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5217 | serge | 1 | /* ieee.c -- Read and write IEEE-695 debugging information. |
2 | Copyright 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006, 2007, |
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3 | 2008, 2009, 2010, 2011 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 | /* This file reads and writes IEEE-695 debugging information. */ |
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24 | |||
25 | #include "sysdep.h" |
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26 | #include |
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27 | #include "bfd.h" |
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28 | #include "ieee.h" |
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29 | #include "libiberty.h" |
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30 | #include "debug.h" |
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31 | #include "budbg.h" |
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32 | #include "filenames.h" |
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33 | |||
34 | /* This structure holds an entry on the block stack. */ |
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35 | |||
36 | struct ieee_block |
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37 | { |
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38 | /* The kind of block. */ |
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39 | int kind; |
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40 | /* The source file name, for a BB5 block. */ |
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41 | const char *filename; |
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42 | /* The index of the function type, for a BB4 or BB6 block. */ |
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43 | unsigned int fnindx; |
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44 | /* TRUE if this function is being skipped. */ |
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45 | bfd_boolean skip; |
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46 | }; |
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47 | |||
48 | /* This structure is the block stack. */ |
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49 | |||
50 | #define BLOCKSTACK_SIZE (16) |
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51 | |||
52 | struct ieee_blockstack |
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53 | { |
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54 | /* The stack pointer. */ |
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55 | struct ieee_block *bsp; |
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56 | /* The stack. */ |
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57 | struct ieee_block stack[BLOCKSTACK_SIZE]; |
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58 | }; |
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59 | |||
60 | /* This structure holds information for a variable. */ |
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61 | |||
62 | enum ieee_var_kind |
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63 | { |
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64 | IEEE_UNKNOWN, |
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65 | IEEE_EXTERNAL, |
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66 | IEEE_GLOBAL, |
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67 | IEEE_STATIC, |
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68 | IEEE_LOCAL, |
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69 | IEEE_FUNCTION |
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70 | }; |
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71 | |||
72 | struct ieee_var |
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73 | { |
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74 | /* Start of name. */ |
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75 | const char *name; |
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76 | /* Length of name. */ |
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77 | unsigned long namlen; |
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78 | /* Type. */ |
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79 | debug_type type; |
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80 | /* Slot if we make an indirect type. */ |
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81 | debug_type *pslot; |
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82 | /* Kind of variable or function. */ |
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83 | enum ieee_var_kind kind; |
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84 | }; |
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85 | |||
86 | /* This structure holds all the variables. */ |
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87 | |||
88 | struct ieee_vars |
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89 | { |
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90 | /* Number of slots allocated. */ |
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91 | unsigned int alloc; |
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92 | /* Variables. */ |
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93 | struct ieee_var *vars; |
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94 | }; |
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95 | |||
96 | /* This structure holds information for a type. We need this because |
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97 | we don't want to represent bitfields as real types. */ |
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98 | |||
99 | struct ieee_type |
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100 | { |
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101 | /* Type. */ |
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102 | debug_type type; |
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103 | /* Slot if this is type is referenced before it is defined. */ |
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104 | debug_type *pslot; |
