X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FStgMiscClosures.hc;h=b95cfd5f1fd307616691d1452da13d79b9c6a880;hb=778b2c6bdbabf2c9f394f0ca2b76b55a7123aa5f;hp=e371799572a8fbcde73388547bd3d65c0a578a27;hpb=589b7946b0847a47d1a5493dcec0976c84814312;p=ghc-hetmet.git diff --git a/ghc/rts/StgMiscClosures.hc b/ghc/rts/StgMiscClosures.hc index e371799..b95cfd5 100644 --- a/ghc/rts/StgMiscClosures.hc +++ b/ghc/rts/StgMiscClosures.hc @@ -1,7 +1,7 @@ /* ----------------------------------------------------------------------------- - * $Id: StgMiscClosures.hc,v 1.23 1999/05/13 17:31:12 simonm Exp $ + * $Id: StgMiscClosures.hc,v 1.45 2000/06/25 17:25:42 panne Exp $ * - * (c) The GHC Team, 1998-1999 + * (c) The GHC Team, 1998-2000 * * Entry code for various built-in closure types. * @@ -9,20 +9,44 @@ #include "Rts.h" #include "RtsUtils.h" +#include "RtsFlags.h" #include "StgMiscClosures.h" #include "HeapStackCheck.h" /* for stg_gen_yield */ #include "Storage.h" #include "StoragePriv.h" -#include "ProfRts.h" +#include "Profiling.h" +#include "Prelude.h" +#include "SMP.h" +#if defined(GRAN) || defined(PAR) +# include "GranSimRts.h" /* for DumpRawGranEvent */ +# include "StgRun.h" /* for StgReturn and register saving */ +#endif #ifdef HAVE_STDIO_H #include #endif +/* ToDo: make the printing of panics more Win32-friendly, i.e., + * pop up some lovely message boxes (as well). + */ +#define DUMP_ERRMSG(msg) STGCALL2(fprintf,stderr,msg) + +/* + Template for the entry code of non-enterable closures. +*/ + +#define NON_ENTERABLE_ENTRY_CODE(type) \ +STGFUN(type##_entry) \ +{ \ + FB_ \ + DUMP_ERRMSG(#type " object entered!\n"); \ + STGCALL1(shutdownHaskellAndExit, EXIT_FAILURE); \ + return NULL; \ + FE_ \ +} + /* ----------------------------------------------------------------------------- Entry code for an indirection. - - This code assumes R1 is in a register for now. -------------------------------------------------------------------------- */ INFO_TABLE(IND_info,IND_entry,1,0,IND,,EF_,0,0); @@ -42,19 +66,17 @@ STGFUN(IND_STATIC_entry) { FB_ TICK_ENT_IND(Node); /* tick */ - R1.p = (P_) ((StgIndStatic*)R1.p)->indirectee; TICK_ENT_VIA_NODE(); JMP_(ENTRY_CODE(*R1.p)); FE_ } -INFO_TABLE(IND_PERM_info,IND_PERM_entry,1,1,IND_PERM,,EF_,0,0); +INFO_TABLE(IND_PERM_info,IND_PERM_entry,1,1,IND_PERM,,EF_,"IND_PERM","IND_PERM"); STGFUN(IND_PERM_entry) { FB_ /* Don't add INDs to granularity cost */ - /* Dont: TICK_ENT_IND(Node); for ticky-ticky; this ind is here only to help profiling */ #if defined(TICKY_TICKY) && !defined(PROFILING) @@ -169,61 +191,196 @@ STGFUN(CAF_ENTERED_entry) waiting for the evaluation of the closure to finish. -------------------------------------------------------------------------- */ -/* Note: a black hole must be big enough to be overwritten with an - * indirection/evacuee/catch. Thus we claim it has 1 non-pointer word of - * payload (in addition to the pointer word for the blocking queue), which - * should be big enough for an old-generation indirection. +/* Note: a BLACKHOLE and BLACKHOLE_BQ must be big enough to be + * overwritten with an indirection/evacuee/catch. Thus we claim it + * has 1 non-pointer word of payload (in addition to the pointer word + * for the blocking queue in a BQ), which should