summaryrefslogtreecommitdiff
path: root/gnu/egcs/gcc/dwarf.h
blob: 6aca017e6e511dd176a40332f5a66b76b320f77b (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
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
/* Declarations and definitions of codes relating to the DWARF symbolic
   debugging information format.

   Written by Ron Guilmette (rfg@netcom.com)

Copyright (C) 1992 Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC 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 2, or (at your option)
any later version.

GNU CC 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 GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* This file is derived from the DWARF specification (a public document)
   Revision 1.0.1 (April 8, 1992) developed by the UNIX International
   Programming Languages Special Interest Group (UI/PLSIG) and distributed
   by UNIX International.  Copies of this specification are available from
   UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
*/

/* Tag names and codes.  */

enum dwarf_tag {
    TAG_padding			= 0x0000,
    TAG_array_type		= 0x0001,
    TAG_class_type		= 0x0002,
    TAG_entry_point		= 0x0003,
    TAG_enumeration_type	= 0x0004,
    TAG_formal_parameter	= 0x0005,
    TAG_global_subroutine	= 0x0006,
    TAG_global_variable		= 0x0007,
    				/* 0x0008 -- reserved */
				/* 0x0009 -- reserved */
    TAG_label			= 0x000a,
    TAG_lexical_block		= 0x000b,
    TAG_local_variable		= 0x000c,
    TAG_member			= 0x000d,
				/* 0x000e -- reserved */
    TAG_pointer_type		= 0x000f,
    TAG_reference_type		= 0x0010,
    TAG_compile_unit		= 0x0011,
    TAG_string_type		= 0x0012,
    TAG_structure_type		= 0x0013,
    TAG_subroutine		= 0x0014,
    TAG_subroutine_type		= 0x0015,
    TAG_typedef			= 0x0016,
    TAG_union_type		= 0x0017,
    TAG_unspecified_parameters	= 0x0018,
    TAG_variant			= 0x0019,
    TAG_common_block		= 0x001a,
    TAG_common_inclusion	= 0x001b,
    TAG_inheritance		= 0x001c,
    TAG_inlined_subroutine	= 0x001d,
    TAG_module			= 0x001e,
    TAG_ptr_to_member_type	= 0x001f,
    TAG_set_type		= 0x0020,
    TAG_subrange_type		= 0x0021,
    TAG_with_stmt		= 0x0022,

    /* GNU extensions */

    TAG_format_label		= 0x8000,  /* for FORTRAN 77 and Fortran 90 */
    TAG_namelist		= 0x8001,  /* For Fortran 90 */
    TAG_function_template	= 0x8002,  /* for C++ */
    TAG_class_template		= 0x8003   /* for C++ */
};

#define TAG_lo_user	0x8000  /* implementation-defined range start */
#define TAG_hi_user	0xffff  /* implementation-defined range end */
#define TAG_source_file TAG_compile_unit  /* for backward compatibility */

/* Form names and codes.  */

enum dwarf_form {
    FORM_ADDR	= 0x1,
    FORM_REF	= 0x2,
    FORM_BLOCK2	= 0x3,
    FORM_BLOCK4	= 0x4,
    FORM_DATA2	= 0x5,
    FORM_DATA4	= 0x6,
    FORM_DATA8	= 0x7,
    FORM_STRING	= 0x8
};

