ghc/rts/StgMiscClosures.hc

   1 /* -----------------------------------------------------------------------------
   2  * $Id: StgMiscClosures.hc,v 1.14 1999/02/11 14:22:54 simonm Exp $
   3  *
   4  * (c) The GHC Team, 1998-1999
   5  *
   6  * Entry code for various built-in closure types.
   7  *
   8  * ---------------------------------------------------------------------------*/
   9
  10 #include "Rts.h"
  11 #include "RtsUtils.h"
  12 #include "StgMiscClosures.h"
  13 #include "HeapStackCheck.h"   /* for stg_gen_yield */
  14 #include "Storage.h"
  15 #include "StoragePriv.h"
  16
  17 #ifdef HAVE_STDIO_H
  18 #include <stdio.h>
  19 #endif
  20
  21 /* -----------------------------------------------------------------------------
  22    Entry code for an indirection.
  23
  24    This code assumes R1 is in a register for now.
  25    -------------------------------------------------------------------------- */
  26
  27 INFO_TABLE(IND_info,IND_entry,1,0,IND,const,EF_,0,0);
  28 STGFUN(IND_entry)
  29 {
  30     FB_
  31     TICK_ENT_IND(Node); /* tick */
  32
  33     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  34     TICK_ENT_VIA_NODE();
  35     JMP_(*R1.p);
  36     FE_
  37 }
  38
  39 INFO_TABLE(IND_STATIC_info,IND_STATIC_entry,1,0,IND_STATIC,const,EF_,0,0);
  40 STGFUN(IND_STATIC_entry)
  41 {
  42     FB_
  43     TICK_ENT_IND(Node); /* tick */
  44
  45     R1.p = (P_) ((StgIndStatic*)R1.p)->indirectee;
  46     TICK_ENT_VIA_NODE();
  47     JMP_(*R1.p);
  48     FE_
  49 }
  50
  51 INFO_TABLE(IND_PERM_info,IND_PERM_entry,1,0,IND_PERM,const,EF_,0,0);
  52 STGFUN(IND_PERM_entry)
  53 {
  54     FB_
  55     /* Don't add INDs to granularity cost */
  56
  57     /* Dont: ENT_IND(Node); for ticky-ticky; this ind is here only to help profi
  58 ling */
  59
  60     /* Enter PAP cost centre -- lexical scoping only */
  61     ENTER_CCS_PAP_CL(R1.cl);
  62
  63     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  64
  65     /* Dont: TICK_ENT_VIA_NODE(); for ticky-ticky; as above */
  66
  67     JMP_(*R1.p);
  68     FE_
  69 }
  70
  71 INFO_TABLE(IND_OLDGEN_info,IND_OLDGEN_entry,1,1,IND_OLDGEN,const,EF_,0,0);
  72 STGFUN(IND_OLDGEN_entry)
  73 {
  74     FB_
  75     TICK_ENT_IND(Node); /* tick */
  76
  77     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  78     TICK_ENT_VIA_NODE();
  79     JMP_(*R1.p);
  80     FE_
  81 }
  82
  83 INFO_TABLE(IND_OLDGEN_PERM_info,IND_OLDGEN_PERM_entry,1,1,IND_OLDGEN_PERM,const,EF_,0,0);
  84 STGFUN(IND_OLDGEN_PERM_entry)
  85 {
  86     FB_
  87     TICK_ENT_IND(Node); /* tick */
  88
  89     R1.p = (P_) ((StgInd*)R1.p)->indirectee;
  90     TICK_ENT_VIA_NODE();
  91     JMP_(*R1.p);
  92     FE_
  93 }
  94
  95 /* -----------------------------------------------------------------------------
  96    Entry code for CAFs
  97
  98    This code assumes R1 is in a register for now.
  99    -------------------------------------------------------------------------- */
 100
 101 INFO_TABLE(CAF_UNENTERED_info,CAF_UNENTERED_entry,1,2,CAF_UNENTERED,const,EF_,0,0);
 102 STGFUN(CAF_UNENTERED_entry)
 103 {
 104     FB_
 105     /* ToDo: implement directly in GHC */
 106     Sp -= 1;
 107     Sp[0] = R1.w;
 108     JMP_(stg_yield_to_Hugs);
 109     FE_
 110 }
 111
 112 INFO_TABLE(CAF_ENTERED_info,CAF_ENTERED_entry,2,1,CAF_ENTERED,const,EF_,0,0);
 113 STGFUN(CAF_ENTERED_entry)
 114 {
 115     FB_
 116     R1.p = (P_) ((StgCAF*)R1.p)->value; /* just a fancy indirection */
 117     TICK_ENT_VIA_NODE();
 118     JMP_(GET_ENTRY(R1.cl));
 119     FE_
 120 }
 121
 122 /* -----------------------------------------------------------------------------
