ghc/rts/StgMiscClosures.hc

   1 /* -----------------------------------------------------------------------------
   2  * $Id: StgMiscClosures.hc,v 1.12 1999/02/05 15:25:09 simonm Exp $
   3  *
   4  * Entry code for various built-in closure types.
   5  *
   6  * ---------------------------------------------------------------------------*/
   7
   8 #include "Rts.h"
   9 #include "RtsUtils.h"
  10 #include "StgMiscClosures.h"
  11 #include "HeapStackCheck.h"   /* for stg_gen_yield */
  12 #include "Storage.h"
  13 #include "StoragePriv.h"
  14
  15 #ifdef HAVE_STDIO_H
  16 #include <stdio.h>
  17 #endif
  18
  19 /* -----------------------------------------------------------------------------
  20    Entry code for an indirection.
  21
  22    This code assumes R1 is in a register for now.
  23    -------------------------------------------------------------------------- */
  24
  25 INFO_TABLE(IND_info,IND_entry,1,0,IND,const,EF_,0,0);
  26 STGFUN(IND_entry)
  27 {
  28     FB_
  29     TICK_ENT_IND(Node); /* tick */
  30
  31     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  32     TICK_ENT_VIA_NODE();
  33     JMP_(*R1.p);
  34     FE_
  35 }
  36
  37 INFO_TABLE(IND_STATIC_info,IND_STATIC_entry,1,0,IND_STATIC,const,EF_,0,0);
  38 STGFUN(IND_STATIC_entry)
  39 {
  40     FB_
  41     TICK_ENT_IND(Node); /* tick */
  42
  43     R1.p = (P_) ((StgIndStatic*)R1.p)->indirectee;
  44     TICK_ENT_VIA_NODE();
  45     JMP_(*R1.p);
  46     FE_
  47 }
  48
  49 INFO_TABLE(IND_PERM_info,IND_PERM_entry,1,0,IND_PERM,const,EF_,0,0);
  50 STGFUN(IND_PERM_entry)
  51 {
  52     FB_
  53     /* Don't add INDs to granularity cost */
  54
  55     /* Dont: ENT_IND(Node); for ticky-ticky; this ind is here only to help profi
  56 ling */
  57
  58     /* Enter PAP cost centre -- lexical scoping only */
  59     ENTER_CCS_PAP_CL(R1.cl);
  60
  61     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  62
  63     /* Dont: TICK_ENT_VIA_NODE(); for ticky-ticky; as above */
  64
  65     JMP_(*R1.p);
  66     FE_
  67 }
  68
  69 INFO_TABLE(IND_OLDGEN_info,IND_OLDGEN_entry,1,1,IND_OLDGEN,const,EF_,0,0);
  70 STGFUN(IND_OLDGEN_entry)
  71 {
  72     FB_
  73     TICK_ENT_IND(Node); /* tick */
  74
  75     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  76     TICK_ENT_VIA_NODE();
  77     JMP_(*R1.p);
  78     FE_
  79 }
  80
  81 INFO_TABLE(IND_OLDGEN_PERM_info,IND_OLDGEN_PERM_entry,1,1,IND_OLDGEN_PERM,const,EF_,0,0);
  82 STGFUN(IND_OLDGEN_PERM_entry)
  83 {
  84     FB_
  85     TICK_ENT_IND(Node); /* tick */
  86
  87     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  88     TICK_ENT_VIA_NODE();
  89     JMP_(*R1.p);
  90     FE_
  91 }
  92
  93 /* -----------------------------------------------------------------------------
  94    Entry code for CAFs
  95
  96    This code assumes R1 is in a register for now.
  97    -------------------------------------------------------------------------- */
  98
  99 INFO_TABLE(CAF_UNENTERED_info,CAF_UNENTERED_entry,1,2,CAF_UNENTERED,const,EF_,0,0);
 100 STGFUN(CAF_UNENTERED_entry)
 101 {
 102     FB_
 103     /* ToDo: implement directly in GHC */
 104     Sp -= 1;
 105     Sp[0] = R1.w;
 106     JMP_(stg_yield_to_Hugs);
 107     FE_
 108 }
 109
 110 INFO_TABLE(CAF_ENTERED_info,CAF_ENTERED_entry,2,1,CAF_ENTERED,const,EF_,0,0);
 111 STGFUN(CAF_ENTERED_entry)
 112 {
 113     FB_
 114     R1.p = (P_) ((StgCAF*)R1.p)->value; /* just a fancy indirection */
 115     TICK_ENT_VIA_NODE();
 116     JMP_(GET_ENTRY(R1.cl));
 117     FE_
 118 }
 119
 120 /* -----------------------------------------------------------------------------
 121    Entry code for a black hole.
 122
 123    Entering a black hole normally causes a cyclic data dependency, but
 124    in the concurrent world, black holes are synchronization points,
 125    and they are turned into blocking queues when there are threads
 126    waiting for the evaluation of the closure to finish.
