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   case DW_OP_addr:                       return "DW_OP_addr";
 243   case DW_OP_deref:                      return "DW_OP_deref";
 244   case DW_OP_const1u:                    return "DW_OP_const1u";
 245   case DW_OP_const1s:                    return "DW_OP_const1s";
 246   case DW_OP_const2u:                    return "DW_OP_const2u";
 247   case DW_OP_const2s:                    return "DW_OP_const2s";
 248   case DW_OP_const4u:                    return "DW_OP_const4u";
 249   case DW_OP_const4s:                    return "DW_OP_const4s";
 250   case DW_OP_const8u:                    return "DW_OP_const8u";
 251   case DW_OP_const8s:                    return "DW_OP_const8s";
 252   case DW_OP_constu:                     return "DW_OP_constu";
 253   case DW_OP_consts:                     return "DW_OP_consts";
 254   case DW_OP_dup:                        return "DW_OP_dup";
 255   case DW_OP_drop:                       return "DW_OP_drop";
 256   case DW_OP_over:                       return "DW_OP_over";
 257   case DW_OP_pick:                       return "DW_OP_pick";
 258   case DW_OP_swap:                       return "DW_OP_swap";
 259   case DW_OP_rot:                        return "DW_OP_rot";
 260   case DW_OP_xderef:                     return "DW_OP_xderef";
 261   case DW_OP_abs:                        return "DW_OP_abs";
 262   case DW_OP_and:                        return "DW_OP_and";
 263   case DW_OP_div:                        return "DW_OP_div";
 264   case DW_OP_minus:                      return "DW_OP_minus";
 265   case DW_OP_mod:                        return "DW_OP_mod";
 266   case DW_OP_mul:                        return "DW_OP_mul";
 267   case DW_OP_neg:                        return "DW_OP_neg";
 268   case DW_OP_not:                        return "DW_OP_not";
 269   case DW_OP_or:                         return "DW_OP_or";
 270   case DW_OP_plus:                       return "DW_OP_plus";
 271   case DW_OP_plus_uconst:                return "DW_OP_plus_uconst";
 272   case DW_OP_shl:                        return "DW_OP_shl";
 273   case DW_OP_shr:                        return "DW_OP_shr";
 274   case DW_OP_shra:                       return "DW_OP_shra";
 275   case DW_OP_xor:                        return "DW_OP_xor";
 276   case DW_OP_skip:                       return "DW_OP_skip";
 277   case DW_OP_bra:                        return "DW_OP_bra";
 278   case DW_OP_eq:                         return "DW_OP_eq";
 279   case DW_OP_ge:                         return "DW_OP_ge";
 280   case DW_OP_gt:                         return "DW_OP_gt";
 281   case DW_OP_le:                         return "DW_OP_le";
 282   case DW_OP_lt:                         return "DW_OP_lt";
 283   case DW_OP_ne:                         return "DW_OP_ne";
 284   case DW_OP_lit0:                       return "DW_OP_lit0";
 285   case DW_OP_lit1:                       return "DW_OP_lit1";
 286   case DW_OP_lit2:                       return "DW_OP_lit2";
 287   case DW_OP_lit3:                       return "DW_OP_lit3";
 288   case DW_OP_lit4:                       return "DW_OP_lit4";
 289   case DW_OP_lit5:                       return "DW_OP_lit5";
 290   case DW_OP_lit6:                       return "DW_OP_lit6";
 291   case DW_OP_lit7:                       return "DW_OP_lit7";
 292   case DW_OP_lit8:                       return "DW_OP_lit8";
 293   case DW_OP_lit9:                       return "DW_OP_lit9";
