source: vendor/binutils/2.14/include/elf/dwarf.h

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1/* Declarations and definitions of codes relating to the DWARF symbolic
2 debugging information format.
3
4 Written by Ron Guilmette (rfg@ncd.com)
5
6Copyright 1992, 1993, 1995, 1999 Free Software Foundation, Inc.
7
8This file is part of GNU CC.
9
10GNU CC is free software; you can redistribute it and/or modify
11it under the terms of the GNU General Public License as published by
12the Free Software Foundation; either version 2, or (at your option)
13any later version.
14
15GNU CC is distributed in the hope that it will be useful,
16but WITHOUT ANY WARRANTY; without even the implied warranty of
17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18GNU General Public License for more details.
19
20You should have received a copy of the GNU General Public License
21along with GNU CC; see the file COPYING. If not, write to
22the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
23
24/* This file is derived from the DWARF specification (a public document)
25 Revision 1.0.1 (April 8, 1992) developed by the UNIX International
26 Programming Languages Special Interest Group (UI/PLSIG) and distributed
27 by UNIX International. Copies of this specification are available from
28 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
29*/
30
31#ifndef _ELF_DWARF_H
32#define _ELF_DWARF_H
33
34/* Tag names and codes. */
35
36enum dwarf_tag {
37 TAG_padding = 0x0000,
38 TAG_array_type = 0x0001,
39 TAG_class_type = 0x0002,
40 TAG_entry_point = 0x0003,
41 TAG_enumeration_type = 0x0004,
42 TAG_formal_parameter = 0x0005,
43 TAG_global_subroutine = 0x0006,
44 TAG_global_variable = 0x0007,
45 /* 0x0008 -- reserved */
46 /* 0x0009 -- reserved */
47 TAG_label = 0x000a,
48 TAG_lexical_block = 0x000b,
49 TAG_local_variable = 0x000c,
50 TAG_member = 0x000d,
51 /* 0x000e -- reserved */
52 TAG_pointer_type = 0x000f,
53 TAG_reference_type = 0x0010,
54 TAG_compile_unit = 0x0011,
55 TAG_string_type = 0x0012,
56 TAG_structure_type = 0x0013,
57 TAG_subroutine = 0x0014,
58 TAG_subroutine_type = 0x0015,
59 TAG_typedef = 0x0016,
60 TAG_union_type = 0x0017,
61 TAG_unspecified_parameters = 0x0018,
62 TAG_variant = 0x0019,
63 TAG_common_block = 0x001a,
64 TAG_common_inclusion = 0x001b,
65 TAG_inheritance = 0x001c,
66 TAG_inlined_subroutine = 0x001d,
67 TAG_module = 0x001e,
68 TAG_ptr_to_member_type = 0x001f,
69 TAG_set_type = 0x0020,
70 TAG_subrange_type = 0x0021,
71 TAG_with_stmt = 0x0022,
72
73 /* GNU extensions */
74
75 TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */
76 TAG_namelist = 0x8001, /* For Fortran 90 */
77 TAG_function_template = 0x8002, /* for C++ */
78 TAG_class_template = 0x8003 /* for C++ */
79};
80
81#define TAG_lo_user 0x8000 /* implementation-defined range start */
82#define TAG_hi_user 0xffff /* implementation-defined range end */
83#define TAG_source_file TAG_compile_unit /* for backward compatibility */
84
85/* Form names and codes. */
86
87enum dwarf_form {
88 FORM_ADDR = 0x1,
89 FORM_REF = 0x2,
90 FORM_BLOCK2 = 0x3,
91 FORM_BLOCK4 = 0x4,
92 FORM_DATA2 = 0x5,
93 FORM_DATA4 = 0x6,
94 FORM_DATA8 = 0x7,
95 FORM_STRING = 0x8
96};
97
98/* Attribute names and codes. */
99
100enum dwarf_attribute {