 127    -------------------------------------------------------------------------- */
 128
 129 /* Note: a black hole must be big enough to be overwritten with an
 130  * indirection/evacuee/catch.  Thus we claim it has 1 non-pointer word of
 131  * payload (in addition to the pointer word for the blocking queue), which
 132  * should be big enough for an old-generation indirection.
 133  */
 134
 135 INFO_TABLE(BLACKHOLE_info, BLACKHOLE_entry,0,2,BLACKHOLE,const,EF_,0,0);
 136 STGFUN(BLACKHOLE_entry)
 137 {
 138   FB_
 139     TICK_ENT_BH();
 140
 141     /* Change the BLACKHOLE into a BLACKHOLE_BQ */
 142     ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info;
 143     /* Put ourselves on the blocking queue for this black hole */
 144     CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure;
 145     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 146     recordMutable((StgMutClosure *)R1.cl);
 147
 148     /* stg_gen_block is too heavyweight, use a specialised one */
 149     BLOCK_NP(1);
 150   FE_
 151 }
 152
 153 INFO_TABLE(BLACKHOLE_BQ_info, BLACKHOLE_BQ_entry,1,1,BLACKHOLE_BQ,const,EF_,0,0);
 154 STGFUN(BLACKHOLE_BQ_entry)
 155 {
 156   FB_
 157     TICK_ENT_BH();
 158
 159     /* Put ourselves on the blocking queue for this black hole */
 160     CurrentTSO->link = ((StgBlockingQueue *)R1.p)->blocking_queue;
 161     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 162
 163     /* stg_gen_block is too heavyweight, use a specialised one */
 164     BLOCK_NP(1);
 165   FE_
 166 }
 167
 168 /* identical to BLACKHOLEs except for the infotag */
 169 INFO_TABLE(CAF_BLACKHOLE_info, CAF_BLACKHOLE_entry,0,2,CAF_BLACKHOLE,const,EF_,0,0);
 170 STGFUN(CAF_BLACKHOLE_entry)
 171 {
 172   FB_
 173     TICK_ENT_BH();
 174
 175     /* Change the BLACKHOLE into a BLACKHOLE_BQ */
 176     ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info;
 177     /* Put ourselves on the blocking queue for this black hole */
 178     CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure;
 179     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 180     recordMutable((StgMutClosure *)R1.cl);
 181
 182     /* stg_gen_block is too heavyweight, use a specialised one */
 183     BLOCK_NP(1);
 184   FE_
 185 }
 186
 187 /* -----------------------------------------------------------------------------
 188    The code for a BCO returns to the scheduler
 189    -------------------------------------------------------------------------- */
 190 INFO_TABLE(BCO_info,BCO_entry,0,0,BCO,const,EF_,0,0);
 191 EF_(BCO_entry) {
 192   FB_
 193     Sp -= 1;
 194     Sp[0] = R1.w;
 195     JMP_(stg_yield_to_Hugs);
 196   FE_
 197 }
 198
 199 /* -----------------------------------------------------------------------------
 200    Some static info tables for things that don't get entered, and
 201    therefore don't need entry code (i.e. boxed but unpointed objects)
 202    -------------------------------------------------------------------------- */
 203
 204 #define NON_ENTERABLE_ENTRY_CODE(type)                                  \
 205 STGFUN(type##_entry)                                                    \
 206 {                                                                       \
 207   FB_                                                                   \
 208     STGCALL1(fflush,stdout);                                            \
 209     STGCALL2(fprintf,stderr,#type " object entered!\n");                \
 210     STGCALL1(raiseError, errorHandler);                                 \
 211     stg_exit(EXIT_FAILURE); /* not executed */                          \
 212   FE_                                                                   \
 213 }
 214
 215 INFO_TABLE(TSO_info, TSO_entry, 0,0,TSO,const,EF_,0,0);
 216 NON_ENTERABLE_ENTRY_CODE(TSO);
 217
 218 /* -----------------------------------------------------------------------------
 219    Evacuees are left behind by the garbage collector.  Any attempt to enter
 220    one is a real bug.