be big enough for an + * old-generation indirection. */ -INFO_TABLE(BLACKHOLE_info, BLACKHOLE_entry,0,2,BLACKHOLE,,EF_,0,0); +INFO_TABLE(BLACKHOLE_info, BLACKHOLE_entry,0,2,BLACKHOLE,,EF_,"BLACKHOLE","BLACKHOLE"); STGFUN(BLACKHOLE_entry) { FB_ +#if defined(GRAN) + /* Before overwriting TSO_LINK */ + STGCALL3(GranSimBlock,CurrentTSO,CurrentProc,(StgClosure *)R1.p /*Node*/); +#endif + +#ifdef SMP + { + bdescr *bd = Bdescr(R1.p); + if (bd->back != (bdescr *)BaseReg) { + if (bd->gen->no >= 1 || bd->step->no >= 1) { + CMPXCHG(R1.cl->header.info, &BLACKHOLE_info, &WHITEHOLE_info); + } else { + EXTFUN_RTS(stg_gc_enter_1_hponly); + JMP_(stg_gc_enter_1_hponly); + } + } + } +#endif TICK_ENT_BH(); - /* Change the BLACKHOLE into a BLACKHOLE_BQ */ - ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info; /* Put ourselves on the blocking queue for this black hole */ - CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure; +#if defined(GRAN) || defined(PAR) + /* in fact, only difference is the type of the end-of-queue marker! */ + CurrentTSO->link = END_BQ_QUEUE; + ((StgBlockingQueue *)R1.p)->blocking_queue = (StgBlockingQueueElement *)CurrentTSO; +#else + CurrentTSO->link = END_TSO_QUEUE; ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO; - CurrentTSO->blocked_on = R1.cl; +#endif + /* jot down why and on what closure we are blocked */ + CurrentTSO->why_blocked = BlockedOnBlackHole; + CurrentTSO->block_info.closure = R1.cl; + /* closure is mutable since something has just been added to its BQ */ recordMutable((StgMutClosure *)R1.cl); + /* Change the BLACKHOLE into a BLACKHOLE_BQ */ + ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info; + + /* PAR: dumping of event now done in blockThread -- HWL */ /* stg_gen_block is too heavyweight, use a specialised one */ BLOCK_NP(1); + FE_ } -INFO_TABLE(BLACKHOLE_BQ_info, BLACKHOLE_BQ_entry,1,1,BLACKHOLE_BQ,,EF_,0,0); +INFO_TABLE(BLACKHOLE_BQ_info, BLACKHOLE_BQ_entry,1,1,BLACKHOLE_BQ,,EF_,"BLACKHOLE","BLACKHOLE"); STGFUN(BLACKHOLE_BQ_entry) { FB_ +#if defined(GRAN) + /* Before overwriting TSO_LINK */ + STGCALL3(GranSimBlock,CurrentTSO,CurrentProc,(StgClosure *)R1.p /*Node*/); +#endif + +#ifdef SMP + { + bdescr *bd = Bdescr(R1.p); + if (bd->back != (bdescr *)BaseReg) { + if (bd->gen->no >= 1 || bd->step->no >= 1) { + CMPXCHG(R1.cl->header.info, &BLACKHOLE_info, &WHITEHOLE_info); + } else { + EXTFUN_RTS(stg_gc_enter_1_hponly); + JMP_(stg_gc_enter_1_hponly); + } + } + } +#endif + TICK_ENT_BH(); /* Put ourselves on the blocking queue for this black hole */ - CurrentTSO->blocked_on = R1.cl; CurrentTSO->link = ((StgBlockingQueue *)R1.p)->blocking_queue; ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO; + /* jot down why and on what closure we are blocked */ + CurrentTSO->why_blocked = BlockedOnBlackHole; + CurrentTSO->block_info.closure = R1.cl; +#ifdef SMP + ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info; +#endif + + /* PAR: dumping of event now done in blockThread -- HWL */ /* stg_gen_block is too heavyweight, use a specialised one */ BLOCK_NP(1); FE_ } +/* + Revertible black holes are needed in the parallel world, to handle + negative acknowledgements of messages containing updatable closures. + The idea is that when the original message is