 294   case DW_OP_lit10:                      return "DW_OP_lit10";
 295   case DW_OP_lit11:                      return "DW_OP_lit11";
 296   case DW_OP_lit12:                      return "DW_OP_lit12";
 297   case DW_OP_lit13:                      return "DW_OP_lit13";
 298   case DW_OP_lit14:                      return "DW_OP_lit14";
 299   case DW_OP_lit15:                      return "DW_OP_lit15";
 300   case DW_OP_lit16:                      return "DW_OP_lit16";
 301   case DW_OP_lit17:                      return "DW_OP_lit17";
 302   case DW_OP_lit18:                      return "DW_OP_lit18";
 303   case DW_OP_lit19:                      return "DW_OP_lit19";
 304   case DW_OP_lit20:                      return "DW_OP_lit20";
 305   case DW_OP_lit21:                      return "DW_OP_lit21";
 306   case DW_OP_lit22:                      return "DW_OP_lit22";
 307   case DW_OP_lit23:                      return "DW_OP_lit23";
 308   case DW_OP_lit24:                      return "DW_OP_lit24";
 309   case DW_OP_lit25:                      return "DW_OP_lit25";
 310   case DW_OP_lit26:                      return "DW_OP_lit26";
 311   case DW_OP_lit27:                      return "DW_OP_lit27";
 312   case DW_OP_lit28:                      return "DW_OP_lit28";
 313   case DW_OP_lit29:                      return "DW_OP_lit29";
 314   case DW_OP_lit30:                      return "DW_OP_lit30";
 315   case DW_OP_lit31:                      return "DW_OP_lit31";
 316   case DW_OP_reg0:                       return "DW_OP_reg0";
 317   case DW_OP_reg1:                       return "DW_OP_reg1";
 318   case DW_OP_reg2:                       return "DW_OP_reg2";
 319   case DW_OP_reg3:                       return "DW_OP_reg3";
 320   case DW_OP_reg4:                       return "DW_OP_reg4";
 321   case DW_OP_reg5:                       return "DW_OP_reg5";
 322   case DW_OP_reg6:                       return "DW_OP_reg6";
 323   case DW_OP_reg7:                       return "DW_OP_reg7";
 324   case DW_OP_reg8:                       return "DW_OP_reg8";
 325   case DW_OP_reg9:                       return "DW_OP_reg9";
 326   case DW_OP_reg10:                      return "DW_OP_reg10";
 327   case DW_OP_reg11:                      return "DW_OP_reg11";
 328   case DW_OP_reg12:                      return "DW_OP_reg12";
 329   case DW_OP_reg13:                      return "DW_OP_reg13";
 330   case DW_OP_reg14:                      return "DW_OP_reg14";
 331   case DW_OP_reg15:                      return "DW_OP_reg15";
 332   case DW_OP_reg16:                      return "DW_OP_reg16";
 333   case DW_OP_reg17:                      return "DW_OP_reg17";
 334   case DW_OP_reg18:                      return "DW_OP_reg18";
 335   case DW_OP_reg19:                      return "DW_OP_reg19";
 336   case DW_OP_reg20:                      return "DW_OP_reg20";
 337   case DW_OP_reg21:                      return "DW_OP_reg21";
 338   case DW_OP_reg22:                      return "DW_OP_reg22";
 339   case DW_OP_reg23:                      return "DW_OP_reg23";
 340   case DW_OP_reg24:                      return "DW_OP_reg24";
 341   case DW_OP_reg25:                      return "DW_OP_reg25";
 342   case DW_OP_reg26:                      return "DW_OP_reg26";
 343   case DW_OP_reg27:                      return "DW_OP_reg27";
 344   case DW_OP_reg28:                      return "DW_OP_reg28";
 345   case DW_OP_reg29:                      return "DW_OP_reg29";
 346   case DW_OP_reg30:                      return "DW_OP_reg30";
