1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_LIBELFFILE_DWARF_DWARF_CONSTANTS_H_
18 #define ART_LIBELFFILE_DWARF_DWARF_CONSTANTS_H_
19 
20 namespace art {
21 namespace dwarf {
22 
23 // Based on the Dwarf 4 specification at dwarfstd.com and issues marked
24 // for inclusion in Dwarf 5 on same. Values not specified in the Dwarf 4
25 // standard might change or be removed in the future and may be different
26 // than the values used currently by other implementations for the same trait,
27 // use at your own risk.
28 
29 enum Tag {
30   DW_TAG_array_type = 0x01,
31   DW_TAG_class_type = 0x02,
32   DW_TAG_entry_point = 0x03,
33   DW_TAG_enumeration_type = 0x04,
34   DW_TAG_formal_parameter = 0x05,
35   DW_TAG_imported_declaration = 0x08,
36   DW_TAG_label = 0x0a,
37   DW_TAG_lexical_block = 0x0b,
38   DW_TAG_member = 0x0d,
39   DW_TAG_pointer_type = 0x0f,
40   DW_TAG_reference_type = 0x10,
41   DW_TAG_compile_unit = 0x11,
42   DW_TAG_string_type = 0x12,
43   DW_TAG_structure_type = 0x13,
44   DW_TAG_subroutine_type = 0x15,
45   DW_TAG_typedef = 0x16,
46   DW_TAG_union_type = 0x17,
47   DW_TAG_unspecified_parameters = 0x18,
48   DW_TAG_variant = 0x19,
49   DW_TAG_common_block = 0x1a,
50   DW_TAG_common_inclusion = 0x1b,
51   DW_TAG_inheritance = 0x1c,
52   DW_TAG_inlined_subroutine = 0x1d,
53   DW_TAG_module = 0x1e,
54   DW_TAG_ptr_to_member_type = 0x1f,
55   DW_TAG_set_type = 0x20,
56   DW_TAG_subrange_type = 0x21,
57   DW_TAG_with_stmt = 0x22,
58   DW_TAG_access_declaration = 0x23,
59   DW_TAG_base_type = 0x24,
60   DW_TAG_catch_block = 0x25,
61   DW_TAG_const_type = 0x26,
62   DW_TAG_constant = 0x27,
63   DW_TAG_enumerator = 0x28,
64   DW_TAG_file_type = 0x29,
65   DW_TAG_friend = 0x2a,
66   DW_TAG_namelist = 0x2b,
67   DW_TAG_namelist_item = 0x2c,
68   DW_TAG_packed_type = 0x2d,
69   DW_TAG_subprogram = 0x2e,
70   DW_TAG_template_type_parameter = 0x2f,
71   DW_TAG_template_value_parameter = 0x30,
72   DW_TAG_thrown_type = 0x31,
73   DW_TAG_try_block = 0x32,
74   DW_TAG_variant_part = 0x33,
75   DW_TAG_variable = 0x34,
76   DW_TAG_volatile_type = 0x35,
77   DW_TAG_dwarf_procedure = 0x36,
78   DW_TAG_restrict_type = 0x37,
79   DW_TAG_interface_type = 0x38,
80   DW_TAG_namespace = 0x39,
81   DW_TAG_imported_module = 0x3a,
82   DW_TAG_unspecified_type = 0x3b,
83   DW_TAG_partial_unit = 0x3c,
84   DW_TAG_imported_unit = 0x3d,
85   DW_TAG_condition = 0x3f,
86   DW_TAG_shared_type = 0x40,
87   DW_TAG_type_unit = 0x41,
88   DW_TAG_rvalue_reference_type = 0x42,
89   DW_TAG_template_alias = 0x43,
90 #ifdef INCLUDE_DWARF5_VALUES
91   // Values to be added in Dwarf 5. Final value not yet specified. Values listed
92   // may be different than other implementations. Use with caution.
