// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2020 Facebook */ #include #include #include "btf_helpers.h" static void gen_btf(struct btf *btf) { const struct btf_var_secinfo *vi; const struct btf_type *t; const struct btf_member *m; const struct btf_enum64 *v64; const struct btf_enum *v; const struct btf_param *p; int id, err, str_off; str_off = btf__find_str(btf, "int"); ASSERT_EQ(str_off, -ENOENT, "int_str_missing_off"); str_off = btf__add_str(btf, "int"); ASSERT_EQ(str_off, 1, "int_str_off"); str_off = btf__find_str(btf, "int"); ASSERT_EQ(str_off, 1, "int_str_found_off"); /* BTF_KIND_INT */ id = btf__add_int(btf, "int", 4, BTF_INT_SIGNED); ASSERT_EQ(id, 1, "int_id"); t = btf__type_by_id(btf, 1); /* should re-use previously added "int" string */ ASSERT_EQ(t->name_off, str_off, "int_name_off"); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "int", "int_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_INT, "int_kind"); ASSERT_EQ(t->size, 4, "int_sz"); ASSERT_EQ(btf_int_encoding(t), BTF_INT_SIGNED, "int_enc"); ASSERT_EQ(btf_int_bits(t), 32, "int_bits"); ASSERT_STREQ(btf_type_raw_dump(btf, 1), "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", "raw_dump"); /* invalid int size */ id = btf__add_int(btf, "bad sz int", 7, 0); ASSERT_ERR(id, "int_bad_sz"); /* invalid encoding */ id = btf__add_int(btf, "bad enc int", 4, 123); ASSERT_ERR(id, "int_bad_enc"); /* NULL name */ id = btf__add_int(btf, NULL, 4, 0); ASSERT_ERR(id, "int_bad_null_name"); /* empty name */ id = btf__add_int(btf, "", 4, 0); ASSERT_ERR(id, "int_bad_empty_name"); /* PTR/CONST/VOLATILE/RESTRICT */ id = btf__add_ptr(btf, 1); ASSERT_EQ(id, 2, "ptr_id"); t = btf__type_by_id(btf, 2); ASSERT_EQ(btf_kind(t), BTF_KIND_PTR, "ptr_kind"); ASSERT_EQ(t->type, 1, "ptr_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 2), "[2] PTR '(anon)' type_id=1", "raw_dump"); id = btf__add_const(btf, 5); /* points forward to restrict */ ASSERT_EQ(id, 3, "const_id"); t = btf__type_by_id(btf, 3); ASSERT_EQ(btf_kind(t), BTF_KIND_CONST, "const_kind"); ASSERT_EQ(t->type, 5, "const_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 3), "[3] CONST '(anon)' type_id=5", "raw_dump"); id = btf__add_volatile(btf, 3); ASSERT_EQ(id, 4, "volatile_id"); t = btf__type_by_id(btf, 4); ASSERT_EQ(btf_kind(t), BTF_KIND_VOLATILE, "volatile_kind"); ASSERT_EQ(t->type, 3, "volatile_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 4), "[4] VOLATILE '(anon)' type_id=3", "raw_dump"); id = btf__add_restrict(btf, 4); ASSERT_EQ(id, 5, "restrict_id"); t = btf__type_by_id(btf, 5); ASSERT_EQ(btf_kind(t), BTF_KIND_RESTRICT, "restrict_kind"); ASSERT_EQ(t->type, 4, "restrict_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 5), "[5] RESTRICT '(anon)' type_id=4", "raw_dump"); /* ARRAY */ id = btf__add_array(btf, 1, 2, 10); /* int *[10] */ ASSERT_EQ(id, 6, "array_id"); t = btf__type_by_id(btf, 6); ASSERT_EQ(btf_kind(t), BTF_KIND_ARRAY, "array_kind"); ASSERT_EQ(btf_array(t)->index_type, 1, "array_index_type"); ASSERT_EQ(btf_array(t)->type, 