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Dwarf.cpp

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00001 //===-- llvm/Support/Dwarf.cpp - Dwarf Framework ----------------*- C++ -*-===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file is distributed under the University of Illinois Open Source
00006 // License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This file contains support for generic dwarf information.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #include "llvm/Support/Dwarf.h"
00015 
00016 #include <cassert>
00017 
00018 namespace llvm {
00019 
00020 namespace dwarf {
00021 
00022 /// TagString - Return the string for the specified tag.
00023 ///
00024 const char *TagString(unsigned Tag) {
00025   switch(Tag) {
00026     case DW_TAG_array_type:                return "DW_TAG_array_type";
00027     case DW_TAG_class_type:                return "DW_TAG_class_type";
00028     case DW_TAG_entry_point:               return "DW_TAG_entry_point";
00029     case DW_TAG_enumeration_type:          return "DW_TAG_enumeration_type";
00030     case DW_TAG_formal_parameter:          return "DW_TAG_formal_parameter";
00031     case DW_TAG_imported_declaration:      return "DW_TAG_imported_declaration";
00032     case DW_TAG_label:                     return "DW_TAG_label";
00033     case DW_TAG_lexical_block:             return "DW_TAG_lexical_block";
00034     case DW_TAG_member:                    return "DW_TAG_member";
00035     case DW_TAG_pointer_type:              return "DW_TAG_pointer_type";
00036     case DW_TAG_reference_type:            return "DW_TAG_reference_type";
00037     case DW_TAG_compile_unit:              return "DW_TAG_compile_unit";
00038     case DW_TAG_string_type:               return "DW_TAG_string_type";
00039     case DW_TAG_structure_type:            return "DW_TAG_structure_type";
00040     case DW_TAG_subroutine_type:           return "DW_TAG_subroutine_type";
00041     case DW_TAG_typedef:                   return "DW_TAG_typedef";
00042     case DW_TAG_union_type:                return "DW_TAG_union_type";
00043     case DW_TAG_unspecified_parameters:    return "DW_TAG_unspecified_parameters";
00044     case DW_TAG_variant:                   return "DW_TAG_variant";
00045     case DW_TAG_common_block:              return "DW_TAG_common_block";
00046     case DW_TAG_common_inclusion:          return "DW_TAG_common_inclusion";
00047     case DW_TAG_inheritance:               return "DW_TAG_inheritance";
00048     case DW_TAG_inlined_subroutine:        return "DW_TAG_inlined_subroutine";
00049     case DW_TAG_module:                    return "DW_TAG_module";
00050     case DW_TAG_ptr_to_member_type:        return "DW_TAG_ptr_to_member_type";
00051     case DW_TAG_set_type:                  return "DW_TAG_set_type";
00052     case DW_TAG_subrange_type:             return "DW_TAG_subrange_type";
00053     case DW_TAG_with_stmt:                 return "DW_TAG_with_stmt";
00054     case DW_TAG_access_declaration:        return "DW_TAG_access_declaration";
00055     case DW_TAG_base_type:                 return "DW_TAG_base_type";
00056     case DW_TAG_catch_block:               return "DW_TAG_catch_block";
00057     case DW_TAG_const_type:                return "DW_TAG_const_type";
00058     case DW_TAG_constant:                  return "DW_TAG_constant";
00059     case DW_TAG_enumerator:                return "DW_TAG_enumerator";
00060     case DW_TAG_file_type:                 return "DW_TAG_file_type";
00061     case DW_TAG_friend:                    return "DW_TAG_friend";
00062     case DW_TAG_namelist:                  return "DW_TAG_namelist";
00063     case DW_TAG_namelist_item:             return "DW_TAG_namelist_item";
00064     case DW_TAG_packed_type:               return "DW_TAG_packed_type";
00065     case DW_TAG_subprogram:                return "DW_TAG_subprogram";
00066     case DW_TAG_template_type_parameter:   return "DW_TAG_template_type_parameter";
00067     case DW_TAG_template_value_parameter: return "DW_TAG_template_value_parameter";
00068     case DW_TAG_thrown_type:               return "DW_TAG_thrown_type";
00069     case DW_TAG_try_block:                 return "DW_TAG_try_block";
00070     case DW_TAG_variant_part:              return "DW_TAG_variant_part";
00071     case DW_TAG_variable:                  return "DW_TAG_variable";
00072     case DW_TAG_volatile_type:             return "DW_TAG_volatile_type";
00073     case DW_TAG_dwarf_procedure:           return "DW_TAG_dwarf_procedure";