transmitted, the closure + is turned into a revertible black hole...an object which acts like a + black hole when local threads try to enter it, but which can be reverted + back to the original closure if necessary. + + It's actually a lot like a blocking queue (BQ) entry, because revertible + black holes are initially set up with an empty blocking queue. +*/ + +#if defined(PAR) || defined(GRAN) + +INFO_TABLE(RBH_info, RBH_entry,1,1,RBH,,EF_,0,0); +STGFUN(RBH_entry) +{ + FB_ +# if defined(GRAN) + /* mainly statistics gathering for GranSim simulation */ + STGCALL3(GranSimBlock,CurrentTSO,CurrentProc,(StgClosure *)R1.p /*Node*/); +# endif + + /* exactly the same as a BLACKHOLE_BQ_entry -- HWL */ + /* Put ourselves on the blocking queue for this black hole */ + CurrentTSO->link = ((StgBlockingQueue *)R1.p)->blocking_queue; + ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO; + /* jot down why and on what closure we are blocked */ + CurrentTSO->why_blocked = BlockedOnBlackHole; + CurrentTSO->block_info.closure = R1.cl; + + /* PAR: dumping of event now done in blockThread -- HWL */ + + /* stg_gen_block is too heavyweight, use a specialised one */ + BLOCK_NP(1); + FE_ +} + +INFO_TABLE(RBH_Save_0_info, RBH_Save_0_entry,0,2,CONSTR,,EF_,0,0); +NON_ENTERABLE_ENTRY_CODE(RBH_Save_0); + +INFO_TABLE(RBH_Save_1_info, RBH_Save_1_entry,1,1,CONSTR,,EF_,0,0); +NON_ENTERABLE_ENTRY_CODE(RBH_Save_1); + +INFO_TABLE(RBH_Save_2_info, RBH_Save_2_entry,2,0,CONSTR,,EF_,0,0); +NON_ENTERABLE_ENTRY_CODE(RBH_Save_2); +#endif /* defined(PAR) || defined(GRAN) */ + /* identical to BLACKHOLEs except for the infotag */ -INFO_TABLE(CAF_BLACKHOLE_info, CAF_BLACKHOLE_entry,0,2,CAF_BLACKHOLE,,EF_,0,0); +INFO_TABLE(CAF_BLACKHOLE_info, CAF_BLACKHOLE_entry,0,2,CAF_BLACKHOLE,,EF_,"CAF_BLACKHOLE","CAF_BLACKHOLE"); STGFUN(CAF_BLACKHOLE_entry) { FB_ +#if defined(GRAN) + /* mainly statistics gathering for GranSim simulation */ + STGCALL3(GranSimBlock,CurrentTSO,CurrentProc,(StgClosure *)R1.p /*Node*/); +#endif + +#ifdef SMP + { + bdescr *bd = Bdescr(R1.p); + if (bd->back != (bdescr *)BaseReg) { + if (bd->gen->no >= 1 || bd->step->no >= 1) { + CMPXCHG(R1.cl->header.info, &CAF_BLACKHOLE_info, &WHITEHOLE_info); + } else { + EXTFUN_RTS(stg_gc_enter_1_hponly); + JMP_(stg_gc_enter_1_hponly); + } + } + } +#endif + TICK_ENT_BH(); - /* Change the BLACKHOLE into a BLACKHOLE_BQ */ - ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info; /* Put ourselves on the blocking queue for this black hole */ - CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure; +#if defined(GRAN) || defined(PAR) + /* in fact, only difference is the type of the end-of-queue marker! */ + CurrentTSO->link = END_BQ_QUEUE; + ((StgBlockingQueue *)R1.p)->blocking_queue = (StgBlockingQueueElement *)CurrentTSO; +#else + CurrentTSO->link = END_TSO_QUEUE; ((StgBlockingQueue *)R1.p)->blocking_queue = CurrentTSO; - CurrentTSO->blocked_on = R1.cl; +#endif + /* jot down why and on what closure we are blocked */ + CurrentTSO->why_blocked = BlockedOnBlackHole; + CurrentTSO->block_info.closure = R1.cl; + /* closure is mutable since something has just been added to its BQ */ recordMutable((StgMutClosure *)R1.cl); + /* Change the CAF_BLACKHOLE into a BLACKHOLE_BQ */ + ((StgBlockingQueue *)R1.p)->header.info = &BLACKHOLE_BQ_info; + + /* PAR: dumping of event now done in blockThread -- HWL */ /* stg_gen_block is too heavyweight, use a specialised one */ BLOCK_NP(1); @@ -235,10 +392,8 @@ INFO_TABLE(SE_BLACKHOLE_info, SE_BLACKHOLE_entry,0,2,SE_BLACKHOLE,,EF_,0,0); STGFUN(SE_BLACKHOLE_entry) { FB_ - STGCALL1(fflush,stdout); STGCALL3(fprintf,stderr,"SE_BLACKHOLE at %p entered!