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 6Copyright (C) 1992 Free Software Foundation, Inc. 7 8This file is part of GNU CC. 9 10GNU CC is free software; you can redistribute it and/or modify 11it under the terms of the GNU General Public License as published by 12the Free Software Foundation; either version 2, or (at your option) 13any later version. 14 15GNU CC is distributed in the hope that it will be useful, 16but WITHOUT ANY WARRANTY; without even the implied warranty of 17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18GNU General Public License for more details. 19 20You should have received a copy of the GNU General Public License 21along with GNU CC; see the file COPYING. If not, write to 22the Free Software Foundation, 59 Temple Place - Suite 330, 23Boston, MA 02111-1307, 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 32/* Tag names and codes. */ 33 34enum dwarf_tag { 35 TAG_padding = 0x0000, 36 TAG_array_type = 0x0001, 37 TAG_class_type = 0x0002, 38 TAG_entry_point = 0x0003, 39 TAG_enumeration_type = 0x0004, 40 TAG_formal_parameter = 0x0005, 41 TAG_global_subroutine = 0x0006, 42 TAG_global_variable = 0x0007, 43 /* 0x0008 -- reserved */ 44 /* 0x0009 -- reserved */ 45 TAG_label = 0x000a, 46 TAG_lexical_block = 0x000b, 47 TAG_local_variable = 0x000c, 48 TAG_member = 0x000d, 49 /* 0x000e -- reserved */ 50 TAG_pointer_type = 0x000f, 51 TAG_reference_type = 0x0010, 52 TAG_compile_unit = 0x0011, 53 TAG_string_type = 0x0012, 54 TAG_structure_type = 0x0013, 55 TAG_subroutine = 0x0014, 56 TAG_subroutine_type = 0x0015, 57 TAG_typedef = 0x0016, 58 TAG_union_type = 0x0017, 59 TAG_unspecified_parameters = 0x0018, 60 TAG_variant = 0x0019, 61 TAG_common_block = 0x001a, 62 TAG_common_inclusion = 0x001b, 63 TAG_inheritance = 0x001c, 64 TAG_inlined_subroutine = 0x001d, 65 TAG_module = 0x001e, 66 TAG_ptr_to_member_type = 0x001f, 67 TAG_set_type = 0x0020, 68 TAG_subrange_type = 0x0021, 69 TAG_with_stmt = 0x0022, 70 71 /* GNU extensions */ 72 73 TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */ 74 TAG_namelist = 0x8001, /* For Fortran 90 */ 75 TAG_function_template = 0x8002, /* for C++ */ 76 TAG_class_template = 0x8003 /* for C++ */ 77}; 78 79#define TAG_lo_user 0x8000 /* implementation-defined range start */ 80#define TAG_hi_user 0xffff /* implementation-defined range end */ 81#define TAG_source_file TAG_compile_unit /* for backward compatibility */ 82 83/* Form names and codes. */ 84 85enum dwarf_form { 86 FORM_ADDR = 0x1, 87 FORM_REF = 0x2, 88 FORM_BLOCK2 = 0x3, 89 FORM_BLOCK4 = 0x4, 90 FORM_DATA2 = 0x5, 91 FORM_DATA4 = 0x6, 92 FORM_DATA8 = 0x7, 93 FORM_STRING = 0x8 94}; 95 96/* Attribute names and codes. */ 97 98enum dwarf_attribute { 99 AT_sibling = (0x0010|FORM_REF), 100 AT_location = (0x0020|FORM_BLOCK2), 101 AT_name = (0x0030|FORM_STRING), 102 AT_fund_type = (0x0050|FORM_DATA2), 103 AT_mod_fund_type = (0x0060|FORM_BLOCK2), 104 AT_user_def_type = (0x0070|FORM_REF), 105 AT_mod_u_d_type = (0x0080|FORM_BLOCK2), 106 AT_ordering = (0x0090|FORM_DATA2), 107 AT_subscr_data = (0x00a0|FORM_BLOCK2), 108 AT_byte_size = (0x00b0|FORM_DATA4), 109 AT_bit_offset = (0x00c0|FORM_DATA2), 110 AT_bit_size = (0x00d0|FORM_DATA4), 111 /* (0x00e0|FORM_xxxx) -- reserved */ 112 AT_element_list = (0x00f0|FORM_BLOCK4), 113 AT_stmt_list = (0x0100|FORM_DATA4), 114 AT_low_pc = (0x0110|FORM_ADDR), 115 AT_high_pc = (0x0120|FORM_ADDR), 116 AT_language = (0x0130|FORM_DATA4), 117 AT_member = (0x0140|FORM_REF), 118 AT_discr = (0x0150|FORM_REF), 119 AT_discr_value = (0x0160|FORM_BLOCK2), 120 /* (0x0170|FORM_xxxx) -- reserved */ 121 /* (0x0180|FORM_xxxx) -- reserved */ 122 AT_string_length = (0x0190|FORM_BLOCK2), 123 AT_common_reference = (0x01a0|FORM_REF), 124 AT_comp_dir = (0x01b0|FORM_STRING), 125 AT_const_value_string = (0x01c0|FORM_STRING), 126 AT_const_value_data2 = (0x01c0|FORM_DATA2), 127 AT_const_value_data4 = (0x01c0|FORM_DATA4), 128 AT_const_value_data8 = (0x01c0|FORM_DATA8), 129 AT_const_value_block2 = (0x01c0|FORM_BLOCK2), 130 AT_const_value_block4 = (0x01c0|FORM_BLOCK4), 131 AT_containing_type = (0x01d0|FORM_REF), 132 AT_default_value_addr = (0x01e0|FORM_ADDR), 133 AT_default_value_data2 = (0x01e0|FORM_DATA2), 134 AT_default_value_data4 = (0x01e0|FORM_DATA4), 135 AT_default_value_data8 = (0x01e0|FORM_DATA8), 136 AT_default_value_string = (0x01e0|FORM_STRING), 137 AT_friends = (0x01f0|FORM_BLOCK2), 138 AT_inline = (0x0200|FORM_STRING), 139 AT_is_optional = (0x0210|FORM_STRING), 140 AT_lower_bound_ref = (0x0220|FORM_REF), 141 AT_lower_bound_data2 = (0x0220|FORM_DATA2), 142 AT_lower_bound_data4 = (0x0220|FORM_DATA4), 143 AT_lower_bound_data8 = (0x0220|FORM_DATA8), 144 AT_private = (0x0240|FORM_STRING), 145 AT_producer = (0x0250|FORM_STRING), 146 AT_program = (0x0230|FORM_STRING), 147 AT_protected = (0x0260|FORM_STRING), 148 AT_prototyped = (0x0270|FORM_STRING), 149 AT_public = (0x0280|FORM_STRING), 150 AT_pure_virtual = (0x0290|FORM_STRING), 151 AT_return_addr = (0x02a0|FORM_BLOCK2), 152 AT_abstract_origin = (0x02b0|FORM_REF), 153 AT_start_scope = (0x02c0|FORM_DATA4), 154 AT_stride_size = (0x02e0|FORM_DATA4), 155 AT_upper_bound_ref = (0x02f0|FORM_REF), 156 AT_upper_bound_data2 = (0x02f0|FORM_DATA2), 157 AT_upper_bound_data4 = (0x02f0|FORM_DATA4), 158 AT_upper_bound_data8 = (0x02f0|FORM_DATA8), 159 AT_virtual = (0x0300|FORM_STRING), 160 161 /* GNU extensions. */ 162 163 AT_sf_names = (0x8000|FORM_DATA4), 164 AT_src_info = (0x8010|FORM_DATA4), 165 AT_mac_info = (0x8020|FORM_DATA4), 166 AT_src_coords = (0x8030|FORM_DATA4), 167 AT_body_begin = (0x8040|FORM_ADDR), 168 AT_body_end = (0x8050|FORM_ADDR) 169}; 170 171#define AT_lo_user 0x2000 /* implementation-defined range start */ 172#define AT_hi_user 0x3ff0 /* implementation-defined range end */ 173 174/* Location atom names and codes. */ 175 176enum dwarf_location_atom { 177 OP_REG = 0x01, 178 OP_BASEREG = 0x02, 179 OP_ADDR = 0x03, 180 OP_CONST = 0x04, 181 OP_DEREF2 = 0x05, 182 OP_DEREF4 = 0x06, 183 OP_ADD = 0x07, 184 185 /* GNU extensions. */ 186 187 OP_MULT = 0x80 188}; 189 190#define OP_LO_USER 0x80 /* implementation-defined range start */ 191#define OP_HI_USER 0xff /* implementation-defined range end */ 192 193/* Fundamental type names and codes. */ 194 195enum dwarf_fundamental_type { 196 FT_char = 0x0001, 197 FT_signed_char = 0x0002, 198 FT_unsigned_char = 0x0003, 199 FT_short = 0x0004, 200 FT_signed_short = 0x0005, 201 FT_unsigned_short = 0x0006, 202 FT_integer = 0x0007, 203 