bc6b7f04ca
comparison; cleanup. * tuiSource.c (tuiSetSourceContent): Set window title and filename. * tuiGeneralWin.c (boxWin): Print optional title on top of window. * tuiData.h (TuiSourceInfo): Add filename member. (TuiGenWinInfo): Add title member. * tuiData.c (initGenericPart): Clear title. (freeWindow): Free title and filename; remove unused locals. (initWinInfo): Clear filename. (tuiDelWindow): Free it; remove unused locals.
744 lines
19 KiB
C
744 lines
19 KiB
C
/* TUI display source/assembly window.
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Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation,
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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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/* FIXME: cagney/2002-02-28: The GDB coding standard indicates that
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"defs.h" should be included first. Unfortunatly some systems
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(currently Debian GNU/Linux) include the <stdbool.h> via <curses.h>
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and they clash with "bfd.h"'s definiton of true/false. The correct
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fix is to remove true/false from "bfd.h", however, until that
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happens, hack around it by including "config.h" and <curses.h>
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first. */
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#include "config.h"
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#ifdef HAVE_NCURSES_H
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#include <ncurses.h>
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#else
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#ifdef HAVE_CURSES_H
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#include <curses.h>
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#endif
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#endif
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#include "defs.h"
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#include <ctype.h>
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#include "symtab.h"
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#include "frame.h"
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#include "breakpoint.h"
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#include "value.h"
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#include "tui.h"
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#include "tuiData.h"
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#include "tuiStack.h"
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#include "tuiWin.h"
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#include "tuiGeneralWin.h"
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#include "tuiSourceWin.h"
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#include "tuiSource.h"
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#include "tuiDisassem.h"
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/*****************************************
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** EXTERNAL FUNCTION DECLS **
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******************************************/
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/*****************************************
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** EXTERNAL DATA DECLS **
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******************************************/
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extern int current_source_line;
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extern struct symtab *current_source_symtab;
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/*
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** tuiDisplayMainFunction().
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** Function to display the "main" routine"
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*/
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void
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tuiDisplayMainFunction (void)
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{
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if ((sourceWindows ())->count > 0)
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{
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CORE_ADDR addr;
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addr = parse_and_eval_address ("main");
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if (addr == (CORE_ADDR) 0)
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addr = parse_and_eval_address ("MAIN");
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if (addr != (CORE_ADDR) 0)
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{
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struct symtab_and_line sal;
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tuiUpdateSourceWindowsWithAddr (addr);
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sal = find_pc_line (addr, 0);
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tuiSwitchFilename (sal.symtab->filename);
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}
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}
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return;
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} /* tuiDisplayMainFunction */
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/*
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** tuiUpdateSourceWindow().
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** Function to display source in the source window. This function
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** initializes the horizontal scroll to 0.
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*/
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void
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tuiUpdateSourceWindow (TuiWinInfoPtr winInfo, struct symtab *s,
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TuiLineOrAddress lineOrAddr, int noerror)
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{
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winInfo->detail.sourceInfo.horizontalOffset = 0;
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tuiUpdateSourceWindowAsIs (winInfo, s, lineOrAddr, noerror);
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return;
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} /* tuiUpdateSourceWindow */
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/*
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** tuiUpdateSourceWindowAsIs().
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** Function to display source in the source/asm window. This
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** function shows the source as specified by the horizontal offset.
