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/ADT/StringSwitch.h"
  16 #include "llvm/Support/ErrorHandling.h"
  17
  18 using namespace llvm;
  19 using namespace dwarf;
  20
  21 const char *llvm::dwarf::TagString(unsigned Tag) {
  22   switch (Tag) {
  23   default: return nullptr;
  24 #define HANDLE_DW_TAG(ID, NAME)                                                \
  25   case DW_TAG_##NAME:                                                          \
  26     return "DW_TAG_" #NAME;
  27 #include "llvm/Support/Dwarf.def"
  28   }
  29 }
  30
  31 unsigned llvm::dwarf::getTag(StringRef TagString) {
  32   return StringSwitch<unsigned>(TagString)
  33 #define HANDLE_DW_TAG(ID, NAME) .Case("DW_TAG_" #NAME, DW_TAG_##NAME)
  34 #include "llvm/Support/Dwarf.def"
  35       .Default(DW_TAG_invalid);
  36 }
  37
  38 const char *llvm::dwarf::ChildrenString(unsigned Children) {
  39   switch (Children) {
  40   case DW_CHILDREN_no:                   return "DW_CHILDREN_no";
  41   case DW_CHILDREN_yes:                  return "DW_CHILDREN_yes";
  42   }
  43   return nullptr;
  44 }
  45
  46 const char *llvm::dwarf::AttributeString(unsigned Attribute) {
  47   switch (Attribute) {
  48   case DW_AT_sibling:                    return "DW_AT_sibling";
  49   case DW_AT_location:                   return "DW_AT_location";
  50   case DW_AT_name:                       return "DW_AT_name";
  51   case DW_AT_ordering:                   return "DW_AT_ordering";
  52   case DW_AT_byte_size:                  return "DW_AT_byte_size";
  53   case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
  54   case DW_AT_bit_size:                   return "DW_AT_bit_size";
  55   case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
  56   case DW_AT_low_pc:                     return "DW_AT_low_pc";
  57   case DW_AT_high_pc:                    return "DW_AT_high_pc";
  58   case DW_AT_language:                   return "DW_AT_language";
  59   case DW_AT_discr:                      return "DW_AT_discr";
  60   case DW_AT_discr_value:                return "DW_AT_discr_value";
  61   case DW_AT_visibility:                 return "DW_AT_visibility";
  62   case DW_AT_import:                     return "DW_AT_import";
  63   case DW_AT_string_length:              return "DW_AT_string_length";
  64   case DW_AT_common_reference:           return "DW_AT_common_reference";
  65   case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
  66   case DW_AT_const_value:                return "DW_AT_const_value";
  67   case DW_AT_containing_type:            return "DW_AT_containing_type";
  68   case DW_AT_default_value:              return "DW_AT_default_value";
  69   case DW_AT_inline:                     return "DW_AT_inline";
  70   case DW_AT_is_optional:                return "DW_AT_is_optional";
  71   case DW_AT_lower_bound:                return "DW_AT_lower_bound";
  72   case DW_AT_producer:                   return "DW_AT_producer";
  73   case DW_AT_prototyped:                 return "DW_AT_prototyped";
  74   case DW_AT_return_addr:                return "DW_AT_return_addr";
  75   case DW_AT_start_scope:                return "DW_AT_start_scope";
  76   case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
  77   case DW_AT_upper_bound:                return "DW_AT_upper_bound";
  78   case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
  79   case DW_AT_accessibility:              return "DW_AT_accessibility";
  80   case DW_AT_address_class:              return "DW_AT_address_class";
