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9a631e8e RS |
1 | /* Declarations and definitions of codes relating to the DWARF symbolic |
2 | debugging information format. | |
78461b59 | 3 | |
473c7441 | 4 | Written by Ron Guilmette (rfg@netcom.com) |
78461b59 | 5 | |
9a631e8e RS |
6 | Copyright (C) 1992 Free Software Foundation, Inc. |
7 | ||
8 | This file is part of GNU CC. | |
9 | ||
10 | GNU CC is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License as published by | |
12 | the Free Software Foundation; either version 2, or (at your option) | |
13 | any later version. | |
14 | ||
15 | GNU CC is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with GNU CC; see the file COPYING. If not, write to | |
940d9d63 RK |
22 | the Free Software Foundation, 59 Temple Place - Suite 330, |
23 | Boston, MA 02111-1307, USA. */ | |
9a631e8e RS |
24 | |
25 | /* This file is derived from the DWARF specification (a public document) | |
26 | Revision 1.0.1 (April 8, 1992) developed by the UNIX International | |
27 | Programming Languages Special Interest Group (UI/PLSIG) and distributed | |
28 | by UNIX International. Copies of this specification are available from | |
29 | UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. | |
30 | */ | |
78461b59 | 31 | |
9a631e8e RS |
32 | /* Tag names and codes. */ |
33 | ||
34 | enum dwarf_tag { | |
35 | TAG_padding = 0x0000, | |
36 | TAG_array_type = 0x0001, | |
37 | TAG_class_type = 0x0002, | |
38 | TAG_entry_point = 0x0003, | |
39 | TAG_enumeration_type = 0x0004, | |
40 | TAG_formal_parameter = 0x0005, | |
41 | TAG_global_subroutine = 0x0006, | |
42 | TAG_global_variable = 0x0007, | |
43 | /* 0x0008 -- reserved */ | |
44 | /* 0x0009 -- reserved */ | |
45 | TAG_label = 0x000a, | |
46 | TAG_lexical_block = 0x000b, | |
47 | TAG_local_variable = 0x000c, | |
48 | TAG_member = 0x000d, | |
49 | /* 0x000e -- reserved */ | |
50 | TAG_pointer_type = 0x000f, | |
51 | TAG_reference_type = 0x0010, | |
52 | TAG_compile_unit = 0x0011, | |
53 | TAG_string_type = 0x0012, | |
54 | TAG_structure_type = 0x0013, | |
55 | TAG_subroutine = 0x0014, | |
56 | TAG_subroutine_type = 0x0015, | |
57 | TAG_typedef = 0x0016, | |
58 | TAG_union_type = 0x0017, | |
59 | TAG_unspecified_parameters = 0x0018, | |
60 | TAG_variant = 0x0019, | |
61 | TAG_common_block = 0x001a, | |
62 | TAG_common_inclusion = 0x001b, | |
63 | TAG_inheritance = 0x001c, | |
64 | TAG_inlined_subroutine = 0x001d, | |
65 | TAG_module = 0x001e, | |
66 | TAG_ptr_to_member_type = 0x001f, | |
67 | TAG_set_type = 0x0020, | |
68 | TAG_subrange_type = 0x0021, | |
69 | TAG_with_stmt = 0x0022, | |
70 | ||
71 | /* GNU extensions */ | |
72 | ||
73 | TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */ | |
74 | TAG_namelist = 0x8001, /* For Fortran 90 */ | |
75 | TAG_function_template = 0x8002, /* for C++ */ | |
76 | TAG_class_template = 0x8003 /* for C++ */ | |
77 | }; | |
78 | ||
79 | #define TAG_lo_user 0x8000 /* implementation-defined range start */ | |
