1 /* Declarations and definitions of codes relating to the DWARF symbolic
2 debugging information format.
4 Written by Ron Guilmette (rfg@netcom.com)
6 Copyright 1992, 1993, 1995, 1999, 2005 Free Software Foundation, Inc.
8 This file is part of GCC.
10 GCC is free software; you can redistribute it and/or modify it under
11 the terms of the GNU General Public License as published by the Free
12 Software Foundation; either version 2, or (at your option) any later
15 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
16 WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 You should have received a copy of the GNU General Public License
21 along with GCC; see the file COPYING. If not, write to the Free
22 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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.
35 /* Tag names and codes. */
39 TAG_array_type = 0x0001,
40 TAG_class_type = 0x0002,
41 TAG_entry_point = 0x0003,
42 TAG_enumeration_type = 0x0004,
43 TAG_formal_parameter = 0x0005,
44 TAG_global_subroutine = 0x0006,
45 TAG_global_variable = 0x0007,
46 /* 0x0008 -- reserved */
47 /* 0x0009 -- reserved */
49 TAG_lexical_block = 0x000b,
50 TAG_local_variable = 0x000c,
52 /* 0x000e -- reserved */
53 TAG_pointer_type = 0x000f,
54 TAG_reference_type = 0x0010,
55 TAG_compile_unit = 0x0011,
56 TAG_string_type = 0x0012,
57 TAG_structure_type = 0x0013,
58 TAG_subroutine = 0x0014,
59 TAG_subroutine_type = 0x0015,
61 TAG_union_type = 0x0017,
62 TAG_unspecified_parameters = 0x0018,
64 TAG_common_block = 0x001a,
65 TAG_common_inclusion = 0x001b,
66 TAG_inheritance = 0x001c,
67 TAG_inlined_subroutine = 0x001d,
69 TAG_ptr_to_member_type = 0x001f,
70 TAG_set_type = 0x0020,
71 TAG_subrange_type = 0x0021,
72 TAG_with_stmt = 0x0022,
76 TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */
77 TAG_namelist = 0x8001, /* For Fortran 90 */
78 TAG_function_template = 0x8002, /* for C++ */
79 TAG_class_template = 0x8003 /* for C++ */
82 #define TAG_lo_user 0x8000 /* implementation-defined range start */
83 #define TAG_hi_user 0xffff /* implementation-defined range end */
84 #define TAG_source_file TAG_compile_unit /* for backward compatibility */
86 /* Form names and codes. */
99 /* Attribute names and codes. */
101 enum dwarf_attribute {
102 AT_sibling = (0x0010|FORM_REF),
103 AT_location = (0x0020|FORM_BLOCK2),
104 AT_name = (0x0030|FORM_STRING),
105 AT_fund_type = (0x0050|FORM_DATA2),
106 AT_mod_fund_type = (0x0060|FORM_BLOCK2),
107 AT_user_def_type = (0x0070|FORM_REF),
108 AT_mod_u_d_type = (0x0080|FORM_BLOCK2),
109 AT_ordering = (0x0090|FORM_DATA2),
110 AT_subscr_data = (0x00a0|FORM_BLOCK2),
111 AT_byte_size = (0x00b0|FORM_DATA4),
112 AT_bit_offset = (0x00c0|FORM_DATA2),
113 AT_bit_size = (0x00d0|FORM_DATA4),
114 /* (0x00e0|FORM_xxxx) -- reserved */
115 AT_element_list = (0x00f0|FORM_BLOCK4),
116 AT_stmt_list = (0x0100|FORM_DATA4),
117 AT_low_pc = (0x0110|FORM_ADDR),
118 AT_high_pc = (0x0120|FORM_ADDR),
119 AT_language = (0x0130|FORM_DATA4),
120 AT_member = (0x0140|FORM_REF),
121 AT_discr = (0x0150|FORM_REF),
122 AT_discr_value = (0x0160|FORM_BLOCK2),
123 /* (0x0170|FORM_xxxx) -- reserved */
124 /* (0x0180|FORM_xxxx) -- reserved */
125 AT_string_length = (0x0190|FORM_BLOCK2),
126 AT_common_reference = (0x01a0|FORM_REF),
127 AT_comp_dir = (0x01b0|FORM_STRING),
128 AT_const_value_string = (0x01c0|FORM_STRING),
129 AT_const_value_data2 = (0x01c0|FORM_DATA2),
130 AT_const_value_data4 = (0x01c0|FORM_DATA4),
131 AT_const_value_data8 = (0x01c0|FORM_DATA8),
132 AT_const_value_block2 = (0x01c0|FORM_BLOCK2),
133 AT_const_value_block4 = (0x01c0|FORM_BLOCK4),
134 AT_containing_type = (0x01d0|FORM_REF),
135 AT_default_value_addr = (0x01e0|FORM_ADDR),
136 AT_default_value_data2 = (0x01e0|FORM_DATA2),
137 AT_default_value_data4 = (0x01e0|FORM_DATA4),
138 AT_default_value_data8 = (0x01e0|FORM_DATA8),
139 AT_default_value_string = (0x01e0|FORM_STRING),
140 AT_friends = (0x01f0|FORM_BLOCK2),
141 AT_inline = (0x0200|FORM_STRING),
142 AT_is_optional = (0x0210|FORM_STRING),
143 AT_lower_bound_ref = (0x0220|FORM_REF),
144 AT_lower_bound_data2 = (0x0220|FORM_DATA2),
145 AT_lower_bound_data4 = (0x0220|FORM_DATA4),
