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      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 using namespace llvm;
     16 using namespace dwarf;
     17 
     18 /// TagString - Return the string for the specified tag.
     19 ///
     20 const char *llvm::dwarf::TagString(unsigned Tag) {
     21   switch (Tag) {
     22   case DW_TAG_array_type:                return "DW_TAG_array_type";
     23   case DW_TAG_class_type:                return "DW_TAG_class_type";
     24   case DW_TAG_entry_point:               return "DW_TAG_entry_point";
     25   case DW_TAG_enumeration_type:          return "DW_TAG_enumeration_type";
     26   case DW_TAG_formal_parameter:          return "DW_TAG_formal_parameter";
     27   case DW_TAG_imported_declaration:      return "DW_TAG_imported_declaration";
     28   case DW_TAG_label:                     return "DW_TAG_label";
     29   case DW_TAG_lexical_block:             return "DW_TAG_lexical_block";
     30   case DW_TAG_member:                    return "DW_TAG_member";
     31   case DW_TAG_pointer_type:              return "DW_TAG_pointer_type";
     32   case DW_TAG_reference_type:            return "DW_TAG_reference_type";
     33   case DW_TAG_compile_unit:              return "DW_TAG_compile_unit";
     34   case DW_TAG_string_type:               return "DW_TAG_string_type";
     35   case DW_TAG_structure_type:            return "DW_TAG_structure_type";
     36   case DW_TAG_subroutine_type:           return "DW_TAG_subroutine_type";
     37   case DW_TAG_typedef:                   return "DW_TAG_typedef";
     38   case DW_TAG_union_type:                return "DW_TAG_union_type";
     39   case DW_TAG_unspecified_parameters:    return "DW_TAG_unspecified_parameters";
     40   case DW_TAG_variant:                   return "DW_TAG_variant";
     41   case DW_TAG_common_block:              return "DW_TAG_common_block";
     42   case DW_TAG_common_inclusion:          return "DW_TAG_common_inclusion";
     43   case DW_TAG_inheritance:               return "DW_TAG_inheritance";
     44   case DW_TAG_inlined_subroutine:        return "DW_TAG_inlined_subroutine";
     45   case DW_TAG_module:                    return "DW_TAG_module";
     46   case DW_TAG_ptr_to_member_type:        return "DW_TAG_ptr_to_member_type";
     47   case DW_TAG_set_type:                  return "DW_TAG_set_type";
     48   case DW_TAG_subrange_type:             return "DW_TAG_subrange_type";
     49   case DW_TAG_with_stmt:                 return "DW_TAG_with_stmt";
     50   case DW_TAG_access_declaration:        return "DW_TAG_access_declaration";
     51   case DW_TAG_base_type:                 return "DW_TAG_base_type";
     52   case DW_TAG_catch_block:               return "DW_TAG_catch_block";
     53   case DW_TAG_const_type:                return "DW_TAG_const_type";
     54   case DW_TAG_constant:                  return "DW_TAG_constant";
     55   case DW_TAG_enumerator:                return "DW_TAG_enumerator";
     56   case DW_TAG_file_type:                 return "DW_TAG_file_type";
     57   case DW_TAG_friend:                    return "DW_TAG_friend";
     58   case DW_TAG_namelist:                  return "DW_TAG_namelist";
     59   case DW_TAG_namelist_item:             return "DW_TAG_namelist_item";
     60   case DW_TAG_packed_type:               return "DW_TAG_packed_type";
     61   case DW_TAG_subprogram:                return "DW_TAG_subprogram";
     62   case DW_TAG_template_type_parameter:  return "DW_TAG_template_type_parameter";
     63   case DW_TAG_template_value_parameter:return "DW_TAG_template_value_parameter";
     64   case DW_TAG_thrown_type:               return "DW_TAG_thrown_type";
     65   case DW_TAG_try_block:                 return "DW_TAG_try_block";
     66   case DW_TAG_variant_part:              return "DW_TAG_variant_part";
     67   case DW_TAG_variable:                  return "DW_TAG_variable";
     68   case DW_TAG_volatile_type:             return "DW_TAG_volatile_type";
     69   case DW_TAG_dwarf_procedure:           return "DW_TAG_dwarf_procedure";
     70   case DW_TAG_restrict_type:             return "DW_TAG_restrict_type";
     71   case DW_TAG_interface_type:            return "DW_TAG_interface_type";
     72   case DW_TAG_namespace:                 return "DW_TAG_namespace";
     73   case DW_TAG_imported_module:           return "DW_TAG_imported_module";
     74   case DW_TAG_unspecified_type:          return "DW_TAG_unspecified_type";
     75   case DW_TAG_partial_unit:              return "DW_TAG_partial_unit";
     76   case DW_TAG_imported_unit:             return "DW_TAG_imported_unit";
     77   case DW_TAG_condition:                 return "DW_TAG_condition";
     78   case DW_TAG_shared_type:               return "DW_TAG_shared_type";
     79   case DW_TAG_lo_user:                   return "DW_TAG_lo_user";
     80   case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
     81   case DW_TAG_auto_variable:             return "DW_TAG_auto_variable";
     82   case DW_TAG_arg_variable:              return "DW_TAG_arg_variable";
     83   case DW_TAG_rvalue_reference_type:     return "DW_TAG_rvalue_reference_type";
     84   case DW_TAG_template_alias:            return "DW_TAG_template_alias";
     85   case DW_TAG_MIPS_loop:                 return "DW_TAG_MIPS_loop";
     86   case DW_TAG_type_unit:                 return "DW_TAG_type_unit";
     87   case DW_TAG_format_label:              return "DW_TAG_format_label";
     88   case DW_TAG_function_template:         return "DW_TAG_function_template";
     89   case DW_TAG_class_template:            return "DW_TAG_class_template";
     90   case DW_TAG_GNU_template_template_param:
     91     return "DW_TAG_GNU_template_template_param";
     92   case DW_TAG_GNU_template_parameter_pack:
     93     return "DW_TAG_GNU_template_parameter_pack";
     94   case DW_TAG_GNU_formal_parameter_pack:
     95     return "DW_TAG_GNU_formal_parameter_pack";
     96   case DW_TAG_APPLE_property:            return "DW_TAG_APPLE_property";
     97   }
     98   return 0;
     99 }
    100 
    101 /// ChildrenString - Return the string for the specified children flag.
