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diff --git a/gdb/tui/tui-regs.c b/gdb/tui/tui-regs.c
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+/* TUI display registers in window.
+
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation,
+ Inc.
+
+ Contributed by Hewlett-Packard Company.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "tui/tui.h"
+#include "tui/tui-data.h"
+#include "symtab.h"
+#include "gdbtypes.h"
+#include "gdbcmd.h"
+#include "frame.h"
+#include "regcache.h"
+#include "inferior.h"
+#include "target.h"
+#include "tui/tui-layout.h"
+#include "tui/tui-win.h"
+#include "tui/tui-windata.h"
+#include "tui/tui-wingeneral.h"
+#include "tui/tui-file.h"
+
+#ifdef HAVE_NCURSES_H
+#include <ncurses.h>
+#else
+#ifdef HAVE_CURSES_H
+#include <curses.h>
+#endif
+#endif
+
+/*****************************************
+** LOCAL DEFINITIONS **
+******************************************/
+#define DOUBLE_FLOAT_LABEL_WIDTH 6
+#define DOUBLE_FLOAT_LABEL_FMT "%6.6s: "
+#define DOUBLE_FLOAT_VALUE_WIDTH 30 /*min of 16 but may be in sci notation */
+
+#define SINGLE_FLOAT_LABEL_WIDTH 6
+#define SINGLE_FLOAT_LABEL_FMT "%6.6s: "
+#define SINGLE_FLOAT_VALUE_WIDTH 25 /* min of 8 but may be in sci notation */
+
+#define SINGLE_LABEL_WIDTH 16
+#define SINGLE_LABEL_FMT "%10.10s: "
+#define SINGLE_VALUE_WIDTH 20 /* minimum of 8 but may be in sci notation */
+
+/* In the code HP gave Cygnus, this was actually a function call to a
+ PA-specific function, which was supposed to determine whether the
+ target was a 64-bit or 32-bit processor. However, the 64-bit
+ support wasn't complete, so we didn't merge that in, so we leave
+ this here as a stub. */
+#define IS_64BIT 0
+
+/*****************************************
+** STATIC DATA **
+******************************************/
+
+
+/*****************************************
+** STATIC LOCAL FUNCTIONS FORWARD DECLS **
+******************************************/
+static TuiStatus _tuiSetRegsContent
+ (int, int, struct frame_info *, TuiRegisterDisplayType, int);
+static const char *_tuiRegisterName (int);
+static TuiStatus _tuiGetRegisterRawValue (int, char *, struct frame_info *);
+static void _tuiSetRegisterElement
+ (int, struct frame_info *, TuiDataElementPtr, int);
+static void _tuiDisplayRegister (int, TuiGenWinInfoPtr, enum precision_type);
+static void _tuiRegisterFormat
+ (char *, int, int, TuiDataElementPtr, enum precision_type);
+static TuiStatus _tuiSetGeneralRegsContent (int);
+static TuiStatus _tuiSetSpecialRegsContent (int);
+static TuiStatus _tuiSetGeneralAndSpecialRegsContent (int);
+static TuiStatus _tuiSetFloatRegsContent (TuiRegisterDisplayType, int);
+static int _tuiRegValueHasChanged
+ (TuiDataElementPtr, struct frame_info *, char *);
+static void _tuiShowFloat_command (char *, int);
+static void _tuiShowGeneral_command (char *, int);
+static void _tuiShowSpecial_command (char *, int);
+static void _tui_vShowRegisters_commandSupport (TuiRegisterDisplayType);
+static void _tuiToggleFloatRegs_command (char *, int);
+static void _tuiScrollRegsForward_command (char *, int);
+static void _tuiScrollRegsBackward_command (char *, int);
+
+
+
+/*****************************************
+** PUBLIC FUNCTIONS **
+******************************************/
+
+/*
+ ** tuiLastRegsLineNo()
+ ** Answer the number of the last line in the regs display.
+ ** If there are no registers (-1) is returned.
+ */
+int
+tuiLastRegsLineNo (void)
+{
+ register int numLines = (-1);
+
+ if (dataWin->detail.dataDisplayInfo.regsContentCount > 0)
+ {
+ numLines = (dataWin->detail.dataDisplayInfo.regsContentCount /
+ dataWin->detail.dataDisplayInfo.regsColumnCount);
+ if (dataWin->detail.dataDisplayInfo.regsContentCount %
+ dataWin->detail.dataDisplayInfo.regsColumnCount)
+ numLines++;
+ }
+ return numLines;
+} /* tuiLastRegsLineNo */
+
+
+/*
+ ** tuiLineFromRegElementNo()
+ ** Answer the line number that the register element at elementNo is
+ ** on. If elementNo is greater than the number of register elements
+ ** there are, -1 is returned.
