/* -----------------------------------------------------------------------------
- * $Id: StgMiscClosures.hc,v 1.50 2000/11/13 14:40:37 simonmar Exp $
+ * $Id: StgMiscClosures.hc,v 1.85 2003/05/14 09:14:00 simonmar Exp $
*
- * (c) The GHC Team, 1998-2000
+ * (c) The GHC Team, 1998-2002
*
* Entry code for various built-in closure types.
*
* ---------------------------------------------------------------------------*/
+#include "Stg.h"
#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 "Profiling.h"
# include "StgRun.h" /* for StgReturn and register saving */
#endif
-#ifdef HAVE_STDIO_H
-#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
#endif
/* ToDo: make the printing of panics more win32-friendly, i.e.,
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) \
+IF_(stg_##type##_entry) \
+{ \
+ FB_ \
+ STGCALL1(barf, #type " object entered!"); \
+ FE_ \
}
/* -----------------------------------------------------------------------------
- Support for the metacircular interpreter.
+ Support for the bytecode interpreter.
-------------------------------------------------------------------------- */
-#ifdef GHCI
-
-/* 9 bits of return code for constructors created by mci_make_constr. */
-FN_(stg_mci_constr_entry)
+/* 9 bits of return code for constructors created by the interpreter. */
+FN_(stg_interp_constr_entry)
{
/* R1 points at the constructor */
FB_
- STGCALL2(fprintf,stderr,"mci_constr_entry (direct return)!\n");
+ /* STGCALL2(fprintf,stderr,"stg_interp_constr_entry (direct return)!\n"); */
/* Pointless, since SET_TAG doesn't do anything */
SET_TAG( GET_TAG(GET_INFO(R1.cl)));
JMP_(ENTRY_CODE((P_)(*Sp)));
FE_
}
-FN_(stg_mci_constr1_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),0)); FE_ }
-FN_(stg_mci_constr2_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),1)); FE_ }
-FN_(stg_mci_constr3_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),2)); FE_ }
-FN_(stg_mci_constr4_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),3)); FE_ }
-FN_(stg_mci_constr5_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),4)); FE_ }
-FN_(stg_mci_constr6_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),5)); FE_ }
-FN_(stg_mci_constr7_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),6)); FE_ }
-FN_(stg_mci_constr8_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),7)); FE_ }
+FN_(stg_interp_constr1_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),0)); FE_ }
+FN_(stg_interp_constr2_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),1)); FE_ }
+FN_(stg_interp_constr3_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),2)); FE_ }
+FN_(stg_interp_constr4_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),3)); FE_ }
+FN_(stg_interp_constr5_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),4)); FE_ }
+FN_(stg_interp_constr6_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),5)); FE_ }
+FN_(stg_interp_constr7_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),6)); FE_ }
+FN_(stg_interp_constr8_entry) { FB_ JMP_(RET_VEC((P_)(*Sp),7)); FE_ }
+/* Some info tables to be used when compiled code returns a value to
+ the interpreter, i.e. the interpreter pushes one of these onto the
+ stack before entering a value. What the code does is to
+ impedance-match the compiled return convention (in R1p/R1n/F1/D1 etc) to
+ the interpreter's convention (returned value is on top of stack),
+ and then cause the scheduler to enter the interpreter.
-/* Since this stuff is ostensibly in some other module, we need
- to supply an __init_ function.
-*/
-EF_(__init_MCIzumakezuconstr);
-START_MOD_INIT(__init_MCIzumakezuconstr)
-END_MOD_INIT()
-
+ On entry, the stack (growing down) looks like this:
-INFO_TABLE(mci_make_constr_info, mci_make_constr_entry, 0,0,FUN_STATIC,static,EF_,0,0);
-INFO_TABLE(mci_make_constrI_info, mci_make_constrI_entry, 0,0,FUN_STATIC,static,EF_,0,0);
-INFO_TABLE(mci_make_constrP_info, mci_make_constrP_entry, 0,0,FUN_STATIC,static,EF_,0,0);
-INFO_TABLE(mci_make_constrPP_info, mci_make_constrPP_entry, 0,0,FUN_STATIC,static,EF_,0,0);
-INFO_TABLE(mci_make_constrPPP_info,mci_make_constrPPP_entry,0,0,FUN_STATIC,static,EF_,0,0);
-
-SET_STATIC_HDR(MCIzumakezuconstr_mcizumakezuconstr_closure,
- mci_make_constr_info,0,,EI_)
- ,{ /* payload */ }
-};
-SET_STATIC_HDR(MCIzumakezuconstr_mcizumakezuconstrI_closure,
- mci_make_constrI_info,0,,EI_)
- ,{ /* payload */ }
-};
-SET_STATIC_HDR(MCIzumakezuconstr_mcizumakezuconstrP_closure,
- mci_make_constrP_info,0,,EI_)
- ,{ /* payload */ }
-};
-SET_STATIC_HDR(MCIzumakezuconstr_mcizumakezuconstrPP_closure,
- mci_make_constrPP_info,0,,EI_)
- ,{ /* payload */ }
-};
-SET_STATIC_HDR(MCIzumakezuconstr_mcizumakezuconstrPPP_closure,
- mci_make_constrPPP_info,0,,EI_)
- ,{ /* payload */ }
-};
+ ptr to BCO holding return continuation
+ ptr to one of these info tables.
