| 1 | /* |
| 2 | * Protect against multiple inclusion of structure declarations, but run the |
| 3 | * stages below each time. |
| 4 | */ |
| 5 | #ifndef _LTTNG_PROBES_LTTNG_TYPES_H |
| 6 | #define _LTTNG_PROBES_LTTNG_TYPES_H |
| 7 | |
| 8 | #include <linux/seq_file.h> |
| 9 | #include "lttng.h" |
| 10 | #include "../ltt-events.h" |
| 11 | #include "../ltt-tracer.h" |
| 12 | |
| 13 | #ifdef __KERNEL__ |
| 14 | # include <asm/byteorder.h> |
| 15 | # ifdef __BIG_ENDIAN |
| 16 | # define __BYTE_ORDER __BIG_ENDIAN |
| 17 | # elif defined(__LITTLE_ENDIAN) |
| 18 | # define __BYTE_ORDER __LITTLE_ENDIAN |
| 19 | # else |
| 20 | # error "unknown endianness" |
| 21 | # endif |
| 22 | #ifndef __BIG_ENDIAN |
| 23 | # define __BIG_ENDIAN 4321 |
| 24 | #endif |
| 25 | #ifndef __LITTLE_ENDIAN |
| 26 | # define __LITTLE_ENDIAN 1234 |
| 27 | #endif |
| 28 | #else |
| 29 | # include <endian.h> |
| 30 | #endif |
| 31 | |
| 32 | #endif /* _LTTNG_PROBES_LTTNG_TYPES_H */ |
| 33 | |
| 34 | |
| 35 | /* Export enumerations */ |
| 36 | |
| 37 | #ifdef STAGE_EXPORT_ENUMS |
| 38 | |
| 39 | #undef TRACE_EVENT_TYPE |
| 40 | #define TRACE_EVENT_TYPE(_name, _abstract_type, args...) |
| 41 | |
| 42 | #undef TRACE_EVENT_ENUM |
| 43 | #define TRACE_EVENT_ENUM(_name, _entries...) \ |
| 44 | const struct lttng_enum_entry __trace_event_enum_##_name[] = { \ |
| 45 | PARAMS(_entries) \ |
| 46 | }; |
| 47 | |
| 48 | /* Enumeration entry (single value) */ |
| 49 | #undef V |
| 50 | #define V(_string) { _string, _string, #_string} |
| 51 | |
| 52 | /* Enumeration entry (range) */ |
| 53 | #undef R |
| 54 | #define R(_string, _range_start, _range_end) \ |
| 55 | { _range_start, _range_end, #_string } |
| 56 | |
| 57 | #endif /* STAGE_EXPORT_ENUMS */ |
| 58 | |
| 59 | |
| 60 | /* Export named types */ |
| 61 | |
| 62 | #ifdef STAGE_EXPORT_TYPES |
| 63 | |
| 64 | #undef TRACE_EVENT_TYPE___enum |
| 65 | #define TRACE_EVENT_TYPE___enum(_name, _container_type) \ |
| 66 | { \ |
| 67 | .name = #_name, \ |
| 68 | .container_type = __type_integer(_container_type, __BYTE_ORDER), \ |
| 69 | .entries = __trace_event_enum_##_name, \ |
| 70 | .len = ARRAY_SIZE(__trace_event_enum_##_name), \ |
| 71 | }, |
| 72 | |
| 73 | /* Local declaration */ |
| 74 | #undef TRACE_EVENT_TYPE |
| 75 | #define TRACE_EVENT_TYPE(_name, _abstract_type, args...) \ |
| 76 | TRACE_EVENT_TYPE___##_abstract_type(_name, args) |
| 77 | |
| 78 | #undef TRACE_EVENT_ENUM |
| 79 | #define TRACE_EVENT_ENUM(_name, _entries...) |
| 80 | |
| 81 | #endif /* STAGE_EXPORT_TYPES */ |