lib/Support/Dwarf.cpp

   1 //===-- llvm/Support/Dwarf.cpp - Dwarf Framework ----------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file contains support for generic dwarf information.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "llvm/Support/Dwarf.h"
  15 #include "llvm/Support/ErrorHandling.h"
  16
  17 using namespace llvm;
  18 using namespace dwarf;
  19
  20 /// TagString - Return the string for the specified tag.
  21 ///
  22 const char *llvm::dwarf::TagString(unsigned Tag) {
  23   switch (Tag) {
  24   case DW_TAG_array_type:                return "DW_TAG_array_type";
  25   case DW_TAG_class_type:                return "DW_TAG_class_type";
  26   case DW_TAG_entry_point:               return "DW_TAG_entry_point";
  27   case DW_TAG_enumeration_type:          return "DW_TAG_enumeration_type";
  28   case DW_TAG_formal_parameter:          return "DW_TAG_formal_parameter";
  29   case DW_TAG_imported_declaration:      return "DW_TAG_imported_declaration";
  30   case DW_TAG_label:                     return "DW_TAG_label";
  31   case DW_TAG_lexical_block:             return "DW_TAG_lexical_block";
  32   case DW_TAG_member:                    return "DW_TAG_member";
  33   case DW_TAG_pointer_type:              return "DW_TAG_pointer_type";
  34   case DW_TAG_reference_type:            return "DW_TAG_reference_type";
  35   case DW_TAG_compile_unit:              return "DW_TAG_compile_unit";
  36   case DW_TAG_string_type:               return "DW_TAG_string_type";
  37   case DW_TAG_structure_type:            return "DW_TAG_structure_type";
  38   case DW_TAG_subroutine_type:           return "DW_TAG_subroutine_type";
  39   case DW_TAG_typedef:                   return "DW_TAG_typedef";
  40   case DW_TAG_union_type:                return "DW_TAG_union_type";
  41   case DW_TAG_unspecified_parameters:    return "DW_TAG_unspecified_parameters";
  42   case DW_TAG_variant:                   return "DW_TAG_variant";
  43   case DW_TAG_common_block:              return "DW_TAG_common_block";
  44   case DW_TAG_common_inclusion:          return "DW_TAG_common_inclusion";
  45   case DW_TAG_inheritance:               return "DW_TAG_inheritance";
  46   case DW_TAG_inlined_subroutine:        return "DW_TAG_inlined_subroutine";
  47   case DW_TAG_module:                    return "DW_TAG_module";
  48   case DW_TAG_ptr_to_member_type:        return "DW_TAG_ptr_to_member_type";
  49   case DW_TAG_set_type:                  return "DW_TAG_set_type";
  50   case DW_TAG_subrange_type:             return "DW_TAG_subrange_type";
  51   case DW_TAG_with_stmt:                 return "DW_TAG_with_stmt";
  52   case DW_TAG_access_declaration:        return "DW_TAG_access_declaration";
  53   case DW_TAG_base_type:                 return "DW_TAG_base_type";
  54   case DW_TAG_catch_block:               return "DW_TAG_catch_block";
  55   case DW_TAG_const_type:                return "DW_TAG_const_type";
  56   case DW_TAG_constant:                  return "DW_TAG_constant";
  57   case DW_TAG_enumerator:                return "DW_TAG_enumerator";
  58   case DW_TAG_file_type:                 return "DW_TAG_file_type";
  59   case DW_TAG_friend:                    return "DW_TAG_friend";
  60   case DW_TAG_namelist:                  return "DW_TAG_namelist";
  61   case DW_TAG_namelist_item:             return "DW_TAG_namelist_item";
  62   case DW_TAG_packed_type:               return "DW_TAG_packed_type";
  63   case DW_TAG_subprogram:                return "DW_TAG_subprogram";
  64   case DW_TAG_template_type_parameter:   return "DW_TAG_template_type_parameter";
  65   case DW_TAG_template_value_parameter:  return "DW_TAG_template_value_parameter";
  66   case DW_TAG_thrown_type:               return "DW_TAG_thrown_type";
  67   case DW_TAG_try_block:                 return "DW_TAG_try_block";
  68   case DW_TAG_variant_part:              return "DW_TAG_variant_part";
  69   case DW_TAG_variable:                  return "DW_TAG_variable";
  70   case DW_TAG_volatile_type:             return "DW_TAG_volatile_type";
  71   case DW_TAG_dwarf_procedure:           return "DW_TAG_dwarf_procedure";
  72   case DW_TAG_restrict_type:             return "DW_TAG_restrict_type";
  73   case DW_TAG_interface_type:            return "DW_TAG_interface_type";
  74   case DW_TAG_namespace:                 return "DW_TAG_namespace";
  75   case DW_TAG_imported_module:           return "DW_TAG_imported_module";
  76   case DW_TAG_unspecified_type:          return "DW_TAG_unspecified_type";
  77   case DW_TAG_partial_unit:              return "DW_TAG_partial_unit";
  78   case DW_TAG_imported_unit:             return "DW_TAG_imported_unit";
  79   case DW_TAG_condition:                 return "DW_TAG_condition";
  80   case DW_TAG_shared_type:               return "DW_TAG_shared_type";
  81   case DW_TAG_lo_user:                   return "DW_TAG_lo_user";
  82   case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
  83   case DW_TAG_auto_variable:             return "DW_TAG_auto_variable";
  84   case DW_TAG_arg_variable:              return "DW_TAG_arg_variable";
  85   case DW_TAG_rvalue_reference_type:     return "DW_TAG_rvalue_reference_type";
  86   case DW_TAG_template_alias:            return "DW_TAG_template_alias";
  87   case DW_TAG_coarray_type:              return "DW_TAG_coarray_type";
  88   case DW_TAG_generic_subrange:          return "DW_TAG_generic_subrange";
  89   case DW_TAG_dynamic_type:              return "DW_TAG_dynamic_type";
  90   case DW_TAG_MIPS_loop:                 return "DW_TAG_MIPS_loop";
  91   case DW_TAG_type_unit:                 return "DW_TAG_type_unit";
  92   case DW_TAG_format_label:              return "DW_TAG_format_label";
  93   case DW_TAG_function_template:         return "DW_TAG_function_template";
  94   case DW_TAG_class_template:            return "DW_TAG_class_template";
  95   case DW_TAG_GNU_template_template_param:
  96     return "DW_TAG_GNU_template_template_param";
  97   case DW_TAG_GNU_template_parameter_pack:
  98     return "DW_TAG_GNU_template_parameter_pack";
  99   case DW_TAG_GNU_formal_parameter_pack:
 100     return "DW_TAG_GNU_formal_parameter_pack";
 101   case DW_TAG_APPLE_property:            return "DW_TAG_APPLE_property";
 102   }
 103   return nullptr;
 104 }
 105
 106 /// ChildrenString - Return the string for the specified children flag.