+ */
+int
+tuiLineFromRegElementNo (int elementNo)
+{
+ if (elementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
+ {
+ int i, line = (-1);
+
+ i = 1;
+ while (line == (-1))
+ {
+ if (elementNo <
+ (dataWin->detail.dataDisplayInfo.regsColumnCount * i))
+ line = i - 1;
+ else
+ i++;
+ }
+
+ return line;
+ }
+ else
+ return (-1);
+} /* tuiLineFromRegElementNo */
+
+
+/*
+ ** tuiFirstRegElementNoInLine()
+ ** Answer the index of the first element in lineNo. If lineNo is
+ ** past the register area (-1) is returned.
+ */
+int
+tuiFirstRegElementNoInLine (int lineNo)
+{
+ if ((lineNo * dataWin->detail.dataDisplayInfo.regsColumnCount)
+ <= dataWin->detail.dataDisplayInfo.regsContentCount)
+ return ((lineNo + 1) *
+ dataWin->detail.dataDisplayInfo.regsColumnCount) -
+ dataWin->detail.dataDisplayInfo.regsColumnCount;
+ else
+ return (-1);
+} /* tuiFirstRegElementNoInLine */
+
+
+/*
+ ** tuiLastRegElementNoInLine()
+ ** Answer the index of the last element in lineNo. If lineNo is past
+ ** the register area (-1) is returned.
+ */
+int
+tuiLastRegElementNoInLine (int lineNo)
+{
+ if ((lineNo * dataWin->detail.dataDisplayInfo.regsColumnCount) <=
+ dataWin->detail.dataDisplayInfo.regsContentCount)
+ return ((lineNo + 1) *
+ dataWin->detail.dataDisplayInfo.regsColumnCount) - 1;
+ else
+ return (-1);
+} /* tuiLastRegElementNoInLine */
+
+
+/*
+ ** tuiCalculateRegsColumnCount
+ ** Calculate the number of columns that should be used to display
+ ** the registers.
+ */
+int
+tuiCalculateRegsColumnCount (TuiRegisterDisplayType dpyType)
+{
+ int colCount, colWidth;
+
+ if (IS_64BIT || dpyType == TUI_DFLOAT_REGS)
+ colWidth = DOUBLE_FLOAT_VALUE_WIDTH + DOUBLE_FLOAT_LABEL_WIDTH;
+ else
+ {
+ if (dpyType == TUI_SFLOAT_REGS)
+ colWidth = SINGLE_FLOAT_VALUE_WIDTH + SINGLE_FLOAT_LABEL_WIDTH;
+ else
+ colWidth = SINGLE_VALUE_WIDTH + SINGLE_LABEL_WIDTH;
+ }
+ colCount = (dataWin->generic.width - 2) / colWidth;
+
+ return colCount;
+} /* tuiCalulateRegsColumnCount */
+
+
+/*
+ ** tuiShowRegisters().
+ ** Show the registers int the data window as indicated by dpyType.
+ ** If there is any other registers being displayed, then they are
+ ** cleared. What registers are displayed is dependent upon dpyType.
+ */
+void
+tuiShowRegisters (TuiRegisterDisplayType dpyType)
+{
+ TuiStatus ret = TUI_FAILURE;
+ int refreshValuesOnly = FALSE;
+
+ /* Say that registers should be displayed, even if there is a problem */
+ dataWin->detail.dataDisplayInfo.displayRegs = TRUE;
+
+ if (target_has_registers)
+ {
+ refreshValuesOnly =
+ (dpyType == dataWin->detail.dataDisplayInfo.regsDisplayType);
+ switch (dpyType)
+ {
+ case TUI_GENERAL_REGS:
+ ret = _tuiSetGeneralRegsContent (refreshValuesOnly);
+ break;
+ case TUI_SFLOAT_REGS:
+ case TUI_DFLOAT_REGS:
+ ret = _tuiSetFloatRegsContent (dpyType, refreshValuesOnly);
+ break;
+
+/* could ifdef out */
+
+ case TUI_SPECIAL_REGS:
+ ret = _tuiSetSpecialRegsContent (refreshValuesOnly);
+ break;
+ case TUI_GENERAL_AND_SPECIAL_REGS:
+ ret = _tuiSetGeneralAndSpecialRegsContent (refreshValuesOnly);
+ break;
+
+/* end of potential if def */
+
+ default:
+ break;
+ }
+ }
+ if (ret == TUI_FAILURE)
+ {
+ dataWin->detail.dataDisplayInfo.regsDisplayType = TUI_UNDEFINED_REGS;
+ tuiEraseDataContent (NO_REGS_STRING);
+ }
+ else
+ {
+ int i;
+
+ /* Clear all notation of changed values */
+ for (i = 0; (i < dataWin->detail.dataDisplayInfo.regsContentCount); i++)
+ {
+ TuiGenWinInfoPtr dataItemWin;
+
+ dataItemWin = &dataWin->detail.dataDisplayInfo.
