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1 /* Declarations and definitions of codes relating to the DWARF symbolic
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2 debugging information format.
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3
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4 Written by Ron Guilmette (rfg@netcom.com)
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5
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6 Copyright (C) 1992, 2004, 2007 Free Software Foundation, Inc.
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7
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8 This file is part of GCC.
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9
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10 GCC is free software; you can redistribute it and/or modify it under
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11 the terms of the GNU General Public License as published by the Free
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12 Software Foundation; either version 3, or (at your option) any later
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13 version.
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14
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15 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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16 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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18 for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with GCC; see the file COPYING3. If not see
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22 <http://www.gnu.org/licenses/>. */
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23
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24 /* This file is derived from the DWARF specification (a public document)
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25 Revision 1.0.1 (April 8, 1992) developed by the UNIX International
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26 Programming Languages Special Interest Group (UI/PLSIG) and distributed
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27 by UNIX International. Copies of this specification are available from
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28 UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
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29 */
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30
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31 /* Tag names and codes. */
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32
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33 enum dwarf_tag {
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34 TAG_padding = 0x0000,
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35 TAG_array_type = 0x0001,
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36 TAG_class_type = 0x0002,
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37 TAG_entry_point = 0x0003,
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38 TAG_enumeration_type = 0x0004,
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39 TAG_formal_parameter = 0x0005,
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40 TAG_global_subroutine = 0x0006,
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41 TAG_global_variable = 0x0007,
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42 /* 0x0008 -- reserved */
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43 /* 0x0009 -- reserved */
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44 TAG_label = 0x000a,
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45 TAG_lexical_block = 0x000b,
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46 TAG_local_variable = 0x000c,
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47 TAG_member = 0x000d,
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48 /* 0x000e -- reserved */
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49 TAG_pointer_type = 0x000f,
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50 TAG_reference_type = 0x0010,
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51 TAG_compile_unit = 0x0011,
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52 TAG_string_type = 0x0012,
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53 TAG_structure_type = 0x0013,
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54 TAG_subroutine = 0x0014,
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55 TAG_subroutine_type = 0x0015,
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56 TAG_typedef = 0x0016,
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57 TAG_union_type = 0x0017,
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58 TAG_unspecified_parameters = 0x0018,
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59 TAG_variant = 0x0019,
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60 TAG_common_block = 0x001a,
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61 TAG_common_inclusion = 0x001b,
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62 TAG_inheritance = 0x001c,
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63 TAG_inlined_subroutine = 0x001d,
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64 TAG_module = 0x001e,
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65 TAG_ptr_to_member_type = 0x001f,
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66 TAG_set_type = 0x0020,
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67 TAG_subrange_type = 0x0021,
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68 TAG_with_stmt = 0x0022,
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69
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70 /* GNU extensions */
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71
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72 TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */
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73 TAG_namelist = 0x8001, /* For Fortran 90 */
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74 TAG_function_template = 0x8002, /* for C++ */
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75 TAG_class_template = 0x8003 /* for C++ */
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76 };
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77
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78 #define TAG_lo_user 0x8000 /* implementation-defined range start */
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79 #define TAG_hi_user 0xffff /* implementation-defined range end */
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80 #define TAG_source_file TAG_compile_unit /* for backward compatibility */
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81
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82 /* Form names and codes. */
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83
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84 enum dwarf_form {
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85 FORM_ADDR = 0x1,
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86 FORM_REF = 0x2,
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87 FORM_BLOCK2 = 0x3,
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88 FORM_BLOCK4 = 0x4,
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89 FORM_DATA2 = 0x5,
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90 FORM_DATA4 = 0x6,
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91 FORM_DATA8 = 0x7,
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92 FORM_STRING = 0x8
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93 };
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94
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95 /* Attribute names and codes. */
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96
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97 enum dwarf_attribute {
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98 AT_sibling = (0x0010|FORM_REF),
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99 AT_location = (0x0020|FORM_BLOCK2),
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100 AT_name = (0x0030|FORM_STRING),
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101 AT_fund_type = (0x0050|FORM_DATA2),
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102 AT_mod_fund_type = (0x0060|FORM_BLOCK2),
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103 AT_user_def_type = (0x0070|FORM_REF),
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104 AT_mod_u_d_type = (0x0080|FORM_BLOCK2),
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105 AT_ordering = (0x0090|FORM_DATA2),
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106 AT_subscr_data = (0x00a0|FORM_BLOCK2),
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107 AT_byte_size = (0x00b0|FORM_DATA4),
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108 AT_bit_offset = (0x00c0|FORM_DATA2),
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109 AT_bit_size = (0x00d0|FORM_DATA4),
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110 /* (0x00e0|FORM_xxxx) -- reserved */
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111 AT_element_list = (0x00f0|FORM_BLOCK4),
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112 AT_stmt_list = (0x0100|FORM_DATA4),
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113 AT_low_pc = (0x0110|FORM_ADDR),
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114 AT_high_pc = (0x0120|FORM_ADDR),