 221    -------------------------------------------------------------------------- */
 222
 223 INFO_TABLE(EVACUATED_info,EVACUATED_entry,1,0,EVACUATED,const,EF_,0,0);
 224 NON_ENTERABLE_ENTRY_CODE(EVACUATED);
 225
 226 /* -----------------------------------------------------------------------------
 227    Weak pointers
 228
 229    Live weak pointers have a special closure type.  Dead ones are just
 230    nullary constructors (although they live on the heap - we overwrite
 231    live weak pointers with dead ones).
 232    -------------------------------------------------------------------------- */
 233
 234 INFO_TABLE(WEAK_info,WEAK_entry,0,4,WEAK,const,EF_,0,0);
 235 NON_ENTERABLE_ENTRY_CODE(WEAK);
 236
 237 INFO_TABLE_CONSTR(DEAD_WEAK_info,DEAD_WEAK_entry,0,1,0,CONSTR,const,EF_,0,0);
 238 NON_ENTERABLE_ENTRY_CODE(DEAD_WEAK);
 239
 240 /* -----------------------------------------------------------------------------
 241    NO_FINALISER
 242
 243    This is a static nullary constructor (like []) that we use to mark an empty
 244    finaliser in a weak pointer object.
 245    -------------------------------------------------------------------------- */
 246
 247 INFO_TABLE_CONSTR(NO_FINALISER_info,NO_FINALISER_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 248 NON_ENTERABLE_ENTRY_CODE(NO_FINALISER);
 249
 250 SET_STATIC_HDR(NO_FINALISER_closure,NO_FINALISER_info,0/*CC*/,,EI_)
 251 };
 252
 253 /* -----------------------------------------------------------------------------
 254    Foreign Objects are unlifted and therefore never entered.
 255    -------------------------------------------------------------------------- */
 256
 257 INFO_TABLE(FOREIGN_info,FOREIGN_entry,0,1,FOREIGN,const,EF_,0,0);
 258 NON_ENTERABLE_ENTRY_CODE(FOREIGN);
 259
 260 /* -----------------------------------------------------------------------------
 261    Stable Names are unlifted too.
 262    -------------------------------------------------------------------------- */
 263
 264 INFO_TABLE(STABLE_NAME_info,STABLE_NAME_entry,0,1,STABLE_NAME,const,EF_,0,0);
 265 NON_ENTERABLE_ENTRY_CODE(STABLE_NAME);
 266
 267 /* -----------------------------------------------------------------------------
 268    MVars
 269
 270    There are two kinds of these: full and empty.  We need an info table
 271    and entry code for each type.
 272    -------------------------------------------------------------------------- */
 273
 274 INFO_TABLE(FULL_MVAR_info,FULL_MVAR_entry,4,0,MVAR,const,EF_,0,0);
 275 NON_ENTERABLE_ENTRY_CODE(FULL_MVAR);
 276
 277 INFO_TABLE(EMPTY_MVAR_info,EMPTY_MVAR_entry,4,0,MVAR,const,EF_,0,0);
 278 NON_ENTERABLE_ENTRY_CODE(EMPTY_MVAR);
 279
 280 /* -----------------------------------------------------------------------------
 281    END_TSO_QUEUE
 282
 283    This is a static nullary constructor (like []) that we use to mark the
 284    end of a linked TSO queue.
 285    -------------------------------------------------------------------------- */
 286
 287 INFO_TABLE_CONSTR(END_TSO_QUEUE_info,END_TSO_QUEUE_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 288 NON_ENTERABLE_ENTRY_CODE(END_TSO_QUEUE);
 289
 290 SET_STATIC_HDR(END_TSO_QUEUE_closure,END_TSO_QUEUE_info,0/*CC*/,,EI_)
 291 };
 292
 293 /* -----------------------------------------------------------------------------
 294    Mutable lists
 295
 296    Mutable lists (used by the garbage collector) consist of a chain of
 297    StgMutClosures connected through their mut_link fields, ending in
 298    an END_MUT_LIST closure.
