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5191 serge 1 
/* Declarations and definitions of codes relating to the DWARF symbolic
2 
   debugging information format.
3 
 
4 
   Written by Ron Guilmette (rfg@netcom.com)
5 
 
6324 serge 6 
   Copyright (C) 1992-2015 Free Software Foundation, Inc.
5191 serge 7 
 
8 
   This file is part of both GCC and the BFD library.
9 
 
10 
   This program 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 3 of the License, or
13 
   (at your option) any later version.
14 
 
15 
   This program 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 GCC; see the file COPYING3.  If not, write to the Free
22 
   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
23 
   02110-1301, USA.  */
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 
 
31 
#ifndef _ELF_DWARF_H
32 
#define _ELF_DWARF_H
33 
 
34 
/* Tag names and codes.  */
35 
 
36 
enum 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 
 
87 
enum 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 
 
100 
enum 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	0x2000	/* implementation-defined range start */
174 
#define AT_hi_user	0x3ff0	/* implementation-defined range end */
175 
 
176 
/* Location atom names and codes.  */
177 
 
178 
enum 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 
    /* GNU extensions.  */
188 
 
189 
    OP_MULT	= 0x80
190 
};
191 
 
192 
#define OP_LO_USER	0x80  /* implementation-defined range start */
193 
#define OP_HI_USER	0xff  /* implementation-defined range end */
194 
 
195 
/* Fundamental type names and codes.  */
196 
 
197 
enum dwarf_fundamental_type {
198 
    FT_char		= 0x0001,
199 
    FT_signed_char	= 0x0002,
200 
    FT_unsigned_char	= 0x0003,
201 
    FT_short		= 0x0004,
202 
    FT_signed_short	= 0x0005,
203 
    FT_unsigned_short	= 0x0006,
204 
    FT_integer		= 0x0007,
205 
    FT_signed_integer	= 0x0008,
206 
    FT_unsigned_integer	= 0x0009,
207 
    FT_long		= 0x000a,
208 
    FT_signed_long	= 0x000b,
209 
    FT_unsigned_long	= 0x000c,
210 
    FT_pointer		= 0x000d,  /* an alias for (void *) */
211 
    FT_float		= 0x000e,
212 
    FT_dbl_prec_float	= 0x000f,
213 
    FT_ext_prec_float	= 0x0010,  /* breaks "classic" svr4 SDB */
214 
    FT_complex		= 0x0011,  /* breaks "classic" svr4 SDB */
215 
    FT_dbl_prec_complex	= 0x0012,  /* breaks "classic" svr4 SDB */
216 
			/* 0x0013 -- reserved */
217 
    FT_void		= 0x0014,
218 
    FT_boolean		= 0x0015,  /* breaks "classic" svr4 SDB */
219 
    FT_ext_prec_complex	= 0x0016,  /* breaks "classic" svr4 SDB */
220 
    FT_label		= 0x0017,
221 
 
222 
    /* GNU extensions
223 
       The low order byte must indicate the size (in bytes) for the type.
224 
       All of these types will probably break "classic" svr4 SDB.  */
225 
 
226 
    FT_long_long	= 0x8008,
227 
    FT_signed_long_long	= 0x8108,
228 
    FT_unsigned_long_long = 0x8208,
229 
 
230 
    FT_int8		= 0x9001,
231 
    FT_signed_int8	= 0x9101,
232 
    FT_unsigned_int8	= 0x9201,
233 
    FT_int16		= 0x9302,
234 
    FT_signed_int16	= 0x9402,
235 
    FT_unsigned_int16	= 0x9502,
236 
    FT_int32		= 0x9604,
237 
    FT_signed_int32	= 0x9704,
238 
    FT_unsigned_int32	= 0x9804,
239 
    FT_int64		= 0x9908,
240 
    FT_signed_int64	= 0x9a08,
241 
    FT_unsigned_int64	= 0x9b08,
242 
    FT_int128		= 0x9c10,
243 
    FT_signed_int128	= 0x9d10,
244 
    FT_unsigned_int128	= 0x9e10,
245 
 
246 
    FT_real32		= 0xa004,
247 
    FT_real64		= 0xa108,
248 
    FT_real96		= 0xa20c,
249 
    FT_real128		= 0xa310
250 
};
251 
 
252 
#define FT_lo_user	0x8000  /* implementation-defined range start */
253 
#define FT_hi_user	0xffff  /* implementation defined range end */
254 
 
255 
/* Type modifier names and codes.  */
256 
 
257 
enum dwarf_type_modifier {
258 
    MOD_pointer_to	= 0x01,
259 
    MOD_reference_to	= 0x02,
260 
    MOD_const		= 0x03,
261 
    MOD_volatile	= 0x04
262 
};
263 
 
264 
#define MOD_lo_user	0x80  /* implementation-defined range start */
265 
#define MOD_hi_user	0xff  /* implementation-defined range end */
266 
 
267 
/* Array ordering names and codes.  */
268 
 
269 
enum dwarf_array_dim_ordering {
270 
    ORD_row_major	= 0,
271 
    ORD_col_major	= 1
272 
};
273 
 
274 
/* Array subscript format names and codes.  */
275 
 
276 
enum dwarf_subscr_data_formats {
277 
    FMT_FT_C_C	= 0x0,
278 
    FMT_FT_C_X	= 0x1,
279 
    FMT_FT_X_C	= 0x2,
280 
    FMT_FT_X_X	= 0x3,
281 
    FMT_UT_C_C	= 0x4,
282 
    FMT_UT_C_X	= 0x5,
283 
    FMT_UT_X_C	= 0x6,
284 
    FMT_UT_X_X	= 0x7,
285 
    FMT_ET	= 0x8
286 
};
287 
 
288 
/* Derived from above for ease of use.  */
289 
 
290 
#define FMT_CODE(_FUNDAMENTAL_TYPE_P, _LB_CONST_P, _UB_CONST_P) \
291 
 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4)	\
292 
  | ((_LB_CONST_P) ? 0 : 2)		\
293 
  | ((_UB_CONST_P) ? 0 : 1))
294 
 
295 
/* Source language names and codes.  */
296 
 
297 
enum dwarf_source_language {
298 
    LANG_C89		= 0x00000001,
299 
    LANG_C		= 0x00000002,
300 
    LANG_ADA83		= 0x00000003,
301 
    LANG_C_PLUS_PLUS	= 0x00000004,
302 
    LANG_COBOL74	= 0x00000005,
303 
    LANG_COBOL85	= 0x00000006,
304 
    LANG_FORTRAN77	= 0x00000007,
305 
    LANG_FORTRAN90	= 0x00000008,
306 
    LANG_PASCAL83	= 0x00000009,
307 
    LANG_MODULA2	= 0x0000000a,
308 
    LANG_JAVA		= 0x0000000b
309 
};
310 
 
311 
#define LANG_lo_user	0x00008000  /* implementation-defined range start */
312 
#define LANG_hi_user	0x0000ffff  /* implementation-defined range end */
313 
 
314 
/* Names and codes for GNU "macinfo" extension.  */
315 
 
316 
enum dwarf_macinfo_record_type {
317 
    MACINFO_start	= 's',
318 
    MACINFO_resume	= 'r',
319 
    MACINFO_define	= 'd',
320 
    MACINFO_undef	= 'u'
321 
};
322 
 
323 
#endif /* _ELF_DWARF_H */