80 | #define TAG_hi_user 0xffff /* implementation-defined range end */ | |
f72aed24 | 81 | #define TAG_source_file TAG_compile_unit /* for backward compatibility */ |
9a631e8e RS |
82 | |
83 | /* Form names and codes. */ | |
84 | ||
85 | enum dwarf_form { | |
86 | FORM_ADDR = 0x1, | |
87 | FORM_REF = 0x2, | |
88 | FORM_BLOCK2 = 0x3, | |
89 | FORM_BLOCK4 = 0x4, | |
90 | FORM_DATA2 = 0x5, | |
91 | FORM_DATA4 = 0x6, | |
92 | FORM_DATA8 = 0x7, | |
93 | FORM_STRING = 0x8 | |
94 | }; | |
95 | ||
96 | /* Attribute names and codes. */ | |
97 | ||
98 | enum dwarf_attribute { | |
99 | AT_sibling = (0x0010|FORM_REF), | |
100 | AT_location = (0x0020|FORM_BLOCK2), | |
101 | AT_name = (0x0030|FORM_STRING), | |
102 | AT_fund_type = (0x0050|FORM_DATA2), | |
103 | AT_mod_fund_type = (0x0060|FORM_BLOCK2), | |
104 | AT_user_def_type = (0x0070|FORM_REF), | |
105 | AT_mod_u_d_type = (0x0080|FORM_BLOCK2), | |
106 | AT_ordering = (0x0090|FORM_DATA2), | |
107 | AT_subscr_data = (0x00a0|FORM_BLOCK2), | |
108 | AT_byte_size = (0x00b0|FORM_DATA4), | |
109 | AT_bit_offset = (0x00c0|FORM_DATA2), | |
110 | AT_bit_size = (0x00d0|FORM_DATA4), | |
111 | /* (0x00e0|FORM_xxxx) -- reserved */ | |
112 | AT_element_list = (0x00f0|FORM_BLOCK4), | |
113 | AT_stmt_list = (0x0100|FORM_DATA4), | |
114 | AT_low_pc = (0x0110|FORM_ADDR), | |
115 | AT_high_pc = (0x0120|FORM_ADDR), | |
116 | AT_language = (0x0130|FORM_DATA4), | |
117 | AT_member = (0x0140|FORM_REF), | |
118 | AT_discr = (0x0150|FORM_REF), | |
119 | AT_discr_value = (0x0160|FORM_BLOCK2), | |
120 | /* (0x0170|FORM_xxxx) -- reserved */ | |
121 | /* (0x0180|FORM_xxxx) -- reserved */ | |
122 | AT_string_length = (0x0190|FORM_BLOCK2), | |
123 | AT_common_reference = (0x01a0|FORM_REF), | |
124 | AT_comp_dir = (0x01b0|FORM_STRING), | |
125 | AT_const_value_string = (0x01c0|FORM_STRING), | |
126 | AT_const_value_data2 = (0x01c0|FORM_DATA2), | |
127 | AT_const_value_data4 = (0x01c0|FORM_DATA4), | |
128 | AT_const_value_data8 = (0x01c0|FORM_DATA8), | |
129 | AT_const_value_block2 = (0x01c0|FORM_BLOCK2), | |
130 | AT_const_value_block4 = (0x01c0|FORM_BLOCK4), | |
131 | AT_containing_type = (0x01d0|FORM_REF), | |
132 | AT_default_value_addr = (0x01e0|FORM_ADDR), | |
133 | AT_default_value_data2 = (0x01e0|FORM_DATA2), | |
134 | AT_default_value_data4 = (0x01e0|FORM_DATA4), | |
135 | AT_default_value_data8 = (0x01e0|FORM_DATA8), | |
136 | AT_default_value_string = (0x01e0|FORM_STRING), | |
137 | AT_friends = (0x01f0|FORM_BLOCK2), | |
138 | AT_inline = (0x0200|FORM_STRING), | |
139 | AT_is_optional = (0x0210|FORM_STRING), | |
140 | AT_lower_bound_ref = (0x0220|FORM_REF), | |
141 | AT_lower_bound_data2 = (0x0220|FORM_DATA2), | |
142 | AT_lower_bound_data4 = (0x0220|FORM_DATA4), | |
143 | AT_lower_bound_data8 = (0x0220|FORM_DATA8), | |
8a78dbab TW |
144 | AT_private = (0x0240|FORM_STRING), |
145 | AT_producer = (0x0250|FORM_STRING), | |
146 | AT_program = (0x0230|FORM_STRING), | |
9a631e8e RS |
147 | AT_protected = (0x0260|FORM_STRING), |
148 | AT_prototyped = (0x0270|FORM_STRING), | |
