1 /* Declarations and definitions of codes relating to the DWARF2 and 2 DWARF3 symbolic debugging information formats. 3 Copyright (C) 1992-2016 Free Software Foundation, Inc. 4 5 Written by Gary Funck (gary (at) intrepid.com) The Ada Joint Program 6 Office (AJPO), Florida State University and Silicon Graphics Inc. 7 provided support for this effort -- June 21, 1995. 8 9 Derived from the DWARF 1 implementation written by Ron Guilmette 10 (rfg (at) netcom.com), November 1990. 11 12 This file is part of GCC. 13 14 GCC is free software; you can redistribute it and/or modify it under 15 the terms of the GNU General Public License as published by the Free 16 Software Foundation; either version 3, or (at your option) any later 17 version. 18 19 GCC is distributed in the hope that it will be useful, but WITHOUT 20 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 21 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 22 License for more details. 23 24 Under Section 7 of GPL version 3, you are granted additional 25 permissions described in the GCC Runtime Library Exception, version 26 3.1, as published by the Free Software Foundation. 27 28 You should have received a copy of the GNU General Public License and 29 a copy of the GCC Runtime Library Exception along with this program; 30 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 31 <http://www.gnu.org/licenses/>. */ 32 33 /* This file is derived from the DWARF specification (a public document) 34 Revision 2.0.0 (July 27, 1993) developed by the UNIX International 35 Programming Languages Special Interest Group (UI/PLSIG) and distributed 36 by UNIX International. Copies of this specification are available from 37 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. 38 39 This file also now contains definitions from the DWARF 3 specification 40 published Dec 20, 2005, available from: http://dwarf.freestandards.org. */ 41 42 #ifndef _DWARF2_H 43 #define _DWARF2_H 44 45 #define DW_TAG(name, value) , name = value 46 #define DW_TAG_DUP(name, value) , name = value 47 #define DW_FORM(name, value) , name = value 48 #define DW_AT(name, value) , name = value 49 #define DW_AT_DUP(name, value) , name = value 50 #define DW_OP(name, value) , name = value 51 #define DW_OP_DUP(name, value) , name = value 52 #define DW_ATE(name, value) , name = value 53 #define DW_ATE_DUP(name, value) , name = value 54 #define DW_CFA(name, value) , name = value 55 56 #define DW_FIRST_TAG(name, value) enum dwarf_tag { \ 57 name = value 58 #define DW_END_TAG }; 59 #define DW_FIRST_FORM(name, value) enum dwarf_form { \ 60 name = value 61 #define DW_END_FORM }; 62 #define DW_FIRST_AT(name, value) enum dwarf_attribute { \ 63 name = value 64 #define DW_END_AT }; 65 #define DW_FIRST_OP(name, value) enum dwarf_location_atom { \ 66 name = value 67 #define DW_END_OP }; 68 #define DW_FIRST_ATE(name, value) enum dwarf_type { \ 69 name = value 70 #define DW_END_ATE }; 71 #define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \ 72 name = value 73 #define DW_END_CFA }; 74 75 #include "dwarf2.def" 76 77 #undef DW_FIRST_TAG 78 #undef DW_END_TAG 79 #undef DW_FIRST_FORM 80 #undef DW_END_FORM 81 #undef DW_FIRST_AT 82 #undef DW_END_AT 83 #undef DW_FIRST_OP 84 #undef DW_END_OP 85 #undef DW_FIRST_ATE 86 #undef DW_END_ATE 87 #undef DW_FIRST_CFA 88 #undef DW_END_CFA 89 90 #undef DW_TAG 91 #undef DW_TAG_DUP 92 #undef DW_FORM 