2, "array_elem_type"); ASSERT_EQ(btf_array(t)->nelems, 10, "array_nelems"); ASSERT_STREQ(btf_type_raw_dump(btf, 6), "[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10", "raw_dump"); /* STRUCT */ err = btf__add_field(btf, "field", 1, 0, 0); ASSERT_ERR(err, "no_struct_field"); id = btf__add_struct(btf, "s1", 8); ASSERT_EQ(id, 7, "struct_id"); err = btf__add_field(btf, "f1", 1, 0, 0); ASSERT_OK(err, "f1_res"); err = btf__add_field(btf, "f2", 1, 32, 16); ASSERT_OK(err, "f2_res"); t = btf__type_by_id(btf, 7); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "s1", "struct_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_STRUCT, "struct_kind"); ASSERT_EQ(btf_vlen(t), 2, "struct_vlen"); ASSERT_EQ(btf_kflag(t), true, "struct_kflag"); ASSERT_EQ(t->size, 8, "struct_sz"); m = btf_members(t) + 0; ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f1", "f1_name"); ASSERT_EQ(m->type, 1, "f1_type"); ASSERT_EQ(btf_member_bit_offset(t, 0), 0, "f1_bit_off"); ASSERT_EQ(btf_member_bitfield_size(t, 0), 0, "f1_bit_sz"); m = btf_members(t) + 1; ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f2", "f2_name"); ASSERT_EQ(m->type, 1, "f2_type"); ASSERT_EQ(btf_member_bit_offset(t, 1), 32, "f2_bit_off"); ASSERT_EQ(btf_member_bitfield_size(t, 1), 16, "f2_bit_sz"); ASSERT_STREQ(btf_type_raw_dump(btf, 7), "[7] STRUCT 's1' size=8 vlen=2\n" "\t'f1' type_id=1 bits_offset=0\n" "\t'f2' type_id=1 bits_offset=32 bitfield_size=16", "raw_dump"); /* UNION */ id = btf__add_union(btf, "u1", 8); ASSERT_EQ(id, 8, "union_id"); /* invalid, non-zero offset */ err = btf__add_field(btf, "field", 1, 1, 0); ASSERT_ERR(err, "no_struct_field"); err = btf__add_field(btf, "f1", 1, 0, 16); ASSERT_OK(err, "f1_res"); t = btf__type_by_id(btf, 8); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "u1", "union_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_UNION, "union_kind"); ASSERT_EQ(btf_vlen(t), 1, "union_vlen"); ASSERT_EQ(btf_kflag(t), true, "union_kflag"); ASSERT_EQ(t->size, 8, "union_sz"); m = btf_members(t) + 0; ASSERT_STREQ(btf__str_by_offset(btf, m->name_off), "f1", "f1_name"); ASSERT_EQ(m->type, 1, "f1_type"); ASSERT_EQ(btf_member_bit_offset(t, 0), 0, "f1_bit_off"); ASSERT_EQ(btf_member_bitfield_size(t, 0), 16, "f1_bit_sz"); ASSERT_STREQ(btf_type_raw_dump(btf, 8), "[8] UNION 'u1' size=8 vlen=1\n" "\t'f1' type_id=1 bits_offset=0 bitfield_size=16", "raw_dump"); /* ENUM */ id = btf__add_enum(btf, "e1", 4); ASSERT_EQ(id, 9, "enum_id"); err = btf__add_enum_value(btf, "v1", 1); ASSERT_OK(err, "v1_res"); err = btf__add_enum_value(btf, "v2", 2); ASSERT_OK(err, "v2_res"); t = btf__type_by_id(btf, 9); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM, "enum_kind"); ASSERT_EQ(btf_vlen(t), 2, "enum_vlen"); ASSERT_EQ(t->size, 4, "enum_sz"); v = btf_enum(t) + 0; ASSERT_STREQ(btf__str_by_offset(btf, v->name_off), "v1", "v1_name"); ASSERT_EQ(v->val, 1, "v1_val"); v = btf_enum(t) + 1; ASSERT_STREQ(btf__str_by_offset(btf, v->name_off), "v2", "v2_name"); ASSERT_EQ(v->val, 