![Andrii Nakryiko](/assets/img/avatar_default.png)
This patch sets up a new kind of tests (BTF dedup tests) and tests few aspects of BTF dedup algorithm. More complete set of tests will come in follow up patches. Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
6180 lines
162 KiB
C
6180 lines
162 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright (c) 2018 Facebook */
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#include <linux/bpf.h>
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#include <linux/btf.h>
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/filter.h>
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#include <linux/unistd.h>
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#include <bpf/bpf.h>
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#include <sys/resource.h>
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#include <libelf.h>
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#include <gelf.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <assert.h>
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#include <bpf/libbpf.h>
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#include <bpf/btf.h>
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#include "bpf_rlimit.h"
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#include "bpf_util.h"
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#define MAX_INSNS 512
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#define MAX_SUBPROGS 16
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static uint32_t pass_cnt;
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static uint32_t error_cnt;
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static uint32_t skip_cnt;
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#define CHECK(condition, format...) ({ \
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int __ret = !!(condition); \
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if (__ret) { \
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fprintf(stderr, "%s:%d:FAIL ", __func__, __LINE__); \
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fprintf(stderr, format); \
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} \
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__ret; \
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})
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static int count_result(int err)
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{
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if (err)
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error_cnt++;
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else
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pass_cnt++;
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fprintf(stderr, "\n");
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return err;
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}
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static int __base_pr(enum libbpf_print_level level __attribute__((unused)),
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const char *format, va_list args)
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{
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return vfprintf(stderr, format, args);
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}
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#define BTF_INFO_ENC(kind, kind_flag, vlen) \
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((!!(kind_flag) << 31) | ((kind) << 24) | ((vlen) & BTF_MAX_VLEN))
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#define BTF_TYPE_ENC(name, info, size_or_type) \
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(name), (info), (size_or_type)
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#define BTF_INT_ENC(encoding, bits_offset, nr_bits) \
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((encoding) << 24 | (bits_offset) << 16 | (nr_bits))
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#define BTF_TYPE_INT_ENC(name, encoding, bits_offset, bits, sz) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), sz), \
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BTF_INT_ENC(encoding, bits_offset, bits)
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#define BTF_FWD_ENC(name, kind_flag) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FWD, kind_flag, 0), 0)
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#define BTF_ARRAY_ENC(type, index_type, nr_elems) \
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(type), (index_type), (nr_elems)
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#define BTF_TYPE_ARRAY_ENC(type, index_type, nr_elems) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), \
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BTF_ARRAY_ENC(type, index_type, nr_elems)
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#define BTF_STRUCT_ENC(name, nr_elems, sz) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, nr_elems), sz)
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#define BTF_UNION_ENC(name, nr_elems, sz) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_UNION, 0, nr_elems), sz)
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#define BTF_MEMBER_ENC(name, type, bits_offset) \
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(name), (type), (bits_offset)
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#define BTF_ENUM_ENC(name, val) (name), (val)
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#define BTF_MEMBER_OFFSET(bitfield_size, bits_offset) \
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((bitfield_size) << 24 | (bits_offset))
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#define BTF_TYPEDEF_ENC(name, type) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), type)
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#define BTF_PTR_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), type)
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#define BTF_CONST_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), type)
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#define BTF_VOLATILE_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), type)
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#define BTF_RESTRICT_ENC(type) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), type)
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#define BTF_FUNC_PROTO_ENC(ret_type, nargs) \
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, nargs), ret_type)
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#define BTF_FUNC_PROTO_ARG_ENC(name, type) \
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(name), (type)
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#define BTF_FUNC_ENC(name, func_proto) \
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BTF_TYPE_ENC(name, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), func_proto)
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#define BTF_END_RAW 0xdeadbeef
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#define NAME_TBD 0xdeadb33f
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#define NAME_NTH(N) (0xffff0000 | N)
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#define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xffff0000)
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#define GET_NAME_NTH_IDX(X) (X & 0x0000ffff)
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#define MAX_NR_RAW_U32 1024
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#define BTF_LOG_BUF_SIZE 65535
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static struct args {
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unsigned int raw_test_num;
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unsigned int file_test_num;
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unsigned int get_info_test_num;
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unsigned int info_raw_test_num;
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unsigned int dedup_test_num;
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bool raw_test;
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bool file_test;
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bool get_info_test;
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bool pprint_test;
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bool always_log;
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bool info_raw_test;
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bool dedup_test;
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} args;
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static char btf_log_buf[BTF_LOG_BUF_SIZE];
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static struct btf_header hdr_tmpl = {
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.magic = BTF_MAGIC,
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.version = BTF_VERSION,
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.hdr_len = sizeof(struct btf_header),
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};
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/* several different mapv kinds(types) supported by pprint */
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enum pprint_mapv_kind_t {
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PPRINT_MAPV_KIND_BASIC = 0,
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PPRINT_MAPV_KIND_INT128,
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};
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struct btf_raw_test {
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const char *descr;
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const char *str_sec;
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const char *map_name;
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const char *err_str;
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__u32 raw_types[MAX_NR_RAW_U32];
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__u32 str_sec_size;
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enum bpf_map_type map_type;
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__u32 key_size;
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__u32 value_size;
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__u32 key_type_id;
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__u32 value_type_id;
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__u32 max_entries;
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bool btf_load_err;
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bool map_create_err;
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bool ordered_map;
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bool lossless_map;
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bool percpu_map;
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int hdr_len_delta;
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int type_off_delta;
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int str_off_delta;
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int str_len_delta;
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enum pprint_mapv_kind_t mapv_kind;
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};
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#define BTF_STR_SEC(str) \
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.str_sec = str, .str_sec_size = sizeof(str)
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static struct btf_raw_test raw_tests[] = {
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/* enum E {
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* E0,
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* E1,
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* };
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*
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* struct A {
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* unsigned long long m;
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* int n;
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* char o;
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* [3 bytes hole]
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* int p[8];
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* int q[4][8];
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* enum E r;
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* };
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*/
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{
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.descr = "struct test #1",
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.raw_types = {
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/* int */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
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/* unsigned long long */
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BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
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/* char */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
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/* int[8] */
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BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
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/* struct A { */ /* [5] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 6), 180),
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BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
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BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
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BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
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BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
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BTF_MEMBER_ENC(NAME_TBD, 6, 384),/* int q[4][8] */
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BTF_MEMBER_ENC(NAME_TBD, 7, 1408), /* enum E r */
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/* } */
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/* int[4][8] */
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BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [6] */
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/* enum E */ /* [7] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)),
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BTF_ENUM_ENC(NAME_TBD, 0),
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BTF_ENUM_ENC(NAME_TBD, 1),
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BTF_END_RAW,
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},
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.str_sec = "\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1",
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.str_sec_size = sizeof("\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1"),
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.map_type = BPF_MAP_TYPE_ARRAY,
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.map_name = "struct_test1_map",
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.key_size = sizeof(int),
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.value_size = 180,
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.key_type_id = 1,
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.value_type_id = 5,
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.max_entries = 4,
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},
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/* typedef struct b Struct_B;
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*
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* struct A {
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* int m;
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* struct b n[4];
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* const Struct_B o[4];
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* };
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*
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* struct B {
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* int m;
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* int n;
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* };
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*/
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{
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.descr = "struct test #2",
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.raw_types = {
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/* int */ /* [1] */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
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/* struct b [4] */ /* [2] */
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BTF_TYPE_ARRAY_ENC(4, 1, 4),
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/* struct A { */ /* [3] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 3), 68),
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BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
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BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct B n[4] */
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BTF_MEMBER_ENC(NAME_TBD, 8, 288),/* const Struct_B o[4];*/
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/* } */
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/* struct B { */ /* [4] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
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BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
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BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */
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/* } */
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/* const int */ /* [5] */
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1),
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/* typedef struct b Struct_B */ /* [6] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 4),
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/* const Struct_B */ /* [7] */
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 6),
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/* const Struct_B [4] */ /* [8] */
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BTF_TYPE_ARRAY_ENC(7, 1, 4),
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BTF_END_RAW,
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},
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.str_sec = "\0A\0m\0n\0o\0B\0m\0n\0Struct_B",
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.str_sec_size = sizeof("\0A\0m\0n\0o\0B\0m\0n\0Struct_B"),
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.map_type = BPF_MAP_TYPE_ARRAY,
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.map_name = "struct_test2_map",
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.key_size = sizeof(int),
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.value_size = 68,
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.key_type_id = 1,
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.value_type_id = 3,
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.max_entries = 4,
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},
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{
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.descr = "struct test #3 Invalid member offset",
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.raw_types = {
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/* int */ /* [1] */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
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/* int64 */ /* [2] */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8),
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/* struct A { */ /* [3] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 16),
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BTF_MEMBER_ENC(NAME_TBD, 1, 64), /* int m; */
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BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* int64 n; */
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/* } */
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BTF_END_RAW,
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},
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.str_sec = "\0A\0m\0n\0",
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.str_sec_size = sizeof("\0A\0m\0n\0"),
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.map_type = BPF_MAP_TYPE_ARRAY,
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.map_name = "struct_test3_map",
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.key_size = sizeof(int),
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.value_size = 16,
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.key_type_id = 1,
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.value_type_id = 3,
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.max_entries = 4,
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.btf_load_err = true,
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.err_str = "Invalid member bits_offset",
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},
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/* Test member exceeds the size of struct.
