compilers/linux86-0.16.17/as/6809/const.h

   1 #define align(x)                /* ((x) = ((int) (x) + (4-1)) & ~(4-1)) */
   2 #define LOW_BYTE 0              /* must be changed for big-endian */
   3
   4 /* const.h - constants for assembler */
   5
   6 /* major switches */
   7
   8 #undef  I80386                  /* generate 80386 code */
   9 #define MC6809                  /* generate 6809 code */
  10 #define MNSIZE                  /* allow byte size in mnemonic, e.g. "movb" */
  11 #undef  SOS_EDOS                /* source OS is EDOS */
  12
  13 /* defaults */
  14
  15 #define DIRCHAR '/'             /* character separating filename from dir */
  16 #define INBUFSIZE 8192
  17 #define SOS_EOLSTR "\012"
  18
  19 /* defaults modified by switches */
  20
  21 #ifdef SOS_EDOS
  22 # undef INBUFSIZE
  23 # define INBUFSIZE 512
  24 # undef SOS_EOLSTR
  25 # define SOS_EOLSTR "\015\012"
  26 # define STAKSIZ 256            /* table grows up to stack less this */
  27 #endif
  28
  29 /* booleans */
  30
  31 #define FALSE 0
  32 #define TRUE 1
  33
  34 /* ASCII constants */
  35
  36 #define ETB  23
  37
  38 /* C tricks */
  39
  40 #define EXTERN extern
  41 #define FORWARD static
  42 #define PRIVATE static
  43 #define PUBLIC
  44 #define NULL 0
  45
  46 /* O/S constants */
  47
  48 #define CREAT_PERMS 0666
  49 #define EOF (-1)
  50 #define STDIN 0
  51 #define STDOUT 1
  52
  53 /* register codes (internal to assembler) */
  54
  55 #ifdef I80386
  56
  57 /* index regs must be first */
  58
  59 #define BPREG 0
  60 #define BXREG 1
  61 #define DIREG 2
  62 #define SIREG 3
  63 #define MAX16BITINDREG 3
  64
  65 #define EAXREG 4
  66 #define EBPREG 5
  67 #define EBXREG 6
  68 #define ECXREG 7
  69 #define EDIREG 8
  70 #define EDXREG 9
  71 #define ESIREG 10
  72 #define ESPREG 11
  73 #define MAXINDREG 11
  74
  75 #define AXREG 12
  76 #define CXREG 13
  77 #define DXREG 14
  78 #define SPREG 15
  79
  80 #define AHREG 16
  81 #define ALREG 17
  82 #define BHREG 18
  83 #define BLREG 19
  84 #define CHREG 20
  85 #define CLREG 21
  86 #define DHREG 22
  87 #define DLREG 23
  88
  89 #define CSREG 24
  90 #define DSREG 25
  91 #define ESREG 26
  92 #define FSREG 27
  93 #define GSREG 28
  94 #define SSREG 29
  95
  96 #define CR0REG 30
  97 #define CR2REG 31
  98 #define CR3REG 32
  99 #define DR0REG 33
 100 #define DR1REG 34
 101 #define DR2REG 35
 102 #define DR3REG 36
 103 #define DR6REG 37
 104 #define DR7REG 38
 105 #define TR6REG 39
 106 #define TR7REG 40
 107
 108 #define NOREG 41
 109
 110 #endif                          /* I80386 */
 111
 112 #ifdef MC6809
 113
 114 /* index regs must be first, then PC, then other regs */
 115
 116 #define AREG  5
 117 #define BREG  6
 118 #define CCREG 7
 119 #define DPREG 8
 120 #define DREG  9
 121 #define MAXINDREG 3
 122 #define NOREG 10
 123 #define PCREG 4
 124 #define SREG  0
 125 #define UREG  1
 126 #define XREG  2
 127 #define YREG  3
 128
 129 #endif
 130
 131 #ifdef I80386
 132
 133 /* type and size keywords */
 134
 135 #define BYTEOP     0
 136 #define DWORDOP    1
 137 #define FWORDOP    2
 138 #define FAROP      3
 139 #define PTROP      4
 140 #define PWORDOP    5
 141 #define QWORDOP    6
 142 #define TBYTEOP    7
 143 #define WORDOP     8
 144 #endif
 145
 146 /* special chars */
 147
 148 #define EOL             0
 149 #define MACROCHAR       '?'
