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 #include <cassert>
  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   }
  84   llvm_unreachable("Unknown Dwarf Tag");
  85   return "";
  86 }
  87
  88 /// ChildrenString - Return the string for the specified children flag.
  89 ///
  90 const char *llvm::dwarf::ChildrenString(unsigned Children) {
  91   switch (Children) {
  92     case DW_CHILDREN_no:                   return "CHILDREN_no";
  93     case DW_CHILDREN_yes:                  return "CHILDREN_yes";
  94   }
  95   llvm_unreachable("Unknown Dwarf ChildrenFlag");
  96   return "";
  97 }
  98
  99 /// AttributeString - Return the string for the specified attribute.
 100 ///
 101 const char *llvm::dwarf::AttributeString(unsigned Attribute) {
 102   switch (Attribute) {
 103     case DW_AT_sibling:                    return "DW_AT_sibling";
 104     case DW_AT_location:                   return "DW_AT_location";
 105     case DW_AT_name:                       return "DW_AT_name";
 106     case DW_AT_ordering:                   return "DW_AT_ordering";
 107     case DW_AT_byte_size:                  return "DW_AT_byte_size";
 108     case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
 109     case DW_AT_bit_size:                   return "DW_AT_bit_size";
 110     case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
 111     case DW_AT_low_pc:                     return "DW_AT_low_pc";
 112     case DW_AT_high_pc:                    return "DW_AT_high_pc";
 113     case DW_AT_language:                   return "DW_AT_language";
 114     case DW_AT_discr:                      return "DW_AT_discr";
 115     case DW_AT_discr_value:                return "DW_AT_discr_value";
 116     case DW_AT_visibility:                 return "DW_AT_visibility";
 117     case DW_AT_import:                     return "DW_AT_import";
 118     case DW_AT_string_length:              return "DW_AT_string_length";
 119     case DW_AT_common_reference:           return "DW_AT_common_reference";
 120     case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
 121     case DW_AT_const_value:                return "DW_AT_const_value";
 122     case DW_AT_containing_type:            return "DW_AT_containing_type";
 123     case DW_AT_default_value:              return "DW_AT_default_value";
 124     case DW_AT_inline:                     return "DW_AT_inline";
 125     case DW_AT_is_optional:                return "DW_AT_is_optional";
 126     case DW_AT_lower_bound:                return "DW_AT_lower_bound";
 127     case DW_AT_producer:                   return "DW_AT_producer";
 128     case DW_AT_prototyped:                 return "DW_AT_prototyped";
 129     case DW_AT_return_addr:                return "DW_AT_return_addr";
 130     case DW_AT_start_scope:                return "DW_AT_start_scope";
 131     case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
 132     case DW_AT_upper_bound:                return "DW_AT_upper_bound";
 133     case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
 134     case DW_AT_accessibility:              return "DW_AT_accessibility";
 135     case DW_AT_address_class:              return "DW_AT_address_class";
 136     case DW_AT_artificial:                 return "DW_AT_artificial";
 137     case DW_AT_base_types:                 return "DW_AT_base_types";
 138     case DW_AT_calling_convention:         return "DW_AT_calling_convention";
 139     case DW_AT_count:                      return "DW_AT_count";
 140     case DW_AT_data_member_location:       return "DW_AT_data_member_location";
 141     case DW_AT_decl_column:                return "DW_AT_decl_column";
 142     case DW_AT_decl_file:                  return "DW_AT_decl_file";
 143     case DW_AT_decl_line:                  return "DW_AT_decl_line";
 144     case DW_AT_declaration:                return "DW_AT_declaration";
 145     case DW_AT_discr_list:                 return "DW_AT_discr_list";
 146     case DW_AT_encoding:                   return "DW_AT_encoding";
 147     case DW_AT_external:                   return "DW_AT_external";
 148     case DW_AT_frame_base:                 return "DW_AT_frame_base";