 107 ///
 108 const char *llvm::dwarf::ChildrenString(unsigned Children) {
 109   switch (Children) {
 110   case DW_CHILDREN_no:                   return "DW_CHILDREN_no";
 111   case DW_CHILDREN_yes:                  return "DW_CHILDREN_yes";
 112   }
 113   return nullptr;
 114 }
 115
 116 /// AttributeString - Return the string for the specified attribute.
 117 ///
 118 const char *llvm::dwarf::AttributeString(unsigned Attribute) {
 119   switch (Attribute) {
 120   case DW_AT_sibling:                    return "DW_AT_sibling";
 121   case DW_AT_location:                   return "DW_AT_location";
 122   case DW_AT_name:                       return "DW_AT_name";
 123   case DW_AT_ordering:                   return "DW_AT_ordering";
 124   case DW_AT_byte_size:                  return "DW_AT_byte_size";
 125   case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
 126   case DW_AT_bit_size:                   return "DW_AT_bit_size";
 127   case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
 128   case DW_AT_low_pc:                     return "DW_AT_low_pc";
 129   case DW_AT_high_pc:                    return "DW_AT_high_pc";
 130   case DW_AT_language:                   return "DW_AT_language";
 131   case DW_AT_discr:                      return "DW_AT_discr";
 132   case DW_AT_discr_value:                return "DW_AT_discr_value";
 133   case DW_AT_visibility:                 return "DW_AT_visibility";
 134   case DW_AT_import:                     return "DW_AT_import";
 135   case DW_AT_string_length:              return "DW_AT_string_length";
 136   case DW_AT_common_reference:           return "DW_AT_common_reference";
 137   case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
 138   case DW_AT_const_value:                return "DW_AT_const_value";
 139   case DW_AT_containing_type:            return "DW_AT_containing_type";
 140   case DW_AT_default_value:              return "DW_AT_default_value";
 141   case DW_AT_inline:                     return "DW_AT_inline";
 142   case DW_AT_is_optional:                return "DW_AT_is_optional";
 143   case DW_AT_lower_bound:                return "DW_AT_lower_bound";
 144   case DW_AT_producer:                   return "DW_AT_producer";
 145   case DW_AT_prototyped:                 return "DW_AT_prototyped";
 146   case DW_AT_return_addr:                return "DW_AT_return_addr";
 147   case DW_AT_start_scope:                return "DW_AT_start_scope";
 148   case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
 149   case DW_AT_upper_bound:                return "DW_AT_upper_bound";
 150   case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
 151   case DW_AT_accessibility:              return "DW_AT_accessibility";
 152   case DW_AT_address_class:              return "DW_AT_address_class";
 153   case DW_AT_artificial:                 return "DW_AT_artificial";
 154   case DW_AT_base_types:                 return "DW_AT_base_types";
 155   case DW_AT_calling_convention:         return "DW_AT_calling_convention";
 156   case DW_AT_count:                      return "DW_AT_count";
 157   case DW_AT_data_member_location:       return "DW_AT_data_member_location";
 158   case DW_AT_decl_column:                return "DW_AT_decl_column";
 159   case DW_AT_decl_file:                  return "DW_AT_decl_file";
 160   case DW_AT_decl_line:                  return "DW_AT_decl_line";
 161   case DW_AT_declaration:                return "DW_AT_declaration";
 162   case DW_AT_discr_list:                 return "DW_AT_discr_list";
 163   case DW_AT_encoding:                   return "DW_AT_encoding";
 164   case DW_AT_external:                   return "DW_AT_external";
 165   case DW_AT_frame_base:                 return "DW_AT_frame_base";
 166   case DW_AT_friend:                     return "DW_AT_friend";
 167   case DW_AT_identifier_case:            return "DW_AT_identifier_case";
 168   case DW_AT_macro_info:                 return "DW_AT_macro_info";
 169   case DW_AT_namelist_item:              return "DW_AT_namelist_item";
 170   case DW_AT_priority:                   return "DW_AT_priority";
 171   case DW_AT_segment:                    return "DW_AT_segment";
 172   case DW_AT_specification:              return "DW_AT_specification";
 173   case DW_AT_static_link:                return "DW_AT_static_link";
 174   case DW_AT_type:                       return "DW_AT_type";
 175   case DW_AT_use_location:               return "DW_AT_use_location";
 176   case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
 177   case DW_AT_virtuality:                 return "DW_AT_virtuality";
 178   case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
 179   case DW_AT_allocated:                  return "DW_AT_allocated";
 180   case DW_AT_associated:                 return "DW_AT_associated";
 181   case DW_AT_data_location:              return "DW_AT_data_location";
 182   case DW_AT_byte_stride:                return "DW_AT_byte_stride";
 183   case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
 184   case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
 185   case DW_AT_extension:                  return "DW_AT_extension";
 186   case DW_AT_ranges:                     return "DW_AT_ranges";
 187   case DW_AT_trampoline:                 return "DW_AT_trampoline";
 188   case DW_AT_call_column:                return "DW_AT_call_column";
 189   case DW_AT_call_file:                  return "DW_AT_call_file";
 190   case DW_AT_call_line:                  return "DW_AT_call_line";
 191   case DW_AT_description:                return "DW_AT_description";
 192   case DW_AT_binary_scale:               return "DW_AT_binary_scale";
 193   case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
