File: dwarf2.h

package info (click to toggle)
dwz 0.13-5~bpo10+1
  • links: PTS
  • area: main
  • in suites: buster-backports
  • size: 1,564 kB
  • sloc: ansic: 13,097; asm: 1,745; exp: 1,210; sh: 919; makefile: 98; awk: 23
file content (542 lines) | stat: -rw-r--r-- 15,451 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
/* Declarations and definitions of codes relating to the DWARF2 and
   DWARF3 symbolic debugging information formats.
   Copyright (C) 1992-2019 Free Software Foundation, Inc.

   Written by Gary Funck (gary@intrepid.com) The Ada Joint Program
   Office (AJPO), Florida State University and Silicon Graphics Inc.
   provided support for this effort -- June 21, 1995.

   Derived from the DWARF 1 implementation written by Ron Guilmette
   (rfg@netcom.com), November 1990.

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify it under
   the terms of the GNU General Public License as published by the Free
   Software Foundation; either version 3, or (at your option) any later
   version.

   GCC is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
   License for more details.

   Under Section 7 of GPL version 3, you are granted additional
   permissions described in the GCC Runtime Library Exception, version
   3.1, as published by the Free Software Foundation.

   You should have received a copy of the GNU General Public License and
   a copy of the GCC Runtime Library Exception along with this program;
   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
   <http://www.gnu.org/licenses/>.  */

/* This file is derived from the DWARF specification (a public document)
   Revision 2.0.0 (July 27, 1993) developed by the UNIX International
   Programming Languages Special Interest Group (UI/PLSIG) and distributed
   by UNIX International.  Copies of this specification are available from
   UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.

   This file also now contains definitions from the DWARF 3 specification
   published Dec 20, 2005, available from: http://dwarf.freestandards.org.  */

#ifndef _DWARF2_H
#define _DWARF2_H

#define DW_TAG(name, value) , name = value
#define DW_TAG_DUP(name, value) , name = value
#define DW_FORM(name, value) , name = value
#define DW_AT(name, value) , name = value
#define DW_AT_DUP(name, value) , name = value
#define DW_OP(name, value) , name = value
#define DW_OP_DUP(name, value) , name = value
#define DW_ATE(name, value) , name = value
#define DW_ATE_DUP(name, value) , name = value
#define DW_CFA(name, value) , name = value
#define DW_CFA_DUP(name, value) , name = value
#define DW_IDX(name, value) , name = value
#define DW_IDX_DUP(name, value) , name = value

#define DW_FIRST_TAG(name, value) enum dwarf_tag { \
  name = value
#define DW_END_TAG };
#define DW_FIRST_FORM(name, value) enum dwarf_form { \
  name = value
#define DW_END_FORM };
#define DW_FIRST_AT(name, value) enum dwarf_attribute { \
  name = value
#define DW_END_AT };
#define DW_FIRST_OP(name, value) enum dwarf_location_atom { \
  name = value
#define DW_END_OP };
#define DW_FIRST_ATE(name, value) enum dwarf_type { \
  name = value
#define DW_END_ATE };
#define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \
  name = value
#define DW_END_CFA };
#define DW_FIRST_IDX(name, value) enum dwarf_name_index_attribute { \
  name = value
#define DW_END_IDX };

#include "dwarf2.def"

#undef DW_FIRST_TAG
#undef DW_END_TAG
#undef DW_FIRST_FORM
#undef DW_END_FORM
#undef DW_FIRST_AT
#undef DW_END_AT
#undef DW_FIRST_OP
#undef DW_END_OP
#undef DW_FIRST_ATE
#undef DW_END_ATE
#undef DW_FIRST_CFA
#undef DW_END_CFA
#undef DW_FIRST_IDX
#undef DW_END_IDX

#undef DW_TAG
#undef DW_TAG_DUP
#undef DW_FORM
#undef DW_AT
#undef DW_AT_DUP
#undef DW_OP
#undef DW_OP_DUP
#undef DW_ATE
#undef DW_ATE_DUP
#undef DW_CFA
#undef DW_CFA_DUP
#undef DW_IDX
#undef DW_IDX_DUP

