X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FcodeGen%2FCgForeignCall.hs;h=ec169463187f0d1546e4b1a14d6f1d3d3a9a9a04;hp=ce689c42f79c9e81b785c25f7bf8f471e3d63e9e;hb=c648345e3d82c0c40333bfd8ddea2633e21b08dc;hpb=49a8e5c021009430d373d6224b29004c7d18c408 diff --git a/compiler/codeGen/CgForeignCall.hs b/compiler/codeGen/CgForeignCall.hs index ce689c4..ec16946 100644 --- a/compiler/codeGen/CgForeignCall.hs +++ b/compiler/codeGen/CgForeignCall.hs @@ -25,8 +25,8 @@ import CgUtils import Type import TysPrim import CLabel -import Cmm -import CmmUtils +import OldCmm +import OldCmmUtils import SMRep import ForeignCall import ClosureInfo @@ -144,7 +144,8 @@ emitForeignCall' safety results target args vols _srt ret -- to this sequence of three CmmUnsafe calls. stmtC (CmmCall (CmmCallee suspendThread CCallConv) [ CmmHinted id AddrHint ] - [ CmmHinted (CmmReg (CmmGlobal BaseReg)) AddrHint ] + [ CmmHinted (CmmReg (CmmGlobal BaseReg)) AddrHint + , CmmHinted (CmmLit (CmmInt (fromIntegral (fromEnum (playInterruptible safety))) wordWidth)) NoHint] CmmUnsafe ret) stmtC (CmmCall temp_target results temp_args CmmUnsafe ret) stmtC (CmmCall (CmmCallee resumeThread CCallConv) @@ -201,8 +202,9 @@ maybe_assign_temp e emitSaveThreadState :: Code emitSaveThreadState = do - -- CurrentTSO->sp = Sp; - stmtC $ CmmStore (cmmOffset stgCurrentTSO tso_SP) stgSp + -- CurrentTSO->stackobj->sp = Sp; + stmtC $ CmmStore (cmmOffset (CmmLoad (cmmOffset stgCurrentTSO tso_stackobj) bWord) + stack_SP) stgSp emitCloseNursery -- and save the current cost centre stack in the TSO when profiling: when opt_SccProfilingOn $ @@ -215,14 +217,17 @@ emitCloseNursery = stmtC $ CmmStore nursery_bdescr_free (cmmOffsetW stgHp 1) emitLoadThreadState :: Code emitLoadThreadState = do tso <- newTemp bWord -- TODO FIXME NOW + stack <- newTemp bWord -- TODO FIXME NOW stmtsC [ - -- tso = CurrentTSO; - CmmAssign (CmmLocal tso) stgCurrentTSO, - -- Sp = tso->sp; - CmmAssign sp (CmmLoad (cmmOffset (CmmReg (CmmLocal tso)) tso_SP) - bWord), - -- SpLim = tso->stack + RESERVED_STACK_WORDS; - CmmAssign spLim (cmmOffsetW (cmmOffset (CmmReg (CmmLocal tso)) tso_STACK) + -- tso = CurrentTSO + CmmAssign (CmmLocal tso) stgCurrentTSO, + -- stack = tso->stackobj + CmmAssign (CmmLocal stack) (CmmLoad (cmmOffset (CmmReg (CmmLocal tso)) tso_stackobj) bWord), + -- Sp = stack->sp; + CmmAssign sp (CmmLoad (cmmOffset (CmmReg (CmmLocal stack)) stack_SP) + bWord), + -- SpLim = stack->stack + RESERVED_STACK_WORDS; + CmmAssign spLim (cmmOffsetW (cmmOffset (CmmReg (CmmLocal stack)) stack_STACK) rESERVED_STACK_WORDS), -- HpAlloc = 0; -- HpAlloc is assumed to be set to non-zero only by a failed @@ -233,7 +238,7 @@ emitLoadThreadState = do -- and load the current cost centre stack from the TSO when profiling: when opt_SccProfilingOn $ stmtC (CmmStore curCCSAddr - (CmmLoad (cmmOffset (CmmReg (CmmLocal tso)) tso_CCCS) bWord)) + (CmmLoad (cmmOffset (CmmReg (CmmLocal tso)) tso_CCCS) bWord)) emitOpenNursery :: Code emitOpenNursery = stmtsC [ @@ -261,20 +266,14 @@ nursery_bdescr_free = cmmOffset stgCurrentNursery oFFSET_bdescr_free nursery_bdescr_start = cmmOffset stgCurrentNursery oFFSET_bdescr_start nursery_bdescr_blocks = cmmOffset stgCurrentNursery oFFSET_bdescr_blocks -tso_SP, tso_STACK, tso_CCCS :: ByteOff -tso_SP = tsoFieldB oFFSET_StgTSO_sp -tso_STACK = tsoFieldB oFFSET_StgTSO_stack -tso_CCCS = tsoProfFieldB oFFSET_StgTSO_CCCS +tso_stackobj, tso_CCCS, stack_STACK, stack_SP :: ByteOff +tso_stackobj = closureField oFFSET_StgTSO_stackobj +tso_CCCS = closureField oFFSET_StgTSO_CCCS +stack_STACK = closureField oFFSET_StgStack_stack +stack_SP = closureField oFFSET_StgStack_sp --- The TSO struct has a variable header, and an optional StgTSOProfInfo in --- the middle. The fields we're interested in are after the StgTSOProfInfo. -tsoFieldB :: ByteOff -> ByteOff -tsoFieldB off - | opt_SccProfilingOn = off + sIZEOF_StgTSOProfInfo + fixedHdrSize * wORD_SIZE - | otherwise = off + fixedHdrSize * wORD_SIZE - -tsoProfFieldB :: ByteOff -> ByteOff -tsoProfFieldB off = off + fixedHdrSize * wORD_SIZE +closureField :: ByteOff -> ByteOff +closureField off = off + fixedHdrSize * wORD_SIZE stgSp, stgHp, stgCurrentTSO, stgCurrentNursery :: CmmExpr stgSp = CmmReg sp