 123    Entry code for a black hole.
 124
 125    Entering a black hole normally causes a cyclic data dependency, but
 126    in the concurrent world, black holes are synchronization points,
 127    and they are turned into blocking queues when there are threads
 128    waiting for the evaluation of the closure to finish.
 129    -------------------------------------------------------------------------- */
 130
 131 /* Note: a black hole must be big enough to be overwritten with an
 132  * indirection/evacuee/catch.  Thus we claim it has 1 non-pointer word of
 133  * payload (in addition to the pointer word for the blocking queue), which
 134  * should be big enough for an old-generation indirection.
 135  */
 136
 137 INFO_TABLE(BLACKHOLE_info, BLACKHOLE_entry,0,2,BLACKHOLE,const,EF_,0,0);
 138 STGFUN(BLACKHOLE_entry)
 139 {
 140   FB_
 141     TICK_ENT_BH();
 142
 143     /* Change the BLACKHOLE into a BLACKHOLE_BQ */
 144     ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info;
 145     /* Put ourselves on the blocking queue for this black hole */
 146     CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure;
 147     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 148     recordMutable((StgMutClosure *)R1.cl);
 149
 150     /* stg_gen_block is too heavyweight, use a specialised one */
 151     BLOCK_NP(1);
 152   FE_
 153 }
 154
 155 INFO_TABLE(BLACKHOLE_BQ_info, BLACKHOLE_BQ_entry,1,1,BLACKHOLE_BQ,const,EF_,0,0);
 156 STGFUN(BLACKHOLE_BQ_entry)
 157 {
 158   FB_
 159     TICK_ENT_BH();
 160
 161     /* Put ourselves on the blocking queue for this black hole */
 162     CurrentTSO->link = ((StgBlockingQueue *)R1.p)->blocking_queue;
 163     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 164
 165     /* stg_gen_block is too heavyweight, use a specialised one */
 166     BLOCK_NP(1);
 167   FE_
 168 }
 169
 170 /* identical to BLACKHOLEs except for the infotag */
 171 INFO_TABLE(CAF_BLACKHOLE_info, CAF_BLACKHOLE_entry,0,2,CAF_BLACKHOLE,const,EF_,0,0);
 172 STGFUN(CAF_BLACKHOLE_entry)
 173 {
 174   FB_
 175     TICK_ENT_BH();
 176
 177     /* Change the BLACKHOLE into a BLACKHOLE_BQ */
 178     ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info;
 179     /* Put ourselves on the blocking queue for this black hole */
 180     CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure;
 181     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 182     recordMutable((StgMutClosure *)R1.cl);
 183
 184     /* stg_gen_block is too heavyweight, use a specialised one */
 185     BLOCK_NP(1);
 186   FE_
 187 }
 188
 189 /* -----------------------------------------------------------------------------
 190    The code for a BCO returns to the scheduler
 191    -------------------------------------------------------------------------- */
 192 INFO_TABLE(BCO_info,BCO_entry,0,0,BCO,const,EF_,0,0);
 193 EF_(BCO_entry) {
 194   FB_
 195     Sp -= 1;
 196     Sp[0] = R1.w;
 197     JMP_(stg_yield_to_Hugs);
 198   FE_
 199 }
 200
 201 /* -----------------------------------------------------------------------------
 202    Some static info tables for things that don't get entered, and
 203    therefore don't need entry code (i.e. boxed but unpointed objects)
 204    -------------------------------------------------------------------------- */
 205
 206 #define NON_ENTERABLE_ENTRY_CODE(type)                                  \
 207 STGFUN(type##_entry)                                                    \
 208 {                                                                       \
 209   FB_                                                                   \
 210     STGCALL1(fflush,stdout);                                            \
 211     STGCALL2(fprintf,stderr,#type " object entered!\n");                \
 212     STGCALL1(raiseError, errorHandler);                                 \
 213     stg_exit(EXIT_FAILURE); /* not executed */                          \
 214   FE_                                                                   \
 215 }
 216
 217 INFO_TABLE(TSO_info, TSO_entry, 0,0,TSO,const,EF_,0,0);
 218 NON_ENTERABLE_ENTRY_CODE(TSO);
 219
 220 /* -----------------------------------------------------------------------------
 221    Evacuees are left behind by the garbage collector.  Any attempt to enter
 222    one is a real bug.
