| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Copyright (c) 2018 Facebook */ |
| |
| #include <linux/bpf.h> |
| #include <linux/btf.h> |
| #include <linux/err.h> |
| #include <linux/kernel.h> |
| #include <bpf/bpf.h> |
| #include <sys/resource.h> |
| #include <libelf.h> |
| #include <gelf.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <bpf/libbpf.h> |
| #include <bpf/btf.h> |
| |
| #include "bpf_rlimit.h" |
| #include "bpf_util.h" |
| |
| static uint32_t pass_cnt; |
| static uint32_t error_cnt; |
| static uint32_t skip_cnt; |
| |
| #define CHECK(condition, format...) ({ \ |
| int __ret = !!(condition); \ |
| if (__ret) { \ |
| fprintf(stderr, "%s:%d:FAIL ", __func__, __LINE__); \ |
| fprintf(stderr, format); \ |
| } \ |
| __ret; \ |
| }) |
| |
| static int count_result(int err) |
| { |
| if (err) |
| error_cnt++; |
| else |
| pass_cnt++; |
| |
| fprintf(stderr, "\n"); |
| return err; |
| } |
| |
| #define __printf(a, b) __attribute__((format(printf, a, b))) |
| |
| __printf(1, 2) |
| static int __base_pr(const char *format, ...) |
| { |
| va_list args; |
| int err; |
| |
| va_start(args, format); |
| err = vfprintf(stderr, format, args); |
| va_end(args); |
| return err; |
| } |
| |
| #define BTF_INFO_ENC(kind, root, vlen) \ |
| ((!!(root) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN)) |
| |
| #define BTF_TYPE_ENC(name, info, size_or_type) \ |
| (name), (info), (size_or_type) |
| |
| #define BTF_INT_ENC(encoding, bits_offset, nr_bits) \ |
| ((encoding) << 24 | (bits_offset) << 16 | (nr_bits)) |
| #define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \ |
| BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \ |
| BTF_INT_ENC(encoding, bits_offset, bits) |
| |
| #define BTF_ARRAY_ENC(type, index_type, nr_elems) \ |
| (type), (index_type), (nr_elems) |
| #define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \ |
| BTF_ARRAY_ENC(type, index_type, nr_elems) |
| |
| #define BTF_MEMBER_ENC(name, type, bits_offset) \ |
| (name), (type), (bits_offset) |
| #define BTF_ENUM_ENC(name, val) (name), (val) |
| |
| #define BTF_TYPEDEF_ENC(name, type) \ |
| BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type) |
| |
| #define BTF_PTR_ENC(name, type) \ |
| BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type) |
| |
| #define BTF_END_RAW 0xdeadbeef |
| #define NAME_TBD 0xdeadb33f |
| |
| #define MAX_NR_RAW_TYPES 1024 |
| #define BTF_LOG_BUF_SIZE 65535 |
| |
| static struct args { |
| unsigned int raw_test_num; |
| unsigned int file_test_num; |
| unsigned int get_info_test_num; |
| bool raw_test; |
| bool file_test; |
| bool get_info_test; |
| bool pprint_test; |
| bool always_log; |
| } args; |
| |
| static char btf_log_buf[BTF_LOG_BUF_SIZE]; |
| |
| static struct btf_header hdr_tmpl = { |
| .magic = BTF_MAGIC, |
| .version = BTF_VERSION, |
| .hdr_len = sizeof(struct btf_header), |
| }; |
| |
| struct btf_raw_test { |
| const char *descr; |
| const char *str_sec; |
| const char *map_name; |
| const char *err_str; |
| __u32 raw_types[MAX_NR_RAW_TYPES]; |
| __u32 str_sec_size; |
| enum bpf_map_type map_type; |
| __u32 key_size; |
| __u32 value_size; |
| __u32 key_type_id; |
| __u32 value_type_id; |
| __u32 max_entries; |
| bool btf_load_err; |
| bool map_create_err; |
| bool ordered_map; |
| bool lossless_map; |
| bool percpu_map; |
| int hdr_len_delta; |
| int type_off_delta; |
| int str_off_delta; |
| int str_len_delta; |
| }; |
| |
| static struct btf_raw_test raw_tests[] = { |
| /* enum E { |
| * E0, |
| * E1, |
| * }; |
| * |
| * struct A { |
| * unsigned long long m; |
| * int n; |
| * char o; |
| * [3 bytes hole] |
| * int p[8]; |
| * int q[4][8]; |
| * enum E r; |
| * }; |
| */ |
| { |
| .descr = "struct test #1", |
| .raw_types = { |
| /* int */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ |
| /* unsigned long long */ |
| BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ |
| /* char */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ |
| /* int[8] */ |
| BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ |
| /* struct A { */ /* [5] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 6), 180), |
| BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ |
| BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ |
| BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ |
| BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ |
| BTF_MEMBER_ENC(NAME_TBD, 6, 384),/* int q[4][8] */ |
| BTF_MEMBER_ENC(NAME_TBD, 7, 1408), /* enum E r */ |
| /* } */ |
| /* int[4][8] */ |
| BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [6] */ |
| /* enum E */ /* [7] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), |
| BTF_ENUM_ENC(NAME_TBD, 0), |
| BTF_ENUM_ENC(NAME_TBD, 1), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1", |
| .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "struct_test1_map", |
| .key_size = sizeof(int), |
| .value_size = 180, |
| .key_type_id = 1, |
| .value_type_id = 5, |
| .max_entries = 4, |
| }, |
| |
| /* typedef struct b Struct_B; |
| * |
| * struct A { |
| * int m; |
| * struct b n[4]; |
| * const Struct_B o[4]; |
| * }; |
| * |
| * struct B { |
| * int m; |
| * int n; |
| * }; |
| */ |
| { |
| .descr = "struct test #2", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* struct b [4] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(4, 1, 4), |
| |
| /* struct A { */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 3), 68), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct B n[4] */ |
| BTF_MEMBER_ENC(NAME_TBD, 8, 288),/* const Struct_B o[4];*/ |
| /* } */ |
| |
| /* struct B { */ /* [4] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ |
| /* } */ |
| |
| /* const int */ /* [5] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), |
| /* typedef struct b Struct_B */ /* [6] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 4), |
| /* const Struct_B */ /* [7] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 6), |
| /* const Struct_B [4] */ /* [8] */ |
| BTF_TYPE_ARRAY_ENC(7, 1, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m\0n\0o\0B\0m\0n\0Struct_B", |
| .str_sec_size = sizeof("\0A\0m\0n\0o\0B\0m\0n\0Struct_B"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "struct_test2_map", |
| .key_size = sizeof(int), |
| .value_size = 68, |
| .key_type_id = 1, |
| .value_type_id = 3, |
| .max_entries = 4, |
| }, |
| |
| { |
| .descr = "struct test #3 Invalid member offset", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int64 */ /* [2] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), |
| |
| /* struct A { */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 16), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 64), /* int m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* int64 n; */ |
| /* } */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m\0n\0", |
| .str_sec_size = sizeof("\0A\0m\0n\0"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "struct_test3_map", |
| .key_size = sizeof(int), |
| .value_size = 16, |
| .key_type_id = 1, |
| .value_type_id = 3, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid member bits_offset", |
| }, |
| |
| /* Test member exceeds the size of struct. |
| * |
| * struct A { |
| * int m; |
