X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2FStgStartup.cmm;h=f8940c4196d685148a5c05394fbc06836f703bb9;hp=2f2a759c81b752b0f4c7f686b958ed82fb127f93;hb=HEAD;hpb=0065d5ab628975892cea1ec7303f968c3338cbe1 diff --git a/rts/StgStartup.cmm b/rts/StgStartup.cmm index 2f2a759..f8940c4 100644 --- a/rts/StgStartup.cmm +++ b/rts/StgStartup.cmm @@ -28,39 +28,18 @@ ASSERT(Hp != 0); \ ASSERT(Sp != 0); \ ASSERT(SpLim != 0); \ - ASSERT(HpLim != 0); \ - ASSERT(SpLim - WDS(RESERVED_STACK_WORDS) <= Sp); \ - ASSERT(HpLim >= Hp); + ASSERT(SpLim - WDS(RESERVED_STACK_WORDS) <= Sp); /* ----------------------------------------------------------------------------- Returning from the STG world. - - This is a polymorphic return address, meaning that any old constructor - can be returned, we don't care (actually, it's probably going to be - an IOok constructor, which will indirect through the vector table - slot 0). -------------------------------------------------------------------------- */ +INFO_TABLE_RET( stg_stop_thread, STOP_FRAME, #if defined(PROFILING) -#define STOP_THREAD_BITMAP 3 -#define STOP_THREAD_WORDS 2 -#else -#define STOP_THREAD_BITMAP 0 -#define STOP_THREAD_WORDS 0 + W_ unused, + W_ unused #endif - -/* A polymorhpic return address, where all the vector slots point to the - direct entry point. */ -INFO_TABLE_RET( stg_stop_thread, STOP_THREAD_WORDS, STOP_THREAD_BITMAP, - STOP_FRAME, - RET_LBL(stg_stop_thread), - RET_LBL(stg_stop_thread), - RET_LBL(stg_stop_thread), - RET_LBL(stg_stop_thread), - RET_LBL(stg_stop_thread), - RET_LBL(stg_stop_thread), - RET_LBL(stg_stop_thread), - RET_LBL(stg_stop_thread) ) +) { /* The final exit. @@ -143,6 +122,13 @@ stg_returnToSchedButFirst jump R2; } +stg_threadFinished +{ + StgRegTable_rRet(BaseReg) = ThreadFinished; + R1 = BaseReg; + jump StgReturn; +} + /* ----------------------------------------------------------------------------- Strict IO application - performing an IO action and entering its result. @@ -154,46 +140,15 @@ stg_returnToSchedButFirst forceIO takes care of this, performing the IO action and entering the results that comes back. - ------------------------------------------------------------------------- */ - -INFO_TABLE_RET( stg_forceIO, 0/*size*/, 0/*bitmap*/, RET_SMALL) - -#ifdef REG_R1 -{ - Sp_adj(1); - ENTER(); -} -#else -{ - R1 = Sp(0); - Sp_adj(2); - ENTER(); -} -#endif - -/* ----------------------------------------------------------------------------- - Non-strict IO application. - This stack frame works like stg_forceIO_info except that it - doesn't evaluate the return value. We need the layer because the - return convention for an IO action differs depending on whether R1 - is a register or not. ------------------------------------------------------------------------- */ -INFO_TABLE_RET( stg_noforceIO, 0/*size*/, 0/*bitmap*/, RET_SMALL ) +INFO_TABLE_RET( stg_forceIO, RET_SMALL) -#ifdef REG_R1 { Sp_adj(1); - jump %ENTRY_CODE(Sp(0)); -} -#else -{ - R1 = Sp(0); - Sp_adj(2); - jump %ENTRY_CODE(Sp(0)); + ENTER(); } -#endif /* ----------------------------------------------------------------------------- Special STG entry points for module registration.