MiscClosures.h 13.6 KB
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/* ----------------------------------------------------------------------------
 *
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 * (c) The GHC Team, 1998-2009
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 *
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 * Declarations for various symbols exported by the RTS.
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 *
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 * ToDo: many of the symbols in here don't need to be exported, but
 * our Cmm code generator doesn't know how to generate local symbols
 * for the RTS bits (it assumes all RTS symbols are external).
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 *
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 * See wiki:Commentary/Compiler/Backends/PprC#Prototypes
 *
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 * Do not #include this file directly: #include "Rts.h" instead.
 *
 * To understand the structure of the RTS headers, see the wiki:
 *   http://hackage.haskell.org/trac/ghc/wiki/Commentary/SourceTree/Includes
 *
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 * --------------------------------------------------------------------------*/

#ifndef STGMISCCLOSURES_H
#define STGMISCCLOSURES_H

#if IN_STG_CODE
#  define RTS_RET_INFO(i)   extern W_(i)[]
#  define RTS_FUN_INFO(i)   extern W_(i)[]
#  define RTS_THUNK_INFO(i) extern W_(i)[]
#  define RTS_INFO(i)       extern W_(i)[]
#  define RTS_CLOSURE(i)    extern W_(i)[]
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#  define RTS_FUN_DECL(f)   extern DLL_IMPORT_RTS StgFunPtr f(void)
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#else
#  define RTS_RET_INFO(i)   extern DLL_IMPORT_RTS const StgRetInfoTable i
#  define RTS_FUN_INFO(i)   extern DLL_IMPORT_RTS const StgFunInfoTable i
#  define RTS_THUNK_INFO(i) extern DLL_IMPORT_RTS const StgThunkInfoTable i
#  define RTS_INFO(i)       extern DLL_IMPORT_RTS const StgInfoTable i
#  define RTS_CLOSURE(i)    extern DLL_IMPORT_RTS StgClosure i
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#  define RTS_FUN_DECL(f)   extern DLL_IMPORT_RTS StgFunPtr f(void)
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#endif
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#ifdef TABLES_NEXT_TO_CODE
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#  define RTS_RET(f)      RTS_INFO(f##_info)
#  define RTS_ENTRY(f)    RTS_INFO(f##_info)
#  define RTS_FUN(f)      RTS_FUN_INFO(f##_info)
#  define RTS_THUNK(f)    RTS_THUNK_INFO(f##_info)
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#else
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#  define RTS_RET(f)      RTS_INFO(f##_info);  RTS_FUN_DECL(f##_ret)
#  define RTS_ENTRY(f)    RTS_INFO(f##_info);  RTS_FUN_DECL(f##_entry)
#  define RTS_FUN(f)      RTS_FUN_INFO(f##_info); RTS_FUN_DECL(f##_entry)
#  define RTS_THUNK(f)    RTS_THUNK_INFO(f##_info); RTS_FUN_DECL(f##_entry)
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#endif
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/* Stack frames */
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RTS_RET(stg_upd_frame);
RTS_RET(stg_bh_upd_frame);
RTS_RET(stg_marked_upd_frame);
RTS_RET(stg_noupd_frame);
RTS_RET(stg_catch_frame);
RTS_RET(stg_catch_retry_frame);
RTS_RET(stg_atomically_frame);
RTS_RET(stg_atomically_waiting_frame);
RTS_RET(stg_catch_stm_frame);
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RTS_RET(stg_unmaskAsyncExceptionszh_ret);
RTS_RET(stg_maskUninterruptiblezh_ret);
RTS_RET(stg_maskAsyncExceptionszh_ret);
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RTS_RET(stg_stack_underflow_frame);
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// RTS_FUN(stg_interp_constr_entry);
//
// This is referenced using the FFI in the compiler (ByteCodeItbls),
// so we can't give it the correct type here because the prototypes
// would clash (FFI references are always declared with type StgWord[]
// in the generated C code).
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/* Magic glue code for when compiled code returns a value in R1/F1/D1
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   or a VoidRep to the interpreter. */
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RTS_RET(stg_ctoi_R1p);
RTS_RET(stg_ctoi_R1unpt);
RTS_RET(stg_ctoi_R1n);
RTS_RET(stg_ctoi_F1);
RTS_RET(stg_ctoi_D1);
RTS_RET(stg_ctoi_L1);
RTS_RET(stg_ctoi_V);