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*
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* struct A {
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* int m;
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* int n;
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* };
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*/
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{
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.descr = "size check test #1",
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.raw_types = {
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/* int */ /* [1] */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
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/* struct A { */ /* [2] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1),
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BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
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BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */
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/* } */
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BTF_END_RAW,
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},
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.str_sec = "\0A\0m\0n",
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.str_sec_size = sizeof("\0A\0m\0n"),
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.map_type = BPF_MAP_TYPE_ARRAY,
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.map_name = "size_check1_map",
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.key_size = sizeof(int),
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.value_size = 1,
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.key_type_id = 1,
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.value_type_id = 2,
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.max_entries = 4,
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.btf_load_err = true,
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.err_str = "Member exceeds struct_size",
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},
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/* Test member exeeds the size of struct
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*
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* struct A {
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* int m;
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* int n[2];
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* };
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*/
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{
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.descr = "size check test #2",
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.raw_types = {
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/* int */ /* [1] */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
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/* int[2] */ /* [2] */
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BTF_TYPE_ARRAY_ENC(1, 1, 2),
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/* struct A { */ /* [3] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 3 - 1),
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BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
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BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* int n[2]; */
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/* } */
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BTF_END_RAW,
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},
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.str_sec = "\0A\0m\0n",
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.str_sec_size = sizeof("\0A\0m\0n"),
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.map_type = BPF_MAP_TYPE_ARRAY,
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.map_name = "size_check2_map",
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.key_size = sizeof(int),
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.value_size = 1,
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.key_type_id = 1,
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.value_type_id = 3,
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.max_entries = 4,
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.btf_load_err = true,
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.err_str = "Member exceeds struct_size",
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},
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/* Test member exeeds the size of struct
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*
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* struct A {
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* int m;
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* void *n;
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* };
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*/
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{
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.descr = "size check test #3",
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.raw_types = {
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/* int */ /* [1] */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
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/* void* */ /* [2] */
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BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
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/* struct A { */ /* [3] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) + sizeof(void *) - 1),
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BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
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BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* void *n; */
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/* } */
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BTF_END_RAW,
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},
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.str_sec = "\0A\0m\0n",
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.str_sec_size = sizeof("\0A\0m\0n"),
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.map_type = BPF_MAP_TYPE_ARRAY,
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.map_name = "size_check3_map",
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.key_size = sizeof(int),
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.value_size = 1,
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.key_type_id = 1,
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.value_type_id = 3,
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.max_entries = 4,
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.btf_load_err = true,
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.err_str = "Member exceeds struct_size",
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},
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/* Test member exceeds the size of struct
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*
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* enum E {
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* E0,
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* E1,
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* };
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*
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* struct A {
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* int m;
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* enum E n;
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* };
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*/
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{
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.descr = "size check test #4",
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.raw_types = {
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/* int */ /* [1] */
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BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
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/* enum E { */ /* [2] */
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BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)),
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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_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */
|
|
/* struct A { */ /* [5] */
|
|
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
|
|
/* const_void_ptr m; */
|
|
BTF_MEMBER_ENC(NAME_TBD, 4, 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 */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */
|
|
/* const_void_ptr[4] */
|
|
BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [5] */
|
|
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 = "typedef (invalid name, name_off = 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPEDEF_ENC(0, 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__int",
|
|
.str_sec_size = sizeof("\0__int"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "typedef_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "typedef (invalid name, invalid identifier)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__!int",
|
|
.str_sec_size = sizeof("\0__!int"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "typedef_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "ptr type (invalid name, name_off <> 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__int",
|
|
.str_sec_size = sizeof("\0__int"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "ptr_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "volatile type (invalid name, name_off <> 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__int",
|
|
.str_sec_size = sizeof("\0__int"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "volatile_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "const type (invalid name, name_off <> 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__int",
|
|
.str_sec_size = sizeof("\0__int"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "const_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "restrict type (invalid name, name_off <> 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), 2), /* [3] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__int",
|
|
.str_sec_size = sizeof("\0__int"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "restrict_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "fwd type (invalid name, name_off = 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__skb",
|
|
.str_sec_size = sizeof("\0__skb"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "fwd_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "fwd type (invalid name, invalid identifier)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__!skb",
|
|
.str_sec_size = sizeof("\0__!skb"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "fwd_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "array type (invalid name, name_off <> 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), /* [2] */
|
|
BTF_ARRAY_ENC(1, 1, 4),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0__skb",
|
|
.str_sec_size = sizeof("\0__skb"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "array_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "struct type (name_off = 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0,
|
|
BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0A",
|
|
.str_sec_size = sizeof("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "struct type (invalid name, invalid identifier)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0A!\0B",
|
|
.str_sec_size = sizeof("\0A!\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "struct member (name_off = 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0,
|
|
BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0A",
|
|
.str_sec_size = sizeof("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "struct member (invalid name, invalid identifier)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0A\0B*",
|
|
.str_sec_size = sizeof("\0A\0B*"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "enum type (name_off = 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0,
|
|
BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
|
|
sizeof(int)), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0A\0B",
|
|
.str_sec_size = sizeof("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "enum_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "enum type (invalid name, invalid identifier)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
|
|
sizeof(int)), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0A!\0B",
|
|
.str_sec_size = sizeof("\0A!\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "enum_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "enum member (invalid name, name_off = 0)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0,
|
|
BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
|
|
sizeof(int)), /* [2] */
|
|
BTF_ENUM_ENC(0, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "",
|
|
.str_sec_size = sizeof(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "enum_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "enum member (invalid name, invalid identifier)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0,
|
|
BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
|
|
sizeof(int)), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0A!",
|
|
.str_sec_size = sizeof("\0A!"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "enum_type_check_btf",
|
|
.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 name",
|
|
},
|
|
{
|
|
.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,
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (int (*)(int, unsigned int))",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* int (*)(int, unsigned int) */
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "",
|
|
.str_sec_size = sizeof(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (vararg)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int, unsigned int, ...) */
|
|
BTF_FUNC_PROTO_ENC(0, 3), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 2),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "",
|
|
.str_sec_size = sizeof(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (vararg with name)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int b, ... c) */
|
|
BTF_FUNC_PROTO_ENC(0, 3), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0b\0c",
|
|
.str_sec_size = sizeof("\0a\0b\0c"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 arg#3",
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (arg after vararg)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, ..., unsigned int b) */
|
|
BTF_FUNC_PROTO_ENC(0, 3), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 0),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0b",
|
|
.str_sec_size = sizeof("\0a\0b"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 arg#2",
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (CONST=>TYPEDEF=>PTR=>FUNC_PROTO)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* typedef void (*func_ptr)(int, unsigned int) */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 5), /* [3] */
|
|
/* const func_ptr */
|
|
BTF_CONST_ENC(3), /* [4] */
|
|
BTF_PTR_ENC(6), /* [5] */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [6] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0func_ptr",
|
|
.str_sec_size = sizeof("\0func_ptr"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (CONST=>TYPEDEF=>FUNC_PROTO)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
BTF_CONST_ENC(4), /* [3] */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 5), /* [4] */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [5] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0func_typedef",
|
|
.str_sec_size = sizeof("\0func_typedef"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 type_id",
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (btf_resolve(arg))",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
/* void (*)(const void *) */
|
|
BTF_FUNC_PROTO_ENC(0, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 3),
|
|
BTF_CONST_ENC(4), /* [3] */
|
|
BTF_PTR_ENC(0), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "",
|
|
.str_sec_size = sizeof(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (Not all arg has name)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int, unsigned int b) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0b",
