845 lines
19 KiB
C
845 lines
19 KiB
C
/* General functions for the WDB TUI.
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Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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Contributed by Hewlett-Packard Company.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <malloc.h>
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#ifdef HAVE_TERM_H
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#include <term.h>
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#endif
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#include <signal.h>
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#include <fcntl.h>
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#include <termio.h>
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#include <setjmp.h>
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#include "defs.h"
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#include "gdbcmd.h"
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#include "tui.h"
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#include "tuiData.h"
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#include "tuiLayout.h"
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#include "tuiIO.h"
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#include "tuiRegs.h"
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#include "tuiWin.h"
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/* The Solaris header files seem to provide no declaration for this at
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all when __STDC__ is defined. This shouldn't conflict with
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anything. */
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extern char *tgoto ();
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/***********************
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** Local Definitions
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************************/
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#define FILEDES 2
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/* Solaris <sys/termios.h> defines CTRL. */
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#ifndef CTRL
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#define CTRL(x) (x & ~0140)
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#endif
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#define CHK(val, dft) (val<=0 ? dft : val)
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#define TOGGLE_USAGE "Usage:toggle breakpoints"
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#define TUI_TOGGLE_USAGE "Usage:\ttoggle $fregs\n\ttoggle breakpoints"
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/*****************************
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** Local static forward decls
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******************************/
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static void _tuiReset (void);
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static void _toggle_command (char *, int);
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static void _tui_vToggle_command (va_list);
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static Opaque _tui_vDo (TuiOpaqueFuncPtr, va_list);
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/***********************
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** Public Functions
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************************/
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/*
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** tuiInit().
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*/
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void
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#ifdef __STDC__
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tuiInit (char *argv0)
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#else
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tuiInit (argv0)
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char *argv0;
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#endif
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{
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extern void init_page_info ();
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extern void initialize_tui_files (void);
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initialize_tui_files ();
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initializeStaticData ();
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initscr ();
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refresh ();
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setTermHeightTo (LINES);
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setTermWidthTo (COLS);
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tuiInitWindows ();
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wrefresh (cmdWin->generic.handle);
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init_page_info ();
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/* Don't hook debugger output if doing command-window
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* the XDB way. However, one thing we do want to do in
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* XDB style is set up the scrolling region to be
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* the bottom of the screen (tuiTermUnsetup()).
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*/
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fputs_unfiltered_hook = NULL;
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rl_initialize (); /* need readline initialization to
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* create termcap sequences
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*/
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tuiTermUnsetup (1, cmdWin->detail.commandInfo.curch);
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return;
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} /* tuiInit */
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/*
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** tuiInitWindows().
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*/
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void
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#ifdef __STDC__
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tuiInitWindows (void)
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#else
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tuiInitWindows ()
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#endif
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{
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TuiWinType type;
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tuiSetLocatorContent (0);
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showLayout (SRC_COMMAND);
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keypad (cmdWin->generic.handle, TRUE);
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echo ();
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crmode ();
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nl ();
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tuiSetWinFocusTo (srcWin);
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return;
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} /* tuiInitWindows */
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/*
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** tuiCleanUp().
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** Kill signal handler and cleanup termination method
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*/
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void
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#ifdef __STDC__
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tuiResetScreen (void)
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#else
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tuiResetScreen ()
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#endif
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{
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TuiWinType type = SRC_WIN;
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keypad (cmdWin->generic.handle, FALSE);
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for (; type < MAX_MAJOR_WINDOWS; type++)
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{
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if (m_winPtrNotNull (winList[type]) &&
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winList[type]->generic.type != UNDEFINED_WIN &&
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!winList[type]->generic.isVisible)
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tuiDelWindow (winList[type]);
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}
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endwin ();
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initscr ();
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refresh ();
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echo ();
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crmode ();
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nl ();
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return;
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} /* tuiResetScreen */
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/*
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** tuiCleanUp().
