X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FStgStartup.hc;h=bed23129b0c0231940ff53df1a9d4084dc32ef68;hb=50027272414438955dbc41696541cbd25da55883;hp=cb8beca5e82c741d4a4bc641f77883faf16e22b2;hpb=3fa88f96f487677db1b42de45721fa1b4784f782;p=ghc-hetmet.git diff --git a/ghc/rts/StgStartup.hc b/ghc/rts/StgStartup.hc index cb8beca..bed2312 100644 --- a/ghc/rts/StgStartup.hc +++ b/ghc/rts/StgStartup.hc @@ -1,5 +1,5 @@ /* ----------------------------------------------------------------------------- - * $Id: StgStartup.hc,v 1.8 2000/03/16 12:40:40 simonmar Exp $ + * $Id: StgStartup.hc,v 1.15 2001/03/23 16:36:21 simonmar Exp $ * * (c) The GHC Team, 1998-1999 * @@ -7,6 +7,7 @@ * * ---------------------------------------------------------------------------*/ +#include "Stg.h" #include "Rts.h" #include "StgRun.h" /* StgReturn */ #include "StgStartup.h" @@ -76,12 +77,15 @@ STGFUN(stg_stop_thread_entry) * tidy up the registers and return to the scheduler. */ - /* Move Su just off the end of the stack, we're about to spam the - * STOP_FRAME with the return value. + /* Move Sp to the last word on the stack, and Su to just past the end + * of the stack. We then place the return value at the top of the stack. */ + Sp += sizeofW(StgStopFrame) - 1; Su = (StgUpdateFrame *)(Sp+1); Sp[0] = R1.w; + CurrentTSO->what_next = ThreadComplete; + SaveThreadState(); /* inline! */ /* R1 contains the return value of the thread */ @@ -131,12 +135,10 @@ STGFUN(stg_enterStackTop) Special STG entry points for module registration. This stuff is problematic for Hugs, because it introduces a - dependency between the RTS and the program (ie. __init_Main). So + dependency between the RTS and the program (ie. __init_PrelMain). So we currently disable module initialisation for Hugs. -------------------------------------------------------------------------- */ -#ifndef INTERPRETER - extern F_ *init_stack; STGFUN(stg_init_ret) @@ -146,15 +148,15 @@ STGFUN(stg_init_ret) FE_ } +/* On entry to stg_init: + * init_stack[0] = &stg_init_ret; + * init_stack[1] = __init_Something; + */ STGFUN(stg_init) { - EF_(__init_Main); - EF_(__init_Prelude); FB_ - Sp = (P_)init_stack; - PUSH_INIT_STACK(stg_init_ret); - PUSH_INIT_STACK(__init_Prelude); - JMP_(__init_Main); + Sp = BaseReg->rSp; + JMP_(POP_INIT_STACK()); FE_ } @@ -162,5 +164,3 @@ STGFUN(stg_init) START_MOD_INIT(__init_PrelGHC); END_MOD_INIT(); - -#endif /* !INTERPRETER */