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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [include/] [elf/] [dwarf.h] - Blame information for rev 281

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1 227 jeremybenn
/* Declarations and definitions of codes relating to the DWARF symbolic
2
   debugging information format.
3
 
4
   Written by Ron Guilmette (rfg@netcom.com)
5
 
6
Copyright 1992, 1993, 1995, 1999, 2005 Free Software Foundation, Inc.
7
 
8
This file is part of GCC.
9
 
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
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version.
14
 
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
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
19
 
20
You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING.  If not, write to the Free
22
Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA.  */
24
 
25
/* This file is derived from the DWARF specification (a public document)
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   Revision 1.0.1 (April 8, 1992) developed by the UNIX International
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   Programming Languages Special Interest Group (UI/PLSIG) and distributed
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   by UNIX International.  Copies of this specification are available from
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   UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
30
*/
31
 
32
#ifndef _ELF_DWARF_H
33
#define _ELF_DWARF_H
34
 
35
/* Tag names and codes.  */
36
 
37
enum dwarf_tag {
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    TAG_padding                 = 0x0000,
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    TAG_array_type              = 0x0001,
40
    TAG_class_type              = 0x0002,
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    TAG_entry_point             = 0x0003,
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    TAG_enumeration_type        = 0x0004,
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    TAG_formal_parameter        = 0x0005,
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    TAG_global_subroutine       = 0x0006,
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    TAG_global_variable         = 0x0007,
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                                /* 0x0008 -- reserved */
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                                /* 0x0009 -- reserved */
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    TAG_label                   = 0x000a,
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    TAG_lexical_block           = 0x000b,
50
    TAG_local_variable          = 0x000c,
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    TAG_member                  = 0x000d,
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                                /* 0x000e -- reserved */
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    TAG_pointer_type            = 0x000f,
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    TAG_reference_type          = 0x0010,
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    TAG_compile_unit            = 0x0011,
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    TAG_string_type             = 0x0012,
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    TAG_structure_type          = 0x0013,
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    TAG_subroutine              = 0x0014,
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    TAG_subroutine_type         = 0x0015,
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    TAG_typedef                 = 0x0016,
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    TAG_union_type              = 0x0017,
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    TAG_unspecified_parameters  = 0x0018,
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    TAG_variant                 = 0x0019,
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    TAG_common_block            = 0x001a,
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    TAG_common_inclusion        = 0x001b,
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    TAG_inheritance             = 0x001c,
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    TAG_inlined_subroutine      = 0x001d,
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    TAG_module                  = 0x001e,
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    TAG_ptr_to_member_type      = 0x001f,
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    TAG_set_type                = 0x0020,
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    TAG_subrange_type           = 0x0021,
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    TAG_with_stmt               = 0x0022,
73
 
74
    /* GNU extensions */
75
 
76
    TAG_format_label            = 0x8000,  /* for FORTRAN 77 and Fortran 90 */
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    TAG_namelist                = 0x8001,  /* For Fortran 90 */
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    TAG_function_template       = 0x8002,  /* for C++ */
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    TAG_class_template          = 0x8003   /* for C++ */
80
};
81
 
82
#define TAG_lo_user     0x8000  /* implementation-defined range start */
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#define TAG_hi_user     0xffff  /* implementation-defined range end */
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#define TAG_source_file TAG_compile_unit  /* for backward compatibility */
85
 
86
/* Form names and codes.  */
87
 
88
enum dwarf_form {
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    FORM_ADDR   = 0x1,
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    FORM_REF    = 0x2,
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    FORM_BLOCK2 = 0x3,
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    FORM_BLOCK4 = 0x4,
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    FORM_DATA2  = 0x5,
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    FORM_DATA4  = 0x6,
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    FORM_DATA8  = 0x7,
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    FORM_STRING = 0x8
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};
98
 