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105 | /* Slots for arguments if we make indirect types for them. */ |
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106 | debug_type *arg_slots; |
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107 | /* If this is a bitfield, this is the size in bits. If this is not |
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108 | a bitfield, this is zero. */ |
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109 | unsigned long bitsize; |
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110 | }; |
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111 | |||
112 | /* This structure holds all the type information. */ |
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113 | |||
114 | struct ieee_types |
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115 | { |
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116 | /* Number of slots allocated. */ |
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117 | unsigned int alloc; |
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118 | /* Types. */ |
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119 | struct ieee_type *types; |
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120 | /* Builtin types. */ |
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121 | #define BUILTIN_TYPE_COUNT (60) |
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122 | debug_type builtins[BUILTIN_TYPE_COUNT]; |
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123 | }; |
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124 | |||
125 | /* This structure holds a linked last of structs with their tag names, |
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126 | so that we can convert them to C++ classes if necessary. */ |
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127 | |||
128 | struct ieee_tag |
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129 | { |
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130 | /* Next tag. */ |
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131 | struct ieee_tag *next; |
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132 | /* This tag name. */ |
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133 | const char *name; |
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134 | /* The type of the tag. */ |
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135 | debug_type type; |
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136 | /* The tagged type is an indirect type pointing at this slot. */ |
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137 | debug_type slot; |
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138 | /* This is an array of slots used when a field type is converted |
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139 | into a indirect type, in case it needs to be later converted into |
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140 | a reference type. */ |
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141 | debug_type *fslots; |
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142 | }; |
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143 | |||
144 | /* This structure holds the information we pass around to the parsing |
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145 | functions. */ |
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146 | |||
147 | struct ieee_info |
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148 | { |
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149 | /* The debugging handle. */ |
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150 | void *dhandle; |
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151 | /* The BFD. */ |
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152 | bfd *abfd; |
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153 | /* The start of the bytes to be parsed. */ |
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154 | const bfd_byte *bytes; |
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155 | /* The end of the bytes to be parsed. */ |
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156 | const bfd_byte *pend; |
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157 | /* The block stack. */ |
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158 | struct ieee_blockstack blockstack; |
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159 | /* Whether we have seen a BB1 or BB2. */ |
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160 | bfd_boolean saw_filename; |
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161 | /* The variables. */ |
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162 | struct ieee_vars vars; |
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163 | /* The global variables, after a global typedef block. */ |
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164 | struct ieee_vars *global_vars; |
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165 | /* The types. */ |
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166 | struct ieee_types types; |
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167 | /* The global types, after a global typedef block. */ |
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168 | struct ieee_types *global_types; |
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169 | /* The list of tagged structs. */ |
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170 | struct ieee_tag *tags; |
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171 | }; |
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172 | |||
173 | /* Basic builtin types, not including the pointers. */ |
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174 | |||
175 | enum builtin_types |
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176 | { |
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177 | builtin_unknown = 0, |
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178 | builtin_void = 1, |
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179 | builtin_signed_char = 2, |
