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5217 | serge | 1 | /* debug.c -- Handle generic debugging information. |
2 | Copyright 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2005, 2007, |
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3 | 2009 Free Software Foundation, Inc. |
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4 | Written by Ian Lance Taylor |
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5 | |||
6 | This file is part of GNU Binutils. |
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7 | |||
8 | This program is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation; either version 3 of the License, or |
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11 | (at your option) any later version. |
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12 | |||
13 | This program is distributed in the hope that it will be useful, |
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | GNU General Public License for more details. |
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17 | |||
18 | You should have received a copy of the GNU General Public License |
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19 | along with this program; if not, write to the Free Software |
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20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA |
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21 | 02110-1301, USA. */ |
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22 | |||
23 | |||
24 | /* This file implements a generic debugging format. We may eventually |
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25 | have readers which convert different formats into this generic |
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26 | format, and writers which write it out. The initial impetus for |
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27 | this was writing a converter from stabs to HP IEEE-695 debugging |
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28 | format. */ |
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29 | |||
30 | #include "sysdep.h" |
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31 | #include |
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32 | #include "bfd.h" |
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33 | #include "libiberty.h" |
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34 | #include "filenames.h" |
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35 | #include "debug.h" |
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36 | |||
37 | /* Global information we keep for debugging. A pointer to this |
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38 | structure is the debugging handle passed to all the routines. */ |
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39 | |||
40 | struct debug_handle |
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41 | { |
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42 | /* A linked list of compilation units. */ |
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43 | struct debug_unit *units; |
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44 | /* The current compilation unit. */ |
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45 | struct debug_unit *current_unit; |
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46 | /* The current source file. */ |
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47 | struct debug_file *current_file; |
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48 | /* The current function. */ |
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49 | struct debug_function *current_function; |
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50 | /* The current block. */ |
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51 | struct debug_block *current_block; |
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52 | /* The current line number information for the current unit. */ |
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53 | struct debug_lineno *current_lineno; |
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54 | /* Mark. This is used by debug_write. */ |
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55 | unsigned int mark; |
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56 | /* A struct/class ID used by debug_write. */ |
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57 | unsigned int class_id; |
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58 | /* The base for class_id for this call to debug_write. */ |
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59 | unsigned int base_id; |
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60 | /* The current line number in debug_write. */ |
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61 | struct debug_lineno *current_write_lineno; |
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62 | unsigned int current_write_lineno_index; |
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63 | /* A list of classes which have assigned ID's during debug_write. |
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64 | This is linked through the next_id field of debug_class_type. */ |
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65 | struct debug_class_id *id_list; |
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66 | /* A list used to avoid recursion during debug_type_samep. */ |
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67 | struct debug_type_compare_list *compare_list; |
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68 | }; |
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69 | |||
70 | /* Information we keep for a single compilation unit. */ |
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71 | |||
72 | struct debug_unit |
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73 | { |
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74 | /* The next compilation unit. */ |
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75 | struct debug_unit *next; |
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76 | /* A list of files included in this compilation unit. The first |
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77 | file is always the main one, and that is where the main file name |
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78 | is stored. */ |
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79 | struct debug_file *files; |
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80 | /* Line number information for this compilation unit. This is not |
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81 | stored by function, because assembler code may have line number |
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82 | information without function information. */ |
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83 | struct debug_lineno *linenos; |
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84 | }; |
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85 | |||
86 | /* Information kept for a single source file. */ |
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87 | |||
88 | struct debug_file |
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89 | { |
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90 | /* The next source file in this compilation unit. */ |
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91 | struct debug_file *next; |
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92 | /* The name of the source file. */ |
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93 | const char *filename; |
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94 | /* Global functions, variables, types, etc. */ |
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95 | struct debug_namespace *globals; |
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96 | }; |
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97 | |||
98 | /* A type. */ |
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99 | |||
100 | struct debug_type_s |
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101 | { |
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102 | /* Kind of type. */ |
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103 | enum debug_type_kind kind; |
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104 | /* Size of type (0 if not known). */ |
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105 | unsigned int size; |
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106 | /* Type which is a pointer to this type. */ |
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107 | debug_type pointer; |
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108 | /* Tagged union with additional information about the type. */ |
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109 | union |
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110 | { |
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111 | /* DEBUG_KIND_INDIRECT. */ |
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112 | struct debug_indirect_type *kindirect; |
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113 | /* DEBUG_KIND_INT. */ |
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114 | /* Whether the integer is unsigned. */ |
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115 | bfd_boolean kint; |
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116 | /* DEBUG_KIND_STRUCT, DEBUG_KIND_UNION, DEBUG_KIND_CLASS, |
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117 | DEBUG_KIND_UNION_CLASS. */ |
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118 | struct debug_class_type *kclass; |
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119 | /* DEBUG_KIND_ENUM. */ |
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120 | struct debug_enum_type *kenum; |
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121 | /* DEBUG_KIND_POINTER. */ |
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122 | struct debug_type_s *kpointer; |
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123 | /* DEBUG_KIND_FUNCTION. */ |
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124 | struct debug_function_type *kfunction; |
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125 | /* DEBUG_KIND_REFERENCE. */ |
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126 | struct debug_type_s *kreference; |
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127 | /* DEBUG_KIND_RANGE. */ |
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128 | struct debug_range_type *krange; |
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129 | /* DEBUG_KIND_ARRAY. */ |
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130 | struct debug_array_type *karray; |
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131 | /* DEBUG_KIND_SET. */ |
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132 | struct debug_set_type *kset; |
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133 | /* DEBUG_KIND_OFFSET. */ |
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134 | struct debug_offset_type *koffset; |
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135 | /* DEBUG_KIND_METHOD. */ |
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136 | struct debug_method_type *kmethod; |
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137 | /* DEBUG_KIND_CONST. */ |
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138 | struct debug_type_s *kconst; |
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139 | /* DEBUG_KIND_VOLATILE. */ |
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140 | struct debug_type_s *kvolatile; |
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141 | /* DEBUG_KIND_NAMED, DEBUG_KIND_TAGGED. */ |
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142 | struct debug_named_type *knamed; |
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143 | } u; |
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144 | }; |
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145 | |||
146 | /* Information kept for an indirect type. */ |
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147 | |||
148 | struct debug_indirect_type |
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149 | { |
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150 | /* Slot where the final type will appear. */ |
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151 | debug_type *slot; |
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152 | /* Tag. */ |
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153 | const char *tag; |
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154 | }; |
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155 | |||
156 | /* Information kept for a struct, union, or class. */ |
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157 | |||
158 | struct debug_class_type |
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159 | { |
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160 | /* NULL terminated array of fields. */ |
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161 | debug_field *fields; |
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162 | /* A mark field which indicates whether the struct has already been |
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163 | printed. */ |
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164 | unsigned int mark; |
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165 | /* This is used to uniquely identify unnamed structs when printing. */ |
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166 | unsigned int id; |
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167 | /* The remaining fields are only used for DEBUG_KIND_CLASS and |
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168 | DEBUG_KIND_UNION_CLASS. */ |
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169 | /* NULL terminated array of base classes. */ |
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170 | debug_baseclass *baseclasses; |
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171 | /* NULL terminated array of methods. */ |
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172 | debug_method *methods; |
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173 | /* The type of the class providing the virtual function table for |
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174 | this class. This may point to the type itself. */ |
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175 | debug_type vptrbase; |
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176 | }; |
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177 | |||
178 | /* Information kept for an enum. */ |
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179 | |||
180 | struct debug_enum_type |
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181 | { |
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182 | /* NULL terminated array of names. */ |
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183 | const char **names; |
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184 | /* Array of corresponding values. */ |
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185 | bfd_signed_vma *values; |
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186 | }; |
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187 | |||
188 | /* Information kept for a function. FIXME: We should be able to |
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189 | record the parameter types. */ |
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190 | |||
191 | struct debug_function_type |
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192 | { |
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193 | /* Return type. */ |
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194 | debug_type return_type; |
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195 | /* NULL terminated array of argument types. */ |
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196 | debug_type *arg_types; |
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197 | /* Whether the function takes a variable number of arguments. */ |
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198 | bfd_boolean varargs; |
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199 | }; |
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200 | |||
201 | /* Information kept for a range. */ |
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202 | |||
203 | struct debug_range_type |
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204 | { |
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205 | /* Range base type. */ |
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206 | debug_type type; |
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207 | /* Lower bound. */ |
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208 | bfd_signed_vma lower; |
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209 | /* Upper bound. */ |
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210 | bfd_signed_vma upper; |
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211 | }; |
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212 | |||
213 | /* Information kept for an array. */ |
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214 | |||
215 | struct debug_array_type |
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216 | { |
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217 | /* Element type. */ |
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218 | debug_type element_type; |
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219 | /* Range type. */ |