FT_signed_integer = 0x0008, 204 FT_unsigned_integer = 0x0009, 205 FT_long = 0x000a, 206 FT_signed_long = 0x000b, 207 FT_unsigned_long = 0x000c, 208 FT_pointer = 0x000d, /* an alias for (void *) */ 209 FT_float = 0x000e, 210 FT_dbl_prec_float = 0x000f, 211 FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */ 212 FT_complex = 0x0011, /* breaks "classic" svr4 SDB */ 213 FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */ 214 /* 0x0013 -- reserved */ 215 FT_void = 0x0014, 216 FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */ 217 FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */ 218 FT_label = 0x0017, 219 220 /* GNU extensions 221 The low order byte must indicate the size (in bytes) for the type. 222 All of these types will probably break "classic" svr4 SDB */ 223 224 FT_long_long = 0x8008, 225 FT_signed_long_long = 0x8108, 226 FT_unsigned_long_long = 0x8208, 227 228 FT_int8 = 0x9001, 229 FT_signed_int8 = 0x9101, 230 FT_unsigned_int8 = 0x9201, 231 FT_int16 = 0x9302, 232 FT_signed_int16 = 0x9402, 233 FT_unsigned_int16 = 0x9502, 234 FT_int32 = 0x9604, 235 FT_signed_int32 = 0x9704, 236 FT_unsigned_int32 = 0x9804, 237 FT_int64 = 0x9908, 238 FT_signed_int64 = 0x9a08, 239 FT_unsigned_int64 = 0x9b08, 240 241 FT_real32 = 0xa004, 242 FT_real64 = 0xa108, 243 FT_real96 = 0xa20c, 244 FT_real128 = 0xa310 245}; 246 247#define FT_lo_user 0x8000 /* implementation-defined range start */ 248#define FT_hi_user 0xffff /* implementation defined range end */ 249 250/* Type modifier names and codes. */ 251 252enum dwarf_type_modifier { 253 MOD_pointer_to = 0x01, 254 MOD_reference_to = 0x02, 255 MOD_const = 0x03, 256 MOD_volatile = 0x04 257}; 258 259#define MOD_lo_user 0x80 /* implementation-defined range start */ 260#define MOD_hi_user 0xff /* implementation-defined range end */ 261 262/* Array ordering names and codes. */ 263 264enum dwarf_array_dim_ordering { 265 ORD_row_major = 0, 266 ORD_col_major = 1 267}; 268 269/* Array subscript format names and codes. */ 270 271enum dwarf_subscr_data_formats { 272 FMT_FT_C_C = 0x0, 273 FMT_FT_C_X = 0x1, 274 FMT_FT_X_C = 0x2, 275 FMT_FT_X_X = 0x3, 276 FMT_UT_C_C = 0x4, 277 FMT_UT_C_X = 0x5, 278 FMT_UT_X_C = 0x6, 279 FMT_UT_X_X = 0x7, 280 FMT_ET = 0x8 281}; 282 283/* Derived from above for ease of use. */ 284 285#define FMT_CODE(_FUNDAMENTAL_TYPE_P, _UB_CONST_P, _LB_CONST_P) \ 286 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \ 287 | ((_UB_CONST_P) ? 0 : 2) \ 288 | ((_LB_CONST_P) ? 0 : 1)) 289 290/* Source language names and codes. */ 291 292enum dwarf_source_language { 293 LANG_C89 = 0x00000001, 294 LANG_C = 0x00000002, 295 LANG_ADA83 = 0x00000003, 296 LANG_C_PLUS_PLUS = 0x00000004, 297 LANG_COBOL74 = 0x00000005, 298 LANG_COBOL85 = 0x00000006, 299 LANG_FORTRAN77 = 0x00000007, 300 LANG_FORTRAN90 = 0x00000008, 301 LANG_PASCAL83 = 0x00000009, 302 LANG_MODULA2 = 0x0000000a 303}; 304 305#define LANG_lo_user 0x00008000 /* implementation-defined range start */ 306#define LANG_hi_user 0x0000ffff /* implementation-defined range end */ 307 308/* Names and codes for GNU "macinfo" extension. */ 309 310enum dwarf_macinfo_record_type { 311 MACINFO_start = 's', 312 MACINFO_resume = 'r', 313 MACINFO_define = 'd', 314 MACINFO_undef = 'u' 315}; 316