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53569322 | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: LGPL-2.1-only |
53569322 MD |
3 | * |
4 | * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
5 | * | |
c0c0989a | 6 | * UST dynamic type implementation. |
53569322 MD |
7 | */ |
8 | ||
3fbec7dc | 9 | #define _LGPL_SOURCE |
53569322 MD |
10 | #include <stdio.h> |
11 | #include <stdint.h> | |
12 | #include <stddef.h> | |
13 | #include <inttypes.h> | |
14 | ||
864a1eda | 15 | #include <ust-helper.h> |
ae4b659d | 16 | #include <ust-dynamic-type.h> |
53569322 | 17 | |
a6f80644 MD |
18 | #define ctf_enum_value(_string, _value) \ |
19 | { \ | |
20 | .start = { \ | |
21 | .signedness = lttng_is_signed_type(__typeof__(_value)), \ | |
22 | .value = lttng_is_signed_type(__typeof__(_value)) ? \ | |
23 | (long long) (_value) : (_value), \ | |
24 | }, \ | |
25 | .end = { \ | |
26 | .signedness = lttng_is_signed_type(__typeof__(_value)), \ | |
27 | .value = lttng_is_signed_type(__typeof__(_value)) ? \ | |
28 | (long long) (_value) : (_value), \ | |
29 | }, \ | |
30 | .string = (_string), \ | |
53569322 | 31 | }, |
a6f80644 MD |
32 | |
33 | static const struct lttng_enum_entry dt_enum[_NR_LTTNG_UST_DYNAMIC_TYPES] = { | |
34 | [LTTNG_UST_DYNAMIC_TYPE_NONE] = ctf_enum_value("_none", 0) | |
35 | [LTTNG_UST_DYNAMIC_TYPE_S8] = ctf_enum_value("_int8", 1) | |
36 | [LTTNG_UST_DYNAMIC_TYPE_S16] = ctf_enum_value("_int16", 2) | |
37 | [LTTNG_UST_DYNAMIC_TYPE_S32] = ctf_enum_value("_int32", 3) | |
38 | [LTTNG_UST_DYNAMIC_TYPE_S64] = ctf_enum_value("_int64", 4) | |
39 | [LTTNG_UST_DYNAMIC_TYPE_U8] = ctf_enum_value("_uint8", 5) | |
40 | [LTTNG_UST_DYNAMIC_TYPE_U16] = ctf_enum_value("_uint16", 6) | |
41 | [LTTNG_UST_DYNAMIC_TYPE_U32] = ctf_enum_value("_uint32", 7) | |
42 | [LTTNG_UST_DYNAMIC_TYPE_U64] = ctf_enum_value("_uint64", 8) | |
43 | [LTTNG_UST_DYNAMIC_TYPE_FLOAT] = ctf_enum_value("_float", 9) | |
44 | [LTTNG_UST_DYNAMIC_TYPE_DOUBLE] = ctf_enum_value("_double", 10) | |
45 | [LTTNG_UST_DYNAMIC_TYPE_STRING] = ctf_enum_value("_string", 11) | |
53569322 MD |
46 | }; |
47 | ||
48 | static const struct lttng_enum_desc dt_enum_desc = { | |
49 | .name = "dynamic_type_enum", | |
50 | .entries = dt_enum, | |
51 | .nr_entries = LTTNG_ARRAY_SIZE(dt_enum), | |
52 | }; | |
53 | ||
25cff019 MD |
54 | const struct lttng_ust_event_field *dt_var_fields[_NR_LTTNG_UST_DYNAMIC_TYPES] = { |
55 | [LTTNG_UST_DYNAMIC_TYPE_NONE] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
56 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
57 | .name = "none", |
58 | .type = { | |
218deb69 MD |
59 | .atype = atype_struct_nestable, |
60 | .u.struct_nestable.nr_fields = 0, /* empty struct. */ | |
61 | .u.struct_nestable.alignment = 0, | |
53569322 MD |
62 | }, |
63 | .nowrite = 0, | |
25cff019 MD |
64 | }), |
65 | [LTTNG_UST_DYNAMIC_TYPE_S8] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
66 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
67 | .name = "int8", |
68 | .type = __type_integer(int8_t, BYTE_ORDER, 10, none), | |
69 | .nowrite = 0, | |
25cff019 MD |
70 | }), |
71 | [LTTNG_UST_DYNAMIC_TYPE_S16] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
72 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
73 | .name = "int16", |
74 | .type = __type_integer(int16_t, BYTE_ORDER, 10, none), | |
75 | .nowrite = 0, | |
25cff019 MD |
76 | }), |
77 | [LTTNG_UST_DYNAMIC_TYPE_S32] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
78 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
79 | .name = "int32", |
80 | .type = __type_integer(int32_t, BYTE_ORDER, 10, none), | |
