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 <[email protected]>
Acked-by: Jiong Wang <[email protected]>
---
 tools/testing/selftests/bpf/Makefile            | 13 +++++++++++++
 tools/testing/selftests/bpf/test_verifier.c     |  3 +++
 tools/testing/selftests/bpf/verifier/.gitignore |  1 +
 3 files changed, 17 insertions(+)
 create mode 100644 tools/testing/selftests/bpf/verifier/.gitignore

diff --git a/tools/testing/selftests/bpf/Makefile 
b/tools/testing/selftests/bpf/Makefile
index ab1b4e0ecc63..791b4c9bf796 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -217,4 +217,17 @@ 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
-- 
2.19.2

Reply via email to