}
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_FULL_MVAR_info) [];
+ unlockClosure(mvar, stg_FULL_MVAR_info);
#endif
RET_P(val);
}
StgMVar_value(mvar) = stg_END_TSO_QUEUE_closure;
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_EMPTY_MVAR_info) [];
+ unlockClosure(mvar, stg_EMPTY_MVAR_info);
#else
SET_INFO(mvar,stg_EMPTY_MVAR_info);
#endif
if (info == stg_EMPTY_MVAR_info) {
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_EMPTY_MVAR_info) [];
+ unlockClosure(mvar, stg_EMPTY_MVAR_info);
#endif
/* HACK: we need a pointer to pass back,
* so we abuse NO_FINALIZER_closure
StgMVar_tail(mvar) = stg_END_TSO_QUEUE_closure;
}
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_FULL_MVAR_info) [];
+ unlockClosure(mvar, stg_FULL_MVAR_info);
#endif
}
else
/* No further putMVars, MVar is now empty */
StgMVar_value(mvar) = stg_END_TSO_QUEUE_closure;
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_EMPTY_MVAR_info) [];
+ unlockClosure(mvar, stg_EMPTY_MVAR_info);
#else
SET_INFO(mvar,stg_EMPTY_MVAR_info);
#endif
}
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_EMPTY_MVAR_info) [];
+ unlockClosure(mvar, stg_EMPTY_MVAR_info);
#endif
jump %ENTRY_CODE(Sp(0));
}
StgMVar_value(mvar) = R2;
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_FULL_MVAR_info) [];
+ unlockClosure(mvar, stg_FULL_MVAR_info);
#else
SET_INFO(mvar,stg_FULL_MVAR_info);
#endif
if (info == stg_FULL_MVAR_info) {
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_FULL_MVAR_info) [];
+ unlockClosure(mvar, stg_FULL_MVAR_info);
#endif
RET_N(0);
}
}
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_EMPTY_MVAR_info) [];
+ unlockClosure(mvar, stg_EMPTY_MVAR_info);
#endif
}
else
StgMVar_value(mvar) = R2;
#if defined(THREADED_RTS)
- foreign "C" unlockClosure(mvar "ptr", stg_FULL_MVAR_info) [];
+ unlockClosure(mvar, stg_FULL_MVAR_info);
#else
SET_INFO(mvar,stg_FULL_MVAR_info);
#endif
W_ bco, bitmap_arr, bytes, words;
bitmap_arr = R5;
+
words = BYTES_TO_WDS(SIZEOF_StgBCO) + StgArrWords_words(bitmap_arr);
bytes = WDS(words);
RET_P(ap);
}
-infoPtrzh_fast
-{
-/* args: R1 = closure to analyze */
-
- MAYBE_GC(R1_PTR, infoPtrzh_fast);
-
- W_ info;
- info = %GET_STD_INFO(R1);
- RET_N(info);
-}
-
-closurePayloadzh_fast
+unpackClosurezh_fast
{
/* args: R1 = closure to analyze */
// TODO: Consider the absence of ptrs or nonptrs as a special case ?
- MAYBE_GC(R1_PTR, closurePayloadzh_fast);
-
W_ info, ptrs, nptrs, p, ptrs_arr, nptrs_arr;
info = %GET_STD_INFO(R1);
- ptrs = TO_W_(%INFO_PTRS(info));
- nptrs = TO_W_(%INFO_NPTRS(info));
- p = 0;
- ALLOC_PRIM (SIZEOF_StgMutArrPtrs + WDS(ptrs), R1_PTR, closurePayloadzh_fast);
- ptrs_arr = Hp - SIZEOF_StgMutArrPtrs - WDS(ptrs) + WDS(1);
+ // Some closures have non-standard layout, so we omit those here.