 150
 151 /* symbol codes */
 152
 153 /* the first 2 must be from chars in identifiers */
 154 #define IDENT           0
 155 #define INTCONST        1
 156
 157 /* the next few are best for other possibly-multi-char tokens */
 158 #define ADDOP           2       /* also ++ */
 159 #define BINCONST        3
 160 #define CHARCONST       4
 161 #define GREATERTHAN     5       /* also >> and context-sensitive */
 162 #define HEXCONST        6
 163 #define LESSTHAN        7       /* also << and context-sensitive */
 164 #define SUBOP           8       /* also -- */
 165 #define WHITESPACE      9
 166
 167 #define ANDOP           10
 168 #define COMMA           11
 169 #define EOLSYM          12
 170 #define EQOP            13
 171 #define IMMEDIATE       14
 172 #define INDIRECT        15
 173 #define LBRACKET        16
 174 #define LPAREN          17
 175 #define MACROARG        18
 176 #define NOTOP           19
 177 #define OROP            20
 178 #define OTHERSYM        21
 179 #define POSTINCOP       22
 180 #define PREDECOP        23
 181 #define RBRACKET        24
 182 #define RPAREN          25
 183 #define SLASH           26      /* context-sensitive */
 184 #define SLOP            27
 185 #define SROP            28
 186 #define STAR            29      /* context-sensitive */
 187 #define STRINGCONST     30
 188 #define COLON           31
 189
 190 /* these are from assembler errors module */
 191
 192 /* syntax errors */
 193
 194 #define COMEXP 0
 195 #define DELEXP 1
 196 #define FACEXP 2
 197 #define IREGEXP 3
 198 #define LABEXP 4
 199 #define LPEXP 5
 200 #define OPEXP 6
 201 #define RBEXP 7
 202 #define REGEXP 8
 203 #define RPEXP 9
 204 #define SPEXP 10
 205
 206 /* expression errors */
 207
 208 #define ABSREQ 11
 209 #define NONIMPREQ 12
 210 #define RELBAD 13
 211
 212 /* label errors */
 213
 214 #define ILLAB 14
 215 #define MACUID 15
 216 #define MISLAB 16
 217 #define MNUID 17
 218 #define REGUID 18
 219 #define RELAB 19
 220 #define UNBLAB 20
 221 #define UNLAB 21
 222 #define VARLAB 22
 223
 224 /* addressing errors */
 225
 226 #define ABOUNDS 23
 227 #define DBOUNDS 24
 228 #define ILLMOD 25
 229 #define ILLREG 26
 230
 231 /* control structure errors */
 232
 233 #define ELSEBAD 27
 234 #define ELSEIFBAD 27
 235 #define ENDBBAD 28
 236 #define ENDIFBAD 27
 237 #define EOFBLOCK 29
 238 #define EOFIF 30
 239
 240 #define EOFLC 31
 241 #define EOFMAC 32
 242 #define FAILERR 33
 243
 244 /* overflow errors */
 245
 246 #define BLOCKOV 34
 247 #define BWRAP 35
 248 #define COUNTOV 36
 249 #define COUNTUN 37
 250 #define GETOV 38
 251 #define IFOV 39
 252
 253 #define LINLONG 40
 254 #define MACOV 41
 255 #define OBJSYMOV 42
 256 #define OWRITE 43
 257 #define PAROV 44
 258 #define SYMOV 45
 259 #define SYMOUTOV 46
 260
 261 /* i/o errors */
 262
 263 #define OBJOUT 47
 264
 265 /* miscellaneous errors */
 266
 267 #define CTLINS 48
 268 #define FURTHER 49
 269 #define NOIMPORT 50
 270 #define NOTIMPLEMENTED 51
 271 #define REENTER 52
 272 #define SEGREL 53
 273
 274 /* warnings */
 275
 276 #define MINWARN 54
 277 #define ALREADY 54
 278 #define SHORTB 55
 279
 280 /* symbol table entry */
 281
 282                                 /* type entry contains following flags */
 283 #define ENTBIT   (1<<0)         /* entry point (=OBJ_N_MASK) */
 284 #define COMMBIT  (1<<1)         /* common */
 285 #define LABIT    (1<<2)         /* label (a PC location or defined by EQU) */
 286 #define MNREGBIT (1<<3)         /* mnemonic for op or pseudo-op, or register */
 287 #define MACBIT   (1<<4)         /* macro */
 288 #define REDBIT   (1<<5)         /* redefined */
 289 #define VARBIT   (1<<6)         /* variable (i.e. something defined by SET) */
 290 #define EXPBIT   (1<<7)         /* exported (= OBJ_E_MASK) */
 291
 292                                 /* data entry contains following flags, valid */
