1 //===-- llvm/Support/Dwarf.h ---Dwarf Constants------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains constants used for implementing Dwarf debug support. For
11 // Details on the Dwarf 3 specfication see DWARF Debugging Information Format
12 // V.3 reference manual http://dwarf.freestandards.org ,
14 //===----------------------------------------------------------------------===//
16 #ifndef LLVM_SUPPORT_DWARF_H
17 #define LLVM_SUPPORT_DWARF_H
19 #include "llvm/Support/DataTypes.h"
20 #include "llvm/ADT/StringRef.h"
24 //===----------------------------------------------------------------------===//
25 // Debug info constants.
28 LLVMDebugVersion = (12 << 16), // Current version of debug information.
29 LLVMDebugVersion11 = (11 << 16), // Constant for version 11.
30 LLVMDebugVersion10 = (10 << 16), // Constant for version 10.
31 LLVMDebugVersion9 = (9 << 16), // Constant for version 9.
32 LLVMDebugVersion8 = (8 << 16), // Constant for version 8.
33 LLVMDebugVersion7 = (7 << 16), // Constant for version 7.
34 LLVMDebugVersion6 = (6 << 16), // Constant for version 6.
35 LLVMDebugVersion5 = (5 << 16), // Constant for version 5.
36 LLVMDebugVersion4 = (4 << 16), // Constant for version 4.
37 LLVMDebugVersionMask = 0xffff0000 // Mask for version number.
42 //===----------------------------------------------------------------------===//
43 // Dwarf constants as gleaned from the DWARF Debugging Information Format V.4
44 // reference manual http://dwarf.freestandards.org.
47 // Do not mix the following two enumerations sets. DW_TAG_invalid changes the
48 // enumeration base type.
52 DW_TAG_invalid = ~0U, // Tag for invalid results.
54 DW_TAG_auto_variable = 0x100, // Tag for local (auto) variables.
55 DW_TAG_arg_variable = 0x101, // Tag for argument variables.
57 DW_TAG_user_base = 0x1000, // Recommended base for user tags.
59 DWARF_VERSION = 4, // Default dwarf version we output.
60 DW_CIE_VERSION = 1, // Common frame information version.
61 DW_PUBTYPES_VERSION = 2, // Section version number for .debug_pubtypes.
62 DW_PUBNAMES_VERSION = 2 // Section version number for .debug_pubnames.
65 // Special ID values that distinguish a CIE from a FDE in DWARF CFI.
66 // Not inside an enum because a 64-bit value is needed.
67 const uint32_t DW_CIE_ID = UINT32_MAX;
68 const uint64_t DW64_CIE_ID = UINT64_MAX;
72 DW_TAG_array_type = 0x01,
73 DW_TAG_class_type = 0x02,
74 DW_TAG_entry_point = 0x03,
75 DW_TAG_enumeration_type = 0x04,
76 DW_TAG_formal_parameter = 0x05,
77 DW_TAG_imported_declaration = 0x08,
79 DW_TAG_lexical_block = 0x0b,
81 DW_TAG_pointer_type = 0x0f,
82 DW_TAG_reference_type = 0x10,
83 DW_TAG_compile_unit = 0x11,
84 DW_TAG_string_type = 0x12,
85 DW_TAG_structure_type = 0x13,
