1 /* Declarations and definitions of codes relating to the DWARF2 and 2 DWARF3 symbolic debugging information formats. 3 Copyright (C) 1992, 1993, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 4 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 5 Free Software Foundation, Inc. 6 7 Written by Gary Funck (gary@intrepid.com) The Ada Joint Program 8 Office (AJPO), Florida State University and Silicon Graphics Inc. 9 provided support for this effort -- June 21, 1995. 10 11 Derived from the DWARF 1 implementation written by Ron Guilmette 12 (rfg@netcom.com), November 1990. 13 14 This file is part of GCC. 15 16 GCC is free software; you can redistribute it and/or modify it under 17 the terms of the GNU General Public License as published by the Free 18 Software Foundation; either version 3, or (at your option) any later 19 version. 20 21 GCC is distributed in the hope that it will be useful, but WITHOUT 22 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 23 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 24 License for more details. 25 26 Under Section 7 of GPL version 3, you are granted additional 27 permissions described in the GCC Runtime Library Exception, version 28 3.1, as published by the Free Software Foundation. 29 30 You should have received a copy of the GNU General Public License and 31 a copy of the GCC Runtime Library Exception along with this program; 32 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 33 <http://www.gnu.org/licenses/>. */ 34 35 /* This file is derived from the DWARF specification (a public document) 36 Revision 2.0.0 (July 27, 1993) developed by the UNIX International 37 Programming Languages Special Interest Group (UI/PLSIG) and distributed 38 by UNIX International. Copies of this specification are available from 39 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. 40 41 This file also now contains definitions from the DWARF 3 specification 42 published Dec 20, 2005, available from: http://dwarf.freestandards.org. */ 43 44 #ifndef _DWARF2_H 45 #define _DWARF2_H 46 47 #define DW_TAG(name, value) , name = value 48 #define DW_TAG_DUP(name, value) , name = value 49 #define DW_FORM(name, value) , name = value 50 #define DW_AT(name, value) , name = value 51 #define DW_AT_DUP(name, value) , name = value 52 #define DW_OP(name, value) , name = value 53 #define DW_OP_DUP(name, value) , name = value 54 #define DW_ATE(name, value) , name = value 55 #define DW_ATE_DUP(name, value) , name = value 56 #define DW_CFA(name, value) , name = value 57 58 #define DW_FIRST_TAG(name, value) enum dwarf_tag { \ 59 name = value 60 #define DW_END_TAG }; 61 #define DW_FIRST_FORM(name, value) enum dwarf_form { \ 62 name = value 63 #define DW_END_FORM }; 64 #define DW_FIRST_AT(name, value) enum dwarf_attribute { \ 65 name = value 66 #define DW_END_AT }; 67 #define DW_FIRST_OP(name, value) enum dwarf_location_atom { \ 68 name = value 69 #define DW_END_OP }; 70 #define DW_FIRST_ATE(name, value) enum dwarf_type { \ 71 name = value 72 #define DW_END_ATE }; 73 #define DW_FIRST_CFA(name, value) enum dwarf_call_frame_info { \ 74 name = value 75 #define