    102 ///
    103 const char *llvm::dwarf::ChildrenString(unsigned Children) {
    104   switch (Children) {
    105   case DW_CHILDREN_no:                   return "DW_CHILDREN_no";
    106   case DW_CHILDREN_yes:                  return "DW_CHILDREN_yes";
    107   }
    108   return 0;
    109 }
    110 
    111 /// AttributeString - Return the string for the specified attribute.
    112 ///
    113 const char *llvm::dwarf::AttributeString(unsigned Attribute) {
    114   switch (Attribute) {
    115   case DW_AT_sibling:                    return "DW_AT_sibling";
    116   case DW_AT_location:                   return "DW_AT_location";
    117   case DW_AT_name:                       return "DW_AT_name";
    118   case DW_AT_ordering:                   return "DW_AT_ordering";
    119   case DW_AT_byte_size:                  return "DW_AT_byte_size";
    120   case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
    121   case DW_AT_bit_size:                   return "DW_AT_bit_size";
    122   case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
    123   case DW_AT_low_pc:                     return "DW_AT_low_pc";
    124   case DW_AT_high_pc:                    return "DW_AT_high_pc";
    125   case DW_AT_language:                   return "DW_AT_language";
    126   case DW_AT_discr:                      return "DW_AT_discr";
    127   case DW_AT_discr_value:                return "DW_AT_discr_value";
    128   case DW_AT_visibility:                 return "DW_AT_visibility";
    129   case DW_AT_import:                     return "DW_AT_import";
    130   case DW_AT_string_length:              return "DW_AT_string_length";
    131   case DW_AT_common_reference:           return "DW_AT_common_reference";
    132   case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
    133   case DW_AT_const_value:                return "DW_AT_const_value";
    134   case DW_AT_containing_type:            return "DW_AT_containing_type";
    135   case DW_AT_default_value:              return "DW_AT_default_value";
    136   case DW_AT_inline:                     return "DW_AT_inline";
    137   case DW_AT_is_optional:                return "DW_AT_is_optional";
    138   case DW_AT_lower_bound:                return "DW_AT_lower_bound";
    139   case DW_AT_producer:                   return "DW_AT_producer";
    140   case DW_AT_prototyped:                 return "DW_AT_prototyped";
    141   case DW_AT_return_addr:                return "DW_AT_return_addr";
    142   case DW_AT_start_scope:                return "DW_AT_start_scope";
    143   case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
    144   case DW_AT_upper_bound:                return "DW_AT_upper_bound";
    145   case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
    146   case DW_AT_accessibility:              return "DW_AT_accessibility";
    147   case DW_AT_address_class:              return "DW_AT_address_class";
    148   case DW_AT_artificial:                 return "DW_AT_artificial";
    149   case DW_AT_base_types:                 return "DW_AT_base_types";
    150   case DW_AT_calling_convention:         return "DW_AT_calling_convention";
    151   case DW_AT_count:                      return "DW_AT_count";
    152   case DW_AT_data_member_location:       return "DW_AT_data_member_location";
    153   case DW_AT_decl_column:                return "DW_AT_decl_column";
    154   case DW_AT_decl_file:                  return "DW_AT_decl_file";
    155   case DW_AT_decl_line:                  return "DW_AT_decl_line";
    156   case DW_AT_declaration:                return "DW_AT_declaration";
    157   case DW_AT_discr_list:                 return "DW_AT_discr_list";
    158   case DW_AT_encoding:                   return "DW_AT_encoding";
    159   case DW_AT_external:                   return "DW_AT_external";
    160   case DW_AT_frame_base:                 return "DW_AT_frame_base";
    161   case DW_AT_friend:                     return "DW_AT_friend";
    162   case DW_AT_identifier_case:            return "DW_AT_identifier_case";
    163   case DW_AT_macro_info:                 return "DW_AT_macro_info";
    164   case DW_AT_namelist_item:              return "DW_AT_namelist_item";
    165   case DW_AT_priority:                   return "DW_AT_priority";
    166   case DW_AT_segment:                    return "DW_AT_segment";
    167   case DW_AT_specification:              return "DW_AT_specification";
    168   case DW_AT_static_link:                return "DW_AT_static_link";
    169   case DW_AT_type:                       return "DW_AT_type";
    170   case DW_AT_use_location:               return "DW_AT_use_location";
    171   case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
    172   case DW_AT_virtuality:                 return "DW_AT_virtuality";
    173   case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
    174   case DW_AT_allocated:                  return "DW_AT_allocated";
    175   case DW_AT_associated:                 return "DW_AT_associated";
    176   case DW_AT_data_location:              return "DW_AT_data_location";
    177   case DW_AT_byte_stride:                return "DW_AT_byte_stride";
    178   case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
    179   case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
    180   case DW_AT_extension:                  return "DW_AT_extension";
    181   case DW_AT_ranges:                     return "DW_AT_ranges";
    182   case DW_AT_trampoline:                 return "DW_AT_trampoline";
    183   case DW_AT_call_column:                return "DW_AT_call_column";