 299    -------------------------------------------------------------------------- */
 300
 301 INFO_TABLE_CONSTR(END_MUT_LIST_info,END_MUT_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 302 NON_ENTERABLE_ENTRY_CODE(END_MUT_LIST);
 303
 304 SET_STATIC_HDR(END_MUT_LIST_closure,END_MUT_LIST_info,0/*CC*/,,EI_)
 305 };
 306
 307 INFO_TABLE(MUT_CONS_info, MUT_CONS_entry, 1, 1, MUT_VAR, const, EF_, 0, 0);
 308 NON_ENTERABLE_ENTRY_CODE(MUT_CONS);
 309
 310 /* -----------------------------------------------------------------------------
 311    Arrays
 312
 313    These come in two basic flavours: arrays of data (StgArrWords) and arrays of
 314    pointers (StgArrPtrs).  They all have a similar layout:
 315
 316         ___________________________
 317         | Info | No. of | data....
 318         |  Ptr | Words  |
 319         ---------------------------
 320
 321    These are *unpointed* objects: i.e. they cannot be entered.
 322
 323    -------------------------------------------------------------------------- */
 324
 325 #define ArrayInfo(type)                                                 \
 326 INFO_TABLE(type##_info, type##_entry, 0, 0, type, const, EF_,0,0);      \
 327 NON_ENTERABLE_ENTRY_CODE(type);
 328
 329 ArrayInfo(ARR_WORDS);
 330 ArrayInfo(MUT_ARR_PTRS);
 331 ArrayInfo(MUT_ARR_PTRS_FROZEN);
 332
 333 #undef ArrayInfo
 334
 335 /* -----------------------------------------------------------------------------
 336    Mutable Variables
 337    -------------------------------------------------------------------------- */
 338
 339 INFO_TABLE(MUT_VAR_info, MUT_VAR_entry, 1, 1, MUT_VAR, const, EF_, 0, 0);
 340 NON_ENTERABLE_ENTRY_CODE(MUT_VAR);
 341
 342 /* -----------------------------------------------------------------------------
 343    Standard Error Entry.
 344
 345    This is used for filling in vector-table entries that can never happen,
 346    for instance.
 347    -------------------------------------------------------------------------- */
 348
 349 STGFUN(stg_error_entry)                                                 \
 350 {                                                                       \
 351   FB_                                                                   \
 352     STGCALL1(fflush,stdout);                                            \
 353     STGCALL2(fprintf,stderr,"fatal: stg_error_entry");                  \
 354     STGCALL1(raiseError, errorHandler);                                 \
 355     exit(EXIT_FAILURE); /* not executed */                              \
 356   FE_                                                                   \
 357 }
 358
 359 /* -----------------------------------------------------------------------------
 360    Dummy return closure
 361
 362    Entering this closure will just return to the address on the top of the
 363    stack.  Useful for getting a thread in a canonical form where we can
 364    just enter the top stack word to start the thread.  (see deleteThread)
 365  * -------------------------------------------------------------------------- */
 366
 367 INFO_TABLE(dummy_ret_info, dummy_ret_entry, 0, 0, CONSTR_NOCAF_STATIC, const, EF_, 0, 0);
 368 FN_(dummy_ret_entry)
 369 {
 370   W_ ret_addr;
 371   FB_
 372   ret_addr = Sp[0];
 373   Sp++;
 374   JMP_(ENTRY_CODE(ret_addr));
 375   FE_
 376 }
 377 SET_STATIC_HDR(dummy_ret_closure,dummy_ret_info,CCS_DONTZuCARE,,EI_)
 378 };
 379
 380 /* -----------------------------------------------------------------------------
 381    Standard Infotables (for use in interpreter)
 382    -------------------------------------------------------------------------- */
 383
 384 #ifdef INTERPRETER
 385
 386 STGFUN(Hugs_CONSTR_entry)
 387 {
 388     Sp -= 1;
 389     ((StgPtr*)Sp)[0] = R1.p;
 390     /* vectored: JMP_(RET_VEC(((StgPtr*)Sp)[1],constrTag(?))); */
 391     JMP_(ENTRY_CODE(((StgPtr*)Sp)[1]));
 392 }
 393