+ regsContent[i]->whichElement.dataWindow;
+ (&((TuiWinElementPtr)
+ dataItemWin->content[0])->whichElement.data)->highlight = FALSE;
+ }
+ dataWin->detail.dataDisplayInfo.regsDisplayType = dpyType;
+ tuiDisplayAllData ();
+ }
+ (tuiLayoutDef ())->regsDisplayType = dpyType;
+
+ return;
+} /* tuiShowRegisters */
+
+
+/*
+ ** tuiDisplayRegistersFrom().
+ ** Function to display the registers in the content from
+ ** 'startElementNo' until the end of the register content or the
+ ** end of the display height. No checking for displaying past
+ ** the end of the registers is done here.
+ */
+void
+tuiDisplayRegistersFrom (int startElementNo)
+{
+ if (dataWin->detail.dataDisplayInfo.regsContent != (TuiWinContent) NULL &&
+ dataWin->detail.dataDisplayInfo.regsContentCount > 0)
+ {
+ register int i = startElementNo;
+ int j, valueCharsWide, itemWinWidth, curY, labelWidth;
+ enum precision_type precision;
+
+ precision = (dataWin->detail.dataDisplayInfo.regsDisplayType
+ == TUI_DFLOAT_REGS) ?
+ double_precision : unspecified_precision;
+ if (IS_64BIT ||
+ dataWin->detail.dataDisplayInfo.regsDisplayType == TUI_DFLOAT_REGS)
+ {
+ valueCharsWide = DOUBLE_FLOAT_VALUE_WIDTH;
+ labelWidth = DOUBLE_FLOAT_LABEL_WIDTH;
+ }
+ else
+ {
+ if (dataWin->detail.dataDisplayInfo.regsDisplayType ==
+ TUI_SFLOAT_REGS)
+ {
+ valueCharsWide = SINGLE_FLOAT_VALUE_WIDTH;
+ labelWidth = SINGLE_FLOAT_LABEL_WIDTH;
+ }
+ else
+ {
+ valueCharsWide = SINGLE_VALUE_WIDTH;
+ labelWidth = SINGLE_LABEL_WIDTH;
+ }
+ }
+ itemWinWidth = valueCharsWide + labelWidth;
+ /*
+ ** Now create each data "sub" window, and write the display into it.
+ */
+ curY = 1;
+ while (i < dataWin->detail.dataDisplayInfo.regsContentCount &&
+ curY <= dataWin->generic.viewportHeight)
+ {
+ for (j = 0;
+ (j < dataWin->detail.dataDisplayInfo.regsColumnCount &&
+ i < dataWin->detail.dataDisplayInfo.regsContentCount); j++)
+ {
+ TuiGenWinInfoPtr dataItemWin;
+ TuiDataElementPtr dataElementPtr;
+
+ /* create the window if necessary */
+ dataItemWin = &dataWin->detail.dataDisplayInfo.
+ regsContent[i]->whichElement.dataWindow;
+ dataElementPtr = &((TuiWinElementPtr)
+ dataItemWin->content[0])->whichElement.data;
+ if (dataItemWin->handle == (WINDOW *) NULL)
+ {
+ dataItemWin->height = 1;
+ dataItemWin->width = (precision == double_precision) ?
+ itemWinWidth + 2 : itemWinWidth + 1;
+ dataItemWin->origin.x = (itemWinWidth * j) + 1;
+ dataItemWin->origin.y = curY;
+ makeWindow (dataItemWin, DONT_BOX_WINDOW);
+ scrollok (dataItemWin->handle, FALSE);
+ }
+ touchwin (dataItemWin->handle);
+
+ /*
+ ** Get the printable representation of the register
+ ** and display it
+ */
+ _tuiDisplayRegister (
+ dataElementPtr->itemNo, dataItemWin, precision);
+ i++; /* next register */
+ }
+ curY++; /* next row; */
+ }
+ }
+
+ return;
+} /* tuiDisplayRegistersFrom */
+
+
+/*
+ ** tuiDisplayRegElementAtLine().
+ ** Function to display the registers in the content from
+ ** 'startElementNo' on 'startLineNo' until the end of the
+ ** register content or the end of the display height.