93   // TODO Update these values when Dwarf 5 is released.
94   DW_TAG_coarray_type = 0x44,
95   DW_TAG_call_site = 0x45,
96   DW_TAG_call_site_parameter = 0x46,
97   DW_TAG_generic_subrange = 0x47,
98   DW_TAG_atomic_type = 0x48,
99   DW_TAG_dynamic_type = 0x49,
100   DW_TAG_aligned_type = 0x50,
101 #endif
102   DW_TAG_lo_user = 0x4080,
103   DW_TAG_hi_user = 0xffff
104 };
105 
106 enum Children : uint8_t {
107   DW_CHILDREN_no = 0x00,
108   DW_CHILDREN_yes = 0x01
109 };
110 
111 enum Attribute {
112   DW_AT_sibling = 0x01,
113   DW_AT_location = 0x02,
114   DW_AT_name = 0x03,
115   DW_AT_ordering = 0x09,
116   DW_AT_byte_size = 0x0b,
117   DW_AT_bit_offset = 0x0c,
118   DW_AT_bit_size = 0x0d,
119   DW_AT_stmt_list = 0x10,
120   DW_AT_low_pc = 0x11,
121   DW_AT_high_pc = 0x12,
122   DW_AT_language = 0x13,
123   DW_AT_discr = 0x15,
124   DW_AT_discr_value = 0x16,
125   DW_AT_visibility = 0x17,
126   DW_AT_import = 0x18,
127   DW_AT_string_length = 0x19,
128   DW_AT_common_reference = 0x1a,
129   DW_AT_comp_dir = 0x1b,
130   DW_AT_const_value = 0x1c,
131   DW_AT_containing_type = 0x1d,
132   DW_AT_default_value = 0x1e,
133   DW_AT_inline = 0x20,
134   DW_AT_is_optional = 0x21,
135   DW_AT_lower_bound = 0x22,
136   DW_AT_producer = 0x25,
137   DW_AT_prototyped = 0x27,
138   DW_AT_return_addr = 0x2a,
139   DW_AT_start_scope = 0x2c,
140   DW_AT_bit_stride = 0x2e,
141   DW_AT_upper_bound = 0x2f,
142   DW_AT_abstract_origin = 0x31,
143   DW_AT_accessibility = 0x32,
144   DW_AT_address_class = 0x33,
145   DW_AT_artificial = 0x34,
146   DW_AT_base_types = 0x35,
147   DW_AT_calling_convention = 0x36,
148   DW_AT_count = 0x37,
149   DW_AT_data_member_location = 0x38,
150   DW_AT_decl_column = 0x39,
151   DW_AT_decl_file = 0x3a,
152   DW_AT_decl_line = 0x3b,
153   DW_AT_declaration = 0x3c,
154   DW_AT_discr_list = 0x3d,
155   DW_AT_encoding = 0x3e,
156   DW_AT_external = 0x3f,
157   DW_AT_frame_base = 0x40,
158   DW_AT_friend = 0x41,
159   DW_AT_identifier_case = 0x42,
160   DW_AT_macro_info = 0x43,
161   DW_AT_namelist_item = 0x44,
162   DW_AT_priority = 0x45,
163   DW_AT_segment = 0x46,
164   DW_AT_specification = 0x47,
165   DW_AT_static_link = 0x48,
166   DW_AT_type = 0x49,
167   DW_AT_use_location = 0x4a,
168   DW_AT_variable_parameter = 0x4b,
169   DW_AT_virtuality = 0x4c,
170   DW_AT_vtable_elem_location = 0x4d,
171   DW_AT_allocated = 0x4e,
