selftests/bpf: add CO-RE relocs modifiers/typedef tests (9654e2ae) · Commits · 戴 / test

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

+27 −0

Original line number	Diff line number	Diff line
		@@ -107,6 +107,28 @@
		.fails = true, \
		}

		#define MODS_CASE(name) { \
		.case_name = #name, \
		.bpf_obj_file = "test_core_reloc_mods.o", \
		.btf_src_file = "btf__core_reloc_" #name ".o", \
		.input = STRUCT_TO_CHAR_PTR(core_reloc_##name) { \
		.a = 1, \
		.b = 2, \
		.c = (void *)3, \
		.d = (void *)4, \
		.e = { [2] = 5 }, \
		.f = { [1] = 6 }, \
		.g = { .x = 7 }, \
		.h = { .y = 8 }, \
		}, \
		.input_len = sizeof(struct core_reloc_##name), \
		.output = STRUCT_TO_CHAR_PTR(core_reloc_mods_output) { \
		.a = 1, .b = 2, .c = 3, .d = 4, \
		.e = 5, .f = 6, .g = 7, .h = 8, \
		}, \
		.output_len = sizeof(struct core_reloc_mods_output), \
		}

		struct core_reloc_test_case {
		const char *case_name;
		const char *bpf_obj_file;
		@@ -173,6 +195,11 @@ static struct core_reloc_test_case test_cases[] = {
		PRIMITIVES_ERR_CASE(primitives___err_non_enum),
		PRIMITIVES_ERR_CASE(primitives___err_non_int),
		PRIMITIVES_ERR_CASE(primitives___err_non_ptr),

		/* const/volatile/restrict and typedefs scenarios */
		MODS_CASE(mods),
		MODS_CASE(mods___mod_swap),
		MODS_CASE(mods___typedefs),
		};

		struct data {

0 → 100644

+3 −0

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

		void f(struct core_reloc_mods x) {}

0 → 100644

+3 −0

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

		void f(struct core_reloc_mods___mod_swap x) {}

0 → 100644

+3 −0

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

		void f(struct core_reloc_mods___typedefs x) {}

+72 −0

Original line number	Diff line number	Diff line
		@@ -454,3 +454,75 @@ struct core_reloc_primitives___err_non_ptr {
		int d; /* int instead of ptr */
		int (f)(const char );
		};

		/*
		* MODS
		*/
		struct core_reloc_mods_output {
		int a, b, c, d, e, f, g, h;
		};

		typedef const int int_t;
		typedef const char *char_ptr_t;
		typedef const int arr_t[7];

		struct core_reloc_mods_substruct {
		int x;
		int y;
		};

		typedef struct {
		int x;
		int y;
		} core_reloc_mods_substruct_t;

		struct core_reloc_mods {
		int a;
		int_t b;
		char *c;
		char_ptr_t d;
		int e[3];
		arr_t f;
		struct core_reloc_mods_substruct g;
		core_reloc_mods_substruct_t h;
		};

		/* a/b, c/d, e/f, and g/h pairs are swapped */
		struct core_reloc_mods___mod_swap {
		int b;
		int_t a;
		char *d;
		char_ptr_t c;
		int f[3];
		arr_t e;
		struct {
		int y;
		int x;
		} h;
		core_reloc_mods_substruct_t g;
		};

		typedef int int1_t;
		typedef int1_t int2_t;
		typedef int2_t int3_t;

		typedef int arr1_t[5];
		typedef arr1_t arr2_t;
		typedef arr2_t arr3_t;
		typedef arr3_t arr4_t;

		typedef const char * const volatile restrict fancy_char_ptr_t;

		typedef core_reloc_mods_substruct_t core_reloc_mods_substruct_tt;

		/* we need more typedefs */
		struct core_reloc_mods___typedefs {
		core_reloc_mods_substruct_tt g;
		core_reloc_mods_substruct_tt h;
		arr4_t f;
		arr4_t e;
		fancy_char_ptr_t d;
		fancy_char_ptr_t c;
		int3_t b;
		int3_t a;
		};