ghc/rts/StgMiscClosures.hc

   1 /* -----------------------------------------------------------------------------
   2  * $Id: StgMiscClosures.hc,v 1.6 1999/01/18 15:21:39 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     TICK_ENT_CAF_ENTERED(Node); /* tick */
 115
 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     /* 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     ((StgBlockingQueue *)R1.p)->mut_link = NULL;
 147     recordMutable((StgMutClosure *)R1.cl);
 148
 149     /* stg_gen_block is too heavyweight, use a specialised one */
 150     BLOCK_NP(1);
 151   FE_
 152 }
 153
 154 INFO_TABLE(BLACKHOLE_BQ_info, BLACKHOLE_BQ_entry,1,1,BLACKHOLE_BQ,const,EF_,0,0);
 155 STGFUN(BLACKHOLE_BQ_entry)
 156 {
 157   FB_
 158     /* Put ourselves on the blocking queue for this black hole */
 159     CurrentTSO->link = ((StgBlockingQueue *)R1.p)->blocking_queue;
 160     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 161
 162     /* stg_gen_block is too heavyweight, use a specialised one */
 163     BLOCK_NP(1);
 164   FE_
 165 }
 166
 167 /* identical to BLACKHOLEs except for the infotag */
 168 INFO_TABLE(CAF_BLACKHOLE_info, CAF_BLACKHOLE_entry,0,2,CAF_BLACKHOLE,const,EF_,0,0);
 169 STGFUN(CAF_BLACKHOLE_entry)
 170 {
 171   FB_
 172     /* Change the BLACKHOLE into a BLACKHOLE_BQ */
 173     ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info;
 174     /* Put ourselves on the blocking queue for this black hole */
 175     CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure;
 176     ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO;
 177     ((StgBlockingQueue *)R1.p)->mut_link = NULL;
 178     recordMutable((StgMutClosure *)R1.cl);
 179
 180     /* stg_gen_block is too heavyweight, use a specialised one */
 181     BLOCK_NP(1);
 182   FE_
 183 }
 184
 185 /* -----------------------------------------------------------------------------
 186    The code for a BCO returns to the scheduler
 187    -------------------------------------------------------------------------- */
 188 INFO_TABLE(BCO_info,BCO_entry,0,0,BCO,const,EF_,0,0);
 189 EF_(BCO_entry) {
 190   FB_
 191     Sp -= 1;
 192     Sp[0] = R1.w;
 193     JMP_(stg_yield_to_Hugs);
 194   FE_
 195 }
 196
 197 /* -----------------------------------------------------------------------------
 198    Some static info tables for things that don't get entered, and
 199    therefore don't need entry code (i.e. boxed but unpointed objects)
 200    -------------------------------------------------------------------------- */
 201
 202 #define NON_ENTERABLE_ENTRY_CODE(type)                                  \
 203 STGFUN(type##_entry)                                                    \
 204 {                                                                       \
 205   FB_                                                                   \
 206     STGCALL1(fflush,stdout);                                            \
 207     STGCALL2(fprintf,stderr,#type " object entered!\n");                \
 208     STGCALL1(raiseError, errorHandler);                                 \
 209     stg_exit(EXIT_FAILURE); /* not executed */                          \
 210   FE_                                                                   \
 211 }
 212
 213 INFO_TABLE(TSO_info, TSO_entry, 0,0,TSO,const,EF_,0,0);
 214 NON_ENTERABLE_ENTRY_CODE(TSO);
 215
 216 /* -----------------------------------------------------------------------------
 217    Evacuees are left behind by the garbage collector.  Any attempt to enter
 218    one is a real bug.
 219    -------------------------------------------------------------------------- */
 220
 221 INFO_TABLE(EVACUATED_info,EVACUATED_entry,1,0,EVACUATED,const,EF_,0,0);
 222 NON_ENTERABLE_ENTRY_CODE(EVACUATED);
 223
 224 /* -----------------------------------------------------------------------------
 225    Weak pointers
 226
 227    Live weak pointers have a special closure type.  Dead ones are just
 228    nullary constructors (although they live on the heap - we overwrite
 229    live weak pointers with dead ones).