+ W_ type;
+ type = TO_W_(%INFO_TYPE(info));
+ switch [0 .. N_CLOSURE_TYPES] type {
+ case THUNK_SELECTOR : {
+ ptrs = 1;
+ nptrs = 0;
+ goto out;
+ }
+ case THUNK, THUNK_1_0, THUNK_0_1, THUNK_2_0, THUNK_1_1,
+ THUNK_0_2, THUNK_STATIC, AP, PAP, AP_STACK, BCO : {
+ ptrs = 0;
+ nptrs = 0;
+ goto out;
+ }
+ default: {
+ ptrs = TO_W_(%INFO_PTRS(info));
+ nptrs = TO_W_(%INFO_NPTRS(info));
+ goto out;
+ }}
+out:
+
+ W_ ptrs_arr_sz, nptrs_arr_sz;
+ nptrs_arr_sz = SIZEOF_StgArrWords + WDS(nptrs);
+ ptrs_arr_sz = SIZEOF_StgMutArrPtrs + WDS(ptrs);
+
+ ALLOC_PRIM (ptrs_arr_sz + nptrs_arr_sz, R1_PTR, unpackClosurezh_fast);
+
+ ptrs_arr = Hp - nptrs_arr_sz - ptrs_arr_sz + WDS(1);
+ nptrs_arr = Hp - nptrs_arr_sz + WDS(1);
+
SET_HDR(ptrs_arr, stg_MUT_ARR_PTRS_FROZEN_info, W_[CCCS]);
StgMutArrPtrs_ptrs(ptrs_arr) = ptrs;
+ p = 0;
for:
if(p < ptrs) {
W_[ptrs_arr + SIZEOF_StgMutArrPtrs + WDS(p)] = StgClosure_payload(R1,p);
goto for;
}
- ALLOC_PRIM (SIZEOF_StgArrWords + WDS(nptrs), R1_PTR, closurePayloadzh_fast);
- nptrs_arr = Hp - SIZEOF_StgArrWords - WDS(nptrs) + WDS(1);
SET_HDR(nptrs_arr, stg_ARR_WORDS_info, W_[CCCS]);
StgArrWords_words(nptrs_arr) = nptrs;
p = 0;
p = p + 1;
goto for2;
}
- RET_PP(ptrs_arr, nptrs_arr);
+ RET_NPP(info, ptrs_arr, nptrs_arr);
}
/* -----------------------------------------------------------------------------
}
#endif
-/* -----------------------------------------------------------------------------
- ** temporary **
+// noDuplicate# tries to ensure that none of the thunks under
+// evaluation by the current thread are also under evaluation by
+// another thread. It relies on *both* threads doing noDuplicate#;
+// the second one will get blocked if they are duplicating some work.
+noDuplicatezh_fast
+{
+ SAVE_THREAD_STATE();
+ ASSERT(StgTSO_what_next(CurrentTSO) == ThreadRunGHC::I16);
+ foreign "C" threadPaused (MyCapability() "ptr", CurrentTSO "ptr") [];
+
+ if (StgTSO_what_next(CurrentTSO) == ThreadKilled::I16) {
+ jump stg_threadFinished;
+ } else {
+ LOAD_THREAD_STATE();
+ ASSERT(StgTSO_what_next(CurrentTSO) == ThreadRunGHC::I16);
+ jump %ENTRY_CODE(Sp(0));
+ }
+}
- 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. Some C compilers can't cope with zero-length static arrays,
- so we have to make these one element long.
- --------------------------------------------------------------------------- */
+getApStackValzh_fast
+{
+ W_ ap_stack, offset, val, ok;
-section "rodata" {
- GHC_ZCCCallable_static_info: W_ 0;
-}
+ /* args: R1 = AP_STACK, R2 = offset */
+ ap_stack = R1;
+ offset = R2;
-section "rodata" {
- GHC_ZCCReturnable_static_info: W_ 0;
+ if (%INFO_PTR(ap_stack) == stg_AP_STACK_info) {
+ ok = 1;
+ val = StgAP_STACK_payload(ap_stack,offset);
+ } else {
+ ok = 0;
+ val = R1;
+ }
+ RET_NP(ok,val);
}