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180 | builtin_unsigned_char = 3, |
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181 | builtin_signed_short_int = 4, |
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182 | builtin_unsigned_short_int = 5, |
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183 | builtin_signed_long = 6, |
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184 | builtin_unsigned_long = 7, |
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185 | builtin_signed_long_long = 8, |
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186 | builtin_unsigned_long_long = 9, |
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187 | builtin_float = 10, |
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188 | builtin_double = 11, |
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189 | builtin_long_double = 12, |
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190 | builtin_long_long_double = 13, |
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191 | builtin_quoted_string = 14, |
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192 | builtin_instruction_address = 15, |
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193 | builtin_int = 16, |
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194 | builtin_unsigned = 17, |
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195 | builtin_unsigned_int = 18, |
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196 | builtin_char = 19, |
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197 | builtin_long = 20, |
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198 | builtin_short = 21, |
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199 | builtin_unsigned_short = 22, |
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200 | builtin_short_int = 23, |
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201 | builtin_signed_short = 24, |
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202 | builtin_bcd_float = 25 |
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203 | }; |
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204 | |||
205 | /* These are the values found in the derivation flags of a 'b' |
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206 | component record of a 'T' type extension record in a C++ pmisc |
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207 | record. These are bitmasks. */ |
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208 | |||
209 | /* Set for a private base class, clear for a public base class. |
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210 | Protected base classes are not supported. */ |
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211 | #define BASEFLAGS_PRIVATE (0x1) |
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212 | /* Set for a virtual base class. */ |
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213 | #define BASEFLAGS_VIRTUAL (0x2) |
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214 | /* Set for a friend class, clear for a base class. */ |
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215 | #define BASEFLAGS_FRIEND (0x10) |
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216 | |||
217 | /* These are the values found in the specs flags of a 'd', 'm', or 'v' |
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218 | component record of a 'T' type extension record in a C++ pmisc |
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219 | record. The same flags are used for a 'M' record in a C++ pmisc |
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220 | record. */ |
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221 | |||
222 | /* The lower two bits hold visibility information. */ |
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223 | #define CXXFLAGS_VISIBILITY (0x3) |
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224 | /* This value in the lower two bits indicates a public member. */ |
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225 | #define CXXFLAGS_VISIBILITY_PUBLIC (0x0) |
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226 | /* This value in the lower two bits indicates a private member. */ |
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227 | #define CXXFLAGS_VISIBILITY_PRIVATE (0x1) |
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228 | /* This value in the lower two bits indicates a protected member. */ |
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229 | #define CXXFLAGS_VISIBILITY_PROTECTED (0x2) |
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230 | /* Set for a static member. */ |
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231 | #define CXXFLAGS_STATIC (0x4) |
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232 | /* Set for a virtual override. */ |
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233 | #define CXXFLAGS_OVERRIDE (0x8) |
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234 | /* Set for a friend function. */ |
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235 | #define CXXFLAGS_FRIEND (0x10) |
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236 | /* Set for a const function. */ |
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237 | #define CXXFLAGS_CONST (0x20) |
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238 | /* Set for a volatile function. */ |
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239 | #define CXXFLAGS_VOLATILE (0x40) |
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240 | /* Set for an overloaded function. */ |
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241 | #define CXXFLAGS_OVERLOADED (0x80) |
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242 | /* Set for an operator function. */ |
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243 | #define CXXFLAGS_OPERATOR (0x100) |
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244 | /* Set for a constructor or destructor. */ |
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245 | #define CXXFLAGS_CTORDTOR (0x400) |
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246 | /* Set for a constructor. */ |