 394 #define RET_BCO_ENTRY_TEMPLATE(label)   \
 395    IFN_(label)                          \
 396    {                                    \
 397       FB_                               \
 398       Sp -= 1;                          \
 399       ((StgPtr*)Sp)[0] = R1.p;          \
 400       JMP_(stg_yield_to_Hugs);          \
 401       FE_                               \
 402    }
 403
 404 RET_BCO_ENTRY_TEMPLATE(ret_bco_entry  );
 405 RET_BCO_ENTRY_TEMPLATE(ret_bco_0_entry);
 406 RET_BCO_ENTRY_TEMPLATE(ret_bco_1_entry);
 407 RET_BCO_ENTRY_TEMPLATE(ret_bco_2_entry);
 408 RET_BCO_ENTRY_TEMPLATE(ret_bco_3_entry);
 409 RET_BCO_ENTRY_TEMPLATE(ret_bco_4_entry);
 410 RET_BCO_ENTRY_TEMPLATE(ret_bco_5_entry);
 411 RET_BCO_ENTRY_TEMPLATE(ret_bco_6_entry);
 412 RET_BCO_ENTRY_TEMPLATE(ret_bco_7_entry);
 413
 414 VEC_POLY_INFO_TABLE(ret_bco,0, NULL/*srt*/, 0/*srt_off*/, 0/*srt_len*/, RET_BCO);
 415
 416 #endif /* INTERPRETER */
 417
 418 #ifndef COMPILER
 419
 420 INFO_TABLE_CONSTR(Czh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR,const,EF_,0,0);
 421 INFO_TABLE_CONSTR(Izh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR,const,EF_,0,0);
 422 INFO_TABLE_CONSTR(I64zh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR,const,EF_,0,0);
 423 INFO_TABLE_CONSTR(Fzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR,const,EF_,0,0);
 424 INFO_TABLE_CONSTR(Dzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR,const,EF_,0,0);
 425 INFO_TABLE_CONSTR(Azh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR,const,EF_,0,0);
 426 INFO_TABLE_CONSTR(Wzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR,const,EF_,0,0);
 427 INFO_TABLE_CONSTR(StablePtr_con_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR,const,EF_,0,0);
 428
 429 /* These might seem redundant but {I,C}zh_static_info are used in
 430  * {INT,CHAR}LIKE and the rest are used in RtsAPI.c
 431  */
 432 INFO_TABLE_CONSTR(Czh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 433 INFO_TABLE_CONSTR(Izh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 434 INFO_TABLE_CONSTR(I64zh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 435 INFO_TABLE_CONSTR(Fzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 436 INFO_TABLE_CONSTR(Dzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 437 INFO_TABLE_CONSTR(Azh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 438 INFO_TABLE_CONSTR(Wzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 439 INFO_TABLE_CONSTR(StablePtr_static_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 440
 441 #endif /* !defined(COMPILER) */
 442
 443 /* -----------------------------------------------------------------------------
 444    CHARLIKE and INTLIKE closures.
 445
 446    These are static representations of Chars and small Ints, so that
 447    we can remove dynamic Chars and Ints during garbage collection and
 448    replace them with references to the static objects.
 449    -------------------------------------------------------------------------- */
 450
 451 #define CHARLIKE_HDR(n)                                         \
 452         {                                                       \
 453           STATIC_HDR(Czh_static_info, /* C# */                  \
 454                          CCS_DONTZuCARE),                       \
 455           data : n                                              \
 456         }
 457
 458 #define INTLIKE_HDR(n)                                          \
 459         {                                                       \
 460           STATIC_HDR(Izh_static_info,  /* I# */                 \
 461                          CCS_DONTZuCARE),                       \
 462           data : n                                              \
 463         }
 464
 465 /* put these in the *data* section, since the garbage collector relies
 466  * on the fact that static closures live in the data section.
