to specify CFLAGS per source file and per test
runner.

Signed-off-by: Cupertino Miranda <cupertino.miranda@oracle.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/bpf/20240507122220.207820-2-cupertino.miranda@oracle.com
Stable-dep-of: 3ece93a4087b ("selftests/bpf: Fix wrong binary in Makefile log output")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Cupertino Miranda 2024-05-07 13:22:19 +01:00 committed by Greg Kroah-Hartman
parent 5d99839bfe
commit 97e4a3ba9d
1 changed files with 9 additions and 8 deletions

View File

@ -60,11 +60,11 @@ TEST_INST_SUBDIRS += bpf_gcc
# The following tests contain C code that, although technically legal,
# triggers GCC warnings that cannot be disabled: declaration of
# anonymous struct types in function parameter lists.
progs/btf_dump_test_case_bitfields.c-CFLAGS := -Wno-error
progs/btf_dump_test_case_namespacing.c-CFLAGS := -Wno-error
progs/btf_dump_test_case_packing.c-CFLAGS := -Wno-error
progs/btf_dump_test_case_padding.c-CFLAGS := -Wno-error
progs/btf_dump_test_case_syntax.c-CFLAGS := -Wno-error
progs/btf_dump_test_case_bitfields.c-bpf_gcc-CFLAGS := -Wno-error
progs/btf_dump_test_case_namespacing.c-bpf_gcc-CFLAGS := -Wno-error
progs/btf_dump_test_case_packing.c-bpf_gcc-CFLAGS := -Wno-error
progs/btf_dump_test_case_padding.c-bpf_gcc-CFLAGS := -Wno-error
progs/btf_dump_test_case_syntax.c-bpf_gcc-CFLAGS := -Wno-error
endif
ifneq ($(CLANG_CPUV4),)
@ -451,7 +451,7 @@ LINKED_BPF_SRCS := $(patsubst %.bpf.o,%.c,$(foreach skel,$(LINKED_SKELS),$($(ske
# $eval()) and pass control to DEFINE_TEST_RUNNER_RULES.
# Parameters:
# $1 - test runner base binary name (e.g., test_progs)
# $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, gcc-bpf, etc)
# $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
define DEFINE_TEST_RUNNER
TRUNNER_OUTPUT := $(OUTPUT)$(if $2,/)$2
@ -479,7 +479,7 @@ endef
# Using TRUNNER_XXX variables, provided by callers of DEFINE_TEST_RUNNER and
# set up by DEFINE_TEST_RUNNER itself, create test runner build rules with:
# $1 - test runner base binary name (e.g., test_progs)
# $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, gcc-bpf, etc)
# $2 - test runner extra "flavor" (e.g., no_alu32, cpuv4, bpf_gcc, etc)
define DEFINE_TEST_RUNNER_RULES
ifeq ($($(TRUNNER_OUTPUT)-dir),)
@ -502,7 +502,8 @@ $(TRUNNER_BPF_OBJS): $(TRUNNER_OUTPUT)/%.bpf.o: \
| $(TRUNNER_OUTPUT) $$(BPFOBJ)
$$(call $(TRUNNER_BPF_BUILD_RULE),$$<,$$@, \
$(TRUNNER_BPF_CFLAGS) \
$$($$<-CFLAGS))
$$($$<-CFLAGS) \
$$($$<-$2-CFLAGS))
$(TRUNNER_BPF_SKELS): %.skel.h: %.bpf.o $(BPFTOOL) | $(TRUNNER_OUTPUT)
$$(call msg,GEN-SKEL,$(TRUNNER_BINARY),$$@)