 223    -------------------------------------------------------------------------- */
 224
 225 INFO_TABLE(EVACUATED_info,EVACUATED_entry,1,0,EVACUATED,const,EF_,0,0);
 226 NON_ENTERABLE_ENTRY_CODE(EVACUATED);
 227
 228 /* -----------------------------------------------------------------------------
 229    Weak pointers
 230
 231    Live weak pointers have a special closure type.  Dead ones are just
 232    nullary constructors (although they live on the heap - we overwrite
 233    live weak pointers with dead ones).
 234    -------------------------------------------------------------------------- */
 235
 236 INFO_TABLE(WEAK_info,WEAK_entry,0,4,WEAK,const,EF_,0,0);
 237 NON_ENTERABLE_ENTRY_CODE(WEAK);
 238
 239 INFO_TABLE_CONSTR(DEAD_WEAK_info,DEAD_WEAK_entry,0,1,0,CONSTR,const,EF_,0,0);
 240 NON_ENTERABLE_ENTRY_CODE(DEAD_WEAK);
 241
 242 /* -----------------------------------------------------------------------------
 243    NO_FINALIZER
 244
 245    This is a static nullary constructor (like []) that we use to mark an empty
 246    finalizer in a weak pointer object.
 247    -------------------------------------------------------------------------- */
 248
 249 INFO_TABLE_CONSTR(NO_FINALIZER_info,NO_FINALIZER_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 250 NON_ENTERABLE_ENTRY_CODE(NO_FINALIZER);
 251
 252 SET_STATIC_HDR(NO_FINALIZER_closure,NO_FINALIZER_info,0/*CC*/,,EI_)
 253 };
 254
 255 /* -----------------------------------------------------------------------------
 256    Foreign Objects are unlifted and therefore never entered.
 257    -------------------------------------------------------------------------- */
 258
 259 INFO_TABLE(FOREIGN_info,FOREIGN_entry,0,1,FOREIGN,const,EF_,0,0);
 260 NON_ENTERABLE_ENTRY_CODE(FOREIGN);
 261
 262 /* -----------------------------------------------------------------------------
 263    Stable Names are unlifted too.
 264    -------------------------------------------------------------------------- */
 265
 266 INFO_TABLE(STABLE_NAME_info,STABLE_NAME_entry,0,1,STABLE_NAME,const,EF_,0,0);
 267 NON_ENTERABLE_ENTRY_CODE(STABLE_NAME);
 268
 269 /* -----------------------------------------------------------------------------
 270    MVars
 271
 272    There are two kinds of these: full and empty.  We need an info table
 273    and entry code for each type.
 274    -------------------------------------------------------------------------- */
 275
 276 INFO_TABLE(FULL_MVAR_info,FULL_MVAR_entry,4,0,MVAR,const,EF_,0,0);
 277 NON_ENTERABLE_ENTRY_CODE(FULL_MVAR);
 278
 279 INFO_TABLE(EMPTY_MVAR_info,EMPTY_MVAR_entry,4,0,MVAR,const,EF_,0,0);
 280 NON_ENTERABLE_ENTRY_CODE(EMPTY_MVAR);
 281
 282 /* -----------------------------------------------------------------------------
 283    END_TSO_QUEUE
 284
 285    This is a static nullary constructor (like []) that we use to mark the
 286    end of a linked TSO queue.
 287    -------------------------------------------------------------------------- */
 288
 289 INFO_TABLE_CONSTR(END_TSO_QUEUE_info,END_TSO_QUEUE_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 290 NON_ENTERABLE_ENTRY_CODE(END_TSO_QUEUE);
 291
 292 SET_STATIC_HDR(END_TSO_QUEUE_closure,END_TSO_QUEUE_info,0/*CC*/,,EI_)
 293 };
 294
 295 /* -----------------------------------------------------------------------------
 296    Mutable lists
 297
 298    Mutable lists (used by the garbage collector) consist of a chain of
 299    StgMutClosures connected through their mut_link fields, ending in
 300    an END_MUT_LIST closure.