93 #undef DW_AT 94 #undef DW_AT_DUP 95 #undef DW_OP 96 #undef DW_OP_DUP 97 #undef DW_ATE 98 #undef DW_ATE_DUP 99 #undef DW_CFA 100 101 /* Flag that tells whether entry has a child or not. */ 102 #define DW_children_no 0 103 #define DW_children_yes 1 104 105 #define DW_AT_stride_size DW_AT_bit_stride /* Note: The use of DW_AT_stride_size is deprecated. */ 106 #define DW_AT_stride DW_AT_byte_stride /* Note: The use of DW_AT_stride is deprecated. */ 107 108 /* Decimal sign encodings. */ 109 enum dwarf_decimal_sign_encoding 110 { 111 /* DWARF 3. */ 112 DW_DS_unsigned = 0x01, 113 DW_DS_leading_overpunch = 0x02, 114 DW_DS_trailing_overpunch = 0x03, 115 DW_DS_leading_separate = 0x04, 116 DW_DS_trailing_separate = 0x05 117 }; 118 119 /* Endianity encodings. */ 120 enum dwarf_endianity_encoding 121 { 122 /* DWARF 3. */ 123 DW_END_default = 0x00, 124 DW_END_big = 0x01, 125 DW_END_little = 0x02, 126 127 DW_END_lo_user = 0x40, 128 DW_END_hi_user = 0xff 129 }; 130 131 /* Array ordering names and codes. */ 132 enum dwarf_array_dim_ordering 133 { 134 DW_ORD_row_major = 0, 135 DW_ORD_col_major = 1 136 }; 137 138 /* Access attribute. */ 139 enum dwarf_access_attribute 140 { 141 DW_ACCESS_public = 1, 142 DW_ACCESS_protected = 2, 143 DW_ACCESS_private = 3 144 }; 145 146 /* Visibility. */ 147 enum dwarf_visibility_attribute 148 { 149 DW_VIS_local = 1, 150 DW_VIS_exported = 2, 151 DW_VIS_qualified = 3 152 }; 153 154 /* Virtuality. */ 155 enum dwarf_virtuality_attribute 156 { 157 DW_VIRTUALITY_none = 0, 158 DW_VIRTUALITY_virtual = 1, 159 DW_VIRTUALITY_pure_virtual = 2 160 }; 161 162 /* Case sensitivity. */ 163 enum dwarf_id_case 164 { 165 DW_ID_case_sensitive = 0, 166 DW_ID_up_case = 1, 167 DW_ID_down_case = 2, 168 DW_ID_case_insensitive = 3 169 }; 170 171 /* Calling convention. */ 172 enum dwarf_calling_convention 173 { 174 DW_CC_normal = 0x1, 175 DW_CC_program = 0x2, 176 DW_CC_nocall = 0x3, 177 178 DW_CC_lo_user = 0x40, 179 DW_CC_hi_user = 0xff, 180 181 DW_CC_GNU_renesas_sh = 0x40, 182 DW_CC_GNU_borland_fastcall_i386 = 0x41, 183 184 /* This DW_CC_ value is not currently generated by any toolchain. It is 185 used internally to GDB to indicate OpenCL C functions that have been 186 compiled with the IBM XL C for OpenCL compiler and use a non-platform 187 calling convention for passing OpenCL C vector types. This value may 188 be changed freely as long as it does not conflict with any other DW_CC_ 189 value defined here. */ 190 DW_CC_GDB_IBM_OpenCL = 0xff 191 }; 192 193 /* Inline attribute. */ 194 enum dwarf_inline_attribute 195 { 196 DW_INL_not_inlined = 0, 197 DW_INL_inlined = 1, 198 DW_INL_declared_not_inlined = 2, 199 DW_INL_declared_inlined = 3 200 }; 201 202 /* Discriminant lists. */ 203 enum dwarf_discrim_list 204 { 205 DW_DSC_label = 0, 206 DW_DSC_range = 1 207 }; 208 209 /* Line number opcodes. */ 210 enum dwarf_line_number_ops 211 { 212 DW_LNS_extended_op = 0, 213 DW_LNS_copy = 1, 214 DW_LNS_advance_pc = 2, 215 DW_LNS_advance_line = 3, 216 DW_LNS_set_file = 4, 217 DW_LNS_set_column = 5, 218 DW_LNS_negate_stmt = 6, 219 DW_LNS_set_basic_block = 7, 220 DW_LNS_const_add_pc = 8, 221 DW_LNS_fixed_advance_pc = 9, 222 /* DWARF 3. */ 223 DW_LNS_set_prologue_end = 10, 224 DW_LNS_set_epilogue_begin = 11, 225 DW_LNS_set_isa = 12, 226 /* Experimental DWARF 5 extensions. 