81 | .nowrite = 0, | |
25cff019 MD |
82 | }), |
83 | [LTTNG_UST_DYNAMIC_TYPE_S64] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
84 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
85 | .name = "int64", |
86 | .type = __type_integer(int64_t, BYTE_ORDER, 10, none), | |
87 | .nowrite = 0, | |
25cff019 MD |
88 | }), |
89 | [LTTNG_UST_DYNAMIC_TYPE_U8] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
90 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
91 | .name = "uint8", |
92 | .type = __type_integer(uint8_t, BYTE_ORDER, 10, none), | |
93 | .nowrite = 0, | |
25cff019 MD |
94 | }), |
95 | [LTTNG_UST_DYNAMIC_TYPE_U16] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
96 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
97 | .name = "uint16", |
98 | .type = __type_integer(uint16_t, BYTE_ORDER, 10, none), | |
99 | .nowrite = 0, | |
25cff019 MD |
100 | }), |
101 | [LTTNG_UST_DYNAMIC_TYPE_U32] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
102 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
103 | .name = "uint32", |
104 | .type = __type_integer(uint32_t, BYTE_ORDER, 10, none), | |
105 | .nowrite = 0, | |
25cff019 MD |
106 | }), |
107 | [LTTNG_UST_DYNAMIC_TYPE_U64] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
108 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
109 | .name = "uint64", |
110 | .type = __type_integer(uint64_t, BYTE_ORDER, 10, none), | |
111 | .nowrite = 0, | |
25cff019 MD |
112 | }), |
113 | [LTTNG_UST_DYNAMIC_TYPE_FLOAT] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
114 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
115 | .name = "float", |
116 | .type = __type_float(float), | |
117 | .nowrite = 0, | |
25cff019 MD |
118 | }), |
119 | [LTTNG_UST_DYNAMIC_TYPE_DOUBLE] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
120 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
121 | .name = "double", |
122 | .type = __type_float(double), | |
123 | .nowrite = 0, | |
25cff019 MD |
124 | }), |
125 | [LTTNG_UST_DYNAMIC_TYPE_STRING] = __LTTNG_COMPOUND_LITERAL(struct lttng_ust_event_field, { | |
126 | .struct_size = sizeof(struct lttng_ust_event_field), | |
53569322 MD |
127 | .name = "string", |
128 | .type = { | |
129 | .atype = atype_string, | |
218deb69 | 130 | .u.string.encoding = lttng_encode_UTF8, |
53569322 MD |
131 | }, |
132 | .nowrite = 0, | |
25cff019 | 133 | }), |
53569322 MD |
134 | }; |
135 | ||
25cff019 | 136 | static const struct lttng_ust_event_field dt_enum_field = { |
53569322 | 137 | .name = NULL, |
218deb69 MD |
138 | .type.atype = atype_enum_nestable, |
139 | .type.u.enum_nestable.desc = &dt_enum_desc, | |
140 | .type.u.enum_nestable.container_type = | |
141 | __LTTNG_COMPOUND_LITERAL(struct lttng_type, | |
142 | __type_integer(char, BYTE_ORDER, 10, none)), | |
53569322 MD |
143 | .nowrite = 0, |
144 | }; | |
145 | ||
25cff019 | 146 | const struct lttng_ust_event_field *lttng_ust_dynamic_type_field(int64_t value) |
53569322 MD |
147 | { |
148 | if (value >= _NR_LTTNG_UST_DYNAMIC_TYPES || value < 0) | |
149 | return NULL; | |
25cff019 | 150 | return dt_var_fields[value]; |
53569322 MD |
151 | } |
152 | ||
25cff019 | 153 | int lttng_ust_dynamic_type_choices(size_t *nr_choices, const struct lttng_ust_event_field ***choices) |
53569322 MD |
154 | { |
155 | *nr_choices = _NR_LTTNG_UST_DYNAMIC_TYPES; | |
156 | *choices = dt_var_fields; | |
157 | return 0; | |
158 | } | |
159 | ||
25cff019 | 160 | const struct lttng_ust_event_field *lttng_ust_dynamic_type_tag_field(void) |
53569322 MD |
161 | { |
162 | return &dt_enum_field; | |
163 | } |