1 // -*- mode: c++ -*- 2 3 // Copyright (c) 2010 Google Inc. All Rights Reserved. 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 #ifndef COMMON_DWARF_DWARF2ENUMS_H__ 32 #define COMMON_DWARF_DWARF2ENUMS_H__ 33 34 namespace dwarf2reader { 35 36 // These enums do not follow the google3 style only because they are 37 // known universally (specs, other implementations) by the names in 38 // exactly this capitalization. 39 // Tag names and codes. 40 enum DwarfTag { 41 DW_TAG_padding = 0x00, 42 DW_TAG_array_type = 0x01, 43 DW_TAG_class_type = 0x02, 44 DW_TAG_entry_point = 0x03, 45 DW_TAG_enumeration_type = 0x04, 46 DW_TAG_formal_parameter = 0x05, 47 DW_TAG_imported_declaration = 0x08, 48 DW_TAG_label = 0x0a, 49 DW_TAG_lexical_block = 0x0b, 50 DW_TAG_member = 0x0d, 51 DW_TAG_pointer_type = 0x0f, 52 DW_TAG_reference_type = 0x10, 53 DW_TAG_compile_unit = 0x11, 54 DW_TAG_string_type = 0x12, 55 DW_TAG_structure_type = 0x13, 56 DW_TAG_subroutine_type = 0x15, 57 DW_TAG_typedef = 0x16, 58 DW_TAG_union_type = 0x17, 59 DW_TAG_unspecified_parameters = 0x18, 60 DW_TAG_variant = 0x19, 61 DW_TAG_common_block = 0x1a, 62 DW_TAG_common_inclusion = 0x1b, 63 DW_TAG_inheritance = 0x1c, 64 DW_TAG_inlined_subroutine = 0x1d, 65 DW_TAG_module = 0x1e, 66 DW_TAG_ptr_to_member_type = 0x1f, 67 DW_TAG_set_type = 0x20, 68 DW_TAG_subrange_type = 0x21, 69 DW_TAG_with_stmt = 0x22, 70 DW_TAG_access_declaration = 0x23, 71 DW_TAG_base_type = 0x24, 72 DW_TAG_catch_block = 0x25, 73 DW_TAG_const_type = 0x26, 74 DW_TAG_constant = 0x27, 75 DW_TAG_enumerator = 0x28, 76 DW_TAG_file_type = 0x29, 77 DW_TAG_friend = 0x2a, 78 DW_TAG_namelist = 0x2b, 79 DW_TAG_namelist_item = 0x2c, 80 DW_TAG_packed_type = 0x2d, 81 DW_TAG_subprogram = 0x2e, 82 DW_TAG_template_type_param = 0x2f, 83 DW_TAG_template_value_param = 0x30, 84 DW_TAG_thrown_type = 0x31, 85 DW_TAG_try_block = 0x32, 86 DW_TAG_variant_part = 0x33, 87 DW_TAG_variable = 0x34, 88 DW_TAG_volatile_type = 0x35, 89 // DWARF 3. 90 DW_TAG_dwarf_procedure = 0x36, 91 DW_TAG_restrict_type = 0x37, 92 DW_TAG_interface_type = 0x38, 93 DW_TAG_namespace = 0x39, 94 DW_TAG_imported_module = 0x3a, 95 DW_TAG_unspecified_type = 0x3b, 96 DW_TAG_partial_unit = 0x3c, 97 DW_TAG_imported_unit = 0x3d, 98 // SGI/MIPS Extensions. 99 DW_TAG_MIPS_loop = 0x4081, 100 // HP extensions. See: 101 // ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz 102 DW_TAG_HP_array_descriptor = 0x4090, 103 // GNU extensions. 104 DW_TAG_format_label = 0x4101, // For FORTRAN 77 and Fortran 90. 105 DW_TAG_function_template = 0x4102, // For C++. 106 DW_TAG_class_template = 0x4103, // For C++. 