  81   case DW_AT_artificial:                 return "DW_AT_artificial";
  82   case DW_AT_base_types:                 return "DW_AT_base_types";
  83   case DW_AT_calling_convention:         return "DW_AT_calling_convention";
  84   case DW_AT_count:                      return "DW_AT_count";
  85   case DW_AT_data_member_location:       return "DW_AT_data_member_location";
  86   case DW_AT_decl_column:                return "DW_AT_decl_column";
  87   case DW_AT_decl_file:                  return "DW_AT_decl_file";
  88   case DW_AT_decl_line:                  return "DW_AT_decl_line";
  89   case DW_AT_declaration:                return "DW_AT_declaration";
  90   case DW_AT_discr_list:                 return "DW_AT_discr_list";
  91   case DW_AT_encoding:                   return "DW_AT_encoding";
  92   case DW_AT_external:                   return "DW_AT_external";
  93   case DW_AT_frame_base:                 return "DW_AT_frame_base";
  94   case DW_AT_friend:                     return "DW_AT_friend";
  95   case DW_AT_identifier_case:            return "DW_AT_identifier_case";
  96   case DW_AT_macro_info:                 return "DW_AT_macro_info";
  97   case DW_AT_namelist_item:              return "DW_AT_namelist_item";
  98   case DW_AT_priority:                   return "DW_AT_priority";
  99   case DW_AT_segment:                    return "DW_AT_segment";
 100   case DW_AT_specification:              return "DW_AT_specification";
 101   case DW_AT_static_link:                return "DW_AT_static_link";
 102   case DW_AT_type:                       return "DW_AT_type";
 103   case DW_AT_use_location:               return "DW_AT_use_location";
 104   case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
 105   case DW_AT_virtuality:                 return "DW_AT_virtuality";
 106   case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
 107   case DW_AT_allocated:                  return "DW_AT_allocated";
 108   case DW_AT_associated:                 return "DW_AT_associated";
 109   case DW_AT_data_location:              return "DW_AT_data_location";
 110   case DW_AT_byte_stride:                return "DW_AT_byte_stride";
 111   case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
 112   case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
 113   case DW_AT_extension:                  return "DW_AT_extension";
 114   case DW_AT_ranges:                     return "DW_AT_ranges";
 115   case DW_AT_trampoline:                 return "DW_AT_trampoline";
 116   case DW_AT_call_column:                return "DW_AT_call_column";
 117   case DW_AT_call_file:                  return "DW_AT_call_file";
 118   case DW_AT_call_line:                  return "DW_AT_call_line";
 119   case DW_AT_description:                return "DW_AT_description";
 120   case DW_AT_binary_scale:               return "DW_AT_binary_scale";
 121   case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
 122   case DW_AT_small:                      return "DW_AT_small";
 123   case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
 124   case DW_AT_digit_count:                return "DW_AT_digit_count";
 125   case DW_AT_picture_string:             return "DW_AT_picture_string";
 126   case DW_AT_mutable:                    return "DW_AT_mutable";
 127   case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
 128   case DW_AT_explicit:                   return "DW_AT_explicit";
 129   case DW_AT_object_pointer:             return "DW_AT_object_pointer";
 130   case DW_AT_endianity:                  return "DW_AT_endianity";