\n",R1.p); - STGCALL1(raiseError, errorHandler); - stg_exit(EXIT_FAILURE); /* not executed */ + STGCALL1(shutdownHaskellAndExit,EXIT_FAILURE); FE_ } @@ -246,10 +401,18 @@ INFO_TABLE(SE_CAF_BLACKHOLE_info, SE_CAF_BLACKHOLE_entry,0,2,SE_CAF_BLACKHOLE,,E STGFUN(SE_CAF_BLACKHOLE_entry) { FB_ - STGCALL1(fflush,stdout); STGCALL3(fprintf,stderr,"SE_CAF_BLACKHOLE at %p entered!\n",R1.p); - STGCALL1(raiseError, errorHandler); - stg_exit(EXIT_FAILURE); /* not executed */ + STGCALL1(shutdownHaskellAndExit,EXIT_FAILURE); + FE_ +} +#endif + +#ifdef SMP +INFO_TABLE(WHITEHOLE_info, WHITEHOLE_entry,0,2,CONSTR_NOCAF_STATIC,,EF_,0,0); +STGFUN(WHITEHOLE_entry) +{ + FB_ + JMP_(GET_ENTRY(R1.cl)); FE_ } #endif @@ -257,7 +420,7 @@ STGFUN(SE_CAF_BLACKHOLE_entry) /* ----------------------------------------------------------------------------- The code for a BCO returns to the scheduler -------------------------------------------------------------------------- */ -INFO_TABLE(BCO_info,BCO_entry,0,0,BCO,,EF_,0,0); +INFO_TABLE(BCO_info,BCO_entry,0,0,BCO,,EF_,"BCO","BCO"); EF_(BCO_entry) { FB_ Sp -= 1; @@ -269,20 +432,10 @@ EF_(BCO_entry) { /* ----------------------------------------------------------------------------- Some static info tables for things that don't get entered, and therefore don't need entry code (i.e. boxed but unpointed objects) + NON_ENTERABLE_ENTRY_CODE now defined at the beginning of the file -------------------------------------------------------------------------- */ -#define NON_ENTERABLE_ENTRY_CODE(type) \ -STGFUN(type##_entry) \ -{ \ - FB_ \ - STGCALL1(fflush,stdout); \ - STGCALL2(fprintf,stderr,#type " object entered!\n"); \ - STGCALL1(raiseError, errorHandler); \ - stg_exit(EXIT_FAILURE); /* not executed */ \ - FE_ \ -} - -INFO_TABLE(TSO_info, TSO_entry, 0,0,TSO,,EF_,0,0); +INFO_TABLE(TSO_info, TSO_entry, 0,0,TSO,,EF_,"TSO","TSO"); NON_ENTERABLE_ENTRY_CODE(TSO); /* ----------------------------------------------------------------------------- @@ -301,10 +454,10 @@ NON_ENTERABLE_ENTRY_CODE(EVACUATED); live weak pointers with dead ones). -------------------------------------------------------------------------- */ -INFO_TABLE(WEAK_info,WEAK_entry,0,4,WEAK,,EF_,0,0); +INFO_TABLE(WEAK_info,WEAK_entry,0,4,WEAK,,EF_,"WEAK","WEAK"); NON_ENTERABLE_ENTRY_CODE(WEAK); -INFO_TABLE_CONSTR(DEAD_WEAK_info,DEAD_WEAK_entry,0,1,0,CONSTR,,EF_,0,0); +INFO_TABLE_CONSTR(DEAD_WEAK_info,DEAD_WEAK_entry,0,1,0,CONSTR,,EF_,"DEAD_WEAK","DEAD_WEAK"); NON_ENTERABLE_ENTRY_CODE(DEAD_WEAK); /* ----------------------------------------------------------------------------- @@ -318,20 +471,20 @@ INFO_TABLE_CONSTR(NO_FINALIZER_info,NO_FINALIZER_entry,0,0,0,CONSTR_NOCAF_STATIC NON_ENTERABLE_ENTRY_CODE(NO_FINALIZER); SET_STATIC_HDR(NO_FINALIZER_closure,NO_FINALIZER_info,0/*CC*/,,EI_) -}; +, /*payload*/{} }; /* ----------------------------------------------------------------------------- Foreign