/* Attribute names and codes.  */

enum dwarf_attribute {
    AT_sibling			= (0x0010|FORM_REF),
    AT_location			= (0x0020|FORM_BLOCK2),
    AT_name			= (0x0030|FORM_STRING),
    AT_fund_type		= (0x0050|FORM_DATA2),
    AT_mod_fund_type		= (0x0060|FORM_BLOCK2),
    AT_user_def_type		= (0x0070|FORM_REF),
    AT_mod_u_d_type		= (0x0080|FORM_BLOCK2),
    AT_ordering			= (0x0090|FORM_DATA2),
    AT_subscr_data		= (0x00a0|FORM_BLOCK2),
    AT_byte_size		= (0x00b0|FORM_DATA4),
    AT_bit_offset		= (0x00c0|FORM_DATA2),
    AT_bit_size			= (0x00d0|FORM_DATA4),
				/* (0x00e0|FORM_xxxx) -- reserved */
    AT_element_list		= (0x00f0|FORM_BLOCK4),
    AT_stmt_list		= (0x0100|FORM_DATA4),
    AT_low_pc			= (0x0110|FORM_ADDR),
    AT_high_pc			= (0x0120|FORM_ADDR),
    AT_language			= (0x0130|FORM_DATA4),
    AT_member			= (0x0140|FORM_REF),
    AT_discr			= (0x0150|FORM_REF),
    AT_discr_value		= (0x0160|FORM_BLOCK2),
				/* (0x0170|FORM_xxxx) -- reserved */
				/* (0x0180|FORM_xxxx) -- reserved */
    AT_string_length		= (0x0190|FORM_BLOCK2),
    AT_common_reference		= (0x01a0|FORM_REF),
    AT_comp_dir			= (0x01b0|FORM_STRING),
        AT_const_value_string	= (0x01c0|FORM_STRING),
        AT_const_value_data2	= (0x01c0|FORM_DATA2),
        AT_const_value_data4	= (0x01c0|FORM_DATA4),
        AT_const_value_data8	= (0x01c0|FORM_DATA8),
        AT_const_value_block2	= (0x01c0|FORM_BLOCK2),
        AT_const_value_block4	= (0x01c0|FORM_BLOCK4),
    AT_containing_type		= (0x01d0|FORM_REF),
        AT_default_value_addr	= (0x01e0|FORM_ADDR),
        AT_default_value_data2	= (0x01e0|FORM_DATA2),
        AT_default_value_data4	= (0x01e0|FORM_DATA4),
        AT_default_value_data8	= (0x01e0|FORM_DATA8),
        AT_default_value_string	= (0x01e0|FORM_STRING),
    AT_friends			= (0x01f0|FORM_BLOCK2),
    AT_inline			= (0x0200|FORM_STRING),
    AT_is_optional		= (0x0210|FORM_STRING),
        AT_lower_bound_ref	= (0x0220|FORM_REF),
        AT_lower_bound_data2	= (0x0220|FORM_DATA2),
        AT_lower_bound_data4	= (0x0220|FORM_DATA4),
        AT_lower_bound_data8	= (0x0220|FORM_DATA8),
    AT_private			= (0x0240|FORM_STRING),
    AT_producer			= (0x0250|FORM_STRING),
    AT_program			= (0x0230|FORM_STRING),
    AT_protected		= (0x0260|FORM_STRING),
    AT_prototyped		= (0x0270|FORM_STRING),
    AT_public			= (0x0280|FORM_STRING),
    AT_pure_virtual		= (0x0290|FORM_STRING),
    AT_return_addr		= (0x02a0|FORM_BLOCK2),
    AT_abstract_origin		= (0x02b0|FORM_REF),
    AT_start_scope		= (0x02c0|FORM_DATA4),
    AT_stride_size		= (0x02e0|FORM_DATA4),
        AT_upper_bound_ref	= (0x02f0|FORM_REF),
        AT_upper_bound_data2	= (0x02f0|FORM_DATA2),
        AT_upper_bound_data4	= (0x02f0|FORM_DATA4),
        AT_upper_bound_data8	= (0x02f0|FORM_DATA8),
    AT_virtual			= (0x0300|FORM_STRING),

    /* GNU extensions.  */

    AT_sf_names			= (0x8000|FORM_DATA4),
    AT_src_info			= (0x8010|FORM_DATA4),
    AT_mac_info			= (0x8020|FORM_DATA4),
    AT_src_coords		= (0x8030|FORM_DATA4),
    AT_body_begin		= (0x8040|FORM_ADDR),
    AT_body_end			= (0x8050|FORM_ADDR)
};

#define AT_lo_user	0x2000	/* implementation-defined range start */
#define AT_hi_user	0x3ff0	/* implementation-defined range end */

/* Location atom names and codes.  */

enum dwarf_location_atom {
    OP_REG	= 0x01,
    OP_BASEREG	= 0x02,
    OP_ADDR	= 0x03,
    OP_CONST	= 0x04,
    OP_DEREF2	= 0x05,
    OP_DEREF4	= 0x06,
    OP_ADD	= 0x07,

    /* GNU extensions.  */

    OP_MULT	= 0x80
};

#define OP_LO_USER	0x80  /* implementation-defined range start */
#define OP_HI_USER	0xff  /* implementation-defined range end */