 301    -------------------------------------------------------------------------- */
 302
 303 INFO_TABLE_CONSTR(END_MUT_LIST_info,END_MUT_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 304 NON_ENTERABLE_ENTRY_CODE(END_MUT_LIST);
 305
 306 SET_STATIC_HDR(END_MUT_LIST_closure,END_MUT_LIST_info,0/*CC*/,,EI_)
 307 };
 308
 309 INFO_TABLE(MUT_CONS_info, MUT_CONS_entry, 1, 1, MUT_VAR, const, EF_, 0, 0);
 310 NON_ENTERABLE_ENTRY_CODE(MUT_CONS);
 311
 312 /* -----------------------------------------------------------------------------
 313    Arrays
 314
 315    These come in two basic flavours: arrays of data (StgArrWords) and arrays of
 316    pointers (StgArrPtrs).  They all have a similar layout:
 317
 318         ___________________________
 319         | Info | No. of | data....
 320         |  Ptr | Words  |
 321         ---------------------------
 322
 323    These are *unpointed* objects: i.e. they cannot be entered.
 324
 325    -------------------------------------------------------------------------- */
 326
 327 #define ArrayInfo(type)                                                 \
 328 INFO_TABLE(type##_info, type##_entry, 0, 0, type, const, EF_,0,0);      \
 329 NON_ENTERABLE_ENTRY_CODE(type);
 330
 331 ArrayInfo(ARR_WORDS);
 332 ArrayInfo(MUT_ARR_PTRS);
 333 ArrayInfo(MUT_ARR_PTRS_FROZEN);
 334
 335 #undef ArrayInfo
 336
 337 /* -----------------------------------------------------------------------------
 338    Mutable Variables
 339    -------------------------------------------------------------------------- */
 340
 341 INFO_TABLE(MUT_VAR_info, MUT_VAR_entry, 1, 1, MUT_VAR, const, EF_, 0, 0);
 342 NON_ENTERABLE_ENTRY_CODE(MUT_VAR);
 343
 344 /* -----------------------------------------------------------------------------
 345    Standard Error Entry.
 346
 347    This is used for filling in vector-table entries that can never happen,
 348    for instance.
 349    -------------------------------------------------------------------------- */
 350
 351 STGFUN(stg_error_entry)                                                 \
 352 {                                                                       \
 353   FB_                                                                   \
 354     STGCALL1(fflush,stdout);                                            \
 355     STGCALL2(fprintf,stderr,"fatal: stg_error_entry");                  \
 356     STGCALL1(raiseError, errorHandler);                                 \
 357     exit(EXIT_FAILURE); /* not executed */                              \
 358   FE_                                                                   \
 359 }
 360
 361 /* -----------------------------------------------------------------------------
 362    Dummy return closure
 363
 364    Entering this closure will just return to the address on the top of the
 365    stack.  Useful for getting a thread in a canonical form where we can
 366    just enter the top stack word to start the thread.  (see deleteThread)
 367  * -------------------------------------------------------------------------- */
 368
 369 INFO_TABLE(dummy_ret_info, dummy_ret_entry, 0, 0, CONSTR_NOCAF_STATIC, const, EF_, 0, 0);
 370 FN_(dummy_ret_entry)
 371 {
 372   W_ ret_addr;
 373   FB_
 374   ret_addr = Sp[0];
 375   Sp++;
 376   JMP_(ENTRY_CODE(ret_addr));
 377   FE_
 378 }
 379 SET_STATIC_HDR(dummy_ret_closure,dummy_ret_info,CCS_DONTZuCARE,,EI_)
 380 };
 381
 382 /* -----------------------------------------------------------------------------
 383    Standard Infotables (for use in interpreter)
 384    -------------------------------------------------------------------------- */
 385
 386 #ifdef INTERPRETER
 387
 388 STGFUN(Hugs_CONSTR_entry)
 389 {
 390     Sp -= 1;
 391     ((StgPtr*)Sp)[0] = R1.p;
 392     /* vectored: JMP_(RET_VEC(((StgPtr*)Sp)[1],constrTag(?))); */
 393     JMP_(ENTRY_CODE(((StgPtr*)Sp)[1]));
 394 }
 395