107 DW_TAG_GNU_BINCL = 0x4104, 108 DW_TAG_GNU_EINCL = 0x4105, 109 // Extensions for UPC. See: http://upc.gwu.edu/~upc. 110 DW_TAG_upc_shared_type = 0x8765, 111 DW_TAG_upc_strict_type = 0x8766, 112 DW_TAG_upc_relaxed_type = 0x8767, 113 // PGI (STMicroelectronics) extensions. No documentation available. 114 DW_TAG_PGI_kanji_type = 0xA000, 115 DW_TAG_PGI_interface_block = 0xA020 116 }; 117 118 119 enum DwarfHasChild { 120 DW_children_no = 0, 121 DW_children_yes = 1 122 }; 123 124 // Form names and codes. 125 enum DwarfForm { 126 DW_FORM_addr = 0x01, 127 DW_FORM_block2 = 0x03, 128 DW_FORM_block4 = 0x04, 129 DW_FORM_data2 = 0x05, 130 DW_FORM_data4 = 0x06, 131 DW_FORM_data8 = 0x07, 132 DW_FORM_string = 0x08, 133 DW_FORM_block = 0x09, 134 DW_FORM_block1 = 0x0a, 135 DW_FORM_data1 = 0x0b, 136 DW_FORM_flag = 0x0c, 137 DW_FORM_sdata = 0x0d, 138 DW_FORM_strp = 0x0e, 139 DW_FORM_udata = 0x0f, 140 DW_FORM_ref_addr = 0x10, 141 DW_FORM_ref1 = 0x11, 142 DW_FORM_ref2 = 0x12, 143 DW_FORM_ref4 = 0x13, 144 DW_FORM_ref8 = 0x14, 145 DW_FORM_ref_udata = 0x15, 146 DW_FORM_indirect = 0x16 147 }; 148 149 // Attribute names and codes 150 enum DwarfAttribute { 151 DW_AT_sibling = 0x01, 152 DW_AT_location = 0x02, 153 DW_AT_name = 0x03, 154 DW_AT_ordering = 0x09, 155 DW_AT_subscr_data = 0x0a, 156 DW_AT_byte_size = 0x0b, 157 DW_AT_bit_offset = 0x0c, 158 DW_AT_bit_size = 0x0d, 159 DW_AT_element_list = 0x0f, 160 DW_AT_stmt_list = 0x10, 161 DW_AT_low_pc = 0x11, 162 DW_AT_high_pc = 0x12, 163 DW_AT_language = 0x13, 164 DW_AT_member = 0x14, 165 DW_AT_discr = 0x15, 166 DW_AT_discr_value = 0x16, 167 DW_AT_visibility = 0x17, 168 DW_AT_import = 0x18, 169 DW_AT_string_length = 0x19, 170 DW_AT_common_reference = 0x1a, 171 DW_AT_comp_dir = 0x1b, 172 DW_AT_const_value = 0x1c, 173 DW_AT_containing_type = 0x1d, 174 DW_AT_default_value = 0x1e, 175 DW_AT_inline = 0x20, 176 DW_AT_is_optional = 0x21, 177 DW_AT_lower_bound = 0x22, 178 DW_AT_producer = 0x25, 179 DW_AT_prototyped = 0x27, 180 DW_AT_return_addr = 0x2a, 181 DW_AT_start_scope = 0x2c, 182 DW_AT_stride_size = 0x2e, 183 DW_AT_upper_bound = 0x2f, 184 DW_AT_abstract_origin = 0x31, 185 DW_AT_accessibility = 0x32, 186 DW_AT_address_class = 0x33, 187 DW_AT_artificial = 0x34, 188 DW_AT_base_types = 0x35, 189 DW_AT_calling_convention = 0x36, 190 DW_AT_count = 0x37, 191 DW_AT_data_member_location = 0x38, 192 DW_AT_decl_column = 0x39, 193 DW_AT_decl_file = 0x3a, 194 DW_AT_decl_line = 0x3b, 195 DW_AT_declaration = 0x3c, 196 DW_AT_discr_list = 0x3d, 197 DW_AT_encoding = 0x3e, 198 DW_AT_external = 0x3f, 199 DW_AT_frame_base = 0x40, 200 DW_AT_friend = 0x41, 201 DW_AT_identifier_case = 0x42, 202 DW_AT_macro_info = 0x43, 203 DW_AT_namelist_items = 0x44, 204 DW_AT_priority = 0x45, 205 DW_AT_segment = 0x46, 206 DW_AT_specification = 0x47, 207 DW_AT_static_link = 0x48, 208 DW_AT_type = 0x49, 209 DW_AT_use_location = 0x4a, 210 DW_AT_variable_parameter = 0x4b, 211 DW_AT_virtuality = 0x4c, 212 DW_AT_vtable_elem_location = 0x4d, 213 // DWARF 3 values. 214 DW_AT_allocated = 0x4e, 215 DW_AT_associated = 0x4f, 216 DW_AT_data_location = 0x50, 217 DW_AT_stride = 0x51, 218 DW_AT_entry_pc = 0x52, 219 DW_AT_use_UTF8 = 0x53, 220 DW_AT_extension = 0x54, 221 DW_AT_ranges = 0x55, 222 DW_AT_trampoline = 0x56, 223 DW_AT_call_column = 0x57, 224 DW_AT_call_file = 0x58, 225 DW_AT_call_line = 0x59, 226 // SGI/MIPS extensions. 227 DW_AT_MIPS_fde = 0x2001, 228 DW_AT_MIPS_loop_begin = 0x2002, 229 DW_AT_MIPS_tail_loop_begin = 0x2003, 230 DW_AT_MIPS_epilog_begin = 0x2004, 231 DW_AT_MIPS_loop_unroll_factor = 0x2005, 232 DW_AT_MIPS_software_pipeline_depth = 0x2006, 233 DW_AT_MIPS_linkage_name = 0x2007, 234 DW_AT_MIPS_stride = 0x2008, 235 DW_AT_MIPS_abstract_name = 0x2009, 236 DW_AT_MIPS_clone_origin = 0x200a, 237 DW_AT_MIPS_has_inlines = 0x200b, 238 // HP extensions. 239 DW_AT_HP_block_index = 0x2000, 240 DW_AT_HP_unmodifiable = 0x2001, // Same as DW_AT_MIPS_fde. 241 DW_AT_HP_actuals_stmt_list = 0x2010, 242 DW_AT_HP_proc_per_section = 0x2011, 243 DW_AT_HP_raw_data_ptr = 0x2012, 244 DW_AT_HP_pass_by_reference = 0x2013, 245 DW_AT_HP_opt_level = 0x2014, 246 DW_AT_HP_prof_version_id = 0x2015, 247 DW_AT_HP_opt_flags = 0x2016, 248 DW_AT_HP_cold_region_low_pc = 0x2017, 249 DW_AT_HP_cold_region_high_pc = 0x2018, 250 DW_AT_HP_all_variables_modifiable = 0x2019, 251 DW_AT_HP_linkage_name = 0x201a, 252 DW_AT_HP_prof_flags = 0x201b, // In comp unit of procs_info for -g. 253 // GNU extensions. 254 DW_AT_sf_names = 0x2101, 255 DW_AT_src_info = 0x2102, 256 DW_AT_mac_info = 0x2103, 257 DW_AT_src_coords = 0x2104, 258 DW_AT_body_begin = 0x2105, 259 DW_AT_body_end = 0x2106, 260 DW_AT_GNU_vector = 0x2107, 261 // VMS extensions. 262 DW_AT_VMS_rtnbeg_pd_address = 0x2201, 263 // UPC extension. 264 DW_AT_upc_threads_scaled = 0x3210, 265 // PGI (STMicroelectronics) extensions. 266 DW_AT_PGI_lbase = 0x3a00, 267 DW_AT_PGI_soffset = 0x3a01, 268 DW_AT_PGI_lstride = 0x3a02 269 }; 270 271 272 // Line number opcodes. 273 enum DwarfLineNumberOps { 274 DW_LNS_extended_op = 0, 275 DW_LNS_copy = 1, 276 DW_LNS_advance_pc = 2, 277 DW_LNS_advance_line = 3, 278 DW_LNS_set_file = 4, 279 DW_LNS_set_column = 5, 280 DW_LNS_negate_stmt = 6, 281 DW_LNS_set_basic_block = 7, 282 DW_LNS_const_add_pc = 8, 283 DW_LNS_fixed_advance_pc = 9, 284 // DWARF 3. 