 230    -------------------------------------------------------------------------- */
 231
 232 INFO_TABLE(WEAK_info,WEAK_entry,0,4,WEAK,const,EF_,0,0);
 233 NON_ENTERABLE_ENTRY_CODE(WEAK);
 234
 235 INFO_TABLE_CONSTR(DEAD_WEAK_info,DEAD_WEAK_entry,0,1,0,CONSTR,const,EF_,0,0);
 236 NON_ENTERABLE_ENTRY_CODE(DEAD_WEAK);
 237
 238 /* -----------------------------------------------------------------------------
 239    Foreign Objects are unlifted and therefore never entered.
 240    -------------------------------------------------------------------------- */
 241
 242 INFO_TABLE(FOREIGN_info,FOREIGN_entry,0,1,FOREIGN,const,EF_,0,0);
 243 NON_ENTERABLE_ENTRY_CODE(FOREIGN);
 244
 245 /* -----------------------------------------------------------------------------
 246    MVars
 247
 248    There are two kinds of these: full and empty.  We need an info table
 249    and entry code for each type.
 250    -------------------------------------------------------------------------- */
 251
 252 INFO_TABLE(FULL_MVAR_info,FULL_MVAR_entry,4,0,MVAR,const,EF_,0,0);
 253 NON_ENTERABLE_ENTRY_CODE(FULL_MVAR);
 254
 255 INFO_TABLE(EMPTY_MVAR_info,EMPTY_MVAR_entry,4,0,MVAR,const,EF_,0,0);
 256 NON_ENTERABLE_ENTRY_CODE(EMPTY_MVAR);
 257
 258 /* -----------------------------------------------------------------------------
 259    END_TSO_QUEUE
 260
 261    This is a static nullary constructor (like []) that we use to mark the
 262    end of a linked TSO queue.
 263    -------------------------------------------------------------------------- */
 264
 265 INFO_TABLE_CONSTR(END_TSO_QUEUE_info,END_TSO_QUEUE_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 266 NON_ENTERABLE_ENTRY_CODE(END_TSO_QUEUE);
 267
 268 SET_STATIC_HDR(END_TSO_QUEUE_closure,END_TSO_QUEUE_info,0/*CC*/,,EI_)
 269 };
 270
 271 /* -----------------------------------------------------------------------------
 272    Mutable lists
 273
 274    Mutable lists (used by the garbage collector) consist of a chain of
 275    StgMutClosures connected through their mut_link fields, ending in
 276    an END_MUT_LIST closure.
 277    -------------------------------------------------------------------------- */
 278
 279 INFO_TABLE_CONSTR(END_MUT_LIST_info,END_MUT_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 280 NON_ENTERABLE_ENTRY_CODE(END_MUT_LIST);
 281
 282 SET_STATIC_HDR(END_MUT_LIST_closure,END_MUT_LIST_info,0/*CC*/,,EI_)
 283 };
 284
 285 INFO_TABLE(MUT_CONS_info, MUT_CONS_entry, 1, 1, MUT_VAR, const, EF_, 0, 0);
 286 NON_ENTERABLE_ENTRY_CODE(MUT_CONS);
 287
 288 /* -----------------------------------------------------------------------------
 289    Arrays
 290
 291    These come in two basic flavours: arrays of data (StgArrWords) and arrays of
 292    pointers (StgArrPtrs).  They all have a similar layout:
 293
 294         ___________________________
 295         | Info | No. of | data....
