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Searched refs:btf (Results 1 – 25 of 148) sorted by relevance

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/linux/tools/testing/selftests/bpf/prog_tests/
H A Dlinked_list.c252 static struct btf *init_btf(void) in init_btf()
255 struct btf *btf; in init_btf() local
257 btf = btf__new_empty(); in init_btf()
258 if (!ASSERT_OK_PTR(btf, "btf__new_empty")) in init_btf()
260 id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED); in init_btf()
263 lid = btf__add_struct(btf, "bpf_spin_lock", 4); in init_btf()
266 hid = btf__add_struct(btf, "bpf_list_head", 16); in init_btf()
269 nid = btf__add_struct(btf, "bpf_list_node", 24); in init_btf()
272 return btf; in init_btf()
274 btf__free(btf); in init_btf()
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H A Dbtf_write.c4 #include <bpf/btf.h>
7 static void gen_btf(struct btf *btf) in gen_btf() argument
17 str_off = btf__find_str(btf, "int"); in gen_btf()
20 str_off = btf__add_str(btf, "int"); in gen_btf()
23 str_off = btf__find_str(btf, "int"); in gen_btf()
27 id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED); in gen_btf()
30 t = btf__type_by_id(btf, 1); in gen_btf()
33 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "int", "int_name"); in gen_btf()
38 ASSERT_STREQ(btf_type_raw_dump(btf, in gen_btf()
357 struct btf *btf; test_btf_add() local
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H A Dbtf_dump.c3 #include <bpf/btf.h>
26 static int btf_dump_all_types(const struct btf *btf, void *ctx) in btf_dump_all_types() argument
28 size_t type_cnt = btf__type_cnt(btf); in btf_dump_all_types()
32 d = btf_dump__new(btf, btf_dump_printf, ctx, NULL); in btf_dump_all_types()
51 struct btf *btf = NULL; in test_btf_dump_case() local
57 btf = btf__parse_elf(test_file, NULL); in test_btf_dump_case()
58 if (!ASSERT_OK_PTR(btf, "btf_parse_elf")) { in test_btf_dump_case()
59 err = -PTR_ERR(btf); in test_btf_dump_case()
130 struct btf *btf; global() member
184 struct btf *btf; test_btf_dump_incremental() local
285 struct btf *btf; test_btf_dump_type_tags() local
339 btf_dump_data(struct btf * btf,struct btf_dump * d,char * name,char * prefix,__u64 flags,void * ptr,size_t ptr_sz,char * str,const char * expected_val) btf_dump_data() argument
420 test_btf_dump_int_data(struct btf * btf,struct btf_dump * d,char * str) test_btf_dump_int_data() argument
478 test_btf_dump_float_data(struct btf * btf,struct btf_dump * d,char * str) test_btf_dump_float_data() argument
523 test_btf_dump_char_data(struct btf * btf,struct btf_dump * d,char * str) test_btf_dump_char_data() argument
545 test_btf_dump_typedef_data(struct btf * btf,struct btf_dump * d,char * str) test_btf_dump_typedef_data() argument
600 test_btf_dump_enum_data(struct btf * btf,struct btf_dump * d,char * str) test_btf_dump_enum_data() argument
636 test_btf_dump_struct_data(struct btf * btf,struct btf_dump * d,char * str) test_btf_dump_struct_data() argument
871 test_btf_dump_var_data(struct btf * btf,struct btf_dump * d,char * str) test_btf_dump_var_data() argument
883 struct btf *btf; global() member
998 test_btf_datasec(struct btf * btf,struct btf_dump * d,char * str,const char * name,const char * expected_val,void * data,size_t data_sz) test_btf_datasec() argument
