-#ifndef _FILTER_BYTECODE_H
-#define _FILTER_BYTECODE_H
-
-/*
+/* SPDX-License-Identifier: MIT
+ *
* filter-bytecode.h
*
* LTTng filter bytecode
*
* Copyright 2012-2016 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
+#ifndef _FILTER_BYTECODE_H
+#define _FILTER_BYTECODE_H
+
/*
* offsets are absolute from start of bytecode.
*/
uint16_t offset;
} __attribute__((packed));
+struct get_symbol {
+ /* Symbol offset. */
+ uint16_t offset;
+} __attribute__((packed));
+
+struct get_index_u16 {
+ uint16_t index;
+} __attribute__((packed));
+
+struct get_index_u64 {
+ uint64_t index;
+} __attribute__((packed));
+
struct literal_numeric {
int64_t v;
} __attribute__((packed));
} __attribute__((packed));
enum filter_op {
- FILTER_OP_UNKNOWN = 0,
+ FILTER_OP_UNKNOWN = 0,
- FILTER_OP_RETURN,
+ FILTER_OP_RETURN = 1,
/* binary */
- FILTER_OP_MUL,
- FILTER_OP_DIV,
- FILTER_OP_MOD,
- FILTER_OP_PLUS,
- FILTER_OP_MINUS,
- FILTER_OP_RSHIFT,
- FILTER_OP_LSHIFT,
- FILTER_OP_BIN_AND,
- FILTER_OP_BIN_OR,
- FILTER_OP_BIN_XOR,
+ FILTER_OP_MUL = 2,
+ FILTER_OP_DIV = 3,
+ FILTER_OP_MOD = 4,
+ FILTER_OP_PLUS = 5,
+ FILTER_OP_MINUS = 6,
+ FILTER_OP_BIT_RSHIFT = 7,
+ FILTER_OP_BIT_LSHIFT = 8,
+ FILTER_OP_BIT_AND = 9,
+ FILTER_OP_BIT_OR = 10,
+ FILTER_OP_BIT_XOR = 11,
/* binary comparators */
- FILTER_OP_EQ,
- FILTER_OP_NE,
- FILTER_OP_GT,
- FILTER_OP_LT,
- FILTER_OP_GE,
- FILTER_OP_LE,
-
- /* string binary comparator */
- FILTER_OP_EQ_STRING,
- FILTER_OP_NE_STRING,
- FILTER_OP_GT_STRING,
- FILTER_OP_LT_STRING,
- FILTER_OP_GE_STRING,
- FILTER_OP_LE_STRING,
+ FILTER_OP_EQ = 12,
+ FILTER_OP_NE = 13,
+ FILTER_OP_GT = 14,
+ FILTER_OP_LT = 15,
+ FILTER_OP_GE = 16,
+ FILTER_OP_LE = 17,
+
+ /* string binary comparator: apply to */
+ FILTER_OP_EQ_STRING = 18,
+ FILTER_OP_NE_STRING = 19,
+ FILTER_OP_GT_STRING = 20,
+ FILTER_OP_LT_STRING = 21,
+ FILTER_OP_GE_STRING = 22,
+ FILTER_OP_LE_STRING = 23,
/* s64 binary comparator */
- FILTER_OP_EQ_S64,
- FILTER_OP_NE_S64,
- FILTER_OP_GT_S64,
- FILTER_OP_LT_S64,
- FILTER_OP_GE_S64,
- FILTER_OP_LE_S64,
+ FILTER_OP_EQ_S64 = 24,
+ FILTER_OP_NE_S64 = 25,