 396 #define RET_BCO_ENTRY_TEMPLATE(label)   \
 397    IFN_(label)                          \
 398    {                                    \
 399       FB_                               \
 400       Sp -= 1;                          \
 401       ((StgPtr*)Sp)[0] = R1.p;          \
 402       JMP_(stg_yield_to_Hugs);          \
 403       FE_                               \
 404    }
 405
 406 RET_BCO_ENTRY_TEMPLATE(ret_bco_entry  );
 407 RET_BCO_ENTRY_TEMPLATE(ret_bco_0_entry);
 408 RET_BCO_ENTRY_TEMPLATE(ret_bco_1_entry);
 409 RET_BCO_ENTRY_TEMPLATE(ret_bco_2_entry);
 410 RET_BCO_ENTRY_TEMPLATE(ret_bco_3_entry);
 411 RET_BCO_ENTRY_TEMPLATE(ret_bco_4_entry);
 412 RET_BCO_ENTRY_TEMPLATE(ret_bco_5_entry);
 413 RET_BCO_ENTRY_TEMPLATE(ret_bco_6_entry);
 414 RET_BCO_ENTRY_TEMPLATE(ret_bco_7_entry);
 415
 416 VEC_POLY_INFO_TABLE(ret_bco,0, NULL/*srt*/, 0/*srt_off*/, 0/*srt_len*/, RET_BCO);
 417
 418 #endif /* INTERPRETER */
 419
 420 #ifndef COMPILER
 421
 422 INFO_TABLE_CONSTR(Czh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR,const,EF_,0,0);
 423 INFO_TABLE_CONSTR(Izh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR,const,EF_,0,0);
 424 INFO_TABLE_CONSTR(I64zh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR,const,EF_,0,0);
 425 INFO_TABLE_CONSTR(Fzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR,const,EF_,0,0);
 426 INFO_TABLE_CONSTR(Dzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR,const,EF_,0,0);
 427 INFO_TABLE_CONSTR(Azh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR,const,EF_,0,0);
 428 INFO_TABLE_CONSTR(Wzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR,const,EF_,0,0);
 429 INFO_TABLE_CONSTR(StablePtr_con_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR,const,EF_,0,0);
 430
 431 /* These might seem redundant but {I,C}zh_static_info are used in
 432  * {INT,CHAR}LIKE and the rest are used in RtsAPI.c
 433  */
 434 INFO_TABLE_CONSTR(Czh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 435 INFO_TABLE_CONSTR(Izh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 436 INFO_TABLE_CONSTR(I64zh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 437 INFO_TABLE_CONSTR(Fzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 438 INFO_TABLE_CONSTR(Dzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 439 INFO_TABLE_CONSTR(Azh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 440 INFO_TABLE_CONSTR(Wzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 441 INFO_TABLE_CONSTR(StablePtr_static_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 442
 443 #endif /* !defined(COMPILER) */
 444
 445 /* -----------------------------------------------------------------------------
 446    CHARLIKE and INTLIKE closures.
 447
 448    These are static representations of Chars and small Ints, so that
 449    we can remove dynamic Chars and Ints during garbage collection and
 450    replace them with references to the static objects.
 451    -------------------------------------------------------------------------- */
 452
 453 #define CHARLIKE_HDR(n)                                         \
 454         {                                                       \
 455           STATIC_HDR(Czh_static_info, /* C# */                  \
 456                          CCS_DONTZuCARE),                       \
 457           data : n                                              \
 458         }
 459
 460 #define INTLIKE_HDR(n)                                          \
 461         {                                                       \
 462           STATIC_HDR(Izh_static_info,  /* I# */                 \
 463                          CCS_DONTZuCARE),                       \
 464           data : n                                              \
 465         }
 466
 467 /* put these in the *data* section, since the garbage collector relies
 468  * on the fact that static closures live in the data section.
