LazyValueInfo: fix some typos and indentation, etc. NFC.
[oota-llvm.git] / lib / Support / Dwarf.cpp
index 95a9550f9663aa742064501907ffc26df8224736..4b6337ecc52cefcfac4b1155b38caa243331cfb2 100644 (file)
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/Dwarf.h"
+#include "llvm/Support/ErrorHandling.h"
+
 using namespace llvm;
 using namespace dwarf;
 
-/// TagString - Return the string for the specified tag.
-///
 const char *llvm::dwarf::TagString(unsigned Tag) {
   switch (Tag) {
   case DW_TAG_array_type:                return "DW_TAG_array_type";
@@ -59,8 +59,8 @@ const char *llvm::dwarf::TagString(unsigned Tag) {
   case DW_TAG_namelist_item:             return "DW_TAG_namelist_item";
   case DW_TAG_packed_type:               return "DW_TAG_packed_type";
   case DW_TAG_subprogram:                return "DW_TAG_subprogram";
-  case DW_TAG_template_type_parameter:  return "DW_TAG_template_type_parameter";
-  case DW_TAG_template_value_parameter:return "DW_TAG_template_value_parameter";
+  case DW_TAG_template_type_parameter:   return "DW_TAG_template_type_parameter";
+  case DW_TAG_template_value_parameter:  return "DW_TAG_template_value_parameter";
   case DW_TAG_thrown_type:               return "DW_TAG_thrown_type";
   case DW_TAG_try_block:                 return "DW_TAG_try_block";
   case DW_TAG_variant_part:              return "DW_TAG_variant_part";
@@ -80,10 +80,12 @@ const char *llvm::dwarf::TagString(unsigned Tag) {
   case DW_TAG_hi_user:                   return "DW_TAG_hi_user";
   case DW_TAG_auto_variable:             return "DW_TAG_auto_variable";
   case DW_TAG_arg_variable:              return "DW_TAG_arg_variable";
-  case DW_TAG_return_variable:           return "DW_TAG_return_variable";
-  case DW_TAG_vector_type:               return "DW_TAG_vector_type";
+  case DW_TAG_expression:                return "DW_TAG_expression";
   case DW_TAG_rvalue_reference_type:     return "DW_TAG_rvalue_reference_type";
   case DW_TAG_template_alias:            return "DW_TAG_template_alias";
+  case DW_TAG_coarray_type:              return "DW_TAG_coarray_type";
+  case DW_TAG_generic_subrange:          return "DW_TAG_generic_subrange";
+  case DW_TAG_dynamic_type:              return "DW_TAG_dynamic_type";
   case DW_TAG_MIPS_loop:                 return "DW_TAG_MIPS_loop";
   case DW_TAG_type_unit:                 return "DW_TAG_type_unit";
   case DW_TAG_format_label:              return "DW_TAG_format_label";
@@ -95,22 +97,19 @@ const char *llvm::dwarf::TagString(unsigned Tag) {
     return "DW_TAG_GNU_template_parameter_pack";
   case DW_TAG_GNU_formal_parameter_pack:
     return "DW_TAG_GNU_formal_parameter_pack";
+  case DW_TAG_APPLE_property:            return "DW_TAG_APPLE_property";
   }
-  return 0;
+  return nullptr;
 }
 
-/// ChildrenString - Return the string for the specified children flag.
-///
 const char *llvm::dwarf::ChildrenString(unsigned Children) {
   switch (Children) {
   case DW_CHILDREN_no:                   return "DW_CHILDREN_no";
   case DW_CHILDREN_yes:                  return "DW_CHILDREN_yes";
   }
-  return 0;
+  return nullptr;
 }
 
