podman

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// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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5
package dwarf
6

7
// Cut, pasted, tr-and-awk'ed from tables in
8
// http://dwarfstd.org/doc/Dwarf3.pdf
9

10
// Table 18
11
const (
12
	DW_TAG_array_type               = 0x01
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	DW_TAG_class_type               = 0x02
14
	DW_TAG_entry_point              = 0x03
15
	DW_TAG_enumeration_type         = 0x04
16
	DW_TAG_formal_parameter         = 0x05
17
	DW_TAG_imported_declaration     = 0x08
18
	DW_TAG_label                    = 0x0a
19
	DW_TAG_lexical_block            = 0x0b
20
	DW_TAG_member                   = 0x0d
21
	DW_TAG_pointer_type             = 0x0f
22
	DW_TAG_reference_type           = 0x10
23
	DW_TAG_compile_unit             = 0x11
24
	DW_TAG_string_type              = 0x12
25
	DW_TAG_structure_type           = 0x13
26
	DW_TAG_subroutine_type          = 0x15
27
	DW_TAG_typedef                  = 0x16
28
	DW_TAG_union_type               = 0x17
29
	DW_TAG_unspecified_parameters   = 0x18
30
	DW_TAG_variant                  = 0x19
31
	DW_TAG_common_block             = 0x1a
32
	DW_TAG_common_inclusion         = 0x1b
33
	DW_TAG_inheritance              = 0x1c
34
	DW_TAG_inlined_subroutine       = 0x1d
35
	DW_TAG_module                   = 0x1e
36
	DW_TAG_ptr_to_member_type       = 0x1f
37
	DW_TAG_set_type                 = 0x20
38
	DW_TAG_subrange_type            = 0x21
39
	DW_TAG_with_stmt                = 0x22
40
	DW_TAG_access_declaration       = 0x23
41
	DW_TAG_base_type                = 0x24
42
	DW_TAG_catch_block              = 0x25
43
	DW_TAG_const_type               = 0x26
44
	DW_TAG_constant                 = 0x27
45
	DW_TAG_enumerator               = 0x28
46
	DW_TAG_file_type                = 0x29
47
	DW_TAG_friend                   = 0x2a
48
	DW_TAG_namelist                 = 0x2b
49
	DW_TAG_namelist_item            = 0x2c
50
	DW_TAG_packed_type              = 0x2d
51
	DW_TAG_subprogram               = 0x2e
52
	DW_TAG_template_type_parameter  = 0x2f
53
	DW_TAG_template_value_parameter = 0x30
54
	DW_TAG_thrown_type              = 0x31
55
	DW_TAG_try_block                = 0x32
56
	DW_TAG_variant_part             = 0x33
57
	DW_TAG_variable                 = 0x34
58
	DW_TAG_volatile_type            = 0x35
59
	// Dwarf3
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	DW_TAG_dwarf_procedure  = 0x36
61
	DW_TAG_restrict_type    = 0x37
62
	DW_TAG_interface_type   = 0x38
63
	DW_TAG_namespace        = 0x39
64
	DW_TAG_imported_module  = 0x3a
65
	DW_TAG_unspecified_type = 0x3b
66
	DW_TAG_partial_unit     = 0x3c
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	DW_TAG_imported_unit    = 0x3d
68
	DW_TAG_condition        = 0x3f
69
	DW_TAG_shared_type      = 0x40
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	// Dwarf4
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	DW_TAG_type_unit             = 0x41
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	DW_TAG_rvalue_reference_type = 0x42
73
	DW_TAG_template_alias        = 0x43
74

75
	// User defined
76
	DW_TAG_lo_user = 0x4080
77
	DW_TAG_hi_user = 0xffff
78
)
79

80
// Table 19
81
const (
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	DW_CHILDREN_no  = 0x00
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	DW_CHILDREN_yes = 0x01
84
)
85

86
// Not from the spec, but logically belongs here
87
const (
88
	DW_CLS_ADDRESS = 0x01 + iota
89
	DW_CLS_BLOCK
90
	DW_CLS_CONSTANT
91
	DW_CLS_FLAG
92
	DW_CLS_PTR // lineptr, loclistptr, macptr, rangelistptr
93
	DW_CLS_REFERENCE
94
	DW_CLS_ADDRLOC
95
	DW_CLS_STRING
96