| * int n; |
| * }; |
| */ |
| { |
| .descr = "size check test #1", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* struct A { */ /* [2] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ |
| /* } */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m\0n", |
| .str_sec_size = sizeof("\0A\0m\0n"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "size_check1_map", |
| .key_size = sizeof(int), |
| .value_size = 1, |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Member exceeds struct_size", |
| }, |
| |
| /* Test member exeeds the size of struct |
| * |
| * struct A { |
| * int m; |
| * int n[2]; |
| * }; |
| */ |
| { |
| .descr = "size check test #2", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), |
| /* int[2] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(1, 1, 2), |
| /* struct A { */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 3 - 1), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* int n[2]; */ |
| /* } */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m\0n", |
| .str_sec_size = sizeof("\0A\0m\0n"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "size_check2_map", |
| .key_size = sizeof(int), |
| .value_size = 1, |
| .key_type_id = 1, |
| .value_type_id = 3, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Member exceeds struct_size", |
| }, |
| |
| /* Test member exeeds the size of struct |
| * |
| * struct A { |
| * int m; |
| * void *n; |
| * }; |
| */ |
| { |
| .descr = "size check test #3", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), |
| /* void* */ /* [2] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), |
| /* struct A { */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) + sizeof(void *) - 1), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* void *n; */ |
| /* } */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m\0n", |
| .str_sec_size = sizeof("\0A\0m\0n"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "size_check3_map", |
| .key_size = sizeof(int), |
| .value_size = 1, |
| .key_type_id = 1, |
| .value_type_id = 3, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Member exceeds struct_size", |
| }, |
| |
| /* Test member exceeds the size of struct |
| * |
| * enum E { |
| * E0, |
| * E1, |
| * }; |
| * |
| * struct A { |
| * int m; |
| * enum E n; |
| * }; |
| */ |
| { |
| .descr = "size check test #4", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), |
| /* enum E { */ /* [2] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), |
| BTF_ENUM_ENC(NAME_TBD, 0), |
| BTF_ENUM_ENC(NAME_TBD, 1), |
| /* } */ |
| /* struct A { */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* enum E n; */ |
| /* } */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0E\0E0\0E1\0A\0m\0n", |
| .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "size_check4_map", |
| .key_size = sizeof(int), |
| .value_size = 1, |
| .key_type_id = 1, |
| .value_type_id = 3, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Member exceeds struct_size", |
| }, |
| |
| /* typedef const void * const_void_ptr; |
| * struct A { |
| * const_void_ptr m; |
| * }; |
| */ |
| { |
| .descr = "void test #1", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* const void */ /* [2] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), |
| /* const void* */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), |
| /* typedef const void * const_void_ptr */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), |
| /* struct A { */ /* [4] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), |
| /* const_void_ptr m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 3, 0), |
| /* } */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0const_void_ptr\0A\0m", |
| .str_sec_size = sizeof("\0const_void_ptr\0A\0m"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "void_test1_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(void *), |
| .key_type_id = 1, |
| .value_type_id = 4, |
| .max_entries = 4, |
| }, |
| |
| /* struct A { |
| * const void m; |
| * }; |
| */ |
| { |
| .descr = "void test #2", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* const void */ /* [2] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), |
| /* struct A { */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 8), |
| /* const void m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 0), |
| /* } */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m", |
| .str_sec_size = sizeof("\0A\0m"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "void_test2_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(void *), |
| .key_type_id = 1, |
| .value_type_id = 3, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid member", |
| }, |
| |
| /* typedef const void * const_void_ptr; |
| * const_void_ptr[4] |
| */ |
| { |
| .descr = "void test #3", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* const void */ /* [2] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), |
| /* const void* */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), |
| /* typedef const void * const_void_ptr */ /* [4] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), |
| /* const_void_ptr[4] */ /* [5] */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0const_void_ptr", |
| .str_sec_size = sizeof("\0const_void_ptr"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "void_test3_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(void *) * 4, |
| .key_type_id = 1, |
| .value_type_id = 5, |
| .max_entries = 4, |
| }, |
| |
| /* const void[4] */ |
| { |
| .descr = "void test #4", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* const void */ /* [2] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), |
| /* const void[4] */ /* [3] */ |
| BTF_TYPE_ARRAY_ENC(2, 1, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m", |
| .str_sec_size = sizeof("\0A\0m"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "void_test4_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(void *) * 4, |
| .key_type_id = 1, |
| .value_type_id = 3, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid elem", |
| }, |
| |
| /* Array_A <------------------+ |
| * elem_type == Array_B | |
| * | | |
| * | | |
| * Array_B <-------- + | |
| * elem_type == Array A --+ |
| */ |
| { |
| .descr = "loop test #1", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* Array_A */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 8), |
| /* Array_B */ /* [3] */ |
| BTF_TYPE_ARRAY_ENC(2, 1, 8), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test1_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(sizeof(int) * 8), |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| /* typedef is _before_ the BTF type of Array_A and Array_B |
| * |
| * typedef Array_B int_array; |
| * |
| * Array_A <------------------+ |
| * elem_type == int_array | |
| * | | |
| * | | |
| * Array_B <-------- + | |
| * elem_type == Array_A --+ |
| */ |
| { |
| .descr = "loop test #2", |
| .raw_types = { |
| /* int */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ |
| /* typedef Array_B int_array */ |
| BTF_TYPEDEF_ENC(1, 4), /* [2] */ |
| /* Array_A */ |
| BTF_TYPE_ARRAY_ENC(2, 1, 8), /* [3] */ |