 347   case DW_OP_reg31:                      return "DW_OP_reg31";
 348   case DW_OP_breg0:                      return "DW_OP_breg0";
 349   case DW_OP_breg1:                      return "DW_OP_breg1";
 350   case DW_OP_breg2:                      return "DW_OP_breg2";
 351   case DW_OP_breg3:                      return "DW_OP_breg3";
 352   case DW_OP_breg4:                      return "DW_OP_breg4";
 353   case DW_OP_breg5:                      return "DW_OP_breg5";
 354   case DW_OP_breg6:                      return "DW_OP_breg6";
 355   case DW_OP_breg7:                      return "DW_OP_breg7";
 356   case DW_OP_breg8:                      return "DW_OP_breg8";
 357   case DW_OP_breg9:                      return "DW_OP_breg9";
 358   case DW_OP_breg10:                     return "DW_OP_breg10";
 359   case DW_OP_breg11:                     return "DW_OP_breg11";
 360   case DW_OP_breg12:                     return "DW_OP_breg12";
 361   case DW_OP_breg13:                     return "DW_OP_breg13";
 362   case DW_OP_breg14:                     return "DW_OP_breg14";
 363   case DW_OP_breg15:                     return "DW_OP_breg15";
 364   case DW_OP_breg16:                     return "DW_OP_breg16";
 365   case DW_OP_breg17:                     return "DW_OP_breg17";
 366   case DW_OP_breg18:                     return "DW_OP_breg18";
 367   case DW_OP_breg19:                     return "DW_OP_breg19";
 368   case DW_OP_breg20:                     return "DW_OP_breg20";
 369   case DW_OP_breg21:                     return "DW_OP_breg21";
 370   case DW_OP_breg22:                     return "DW_OP_breg22";
 371   case DW_OP_breg23:                     return "DW_OP_breg23";
 372   case DW_OP_breg24:                     return "DW_OP_breg24";
 373   case DW_OP_breg25:                     return "DW_OP_breg25";
 374   case DW_OP_breg26:                     return "DW_OP_breg26";
 375   case DW_OP_breg27:                     return "DW_OP_breg27";
 376   case DW_OP_breg28:                     return "DW_OP_breg28";
 377   case DW_OP_breg29:                     return "DW_OP_breg29";
 378   case DW_OP_breg30:                     return "DW_OP_breg30";
 379   case DW_OP_breg31:                     return "DW_OP_breg31";
 380   case DW_OP_regx:                       return "DW_OP_regx";
 381   case DW_OP_fbreg:                      return "DW_OP_fbreg";
 382   case DW_OP_bregx:                      return "DW_OP_bregx";
 383   case DW_OP_piece:                      return "DW_OP_piece";
 384   case DW_OP_deref_size:                 return "DW_OP_deref_size";
 385   case DW_OP_xderef_size:                return "DW_OP_xderef_size";
 386   case DW_OP_nop:                        return "DW_OP_nop";
 387   case DW_OP_push_object_address:        return "DW_OP_push_object_address";
 388   case DW_OP_call2:                      return "DW_OP_call2";
 389   case DW_OP_call4:                      return "DW_OP_call4";
 390   case DW_OP_call_ref:                   return "DW_OP_call_ref";
 391   case DW_OP_form_tls_address:           return "DW_OP_form_tls_address";
 392   case DW_OP_call_frame_cfa:             return "DW_OP_call_frame_cfa";
 393   case DW_OP_bit_piece:                  return "DW_OP_bit_piece";
 394   case DW_OP_implicit_value:             return "DW_OP_implicit_value";
 395   case DW_OP_stack_value:                return "DW_OP_stack_value";
 396
 397   // GNU thread-local storage
 398   case DW_OP_GNU_push_tls_address:       return "DW_OP_GNU_push_tls_address";
 399
 400   // DWARF5 Fission Proposal Op Extensions
