Dwarf.cpp revision c25e7581b9b8088910da31702d4ca21c4734c6d7
1//===-- llvm/Support/Dwarf.cpp - Dwarf Framework ----------------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file contains support for generic dwarf information. 11// 12//===----------------------------------------------------------------------===// 13 14#include "llvm/Support/Dwarf.h" 15#include "llvm/Support/ErrorHandling.h" 16 17#include <cassert> 18 19namespace llvm { 20 21namespace dwarf { 22 23/// TagString - Return the string for the specified tag. 24/// 25const char *TagString(unsigned Tag) { 26 switch (Tag) { 27 case DW_TAG_array_type: return "DW_TAG_array_type"; 28 case DW_TAG_class_type: return "DW_TAG_class_type"; 29 case DW_TAG_entry_point: return "DW_TAG_entry_point"; 30 case DW_TAG_enumeration_type: return "DW_TAG_enumeration_type"; 31 case DW_TAG_formal_parameter: return "DW_TAG_formal_parameter"; 32 case DW_TAG_imported_declaration: return "DW_TAG_imported_declaration"; 33 case DW_TAG_label: return "DW_TAG_label"; 34 case DW_TAG_lexical_block: return "DW_TAG_lexical_block"; 35 case DW_TAG_member: return "DW_TAG_member"; 36 case DW_TAG_pointer_type: return "DW_TAG_pointer_type"; 37 case DW_TAG_reference_type: return "DW_TAG_reference_type"; 38 case DW_TAG_compile_unit: return "DW_TAG_compile_unit"; 39 case DW_TAG_string_type: return "DW_TAG_string_type"; 40 case DW_TAG_structure_type: return "DW_TAG_structure_type"; 41 case DW_TAG_subroutine_type: return "DW_TAG_subroutine_type"; 42 case DW_TAG_typedef: return "DW_TAG_typedef"; 43 case DW_TAG_union_type: return "DW_TAG_union_type"; 44 case DW_TAG_unspecified_parameters: return "DW_TAG_unspecified_parameters"; 45 case DW_TAG_variant: return "DW_TAG_variant"; 46 case DW_TAG_common_block: return "DW_TAG_common_block"; 47 case DW_TAG_common_inclusion: return "DW_TAG_common_inclusion"; 48 case DW_TAG_inheritance: return "DW_TAG_inheritance"; 49 case DW_TAG_inlined_subroutine: return "DW_TAG_inlined_subroutine"; 50 case DW_TAG_module: return "DW_TAG_module"; 51 case DW_TAG_ptr_to_member_type: return "DW_TAG_ptr_to_member_type"; 52 case DW_TAG_set_type: return "DW_TAG_set_type"; 53 case DW_TAG_subrange_type: return "DW_TAG_subrange_type"; 54 case DW_TAG_with_stmt: return "DW_TAG_with_stmt"; 55 case DW_TAG_access_declaration: return "DW_TAG_access_declaration"; 56 case DW_TAG_base_type: return "DW_TAG_base_type"; 57 case DW_TAG_catch_block: return "DW_TAG_catch_block"; 58 case DW_TAG_const_type: return "DW_TAG_const_type"; 59 case DW_TAG_constant: return "DW_TAG_constant"; 60 case DW_TAG_enumerator: return "DW_TAG_enumerator"; 61 case DW_TAG_file_type: return "DW_TAG_file_type"; 62 case DW_TAG_friend: return "DW_TAG_friend"; 63 case DW_TAG_namelist: return "DW_TAG_namelist"; 64 case DW_TAG_namelist_item: return "DW_TAG_namelist_item"; 65 case DW_TAG_packed_type: return "DW_TAG_packed_type"; 66 case DW_TAG_subprogram: return "DW_TAG_subprogram"; 67 case DW_TAG_template_type_parameter: return "DW_TAG_template_type_parameter"; 68 case DW_TAG_template_value_parameter: return "DW_TAG_template_value_parameter"; 69 case DW_TAG_thrown_type: return "DW_TAG_thrown_type"; 70 case