/* If nonzero, we've been asked to assemble nan, +inf or -inf */
int generic_floating_point_magic;
\f
+void
floating_constant (expressionP)
expressionS *expressionP;
{
}
-
+void
integer_constant (radix, expressionP)
int radix;
expressionS *expressionP;
{
- register char *digit_2; /*->2nd digit of number. */
+ char *digit_2; /*->2nd digit of number. */
char c;
- register valueT number; /* offset or (absolute) value */
- register short int digit; /* value of next digit in current radix */
- register short int maxdig = 0;/* highest permitted digit value. */
- register int too_many_digits = 0; /* if we see >= this number of */
- register char *name; /* points to name of symbol */
- register symbolS *symbolP; /* points to symbol */
+ valueT number; /* offset or (absolute) value */
+ short int digit; /* value of next digit in current radix */
+ short int maxdig = 0;/* highest permitted digit value. */
+ int too_many_digits = 0; /* if we see >= this number of */
+ char *name; /* points to name of symbol */
+ symbolS *symbolP; /* points to symbol */
int small; /* true if fits in 32 bits. */
extern const char hex_value[]; /* in hex_value.c */
- /* may be bignum, or may fit in 32 bits. */
- /*
- * most numbers fit into 32 bits, and we want this case to be fast.
- * so we pretend it will fit into 32 bits. if, after making up a 32
- * bit number, we realise that we have scanned more digits than
- * comfortably fit into 32 bits, we re-scan the digits coding
- * them into a bignum. for decimal and octal numbers we are conservative: some
- * numbers may be assumed bignums when in fact they do fit into 32 bits.
- * numbers of any radix can have excess leading zeros: we strive
- * to recognise this and cast them back into 32 bits.
- * we must check that the bignum really is more than 32
- * bits, and change it back to a 32-bit number if it fits.
- * the number we are looking for is expected to be positive, but
- * if it fits into 32 bits as an unsigned number, we let it be a 32-bit
- * number. the cavalier approach is for speed in ordinary cases.
- */
+ /* May be bignum, or may fit in 32 bits. */
+ /* Most numbers fit into 32 bits, and we want this case to be fast.
+ so we pretend it will fit into 32 bits. If, after making up a 32
+ bit number, we realise that we have scanned more digits than
+ comfortably fit into 32 bits, we re-scan the digits coding them
+ into a bignum. For decimal and octal numbers we are
+ conservative: Some numbers may be assumed bignums when in fact
+ they do fit into 32 bits. Numbers of any radix can have excess
+ leading zeros: We strive to recognise this and cast them back
+ into 32 bits. We must check that the bignum really is more than
+ 32 bits, and change it back to a 32-bit number if it fits. The
+ number we are looking for is expected to be positive, but if it
+ fits into 32 bits as an unsigned number, we let it be a 32-bit
+ number. The cavalier approach is for speed in ordinary cases. */
switch (radix)
{
}
else
- { /* either not seen or not defined. */
- as_bad ("backw. ref to unknown label \"%d:\", 0 assumed.", number);
+ {
+ /* either not seen or not defined. */
+ /* @@ Should print out the original string instead of
+ the parsed number. */
+ as_bad ("backw. ref to unknown label \"%d:\", 0 assumed.",
+ (int) number);
expressionP->X_seg = absolute_section;
}
}
else
- { /* not a small number */
+ {
+ /* not a small number */
expressionP->X_add_number = number;
expressionP->X_seg = big_section;
input_line_pointer--; /*->char following number. */
- } /* if (small) */
+ }
} /* integer_constant() */
static segT
operand (expressionP)
- register expressionS *expressionP;
+ expressionS *expressionP;
{
- register char c;
- register symbolS *symbolP; /* points to symbol */
- register char *name; /* points to name of symbol */
- /* invented for humans only, hope */
- /* optimising compiler flushes it! */
