1 /* frags.h - Header file for the frag concept.
3 Copyright (C) 1987, 1992 Free Software Foundation, Inc.
5 This file is part of GAS, the GNU Assembler.
7 GAS is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GAS is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GAS; see the file COPYING. If not, write to
19 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 extern struct obstack frags;
22 /* Frags ONLY live in this obstack. */
23 /* We use obstack_next_free() macro */
24 /* so please don't put any other objects */
28 * A macro to speed up appending exactly 1 char
31 /* JF changed < 1 to <= 1 to avoid a race conditon */
32 #define FRAG_APPEND_1_CHAR(datum) \
34 if (obstack_room( &frags ) <= 1) {\
35 frag_wane (frag_now); \
38 obstack_1grow( &frags, datum ); \
42 void frag_init PARAMS ((void));
43 void frag_grow PARAMS ((unsigned int nchars));
44 char *frag_more PARAMS ((int nchars));
45 void frag_align PARAMS ((int alignment, int fill_character));
46 void frag_align_pattern PARAMS ((int alignment,
47 const char *fill_pattern,
49 void frag_new PARAMS ((int old_frags_var_max_size));
50 void frag_wane PARAMS ((fragS * fragP));
52 char *frag_variant PARAMS ((relax_stateT type,
55 relax_substateT subtype,
62 char *frag_var PARAMS ((relax_stateT type,
65 relax_substateT subtype,