 194   case DW_AT_small:                      return "DW_AT_small";
 195   case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
 196   case DW_AT_digit_count:                return "DW_AT_digit_count";
 197   case DW_AT_picture_string:             return "DW_AT_picture_string";
 198   case DW_AT_mutable:                    return "DW_AT_mutable";
 199   case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
 200   case DW_AT_explicit:                   return "DW_AT_explicit";
 201   case DW_AT_object_pointer:             return "DW_AT_object_pointer";
 202   case DW_AT_endianity:                  return "DW_AT_endianity";
 203   case DW_AT_elemental:                  return "DW_AT_elemental";
 204   case DW_AT_pure:                       return "DW_AT_pure";
 205   case DW_AT_recursive:                  return "DW_AT_recursive";
 206   case DW_AT_signature:                  return "DW_AT_signature";
 207   case DW_AT_main_subprogram:            return "DW_AT_main_subprogram";
 208   case DW_AT_data_bit_offset:            return "DW_AT_data_bit_offset";
 209   case DW_AT_const_expr:                 return "DW_AT_const_expr";
 210   case DW_AT_enum_class:                 return "DW_AT_enum_class";
 211   case DW_AT_linkage_name:               return "DW_AT_linkage_name";
 212   case DW_AT_string_length_bit_size:     return "DW_AT_string_length_bit_size";
 213   case DW_AT_string_length_byte_size:    return "DW_AT_string_length_byte_size";
 214   case DW_AT_rank:                       return "DW_AT_rank";
 215   case DW_AT_str_offsets_base:           return "DW_AT_str_offsets_base";
 216   case DW_AT_addr_base:                  return "DW_AT_addr_base";
 217   case DW_AT_ranges_base:                return "DW_AT_ranges_base";
 218   case DW_AT_dwo_id:                     return "DW_AT_dwo_id";
 219   case DW_AT_dwo_name:                   return "DW_AT_dwo_name";
 220   case DW_AT_reference:                  return "DW_AT_reference";
 221   case DW_AT_rvalue_reference:           return "DW_AT_rvalue_reference";
 222   case DW_AT_MIPS_loop_begin:            return "DW_AT_MIPS_loop_begin";
 223   case DW_AT_MIPS_tail_loop_begin:       return "DW_AT_MIPS_tail_loop_begin";
 224   case DW_AT_MIPS_epilog_begin:          return "DW_AT_MIPS_epilog_begin";
 225   case DW_AT_MIPS_loop_unroll_factor:    return "DW_AT_MIPS_loop_unroll_factor";
 226   case DW_AT_MIPS_software_pipeline_depth:
 227     return "DW_AT_MIPS_software_pipeline_depth";
 228   case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
 229   case DW_AT_MIPS_stride:                return "DW_AT_MIPS_stride";
 230   case DW_AT_MIPS_abstract_name:         return "DW_AT_MIPS_abstract_name";
 231   case DW_AT_MIPS_clone_origin:          return "DW_AT_MIPS_clone_origin";
 232   case DW_AT_MIPS_has_inlines:           return "DW_AT_MIPS_has_inlines";
 233   case DW_AT_MIPS_stride_byte:           return "DW_AT_MIPS_stride_byte";
 234   case DW_AT_MIPS_stride_elem:           return "DW_AT_MIPS_stride_elem";
 235   case DW_AT_MIPS_ptr_dopetype:          return "DW_AT_MIPS_ptr_dopetype";
 236   case DW_AT_MIPS_allocatable_dopetype:
 237     return "DW_AT_MIPS_allocatable_dopetype";
 238   case DW_AT_MIPS_assumed_shape_dopetype:
 239     return "DW_AT_MIPS_assumed_shape_dopetype";
 240   case DW_AT_sf_names:                   return "DW_AT_sf_names";
 241   case DW_AT_src_info:                   return "DW_AT_src_info";
 242   case DW_AT_mac_info:                   return "DW_AT_mac_info";
 243   case DW_AT_src_coords:                 return "DW_AT_src_coords";
 244   case DW_AT_body_begin:                 return "DW_AT_body_begin";
 245   case DW_AT_body_end:                   return "DW_AT_body_end";
 246   case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
 247   case DW_AT_GNU_template_name:          return "DW_AT_GNU_template_name";
 248   case DW_AT_GNU_odr_signature:          return "DW_AT_GNU_odr_signature";
 249   case DW_AT_MIPS_assumed_size:          return "DW_AT_MIPS_assumed_size";
 250   case DW_AT_lo_user:                    return "DW_AT_lo_user";
 251   case DW_AT_hi_user:                    return "DW_AT_hi_user";
 252   case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
 253   case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
 254   case DW_AT_APPLE_isa:                  return "DW_AT_APPLE_isa";
 255   case DW_AT_APPLE_block:                return "DW_AT_APPLE_block";
 256   case DW_AT_APPLE_major_runtime_vers:   return "DW_AT_APPLE_major_runtime_vers";
 257   case DW_AT_APPLE_runtime_class:        return "DW_AT_APPLE_runtime_class";
 258   case DW_AT_APPLE_omit_frame_ptr:       return "DW_AT_APPLE_omit_frame_ptr";
 259   case DW_AT_APPLE_property_name:        return "DW_AT_APPLE_property_name";
 260   case DW_AT_APPLE_property_getter:      return "DW_AT_APPLE_property_getter";
 261   case DW_AT_APPLE_property_setter:      return "DW_AT_APPLE_property_setter";
 262   case DW_AT_APPLE_property_attribute:   return "DW_AT_APPLE_property_attribute";
 263   case DW_AT_APPLE_property:             return "DW_AT_APPLE_property";
 264   case DW_AT_APPLE_objc_complete_type:   return "DW_AT_APPLE_objc_complete_type";
 265
 266     // DWARF5 Fission Extension Attribute
 267   case DW_AT_GNU_dwo_name:               return "DW_AT_GNU_dwo_name";
 268   case DW_AT_GNU_dwo_id:                 return "DW_AT_GNU_dwo_id";
 269   case DW_AT_GNU_ranges_base:            return "DW_AT_GNU_ranges_base";
 270   case DW_AT_GNU_addr_base:              return "DW_AT_GNU_addr_base";
 271   case DW_AT_GNU_pubnames:               return "DW_AT_GNU_pubnames";
 272   case DW_AT_GNU_pubtypes:               return "DW_AT_GNU_pubtypes";
 273   }
 274   return nullptr;
 275 }
 276
 277 /// FormEncodingString - Return the string for the specified form encoding.
