554 lines
13 KiB
C
554 lines
13 KiB
C
/*
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** This module contains functions for displaying the locator information in the locator window.
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*/
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#include "defs.h"
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#include "symtab.h"
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#include "breakpoint.h"
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#include "frame.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 "tuiSourceWin.h"
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/*****************************************
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** STATIC LOCAL FUNCTIONS FORWARD DECLS **
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******************************************/
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static char *_getFuncNameFromFrame (struct frame_info *);
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static void _tuiUpdateLocation_command (char *, int);
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/*****************************************
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** PUBLIC FUNCTION **
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******************************************/
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/*
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** tuiClearLocatorDisplay()
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*/
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void
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#ifdef __STDC__
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tuiClearLocatorDisplay (void)
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#else
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tuiClearLocatorDisplay ()
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#endif
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{
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TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
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int i;
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if (locator->handle != (WINDOW *) NULL)
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{
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/* No need to werase, since writing a line of
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* blanks which we do below, is equivalent.
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*/
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/* werase(locator->handle); */
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wmove (locator->handle, 0, 0);
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wstandout (locator->handle);
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for (i = 0; i < locator->width; i++)
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waddch (locator->handle, ' ');
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wstandend (locator->handle);
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tuiRefreshWin (locator);
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wmove (locator->handle, 0, 0);
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locator->contentInUse = FALSE;
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}
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return;
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} /* tuiClearLocatorDisplay */
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/*
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** tuiShowLocatorContent()
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*/
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void
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#ifdef __STDC__
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tuiShowLocatorContent (void)
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#else
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tuiShowLocatorContent ()
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#endif
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{
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char *string;
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TuiGenWinInfoPtr locator;
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locator = locatorWinInfoPtr ();
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if (m_genWinPtrNotNull (locator) && locator->handle != (WINDOW *) NULL)
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{
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string = displayableWinContentAt (locator, 0);
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if (string != (char *) NULL)
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{
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wmove (locator->handle, 0, 0);
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wstandout (locator->handle);
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waddstr (locator->handle, string);
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wstandend (locator->handle);
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tuiRefreshWin (locator);
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wmove (locator->handle, 0, 0);
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if (string != nullStr ())
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tuiFree (string);
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locator->contentInUse = TRUE;
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}
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}
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return;
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} /* tuiShowLocatorContent */
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/*
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** tuiSetLocatorInfo().
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** Function to update the locator, with the provided arguments.
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*/
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void
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#ifdef __STDC__
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tuiSetLocatorInfo (
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char *fname,
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char *procname,
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int lineNo,
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Opaque addr,
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TuiLocatorElementPtr element)
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#else
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tuiSetLocatorInfo (fname, procname, lineNo, addr, element)
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char *fname;
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char *procname;
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int lineNo;
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Opaque addr;
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TuiLocatorElementPtr element;
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#endif
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{
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#ifdef COMMENT
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/* first free the old info */
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if (element->fileName)
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tuiFree (element->fileName);
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if (element->procName)
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tuiFree (element->procName);
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if (fname == (char *) NULL)
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element->fileName = fname;
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else
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element->fileName = tuiStrDup (fname);
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if (procname == (char *) NULL)
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element->procName = procname;
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else
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element->procName = tuiStrDup (procname);
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#else
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element->fileName[0] = (char) 0;
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element->procName[0] = (char) 0;
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strcat_to_buf (element->fileName, MAX_LOCATOR_ELEMENT_LEN, fname);
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strcat_to_buf (element->procName, MAX_LOCATOR_ELEMENT_LEN, procname);
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#endif
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element->lineNo = lineNo;
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element->addr = (Opaque) addr;
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return;
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} /* tuiSetLocatorInfo */
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/*
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** tuiUpdateLocatorFilename().
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** Update only the filename portion of the locator.
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*/
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void
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#ifdef __STDC__
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tuiUpdateLocatorFilename (
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char *fileName)
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#else
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tuiUpdateLocatorFilename (fileName)
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char *fileName;
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#endif
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{
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TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
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if (locator->content[0] == (Opaque) NULL)
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tuiSetLocatorContent ((struct frame_info *) NULL);
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((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName[0] = (char) 0;
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strcat_to_buf (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName,
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MAX_LOCATOR_ELEMENT_LEN,
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fileName);
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tuiShowLocatorContent ();
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return;
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} /* tuiUpdateLocatorFilename */
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/*
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** tui_vUpdateLocatorFilename().
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** Update only the filename portion of the locator 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_vUpdateLocatorFilename (
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va_list args)
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#else
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tui_vUpdateLocatorFilename (args)
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va_list args;
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#endif
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{
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char *fileName;
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fileName = va_arg (args, char *);
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tuiUpdateLocatorFilename (fileName);
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return;
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} /* tui_vUpdateLocatorFilename */
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/*
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** tuiSwitchFilename().
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** Update the filename portion of the locator. Clear the other info in locator.
