Shamusworld >> Repos - rmac/blob - debug.c

   1 //
   2 // RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
   3 // DEBUG.C - Debugging Messages
   4 // Copyright (C) 199x Landon Dyer, 2011-2012 Reboot and Friends
   5 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
   6 // Source Utilised with the Kind Permission of Landon Dyer
   7 //
   8
   9 #include "debug.h"
  10 #include "amode.h"
  11 #include "direct.h"
  12 #include "mark.h"
  13 #include "sect.h"
  14 #include "token.h"
  15
  16
  17 static int siztab[4] = { 3, 5, 9, 9 };
  18
  19
  20 //
  21 // Print 'c' Visibly
  22 //
  23 int visprt(char c)
  24 {
  25         if (c < 0x20 || c >= 0x7F)
  26                 putchar('.');
  27         else
  28                 putchar(c);
  29
  30         return 0;
  31 }
  32
  33
  34 //
  35 // Print expression, return ptr to just past the ENDEXPR
  36 //
  37 TOKEN * printexpr(TOKEN * tp)
  38 {
  39         if (tp != NULL)
  40         {
  41                 while (*tp != ENDEXPR)
  42                 {
  43                         switch ((int)*tp++)
  44                         {
  45                         case SYMBOL:
  46 //                              printf("`%s' ", ((SYM *)*tp)->sname);
  47                                 printf("`%s' ", symbolPtr[*tp]->sname);
  48                                 tp++;
  49                                 break;
  50                         case CONST:
  51                                 printf("$%X ", *tp++);
  52                                 break;
  53                         case ACONST:
  54                                 printf("ACONST=($%X,$%X) ", *tp, tp[1]);
  55                                 tp += 2;
  56                                 break;
  57                         default:
  58                                 printf("%c ", (char)tp[-1]);
  59                                 break;
  60                         }
  61                 }
  62         }
  63
  64 //      printf(";\n");
  65         return tp + 1;
  66 }
  67
  68
  69 //
  70 // Dump data in a chunk (and maybe others) in the appropriate format
  71 //
  72 int chdump(CHUNK * ch, int format)
  73 {
  74         while (ch != NULL)
  75         {
  76                 printf("chloc=$%08X, chsize=$%X\n", ch->chloc, ch->ch_size);
  77                 mdump(ch->chptr, ch->ch_size, format, ch->chloc);
  78                 ch = ch->chnext;
  79         }
  80
  81         return 0;
  82 }
  83
  84
  85 //
  86 // Dump fixup records in printable format
  87 //
  88 int fudump(CHUNK * ch)
  89 {
  90         PTR p;
  91         char * ep;
  92         WORD attr, esiz;
  93         WORD line, file;
  94         LONG loc;
  95
  96         for(; ch!=NULL;)
  97         {
  98                 p.cp = ch->chptr;
  99                 ep = ch->chptr + ch->ch_size;
 100
 101                 while (p.cp < ep)
 102                 {
 103                         attr = *p.wp++;
 104                         loc = *p.lp++;
 105                         file = *p.wp++;
 106                         line = *p.wp++;
 107
 108                         printf("$%04X $%08X %d.%d: ", (int)attr, loc, (int)file, (int)line);
 109
 110                         if (attr & FU_EXPR)
 111                         {
 112                                 esiz = *p.wp++;
 113                                 printf("(%d long) ", (int)esiz);
 114                                 p.tk = printexpr(p.tk);
 115                         }
 116                         else
 117                         {
 118                                 printf("`%s' ;", (*p.sy)->sname);
 119                                 p.sy++;
 120                         }
 121
 122                         if ((attr & 0x0F00) == FU_JR)
 123                         {
 124                                 printf(" *=$%X", *p.lp);
 125                                 p.lp++;
 126                         }
 127
 128                         printf("\n");
 129                 }
 130
 131                 ch = ch->chnext;
 132         }
 133
 134         return 0;
 135 }
 136
 137
 138 //
 139 // Dump marks
 140 //
 141 int mudump(void)
 142 {
 143         MCHUNK * mch;
 144         PTR p;
 145         WORD from;
 146         WORD w;
 147         LONG loc;
 148         SYM * symbol;
 149
 150         from = 0;
 151
 152         for(mch=firstmch; mch!=NULL; mch=mch->mcnext)
 153         {
 154                 printf("mch=$%p mcptr=$%08X mcalloc=$%X mcused=$%X\n",
 155                         mch, (mch->mcptr.lw), mch->mcalloc, (mch->mcused));
 156
 157                 p = mch->mcptr;
 158
 159                 for(;;)
 160                 {
 161                         w = *p.wp++;
 162
 163                         if (w & MCHEND)
 164                                 break;
 165
 166                         symbol = NULL;
 167                         loc = *p.lp++;
 168
 169                         if (w & MCHFROM)
 170                                 from = *p.wp++;
 171
 172                         if (w & MSYMBOL)
 173                                 symbol = *p.sy++;
 174
 175                         printf("m=$%04X to=%d loc=$%X from=%d siz=%s",
 176                                         w, w & 0x00FF, loc, from, (w & MLONG) ? "long" : "word");
 177
 178                         if (symbol != NULL)
 179                                 printf(" sym=`%s'", symbol->sname);
 180
 181                         printf("\n");
 182                 }
 183         }
 184
 185         return 0;
 186 }
 187
 188
 189 //
 190 // Dump memory from 'start' for 'count' bytes; `flg' is the following ORed together:
 191 // 0 - bytes
 192 // 1 - words
 193 // 2 - longwords
 194 //
 195 // if `base' is not -1, then print it at the start of each line, incremented accordingly.