00074     case DW_TAG_restrict_type:             return "DW_TAG_restrict_type";
00075     case DW_TAG_interface_type:            return "DW_TAG_interface_type";
00076     case DW_TAG_namespace:                 return "DW_TAG_namespace";
00077     case DW_TAG_imported_module:           return "DW_TAG_imported_module";
00078     case DW_TAG_unspecified_type:          return "DW_TAG_unspecified_type";
00079     case DW_TAG_partial_unit:              return "DW_TAG_partial_unit";
00080     case DW_TAG_imported_unit:             return "DW_TAG_imported_unit";
00081     case DW_TAG_condition:                 return "DW_TAG_condition";
00082     case DW_TAG_shared_type:               return "DW_TAG_shared_type";
00083     case DW_TAG_lo_user:                   return "DW_TAG_lo_user";
00084     case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
00085   }
00086   assert(0 && "Unknown Dwarf Tag");
00087   return "";
00088 }
00089 
00090 /// ChildrenString - Return the string for the specified children flag.
00091 ///
00092 const char *ChildrenString(unsigned Children) {
00093   switch(Children) {
00094     case DW_CHILDREN_no:                   return "CHILDREN_no";
00095     case DW_CHILDREN_yes:                  return "CHILDREN_yes";
00096   }
00097   assert(0 && "Unknown Dwarf ChildrenFlag");
00098   return "";
00099 }
00100 
00101 /// AttributeString - Return the string for the specified attribute.
00102 ///
00103 const char *AttributeString(unsigned Attribute) {
00104   switch(Attribute) {
00105     case DW_AT_sibling:                    return "DW_AT_sibling";
00106     case DW_AT_location:                   return "DW_AT_location";
00107     case DW_AT_name:                       return "DW_AT_name";
00108     case DW_AT_ordering:                   return "DW_AT_ordering";
00109     case DW_AT_byte_size:                  return "DW_AT_byte_size";
00110     case DW_AT_bit_offset:                 return "DW_AT_bit_offset";
00111     case DW_AT_bit_size:                   return "DW_AT_bit_size";
00112     case DW_AT_stmt_list:                  return "DW_AT_stmt_list";
00113     case DW_AT_low_pc:                     return "DW_AT_low_pc";
00114     case DW_AT_high_pc:                    return "DW_AT_high_pc";
00115     case DW_AT_language:                   return "DW_AT_language";
00116     case DW_AT_discr:                      return "DW_AT_discr";
00117     case DW_AT_discr_value:                return "DW_AT_discr_value";
00118     case DW_AT_visibility:                 return "DW_AT_visibility";
00119     case DW_AT_import:                     return "DW_AT_import";
00120     case DW_AT_string_length:              return "DW_AT_string_length";
00121     case DW_AT_common_reference:           return "DW_AT_common_reference";
00122     case DW_AT_comp_dir:                   return "DW_AT_comp_dir";
00123     case DW_AT_const_value:                return "DW_AT_const_value";
00124     case DW_AT_containing_type:            return "DW_AT_containing_type";
00125     case DW_AT_default_value:              return "DW_AT_default_value";
00126     case DW_AT_inline:                     return "DW_AT_inline";
00127     case DW_AT_is_optional:                return "DW_AT_is_optional";
00128     case DW_AT_lower_bound:                return "DW_AT_lower_bound";
00129     case DW_AT_producer:                   return "DW_AT_producer";
00130     case DW_AT_prototyped:                 return "DW_AT_prototyped";
00131     case DW_AT_return_addr:                return "DW_AT_return_addr";
00132     case DW_AT_start_scope:                return "DW_AT_start_scope";
00133     case DW_AT_bit_stride:                 return "DW_AT_bit_stride";
00134     case DW_AT_upper_bound:                return "DW_AT_upper_bound";
00135     case DW_AT_abstract_origin:            return "DW_AT_abstract_origin";
00136     case DW_AT_accessibility:              return "DW_AT_accessibility";
00137     case DW_AT_address_class:              return "DW_AT_address_class";
00138     case DW_AT_artificial:                 return "DW_AT_artificial";
00139     case DW_AT_base_types:                 return "DW_AT_base_types";
00140     case DW_AT_calling_convention:         return "DW_AT_calling_convention";
00141     case DW_AT_count:                      return "DW_AT_count";
00142     case DW_AT_data_member_location:       return "DW_AT_data_member_location";
00143     case DW_AT_decl_column:                return "DW_AT_decl_column";
00144     case DW_AT_decl_file:                  return "DW_AT_decl_file";