+
+ The info table code, both direct and vectored, must:
+ * push R1/F1/D1 on the stack, and its tag if necessary
+ * push the BCO (so it's now on the stack twice)
+ * Yield, ie, go to the scheduler.
+
+ Scheduler examines the t.o.s, discovers it is a BCO, and proceeds
+ directly to the bytecode interpreter. That pops the top element
+ (the BCO, containing the return continuation), and interprets it.
+ Net result: return continuation gets interpreted, with the
+ following stack:
+
+ ptr to this BCO
+ ptr to the info table just jumped thru
+ return value
+
+ which is just what we want -- the "standard" return layout for the
+ interpreter. Hurrah!
+
+ Don't ask me how unboxed tuple returns are supposed to work. We
+ haven't got a good story about that yet.
+*/
+// When the returned value is a pointer in R1...
+#define STG_CtoI_RET_R1p_Template(label) \
+ IF_(label) \
+ { \
+ FB_ \
+ Sp -= 2; \
+ Sp[1] = R1.w; \
+ Sp[0] = (W_)&stg_enter_info; \
+ JMP_(stg_yield_to_interpreter); \
+ FE_ \
+ }
-/* Make a constructor with no args. */
-STGFUN(mci_make_constr_entry)
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_0_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_1_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_2_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_3_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_4_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_5_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_6_ret);
+STG_CtoI_RET_R1p_Template(stg_ctoi_ret_R1p_7_ret);
+
+VEC_POLY_INFO_TABLE( stg_ctoi_ret_R1p, 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/,
+ RET_BCO,, EF_);
+
+// When the returned value is a pointer, but unlifted, in R1 ...
+INFO_TABLE_RET( stg_ctoi_ret_R1unpt_info, stg_ctoi_ret_R1unpt_entry,
+ 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/, RET_BCO,, IF_, 0, 0);
+IF_(stg_ctoi_ret_R1unpt_entry)
{
- nat size, np, nw;
- StgClosure* con;
- StgInfoTable* itbl;
- FB_
- /* Sp[0 & 1] are tag, Addr#
- */
- itbl = ((StgInfoTable**)Sp)[1];
- np = INFO_PTR_TO_STRUCT(itbl)->layout.payload.ptrs;
- nw = INFO_PTR_TO_STRUCT(itbl)->layout.payload.nptrs;
- size = sizeofW(StgHeader) + stg_max(MIN_NONUPD_SIZE, np+nw);
- /* STGCALL5(fprintf,stderr,"np %d nw %d size %d\n",np,nw,size); */
-
- /* The total number of words to copy off the stack is np + nw.
- That doesn't include tag words, tho.
- */
- HP_CHK_GEN_TICKY(size, NO_PTRS, mci_make_constr_entry, );
- TICK_ALLOC_PRIM(sizeofW(StgHeader), size-sizeofW(StgHeader), 0);
- CCS_ALLOC(CCCS,size); /* ccs prof */
-
- con = (StgClosure*)(Hp + 1 - size);
- SET_HDR(con, itbl,CCCS);
-
- Sp = Sp +2; /* Zap the Addr# arg */
- R1.cl = con;
-
- JMP_(ENTRY_CODE(GET_INFO(R1.cl)));
- FE_
+ FB_
+ Sp -= 2;
+ Sp[1] = R1.w;
+ Sp[0] = (W_)&stg_gc_unpt_r1_info;
+ JMP_(stg_yield_to_interpreter);
+ FE_
}
-/* Make a constructor with 1 Int# arg */
-STGFUN(mci_make_constrI_entry)
+// When the returned value is a non-pointer in R1 ...
+INFO_TABLE_RET( stg_ctoi_ret_R1n_info, stg_ctoi_ret_R1n_entry,
+ 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/, RET_BCO,, IF_, 0, 0);
+IF_(stg_ctoi_ret_R1n_entry)
{
- nat size, np, nw;
- StgClosure* con;
- StgInfoTable* itbl;
- FB_
- /* Sp[0 & 1] are tag, Addr#
- Sp[2 & 3] are tag, Int#
- */
- itbl = ((StgInfoTable**)Sp)[1];
- np = INFO_PTR_TO_STRUCT(itbl)->layout.payload.ptrs;
- nw = INFO_PTR_TO_STRUCT(itbl)->layout.payload.nptrs;
- size = sizeofW(StgHeader) + stg_max(MIN_NONUPD_SIZE, np+nw);
- /* STGCALL5(fprintf,stderr,"np %d nw %d size %d\n",np,nw,size); */
-
- /* The total number of words to copy off the stack is np + nw.
