summaryrefslogtreecommitdiff
path: root/binutils/coffgrok.h
blob: 154f3cb0142d453c47e2634fb34ffc5a522dbf89 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
/* coffgrok.h
   Copyright (C) 2001-2023 Free Software Foundation, Inc.

   This file is part of GNU Binutils.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#define T_NULL		0
#define T_VOID		1	/* Function argument (only used by compiler).  */
#define T_CHAR		2	/* Character		*/
#define T_SHORT		3	/* Short integer	*/
#define T_INT		4	/* Integer		*/
#define T_LONG		5	/* Long integer		*/
#define T_FLOAT		6	/* Floating point	*/
#define T_DOUBLE	7	/* Double word		*/
#define T_STRUCT	8	/* Structure 		*/
#define T_UNION		9	/* Union 		*/
#define T_ENUM		10	/* Enumeration 		*/
#define T_MOE		11	/* Member of enumeration*/
#define T_UCHAR		12	/* Unsigned character	*/
#define T_USHORT	13	/* Unsigned short	*/
#define T_UINT		14	/* Unsigned integer	*/
#define T_ULONG		15	/* Unsigned long	*/
#define T_LNGDBL	16	/* Long double		*/


struct coff_reloc
{
  int offset;
  struct coff_symbol *symbol;
  int addend;
};

struct coff_section
{
  char *name;
  int code;
  int data;
  int address;
  int number;  /* 0..n, .text = 0 */
  unsigned int nrelocs;
  int size;
  struct coff_reloc *relocs;
  struct bfd_section *bfd_section;
};

struct coff_ofile
{
  int nsources;
  struct coff_sfile *source_head;
  struct coff_sfile *source_tail;
  int nsections;
  struct coff_section *sections;
  struct coff_symbol *symbol_list_head;
  struct coff_symbol *symbol_list_tail;
};

struct coff_isection
{
  int low;
  int high;
  int init;
  struct coff_section *parent;
};

struct coff_sfile
{
  char *name;
  struct coff_scope *scope;
  struct coff_sfile *next;

  /* Vector which maps where in each output section
     the input file has it's data.  */
  struct coff_isection *section;
};

struct coff_type
{
  int size;
  enum
    {
      coff_pointer_type, coff_function_type, coff_array_type, coff_structdef_type, coff_basic_type,
      coff_structref_type, coff_enumref_type, coff_enumdef_type, coff_secdef_type
    } type;

  union
    {
      struct
      {
	int address;
	int size;
      } asecdef;

      struct
      {
	int isstruct;
	struct coff_scope *elements;
	int idx;
      } astructdef;

      struct
      {
	struct coff_symbol *ref;
      } astructref;

      struct
      {
	struct coff_scope *elements;
	int idx;
      } aenumdef;

      struct
      {
	struct coff_symbol *ref;
      } aenumref;

      struct
      {
	struct coff_type *points_to;
      } pointer;

      struct
      {
	int dim;
	struct coff_type *array_of;
      } array;

      struct
      {
	struct coff_type *   function_returns;
	struct coff_scope *  parameters;
	struct coff_scope *  code;
	struct coff_line *   lines;
      } function;

      int basic;		/* One of T_VOID.. T_UINT */
  } u;
};

struct coff_line
{
  int   nlines;
  int * lines;
  int * addresses;
};

struct coff_scope
{
  struct coff_section * sec;     /* Which section.  */
  int                   offset;  /* Where.  */
  int                   size;    /* How big.  */
  struct coff_scope *   parent;	 /* One up.  */
  struct coff_scope *   next;	 /* Next along.  */
  int                   nvars;
  struct coff_symbol *  vars_head;	/* Symbols.  */
  struct coff_symbol *  vars_tail;
  struct coff_scope *   list_head;	/* Children.  */
  struct coff_scope *   list_tail;
};

struct coff_visible
{
  enum coff_vis_type
  {
    coff_vis_ext_def,
    coff_vis_ext_ref,
    coff_vis_int_def,
    coff_vis_common,
    coff_vis_auto,
    coff_vis_register,
    coff_vis_tag,
    coff_vis_member_of_struct,
    coff_vis_member_of_enum,
    coff_vis_autoparam,
    coff_vis_regparam,
  } type;
};

struct coff_where
{
  enum
  {
    coff_where_stack, coff_where_memory, coff_where_register, coff_where_unknown,
    coff_where_strtag, coff_where_member_of_struct,
    coff_where_member_of_enum, coff_where_entag, coff_where_typedef
  } where;

  int offset;
  int bitoffset;
  int bitsize;
  struct coff_section *section;
};

struct coff_symbol
{
  char *                name;
  int                   tag;
  struct coff_type *    type;
  struct coff_where *   where;
  struct coff_visible * visible;
  struct coff_symbol *  next;
  struct coff_symbol *  next_in_ofile_list; /* For the ofile list.  */
  int                   number;
  int                   er_number;
  struct coff_sfile *   sfile;
};

struct coff_ofile * coff_grok (bfd *);