 401   case DW_OP_GNU_addr_index:             return "DW_OP_GNU_addr_index";
 402   case DW_OP_GNU_const_index:            return "DW_OP_GNU_const_index";
 403   }
 404   return nullptr;
 405 }
 406
 407 const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
 408   switch (Encoding) {
 409   case DW_ATE_address:                   return "DW_ATE_address";
 410   case DW_ATE_boolean:                   return "DW_ATE_boolean";
 411   case DW_ATE_complex_float:             return "DW_ATE_complex_float";
 412   case DW_ATE_float:                     return "DW_ATE_float";
 413   case DW_ATE_signed:                    return "DW_ATE_signed";
 414   case DW_ATE_signed_char:               return "DW_ATE_signed_char";
 415   case DW_ATE_unsigned:                  return "DW_ATE_unsigned";
 416   case DW_ATE_unsigned_char:             return "DW_ATE_unsigned_char";
 417   case DW_ATE_imaginary_float:           return "DW_ATE_imaginary_float";
 418   case DW_ATE_UTF:                       return "DW_ATE_UTF";
 419   case DW_ATE_packed_decimal:            return "DW_ATE_packed_decimal";
 420   case DW_ATE_numeric_string:            return "DW_ATE_numeric_string";
 421   case DW_ATE_edited:                    return "DW_ATE_edited";
 422   case DW_ATE_signed_fixed:              return "DW_ATE_signed_fixed";
 423   case DW_ATE_unsigned_fixed:            return "DW_ATE_unsigned_fixed";
 424   case DW_ATE_decimal_float:             return "DW_ATE_decimal_float";
 425   case DW_ATE_lo_user:                   return "DW_ATE_lo_user";
 426   case DW_ATE_hi_user:                   return "DW_ATE_hi_user";
 427   }
 428   return nullptr;
 429 }
 430
 431 const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
 432   switch (Sign) {
 433   case DW_DS_unsigned:                   return "DW_DS_unsigned";
 434   case DW_DS_leading_overpunch:          return "DW_DS_leading_overpunch";
 435   case DW_DS_trailing_overpunch:         return "DW_DS_trailing_overpunch";
 436   case DW_DS_leading_separate:           return "DW_DS_leading_separate";
 437   case DW_DS_trailing_separate:          return "DW_DS_trailing_separate";
 438   }
 439   return nullptr;
 440 }
 441
 442 const char *llvm::dwarf::EndianityString(unsigned Endian) {
 443   switch (Endian) {
 444   case DW_END_default:                   return "DW_END_default";
 445   case DW_END_big:                       return "DW_END_big";
 446   case DW_END_little:                    return "DW_END_little";
 447   case DW_END_lo_user:                   return "DW_END_lo_user";
 448   case DW_END_hi_user:                   return "DW_END_hi_user";
 449   }
 450   return nullptr;
 451 }
 452
 453 const char *llvm::dwarf::AccessibilityString(unsigned Access) {
 454   switch (Access) {
 455   // Accessibility codes
 456   case DW_ACCESS_public:                 return "DW_ACCESS_public";
 457   case DW_ACCESS_protected:              return "DW_ACCESS_protected";
 458   case DW_ACCESS_private:                return "DW_ACCESS_private";
 459   }
 460   return nullptr;
 461 }
 462
 463 const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
 464   switch (Visibility) {
 465   case DW_VIS_local:                     return "DW_VIS_local";
 466   case DW_VIS_exported:                  return "DW_VIS_exported";
 467   case DW_VIS_qualified:                 return "DW_VIS_qualified";
 468   }
 469   return nullptr;
 470 }
 471
 472 const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
 473   switch (Virtuality) {
 474   case DW_VIRTUALITY_none:               return "DW_VIRTUALITY_none";