101 AT_sibling = (0x0010|FORM_REF),
102 AT_location = (0x0020|FORM_BLOCK2),
103 AT_name = (0x0030|FORM_STRING),
104 AT_fund_type = (0x0050|FORM_DATA2),
105 AT_mod_fund_type = (0x0060|FORM_BLOCK2),
106 AT_user_def_type = (0x0070|FORM_REF),
107 AT_mod_u_d_type = (0x0080|FORM_BLOCK2),
108 AT_ordering = (0x0090|FORM_DATA2),
109 AT_subscr_data = (0x00a0|FORM_BLOCK2),
110 AT_byte_size = (0x00b0|FORM_DATA4),
111 AT_bit_offset = (0x00c0|FORM_DATA2),
112 AT_bit_size = (0x00d0|FORM_DATA4),
113 /* (0x00e0|FORM_xxxx) -- reserved */
114 AT_element_list = (0x00f0|FORM_BLOCK4),
115 AT_stmt_list = (0x0100|FORM_DATA4),
116 AT_low_pc = (0x0110|FORM_ADDR),
117 AT_high_pc = (0x0120|FORM_ADDR),
118 AT_language = (0x0130|FORM_DATA4),
119 AT_member = (0x0140|FORM_REF),
120 AT_discr = (0x0150|FORM_REF),
121 AT_discr_value = (0x0160|FORM_BLOCK2),
122 /* (0x0170|FORM_xxxx) -- reserved */
123 /* (0x0180|FORM_xxxx) -- reserved */
124 AT_string_length = (0x0190|FORM_BLOCK2),
125 AT_common_reference = (0x01a0|FORM_REF),
126 AT_comp_dir = (0x01b0|FORM_STRING),
127 AT_const_value_string = (0x01c0|FORM_STRING),
128 AT_const_value_data2 = (0x01c0|FORM_DATA2),
129 AT_const_value_data4 = (0x01c0|FORM_DATA4),
130 AT_const_value_data8 = (0x01c0|FORM_DATA8),
131 AT_const_value_block2 = (0x01c0|FORM_BLOCK2),
132 AT_const_value_block4 = (0x01c0|FORM_BLOCK4),
133 AT_containing_type = (0x01d0|FORM_REF),
134 AT_default_value_addr = (0x01e0|FORM_ADDR),
135 AT_default_value_data2 = (0x01e0|FORM_DATA2),
136 AT_default_value_data4 = (0x01e0|FORM_DATA4),
137 AT_default_value_data8 = (0x01e0|FORM_DATA8),
138 AT_default_value_string = (0x01e0|FORM_STRING),
139 AT_friends = (0x01f0|FORM_BLOCK2),
140 AT_inline = (0x0200|FORM_STRING),
141 AT_is_optional = (0x0210|FORM_STRING),
142 AT_lower_bound_ref = (0x0220|FORM_REF),
143 AT_lower_bound_data2 = (0x0220|FORM_DATA2),
144 AT_lower_bound_data4 = (0x0220|FORM_DATA4),
145 AT_lower_bound_data8 = (0x0220|FORM_DATA8),
146 AT_private = (0x0240|FORM_STRING),
147 AT_producer = (0x0250|FORM_STRING),
148 AT_program = (0x0230|FORM_STRING),
149 AT_protected = (0x0260|FORM_STRING),
150 AT_prototyped = (0x0270|FORM_STRING),
151 AT_public = (0x0280|FORM_STRING),
152 AT_pure_virtual = (0x0290|FORM_STRING),
153 AT_return_addr = (0x02a0|FORM_BLOCK2),
154 AT_abstract_origin = (0x02b0|FORM_REF),
155 AT_start_scope = (0x02c0|FORM_DATA4),
156 AT_stride_size = (0x02e0|FORM_DATA4),
157 AT_upper_bound_ref = (0x02f0|FORM_REF),
158 AT_upper_bound_data2 = (0x02f0|FORM_DATA2),
159 AT_upper_bound_data4 = (0x02f0|FORM_DATA4),
160 AT_upper_bound_data8 = (0x02f0|FORM_DATA8),
161 AT_virtual = (0x0300|FORM_STRING),
162
163 /* GNU extensions. */
164
165 AT_sf_names = (0x8000|FORM_DATA4),
166 AT_src_info = (0x8010|FORM_DATA4),
167 AT_mac_info = (0x8020|FORM_DATA4),
168 AT_src_coords = (0x8030|FORM_DATA4),
169 AT_body_begin = (0x8040|FORM_ADDR),
170 AT_body_end = (0x8050|FORM_ADDR)
171};
172
173#define AT_lo_user 0x8000 /* implementation-defined range start */
174#define AT_hi_user 0xffff /* implementation-defined range end */
175
176/* Location atom names and codes. */
177
178enum dwarf_location_atom {
179 OP_REG = 0x01,
180 OP_BASEREG = 0x02,
181 OP_ADDR = 0x03,
182 OP_CONST = 0x04,
183 OP_DEREF2 = 0x05,
184 OP_DEREF4 = 0x06,
185 OP_ADD = 0x07
186};
