| /tools/testing/selftests/bpf/prog_tests/ |
| D | linked_list.c | 237 static struct btf *init_btf(void) in init_btf()
240 struct btf *btf; in init_btf() local
242 btf = btf__new_empty(); in init_btf()
243 if (!ASSERT_OK_PTR(btf, "btf__new_empty")) in init_btf()
245 id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED); in init_btf()
248 lid = btf__add_struct(btf, "bpf_spin_lock", 4); in init_btf()
251 hid = btf__add_struct(btf, "bpf_list_head", 16); in init_btf()
254 nid = btf__add_struct(btf, "bpf_list_node", 24); in init_btf()
257 return btf; in init_btf()
259 btf__free(btf); in init_btf()
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| D | btf_write.c | 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, 1), in gen_btf()
42 id = btf__add_int(btf, "bad sz int", 7, 0); in gen_btf()
45 id = btf__add_int(btf, "bad enc int", 4, 123); in gen_btf()
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| D | btf_dump.c | 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()
60 btf = NULL; in test_btf_dump_case()
70 btf__set_pointer_size(btf, 8); in test_btf_dump_case()
72 CHECK(btf__pointer_size(btf) != 8, "ptr_sz", "exp %d, got %zu\n", in test_btf_dump_case()
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| D | libbpf_str.c | 23 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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| D | libbpf_probes.c | 9 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()
42 btf__free(btf); in test_libbpf_probe_prog_types()
47 struct btf *btf; in test_libbpf_probe_map_types() local
52 btf = btf__parse("/sys/kernel/btf/vmlinux", NULL); in test_libbpf_probe_map_types()
53 if (!ASSERT_OK_PTR(btf, "btf_parse")) in test_libbpf_probe_map_types()
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| D | btf_endian.c | 18 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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| D | btf_dedup_split.c | 9 struct btf *btf1, *btf2; in test_split_simple()
127 struct btf *btf1, *btf2; in test_split_fwd_resolve()
225 struct btf *btf1, *btf2; in test_split_struct_duped()
332 static void btf_add_dup_struct_in_cu(struct btf *btf, int start_id) in btf_add_dup_struct_in_cu() argument
335 btf__set_pointer_size(btf, 8); /* enforce 64-bit arch */ in btf_add_dup_struct_in_cu()
337 btf__add_int(btf, "int", 4, BTF_INT_SIGNED); /* [1] int */ in btf_add_dup_struct_in_cu()
339 btf__add_struct(btf, "s", 8); /* [2] struct s { */ in btf_add_dup_struct_in_cu()
340 btf__add_field(btf, "a", ID(3), 0, 0); /* struct anon a; */ in btf_add_dup_struct_in_cu()
341 btf__add_field(btf, "b", ID(4), 0, 0); /* struct anon b; */ in btf_add_dup_struct_in_cu()
344 btf__add_struct(btf, "(anon)", 8); /* [3] struct anon { */ in btf_add_dup_struct_in_cu()
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| D | core_autosize.c | 60 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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| D | resolve_btfids.c | 66 __resolve_symbol(struct btf *btf, int type_id) in BTF_ID()
72 type = btf__type_by_id(btf, type_id); in BTF_ID()
85 str = btf__name_by_offset(btf, type->name_off); in BTF_ID()
100 struct btf *btf; in resolve_symbols() local
104 btf = btf__parse_elf("btf_data.bpf.o", NULL); in resolve_symbols()
105 if (CHECK(libbpf_get_error(btf), "resolve", in resolve_symbols()
109 nr = btf__type_cnt(btf); in resolve_symbols()
112 if (__resolve_symbol(btf, type_id)) in resolve_symbols()
116 btf__free(btf); in resolve_symbols()
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| D | test_bpf_ma.c | 15 struct btf *btf; in test_test_bpf_ma() local
22 btf = bpf_object__btf(skel->obj); in test_test_bpf_ma()
23 if (!ASSERT_OK_PTR(btf, "btf")) in test_test_bpf_ma()
31 id = btf__find_by_name_kind(btf, name, BTF_KIND_STRUCT); in test_test_bpf_ma()
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| D | ctx_rewrite.c | 249 static int find_field_offset_aux(struct btf *btf, int btf_id, char *field_name, int off) in find_field_offset_aux() argument
251 const struct btf_type *type = btf__type_by_id(btf, btf_id); in find_field_offset_aux()