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247 | #define CXXFLAGS_CTOR (0x200) |
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248 | /* Set for an inline function. */ |
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249 | #define CXXFLAGS_INLINE (0x800) |
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250 | |||
251 | /* Local functions. */ |
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252 | |||
253 | static void ieee_error (struct ieee_info *, const bfd_byte *, const char *); |
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254 | static void ieee_eof (struct ieee_info *); |
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255 | static char *savestring (const char *, unsigned long); |
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256 | static bfd_boolean ieee_read_number |
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257 | (struct ieee_info *, const bfd_byte **, bfd_vma *); |
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258 | static bfd_boolean ieee_read_optional_number |
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259 | (struct ieee_info *, const bfd_byte **, bfd_vma *, bfd_boolean *); |
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260 | static bfd_boolean ieee_read_id |
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261 | (struct ieee_info *, const bfd_byte **, const char **, unsigned long *); |
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262 | static bfd_boolean ieee_read_optional_id |
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263 | (struct ieee_info *, const bfd_byte **, const char **, unsigned long *, |
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264 | bfd_boolean *); |
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265 | static bfd_boolean ieee_read_expression |
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266 | (struct ieee_info *, const bfd_byte **, bfd_vma *); |
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267 | static debug_type ieee_builtin_type |
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268 | (struct ieee_info *, const bfd_byte *, unsigned int); |
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269 | static bfd_boolean ieee_alloc_type |
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270 | (struct ieee_info *, unsigned int, bfd_boolean); |
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271 | static bfd_boolean ieee_read_type_index |
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272 | (struct ieee_info *, const bfd_byte **, debug_type *); |
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273 | static int ieee_regno_to_genreg (bfd *, int); |
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274 | static int ieee_genreg_to_regno (bfd *, int); |
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275 | static bfd_boolean parse_ieee_bb (struct ieee_info *, const bfd_byte **); |
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276 | static bfd_boolean parse_ieee_be (struct ieee_info *, const bfd_byte **); |
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277 | static bfd_boolean parse_ieee_nn (struct ieee_info *, const bfd_byte **); |
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278 | static bfd_boolean parse_ieee_ty (struct ieee_info *, const bfd_byte **); |
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279 | static bfd_boolean parse_ieee_atn (struct ieee_info *, const bfd_byte **); |
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280 | static bfd_boolean ieee_read_cxx_misc |
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281 | (struct ieee_info *, const bfd_byte **, unsigned long); |
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282 | static bfd_boolean ieee_read_cxx_class |
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283 | (struct ieee_info *, const bfd_byte **, unsigned long); |
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284 | static bfd_boolean ieee_read_cxx_defaults |
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285 | (struct ieee_info *, const bfd_byte **, unsigned long); |
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286 | static bfd_boolean ieee_read_reference |
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287 | (struct ieee_info *, const bfd_byte **); |
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288 | static bfd_boolean ieee_require_asn |
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289 | (struct ieee_info *, const bfd_byte **, bfd_vma *); |
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290 | static bfd_boolean ieee_require_atn65 |
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291 | (struct ieee_info *, const bfd_byte **, const char **, unsigned long *); |
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292 | |||
293 | /* Report an error in the IEEE debugging information. */ |
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294 | |||
295 | static void |
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296 | ieee_error (struct ieee_info *info, const bfd_byte *p, const char *s) |
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297 | { |
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298 | if (p != NULL) |
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299 | fprintf (stderr, "%s: 0x%lx: %s (0x%x)\n", bfd_get_filename (info->abfd), |
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300 | (unsigned long) (p - info->bytes), s, *p); |
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301 | else |
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302 | fprintf (stderr, "%s: %s\n", bfd_get_filename (info->abfd), s); |
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303 | } |
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304 | |||
305 | /* Report an unexpected EOF in the IEEE debugging information. */ |
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306 | |||
307 | static void |
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308 | ieee_eof (struct ieee_info *info) |
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309 | { |