 278 ///
 279 const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
 280   switch (Encoding) {
 281   case DW_FORM_addr:                     return "DW_FORM_addr";
 282   case DW_FORM_block2:                   return "DW_FORM_block2";
 283   case DW_FORM_block4:                   return "DW_FORM_block4";
 284   case DW_FORM_data2:                    return "DW_FORM_data2";
 285   case DW_FORM_data4:                    return "DW_FORM_data4";
 286   case DW_FORM_data8:                    return "DW_FORM_data8";
 287   case DW_FORM_string:                   return "DW_FORM_string";
 288   case DW_FORM_block:                    return "DW_FORM_block";
 289   case DW_FORM_block1:                   return "DW_FORM_block1";
 290   case DW_FORM_data1:                    return "DW_FORM_data1";
 291   case DW_FORM_flag:                     return "DW_FORM_flag";
 292   case DW_FORM_sdata:                    return "DW_FORM_sdata";
 293   case DW_FORM_strp:                     return "DW_FORM_strp";
 294   case DW_FORM_udata:                    return "DW_FORM_udata";
 295   case DW_FORM_ref_addr:                 return "DW_FORM_ref_addr";
 296   case DW_FORM_ref1:                     return "DW_FORM_ref1";
 297   case DW_FORM_ref2:                     return "DW_FORM_ref2";
 298   case DW_FORM_ref4:                     return "DW_FORM_ref4";
 299   case DW_FORM_ref8:                     return "DW_FORM_ref8";
 300   case DW_FORM_ref_udata:                return "DW_FORM_ref_udata";
 301   case DW_FORM_indirect:                 return "DW_FORM_indirect";
 302   case DW_FORM_sec_offset:               return "DW_FORM_sec_offset";
 303   case DW_FORM_exprloc:                  return "DW_FORM_exprloc";
 304   case DW_FORM_flag_present:             return "DW_FORM_flag_present";
 305   case DW_FORM_ref_sig8:                 return "DW_FORM_ref_sig8";
 306
 307     // DWARF5 Fission Extension Forms
 308   case DW_FORM_GNU_addr_index:           return "DW_FORM_GNU_addr_index";
 309   case DW_FORM_GNU_str_index:            return "DW_FORM_GNU_str_index";
 310   }
 311   return nullptr;
 312 }
 313
 314 /// OperationEncodingString - Return the string for the specified operation
 315 /// encoding.
 316 const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
 317   switch (Encoding) {
 318   case DW_OP_addr:                       return "DW_OP_addr";
 319   case DW_OP_deref:                      return "DW_OP_deref";
 320   case DW_OP_const1u:                    return "DW_OP_const1u";
 321   case DW_OP_const1s:                    return "DW_OP_const1s";
 322   case DW_OP_const2u:                    return "DW_OP_const2u";
 323   case DW_OP_const2s:                    return "DW_OP_const2s";
 324   case DW_OP_const4u:                    return "DW_OP_const4u";
 325   case DW_OP_const4s:                    return "DW_OP_const4s";
 326   case DW_OP_const8u:                    return "DW_OP_const8u";
 327   case DW_OP_const8s:                    return "DW_OP_const8s";
 328   case DW_OP_constu:                     return "DW_OP_constu";
 329   case DW_OP_consts:                     return "DW_OP_consts";
 330   case DW_OP_dup:                        return "DW_OP_dup";
 331   case DW_OP_drop:                       return "DW_OP_drop";
 332   case DW_OP_over:                       return "DW_OP_over";
 333   case DW_OP_pick:                       return "DW_OP_pick";
 334   case DW_OP_swap:                       return "DW_OP_swap";
 335   case DW_OP_rot:                        return "DW_OP_rot";
 336   case DW_OP_xderef:                     return "DW_OP_xderef";
 337   case DW_OP_abs:                        return "DW_OP_abs";
 338   case DW_OP_and:                        return "DW_OP_and";
 339   case DW_OP_div:                        return "DW_OP_div";
 340   case DW_OP_minus:                      return "DW_OP_minus";
 341   case DW_OP_mod:                        return "DW_OP_mod";
 342   case DW_OP_mul:                        return "DW_OP_mul";
 343   case DW_OP_neg:                        return "DW_OP_neg";
 344   case DW_OP_not:                        return "DW_OP_not";
 345   case DW_OP_or:                         return "DW_OP_or";
 346   case DW_OP_plus:                       return "DW_OP_plus";
 347   case DW_OP_plus_uconst:                return "DW_OP_plus_uconst";
 348   case DW_OP_shl:                        return "DW_OP_shl";
 349   case DW_OP_shr:                        return "DW_OP_shr";
 350   case DW_OP_shra:                       return "DW_OP_shra";
 351   case DW_OP_xor:                        return "DW_OP_xor";
 352   case DW_OP_skip:                       return "DW_OP_skip";
 353   case DW_OP_bra:                        return "DW_OP_bra";
 354   case DW_OP_eq:                         return "DW_OP_eq";
 355   case DW_OP_ge:                         return "DW_OP_ge";
 356   case DW_OP_gt:                         return "DW_OP_gt";
 357   case DW_OP_le:                         return "DW_OP_le";
 358   case DW_OP_lt:                         return "DW_OP_lt";
 359   case DW_OP_ne:                         return "DW_OP_ne";
 360   case DW_OP_lit0:                       return "DW_OP_lit0";
 361   case DW_OP_lit1:                       return "DW_OP_lit1";
 362   case DW_OP_lit2:                       return "DW_OP_lit2";
 363   case DW_OP_lit3:                       return "DW_OP_lit3";
 364   case DW_OP_lit4:                       return "DW_OP_lit4";
 365   case DW_OP_lit5:                       return "DW_OP_lit5";
 366   case DW_OP_lit6:                       return "DW_OP_lit6";
 367   case DW_OP_lit7:                       return "DW_OP_lit7";
 368   case DW_OP_lit8:                       return "DW_OP_lit8";
 369   case DW_OP_lit9:                       return "DW_OP_lit9";