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220 | debug_type range_type; |
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221 | /* Lower bound. */ |
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222 | bfd_signed_vma lower; |
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223 | /* Upper bound. */ |
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224 | bfd_signed_vma upper; |
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225 | /* Whether this array is really a string. */ |
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226 | bfd_boolean stringp; |
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227 | }; |
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228 | |||
229 | /* Information kept for a set. */ |
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230 | |||
231 | struct debug_set_type |
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232 | { |
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233 | /* Base type. */ |
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234 | debug_type type; |
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235 | /* Whether this set is really a bitstring. */ |
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236 | bfd_boolean bitstringp; |
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237 | }; |
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238 | |||
239 | /* Information kept for an offset type (a based pointer). */ |
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240 | |||
241 | struct debug_offset_type |
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242 | { |
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243 | /* The type the pointer is an offset from. */ |
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244 | debug_type base_type; |
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245 | /* The type the pointer points to. */ |
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246 | debug_type target_type; |
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247 | }; |
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248 | |||
249 | /* Information kept for a method type. */ |
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250 | |||
251 | struct debug_method_type |
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252 | { |
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253 | /* The return type. */ |
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254 | debug_type return_type; |
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255 | /* The object type which this method is for. */ |
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256 | debug_type domain_type; |
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257 | /* A NULL terminated array of argument types. */ |
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258 | debug_type *arg_types; |
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259 | /* Whether the method takes a variable number of arguments. */ |
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260 | bfd_boolean varargs; |
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261 | }; |
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262 | |||
263 | /* Information kept for a named type. */ |
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264 | |||
265 | struct debug_named_type |
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266 | { |
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267 | /* Name. */ |
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268 | struct debug_name *name; |
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269 | /* Real type. */ |
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270 | debug_type type; |
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271 | }; |
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272 | |||
273 | /* A field in a struct or union. */ |
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274 | |||
275 | struct debug_field_s |
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276 | { |
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277 | /* Name of the field. */ |
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278 | const char *name; |
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279 | /* Type of the field. */ |
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280 | struct debug_type_s *type; |
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281 | /* Visibility of the field. */ |
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282 | enum debug_visibility visibility; |
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283 | /* Whether this is a static member. */ |
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284 | bfd_boolean static_member; |
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285 | union |
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286 | { |
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287 | /* If static_member is false. */ |
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288 | struct |
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289 | { |
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290 | /* Bit position of the field in the struct. */ |
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291 | unsigned int bitpos; |
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292 | /* Size of the field in bits. */ |
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293 | unsigned int bitsize; |
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294 | } f; |
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295 | /* If static_member is true. */ |
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296 | struct |
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297 | { |
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298 | const char *physname; |
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299 | } s; |
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300 | } u; |
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301 | }; |
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302 | |||
303 | /* A base class for an object. */ |
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304 | |||
305 | struct debug_baseclass_s |
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306 | { |
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307 | /* Type of the base class. */ |
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308 | struct debug_type_s *type; |
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309 | /* Bit position of the base class in the object. */ |
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310 | unsigned int bitpos; |
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311 | /* Whether the base class is virtual. */ |
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312 | bfd_boolean is_virtual; |
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313 | /* Visibility of the base class. */ |
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314 | enum debug_visibility visibility; |
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315 | }; |
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316 | |||
317 | /* A method of an object. */ |
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318 | |||
319 | struct debug_method_s |
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320 | { |
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321 | /* The name of the method. */ |
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322 | const char *name; |
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323 | /* A NULL terminated array of different types of variants. */ |
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324 | struct debug_method_variant_s **variants; |
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325 | }; |
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326 | |||
327 | /* The variants of a method function of an object. These indicate |
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328 | which method to run. */ |
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329 | |||
330 | struct debug_method_variant_s |
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331 | { |
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332 | /* The physical name of the function. */ |
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333 | const char *physname; |
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334 | /* The type of the function. */ |
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335 | struct debug_type_s *type; |
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336 | /* The visibility of the function. */ |
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337 | enum debug_visibility visibility; |
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338 | /* Whether the function is const. */ |
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339 | bfd_boolean constp; |
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340 | /* Whether the function is volatile. */ |
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341 | bfd_boolean volatilep; |
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342 | /* The offset to the function in the virtual function table. */ |
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343 | bfd_vma voffset; |
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344 | /* If voffset is VOFFSET_STATIC_METHOD, this is a static method. */ |
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345 | #define VOFFSET_STATIC_METHOD ((bfd_vma) -1) |
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346 | /* Context of a virtual method function. */ |
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347 | struct debug_type_s *context; |
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348 | }; |
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349 | |||
350 | /* A variable. This is the information we keep for a variable object. |
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351 | This has no name; a name is associated with a variable in a |
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352 | debug_name structure. */ |
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353 | |||
354 | struct debug_variable |
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355 | { |
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356 | /* Kind of variable. */ |
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357 | enum debug_var_kind kind; |
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358 | /* Type. */ |
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359 | debug_type type; |
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360 | /* Value. The interpretation of the value depends upon kind. */ |
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361 | bfd_vma val; |
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362 | }; |
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363 | |||
364 | /* A function. This has no name; a name is associated with a function |
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365 | in a debug_name structure. */ |
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366 | |||
367 | struct debug_function |
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368 | { |
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369 | /* Return type. */ |
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370 | debug_type return_type; |
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371 | /* Parameter information. */ |
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372 | struct debug_parameter *parameters; |
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373 | /* Block information. The first structure on the list is the main |
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374 | block of the function, and describes function local variables. */ |
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375 | struct debug_block *blocks; |
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376 | }; |
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377 | |||
378 | /* A function parameter. */ |
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379 | |||
380 | struct debug_parameter |
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381 | { |
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382 | /* Next parameter. */ |
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383 | struct debug_parameter *next; |
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384 | /* Name. */ |
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385 | const char *name; |
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386 | /* Type. */ |
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387 | debug_type type; |
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388 | /* Kind. */ |
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389 | enum debug_parm_kind kind; |
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390 | /* Value (meaning depends upon kind). */ |
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391 | bfd_vma val; |
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392 | }; |
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393 | |||
394 | /* A typed constant. */ |
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395 | |||
396 | struct debug_typed_constant |
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397 | { |
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398 | /* Type. */ |
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399 | debug_type type; |
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400 | /* Value. FIXME: We may eventually need to support non-integral |
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401 | values. */ |
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402 | bfd_vma val; |
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403 | }; |
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404 | |||
405 | /* Information about a block within a function. */ |
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406 | |||
407 | struct debug_block |
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408 | { |
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409 | /* Next block with the same parent. */ |
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410 | struct debug_block *next; |
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411 | /* Parent block. */ |
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412 | struct debug_block *parent; |
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413 | /* List of child blocks. */ |
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414 | struct debug_block *children; |
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415 | /* Start address of the block. */ |
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416 | bfd_vma start; |
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417 | /* End address of the block. */ |
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418 | bfd_vma end; |
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419 | /* Local variables. */ |
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420 | struct debug_namespace *locals; |
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421 | }; |
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422 | |||
423 | /* Line number information we keep for a compilation unit. FIXME: |
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424 | This structure is easy to create, but can be very space |
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425 | inefficient. */ |
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426 | |||
427 | struct debug_lineno |
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428 | { |
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429 | /* More line number information for this block. */ |
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430 | struct debug_lineno *next; |
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431 | /* Source file. */ |
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432 | struct debug_file *file; |
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433 | /* Line numbers, terminated by a -1 or the end of the array. */ |
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434 | #define DEBUG_LINENO_COUNT 10 |
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435 | unsigned long linenos[DEBUG_LINENO_COUNT]; |
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436 | /* Addresses for the line numbers. */ |
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437 | bfd_vma addrs[DEBUG_LINENO_COUNT]; |
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438 | }; |
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439 | |||
440 | /* A namespace. This is a mapping from names to objects. FIXME: This |
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441 | should be implemented as a hash table. */ |
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442 | |||
443 | struct debug_namespace |
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444 | { |
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445 | /* List of items in this namespace. */ |
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446 | struct debug_name *list; |
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447 | /* Pointer to where the next item in this namespace should go. */ |
