| 1 | //\r |
| 2 | // m68kDasmWin.cpp - M68K disassembly window\r |
| 3 | //\r |
| 4 | // by Jean-Paul Mari\r |
| 5 | //\r |
| 6 | // JPM = Jean-Paul Mari <djipi.mari@gmail.com>\r |
| 7 | //\r |
| 8 | // Who When What\r |
| 9 | // --- ---------- -------------------------------------------------------------\r |
| 10 | // JPM 06/27/2016 Created this file\r |
| 11 | // JPM 12/04/2016 Suport ELF debug information\r |
| 12 | // JPM Replacing the ELF support by the debugger information manager calls\r |
| 13 | // JPM Aug./2020 Display only the code related to the traced function, added different layouts & a status bar, Qt/HTML text format support\r |
| 14 | //\r |
| 15 | \r |
| 16 | // STILL TO DO:\r |
| 17 | //\r |
| 18 | \r |
| 19 | #include <stdlib.h>\r |
| 20 | #include "debugger/m68kDasmWin.h"\r |
| 21 | #include "m68000/m68kinterface.h"\r |
| 22 | #include "dsp.h"\r |
| 23 | #include "gpu.h"\r |
| 24 | #include "DBGManager.h"\r |
| 25 | #include "settings.h"\r |
| 26 | \r |
| 27 | \r |
| 28 | // \r |
| 29 | m68KDasmWindow::m68KDasmWindow(QWidget * parent/*= 0*/): QWidget(parent, Qt::Dialog),\r |
| 30 | layout(new QVBoxLayout),\r |
| 31 | #if MD_LAYOUTFILE == 1\r |
| 32 | statusbar(new QStatusBar),\r |
| 33 | #endif\r |
| 34 | #ifdef MD_LAYOUTTEXTS\r |
| 35 | text(new QTextBrowser),\r |
| 36 | #endif\r |
| 37 | memBase(0)\r |
| 38 | {\r |
| 39 | // Set font\r |
| 40 | QFont fixedFont("Lucida Console", 8, QFont::Normal);\r |
| 41 | fixedFont.setStyleHint(QFont::Monospace); //TypeWriter\r |
| 42 | fixedFont.setLetterSpacing(QFont::PercentageSpacing, 100);\r |
| 43 | \r |
| 44 | // Set text in layout\r |
| 45 | #ifdef MD_LAYOUTTEXTS\r |
| 46 | text->setFont(fixedFont);\r |
| 47 | layout->addWidget(text);\r |
| 48 | #endif\r |
| 49 | \r |
| 50 | // Status bar\r |
| 51 | #if MD_LAYOUTFILE == 1\r |
| 52 | layout->addWidget(statusbar);\r |
| 53 | setLayout(layout);\r |
| 54 | #endif\r |
| 55 | \r |
| 56 | // Set layout\r |
| 57 | setLayout(layout);\r |
| 58 | }\r |
| 59 | \r |
| 60 | \r |
| 61 | //\r |
| 62 | void m68KDasmWindow::RefreshContents(void)\r |
| 63 | {\r |
| 64 | QString s;\r |
| 65 | char buffer[1024], string[1024], adresse[16];\r |
| 66 | size_t pc = memBase, oldpc;\r |
| 67 | size_t m68kPC = m68k_get_reg(NULL, M68K_REG_PC);\r |
| 68 | size_t m68KPCNbrDisasmLines = 0;\r |
| 69 | char *Symbol = NULL, *LineSrc, *CurrentLineSrc = NULL;\r |
| 70 | bool m68kPCShow = false;\r |
| 71 | bool constant, adr, equal;\r |
| 72 | DBGstatus Status;\r |
| 73 | size_t j, i;\r |
| 74 | size_t nbr = vjs.nbrdisasmlines;\r |
| 75 | char *PtrFullSource, *CurrentPtrFullSource = (char *)calloc(1, 1);\r |
| 76 | size_t NumLine; // , CurrentNumLine = 0;\r |
| 77 | size_t CurrentNumLine;\r |
| 78 | char singleCharString[2] = { 0, 0 };\r |
| 79 | #if MD_LAYOUTFILE == 1\r |
| 80 | bool In = true;\r |
| 81 | #else\r |
| 82 | #define In true\r |
| 83 | #endif\r |
| 84 | \r |
| 85 | for (i = 0; (i < nbr) && In; i++)\r |
| 86 | {\r |
| 87 | oldpc = pc;\r |
| 88 | adr = constant = equal = false;\r |
| 89 | \r |
| 90 | // Display source filename based on the program address\r |
| 91 | if (vjs.displayFullSourceFilename && (PtrFullSource = DBGManager_GetFullSourceFilenameFromAdr(oldpc, &Status)) && strcmp(CurrentPtrFullSource, PtrFullSource))\r |
| 92 | {\r |
| 93 | #if defined(MD_LAYOUTFILE)\r |
| 94 | if (i)\r |
| 95 | #if MD_LAYOUTFILE != 1\r |
| 96 | {\r |