 469  */
 470
 471 /* end the name with _closure, to convince the mangler this is a closure */
 472
 473 StgIntCharlikeClosure CHARLIKE_closure[] = {
 474     CHARLIKE_HDR(0),
 475     CHARLIKE_HDR(1),
 476     CHARLIKE_HDR(2),
 477     CHARLIKE_HDR(3),
 478     CHARLIKE_HDR(4),
 479     CHARLIKE_HDR(5),
 480     CHARLIKE_HDR(6),
 481     CHARLIKE_HDR(7),
 482     CHARLIKE_HDR(8),
 483     CHARLIKE_HDR(9),
 484     CHARLIKE_HDR(10),
 485     CHARLIKE_HDR(11),
 486     CHARLIKE_HDR(12),
 487     CHARLIKE_HDR(13),
 488     CHARLIKE_HDR(14),
 489     CHARLIKE_HDR(15),
 490     CHARLIKE_HDR(16),
 491     CHARLIKE_HDR(17),
 492     CHARLIKE_HDR(18),
 493     CHARLIKE_HDR(19),
 494     CHARLIKE_HDR(20),
 495     CHARLIKE_HDR(21),
 496     CHARLIKE_HDR(22),
 497     CHARLIKE_HDR(23),
 498     CHARLIKE_HDR(24),
 499     CHARLIKE_HDR(25),
 500     CHARLIKE_HDR(26),
 501     CHARLIKE_HDR(27),
 502     CHARLIKE_HDR(28),
 503     CHARLIKE_HDR(29),
 504     CHARLIKE_HDR(30),
 505     CHARLIKE_HDR(31),
 506     CHARLIKE_HDR(32),
 507     CHARLIKE_HDR(33),
 508     CHARLIKE_HDR(34),
 509     CHARLIKE_HDR(35),
 510     CHARLIKE_HDR(36),
 511     CHARLIKE_HDR(37),
 512     CHARLIKE_HDR(38),
 513     CHARLIKE_HDR(39),
 514     CHARLIKE_HDR(40),
 515     CHARLIKE_HDR(41),
 516     CHARLIKE_HDR(42),
 517     CHARLIKE_HDR(43),
 518     CHARLIKE_HDR(44),
 519     CHARLIKE_HDR(45),
 520     CHARLIKE_HDR(46),
 521     CHARLIKE_HDR(47),
 522     CHARLIKE_HDR(48),
 523     CHARLIKE_HDR(49),
 524     CHARLIKE_HDR(50),
 525     CHARLIKE_HDR(51),
 526     CHARLIKE_HDR(52),
 527     CHARLIKE_HDR(53),
 528     CHARLIKE_HDR(54),
 529     CHARLIKE_HDR(55),
 530     CHARLIKE_HDR(56),
 531     CHARLIKE_HDR(57),
 532     CHARLIKE_HDR(58),
 533     CHARLIKE_HDR(59),
 534     CHARLIKE_HDR(60),
 535     CHARLIKE_HDR(61),
 536     CHARLIKE_HDR(62),
 537     CHARLIKE_HDR(63),
 538     CHARLIKE_HDR(64),
 539     CHARLIKE_HDR(65),
 540     CHARLIKE_HDR(66),
 541     CHARLIKE_HDR(67),
 542     CHARLIKE_HDR(68),
 543     CHARLIKE_HDR(69),
 544     CHARLIKE_HDR(70),
 545     CHARLIKE_HDR(71),
 546     CHARLIKE_HDR(72),
 547     CHARLIKE_HDR(73),
 548     CHARLIKE_HDR(74),
 549     CHARLIKE_HDR(75),
 550     CHARLIKE_HDR(76),
 551     CHARLIKE_HDR(77),
 552     CHARLIKE_HDR(78),
 553     CHARLIKE_HDR(79),
 554     CHARLIKE_HDR(80),
 555     CHARLIKE_HDR(81),
 556     CHARLIKE_HDR(82),
 557     CHARLIKE_HDR(83),
 558     CHARLIKE_HDR(84),
 559     CHARLIKE_HDR(85),
 560     CHARLIKE_HDR(86),
 561     CHARLIKE_HDR(87),
 562     CHARLIKE_HDR(88),
 563     CHARLIKE_HDR(89),
 564     CHARLIKE_HDR(90),
 565     CHARLIKE_HDR(91),
 566     CHARLIKE_HDR(92),
 567     CHARLIKE_HDR(93),
 568     CHARLIKE_HDR(94),
 569     CHARLIKE_HDR(95),
