X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FStgMiscClosures.hc;h=13a8809a9b2c0b420cc937c3a35fb2283a11a595;hb=0e6a76a1182be8336cfaaa6bf482c57a89193372;hp=9fced45f2f71fdefa2afafa99d5b1106bad26f0c;hpb=50027272414438955dbc41696541cbd25da55883;p=ghc-hetmet.git diff --git a/ghc/rts/StgMiscClosures.hc b/ghc/rts/StgMiscClosures.hc index 9fced45..13a8809 100644 --- a/ghc/rts/StgMiscClosures.hc +++ b/ghc/rts/StgMiscClosures.hc @@ -1,5 +1,5 @@ /* ----------------------------------------------------------------------------- - * $Id: StgMiscClosures.hc,v 1.66 2001/03/23 16:36:21 simonmar Exp $ + * $Id: StgMiscClosures.hc,v 1.80 2002/09/17 12:34:31 simonmar Exp $ * * (c) The GHC Team, 1998-2000 * @@ -12,7 +12,6 @@ #include "RtsUtils.h" #include "RtsFlags.h" #include "StgMiscClosures.h" -#include "HeapStackCheck.h" /* for stg_gen_yield */ #include "Storage.h" #include "StoragePriv.h" #include "Profiling.h" @@ -24,8 +23,8 @@ # include "StgRun.h" /* for StgReturn and register saving */ #endif -#ifdef HAVE_STDIO_H -#include +#ifdef HAVE_STDLIB_H +#include #endif /* ToDo: make the printing of panics more win32-friendly, i.e., @@ -37,14 +36,12 @@ Template for the entry code of non-enterable closures. */ -#define NON_ENTERABLE_ENTRY_CODE(type) \ -STGFUN(stg_##type##_entry) \ -{ \ - FB_ \ - DUMP_ERRMSG(#type " object entered!\n"); \ - STGCALL1(shutdownHaskellAndExit, EXIT_FAILURE); \ - return NULL; \ - FE_ \ +#define NON_ENTERABLE_ENTRY_CODE(type) \ +STGFUN(stg_##type##_entry) \ +{ \ + FB_ \ + STGCALL1(barf, #type " object entered!\n"); \ + FE_ \ } @@ -289,26 +286,25 @@ STGFUN(stg_BCO_entry) { Entry code for an indirection. -------------------------------------------------------------------------- */ -INFO_TABLE(stg_IND_info,stg_IND_entry,1,0,IND,,EF_,0,0); +INFO_TABLE(stg_IND_info,stg_IND_entry,1,0,IND,,EF_,"IND","IND"); STGFUN(stg_IND_entry) { FB_ - TICK_ENT_IND(Node); /* tick */ - + TICK_ENT_DYN_IND(Node); /* tick */ R1.p = (P_) ((StgInd*)R1.p)->indirectee; TICK_ENT_VIA_NODE(); - JMP_(ENTRY_CODE(*R1.p)); + JMP_(GET_ENTRY(R1.cl)); FE_ } -INFO_TABLE(stg_IND_STATIC_info,stg_IND_STATIC_entry,1,0,IND_STATIC,,EF_,0,0); +INFO_TABLE(stg_IND_STATIC_info,stg_IND_STATIC_entry,1,0,IND_STATIC,,EF_,"IND_STATIC","IND_STATIC"); STGFUN(stg_IND_STATIC_entry) { FB_ - TICK_ENT_IND(Node); /* tick */ + TICK_ENT_STATIC_IND(Node); /* tick */ R1.p = (P_) ((StgIndStatic*)R1.p)->indirectee; TICK_ENT_VIA_NODE(); - JMP_(ENTRY_CODE(*R1.p)); + JMP_(GET_ENTRY(R1.cl)); FE_ } @@ -317,13 +313,15 @@ STGFUN(stg_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 */ + /* Dont: TICK_ENT_STATIC_IND(Node); for ticky-ticky; this ind is here only to help profiling */ #if defined(TICKY_TICKY) && !defined(PROFILING) /* TICKY_TICKY && !PROFILING means PERM_IND *replaces* an IND, rather than being extra */ TICK_ENT_PERM_IND(R1.p); /* tick */ #endif + LDV_ENTER((StgInd *)R1.p); + /* Enter PAP cost centre -- lexical scoping only */ ENTER_CCS_PAP_CL(R1.cl); @@ -350,33 +348,34 @@ STGFUN(stg_IND_PERM_entry) TICK_ENT_VIA_NODE(); #endif - JMP_(ENTRY_CODE(*R1.p)); + JMP_(GET_ENTRY(R1.cl)); FE_ } -INFO_TABLE(stg_IND_OLDGEN_info,stg_IND_OLDGEN_entry,1,1,IND_OLDGEN,,EF_,0,0); +INFO_TABLE(stg_IND_OLDGEN_info,stg_IND_OLDGEN_entry,1,1,IND_OLDGEN,,EF_,"IND_OLDGEN","IND_OLDGEN"); STGFUN(stg_IND_OLDGEN_entry) { FB_ - TICK_ENT_IND(Node); /* tick */ - + TICK_ENT_STATIC_IND(Node); /* tick */ R1.p = (P_) ((StgInd*)R1.p)->indirectee; TICK_ENT_VIA_NODE(); - JMP_(ENTRY_CODE(*R1.p)); + JMP_(GET_ENTRY(R1.cl)); FE_ } -INFO_TABLE(stg_IND_OLDGEN_PERM_info,stg_IND_OLDGEN_PERM_entry,1,1,IND_OLDGEN_PERM,,EF_,0,0); +INFO_TABLE(stg_IND_OLDGEN_PERM_info,stg_IND_OLDGEN_PERM_entry,1,1,IND_OLDGEN_PERM,,EF_,"IND_OLDGEN_PERM","IND_OLDGEN_PERM"); STGFUN(stg_IND_OLDGEN_PERM_entry) { FB_ - /* Dont: TICK_ENT_IND(Node); for ticky-ticky; this ind is here only to help profiling */ + /* Dont: TICK_ENT_STATIC_IND(Node); for ticky-ticky; this ind is here only to help profiling */ #if defined(TICKY_TICKY) && !defined(PROFILING) /* TICKY_TICKY && !PROFILING means PERM_IND *replaces* an IND, rather than being extra */ TICK_ENT_PERM_IND(R1.p); /* tick */ #endif - + + LDV_ENTER((StgInd *)R1.p); + /* Enter PAP cost centre -- lexical scoping only */ ENTER_CCS_PAP_CL(R1.cl); @@ -390,7 +389,7 @@ STGFUN(stg_IND_OLDGEN_PERM_entry) R1.p = (P_) ((StgInd*)R1.p)->indirectee; TICK_ENT_VIA_NODE(); - JMP_(ENTRY_CODE(*R1.p)); + JMP_(GET_ENTRY(R1.cl)); FE_ } @@ -422,8 +421,8 @@ STGFUN(stg_BLACKHOLE_entry) #ifdef SMP { bdescr *bd = Bdescr(R1.p); - if (bd->back != (bdescr *)BaseReg) { - if (bd->gen->no >= 1 || bd->step->no >= 1) { + if (bd->u.back != (bdescr *)BaseReg) { + if (bd->gen_no >= 1 || bd->step->no >= 1) { CMPXCHG(R1.cl->header.info, &stg_BLACKHOLE_info, &stg_WHITEHOLE_info); } else { EXTFUN_RTS(stg_gc_enter_1_hponly); @@ -434,28 +433,43 @@ STGFUN(stg_BLACKHOLE_entry) #endif TICK_ENT_BH(); + // Actually this is not necessary because R1.p is about to be destroyed. + LDV_ENTER((StgClosure *)R1.p); + /* Put ourselves on the blocking queue for this black hole */ #if defined(GRAN) || defined(PAR) - /* in fact, only difference is the type of the end-of-queue marker! */ + // 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; #endif - /* jot down why and on what closure we are blocked */ + // 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 */ +#ifdef PROFILING + + // The size remains the same, so we call LDV_recordDead() - no need to fill slop. + LDV_recordDead((StgClosure *)R1.p, BLACKHOLE_sizeW()); +#endif + // + // Todo: maybe use SET_HDR() and remove LDV_recordCreate()? + // ((StgBlockingQueue *)R1.p)->header.info = &stg_BLACKHOLE_BQ_info; +#ifdef PROFILING + LDV_recordCreate((StgClosure *)R1.p); +#endif - /* PAR: dumping of event now done in blockThread -- HWL */ + // closure is mutable since something has just been added to its BQ + recordMutable((StgMutClosure *)R1.cl); - /* stg_gen_block is too heavyweight, use a specialised one */ - BLOCK_NP(1); + // PAR: dumping of event now done