Commit | Line | Data |
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fecd2382 | 1 | /* frags.h - Header file for the frag concept. |
6efd877d KR |
2 | |
3 | Copyright (C) 1987, 1992 Free Software Foundation, Inc. | |
4 | ||
a39116f1 | 5 | This file is part of GAS, the GNU Assembler. |
6efd877d | 6 | |
a39116f1 RP |
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) | |
10 | any later version. | |
6efd877d | 11 | |
a39116f1 RP |
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. | |
6efd877d | 16 | |
a39116f1 RP |
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. */ | |
fecd2382 | 20 | |
6efd877d | 21 | extern struct obstack frags; |
a39116f1 RP |
22 | /* Frags ONLY live in this obstack. */ |
23 | /* We use obstack_next_free() macro */ | |
24 | /* so please don't put any other objects */ | |
25 | /* on this stack! */ | |
fecd2382 RP |
26 | |
27 | /* | |
28 | * A macro to speed up appending exactly 1 char | |
29 | * to current frag. | |
30 | */ | |
31 | /* JF changed < 1 to <= 1 to avoid a race conditon */ | |
32 | #define FRAG_APPEND_1_CHAR(datum) \ | |
33 | { \ | |
a2a1a548 ILT |
34 | if (obstack_room( &frags ) <= 1) {\ |
35 | frag_wane (frag_now); \ | |
36 | frag_new (0); \ | |
37 | } \ | |
38 | obstack_1grow( &frags, datum ); \ | |
39 | } | |
40 | ||
41 | ||
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, | |
48 | int n_fill)); | |
49 | void frag_new PARAMS ((int old_frags_var_max_size)); | |
50 | void frag_wane PARAMS ((fragS * fragP)); | |
51 | ||
52 | char *frag_variant PARAMS ((relax_stateT type, | |
53 | int max_chars, | |
54 | int var, | |
55 | relax_substateT subtype, | |
56 | symbolS * symbol, | |
57 | long offset, | |
58 | char *opcode, | |
59 | int pcrel_adjust, | |
60 | int bsr)); | |
61 | ||
62 | char *frag_var PARAMS ((relax_stateT type, | |
63 | int max_chars, | |
64 | int var, | |
65 | relax_substateT subtype, | |
66 | symbolS * symbol, | |
67 | long offset, | |
68 | char *opcode)); | |
fecd2382 | 69 | |
8b228fe9 | 70 | /* end of frags.h */ |