-#define CTF_TRACE_SET_FIELD(ctf_trace, field) \
- do { \
- (ctf_trace)->field_mask |= CTF_TRACE_ ## field; \
- } while (0)
-
-#define CTF_TRACE_FIELD_IS_SET(ctf_trace, field) \
- ((ctf_trace)->field_mask & CTF_TRACE_ ## field)
-
-#define CTF_TRACE_GET_FIELD(ctf_trace, field) \
- ({ \
- assert(CTF_TRACE_FIELD_IS_SET(ctf_trace, field)); \
- (ctf_trace)->(field); \
- })
-
-
-struct ctf_trace {
- /* root scope */
- struct declaration_scope *root_declaration_scope;
-
- struct declaration_scope *declaration_scope;
- GPtrArray *streams; /* Array of struct ctf_stream pointers*/
- struct ctf_stream_file metadata;
-
- uint64_t major;
- uint64_t minor;
- uuid_t uuid;
- int byte_order;
-
- enum { /* Fields populated mask */
- CTF_TRACE_major = (1U << 0),
- CTF_TRACE_minor = (1U << 1),
- CTF_TRACE_uuid = (1U << 2),
- } field_mask;
-
- /* Information about trace backing directory and files */
- DIR *dir;
- int dirfd;
- int flags; /* open flags */
-};
-
-#define CTF_STREAM_SET_FIELD(ctf_stream, field) \
- do { \
- (ctf_stream)->field_mask |= CTF_STREAM_ ## field; \
- } while (0)
-
-#define CTF_STREAM_FIELD_IS_SET(ctf_stream, field) \
- ((ctf_stream)->field_mask & CTF_STREAM_ ## field)
-
-#define CTF_STREAM_GET_FIELD(ctf_stream, field) \
- ({ \
- assert(CTF_STREAM_FIELD_IS_SET(ctf_stream, field)); \
- (ctf_stream)->(field); \
- })
-
-struct ctf_stream {
- struct ctf_trace *trace;
- /* parent is lexical scope conaining the stream scope */
- struct declaration_scope *declaration_scope;
- /* innermost definition scope. to be used as parent of event. */
- struct definition_scope *definition_scope;
- GPtrArray *events_by_id; /* Array of struct ctf_event pointers indexed by id */
- GHashTable *event_quark_to_id; /* GQuark to numeric id */
-
- /* Declarations only used when parsing */
- struct declaration_struct *packet_context_decl;
- struct declaration_struct *event_header_decl;
- struct declaration_struct *event_context_decl;
-
- /* Definitions used afterward */
- struct definition_struct *packet_context;
- struct definition_struct *event_header;
- struct definition_struct *event_context;
-
- uint64_t stream_id;
-
- enum { /* Fields populated mask */
- CTF_STREAM_stream_id = (1 << 0),
- } field_mask;
-
- struct ctf_stream_file file; /* Backing file */
-};
-
-#define CTF_EVENT_SET_FIELD(ctf_event, field) \
- do { \
- (ctf_event)->field_mask |= CTF_EVENT_ ## field; \
- } while (0)
-
-#define CTF_EVENT_FIELD_IS_SET(ctf_event, field) \
- ((ctf_event)->field_mask & CTF_EVENT_ ## field)
-
-#define CTF_EVENT_GET_FIELD(ctf_event, field) \
- ({ \
- assert(CTF_EVENT_FIELD_IS_SET(ctf_event, field)); \
- (ctf_event)->(field); \
- })
-
-struct ctf_event {
- /* stream mapped by stream_id */
- struct ctf_stream *stream;
- /* parent is lexical scope conaining the event scope */
- struct declaration_scope *declaration_scope;
-
- /* Declarations only used when parsing */
- struct declaration_struct *context_decl;
- struct declaration_struct *fields_decl;
-
- /* Definitions used afterward */
- struct definition_struct *context;
- struct definition_struct *fields;
-
- GQuark name;
- uint64_t id; /* Numeric identifier within the stream */
- uint64_t stream_id;
-
- enum { /* Fields populated mask */
- CTF_EVENT_name = (1 << 0),
- CTF_EVENT_id = (1 << 1),
- CTF_EVENT_stream_id = (1 << 2),
- } field_mask;
+#define HEADER_END char end_field
+#define header_sizeof(type) offsetof(typeof(type), end_field)
+
+struct metadata_packet_header {
+ uint32_t magic; /* 0x75D11D57 */
+ uint8_t uuid[16]; /* Unique Universal Identifier */
+ uint32_t checksum; /* 0 if unused */
+ uint32_t content_size; /* in bits */
+ uint32_t packet_size; /* in bits */
+ uint8_t compression_scheme; /* 0 if unused */
+ uint8_t encryption_scheme; /* 0 if unused */
+ uint8_t checksum_scheme; /* 0 if unused */
+ uint8_t major; /* CTF spec major version number */
+ uint8_t minor; /* CTF spec minor version number */
+ HEADER_END;