507 lines · c
1// SPDX-License-Identifier: GPL-2.02/* Copyright (c) 2020 Facebook */3#include <test_progs.h>4#include <bpf/btf.h>5#include "btf_helpers.h"6 7static void gen_btf(struct btf *btf)8{9 const struct btf_var_secinfo *vi;10 const struct btf_type *t;11 const struct btf_member *m;12 const struct btf_enum64 *v64;13 const struct btf_enum *v;14 const struct btf_param *p;15 int id, err, str_off;16 17 str_off = btf__find_str(btf, "int");18 ASSERT_EQ(str_off, -ENOENT, "int_str_missing_off");19 20 str_off = btf__add_str(btf, "int");21 ASSERT_EQ(str_off, 1, "int_str_off");22 23 str_off = btf__find_str(btf, "int");24 ASSERT_EQ(str_off, 1, "int_str_found_off");25 26 /* BTF_KIND_INT */27 id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED);28 ASSERT_EQ(id, 1, "int_id");29 30 t = btf__type_by_id(btf, 1);31 /* should re-use previously added "int" string */32 ASSERT_EQ(t->name_off, str_off, "int_name_off");33 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "int", "int_name");34 ASSERT_EQ(btf_kind(t), BTF_KIND_INT, "int_kind");35 ASSERT_EQ(t->size, 4, "int_sz");36 ASSERT_EQ(btf_int_encoding(t), BTF_INT_SIGNED, "int_enc");37 ASSERT_EQ(btf_int_bits(t), 32, "int_bits");38 ASSERT_STREQ(btf_type_raw_dump(btf, 1),39 "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", "raw_dump");40 41 /* invalid int size */42 id = btf__add_int(btf, "bad sz int", 7, 0);43 ASSERT_ERR(id, "int_bad_sz");44 /* invalid encoding */45 id = btf__add_int(btf, "bad enc int", 4, 123);46 ASSERT_ERR(id, "int_bad_enc");47 /* NULL name */48 id = btf__add_int(btf, NULL, 4, 0);49 ASSERT_ERR(id, "int_bad_null_name");50 /* empty name */51 id = btf__add_int(btf, "", 4, 0);52 ASSERT_ERR(id, "int_bad_empty_name");53 54 /* PTR/CONST/VOLATILE/RESTRICT */55 id = btf__add_ptr(btf, 1);56 ASSERT_EQ(id, 2, "ptr_id");57 t = btf__type_by_id(btf, 2);58 ASSERT_EQ(btf_kind(t), BTF_KIND_PTR, "ptr_kind");59 ASSERT_EQ(t->type, 1, "ptr_type");60 ASSERT_STREQ(btf_type_raw_dump(btf, 2),61 "[2] PTR '(anon)' type_id=1", "raw_dump");62 63 id = btf__add_const(btf, 5); /* points forward to restrict */64 ASSERT_EQ(id, 3, "const_id");65 t = btf__type_by_id(btf, 3);66 ASSERT_EQ(btf_kind(t), BTF_KIND_CONST, "const_kind");67 ASSERT_EQ(t->type, 5, "const_type");68 ASSERT_STREQ(btf_type_raw_dump(btf, 3),69 "[3] CONST '(anon)' type_id=5", "raw_dump");70 71 id = btf__add_volatile(btf, 3);72 ASSERT_EQ(id, 4, "volatile_id");73 t = btf__type_by_id(btf, 4);74 ASSERT_EQ(btf_kind(t), BTF_KIND_VOLATILE, "volatile_kind");75 ASSERT_EQ(t->type, 3, "volatile_type");76 ASSERT_STREQ(btf_type_raw_dump(btf, 4),77 "[4] VOLATILE '(anon)' type_id=3", "raw_dump");78 79 id = btf__add_restrict(btf, 4);80 ASSERT_EQ(id, 5, "restrict_id");81 t = btf__type_by_id(btf, 5);82 ASSERT_EQ(btf_kind(t), BTF_KIND_RESTRICT, "restrict_kind");83 ASSERT_EQ(t->type, 4, "restrict_type");84 ASSERT_STREQ(btf_type_raw_dump(btf, 5),85 "[5] RESTRICT '(anon)' type_id=4", "raw_dump");86 87 /* ARRAY */88 id = btf__add_array(btf, 1, 2, 10); /* int *[10] */89 ASSERT_EQ(id, 6, "array_id");90 t = btf__type_by_id(btf, 6);91 ASSERT_EQ(btf_kind(t), BTF_KIND_ARRAY, "array_kind");92 ASSERT_EQ(btf_array(t)->index_type, 1, "array_index_type");93 ASSERT_EQ(btf_array(t)->type, 2, "array_elem_type");94 ASSERT_EQ(btf_array(t)->nelems, 