00145     case DW_AT_decl_line:                  return "DW_AT_decl_line";
00146     case DW_AT_declaration:                return "DW_AT_declaration";
00147     case DW_AT_discr_list:                 return "DW_AT_discr_list";
00148     case DW_AT_encoding:                   return "DW_AT_encoding";
00149     case DW_AT_external:                   return "DW_AT_external";
00150     case DW_AT_frame_base:                 return "DW_AT_frame_base";
00151     case DW_AT_friend:                     return "DW_AT_friend";
00152     case DW_AT_identifier_case:            return "DW_AT_identifier_case";
00153     case DW_AT_macro_info:                 return "DW_AT_macro_info";
00154     case DW_AT_namelist_item:              return "DW_AT_namelist_item";
00155     case DW_AT_priority:                   return "DW_AT_priority";
00156     case DW_AT_segment:                    return "DW_AT_segment";
00157     case DW_AT_specification:              return "DW_AT_specification";
00158     case DW_AT_static_link:                return "DW_AT_static_link";
00159     case DW_AT_type:                       return "DW_AT_type";
00160     case DW_AT_use_location:               return "DW_AT_use_location";
00161     case DW_AT_variable_parameter:         return "DW_AT_variable_parameter";
00162     case DW_AT_virtuality:                 return "DW_AT_virtuality";
00163     case DW_AT_vtable_elem_location:       return "DW_AT_vtable_elem_location";
00164     case DW_AT_allocated:                  return "DW_AT_allocated";
00165     case DW_AT_associated:                 return "DW_AT_associated";
00166     case DW_AT_data_location:              return "DW_AT_data_location";
00167     case DW_AT_byte_stride:                return "DW_AT_byte_stride";
00168     case DW_AT_entry_pc:                   return "DW_AT_entry_pc";
00169     case DW_AT_use_UTF8:                   return "DW_AT_use_UTF8";
00170     case DW_AT_extension:                  return "DW_AT_extension";
00171     case DW_AT_ranges:                     return "DW_AT_ranges";
00172     case DW_AT_trampoline:                 return "DW_AT_trampoline";
00173     case DW_AT_call_column:                return "DW_AT_call_column";
00174     case DW_AT_call_file:                  return "DW_AT_call_file";
00175     case DW_AT_call_line:                  return "DW_AT_call_line";
00176     case DW_AT_description:                return "DW_AT_description";
00177     case DW_AT_binary_scale:               return "DW_AT_binary_scale";
00178     case DW_AT_decimal_scale:              return "DW_AT_decimal_scale";
00179     case DW_AT_small:                      return "DW_AT_small";
00180     case DW_AT_decimal_sign:               return "DW_AT_decimal_sign";
00181     case DW_AT_digit_count:                return "DW_AT_digit_count";
00182     case DW_AT_picture_string:             return "DW_AT_picture_string";
00183     case DW_AT_mutable:                    return "DW_AT_mutable";
00184     case DW_AT_threads_scaled:             return "DW_AT_threads_scaled";
00185     case DW_AT_explicit:                   return "DW_AT_explicit";
00186     case DW_AT_object_pointer:             return "DW_AT_object_pointer";
00187     case DW_AT_endianity:                  return "DW_AT_endianity";
00188     case DW_AT_elemental:                  return "DW_AT_elemental";
00189     case DW_AT_pure:                       return "DW_AT_pure";
00190     case DW_AT_recursive:                  return "DW_AT_recursive";
00191     case DW_AT_MIPS_linkage_name:          return "DW_AT_MIPS_linkage_name";
00192     case DW_AT_sf_names:                   return "DW_AT_sf_names";
00193     case DW_AT_src_info:                   return "DW_AT_src_info";
00194     case DW_AT_mac_info:                   return "DW_AT_mac_info";
00195     case DW_AT_src_coords:                 return "DW_AT_src_coords";
00196     case DW_AT_body_begin:                 return "DW_AT_body_begin";
00197     case DW_AT_body_end:                   return "DW_AT_body_end";
00198     case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
00199     case DW_AT_lo_user:                    return "DW_AT_lo_user";
00200     case DW_AT_hi_user:                    return "DW_AT_hi_user";
00201     case DW_AT_APPLE_optimized:            return "DW_AT_APPLE_optimized";
00202     case DW_AT_APPLE_flags:                return "DW_AT_APPLE_flags";
00203   }
00204   assert(0 && "Unknown Dwarf Attribute");
00205   return "";
00206 }
00207 
00208 /// FormEncodingString - Return the string for the specified form encoding.