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*/
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void
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tuiUpdateSourceWindowAsIs (TuiWinInfoPtr winInfo, struct symtab *s,
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TuiLineOrAddress lineOrAddr, int noerror)
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{
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TuiStatus ret;
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if (winInfo->generic.type == SRC_WIN)
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ret = tuiSetSourceContent (s, lineOrAddr.lineNo, noerror);
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else
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ret = tuiSetDisassemContent (s, lineOrAddr.addr);
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if (ret == TUI_FAILURE)
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{
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tuiClearSourceContent (winInfo, EMPTY_SOURCE_PROMPT);
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tuiClearExecInfoContent (winInfo);
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}
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else
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{
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tuiEraseSourceContent (winInfo, NO_EMPTY_SOURCE_PROMPT);
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tuiShowSourceContent (winInfo);
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tuiUpdateExecInfo (winInfo);
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if (winInfo->generic.type == SRC_WIN)
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{
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current_source_line = lineOrAddr.lineNo +
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(winInfo->generic.contentSize - 2);
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current_source_symtab = s;
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/*
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** If the focus was in the asm win, put it in the src
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** win if we don't have a split layout
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*/
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if (tuiWinWithFocus () == disassemWin &&
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currentLayout () != SRC_DISASSEM_COMMAND)
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tuiSetWinFocusTo (srcWin);
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}
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}
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return;
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} /* tuiUpdateSourceWindowAsIs */
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/*
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** tuiUpdateSourceWindowsWithAddr().
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** Function to ensure that the source and/or disassemly windows
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** reflect the input address.
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*/
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void
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tuiUpdateSourceWindowsWithAddr (CORE_ADDR addr)
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{
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if (addr != 0)
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{
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struct symtab_and_line sal;
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TuiLineOrAddress l;
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switch (currentLayout ())
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{
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case DISASSEM_COMMAND:
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case DISASSEM_DATA_COMMAND:
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tuiShowDisassem (addr);
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break;
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case SRC_DISASSEM_COMMAND:
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tuiShowDisassemAndUpdateSource (addr);
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break;
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default:
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sal = find_pc_line (addr, 0);
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l.lineNo = sal.line;
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tuiShowSource (sal.symtab, l, FALSE);
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break;
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}
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}
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else
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{
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int i;
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for (i = 0; i < (sourceWindows ())->count; i++)
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{
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TuiWinInfoPtr winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i];
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tuiClearSourceContent (winInfo, EMPTY_SOURCE_PROMPT);
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tuiClearExecInfoContent (winInfo);
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}
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}
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return;
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} /* tuiUpdateSourceWindowsWithAddr */
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/*
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** tuiUpdateSourceWindowsWithLine().
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** Function to ensure that the source and/or disassemly windows
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** reflect the input address.
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*/
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void
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tuiUpdateSourceWindowsWithLine (struct symtab *s, int line)
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{
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CORE_ADDR pc;
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TuiLineOrAddress l;
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switch (currentLayout ())
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{
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case DISASSEM_COMMAND:
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case DISASSEM_DATA_COMMAND:
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find_line_pc (s, line, &pc);
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tuiUpdateSourceWindowsWithAddr (pc);
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break;
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default:
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l.lineNo = line;
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tuiShowSource (s, l, FALSE);
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if (currentLayout () == SRC_DISASSEM_COMMAND)
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{
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find_line_pc (s, line, &pc);
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tuiShowDisassem (pc);
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}
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break;
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}
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return;
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} /* tuiUpdateSourceWindowsWithLine */
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/*
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** tuiClearSourceContent().
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*/
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void
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tuiClearSourceContent (TuiWinInfoPtr winInfo, int displayPrompt)
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{
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if (m_winPtrNotNull (winInfo))
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{
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register int i;
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winInfo->generic.contentInUse = FALSE;
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tuiEraseSourceContent (winInfo, displayPrompt);
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for (i = 0; i < winInfo->generic.contentSize; i++)
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{
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TuiWinElementPtr element =
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(TuiWinElementPtr) winInfo->generic.content[i];
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element->whichElement.source.hasBreak = FALSE;
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element->whichElement.source.isExecPoint = FALSE;
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}
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}
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return;
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} /* tuiClearSourceContent */
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/*
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** tuiEraseSourceContent().
