static int
readint(const char *str)
{
int ret;
while(str[0] == '#' || str[0] == '(')
str++;
if(sscanf(str, "0x%x", &ret))
return(ret);
if(!sscanf(str, "%d", &ret))
{
wassertl (0, "readint() got non-integer argument.");
ret = -1;
}
return(ret);
}
/*-----------------------------------------------------------------*/
static symbol *
createStackSpil (symbol * sym)
{
symbol *sloc = NULL;
struct dbuf_s dbuf;
D (D_ALLOC, ("createStackSpil: for sym %p %s\n", sym, sym->name));
/* first go try and find a free one that is already
existing on the stack */
if (applyToSet (_G.stackSpil, isFreeSTM8, &sloc, sym))
{
/* found a free one : just update & return */
sym->usl.spillLoc = sloc;
sym->stackSpil = 1;
sloc->isFree = 0;
addSetHead (&sloc->usl.itmpStack, sym);
D (D_ALLOC, ("createStackSpil: found existing\n"));
return sym;
}
/* could not then have to create one , this is the hard part
we need to allocate this on the stack : this is really a
hack!! but cannot think of anything better at this time */
dbuf_init (&dbuf, 128);
dbuf_printf (&dbuf, "sloc%d", _G.slocNum++);
sloc = newiTemp (dbuf_c_str (&dbuf));
dbuf_destroy (&dbuf);
/* set the type to the spilling symbol */
sloc->type = copyLinkChain (sym->type);
sloc->etype = getSpec (sloc->type);
SPEC_SCLS (sloc->etype) = S_AUTO;
SPEC_EXTR (sloc->etype) = 0;
SPEC_STAT (sloc->etype) = 0;
SPEC_VOLATILE (sloc->etype) = 0;
allocLocal (sloc);
sloc->isref = 1; /* to prevent compiler warning */
wassertl (currFunc, "Local variable used outside of function.");
/* if it is on the stack then update the stack */
if (IN_STACK (sloc->etype))
{
if (currFunc)
currFunc->stack += getSize (sloc->type);
_G.stackExtend += getSize (sloc->type);
}
else
{
_G.dataExtend += getSize (sloc->type);
}
/* add it to the stackSpil set */
addSetHead (&_G.stackSpil, sloc);
sym->usl.spillLoc = sloc;
sym->stackSpil = 1;
/* add it to the set of itempStack set
of the spill location */
addSetHead (&sloc->usl.itmpStack, sym);
D (D_ALLOC, ("createStackSpil: created new\n"));
return sym;
}