270 const char *mname = btf__name_by_offset(btf, m->name_off); in find_field_offset_aux()
273 int msize = find_field_offset_aux(btf, m->type, field_name, in find_field_offset_aux()
288 static int find_field_offset(struct btf *btf, char *pattern, regmatch_t *matches) in find_field_offset() argument
310 btf_id = btf__find_by_name(btf, type_str); in find_field_offset()
316 field_offset = find_field_offset_aux(btf, btf_id, field_str, 0); in find_field_offset()
487 static bool match_pattern(struct btf *btf, char *pattern, char *text, char *reg_map[][2]) in match_pattern() argument
558 field_offset = find_field_offset(btf, pattern, matches); in match_pattern()
584 field_offset = find_field_offset(btf, pattern, matches); in match_pattern()
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| /tools/lib/bpf/ |
| D | btf.h | 23 struct btf;
38 LIBBPF_API void btf__free(struct btf *btf);
54 LIBBPF_API struct btf *btf__new(const void *data, __u32 size);
76 LIBBPF_API struct btf *btf__new_split(const void *data, __u32 size, struct btf *base_btf);
90 LIBBPF_API struct btf *btf__new_empty(void);
108 LIBBPF_API struct btf *btf__new_empty_split(struct btf *base_btf);
110 LIBBPF_API struct btf *btf__parse(const char *path, struct btf_ext **btf_ext);
111 LIBBPF_API struct btf *btf__parse_split(const char *path, struct btf *base_btf);
112 LIBBPF_API struct btf *btf__parse_elf(const char *path, struct btf_ext **btf_ext);
113 LIBBPF_API struct btf *btf__parse_elf_split(const char *path, struct btf *base_btf);
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| D | btf.c | 31 struct btf { struct
97 struct btf *base_btf; argument
192 static void *btf_add_type_offs_mem(struct btf *btf, size_t add_cnt) in btf_add_type_offs_mem() argument
194 return libbpf_add_mem((void **)&btf->type_offs, &btf->type_offs_cap, sizeof(__u32), in btf_add_type_offs_mem()
195 btf->nr_types, BTF_MAX_NR_TYPES, add_cnt); in btf_add_type_offs_mem()
198 static int btf_add_type_idx_entry(struct btf *btf, __u32 type_off) in btf_add_type_idx_entry() argument
202 p = btf_add_type_offs_mem(btf, 1); in btf_add_type_idx_entry()
220 static int btf_parse_hdr(struct btf *btf) in btf_parse_hdr() argument
222 struct btf_header *hdr = btf->hdr; in btf_parse_hdr()
225 if (btf->raw_size < sizeof(struct btf_header)) { in btf_parse_hdr()
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| D | relo_core.h | 10 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,
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| D | relo_core.c | 22 skip_mods_and_typedefs(const struct btf *btf, u32 id, u32 *res_id) in skip_mods_and_typedefs() argument
24 return btf_type_skip_modifiers(btf, id, res_id); in skip_mods_and_typedefs()
27 static const char *btf__name_by_offset(const struct btf *btf, u32 offset) in btf__name_by_offset() argument
29 return btf_name_by_offset(btf, offset); in btf__name_by_offset()
32 static s64 btf__resolve_size(const struct btf *btf, u32 type_id) in btf__resolve_size() argument
37 t = btf_type_by_id(btf, type_id); in btf__resolve_size()
38 t = btf_resolve_size(btf, t, &size); in btf__resolve_size()
71 static bool is_flex_arr(const struct btf *btf, in is_flex_arr() argument
82 t = btf_type_by_id(btf, acc->type_id); in is_flex_arr()
146 int __bpf_core_types_are_compat(const struct btf *local_btf, __u32 local_id, in __bpf_core_types_are_compat()
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| D | libbpf_legacy.h | 125 struct btf;
128 LIBBPF_API struct btf *libbpf_find_kernel_btf(void);
133 LIBBPF_API const void *btf__get_raw_data(const struct btf *btf, __u32 *size);
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| /tools/testing/selftests/bpf/ |
| D | btf_helpers.h | 9 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);
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| D | btf_helpers.c | 81 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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| /tools/bpf/bpftool/ |
| D | btf_dumper.c | 27 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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| D | gen.c | 125 struct btf *btf, in codegen_datasec_def() argument