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448 | struct debug_name **tail; |
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449 | }; |
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450 | |||
451 | /* Kinds of objects that appear in a namespace. */ |
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452 | |||
453 | enum debug_object_kind |
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454 | { |
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455 | /* A type. */ |
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456 | DEBUG_OBJECT_TYPE, |
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457 | /* A tagged type (really a different sort of namespace). */ |
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458 | DEBUG_OBJECT_TAG, |
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459 | /* A variable. */ |
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460 | DEBUG_OBJECT_VARIABLE, |
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461 | /* A function. */ |
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462 | DEBUG_OBJECT_FUNCTION, |
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463 | /* An integer constant. */ |
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464 | DEBUG_OBJECT_INT_CONSTANT, |
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465 | /* A floating point constant. */ |
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466 | DEBUG_OBJECT_FLOAT_CONSTANT, |
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467 | /* A typed constant. */ |
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468 | DEBUG_OBJECT_TYPED_CONSTANT |
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469 | }; |
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470 | |||
471 | /* Linkage of an object that appears in a namespace. */ |
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472 | |||
473 | enum debug_object_linkage |
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474 | { |
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475 | /* Local variable. */ |
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476 | DEBUG_LINKAGE_AUTOMATIC, |
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477 | /* Static--either file static or function static, depending upon the |
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478 | namespace is. */ |
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479 | DEBUG_LINKAGE_STATIC, |
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480 | /* Global. */ |
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481 | DEBUG_LINKAGE_GLOBAL, |
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482 | /* No linkage. */ |
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483 | DEBUG_LINKAGE_NONE |
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484 | }; |
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485 | |||
486 | /* A name in a namespace. */ |
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487 | |||
488 | struct debug_name |
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489 | { |
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490 | /* Next name in this namespace. */ |
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491 | struct debug_name *next; |
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492 | /* Name. */ |
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493 | const char *name; |
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494 | /* Mark. This is used by debug_write. */ |
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495 | unsigned int mark; |
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496 | /* Kind of object. */ |
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497 | enum debug_object_kind kind; |
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498 | /* Linkage of object. */ |
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499 | enum debug_object_linkage linkage; |
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500 | /* Tagged union with additional information about the object. */ |
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501 | union |
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502 | { |
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503 | /* DEBUG_OBJECT_TYPE. */ |
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504 | struct debug_type_s *type; |
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505 | /* DEBUG_OBJECT_TAG. */ |
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506 | struct debug_type_s *tag; |
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507 | /* DEBUG_OBJECT_VARIABLE. */ |
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508 | struct debug_variable *variable; |
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509 | /* DEBUG_OBJECT_FUNCTION. */ |
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510 | struct debug_function *function; |
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511 | /* DEBUG_OBJECT_INT_CONSTANT. */ |
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512 | bfd_vma int_constant; |
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513 | /* DEBUG_OBJECT_FLOAT_CONSTANT. */ |
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514 | double float_constant; |
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515 | /* DEBUG_OBJECT_TYPED_CONSTANT. */ |
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516 | struct debug_typed_constant *typed_constant; |
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517 | } u; |
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518 | }; |
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519 | |||
520 | /* During debug_write, a linked list of these structures is used to |
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521 | keep track of ID numbers that have been assigned to classes. */ |
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522 | |||
523 | struct debug_class_id |
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524 | { |
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525 | /* Next ID number. */ |
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526 | struct debug_class_id *next; |
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527 | /* The type with the ID. */ |
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528 | struct debug_type_s *type; |
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529 | /* The tag; NULL if no tag. */ |
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530 | const char *tag; |
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531 | }; |
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532 | |||
533 | /* During debug_type_samep, a linked list of these structures is kept |
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534 | on the stack to avoid infinite recursion. */ |
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535 | |||
536 | struct debug_type_compare_list |
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537 | { |
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538 | /* Next type on list. */ |
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539 | struct debug_type_compare_list *next; |
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540 | /* The types we are comparing. */ |
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541 | struct debug_type_s *t1; |
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542 | struct debug_type_s *t2; |
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543 | }; |
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544 | |||
545 | /* During debug_get_real_type, a linked list of these structures is |
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546 | kept on the stack to avoid infinite recursion. */ |
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547 | |||
548 | struct debug_type_real_list |
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549 | { |
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550 | /* Next type on list. */ |
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551 | struct debug_type_real_list *next; |
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552 | /* The type we are checking. */ |
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553 | struct debug_type_s *t; |
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554 | }; |
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555 | |||
556 | /* Local functions. */ |
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557 | |||
558 | static void debug_error (const char *); |
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559 | static struct debug_name *debug_add_to_namespace |
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560 | (struct debug_handle *, struct debug_namespace **, const char *, |
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561 | enum debug_object_kind, enum debug_object_linkage); |
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562 | static struct debug_name *debug_add_to_current_namespace |
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563 | (struct debug_handle *, const char *, enum debug_object_kind, |
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564 | enum debug_object_linkage); |
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565 | static struct debug_type_s *debug_make_type |
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566 | (struct debug_handle *, enum debug_type_kind, unsigned int); |
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567 | static struct debug_type_s *debug_get_real_type |
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568 | (void *, debug_type, struct debug_type_real_list *); |
||
569 | static bfd_boolean debug_write_name |
||
570 | (struct debug_handle *, const struct debug_write_fns *, void *, |
||
571 | struct debug_name *); |
||
572 | static bfd_boolean debug_write_type |
||
573 | (struct debug_handle *, const struct debug_write_fns *, void *, |
||
574 | struct debug_type_s *, struct debug_name *); |
||
575 | static bfd_boolean debug_write_class_type |
||
576 | (struct debug_handle *, const struct debug_write_fns *, void *, |
||
577 | struct debug_type_s *, const char *); |
||
578 | static bfd_boolean debug_write_function |
||
579 | (struct debug_handle *, const struct debug_write_fns *, void *, |
||
580 | const char *, enum debug_object_linkage, struct debug_function *); |
||
581 | static bfd_boolean debug_write_block |
||
582 | (struct debug_handle *, const struct debug_write_fns *, void *, |
||
583 | struct debug_block *); |
||
584 | static bfd_boolean debug_write_linenos |
||
585 | (struct debug_handle *, const struct debug_write_fns *, void *, bfd_vma); |
||
586 | static bfd_boolean debug_set_class_id |
||
587 | (struct debug_handle *, const char *, struct debug_type_s *); |
||
588 | static bfd_boolean debug_type_samep |
||
589 | (struct debug_handle *, struct debug_type_s *, struct debug_type_s *); |
||
590 | static bfd_boolean debug_class_type_samep |
||
591 | (struct debug_handle *, struct debug_type_s *, struct debug_type_s *); |
||
592 | |||
593 | /* Issue an error message. */ |
||
594 | |||
595 | static void |
||
596 | debug_error (const char *message) |
||
597 | { |
||
598 | fprintf (stderr, "%s\n", message); |
||
599 | } |
||
600 | |||
601 | /* Add an object to a namespace. */ |
||
602 | |||
603 | static struct debug_name * |
||
604 | debug_add_to_namespace (struct debug_handle *info ATTRIBUTE_UNUSED, |
||
605 | struct debug_namespace **nsp, const char *name, |
||
606 | enum debug_object_kind kind, |
||
607 | enum debug_object_linkage linkage) |
||
608 | { |
||
609 | struct debug_name *n; |
||
610 | struct debug_namespace *ns; |
||
611 | |||
612 | n = (struct debug_name *) xmalloc (sizeof *n); |
||
613 | memset (n, 0, sizeof *n); |
||
614 | |||
615 | n->name = name; |
||
616 | n->kind = kind; |
||
617 | n->linkage = linkage; |
||
618 | |||
619 | ns = *nsp; |
||
620 | if (ns == NULL) |
||
621 | { |
||
622 | ns = (struct debug_namespace *) xmalloc (sizeof *ns); |
||
623 | memset (ns, 0, sizeof *ns); |
||
624 | |||
625 | ns->tail = &ns->list; |
||
626 | |||
627 | *nsp = ns; |
||
628 | } |
||
629 | |||
630 | *ns->tail = n; |
||
631 | ns->tail = &n->next; |
||
632 | |||
633 | return n; |
||
634 | } |
||
635 | |||
636 | /* Add an object to the current namespace. */ |
||
637 | |||
638 | static struct debug_name * |
||
639 | debug_add_to_current_namespace (struct debug_handle *info, const char *name, |
||
640 | enum debug_object_kind kind, |
||
641 | enum debug_object_linkage linkage) |
||
642 | { |
||
643 | struct debug_namespace **nsp; |
||
644 | |||
645 | if (info->current_unit == NULL |
||
646 | || info->current_file == NULL) |
||
647 | { |
||
648 | debug_error (_("debug_add_to_current_namespace: no current file")); |
||
649 | return NULL; |
||
650 | } |
||
651 | |||
652 | if (info->current_block != NULL) |
||
653 | nsp = &info->current_block->locals; |
||
654 | else |
||
655 | nsp = &info->current_file->globals; |
||
656 | |||
657 | return debug_add_to_namespace (info, nsp, name, kind, linkage); |
||
658 | } |
||
659 | |||
660 | /* Return a handle for debugging information. */ |
||
661 | |||
662 | void * |
||
663 | debug_init (void) |
||
664 | { |
||
665 | struct debug_handle *ret; |
||
666 | |||
667 | ret = (struct debug_handle *) xmalloc (sizeof *ret); |
||
668 | memset (ret, 0, sizeof *ret); |
||
669 | return (void *) ret; |
||
670 | } |
||
671 | |||
672 | /* Set the source filename. This implicitly starts a new compilation |
||
673 | unit. */ |
||
674 | |||
675 | bfd_boolean |
||
676 | debug_set_filename (void *handle, const char *name) |
||
677 | { |
||
678 | struct debug_handle *info = (struct debug_handle *) handle; |
||
679 | struct debug_file *nfile; |
||
680 | struct debug_unit *nunit; |
||
681 | |||
682 | if (name == NULL) |
||
683 | name = ""; |
||
684 | |||
685 | nfile = (struct debug_file *) xmalloc (sizeof *nfile); |
||
686 | memset (nfile, 0, sizeof *nfile); |
||
687 | |||
688 | nfile->filename = name; |
||
689 | |||
690 | nunit = (struct debug_unit *) xmalloc (sizeof *nunit); |
||
691 | memset (nunit, 0, sizeof *nunit); |
||
692 | |||
693 | nunit->files = nfile; |
||
694 | info->current_file = nfile; |
||
695 | |||
696 | if (info->current_unit != NULL) |
||
697 | info->current_unit->next = nunit; |
||
698 | else |
||
699 | { |
||
700 | assert (info->units == NULL); |
||
701 | info->units = nunit; |
||
702 | } |
||
703 | |||
704 | info->current_unit = nunit; |
||
705 | |||
706 | info->current_function = NULL; |
||
707 | info->current_block = NULL; |
||
708 | info->current_lineno = NULL; |
||
709 | |||
710 | return TRUE; |
||
711 | } |
||
712 | |||
713 | /* Change source files to the given file name. This is used for |
||
714 | include files in a single compilation unit. */ |
||
715 | |||
716 | bfd_boolean |
||
717 | debug_start_source (void *handle, const char *name) |
||
718 | { |
||
719 | struct debug_handle *info = (struct debug_handle *) handle; |
||
720 | struct debug_file *f, **pf; |
||
721 | |||
722 | if (name == NULL) |
||
723 | name = ""; |
||
724 | |||
725 | if (info->current_unit == NULL) |
||
726 | { |
||
727 | debug_error (_("debug_start_source: no debug_set_filename call")); |
||
728 | return FALSE; |
||
729 | } |
||
730 | |||
731 | for (f = info->current_unit->files; f != NULL; f = f->next) |
||
732 | { |
||
733 | if (filename_cmp (f->filename, name) == 0) |
||
734 | { |
||
735 | info->current_file = f; |
||
736 | return TRUE; |
||
737 | } |
||
738 | } |
||
739 | |||
740 | f = (struct debug_file *) xmalloc (sizeof *f); |
||
741 | memset (f, 0, sizeof *f); |
||
742 | |||
743 | f->filename = name; |
||
744 | |||
745 | for (pf = &info->current_file->next; |
||
746 | *pf != NULL; |
||
747 | pf = &(*pf)->next) |
||
748 | ; |
||
749 | *pf = f; |
||
750 | |||
751 | info->current_file = f; |
||
752 | |||
753 | return TRUE; |
||
754 | } |
||
755 | |||
756 | /* Record a function definition. This implicitly starts a function |
||
757 | block. The debug_type argument is the type of the return value. |
||
758 | The boolean indicates whether the function is globally visible. |
||
759 | The bfd_vma is the address of the start of the function. Currently |
||
760 | the parameter types are specified by calls to |
||
761 | debug_record_parameter. FIXME: There is no way to specify nested |
||
762 | functions. */ |
||
763 | |||
764 | bfd_boolean |
||
765 | debug_record_function (void *handle, const char *name, |
||
766 | debug_type return_type, bfd_boolean global, |
||
767 | bfd_vma addr) |
||
768 | { |
||
769 | struct debug_handle *info = (struct debug_handle *) handle; |
||
770 | struct debug_function *f; |
||
771 | struct debug_block *b; |
||
772 | struct debug_name *n; |
||
773 | |||
774 | if (name == NULL) |
||
775 | name = ""; |
||
776 | if (return_type == NULL) |
||
777 | return FALSE; |
||
778 | |||
779 | if (info->current_unit == NULL) |
||
780 | { |
||
781 | debug_error (_("debug_record_function: no debug_set_filename call")); |
||
782 | return FALSE; |
||
783 | } |
||
784 | |||
785 | f = (struct debug_function *) xmalloc (sizeof *f); |
||
786 | memset (f, 0, sizeof *f); |
||
787 | |||
788 | f->return_type = return_type; |
||
789 | |||
790 | b = (struct debug_block *) xmalloc (sizeof *b); |
||
791 | memset (b, 0, sizeof *b); |
||
792 | |||
793 | b->start = addr; |
||
794 | b->end = (bfd_vma) -1; |
||
795 | |||
796 | f->blocks = b; |
||
797 | |||
798 | info->current_function = f; |
||
799 | info->current_block = b; |
||
800 | |||