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310 | ieee_error (info, (const bfd_byte *) NULL, |
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311 | _("unexpected end of debugging information")); |
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312 | } |
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313 | |||
314 | /* Save a string in memory. */ |
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315 | |||
316 | static char * |
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317 | savestring (const char *start, unsigned long len) |
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318 | { |
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319 | char *ret; |
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320 | |||
321 | ret = (char *) xmalloc (len + 1); |
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322 | memcpy (ret, start, len); |
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323 | ret[len] = '\0'; |
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324 | return ret; |
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325 | } |
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326 | |||
327 | /* Read a number which must be present in an IEEE file. */ |
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328 | |||
329 | static bfd_boolean |
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330 | ieee_read_number (struct ieee_info *info, const bfd_byte **pp, bfd_vma *pv) |
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331 | { |
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332 | return ieee_read_optional_number (info, pp, pv, (bfd_boolean *) NULL); |
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333 | } |
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334 | |||
335 | /* Read a number in an IEEE file. If ppresent is not NULL, the number |
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336 | need not be there. */ |
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337 | |||
338 | static bfd_boolean |
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339 | ieee_read_optional_number (struct ieee_info *info, const bfd_byte **pp, |
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340 | bfd_vma *pv, bfd_boolean *ppresent) |
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341 | { |
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342 | ieee_record_enum_type b; |
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343 | |||
344 | if (*pp >= info->pend) |
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345 | { |
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346 | if (ppresent != NULL) |
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347 | { |
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348 | *ppresent = FALSE; |
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349 | return TRUE; |
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350 | } |
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351 | ieee_eof (info); |
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352 | return FALSE; |
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353 | } |
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354 | |||
355 | b = (ieee_record_enum_type) **pp; |
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356 | ++*pp; |
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357 | |||
358 | if (b <= ieee_number_end_enum) |
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359 | { |
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360 | *pv = (bfd_vma) b; |
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361 | if (ppresent != NULL) |
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362 | *ppresent = TRUE; |
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363 | return TRUE; |
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364 | } |
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365 | |||
366 | if (b >= ieee_number_repeat_start_enum && b <= ieee_number_repeat_end_enum) |
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367 | { |
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368 | unsigned int i; |
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369 | |||
370 | i = (int) b - (int) ieee_number_repeat_start_enum; |
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371 | if (*pp + i - 1 >= info->pend) |
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372 | { |
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373 | ieee_eof (info); |
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374 | return FALSE; |
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375 | } |
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376 | |||
377 | *pv = 0; |
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378 | for (; i > 0; i--) |
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379 | { |
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380 | *pv <<= 8; |
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381 | *pv += **pp; |
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382 | ++*pp; |
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383 | } |
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384 | |||
385 | if (ppresent != NULL) |
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386 | *ppresent = TRUE; |
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387 | |||
388 | return TRUE; |
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389 | } |
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390 | |||
391 | if (ppresent != NULL) |
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392 | { |
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393 | --*pp; |
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394 | *ppresent = FALSE; |
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395 | return TRUE; |
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396 | } |
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397 | |||
398 | ieee_error (info, *pp - 1, _("invalid number")); |
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399 | return FALSE; |