 131   case DW_AT_elemental:                  return "DW_AT_elemental";
 132   case DW_AT_pure:                       return "DW_AT_pure";
 133   case DW_AT_recursive:                  return "DW_AT_recursive";
 134   case DW_AT_signature:                  return "DW_AT_signature";
 135   case DW_AT_main_subprogram:            return "DW_AT_main_subprogram";
 136   case DW_AT_data_bit_offset:            return "DW_AT_data_bit_offset";
 137   case DW_AT_const_expr:                 return "DW_AT_const_expr";
 138   case DW_AT_enum_class:                 return "DW_AT_enum_class";
 139   case DW_AT_linkage_name:               return "DW_AT_linkage_name";
 140   case DW_AT_string_length_bit_size:     return "DW_AT_string_length_bit_size";
 141   case DW_AT_string_length_byte_size:    return "DW_AT_string_length_byte_size";
 142   case DW_AT_rank:                       return "DW_AT_rank";
 143   case DW_AT_str_offsets_base:           return "DW_AT_str_offsets_base";
 144   case DW_AT_addr_base:                  return "DW_AT_addr_base";
 145   case DW_AT_ranges_base:                return "DW_AT_ranges_base";
 146   case DW_AT_dwo_id:                     return "DW_AT_dwo_id";
 147   case DW_AT_dwo_name:                   return "DW_AT_dwo_name";
 148   case DW_AT_reference:                  return "DW_AT_reference";
 149   case DW_AT_rvalue_reference:           return "DW_AT_rvalue_reference";
 150   case DW_AT_MIPS_loop_begin:            return "DW_AT_MIPS_loop_begin";
 151   case DW_AT_MIPS_tail_loop_begin:       return "DW_AT_MIPS_tail_loop_begin";
 152   case DW_AT_MIPS_epilog_begin:          return "DW_AT_MIPS_epilog_begin";
 153   case DW_AT_MIPS_loop_unroll_factor:    return "DW_AT_MIPS_loop_unroll_factor";
 154   case DW_AT_MIPS_software_pipeline_depth:
 155     return "DW_AT_MIPS_software_pipeline_depth";
 156   case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
 157   case DW_AT_MIPS_stride:                return "DW_AT_MIPS_stride";
 158   case DW_AT_MIPS_abstract_name:         return "DW_AT_MIPS_abstract_name";
 159   case DW_AT_MIPS_clone_origin:          return "DW_AT_MIPS_clone_origin";
 160   case DW_AT_MIPS_has_inlines:           return "DW_AT_MIPS_has_inlines";
 161   case DW_AT_MIPS_stride_byte:           return "DW_AT_MIPS_stride_byte";
 162   case DW_AT_MIPS_stride_elem:           return "DW_AT_MIPS_stride_elem";
 163   case DW_AT_MIPS_ptr_dopetype:          return "DW_AT_MIPS_ptr_dopetype";
 164   case DW_AT_MIPS_allocatable_dopetype:
 165     return "DW_AT_MIPS_allocatable_dopetype";
 166   case DW_AT_MIPS_assumed_shape_dopetype:
 167     return "DW_AT_MIPS_assumed_shape_dopetype";
 168   case DW_AT_sf_names:                   return "DW_AT_sf_names";
 169   case DW_AT_src_info:                   return "DW_AT_src_info";
 170   case DW_AT_mac_info:                   return "DW_AT_mac_info";
 171   case DW_AT_src_coords:                 return "DW_AT_src_coords";
 172   case DW_AT_body_begin:                 return "DW_AT_body_begin";
 173   case DW_AT_body_end:                   return "DW_AT_body_end";
 174   case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
 175   case DW_AT_GNU_template_name:          return "DW_AT_GNU_template_name";
 176   case DW_AT_GNU_odr_signature:          return "DW_AT_GNU_odr_signature";
 177   case DW_AT_MIPS_assumed_size:          return "DW_AT_MIPS_assumed_size";
 178   case DW_AT_lo_user:                    return "DW_AT_lo_user";
 179   case DW_AT_hi_user:                    return "DW_AT_hi_user";
 180   case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