-/// AttributeString - Return the string for the specified attribute.
-///
 const char *llvm::dwarf::AttributeString(unsigned Attribute) {
   switch (Attribute) {
   case DW_AT_sibling:                    return "DW_AT_sibling";
@@ -205,6 +204,16 @@ const char *llvm::dwarf::AttributeString(unsigned Attribute) {
   case DW_AT_const_expr:                 return "DW_AT_const_expr";
   case DW_AT_enum_class:                 return "DW_AT_enum_class";
   case DW_AT_linkage_name:               return "DW_AT_linkage_name";
+  case DW_AT_string_length_bit_size:     return "DW_AT_string_length_bit_size";
+  case DW_AT_string_length_byte_size:    return "DW_AT_string_length_byte_size";
+  case DW_AT_rank:                       return "DW_AT_rank";
+  case DW_AT_str_offsets_base:           return "DW_AT_str_offsets_base";
+  case DW_AT_addr_base:                  return "DW_AT_addr_base";
+  case DW_AT_ranges_base:                return "DW_AT_ranges_base";
+  case DW_AT_dwo_id:                     return "DW_AT_dwo_id";
+  case DW_AT_dwo_name:                   return "DW_AT_dwo_name";
+  case DW_AT_reference:                  return "DW_AT_reference";
+  case DW_AT_rvalue_reference:           return "DW_AT_rvalue_reference";
   case DW_AT_MIPS_loop_begin:            return "DW_AT_MIPS_loop_begin";
   case DW_AT_MIPS_tail_loop_begin:       return "DW_AT_MIPS_tail_loop_begin";
   case DW_AT_MIPS_epilog_begin:          return "DW_AT_MIPS_epilog_begin";
@@ -231,6 +240,7 @@ const char *llvm::dwarf::AttributeString(unsigned Attribute) {
   case DW_AT_body_end:                   return "DW_AT_body_end";
   case DW_AT_GNU_vector:                 return "DW_AT_GNU_vector";
   case DW_AT_GNU_template_name:          return "DW_AT_GNU_template_name";
+  case DW_AT_GNU_odr_signature:          return "DW_AT_GNU_odr_signature";
   case DW_AT_MIPS_assumed_size:          return "DW_AT_MIPS_assumed_size";
   case DW_AT_lo_user:                    return "DW_AT_lo_user";
   case DW_AT_hi_user:                    return "DW_AT_hi_user";
@@ -245,13 +255,20 @@ const char *llvm::dwarf::AttributeString(unsigned Attribute) {
   case DW_AT_APPLE_property_getter:      return "DW_AT_APPLE_property_getter";
   case DW_AT_APPLE_property_setter:      return "DW_AT_APPLE_property_setter";
   case DW_AT_APPLE_property_attribute:   return "DW_AT_APPLE_property_attribute";
+  case DW_AT_APPLE_property:             return "DW_AT_APPLE_property";
   case DW_AT_APPLE_objc_complete_type:   return "DW_AT_APPLE_objc_complete_type";
+
+    // DWARF5 Fission Extension Attribute
+  case DW_AT_GNU_dwo_name:               return "DW_AT_GNU_dwo_name";
+  case DW_AT_GNU_dwo_id:                 return "DW_AT_GNU_dwo_id";
+  case DW_AT_GNU_ranges_base:            return "DW_AT_GNU_ranges_base";
+  case DW_AT_GNU_addr_base:              return "DW_AT_GNU_addr_base";
+  case DW_AT_GNU_pubnames:               return "DW_AT_GNU_pubnames";
+  case DW_AT_GNU_pubtypes:               return "DW_AT_GNU_pubtypes";
   }
-  return 0;
+  return nullptr;
 }
 
-/// FormEncodingString - Return the string for the specified form encoding.
-///
 const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
   switch (Encoding) {
   case DW_FORM_addr:                     return "DW_FORM_addr";
@@ -279,12 +296,14 @@ const char *llvm::dwarf::FormEncodingString(unsigned Encoding) {
   case DW_FORM_exprloc:                  return "DW_FORM_exprloc";
   case DW_FORM_flag_present:             return "DW_FORM_flag_present";
   case DW_FORM_ref_sig8:                 return "DW_FORM_ref_sig8";
+
+    // DWARF5 Fission Extension Forms
+  case DW_FORM_GNU_addr_index:           return "DW_FORM_GNU_addr_index";
+  case DW_FORM_GNU_str_index:            return "DW_FORM_GNU_str_index";
   }
-  return 0;
+  return nullptr;
 }
 
-/// OperationEncodingString - Return the string for the specified operation
-/// encoding.
 const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
   switch (Encoding) {
   case DW_OP_addr:                       return "DW_OP_addr";
@@ -441,14 +460,17 @@ const char *llvm::dwarf::OperationEncodingString(unsigned Encoding) {
   case DW_OP_bit_piece:                  return "DW_OP_bit_piece";
   case DW_OP_implicit_value:             return "DW_OP_implicit_value";
   case DW_OP_stack_value:                return "DW_OP_stack_value";
-  case DW_OP_lo_user:                    return "DW_OP_lo_user";
-  case DW_OP_hi_user:                    return "DW_OP_hi_user";
+
+  // GNU thread-local storage
+  case DW_OP_GNU_push_tls_address:       return "DW_OP_GNU_push_tls_address";
+
+  // DWARF5 Fission Proposal Op Extensions
+  case DW_OP_GNU_addr_index:             return "DW_OP_GNU_addr_index";
+  case DW_OP_GNU_const_index:            return "DW_OP_GNU_const_index";
   }
-  return 0;
+  return nullptr;
 }
 