| /* Array_B */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 8), /* [4] */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int_array\0", |
| .str_sec_size = sizeof("\0int_array"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test2_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(sizeof(int) * 8), |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| /* Array_A <------------------+ |
| * elem_type == Array_B | |
| * | | |
| * | | |
| * Array_B <-------- + | |
| * elem_type == Array_A --+ |
| */ |
| { |
| .descr = "loop test #3", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* Array_A */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 8), |
| /* Array_B */ /* [3] */ |
| BTF_TYPE_ARRAY_ENC(2, 1, 8), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test3_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(sizeof(int) * 8), |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| /* typedef is _between_ the BTF type of Array_A and Array_B |
| * |
| * typedef Array_B int_array; |
| * |
| * Array_A <------------------+ |
| * elem_type == int_array | |
| * | | |
| * | | |
| * Array_B <-------- + | |
| * elem_type == Array_A --+ |
| */ |
| { |
| .descr = "loop test #4", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* Array_A */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 8), |
| /* typedef Array_B int_array */ /* [3] */ |
| BTF_TYPEDEF_ENC(NAME_TBD, 4), |
| /* Array_B */ /* [4] */ |
| BTF_TYPE_ARRAY_ENC(2, 1, 8), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int_array\0", |
| .str_sec_size = sizeof("\0int_array"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test4_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(sizeof(int) * 8), |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| /* typedef struct B Struct_B |
| * |
| * struct A { |
| * int x; |
| * Struct_B y; |
| * }; |
| * |
| * struct B { |
| * int x; |
| * struct A y; |
| * }; |
| */ |
| { |
| .descr = "loop test #5", |
| .raw_types = { |
| /* int */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ |
| /* struct A */ /* [2] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ |
| BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* Struct_B y; */ |
| /* typedef struct B Struct_B */ |
| BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ |
| /* struct B */ /* [4] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A y; */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0x\0y\0Struct_B\0B\0x\0y", |
| .str_sec_size = sizeof("\0A\0x\0y\0Struct_B\0B\0x\0y"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test5_map", |
| .key_size = sizeof(int), |
| .value_size = 8, |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| /* struct A { |
| * int x; |
| * struct A array_a[4]; |
| * }; |
| */ |
| { |
| .descr = "loop test #6", |
| .raw_types = { |
| /* int */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */ |
| /* struct A */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), |
| BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ |
| BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A array_a[4]; */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0x\0y", |
| .str_sec_size = sizeof("\0A\0x\0y"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test6_map", |
| .key_size = sizeof(int), |
| .value_size = 8, |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| { |
| .descr = "loop test #7", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* struct A { */ /* [2] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), |
| /* const void *m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 3, 0), |
| /* CONST type_id=3 */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), |
| /* PTR type_id=2 */ /* [4] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m", |
| .str_sec_size = sizeof("\0A\0m"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test7_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(void *), |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| { |
| .descr = "loop test #8", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* struct A { */ /* [2] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), |
| /* const void *m; */ |
| BTF_MEMBER_ENC(NAME_TBD, 4, 0), |
| /* struct B { */ /* [3] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), |
| /* const void *n; */ |
| BTF_MEMBER_ENC(NAME_TBD, 6, 0), |
| /* CONST type_id=5 */ /* [4] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 5), |
| /* PTR type_id=6 */ /* [5] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 6), |
| /* CONST type_id=7 */ /* [6] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 7), |
| /* PTR type_id=4 */ /* [7] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0A\0m\0B\0n", |
| .str_sec_size = sizeof("\0A\0m\0B\0n"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "loop_test8_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(void *), |
| .key_type_id = 1, |
| .value_type_id = 2, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Loop detected", |
| }, |
| |
| { |
| .descr = "string section does not end with null", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int") - 1, |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid string section", |
| }, |
| |
| { |
| .descr = "empty string section", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = 0, |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid string section", |
| }, |
| |
| { |
| .descr = "empty type section", |
| .raw_types = { |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "No type found", |
| }, |
| |
| { |
| .descr = "btf_header test. Longer hdr_len", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .hdr_len_delta = 4, |
| .err_str = "Unsupported btf_header", |
| }, |
| |
| { |
| .descr = "btf_header test. Gap between hdr and type", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .type_off_delta = 4, |
| .err_str = "Unsupported section found", |
| }, |
| |
| { |
| .descr = "btf_header test. Gap between type and str", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .str_off_delta = 4, |
| .err_str = "Unsupported section found", |
| }, |
| |
| { |
| .descr = "btf_header test. Overlap between type and str", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .str_off_delta = -4, |
| .err_str = "Section overlap found", |
| }, |
| |
| { |
| .descr = "btf_header test. Larger BTF size", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .str_len_delta = -4, |
| .err_str = "Unsupported section found", |
| }, |
| |
| { |
| .descr = "btf_header test. Smaller BTF size", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0int", |
| .str_sec_size = sizeof("\0int"), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "hdr_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .str_len_delta = 4, |
| .err_str = "Total section length too long", |
| }, |
| |
| { |
| .descr = "array test. index_type/elem_type \"int\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int[16] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(1, 1, 16), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| }, |
| |
| { |
| .descr = "array test. index_type/elem_type \"const int\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int[16] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(3, 3, 16), |