 296         |  Ptr | Words  |
 297         ---------------------------
 298
 299    These are *unpointed* objects: i.e. they cannot be entered.
 300
 301    -------------------------------------------------------------------------- */
 302
 303 #define ArrayInfo(type)                                                 \
 304 INFO_TABLE(type##_info, type##_entry, 0, 0, type, const, EF_,0,0);      \
 305 NON_ENTERABLE_ENTRY_CODE(type);
 306
 307 ArrayInfo(ARR_WORDS);
 308 ArrayInfo(MUT_ARR_WORDS);
 309 ArrayInfo(MUT_ARR_PTRS);
 310 ArrayInfo(MUT_ARR_PTRS_FROZEN);
 311
 312 #undef ArrayInfo
 313
 314 /* -----------------------------------------------------------------------------
 315    Mutable Variables
 316    -------------------------------------------------------------------------- */
 317
 318 INFO_TABLE(MUT_VAR_info, MUT_VAR_entry, 1, 1, MUT_VAR, const, EF_, 0, 0);
 319 NON_ENTERABLE_ENTRY_CODE(MUT_VAR);
 320
 321 /* -----------------------------------------------------------------------------
 322    Standard Error Entry.
 323
 324    This is used for filling in vector-table entries that can never happen,
 325    for instance.
 326    -------------------------------------------------------------------------- */
 327
 328 STGFUN(stg_error_entry)                                                 \
 329 {                                                                       \
 330   FB_                                                                   \
 331     STGCALL1(fflush,stdout);                                            \
 332     STGCALL2(fprintf,stderr,"fatal: stg_error_entry");                  \
 333     STGCALL1(raiseError, errorHandler);                                 \
 334     exit(EXIT_FAILURE); /* not executed */                              \
 335   FE_                                                                   \
 336 }
 337
 338 /* -----------------------------------------------------------------------------
 339    Dummy return closure
 340
 341    Entering this closure will just return to the address on the top of the
 342    stack.  Useful for getting a thread in a canonical form where we can
 343    just enter the top stack word to start the thread.  (see deleteThread)
 344  * -------------------------------------------------------------------------- */
 345
 346 INFO_TABLE(dummy_ret_info, dummy_ret_entry, 0, 0, CONSTR_NOCAF_STATIC, const, EF_, 0, 0);
 347 FN_(dummy_ret_entry)
 348 {
 349   W_ ret_addr;
 350   FB_
 351   ret_addr = Sp[0];
 352   Sp++;
 353   JMP_(ENTRY_CODE(ret_addr));
 354   FE_
 355 }
 356 SET_STATIC_HDR(dummy_ret_closure,dummy_ret_info,CCS_DONTZuCARE,,EI_)
 357 };
 358
 359 /* -----------------------------------------------------------------------------
 360    Standard Infotables (for use in interpreter)
 361    -------------------------------------------------------------------------- */
 362
 363 #ifdef INTERPRETER
 364
 365 STGFUN(Hugs_CONSTR_entry)
 366 {
 367     Sp -= 1;
 368     ((StgPtr*)Sp)[0] = R1.p;
 369     /* vectored: JMP_(RET_VEC(((StgPtr*)Sp)[1],constrTag(?))); */
