1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)defs.h 5.3 (Berkeley) 01/10/86 7 */ 8 9 /* 10 * defs.h 11 * 12 * Definitions for f77pass1 13 * 14 * University of Utah CS Dept modification history: 15 * 16 * $Log: defs.h,v $ 17 * Revision 5.5 86/01/10 17:11:11 donn 18 * Add a vparamval field to Nameblock struct -- fix up klugy sharing between 19 * Paramblock and Nameblock structs. 20 * 21 * Revision 5.4 85/11/25 00:23:47 donn 22 * 4.3 beta 23 * 24 * Revision 5.3 85/08/10 06:31:09 donn 25 * Added missing definition for intrconv(). 26 * 27 * Revision 5.2 85/08/10 04:01:53 donn 28 * Jerry Berkman's change to add a definition for 'dblflag' and to ifdef 29 * the Fortran 66 compatibility flags. 30 * 31 * Revision 5.1 85/08/10 03:44:01 donn 32 * 4.3 alpha 33 * 34 * Revision 2.3 85/06/07 21:06:48 root 35 * Add copyright 36 * 37 * Revision 2.2 85/01/11 21:02:58 donn 38 * Added 'issaved' bit to addrblocks to help implement SAVE statements. 39 * 40 * Revision 2.1 84/07/19 12:02:46 donn 41 * Changed comment headers for UofU. 42 * 43 * Revision 1.2 84/02/27 00:49:40 donn 44 * Added external references to lists of argument temporaries, used in the 45 * Berkeley changes to reduce offsets of data. 46 * 47 */ 48 49 #include <stdio.h> 50 51 #ifdef unix 52 # include <ctype.h> 53 #endif 54 55 #include "ftypes.h" 56 #include "defines.h" 57 #include "machdefs.h" 58 59 #define VL 16 60 61 #define MAXDIM 20 62 #define MAXINCLUDES 10 63 #define MAXLITERALS 30 64 #define MAXCTL 20 65 #define MAXHASH 1009 66 #define MAXSTNO 401 67 #define MAXEXT 200 68 #define MAXEQUIV 150 69 #define MAXLABLIST 256 70 #define MAXDEBUGFLAG 20 71 72 typedef union Expression *expptr; 73 typedef union Taggedblock *tagptr; 74 typedef struct Chain *chainp; 75 typedef struct Addrblock *Addrp; 76 typedef struct Tempblock *Tempp; 77 typedef struct Constblock *Constp; 78 typedef struct Exprblock *Exprp; 79 typedef struct Nameblock *Namep; 80 81 extern FILEP infile; 82 extern FILEP diagfile; 83 extern FILEP textfile; 84 extern FILEP asmfile; 85 extern FILEP initfile; 86 extern long int headoffset; 87 88 extern char token [ ]; 89 extern int toklen; 90 extern int lineno; 91 extern char *infname; 92 extern int needkwd; 93 extern struct Labelblock *thislabel; 94 95 extern int maxctl; 96 extern int maxequiv; 97 extern int maxstno; 98 extern int maxhash; 99 extern int maxext; 100 101 extern flag profileflag; 102 extern flag dblflag; 103 extern flag optimflag; 104 extern flag nowarnflag; 105 extern flag ftn66flag; 106 #ifdef ONLY66 107 extern flag no66flag; 108 extern flag noextflag; 109 #endif 110 extern flag shiftcase; 111 extern flag undeftype; 112 extern flag shortsubs; 113 extern flag onetripflag; 114 extern flag checksubs; 115 extern flag debugflag[]; 116 extern flag equivdcl; 117 extern int nerr; 118 extern int nwarn; 119 extern int ndata; 120 121 extern int parstate; 122 extern flag headerdone; 123 extern int blklevel; 124 extern flag saveall; 125 extern flag substars; 126 extern int impltype[ ]; 127 extern int implleng[ ]; 128 extern int implstg[ ]; 129 130 extern int tyint; 131 extern int tylogical; 132 extern ftnint typesize[]; 133 extern int typealign[]; 134 extern int procno; 135 extern int proctype; 136 extern char * procname; 137 extern int rtvlabel[ ]; 138 extern int fudgelabel; /* to confuse the pdp11 optimizer */ 139 extern Addrp typeaddr; 140 extern Addrp retslot; 141 extern int cxslot; 142 extern int chslot; 143 extern int chlgslot; 144 extern int procclass; 145 extern ftnint procleng; 146 extern int nentry; 147 extern flag multitype; 148 extern int blklevel; 149 extern int lastlabno; 150 extern int lastvarno; 151 extern int lastargslot; 152 extern int argloc; 153 extern ftnint autoleng; 154 extern ftnint bssleng; 155 extern int retlabel; 156 extern int ret0label; 157 extern int dorange; 158 extern int regnum[ ]; 159 extern Namep regnamep[ ]; 160 extern int maxregvar; 161 extern int highregvar; 162 extern int nregvar; 163 extern ftnint