-/// AttributeEncodingString - Return the string for the specified attribute
-/// encoding.
 const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
   switch (Encoding) {
   case DW_ATE_address:                   return "DW_ATE_address";
@@ -470,11 +492,9 @@ const char *llvm::dwarf::AttributeEncodingString(unsigned Encoding) {
   case DW_ATE_lo_user:                   return "DW_ATE_lo_user";
   case DW_ATE_hi_user:                   return "DW_ATE_hi_user";
   }
-  return 0;
+  return nullptr;
 }
 
-/// DecimalSignString - Return the string for the specified decimal sign
-/// attribute.
 const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
   switch (Sign) {
   case DW_DS_unsigned:                   return "DW_DS_unsigned";
@@ -483,11 +503,9 @@ const char *llvm::dwarf::DecimalSignString(unsigned Sign) {
   case DW_DS_leading_separate:           return "DW_DS_leading_separate";
   case DW_DS_trailing_separate:          return "DW_DS_trailing_separate";
   }
-  return 0;
+  return nullptr;
 }
 
-/// EndianityString - Return the string for the specified endianity.
-///
 const char *llvm::dwarf::EndianityString(unsigned Endian) {
   switch (Endian) {
   case DW_END_default:                   return "DW_END_default";
@@ -496,11 +514,9 @@ const char *llvm::dwarf::EndianityString(unsigned Endian) {
   case DW_END_lo_user:                   return "DW_END_lo_user";
   case DW_END_hi_user:                   return "DW_END_hi_user";
   }
-  return 0;
+  return nullptr;
 }
 
-/// AccessibilityString - Return the string for the specified accessibility.
-///
 const char *llvm::dwarf::AccessibilityString(unsigned Access) {
   switch (Access) {
   // Accessibility codes
@@ -508,33 +524,27 @@ const char *llvm::dwarf::AccessibilityString(unsigned Access) {
   case DW_ACCESS_protected:              return "DW_ACCESS_protected";
   case DW_ACCESS_private:                return "DW_ACCESS_private";
   }
-  return 0;
+  return nullptr;
 }
 
-/// VisibilityString - Return the string for the specified visibility.
-///
 const char *llvm::dwarf::VisibilityString(unsigned Visibility) {
   switch (Visibility) {
   case DW_VIS_local:                     return "DW_VIS_local";
   case DW_VIS_exported:                  return "DW_VIS_exported";
   case DW_VIS_qualified:                 return "DW_VIS_qualified";
   }
-  return 0;
+  return nullptr;
 }
 
-/// VirtualityString - Return the string for the specified virtuality.
-///
 const char *llvm::dwarf::VirtualityString(unsigned Virtuality) {
   switch (Virtuality) {
   case DW_VIRTUALITY_none:               return "DW_VIRTUALITY_none";
   case DW_VIRTUALITY_virtual:            return "DW_VIRTUALITY_virtual";
   case DW_VIRTUALITY_pure_virtual:       return "DW_VIRTUALITY_pure_virtual";
   }
-  return 0;
+  return nullptr;
 }
 
-/// LanguageString - Return the string for the specified language.
-///
 const char *llvm::dwarf::LanguageString(unsigned Language) {
   switch (Language) {
   case DW_LANG_C89:                      return "DW_LANG_C89";
@@ -556,14 +566,21 @@ const char *llvm::dwarf::LanguageString(unsigned Language) {
   case DW_LANG_ObjC_plus_plus:           return "DW_LANG_ObjC_plus_plus";
   case DW_LANG_UPC:                      return "DW_LANG_UPC";
   case DW_LANG_D:                        return "DW_LANG_D";
+  case DW_LANG_Python:                   return "DW_LANG_Python";
+  case DW_LANG_OpenCL:                   return "DW_LANG_OpenCL";
+  case DW_LANG_Go:                       return "DW_LANG_Go";
+  case DW_LANG_Modula3:                  return "DW_LANG_Modula3";
+  case DW_LANG_Haskell:                  return "DW_LANG_Haskell";
+  case DW_LANG_C_plus_plus_03:           return "DW_LANG_C_plus_plus_03";
+  case DW_LANG_C_plus_plus_11:           return "DW_LANG_C_plus_plus_11";
+  case DW_LANG_OCaml:                    return "DW_LANG_OCaml";
   case DW_LANG_lo_user:                  return "DW_LANG_lo_user";
+  case DW_LANG_Mips_Assembler:           return "DW_LANG_Mips_Assembler";
   case DW_LANG_hi_user:                  return "DW_LANG_hi_user";
   }
-  return 0;
+  return nullptr;
 }
 
