selftests/bpf: add CO-RE relocs array tests (20a9ad2e) · Commits · 戴 / test

tools/testing/selftests/bpf/prog_tests/core_reloc.c

+41 −0

Original line number	Diff line number	Diff line
		@@ -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 {

0 → 100644

+3 −0

Original line number	Diff line number	Diff line
		#include "core_reloc_types.h"

		void f(struct core_reloc_arrays x) {}

0 → 100644

+3 −0

Original line number	Diff line number	Diff line
		#include "core_reloc_types.h"

		void f(struct core_reloc_arrays___diff_arr_dim x) {}

0 → 100644

+3 −0

Original line number	Diff line number	Diff line
		#include "core_reloc_types.h"

		void f(struct core_reloc_arrays___diff_arr_val_sz x) {}

0 → 100644

+3 −0

Original line number	Diff line number	Diff line
		#include "core_reloc_types.h"

		void f(struct core_reloc_arrays___err_non_array x) {}