in blockThread -- HWL + // stg_gen_block is too heavyweight, use a specialised one + BLOCK_NP(1); FE_ } @@ -471,8 +485,8 @@ STGFUN(stg_BLACKHOLE_BQ_entry) #ifdef SMP { bdescr *bd = Bdescr(R1.p); - if (bd->back != (bdescr *)BaseReg) { - if (bd->gen->no >= 1 || bd->step->no >= 1) { + if (bd->u.back != (bdescr *)BaseReg) { + if (bd->gen_no >= 1 || bd->step->no >= 1) { CMPXCHG(R1.cl->header.info, &stg_BLACKHOLE_info, &stg_WHITEHOLE_info); } else { EXTFUN_RTS(stg_gc_enter_1_hponly); @@ -483,6 +497,7 @@ STGFUN(stg_BLACKHOLE_BQ_entry) #endif TICK_ENT_BH(); + LDV_ENTER((StgClosure *)R1.p); /* Put ourselves on the blocking queue for this black hole */ CurrentTSO->link = ((StgBlockingQueue *)R1.p)->blocking_queue; @@ -515,7 +530,7 @@ STGFUN(stg_BLACKHOLE_BQ_entry) #if defined(PAR) || defined(GRAN) -INFO_TABLE(stg_RBH_info, stg_RBH_entry,1,1,RBH,,EF_,0,0); +INFO_TABLE(stg_RBH_info, stg_RBH_entry,1,1,RBH,,EF_,"RBH","RBH"); STGFUN(stg_RBH_entry) { FB_ @@ -539,13 +554,13 @@ STGFUN(stg_RBH_entry) FE_ } -INFO_TABLE(stg_RBH_Save_0_info, stg_RBH_Save_0_entry,0,2,CONSTR,,EF_,0,0); +INFO_TABLE(stg_RBH_Save_0_info, stg_RBH_Save_0_entry,0,2,CONSTR,,EF_,"RBH_Save_0","RBH_Save_0"); NON_ENTERABLE_ENTRY_CODE(RBH_Save_0); -INFO_TABLE(stg_RBH_Save_1_info, stg_RBH_Save_1_entry,1,1,CONSTR,,EF_,0,0); +INFO_TABLE(stg_RBH_Save_1_info, stg_RBH_Save_1_entry,1,1,CONSTR,,EF_,"RBH_Save_1","RBH_Save_1"); NON_ENTERABLE_ENTRY_CODE(RBH_Save_1); -INFO_TABLE(stg_RBH_Save_2_info, stg_RBH_Save_2_entry,2,0,CONSTR,,EF_,0,0); +INFO_TABLE(stg_RBH_Save_2_info, stg_RBH_Save_2_entry,2,0,CONSTR,,EF_,"RBH_Save_2","RBH_Save_2"); NON_ENTERABLE_ENTRY_CODE(RBH_Save_2); #endif /* defined(PAR) || defined(GRAN) */ @@ -562,8 +577,8 @@ STGFUN(stg_CAF_BLACKHOLE_entry) #ifdef SMP { bdescr *bd = Bdescr(R1.p); - if (bd->back != (bdescr *)BaseReg) { - if (bd->gen->no >= 1 || bd->step->no >= 1) { + if (bd->u.back != (bdescr *)BaseReg) { + if (bd->gen_no >= 1 || bd->step->no >= 1) { CMPXCHG(R1.cl->header.info, &stg_CAF_BLACKHOLE_info, &stg_WHITEHOLE_info); } else { EXTFUN_RTS(stg_gc_enter_1_hponly); @@ -574,33 +589,36 @@ STGFUN(stg_CAF_BLACKHOLE_entry) #endif TICK_ENT_BH(); + LDV_ENTER((StgClosure *)R1.p); - /* Put ourselves on the blocking queue for this black hole */ + // Put ourselves on the blocking queue for this black hole #if defined(GRAN) || defined(PAR) - /* in fact, only difference is the type of the end-of-queue marker! */ + // 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; #endif - /* jot down why and on what closure we are blocked */ + // 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_STATIC */ + + // Change the CAF_BLACKHOLE into a BLACKHOLE_BQ_STATIC ((StgBlockingQueue *)R1.p)->header.info = &stg_BLACKHOLE_BQ_info; - /* PAR: dumping of event now done in blockThread -- HWL */ + // closure is mutable since something has just been added to its BQ + recordMutable((StgMutClosure *)R1.cl); - /* stg_gen_block is too heavyweight, use a specialised one */ + // PAR: dumping of event now done