172   DW_AT_associated = 0x4f,
173   DW_AT_data_location = 0x50,
174   DW_AT_byte_stride = 0x51,
175   DW_AT_entry_pc = 0x52,
176   DW_AT_use_UTF8 = 0x53,
177   DW_AT_extension = 0x54,
178   DW_AT_ranges = 0x55,
179   DW_AT_trampoline = 0x56,
180   DW_AT_call_column = 0x57,
181   DW_AT_call_file = 0x58,
182   DW_AT_call_line = 0x59,
183   DW_AT_description = 0x5a,
184   DW_AT_binary_scale = 0x5b,
185   DW_AT_decimal_scale = 0x5c,
186   DW_AT_small = 0x5d,
187   DW_AT_decimal_sign = 0x5e,
188   DW_AT_digit_count = 0x5f,
189   DW_AT_picture_string = 0x60,
190   DW_AT_mutable = 0x61,
191   DW_AT_threads_scaled = 0x62,
192   DW_AT_explicit = 0x63,
193   DW_AT_object_pointer = 0x64,
194   DW_AT_endianity = 0x65,
195   DW_AT_elemental = 0x66,
196   DW_AT_pure = 0x67,
197   DW_AT_recursive = 0x68,
198   DW_AT_signature = 0x69,
199   DW_AT_main_subprogram = 0x6a,
200   DW_AT_data_bit_offset = 0x6b,
201   DW_AT_const_expr = 0x6c,
202   DW_AT_enum_class = 0x6d,
203   DW_AT_linkage_name = 0x6e,
204 #ifdef INCLUDE_DWARF5_VALUES
205   // Values to be added in Dwarf 5. Final value not yet specified. Values listed
206   // may be different than other implementations. Use with caution.
207   // TODO Update these values when Dwarf 5 is released.
208   DW_AT_call_site_value = 0x6f,
209   DW_AT_call_site_data_value = 0x70,
210   DW_AT_call_site_target = 0x71,
211   DW_AT_call_site_target_clobbered = 0x72,
212   DW_AT_tail_call = 0x73,
213   DW_AT_all_tail_call_sites = 0x74,
214   DW_AT_all_call_sites = 0x75,
215   DW_AT_all_source_call_sites = 0x76,
216   DW_AT_call_site_parameter = 0x77,
217   DW_AT_tail_call = 0x78,
218   DW_AT_all_tail_call_sites = 0x79,
219   DW_AT_all_call_sites = 0x7a,
220   DW_AT_all_source_call_sites = 0x7b,
221   DW_AT_rank = 0x7c,
222   DW_AT_string_bitsize = 0x7d,
223   DW_AT_string_byte_size = 0x7e,
224   DW_AT_reference = 0x7f,
225   DW_AT_rvalue_reference = 0x80,
226   DW_AT_noreturn = 0x81,
227   DW_AT_alignment = 0x82,
228 #endif
229   DW_AT_lo_user = 0x2000,
230   DW_AT_hi_user = 0xffff
231 };
232 
233 enum Form : uint8_t {
234   DW_FORM_addr = 0x01,
235   DW_FORM_block2 = 0x03,
236   DW_FORM_block4 = 0x04,
237   DW_FORM_data2 = 0x05,
238   DW_FORM_data4 = 0x06,
239   DW_FORM_data8 = 0x07,
240   DW_FORM_string = 0x08,
241   DW_FORM_block = 0x09,
242   DW_FORM_block1 = 0x0a,
243   DW_FORM_data1 = 0x0b,
244   DW_FORM_flag = 0x0c,