 181   case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
 182   case DW_AT_APPLE_isa:                  return "DW_AT_APPLE_isa";
 183   case DW_AT_APPLE_block:                return "DW_AT_APPLE_block";
 184   case DW_AT_APPLE_major_runtime_vers:   return "DW_AT_APPLE_major_runtime_vers";
 185   case DW_AT_APPLE_runtime_class:        return "DW_AT_APPLE_runtime_class";
 186   case DW_AT_APPLE_omit_frame_ptr:       return "DW_AT_APPLE_omit_frame_ptr";
 187   case DW_AT_APPLE_property_name:        return "DW_AT_APPLE_property_name";
 188   case DW_AT_APPLE_property_getter:      return "DW_AT_APPLE_property_getter";
 189   case DW_AT_APPLE_property_setter:      return "DW_AT_APPLE_property_setter";
 190   case DW_AT_APPLE_property_attribute:   return "DW_AT_APPLE_property_attribute";
 191   case DW_AT_APPLE_property:             return "DW_AT_APPLE_property";
 192   case DW_AT_APPLE_objc_complete_type:   return "DW_AT_APPLE_objc_complete_type";
 193
 194     // DWARF5 Fission Extension Attribute
 195   case DW_AT_GNU_dwo_name:               return "DW_AT_GNU_dwo_name";
 196   case DW_AT_GNU_dwo_id:                 return "DW_AT_GNU_dwo_id";
 197   case DW_AT_GNU_ranges_base:            return "DW_AT_GNU_ranges_base";
 198   case DW_AT_GNU_addr_base:              return "DW_AT_GNU_addr_base";
 199   case DW_AT_GNU_pubnames:               return "DW_AT_GNU_pubnames";
 200   case DW_AT_GNU_pubtypes:               return "DW_AT_GNU_pubtypes";
 201   }
 202   return nullptr;
 203 }
 204
 205 const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
 206   switch (Encoding) {
 207   case DW_FORM_addr:                     return "DW_FORM_addr";
 208   case DW_FORM_block2:                   return "DW_FORM_block2";
 209   case DW_FORM_block4:                   return "DW_FORM_block4";
 210   case DW_FORM_data2:                    return "DW_FORM_data2";
 211   case DW_FORM_data4:                    return "DW_FORM_data4";
 212   case DW_FORM_data8:                    return "DW_FORM_data8";
 213   case DW_FORM_string:                   return "DW_FORM_string";
 214   case DW_FORM_block:                    return "DW_FORM_block";
 215   case DW_FORM_block1:                   return "DW_FORM_block1";
 216   case DW_FORM_data1:                    return "DW_FORM_data1";
 217   case DW_FORM_flag:                     return "DW_FORM_flag";
 218   case DW_FORM_sdata:                    return "DW_FORM_sdata";
 219   case DW_FORM_strp:                     return "DW_FORM_strp";
 220   case DW_FORM_udata:                    return "DW_FORM_udata";
 221   case DW_FORM_ref_addr:                 return "DW_FORM_ref_addr";
 222   case DW_FORM_ref1:                     return "DW_FORM_ref1";
 223   case DW_FORM_ref2:                     return "DW_FORM_ref2";
 224   case DW_FORM_ref4:                     return "DW_FORM_ref4";
 225   case DW_FORM_ref8:                     return "DW_FORM_ref8";
 226   case DW_FORM_ref_udata:                return "DW_FORM_ref_udata";
 227   case DW_FORM_indirect:                 return "DW_FORM_indirect";
 228   case DW_FORM_sec_offset:               return "DW_FORM_sec_offset";
 229   case DW_FORM_exprloc:                  return "DW_FORM_exprloc";
 230   case DW_FORM_flag_present:             return "DW_FORM_flag_present";
 231   case DW_FORM_ref_sig8:                 return "DW_FORM_ref_sig8";
 232
 233     // DWARF5 Fission Extension Forms
 234   case DW_FORM_GNU_addr_index:           return "DW_FORM_GNU_addr_index";
 235   case DW_FORM_GNU_str_index:            return "DW_FORM_GNU_str_index";
 236   }
 237   return nullptr;
 238 }