00209 ///
00210 const char *FormEncodingString(unsigned Encoding) {
00211   switch(Encoding) {
00212     case DW_FORM_addr:                     return "FORM_addr";
00213     case DW_FORM_block2:                   return "FORM_block2";
00214     case DW_FORM_block4:                   return "FORM_block4";
00215     case DW_FORM_data2:                    return "FORM_data2";
00216     case DW_FORM_data4:                    return "FORM_data4";
00217     case DW_FORM_data8:                    return "FORM_data8";
00218     case DW_FORM_string:                   return "FORM_string";
00219     case DW_FORM_block:                    return "FORM_block";
00220     case DW_FORM_block1:                   return "FORM_block1";
00221     case DW_FORM_data1:                    return "FORM_data1";
00222     case DW_FORM_flag:                     return "FORM_flag";
00223     case DW_FORM_sdata:                    return "FORM_sdata";
00224     case DW_FORM_strp:                     return "FORM_strp";
00225     case DW_FORM_udata:                    return "FORM_udata";
00226     case DW_FORM_ref_addr:                 return "FORM_ref_addr";
00227     case DW_FORM_ref1:                     return "FORM_ref1";
00228     case DW_FORM_ref2:                     return "FORM_ref2";
00229     case DW_FORM_ref4:                     return "FORM_ref4";
00230     case DW_FORM_ref8:                     return "FORM_ref8";
00231     case DW_FORM_ref_udata:                return "FORM_ref_udata";
00232     case DW_FORM_indirect:                 return "FORM_indirect";
00233   }
00234   assert(0 && "Unknown Dwarf Form Encoding");
00235   return "";
00236 }
00237 
00238 /// OperationEncodingString - Return the string for the specified operation
00239 /// encoding.
00240 const char *OperationEncodingString(unsigned Encoding) {
00241   switch(Encoding) {
00242     case DW_OP_addr:                       return "OP_addr";
00243     case DW_OP_deref:                      return "OP_deref";
00244     case DW_OP_const1u:                    return "OP_const1u";
00245     case DW_OP_const1s:                    return "OP_const1s";
00246     case DW_OP_const2u:                    return "OP_const2u";
00247     case DW_OP_const2s:                    return "OP_const2s";
00248     case DW_OP_const4u:                    return "OP_const4u";
00249     case DW_OP_const4s:                    return "OP_const4s";
00250     case DW_OP_const8u:                    return "OP_const8u";
00251     case DW_OP_const8s:                    return "OP_const8s";
00252     case DW_OP_constu:                     return "OP_constu";
00253     case DW_OP_consts:                     return "OP_consts";
00254     case DW_OP_dup:                        return "OP_dup";
00255     case DW_OP_drop:                       return "OP_drop";
00256     case DW_OP_over:                       return "OP_over";
00257     case DW_OP_pick:                       return "OP_pick";
00258     case DW_OP_swap:                       return "OP_swap";
00259     case DW_OP_rot:                        return "OP_rot";
00260     case DW_OP_xderef:                     return "OP_xderef";
00261     case DW_OP_abs:                        return "OP_abs";
00262     case DW_OP_and:                        return "OP_and";
00263     case DW_OP_div:                        return "OP_div";
00264     case DW_OP_minus:                      return "OP_minus";
00265     case DW_OP_mod:                        return "OP_mod";
00266     case DW_OP_mul:                        return "OP_mul";
00267     case DW_OP_neg:                        return "OP_neg";
00268     case DW_OP_not:                        return "OP_not";
00269     case DW_OP_or:                         return "OP_or";
00270     case DW_OP_plus:                       return "OP_plus";
00271     case DW_OP_plus_uconst:                return "OP_plus_uconst";
00272     case DW_OP_shl:                        return "OP_shl";
00273     case DW_OP_shr:                        return "OP_shr";