285 DW_LNS_set_prologue_end = 10, 286 DW_LNS_set_epilogue_begin = 11, 287 DW_LNS_set_isa = 12 288 }; 289 290 // Line number extended opcodes. 291 enum DwarfLineNumberExtendedOps { 292 DW_LNE_end_sequence = 1, 293 DW_LNE_set_address = 2, 294 DW_LNE_define_file = 3, 295 // HP extensions. 296 DW_LNE_HP_negate_is_UV_update = 0x11, 297 DW_LNE_HP_push_context = 0x12, 298 DW_LNE_HP_pop_context = 0x13, 299 DW_LNE_HP_set_file_line_column = 0x14, 300 DW_LNE_HP_set_routine_name = 0x15, 301 DW_LNE_HP_set_sequence = 0x16, 302 DW_LNE_HP_negate_post_semantics = 0x17, 303 DW_LNE_HP_negate_function_exit = 0x18, 304 DW_LNE_HP_negate_front_end_logical = 0x19, 305 DW_LNE_HP_define_proc = 0x20 306 }; 307 308 // Type encoding names and codes 309 enum DwarfEncoding { 310 DW_ATE_address =0x1, 311 DW_ATE_boolean =0x2, 312 DW_ATE_complex_float =0x3, 313 DW_ATE_float =0x4, 314 DW_ATE_signed =0x5, 315 DW_ATE_signed_char =0x6, 316 DW_ATE_unsigned =0x7, 317 DW_ATE_unsigned_char =0x8, 318 // DWARF3/DWARF3f 319 DW_ATE_imaginary_float =0x9, 320 DW_ATE_packed_decimal =0xa, 321 DW_ATE_numeric_string =0xb, 322 DW_ATE_edited =0xc, 323 DW_ATE_signed_fixed =0xd, 324 DW_ATE_unsigned_fixed =0xe, 325 DW_ATE_decimal_float =0xf, 326 DW_ATE_lo_user =0x80, 327 DW_ATE_hi_user =0xff 328 }; 329 330 // Location virtual machine opcodes 331 enum DwarfOpcode { 332 DW_OP_addr =0x03, 333 DW_OP_deref =0x06, 334 DW_OP_const1u =0x08, 335 DW_OP_const1s =0x09, 336 DW_OP_const2u =0x0a, 337 DW_OP_const2s =0x0b, 338 DW_OP_const4u =0x0c, 339 DW_OP_const4s =0x0d, 340 DW_OP_const8u =0x0e, 341 DW_OP_const8s =0x0f, 342 DW_OP_constu =0x10, 343 DW_OP_consts =0x11, 344 DW_OP_dup =0x12, 345 DW_OP_drop =0x13, 346 DW_OP_over =0x14, 347 DW_OP_pick =0x15, 348 DW_OP_swap =0x16, 349 DW_OP_rot =0x17, 350 DW_OP_xderef =0x18, 351 DW_OP_abs =0x19, 352 DW_OP_and =0x1a, 353 DW_OP_div =0x1b, 354 DW_OP_minus =0x1c, 355 DW_OP_mod =0x1d, 356 DW_OP_mul =0x1e, 357 DW_OP_neg =0x1f, 358 DW_OP_not =0x20, 359 DW_OP_or =0x21, 360 DW_OP_plus =0x22, 361 DW_OP_plus_uconst =0x23, 362 DW_OP_shl =0x24, 363 DW_OP_shr =0x25, 364 DW_OP_shra =0x26, 365 DW_OP_xor =0x27, 366 DW_OP_bra =0x28, 367 DW_OP_eq =0x29, 368 DW_OP_ge =0x2a, 369 DW_OP_gt =0x2b, 370 DW_OP_le =0x2c, 371 DW_OP_lt =0x2d, 372 DW_OP_ne =0x2e, 373 DW_OP_skip =0x2f, 374 DW_OP_lit0 =0x30, 375 DW_OP_lit1 =0x31, 376 DW_OP_lit2 =0x32, 377 DW_OP_lit3 =0x33, 378 DW_OP_lit4 =0x34, 379 DW_OP_lit5 =0x35, 380 DW_OP_lit6 =0x36, 381 DW_OP_lit7 =0x37, 382 DW_OP_lit8 =0x38, 383 DW_OP_lit9 =0x39, 384 DW_OP_lit10 =0x3a, 