RTS_RET(stg_apply_interp);

RTS_ENTRY(stg_IND);
RTS_ENTRY(stg_IND_direct);
RTS_ENTRY(stg_IND_STATIC);
RTS_ENTRY(stg_IND_PERM);
RTS_ENTRY(stg_BLACKHOLE);
RTS_ENTRY(stg_CAF_BLACKHOLE);
RTS_ENTRY(__stg_EAGER_BLACKHOLE);
RTS_ENTRY(stg_WHITEHOLE);
RTS_ENTRY(stg_BLOCKING_QUEUE_CLEAN);
RTS_ENTRY(stg_BLOCKING_QUEUE_DIRTY);

RTS_FUN(stg_BCO);
RTS_ENTRY(stg_EVACUATED);
RTS_ENTRY(stg_WEAK);
RTS_ENTRY(stg_DEAD_WEAK);
RTS_ENTRY(stg_STABLE_NAME);
RTS_ENTRY(stg_MVAR_CLEAN);
RTS_ENTRY(stg_MVAR_DIRTY);
RTS_ENTRY(stg_TSO);
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RTS_ENTRY(stg_STACK);
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RTS_ENTRY(stg_ARR_WORDS);
RTS_ENTRY(stg_MUT_ARR_WORDS);
RTS_ENTRY(stg_MUT_ARR_PTRS_CLEAN);
RTS_ENTRY(stg_MUT_ARR_PTRS_DIRTY);
RTS_ENTRY(stg_MUT_ARR_PTRS_FROZEN);
RTS_ENTRY(stg_MUT_ARR_PTRS_FROZEN0);
RTS_ENTRY(stg_MUT_VAR_CLEAN);
RTS_ENTRY(stg_MUT_VAR_DIRTY);
RTS_ENTRY(stg_END_TSO_QUEUE);
RTS_ENTRY(stg_MSG_TRY_WAKEUP);
RTS_ENTRY(stg_MSG_THROWTO);
RTS_ENTRY(stg_MSG_BLACKHOLE);
RTS_ENTRY(stg_MSG_NULL);
RTS_ENTRY(stg_MVAR_TSO_QUEUE);
RTS_ENTRY(stg_catch);
RTS_ENTRY(stg_PAP);
RTS_ENTRY(stg_AP);
RTS_ENTRY(stg_AP_NOUPD);
RTS_ENTRY(stg_AP_STACK);
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RTS_ENTRY(stg_AP_STACK_NOUPD);
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RTS_ENTRY(stg_dummy_ret);
RTS_ENTRY(stg_raise);
RTS_ENTRY(stg_raise_ret);
RTS_ENTRY(stg_TVAR_WATCH_QUEUE);
RTS_ENTRY(stg_INVARIANT_CHECK_QUEUE);
RTS_ENTRY(stg_ATOMIC_INVARIANT);
RTS_ENTRY(stg_TVAR);
RTS_ENTRY(stg_TREC_CHUNK);
RTS_ENTRY(stg_TREC_HEADER);
RTS_ENTRY(stg_END_STM_WATCH_QUEUE);
RTS_ENTRY(stg_END_INVARIANT_CHECK_QUEUE);
RTS_ENTRY(stg_END_STM_CHUNK_LIST);
RTS_ENTRY(stg_NO_TREC);
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/* closures */

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RTS_CLOSURE(stg_END_TSO_QUEUE_closure);
RTS_CLOSURE(stg_NO_FINALIZER_closure);
RTS_CLOSURE(stg_dummy_ret_closure);
RTS_CLOSURE(stg_forceIO_closure);