245   DW_FORM_sdata = 0x0d,
246   DW_FORM_strp = 0x0e,
247   DW_FORM_udata = 0x0f,
248   DW_FORM_ref_addr = 0x10,
249   DW_FORM_ref1 = 0x11,
250   DW_FORM_ref2 = 0x12,
251   DW_FORM_ref4 = 0x13,
252   DW_FORM_ref8 = 0x14,
253   DW_FORM_ref_udata = 0x15,
254   DW_FORM_indirect = 0x16,
255   DW_FORM_sec_offset = 0x17,
256   DW_FORM_exprloc = 0x18,
257   DW_FORM_flag_present = 0x19,
258   DW_FORM_ref_sig8 = 0x20
259 };
260 
261 enum Operation : uint16_t {
262   DW_OP_addr = 0x03,
263   DW_OP_deref = 0x06,
264   DW_OP_const1u = 0x08,
265   DW_OP_const1s = 0x09,
266   DW_OP_const2u = 0x0a,
267   DW_OP_const2s = 0x0b,
268   DW_OP_const4u = 0x0c,
269   DW_OP_const4s = 0x0d,
270   DW_OP_const8u = 0x0e,
271   DW_OP_const8s = 0x0f,
272   DW_OP_constu = 0x10,
273   DW_OP_consts = 0x11,
274   DW_OP_dup = 0x12,
275   DW_OP_drop = 0x13,
276   DW_OP_over = 0x14,
277   DW_OP_pick = 0x15,
278   DW_OP_swap = 0x16,
279   DW_OP_rot = 0x17,
280   DW_OP_xderef = 0x18,
281   DW_OP_abs = 0x19,
282   DW_OP_and = 0x1a,
283   DW_OP_div = 0x1b,
284   DW_OP_minus = 0x1c,
285   DW_OP_mod = 0x1d,
286   DW_OP_mul = 0x1e,
287   DW_OP_neg = 0x1f,
288   DW_OP_not = 0x20,
289   DW_OP_or = 0x21,
290   DW_OP_plus = 0x22,
291   DW_OP_plus_uconst = 0x23,
292   DW_OP_shl = 0x24,
293   DW_OP_shr = 0x25,
294   DW_OP_shra = 0x26,
295   DW_OP_xor = 0x27,
296   DW_OP_skip = 0x2f,
297   DW_OP_bra = 0x28,
298   DW_OP_eq = 0x29,
299   DW_OP_ge = 0x2a,
300   DW_OP_gt = 0x2b,
301   DW_OP_le = 0x2c,
302   DW_OP_lt = 0x2d,
303   DW_OP_ne = 0x2e,
304   DW_OP_lit0 = 0x30,
305   DW_OP_lit1 = 0x31,
306   DW_OP_lit2 = 0x32,
307   DW_OP_lit3 = 0x33,
308   DW_OP_lit4 = 0x34,
309   DW_OP_lit5 = 0x35,
310   DW_OP_lit6 = 0x36,
311   DW_OP_lit7 = 0x37,
312   DW_OP_lit8 = 0x38,
313   DW_OP_lit9 = 0x39,
314   DW_OP_lit10 = 0x3a,
315   DW_OP_lit11 = 0x3b,
316   DW_OP_lit12 = 0x3c,
317   DW_OP_lit13 = 0x3d,
318   DW_OP_lit14 = 0x3e,
319   DW_OP_lit15 = 0x3f,
320   DW_OP_lit16 = 0x40,
321   DW_OP_lit17 = 0x41,
322   DW_OP_lit18 = 0x42,
323   DW_OP_lit19 = 0x43,
324   DW_OP_lit20 = 0x44,
325   DW_OP_lit21 = 0x45,
326   DW_OP_lit22 = 0x46,
327   DW_OP_lit23 = 0x47,
328   DW_OP_lit24 = 0x48,
329   DW_OP_lit25 = 0x49,
330   DW_OP_lit26 = 0x4a,
331   DW_OP_lit27 = 0x4b,
332   DW_OP_lit28 = 0x4c,
333   DW_OP_lit29 = 0x4d,
334   DW_OP_lit30 = 0x4e,
335   DW_OP_lit31 = 0x4f,
336   DW_OP_reg0 = 0x50,