 370     JMP_(ENTRY_CODE(((StgPtr*)Sp)[1]));
 371 }
 372
 373 #define RET_BCO_ENTRY_TEMPLATE(label)   \
 374    IFN_(label)                          \
 375    {                                    \
 376       FB_                               \
 377       Sp -= 1;                          \
 378       ((StgPtr*)Sp)[0] = R1.p;          \
 379       JMP_(stg_yield_to_Hugs);          \
 380       FE_                               \
 381    }
 382
 383 RET_BCO_ENTRY_TEMPLATE(ret_bco_entry  );
 384 RET_BCO_ENTRY_TEMPLATE(ret_bco_0_entry);
 385 RET_BCO_ENTRY_TEMPLATE(ret_bco_1_entry);
 386 RET_BCO_ENTRY_TEMPLATE(ret_bco_2_entry);
 387 RET_BCO_ENTRY_TEMPLATE(ret_bco_3_entry);
 388 RET_BCO_ENTRY_TEMPLATE(ret_bco_4_entry);
 389 RET_BCO_ENTRY_TEMPLATE(ret_bco_5_entry);
 390 RET_BCO_ENTRY_TEMPLATE(ret_bco_6_entry);
 391 RET_BCO_ENTRY_TEMPLATE(ret_bco_7_entry);
 392
 393 VEC_POLY_INFO_TABLE(ret_bco,0, NULL/*srt*/, 0/*srt_off*/, 0/*srt_len*/, RET_BCO);
 394
 395 #endif /* INTERPRETER */
 396
 397 #ifndef COMPILER
 398
 399 INFO_TABLE_CONSTR(CZh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR,const,EF_,0,0);
 400 INFO_TABLE_CONSTR(IZh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR,const,EF_,0,0);
 401 INFO_TABLE_CONSTR(I64Zh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR,const,EF_,0,0);
 402 INFO_TABLE_CONSTR(FZh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR,const,EF_,0,0);
 403 INFO_TABLE_CONSTR(DZh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR,const,EF_,0,0);
 404 INFO_TABLE_CONSTR(AZh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR,const,EF_,0,0);
 405 INFO_TABLE_CONSTR(WZh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR,const,EF_,0,0);
 406 INFO_TABLE_CONSTR(StablePtr_con_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR,const,EF_,0,0);
 407
 408 /* These might seem redundant but {I,C}Zh_static_info are used in
 409  * {INT,CHAR}LIKE and the rest are used in RtsAPI.c
 410  */
 411 INFO_TABLE_CONSTR(CZh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 412 INFO_TABLE_CONSTR(IZh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 413 INFO_TABLE_CONSTR(I64Zh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 414 INFO_TABLE_CONSTR(FZh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 415 INFO_TABLE_CONSTR(DZh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 416 INFO_TABLE_CONSTR(AZh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 417 INFO_TABLE_CONSTR(WZh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 418 INFO_TABLE_CONSTR(StablePtr_static_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR_NOCAF_STATIC,const,EF_,0,0);
 419
 420 #endif /* !defined(COMPILER) */
 421
 422 /* -----------------------------------------------------------------------------
 423    CHARLIKE and INTLIKE closures.
 424
 425    These are static representations of Chars and small Ints, so that
 426    we can remove dynamic Chars and Ints during garbage collection and
 427    replace them with references to the static objects.