DW_TAG_try_block: return "DW_TAG_try_block"; 71 case DW_TAG_variant_part: return "DW_TAG_variant_part"; 72 case DW_TAG_variable: return "DW_TAG_variable"; 73 case DW_TAG_volatile_type: return "DW_TAG_volatile_type"; 74 case DW_TAG_dwarf_procedure: return "DW_TAG_dwarf_procedure"; 75 case DW_TAG_restrict_type: return "DW_TAG_restrict_type"; 76 case DW_TAG_interface_type: return "DW_TAG_interface_type"; 77 case DW_TAG_namespace: return "DW_TAG_namespace"; 78 case DW_TAG_imported_module: return "DW_TAG_imported_module"; 79 case DW_TAG_unspecified_type: return "DW_TAG_unspecified_type"; 80 case DW_TAG_partial_unit: return "DW_TAG_partial_unit"; 81 case DW_TAG_imported_unit: return "DW_TAG_imported_unit"; 82 case DW_TAG_condition: return "DW_TAG_condition"; 83 case DW_TAG_shared_type: return "DW_TAG_shared_type"; 84 case DW_TAG_lo_user: return "DW_TAG_lo_user"; 85 case DW_TAG_hi_user: return "DW_TAG_hi_user"; 86 } 87 LLVM_UNREACHABLE("Unknown Dwarf Tag"); 88 return ""; 89} 90 91/// ChildrenString - Return the string for the specified children flag. 92/// 93const char *ChildrenString(unsigned Children) { 94 switch (Children) { 95 case DW_CHILDREN_no: return "CHILDREN_no"; 96 case DW_CHILDREN_yes: return "CHILDREN_yes"; 97 } 98 LLVM_UNREACHABLE("Unknown Dwarf ChildrenFlag"); 99 return ""; 100} 101 102/// AttributeString - Return the string for the specified attribute. 103/// 104const char *AttributeString(unsigned Attribute) { 105 switch (Attribute) { 106 case DW_AT_sibling: return "DW_AT_sibling"; 107 case DW_AT_location: return "DW_AT_location"; 108 case DW_AT_name: return "DW_AT_name"; 109 case DW_AT_ordering: return "DW_AT_ordering"; 110 case DW_AT_byte_size: return "DW_AT_byte_size"; 111 case DW_AT_bit_offset: return "DW_AT_bit_offset"; 112 case DW_AT_bit_size: return "DW_AT_bit_size"; 113 case DW_AT_stmt_list: return "DW_AT_stmt_list"; 114 case DW_AT_low_pc: return "DW_AT_low_pc"; 115 case DW_AT_high_pc: return "DW_AT_high_pc"; 116 case DW_AT_language: return "DW_AT_language"; 117 case DW_AT_discr: return "DW_AT_discr"; 118 case DW_AT_discr_value: return "DW_AT_discr_value"; 119 case DW_AT_visibility: return "DW_AT_visibility"; 120 case DW_AT_import: return "DW_AT_import"; 121 case DW_AT_string_length: return "DW_AT_string_length"; 122 case DW_AT_common_reference: return "DW_AT_common_reference"; 123 case DW_AT_comp_dir: return "DW_AT_comp_dir"; 124 case DW_AT_const_value: return "DW_AT_const_value"; 125 case DW_AT_containing_type: return "DW_AT_containing_type"; 126 case DW_AT_default_value: return "DW_AT_default_value"; 127 case DW_AT_inline: return "DW_AT_inline"; 128 case DW_AT_is_optional: return "DW_AT_is_optional"; 129 case DW_AT_lower_bound: return "DW_AT_lower_bound"; 130 case DW_AT_producer: return "DW_AT_producer"; 131 case DW_AT_prototyped: return "DW_AT_prototyped"; 132 case DW_AT_return_addr: return "DW_AT_return_addr"; 133 case DW_AT_start_scope: return "DW_AT_start_scope"; 134 case DW_AT_bit_stride: return "DW_AT_bit_stride"; 135 case DW_AT_upper_bound: return "DW_AT_upper_bound"; 136 case DW_AT_abstract_origin: return "DW_AT_abstract_origin"; 137 case DW_AT_accessibility: return "DW_AT_accessibility"; 138 case DW_AT_address_class: return "DW_AT_address_class"; 139 case DW_AT_artificial: return "DW_AT_artificial"; 140 case DW_AT_base_types: return "DW_AT_base_types"; 141 case DW_AT_calling_convention: return "DW_AT_calling_convention"; 142 case DW_AT_count: return "DW_AT_count"; 143 case DW_AT_data_member_location: return "DW_AT_data_member_location"; 144 case DW_AT_decl_column: return "DW_AT_decl_column"; 145 case DW_AT_decl_file: return "DW_AT_decl_file"; 146 case DW_AT_decl_line: return "DW_AT_decl_line"; 147 case DW_AT_declaration: return "DW_AT_declaration"; 148 case DW_AT_discr_list: return "DW_AT_discr_list"; 149 case DW_AT_encoding: return "DW_AT_encoding"; 150 case DW_AT_external: return "DW_AT_external"; 151 case DW_AT_frame_base: return "DW_AT_frame_base"; 152 case DW_AT_friend: return "DW_AT_friend"; 153 case DW_AT_identifier_case: return "DW_AT_identifier_case"; 154 case DW_AT_macro_info: return "DW_AT_macro_info"; 155 case DW_AT_namelist_item: return "DW_AT_namelist_item"; 156 case DW_AT_priority: return "DW_AT_priority"; 157 case DW_AT_segment: return "DW_AT_segment"; 158 case DW_AT_specification: return "DW_AT_specification"; 159 case DW_AT_static_link: return "DW_AT_static_link"; 160 case DW_AT_type: return "DW_AT_type"; 161 case DW_AT_use_location: return "DW_AT_use_location"; 162 case DW_AT_variable_parameter: return "DW_AT_variable_parameter"; 163 case DW_AT_virtuality: return "DW_AT_virtuality"; 164 case DW_AT_vtable_elem_location: return "DW_AT_vtable_elem_location"; 165 case DW_AT_allocated: return "DW_AT_allocated"; 166 case DW_AT_associated: return "DW_AT_associated"; 167 case DW_AT_data_location: return "DW_AT_data_location"; 168 case DW_AT_byte_stride: return "DW_AT_byte_stride"; 169 case DW_AT_entry_pc: return "DW_AT_entry_pc"; 170 case DW_AT_use_UTF8: return "DW_AT_use_UTF8"; 171 case DW_AT_extension: return "DW_AT_extension"; 172 case DW_AT_ranges: return "DW_AT_ranges"; 173 case DW_AT_trampoline: return "DW_AT_trampoline"; 174 case DW_AT_call_column: return "DW_AT_call_column"; 175 case DW_AT_call_file: return "DW_AT_call_file"; 176 case DW_AT_call_line: return "DW_AT_call_line"; 177 case DW_AT_description: return "DW_AT_description"; 178 case DW_AT_binary_scale: return "DW_AT_binary_scale"; 179 case DW_AT_decimal_scale: return "DW_AT_decimal_scale"; 180 case DW_AT_small: return "DW_AT_small"; 181 case DW_AT_decimal_sign: return "DW_AT_decimal_sign"; 182 case DW_AT_digit_count: return "DW_AT_digit_count"; 183 case DW_AT_picture_string: return "DW_AT_picture_string"; 184 case DW_AT_mutable: return "DW_AT_mutable"; 185 case DW_AT_threads_scaled: return "DW_AT_threads_scaled"; 186 case DW_AT_explicit: return "DW_AT_explicit"; 187 case DW_AT_object_pointer: return "DW_AT_object_pointer"; 188 case DW_AT_endianity: return "DW_AT_endianity"; 189 case DW_AT_elemental: return "DW_AT_elemental"; 190 case DW_AT_pure: return "DW_AT_pure"; 191 case DW_AT_recursive: return "DW_AT_recursive"; 192 case DW_AT_MIPS_linkage_name: return "DW_AT_MIPS_linkage_name"; 193 case DW_AT_sf_names: return "DW_AT_sf_names"; 194 case DW_AT_src_info: return "DW_AT_src_info"; 