+ FILTER_OP_GT_S64 = 26,
+ FILTER_OP_LT_S64 = 27,
+ FILTER_OP_GE_S64 = 28,
+ FILTER_OP_LE_S64 = 29,
/* double binary comparator */
- FILTER_OP_EQ_DOUBLE,
- FILTER_OP_NE_DOUBLE,
- FILTER_OP_GT_DOUBLE,
- FILTER_OP_LT_DOUBLE,
- FILTER_OP_GE_DOUBLE,
- FILTER_OP_LE_DOUBLE,
+ FILTER_OP_EQ_DOUBLE = 30,
+ FILTER_OP_NE_DOUBLE = 31,
+ FILTER_OP_GT_DOUBLE = 32,
+ FILTER_OP_LT_DOUBLE = 33,
+ FILTER_OP_GE_DOUBLE = 34,
+ FILTER_OP_LE_DOUBLE = 35,
/* Mixed S64-double binary comparators */
- FILTER_OP_EQ_DOUBLE_S64,
- FILTER_OP_NE_DOUBLE_S64,
- FILTER_OP_GT_DOUBLE_S64,
- FILTER_OP_LT_DOUBLE_S64,
- FILTER_OP_GE_DOUBLE_S64,
- FILTER_OP_LE_DOUBLE_S64,
-
- FILTER_OP_EQ_S64_DOUBLE,
- FILTER_OP_NE_S64_DOUBLE,
- FILTER_OP_GT_S64_DOUBLE,
- FILTER_OP_LT_S64_DOUBLE,
- FILTER_OP_GE_S64_DOUBLE,
- FILTER_OP_LE_S64_DOUBLE,
+ FILTER_OP_EQ_DOUBLE_S64 = 36,
+ FILTER_OP_NE_DOUBLE_S64 = 37,
+ FILTER_OP_GT_DOUBLE_S64 = 38,
+ FILTER_OP_LT_DOUBLE_S64 = 39,
+ FILTER_OP_GE_DOUBLE_S64 = 40,
+ FILTER_OP_LE_DOUBLE_S64 = 41,
+
+ FILTER_OP_EQ_S64_DOUBLE = 42,
+ FILTER_OP_NE_S64_DOUBLE = 43,
+ FILTER_OP_GT_S64_DOUBLE = 44,
+ FILTER_OP_LT_S64_DOUBLE = 45,
+ FILTER_OP_GE_S64_DOUBLE = 46,
+ FILTER_OP_LE_S64_DOUBLE = 47,
/* unary */
- FILTER_OP_UNARY_PLUS,
- FILTER_OP_UNARY_MINUS,
- FILTER_OP_UNARY_NOT,
- FILTER_OP_UNARY_PLUS_S64,
- FILTER_OP_UNARY_MINUS_S64,
- FILTER_OP_UNARY_NOT_S64,
- FILTER_OP_UNARY_PLUS_DOUBLE,
- FILTER_OP_UNARY_MINUS_DOUBLE,
- FILTER_OP_UNARY_NOT_DOUBLE,
+ FILTER_OP_UNARY_PLUS = 48,
+ FILTER_OP_UNARY_MINUS = 49,
+ FILTER_OP_UNARY_NOT = 50,
+ FILTER_OP_UNARY_PLUS_S64 = 51,
+ FILTER_OP_UNARY_MINUS_S64 = 52,
+ FILTER_OP_UNARY_NOT_S64 = 53,
+ FILTER_OP_UNARY_PLUS_DOUBLE = 54,
+ FILTER_OP_UNARY_MINUS_DOUBLE = 55,
+ FILTER_OP_UNARY_NOT_DOUBLE = 56,
/* logical */
- FILTER_OP_AND,
- FILTER_OP_OR,
+ FILTER_OP_AND = 57,
+ FILTER_OP_OR = 58,
/* load field ref */
- FILTER_OP_LOAD_FIELD_REF,
- FILTER_OP_LOAD_FIELD_REF_STRING,
- FILTER_OP_LOAD_FIELD_REF_SEQUENCE,
- FILTER_OP_LOAD_FIELD_REF_S64,
- FILTER_OP_LOAD_FIELD_REF_DOUBLE,
+ FILTER_OP_LOAD_FIELD_REF = 59,
+ FILTER_OP_LOAD_FIELD_REF_STRING = 60,