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RTS_CLOSURE(stg_END_STM_WATCH_QUEUE_closure);
RTS_CLOSURE(stg_END_INVARIANT_CHECK_QUEUE_closure);
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RTS_CLOSURE(stg_END_STM_CHUNK_LIST_closure);
RTS_CLOSURE(stg_NO_TREC_closure);

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RTS_ENTRY(stg_NO_FINALIZER_entry);
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#if IN_STG_CODE
extern DLL_IMPORT_RTS StgWordArray stg_CHARLIKE_closure;
extern DLL_IMPORT_RTS StgWordArray stg_INTLIKE_closure;
#else
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extern DLL_IMPORT_RTS StgIntCharlikeClosure stg_CHARLIKE_closure[];
extern DLL_IMPORT_RTS StgIntCharlikeClosure stg_INTLIKE_closure[];
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#endif

/* StgStartup */

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RTS_RET(stg_forceIO);
RTS_RET(stg_noforceIO);
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/* standard entry points */
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/* standard selector thunks */

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RTS_RET(stg_sel_ret_0_upd);
RTS_RET(stg_sel_ret_1_upd);
RTS_RET(stg_sel_ret_2_upd);
RTS_RET(stg_sel_ret_3_upd);
RTS_RET(stg_sel_ret_4_upd);
RTS_RET(stg_sel_ret_5_upd);
RTS_RET(stg_sel_ret_6_upd);
RTS_RET(stg_sel_ret_7_upd);
RTS_RET(stg_sel_ret_8_upd);
RTS_RET(stg_sel_ret_9_upd);
RTS_RET(stg_sel_ret_10_upd);
RTS_RET(stg_sel_ret_11_upd);
RTS_RET(stg_sel_ret_12_upd);
RTS_RET(stg_sel_ret_13_upd);
RTS_RET(stg_sel_ret_14_upd);
RTS_RET(stg_sel_ret_15_upd);

RTS_ENTRY(stg_sel_0_upd);
RTS_ENTRY(stg_sel_1_upd);
RTS_ENTRY(stg_sel_2_upd);
RTS_ENTRY(stg_sel_3_upd);
RTS_ENTRY(stg_sel_4_upd);
RTS_ENTRY(stg_sel_5_upd);
RTS_ENTRY(stg_sel_6_upd);
RTS_ENTRY(stg_sel_7_upd);
RTS_ENTRY(stg_sel_8_upd);
RTS_ENTRY(stg_sel_9_upd);
RTS_ENTRY(stg_sel_10_upd);
RTS_ENTRY(stg_sel_11_upd);
RTS_ENTRY(stg_sel_12_upd);
RTS_ENTRY(stg_sel_13_upd);
RTS_ENTRY(stg_sel_14_upd);
RTS_ENTRY(stg_sel_15_upd);

RTS_ENTRY(stg_sel_0_noupd);
RTS_ENTRY(stg_sel_1_noupd);
RTS_ENTRY(stg_sel_2_noupd);
RTS_ENTRY(stg_sel_3_noupd);
RTS_ENTRY(stg_sel_4_noupd);
RTS_ENTRY(stg_sel_5_noupd);
RTS_ENTRY(stg_sel_6_noupd);
RTS_ENTRY(stg_sel_7_noupd);
RTS_ENTRY(stg_sel_8_noupd);
RTS_ENTRY(stg_sel_9_noupd);
RTS_ENTRY(stg_sel_10_noupd);
RTS_ENTRY(stg_sel_11_noupd);
RTS_ENTRY(stg_sel_12_noupd);
RTS_ENTRY(stg_sel_13_noupd);
RTS_ENTRY(stg_sel_14_noupd);
RTS_ENTRY(stg_sel_15_noupd);
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/* standard ap thunks */

