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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [tui/] [tui-hooks.c] - Rev 198
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/* GDB hooks for TUI. Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>. */ #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 "event-top.h" #include "frame.h" #include "breakpoint.h" #include "gdb-events.h" #include "ui-out.h" #include "top.h" #include "observer.h" #include <unistd.h> #include <fcntl.h> #include "tui/tui.h" #include "tui/tui-hooks.h" #include "tui/tui-data.h" #include "tui/tui-layout.h" #include "tui/tui-io.h" #include "tui/tui-regs.h" #include "tui/tui-win.h" #include "tui/tui-stack.h" #include "tui/tui-windata.h" #include "tui/tui-winsource.h" #include "gdb_curses.h" /* This redefines CTRL if it is not already defined, so it must come after terminal state releated include files like <term.h> and "gdb_curses.h". */ #include "readline/readline.h" int tui_target_has_run = 0; static void tui_new_objfile_hook (struct objfile* objfile) { if (tui_active) tui_display_main (); } static int ATTR_FORMAT (printf, 1, 0) tui_query_hook (const char *msg, va_list argp) { int retval; int ans2; int answer; 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 deprecated_register_changed_hook(). */ static int tui_refreshing_registers = 0; static void tui_register_changed_hook (int regno) { struct frame_info *fi; fi = get_selected_frame (NULL); if (tui_refreshing_registers == 0) { tui_refreshing_registers = 1; tui_check_data_values (fi); tui_refreshing_registers = 0; } } /* Breakpoint creation hook. Update the screen to show the new breakpoint. */ static void tui_event_create_breakpoint (int number) { tui_update_all_breakpoint_info (); } /* Breakpoint deletion hook. Refresh the screen to update the breakpoint marks. */ static void tui_event_delete_breakpoint (int number) { tui_update_all_breakpoint_info (); } static void tui_event_modify_breakpoint (int number) { tui_update_all_breakpoint_info (); } 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; /* Negative level means that the selected frame was cleared. */ if (level < 0) return; fi = get_selected_frame (NULL); /* 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 (get_frame_pc (fi)); /* 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); /* Display the frame position (even if there is no symbols). */ tui_show_frame_info (fi); /* Refresh the register window if it's visible. */ if (tui_is_window_visible (DATA_WIN)) { tui_refreshing_registers = 1; tui_check_data_values (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); tui_show_frame_info (get_selected_frame (NULL)); } /* Called when the target process died or is detached. Update the status line. */ static void tui_detach_hook (void) { tui_show_frame_info (0); tui_display_main (); } /* Install the TUI specific hooks. */ void tui_install_hooks (void) { deprecated_target_wait_hook = tui_target_wait_hook; deprecated_selected_frame_level_changed_hook = tui_selected_frame_level_changed_hook; deprecated_print_frame_info_listing_hook = tui_print_frame_info_listing_hook; deprecated_query_hook = tui_query_hook; /* Install the event hooks. */ tui_old_event_hooks = deprecated_set_gdb_event_hooks (&tui_event_hooks); deprecated_register_changed_hook = tui_register_changed_hook; deprecated_detach_hook = tui_detach_hook; } /* Remove the TUI specific hooks. */ void tui_remove_hooks (void) { deprecated_target_wait_hook = 0; deprecated_selected_frame_level_changed_hook = 0; deprecated_print_frame_info_listing_hook = 0; deprecated_query_hook = 0; deprecated_register_changed_hook = 0; deprecated_detach_hook = 0; /* Restore the previous event hooks. */ deprecated_set_gdb_event_hooks (tui_old_event_hooks); } void _initialize_tui_hooks (void); void _initialize_tui_hooks (void) { /* Install the permanent hooks. */ observer_attach_new_objfile (tui_new_objfile_hook); }
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