385 DW_OP_lit11 =0x3b, 386 DW_OP_lit12 =0x3c, 387 DW_OP_lit13 =0x3d, 388 DW_OP_lit14 =0x3e, 389 DW_OP_lit15 =0x3f, 390 DW_OP_lit16 =0x40, 391 DW_OP_lit17 =0x41, 392 DW_OP_lit18 =0x42, 393 DW_OP_lit19 =0x43, 394 DW_OP_lit20 =0x44, 395 DW_OP_lit21 =0x45, 396 DW_OP_lit22 =0x46, 397 DW_OP_lit23 =0x47, 398 DW_OP_lit24 =0x48, 399 DW_OP_lit25 =0x49, 400 DW_OP_lit26 =0x4a, 401 DW_OP_lit27 =0x4b, 402 DW_OP_lit28 =0x4c, 403 DW_OP_lit29 =0x4d, 404 DW_OP_lit30 =0x4e, 405 DW_OP_lit31 =0x4f, 406 DW_OP_reg0 =0x50, 407 DW_OP_reg1 =0x51, 408 DW_OP_reg2 =0x52, 409 DW_OP_reg3 =0x53, 410 DW_OP_reg4 =0x54, 411 DW_OP_reg5 =0x55, 412 DW_OP_reg6 =0x56, 413 DW_OP_reg7 =0x57, 414 DW_OP_reg8 =0x58, 415 DW_OP_reg9 =0x59, 416 DW_OP_reg10 =0x5a, 417 DW_OP_reg11 =0x5b, 418 DW_OP_reg12 =0x5c, 419 DW_OP_reg13 =0x5d, 420 DW_OP_reg14 =0x5e, 421 DW_OP_reg15 =0x5f, 422 DW_OP_reg16 =0x60, 423 DW_OP_reg17 =0x61, 424 DW_OP_reg18 =0x62, 425 DW_OP_reg19 =0x63, 426 DW_OP_reg20 =0x64, 427 DW_OP_reg21 =0x65, 428 DW_OP_reg22 =0x66, 429 DW_OP_reg23 =0x67, 430 DW_OP_reg24 =0x68, 431 DW_OP_reg25 =0x69, 432 DW_OP_reg26 =0x6a, 433 DW_OP_reg27 =0x6b, 434 DW_OP_reg28 =0x6c, 435 DW_OP_reg29 =0x6d, 436 DW_OP_reg30 =0x6e, 437 DW_OP_reg31 =0x6f, 438 DW_OP_breg0 =0x70, 439 DW_OP_breg1 =0x71, 440 DW_OP_breg2 =0x72, 441 DW_OP_breg3 =0x73, 442 DW_OP_breg4 =0x74, 443 DW_OP_breg5 =0x75, 444 DW_OP_breg6 =0x76, 445 DW_OP_breg7 =0x77, 446 DW_OP_breg8 =0x78, 447 DW_OP_breg9 =0x79, 448 DW_OP_breg10 =0x7a, 449 DW_OP_breg11 =0x7b, 450 DW_OP_breg12 =0x7c, 451 DW_OP_breg13 =0x7d, 452 DW_OP_breg14 =0x7e, 453 DW_OP_breg15 =0x7f, 454 DW_OP_breg16 =0x80, 455 DW_OP_breg17 =0x81, 456 DW_OP_breg18 =0x82, 457 DW_OP_breg19 =0x83, 458 DW_OP_breg20 =0x84, 459 DW_OP_breg21 =0x85, 460 DW_OP_breg22 =0x86, 461 DW_OP_breg23 =0x87, 462 DW_OP_breg24 =0x88, 463 DW_OP_breg25 =0x89, 464 DW_OP_breg26 =0x8a, 465 DW_OP_breg27 =0x8b, 466 DW_OP_breg28 =0x8c, 467 DW_OP_breg29 =0x8d, 468 DW_OP_breg30 =0x8e, 469 DW_OP_breg31 =0x8f, 470 DW_OP_regX =0x90, 471 DW_OP_fbreg =0x91, 472 DW_OP_bregX =0x92, 473 DW_OP_piece =0x93, 474 DW_OP_deref_size =0x94, 475 DW_OP_xderef_size =0x95, 476 DW_OP_nop =0x96, 477 // DWARF3/DWARF3f 478 DW_OP_push_object_address =0x97, 479 DW_OP_call2 =0x98, 480 DW_OP_call4 =0x99, 481 DW_OP_call_ref =0x9a, 482 DW_OP_form_tls_address =0x9b, 483 DW_OP_call_frame_cfa =0x9c, 484 DW_OP_bit_piece =0x9d, 485 DW_OP_lo_user =0xe0, 486 DW_OP_hi_user =0xff, 487 // GNU extensions 488 DW_OP_GNU_push_tls_address =0xe0 489 }; 490 491 // Source languages. These are values for DW_AT_language. 