-/// CaseString - Return the string for the specified identifier case.
-///
 const char *llvm::dwarf::CaseString(unsigned Case) {
   switch (Case) {
   case DW_ID_case_sensitive:             return "DW_ID_case_sensitive";
@@ -571,11 +588,9 @@ const char *llvm::dwarf::CaseString(unsigned Case) {
   case DW_ID_down_case:                  return "DW_ID_down_case";
   case DW_ID_case_insensitive:           return "DW_ID_case_insensitive";
   }
-  return 0;
+  return nullptr;
 }
 
-/// ConventionString - Return the string for the specified calling convention.
-///
 const char *llvm::dwarf::ConventionString(unsigned Convention) {
    switch (Convention) {
    case DW_CC_normal:                     return "DW_CC_normal";
@@ -584,11 +599,9 @@ const char *llvm::dwarf::ConventionString(unsigned Convention) {
    case DW_CC_lo_user:                    return "DW_CC_lo_user";
    case DW_CC_hi_user:                    return "DW_CC_hi_user";
   }
-  return 0;
+  return nullptr;
 }
 
-/// InlineCodeString - Return the string for the specified inline code.
-///
 const char *llvm::dwarf::InlineCodeString(unsigned Code) {
   switch (Code) {
   case DW_INL_not_inlined:               return "DW_INL_not_inlined";
@@ -596,31 +609,25 @@ const char *llvm::dwarf::InlineCodeString(unsigned Code) {
   case DW_INL_declared_not_inlined:      return "DW_INL_declared_not_inlined";
   case DW_INL_declared_inlined:          return "DW_INL_declared_inlined";
   }
-  return 0;
+  return nullptr;
 }
 
-/// ArrayOrderString - Return the string for the specified array order.
-///
 const char *llvm::dwarf::ArrayOrderString(unsigned Order) {
   switch (Order) {
   case DW_ORD_row_major:                 return "DW_ORD_row_major";
   case DW_ORD_col_major:                 return "DW_ORD_col_major";
   }
-  return 0;
+  return nullptr;
 }
 
-/// DiscriminantString - Return the string for the specified discriminant
-/// descriptor.
 const char *llvm::dwarf::DiscriminantString(unsigned Discriminant) {
   switch (Discriminant) {
   case DW_DSC_label:                     return "DW_DSC_label";
   case DW_DSC_range:                     return "DW_DSC_range";
   }
-  return 0;
+  return nullptr;
 }
 
-/// LNStandardString - Return the string for the specified line number standard.
-///
 const char *llvm::dwarf::LNStandardString(unsigned Standard) {
   switch (Standard) {
   case DW_LNS_copy:                      return "DW_LNS_copy";
@@ -636,11 +643,9 @@ const char *llvm::dwarf::LNStandardString(unsigned Standard) {
   case DW_LNS_set_epilogue_begin:        return "DW_LNS_set_epilogue_begin";
   case DW_LNS_set_isa:                   return "DW_LNS_set_isa";
   }
-  return 0;
+  return nullptr;
 }
 
-/// LNExtendedString - Return the string for the specified line number extended
-/// opcode encodings.
 const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
   switch (Encoding) {
   // Line Number Extended Opcode Encodings
@@ -651,11 +656,9 @@ const char *llvm::dwarf::LNExtendedString(unsigned Encoding) {
   case DW_LNE_lo_user:                   return "DW_LNE_lo_user";
   case DW_LNE_hi_user:                   return "DW_LNE_hi_user";
   }
-  return 0;
+  return nullptr;
 }
 
-/// MacinfoString - Return the string for the specified macinfo type encodings.
-///
 const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
   switch (Encoding) {
   // Macinfo Type Encodings
@@ -665,13 +668,12 @@ const char *llvm::dwarf::MacinfoString(unsigned Encoding) {
   case DW_MACINFO_end_file:              return "DW_MACINFO_end_file";
   case DW_MACINFO_vendor_ext:            return "DW_MACINFO_vendor_ext";
   }
-  return 0;
+  return nullptr;
 }
 
