src/debugger/heapallocatorbrowser.cpp

   1 //
   2 // allwatch.cpp - All Watch
   3 //
   4 // by Jean-Paul Mari
   5 //
   6 // JPM = Jean-Paul Mari <djipi.mari@gmail.com>
   7 //
   8 // Who  When        What
   9 // ---  ----------  -----------------------------------------------------------
  10 // JPM  01/08/2017  Created this file
  11 //
  12
  13 // STILL TO DO:
  14 //
  15
  16 #include "debugger\heapallocatorbrowser.h"
  17 #include "memory.h"
  18 #include "debugger\DBGManager.h"
  19 #include "m68000/m68kinterface.h"
  20
  21
  22 HeapAllocatorBrowserWindow::HeapAllocatorBrowserWindow(QWidget * parent/*= 0*/) : QWidget(parent, Qt::Dialog),
  23 layout(new QVBoxLayout), text(new QTextBrowser),
  24 //      layout(new QVBoxLayout), text(new QLabel),
  25 //      refresh(new QPushButton(tr("Refresh"))),
  26 //      address(new QLineEdit),
  27 //      go(new QPushButton(tr("Go"))),
  28 //      memBase(0),
  29 //      NbWatch(0),
  30 //      PtrWatchInfo(NULL)
  31 Adr(0)
  32 //PtrAdr(NULL)
  33 {
  34         setWindowTitle(tr("Heap Allocation"));
  35
  36 //      address->setInputMask("hhhhhh");
  37 //      QHBoxLayout * hbox1 = new QHBoxLayout;
  38 //      hbox1->addWidget(refresh);
  39 //      hbox1->addWidget(address);
  40 //      hbox1->addWidget(go);
  41
  42         // Need to set the size as well...
  43 //      resize(560, 480);
  44
  45         QFont fixedFont("Lucida Console", 8, QFont::Normal);
  46 //      QFont fixedFont("", 8, QFont::Normal);
  47         fixedFont.setStyleHint(QFont::TypeWriter);
  48         text->setFont(fixedFont);
  49 ////    layout->setSizeConstraint(QLayout::SetFixedSize);
  50         setLayout(layout);
  51
  52         layout->addWidget(text);
  53 //      layout->addWidget(refresh);
  54 //      layout->addLayout(hbox1);
  55
  56 //      connect(refresh, SIGNAL(clicked()), this, SLOT(RefreshContents()));
  57 //      connect(go, SIGNAL(clicked()), this, SLOT(GoToAddress()));
  58 }
  59
  60
  61 //
  62 HeapAllocatorBrowserWindow::~HeapAllocatorBrowserWindow(void)
  63 {
  64 //      NbWatch = 0;
  65 //      free(PtrAdr);
  66 }
  67
  68
  69 //
  70 void HeapAllocatorBrowserWindow::RefreshContents(void)
  71 {
  72         char string[1024];
  73 //      char buf[64];
  74         QString HA;
  75         size_t Adr68K;
  76         size_t Error = 0;
  77         HeapAllocation HeapAllocation;
  78
  79         if (isVisible())
  80         {
  81                 if (Adr68K = Adr)
  82                 {
  83                         do
  84                         {
  85                                 if ((Adr68K >= 0x4000) && (Adr68K < 0x200000))
  86                                 {
  87                                         memcpy(&HeapAllocation, &jaguarMainRAM[Adr68K], sizeof(HeapAllocation));
  88
  89                                         if (HeapAllocation.size = ((HeapAllocation.size & 0xff) << 24) + ((HeapAllocation.size & 0xff00) << 8) + ((HeapAllocation.size & 0xff0000) >> 8) + ((HeapAllocation.size & 0xff000000) >> 24))
  90                                         {
  91                                                 if (HeapAllocation.size <= (0x200000 - 0x4000))
  92                                                 {
  93                                                         if ((HeapAllocation.used = ((HeapAllocation.used & 0xff) << 8) + ((HeapAllocation.used & 0xff00) >> 8)) <= 1)
  94                                                         {
  95                                                                 HeapAllocation.nextalloc = ((HeapAllocation.nextalloc & 0xff) << 24) + ((HeapAllocation.nextalloc & 0xff00) << 8) + ((HeapAllocation.nextalloc & 0xff0000) >> 8) + ((HeapAllocation.nextalloc & 0xff000000) >> 24);
  96
  97                                                                 if ((HeapAllocation.nextalloc >= 0x4000) && (HeapAllocation.nextalloc < 0x200000))
  98                                                                 {
  99                                                                         sprintf(string, "0x%06x | 0x%06x (%i) | %s | 0x%06x<br>", Adr68K, HeapAllocation.size - sizeof(HeapAllocation), HeapAllocation.size - sizeof(HeapAllocation), HeapAllocation.used ? "Allocated" : "Free", HeapAllocation.nextalloc);
 100                                                                         Adr68K = HeapAllocation.nextalloc;
 101                                                                 }
 102                                                                 else
 103                                                                 {
 104                                                                         sprintf(string, "<br><font color='#ff0000'><b>Unable to determine the next memory allocation</b></font>");
 105                                                                         Error = 1;
 106                                                                 }
 107                                                         }
 108                                                         else
 109                                                         {