00274     case DW_OP_shra:                       return "OP_shra";
00275     case DW_OP_xor:                        return "OP_xor";
00276     case DW_OP_skip:                       return "OP_skip";
00277     case DW_OP_bra:                        return "OP_bra";
00278     case DW_OP_eq:                         return "OP_eq";
00279     case DW_OP_ge:                         return "OP_ge";
00280     case DW_OP_gt:                         return "OP_gt";
00281     case DW_OP_le:                         return "OP_le";
00282     case DW_OP_lt:                         return "OP_lt";
00283     case DW_OP_ne:                         return "OP_ne";
00284     case DW_OP_lit0:                       return "OP_lit0";
00285     case DW_OP_lit1:                       return "OP_lit1";
00286     case DW_OP_lit31:                      return "OP_lit31";
00287     case DW_OP_reg0:                       return "OP_reg0";
00288     case DW_OP_reg1:                       return "OP_reg1";
00289     case DW_OP_reg31:                      return "OP_reg31";
00290     case DW_OP_breg0:                      return "OP_breg0";
00291     case DW_OP_breg1:                      return "OP_breg1";
00292     case DW_OP_breg31:                     return "OP_breg31";
00293     case DW_OP_regx:                       return "OP_regx";
00294     case DW_OP_fbreg:                      return "OP_fbreg";
00295     case DW_OP_bregx:                      return "OP_bregx";
00296     case DW_OP_piece:                      return "OP_piece";
00297     case DW_OP_deref_size:                 return "OP_deref_size";
00298     case DW_OP_xderef_size:                return "OP_xderef_size";
00299     case DW_OP_nop:                        return "OP_nop";
00300     case DW_OP_push_object_address:        return "OP_push_object_address";
00301     case DW_OP_call2:                      return "OP_call2";
00302     case DW_OP_call4:                      return "OP_call4";
00303     case DW_OP_call_ref:                   return "OP_call_ref";
00304     case DW_OP_form_tls_address:           return "OP_form_tls_address";
00305     case DW_OP_call_frame_cfa:             return "OP_call_frame_cfa";
00306     case DW_OP_lo_user:                    return "OP_lo_user";
00307     case DW_OP_hi_user:                    return "OP_hi_user";
00308   }
00309   assert(0 && "Unknown Dwarf Operation Encoding");
00310   return "";
00311 }
00312 
00313 /// AttributeEncodingString - Return the string for the specified attribute
00314 /// encoding.
00315 const char *AttributeEncodingString(unsigned Encoding) {
00316   switch(Encoding) {
00317     case DW_ATE_address:                   return "ATE_address";
00318     case DW_ATE_boolean:                   return "ATE_boolean";
00319     case DW_ATE_complex_float:             return "ATE_complex_float";
00320     case DW_ATE_float:                     return "ATE_float";
00321     case DW_ATE_signed:                    return "ATE_signed";
00322     case DW_ATE_signed_char:               return "ATE_signed_char";
00323     case DW_ATE_unsigned:                  return "ATE_unsigned";
00324     case DW_ATE_unsigned_char:             return "ATE_unsigned_char";
00325     case DW_ATE_imaginary_float:           return "ATE_imaginary_float";
00326     case DW_ATE_packed_decimal:            return "ATE_packed_decimal";
00327     case DW_ATE_numeric_string:            return "ATE_numeric_string";
00328     case DW_ATE_edited:                    return "ATE_edited";
00329     case DW_ATE_signed_fixed:              return "ATE_signed_fixed";
00330     case DW_ATE_unsigned_fixed:            return "ATE_unsigned_fixed";
00331     case DW_ATE_decimal_float:             return "ATE_decimal_float";
00332     case DW_ATE_lo_user:                   return "ATE_lo_user";
00333     case DW_ATE_hi_user:                   return "ATE_hi_user";
00334   }
00335   assert(0 && "Unknown Dwarf Attribute Encoding");
00336   return "";
00337 }
00338 
00339 /// DecimalSignString - Return the string for the specified decimal sign
00340 /// attribute.