+ ** This function checks that we won't display off the end
+ ** of the register display.
+ */
+void
+tuiDisplayRegElementAtLine (int startElementNo, int startLineNo)
+{
+ if (dataWin->detail.dataDisplayInfo.regsContent != (TuiWinContent) NULL &&
+ dataWin->detail.dataDisplayInfo.regsContentCount > 0)
+ {
+ register int elementNo = startElementNo;
+
+ if (startElementNo != 0 && startLineNo != 0)
+ {
+ register int lastLineNo, firstLineOnLastPage;
+
+ lastLineNo = tuiLastRegsLineNo ();
+ firstLineOnLastPage = lastLineNo - (dataWin->generic.height - 2);
+ if (firstLineOnLastPage < 0)
+ firstLineOnLastPage = 0;
+ /*
+ ** If there is no other data displayed except registers,
+ ** and the elementNo causes us to scroll past the end of the
+ ** registers, adjust what element to really start the display at.
+ */
+ if (dataWin->detail.dataDisplayInfo.dataContentCount <= 0 &&
+ startLineNo > firstLineOnLastPage)
+ elementNo = tuiFirstRegElementNoInLine (firstLineOnLastPage);
+ }
+ tuiDisplayRegistersFrom (elementNo);
+ }
+
+ return;
+} /* tuiDisplayRegElementAtLine */
+
+
+
+/*
+ ** tuiDisplayRegistersFromLine().
+ ** Function to display the registers starting at line lineNo in
+ ** the data window. Answers the line number that the display
+ ** actually started from. If nothing is displayed (-1) is returned.
+ */
+int
+tuiDisplayRegistersFromLine (int lineNo, int forceDisplay)
+{
+ if (dataWin->detail.dataDisplayInfo.regsContentCount > 0)
+ {
+ int line, elementNo;
+
+ if (lineNo < 0)
+ line = 0;
+ else if (forceDisplay)
+ { /*
+ ** If we must display regs (forceDisplay is true), then make
+ ** sure that we don't display off the end of the registers.
+ */
+ if (lineNo >= tuiLastRegsLineNo ())
+ {
+ if ((line = tuiLineFromRegElementNo (
+ dataWin->detail.dataDisplayInfo.regsContentCount - 1)) < 0)
+ line = 0;
+ }
+ else
+ line = lineNo;
+ }
+ else
+ line = lineNo;
+
+ elementNo = tuiFirstRegElementNoInLine (line);
+ if (elementNo < dataWin->detail.dataDisplayInfo.regsContentCount)
+ tuiDisplayRegElementAtLine (elementNo, line);
+ else
+ line = (-1);
+
+ return line;
+ }
+
+ return (-1); /* nothing was displayed */
+} /* tuiDisplayRegistersFromLine */
+
+
+/*
+ ** tuiCheckRegisterValues()
+ ** This function check all displayed registers for changes in
+ ** values, given a particular frame. If the values have changed,
+ ** they are updated with the new value and highlighted.
+ */
+void
+tuiCheckRegisterValues (struct frame_info *frame)
+{
+ if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible)
+ {
+ if (dataWin->detail.dataDisplayInfo.regsContentCount <= 0 &&
+ dataWin->detail.dataDisplayInfo.displayRegs)
+ tuiShowRegisters ((tuiLayoutDef ())->regsDisplayType);
+ else
+ {
+ int i, j;
+ char rawBuf[MAX_REGISTER_SIZE];
+
+ for (i = 0;
+ (i < dataWin->detail.dataDisplayInfo.regsContentCount); i++)
+ {
+ TuiDataElementPtr dataElementPtr;
+ TuiGenWinInfoPtr dataItemWinPtr;
+ int wasHilighted;
+
+ dataItemWinPtr = &dataWin->detail.dataDisplayInfo.
+ regsContent[i]->whichElement.dataWindow;
+ dataElementPtr = &((TuiWinElementPtr)
+ dataItemWinPtr->content[0])->whichElement.data;
+ wasHilighted = dataElementPtr->highlight;
+ dataElementPtr->highlight =
+ _tuiRegValueHasChanged (dataElementPtr, frame, &rawBuf[0]);
+ if (dataElementPtr->highlight)
+ {
+ int size;
+
+ size = DEPRECATED_REGISTER_RAW_SIZE (dataElementPtr->itemNo);
+ for (j = 0; j < size; j++)
+ ((char *) dataElementPtr->value)[j] = rawBuf[j];
+ _tuiDisplayRegister (
+ dataElementPtr->itemNo,
+ dataItemWinPtr,
+ ((dataWin->detail.dataDisplayInfo.regsDisplayType ==
+ TUI_DFLOAT_REGS) ?