    184   case DW_AT_call_file:                  return "DW_AT_call_file";
    185   case DW_AT_call_line:                  return "DW_AT_call_line";
    186   case DW_AT_description:                return "DW_AT_description";
    187   case DW_AT_binary_scale:               return "DW_AT_binary_scale";
    188   case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
    189   case DW_AT_small:                      return "DW_AT_small";
    190   case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
    191   case DW_AT_digit_count:                return "DW_AT_digit_count";
    192   case DW_AT_picture_string:             return "DW_AT_picture_string";
    193   case DW_AT_mutable:                    return "DW_AT_mutable";
    194   case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
    195   case DW_AT_explicit:                   return "DW_AT_explicit";
    196   case DW_AT_object_pointer:             return "DW_AT_object_pointer";
    197   case DW_AT_endianity:                  return "DW_AT_endianity";
    198   case DW_AT_elemental:                  return "DW_AT_elemental";
    199   case DW_AT_pure:                       return "DW_AT_pure";
    200   case DW_AT_recursive:                  return "DW_AT_recursive";
    201   case DW_AT_signature:                  return "DW_AT_signature";
    202   case DW_AT_main_subprogram:            return "DW_AT_main_subprogram";
    203   case DW_AT_data_bit_offset:            return "DW_AT_data_bit_offset";
    204   case DW_AT_const_expr:                 return "DW_AT_const_expr";
    205   case DW_AT_enum_class:                 return "DW_AT_enum_class";
    206   case DW_AT_linkage_name:               return "DW_AT_linkage_name";
    207   case DW_AT_MIPS_loop_begin:            return "DW_AT_MIPS_loop_begin";
    208   case DW_AT_MIPS_tail_loop_begin:       return "DW_AT_MIPS_tail_loop_begin";
    209   case DW_AT_MIPS_epilog_begin:          return "DW_AT_MIPS_epilog_begin";
    210   case DW_AT_MIPS_loop_unroll_factor:    return "DW_AT_MIPS_loop_unroll_factor";
    211   case DW_AT_MIPS_software_pipeline_depth:
    212     return "DW_AT_MIPS_software_pipeline_depth";
    213   case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
    214   case DW_AT_MIPS_stride:                return "DW_AT_MIPS_stride";
    215   case DW_AT_MIPS_abstract_name:         return "DW_AT_MIPS_abstract_name";
    216   case DW_AT_MIPS_clone_origin:          return "DW_AT_MIPS_clone_origin";
    217   case DW_AT_MIPS_has_inlines:           return "DW_AT_MIPS_has_inlines";
    218   case DW_AT_MIPS_stride_byte:           return "DW_AT_MIPS_stride_byte";
    219   case DW_AT_MIPS_stride_elem:           return "DW_AT_MIPS_stride_elem";
    220   case DW_AT_MIPS_ptr_dopetype:          return "DW_AT_MIPS_ptr_dopetype";
    221   case DW_AT_MIPS_allocatable_dopetype:
    222     return "DW_AT_MIPS_allocatable_dopetype";
    223   case DW_AT_MIPS_assumed_shape_dopetype:
    224     return "DW_AT_MIPS_assumed_shape_dopetype";
    225   case DW_AT_sf_names:                   return "DW_AT_sf_names";
    226   case DW_AT_src_info:                   return "DW_AT_src_info";
    227   case DW_AT_mac_info:                   return "DW_AT_mac_info";
    228   case DW_AT_src_coords:                 return "DW_AT_src_coords";
    229   case DW_AT_body_begin:                 return "DW_AT_body_begin";
    230   case DW_AT_body_end:                   return "DW_AT_body_end";
    231   case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
    232   case DW_AT_GNU_template_name:          return "DW_AT_GNU_template_name";
    233   case DW_AT_GNU_odr_signature:          return "DW_AT_GNU_odr_signature";
    234   case DW_AT_MIPS_assumed_size:          return "DW_AT_MIPS_assumed_size";
    235   case DW_AT_lo_user:                    return "DW_AT_lo_user";
    236   case DW_AT_hi_user:                    return "DW_AT_hi_user";
    237   case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
    238   case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
    239   case DW_AT_APPLE_isa:                  return "DW_AT_APPLE_isa";
    240   case DW_AT_APPLE_block:                return "DW_AT_APPLE_block";
    241   case DW_AT_APPLE_major_runtime_vers:   return "DW_AT_APPLE_major_runtime_vers";
    242   case DW_AT_APPLE_runtime_class:        return "DW_AT_APPLE_runtime_class";
    243   case DW_AT_APPLE_omit_frame_ptr:       return "DW_AT_APPLE_omit_frame_ptr";
    244   case DW_AT_APPLE_property_name:        return "DW_AT_APPLE_property_name";
    245   case DW_AT_APPLE_property_getter:      return "DW_AT_APPLE_property_getter";
    246   case DW_AT_APPLE_property_setter:      return "DW_AT_APPLE_property_setter";
    247   case DW_AT_APPLE_property_attribute:   return "DW_AT_APPLE_property_attribute";
    248   case DW_AT_APPLE_property:             return "DW_AT_APPLE_property";
    249   case DW_AT_APPLE_objc_complete_type:   return "DW_AT_APPLE_objc_complete_type";
    250 
    251     // DWARF5 Fission Extension Attribute
    252   case DW_AT_GNU_dwo_name:               return "DW_AT_GNU_dwo_name";
    253   case DW_AT_GNU_dwo_id:                 return "DW_AT_GNU_dwo_id";
    254   case DW_AT_GNU_ranges_base:            return "DW_AT_GNU_ranges_base";
    255   case DW_AT_GNU_addr_base:              return "DW_AT_GNU_addr_base";
    256   case DW_AT_GNU_pubnames:               return "DW_AT_GNU_pubnames";
    257   case DW_AT_GNU_pubtypes:               return "DW_AT_GNU_pubtypes";
    258   }
    259   return 0;
    260 }
    261 
    262 /// FormEncodingString - Return the string for the specified form encoding.