1026 struct btf *btf; test_btf_dump_datasec_data() local
1049 struct btf *btf; test_btf_dump() local
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H A Dlocal_kptr_ownership.c14 static struct btf *init_btf(void) in init_btf()
16 struct btf *btf; in init_btf() local
19 btf = btf__new_empty(); in init_btf()
20 if (!ASSERT_OK_PTR(btf, "btf__new_empty")) in init_btf()
22 id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED); in init_btf()
25 id = btf__add_struct(btf, "bpf_spin_lock", 4); in init_btf()
28 id = btf__add_struct(btf, "bpf_list_head", 16); in init_btf()
31 id = btf__add_struct(btf, "bpf_list_node", 24); in init_btf()
34 return btf; in init_btf()
37 btf__free(btf); in init_btf()
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H A Dbtf_field_iter.c43 struct btf *btf = NULL; in test_btf_field_iter() local
46 btf = btf__new_empty(); in test_btf_field_iter()
47 if (!ASSERT_OK_PTR(btf, "empty_btf")) in test_btf_field_iter()
50 btf__add_int(btf, "int", 4, BTF_INT_SIGNED); /* [1] int */ in test_btf_field_iter()
51 btf__add_int(btf, "int64", 8, BTF_INT_SIGNED); /* [2] int64 */ in test_btf_field_iter()
52 btf__add_ptr(btf, 1); /* [3] int * */ in test_btf_field_iter()
53 btf__add_array(btf, 1, 2, 3); /* [4] int64[3] */ in test_btf_field_iter()
54 btf__add_struct(btf, "s1", 12); /* [5] struct s1 { */ in test_btf_field_iter()
55 btf__add_field(btf, "f1", 3, 0, 0); /* int *f1; */ in test_btf_field_iter()
56 btf__add_field(btf, "f2", 1, 0, 0); /* int f2; */ in test_btf_field_iter()
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H A Dlibbpf_str.c23 struct btf *btf; in test_libbpf_bpf_attach_type_str() local
28 btf = btf__parse("/sys/kernel/btf/vmlinux", NULL); in test_libbpf_bpf_attach_type_str()
29 if (!ASSERT_OK_PTR(btf, "btf_parse")) in test_libbpf_bpf_attach_type_str()
33 id = btf__find_by_name_kind(btf, "bpf_attach_type", BTF_KIND_ENUM); in test_libbpf_bpf_attach_type_str()
36 t = btf__type_by_id(btf, id); in test_libbpf_bpf_attach_type_str()
48 attach_type_name = btf__str_by_offset(btf, e->name_off); in test_libbpf_bpf_attach_type_str()
59 btf__free(btf); in test_libbpf_bpf_attach_type_str()
68 struct btf *btf; in test_libbpf_bpf_link_type_str() local
73 btf = btf__parse("/sys/kernel/btf/vmlinux", NULL); in test_libbpf_bpf_link_type_str()
74 if (!ASSERT_OK_PTR(btf, "btf_parse")) in test_libbpf_bpf_link_type_str()
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H A Dresolve_btfids.c147 __resolve_symbol(struct btf *btf, int type_id) in BTF_ID()
153 type = btf__type_by_id(btf, type_id); in BTF_ID()
157 str = btf__name_by_offset(btf, type->name_off); in BTF_ID()
183 static int resolve_symbols(struct btf *btf) in resolve_symbols() argument
185 __u32 nr = btf__type_cnt(btf); in resolve_symbols()
189 if (__resolve_symbol(btf, type_id)) in resolve_symbols()
195 static bool btf_has_decl_tag(struct btf *btf, const char *tag_name, s32 target_id) in btf_has_decl_tag() argument
201 nr = btf__type_cnt(btf); in btf_has_decl_tag()
203 t = btf__type_by_id(btf, id); in btf_has_decl_tag()
210 name = btf__name_by_offset(btf, t->name_off); in btf_has_decl_tag()
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H A Dlibbpf_probes.c9 struct btf *btf; in test_libbpf_probe_prog_types() local