lowbss; 164 extern ftnint highbss; 165 extern int bsslabel; 166 extern flag anyinits; 167 extern flag anylocals; 168 169 extern chainp templist; 170 extern chainp argtemplist; 171 extern chainp activearglist; 172 extern int maxdim; 173 extern chainp holdtemps; 174 extern struct Entrypoint *entries; 175 extern struct Rplblock *rpllist; 176 extern struct Chain *curdtp; 177 extern ftnint curdtelt; 178 extern flag toomanyinit; 179 180 extern flag inioctl; 181 extern int iostmt; 182 extern Addrp ioblkp; 183 extern int nioctl; 184 extern int nequiv; 185 extern int eqvstart; /* offset to eqv number to guarantee uniqueness */ 186 extern int nintnames; 187 188 #ifdef SDB 189 extern int dbglabel; 190 extern flag sdbflag; 191 #endif 192 193 extern int cdatafile; 194 extern int cchkfile; 195 extern int vdatafile; 196 extern int vchkfile; 197 198 extern char cdatafname[]; 199 extern char cchkfname[]; 200 extern char vdatafname[]; 201 extern char vchkfname[]; 202 203 extern long cdatahwm; 204 extern long vdatahwm; 205 206 207 struct Chain 208 { 209 chainp nextp; 210 tagptr datap; 211 }; 212 213 extern chainp chains; 214 215 struct Headblock 216 { 217 field tag; 218 field vtype; 219 field vclass; 220 field vstg; 221 expptr vleng; 222 } ; 223 224 struct Ctlframe 225 { 226 unsigned ctltype:8; 227 unsigned dostepsign:8; 228 int ctlabels[4]; 229 int dolabel; 230 Namep donamep; 231 expptr domax; 232 expptr dostep; 233 }; 234 #define endlabel ctlabels[0] 235 #define elselabel ctlabels[1] 236 #define dobodylabel ctlabels[1] 237 #define doposlabel ctlabels[2] 238 #define doneglabel ctlabels[3] 239 extern struct Ctlframe *ctls; 240 extern struct Ctlframe *ctlstack; 241 extern struct Ctlframe *lastctl; 242 243 struct Extsym 244 { 245 char extname[XL+1]; 246 field extstg; 247 unsigned extsave:1; 248 unsigned extinit:1; 249 chainp extp; 250 ftnint extleng; 251 ftnint maxleng; 252 char init; 253 long initoffset; 254 }; 255 256 extern struct Extsym *extsymtab; 257 extern struct Extsym *nextext; 258 extern struct Extsym *lastext; 259 260 struct Labelblock 261 { 262 int labelno; 263 unsigned blklevel:8; 264 unsigned labused:1; 265 unsigned labinacc:1; 266 unsigned labdefined:1; 267 unsigned labtype:2; 268 ftnint stateno; 269 }; 270 271 extern struct Labelblock *labeltab; 272 extern struct Labelblock *labtabend; 273 extern struct Labelblock *highlabtab; 274 275 struct Entrypoint 276 { 277 struct Entrypoint *entnextp; 278 struct Extsym *entryname; 279 chainp arglist; 280 int entrylabel; 281 int typelabel; 282 Namep enamep; 283 }; 284 285 struct Primblock 286 { 287 field tag; 288 field vtype; 289 Namep namep; 290 struct Listblock *argsp; 291 expptr fcharp; 292 expptr lcharp; 293 }; 294 295 296 struct Hashentry 297 { 298 int hashval; 299 Namep varp; 300 }; 301 extern struct Hashentry *hashtab; 302 extern struct Hashentry *lasthash; 303 304 struct Intrpacked /* bits for intrinsic function description */ 305 { 306 unsigned f1:3; 307 unsigned f2:4; 308 unsigned f3:7; 309 }; 310 311 struct Nameblock 312 { 313 field tag; 314 field vtype; 315 field vclass; 316 field vstg; 317 expptr vleng; 318 char varname[VL]; 319 expptr vparamval; 320 unsigned vdovar:1; 321 unsigned vdcldone:1; 322 unsigned vadjdim:1; 323 unsigned vsave:1; 324 unsigned vprocclass:3; 325 unsigned vregno:4; 326 union { 327 int varno; 328 struct Intrpacked intrdesc; /* bits for intrinsic function*/ 329 } vardesc; 330 struct Dimblock *vdim; 331 ftnint voffset; 332 union { 333 chainp namelist; /* points to chain of names in */ 334 chainp vstfdesc; /* points to (formals, expr) pair */ 335 } varxptr; 336 char inlcomm; 337 char init; 338 long initoffset; 339 ftnint varsize; 340 }; 341 342 343 struct Paramblock 344 { 345 field tag; 346 field vtype; 347 field vclass; 348 field vstg; 349 expptr vleng; 350 char varname[VL]; 351 expptr paramval; 352 } ; 353 354 355 struct Exprblock 356 { 357 field tag; 358 field vtype; 359 field vclass; 360 field vstg; 361 expptr vleng; 362 unsigned