801 | /* FIXME: If we could handle nested functions, this would be the |
||
802 | place: we would want to use a different namespace. */ |
||
803 | n = debug_add_to_namespace (info, |
||
804 | &info->current_file->globals, |
||
805 | name, |
||
806 | DEBUG_OBJECT_FUNCTION, |
||
807 | (global |
||
808 | ? DEBUG_LINKAGE_GLOBAL |
||
809 | : DEBUG_LINKAGE_STATIC)); |
||
810 | if (n == NULL) |
||
811 | return FALSE; |
||
812 | |||
813 | n->u.function = f; |
||
814 | |||
815 | return TRUE; |
||
816 | } |
||
817 | |||
818 | /* Record a parameter for the current function. */ |
||
819 | |||
820 | bfd_boolean |
||
821 | debug_record_parameter (void *handle, const char *name, debug_type type, |
||
822 | enum debug_parm_kind kind, bfd_vma val) |
||
823 | { |
||
824 | struct debug_handle *info = (struct debug_handle *) handle; |
||
825 | struct debug_parameter *p, **pp; |
||
826 | |||
827 | if (name == NULL || type == NULL) |
||
828 | return FALSE; |
||
829 | |||
830 | if (info->current_unit == NULL |
||
831 | || info->current_function == NULL) |
||
832 | { |
||
833 | debug_error (_("debug_record_parameter: no current function")); |
||
834 | return FALSE; |
||
835 | } |
||
836 | |||
837 | p = (struct debug_parameter *) xmalloc (sizeof *p); |
||
838 | memset (p, 0, sizeof *p); |
||
839 | |||
840 | p->name = name; |
||
841 | p->type = type; |
||
842 | p->kind = kind; |
||
843 | p->val = val; |
||
844 | |||
845 | for (pp = &info->current_function->parameters; |
||
846 | *pp != NULL; |
||
847 | pp = &(*pp)->next) |
||
848 | ; |
||
849 | *pp = p; |
||
850 | |||
851 | return TRUE; |
||
852 | } |
||
853 | |||
854 | /* End a function. FIXME: This should handle function nesting. */ |
||
855 | |||
856 | bfd_boolean |
||
857 | debug_end_function (void *handle, bfd_vma addr) |
||
858 | { |
||
859 | struct debug_handle *info = (struct debug_handle *) handle; |
||
860 | |||
861 | if (info->current_unit == NULL |
||
862 | || info->current_block == NULL |
||
863 | || info->current_function == NULL) |
||
864 | { |
||
865 | debug_error (_("debug_end_function: no current function")); |
||
866 | return FALSE; |
||
867 | } |
||
868 | |||
869 | if (info->current_block->parent != NULL) |
||
870 | { |
||
871 | debug_error (_("debug_end_function: some blocks were not closed")); |
||
872 | return FALSE; |
||
873 | } |
||
874 | |||
875 | info->current_block->end = addr; |
||
876 | |||
877 | info->current_function = NULL; |
||
878 | info->current_block = NULL; |
||
879 | |||
880 | return TRUE; |
||
881 | } |
||
882 | |||
883 | /* Start a block in a function. All local information will be |
||
884 | recorded in this block, until the matching call to debug_end_block. |
||
885 | debug_start_block and debug_end_block may be nested. The bfd_vma |
||
886 | argument is the address at which this block starts. */ |
||
887 | |||
888 | bfd_boolean |
||
889 | debug_start_block (void *handle, bfd_vma addr) |
||
890 | { |
||
891 | struct debug_handle *info = (struct debug_handle *) handle; |
||
892 | struct debug_block *b, **pb; |
||
893 | |||
894 | /* We must always have a current block: debug_record_function sets |
||
895 | one up. */ |
||
896 | if (info->current_unit == NULL |
||
897 | || info->current_block == NULL) |
||
898 | { |
||
899 | debug_error (_("debug_start_block: no current block")); |
||
900 | return FALSE; |
||
901 | } |
||
902 | |||
903 | b = (struct debug_block *) xmalloc (sizeof *b); |
||
904 | memset (b, 0, sizeof *b); |
||
905 | |||
906 | b->parent = info->current_block; |
||
907 | b->start = addr; |
||
908 | b->end = (bfd_vma) -1; |
||
909 | |||
910 | /* This new block is a child of the current block. */ |
||
911 | for (pb = &info->current_block->children; |
||
912 | *pb != NULL; |
||
913 | pb = &(*pb)->next) |
||
914 | ; |
||
915 | *pb = b; |
||
916 | |||
917 | info->current_block = b; |
||
918 | |||
919 | return TRUE; |
||
920 | } |
||
921 | |||
922 | /* Finish a block in a function. This matches the call to |
||
923 | debug_start_block. The argument is the address at which this block |
||
924 | ends. */ |
||
925 | |||
926 | bfd_boolean |
||
927 | debug_end_block (void *handle, bfd_vma addr) |
||
928 | { |
||
929 | struct debug_handle *info = (struct debug_handle *) handle; |
||
930 | struct debug_block *parent; |
||
931 | |||
932 | if (info->current_unit == NULL |
||
933 | || info->current_block == NULL) |
||
934 | { |
||
935 | debug_error (_("debug_end_block: no current block")); |
||
936 | return FALSE; |
||
937 | } |
||
938 | |||
939 | parent = info->current_block->parent; |
||
940 | if (parent == NULL) |
||
941 | { |
||
942 | debug_error (_("debug_end_block: attempt to close top level block")); |
||
943 | return FALSE; |
||
944 | } |
||
945 | |||
946 | info->current_block->end = addr; |
||
947 | |||
948 | info->current_block = parent; |
||
949 | |||
950 | return TRUE; |
||
951 | } |
||
952 | |||
953 | /* Associate a line number in the current source file and function |
||
954 | with a given address. */ |
||
955 | |||
956 | bfd_boolean |
||
957 | debug_record_line (void *handle, unsigned long lineno, bfd_vma addr) |
||
958 | { |
||
959 | struct debug_handle *info = (struct debug_handle *) handle; |
||
960 | struct debug_lineno *l; |
||
961 | unsigned int i; |
||
962 | |||
963 | if (info->current_unit == NULL) |
||
964 | { |
||
965 | debug_error (_("debug_record_line: no current unit")); |
||
966 | return FALSE; |
||
967 | } |
||
968 | |||
969 | l = info->current_lineno; |
||
970 | if (l != NULL && l->file == info->current_file) |
||
971 | { |
||
972 | for (i = 0; i < DEBUG_LINENO_COUNT; i++) |
||
973 | { |
||
974 | if (l->linenos[i] == (unsigned long) -1) |
||
975 | { |
||
976 | l->linenos[i] = lineno; |
||
977 | l->addrs[i] = addr; |
||
978 | return TRUE; |
||
979 | } |
||
980 | } |
||
981 | } |
||
982 | |||
983 | /* If we get here, then either 1) there is no current_lineno |
||
984 | structure, which means this is the first line number in this |
||
985 | compilation unit, 2) the current_lineno structure is for a |
||
986 | different file, or 3) the current_lineno structure is full. |
||
987 | Regardless, we want to allocate a new debug_lineno structure, put |
||
988 | it in the right place, and make it the new current_lineno |
||
989 | structure. */ |
||
990 | |||
991 | l = (struct debug_lineno *) xmalloc (sizeof *l); |
||
992 | memset (l, 0, sizeof *l); |
||
993 | |||
994 | l->file = info->current_file; |
||
995 | l->linenos[0] = lineno; |
||
996 | l->addrs[0] = addr; |
||
997 | for (i = 1; i < DEBUG_LINENO_COUNT; i++) |
||
998 | l->linenos[i] = (unsigned long) -1; |
||
999 | |||
1000 | if (info->current_lineno != NULL) |
||
1001 | info->current_lineno->next = l; |
||
1002 | else |
||
1003 | info->current_unit->linenos = l; |
||
1004 | |||
1005 | info->current_lineno = l; |
||
1006 | |||
1007 | return TRUE; |
||
1008 | } |
||
1009 | |||
1010 | /* Start a named common block. This is a block of variables that may |
||
1011 | move in memory. */ |
||
1012 | |||
1013 | bfd_boolean |
||
1014 | debug_start_common_block (void *handle ATTRIBUTE_UNUSED, |
||
1015 | const char *name ATTRIBUTE_UNUSED) |
||
1016 | { |
||
1017 | /* FIXME */ |
||
1018 | debug_error (_("debug_start_common_block: not implemented")); |
||
1019 | return FALSE; |
||
1020 | } |
||
1021 | |||
1022 | /* End a named common block. */ |
||
1023 | |||
1024 | bfd_boolean |
||
1025 | debug_end_common_block (void *handle ATTRIBUTE_UNUSED, |
||
1026 | const char *name ATTRIBUTE_UNUSED) |
||
1027 | { |
||
1028 | /* FIXME */ |
||
1029 | debug_error (_("debug_end_common_block: not implemented")); |
||
1030 | return FALSE; |
||
1031 | } |
||
1032 | |||
1033 | /* Record a named integer constant. */ |
||
1034 | |||
1035 | bfd_boolean |
||
1036 | debug_record_int_const (void *handle, const char *name, bfd_vma val) |
||
1037 | { |
||
1038 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1039 | struct debug_name *n; |
||
1040 | |||
1041 | if (name == NULL) |
||
1042 | return FALSE; |
||
1043 | |||
1044 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_INT_CONSTANT, |
||
1045 | DEBUG_LINKAGE_NONE); |
||
1046 | if (n == NULL) |
||
1047 | return FALSE; |
||
1048 | |||
1049 | n->u.int_constant = val; |
||
1050 | |||
1051 | return TRUE; |
||
1052 | } |
||
1053 | |||
1054 | /* Record a named floating point constant. */ |
||
1055 | |||
1056 | bfd_boolean |
||
1057 | debug_record_float_const (void *handle, const char *name, double val) |
||
1058 | { |
||
1059 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1060 | struct debug_name *n; |
||
1061 | |||
1062 | if (name == NULL) |
||
1063 | return FALSE; |
||
1064 | |||
1065 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_FLOAT_CONSTANT, |
||
1066 | DEBUG_LINKAGE_NONE); |
||
1067 | if (n == NULL) |
||
1068 | return FALSE; |
||
1069 | |||
1070 | n->u.float_constant = val; |
||
1071 | |||
1072 | return TRUE; |
||
1073 | } |
||
1074 | |||
1075 | /* Record a typed constant with an integral value. */ |
||
1076 | |||
1077 | bfd_boolean |
||
1078 | debug_record_typed_const (void *handle, const char *name, debug_type type, |
||
1079 | bfd_vma val) |
||
1080 | { |
||
1081 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1082 | struct debug_name *n; |
||
1083 | struct debug_typed_constant *tc; |
||
1084 | |||
1085 | if (name == NULL || type == NULL) |
||
1086 | return FALSE; |
||
1087 | |||
1088 | n = debug_add_to_current_namespace (info, name, DEBUG_OBJECT_TYPED_CONSTANT, |
||
1089 | DEBUG_LINKAGE_NONE); |
||
1090 | if (n == NULL) |
||
1091 | return FALSE; |
||
1092 | |||
1093 | tc = (struct debug_typed_constant *) xmalloc (sizeof *tc); |
||
1094 | memset (tc, 0, sizeof *tc); |
||
1095 | |||
1096 | tc->type = type; |
||
1097 | tc->val = val; |
||
1098 | |||
1099 | n->u.typed_constant = tc; |
||
1100 | |||
1101 | return TRUE; |
||
1102 | } |
||
1103 | |||
1104 | /* Record a label. */ |
||
1105 | |||
1106 | bfd_boolean |
||
1107 | debug_record_label (void *handle ATTRIBUTE_UNUSED, |
||
1108 | const char *name ATTRIBUTE_UNUSED, |
||
1109 | debug_type type ATTRIBUTE_UNUSED, |
||
1110 | bfd_vma addr ATTRIBUTE_UNUSED) |
||
1111 | { |
||
1112 | /* FIXME. */ |
||
1113 | debug_error (_("debug_record_label: not implemented")); |
||
1114 | return FALSE; |
||
1115 | } |
||
1116 | |||
1117 | /* Record a variable. */ |
||
1118 | |||
1119 | bfd_boolean |
||
1120 | debug_record_variable (void *handle, const char *name, debug_type type, |
||
1121 | enum debug_var_kind kind, bfd_vma val) |
||
1122 | { |
||
1123 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1124 | struct debug_namespace **nsp; |
||
1125 | enum debug_object_linkage linkage; |
||
1126 | struct debug_name *n; |
||
1127 | struct debug_variable *v; |
||
1128 | |||
1129 | if (name == NULL || type == NULL) |
||
1130 | return FALSE; |
||
1131 | |||
1132 | if (info->current_unit == NULL |
||
1133 | || info->current_file == NULL) |
||
1134 | { |
||
1135 | debug_error (_("debug_record_variable: no current file")); |
||
1136 | return FALSE; |
||
1137 | } |
||
1138 | |||
1139 | if (kind == DEBUG_GLOBAL || kind == DEBUG_STATIC) |
||
1140 | { |
||
1141 | nsp = &info->current_file->globals; |
||
1142 | if (kind == DEBUG_GLOBAL) |
||
1143 | linkage = DEBUG_LINKAGE_GLOBAL; |
||
1144 | else |
||
1145 | linkage = DEBUG_LINKAGE_STATIC; |
||
1146 | } |
||
1147 | else |
||
1148 | { |
||
1149 | if (info->current_block == NULL) |
||
1150 | nsp = &info->current_file->globals; |
||
1151 | else |
||
1152 | nsp = &info->current_block->locals; |
||
1153 | linkage = DEBUG_LINKAGE_AUTOMATIC; |
||
1154 | } |
||
1155 | |||
1156 | n = debug_add_to_namespace (info, nsp, name, DEBUG_OBJECT_VARIABLE, linkage); |
||
1157 | if (n == NULL) |
||
1158 | return FALSE; |
||
1159 | |||
1160 | v = (struct debug_variable *) xmalloc (sizeof *v); |
||
1161 | memset (v, 0, sizeof *v); |
||
1162 | |||
1163 | v->kind = kind; |
||
1164 | v->type = type; |
||
1165 | v->val = val; |
||
1166 | |||
1167 | n->u.variable = v; |
||
1168 | |||
1169 | return TRUE; |
||
1170 | } |
||
1171 | |||
1172 | /* Make a type with a given kind and size. */ |
||
1173 | |||
1174 | static struct debug_type_s * |
||
1175 | debug_make_type (struct debug_handle *info ATTRIBUTE_UNUSED, |
||
1176 | enum debug_type_kind kind, unsigned int size) |
||
1177 | { |
||
1178 | struct debug_type_s *t; |
||
1179 | |||
1180 | t = (struct debug_type_s *) xmalloc (sizeof *t); |
||
1181 | memset (t, 0, sizeof *t); |
||
1182 | |||
1183 | t->kind = kind; |
||
1184 | t->size = size; |
||
1185 | |||
1186 | return t; |
||
1187 | } |
||
1188 | |||
1189 | /* Make an indirect type which may be used as a placeholder for a type |
||
1190 | which is referenced before it is defined. */ |
||
1191 | |||
1192 | debug_type |
||
1193 | debug_make_indirect_type (void *handle, debug_type *slot, const char *tag) |
||
1194 | { |
||
1195 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1196 | struct debug_type_s *t; |
||
1197 | struct debug_indirect_type *i; |
||
1198 | |||
1199 | t = debug_make_type (info, DEBUG_KIND_INDIRECT, 0); |
||
1200 | if (t == NULL) |
||
1201 | return DEBUG_TYPE_NULL; |
||
1202 | |||
1203 | i = (struct debug_indirect_type *) xmalloc (sizeof *i); |
||
1204 | memset (i, 0, sizeof *i); |
||
1205 | |||
1206 | i->slot = slot; |
||
1207 | i->tag = tag; |
||
1208 | |||
1209 | t->u.kindirect = i; |
||
1210 | |||
1211 | return t; |
||
1212 | } |
||
1213 | |||
1214 | /* Make a void type. There is only one of these. */ |
||
1215 | |||
1216 | debug_type |
||
1217 | debug_make_void_type (void *handle) |
||
1218 | { |
||
1219 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1220 | |||
1221 | return debug_make_type (info, DEBUG_KIND_VOID, 0); |
||
1222 | } |
||
1223 | |||
1224 | /* Make an integer type of a given size. The boolean argument is true |
||
1225 | if the integer is unsigned. */ |
||
1226 | |||
1227 | debug_type |
||
1228 | debug_make_int_type (void *handle, unsigned int size, bfd_boolean unsignedp) |
||
1229 | { |
||
1230 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1231 | struct debug_type_s *t; |
||
1232 | |||
1233 | t = debug_make_type (info, DEBUG_KIND_INT, size); |
||
1234 | if (t == NULL) |
||
1235 | return DEBUG_TYPE_NULL; |
||
1236 | |||
1237 | t->u.kint = unsignedp; |
||
1238 | |||
1239 | return t; |
||
1240 | } |
||
1241 | |||
1242 | /* Make a floating point type of a given size. FIXME: On some |
||
1243 | platforms, like an Alpha, you probably need to be able to specify |
||
1244 | the format. */ |
||
1245 | |||
1246 | debug_type |
||
1247 | debug_make_float_type (void *handle, unsigned int size) |
||
1248 | { |
||
1249 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1250 | |||
1251 | return debug_make_type (info, DEBUG_KIND_FLOAT, size); |
||
1252 | } |
||
1253 | |||
1254 | /* Make a boolean type of a given size. */ |
||
1255 | |||
1256 | debug_type |
||
1257 | debug_make_bool_type (void *handle, unsigned int size) |
||
1258 | { |
||
1259 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1260 | |||
1261 | return debug_make_type (info, DEBUG_KIND_BOOL, size); |
||
1262 | } |
||
1263 | |||
1264 | /* Make a complex type of a given size. */ |
||
1265 | |||
1266 | debug_type |
||
1267 | debug_make_complex_type (void *handle, unsigned int size) |
||
1268 | { |
||
1269 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1270 | |||
1271 | return debug_make_type (info, DEBUG_KIND_COMPLEX, size); |
||
1272 | } |
||
1273 | |||
1274 | /* Make a structure type. The second argument is true for a struct, |
||
1275 | false for a union. The third argument is the size of the struct. |
||
1276 | The fourth argument is a NULL terminated array of fields. */ |
||
1277 | |||
1278 | debug_type |
||
1279 | debug_make_struct_type (void *handle, bfd_boolean structp, bfd_vma size, |
||
1280 | debug_field *fields) |
||
1281 | { |
||
1282 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1283 | struct debug_type_s *t; |
||
1284 | struct debug_class_type *c; |
||
1285 | |||
1286 | t = debug_make_type (info, |
||
1287 | structp ? DEBUG_KIND_STRUCT : DEBUG_KIND_UNION, |
||
1288 | size); |
||
1289 | if (t == NULL) |
||
1290 | return DEBUG_TYPE_NULL; |
||
1291 | |||
1292 | c = (struct debug_class_type *) xmalloc (sizeof *c); |
||
1293 | memset (c, 0, sizeof *c); |
||
1294 | |||
1295 | c->fields = fields; |
||
1296 | |||
1297 | t->u.kclass = c; |
||
1298 | |||
1299 | return t; |
||
1300 | } |
||
1301 | |||
1302 | /* Make an object type. The first three arguments after the handle |
||
1303 | are the same as for debug_make_struct_type. The next arguments are |
||
1304 | a NULL terminated array of base classes, a NULL terminated array of |
||
1305 | methods, the type of the object holding the virtual function table |
||
1306 | if it is not this object, and a boolean which is true if this |
||
1307 | object has its own virtual function table. */ |
||
1308 | |||
1309 | debug_type |
||
1310 | debug_make_object_type (void *handle, bfd_boolean structp, bfd_vma size, |
||
1311 | debug_field *fields, debug_baseclass *baseclasses, |
||
1312 | debug_method *methods, debug_type vptrbase, |
||
1313 | bfd_boolean ownvptr) |
||
1314 | { |
||
1315 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1316 | struct debug_type_s *t; |
||
1317 | struct debug_class_type *c; |
||
1318 | |||
1319 | t = debug_make_type (info, |
||
1320 | structp ? DEBUG_KIND_CLASS : DEBUG_KIND_UNION_CLASS, |
||
1321 | size); |
||
1322 | if (t == NULL) |
||
1323 | return DEBUG_TYPE_NULL; |
||
1324 | |||
1325 | c = (struct debug_class_type *) xmalloc (sizeof *c); |
||
1326 | memset (c, 0, sizeof *c); |
||
1327 | |||
1328 | c->fields = fields; |
||