- That doesn't include tag words, tho.
- */
- HP_CHK_GEN_TICKY(size, NO_PTRS, mci_make_constrI_entry, );
- TICK_ALLOC_PRIM(sizeofW(StgHeader), size-sizeofW(StgHeader), 0);
- CCS_ALLOC(CCCS,size); /* ccs prof */
-
- con = (StgClosure*)(Hp + 1 - size);
- SET_HDR(con, itbl,CCCS);
-
- con->payload[0] = ((StgClosure**)Sp)[3];
- Sp = Sp +1/*word*/ +1/*tag*/; /* Zap the Int# arg */
- Sp = Sp +2; /* Zap the Addr# arg */
- R1.cl = con;
-
- JMP_(ENTRY_CODE(GET_INFO(R1.cl)));
- FE_
+ FB_
+ Sp -= 2;
+ Sp[1] = R1.w;
+ Sp[0] = (W_)&stg_gc_unbx_r1_info;
+ JMP_(stg_yield_to_interpreter);
+ FE_
}
-STGFUN(mci_make_constrP_entry)
+
+// When the returned value is in F1 ...
+INFO_TABLE_RET( stg_ctoi_ret_F1_info, stg_ctoi_ret_F1_entry,
+ 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/, RET_BCO,, IF_, 0, 0);
+IF_(stg_ctoi_ret_F1_entry)
{
- FB_
- DUMP_ERRMSG("mci_make_constrP_entry: unimplemented!\n");
- STGCALL1(shutdownHaskellAndExit, EXIT_FAILURE);
- return 0;
- FE_
+ FB_
+ Sp -= 2;
+ ASSIGN_FLT(Sp+1, F1);
+ Sp[0] = (W_)&stg_gc_f1_info;
+ JMP_(stg_yield_to_interpreter);
+ FE_
}
-
-/* Make a constructor with 2 pointer args. */
-STGFUN(mci_make_constrPP_entry)
+// When the returned value is in D1 ...
+INFO_TABLE_RET( stg_ctoi_ret_D1_info, stg_ctoi_ret_D1_entry,
+ 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/, RET_BCO,, IF_, 0, 0);
+IF_(stg_ctoi_ret_D1_entry)
{
- nat size, np, nw;
- StgClosure* con;
- StgInfoTable* itbl;
- FB_
- /* Sp[0 & 1] are tag, Addr#
- Sp[2] first arg
- Sp[3] second arg
- */
- itbl = ((StgInfoTable**)Sp)[1];
- np = INFO_PTR_TO_STRUCT(itbl)->layout.payload.ptrs;
- nw = INFO_PTR_TO_STRUCT(itbl)->layout.payload.nptrs;
- size = sizeofW(StgHeader) + stg_max(MIN_NONUPD_SIZE, np+nw);
- /* STGCALL5(fprintf,stderr,"np %d nw %d size %d\n",np,nw,size); */
-
- /* The total number of words to copy off the stack is np + nw.
- That doesn't include tag words, tho.
- */
- HP_CHK_GEN_TICKY(size, NO_PTRS, mci_make_constrPP_entry, );
- TICK_ALLOC_PRIM(sizeofW(StgHeader), size-sizeofW(StgHeader), 0);
- CCS_ALLOC(CCCS,size); /* ccs prof */
-
- con = (StgClosure*)(Hp + 1 - size);
- SET_HDR(con, itbl,CCCS);
-
- con->payload[0] = ((StgClosure**)Sp)[2];
- con->payload[1] = ((StgClosure**)Sp)[3];
- Sp = Sp +2; /* Zap 2 ptr args */
- Sp = Sp +2; /* Zap the Addr# arg */
- R1.cl = con;
-
- JMP_(ENTRY_CODE(GET_INFO(R1.cl)));
- FE_
+ FB_
+ Sp -= 1 + sizeofW(StgDouble);
+ ASSIGN_DBL(Sp+1, D1);
+ Sp[0] = (W_)&stg_gc_d1_info;
+ JMP_(stg_yield_to_interpreter);
+ FE_
}
+// When the returned value is in L1 ...
+INFO_TABLE_RET( stg_ctoi_ret_L1_info, stg_ctoi_ret_L1_entry,
+ 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/, RET_BCO,, IF_, 0, 0);
+IF_(stg_ctoi_ret_L1_entry)
+{
+ FB_
+ Sp -= 1 + sizeofW(StgInt64);
+ ASSIGN_Word64(Sp+1, L1);
+ Sp[0] = (W_)&stg_gc_l1_info;
+ JMP_(stg_yield_to_interpreter);
+ FE_
+}
-STGFUN(mci_make_constrPPP_entry)
+// When the returned value a VoidRep ...