Objects are unlifted and therefore never entered. -------------------------------------------------------------------------- */ -INFO_TABLE(FOREIGN_info,FOREIGN_entry,0,1,FOREIGN,,EF_,0,0); +INFO_TABLE(FOREIGN_info,FOREIGN_entry,0,1,FOREIGN,,EF_,"FOREIGN","FOREIGN"); NON_ENTERABLE_ENTRY_CODE(FOREIGN); /* ----------------------------------------------------------------------------- Stable Names are unlifted too. -------------------------------------------------------------------------- */ -INFO_TABLE(STABLE_NAME_info,STABLE_NAME_entry,0,1,STABLE_NAME,,EF_,0,0); +INFO_TABLE(STABLE_NAME_info,STABLE_NAME_entry,0,1,STABLE_NAME,,EF_,"STABLE_NAME","STABLE_NAME"); NON_ENTERABLE_ENTRY_CODE(STABLE_NAME); /* ----------------------------------------------------------------------------- @@ -341,10 +494,10 @@ NON_ENTERABLE_ENTRY_CODE(STABLE_NAME); and entry code for each type. -------------------------------------------------------------------------- */ -INFO_TABLE(FULL_MVAR_info,FULL_MVAR_entry,4,0,MVAR,,EF_,0,0); +INFO_TABLE(FULL_MVAR_info,FULL_MVAR_entry,4,0,MVAR,,EF_,"MVAR","MVAR"); NON_ENTERABLE_ENTRY_CODE(FULL_MVAR); -INFO_TABLE(EMPTY_MVAR_info,EMPTY_MVAR_entry,4,0,MVAR,,EF_,0,0); +INFO_TABLE(EMPTY_MVAR_info,EMPTY_MVAR_entry,4,0,MVAR,,EF_,"MVAR","MVAR"); NON_ENTERABLE_ENTRY_CODE(EMPTY_MVAR); /* ----------------------------------------------------------------------------- @@ -358,7 +511,7 @@ INFO_TABLE_CONSTR(END_TSO_QUEUE_info,END_TSO_QUEUE_entry,0,0,0,CONSTR_NOCAF_STAT NON_ENTERABLE_ENTRY_CODE(END_TSO_QUEUE); SET_STATIC_HDR(END_TSO_QUEUE_closure,END_TSO_QUEUE_info,0/*CC*/,,EI_) -}; +, /*payload*/{} }; /* ----------------------------------------------------------------------------- Mutable lists @@ -372,12 +525,25 @@ INFO_TABLE_CONSTR(END_MUT_LIST_info,END_MUT_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC NON_ENTERABLE_ENTRY_CODE(END_MUT_LIST); SET_STATIC_HDR(END_MUT_LIST_closure,END_MUT_LIST_info,0/*CC*/,,EI_) -}; +, /*payload*/{} }; INFO_TABLE(MUT_CONS_info, MUT_CONS_entry, 1, 1, MUT_VAR, , EF_, 0, 0); NON_ENTERABLE_ENTRY_CODE(MUT_CONS); /* ----------------------------------------------------------------------------- + Exception lists + -------------------------------------------------------------------------- */ + +INFO_TABLE_CONSTR(END_EXCEPTION_LIST_info,END_EXCEPTION_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,0,0); +NON_ENTERABLE_ENTRY_CODE(END_EXCEPTION_LIST); + +SET_STATIC_HDR(END_EXCEPTION_LIST_closure,END_EXCEPTION_LIST_info,0/*CC*/,,EI_) +, /*payload*/{} }; + +INFO_TABLE(EXCEPTION_CONS_info, EXCEPTION_CONS_entry, 1, 1, CONSTR, , EF_, 0, 0); +NON_ENTERABLE_ENTRY_CODE(EXCEPTION_CONS); + +/* ----------------------------------------------------------------------------- Arrays These come in two basic flavours: arrays of data (StgArrWords) and arrays of @@ -393,7 +559,7 @@ NON_ENTERABLE_ENTRY_CODE(MUT_CONS); -------------------------------------------------------------------------- */ #define ArrayInfo(type) \ -INFO_TABLE(type##_info, type##_entry, 0, 0, type, , EF_,0,0); +INFO_TABLE(type##_info, type##_entry, 0, 0, type, , EF_,"" # type "","" # type ""); ArrayInfo(ARR_WORDS); NON_ENTERABLE_ENTRY_CODE(ARR_WORDS); @@ -408,7 +574,7 @@ NON_ENTERABLE_ENTRY_CODE(MUT_ARR_PTRS_FROZEN); Mutable Variables -------------------------------------------------------------------------- */ -INFO_TABLE(MUT_VAR_info, MUT_VAR_entry, 1, 1, MUT_VAR, , EF_, 0, 0); +INFO_TABLE(MUT_VAR_info, MUT_VAR_entry, 1, 1, MUT_VAR, , EF_, "MUT_VAR", "MUT_VAR"); NON_ENTERABLE_ENTRY_CODE(MUT_VAR); /* ----------------------------------------------------------------------------- @@ -421,10 +587,9 @@ NON_ENTERABLE_ENTRY_CODE(MUT_VAR); STGFUN(stg_error_entry) \ { \ FB_ \ - STGCALL1(fflush,stdout); \ - STGCALL2(fprintf,stderr,"fatal: stg_error_entry"); \ - STGCALL1(raiseError, errorHandler); \ - exit(EXIT_FAILURE); /* not executed */ \ + DUMP_ERRMSG("fatal: stg_error_entry"); \ + STGCALL1(shutdownHaskellAndExit, EXIT_FAILURE); \ + return NULL; \ FE_ \ } @@ -446,8 +611,64 @@ FN_(dummy_ret_entry) JMP_(ENTRY_CODE(ret_addr)); FE_ } -SET_STATIC_HDR(dummy_ret_closure,dummy_ret_info,CCS_DONTZuCARE,,EI_) -}; +SET_STATIC_HDR(dummy_ret_closure,dummy_ret_info,CCS_DONT_CARE,,EI_) +, /*payload*/{} }; + +/* ----------------------------------------------------------------------------- + Strict IO application - performing an IO action and entering its result. + + rts_evalIO() lets you perform Haskell IO actions from outside of Haskell-land, + returning back to you their result. Want this result to be evaluated to WHNF + by that time, so that we can easily get at the int/char/whatever using the + various get{Ty} functions provided by the RTS API. + + forceIO takes care of this, performing the IO action and entering the + results that comes back. + + * -------------------------------------------------------------------------- */ + +#ifdef REG_R1 +INFO_TABLE_SRT_BITMAP(forceIO_ret_info,forceIO_ret_entry,0,0,0,0,RET_SMALL,,EF_,0,0); +FN_(forceIO_ret_entry) +{ + FB_ + Sp++; + Sp -= sizeofW(StgSeqFrame); + PUSH_SEQ_FRAME(Sp); + JMP_(GET_ENTRY(R1.cl)); +} +#else +INFO_TABLE_SRT_BITMAP(forceIO_ret_info,forceIO_ret_entry,0,0,0,0,RET_SMALL,,EF_,0,0); +FN_(forceIO_ret_entry) +{ + StgClosure *rval; + FB_ + rval = (StgClosure *)Sp[0]; + Sp += 2; + Sp -= sizeofW(StgSeqFrame); + PUSH_SEQ_FRAME(Sp); + R1.cl = rval; + JMP_(GET_ENTRY(R1.cl)); +} +#endif + +INFO_TABLE(forceIO_info,forceIO_entry,1,0,FUN_STATIC,,EF_,0,0); +FN_(forceIO_entry) +{ + FB_ + /* Sp[0] contains the IO action we want to perform */ + R1.p = (P_)Sp[0]; + /* Replace it with the return continuation that enters the result. */ + Sp[0] = (W_)&forceIO_ret_info; + Sp--; + /* Push the RealWorld# tag and enter */ + Sp[0] =(W_)REALWORLD_TAG; + JMP_(GET_ENTRY(R1.cl)); + FE_ +} +SET_STATIC_HDR(forceIO_closure,forceIO_info,CCS_DONT_CARE,,EI_) +, /*payload*/{} }; + /* ----------------------------------------------------------------------------- Standard Infotables (for use in interpreter) @@ -457,10 +678,8 @@ SET_STATIC_HDR(dummy_ret_closure,dummy_ret_info,CCS_DONTZuCARE,,EI_) STGFUN(Hugs_CONSTR_entry) { - Sp -= 1; - ((StgPtr*)Sp)[0] = R1.p; - /* vectored: JMP_(RET_VEC(((StgPtr*)Sp)[1],constrTag(?))); */ - JMP_(ENTRY_CODE(((StgPtr*)Sp)[1])); + /* R1 points at the constructor */ + JMP_(ENTRY_CODE(((StgPtr*)Sp)[0])); } #define RET_BCO_ENTRY_TEMPLATE(label) \ @@ -483,35 +702,10 @@ RET_BCO_ENTRY_TEMPLATE(ret_bco_5_entry); RET_BCO_ENTRY_TEMPLATE(ret_bco_6_entry); RET_BCO_ENTRY_TEMPLATE(ret_bco_7_entry); -VEC_POLY_INFO_TABLE(ret_bco,0, NULL/*srt*/, 