| 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 | |
| 12 | #ifdef __KERNEL__ |
| 13 | # include <asm/byteorder.h> |
| 14 | # ifdef __BIG_ENDIAN |
| 15 | # define __BYTE_ORDER __BIG_ENDIAN |
| 16 | # elif defined(__LITTLE_ENDIAN) |
| 17 | # define __BYTE_ORDER __LITTLE_ENDIAN |
| 18 | # else |
| 19 | # error "unknown endianness" |
| 20 | # endif |
| 21 | #ifndef __BIG_ENDIAN |
| 22 | # define __BIG_ENDIAN 4321 |
| 23 | #endif |
| 24 | #ifndef __LITTLE_ENDIAN |
| 25 | # define __LITTLE_ENDIAN 1234 |
| 26 | #endif |
| 27 | #else |
| 28 | # include <endian.h> |
| 29 | #endif |
| 30 | |
| 31 | void lttng_print_event_type(struct seq_file *m, unsigned int indent, |
| 32 | const struct lttng_type *type); |
| 33 | |
| 34 | #endif /* _LTTNG_PROBES_LTTNG_TYPES_H */ |
| 35 | |
| 36 | |
| 37 | /* Export enumerations */ |
| 38 | |
| 39 | #ifdef STAGE_EXPORT_ENUMS |
| 40 | |
| 41 | #undef TRACE_EVENT_TYPE |
| 42 | #define TRACE_EVENT_TYPE(_name, _abstract_type, args...) |
| 43 | |
| 44 | #undef TRACE_EVENT_ENUM |
| 45 | #define TRACE_EVENT_ENUM(_name, _entries...) \ |
| 46 | const struct lttng_enum_entry __trace_event_enum_##_name[] = { \ |
| 47 | PARAMS(_entries) \ |
| 48 | }; |
| 49 | |
| 50 | /* Enumeration entry (single value) */ |
| 51 | #undef V |
| 52 | #define V(_string) { _string, _string, #_string} |
| 53 | |
| 54 | /* Enumeration entry (range) */ |
| 55 | #undef R |
| 56 | #define R(_string, _range_start, _range_end) \ |
| 57 | { _range_start, _range_end, #_string } |
| 58 | |
| 59 | #endif /* STAGE_EXPORT_ENUMS */ |
| 60 | |
| 61 | |
| 62 | /* Export named types */ |
| 63 | |
| 64 | #ifdef STAGE_EXPORT_TYPES |
| 65 | |
| 66 | #undef TRACE_EVENT_TYPE___integer_ext |
| 67 | #define TRACE_EVENT_TYPE___integer_ext(_name, _byte_order) \ |
| 68 | { \ |
| 69 | .atype = atype_integer, \ |
| 70 | .name = #_name, \ |
| 71 | .u.integer.size = sizeof(_name) * 8, \ |
| 72 | .u.integer.alignment = __alignof__(_name) * 8,\ |
| 73 | .u.integer.signedness = is_signed_type(_name),\ |
| 74 | .u.integer.reverse_byte_order = ((_byte_order) != __BYTE_ORDER),\ |
| 75 | }, |
| 76 | |
| 77 | #undef TRACE_EVENT_TYPE___integer |
| 78 | #define TRACE_EVENT_TYPE___integer(_name, _unused) \ |
| 79 | TRACE_EVENT_TYPE___integer_ext(_name, __BYTE_ORDER) |
| 80 | |
| 81 | #undef TRACE_EVENT_TYPE___enum |
| 82 | #define TRACE_EVENT_TYPE___enum(_name, _parent_type) \ |
| 83 | { \ |
| 84 | .atype = atype_enum, \ |
| 85 | .name = #_name, \ |
| 86 | .u.enumeration.parent_type = #_parent_type, \ |
| 87 | .u.enumeration.def.entries = __trace_event_enum_##_name, \ |
| 88 | .u.enumeration.def.len = ARRAY_SIZE(__trace_event_enum_##_name), \ |
| 89 | }, |
| 90 | |
| 91 | #undef TRACE_EVENT_TYPE___array |
| 92 | #define TRACE_EVENT_TYPE___array(_name, _elem_type, _length) \ |
| 93 | { \ |
| 94 | .atype = atype_array, \ |
| 95 | .name = #_name, \ |
| 96 | .u.array.elem_type = #_elem_type, \ |
| 97 | .u.array.length = _length, \ |
| 98 | }, |
| 99 | |
| 100 | #undef TRACE_EVENT_TYPE___sequence |
| 101 | #define TRACE_EVENT_TYPE___sequence(_name, _elem_type, _length_type) \ |
| 102 | { \ |
| 103 | .atype = atype_sequence, \ |
| 104 | .name = #_name, \ |
| 105 | .u.sequence.elem_type = #_elem_type, \ |
| 106 | .u.sequence.length_type = #_length_type, \ |
| 107 | }, |
| 108 | |
| 109 | #undef TRACE_EVENT_TYPE___string |
| 110 | #define TRACE_EVENT_TYPE___string(_name, _encoding) \ |
| 111 | { \ |
| 112 | .atype = atype_string, \ |
| 113 | .name = #_name, \ |
| 114 | .u.string.encoding = lttng_encode_##_encoding,\ |
| 115 | }, |
| 116 | |
| 117 | |
| 118 | /* Local declaration */ |
| 119 | #undef TRACE_EVENT_TYPE |
| 120 | #define TRACE_EVENT_TYPE(_name, _abstract_type, args...) \ |
| 121 | TRACE_EVENT_TYPE___##_abstract_type(_name, args) |
| 122 | |
| 123 | #undef TRACE_EVENT_ENUM |
| 124 | #define TRACE_EVENT_ENUM(_name, _entries...) |
| 125 | |
| 126 | #endif /* STAGE_EXPORT_TYPES */ |