diff options
Diffstat (limited to 'includes/rts/NonMoving.h')
| -rw-r--r-- | includes/rts/NonMoving.h | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/includes/rts/NonMoving.h b/includes/rts/NonMoving.h index f64769e8a9..314c582a1e 100644 --- a/includes/rts/NonMoving.h +++ b/includes/rts/NonMoving.h @@ -13,10 +13,31 @@ #pragma once +// Forward declaration for Stg.h +struct StgClosure_; +struct StgThunk_; +struct Capability_; + /* This is called by the code generator */ extern DLL_IMPORT_RTS -void updateRemembSetPushClosure_(StgRegTable *reg, StgClosure *p); +void updateRemembSetPushClosure_(StgRegTable *reg, struct StgClosure_ *p); + +extern DLL_IMPORT_RTS +void updateRemembSetPushThunk_(StgRegTable *reg, struct StgThunk_ *p); + +// Forward declaration for unregisterised backend. +EF_(stg_copyArray_barrier); -void updateRemembSetPushClosure(Capability *cap, StgClosure *p); +// Note that RTS code should not condition on this directly by rather +// use the IF_NONMOVING_WRITE_BARRIER_ENABLED macro to ensure that +// the barrier is eliminated in the non-threaded RTS. +extern StgWord DLL_IMPORT_DATA_VAR(nonmoving_write_barrier_enabled); -void updateRemembSetPushThunk_(StgRegTable *reg, StgThunk *p); +// A similar macro is defined in includes/Cmm.h for C-- code. +#if defined(THREADED_RTS) +#define IF_NONMOVING_WRITE_BARRIER_ENABLED \ + if (RTS_UNLIKELY(nonmoving_write_barrier_enabled)) +#else +#define IF_NONMOVING_WRITE_BARRIER_ENABLED \ + if (0) +#endif |