56 lines
886 B
C
56 lines
886 B
C
/* $Header$ */
|
|
|
|
#include "logging.h"
|
|
#include "global.h"
|
|
#include "mem.h"
|
|
#include "shadow.h"
|
|
#include "fra.h"
|
|
#include "alloc.h"
|
|
|
|
#ifdef LOGGING
|
|
char *FRA_sh; /* shadowbytes */
|
|
#endif /* LOGGING */
|
|
|
|
init_FRA() {
|
|
FRA = Malloc(FRALimit, "Function Return Area");
|
|
#ifdef LOGGING
|
|
FRA_sh = Malloc(FRALimit, "shadowspace for Function Return Area");
|
|
#endif /* LOGGING */
|
|
FRA_def = UNDEFINED; /* set FRA illegal */
|
|
}
|
|
|
|
pushFRA(sz)
|
|
size sz;
|
|
{
|
|
register int i;
|
|
|
|
if (sz == 0)
|
|
return;
|
|
|
|
st_inc(max(sz, wsize));
|
|
for (i = 0; i < sz; i++) {
|
|
stack_loc(SP + i) = FRA[i];
|
|
#ifdef LOGGING
|
|
st_sh(SP + i) = (i < FRASize ? FRA_sh[i] : UNDEFINED);
|
|
#endif /* LOGGING */
|
|
}
|
|
}
|
|
|
|
popFRA(sz)
|
|
size sz;
|
|
{
|
|
register int i;
|
|
|
|
if (sz == 0)
|
|
return;
|
|
|
|
for (i = 0; i < sz; i++) {
|
|
FRA[i] = stack_loc(SP + i);
|
|
#ifdef LOGGING
|
|
FRA_sh[i] = st_sh(SP + i);
|
|
#endif /* LOGGING */
|
|
}
|
|
st_dec(max(sz, wsize));
|
|
}
|
|
|