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 Free Software Foundation, Inc. |
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7 | |
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8 | This file is part of GNU CC. |
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9 | |
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10 | GNU CC is free software; you can redistribute it and/or modify |
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11 | it under the terms of the GNU General Public License as published by |
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12 | the Free Software Foundation; either version 2, or (at your option) |
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13 | any later version. |
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14 | |
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15 | GNU CC is distributed in the hope that it will be useful, |
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16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 | GNU General Public License 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 GNU CC; see the file COPYING. If not, write to |
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22 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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23 | Boston, MA 02111-1307, USA. */ |
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24 | |
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25 | /* This file is derived from the DWARF specification (a public document) |
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26 | Revision 1.0.1 (April 8, 1992) developed by the UNIX International |
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27 | Programming Languages Special Interest Group (UI/PLSIG) and distributed |
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28 | by UNIX International. Copies of this specification are available from |
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29 | UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054. |
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30 | */ |
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31 | |
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32 | /* Tag names and codes. */ |
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33 | |
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34 | enum dwarf_tag { |
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35 | TAG_padding = 0x0000, |
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36 | TAG_array_type = 0x0001, |
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37 | TAG_class_type = 0x0002, |
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38 | TAG_entry_point = 0x0003, |
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39 | TAG_enumeration_type = 0x0004, |
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40 | TAG_formal_parameter = 0x0005, |
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41 | TAG_global_subroutine = 0x0006, |
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42 | TAG_global_variable = 0x0007, |
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43 | /* 0x0008 -- reserved */ |
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44 | /* 0x0009 -- reserved */ |
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45 | TAG_label = 0x000a, |
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46 | TAG_lexical_block = 0x000b, |
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47 | TAG_local_variable = 0x000c, |
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48 | TAG_member = 0x000d, |
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49 | /* 0x000e -- reserved */ |
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50 | TAG_pointer_type = 0x000f, |
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51 | TAG_reference_type = 0x0010, |
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52 | TAG_compile_unit = 0x0011, |
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53 | TAG_string_type = 0x0012, |
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54 | TAG_structure_type = 0x0013, |
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55 | TAG_subroutine = 0x0014, |
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56 | TAG_subroutine_type = 0x0015, |
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57 | TAG_typedef = 0x0016, |
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58 | TAG_union_type = 0x0017, |
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59 | TAG_unspecified_parameters = 0x0018, |
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60 | TAG_variant = 0x0019, |
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61 | TAG_common_block = 0x001a, |
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62 | TAG_common_inclusion = 0x001b, |
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63 | TAG_inheritance = 0x001c, |
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64 | TAG_inlined_subroutine = 0x001d, |
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65 | TAG_module = 0x001e, |
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66 | TAG_ptr_to_member_type = 0x001f, |
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67 | TAG_set_type = 0x0020, |
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68 | TAG_subrange_type = 0x0021, |
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69 | TAG_with_stmt = 0x0022, |
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70 | |
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71 | /* GNU extensions */ |
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72 | |
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73 | TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */ |
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74 | TAG_namelist = 0x8001, /* For Fortran 90 */ |
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75 | TAG_function_template = 0x8002, /* for C++ */ |
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76 | TAG_class_template = 0x8003 /* for C++ */ |
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77 | }; |
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78 | |
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79 | #define TAG_lo_user 0x8000 /* implementation-defined range start */ |
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80 | #define TAG_hi_user 0xffff /* implementation-defined range end */ |
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81 | #define TAG_source_file TAG_compile_unit /* for backward compatibility */ |
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82 | |
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83 | /* Form names and codes. */ |
