1 /* Declarations and definitions of codes relating to the DWARF symbolic 2 debugging information format. 3 4 Written by Ron Guilmette (rfg@netcom.com) 5 6 Copyright (C) 1992-2016 Free Software Foundation, Inc. 7 8 This file is part of both GCC and the BFD library. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with GCC; see the file COPYING3. If not, write to the Free 22 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 23 02110-1301, USA. */ 24 25 /* This file is derived from the DWARF specification (a public document) 26 Revision 1.0.1 (April 8, 1992) developed by the UNIX International 27 Programming Languages Special Interest Group (UI/PLSIG) and distributed 28 by UNIX International. Copies of this specification are available from 29 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. */ 30 31 #ifndef _ELF_DWARF_H 32 #define _ELF_DWARF_H 33 34 /* Tag names and codes. */ 35 36 enum dwarf_tag { 37 TAG_padding = 0x0000, 38 TAG_array_type = 0x0001, 39 TAG_class_type = 0x0002, 40 TAG_entry_point = 0x0003, 41 TAG_enumeration_type = 0x0004, 42 TAG_formal_parameter = 0x0005, 43 TAG_global_subroutine = 0x0006, 44 TAG_global_variable = 0x0007, 45 /* 0x0008 -- reserved */ 46 /* 0x0009 -- reserved */ 47 TAG_label = 0x000a, 48 TAG_lexical_block = 0x000b, 49 TAG_local_variable = 0x000c, 50 TAG_member = 0x000d, 51 /* 0x000e -- reserved */ 52 TAG_pointer_type = 0x000f, 53 TAG_reference_type = 0x0010, 54 TAG_compile_unit = 0x0011, 55 TAG_string_type = 0x0012, 56 TAG_structure_type = 0x0013, 57 TAG_subroutine = 0x0014, 58 TAG_subroutine_type = 0x0015, 59 TAG_typedef = 0x0016, 60 TAG_union_type = 0x0017, 61 TAG_unspecified_parameters = 0x0018, 62 TAG_variant = 0x0019, 63 TAG_common_block = 0x001a, 64 TAG_common_inclusion = 0x001b, 65 TAG_inheritance = 0x001c, 66 TAG_inlined_subroutine = 0x001d, 67 TAG_module = 0x001e, 68 TAG_ptr_to_member_type = 0x001f, 69 TAG_set_type = 0x0020, 70 TAG_subrange_type = 0x0021, 71 TAG_with_stmt = 0x0022, 72 73 /* GNU extensions */ 74 75 TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */ 76 TAG_namelist = 0x8001, /* For Fortran 90 */ 77 TAG_function_template = 0x8002, /* for C++ */ 78 TAG_class_template = 0x8003 /* for C++ */ 79 }; 80 81 #define TAG_lo_user 0x8000 /* implementation-defined range start */ 82 #define TAG_hi_user 0xffff /* implementation-defined range end */ 83 #define TAG_source_file TAG_compile_unit /* for backward compatibility */ 84 85 /* Form names and codes. */ 86 87 enum dwarf_form { 88 FORM_ADDR = 0x1, 89 FORM_REF = 0x2, 90 FORM_BLOCK2 = 0x3, 91 FORM_BLOCK4 = 0x4, 92 FORM_DATA2 = 0x5, 93 FORM_DATA4 = 0x6, 94 FORM_DATA8 = 0x7, 95 FORM_STRING = 0x8 96 }; 97 98 /* Attribute names and codes. */ 99 100 enum dwarf_attribute { 101 AT_sibling = (0x0010|FORM_REF), 102 AT_location = (0x0020|FORM_BLOCK2), 103 AT_name = (0x0030|FORM_STRING), 104 AT_fund_type = (0x0050|FORM_DATA2), 105 AT_mod_fund_type = (0x0060|FORM_BLOCK2), 106 AT_user_def_type = (0x0070|FORM_REF), 107 AT_mod_u_d_type = (0x0080|FORM_BLOCK2), 108 AT_ordering = (0x0090|FORM_DATA2), 109 AT_subscr_data = (0x00a0|FORM_BLOCK2), 110 AT_byte_size = (0x00b0|FORM_DATA4), 111 AT_bit_offset = (0x00c0|FORM_DATA2), 112 AT_bit_size = (0x00d0|FORM_DATA4), 113 /* (0x00e0|FORM_xxxx) -- reserved */ 114 AT_element_list = (0x00f0|FORM_BLOCK4), 