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RTS_THUNK(stg_ap_1_upd);
RTS_THUNK(stg_ap_2_upd);
RTS_THUNK(stg_ap_3_upd);
RTS_THUNK(stg_ap_4_upd);
RTS_THUNK(stg_ap_5_upd);
RTS_THUNK(stg_ap_6_upd);
RTS_THUNK(stg_ap_7_upd);
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/* standard application routines (see also rts/gen_apply.py, 
 * and compiler/codeGen/CgStackery.lhs).
 */
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RTS_RET(stg_ap_v);
RTS_RET(stg_ap_f);
RTS_RET(stg_ap_d);
RTS_RET(stg_ap_l);
RTS_RET(stg_ap_n);
RTS_RET(stg_ap_p);
RTS_RET(stg_ap_pv);
RTS_RET(stg_ap_pp);
RTS_RET(stg_ap_ppv);
RTS_RET(stg_ap_ppp);
RTS_RET(stg_ap_pppv);
RTS_RET(stg_ap_pppp);
RTS_RET(stg_ap_ppppp);
RTS_RET(stg_ap_pppppp);

RTS_FUN_DECL(stg_ap_0_fast);
RTS_FUN_DECL(stg_ap_v_fast);
RTS_FUN_DECL(stg_ap_f_fast);
RTS_FUN_DECL(stg_ap_d_fast);
RTS_FUN_DECL(stg_ap_l_fast);
RTS_FUN_DECL(stg_ap_n_fast);
RTS_FUN_DECL(stg_ap_p_fast);
RTS_FUN_DECL(stg_ap_pv_fast);
RTS_FUN_DECL(stg_ap_pp_fast);
RTS_FUN_DECL(stg_ap_ppv_fast);
RTS_FUN_DECL(stg_ap_ppp_fast);
RTS_FUN_DECL(stg_ap_pppv_fast);
RTS_FUN_DECL(stg_ap_pppp_fast);
RTS_FUN_DECL(stg_ap_ppppp_fast);
RTS_FUN_DECL(stg_ap_pppppp_fast);
RTS_FUN_DECL(stg_PAP_apply);
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/* standard GC & stack check entry points, all defined in HeapStackCheck.hc */

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RTS_RET(stg_enter);
RTS_RET(stg_enter_checkbh);

RTS_RET(stg_gc_void);

RTS_FUN_DECL(__stg_gc_enter_1);
RTS_FUN_DECL(stg_gc_noregs);

RTS_RET(stg_gc_unpt_r1);
RTS_FUN_DECL(stg_gc_unpt_r1);

RTS_RET(stg_gc_unbx_r1);
RTS_FUN_DECL(stg_gc_unbx_r1);

RTS_RET(stg_gc_f1);
RTS_FUN_DECL(stg_gc_f1);

RTS_RET(stg_gc_d1);
RTS_FUN_DECL(stg_gc_d1);

RTS_RET(stg_gc_l1);
RTS_FUN_DECL(stg_gc_l1);

RTS_RET(stg_gc_fun);
RTS_FUN_DECL(__stg_gc_fun);

RTS_RET(stg_gc_gen);
RTS_FUN_DECL(stg_gc_gen);

RTS_RET(stg_ut_1_0_unreg);

RTS_FUN_DECL(stg_gc_gen_hp);
RTS_FUN_DECL(stg_gc_ut);
RTS_FUN_DECL(stg_gen_yield);
RTS_FUN_DECL(stg_yield_noregs);
RTS_FUN_DECL(stg_yield_to_interpreter);
RTS_FUN_DECL(stg_gen_block);
RTS_FUN_DECL(stg_block_noregs);
RTS_FUN_DECL(stg_block_1);
RTS_FUN_DECL(stg_block_blackhole);
RTS_FUN_DECL(stg_block_blackhole_finally);
RTS_FUN_DECL(stg_block_takemvar);
RTS_RET(stg_block_takemvar);
RTS_FUN_DECL(stg_block_putmvar);
RTS_RET(stg_block_putmvar);
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RTS_FUN_DECL(stg_block_async);
RTS_RET(stg_block_async);
RTS_FUN_DECL(stg_block_async_void);
RTS_RET(stg_block_async_void);
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#endif
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RTS_FUN_DECL(stg_block_stmwait);
RTS_FUN_DECL(stg_block_throwto);
RTS_RET(stg_block_throwto);
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/* Entry/exit points from StgStartup.cmm */

