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(!(void *)(src) != !(void *)__data_offsets.dst##_ptr_); \
39 WARN_ON_ONCE((src) && strcmp((src), __data_offsets.dst##_ptr_)); \
40 memcpy(__str__, __data_offsets.dst##_ptr_ ? : \
41 EVENT_NULL_STR, __len__); \
42 __str__[__len__] = '\0'; \
46 #define __assign_vstr(dst, fmt, va) \
49 va_copy(__cp_va, *(va)); \
50 vsnprintf(__get_str(dst), TRACE_EVENT_STR_MAX, fmt, __cp_va); \
55 #define __bitmask(item, nr_bits) __dynamic_array(unsigned long, item, -1)
58 #define __get_bitmask(field) (char *)__get_dynamic_array(field)
60 #undef __assign_bitmask
61 #define __assign_bitmask(dst, src, nr_bits) \
62 memcpy(__get_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
65 #define __cpumask(item) __dynamic_array(unsigned long, item, -1)
68 #define __get_cpumask(field) (char *)__get_dynamic_array(field)
70 #undef __assign_cpumask
71 #define __assign_cpumask(dst, src) \
72 memcpy(__get_cpumask(dst), (src), __bitmask_size_in_bytes(nr_cpumask_bits))
75 #define __sockaddr(field, len) __dynamic_array(u8, field, len)
78 #define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
80 #undef __assign_sockaddr
81 #define __assign_sockaddr(dest, src, len) \
82 memcpy(__get_dynamic_array(dest), src, len)
84 #undef __rel_dynamic_array
85 #define __rel_dynamic_array(type, item, len) \
86 __entry->__rel_loc_##item = __data_offsets.item;
89 #define __rel_string(item, src) __rel_dynamic_array(char, item, -1)
91 #undef __rel_string_len
92 #define __rel_string_len(item, src, len) __rel_dynamic_array(char, item, -1)
94 #undef __assign_rel_str
95 #define __assign_rel_str(dst) \
97 char *__str__ = __get_rel_str(dst); \
98 int __len__ = __get_rel_dynamic_array_len(dst) - 1; \
99 memcpy(__str__, __data_offsets.dst##_ptr_ ? : \
100 EVENT_NULL_STR, __len__); \
101 __str__[__len__] = '\0'; \
105 #define __rel_bitmask(item, nr_bits) __rel_dynamic_array(unsigned long, item, -1)
107 #undef __get_rel_bitmask
108 #define __get_rel_bitmask(field) (char *)__get_rel_dynamic_array(field)
110 #undef __assign_rel_bitmask
111 #define __assign_rel_bitmask(dst, src, nr_bits) \
112 memcpy(__get_rel_bitmask(dst), (src), __bitmask_size_in_bytes(nr_bits))
115 #define __rel_cpumask(item) __rel_dynamic_array(unsigned long, item, -1)
117 #undef __get_rel_cpumask
118 #define __get_rel_cpumask(field) (char *)__get_rel_dynamic_array(field)
120 #undef __assign_rel_cpumask
121 #define __assign_rel_cpumask(dst, src) \
122 memcpy(__get_rel_cpumask(dst), (src), __bitmask_size_in_bytes(nr_cpumask_bits))
124 #undef __rel_sockaddr
125 #define __rel_sockaddr(field, len) __rel_dynamic_array(u8, field, len)
127 #undef __get_rel_sockaddr
128 #define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
130 #undef __assign_rel_sockaddr
131 #define __assign_rel_sockaddr(dest, src, len) \
132 memcpy(__get_rel_dynamic_array(dest), src, len)
134 #undef TP_fast_assign
135 #define TP_fast_assign(args...) args
138 #define __perf_count(c) (c)
141 #define __perf_task(t) (t)