 149     case DW_AT_friend:                     return "DW_AT_friend";
 150     case DW_AT_identifier_case:            return "DW_AT_identifier_case";
 151     case DW_AT_macro_info:                 return "DW_AT_macro_info";
 152     case DW_AT_namelist_item:              return "DW_AT_namelist_item";
 153     case DW_AT_priority:                   return "DW_AT_priority";
 154     case DW_AT_segment:                    return "DW_AT_segment";
 155     case DW_AT_specification:              return "DW_AT_specification";
 156     case DW_AT_static_link:                return "DW_AT_static_link";
 157     case DW_AT_type:                       return "DW_AT_type";
 158     case DW_AT_use_location:               return "DW_AT_use_location";
 159     case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
 160     case DW_AT_virtuality:                 return "DW_AT_virtuality";
 161     case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
 162     case DW_AT_allocated:                  return "DW_AT_allocated";
 163     case DW_AT_associated:                 return "DW_AT_associated";
 164     case DW_AT_data_location:              return "DW_AT_data_location";
 165     case DW_AT_byte_stride:                return "DW_AT_byte_stride";
 166     case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
 167     case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
 168     case DW_AT_extension:                  return "DW_AT_extension";
 169     case DW_AT_ranges:                     return "DW_AT_ranges";
 170     case DW_AT_trampoline:                 return "DW_AT_trampoline";
 171     case DW_AT_call_column:                return "DW_AT_call_column";
 172     case DW_AT_call_file:                  return "DW_AT_call_file";
 173     case DW_AT_call_line:                  return "DW_AT_call_line";
 174     case DW_AT_description:                return "DW_AT_description";
 175     case DW_AT_binary_scale:               return "DW_AT_binary_scale";
 176     case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
 177     case DW_AT_small:                      return "DW_AT_small";
 178     case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
 179     case DW_AT_digit_count:                return "DW_AT_digit_count";
 180     case DW_AT_picture_string:             return "DW_AT_picture_string";
 181     case DW_AT_mutable:                    return "DW_AT_mutable";
 182     case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
 183     case DW_AT_explicit:                   return "DW_AT_explicit";
 184     case DW_AT_object_pointer:             return "DW_AT_object_pointer";
 185     case DW_AT_endianity:                  return "DW_AT_endianity";
 186     case DW_AT_elemental:                  return "DW_AT_elemental";
 187     case DW_AT_pure:                       return "DW_AT_pure";
 188     case DW_AT_recursive:                  return "DW_AT_recursive";
 189     case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
 190     case DW_AT_sf_names:                   return "DW_AT_sf_names";
 191     case DW_AT_src_info:                   return "DW_AT_src_info";
 192     case DW_AT_mac_info:                   return "DW_AT_mac_info";
 193     case DW_AT_src_coords:                 return "DW_AT_src_coords";
 194     case DW_AT_body_begin:                 return "DW_AT_body_begin";
 195     case DW_AT_body_end:                   return "DW_AT_body_end";
 196     case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
 197     case DW_AT_lo_user:                    return "DW_AT_lo_user";
 198     case DW_AT_hi_user:                    return "DW_AT_hi_user";
 199     case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
 200     case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
 201     case DW_AT_APPLE_isa:                  return "DW_AT_APPLE_isa";
 202     case DW_AT_APPLE_block:                return "DW_AT_APPLE_block";
 203     case DW_AT_APPLE_major_runtime_vers:   return "DW_AT_APPLE_major_runtime_vers";
 204     case DW_AT_APPLE_runtime_class:        return "DW_AT_APPLE_runtime_class";
 205   }
 206   llvm_unreachable("Unknown Dwarf Attribute");
 207   return "";
 208 }
 209
 210 /// FormEncodingString - Return the string for the specified form encoding.
