gdbserver/

2012-02-02  Pedro Alves  <palves@redhat.com>

	* tracepoint.c (cmd_qtminftpilen): Return 0 if there's no current
	inferior.

gdb/
2012-02-02  Pedro Alves  <palves@redhat.com>

	* remote.c (remote_get_min_fast_tracepoint_insn_len): Return 0 if
	the current inferior has no execution.  Make sure the current
	remote process matches gdb's current inferior.

gdb/ChangeLog

@@ -1,3 +1,9 @@
+2012-02-02  Pedro Alves  <palves@redhat.com>
+
+	* remote.c (remote_get_min_fast_tracepoint_insn_len): Return 0 if
+	the current inferior has no execution.  Make sure the current
+	remote process matches gdb's current inferior.
+
 2012-02-02  Tom Tromey  <tromey@redhat.com>
 
 	PR gdb/13405:

gdb/gdbserver/ChangeLog

@@ -1,3 +1,8 @@
+2012-02-02  Pedro Alves  <palves@redhat.com>
+
+	* tracepoint.c (cmd_qtminftpilen): Return 0 if there's no current
+	inferior.
+
 2012-01-27  Pedro Alves  <palves@redhat.com>
 
 	* linux-low.c (linux_child_pid_to_exec_file): Delete.

gdb/gdbserver/tracepoint.c

@@ -3729,6 +3729,13 @@ cmd_qtstmat (char *packet)
 static void
 cmd_qtminftpilen (char *packet)
 {
+  if (current_inferior == NULL)
+    {
+      /* Indicate that the minimum length is currently unknown.  */
+      strcpy (packet, "0");
+      return;
+    }
+
   sprintf (packet, "%x", target_get_min_fast_tracepoint_insn_len ());
 }
 

gdb/remote.c

@@ -10592,6 +10592,14 @@ remote_get_min_fast_tracepoint_insn_len (void)
   struct remote_state *rs = get_remote_state ();
   char *reply;
 
+  /* If we're not debugging a process yet, the IPA can't be
+     loaded.  */
+  if (!target_has_execution)
+    return 0;
+
+  /* Make sure the remote is pointing at the right process.  */
+  set_general_process ();
+
   sprintf (rs->buf, "qTMinFTPILen");
   putpkt (rs->buf);
   reply = remote_get_noisy_reply (&target_buf, &target_buf_size);