492 enum DwarfLanguage 493 { 494 DW_LANG_none =0x0000, 495 DW_LANG_C89 =0x0001, 496 DW_LANG_C =0x0002, 497 DW_LANG_Ada83 =0x0003, 498 DW_LANG_C_plus_plus =0x0004, 499 DW_LANG_Cobol74 =0x0005, 500 DW_LANG_Cobol85 =0x0006, 501 DW_LANG_Fortran77 =0x0007, 502 DW_LANG_Fortran90 =0x0008, 503 DW_LANG_Pascal83 =0x0009, 504 DW_LANG_Modula2 =0x000a, 505 DW_LANG_Java =0x000b, 506 DW_LANG_C99 =0x000c, 507 DW_LANG_Ada95 =0x000d, 508 DW_LANG_Fortran95 =0x000e, 509 DW_LANG_PLI =0x000f, 510 DW_LANG_ObjC =0x0010, 511 DW_LANG_ObjC_plus_plus =0x0011, 512 DW_LANG_UPC =0x0012, 513 DW_LANG_D =0x0013, 514 // Implementation-defined language code range. 515 DW_LANG_lo_user = 0x8000, 516 DW_LANG_hi_user = 0xffff, 517 518 // Extensions. 519 520 // MIPS assembly language. The GNU toolchain uses this for all 521 // assembly languages, since there's no generic DW_LANG_ value for that. 522 // See include/dwarf2.h in the binutils, gdb, or gcc source trees. 523 DW_LANG_Mips_Assembler =0x8001, 524 DW_LANG_Upc =0x8765 // Unified Parallel C 525 }; 526 527 // Inline codes. These are values for DW_AT_inline. 528 enum DwarfInline { 529 DW_INL_not_inlined =0x0, 530 DW_INL_inlined =0x1, 531 DW_INL_declared_not_inlined =0x2, 532 DW_INL_declared_inlined =0x3 533 }; 534 535 // Call Frame Info instructions. 536 enum DwarfCFI 537 { 538 DW_CFA_advance_loc = 0x40, 539 DW_CFA_offset = 0x80, 540 DW_CFA_restore = 0xc0, 541 DW_CFA_nop = 0x00, 542 DW_CFA_set_loc = 0x01, 543 DW_CFA_advance_loc1 = 0x02, 544 DW_CFA_advance_loc2 = 0x03, 545 DW_CFA_advance_loc4 = 0x04, 546 DW_CFA_offset_extended = 0x05, 547 DW_CFA_restore_extended = 0x06, 548 DW_CFA_undefined = 0x07, 549 DW_CFA_same_value = 0x08, 550 DW_CFA_register = 0x09, 551 DW_CFA_remember_state = 0x0a, 552 DW_CFA_restore_state = 0x0b, 553 DW_CFA_def_cfa = 0x0c, 554 DW_CFA_def_cfa_register = 0x0d, 555 DW_CFA_def_cfa_offset = 0x0e, 556 DW_CFA_def_cfa_expression = 0x0f, 557 DW_CFA_expression = 0x10, 558 DW_CFA_offset_extended_sf = 0x11, 559 DW_CFA_def_cfa_sf = 0x12, 560 DW_CFA_def_cfa_offset_sf = 0x13, 561 DW_CFA_val_offset = 0x14, 562 DW_CFA_val_offset_sf = 0x15, 563 DW_CFA_val_expression = 0x16, 564 565 // Opcodes in this range are reserved for user extensions. 566 DW_CFA_lo_user = 0x1c, 567 DW_CFA_hi_user = 0x3f, 568 569 // SGI/MIPS specific. 570 DW_CFA_MIPS_advance_loc8 = 0x1d, 571 572 // GNU extensions. 573 DW_CFA_GNU_window_save = 0x2d, 574 DW_CFA_GNU_args_size = 0x2e, 575 DW_CFA_GNU_negative_offset_extended = 0x2f 576 }; 577 578 // Exception handling 'z' augmentation letters. 