| /* CONST type_id=1 */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| }, |
| |
| { |
| .descr = "array test. index_type \"const int:31\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int:31 */ /* [2] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), |
| /* int[16] */ /* [3] */ |
| BTF_TYPE_ARRAY_ENC(1, 4, 16), |
| /* CONST type_id=2 */ /* [4] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid index", |
| }, |
| |
| { |
| .descr = "array test. elem_type \"const int:31\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int:31 */ /* [2] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), |
| /* int[16] */ /* [3] */ |
| BTF_TYPE_ARRAY_ENC(4, 1, 16), |
| /* CONST type_id=2 */ /* [4] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid array of int", |
| }, |
| |
| { |
| .descr = "array test. index_type \"void\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int[16] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(1, 0, 16), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid index", |
| }, |
| |
| { |
| .descr = "array test. index_type \"const void\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int[16] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(1, 3, 16), |
| /* CONST type_id=0 (void) */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid index", |
| }, |
| |
| { |
| .descr = "array test. elem_type \"const void\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int[16] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 16), |
| /* CONST type_id=0 (void) */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid elem", |
| }, |
| |
| { |
| .descr = "array test. elem_type \"const void *\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* const void *[16] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(3, 1, 16), |
| /* CONST type_id=4 */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), |
| /* void* */ /* [4] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| }, |
| |
| { |
| .descr = "array test. index_type \"const void *\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* const void *[16] */ /* [2] */ |
| BTF_TYPE_ARRAY_ENC(3, 3, 16), |
| /* CONST type_id=4 */ /* [3] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), |
| /* void* */ /* [4] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid index", |
| }, |
| |
| { |
| .descr = "array test. t->size != 0\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* int[16] */ /* [2] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 1), |
| BTF_ARRAY_ENC(1, 1, 16), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "size != 0", |
| }, |
| |
| { |
| .descr = "int test. invalid int_data", |
| .raw_types = { |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), 4), |
| 0x10000000, |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid int_data", |
| }, |
| |
| { |
| .descr = "invalid BTF_INFO", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_TYPE_ENC(0, 0x10000000, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "Invalid btf_info", |
| }, |
| |
| { |
| .descr = "fwd test. t->type != 0\"", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* fwd type */ /* [2] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 1), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "fwd_test_map", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .btf_load_err = true, |
| .err_str = "type != 0", |
| }, |
| |
| { |
| .descr = "arraymap invalid btf key (a bit field)", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* 32 bit int with 32 bit offset */ /* [2] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 32, 32, 8), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_map_check_btf", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 2, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .map_create_err = true, |
| }, |
| |
| { |
| .descr = "arraymap invalid btf key (!= 32 bits)", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* 16 bit int with 0 bit offset */ /* [2] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 16, 2), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_map_check_btf", |
| .key_size = sizeof(int), |
| .value_size = sizeof(int), |
| .key_type_id = 2, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .map_create_err = true, |
| }, |
| |
| { |
| .descr = "arraymap invalid btf value (too small)", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_map_check_btf", |
| .key_size = sizeof(int), |
| /* btf_value_size < map->value_size */ |
| .value_size = sizeof(__u64), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .map_create_err = true, |
| }, |
| |
| { |
| .descr = "arraymap invalid btf value (too big)", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "array_map_check_btf", |
| .key_size = sizeof(int), |
| /* btf_value_size > map->value_size */ |
| .value_size = sizeof(__u16), |
| .key_type_id = 1, |
| .value_type_id = 1, |
| .max_entries = 4, |
| .map_create_err = true, |
| }, |
| |
| }; /* struct btf_raw_test raw_tests[] */ |
| |
| static const char *get_next_str(const char *start, const char *end) |
| { |
| return start < end - 1 ? start + 1 : NULL; |
| } |
| |
| static int get_type_sec_size(const __u32 *raw_types) |
| { |
| int i; |
| |
| for (i = MAX_NR_RAW_TYPES - 1; |
| i >= 0 && raw_types[i] != BTF_END_RAW; |
| i--) |
| ; |
| |
| return i < 0 ? i : i * sizeof(raw_types[0]); |
| } |
| |
| static void *btf_raw_create(const struct btf_header *hdr, |
| const __u32 *raw_types, |
| const char *str, |
| unsigned int str_sec_size, |
| unsigned int *btf_size) |
| { |
| const char *next_str = str, *end_str = str + str_sec_size; |
| unsigned int size_needed, offset; |
| struct btf_header *ret_hdr; |
| int i, type_sec_size; |
| uint32_t *ret_types; |
| void *raw_btf; |
| |
| type_sec_size = get_type_sec_size(raw_types); |
| if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types")) |
| return NULL; |
| |
| size_needed = sizeof(*hdr) + type_sec_size + str_sec_size; |
| raw_btf = malloc(size_needed); |
| if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf")) |
| return NULL; |
| |
| /* Copy header */ |
| memcpy(raw_btf, hdr, sizeof(*hdr)); |
| offset = sizeof(*hdr); |
| |
| /* Copy type section */ |
| ret_types = raw_btf + offset; |
| for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) { |
| if (raw_types[i] == NAME_TBD) { |
| next_str = get_next_str(next_str, end_str); |
| if (CHECK(!next_str, "Error in getting next_str")) { |
| free(raw_btf); |
| return NULL; |
| } |
| ret_types[i] = next_str - str; |
| next_str += strlen(next_str); |
| } else { |
| ret_types[i] = raw_types[i]; |
| } |
| } |
| offset += type_sec_size; |
| |
| /* Copy string section */ |
| memcpy(raw_btf + offset, str, str_sec_size); |
| |
| ret_hdr = (struct btf_header *)raw_btf; |
| ret_hdr->type_len = type_sec_size; |
| ret_hdr->str_off = type_sec_size; |
| ret_hdr->str_len = str_sec_size; |
| |
| *btf_size = size_needed; |
| |
| return raw_btf; |
| } |
| |
| static int do_test_raw(unsigned int test_num) |
| { |
| struct btf_raw_test *test = &raw_tests[test_num - 1]; |
| struct bpf_create_map_attr create_attr = {}; |
| int map_fd = -1, btf_fd = -1; |
| unsigned int raw_btf_size; |
| struct btf_header *hdr; |