+INFO_TABLE_RET( stg_ctoi_ret_V_info, stg_ctoi_ret_V_entry,
+ 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/, RET_BCO,, IF_, 0, 0);
+IF_(stg_ctoi_ret_V_entry)
{
- FB_
- DUMP_ERRMSG("mci_make_constrPPP_entry: unimplemented!\n");
- STGCALL1(shutdownHaskellAndExit, EXIT_FAILURE);
- return 0;
- FE_
+ FB_
+ Sp--;
+ Sp[0] = (W_)&stg_gc_void_info;
+ JMP_(stg_yield_to_interpreter);
+ FE_
}
-#if 0
-/* It would be nice if this worked, but it doesn't. Yet. */
-STGFUN(mci_make_constr_entry)
+// Dummy info table pushed on the top of the stack when the interpreter
+// should apply the BCO on the stack to its arguments, also on the stack.
+INFO_TABLE_RET( stg_apply_interp_info, stg_apply_interp_entry,
+ 0/* special layout */,
+ 0/*srt*/, 0/*srt_off*/, 0/*srt_bitmap*/, RET_BCO,, IF_, 0, 0);
+IF_(stg_apply_interp_entry)
{
- nat size, np, nw_heap, nw_really, w;
- StgClosure* con;
- StgInfoTable* itbl;
- W_* r;
- FB_
- itbl = ((StgInfoTable**)Sp)[0];
-STGCALL3(fprintf,stderr,"mmc: itbl = %d\n",itbl);
-
-STGCALL3(fprintf,stderr,"mmc: sp-4 = %d\n", ((W_*)Sp)[-4] );
-STGCALL3(fprintf,stderr,"mmc: sp-3 = %d\n", ((W_*)Sp)[-3] );
-STGCALL3(fprintf,stderr,"mmc: sp-2 = %d\n", ((W_*)Sp)[-2] );
-STGCALL3(fprintf,stderr,"mmc: sp-1 = %d\n", ((W_*)Sp)[-1] );
-STGCALL3(fprintf,stderr,"mmc: sp+0 = %d\n", ((W_*)Sp)[0] );
-STGCALL3(fprintf,stderr,"mmc: sp+1 = %d\n", ((W_*)Sp)[1] );
-STGCALL3(fprintf,stderr,"mmc: sp+2 = %d\n", ((W_*)Sp)[2] );
-STGCALL3(fprintf,stderr,"mmc: sp+3 = %d\n", ((W_*)Sp)[3] );
-STGCALL3(fprintf,stderr,"mmc: sp+4 = %d\n", ((W_*)Sp)[4] );
- np = itbl->layout.payload.ptrs;
- nw_really = itbl->layout.payload.nptrs;
- nw_heap = stg_max(nw_really, MIN_NONUPD_SIZE-np);
- size = CONSTR_sizeW( np, nw_heap );
-
- /* The total number of words to copy off the stack is np + nw.
- That doesn't include tag words, tho.
- */
- HP_CHK_GEN_TICKY(size, NO_PTRS, mci_make_constr_entry, );
- TICK_ALLOC_PRIM(sizeofW(StgHeader), size-sizeofW(StgHeader), 0);
- CCS_ALLOC(CCCS,size); /* ccs prof */
-
- con = (StgClosure*)(Hp + 1 - size);
- SET_HDR(con, itbl,CCCS);
-
- /* Copy into the closure. */
- w = 0;
- r = Sp+1;
- while (1) {
- if (w == np + nw) break;
- ASSERT(w < np + nw);
- if (IS_ARG_TAG(*r)) {
- nat n = *r++;
- for (; n > 0; n--)
- con->payload[w++] = (StgClosure*)(*r++);
- } else {
- con->payload[w++] = (StgClosure*)(*r++);
- }
- ASSERT((P_)r <= (P_)Su);
- }
+ FB_
+ // Just in case we end up in here... (we shouldn't)
+ JMP_(stg_yield_to_interpreter);
+ FE_
+}
- /* Remove all the args we've used. */
- Sp = r;
+/* -----------------------------------------------------------------------------
+ Entry code for a BCO
+ -------------------------------------------------------------------------- */
- R1.cl = con;
- JMP_(ENTRY_CODE(R1.cl));
+INFO_TABLE_FUN_GEN(stg_BCO_info,stg_BCO_entry,4,0,
+ 0,0,0, /* no SRT */
+ ARG_BCO, 0/*dummy arity*/, 0/*dummy bitmap*/, NULL/*slow_apply*/,
+ BCO,,EF_,"BCO","BCO");
+FN_(stg_BCO_entry) {
+ FB_
+ // entering a BCO means "apply it", same as a function
+ Sp -= 2;
+ Sp[1] = R1.w;
+ Sp[0] = (W_)&stg_apply_interp_info;
+ JMP_(stg_yield_to_interpreter);
FE_
}
-#endif
-
-#endif /* GHCI */
-
/* -----------------------------------------------------------------------------
- Entry code for an indirection.
+ Info tables for indirections.