2, "v2_val"); ASSERT_STREQ(btf_type_raw_dump(btf, 9), "[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n" "\t'v1' val=1\n" "\t'v2' val=2", "raw_dump"); /* FWDs */ id = btf__add_fwd(btf, "struct_fwd", BTF_FWD_STRUCT); ASSERT_EQ(id, 10, "struct_fwd_id"); t = btf__type_by_id(btf, 10); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "struct_fwd", "fwd_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_FWD, "fwd_kind"); ASSERT_EQ(btf_kflag(t), 0, "fwd_kflag"); ASSERT_STREQ(btf_type_raw_dump(btf, 10), "[10] FWD 'struct_fwd' fwd_kind=struct", "raw_dump"); id = btf__add_fwd(btf, "union_fwd", BTF_FWD_UNION); ASSERT_EQ(id, 11, "union_fwd_id"); t = btf__type_by_id(btf, 11); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "union_fwd", "fwd_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_FWD, "fwd_kind"); ASSERT_EQ(btf_kflag(t), 1, "fwd_kflag"); ASSERT_STREQ(btf_type_raw_dump(btf, 11), "[11] FWD 'union_fwd' fwd_kind=union", "raw_dump"); id = btf__add_fwd(btf, "enum_fwd", BTF_FWD_ENUM); ASSERT_EQ(id, 12, "enum_fwd_id"); t = btf__type_by_id(btf, 12); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "enum_fwd", "fwd_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM, "enum_fwd_kind"); ASSERT_EQ(btf_vlen(t), 0, "enum_fwd_kind"); ASSERT_EQ(t->size, 4, "enum_fwd_sz"); ASSERT_STREQ(btf_type_raw_dump(btf, 12), "[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0", "raw_dump"); /* TYPEDEF */ id = btf__add_typedef(btf, "typedef1", 1); ASSERT_EQ(id, 13, "typedef_fwd_id"); t = btf__type_by_id(btf, 13); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "typedef1", "typedef_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_TYPEDEF, "typedef_kind"); ASSERT_EQ(t->type, 1, "typedef_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 13), "[13] TYPEDEF 'typedef1' type_id=1", "raw_dump"); /* FUNC & FUNC_PROTO */ id = btf__add_func(btf, "func1", BTF_FUNC_GLOBAL, 15); ASSERT_EQ(id, 14, "func_id"); t = btf__type_by_id(btf, 14); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "func1", "func_name"); ASSERT_EQ(t->type, 15, "func_type"); ASSERT_EQ(btf_kind(t), BTF_KIND_FUNC, "func_kind"); ASSERT_EQ(btf_vlen(t), BTF_FUNC_GLOBAL, "func_vlen"); ASSERT_STREQ(btf_type_raw_dump(btf, 14), "[14] FUNC 'func1' type_id=15 linkage=global", "raw_dump"); id = btf__add_func_proto(btf, 1); ASSERT_EQ(id, 15, "func_proto_id"); err = btf__add_func_param(btf, "p1", 1); ASSERT_OK(err, "p1_res"); err = btf__add_func_param(btf, "p2", 2); ASSERT_OK(err, "p2_res"); t = btf__type_by_id(btf, 15); ASSERT_EQ(btf_kind(t), BTF_KIND_FUNC_PROTO, "func_proto_kind"); ASSERT_EQ(btf_vlen(t), 2, "func_proto_vlen"); ASSERT_EQ(t->type, 1, "func_proto_ret_type"); p = btf_params(t) + 0; ASSERT_STREQ(btf__str_by_offset(btf, p->name_off), "p1", "p1_name"); ASSERT_EQ(p->type, 1, "p1_type"); p = btf_params(t) + 1; ASSERT_STREQ(btf__str_by_offset(btf, p->name_off), "p2", "p2_name"); ASSERT_EQ(p->type, 2, "p2_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 