 293                                 /* for expressions as well as syms */
 294 #define PAGE1    (1<<0)         /* page 1 machine op = MNREGBIT \ PAGE1 */
 295 #define PAGE2    (1<<1)         /* page 2 machine op = MNREGBIT \ PAGE2 */
 296 #define REGBIT   (1<<2)         /* register = MNREGBIT \ REGBIT */
 297 #define SIZEBIT  (1<<3)         /* sizing mnemonic = MNREGBIT \ SIZEBIT */
 298 #define SEGM     15             /* 1st 4 bits reused for segment if !MNREGBIT */
 299 #define RELBIT   (1<<4)         /* relative (= OBJ_A_MASK) */
 300 #define FORBIT   (1<<5)         /* forward referenced */
 301 #define IMPBIT   (1<<6)         /* imported (= OBJ_I_MASK) */
 302 #define UNDBIT   (1<<7)         /* undefined */
 303
 304 /* pseudo-op routine numbers */
 305 /* conditionals are first, this is used to test if op is a conditional */
 306
 307 #define ELSEOP      0
 308 #define ELSEIFOP    1
 309 #define ELSEIFCOP   2
 310 #define ENDIFOP     3
 311 #define IFOP        4
 312 #define IFCOP       5
 313 #define MAXCOND     6           /* limit of conditionals */
 314
 315 #define BLOCKOP     6
 316 #define COMMOP      7
 317 #define ENDOP       8
 318 #define ENDBOP      9
 319 #define ENTEROP    10
 320 #define ENTRYOP    11
 321 #define EQUOP      12
 322 #define EXPORTOP   13
 323 #define FAILOP     14
 324 #define FCBOP      15
 325 #define FCCOP      16
 326 #define FDBOP      17
 327 #define GETOP      18
 328 #define IDENTOP    19
 329 #define IMPORTOP   20
 330 #define _LISTOP    21
 331 #define LOCOP      22
 332 #define _MACLISTOP 23
 333 #define MACROOP    24
 334 #define _MAPOP     25
 335 #define ORGOP      26
 336 #define RMBOP      27
 337 #define SETOP      28
 338 #define SETDPOP    29
 339 #define _WARNOP    30
 340
 341 #ifdef I80386
 342
 343 /* further pseudo-ops */
 344
 345 #define BSSOP      31
 346 #define COMMOP1    32
 347 #define DATAOP     33
 348 #define TEXTOP     34
 349 #define USE16OP    35
 350 #define USE32OP    36
 351
 352 /* machine-op routine numbers */
 353
 354 #define ARPL       37
 355 #define BCC        38
 356 #define BOUND      39
 357 #define CALL       40
 358 #define DIVMUL     41
 359 #define ENTER      42
 360 #define GROUP1     43
 361 #define GROUP2     44
 362 #define GROUP6     45
 363 #define GROUP7     46
 364 #define GROUP8     47
 365 #define GvEv       48
 366 #define IMUL       49
 367 #define IN         50
 368 #define INCDEC     51
 369 #define INHER      52
 370 #define INHER16    53
 371 #define INHER32    54
 372 #define INHER_A    55
 373 #define INT        56
 374 #define JCC        57
 375 #define JCXZ       58
 376 #define LEA        59
 377 #define LOAD_FULL_POINTER 60
 378 #define MOV        61
 379 #define MOVX       62
 380 #define NEGNOT     63
 381 #define OUT        64
 382 #define PUSHPOP    65
 383 #define RET        66
 384 #define RETF       67
 385 #define SEG        68
 386 #define SETCC      69
 387 #define SH_DOUBLE  70
 388 #define TEST       71
 389 #define XCHG       72
 390
 391 /* further pseudo-ops */
 392
 393 #define BLKWOP     73
 394 #define EVENOP     74
 395 #define FQBOP      75
 396 #define ALIGNOP    76
 397
 398 /* further machine-ops */
 399
 400 #define CALLI      77
 401
 402 /* yet further pseudo-ops */
 403
 404 #define LCOMMOP    78
 405 #define LCOMMOP1   79
 406
 407 #endif                          /* I80386 */
 408
 409 #ifdef MC6809
 410
 411 /* machine-op routine numbers */
 412
 413 #define ALL        31           /* all address modes allowed, like LDA */
 414 #define ALTER      32           /* all but immediate, like STA */
 415 #define IMMED      33           /* immediate only (ANDCC, ORCC) */
 416 #define INDEXD     34           /* indexed (LEA's) */
 417 #define INHER      35           /* inherent, like CLC or CLRA */
 418 #define LONG       36           /* long branches */
