1 #ifndef _FILTER_BYTECODE_H
2 #define _FILTER_BYTECODE_H
7 * LTTng filter bytecode
9 * Copyright 2012-2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 #include <lttng/ust-abi.h>
33 * offsets are absolute from start of bytecode.
37 /* Initially, symbol offset. After link, field offset. */
39 } __attribute__((packed
));
46 struct get_index_u16
{
50 struct get_index_u64
{
54 struct literal_numeric
{
56 } __attribute__((packed
));
58 struct literal_double
{
60 } __attribute__((packed
));
62 struct literal_string
{
64 } __attribute__((packed
));
67 FILTER_OP_UNKNOWN
= 0,
77 FILTER_OP_BIT_RSHIFT
= 7,
78 FILTER_OP_BIT_LSHIFT
= 8,
79 FILTER_OP_BIT_AND
= 9,
80 FILTER_OP_BIT_OR
= 10,
81 FILTER_OP_BIT_XOR
= 11,
83 /* binary comparators */
91 /* string binary comparator: apply to */
92 FILTER_OP_EQ_STRING
= 18,
93 FILTER_OP_NE_STRING
= 19,
94 FILTER_OP_GT_STRING
= 20,
95 FILTER_OP_LT_STRING
= 21,
96 FILTER_OP_GE_STRING
= 22,
97 FILTER_OP_LE_STRING
= 23,
99 /* s64 binary comparator */
100 FILTER_OP_EQ_S64
= 24,
101 FILTER_OP_NE_S64
= 25,
102 FILTER_OP_GT_S64
= 26,
103 FILTER_OP_LT_S64
= 27,
104 FILTER_OP_GE_S64
= 28,
105 FILTER_OP_LE_S64
= 29,
107 /* double binary comparator */
108 FILTER_OP_EQ_DOUBLE
= 30,
109 FILTER_OP_NE_DOUBLE
= 31,
110 FILTER_OP_GT_DOUBLE
= 32,
111 FILTER_OP_LT_DOUBLE
= 33,
112 FILTER_OP_GE_DOUBLE
= 34,
113 FILTER_OP_LE_DOUBLE
= 35,
115 /* Mixed S64-double binary comparators */
116 FILTER_OP_EQ_DOUBLE_S64
= 36,
117 FILTER_OP_NE_DOUBLE_S64
= 37,
118 FILTER_OP_GT_DOUBLE_S64
= 38,
119 FILTER_OP_LT_DOUBLE_S64
= 39,
120 FILTER_OP_GE_DOUBLE_S64
= 40,
121 FILTER_OP_LE_DOUBLE_S64
= 41,
123 FILTER_OP_EQ_S64_DOUBLE
= 42,
124 FILTER_OP_NE_S64_DOUBLE
= 43,
125 FILTER_OP_GT_S64_DOUBLE
= 44,
126 FILTER_OP_LT_S64_DOUBLE
= 45,
127 FILTER_OP_GE_S64_DOUBLE
= 46,
128 FILTER_OP_LE_S64_DOUBLE
= 47,
131 FILTER_OP_UNARY_PLUS
= 48,
132 FILTER_OP_UNARY_MINUS
= 49,
133 FILTER_OP_UNARY_NOT
= 50,
134 FILTER_OP_UNARY_PLUS_S64
= 51,
135 FILTER_OP_UNARY_MINUS_S64
= 52,
136 FILTER_OP_UNARY_NOT_S64
= 53,
137 FILTER_OP_UNARY_PLUS_DOUBLE
= 54,
138 FILTER_OP_UNARY_MINUS_DOUBLE
= 55,
139 FILTER_OP_UNARY_NOT_DOUBLE
= 56,
146 FILTER_OP_LOAD_FIELD_REF
= 59,
147 FILTER_OP_LOAD_FIELD_REF_STRING
= 60,
148 FILTER_OP_LOAD_FIELD_REF_SEQUENCE
= 61,
149 FILTER_OP_LOAD_FIELD_REF_S64
= 62,
150 FILTER_OP_LOAD_FIELD_REF_DOUBLE
= 63,
152 /* load immediate from operand */
153 FILTER_OP_LOAD_STRING
= 64,
154 FILTER_OP_LOAD_S64
= 65,
155 FILTER_OP_LOAD_DOUBLE
= 66,
158 FILTER_OP_CAST_TO_S64
= 67,
159 FILTER_OP_CAST_DOUBLE_TO_S64
= 68,
160 FILTER_OP_CAST_NOP
= 69,
162 /* get context ref */
163 FILTER_OP_GET_CONTEXT_REF
= 70,
164 FILTER_OP_GET_CONTEXT_REF_STRING
= 71,
165 FILTER_OP_GET_CONTEXT_REF_S64
= 72,
166 FILTER_OP_GET_CONTEXT_REF_DOUBLE
= 73,
168 /* load userspace field ref */
169 FILTER_OP_LOAD_FIELD_REF_USER_STRING
= 74,
170 FILTER_OP_LOAD_FIELD_REF_USER_SEQUENCE
= 75,
173 * load immediate star globbing pattern (literal string)
176 FILTER_OP_LOAD_STAR_GLOB_STRING
= 76,
178 /* globbing pattern binary operator: apply to */
179 FILTER_OP_EQ_STAR_GLOB_STRING
= 77,
180 FILTER_OP_NE_STAR_GLOB_STRING
= 78,
183 * Instructions for recursive traversal through composed types.
185 FILTER_OP_GET_CONTEXT_ROOT
= 79,
186 FILTER_OP_GET_APP_CONTEXT_ROOT
= 80,
187 FILTER_OP_GET_PAYLOAD_ROOT
= 81,
189 FILTER_OP_GET_SYMBOL
= 82,
190 FILTER_OP_GET_SYMBOL_FIELD
= 83,
191 FILTER_OP_GET_INDEX_U16
= 84,
192 FILTER_OP_GET_INDEX_U64
= 85,
194 FILTER_OP_LOAD_FIELD
= 86,
195 FILTER_OP_LOAD_FIELD_S8
= 87,
196 FILTER_OP_LOAD_FIELD_S16
= 88,
197 FILTER_OP_LOAD_FIELD_S32
= 89,
198 FILTER_OP_LOAD_FIELD_S64
= 90,
199 FILTER_OP_LOAD_FIELD_U8
= 91,
200 FILTER_OP_LOAD_FIELD_U16
= 92,
201 FILTER_OP_LOAD_FIELD_U32
= 93,
202 FILTER_OP_LOAD_FIELD_U64
= 94,
203 FILTER_OP_LOAD_FIELD_STRING
= 95,
204 FILTER_OP_LOAD_FIELD_SEQUENCE
= 96,
205 FILTER_OP_LOAD_FIELD_DOUBLE
= 97,
207 FILTER_OP_UNARY_BIT_NOT
= 98,
209 FILTER_OP_RETURN_S64
= 99,
214 typedef uint8_t filter_opcode_t
;
219 /* data to load. Size known by enum filter_opcode and null-term char. */
220 } __attribute__((packed
));
224 } __attribute__((packed
));
228 } __attribute__((packed
));
230 /* skip_offset is absolute from start of bytecode */
233 uint16_t skip_offset
; /* bytecode insn, if skip second test */
234 } __attribute__((packed
));
238 } __attribute__((packed
));
242 } __attribute__((packed
));
244 #endif /* _FILTER_BYTECODE_H */