149 | AT_public = (0x0280|FORM_STRING), | |
150 | AT_pure_virtual = (0x0290|FORM_STRING), | |
151 | AT_return_addr = (0x02a0|FORM_BLOCK2), | |
1b53b61a | 152 | AT_abstract_origin = (0x02b0|FORM_REF), |
9a631e8e | 153 | AT_start_scope = (0x02c0|FORM_DATA4), |
8a78dbab TW |
154 | AT_stride_size = (0x02e0|FORM_DATA4), |
155 | AT_upper_bound_ref = (0x02f0|FORM_REF), | |
156 | AT_upper_bound_data2 = (0x02f0|FORM_DATA2), | |
157 | AT_upper_bound_data4 = (0x02f0|FORM_DATA4), | |
158 | AT_upper_bound_data8 = (0x02f0|FORM_DATA8), | |
159 | AT_virtual = (0x0300|FORM_STRING), | |
9a631e8e RS |
160 | |
161 | /* GNU extensions. */ | |
162 | ||
163 | AT_sf_names = (0x8000|FORM_DATA4), | |
164 | AT_src_info = (0x8010|FORM_DATA4), | |
165 | AT_mac_info = (0x8020|FORM_DATA4), | |
befb13a5 TW |
166 | AT_src_coords = (0x8030|FORM_DATA4), |
167 | AT_body_begin = (0x8040|FORM_ADDR), | |
168 | AT_body_end = (0x8050|FORM_ADDR) | |
9a631e8e RS |
169 | }; |
170 | ||
abbb9522 RK |
171 | #define AT_lo_user 0x2000 /* implementation-defined range start */ |
172 | #define AT_hi_user 0x3ff0 /* implementation-defined range end */ | |
9a631e8e RS |
173 | |
174 | /* Location atom names and codes. */ | |
175 | ||
176 | enum dwarf_location_atom { | |
177 | OP_REG = 0x01, | |
178 | OP_BASEREG = 0x02, | |
179 | OP_ADDR = 0x03, | |
180 | OP_CONST = 0x04, | |
181 | OP_DEREF2 = 0x05, | |
182 | OP_DEREF4 = 0x06, | |
b925394a JW |
183 | OP_ADD = 0x07, |
184 | ||
185 | /* GNU extensions. */ | |
186 | ||
187 | OP_MULT = 0x80 | |
9a631e8e RS |
188 | }; |
189 | ||
190 | #define OP_LO_USER 0x80 /* implementation-defined range start */ | |
191 | #define OP_HI_USER 0xff /* implementation-defined range end */ | |
192 | ||
193 | /* Fundamental type names and codes. */ | |
194 | ||
195 | enum dwarf_fundamental_type { | |
196 | FT_char = 0x0001, | |
197 | FT_signed_char = 0x0002, | |
198 | FT_unsigned_char = 0x0003, | |
199 | FT_short = 0x0004, | |
200 | FT_signed_short = 0x0005, | |
201 | FT_unsigned_short = 0x0006, | |
202 | FT_integer = 0x0007, | |
203 | FT_signed_integer = 0x0008, | |
204 | FT_unsigned_integer = 0x0009, | |
205 | FT_long = 0x000a, | |
206 | FT_signed_long = 0x000b, | |
207 | FT_unsigned_long = 0x000c, | |
208 | FT_pointer = 0x000d, /* an alias for (void *) */ | |
209 | FT_float = 0x000e, | |
210 | FT_dbl_prec_float = 0x000f, | |
211 | FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */ | |
212 | FT_complex = 0x0011, /* breaks "classic" svr4 SDB */ | |
213 | FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */ | |
214 | /* 0x0013 -- reserved */ | |
215 | FT_void = 0x0014, | |
216 | FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */ | |
217 | FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */ | |
218 | FT_label = 0x0017, | |
78461b59 | 219 | |
9a631e8e RS |
220 | /* GNU extensions |
221 | The low order byte must indicate the size (in bytes) for the type. | |
222 | All of these types will probably break "classic" svr4 SDB */ | |
223 | ||
224 | FT_long_long = 0x8008, | |
225 | FT_signed_long_long = 0x8108, | |
