Daily bump.
[official-gcc.git] / gcc / dwarf.h
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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 (C) 1992 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
13 version.
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
18 for more details.
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, 59 Temple Place - Suite 330, Boston, MA
23 02111-1307, USA. */
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.
32 /* Tag names and codes. */
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,
71 /* GNU extensions */
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++ */
79 #define TAG_lo_user 0x8000 /* implementation-defined range start */
80 #define TAG_hi_user 0xffff /* implementation-defined range end */
81 #define TAG_source_file TAG_compile_unit /* for backward compatibility */
83 /* Form names and codes. */
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
96 /* Attribute names and codes. */
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),
144 AT_private = (0x0240|FORM_STRING),
145 AT_producer = (0x0250|FORM_STRING),
146 AT_program = (0x0230|FORM_STRING),
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),
152 AT_abstract_origin = (0x02b0|FORM_REF),
153 AT_start_scope = (0x02c0|FORM_DATA4),
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),
161 /* GNU extensions. */
163 AT_sf_names = (0x8000|FORM_DATA4),
164 AT_src_info = (0x8010|FORM_DATA4),
165 AT_mac_info = (0x8020|FORM_DATA4),
166 AT_src_coords = (0x8030|FORM_DATA4),
167 AT_body_begin = (0x8040|FORM_ADDR),
168 AT_body_end = (0x8050|FORM_ADDR)
171 #define AT_lo_user 0x2000 /* implementation-defined range start */
172 #define AT_hi_user 0x3ff0 /* implementation-defined range end */
174 /* Location atom names and codes. */
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,
183 OP_ADD = 0x07,
185 /* GNU extensions. */
187 OP_MULT = 0x80
190 #define OP_LO_USER 0x80 /* implementation-defined range start */
191 #define OP_HI_USER 0xff /* implementation-defined range end */
193 /* Fundamental type names and codes. */
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,
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 */
224 FT_long_long = 0x8008,
225 FT_signed_long_long = 0x8108,
226 FT_unsigned_long_long = 0x8208,
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 FT_int128 = 0x9c10,
241 FT_signed_int128 = 0x9d10,
242 FT_unsigned_int128 = 0x9e10,
244 FT_real32 = 0xa004,
245 FT_real64 = 0xa108,
246 FT_real96 = 0xa20c,
247 FT_real128 = 0xa310
250 #define FT_lo_user 0x8000 /* implementation-defined range start */
251 #define FT_hi_user 0xffff /* implementation defined range end */
253 /* Type modifier names and codes. */
255 enum dwarf_type_modifier {
256 MOD_pointer_to = 0x01,
257 MOD_reference_to = 0x02,
258 MOD_const = 0x03,
259 MOD_volatile = 0x04
262 #define MOD_lo_user 0x80 /* implementation-defined range start */
263 #define MOD_hi_user 0xff /* implementation-defined range end */
265 /* Array ordering names and codes. */
267 enum dwarf_array_dim_ordering {
268 ORD_row_major = 0,
269 ORD_col_major = 1
272 /* Array subscript format names and codes. */
274 enum dwarf_subscr_data_formats {
275 FMT_FT_C_C = 0x0,
276 FMT_FT_C_X = 0x1,
277 FMT_FT_X_C = 0x2,
278 FMT_FT_X_X = 0x3,
279 FMT_UT_C_C = 0x4,
280 FMT_UT_C_X = 0x5,
281 FMT_UT_X_C = 0x6,
282 FMT_UT_X_X = 0x7,
283 FMT_ET = 0x8
286 /* Derived from above for ease of use. */
288 #define FMT_CODE(_FUNDAMENTAL_TYPE_P, _LB_CONST_P, _UB_CONST_P) \
289 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \
290 | ((_LB_CONST_P) ? 0 : 2) \
291 | ((_UB_CONST_P) ? 0 : 1))
293 /* Source language names and codes. */
295 enum dwarf_source_language {
296 LANG_C89 = 0x00000001,
297 LANG_C = 0x00000002,
298 LANG_ADA83 = 0x00000003,
299 LANG_C_PLUS_PLUS = 0x00000004,
300 LANG_COBOL74 = 0x00000005,
301 LANG_COBOL85 = 0x00000006,
302 LANG_FORTRAN77 = 0x00000007,
303 LANG_FORTRAN90 = 0x00000008,
304 LANG_PASCAL83 = 0x00000009,
305 LANG_MODULA2 = 0x0000000a,
306 LANG_JAVA = 0x0000000b
309 #define LANG_lo_user 0x00008000 /* implementation-defined range start */
310 #define LANG_hi_user 0x0000ffff /* implementation-defined range end */
312 /* Names and codes for GNU "macinfo" extension. */
314 enum dwarf_macinfo_record_type {
315 MACINFO_start = 's',
316 MACINFO_resume = 'r',
317 MACINFO_define = 'd',
318 MACINFO_undef = 'u'