|
|
.str_sec_size = sizeof("\0b"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (Bad arg name_off)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int <bad_name_off>) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0xffffffff, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a",
|
|
.str_sec_size = sizeof("\0a"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 arg#2",
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (Bad arg name)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int !!!) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0!!!",
|
|
.str_sec_size = sizeof("\0a\0!!!"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 arg#2",
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (Invalid return type)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* <bad_ret_type> (*)(int, unsigned int) */
|
|
BTF_FUNC_PROTO_ENC(100, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "",
|
|
.str_sec_size = sizeof(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 return type",
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (with func name)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void func_proto(int, unsigned int) */
|
|
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 2), 0), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 2),
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0func_proto",
|
|
.str_sec_size = sizeof("\0func_proto"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "func proto (const void arg)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(const void) */
|
|
BTF_FUNC_PROTO_ENC(0, 1), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 4),
|
|
BTF_CONST_ENC(0), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "",
|
|
.str_sec_size = sizeof(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 arg#1",
|
|
},
|
|
|
|
{
|
|
.descr = "func (void func(int a, unsigned int b))",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int b) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
/* void func(int a, unsigned int b) */
|
|
BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0b\0func",
|
|
.str_sec_size = sizeof("\0a\0b\0func"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "func (No func name)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int b) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
/* void <no_name>(int a, unsigned int b) */
|
|
BTF_FUNC_ENC(0, 3), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0b",
|
|
.str_sec_size = sizeof("\0a\0b"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "func (Invalid func name)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int b) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
/* void !!!(int a, unsigned int b) */
|
|
BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0b\0!!!",
|
|
.str_sec_size = sizeof("\0a\0b\0!!!"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_type_check_btf",
|
|
.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 name",
|
|
},
|
|
|
|
{
|
|
.descr = "func (Some arg has no name)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(0, 2),
|
|
/* void func(int a, unsigned int) */
|
|
BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0func",
|
|
.str_sec_size = sizeof("\0a\0func"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_type_check_btf",
|
|
.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 arg#2",
|
|
},
|
|
|
|
{
|
|
.descr = "func (Non zero vlen)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
|
|
/* void (*)(int a, unsigned int b) */
|
|
BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
/* void func(int a, unsigned int b) */
|
|
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 2), 3), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0a\0b\0func",
|
|
.str_sec_size = sizeof("\0a\0b\0func"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_type_check_btf",
|
|
.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 = "vlen != 0",
|
|
},
|
|
|
|
{
|
|
.descr = "func (Not referring to FUNC_PROTO)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_ENC(NAME_TBD, 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0func",
|
|
.str_sec_size = sizeof("\0func"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_type_check_btf",
|
|
.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 type_id",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid int kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 1, 0), 4), /* [2] */
|
|
BTF_INT_ENC(0, 0, 32),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "int_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid ptr kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 1, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "ptr_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid array kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 1, 0), 0), /* [2] */
|
|
BTF_ARRAY_ENC(1, 1, 1),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "array_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid enum kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 1, 1), 4), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "enum_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "valid fwd kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "fwd_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "invalid typedef kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(NAME_TBD,
|
|
BTF_INFO_ENC(BTF_KIND_TYPEDEF, 1, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "typedef_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid volatile kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 1, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "volatile_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid const kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 1, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "const_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid restrict kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 1, 0), 1), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "restrict_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid func kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 0), 0), /* [2] */
|
|
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 1, 0), 2), /* [3] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid func_proto kind_flag",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 1, 0), 0), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC(""),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "func_proto_type_check_btf",
|
|
.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 kind_flag",
|
|
},
|
|
|
|
{
|
|
.descr = "valid struct, kind_flag, bitfield_size = 0",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 8), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 32)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "valid struct, kind_flag, int member, bitfield_size != 0",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 4)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "valid union, kind_flag, int member, bitfield_size != 0",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "union_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "valid struct, kind_flag, enum member, bitfield_size != 0",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 4)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B\0C"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "valid union, kind_flag, enum member, bitfield_size != 0",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B\0C"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "union_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "valid struct, kind_flag, typedef member, bitfield_size != 0",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 4)),
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B\0C\0D\0E"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "valid union, kind_flag, typedef member, bitfield_size != 0",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 0)),
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B\0C\0D\0E"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "union_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "invalid struct, kind_flag, bitfield_size greater than struct size",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 20)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.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 = "Member exceeds struct_size",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid struct, kind_flag, bitfield base_type int not regular",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 20, 4), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 20)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.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 member base type",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid struct, kind_flag, base_type int not regular",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 12, 4), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 8)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.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 member base type",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid union, kind_flag, bitfield_size greater than struct size",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 2), /* [2] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(8, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "union_type_check_btf",
|
|
.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 = "Member exceeds struct_size",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid struct, kind_flag, int member, bitfield_size = 0, wrong byte alignment",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.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 member offset",
|
|
},
|
|
|
|
{
|
|
.descr = "invalid struct, kind_flag, enum member, bitfield_size = 0, wrong byte alignment",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B\0C"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.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 member offset",
|
|
},
|
|
|
|
{
|
|
.descr = "128-bit int",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "int_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "struct, 128-bit int member",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "struct, 120-bit int member bitfield",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 120, 16), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, 0),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "struct, kind_flag, 128-bit int member",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
{
|
|
.descr = "struct, kind_flag, 120-bit int member bitfield",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(120, 0)),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A"),
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.map_name = "struct_type_check_btf",
|
|
.key_size = sizeof(int),
|
|
.value_size = sizeof(int),
|
|
.key_type_id = 1,
|
|
.value_type_id = 1,
|
|
.max_entries = 4,
|
|
},
|
|
|
|
}; /* 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_raw_sec_size(const __u32 *raw_types)
|
|
{
|
|
int i;
|
|
|
|
for (i = MAX_NR_RAW_U32 - 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 **ret_next_str)
|
|
{
|
|
const char *next_str = str, *end_str = str + str_sec_size;
|
|
const char **strs_idx = NULL, **tmp_strs_idx;
|
|
int strs_cap = 0, strs_cnt = 0, next_str_idx = 0;
|
|
unsigned int size_needed, offset;
|
|
struct btf_header *ret_hdr;
|
|
int i, type_sec_size, err = 0;
|
|
uint32_t *ret_types;
|
|
void *raw_btf = NULL;
|
|
|
|
type_sec_size = get_raw_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);
|
|
|
|
/* Index strings */
|
|
while ((next_str = get_next_str(next_str, end_str))) {
|
|
if (strs_cnt == strs_cap) {
|
|
strs_cap += max(16, strs_cap / 2);
|
|
tmp_strs_idx = realloc(strs_idx,
|
|
sizeof(*strs_idx) * strs_cap);
|
|
if (CHECK(!tmp_strs_idx,
|
|
"Cannot allocate memory for strs_idx")) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
strs_idx = tmp_strs_idx;
|
|
}
|
|
strs_idx[strs_cnt++] = next_str;
|
|
next_str += strlen(next_str);
|
|
}
|
|
|
|
/* 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) {
|
|
if (CHECK(next_str_idx == strs_cnt,
|
|
"Error in getting next_str #%d",
|
|
next_str_idx)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
ret_types[i] = strs_idx[next_str_idx++] - str;
|
|
} else if (IS_NAME_NTH(raw_types[i])) {
|
|
int idx = GET_NAME_NTH_IDX(raw_types[i]);
|
|
|
|
if (CHECK(idx <= 0 || idx > strs_cnt,
|
|
"Error getting string #%d, strs_cnt:%d",
|
|
idx, strs_cnt)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
ret_types[i] = strs_idx[idx-1] - 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;
|
|
if (ret_next_str)
|
|
*ret_next_str =
|
|
next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL;
|
|
|
|
done:
|
|
if (err) {
|
|
if (raw_btf)
|
|
free(raw_btf);
|
|
if (strs_idx)
|
|
free(strs_idx);
|
|
return NULL;
|
|
}
|
|
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, NULL);
|
|
|
|
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_U32];
|
|
__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, NULL);
|
|
|
|
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, NULL);
|
|
|
|
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, NULL);
|
|
|
|
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, bool *has_btf_ext)
|
|
{
|
|
Elf_Scn *scn = NULL;
|
|
GElf_Ehdr ehdr;
|
|
int ret = 0;
|
|
int elf_fd;
|
|
Elf *elf;
|
|
|
|
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;
|
|
if (!strcmp(sh_name, BTF_EXT_ELF_SEC))
|
|
*has_btf_ext = true;
|
|
}
|
|
|
|
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];
|
|
const char *expected_fnames[] = {"_dummy_tracepoint",
|
|
"test_long_fname_1",
|
|
"test_long_fname_2"};
|
|
struct bpf_prog_info info = {};
|
|
struct bpf_object *obj = NULL;
|
|
struct bpf_func_info *finfo;
|
|
struct bpf_program *prog;
|
|
__u32 info_len, rec_size;
|
|
bool has_btf_ext = false;
|
|
struct btf *btf = NULL;
|
|
void *func_info = NULL;
|
|
struct bpf_map *map;
|
|
int i, err, prog_fd;
|
|
|
|
fprintf(stderr, "BTF libbpf test[%u] (%s): ", test_num,
|
|
test->file);
|
|
|
|
err = file_has_btf_elf(test->file, &has_btf_ext);
|
|
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;
|
|
prog_fd = bpf_program__fd(prog);
|
|
|
|
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;
|
|
|
|
if (!has_btf_ext)
|
|
goto skip;
|
|
|
|
/* get necessary program info */
|
|
info_len = sizeof(struct bpf_prog_info);
|
|
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
|
|
|
|
if (CHECK(err == -1, "invalid get info (1st) errno:%d", errno)) {
|
|
fprintf(stderr, "%s\n", btf_log_buf);
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(info.nr_func_info != 3,
|
|
"incorrect info.nr_func_info (1st) %d",
|
|
info.nr_func_info)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
rec_size = info.func_info_rec_size;
|
|
if (CHECK(rec_size != sizeof(struct bpf_func_info),
|
|
"incorrect info.func_info_rec_size (1st) %d\n", rec_size)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
func_info = malloc(info.nr_func_info * rec_size);
|
|
if (CHECK(!func_info, "out of memory")) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
/* reset info to only retrieve func_info related data */
|
|
memset(&info, 0, sizeof(info));
|
|
info.nr_func_info = 3;
|
|
info.func_info_rec_size = rec_size;
|
|
info.func_info = ptr_to_u64(func_info);
|
|
|
|
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
|
|
|
|
if (CHECK(err == -1, "invalid get info (2nd) errno:%d", errno)) {
|
|
fprintf(stderr, "%s\n", btf_log_buf);
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(info.nr_func_info != 3,
|
|
"incorrect info.nr_func_info (2nd) %d",
|
|
info.nr_func_info)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(info.func_info_rec_size != rec_size,
|
|
"incorrect info.func_info_rec_size (2nd) %d",
|
|
info.func_info_rec_size)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
err = btf__get_from_id(info.btf_id, &btf);
|
|
if (CHECK(err, "cannot get btf from kernel, err: %d", err))
|
|
goto done;
|
|
|
|
/* check three functions */
|
|
finfo = func_info;
|
|
for (i = 0; i < 3; i++) {
|
|
const struct btf_type *t;
|
|
const char *fname;
|
|
|
|
t = btf__type_by_id(btf, finfo->type_id);
|
|
if (CHECK(!t, "btf__type_by_id failure: id %u",
|
|
finfo->type_id)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
fname = btf__name_by_offset(btf, t->name_off);
|
|
err = strcmp(fname, expected_fnames[i]);
|
|
/* for the second and third functions in .text section,
|
|
* the compiler may order them either way.
