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1c8284eb MD |
1 | #ifndef _LTT_TYPE_SERIALIZER_H |
2 | #define _LTT_TYPE_SERIALIZER_H | |
3 | ||
4 | #include <linux/if.h> /* For IFNAMSIZ */ | |
5 | ||
6 | #include "ltt-tracer.h" | |
7 | ||
8 | /* | |
9 | * largest_align must be non-zero, equal to the minimum between the largest type | |
10 | * and sizeof(void *). | |
11 | */ | |
1c25284c | 12 | extern void _ltt_specialized_trace(void *probe_data, |
1c8284eb MD |
13 | void *serialize_private, unsigned int data_size, |
14 | unsigned int largest_align); | |
15 | ||
16 | /* | |
17 | * Statically check that 0 < largest_align < sizeof(void *) to make sure it is | |
18 | * dumb-proof. It will make sure 0 is changed into 1 and unsigned long long is | |
19 | * changed into sizeof(void *) on 32-bit architectures. | |
20 | */ | |
1c25284c | 21 | static inline void ltt_specialized_trace(void *probe_data, |
1c8284eb MD |
22 | void *serialize_private, unsigned int data_size, |
23 | unsigned int largest_align) | |
24 | { | |
25 | largest_align = min_t(unsigned int, largest_align, sizeof(void *)); | |
26 | largest_align = max_t(unsigned int, largest_align, 1); | |
1c25284c | 27 | _ltt_specialized_trace(probe_data, serialize_private, data_size, |
1c8284eb MD |
28 | largest_align); |
29 | } | |
30 | ||
31 | /* | |
32 | * Type serializer definitions. | |
33 | */ | |
34 | ||
35 | /* | |
36 | * Return size of structure without end-of-structure padding. | |
37 | */ | |
38 | #define serialize_sizeof(type) offsetof(typeof(type), end_field) | |
39 | ||
40 | struct serialize_long_int { | |
41 | unsigned long f1; | |
42 | unsigned int f2; | |
43 | unsigned char end_field[0]; | |
7514523f | 44 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
45 | |
46 | struct serialize_int_int_long { | |
47 | unsigned int f1; | |
48 | unsigned int f2; | |
49 | unsigned long f3; | |
50 | unsigned char end_field[0]; | |
7514523f | 51 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
52 | |
53 | struct serialize_int_int_short { | |
54 | unsigned int f1; | |
55 | unsigned int f2; | |
56 | unsigned short f3; | |
57 | unsigned char end_field[0]; | |
7514523f | 58 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
59 | |
60 | struct serialize_long_long_long { | |
61 | unsigned long f1; | |
62 | unsigned long f2; | |
63 | unsigned long f3; | |
64 | unsigned char end_field[0]; | |
7514523f | 65 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
66 | |
67 | struct serialize_long_long_int { | |
68 | unsigned long f1; | |
69 | unsigned long f2; | |
70 | unsigned int f3; | |
71 | unsigned char end_field[0]; | |
7514523f | 72 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
73 | |
74 | struct serialize_long_long_short_char { | |
75 | unsigned long f1; | |
76 | unsigned long f2; | |
77 | unsigned short f3; | |
78 | unsigned char f4; | |
79 | unsigned char end_field[0]; | |
7514523f | 80 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
81 | |
82 | struct serialize_long_long_short { | |
83 | unsigned long f1; | |
84 | unsigned long f2; | |
85 | unsigned short f3; | |
86 | unsigned char end_field[0]; | |
7514523f | 87 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
88 | |
89 | struct serialize_long_short_char { | |
90 | unsigned long f1; | |
91 | unsigned short f2; | |
92 | unsigned char f3; | |
93 | unsigned char end_field[0]; | |
7514523f | 94 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
95 | |
96 | struct serialize_long_short { | |
97 | unsigned long f1; | |
98 | unsigned short f2; | |
99 | unsigned char end_field[0]; | |
7514523f | 100 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
101 | |
102 | struct serialize_long_char { | |
103 | unsigned long f1; | |
104 | unsigned char f2; | |
105 | unsigned char end_field[0]; | |
7514523f | 106 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
107 | |
108 | struct serialize_long_ifname { | |
109 | unsigned long f1; | |
110 | unsigned char f2[IFNAMSIZ]; | |
111 | unsigned char end_field[0]; | |
7514523f | 112 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
113 | |
114 | struct serialize_sizet_int { | |
115 | size_t f1; | |
116 | unsigned int f2; | |
117 | unsigned char end_field[0]; | |
7514523f | 118 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
119 | |
120 | struct serialize_long_long_sizet_int { | |
121 | unsigned long f1; | |
122 | unsigned long f2; | |
123 | size_t f3; | |
124 | unsigned int f4; | |
125 | unsigned char end_field[0]; | |
7514523f | 126 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
127 | |
128 | struct serialize_long_long_sizet_int_int { | |
129 | unsigned long f1; | |
130 | unsigned long f2; | |
131 | size_t f3; | |
132 | unsigned int f4; | |
133 | unsigned int f5; | |
134 | unsigned char end_field[0]; | |
7514523f | 135 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
136 | |
137 | struct serialize_l4421224411111 { | |
138 | unsigned long f1; | |
139 | uint32_t f2; | |
140 | uint32_t f3; | |
141 | uint16_t f4; | |
142 | uint8_t f5; | |
143 | uint16_t f6; | |
144 | uint16_t f7; | |
145 | uint32_t f8; | |
146 | uint32_t f9; | |
147 | uint8_t f10; | |
148 | uint8_t f11; | |
149 | uint8_t f12; | |
150 | uint8_t f13; | |
151 | uint8_t f14; | |
152 | unsigned char end_field[0]; | |
7514523f | 153 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
154 | |
155 | struct serialize_l214421224411111 { | |
156 | unsigned long f1; | |
157 | uint16_t f2; | |
158 | uint8_t f3; | |
159 | uint32_t f4; | |
160 | uint32_t f5; | |
161 | uint16_t f6; | |
162 | uint8_t f7; | |
163 | uint16_t f8; | |
164 | uint16_t f9; | |
165 | uint32_t f10; | |
166 | uint32_t f11; | |
167 | uint8_t f12; | |
168 | uint8_t f13; | |
169 | uint8_t f14; | |
170 | uint8_t f15; | |
171 | uint8_t f16; | |
172 | uint8_t end_field[0]; | |
7514523f | 173 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb MD |
174 | |
175 | struct serialize_l4412228 { | |
176 | unsigned long f1; | |
177 | uint32_t f2; | |
178 | uint32_t f3; | |
179 | uint8_t f4; | |
180 | uint16_t f5; | |
181 | uint16_t f6; | |
182 | uint16_t f7; | |
183 | uint64_t f8; | |
184 | unsigned char end_field[0]; | |
7514523f | 185 | } RING_BUFFER_ALIGN_ATTR; |
1c8284eb | 186 | #endif /* _LTT_TYPE_SERIALIZER_H */ |