DW_END_CFA }; 76 77 #include "dwarf2.def" 78 79 #undef DW_FIRST_TAG 80 #undef DW_END_TAG 81 #undef DW_FIRST_FORM 82 #undef DW_END_FORM 83 #undef DW_FIRST_AT 84 #undef DW_END_AT 85 #undef DW_FIRST_OP 86 #undef DW_END_OP 87 #undef DW_FIRST_ATE 88 #undef DW_END_ATE 89 #undef DW_FIRST_CFA 90 #undef DW_END_CFA 91 92 #undef DW_TAG 93 #undef DW_TAG_DUP 94 #undef DW_FORM 95 #undef DW_AT 96 #undef DW_AT_DUP 97 #undef DW_OP 98 #undef DW_OP_DUP 99 #undef DW_ATE 100 #undef DW_ATE_DUP 101 #undef DW_CFA 102 103 /* Flag that tells whether entry has a child or not. */ 104 #define DW_children_no 0 105 #define DW_children_yes 1 106 107 #define DW_AT_stride_size DW_AT_bit_stride /* Note: The use of DW_AT_stride_size is deprecated. */ 108 #define DW_AT_stride DW_AT_byte_stride /* Note: The use of DW_AT_stride is deprecated. */ 109 110 /* Decimal sign encodings. */ 111 enum dwarf_decimal_sign_encoding 112 { 113 /* DWARF 3. */ 114 DW_DS_unsigned = 0x01, 115 DW_DS_leading_overpunch = 0x02, 116 DW_DS_trailing_overpunch = 0x03, 117 DW_DS_leading_separate = 0x04, 118 DW_DS_trailing_separate = 0x05 119 }; 120 121 /* Endianity encodings. */ 122 enum dwarf_endianity_encoding 123 { 124 /* DWARF 3. */ 125 DW_END_default = 0x00, 126 DW_END_big = 0x01, 127 DW_END_little = 0x02, 128 129 DW_END_lo_user = 0x40, 130 DW_END_hi_user = 0xff 131 }; 132 133 /* Array ordering names and codes. */ 134 enum dwarf_array_dim_ordering 135 { 136 DW_ORD_row_major = 0, 137 DW_ORD_col_major = 1 138 }; 139 140 /* Access attribute. */ 141 enum dwarf_access_attribute 142 { 143 DW_ACCESS_public = 1, 144 DW_ACCESS_protected = 2, 145 DW_ACCESS_private = 3 146 }; 147 148 /* Visibility. */ 149 enum dwarf_visibility_attribute 150 { 151 DW_VIS_local = 1, 152 DW_VIS_exported = 2, 153 DW_VIS_qualified = 3 154 }; 155 156 /* Virtuality. */ 157 enum dwarf_virtuality_attribute 158 { 159 DW_VIRTUALITY_none = 0, 160 DW_VIRTUALITY_virtual = 1, 161 DW_VIRTUALITY_pure_virtual = 2 162 }; 163 164 /* Case sensitivity. */ 165 enum dwarf_id_case 166 { 167 DW_ID_case_sensitive = 0, 168 DW_ID_up_case = 1, 169 DW_ID_down_case = 2, 170 DW_ID_case_insensitive = 3 171 }; 172 173 /* Calling convention. */ 174 enum dwarf_calling_convention 175 { 176 DW_CC_normal = 0x1, 177 DW_CC_program = 0x2, 178 DW_CC_nocall = 0x3, 179 180 DW_CC_lo_user = 0x40, 181 DW_CC_hi_user = 0xff, 182 183 DW_CC_GNU_renesas_sh = 0x40, 184 DW_CC_GNU_borland_fastcall_i386 = 0x41, 185 186 /* This DW_CC_ value is not currently generated by any toolchain. It is 187 used internally to GDB to indicate OpenCL C functions that have been 188 compiled with the IBM XL C for OpenCL compiler and use a non-platform 189 calling convention for passing OpenCL C vector types. This value may 190 be changed freely as long as it does not conflict with any other DW_CC_ 191 value defined here. */ 192 DW_CC_GDB_IBM_OpenCL = 0xff 193 }; 194 195 /* Inline attribute. */ 196 enum dwarf_inline_attribute 197 { 198 DW_INL_not_inlined = 0, 199 DW_INL_inlined = 1, 200 DW_INL_declared_not_inlined = 2, 201 DW_INL_declared_inlined = 3 202 }; 203 204 /* Discriminant lists. */ 205 enum dwarf_discrim_list 206 { 207 DW_DSC_label = 0, 208 DW_DSC_range = 1 209 }; 210 211 /* Line number opcodes. */ 212 enum dwarf_line_number_ops 213 { 214 DW_LNS_extended_op = 0, 215 DW_LNS_copy = 1, 216 DW_LNS_advance_pc = 2, 217 DW_LNS_advance_line = 3, 218 DW_LNS_set_file = 4, 219 DW_LNS_set_column = 5, 220 DW_LNS_negate_stmt = 6, 221 DW_LNS_set_basic_block = 7, 222 DW_LNS_const_add_pc = 8, 223 DW_LNS_fixed_advance_pc = 9, 224 /* DWARF 3. */ 225 DW_LNS_set_prologue_end = 10, 226 DW_LNS_set_epilogue_begin = 11, 227 DW_LNS_set_isa = 12 228 }; 229 230 /* Line number extended opcodes. */ 231 enum dwarf_line_number_x_ops 232 { 233 DW_LNE_end_sequence = 1, 234 DW_LNE_set_address = 2, 235 DW_LNE_define_file = 3, 236 DW_LNE_set_discriminator = 4, 237 /* HP extensions. */ 238 DW_LNE_HP_negate_is_UV_update = 0x11, 239 DW_LNE_HP_push_context = 0x12, 240 DW_LNE_HP_pop_context = 0x13, 241 DW_LNE_HP_set_file_line_column = 0x14, 242 DW_LNE_HP_set_routine_name = 0x15, 243 DW_LNE_HP_set_sequence = 0x16, 244 DW_LNE_HP_negate_post_semantics = 0x17, 245 DW_LNE_HP_negate_function_exit = 0x18, 246 DW_LNE_HP_negate_front_end_logical = 0x19, 247 DW_LNE_HP_define_proc = 0x20, 248 DW_LNE_HP_source_file_correlation = 0x80, 249 250 DW_LNE_lo_user = 0x80, 251 DW_LNE_hi_user = 0xff 252 }; 253 254 /* Sub-opcodes for DW_LNE_HP_source_file_correlation. */ 255 enum dwarf_line_number_hp_sfc_ops 256 { 257 DW_LNE_HP_SFC_formfeed = 1, 258 DW_LNE_HP_SFC_set_listing_line = 2, 259 DW_LNE_HP_SFC_associate = 3 260 }; 261 262 /* Type codes for location list entries. 263 Extension for Fission. See http://gcc.gnu.org/wiki/DebugFission. */ 264 265 enum dwarf_location_list_entry_type 266 { 267 DW_LLE_GNU_end_of_list_entry = 0, 268 DW_LLE_GNU_base_address_selection_entry = 1, 269 DW_LLE_GNU_start_end_entry = 2, 270 DW_LLE_GNU_start_length_entry = 3 271 }; 272 273 #define DW_CIE_ID 0xffffffff 274 #define DW64_CIE_ID 0xffffffffffffffffULL 275 #define DW_CIE_VERSION 1 276 277 #define DW_CFA_extended 0 278 279 #define DW_CHILDREN_no 0x00 280 #define DW_CHILDREN_yes 0x01 281 282 #define DW_ADDR_none 0 283 284 /* Source language names and codes. */ 285 enum dwarf_source_language 286 { 287 DW_LANG_C89 = 0x0001, 288 DW_LANG_C = 0x0002, 289 DW_LANG_Ada83 = 0x0003, 290 DW_LANG_C_plus_plus = 0x0004, 291 DW_LANG_Cobol74 = 0x0005, 292 DW_LANG_Cobol85 = 0x0006, 293 DW_LANG_Fortran77 = 0x0007, 294 DW_LANG_Fortran90 = 0x0008, 295 DW_LANG_Pascal83 = 0x0009, 296 DW_LANG_Modula2 = 0x000a, 297 /* DWARF 3. */ 298 DW_LANG_Java = 0x000b, 299 DW_LANG_C99 = 0x000c, 300 DW_LANG_Ada95 = 0x000d, 301 DW_LANG_Fortran95 = 0x000e, 302 DW_LANG_PLI = 0x000f, 303 DW_LANG_ObjC = 0x0010, 304 DW_LANG_ObjC_plus_plus = 0x0011, 305 DW_LANG_UPC = 0x0012, 306 DW_LANG_D = 0x0013, 307 /* DWARF 4. */ 308 DW_LANG_Python = 0x0014, 309 /* DWARF 5. */ 310 DW_LANG_Go = 0x0016, 311 312 DW_LANG_lo_user = 0x8000, /* Implementation-defined range start. */ 313 DW_LANG_hi_user = 0xffff, /* Implementation-defined range start. */ 314 315 /* MIPS. */ 316 DW_LANG_Mips_Assembler = 0x8001, 317 /* UPC. */ 318 DW_LANG_Upc = 0x8765, 319 /* HP extensions. */ 320 DW_LANG_HP_Bliss = 0x8003, 321 DW_LANG_HP_Basic91 = 0x8004, 322 