86 DW_TAG_subroutine_type = 0x15,
87 DW_TAG_typedef = 0x16,
88 DW_TAG_union_type = 0x17,
89 DW_TAG_unspecified_parameters = 0x18,
90 DW_TAG_variant = 0x19,
91 DW_TAG_common_block = 0x1a,
92 DW_TAG_common_inclusion = 0x1b,
93 DW_TAG_inheritance = 0x1c,
94 DW_TAG_inlined_subroutine = 0x1d,
96 DW_TAG_ptr_to_member_type = 0x1f,
97 DW_TAG_set_type = 0x20,
98 DW_TAG_subrange_type = 0x21,
99 DW_TAG_with_stmt = 0x22,
100 DW_TAG_access_declaration = 0x23,
101 DW_TAG_base_type = 0x24,
102 DW_TAG_catch_block = 0x25,
103 DW_TAG_const_type = 0x26,
104 DW_TAG_constant = 0x27,
105 DW_TAG_enumerator = 0x28,
106 DW_TAG_file_type = 0x29,
107 DW_TAG_friend = 0x2a,
108 DW_TAG_namelist = 0x2b,
109 DW_TAG_namelist_item = 0x2c,
110 DW_TAG_packed_type = 0x2d,
111 DW_TAG_subprogram = 0x2e,
112 DW_TAG_template_type_parameter = 0x2f,
113 DW_TAG_template_value_parameter = 0x30,
114 DW_TAG_thrown_type = 0x31,
115 DW_TAG_try_block = 0x32,
116 DW_TAG_variant_part = 0x33,
117 DW_TAG_variable = 0x34,
118 DW_TAG_volatile_type = 0x35,
119 DW_TAG_dwarf_procedure = 0x36,
120 DW_TAG_restrict_type = 0x37,
121 DW_TAG_interface_type = 0x38,
122 DW_TAG_namespace = 0x39,
123 DW_TAG_imported_module = 0x3a,
124 DW_TAG_unspecified_type = 0x3b,
125 DW_TAG_partial_unit = 0x3c,
126 DW_TAG_imported_unit = 0x3d,
127 DW_TAG_condition = 0x3f,
128 DW_TAG_shared_type = 0x40,
129 DW_TAG_type_unit = 0x41,
130 DW_TAG_rvalue_reference_type = 0x42,
131 DW_TAG_template_alias = 0x43,
132 DW_TAG_MIPS_loop = 0x4081,
133 DW_TAG_format_label = 0x4101,
134 DW_TAG_function_template = 0x4102,
135 DW_TAG_class_template = 0x4103,
136 DW_TAG_GNU_template_template_param = 0x4106,
137 DW_TAG_GNU_template_parameter_pack = 0x4107,
138 DW_TAG_GNU_formal_parameter_pack = 0x4108,
139 DW_TAG_lo_user = 0x4080,
140 DW_TAG_APPLE_property = 0x4200,
141 DW_TAG_hi_user = 0xffff,
144 DW_CHILDREN_no = 0x00,
145 DW_CHILDREN_yes = 0x01,
148 DW_AT_sibling = 0x01,
149 DW_AT_location = 0x02,
151 DW_AT_ordering = 0x09,
152 DW_AT_byte_size = 0x0b,
153 DW_AT_bit_offset = 0x0c,
154 DW_AT_bit_size = 0x0d,
155 DW_AT_stmt_list = 0x10,
157 DW_AT_high_pc = 0x12,
158 DW_AT_language = 0x13,
160 DW_AT_discr_value = 0x16,
161 DW_AT_visibility = 0x17,
163 DW_AT_string_length = 0x19,
164 DW_AT_common_reference = 0x1a,
165 DW_AT_comp_dir = 0x1b,
166 DW_AT_const_value = 0x1c,
167 DW_AT_containing_type = 0x1d,
168 DW_AT_default_value = 0x1e,
170 DW_AT_is_optional = 0x21,
171 DW_AT_lower_bound = 0x22,
172 DW_AT_producer = 0x25,
173 DW_AT_prototyped = 0x27,
174 DW_AT_return_addr = 0x2a,
175 DW_AT_start_scope = 0x2c,
176 DW_AT_bit_stride = 0x2e,
177 DW_AT_upper_bound = 0x2f,
178 DW_AT_abstract_origin = 0x31,
179 DW_AT_accessibility = 0x32,
180 DW_AT_address_class = 0x33,