+
+ SPECIALISED INDIRECTIONS: we have a specialised indirection for each
+ kind of return (direct, vectored 0-7), so that we can avoid entering
+ the object when we know what kind of return it will do. The update
+ code (Updates.hc) updates objects with the appropriate kind of
+ indirection. We only do this for young-gen indirections.
-------------------------------------------------------------------------- */
-INFO_TABLE(stg_IND_info,stg_IND_entry,1,0,IND,,EF_,0,0);
-STGFUN(stg_IND_entry)
+INFO_TABLE(stg_IND_info,stg_IND_entry,1,0,IND,,IF_,"IND","IND");
+IF_(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);
-STGFUN(stg_IND_STATIC_entry)
+#define IND_SPEC(n,ret) \
+INFO_TABLE(stg_IND_##n##_info,stg_IND_##n##_entry,1,0,IND,,IF_,"IND","IND"); \
+IF_(stg_IND_##n##_entry) \
+{ \
+ FB_ \
+ TICK_ENT_DYN_IND(Node); /* tick */ \
+ R1.p = (P_) ((StgInd*)R1.p)->indirectee; \
+ TICK_ENT_VIA_NODE(); \
+ JMP_(ret); \
+ FE_ \
+}
+
+IND_SPEC(direct, ENTRY_CODE(Sp[0]))
+IND_SPEC(0, RET_VEC(Sp[0],0))
+IND_SPEC(1, RET_VEC(Sp[0],1))
+IND_SPEC(2, RET_VEC(Sp[0],2))
+IND_SPEC(3, RET_VEC(Sp[0],3))
+IND_SPEC(4, RET_VEC(Sp[0],4))
+IND_SPEC(5, RET_VEC(Sp[0],5))
+IND_SPEC(6, RET_VEC(Sp[0],6))
+IND_SPEC(7, RET_VEC(Sp[0],7))
+
+INFO_TABLE(stg_IND_STATIC_info,stg_IND_STATIC_entry,1,0,IND_STATIC,,IF_,"IND_STATIC","IND_STATIC");
+IF_(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_
}
-INFO_TABLE(stg_IND_PERM_info,stg_IND_PERM_entry,1,1,IND_PERM,,EF_,"IND_PERM","IND_PERM");
-STGFUN(stg_IND_PERM_entry)
+INFO_TABLE(stg_IND_PERM_info,stg_IND_PERM_entry,1,1,IND_PERM,,IF_,"IND_PERM","IND_PERM");
+IF_(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);
# ifdef PROFILING
# error Profiling and ticky-ticky do not mix at present!
# endif /* PROFILING */
- SET_INFO((StgInd*)R1.p,&IND_info);
+ SET_INFO((StgInd*)R1.p,&stg_IND_info);
#endif /* TICKY_TICKY */
R1.p = (P_) ((StgInd*)R1.p)->indirectee;
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);
-STGFUN(stg_IND_OLDGEN_entry)
+INFO_TABLE(stg_IND_OLDGEN_info,stg_IND_OLDGEN_entry,1,1,IND_OLDGEN,,IF_,"IND_OLDGEN","IND_OLDGEN");
+IF_(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);
-STGFUN(stg_IND_OLDGEN_PERM_entry)
+INFO_TABLE(stg_IND_OLDGEN_PERM_info,stg_IND_OLDGEN_PERM_entry,1,1,IND_OLDGEN_PERM,,IF_,"IND_OLDGEN_PERM","IND_OLDGEN_PERM");
+IF_(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);
# ifdef PROFILING
# error Profiling and ticky-ticky do not mix at present!
# endif /* PROFILING */
- SET_INFO((StgInd*)R1.p,&IND_OLDGEN_info);
+ SET_INFO((StgInd*)R1.p,&stg_IND_OLDGEN_info);
#endif /* TICKY_TICKY */
R1.p = (P_) ((StgInd*)R1.p)->indirectee;
TICK_ENT_VIA_NODE();
- JMP_(ENTRY_CODE(*R1.p));
- FE_
-}
-
-/* -----------------------------------------------------------------------------
- Entry code for CAFs
-
- This code assumes R1 is in a register for now.
- -------------------------------------------------------------------------- */
-
-INFO_TABLE(stg_CAF_UNENTERED_info,stg_CAF_UNENTERED_entry,1,3,CAF_UNENTERED,,EF_,0,0);
-STGFUN(stg_CAF_UNENTERED_entry)
-{
- FB_
- /* ToDo: implement directly in GHC */
- Sp -= 1;
- Sp[0] = R1.w;
- JMP_(stg_yield_to_Hugs);
- FE_
-}
-
-/* 0,4 is entirely bogus; _do not_ rely on this info */
-INFO_TABLE(stg_CAF_ENTERED_info,stg_CAF_ENTERED_entry,0,4,CAF_ENTERED,,EF_,0,0);
-STGFUN(stg_CAF_ENTERED_entry)
-{
- FB_
- R1.p = (P_) ((StgCAF*)R1.p)->value; /* just a fancy indirection */
- TICK_ENT_VIA_NODE();
JMP_(GET_ENTRY(R1.cl));
FE_
}
* old-generation indirection.