15), "[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n" "\t'p1' type_id=1\n" "\t'p2' type_id=2", "raw_dump"); /* VAR */ id = btf__add_var(btf, "var1", BTF_VAR_GLOBAL_ALLOCATED, 1); ASSERT_EQ(id, 16, "var_id"); t = btf__type_by_id(btf, 16); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "var1", "var_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_VAR, "var_kind"); ASSERT_EQ(t->type, 1, "var_type"); ASSERT_EQ(btf_var(t)->linkage, BTF_VAR_GLOBAL_ALLOCATED, "var_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 16), "[16] VAR 'var1' type_id=1, linkage=global-alloc", "raw_dump"); /* DATASECT */ id = btf__add_datasec(btf, "datasec1", 12); ASSERT_EQ(id, 17, "datasec_id"); err = btf__add_datasec_var_info(btf, 1, 4, 8); ASSERT_OK(err, "v1_res"); t = btf__type_by_id(btf, 17); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "datasec1", "datasec_name"); ASSERT_EQ(t->size, 12, "datasec_sz"); ASSERT_EQ(btf_kind(t), BTF_KIND_DATASEC, "datasec_kind"); ASSERT_EQ(btf_vlen(t), 1, "datasec_vlen"); vi = btf_var_secinfos(t) + 0; ASSERT_EQ(vi->type, 1, "v1_type"); ASSERT_EQ(vi->offset, 4, "v1_off"); ASSERT_EQ(vi->size, 8, "v1_sz"); ASSERT_STREQ(btf_type_raw_dump(btf, 17), "[17] DATASEC 'datasec1' size=12 vlen=1\n" "\ttype_id=1 offset=4 size=8", "raw_dump"); /* DECL_TAG */ id = btf__add_decl_tag(btf, "tag1", 16, -1); ASSERT_EQ(id, 18, "tag_id"); t = btf__type_by_id(btf, 18); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag1", "tag_value"); ASSERT_EQ(btf_kind(t), BTF_KIND_DECL_TAG, "tag_kind"); ASSERT_EQ(t->type, 16, "tag_type"); ASSERT_EQ(btf_decl_tag(t)->component_idx, -1, "tag_component_idx"); ASSERT_STREQ(btf_type_raw_dump(btf, 18), "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1", "raw_dump"); id = btf__add_decl_tag(btf, "tag2", 14, 1); ASSERT_EQ(id, 19, "tag_id"); t = btf__type_by_id(btf, 19); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag2", "tag_value"); ASSERT_EQ(btf_kind(t), BTF_KIND_DECL_TAG, "tag_kind"); ASSERT_EQ(t->type, 14, "tag_type"); ASSERT_EQ(btf_decl_tag(t)->component_idx, 1, "tag_component_idx"); ASSERT_STREQ(btf_type_raw_dump(btf, 19), "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", "raw_dump"); /* TYPE_TAG */ id = btf__add_type_tag(btf, "tag1", 1); ASSERT_EQ(id, 20, "tag_id"); t = btf__type_by_id(btf, 20); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "tag1", "tag_value"); ASSERT_EQ(btf_kind(t), BTF_KIND_TYPE_TAG, "tag_kind"); ASSERT_EQ(t->type, 1, "tag_type"); ASSERT_STREQ(btf_type_raw_dump(btf, 20), "[20] TYPE_TAG 'tag1' type_id=1", "raw_dump"); /* ENUM64 */ id = btf__add_enum64(btf, "e1", 8, true); ASSERT_EQ(id, 21, "enum64_id"); err = btf__add_enum64_value(btf, "v1", -1); ASSERT_OK(err, "v1_res"); err = btf__add_enum64_value(btf, "v2", 0x123456789); /* 4886718345 */ ASSERT_OK(err, "v2_res"); t = btf__type_by_id(btf, 21); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum64_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM64, "enum64_kind"); ASSERT_EQ(btf_vlen(t), 2, "enum64_vlen"); ASSERT_EQ(t->size, 8, "enum64_sz"); v64 = btf_enum64(t) + 0; ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v1", "v1_name"); ASSERT_EQ(v64->val_hi32, 0xffffffff, "v1_val"); ASSERT_EQ(v64->val_lo32, 0xffffffff, "v1_val"); v64 = btf_enum64(t) + 1; ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v2", "v2_name"); ASSERT_EQ(v64->val_hi32, 0x1, "v2_val"); ASSERT_EQ(v64->val_lo32, 0x23456789, "v2_val"); ASSERT_STREQ(btf_type_raw_dump(btf, 21), "[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n" "\t'v1' val=-1\n" "\t'v2' val=4886718345", "raw_dump"); id = btf__add_enum64(btf, "e1", 8, false); ASSERT_EQ(id, 22, "enum64_id"); err = btf__add_enum64_value(btf, "v1", 0xffffffffFFFFFFFF); /* 18446744073709551615 */ ASSERT_OK(err, "v1_res"); t = btf__type_by_id(btf, 22); ASSERT_STREQ(btf__str_by_offset(btf, t->name_off), "e1", "enum64_name"); ASSERT_EQ(btf_kind(t), BTF_KIND_ENUM64, "enum64_kind"); ASSERT_EQ(btf_vlen(t), 1, "enum64_vlen"); ASSERT_EQ(t->size, 8, "enum64_sz"); v64 = btf_enum64(t) + 0; ASSERT_STREQ(btf__str_by_offset(btf, v64->name_off), "v1", "v1_name"); ASSERT_EQ(v64->val_hi32, 0xffffffff, "v1_val"); ASSERT_EQ(v64->val_lo32, 0xffffffff, "v1_val"); ASSERT_STREQ(btf_type_raw_dump(btf, 22), "[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n" "\t'v1' val=18446744073709551615", "raw_dump"); } static void test_btf_add() { struct btf *btf; btf = btf__new_empty(); if (!ASSERT_OK_PTR(btf, "new_empty")) return; gen_btf(btf); VALIDATE_RAW_BTF( btf, "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", "[2] PTR '(anon)' type_id=1", "[3] CONST '(anon)' type_id=5", "[4] VOLATILE '(anon)' type_id=3", "[5] RESTRICT '(anon)' type_id=4", "[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10", "[7] STRUCT 's1' size=8 vlen=2\n" "\t'f1' type_id=1 bits_offset=0\n" "\t'f2' type_id=1 bits_offset=32 bitfield_size=16", "[8] UNION 'u1' size=8 vlen=1\n" "\t'f1' type_id=1 bits_offset=0 bitfield_size=16", "[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n" "\t'v1' val=1\n" "\t'v2' val=2", "[10] FWD 'struct_fwd' fwd_kind=struct", "[11] FWD 'union_fwd' fwd_kind=union", "[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0", "[13] TYPEDEF 'typedef1' type_id=1", "[14] FUNC 'func1' type_id=15 linkage=global", "[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n" "\t'p1' type_id=1\n" "\t'p2' type_id=2", "[16] VAR 'var1' type_id=1, linkage=global-alloc", "[17] DATASEC 'datasec1' size=12 vlen=1\n" "\ttype_id=1 offset=4 size=8", "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1", "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", "[20] TYPE_TAG 'tag1' type_id=1", "[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n" "\t'v1' val=-1\n" "\t'v2' val=4886718345", "[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n" "\t'v1' val=18446744073709551615"); btf__free(btf); } static void test_btf_add_btf() { struct btf *btf1 = NULL, *btf2 = NULL; int id; btf1 = btf__new_empty(); if (!ASSERT_OK_PTR(btf1, "btf1")) return; btf2 = btf__new_empty(); if (!ASSERT_OK_PTR(btf2, "btf2")) goto