 475   case DW_VIRTUALITY_virtual:            return "DW_VIRTUALITY_virtual";
 476   case DW_VIRTUALITY_pure_virtual:       return "DW_VIRTUALITY_pure_virtual";
 477   }
 478   return nullptr;
 479 }
 480
 481 const char *llvm::dwarf::LanguageString(unsigned Language) {
 482   switch (Language) {
 483   default:
 484     return nullptr;
 485 #define HANDLE_DW_LANG(ID, NAME)                                               \
 486   case DW_LANG_##NAME:                                                         \
 487     return "DW_LANG_" #NAME;
 488 #include "llvm/Support/Dwarf.def"
 489   }
 490 }
 491
 492 const char *llvm::dwarf::CaseString(unsigned Case) {
 493   switch (Case) {
 494   case DW_ID_case_sensitive:             return "DW_ID_case_sensitive";
 495   case DW_ID_up_case:                    return "DW_ID_up_case";
 496   case DW_ID_down_case:                  return "DW_ID_down_case";
 497   case DW_ID_case_insensitive:           return "DW_ID_case_insensitive";
 498   }
 499   return nullptr;
 500 }
 501
 502 const char *llvm::dwarf::ConventionString(unsigned Convention) {
 503    switch (Convention) {
 504    case DW_CC_normal:                     return "DW_CC_normal";
 505    case DW_CC_program:                    return "DW_CC_program";
 506    case DW_CC_nocall:                     return "DW_CC_nocall";
 507    case DW_CC_lo_user:                    return "DW_CC_lo_user";
 508    case DW_CC_hi_user:                    return "DW_CC_hi_user";
 509   }
 510   return nullptr;
 511 }
 512
 513 const char *llvm::dwarf::InlineCodeString(unsigned Code) {
 514   switch (Code) {
 515   case DW_INL_not_inlined:               return "DW_INL_not_inlined";
 516   case DW_INL_inlined:                   return "DW_INL_inlined";
 517   case DW_INL_declared_not_inlined:      return "DW_INL_declared_not_inlined";
 518   case DW_INL_declared_inlined:          return "DW_INL_declared_inlined";
 519   }
 520   return nullptr;
 521 }
 522
 523 const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
 524   switch (Order) {
 525   case DW_ORD_row_major:                 return "DW_ORD_row_major";
 526   case DW_ORD_col_major:                 return "DW_ORD_col_major";
 527   }
 528   return nullptr;
 529 }
 530
 531 const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
 532   switch (Discriminant) {
 533   case DW_DSC_label:                     return "DW_DSC_label";
 534   case DW_DSC_range:                     return "DW_DSC_range";
 535   }
 536   return nullptr;
 537 }
 538
 539 const char *llvm::dwarf::LNStandardString(unsigned Standard) {
 540   switch (Standard) {
 541   case DW_LNS_copy:                      return "DW_LNS_copy";
 542   case DW_LNS_advance_pc:                return "DW_LNS_advance_pc";
 543   case DW_LNS_advance_line:              return "DW_LNS_advance_line";
 544   case DW_LNS_set_file:                  return "DW_LNS_set_file";
 545   case DW_LNS_set_column:                return "DW_LNS_set_column";
 546   case DW_LNS_negate_stmt:               return "DW_LNS_negate_stmt";
 547   case DW_LNS_set_basic_block:           return "DW_LNS_set_basic_block";
 548   case DW_LNS_const_add_pc:              return "DW_LNS_const_add_pc";
 549   case DW_LNS_fixed_advance_pc:          return "DW_LNS_fixed_advance_pc";
 550   case DW_LNS_set_prologue_end:          return "DW_LNS_set_prologue_end";
 551   case DW_LNS_set_epilogue_begin:        return "DW_LNS_set_epilogue_begin";
 552   case DW_LNS_set_isa:                   return "DW_LNS_set_isa";
 553   }
 554   return nullptr;
 555 }
 556