99
/* Attribute names and codes.  */
100
 
101
enum dwarf_attribute {
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    AT_sibling                  = (0x0010|FORM_REF),
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    AT_location                 = (0x0020|FORM_BLOCK2),
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    AT_name                     = (0x0030|FORM_STRING),
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    AT_fund_type                = (0x0050|FORM_DATA2),
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    AT_mod_fund_type            = (0x0060|FORM_BLOCK2),
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    AT_user_def_type            = (0x0070|FORM_REF),
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    AT_mod_u_d_type             = (0x0080|FORM_BLOCK2),
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    AT_ordering                 = (0x0090|FORM_DATA2),
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    AT_subscr_data              = (0x00a0|FORM_BLOCK2),
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    AT_byte_size                = (0x00b0|FORM_DATA4),
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    AT_bit_offset               = (0x00c0|FORM_DATA2),
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    AT_bit_size                 = (0x00d0|FORM_DATA4),
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                                /* (0x00e0|FORM_xxxx) -- reserved */
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    AT_element_list             = (0x00f0|FORM_BLOCK4),
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    AT_stmt_list                = (0x0100|FORM_DATA4),
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    AT_low_pc                   = (0x0110|FORM_ADDR),
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    AT_high_pc                  = (0x0120|FORM_ADDR),
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    AT_language                 = (0x0130|FORM_DATA4),
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    AT_member                   = (0x0140|FORM_REF),
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    AT_discr                    = (0x0150|FORM_REF),
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    AT_discr_value              = (0x0160|FORM_BLOCK2),
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                                /* (0x0170|FORM_xxxx) -- reserved */
124
                                /* (0x0180|FORM_xxxx) -- reserved */
125
    AT_string_length            = (0x0190|FORM_BLOCK2),
126
    AT_common_reference         = (0x01a0|FORM_REF),
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    AT_comp_dir                 = (0x01b0|FORM_STRING),
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        AT_const_value_string   = (0x01c0|FORM_STRING),
129
        AT_const_value_data2    = (0x01c0|FORM_DATA2),
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        AT_const_value_data4    = (0x01c0|FORM_DATA4),
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        AT_const_value_data8    = (0x01c0|FORM_DATA8),
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        AT_const_value_block2   = (0x01c0|FORM_BLOCK2),
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        AT_const_value_block4   = (0x01c0|FORM_BLOCK4),
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    AT_containing_type          = (0x01d0|FORM_REF),
135
        AT_default_value_addr   = (0x01e0|FORM_ADDR),
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        AT_default_value_data2  = (0x01e0|FORM_DATA2),
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        AT_default_value_data4  = (0x01e0|FORM_DATA4),
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        AT_default_value_data8  = (0x01e0|FORM_DATA8),
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        AT_default_value_string = (0x01e0|FORM_STRING),
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    AT_friends                  = (0x01f0|FORM_BLOCK2),
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    AT_inline                   = (0x0200|FORM_STRING),
142
    AT_is_optional              = (0x0210|FORM_STRING),
143
        AT_lower_bound_ref      = (0x0220|FORM_REF),
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        AT_lower_bound_data2    = (0x0220|FORM_DATA2),
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        AT_lower_bound_data4    = (0x0220|FORM_DATA4),
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        AT_lower_bound_data8    = (0x0220|FORM_DATA8),
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    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),
163
 
164
    /* GNU extensions.  */
165
 
166
    AT_sf_names                 = (0x8000|FORM_DATA4),
167
    AT_src_info                 = (0x8010|FORM_DATA4),
168
    AT_mac_info                 = (0x8020|FORM_DATA4),
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    AT_src_coords               = (0x8030|FORM_DATA4),
170
    AT_body_begin               = (0x8040|FORM_ADDR),
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    AT_body_end                 = (0x8050|FORM_ADDR)
172
};
173
 
174
#define AT_lo_user      0x2000  /* implementation-defined range start */
175
#define AT_hi_user      0x3ff0  /* implementation-defined range end */
176
 
177
/* Location atom names and codes.  */
178
 
179
enum dwarf_location_atom {
180
    OP_REG      = 0x01,
181
    OP_BASEREG  = 0x02,
182
    OP_ADDR     = 0x03,
183
    OP_CONST    = 0x04,
184
    OP_DEREF2   = 0x05,
185
    OP_DEREF4   = 0x06,
186
    OP_ADD      = 0x07,
187
 
188
    /* GNU extensions.  */
189
 
190
    OP_MULT     = 0x80
191
};
192
 
193
#define OP_LO_USER      0x80  /* implementation-defined range start */
194
#define OP_HI_USER      0xff  /* implementation-defined range end */
195
 