97
	// Go-specific internal hackery.
98
	DW_CLS_GO_TYPEREF
99
)
100

101
// Table 20
102
const (
103
	DW_AT_sibling              = 0x01 // reference
104
	DW_AT_location             = 0x02 // block, loclistptr
105
	DW_AT_name                 = 0x03 // string
106
	DW_AT_ordering             = 0x09 // constant
107
	DW_AT_byte_size            = 0x0b // block, constant, reference
108
	DW_AT_bit_offset           = 0x0c // block, constant, reference
109
	DW_AT_bit_size             = 0x0d // block, constant, reference
110
	DW_AT_stmt_list            = 0x10 // lineptr
111
	DW_AT_low_pc               = 0x11 // address
112
	DW_AT_high_pc              = 0x12 // address
113
	DW_AT_language             = 0x13 // constant
114
	DW_AT_discr                = 0x15 // reference
115
	DW_AT_discr_value          = 0x16 // constant
116
	DW_AT_visibility           = 0x17 // constant
117
	DW_AT_import               = 0x18 // reference
118
	DW_AT_string_length        = 0x19 // block, loclistptr
119
	DW_AT_common_reference     = 0x1a // reference
120
	DW_AT_comp_dir             = 0x1b // string
121
	DW_AT_const_value          = 0x1c // block, constant, string
122
	DW_AT_containing_type      = 0x1d // reference
123
	DW_AT_default_value        = 0x1e // reference
124
	DW_AT_inline               = 0x20 // constant
125
	DW_AT_is_optional          = 0x21 // flag
126
	DW_AT_lower_bound          = 0x22 // block, constant, reference
127
	DW_AT_producer             = 0x25 // string
128
	DW_AT_prototyped           = 0x27 // flag
129
	DW_AT_return_addr          = 0x2a // block, loclistptr
130
	DW_AT_start_scope          = 0x2c // constant
131
	DW_AT_bit_stride           = 0x2e // constant
132
	DW_AT_upper_bound          = 0x2f // block, constant, reference
133
	DW_AT_abstract_origin      = 0x31 // reference
134
	DW_AT_accessibility        = 0x32 // constant
135
	DW_AT_address_class        = 0x33 // constant
136
	DW_AT_artificial           = 0x34 // flag
137
	DW_AT_base_types           = 0x35 // reference
138
	DW_AT_calling_convention   = 0x36 // constant
139
	DW_AT_count                = 0x37 // block, constant, reference
140
	DW_AT_data_member_location = 0x38 // block, constant, loclistptr
141
	DW_AT_decl_column          = 0x39 // constant
142
	DW_AT_decl_file            = 0x3a // constant
143
	DW_AT_decl_line            = 0x3b // constant
144
	DW_AT_declaration          = 0x3c // flag
145
	DW_AT_discr_list           = 0x3d // block
146
	DW_AT_encoding             = 0x3e // constant
147
	DW_AT_external             = 0x3f // flag
148
	DW_AT_frame_base           = 0x40 // block, loclistptr
149
	DW_AT_friend               = 0x41 // reference
150
	DW_AT_identifier_case      = 0x42 // constant
151
	DW_AT_macro_info           = 0x43 // macptr
152
	DW_AT_namelist_item        = 0x44 // block
153
	DW_AT_priority             = 0x45 // reference
154
	DW_AT_segment              = 0x46 // block, loclistptr
155
	DW_AT_specification        = 0x47 // reference
156
	DW_AT_static_link          = 0x48 // block, loclistptr
157
	DW_AT_type                 = 0x49 // reference
158
	DW_AT_use_location         = 0x4a // block, loclistptr
159
	DW_AT_variable_parameter   = 0x4b // flag
160
	DW_AT_virtuality           = 0x4c // constant
161
	DW_AT_vtable_elem_location = 0x4d // block, loclistptr
162
	// Dwarf3
163
	DW_AT_allocated      = 0x4e // block, constant, reference
164
	DW_AT_associated     = 0x4f // block, constant, reference
165
	DW_AT_data_location  = 0x50 // block
166
	DW_AT_byte_stride    = 0x51 // block, constant, reference
167
	DW_AT_entry_pc       = 0x52 // address
168
	DW_AT_use_UTF8       = 0x53 // flag
169
	DW_AT_extension      = 0x54 // reference
170
	DW_AT_ranges         = 0x55 // rangelistptr
171
	DW_AT_trampoline     = 0x56 // address, flag, reference, string
172
	DW_AT_call_column    = 0x57 // constant
173
	DW_AT_call_file      = 0x58 // constant
174
	DW_AT_call_line      = 0x59 // constant
175
	DW_AT_description    = 0x5a // string
176
	DW_AT_binary_scale   = 0x5b // constant
177
	DW_AT_decimal_scale  = 0x5c // constant
178
	DW_AT_small          = 0x5d // reference
179
	DW_AT_decimal_sign   = 0x5e // constant
180
	DW_AT_digit_count    = 0x5f // constant
181
	DW_AT_picture_string = 0x60 // string
182
	DW_AT_mutable        = 0x61 // flag
183
	DW_AT_threads_scaled = 0x62 // flag
184
	DW_AT_explicit       = 0x63 // flag
185
	DW_AT_object_pointer = 0x64 // reference
186
	DW_AT_endianity      = 0x65 // constant
187
	DW_AT_elemental      = 0x66 // flag
188
	DW_AT_pure           = 0x67 // flag
189
	DW_AT_recursive      = 0x68 // flag
190