 419 #define SHORT      37           /* short branches */
 420 #define SSTAK      38           /* S-stack (PSHS, PULS) */
 421 #define SWAP       39           /* TFR, EXG */
 422 #define USTAK      40           /* U-stack (PSHU,PULU) */
 423
 424 /* yet further pseudo-ops */
 425
 426 #define LCOMMOP    41
 427
 428 #endif
 429
 430 /* object code format (Introl) */
 431
 432 #define OBJ_SEGSZ_TWO  0x02     /* size 2 code for segment size descriptor */
 433
 434 #define OBJ_MAX_ABS_LEN  64     /* max length of chunk of absolute code */
 435
 436 #define OBJ_ABS        0x40     /* absolute code command */
 437 #define OBJ_OFFSET_REL 0x80     /* offset relocation command */
 438 #define OBJ_SET_SEG    0x20     /* set segment command */
 439 #define OBJ_SKIP_1     0x11     /* skip with 1 byte count */
 440 #define OBJ_SKIP_2     0x12     /* skip with 2 byte count */
 441 #define OBJ_SKIP_4     0x13     /* skip with 4 byte count */
 442 #define OBJ_SYMBOL_REL 0xC0     /* symbol relocation command */
 443
 444 #define OBJ_A_MASK     0x10     /* absolute bit(symbols) */
 445 #if OBJ_A_MASK - RELBIT         /* must match internal format (~byte 1 -> 0) */
 446 oops - RELBIT misplaced
 447 #endif
 448 #define OBJ_E_MASK     0x80     /* exported bit (symbols) */
 449 #if OBJ_E_MASK - EXPBIT         /* must match internal format (byte 0 -> 0) */
 450 oops - EXPBIT misplaced
 451 #endif
 452 #define OBJ_I_MASK     0x40     /* imported bit (symbols) */
 453 #if OBJ_I_MASK - IMPBIT         /* must match internal format (byte 1 -> 0) */
 454 oops - IMPBIT misplaced
 455 #endif
 456 #define OBJ_N_MASK     0x01     /* entry bit (symbols) */
 457 #if OBJ_N_MASK - ENTBIT         /* must match internal format (byte 0 -> 1) */
 458 oops - ENTBIT misplaced
 459 #endif
 460 #define OBJ_SA_MASK    0x20     /* size allocation bit (symbols) */
 461 #define OBJ_SZ_ONE     0x40     /* size one code for symbol value */
 462 #define OBJ_SZ_TWO     0x80     /* size two code for symbol value */
 463 #define OBJ_SZ_FOUR    0xC0     /* size four code for symbol value */
 464
 465 #define OBJ_R_MASK     0x20     /* PC-rel bit (off & sym reloc commands) */
 466 #define OBJ_SEGM_MASK  0x0F     /* segment mask (symbols, off reloc command) */
 467
 468 #define OBJ_OF_MASK    0x03     /* offset size code for symbol reloc */
 469 #define OBJ_S_MASK     0x04     /* symbol number size code for symbol reloc */
 470
 471 #define SYMLIS_NAMELEN 26
 472 #define SYMLIS_LEN (sizeof (struct sym_listing_s))
 473
 474 #define FILNAMLEN 64            /* max length of a file name */
 475 #define LINLEN 256              /* max length of input line */
 476 #define LINUM_LEN 5             /* length of formatted line number */
 477
 478 #define SPTSIZ 1024             /* number of symbol ptrs */
 479                                 /* pseudo-op flags */
 480 #define POPHI 1                 /* set to print hi byte of adr */
 481 #define POPLO 2                 /* to print lo byte of ADR */
 482 #define POPLC 4                 /* to print LC */
 483 #define POPLONG 8               /* to print high word of ADR */
 484 #define MAXBLOCK 8              /* max nesting level of BLOCK stack */
 485 #define MAXGET 8                /* max nesting level of GET stack */
 486 #define MAXIF 8                 /* max nesting level of IF stack */
 487 #define MACPSIZ (128/sizeof (struct schain_s))
 488                                 /* size of macro param buffer */
 489 #define MAXMAC 8                /* max nesting level of macro stack */
 490 #define NLOC 16                 /* number of location counters */
 491 #ifdef I80386
 492 #define NO_SIB 0340             /* illegal sib (3 with 4) to mean no sib */
 493 #endif
 494
 495 /* special segments */
 496
 497 #define BSSLOC 3
 498 #define DATALOC 3
 499 #define DPLOC 2
 500 #define STRLOC 1
 501 #define TEXTLOC 0