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
));
41 struct literal_numeric
{
43 } __attribute__((packed
));
45 struct literal_double
{
47 } __attribute__((packed
));
49 struct literal_string
{
51 } __attribute__((packed
));
54 FILTER_OP_UNKNOWN
= 0,
66 FILTER_OP_BIN_AND
= 9,
67 FILTER_OP_BIN_OR
= 10,
68 FILTER_OP_BIN_XOR
= 11,
70 /* binary comparators */
78 /* string binary comparator: apply to */
79 FILTER_OP_EQ_STRING
= 18,
80 FILTER_OP_NE_STRING
= 19,
81 FILTER_OP_GT_STRING
= 20,
82 FILTER_OP_LT_STRING
= 21,
83 FILTER_OP_GE_STRING
= 22,
84 FILTER_OP_LE_STRING
= 23,
86 /* s64 binary comparator */
87 FILTER_OP_EQ_S64
= 24,
88 FILTER_OP_NE_S64
= 25,
89 FILTER_OP_GT_S64
= 26,
90 FILTER_OP_LT_S64
= 27,
91 FILTER_OP_GE_S64
= 28,
92 FILTER_OP_LE_S64
= 29,
94 /* double binary comparator */
95 FILTER_OP_EQ_DOUBLE
= 30,
96 FILTER_OP_NE_DOUBLE
= 31,
97 FILTER_OP_GT_DOUBLE
= 32,
98 FILTER_OP_LT_DOUBLE
= 33,
99 FILTER_OP_GE_DOUBLE
= 34,
100 FILTER_OP_LE_DOUBLE
= 35,
102 /* Mixed S64-double binary comparators */
103 FILTER_OP_EQ_DOUBLE_S64
= 36,
104 FILTER_OP_NE_DOUBLE_S64
= 37,
105 FILTER_OP_GT_DOUBLE_S64
= 38,
106 FILTER_OP_LT_DOUBLE_S64
= 39,
107 FILTER_OP_GE_DOUBLE_S64
= 40,
108 FILTER_OP_LE_DOUBLE_S64
= 41,
110 FILTER_OP_EQ_S64_DOUBLE
= 42,
111 FILTER_OP_NE_S64_DOUBLE
= 43,
112 FILTER_OP_GT_S64_DOUBLE
= 44,
113 FILTER_OP_LT_S64_DOUBLE
= 45,
114 FILTER_OP_GE_S64_DOUBLE
= 46,
115 FILTER_OP_LE_S64_DOUBLE
= 47,
118 FILTER_OP_UNARY_PLUS
= 48,
119 FILTER_OP_UNARY_MINUS
= 49,
120 FILTER_OP_UNARY_NOT
= 50,
121 FILTER_OP_UNARY_PLUS_S64
= 51,
122 FILTER_OP_UNARY_MINUS_S64
= 52,
123 FILTER_OP_UNARY_NOT_S64
= 53,
124 FILTER_OP_UNARY_PLUS_DOUBLE
= 54,
125 FILTER_OP_UNARY_MINUS_DOUBLE
= 55,
126 FILTER_OP_UNARY_NOT_DOUBLE
= 56,
133 FILTER_OP_LOAD_FIELD_REF
= 59,
134 FILTER_OP_LOAD_FIELD_REF_STRING
= 60,
135 FILTER_OP_LOAD_FIELD_REF_SEQUENCE
= 61,
136 FILTER_OP_LOAD_FIELD_REF_S64
= 62,
137 FILTER_OP_LOAD_FIELD_REF_DOUBLE
= 63,
139 /* load immediate from operand */
140 FILTER_OP_LOAD_STRING
= 64,
141 FILTER_OP_LOAD_S64
= 65,
142 FILTER_OP_LOAD_DOUBLE
= 66,
145 FILTER_OP_CAST_TO_S64
= 67,
146 FILTER_OP_CAST_DOUBLE_TO_S64
= 68,
147 FILTER_OP_CAST_NOP
= 69,
149 /* get context ref */
150 FILTER_OP_GET_CONTEXT_REF
= 70,
151 FILTER_OP_GET_CONTEXT_REF_STRING
= 71,
152 FILTER_OP_GET_CONTEXT_REF_S64
= 72,
153 FILTER_OP_GET_CONTEXT_REF_DOUBLE
= 73,
155 /* load userspace field ref */
156 FILTER_OP_LOAD_FIELD_REF_USER_STRING
= 74,
157 FILTER_OP_LOAD_FIELD_REF_USER_SEQUENCE
= 75,
160 * load immediate star globbing pattern (literal string)
163 FILTER_OP_LOAD_STAR_GLOB_STRING
= 76,
165 /* globbing pattern binary operator: apply to */
166 FILTER_OP_EQ_STAR_GLOB_STRING
= 77,
167 FILTER_OP_NE_STAR_GLOB_STRING
= 78,
172 typedef uint8_t filter_opcode_t
;
177 /* data to load. Size known by enum filter_opcode and null-term char. */
178 } __attribute__((packed
));
182 } __attribute__((packed
));
186 } __attribute__((packed
));
188 /* skip_offset is absolute from start of bytecode */
191 uint16_t skip_offset
; /* bytecode insn, if skip second test */
192 } __attribute__((packed
));
196 } __attribute__((packed
));
200 } __attribute__((packed
));
202 #endif /* _FILTER_BYTECODE_H */