191
	DW_AT_lo_user = 0x2000 // ---
192
	DW_AT_hi_user = 0x3fff // ---
193
)
194

195
// Table 21
196
const (
197
	DW_FORM_addr      = 0x01 // address
198
	DW_FORM_block2    = 0x03 // block
199
	DW_FORM_block4    = 0x04 // block
200
	DW_FORM_data2     = 0x05 // constant
201
	DW_FORM_data4     = 0x06 // constant, lineptr, loclistptr, macptr, rangelistptr
202
	DW_FORM_data8     = 0x07 // constant, lineptr, loclistptr, macptr, rangelistptr
203
	DW_FORM_string    = 0x08 // string
204
	DW_FORM_block     = 0x09 // block
205
	DW_FORM_block1    = 0x0a // block
206
	DW_FORM_data1     = 0x0b // constant
207
	DW_FORM_flag      = 0x0c // flag
208
	DW_FORM_sdata     = 0x0d // constant
209
	DW_FORM_strp      = 0x0e // string
210
	DW_FORM_udata     = 0x0f // constant
211
	DW_FORM_ref_addr  = 0x10 // reference
212
	DW_FORM_ref1      = 0x11 // reference
213
	DW_FORM_ref2      = 0x12 // reference
214
	DW_FORM_ref4      = 0x13 // reference
215
	DW_FORM_ref8      = 0x14 // reference
216
	DW_FORM_ref_udata = 0x15 // reference
217
	DW_FORM_indirect  = 0x16 // (see Section 7.5.3)
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	// Dwarf4
219
	DW_FORM_sec_offset   = 0x17 // lineptr, loclistptr, macptr, rangelistptr
220
	DW_FORM_exprloc      = 0x18 // exprloc
221
	DW_FORM_flag_present = 0x19 // flag
222
	DW_FORM_ref_sig8     = 0x20 // reference
223
	// Pseudo-form: expanded to data4 on IOS, udata elsewhere.
224
	DW_FORM_udata_pseudo = 0x99
225
)
226