226 | FT_unsigned_long_long = 0x8208, | |
227 | ||
228 | FT_int8 = 0x9001, | |
229 | FT_signed_int8 = 0x9101, | |
230 | FT_unsigned_int8 = 0x9201, | |
231 | FT_int16 = 0x9302, | |
232 | FT_signed_int16 = 0x9402, | |
233 | FT_unsigned_int16 = 0x9502, | |
234 | FT_int32 = 0x9604, | |
235 | FT_signed_int32 = 0x9704, | |
236 | FT_unsigned_int32 = 0x9804, | |
237 | FT_int64 = 0x9908, | |
238 | FT_signed_int64 = 0x9a08, | |
239 | FT_unsigned_int64 = 0x9b08, | |
240 | ||
241 | FT_real32 = 0xa004, | |
242 | FT_real64 = 0xa108, | |
243 | FT_real96 = 0xa20c, | |
244 | FT_real128 = 0xa310 | |
245 | }; | |
246 | ||
247 | #define FT_lo_user 0x8000 /* implementation-defined range start */ | |
248 | #define FT_hi_user 0xffff /* implementation defined range end */ | |
249 | ||
250 | /* Type modifier names and codes. */ | |
251 | ||
252 | enum dwarf_type_modifier { | |
253 | MOD_pointer_to = 0x01, | |
254 | MOD_reference_to = 0x02, | |
255 | MOD_const = 0x03, | |
256 | MOD_volatile = 0x04 | |
257 | }; | |
258 | ||
259 | #define MOD_lo_user 0x80 /* implementation-defined range start */ | |
260 | #define MOD_hi_user 0xff /* implementation-defined range end */ | |
261 | ||
262 | /* Array ordering names and codes. */ | |
263 | ||
264 | enum dwarf_array_dim_ordering { | |
265 | ORD_row_major = 0, | |
266 | ORD_col_major = 1 | |
267 | }; | |
268 | ||
269 | /* Array subscript format names and codes. */ | |
270 | ||
271 | enum dwarf_subscr_data_formats { | |
272 | FMT_FT_C_C = 0x0, | |
273 | FMT_FT_C_X = 0x1, | |
274 | FMT_FT_X_C = 0x2, | |
275 | FMT_FT_X_X = 0x3, | |
276 | FMT_UT_C_C = 0x4, | |
277 | FMT_UT_C_X = 0x5, | |
278 | FMT_UT_X_C = 0x6, | |
279 | FMT_UT_X_X = 0x7, | |
280 | FMT_ET = 0x8 | |
281 | }; | |
78461b59 RK |
282 | |
283 | /* Derived from above for ease of use. */ | |
284 | ||
285 | #define FMT_CODE(_FUNDAMENTAL_TYPE_P, _UB_CONST_P, _LB_CONST_P) \ | |
286 | (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \ | |
287 | | ((_UB_CONST_P) ? 0 : 2) \ | |
288 | | ((_LB_CONST_P) ? 0 : 1)) | |
289 | ||
9a631e8e | 290 | /* Source language names and codes. */ |
78461b59 | 291 | |
9a631e8e RS |
292 | enum dwarf_source_language { |
293 | LANG_C89 = 0x00000001, | |
294 | LANG_C = 0x00000002, | |
295 | LANG_ADA83 = 0x00000003, | |
296 | LANG_C_PLUS_PLUS = 0x00000004, | |
297 | LANG_COBOL74 = 0x00000005, | |
298 | LANG_COBOL85 = 0x00000006, | |
299 | LANG_FORTRAN77 = 0x00000007, | |
300 | LANG_FORTRAN90 = 0x00000008, | |
301 | LANG_PASCAL83 = 0x00000009, | |
302 | LANG_MODULA2 = 0x0000000a | |
303 | }; | |
78461b59 | 304 | |
9a631e8e RS |
305 | #define LANG_lo_user 0x00008000 /* implementation-defined range start */ |
306 | #define LANG_hi_user 0x0000ffff /* implementation-defined range end */ | |
78461b59 RK |
307 | |
308 | /* Names and codes for GNU "macinfo" extension. */ | |
309 | ||
9a631e8e RS |
310 | enum dwarf_macinfo_record_type { |
311 | MACINFO_start = 's', | |
312 | MACINFO_resume = 'r', | |
313 | MACINFO_define = 'd', | |
314 | MACINFO_undef = 'u' | |
315 | }; |