00341 const char *DecimalSignString(unsigned Sign) {
00342   switch(Sign) {
00343     case DW_DS_unsigned:                   return "DS_unsigned";
00344     case DW_DS_leading_overpunch:          return "DS_leading_overpunch";
00345     case DW_DS_trailing_overpunch:         return "DS_trailing_overpunch";
00346     case DW_DS_leading_separate:           return "DS_leading_separate";
00347     case DW_DS_trailing_separate:          return "DS_trailing_separate";
00348   }
00349   assert(0 && "Unknown Dwarf Decimal Sign Attribute");
00350   return "";
00351 }
00352 
00353 /// EndianityString - Return the string for the specified endianity.
00354 ///
00355 const char *EndianityString(unsigned Endian) {
00356   switch(Endian) {
00357     case DW_END_default:                   return "END_default";
00358     case DW_END_big:                       return "END_big";
00359     case DW_END_little:                    return "END_little";
00360     case DW_END_lo_user:                   return "END_lo_user";
00361     case DW_END_hi_user:                   return "END_hi_user";
00362   }
00363   assert(0 && "Unknown Dwarf Endianity");
00364   return "";
00365 }
00366 
00367 /// AccessibilityString - Return the string for the specified accessibility.
00368 ///
00369 const char *AccessibilityString(unsigned Access) {
00370   switch(Access) {
00371     // Accessibility codes
00372     case DW_ACCESS_public:                 return "ACCESS_public";
00373     case DW_ACCESS_protected:              return "ACCESS_protected";
00374     case DW_ACCESS_private:                return "ACCESS_private";
00375   }
00376   assert(0 && "Unknown Dwarf Accessibility");
00377   return "";
00378 }
00379 
00380 /// VisibilityString - Return the string for the specified visibility.
00381 ///
00382 const char *VisibilityString(unsigned Visibility) {
00383   switch(Visibility) {
00384     case DW_VIS_local:                     return "VIS_local";
00385     case DW_VIS_exported:                  return "VIS_exported";
00386     case DW_VIS_qualified:                 return "VIS_qualified";
00387   }
00388   assert(0 && "Unknown Dwarf Visibility");
00389   return "";
00390 }
00391 
00392 /// VirtualityString - Return the string for the specified virtuality.
00393 ///
00394 const char *VirtualityString(unsigned Virtuality) {
00395   switch(Virtuality) {
00396     case DW_VIRTUALITY_none:               return "VIRTUALITY_none";
00397     case DW_VIRTUALITY_virtual:            return "VIRTUALITY_virtual";
00398     case DW_VIRTUALITY_pure_virtual:       return "VIRTUALITY_pure_virtual";
00399   }
00400   assert(0 && "Unknown Dwarf Virtuality");
00401   return "";
00402 }
00403 
00404 /// LanguageString - Return the string for the specified language.
00405 ///
00406 const char *LanguageString(unsigned Language) {
00407   switch(Language) {
00408     case DW_LANG_C89:                      return "LANG_C89";
00409     case DW_LANG_C:                        return "LANG_C";
00410     case DW_LANG_Ada83:                    return "LANG_Ada83";
00411     case DW_LANG_C_plus_plus:              return "LANG_C_plus_plus";
00412     case DW_LANG_Cobol74:                  return "LANG_Cobol74";
00413     case DW_LANG_Cobol85:                  return "LANG_Cobol85";
00414     case DW_LANG_Fortran77:                return "LANG_Fortran77";
00415     case DW_LANG_Fortran90:                return "LANG_Fortran90";
00416     case DW_LANG_Pascal83:                 return "LANG_Pascal83";
00417     case DW_LANG_Modula2:                  return "LANG_Modula2";
00418     case DW_LANG_Java:                     return "LANG_Java";
00419     case DW_LANG_C99:                      return "LANG_C99";
00420     case DW_LANG_Ada95:                    return "LANG_Ada95";
00421     case DW_LANG_Fortran95:                return "LANG_Fortran95";
00422     case DW_LANG_PLI:                      return "LANG_PLI";
00423     case DW_LANG_ObjC:                     return "LANG_ObjC";
00424     case DW_LANG_ObjC_plus_plus:           return "LANG_ObjC_plus_plus";
00425     case DW_LANG_UPC:                      return "LANG_UPC";
00426     case DW_LANG_D:                        return "LANG_D";
00427     case DW_LANG_lo_user:                  return "LANG_lo_user";
00428     case DW_LANG_hi_user:                  return "LANG_hi_user";
00429   }
00430   assert(0 && "Unknown Dwarf Language");
00431   return "";
00432 }
00433 
00434 /// CaseString - Return the string for the specified identifier case.