 239
 240 const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
 241   switch (Encoding) {
 242   default: return nullptr;
 243 #define HANDLE_DW_OP(ID, NAME)                                                 \
 244   case DW_OP_##NAME:                                                           \
 245     return "DW_OP_" #NAME;
 246 #include "llvm/Support/Dwarf.def"
 247   }
 248 }
 249
 250 const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
 251   switch (Encoding) {
 252   default: return nullptr;
 253 #define HANDLE_DW_ATE(ID, NAME)                                                \
 254   case DW_ATE_##NAME:                                                          \
 255     return "DW_ATE_" #NAME;
 256 #include "llvm/Support/Dwarf.def"
 257   }
 258 }
 259
 260 unsigned llvm::dwarf::getAttributeEncoding(StringRef EncodingString) {
 261   return StringSwitch<unsigned>(EncodingString)
 262 #define HANDLE_DW_ATE(ID, NAME) .Case("DW_ATE_" #NAME, DW_ATE_##NAME)
 263 #include "llvm/Support/Dwarf.def"
 264       .Default(0);
 265 }
 266
 267 const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
 268   switch (Sign) {
 269   case DW_DS_unsigned:                   return "DW_DS_unsigned";
 270   case DW_DS_leading_overpunch:          return "DW_DS_leading_overpunch";
 271   case DW_DS_trailing_overpunch:         return "DW_DS_trailing_overpunch";
 272   case DW_DS_leading_separate:           return "DW_DS_leading_separate";
 273   case DW_DS_trailing_separate:          return "DW_DS_trailing_separate";
 274   }
 275   return nullptr;
 276 }
 277
 278 const char *llvm::dwarf::EndianityString(unsigned Endian) {
 279   switch (Endian) {
 280   case DW_END_default:                   return "DW_END_default";
 281   case DW_END_big:                       return "DW_END_big";
 282   case DW_END_little:                    return "DW_END_little";
 283   case DW_END_lo_user:                   return "DW_END_lo_user";
 284   case DW_END_hi_user:                   return "DW_END_hi_user";
 285   }
 286   return nullptr;
 287 }
 288
 289 const char *llvm::dwarf::AccessibilityString(unsigned Access) {
 290   switch (Access) {
 291   // Accessibility codes
 292   case DW_ACCESS_public:                 return "DW_ACCESS_public";
 293   case DW_ACCESS_protected:              return "DW_ACCESS_protected";
 294   case DW_ACCESS_private:                return "DW_ACCESS_private";
 295   }
 296   return nullptr;
 297 }
 298
 299 const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
 300   switch (Visibility) {
 301   case DW_VIS_local:                     return "DW_VIS_local";
 302   case DW_VIS_exported:                  return "DW_VIS_exported";
 303   case DW_VIS_qualified:                 return "DW_VIS_qualified";
 304   }
 305   return nullptr;
 306 }
 307
 308 const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
 309   switch (Virtuality) {
 310   default:
 311     return nullptr;
 312 #define HANDLE_DW_VIRTUALITY(ID, NAME)                                         \
 313   case DW_VIRTUALITY_##NAME:                                                   \
 314     return "DW_VIRTUALITY_" #NAME;
 315 #include "llvm/Support/Dwarf.def"
 316   }
 317 }
 318
 319 unsigned llvm::dwarf::getVirtuality(StringRef VirtualityString) {
 320   return StringSwitch<unsigned>(VirtualityString)
 321 #define HANDLE_DW_VIRTUALITY(ID, NAME)                                         \
 322   .Case("DW_VIRTUALITY_" #NAME, DW_VIRTUALITY_##NAME)
 323 #include "llvm/Support/Dwarf.def"
 324       .Default(DW_VIRTUALITY_invalid);
 325 }
 326