0/*srt_off*/, 0/*srt_len*/, RET_BCO); +VEC_POLY_INFO_TABLE(ret_bco,0, NULL/*srt*/, 0/*srt_off*/, 0/*srt_len*/, RET_BCO,, EF_); #endif /* INTERPRETER */ -#ifndef COMPILER - -INFO_TABLE_CONSTR(Czh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR,,EF_,0,0); -INFO_TABLE_CONSTR(Izh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR,,EF_,0,0); -INFO_TABLE_CONSTR(I64zh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR,,EF_,0,0); -INFO_TABLE_CONSTR(Fzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR,,EF_,0,0); -INFO_TABLE_CONSTR(Dzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR,,EF_,0,0); -INFO_TABLE_CONSTR(Azh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR,,EF_,0,0); -INFO_TABLE_CONSTR(Wzh_con_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR,,EF_,0,0); -INFO_TABLE_CONSTR(StablePtr_con_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR,,EF_,0,0); - -/* These might seem redundant but {I,C}zh_static_info are used in - * {INT,CHAR}LIKE and the rest are used in RtsAPI.c - */ -INFO_TABLE_CONSTR(Czh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgChar),0,CONSTR_NOCAF_STATIC,,EF_,0,0); -INFO_TABLE_CONSTR(Izh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt),0,CONSTR_NOCAF_STATIC,,EF_,0,0); -INFO_TABLE_CONSTR(I64zh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgInt64),0,CONSTR_NOCAF_STATIC,,EF_,0,0); -INFO_TABLE_CONSTR(Fzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgFloat),0,CONSTR_NOCAF_STATIC,,EF_,0,0); -INFO_TABLE_CONSTR(Dzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgDouble),0,CONSTR_NOCAF_STATIC,,EF_,0,0); -INFO_TABLE_CONSTR(Azh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgAddr),0,CONSTR_NOCAF_STATIC,,EF_,0,0); -INFO_TABLE_CONSTR(Wzh_static_info,Hugs_CONSTR_entry,0,sizeofW(StgWord),0,CONSTR_NOCAF_STATIC,,EF_,0,0); -INFO_TABLE_CONSTR(StablePtr_static_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr),0,CONSTR_NOCAF_STATIC,,EF_,0,0); - -#endif /* !defined(COMPILER) */ - /* ----------------------------------------------------------------------------- CHARLIKE and INTLIKE closures. @@ -520,7 +714,7 @@ INFO_TABLE_CONSTR(StablePtr_static_info,Hugs_CONSTR_entry,0,sizeofW(StgStablePtr replace them with references to the static objects. -------------------------------------------------------------------------- */ -#ifdef ENABLE_WIN32_DLL_SUPPORT +#if defined(INTERPRETER) || defined(ENABLE_WIN32_DLL_SUPPORT) /* * When sticking the RTS in a DLL, we delay populating the * Charlike and Intlike tables until load-time, which is only @@ -532,21 +726,21 @@ static INFO_TBL_CONST StgInfoTable izh_static_info; #define Char_hash_static_info czh_static_info #define Int_hash_static_info izh_static_info #else -#define Char_hash_static_info Czh_static_info -#define Int_hash_static_info Izh_static_info +#define Char_hash_static_info PrelBase_Czh_static_info +#define Int_hash_static_info PrelBase_Izh_static_info #endif #define CHARLIKE_HDR(n) \ { \ STATIC_HDR(Char_hash_static_info, /* C# */ \ - CCS_DONTZuCARE), \ + CCS_DONT_CARE), \ data : n \ } #define INTLIKE_HDR(n) \ { \ STATIC_HDR(Int_hash_static_info, /* I# */ \ - CCS_DONTZuCARE), \ + CCS_DONT_CARE), \ data : n \ }