1/* SPDX-License-Identifier: GPL-2.0 */
2
3/* Stage 3 definitions for creating trace events */
4
5#undef __entry
6#define __entry field
7
8#undef TP_printk
9#define TP_printk(fmt, args...) fmt "\n", args
10
11#undef __get_dynamic_array
12#define __get_dynamic_array(field) \
13 ((void *)__entry + (__entry->__data_loc_##field & 0xffff))
14
15#undef __get_dynamic_array_len
16#define __get_dynamic_array_len(field) \
17 ((__entry->__data_loc_##field >> 16) & 0xffff)
18
19#undef __get_str
20#define __get_str(field) ((char *)__get_dynamic_array(field))
21
22#undef __get_rel_dynamic_array
23#define __get_rel_dynamic_array(field) \
24 ((void *)__entry + \
25 offsetof(typeof(*__entry), __rel_loc_##field) + \
26 sizeof(__entry->__rel_loc_##field) + \
27 (__entry->__rel_loc_##field & 0xffff))
28
29#undef __get_rel_dynamic_array_len
30#define __get_rel_dynamic_array_len(field) \
31 ((__entry->__rel_loc_##field >> 16) & 0xffff)
32
33#undef __get_rel_str
34#define __get_rel_str(field) ((char *)__get_rel_dynamic_array(field))
35
36#undef __get_bitmask
37#define __get_bitmask(field) \
38 ({ \
39 void *__bitmask = __get_dynamic_array(field); \
40 unsigned int __bitmask_size; \
41 __bitmask_size = __get_dynamic_array_len(field); \
42 trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \
43 })
44
45#undef __get_cpumask
46#define __get_cpumask(field) __get_bitmask(field)
47
48#undef __get_rel_bitmask
49#define __get_rel_bitmask(field) \
50 ({ \
51 void *__bitmask = __get_rel_dynamic_array(field); \
52 unsigned int __bitmask_size; \
53 __bitmask_size = __get_rel_dynamic_array_len(field); \
54 trace_print_bitmask_seq(p, __bitmask, __bitmask_size); \
55 })
56
57#undef __get_rel_cpumask
58#define __get_rel_cpumask(field) __get_rel_bitmask(field)
59
60#undef __get_sockaddr
61#define __get_sockaddr(field) ((struct sockaddr *)__get_dynamic_array(field))
62
63#undef __get_rel_sockaddr
64#define __get_rel_sockaddr(field) ((struct sockaddr *)__get_rel_dynamic_array(field))
65
66#undef __print_flags
67#define __print_flags(flag, delim, flag_array...) \
68 ({ \
69 static const struct trace_print_flags __flags[] = \
70 { flag_array, { -1, NULL }}; \
71 trace_print_flags_seq(p, delim, flag, __flags); \
72 })
73
74#undef __print_symbolic
75#define __print_symbolic(value, symbol_array...) \
76 ({ \
77 static const struct trace_print_flags symbols[] = \
78 { symbol_array, { -1, NULL }}; \
79 trace_print_symbols_seq(p, value, symbols); \
80 })
81
82#undef __print_flags_u64
83#undef __print_symbolic_u64
84#if BITS_PER_LONG == 32
85#define __print_flags_u64(flag, delim, flag_array...) \
86 ({ \
87 static const struct trace_print_flags_u64 __flags[] = \
88 { flag_array, { -1, NULL } }; \
89 trace_print_flags_seq_u64(p, delim, flag, __flags); \
90 })
91
92#define __print_symbolic_u64(value, symbol_array...) \
93 ({ \
94 static const struct trace_print_flags_u64 symbols[] = \
95 { symbol_array, { -1, NULL } }; \
96 trace_print_symbols_seq_u64(p, value, symbols); \
97 })
98#else
99#define __print_flags_u64(flag, delim, flag_array...) \
100 __print_flags(flag, delim, flag_array)
101
102#define __print_symbolic_u64(value, symbol_array...) \
103 __print_symbolic(value, symbol_array)
104#endif
105
106#undef __print_hex
107#define __print_hex(buf, buf_len) \
108 trace_print_hex_seq(p, buf, buf_len, false)
109
110#undef __print_hex_str
111#define __print_hex_str(buf, buf_len) \
112 trace_print_hex_seq(p, buf, buf_len, true)
113
114#undef __print_array
115#define __print_array(array, count, el_size) \
116 ({ \
117 BUILD_BUG_ON(el_size != 1 && el_size != 2 && \
118 el_size != 4 && el_size != 8); \
119 trace_print_array_seq(p, array, count, el_size); \
120 })
121
122#undef __print_hex_dump
123#define __print_hex_dump(prefix_str, prefix_type, \
124 rowsize, groupsize, buf, len, ascii) \
125 trace_print_hex_dump_seq(p, prefix_str, prefix_type, \
126 rowsize, groupsize, buf, len, ascii)
127
128#undef __print_ns_to_secs
129#define __print_ns_to_secs(value) \
130 ({ \
131 u64 ____val = (u64)(value); \
132 do_div(____val, NSEC_PER_SEC); \
133 ____val; \
134 })
135
136#undef __print_ns_without_secs
137#define __print_ns_without_secs(value) \
138 ({ \
139 u64 ____val = (u64)(value); \
140 (u32) do_div(____val, NSEC_PER_SEC); \
141 })
142
143#undef __get_buf
144#define __get_buf(len) trace_seq_acquire(p, (len))
145

source code of linux/include/trace/stages/stage3_trace_output.h