10, "array_nelems");95 ASSERT_STREQ(btf_type_raw_dump(btf, 6),96 "[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10", "raw_dump");97 98 /* STRUCT */99 err = btf__add_field(btf, "field", 1, 0, 0);100 ASSERT_ERR(err, "no_struct_field");101 id = btf__add_struct(btf, "s1", 8);102 ASSERT_EQ(id, 7, "struct_id");103 err = btf__add_field(btf, "f1", 1, 0, 0);104 ASSERT_OK(err, "f1_res");105 err = btf__add_field(btf, "f2", 1, 32, 16);106 ASSERT_OK(err, "f2_res");107 108 t = btf__type_by_id(btf, 7);109 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "s1", "struct_name");110 ASSERT_EQ(btf_kind(t), BTF_KIND_STRUCT, "struct_kind");111 ASSERT_EQ(btf_vlen(t), 2, "struct_vlen");112 ASSERT_EQ(btf_kflag(t), true, "struct_kflag");113 ASSERT_EQ(t->size, 8, "struct_sz");114 m = btf_members(t) + 0;115 ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f1", "f1_name");116 ASSERT_EQ(m->type, 1, "f1_type");117 ASSERT_EQ(btf_member_bit_offset(t, 0), 0, "f1_bit_off");118 ASSERT_EQ(btf_member_bitfield_size(t, 0), 0, "f1_bit_sz");119 m = btf_members(t) + 1;120 ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f2", "f2_name");121 ASSERT_EQ(m->type, 1, "f2_type");122 ASSERT_EQ(btf_member_bit_offset(t, 1), 32, "f2_bit_off");123 ASSERT_EQ(btf_member_bitfield_size(t, 1), 16, "f2_bit_sz");124 ASSERT_STREQ(btf_type_raw_dump(btf, 7),125 "[7] STRUCT 's1' size=8 vlen=2\n"126 "\t'f1' type_id=1 bits_offset=0\n"127 "\t'f2' type_id=1 bits_offset=32 bitfield_size=16", "raw_dump");128 129 /* UNION */130 id = btf__add_union(btf, "u1", 8);131 ASSERT_EQ(id, 8, "union_id");132 133 /* invalid, non-zero offset */134 err = btf__add_field(btf, "field", 1, 1, 0);135 ASSERT_ERR(err, "no_struct_field");136 137 err = btf__add_field(btf, "f1", 1, 0, 16);138 ASSERT_OK(err, "f1_res");139 140 t = btf__type_by_id(btf, 8);141 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "u1", "union_name");142 ASSERT_EQ(btf_kind(t), BTF_KIND_UNION, "union_kind");143 ASSERT_EQ(btf_vlen(t), 1, "union_vlen");144 ASSERT_EQ(btf_kflag(t), true, "union_kflag");145 ASSERT_EQ(t->size, 8, "union_sz");146 m = btf_members(t) + 0;147 ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f1", "f1_name");148 ASSERT_EQ(m->type, 1, "f1_type");149 ASSERT_EQ(btf_member_bit_offset(t, 0), 0, "f1_bit_off");150 ASSERT_EQ(btf_member_bitfield_size(t, 0), 16, "f1_bit_sz");151 ASSERT_STREQ(btf_type_raw_dump(btf, 8),152 "[8] UNION 'u1' size=8 vlen=1\n"153 "\t'f1' type_id=1 bits_offset=0 bitfield_size=16", "raw_dump");154 155 /* ENUM */156 id = btf__add_enum(btf, "e1", 4);157 ASSERT_EQ(id, 9, "enum_id");158 err = btf__add_enum_value(btf, "v1", 1);159 ASSERT_OK(err, "v1_res");160 err = btf__add_enum_value(btf, "v2", 2);161 ASSERT_OK(err, "v2_res");162 163 t = btf__type_by_id(btf, 9);164 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum_name");165 ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM, "enum_kind");166 ASSERT_EQ(btf_vlen(t), 2, "enum_vlen");167 ASSERT_EQ(t->size, 4, "enum_sz");168 v = btf_enum(t) + 0;169 ASSERT_STREQ(btf__str_by_offset(btf, v->name_off), "v1", "v1_name");170 ASSERT_EQ(v->val, 1, "v1_val");171 v = btf_enum(t) + 1;172 ASSERT_STREQ(btf__str_by_offset(btf, v->name_off), "v2", "v2_name");173 ASSERT_EQ(v->val, 2, "v2_val");174 