195 case DW_AT_mac_info: return "DW_AT_mac_info"; 196 case DW_AT_src_coords: return "DW_AT_src_coords"; 197 case DW_AT_body_begin: return "DW_AT_body_begin"; 198 case DW_AT_body_end: return "DW_AT_body_end"; 199 case DW_AT_GNU_vector: return "DW_AT_GNU_vector"; 200 case DW_AT_lo_user: return "DW_AT_lo_user"; 201 case DW_AT_hi_user: return "DW_AT_hi_user"; 202 case DW_AT_APPLE_optimized: return "DW_AT_APPLE_optimized"; 203 case DW_AT_APPLE_flags: return "DW_AT_APPLE_flags"; 204 case DW_AT_APPLE_isa: return "DW_AT_APPLE_isa"; 205 case DW_AT_APPLE_block: return "DW_AT_APPLE_block"; 206 case DW_AT_APPLE_major_runtime_vers: return "DW_AT_APPLE_major_runtime_vers"; 207 case DW_AT_APPLE_runtime_class: return "DW_AT_APPLE_runtime_class"; 208 } 209 LLVM_UNREACHABLE("Unknown Dwarf Attribute"); 210 return ""; 211} 212 213/// FormEncodingString - Return the string for the specified form encoding. 214/// 215const char *FormEncodingString(unsigned Encoding) { 216 switch (Encoding) { 217 case DW_FORM_addr: return "FORM_addr"; 218 case DW_FORM_block2: return "FORM_block2"; 219 case DW_FORM_block4: return "FORM_block4"; 220 case DW_FORM_data2: return "FORM_data2"; 221 case DW_FORM_data4: return "FORM_data4"; 222 case DW_FORM_data8: return "FORM_data8"; 223 case DW_FORM_string: return "FORM_string"; 224 case DW_FORM_block: return "FORM_block"; 225 case DW_FORM_block1: return "FORM_block1"; 226 case DW_FORM_data1: return "FORM_data1"; 227 case DW_FORM_flag: return "FORM_flag"; 228 case DW_FORM_sdata: return "FORM_sdata"; 229 case DW_FORM_strp: return "FORM_strp"; 230 case DW_FORM_udata: return "FORM_udata"; 231 case DW_FORM_ref_addr: return "FORM_ref_addr"; 232 case DW_FORM_ref1: return "FORM_ref1"; 233 case DW_FORM_ref2: return "FORM_ref2"; 234 case DW_FORM_ref4: return "FORM_ref4"; 235 case DW_FORM_ref8: return "FORM_ref8"; 236 case DW_FORM_ref_udata: return "FORM_ref_udata"; 237 case DW_FORM_indirect: return "FORM_indirect"; 238 } 239 LLVM_UNREACHABLE("Unknown Dwarf Form Encoding"); 240 return ""; 241} 242 243/// OperationEncodingString - Return the string for the specified operation 244/// encoding. 245const char *OperationEncodingString(unsigned Encoding) { 246 switch (Encoding) { 247 case DW_OP_addr: return "OP_addr"; 248 case DW_OP_deref: return "OP_deref"; 249 case DW_OP_const1u: return "OP_const1u"; 250 case DW_OP_const1s: return "OP_const1s"; 251 case DW_OP_const2u: return "OP_const2u"; 252 case DW_OP_const2s: return "OP_const2s"; 253 case DW_OP_const4u: return "OP_const4u"; 254 case DW_OP_const4s: return "OP_const4s"; 255 case DW_OP_const8u: return "OP_const8u"; 256 case DW_OP_const8s: return "OP_const8s"; 257 case DW_OP_constu: return "OP_constu"; 258 case DW_OP_consts: return "OP_consts"; 259 case DW_OP_dup: return "OP_dup"; 260 case DW_OP_drop: return "OP_drop"; 261 case DW_OP_over: return "OP_over"; 262 case DW_OP_pick: return "OP_pick"; 263 case DW_OP_swap: return "OP_swap"; 264 case DW_OP_rot: return "OP_rot"; 265 case DW_OP_xderef: return "OP_xderef"; 266 case DW_OP_abs: return "OP_abs"; 267 case DW_OP_and: return "OP_and"; 268 case DW_OP_div: return "OP_div"; 269 case DW_OP_minus: return "OP_minus"; 270 case DW_OP_mod: return "OP_mod"; 271 case DW_OP_mul: return "OP_mul"; 272 case DW_OP_neg: return "OP_neg"; 273 case DW_OP_not: return "OP_not"; 274 case DW_OP_or: return "OP_or"; 275 case DW_OP_plus: return "OP_plus"; 276 case DW_OP_plus_uconst: return "OP_plus_uconst"; 277 case DW_OP_shl: return "OP_shl"; 278 case DW_OP_shr: return "OP_shr"; 279 case DW_OP_shra: return "OP_shra"; 280 case DW_OP_xor: return "OP_xor"; 281 case DW_OP_skip: return "OP_skip"; 282 case DW_OP_bra: return "OP_bra"; 283 case DW_OP_eq: return "OP_eq"; 284 case DW_OP_ge: return "OP_ge"; 285 case DW_OP_gt: return "OP_gt"; 286 case DW_OP_le: return "OP_le"; 287 case DW_OP_lt: return "OP_lt"; 288 case DW_OP_ne: return "OP_ne"; 289 case DW_OP_lit0: return "OP_lit0"; 290 case DW_OP_lit1: return "OP_lit1"; 291 case DW_OP_lit31: return "OP_lit31"; 292 case DW_OP_reg0: return "OP_reg0"; 293 case DW_OP_reg1: return "OP_reg1"; 294 case DW_OP_reg31: return "OP_reg31"; 295 case DW_OP_breg0: return "OP_breg0"; 296 case DW_OP_breg1: return "OP_breg1"; 297 case DW_OP_breg31: return "OP_breg31"; 298 case DW_OP_regx: return "OP_regx"; 299 case DW_OP_fbreg: return "OP_fbreg"; 300 case DW_OP_bregx: return "OP_bregx"; 301 case DW_OP_piece: return "OP_piece"; 302 case DW_OP_deref_size: return "OP_deref_size"; 303 case DW_OP_xderef_size: return "OP_xderef_size"; 304 case DW_OP_nop: return "OP_nop"; 305 case DW_OP_push_object_address: return "OP_push_object_address"; 306 case DW_OP_call2: return "OP_call2"; 307 case DW_OP_call4: return "OP_call4"; 308 case DW_OP_call_ref: return "OP_call_ref"; 309 case DW_OP_form_tls_address: return "OP_form_tls_address"; 310 case DW_OP_call_frame_cfa: return "OP_call_frame_cfa"; 311 case DW_OP_lo_user: return "OP_lo_user"; 312 case DW_OP_hi_user: return "OP_hi_user"; 313 } 314 LLVM_UNREACHABLE("Unknown Dwarf Operation Encoding"); 315 return ""; 316} 317 318/// AttributeEncodingString - Return the string for the specified attribute 319/// encoding. 320const char *AttributeEncodingString(unsigned Encoding) { 321 switch (Encoding) { 322 case DW_ATE_address: return "ATE_address"; 323 case DW_ATE_boolean: return "ATE_boolean"; 324 case DW_ATE_complex_float: return "ATE_complex_float"; 325 case DW_ATE_float: return "ATE_float"; 326 case DW_ATE_signed: return "ATE_signed"; 327 case DW_ATE_signed_char: return "ATE_signed_char"; 328 case DW_ATE_unsigned: return "ATE_unsigned"; 329 case DW_ATE_unsigned_char: return "ATE_unsigned_char"; 330 case DW_ATE_imaginary_float: return "ATE_imaginary_float"; 331 case DW_ATE_packed_decimal: return "ATE_packed_decimal"; 332 case DW_ATE_numeric_string: return "ATE_numeric_string"; 333 case DW_ATE_edited: return "ATE_edited"; 334 case DW_ATE_signed_fixed: return "ATE_signed_fixed"; 335 case DW_ATE_unsigned_fixed: return "ATE_unsigned_fixed"; 336 case DW_ATE_decimal_float: return "ATE_decimal_float"; 337 case DW_ATE_lo_user: return "ATE_lo_user"; 338 case DW_ATE_hi_user: return "ATE_hi_user"; 339 } 340 LLVM_UNREACHABLE("Unknown Dwarf Attribute Encoding"); 341 return ""; 342} 343 344/// DecimalSignString - Return the string for the specified decimal sign 345/// attribute. 