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a1ef3baf C |
1 | /* struct_symbol.h - Internal symbol structure |
2 | Copyright (C) 1987 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GAS, the GNU Assembler. | |
5 | ||
6 | GAS is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 1, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GAS is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GAS; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | #ifndef VMS | |
21 | #include "a.out.gnu.h" /* Needed to define struct nlist. Sigh. */ | |
22 | #else | |
23 | #include "a_out.h" | |
24 | #endif | |
25 | ||
26 | struct symbol /* our version of an nlist node */ | |
27 | { | |
28 | struct nlist sy_nlist; /* what we write in .o file (if permitted) */ | |
29 | long unsigned sy_name_offset; /* 4-origin position of sy_name in symbols */ | |
30 | /* part of object file. */ | |
31 | /* 0 for (nameless) .stabd symbols. */ | |
32 | /* Not used until write_object_file() time. */ | |
33 | long int sy_number; /* 24 bit symbol number. */ | |
34 | /* Symbol numbers start at 0 and are */ | |
35 | /* unsigned. */ | |
36 | struct symbol * sy_next; /* forward chain, or NULL */ | |
37 | struct frag * sy_frag; /* NULL or -> frag this symbol attaches to. */ | |
38 | struct symbol *sy_forward; /* value is really that of this other symbol */ | |
39 | }; | |
40 | ||
41 | typedef struct symbol symbolS; | |
42 | ||
43 | #define sy_name sy_nlist .n_un. n_name | |
44 | /* Name field always points to a string. */ | |
45 | /* 0 means .stabd-like anonymous symbol. */ | |
46 | #define sy_type sy_nlist. n_type | |
47 | #define sy_other sy_nlist. n_other | |
48 | #define sy_desc sy_nlist. n_desc | |
49 | #define sy_value sy_nlist. n_value | |
50 | /* Value of symbol is this value + object */ | |
51 | /* file address of sy_frag. */ | |
52 | ||
53 | typedef unsigned valueT; /* The type of n_value. Helps casting. */ | |
54 | ||
55 | /* end: struct_symbol.h */ | |
56 | #ifndef WORKING_DOT_WORD | |
57 | struct broken_word { | |
58 | struct broken_word *next_broken_word;/* One of these strucs per .word x-y */ | |
59 | fragS *frag; /* Which frag its in */ | |
60 | char *word_goes_here;/* Where in the frag it is */ | |
61 | fragS *dispfrag; /* where to add the break */ | |
62 | symbolS *add; /* symbol_x */ | |
63 | symbolS *sub; /* - symbol_y */ | |
64 | long addnum; /* + addnum */ | |
65 | int added; /* nasty thing happend yet? */ | |
66 | /* 1: added and has a long-jump */ | |
67 | /* 2: added but uses someone elses long-jump */ | |
68 | struct broken_word *use_jump; /* points to broken_word with a similar | |
69 | long-jump */ | |
70 | }; | |
71 | extern struct broken_word *broken_words; | |
72 | #endif |