 110                                                                 sprintf(string, "<br><font color='#ff0000'><b>Unable to determine if the allocated memory is used or not</b></font>");
 111                                                                 Error = 2;
 112                                                         }
 113                                                 }
 114                                                 else
 115                                                 {
 116                                                         sprintf(string, "<br><font color='#ff0000'><b>Memory bloc size has a problem</b></font>");
 117                                                         Error = 3;
 118                                                 }
 119                                         }
 120                                         else
 121                                         {
 122                                                 sprintf(string, "<br><font color='#0000ff'><b>Memory allocations browsing successfully completed</b></font>");
 123                                         }
 124                                 }
 125                                 else
 126                                 {
 127                                         sprintf(string, "<br><font color='#ff0000'><b>Memory allocations may have a problem</b></font>");
 128                                         Error = 4;
 129                                 }
 130
 131                                 HA += QString(string);
 132
 133                         } while (HeapAllocation.size && !Error);
 134                 }
 135                 else
 136                 {
 137                         if (Adr = DBGManager_GetAdrFromSymbolName((char *)"__HeapBase"))
 138                         {
 139                                 if (Adr68K = DBGManager_GetExternalVariableAdrFromName((char *)"alloc"))
 140                                 {
 141                                         if (!(Adr68K = (jaguarMainRAM[Adr68K] << 24) + (jaguarMainRAM[Adr68K + 1] << 16) + (jaguarMainRAM[Adr68K + 2] << 8) + (jaguarMainRAM[Adr68K + 3])) || ((Adr68K < 0x4000) || (Adr68K >= 0x200000)))
 142                                         {
 143                                                 sprintf(string, "<font color='#ff0000'><b>Memory allocator not yet initialised</b></font>");
 144                                                 Adr = 0;
 145                                         }
 146                                         else
 147                                         {
 148                                                 return RefreshContents();
 149                                                 //sprintf(string, "<font color='#0000ff'><b>Memory allocator has been initialised</b></font>");
 150                                         }
 151                                 }
 152                                 else
 153                                 {
 154                                         sprintf(string, "<font color='#ff0000'><b>Memory allocator is not compatible</b></font>");
 155                                         Adr = 0;
 156                                 }
 157                         }
 158                         else
 159                         {
 160                                 sprintf(string, "<font color='#ff0000'><b>Memory allocator doesn't exist</b></font>");
 161                         }
 162
 163                         HA += QString(string);
 164                 }
 165
 166                 text->clear();
 167                 text->setText(HA);
 168         }
 169 }
 170
 171
 172 #if 0
 173 void HeapAllocatorBrowserWindow::keyPressEvent(QKeyEvent * e)
 174 {
 175         if (e->key() == Qt::Key_Escape)
 176                 hide();
 177         else if (e->key() == Qt::Key_PageUp)
 178         {
 179                 memBase -= 480;
 180
 181                 if (memBase < 0)
 182                         memBase = 0;
 183
 184                 RefreshContents();
 185         }
 186         else if (e->key() == Qt::Key_PageDown)
 187         {
 188                 memBase += 480;
 189
 190                 if (memBase > (0x200000 - 480))
 191                         memBase = 0x200000 - 480;
 192
 193                 RefreshContents();
 194         }
 195         else if (e->key() == Qt::Key_Up || e->key() == Qt::Key_Minus)
 196         {
 197                 memBase -= 16;
 198
 199                 if (memBase < 0)
 200                         memBase = 0;
 201
 202                 RefreshContents();
 203         }
 204         else if (e->key() == Qt::Key_Down || e->key() == Qt::Key_Equal)
 205         {
 206                 memBase += 16;
 207
 208                 if (memBase > (0x200000 - 480))
 209                         memBase = 0x200000 - 480;
 210
 211                 RefreshContents();
 212         }
 213 }
 214 #endif
 215
 216
 217 #if 0
 218 void HeapAllocatorBrowserWindow::GoToAddress(void)
 219 {
 220         bool ok;
 221         QString newAddress = address->text();
 222         memBase = newAddress.toUInt(&ok, 16);
 223         RefreshContents();
 224 }
 225 #endif
 226