--- /dev/null
+/*
+ * Protect against multiple inclusion of structure declarations, but run the
+ * stages below each time.
+ */
+#ifndef _LTTNG_PROBES_LTTNG_TYPES_H
+#define _LTTNG_PROBES_LTTNG_TYPES_H
+
+#include <lttng.h>
+
+enum abstract_types {
+ atype_integer,
+ atype_enum,
+ atype_array,
+ NR_ABSTRACT_TYPES,
+};
+
+struct lttng_enum_entry {
+ unsigned long long start, end; /* start and end are inclusive */
+ const char *string;
+};
+
+struct lttng_enum {
+ const struct lttng_enum_entry *entries;
+ unsigned int len;
+};
+
+struct lttng_type {
+ enum abstract_types atype;
+ const char *name;
+ union {
+ struct {
+ unsigned int size; /* in bits */
+ unsigned short alignment; /* in bits */
+ unsigned int signedness:1;
+ } integer;
+ struct {
+ const char *parent_type;
+ const struct lttng_enum def;
+ } enumeration;
+ struct {
+ const char *elem_type;
+ unsigned int length; /* num. elems. */
+ } array;
+ } u;
+} __attribute__((packed));
+
+#endif /* _LTTNG_PROBES_LTTNG_TYPES_H */
+
+
+/* Export enumerations */
+
+#ifdef STAGE_EXPORT_ENUMS
+
+#undef TRACE_EVENT_TYPE
+#define TRACE_EVENT_TYPE(_name, _abstract_type, args...)
+
+#undef TRACE_EVENT_ENUM
+#define TRACE_EVENT_ENUM(_name, _entries...) \
+ const struct lttng_enum_entry __trace_event_enum_##_name[] = { \
+ PARAMS(_entries) \
+ };
+
+/* Enumeration entry (single value) */
+#undef V
+#define V(_string) { _string, _string, #_string}
+
+/* Enumeration entry (range) */
+#undef R
+#define R(_string, _range_start, _range_end) \
+ { _range_start, _range_end, #_string }
+
+#endif /* STAGE_EXPORT_ENUMS */
+
+
+/* Export named types */
+
+#ifdef STAGE_EXPORT_TYPES
+
+#undef TRACE_EVENT_TYPE___integer
+#define TRACE_EVENT_TYPE___integer(_name, _unused) \
+ { \
+ .atype = atype_integer, \
+ .name = #_name, \
+ .u.integer.size = sizeof(_name) * 8, \
+ .u.integer.alignment = __alignof__(_name) * 8,\
+ .u.integer.signedness = is_signed_type(_name),\
+ },
+
+#undef TRACE_EVENT_TYPE___enum
+#define TRACE_EVENT_TYPE___enum(_name, _parent_type) \
+ { \
+ .atype = atype_enum, \
+ .name = #_name, \
+ .u.enumeration.parent_type = #_parent_type, \
+ .u.enumeration.def.entries = __trace_event_enum_##_name, \
+ .u.enumeration.def.len = ARRAY_SIZE(__trace_event_enum_##_name), \
+ },
+
+#undef TRACE_EVENT_TYPE___array
+#define TRACE_EVENT_TYPE___array(_name, _elem_type, _length) \
+ { \
+ .atype = atype_array, \
+ .name = #_name, \
+ .u.array.elem_type = #_elem_type, \
+ .u.array.length = _length, \
+ },
+
+/* Local declaration */
+#undef TRACE_EVENT_TYPE
+#define TRACE_EVENT_TYPE(_name, _abstract_type, args...) \
+ TRACE_EVENT_TYPE___##_abstract_type(_name, args)
+
+#undef TRACE_EVENT_ENUM
+#define TRACE_EVENT_ENUM(_name, _entries...)
+
+#endif /* STAGE_EXPORT_TYPES */