 211 ///
 212 const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
 213   switch (Encoding) {
 214     case DW_FORM_addr:                     return "FORM_addr";
 215     case DW_FORM_block2:                   return "FORM_block2";
 216     case DW_FORM_block4:                   return "FORM_block4";
 217     case DW_FORM_data2:                    return "FORM_data2";
 218     case DW_FORM_data4:                    return "FORM_data4";
 219     case DW_FORM_data8:                    return "FORM_data8";
 220     case DW_FORM_string:                   return "FORM_string";
 221     case DW_FORM_block:                    return "FORM_block";
 222     case DW_FORM_block1:                   return "FORM_block1";
 223     case DW_FORM_data1:                    return "FORM_data1";
 224     case DW_FORM_flag:                     return "FORM_flag";
 225     case DW_FORM_sdata:                    return "FORM_sdata";
 226     case DW_FORM_strp:                     return "FORM_strp";
 227     case DW_FORM_udata:                    return "FORM_udata";
 228     case DW_FORM_ref_addr:                 return "FORM_ref_addr";
 229     case DW_FORM_ref1:                     return "FORM_ref1";
 230     case DW_FORM_ref2:                     return "FORM_ref2";
 231     case DW_FORM_ref4:                     return "FORM_ref4";
 232     case DW_FORM_ref8:                     return "FORM_ref8";
 233     case DW_FORM_ref_udata:                return "FORM_ref_udata";
 234     case DW_FORM_indirect:                 return "FORM_indirect";
 235   }
 236   llvm_unreachable("Unknown Dwarf Form Encoding");
 237   return "";
 238 }
 239
 240 /// OperationEncodingString - Return the string for the specified operation
 241 /// encoding.
 242 const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
 243   switch (Encoding) {
 244     case DW_OP_addr:                       return "OP_addr";
 245     case DW_OP_deref:                      return "OP_deref";
 246     case DW_OP_const1u:                    return "OP_const1u";
 247     case DW_OP_const1s:                    return "OP_const1s";
 248     case DW_OP_const2u:                    return "OP_const2u";
 249     case DW_OP_const2s:                    return "OP_const2s";
 250     case DW_OP_const4u:                    return "OP_const4u";
 251     case DW_OP_const4s:                    return "OP_const4s";
 252     case DW_OP_const8u:                    return "OP_const8u";
 253     case DW_OP_const8s:                    return "OP_const8s";
 254     case DW_OP_constu:                     return "OP_constu";
 255     case DW_OP_consts:                     return "OP_consts";
 256     case DW_OP_dup:                        return "OP_dup";
 257     case DW_OP_drop:                       return "OP_drop";
 258     case DW_OP_over:                       return "OP_over";
 259     case DW_OP_pick:                       return "OP_pick";
 260     case DW_OP_swap:                       return "OP_swap";
 261     case DW_OP_rot:                        return "OP_rot";
 262     case DW_OP_xderef:                     return "OP_xderef";
 263     case DW_OP_abs:                        return "OP_abs";
 264     case DW_OP_and:                        return "OP_and";
 265     case DW_OP_div:                        return "OP_div";
 266     case DW_OP_minus:                      return "OP_minus";
 267     case DW_OP_mod:                        return "OP_mod";
 268     case DW_OP_mul:                        return "OP_mul";
 269     case DW_OP_neg:                        return "OP_neg";
 270     case DW_OP_not:                        return "OP_not";
 271     case DW_OP_or:                         return "OP_or";
 272     case DW_OP_plus:                       return "OP_plus";
 273     case DW_OP_plus_uconst:                return "OP_plus_uconst";
 274     case DW_OP_shl:                        return "OP_shl";
 275     case DW_OP_shr:                        return "OP_shr";
 276     case DW_OP_shra:                       return "OP_shra";
 277     case DW_OP_xor:                        return "OP_xor";
 278     case DW_OP_skip:                       return "OP_skip";
 279     case DW_OP_bra:                        return "OP_bra";
 280     case DW_OP_eq:                         return "OP_eq";