|
|
*/
|
|
if (i && err)
|
|
err = strcmp(fname, expected_fnames[3 - i]);
|
|
if (CHECK(err, "incorrect fname %s", fname ? : "")) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
finfo = (void *)finfo + rec_size;
|
|
}
|
|
|
|
skip:
|
|
fprintf(stderr, "OK");
|
|
|
|
done:
|
|
free(func_info);
|
|
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;
|
|
uint32_t ui32b;
|
|
uint32_t bits2c:2;
|
|
};
|
|
|
|
#ifdef __SIZEOF_INT128__
|
|
struct pprint_mapv_int128 {
|
|
__int128 si128a;
|
|
__int128 si128b;
|
|
unsigned __int128 bits3:3;
|
|
unsigned __int128 bits80:80;
|
|
unsigned __int128 ui128;
|
|
};
|
|
#endif
|
|
|
|
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, 10), 40),
|
|
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_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */
|
|
BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_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\0ui32b\0bits2c"),
|
|
.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,
|
|
},
|
|
|
|
{
|
|
/* this type will have the same type as the
|
|
* first .raw_types definition, but struct type will
|
|
* be encoded with kind_flag set.
|
|
*/
|
|
.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),
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
|
|
/* 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, 1, 10), 40),
|
|
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
|
|
BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */
|
|
BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
|
|
BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
|
|
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
|
|
BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_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\0ui32b\0bits2c"),
|
|
.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,
|
|
},
|
|
|
|
{
|
|
/* this type will have the same layout as the
|
|
* first .raw_types definition. The struct type will
|
|
* be encoded with kind_flag set, bitfield members
|
|
* are added typedef/const/volatile, and bitfield members
|
|
* will have both int and enum types.
|
|
*/
|
|
.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),
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
|
|
BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
|
|
/* 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, 1, 10), 40),
|
|
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
|
|
BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */
|
|
BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
|
|
BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
|
|
BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
|
|
BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
|
|
/* typedef unsigned int ___int */ /* [17] */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 18),
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */
|
|
BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_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\0ui32b\0bits2c\0___int"),
|
|
.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,
|
|
},
|
|
|
|
#ifdef __SIZEOF_INT128__
|
|
{
|
|
/* test int128 */
|
|
.raw_types = {
|
|
/* unsigned int */ /* [1] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
|
|
/* __int128 */ /* [2] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16),
|
|
/* unsigned __int128 */ /* [3] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16),
|
|
/* struct pprint_mapv_int128 */ /* [4] */
|
|
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64),
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */
|
|
BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */
|
|
BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */
|
|
BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"),
|
|
.key_size = sizeof(unsigned int),
|
|
.value_size = sizeof(struct pprint_mapv_int128),
|
|
.key_type_id = 1,
|
|
.value_type_id = 4,
|
|
.max_entries = 128 * 1024,
|
|
.mapv_kind = PPRINT_MAPV_KIND_INT128,
|
|
},
|
|
#endif
|
|
|
|
};
|
|
|
|
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 size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)
|
|
{
|
|
if (mapv_kind == PPRINT_MAPV_KIND_BASIC)
|
|
return sizeof(struct pprint_mapv);
|
|
|
|
#ifdef __SIZEOF_INT128__
|
|
if (mapv_kind == PPRINT_MAPV_KIND_INT128)
|
|
return sizeof(struct pprint_mapv_int128);
|
|
#endif
|
|
|
|
assert(0);
|
|
}
|
|
|
|
static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,
|
|
void *mapv, uint32_t i,
|
|
int num_cpus, int rounded_value_size)
|
|
{
|
|
int cpu;
|
|
|
|
if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
|
|
struct pprint_mapv *v = mapv;
|
|
|
|
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->ui32b = 4;
|
|
v->bits2c = 1;
|
|
v = (void *)v + rounded_value_size;
|
|
}
|
|
}
|
|
|
|
#ifdef __SIZEOF_INT128__
|
|
if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
|
|
struct pprint_mapv_int128 *v = mapv;
|
|
|
|
for (cpu = 0; cpu < num_cpus; cpu++) {
|
|
v->si128a = i;
|
|
v->si128b = -i;
|
|
v->bits3 = i & 0x07;
|
|
v->bits80 = (((unsigned __int128)1) << 64) + i;
|
|
v->ui128 = (((unsigned __int128)2) << 64) + i;
|
|
v = (void *)v + rounded_value_size;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind,
|
|
char *expected_line, ssize_t line_size,
|
|
bool percpu_map, unsigned int next_key,
|
|
int cpu, void *mapv)
|
|
{
|
|
ssize_t nexpected_line = -1;
|
|
|
|
if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
|
|
struct pprint_mapv *v = mapv;
|
|
|
|
nexpected_line = snprintf(expected_line, line_size,
|
|
"%s%u: {%u,0,%d,0x%x,0x%x,0x%x,"
|
|
"{%lu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s,"
|
|
"%u,0x%x}\n",
|
|
percpu_map ? "\tcpu" : "",
|
|
percpu_map ? cpu : next_key,
|
|
v->ui32, v->si32,
|
|
v->unused_bits2a,
|
|
v->bits28,
|
|
v->unused_bits2b,
|
|
v->ui64,
|
|
v->ui8a[0], v->ui8a[1],
|
|
v->ui8a[2], v->ui8a[3],
|
|
v->ui8a[4], v->ui8a[5],
|
|
v->ui8a[6], v->ui8a[7],
|
|
pprint_enum_str[v->aenum],
|
|
v->ui32b,
|
|
v->bits2c);
|
|
}
|
|
|
|
#ifdef __SIZEOF_INT128__
|
|
if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
|
|
struct pprint_mapv_int128 *v = mapv;
|
|
|
|
nexpected_line = snprintf(expected_line, line_size,
|
|
"%s%u: {0x%lx,0x%lx,0x%lx,"
|
|
"0x%lx%016lx,0x%lx%016lx}\n",
|
|
percpu_map ? "\tcpu" : "",
|
|
percpu_map ? cpu : next_key,
|
|
(uint64_t)v->si128a,
|
|
(uint64_t)v->si128b,
|
|
(uint64_t)v->bits3,
|
|
(uint64_t)(v->bits80 >> 64),
|
|
(uint64_t)v->bits80,
|
|
(uint64_t)(v->ui128 >> 64),
|
|
(uint64_t)v->ui128);
|
|
}
|
|
#endif
|
|
|
|
return nexpected_line;
|
|
}
|
|
|
|
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(int test_num)
|
|
{
|
|
const struct btf_raw_test *test = &pprint_test_template[test_num];
|
|
enum pprint_mapv_kind_t mapv_kind = test->mapv_kind;
|
|
struct bpf_create_map_attr create_attr = {};
|
|
bool ordered_map, lossless_map, percpu_map;
|
|
int err, ret, num_cpus, rounded_value_size;
|
|
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;
|
|
void *mapv = NULL;
|
|
uint8_t *raw_btf;
|
|
ssize_t nread;
|
|
|
|
fprintf(stderr, "%s(#%d)......", test->descr, test_num);
|
|
raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types,
|
|
test->str_sec, test->str_sec_size,
|
|
&raw_btf_size, NULL);
|
|
|
|
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(get_pprint_mapv_size(mapv_kind), 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_kind, 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 {
|
|
ssize_t nexpected_line;
|
|
unsigned int next_key;
|
|
void *cmapv;
|
|
int cpu;
|
|
|
|
next_key = ordered_map ? nr_read_elems : atoi(line);
|
|
set_pprint_mapv(mapv_kind, 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 = get_pprint_expected_line(mapv_kind, expected_line,
|
|
sizeof(expected_line),
|
|
percpu_map, next_key,
|
|
cpu, cmapv);
|
|
err = check_line(expected_line, nexpected_line,
|
|
sizeof(expected_line), line);
|
|
if (err == -1)
|
|
goto done;
|
|
|
|
cmapv = 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;
|
|
|
|
/* test various maps with the first test template */
|
|
for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) {
|
|
pprint_test_template[0].descr = pprint_tests_meta[i].descr;
|
|
pprint_test_template[0].map_type = pprint_tests_meta[i].map_type;
|
|
pprint_test_template[0].map_name = pprint_tests_meta[i].map_name;
|
|
pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map;
|
|
pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map;
|
|
pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map;
|
|
|
|
err |= count_result(do_test_pprint(0));
|
|
}
|
|
|
|
/* test rest test templates with the first map */
|
|
for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) {
|
|
pprint_test_template[i].descr = pprint_tests_meta[0].descr;
|
|
pprint_test_template[i].map_type = pprint_tests_meta[0].map_type;
|
|
pprint_test_template[i].map_name = pprint_tests_meta[0].map_name;
|
|
pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map;
|
|
pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map;
|
|
pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map;
|
|
err |= count_result(do_test_pprint(i));