*/
-INFO_TABLE(stg_BLACKHOLE_info, stg_BLACKHOLE_entry,0,2,BLACKHOLE,,EF_,"BLACKHOLE","BLACKHOLE");
-STGFUN(stg_BLACKHOLE_entry)
+INFO_TABLE(stg_BLACKHOLE_info, stg_BLACKHOLE_entry,0,2,BLACKHOLE,,IF_,"BLACKHOLE","BLACKHOLE");
+IF_(stg_BLACKHOLE_entry)
{
FB_
#if defined(GRAN)
#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);
+ 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);
JMP_(stg_gc_enter_1_hponly);
#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_
}
-INFO_TABLE(stg_BLACKHOLE_BQ_info, stg_BLACKHOLE_BQ_entry,1,1,BLACKHOLE_BQ,,EF_,"BLACKHOLE","BLACKHOLE");
-STGFUN(stg_BLACKHOLE_BQ_entry)
+INFO_TABLE(stg_BLACKHOLE_BQ_info, stg_BLACKHOLE_BQ_entry,1,1,BLACKHOLE_BQ,,IF_,"BLACKHOLE","BLACKHOLE");
+IF_(stg_BLACKHOLE_BQ_entry)
{
FB_
#if defined(GRAN)
#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);
+ 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);
JMP_(stg_gc_enter_1_hponly);
#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;
#if defined(PAR) || defined(GRAN)
-INFO_TABLE(stg_RBH_info, stg_RBH_entry,1,1,RBH,,EF_,0,0);
-STGFUN(stg_RBH_entry)
+INFO_TABLE(stg_RBH_info, stg_RBH_entry,1,1,RBH,,IF_,"RBH","RBH");
+IF_(stg_RBH_entry)
{
FB_
# if defined(GRAN)
FE_
}
-INFO_TABLE(RBH_Save_0_info, 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,,IF_,"RBH_Save_0","RBH_Save_0");
NON_ENTERABLE_ENTRY_CODE(RBH_Save_0);
-INFO_TABLE(RBH_Save_1_info, 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,,IF_,"RBH_Save_1","RBH_Save_1");
NON_ENTERABLE_ENTRY_CODE(RBH_Save_1);
-INFO_TABLE(RBH_Save_2_info, 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,,IF_,"RBH_Save_2","RBH_Save_2");
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_,"CAF_BLACKHOLE","CAF_BLACKHOLE");
-STGFUN(stg_CAF_BLACKHOLE_entry)
+INFO_TABLE(stg_CAF_BLACKHOLE_info, stg_CAF_BLACKHOLE_entry,0,2,CAF_BLACKHOLE,,IF_,"CAF_BLACKHOLE","CAF_BLACKHOLE");
+IF_(stg_CAF_BLACKHOLE_entry)
{
FB_
#if defined(GRAN)
#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);
+ 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);
JMP_(stg_gc_enter_1_hponly);
#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 */
+
+ // 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);
-STGFUN(stg_SE_BLACKHOLE_entry)
+#ifdef EAGER_BLACKHOLING
+INFO_TABLE(stg_SE_BLACKHOLE_info, stg_SE_BLACKHOLE_entry,0,2,SE_BLACKHOLE,,IF_,"SE_BLACKHOLE","SE_BLACKHOLE");
+IF_(stg_SE_BLACKHOLE_entry)
{
FB_
STGCALL3(fprintf,stderr,"SE_BLACKHOLE at %p entered!\n",R1.p);
FE_
}
-INFO_TABLE(SE_CAF_BLACKHOLE_info, SE_CAF_BLACKHOLE_entry,0,2,SE_CAF_BLACKHOLE,,EF_,0,0);
-STGFUN(stg_SE_CAF_BLACKHOLE_entry)
+INFO_TABLE(stg_SE_CAF_BLACKHOLE_info, SE_CAF_BLACKHOLE_entry,0,2,SE_CAF_BLACKHOLE,,IF_,"CAF_BLACKHOLE","CAF_BLACKHOLE");
+IF_(stg_SE_CAF_BLACKHOLE_entry)
{
FB_
STGCALL3(fprintf,stderr,"SE_CAF_BLACKHOLE at %p entered!\n",R1.p);
#endif
#ifdef SMP
-INFO_TABLE(stg_WHITEHOLE_info, stg_WHITEHOLE_entry,0,2,CONSTR_NOCAF_STATIC,,EF_,0,0);
-STGFUN(stg_WHITEHOLE_entry)
+INFO_TABLE(stg_WHITEHOLE_info, stg_WHITEHOLE_entry,0,2,CONSTR_NOCAF_STATIC,,IF_,"WHITEHOLE","WHITEHOLE");
+IF_(stg_WHITEHOLE_entry)
{
FB_
- JMP_(GET_ENTRY(R1.cl));
+ JMP_(GET_ENTRY(R1.cl));
FE_
}
#endif
/* -----------------------------------------------------------------------------
- The code for a BCO returns to the scheduler
- -------------------------------------------------------------------------- */
-INFO_TABLE(stg_BCO_info,stg_BCO_entry,0,0,BCO,,EF_,"BCO","BCO");
-STGFUN(stg_BCO_entry) {
- FB_
- Sp -= 1;
- Sp[0] = R1.w;
- JMP_(stg_yield_to_Hugs);
- FE_
-}
-
-/* -----------------------------------------------------------------------------
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
-------------------------------------------------------------------------- */
-INFO_TABLE(stg_TSO_info, stg_TSO_entry, 0,0,TSO,,EF_,"TSO","TSO");
+INFO_TABLE(stg_TSO_info, stg_TSO_entry, 0,0,TSO,,IF_,"TSO","TSO");
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,,IF_,"EVACUATED","EVACUATED");
NON_ENTERABLE_ENTRY_CODE(EVACUATED);
/* -----------------------------------------------------------------------------
live weak pointers with dead ones).
