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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 | */ | |
12 | extern void _ltt_specialized_trace(const struct marker *mdata, void *probe_data, | |
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 | */ | |
21 | static inline void ltt_specialized_trace(const struct marker *mdata, | |
22 | void *probe_data, | |
23 | void *serialize_private, unsigned int data_size, | |
24 | unsigned int largest_align) | |
25 | { | |
26 | largest_align = min_t(unsigned int, largest_align, sizeof(void *)); | |
27 | largest_align = max_t(unsigned int, largest_align, 1); | |
28 | _ltt_specialized_trace(mdata, probe_data, serialize_private, data_size, | |
29 | largest_align); | |
30 | } | |
31 | ||
32 | /* | |
33 | * Type serializer definitions. | |
34 | */ | |
35 | ||
36 | /* | |
37 | * Return size of structure without end-of-structure padding. | |
38 | */ | |
39 | #define serialize_sizeof(type) offsetof(typeof(type), end_field) | |
40 | ||
41 | struct serialize_long_int { | |
42 | unsigned long f1; | |
43 | unsigned int f2; | |
44 | unsigned char end_field[0]; | |
45 | } LTT_ALIGN; | |
46 | ||
47 | struct serialize_int_int_long { | |
48 | unsigned int f1; | |
49 | unsigned int f2; | |
50 | unsigned long f3; | |
51 | unsigned char end_field[0]; | |
52 | } LTT_ALIGN; | |
53 | ||
54 | struct serialize_int_int_short { | |
55 | unsigned int f1; | |
56 | unsigned int f2; | |
57 | unsigned short f3; | |
58 | unsigned char end_field[0]; | |
59 | } LTT_ALIGN; | |
60 | ||
61 | struct serialize_long_long_long { | |
62 | unsigned long f1; | |
63 | unsigned long f2; | |
64 | unsigned long f3; | |
65 | unsigned char end_field[0]; | |
66 | } LTT_ALIGN; | |
67 | ||
68 | struct serialize_long_long_int { | |
69 | unsigned long f1; | |
70 | unsigned long f2; | |
71 | unsigned int f3; | |
72 | unsigned char end_field[0]; | |
73 | } LTT_ALIGN; | |
74 | ||
75 | struct serialize_long_long_short_char { | |
76 | unsigned long f1; | |
77 | unsigned long f2; | |
78 | unsigned short f3; | |
79 | unsigned char f4; | |
80 | unsigned char end_field[0]; | |
81 | } LTT_ALIGN; | |
82 | ||
83 | struct serialize_long_long_short { | |
84 | unsigned long f1; | |
85 | unsigned long f2; | |
86 | unsigned short f3; | |
87 | unsigned char end_field[0]; | |
88 | } LTT_ALIGN; | |
89 | ||
90 | struct serialize_long_short_char { | |
91 | unsigned long f1; | |
92 | unsigned short f2; | |
93 | unsigned char f3; | |
94 | unsigned char end_field[0]; | |
95 | } LTT_ALIGN; | |
96 | ||
97 | struct serialize_long_short { | |
98 | unsigned long f1; | |
99 | unsigned short f2; | |
100 | unsigned char end_field[0]; | |
101 | } LTT_ALIGN; | |
102 | ||
103 | struct serialize_long_char { | |
104 | unsigned long f1; | |
105 | unsigned char f2; | |
106 | unsigned char end_field[0]; | |
107 | } LTT_ALIGN; | |
108 | ||
109 | struct serialize_long_ifname { | |
110 | unsigned long f1; | |
111 | unsigned char f2[IFNAMSIZ]; | |
112 | unsigned char end_field[0]; | |
113 | } LTT_ALIGN; | |
114 | ||
115 | struct serialize_sizet_int { | |
116 | size_t f1; | |
117 | unsigned int f2; | |
118 | unsigned char end_field[0]; | |
119 | } LTT_ALIGN; | |
120 | ||
121 | struct serialize_long_long_sizet_int { | |
122 | unsigned long f1; | |
123 | unsigned long f2; | |
124 | size_t f3; | |
125 | unsigned int f4; | |
126 | unsigned char end_field[0]; | |
127 | } LTT_ALIGN; | |
128 | ||
129 | struct serialize_long_long_sizet_int_int { | |
130 | unsigned long f1; | |
131 | unsigned long f2; | |
132 | size_t f3; | |
133 | unsigned int f4; | |
134 | unsigned int f5; | |
135 | unsigned char end_field[0]; | |
136 | } LTT_ALIGN; | |
137 | ||
138 | struct serialize_l4421224411111 { | |
139 | unsigned long f1; | |
140 | uint32_t f2; | |
141 | uint32_t f3; | |
142 | uint16_t f4; | |
143 | uint8_t f5; | |
144 | uint16_t f6; | |
145 | uint16_t f7; | |
146 | uint32_t f8; | |
147 | uint32_t f9; | |
148 | uint8_t f10; | |
149 | uint8_t f11; | |
150 | uint8_t f12; | |
151 | uint8_t f13; | |
152 | uint8_t f14; | |
153 | unsigned char end_field[0]; | |
154 | } LTT_ALIGN; | |
155 | ||
156 | struct serialize_l214421224411111 { | |
157 | unsigned long f1; | |
158 | uint16_t f2; | |
159 | uint8_t f3; | |
160 | uint32_t f4; | |
161 | uint32_t f5; | |
162 | uint16_t f6; | |
163 | uint8_t f7; | |
164 | uint16_t f8; | |
165 | uint16_t f9; | |
166 | uint32_t f10; | |
167 | uint32_t f11; | |
168 | uint8_t f12; | |
169 | uint8_t f13; | |
170 | uint8_t f14; | |
171 | uint8_t f15; | |
172 | uint8_t f16; | |
173 | uint8_t end_field[0]; | |
174 | } LTT_ALIGN; | |
175 | ||
176 | struct serialize_l4412228 { | |
177 | unsigned long f1; | |
178 | uint32_t f2; | |
179 | uint32_t f3; | |
180 | uint8_t f4; | |
181 | uint16_t f5; | |
182 | uint16_t f6; | |
183 | uint16_t f7; | |
184 | uint64_t f8; | |
185 | unsigned char end_field[0]; | |
186 | } LTT_ALIGN; | |
187 | #endif /* _LTT_TYPE_SERIALIZER_H */ |