1329 | c->baseclasses = baseclasses; |
||
1330 | c->methods = methods; |
||
1331 | if (ownvptr) |
||
1332 | c->vptrbase = t; |
||
1333 | else |
||
1334 | c->vptrbase = vptrbase; |
||
1335 | |||
1336 | t->u.kclass = c; |
||
1337 | |||
1338 | return t; |
||
1339 | } |
||
1340 | |||
1341 | /* Make an enumeration type. The arguments are a null terminated |
||
1342 | array of strings, and an array of corresponding values. */ |
||
1343 | |||
1344 | debug_type |
||
1345 | debug_make_enum_type (void *handle, const char **names, |
||
1346 | bfd_signed_vma *values) |
||
1347 | { |
||
1348 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1349 | struct debug_type_s *t; |
||
1350 | struct debug_enum_type *e; |
||
1351 | |||
1352 | t = debug_make_type (info, DEBUG_KIND_ENUM, 0); |
||
1353 | if (t == NULL) |
||
1354 | return DEBUG_TYPE_NULL; |
||
1355 | |||
1356 | e = (struct debug_enum_type *) xmalloc (sizeof *e); |
||
1357 | memset (e, 0, sizeof *e); |
||
1358 | |||
1359 | e->names = names; |
||
1360 | e->values = values; |
||
1361 | |||
1362 | t->u.kenum = e; |
||
1363 | |||
1364 | return t; |
||
1365 | } |
||
1366 | |||
1367 | /* Make a pointer to a given type. */ |
||
1368 | |||
1369 | debug_type |
||
1370 | debug_make_pointer_type (void *handle, debug_type type) |
||
1371 | { |
||
1372 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1373 | struct debug_type_s *t; |
||
1374 | |||
1375 | if (type == NULL) |
||
1376 | return DEBUG_TYPE_NULL; |
||
1377 | |||
1378 | if (type->pointer != DEBUG_TYPE_NULL) |
||
1379 | return type->pointer; |
||
1380 | |||
1381 | t = debug_make_type (info, DEBUG_KIND_POINTER, 0); |
||
1382 | if (t == NULL) |
||
1383 | return DEBUG_TYPE_NULL; |
||
1384 | |||
1385 | t->u.kpointer = type; |
||
1386 | |||
1387 | type->pointer = t; |
||
1388 | |||
1389 | return t; |
||
1390 | } |
||
1391 | |||
1392 | /* Make a function returning a given type. FIXME: We should be able |
||
1393 | to record the parameter types. */ |
||
1394 | |||
1395 | debug_type |
||
1396 | debug_make_function_type (void *handle, debug_type type, |
||
1397 | debug_type *arg_types, bfd_boolean varargs) |
||
1398 | { |
||
1399 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1400 | struct debug_type_s *t; |
||
1401 | struct debug_function_type *f; |
||
1402 | |||
1403 | if (type == NULL) |
||
1404 | return DEBUG_TYPE_NULL; |
||
1405 | |||
1406 | t = debug_make_type (info, DEBUG_KIND_FUNCTION, 0); |
||
1407 | if (t == NULL) |
||
1408 | return DEBUG_TYPE_NULL; |
||
1409 | |||
1410 | f = (struct debug_function_type *) xmalloc (sizeof *f); |
||
1411 | memset (f, 0, sizeof *f); |
||
1412 | |||
1413 | f->return_type = type; |
||
1414 | f->arg_types = arg_types; |
||
1415 | f->varargs = varargs; |
||
1416 | |||
1417 | t->u.kfunction = f; |
||
1418 | |||
1419 | return t; |
||
1420 | } |
||
1421 | |||
1422 | /* Make a reference to a given type. */ |
||
1423 | |||
1424 | debug_type |
||
1425 | debug_make_reference_type (void *handle, debug_type type) |
||
1426 | { |
||
1427 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1428 | struct debug_type_s *t; |
||
1429 | |||
1430 | if (type == NULL) |
||
1431 | return DEBUG_TYPE_NULL; |
||
1432 | |||
1433 | t = debug_make_type (info, DEBUG_KIND_REFERENCE, 0); |
||
1434 | if (t == NULL) |
||
1435 | return DEBUG_TYPE_NULL; |
||
1436 | |||
1437 | t->u.kreference = type; |
||
1438 | |||
1439 | return t; |
||
1440 | } |
||
1441 | |||
1442 | /* Make a range of a given type from a lower to an upper bound. */ |
||
1443 | |||
1444 | debug_type |
||
1445 | debug_make_range_type (void *handle, debug_type type, bfd_signed_vma lower, |
||
1446 | bfd_signed_vma upper) |
||
1447 | { |
||
1448 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1449 | struct debug_type_s *t; |
||
1450 | struct debug_range_type *r; |
||
1451 | |||
1452 | if (type == NULL) |
||
1453 | return DEBUG_TYPE_NULL; |
||
1454 | |||
1455 | t = debug_make_type (info, DEBUG_KIND_RANGE, 0); |
||
1456 | if (t == NULL) |
||
1457 | return DEBUG_TYPE_NULL; |
||
1458 | |||
1459 | r = (struct debug_range_type *) xmalloc (sizeof *r); |
||
1460 | memset (r, 0, sizeof *r); |
||
1461 | |||
1462 | r->type = type; |
||
1463 | r->lower = lower; |
||
1464 | r->upper = upper; |
||
1465 | |||
1466 | t->u.krange = r; |
||
1467 | |||
1468 | return t; |
||
1469 | } |
||
1470 | |||
1471 | /* Make an array type. The second argument is the type of an element |
||
1472 | of the array. The third argument is the type of a range of the |
||
1473 | array. The fourth and fifth argument are the lower and upper |
||
1474 | bounds, respectively. The sixth argument is true if this array is |
||
1475 | actually a string, as in C. */ |
||
1476 | |||
1477 | debug_type |
||
1478 | debug_make_array_type (void *handle, debug_type element_type, |
||
1479 | debug_type range_type, bfd_signed_vma lower, |
||
1480 | bfd_signed_vma upper, bfd_boolean stringp) |
||
1481 | { |
||
1482 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1483 | struct debug_type_s *t; |
||
1484 | struct debug_array_type *a; |
||
1485 | |||
1486 | if (element_type == NULL || range_type == NULL) |
||
1487 | return DEBUG_TYPE_NULL; |
||
1488 | |||
1489 | t = debug_make_type (info, DEBUG_KIND_ARRAY, 0); |
||
1490 | if (t == NULL) |
||
1491 | return DEBUG_TYPE_NULL; |
||
1492 | |||
1493 | a = (struct debug_array_type *) xmalloc (sizeof *a); |
||
1494 | memset (a, 0, sizeof *a); |
||
1495 | |||
1496 | a->element_type = element_type; |
||
1497 | a->range_type = range_type; |
||
1498 | a->lower = lower; |
||
1499 | a->upper = upper; |
||
1500 | a->stringp = stringp; |
||
1501 | |||
1502 | t->u.karray = a; |
||
1503 | |||
1504 | return t; |
||
1505 | } |
||
1506 | |||
1507 | /* Make a set of a given type. For example, a Pascal set type. The |
||
1508 | boolean argument is true if this set is actually a bitstring, as in |
||
1509 | CHILL. */ |
||
1510 | |||
1511 | debug_type |
||
1512 | debug_make_set_type (void *handle, debug_type type, bfd_boolean bitstringp) |
||
1513 | { |
||
1514 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1515 | struct debug_type_s *t; |
||
1516 | struct debug_set_type *s; |
||
1517 | |||
1518 | if (type == NULL) |
||
1519 | return DEBUG_TYPE_NULL; |
||
1520 | |||
1521 | t = debug_make_type (info, DEBUG_KIND_SET, 0); |
||
1522 | if (t == NULL) |
||
1523 | return DEBUG_TYPE_NULL; |
||
1524 | |||
1525 | s = (struct debug_set_type *) xmalloc (sizeof *s); |
||
1526 | memset (s, 0, sizeof *s); |
||
1527 | |||
1528 | s->type = type; |
||
1529 | s->bitstringp = bitstringp; |
||
1530 | |||
1531 | t->u.kset = s; |
||
1532 | |||
1533 | return t; |
||
1534 | } |
||
1535 | |||
1536 | /* Make a type for a pointer which is relative to an object. The |
||
1537 | second argument is the type of the object to which the pointer is |
||
1538 | relative. The third argument is the type that the pointer points |
||
1539 | to. */ |
||
1540 | |||
1541 | debug_type |
||
1542 | debug_make_offset_type (void *handle, debug_type base_type, |
||
1543 | debug_type target_type) |
||
1544 | { |
||
1545 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1546 | struct debug_type_s *t; |
||
1547 | struct debug_offset_type *o; |
||
1548 | |||
1549 | if (base_type == NULL || target_type == NULL) |
||
1550 | return DEBUG_TYPE_NULL; |
||
1551 | |||
1552 | t = debug_make_type (info, DEBUG_KIND_OFFSET, 0); |
||
1553 | if (t == NULL) |
||
1554 | return DEBUG_TYPE_NULL; |
||
1555 | |||
1556 | o = (struct debug_offset_type *) xmalloc (sizeof *o); |
||
1557 | memset (o, 0, sizeof *o); |
||
1558 | |||
1559 | o->base_type = base_type; |
||
1560 | o->target_type = target_type; |
||
1561 | |||
1562 | t->u.koffset = o; |
||
1563 | |||
1564 | return t; |
||
1565 | } |
||
1566 | |||
1567 | /* Make a type for a method function. The second argument is the |
||
1568 | return type, the third argument is the domain, and the fourth |
||
1569 | argument is a NULL terminated array of argument types. */ |
||
1570 | |||
1571 | debug_type |
||
1572 | debug_make_method_type (void *handle, debug_type return_type, |
||
1573 | debug_type domain_type, debug_type *arg_types, |
||
1574 | bfd_boolean varargs) |
||
1575 | { |
||
1576 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1577 | struct debug_type_s *t; |
||
1578 | struct debug_method_type *m; |
||
1579 | |||
1580 | if (return_type == NULL) |
||
1581 | return DEBUG_TYPE_NULL; |
||
1582 | |||
1583 | t = debug_make_type (info, DEBUG_KIND_METHOD, 0); |
||
1584 | if (t == NULL) |
||
1585 | return DEBUG_TYPE_NULL; |
||
1586 | |||
1587 | m = (struct debug_method_type *) xmalloc (sizeof *m); |
||
1588 | memset (m, 0, sizeof *m); |
||
1589 | |||
1590 | m->return_type = return_type; |
||
1591 | m->domain_type = domain_type; |
||
1592 | m->arg_types = arg_types; |
||
1593 | m->varargs = varargs; |
||
1594 | |||
1595 | t->u.kmethod = m; |
||
1596 | |||
1597 | return t; |
||
1598 | } |
||
1599 | |||
1600 | /* Make a const qualified version of a given type. */ |
||
1601 | |||
1602 | debug_type |
||
1603 | debug_make_const_type (void *handle, debug_type type) |
||
1604 | { |
||
1605 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1606 | struct debug_type_s *t; |
||
1607 | |||
1608 | if (type == NULL) |
||
1609 | return DEBUG_TYPE_NULL; |
||
1610 | |||
1611 | t = debug_make_type (info, DEBUG_KIND_CONST, 0); |
||
1612 | if (t == NULL) |
||
1613 | return DEBUG_TYPE_NULL; |
||
1614 | |||
1615 | t->u.kconst = type; |
||
1616 | |||
1617 | return t; |
||
1618 | } |
||
1619 | |||
1620 | /* Make a volatile qualified version of a given type. */ |
||
1621 | |||
1622 | debug_type |
||
1623 | debug_make_volatile_type (void *handle, debug_type type) |
||
1624 | { |
||
1625 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1626 | struct debug_type_s *t; |
||
1627 | |||
1628 | if (type == NULL) |
||
1629 | return DEBUG_TYPE_NULL; |
||
1630 | |||
1631 | t = debug_make_type (info, DEBUG_KIND_VOLATILE, 0); |
||
1632 | if (t == NULL) |
||
1633 | return DEBUG_TYPE_NULL; |
||
1634 | |||
1635 | t->u.kvolatile = type; |
||
1636 | |||
1637 | return t; |
||
1638 | } |
||
1639 | |||
1640 | /* Make an undefined tagged type. For example, a struct which has |
||
1641 | been mentioned, but not defined. */ |
||
1642 | |||
1643 | debug_type |
||
1644 | debug_make_undefined_tagged_type (void *handle, const char *name, |
||
1645 | enum debug_type_kind kind) |
||
1646 | { |
||
1647 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1648 | struct debug_type_s *t; |
||
1649 | |||
1650 | if (name == NULL) |
||
1651 | return DEBUG_TYPE_NULL; |
||
1652 | |||
1653 | switch (kind) |
||
1654 | { |
||
1655 | case DEBUG_KIND_STRUCT: |
||
1656 | case DEBUG_KIND_UNION: |
||
1657 | case DEBUG_KIND_CLASS: |
||
1658 | case DEBUG_KIND_UNION_CLASS: |
||
1659 | case DEBUG_KIND_ENUM: |
||
1660 | break; |
||
1661 | |||
1662 | default: |
||
1663 | debug_error (_("debug_make_undefined_type: unsupported kind")); |
||
1664 | return DEBUG_TYPE_NULL; |
||
1665 | } |
||
1666 | |||
1667 | t = debug_make_type (info, kind, 0); |
||
1668 | if (t == NULL) |
||
1669 | return DEBUG_TYPE_NULL; |
||
1670 | |||
1671 | return debug_tag_type (handle, name, t); |
||
1672 | } |
||
1673 | |||
1674 | /* Make a base class for an object. The second argument is the base |
||
1675 | class type. The third argument is the bit position of this base |
||
1676 | class in the object (always 0 unless doing multiple inheritance). |
||
1677 | The fourth argument is whether this is a virtual class. The fifth |
||
1678 | argument is the visibility of the base class. */ |
||
1679 | |||
1680 | debug_baseclass |
||
1681 | debug_make_baseclass (void *handle ATTRIBUTE_UNUSED, debug_type type, |
||
1682 | bfd_vma bitpos, bfd_boolean is_virtual, |
||
1683 | enum debug_visibility visibility) |
||
1684 | { |
||
1685 | struct debug_baseclass_s *b; |
||
1686 | |||
1687 | b = (struct debug_baseclass_s *) xmalloc (sizeof *b); |
||
1688 | memset (b, 0, sizeof *b); |
||
1689 | |||
1690 | b->type = type; |
||
1691 | b->bitpos = bitpos; |
||
1692 | b->is_virtual = is_virtual; |
||
1693 | b->visibility = visibility; |
||
1694 | |||
1695 | return b; |
||
1696 | } |
||
1697 | |||
1698 | /* Make a field for a struct. The second argument is the name. The |
||
1699 | third argument is the type of the field. The fourth argument is |
||
1700 | the bit position of the field. The fifth argument is the size of |
||
1701 | the field (it may be zero). The sixth argument is the visibility |
||
1702 | of the field. */ |
||
1703 | |||
1704 | debug_field |
||
1705 | debug_make_field (void *handle ATTRIBUTE_UNUSED, const char *name, |
||
1706 | debug_type type, bfd_vma bitpos, bfd_vma bitsize, |
||
1707 | enum debug_visibility visibility) |
||
1708 | { |
||
1709 | struct debug_field_s *f; |
||
1710 | |||
1711 | f = (struct debug_field_s *) xmalloc (sizeof *f); |
||
1712 | memset (f, 0, sizeof *f); |
||
1713 | |||
1714 | f->name = name; |
||
1715 | f->type = type; |
||
1716 | f->static_member = FALSE; |
||
1717 | f->u.f.bitpos = bitpos; |
||
1718 | f->u.f.bitsize = bitsize; |
||
1719 | f->visibility = visibility; |
||
1720 | |||
1721 | return f; |
||
1722 | } |
||
1723 | |||
1724 | /* Make a static member of an object. The second argument is the |
||
1725 | name. The third argument is the type of the member. The fourth |
||
1726 | argument is the physical name of the member (i.e., the name as a |
||
1727 | global variable). The fifth argument is the visibility of the |
||
1728 | member. */ |
||
1729 | |||
1730 | debug_field |
||
1731 | debug_make_static_member (void *handle ATTRIBUTE_UNUSED, const char *name, |
||
1732 | debug_type type, const char *physname, |
||
1733 | enum debug_visibility visibility) |
||
1734 | { |
||
1735 | struct debug_field_s *f; |
||
1736 | |||
1737 | f = (struct debug_field_s *) xmalloc (sizeof *f); |
||
1738 | memset (f, 0, sizeof *f); |
||
1739 | |||
1740 | f->name = name; |
||
1741 | f->type = type; |
||
1742 | f->static_member = TRUE; |
||
1743 | f->u.s.physname = physname; |
||
1744 | f->visibility = visibility; |
||
1745 | |||
1746 | return f; |
||
1747 | } |
||
1748 | |||
1749 | /* Make a method. The second argument is the name, and the third |
||
1750 | argument is a NULL terminated array of method variants. */ |
||
1751 | |||
1752 | debug_method |
||
1753 | debug_make_method (void *handle ATTRIBUTE_UNUSED, const char *name, |
||
1754 | debug_method_variant *variants) |
||
1755 | { |
||
1756 | struct debug_method_s *m; |
||
1757 | |||
1758 | m = (struct debug_method_s *) xmalloc (sizeof *m); |
||
1759 | memset (m, 0, sizeof *m); |
||
1760 | |||
1761 | m->name = name; |
||
1762 | m->variants = variants; |
||
1763 | |||
1764 | return m; |
||
1765 | } |
||
1766 | |||
1767 | /* Make a method argument. The second argument is the real name of |
||
1768 | the function. The third argument is the type of the function. The |
||
1769 | fourth argument is the visibility. The fifth argument is whether |
||
1770 | this is a const function. The sixth argument is whether this is a |
||
1771 | volatile function. The seventh argument is the offset in the |
||
1772 | virtual function table, if any. The eighth argument is the virtual |
||
1773 | function context. FIXME: Are the const and volatile arguments |
||
1774 | necessary? Could we just use debug_make_const_type? */ |
||
1775 | |||
1776 | debug_method_variant |
||
1777 | debug_make_method_variant (void *handle ATTRIBUTE_UNUSED, |
||
1778 | const char *physname, debug_type type, |
||
1779 | enum debug_visibility visibility, |
||
1780 | bfd_boolean constp, bfd_boolean volatilep, |
||
1781 | bfd_vma voffset, debug_type context) |
||
1782 | { |
||
1783 | struct debug_method_variant_s *m; |
||
1784 | |||
1785 | m = (struct debug_method_variant_s *) xmalloc (sizeof *m); |
||
1786 | memset (m, 0, sizeof *m); |
||
1787 | |||
1788 | m->physname = physname; |
||
1789 | m->type = type; |
||
1790 | m->visibility = visibility; |
||
1791 | m->constp = constp; |
||
1792 | m->volatilep = volatilep; |
||
1793 | m->voffset = voffset; |
||
1794 | m->context = context; |
||
1795 | |||
1796 | return m; |
||
1797 | } |
||
1798 | |||
1799 | /* Make a static method argument. The arguments are the same as for |
||
1800 | debug_make_method_variant, except that the last two are omitted |
||
1801 | since a static method can not also be virtual. */ |
||
1802 | |||
1803 | debug_method_variant |
||
1804 | debug_make_static_method_variant (void *handle ATTRIBUTE_UNUSED, |
||
1805 | const char *physname, debug_type type, |
||
1806 | enum debug_visibility visibility, |
||
1807 | bfd_boolean constp, bfd_boolean volatilep) |
||
1808 | { |
||
1809 | struct debug_method_variant_s *m; |
||
1810 | |||
1811 | m = (struct debug_method_variant_s *) xmalloc (sizeof *m); |
||
1812 | memset (m, 0, sizeof *m); |
||
1813 | |||
1814 | m->physname = physname; |
||
1815 | m->type = type; |
||
1816 | m->visibility = visibility; |
||
1817 | m->constp = constp; |
||
1818 | m->volatilep = volatilep; |
||
1819 | m->voffset = VOFFSET_STATIC_METHOD; |
||
1820 | |||
1821 | return m; |
||
1822 | } |
||
1823 | |||
1824 | /* Name a type. */ |
||
1825 | |||
1826 | debug_type |
||
1827 | debug_name_type (void *handle, const char *name, debug_type type) |
||
1828 | { |
||
1829 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1830 | struct debug_type_s *t; |
||
1831 | struct debug_named_type *n; |
||
1832 | struct debug_name *nm; |
||
1833 | |||
1834 | if (name == NULL || type == NULL) |
||
1835 | return DEBUG_TYPE_NULL; |
||
1836 | |||
1837 | if (info->current_unit == NULL |
||
1838 | || info->current_file == NULL) |
||
1839 | { |
