1 /* SPDX-License-Identifier: GPL-2.0 */
3 /* Stage 6 definitions for creating trace events */
5 /* Reuse some of the stage 3 macros */
6 #include "stage3_trace_output.h"
12 #define __field(type, item)
15 #define __field_struct(type, item)
18 #define __array(type, item, len)
20 #undef __dynamic_array
21 #define __dynamic_array(type, item, len) \
22 __entry->__data_loc_##item = __data_offsets.item;
25 #define __string(item, src) __dynamic_array(char, item, -1)
28 #define __string_len(item, src, len) __dynamic_array(char, item, -1)
31 #define __vstring(item, fmt, ap) __dynamic_array(char, item, -1)
34 #define __assign_str(dst, src) \
36 char *__str__ = __get_str(dst); \
37 int __len__ = __get_dynamic_array_len(dst) - 1; \
38 WARN_ON_ONCE(__builtin_constant_p(src) ? \
39 strcmp((src), __data_offsets.dst##_ptr_) : \
40 (src) != __data_offsets.dst##_ptr_); \
41 memcpy(__str__, __data_offsets.dst##_ptr_ ? : \
42 EVENT_NULL_STR, __len__); \
43 __str__[__len__] = '\0'; \
47 #define __assign_vstr(dst, fmt, va) \
50 va_copy(__cp_va, *(va)); \
51 vsnprintf(__get_str(dst), TRACE_EVENT_STR_MAX, fmt, __cp_va); \
56 #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
59 #define __get_bitmask(field) (char *)__get_dynamic_array(field)
61 #undef __assign_bitmask
62 #define __assign_bitmask(dst, src, nr_bits) \
63 memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
66 #define __cpumask(item) __dynamic_array(unsigned long, item, -1)
69 #define __get_cpumask(field) (char *)__get_dynamic_array(field)
71 #undef __assign_cpumask
72 #define __assign_cpumask(dst, src) \
73 memcpy(__get_cpumask(dst), (src), __bitmask_size_in_bytes(nr_cpumask_bits))
76 #define __sockaddr(field, len) __dynamic_array(u8, field, len)
79 #define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
81 #undef __assign_sockaddr
82 #define __assign_sockaddr(dest, src, len) \
83 memcpy(__get_dynamic_array(dest), src, len)
85 #undef __rel_dynamic_array
86 #define __rel_dynamic_array(type, item, len) \
87 __entry->__rel_loc_##item = __data_offsets.item;
90 #define __rel_string(item, src) __rel_dynamic_array(char, item, -1)
92 #undef __rel_string_len
93 #define __rel_string_len(item, src, len) __rel_dynamic_array(char, item, -1)
95 #undef __assign_rel_str
96 #define __assign_rel_str(dst) \
98 char *__str__ = __get_rel_str(dst); \
99 int __len__ = __get_rel_dynamic_array_len(dst) - 1; \
100 memcpy(__str__, __data_offsets.dst##_ptr_ ? : \
101 EVENT_NULL_STR, __len__); \
102 __str__[__len__] = '\0'; \
106 #define __rel_bitmask(item, nr_bits) __rel_dynamic_array(unsigned long, item, -1)
108 #undef __get_rel_bitmask
109 #define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
111 #undef __assign_rel_bitmask
112 #define __assign_rel_bitmask(dst, src, nr_bits) \
113 memcpy(__get_rel_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
116 #define __rel_cpumask(item) __rel_dynamic_array(unsigned long, item, -1)
118 #undef __get_rel_cpumask
119 #define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
121 #undef __assign_rel_cpumask
122 #define __assign_rel_cpumask(dst, src) \
123 memcpy(__get_rel_cpumask(dst), (src), __bitmask_size_in_bytes(nr_cpumask_bits))
125 #undef __rel_sockaddr
126 #define __rel_sockaddr(field, len) __rel_dynamic_array(u8, field, len)
128 #undef __get_rel_sockaddr
129 #define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
131 #undef __assign_rel_sockaddr
132 #define __assign_rel_sockaddr(dest, src, len) \
133 memcpy(__get_rel_dynamic_array(dest), src, len)
135 #undef TP_fast_assign
136 #define TP_fast_assign(args...) args
139 #define __perf_count(c) (c)
142 #define __perf_task(t) (t)