diff options
Diffstat (limited to 'gdb/tui/tui-hooks.c')
| -rw-r--r-- | gdb/tui/tui-hooks.c | 400 |
1 files changed, 0 insertions, 400 deletions
diff --git a/gdb/tui/tui-hooks.c b/gdb/tui/tui-hooks.c deleted file mode 100644 index 38cfc572183..00000000000 --- a/gdb/tui/tui-hooks.c +++ /dev/null @@ -1,400 +0,0 @@ -/* GDB hooks for TUI. - Copyright 2001 Free Software Foundation, Inc. - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* If we need <curses.h>, we must include it before we get "bfd.h". */ -#include "config.h" -#ifdef HAVE_NCURSES_H -#include <ncurses.h> -#else -#ifdef HAVE_CURSES_H -#include <curses.h> -#endif -#endif - -#include "defs.h" -#include "symtab.h" -#include "inferior.h" -#include "command.h" -#include "bfd.h" -#include "symfile.h" -#include "objfiles.h" -#include "target.h" -#include "gdbcore.h" -#include "event-loop.h" -#include "frame.h" -#include "breakpoint.h" -#include "gdb-events.h" -#include <unistd.h> -#include <fcntl.h> - -#include "tui.h" -#include "tuiData.h" -#include "tuiLayout.h" -#include "tuiIO.h" -#include "tuiRegs.h" -#include "tuiWin.h" -#include "tuiStack.h" -#include "tuiDataWin.h" -#include "tuiSourceWin.h" - -int tui_target_has_run = 0; - -static void (* tui_target_new_objfile_chain) (struct objfile*); -extern void (*selected_frame_level_changed_hook) (int); - -static void -tui_new_objfile_hook (struct objfile* objfile) -{ - if (tui_active) - { - tuiDisplayMainFunction (); - } - - if (tui_target_new_objfile_chain) - tui_target_new_objfile_chain (objfile); -} - -static int -tui_query_hook (const char * msg, va_list argp) -{ - int retval; - int ans2; - int answer; - - /* Automatically answer "yes" if input is not from a terminal. */ - if (!input_from_terminal_p ()) - return 1; - - echo (); - while (1) - { - wrap_here (""); /* Flush any buffered output */ - gdb_flush (gdb_stdout); - - vfprintf_filtered (gdb_stdout, msg, argp); - printf_filtered ("(y or n) "); - - wrap_here (""); - gdb_flush (gdb_stdout); - - answer = tui_getc (stdin); - clearerr (stdin); /* in case of C-d */ - if (answer == EOF) /* C-d */ - { - retval = 1; - break; - } - /* Eat rest of input line, to EOF or newline */ - if (answer != '\n') - do - { - ans2 = tui_getc (stdin); - clearerr (stdin); - } - while (ans2 != EOF && ans2 != '\n' && ans2 != '\r'); - - if (answer >= 'a') - answer -= 040; - if (answer == 'Y') - { - retval = 1; - break; - } - if (answer == 'N') - { - retval = 0; - break; - } - printf_filtered ("Please answer y or n.\n"); - } - noecho (); - return retval; -} - -/* Prevent recursion of registers_changed_hook(). */ -static int tui_refreshing_registers = 0; - -static void -tui_registers_changed_hook (void) -{ - struct frame_info *fi; - - fi = selected_frame; - if (fi && tui_refreshing_registers == 0) - { - tui_refreshing_registers = 1; -#if 0 - tuiCheckDataValues (fi); -#endif - tui_refreshing_registers = 0; - } -} - -static void -tui_register_changed_hook (int regno) -{ - struct frame_info *fi; - - fi = selected_frame; - if (fi && tui_refreshing_registers == 0) - { - tui_refreshing_registers = 1; - tuiCheckDataValues (fi); - tui_refreshing_registers = 0; - } -} - -extern struct breakpoint *breakpoint_chain; - -/* Find a breakpoint given its number. Returns null if not found. */ -static struct breakpoint * -get_breakpoint (int number) -{ - struct breakpoint *bp; - - for (bp = breakpoint_chain; bp; bp = bp->next) - { - if (bp->number == number) - return bp; - } - return 0; -} - -/* Breakpoint creation hook. - Update the screen to show the new breakpoint. */ -static void -tui_event_create_breakpoint (int number) -{ - struct breakpoint *bp; - - bp = get_breakpoint (number); - if (bp) - { - switch (bp->type) - { - case bp_breakpoint: - case bp_hardware_breakpoint: - tuiAllSetHasBreakAt (bp, 1); - tuiUpdateAllExecInfos (); - break; - - default: - break; - } - } -} - -/* Breakpoint deletion hook. - Refresh the screen to update the breakpoint marks. */ -static void -tui_event_delete_breakpoint (int number) -{ - struct breakpoint *bp; - struct breakpoint *b; - int clearIt; - - bp = get_breakpoint (number); - if (bp == 0) - return; - - /* Before turning off the visuals for the bp, check