/* frags.c - manage frags -
Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2003
+ 1999, 2000, 2001, 2003, 2004
Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
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"
#include "subsegs.h"
frag_wane (frag_now);
frag_new (0);
oldc = frchain_now->frch_obstack.chunk_size;
- frchain_now->frch_obstack.chunk_size = 2 * nchars + SIZEOF_STRUCT_FRAG;
+ /* Try to allocate a bit more than needed right now. But don't do
+ this if we would waste too much memory. Especially necessary
+ for extremely big (like 2GB initialized) frags. */
+ if (nchars < 0x10000)
+ frchain_now->frch_obstack.chunk_size = 2 * nchars;
+ else
+ frchain_now->frch_obstack.chunk_size = nchars + 0x10000;
+ frchain_now->frch_obstack.chunk_size += SIZEOF_STRUCT_FRAG;
if (frchain_now->frch_obstack.chunk_size > 0)
while ((n = obstack_room (&frchain_now->frch_obstack)) < nchars
&& (unsigned long) frchain_now->frch_obstack.chunk_size > nchars)