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https://sourceware.org/git/binutils-gdb.git
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96ec9981bb
* tui.c: Likewise. * tuiCommand.c: Likewise. * tuiData.c: Likewise. * tuiDataWin.c: Likewise. * tuiDisassem.c: Likewise. * tuiGeneralWin.c: Likewise. * tuiIO.c: Likewise. * tuiLayout.c: Likewise. * tuiRegs.c: Likewise. * tuiSource.c: Likewise. * tuiSourceWin.c: Likewise. * tuiStack.c: Likewise. * tuiWin.c: Likewise.
716 lines
18 KiB
C
716 lines
18 KiB
C
/* TUI display source/assembly window.
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Copyright 1998, 1999, 2000, 2001, 2002, 2003 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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#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 "source.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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#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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/* Function to display the "main" routine. */
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void
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tui_display_main (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 = tuiGetBeginAsmAddress ();
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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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if (sal.symtab)
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tuiUpdateLocatorFilename (sal.symtab->filename);
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else
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tuiUpdateLocatorFilename ("??");
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}
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}
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}
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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 (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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tui_update_breakpoint_info (winInfo, 0);
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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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struct symtab_and_line sal;
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sal.line = lineOrAddr.lineNo +
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(winInfo->generic.contentSize - 2);
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sal.symtab = s;
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set_current_source_symtab_and_line (&sal);
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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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struct symtab_and_line cursal = get_current_source_symtab_and_line ();
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if (cursal.symtab == (struct symtab *) NULL)
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s = find_pc_symtab (get_frame_pc (deprecated_selected_frame));
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else
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s = cursal.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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/* Set or clear the hasBreak flag in the line whose line is lineNo. */
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void
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tuiSetIsExecPointAt (TuiLineOrAddress l, TuiWinInfoPtr winInfo)
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{
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int changed = 0;
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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 newState;
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if (content[i]->whichElement.source.lineOrAddr.addr == l.addr)
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newState = TRUE;
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else
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newState = FALSE;
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if (newState != content[i]->whichElement.source.isExecPoint)
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{
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changed++;
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content[i]->whichElement.source.isExecPoint = newState;
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tui_show_source_line (winInfo, i + 1);
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}
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i++;
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}
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if (changed)
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tuiRefreshWin (&winInfo->generic);
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}
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/* Update the execution windows to show the active breakpoints.
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This is called whenever a breakpoint is inserted, removed or
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has its state changed. */
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void
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tui_update_all_breakpoint_info ()
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{
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TuiList* list = sourceWindows ();
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int i;
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for (i = 0; i < list->count; i++)
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{
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TuiWinInfoPtr win = (TuiWinInfoPtr) list->list[i];
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if (tui_update_breakpoint_info (win, FALSE))
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{
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tuiUpdateExecInfo (win);
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}
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}
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}
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/* Scan the source window and the breakpoints to update the
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hasBreak information for each line.
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Returns 1 if something changed and the execution window
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must be refreshed. */
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int
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tui_update_breakpoint_info (TuiWinInfoPtr win, int current_only)
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{
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int i;
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int need_refresh = 0;
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TuiSourceInfoPtr src = &win->detail.sourceInfo;
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for (i = 0; i < win->generic.contentSize; i++)
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{
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struct breakpoint *bp;
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extern struct breakpoint *breakpoint_chain;
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int mode;
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TuiSourceElement* line;
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line = &((TuiWinElementPtr) win->generic.content[i])->whichElement.source;
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if (current_only && !line->isExecPoint)
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continue;
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/* Scan each breakpoint to see if the current line has something to
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do with it. Identify enable/disabled breakpoints as well as
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those that we already hit. */
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mode = 0;
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for (bp = breakpoint_chain;
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bp != (struct breakpoint *) NULL;
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bp = bp->next)
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{
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if ((win == srcWin
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&& bp->source_file
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&& (strcmp (src->filename, bp->source_file) == 0)
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&& bp->line_number == line->lineOrAddr.lineNo)
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|| (win == disassemWin
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&& bp->address == line->lineOrAddr.addr))
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{
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if (bp->enable_state == bp_disabled)
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mode |= TUI_BP_DISABLED;
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else
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mode |= TUI_BP_ENABLED;
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if (bp->hit_count)
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mode |= TUI_BP_HIT;
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if (bp->cond)
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mode |= TUI_BP_CONDITIONAL;
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if (bp->type == bp_hardware_breakpoint)
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mode |= TUI_BP_HARDWARE;
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}
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}
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if (line->hasBreak != mode)
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{
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line->hasBreak = mode;
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need_refresh = 1;
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}
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}
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return need_refresh;
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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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tui_update_breakpoint_info (winInfo, 1);
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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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int mode;
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element = (TuiWinElementPtr) execInfoPtr->content[i];
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srcElement = (TuiWinElementPtr) winInfo->generic.content[i];
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memset(element->whichElement.simpleString, ' ',
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sizeof(element->whichElement.simpleString));
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element->whichElement.simpleString[TUI_EXECINFO_SIZE - 1] = 0;
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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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mode = srcElement->whichElement.source.hasBreak;
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if (mode & TUI_BP_HIT)
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element->whichElement.simpleString[TUI_BP_HIT_POS] =
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(mode & TUI_BP_HARDWARE) ? 'H' : 'B';
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else if (mode & (TUI_BP_ENABLED | TUI_BP_DISABLED))
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element->whichElement.simpleString[TUI_BP_HIT_POS] =
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(mode & TUI_BP_HARDWARE) ? 'h' : 'b';
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if (mode & TUI_BP_ENABLED)
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element->whichElement.simpleString[TUI_BP_BREAK_POS] = '+';
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else if (mode & TUI_BP_DISABLED)
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element->whichElement.simpleString[TUI_BP_BREAK_POS] = '-';
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if (srcElement->whichElement.source.isExecPoint)
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element->whichElement.simpleString[TUI_EXEC_POS] = '>';
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}
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execInfoPtr->contentSize = winInfo->generic.contentSize;
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}
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else
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ret = TUI_FAILURE;
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}
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return ret;
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}
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/*
|
|
** 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 */
|
|
|
|
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 **
|
|
******************************************/
|