btrace: add format argument to supports_btrace

[deliverable/binutils-gdb.git] / gdb / remote.c

diff --git a/gdb/remote.c b/gdb/remote.c
index 9be15cb3073bbedf5165c76a58977d3471c2f227..61420ec96e5d1eebee49ea23a60b86e6937df79d 100644 (file)
--- a/gdb/remote.c
+++ b/gdb/remote.c
@@ -11324,16 +11324,23 @@ struct btrace_target_info
 /* Check whether the target supports branch tracing.  */
 
 static int
-remote_supports_btrace (struct target_ops *self)
+remote_supports_btrace (struct target_ops *self, enum btrace_format format)
 {
   if (packet_support (PACKET_Qbtrace_off) != PACKET_ENABLE)
     return 0;
-  if (packet_support (PACKET_Qbtrace_bts) != PACKET_ENABLE)
-    return 0;
   if (packet_support (PACKET_qXfer_btrace) != PACKET_ENABLE)
     return 0;
 
-  return 1;
+  switch (format)
+    {
+      case BTRACE_FORMAT_NONE:
+       return 0;
+
+      case BTRACE_FORMAT_BTS:
+       return (packet_support (PACKET_Qbtrace_bts) == PACKET_ENABLE);
+    }
+
+  internal_error (__FILE__, __LINE__, _("Unknown branch trace format"));
 }
 
 /* Enable branch tracing.  */
@@ -11419,7 +11426,7 @@ remote_teardown_btrace (struct target_ops *self,
 
 static enum btrace_error
 remote_read_btrace (struct target_ops *self,
-                   VEC (btrace_block_s) **btrace,
+                   struct btrace_data *btrace,
                    struct btrace_target_info *tinfo,
                    enum btrace_read_type type)
 {
@@ -11459,7 +11466,7 @@ remote_read_btrace (struct target_ops *self,
     return BTRACE_ERR_UNKNOWN;
 
   cleanup = make_cleanup (xfree, xml);
-  *btrace = parse_xml_btrace (xml);
+  parse_xml_btrace (btrace, xml);
   do_cleanups (cleanup);
 
   return BTRACE_ERR_NONE;
@@ -11691,9 +11698,17 @@ remote_async (struct target_ops *ops,
       serial_async (rs->remote_desc, remote_async_serial_handler, rs);
       rs->async_client_callback = callback;
       rs->async_client_context = context;
+
+      /* If there are pending events in the stop reply queue tell the
+        event loop to process them.  */
+      if (!QUEUE_is_empty (stop_reply_p, stop_reply_queue))
+       mark_async_event_handler (remote_async_inferior_event_token);
     }
   else
-    serial_async (rs->remote_desc, NULL, NULL);
+    {
+      serial_async (rs->remote_desc, NULL, NULL);
+      clear_async_event_handler (remote_async_inferior_event_token);
+    }
 }
 
 static void