/* Flag that tells whether entry has a child or not.  */
#define DW_children_no   0
#define	DW_children_yes  1

#define DW_AT_stride_size   DW_AT_bit_stride  /* Note: The use of DW_AT_stride_size is deprecated.  */
#define DW_AT_stride   DW_AT_byte_stride  /* Note: The use of DW_AT_stride is deprecated.  */

/* Decimal sign encodings.  */
enum dwarf_decimal_sign_encoding
  {
    /* DWARF 3.  */
    DW_DS_unsigned = 0x01,
    DW_DS_leading_overpunch = 0x02,
    DW_DS_trailing_overpunch = 0x03,
    DW_DS_leading_separate = 0x04,
    DW_DS_trailing_separate = 0x05
  };

/* Endianity encodings.  */
enum dwarf_endianity_encoding
  {
    /* DWARF 3.  */
    DW_END_default = 0x00,
    DW_END_big = 0x01,
    DW_END_little = 0x02,

    DW_END_lo_user = 0x40,
    DW_END_hi_user = 0xff
  };

/* Array ordering names and codes.  */
enum dwarf_array_dim_ordering
  {
    DW_ORD_row_major = 0,
    DW_ORD_col_major = 1
  };

/* Access attribute.  */
enum dwarf_access_attribute
  {
    DW_ACCESS_public = 1,
    DW_ACCESS_protected = 2,
    DW_ACCESS_private = 3
  };

/* Visibility.  */
enum dwarf_visibility_attribute
  {
    DW_VIS_local = 1,
    DW_VIS_exported = 2,
    DW_VIS_qualified = 3
  };

/* Virtuality.  */
enum dwarf_virtuality_attribute
  {
    DW_VIRTUALITY_none = 0,
    DW_VIRTUALITY_virtual = 1,
    DW_VIRTUALITY_pure_virtual = 2
  };

/* Case sensitivity.  */
enum dwarf_id_case
  {
    DW_ID_case_sensitive = 0,
    DW_ID_up_case = 1,
    DW_ID_down_case = 2,
    DW_ID_case_insensitive = 3
  };

/* Calling convention.  */
enum dwarf_calling_convention
  {
    DW_CC_normal = 0x1,
    DW_CC_program = 0x2,
    DW_CC_nocall = 0x3,

    /* DWARF 5.  */
    DW_CC_pass_by_reference = 0x4,
    DW_CC_pass_by_value = 0x5,

    DW_CC_lo_user = 0x40,
    DW_CC_hi_user = 0xff,

    DW_CC_GNU_renesas_sh = 0x40,
    DW_CC_GNU_borland_fastcall_i386 = 0x41,

    /* This DW_CC_ value is not currently generated by any toolchain.  It is
       used internally to GDB to indicate OpenCL C functions that have been
       compiled with the IBM XL C for OpenCL compiler and use a non-platform
       calling convention for passing OpenCL C vector types.  This value may
       be changed freely as long as it does not conflict with any other DW_CC_
       value defined here.  */
    DW_CC_GDB_IBM_OpenCL = 0xff
  };

/* Inline attribute.  */
enum dwarf_inline_attribute
  {
    DW_INL_not_inlined = 0,
    DW_INL_inlined = 1,
    DW_INL_declared_not_inlined = 2,
    DW_INL_declared_inlined = 3
  };

/* Discriminant lists.  */
enum dwarf_discrim_list
  {
    DW_DSC_label = 0,
    DW_DSC_range = 1
  };

/* Line number opcodes.  */
enum dwarf_line_number_ops
  {
    DW_LNS_extended_op = 0,
    DW_LNS_copy = 1,
    DW_LNS_advance_pc = 2,
    DW_LNS_advance_line = 3,
    DW_LNS_set_file = 4,
    DW_LNS_set_column = 5,
    DW_LNS_negate_stmt = 6,
    DW_LNS_set_basic_block = 7,
    DW_LNS_const_add_pc = 8,
    DW_LNS_fixed_advance_pc = 9,
    /* DWARF 3.  */
    DW_LNS_set_prologue_end = 10,
    DW_LNS_set_epilogue_begin = 11,
    DW_LNS_set_isa = 12
  };

