1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Stage 6 definitions for creating trace events */
9 #define __field(type, item)
12 #define __field_struct(type, item)
15 #define __array(type, item, len)
17 #undef __dynamic_array
18 #define __dynamic_array(type, item, len) \
19 __entry->__data_loc_##item = __data_offsets.item;
22 #define __string(item, src) __dynamic_array(char, item, -1)
25 #define __string_len(item, src, len) __dynamic_array(char, item, -1)
28 #define __vstring(item, fmt, ap) __dynamic_array(char, item, -1)
31 #define __assign_str(dst, src) \
32 strcpy(__get_str(dst), (src) ? (const char *)(src) : "(null)");
34 #undef __assign_str_len
35 #define __assign_str_len(dst, src, len) \
37 memcpy(__get_str(dst), (src), (len)); \
38 __get_str(dst)[len] = '\0'; \
42 #define __assign_vstr(dst, fmt, va) \
45 va_copy(__cp_va, *(va)); \
46 vsnprintf(__get_str(dst), TRACE_EVENT_STR_MAX, fmt, __cp_va); \
51 #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
54 #define __get_bitmask(field) (char *)__get_dynamic_array(field)
56 #undef __assign_bitmask
57 #define __assign_bitmask(dst, src, nr_bits) \
58 memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
61 #define __sockaddr(field, len) __dynamic_array(u8, field, len)
64 #define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
66 #undef __assign_sockaddr
67 #define __assign_sockaddr(dest, src, len) \
68 memcpy(__get_dynamic_array(dest), src, len)
70 #undef __rel_dynamic_array
71 #define __rel_dynamic_array(type, item, len) \
72 __entry->__rel_loc_##item = __data_offsets.item;
75 #define __rel_string(item, src) __rel_dynamic_array(char, item, -1)
77 #undef __rel_string_len
78 #define __rel_string_len(item, src, len) __rel_dynamic_array(char, item, -1)
80 #undef __assign_rel_str
81 #define __assign_rel_str(dst, src) \
82 strcpy(__get_rel_str(dst), (src) ? (const char *)(src) : "(null)");
84 #undef __assign_rel_str_len
85 #define __assign_rel_str_len(dst, src, len) \
87 memcpy(__get_rel_str(dst), (src), (len)); \
88 __get_rel_str(dst)[len] = '\0'; \
92 #define __rel_bitmask(item, nr_bits) __rel_dynamic_array(unsigned long, item, -1)
94 #undef __get_rel_bitmask
95 #define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
97 #undef __assign_rel_bitmask
98 #define __assign_rel_bitmask(dst, src, nr_bits) \
99 memcpy(__get_rel_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
101 #undef __rel_sockaddr
102 #define __rel_sockaddr(field, len) __rel_dynamic_array(u8, field, len)
104 #undef __get_rel_sockaddr
105 #define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
107 #undef __assign_rel_sockaddr
108 #define __assign_rel_sockaddr(dest, src, len) \
109 memcpy(__get_rel_dynamic_array(dest), src, len)
111 #undef TP_fast_assign
112 #define TP_fast_assign(args...) args
115 #define __perf_count(c) (c)
118 #define __perf_task(t) (t)