opcode:6; 363 expptr leftp; 364 expptr rightp; 365 }; 366 367 368 union Constant 369 { 370 char *ccp; 371 ftnint ci; 372 double cd[2]; 373 }; 374 375 struct Constblock 376 { 377 field tag; 378 field vtype; 379 field vclass; 380 field vstg; 381 expptr vleng; 382 union Constant const; 383 }; 384 385 386 struct Listblock 387 { 388 field tag; 389 field vtype; 390 chainp listp; 391 }; 392 393 394 395 struct Addrblock 396 { 397 field tag; 398 field vtype; 399 field vclass; 400 field vstg; 401 expptr vleng; 402 int memno; 403 expptr memoffset; 404 unsigned istemp:1; 405 unsigned isarray:1; 406 unsigned issaved:1; 407 unsigned ntempelt:10; 408 ftnint varleng; 409 ftnint varsize; 410 }; 411 412 413 414 struct Tempblock 415 { 416 field tag; 417 field vtype; 418 field vclass; 419 expptr vleng; 420 Addrp memalloc; 421 unsigned istemp:1; 422 unsigned ntempelt:10; 423 ftnint varleng; 424 }; 425 426 427 428 struct Errorblock 429 { 430 field tag; 431 field vtype; 432 }; 433 434 435 union Expression 436 { 437 field tag; 438 struct Headblock headblock; 439 struct Exprblock exprblock; 440 struct Addrblock addrblock; 441 struct Tempblock tempblock; 442 struct Constblock constblock; 443 struct Errorblock errorblock; 444 struct Listblock listblock; 445 struct Primblock primblock; 446 } ; 447 448 449 450 struct Dimblock 451 { 452 int ndim; 453 expptr nelt; 454 expptr baseoffset; 455 expptr basexpr; 456 struct 457 { 458 expptr dimsize; 459 expptr dimexpr; 460 expptr lb; 461 expptr lbaddr; 462 expptr ub; 463 expptr ubaddr; 464 } dims[1]; 465 }; 466 467 468 struct Impldoblock 469 { 470 field tag; 471 unsigned isactive:1; 472 unsigned isbusy:1; 473 Namep varnp; 474 Constp varvp; 475 chainp impdospec; 476 expptr implb; 477 expptr impub; 478 expptr impstep; 479 ftnint impdiff; 480 ftnint implim; 481 struct Chain *datalist; 482 }; 483 484 485 struct Rplblock /* name replacement block */ 486 { 487 struct Rplblock *rplnextp; 488 Namep rplnp; 489 expptr rplvp; 490 expptr rplxp; 491 int rpltag; 492 }; 493 494 495 496 struct Equivblock 497 { 498 struct Eqvchain *equivs; 499 flag eqvinit; 500 long int eqvtop; 501 long int eqvbottom; 502 char inlcomm; 503 char init; 504 long initoffset; 505 } ; 506 #define eqvleng eqvtop 507 508 extern struct Equivblock *eqvclass; 509 510 511 struct Eqvchain 512 { 513 struct Eqvchain *eqvnextp; 514 union 515 { 516 struct Primblock *eqvlhs; 517 Namep eqvname; 518 } eqvitem; 519 long int eqvoffset; 520 } ; 521 522 523 union Taggedblock 524 { 525 field tag; 526 struct Headblock headblock; 527 struct Nameblock nameblock; 528 struct Paramblock paramblock; 529 struct Exprblock exprblock; 530 struct Constblock constblock; 531 struct Listblock listblock; 532 struct Addrblock addrblock; 533 struct Tempblock tempblock; 534 struct Errorblock errorblock; 535 struct Primblock primblock; 536 struct Impldoblock impldoblock; 537 } ; 538 539 540 541 542 struct Literal 543 { 544 short littype; 545 short litnum; 546 union { 547 ftnint litival; 548 double litdval; 549 struct { 550 char litclen; /* small integer */ 551 char litcstr[XL]; 552 } litcval; 553 } litval; 554 }; 555 556 extern struct Literal litpool[ ]; 557 extern int nliterals; 558 559 560 561 /* popular functions with non integer return values */ 562 563 564 int *ckalloc(); 565 char *varstr(), *nounder(), *varunder(); 566 char *copyn(), *copys(); 567 chainp hookup(), mkchain(); 568 ftnint convci(); 569 char *convic(); 570 char *setdoto(); 571 double convcd(); 572 Namep mkname(); 573 struct Labelblock *mklabel(), *execlab(); 574 struct Extsym *mkext(), *newentry(); 575 expptr addrof(), call1(), call2(), call3(), call4(); 576 Tempp mktmpn(); 577 Addrp builtin(), mktemp(), altmpn(), mkaltemp(), mkaltmpn(), autovar(); 578 Addrp mkplace(), mkaddr(), putconst(), memversion(); 579 expptr mkprim(), mklhs(), mkexpr(), mkconv(), intrconv(), mkfunct(); 580 expptr fixexpr(), fixtype(); 581 expptr errnode(), mkintcon(); 582 tagptr cpexpr(); 583 ftnint lmin(), lmax(), iarrlen(); 584