 370   case DW_OP_lit10:                      return "DW_OP_lit10";
 371   case DW_OP_lit11:                      return "DW_OP_lit11";
 372   case DW_OP_lit12:                      return "DW_OP_lit12";
 373   case DW_OP_lit13:                      return "DW_OP_lit13";
 374   case DW_OP_lit14:                      return "DW_OP_lit14";
 375   case DW_OP_lit15:                      return "DW_OP_lit15";
 376   case DW_OP_lit16:                      return "DW_OP_lit16";
 377   case DW_OP_lit17:                      return "DW_OP_lit17";
 378   case DW_OP_lit18:                      return "DW_OP_lit18";
 379   case DW_OP_lit19:                      return "DW_OP_lit19";
 380   case DW_OP_lit20:                      return "DW_OP_lit20";
 381   case DW_OP_lit21:                      return "DW_OP_lit21";
 382   case DW_OP_lit22:                      return "DW_OP_lit22";
 383   case DW_OP_lit23:                      return "DW_OP_lit23";
 384   case DW_OP_lit24:                      return "DW_OP_lit24";
 385   case DW_OP_lit25:                      return "DW_OP_lit25";
 386   case DW_OP_lit26:                      return "DW_OP_lit26";
 387   case DW_OP_lit27:                      return "DW_OP_lit27";
 388   case DW_OP_lit28:                      return "DW_OP_lit28";
 389   case DW_OP_lit29:                      return "DW_OP_lit29";
 390   case DW_OP_lit30:                      return "DW_OP_lit30";
 391   case DW_OP_lit31:                      return "DW_OP_lit31";
 392   case DW_OP_reg0:                       return "DW_OP_reg0";
 393   case DW_OP_reg1:                       return "DW_OP_reg1";
 394   case DW_OP_reg2:                       return "DW_OP_reg2";
 395   case DW_OP_reg3:                       return "DW_OP_reg3";
 396   case DW_OP_reg4:                       return "DW_OP_reg4";
 397   case DW_OP_reg5:                       return "DW_OP_reg5";
 398   case DW_OP_reg6:                       return "DW_OP_reg6";
 399   case DW_OP_reg7:                       return "DW_OP_reg7";
 400   case DW_OP_reg8:                       return "DW_OP_reg8";
 401   case DW_OP_reg9:                       return "DW_OP_reg9";
 402   case DW_OP_reg10:                      return "DW_OP_reg10";
 403   case DW_OP_reg11:                      return "DW_OP_reg11";
 404   case DW_OP_reg12:                      return "DW_OP_reg12";
 405   case DW_OP_reg13:                      return "DW_OP_reg13";
 406   case DW_OP_reg14:                      return "DW_OP_reg14";
 407   case DW_OP_reg15:                      return "DW_OP_reg15";
 408   case DW_OP_reg16:                      return "DW_OP_reg16";
 409   case DW_OP_reg17:                      return "DW_OP_reg17";
 410   case DW_OP_reg18:                      return "DW_OP_reg18";
 411   case DW_OP_reg19:                      return "DW_OP_reg19";
 412   case DW_OP_reg20:                      return "DW_OP_reg20";
 413   case DW_OP_reg21:                      return "DW_OP_reg21";
 414   case DW_OP_reg22:                      return "DW_OP_reg22";
 415   case DW_OP_reg23:                      return "DW_OP_reg23";
 416   case DW_OP_reg24:                      return "DW_OP_reg24";
 417   case DW_OP_reg25:                      return "DW_OP_reg25";
 418   case DW_OP_reg26:                      return "DW_OP_reg26";
 419   case DW_OP_reg27:                      return "DW_OP_reg27";
 420   case DW_OP_reg28:                      return "DW_OP_reg28";
 421   case DW_OP_reg29:                      return "DW_OP_reg29";
 422   case DW_OP_reg30:                      return "DW_OP_reg30";
 423   case DW_OP_reg31:                      return "DW_OP_reg31";
 424   case DW_OP_breg0:                      return "DW_OP_breg0";
 425   case DW_OP_breg1:                      return "DW_OP_breg1";
 426   case DW_OP_breg2:                      return "DW_OP_breg2";
 427   case DW_OP_breg3:                      return "DW_OP_breg3";
 428   case DW_OP_breg4:                      return "DW_OP_breg4";
 429   case DW_OP_breg5:                      return "DW_OP_breg5";
 430   case DW_OP_breg6:                      return "DW_OP_breg6";
 431   case DW_OP_breg7:                      return "DW_OP_breg7";
 432   case DW_OP_breg8:                      return "DW_OP_breg8";
 433   case DW_OP_breg9:                      return "DW_OP_breg9";
 434   case DW_OP_breg10:                     return "DW_OP_breg10";
 435   case DW_OP_breg11:                     return "DW_OP_breg11";
 436   case DW_OP_breg12:                     return "DW_OP_breg12";
 437   case DW_OP_breg13:                     return "DW_OP_breg13";
 438   case DW_OP_breg14:                     return "DW_OP_breg14";
 439   case DW_OP_breg15:                     return "DW_OP_breg15";
 440   case DW_OP_breg16:                     return "DW_OP_breg16";
 441   case DW_OP_breg17:                     return "DW_OP_breg17";
 442   case DW_OP_breg18:                     return "DW_OP_breg18";
 443   case DW_OP_breg19:                     return "DW_OP_breg19";
 444   case DW_OP_breg20:                     return "DW_OP_breg20";
 445   case DW_OP_breg21:                     return "DW_OP_breg21";
 446   case DW_OP_breg22:                     return "DW_OP_breg22";
 447   case DW_OP_breg23:                     return "DW_OP_breg23";
 448   case DW_OP_breg24:                     return "DW_OP_breg24";
 449   case DW_OP_breg25:                     return "DW_OP_breg25";
 450   case DW_OP_breg26:                     return "DW_OP_breg26";
 451   case DW_OP_breg27:                     return "DW_OP_breg27";
 452   case DW_OP_breg28:                     return "DW_OP_breg28";
 453   case DW_OP_breg29:                     return "DW_OP_breg29";
 454   case DW_OP_breg30:                     return "DW_OP_breg30";