00435 ///
00436 const char *CaseString(unsigned Case) {
00437    switch(Case) {
00438     case DW_ID_case_sensitive:             return "ID_case_sensitive";
00439     case DW_ID_up_case:                    return "ID_up_case";
00440     case DW_ID_down_case:                  return "ID_down_case";
00441     case DW_ID_case_insensitive:           return "ID_case_insensitive";
00442   }
00443   assert(0 && "Unknown Dwarf Identifier Case");
00444   return "";
00445 }
00446 
00447 /// ConventionString - Return the string for the specified calling convention.
00448 ///
00449 const char *ConventionString(unsigned Convention) {
00450    switch(Convention) {
00451     case DW_CC_normal:                     return "CC_normal";
00452     case DW_CC_program:                    return "CC_program";
00453     case DW_CC_nocall:                     return "CC_nocall";
00454     case DW_CC_lo_user:                    return "CC_lo_user";
00455     case DW_CC_hi_user:                    return "CC_hi_user";
00456   }
00457   assert(0 && "Unknown Dwarf Calling Convention");
00458   return "";
00459 }
00460 
00461 /// InlineCodeString - Return the string for the specified inline code.
00462 ///
00463 const char *InlineCodeString(unsigned Code) {
00464    switch(Code) {
00465     case DW_INL_not_inlined:               return "INL_not_inlined";
00466     case DW_INL_inlined:                   return "INL_inlined";
00467     case DW_INL_declared_not_inlined:      return "INL_declared_not_inlined";
00468     case DW_INL_declared_inlined:          return "INL_declared_inlined";
00469   }
00470   assert(0 && "Unknown Dwarf Inline Code");
00471   return "";
00472 }
00473 
00474 /// ArrayOrderString - Return the string for the specified array order.
00475 ///
00476 const char *ArrayOrderString(unsigned Order) {
00477    switch(Order) {
00478     case DW_ORD_row_major:                 return "ORD_row_major";
00479     case DW_ORD_col_major:                 return "ORD_col_major";
00480   }
00481   assert(0 && "Unknown Dwarf Array Order");
00482   return "";
00483 }
00484 
00485 /// DiscriminantString - Return the string for the specified discriminant
00486 /// descriptor.
00487 const char *DiscriminantString(unsigned Discriminant) {
00488    switch(Discriminant) {
00489     case DW_DSC_label:                     return "DSC_label";
00490     case DW_DSC_range:                     return "DSC_range";
00491   }
00492   assert(0 && "Unknown Dwarf Discriminant Descriptor");
00493   return "";
00494 }
00495 
00496 /// LNStandardString - Return the string for the specified line number standard.
00497 ///
00498 const char *LNStandardString(unsigned Standard) {
00499    switch(Standard) {
00500     case DW_LNS_copy:                      return "LNS_copy";
00501     case DW_LNS_advance_pc:                return "LNS_advance_pc";
00502     case DW_LNS_advance_line:              return "LNS_advance_line";
00503     case DW_LNS_set_file:                  return "LNS_set_file";
00504     case DW_LNS_set_column:                return "LNS_set_column";
00505     case DW_LNS_negate_stmt:               return "LNS_negate_stmt";
00506     case DW_LNS_set_basic_block:           return "LNS_set_basic_block";
00507     case DW_LNS_const_add_pc:              return "LNS_const_add_pc";
00508     case DW_LNS_fixed_advance_pc:          return "LNS_fixed_advance_pc";
00509     case DW_LNS_set_prologue_end:          return "LNS_set_prologue_end";
00510     case DW_LNS_set_epilogue_begin:        return "LNS_set_epilogue_begin";
00511     case DW_LNS_set_isa:                   return "LNS_set_isa";
00512   }
00513   assert(0 && "Unknown Dwarf Line Number Standard");
00514   return "";
00515 }
00516 
00517 /// LNExtendedString - Return the string for the specified line number extended
00518 /// opcode encodings.