181 DW_AT_artificial = 0x34,
182 DW_AT_base_types = 0x35,
183 DW_AT_calling_convention = 0x36,
185 DW_AT_data_member_location = 0x38,
186 DW_AT_decl_column = 0x39,
187 DW_AT_decl_file = 0x3a,
188 DW_AT_decl_line = 0x3b,
189 DW_AT_declaration = 0x3c,
190 DW_AT_discr_list = 0x3d,
191 DW_AT_encoding = 0x3e,
192 DW_AT_external = 0x3f,
193 DW_AT_frame_base = 0x40,
195 DW_AT_identifier_case = 0x42,
196 DW_AT_macro_info = 0x43,
197 DW_AT_namelist_item = 0x44,
198 DW_AT_priority = 0x45,
199 DW_AT_segment = 0x46,
200 DW_AT_specification = 0x47,
201 DW_AT_static_link = 0x48,
203 DW_AT_use_location = 0x4a,
204 DW_AT_variable_parameter = 0x4b,
205 DW_AT_virtuality = 0x4c,
206 DW_AT_vtable_elem_location = 0x4d,
207 DW_AT_allocated = 0x4e,
208 DW_AT_associated = 0x4f,
209 DW_AT_data_location = 0x50,
210 DW_AT_byte_stride = 0x51,
211 DW_AT_entry_pc = 0x52,
212 DW_AT_use_UTF8 = 0x53,
213 DW_AT_extension = 0x54,
215 DW_AT_trampoline = 0x56,
216 DW_AT_call_column = 0x57,
217 DW_AT_call_file = 0x58,
218 DW_AT_call_line = 0x59,
219 DW_AT_description = 0x5a,
220 DW_AT_binary_scale = 0x5b,
221 DW_AT_decimal_scale = 0x5c,
223 DW_AT_decimal_sign = 0x5e,
224 DW_AT_digit_count = 0x5f,
225 DW_AT_picture_string = 0x60,
226 DW_AT_mutable = 0x61,
227 DW_AT_threads_scaled = 0x62,
228 DW_AT_explicit = 0x63,
229 DW_AT_object_pointer = 0x64,
230 DW_AT_endianity = 0x65,
231 DW_AT_elemental = 0x66,
233 DW_AT_recursive = 0x68,
234 DW_AT_signature = 0x69,
235 DW_AT_main_subprogram = 0x6a,
236 DW_AT_data_bit_offset = 0x6b,
237 DW_AT_const_expr = 0x6c,
238 DW_AT_enum_class = 0x6d,
239 DW_AT_linkage_name = 0x6e,
241 DW_AT_lo_user = 0x2000,
242 DW_AT_hi_user = 0x3fff,
244 DW_AT_MIPS_loop_begin = 0x2002,
245 DW_AT_MIPS_tail_loop_begin = 0x2003,
246 DW_AT_MIPS_epilog_begin = 0x2004,
247 DW_AT_MIPS_loop_unroll_factor = 0x2005,
248 DW_AT_MIPS_software_pipeline_depth = 0x2006,
249 DW_AT_MIPS_linkage_name = 0x2007,
250 DW_AT_MIPS_stride = 0x2008,
251 DW_AT_MIPS_abstract_name = 0x2009,
252 DW_AT_MIPS_clone_origin = 0x200a,
253 DW_AT_MIPS_has_inlines = 0x200b,
254 DW_AT_MIPS_stride_byte = 0x200c,
255 DW_AT_MIPS_stride_elem = 0x200d,
256 DW_AT_MIPS_ptr_dopetype = 0x200e,
257 DW_AT_MIPS_allocatable_dopetype = 0x200f,
258 DW_AT_MIPS_assumed_shape_dopetype = 0x2010,
260 // This one appears to have only been implemented by Open64 for
261 // fortran and may conflict with other extensions.
262 DW_AT_MIPS_assumed_size = 0x2011,
265 DW_AT_sf_names = 0x2101,
266 DW_AT_src_info = 0x2102,
267 DW_AT_mac_info = 0x2103,
268 DW_AT_src_coords = 0x2104,
269 DW_AT_body_begin = 0x2105,
270 DW_AT_body_end = 0x2106,
271 DW_AT_GNU_vector = 0x2107,
272 DW_AT_GNU_template_name = 0x2110,
274 DW_AT_GNU_odr_signature = 0x210f,
276 // Extensions for Fission proposal.