 455   case DW_OP_breg31:                     return "DW_OP_breg31";
 456   case DW_OP_regx:                       return "DW_OP_regx";
 457   case DW_OP_fbreg:                      return "DW_OP_fbreg";
 458   case DW_OP_bregx:                      return "DW_OP_bregx";
 459   case DW_OP_piece:                      return "DW_OP_piece";
 460   case DW_OP_deref_size:                 return "DW_OP_deref_size";
 461   case DW_OP_xderef_size:                return "DW_OP_xderef_size";
 462   case DW_OP_nop:                        return "DW_OP_nop";
 463   case DW_OP_push_object_address:        return "DW_OP_push_object_address";
 464   case DW_OP_call2:                      return "DW_OP_call2";
 465   case DW_OP_call4:                      return "DW_OP_call4";
 466   case DW_OP_call_ref:                   return "DW_OP_call_ref";
 467   case DW_OP_form_tls_address:           return "DW_OP_form_tls_address";
 468   case DW_OP_call_frame_cfa:             return "DW_OP_call_frame_cfa";
 469   case DW_OP_bit_piece:                  return "DW_OP_bit_piece";
 470   case DW_OP_implicit_value:             return "DW_OP_implicit_value";
 471   case DW_OP_stack_value:                return "DW_OP_stack_value";
 472
 473   // GNU thread-local storage
 474   case DW_OP_GNU_push_tls_address:       return "DW_OP_GNU_push_tls_address";
 475
 476   // DWARF5 Fission Proposal Op Extensions
 477   case DW_OP_GNU_addr_index:             return "DW_OP_GNU_addr_index";
 478   case DW_OP_GNU_const_index:            return "DW_OP_GNU_const_index";
 479   }
 480   return nullptr;
 481 }
 482
 483 /// AttributeEncodingString - Return the string for the specified attribute
 484 /// encoding.
 485 const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
 486   switch (Encoding) {
 487   case DW_ATE_address:                   return "DW_ATE_address";
 488   case DW_ATE_boolean:                   return "DW_ATE_boolean";
 489   case DW_ATE_complex_float:             return "DW_ATE_complex_float";
 490   case DW_ATE_float:                     return "DW_ATE_float";
 491   case DW_ATE_signed:                    return "DW_ATE_signed";
 492   case DW_ATE_signed_char:               return "DW_ATE_signed_char";
 493   case DW_ATE_unsigned:                  return "DW_ATE_unsigned";
 494   case DW_ATE_unsigned_char:             return "DW_ATE_unsigned_char";
 495   case DW_ATE_imaginary_float:           return "DW_ATE_imaginary_float";
 496   case DW_ATE_UTF:                       return "DW_ATE_UTF";
 497   case DW_ATE_packed_decimal:            return "DW_ATE_packed_decimal";
 498   case DW_ATE_numeric_string:            return "DW_ATE_numeric_string";
 499   case DW_ATE_edited:                    return "DW_ATE_edited";
 500   case DW_ATE_signed_fixed:              return "DW_ATE_signed_fixed";
 501   case DW_ATE_unsigned_fixed:            return "DW_ATE_unsigned_fixed";
 502   case DW_ATE_decimal_float:             return "DW_ATE_decimal_float";
 503   case DW_ATE_lo_user:                   return "DW_ATE_lo_user";
 504   case DW_ATE_hi_user:                   return "DW_ATE_hi_user";
 505   }
 506   return nullptr;
 507 }
 508
 509 /// DecimalSignString - Return the string for the specified decimal sign
 510 /// attribute.
 511 const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
 512   switch (Sign) {
 513   case DW_DS_unsigned:                   return "DW_DS_unsigned";
 514   case DW_DS_leading_overpunch:          return "DW_DS_leading_overpunch";
 515   case DW_DS_trailing_overpunch:         return "DW_DS_trailing_overpunch";
 516   case DW_DS_leading_separate:           return "DW_DS_leading_separate";
 517   case DW_DS_trailing_separate:          return "DW_DS_trailing_separate";
 518   }
 519   return nullptr;
 520 }
 521
 522 /// EndianityString - Return the string for the specified endianity.
 523 ///
 524 const char *llvm::dwarf::EndianityString(unsigned Endian) {
 525   switch (Endian) {
 526   case DW_END_default:                   return "DW_END_default";
 527   case DW_END_big:                       return "DW_END_big";
 528   case DW_END_little:                    return "DW_END_little";
 529   case DW_END_lo_user:                   return "DW_END_lo_user";
 530   case DW_END_hi_user:                   return "DW_END_hi_user";
 531   }
 532   return nullptr;
 533 }
 534
 535 /// AccessibilityString - Return the string for the specified accessibility.
 536 ///
 537 const char *llvm::dwarf::AccessibilityString(unsigned Access) {
 538   switch (Access) {
 539   // Accessibility codes
 540   case DW_ACCESS_public:                 return "DW_ACCESS_public";
 541   case DW_ACCESS_protected:              return "DW_ACCESS_protected";
 542   case DW_ACCESS_private:                return "DW_ACCESS_private";
 543   }
 544   return nullptr;
 545 }
 546
 547 /// VisibilityString - Return the string for the specified visibility.
 548 ///
 549 const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
 550   switch (Visibility) {
 551   case DW_VIS_local:                     return "DW_VIS_local";
 552   case DW_VIS_exported:                  return "DW_VIS_exported";
 553   case DW_VIS_qualified:                 return "DW_VIS_qualified";
 554   }
 555   return nullptr;
 556 }
 557
 558 /// VirtualityString - Return the string for the specified virtuality.
 559 ///
 560 const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
 561   switch (Virtuality) {
 562   case DW_VIRTUALITY_none:               return "DW_VIRTUALITY_none";
 563   case DW_VIRTUALITY_virtual:            return "DW_VIRTUALITY_virtual";
 564   case DW_VIRTUALITY_pure_virtual:       return "DW_VIRTUALITY_pure_virtual";
 565   }
 566   return nullptr;
 567 }
 568
 569 /// LanguageString - Return the string for the specified language.