00519 const char *LNExtendedString(unsigned Encoding) {
00520    switch(Encoding) {
00521     // Line Number Extended Opcode Encodings
00522     case DW_LNE_end_sequence:              return "LNE_end_sequence";
00523     case DW_LNE_set_address:               return "LNE_set_address";
00524     case DW_LNE_define_file:               return "LNE_define_file";
00525     case DW_LNE_lo_user:                   return "LNE_lo_user";
00526     case DW_LNE_hi_user:                   return "LNE_hi_user";
00527   }
00528   assert(0 && "Unknown Dwarf Line Number Extended Opcode Encoding");
00529   return "";
00530 }
00531 
00532 /// MacinfoString - Return the string for the specified macinfo type encodings.
00533 ///
00534 const char *MacinfoString(unsigned Encoding) {
00535    switch(Encoding) {
00536     // Macinfo Type Encodings
00537     case DW_MACINFO_define:                return "MACINFO_define";
00538     case DW_MACINFO_undef:                 return "MACINFO_undef";
00539     case DW_MACINFO_start_file:            return "MACINFO_start_file";
00540     case DW_MACINFO_end_file:              return "MACINFO_end_file";
00541     case DW_MACINFO_vendor_ext:            return "MACINFO_vendor_ext";
00542   }
00543   assert(0 && "Unknown Dwarf Macinfo Type Encodings");
00544   return "";
00545 }
00546 
00547 /// CallFrameString - Return the string for the specified call frame instruction
00548 /// encodings.
00549 const char *CallFrameString(unsigned Encoding) {
00550    switch(Encoding) {
00551     case DW_CFA_advance_loc:               return "CFA_advance_loc";
00552     case DW_CFA_offset:                    return "CFA_offset";
00553     case DW_CFA_restore:                   return "CFA_restore";
00554     case DW_CFA_set_loc:                   return "CFA_set_loc";
00555     case DW_CFA_advance_loc1:              return "CFA_advance_loc1";
00556     case DW_CFA_advance_loc2:              return "CFA_advance_loc2";
00557     case DW_CFA_advance_loc4:              return "CFA_advance_loc4";
00558     case DW_CFA_offset_extended:           return "CFA_offset_extended";
00559     case DW_CFA_restore_extended:          return "CFA_restore_extended";
00560     case DW_CFA_undefined:                 return "CFA_undefined";
00561     case DW_CFA_same_value:                return "CFA_same_value";
00562     case DW_CFA_register:                  return "CFA_register";
00563     case DW_CFA_remember_state:            return "CFA_remember_state";
00564     case DW_CFA_restore_state:             return "CFA_restore_state";
00565     case DW_CFA_def_cfa:                   return "CFA_def_cfa";
00566     case DW_CFA_def_cfa_register:          return "CFA_def_cfa_register";
00567     case DW_CFA_def_cfa_offset:            return "CFA_def_cfa_offset";
00568     case DW_CFA_def_cfa_expression:        return "CFA_def_cfa_expression";
00569     case DW_CFA_expression:                return "CFA_expression";
00570     case DW_CFA_offset_extended_sf:        return "CFA_offset_extended_sf";
00571     case DW_CFA_def_cfa_sf:                return "CFA_def_cfa_sf";
00572     case DW_CFA_def_cfa_offset_sf:         return "CFA_def_cfa_offset_sf";
00573     case DW_CFA_val_offset:                return "CFA_val_offset";
00574     case DW_CFA_val_offset_sf:             return "CFA_val_offset_sf";
00575     case DW_CFA_val_expression:            return "CFA_val_expression";
00576     case DW_CFA_lo_user:                   return "CFA_lo_user";
00577     case DW_CFA_hi_user:                   return "CFA_hi_user";
00578   }
00579   assert(0 && "Unknown Dwarf Call Frame Instruction Encodings");
00580   return "";
00581 }
00582 
00583 } // End of namespace dwarf.
00584 
00585 } // End of namespace llvm.