| void *raw_btf; |
| int err; |
| |
| fprintf(stderr, "BTF raw test[%u] (%s): ", test_num, test->descr); |
| raw_btf = btf_raw_create(&hdr_tmpl, |
| test->raw_types, |
| test->str_sec, |
| test->str_sec_size, |
| &raw_btf_size); |
| |
| if (!raw_btf) |
| return -1; |
| |
| hdr = raw_btf; |
| |
| hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta; |
| hdr->type_off = (int)hdr->type_off + test->type_off_delta; |
| hdr->str_off = (int)hdr->str_off + test->str_off_delta; |
| hdr->str_len = (int)hdr->str_len + test->str_len_delta; |
| |
| *btf_log_buf = '\0'; |
| btf_fd = bpf_load_btf(raw_btf, raw_btf_size, |
| btf_log_buf, BTF_LOG_BUF_SIZE, |
| args.always_log); |
| free(raw_btf); |
| |
| err = ((btf_fd == -1) != test->btf_load_err); |
| if (CHECK(err, "btf_fd:%d test->btf_load_err:%u", |
| btf_fd, test->btf_load_err) || |
| CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), |
| "expected err_str:%s", test->err_str)) { |
| err = -1; |
| goto done; |
| } |
| |
| if (err || btf_fd == -1) |
| goto done; |
| |
| create_attr.name = test->map_name; |
| create_attr.map_type = test->map_type; |
| create_attr.key_size = test->key_size; |
| create_attr.value_size = test->value_size; |
| create_attr.max_entries = test->max_entries; |
| create_attr.btf_fd = btf_fd; |
| create_attr.btf_key_type_id = test->key_type_id; |
| create_attr.btf_value_type_id = test->value_type_id; |
| |
| map_fd = bpf_create_map_xattr(&create_attr); |
| |
| err = ((map_fd == -1) != test->map_create_err); |
| CHECK(err, "map_fd:%d test->map_create_err:%u", |
| map_fd, test->map_create_err); |
| |
| done: |
| if (!err) |
| fprintf(stderr, "OK"); |
| |
| if (*btf_log_buf && (err || args.always_log)) |
| fprintf(stderr, "\n%s", btf_log_buf); |
| |
| if (btf_fd != -1) |
| close(btf_fd); |
| if (map_fd != -1) |
| close(map_fd); |
| |
| return err; |
| } |
| |
| static int test_raw(void) |
| { |
| unsigned int i; |
| int err = 0; |
| |
| if (args.raw_test_num) |
| return count_result(do_test_raw(args.raw_test_num)); |
| |
| for (i = 1; i <= ARRAY_SIZE(raw_tests); i++) |
| err |= count_result(do_test_raw(i)); |
| |
| return err; |
| } |
| |
| struct btf_get_info_test { |
| const char *descr; |
| const char *str_sec; |
| __u32 raw_types[MAX_NR_RAW_TYPES]; |
| __u32 str_sec_size; |
| int btf_size_delta; |
| int (*special_test)(unsigned int test_num); |
| }; |
| |
| static int test_big_btf_info(unsigned int test_num); |
| static int test_btf_id(unsigned int test_num); |
| |
| const struct btf_get_info_test get_info_tests[] = { |
| { |
| .descr = "== raw_btf_size+1", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .btf_size_delta = 1, |
| }, |
| { |
| .descr = "== raw_btf_size-3", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .btf_size_delta = -3, |
| }, |
| { |
| .descr = "Large bpf_btf_info", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .special_test = test_big_btf_info, |
| }, |
| { |
| .descr = "BTF ID", |
| .raw_types = { |
| /* int */ /* [1] */ |
| BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), |
| /* unsigned int */ /* [2] */ |
| BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), |
| BTF_END_RAW, |
| }, |
| .str_sec = "", |
| .str_sec_size = sizeof(""), |
| .special_test = test_btf_id, |
| }, |
| }; |
| |
| static inline __u64 ptr_to_u64(const void *ptr) |
| { |
| return (__u64)(unsigned long)ptr; |
| } |
| |
| static int test_big_btf_info(unsigned int test_num) |
| { |
| const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; |
| uint8_t *raw_btf = NULL, *user_btf = NULL; |
| unsigned int raw_btf_size; |
| struct { |
| struct bpf_btf_info info; |
| uint64_t garbage; |
| } info_garbage; |
| struct bpf_btf_info *info; |
| int btf_fd = -1, err; |
| uint32_t info_len; |
| |
| raw_btf = btf_raw_create(&hdr_tmpl, |
| test->raw_types, |
| test->str_sec, |
| test->str_sec_size, |
| &raw_btf_size); |
| |
| if (!raw_btf) |
| return -1; |
| |
| *btf_log_buf = '\0'; |
| |
| user_btf = malloc(raw_btf_size); |
| if (CHECK(!user_btf, "!user_btf")) { |
| err = -1; |
| goto done; |
| } |
| |
| btf_fd = bpf_load_btf(raw_btf, raw_btf_size, |
| btf_log_buf, BTF_LOG_BUF_SIZE, |
| args.always_log); |
| if (CHECK(btf_fd == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| /* |
| * GET_INFO should error out if the userspace info |
| * has non zero tailing bytes. |
| */ |
| info = &info_garbage.info; |
| memset(info, 0, sizeof(*info)); |
| info_garbage.garbage = 0xdeadbeef; |
| info_len = sizeof(info_garbage); |
| info->btf = ptr_to_u64(user_btf); |
| info->btf_size = raw_btf_size; |
| |
| err = bpf_obj_get_info_by_fd(btf_fd, info, &info_len); |
| if (CHECK(!err, "!err")) { |
| err = -1; |
| goto done; |
| } |
| |
| /* |
| * GET_INFO should succeed even info_len is larger than |
| * the kernel supported as long as tailing bytes are zero. |
| * The kernel supported info len should also be returned |
| * to userspace. |
| */ |
| info_garbage.garbage = 0; |
| err = bpf_obj_get_info_by_fd(btf_fd, info, &info_len); |
| if (CHECK(err || info_len != sizeof(*info), |
| "err:%d errno:%d info_len:%u sizeof(*info):%lu", |
| err, errno, info_len, sizeof(*info))) { |
| err = -1; |
| goto done; |
| } |
| |
| fprintf(stderr, "OK"); |
| |
| done: |
| if (*btf_log_buf && (err || args.always_log)) |
| fprintf(stderr, "\n%s", btf_log_buf); |
| |
| free(raw_btf); |
| free(user_btf); |
| |
| if (btf_fd != -1) |
| close(btf_fd); |
| |
| return err; |
| } |
| |
| static int test_btf_id(unsigned int test_num) |
| { |
| const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; |
| struct bpf_create_map_attr create_attr = {}; |
| uint8_t *raw_btf = NULL, *user_btf[2] = {}; |
| int btf_fd[2] = {-1, -1}, map_fd = -1; |
| struct bpf_map_info map_info = {}; |
| struct bpf_btf_info info[2] = {}; |
| unsigned int raw_btf_size; |
| uint32_t info_len; |
| int err, i, ret; |
| |
| raw_btf = btf_raw_create(&hdr_tmpl, |
| test->raw_types, |
| test->str_sec, |
| test->str_sec_size, |
| &raw_btf_size); |
| |
| if (!raw_btf) |
| return -1; |
| |
| *btf_log_buf = '\0'; |
| |
| for (i = 0; i < 2; i++) { |
| user_btf[i] = malloc(raw_btf_size); |
| if (CHECK(!user_btf[i], "!user_btf[%d]", i)) { |
| err = -1; |
| goto done; |
| } |
| info[i].btf = ptr_to_u64(user_btf[i]); |
| info[i].btf_size = raw_btf_size; |
| } |
| |
| btf_fd[0] = bpf_load_btf(raw_btf, raw_btf_size, |
| btf_log_buf, BTF_LOG_BUF_SIZE, |
| args.always_log); |
| if (CHECK(btf_fd[0] == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| /* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */ |
| info_len = sizeof(info[0]); |
| err = bpf_obj_get_info_by_fd(btf_fd[0], &info[0], &info_len); |
| if (CHECK(err, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id); |
| if (CHECK(btf_fd[1] == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| ret = 0; |
| err = bpf_obj_get_info_by_fd(btf_fd[1], &info[1], &info_len); |
| if (CHECK(err || info[0].id != info[1].id || |
| info[0].btf_size != info[1].btf_size || |
| (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)), |
| "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d", |
| err, errno, info[0].id, info[1].id, |
| info[0].btf_size, info[1].btf_size, ret)) { |
| err = -1; |
| goto done; |
| } |
| |