 570 ///
 571 const char *llvm::dwarf::LanguageString(unsigned Language) {
 572   switch (Language) {
 573   case DW_LANG_C89:                      return "DW_LANG_C89";
 574   case DW_LANG_C:                        return "DW_LANG_C";
 575   case DW_LANG_Ada83:                    return "DW_LANG_Ada83";
 576   case DW_LANG_C_plus_plus:              return "DW_LANG_C_plus_plus";
 577   case DW_LANG_Cobol74:                  return "DW_LANG_Cobol74";
 578   case DW_LANG_Cobol85:                  return "DW_LANG_Cobol85";
 579   case DW_LANG_Fortran77:                return "DW_LANG_Fortran77";
 580   case DW_LANG_Fortran90:                return "DW_LANG_Fortran90";
 581   case DW_LANG_Pascal83:                 return "DW_LANG_Pascal83";
 582   case DW_LANG_Modula2:                  return "DW_LANG_Modula2";
 583   case DW_LANG_Java:                     return "DW_LANG_Java";
 584   case DW_LANG_C99:                      return "DW_LANG_C99";
 585   case DW_LANG_Ada95:                    return "DW_LANG_Ada95";
 586   case DW_LANG_Fortran95:                return "DW_LANG_Fortran95";
 587   case DW_LANG_PLI:                      return "DW_LANG_PLI";
 588   case DW_LANG_ObjC:                     return "DW_LANG_ObjC";
 589   case DW_LANG_ObjC_plus_plus:           return "DW_LANG_ObjC_plus_plus";
 590   case DW_LANG_UPC:                      return "DW_LANG_UPC";
 591   case DW_LANG_D:                        return "DW_LANG_D";
 592   case DW_LANG_Python:                   return "DW_LANG_Python";
 593   case DW_LANG_OpenCL:                   return "DW_LANG_OpenCL";
 594   case DW_LANG_Go:                       return "DW_LANG_Go";
 595   case DW_LANG_Modula3:                  return "DW_LANG_Modula3";
 596   case DW_LANG_Haskell:                  return "DW_LANG_Haskell";
 597   case DW_LANG_C_plus_plus_03:           return "DW_LANG_C_plus_plus_03";
 598   case DW_LANG_C_plus_plus_11:           return "DW_LANG_C_plus_plus_11";
 599   case DW_LANG_OCaml:                    return "DW_LANG_OCaml";
 600   case DW_LANG_lo_user:                  return "DW_LANG_lo_user";
 601   case DW_LANG_hi_user:                  return "DW_LANG_hi_user";
 602   }
 603   return nullptr;
 604 }
 605
 606 /// CaseString - Return the string for the specified identifier case.
 607 ///
 608 const char *llvm::dwarf::CaseString(unsigned Case) {
 609   switch (Case) {
 610   case DW_ID_case_sensitive:             return "DW_ID_case_sensitive";
 611   case DW_ID_up_case:                    return "DW_ID_up_case";
 612   case DW_ID_down_case:                  return "DW_ID_down_case";
 613   case DW_ID_case_insensitive:           return "DW_ID_case_insensitive";
 614   }
 615   return nullptr;
 616 }
 617
 618 /// ConventionString - Return the string for the specified calling convention.
 619 ///
 620 const char *llvm::dwarf::ConventionString(unsigned Convention) {
 621    switch (Convention) {
 622    case DW_CC_normal:                     return "DW_CC_normal";
 623    case DW_CC_program:                    return "DW_CC_program";
 624    case DW_CC_nocall:                     return "DW_CC_nocall";
 625    case DW_CC_lo_user:                    return "DW_CC_lo_user";
 626    case DW_CC_hi_user:                    return "DW_CC_hi_user";
 627   }
 628   return nullptr;
 629 }
 630
 631 /// InlineCodeString - Return the string for the specified inline code.
 632 ///
 633 const char *llvm::dwarf::InlineCodeString(unsigned Code) {
 634   switch (Code) {
 635   case DW_INL_not_inlined:               return "DW_INL_not_inlined";
 636   case DW_INL_inlined:                   return "DW_INL_inlined";
 637   case DW_INL_declared_not_inlined:      return "DW_INL_declared_not_inlined";
 638   case DW_INL_declared_inlined:          return "DW_INL_declared_inlined";
 639   }
 640   return nullptr;
 641 }
 642
 643 /// ArrayOrderString - Return the string for the specified array order.
 644 ///
 645 const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
 646   switch (Order) {
 647   case DW_ORD_row_major:                 return "DW_ORD_row_major";
 648   case DW_ORD_col_major:                 return "DW_ORD_col_major";
 649   }
 650   return nullptr;
 651 }
 652
 653 /// DiscriminantString - Return the string for the specified discriminant
 654 /// descriptor.
 655 const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
 656   switch (Discriminant) {
 657   case DW_DSC_label:                     return "DW_DSC_label";
 658   case DW_DSC_range:                     return "DW_DSC_range";
 659   }
 660   return nullptr;
 661 }
 662
 663 /// LNStandardString - Return the string for the specified line number standard.
 664 ///
 665 const char *llvm::dwarf::LNStandardString(unsigned Standard) {
 666   switch (Standard) {
 667   case DW_LNS_copy:                      return "DW_LNS_copy";
 668   case DW_LNS_advance_pc:                return "DW_LNS_advance_pc";
 669   case DW_LNS_advance_line:              return "DW_LNS_advance_line";
 670   case DW_LNS_set_file:                  return "DW_LNS_set_file";
 671   case DW_LNS_set_column:                return "DW_LNS_set_column";
 672   case DW_LNS_negate_stmt:               return "DW_LNS_negate_stmt";
 673   case DW_LNS_set_basic_block:           return "DW_LNS_set_basic_block";
 674   case DW_LNS_const_add_pc:              return "DW_LNS_const_add_pc";
 675   case DW_LNS_fixed_advance_pc:          return "DW_LNS_fixed_advance_pc";
 676   case DW_LNS_set_prologue_end:          return "DW_LNS_set_prologue_end";
 677   case DW_LNS_set_epilogue_begin:        return "DW_LNS_set_epilogue_begin";
 678   case DW_LNS_set_isa:                   return "DW_LNS_set_isa";
 679   }
 680   return nullptr;
 681 }
 682
 683 /// LNExtendedString - Return the string for the specified line number extended
 684 /// opcode encodings.