ASSERT_STREQ(btf_type_raw_dump(btf, 9),175 "[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"176 "\t'v1' val=1\n"177 "\t'v2' val=2", "raw_dump");178 179 /* FWDs */180 id = btf__add_fwd(btf, "struct_fwd", BTF_FWD_STRUCT);181 ASSERT_EQ(id, 10, "struct_fwd_id");182 t = btf__type_by_id(btf, 10);183 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "struct_fwd", "fwd_name");184 ASSERT_EQ(btf_kind(t), BTF_KIND_FWD, "fwd_kind");185 ASSERT_EQ(btf_kflag(t), 0, "fwd_kflag");186 ASSERT_STREQ(btf_type_raw_dump(btf, 10),187 "[10] FWD 'struct_fwd' fwd_kind=struct", "raw_dump");188 189 id = btf__add_fwd(btf, "union_fwd", BTF_FWD_UNION);190 ASSERT_EQ(id, 11, "union_fwd_id");191 t = btf__type_by_id(btf, 11);192 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "union_fwd", "fwd_name");193 ASSERT_EQ(btf_kind(t), BTF_KIND_FWD, "fwd_kind");194 ASSERT_EQ(btf_kflag(t), 1, "fwd_kflag");195 ASSERT_STREQ(btf_type_raw_dump(btf, 11),196 "[11] FWD 'union_fwd' fwd_kind=union", "raw_dump");197 198 id = btf__add_fwd(btf, "enum_fwd", BTF_FWD_ENUM);199 ASSERT_EQ(id, 12, "enum_fwd_id");200 t = btf__type_by_id(btf, 12);201 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "enum_fwd", "fwd_name");202 ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM, "enum_fwd_kind");203 ASSERT_EQ(btf_vlen(t), 0, "enum_fwd_kind");204 ASSERT_EQ(t->size, 4, "enum_fwd_sz");205 ASSERT_STREQ(btf_type_raw_dump(btf, 12),206 "[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0", "raw_dump");207 208 /* TYPEDEF */209 id = btf__add_typedef(btf, "typedef1", 1);210 ASSERT_EQ(id, 13, "typedef_fwd_id");211 t = btf__type_by_id(btf, 13);212 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "typedef1", "typedef_name");213 ASSERT_EQ(btf_kind(t), BTF_KIND_TYPEDEF, "typedef_kind");214 ASSERT_EQ(t->type, 1, "typedef_type");215 ASSERT_STREQ(btf_type_raw_dump(btf, 13),216 "[13] TYPEDEF 'typedef1' type_id=1", "raw_dump");217 218 /* FUNC & FUNC_PROTO */219 id = btf__add_func(btf, "func1", BTF_FUNC_GLOBAL, 15);220 ASSERT_EQ(id, 14, "func_id");221 t = btf__type_by_id(btf, 14);222 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "func1", "func_name");223 ASSERT_EQ(t->type, 15, "func_type");224 ASSERT_EQ(btf_kind(t), BTF_KIND_FUNC, "func_kind");225 ASSERT_EQ(btf_vlen(t), BTF_FUNC_GLOBAL, "func_vlen");226 ASSERT_STREQ(btf_type_raw_dump(btf, 14),227 "[14] FUNC 'func1' type_id=15 linkage=global", "raw_dump");228 229 id = btf__add_func_proto(btf, 1);230 ASSERT_EQ(id, 15, "func_proto_id");231 err = btf__add_func_param(btf, "p1", 1);232 ASSERT_OK(err, "p1_res");233 err = btf__add_func_param(btf, "p2", 2);234 ASSERT_OK(err, "p2_res");235 236 t = btf__type_by_id(btf, 15);237 ASSERT_EQ(btf_kind(t), BTF_KIND_FUNC_PROTO, "func_proto_kind");238 ASSERT_EQ(btf_vlen(t), 2, "func_proto_vlen");239 ASSERT_EQ(t->type, 1, "func_proto_ret_type");240 p = btf_params(t) + 0;241 ASSERT_STREQ(btf__str_by_offset(btf, p->name_off), "p1", "p1_name");242 ASSERT_EQ(p->type, 1, "p1_type");243 p = btf_params(t) + 1;244 ASSERT_STREQ(btf__str_by_offset(btf, p->name_off), "p2", "p2_name");245 ASSERT_EQ(p->type, 2, "p2_type");246 ASSERT_STREQ(btf_type_raw_dump(btf, 15),247 "[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n"248 "\t'p1' type_id=1\n"249 "\t'p2' type_id=2", "raw_dump");250 