1 /* coffgrok.h
2 Copyright (C) 2001-2023 Free Software Foundation, Inc.
3
4 This file is part of GNU Binutils.
5
6 This program 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 3 of the License, or
9 (at your option) any later version.
10
11 This program 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 this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
20
21 #define T_NULL 0
22 #define T_VOID 1 /* Function argument (only used by compiler). */
23 #define T_CHAR 2 /* Character */
24 #define T_SHORT 3 /* Short integer */
25 #define T_INT 4 /* Integer */
26 #define T_LONG 5 /* Long integer */
27 #define T_FLOAT 6 /* Floating point */
28 #define T_DOUBLE 7 /* Double word */
29 #define T_STRUCT 8 /* Structure */
30 #define T_UNION 9 /* Union */
31 #define T_ENUM 10 /* Enumeration */
32 #define T_MOE 11 /* Member of enumeration*/
33 #define T_UCHAR 12 /* Unsigned character */
34 #define T_USHORT 13 /* Unsigned short */
35 #define T_UINT 14 /* Unsigned integer */
36 #define T_ULONG 15 /* Unsigned long */
37 #define T_LNGDBL 16 /* Long double */
38
39
40 struct coff_reloc
41 {
42 int offset;
43 struct coff_symbol *symbol;
44 int addend;
45 };
46
47 struct coff_section
48 {
49 char *name;
50 int code;
51 int data;
52 int address;
53 int number; /* 0..n, .text = 0 */
54 unsigned int nrelocs;
55 int size;
56 struct coff_reloc *relocs;
57 struct bfd_section *bfd_section;
58 };
59
60 struct coff_ofile
61 {
62 int nsources;
63 struct coff_sfile *source_head;
64 struct coff_sfile *source_tail;
65 int nsections;
66 struct coff_section *sections;
67 struct coff_symbol *symbol_list_head;
68 struct coff_symbol *symbol_list_tail;
69 };
70
71 struct coff_isection
72 {
73 int low;
74 int high;
75 int init;
76 struct coff_section *parent;
77 };
78
79 struct coff_sfile
80 {
81 char *name;
82 struct coff_scope *scope;
83 struct coff_sfile *next;
84
85 /* Vector which maps where in each output section
86 the input file has it's data. */
87 struct coff_isection *section;
88 };
89
90 struct coff_type
91 {
92 int size;
93 enum
94 {
95 coff_pointer_type, coff_function_type, coff_array_type, coff_structdef_type, coff_basic_type,
96 coff_structref_type, coff_enumref_type, coff_enumdef_type, coff_secdef_type
97 } type;
98
99 union
100 {
101 struct
102 {
103 int address;
104 int size;
105 } asecdef;
106
107 struct
108 {
109 int isstruct;
110 struct coff_scope *elements;
111 int idx;
112 } astructdef;
113
114 struct
115 {
116 struct coff_symbol *ref;
117 } astructref;
118
119 struct
120 {
121 struct coff_scope *elements;
122 int idx;
123 } aenumdef;
124
125 struct
126 {
127 struct coff_symbol *ref;
128 } aenumref;
129
130 struct
131 {
132 struct coff_type *points_to;
133 } pointer;
134
135 struct
136 {
137 int dim;
138 struct coff_type *array_of;
139 } array;
140
141 struct
142 {
143 struct coff_type * function_returns;
144 struct coff_scope * parameters;
145 struct coff_scope * code;
146 struct coff_line * lines;
147 } function;
148
149 int basic; /* One of T_VOID.. T_UINT */
150 } u;
151 };
152
153 struct coff_line
154 {
155 int nlines;
156 int * lines;
157 int * addresses;
158 };
159
160 struct coff_scope
161 {
162 struct coff_section * sec; /* Which section. */
163 int offset; /* Where. */
164 int size; /* How big. */
165 struct coff_scope * parent; /* One up. */
166 struct coff_scope * next; /* Next along. */
167 int nvars;
168 struct coff_symbol * vars_head; /* Symbols. */
169 struct coff_symbol * vars_tail;
170 struct coff_scope * list_head; /* Children. */
171 struct coff_scope * list_tail;
172 };
173
174 struct coff_visible
175 {
176 enum coff_vis_type
177 {
178 coff_vis_ext_def,
179 coff_vis_ext_ref,
180 coff_vis_int_def,
181 coff_vis_common,
182 coff_vis_auto,
183 coff_vis_register,
184 coff_vis_tag,
185 coff_vis_member_of_struct,
186 coff_vis_member_of_enum,
187 coff_vis_autoparam,
188 coff_vis_regparam,
189 } type;
190 };
191
192 struct coff_where
193 {
194 enum
195 {
196 coff_where_stack, coff_where_memory, coff_where_register, coff_where_unknown,
197 coff_where_strtag, coff_where_member_of_struct,
198 coff_where_member_of_enum, coff_where_entag, coff_where_typedef
199 } where;
200
201 int offset;
202 int bitoffset;
203 int bitsize;
204 struct coff_section *section;
205 };
206
207 struct coff_symbol
208 {
209 char * name;
210 int tag;
211 struct coff_type * type;
212 struct coff_where * where;
213 struct coff_visible * visible;
214 struct coff_symbol * next;
215 struct coff_symbol * next_in_ofile_list; /* For the ofile list. */
216 int number;
217 int er_number;
218 struct coff_sfile * sfile;
219 };
220
221 struct coff_ofile * coff_grok (bfd *);