src/debugger/callstackbrowser.cpp

   1 //
   2 // callstackbrowser.cpp - Call Stack
   3 //
   4 // by Jean-Paul Mari
   5 //
   6 // JPM = Jean-Paul Mari <djipi.mari@gmail.com>
   7 //
   8 // Who  When        What
   9 // ---  ----------  -----------------------------------------------------------
  10 // JPM  08/31/2018  Created this file
  11 // JPM  09/12/2018  Added a status bar and better status report
  12 // JPM  10/20/2018  Added the return address information in the call stack
  13 // JPM  08/09/2019  Prevent crash in case of call stack is out of range
  14 // JPM   Aug./2020  Added different layouts
  15
  16 // STILL TO DO:
  17 // To set the information display at the right
  18 // To use DWARF frame information?
  19 // To check if call stack pointer is used (DWARF information?)
  20 //
  21
  22 #include "debugger/callstackbrowser.h"
  23 #include "memory.h"
  24 #include "debugger/DBGManager.h"
  25 #include "m68000/m68kinterface.h"
  26 #include "settings.h"
  27
  28
  29 //
  30 CallStackBrowserWindow::CallStackBrowserWindow(QWidget * parent/*= 0*/) : QWidget(parent, Qt::Dialog),
  31 #ifdef CS_LAYOUTTEXTS
  32 text(new QTextBrowser),
  33 #else
  34 TableView(new QTableView),
  35 model(new QStandardItemModel),
  36 #endif
  37 statusbar(new QStatusBar),
  38 layout(new QVBoxLayout)
  39 {
  40         setWindowTitle(tr("Call Stack"));
  41
  42         // Set the font
  43         QFont fixedFont("Lucida Console", 8, QFont::Normal);
  44         fixedFont.setStyleHint(QFont::TypeWriter);
  45
  46 #ifdef CS_LAYOUTTEXTS
  47         // Set original layout
  48         text->setFont(fixedFont);
  49         layout->addWidget(text);
  50 #else
  51         // Set the new layout with proper identation and readibility
  52         model->setColumnCount(3);
  53         model->setHeaderData(0, Qt::Horizontal, QObject::tr("Name"));
  54         model->setHeaderData(1, Qt::Horizontal, QObject::tr("Line"));
  55         model->setHeaderData(2, Qt::Horizontal, QObject::tr("Return address"));
  56         // Information table
  57         TableView->setModel(model);
  58         TableView->setEditTriggers(QAbstractItemView::NoEditTriggers);
  59         TableView->setShowGrid(0);
  60         TableView->setFont(fixedFont);
  61         TableView->verticalHeader()->setDefaultSectionSize(TableView->verticalHeader()->minimumSectionSize());
  62         TableView->verticalHeader()->setDefaultAlignment(Qt::AlignRight);
  63         layout->addWidget(TableView);
  64 #endif
  65
  66         // Status bar
  67         layout->addWidget(statusbar);
  68         setLayout(layout);
  69 }
  70
  71
  72 //
  73 CallStackBrowserWindow::~CallStackBrowserWindow(void)
  74 {
  75 }
  76
  77
  78 //
  79 void CallStackBrowserWindow::RefreshContents(void)
  80 {
  81         char msg[1024];
  82         size_t Error = CS_NOERROR;
  83         unsigned int a6, Sa6, ret;
  84         char *FuncName;
  85 #ifdef CS_LAYOUTTEXTS
  86         QString CallStack;
  87         char string[1024];
  88 #else
  89         int NbRaw = 0;
  90         size_t NumError = 0;
  91         QString FunctionName;
  92 #endif
  93
  94         if (isVisible())
  95         {
  96 #ifndef CS_LAYOUTTEXTS
  97                 model->setRowCount(0);
  98 #endif
  99                 if ((a6 = m68k_get_reg(NULL, M68K_REG_A6)) && DBGManager_GetType())
 100                 {
 101                         while ((Sa6 = a6) && !NumError)
 102                         {
 103                                 if ((Sa6 >= (m68k_get_reg(NULL, M68K_REG_SP) - 4)) && (Sa6 < vjs.DRAM_size))
 104                                 {
 105                                         a6 = GET32(jaguarMainRAM, Sa6);
 106                                         ret = GET32(jaguarMainRAM, Sa6 + 4);
 107 #ifdef CS_LAYOUTTEXTS
 108                                         sprintf(string, "0x%06X | Ret: 0x%06X | From: %s - 0x%06X | Line: %s", Sa6, ret, (FuncName = DBGManager_GetFunctionName(ret)), (unsigned int)DBGManager_GetAdrFromSymbolName(FuncName), DBGManager_GetLineSrcFromAdr(ret, DBG_NO_TAG));
 109                                         CallStack += QString(string);
 110                                         if (a6)
 111                                         {
 112                                                 CallStack += QString("<br>");
 113                                         }
 114 #else
 115                                         model->insertRow(NbRaw);
 116                                         model->setItem(NbRaw, 0, new QStandardItem(QString("%1").arg((FuncName = DBGManager_GetFunctionName(ret)) ? FuncName : "(N/A)")));
 117                                         FunctionName = QString(FuncName = DBGManager_GetLineSrcFromAdr(ret, DBG_NO_TAG));
 118                                         //FunctionName.replace("&nbsp;", " ");
 119                                         model->setItem(NbRaw, 1, new QStandardItem(QString("%1").arg(FuncName ? FunctionName : "(N/A)")));
 120                                         sprintf(msg, "0x%06X", ret);
 121                                         model->setItem(NbRaw++, 2, new QStandardItem(QString("%1").arg(msg)));
 122                                 }
 123                                 else
 124                                 {
 125                                         NumError = 0x1;
 126                                 }
 127 #endif
 128                         }
 129 #ifdef CS_LAYOUTTEXTS
 130                         text->clear();
 131                         text->setText(CallStack);
 132 #endif
 133                         switch (NumError)
 134                         {
 135                         case 0:
 136                                 sprintf(msg, "Ready");
 137                                 Error = CS_NOERROR;
 138                                 break;
 139
 140                         case 0x1:
 141                                 sprintf(msg, "Call Stack out of range");
 142                                 Error = CS_ERROR;
 143                                 break;
 144
 145                         default:
 146                                 sprintf(msg, "Call Stack in limbo");
 147                                 Error = CS_WARNING;
 148                                 break;
 149                         }
 150                 }
 151                 else
 152                 {
 153                         sprintf(msg, "Call Stack not available");
 154                         Error = CS_NOCALLSTACK;
 155 #ifdef CS_LAYOUTTEXTS
 156                         text->clear();
 157 #endif
 158                 }
 159
 160                 // Display status bar
 161                 if (Error)
 162                 {
 163                         if ((Error & CS_WARNING))
 164                         {
 165                                 statusbar->setStyleSheet("background-color: lightyellow; font: bold");
 166                         }
 167                         else
 168                         {
 169                                 statusbar->setStyleSheet("background-color: tomato; font: bold");
 170                         }
 171                 }
 172                 else
 173                 {
 174                         statusbar->setStyleSheet("background-color: lightgreen; font: bold");
 175                 }
 176                 statusbar->showMessage(QString(msg));
 177         }
 178 }
 179
 180
 181 //
 182 void CallStackBrowserWindow::keyPressEvent(QKeyEvent * e)
 183 {
 184         if (e->key() == Qt::Key_Escape)
 185         {
 186                 hide();
 187         }
 188 }
 189
 190