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
#define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \
|
|
(insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff))
|
|
|
|
static struct prog_info_raw_test {
|
|
const char *descr;
|
|
const char *str_sec;
|
|
const char *err_str;
|
|
__u32 raw_types[MAX_NR_RAW_U32];
|
|
__u32 str_sec_size;
|
|
struct bpf_insn insns[MAX_INSNS];
|
|
__u32 prog_type;
|
|
__u32 func_info[MAX_SUBPROGS][2];
|
|
__u32 func_info_rec_size;
|
|
__u32 func_info_cnt;
|
|
__u32 line_info[MAX_NR_RAW_U32];
|
|
__u32 line_info_rec_size;
|
|
__u32 nr_jited_ksyms;
|
|
bool expected_prog_load_failure;
|
|
__u32 dead_code_cnt;
|
|
__u32 dead_code_mask;
|
|
__u32 dead_func_cnt;
|
|
__u32 dead_func_mask;
|
|
} info_raw_tests[] = {
|
|
{
|
|
.descr = "func_type (main func + one sub)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
|
|
BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
|
|
.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 2),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info = { {0, 5}, {3, 6} },
|
|
.func_info_rec_size = 8,
|
|
.func_info_cnt = 2,
|
|
.line_info = { BTF_END_RAW },
|
|
},
|
|
|
|
{
|
|
.descr = "func_type (Incorrect func_info_rec_size)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
|
|
BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
|
|
.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 2),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info = { {0, 5}, {3, 6} },
|
|
.func_info_rec_size = 4,
|
|
.func_info_cnt = 2,
|
|
.line_info = { BTF_END_RAW },
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "func_type (Incorrect func_info_cnt)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
|
|
BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
|
|
.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 2),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info = { {0, 5}, {3, 6} },
|
|
.func_info_rec_size = 8,
|
|
.func_info_cnt = 1,
|
|
.line_info = { BTF_END_RAW },
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "func_type (Incorrect bpf_func_info.insn_off)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
|
|
BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
|
|
BTF_END_RAW,
|
|
},
|
|
.str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
|
|
.str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
|
|
.insns = {
|
|
BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 2),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info = { {0, 5}, {2, 6} },
|
|
.func_info_rec_size = 8,
|
|
.func_info_cnt = 2,
|
|
.line_info = { BTF_END_RAW },
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (No subprog)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_MOV64_IMM(BPF_REG_1, 2),
|
|
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 1,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (No subprog. insn_off >= prog->len)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_MOV64_IMM(BPF_REG_1, 2),
|
|
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
|
|
BPF_LINE_INFO_ENC(4, 0, 0, 5, 6),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 1,
|
|
.err_str = "line_info[4].insn_off",
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (Zero bpf insn code)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"),
|
|
.insns = {
|
|
BPF_LD_IMM64(BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(1, 0, 0, 2, 9),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 1,
|
|
.err_str = "Invalid insn code at line_info[1]",
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (No subprog. zero tailing line_info",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_MOV64_IMM(BPF_REG_1, 2),
|
|
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
|
|
BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0,
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
|
|
.nr_jited_ksyms = 1,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (No subprog. nonzero tailing line_info)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_MOV64_IMM(BPF_REG_1, 2),
|
|
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
|
|
BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1,
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
|
|
.nr_jited_ksyms = 1,
|
|
.err_str = "nonzero tailing record in line_info",
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (subprog)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (subprog + func_info)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 2,
|
|
.func_info_rec_size = 8,
|
|
.func_info = { {0, 4}, {5, 3} },
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (subprog. missing 1st func line info)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
.err_str = "missing bpf_line_info for func#0",
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (subprog. missing 2nd func line info)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
.err_str = "missing bpf_line_info for func#1",
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (subprog. unordered insn offset)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
.err_str = "Invalid line_info[2].insn_off",
|
|
.expected_prog_load_failure = true,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead start)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
|
|
.insns = {
|
|
BPF_JMP_IMM(BPF_JA, 0, 0, 0),
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_MOV64_IMM(BPF_REG_1, 2),
|
|
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
|
|
BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 1,
|
|
.dead_code_cnt = 1,
|
|
.dead_code_mask = 0x01,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead end)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 1),
|
|
BPF_MOV64_IMM(BPF_REG_1, 2),
|
|
BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 0,
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12),
|
|
BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11),
|
|
BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9),
|
|
BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 1,
|
|
.dead_code_cnt = 2,
|
|
.dead_code_mask = 0x28,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead code + subprog + func_info)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */"
|
|
"\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
|
|
"\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
|
|
"\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
|
|
BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 2,
|
|
.func_info_rec_size = 8,
|
|
.func_info = { {0, 4}, {14, 3} },
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8),
|
|
BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
.dead_code_cnt = 9,
|
|
.dead_code_mask = 0x3fe,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead subprog)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
|
|
"\0return 0;\0return 0;\0/* dead */\0/* dead */"
|
|
"\0/* dead */\0return bla + 1;\0return bla + 1;"
|
|
"\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
|
|
BPF_CALL_REL(3),
|
|
BPF_CALL_REL(5),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_REG(BPF_REG_0, 2),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 3,
|
|
.func_info_rec_size = 8,
|
|
.func_info = { {0, 4}, {6, 3}, {9, 5} },
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
.dead_code_cnt = 3,
|
|
.dead_code_mask = 0x70,
|
|
.dead_func_cnt = 1,
|
|
.dead_func_mask = 0x2,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead last subprog)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */"
|
|
"\0return 0;\0/* dead */\0/* dead */"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
|
|
BPF_CALL_REL(2),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 2,
|
|
.func_info_rec_size = 8,
|
|
.func_info = { {0, 4}, {5, 3} },
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 1,
|
|
.dead_code_cnt = 2,
|
|
.dead_code_mask = 0x18,
|
|
.dead_func_cnt = 1,
|
|
.dead_func_mask = 0x2,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead subprog + dead start)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */"
|
|
"\0return 0;\0return 0;\0return 0;"
|
|
"\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
|
|
"\0return b + 1;\0return b + 1;\0return b + 1;"),
|
|
.insns = {
|
|
BPF_JMP_IMM(BPF_JA, 0, 0, 0),
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
|
|
BPF_CALL_REL(3),
|
|
BPF_CALL_REL(5),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_JMP_IMM(BPF_JA, 0, 0, 0),
|
|
BPF_MOV64_REG(BPF_REG_0, 2),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 3,
|
|
.func_info_rec_size = 8,
|
|
.func_info = { {0, 4}, {7, 3}, {10, 5} },
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
|
|
BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
.dead_code_cnt = 5,
|
|
.dead_code_mask = 0x1e2,
|
|
.dead_func_cnt = 1,
|
|
.dead_func_mask = 0x2,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead subprog + dead start w/ move)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
|
|
"\0return 0;\0return 0;\0/* dead */\0/* dead */"
|
|
"\0/* dead */\0return bla + 1;\0return bla + 1;"
|
|
"\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_2, 1),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