130 const char *sec_name = btf__name_by_offset(btf, sec->name_off); in codegen_datasec_def()
144 const struct btf_type *var = btf__type_by_id(btf, sec_var->type); in codegen_datasec_def()
145 const char *var_name = btf__name_by_offset(btf, var->name_off); in codegen_datasec_def()
164 align = btf__align_of(btf, var->type); in codegen_datasec_def()
212 static const struct btf_type *find_type_for_map(struct btf *btf, const char *map_ident) in find_type_for_map() argument
214 int n = btf__type_cnt(btf), i; in find_type_for_map()
218 const struct btf_type *t = btf__type_by_id(btf, i); in find_type_for_map()
224 name = btf__str_by_offset(btf, t->name_off); in find_type_for_map()
247 struct btf *btf = bpf_object__btf(obj); in codegen_datasecs() local
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| D | main.h | 85 extern struct btf *base_btf;
112 struct btf;
179 const struct btf *btf,
188 const struct btf *btf, in disasm_print_insn() argument
210 const struct btf *btf; member
225 void btf_dumper_type_only(const struct btf *btf, __u32 func_type_id,
228 void btf_dump_linfo_plain(const struct btf *btf,
231 void btf_dump_linfo_json(const struct btf *btf,
233 void btf_dump_linfo_dotlabel(const struct btf *btf,
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| D | btf.c | 90 static const char *btf_str(const struct btf *btf, __u32 off) in btf_str() argument
94 return btf__name_by_offset(btf, off) ? : "(invalid)"; in btf_str()
102 static int dump_btf_type(const struct btf *btf, __u32 id, in dump_btf_type() argument
112 jsonw_string_field(w, "name", btf_str(btf, t->name_off)); in dump_btf_type()
115 btf_str(btf, t->name_off)); in dump_btf_type()
176 const char *name = btf_str(btf, m->name_off); in dump_btf_type()
225 const char *name = btf_str(btf, v->name_off); in dump_btf_type()
263 const char *name = btf_str(btf, v->name_off); in dump_btf_type()
322 const char *name = btf_str(btf, p->name_off); in dump_btf_type()
376 if (v->type < btf__type_cnt(btf)) { in dump_btf_type()
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| D | xlated_dumper.c | 230 struct btf *btf = dd->btf; in dump_xlated_json() local
247 if (btf && record) { in dump_xlated_json()
249 btf_dumper_type_only(btf, record->type_id, in dump_xlated_json()
265 btf_dump_linfo_json(btf, linfo, linum); in dump_xlated_json()
315 struct btf *btf = dd->btf; in dump_xlated_plain() local
328 if (btf && record) { in dump_xlated_plain()
330 btf_dumper_type_only(btf, record->type_id, in dump_xlated_plain()
344 btf_dump_linfo_plain(btf, linfo, "; ", in dump_xlated_plain()
383 struct btf *btf = dd->btf; in dump_xlated_for_graph() local
397 if (btf && record) { in dump_xlated_for_graph()
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| /tools/bpf/bpftool/Documentation/ |
| D | bpftool-btf.rst | 4 bpftool-btf
17 **bpftool** [*OPTIONS*] **btf** *COMMAND*
19 *OPTIONS* := { |COMMON_OPTIONS| | { **-B** | **--base-btf** } }
26 | **bpftool** **btf** { **show** | **list** } [**id** *BTF_ID*]
27 | **bpftool** **btf dump** *BTF_SRC* [**format** *FORMAT*]
28 | **bpftool** **btf help**
37 **bpftool btf { show | list }** [**id** *BTF_ID*]
48 **bpftool btf dump** *BTF_SRC*
73 **bpftool btf help**
80 -B, --base-btf *FILE*
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| /tools/perf/util/ |
| D | bpf-event.c | 97 struct btf *btf) in perf_env__fetch_btf() argument
103 data = btf__raw_data(btf, &data_size); in perf_env__fetch_btf()
123 struct btf *btf, in synthesize_bpf_prog_name() argument
137 if (btf) { in synthesize_bpf_prog_name()
139 t = btf__type_by_id(btf, finfo->type_id); in synthesize_bpf_prog_name()
140 short_name = btf__name_by_offset(btf, t->name_off); in synthesize_bpf_prog_name()
176 struct btf *btf = NULL; in perf_event__synthesize_one_bpf_prog() local
231 btf = btf__load_from_kernel_by_id(info->btf_id); in perf_event__synthesize_one_bpf_prog()
232 if (libbpf_get_error(btf)) { in perf_event__synthesize_one_bpf_prog()
237 perf_env__fetch_btf(env, info->btf_id, btf); in perf_event__synthesize_one_bpf_prog()
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