You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include "as.h"
that they reference. */
void /* Knows about order of bytes in address. */
-md_apply_fix3 (fixP, valueP, seg)
+md_apply_fix (fixP, valueP, seg)
fixS *fixP;
valueT *valueP;
segT seg ATTRIBUTE_UNUSED;
}
return retval;
}
+
+/*
+ * Copy a bignum from in to out.
+ * If the output is shorter than the input, copy lower-order
+ * littlenums. Return 0 or the number of significant littlenums
+ * dropped. Assumes littlenum arrays are densely packed: no unused
+ * chars between the littlenums. Uses memcpy() to move littlenums, and
+ * wants to know length (in chars) of the input bignum.
+ */
+
+static int
+bignum_copy (register LITTLENUM_TYPE *in,
+ register int in_length, /* in sizeof(littlenum)s */
+ register LITTLENUM_TYPE *out,
+ register int out_length /* in sizeof(littlenum)s */)
+{
+ int significant_littlenums_dropped;
+
+ if (out_length < in_length)
+ {
+ LITTLENUM_TYPE *p; /* -> most significant (non-zero) input
+ littlenum. */
+
+ memcpy ((void *) out, (void *) in,
+ (unsigned int) out_length << LITTLENUM_SHIFT);
+ for (p = in + in_length - 1; p >= in; --p)
+ {
+ if (*p)
+ break;
+ }
+ significant_littlenums_dropped = p - in - in_length + 1;
+
+ if (significant_littlenums_dropped < 0)
+ {
+ significant_littlenums_dropped = 0;
+ }
+ }
+ else
+ {
+ memcpy ((char *) out, (char *) in,
+ (unsigned int) in_length << LITTLENUM_SHIFT);
+
+ if (out_length > in_length)
+ {
+ memset ((char *) (out + in_length),
+ '\0',
+ (unsigned int) (out_length - in_length) << LITTLENUM_SHIFT);
+ }
+
+ significant_littlenums_dropped = 0;
+ }
+
+ return (significant_littlenums_dropped);
+}
\f
/* vax:md_assemble() emit frags for 1 instruction */
p[0] = (operandP->vop_mode << 4) | 0xF;
if ((is_absolute) && (expP->X_op != O_big))
{
- /*
- * If nbytes > 4, then we are scrod. We
- * don't know if the high order bytes
- * are to be 0xFF or 0x00. BSD4.2 & RMS
- * say use 0x00. OK --- but this
- * assembler needs ANOTHER rewrite to
- * cope properly with this bug. */
- md_number_to_chars (p + 1, this_add_number, min (4, nbytes));
- if (nbytes > 4)
- {
- memset (p + 5, '\0', nbytes - 4);
- }
+ /* If nbytes > 4, then we are scrod. We
+ don't know if the high order bytes
+ are to be 0xFF or 0x00. BSD4.2 & RMS
+ say use 0x00. OK --- but this
+ assembler needs ANOTHER rewrite to
+ cope properly with this bug. */
+ md_number_to_chars (p + 1, this_add_number,
+ min (sizeof (valueT),
+ (size_t) nbytes));
+ if ((size_t) nbytes > sizeof (valueT))
+ memset (p + 5, '\0', nbytes - sizeof (valueT));
}
else
{