346const char *DecimalSignString(unsigned Sign) { 347 switch (Sign) { 348 case DW_DS_unsigned: return "DS_unsigned"; 349 case DW_DS_leading_overpunch: return "DS_leading_overpunch"; 350 case DW_DS_trailing_overpunch: return "DS_trailing_overpunch"; 351 case DW_DS_leading_separate: return "DS_leading_separate"; 352 case DW_DS_trailing_separate: return "DS_trailing_separate"; 353 } 354 LLVM_UNREACHABLE("Unknown Dwarf Decimal Sign Attribute"); 355 return ""; 356} 357 358/// EndianityString - Return the string for the specified endianity. 359/// 360const char *EndianityString(unsigned Endian) { 361 switch (Endian) { 362 case DW_END_default: return "END_default"; 363 case DW_END_big: return "END_big"; 364 case DW_END_little: return "END_little"; 365 case DW_END_lo_user: return "END_lo_user"; 366 case DW_END_hi_user: return "END_hi_user"; 367 } 368 LLVM_UNREACHABLE("Unknown Dwarf Endianity"); 369 return ""; 370} 371 372/// AccessibilityString - Return the string for the specified accessibility. 373/// 374const char *AccessibilityString(unsigned Access) { 375 switch (Access) { 376 // Accessibility codes 377 case DW_ACCESS_public: return "ACCESS_public"; 378 case DW_ACCESS_protected: return "ACCESS_protected"; 379 case DW_ACCESS_private: return "ACCESS_private"; 380 } 381 LLVM_UNREACHABLE("Unknown Dwarf Accessibility"); 382 return ""; 383} 384 385/// VisibilityString - Return the string for the specified visibility. 386/// 387const char *VisibilityString(unsigned Visibility) { 388 switch (Visibility) { 389 case DW_VIS_local: return "VIS_local"; 390 case DW_VIS_exported: return "VIS_exported"; 391 case DW_VIS_qualified: return "VIS_qualified"; 392 } 393 LLVM_UNREACHABLE("Unknown Dwarf Visibility"); 394 return ""; 395} 396 397/// VirtualityString - Return the string for the specified virtuality. 398/// 399const char *VirtualityString(unsigned Virtuality) { 400 switch (Virtuality) { 401 case DW_VIRTUALITY_none: return "VIRTUALITY_none"; 402 case DW_VIRTUALITY_virtual: return "VIRTUALITY_virtual"; 403 case DW_VIRTUALITY_pure_virtual: return "VIRTUALITY_pure_virtual"; 404 } 405 LLVM_UNREACHABLE("Unknown Dwarf Virtuality"); 406 return ""; 407} 408 409/// LanguageString - Return the string for the specified language. 410/// 411const char *LanguageString(unsigned Language) { 412 switch (Language) { 413 case DW_LANG_C89: return "LANG_C89"; 414 case DW_LANG_C: return "LANG_C"; 415 case DW_LANG_Ada83: return "LANG_Ada83"; 416 case DW_LANG_C_plus_plus: return "LANG_C_plus_plus"; 417 case DW_LANG_Cobol74: return "LANG_Cobol74"; 418 case DW_LANG_Cobol85: return "LANG_Cobol85"; 419 case DW_LANG_Fortran77: return "LANG_Fortran77"; 420 case DW_LANG_Fortran90: return "LANG_Fortran90"; 421 case DW_LANG_Pascal83: return "LANG_Pascal83"; 422 case DW_LANG_Modula2: return "LANG_Modula2"; 423 case DW_LANG_Java: return "LANG_Java"; 424 case DW_LANG_C99: return "LANG_C99"; 425 case DW_LANG_Ada95: return "LANG_Ada95"; 426 case DW_LANG_Fortran95: return "LANG_Fortran95"; 427 case DW_LANG_PLI: return "LANG_PLI"; 428 case DW_LANG_ObjC: return "LANG_ObjC"; 429 case DW_LANG_ObjC_plus_plus: return "LANG_ObjC_plus_plus"; 430 case