 327 const char *llvm::dwarf::LanguageString(unsigned Language) {
 328   switch (Language) {
 329   default:
 330     return nullptr;
 331 #define HANDLE_DW_LANG(ID, NAME)                                               \
 332   case DW_LANG_##NAME:                                                         \
 333     return "DW_LANG_" #NAME;
 334 #include "llvm/Support/Dwarf.def"
 335   }
 336 }
 337
 338 unsigned llvm::dwarf::getLanguage(StringRef LanguageString) {
 339   return StringSwitch<unsigned>(LanguageString)
 340 #define HANDLE_DW_LANG(ID, NAME) .Case("DW_LANG_" #NAME, DW_LANG_##NAME)
 341 #include "llvm/Support/Dwarf.def"
 342       .Default(0);
 343 }
 344
 345 const char *llvm::dwarf::CaseString(unsigned Case) {
 346   switch (Case) {
 347   case DW_ID_case_sensitive:             return "DW_ID_case_sensitive";
 348   case DW_ID_up_case:                    return "DW_ID_up_case";
 349   case DW_ID_down_case:                  return "DW_ID_down_case";
 350   case DW_ID_case_insensitive:           return "DW_ID_case_insensitive";
 351   }
 352   return nullptr;
 353 }
 354
 355 const char *llvm::dwarf::ConventionString(unsigned Convention) {
 356    switch (Convention) {
 357    case DW_CC_normal:                     return "DW_CC_normal";
 358    case DW_CC_program:                    return "DW_CC_program";
 359    case DW_CC_nocall:                     return "DW_CC_nocall";
 360    case DW_CC_lo_user:                    return "DW_CC_lo_user";
 361    case DW_CC_hi_user:                    return "DW_CC_hi_user";
 362   }
 363   return nullptr;
 364 }
 365
 366 const char *llvm::dwarf::InlineCodeString(unsigned Code) {
 367   switch (Code) {
 368   case DW_INL_not_inlined:               return "DW_INL_not_inlined";
 369   case DW_INL_inlined:                   return "DW_INL_inlined";
 370   case DW_INL_declared_not_inlined:      return "DW_INL_declared_not_inlined";
 371   case DW_INL_declared_inlined:          return "DW_INL_declared_inlined";
 372   }
 373   return nullptr;
 374 }
 375
 376 const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
 377   switch (Order) {
 378   case DW_ORD_row_major:                 return "DW_ORD_row_major";
 379   case DW_ORD_col_major:                 return "DW_ORD_col_major";
 380   }
 381   return nullptr;
 382 }
 383
 384 const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
 385   switch (Discriminant) {
 386   case DW_DSC_label:                     return "DW_DSC_label";
 387   case DW_DSC_range:                     return "DW_DSC_range";
 388   }
 389   return nullptr;
 390 }
 391
 392 const char *llvm::dwarf::LNStandardString(unsigned Standard) {
 393   switch (Standard) {
 394   case DW_LNS_copy:                      return "DW_LNS_copy";
 395   case DW_LNS_advance_pc:                return "DW_LNS_advance_pc";
 396   case DW_LNS_advance_line:              return "DW_LNS_advance_line";
 397   case DW_LNS_set_file:                  return "DW_LNS_set_file";
 398   case DW_LNS_set_column:                return "DW_LNS_set_column";
 399   case DW_LNS_negate_stmt:               return "DW_LNS_negate_stmt";
 400   case DW_LNS_set_basic_block:           return "DW_LNS_set_basic_block";
 401   case DW_LNS_const_add_pc:              return "DW_LNS_const_add_pc";
 402   case DW_LNS_fixed_advance_pc:          return "DW_LNS_fixed_advance_pc";
 403   case DW_LNS_set_prologue_end:          return "DW_LNS_set_prologue_end";
 404   case DW_LNS_set_epilogue_begin:        return "DW_LNS_set_epilogue_begin";
 405   case DW_LNS_set_isa:                   return "DW_LNS_set_isa";
 406   }
 407   return nullptr;