14 btf = btf__parse("/sys/kernel/btf/vmlinux", NULL); in test_libbpf_probe_prog_types()
15 if (!ASSERT_OK_PTR(btf, "btf_parse")) in test_libbpf_probe_prog_types()
19 id = btf__find_by_name_kind(btf, "bpf_prog_type", BTF_KIND_ENUM); in test_libbpf_probe_prog_types()
22 t = btf__type_by_id(btf, id); in test_libbpf_probe_prog_types()
27 const char *prog_type_name = btf__str_by_offset(btf, e->name_off); in test_libbpf_probe_prog_types()
44 btf__free(btf); in test_libbpf_probe_prog_types()
49 struct btf *btf; in test_libbpf_probe_map_types() local
54 btf = btf__parse("/sys/kernel/btf/vmlinux", NULL); in test_libbpf_probe_map_types()
55 if (!ASSERT_OK_PTR(btf, "btf_parse")) in test_libbpf_probe_map_types()
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H A Dtest_global_funcs.c27 static void check_ctx_arg_type(const struct btf *btf, const struct btf_param *p) in check_ctx_arg_type()
32 t = btf__type_by_id(btf, p->type); in check_ctx_arg_type()
36 s = btf_type_raw_dump(btf, t->type); in check_ctx_arg_type()
48 struct btf *btf = NULL; in subtest_ctx_arg_rewrite()
51 struct btf *kern_btf = NULL; in subtest_ctx_arg_rewrite()
88 btf = btf__load_from_kernel_by_id(info.btf_id); in subtest_ctx_arg_rewrite()
89 if (!ASSERT_OK_PTR(btf, "obj_kern_btf")) in subtest_ctx_arg_rewrite()
100 fn_t = btf__type_by_id(btf, re in subtest_ctx_arg_rewrite()
26 check_ctx_arg_type(const struct btf * btf,const struct btf_param * p) check_ctx_arg_type() argument
47 struct btf *btf = NULL; subtest_ctx_arg_rewrite() local
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H A Dbtf_endian.c18 struct btf *btf = NULL, *swap_btf = NULL; in test_btf_endian() local
26 btf = btf__parse_elf("btf_dump_test_case_syntax.bpf.o", NULL); in test_btf_endian()
27 if (!ASSERT_OK_PTR(btf, "parse_native_btf")) in test_btf_endian()
30 ASSERT_EQ(btf__endianness(btf), endian, "endian"); in test_btf_endian()
31 btf__set_endianness(btf, swap_endian); in test_btf_endian()
32 ASSERT_EQ(btf__endianness(btf), swap_endian, "endian"); in test_btf_endian()
35 raw_data = btf__raw_data(btf, &raw_sz); in test_btf_endian()
45 ASSERT_EQ(btf__type_cnt(swap_btf), btf__type_cnt(btf), "nr_types"); in test_btf_endian()
71 var_id = btf__add_var(btf, "some_var", BTF_VAR_GLOBAL_ALLOCATED, 1); in test_btf_endian()
77 btf__set_endianness(btf, swap_endian); in test_btf_endian()
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H A Dcore_autosize.c60 struct btf *btf = NULL; in test_core_autosize() local
66 btf = btf__new_empty(); in test_core_autosize()
67 if (!ASSERT_OK_PTR(btf, "empty_btf")) in test_core_autosize()
85 btf__set_pointer_size(btf, 4); in test_core_autosize()
87 char_id = btf__add_int(btf, "unsigned char", 1, 0); in test_core_autosize()
89 short_id = btf__add_int(btf, "unsigned short", 2, 0); in test_core_autosize()
92 int_id = btf__add_int(btf, "long unsigned int", 4, 0); in test_core_autosize()
94 long_long_id = btf__add_int(btf, "unsigned long long", 8, 0); in test_core_autosize()
96 void_ptr_id = btf__add_ptr(btf, 0); in test_core_autosize()
99 id = btf__add_struct(btf, "test_struct", 20 /* bytes */); in test_core_autosize()
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H A Dbtf_dedup_split.c4 #include <bpf/btf.h>
9 struct btf *btf1, *btf2; in test_split_simple()