 196 //
 197 int mdump(char * start, LONG count, int flg, LONG base)
 198 {
 199         int i, j, k;
 200         j = 0;
 201
 202         for(i=0; i<(int)count;)
 203         {
 204                 if ((i & 15) == 0)
 205                 {
 206                         if (j < i)
 207                         {
 208                                 printf("  ");
 209
 210                                 while(j < i)
 211                                 visprt(start[j++]);
 212
 213                                 putchar('\n');
 214                         }
 215
 216                         j = i;
 217
 218                         if (base != -1)
 219                                 printf("%08X  ", base);
 220                 }
 221
 222                 switch (flg & 3)
 223                 {
 224                 case 0:
 225                         printf("%02X ", start[i] & 0xff);
 226                         ++i;
 227                         break;
 228                 case 1:
 229                         printf("%02X%02X ", start[i] & 0xff, start[i+1] & 0xff);
 230                         i += 2;
 231                         break;
 232                 case 2:
 233                         printf("%02X%02X%02X%02X ", start[i] & 0xff, start[i+1] & 0xff,
 234                                 start[i+2] & 0xff, start[i+3] & 0xff);
 235                         i += 4;
 236                         break;
 237                 case 3:
 238                         break;
 239                 }
 240
 241                 if (base != -1)
 242                         base += 1 << (flg & 3);
 243         }
 244
 245         // Print remaining bit of ascii; the hairy expression computes the number of
 246         // spaces to print to make the ascii line up nicely.
 247         if (j != i)
 248         {
 249                 k = ((16 - (i - j)) / (1 << (flg & 3))) * siztab[flg & 3];
 250
 251                 while(k--)
 252                         putchar(' ');
 253
 254                 printf("  ");
 255
 256                 while(j < i)
 257                         visprt(start[j++]);
 258
 259                 putchar('\n');
 260         }
 261
 262         return 0;
 263 }
 264
 265
 266 //
 267 // Dump list of tokens on stdout in printable form
 268 //
 269 int dumptok(TOKEN * tk)
 270 {
 271         int flg = 0;
 272
 273         while (*tk != EOL)
 274         {
 275                 if (flg++)
 276                         printf(" ");
 277
 278                 if (*tk >= 128)
 279                 {
 280                         printf("REG=%u", *tk++ - 128);
 281                         continue;
 282                 }
 283
 284                 switch ((int)*tk++)
 285                 {
 286                 case CONST:                                        // CONST <value>
 287                         printf("CONST=%u", *tk++);
 288                         break;
 289                 case STRING:                                       // STRING <address>
 290                         printf("STRING='%s'", string[*tk++]);
 291                         break;
 292                 case SYMBOL:                                       // SYMBOL <address>
 293                         printf("SYMBOL='%s'", string[*tk++]);
 294                         break;
 295                 case EOL:                                          // End of line
 296                         printf("EOL");
 297                         break;
 298                 case TKEOF:                                        // End of file (or macro)
 299                         printf("TKEOF");
 300                         break;
 301                 case DEQUALS:                                      // ==
 302                         printf("DEQUALS");
 303                         break;
 304                 case DCOLON:                                       // ::
 305                         printf("DCOLON");
 306                         break;
 307                 case GE:                                           // >=
 308                         printf("GE");
 309                         break;
 310                 case LE:                                           // <=
 311                         printf("LE");
 312                         break;
 313                 case NE:                                           // <> or !=
 314                         printf("NE");
 315                         break;
 316                 case SHR:                                          // >>
 317                         printf("SHR");
 318                         break;
 319                 case SHL:                                          // <<
 320                         printf("SHL");
 321                         break;
 322                 default:
 323                         printf("%c", (int)tk[-1]);
 324                         break;
 325                 }
 326         }
 327
 328         printf("\n");
 329
 330         return 0;
 331 }
 332
 333
 334 //
 335 // Dump Everything
 336 //
 337 int dump_everything(void)
 338 {
 339         int i;
 340
 341         for(i=1; i<NSECTS; i++)
 342         {
 343                 if (sect[i].scattr & SUSED)
 344                 {
 345                         printf("Section %d sloc=$%X\n", i, sect[i].sloc);
 346                         printf("Code:\n");
 347                         chdump(sect[i].sfcode, 1);
 348
 349                         printf("Fixup:\n");
 350                         fudump(sect[i].sffix);
 351
 352                         printf("\n");
 353                 }
 354         }
 355
 356         printf("\nMarks:\n");
 357         mudump();                                                               // Dump marks
 358 //      printf("Total memory allocated=$%X\n", amemtot);
 359
 360         return 0;
 361 }