Drop support for kernels < 3.0 from skb instrumentation

[lttng-modules.git] / filter-bytecode.h

diff --git a/filter-bytecode.h b/filter-bytecode.h
index 2c14e223df31b6e1600047a43c83a99d55a103ba..65d34f02edb43d5125e354efa46908c6bf167222 100644 (file)
--- a/filter-bytecode.h
+++ b/filter-bytecode.h
@@ -1,32 +1,15 @@
-#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.
  */
@@ -36,6 +19,19 @@ struct field_ref {
        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));
@@ -59,11 +55,11 @@ enum filter_op {
        FILTER_OP_MOD                           = 4,
        FILTER_OP_PLUS                          = 5,
        FILTER_OP_MINUS                         = 6,
-       FILTER_OP_RSHIFT                        = 7,
-       FILTER_OP_LSHIFT                        = 8,
-       FILTER_OP_BIN_AND                       = 9,
-       FILTER_OP_BIN_OR                        = 10,
-       FILTER_OP_BIN_XOR                       = 11,
+       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                            = 12,
@@ -164,6 +160,35 @@ enum filter_op {
        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,
 };