+ double_precision : unspecified_precision));
+ }
+ else if (wasHilighted)
+ {
+ dataElementPtr->highlight = FALSE;
+ _tuiDisplayRegister (
+ dataElementPtr->itemNo,
+ dataItemWinPtr,
+ ((dataWin->detail.dataDisplayInfo.regsDisplayType ==
+ TUI_DFLOAT_REGS) ?
+ double_precision : unspecified_precision));
+ }
+ }
+ }
+ }
+ return;
+} /* tuiCheckRegisterValues */
+
+
+/*
+ ** tuiToggleFloatRegs().
+ */
+void
+tuiToggleFloatRegs (void)
+{
+ TuiLayoutDefPtr layoutDef = tuiLayoutDef ();
+
+ if (layoutDef->floatRegsDisplayType == TUI_SFLOAT_REGS)
+ layoutDef->floatRegsDisplayType = TUI_DFLOAT_REGS;
+ else
+ layoutDef->floatRegsDisplayType = TUI_SFLOAT_REGS;
+
+ if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible &&
+ (dataWin->detail.dataDisplayInfo.regsDisplayType == TUI_SFLOAT_REGS ||
+ dataWin->detail.dataDisplayInfo.regsDisplayType == TUI_DFLOAT_REGS))
+ tuiShowRegisters (layoutDef->floatRegsDisplayType);
+
+ return;
+} /* tuiToggleFloatRegs */
+
+
+void
+_initialize_tuiRegs (void)
+{
+ if (xdb_commands)
+ {
+ add_com ("fr", class_tui, _tuiShowFloat_command,
+ "Display only floating point registers\n");
+ add_com ("gr", class_tui, _tuiShowGeneral_command,
+ "Display only general registers\n");
+ add_com ("sr", class_tui, _tuiShowSpecial_command,
+ "Display only special registers\n");
+ add_com ("+r", class_tui, _tuiScrollRegsForward_command,
+ "Scroll the registers window forward\n");
+ add_com ("-r", class_tui, _tuiScrollRegsBackward_command,
+ "Scroll the register window backward\n");
+ add_com ("tf", class_tui, _tuiToggleFloatRegs_command,
+ "Toggle between single and double precision floating point registers.\n");
+ add_cmd (TUI_FLOAT_REGS_NAME_LOWER,
+ class_tui,
+ _tuiToggleFloatRegs_command,
+ "Toggle between single and double precision floating point \
+registers.\n",
+ &togglelist);
+ }
+}
+
+
+/*****************************************
+** STATIC LOCAL FUNCTIONS **
+******************************************/
+
+
+/*
+ ** _tuiRegisterName().
+ ** Return the register name.
+ */
+static const char *
+_tuiRegisterName (int regNum)
+{
+ return REGISTER_NAME (regNum);
+}
+extern int pagination_enabled;
+
+static void
+tui_restore_gdbout (void *ui)
+{
+ ui_file_delete (gdb_stdout);
+ gdb_stdout = (struct ui_file*) ui;
+ pagination_enabled = 1;
+}
+
+/*
+ ** _tuiRegisterFormat
+ ** Function to format the register name and value into a buffer,
+ ** suitable for printing or display
+ */
+static void
+_tuiRegisterFormat (char *buf, int bufLen, int regNum,
+ TuiDataElementPtr dataElement,
+ enum precision_type precision)
+{
+ struct ui_file *stream;
+ struct ui_file *old_stdout;
+ const char *name;
+ struct cleanup *cleanups;
+ char *p;
+ int pos;
+
+ name = REGISTER_NAME (regNum);
+ if (name == 0)
+ {
+ strcpy (buf, "");
+ return;
+ }
+
+ pagination_enabled = 0;
+ old_stdout = gdb_stdout;
+ stream = tui_sfileopen (bufLen);
+ gdb_stdout = stream;
+ cleanups = make_cleanup (tui_restore_gdbout, (void*) old_stdout);
+ gdbarch_print_registers_info (current_gdbarch, stream, deprecated_selected_frame,
+ regNum, 1);
+
+ /* Save formatted output in the buffer. */
+ p = tui_file_get_strbuf (stream);
+ pos = 0;
+ while (*p && *p == *name++ && bufLen)
+ {
+ *buf++ = *p++;
+ bufLen--;
+ pos++;
+ }
+ while (*p == ' ')
+ p++;
+ while (pos < 8 && bufLen)
+ {
+ *buf++ = ' ';
+ bufLen--;
+ pos++;
+ }
+ strncpy (buf, p, bufLen);
+
+ /* Remove the possible \n. */
+ p = strchr (buf, '\n');
+ if (p)
+ *p = 0;
+
+ do_cleanups (cleanups);
+}
+
+
+#define NUM_GENERAL_REGS 32
+/*
+ ** _tuiSetGeneralRegsContent().