 467  */
 468
 469 /* end the name with _closure, to convince the mangler this is a closure */
 470
 471 StgIntCharlikeClosure CHARLIKE_closure[] = {
 472     CHARLIKE_HDR(0),
 473     CHARLIKE_HDR(1),
 474     CHARLIKE_HDR(2),
 475     CHARLIKE_HDR(3),
 476     CHARLIKE_HDR(4),
 477     CHARLIKE_HDR(5),
 478     CHARLIKE_HDR(6),
 479     CHARLIKE_HDR(7),
 480     CHARLIKE_HDR(8),
 481     CHARLIKE_HDR(9),
 482     CHARLIKE_HDR(10),
 483     CHARLIKE_HDR(11),
 484     CHARLIKE_HDR(12),
 485     CHARLIKE_HDR(13),
 486     CHARLIKE_HDR(14),
 487     CHARLIKE_HDR(15),
 488     CHARLIKE_HDR(16),
 489     CHARLIKE_HDR(17),
 490     CHARLIKE_HDR(18),
 491     CHARLIKE_HDR(19),
 492     CHARLIKE_HDR(20),
 493     CHARLIKE_HDR(21),
 494     CHARLIKE_HDR(22),
 495     CHARLIKE_HDR(23),
 496     CHARLIKE_HDR(24),
 497     CHARLIKE_HDR(25),
 498     CHARLIKE_HDR(26),
 499     CHARLIKE_HDR(27),
 500     CHARLIKE_HDR(28),
 501     CHARLIKE_HDR(29),
 502     CHARLIKE_HDR(30),
 503     CHARLIKE_HDR(31),
 504     CHARLIKE_HDR(32),
 505     CHARLIKE_HDR(33),
 506     CHARLIKE_HDR(34),
 507     CHARLIKE_HDR(35),
 508     CHARLIKE_HDR(36),
 509     CHARLIKE_HDR(37),
 510     CHARLIKE_HDR(38),
 511     CHARLIKE_HDR(39),
 512     CHARLIKE_HDR(40),
 513     CHARLIKE_HDR(41),
 514     CHARLIKE_HDR(42),
 515     CHARLIKE_HDR(43),
 516     CHARLIKE_HDR(44),
 517     CHARLIKE_HDR(45),
 518     CHARLIKE_HDR(46),
 519     CHARLIKE_HDR(47),
 520     CHARLIKE_HDR(48),
 521     CHARLIKE_HDR(49),
 522     CHARLIKE_HDR(50),
 523     CHARLIKE_HDR(51),
 524     CHARLIKE_HDR(52),
 525     CHARLIKE_HDR(53),
 526     CHARLIKE_HDR(54),
 527     CHARLIKE_HDR(55),
 528     CHARLIKE_HDR(56),
 529     CHARLIKE_HDR(57),
 530     CHARLIKE_HDR(58),
 531     CHARLIKE_HDR(59),
 532     CHARLIKE_HDR(60),
 533     CHARLIKE_HDR(61),
 534     CHARLIKE_HDR(62),
 535     CHARLIKE_HDR(63),
 536     CHARLIKE_HDR(64),
 537     CHARLIKE_HDR(65),
 538     CHARLIKE_HDR(66),
 539     CHARLIKE_HDR(67),
 540     CHARLIKE_HDR(68),
 541     CHARLIKE_HDR(69),
 542     CHARLIKE_HDR(70),
 543     CHARLIKE_HDR(71),
 544     CHARLIKE_HDR(72),
 545     CHARLIKE_HDR(73),
 546     CHARLIKE_HDR(74),
 547     CHARLIKE_HDR(75),
 548     CHARLIKE_HDR(76),
 549     CHARLIKE_HDR(77),
 550     CHARLIKE_HDR(78),
 551     CHARLIKE_HDR(79),
 552     CHARLIKE_HDR(80),
 553     CHARLIKE_HDR(81),
 554     CHARLIKE_HDR(82),
 555     CHARLIKE_HDR(83),
 556     CHARLIKE_HDR(84),
 557     CHARLIKE_HDR(85),
 558     CHARLIKE_HDR(86),
 559     CHARLIKE_HDR(87),
 560     CHARLIKE_HDR(88),
 561     CHARLIKE_HDR(89),
 562     CHARLIKE_HDR(90),
 563     CHARLIKE_HDR(91),
 564     CHARLIKE_HDR(92),
 565     CHARLIKE_HDR(93),
 566     CHARLIKE_HDR(94),
 567     CHARLIKE_HDR(95),