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84 | |
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85 | enum dwarf_form { |
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86 | FORM_ADDR = 0x1, |
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87 | FORM_REF = 0x2, |
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88 | FORM_BLOCK2 = 0x3, |
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89 | FORM_BLOCK4 = 0x4, |
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90 | FORM_DATA2 = 0x5, |
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91 | FORM_DATA4 = 0x6, |
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92 | FORM_DATA8 = 0x7, |
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93 | FORM_STRING = 0x8 |
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94 | }; |
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95 | |
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96 | /* Attribute names and codes. */ |
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97 | |
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98 | enum dwarf_attribute { |
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99 | AT_sibling = (0x0010|FORM_REF), |
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100 | AT_location = (0x0020|FORM_BLOCK2), |
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101 | AT_name = (0x0030|FORM_STRING), |
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102 | AT_fund_type = (0x0050|FORM_DATA2), |
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103 | AT_mod_fund_type = (0x0060|FORM_BLOCK2), |
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104 | AT_user_def_type = (0x0070|FORM_REF), |
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105 | AT_mod_u_d_type = (0x0080|FORM_BLOCK2), |
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106 | AT_ordering = (0x0090|FORM_DATA2), |
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107 | AT_subscr_data = (0x00a0|FORM_BLOCK2), |
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108 | AT_byte_size = (0x00b0|FORM_DATA4), |
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109 | AT_bit_offset = (0x00c0|FORM_DATA2), |
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110 | AT_bit_size = (0x00d0|FORM_DATA4), |
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111 | /* (0x00e0|FORM_xxxx) -- reserved */ |
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112 | AT_element_list = (0x00f0|FORM_BLOCK4), |
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113 | AT_stmt_list = (0x0100|FORM_DATA4), |
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114 | AT_low_pc = (0x0110|FORM_ADDR), |
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115 | AT_high_pc = (0x0120|FORM_ADDR), |
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116 | AT_language = (0x0130|FORM_DATA4), |
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117 | AT_member = (0x0140|FORM_REF), |
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118 | AT_discr = (0x0150|FORM_REF), |
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119 | AT_discr_value = (0x0160|FORM_BLOCK2), |
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120 | /* (0x0170|FORM_xxxx) -- reserved */ |
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121 | /* (0x0180|FORM_xxxx) -- reserved */ |
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122 | AT_string_length = (0x0190|FORM_BLOCK2), |
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123 | AT_common_reference = (0x01a0|FORM_REF), |
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124 | AT_comp_dir = (0x01b0|FORM_STRING), |
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125 | AT_const_value_string = (0x01c0|FORM_STRING), |
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126 | AT_const_value_data2 = (0x01c0|FORM_DATA2), |
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127 | AT_const_value_data4 = (0x01c0|FORM_DATA4), |
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128 | AT_const_value_data8 = (0x01c0|FORM_DATA8), |
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129 | AT_const_value_block2 = (0x01c0|FORM_BLOCK2), |
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130 | AT_const_value_block4 = (0x01c0|FORM_BLOCK4), |
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131 | AT_containing_type = (0x01d0|FORM_REF), |
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132 | AT_default_value_addr = (0x01e0|FORM_ADDR), |
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133 | AT_default_value_data2 = (0x01e0|FORM_DATA2), |
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134 | AT_default_value_data4 = (0x01e0|FORM_DATA4), |
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135 | AT_default_value_data8 = (0x01e0|FORM_DATA8), |
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136 | AT_default_value_string = (0x01e0|FORM_STRING), |
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137 | AT_friends = (0x01f0|FORM_BLOCK2), |
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138 | AT_inline = (0x0200|FORM_STRING), |
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139 | AT_is_optional = (0x0210|FORM_STRING), |
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140 | AT_lower_bound_ref = (0x0220|FORM_REF), |
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141 | AT_lower_bound_data2 = (0x0220|FORM_DATA2), |
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142 | AT_lower_bound_data4 = (0x0220|FORM_DATA4), |
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143 | AT_lower_bound_data8 = (0x0220|FORM_DATA8), |
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144 | AT_private = (0x0240|FORM_STRING), |
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145 | AT_producer = (0x0250|FORM_STRING), |
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146 | AT_program = (0x0230|FORM_STRING), |
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147 | AT_protected = (0x0260|FORM_STRING), |
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148 | AT_prototyped = (0x0270|FORM_STRING), |
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149 | AT_public = (0x0280|FORM_STRING), |
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150 | AT_pure_virtual = (0x0290|FORM_STRING), |
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151 | AT_return_addr = (0x02a0|FORM_BLOCK2), |
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152 | AT_abstract_origin = (0x02b0|FORM_REF), |
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153 | AT_start_scope = (0x02c0|FORM_DATA4), |
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154 | AT_stride_size = (0x02e0|FORM_DATA4), |
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155 | AT_upper_bound_ref = (0x02f0|FORM_REF), |
