+++ /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>
-
-#ifdef __KERNEL__
-# include <asm/byteorder.h>
-# ifdef __BIG_ENDIAN
-# define __BYTE_ORDER __BIG_ENDIAN
-# elif defined(__LITTLE_ENDIAN)
-# define __BYTE_ORDER __LITTLE_ENDIAN
-# else
-# error "unknown endianness"
-# endif
-#ifndef __BIG_ENDIAN
-# define __BIG_ENDIAN 4321
-#endif
-#ifndef __LITTLE_ENDIAN
-# define __LITTLE_ENDIAN 1234
-#endif
-#else
-# include <endian.h>
-#endif
-
-/* Update the astract_types name table in lttng-types.c along with this enum */
-enum abstract_types {
- atype_integer,
- atype_enum,
- atype_array,
- atype_sequence,
- atype_string,
- NR_ABSTRACT_TYPES,
-};
-
-/* Update the string_encodings name table in lttng-types.c along with this enum */
-enum lttng_string_encodings {
- lttng_encode_UTF8 = 0,
- lttng_encode_ASCII = 1,
- NR_STRING_ENCODINGS,
-};
-
-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;
- unsigned int reverse_byte_order:1;
- } integer;
- struct {
- const char *parent_type;
- const struct lttng_enum def;
- } enumeration;
- struct {
- const char *elem_type;
- unsigned int length; /* num. elems. */
- } array;
- struct {
- const char *elem_type;
- const char *length_type;
- } sequence;
- struct {
- enum lttng_string_encodings encoding;
- } string;
- } 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_ext
-#define TRACE_EVENT_TYPE___integer_ext(_name, _byte_order) \
- { \
- .atype = atype_integer, \
- .name = #_name, \
- .u.integer.size = sizeof(_name) * 8, \
- .u.integer.alignment = __alignof__(_name) * 8,\
- .u.integer.signedness = is_signed_type(_name),\
- .u.integer.reverse_byte_order = ((_byte_order) != __BYTE_ORDER),\
- },
-
-#undef TRACE_EVENT_TYPE___integer
-#define TRACE_EVENT_TYPE___integer(_name, _unused) \
- TRACE_EVENT_TYPE___integer_ext(_name, __BYTE_ORDER)
-
-#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, \
- },
-
-#undef TRACE_EVENT_TYPE___sequence
-#define TRACE_EVENT_TYPE___sequence(_name, _elem_type, _length_type) \
- { \
- .atype = atype_sequence, \
- .name = #_name, \
- .u.sequence.elem_type = #_elem_type, \
- .u.sequence.length_type = #_length_type, \
- },
-
-#undef TRACE_EVENT_TYPE___string
-#define TRACE_EVENT_TYPE___string(_name, _encoding) \
- { \
- .atype = atype_string, \
- .name = #_name, \
- .u.string.encoding = lttng_encode_##_encoding,\
- },
-
-
-/* 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 */
projects / lttng-modules.git / blobdiff