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400 | } |
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401 | |||
402 | /* Read a required string from an IEEE file. */ |
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403 | |||
404 | static bfd_boolean |
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405 | ieee_read_id (struct ieee_info *info, const bfd_byte **pp, |
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406 | const char **pname, unsigned long *pnamlen) |
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407 | { |
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408 | return ieee_read_optional_id (info, pp, pname, pnamlen, (bfd_boolean *) NULL); |
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409 | } |
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410 | |||
411 | /* Read a string from an IEEE file. If ppresent is not NULL, the |
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412 | string is optional. */ |
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413 | |||
414 | static bfd_boolean |
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415 | ieee_read_optional_id (struct ieee_info *info, const bfd_byte **pp, |
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416 | const char **pname, unsigned long *pnamlen, |
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417 | bfd_boolean *ppresent) |
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418 | { |
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419 | bfd_byte b; |
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420 | unsigned long len; |
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421 | |||
422 | if (*pp >= info->pend) |
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423 | { |
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424 | ieee_eof (info); |
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425 | return FALSE; |
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426 | } |
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427 | |||
428 | b = **pp; |
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429 | ++*pp; |
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430 | |||
431 | if (b <= 0x7f) |
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432 | len = b; |
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433 | else if ((ieee_record_enum_type) b == ieee_extension_length_1_enum) |
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434 | { |
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435 | len = **pp; |
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436 | ++*pp; |
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437 | } |
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438 | else if ((ieee_record_enum_type) b == ieee_extension_length_2_enum) |
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439 | { |
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440 | len = (**pp << 8) + (*pp)[1]; |
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441 | *pp += 2; |
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442 | } |
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443 | else |
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444 | { |
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445 | if (ppresent != NULL) |
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446 | { |
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447 | --*pp; |
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448 | *ppresent = FALSE; |
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449 | return TRUE; |
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450 | } |
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451 | ieee_error (info, *pp - 1, _("invalid string length")); |
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452 | return FALSE; |
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453 | } |
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454 | |||
455 | if ((unsigned long) (info->pend - *pp) < len) |
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456 | { |
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457 | ieee_eof (info); |
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458 | return FALSE; |
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459 | } |
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460 | |||
461 | *pname = (const char *) *pp; |
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462 | *pnamlen = len; |
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463 | *pp += len; |
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464 | |||
465 | if (ppresent != NULL) |
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466 | *ppresent = TRUE; |
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467 | |||
468 | return TRUE; |
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469 | } |
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470 | |||
471 | /* Read an expression from an IEEE file. Since this code is only used |
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472 | to parse debugging information, I haven't bothered to write a full |
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473 | blown IEEE expression parser. I've only thrown in the things I've |
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474 | seen in debugging information. This can be easily extended if |
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475 | necessary. */ |
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476 | |||
477 | static bfd_boolean |
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478 | ieee_read_expression (struct ieee_info *info, const bfd_byte **pp, |
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479 | bfd_vma *pv) |
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480 | { |
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481 | const bfd_byte *expr_start; |
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482 | #define EXPR_STACK_SIZE (10) |
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483 | bfd_vma expr_stack[EXPR_STACK_SIZE]; |