- register short int radix; /* 2, 8, 10 or 16, 0 when floating */
- /* 0 means we saw start of a floating- */
- /* point constant. */
+ char c;
+ symbolS *symbolP; /* points to symbol */
+ char *name; /* points to name of symbol */
/* digits, assume it is a bignum. */
#endif
symbolP = symbol_new (fake,
now_seg,
- (valueT) (obstack_next_free (&frags) - frag_now->fr_literal),
+ (valueT) ((char*)obstack_next_free (&frags) - frag_now->fr_literal),
frag_now);
expressionP->X_add_number = 0;
static void
clean_up_expression (expressionP)
- register expressionS *expressionP;
+ expressionS *expressionP;
{
segT s = expressionP->X_seg;
if (s == absent_section
symbolS *symbol_2_P;
{
segT return_value;
-#ifndef MANY_SEGMENTS
-#ifndef OBJ_ECOFF
+
+#if !defined (BFD_ASSEMBLER) && (defined (OBJ_AOUT) || defined (OBJ_BOUT))
int test = ((*symbol_1_PP) == NULL
|| (S_GET_SEGMENT (*symbol_1_PP) == text_section)
|| (S_GET_SEGMENT (*symbol_1_PP) == data_section)
|| (!S_IS_DEFINED (symbol_2_P)));
assert (test);
#endif
-#endif
if (*symbol_1_PP)
{
if (!S_IS_DEFINED (*symbol_1_PP))
return_value = absolute_section;
}
}
-#ifndef MANY_SEGMENTS
-#ifndef OBJ_ECOFF
+#if defined (OBJ_AOUT) && !defined (BFD_ASSEMBLER)
test = (return_value == absolute_section
|| return_value == text_section
|| return_value == data_section
|| return_value == pass1_section);
assert (test);
#endif
-#endif
know ((*symbol_1_PP) == NULL
|| (S_GET_SEGMENT (*symbol_1_PP) == return_value));
return (return_value);
/* Return resultP->X_seg. */
segT
expr (rank, resultP)
- register operator_rankT rank; /* Larger # is higher rank. */
- register expressionS *resultP; /* Deliver result here. */
+ operator_rankT rank; /* Larger # is higher rank. */
+ expressionS *resultP; /* Deliver result here. */
{
expressionS right;
- register operatorT op_left;
- register char c_left; /* 1st operator character. */
- register operatorT op_right;
- register char c_right;
+ operatorT op_left;
+ char c_left; /* 1st operator character. */
+ operatorT op_right;
+ char c_right;
know (rank >= 0);
(void) operand (resultP);
* does not cause any further inaccuracy.
*/
- register symbolS *symbolP;
+ symbolS *symbolP;
right.X_add_number = -right.X_add_number;
symbolP = right.X_add_symbol;
{
segT seg1;
segT seg2;
-#ifndef MANY_SEGMENTS
-#ifndef OBJ_ECOFF
+#if 0 /* @@ This rejects stuff in common sections too. Figure out some
+ reasonable test, and make it clean... */
+#if !defined (MANY_SEGMENTS) && !defined (OBJ_ECOFF)
know (resultP->X_seg == data_section || resultP->X_seg == text_section || resultP->X_seg == bss_section || resultP->X_seg == undefined_section || resultP->X_seg == diff_section || resultP->X_seg == absolute_section || resultP->X_seg == pass1_section || resultP->X_seg == reg_section);
know (right.X_seg == data_section || right.X_seg == text_section || right.X_seg == bss_section || right.X_seg == undefined_section || right.X_seg == diff_section || right.X_seg == absolute_section || right.X_seg == pass1_section);
#endif
-#endif
+#endif /* 0 */
clean_up_expression (&right);
clean_up_expression (resultP);
/* Will be absolute_section. */
if (resultP->X_seg != absolute_section || right.X_seg != absolute_section)
{
- as_bad ("Relocation error. Absolute 0 assumed.");
+ as_bad ("Relocation error: Symbolic expressions may only involve");
+ as_bad (" addition and subtraction. Absolute 0 assumed.");
resultP->X_seg = absolute_section;
resultP->X_add_number = 0;
}
}
else
{
- as_warn ("Division by 0. 0 assumed.");
+ as_warn ("Division by 0. Result of 0 substituted.");
resultP->X_add_number = 0;
}
break;
break;
case O_right_shift:
+ /* @@ We should distinguish signed versus
+ unsigned here somehow. */
resultP->X_add_number >>= right.X_add_number;
break;
char
get_symbol_end ()
{
- register char c;
+ char c;
while (is_part_of_name (c = *input_line_pointer++))
;
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