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** Kill signal handler and cleanup termination method
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*/
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void
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#ifdef __STDC__
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tuiCleanUp (void)
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#else
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tuiCleanUp ()
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#endif
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{
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char *buffer;
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extern char *term_cursor_move;
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signal (SIGINT, SIG_IGN);
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tuiTermSetup (0); /* Restore scrolling region to whole screen */
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keypad (cmdWin->generic.handle, FALSE);
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freeAllWindows ();
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endwin ();
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buffer = tgoto (term_cursor_move, 0, termHeight ());
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tputs (buffer, 1, putchar);
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_tuiReset ();
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return;
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} /* tuiCleanUp */
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/*
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** tuiError().
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*/
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void
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#ifdef __STDC__
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tuiError (
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char *string,
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int exitGdb)
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#else
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tuiError (string, exitGdb)
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char *string;
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int exitGdb;
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#endif
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{
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puts_unfiltered (string);
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if (exitGdb)
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{
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tuiCleanUp ();
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exit (-1);
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}
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return;
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} /* tuiError */
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/*
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** tui_vError()
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** tuiError with args in a va_list.
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*/
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void
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#ifdef __STDC__
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tui_vError (
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va_list args)
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#else
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tui_vError (args)
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va_list args;
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#endif
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{
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char *string;
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int exitGdb;
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string = va_arg (args, char *);
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exitGdb = va_arg (args, int);
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tuiError (string, exitGdb);
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return;
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} /* tui_vError */
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/*
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** tuiFree()
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** Wrapper on top of free() to ensure that input address is greater than 0x0
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*/
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void
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#ifdef __STDC__
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tuiFree (
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char *ptr)
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#else
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tuiFree (ptr)
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char *ptr;
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#endif
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{
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if (ptr != (char *) NULL)
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{
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xfree (ptr);
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}
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return;
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} /* tuiFree */
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/* tuiGetLowDisassemblyAddress().
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** Determine what the low address will be to display in the TUI's
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** disassembly window. This may or may not be the same as the
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** low address input.
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*/
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Opaque
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#ifdef __STDC__
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tuiGetLowDisassemblyAddress (
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Opaque low,
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Opaque pc)
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#else
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tuiGetLowDisassemblyAddress (low, pc)
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Opaque low;
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Opaque pc;
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#endif
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{
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int line;
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Opaque newLow;
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/*
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** Determine where to start the disassembly so that the pc is about in the
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** middle of the viewport.
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*/
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for (line = 0, newLow = pc;
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(newLow > low &&
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line < (tuiDefaultWinViewportHeight (DISASSEM_WIN,
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DISASSEM_COMMAND) / 2));)
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{
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bfd_byte buffer[4];
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newLow -= sizeof (bfd_getb32 (buffer));
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line++;
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}
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return newLow;
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} /* tuiGetLowDisassemblyAddress */
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/* tui_vGetLowDisassemblyAddress().
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** Determine what the low address will be to display in the TUI's
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** disassembly window with args in a va_list.
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*/
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Opaque
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#ifdef __STDC__
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tui_vGetLowDisassemblyAddress (
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va_list args)
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#else
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tui_vGetLowDisassemblyAddress (args)
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va_list args;
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#endif
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{
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int line;
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Opaque newLow;
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Opaque low;
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Opaque pc;
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low = va_arg (args, Opaque);
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pc = va_arg (args, Opaque);
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return (tuiGetLowDisassemblyAddress (low, pc));
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} /* tui_vGetLowDisassemblyAddress */
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/*
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** tuiDo().
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** General purpose function to execute a tui function. Transitions
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** between curses and the are handled here. This function is called
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** by non-tui gdb functions.
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**
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** Errors are caught here.
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** If there is no error, the value returned by 'func' is returned.
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** If there is an error, then zero is returned.
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**
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** Must not be called with immediate_quit in effect (bad things might
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** happen, say we got a signal in the middle of a memcpy to quit_return).
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** This is an OK restriction; with very few exceptions immediate_quit can
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** be replaced by judicious use of QUIT.
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*/
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Opaque
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#ifdef __STDC__
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tuiDo (
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TuiOpaqueFuncPtr func,...)
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#else
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tuiDo (func, va_alist)
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TuiOpaqueFuncPtr func;
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va_dcl
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#endif
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{
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extern int terminal_is_ours;
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Opaque ret = (Opaque) NULL;
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/* It is an error to be tuiDo'ing if we
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* don't own the terminal.
