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authorAndrii Nakryiko <andriin@fb.com>2019-08-07 14:39:56 -0700
committerAlexei Starovoitov <ast@kernel.org>2019-08-07 14:43:49 -0700
commit20a9ad2e71368da8e831317f0a545e4bfb31cce1 (patch)
treeb3a55d956b993fb1da61b77c666fcef154e46b77 /tools/testing/selftests/bpf/prog_tests/core_reloc.c
parentselftests/bpf: add CO-RE relocs nesting tests (diff)
downloadwireguard-linux-20a9ad2e71368da8e831317f0a545e4bfb31cce1.tar.xz
wireguard-linux-20a9ad2e71368da8e831317f0a545e4bfb31cce1.zip
selftests/bpf: add CO-RE relocs array tests
Add tests for various array handling/relocation scenarios. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/core_reloc.c')
-rw-r--r--tools/testing/selftests/bpf/prog_tests/core_reloc.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/core_reloc.c b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
index 3e9344e41556..3b40160c0837 100644
--- a/tools/testing/selftests/bpf/prog_tests/core_reloc.c
+++ b/tools/testing/selftests/bpf/prog_tests/core_reloc.c
@@ -51,6 +51,36 @@
.fails = true, \
}
+#define ARRAYS_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) { \
+ .a = { [2] = 1 }, \
+ .b = { [1] = { [2] = { [3] = 2 } } }, \
+ .c = { [1] = { .c = 3 } }, \
+ .d = { [0] = { [0] = { .d = 4 } } }, \
+}
+
+#define ARRAYS_CASE_COMMON(name) \
+ .case_name = #name, \
+ .bpf_obj_file = "test_core_reloc_arrays.o", \
+ .btf_src_file = "btf__core_reloc_" #name ".o"
+
+#define ARRAYS_CASE(name) { \
+ ARRAYS_CASE_COMMON(name), \
+ .input = ARRAYS_DATA(core_reloc_##name), \
+ .input_len = sizeof(struct core_reloc_##name), \
+ .output = STRUCT_TO_CHAR_PTR(core_reloc_arrays_output) { \
+ .a2 = 1, \
+ .b123 = 2, \
+ .c1c = 3, \
+ .d00d = 4, \
+ }, \
+ .output_len = sizeof(struct core_reloc_arrays_output) \
+}
+
+#define ARRAYS_ERR_CASE(name) { \
+ ARRAYS_CASE_COMMON(name), \
+ .fails = true, \
+}
+
struct core_reloc_test_case {
const char *case_name;
const char *bpf_obj_file;
@@ -96,6 +126,17 @@ static struct core_reloc_test_case test_cases[] = {
NESTING_ERR_CASE(nesting___err_dup_incompat_types),
NESTING_ERR_CASE(nesting___err_partial_match_dups),
NESTING_ERR_CASE(nesting___err_too_deep),
+
+ /* various array access relocation scenarios */
+ ARRAYS_CASE(arrays),
+ ARRAYS_CASE(arrays___diff_arr_dim),
+ ARRAYS_CASE(arrays___diff_arr_val_sz),
+
+ ARRAYS_ERR_CASE(arrays___err_too_small),
+ ARRAYS_ERR_CASE(arrays___err_too_shallow),
+ ARRAYS_ERR_CASE(arrays___err_non_array),
+ ARRAYS_ERR_CASE(arrays___err_wrong_val_type1),
+ ARRAYS_ERR_CASE(arrays___err_wrong_val_type2),
};
struct data {