DW_LANG_UPC: return "LANG_UPC"; 431 case DW_LANG_D: return "LANG_D"; 432 case DW_LANG_lo_user: return "LANG_lo_user"; 433 case DW_LANG_hi_user: return "LANG_hi_user"; 434 } 435 LLVM_UNREACHABLE("Unknown Dwarf Language"); 436 return ""; 437} 438 439/// CaseString - Return the string for the specified identifier case. 440/// 441const char *CaseString(unsigned Case) { 442 switch (Case) { 443 case DW_ID_case_sensitive: return "ID_case_sensitive"; 444 case DW_ID_up_case: return "ID_up_case"; 445 case DW_ID_down_case: return "ID_down_case"; 446 case DW_ID_case_insensitive: return "ID_case_insensitive"; 447 } 448 LLVM_UNREACHABLE("Unknown Dwarf Identifier Case"); 449 return ""; 450} 451 452/// ConventionString - Return the string for the specified calling convention. 453/// 454const char *ConventionString(unsigned Convention) { 455 switch (Convention) { 456 case DW_CC_normal: return "CC_normal"; 457 case DW_CC_program: return "CC_program"; 458 case DW_CC_nocall: return "CC_nocall"; 459 case DW_CC_lo_user: return "CC_lo_user"; 460 case DW_CC_hi_user: return "CC_hi_user"; 461 } 462 LLVM_UNREACHABLE("Unknown Dwarf Calling Convention"); 463 return ""; 464} 465 466/// InlineCodeString - Return the string for the specified inline code. 467/// 468const char *InlineCodeString(unsigned Code) { 469 switch (Code) { 470 case DW_INL_not_inlined: return "INL_not_inlined"; 471 case DW_INL_inlined: return "INL_inlined"; 472 case DW_INL_declared_not_inlined: return "INL_declared_not_inlined"; 473 case DW_INL_declared_inlined: return "INL_declared_inlined"; 474 } 475 LLVM_UNREACHABLE("Unknown Dwarf Inline Code"); 476 return ""; 477} 478 479/// ArrayOrderString - Return the string for the specified array order. 480/// 481const char *ArrayOrderString(unsigned Order) { 482 switch (Order) { 483 case DW_ORD_row_major: return "ORD_row_major"; 484 case DW_ORD_col_major: return "ORD_col_major"; 485 } 486 LLVM_UNREACHABLE("Unknown Dwarf Array Order"); 487 return ""; 488} 489 490/// DiscriminantString - Return the string for the specified discriminant 491/// descriptor. 492const char *DiscriminantString(unsigned Discriminant) { 493 switch (Discriminant) { 494 case DW_DSC_label: return "DSC_label"; 495 case DW_DSC_range: return "DSC_range"; 496 } 497 LLVM_UNREACHABLE("Unknown Dwarf Discriminant Descriptor"); 498 return ""; 499} 500 501/// LNStandardString - Return the string for the specified line number standard. 502/// 503const char *LNStandardString(unsigned Standard) { 504 switch (Standard) { 505 case DW_LNS_copy: return "LNS_copy"; 506 case DW_LNS_advance_pc: return "LNS_advance_pc"; 507 case DW_LNS_advance_line: return "LNS_advance_line"; 508 case DW_LNS_set_file: return "LNS_set_file"; 509 case DW_LNS_set_column: return "LNS_set_column"; 510 case DW_LNS_negate_stmt: return "LNS_negate_stmt"; 511 case DW_LNS_set_basic_block: return "LNS_set_basic_block"; 512 case DW_LNS_const_add_pc: return "LNS_const_add_pc"; 513 case DW_LNS_fixed_advance_pc: return "LNS_fixed_advance_pc"; 514 case DW_LNS_set_prologue_end: return "LNS_set_prologue_end"; 515 case DW_LNS_set_epilogue_begin: return "LNS_set_epilogue_begin"; 516 case DW_LNS_set_isa: return "LNS_set_isa"; 517 } 518 LLVM_UNREACHABLE("Unknown Dwarf Line Number Standard"); 519 return ""; 520} 521 522/// LNExtendedString - Return the string for the specified line number extended 523/// opcode encodings. 