337   DW_OP_reg1 = 0x51,
338   DW_OP_reg2 = 0x52,
339   DW_OP_reg3 = 0x53,
340   DW_OP_reg4 = 0x54,
341   DW_OP_reg5 = 0x55,
342   DW_OP_reg6 = 0x56,
343   DW_OP_reg7 = 0x57,
344   DW_OP_reg8 = 0x58,
345   DW_OP_reg9 = 0x59,
346   DW_OP_reg10 = 0x5a,
347   DW_OP_reg11 = 0x5b,
348   DW_OP_reg12 = 0x5c,
349   DW_OP_reg13 = 0x5d,
350   DW_OP_reg14 = 0x5e,
351   DW_OP_reg15 = 0x5f,
352   DW_OP_reg16 = 0x60,
353   DW_OP_reg17 = 0x61,
354   DW_OP_reg18 = 0x62,
355   DW_OP_reg19 = 0x63,
356   DW_OP_reg20 = 0x64,
357   DW_OP_reg21 = 0x65,
358   DW_OP_reg22 = 0x66,
359   DW_OP_reg23 = 0x67,
360   DW_OP_reg24 = 0x68,
361   DW_OP_reg25 = 0x69,
362   DW_OP_reg26 = 0x6a,
363   DW_OP_reg27 = 0x6b,
364   DW_OP_reg28 = 0x6c,
365   DW_OP_reg29 = 0x6d,
366   DW_OP_reg30 = 0x6e,
367   DW_OP_reg31 = 0x6f,
368   DW_OP_breg0 = 0x70,
369   DW_OP_breg1 = 0x71,
370   DW_OP_breg2 = 0x72,
371   DW_OP_breg3 = 0x73,
372   DW_OP_breg4 = 0x74,
373   DW_OP_breg5 = 0x75,
374   DW_OP_breg6 = 0x76,
375   DW_OP_breg7 = 0x77,
376   DW_OP_breg8 = 0x78,
377   DW_OP_breg9 = 0x79,
378   DW_OP_breg10 = 0x7a,
379   DW_OP_breg11 = 0x7b,
380   DW_OP_breg12 = 0x7c,
381   DW_OP_breg13 = 0x7d,
382   DW_OP_breg14 = 0x7e,
383   DW_OP_breg15 = 0x7f,
384   DW_OP_breg16 = 0x80,
385   DW_OP_breg17 = 0x81,
386   DW_OP_breg18 = 0x82,
387   DW_OP_breg19 = 0x83,
388   DW_OP_breg20 = 0x84,
389   DW_OP_breg21 = 0x85,
390   DW_OP_breg22 = 0x86,
391   DW_OP_breg23 = 0x87,
392   DW_OP_breg24 = 0x88,
393   DW_OP_breg25 = 0x89,
394   DW_OP_breg26 = 0x8a,
395   DW_OP_breg27 = 0x8b,
396   DW_OP_breg28 = 0x8c,
397   DW_OP_breg29 = 0x8d,
398   DW_OP_breg30 = 0x8e,
399   DW_OP_breg31 = 0x8f,
400   DW_OP_regx = 0x90,
401   DW_OP_fbreg = 0x91,
402   DW_OP_bregx = 0x92,
403   DW_OP_piece = 0x93,
404   DW_OP_deref_size = 0x94,
405   DW_OP_xderef_size = 0x95,
406   DW_OP_nop = 0x96,
407   DW_OP_push_object_address = 0x97,
408   DW_OP_call2 = 0x98,
409   DW_OP_call4 = 0x99,
410   DW_OP_call_ref = 0x9a,
411   DW_OP_form_tls_address = 0x9b,
412   DW_OP_call_frame_cfa = 0x9c,
413   DW_OP_bit_piece = 0x9d,
414   DW_OP_implicit_value = 0x9e,
415   DW_OP_stack_value = 0x9f,
416 #ifdef INCLUDE_DWARF5_VALUES
417   // Values to be added in Dwarf 5. Final value not yet specified. Values listed
418   // may be different than other implementations. Use with caution.
419   // TODO Update these values when Dwarf 5 is released.