187
188#define OP_LO_USER 0x80 /* implementation-defined range start */
189#define OP_HI_USER 0xff /* implementation-defined range end */
190
191/* Fundamental type names and codes. */
192
193enum dwarf_fundamental_type {
194 FT_char = 0x0001,
195 FT_signed_char = 0x0002,
196 FT_unsigned_char = 0x0003,
197 FT_short = 0x0004,
198 FT_signed_short = 0x0005,
199 FT_unsigned_short = 0x0006,
200 FT_integer = 0x0007,
201 FT_signed_integer = 0x0008,
202 FT_unsigned_integer = 0x0009,
203 FT_long = 0x000a,
204 FT_signed_long = 0x000b,
205 FT_unsigned_long = 0x000c,
206 FT_pointer = 0x000d, /* an alias for (void *) */
207 FT_float = 0x000e,
208 FT_dbl_prec_float = 0x000f,
209 FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */
210 FT_complex = 0x0011, /* breaks "classic" svr4 SDB */
211 FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */
212 /* 0x0013 -- reserved */
213 FT_void = 0x0014,
214 FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */
215 FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */
216 FT_label = 0x0017,
217
218 /* GNU extensions
219 The low order byte must indicate the size (in bytes) for the type.
220 All of these types will probably break "classic" svr4 SDB */
221
222 FT_long_long = 0x8008,
223 FT_signed_long_long = 0x8108,
224 FT_unsigned_long_long = 0x8208,
225
226 FT_int8 = 0x9001,
227 FT_signed_int8 = 0x9101,
228 FT_unsigned_int8 = 0x9201,
229 FT_int16 = 0x9302,
230 FT_signed_int16 = 0x9402,
231 FT_unsigned_int16 = 0x9502,
232 FT_int32 = 0x9604,
233 FT_signed_int32 = 0x9704,
234 FT_unsigned_int32 = 0x9804,
235 FT_int64 = 0x9908,
236 FT_signed_int64 = 0x9a08,
237 FT_unsigned_int64 = 0x9b08,
238
239 FT_real32 = 0xa004,
240 FT_real64 = 0xa108,
241 FT_real96 = 0xa20c,
242 FT_real128 = 0xa310
243};
244
245#define FT_lo_user 0x8000 /* implementation-defined range start */
246#define FT_hi_user 0xffff /* implementation defined range end */
247
248/* Type modifier names and codes. */
249
250enum dwarf_type_modifier {
251 MOD_pointer_to = 0x01,
252 MOD_reference_to = 0x02,
253 MOD_const = 0x03,
254 MOD_volatile = 0x04
255};
256
257#define MOD_lo_user 0x80 /* implementation-defined range start */
258#define MOD_hi_user 0xff /* implementation-defined range end */
259
260/* Array ordering names and codes. */
261
262enum dwarf_array_dim_ordering {
263 ORD_row_major = 0,
264 ORD_col_major = 1
265};
266
267/* Array subscript format names and codes. */
268
269enum dwarf_subscr_data_formats {
270 FMT_FT_C_C = 0x0,
271 FMT_FT_C_X = 0x1,
272 FMT_FT_X_C = 0x2,
273 FMT_FT_X_X = 0x3,
274 FMT_UT_C_C = 0x4,
275 FMT_UT_C_X = 0x5,
276 FMT_UT_X_C = 0x6,
277 FMT_UT_X_X = 0x7,
278 FMT_ET = 0x8
279};
280
281/* Derived from above for ease of use. */
282
283#define FMT_CODE(_FUNDAMENTAL_TYPE_P, _UB_CONST_P, _LB_CONST_P) \
284 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \
285 | ((_UB_CONST_P) ? 0 : 2) \
286 | ((_LB_CONST_P) ? 0 : 1))
287
288/* Source language names and codes. */
289
290enum dwarf_source_language {
291 LANG_C89 = 0x00000001,
292 LANG_C = 0x00000002,
293 LANG_ADA83 = 0x00000003,
294 LANG_C_PLUS_PLUS = 0x00000004,
295 LANG_COBOL74 = 0x00000005,
296 LANG_COBOL85 = 0x00000006,
297 LANG_FORTRAN77 = 0x00000007,
298 LANG_FORTRAN90 = 0x00000008,
299 LANG_PASCAL83 = 0x00000009,
300 LANG_MODULA2 = 0x0000000a,
301
302 /* GNU extensions */
303
304 LANG_CHILL = 0x00009af3, /* random value for GNU Chill */
305 LANG_JAVA = 0x00009af4 /* random value + 1 for GNU Java */
306};
307
308#define LANG_lo_user 0x00008000 /* implementation-defined range start */
309#define LANG_hi_user 0x0000ffff /* implementation-defined range end */
310
311/* Names and codes for GNU "macinfo" extension. */
312
313enum dwarf_macinfo_record_type {
314 MACINFO_start = 's',
315 MACINFO_resume = 'r',
316 MACINFO_define = 'd',
317 MACINFO_undef = 'u'
318};
319
320#endif /* _ELF_DWARF_H */
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