524const char *LNExtendedString(unsigned Encoding) { 525 switch (Encoding) { 526 // Line Number Extended Opcode Encodings 527 case DW_LNE_end_sequence: return "LNE_end_sequence"; 528 case DW_LNE_set_address: return "LNE_set_address"; 529 case DW_LNE_define_file: return "LNE_define_file"; 530 case DW_LNE_lo_user: return "LNE_lo_user"; 531 case DW_LNE_hi_user: return "LNE_hi_user"; 532 } 533 LLVM_UNREACHABLE("Unknown Dwarf Line Number Extended Opcode Encoding"); 534 return ""; 535} 536 537/// MacinfoString - Return the string for the specified macinfo type encodings. 538/// 539const char *MacinfoString(unsigned Encoding) { 540 switch (Encoding) { 541 // Macinfo Type Encodings 542 case DW_MACINFO_define: return "MACINFO_define"; 543 case DW_MACINFO_undef: return "MACINFO_undef"; 544 case DW_MACINFO_start_file: return "MACINFO_start_file"; 545 case DW_MACINFO_end_file: return "MACINFO_end_file"; 546 case DW_MACINFO_vendor_ext: return "MACINFO_vendor_ext"; 547 } 548 LLVM_UNREACHABLE("Unknown Dwarf Macinfo Type Encodings"); 549 return ""; 550} 551 552/// CallFrameString - Return the string for the specified call frame instruction 553/// encodings. 554const char *CallFrameString(unsigned Encoding) { 555 switch (Encoding) { 556 case DW_CFA_advance_loc: return "CFA_advance_loc"; 557 case DW_CFA_offset: return "CFA_offset"; 558 case DW_CFA_restore: return "CFA_restore"; 559 case DW_CFA_set_loc: return "CFA_set_loc"; 560 case DW_CFA_advance_loc1: return "CFA_advance_loc1"; 561 case DW_CFA_advance_loc2: return "CFA_advance_loc2"; 562 case DW_CFA_advance_loc4: return "CFA_advance_loc4"; 563 case DW_CFA_offset_extended: return "CFA_offset_extended"; 564 case DW_CFA_restore_extended: return "CFA_restore_extended"; 565 case DW_CFA_undefined: return "CFA_undefined"; 566 case DW_CFA_same_value: return "CFA_same_value"; 567 case DW_CFA_register: return "CFA_register"; 568 case DW_CFA_remember_state: return "CFA_remember_state"; 569 case DW_CFA_restore_state: return "CFA_restore_state"; 570 case DW_CFA_def_cfa: return "CFA_def_cfa"; 571 case DW_CFA_def_cfa_register: return "CFA_def_cfa_register"; 572 case DW_CFA_def_cfa_offset: return "CFA_def_cfa_offset"; 573 case DW_CFA_def_cfa_expression: return "CFA_def_cfa_expression"; 574 case DW_CFA_expression: return "CFA_expression"; 575 case DW_CFA_offset_extended_sf: return "CFA_offset_extended_sf"; 576 case DW_CFA_def_cfa_sf: return "CFA_def_cfa_sf"; 577 case DW_CFA_def_cfa_offset_sf: return "CFA_def_cfa_offset_sf"; 578 case DW_CFA_val_offset: return "CFA_val_offset"; 579 case DW_CFA_val_offset_sf: return "CFA_val_offset_sf"; 580 case DW_CFA_val_expression: return "CFA_val_expression"; 581 case DW_CFA_lo_user: return "CFA_lo_user"; 582 case DW_CFA_hi_user: return "CFA_hi_user"; 583 } 584 LLVM_UNREACHABLE("Unknown Dwarf Call Frame Instruction Encodings"); 585 return ""; 586} 587 588} // End of namespace dwarf. 589 590} // End of namespace llvm. 591