| 97 | // add an empty line for the display of the new filename\r |
| 98 | nbr++;\r |
| 99 | s += QString("<br>");\r |
| 100 | }\r |
| 101 | #else\r |
| 102 | {\r |
| 103 | In = false;\r |
| 104 | }\r |
| 105 | else\r |
| 106 | #endif\r |
| 107 | #endif\r |
| 108 | {\r |
| 109 | CurrentNumLine = DBGManager_GetNumLineFromAdr(pc, DBG_NO_TAG) - 1;\r |
| 110 | CurrentPtrFullSource = (char *)realloc(CurrentPtrFullSource, strlen(PtrFullSource) + 1);\r |
| 111 | strcpy(CurrentPtrFullSource, PtrFullSource);\r |
| 112 | #if defined(MD_LAYOUTFILE)\r |
| 113 | if (Status)\r |
| 114 | {\r |
| 115 | // Referenced filename doesn't exist\r |
| 116 | sprintf(string, "<font color='#ff0000'><b>%s</b></font><br>", PtrFullSource);\r |
| 117 | #if MD_LAYOUTFILE == 1\r |
| 118 | // Display status bar\r |
| 119 | if ((Status & DBGSTATUS_OUTDATEDFILE))\r |
| 120 | {\r |
| 121 | statusbar->setStyleSheet("background-color: lightyellow; font: bold");\r |
| 122 | statusbar->showMessage(QString("Outdated source file"));\r |
| 123 | }\r |
| 124 | else\r |
| 125 | {\r |
| 126 | statusbar->setStyleSheet("background-color: tomato; font: bold");\r |
| 127 | statusbar->showMessage(QString("Unavailable source file"));\r |
| 128 | }\r |
| 129 | #endif\r |
| 130 | }\r |
| 131 | else\r |
| 132 | {\r |
| 133 | // Referenced filename does exist\r |
| 134 | sprintf(string, "<font color='#00ff00'><b>%s</b></font><br>", PtrFullSource);\r |
| 135 | #if MD_LAYOUTFILE == 1\r |
| 136 | // Display status bar\r |
| 137 | statusbar->setStyleSheet("background-color: transparent; font: bold");\r |
| 138 | statusbar->showMessage(QString(""));\r |
| 139 | #endif\r |
| 140 | }\r |
| 141 | nbr++;\r |
| 142 | s += QString(string);\r |
| 143 | #endif\r |
| 144 | }\r |
| 145 | }\r |
| 146 | else\r |
| 147 | {\r |
| 148 | // Display line number based on the program address\r |
| 149 | if ((NumLine = DBGManager_GetNumLineFromAdr(oldpc, DBG_NO_TAG)) && ((signed)NumLine > (signed)CurrentNumLine) && !Status)\r |
| 150 | {\r |
| 151 | #if MD_LAYOUTFILE != 1\r |
| 152 | if ((signed)CurrentNumLine < 0)\r |
| 153 | {\r |
| 154 | CurrentNumLine = NumLine - 1;\r |
| 155 | }\r |
| 156 | #endif\r |
| 157 | sprintf(string, "| <font color='#006400'>%5u</font> | ", (unsigned int)++CurrentNumLine); // (CurrentNumLine = NumLine));\r |
| 158 | }\r |
| 159 | else\r |
| 160 | {\r |
| 161 | sprintf(string, "| | ");\r |
| 162 | }\r |
| 163 | s += QString(string);\r |
| 164 | \r |
| 165 | // Display line source based on the program address\r |
| 166 | if (((signed)CurrentNumLine > 0) && (LineSrc = DBGManager_GetLineSrcFromNumLineBaseAdr(oldpc, CurrentNumLine)) && (LineSrc != CurrentLineSrc))\r |
| 167 | {\r |
| 168 | #if 0\r |
| 169 | // add a color on the line text\r |
| 170 | sprintf(string, "<font color='#006400'>%s</font><br>", (CurrentLineSrc = LineSrc));\r |
| 171 | s += QString(string);\r |
| 172 | #else\r |
| 173 | // add a color on the line text with HTML encoding\r |
| 174 | s += QString("<font color='#006400'>");\r |
| 175 | s += QString(QString((CurrentLineSrc = LineSrc)).toHtmlEscaped());\r |
| 176 | s += QString("</font><br>");\r |
| 177 | #endif\r |
| 178 | nbr++;\r |
| 179 | }\r |
| 180 | else\r |
| 181 | {\r |
| 182 | // Display symbol, or line source, based on the program address\r |
| 183 | if (!CurrentLineSrc && !Symbol && (Symbol = DBGManager_GetSymbolNameFromAdr(oldpc)))\r |
| 184 | {\r |
| 185 | sprintf(string, "%s:<br>", Symbol);\r |