/* Line number extended opcodes.  */
enum dwarf_line_number_x_ops
  {
    DW_LNE_end_sequence = 1,
    DW_LNE_set_address = 2,
    DW_LNE_define_file = 3,
    DW_LNE_set_discriminator = 4,
    /* HP extensions.  */
    DW_LNE_HP_negate_is_UV_update      = 0x11,
    DW_LNE_HP_push_context             = 0x12,
    DW_LNE_HP_pop_context              = 0x13,
    DW_LNE_HP_set_file_line_column     = 0x14,
    DW_LNE_HP_set_routine_name         = 0x15,
    DW_LNE_HP_set_sequence             = 0x16,
    DW_LNE_HP_negate_post_semantics    = 0x17,
    DW_LNE_HP_negate_function_exit     = 0x18,
    DW_LNE_HP_negate_front_end_logical = 0x19,
    DW_LNE_HP_define_proc              = 0x20,
    DW_LNE_HP_source_file_correlation  = 0x80,

    DW_LNE_lo_user = 0x80,
    DW_LNE_hi_user = 0xff
  };

/* Sub-opcodes for DW_LNE_HP_source_file_correlation.  */
enum dwarf_line_number_hp_sfc_ops
  {
    DW_LNE_HP_SFC_formfeed = 1,
    DW_LNE_HP_SFC_set_listing_line = 2,
    DW_LNE_HP_SFC_associate = 3
  };

/* Content type codes in line table directory_entry_format
   and file_name_entry_format sequences.  */
enum dwarf_line_number_content_type
  {
    DW_LNCT_path = 0x1,
    DW_LNCT_directory_index = 0x2,
    DW_LNCT_timestamp = 0x3,
    DW_LNCT_size = 0x4,
    DW_LNCT_MD5 = 0x5,
    DW_LNCT_lo_user = 0x2000,
    DW_LNCT_hi_user = 0x3fff
  };

/* Type codes for location list entries.  */
enum dwarf_location_list_entry_type
  {
    DW_LLE_end_of_list = 0x00,
    DW_LLE_base_addressx = 0x01,
    DW_LLE_startx_endx = 0x02,
    DW_LLE_startx_length = 0x03,
    DW_LLE_offset_pair = 0x04,
    DW_LLE_default_location = 0x05,
    DW_LLE_base_address = 0x06,
    DW_LLE_start_end = 0x07,
    DW_LLE_start_length = 0x08,

    /* <http://lists.dwarfstd.org/private.cgi/dwarf-discuss-dwarfstd.org/2017-April/004347.html>
       has the proposal for now; only available to list members.

       A (possibly updated) copy of the proposal is available at
       <http://people.redhat.com/aoliva/papers/sfn/dwarf6-sfn-lvu.txt>.  */
    DW_LLE_GNU_view_pair = 0x09,
#define DW_LLE_view_pair DW_LLE_GNU_view_pair

    /* Former extension for Fission.
       See http://gcc.gnu.org/wiki/DebugFission.  */
    DW_LLE_GNU_end_of_list_entry = 0x00,
    DW_LLE_GNU_base_address_selection_entry = 0x01,
    DW_LLE_GNU_start_end_entry = 0x02,
    DW_LLE_GNU_start_length_entry = 0x03
  };

#define DW_CIE_ID	  0xffffffff
#define DW64_CIE_ID	  0xffffffffffffffffULL
#define DW_CIE_VERSION	  1