115 AT_stmt_list = (0x0100|FORM_DATA4), 116 AT_low_pc = (0x0110|FORM_ADDR), 117 AT_high_pc = (0x0120|FORM_ADDR), 118 AT_language = (0x0130|FORM_DATA4), 119 AT_member = (0x0140|FORM_REF), 120 AT_discr = (0x0150|FORM_REF), 121 AT_discr_value = (0x0160|FORM_BLOCK2), 122 /* (0x0170|FORM_xxxx) -- reserved */ 123 /* (0x0180|FORM_xxxx) -- reserved */ 124 AT_string_length = (0x0190|FORM_BLOCK2), 125 AT_common_reference = (0x01a0|FORM_REF), 126 AT_comp_dir = (0x01b0|FORM_STRING), 127 AT_const_value_string = (0x01c0|FORM_STRING), 128 AT_const_value_data2 = (0x01c0|FORM_DATA2), 129 AT_const_value_data4 = (0x01c0|FORM_DATA4), 130 AT_const_value_data8 = (0x01c0|FORM_DATA8), 131 AT_const_value_block2 = (0x01c0|FORM_BLOCK2), 132 AT_const_value_block4 = (0x01c0|FORM_BLOCK4), 133 AT_containing_type = (0x01d0|FORM_REF), 134 AT_default_value_addr = (0x01e0|FORM_ADDR), 135 AT_default_value_data2 = (0x01e0|FORM_DATA2), 136 AT_default_value_data4 = (0x01e0|FORM_DATA4), 137 AT_default_value_data8 = (0x01e0|FORM_DATA8), 138 AT_default_value_string = (0x01e0|FORM_STRING), 139 AT_friends = (0x01f0|FORM_BLOCK2), 140 AT_inline = (0x0200|FORM_STRING), 141 AT_is_optional = (0x0210|FORM_STRING), 142 AT_lower_bound_ref = (0x0220|FORM_REF), 143 AT_lower_bound_data2 = (0x0220|FORM_DATA2), 144 AT_lower_bound_data4 = (0x0220|FORM_DATA4), 145 AT_lower_bound_data8 = (0x0220|FORM_DATA8), 146 AT_private = (0x0240|FORM_STRING), 147 AT_producer = (0x0250|FORM_STRING), 148 AT_program = (0x0230|FORM_STRING), 149 AT_protected = (0x0260|FORM_STRING), 150 AT_prototyped = (0x0270|FORM_STRING), 151 AT_public = (0x0280|FORM_STRING), 152 AT_pure_virtual = (0x0290|FORM_STRING), 153 AT_return_addr = (0x02a0|FORM_BLOCK2), 154 AT_abstract_origin = (0x02b0|FORM_REF), 155 AT_start_scope = (0x02c0|FORM_DATA4), 156 AT_stride_size = (0x02e0|FORM_DATA4), 157 AT_upper_bound_ref = (0x02f0|FORM_REF), 158 AT_upper_bound_data2 = (0x02f0|FORM_DATA2), 159 AT_upper_bound_data4 = (0x02f0|FORM_DATA4), 160 AT_upper_bound_data8 = (0x02f0|FORM_DATA8), 161 AT_virtual = (0x0300|FORM_STRING), 162 163 /* GNU extensions. */ 164 165 AT_sf_names = (0x8000|FORM_DATA4), 166 AT_src_info = (0x8010|FORM_DATA4), 167 AT_mac_info = (0x8020|FORM_DATA4), 168 AT_src_coords = (0x8030|FORM_DATA4), 169 AT_body_begin = (0x8040|FORM_ADDR), 170 AT_body_end = (0x8050|FORM_ADDR) 171 }; 172 173 #define AT_lo_user 0x2000 /* implementation-defined range start */ 174 #define AT_hi_user 0x3ff0 /* implementation-defined range end */ 175 176 /* Location atom names and codes. */ 177 178 enum dwarf_location_atom { 179 OP_REG = 0x01, 180 OP_BASEREG = 0x02, 181 OP_ADDR = 0x03, 182 OP_CONST = 0x04, 183 OP_DEREF2 = 0x05, 184 OP_DEREF4 = 0x06, 185 OP_ADD = 0x07, 186 187 /* GNU extensions. */ 188 189 OP_MULT = 0x80 190 }; 191 192 #define OP_LO_USER 0x80 /* implementation-defined range start */ 193 #define OP_HI_USER 0xff /* implementation-defined range end */ 194 195 /* Fundamental type names and codes. */ 196 197 enum dwarf_fundamental_type { 198 FT_char = 0x0001, 199 FT_signed_char = 0x0002, 200 FT_unsigned_char = 0x0003, 201 FT_short = 0x0004, 202 FT_signed_short = 0x0005, 203 FT_unsigned_short = 0x0006, 204 FT_integer = 0x0007, 205 FT_signed_integer = 0x0008, 206 FT_unsigned_integer = 0x0009, 207 FT_long = 0x000a, 208 FT_signed_long = 0x000b, 