-/// CallFrameString - Return the string for the specified call frame instruction
-/// encodings.
 const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
   switch (Encoding) {
+  case DW_CFA_nop:                       return "DW_CFA_nop";
   case DW_CFA_advance_loc:               return "DW_CFA_advance_loc";
   case DW_CFA_offset:                    return "DW_CFA_offset";
   case DW_CFA_restore:                   return "DW_CFA_restore";
@@ -703,5 +705,114 @@ const char *llvm::dwarf::CallFrameString(unsigned Encoding) {
   case DW_CFA_lo_user:                   return "DW_CFA_lo_user";
   case DW_CFA_hi_user:                   return "DW_CFA_hi_user";
   }
-  return 0;
+  return nullptr;
+}
+
+const char *llvm::dwarf::ApplePropertyString(unsigned Prop) {
+  switch (Prop) {
+  case DW_APPLE_PROPERTY_readonly:
+    return "DW_APPLE_PROPERTY_readonly";
+  case DW_APPLE_PROPERTY_getter:
+    return "DW_APPLE_PROPERTY_getter";
+  case DW_APPLE_PROPERTY_assign:
+    return "DW_APPLE_PROPERTY_assign";
+  case DW_APPLE_PROPERTY_readwrite:
+    return "DW_APPLE_PROPERTY_readwrite";
+  case DW_APPLE_PROPERTY_retain:
+    return "DW_APPLE_PROPERTY_retain";
+  case DW_APPLE_PROPERTY_copy:
+    return "DW_APPLE_PROPERTY_copy";
+  case DW_APPLE_PROPERTY_nonatomic:
+    return "DW_APPLE_PROPERTY_nonatomic";
+  case DW_APPLE_PROPERTY_setter:
+    return "DW_APPLE_PROPERTY_setter";
+  case DW_APPLE_PROPERTY_atomic:
+    return "DW_APPLE_PROPERTY_atomic";
+  case DW_APPLE_PROPERTY_weak:
+    return "DW_APPLE_PROPERTY_weak";
+  case DW_APPLE_PROPERTY_strong:
+    return "DW_APPLE_PROPERTY_strong";
+  case DW_APPLE_PROPERTY_unsafe_unretained:
+    return "DW_APPLE_PROPERTY_unsafe_unretained";
+  }
+  return nullptr;
+}
+
+const char *llvm::dwarf::AtomTypeString(unsigned AT) {
+  switch (AT) {
+  case dwarf::DW_ATOM_null:
+    return "DW_ATOM_null";
+  case dwarf::DW_ATOM_die_offset:
+    return "DW_ATOM_die_offset";
+  case DW_ATOM_cu_offset:
+    return "DW_ATOM_cu_offset";
+  case DW_ATOM_die_tag:
+    return "DW_ATOM_die_tag";
+  case DW_ATOM_type_flags:
+    return "DW_ATOM_type_flags";
+  }
+  return nullptr;
+}
+
+const char *llvm::dwarf::GDBIndexEntryKindString(GDBIndexEntryKind Kind) {
+  switch (Kind) {
+  case GIEK_NONE:
+    return "NONE";
+  case GIEK_TYPE:
+    return "TYPE";
+  case GIEK_VARIABLE:
+    return "VARIABLE";
+  case GIEK_FUNCTION:
+    return "FUNCTION";
+  case GIEK_OTHER:
+    return "OTHER";
+  case GIEK_UNUSED5:
+    return "UNUSED5";
+  case GIEK_UNUSED6:
+    return "UNUSED6";
+  case GIEK_UNUSED7:
+    return "UNUSED7";
+  }
+  llvm_unreachable("Unknown GDBIndexEntryKind value");
+}
+
+const char *llvm::dwarf::GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage) {
+  switch (Linkage) {
+  case GIEL_EXTERNAL:
+    return "EXTERNAL";
+  case GIEL_STATIC:
+    return "STATIC";
+  }
+  llvm_unreachable("Unknown GDBIndexEntryLinkage value");
+}
+
+const char *llvm::dwarf::AttributeValueString(uint16_t Attr, unsigned Val) {
+  switch (Attr) {
+  case DW_AT_accessibility:
+    return AccessibilityString(Val);
+  case DW_AT_virtuality:
+    return VirtualityString(Val);
+  case DW_AT_language:
+    return LanguageString(Val);
+  case DW_AT_encoding:
+    return AttributeEncodingString(Val);
+  case DW_AT_decimal_sign:
+    return DecimalSignString(Val);
+  case DW_AT_endianity:
+    return EndianityString(Val);
+  case DW_AT_visibility:
+    return VisibilityString(Val);
+  case DW_AT_identifier_case:
+    return CaseString(Val);
+  case DW_AT_calling_convention:
+    return ConventionString(Val);
+  case DW_AT_inline:
+    return InlineCodeString(Val);
+  case DW_AT_ordering:
+    return ArrayOrderString(Val);
+  case DW_AT_discr_value:
+    return DiscriminantString(Val);
+  }
+
+  return nullptr;
 }