 568     CHARLIKE_HDR(96),
 569     CHARLIKE_HDR(97),
 570     CHARLIKE_HDR(98),
 571     CHARLIKE_HDR(99),
 572     CHARLIKE_HDR(100),
 573     CHARLIKE_HDR(101),
 574     CHARLIKE_HDR(102),
 575     CHARLIKE_HDR(103),
 576     CHARLIKE_HDR(104),
 577     CHARLIKE_HDR(105),
 578     CHARLIKE_HDR(106),
 579     CHARLIKE_HDR(107),
 580     CHARLIKE_HDR(108),
 581     CHARLIKE_HDR(109),
 582     CHARLIKE_HDR(110),
 583     CHARLIKE_HDR(111),
 584     CHARLIKE_HDR(112),
 585     CHARLIKE_HDR(113),
 586     CHARLIKE_HDR(114),
 587     CHARLIKE_HDR(115),
 588     CHARLIKE_HDR(116),
 589     CHARLIKE_HDR(117),
 590     CHARLIKE_HDR(118),
 591     CHARLIKE_HDR(119),
 592     CHARLIKE_HDR(120),
 593     CHARLIKE_HDR(121),
 594     CHARLIKE_HDR(122),
 595     CHARLIKE_HDR(123),
 596     CHARLIKE_HDR(124),
 597     CHARLIKE_HDR(125),
 598     CHARLIKE_HDR(126),
 599     CHARLIKE_HDR(127),
 600     CHARLIKE_HDR(128),
 601     CHARLIKE_HDR(129),
 602     CHARLIKE_HDR(130),
 603     CHARLIKE_HDR(131),
 604     CHARLIKE_HDR(132),
 605     CHARLIKE_HDR(133),
 606     CHARLIKE_HDR(134),
 607     CHARLIKE_HDR(135),
 608     CHARLIKE_HDR(136),
 609     CHARLIKE_HDR(137),
 610     CHARLIKE_HDR(138),
 611     CHARLIKE_HDR(139),
 612     CHARLIKE_HDR(140),
 613     CHARLIKE_HDR(141),
 614     CHARLIKE_HDR(142),
 615     CHARLIKE_HDR(143),
 616     CHARLIKE_HDR(144),
 617     CHARLIKE_HDR(145),
 618     CHARLIKE_HDR(146),
 619     CHARLIKE_HDR(147),
 620     CHARLIKE_HDR(148),
 621     CHARLIKE_HDR(149),
 622     CHARLIKE_HDR(150),
 623     CHARLIKE_HDR(151),
 624     CHARLIKE_HDR(152),
 625     CHARLIKE_HDR(153),
 626     CHARLIKE_HDR(154),
 627     CHARLIKE_HDR(155),
 628     CHARLIKE_HDR(156),
 629     CHARLIKE_HDR(157),
 630     CHARLIKE_HDR(158),
 631     CHARLIKE_HDR(159),
 632     CHARLIKE_HDR(160),
 633     CHARLIKE_HDR(161),
 634     CHARLIKE_HDR(162),
 635     CHARLIKE_HDR(163),
 636     CHARLIKE_HDR(164),
 637     CHARLIKE_HDR(165),
 638     CHARLIKE_HDR(166),
 639     CHARLIKE_HDR(167),
 640     CHARLIKE_HDR(168),
 641     CHARLIKE_HDR(169),
 642     CHARLIKE_HDR(170),
 643     CHARLIKE_HDR(171),
 644     CHARLIKE_HDR(172),
 645     CHARLIKE_HDR(173),
 646     CHARLIKE_HDR(174),
 647     CHARLIKE_HDR(175),
 648     CHARLIKE_HDR(176),
 649     CHARLIKE_HDR(177),
 650     CHARLIKE_HDR(178),
 651     CHARLIKE_HDR(179),
 652     CHARLIKE_HDR(180),
 653     CHARLIKE_HDR(181),
 654     CHARLIKE_HDR(182),
 655     CHARLIKE_HDR(183),
 656     CHARLIKE_HDR(184),
 657     CHARLIKE_HDR(185),
 658     CHARLIKE_HDR(186),
 659     CHARLIKE_HDR(187),
 660     CHARLIKE_HDR(188),
 661     CHARLIKE_HDR(189),
 662     CHARLIKE_HDR(190),
 663     CHARLIKE_HDR(191),
 664     CHARLIKE_HDR(192),