|
|
BPF_CALL_REL(3),
|
|
BPF_CALL_REL(5),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_CALL_REL(1),
|
|
BPF_EXIT_INSN(),
|
|
BPF_JMP_IMM(BPF_JA, 0, 0, 0),
|
|
BPF_MOV64_REG(BPF_REG_0, 2),
|
|
BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 3,
|
|
.func_info_rec_size = 8,
|
|
.func_info = { {0, 4}, {6, 3}, {9, 5} },
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
.dead_code_cnt = 3,
|
|
.dead_code_mask = 0x70,
|
|
.dead_func_cnt = 1,
|
|
.dead_func_mask = 0x2,
|
|
},
|
|
|
|
{
|
|
.descr = "line_info (dead end + subprog start w/ no linfo)",
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
|
|
BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"),
|
|
.insns = {
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3),
|
|
BPF_CALL_REL(3),
|
|
BPF_MOV64_IMM(BPF_REG_0, 0),
|
|
BPF_EXIT_INSN(),
|
|
BPF_EXIT_INSN(),
|
|
BPF_JMP_IMM(BPF_JA, 0, 0, 0),
|
|
BPF_EXIT_INSN(),
|
|
},
|
|
.prog_type = BPF_PROG_TYPE_TRACEPOINT,
|
|
.func_info_cnt = 2,
|
|
.func_info_rec_size = 8,
|
|
.func_info = { {0, 3}, {6, 4}, },
|
|
.line_info = {
|
|
BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
|
|
BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
|
|
BTF_END_RAW,
|
|
},
|
|
.line_info_rec_size = sizeof(struct bpf_line_info),
|
|
.nr_jited_ksyms = 2,
|
|
},
|
|
|
|
};
|
|
|
|
static size_t probe_prog_length(const struct bpf_insn *fp)
|
|
{
|
|
size_t len;
|
|
|
|
for (len = MAX_INSNS - 1; len > 0; --len)
|
|
if (fp[len].code != 0 || fp[len].imm != 0)
|
|
break;
|
|
return len + 1;
|
|
}
|
|
|
|
static __u32 *patch_name_tbd(const __u32 *raw_u32,
|
|
const char *str, __u32 str_off,
|
|
unsigned int str_sec_size,
|
|
unsigned int *ret_size)
|
|
{
|
|
int i, raw_u32_size = get_raw_sec_size(raw_u32);
|
|
const char *end_str = str + str_sec_size;
|
|
const char *next_str = str + str_off;
|
|
__u32 *new_u32 = NULL;
|
|
|
|
if (raw_u32_size == -1)
|
|
return ERR_PTR(-EINVAL);
|
|
|
|
if (!raw_u32_size) {
|
|
*ret_size = 0;
|
|
return NULL;
|
|
}
|
|
|
|
new_u32 = malloc(raw_u32_size);
|
|
if (!new_u32)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) {
|
|
if (raw_u32[i] == NAME_TBD) {
|
|
next_str = get_next_str(next_str, end_str);
|
|
if (CHECK(!next_str, "Error in getting next_str\n")) {
|
|
free(new_u32);
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
new_u32[i] = next_str - str;
|
|
next_str += strlen(next_str);
|
|
} else {
|
|
new_u32[i] = raw_u32[i];
|
|
}
|
|
}
|
|
|
|
*ret_size = raw_u32_size;
|
|
return new_u32;
|
|
}
|
|
|
|
static int test_get_finfo(const struct prog_info_raw_test *test,
|
|
int prog_fd)
|
|
{
|
|
struct bpf_prog_info info = {};
|
|
struct bpf_func_info *finfo;
|
|
__u32 info_len, rec_size, i;
|
|
void *func_info = NULL;
|
|
__u32 nr_func_info;
|
|
int err;
|
|
|
|
/* get necessary lens */
|
|
info_len = sizeof(struct bpf_prog_info);
|
|
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
|
|
if (CHECK(err == -1, "invalid get info (1st) errno:%d", errno)) {
|
|
fprintf(stderr, "%s\n", btf_log_buf);
|
|
return -1;
|
|
}
|
|
nr_func_info = test->func_info_cnt - test->dead_func_cnt;
|
|
if (CHECK(info.nr_func_info != nr_func_info,
|
|
"incorrect info.nr_func_info (1st) %d",
|
|
info.nr_func_info)) {
|
|
return -1;
|
|
}
|
|
|
|
rec_size = info.func_info_rec_size;
|
|
if (CHECK(rec_size != sizeof(struct bpf_func_info),
|
|
"incorrect info.func_info_rec_size (1st) %d", rec_size)) {
|
|
return -1;
|
|
}
|
|
|
|
if (!info.nr_func_info)
|
|
return 0;
|
|
|
|
func_info = malloc(info.nr_func_info * rec_size);
|
|
if (CHECK(!func_info, "out of memory"))
|
|
return -1;
|
|
|
|
/* reset info to only retrieve func_info related data */
|
|
memset(&info, 0, sizeof(info));
|
|
info.nr_func_info = nr_func_info;
|
|
info.func_info_rec_size = rec_size;
|
|
info.func_info = ptr_to_u64(func_info);
|
|
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
|
|
if (CHECK(err == -1, "invalid get info (2nd) errno:%d", errno)) {
|
|
fprintf(stderr, "%s\n", btf_log_buf);
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(info.nr_func_info != nr_func_info,
|
|
"incorrect info.nr_func_info (2nd) %d",
|
|
info.nr_func_info)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(info.func_info_rec_size != rec_size,
|
|
"incorrect info.func_info_rec_size (2nd) %d",
|
|
info.func_info_rec_size)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
finfo = func_info;
|
|
for (i = 0; i < nr_func_info; i++) {
|
|
if (test->dead_func_mask & (1 << i))
|
|
continue;
|
|
if (CHECK(finfo->type_id != test->func_info[i][1],
|
|
"incorrect func_type %u expected %u",
|
|
finfo->type_id, test->func_info[i][1])) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
finfo = (void *)finfo + rec_size;
|
|
}
|
|
|
|
err = 0;
|
|
|
|
done:
|
|
free(func_info);
|
|
return err;
|
|
}
|
|
|
|
static int test_get_linfo(const struct prog_info_raw_test *test,
|
|
const void *patched_linfo,
|
|
__u32 cnt, int prog_fd)
|
|
{
|
|
__u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens;
|
|
__u64 *jited_linfo = NULL, *jited_ksyms = NULL;
|
|
__u32 rec_size, jited_rec_size, jited_cnt;
|
|
struct bpf_line_info *linfo = NULL;
|
|
__u32 cur_func_len, ksyms_found;
|
|
struct bpf_prog_info info = {};
|
|
__u32 *jited_func_lens = NULL;
|
|
__u64 cur_func_ksyms;
|
|
__u32 dead_insns;
|
|
int err;
|
|
|
|
jited_cnt = cnt;
|
|
rec_size = sizeof(*linfo);
|
|
jited_rec_size = sizeof(*jited_linfo);
|
|
if (test->nr_jited_ksyms)
|
|
nr_jited_ksyms = test->nr_jited_ksyms;
|
|
else
|
|
nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt;
|
|
nr_jited_func_lens = nr_jited_ksyms;
|
|
|
|
info_len = sizeof(struct bpf_prog_info);
|
|
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
|
|
if (CHECK(err == -1, "err:%d errno:%d", err, errno)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
if (!info.jited_prog_len) {
|
|
/* prog is not jited */
|
|
jited_cnt = 0;
|
|
nr_jited_ksyms = 1;
|
|
nr_jited_func_lens = 1;
|
|
}
|
|
|
|
if (CHECK(info.nr_line_info != cnt ||
|
|
info.nr_jited_line_info != jited_cnt ||
|
|
info.nr_jited_ksyms != nr_jited_ksyms ||
|
|
info.nr_jited_func_lens != nr_jited_func_lens ||
|
|
(!info.nr_line_info && info.nr_jited_line_info),
|
|
"info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) nr_jited_ksyms:%u(expected:%u) nr_jited_func_lens:%u(expected:%u)",
|
|
info.nr_line_info, cnt,
|
|
info.nr_jited_line_info, jited_cnt,
|
|
info.nr_jited_ksyms, nr_jited_ksyms,
|
|
info.nr_jited_func_lens, nr_jited_func_lens)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) ||
|
|
info.jited_line_info_rec_size != sizeof(__u64),
|
|
"info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)",
|
|
info.line_info_rec_size, rec_size,
|
|
info.jited_line_info_rec_size, jited_rec_size)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
if (!cnt)
|
|
return 0;
|
|
|
|
rec_size = info.line_info_rec_size;
|
|
jited_rec_size = info.jited_line_info_rec_size;
|
|
|
|
memset(&info, 0, sizeof(info));
|
|
|
|
linfo = calloc(cnt, rec_size);
|
|
if (CHECK(!linfo, "!linfo")) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
info.nr_line_info = cnt;
|
|
info.line_info_rec_size = rec_size;
|
|
info.line_info = ptr_to_u64(linfo);
|
|
|
|
if (jited_cnt) {
|
|
jited_linfo = calloc(jited_cnt, jited_rec_size);
|
|
jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms));
|
|
jited_func_lens = calloc(nr_jited_func_lens,
|
|
sizeof(*jited_func_lens));
|
|
if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens,
|
|
"jited_linfo:%p jited_ksyms:%p jited_func_lens:%p",
|
|
jited_linfo, jited_ksyms, jited_func_lens)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
info.nr_jited_line_info = jited_cnt;
|
|
info.jited_line_info_rec_size = jited_rec_size;
|
|
info.jited_line_info = ptr_to_u64(jited_linfo);
|
|
info.nr_jited_ksyms = nr_jited_ksyms;
|
|
info.jited_ksyms = ptr_to_u64(jited_ksyms);
|
|
info.nr_jited_func_lens = nr_jited_func_lens;
|
|
info.jited_func_lens = ptr_to_u64(jited_func_lens);
|
|
}
|
|
|
|
err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len);
|
|
|
|
/*
|
|
* Only recheck the info.*line_info* fields.
|
|
* Other fields are not the concern of this test.
|
|
*/
|
|
if (CHECK(err == -1 ||
|
|
info.nr_line_info != cnt ||
|
|
(jited_cnt && !info.jited_line_info) ||
|
|
info.nr_jited_line_info != jited_cnt ||
|
|
info.line_info_rec_size != rec_size ||
|
|
info.jited_line_info_rec_size != jited_rec_size,
|
|
"err:%d errno:%d info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) line_info_rec_size:%u(expected:%u) jited_linfo_rec_size:%u(expected:%u) line_info:%p jited_line_info:%p",
|
|
err, errno,
|
|
info.nr_line_info, cnt,
|
|
info.nr_jited_line_info, jited_cnt,
|
|
info.line_info_rec_size, rec_size,
|
|
info.jited_line_info_rec_size, jited_rec_size,
|
|
(void *)(long)info.line_info,
|
|
(void *)(long)info.jited_line_info)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
dead_insns = 0;
|
|
while (test->dead_code_mask & (1 << dead_insns))
|
|
dead_insns++;
|
|
|
|
CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u",
|
|
linfo[0].insn_off);
|
|
for (i = 1; i < cnt; i++) {
|
|
const struct bpf_line_info *expected_linfo;
|
|
|
|