+ ** Set the content of the data window to consist of the general registers.
+ */
+static TuiStatus
+_tuiSetGeneralRegsContent (int refreshValuesOnly)
+{
+ return (_tuiSetRegsContent (0,
+ NUM_GENERAL_REGS - 1,
+ deprecated_selected_frame,
+ TUI_GENERAL_REGS,
+ refreshValuesOnly));
+
+} /* _tuiSetGeneralRegsContent */
+
+
+#ifndef PCOQ_HEAD_REGNUM
+#define START_SPECIAL_REGS 0
+#else
+#define START_SPECIAL_REGS PCOQ_HEAD_REGNUM
+#endif
+
+/*
+ ** _tuiSetSpecialRegsContent().
+ ** Set the content of the data window to consist of the special registers.
+ */
+static TuiStatus
+_tuiSetSpecialRegsContent (int refreshValuesOnly)
+{
+ TuiStatus ret = TUI_FAILURE;
+ int endRegNum;
+
+ endRegNum = FP0_REGNUM - 1;
+ ret = _tuiSetRegsContent (START_SPECIAL_REGS,
+ endRegNum,
+ deprecated_selected_frame,
+ TUI_SPECIAL_REGS,
+ refreshValuesOnly);
+
+ return ret;
+} /* _tuiSetSpecialRegsContent */
+
+
+/*
+ ** _tuiSetGeneralAndSpecialRegsContent().
+ ** Set the content of the data window to consist of the special registers.
+ */
+static TuiStatus
+_tuiSetGeneralAndSpecialRegsContent (int refreshValuesOnly)
+{
+ TuiStatus ret = TUI_FAILURE;
+ int endRegNum = (-1);
+
+ endRegNum = FP0_REGNUM - 1;
+ ret = _tuiSetRegsContent (
+ 0, endRegNum, deprecated_selected_frame, TUI_SPECIAL_REGS, refreshValuesOnly);
+
+ return ret;
+} /* _tuiSetGeneralAndSpecialRegsContent */
+
+/*
+ ** _tuiSetFloatRegsContent().
+ ** Set the content of the data window to consist of the float registers.
+ */
+static TuiStatus
+_tuiSetFloatRegsContent (TuiRegisterDisplayType dpyType, int refreshValuesOnly)
+{
+ TuiStatus ret = TUI_FAILURE;
+ int startRegNum;
+
+ startRegNum = FP0_REGNUM;
+ ret = _tuiSetRegsContent (startRegNum,
+ NUM_REGS - 1,
+ deprecated_selected_frame,
+ dpyType,
+ refreshValuesOnly);
+
+ return ret;
+} /* _tuiSetFloatRegsContent */
+
+
+/*
+ ** _tuiRegValueHasChanged().
+ ** Answer TRUE if the register's value has changed, FALSE otherwise.
+ ** If TRUE, newValue is filled in with the new value.
+ */
+static int
+_tuiRegValueHasChanged (TuiDataElementPtr dataElement,
+ struct frame_info *frame,
+ char *newValue)
+{
+ int hasChanged = FALSE;
+
+ if (dataElement->itemNo != UNDEFINED_ITEM &&
+ _tuiRegisterName (dataElement->itemNo) != (char *) NULL)
+ {
+ char rawBuf[MAX_REGISTER_SIZE];
+ int i;
+
+ if (_tuiGetRegisterRawValue (
+ dataElement->itemNo, rawBuf, frame) == TUI_SUCCESS)
+ {
+ int size = DEPRECATED_REGISTER_RAW_SIZE (dataElement->itemNo);
+
+ for (i = 0; (i < size && !hasChanged); i++)
+ hasChanged = (((char *) dataElement->value)[i] != rawBuf[i]);
+ if (hasChanged && newValue != (char *) NULL)
+ {
+ for (i = 0; i < size; i++)
+ newValue[i] = rawBuf[i];
+ }
+ }
+ }
+ return hasChanged;
+} /* _tuiRegValueHasChanged */
+
+
+
+/*
+ ** _tuiGetRegisterRawValue().
+ ** Get the register raw value. The raw value is returned in regValue.