277 DW_AT_GNU_dwo_name = 0x2130,
278 DW_AT_GNU_dwo_id = 0x2131,
279 DW_AT_GNU_ranges_base = 0x2132,
280 DW_AT_GNU_addr_base = 0x2133,
281 DW_AT_GNU_pubnames = 0x2134,
282 DW_AT_GNU_pubtypes = 0x2135,
285 DW_AT_APPLE_optimized = 0x3fe1,
286 DW_AT_APPLE_flags = 0x3fe2,
287 DW_AT_APPLE_isa = 0x3fe3,
288 DW_AT_APPLE_block = 0x3fe4,
289 DW_AT_APPLE_major_runtime_vers = 0x3fe5,
290 DW_AT_APPLE_runtime_class = 0x3fe6,
291 DW_AT_APPLE_omit_frame_ptr = 0x3fe7,
292 DW_AT_APPLE_property_name = 0x3fe8,
293 DW_AT_APPLE_property_getter = 0x3fe9,
294 DW_AT_APPLE_property_setter = 0x3fea,
295 DW_AT_APPLE_property_attribute = 0x3feb,
296 DW_AT_APPLE_objc_complete_type = 0x3fec,
297 DW_AT_APPLE_property = 0x3fed,
299 // Attribute form encodings
301 DW_FORM_block2 = 0x03,
302 DW_FORM_block4 = 0x04,
303 DW_FORM_data2 = 0x05,
304 DW_FORM_data4 = 0x06,
305 DW_FORM_data8 = 0x07,
306 DW_FORM_string = 0x08,
307 DW_FORM_block = 0x09,
308 DW_FORM_block1 = 0x0a,
309 DW_FORM_data1 = 0x0b,
311 DW_FORM_sdata = 0x0d,
313 DW_FORM_udata = 0x0f,
314 DW_FORM_ref_addr = 0x10,
319 DW_FORM_ref_udata = 0x15,
320 DW_FORM_indirect = 0x16,
321 DW_FORM_sec_offset = 0x17,
322 DW_FORM_exprloc = 0x18,
323 DW_FORM_flag_present = 0x19,
324 DW_FORM_ref_sig8 = 0x20,
326 // Extensions for Fission proposal
327 DW_FORM_GNU_addr_index = 0x1f01,
328 DW_FORM_GNU_str_index = 0x1f02,
330 // Operation encodings
333 DW_OP_const1u = 0x08,
334 DW_OP_const1s = 0x09,
335 DW_OP_const2u = 0x0a,
336 DW_OP_const2s = 0x0b,
337 DW_OP_const4u = 0x0c,
338 DW_OP_const4s = 0x0d,
339 DW_OP_const8u = 0x0e,
340 DW_OP_const8s = 0x0f,
360 DW_OP_plus_uconst = 0x23,
473 DW_OP_deref_size = 0x94,
474 DW_OP_xderef_size = 0x95,
476 DW_OP_push_object_address = 0x97,
479 DW_OP_call_ref = 0x9a,
480 DW_OP_form_tls_address = 0x9b,
481 DW_OP_call_frame_cfa = 0x9c,
482 DW_OP_bit_piece = 0x9d,
483 DW_OP_implicit_value = 0x9e,
484 DW_OP_stack_value = 0x9f,
485 DW_OP_lo_user = 0xe0,
486 DW_OP_hi_user = 0xff,
488 // Extensions for Fission proposal.
