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 #define DW_CIE_ID 0xffffffff 263 #define DW64_CIE_ID 0xffffffffffffffffULL 264 #define DW_CIE_VERSION 1 265 266 #define DW_CFA_extended 0 267 268 #define DW_CHILDREN_no 0x00 269 #define DW_CHILDREN_yes 0x01 270 271 #define DW_ADDR_none 0 272 273 /* Source language names and codes. */ 274 enum dwarf_source_language 275 { 276 DW_LANG_C89 = 0x0001, 277 DW_LANG_C = 0x0002, 278 DW_LANG_Ada83 = 0x0003, 279 DW_LANG_C_plus_plus = 0x0004, 280 DW_LANG_Cobol74 = 0x0005, 281 DW_LANG_Cobol85 = 0x0006, 282 DW_LANG_Fortran77 = 0x0007, 283 DW_LANG_Fortran90 = 0x0008, 284 DW_LANG_Pascal83 = 0x0009, 285 DW_LANG_Modula2 = 0x000a, 286 /* DWARF 3. */ 287 DW_LANG_Java = 0x000b, 288 DW_LANG_C99 = 0x000c, 289 DW_LANG_Ada95 = 0x000d, 290 DW_LANG_Fortran95 = 0x000e, 291 DW_LANG_PLI = 0x000f, 292 DW_LANG_ObjC = 0x0010, 293 DW_LANG_ObjC_plus_plus = 0x0011, 294 DW_LANG_UPC = 0x0012, 295 DW_LANG_D = 0x0013, 296 /* DWARF 4. */ 297 DW_LANG_Python = 0x0014, 298 /* DWARF 5. */ 299 DW_LANG_Go = 0x0016, 300 301 DW_LANG_lo_user = 0x8000, /* Implementation-defined range start. */ 302 DW_LANG_hi_user = 0xffff, /* Implementation-defined range start. */ 303 304 /* MIPS. */ 305 DW_LANG_Mips_Assembler = 0x8001, 306 /* UPC. */ 307 DW_LANG_Upc = 0x8765, 308 /* HP extensions. */ 309 DW_LANG_HP_Bliss = 0x8003, 310 DW_LANG_HP_Basic91 = 0x8004, 311 DW_LANG_HP_Pascal91 = 0x8005, 312 DW_LANG_HP_IMacro = 0x8006, 313 DW_LANG_HP_Assembler = 0x8007 314 }; 315 316 /* Names and codes for macro information. */ 317 enum dwarf_macinfo_record_type 318 { 319 DW_MACINFO_define = 1, 320 DW_MACINFO_undef = 2, 321 DW_MACINFO_start_file = 3, 322 DW_MACINFO_end_file = 4, 323 DW_MACINFO_vendor_ext = 255 324 }; 325 326 /* Names and codes for new style macro information. */ 327 enum dwarf_macro_record_type 328 { 329 DW_MACRO_GNU_define = 1, 330 DW_MACRO_GNU_undef = 2, 331 DW_MACRO_GNU_start_file = 3, 332 DW_MACRO_GNU_end_file = 4, 333 DW_MACRO_GNU_define_indirect = 5, 334 DW_MACRO_GNU_undef_indirect = 6, 335 DW_MACRO_GNU_transparent_include = 7, 336 /* Extensions for DWZ multifile. 337 See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open . */ 338 DW_MACRO_GNU_define_indirect_alt = 8, 339 DW_MACRO_GNU_undef_indirect_alt = 9, 340 DW_MACRO_GNU_transparent_include_alt = 10, 341 DW_MACRO_GNU_lo_user = 0xe0, 342 DW_MACRO_GNU_hi_user = 0xff 343 }; 344 345 /* @@@ For use with GNU frame unwind information. */ 346 347 #define DW_EH_PE_absptr 0x00 348 #define DW_EH_PE_omit 0xff 349 350 #define DW_EH_PE_uleb128 0x01 351 #define DW_EH_PE_udata2 0x02 352 #define DW_EH_PE_udata4 0x03 353 #define DW_EH_PE_udata8 0x04 354 #define DW_EH_PE_sleb128 0x09 355 #define DW_EH_PE_sdata2 0x0A 356 #define DW_EH_PE_sdata4 0x0B 357 #define DW_EH_PE_sdata8 0x0C 358 #define DW_EH_PE_signed 0x08 359 360 #define DW_EH_PE_pcrel 0x10 361 #define DW_EH_PE_textrel 0x20 362 #define DW_EH_PE_datarel 0x30 363 #define DW_EH_PE_funcrel 0x40 364 #define DW_EH_PE_aligned 0x50 365 366 #define DW_EH_PE_indirect 0x80 367 368 369 #ifdef __cplusplus 370 extern "C" { 371 #endif /* __cplusplus */ 372 373 /* Return the name of a DW_TAG_ constant, or NULL if the value is not 374 recognized. */ 375 extern const char *get_DW_TAG_name (unsigned int tag); 376 377 /* Return the name of a DW_AT_ constant, or NULL if the value is not 378 recognized. */ 379 extern const char *get_DW_AT_name (unsigned int attr); 380 381 /* Return the name of a DW_FORM_ constant, or NULL if the value is not 382 recognized. */ 383 extern const char *get_DW_FORM_name (unsigned int form); 384 385 /* Return the name of a DW_OP_ constant, or NULL if the value is not 386 recognized. */ 387 extern const char *get_DW_OP_name (unsigned int op); 388 389 /* Return the name of a DW_ATE_ constant, or NULL if the value is not 390 recognized. */ 391 extern const char *get_DW_ATE_name (unsigned int enc); 392 393 /* Return the name of a DW_CFA_ constant, or NULL if the value is not 394 recognized. */ 395 extern const char *get_DW_CFA_name (unsigned int opc); 396 397 #ifdef __cplusplus 398 } 399 #endif /* __cplusplus */ 400 401 #endif /* _DWARF2_H */ 402