 281     case DW_OP_ge:                         return "OP_ge";
 282     case DW_OP_gt:                         return "OP_gt";
 283     case DW_OP_le:                         return "OP_le";
 284     case DW_OP_lt:                         return "OP_lt";
 285     case DW_OP_ne:                         return "OP_ne";
 286     case DW_OP_lit0:                       return "OP_lit0";
 287     case DW_OP_lit1:                       return "OP_lit1";
 288     case DW_OP_lit31:                      return "OP_lit31";
 289     case DW_OP_reg0:                       return "OP_reg0";
 290     case DW_OP_reg1:                       return "OP_reg1";
 291     case DW_OP_reg31:                      return "OP_reg31";
 292     case DW_OP_breg0:                      return "OP_breg0";
 293     case DW_OP_breg1:                      return "OP_breg1";
 294     case DW_OP_breg31:                     return "OP_breg31";
 295     case DW_OP_regx:                       return "OP_regx";
 296     case DW_OP_fbreg:                      return "OP_fbreg";
 297     case DW_OP_bregx:                      return "OP_bregx";
 298     case DW_OP_piece:                      return "OP_piece";
 299     case DW_OP_deref_size:                 return "OP_deref_size";
 300     case DW_OP_xderef_size:                return "OP_xderef_size";
 301     case DW_OP_nop:                        return "OP_nop";
 302     case DW_OP_push_object_address:        return "OP_push_object_address";
 303     case DW_OP_call2:                      return "OP_call2";
 304     case DW_OP_call4:                      return "OP_call4";
 305     case DW_OP_call_ref:                   return "OP_call_ref";
 306     case DW_OP_form_tls_address:           return "OP_form_tls_address";
 307     case DW_OP_call_frame_cfa:             return "OP_call_frame_cfa";
 308     case DW_OP_lo_user:                    return "OP_lo_user";
 309     case DW_OP_hi_user:                    return "OP_hi_user";
 310   }
 311   llvm_unreachable("Unknown Dwarf Operation Encoding");
 312   return "";
 313 }
 314
 315 /// AttributeEncodingString - Return the string for the specified attribute
 316 /// encoding.
 317 const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
 318   switch (Encoding) {
 319     case DW_ATE_address:                   return "ATE_address";
 320     case DW_ATE_boolean:                   return "ATE_boolean";
 321     case DW_ATE_complex_float:             return "ATE_complex_float";
 322     case DW_ATE_float:                     return "ATE_float";
 323     case DW_ATE_signed:                    return "ATE_signed";
 324     case DW_ATE_signed_char:               return "ATE_signed_char";
 325     case DW_ATE_unsigned:                  return "ATE_unsigned";
 326     case DW_ATE_unsigned_char:             return "ATE_unsigned_char";
 327     case DW_ATE_imaginary_float:           return "ATE_imaginary_float";
 328     case DW_ATE_packed_decimal:            return "ATE_packed_decimal";
 329     case DW_ATE_numeric_string:            return "ATE_numeric_string";
 330     case DW_ATE_edited:                    return "ATE_edited";
 331     case DW_ATE_signed_fixed:              return "ATE_signed_fixed";
 332     case DW_ATE_unsigned_fixed:            return "ATE_unsigned_fixed";
 333     case DW_ATE_decimal_float:             return "ATE_decimal_float";
 334     case DW_ATE_lo_user:                   return "ATE_lo_user";
 335     case DW_ATE_hi_user:                   return "ATE_hi_user";
 336   }
 337   llvm_unreachable("Unknown Dwarf Attribute Encoding");
 338   return "";
 339 }
 340
 341 /// DecimalSignString - Return the string for the specified decimal sign
 342 /// attribute.
 343 const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
 344   switch (Sign) {
 345     case DW_DS_unsigned:                   return "DS_unsigned";
 346     case DW_DS_leading_overpunch:          return "DS_leading_overpunch";
 347     case DW_DS_trailing_overpunch:         return "DS_trailing_overpunch";
 348     case DW_DS_leading_separate:           return "DS_leading_separate";
 349     case DW_DS_trailing_separate:          return "DS_trailing_separate";
 350   }
 351   llvm_unreachable("Unknown Dwarf Decimal Sign Attribute");
 352   return "";
 353 }
 354
 355 /// EndianityString - Return the string for the specified endianity.