489 DW_OP_GNU_addr_index = 0xfb,
490 DW_OP_GNU_const_index = 0xfc,
492 // Encoding attribute values
493 DW_ATE_address = 0x01,
494 DW_ATE_boolean = 0x02,
495 DW_ATE_complex_float = 0x03,
497 DW_ATE_signed = 0x05,
498 DW_ATE_signed_char = 0x06,
499 DW_ATE_unsigned = 0x07,
500 DW_ATE_unsigned_char = 0x08,
501 DW_ATE_imaginary_float = 0x09,
502 DW_ATE_packed_decimal = 0x0a,
503 DW_ATE_numeric_string = 0x0b,
504 DW_ATE_edited = 0x0c,
505 DW_ATE_signed_fixed = 0x0d,
506 DW_ATE_unsigned_fixed = 0x0e,
507 DW_ATE_decimal_float = 0x0f,
509 DW_ATE_lo_user = 0x80,
510 DW_ATE_hi_user = 0xff,
512 // Decimal sign attribute values
513 DW_DS_unsigned = 0x01,
514 DW_DS_leading_overpunch = 0x02,
515 DW_DS_trailing_overpunch = 0x03,
516 DW_DS_leading_separate = 0x04,
517 DW_DS_trailing_separate = 0x05,
519 // Endianity attribute values
520 DW_END_default = 0x00,
522 DW_END_little = 0x02,
523 DW_END_lo_user = 0x40,
524 DW_END_hi_user = 0xff,
526 // Accessibility codes
527 DW_ACCESS_public = 0x01,
528 DW_ACCESS_protected = 0x02,
529 DW_ACCESS_private = 0x03,
533 DW_VIS_exported = 0x02,
534 DW_VIS_qualified = 0x03,
537 DW_VIRTUALITY_none = 0x00,
538 DW_VIRTUALITY_virtual = 0x01,
539 DW_VIRTUALITY_pure_virtual = 0x02,
542 DW_LANG_C89 = 0x0001,
544 DW_LANG_Ada83 = 0x0003,
545 DW_LANG_C_plus_plus = 0x0004,
546 DW_LANG_Cobol74 = 0x0005,
547 DW_LANG_Cobol85 = 0x0006,
548 DW_LANG_Fortran77 = 0x0007,
549 DW_LANG_Fortran90 = 0x0008,
550 DW_LANG_Pascal83 = 0x0009,
551 DW_LANG_Modula2 = 0x000a,
552 DW_LANG_Java = 0x000b,
553 DW_LANG_C99 = 0x000c,
554 DW_LANG_Ada95 = 0x000d,
555 DW_LANG_Fortran95 = 0x000e,
556 DW_LANG_PLI = 0x000f,
557 DW_LANG_ObjC = 0x0010,
558 DW_LANG_ObjC_plus_plus = 0x0011,
559 DW_LANG_UPC = 0x0012,
561 DW_LANG_Python = 0x0014,
562 DW_LANG_lo_user = 0x8000,
563 DW_LANG_Mips_Assembler = 0x8001,
564 DW_LANG_hi_user = 0xffff,
566 // Identifier case codes
567 DW_ID_case_sensitive = 0x00,
568 DW_ID_up_case = 0x01,
569 DW_ID_down_case = 0x02,
570 DW_ID_case_insensitive = 0x03,
572 // Calling convention codes
574 DW_CC_program = 0x02,
576 DW_CC_lo_user = 0x40,
577 DW_CC_hi_user = 0xff,
580 DW_INL_not_inlined = 0x00,
581 DW_INL_inlined = 0x01,
582 DW_INL_declared_not_inlined = 0x02,
583 DW_INL_declared_inlined = 0x03,
586 DW_ORD_row_major = 0x00,
587 DW_ORD_col_major = 0x01,
589 // Discriminant descriptor values
593 // Line Number Standard Opcode Encodings
594 DW_LNS_extended_op = 0x00,
596 DW_LNS_advance_pc = 0x02,
597 DW_LNS_advance_line = 0x03,
598 DW_LNS_set_file = 0x04,
599 DW_LNS_set_column = 0x05,
600 DW_LNS_negate_stmt = 0x06,
601 DW_LNS_set_basic_block = 0x07,
602 DW_LNS_const_add_pc = 0x08,
603 DW_LNS_fixed_advance_pc = 0x09,
604 DW_LNS_set_prologue_end = 0x0a,
605 DW_LNS_set_epilogue_begin = 0x0b,
606 DW_LNS_set_isa = 0x0c,
608 // Line Number Extended Opcode Encodings
609 DW_LNE_end_sequence = 0x01,
610 DW_LNE_set_address = 0x02,
611 DW_LNE_define_file = 0x03,
612 DW_LNE_set_discriminator = 0x04,
613 DW_LNE_lo_user = 0x80,