146 AT_lower_bound_data8 = (0x0220|FORM_DATA8),
147 AT_private = (0x0240|FORM_STRING),
148 AT_producer = (0x0250|FORM_STRING),
149 AT_program = (0x0230|FORM_STRING),
150 AT_protected = (0x0260|FORM_STRING),
151 AT_prototyped = (0x0270|FORM_STRING),
152 AT_public = (0x0280|FORM_STRING),
153 AT_pure_virtual = (0x0290|FORM_STRING),
154 AT_return_addr = (0x02a0|FORM_BLOCK2),
155 AT_abstract_origin = (0x02b0|FORM_REF),
156 AT_start_scope = (0x02c0|FORM_DATA4),
157 AT_stride_size = (0x02e0|FORM_DATA4),
158 AT_upper_bound_ref = (0x02f0|FORM_REF),
159 AT_upper_bound_data2 = (0x02f0|FORM_DATA2),
160 AT_upper_bound_data4 = (0x02f0|FORM_DATA4),
161 AT_upper_bound_data8 = (0x02f0|FORM_DATA8),
162 AT_virtual = (0x0300|FORM_STRING),
164 /* GNU extensions. */
166 AT_sf_names = (0x8000|FORM_DATA4),
167 AT_src_info = (0x8010|FORM_DATA4),
168 AT_mac_info = (0x8020|FORM_DATA4),
169 AT_src_coords = (0x8030|FORM_DATA4),
170 AT_body_begin = (0x8040|FORM_ADDR),
171 AT_body_end = (0x8050|FORM_ADDR)
174 #define AT_lo_user 0x2000 /* implementation-defined range start */
175 #define AT_hi_user 0x3ff0 /* implementation-defined range end */
177 /* Location atom names and codes. */
179 enum dwarf_location_atom {
188 /* GNU extensions. */
193 #define OP_LO_USER 0x80 /* implementation-defined range start */
194 #define OP_HI_USER 0xff /* implementation-defined range end */
196 /* Fundamental type names and codes. */
198 enum dwarf_fundamental_type {
200 FT_signed_char = 0x0002,
201 FT_unsigned_char = 0x0003,
203 FT_signed_short = 0x0005,
204 FT_unsigned_short = 0x0006,
206 FT_signed_integer = 0x0008,
207 FT_unsigned_integer = 0x0009,
209 FT_signed_long = 0x000b,
210 FT_unsigned_long = 0x000c,
211 FT_pointer = 0x000d, /* an alias for (void *) */
213 FT_dbl_prec_float = 0x000f,
214 FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */
215 FT_complex = 0x0011, /* breaks "classic" svr4 SDB */
216 FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */
217 /* 0x0013 -- reserved */
219 FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */
220 FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */
224 The low order byte must indicate the size (in bytes) for the type.
225 All of these types will probably break "classic" svr4 SDB. */
227 FT_long_long = 0x8008,
228 FT_signed_long_long = 0x8108,
229 FT_unsigned_long_long = 0x8208,
232 FT_signed_int8 = 0x9101,
233 FT_unsigned_int8 = 0x9201,
235 FT_signed_int16 = 0x9402,
236 FT_unsigned_int16 = 0x9502,
238 FT_signed_int32 = 0x9704,
239 FT_unsigned_int32 = 0x9804,
241 FT_signed_int64 = 0x9a08,
242 FT_unsigned_int64 = 0x9b08,
244 FT_signed_int128 = 0x9d10,
245 FT_unsigned_int128 = 0x9e10,
253 #define FT_lo_user 0x8000 /* implementation-defined range start */
254 #define FT_hi_user 0xffff /* implementation defined range end */
256 /* Type modifier names and codes. */
258 enum dwarf_type_modifier {
259 MOD_pointer_to = 0x01,
260 MOD_reference_to = 0x02,
265 #define MOD_lo_user 0x80 /* implementation-defined range start */
266 #define MOD_hi_user 0xff /* implementation-defined range end */
268 /* Array ordering names and codes. */
270 enum dwarf_array_dim_ordering {
275 /* Array subscript format names and codes. */
277 enum dwarf_subscr_data_formats {
289 /* Derived from above for ease of use. */
291 #define FMT_CODE(_FUNDAMENTAL_TYPE_P, _LB_CONST_P, _UB_CONST_P) \
292 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \
293 | ((_LB_CONST_P) ? 0 : 2) \
294 | ((_UB_CONST_P) ? 0 : 1))
296 /* Source language names and codes. */
298 enum dwarf_source_language {
299 LANG_C89 = 0x00000001,
301 LANG_ADA83 = 0x00000003,
302 LANG_C_PLUS_PLUS = 0x00000004,
303 LANG_COBOL74 = 0x00000005,
304 LANG_COBOL85 = 0x00000006,
305 LANG_FORTRAN77 = 0x00000007,
306 LANG_FORTRAN90 = 0x00000008,
307 LANG_PASCAL83 = 0x00000009,
308 LANG_MODULA2 = 0x0000000a,
309 LANG_JAVA = 0x0000000b
312 #define LANG_lo_user 0x00008000 /* implementation-defined range start */
313 #define LANG_hi_user 0x0000ffff /* implementation-defined range end */
315 /* Names and codes for GNU "macinfo" extension. */
317 enum dwarf_macinfo_record_type {
319 MACINFO_resume = 'r',
320 MACINFO_define = 'd',
324 #endif /* _ELF_DWARF_H */