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selftests/bpf: add CO-RE relocs enum/ptr/func_proto tests

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Test CO-RE relocation handling of ints, enums, pointers, func protos, etc.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Andrii Nakryiko
2019-08-07 14:39:57 -07:00
committed by Alexei Starovoitov
parent 20a9ad2e71
commit d9db355030
10 changed files with 167 additions and 0 deletions
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36
tools/testing/selftests/bpf/prog_tests/core_reloc.c
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@@ -81,6 +81,32 @@
.fails = true, \
}
#define PRIMITIVES_DATA(struct_name) STRUCT_TO_CHAR_PTR(struct_name) { \
.a = 1, \
.b = 2, \
.c = 3, \
.d = (void *)4, \
.f = (void *)5, \
}
#define PRIMITIVES_CASE_COMMON(name) \
.case_name = #name, \
.bpf_obj_file = "test_core_reloc_primitives.o", \
.btf_src_file = "btf__core_reloc_" #name ".o"
#define PRIMITIVES_CASE(name) { \
PRIMITIVES_CASE_COMMON(name), \
.input = PRIMITIVES_DATA(core_reloc_##name), \
.input_len = sizeof(struct core_reloc_##name), \
.output = PRIMITIVES_DATA(core_reloc_primitives), \
.output_len = sizeof(struct core_reloc_primitives), \
}
#define PRIMITIVES_ERR_CASE(name) { \
PRIMITIVES_CASE_COMMON(name), \
.fails = true, \
}
struct core_reloc_test_case {
const char *case_name;
const char *bpf_obj_file;
@@ -137,6 +163,16 @@ static struct core_reloc_test_case test_cases[] = {
ARRAYS_ERR_CASE(arrays___err_non_array),
ARRAYS_ERR_CASE(arrays___err_wrong_val_type1),
ARRAYS_ERR_CASE(arrays___err_wrong_val_type2),
/* enum/ptr/int handling scenarios */
PRIMITIVES_CASE(primitives),
PRIMITIVES_CASE(primitives___diff_enum_def),
PRIMITIVES_CASE(primitives___diff_func_proto),
PRIMITIVES_CASE(primitives___diff_ptr_type),
PRIMITIVES_ERR_CASE(primitives___err_non_enum),
PRIMITIVES_ERR_CASE(primitives___err_non_int),
PRIMITIVES_ERR_CASE(primitives___err_non_ptr),
};
struct data {