DW_LANG_HP_Pascal91 = 0x8005, 323 DW_LANG_HP_IMacro = 0x8006, 324 DW_LANG_HP_Assembler = 0x8007 325 }; 326 327 /* Names and codes for macro information. */ 328 enum dwarf_macinfo_record_type 329 { 330 DW_MACINFO_define = 1, 331 DW_MACINFO_undef = 2, 332 DW_MACINFO_start_file = 3, 333 DW_MACINFO_end_file = 4, 334 DW_MACINFO_vendor_ext = 255 335 }; 336 337 /* Names and codes for new style macro information. */ 338 enum dwarf_macro_record_type 339 { 340 DW_MACRO_GNU_define = 1, 341 DW_MACRO_GNU_undef = 2, 342 DW_MACRO_GNU_start_file = 3, 343 DW_MACRO_GNU_end_file = 4, 344 DW_MACRO_GNU_define_indirect = 5, 345 DW_MACRO_GNU_undef_indirect = 6, 346 DW_MACRO_GNU_transparent_include = 7, 347 /* Extensions for DWZ multifile. 348 See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open . */ 349 DW_MACRO_GNU_define_indirect_alt = 8, 350 DW_MACRO_GNU_undef_indirect_alt = 9, 351 DW_MACRO_GNU_transparent_include_alt = 10, 352 DW_MACRO_GNU_lo_user = 0xe0, 353 DW_MACRO_GNU_hi_user = 0xff 354 }; 355 356 /* @@@ For use with GNU frame unwind information. */ 357 358 #define DW_EH_PE_absptr 0x00 359 #define DW_EH_PE_omit 0xff 360 361 #define DW_EH_PE_uleb128 0x01 362 #define DW_EH_PE_udata2 0x02 363 #define DW_EH_PE_udata4 0x03 364 #define DW_EH_PE_udata8 0x04 365 #define DW_EH_PE_sleb128 0x09 366 #define DW_EH_PE_sdata2 0x0A 367 #define DW_EH_PE_sdata4 0x0B 368 #define DW_EH_PE_sdata8 0x0C 369 #define DW_EH_PE_signed 0x08 370 371 #define DW_EH_PE_pcrel 0x10 372 #define DW_EH_PE_textrel 0x20 373 #define DW_EH_PE_datarel 0x30 374 #define DW_EH_PE_funcrel 0x40 375 #define DW_EH_PE_aligned 0x50 376 377 #define DW_EH_PE_indirect 0x80 378 379 /* Codes for the debug sections in a dwarf package (.dwp) file. 380 Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFissionDWP. */ 381 enum dwarf_sect 382 { 383 DW_SECT_INFO = 1, 384 DW_SECT_TYPES = 2, 385 DW_SECT_ABBREV = 3, 386 DW_SECT_LINE = 4, 387 DW_SECT_LOC = 5, 388 DW_SECT_STR_OFFSETS = 6, 389 DW_SECT_MACINFO = 7, 390 DW_SECT_MACRO = 8, 391 DW_SECT_MAX = 8 392 }; 393 394 #ifdef __cplusplus 395 extern "C" { 396 #endif /* __cplusplus */ 397 398 /* Return the name of a DW_TAG_ constant, or NULL if the value is not 399 recognized. */ 400 extern const char *get_DW_TAG_name (unsigned int tag); 401 402 /* Return the name of a DW_AT_ constant, or NULL if the value is not 403 recognized. */ 404 extern const char *get_DW_AT_name (unsigned int attr); 405 406 /* Return the name of a DW_FORM_ constant, or NULL if the value is not 407 recognized. */ 408 extern const char *get_DW_FORM_name (unsigned int form); 409 410 /* Return the name of a DW_OP_ constant, or NULL if the value is not 411 recognized. */ 412 extern const char *get_DW_OP_name (unsigned int op); 413 414 /* Return the name of a DW_ATE_ constant, or NULL if the value is not 415 recognized. */ 416 extern const char *get_DW_ATE_name (unsigned int enc); 417 418 /* Return the name of a DW_CFA_ constant, or NULL if the value is not 419 recognized. */ 420 extern const char *get_DW_CFA_name (unsigned int opc); 421 422 #ifdef __cplusplus 423 } 424 #endif /* __cplusplus */ 425 426 #endif /* _DWARF2_H */ 427