+ FILTER_OP_LOAD_FIELD_REF_SEQUENCE = 61,
+ FILTER_OP_LOAD_FIELD_REF_S64 = 62,
+ FILTER_OP_LOAD_FIELD_REF_DOUBLE = 63,
/* load immediate from operand */
- FILTER_OP_LOAD_STRING,
- FILTER_OP_LOAD_S64,
- FILTER_OP_LOAD_DOUBLE,
+ FILTER_OP_LOAD_STRING = 64,
+ FILTER_OP_LOAD_S64 = 65,
+ FILTER_OP_LOAD_DOUBLE = 66,
/* cast */
- FILTER_OP_CAST_TO_S64,
- FILTER_OP_CAST_DOUBLE_TO_S64,
- FILTER_OP_CAST_NOP,
+ FILTER_OP_CAST_TO_S64 = 67,
+ FILTER_OP_CAST_DOUBLE_TO_S64 = 68,
+ FILTER_OP_CAST_NOP = 69,
/* get context ref */
- FILTER_OP_GET_CONTEXT_REF,
- FILTER_OP_GET_CONTEXT_REF_STRING,
- FILTER_OP_GET_CONTEXT_REF_S64,
- FILTER_OP_GET_CONTEXT_REF_DOUBLE,
+ FILTER_OP_GET_CONTEXT_REF = 70,
+ FILTER_OP_GET_CONTEXT_REF_STRING = 71,
+ FILTER_OP_GET_CONTEXT_REF_S64 = 72,
+ FILTER_OP_GET_CONTEXT_REF_DOUBLE = 73,
/* load userspace field ref */
- FILTER_OP_LOAD_FIELD_REF_USER_STRING,
- FILTER_OP_LOAD_FIELD_REF_USER_SEQUENCE,
+ FILTER_OP_LOAD_FIELD_REF_USER_STRING = 74,
+ FILTER_OP_LOAD_FIELD_REF_USER_SEQUENCE = 75,
+
+ /*
+ * load immediate star globbing pattern (literal string)
+ * from immediate
+ */
+ FILTER_OP_LOAD_STAR_GLOB_STRING = 76,
+
+ /* globbing pattern binary operator: apply to */
+ FILTER_OP_EQ_STAR_GLOB_STRING = 77,
+ FILTER_OP_NE_STAR_GLOB_STRING = 78,
+
+ /*
+ * Instructions for recursive traversal through composed types.
+ */
+ FILTER_OP_GET_CONTEXT_ROOT = 79,
+ FILTER_OP_GET_APP_CONTEXT_ROOT = 80,
+ FILTER_OP_GET_PAYLOAD_ROOT = 81,
+
+ FILTER_OP_GET_SYMBOL = 82,
+ FILTER_OP_GET_SYMBOL_FIELD = 83,
+ FILTER_OP_GET_INDEX_U16 = 84,
+ FILTER_OP_GET_INDEX_U64 = 85,
+
+ FILTER_OP_LOAD_FIELD = 86,
+ FILTER_OP_LOAD_FIELD_S8 = 87,
+ FILTER_OP_LOAD_FIELD_S16 = 88,
+ FILTER_OP_LOAD_FIELD_S32 = 89,
+ FILTER_OP_LOAD_FIELD_S64 = 90,
+ FILTER_OP_LOAD_FIELD_U8 = 91,
+ FILTER_OP_LOAD_FIELD_U16 = 92,
+ FILTER_OP_LOAD_FIELD_U32 = 93,
+ FILTER_OP_LOAD_FIELD_U64 = 94,
+ FILTER_OP_LOAD_FIELD_STRING = 95,
+ FILTER_OP_LOAD_FIELD_SEQUENCE = 96,
+ FILTER_OP_LOAD_FIELD_DOUBLE = 97,
+
+ FILTER_OP_UNARY_BIT_NOT = 98,
+
+ FILTER_OP_RETURN_S64 = 99,
NR_FILTER_OPS,
};