420   DW_OP_entry_value = 0xa0,
421   DW_OP_const_type = 0xa1,
422   DW_OP_regval_type = 0xa2,
423   DW_OP_deref_type = 0xa3,
424   DW_OP_xderef_type = 0xa4,
425   DW_OP_convert = 0xa5,
426   DW_OP_reinterpret = 0xa6,
427 #endif
428   DW_OP_lo_user = 0xe0,
429   DW_OP_hi_user = 0xff
430 };
431 
432 enum BaseTypeEncoding : uint8_t {
433   DW_ATE_address = 0x01,
434   DW_ATE_boolean = 0x02,
435   DW_ATE_complex_float = 0x03,
436   DW_ATE_float = 0x04,
437   DW_ATE_signed = 0x05,
438   DW_ATE_signed_char = 0x06,
439   DW_ATE_unsigned = 0x07,
440   DW_ATE_unsigned_char = 0x08,
441   DW_ATE_imaginary_float = 0x09,
442   DW_ATE_packed_decimal = 0x0a,
443   DW_ATE_numeric_string = 0x0b,
444   DW_ATE_edited = 0x0c,
445   DW_ATE_signed_fixed = 0x0d,
446   DW_ATE_unsigned_fixed = 0x0e,
447   DW_ATE_decimal_float = 0x0f,
448   DW_ATE_UTF = 0x10,
449   DW_ATE_lo_user = 0x80,
450   DW_ATE_hi_user = 0xff
451 };
452 
453 enum DecimalSign : uint8_t {
454   DW_DS_unsigned = 0x01,
455   DW_DS_leading_overpunch = 0x02,
456   DW_DS_trailing_overpunch = 0x03,
457   DW_DS_leading_separate = 0x04,
458   DW_DS_trailing_separate = 0x05
459 };
460 
461 enum Endianity : uint8_t {
462   DW_END_default = 0x00,
463   DW_END_big = 0x01,
464   DW_END_little = 0x02,
465   DW_END_lo_user = 0x40,
466   DW_END_hi_user = 0xff
467 };
468 
469 enum Accessibility : uint8_t {
470   DW_ACCESS_public = 0x01,
471   DW_ACCESS_protected = 0x02,
472   DW_ACCESS_private = 0x03
473 };
474 
475 enum Visibility : uint8_t {
476   DW_VIS_local = 0x01,
477   DW_VIS_exported = 0x02,
478   DW_VIS_qualified = 0x03
479 };
480 
481 enum Virtuality : uint8_t {
482   DW_VIRTUALITY_none = 0x00,
483   DW_VIRTUALITY_virtual = 0x01,
484   DW_VIRTUALITY_pure_virtual = 0x02
485 };
486 
487 enum Language {
488   DW_LANG_C89 = 0x01,
489   DW_LANG_C = 0x02,
490   DW_LANG_Ada83 = 0x03,
491   DW_LANG_C_plus_plus = 0x04,
492   DW_LANG_Cobol74 = 0x05,
493   DW_LANG_Cobol85 = 0x06,
494   DW_LANG_Fortran77 = 0x07,
495   DW_LANG_Fortran90 = 0x08,
496   DW_LANG_Pascal83 = 0x09,
497   DW_LANG_Modula2 = 0x0a,
498   DW_LANG_Java = 0x0b,
499   DW_LANG_C99 = 0x0c,
500   DW_LANG_Ada95 = 0x0d,
501   DW_LANG_Fortran95 = 0x0e,
502   DW_LANG_PLI = 0x0f,
503   DW_LANG_ObjC = 0x10,
504   DW_LANG_ObjC_plus_plus = 0x11,
505   DW_LANG_UPC = 0x12,
506   DW_LANG_D = 0x13,
507   DW_LANG_Python = 0x14,
508 #ifdef INCLUDE_DWARF5_VALUES
509   // Values to be added in Dwarf 5. Final value not yet specified. Values listed
510   // may be different than other implementations. Use with caution.
511   // TODO Update these values when Dwarf 5 is released.