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*/
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void
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tuiEraseSourceContent (TuiWinInfoPtr winInfo, int displayPrompt)
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{
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int xPos;
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int halfWidth = (winInfo->generic.width - 2) / 2;
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if (winInfo->generic.handle != (WINDOW *) NULL)
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{
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werase (winInfo->generic.handle);
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checkAndDisplayHighlightIfNeeded (winInfo);
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if (displayPrompt == EMPTY_SOURCE_PROMPT)
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{
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char *noSrcStr;
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if (winInfo->generic.type == SRC_WIN)
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noSrcStr = NO_SRC_STRING;
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else
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noSrcStr = NO_DISASSEM_STRING;
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if (strlen (noSrcStr) >= halfWidth)
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xPos = 1;
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else
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xPos = halfWidth - strlen (noSrcStr);
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mvwaddstr (winInfo->generic.handle,
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(winInfo->generic.height / 2),
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xPos,
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noSrcStr);
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/* elz: added this function call to set the real contents of
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the window to what is on the screen, so that later calls
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to refresh, do display
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the correct stuff, and not the old image */
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tuiSetSourceContentNil (winInfo, noSrcStr);
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}
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tuiRefreshWin (&winInfo->generic);
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}
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return;
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} /* tuiEraseSourceContent */
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/* Redraw the complete line of a source or disassembly window. */
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static void
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tui_show_source_line (TuiWinInfoPtr winInfo, int lineno)
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{
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TuiWinElementPtr line;
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int x, y;
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line = (TuiWinElementPtr) winInfo->generic.content[lineno - 1];
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if (line->whichElement.source.isExecPoint)
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wattron (winInfo->generic.handle, A_STANDOUT);
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mvwaddstr (winInfo->generic.handle, lineno, 1,
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line->whichElement.source.line);
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if (line->whichElement.source.isExecPoint)
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wattroff (winInfo->generic.handle, A_STANDOUT);
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/* Clear to end of line but stop before the border. */
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getyx (winInfo->generic.handle, y, x);
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while (x + 1 < winInfo->generic.width)
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{
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waddch (winInfo->generic.handle, ' ');
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getyx (winInfo->generic.handle, y, x);
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}
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}
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/*
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** tuiShowSourceContent().
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*/
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void
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tuiShowSourceContent (TuiWinInfoPtr winInfo)
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{
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if (winInfo->generic.contentSize > 0)
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{
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int lineno;
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for (lineno = 1; lineno <= winInfo->generic.contentSize; lineno++)
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tui_show_source_line (winInfo, lineno);
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}
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else
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tuiEraseSourceContent (winInfo, TRUE);
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checkAndDisplayHighlightIfNeeded (winInfo);
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tuiRefreshWin (&winInfo->generic);
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winInfo->generic.contentInUse = TRUE;
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}
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/*
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** tuiHorizontalSourceScroll().
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** Scroll the source forward or backward horizontally
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*/
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void
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tuiHorizontalSourceScroll (TuiWinInfoPtr winInfo,
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TuiScrollDirection direction,
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int numToScroll)
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{
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if (winInfo->generic.content != (OpaquePtr) NULL)
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{
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int offset;
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struct symtab *s;
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if (current_source_symtab == (struct symtab *) NULL)
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s = find_pc_symtab (selected_frame->pc);
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else
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s = current_source_symtab;
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if (direction == LEFT_SCROLL)
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offset = winInfo->detail.sourceInfo.horizontalOffset + numToScroll;
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else
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{
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if ((offset =
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winInfo->detail.sourceInfo.horizontalOffset - numToScroll) < 0)
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offset = 0;
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}
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winInfo->detail.sourceInfo.horizontalOffset = offset;
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tuiUpdateSourceWindowAsIs (
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winInfo,
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s,
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((TuiWinElementPtr)
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winInfo->generic.content[0])->whichElement.source.lineOrAddr,
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FALSE);
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}
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return;
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} /* tuiHorizontalSourceScroll */
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/*
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** tuiSetHasExecPointAt().
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** Set or clear the hasBreak flag in the line whose line is lineNo.