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156 | AT_upper_bound_data2 = (0x02f0|FORM_DATA2), |
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157 | AT_upper_bound_data4 = (0x02f0|FORM_DATA4), |
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158 | AT_upper_bound_data8 = (0x02f0|FORM_DATA8), |
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159 | AT_virtual = (0x0300|FORM_STRING), |
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160 | |
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161 | /* GNU extensions. */ |
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162 | |
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163 | AT_sf_names = (0x8000|FORM_DATA4), |
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164 | AT_src_info = (0x8010|FORM_DATA4), |
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165 | AT_mac_info = (0x8020|FORM_DATA4), |
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166 | AT_src_coords = (0x8030|FORM_DATA4), |
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167 | AT_body_begin = (0x8040|FORM_ADDR), |
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168 | AT_body_end = (0x8050|FORM_ADDR) |
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169 | }; |
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170 | |
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171 | #define AT_lo_user 0x2000 /* implementation-defined range start */ |
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172 | #define AT_hi_user 0x3ff0 /* implementation-defined range end */ |
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173 | |
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174 | /* Location atom names and codes. */ |
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175 | |
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176 | enum dwarf_location_atom { |
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177 | OP_REG = 0x01, |
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178 | OP_BASEREG = 0x02, |
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179 | OP_ADDR = 0x03, |
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180 | OP_CONST = 0x04, |
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181 | OP_DEREF2 = 0x05, |
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182 | OP_DEREF4 = 0x06, |
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183 | OP_ADD = 0x07 |
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184 | }; |
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185 | |
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186 | #define OP_LO_USER 0x80 /* implementation-defined range start */ |
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187 | #define OP_HI_USER 0xff /* implementation-defined range end */ |
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188 | |
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189 | /* Fundamental type names and codes. */ |
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190 | |
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191 | enum dwarf_fundamental_type { |
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192 | FT_char = 0x0001, |
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193 | FT_signed_char = 0x0002, |
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194 | FT_unsigned_char = 0x0003, |
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195 | FT_short = 0x0004, |
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196 | FT_signed_short = 0x0005, |
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197 | FT_unsigned_short = 0x0006, |
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198 | FT_integer = 0x0007, |
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199 | FT_signed_integer = 0x0008, |
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200 | FT_unsigned_integer = 0x0009, |
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201 | FT_long = 0x000a, |
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202 | FT_signed_long = 0x000b, |
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203 | FT_unsigned_long = 0x000c, |
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204 | FT_pointer = 0x000d, /* an alias for (void *) */ |
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205 | FT_float = 0x000e, |
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206 | FT_dbl_prec_float = 0x000f, |
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207 | FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */ |
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208 | FT_complex = 0x0011, /* breaks "classic" svr4 SDB */ |
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209 | FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */ |
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210 | /* 0x0013 -- reserved */ |
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211 | FT_void = 0x0014, |
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212 | FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */ |
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213 | FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */ |
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214 | FT_label = 0x0017, |
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215 | |
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216 | /* GNU extensions |
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217 | The low order byte must indicate the size (in bytes) for the type. |
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218 | All of these types will probably break "classic" svr4 SDB */ |
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219 | |
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220 | FT_long_long = 0x8008, |
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221 | FT_signed_long_long = 0x8108, |
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222 | FT_unsigned_long_long = 0x8208, |
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223 | |
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224 | FT_int8 = 0x9001, |
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225 | FT_signed_int8 = 0x9101, |
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226 | FT_unsigned_int8 = 0x9201, |
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227 | FT_int16 = 0x9302, |
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228 | FT_signed_int16 = 0x9402, |
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229 | FT_unsigned_int16 = 0x9502, |
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230 | FT_int32 = 0x9604, |
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231 | FT_signed_int32 = 0x9704, |