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*/
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if (!terminal_is_ours)
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return ret;
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if (tui_version)
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{
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va_list args;
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#ifdef __STDC__
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va_start (args, func);
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#else
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va_start (args);
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#endif
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ret = _tui_vDo (func, args);
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va_end (args);
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}
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return ret;
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} /* tuiDo */
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/*
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** tuiDoAndReturnToTop().
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** General purpose function to execute a tui function. Transitions
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** between curses and the are handled here. This function is called
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** by non-tui gdb functions who wish to reset gdb to the top level.
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** After the tuiDo is performed, a return to the top level occurs.
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**
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** Errors are caught here.
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** If there is no error, the value returned by 'func' is returned.
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** If there is an error, then zero is returned.
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**
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** Must not be called with immediate_quit in effect (bad things might
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** happen, say we got a signal in the middle of a memcpy to quit_return).
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** This is an OK restriction; with very few exceptions immediate_quit can
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** be replaced by judicious use of QUIT.
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**
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*/
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Opaque
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#ifdef __STDC__
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tuiDoAndReturnToTop (
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TuiOpaqueFuncPtr func,...)
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#else
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tuiDoAndReturnToTop (func, va_alist)
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TuiOpaqueFuncPtr func;
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va_dcl
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#endif
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{
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extern int terminal_is_ours;
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Opaque ret = (Opaque) NULL;
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/* It is an error to be tuiDo'ing if we
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* don't own the terminal.
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*/
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if (!terminal_is_ours)
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return ret;
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if (tui_version)
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{
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va_list args;
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#ifdef __STDC__
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va_start (args, func);
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#else
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va_start (args);
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#endif
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ret = _tui_vDo (func, args);
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/* force a return to the top level */
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return_to_top_level (RETURN_ERROR);
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}
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return ret;
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} /* tuiDoAndReturnToTop */
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void
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#ifdef __STDC__
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tui_vSelectSourceSymtab (
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va_list args)
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#else
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tui_vSelectSourceSymtab (args)
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va_list args;
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#endif
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{
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struct symtab *s = va_arg (args, struct symtab *);
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select_source_symtab (s);
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return;
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} /* tui_vSelectSourceSymtab */
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/*
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** _initialize_tui().
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** Function to initialize gdb commands, for tui window manipulation.
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*/
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void
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_initialize_tui (void)
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{
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#if 0
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if (tui_version)
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{
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add_com ("toggle", class_tui, _toggle_command,
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"Toggle Terminal UI Features\n\
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Usage: Toggle $fregs\n\
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\tToggles between single and double precision floating point registers.\n");
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}
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#endif
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char *helpStr;
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if (tui_version)
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helpStr = "Toggle Specified Features\n\
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Usage:\ttoggle $fregs\n\ttoggle breakpoints";
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else
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helpStr = "Toggle Specified Features\nUsage:toggle breakpoints";
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add_abbrev_prefix_cmd ("toggle",
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class_tui,
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_toggle_command,
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helpStr,
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&togglelist,
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"toggle ",
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1,
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&cmdlist);
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} /* _initialize_tui */
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/*
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** va_catch_errors().
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** General purpose function to execute a function, catching errors.
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** If there is no error, the value returned by 'func' is returned.
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** If there is error, then zero is returned.
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** Note that 'func' must take a variable argument list as well.
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**
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** Must not be called with immediate_quit in effect (bad things might
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** happen, say we got a signal in the middle of a memcpy to quit_return).
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** This is an OK restriction; with very few exceptions immediate_quit can
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** be replaced by judicious use of QUIT.
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*/
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Opaque
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#ifdef __STDC__
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va_catch_errors (
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TuiOpaqueFuncPtr func,
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va_list args)
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#else
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va_catch_errors (func, args)
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TuiOpaqueFuncPtr func;
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va_list args;
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#endif
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{
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Opaque ret = (Opaque) NULL;
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/*
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** We could have used catch_errors(), but it doesn't handle variable args.
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** Also, for the tui, we always want to catch all errors, so we don't
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** need to pass a mask, or an error string.