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484 | bfd_vma *esp; |
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485 | |||
486 | expr_start = *pp; |
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487 | |||
488 | esp = expr_stack; |
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489 | |||
490 | while (1) |
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491 | { |
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492 | const bfd_byte *start; |
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493 | bfd_vma val; |
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494 | bfd_boolean present; |
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495 | ieee_record_enum_type c; |
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496 | |||
497 | start = *pp; |
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498 | |||
499 | if (! ieee_read_optional_number (info, pp, &val, &present)) |
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500 | return FALSE; |
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501 | |||
502 | if (present) |
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503 | { |
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504 | if (esp - expr_stack >= EXPR_STACK_SIZE) |
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505 | { |
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506 | ieee_error (info, start, _("expression stack overflow")); |
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507 | return FALSE; |
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508 | } |
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509 | *esp++ = val; |
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510 | continue; |
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511 | } |
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512 | |||
513 | c = (ieee_record_enum_type) **pp; |
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514 | |||
515 | if (c >= ieee_module_beginning_enum) |
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516 | break; |
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517 | |||
518 | ++*pp; |
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519 | |||
520 | if (c == ieee_comma) |
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521 | break; |
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522 | |||
523 | switch (c) |
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524 | { |
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525 | default: |
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526 | ieee_error (info, start, _("unsupported IEEE expression operator")); |
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527 | break; |
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528 | |||
529 | case ieee_variable_R_enum: |
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530 | { |
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531 | bfd_vma indx; |
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532 | asection *s; |
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533 | |||
534 | if (! ieee_read_number (info, pp, &indx)) |
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535 | return FALSE; |
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536 | for (s = info->abfd->sections; s != NULL; s = s->next) |
||
537 | if ((bfd_vma) s->target_index == indx) |
||
538 | break; |
||
539 | if (s == NULL) |
||
540 | { |
||
541 | ieee_error (info, start, _("unknown section")); |
||
542 | return FALSE; |
||
543 | } |
||
544 | |||
545 | if (esp - expr_stack >= EXPR_STACK_SIZE) |
||
546 | { |
||
547 | ieee_error (info, start, _("expression stack overflow")); |
||
548 | return FALSE; |
||
549 | } |
||
550 | |||
551 | *esp++ = bfd_get_section_vma (info->abfd, s); |
||
552 | } |
||
553 | break; |
||
554 | |||
555 | case ieee_function_plus_enum: |
||
556 | case ieee_function_minus_enum: |
||
557 | { |
||
558 | bfd_vma v1, v2; |
||
559 | |||
560 | if (esp - expr_stack < 2) |
||
561 | { |
||
562 | ieee_error (info, start, _("expression stack underflow")); |
||
563 | return FALSE; |
||
564 | } |
||
565 | |||
566 | v1 = *--esp; |
||
567 | v2 = *--esp; |
||
568 | *esp++ = v1 + v2; |
||
569 | } |
||
570 | break; |
||
571 | } |
||
572 | } |
||
573 | |||
574 | if (esp - 1 != expr_stack) |
||
575 | { |
||
576 | ieee_error (info, expr_start, _("expression stack mismatch")); |
||
577 | return FALSE; |
||
578 | } |
||
579 | |||
580 | *pv = *--esp; |
||
581 | |||
582 | return TRUE; |
||
583 | } |
||
584 | |||
585 | /* Return an IEEE builtin type. */ |
||
586 | |||
587 | static debug_type |
||
588 | ieee_builtin_type (struct ieee_info *info, const bfd_byte *p, |
||
589 | unsigned int indx) |
||
590 | { |
||
591 | void *dhandle; |
||
592 | debug_type type; |
||
593 | const char *name; |
||
594 | |||
595 | if (indx < BUILTIN_TYPE_COUNT |
||
596 | && info->types.builtins[indx] != DEBUG_TYPE_NULL) |
||
597 | return info->types.builtins[indx]; |
||
598 | |||
599 | dhandle = info->dhandle; |
||
600 | |||
601 | if (indx >= 32 && indx < 64) |
||
602 | { |
||
603 | type = debug_make_pointer_type (dhandle, |
||
604 | ieee_builtin_type (info, p, indx - 32)); |
||
605 | assert (indx < BUILTIN_TYPE_COUNT); |
||
606 | info->types.builtins[indx] = type; |
||
607 | return type; |
||
608 | } |
||
609 | |||
610 | switch ((enum builtin_types) indx) |
||
611 | { |
||
612 | default: |
||
613 | ieee_error (info, p, _("unknown builtin type")); |
||
614 | return NULL; |
||
615 | |||
616 | case builtin_unknown: |
||
617 | type = debug_make_void_type (dhandle); |
||
618 | name = NULL; |
||
619 | break; |
||
620 | |||
621 | case builtin_void: |
||
622 | type = debug_make_void_type (dhandle); |
||
623 | name = "void"; |
||
624 | break; |
||
625 | |||
626 | case builtin_signed_char: |
||
627 | type = debug_make_int_type (dhandle, 1, FALSE); |
||
628 | name = "signed char"; |
||
629 | break; |
||
630 | |||
631 | case builtin_unsigned_char: |
||
632 | type = debug_make_int_type (dhandle, 1, TRUE); |
||
633 | name = "unsigned char"; |
||
634 | break; |
||
635 | |||
636 | case builtin_signed_short_int: |
||