while (test->dead_code_mask & (1 << (i + dead_insns)))
|
|
dead_insns++;
|
|
|
|
expected_linfo = patched_linfo +
|
|
((i + dead_insns) * test->line_info_rec_size);
|
|
if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off,
|
|
"linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u",
|
|
i, linfo[i].insn_off,
|
|
i - 1, linfo[i - 1].insn_off)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off ||
|
|
linfo[i].line_off != expected_linfo->line_off ||
|
|
linfo[i].line_col != expected_linfo->line_col,
|
|
"linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i,
|
|
linfo[i].file_name_off,
|
|
linfo[i].line_off,
|
|
linfo[i].line_col,
|
|
expected_linfo->file_name_off,
|
|
expected_linfo->line_off,
|
|
expected_linfo->line_col)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (!jited_cnt) {
|
|
fprintf(stderr, "not jited. skipping jited_line_info check. ");
|
|
err = 0;
|
|
goto done;
|
|
}
|
|
|
|
if (CHECK(jited_linfo[0] != jited_ksyms[0],
|
|
"jited_linfo[0]:%lx != jited_ksyms[0]:%lx",
|
|
(long)(jited_linfo[0]), (long)(jited_ksyms[0]))) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
ksyms_found = 1;
|
|
cur_func_len = jited_func_lens[0];
|
|
cur_func_ksyms = jited_ksyms[0];
|
|
for (i = 1; i < jited_cnt; i++) {
|
|
if (ksyms_found < nr_jited_ksyms &&
|
|
jited_linfo[i] == jited_ksyms[ksyms_found]) {
|
|
cur_func_ksyms = jited_ksyms[ksyms_found];
|
|
cur_func_len = jited_ksyms[ksyms_found];
|
|
ksyms_found++;
|
|
continue;
|
|
}
|
|
|
|
if (CHECK(jited_linfo[i] <= jited_linfo[i - 1],
|
|
"jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx",
|
|
i, (long)jited_linfo[i],
|
|
i - 1, (long)(jited_linfo[i - 1]))) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len,
|
|
"jited_linfo[%u]:%lx - %lx > %u",
|
|
i, (long)jited_linfo[i], (long)cur_func_ksyms,
|
|
cur_func_len)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if (CHECK(ksyms_found != nr_jited_ksyms,
|
|
"ksyms_found:%u != nr_jited_ksyms:%u",
|
|
ksyms_found, nr_jited_ksyms)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
err = 0;
|
|
|
|
done:
|
|
free(linfo);
|
|
free(jited_linfo);
|
|
free(jited_ksyms);
|
|
free(jited_func_lens);
|
|
return err;
|
|
}
|
|
|
|
static int do_test_info_raw(unsigned int test_num)
|
|
{
|
|
const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1];
|
|
unsigned int raw_btf_size, linfo_str_off, linfo_size;
|
|
int btf_fd = -1, prog_fd = -1, err = 0;
|
|
void *raw_btf, *patched_linfo = NULL;
|
|
const char *ret_next_str;
|
|
union bpf_attr attr = {};
|
|
|
|
fprintf(stderr, "BTF prog info 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, &ret_next_str);
|
|
|
|
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, "invalid btf_fd errno:%d", errno)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
if (*btf_log_buf && args.always_log)
|
|
fprintf(stderr, "\n%s", btf_log_buf);
|
|
*btf_log_buf = '\0';
|
|
|
|
linfo_str_off = ret_next_str - test->str_sec;
|
|
patched_linfo = patch_name_tbd(test->line_info,
|
|
test->str_sec, linfo_str_off,
|
|
test->str_sec_size, &linfo_size);
|
|
if (IS_ERR(patched_linfo)) {
|
|
fprintf(stderr, "error in creating raw bpf_line_info");
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
attr.prog_type = test->prog_type;
|
|
attr.insns = ptr_to_u64(test->insns);
|
|
attr.insn_cnt = probe_prog_length(test->insns);
|
|
attr.license = ptr_to_u64("GPL");
|
|
attr.prog_btf_fd = btf_fd;
|
|
attr.func_info_rec_size = test->func_info_rec_size;
|
|
attr.func_info_cnt = test->func_info_cnt;
|
|
attr.func_info = ptr_to_u64(test->func_info);
|
|
attr.log_buf = ptr_to_u64(btf_log_buf);
|
|
attr.log_size = BTF_LOG_BUF_SIZE;
|
|
attr.log_level = 1;
|
|
if (linfo_size) {
|
|
attr.line_info_rec_size = test->line_info_rec_size;
|
|
attr.line_info = ptr_to_u64(patched_linfo);
|
|
attr.line_info_cnt = linfo_size / attr.line_info_rec_size;
|
|
}
|
|
|
|
prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
|
|
err = ((prog_fd == -1) != test->expected_prog_load_failure);
|
|
if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d",
|
|
prog_fd, test->expected_prog_load_failure, errno) ||
|
|
CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
|
|
"expected err_str:%s", test->err_str)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
if (prog_fd == -1)
|
|
goto done;
|
|
|
|
err = test_get_finfo(test, prog_fd);
|
|
if (err)
|
|
goto done;
|
|
|
|
err = test_get_linfo(test, patched_linfo,
|
|
attr.line_info_cnt - test->dead_code_cnt,
|
|
prog_fd);
|
|
if (err)
|
|
goto done;
|
|
|
|
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 (prog_fd != -1)
|
|
close(prog_fd);
|
|
|
|
if (!IS_ERR(patched_linfo))
|
|
free(patched_linfo);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int test_info_raw(void)
|
|
{
|
|
unsigned int i;
|
|
int err = 0;
|
|
|
|
if (args.info_raw_test_num)
|
|
return count_result(do_test_info_raw(args.info_raw_test_num));
|
|
|
|
for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++)
|
|
err |= count_result(do_test_info_raw(i));
|
|
|
|
return err;
|
|
}
|
|
|
|
struct btf_raw_data {
|
|
__u32 raw_types[MAX_NR_RAW_U32];
|
|
const char *str_sec;
|
|
__u32 str_sec_size;
|
|
};
|
|
|
|
struct btf_dedup_test {
|
|
const char *descr;
|
|
struct btf_raw_data input;
|
|
struct btf_raw_data expect;
|
|
struct btf_dedup_opts opts;
|
|
};
|
|
|
|
const struct btf_dedup_test dedup_tests[] = {
|
|
|
|
{
|
|
.descr = "dedup: unused strings filtering",
|
|
.input = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"),
|
|
},
|
|
.expect = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0long"),
|
|
},
|
|
.opts = {
|
|
.dont_resolve_fwds = false,
|
|
},
|
|
},
|
|
{
|
|
.descr = "dedup: strings deduplication",
|
|
.input = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0long int\0int\0long int\0int"),
|
|
},
|
|
.expect = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0long int"),
|
|
},
|
|
.opts = {
|
|
.dont_resolve_fwds = false,
|
|
},
|
|
},
|
|
{
|
|
.descr = "dedup: struct example #1",
|
|
/*
|
|
* struct s {
|
|
* struct s *next;
|
|
* const int *a;
|
|
* int b[16];
|
|
* int c;
|
|
* }
|
|
*/
|
|
.input = {
|
|
.raw_types = {
|
|
/* int */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
/* int[16] */
|
|
BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
|
|
/* struct s { */
|
|
BTF_STRUCT_ENC(NAME_NTH(2), 4, 84), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */
|
|
BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */
|
|
BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */
|
|
BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */
|
|
/* ptr -> [3] struct s */
|
|
BTF_PTR_ENC(3), /* [4] */
|
|
/* ptr -> [6] const int */
|
|
BTF_PTR_ENC(6), /* [5] */
|
|
/* const -> [1] int */
|
|
BTF_CONST_ENC(1), /* [6] */
|
|
|
|
/* full copy of the above */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [7] */
|
|
BTF_TYPE_ARRAY_ENC(7, 7, 16), /* [8] */
|
|
BTF_STRUCT_ENC(NAME_NTH(2), 4, 84), /* [9] */
|
|
BTF_MEMBER_ENC(NAME_NTH(3), 10, 0),
|
|
BTF_MEMBER_ENC(NAME_NTH(4), 11, 64),
|
|
BTF_MEMBER_ENC(NAME_NTH(5), 8, 128),
|
|
BTF_MEMBER_ENC(NAME_NTH(6), 7, 640),
|
|
BTF_PTR_ENC(9), /* [10] */
|
|
BTF_PTR_ENC(12), /* [11] */
|
|
BTF_CONST_ENC(7), /* [12] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0"),
|
|
},
|
|
.expect = {
|
|
.raw_types = {
|
|
/* int */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
|
|
/* int[16] */
|
|
BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
|
|
/* struct s { */
|
|
BTF_STRUCT_ENC(NAME_NTH(6), 4, 84), /* [3] */
|
|
BTF_MEMBER_ENC(NAME_NTH(5), 4, 0), /* struct s *next; */
|
|
BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */
|
|
BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */
|
|
BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */
|
|
/* ptr -> [3] struct s */
|
|
BTF_PTR_ENC(3), /* [4] */
|
|
/* ptr -> [6] const int */
|
|
BTF_PTR_ENC(6), /* [5] */
|
|
/* const -> [1] int */
|
|
BTF_CONST_ENC(1), /* [6] */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0a\0b\0c\0int\0next\0s"),
|
|
},
|
|
.opts = {
|
|
.dont_resolve_fwds = false,
|
|
},
|
|
},
|
|
{
|
|
.descr = "dedup: all possible kinds (no duplicates)",
|
|
.input = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
|
|
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_ENUM_ENC(NAME_TBD, 1),
|
|
BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
|
|
BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
|
|
BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
|
|
BTF_PTR_ENC(0), /* [8] ptr */
|
|
BTF_CONST_ENC(8), /* [9] const */
|
|
BTF_VOLATILE_ENC(8), /* [10] volatile */
|
|
BTF_RESTRICT_ENC(8), /* [11] restrict */
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8),
|
|
BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M"),
|
|
},
|
|
.expect = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
|
|
BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
|
|
BTF_ENUM_ENC(NAME_TBD, 0),
|
|
BTF_ENUM_ENC(NAME_TBD, 1),
|
|
BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
|
|
BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
|
|
BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
|
|
BTF_MEMBER_ENC(NAME_TBD, 1, 0),
|
|
BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
|
|
BTF_PTR_ENC(0), /* [8] ptr */
|
|
BTF_CONST_ENC(8), /* [9] const */
|
|
BTF_VOLATILE_ENC(8), /* [10] volatile */
|
|
BTF_RESTRICT_ENC(8), /* [11] restrict */
|
|
BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
|
|
BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 8),
|
|
BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M"),
|
|
},
|
|
.opts = {
|
|
.dont_resolve_fwds = false,
|
|
},
|
|
},
|
|
{
|
|
.descr = "dedup: no int duplicates",
|
|
.input = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
|
|
/* different name */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
|
|
/* different encoding */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
|
|
/* different bit offset */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
|
|
/* different bit size */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
|
|
/* different byte size */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0some other int"),
|
|
},
|
|
.expect = {
|
|
.raw_types = {
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
|
|
/* different name */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
|
|
/* different encoding */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
|
|
/* different bit offset */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
|
|
/* different bit size */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
|
|
/* different byte size */
|
|
BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
|
|
BTF_END_RAW,
|
|
},
|
|
BTF_STR_SEC("\0int\0some other int"),
|
|
},
|
|
.opts = {
|
|
.dont_resolve_fwds = false,
|
|
},
|
|
},
|
|
|
|
};
|
|
|
|
static int btf_type_size(const struct btf_type *t)
|
|
{
|
|
int base_size = sizeof(struct btf_type);
|
|
__u16 vlen = BTF_INFO_VLEN(t->info);
|
|
__u16 kind = BTF_INFO_KIND(t->info);
|
|
|
|
switch (kind) {
|
|
case BTF_KIND_FWD:
|
|
case BTF_KIND_CONST:
|
|
case BTF_KIND_VOLATILE:
|
|
case BTF_KIND_RESTRICT:
|
|
case BTF_KIND_PTR:
|
|
case BTF_KIND_TYPEDEF:
|
|
case BTF_KIND_FUNC:
|
|
return base_size;
|
|
case BTF_KIND_INT:
|
|
return base_size + sizeof(__u32);
|
|
case BTF_KIND_ENUM:
|
|
return base_size + vlen * sizeof(struct btf_enum);
|
|
case BTF_KIND_ARRAY:
|
|
return base_size + sizeof(struct btf_array);
|
|
case BTF_KIND_STRUCT:
|
|
case BTF_KIND_UNION:
|
|
return base_size + vlen * sizeof(struct btf_member);
|
|
case BTF_KIND_FUNC_PROTO:
|
|
return base_size + vlen * sizeof(struct btf_param);
|
|
default:
|
|
fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
static void dump_btf_strings(const char *strs, __u32 len)
|
|
{
|
|
const char *cur = strs;
|
|
int i = 0;
|
|
|
|
while (cur < strs + len) {
|
|
fprintf(stderr, "string #%d: '%s'\n", i, cur);
|
|
cur += strlen(cur) + 1;
|
|
i++;
|
|
}
|
|
}
|
|
|
|
static int do_test_dedup(unsigned int test_num)
|
|
{
|
|
const struct btf_dedup_test *test = &dedup_tests[test_num - 1];
|
|
int err = 0, i;
|
|
__u32 test_nr_types, expect_nr_types, test_str_len, expect_str_len;
|
|
void *raw_btf;
|
|
unsigned int raw_btf_size;
|
|
struct btf *test_btf = NULL, *expect_btf = NULL;
|
|
const char *ret_test_next_str, *ret_expect_next_str;
|
|
const char *test_strs, *expect_strs;
|
|
const char *test_str_cur, *test_str_end;
|
|
const char *expect_str_cur, *expect_str_end;
|
|
|
|
fprintf(stderr, "BTF dedup test[%u] (%s):", test_num, test->descr);
|
|
|
|
raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types,
|
|
test->input.str_sec, test->input.str_sec_size,
|
|
&raw_btf_size, &ret_test_next_str);
|
|
if (!raw_btf)
|
|
return -1;
|
|
test_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
|
|
free(raw_btf);
|
|
if (CHECK(IS_ERR(test_btf), "invalid test_btf errno:%ld",
|
|
PTR_ERR(test_btf))) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types,
|
|
test->expect.str_sec,
|
|
test->expect.str_sec_size,
|
|
&raw_btf_size, &ret_expect_next_str);
|
|
if (!raw_btf)
|
|
return -1;
|
|
expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
|
|
free(raw_btf);
|
|
if (CHECK(IS_ERR(expect_btf), "invalid expect_btf errno:%ld",
|
|
PTR_ERR(expect_btf))) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
err = btf__dedup(test_btf, NULL, &test->opts);
|
|
if (CHECK(err, "btf_dedup failed errno:%d", err)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
btf__get_strings(test_btf, &test_strs, &test_str_len);
|
|
btf__get_strings(expect_btf, &expect_strs, &expect_str_len);
|
|
if (CHECK(test_str_len != expect_str_len,
|
|
"test_str_len:%u != expect_str_len:%u",
|
|
test_str_len, expect_str_len)) {
|
|
fprintf(stderr, "\ntest strings:\n");
|
|
dump_btf_strings(test_strs, test_str_len);
|
|
fprintf(stderr, "\nexpected strings:\n");
|
|
dump_btf_strings(expect_strs, expect_str_len);
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
test_str_cur = test_strs;
|
|
test_str_end = test_strs + test_str_len;
|
|
expect_str_cur = expect_strs;
|
|
expect_str_end = expect_strs + expect_str_len;
|
|
while (test_str_cur < test_str_end && expect_str_cur < expect_str_end) {
|
|
size_t test_len, expect_len;
|
|
|
|
test_len = strlen(test_str_cur);
|
|
expect_len = strlen(expect_str_cur);
|
|
if (CHECK(test_len != expect_len,
|
|
"test_len:%zu != expect_len:%zu "
|
|
"(test_str:%s, expect_str:%s)",
|
|
test_len, expect_len, test_str_cur, expect_str_cur)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(strcmp(test_str_cur, expect_str_cur),
|
|
"test_str:%s != expect_str:%s",
|
|
test_str_cur, expect_str_cur)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
test_str_cur += test_len + 1;
|
|
expect_str_cur += expect_len + 1;
|
|
}
|
|
if (CHECK(test_str_cur != test_str_end,
|
|
"test_str_cur:%p != test_str_end:%p",
|
|
test_str_cur, test_str_end)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
test_nr_types = btf__get_nr_types(test_btf);
|
|
expect_nr_types = btf__get_nr_types(expect_btf);
|
|
if (CHECK(test_nr_types != expect_nr_types,
|
|
"test_nr_types:%u != expect_nr_types:%u",
|
|
test_nr_types, expect_nr_types)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
|
|
for (i = 1; i <= test_nr_types; i++) {
|
|
const struct btf_type *test_type, *expect_type;
|
|
int test_size, expect_size;
|
|
|
|
test_type = btf__type_by_id(test_btf, i);
|
|
expect_type = btf__type_by_id(expect_btf, i);
|
|
test_size = btf_type_size(test_type);
|
|
expect_size = btf_type_size(expect_type);
|
|
|
|
if (CHECK(test_size != expect_size,
|
|
"type #%d: test_size:%d != expect_size:%u",
|
|
i, test_size, expect_size)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
if (CHECK(memcmp((void *)test_type,
|
|
(void *)expect_type,
|
|
test_size),
|
|
"type #%d: contents differ", i)) {
|
|
err = -1;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
done:
|
|
if (!err)
|
|
fprintf(stderr, "OK");
|
|
if (!IS_ERR(test_btf))
|
|
btf__free(test_btf);
|
|
if (!IS_ERR(expect_btf))
|
|
btf__free(expect_btf);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int test_dedup(void)
|
|
{
|
|
unsigned int i;
|
|
int err = 0;
|
|
|
|
if (args.dedup_test_num)
|
|
return count_result(do_test_dedup(args.dedup_test_num));
|
|
|
|
for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++)
|
|
err |= count_result(do_test_dedup(i));
|
|
|
|
return err;
|
|
}
|
|
|
|
static void usage(const char *cmd)
|
|
{
|
|
fprintf(stderr, "Usage: %s [-l] [[-r btf_raw_test_num (1 - %zu)] |\n"
|
|
"\t[-g btf_get_info_test_num (1 - %zu)] |\n"
|
|
"\t[-f btf_file_test_num (1 - %zu)] |\n"
|
|
"\t[-k btf_prog_info_raw_test_num (1 - %zu)] |\n"
|
|
"\t[-p (pretty print test)] |\n"
|
|
"\t[-d btf_dedup_test_num (1 - %zu)]]\n",
|
|
cmd, ARRAY_SIZE(raw_tests), ARRAY_SIZE(get_info_tests),
|
|
ARRAY_SIZE(file_tests), ARRAY_SIZE(info_raw_tests),
|
|
ARRAY_SIZE(dedup_tests));
|
|
}
|
|
|
|
static int parse_args(int argc, char **argv)
|
|
{
|
|
const char *optstr = "hlpk:f:r:g:d:";
|
|
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 'k':
|
|
args.info_raw_test_num = atoi(optarg);
|
|
args.info_raw_test = true;
|
|
break;
|
|
case 'd':
|
|
args.dedup_test_num = atoi(optarg);
|
|
args.dedup_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;
|
|
}
|
|
|
|
if (args.info_raw_test_num &&
|
|
(args.info_raw_test_num < 1 ||
|
|
args.info_raw_test_num > ARRAY_SIZE(info_raw_tests))) {
|
|
fprintf(stderr, "BTF prog info raw test number must be [1 - %zu]\n",
|
|
ARRAY_SIZE(info_raw_tests));
|
|
return -1;
|
|
}
|
|
|
|
if (args.dedup_test_num &&
|
|
(args.dedup_test_num < 1 ||
|
|
args.dedup_test_num > ARRAY_SIZE(dedup_tests))) {
|
|
fprintf(stderr, "BTF dedup test number must be [1 - %zu]\n",
|
|
ARRAY_SIZE(dedup_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);
|
|
|
|
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.info_raw_test)
|
|
err |= test_info_raw();
|
|
|
|
if (args.dedup_test)
|
|
err |= test_dedup();
|
|
|
|
if (args.raw_test || args.get_info_test || args.file_test ||
|
|
args.pprint_test || args.info_raw_test || args.dedup_test)
|
|
goto done;
|
|
|
|
err |= test_raw();
|
|
err |= test_get_info();
|
|
err |= test_file();
|
|
err |= test_info_raw();
|
|
err |= test_dedup();
|
|
|
|
done:
|
|
print_summary();
|
|
return err;
|
|
}
|