143 struct btf *btf1, *btf2; in test_split_fwd_resolve()
241 struct btf *btf1, *btf2; in test_split_struct_duped()
348 static void btf_add_dup_struct_in_cu(struct btf *btf, int start_id) in btf_add_dup_struct_in_cu()
351 btf__set_pointer_size(btf, 8); /* enforce 64-bit arch */ in btf_add_dup_struct_in_cu()
353 btf__add_int(btf, "int", 4, BTF_INT_SIGNED); /* [1] int */ in btf_add_dup_struct_in_cu()
355 btf__add_struct(btf, "s", 8); /* [2] struct s { */
356 btf__add_field(btf, "
332 btf_add_dup_struct_in_cu(struct btf * btf,int start_id) btf_add_dup_struct_in_cu() argument
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/linux/tools/lib/bpf/
H A Dbtf.h24 struct btf;
39 LIBBPF_API void btf__free(struct btf *btf);
55 LIBBPF_API struct btf *btf__new(const void *data, __u32 size);
77 LIBBPF_API struct btf *btf__new_split(const void *data, __u32 size, struct btf *base_btf);
91 LIBBPF_API struct btf *btf__new_empty(void);
110 LIBBPF_API struct btf *btf__new_empty_split(struct btf *base_btf);
114 struct btf *base_btf; /* optional base BTF */
130 LIBBPF_API struct btf *btf__new_empty_opts(struct btf_new_opts *opts);
154 LIBBPF_API int btf__distill_base(const struct btf *src_btf, struct btf **new_base_btf,
155 struct btf **new_split_btf);
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H A Dbtf.c62 struct btf { struct
141 struct btf *base_btf; argument
253 static void *btf_add_type_offs_mem(struct btf *btf, size_t add_cnt) in btf_add_type_offs_mem() argument
255 return libbpf_add_mem((void **)&btf->type_offs, &btf->type_offs_cap, sizeof(__u32), in btf_add_type_offs_mem()
256 btf->nr_types, BTF_MAX_NR_TYPES, add_cnt); in btf_add_type_offs_mem()
259 static int btf_add_type_idx_entry(struct btf *btf, __u32 type_off) in btf_add_type_idx_entry() argument
263 p = btf_add_type_offs_mem(btf, 1); in btf_add_type_idx_entry()
286 static int btf_parse_hdr(struct btf *btf) in btf_parse_hdr() argument
288 struct btf_header *hdr = btf->raw_data; in btf_parse_hdr()
291 if (btf->raw_size < offsetofend(struct btf_header, str_len)) { in btf_parse_hdr()
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H A Drelo_core.h10 const struct btf *btf; member
30 const struct btf *btf; member
71 int __bpf_core_types_are_compat(const struct btf *local_btf, __u32 local_id,
72 const struct btf *targ_btf, __u32 targ_id, int level);
73 int bpf_core_types_are_compat(const struct btf *local_btf, __u32 local_id,
74 const struct btf *targ_btf, __u32 targ_id);
75 int __bpf_core_types_match(const struct btf *local_btf, __u32 local_id, const struct btf *targ_btf,
77 int bpf_core_types_match(const struct btf *local_btf, __u32 local_id, const struct btf *targ_btf,
84 const struct btf *local_btf,
93 int bpf_core_parse_spec(const char *prog_name, const struct btf *btf,
/linux/include/linux/
H A Dbtf.h113 struct btf;
146 const char *btf_get_name(const struct btf *btf);
147 void btf_get(struct btf *btf);
148 void btf_put(struct btf *btf);
149 const struct btf_header *btf_header(const struct btf *btf);
152 struct btf *btf_get_by_fd(int fd);
153 int btf_get_info_by_fd(const struct btf *btf,
177 const struct btf_type *btf_type_id_size(const struct btf *btf,
198 void btf_type_seq_show(const struct btf *btf, u32 type_id, void *obj,
200 int btf_type_seq_show_flags(const struct btf *btf, u32 type_id, void *obj,