512   DW_LANG_OpenCL = 0x15,
513   DW_LANG_Go = 0x16,
514   DW_LANG_Modula3 = 0x17,
515   DW_LANG_Haskell = 0x18,
516   DW_LANG_C_plus_plus_03 = 0x19,
517   DW_LANG_C_plus_plus_11 = 0x1a,
518   DW_LANG_OCaml = 0x1b,
519   DW_LANG_Rust = 0x1c,
520   DW_LANG_C11 = 0x1d,
521   DW_LANG_Swift = 0x1e,
522   DW_LANG_Julia = 0x1f,
523 #endif
524   DW_LANG_lo_user = 0x8000,
525   DW_LANG_hi_user = 0xffff
526 };
527 
528 enum Identifier : uint8_t {
529   DW_ID_case_sensitive = 0x00,
530   DW_ID_up_case = 0x01,
531   DW_ID_down_case = 0x02,
532   DW_ID_case_insensitive = 0x03
533 };
534 
535 enum CallingConvention : uint8_t {
536   DW_CC_normal = 0x01,
537   DW_CC_program = 0x02,
538   DW_CC_nocall = 0x03,
539   DW_CC_lo_user = 0x40,
540   DW_CC_hi_user = 0xff
541 };
542 
543 enum Inline : uint8_t {
544   DW_INL_not_inlined = 0x00,
545   DW_INL_inlined = 0x01,
546   DW_INL_declared_not_inlined = 0x02,
547   DW_INL_declared_inlined = 0x03
548 };
549 
550 enum ArrayOrdering : uint8_t {
551   DW_ORD_row_major = 0x00,
552   DW_ORD_col_major = 0x01
553 };
554 
555 enum DiscriminantList : uint8_t {
556   DW_DSC_label = 0x00,
557   DW_DSC_range = 0x01
558 };
559 
560 enum LineNumberOpcode : uint8_t {
561   DW_LNS_copy = 0x01,
562   DW_LNS_advance_pc = 0x02,
563   DW_LNS_advance_line = 0x03,
564   DW_LNS_set_file = 0x04,
565   DW_LNS_set_column = 0x05,
566   DW_LNS_negate_stmt = 0x06,
567   DW_LNS_set_basic_block = 0x07,
568   DW_LNS_const_add_pc = 0x08,
569   DW_LNS_fixed_advance_pc = 0x09,
570   DW_LNS_set_prologue_end = 0x0a,
571   DW_LNS_set_epilogue_begin = 0x0b,
572   DW_LNS_set_isa = 0x0c
573 };
574 
575 enum LineNumberExtendedOpcode : uint8_t {
576   DW_LNE_end_sequence = 0x01,
577   DW_LNE_set_address = 0x02,
578   DW_LNE_define_file = 0x03,
579   DW_LNE_set_discriminator = 0x04,
580   DW_LNE_lo_user = 0x80,
581   DW_LNE_hi_user = 0xff
582 };
583 
584 #ifdef INCLUDE_DWARF5_VALUES
585 enum LineNumberFormat : uint8_t {
586   // Values to be added in Dwarf 5. Final value not yet specified. Values listed
587   // may be different than other implementations. Use with caution.
588   // TODO Update these values when Dwarf 5 is released.
589   //
590   DW_LNF_path = 0x1,
591   DW_LNF_include_index = 0x2,
592   DW_LNF_timestamp = 0x3,
593   DW_LNF_size = 0x4,
594   DW_LNF_MD5 = 0x5,
595   DW_LNF_lo_user = 0x2000,
596   DW_LNF_hi_user = 0x3fff
597 };
598 #endif
599 
600 enum MacroInfo : uint8_t {
601   DW_MACINFO_define = 0x01,
602   DW_MACINFO_undef = 0x02,
603   DW_MACINFO_start_file = 0x03,
604   DW_MACINFO_end_file = 0x04,
605   DW_MACINFO_vendor_ext = 0xff
606 };
607 
608 #ifdef INCLUDE_DWARF5_VALUES
609 enum Macro : uint8_t {
610   // Values to be added in Dwarf 5. Final value not yet specified. Values listed
611   // may be different than other implementations. Use with caution.