 557 const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
 558   switch (Encoding) {
 559   // Line Number Extended Opcode Encodings
 560   case DW_LNE_end_sequence:              return "DW_LNE_end_sequence";
 561   case DW_LNE_set_address:               return "DW_LNE_set_address";
 562   case DW_LNE_define_file:               return "DW_LNE_define_file";
 563   case DW_LNE_set_discriminator:         return "DW_LNE_set_discriminator";
 564   case DW_LNE_lo_user:                   return "DW_LNE_lo_user";
 565   case DW_LNE_hi_user:                   return "DW_LNE_hi_user";
 566   }
 567   return nullptr;
 568 }
 569
 570 const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
 571   switch (Encoding) {
 572   // Macinfo Type Encodings
 573   case DW_MACINFO_define:                return "DW_MACINFO_define";
 574   case DW_MACINFO_undef:                 return "DW_MACINFO_undef";
 575   case DW_MACINFO_start_file:            return "DW_MACINFO_start_file";
 576   case DW_MACINFO_end_file:              return "DW_MACINFO_end_file";
 577   case DW_MACINFO_vendor_ext:            return "DW_MACINFO_vendor_ext";
 578   }
 579   return nullptr;
 580 }
 581
 582 const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
 583   switch (Encoding) {
 584   case DW_CFA_nop:                       return "DW_CFA_nop";
 585   case DW_CFA_advance_loc:               return "DW_CFA_advance_loc";
 586   case DW_CFA_offset:                    return "DW_CFA_offset";
 587   case DW_CFA_restore:                   return "DW_CFA_restore";
 588   case DW_CFA_set_loc:                   return "DW_CFA_set_loc";
 589   case DW_CFA_advance_loc1:              return "DW_CFA_advance_loc1";
 590   case DW_CFA_advance_loc2:              return "DW_CFA_advance_loc2";
 591   case DW_CFA_advance_loc4:              return "DW_CFA_advance_loc4";
 592   case DW_CFA_offset_extended:           return "DW_CFA_offset_extended";
 593   case DW_CFA_restore_extended:          return "DW_CFA_restore_extended";
 594   case DW_CFA_undefined:                 return "DW_CFA_undefined";
 595   case DW_CFA_same_value:                return "DW_CFA_same_value";
 596   case DW_CFA_register:                  return "DW_CFA_register";
 597   case DW_CFA_remember_state:            return "DW_CFA_remember_state";
 598   case DW_CFA_restore_state:             return "DW_CFA_restore_state";
 599   case DW_CFA_def_cfa:                   return "DW_CFA_def_cfa";
 600   case DW_CFA_def_cfa_register:          return "DW_CFA_def_cfa_register";
 601   case DW_CFA_def_cfa_offset:            return "DW_CFA_def_cfa_offset";
 602   case DW_CFA_def_cfa_expression:        return "DW_CFA_def_cfa_expression";
 603   case DW_CFA_expression:                return "DW_CFA_expression";
 604   case DW_CFA_offset_extended_sf:        return "DW_CFA_offset_extended_sf";
 605   case DW_CFA_def_cfa_sf:                return "DW_CFA_def_cfa_sf";
 606   case DW_CFA_def_cfa_offset_sf:         return "DW_CFA_def_cfa_offset_sf";
 607   case DW_CFA_val_offset:                return "DW_CFA_val_offset";
 608   case DW_CFA_val_offset_sf:             return "DW_CFA_val_offset_sf";
 609   case DW_CFA_val_expression:            return "DW_CFA_val_expression";
 610   case DW_CFA_MIPS_advance_loc8:         return "DW_CFA_MIPS_advance_loc8";
 611   case DW_CFA_GNU_window_save:           return "DW_CFA_GNU_window_save";
 612   case DW_CFA_GNU_args_size:             return "DW_CFA_GNU_args_size";
 613   case DW_CFA_lo_user:                   return "DW_CFA_lo_user";
 614   case DW_CFA_hi_user:                   return "DW_CFA_hi_user";