    263 ///
    264 const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
    265   switch (Encoding) {
    266   case DW_FORM_addr:                     return "DW_FORM_addr";
    267   case DW_FORM_block2:                   return "DW_FORM_block2";
    268   case DW_FORM_block4:                   return "DW_FORM_block4";
    269   case DW_FORM_data2:                    return "DW_FORM_data2";
    270   case DW_FORM_data4:                    return "DW_FORM_data4";
    271   case DW_FORM_data8:                    return "DW_FORM_data8";
    272   case DW_FORM_string:                   return "DW_FORM_string";
    273   case DW_FORM_block:                    return "DW_FORM_block";
    274   case DW_FORM_block1:                   return "DW_FORM_block1";
    275   case DW_FORM_data1:                    return "DW_FORM_data1";
    276   case DW_FORM_flag:                     return "DW_FORM_flag";
    277   case DW_FORM_sdata:                    return "DW_FORM_sdata";
    278   case DW_FORM_strp:                     return "DW_FORM_strp";
    279   case DW_FORM_udata:                    return "DW_FORM_udata";
    280   case DW_FORM_ref_addr:                 return "DW_FORM_ref_addr";
    281   case DW_FORM_ref1:                     return "DW_FORM_ref1";
    282   case DW_FORM_ref2:                     return "DW_FORM_ref2";
    283   case DW_FORM_ref4:                     return "DW_FORM_ref4";
    284   case DW_FORM_ref8:                     return "DW_FORM_ref8";
    285   case DW_FORM_ref_udata:                return "DW_FORM_ref_udata";
    286   case DW_FORM_indirect:                 return "DW_FORM_indirect";
    287   case DW_FORM_sec_offset:               return "DW_FORM_sec_offset";
    288   case DW_FORM_exprloc:                  return "DW_FORM_exprloc";
    289   case DW_FORM_flag_present:             return "DW_FORM_flag_present";
    290   case DW_FORM_ref_sig8:                 return "DW_FORM_ref_sig8";
    291 
    292     // DWARF5 Fission Extension Forms
    293   case DW_FORM_GNU_addr_index:           return "DW_FORM_GNU_addr_index";
    294   case DW_FORM_GNU_str_index:            return "DW_FORM_GNU_str_index";
    295   }
    296   return 0;
    297 }
    298 
    299 /// OperationEncodingString - Return the string for the specified operation
    300 /// encoding.
    301 const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
    302   switch (Encoding) {
    303   case DW_OP_addr:                       return "DW_OP_addr";
    304   case DW_OP_deref:                      return "DW_OP_deref";
    305   case DW_OP_const1u:                    return "DW_OP_const1u";
    306   case DW_OP_const1s:                    return "DW_OP_const1s";
    307   case DW_OP_const2u:                    return "DW_OP_const2u";
    308   case DW_OP_const2s:                    return "DW_OP_const2s";
    309   case DW_OP_const4u:                    return "DW_OP_const4u";
    310   case DW_OP_const4s:                    return "DW_OP_const4s";
    311   case DW_OP_const8u:                    return "DW_OP_const8u";
    312   case DW_OP_const8s:                    return "DW_OP_const8s";
    313   case DW_OP_constu:                     return "DW_OP_constu";
    314   case DW_OP_consts:                     return "DW_OP_consts";
    315   case DW_OP_dup:                        return "DW_OP_dup";
    316   case DW_OP_drop:                       return "DW_OP_drop";
    317   case DW_OP_over:                       return "DW_OP_over";
    318   case DW_OP_pick:                       return "DW_OP_pick";
    319   case DW_OP_swap:                       return "DW_OP_swap";
    320   case DW_OP_rot:                        return "DW_OP_rot";
    321   case DW_OP_xderef:                     return "DW_OP_xderef";
    322   case DW_OP_abs:                        return "DW_OP_abs";
    323   case DW_OP_and:                        return "DW_OP_and";
    324   case DW_OP_div:                        return "DW_OP_div";
    325   case DW_OP_minus:                      return "DW_OP_minus";
    326   case DW_OP_mod:                        return "DW_OP_mod";
    327   case DW_OP_mul:                        return "DW_OP_mul";
    328   case DW_OP_neg:                        return "DW_OP_neg";
    329   case DW_OP_not:                        return "DW_OP_not";
    330   case DW_OP_or:                         return "DW_OP_or";
    331   case DW_OP_plus:                       return "DW_OP_plus";
    332   case DW_OP_plus_uconst:                return "DW_OP_plus_uconst";
    333   case DW_OP_shl:                        return "DW_OP_shl";
    334   case DW_OP_shr:                        return "DW_OP_shr";
    335   case DW_OP_shra:                       return "DW_OP_shra";
    336   case DW_OP_xor:                        return "DW_OP_xor";
    337   case DW_OP_skip:                       return "DW_OP_skip";
    338   case DW_OP_bra:                        return "DW_OP_bra";
    339   case DW_OP_eq:                         return "DW_OP_eq";
    340   case DW_OP_ge:                         return "DW_OP_ge";
    341   case DW_OP_gt:                         return "DW_OP_gt";
    342   case DW_OP_le:                         return "DW_OP_le";
    343   case DW_OP_lt:                         return "DW_OP_lt";
    344   case DW_OP_ne:                         return "DW_OP_ne";
    345   case DW_OP_lit0:                       return "DW_OP_lit0";
    346   case DW_OP_lit1:                       return "DW_OP_lit1";
    347   case DW_OP_lit2:                       return "DW_OP_lit2";