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*/
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void
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tuiSetIsExecPointAt (TuiLineOrAddress l, TuiWinInfoPtr winInfo)
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{
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int i;
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TuiWinContent content = (TuiWinContent) winInfo->generic.content;
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i = 0;
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while (i < winInfo->generic.contentSize)
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{
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if (content[i]->whichElement.source.lineOrAddr.addr == l.addr)
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content[i]->whichElement.source.isExecPoint = TRUE;
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else
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content[i]->whichElement.source.isExecPoint = FALSE;
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i++;
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}
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return;
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} /* tuiSetIsExecPointAt */
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/*
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** tuiSetHasBreakAt().
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** Set or clear the hasBreak flag in the line whose line is lineNo.
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*/
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void
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tuiSetHasBreakAt (struct breakpoint *bp, TuiWinInfoPtr winInfo, int hasBreak)
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{
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int i;
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TuiWinContent content = (TuiWinContent) winInfo->generic.content;
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i = 0;
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while (i < winInfo->generic.contentSize)
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{
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int gotIt;
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TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
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if (winInfo == srcWin)
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{
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TuiSourceInfoPtr src = &winInfo->detail.sourceInfo;
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gotIt = (src->filename != (char *) NULL &&
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bp->source_file != NULL &&
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(strcmp (bp->source_file, src->filename) == 0) &&
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content[i]->whichElement.source.lineOrAddr.lineNo ==
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bp->line_number);
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}
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else
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gotIt = (content[i]->whichElement.source.lineOrAddr.addr
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== bp->address);
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if (gotIt)
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{
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content[i]->whichElement.source.hasBreak = hasBreak;
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break;
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}
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i++;
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}
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return;
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} /* tuiSetHasBreakAt */
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/*
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** tuiAllSetHasBreakAt().
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** Set or clear the hasBreak flag in all displayed source windows.
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*/
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void
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tuiAllSetHasBreakAt (struct breakpoint *bp, int hasBreak)
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{
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int i;
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for (i = 0; i < (sourceWindows ())->count; i++)
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tuiSetHasBreakAt (bp,
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(TuiWinInfoPtr) (sourceWindows ())->list[i], hasBreak);
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return;
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} /* tuiAllSetHasBreakAt */
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/*********************************
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** EXECUTION INFO FUNCTIONS **
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*********************************/
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/*
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** tuiSetExecInfoContent().
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** Function to initialize the content of the execution info window,
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** based upon the input window which is either the source or
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** disassembly window.
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*/
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TuiStatus
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tuiSetExecInfoContent (TuiWinInfoPtr winInfo)
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{
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TuiStatus ret = TUI_SUCCESS;
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if (winInfo->detail.sourceInfo.executionInfo != (TuiGenWinInfoPtr) NULL)
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{
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TuiGenWinInfoPtr execInfoPtr = winInfo->detail.sourceInfo.executionInfo;
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if (execInfoPtr->content == (OpaquePtr) NULL)
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execInfoPtr->content =
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(OpaquePtr) allocContent (winInfo->generic.height,
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execInfoPtr->type);
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if (execInfoPtr->content != (OpaquePtr) NULL)
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{
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int i;
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for (i = 0; i < winInfo->generic.contentSize; i++)
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{
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TuiWinElementPtr element;
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TuiWinElementPtr srcElement;
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element = (TuiWinElementPtr) execInfoPtr->content[i];
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srcElement = (TuiWinElementPtr) winInfo->generic.content[i];
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/*
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** First check to see if we have a breakpoint that is
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** temporary. If so, and this is our current execution point,
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** then clear the break indicator.
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*/
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if (srcElement->whichElement.source.hasBreak &&
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srcElement->whichElement.source.isExecPoint)
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{
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struct breakpoint *bp;
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int found = FALSE;
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extern struct breakpoint *breakpoint_chain;
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for (bp = breakpoint_chain;
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(bp != (struct breakpoint *) NULL && !found);
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bp = bp->next)
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{
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found =
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(winInfo == srcWin &&
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bp->line_number ==
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srcElement->whichElement.source.lineOrAddr.lineNo) ||
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(winInfo == disassemWin &&
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bp->address == (CORE_ADDR)
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srcElement->whichElement.source.lineOrAddr.addr);
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if (found)
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srcElement->whichElement.source.hasBreak =
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(bp->disposition != disp_del || bp->hit_count <= 0);
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}
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if (!found)
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srcElement->whichElement.source.hasBreak = FALSE;
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}
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/*
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** Now update the exec info content based upon the state
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** of each line as indicated by the source content.