614 DW_LNE_hi_user = 0xff,
616 // Macinfo Type Encodings
617 DW_MACINFO_define = 0x01,
618 DW_MACINFO_undef = 0x02,
619 DW_MACINFO_start_file = 0x03,
620 DW_MACINFO_end_file = 0x04,
621 DW_MACINFO_vendor_ext = 0xff,
623 // Call frame instruction encodings
624 DW_CFA_extended = 0x00,
626 DW_CFA_advance_loc = 0x40,
627 DW_CFA_offset = 0x80,
628 DW_CFA_restore = 0xc0,
629 DW_CFA_set_loc = 0x01,
630 DW_CFA_advance_loc1 = 0x02,
631 DW_CFA_advance_loc2 = 0x03,
632 DW_CFA_advance_loc4 = 0x04,
633 DW_CFA_offset_extended = 0x05,
634 DW_CFA_restore_extended = 0x06,
635 DW_CFA_undefined = 0x07,
636 DW_CFA_same_value = 0x08,
637 DW_CFA_register = 0x09,
638 DW_CFA_remember_state = 0x0a,
639 DW_CFA_restore_state = 0x0b,
640 DW_CFA_def_cfa = 0x0c,
641 DW_CFA_def_cfa_register = 0x0d,
642 DW_CFA_def_cfa_offset = 0x0e,
643 DW_CFA_def_cfa_expression = 0x0f,
644 DW_CFA_expression = 0x10,
645 DW_CFA_offset_extended_sf = 0x11,
646 DW_CFA_def_cfa_sf = 0x12,
647 DW_CFA_def_cfa_offset_sf = 0x13,
648 DW_CFA_val_offset = 0x14,
649 DW_CFA_val_offset_sf = 0x15,
650 DW_CFA_val_expression = 0x16,
651 DW_CFA_MIPS_advance_loc8 = 0x1d,
652 DW_CFA_GNU_window_save = 0x2d,
653 DW_CFA_GNU_args_size = 0x2e,
654 DW_CFA_lo_user = 0x1c,
655 DW_CFA_hi_user = 0x3f,
657 DW_EH_PE_absptr = 0x00,
658 DW_EH_PE_omit = 0xff,
659 DW_EH_PE_uleb128 = 0x01,
660 DW_EH_PE_udata2 = 0x02,
661 DW_EH_PE_udata4 = 0x03,
662 DW_EH_PE_udata8 = 0x04,
663 DW_EH_PE_sleb128 = 0x09,
664 DW_EH_PE_sdata2 = 0x0A,
665 DW_EH_PE_sdata4 = 0x0B,
666 DW_EH_PE_sdata8 = 0x0C,
667 DW_EH_PE_signed = 0x08,
668 DW_EH_PE_pcrel = 0x10,
669 DW_EH_PE_textrel = 0x20,
670 DW_EH_PE_datarel = 0x30,
671 DW_EH_PE_funcrel = 0x40,
672 DW_EH_PE_aligned = 0x50,
673 DW_EH_PE_indirect = 0x80,
675 // Apple Objective-C Property Attributes
676 DW_APPLE_PROPERTY_readonly = 0x01,
677 DW_APPLE_PROPERTY_readwrite = 0x02,
678 DW_APPLE_PROPERTY_assign = 0x04,
679 DW_APPLE_PROPERTY_retain = 0x08,
680 DW_APPLE_PROPERTY_copy = 0x10,
681 DW_APPLE_PROPERTY_nonatomic = 0x20
684 /// TagString - Return the string for the specified tag.
686 const char *TagString(unsigned Tag);
688 /// ChildrenString - Return the string for the specified children flag.
690 const char *ChildrenString(unsigned Children);
692 /// AttributeString - Return the string for the specified attribute.
694 const char *AttributeString(unsigned Attribute);
696 /// FormEncodingString - Return the string for the specified form encoding.
698 const char *FormEncodingString(unsigned Encoding);
700 /// OperationEncodingString - Return the string for the specified operation
702 const char *OperationEncodingString(unsigned Encoding);
704 /// AttributeEncodingString - Return the string for the specified attribute
706 const char *AttributeEncodingString(unsigned Encoding);
708 /// DecimalSignString - Return the string for the specified decimal sign
710 const char *DecimalSignString(unsigned Sign);
712 /// EndianityString - Return the string for the specified endianity.