 428    -------------------------------------------------------------------------- */
 429
 430 #define CHARLIKE_HDR(n)                                         \
 431         {                                                       \
 432           STATIC_HDR(CZh_static_info, /* C# */                  \
 433                          CCS_DONTZuCARE),                       \
 434           data : n                                              \
 435         }
 436
 437 #define INTLIKE_HDR(n)                                          \
 438         {                                                       \
 439           STATIC_HDR(IZh_static_info,  /* I# */                 \
 440                          CCS_DONTZuCARE),                       \
 441           data : n                                              \
 442         }
 443
 444 /* put these in the *data* section, since the garbage collector relies
 445  * on the fact that static closures live in the data section.
 446  */
 447
 448 /* end the name with _closure, to convince the mangler this is a closure */
 449
 450 StgIntCharlikeClosure CHARLIKE_closure[] = {
 451     CHARLIKE_HDR(0),
 452     CHARLIKE_HDR(1),
 453     CHARLIKE_HDR(2),
 454     CHARLIKE_HDR(3),
 455     CHARLIKE_HDR(4),
 456     CHARLIKE_HDR(5),
 457     CHARLIKE_HDR(6),
 458     CHARLIKE_HDR(7),
 459     CHARLIKE_HDR(8),
 460     CHARLIKE_HDR(9),
 461     CHARLIKE_HDR(10),
 462     CHARLIKE_HDR(11),
 463     CHARLIKE_HDR(12),
 464     CHARLIKE_HDR(13),
 465     CHARLIKE_HDR(14),
 466     CHARLIKE_HDR(15),
 467     CHARLIKE_HDR(16),
 468     CHARLIKE_HDR(17),
 469     CHARLIKE_HDR(18),
 470     CHARLIKE_HDR(19),
 471     CHARLIKE_HDR(20),
 472     CHARLIKE_HDR(21),
 473     CHARLIKE_HDR(22),
 474     CHARLIKE_HDR(23),
 475     CHARLIKE_HDR(24),
 476     CHARLIKE_HDR(25),
 477     CHARLIKE_HDR(26),
 478     CHARLIKE_HDR(27),
 479     CHARLIKE_HDR(28),
 480     CHARLIKE_HDR(29),
 481     CHARLIKE_HDR(30),
 482     CHARLIKE_HDR(31),
 483     CHARLIKE_HDR(32),
 484     CHARLIKE_HDR(33),
 485     CHARLIKE_HDR(34),
 486     CHARLIKE_HDR(35),
 487     CHARLIKE_HDR(36),
 488     CHARLIKE_HDR(37),
 489     CHARLIKE_HDR(38),
 490     CHARLIKE_HDR(39),
 491     CHARLIKE_HDR(40),
 492     CHARLIKE_HDR(41),
 493     CHARLIKE_HDR(42),
 494     CHARLIKE_HDR(43),
 495     CHARLIKE_HDR(44),
 496     CHARLIKE_HDR(45),
 497     CHARLIKE_HDR(46),
 498     CHARLIKE_HDR(47),
 499     CHARLIKE_HDR(48),
 500     CHARLIKE_HDR(49),
 501     CHARLIKE_HDR(50),
 502     CHARLIKE_HDR(51),
 503     CHARLIKE_HDR(52),
 504     CHARLIKE_HDR(53),
 505     CHARLIKE_HDR(54),
 506     CHARLIKE_HDR(55),
 507     CHARLIKE_HDR(56),
 508     CHARLIKE_HDR(57),
 509     CHARLIKE_HDR(58),
 510     CHARLIKE_HDR(59),
 511     CHARLIKE_HDR(60),
 512     CHARLIKE_HDR(61),
 513     CHARLIKE_HDR(62),
 514     CHARLIKE_HDR(63),
 515     CHARLIKE_HDR(64),
 516     CHARLIKE_HDR(65),
 517     CHARLIKE_HDR(66),
 518     CHARLIKE_HDR(67),
 519     CHARLIKE_HDR(68),
 520     CHARLIKE_HDR(69),
 521     CHARLIKE_HDR(70),
 522     CHARLIKE_HDR(71),
