1 files changed, 107 insertions, 0 deletions
diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h
new file mode 100644
index 00000000..18862567
--- /dev/null
+++ b/tools/perf/util/header.h
@@ -0,0 +1,107 @@
+#ifndef __PERF_HEADER_H
+#define __PERF_HEADER_H
+
+#include "../../../include/linux/perf_event.h"
+#include <sys/types.h>
+#include <stdbool.h>
+#include "types.h"
+#include "event.h"
+
+#include <linux/bitmap.h>
+
+enum {
+	HEADER_TRACE_INFO = 1,
+	HEADER_BUILD_ID,
+	HEADER_LAST_FEATURE,
+};
+
+#define HEADER_FEAT_BITS			256
+
+struct perf_file_section {
+	u64 offset;
+	u64 size;
+};
+
+struct perf_file_header {
+	u64				magic;
+	u64				size;
+	u64				attr_size;
+	struct perf_file_section	attrs;
+	struct perf_file_section	data;
+	struct perf_file_section	event_types;
+	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
+};
+
+struct perf_pipe_file_header {
+	u64				magic;
+	u64				size;
+};
+
+struct perf_header;
+
+int perf_file_header__read(struct perf_file_header *header,
+			   struct perf_header *ph, int fd);
+
+struct perf_header {
+	int			frozen;
+	bool			needs_swap;
+	s64			attr_offset;
+	u64			data_offset;
+	u64			data_size;
+	u64			event_offset;
+	u64			event_size;
+	DECLARE_BITMAP(adds_features, HEADER_FEAT_BITS);
+};
+
+struct perf_evlist;
+
+int perf_session__read_header(struct perf_session *session, int fd);
+int perf_session__write_header(struct perf_session *session,
+			       struct perf_evlist *evlist,
+			       int fd, bool at_exit);
+int perf_header__write_pipe(int fd);
+
+int perf_header__push_event(u64 id, const char *name);
+char *perf_header__find_event(u64 id);
+
+void perf_header__set_feat(struct perf_header *header, int feat);
+void perf_header__clear_feat(struct perf_header *header, int feat);
+bool perf_header__has_feat(const struct perf_header *header, int feat);
+
+int perf_header__process_sections(struct perf_header *header, int fd,
+				  int (*process)(struct perf_file_section *section,
+						 struct perf_header *ph,
+						 int feat, int fd));
+
+int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
+			  const char *name, bool is_kallsyms);
+int build_id_cache__remove_s(const char *sbuild_id, const char *debugdir);
+
+int perf_event__synthesize_attr(struct perf_event_attr *attr, u16 ids, u64 *id,
+				perf_event__handler_t process,
+				struct perf_session *session);
+int perf_session__synthesize_attrs(struct perf_session *session,
+				   perf_event__handler_t process);
+int perf_event__process_attr(union perf_event *event, struct perf_session *session);
+
+int perf_event__synthesize_event_type(u64 event_id, char *name,
+				      perf_event__handler_t process,
+				      struct perf_session *session);
+int perf_event__synthesize_event_types(perf_event__handler_t process,
+				       struct perf_session *session);
+int perf_event__process_event_type(union perf_event *event,
+				   struct perf_session *session);
+
+int perf_event__synthesize_tracing_data(int fd, struct perf_evlist *evlist,
+					perf_event__handler_t process,
+					struct perf_session *session);
+int perf_event__process_tracing_data(union perf_event *event,
+				     struct perf_session *session);
+
+int perf_event__synthesize_build_id(struct dso *pos, u16 misc,
+				    perf_event__handler_t process,
+				    struct machine *machine,
+				    struct perf_session *session);
+int perf_event__process_build_id(union perf_event *event,
+				 struct perf_session *session);
+#endif /* __PERF_HEADER_H */