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authorJakub Kicinski <jakub.kicinski@netronome.com>2019-01-25 15:24:42 -0800
committerAlexei Starovoitov <ast@kernel.org>2019-01-27 21:37:45 -0800
commit2dfb40121ee83139909e4e17d414eee87897bb8e (patch)
tree15f8621dd465b576f8527ae75caf80e574815ae7
parentMerge branch 'jmp32-insns' (diff)
downloadwireguard-linux-2dfb40121ee83139909e4e17d414eee87897bb8e.tar.xz
wireguard-linux-2dfb40121ee83139909e4e17d414eee87897bb8e.zip
selftests: bpf: prepare for break up of verifier tests
test_verifier.c has grown to be very long (almost 16 kLoC), and it is very conflict prone since we always add tests at the end. Try to break it apart a little bit. Allow test snippets to be defined in separate files and include them automatically into the huge test array. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
-rw-r--r--tools/testing/selftests/bpf/Makefile13
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c3
-rw-r--r--tools/testing/selftests/bpf/verifier/.gitignore1
3 files changed, 17 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index d61b023c8ddc..89b0d1799ff3 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -212,4 +212,17 @@ ifeq ($(DWARF2BTF),y)
$(BTF_PAHOLE) -J $@
endif
+$(OUTPUT)/test_verifier: $(OUTPUT)/verifier/tests.h
+$(OUTPUT)/test_verifier: CFLAGS += -I$(OUTPUT)
+
+VERIFIER_TEST_FILES := $(wildcard verifier/*.c)
+$(OUTPUT)/verifier/tests.h: $(VERIFIER_TEST_FILES)
+ $(shell ( cd verifier/
+ echo '/* Generated header, do not edit */'; \
+ echo '#ifdef FILL_ARRAY'; \
+ ls *.c 2> /dev/null | \
+ sed -e 's@\(.*\)@#include \"\1\"@'; \
+ echo '#endif' \
+ ) > $(OUTPUT)/verifier/tests.h)
+
EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(ALU32_BUILD_DIR)
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 1df757645a9a..0a1847c3d1a3 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -248,6 +248,9 @@ static void bpf_fill_rand_ld_dw(struct bpf_test *self)
BPF_ALU64_IMM(BPF_ARSH, BPF_REG_7, 32)
static struct bpf_test tests[] = {
+#define FILL_ARRAY
+#include <verifier/tests.h>
+#undef FILL_ARRAY
{
"add+sub+mul",
.insns = {
diff --git a/tools/testing/selftests/bpf/verifier/.gitignore b/tools/testing/selftests/bpf/verifier/.gitignore
new file mode 100644
index 000000000000..45984a364647
--- /dev/null
+++ b/tools/testing/selftests/bpf/verifier/.gitignore
@@ -0,0 +1 @@
+tests.h