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/linux/kernel/bpf/
H A Dbtf.c254 struct btf { struct
276 struct btf *base_btf; argument
317 struct btf *btf; member
423 const struct btf *btf; member
462 void (*show)(const struct btf *btf, const struct btf_type *t,
500 static int btf_start_id(const struct btf *btf) in btf_start_id() argument
502 return btf->start_id + (btf->base_btf ? 0 : 1); in btf_start_id()
538 bool btf_is_vmlinux(const struct btf *btf) in btf_is_vmlinux() argument
540 return btf->kernel_btf && !btf->base_btf; in btf_is_vmlinux()
543 u32 btf_nr_types(const struct btf *btf) in btf_nr_types() argument
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H A Dcheck_btf.c40 const struct btf *btf; in prepare_btf_func() local
61 btf = prog->aux->btf; in prepare_btf_func()
108 type = btf_type_by_id(btf, krecord[i].type_id); in prepare_btf_func()
115 func_proto = btf_type_by_id(btf, type->type); in prepare_btf_func()
142 const struct btf *btf; in check_btf_func() local
161 btf = prog->aux->btf; in check_btf_func()
181 type = btf_type_by_id(btf, krecord[i].type_id); in check_btf_func()
184 func_proto = btf_type_by_id(btf, type->type); in check_btf_func()
186 ret_type = btf_type_skip_modifiers(btf, func_proto->type, NULL); in check_btf_func()
198 env->subprog_info[i].name = btf_name_by_offset(btf, type->name_off); in check_btf_func()
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H A Dbpf_struct_ops.c43 struct btf *btf; member
87 extern struct btf *btf_vmlinux;
89 static bool is_valid_value_type(struct btf *btf, s32 value_id, in is_valid_value_type() argument
97 vt = btf_type_by_id(btf, value_id); in is_valid_value_type()
104 mt = btf_type_by_id(btf, member->type); in is_valid_value_type()
113 mt = btf_type_by_id(btf, member->type); in is_valid_value_type()
116 value_name, btf_name_by_offset(btf, type->name_off)); in is_valid_value_type()
173 static int prepare_arg_info(struct btf *btf, in prepare_arg_info() argument
200 stub_func_id = btf_find_by_name_kind(btf, stub_fname, BTF_KIND_FUNC); in prepare_arg_info()
206 stub_func_proto = btf_type_by_id(btf, stub_func_id); in prepare_arg_info()
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/linux/tools/bpf/resolve_btfids/
H A Dmain.c143 struct btf *btf; member
144 struct btf *base_btf;
196 struct btf *btf; member
682 struct btf *base_btf = NULL, *btf = NULL; in load_btf() local
695 btf = btf__parse_split(obj->btf_path ?: obj->path, base_btf); in load_btf()
696 err = libbpf_get_error(btf); in load_btf()
704 obj->btf = btf; in load_btf()
710 btf__free(btf); in load_btf()
712 obj->btf = NULL; in load_btf()
722 struct btf *btf = obj->btf; in symbols_resolve() local
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/linux/tools/bpf/bpftool/
H A Dbtf.c108 static const char *btf_str(const struct btf *btf, __u32 off) in btf_str() argument
112 return btf__name_by_offset(btf, off) ? : "(invalid)"; in btf_str()
120 static int dump_btf_type(const struct btf *btf, __u32 id, in dump_btf_type() argument
130 jsonw_string_field(w, "name", btf_str(btf, t->name_off)); in dump_btf_type()
133 btf_str(btf, t->name_off)); in dump_btf_type()
193 const char *name = btf_str(btf, m->name_off); in dump_btf_type()