 570     CHARLIKE_HDR(96),
 571     CHARLIKE_HDR(97),
 572     CHARLIKE_HDR(98),
 573     CHARLIKE_HDR(99),
 574     CHARLIKE_HDR(100),
 575     CHARLIKE_HDR(101),
 576     CHARLIKE_HDR(102),
 577     CHARLIKE_HDR(103),
 578     CHARLIKE_HDR(104),
 579     CHARLIKE_HDR(105),
 580     CHARLIKE_HDR(106),
 581     CHARLIKE_HDR(107),
 582     CHARLIKE_HDR(108),
 583     CHARLIKE_HDR(109),
 584     CHARLIKE_HDR(110),
 585     CHARLIKE_HDR(111),
 586     CHARLIKE_HDR(112),
 587     CHARLIKE_HDR(113),
 588     CHARLIKE_HDR(114),
 589     CHARLIKE_HDR(115),
 590     CHARLIKE_HDR(116),
 591     CHARLIKE_HDR(117),
 592     CHARLIKE_HDR(118),
 593     CHARLIKE_HDR(119),
 594     CHARLIKE_HDR(120),
 595     CHARLIKE_HDR(121),
 596     CHARLIKE_HDR(122),
 597     CHARLIKE_HDR(123),
 598     CHARLIKE_HDR(124),
 599     CHARLIKE_HDR(125),
 600     CHARLIKE_HDR(126),
 601     CHARLIKE_HDR(127),
 602     CHARLIKE_HDR(128),
 603     CHARLIKE_HDR(129),
 604     CHARLIKE_HDR(130),
 605     CHARLIKE_HDR(131),
 606     CHARLIKE_HDR(132),
 607     CHARLIKE_HDR(133),
 608     CHARLIKE_HDR(134),
 609     CHARLIKE_HDR(135),
 610     CHARLIKE_HDR(136),
 611     CHARLIKE_HDR(137),
 612     CHARLIKE_HDR(138),
 613     CHARLIKE_HDR(139),
 614     CHARLIKE_HDR(140),
 615     CHARLIKE_HDR(141),
 616     CHARLIKE_HDR(142),
 617     CHARLIKE_HDR(143),
 618     CHARLIKE_HDR(144),
 619     CHARLIKE_HDR(145),
 620     CHARLIKE_HDR(146),
 621     CHARLIKE_HDR(147),
 622     CHARLIKE_HDR(148),
 623     CHARLIKE_HDR(149),
 624     CHARLIKE_HDR(150),
 625     CHARLIKE_HDR(151),
 626     CHARLIKE_HDR(152),
 627     CHARLIKE_HDR(153),
 628     CHARLIKE_HDR(154),
 629     CHARLIKE_HDR(155),
 630     CHARLIKE_HDR(156),
 631     CHARLIKE_HDR(157),
 632     CHARLIKE_HDR(158),
 633     CHARLIKE_HDR(159),
 634     CHARLIKE_HDR(160),
 635     CHARLIKE_HDR(161),
 636     CHARLIKE_HDR(162),
 637     CHARLIKE_HDR(163),
 638     CHARLIKE_HDR(164),
 639     CHARLIKE_HDR(165),
 640     CHARLIKE_HDR(166),
 641     CHARLIKE_HDR(167),
 642     CHARLIKE_HDR(168),
 643     CHARLIKE_HDR(169),
 644     CHARLIKE_HDR(170),
 645     CHARLIKE_HDR(171),
 646     CHARLIKE_HDR(172),
 647     CHARLIKE_HDR(173),
 648     CHARLIKE_HDR(174),
 649     CHARLIKE_HDR(175),
 650     CHARLIKE_HDR(176),
 651     CHARLIKE_HDR(177),
 652     CHARLIKE_HDR(178),
 653     CHARLIKE_HDR(179),
 654     CHARLIKE_HDR(180),
 655     CHARLIKE_HDR(181),
 656     CHARLIKE_HDR(182),
 657     CHARLIKE_HDR(183),
 658     CHARLIKE_HDR(184),
 659     CHARLIKE_HDR(185),
 660     CHARLIKE_HDR(186),
 661     CHARLIKE_HDR(187),
 662     CHARLIKE_HDR(188),
 663     CHARLIKE_HDR(189),
 664     CHARLIKE_HDR(190),
 665     CHARLIKE_HDR(191),
 666     CHARLIKE_HDR(192),