 408 }
 409
 410 const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
 411   switch (Encoding) {
 412   // Line Number Extended Opcode Encodings
 413   case DW_LNE_end_sequence:              return "DW_LNE_end_sequence";
 414   case DW_LNE_set_address:               return "DW_LNE_set_address";
 415   case DW_LNE_define_file:               return "DW_LNE_define_file";
 416   case DW_LNE_set_discriminator:         return "DW_LNE_set_discriminator";
 417   case DW_LNE_lo_user:                   return "DW_LNE_lo_user";
 418   case DW_LNE_hi_user:                   return "DW_LNE_hi_user";
 419   }
 420   return nullptr;
 421 }
 422
 423 const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
 424   switch (Encoding) {
 425   // Macinfo Type Encodings
 426   case DW_MACINFO_define:                return "DW_MACINFO_define";
 427   case DW_MACINFO_undef:                 return "DW_MACINFO_undef";
 428   case DW_MACINFO_start_file:            return "DW_MACINFO_start_file";
 429   case DW_MACINFO_end_file:              return "DW_MACINFO_end_file";
 430   case DW_MACINFO_vendor_ext:            return "DW_MACINFO_vendor_ext";
 431   }
 432   return nullptr;
 433 }
 434
 435 const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
 436   switch (Encoding) {
 437   case DW_CFA_nop:                       return "DW_CFA_nop";
 438   case DW_CFA_advance_loc:               return "DW_CFA_advance_loc";
 439   case DW_CFA_offset:                    return "DW_CFA_offset";
 440   case DW_CFA_restore:                   return "DW_CFA_restore";
 441   case DW_CFA_set_loc:                   return "DW_CFA_set_loc";
 442   case DW_CFA_advance_loc1:              return "DW_CFA_advance_loc1";
 443   case DW_CFA_advance_loc2:              return "DW_CFA_advance_loc2";
 444   case DW_CFA_advance_loc4:              return "DW_CFA_advance_loc4";
 445   case DW_CFA_offset_extended:           return "DW_CFA_offset_extended";
 446   case DW_CFA_restore_extended:          return "DW_CFA_restore_extended";
 447   case DW_CFA_undefined:                 return "DW_CFA_undefined";
 448   case DW_CFA_same_value:                return "DW_CFA_same_value";
 449   case DW_CFA_register:                  return "DW_CFA_register";
 450   case DW_CFA_remember_state:            return "DW_CFA_remember_state";
 451   case DW_CFA_restore_state:             return "DW_CFA_restore_state";
 452   case DW_CFA_def_cfa:                   return "DW_CFA_def_cfa";
 453   case DW_CFA_def_cfa_register:          return "DW_CFA_def_cfa_register";
 454   case DW_CFA_def_cfa_offset:            return "DW_CFA_def_cfa_offset";
 455   case DW_CFA_def_cfa_expression:        return "DW_CFA_def_cfa_expression";
 456   case DW_CFA_expression:                return "DW_CFA_expression";
 457   case DW_CFA_offset_extended_sf:        return "DW_CFA_offset_extended_sf";
 458   case DW_CFA_def_cfa_sf:                return "DW_CFA_def_cfa_sf";
 459   case DW_CFA_def_cfa_offset_sf:         return "DW_CFA_def_cfa_offset_sf";
 460   case DW_CFA_val_offset:                return "DW_CFA_val_offset";
 461   case DW_CFA_val_offset_sf:             return "DW_CFA_val_offset_sf";
 462   case DW_CFA_val_expression:            return "DW_CFA_val_expression";
 463   case DW_CFA_MIPS_advance_loc8:         return "DW_CFA_MIPS_advance_loc8";
 464   case DW_CFA_GNU_window_save:           return "DW_CFA_GNU_window_save";
 465   case DW_CFA_GNU_args_size:             return "DW_CFA_GNU_args_size";
 466   case DW_CFA_lo_user:                   return "DW_CFA_lo_user";