 685 const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
 686   switch (Encoding) {
 687   // Line Number Extended Opcode Encodings
 688   case DW_LNE_end_sequence:              return "DW_LNE_end_sequence";
 689   case DW_LNE_set_address:               return "DW_LNE_set_address";
 690   case DW_LNE_define_file:               return "DW_LNE_define_file";
 691   case DW_LNE_set_discriminator:         return "DW_LNE_set_discriminator";
 692   case DW_LNE_lo_user:                   return "DW_LNE_lo_user";
 693   case DW_LNE_hi_user:                   return "DW_LNE_hi_user";
 694   }
 695   return nullptr;
 696 }
 697
 698 /// MacinfoString - Return the string for the specified macinfo type encodings.
 699 ///
 700 const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
 701   switch (Encoding) {
 702   // Macinfo Type Encodings
 703   case DW_MACINFO_define:                return "DW_MACINFO_define";
 704   case DW_MACINFO_undef:                 return "DW_MACINFO_undef";
 705   case DW_MACINFO_start_file:            return "DW_MACINFO_start_file";
 706   case DW_MACINFO_end_file:              return "DW_MACINFO_end_file";
 707   case DW_MACINFO_vendor_ext:            return "DW_MACINFO_vendor_ext";
 708   }
 709   return nullptr;
 710 }
 711
 712 /// CallFrameString - Return the string for the specified call frame instruction
 713 /// encodings.
 714 const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
 715   switch (Encoding) {
 716   case DW_CFA_nop:                       return "DW_CFA_nop";
 717   case DW_CFA_advance_loc:               return "DW_CFA_advance_loc";
 718   case DW_CFA_offset:                    return "DW_CFA_offset";
 719   case DW_CFA_restore:                   return "DW_CFA_restore";
 720   case DW_CFA_set_loc:                   return "DW_CFA_set_loc";
 721   case DW_CFA_advance_loc1:              return "DW_CFA_advance_loc1";
 722   case DW_CFA_advance_loc2:              return "DW_CFA_advance_loc2";
 723   case DW_CFA_advance_loc4:              return "DW_CFA_advance_loc4";
 724   case DW_CFA_offset_extended:           return "DW_CFA_offset_extended";
 725   case DW_CFA_restore_extended:          return "DW_CFA_restore_extended";
 726   case DW_CFA_undefined:                 return "DW_CFA_undefined";
 727   case DW_CFA_same_value:                return "DW_CFA_same_value";
 728   case DW_CFA_register:                  return "DW_CFA_register";
 729   case DW_CFA_remember_state:            return "DW_CFA_remember_state";
 730   case DW_CFA_restore_state:             return "DW_CFA_restore_state";
 731   case DW_CFA_def_cfa:                   return "DW_CFA_def_cfa";
 732   case DW_CFA_def_cfa_register:          return "DW_CFA_def_cfa_register";
 733   case DW_CFA_def_cfa_offset:            return "DW_CFA_def_cfa_offset";
 734   case DW_CFA_def_cfa_expression:        return "DW_CFA_def_cfa_expression";
 735   case DW_CFA_expression:                return "DW_CFA_expression";
 736   case DW_CFA_offset_extended_sf:        return "DW_CFA_offset_extended_sf";
 737   case DW_CFA_def_cfa_sf:                return "DW_CFA_def_cfa_sf";
 738   case DW_CFA_def_cfa_offset_sf:         return "DW_CFA_def_cfa_offset_sf";
 739   case DW_CFA_val_offset:                return "DW_CFA_val_offset";
 740   case DW_CFA_val_offset_sf:             return "DW_CFA_val_offset_sf";
 741   case DW_CFA_val_expression:            return "DW_CFA_val_expression";
 742   case DW_CFA_MIPS_advance_loc8:         return "DW_CFA_MIPS_advance_loc8";
 743   case DW_CFA_GNU_window_save:           return "DW_CFA_GNU_window_save";
 744   case DW_CFA_GNU_args_size:             return "DW_CFA_GNU_args_size";
 745   case DW_CFA_lo_user:                   return "DW_CFA_lo_user";
 746   case DW_CFA_hi_user:                   return "DW_CFA_hi_user";
 747   }
 748   return nullptr;
 749 }
 750
 751 const char *llvm::dwarf::AtomTypeString(unsigned AT) {
 752   switch (AT) {
 753   case dwarf::DW_ATOM_null:
 754     return "DW_ATOM_null";
 755   case dwarf::DW_ATOM_die_offset:
 756     return "DW_ATOM_die_offset";
 757   case DW_ATOM_cu_offset:
 758     return "DW_ATOM_cu_offset";
 759   case DW_ATOM_die_tag:
 760     return "DW_ATOM_die_tag";
 761   case DW_ATOM_type_flags:
 762     return "DW_ATOM_type_flags";
 763   }
 764   return nullptr;
 765 }
 766
 767 const char *llvm::dwarf::GDBIndexEntryKindString(GDBIndexEntryKind Kind) {
 768   switch (Kind) {
 769   case GIEK_NONE:
 770     return "NONE";
 771   case GIEK_TYPE:
 772     return "TYPE";
 773   case GIEK_VARIABLE:
 774     return "VARIABLE";
 775   case GIEK_FUNCTION:
 776     return "FUNCTION";
 777   case GIEK_OTHER:
 778     return "OTHER";
 779   case GIEK_UNUSED5:
 780     return "UNUSED5";
 781   case GIEK_UNUSED6:
 782     return "UNUSED6";
 783   case GIEK_UNUSED7:
 784     return "UNUSED7";
 785   }
 786   llvm_unreachable("Unknown GDBIndexEntryKind value");
 787 }
 788
 789 const char *llvm::dwarf::GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage) {
 790   switch (Linkage) {
 791   case GIEL_EXTERNAL:
 792     return "EXTERNAL";
 793   case GIEL_STATIC:
 794     return "STATIC";
 795   }
 796   llvm_unreachable("Unknown GDBIndexEntryLinkage value");
 797 }