locsym->lsy_value = frag_now_fix ();
}
else if (!(S_IS_DEFINED (symbolP) || symbol_equated_p (symbolP))
- || S_IS_COMMON (symbolP))
+ || S_IS_COMMON (symbolP)
+ || S_IS_VOLATILE (symbolP))
{
+ if (S_IS_VOLATILE (symbolP))
+ {
+ symbolP = symbol_clone (symbolP, 1);
+ S_SET_VALUE (symbolP, 0);
+ S_CLEAR_VOLATILE (symbolP);
+ }
if (S_GET_VALUE (symbolP) == 0)
{
symbolP->sy_frag = frag_now;
&& S_IS_EXTERNAL (symbolP))
|| S_GET_SEGMENT (symbolP) == bss_section)
&& (now_seg == data_section
+ || now_seg == bss_section
|| now_seg == S_GET_SEGMENT (symbolP)))
{
/* Select which of the 2 cases this is. */
if (!(frag_now == symbolP->sy_frag
&& S_GET_VALUE (symbolP) == frag_now_fix ()
&& S_GET_SEGMENT (symbolP) == now_seg))
- as_bad (_("symbol `%s' is already defined"), sym_name);
+ {
+ as_bad (_("symbol `%s' is already defined"), sym_name);
+ symbolP = symbol_clone (symbolP, 0);
+ }
}
}
sub-expressions used. */
int
-snapshot_symbol (symbolS *symbolP, valueT *valueP, segT *segP, fragS **fragPP)
+snapshot_symbol (symbolS **symbolPP, valueT *valueP, segT *segP, fragS **fragPP)
{
+ symbolS *symbolP = *symbolPP;
+
if (LOCAL_SYMBOL_CHECK (symbolP))
{
struct local_symbol *locsym = (struct local_symbol *) symbolP;
{
case O_constant:
case O_register:
- /* This check wouldn't be needed if pseudo_set() didn't set
- symbols equated to bare symbols to undefined_section. */
- if (symbolP->bsym->section != undefined_section
- || symbolP->sy_value.X_op != O_symbol)
+ if (!symbol_equated_p (symbolP))
break;
/* Fall thru. */
case O_symbol:
}
}
+ /* Never change a defined symbol. */
+ if (symbolP->bsym->section == undefined_section
+ || symbolP->bsym->section == expr_section)
+ *symbolPP = symbolP;
*valueP = expr.X_add_number;
*segP = symbolP->bsym->section;
*fragPP = symbolP->sy_frag;
if (s->sy_value.X_op != O_constant)
{
- static symbolS *recur;
-
- /* FIXME: In non BFD assemblers, S_IS_DEFINED and S_IS_COMMON
- may call S_GET_VALUE. We use a static symbol to avoid the
- immediate recursion. */
- if (recur == s)
- return (valueT) s->sy_value.X_add_number;
- recur = s;
if (! s->sy_resolved
|| s->sy_value.X_op != O_symbol
|| (S_IS_DEFINED (s) && ! S_IS_COMMON (s)))
as_bad (_("attempt to get value of unresolved symbol `%s'"),
S_GET_NAME (s));
- recur = NULL;
}
return (valueT) s->sy_value.X_add_number;
}
s->sy_volatile = 1;
}
+void
+S_CLEAR_VOLATILE (symbolS *s)
+{
+ if (!LOCAL_SYMBOL_CHECK (s))
+ s->sy_volatile = 0;
+}
+
void
S_SET_FORWARD_REF (symbolS *s)
{