 667     CHARLIKE_HDR(193),
 668     CHARLIKE_HDR(194),
 669     CHARLIKE_HDR(195),
 670     CHARLIKE_HDR(196),
 671     CHARLIKE_HDR(197),
 672     CHARLIKE_HDR(198),
 673     CHARLIKE_HDR(199),
 674     CHARLIKE_HDR(200),
 675     CHARLIKE_HDR(201),
 676     CHARLIKE_HDR(202),
 677     CHARLIKE_HDR(203),
 678     CHARLIKE_HDR(204),
 679     CHARLIKE_HDR(205),
 680     CHARLIKE_HDR(206),
 681     CHARLIKE_HDR(207),
 682     CHARLIKE_HDR(208),
 683     CHARLIKE_HDR(209),
 684     CHARLIKE_HDR(210),
 685     CHARLIKE_HDR(211),
 686     CHARLIKE_HDR(212),
 687     CHARLIKE_HDR(213),
 688     CHARLIKE_HDR(214),
 689     CHARLIKE_HDR(215),
 690     CHARLIKE_HDR(216),
 691     CHARLIKE_HDR(217),
 692     CHARLIKE_HDR(218),
 693     CHARLIKE_HDR(219),
 694     CHARLIKE_HDR(220),
 695     CHARLIKE_HDR(221),
 696     CHARLIKE_HDR(222),
 697     CHARLIKE_HDR(223),
 698     CHARLIKE_HDR(224),
 699     CHARLIKE_HDR(225),
 700     CHARLIKE_HDR(226),
 701     CHARLIKE_HDR(227),
 702     CHARLIKE_HDR(228),
 703     CHARLIKE_HDR(229),
 704     CHARLIKE_HDR(230),
 705     CHARLIKE_HDR(231),
 706     CHARLIKE_HDR(232),
 707     CHARLIKE_HDR(233),
 708     CHARLIKE_HDR(234),
 709     CHARLIKE_HDR(235),
 710     CHARLIKE_HDR(236),
 711     CHARLIKE_HDR(237),
 712     CHARLIKE_HDR(238),
 713     CHARLIKE_HDR(239),
 714     CHARLIKE_HDR(240),
 715     CHARLIKE_HDR(241),
 716     CHARLIKE_HDR(242),
 717     CHARLIKE_HDR(243),
 718     CHARLIKE_HDR(244),
 719     CHARLIKE_HDR(245),
 720     CHARLIKE_HDR(246),
 721     CHARLIKE_HDR(247),
 722     CHARLIKE_HDR(248),
 723     CHARLIKE_HDR(249),
 724     CHARLIKE_HDR(250),
 725     CHARLIKE_HDR(251),
 726     CHARLIKE_HDR(252),
 727     CHARLIKE_HDR(253),
 728     CHARLIKE_HDR(254),
 729     CHARLIKE_HDR(255)
 730 };
 731
 732 StgIntCharlikeClosure INTLIKE_closure[] = {
 733     INTLIKE_HDR(-16),   /* MIN_INTLIKE == -16 */
 734     INTLIKE_HDR(-15),
 735     INTLIKE_HDR(-14),
 736     INTLIKE_HDR(-13),
 737     INTLIKE_HDR(-12),
 738     INTLIKE_HDR(-11),
 739     INTLIKE_HDR(-10),
 740     INTLIKE_HDR(-9),
 741     INTLIKE_HDR(-8),
 742     INTLIKE_HDR(-7),
 743     INTLIKE_HDR(-6),
 744     INTLIKE_HDR(-5),
 745     INTLIKE_HDR(-4),
 746     INTLIKE_HDR(-3),
 747     INTLIKE_HDR(-2),
 748     INTLIKE_HDR(-1),
 749     INTLIKE_HDR(0),
 750     INTLIKE_HDR(1),
 751     INTLIKE_HDR(2),
 752     INTLIKE_HDR(3),
 753     INTLIKE_HDR(4),
 754     INTLIKE_HDR(5),
 755     INTLIKE_HDR(6),
 756     INTLIKE_HDR(7),
 757     INTLIKE_HDR(8),
 758     INTLIKE_HDR(9),
 759     INTLIKE_HDR(10),
 760     INTLIKE_HDR(11),
 761     INTLIKE_HDR(12),
 762     INTLIKE_HDR(13),
 763     INTLIKE_HDR(14),
 764     INTLIKE_HDR(15),
 765     INTLIKE_HDR(16)     /* MAX_INTLIKE == 16 */
 766 };