 615   }
 616   return nullptr;
 617 }
 618
 619 const char *llvm::dwarf::ApplePropertyString(unsigned Prop) {
 620   switch (Prop) {
 621   case DW_APPLE_PROPERTY_readonly:
 622     return "DW_APPLE_PROPERTY_readonly";
 623   case DW_APPLE_PROPERTY_getter:
 624     return "DW_APPLE_PROPERTY_getter";
 625   case DW_APPLE_PROPERTY_assign:
 626     return "DW_APPLE_PROPERTY_assign";
 627   case DW_APPLE_PROPERTY_readwrite:
 628     return "DW_APPLE_PROPERTY_readwrite";
 629   case DW_APPLE_PROPERTY_retain:
 630     return "DW_APPLE_PROPERTY_retain";
 631   case DW_APPLE_PROPERTY_copy:
 632     return "DW_APPLE_PROPERTY_copy";
 633   case DW_APPLE_PROPERTY_nonatomic:
 634     return "DW_APPLE_PROPERTY_nonatomic";
 635   case DW_APPLE_PROPERTY_setter:
 636     return "DW_APPLE_PROPERTY_setter";
 637   case DW_APPLE_PROPERTY_atomic:
 638     return "DW_APPLE_PROPERTY_atomic";
 639   case DW_APPLE_PROPERTY_weak:
 640     return "DW_APPLE_PROPERTY_weak";
 641   case DW_APPLE_PROPERTY_strong:
 642     return "DW_APPLE_PROPERTY_strong";
 643   case DW_APPLE_PROPERTY_unsafe_unretained:
 644     return "DW_APPLE_PROPERTY_unsafe_unretained";
 645   }
 646   return nullptr;
 647 }
 648
 649 const char *llvm::dwarf::AtomTypeString(unsigned AT) {
 650   switch (AT) {
 651   case dwarf::DW_ATOM_null:
 652     return "DW_ATOM_null";
 653   case dwarf::DW_ATOM_die_offset:
 654     return "DW_ATOM_die_offset";
 655   case DW_ATOM_cu_offset:
 656     return "DW_ATOM_cu_offset";
 657   case DW_ATOM_die_tag:
 658     return "DW_ATOM_die_tag";
 659   case DW_ATOM_type_flags:
 660     return "DW_ATOM_type_flags";
 661   }
 662   return nullptr;
 663 }
 664
 665 const char *llvm::dwarf::GDBIndexEntryKindString(GDBIndexEntryKind Kind) {
 666   switch (Kind) {
 667   case GIEK_NONE:
 668     return "NONE";
 669   case GIEK_TYPE:
 670     return "TYPE";
 671   case GIEK_VARIABLE:
 672     return "VARIABLE";
 673   case GIEK_FUNCTION:
 674     return "FUNCTION";
 675   case GIEK_OTHER:
 676     return "OTHER";
 677   case GIEK_UNUSED5:
 678     return "UNUSED5";
 679   case GIEK_UNUSED6:
 680     return "UNUSED6";
 681   case GIEK_UNUSED7:
 682     return "UNUSED7";
 683   }
 684   llvm_unreachable("Unknown GDBIndexEntryKind value");
 685 }
 686
 687 const char *llvm::dwarf::GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage) {
 688   switch (Linkage) {
 689   case GIEL_EXTERNAL:
 690     return "EXTERNAL";
 691   case GIEL_STATIC:
 692     return "STATIC";
 693   }
 694   llvm_unreachable("Unknown GDBIndexEntryLinkage value");
 695 }
 696
 697 const char *llvm::dwarf::AttributeValueString(uint16_t Attr, unsigned Val) {
 698   switch (Attr) {
 699   case DW_AT_accessibility:
 700     return AccessibilityString(Val);
 701   case DW_AT_virtuality:
 702     return VirtualityString(Val);
 703   case DW_AT_language:
 704     return LanguageString(Val);
 705   case DW_AT_encoding:
 706     return AttributeEncodingString(Val);
 707   case DW_AT_decimal_sign:
 708     return DecimalSignString(Val);
 709   case DW_AT_endianity:
 710     return EndianityString(Val);
 711   case DW_AT_visibility:
 712     return VisibilityString(Val);
 713   case DW_AT_identifier_case:
 714     return CaseString(Val);
 715   case DW_AT_calling_convention:
 716     return ConventionString(Val);
 717   case DW_AT_inline:
 718     return InlineCodeString(Val);
 719   case DW_AT_ordering:
 720     return ArrayOrderString(Val);
 721   case DW_AT_discr_value:
 722     return DiscriminantString(Val);
 723   }
 724
 725   return nullptr;
 726 }