612   // TODO Update these values when Dwarf 5 is released.
613   DW_MACRO_define = 0x01,
614   DW_MACRO_undef = 0x02,
615   DW_MACRO_start_file = 0x03,
616   DW_MACRO_end_file = 0x04,
617   DW_MACRO_define_indirect = 0x05,
618   DW_MACRO_undef_indirect = 0x06,
619   DW_MACRO_transparent_include = 0x07,
620   DW_MACRO_define_indirectx = 0x0b,
621   DW_MACRO_undef_indirectx = 0x0c,
622   DW_MACRO_lo_user = 0xe0,
623   DW_MACRO_hi_user = 0xff
624 };
625 #endif
626 
627 const uint32_t CIE_ID_32 = 0xffffffff;
628 const uint64_t CIE_ID_64 = 0xffffffffffffffff;
629 
630 enum CallFrameInstruction : uint8_t {
631   DW_CFA_advance_loc = 0x40,
632   DW_CFA_offset = 0x80,
633   DW_CFA_restore = 0xc0,
634   DW_CFA_nop = 0x00,
635   DW_CFA_set_loc = 0x01,
636   DW_CFA_advance_loc1 = 0x02,
637   DW_CFA_advance_loc2 = 0x03,
638   DW_CFA_advance_loc4 = 0x04,
639   DW_CFA_offset_extended = 0x05,
640   DW_CFA_restore_extended = 0x06,
641   DW_CFA_undefined = 0x07,
642   DW_CFA_same_value = 0x08,
643   DW_CFA_register = 0x09,
644   DW_CFA_remember_state = 0x0a,
645   DW_CFA_restore_state = 0x0b,
646   DW_CFA_def_cfa = 0x0c,
647   DW_CFA_def_cfa_register = 0x0d,
648   DW_CFA_def_cfa_offset = 0x0e,
649   DW_CFA_def_cfa_expression = 0x0f,
650   DW_CFA_expression = 0x10,
651   DW_CFA_offset_extended_sf = 0x11,
652   DW_CFA_def_cfa_sf = 0x12,
653   DW_CFA_def_cfa_offset_sf = 0x13,
654   DW_CFA_val_offset = 0x14,
655   DW_CFA_val_offset_sf = 0x15,
656   DW_CFA_val_expression = 0x16,
657   DW_CFA_lo_user = 0x1c,
658   DW_CFA_hi_user = 0x3f
659 };
660 
661 enum ExceptionHeaderValueFormat : uint8_t  {
662   DW_EH_PE_native = 0x00,
663   DW_EH_PE_uleb128 = 0x01,
664   DW_EH_PE_udata2 = 0x02,
665   DW_EH_PE_udata4 = 0x03,
666   DW_EH_PE_udata8 = 0x04,
667   DW_EH_PE_sleb128 = 0x09,
668   DW_EH_PE_sdata2 = 0x0A,
669   DW_EH_PE_sdata4 = 0x0B,
670   DW_EH_PE_sdata8 = 0x0C,
671   DW_EH_PE_omit = 0xFF,
672 };
673 
674 enum ExceptionHeaderValueApplication : uint8_t {
675   DW_EH_PE_absptr = 0x00,
676   DW_EH_PE_pcrel = 0x10,
677   DW_EH_PE_textrel = 0x20,
678   DW_EH_PE_datarel = 0x30,
679   DW_EH_PE_funcrel = 0x40,
680   DW_EH_PE_aligned = 0x50,
681 };
682 
683 }  // namespace dwarf
684 }  // namespace art
685 
686 #endif  // ART_LIBELFFILE_DWARF_DWARF_CONSTANTS_H_
687