227
// Table 24 (#operands, notes)
228
const (
229
	DW_OP_addr                = 0x03 // 1 constant address (size target specific)
230
	DW_OP_deref               = 0x06 // 0
231
	DW_OP_const1u             = 0x08 // 1 1-byte constant
232
	DW_OP_const1s             = 0x09 // 1 1-byte constant
233
	DW_OP_const2u             = 0x0a // 1 2-byte constant
234
	DW_OP_const2s             = 0x0b // 1 2-byte constant
235
	DW_OP_const4u             = 0x0c // 1 4-byte constant
236
	DW_OP_const4s             = 0x0d // 1 4-byte constant
237
	DW_OP_const8u             = 0x0e // 1 8-byte constant
238
	DW_OP_const8s             = 0x0f // 1 8-byte constant
239
	DW_OP_constu              = 0x10 // 1 ULEB128 constant
240
	DW_OP_consts              = 0x11 // 1 SLEB128 constant
241
	DW_OP_dup                 = 0x12 // 0
242
	DW_OP_drop                = 0x13 // 0
243
	DW_OP_over                = 0x14 // 0
244
	DW_OP_pick                = 0x15 // 1 1-byte stack index
245
	DW_OP_swap                = 0x16 // 0
246
	DW_OP_rot                 = 0x17 // 0
247
	DW_OP_xderef              = 0x18 // 0
248
	DW_OP_abs                 = 0x19 // 0
249
	DW_OP_and                 = 0x1a // 0
250
	DW_OP_div                 = 0x1b // 0
251
	DW_OP_minus               = 0x1c // 0
252
	DW_OP_mod                 = 0x1d // 0
253
	DW_OP_mul                 = 0x1e // 0
254
	DW_OP_neg                 = 0x1f // 0
255
	DW_OP_not                 = 0x20 // 0
256
	DW_OP_or                  = 0x21 // 0
257
	DW_OP_plus                = 0x22 // 0
258
	DW_OP_plus_uconst         = 0x23 // 1 ULEB128 addend
259
	DW_OP_shl                 = 0x24 // 0
260
	DW_OP_shr                 = 0x25 // 0
261
	DW_OP_shra                = 0x26 // 0
262
	DW_OP_xor                 = 0x27 // 0
263
	DW_OP_skip                = 0x2f // 1 signed 2-byte constant
264
	DW_OP_bra                 = 0x28 // 1 signed 2-byte constant
265
	DW_OP_eq                  = 0x29 // 0
266
	DW_OP_ge                  = 0x2a // 0
267
	DW_OP_gt                  = 0x2b // 0
268
	DW_OP_le                  = 0x2c // 0
269
	DW_OP_lt                  = 0x2d // 0
270
	DW_OP_ne                  = 0x2e // 0
271
	DW_OP_lit0                = 0x30 // 0 ...
272
	DW_OP_lit31               = 0x4f // 0 literals 0..31 = (DW_OP_lit0 + literal)
273
	DW_OP_reg0                = 0x50 // 0 ..
274
	DW_OP_reg31               = 0x6f // 0 reg 0..31 = (DW_OP_reg0 + regnum)
275
	DW_OP_breg0               = 0x70 // 1 ...
276
	DW_OP_breg31              = 0x8f // 1 SLEB128 offset base register 0..31 = (DW_OP_breg0 + regnum)
277
	DW_OP_regx                = 0x90 // 1 ULEB128 register
278
	DW_OP_fbreg               = 0x91 // 1 SLEB128 offset
279
	DW_OP_bregx               = 0x92 // 2 ULEB128 register followed by SLEB128 offset
280
	DW_OP_piece               = 0x93 // 1 ULEB128 size of piece addressed
281
	DW_OP_deref_size          = 0x94 // 1 1-byte size of data retrieved
282
	DW_OP_xderef_size         = 0x95 // 1 1-byte size of data retrieved
283
	DW_OP_nop                 = 0x96 // 0
284
	DW_OP_push_object_address = 0x97 // 0
285
	DW_OP_call2               = 0x98 // 1 2-byte offset of DIE
286
	DW_OP_call4               = 0x99 // 1 4-byte offset of DIE
287
	DW_OP_call_ref            = 0x9a // 1 4- or 8-byte offset of DIE
288
	DW_OP_form_tls_address    = 0x9b // 0
289
	DW_OP_call_frame_cfa      = 0x9c // 0
290
	DW_OP_bit_piece           = 0x9d // 2
291
	DW_OP_lo_user             = 0xe0
292
	DW_OP_hi_user             = 0xff
293
)
294