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*/
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if (srcElement->whichElement.source.hasBreak &&
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srcElement->whichElement.source.isExecPoint)
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element->whichElement.simpleString = breakLocationStr ();
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else if (srcElement->whichElement.source.hasBreak)
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element->whichElement.simpleString = breakStr ();
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else if (srcElement->whichElement.source.isExecPoint)
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element->whichElement.simpleString = locationStr ();
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else
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element->whichElement.simpleString = blankStr ();
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}
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execInfoPtr->contentSize = winInfo->generic.contentSize;
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}
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else
|
|
ret = TUI_FAILURE;
|
|
}
|
|
|
|
return ret;
|
|
} /* tuiSetExecInfoContent */
|
|
|
|
|
|
/*
|
|
** tuiShowExecInfoContent().
|
|
*/
|
|
void
|
|
tuiShowExecInfoContent (TuiWinInfoPtr winInfo)
|
|
{
|
|
TuiGenWinInfoPtr execInfo = winInfo->detail.sourceInfo.executionInfo;
|
|
int curLine;
|
|
|
|
werase (execInfo->handle);
|
|
tuiRefreshWin (execInfo);
|
|
for (curLine = 1; (curLine <= execInfo->contentSize); curLine++)
|
|
mvwaddstr (execInfo->handle,
|
|
curLine,
|
|
0,
|
|
((TuiWinElementPtr)
|
|
execInfo->content[curLine - 1])->whichElement.simpleString);
|
|
tuiRefreshWin (execInfo);
|
|
execInfo->contentInUse = TRUE;
|
|
|
|
return;
|
|
} /* tuiShowExecInfoContent */
|
|
|
|
|
|
/*
|
|
** tuiEraseExecInfoContent().
|
|
*/
|
|
void
|
|
tuiEraseExecInfoContent (TuiWinInfoPtr winInfo)
|
|
{
|
|
TuiGenWinInfoPtr execInfo = winInfo->detail.sourceInfo.executionInfo;
|
|
|
|
werase (execInfo->handle);
|
|
tuiRefreshWin (execInfo);
|
|
|
|
return;
|
|
} /* tuiEraseExecInfoContent */
|
|
|
|
/*
|
|
** tuiClearExecInfoContent().
|
|
*/
|
|
void
|
|
tuiClearExecInfoContent (TuiWinInfoPtr winInfo)
|
|
{
|
|
winInfo->detail.sourceInfo.executionInfo->contentInUse = FALSE;
|
|
tuiEraseExecInfoContent (winInfo);
|
|
|
|
return;
|
|
} /* tuiClearExecInfoContent */
|
|
|
|
/*
|
|
** tuiUpdateExecInfo().
|
|
** Function to update the execution info window
|
|
*/
|
|
void
|
|
tuiUpdateExecInfo (TuiWinInfoPtr winInfo)
|
|
{
|
|
tuiSetExecInfoContent (winInfo);
|
|
tuiShowExecInfoContent (winInfo);
|
|
} /* tuiUpdateExecInfo */
|
|
|
|
|
|
/*
|
|
** tuiUpdateAllExecInfos()
|
|
*/
|
|
void
|
|
tuiUpdateAllExecInfos (void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < (sourceWindows ())->count; i++)
|
|
tuiUpdateExecInfo ((TuiWinInfoPtr) (sourceWindows ())->list[i]);
|
|
|
|
return;
|
|
} /* tuiUpdateAllExecInfos */
|
|
|
|
TuiStatus
|
|
tuiAllocSourceBuffer (TuiWinInfoPtr winInfo)
|
|
{
|
|
register char *srcLineBuf;
|
|
register int i, lineWidth, maxLines;
|
|
TuiStatus ret = TUI_FAILURE;
|
|
|
|
maxLines = winInfo->generic.height; /* less the highlight box */
|
|
lineWidth = winInfo->generic.width - 1;