    348   case DW_OP_lit3:                       return "DW_OP_lit3";
    349   case DW_OP_lit4:                       return "DW_OP_lit4";
    350   case DW_OP_lit5:                       return "DW_OP_lit5";
    351   case DW_OP_lit6:                       return "DW_OP_lit6";
    352   case DW_OP_lit7:                       return "DW_OP_lit7";
    353   case DW_OP_lit8:                       return "DW_OP_lit8";
    354   case DW_OP_lit9:                       return "DW_OP_lit9";
    355   case DW_OP_lit10:                      return "DW_OP_lit10";
    356   case DW_OP_lit11:                      return "DW_OP_lit11";
    357   case DW_OP_lit12:                      return "DW_OP_lit12";
    358   case DW_OP_lit13:                      return "DW_OP_lit13";
    359   case DW_OP_lit14:                      return "DW_OP_lit14";
    360   case DW_OP_lit15:                      return "DW_OP_lit15";
    361   case DW_OP_lit16:                      return "DW_OP_lit16";
    362   case DW_OP_lit17:                      return "DW_OP_lit17";
    363   case DW_OP_lit18:                      return "DW_OP_lit18";
    364   case DW_OP_lit19:                      return "DW_OP_lit19";
    365   case DW_OP_lit20:                      return "DW_OP_lit20";
    366   case DW_OP_lit21:                      return "DW_OP_lit21";
    367   case DW_OP_lit22:                      return "DW_OP_lit22";
    368   case DW_OP_lit23:                      return "DW_OP_lit23";
    369   case DW_OP_lit24:                      return "DW_OP_lit24";
    370   case DW_OP_lit25:                      return "DW_OP_lit25";
    371   case DW_OP_lit26:                      return "DW_OP_lit26";
    372   case DW_OP_lit27:                      return "DW_OP_lit27";
    373   case DW_OP_lit28:                      return "DW_OP_lit28";
    374   case DW_OP_lit29:                      return "DW_OP_lit29";
    375   case DW_OP_lit30:                      return "DW_OP_lit30";
    376   case DW_OP_lit31:                      return "DW_OP_lit31";
    377   case DW_OP_reg0:                       return "DW_OP_reg0";
    378   case DW_OP_reg1:                       return "DW_OP_reg1";
    379   case DW_OP_reg2:                       return "DW_OP_reg2";
    380   case DW_OP_reg3:                       return "DW_OP_reg3";
    381   case DW_OP_reg4:                       return "DW_OP_reg4";
    382   case DW_OP_reg5:                       return "DW_OP_reg5";
    383   case DW_OP_reg6:                       return "DW_OP_reg6";
    384   case DW_OP_reg7:                       return "DW_OP_reg7";
    385   case DW_OP_reg8:                       return "DW_OP_reg8";
    386   case DW_OP_reg9:                       return "DW_OP_reg9";
    387   case DW_OP_reg10:                      return "DW_OP_reg10";
    388   case DW_OP_reg11:                      return "DW_OP_reg11";
    389   case DW_OP_reg12:                      return "DW_OP_reg12";
    390   case DW_OP_reg13:                      return "DW_OP_reg13";
    391   case DW_OP_reg14:                      return "DW_OP_reg14";
    392   case DW_OP_reg15:                      return "DW_OP_reg15";
    393   case DW_OP_reg16:                      return "DW_OP_reg16";
    394   case DW_OP_reg17:                      return "DW_OP_reg17";
    395   case DW_OP_reg18:                      return "DW_OP_reg18";
    396   case DW_OP_reg19:                      return "DW_OP_reg19";
    397   case DW_OP_reg20:                      return "DW_OP_reg20";
    398   case DW_OP_reg21:                      return "DW_OP_reg21";
    399   case DW_OP_reg22:                      return "DW_OP_reg22";
    400   case DW_OP_reg23:                      return "DW_OP_reg23";
    401   case DW_OP_reg24:                      return "DW_OP_reg24";
    402   case DW_OP_reg25:                      return "DW_OP_reg25";
    403   case DW_OP_reg26:                      return "DW_OP_reg26";
    404   case DW_OP_reg27:                      return "DW_OP_reg27";
    405   case DW_OP_reg28:                      return "DW_OP_reg28";
    406   case DW_OP_reg29:                      return "DW_OP_reg29";
    407   case DW_OP_reg30:                      return "DW_OP_reg30";
    408   case DW_OP_reg31:                      return "DW_OP_reg31";
    409   case DW_OP_breg0:                      return "DW_OP_breg0";
    410   case DW_OP_breg1:                      return "DW_OP_breg1";
    411   case DW_OP_breg2:                      return "DW_OP_breg2";
    412   case DW_OP_breg3:                      return "DW_OP_breg3";
    413   case DW_OP_breg4:                      return "DW_OP_breg4";
    414   case DW_OP_breg5:                      return "DW_OP_breg5";
    415   case DW_OP_breg6:                      return "DW_OP_breg6";
    416   case DW_OP_breg7:                      return "DW_OP_breg7";
    417   case DW_OP_breg8:                      return "DW_OP_breg8";
    418   case DW_OP_breg9:                      return "DW_OP_breg9";
    419   case DW_OP_breg10:                     return "DW_OP_breg10";
    420   case DW_OP_breg11:                     return "DW_OP_breg11";
    421   case DW_OP_breg12:                     return "DW_OP_breg12";
    422   case DW_OP_breg13:                     return "DW_OP_breg13";
    423   case DW_OP_breg14:                     return "DW_OP_breg14";
    424   case DW_OP_breg15:                     return "DW_OP_breg15";
    425   case DW_OP_breg16:                     return "DW_OP_breg16";
    426   case DW_OP_breg17:                     return "DW_OP_breg17";