196
/* Fundamental type names and codes.  */
197
 
198
enum dwarf_fundamental_type {
199
    FT_char             = 0x0001,
200
    FT_signed_char      = 0x0002,
201
    FT_unsigned_char    = 0x0003,
202
    FT_short            = 0x0004,
203
    FT_signed_short     = 0x0005,
204
    FT_unsigned_short   = 0x0006,
205
    FT_integer          = 0x0007,
206
    FT_signed_integer   = 0x0008,
207
    FT_unsigned_integer = 0x0009,
208
    FT_long             = 0x000a,
209
    FT_signed_long      = 0x000b,
210
    FT_unsigned_long    = 0x000c,
211
    FT_pointer          = 0x000d,  /* an alias for (void *) */
212
    FT_float            = 0x000e,
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 */
218
    FT_void             = 0x0014,
219
    FT_boolean          = 0x0015,  /* breaks "classic" svr4 SDB */
220
    FT_ext_prec_complex = 0x0016,  /* breaks "classic" svr4 SDB */
221
    FT_label            = 0x0017,
222
 
223
    /* GNU extensions
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.  */
226
 
227
    FT_long_long        = 0x8008,
228
    FT_signed_long_long = 0x8108,
229
    FT_unsigned_long_long = 0x8208,
230
 
231
    FT_int8             = 0x9001,
232
    FT_signed_int8      = 0x9101,
233
    FT_unsigned_int8    = 0x9201,
234
    FT_int16            = 0x9302,
235
    FT_signed_int16     = 0x9402,
236
    FT_unsigned_int16   = 0x9502,
237
    FT_int32            = 0x9604,
238
    FT_signed_int32     = 0x9704,
239
    FT_unsigned_int32   = 0x9804,
240
    FT_int64            = 0x9908,
241
    FT_signed_int64     = 0x9a08,
242
    FT_unsigned_int64   = 0x9b08,
243
    FT_int128           = 0x9c10,
244
    FT_signed_int128    = 0x9d10,
245
    FT_unsigned_int128  = 0x9e10,
246
 
247
    FT_real32           = 0xa004,
248
    FT_real64           = 0xa108,
249
    FT_real96           = 0xa20c,
250
    FT_real128          = 0xa310
251
};
252
 
253
#define FT_lo_user      0x8000  /* implementation-defined range start */
254
#define FT_hi_user      0xffff  /* implementation defined range end */
255
 
256
/* Type modifier names and codes.  */
257
 
258
enum dwarf_type_modifier {
259
    MOD_pointer_to      = 0x01,
260
    MOD_reference_to    = 0x02,
261
    MOD_const           = 0x03,
262
    MOD_volatile        = 0x04
263
};
264
 
265
#define MOD_lo_user     0x80  /* implementation-defined range start */
266
#define MOD_hi_user     0xff  /* implementation-defined range end */
267
 
268
/* Array ordering names and codes.  */
269
 
270
enum dwarf_array_dim_ordering {
271
    ORD_row_major       = 0,
272
    ORD_col_major       = 1
273
};
274
 
275
/* Array subscript format names and codes.  */
276
 
277
enum dwarf_subscr_data_formats {
278
    FMT_FT_C_C  = 0x0,
279
    FMT_FT_C_X  = 0x1,
280
    FMT_FT_X_C  = 0x2,
281
    FMT_FT_X_X  = 0x3,
282
    FMT_UT_C_C  = 0x4,
283
    FMT_UT_C_X  = 0x5,
284
    FMT_UT_X_C  = 0x6,
285
    FMT_UT_X_X  = 0x7,
286
    FMT_ET      = 0x8
287
};
288
 
289
/* Derived from above for ease of use.  */
290
 
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))
295
 
296
/* Source language names and codes.  */
297
 
298
enum dwarf_source_language {
299
    LANG_C89            = 0x00000001,
300
    LANG_C              = 0x00000002,
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
310
};
311
 
312
#define LANG_lo_user    0x00008000  /* implementation-defined range start */
313
#define LANG_hi_user    0x0000ffff  /* implementation-defined range end */
314
 
315
/* Names and codes for GNU "macinfo" extension.  */
316
 
317
enum dwarf_macinfo_record_type {
318
    MACINFO_start       = 's',
319
    MACINFO_resume      = 'r',
320
    MACINFO_define      = 'd',
321
    MACINFO_undef       = 'u'
322
};
323
 
324
#endif /* _ELF_DWARF_H */

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