target: add to_record_stop_replaying target method

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

diff --git a/gdb/top.c b/gdb/top.c
index 01fddd2c95f675f731b28d02adcb760211cdff7b..6388ba25881c39570172c819d435dafcf1908185 100644 (file)
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -49,6 +49,7 @@
 #include "observer.h"
 #include "maint.h"
 #include "filenames.h"
+#include "frame.h"
 
 /* readline include files.  */
 #include "readline/readline.h"
@@ -67,6 +68,10 @@
 #include "tracepoint.h"
 #include "inf-loop.h"
 
+#if defined(TUI)
+# include "tui/tui.h"
+#endif
+
 extern void initialize_all_files (void);
 
 #define PROMPT(X) the_prompts.prompt_stack[the_prompts.top + X].prompt
@@ -221,11 +226,6 @@ void (*deprecated_detach_hook) (void);
 
 void (*deprecated_interactive_hook) (void);
 
-/* Tell the GUI someone changed the register REGNO.  -1 means
-   that the caller does not know which register changed or
-   that several registers have changed (see value_assign).  */
-void (*deprecated_register_changed_hook) (int regno);
-
 /* Called when going to wait for the target.  Usually allows the GUI
    to run while waiting for target events.  */
 
@@ -330,10 +330,11 @@ void
 check_frame_language_change (void)
 {
   static int warned = 0;
+  struct frame_info *frame;
 
   /* First make sure that a new frame has been selected, in case the
      command or the hooks changed the program state.  */
-  deprecated_safe_get_selected_frame ();
+  frame = deprecated_safe_get_selected_frame ();
   if (current_language != expected_language)
     {
       if (language_mode == language_mode_auto && info_verbose)
@@ -353,7 +354,7 @@ check_frame_language_change (void)
     {
       enum language flang;
 
-      flang = get_frame_language ();
+      flang = get_frame_language (frame);
       if (!warned
          && flang != language_unknown
          && flang != current_language->la_language)
@@ -366,6 +367,16 @@ check_frame_language_change (void)
 
 /* See top.h.  */
 
+void
+wait_sync_command_done (void)
+{
+  while (gdb_do_one_event () >= 0)
+    if (!sync_execution)
+      break;
+}
+
+/* See top.h.  */
+
 void
 maybe_wait_sync_command_done (int was_sync)
 {
@@ -374,11 +385,7 @@ maybe_wait_sync_command_done (int was_sync)
      just ran a synchronous command that started the target, wait
      for that command to end.  */
   if (!interpreter_async && !was_sync && sync_execution)
-    {
-      while (gdb_do_one_event () >= 0)
-       if (!sync_execution)
-         break;
-    }
+    wait_sync_command_done ();
 }
 
 /* Execute the line P as a command, in the current user context.
@@ -753,6 +760,21 @@ static char *gdb_readline_wrapper_result;
    return.  */
 static void (*saved_after_char_processing_hook) (void);
 
+
+/* The number of nested readline secondary prompts that are currently
+   active.  */
+
+static int gdb_secondary_prompt_depth = 0;
+
+/* See top.h.  */
+
+int
+gdb_in_secondary_prompt_p (void)
+{
+  return gdb_secondary_prompt_depth > 0;
+}
+
+
 /* This function is called when readline has seen a complete line of
    text.  */
 
@@ -807,6 +829,8 @@ gdb_readline_wrapper_cleanup (void *arg)
 
   gdb_readline_wrapper_result = NULL;
   gdb_readline_wrapper_done = 0;
+  gdb_secondary_prompt_depth--;
+  gdb_assert (gdb_secondary_prompt_depth >= 0);
 
   after_char_processing_hook = saved_after_char_processing_hook;
   saved_after_char_processing_hook = NULL;
@@ -824,7 +848,7 @@ gdb_readline_wrapper (const char *prompt)
   struct gdb_readline_wrapper_cleanup *cleanup;
   char *retval;
 
-  cleanup = xmalloc (sizeof (*cleanup));
+  cleanup = XNEW (struct gdb_readline_wrapper_cleanup);
   cleanup->handler_orig = input_handler;
   input_handler = gdb_readline_wrapper_line;
 
@@ -832,6 +856,7 @@ gdb_readline_wrapper (const char *prompt)
 
   cleanup->target_is_async_orig = target_is_async_p ();
 
+  gdb_secondary_prompt_depth++;
   back_to = make_cleanup (gdb_readline_wrapper_cleanup, cleanup);
 
   if (cleanup->target_is_async_orig)
@@ -1491,6 +1516,21 @@ quit_confirm (void)
   return qr;
 }
 
+/* Prepare to exit GDB cleanly by undoing any changes made to the
+   terminal so that we leave the terminal in the state we acquired it.  */
+
+static void
+undo_terminal_modifications_before_exit (void)
+{
+  target_terminal_ours ();
+#if defined(TUI)
+  tui_disable ();
+#endif
+  if (async_command_editing_p)
+    gdb_disable_readline ();
+}
+
+
 /* Quit without asking for confirmation.  */
 
 void
@@ -1499,6 +1539,8 @@ quit_force (char *args, int from_tty)
   int exit_code = 0;
   struct qt_args qt;
 
+  undo_terminal_modifications_before_exit ();
+
   /* An optional expression may be used to cause gdb to terminate with the 
      value of that expression.  */
   if (args)