| /* Test btf members in struct bpf_map_info */ |
| create_attr.name = "test_btf_id"; |
| create_attr.map_type = BPF_MAP_TYPE_ARRAY; |
| create_attr.key_size = sizeof(int); |
| create_attr.value_size = sizeof(unsigned int); |
| create_attr.max_entries = 4; |
| create_attr.btf_fd = btf_fd[0]; |
| create_attr.btf_key_type_id = 1; |
| create_attr.btf_value_type_id = 2; |
| |
| map_fd = bpf_create_map_xattr(&create_attr); |
| if (CHECK(map_fd == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| info_len = sizeof(map_info); |
| err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len); |
| if (CHECK(err || map_info.btf_id != info[0].id || |
| map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2, |
| "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u", |
| err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id, |
| map_info.btf_value_type_id)) { |
| err = -1; |
| goto done; |
| } |
| |
| for (i = 0; i < 2; i++) { |
| close(btf_fd[i]); |
| btf_fd[i] = -1; |
| } |
| |
| /* Test BTF ID is removed from the kernel */ |
| btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id); |
| if (CHECK(btf_fd[0] == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| close(btf_fd[0]); |
| btf_fd[0] = -1; |
| |
| /* The map holds the last ref to BTF and its btf_id */ |
| close(map_fd); |
| map_fd = -1; |
| btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id); |
| if (CHECK(btf_fd[0] != -1, "BTF lingers")) { |
| err = -1; |
| goto done; |
| } |
| |
| fprintf(stderr, "OK"); |
| |
| done: |
| if (*btf_log_buf && (err || args.always_log)) |
| fprintf(stderr, "\n%s", btf_log_buf); |
| |
| free(raw_btf); |
| if (map_fd != -1) |
| close(map_fd); |
| for (i = 0; i < 2; i++) { |
| free(user_btf[i]); |
| if (btf_fd[i] != -1) |
| close(btf_fd[i]); |
| } |
| |
| return err; |
| } |
| |
| static int do_test_get_info(unsigned int test_num) |
| { |
| const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; |
| unsigned int raw_btf_size, user_btf_size, expected_nbytes; |
| uint8_t *raw_btf = NULL, *user_btf = NULL; |
| struct bpf_btf_info info = {}; |
| int btf_fd = -1, err, ret; |
| uint32_t info_len; |
| |
| fprintf(stderr, "BTF GET_INFO test[%u] (%s): ", |
| test_num, test->descr); |
| |
| if (test->special_test) |
| return test->special_test(test_num); |
| |
| raw_btf = btf_raw_create(&hdr_tmpl, |
| test->raw_types, |
| test->str_sec, |
| test->str_sec_size, |
| &raw_btf_size); |
| |
| if (!raw_btf) |
| return -1; |
| |
| *btf_log_buf = '\0'; |
| |
| user_btf = malloc(raw_btf_size); |
| if (CHECK(!user_btf, "!user_btf")) { |
| err = -1; |
| goto done; |
| } |
| |
| btf_fd = bpf_load_btf(raw_btf, raw_btf_size, |
| btf_log_buf, BTF_LOG_BUF_SIZE, |
| args.always_log); |
| if (CHECK(btf_fd == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| user_btf_size = (int)raw_btf_size + test->btf_size_delta; |
| expected_nbytes = min(raw_btf_size, user_btf_size); |
| if (raw_btf_size > expected_nbytes) |
| memset(user_btf + expected_nbytes, 0xff, |
| raw_btf_size - expected_nbytes); |
| |
| info_len = sizeof(info); |
| info.btf = ptr_to_u64(user_btf); |
| info.btf_size = user_btf_size; |
| |
| ret = 0; |
| err = bpf_obj_get_info_by_fd(btf_fd, &info, &info_len); |
| if (CHECK(err || !info.id || info_len != sizeof(info) || |
| info.btf_size != raw_btf_size || |
| (ret = memcmp(raw_btf, user_btf, expected_nbytes)), |
| "err:%d errno:%d info.id:%u info_len:%u sizeof(info):%lu raw_btf_size:%u info.btf_size:%u expected_nbytes:%u memcmp:%d", |
| err, errno, info.id, info_len, sizeof(info), |
| raw_btf_size, info.btf_size, expected_nbytes, ret)) { |
| err = -1; |
| goto done; |
| } |
| |
| while (expected_nbytes < raw_btf_size) { |
| fprintf(stderr, "%u...", expected_nbytes); |
| if (CHECK(user_btf[expected_nbytes++] != 0xff, |
| "user_btf[%u]:%x != 0xff", expected_nbytes - 1, |
| user_btf[expected_nbytes - 1])) { |
| err = -1; |
| goto done; |
| } |
| } |
| |
| fprintf(stderr, "OK"); |
| |
| done: |
| if (*btf_log_buf && (err || args.always_log)) |
| fprintf(stderr, "\n%s", btf_log_buf); |
| |
| free(raw_btf); |
| free(user_btf); |
| |
| if (btf_fd != -1) |
| close(btf_fd); |
| |
| return err; |
| } |
| |
| static int test_get_info(void) |
| { |
| unsigned int i; |
| int err = 0; |
| |
| if (args.get_info_test_num) |
| return count_result(do_test_get_info(args.get_info_test_num)); |
| |
| for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++) |
| err |= count_result(do_test_get_info(i)); |
| |
| return err; |
| } |
| |
| struct btf_file_test { |
| const char *file; |
| bool btf_kv_notfound; |
| }; |
| |
| static struct btf_file_test file_tests[] = { |
| { |
| .file = "test_btf_haskv.o", |
| }, |
| { |
| .file = "test_btf_nokv.o", |
| .btf_kv_notfound = true, |
| }, |
| }; |
| |
| static int file_has_btf_elf(const char *fn) |
| { |
| Elf_Scn *scn = NULL; |
| GElf_Ehdr ehdr; |
| int elf_fd; |
| Elf *elf; |
| int ret; |
| |
| if (CHECK(elf_version(EV_CURRENT) == EV_NONE, |
| "elf_version(EV_CURRENT) == EV_NONE")) |
| return -1; |
| |
| elf_fd = open(fn, O_RDONLY); |
| if (CHECK(elf_fd == -1, "open(%s): errno:%d", fn, errno)) |
| return -1; |
| |
| elf = elf_begin(elf_fd, ELF_C_READ, NULL); |
| if (CHECK(!elf, "elf_begin(%s): %s", fn, elf_errmsg(elf_errno()))) { |
| ret = -1; |
| goto done; |
| } |
| |
| if (CHECK(!gelf_getehdr(elf, &ehdr), "!gelf_getehdr(%s)", fn)) { |
| ret = -1; |
| goto done; |
| } |
| |
| while ((scn = elf_nextscn(elf, scn))) { |
| const char *sh_name; |
| GElf_Shdr sh; |
| |
| if (CHECK(gelf_getshdr(scn, &sh) != &sh, |
| "file:%s gelf_getshdr != &sh", fn)) { |
| ret = -1; |
| goto done; |
| } |
| |
| sh_name = elf_strptr(elf, ehdr.e_shstrndx, sh.sh_name); |
| if (!strcmp(sh_name, BTF_ELF_SEC)) { |
| ret = 1; |
| goto done; |
| } |
| } |
| |
| ret = 0; |
| |
| done: |
| close(elf_fd); |
| elf_end(elf); |
| return ret; |
| } |
| |
| static int do_test_file(unsigned int test_num) |
| { |
| const struct btf_file_test *test = &file_tests[test_num - 1]; |
| struct bpf_object *obj = NULL; |
| struct bpf_program *prog; |
| struct bpf_map *map; |
| int err; |
| |
| fprintf(stderr, "BTF libbpf test[%u] (%s): ", test_num, |
| test->file); |
| |
| err = file_has_btf_elf(test->file); |
| if (err == -1) |
| return err; |
| |
| if (err == 0) { |
| fprintf(stderr, "SKIP. No ELF %s found", BTF_ELF_SEC); |
| skip_cnt++; |
| return 0; |
| } |
| |
| obj = bpf_object__open(test->file); |
| if (CHECK(IS_ERR(obj), "obj: %ld", PTR_ERR(obj))) |
| return PTR_ERR(obj); |
| |
| err = bpf_object__btf_fd(obj); |
| if (CHECK(err == -1, "bpf_object__btf_fd: -1")) |
| goto done; |
| |
| prog = bpf_program__next(NULL, obj); |
| if (CHECK(!prog, "Cannot find bpf_prog")) { |
| err = -1; |
| goto done; |
| } |
| |
| bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT); |
| err = bpf_object__load(obj); |
| if (CHECK(err < 0, "bpf_object__load: %d", err)) |
| goto done; |
| |
| map = bpf_object__find_map_by_name(obj, "btf_map"); |
| if (CHECK(!map, "btf_map not found")) { |
| err = -1; |
| goto done; |
| } |
| |
| err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0) |
| != test->btf_kv_notfound; |
| if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u", |
| bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map), |