 523     CHARLIKE_HDR(72),
 524     CHARLIKE_HDR(73),
 525     CHARLIKE_HDR(74),
 526     CHARLIKE_HDR(75),
 527     CHARLIKE_HDR(76),
 528     CHARLIKE_HDR(77),
 529     CHARLIKE_HDR(78),
 530     CHARLIKE_HDR(79),
 531     CHARLIKE_HDR(80),
 532     CHARLIKE_HDR(81),
 533     CHARLIKE_HDR(82),
 534     CHARLIKE_HDR(83),
 535     CHARLIKE_HDR(84),
 536     CHARLIKE_HDR(85),
 537     CHARLIKE_HDR(86),
 538     CHARLIKE_HDR(87),
 539     CHARLIKE_HDR(88),
 540     CHARLIKE_HDR(89),
 541     CHARLIKE_HDR(90),
 542     CHARLIKE_HDR(91),
 543     CHARLIKE_HDR(92),
 544     CHARLIKE_HDR(93),
 545     CHARLIKE_HDR(94),
 546     CHARLIKE_HDR(95),
 547     CHARLIKE_HDR(96),
 548     CHARLIKE_HDR(97),
 549     CHARLIKE_HDR(98),
 550     CHARLIKE_HDR(99),
 551     CHARLIKE_HDR(100),
 552     CHARLIKE_HDR(101),
 553     CHARLIKE_HDR(102),
 554     CHARLIKE_HDR(103),
 555     CHARLIKE_HDR(104),
 556     CHARLIKE_HDR(105),
 557     CHARLIKE_HDR(106),
 558     CHARLIKE_HDR(107),
 559     CHARLIKE_HDR(108),
 560     CHARLIKE_HDR(109),
 561     CHARLIKE_HDR(110),
 562     CHARLIKE_HDR(111),
 563     CHARLIKE_HDR(112),
 564     CHARLIKE_HDR(113),
 565     CHARLIKE_HDR(114),
 566     CHARLIKE_HDR(115),
 567     CHARLIKE_HDR(116),
 568     CHARLIKE_HDR(117),
 569     CHARLIKE_HDR(118),
 570     CHARLIKE_HDR(119),
 571     CHARLIKE_HDR(120),
 572     CHARLIKE_HDR(121),
 573     CHARLIKE_HDR(122),
 574     CHARLIKE_HDR(123),
 575     CHARLIKE_HDR(124),
 576     CHARLIKE_HDR(125),
 577     CHARLIKE_HDR(126),
 578     CHARLIKE_HDR(127),
 579     CHARLIKE_HDR(128),
 580     CHARLIKE_HDR(129),
 581     CHARLIKE_HDR(130),
 582     CHARLIKE_HDR(131),
 583     CHARLIKE_HDR(132),
 584     CHARLIKE_HDR(133),
 585     CHARLIKE_HDR(134),
 586     CHARLIKE_HDR(135),
 587     CHARLIKE_HDR(136),
 588     CHARLIKE_HDR(137),
 589     CHARLIKE_HDR(138),
 590     CHARLIKE_HDR(139),
 591     CHARLIKE_HDR(140),
 592     CHARLIKE_HDR(141),
 593     CHARLIKE_HDR(142),
 594     CHARLIKE_HDR(143),
 595     CHARLIKE_HDR(144),
 596     CHARLIKE_HDR(145),
 597     CHARLIKE_HDR(146),
 598     CHARLIKE_HDR(147),
 599     CHARLIKE_HDR(148),
 600     CHARLIKE_HDR(149),
 601     CHARLIKE_HDR(150),
 602     CHARLIKE_HDR(151),
 603     CHARLIKE_HDR(152),
 604     CHARLIKE_HDR(153),
 605     CHARLIKE_HDR(154),
 606     CHARLIKE_HDR(155),
 607     CHARLIKE_HDR(156),
 608     CHARLIKE_HDR(157),
 609     CHARLIKE_HDR(158),
 610     CHARLIKE_HDR(159),
 611     CHARLIKE_HDR(160),
 612     CHARLIKE_HDR(161),
 613     CHARLIKE_HDR(162),
 614     CHARLIKE_HDR(163),
 615     CHARLIKE_HDR(164),
 616     CHARLIKE_HDR(165),
 617     CHARLIKE_HDR(166),
 618     CHARLIKE_HDR(167),
 619     CHARLIKE_HDR(168),
 620     CHARLIKE_HDR(169),
 621     CHARLIKE_HDR(170),
 622     CHARLIKE_HDR(171),
 623     CHARLIKE_HDR(172),
 624     CHARLIKE_HDR(173),
 625     CHARLIKE_HDR(174),
 626     CHARLIKE_HDR(175),
 627     CHARLIKE_HDR(176),
 628     CHARLIKE_HDR(177),
 629     CHARLIKE_HDR(178),
 630     CHARLIKE_HDR(179),
 631     CHARLIKE_HDR(180),
 632     CHARLIKE_HDR(181),