in blockThread -- HWL + + // stg_gen_block is too heavyweight, use a specialised one BLOCK_NP(1); FE_ } #ifdef TICKY_TICKY -INFO_TABLE(stg_SE_BLACKHOLE_info, stg_SE_BLACKHOLE_entry,0,2,SE_BLACKHOLE,,EF_,0,0); +INFO_TABLE(stg_SE_BLACKHOLE_info, stg_SE_BLACKHOLE_entry,0,2,SE_BLACKHOLE,,EF_,"SE_BLACKHOLE","SE_BLACKHOLE"); STGFUN(stg_SE_BLACKHOLE_entry) { FB_ @@ -609,7 +627,7 @@ STGFUN(stg_SE_BLACKHOLE_entry) FE_ } -INFO_TABLE(SE_CAF_BLACKHOLE_info, SE_CAF_BLACKHOLE_entry,0,2,SE_CAF_BLACKHOLE,,EF_,0,0); +INFO_TABLE(stg_SE_CAF_BLACKHOLE_info, SE_CAF_BLACKHOLE_entry,0,2,SE_CAF_BLACKHOLE,,EF_,"CAF_BLACKHOLE","CAF_BLACKHOLE"); STGFUN(stg_SE_CAF_BLACKHOLE_entry) { FB_ @@ -620,7 +638,7 @@ STGFUN(stg_SE_CAF_BLACKHOLE_entry) #endif #ifdef SMP -INFO_TABLE(stg_WHITEHOLE_info, stg_WHITEHOLE_entry,0,2,CONSTR_NOCAF_STATIC,,EF_,0,0); +INFO_TABLE(stg_WHITEHOLE_info, stg_WHITEHOLE_entry,0,2,CONSTR_NOCAF_STATIC,,EF_,"WHITEHOLE","WHITEHOLE"); STGFUN(stg_WHITEHOLE_entry) { FB_ @@ -643,7 +661,7 @@ NON_ENTERABLE_ENTRY_CODE(TSO); one is a real bug. -------------------------------------------------------------------------- */ -INFO_TABLE(stg_EVACUATED_info,stg_EVACUATED_entry,1,0,EVACUATED,,EF_,0,0); +INFO_TABLE(stg_EVACUATED_info,stg_EVACUATED_entry,1,0,EVACUATED,,EF_,"EVACUATED","EVACUATED"); NON_ENTERABLE_ENTRY_CODE(EVACUATED); /* ----------------------------------------------------------------------------- @@ -657,7 +675,12 @@ NON_ENTERABLE_ENTRY_CODE(EVACUATED); INFO_TABLE(stg_WEAK_info,stg_WEAK_entry,0,4,WEAK,,EF_,"WEAK","WEAK"); NON_ENTERABLE_ENTRY_CODE(WEAK); -INFO_TABLE_CONSTR(stg_DEAD_WEAK_info,stg_DEAD_WEAK_entry,0,1,0,CONSTR,,EF_,"DEAD_WEAK","DEAD_WEAK"); +// It's important when turning an existing WEAK into a DEAD_WEAK +// (which is what finalizeWeak# does) that we don't lose the link +// field and break the linked list of weak pointers. Hence, we give +// DEAD_WEAK 4 non-pointer fields, the same as WEAK. + +INFO_TABLE_CONSTR(stg_DEAD_WEAK_info,stg_DEAD_WEAK_entry,0,4,0,CONSTR,,EF_,"DEAD_WEAK","DEAD_WEAK"); NON_ENTERABLE_ENTRY_CODE(DEAD_WEAK); /* ----------------------------------------------------------------------------- @@ -667,7 +690,7 @@ NON_ENTERABLE_ENTRY_CODE(DEAD_WEAK); finalizer in a weak pointer object. -------------------------------------------------------------------------- */ -INFO_TABLE_CONSTR(stg_NO_FINALIZER_info,stg_NO_FINALIZER_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,0,0); +INFO_TABLE_CONSTR(stg_NO_FINALIZER_info,stg_NO_FINALIZER_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,"NO_FINALIZER","NO_FINALIZER"); NON_ENTERABLE_ENTRY_CODE(NO_FINALIZER); SET_STATIC_HDR(stg_NO_FINALIZER_closure,stg_NO_FINALIZER_info,0/*CC*/,,EI_) @@ -707,7 +730,7 @@ NON_ENTERABLE_ENTRY_CODE(EMPTY_MVAR); end of a linked TSO queue. -------------------------------------------------------------------------- */ -INFO_TABLE_CONSTR(stg_END_TSO_QUEUE_info,stg_END_TSO_QUEUE_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,0,0); +INFO_TABLE_CONSTR(stg_END_TSO_QUEUE_info,stg_END_TSO_QUEUE_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,"END_TSO_QUEUE","END_TSO_QUEUE"); NON_ENTERABLE_ENTRY_CODE(END_TSO_QUEUE); SET_STATIC_HDR(stg_END_TSO_QUEUE_closure,stg_END_TSO_QUEUE_info,0/*CC*/,,EI_) @@ -721,26 +744,26 @@ SET_STATIC_HDR(stg_END_TSO_QUEUE_closure,stg_END_TSO_QUEUE_info,0/*CC*/,,EI_) an END_MUT_LIST closure. -------------------------------------------------------------------------- */ -INFO_TABLE_CONSTR(stg_END_MUT_LIST_info,stg_END_MUT_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,0,0); +INFO_TABLE_CONSTR(stg_END_MUT_LIST_info,stg_END_MUT_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,"END_MUT_LIST","END_MUT_LIST"); NON_ENTERABLE_ENTRY_CODE(END_MUT_LIST); SET_STATIC_HDR(stg_END_MUT_LIST_closure,stg_END_MUT_LIST_info,0/*CC*/,,EI_) , /*payload*/{} }; -INFO_TABLE(stg_MUT_CONS_info, stg_MUT_CONS_entry, 1, 1, MUT_VAR, , EF_, 0, 0); +INFO_TABLE(stg_MUT_CONS_info, stg_MUT_CONS_entry, 1, 1, MUT_CONS, , EF_, "MUT_CONS", "MUT_CONS"); NON_ENTERABLE_ENTRY_CODE(MUT_CONS); /* ----------------------------------------------------------------------------- Exception lists -------------------------------------------------------------------------- */ -INFO_TABLE_CONSTR(stg_END_EXCEPTION_LIST_info,stg_END_EXCEPTION_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,0,0); +INFO_TABLE_CONSTR(stg_END_EXCEPTION_LIST_info,stg_END_EXCEPTION_LIST_entry,0,0,0,CONSTR_NOCAF_STATIC,,EF_,"END_EXCEPTION_LIST","END_EXCEPTION_LIST"); NON_ENTERABLE_ENTRY_CODE(END_EXCEPTION_LIST); SET_STATIC_HDR(stg_END_EXCEPTION_LIST_closure,stg_END_EXCEPTION_LIST_info,0/*CC*/,,EI_) , /*payload*/{} }; -INFO_TABLE(stg_EXCEPTION_CONS_info, stg_EXCEPTION_CONS_entry, 1, 1, CONSTR, , EF_, 0, 0); +INFO_TABLE(stg_EXCEPTION_CONS_info, stg_EXCEPTION_CONS_entry, 1, 1, CONSTR, , EF_, "EXCEPTION_CONS", "EXCEPTION_CONS"); NON_ENTERABLE_ENTRY_CODE(EXCEPTION_CONS); /* ----------------------------------------------------------------------------- @@ -802,7 +825,7 @@ STGFUN(stg_error_entry) \ just enter the top stack word to start the thread. (see deleteThread) * -------------------------------------------------------------------------- */ -INFO_TABLE(stg_dummy_ret_info, stg_dummy_ret_entry, 0, 0, CONSTR_NOCAF_STATIC, , EF_, 0, 0); +INFO_TABLE(stg_dummy_ret_info, stg_dummy_ret_entry, 0, 0, CONSTR_NOCAF_STATIC, , EF_, "DUMMY_RET", "DUMMY_RET"); STGFUN(stg_dummy_ret_entry) { W_ ret_addr; @@ -853,7 +876,7 @@ STGFUN(stg_forceIO_ret_entry) } #endif -INFO_TABLE(stg_forceIO_info,stg_forceIO_entry,1,0,FUN_STATIC,,EF_,0,0); +INFO_TABLE(stg_forceIO_info,stg_forceIO_entry,1,0,FUN_STATIC,,EF_,"FORCE_IO","FORCE_IO"); FN_(stg_forceIO_entry) { FB_ @@ -891,8 +914,8 @@ 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 PrelBase_Czh_static_info -#define Int_hash_static_info PrelBase_Izh_static_info +#define Char_hash_static_info GHCziBase_Czh_static_info +#define Int_hash_static_info GHCziBase_Izh_static_info #endif #define CHARLIKE_HDR(n) \