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115 AT_language = (0x0130|FORM_DATA4),
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116 AT_member = (0x0140|FORM_REF),
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117 AT_discr = (0x0150|FORM_REF),
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118 AT_discr_value = (0x0160|FORM_BLOCK2),
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119 /* (0x0170|FORM_xxxx) -- reserved */
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120 /* (0x0180|FORM_xxxx) -- reserved */
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121 AT_string_length = (0x0190|FORM_BLOCK2),
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122 AT_common_reference = (0x01a0|FORM_REF),
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123 AT_comp_dir = (0x01b0|FORM_STRING),
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124 AT_const_value_string = (0x01c0|FORM_STRING),
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125 AT_const_value_data2 = (0x01c0|FORM_DATA2),
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126 AT_const_value_data4 = (0x01c0|FORM_DATA4),
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127 AT_const_value_data8 = (0x01c0|FORM_DATA8),
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128 AT_const_value_block2 = (0x01c0|FORM_BLOCK2),
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129 AT_const_value_block4 = (0x01c0|FORM_BLOCK4),
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130 AT_containing_type = (0x01d0|FORM_REF),
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131 AT_default_value_addr = (0x01e0|FORM_ADDR),
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132 AT_default_value_data2 = (0x01e0|FORM_DATA2),
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133 AT_default_value_data4 = (0x01e0|FORM_DATA4),
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134 AT_default_value_data8 = (0x01e0|FORM_DATA8),
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135 AT_default_value_string = (0x01e0|FORM_STRING),
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136 AT_friends = (0x01f0|FORM_BLOCK2),
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137 AT_inline = (0x0200|FORM_STRING),
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138 AT_is_optional = (0x0210|FORM_STRING),
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139 AT_lower_bound_ref = (0x0220|FORM_REF),
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140 AT_lower_bound_data2 = (0x0220|FORM_DATA2),
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141 AT_lower_bound_data4 = (0x0220|FORM_DATA4),
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142 AT_lower_bound_data8 = (0x0220|FORM_DATA8),
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143 AT_private = (0x0240|FORM_STRING),
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144 AT_producer = (0x0250|FORM_STRING),
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145 AT_program = (0x0230|FORM_STRING),
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146 AT_protected = (0x0260|FORM_STRING),
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147 AT_prototyped = (0x0270|FORM_STRING),
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148 AT_public = (0x0280|FORM_STRING),
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149 AT_pure_virtual = (0x0290|FORM_STRING),
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150 AT_return_addr = (0x02a0|FORM_BLOCK2),
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151 AT_abstract_origin = (0x02b0|FORM_REF),
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152 AT_start_scope = (0x02c0|FORM_DATA4),
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153 AT_stride_size = (0x02e0|FORM_DATA4),
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154 AT_upper_bound_ref = (0x02f0|FORM_REF),
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155 AT_upper_bound_data2 = (0x02f0|FORM_DATA2),
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156 AT_upper_bound_data4 = (0x02f0|FORM_DATA4),
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157 AT_upper_bound_data8 = (0x02f0|FORM_DATA8),
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158 AT_virtual = (0x0300|FORM_STRING),
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159
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160 /* GNU extensions. */
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161
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162 AT_sf_names = (0x8000|FORM_DATA4),
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163 AT_src_info = (0x8010|FORM_DATA4),
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164 AT_mac_info = (0x8020|FORM_DATA4),
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165 AT_src_coords = (0x8030|FORM_DATA4),
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166 AT_body_begin = (0x8040|FORM_ADDR),
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167 AT_body_end = (0x8050|FORM_ADDR)
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168 };
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169
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170 #define AT_lo_user 0x2000 /* implementation-defined range start */
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171 #define AT_hi_user 0x3ff0 /* implementation-defined range end */
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172
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173 /* Location atom names and codes. */
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174
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175 enum dwarf_location_atom {
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176 OP_REG = 0x01,
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177 OP_BASEREG = 0x02,
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178 OP_ADDR = 0x03,
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179 OP_CONST = 0x04,
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180 OP_DEREF2 = 0x05,
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181 OP_DEREF4 = 0x06,
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182 OP_ADD = 0x07,
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183
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184 /* GNU extensions. */
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185
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186 OP_MULT = 0x80
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187 };
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188
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189 #define OP_LO_USER 0x80 /* implementation-defined range start */
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190 #define OP_HI_USER 0xff /* implementation-defined range end */
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191
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192 /* Fundamental type names and codes. */
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193
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194 enum dwarf_fundamental_type {
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195 FT_char = 0x0001,
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196 FT_signed_char = 0x0002,
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197 FT_unsigned_char = 0x0003,
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198 FT_short = 0x0004,
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199 FT_signed_short = 0x0005,
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200 FT_unsigned_short = 0x0006,
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201 FT_integer = 0x0007,
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202 FT_signed_integer = 0x0008,
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203 FT_unsigned_integer = 0x0009,
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204 FT_long = 0x000a,
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205 FT_signed_long = 0x000b,
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206 FT_unsigned_long = 0x000c,
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207 FT_pointer = 0x000d, /* an alias for (void *) */
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208 FT_float = 0x000e,
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209 FT_dbl_prec_float = 0x000f,
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210 FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */
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211 FT_complex = 0x0011, /* breaks "classic" svr4 SDB */
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212 FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */
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213 /* 0x0013 -- reserved */
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214 FT_void = 0x0014,
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215 FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */
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216 FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */
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217 FT_label = 0x0017,
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218
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219 /* GNU extensions
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220 The low order byte must indicate the size (in bytes) for the type.