| 186 | s += QString(string);\r |
| 187 | nbr++;\r |
| 188 | }\r |
| 189 | // Display the assembly line based on the current PC\r |
| 190 | else\r |
| 191 | {\r |
| 192 | pc += m68k_disassemble(buffer, (unsigned int)pc, 0, vjs.disasmopcodes);\r |
| 193 | \r |
| 194 | if (m68kPC == oldpc)\r |
| 195 | {\r |
| 196 | sprintf(string, "-> <u>%06X: %s</u><br>", (unsigned int)oldpc, buffer);\r |
| 197 | m68kPCShow = true;\r |
| 198 | m68KPCNbrDisasmLines = i;\r |
| 199 | }\r |
| 200 | else\r |
| 201 | {\r |
| 202 | sprintf(string, " %06X: %s<br>", (unsigned int)oldpc, buffer);\r |
| 203 | }\r |
| 204 | \r |
| 205 | buffer[0] = 0; // Clear string\r |
| 206 | \r |
| 207 | for (j = 0; j < strlen(string); j++)\r |
| 208 | {\r |
| 209 | if (string[j] == ' ')\r |
| 210 | {\r |
| 211 | strcat(buffer, " ");\r |
| 212 | adr = constant = false;\r |
| 213 | }\r |
| 214 | else\r |
| 215 | {\r |
| 216 | switch (string[j])\r |
| 217 | {\r |
| 218 | case '#':\r |
| 219 | constant = true;\r |
| 220 | break;\r |
| 221 | \r |
| 222 | case '$':\r |
| 223 | adr = true;\r |
| 224 | break;\r |
| 225 | \r |
| 226 | case ',':\r |
| 227 | constant = adr = equal = false;\r |
| 228 | break;\r |
| 229 | \r |
| 230 | case '=':\r |
| 231 | equal = true;\r |
| 232 | break;\r |
| 233 | }\r |
| 234 | \r |
| 235 | if (!constant && adr && !equal)\r |
| 236 | {\r |
| 237 | int l = 0;\r |
| 238 | char *p;\r |
| 239 | do\r |
| 240 | {\r |
| 241 | adresse[l++] = string[++j];\r |
| 242 | } while ((string[(j + 1)] >= '0') && (string[(j + 1)] <= '9') || (string[(j + 1)] >= 'A') && (string[(j + 1)] <= 'F'));\r |
| 243 | adresse[l] = 0;\r |
| 244 | \r |
| 245 | if (Symbol = DBGManager_GetSymbolNameFromAdr(strtoul(adresse, &p, 16)))\r |
| 246 | {\r |
| 247 | strcat(buffer, Symbol);\r |
| 248 | }\r |
| 249 | else\r |
| 250 | {\r |
| 251 | strcat(buffer, "$");\r |
| 252 | strcat(buffer, adresse);\r |
| 253 | }\r |
| 254 | \r |
| 255 | adr = false;\r |
| 256 | }\r |
| 257 | else\r |
| 258 | {\r |
| 259 | singleCharString[0] = string[j];\r |
| 260 | strcat(buffer, singleCharString);\r |
| 261 | }\r |
| 262 | }\r |
| 263 | }\r |
| 264 | \r |
| 265 | Symbol = NULL;\r |
| 266 | s += QString(buffer);\r |
| 267 | }\r |
| 268 | }\r |
| 269 | }\r |
| 270 | }\r |
| 271 | \r |
| 272 | // Display generated text\r |
| 273 | text->clear();\r |
| 274 | if (m68kPCShow)\r |
| 275 | {\r |
| 276 | text->setText(s);\r |
| 277 | }\r |
| 278 | else\r |
| 279 | {\r |
| 280 | Use68KPCAddress();\r |
| 281 | RefreshContents();\r |
| 282 | }\r |
| 283 | \r |
| 284 | // Set the scrollbar position in accordance of the M68K PC pointer \r |
| 285 | if (m68KPCNbrDisasmLines > (nbr / 2))\r |
| 286 | {\r |
| 287 | text->verticalScrollBar()->setValue(text->verticalScrollBar()->maximum());\r |
| 288 | }\r |
| 289 | else\r |
| 290 | {\r |
| 291 | text->verticalScrollBar()->setValue(text->verticalScrollBar()->minimum());\r |
| 292 | }\r |
| 293 | \r |
| 294 | free(CurrentPtrFullSource);\r |
| 295 | }\r |
| 296 | \r |
| 297 | \r |
| 298 | // Set mem base PC address using the 68K pc current address\r |
| 299 | void m68KDasmWindow::Use68KPCAddress(void)\r |
| 300 | {\r |
| 301 | memBase = m68k_get_reg(NULL, M68K_REG_PC);\r |
| 302 | }\r |
| 303 | \r |
| 304 | \r |
| 305 | // Set mem base PC address\r |
| 306 | void m68KDasmWindow::SetAddress(int address)\r |
| 307 | {\r |
| 308 | memBase = address;\r |
| 309 | }\r |