-------------------------------------------------------------------------- */
-INFO_TABLE(stg_WEAK_info,stg_WEAK_entry,0,4,WEAK,,EF_,"WEAK","WEAK");
+INFO_TABLE(stg_WEAK_info,stg_WEAK_entry,0,4,WEAK,,IF_,"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,,IF_,"DEAD_WEAK","DEAD_WEAK");
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,,IF_,"NO_FINALIZER","NO_FINALIZER");
NON_ENTERABLE_ENTRY_CODE(NO_FINALIZER);
-SET_STATIC_HDR(stg_NO_FINALIZER_closure,NO_FINALIZER_info,0/*CC*/,,EI_)
+SET_STATIC_HDR(stg_NO_FINALIZER_closure,stg_NO_FINALIZER_info,0/*CC*/,,extern const StgInfoTable)
, /*payload*/{} };
/* -----------------------------------------------------------------------------
Foreign Objects are unlifted and therefore never entered.
-------------------------------------------------------------------------- */
-INFO_TABLE(stg_FOREIGN_info,stg_FOREIGN_entry,0,1,FOREIGN,,EF_,"FOREIGN","FOREIGN");
+INFO_TABLE(stg_FOREIGN_info,stg_FOREIGN_entry,0,1,FOREIGN,,IF_,"FOREIGN","FOREIGN");
NON_ENTERABLE_ENTRY_CODE(FOREIGN);
/* -----------------------------------------------------------------------------
Stable Names are unlifted too.
-------------------------------------------------------------------------- */
-INFO_TABLE(stg_STABLE_NAME_info,stg_STABLE_NAME_entry,0,1,STABLE_NAME,,EF_,"STABLE_NAME","STABLE_NAME");
+INFO_TABLE(stg_STABLE_NAME_info,stg_STABLE_NAME_entry,0,1,STABLE_NAME,,IF_,"STABLE_NAME","STABLE_NAME");
NON_ENTERABLE_ENTRY_CODE(STABLE_NAME);
/* -----------------------------------------------------------------------------
and entry code for each type.
-------------------------------------------------------------------------- */
-INFO_TABLE(stg_FULL_MVAR_info,stg_FULL_MVAR_entry,4,0,MVAR,,EF_,"MVAR","MVAR");
+INFO_TABLE(stg_FULL_MVAR_info,stg_FULL_MVAR_entry,4,0,MVAR,,IF_,"MVAR","MVAR");
NON_ENTERABLE_ENTRY_CODE(FULL_MVAR);
-INFO_TABLE(stg_EMPTY_MVAR_info,stg_EMPTY_MVAR_entry,4,0,MVAR,,EF_,"MVAR","MVAR");
+INFO_TABLE(stg_EMPTY_MVAR_info,stg_EMPTY_MVAR_entry,4,0,MVAR,,IF_,"MVAR","MVAR");
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,,IF_,"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_)
+SET_STATIC_HDR(stg_END_TSO_QUEUE_closure,stg_END_TSO_QUEUE_info,0/*CC*/,,extern const StgInfoTable)
, /*payload*/{} };
/* -----------------------------------------------------------------------------
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,,IF_,"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_)
+SET_STATIC_HDR(stg_END_MUT_LIST_closure,stg_END_MUT_LIST_info,0/*CC*/,,extern const StgInfoTable)
, /*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, , IF_, "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,,IF_,"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_)
+SET_STATIC_HDR(stg_END_EXCEPTION_LIST_closure,stg_END_EXCEPTION_LIST_info,0/*CC*/,,extern const StgInfoTable)
, /*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, , IF_, "EXCEPTION_CONS", "EXCEPTION_CONS");
NON_ENTERABLE_ENTRY_CODE(EXCEPTION_CONS);
/* -----------------------------------------------------------------------------
-------------------------------------------------------------------------- */
#define ArrayInfo(type) \
-INFO_TABLE(stg_##type##_info, stg_##type##_entry, 0, 0, type, , EF_,"" # type "","" # type "");
+INFO_TABLE(stg_##type##_info, stg_##type##_entry, 0, 0, type, , IF_,"" # type "","" # type "");
ArrayInfo(ARR_WORDS);
NON_ENTERABLE_ENTRY_CODE(ARR_WORDS);
Mutable Variables
-------------------------------------------------------------------------- */
-INFO_TABLE(stg_MUT_VAR_info, stg_MUT_VAR_entry, 1, 1, MUT_VAR, , EF_, "MUT_VAR", "MUT_VAR");
+INFO_TABLE(stg_MUT_VAR_info, stg_MUT_VAR_entry, 1, 1, MUT_VAR, , IF_, "MUT_VAR", "MUT_VAR");
NON_ENTERABLE_ENTRY_CODE(MUT_VAR);
/* -----------------------------------------------------------------------------
- Standard Error Entry.