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221 All of these types will probably break "classic" svr4 SDB. */
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222
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223 FT_long_long = 0x8008,
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224 FT_signed_long_long = 0x8108,
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225 FT_unsigned_long_long = 0x8208,
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226
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227 FT_int8 = 0x9001,
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228 FT_signed_int8 = 0x9101,
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229 FT_unsigned_int8 = 0x9201,
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230 FT_int16 = 0x9302,
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231 FT_signed_int16 = 0x9402,
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232 FT_unsigned_int16 = 0x9502,
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233 FT_int32 = 0x9604,
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234 FT_signed_int32 = 0x9704,
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235 FT_unsigned_int32 = 0x9804,
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236 FT_int64 = 0x9908,
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237 FT_signed_int64 = 0x9a08,
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238 FT_unsigned_int64 = 0x9b08,
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239 FT_int128 = 0x9c10,
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240 FT_signed_int128 = 0x9d10,
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241 FT_unsigned_int128 = 0x9e10,
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242
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243 FT_real32 = 0xa004,
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244 FT_real64 = 0xa108,
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245 FT_real96 = 0xa20c,
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246 FT_real128 = 0xa310
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247 };
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248
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249 #define FT_lo_user 0x8000 /* implementation-defined range start */
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250 #define FT_hi_user 0xffff /* implementation defined range end */
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251
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252 /* Type modifier names and codes. */
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253
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254 enum dwarf_type_modifier {
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255 MOD_pointer_to = 0x01,
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256 MOD_reference_to = 0x02,
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257 MOD_const = 0x03,
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258 MOD_volatile = 0x04
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259 };
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260
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261 #define MOD_lo_user 0x80 /* implementation-defined range start */
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262 #define MOD_hi_user 0xff /* implementation-defined range end */
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263
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264 /* Array ordering names and codes. */
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265
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266 enum dwarf_array_dim_ordering {
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267 ORD_row_major = 0,
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268 ORD_col_major = 1
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269 };
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270
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271 /* Array subscript format names and codes. */
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272
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273 enum dwarf_subscr_data_formats {
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274 FMT_FT_C_C = 0x0,
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275 FMT_FT_C_X = 0x1,
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276 FMT_FT_X_C = 0x2,
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277 FMT_FT_X_X = 0x3,
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278 FMT_UT_C_C = 0x4,
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279 FMT_UT_C_X = 0x5,
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280 FMT_UT_X_C = 0x6,
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281 FMT_UT_X_X = 0x7,
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282 FMT_ET = 0x8
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283 };
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284
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285 /* Derived from above for ease of use. */
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286
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287 #define FMT_CODE(_FUNDAMENTAL_TYPE_P, _LB_CONST_P, _UB_CONST_P) \
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288 (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \
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289 | ((_LB_CONST_P) ? 0 : 2) \
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290 | ((_UB_CONST_P) ? 0 : 1))
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291
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292 /* Source language names and codes. */
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293
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294 enum dwarf_source_language {
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295 LANG_C89 = 0x00000001,
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296 LANG_C = 0x00000002,
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297 LANG_ADA83 = 0x00000003,
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298 LANG_C_PLUS_PLUS = 0x00000004,
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299 LANG_COBOL74 = 0x00000005,
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300 LANG_COBOL85 = 0x00000006,
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301 LANG_FORTRAN77 = 0x00000007,
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302 LANG_FORTRAN90 = 0x00000008,
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303 LANG_PASCAL83 = 0x00000009,
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304 LANG_MODULA2 = 0x0000000a,
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305 LANG_JAVA = 0x0000000b
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306 };
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307
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308 #define LANG_lo_user 0x00008000 /* implementation-defined range start */
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309 #define LANG_hi_user 0x0000ffff /* implementation-defined range end */
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310
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311 /* Names and codes for GNU "macinfo" extension. */
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312
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313 enum dwarf_macinfo_record_type {
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314 MACINFO_start = 's',
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315 MACINFO_resume = 'r',
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316 MACINFO_define = 'd',
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317 MACINFO_undef = 'u'
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318 };
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