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*/
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jmp_buf saved_error;
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jmp_buf saved_quit;
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jmp_buf tmp_jmp;
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struct cleanup *saved_cleanup_chain;
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char *saved_error_pre_print;
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char *saved_quit_pre_print;
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extern jmp_buf error_return;
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extern jmp_buf quit_return;
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saved_cleanup_chain = save_cleanups ();
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saved_error_pre_print = error_pre_print;
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saved_quit_pre_print = quit_pre_print;
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memcpy ((char *) saved_error, (char *) error_return, sizeof (jmp_buf));
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error_pre_print = "";
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memcpy (saved_quit, quit_return, sizeof (jmp_buf));
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quit_pre_print = "";
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if (setjmp (tmp_jmp) == 0)
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{
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va_list argList = args;
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memcpy (error_return, tmp_jmp, sizeof (jmp_buf));
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memcpy (quit_return, tmp_jmp, sizeof (jmp_buf));
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ret = func (argList);
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}
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restore_cleanups (saved_cleanup_chain);
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memcpy (error_return, saved_error, sizeof (jmp_buf));
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error_pre_print = saved_error_pre_print;
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memcpy (quit_return, saved_quit, sizeof (jmp_buf));
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quit_pre_print = saved_quit_pre_print;
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return ret;
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}
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|
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/*
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** vcatch_errors().
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** Catch errors occurring in tui or non tui function, handling
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|
** variable param lists. Note that 'func' must take a variable
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** argument list as well.
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*/
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|
Opaque
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#ifdef __STDC__
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vcatch_errors (
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OpaqueFuncPtr func,...)
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#else
|
|
vcatch_errors (va_alist)
|
|
va_dcl
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|
/*
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|
vcatch_errors(func, va_alist)
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|
OpaqueFuncPtr func;
|
|
va_dcl
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|
*/
|
|
#endif
|
|
{
|
|
Opaque ret = (Opaque) NULL;
|
|
va_list args;
|
|
#ifdef __STDC__
|
|
va_start (args, func);
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|
/*
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va_arg(args, OpaqueFuncPtr);
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|
*/
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|
#else
|
|
OpaqueFuncPtr func;
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va_start (args);
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func = va_arg (args, OpaqueFuncPtr);
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#endif
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ret = va_catch_errors (func, args);
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va_end (args);
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return ret;
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}
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|
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|
|
void
|
|
#ifdef __STDC__
|
|
strcat_to_buf (
|
|
char *buf,
|
|
int buflen,
|
|
char *itemToAdd)
|
|
#else
|
|
strcat_to_buf (buf, buflen, itemToAdd)
|
|
char *buf;
|
|
int buflen;
|
|
char *itemToAdd;
|
|
#endif
|
|
{
|
|
if (itemToAdd != (char *) NULL && buf != (char *) NULL)
|
|
{
|
|
if ((strlen (buf) + strlen (itemToAdd)) <= buflen)
|
|
strcat (buf, itemToAdd);
|
|
else
|
|
strncat (buf, itemToAdd, (buflen - strlen (buf)));
|
|
}
|
|
|
|
return;
|
|
} /* strcat_to_buf */
|
|
|
|
/* VARARGS */
|
|
void
|
|
#ifdef ANSI_PROTOTYPES
|
|
strcat_to_buf_with_fmt (
|
|
char *buf,
|
|
int bufLen,
|
|
char *format,...)
|
|
#else
|
|
strcat_to_buf_with_fmt (va_alist)
|
|
va_dcl
|
|
#endif
|
|
{
|
|
char *linebuffer;
|
|
struct cleanup *old_cleanups;
|
|
va_list args;
|
|
#ifdef ANSI_PROTOTYPES
|
|
va_start (args, format);
|
|
#else
|
|
char *buf;
|
|
int bufLen;
|
|
char *format;
|
|
|
|
va_start (args);
|
|
buf = va_arg (args, char *);
|
|
bufLen = va_arg (args, int);
|
|
format = va_arg (args, char *);
|
|
#endif
|
|
vasprintf (&linebuffer, format, args);
|
|
old_cleanups = make_cleanup (xfree, linebuffer);
|
|
strcat_to_buf (buf, bufLen, linebuffer);
|
|
do_cleanups (old_cleanups);
|
|
va_end (args);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/***********************