 467   case DW_CFA_hi_user:                   return "DW_CFA_hi_user";
 468   }
 469   return nullptr;
 470 }
 471
 472 const char *llvm::dwarf::ApplePropertyString(unsigned Prop) {
 473   switch (Prop) {
 474   case DW_APPLE_PROPERTY_readonly:
 475     return "DW_APPLE_PROPERTY_readonly";
 476   case DW_APPLE_PROPERTY_getter:
 477     return "DW_APPLE_PROPERTY_getter";
 478   case DW_APPLE_PROPERTY_assign:
 479     return "DW_APPLE_PROPERTY_assign";
 480   case DW_APPLE_PROPERTY_readwrite:
 481     return "DW_APPLE_PROPERTY_readwrite";
 482   case DW_APPLE_PROPERTY_retain:
 483     return "DW_APPLE_PROPERTY_retain";
 484   case DW_APPLE_PROPERTY_copy:
 485     return "DW_APPLE_PROPERTY_copy";
 486   case DW_APPLE_PROPERTY_nonatomic:
 487     return "DW_APPLE_PROPERTY_nonatomic";
 488   case DW_APPLE_PROPERTY_setter:
 489     return "DW_APPLE_PROPERTY_setter";
 490   case DW_APPLE_PROPERTY_atomic:
 491     return "DW_APPLE_PROPERTY_atomic";
 492   case DW_APPLE_PROPERTY_weak:
 493     return "DW_APPLE_PROPERTY_weak";
 494   case DW_APPLE_PROPERTY_strong:
 495     return "DW_APPLE_PROPERTY_strong";
 496   case DW_APPLE_PROPERTY_unsafe_unretained:
 497     return "DW_APPLE_PROPERTY_unsafe_unretained";
 498   }
 499   return nullptr;
 500 }
 501
 502 const char *llvm::dwarf::AtomTypeString(unsigned AT) {
 503   switch (AT) {
 504   case dwarf::DW_ATOM_null:
 505     return "DW_ATOM_null";
 506   case dwarf::DW_ATOM_die_offset:
 507     return "DW_ATOM_die_offset";
 508   case DW_ATOM_cu_offset:
 509     return "DW_ATOM_cu_offset";
 510   case DW_ATOM_die_tag:
 511     return "DW_ATOM_die_tag";
 512   case DW_ATOM_type_flags:
 513     return "DW_ATOM_type_flags";
 514   }
 515   return nullptr;
 516 }
 517
 518 const char *llvm::dwarf::GDBIndexEntryKindString(GDBIndexEntryKind Kind) {
 519   switch (Kind) {
 520   case GIEK_NONE:
 521     return "NONE";
 522   case GIEK_TYPE:
 523     return "TYPE";
 524   case GIEK_VARIABLE:
 525     return "VARIABLE";
 526   case GIEK_FUNCTION:
 527     return "FUNCTION";
 528   case GIEK_OTHER:
 529     return "OTHER";
 530   case GIEK_UNUSED5:
 531     return "UNUSED5";
 532   case GIEK_UNUSED6:
 533     return "UNUSED6";
 534   case GIEK_UNUSED7:
 535     return "UNUSED7";
 536   }
 537   llvm_unreachable("Unknown GDBIndexEntryKind value");
 538 }
 539
 540 const char *llvm::dwarf::GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage) {
 541   switch (Linkage) {
 542   case GIEL_EXTERNAL:
 543     return "EXTERNAL";
 544   case GIEL_STATIC:
 545     return "STATIC";
 546   }
 547   llvm_unreachable("Unknown GDBIndexEntryLinkage value");
 548 }
 549
 550 const char *llvm::dwarf::AttributeValueString(uint16_t Attr, unsigned Val) {
 551   switch (Attr) {
 552   case DW_AT_accessibility:
 553     return AccessibilityString(Val);
 554   case DW_AT_virtuality:
 555     return VirtualityString(Val);
 556   case DW_AT_language:
 557     return LanguageString(Val);
 558   case DW_AT_encoding:
 559     return AttributeEncodingString(Val);
 560   case DW_AT_decimal_sign:
 561     return DecimalSignString(Val);
 562   case DW_AT_endianity:
 563     return EndianityString(Val);
 564   case DW_AT_visibility:
 565     return VisibilityString(Val);
 566   case DW_AT_identifier_case:
 567     return CaseString(Val);
 568   case DW_AT_calling_convention:
 569     return ConventionString(Val);
 570   case DW_AT_inline:
 571     return InlineCodeString(Val);
 572   case DW_AT_ordering:
 573     return ArrayOrderString(Val);
 574   case DW_AT_discr_value:
 575     return DiscriminantString(Val);
 576   }
 577
 578   return nullptr;
 579 }