btrace: Replace struct btrace_function::segment.

This used to hold a pair of pointers to the previous and next function segment
that belong to this function call.  Replace with a pair of indices into the
vector of function segments.

1 files changed, 3 insertions, 2 deletions

diff --git a/gdb/record-btrace.c b/gdb/record-btrace.c
index 41f95b3596..55bc7a1a3a 100644
--- a/gdb/record-btrace.c
+++ b/gdb/record-btrace.c
@@ -1584,6 +1584,7 @@ record_btrace_frame_this_id (struct frame_info *this_frame, void **this_cache,
 {
   const struct btrace_frame_cache *cache;
   const struct btrace_function *bfun;
+  struct btrace_call_iterator it;
   CORE_ADDR code, special;
 
   cache = (const struct btrace_frame_cache *) *this_cache;
@@ -1591,8 +1592,8 @@ record_btrace_frame_this_id (struct frame_info *this_frame, void **this_cache,
   bfun = cache->bfun;
   gdb_assert (bfun != NULL);
 
-  while (bfun->segment.prev != NULL)
-    bfun = bfun->segment.prev;
+  while (btrace_find_call_by_number (&it, &cache->tp->btrace, bfun->prev) != 0)
+    bfun = btrace_call_get (&it);
 
   code = get_frame_func (this_frame);
   special = bfun->number;