 665     CHARLIKE_HDR(193),
 666     CHARLIKE_HDR(194),
 667     CHARLIKE_HDR(195),
 668     CHARLIKE_HDR(196),
 669     CHARLIKE_HDR(197),
 670     CHARLIKE_HDR(198),
 671     CHARLIKE_HDR(199),
 672     CHARLIKE_HDR(200),
 673     CHARLIKE_HDR(201),
 674     CHARLIKE_HDR(202),
 675     CHARLIKE_HDR(203),
 676     CHARLIKE_HDR(204),
 677     CHARLIKE_HDR(205),
 678     CHARLIKE_HDR(206),
 679     CHARLIKE_HDR(207),
 680     CHARLIKE_HDR(208),
 681     CHARLIKE_HDR(209),
 682     CHARLIKE_HDR(210),
 683     CHARLIKE_HDR(211),
 684     CHARLIKE_HDR(212),
 685     CHARLIKE_HDR(213),
 686     CHARLIKE_HDR(214),
 687     CHARLIKE_HDR(215),
 688     CHARLIKE_HDR(216),
 689     CHARLIKE_HDR(217),
 690     CHARLIKE_HDR(218),
 691     CHARLIKE_HDR(219),
 692     CHARLIKE_HDR(220),
 693     CHARLIKE_HDR(221),
 694     CHARLIKE_HDR(222),
 695     CHARLIKE_HDR(223),
 696     CHARLIKE_HDR(224),
 697     CHARLIKE_HDR(225),
 698     CHARLIKE_HDR(226),
 699     CHARLIKE_HDR(227),
 700     CHARLIKE_HDR(228),
 701     CHARLIKE_HDR(229),
 702     CHARLIKE_HDR(230),
 703     CHARLIKE_HDR(231),
 704     CHARLIKE_HDR(232),
 705     CHARLIKE_HDR(233),
 706     CHARLIKE_HDR(234),
 707     CHARLIKE_HDR(235),
 708     CHARLIKE_HDR(236),
 709     CHARLIKE_HDR(237),
 710     CHARLIKE_HDR(238),
 711     CHARLIKE_HDR(239),
 712     CHARLIKE_HDR(240),
 713     CHARLIKE_HDR(241),
 714     CHARLIKE_HDR(242),
 715     CHARLIKE_HDR(243),
 716     CHARLIKE_HDR(244),
 717     CHARLIKE_HDR(245),
 718     CHARLIKE_HDR(246),
 719     CHARLIKE_HDR(247),
 720     CHARLIKE_HDR(248),
 721     CHARLIKE_HDR(249),
 722     CHARLIKE_HDR(250),
 723     CHARLIKE_HDR(251),
 724     CHARLIKE_HDR(252),
 725     CHARLIKE_HDR(253),
 726     CHARLIKE_HDR(254),
 727     CHARLIKE_HDR(255)
 728 };
 729
 730 StgIntCharlikeClosure INTLIKE_closure[] = {
 731     INTLIKE_HDR(-16),   /* MIN_INTLIKE == -16 */
 732     INTLIKE_HDR(-15),
 733     INTLIKE_HDR(-14),
 734     INTLIKE_HDR(-13),
 735     INTLIKE_HDR(-12),
 736     INTLIKE_HDR(-11),
 737     INTLIKE_HDR(-10),
 738     INTLIKE_HDR(-9),
 739     INTLIKE_HDR(-8),
 740     INTLIKE_HDR(-7),
 741     INTLIKE_HDR(-6),
 742     INTLIKE_HDR(-5),
 743     INTLIKE_HDR(-4),
 744     INTLIKE_HDR(-3),
 745     INTLIKE_HDR(-2),
 746     INTLIKE_HDR(-1),
 747     INTLIKE_HDR(0),
 748     INTLIKE_HDR(1),
 749     INTLIKE_HDR(2),
 750     INTLIKE_HDR(3),
 751     INTLIKE_HDR(4),
 752     INTLIKE_HDR(5),
 753     INTLIKE_HDR(6),
 754     INTLIKE_HDR(7),
 755     INTLIKE_HDR(8),
 756     INTLIKE_HDR(9),
 757     INTLIKE_HDR(10),
 758     INTLIKE_HDR(11),
 759     INTLIKE_HDR(12),
 760     INTLIKE_HDR(13),
 761     INTLIKE_HDR(14),
 762     INTLIKE_HDR(15),
 763     INTLIKE_HDR(16)     /* MAX_INTLIKE == 16 */
 764 };