 356 ///
 357 const char *llvm::dwarf::EndianityString(unsigned Endian) {
 358   switch (Endian) {
 359     case DW_END_default:                   return "END_default";
 360     case DW_END_big:                       return "END_big";
 361     case DW_END_little:                    return "END_little";
 362     case DW_END_lo_user:                   return "END_lo_user";
 363     case DW_END_hi_user:                   return "END_hi_user";
 364   }
 365   llvm_unreachable("Unknown Dwarf Endianity");
 366   return "";
 367 }
 368
 369 /// AccessibilityString - Return the string for the specified accessibility.
 370 ///
 371 const char *llvm::dwarf::AccessibilityString(unsigned Access) {
 372   switch (Access) {
 373     // Accessibility codes
 374     case DW_ACCESS_public:                 return "ACCESS_public";
 375     case DW_ACCESS_protected:              return "ACCESS_protected";
 376     case DW_ACCESS_private:                return "ACCESS_private";
 377   }
 378   llvm_unreachable("Unknown Dwarf Accessibility");
 379   return "";
 380 }
 381
 382 /// VisibilityString - Return the string for the specified visibility.
 383 ///
 384 const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
 385   switch (Visibility) {
 386     case DW_VIS_local:                     return "VIS_local";
 387     case DW_VIS_exported:                  return "VIS_exported";
 388     case DW_VIS_qualified:                 return "VIS_qualified";
 389   }
 390   llvm_unreachable("Unknown Dwarf Visibility");
 391   return "";
 392 }
 393
 394 /// VirtualityString - Return the string for the specified virtuality.
 395 ///
 396 const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
 397   switch (Virtuality) {
 398     case DW_VIRTUALITY_none:               return "VIRTUALITY_none";
 399     case DW_VIRTUALITY_virtual:            return "VIRTUALITY_virtual";
 400     case DW_VIRTUALITY_pure_virtual:       return "VIRTUALITY_pure_virtual";
 401   }
 402   llvm_unreachable("Unknown Dwarf Virtuality");
 403   return "";
 404 }
 405
 406 /// LanguageString - Return the string for the specified language.
 407 ///
 408 const char *llvm::dwarf::LanguageString(unsigned Language) {
 409   switch (Language) {
 410     case DW_LANG_C89:                      return "LANG_C89";
 411     case DW_LANG_C:                        return "LANG_C";
 412     case DW_LANG_Ada83:                    return "LANG_Ada83";
 413     case DW_LANG_C_plus_plus:              return "LANG_C_plus_plus";
 414     case DW_LANG_Cobol74:                  return "LANG_Cobol74";
 415     case DW_LANG_Cobol85:                  return "LANG_Cobol85";
 416     case DW_LANG_Fortran77:                return "LANG_Fortran77";
 417     case DW_LANG_Fortran90:                return "LANG_Fortran90";
 418     case DW_LANG_Pascal83:                 return "LANG_Pascal83";
 419     case DW_LANG_Modula2:                  return "LANG_Modula2";
 420     case DW_LANG_Java:                     return "LANG_Java";
 421     case DW_LANG_C99:                      return "LANG_C99";
 422     case DW_LANG_Ada95:                    return "LANG_Ada95";
 423     case DW_LANG_Fortran95:                return "LANG_Fortran95";
 424     case DW_LANG_PLI:                      return "LANG_PLI";
 425     case DW_LANG_ObjC:                     return "LANG_ObjC";
 426     case DW_LANG_ObjC_plus_plus:           return "LANG_ObjC_plus_plus";
 427     case DW_LANG_UPC:                      return "LANG_UPC";
 428     case DW_LANG_D:                        return "LANG_D";
 429     case DW_LANG_lo_user:                  return "LANG_lo_user";
 430     case DW_LANG_hi_user:                  return "LANG_hi_user";
 431   }
 432   llvm_unreachable("Unknown Dwarf Language");
 433   return "";
 434 }
 435
 436 /// CaseString - Return the string for the specified identifier case.