cleanup; gen_btf(btf1); gen_btf(btf2); id = btf__add_btf(btf1, btf2); if (!ASSERT_EQ(id, 23, "id")) goto cleanup; VALIDATE_RAW_BTF( btf1, "[1] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", "[2] PTR '(anon)' type_id=1", "[3] CONST '(anon)' type_id=5", "[4] VOLATILE '(anon)' type_id=3", "[5] RESTRICT '(anon)' type_id=4", "[6] ARRAY '(anon)' type_id=2 index_type_id=1 nr_elems=10", "[7] STRUCT 's1' size=8 vlen=2\n" "\t'f1' type_id=1 bits_offset=0\n" "\t'f2' type_id=1 bits_offset=32 bitfield_size=16", "[8] UNION 'u1' size=8 vlen=1\n" "\t'f1' type_id=1 bits_offset=0 bitfield_size=16", "[9] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n" "\t'v1' val=1\n" "\t'v2' val=2", "[10] FWD 'struct_fwd' fwd_kind=struct", "[11] FWD 'union_fwd' fwd_kind=union", "[12] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0", "[13] TYPEDEF 'typedef1' type_id=1", "[14] FUNC 'func1' type_id=15 linkage=global", "[15] FUNC_PROTO '(anon)' ret_type_id=1 vlen=2\n" "\t'p1' type_id=1\n" "\t'p2' type_id=2", "[16] VAR 'var1' type_id=1, linkage=global-alloc", "[17] DATASEC 'datasec1' size=12 vlen=1\n" "\ttype_id=1 offset=4 size=8", "[18] DECL_TAG 'tag1' type_id=16 component_idx=-1", "[19] DECL_TAG 'tag2' type_id=14 component_idx=1", "[20] TYPE_TAG 'tag1' type_id=1", "[21] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n" "\t'v1' val=-1\n" "\t'v2' val=4886718345", "[22] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n" "\t'v1' val=18446744073709551615", /* types appended from the second BTF */ "[23] INT 'int' size=4 bits_offset=0 nr_bits=32 encoding=SIGNED", "[24] PTR '(anon)' type_id=23", "[25] CONST '(anon)' type_id=27", "[26] VOLATILE '(anon)' type_id=25", "[27] RESTRICT '(anon)' type_id=26", "[28] ARRAY '(anon)' type_id=24 index_type_id=23 nr_elems=10", "[29] STRUCT 's1' size=8 vlen=2\n" "\t'f1' type_id=23 bits_offset=0\n" "\t'f2' type_id=23 bits_offset=32 bitfield_size=16", "[30] UNION 'u1' size=8 vlen=1\n" "\t'f1' type_id=23 bits_offset=0 bitfield_size=16", "[31] ENUM 'e1' encoding=UNSIGNED size=4 vlen=2\n" "\t'v1' val=1\n" "\t'v2' val=2", "[32] FWD 'struct_fwd' fwd_kind=struct", "[33] FWD 'union_fwd' fwd_kind=union", "[34] ENUM 'enum_fwd' encoding=UNSIGNED size=4 vlen=0", "[35] TYPEDEF 'typedef1' type_id=23", "[36] FUNC 'func1' type_id=37 linkage=global", "[37] FUNC_PROTO '(anon)' ret_type_id=23 vlen=2\n" "\t'p1' type_id=23\n" "\t'p2' type_id=24", "[38] VAR 'var1' type_id=23, linkage=global-alloc", "[39] DATASEC 'datasec1' size=12 vlen=1\n" "\ttype_id=23 offset=4 size=8", "[40] DECL_TAG 'tag1' type_id=38 component_idx=-1", "[41] DECL_TAG 'tag2' type_id=36 component_idx=1", "[42] TYPE_TAG 'tag1' type_id=23", "[43] ENUM64 'e1' encoding=SIGNED size=8 vlen=2\n" "\t'v1' val=-1\n" "\t'v2' val=4886718345", "[44] ENUM64 'e1' encoding=UNSIGNED size=8 vlen=1\n" "\t'v1' val=18446744073709551615"); cleanup: btf__free(btf1); btf__free(btf2); } void test_btf_write() { if (test__start_subtest("btf_add")) test_btf_add(); if (test__start_subtest("btf_add_btf")) test_btf_add_btf(); }