perf tools: Resolve machine earlier and pass it to perf_event_ops

Reducing the exposure of perf_session further, so that we can use the
classes in cases where no perf.data file is created.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-stua66dcscsezzrcdugvbmvd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index bde6835..2b8017f 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -18,9 +18,11 @@
 extern const char *map_type__name[MAP__NR_TYPES];
 
 struct dso;
+struct ip_callchain;
 struct ref_reloc_sym;
 struct map_groups;
 struct machine;
+struct perf_evsel;
 
 struct map {
 	union {
@@ -61,6 +63,7 @@
 struct machine {
 	struct rb_node	  rb_node;
 	pid_t		  pid;
+	u16		  id_hdr_size;
 	char		  *root_dir;
 	struct rb_root	  threads;
 	struct list_head  dead_threads;
@@ -151,6 +154,13 @@
 void machine__exit(struct machine *self);
 void machine__delete(struct machine *self);
 
+int machine__resolve_callchain(struct machine *machine,
+			       struct perf_evsel *evsel, struct thread *thread,
+			       struct ip_callchain *chain,
+			       struct symbol **parent);
+int maps__set_kallsyms_ref_reloc_sym(struct map **maps, const char *symbol_name,
+				     u64 addr);
+
 /*
  * Default guest kernel is defined by parameter --guestkallsyms
  * and --guestmodules