|
|
/*
|
|
** Allocate the buffer for the source lines. Do this only once since they
|
|
** will be re-used for all source displays. The only other time this will
|
|
** be done is when a window's size changes.
|
|
*/
|
|
if (winInfo->generic.content == (OpaquePtr) NULL)
|
|
{
|
|
srcLineBuf = (char *) xmalloc ((maxLines * lineWidth) * sizeof (char));
|
|
if (srcLineBuf == (char *) NULL)
|
|
fputs_unfiltered (
|
|
"Unable to Allocate Memory for Source or Disassembly Display.\n",
|
|
gdb_stderr);
|
|
else
|
|
{
|
|
/* allocate the content list */
|
|
if ((winInfo->generic.content =
|
|
(OpaquePtr) allocContent (maxLines, SRC_WIN)) == (OpaquePtr) NULL)
|
|
{
|
|
tuiFree (srcLineBuf);
|
|
srcLineBuf = (char *) NULL;
|
|
fputs_unfiltered (
|
|
"Unable to Allocate Memory for Source or Disassembly Display.\n",
|
|
gdb_stderr);
|
|
}
|
|
}
|
|
for (i = 0; i < maxLines; i++)
|
|
((TuiWinElementPtr)
|
|
winInfo->generic.content[i])->whichElement.source.line =
|
|
srcLineBuf + (lineWidth * i);
|
|
ret = TUI_SUCCESS;
|
|
}
|
|
else
|
|
ret = TUI_SUCCESS;
|
|
|
|
return ret;
|
|
} /* tuiAllocSourceBuffer */
|
|
|
|
|
|
/*
|
|
** tuiLineIsDisplayed().
|
|
** Answer whether the a particular line number or address is displayed
|
|
** in the current source window.
|
|
*/
|
|
int
|
|
tuiLineIsDisplayed (int line, TuiWinInfoPtr winInfo,
|
|
int checkThreshold)
|
|
{
|
|
int isDisplayed = FALSE;
|
|
int i, threshold;
|
|
|
|
if (checkThreshold)
|
|
threshold = SCROLL_THRESHOLD;
|
|
else
|
|
threshold = 0;
|
|
i = 0;
|
|
while (i < winInfo->generic.contentSize - threshold && !isDisplayed)
|
|
{
|
|
isDisplayed = (((TuiWinElementPtr)
|
|
winInfo->generic.content[i])->whichElement.source.lineOrAddr.lineNo
|
|
== (int) line);
|
|
i++;
|
|
}
|
|
|
|
return isDisplayed;
|
|
} /* tuiLineIsDisplayed */
|
|
|
|
|
|
/*
|
|
** tuiLineIsDisplayed().
|
|
** Answer whether the a particular line number or address is displayed
|
|
** in the current source window.
|
|
*/
|
|
int
|
|
tuiAddrIsDisplayed (CORE_ADDR addr, TuiWinInfoPtr winInfo,
|
|
int checkThreshold)
|
|
{
|
|
int isDisplayed = FALSE;
|
|
int i, threshold;
|
|
|
|
if (checkThreshold)
|
|
threshold = SCROLL_THRESHOLD;
|
|
else
|
|
threshold = 0;
|
|
i = 0;
|
|
while (i < winInfo->generic.contentSize - threshold && !isDisplayed)
|
|
{
|
|
isDisplayed = (((TuiWinElementPtr)
|
|
winInfo->generic.content[i])->whichElement.source.lineOrAddr.addr
|
|
== addr);
|
|
i++;
|
|
}
|
|
|
|
return isDisplayed;
|
|
}
|
|
|
|
|
|
/*****************************************
|
|
** STATIC LOCAL FUNCTIONS **
|
|
******************************************/
|