579 enum DwarfZAugmentationCodes { 580 // If the CFI augmentation string begins with 'z', then the CIE and FDE 581 // have an augmentation data area just before the instructions, whose 582 // contents are determined by the subsequent augmentation letters. 583 DW_Z_augmentation_start = 'z', 584 585 // If this letter is present in a 'z' augmentation string, the CIE 586 // augmentation data includes a pointer encoding, and the FDE 587 // augmentation data includes a language-specific data area pointer, 588 // represented using that encoding. 589 DW_Z_has_LSDA = 'L', 590 591 // If this letter is present in a 'z' augmentation string, the CIE 592 // augmentation data includes a pointer encoding, followed by a pointer 593 // to a personality routine, represented using that encoding. 594 DW_Z_has_personality_routine = 'P', 595 596 // If this letter is present in a 'z' augmentation string, the CIE 597 // augmentation data includes a pointer encoding describing how the FDE's 598 // initial location, address range, and DW_CFA_set_loc operands are 599 // encoded. 600 DW_Z_has_FDE_address_encoding = 'R', 601 602 // If this letter is present in a 'z' augmentation string, then code 603 // addresses covered by FDEs that cite this CIE are signal delivery 604 // trampolines. Return addresses of frames in trampolines should not be 605 // adjusted as described in section 6.4.4 of the DWARF 3 spec. 606 DW_Z_is_signal_trampoline = 'S' 607 }; 608 609 // Exception handling frame description pointer formats, as described 610 // by the Linux Standard Base Core Specification 4.0, section 11.5, 611 // DWARF Extensions. 612 enum DwarfPointerEncoding 613 { 614 DW_EH_PE_absptr = 0x00, 615 DW_EH_PE_omit = 0xff, 616 DW_EH_PE_uleb128 = 0x01, 617 DW_EH_PE_udata2 = 0x02, 618 DW_EH_PE_udata4 = 0x03, 619 DW_EH_PE_udata8 = 0x04, 620 DW_EH_PE_sleb128 = 0x09, 621 DW_EH_PE_sdata2 = 0x0A, 622 DW_EH_PE_sdata4 = 0x0B, 623 DW_EH_PE_sdata8 = 0x0C, 624 DW_EH_PE_pcrel = 0x10, 625 DW_EH_PE_textrel = 0x20, 626 DW_EH_PE_datarel = 0x30, 627 DW_EH_PE_funcrel = 0x40, 628 DW_EH_PE_aligned = 0x50, 629 630 // The GNU toolchain sources define this enum value as well, 631 // simply to help classify the lower nybble values into signed and 632 // unsigned groups. 633 DW_EH_PE_signed = 0x08, 634 635 // This is not documented in LSB 4.0, but it is used in both the 636 // Linux and OS X toolchains. It can be added to any other 637 // encoding (except DW_EH_PE_aligned), and indicates that the 638 // encoded value represents the address at which the true address 639 // is stored, not the true address itself. 640 DW_EH_PE_indirect = 0x80 641 }; 642 643 } // namespace dwarf2reader 644 #endif // COMMON_DWARF_DWARF2ENUMS_H__ 645