struct side_event_description;
struct side_arg_dynamic_struct;
struct side_events_register_handle;
+struct side_arg_variant;
enum side_type_label {
/* Stack-copy basic types */
/* Stack-copy compound types */
SIDE_TYPE_STRUCT,
+ SIDE_TYPE_VARIANT,
SIDE_TYPE_ARRAY,
SIDE_TYPE_VLA,
SIDE_TYPE_VLA_VISITOR,
struct side_type_vla side_vla;
struct side_type_vla_visitor side_vla_visitor;
const struct side_type_struct *side_struct;
+ const struct side_type_variant *side_variant;
/* Stack-copy enumeration types */
struct side_type_enum side_enum;
} SIDE_PACKED u;
} SIDE_PACKED;
+struct side_variant_option {
+ int64_t range_begin;
+ int64_t range_end;
+ const struct side_type side_type;
+} SIDE_PACKED;
+
+struct side_type_variant {
+ const struct side_type selector;
+ const struct side_variant_option *options;
+ const struct side_attr *attr;
+ uint32_t nr_options;
+ uint32_t nr_attr;
+} SIDE_PACKED;
+
struct side_event_field {
const char *field_name;
struct side_type side_type;
/* Stack-copy compound types */
const struct side_arg_vec *side_struct;
+ const struct side_arg_variant *side_variant;
const struct side_arg_vec *side_array;
const struct side_arg_vec *side_vla;
void *side_vla_app_visitor_ctx;
} SIDE_PACKED u;
} SIDE_PACKED;
+struct side_arg_variant {
+ struct side_arg selector;
+ struct side_arg option;
+} SIDE_PACKED;
+
struct side_arg_vec {
const struct side_arg *sav;
uint32_t len;
.side_type = _type, \
}
+#define side_option_range(_range_begin, _range_end, _type) \
+ { \
+ .range_begin = _range_begin, \
+ .range_end = _range_end, \
+ .side_type = _type, \
+ }
+
+#define side_option(_value, _type) \
+ side_option_range(_value, _value, SIDE_PARAM(_type))
+
/* Host endian */
#define side_type_u8(_attr) _side_type_integer(SIDE_TYPE_U8, false, SIDE_TYPE_BYTE_ORDER_HOST, sizeof(uint8_t), 0, SIDE_PARAM(_attr))
#define side_type_u16(_attr) _side_type_integer(SIDE_TYPE_U16, false, SIDE_TYPE_BYTE_ORDER_HOST, sizeof(uint16_t), 0, SIDE_PARAM(_attr))
SIDE_COMPOUND_LITERAL(const struct side_type_struct, \
_side_type_struct_define(SIDE_PARAM(_fields), SIDE_PARAM(_attr)))
+#define side_type_variant(_variant) \
+ { \
+ .type = SIDE_TYPE_VARIANT, \
+ .u = { \
+ .side_variant = _variant, \
+ }, \
+ }
+#define side_field_variant(_name, _variant) \
+ _side_field(_name, side_type_variant(SIDE_PARAM(_variant)))
+
+#define _side_type_variant_define(_selector, _options, _attr) \
+ { \
+ .selector = _selector, \
+ .options = _options, \
+ .attr = _attr, \
+ .nr_options = SIDE_ARRAY_SIZE(SIDE_PARAM(_options)), \
+ .nr_attr = SIDE_ARRAY_SIZE(SIDE_PARAM(_attr)), \
+ }
+
+#define side_define_variant(_identifier, _selector, _options, _attr) \
+ const struct side_type_variant _identifier = \
+ _side_type_variant_define(SIDE_PARAM(_selector), SIDE_PARAM(_options), SIDE_PARAM(_attr))
+
+#define side_variant_literal(_selector, _options, _attr) \
+ SIDE_COMPOUND_LITERAL(const struct side_type_variant, \
+ _side_type_variant_define(SIDE_PARAM(_selector), SIDE_PARAM(_options), SIDE_PARAM(_attr)))
+
#define side_type_array(_elem_type, _length, _attr) \
{ \
.type = SIDE_TYPE_ARRAY, \
#define side_field_list(...) \
SIDE_COMPOUND_LITERAL(const struct side_event_field, __VA_ARGS__)
+#define side_option_list(...) \
+ SIDE_COMPOUND_LITERAL(const struct side_variant_option, __VA_ARGS__)
+
/* Stack-copy field arguments */
#define side_arg_null(_val) { .type = SIDE_TYPE_NULL }
#define side_arg_float_binary128(_val) { .type = SIDE_TYPE_FLOAT_BINARY128, .u = { .side_static = { .float_value = { .side_float_binary128 = (_val) } } } }
#define side_arg_struct(_side_type) { .type = SIDE_TYPE_STRUCT, .u = { .side_static = { .side_struct = (_side_type) } } }
+
+#define side_arg_define_variant(_identifier, _selector_val, _option) \
+ const struct side_arg_variant _identifier = { \
+ .selector = _selector_val, \
+ .option = _option, \
+ }
+#define side_arg_variant(_side_variant) \
+ { \
+ .type = SIDE_TYPE_VARIANT, \
+ .u = { \
+ .side_static = { \
+ .side_variant = (_side_variant), \
+ }, \
+ }, \
+ }
+
#define side_arg_array(_side_type) { .type = SIDE_TYPE_ARRAY, .u = { .side_static = { .side_array = (_side_type) } } }
#define side_arg_vla(_side_type) { .type = SIDE_TYPE_VLA, .u = { .side_static = { .side_vla = (_side_type) } } }
#define side_arg_vla_visitor(_ctx) { .type = SIDE_TYPE_VLA_VISITOR, .u = { .side_static = { .side_vla_app_visitor_ctx = (_ctx) } } }