gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / event-top.h

diff --git a/gdb/event-top.h b/gdb/event-top.h
index 97142d4686a14ac770e634a68e7f5275f20880a9..f858626dd5313deebca30f1e56e065e0dd6ca1c4 100644 (file)
--- a/gdb/event-top.h
+++ b/gdb/event-top.h
@@ -1,6 +1,6 @@
 /* Definitions used by event-top.c, for GDB, the GNU debugger.
 
-   Copyright (C) 1999-2013 Free Software Foundation, Inc.
+   Copyright (C) 1999-2020 Free Software Foundation, Inc.
 
    Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
 
@@ -22,29 +22,28 @@
 #ifndef EVENT_TOP_H
 #define EVENT_TOP_H
 
+#include <signal.h>
+
 struct cmd_list_element;
 
 /* Exported functions from event-top.c.
    FIXME: these should really go into top.h.  */
 
-extern void display_gdb_prompt (char *new_prompt);
-void gdb_setup_readline (void);
-void gdb_disable_readline (void);
+extern void display_gdb_prompt (const char *new_prompt);
+extern void gdb_setup_readline (int);
+extern void gdb_disable_readline (void);
 extern void async_init_signals (void);
-extern void set_async_editing_command (char *args, int from_tty,
-                                      struct cmd_list_element *c);
+extern void change_line_handler (int);
+
+extern void command_line_handler (gdb::unique_xmalloc_ptr<char> &&rl);
+extern void command_handler (const char *command);
 
-/* Signal to catch ^Z typed while reading a command: SIGTSTP or SIGCONT.  */
-#ifndef STOP_SIGNAL
-#include <signal.h>
 #ifdef SIGTSTP
-#define STOP_SIGNAL SIGTSTP
-extern void handle_stop_sig (int sig);
-#endif
+extern void handle_sigtstp (int sig);
 #endif
+
 extern void handle_sigint (int sig);
 extern void handle_sigterm (int sig);
-extern void gdb_readline2 (void *client_data);
 extern void async_request_quit (void *arg);
 extern void stdin_event_handler (int error, void *client_data);
 extern void async_disable_stdin (void);
@@ -53,15 +52,28 @@ extern void async_enable_stdin (void);
 /* Exported variables from event-top.c.
    FIXME: these should really go into top.h.  */
 
-extern int async_command_editing_p;
-extern int exec_done_display_p;
-extern char *async_annotation_suffix;
+extern bool set_editing_cmd_var;
+extern bool exec_done_display_p;
 extern struct prompts the_prompts;
-extern void (*call_readline) (void *);
-extern void (*input_handler) (char *);
-extern int input_fd;
 extern void (*after_char_processing_hook) (void);
+extern int call_stdin_event_handler_again_p;
+extern void gdb_readline_no_editing_callback (void *client_data);
+
+/* Wrappers for rl_callback_handler_remove and
+   rl_callback_handler_install that keep track of whether the callback
+   handler is installed in readline.  Do not call the readline
+   versions directly.  */
+extern void gdb_rl_callback_handler_remove (void);
+extern void gdb_rl_callback_handler_install (const char *prompt);
+
+/* Reinstall the readline callback handler (with no prompt), if not
+   currently installed.  */
+extern void gdb_rl_callback_handler_reinstall (void);
 
-extern void cli_command_loop (void *);
+/* The SIGSEGV handler for this thread, or NULL if there is none.  GDB
+   always installs a global SIGSEGV handler, and then lets threads
+   indicate their interest in handling the signal by setting this
+   thread-local variable.  */
+extern thread_local void (*thread_local_segv_handler) (int);
 
 #endif