||
1840 | debug_error (_("debug_name_type: no current file")); |
||
1841 | return DEBUG_TYPE_NULL; |
||
1842 | } |
||
1843 | |||
1844 | t = debug_make_type (info, DEBUG_KIND_NAMED, 0); |
||
1845 | if (t == NULL) |
||
1846 | return DEBUG_TYPE_NULL; |
||
1847 | |||
1848 | n = (struct debug_named_type *) xmalloc (sizeof *n); |
||
1849 | memset (n, 0, sizeof *n); |
||
1850 | |||
1851 | n->type = type; |
||
1852 | |||
1853 | t->u.knamed = n; |
||
1854 | |||
1855 | /* We always add the name to the global namespace. This is probably |
||
1856 | wrong in some cases, but it seems to be right for stabs. FIXME. */ |
||
1857 | |||
1858 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, |
||
1859 | DEBUG_OBJECT_TYPE, DEBUG_LINKAGE_NONE); |
||
1860 | if (nm == NULL) |
||
1861 | return DEBUG_TYPE_NULL; |
||
1862 | |||
1863 | nm->u.type = t; |
||
1864 | |||
1865 | n->name = nm; |
||
1866 | |||
1867 | return t; |
||
1868 | } |
||
1869 | |||
1870 | /* Tag a type. */ |
||
1871 | |||
1872 | debug_type |
||
1873 | debug_tag_type (void *handle, const char *name, debug_type type) |
||
1874 | { |
||
1875 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1876 | struct debug_type_s *t; |
||
1877 | struct debug_named_type *n; |
||
1878 | struct debug_name *nm; |
||
1879 | |||
1880 | if (name == NULL || type == NULL) |
||
1881 | return DEBUG_TYPE_NULL; |
||
1882 | |||
1883 | if (info->current_file == NULL) |
||
1884 | { |
||
1885 | debug_error (_("debug_tag_type: no current file")); |
||
1886 | return DEBUG_TYPE_NULL; |
||
1887 | } |
||
1888 | |||
1889 | if (type->kind == DEBUG_KIND_TAGGED) |
||
1890 | { |
||
1891 | if (strcmp (type->u.knamed->name->name, name) == 0) |
||
1892 | return type; |
||
1893 | debug_error (_("debug_tag_type: extra tag attempted")); |
||
1894 | return DEBUG_TYPE_NULL; |
||
1895 | } |
||
1896 | |||
1897 | t = debug_make_type (info, DEBUG_KIND_TAGGED, 0); |
||
1898 | if (t == NULL) |
||
1899 | return DEBUG_TYPE_NULL; |
||
1900 | |||
1901 | n = (struct debug_named_type *) xmalloc (sizeof *n); |
||
1902 | memset (n, 0, sizeof *n); |
||
1903 | |||
1904 | n->type = type; |
||
1905 | |||
1906 | t->u.knamed = n; |
||
1907 | |||
1908 | /* We keep a global namespace of tags for each compilation unit. I |
||
1909 | don't know if that is the right thing to do. */ |
||
1910 | |||
1911 | nm = debug_add_to_namespace (info, &info->current_file->globals, name, |
||
1912 | DEBUG_OBJECT_TAG, DEBUG_LINKAGE_NONE); |
||
1913 | if (nm == NULL) |
||
1914 | return DEBUG_TYPE_NULL; |
||
1915 | |||
1916 | nm->u.tag = t; |
||
1917 | |||
1918 | n->name = nm; |
||
1919 | |||
1920 | return t; |
||
1921 | } |
||
1922 | |||
1923 | /* Record the size of a given type. */ |
||
1924 | |||
1925 | bfd_boolean |
||
1926 | debug_record_type_size (void *handle ATTRIBUTE_UNUSED, debug_type type, |
||
1927 | unsigned int size) |
||
1928 | { |
||
1929 | if (type->size != 0 && type->size != size) |
||
1930 | fprintf (stderr, _("Warning: changing type size from %d to %d\n"), |
||
1931 | type->size, size); |
||
1932 | |||
1933 | type->size = size; |
||
1934 | |||
1935 | return TRUE; |
||
1936 | } |
||
1937 | |||
1938 | /* Find a named type. */ |
||
1939 | |||
1940 | debug_type |
||
1941 | debug_find_named_type (void *handle, const char *name) |
||
1942 | { |
||
1943 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1944 | struct debug_block *b; |
||
1945 | struct debug_file *f; |
||
1946 | |||
1947 | /* We only search the current compilation unit. I don't know if |
||
1948 | this is right or not. */ |
||
1949 | |||
1950 | if (info->current_unit == NULL) |
||
1951 | { |
||
1952 | debug_error (_("debug_find_named_type: no current compilation unit")); |
||
1953 | return DEBUG_TYPE_NULL; |
||
1954 | } |
||
1955 | |||
1956 | for (b = info->current_block; b != NULL; b = b->parent) |
||
1957 | { |
||
1958 | if (b->locals != NULL) |
||
1959 | { |
||
1960 | struct debug_name *n; |
||
1961 | |||
1962 | for (n = b->locals->list; n != NULL; n = n->next) |
||
1963 | { |
||
1964 | if (n->kind == DEBUG_OBJECT_TYPE |
||
1965 | && n->name[0] == name[0] |
||
1966 | && strcmp (n->name, name) == 0) |
||
1967 | return n->u.type; |
||
1968 | } |
||
1969 | } |
||
1970 | } |
||
1971 | |||
1972 | for (f = info->current_unit->files; f != NULL; f = f->next) |
||
1973 | { |
||
1974 | if (f->globals != NULL) |
||
1975 | { |
||
1976 | struct debug_name *n; |
||
1977 | |||
1978 | for (n = f->globals->list; n != NULL; n = n->next) |
||
1979 | { |
||
1980 | if (n->kind == DEBUG_OBJECT_TYPE |
||
1981 | && n->name[0] == name[0] |
||
1982 | && strcmp (n->name, name) == 0) |
||
1983 | return n->u.type; |
||
1984 | } |
||
1985 | } |
||
1986 | } |
||
1987 | |||
1988 | return DEBUG_TYPE_NULL; |
||
1989 | } |
||
1990 | |||
1991 | /* Find a tagged type. */ |
||
1992 | |||
1993 | debug_type |
||
1994 | debug_find_tagged_type (void *handle, const char *name, |
||
1995 | enum debug_type_kind kind) |
||
1996 | { |
||
1997 | struct debug_handle *info = (struct debug_handle *) handle; |
||
1998 | struct debug_unit *u; |
||
1999 | |||
2000 | /* We search the globals of all the compilation units. I don't know |
||
2001 | if this is correct or not. It would be easy to change. */ |
||
2002 | |||
2003 | for (u = info->units; u != NULL; u = u->next) |
||
2004 | { |
||
2005 | struct debug_file *f; |
||
2006 | |||
2007 | for (f = u->files; f != NULL; f = f->next) |
||
2008 | { |
||
2009 | struct debug_name *n; |
||
2010 | |||
2011 | if (f->globals != NULL) |
||
2012 | { |
||
2013 | for (n = f->globals->list; n != NULL; n = n->next) |
||
2014 | { |
||
2015 | if (n->kind == DEBUG_OBJECT_TAG |
||
2016 | && (kind == DEBUG_KIND_ILLEGAL |
||
2017 | || n->u.tag->kind == kind) |
||
2018 | && n->name[0] == name[0] |
||
2019 | && strcmp (n->name, name) == 0) |
||
2020 | return n->u.tag; |
||
2021 | } |
||
2022 | } |
||
2023 | } |
||
2024 | } |
||
2025 | |||
2026 | return DEBUG_TYPE_NULL; |
||
2027 | } |
||
2028 | |||
2029 | /* Get a base type. We build a linked list on the stack to avoid |
||
2030 | crashing if the type is defined circularly. */ |
||
2031 | |||
2032 | static struct debug_type_s * |
||
2033 | debug_get_real_type (void *handle, debug_type type, |
||
2034 | struct debug_type_real_list *list) |
||
2035 | { |
||
2036 | struct debug_type_real_list *l; |
||
2037 | struct debug_type_real_list rl; |
||
2038 | |||
2039 | switch (type->kind) |
||
2040 | { |
||
2041 | default: |
||
2042 | return type; |
||
2043 | |||
2044 | case DEBUG_KIND_INDIRECT: |
||
2045 | case DEBUG_KIND_NAMED: |
||
2046 | case DEBUG_KIND_TAGGED: |
||
2047 | break; |
||
2048 | } |
||
2049 | |||
2050 | for (l = list; l != NULL; l = l->next) |
||
2051 | { |
||
2052 | if (l->t == type || l == l->next) |
||
2053 | { |
||
2054 | fprintf (stderr, |
||
2055 | _("debug_get_real_type: circular debug information for %s\n"), |
||
2056 | debug_get_type_name (handle, type)); |
||
2057 | return NULL; |
||
2058 | } |
||
2059 | } |
||
2060 | |||
2061 | rl.next = list; |
||
2062 | rl.t = type; |
||
2063 | |||
2064 | switch (type->kind) |
||
2065 | { |
||
2066 | /* The default case is just here to avoid warnings. */ |
||
2067 | default: |
||
2068 | case DEBUG_KIND_INDIRECT: |
||
2069 | if (*type->u.kindirect->slot != NULL) |
||
2070 | return debug_get_real_type (handle, *type->u.kindirect->slot, &rl); |
||
2071 | return type; |
||
2072 | case DEBUG_KIND_NAMED: |
||
2073 | case DEBUG_KIND_TAGGED: |
||
2074 | return debug_get_real_type (handle, type->u.knamed->type, &rl); |
||
2075 | } |
||
2076 | /*NOTREACHED*/ |
||
2077 | } |
||
2078 | |||
2079 | /* Get the kind of a type. */ |
||
2080 | |||
2081 | enum debug_type_kind |
||
2082 | debug_get_type_kind (void *handle, debug_type type) |
||
2083 | { |
||
2084 | if (type == NULL) |
||
2085 | return DEBUG_KIND_ILLEGAL; |
||
2086 | type = debug_get_real_type (handle, type, NULL); |
||
2087 | if (type == NULL) |
||
2088 | return DEBUG_KIND_ILLEGAL; |
||
2089 | return type->kind; |
||
2090 | } |
||
2091 | |||
2092 | /* Get the name of a type. */ |
||
2093 | |||
2094 | const char * |
||
2095 | debug_get_type_name (void *handle, debug_type type) |
||
2096 | { |
||
2097 | if (type->kind == DEBUG_KIND_INDIRECT) |
||
2098 | { |
||
2099 | if (*type->u.kindirect->slot != NULL) |
||
2100 | return debug_get_type_name (handle, *type->u.kindirect->slot); |
||
2101 | return type->u.kindirect->tag; |
||
2102 | } |
||
2103 | if (type->kind == DEBUG_KIND_NAMED |
||
2104 | || type->kind == DEBUG_KIND_TAGGED) |
||
2105 | return type->u.knamed->name->name; |
||
2106 | return NULL; |
||
2107 | } |
||
2108 | |||
2109 | /* Get the size of a type. */ |
||
2110 | |||
2111 | bfd_vma |
||
2112 | debug_get_type_size (void *handle, debug_type type) |
||
2113 | { |
||
2114 | if (type == NULL) |
||
2115 | return 0; |
||
2116 | |||
2117 | /* We don't call debug_get_real_type, because somebody might have |
||
2118 | called debug_record_type_size on a named or indirect type. */ |
||
2119 | |||
2120 | if (type->size != 0) |
||
2121 | return type->size; |
||
2122 | |||
2123 | switch (type->kind) |
||
2124 | { |
||
2125 | default: |
||
2126 | return 0; |
||
2127 | case DEBUG_KIND_INDIRECT: |
||
2128 | if (*type->u.kindirect->slot != NULL) |
||
2129 | return debug_get_type_size (handle, *type->u.kindirect->slot); |
||
2130 | return 0; |
||
2131 | case DEBUG_KIND_NAMED: |
||
2132 | case DEBUG_KIND_TAGGED: |
||
2133 | return debug_get_type_size (handle, type->u.knamed->type); |
||
2134 | } |
||
2135 | /*NOTREACHED*/ |
||
2136 | } |
||
2137 | |||
2138 | /* Get the return type of a function or method type. */ |
||
2139 | |||
2140 | debug_type |
||
2141 | debug_get_return_type (void *handle, debug_type type) |
||
2142 | { |
||
2143 | if (type == NULL) |
||
2144 | return DEBUG_TYPE_NULL; |
||
2145 | |||
2146 | type = debug_get_real_type (handle, type, NULL); |
||
2147 | if (type == NULL) |
||
2148 | return DEBUG_TYPE_NULL; |
||
2149 | |||
2150 | switch (type->kind) |
||
2151 | { |
||
2152 | default: |
||
2153 | return DEBUG_TYPE_NULL; |
||
2154 | case DEBUG_KIND_FUNCTION: |
||
2155 | return type->u.kfunction->return_type; |
||
2156 | case DEBUG_KIND_METHOD: |
||
2157 | return type->u.kmethod->return_type; |
||
2158 | } |
||
2159 | /*NOTREACHED*/ |
||
2160 | } |
||
2161 | |||
2162 | /* Get the parameter types of a function or method type (except that |
||
2163 | we don't currently store the parameter types of a function). */ |
||
2164 | |||
2165 | const debug_type * |
||
2166 | debug_get_parameter_types (void *handle, debug_type type, |
||
2167 | bfd_boolean *pvarargs) |
||
2168 | { |
||
2169 | if (type == NULL) |
||
2170 | return NULL; |
||
2171 | |||
2172 | type = debug_get_real_type (handle, type, NULL); |
||
2173 | if (type == NULL) |
||
2174 | return NULL; |
||
2175 | |||
2176 | switch (type->kind) |
||
2177 | { |
||
2178 | default: |
||
2179 | return NULL; |
||
2180 | case DEBUG_KIND_FUNCTION: |
||
2181 | *pvarargs = type->u.kfunction->varargs; |
||
2182 | return type->u.kfunction->arg_types; |
||
2183 | case DEBUG_KIND_METHOD: |
||
2184 | *pvarargs = type->u.kmethod->varargs; |
||
2185 | return type->u.kmethod->arg_types; |
||
2186 | } |
||
2187 | /*NOTREACHED*/ |
||
2188 | } |
||
2189 | |||
2190 | /* Get the target type of a type. */ |
||
2191 | |||
2192 | debug_type |
||
2193 | debug_get_target_type (void *handle, debug_type type) |
||
2194 | { |
||
2195 | if (type == NULL) |
||
2196 | return NULL; |
||
2197 | |||
2198 | type = debug_get_real_type (handle, type, NULL); |
||
2199 | if (type == NULL) |
||
2200 | return NULL; |
||
2201 | |||
2202 | switch (type->kind) |
||
2203 | { |
||
2204 | default: |
||
2205 | return NULL; |
||
2206 | case DEBUG_KIND_POINTER: |
||
2207 | return type->u.kpointer; |
||
2208 | case DEBUG_KIND_REFERENCE: |
||
2209 | return type->u.kreference; |
||
2210 | case DEBUG_KIND_CONST: |
||
2211 | return type->u.kconst; |
||
2212 | case DEBUG_KIND_VOLATILE: |
||
2213 | return type->u.kvolatile; |
||
2214 | } |
||
2215 | /*NOTREACHED*/ |
||
2216 | } |
||
2217 | |||
2218 | /* Get the NULL terminated array of fields for a struct, union, or |
||
2219 | class. */ |
||
2220 | |||
2221 | const debug_field * |
||
2222 | debug_get_fields (void *handle, debug_type type) |
||
2223 | { |
||
2224 | if (type == NULL) |
||
2225 | return NULL; |
||
2226 | |||
2227 | type = debug_get_real_type (handle, type, NULL); |
||
2228 | if (type == NULL) |
||
2229 | return NULL; |
||
2230 | |||
2231 | switch (type->kind) |
||
2232 | { |
||
2233 | default: |
||
2234 | return NULL; |
||
2235 | case DEBUG_KIND_STRUCT: |
||
2236 | case DEBUG_KIND_UNION: |
||
2237 | case DEBUG_KIND_CLASS: |
||
2238 | case DEBUG_KIND_UNION_CLASS: |
||
2239 | return type->u.kclass->fields; |
||
2240 | } |
||
2241 | /*NOTREACHED*/ |
||
2242 | } |
||
2243 | |||
2244 | /* Get the type of a field. */ |
||
2245 | |||
2246 | debug_type |
||
2247 | debug_get_field_type (void *handle ATTRIBUTE_UNUSED, debug_field field) |
||
2248 | { |
||
2249 | if (field == NULL) |
||
2250 | return NULL; |
||
2251 | return field->type; |
||
2252 | } |
||
2253 | |||
2254 | /* Get the name of a field. */ |
||
2255 | |||
2256 | const char * |
||
2257 | debug_get_field_name (void *handle ATTRIBUTE_UNUSED, debug_field field) |
||
2258 | { |
||
2259 | if (field == NULL) |
||
2260 | return NULL; |
||
2261 | return field->name; |
||
2262 | } |
||
2263 | |||
2264 | /* Get the bit position of a field. */ |
||
2265 | |||
2266 | bfd_vma |
||
2267 | debug_get_field_bitpos (void *handle ATTRIBUTE_UNUSED, debug_field field) |
||
2268 | { |
||
2269 | if (field == NULL || field->static_member) |
||
2270 | return (bfd_vma) -1; |
||
2271 | return field->u.f.bitpos; |
||
2272 | } |
||
2273 | |||
2274 | /* Get the bit size of a field. */ |
||
2275 | |||
2276 | bfd_vma |
||
2277 | debug_get_field_bitsize (void *handle ATTRIBUTE_UNUSED, debug_field field) |
||
2278 | { |
||
2279 | if (field == NULL || field->static_member) |
||
2280 | return (bfd_vma) -1; |
||
2281 | return field->u.f.bitsize; |
||
2282 | } |
||
2283 | |||
2284 | /* Get the visibility of a field. */ |
||
2285 | |||
2286 | enum debug_visibility |
||
2287 | debug_get_field_visibility (void *handle ATTRIBUTE_UNUSED, debug_field field) |
||
2288 | { |
||
2289 | if (field == NULL) |
||
2290 | return DEBUG_VISIBILITY_IGNORE; |
||
2291 | return field->visibility; |
||
2292 | } |
||
2293 | |||
2294 | /* Get the physical name of a field. */ |
||
2295 | |||
2296 | const char * |
||
2297 | debug_get_field_physname (void *handle ATTRIBUTE_UNUSED, debug_field field) |
||
2298 | { |
||
2299 | if (field == NULL || ! field->static_member) |
||
2300 | return NULL; |
||
2301 | return field->u.s.physname; |
||
2302 | } |
||
2303 | |||
2304 | /* Write out the debugging information. This is given a handle to |
||
2305 | debugging information, and a set of function pointers to call. */ |
||
2306 | |||
2307 | bfd_boolean |
||
2308 | debug_write (void *handle, const struct debug_write_fns *fns, void *fhandle) |
||
2309 | { |
||
2310 | struct debug_handle *info = (struct debug_handle *) handle; |
||
2311 | struct debug_unit *u; |
||
2312 | |||
2313 | /* We use a mark to tell whether we have already written out a |
||
2314 | particular name. We use an integer, so that we don't have to |
||
2315 | clear the mark fields if we happen to write out the same |
||
2316 | information more than once. */ |
||
2317 | ++info->mark; |
||
2318 | |||
2319 | /* The base_id field holds an ID value which will never be used, so |
||
2320 | that we can tell whether we have assigned an ID during this call |
||
2321 | to debug_write. */ |
||
2322 | info->base_id = info->class_id; |
||
2323 | |||
2324 | /* We keep a linked list of classes for which was have assigned ID's |
||
2325 | during this call to debug_write. */ |
||
2326 | info->id_list = NULL; |
||
2327 | |||
2328 | for (u = info->units; u != NULL; u = u->next) |
||
2329 | { |
||
2330 | struct debug_file *f; |
||
2331 | bfd_boolean first_file; |
||
2332 | |||
2333 | info->current_write_lineno = u->linenos; |
||
2334 | info->current_write_lineno_index = 0; |
||
2335 | |||
2336 | if (! (*fns->start_compilation_unit) (fhandle, u->files->filename)) |
||
2337 | return FALSE; |
||
2338 | |||
2339 | first_file = TRUE; |
||
2340 | for (f = u->files; f != NULL; f = f->next) |
||
2341 | { |
||
2342 | struct debug_name *n; |
||
2343 | |||
2344 | if (first_file) |
||
2345 | first_file = FALSE; |
||
2346 | else if (! (*fns->start_source) (fhandle, f->filename)) |
||
2347 | return FALSE; |
||
2348 | |||
2349 | if (f->globals != NULL) |
||
2350 | for (n = f->globals->list; n != NULL; n = n->next) |
||
2351 | if (! debug_write_name (info, fns, fhandle, n)) |
||
2352 | return FALSE; |
||
2353 | } |
||
2354 | |||
2355 | /* Output any line number information which hasn't already been |
||
2356 | handled. */ |
||
2357 | if (! debug_write_linenos (info, fns, fhandle, (bfd_vma) -1)) |
||
2358 | return FALSE; |
||
2359 | } |
||
2360 | |||
2361 | return TRUE; |
||
2362 | } |
||
2363 | |||
2364 | /* Write out an element in a namespace. */ |
||
2365 | |||
2366 | static bfd_boolean |
||
2367 | debug_write_name (struct debug_handle *info, |
||
2368 | const struct debug_write_fns *fns, void *fhandle, |
||
2369 | struct debug_name *n) |
||
2370 | { |
||
2371 | switch (n->kind) |
||
2372 | { |
||
2373 | case DEBUG_OBJECT_TYPE: |
||
2374 | if (! debug_write_type (info, fns, fhandle, n->u.type, n) |
||
2375 | || ! (*fns->typdef) (fhandle, n->name)) |
||
2376 | return FALSE; |
||
2377 | return TRUE; |
||
2378 | case DEBUG_OBJECT_TAG: |
||
2379 | if (! debug_write_type (info, fns, fhandle, n->u.tag, n)) |