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232 | FT_unsigned_int32 = 0x9804, |
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233 | FT_int64 = 0x9908, |
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234 | FT_signed_int64 = 0x9a08, |
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235 | FT_unsigned_int64 = 0x9b08, |
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236 | |
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237 | FT_real32 = 0xa004, |
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238 | FT_real64 = 0xa108, |
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239 | FT_real96 = 0xa20c, |
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240 | FT_real128 = 0xa310 |
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241 | }; |
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242 | |
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243 | #define FT_lo_user 0x8000 /* implementation-defined range start */ |
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244 | #define FT_hi_user 0xffff /* implementation defined range end */ |
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245 | |
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246 | /* Type modifier names and codes. */ |
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247 | |
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248 | enum dwarf_type_modifier { |
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249 | MOD_pointer_to = 0x01, |
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250 | MOD_reference_to = 0x02, |
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251 | MOD_const = 0x03, |
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252 | MOD_volatile = 0x04 |
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253 | }; |
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254 | |
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255 | #define MOD_lo_user 0x80 /* implementation-defined range start */ |
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256 | #define MOD_hi_user 0xff /* implementation-defined range end */ |
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257 | |
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258 | /* Array ordering names and codes. */ |
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259 | |
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260 | enum dwarf_array_dim_ordering { |
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261 | ORD_row_major = 0, |
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262 | ORD_col_major = 1 |
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263 | }; |
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264 | |
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265 | /* Array subscript format names and codes. */ |
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266 | |
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267 | enum dwarf_subscr_data_formats { |
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268 | FMT_FT_C_C = 0x0, |
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269 | FMT_FT_C_X = 0x1, |
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270 | FMT_FT_X_C = 0x2, |
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271 | FMT_FT_X_X = 0x3, |
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272 | FMT_UT_C_C = 0x4, |
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273 | FMT_UT_C_X = 0x5, |
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274 | FMT_UT_X_C = 0x6, |
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275 | FMT_UT_X_X = 0x7, |
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276 | FMT_ET = 0x8 |
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277 | }; |
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278 | |
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279 | /* Derived from above for ease of use. */ |
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280 | |
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281 | #define FMT_CODE(_FUNDAMENTAL_TYPE_P, _UB_CONST_P, _LB_CONST_P) \ |
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282 | (((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \ |
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283 | | ((_UB_CONST_P) ? 0 : 2) \ |
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284 | | ((_LB_CONST_P) ? 0 : 1)) |
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285 | |
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286 | /* Source language names and codes. */ |
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287 | |
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288 | enum dwarf_source_language { |
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289 | LANG_C89 = 0x00000001, |
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290 | LANG_C = 0x00000002, |
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291 | LANG_ADA83 = 0x00000003, |
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292 | LANG_C_PLUS_PLUS = 0x00000004, |
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293 | LANG_COBOL74 = 0x00000005, |
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294 | LANG_COBOL85 = 0x00000006, |
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295 | LANG_FORTRAN77 = 0x00000007, |
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296 | LANG_FORTRAN90 = 0x00000008, |
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297 | LANG_PASCAL83 = 0x00000009, |
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298 | LANG_MODULA2 = 0x0000000a |
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299 | }; |
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300 | |
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301 | #define LANG_lo_user 0x00008000 /* implementation-defined range start */ |
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302 | #define LANG_hi_user 0x0000ffff /* implementation-defined range end */ |
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303 | |
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304 | /* Names and codes for GNU "macinfo" extension. */ |
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305 | |
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306 | enum dwarf_macinfo_record_type { |
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307 | MACINFO_start = 's', |
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308 | MACINFO_resume = 'r', |
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309 | MACINFO_define = 'd', |
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310 | MACINFO_undef = 'u' |
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311 | }; |
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