227 See http://wiki.dwarfstd.org/index.php?title=TwoLevelLineTables. */ 228 DW_LNS_set_address_from_logical = 13, /* Actuals table only. */ 229 DW_LNS_set_subprogram = 13, /* Logicals table only. */ 230 DW_LNS_inlined_call = 14, /* Logicals table only. */ 231 DW_LNS_pop_context = 15 /* Logicals table only. */ 232 }; 233 234 /* Line number extended opcodes. */ 235 enum dwarf_line_number_x_ops 236 { 237 DW_LNE_end_sequence = 1, 238 DW_LNE_set_address = 2, 239 DW_LNE_define_file = 3, 240 DW_LNE_set_discriminator = 4, 241 /* HP extensions. */ 242 DW_LNE_HP_negate_is_UV_update = 0x11, 243 DW_LNE_HP_push_context = 0x12, 244 DW_LNE_HP_pop_context = 0x13, 245 DW_LNE_HP_set_file_line_column = 0x14, 246 DW_LNE_HP_set_routine_name = 0x15, 247 DW_LNE_HP_set_sequence = 0x16, 248 DW_LNE_HP_negate_post_semantics = 0x17, 249 DW_LNE_HP_negate_function_exit = 0x18, 250 DW_LNE_HP_negate_front_end_logical = 0x19, 251 DW_LNE_HP_define_proc = 0x20, 252 DW_LNE_HP_source_file_correlation = 0x80, 253 254 DW_LNE_lo_user = 0x80, 255 DW_LNE_hi_user = 0xff 256 }; 257 258 /* Sub-opcodes for DW_LNE_HP_source_file_correlation. */ 259 enum dwarf_line_number_hp_sfc_ops 260 { 261 DW_LNE_HP_SFC_formfeed = 1, 262 DW_LNE_HP_SFC_set_listing_line = 2, 263 DW_LNE_HP_SFC_associate = 3 264 }; 265 266 /* Type codes for location list entries. 267 Extension for Fission. See http://gcc.gnu.org/wiki/DebugFission. */ 268 269 enum dwarf_location_list_entry_type 270 { 271 DW_LLE_GNU_end_of_list_entry = 0, 272 DW_LLE_GNU_base_address_selection_entry = 1, 273 DW_LLE_GNU_start_end_entry = 2, 274 DW_LLE_GNU_start_length_entry = 3 275 }; 276 277 /* Type codes for line number program content descriptors (DWARF 5). */ 278 279 enum dwarf_line_number_content_type 280 { 281 DW_LNCT_path = 1, 282 DW_LNCT_directory_index = 2, 283 DW_LNCT_timestamp = 3, 284 DW_LNCT_size = 4, 285 DW_LNCT_MD5 = 5, 286 /* Experimental DWARF 5 extensions. 287 See http://wiki.dwarfstd.org/index.php?title=TwoLevelLineTables. */ 288 DW_LNCT_subprogram_name = 6, 289 DW_LNCT_decl_file = 7, 290 DW_LNCT_decl_line = 8 291 }; 292 293 #define DW_CIE_ID 0xffffffff 294 #define DW64_CIE_ID 0xffffffffffffffffULL 295 #define DW_CIE_VERSION 1 296 297 #define DW_CFA_extended 0 298 299 #define DW_CHILDREN_no 0x00 300 #define DW_CHILDREN_yes 0x01 301 302 #define DW_ADDR_none 0 303 304 /* Source language names and codes. */ 305 enum dwarf_source_language 306 { 307 DW_LANG_C89 = 0x0001, 308 DW_LANG_C = 0x0002, 309 DW_LANG_Ada83 = 0x0003, 310 DW_LANG_C_plus_plus = 0x0004, 311 DW_LANG_Cobol74 = 0x0005, 312 DW_LANG_Cobol85 = 0x0006, 313 DW_LANG_Fortran77 = 0x0007, 314 DW_LANG_Fortran90 = 0x0008, 315 DW_LANG_Pascal83 = 0x0009, 316 DW_LANG_Modula2 = 0x000a, 317 /* DWARF 3. */ 318 DW_LANG_Java = 0x000b, 319 DW_LANG_C99 = 0x000c, 320 DW_LANG_Ada95 = 0x000d, 321 DW_LANG_Fortran95 = 0x000e, 322 DW_LANG_PLI = 0x000f, 323 DW_LANG_ObjC = 0x0010, 324 DW_LANG_ObjC_plus_plus = 0x0011, 325 DW_LANG_UPC = 0x0012, 326 DW_LANG_D = 0x0013, 327 /* DWARF 4. */ 328 DW_LANG_Python = 0x0014, 329 /* DWARF 5. */ 330 DW_LANG_Go = 0x0016, 331 332 DW_LANG_C_plus_plus_11 = 0x001a, /* dwarf5.20141029.pdf DRAFT */ 333 DW_LANG_Rust = 0x001c, 334 DW_LANG_C11 = 0x001d, 335 DW_LANG_C_plus_plus_14 = 0x0021, 336 DW_LANG_Fortran03 = 0x0022, 337 DW_LANG_Fortran08 = 0x0023, 338 339 DW_LANG_lo_user = 0x8000, /* Implementation-defined range start. */ 340 DW_LANG_hi_user = 0xffff, /* Implementation-defined range start. */ 341 342 /* MIPS. */ 343 