209 FT_unsigned_long = 0x000c, 210 FT_pointer = 0x000d, /* an alias for (void *) */ 211 FT_float = 0x000e, 212 FT_dbl_prec_float = 0x000f, 213 FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */ 214 FT_complex = 0x0011, /* breaks "classic" svr4 SDB */ 215 FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */ 216 /* 0x0013 -- reserved */ 217 FT_void = 0x0014, 218 FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */ 219 FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */ 220 FT_label = 0x0017, 221 222 /* GNU extensions 223 The low order byte must indicate the size (in bytes) for the type. 224 All of these types will probably break "classic" svr4 SDB. */ 225 226 FT_long_long = 0x8008, 227 FT_signed_long_long = 0x8108, 228 FT_unsigned_long_long = 0x8208, 229 230 FT_int8 = 0x9001, 231 FT_signed_int8 = 0x9101, 232 FT_unsigned_int8 = 0x9201, 233 FT_int16 = 0x9302, 234 FT_signed_int16 = 0x9402, 235 FT_unsigned_int16 = 0x9502, 236 FT_int32 = 0x9604, 237 FT_signed_int32 = 0x9704, 238 FT_unsigned_int32 = 0x9804, 239 FT_int64 = 0x9908, 240 FT_signed_int64 = 0x9a08, 241 FT_unsigned_int64 = 0x9b08, 242 FT_int128 = 0x9c10, 243 FT_signed_int128 = 0x9d10, 244 FT_unsigned_int128 = 0x9e10, 245 246 FT_real32 = 0xa004, 247 FT_real64 = 0xa108, 248 FT_real96 = 0xa20c, 249 FT_real128 = 0xa310 250 }; 251 252 #define FT_lo_user 0x8000 /* implementation-defined range start */ 253 #define FT_hi_user 0xffff /* implementation defined range end */ 254 255 /* Type modifier names and codes. */ 256 257 enum dwarf_type_modifier { 258 MOD_pointer_to = 0x01, 259 MOD_reference_to = 0x02, 260 MOD_const = 0x03, 261 MOD_volatile = 0x04 262 }; 263 264 #define MOD_lo_user 0x80 /* implementation-defined range start */ 265 #define MOD_hi_user 0xff /* implementation-defined range end */ 266 267 /* Array ordering names and codes. */ 268 269 enum dwarf_array_dim_ordering { 270 ORD_row_major = 0, 271 ORD_col_major = 1 272 }; 273 274 /* Array subscript format names and codes. */ 275 276 enum dwarf_subscr_data_formats { 277 FMT_FT_C_C = 0x0, 278 FMT_FT_C_X = 0x1, 279 FMT_FT_X_C = 0x2, 280 FMT_FT_X_X = 0x3, 281 FMT_UT_C_C = 0x4, 282 FMT_UT_C_X = 0x5, 283 FMT_UT_X_C = 0x6, 284 FMT_UT_X_X = 0x7, 285 FMT_ET = 0x8 286 }; 287 288 /* Derived from above for ease of use. */ 289 290 #define FMT_CODE(_FUNDAMENTAL_TYPE_P, _LB_CONST_P, _UB_CONST_P) \ 291 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \ 292 | ((_LB_CONST_P) ? 0 : 2) \ 293 | ((_UB_CONST_P) ? 0 : 1)) 294 295 /* Source language names and codes. */ 296 297 enum dwarf_source_language { 298 LANG_C89 = 0x00000001, 299 LANG_C = 0x00000002, 300 LANG_ADA83 = 0x00000003, 301 LANG_C_PLUS_PLUS = 0x00000004, 302 LANG_COBOL74 = 0x00000005, 303 LANG_COBOL85 = 0x00000006, 304 LANG_FORTRAN77 = 0x00000007, 305 LANG_FORTRAN90 = 0x00000008, 306 LANG_PASCAL83 = 0x00000009, 307 LANG_MODULA2 = 0x0000000a, 308 LANG_JAVA = 0x0000000b 309 }; 310 311 #define LANG_lo_user 0x00008000 /* implementation-defined range start */ 312 #define LANG_hi_user 0x0000ffff /* implementation-defined range end */ 313 314 /* Names and codes for GNU "macinfo" extension. */ 315 316 enum dwarf_macinfo_record_type { 317 MACINFO_start = 's', 318 MACINFO_resume = 'r', 319 MACINFO_define = 'd', 320 MACINFO_undef = 'u' 321 }; 322 323 #endif /* _ELF_DWARF_H */ 324