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** (elz)
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*/
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void
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#ifdef __STDC__
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tuiSwitchFilename (
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char *fileName)
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#else
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tuiSwitchFilename (fileName)
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char *fileName;
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#endif
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{
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TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
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if (locator->content[0] == (Opaque) NULL)
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tuiSetLocatorContent ((struct frame_info *) NULL);
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((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName[0] = (char) 0;
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tuiSetLocatorInfo (fileName,
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(char *) NULL,
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0,
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(Opaque) NULL,
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&((TuiWinElementPtr) locator->content[0])->whichElement.locator);
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tuiShowLocatorContent ();
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return;
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} /* tuiSwitchFilename */
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/*
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** tuiGetLocatorFilename().
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** Get the filename portion of the locator.
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** (elz)
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*/
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void
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#ifdef __STDC__
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tuiGetLocatorFilename (
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TuiGenWinInfoPtr locator,
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char **filename)
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#else
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tuiGetLocatorFilename (locator, filename)
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TuiGenWinInfoPtr locator;
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char **filename;
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#endif
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{
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/* the current filename could be non known, in which case the xmalloc would
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allocate no memory, because the length would be 0 */
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if (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName)
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{
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int name_length =
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strlen (((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName);
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(*filename) = (char *) xmalloc (name_length + 1);
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strcpy ((*filename),
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((TuiWinElementPtr) locator->content[0])->whichElement.locator.fileName);
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}
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return;
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} /* tuiGetLocatorFilename */
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/*
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** tuiUpdateLocatorInfoFromFrame().
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** Function to update the locator, with the information extracted from frameInfo
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*/
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void
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#ifdef __STDC__
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tuiUpdateLocatorInfoFromFrame (
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struct frame_info *frameInfo,
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TuiLocatorElementPtr element)
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#else
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tuiUpdateLocatorInfoFromFrame (frameInfo, element)
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struct frame_info *frameInfo;
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TuiLocatorElementPtr element;
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#endif
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{
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struct symtab_and_line symtabAndLine;
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/* now get the new info */
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symtabAndLine = find_pc_line (frameInfo->pc,
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(frameInfo->next != (struct frame_info *) NULL &&
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!frameInfo->next->signal_handler_caller &&
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!frame_in_dummy (frameInfo->next)));
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if (symtabAndLine.symtab && symtabAndLine.symtab->filename)
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tuiSetLocatorInfo (symtabAndLine.symtab->filename,
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_getFuncNameFromFrame (frameInfo),
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symtabAndLine.line,
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(Opaque) frameInfo->pc,
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element);
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else
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tuiSetLocatorInfo ((char *) NULL,
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_getFuncNameFromFrame (frameInfo),
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0,
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(Opaque) frameInfo->pc,
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element);
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return;
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} /* tuiUpdateLocatorInfoFromFrame */
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/*
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** tuiSetLocatorContent().
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** Function to set the content of the locator
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*/
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void
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#ifdef __STDC__
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tuiSetLocatorContent (
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struct frame_info *frameInfo)
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#else
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tuiSetLocatorContent (frameInfo)
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struct frame_info *frameInfo;
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#endif
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{
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TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
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TuiWinElementPtr element;
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struct symtab_and_line symtabAndLine;
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/* Allocate the element if necessary */
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if (locator->contentSize <= 0)
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{
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TuiWinContent contentPtr;
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if ((locator->content = (OpaquePtr) allocContent (1, locator->type)) == (OpaquePtr) NULL)
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error ("Unable to Allocate Memory to Display Location.");
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locator->contentSize = 1;
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}
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if (frameInfo != (struct frame_info *) NULL)
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tuiUpdateLocatorInfoFromFrame (frameInfo,
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&((TuiWinElementPtr) locator->content[0])->whichElement.locator);
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else
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tuiSetLocatorInfo ((char *) NULL,
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(char *) NULL,
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0,
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(Opaque) NULL,
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&((TuiWinElementPtr) locator->content[0])->whichElement.locator);
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return;
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} /* tuiSetLocatorContent */
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/*
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** tuiUpdateLocatorDisplay().
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** Function to update the locator display
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*/
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void
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#ifdef __STDC__
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tuiUpdateLocatorDisplay (
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struct frame_info *frameInfo)
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#else
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tuiUpdateLocatorDisplay (frameInfo)
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struct frame_info *frameInfo;
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#endif
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{
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tuiClearLocatorDisplay ();
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tuiSetLocatorContent (frameInfo);
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tuiShowLocatorContent ();
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return;
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} /* tuiUpdateLocatorDisplay */
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/*
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** tuiShowFrameInfo().
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** Function to print the frame inforrmation for the TUI.