251 /* VAR */252 id = btf__add_var(btf, "var1", BTF_VAR_GLOBAL_ALLOCATED, 1);253 ASSERT_EQ(id, 16, "var_id");254 t = btf__type_by_id(btf, 16);255 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "var1", "var_name");256 ASSERT_EQ(btf_kind(t), BTF_KIND_VAR, "var_kind");257 ASSERT_EQ(t->type, 1, "var_type");258 ASSERT_EQ(btf_var(t)->linkage, BTF_VAR_GLOBAL_ALLOCATED, "var_type");259 ASSERT_STREQ(btf_type_raw_dump(btf, 16),260 "[16] VAR 'var1' type_id=1, linkage=global-alloc", "raw_dump");261 262 /* DATASECT */263 id = btf__add_datasec(btf, "datasec1", 12);264 ASSERT_EQ(id, 17, "datasec_id");265 err = btf__add_datasec_var_info(btf, 1, 4, 8);266 ASSERT_OK(err, "v1_res");267 268 t = btf__type_by_id(btf, 17);269 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "datasec1", "datasec_name");270 ASSERT_EQ(t->size, 12, "datasec_sz");271 ASSERT_EQ(btf_kind(t), BTF_KIND_DATASEC, "datasec_kind");272 ASSERT_EQ(btf_vlen(t), 1, "datasec_vlen");273 vi = btf_var_secinfos(t) + 0;274 ASSERT_EQ(vi->type, 1, "v1_type");275 ASSERT_EQ(vi->offset, 4, "v1_off");276 ASSERT_EQ(vi->size, 8, "v1_sz");277 ASSERT_STREQ(btf_type_raw_dump(btf, 17),278 "[17] DATASEC 'datasec1' size=12 vlen=1\n"279 "\ttype_id=1 offset=4 size=8", "raw_dump");280 281 /* DECL_TAG */282 id = btf__add_decl_tag(btf, "tag1", 16, -1);283 ASSERT_EQ(id, 18, "tag_id");284 t = btf__type_by_id(btf, 18);285 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag1", "tag_value");286 ASSERT_EQ(btf_kind(t), BTF_KIND_DECL_TAG, "tag_kind");287 ASSERT_EQ(t->type, 16, "tag_type");288 ASSERT_EQ(btf_decl_tag(t)->component_idx, -1, "tag_component_idx");289 ASSERT_STREQ(btf_type_raw_dump(btf, 18),290 "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1", "raw_dump");291 292 id = btf__add_decl_tag(btf, "tag2", 14, 1);293 ASSERT_EQ(id, 19, "tag_id");294 t = btf__type_by_id(btf, 19);295 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag2", "tag_value");296 ASSERT_EQ(btf_kind(t), BTF_KIND_DECL_TAG, "tag_kind");297 ASSERT_EQ(t->type, 14, "tag_type");298 ASSERT_EQ(btf_decl_tag(t)->component_idx, 1, "tag_component_idx");299 ASSERT_STREQ(btf_type_raw_dump(btf, 19),300 "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", "raw_dump");301 302 /* TYPE_TAG */303 id = btf__add_type_tag(btf, "tag1", 1);304 ASSERT_EQ(id, 20, "tag_id");305 t = btf__type_by_id(btf, 20);306 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag1", "tag_value");307 ASSERT_EQ(btf_kind(t), BTF_KIND_TYPE_TAG, "tag_kind");308 ASSERT_EQ(t->type, 1, "tag_type");309 ASSERT_STREQ(btf_type_raw_dump(btf, 20),310 "[20] TYPE_TAG 'tag1' type_id=1", "raw_dump");311 312 /* ENUM64 */313 id = btf__add_enum64(btf, "e1", 8, true);314 ASSERT_EQ(id, 21, "enum64_id");315 err = btf__add_enum64_value(btf, "v1", -1);316 ASSERT_OK(err, "v1_res");317 err = btf__add_enum64_value(btf, "v2", 0x123456789); /* 4886718345 */318 ASSERT_OK(err, "v2_res");319 t = btf__type_by_id(btf, 21);320 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum64_name");321 ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM64, "enum64_kind");322 ASSERT_EQ(btf_vlen(t), 2, "enum64_vlen");323 ASSERT_EQ(t->size, 8, "enum64_sz");324 v64 = btf_enum64(t) + 0;325 ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v1", "v1_name");326 