| test->btf_kv_notfound)) |
| goto done; |
| |
| fprintf(stderr, "OK"); |
| |
| done: |
| bpf_object__close(obj); |
| return err; |
| } |
| |
| static int test_file(void) |
| { |
| unsigned int i; |
| int err = 0; |
| |
| if (args.file_test_num) |
| return count_result(do_test_file(args.file_test_num)); |
| |
| for (i = 1; i <= ARRAY_SIZE(file_tests); i++) |
| err |= count_result(do_test_file(i)); |
| |
| return err; |
| } |
| |
| const char *pprint_enum_str[] = { |
| "ENUM_ZERO", |
| "ENUM_ONE", |
| "ENUM_TWO", |
| "ENUM_THREE", |
| }; |
| |
| struct pprint_mapv { |
| uint32_t ui32; |
| uint16_t ui16; |
| /* 2 bytes hole */ |
| int32_t si32; |
| uint32_t unused_bits2a:2, |
| bits28:28, |
| unused_bits2b:2; |
| union { |
| uint64_t ui64; |
| uint8_t ui8a[8]; |
| }; |
| enum { |
| ENUM_ZERO, |
| ENUM_ONE, |
| ENUM_TWO, |
| ENUM_THREE, |
| } aenum; |
| }; |
| |
| static struct btf_raw_test pprint_test_template = { |
| .raw_types = { |
| /* unsighed char */ /* [1] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), |
| /* unsigned short */ /* [2] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), |
| /* unsigned int */ /* [3] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), |
| /* int */ /* [4] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), |
| /* unsigned long long */ /* [5] */ |
| BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), |
| /* 2 bits */ /* [6] */ |
| BTF_TYPE_INT_ENC(0, 0, 0, 2, 2), |
| /* 28 bits */ /* [7] */ |
| BTF_TYPE_INT_ENC(0, 0, 0, 28, 4), |
| /* uint8_t[8] */ /* [8] */ |
| BTF_TYPE_ARRAY_ENC(9, 1, 8), |
| /* typedef unsigned char uint8_t */ /* [9] */ |
| BTF_TYPEDEF_ENC(NAME_TBD, 1), |
| /* typedef unsigned short uint16_t */ /* [10] */ |
| BTF_TYPEDEF_ENC(NAME_TBD, 2), |
| /* typedef unsigned int uint32_t */ /* [11] */ |
| BTF_TYPEDEF_ENC(NAME_TBD, 3), |
| /* typedef int int32_t */ /* [12] */ |
| BTF_TYPEDEF_ENC(NAME_TBD, 4), |
| /* typedef unsigned long long uint64_t *//* [13] */ |
| BTF_TYPEDEF_ENC(NAME_TBD, 5), |
| /* union (anon) */ /* [14] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), |
| BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ |
| BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ |
| /* enum (anon) */ /* [15] */ |
| BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), |
| BTF_ENUM_ENC(NAME_TBD, 0), |
| BTF_ENUM_ENC(NAME_TBD, 1), |
| BTF_ENUM_ENC(NAME_TBD, 2), |
| BTF_ENUM_ENC(NAME_TBD, 3), |
| /* struct pprint_mapv */ /* [16] */ |
| BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 8), 32), |
| BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */ |
| BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */ |
| BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */ |
| BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */ |
| BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */ |
| BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */ |
| BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */ |
| BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */ |
| BTF_END_RAW, |
| }, |
| .str_sec = "\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum", |
| .str_sec_size = sizeof("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum"), |
| .key_size = sizeof(unsigned int), |
| .value_size = sizeof(struct pprint_mapv), |
| .key_type_id = 3, /* unsigned int */ |
| .value_type_id = 16, /* struct pprint_mapv */ |
| .max_entries = 128 * 1024, |
| }; |
| |
| static struct btf_pprint_test_meta { |
| const char *descr; |
| enum bpf_map_type map_type; |
| const char *map_name; |
| bool ordered_map; |
| bool lossless_map; |
| bool percpu_map; |
| } pprint_tests_meta[] = { |
| { |
| .descr = "BTF pretty print array", |
| .map_type = BPF_MAP_TYPE_ARRAY, |
| .map_name = "pprint_test_array", |
| .ordered_map = true, |
| .lossless_map = true, |
| .percpu_map = false, |
| }, |
| |
| { |
| .descr = "BTF pretty print hash", |
| .map_type = BPF_MAP_TYPE_HASH, |
| .map_name = "pprint_test_hash", |
| .ordered_map = false, |
| .lossless_map = true, |
| .percpu_map = false, |
| }, |
| |
| { |
| .descr = "BTF pretty print lru hash", |
| .map_type = BPF_MAP_TYPE_LRU_HASH, |
| .map_name = "pprint_test_lru_hash", |
| .ordered_map = false, |
| .lossless_map = false, |
| .percpu_map = false, |
| }, |
| |
| { |
| .descr = "BTF pretty print percpu array", |
| .map_type = BPF_MAP_TYPE_PERCPU_ARRAY, |
| .map_name = "pprint_test_percpu_array", |
| .ordered_map = true, |
| .lossless_map = true, |
| .percpu_map = true, |
| }, |
| |
| { |
| .descr = "BTF pretty print percpu hash", |
| .map_type = BPF_MAP_TYPE_PERCPU_HASH, |
| .map_name = "pprint_test_percpu_hash", |
| .ordered_map = false, |
| .lossless_map = true, |
| .percpu_map = true, |
| }, |
| |
| { |
| .descr = "BTF pretty print lru percpu hash", |
| .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH, |
| .map_name = "pprint_test_lru_percpu_hash", |
| .ordered_map = false, |
| .lossless_map = false, |
| .percpu_map = true, |
| }, |
| |
| }; |
| |
| |
| static void set_pprint_mapv(struct pprint_mapv *v, uint32_t i, |
| int num_cpus, int rounded_value_size) |
| { |
| int cpu; |
| |
| for (cpu = 0; cpu < num_cpus; cpu++) { |
| v->ui32 = i + cpu; |
| v->si32 = -i; |
| v->unused_bits2a = 3; |
| v->bits28 = i; |
| v->unused_bits2b = 3; |
| v->ui64 = i; |
| v->aenum = i & 0x03; |
| v = (void *)v + rounded_value_size; |
| } |
| } |
| |
| static int check_line(const char *expected_line, int nexpected_line, |
| int expected_line_len, const char *line) |
| { |
| if (CHECK(nexpected_line == expected_line_len, |
| "expected_line is too long")) |
| return -1; |
| |
| if (strcmp(expected_line, line)) { |
| fprintf(stderr, "unexpected pprint output\n"); |
| fprintf(stderr, "expected: %s", expected_line); |
| fprintf(stderr, " read: %s", line); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| |
| static int do_test_pprint(void) |
| { |
| const struct btf_raw_test *test = &pprint_test_template; |
| struct bpf_create_map_attr create_attr = {}; |
| bool ordered_map, lossless_map, percpu_map; |
| int err, ret, num_cpus, rounded_value_size; |
| struct pprint_mapv *mapv = NULL; |
| unsigned int key, nr_read_elems; |
| int map_fd = -1, btf_fd = -1; |
| unsigned int raw_btf_size; |
| char expected_line[255]; |
| FILE *pin_file = NULL; |
| char pin_path[255]; |
| size_t line_len = 0; |
| char *line = NULL; |
| uint8_t *raw_btf; |
| ssize_t nread; |
| |
| fprintf(stderr, "%s......", test->descr); |
| raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, |
| test->str_sec, test->str_sec_size, |
| &raw_btf_size); |
| |
| if (!raw_btf) |
| return -1; |
| |
| *btf_log_buf = '\0'; |
| btf_fd = bpf_load_btf(raw_btf, raw_btf_size, |
| btf_log_buf, BTF_LOG_BUF_SIZE, |
| args.always_log); |
| free(raw_btf); |
| |
| if (CHECK(btf_fd == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| create_attr.name = test->map_name; |
| create_attr.map_type = test->map_type; |
| create_attr.key_size = test->key_size; |
| create_attr.value_size = test->value_size; |
| create_attr.max_entries = test->max_entries; |
| create_attr.btf_fd = btf_fd; |
| create_attr.btf_key_type_id = test->key_type_id; |
| create_attr.btf_value_type_id = test->value_type_id; |