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*/
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void
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#ifdef __STDC__
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tuiShowFrameInfo (
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struct frame_info *fi)
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#else
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tuiShowFrameInfo (fi)
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struct frame_info *fi;
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#endif
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{
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TuiWinInfoPtr winInfo;
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register int i;
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if (fi)
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{
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register int startLine, i;
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register struct symtab *s;
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CORE_ADDR low;
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TuiGenWinInfoPtr locator = locatorWinInfoPtr ();
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int sourceAlreadyDisplayed;
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s = find_pc_symtab (fi->pc);
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sourceAlreadyDisplayed = tuiSourceIsDisplayed (s->filename);
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tuiUpdateLocatorDisplay (fi);
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for (i = 0; i < (sourceWindows ())->count; i++)
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{
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winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i];
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if (winInfo == srcWin)
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{
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startLine =
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(((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo -
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(winInfo->generic.viewportHeight / 2)) + 1;
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if (startLine <= 0)
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startLine = 1;
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}
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else
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{
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if (find_pc_partial_function (fi->pc, (char **) NULL, &low, (CORE_ADDR) NULL) == 0)
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error ("No function contains program counter for selected frame.\n");
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else
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low = (CORE_ADDR) tuiGetLowDisassemblyAddress ((Opaque) low, (Opaque) fi->pc);
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}
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if (winInfo == srcWin)
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{
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if (!(sourceAlreadyDisplayed && m_tuiLineDisplayedWithinThreshold (
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winInfo,
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((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo)))
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tuiUpdateSourceWindow (winInfo, s, (Opaque) startLine, TRUE);
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else
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tuiSetIsExecPointAt ((Opaque)
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((TuiWinElementPtr) locator->content[0])->whichElement.locator.lineNo,
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winInfo);
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}
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else
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{
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if (winInfo == disassemWin)
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{
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if (!m_tuiLineDisplayedWithinThreshold (winInfo,
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((TuiWinElementPtr) locator->content[0])->whichElement.locator.addr))
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tuiUpdateSourceWindow (winInfo, s, (Opaque) low, TRUE);
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else
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tuiSetIsExecPointAt ((Opaque)
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((TuiWinElementPtr) locator->content[0])->whichElement.locator.addr,
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winInfo);
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}
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}
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tuiUpdateExecInfo (winInfo);
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}
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}
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else
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{
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tuiUpdateLocatorDisplay (fi);
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for (i = 0; i < (sourceWindows ())->count; i++)
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{
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winInfo = (TuiWinInfoPtr) (sourceWindows ())->list[i];
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tuiClearSourceContent (winInfo, EMPTY_SOURCE_PROMPT);
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tuiUpdateExecInfo (winInfo);
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}
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}
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return;
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} /* tuiShowFrameInfo */
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/*
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** tui_vShowFrameInfo().
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** Function to print the frame inforrmation for the TUI 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_vShowFrameInfo (
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va_list args)
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#else
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tui_vShowFrameInfo (args)
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va_list args;
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#endif
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{
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struct frame_info *fi;
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fi = va_arg (args, struct frame_info *);
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tuiShowFrameInfo (fi);
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return;
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} /* tui_vShowFrameInfo */
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/*
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** _initialize_tuiStack().
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** Function to initialize gdb commands, for tui window stack manipulation.
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*/
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void
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_initialize_tuiStack (void)
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{
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if (tui_version)
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{
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add_com ("update", class_tui, _tuiUpdateLocation_command,
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"Update the source window and locator to display the current execution point.\n");
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}
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return;
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} /* _initialize_tuiStack */
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/*****************************************
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** STATIC LOCAL FUNCTIONS **
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******************************************/
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/*
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** _getFuncNameFromFrame().
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*/
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static char *
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#ifdef __STDC__
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_getFuncNameFromFrame (
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struct frame_info *frameInfo)
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#else
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_getFuncNameFromFrame (frameInfo)
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struct frame_info *frameInfo;
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#endif
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{
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char *funcName = (char *) NULL;
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find_pc_partial_function (frameInfo->pc,
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&funcName,
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(CORE_ADDR *) NULL,
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(CORE_ADDR *) NULL);
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return funcName;
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} /* _getFuncNameFromFrame */
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/*
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** _tuiUpdateLocation_command().
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** Command to update the display with the current execution point
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*/
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static void
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#ifdef __STDC__
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_tuiUpdateLocation_command (
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char *arg,
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int fromTTY)
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#else
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_tuiUpdateLocation_command (arg, fromTTY)
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char *arg;
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int fromTTY;
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#endif
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{
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#ifndef TRY
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extern void frame_command (char *, int);
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frame_command ("0", FALSE);
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#else
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struct frame_info *curFrame;
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/* Obtain the current execution point */
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if ((curFrame = get_current_frame ()) != (struct frame_info *) NULL)
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{
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struct frame_info *frame;
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int curLevel = 0;
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for (frame = get_prev_frame (curLevel);
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(frame != (struct frame_info *) NULL && (frame != curFrame));
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frame = get_prev_frame (frame))
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curLevel++;
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if (curFrame != (struct frame_info *) NULL)
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print_frame_info (frame, curLevel, 0, 1);
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}
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#endif
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return;
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} /* _tuiUpdateLocation_command */
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