ASSERT_EQ(v64->val_hi32, 0xffffffff, "v1_val");327 ASSERT_EQ(v64->val_lo32, 0xffffffff, "v1_val");328 v64 = btf_enum64(t) + 1;329 ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v2", "v2_name");330 ASSERT_EQ(v64->val_hi32, 0x1, "v2_val");331 ASSERT_EQ(v64->val_lo32, 0x23456789, "v2_val");332 ASSERT_STREQ(btf_type_raw_dump(btf, 21),333 "[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"334 "\t'v1' val=-1\n"335 "\t'v2' val=4886718345", "raw_dump");336 337 id = btf__add_enum64(btf, "e1", 8, false);338 ASSERT_EQ(id, 22, "enum64_id");339 err = btf__add_enum64_value(btf, "v1", 0xffffffffFFFFFFFF); /* 18446744073709551615 */340 ASSERT_OK(err, "v1_res");341 t = btf__type_by_id(btf, 22);342 ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum64_name");343 ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM64, "enum64_kind");344 ASSERT_EQ(btf_vlen(t), 1, "enum64_vlen");345 ASSERT_EQ(t->size, 8, "enum64_sz");346 v64 = btf_enum64(t) + 0;347 ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v1", "v1_name");348 ASSERT_EQ(v64->val_hi32, 0xffffffff, "v1_val");349 ASSERT_EQ(v64->val_lo32, 0xffffffff, "v1_val");350 ASSERT_STREQ(btf_type_raw_dump(btf, 22),351 "[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"352 "\t'v1' val=18446744073709551615", "raw_dump");353}354 355static void test_btf_add()356{357 struct btf *btf;358 359 btf = btf__new_empty();360 if (!ASSERT_OK_PTR(btf, "new_empty"))361 return;362 363 gen_btf(btf);364 365 VALIDATE_RAW_BTF(366 btf,367 "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",368 "[2] PTR '(anon)' type_id=1",369 "[3] CONST '(anon)' type_id=5",370 "[4] VOLATILE '(anon)' type_id=3",371 "[5] RESTRICT '(anon)' type_id=4",372 "[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10",373 "[7] STRUCT 's1' size=8 vlen=2\n"374 "\t'f1' type_id=1 bits_offset=0\n"375 "\t'f2' type_id=1 bits_offset=32 bitfield_size=16",376 "[8] UNION 'u1' size=8 vlen=1\n"377 "\t'f1' type_id=1 bits_offset=0 bitfield_size=16",378 "[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"379 "\t'v1' val=1\n"380 "\t'v2' val=2",381 "[10] FWD 'struct_fwd' fwd_kind=struct",382 "[11] FWD 'union_fwd' fwd_kind=union",383 "[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0",384 "[13] TYPEDEF 'typedef1' type_id=1",385 "[14] FUNC 'func1' type_id=15 linkage=global",386 "[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n"387 "\t'p1' type_id=1\n"388 "\t'p2' type_id=2",389 "[16] VAR 'var1' type_id=1, linkage=global-alloc",390 "[17] DATASEC 'datasec1' size=12 vlen=1\n"391 "\ttype_id=1 offset=4 size=8",392 "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1",393 "[19] DECL_TAG 'tag2' type_id=14 component_idx=1",394 "[20] TYPE_TAG 'tag1' type_id=1",395 "[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"396 "\t'v1' val=-1\n"397 "\t'v2' val=4886718345",398 "[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"399 "\t'v1' val=18446744073709551615");400 401 btf__free(btf);402}403 404static void test_btf_add_btf()405{406 struct btf *btf1 = NULL, *btf2 = NULL;407 int id;408 409 btf1 = btf__new_empty();410 if (!ASSERT_OK_PTR(btf1, "btf1"))411 return;412 413 btf2 = btf__new_empty();414 if (!ASSERT_OK_PTR(btf2, "btf2"))415 goto cleanup;416 417 gen_btf(btf1);418 gen_btf(btf2);419 420 id = btf__add_btf(btf1, btf2);421 if (!ASSERT_EQ(id, 23, "id"))422 goto cleanup;423 424 VALIDATE_RAW_BTF(425 btf1,426 "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",427 "[2] PTR '(anon)' type_id=1",428 "[3] CONST '(anon)' type_id=5",429 "[4] VOLATILE '(anon)' type_id=3",430 "[5] RESTRICT '(anon)' type_id=4",431 "[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10",432 "[7] STRUCT 's1' size=8 vlen=2\n"433 "\t'f1' type_id=1 bits_offset=0\n"434 "\t'f2' type_id=1 bits_offset=32 bitfield_size=16",435 "[8] UNION 'u1' size=8 vlen=1\n"436 "\t'f1' type_id=1 bits_offset=0 bitfield_size=16",437 "[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"438 "\t'v1' val=1\n"439 "\t'v2' val=2",440 "[10] FWD 'struct_fwd' fwd_kind=struct",441 "[11] FWD 'union_fwd' fwd_kind=union",442 "[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0",443 "[13] TYPEDEF 'typedef1' type_id=1",444 "[14] FUNC 'func1' type_id=15 linkage=global",445 "[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n"446 "\t'p1' type_id=1\n"447 "\t'p2' type_id=2",448 "[16] VAR 'var1' type_id=1, linkage=global-alloc",449 "[17] DATASEC 'datasec1' size=12 vlen=1\n"450 "\ttype_id=1 offset=4 size=8",451 "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1",452 "[19] DECL_TAG 'tag2' type_id=14 component_idx=1",453 "[20] TYPE_TAG 'tag1' type_id=1",454 "[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"455 "\t'v1' val=-1\n"456 "\t'v2' val=4886718345",457 "[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"458 "\t'v1' val=18446744073709551615",459 460 /* types appended from the second BTF */461 "[23] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED",462 "[24] PTR '(anon)' type_id=23",463 "[25] CONST '(anon)' type_id=27",464 "[26] VOLATILE '(anon)' type_id=25",465 "[27] RESTRICT '(anon)' type_id=26",466 "[28] ARRAY '(anon)' type_id=24 index_type_id=23 nr_elems=10",467 "[29] STRUCT 's1' size=8 vlen=2\n"468 "\t'f1' type_id=23 bits_offset=0\n"469 "\t'f2' type_id=23 bits_offset=32 bitfield_size=16",470 "[30] UNION 'u1' size=8 vlen=1\n"471 "\t'f1' type_id=23 bits_offset=0 bitfield_size=16",472 "[31] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n"473 "\t'v1' val=1\n"474 "\t'v2' val=2",475 "[32] FWD 'struct_fwd' fwd_kind=struct",476 "[33] FWD 'union_fwd' fwd_kind=union",477 "[34] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0",478 "[35] TYPEDEF 'typedef1' type_id=23",479 "[36] FUNC 'func1' type_id=37 linkage=global",480 "[37] FUNC_PROTO '(anon)' ret_type_id=23 vlen=2\n"481 "\t'p1' type_id=23\n"482 "\t'p2' type_id=24",483 "[38] VAR 'var1' type_id=23, linkage=global-alloc",484 "[39] DATASEC 'datasec1' size=12 vlen=1\n"485 "\ttype_id=23 offset=4 size=8",486 "[40] DECL_TAG 'tag1' type_id=38 component_idx=-1",487 "[41] DECL_TAG 'tag2' type_id=36 component_idx=1",488 "[42] TYPE_TAG 'tag1' type_id=23",489 "[43] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n"490 "\t'v1' val=-1\n"491 "\t'v2' val=4886718345",492 "[44] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n"493 "\t'v1' val=18446744073709551615");494 495cleanup:496 btf__free(btf1);497 btf__free(btf2);498}499 500void test_btf_write()501{502 if (test__start_subtest("btf_add"))503 test_btf_add();504 if (test__start_subtest("btf_add_btf"))505 test_btf_add_btf();506}507