Commit d9db3550 authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov
Browse files

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



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

Signed-off-by: default avatarAndrii Nakryiko <andriin@fb.com>
Acked-by: default avatarSong Liu <songliubraving@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 20a9ad2e

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

+36 −0
Original line number Diff line number Diff line
@@ -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 {

tools/testing/selftests/bpf/progs/btf__core_reloc_primitives.c

0 → 100644
+3 −0
Original line number Diff line number Diff line 
#include "core_reloc_types.h"



void f(struct core_reloc_primitives x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_enum_def.c

0 → 100644
+3 −0
Original line number Diff line number Diff line 
#include "core_reloc_types.h"



void f(struct core_reloc_primitives___diff_enum_def x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_func_proto.c

0 → 100644
+3 −0
Original line number Diff line number Diff line 
#include "core_reloc_types.h"



void f(struct core_reloc_primitives___diff_func_proto x) {}

tools/testing/selftests/bpf/progs/btf__core_reloc_primitives___diff_ptr_type.c

0 → 100644
+3 −0
Original line number Diff line number Diff line 
#include "core_reloc_types.h"



void f(struct core_reloc_primitives___diff_ptr_type x) {}