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selftests: bpf: prepare for break up of verifier tests

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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>
This commit is contained in:
Jakub Kicinski 2019-01-25 15:24:42 -08:00 committed by Alexei Starovoitov
parent ae575c8a98
commit 2dfb40121e
3 changed files with 17 additions and 0 deletions
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13
tools/testing/selftests/bpf/Makefile
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@ -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)

3
tools/testing/selftests/bpf/test_verifier.c
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@ -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 = {

1
tools/testing/selftests/bpf/verifier/.gitignore vendored Normal file
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@ -0,0 +1 @@
tests.h