#define DW_CFA_extended   0

#define DW_CHILDREN_no		     0x00
#define DW_CHILDREN_yes		     0x01

#define DW_ADDR_none		0

/* Source language names and codes.  */
enum dwarf_source_language
  {
    DW_LANG_C89 = 0x0001,
    DW_LANG_C = 0x0002,
    DW_LANG_Ada83 = 0x0003,
    DW_LANG_C_plus_plus = 0x0004,
    DW_LANG_Cobol74 = 0x0005,
    DW_LANG_Cobol85 = 0x0006,
    DW_LANG_Fortran77 = 0x0007,
    DW_LANG_Fortran90 = 0x0008,
    DW_LANG_Pascal83 = 0x0009,
    DW_LANG_Modula2 = 0x000a,
    /* DWARF 3.  */
    DW_LANG_Java = 0x000b,
    DW_LANG_C99 = 0x000c,
    DW_LANG_Ada95 = 0x000d,
    DW_LANG_Fortran95 = 0x000e,
    DW_LANG_PLI = 0x000f,
    DW_LANG_ObjC = 0x0010,
    DW_LANG_ObjC_plus_plus = 0x0011,
    DW_LANG_UPC = 0x0012,
    DW_LANG_D = 0x0013,
    /* DWARF 4.  */
    DW_LANG_Python = 0x0014,
    /* DWARF 5.  */
    DW_LANG_OpenCL = 0x0015,
    DW_LANG_Go = 0x0016,
    DW_LANG_Modula3 = 0x0017,
    DW_LANG_Haskell = 0x0018,
    DW_LANG_C_plus_plus_03 = 0x0019,
    DW_LANG_C_plus_plus_11 = 0x001a,
    DW_LANG_OCaml = 0x001b,
    DW_LANG_Rust = 0x001c,
    DW_LANG_C11 = 0x001d,
    DW_LANG_Swift = 0x001e,
    DW_LANG_Julia = 0x001f,
    DW_LANG_Dylan = 0x0020,
    DW_LANG_C_plus_plus_14 = 0x0021,
    DW_LANG_Fortran03 = 0x0022,
    DW_LANG_Fortran08 = 0x0023,
    DW_LANG_RenderScript = 0x0024,

    DW_LANG_lo_user = 0x8000,	/* Implementation-defined range start.  */
    DW_LANG_hi_user = 0xffff,	/* Implementation-defined range start.  */

    /* MIPS.  */
    DW_LANG_Mips_Assembler = 0x8001,
    /* UPC.  */
    DW_LANG_Upc = 0x8765,
    /* HP extensions.  */
    DW_LANG_HP_Bliss     = 0x8003,
    DW_LANG_HP_Basic91   = 0x8004,
    DW_LANG_HP_Pascal91  = 0x8005,
    DW_LANG_HP_IMacro    = 0x8006,
    DW_LANG_HP_Assembler = 0x8007,

    /* Rust extension, but replaced in DWARF 5.  */
    DW_LANG_Rust_old = 0x9000
  };

/* Names and codes for macro information.  */
enum dwarf_macinfo_record_type
  {
    DW_MACINFO_define = 1,
    DW_MACINFO_undef = 2,
    DW_MACINFO_start_file = 3,
    DW_MACINFO_end_file = 4,
    DW_MACINFO_vendor_ext = 255
  };

/* DW_TAG_defaulted/DW_TAG_GNU_defaulted attributes.  */
enum dwarf_defaulted_attribute
  {
    DW_DEFAULTED_no = 0x00,
    DW_DEFAULTED_in_class = 0x01,
    DW_DEFAULTED_out_of_class = 0x02
  };

/* Names and codes for new style macro information.  */
enum dwarf_macro_record_type
  {
    DW_MACRO_define = 0x01,
    DW_MACRO_undef = 0x02,
    DW_MACRO_start_file = 0x03,
    DW_MACRO_end_file = 0x04,
    DW_MACRO_define_strp = 0x05,
    DW_MACRO_undef_strp = 0x06,
    DW_MACRO_import = 0x07,
    DW_MACRO_define_sup = 0x08,
    DW_MACRO_undef_sup = 0x09,
    DW_MACRO_import_sup = 0x0a,
    DW_MACRO_define_strx = 0x0b,
    DW_MACRO_undef_strx = 0x0c,
    DW_MACRO_lo_user = 0xe0,
    DW_MACRO_hi_user = 0xff,