/* Fundamental type names and codes.  */

enum dwarf_fundamental_type {
    FT_char		= 0x0001,
    FT_signed_char	= 0x0002,
    FT_unsigned_char	= 0x0003,
    FT_short		= 0x0004,
    FT_signed_short	= 0x0005,
    FT_unsigned_short	= 0x0006,
    FT_integer		= 0x0007,
    FT_signed_integer	= 0x0008,
    FT_unsigned_integer	= 0x0009,
    FT_long		= 0x000a,
    FT_signed_long	= 0x000b,
    FT_unsigned_long	= 0x000c,
    FT_pointer		= 0x000d,  /* an alias for (void *) */
    FT_float		= 0x000e,
    FT_dbl_prec_float	= 0x000f,
    FT_ext_prec_float	= 0x0010,  /* breaks "classic" svr4 SDB */
    FT_complex		= 0x0011,  /* breaks "classic" svr4 SDB */
    FT_dbl_prec_complex	= 0x0012,  /* breaks "classic" svr4 SDB */
			/* 0x0013 -- reserved */
    FT_void		= 0x0014,
    FT_boolean		= 0x0015,  /* breaks "classic" svr4 SDB */
    FT_ext_prec_complex	= 0x0016,  /* breaks "classic" svr4 SDB */
    FT_label		= 0x0017,
  
    /* GNU extensions
       The low order byte must indicate the size (in bytes) for the type.
       All of these types will probably break "classic" svr4 SDB */

    FT_long_long	= 0x8008,
    FT_signed_long_long	= 0x8108,
    FT_unsigned_long_long = 0x8208,

    FT_int8		= 0x9001,
    FT_signed_int8	= 0x9101,
    FT_unsigned_int8	= 0x9201,
    FT_int16		= 0x9302,
    FT_signed_int16	= 0x9402,
    FT_unsigned_int16	= 0x9502,
    FT_int32		= 0x9604,
    FT_signed_int32	= 0x9704,
    FT_unsigned_int32	= 0x9804,
    FT_int64		= 0x9908,
    FT_signed_int64	= 0x9a08,
    FT_unsigned_int64	= 0x9b08,

    FT_real32		= 0xa004,
    FT_real64		= 0xa108,
    FT_real96		= 0xa20c,
    FT_real128		= 0xa310
};

#define FT_lo_user	0x8000  /* implementation-defined range start */
#define FT_hi_user	0xffff  /* implementation defined range end */

/* Type modifier names and codes.  */

enum dwarf_type_modifier {
    MOD_pointer_to	= 0x01,
    MOD_reference_to	= 0x02,
    MOD_const		= 0x03,
    MOD_volatile	= 0x04
};

#define MOD_lo_user	0x80  /* implementation-defined range start */
#define MOD_hi_user	0xff  /* implementation-defined range end */

/* Array ordering names and codes.  */

enum dwarf_array_dim_ordering {
    ORD_row_major	= 0,
    ORD_col_major	= 1
};

/* Array subscript format names and codes.  */

enum dwarf_subscr_data_formats {
    FMT_FT_C_C	= 0x0,
    FMT_FT_C_X	= 0x1,
    FMT_FT_X_C	= 0x2,
    FMT_FT_X_X	= 0x3,
    FMT_UT_C_C	= 0x4,
    FMT_UT_C_X	= 0x5,
    FMT_UT_X_C	= 0x6,
    FMT_UT_X_X	= 0x7,
    FMT_ET	= 0x8
};

/* Derived from above for ease of use.  */

#define FMT_CODE(_FUNDAMENTAL_TYPE_P, _UB_CONST_P, _LB_CONST_P) \
 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4)	\
  | ((_UB_CONST_P) ? 0 : 2)		\
  | ((_LB_CONST_P) ? 0 : 1))

/* Source language names and codes.  */

enum dwarf_source_language {
    LANG_C89		= 0x00000001,
    LANG_C		= 0x00000002,
    LANG_ADA83		= 0x00000003,
    LANG_C_PLUS_PLUS	= 0x00000004,
    LANG_COBOL74	= 0x00000005,
    LANG_COBOL85	= 0x00000006,
    LANG_FORTRAN77	= 0x00000007,
    LANG_FORTRAN90	= 0x00000008,
    LANG_PASCAL83	= 0x00000009,
    LANG_MODULA2	= 0x0000000a
};

#define LANG_lo_user	0x00008000  /* implementation-defined range start */
#define LANG_hi_user	0x0000ffff  /* implementation-defined range end */

/* Names and codes for GNU "macinfo" extension.  */

enum dwarf_macinfo_record_type {
    MACINFO_start	= 's',
    MACINFO_resume	= 'r',
    MACINFO_define	= 'd',
    MACINFO_undef	= 'u'
};