714 const char *EndianityString(unsigned Endian);
716 /// AccessibilityString - Return the string for the specified accessibility.
718 const char *AccessibilityString(unsigned Access);
720 /// VisibilityString - Return the string for the specified visibility.
722 const char *VisibilityString(unsigned Visibility);
724 /// VirtualityString - Return the string for the specified virtuality.
726 const char *VirtualityString(unsigned Virtuality);
728 /// LanguageString - Return the string for the specified language.
730 const char *LanguageString(unsigned Language);
732 /// CaseString - Return the string for the specified identifier case.
734 const char *CaseString(unsigned Case);
736 /// ConventionString - Return the string for the specified calling convention.
738 const char *ConventionString(unsigned Convention);
740 /// InlineCodeString - Return the string for the specified inline code.
742 const char *InlineCodeString(unsigned Code);
744 /// ArrayOrderString - Return the string for the specified array order.
746 const char *ArrayOrderString(unsigned Order);
748 /// DiscriminantString - Return the string for the specified discriminant
750 const char *DiscriminantString(unsigned Discriminant);
752 /// LNStandardString - Return the string for the specified line number standard.
754 const char *LNStandardString(unsigned Standard);
756 /// LNExtendedString - Return the string for the specified line number extended
757 /// opcode encodings.
758 const char *LNExtendedString(unsigned Encoding);
760 /// MacinfoString - Return the string for the specified macinfo type encodings.
762 const char *MacinfoString(unsigned Encoding);
764 /// CallFrameString - Return the string for the specified call frame instruction
766 const char *CallFrameString(unsigned Encoding);
768 // Constants for the DWARF5 Accelerator Table Proposal
769 enum AcceleratorTable {
770 // Data layout descriptors.
771 DW_ATOM_null = 0u, // Marker as the end of a list of atoms.
772 DW_ATOM_die_offset = 1u, // DIE offset in the debug_info section.
773 DW_ATOM_cu_offset = 2u, // Offset of the compile unit header that contains the
775 DW_ATOM_die_tag = 3u, // A tag entry.
776 DW_ATOM_type_flags = 4u, // Set of flags for a type.
778 // DW_ATOM_type_flags values.
780 // Always set for C++, only set for ObjC if this is the @implementation for a
782 DW_FLAG_type_implementation = 2u,
786 // Daniel J. Bernstein hash.
787 DW_hash_function_djb = 0u
790 /// AtomTypeString - Return the string for the specified Atom type.
791 const char *AtomTypeString(unsigned Atom);
793 // Constants for the GNU pubnames/pubtypes extensions supporting gdb index.
794 enum GDBIndexEntryKind {
805 StringRef GDBIndexEntryKindString(GDBIndexEntryKind Kind);
807 enum GDBIndexEntryLinkage {
812 StringRef GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage);
814 /// The gnu_pub* kind looks like:
818 /// 7 0 == global, 1 == static
820 /// A gdb_index descriptor includes the above kind, shifted 24 bits up with the
821 /// offset of the cu within the debug_info section stored in those 24 bits.
822 struct PubIndexEntryDescriptor {
823 GDBIndexEntryKind Kind;
824 GDBIndexEntryLinkage Static;
825 PubIndexEntryDescriptor(GDBIndexEntryKind Kind, GDBIndexEntryLinkage Static)
826 : Kind(Kind), Static(Static) {}
827 /* implicit */ PubIndexEntryDescriptor(GDBIndexEntryKind Kind)
828 : Kind(Kind), Static(GIEL_EXTERNAL) {}
829 explicit PubIndexEntryDescriptor(uint8_t Value)
830 : Kind(static_cast<GDBIndexEntryKind>((Value & KIND_MASK) >>
832 Static(static_cast<GDBIndexEntryLinkage>((Value & LINKAGE_MASK) >>
835 return Kind << KIND_OFFSET | Static << LINKAGE_OFFSET;
840 KIND_MASK = 7 << KIND_OFFSET,
842 LINKAGE_MASK = 1 << LINKAGE_OFFSET
846 } // End of namespace dwarf
848 } // End of namespace llvm