X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FPrimOps.hc;h=efb83c5fa2c92c1241aa1ec1effe8038fe1693bb;hb=1077d79639d4586e1bb9f8e20d5899c24769d424;hp=d837ad569a8d68dc79dfdd7265730579aacbc6a0;hpb=1144eacc67d57dd7a1e3eccf15971fc4036a819d;p=ghc-hetmet.git diff --git a/ghc/rts/PrimOps.hc b/ghc/rts/PrimOps.hc index d837ad5..efb83c5 100644 --- a/ghc/rts/PrimOps.hc +++ b/ghc/rts/PrimOps.hc @@ -1,7 +1,7 @@ /* ----------------------------------------------------------------------------- - * $Id: PrimOps.hc,v 1.42 2000/02/25 15:07:09 simonmar Exp $ + * $Id: PrimOps.hc,v 1.69 2001/01/25 13:30:31 simonmar Exp $ * - * (c) The GHC Team, 1998-1999 + * (c) The GHC Team, 1998-2000 * * Primitive functions / data * @@ -19,19 +19,21 @@ #include "StablePriv.h" #include "HeapStackCheck.h" #include "StgRun.h" +#include "Itimer.h" +#include "Prelude.h" /* ** temporary ** classes CCallable and CReturnable don't really exist, but the compiler insists on generating dictionaries containing references to GHC_ZcCCallable_static_info etc., so we provide dummy symbols - for these. + for these. Some C compilers can't cope with zero-length static arrays, + so we have to make these one element long. */ -W_ GHC_ZCCCallable_static_info[0]; -W_ GHC_ZCCReturnable_static_info[0]; - - +StgWord GHC_ZCCCallable_static_info[1]; +StgWord GHC_ZCCReturnable_static_info[1]; + /* ----------------------------------------------------------------------------- Macros for Hand-written primitives. -------------------------------------------------------------------------- */ @@ -183,7 +185,13 @@ W_ GHC_ZCCReturnable_static_info[0]; #else /* 0 Regs available */ #define PUSH_P(o,x) Sp[-o] = (W_)(x) + +#ifdef DEBUG #define PUSH_N(o,x) Sp[1-o] = (W_)(x); Sp[-o] = ARG_TAG(1); +#else +#define PUSH_N(o,x) Sp[1-o] = (W_)(x); +#endif + #define PUSHED(m) Sp -= (m); JMP_(ENTRY_CODE(Sp[m])); /* Here's how to construct these macros: @@ -236,33 +244,24 @@ W_ GHC_ZCCReturnable_static_info[0]; #define BYTES_TO_STGWORDS(n) ((n) + sizeof(W_) - 1)/sizeof(W_) -#define newByteArray(ty,scale) \ - FN_(new##ty##Arrayzh_fast) \ +FN_(newByteArrayzh_fast) \ { \ - W_ stuff_size, size, n; \ + W_ size, stuff_size, n; \ StgArrWords* p; \ FB_ \ - MAYBE_GC(NO_PTRS,new##ty##Arrayzh_fast); \ + MAYBE_GC(NO_PTRS,newByteArrayzh_fast); \ n = R1.w; \ - stuff_size = BYTES_TO_STGWORDS(n*scale); \ + stuff_size = BYTES_TO_STGWORDS(n); \ size = sizeofW(StgArrWords)+ stuff_size; \ p = (StgArrWords *)RET_STGCALL1(P_,allocate,size); \ TICK_ALLOC_PRIM(sizeofW(StgArrWords),stuff_size,0); \ - SET_HDR(p, &ARR_WORDS_info, CCCS); \ + SET_HDR(p, &stg_ARR_WORDS_info, CCCS); \ p->words = stuff_size; \ TICK_RET_UNBOXED_TUP(1) \ RET_P(p); \ FE_ \ } -newByteArray(Char, sizeof(C_)) -newByteArray(Int, sizeof(I_)); -newByteArray(Word, sizeof(W_)); -newByteArray(Addr, sizeof(P_)); -newByteArray(Float, sizeof(StgFloat)); -newByteArray(Double, sizeof(StgDouble)); -newByteArray(StablePtr, sizeof(StgStablePtr)); - FN_(newArrayzh_fast) { W_ size, n, init; @@ -277,7 +276,7 @@ FN_(newArrayzh_fast) arr = (StgMutArrPtrs *)RET_STGCALL1(P_, allocate, size); TICK_ALLOC_PRIM(sizeofW(StgMutArrPtrs), n, 0); - SET_HDR(arr,&MUT_ARR_PTRS_info,CCCS); + SET_HDR(arr,&stg_MUT_ARR_PTRS_info,CCCS); arr->ptrs = n; init = R2.w; @@ -302,7 +301,7 @@ FN_(newMutVarzh_fast) CCS_ALLOC(CCCS,sizeofW(StgMutVar)); mv = (StgMutVar *)(Hp-sizeofW(StgMutVar)+1); - SET_HDR(mv,&MUT_VAR_info,CCCS); + SET_HDR(mv,&stg_MUT_VAR_info,CCCS); mv->var = R1.cl; TICK_RET_UNBOXED_TUP(1); @@ -316,20 +315,20 @@ FN_(newMutVarzh_fast) -------------------------------------------------------------------------- */ #ifndef PAR -FN_(makeForeignObjzh_fast) +FN_(mkForeignObjzh_fast) { /* R1.p = ptr to foreign object, */ StgForeignObj *result; FB_ - HP_CHK_GEN_TICKY(sizeofW(StgForeignObj), NO_PTRS, makeForeignObjzh_fast,); + HP_CHK_GEN_TICKY(sizeofW(StgForeignObj), NO_PTRS, mkForeignObjzh_fast,); TICK_ALLOC_PRIM(sizeofW(StgHeader), sizeofW(StgForeignObj)-sizeofW(StgHeader), 0); CCS_ALLOC(CCCS,sizeofW(StgForeignObj)); /* ccs prof */ result = (StgForeignObj *) (Hp + 1 - sizeofW(StgForeignObj)); - SET_HDR(result,&FOREIGN_info,CCCS); + SET_HDR(result,&stg_FOREIGN_info,CCCS); result->data = R1.p; /* returns (# s#, ForeignObj# #) */ @@ -343,7 +342,7 @@ FN_(makeForeignObjzh_fast) FN_(unsafeThawArrayzh_fast) { FB_ - SET_INFO((StgClosure *)R1.cl,&MUT_ARR_PTRS_info); + SET_INFO((StgClosure *)R1.cl,&stg_MUT_ARR_PTRS_info); recordMutable((StgMutClosure*)R1.cl); TICK_RET_UNBOXED_TUP(1); @@ -367,7 +366,7 @@ FN_(mkWeakzh_fast) FB_ if (R3.cl == NULL) { - R3.cl = &NO_FINALIZER_closure; + R3.cl = &stg_NO_FINALIZER_closure; } HP_CHK_GEN_TICKY(sizeofW(StgWeak),R1_PTR|R2_PTR|R3_PTR, mkWeakzh_fast,); @@ -376,7 +375,7 @@ FN_(mkWeakzh_fast) CCS_ALLOC(CCCS,sizeofW(StgWeak)); /* ccs prof */ w = (StgWeak *) (Hp + 1 - sizeofW(StgWeak)); - SET_HDR(w, &WEAK_info, CCCS); + SET_HDR(w, &stg_WEAK_info, CCCS); w->key = R1.cl; w->value = R2.cl; @@ -402,18 +401,18 @@ FN_(finalizzeWeakzh_fast) w = (StgDeadWeak *)R1.p; /* already dead? */ - if (w->header.info == &DEAD_WEAK_info) { - RET_NP(0,&NO_FINALIZER_closure); + if (w->header.info == &stg_DEAD_WEAK_info) { + RET_NP(0,&stg_NO_FINALIZER_closure); } /* kill it */ - w->header.info = &DEAD_WEAK_info; + w->header.info = &stg_DEAD_WEAK_info; f = ((StgWeak *)w)->finalizer; w->link = ((StgWeak *)w)->link; /* return the finalizer */ - if (f == &NO_FINALIZER_closure) { - RET_NP(0,&NO_FINALIZER_closure); + if (f == &stg_NO_FINALIZER_closure) { + RET_NP(0,&stg_NO_FINALIZER_closure); } else { RET_NP(1,f); } @@ -440,7 +439,7 @@ FN_(int2Integerzh_fast) CCS_ALLOC(CCCS,sizeofW(StgArrWords)+1); /* ccs prof */ p = (StgArrWords *)Hp - 1; - SET_ARR_HDR(p, &ARR_WORDS_info, CCCS, 1); + SET_ARR_HDR(p, &stg_ARR_WORDS_info, CCCS, 1); /* mpz_set_si is inlined here, makes things simpler */ if (val < 0) { @@ -477,7 +476,7 @@ FN_(word2Integerzh_fast) CCS_ALLOC(CCCS,sizeofW(StgArrWords)+1); /* ccs prof */ p = (StgArrWords *)Hp - 1; - SET_ARR_HDR(p, &ARR_WORDS_info, CCCS, 1); + SET_ARR_HDR(p, &stg_ARR_WORDS_info, CCCS, 1); if (val != 0) { s = 1; @@ -495,30 +494,6 @@ FN_(word2Integerzh_fast) FE_ } -FN_(addr2Integerzh_fast) -{ - MP_INT result; - char *str; - FB_ - - MAYBE_GC(NO_PTRS,addr2Integerzh_fast); - - /* args: R1 :: Addr# */ - str = R1.a; - - /* Perform the operation */ - if (RET_STGCALL3(int, mpz_init_set_str,&result,(str),/*base*/10)) - abort(); - - /* returns (# size :: Int#, - data :: ByteArray# - #) - */ - TICK_RET_UNBOXED_TUP(2); - RET_NP(result._mp_size, - result._mp_d - sizeofW(StgArrWords)); - FE_ -} /* * 'long long' primops for converting to/from Integers. @@ -550,7 +525,7 @@ FN_(int64ToIntegerzh_fast) CCS_ALLOC(CCCS,sizeofW(StgArrWords)+words_needed); /* ccs prof */ p = (StgArrWords *)(Hp-words_needed+1) - 1; - SET_ARR_HDR(p, &ARR_WORDS_info, CCCS, words_needed); + SET_ARR_HDR(p, &stg_ARR_WORDS_info, CCCS, words_needed); if ( val < 0LL ) { neg = 1; @@ -601,7 +576,7 @@ FN_(word64ToIntegerzh_fast) CCS_ALLOC(CCCS,sizeofW(StgArrWords)+words_needed); /* ccs prof */ p = (StgArrWords *)(Hp-words_needed+1) - 1; - SET_ARR_HDR(p, &ARR_WORDS_info, CCCS, words_needed); + SET_ARR_HDR(p, &stg_ARR_WORDS_info, CCCS, words_needed); hi = (W_)((LW_)val / 0x100000000ULL); if ( val >= 0x100000000ULL ) { @@ -664,6 +639,35 @@ FN_(name) \ FE_ \ } +#define GMP_TAKE1_RET1(name,mp_fun) \ +FN_(name) \ +{ \ + MP_INT arg1, result; \ + I_ s1; \ + StgArrWords* d1; \ + FB_ \ + \ + /* call doYouWantToGC() */ \ + MAYBE_GC(R2_PTR, name); \ + \ + d1 = (StgArrWords *)R2.p; \ + s1 = R1.i; \ + \ + arg1._mp_alloc = d1->words; \ + arg1._mp_size = (s1); \ + arg1._mp_d = (unsigned long int *) (BYTE_ARR_CTS(d1)); \ + \ + STGCALL1(mpz_init,&result); \ + \ + /* Perform the operation */ \ + STGCALL2(mp_fun,&result,&arg1); \ + \ + TICK_RET_UNBOXED_TUP(2); \ + RET_NP(result._mp_size, \ + result._mp_d-sizeofW(StgArrWords)); \ + FE_ \ +} + #define GMP_TAKE2_RET2(name,mp_fun) \ FN_(name) \ { \ @@ -709,11 +713,14 @@ GMP_TAKE2_RET1(gcdIntegerzh_fast, mpz_gcd); GMP_TAKE2_RET1(quotIntegerzh_fast, mpz_tdiv_q); GMP_TAKE2_RET1(remIntegerzh_fast, mpz_tdiv_r); GMP_TAKE2_RET1(divExactIntegerzh_fast, mpz_divexact); +GMP_TAKE2_RET1(andIntegerzh_fast, mpz_and); +GMP_TAKE2_RET1(orIntegerzh_fast, mpz_ior); +GMP_TAKE2_RET1(xorIntegerzh_fast, mpz_xor); +GMP_TAKE1_RET1(complementIntegerzh_fast, mpz_com); GMP_TAKE2_RET2(quotRemIntegerzh_fast, mpz_tdiv_qr); GMP_TAKE2_RET2(divModIntegerzh_fast, mpz_fdiv_qr); -#ifndef FLOATS_AS_DOUBLES FN_(decodeFloatzh_fast) { MP_INT mantissa; @@ -732,7 +739,7 @@ FN_(decodeFloatzh_fast) /* Be prepared to tell Lennart-coded __decodeFloat */ /* where mantissa._mp_d can be put (it does not care about the rest) */ p = (StgArrWords *)Hp - 1; - SET_ARR_HDR(p,&ARR_WORDS_info,CCCS,1) + SET_ARR_HDR(p,&stg_ARR_WORDS_info,CCCS,1) mantissa._mp_d = (void *)BYTE_ARR_CTS(p); /* Perform the operation */ @@ -743,7 +750,6 @@ FN_(decodeFloatzh_fast) RET_NNP(exponent,mantissa._mp_size,p); FE_ } -#endif /* !FLOATS_AS_DOUBLES */ #define DOUBLE_MANTISSA_SIZE (sizeofW(StgDouble)) #define ARR_SIZE (sizeofW(StgArrWords) + DOUBLE_MANTISSA_SIZE) @@ -765,7 +771,7 @@ FN_(decodeDoublezh_fast) /* Be prepared to tell Lennart-coded __decodeDouble */ /* where mantissa.d can be put (it does not care about the rest) */ p = (StgArrWords *)(Hp-ARR_SIZE+1); - SET_ARR_HDR(p, &ARR_WORDS_info, CCCS, DOUBLE_MANTISSA_SIZE); + SET_ARR_HDR(p, &stg_ARR_WORDS_info, CCCS, DOUBLE_MANTISSA_SIZE); mantissa._mp_d = (void *)BYTE_ARR_CTS(p); /* Perform the operation */ @@ -820,9 +826,9 @@ FN_(newMVarzh_fast) CCS_ALLOC(CCCS,sizeofW(StgMVar)); /* ccs prof */ mvar = (StgMVar *) (Hp - sizeofW(StgMVar) + 1); - SET_HDR(mvar,&EMPTY_MVAR_info,CCCS); - mvar->head = mvar->tail = (StgTSO *)&END_TSO_QUEUE_closure; - mvar->value = (StgClosure *)&END_TSO_QUEUE_closure; + SET_HDR(mvar,&stg_EMPTY_MVAR_info,CCCS); + mvar->head = mvar->tail = (StgTSO *)&stg_END_TSO_QUEUE_closure; + mvar->value = (StgClosure *)&stg_END_TSO_QUEUE_closure; TICK_RET_UNBOXED_TUP(1); RET_P(mvar); @@ -849,37 +855,78 @@ FN_(takeMVarzh_fast) /* If the MVar is empty, put ourselves on its blocking queue, * and wait until we're woken up. */ - if (info == &EMPTY_MVAR_info) { - if (mvar->head == (StgTSO *)&END_TSO_QUEUE_closure) { + if (info == &stg_EMPTY_MVAR_info) { + if (mvar->head == (StgTSO *)&stg_END_TSO_QUEUE_closure) { mvar->head = CurrentTSO; } else { mvar->tail->link = CurrentTSO; } - CurrentTSO->link = (StgTSO *)&END_TSO_QUEUE_closure; + CurrentTSO->link = (StgTSO *)&stg_END_TSO_QUEUE_closure; CurrentTSO->why_blocked = BlockedOnMVar; CurrentTSO->block_info.closure = (StgClosure *)mvar; mvar->tail = CurrentTSO; #ifdef SMP /* unlock the MVar */ - mvar->header.info = &EMPTY_MVAR_info; + mvar->header.info = &stg_EMPTY_MVAR_info; #endif