 437 ///
 438 const char *llvm::dwarf::CaseString(unsigned Case) {
 439    switch (Case) {
 440     case DW_ID_case_sensitive:             return "ID_case_sensitive";
 441     case DW_ID_up_case:                    return "ID_up_case";
 442     case DW_ID_down_case:                  return "ID_down_case";
 443     case DW_ID_case_insensitive:           return "ID_case_insensitive";
 444   }
 445   llvm_unreachable("Unknown Dwarf Identifier Case");
 446   return "";
 447 }
 448
 449 /// ConventionString - Return the string for the specified calling convention.
 450 ///
 451 const char *llvm::dwarf::ConventionString(unsigned Convention) {
 452    switch (Convention) {
 453     case DW_CC_normal:                     return "CC_normal";
 454     case DW_CC_program:                    return "CC_program";
 455     case DW_CC_nocall:                     return "CC_nocall";
 456     case DW_CC_lo_user:                    return "CC_lo_user";
 457     case DW_CC_hi_user:                    return "CC_hi_user";
 458   }
 459   llvm_unreachable("Unknown Dwarf Calling Convention");
 460   return "";
 461 }
 462
 463 /// InlineCodeString - Return the string for the specified inline code.
 464 ///
 465 const char *llvm::dwarf::InlineCodeString(unsigned Code) {
 466    switch (Code) {
 467     case DW_INL_not_inlined:               return "INL_not_inlined";
 468     case DW_INL_inlined:                   return "INL_inlined";
 469     case DW_INL_declared_not_inlined:      return "INL_declared_not_inlined";
 470     case DW_INL_declared_inlined:          return "INL_declared_inlined";
 471   }
 472   llvm_unreachable("Unknown Dwarf Inline Code");
 473   return "";
 474 }
 475
 476 /// ArrayOrderString - Return the string for the specified array order.
 477 ///
 478 const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
 479    switch (Order) {
 480     case DW_ORD_row_major:                 return "ORD_row_major";
 481     case DW_ORD_col_major:                 return "ORD_col_major";
 482   }
 483   llvm_unreachable("Unknown Dwarf Array Order");
 484   return "";
 485 }
 486
 487 /// DiscriminantString - Return the string for the specified discriminant
 488 /// descriptor.
 489 const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
 490    switch (Discriminant) {
 491     case DW_DSC_label:                     return "DSC_label";
 492     case DW_DSC_range:                     return "DSC_range";
 493   }
 494   llvm_unreachable("Unknown Dwarf Discriminant Descriptor");
 495   return "";
 496 }
 497
 498 /// LNStandardString - Return the string for the specified line number standard.
 499 ///
 500 const char *llvm::dwarf::LNStandardString(unsigned Standard) {
 501    switch (Standard) {
 502     case DW_LNS_copy:                      return "LNS_copy";
 503     case DW_LNS_advance_pc:                return "LNS_advance_pc";
 504     case DW_LNS_advance_line:              return "LNS_advance_line";
 505     case DW_LNS_set_file:                  return "LNS_set_file";
 506     case DW_LNS_set_column:                return "LNS_set_column";
 507     case DW_LNS_negate_stmt:               return "LNS_negate_stmt";
 508     case DW_LNS_set_basic_block:           return "LNS_set_basic_block";
 509     case DW_LNS_const_add_pc:              return "LNS_const_add_pc";
 510     case DW_LNS_fixed_advance_pc:          return "LNS_fixed_advance_pc";
 511     case DW_LNS_set_prologue_end:          return "LNS_set_prologue_end";
 512     case DW_LNS_set_epilogue_begin:        return "LNS_set_epilogue_begin";
 513     case DW_LNS_set_isa:                   return "LNS_set_isa";
 514   }
 515   llvm_unreachable("Unknown Dwarf Line Number Standard");
 516   return "";
 517 }
 518
 519 /// LNExtendedString - Return the string for the specified line number extended
 520 /// opcode encodings.