-
- This is used for filling in vector-table entries that can never happen,
- for instance.
- -------------------------------------------------------------------------- */
-/* No longer used; we use NULL, because a) it never happens, right? and b)
- Windows doesn't like DLL entry points being used as static initialisers
-STGFUN(stg_error_entry) \
-{ \
- FB_ \
- DUMP_ERRMSG("fatal: stg_error_entry"); \
- STGCALL1(shutdownHaskellAndExit, EXIT_FAILURE); \
- return NULL; \
- FE_ \
-}
-*/
-/* -----------------------------------------------------------------------------
Dummy return closure
Entering this closure will just return to the address on the top of the
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);
-STGFUN(stg_dummy_ret_entry)
-{
- W_ ret_addr;
- FB_
- ret_addr = Sp[0];
- Sp++;
- JMP_(ENTRY_CODE(ret_addr));
- FE_
-}
-SET_STATIC_HDR(stg_dummy_ret_closure,stg_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(stg_forceIO_ret_info,stg_forceIO_ret_entry,0,0,0,0,RET_SMALL,,EF_,0,0);
-STGFUN(stg_forceIO_ret_entry)
-{
- FB_
- Sp++;
- Sp -= sizeofW(StgSeqFrame);
- PUSH_SEQ_FRAME(Sp);
- JMP_(GET_ENTRY(R1.cl));
-}
-#else
-INFO_TABLE_SRT_BITMAP(stg_forceIO_ret_info,stg_forceIO_ret_entry,0,0,0,0,RET_SMALL,,EF_,0,0);
-STGFUN(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( stg_dummy_ret_info, stg_dummy_ret_entry,
+ 0, 0, CONSTR_NOCAF_STATIC, , EF_, "DUMMY_RET", "DUMMY_RET");
-INFO_TABLE(stg_forceIO_info,stg_forceIO_entry,1,0,FUN_STATIC,,EF_,0,0);
-FN_(stg_forceIO_entry)
+STGFUN(stg_dummy_ret_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_)&stg_forceIO_ret_info;
- Sp--;
- /* Push the RealWorld# tag and enter */
- Sp[0] =(W_)REALWORLD_TAG;
- JMP_(GET_ENTRY(R1.cl));
+ JMP_(ENTRY_CODE(Sp[0]));
FE_
}
-SET_STATIC_HDR(stg_forceIO_closure,stg_forceIO_info,CCS_DONT_CARE,,EI_)
+SET_STATIC_HDR(stg_dummy_ret_closure,stg_dummy_ret_info,CCS_DONT_CARE,,extern const StgInfoTable)
, /*payload*/{} };
-
-/* -----------------------------------------------------------------------------
- Standard Infotables (for use in interpreter)
- -------------------------------------------------------------------------- */
-
-#ifdef INTERPRETER
-
-STGFUN(stg_Hugs_CONSTR_entry)
-{
- /* R1 points at the constructor */
- JMP_(ENTRY_CODE(((StgPtr*)Sp)[0]));
-}
-
-#define RET_BCO_ENTRY_TEMPLATE(label) \
- IFN_(label) \
- { \
- FB_ \
- Sp -= 1; \
- ((StgPtr*)Sp)[0] = R1.p; \
- JMP_(stg_yield_to_Hugs); \
- FE_ \
- }
-
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_entry );
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_0_entry);
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_1_entry);
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_2_entry);
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_3_entry);
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_4_entry);
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_5_entry);
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_6_entry);
-RET_BCO_ENTRY_TEMPLATE(stg_ret_bco_7_entry);
-
-VEC_POLY_INFO_TABLE(stg_ret_bco,0, NULL/*srt*/, 0/*srt_off*/, 0/*srt_len*/, RET_BCO,, EF_);
-
-#endif /* INTERPRETER */
-
/* -----------------------------------------------------------------------------
CHARLIKE and INTLIKE closures.
#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) \
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