||
2380 | return FALSE; |
||
2381 | return (*fns->tag) (fhandle, n->name); |
||
2382 | case DEBUG_OBJECT_VARIABLE: |
||
2383 | if (! debug_write_type (info, fns, fhandle, n->u.variable->type, |
||
2384 | (struct debug_name *) NULL)) |
||
2385 | return FALSE; |
||
2386 | return (*fns->variable) (fhandle, n->name, n->u.variable->kind, |
||
2387 | n->u.variable->val); |
||
2388 | case DEBUG_OBJECT_FUNCTION: |
||
2389 | return debug_write_function (info, fns, fhandle, n->name, |
||
2390 | n->linkage, n->u.function); |
||
2391 | case DEBUG_OBJECT_INT_CONSTANT: |
||
2392 | return (*fns->int_constant) (fhandle, n->name, n->u.int_constant); |
||
2393 | case DEBUG_OBJECT_FLOAT_CONSTANT: |
||
2394 | return (*fns->float_constant) (fhandle, n->name, n->u.float_constant); |
||
2395 | case DEBUG_OBJECT_TYPED_CONSTANT: |
||
2396 | if (! debug_write_type (info, fns, fhandle, n->u.typed_constant->type, |
||
2397 | (struct debug_name *) NULL)) |
||
2398 | return FALSE; |
||
2399 | return (*fns->typed_constant) (fhandle, n->name, |
||
2400 | n->u.typed_constant->val); |
||
2401 | default: |
||
2402 | abort (); |
||
2403 | return FALSE; |
||
2404 | } |
||
2405 | /*NOTREACHED*/ |
||
2406 | } |
||
2407 | |||
2408 | /* Write out a type. If the type is DEBUG_KIND_NAMED or |
||
2409 | DEBUG_KIND_TAGGED, then the name argument is the name for which we |
||
2410 | are about to call typedef or tag. If the type is anything else, |
||
2411 | then the name argument is a tag from a DEBUG_KIND_TAGGED type which |
||
2412 | points to this one. */ |
||
2413 | |||
2414 | static bfd_boolean |
||
2415 | debug_write_type (struct debug_handle *info, |
||
2416 | const struct debug_write_fns *fns, void *fhandle, |
||
2417 | struct debug_type_s *type, struct debug_name *name) |
||
2418 | { |
||
2419 | unsigned int i; |
||
2420 | int is; |
||
2421 | const char *tag = NULL; |
||
2422 | |||
2423 | /* If we have a name for this type, just output it. We only output |
||
2424 | typedef names after they have been defined. We output type tags |
||
2425 | whenever we are not actually defining them. */ |
||
2426 | if ((type->kind == DEBUG_KIND_NAMED |
||
2427 | || type->kind == DEBUG_KIND_TAGGED) |
||
2428 | && (type->u.knamed->name->mark == info->mark |
||
2429 | || (type->kind == DEBUG_KIND_TAGGED |
||
2430 | && type->u.knamed->name != name))) |
||
2431 | { |
||
2432 | if (type->kind == DEBUG_KIND_NAMED) |
||
2433 | return (*fns->typedef_type) (fhandle, type->u.knamed->name->name); |
||
2434 | else |
||
2435 | { |
||
2436 | struct debug_type_s *real; |
||
2437 | unsigned int id; |
||
2438 | |||
2439 | real = debug_get_real_type ((void *) info, type, NULL); |
||
2440 | if (real == NULL) |
||
2441 | return (*fns->empty_type) (fhandle); |
||
2442 | id = 0; |
||
2443 | if ((real->kind == DEBUG_KIND_STRUCT |
||
2444 | || real->kind == DEBUG_KIND_UNION |
||
2445 | || real->kind == DEBUG_KIND_CLASS |
||
2446 | || real->kind == DEBUG_KIND_UNION_CLASS) |
||
2447 | && real->u.kclass != NULL) |
||
2448 | { |
||
2449 | if (real->u.kclass->id <= info->base_id) |
||
2450 | { |
||
2451 | if (! debug_set_class_id (info, |
||
2452 | type->u.knamed->name->name, |
||
2453 | real)) |
||
2454 | return FALSE; |
||
2455 | } |
||
2456 | id = real->u.kclass->id; |
||
2457 | } |
||
2458 | |||
2459 | return (*fns->tag_type) (fhandle, type->u.knamed->name->name, id, |
||
2460 | real->kind); |
||
2461 | } |
||
2462 | } |
||
2463 | |||
2464 | /* Mark the name after we have already looked for a known name, so |
||
2465 | that we don't just define a type in terms of itself. We need to |
||
2466 | mark the name here so that a struct containing a pointer to |
||
2467 | itself will work. */ |
||
2468 | if (name != NULL) |
||
2469 | name->mark = info->mark; |
||
2470 | |||
2471 | if (name != NULL |
||
2472 | && type->kind != DEBUG_KIND_NAMED |
||
2473 | && type->kind != DEBUG_KIND_TAGGED) |
||
2474 | { |
||
2475 | assert (name->kind == DEBUG_OBJECT_TAG); |
||
2476 | tag = name->name; |
||
2477 | } |
||
2478 | |||
2479 | switch (type->kind) |
||
2480 | { |
||
2481 | case DEBUG_KIND_ILLEGAL: |
||
2482 | debug_error (_("debug_write_type: illegal type encountered")); |
||
2483 | return FALSE; |
||
2484 | case DEBUG_KIND_INDIRECT: |
||
2485 | if (*type->u.kindirect->slot == DEBUG_TYPE_NULL) |
||
2486 | return (*fns->empty_type) (fhandle); |
||
2487 | return debug_write_type (info, fns, fhandle, *type->u.kindirect->slot, |
||
2488 | name); |
||
2489 | case DEBUG_KIND_VOID: |
||
2490 | return (*fns->void_type) (fhandle); |
||
2491 | case DEBUG_KIND_INT: |
||
2492 | return (*fns->int_type) (fhandle, type->size, type->u.kint); |
||
2493 | case DEBUG_KIND_FLOAT: |
||
2494 | return (*fns->float_type) (fhandle, type->size); |
||
2495 | case DEBUG_KIND_COMPLEX: |
||
2496 | return (*fns->complex_type) (fhandle, type->size); |
||
2497 | case DEBUG_KIND_BOOL: |
||
2498 | return (*fns->bool_type) (fhandle, type->size); |
||
2499 | case DEBUG_KIND_STRUCT: |
||
2500 | case DEBUG_KIND_UNION: |
||
2501 | if (type->u.kclass != NULL) |
||
2502 | { |
||
2503 | if (type->u.kclass->id <= info->base_id) |
||
2504 | { |
||
2505 | if (! debug_set_class_id (info, tag, type)) |
||
2506 | return FALSE; |
||
2507 | } |
||
2508 | |||
2509 | if (info->mark == type->u.kclass->mark) |
||
2510 | { |
||
2511 | /* We are currently outputting this struct, or we have |
||
2512 | already output it. I don't know if this can happen, |
||
2513 | but it can happen for a class. */ |
||
2514 | assert (type->u.kclass->id > info->base_id); |
||
2515 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, |
||
2516 | type->kind); |
||
2517 | } |
||
2518 | type->u.kclass->mark = info->mark; |
||
2519 | } |
||
2520 | |||
2521 | if (! (*fns->start_struct_type) (fhandle, tag, |
||
2522 | (type->u.kclass != NULL |
||
2523 | ? type->u.kclass->id |
||
2524 | : 0), |
||
2525 | type->kind == DEBUG_KIND_STRUCT, |
||
2526 | type->size)) |
||
2527 | return FALSE; |
||
2528 | if (type->u.kclass != NULL |
||
2529 | && type->u.kclass->fields != NULL) |
||
2530 | { |
||
2531 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) |
||
2532 | { |
||
2533 | struct debug_field_s *f; |
||
2534 | |||
2535 | f = type->u.kclass->fields[i]; |
||
2536 | if (! debug_write_type (info, fns, fhandle, f->type, |
||
2537 | (struct debug_name *) NULL) |
||
2538 | || ! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, |
||
2539 | f->u.f.bitsize, f->visibility)) |
||
2540 | return FALSE; |
||
2541 | } |
||
2542 | } |
||
2543 | return (*fns->end_struct_type) (fhandle); |
||
2544 | case DEBUG_KIND_CLASS: |
||
2545 | case DEBUG_KIND_UNION_CLASS: |
||
2546 | return debug_write_class_type (info, fns, fhandle, type, tag); |
||
2547 | case DEBUG_KIND_ENUM: |
||
2548 | if (type->u.kenum == NULL) |
||
2549 | return (*fns->enum_type) (fhandle, tag, (const char **) NULL, |
||
2550 | (bfd_signed_vma *) NULL); |
||
2551 | return (*fns->enum_type) (fhandle, tag, type->u.kenum->names, |
||
2552 | type->u.kenum->values); |
||
2553 | case DEBUG_KIND_POINTER: |
||
2554 | if (! debug_write_type (info, fns, fhandle, type->u.kpointer, |
||
2555 | (struct debug_name *) NULL)) |
||
2556 | return FALSE; |
||
2557 | return (*fns->pointer_type) (fhandle); |
||
2558 | case DEBUG_KIND_FUNCTION: |
||
2559 | if (! debug_write_type (info, fns, fhandle, |
||
2560 | type->u.kfunction->return_type, |
||
2561 | (struct debug_name *) NULL)) |
||
2562 | return FALSE; |
||
2563 | if (type->u.kfunction->arg_types == NULL) |
||
2564 | is = -1; |
||
2565 | else |
||
2566 | { |
||
2567 | for (is = 0; type->u.kfunction->arg_types[is] != NULL; is++) |
||
2568 | if (! debug_write_type (info, fns, fhandle, |
||
2569 | type->u.kfunction->arg_types[is], |
||
2570 | (struct debug_name *) NULL)) |
||
2571 | return FALSE; |
||
2572 | } |
||
2573 | return (*fns->function_type) (fhandle, is, |
||
2574 | type->u.kfunction->varargs); |
||
2575 | case DEBUG_KIND_REFERENCE: |
||
2576 | if (! debug_write_type (info, fns, fhandle, type->u.kreference, |
||
2577 | (struct debug_name *) NULL)) |
||
2578 | return FALSE; |
||
2579 | return (*fns->reference_type) (fhandle); |
||
2580 | case DEBUG_KIND_RANGE: |
||
2581 | if (! debug_write_type (info, fns, fhandle, type->u.krange->type, |
||
2582 | (struct debug_name *) NULL)) |
||
2583 | return FALSE; |
||
2584 | return (*fns->range_type) (fhandle, type->u.krange->lower, |
||
2585 | type->u.krange->upper); |
||
2586 | case DEBUG_KIND_ARRAY: |
||
2587 | if (! debug_write_type (info, fns, fhandle, type->u.karray->element_type, |
||
2588 | (struct debug_name *) NULL) |
||
2589 | || ! debug_write_type (info, fns, fhandle, |
||
2590 | type->u.karray->range_type, |
||
2591 | (struct debug_name *) NULL)) |
||
2592 | return FALSE; |
||
2593 | return (*fns->array_type) (fhandle, type->u.karray->lower, |
||
2594 | type->u.karray->upper, |
||
2595 | type->u.karray->stringp); |
||
2596 | case DEBUG_KIND_SET: |
||
2597 | if (! debug_write_type (info, fns, fhandle, type->u.kset->type, |
||
2598 | (struct debug_name *) NULL)) |
||
2599 | return FALSE; |
||
2600 | return (*fns->set_type) (fhandle, type->u.kset->bitstringp); |
||
2601 | case DEBUG_KIND_OFFSET: |
||
2602 | if (! debug_write_type (info, fns, fhandle, type->u.koffset->base_type, |
||
2603 | (struct debug_name *) NULL) |
||
2604 | || ! debug_write_type (info, fns, fhandle, |
||
2605 | type->u.koffset->target_type, |
||
2606 | (struct debug_name *) NULL)) |
||
2607 | return FALSE; |
||
2608 | return (*fns->offset_type) (fhandle); |
||
2609 | case DEBUG_KIND_METHOD: |
||
2610 | if (! debug_write_type (info, fns, fhandle, |
||
2611 | type->u.kmethod->return_type, |
||
2612 | (struct debug_name *) NULL)) |
||
2613 | return FALSE; |
||
2614 | if (type->u.kmethod->arg_types == NULL) |
||
2615 | is = -1; |
||
2616 | else |
||
2617 | { |
||
2618 | for (is = 0; type->u.kmethod->arg_types[is] != NULL; is++) |
||
2619 | if (! debug_write_type (info, fns, fhandle, |
||
2620 | type->u.kmethod->arg_types[is], |
||
2621 | (struct debug_name *) NULL)) |
||
2622 | return FALSE; |
||
2623 | } |
||
2624 | if (type->u.kmethod->domain_type != NULL) |
||
2625 | { |
||
2626 | if (! debug_write_type (info, fns, fhandle, |
||
2627 | type->u.kmethod->domain_type, |
||
2628 | (struct debug_name *) NULL)) |
||
2629 | return FALSE; |
||
2630 | } |
||
2631 | return (*fns->method_type) (fhandle, |
||
2632 | type->u.kmethod->domain_type != NULL, |
||
2633 | is, |
||
2634 | type->u.kmethod->varargs); |
||
2635 | case DEBUG_KIND_CONST: |
||
2636 | if (! debug_write_type (info, fns, fhandle, type->u.kconst, |
||
2637 | (struct debug_name *) NULL)) |
||
2638 | return FALSE; |
||
2639 | return (*fns->const_type) (fhandle); |
||
2640 | case DEBUG_KIND_VOLATILE: |
||
2641 | if (! debug_write_type (info, fns, fhandle, type->u.kvolatile, |
||
2642 | (struct debug_name *) NULL)) |
||
2643 | return FALSE; |
||
2644 | return (*fns->volatile_type) (fhandle); |
||
2645 | case DEBUG_KIND_NAMED: |
||
2646 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, |
||
2647 | (struct debug_name *) NULL); |
||
2648 | case DEBUG_KIND_TAGGED: |
||
2649 | return debug_write_type (info, fns, fhandle, type->u.knamed->type, |
||
2650 | type->u.knamed->name); |
||
2651 | default: |
||
2652 | abort (); |
||
2653 | return FALSE; |
||
2654 | } |
||
2655 | } |
||
2656 | |||
2657 | /* Write out a class type. */ |
||
2658 | |||
2659 | static bfd_boolean |
||
2660 | debug_write_class_type (struct debug_handle *info, |
||
2661 | const struct debug_write_fns *fns, void *fhandle, |
||
2662 | struct debug_type_s *type, const char *tag) |
||
2663 | { |
||
2664 | unsigned int i; |
||
2665 | unsigned int id; |
||
2666 | struct debug_type_s *vptrbase; |
||
2667 | |||
2668 | if (type->u.kclass == NULL) |
||
2669 | { |
||
2670 | id = 0; |
||
2671 | vptrbase = NULL; |
||
2672 | } |
||
2673 | else |
||
2674 | { |
||
2675 | if (type->u.kclass->id <= info->base_id) |
||
2676 | { |
||
2677 | if (! debug_set_class_id (info, tag, type)) |
||
2678 | return FALSE; |
||
2679 | } |
||
2680 | |||
2681 | if (info->mark == type->u.kclass->mark) |
||
2682 | { |
||
2683 | /* We are currently outputting this class, or we have |
||
2684 | already output it. This can happen when there are |
||
2685 | methods for an anonymous class. */ |
||
2686 | assert (type->u.kclass->id > info->base_id); |
||
2687 | return (*fns->tag_type) (fhandle, tag, type->u.kclass->id, |
||
2688 | type->kind); |
||
2689 | } |
||
2690 | type->u.kclass->mark = info->mark; |
||
2691 | id = type->u.kclass->id; |
||
2692 | |||
2693 | vptrbase = type->u.kclass->vptrbase; |
||
2694 | if (vptrbase != NULL && vptrbase != type) |
||
2695 | { |
||
2696 | if (! debug_write_type (info, fns, fhandle, vptrbase, |
||
2697 | (struct debug_name *) NULL)) |
||
2698 | return FALSE; |
||
2699 | } |
||
2700 | } |
||
2701 | |||
2702 | if (! (*fns->start_class_type) (fhandle, tag, id, |
||
2703 | type->kind == DEBUG_KIND_CLASS, |
||
2704 | type->size, |
||
2705 | vptrbase != NULL, |
||
2706 | vptrbase == type)) |
||
2707 | return FALSE; |
||
2708 | |||
2709 | if (type->u.kclass != NULL) |
||
2710 | { |
||
2711 | if (type->u.kclass->fields != NULL) |
||
2712 | { |
||
2713 | for (i = 0; type->u.kclass->fields[i] != NULL; i++) |
||
2714 | { |
||
2715 | struct debug_field_s *f; |
||
2716 | |||
2717 | f = type->u.kclass->fields[i]; |
||
2718 | if (! debug_write_type (info, fns, fhandle, f->type, |
||
2719 | (struct debug_name *) NULL)) |
||
2720 | return FALSE; |
||
2721 | if (f->static_member) |
||
2722 | { |
||
2723 | if (! (*fns->class_static_member) (fhandle, f->name, |
||
2724 | f->u.s.physname, |
||
2725 | f->visibility)) |
||
2726 | return FALSE; |
||
2727 | } |
||
2728 | else |
||
2729 | { |
||
2730 | if (! (*fns->struct_field) (fhandle, f->name, f->u.f.bitpos, |
||
2731 | f->u.f.bitsize, f->visibility)) |
||
2732 | return FALSE; |
||
2733 | } |
||
2734 | } |
||
2735 | } |
||
2736 | |||
2737 | if (type->u.kclass->baseclasses != NULL) |
||
2738 | { |
||
2739 | for (i = 0; type->u.kclass->baseclasses[i] != NULL; i++) |
||
2740 | { |
||
2741 | struct debug_baseclass_s *b; |
||
2742 | |||
2743 | b = type->u.kclass->baseclasses[i]; |
||
2744 | if (! debug_write_type (info, fns, fhandle, b->type, |
||
2745 | (struct debug_name *) NULL)) |
||
2746 | return FALSE; |
||
2747 | if (! (*fns->class_baseclass) (fhandle, b->bitpos, b->is_virtual, |
||
2748 | b->visibility)) |
||
2749 | return FALSE; |
||
2750 | } |
||
2751 | } |
||
2752 | |||
2753 | if (type->u.kclass->methods != NULL) |
||
2754 | { |
||
2755 | for (i = 0; type->u.kclass->methods[i] != NULL; i++) |
||
2756 | { |
||
2757 | struct debug_method_s *m; |
||
2758 | unsigned int j; |
||
2759 | |||
2760 | m = type->u.kclass->methods[i]; |
||
2761 | if (! (*fns->class_start_method) (fhandle, m->name)) |
||
2762 | return FALSE; |
||
2763 | for (j = 0; m->variants[j] != NULL; j++) |
||
2764 | { |
||
2765 | struct debug_method_variant_s *v; |
||
2766 | |||
2767 | v = m->variants[j]; |
||
2768 | if (v->context != NULL) |
||
2769 | { |
||
2770 | if (! debug_write_type (info, fns, fhandle, v->context, |
||
2771 | (struct debug_name *) NULL)) |
||
2772 | return FALSE; |
||
2773 | } |
||
2774 | if (! debug_write_type (info, fns, fhandle, v->type, |
||
2775 | (struct debug_name *) NULL)) |
||
2776 | return FALSE; |
||
2777 | if (v->voffset != VOFFSET_STATIC_METHOD) |
||
2778 | { |
||
2779 | if (! (*fns->class_method_variant) (fhandle, v->physname, |
||
2780 | v->visibility, |
||
2781 | v->constp, |
||
2782 | v->volatilep, |
||
2783 | v->voffset, |
||
2784 | v->context != NULL)) |
||
2785 | return FALSE; |
||
2786 | } |
||
2787 | else |
||
2788 | { |
||
2789 | if (! (*fns->class_static_method_variant) (fhandle, |
||
2790 | v->physname, |
||
2791 | v->visibility, |
||
2792 | v->constp, |
||
2793 | v->volatilep)) |
||
2794 | return FALSE; |
||
2795 | } |
||
2796 | } |
||
2797 | if (! (*fns->class_end_method) (fhandle)) |
||
2798 | return FALSE; |
||
2799 | } |
||
2800 | } |
||
2801 | } |
||
2802 | |||
2803 | return (*fns->end_class_type) (fhandle); |
||
2804 | } |
||
2805 | |||
2806 | /* Write out information for a function. */ |
||
2807 | |||
2808 | static bfd_boolean |
||
2809 | debug_write_function (struct debug_handle *info, |
||
2810 | const struct debug_write_fns *fns, void *fhandle, |
||
2811 | const char *name, enum debug_object_linkage linkage, |
||
2812 | struct debug_function *function) |
||
2813 | { |
||
2814 | struct debug_parameter *p; |
||
2815 | struct debug_block *b; |
||
2816 | |||
2817 | if (! debug_write_linenos (info, fns, fhandle, function->blocks->start)) |
||
2818 | return FALSE; |
||
2819 | |||
2820 | if (! debug_write_type (info, fns, fhandle, function->return_type, |
||
2821 | (struct debug_name *) NULL)) |
||
2822 | return FALSE; |
||
2823 | |||
2824 | if (! (*fns->start_function) (fhandle, name, |
||
2825 | linkage == DEBUG_LINKAGE_GLOBAL)) |
||
2826 | return FALSE; |
||
2827 | |||
2828 | for (p = function->parameters; p != NULL; p = p->next) |
||
2829 | { |
||
2830 | if (! debug_write_type (info, fns, fhandle, p->type, |
||
2831 | (struct debug_name *) NULL) |
||
2832 | || ! (*fns->function_parameter) (fhandle, p->name, p->kind, p->val)) |
||
2833 | return FALSE; |
||
2834 | } |
||
2835 | |||
2836 | for (b = function->blocks; b != NULL; b = b->next) |
||
2837 | { |
||
2838 | if (! debug_write_block (info, fns, fhandle, b)) |
||
2839 | return FALSE; |
||
2840 | } |
||
2841 | |||
2842 | return (*fns->end_function) (fhandle); |
||
2843 | } |
||
2844 | |||
2845 | /* Write out information for a block. */ |
||
2846 | |||
2847 | static bfd_boolean |