 521 const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
 522    switch (Encoding) {
 523     // Line Number Extended Opcode Encodings
 524     case DW_LNE_end_sequence:              return "LNE_end_sequence";
 525     case DW_LNE_set_address:               return "LNE_set_address";
 526     case DW_LNE_define_file:               return "LNE_define_file";
 527     case DW_LNE_lo_user:                   return "LNE_lo_user";
 528     case DW_LNE_hi_user:                   return "LNE_hi_user";
 529   }
 530   llvm_unreachable("Unknown Dwarf Line Number Extended Opcode Encoding");
 531   return "";
 532 }
 533
 534 /// MacinfoString - Return the string for the specified macinfo type encodings.
 535 ///
 536 const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
 537    switch (Encoding) {
 538     // Macinfo Type Encodings
 539     case DW_MACINFO_define:                return "MACINFO_define";
 540     case DW_MACINFO_undef:                 return "MACINFO_undef";
 541     case DW_MACINFO_start_file:            return "MACINFO_start_file";
 542     case DW_MACINFO_end_file:              return "MACINFO_end_file";
 543     case DW_MACINFO_vendor_ext:            return "MACINFO_vendor_ext";
 544   }
 545   llvm_unreachable("Unknown Dwarf Macinfo Type Encodings");
 546   return "";
 547 }
 548
 549 /// CallFrameString - Return the string for the specified call frame instruction
 550 /// encodings.
 551 const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
 552    switch (Encoding) {
 553     case DW_CFA_advance_loc:               return "CFA_advance_loc";
 554     case DW_CFA_offset:                    return "CFA_offset";
 555     case DW_CFA_restore:                   return "CFA_restore";
 556     case DW_CFA_set_loc:                   return "CFA_set_loc";
 557     case DW_CFA_advance_loc1:              return "CFA_advance_loc1";
 558     case DW_CFA_advance_loc2:              return "CFA_advance_loc2";
 559     case DW_CFA_advance_loc4:              return "CFA_advance_loc4";
 560     case DW_CFA_offset_extended:           return "CFA_offset_extended";
 561     case DW_CFA_restore_extended:          return "CFA_restore_extended";
 562     case DW_CFA_undefined:                 return "CFA_undefined";
 563     case DW_CFA_same_value:                return "CFA_same_value";
 564     case DW_CFA_register:                  return "CFA_register";
 565     case DW_CFA_remember_state:            return "CFA_remember_state";
 566     case DW_CFA_restore_state:             return "CFA_restore_state";
 567     case DW_CFA_def_cfa:                   return "CFA_def_cfa";
 568     case DW_CFA_def_cfa_register:          return "CFA_def_cfa_register";
 569     case DW_CFA_def_cfa_offset:            return "CFA_def_cfa_offset";
 570     case DW_CFA_def_cfa_expression:        return "CFA_def_cfa_expression";
 571     case DW_CFA_expression:                return "CFA_expression";
 572     case DW_CFA_offset_extended_sf:        return "CFA_offset_extended_sf";
 573     case DW_CFA_def_cfa_sf:                return "CFA_def_cfa_sf";
 574     case DW_CFA_def_cfa_offset_sf:         return "CFA_def_cfa_offset_sf";
 575     case DW_CFA_val_offset:                return "CFA_val_offset";
 576     case DW_CFA_val_offset_sf:             return "CFA_val_offset_sf";
 577     case DW_CFA_val_expression:            return "CFA_val_expression";
 578     case DW_CFA_lo_user:                   return "CFA_lo_user";
 579     case DW_CFA_hi_user:                   return "CFA_hi_user";
 580   }
 581   llvm_unreachable("Unknown Dwarf Call Frame Instruction Encodings");
 582   return "";
 583 }