| 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 | \f |
| 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 */ |