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RTS_RET(stg_stop_thread);
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RTS_FUN_DECL(stg_returnToStackTop);
RTS_FUN_DECL(stg_returnToSched);
RTS_FUN_DECL(stg_returnToSchedNotPaused);
RTS_FUN_DECL(stg_returnToSchedButFirst);
RTS_FUN_DECL(stg_threadFinished);
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RTS_FUN_DECL(stg_init_finish);
RTS_FUN_DECL(stg_init);
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RTS_FUN_DECL(StgReturn);
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/* -----------------------------------------------------------------------------
   PrimOps
   -------------------------------------------------------------------------- */

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RTS_FUN_DECL(stg_plusIntegerzh);
RTS_FUN_DECL(stg_minusIntegerzh);
RTS_FUN_DECL(stg_timesIntegerzh);
RTS_FUN_DECL(stg_gcdIntegerzh);
RTS_FUN_DECL(stg_quotRemIntegerzh);
RTS_FUN_DECL(stg_quotIntegerzh);
RTS_FUN_DECL(stg_remIntegerzh);
RTS_FUN_DECL(stg_divExactIntegerzh);
RTS_FUN_DECL(stg_divModIntegerzh);

RTS_FUN_DECL(stg_cmpIntegerIntzh);
RTS_FUN_DECL(stg_cmpIntegerzh);
RTS_FUN_DECL(stg_integer2Intzh);
RTS_FUN_DECL(stg_integer2Wordzh);
RTS_FUN_DECL(stg_gcdIntegerIntzh);
RTS_FUN_DECL(stg_gcdIntzh);

RTS_FUN_DECL(stg_int2Integerzh);
RTS_FUN_DECL(stg_word2Integerzh);

RTS_FUN_DECL(stg_decodeFloatzuIntzh);
RTS_FUN_DECL(stg_decodeDoublezh);
RTS_FUN_DECL(stg_decodeDoublezu2Intzh);

RTS_FUN_DECL(stg_andIntegerzh);
RTS_FUN_DECL(stg_orIntegerzh);
RTS_FUN_DECL(stg_xorIntegerzh);
RTS_FUN_DECL(stg_complementIntegerzh);
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#if SIZEOF_HSINT == 4
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RTS_FUN_DECL(stg_int64ToIntegerzh);
RTS_FUN_DECL(stg_word64ToIntegerzh);
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#endif
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RTS_FUN_DECL(stg_unsafeThawArrayzh);
RTS_FUN_DECL(stg_newByteArrayzh);
RTS_FUN_DECL(stg_newPinnedByteArrayzh);
RTS_FUN_DECL(stg_newAlignedPinnedByteArrayzh);
RTS_FUN_DECL(stg_newArrayzh);

RTS_FUN_DECL(stg_newMutVarzh);
RTS_FUN_DECL(stg_atomicModifyMutVarzh);
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RTS_FUN_DECL(stg_casMutVarzh);
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RTS_FUN_DECL(stg_isEmptyMVarzh);
RTS_FUN_DECL(stg_newMVarzh);
RTS_FUN_DECL(stg_takeMVarzh);
RTS_FUN_DECL(stg_putMVarzh);
RTS_FUN_DECL(stg_tryTakeMVarzh);
RTS_FUN_DECL(stg_tryPutMVarzh);

RTS_FUN_DECL(stg_waitReadzh);
RTS_FUN_DECL(stg_waitWritezh);
RTS_FUN_DECL(stg_delayzh);
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RTS_FUN_DECL(stg_asyncReadzh);
RTS_FUN_DECL(stg_asyncWritezh);
RTS_FUN_DECL(stg_asyncDoProczh);
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#endif
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RTS_FUN_DECL(stg_catchzh);
RTS_FUN_DECL(stg_raisezh);
RTS_FUN_DECL(stg_raiseIOzh);

RTS_FUN_DECL(stg_makeStableNamezh);
RTS_FUN_DECL(stg_makeStablePtrzh);
RTS_FUN_DECL(stg_deRefStablePtrzh);