    /* Compatibility macros for the GNU .debug_macro extension.  */
    DW_MACRO_GNU_define = 0x01,
    DW_MACRO_GNU_undef = 0x02,
    DW_MACRO_GNU_start_file = 0x03,
    DW_MACRO_GNU_end_file = 0x04,
    DW_MACRO_GNU_define_indirect = 0x05,
    DW_MACRO_GNU_undef_indirect = 0x06,
    DW_MACRO_GNU_transparent_include = 0x07,
    /* Extensions for DWZ multifile.
       See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open .  */
    DW_MACRO_GNU_define_indirect_alt = 0x08,
    DW_MACRO_GNU_undef_indirect_alt = 0x09,
    DW_MACRO_GNU_transparent_include_alt = 0x0a,
    DW_MACRO_GNU_lo_user = 0xe0,
    DW_MACRO_GNU_hi_user = 0xff
  };

/* Range list entry kinds in .debug_rnglists* section.  */
enum dwarf_range_list_entry
  {
    DW_RLE_end_of_list = 0x00,
    DW_RLE_base_addressx = 0x01,
    DW_RLE_startx_endx = 0x02,
    DW_RLE_startx_length = 0x03,
    DW_RLE_offset_pair = 0x04,
    DW_RLE_base_address = 0x05,
    DW_RLE_start_end = 0x06,
    DW_RLE_start_length = 0x07
  };

/* Unit types in unit_type unit header field.  */
enum dwarf_unit_type
  {
    DW_UT_compile = 0x01,
    DW_UT_type = 0x02,
    DW_UT_partial = 0x03,
    DW_UT_skeleton = 0x04,
    DW_UT_split_compile = 0x05,
    DW_UT_split_type = 0x06,
    DW_UT_lo_user = 0x80,
    DW_UT_hi_user = 0xff
  };

/* @@@ For use with GNU frame unwind information.  */

#define DW_EH_PE_absptr		0x00
#define DW_EH_PE_omit		0xff

#define DW_EH_PE_uleb128	0x01
#define DW_EH_PE_udata2		0x02
#define DW_EH_PE_udata4		0x03
#define DW_EH_PE_udata8		0x04
#define DW_EH_PE_sleb128	0x09
#define DW_EH_PE_sdata2		0x0A
#define DW_EH_PE_sdata4		0x0B
#define DW_EH_PE_sdata8		0x0C
#define DW_EH_PE_signed		0x08

#define DW_EH_PE_pcrel		0x10
#define DW_EH_PE_textrel	0x20
#define DW_EH_PE_datarel	0x30
#define DW_EH_PE_funcrel	0x40
#define DW_EH_PE_aligned	0x50

#define DW_EH_PE_indirect	0x80

/* Codes for the debug sections in a dwarf package (.dwp) file.
   Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFissionDWP.  */
enum dwarf_sect
  {
    DW_SECT_INFO = 1,
    DW_SECT_TYPES = 2,
    DW_SECT_ABBREV = 3,
    DW_SECT_LINE = 4,
    DW_SECT_LOC = 5,
    DW_SECT_STR_OFFSETS = 6,
    DW_SECT_MACINFO = 7,
    DW_SECT_MACRO = 8,
    DW_SECT_MAX = 8
  };

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/* Return the name of a DW_TAG_ constant, or NULL if the value is not
   recognized.  */
extern const char *get_DW_TAG_name (unsigned int tag);

/* Return the name of a DW_AT_ constant, or NULL if the value is not
   recognized.  */
extern const char *get_DW_AT_name (unsigned int attr);

/* Return the name of a DW_FORM_ constant, or NULL if the value is not
   recognized.  */
extern const char *get_DW_FORM_name (unsigned int form);

/* Return the name of a DW_OP_ constant, or NULL if the value is not
   recognized.  */
extern const char *get_DW_OP_name (unsigned int op);

/* Return the name of a DW_ATE_ constant, or NULL if the value is not
   recognized.  */
extern const char *get_DW_ATE_name (unsigned int enc);

/* Return the name of a DW_CFA_ constant, or NULL if the value is not
   recognized.  */
extern const char *get_DW_CFA_name (unsigned int opc);

/* Return the name of a DW_IDX_ constant, or NULL if the value is not
   recognized.  */
extern const char *get_DW_IDX_name (unsigned int idx);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _DWARF2_H */