|
|
** Static Functions
|
|
************************/
|
|
|
|
|
|
/*
|
|
** _tui_vDo().
|
|
** General purpose function to execute a tui function. Transitions
|
|
** between curses and the are handled here. This function is called
|
|
** by non-tui gdb functions.
|
|
**
|
|
** Errors are caught here.
|
|
** If there is no error, the value returned by 'func' is returned.
|
|
** If there is an error, then zero is returned.
|
|
**
|
|
** Must not be called with immediate_quit in effect (bad things might
|
|
** happen, say we got a signal in the middle of a memcpy to quit_return).
|
|
** This is an OK restriction; with very few exceptions immediate_quit can
|
|
** be replaced by judicious use of QUIT.
|
|
*/
|
|
static Opaque
|
|
#ifdef __STDC__
|
|
_tui_vDo (
|
|
TuiOpaqueFuncPtr func,
|
|
va_list args)
|
|
#else
|
|
_tui_vDo (func, args)
|
|
TuiOpaqueFuncPtr func;
|
|
va_list args;
|
|
#endif
|
|
{
|
|
extern int terminal_is_ours;
|
|
|
|
Opaque ret = (Opaque) NULL;
|
|
|
|
/* It is an error to be tuiDo'ing if we
|
|
* don't own the terminal.
|
|
*/
|
|
if (!terminal_is_ours)
|
|
return ret;
|
|
|
|
if (tui_version)
|
|
{
|
|
/* If doing command window the "XDB way" (command window
|
|
* is unmanaged by curses...
|
|
*/
|
|
/* Set up terminal for TUI */
|
|
tuiTermSetup (1);
|
|
|
|
ret = va_catch_errors (func, args);
|
|
|
|
/* Set up terminal for command window */
|
|
tuiTermUnsetup (1, cmdWin->detail.commandInfo.curch);
|
|
}
|
|
|
|
return ret;
|
|
} /* _tui_vDo */
|
|
|
|
|
|
static void
|
|
#ifdef __STDC__
|
|
_toggle_command (
|
|
char *arg,
|
|
int fromTTY)
|
|
#else
|
|
_toggle_command (arg, fromTTY)
|
|
char *arg;
|
|
int fromTTY;
|
|
#endif
|
|
{
|
|
printf_filtered ("Specify feature to toggle.\n%s\n",
|
|
(tui_version) ? TUI_TOGGLE_USAGE : TOGGLE_USAGE);
|
|
/*
|
|
tuiDo((TuiOpaqueFuncPtr)_Toggle_command, arg, fromTTY);
|
|
*/
|
|
}
|
|
|
|
/*
|
|
** _tui_vToggle_command().
|
|
*/
|
|
static void
|
|
#ifdef __STDC__
|
|
_tui_vToggle_command (
|
|
va_list args)
|
|
#else
|
|
_tui_vToggle_command (args)
|
|
va_list args;
|
|
#endif
|
|
{
|
|
char *arg;
|
|
int fromTTY;
|
|
|
|
arg = va_arg (args, char *);
|
|
|
|
if (arg == (char *) NULL)
|
|
printf_filtered (TOGGLE_USAGE);
|
|
else
|
|
{
|
|
char *ptr = (char *) tuiStrDup (arg);
|
|
int i;
|
|
|
|
for (i = 0; (ptr[i]); i++)
|
|
ptr[i] = toupper (arg[i]);
|
|
|
|
if (subsetCompare (ptr, TUI_FLOAT_REGS_NAME))
|
|
tuiToggleFloatRegs ();
|
|
/* else if (subsetCompare(ptr, "ANOTHER TOGGLE OPTION"))
|
|
...
