-/*
+/* SPDX-License-Identifier: MIT
+ *
* lttng-filter-specialize.c
*
* LTTng modules filter code specializer.
*
* Copyright (C) 2010-2016 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.
*/
#include <linux/slab.h>
-#include <lttng-filter.h>
-#include "lib/align.h"
+#include <lttng/filter.h>
+#include <lttng/align.h>
static ssize_t bytecode_reserve_data(struct bytecode_runtime *runtime,
size_t align, size_t len)
switch (stack_top->load.object_type) {
case OBJECT_TYPE_ARRAY:
{
+ const struct lttng_integer_type *integer_type;
const struct lttng_event_field *field;
uint32_t elem_len, num_elems;
int signedness;
field = stack_top->load.field;
- elem_len = field->type.u.array.elem_type.u.basic.integer.size;
- signedness = field->type.u.array.elem_type.u.basic.integer.signedness;
- num_elems = field->type.u.array.length;
+ if (!lttng_is_bytewise_integer(field->type.u.array_nestable.elem_type)) {
+ ret = -EINVAL;
+ goto end;
+ }
+ integer_type = &field->type.u.array_nestable.elem_type->u.integer;
+ num_elems = field->type.u.array_nestable.length;
+ elem_len = integer_type->size;
+ signedness = integer_type->signedness;
if (index >= num_elems) {
ret = -EINVAL;
goto end;
gid.array_len = num_elems * (elem_len / CHAR_BIT);
gid.elem.type = stack_top->load.object_type;
gid.elem.len = elem_len;
- if (field->type.u.array.elem_type.u.basic.integer.reverse_byte_order)
+ if (integer_type->reverse_byte_order)
gid.elem.rev_bo = true;
stack_top->load.rev_bo = gid.elem.rev_bo;
break;
}
case OBJECT_TYPE_SEQUENCE:
{
+ const struct lttng_integer_type *integer_type;
const struct lttng_event_field *field;
uint32_t elem_len;
int signedness;
field = stack_top->load.field;
- elem_len = field->type.u.sequence.elem_type.u.basic.integer.size;
- signedness = field->type.u.sequence.elem_type.u.basic.integer.signedness;
+ if (!lttng_is_bytewise_integer(field->type.u.sequence_nestable.elem_type)) {
+ ret = -EINVAL;
+ goto end;
+ }
+ integer_type = &field->type.u.sequence_nestable.elem_type->u.integer;
+ elem_len = integer_type->size;
+ signedness = integer_type->signedness;
ret = specialize_get_index_object_type(&stack_top->load.object_type,
signedness, elem_len);
if (ret)
gid.offset = index * (elem_len / CHAR_BIT);
gid.elem.type = stack_top->load.object_type;
gid.elem.len = elem_len;
- if (field->type.u.sequence.elem_type.u.basic.integer.reverse_byte_order)
+ if (integer_type->reverse_byte_order)
gid.elem.rev_bo = true;
stack_top->load.rev_bo = gid.elem.rev_bo;
break;
*/
switch (field->type.atype) {
case atype_integer:
- if (field->type.u.basic.integer.signedness)
+ if (field->type.u.integer.signedness)
load->object_type = OBJECT_TYPE_S64;
else
load->object_type = OBJECT_TYPE_U64;
load->rev_bo = false;
break;
- case atype_enum:
+ case atype_enum_nestable:
{
const struct lttng_integer_type *itype =
- &field->type.u.basic.enumeration.container_type;
+ &field->type.u.enum_nestable.container_type->u.integer;
if (itype->signedness)
load->object_type = OBJECT_TYPE_S64;
load->rev_bo = false;
break;
}
- case atype_array:
- if (field->type.u.array.elem_type.atype != atype_integer) {
+ case atype_array_nestable:
+ if (!lttng_is_bytewise_integer(field->type.u.array_nestable.elem_type)) {
printk(KERN_WARNING "Array nesting only supports integer types.\n");
return -EINVAL;
}
if (is_context) {
load->object_type = OBJECT_TYPE_STRING;
} else {
- if (field->type.u.array.elem_type.u.basic.integer.encoding == lttng_encode_none) {
+ if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) {
load->object_type = OBJECT_TYPE_ARRAY;
load->field = field;
} else {
}
}
break;
- case atype_sequence:
- if (field->type.u.sequence.elem_type.atype != atype_integer) {
+ case atype_sequence_nestable:
+ if (!lttng_is_bytewise_integer(field->type.u.sequence_nestable.elem_type)) {
printk(KERN_WARNING "Sequence nesting only supports integer types.\n");
return -EINVAL;
}
if (is_context) {
load->object_type = OBJECT_TYPE_STRING;
} else {
- if (field->type.u.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) {
+ if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) {
load->object_type = OBJECT_TYPE_SEQUENCE;
load->field = field;
} else {
}
}
break;
- case atype_array_bitfield:
- printk(KERN_WARNING "Bitfield array type is not supported.\n");
- return -EINVAL;
- case atype_sequence_bitfield:
- printk(KERN_WARNING "Bitfield sequence type is not supported.\n");
- return -EINVAL;
case atype_string:
load->object_type = OBJECT_TYPE_STRING;
break;
- case atype_struct:
+ case atype_struct_nestable:
printk(KERN_WARNING "Structure type cannot be loaded.\n");
return -EINVAL;
+ case atype_variant_nestable:
+ printk(KERN_WARNING "Variant type cannot be loaded.\n");
+ return -EINVAL;
default:
printk(KERN_WARNING "Unknown type: %d", (int) field->type.atype);
return -EINVAL;
name = runtime->p.bc->bc.data + runtime->p.bc->bc.reloc_offset + offset;
for (i = 0; i < nr_fields; i++) {
field = &desc->fields[i];
+ if (field->nofilter) {
+ continue;
+ }
if (!strcmp(field->name, name)) {
found = true;
break;
/* compute field offset on stack */
switch (field->type.atype) {
case atype_integer:
- case atype_enum:
+ case atype_enum_nestable:
field_offset += sizeof(int64_t);
break;
- case atype_array:
- case atype_sequence:
- case atype_array_bitfield:
- case atype_sequence_bitfield:
+ case atype_array_nestable:
+ case atype_sequence_nestable:
field_offset += sizeof(unsigned long);
field_offset += sizeof(void *);
break;
goto end;
case FILTER_OP_RETURN:
+ case FILTER_OP_RETURN_S64:
ret = 0;
goto end;
projects / lttng-modules.git / blobdiff