RTS_FUN_DECL(stg_forkzh);
RTS_FUN_DECL(stg_forkOnzh);
RTS_FUN_DECL(stg_yieldzh);
RTS_FUN_DECL(stg_killThreadzh);
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RTS_FUN_DECL(stg_getMaskingStatezh);
RTS_FUN_DECL(stg_maskAsyncExceptionszh);
RTS_FUN_DECL(stg_maskUninterruptiblezh);
RTS_FUN_DECL(stg_unmaskAsyncExceptionszh);
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RTS_FUN_DECL(stg_myThreadIdzh);
RTS_FUN_DECL(stg_labelThreadzh);
RTS_FUN_DECL(stg_isCurrentThreadBoundzh);
RTS_FUN_DECL(stg_threadStatuszh);

RTS_FUN_DECL(stg_mkWeakzh);
RTS_FUN_DECL(stg_mkWeakForeignzh);
RTS_FUN_DECL(stg_mkWeakForeignEnvzh);
RTS_FUN_DECL(stg_finalizzeWeakzh);
RTS_FUN_DECL(stg_deRefWeakzh);

RTS_FUN_DECL(stg_newBCOzh);
RTS_FUN_DECL(stg_mkApUpd0zh);

RTS_FUN_DECL(stg_retryzh);
RTS_FUN_DECL(stg_catchRetryzh);
RTS_FUN_DECL(stg_catchSTMzh);
RTS_FUN_DECL(stg_atomicallyzh);
RTS_FUN_DECL(stg_newTVarzh);
RTS_FUN_DECL(stg_readTVarzh);
RTS_FUN_DECL(stg_readTVarIOzh);
RTS_FUN_DECL(stg_writeTVarzh);
RTS_FUN_DECL(stg_checkzh);

RTS_FUN_DECL(stg_unpackClosurezh);
RTS_FUN_DECL(stg_getApStackValzh);
RTS_FUN_DECL(stg_getSparkzh);
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RTS_FUN_DECL(stg_numSparkszh);
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RTS_FUN_DECL(stg_noDuplicatezh);

RTS_FUN_DECL(stg_traceCcszh);
RTS_FUN_DECL(stg_traceEventzh);
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/* Other misc stuff */
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// See wiki:Commentary/Compiler/Backends/PprC#Prototypes
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#if IN_STG_CODE && !IN_STGCRUN

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// Interpreter.c
extern StgWord rts_stop_next_breakpoint[];
extern StgWord rts_stop_on_exception[];
extern StgWord rts_breakpoint_io_action[];

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// Schedule.c
extern StgWord RTS_VAR(blocked_queue_hd), RTS_VAR(blocked_queue_tl);
extern StgWord RTS_VAR(sleeping_queue);
extern StgWord RTS_VAR(blackhole_queue);
extern StgWord RTS_VAR(sched_mutex);

// Apply.cmm
// canned bitmap for each arg type
extern StgWord stg_arg_bitmaps[];
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extern StgWord stg_ap_stack_entries[];
extern StgWord stg_stack_save_entries[];
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// Storage.c
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extern unsigned int RTS_VAR(g0);
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extern unsigned int RTS_VAR(large_alloc_lim);
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extern StgWord RTS_VAR(weak_ptr_list);
extern StgWord RTS_VAR(atomic_modify_mutvar_mutex);

// RtsFlags
extern StgWord RTS_VAR(RtsFlags); // bogus type

// Stable.c
extern StgWord RTS_VAR(stable_ptr_table);

// Profiling.c
extern unsigned int RTS_VAR(era);
extern StgWord      RTS_VAR(CCCS);	        /* current CCS */
extern unsigned int RTS_VAR(entering_PAP);
extern StgWord      RTS_VAR(CC_LIST);               /* registered CC list */
extern StgWord      RTS_VAR(CCS_LIST);         /* registered CCS list */
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extern StgWord      CCS_SYSTEM[];
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extern unsigned int RTS_VAR(CC_ID);	/* global ids */
extern unsigned int RTS_VAR(CCS_ID);

#endif

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#endif /* STGMISCCLOSURES_H */