295
// Table 25
296
const (
297
	DW_ATE_address         = 0x01
298
	DW_ATE_boolean         = 0x02
299
	DW_ATE_complex_float   = 0x03
300
	DW_ATE_float           = 0x04
301
	DW_ATE_signed          = 0x05
302
	DW_ATE_signed_char     = 0x06
303
	DW_ATE_unsigned        = 0x07
304
	DW_ATE_unsigned_char   = 0x08
305
	DW_ATE_imaginary_float = 0x09
306
	DW_ATE_packed_decimal  = 0x0a
307
	DW_ATE_numeric_string  = 0x0b
308
	DW_ATE_edited          = 0x0c
309
	DW_ATE_signed_fixed    = 0x0d
310
	DW_ATE_unsigned_fixed  = 0x0e
311
	DW_ATE_decimal_float   = 0x0f
312
	DW_ATE_lo_user         = 0x80
313
	DW_ATE_hi_user         = 0xff
314
)
315

316
// Table 26
317
const (
318
	DW_DS_unsigned           = 0x01
319
	DW_DS_leading_overpunch  = 0x02
320
	DW_DS_trailing_overpunch = 0x03
321
	DW_DS_leading_separate   = 0x04
322
	DW_DS_trailing_separate  = 0x05
323
)
324

325
// Table 27
326
const (
327
	DW_END_default = 0x00
328
	DW_END_big     = 0x01
329
	DW_END_little  = 0x02
330
	DW_END_lo_user = 0x40
331
	DW_END_hi_user = 0xff
332
)
333

334
// Table 28
335
const (
336
	DW_ACCESS_public    = 0x01
337
	DW_ACCESS_protected = 0x02
338
	DW_ACCESS_private   = 0x03
339
)
340

341
// Table 29
342
const (
343
	DW_VIS_local     = 0x01
344
	DW_VIS_exported  = 0x02
345
	DW_VIS_qualified = 0x03
346
)
347

348
// Table 30
349
const (
350
	DW_VIRTUALITY_none         = 0x00
351
	DW_VIRTUALITY_virtual      = 0x01
352
	DW_VIRTUALITY_pure_virtual = 0x02
353
)
354

355
// Table 31
356
const (
357
	DW_LANG_C89         = 0x0001
358
	DW_LANG_C           = 0x0002
359
	DW_LANG_Ada83       = 0x0003
360
	DW_LANG_C_plus_plus = 0x0004
361
	DW_LANG_Cobol74     = 0x0005
362
	DW_LANG_Cobol85     = 0x0006
363
	DW_LANG_Fortran77   = 0x0007
364
	DW_LANG_Fortran90   = 0x0008
365
	DW_LANG_Pascal83    = 0x0009
366
	DW_LANG_Modula2     = 0x000a
367
	// Dwarf3
368
	DW_LANG_Java           = 0x000b
369
	DW_LANG_C99            = 0x000c
370
	DW_LANG_Ada95          = 0x000d
371
	DW_LANG_Fortran95      = 0x000e
372
	DW_LANG_PLI            = 0x000f
373
	DW_LANG_ObjC           = 0x0010
374
	DW_LANG_ObjC_plus_plus = 0x0011
375
	DW_LANG_UPC            = 0x0012
376
	DW_LANG_D              = 0x0013
377
	// Dwarf4
378
	DW_LANG_Python = 0x0014
379
	// Dwarf5
380
	DW_LANG_Go = 0x0016
381

382
	DW_LANG_lo_user = 0x8000
383
	DW_LANG_hi_user = 0xffff
384
)
385

386
// Table 32
387
const (
388
	DW_ID_case_sensitive   = 0x00
389
	DW_ID_up_case          = 0x01
390
	DW_ID_down_case        = 0x02
391
	DW_ID_case_insensitive = 0x03
392
)
393

394
// Table 33
395
const (
396
	DW_CC_normal  = 0x01
397
	DW_CC_program = 0x02
398
	DW_CC_nocall  = 0x03
399
	DW_CC_lo_user = 0x40
400
	DW_CC_hi_user = 0xff
401
)
402

403
// Table 34
404
const (
405
	DW_INL_not_inlined          = 0x00
406
	DW_INL_inlined              = 0x01
407
	DW_INL_declared_not_inlined = 0x02
408
	DW_INL_declared_inlined     = 0x03
409
)
410