||
2848 | debug_write_block (struct debug_handle *info, |
||
2849 | const struct debug_write_fns *fns, void *fhandle, |
||
2850 | struct debug_block *block) |
||
2851 | { |
||
2852 | struct debug_name *n; |
||
2853 | struct debug_block *b; |
||
2854 | |||
2855 | if (! debug_write_linenos (info, fns, fhandle, block->start)) |
||
2856 | return FALSE; |
||
2857 | |||
2858 | /* I can't see any point to writing out a block with no local |
||
2859 | variables, so we don't bother, except for the top level block. */ |
||
2860 | if (block->locals != NULL || block->parent == NULL) |
||
2861 | { |
||
2862 | if (! (*fns->start_block) (fhandle, block->start)) |
||
2863 | return FALSE; |
||
2864 | } |
||
2865 | |||
2866 | if (block->locals != NULL) |
||
2867 | { |
||
2868 | for (n = block->locals->list; n != NULL; n = n->next) |
||
2869 | { |
||
2870 | if (! debug_write_name (info, fns, fhandle, n)) |
||
2871 | return FALSE; |
||
2872 | } |
||
2873 | } |
||
2874 | |||
2875 | for (b = block->children; b != NULL; b = b->next) |
||
2876 | { |
||
2877 | if (! debug_write_block (info, fns, fhandle, b)) |
||
2878 | return FALSE; |
||
2879 | } |
||
2880 | |||
2881 | if (! debug_write_linenos (info, fns, fhandle, block->end)) |
||
2882 | return FALSE; |
||
2883 | |||
2884 | if (block->locals != NULL || block->parent == NULL) |
||
2885 | { |
||
2886 | if (! (*fns->end_block) (fhandle, block->end)) |
||
2887 | return FALSE; |
||
2888 | } |
||
2889 | |||
2890 | return TRUE; |
||
2891 | } |
||
2892 | |||
2893 | /* Write out line number information up to ADDRESS. */ |
||
2894 | |||
2895 | static bfd_boolean |
||
2896 | debug_write_linenos (struct debug_handle *info, |
||
2897 | const struct debug_write_fns *fns, void *fhandle, |
||
2898 | bfd_vma address) |
||
2899 | { |
||
2900 | while (info->current_write_lineno != NULL) |
||
2901 | { |
||
2902 | struct debug_lineno *l; |
||
2903 | |||
2904 | l = info->current_write_lineno; |
||
2905 | |||
2906 | while (info->current_write_lineno_index < DEBUG_LINENO_COUNT) |
||
2907 | { |
||
2908 | if (l->linenos[info->current_write_lineno_index] |
||
2909 | == (unsigned long) -1) |
||
2910 | break; |
||
2911 | |||
2912 | if (l->addrs[info->current_write_lineno_index] >= address) |
||
2913 | return TRUE; |
||
2914 | |||
2915 | if (! (*fns->lineno) (fhandle, l->file->filename, |
||
2916 | l->linenos[info->current_write_lineno_index], |
||
2917 | l->addrs[info->current_write_lineno_index])) |
||
2918 | return FALSE; |
||
2919 | |||
2920 | ++info->current_write_lineno_index; |
||
2921 | } |
||
2922 | |||
2923 | info->current_write_lineno = l->next; |
||
2924 | info->current_write_lineno_index = 0; |
||
2925 | } |
||
2926 | |||
2927 | return TRUE; |
||
2928 | } |
||
2929 | |||
2930 | /* Get the ID number for a class. If during the same call to |
||
2931 | debug_write we find a struct with the same definition with the same |
||
2932 | name, we use the same ID. This type of things happens because the |
||
2933 | same struct will be defined by multiple compilation units. */ |
||
2934 | |||
2935 | static bfd_boolean |
||
2936 | debug_set_class_id (struct debug_handle *info, const char *tag, |
||
2937 | struct debug_type_s *type) |
||
2938 | { |
||
2939 | struct debug_class_type *c; |
||
2940 | struct debug_class_id *l; |
||
2941 | |||
2942 | assert (type->kind == DEBUG_KIND_STRUCT |
||
2943 | || type->kind == DEBUG_KIND_UNION |
||
2944 | || type->kind == DEBUG_KIND_CLASS |
||
2945 | || type->kind == DEBUG_KIND_UNION_CLASS); |
||
2946 | |||
2947 | c = type->u.kclass; |
||
2948 | |||
2949 | if (c->id > info->base_id) |
||
2950 | return TRUE; |
||
2951 | |||
2952 | for (l = info->id_list; l != NULL; l = l->next) |
||
2953 | { |
||
2954 | if (l->type->kind != type->kind) |
||
2955 | continue; |
||
2956 | |||
2957 | if (tag == NULL) |
||
2958 | { |
||
2959 | if (l->tag != NULL) |
||
2960 | continue; |
||
2961 | } |
||
2962 | else |
||
2963 | { |
||
2964 | if (l->tag == NULL |
||
2965 | || l->tag[0] != tag[0] |
||
2966 | || strcmp (l->tag, tag) != 0) |
||
2967 | continue; |
||
2968 | } |
||
2969 | |||
2970 | if (debug_type_samep (info, l->type, type)) |
||
2971 | { |
||
2972 | c->id = l->type->u.kclass->id; |
||
2973 | return TRUE; |
||
2974 | } |
||
2975 | } |
||
2976 | |||
2977 | /* There are no identical types. Use a new ID, and add it to the |
||
2978 | list. */ |
||
2979 | ++info->class_id; |
||
2980 | c->id = info->class_id; |
||
2981 | |||
2982 | l = (struct debug_class_id *) xmalloc (sizeof *l); |
||
2983 | memset (l, 0, sizeof *l); |
||
2984 | |||
2985 | l->type = type; |
||
2986 | l->tag = tag; |
||
2987 | |||
2988 | l->next = info->id_list; |
||
2989 | info->id_list = l; |
||
2990 | |||
2991 | return TRUE; |
||
2992 | } |
||
2993 | |||
2994 | /* See if two types are the same. At this point, we don't care about |
||
2995 | tags and the like. */ |
||
2996 | |||
2997 | static bfd_boolean |
||
2998 | debug_type_samep (struct debug_handle *info, struct debug_type_s *t1, |
||
2999 | struct debug_type_s *t2) |
||
3000 | { |
||
3001 | struct debug_type_compare_list *l; |
||
3002 | struct debug_type_compare_list top; |
||
3003 | bfd_boolean ret; |
||
3004 | |||
3005 | if (t1 == NULL) |
||
3006 | return t2 == NULL; |
||
3007 | if (t2 == NULL) |
||
3008 | return FALSE; |
||
3009 | |||
3010 | while (t1->kind == DEBUG_KIND_INDIRECT) |
||
3011 | { |
||
3012 | t1 = *t1->u.kindirect->slot; |
||
3013 | if (t1 == NULL) |
||
3014 | return FALSE; |
||
3015 | } |
||
3016 | while (t2->kind == DEBUG_KIND_INDIRECT) |
||
3017 | { |
||
3018 | t2 = *t2->u.kindirect->slot; |
||
3019 | if (t2 == NULL) |
||
3020 | return FALSE; |
||
3021 | } |
||
3022 | |||
3023 | if (t1 == t2) |
||
3024 | return TRUE; |
||
3025 | |||
3026 | /* As a special case, permit a typedef to match a tag, since C++ |
||
3027 | debugging output will sometimes add a typedef where C debugging |
||
3028 | output will not. */ |
||
3029 | if (t1->kind == DEBUG_KIND_NAMED |
||
3030 | && t2->kind == DEBUG_KIND_TAGGED) |
||
3031 | return debug_type_samep (info, t1->u.knamed->type, t2); |
||
3032 | else if (t1->kind == DEBUG_KIND_TAGGED |
||
3033 | && t2->kind == DEBUG_KIND_NAMED) |
||
3034 | return debug_type_samep (info, t1, t2->u.knamed->type); |
||
3035 | |||
3036 | if (t1->kind != t2->kind |
||
3037 | || t1->size != t2->size) |
||
3038 | return FALSE; |
||
3039 | |||
3040 | /* Get rid of the trivial cases first. */ |
||
3041 | switch (t1->kind) |
||
3042 | { |
||
3043 | default: |
||
3044 | break; |
||
3045 | case DEBUG_KIND_VOID: |
||
3046 | case DEBUG_KIND_FLOAT: |
||
3047 | case DEBUG_KIND_COMPLEX: |
||
3048 | case DEBUG_KIND_BOOL: |
||
3049 | return TRUE; |
||
3050 | case DEBUG_KIND_INT: |
||
3051 | return t1->u.kint == t2->u.kint; |
||
3052 | } |
||
3053 | |||
3054 | /* We have to avoid an infinite recursion. We do this by keeping a |
||
3055 | list of types which we are comparing. We just keep the list on |
||
3056 | the stack. If we encounter a pair of types we are currently |
||
3057 | comparing, we just assume that they are equal. */ |
||
3058 | for (l = info->compare_list; l != NULL; l = l->next) |
||
3059 | { |
||
3060 | if (l->t1 == t1 && l->t2 == t2) |
||
3061 | return TRUE; |
||
3062 | } |
||
3063 | |||
3064 | top.t1 = t1; |
||
3065 | top.t2 = t2; |
||
3066 | top.next = info->compare_list; |
||
3067 | info->compare_list = ⊤ |
||
3068 | |||
3069 | switch (t1->kind) |
||
3070 | { |
||
3071 | default: |
||
3072 | abort (); |
||
3073 | ret = FALSE; |
||
3074 | break; |
||
3075 | |||
3076 | case DEBUG_KIND_STRUCT: |
||
3077 | case DEBUG_KIND_UNION: |
||
3078 | case DEBUG_KIND_CLASS: |
||
3079 | case DEBUG_KIND_UNION_CLASS: |
||
3080 | if (t1->u.kclass == NULL) |
||
3081 | ret = t2->u.kclass == NULL; |
||
3082 | else if (t2->u.kclass == NULL) |
||
3083 | ret = FALSE; |
||
3084 | else if (t1->u.kclass->id > info->base_id |
||
3085 | && t1->u.kclass->id == t2->u.kclass->id) |
||
3086 | ret = TRUE; |
||
3087 | else |
||
3088 | ret = debug_class_type_samep (info, t1, t2); |
||
3089 | break; |
||
3090 | |||
3091 | case DEBUG_KIND_ENUM: |
||
3092 | if (t1->u.kenum == NULL) |
||
3093 | ret = t2->u.kenum == NULL; |
||
3094 | else if (t2->u.kenum == NULL) |
||
3095 | ret = FALSE; |
||
3096 | else |
||
3097 | { |
||
3098 | const char **pn1, **pn2; |
||
3099 | bfd_signed_vma *pv1, *pv2; |
||
3100 | |||
3101 | pn1 = t1->u.kenum->names; |
||
3102 | pn2 = t2->u.kenum->names; |
||
3103 | pv1 = t1->u.kenum->values; |
||
3104 | pv2 = t2->u.kenum->values; |
||
3105 | while (*pn1 != NULL && *pn2 != NULL) |
||
3106 | { |
||
3107 | if (**pn1 != **pn2 |
||
3108 | || *pv1 != *pv2 |
||
3109 | || strcmp (*pn1, *pn2) != 0) |
||
3110 | break; |
||
3111 | ++pn1; |
||
3112 | ++pn2; |
||
3113 | ++pv1; |
||
3114 | ++pv2; |
||
3115 | } |
||
3116 | ret = *pn1 == NULL && *pn2 == NULL; |
||
3117 | } |
||
3118 | break; |
||
3119 | |||
3120 | case DEBUG_KIND_POINTER: |
||
3121 | ret = debug_type_samep (info, t1->u.kpointer, t2->u.kpointer); |
||
3122 | break; |
||
3123 | |||
3124 | case DEBUG_KIND_FUNCTION: |
||
3125 | if (t1->u.kfunction->varargs != t2->u.kfunction->varargs |
||
3126 | || ! debug_type_samep (info, t1->u.kfunction->return_type, |
||
3127 | t2->u.kfunction->return_type) |
||
3128 | || ((t1->u.kfunction->arg_types == NULL) |
||
3129 | != (t2->u.kfunction->arg_types == NULL))) |
||
3130 | ret = FALSE; |
||
3131 | else if (t1->u.kfunction->arg_types == NULL) |
||
3132 | ret = TRUE; |
||
3133 | else |
||
3134 | { |
||
3135 | struct debug_type_s **a1, **a2; |
||
3136 | |||
3137 | a1 = t1->u.kfunction->arg_types; |
||
3138 | a2 = t2->u.kfunction->arg_types; |
||
3139 | while (*a1 != NULL && *a2 != NULL) |
||
3140 | { |
||
3141 | if (! debug_type_samep (info, *a1, *a2)) |
||
3142 | break; |
||
3143 | ++a1; |
||
3144 | ++a2; |
||
3145 | } |
||
3146 | ret = *a1 == NULL && *a2 == NULL; |
||
3147 | } |
||
3148 | break; |
||
3149 | |||
3150 | case DEBUG_KIND_REFERENCE: |
||
3151 | ret = debug_type_samep (info, t1->u.kreference, t2->u.kreference); |
||
3152 | break; |
||
3153 | |||
3154 | case DEBUG_KIND_RANGE: |
||
3155 | ret = (t1->u.krange->lower == t2->u.krange->lower |
||
3156 | && t1->u.krange->upper == t2->u.krange->upper |
||
3157 | && debug_type_samep (info, t1->u.krange->type, |
||
3158 | t2->u.krange->type)); |
||
3159 | |||
3160 | case DEBUG_KIND_ARRAY: |
||
3161 | ret = (t1->u.karray->lower == t2->u.karray->lower |
||
3162 | && t1->u.karray->upper == t2->u.karray->upper |
||
3163 | && t1->u.karray->stringp == t2->u.karray->stringp |
||
3164 | && debug_type_samep (info, t1->u.karray->element_type, |
||
3165 | t2->u.karray->element_type)); |
||
3166 | break; |
||
3167 | |||
3168 | case DEBUG_KIND_SET: |
||
3169 | ret = (t1->u.kset->bitstringp == t2->u.kset->bitstringp |
||
3170 | && debug_type_samep (info, t1->u.kset->type, t2->u.kset->type)); |
||
3171 | break; |
||
3172 | |||
3173 | case DEBUG_KIND_OFFSET: |
||
3174 | ret = (debug_type_samep (info, t1->u.koffset->base_type, |
||
3175 | t2->u.koffset->base_type) |
||
3176 | && debug_type_samep (info, t1->u.koffset->target_type, |
||
3177 | t2->u.koffset->target_type)); |
||
3178 | break; |
||
3179 | |||
3180 | case DEBUG_KIND_METHOD: |
||
3181 | if (t1->u.kmethod->varargs != t2->u.kmethod->varargs |
||
3182 | || ! debug_type_samep (info, t1->u.kmethod->return_type, |
||
3183 | t2->u.kmethod->return_type) |
||
3184 | || ! debug_type_samep (info, t1->u.kmethod->domain_type, |
||
3185 | t2->u.kmethod->domain_type) |
||
3186 | || ((t1->u.kmethod->arg_types == NULL) |
||
3187 | != (t2->u.kmethod->arg_types == NULL))) |
||
3188 | ret = FALSE; |
||
3189 | else if (t1->u.kmethod->arg_types == NULL) |
||
3190 | ret = TRUE; |
||
3191 | else |
||
3192 | { |
||
3193 | struct debug_type_s **a1, **a2; |
||
3194 | |||
3195 | a1 = t1->u.kmethod->arg_types; |
||
3196 | a2 = t2->u.kmethod->arg_types; |
||
3197 | while (*a1 != NULL && *a2 != NULL) |
||
3198 | { |
||
3199 | if (! debug_type_samep (info, *a1, *a2)) |
||
3200 | break; |
||
3201 | ++a1; |
||
3202 | ++a2; |
||
3203 | } |
||
3204 | ret = *a1 == NULL && *a2 == NULL; |
||
3205 | } |
||
3206 | break; |
||
3207 | |||
3208 | case DEBUG_KIND_CONST: |
||
3209 | ret = debug_type_samep (info, t1->u.kconst, t2->u.kconst); |
||
3210 | break; |
||
3211 | |||
3212 | case DEBUG_KIND_VOLATILE: |
||
3213 | ret = debug_type_samep (info, t1->u.kvolatile, t2->u.kvolatile); |
||
3214 | break; |
||
3215 | |||
3216 | case DEBUG_KIND_NAMED: |
||
3217 | case DEBUG_KIND_TAGGED: |
||
3218 | ret = (strcmp (t1->u.knamed->name->name, t2->u.knamed->name->name) == 0 |
||
3219 | && debug_type_samep (info, t1->u.knamed->type, |
||
3220 | t2->u.knamed->type)); |
||
3221 | break; |
||
3222 | } |
||
3223 | |||
3224 | info->compare_list = top.next; |
||
3225 | |||
3226 | return ret; |
||
3227 | } |
||
3228 | |||
3229 | /* See if two classes are the same. This is a subroutine of |
||
3230 | debug_type_samep. */ |
||
3231 | |||
3232 | static bfd_boolean |
||
3233 | debug_class_type_samep (struct debug_handle *info, struct debug_type_s *t1, |
||
3234 | struct debug_type_s *t2) |
||
3235 | { |
||
3236 | struct debug_class_type *c1, *c2; |
||
3237 | |||
3238 | c1 = t1->u.kclass; |
||
3239 | c2 = t2->u.kclass; |
||
3240 | |||
3241 | if ((c1->fields == NULL) != (c2->fields == NULL) |
||
3242 | || (c1->baseclasses == NULL) != (c2->baseclasses == NULL) |
||
3243 | || (c1->methods == NULL) != (c2->methods == NULL) |
||
3244 | || (c1->vptrbase == NULL) != (c2->vptrbase == NULL)) |
||
3245 | return FALSE; |
||
3246 | |||
3247 | if (c1->fields != NULL) |
||
3248 | { |
||
3249 | struct debug_field_s **pf1, **pf2; |
||
3250 | |||
3251 | for (pf1 = c1->fields, pf2 = c2->fields; |
||
3252 | *pf1 != NULL && *pf2 != NULL; |
||
3253 | pf1++, pf2++) |
||
3254 | { |
||
3255 | struct debug_field_s *f1, *f2; |
||
3256 | |||
3257 | f1 = *pf1; |
||
3258 | f2 = *pf2; |
||
3259 | if (f1->name[0] != f2->name[0] |
||
3260 | || f1->visibility != f2->visibility |
||
3261 | || f1->static_member != f2->static_member) |
||
3262 | return FALSE; |
||
3263 | if (f1->static_member) |
||
3264 | { |
||
3265 | if (strcmp (f1->u.s.physname, f2->u.s.physname) != 0) |
||
3266 | return FALSE; |
||
3267 | } |
||
3268 | else |
||
3269 | { |
||
3270 | if (f1->u.f.bitpos != f2->u.f.bitpos |
||
3271 | || f1->u.f.bitsize != f2->u.f.bitsize) |
||
3272 | return FALSE; |
||
3273 | } |
||
3274 | /* We do the checks which require function calls last. We |
||
3275 | don't require that the types of fields have the same |
||
3276 | names, since that sometimes fails in the presence of |
||
3277 | typedefs and we really don't care. */ |
||
3278 | if (strcmp (f1->name, f2->name) != 0 |
||
3279 | || ! debug_type_samep (info, |
||
3280 | debug_get_real_type ((void *) info, |
||
3281 | f1->type, NULL), |
||
3282 | debug_get_real_type ((void *) info, |
||
3283 | f2->type, NULL))) |
||
3284 | return FALSE; |
||
3285 | } |
||
3286 | if (*pf1 != NULL || *pf2 != NULL) |
||
3287 | return FALSE; |
||
3288 | } |
||
3289 | |||
3290 | if (c1->vptrbase != NULL) |
||
3291 | { |
||
3292 | if (! debug_type_samep (info, c1->vptrbase, c2->vptrbase)) |
||
3293 | return FALSE; |
||
3294 | } |
||
3295 | |||
3296 | if (c1->baseclasses != NULL) |
||
3297 | { |
||
3298 | struct debug_baseclass_s **pb1, **pb2; |
||
3299 | |||
3300 | for (pb1 = c1->baseclasses, pb2 = c2->baseclasses; |
||
3301 | *pb1 != NULL && *pb2 != NULL; |
||
3302 | ++pb1, ++pb2) |
||
3303 | { |
||
3304 | struct debug_baseclass_s *b1, *b2; |
||
3305 | |||
3306 | b1 = *pb1; |
||
3307 | b2 = *pb2; |
||
3308 | if (b1->bitpos != b2->bitpos |
||
3309 | || b1->is_virtual != b2->is_virtual |
||
3310 | || b1->visibility != b2->visibility |
||
3311 | || ! debug_type_samep (info, b1->type, b2->type)) |
||
3312 | return FALSE; |
||
3313 | } |
||
3314 | if (*pb1 != NULL || *pb2 != NULL) |
||
3315 | return FALSE; |
||
3316 | } |
||
3317 | |||
3318 | if (c1->methods != NULL) |
||
3319 | { |
||
3320 | struct debug_method_s **pm1, **pm2; |
||
3321 | |||
3322 | for (pm1 = c1->methods, pm2 = c2->methods; |
||
3323 | *pm1 != NULL && *pm2 != NULL; |
||
3324 | ++pm1, ++pm2) |
||
3325 | { |
||
3326 | struct debug_method_s *m1, *m2; |
||
3327 | |||
3328 | m1 = *pm1; |
||
3329 | m2 = *pm2; |
||
3330 | if (m1->name[0] != m2->name[0] |
||
3331 | || strcmp (m1->name, m2->name) != 0 |
||
3332 | || (m1->variants == NULL) != (m2->variants == NULL)) |
||
3333 | return FALSE; |
||
3334 | if (m1->variants == NULL) |
||
3335 | { |
||
3336 | struct debug_method_variant_s **pv1, **pv2; |
||
3337 | |||
3338 | for (pv1 = m1->variants, pv2 = m2->variants; |
||
3339 | *pv1 != NULL && *pv2 != NULL; |
||
3340 | ++pv1, ++pv2) |
||
3341 | { |
||
3342 | struct debug_method_variant_s *v1, *v2; |
||
3343 | |||
3344 | v1 = *pv1; |
||
3345 | v2 = *pv2; |
||
3346 | if (v1->physname[0] != v2->physname[0] |
||
3347 | || v1->visibility != v2->visibility |
||
3348 | || v1->constp != v2->constp |
||
3349 | || v1->volatilep != v2->volatilep |
||
3350 | || v1->voffset != v2->voffset |
||
3351 | || (v1->context == NULL) != (v2->context == NULL) |
||
3352 | || strcmp (v1->physname, v2->physname) != 0 |
||
3353 | || ! debug_type_samep (info, v1->type, v2->type)) |
||
3354 | return FALSE; |
||
3355 | if (v1->context != NULL) |
||
3356 | { |
||
3357 | if (! debug_type_samep (info, v1->context, |
||
3358 | v2->context)) |
||
3359 | return FALSE; |
||
3360 | } |
||
3361 | } |
||
3362 | if (*pv1 != NULL || *pv2 != NULL) |
||
3363 | return FALSE; |
||
3364 | } |
||
3365 | } |
||
3366 | if (*pm1 != NULL || *pm2 != NULL) |
||
3367 | return FALSE; |
||
3368 | } |
||
3369 | |||
3370 | return TRUE; |
||
3371 | }>=>=>=>>> |