| |
| map_fd = bpf_create_map_xattr(&create_attr); |
| if (CHECK(map_fd == -1, "errno:%d", errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| ret = snprintf(pin_path, sizeof(pin_path), "%s/%s", |
| "/sys/fs/bpf", test->map_name); |
| |
| if (CHECK(ret == sizeof(pin_path), "pin_path %s/%s is too long", |
| "/sys/fs/bpf", test->map_name)) { |
| err = -1; |
| goto done; |
| } |
| |
| err = bpf_obj_pin(map_fd, pin_path); |
| if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno)) |
| goto done; |
| |
| percpu_map = test->percpu_map; |
| num_cpus = percpu_map ? bpf_num_possible_cpus() : 1; |
| rounded_value_size = round_up(sizeof(struct pprint_mapv), 8); |
| mapv = calloc(num_cpus, rounded_value_size); |
| if (CHECK(!mapv, "mapv allocation failure")) { |
| err = -1; |
| goto done; |
| } |
| |
| for (key = 0; key < test->max_entries; key++) { |
| set_pprint_mapv(mapv, key, num_cpus, rounded_value_size); |
| bpf_map_update_elem(map_fd, &key, mapv, 0); |
| } |
| |
| pin_file = fopen(pin_path, "r"); |
| if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) { |
| err = -1; |
| goto done; |
| } |
| |
| /* Skip lines start with '#' */ |
| while ((nread = getline(&line, &line_len, pin_file)) > 0 && |
| *line == '#') |
| ; |
| |
| if (CHECK(nread <= 0, "Unexpected EOF")) { |
| err = -1; |
| goto done; |
| } |
| |
| nr_read_elems = 0; |
| ordered_map = test->ordered_map; |
| lossless_map = test->lossless_map; |
| do { |
| struct pprint_mapv *cmapv; |
| ssize_t nexpected_line; |
| unsigned int next_key; |
| int cpu; |
| |
| next_key = ordered_map ? nr_read_elems : atoi(line); |
| set_pprint_mapv(mapv, next_key, num_cpus, rounded_value_size); |
| cmapv = mapv; |
| |
| for (cpu = 0; cpu < num_cpus; cpu++) { |
| if (percpu_map) { |
| /* for percpu map, the format looks like: |
| * <key>: { |
| * cpu0: <value_on_cpu0> |
| * cpu1: <value_on_cpu1> |
| * ... |
| * cpun: <value_on_cpun> |
| * } |
| * |
| * let us verify the line containing the key here. |
| */ |
| if (cpu == 0) { |
| nexpected_line = snprintf(expected_line, |
| sizeof(expected_line), |
| "%u: {\n", |
| next_key); |
| |
| err = check_line(expected_line, nexpected_line, |
| sizeof(expected_line), line); |
| if (err == -1) |
| goto done; |
| } |
| |
| /* read value@cpu */ |
| nread = getline(&line, &line_len, pin_file); |
| if (nread < 0) |
| break; |
| } |
| |
| nexpected_line = snprintf(expected_line, sizeof(expected_line), |
| "%s%u: {%u,0,%d,0x%x,0x%x,0x%x," |
| "{%lu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s}\n", |
| percpu_map ? "\tcpu" : "", |
| percpu_map ? cpu : next_key, |
| cmapv->ui32, cmapv->si32, |
| cmapv->unused_bits2a, |
| cmapv->bits28, |
| cmapv->unused_bits2b, |
| cmapv->ui64, |
| cmapv->ui8a[0], cmapv->ui8a[1], |
| cmapv->ui8a[2], cmapv->ui8a[3], |
| cmapv->ui8a[4], cmapv->ui8a[5], |
| cmapv->ui8a[6], cmapv->ui8a[7], |
| pprint_enum_str[cmapv->aenum]); |
| |
| err = check_line(expected_line, nexpected_line, |
| sizeof(expected_line), line); |
| if (err == -1) |
| goto done; |
| |
| cmapv = (void *)cmapv + rounded_value_size; |
| } |
| |
| if (percpu_map) { |
| /* skip the last bracket for the percpu map */ |
| nread = getline(&line, &line_len, pin_file); |
| if (nread < 0) |
| break; |
| } |
| |
| nread = getline(&line, &line_len, pin_file); |
| } while (++nr_read_elems < test->max_entries && nread > 0); |
| |
| if (lossless_map && |
| CHECK(nr_read_elems < test->max_entries, |
| "Unexpected EOF. nr_read_elems:%u test->max_entries:%u", |
| nr_read_elems, test->max_entries)) { |
| err = -1; |
| goto done; |
| } |
| |
| if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) { |
| err = -1; |
| goto done; |
| } |
| |
| err = 0; |
| |
| done: |
| if (mapv) |
| free(mapv); |
| if (!err) |
| fprintf(stderr, "OK"); |
| if (*btf_log_buf && (err || args.always_log)) |
| fprintf(stderr, "\n%s", btf_log_buf); |
| if (btf_fd != -1) |
| close(btf_fd); |
| if (map_fd != -1) |
| close(map_fd); |
| if (pin_file) |
| fclose(pin_file); |
| unlink(pin_path); |
| free(line); |
| |
| return err; |
| } |
| |
| static int test_pprint(void) |
| { |
| unsigned int i; |
| int err = 0; |
| |
| for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) { |
| pprint_test_template.descr = pprint_tests_meta[i].descr; |
| pprint_test_template.map_type = pprint_tests_meta[i].map_type; |
| pprint_test_template.map_name = pprint_tests_meta[i].map_name; |
| pprint_test_template.ordered_map = pprint_tests_meta[i].ordered_map; |
| pprint_test_template.lossless_map = pprint_tests_meta[i].lossless_map; |
| pprint_test_template.percpu_map = pprint_tests_meta[i].percpu_map; |
| |
| err |= count_result(do_test_pprint()); |
| } |
| |
| return err; |
| } |
| |
| static void usage(const char *cmd) |
| { |
| fprintf(stderr, "Usage: %s [-l] [[-r test_num (1 - %zu)] | [-g test_num (1 - %zu)] | [-f test_num (1 - %zu)] | [-p]]\n", |
| cmd, ARRAY_SIZE(raw_tests), ARRAY_SIZE(get_info_tests), |
| ARRAY_SIZE(file_tests)); |
| } |
| |
| static int parse_args(int argc, char **argv) |
| { |
| const char *optstr = "lpf:r:g:"; |
| int opt; |
| |
| while ((opt = getopt(argc, argv, optstr)) != -1) { |
| switch (opt) { |
| case 'l': |
| args.always_log = true; |
| break; |
| case 'f': |
| args.file_test_num = atoi(optarg); |
| args.file_test = true; |
| break; |
| case 'r': |
| args.raw_test_num = atoi(optarg); |
| args.raw_test = true; |
| break; |
| case 'g': |
| args.get_info_test_num = atoi(optarg); |
| args.get_info_test = true; |
| break; |
| case 'p': |
| args.pprint_test = true; |
| break; |
| case 'h': |
| usage(argv[0]); |
| exit(0); |
| default: |
| usage(argv[0]); |
| return -1; |
| } |
| } |
| |
| if (args.raw_test_num && |
| (args.raw_test_num < 1 || |
| args.raw_test_num > ARRAY_SIZE(raw_tests))) { |
| fprintf(stderr, "BTF raw test number must be [1 - %zu]\n", |
| ARRAY_SIZE(raw_tests)); |
| return -1; |
| } |
| |
| if (args.file_test_num && |
| (args.file_test_num < 1 || |
| args.file_test_num > ARRAY_SIZE(file_tests))) { |
| fprintf(stderr, "BTF file test number must be [1 - %zu]\n", |
| ARRAY_SIZE(file_tests)); |
| return -1; |
| } |
| |
| if (args.get_info_test_num && |
| (args.get_info_test_num < 1 || |
| args.get_info_test_num > ARRAY_SIZE(get_info_tests))) { |
| fprintf(stderr, "BTF get info test number must be [1 - %zu]\n", |
| ARRAY_SIZE(get_info_tests)); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static void print_summary(void) |
| { |
| fprintf(stderr, "PASS:%u SKIP:%u FAIL:%u\n", |
| pass_cnt - skip_cnt, skip_cnt, error_cnt); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| int err = 0; |
| |
| err = parse_args(argc, argv); |
| if (err) |
| return err; |
| |
| if (args.always_log) |
| libbpf_set_print(__base_pr, __base_pr, __base_pr); |
| |
| if (args.raw_test) |
| err |= test_raw(); |
| |
| if (args.get_info_test) |
| err |= test_get_info(); |
| |
| if (args.file_test) |
| err |= test_file(); |
| |
| if (args.pprint_test) |
| err |= test_pprint(); |
| |
| if (args.raw_test || args.get_info_test || args.file_test || |
| args.pprint_test) |
| goto done; |
| |
| err |= test_raw(); |
| err |= test_get_info(); |
| err |= test_file(); |
| |
| done: |
| print_summary(); |
| return err; |
| } |