411
// Table 35
412
const (
413
	DW_ORD_row_major = 0x00
414
	DW_ORD_col_major = 0x01
415
)
416

417
// Table 36
418
const (
419
	DW_DSC_label = 0x00
420
	DW_DSC_range = 0x01
421
)
422

423
// Table 37
424
const (
425
	DW_LNS_copy             = 0x01
426
	DW_LNS_advance_pc       = 0x02
427
	DW_LNS_advance_line     = 0x03
428
	DW_LNS_set_file         = 0x04
429
	DW_LNS_set_column       = 0x05
430
	DW_LNS_negate_stmt      = 0x06
431
	DW_LNS_set_basic_block  = 0x07
432
	DW_LNS_const_add_pc     = 0x08
433
	DW_LNS_fixed_advance_pc = 0x09
434
	// Dwarf3
435
	DW_LNS_set_prologue_end   = 0x0a
436
	DW_LNS_set_epilogue_begin = 0x0b
437
	DW_LNS_set_isa            = 0x0c
438
)
439

440
// Table 38
441
const (
442
	DW_LNE_end_sequence = 0x01
443
	DW_LNE_set_address  = 0x02
444
	DW_LNE_define_file  = 0x03
445
	DW_LNE_lo_user      = 0x80
446
	DW_LNE_hi_user      = 0xff
447
)
448

449
// Table 39
450
const (
451
	DW_MACINFO_define     = 0x01
452
	DW_MACINFO_undef      = 0x02
453
	DW_MACINFO_start_file = 0x03
454
	DW_MACINFO_end_file   = 0x04
455
	DW_MACINFO_vendor_ext = 0xff
456
)
457

458
// Table 40.
459
const (
460
	// operand,...
461
	DW_CFA_nop              = 0x00
462
	DW_CFA_set_loc          = 0x01 // address
463
	DW_CFA_advance_loc1     = 0x02 // 1-byte delta
464
	DW_CFA_advance_loc2     = 0x03 // 2-byte delta
465
	DW_CFA_advance_loc4     = 0x04 // 4-byte delta
466
	DW_CFA_offset_extended  = 0x05 // ULEB128 register, ULEB128 offset
467
	DW_CFA_restore_extended = 0x06 // ULEB128 register
468
	DW_CFA_undefined        = 0x07 // ULEB128 register
469
	DW_CFA_same_value       = 0x08 // ULEB128 register
470
	DW_CFA_register         = 0x09 // ULEB128 register, ULEB128 register
471
	DW_CFA_remember_state   = 0x0a
472
	DW_CFA_restore_state    = 0x0b
473

474
	DW_CFA_def_cfa            = 0x0c // ULEB128 register, ULEB128 offset
475
	DW_CFA_def_cfa_register   = 0x0d // ULEB128 register
476
	DW_CFA_def_cfa_offset     = 0x0e // ULEB128 offset
477
	DW_CFA_def_cfa_expression = 0x0f // BLOCK
478
	DW_CFA_expression         = 0x10 // ULEB128 register, BLOCK
479
	DW_CFA_offset_extended_sf = 0x11 // ULEB128 register, SLEB128 offset
480
	DW_CFA_def_cfa_sf         = 0x12 // ULEB128 register, SLEB128 offset
481
	DW_CFA_def_cfa_offset_sf  = 0x13 // SLEB128 offset
482
	DW_CFA_val_offset         = 0x14 // ULEB128, ULEB128
483
	DW_CFA_val_offset_sf      = 0x15 // ULEB128, SLEB128
484
	DW_CFA_val_expression     = 0x16 // ULEB128, BLOCK
485

486
	DW_CFA_lo_user = 0x1c
487
	DW_CFA_hi_user = 0x3f
488

489
	// Opcodes that take an addend operand.
490
	DW_CFA_advance_loc = 0x1 << 6 // +delta
491
	DW_CFA_offset      = 0x2 << 6 // +register (ULEB128 offset)
492
	DW_CFA_restore     = 0x3 << 6 // +register
493
)
494