|
|
*/
|
|
else
|
|
printf_filtered (TOGGLE_USAGE);
|
|
tuiFree (ptr);
|
|
}
|
|
|
|
return;
|
|
} /* _tuiToggle_command */
|
|
|
|
|
|
static void
|
|
#ifdef __STDC__
|
|
_tuiReset (void)
|
|
#else
|
|
_tuiReset ()
|
|
#endif
|
|
{
|
|
struct termio mode;
|
|
|
|
/*
|
|
** reset the teletype mode bits to a sensible state.
|
|
** Copied tset.c
|
|
*/
|
|
#if ! defined (USG) && defined (TIOCGETC)
|
|
struct tchars tbuf;
|
|
#endif /* !USG && TIOCGETC */
|
|
#ifdef UCB_NTTY
|
|
struct ltchars ltc;
|
|
|
|
if (ldisc == NTTYDISC)
|
|
{
|
|
ioctl (FILEDES, TIOCGLTC, <c);
|
|
ltc.t_suspc = CHK (ltc.t_suspc, CTRL ('Z'));
|
|
ltc.t_dsuspc = CHK (ltc.t_dsuspc, CTRL ('Y'));
|
|
ltc.t_rprntc = CHK (ltc.t_rprntc, CTRL ('R'));
|
|
ltc.t_flushc = CHK (ltc.t_flushc, CTRL ('O'));
|
|
ltc.t_werasc = CHK (ltc.t_werasc, CTRL ('W'));
|
|
ltc.t_lnextc = CHK (ltc.t_lnextc, CTRL ('V'));
|
|
ioctl (FILEDES, TIOCSLTC, <c);
|
|
}
|
|
#endif /* UCB_NTTY */
|
|
#ifndef USG
|
|
#ifdef TIOCGETC
|
|
ioctl (FILEDES, TIOCGETC, &tbuf);
|
|
tbuf.t_intrc = CHK (tbuf.t_intrc, CTRL ('?'));
|
|
tbuf.t_quitc = CHK (tbuf.t_quitc, CTRL ('\\'));
|
|
tbuf.t_startc = CHK (tbuf.t_startc, CTRL ('Q'));
|
|
tbuf.t_stopc = CHK (tbuf.t_stopc, CTRL ('S'));
|
|
tbuf.t_eofc = CHK (tbuf.t_eofc, CTRL ('D'));
|
|
/* brkc is left alone */
|
|
ioctl (FILEDES, TIOCSETC, &tbuf);
|
|
#endif /* TIOCGETC */
|
|
mode.sg_flags &= ~(RAW
|
|
#ifdef CBREAK
|
|
| CBREAK
|
|
#endif /* CBREAK */
|
|
| VTDELAY | ALLDELAY);
|
|
mode.sg_flags |= XTABS | ECHO | CRMOD | ANYP;
|
|
#else /*USG */
|
|
ioctl (FILEDES, TCGETA, &mode);
|
|
mode.c_cc[VINTR] = CHK (mode.c_cc[VINTR], CTRL ('?'));
|
|
mode.c_cc[VQUIT] = CHK (mode.c_cc[VQUIT], CTRL ('\\'));
|
|
mode.c_cc[VEOF] = CHK (mode.c_cc[VEOF], CTRL ('D'));
|
|
|
|
mode.c_iflag &= ~(IGNBRK | PARMRK | INPCK | INLCR | IGNCR | IUCLC | IXOFF);
|
|
mode.c_iflag |= (BRKINT | ISTRIP | ICRNL | IXON);
|
|
mode.c_oflag &= ~(OLCUC | OCRNL | ONOCR | ONLRET | OFILL | OFDEL |
|
|
NLDLY | CRDLY | TABDLY | BSDLY | VTDLY | FFDLY);
|
|
mode.c_oflag |= (OPOST | ONLCR);
|
|
mode.c_cflag &= ~(CSIZE | PARODD | CLOCAL);
|
|
#ifndef hp9000s800
|
|
mode.c_cflag |= (CS8 | CREAD);
|
|
#else /*hp9000s800 */
|
|
mode.c_cflag |= (CS8 | CSTOPB | CREAD);
|
|
#endif /* hp9000s800 */
|
|
mode.c_lflag &= ~(XCASE | ECHONL | NOFLSH);
|
|
mode.c_lflag |= (ISIG | ICANON | ECHO | ECHOK);
|
|
ioctl (FILEDES, TCSETAW, &mode);
|
|
#endif /* USG */
|
|
|
|
return;
|
|
} /* _tuiReset */
|