DW_LANG_Mips_Assembler = 0x8001, 344 /* UPC. */ 345 DW_LANG_Upc = 0x8765, 346 /* HP extensions. */ 347 DW_LANG_HP_Bliss = 0x8003, 348 DW_LANG_HP_Basic91 = 0x8004, 349 DW_LANG_HP_Pascal91 = 0x8005, 350 DW_LANG_HP_IMacro = 0x8006, 351 DW_LANG_HP_Assembler = 0x8007, 352 353 /* Rust extension, but replaced in DWARF 5. */ 354 DW_LANG_Rust_old = 0x9000 355 }; 356 357 /* Names and codes for macro information. */ 358 enum dwarf_macinfo_record_type 359 { 360 DW_MACINFO_define = 1, 361 DW_MACINFO_undef = 2, 362 DW_MACINFO_start_file = 3, 363 DW_MACINFO_end_file = 4, 364 DW_MACINFO_vendor_ext = 255 365 }; 366 367 /* Names and codes for new style macro information. */ 368 enum dwarf_macro_record_type 369 { 370 DW_MACRO_GNU_define = 1, 371 DW_MACRO_GNU_undef = 2, 372 DW_MACRO_GNU_start_file = 3, 373 DW_MACRO_GNU_end_file = 4, 374 DW_MACRO_GNU_define_indirect = 5, 375 DW_MACRO_GNU_undef_indirect = 6, 376 DW_MACRO_GNU_transparent_include = 7, 377 /* Extensions for DWZ multifile. 378 See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open . */ 379 DW_MACRO_GNU_define_indirect_alt = 8, 380 DW_MACRO_GNU_undef_indirect_alt = 9, 381 DW_MACRO_GNU_transparent_include_alt = 10, 382 DW_MACRO_GNU_lo_user = 0xe0, 383 DW_MACRO_GNU_hi_user = 0xff 384 }; 385 386 /* @@@ For use with GNU frame unwind information. */ 388 389 #define DW_EH_PE_absptr 0x00 390 #define DW_EH_PE_omit 0xff 391 392 #define DW_EH_PE_uleb128 0x01 393 #define DW_EH_PE_udata2 0x02 394 #define DW_EH_PE_udata4 0x03 395 #define DW_EH_PE_udata8 0x04 396 #define DW_EH_PE_sleb128 0x09 397 #define DW_EH_PE_sdata2 0x0A 398 #define DW_EH_PE_sdata4 0x0B 399 #define DW_EH_PE_sdata8 0x0C 400 #define DW_EH_PE_signed 0x08 401 402 #define DW_EH_PE_pcrel 0x10 403 #define DW_EH_PE_textrel 0x20 404 #define DW_EH_PE_datarel 0x30 405 #define DW_EH_PE_funcrel 0x40 406 #define DW_EH_PE_aligned 0x50 407 408 #define DW_EH_PE_indirect 0x80 409 410 /* Codes for the debug sections in a dwarf package (.dwp) file. 411 Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFissionDWP. */ 412 enum dwarf_sect 413 { 414 DW_SECT_INFO = 1, 415 DW_SECT_TYPES = 2, 416 DW_SECT_ABBREV = 3, 417 DW_SECT_LINE = 4, 418 DW_SECT_LOC = 5, 419 DW_SECT_STR_OFFSETS = 6, 420 DW_SECT_MACINFO = 7, 421 DW_SECT_MACRO = 8, 422 DW_SECT_MAX = 8 423 }; 424 425 #ifdef __cplusplus 426 extern "C" { 427 #endif /* __cplusplus */ 428 429 /* Return the name of a DW_TAG_ constant, or NULL if the value is not 430 recognized. */ 431 extern const char *get_DW_TAG_name (unsigned int tag); 432 433 /* Return the name of a DW_AT_ constant, or NULL if the value is not 434 recognized. */ 435 extern const char *get_DW_AT_name (unsigned int attr); 436 437 /* Return the name of a DW_FORM_ constant, or NULL if the value is not 438 recognized. */ 439 extern const char *get_DW_FORM_name (unsigned int form); 440 441 /* Return the name of a DW_OP_ constant, or NULL if the value is not 442 recognized. */ 443 extern const char *get_DW_OP_name (unsigned int op); 444 445 /* Return the name of a DW_ATE_ constant, or NULL if the value is not 446 recognized. */ 447 extern const char *get_DW_ATE_name (unsigned int enc); 448 449 /* Return the name of a DW_CFA_ constant, or NULL if the value is not 450 recognized. */ 451 extern const char *get_DW_CFA_name (unsigned int opc); 452 453 #ifdef __cplusplus 454 } 455 #endif /* __cplusplus */ 456 457 #endif /* _DWARF2_H */ 458