    427   case DW_OP_breg18:                     return "DW_OP_breg18";
    428   case DW_OP_breg19:                     return "DW_OP_breg19";
    429   case DW_OP_breg20:                     return "DW_OP_breg20";
    430   case DW_OP_breg21:                     return "DW_OP_breg21";
    431   case DW_OP_breg22:                     return "DW_OP_breg22";
    432   case DW_OP_breg23:                     return "DW_OP_breg23";
    433   case DW_OP_breg24:                     return "DW_OP_breg24";
    434   case DW_OP_breg25:                     return "DW_OP_breg25";
    435   case DW_OP_breg26:                     return "DW_OP_breg26";
    436   case DW_OP_breg27:                     return "DW_OP_breg27";
    437   case DW_OP_breg28:                     return "DW_OP_breg28";
    438   case DW_OP_breg29:                     return "DW_OP_breg29";
    439   case DW_OP_breg30:                     return "DW_OP_breg30";
    440   case DW_OP_breg31:                     return "DW_OP_breg31";
    441   case DW_OP_regx:                       return "DW_OP_regx";
    442   case DW_OP_fbreg:                      return "DW_OP_fbreg";
    443   case DW_OP_bregx:                      return "DW_OP_bregx";
    444   case DW_OP_piece:                      return "DW_OP_piece";
    445   case DW_OP_deref_size:                 return "DW_OP_deref_size";
    446   case DW_OP_xderef_size:                return "DW_OP_xderef_size";
    447   case DW_OP_nop:                        return "DW_OP_nop";
    448   case DW_OP_push_object_address:        return "DW_OP_push_object_address";
    449   case DW_OP_call2:                      return "DW_OP_call2";
    450   case DW_OP_call4:                      return "DW_OP_call4";
    451   case DW_OP_call_ref:                   return "DW_OP_call_ref";
    452   case DW_OP_form_tls_address:           return "DW_OP_form_tls_address";
    453   case DW_OP_call_frame_cfa:             return "DW_OP_call_frame_cfa";
    454   case DW_OP_bit_piece:                  return "DW_OP_bit_piece";
    455   case DW_OP_implicit_value:             return "DW_OP_implicit_value";
    456   case DW_OP_stack_value:                return "DW_OP_stack_value";
    457   case DW_OP_lo_user:                    return "DW_OP_lo_user";
    458   case DW_OP_hi_user:                    return "DW_OP_hi_user";
    459 
    460     // DWARF5 Fission Proposal Op Extensions
    461   case DW_OP_GNU_addr_index:             return "DW_OP_GNU_addr_index";
    462   case DW_OP_GNU_const_index:            return "DW_OP_GNU_const_index";
    463   }
    464   return 0;
    465 }
    466 
    467 /// AttributeEncodingString - Return the string for the specified attribute
    468 /// encoding.
    469 const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
    470   switch (Encoding) {
    471   case DW_ATE_address:                   return "DW_ATE_address";
    472   case DW_ATE_boolean:                   return "DW_ATE_boolean";
    473   case DW_ATE_complex_float:             return "DW_ATE_complex_float";
    474   case DW_ATE_float:                     return "DW_ATE_float";
    475   case DW_ATE_signed:                    return "DW_ATE_signed";
    476   case DW_ATE_signed_char:               return "DW_ATE_signed_char";
    477   case DW_ATE_unsigned:                  return "DW_ATE_unsigned";
    478   case DW_ATE_unsigned_char:             return "DW_ATE_unsigned_char";
    479   case DW_ATE_imaginary_float:           return "DW_ATE_imaginary_float";
    480   case DW_ATE_UTF:                       return "DW_ATE_UTF";
    481   case DW_ATE_packed_decimal:            return "DW_ATE_packed_decimal";
    482   case DW_ATE_numeric_string:            return "DW_ATE_numeric_string";
    483   case DW_ATE_edited:                    return "DW_ATE_edited";
    484   case DW_ATE_signed_fixed:              return "DW_ATE_signed_fixed";
    485   case DW_ATE_unsigned_fixed:            return "DW_ATE_unsigned_fixed";
    486   case DW_ATE_decimal_float:             return "DW_ATE_decimal_float";
    487   case DW_ATE_lo_user:                   return "DW_ATE_lo_user";
    488   case DW_ATE_hi_user:                   return "DW_ATE_hi_user";
    489   }
    490   return 0;
    491 }
    492 
    493 /// DecimalSignString - Return the string for the specified decimal sign
    494 /// attribute.
    495 const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
    496   switch (Sign) {
    497   case DW_DS_unsigned:                   return "DW_DS_unsigned";
    498   case DW_DS_leading_overpunch:          return "DW_DS_leading_overpunch";
    499   case DW_DS_trailing_overpunch:         return "DW_DS_trailing_overpunch";
    500   case DW_DS_leading_separate:           return "DW_DS_leading_separate";
    501   case DW_DS_trailing_separate:          return "DW_DS_trailing_separate";
    502   }
    503   return 0;
    504 }
    505 
    506 /// EndianityString - Return the string for the specified endianity.
    507 ///
    508 const char *llvm::dwarf::EndianityString(unsigned Endian) {
    509   switch (Endian) {
    510   case DW_END_default:                   return "DW_END_default";
    511   case DW_END_big:                       return "DW_END_big";
    512   case DW_END_little:                    return "DW_END_little";
    513   case DW_END_lo_user:                   return "DW_END_lo_user";
    514   case DW_END_hi_user:                   return "DW_END_hi_user";
    515   }
    516   return 0;
    517 }
    518 
    519 /// AccessibilityString - Return the string for the specified accessibility.