241 const char *name = btf_str(btf, v->name_off); in dump_btf_type()
278 const char *name = btf_str(btf, v->name_off); in dump_btf_type()
335 const char *name = btf_str(btf, p->name_off); in dump_btf_type()
388 if (v->type < btf__type_cnt(btf)) { in dump_btf_type()
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H A Dbtf_dumper.c27 static int btf_dump_func(const struct btf *btf, char *func_sig,
40 struct btf *prog_btf = NULL; in dump_prog_id_as_func_ptr()
47 func_sig_len = btf_dump_func(d->btf, prog_str, func_proto, NULL, 0, in dump_prog_id_as_func_ptr()
118 ptr_type_id = btf__resolve_type(d->btf, t->type); in btf_dumper_ptr()
121 ptr_type = btf__type_by_id(d->btf, ptr_type_id); in btf_dumper_ptr()
140 actual_type_id = btf__resolve_type(d->btf, type_id); in btf_dumper_modifier()
175 btf__name_by_offset(d->btf, in btf_dumper_enum()
201 btf__name_by_offset(d->btf, in btf_dumper_enum64()
211 static bool is_str_array(const struct btf *btf, const struct btf_array *arr, in is_str_array() argument
220 elem_type = btf__type_by_id(btf, arr->type); in is_str_array()
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H A Dgen.c59 resolve_func_ptr(const struct btf *btf, __u32 id, __u32 *res_id) in resolve_func_ptr() argument
63 t = skip_mods_and_typedefs(btf, id, NULL); in resolve_func_ptr()
67 t = skip_mods_and_typedefs(btf, t->type, res_id); in resolve_func_ptr()
154 struct btf *btf, in codegen_datasec_def() argument
159 const char *sec_name = btf__name_by_offset(btf, sec->name_off); in codegen_datasec_def()
173 const struct btf_type *var = btf__type_by_id(btf, sec_var->type); in codegen_datasec_def()
174 const char *var_name = btf__name_by_offset(btf, var->name_off); in codegen_datasec_def()
193 align = btf__align_of(btf, var->type); in codegen_datasec_def()
241 static const struct btf_type *find_type_for_map(struct btf *btf, const char *map_ident) in find_type_for_map() argument
243 int n = btf__type_cnt(btf), i; in find_type_for_map()
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/linux/tools/testing/selftests/bpf/
H A Dbtf_helpers.h9 int fprintf_btf_type_raw(FILE *out, const struct btf *btf, __u32 id);
10 const char *btf_type_raw_dump(const struct btf *btf, int type_id);
11 int btf_validate_raw(struct btf *btf, int nr_types, const char *exp_types[]);
13 #define VALIDATE_RAW_BTF(btf, raw_types...) \ argument
14 btf_validate_raw(btf, \
18 const char *btf_type_c_dump(const struct btf *btf);
H A Dbtf_helpers.c81 static const char *btf_str(const struct btf *btf, __u32 off) in btf_str() argument
85 return btf__str_by_offset(btf, off) ?: "(invalid)"; in btf_str()
88 int fprintf_btf_type_raw(FILE *out, const struct btf *btf, __u32 id) in fprintf_btf_type_raw() argument
94 t = btf__type_by_id(btf, id); in fprintf_btf_type_raw()
101 fprintf(out, "[%u] %s '%s'", id, btf_kind_str(kind), btf_str(btf, t->name_off)); in fprintf_btf_type_raw()
135 btf_str(btf, m->name_off), m->type, bit_off); in fprintf_btf_type_raw()
150 btf_str(btf, v->name_off), v->val); in fprintf_btf_type_raw()
164 btf_str(btf, v->name_off), in fprintf_btf_type_raw()
181 btf_str(btf, p->name_off), p->type); in fprintf_btf_type_raw()
216 const char *btf_type_raw_dump(const struct btf *btf, int type_id) in btf_type_raw_dump() argument
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