to see that - there are no other bps at the same address. */ - clearIt = 0; - for (b = breakpoint_chain; b; b = b->next) - { - clearIt = (b == bp || b->address != bp->address); - if (!clearIt) - break; - } - - if (clearIt) - { - tuiAllSetHasBreakAt (bp, 0); - tuiUpdateAllExecInfos (); - } -} - -static void -tui_event_modify_breakpoint (int number) -{ - ; -} - -static void -tui_event_default (int number) -{ - ; -} - -static struct gdb_events *tui_old_event_hooks; - -static struct gdb_events tui_event_hooks = -{ - tui_event_create_breakpoint, - tui_event_delete_breakpoint, - tui_event_modify_breakpoint, - tui_event_default, - tui_event_default, - tui_event_default -}; - -/* Called when going to wait for the target. - Leave curses mode and setup program mode. */ -static ptid_t -tui_target_wait_hook (ptid_t pid, struct target_waitstatus *status) -{ - ptid_t res; - - /* Leave tui mode (optional). */ -#if 0 - if (tui_active) - { - target_terminal_ours (); - endwin (); - target_terminal_inferior (); - } -#endif - tui_target_has_run = 1; - res = target_wait (pid, status); - - if (tui_active) - { - /* TODO: need to refresh (optional). */ - } - return res; -} - -/* The selected frame has changed. This is happens after a target - stop or when the user explicitly changes the frame (up/down/thread/...). */ -static void -tui_selected_frame_level_changed_hook (int level) -{ - struct frame_info *fi; - - fi = selected_frame; - /* Ensure that symbols for this frame are read in. Also, determine the - source language of this frame, and switch to it if desired. */ - if (fi) - { - struct symtab *s; - - s = find_pc_symtab (fi->pc); - /* elz: this if here fixes the problem with the pc not being displayed - in the tui asm layout, with no debug symbols. The value of s - would be 0 here, and select_source_symtab would abort the - command by calling the 'error' function */ - if (s) - { - select_source_symtab (s); - tuiShowFrameInfo (fi); - } - - /* Refresh the register window if it's visible. */ - if (tui_is_window_visible (DATA_WIN)) - { - tui_refreshing_registers = 1; - tuiCheckDataValues (fi); - tui_refreshing_registers = 0; - } - } -} - -/* Called from print_frame_info to list the line we stopped in. */ -static void -tui_print_frame_info_listing_hook (struct symtab *s, int line, - int stopline, int noerror) -{ - select_source_symtab (s); - tuiShowFrameInfo (selected_frame); -} - -/* Install the TUI specific hooks. */ -void -tui_install_hooks (void) -{ - target_wait_hook = tui_target_wait_hook; - selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook; - print_frame_info_listing_hook = tui_print_frame_info_listing_hook; - - query_hook = tui_query_hook; - - /* Install the event hooks. */ - tui_old_event_hooks = set_gdb_event_hooks (&tui_event_hooks); - - registers_changed_hook = tui_registers_changed_hook; - register_changed_hook = tui_register_changed_hook; -} - -/* Remove the TUI specific hooks. */ -void -tui_remove_hooks (void) -{ - target_wait_hook = 0; - selected_frame_level_changed_hook = 0; - print_frame_info_listing_hook = 0; - query_hook = 0; - registers_changed_hook = 0; - register_changed_hook = 0; - - /* Restore the previous event hooks. */ - set_gdb_event_hooks (tui_old_event_hooks); -} - -/* Cleanup the tui before exiting. */ -static void -tui_exit (void) -{ - /* Disable the tui. Curses mode is left leaving the screen - in a clean state (see endwin()). */ - tui_disable (); -} - -/* Initialize the tui by installing several gdb hooks, initializing - the tui IO and preparing the readline with the kind binding. */ -static void -tui_init_hook (char *argv0) -{ - /* Install exit handler to leave the screen in a good shape. */ - atexit (tui_exit); - - initializeStaticData (); - - /* Install the permanent hooks. */ - tui_target_new_objfile_chain = target_new_objfile_hook; - target_new_objfile_hook = tui_new_objfile_hook; - - tui_initialize_io (); - tui_initialize_readline (); - - /* Decide in which mode to start using GDB (based on -tui). */ - if (tui_version) - { - tui_enable (); - } -} - -/* Initialize the tui. */ -void -_initialize_tui (void) -{ - /* Setup initialization hook. */ - init_ui_hook = tui_init_hook; -} - |