BLOCK(R1_PTR, takeMVarzh_fast); } val = mvar->value; - mvar->value = (StgClosure *)&END_TSO_QUEUE_closure; + mvar->value = (StgClosure *)&stg_END_TSO_QUEUE_closure; /* do this last... we might have locked the MVar in the SMP case, * and writing the info pointer will unlock it. */ - SET_INFO(mvar,&EMPTY_MVAR_info); + SET_INFO(mvar,&stg_EMPTY_MVAR_info); TICK_RET_UNBOXED_TUP(1); RET_P(val); FE_ } +FN_(tryTakeMVarzh_fast) +{ + StgMVar *mvar; + StgClosure *val; + const StgInfoTable *info; + + FB_ + /* args: R1 = MVar closure */ + + mvar = (StgMVar *)R1.p; + +#ifdef SMP + info = LOCK_CLOSURE(mvar); +#else + info = GET_INFO(mvar); +#endif + + if (info == &stg_EMPTY_MVAR_info) { + +#ifdef SMP + /* unlock the MVar */ + mvar->header.info = &stg_EMPTY_MVAR_info; +#endif + + /* HACK: we need a pointer to pass back, so we abuse NO_FINALIZER_closure */ + RET_NP(0, &stg_NO_FINALIZER_closure); + } + + val = mvar->value; + mvar->value = (StgClosure *)&stg_END_TSO_QUEUE_closure; + + /* do this last... we might have locked the MVar in the SMP case, + * and writing the info pointer will unlock it. + */ + SET_INFO(mvar,&stg_EMPTY_MVAR_info); + + TICK_RET_UNBOXED_TUP(1); + RET_NP(1,val); + FE_ +} + FN_(putMVarzh_fast) { StgMVar *mvar; @@ -896,8 +943,14 @@ FN_(putMVarzh_fast) info = GET_INFO(mvar); #endif - if (info == &FULL_MVAR_info) { - barf("putMVar#: MVar already full"); + if (info == &stg_FULL_MVAR_info) { +#ifdef INTERPRETER + fprintf(stderr, "fatal: put on a full MVar in Hugs; aborting\n" ); + exit(1); +#else + R1.cl = (StgClosure *)PutFullMVar_closure; + JMP_(raisezh_fast); +#endif } mvar->value = R2.cl; @@ -905,7 +958,7 @@ FN_(putMVarzh_fast) /* wake up the first thread on the queue, it will continue with the * takeMVar operation and mark the MVar empty again. */ - if (mvar->head != (StgTSO *)&END_TSO_QUEUE_closure) { + if (mvar->head != (StgTSO *)&stg_END_TSO_QUEUE_closure) { ASSERT(mvar->head->why_blocked == BlockedOnMVar); #if defined(GRAN) mvar->head = RET_STGCALL2(StgTSO *,unblockOne,mvar->head,mvar); @@ -915,13 +968,13 @@ FN_(putMVarzh_fast) #else mvar->head = RET_STGCALL1(StgTSO *,unblockOne,mvar->head); #endif - if (mvar->head == (StgTSO *)&END_TSO_QUEUE_closure) { - mvar->tail = (StgTSO *)&END_TSO_QUEUE_closure; + if (mvar->head == (StgTSO *)&stg_END_TSO_QUEUE_closure) { + mvar->tail = (StgTSO *)&stg_END_TSO_QUEUE_closure; } } /* unlocks the MVar in the SMP case */ - SET_INFO(mvar,&FULL_MVAR_info); + SET_INFO(mvar,&stg_FULL_MVAR_info); /* ToDo: yield here for better communication performance? */ JMP_(ENTRY_CODE(Sp[0])); @@ -948,7 +1001,7 @@ FN_(makeStableNamezh_fast) /* Is there already a StableName for this heap object? */ if (stable_ptr_table[index].sn_obj == NULL) { sn_obj = (StgStableName *) (Hp - sizeofW(StgStableName) + 1); - sn_obj->header.info = &STABLE_NAME_info; + sn_obj->header.info = &stg_STABLE_NAME_info; sn_obj->sn = index; stable_ptr_table[index].sn_obj = (StgClosure *)sn_obj; } else { @@ -960,6 +1013,58 @@ FN_(makeStableNamezh_fast) } /* ----------------------------------------------------------------------------- + Bytecode object primitives + ------------------------------------------------------------------------- */ + +#ifdef GHCI +FN_(newBCOzh_fast) +{ + /* R1.p = instrs + R2.p = literals + R3.p = ptrs + R4.p = itbls + */ + StgBCO *bco; + FB_ + + HP_CHK_GEN_TICKY(sizeofW(StgBCO),R1_PTR|R2_PTR|R3_PTR|R4_PTR, newBCOzh_fast,); + TICK_ALLOC_PRIM(sizeofW(StgHeader), sizeofW(StgBCO)-sizeofW(StgHeader), 0); + CCS_ALLOC(CCCS,sizeofW(StgBCO)); /* ccs prof */ + bco = (StgBCO *) (Hp + 1 - sizeofW(StgBCO)); + SET_HDR(bco, &stg_BCO_info, CCCS); + + bco->instrs = (StgArrWords*)R1.cl; + bco->literals = (StgArrWords*)R2.cl; + bco->ptrs = (StgMutArrPtrs*)R3.cl; + bco->itbls = (StgArrWords*)R4.cl; + + TICK_RET_UNBOXED_TUP(1); + RET_P(bco); + FE_ +} + +FN_(mkApUpd0zh_fast) +{ + /* R1.p = the fn for the AP_UPD + */ + StgAP_UPD* ap; + FB_ + HP_CHK_GEN_TICKY(AP_sizeW(0), R1_PTR, mkApUpd0zh_fast,); + TICK_ALLOC_PRIM(sizeofW(StgHeader), AP_sizeW(0)-sizeofW(StgHeader), 0); + CCS_ALLOC(CCCS,AP_sizeW(0)); /* ccs prof */ + ap = (StgAP_UPD *) (Hp + 1 - AP_sizeW(0)); + SET_HDR(ap, &stg_AP_UPD_info, CCCS); + + ap->n_args = 0; + ap->fun = R1.cl; + + TICK_RET_UNBOXED_TUP(1); + RET_P(ap); + FE_ +} +#endif + +/* ----------------------------------------------------------------------------- Thread I/O blocking primitives -------------------------------------------------------------------------- */ @@ -993,6 +1098,8 @@ FN_(waitWritezh_fast) FN_(delayzh_fast) { + StgTSO *t, *prev; + nat target; FB_ /* args: R1.i */ ASSERT(CurrentTSO->why_blocked == NotBlocked); @@ -1000,16 +1107,26 @@ FN_(delayzh_fast) ACQUIRE_LOCK(&sched_mutex); - /* Add on ticks_since_select, since these will be subtracted at - * the next awaitEvent call. - */ - CurrentTSO->block_info.delay = R1.i + ticks_since_select; + target = (R1.i / (TICK_MILLISECS*1000)) + getourtimeofday(); + CurrentTSO->block_info.target = target; - APPEND_TO_BLOCKED_QUEUE(CurrentTSO); + /* Insert the new thread in the sleeping queue. */ + prev = NULL; + t = sleeping_queue; + while (t != END_TSO_QUEUE && t->block_info.target < target) { + prev = t; + t = t->link; + } + + CurrentTSO->link = t; + if (prev == NULL) { + sleeping_queue = CurrentTSO; + } else { + prev->link = CurrentTSO; + } RELEASE_LOCK(&sched_mutex); JMP_(stg_block_noregs); FE_ } -