    520 ///
    521 const char *llvm::dwarf::AccessibilityString(unsigned Access) {
    522   switch (Access) {
    523   // Accessibility codes
    524   case DW_ACCESS_public:                 return "DW_ACCESS_public";
    525   case DW_ACCESS_protected:              return "DW_ACCESS_protected";
    526   case DW_ACCESS_private:                return "DW_ACCESS_private";
    527   }
    528   return 0;
    529 }
    530 
    531 /// VisibilityString - Return the string for the specified visibility.
    532 ///
    533 const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
    534   switch (Visibility) {
    535   case DW_VIS_local:                     return "DW_VIS_local";
    536   case DW_VIS_exported:                  return "DW_VIS_exported";
    537   case DW_VIS_qualified:                 return "DW_VIS_qualified";
    538   }
    539   return 0;
    540 }
    541 
    542 /// VirtualityString - Return the string for the specified virtuality.
    543 ///
    544 const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
    545   switch (Virtuality) {
    546   case DW_VIRTUALITY_none:               return "DW_VIRTUALITY_none";
    547   case DW_VIRTUALITY_virtual:            return "DW_VIRTUALITY_virtual";
    548   case DW_VIRTUALITY_pure_virtual:       return "DW_VIRTUALITY_pure_virtual";
    549   }
    550   return 0;
    551 }
    552 
    553 /// LanguageString - Return the string for the specified language.
    554 ///
    555 const char *llvm::dwarf::LanguageString(unsigned Language) {
    556   switch (Language) {
    557   case DW_LANG_C89:                      return "DW_LANG_C89";
    558   case DW_LANG_C:                        return "DW_LANG_C";
    559   case DW_LANG_Ada83:                    return "DW_LANG_Ada83";
    560   case DW_LANG_C_plus_plus:              return "DW_LANG_C_plus_plus";
    561   case DW_LANG_Cobol74:                  return "DW_LANG_Cobol74";
    562   case DW_LANG_Cobol85:                  return "DW_LANG_Cobol85";
    563   case DW_LANG_Fortran77:                return "DW_LANG_Fortran77";
    564   case DW_LANG_Fortran90:                return "DW_LANG_Fortran90";
    565   case DW_LANG_Pascal83:                 return "DW_LANG_Pascal83";
    566   case DW_LANG_Modula2:                  return "DW_LANG_Modula2";
    567   case DW_LANG_Java:                     return "DW_LANG_Java";
    568   case DW_LANG_C99:                      return "DW_LANG_C99";
    569   case DW_LANG_Ada95:                    return "DW_LANG_Ada95";
    570   case DW_LANG_Fortran95:                return "DW_LANG_Fortran95";
    571   case DW_LANG_PLI:                      return "DW_LANG_PLI";
    572   case DW_LANG_ObjC:                     return "DW_LANG_ObjC";
    573   case DW_LANG_ObjC_plus_plus:           return "DW_LANG_ObjC_plus_plus";
    574   case DW_LANG_UPC:                      return "DW_LANG_UPC";
    575   case DW_LANG_D:                        return "DW_LANG_D";
    576   case DW_LANG_lo_user:                  return "DW_LANG_lo_user";
    577   case DW_LANG_hi_user:                  return "DW_LANG_hi_user";
    578   }
    579   return 0;
    580 }
    581 
    582 /// CaseString - Return the string for the specified identifier case.
    583 ///
    584 const char *llvm::dwarf::CaseString(unsigned Case) {
    585   switch (Case) {
    586   case DW_ID_case_sensitive:             return "DW_ID_case_sensitive";
    587   case DW_ID_up_case:                    return "DW_ID_up_case";
    588   case DW_ID_down_case:                  return "DW_ID_down_case";
    589   case DW_ID_case_insensitive:           return "DW_ID_case_insensitive";
    590   }
    591   return 0;
    592 }
    593 
    594 /// ConventionString - Return the string for the specified calling convention.
    595 ///
    596 const char *llvm::dwarf::ConventionString(unsigned Convention) {
    597    switch (Convention) {
    598    case DW_CC_normal:                     return "DW_CC_normal";
    599    case DW_CC_program:                    return "DW_CC_program";
    600    case DW_CC_nocall:                     return "DW_CC_nocall";
    601    case DW_CC_lo_user:                    return "DW_CC_lo_user";
    602    case DW_CC_hi_user:                    return "DW_CC_hi_user";
    603   }
    604   return 0;
    605 }
    606 
    607 /// InlineCodeString - Return the string for the specified inline code.
    608 ///
    609 const char *llvm::dwarf::InlineCodeString(unsigned Code) {
    610   switch (Code) {
    611   case DW_INL_not_inlined:               return "DW_INL_not_inlined";
    612   case DW_INL_inlined:                   return "DW_INL_inlined";
    613   case DW_INL_declared_not_inlined:      return "DW_INL_declared_not_inlined";
    614   case DW_INL_declared_inlined:          return "DW_INL_declared_inlined";
    615   }
    616   return 0;
    617 }
    618 
    619 /// ArrayOrderString - Return the string for the specified array order.
    620 ///
    621 const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
    622   switch (Order) {
    623   case DW_ORD_row_major:                 return "DW_ORD_row_major";
    624   case DW_ORD_col_major:                 return "DW_ORD_col_major";
    625   }
    626   return 0;
    627 }
    628 
    629 /// DiscriminantString - Return the string for the specified discriminant
    630 /// descriptor.