+ */
+static TuiStatus
+_tuiGetRegisterRawValue (int regNum, char *regValue, struct frame_info *frame)
+{
+ TuiStatus ret = TUI_FAILURE;
+
+ if (target_has_registers)
+ {
+ get_frame_register (frame, regNum, regValue);
+ /* NOTE: cagney/2003-03-13: This is bogus. It is refering to
+ the register cache and not the frame which could have pulled
+ the register value off the stack. */
+ if (register_cached (regNum) >= 0)
+ ret = TUI_SUCCESS;
+ }
+ return ret;
+} /* _tuiGetRegisterRawValue */
+
+
+
+/*
+ ** _tuiSetRegisterElement().
+ ** Function to initialize a data element with the input and
+ ** the register value.
+ */
+static void
+_tuiSetRegisterElement (int regNum, struct frame_info *frame,
+ TuiDataElementPtr dataElement,
+ int refreshValueOnly)
+{
+ if (dataElement != (TuiDataElementPtr) NULL)
+ {
+ if (!refreshValueOnly)
+ {
+ dataElement->itemNo = regNum;
+ dataElement->name = _tuiRegisterName (regNum);
+ dataElement->highlight = FALSE;
+ }
+ if (dataElement->value == (Opaque) NULL)
+ dataElement->value = (Opaque) xmalloc (MAX_REGISTER_SIZE);
+ if (dataElement->value != (Opaque) NULL)
+ _tuiGetRegisterRawValue (regNum, dataElement->value, frame);
+ }
+
+ return;
+} /* _tuiSetRegisterElement */
+
+
+/*
+ ** _tuiSetRegsContent().
+ ** Set the content of the data window to consist of the registers
+ ** numbered from startRegNum to endRegNum. Note that if
+ ** refreshValuesOnly is TRUE, startRegNum and endRegNum are ignored.
+ */
+static TuiStatus
+_tuiSetRegsContent (int startRegNum, int endRegNum,
+ struct frame_info *frame,
+ TuiRegisterDisplayType dpyType,
+ int refreshValuesOnly)
+{
+ TuiStatus ret = TUI_FAILURE;
+ int numRegs = endRegNum - startRegNum + 1;
+ int allocatedHere = FALSE;
+
+ if (dataWin->detail.dataDisplayInfo.regsContentCount > 0 &&
+ !refreshValuesOnly)
+ {
+ freeDataContent (dataWin->detail.dataDisplayInfo.regsContent,
+ dataWin->detail.dataDisplayInfo.regsContentCount);
+ dataWin->detail.dataDisplayInfo.regsContentCount = 0;
+ }
+ if (dataWin->detail.dataDisplayInfo.regsContentCount <= 0)
+ {
+ dataWin->detail.dataDisplayInfo.regsContent =
+ allocContent (numRegs, DATA_WIN);
+ allocatedHere = TRUE;
+ }
+
+ if (dataWin->detail.dataDisplayInfo.regsContent != (TuiWinContent) NULL)
+ {
+ int i;
+
+ if (!refreshValuesOnly || allocatedHere)
+ {
+ dataWin->generic.content = (OpaquePtr) NULL;
+ dataWin->generic.contentSize = 0;
+ addContentElements (&dataWin->generic, numRegs);
+ dataWin->detail.dataDisplayInfo.regsContent =
+ (TuiWinContent) dataWin->generic.content;
+ dataWin->detail.dataDisplayInfo.regsContentCount = numRegs;
+ }
+ /*
+ ** Now set the register names and values
+ */
+ for (i = startRegNum; (i <= endRegNum); i++)
+ {
+ TuiGenWinInfoPtr dataItemWin;
+
+ dataItemWin = &dataWin->detail.dataDisplayInfo.
+ regsContent[i - startRegNum]->whichElement.dataWindow;
+ _tuiSetRegisterElement (
+ i,
+ frame,
+ &((TuiWinElementPtr) dataItemWin->content[0])->whichElement.data,
+ !allocatedHere && refreshValuesOnly);
+ }
+ dataWin->detail.dataDisplayInfo.regsColumnCount =
+ tuiCalculateRegsColumnCount (dpyType);
+#ifdef LATER
+ if (dataWin->detail.dataDisplayInfo.dataContentCount > 0)
+ {
+ /* delete all the windows? */
+ /* realloc content equal to dataContentCount + regsContentCount */
+ /* append dataWin->detail.dataDisplayInfo.dataContent to content */
+ }
+#endif
+ dataWin->generic.contentSize =
+ dataWin->detail.dataDisplayInfo.regsContentCount +
+ dataWin->detail.dataDisplayInfo.dataContentCount;
+ ret = TUI_SUCCESS;
+ }
+
+ return ret;
+} /* _tuiSetRegsContent */
+
+
+/*
+ ** _tuiDisplayRegister().