 633     CHARLIKE_HDR(182),
 634     CHARLIKE_HDR(183),
 635     CHARLIKE_HDR(184),
 636     CHARLIKE_HDR(185),
 637     CHARLIKE_HDR(186),
 638     CHARLIKE_HDR(187),
 639     CHARLIKE_HDR(188),
 640     CHARLIKE_HDR(189),
 641     CHARLIKE_HDR(190),
 642     CHARLIKE_HDR(191),
 643     CHARLIKE_HDR(192),
 644     CHARLIKE_HDR(193),
 645     CHARLIKE_HDR(194),
 646     CHARLIKE_HDR(195),
 647     CHARLIKE_HDR(196),
 648     CHARLIKE_HDR(197),
 649     CHARLIKE_HDR(198),
 650     CHARLIKE_HDR(199),
 651     CHARLIKE_HDR(200),
 652     CHARLIKE_HDR(201),
 653     CHARLIKE_HDR(202),
 654     CHARLIKE_HDR(203),
 655     CHARLIKE_HDR(204),
 656     CHARLIKE_HDR(205),
 657     CHARLIKE_HDR(206),
 658     CHARLIKE_HDR(207),
 659     CHARLIKE_HDR(208),
 660     CHARLIKE_HDR(209),
 661     CHARLIKE_HDR(210),
 662     CHARLIKE_HDR(211),
 663     CHARLIKE_HDR(212),
 664     CHARLIKE_HDR(213),
 665     CHARLIKE_HDR(214),
 666     CHARLIKE_HDR(215),
 667     CHARLIKE_HDR(216),
 668     CHARLIKE_HDR(217),
 669     CHARLIKE_HDR(218),
 670     CHARLIKE_HDR(219),
 671     CHARLIKE_HDR(220),
 672     CHARLIKE_HDR(221),
 673     CHARLIKE_HDR(222),
 674     CHARLIKE_HDR(223),
 675     CHARLIKE_HDR(224),
 676     CHARLIKE_HDR(225),
 677     CHARLIKE_HDR(226),
 678     CHARLIKE_HDR(227),
 679     CHARLIKE_HDR(228),
 680     CHARLIKE_HDR(229),
 681     CHARLIKE_HDR(230),
 682     CHARLIKE_HDR(231),
 683     CHARLIKE_HDR(232),
 684     CHARLIKE_HDR(233),
 685     CHARLIKE_HDR(234),
 686     CHARLIKE_HDR(235),
 687     CHARLIKE_HDR(236),
 688     CHARLIKE_HDR(237),
 689     CHARLIKE_HDR(238),
 690     CHARLIKE_HDR(239),
 691     CHARLIKE_HDR(240),
 692     CHARLIKE_HDR(241),
 693     CHARLIKE_HDR(242),
 694     CHARLIKE_HDR(243),
 695     CHARLIKE_HDR(244),
 696     CHARLIKE_HDR(245),
 697     CHARLIKE_HDR(246),
 698     CHARLIKE_HDR(247),
 699     CHARLIKE_HDR(248),
 700     CHARLIKE_HDR(249),
 701     CHARLIKE_HDR(250),
 702     CHARLIKE_HDR(251),
 703     CHARLIKE_HDR(252),
 704     CHARLIKE_HDR(253),
 705     CHARLIKE_HDR(254),
 706     CHARLIKE_HDR(255)
 707 };
 708
 709 StgIntCharlikeClosure INTLIKE_closure[] = {
 710     INTLIKE_HDR(-16),   /* MIN_INTLIKE == -16 */
 711     INTLIKE_HDR(-15),
 712     INTLIKE_HDR(-14),
 713     INTLIKE_HDR(-13),
 714     INTLIKE_HDR(-12),
 715     INTLIKE_HDR(-11),
 716     INTLIKE_HDR(-10),
 717     INTLIKE_HDR(-9),
 718     INTLIKE_HDR(-8),
 719     INTLIKE_HDR(-7),
 720     INTLIKE_HDR(-6),
 721     INTLIKE_HDR(-5),
 722     INTLIKE_HDR(-4),
 723     INTLIKE_HDR(-3),
 724     INTLIKE_HDR(-2),
 725     INTLIKE_HDR(-1),
 726     INTLIKE_HDR(0),
 727     INTLIKE_HDR(1),
 728     INTLIKE_HDR(2),
 729     INTLIKE_HDR(3),
 730     INTLIKE_HDR(4),
 731     INTLIKE_HDR(5),
 732     INTLIKE_HDR(6),
 733     INTLIKE_HDR(7),
 734     INTLIKE_HDR(8),
 735     INTLIKE_HDR(9),
 736     INTLIKE_HDR(10),
 737     INTLIKE_HDR(11),
 738     INTLIKE_HDR(12),
 739     INTLIKE_HDR(13),
 740     INTLIKE_HDR(14),
 741     INTLIKE_HDR(15),
 742     INTLIKE_HDR(16)     /* MAX_INTLIKE == 16 */
 743 };