    631 const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
    632   switch (Discriminant) {
    633   case DW_DSC_label:                     return "DW_DSC_label";
    634   case DW_DSC_range:                     return "DW_DSC_range";
    635   }
    636   return 0;
    637 }
    638 
    639 /// LNStandardString - Return the string for the specified line number standard.
    640 ///
    641 const char *llvm::dwarf::LNStandardString(unsigned Standard) {
    642   switch (Standard) {
    643   case DW_LNS_copy:                      return "DW_LNS_copy";
    644   case DW_LNS_advance_pc:                return "DW_LNS_advance_pc";
    645   case DW_LNS_advance_line:              return "DW_LNS_advance_line";
    646   case DW_LNS_set_file:                  return "DW_LNS_set_file";
    647   case DW_LNS_set_column:                return "DW_LNS_set_column";
    648   case DW_LNS_negate_stmt:               return "DW_LNS_negate_stmt";
    649   case DW_LNS_set_basic_block:           return "DW_LNS_set_basic_block";
    650   case DW_LNS_const_add_pc:              return "DW_LNS_const_add_pc";
    651   case DW_LNS_fixed_advance_pc:          return "DW_LNS_fixed_advance_pc";
    652   case DW_LNS_set_prologue_end:          return "DW_LNS_set_prologue_end";
    653   case DW_LNS_set_epilogue_begin:        return "DW_LNS_set_epilogue_begin";
    654   case DW_LNS_set_isa:                   return "DW_LNS_set_isa";
    655   }
    656   return 0;
    657 }
    658 
    659 /// LNExtendedString - Return the string for the specified line number extended
    660 /// opcode encodings.
    661 const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
    662   switch (Encoding) {
    663   // Line Number Extended Opcode Encodings
    664   case DW_LNE_end_sequence:              return "DW_LNE_end_sequence";
    665   case DW_LNE_set_address:               return "DW_LNE_set_address";
    666   case DW_LNE_define_file:               return "DW_LNE_define_file";
    667   case DW_LNE_set_discriminator:         return "DW_LNE_set_discriminator";
    668   case DW_LNE_lo_user:                   return "DW_LNE_lo_user";
    669   case DW_LNE_hi_user:                   return "DW_LNE_hi_user";
    670   }
    671   return 0;
    672 }
    673 
    674 /// MacinfoString - Return the string for the specified macinfo type encodings.
    675 ///
    676 const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
    677   switch (Encoding) {
    678   // Macinfo Type Encodings
    679   case DW_MACINFO_define:                return "DW_MACINFO_define";
    680   case DW_MACINFO_undef:                 return "DW_MACINFO_undef";
    681   case DW_MACINFO_start_file:            return "DW_MACINFO_start_file";
    682   case DW_MACINFO_end_file:              return "DW_MACINFO_end_file";
    683   case DW_MACINFO_vendor_ext:            return "DW_MACINFO_vendor_ext";
    684   }
    685   return 0;
    686 }
    687 
    688 /// CallFrameString - Return the string for the specified call frame instruction
    689 /// encodings.
    690 const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
    691   switch (Encoding) {
    692   case DW_CFA_nop:                       return "DW_CFA_nop";
    693   case DW_CFA_advance_loc:               return "DW_CFA_advance_loc";
    694   case DW_CFA_offset:                    return "DW_CFA_offset";
    695   case DW_CFA_restore:                   return "DW_CFA_restore";
    696   case DW_CFA_set_loc:                   return "DW_CFA_set_loc";
    697   case DW_CFA_advance_loc1:              return "DW_CFA_advance_loc1";
    698   case DW_CFA_advance_loc2:              return "DW_CFA_advance_loc2";
    699   case DW_CFA_advance_loc4:              return "DW_CFA_advance_loc4";
    700   case DW_CFA_offset_extended:           return "DW_CFA_offset_extended";
    701   case DW_CFA_restore_extended:          return "DW_CFA_restore_extended";
    702   case DW_CFA_undefined:                 return "DW_CFA_undefined";
    703   case DW_CFA_same_value:                return "DW_CFA_same_value";
    704   case DW_CFA_register:                  return "DW_CFA_register";
    705   case DW_CFA_remember_state:            return "DW_CFA_remember_state";
    706   case DW_CFA_restore_state:             return "DW_CFA_restore_state";
    707   case DW_CFA_def_cfa:                   return "DW_CFA_def_cfa";
    708   case DW_CFA_def_cfa_register:          return "DW_CFA_def_cfa_register";
    709   case DW_CFA_def_cfa_offset:            return "DW_CFA_def_cfa_offset";
    710   case DW_CFA_def_cfa_expression:        return "DW_CFA_def_cfa_expression";
    711   case DW_CFA_expression:                return "DW_CFA_expression";
    712   case DW_CFA_offset_extended_sf:        return "DW_CFA_offset_extended_sf";
    713   case DW_CFA_def_cfa_sf:                return "DW_CFA_def_cfa_sf";
    714   case DW_CFA_def_cfa_offset_sf:         return "DW_CFA_def_cfa_offset_sf";
    715   case DW_CFA_val_offset:                return "DW_CFA_val_offset";
    716   case DW_CFA_val_offset_sf:             return "DW_CFA_val_offset_sf";
    717   case DW_CFA_val_expression:            return "DW_CFA_val_expression";
    718   case DW_CFA_MIPS_advance_loc8:         return "DW_CFA_MIPS_advance_loc8";
    719   case DW_CFA_GNU_window_save:           return "DW_CFA_GNU_window_save";
    720   case DW_CFA_GNU_args_size:             return "DW_CFA_GNU_args_size";
    721   case DW_CFA_lo_user:                   return "DW_CFA_lo_user";
    722   case DW_CFA_hi_user:                   return "DW_CFA_hi_user";
    723   }
    724   return 0;
    725 }
    726