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Implement yield from C hooks.

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Get number of multiple results from C frame.
Add lj_cont_hook: restores multres and dispatch to static ins.
Can use fastcall for lj_dispatch_ins() now.
This commit is contained in:
Mike Pall
2009-12-30 02:37:57 +01:00
parent 52eb88773e
commit 9de0f53a8d
9 changed files with 956 additions and 938 deletions
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7
src/lj_dispatch.c
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@@ -258,15 +258,16 @@ static BCReg cur_topslot(GCproto *pt, const BCIns *pc, uint32_t nres)
}
/* Instruction dispatch callback for instr/line hooks or when recording. */
void lj_dispatch_ins(lua_State *L, const BCIns *pc, uint32_t nres)
void LJ_FASTCALL lj_dispatch_ins(lua_State *L, const BCIns *pc)
{
GCfunc *fn = curr_func(L);
GCproto *pt = funcproto(fn);
BCReg slots = cur_topslot(pt, pc, nres);
global_State *g = G(L);
void *cf = cframe_raw(L->cframe);
const BCIns *oldpc = cframe_pc(cf);
global_State *g = G(L);
BCReg slots;
setcframe_pc(cf, pc);
slots = cur_topslot(pt, pc, cframe_multres(cf));
L->top = L->base + slots; /* Fix top. */
#if LJ_HASJIT
{