+ ** Function to display a register in a window. If hilite is TRUE,
+ ** than the value will be displayed in reverse video
+ */
+static void
+_tuiDisplayRegister (int regNum,
+ TuiGenWinInfoPtr winInfo, /* the data item window */
+ enum precision_type precision)
+{
+ if (winInfo->handle != (WINDOW *) NULL)
+ {
+ int i;
+ char buf[40];
+ int valueCharsWide, labelWidth;
+ TuiDataElementPtr dataElementPtr = &((TuiWinContent)
+ winInfo->content)[0]->whichElement.data;
+
+ if (IS_64BIT ||
+ dataWin->detail.dataDisplayInfo.regsDisplayType == TUI_DFLOAT_REGS)
+ {
+ valueCharsWide = DOUBLE_FLOAT_VALUE_WIDTH;
+ labelWidth = DOUBLE_FLOAT_LABEL_WIDTH;
+ }
+ else
+ {
+ if (dataWin->detail.dataDisplayInfo.regsDisplayType ==
+ TUI_SFLOAT_REGS)
+ {
+ valueCharsWide = SINGLE_FLOAT_VALUE_WIDTH;
+ labelWidth = SINGLE_FLOAT_LABEL_WIDTH;
+ }
+ else
+ {
+ valueCharsWide = SINGLE_VALUE_WIDTH;
+ labelWidth = SINGLE_LABEL_WIDTH;
+ }
+ }
+
+ buf[0] = (char) 0;
+ _tuiRegisterFormat (buf,
+ valueCharsWide + labelWidth,
+ regNum,
+ dataElementPtr,
+ precision);
+
+ if (dataElementPtr->highlight)
+ wstandout (winInfo->handle);
+
+ wmove (winInfo->handle, 0, 0);
+ for (i = 1; i < winInfo->width; i++)
+ waddch (winInfo->handle, ' ');
+ wmove (winInfo->handle, 0, 0);
+ waddstr (winInfo->handle, buf);
+
+ if (dataElementPtr->highlight)
+ wstandend (winInfo->handle);
+ tuiRefreshWin (winInfo);
+ }
+ return;
+} /* _tuiDisplayRegister */
+
+
+static void
+_tui_vShowRegisters_commandSupport (TuiRegisterDisplayType dpyType)
+{
+
+ if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible)
+ { /* Data window already displayed, show the registers */
+ if (dataWin->detail.dataDisplayInfo.regsDisplayType != dpyType)
+ tuiShowRegisters (dpyType);
+ }
+ else
+ (tuiLayoutDef ())->regsDisplayType = dpyType;
+
+ return;
+} /* _tui_vShowRegisters_commandSupport */
+
+
+static void
+_tuiShowFloat_command (char *arg, int fromTTY)
+{
+ if (m_winPtrIsNull (dataWin) || !dataWin->generic.isVisible ||
+ (dataWin->detail.dataDisplayInfo.regsDisplayType != TUI_SFLOAT_REGS &&
+ dataWin->detail.dataDisplayInfo.regsDisplayType != TUI_DFLOAT_REGS))
+ _tui_vShowRegisters_commandSupport ((tuiLayoutDef ())->floatRegsDisplayType);
+
+ return;
+} /* _tuiShowFloat_command */
+
+
+static void
+_tuiShowGeneral_command (char *arg, int fromTTY)
+{
+ _tui_vShowRegisters_commandSupport (TUI_GENERAL_REGS);
+}
+
+
+static void
+_tuiShowSpecial_command (char *arg, int fromTTY)
+{
+ _tui_vShowRegisters_commandSupport (TUI_SPECIAL_REGS);
+}
+
+
+static void
+_tuiToggleFloatRegs_command (char *arg, int fromTTY)
+{
+ if (m_winPtrNotNull (dataWin) && dataWin->generic.isVisible)
+ tuiToggleFloatRegs ();
+ else
+ {
+ TuiLayoutDefPtr layoutDef = tuiLayoutDef ();
+
+ if (layoutDef->floatRegsDisplayType == TUI_SFLOAT_REGS)
+ layoutDef->floatRegsDisplayType = TUI_DFLOAT_REGS;
+ else
+ layoutDef->floatRegsDisplayType = TUI_SFLOAT_REGS;
+ }
+
+
+ return;
+} /* _tuiToggleFloatRegs_command */
+
+
+static void
+_tuiScrollRegsForward_command (char *arg, int fromTTY)
+{
+ tui_scroll (FORWARD_SCROLL, dataWin, 1);
+}
+
+
+static void
+_tuiScrollRegsBackward_command (char *arg, int fromTTY)
+{
+ tui_scroll (BACKWARD_SCROLL, dataWin, 1);
+}