637 | type = debug_make_int_type (dhandle, 2, FALSE); |
||
638 | name = "signed short int"; |
||
639 | break; |
||
640 | |||
641 | case builtin_unsigned_short_int: |
||
642 | type = debug_make_int_type (dhandle, 2, TRUE); |
||
643 | name = "unsigned short int"; |
||
644 | break; |
||
645 | |||
646 | case builtin_signed_long: |
||
647 | type = debug_make_int_type (dhandle, 4, FALSE); |
||
648 | name = "signed long"; |
||
649 | break; |
||
650 | |||
651 | case builtin_unsigned_long: |
||
652 | type = debug_make_int_type (dhandle, 4, TRUE); |
||
653 | name = "unsigned long"; |
||
654 | break; |
||
655 | |||
656 | case builtin_signed_long_long: |
||
657 | type = debug_make_int_type (dhandle, 8, FALSE); |
||
658 | name = "signed long long"; |
||
659 | break; |
||
660 | |||
661 | case builtin_unsigned_long_long: |
||
662 | type = debug_make_int_type (dhandle, 8, TRUE); |
||
663 | name = "unsigned long long"; |
||
664 | break; |
||
665 | |||
666 | case builtin_float: |
||
667 | type = debug_make_float_type (dhandle, 4); |
||
668 | name = "float"; |
||
669 | break; |
||
670 | |||
671 | case builtin_double: |
||
672 | type = debug_make_float_type (dhandle, 8); |
||
673 | name = "double"; |
||
674 | break; |
||
675 | |||
676 | case builtin_long_double: |
||
677 | /* FIXME: The size for this type should depend upon the |
||
678 | processor. */ |
||
679 | type = debug_make_float_type (dhandle, 12); |
||
680 | name = "long double"; |
||
681 | break; |
||
682 | |||
683 | case builtin_long_long_double: |
||
684 | type = debug_make_float_type (dhandle, 16); |
||
685 | name = "long long double"; |
||
686 | break; |
||
687 | |||
688 | case builtin_quoted_string: |
||
689 | type = debug_make_array_type (dhandle, |
||
690 | ieee_builtin_type (info, p, |
||
691 | ((unsigned int) |
||
692 | builtin_char)), |
||
693 | ieee_builtin_type (info, p, |
||
694 | ((unsigned int) |
||
695 | builtin_int)), |
||
696 | 0, -1, TRUE); |
||
697 | name = "QUOTED STRING"; |
||
698 | break; |
||
699 | |||
700 | case builtin_instruction_address: |
||
701 | /* FIXME: This should be a code address. */ |
||
702 | type = debug_make_int_type (dhandle, 4, TRUE); |
||
703 | name = "instruction address"; |
||
704 | break; |
||
705 | |||
706 | case builtin_int: |
||
707 | /* FIXME: The size for this type should depend upon the |
||
708 | processor. */ |
||
709 | type = debug_make_int_type (dhandle, 4, FALSE); |
||
710 | name = "int"; |
||
711 | break; |
||
712 | |||
713 | case builtin_unsigned: |
||
714 | /* FIXME: The size for this type should depend upon the |
||
715 | processor. */ |
||
716 | type = debug_make_int_type (dhandle, 4, TRUE); |
||
717 | name = "unsigned"; |
||
718 | break; |
||
719 | |||
720 | case builtin_unsigned_int: |
||
721 | /* FIXME: The size for this type should depend upon the |
||
722 | processor. */ |
||
723 | type = debug_make_int_type (dhandle, 4, TRUE); |
||
724 | name = "unsigned int"; |
||
725 | break; |
||
726 | |||
727 | case builtin_char: |
||
728 | type = debug_make_int_type (dhandle, 1, FALSE); |
||
729 | name = "char"; |
||
730 | break; |
||
731 | |||
732 | case builtin_long: |
||
733 | type = debug_make_int_type (dhandle, 4, FALSE); |
||
734 | name = "long"; |
||
735 | break; |
||
736 | |||
737 | case builtin_short: |
||
738 | type = debug_make_int_type (dhandle, 2, FALSE); |
||
739 | name = "short"; |
||
740 | break; |
||
741 | |||
742 | case builtin_unsigned_short: |
||
743 | type = debug_make_int_type (dhandle, 2, TRUE); |
||
744 | name = "unsigned short"; |
||
745 | break; |
||
746 | |||
747 | case builtin_short_int: |
||
748 | type = debug_make_int_type (dhandle, 2, FALSE); |
||
749 | name = "short int"; |
||
750 | break; |
||
751 | |||
752 | case builtin_signed_short: |
||
753 | type = debug_make_int_type (dhandle, 2, FALSE); |
||
754 | name = "signed short"; |
||
755 | break; |
||
756 | |||
757 | case builtin_bcd_float: |
||
758 | ieee_error (info, p, _("BCD float type not supported")); |
||
759 | return DEBUG_TYPE_NULL; |
||
760 | } |
||
761 | |||
762 | if (name != NULL) |
||
763 | type = debug_name_type (dhandle, name, type); |
||
764 | |||
765 | assert (indx < BUILTIN_TYPE_COUNT); |
||
766 | |||
767 | info->types.builtins[indx] = type; |
||
768 | |||
769 | return type; |
||
770 | } |
||
771 | |||
772 | /* Allocate more space in the type table. If ref is TRUE, this is a |
||
773 | reference to the type; if it is not already defined, we should set |
||
774 | up an indirect type. */ |
||
775 | |||
776 | static bfd_boolean |
||
777 | ieee_alloc_type (struct ieee_info *info, unsigned int indx, bfd_boolean ref) |
||
778 | { |
||
779 | unsigned int nalloc; |
||
780 | register struct ieee_type *t; |
||
781 | struct ieee_type *tend; |
||
782 | |||
783 | if (indx >= info->types.alloc) |
||
784 | { |
||
785 | nalloc = info->types.alloc; |
||
786 | if (nalloc == 0) |
||
787 | nalloc = 4; |
||
788 | while (indx >= nalloc) |
||
789 | nalloc *= 2; |
||
790 | |||
791 | info->types.types = ((struct ieee_type *) |
||
792 | xrealloc (info->types.types, |
||
793 | nalloc * sizeof *info->types.types)); |
||
794 | |||
795 | memset (info->types.types + info->types.alloc, 0, |
||
796 | (nalloc - info->types.alloc) * sizeof *info->types.types); |
||
797 | |||
798 | tend = info->types.types + nalloc; |
||
799 | for (t = info->types.types + info->types.alloc; t < tend; t++) |
||
800 | t->type = DEBUG_TYPE_NULL; |
||
801 | |||
802 | info->types.alloc = nalloc; |
||
803 | } |
||
804 | |||
805 | if (ref) |
||
806 | { |
||
807 | t = info->types.types + indx; |
||
808 | if (t->type == NULL) |
||
809 | { |
||
810 | t->pslot = (debug_type *) xmalloc (sizeof *t->pslot); |
||
811 | *t->pslot = DEBUG_TYPE_NULL; |
||
812 | t->type = debug_make_indirect_type (info->dhandle, t->pslot, |
||
813 | (const char *) NULL); |
||
814 | if (t->type == NULL) |
||
815 | return FALSE; |
||
816 | } |
||
817 | } |
||
818 | |||
819 | return TRUE; |
||
820 | } |
||
821 | |||
822 | /* Read a type index and return the corresponding type. */ |
||
823 | |||
824 | static bfd_boolean |
||
825 | ieee_read_type_index (struct ieee_info *info, const bfd_byte **pp, |
||
826 | debug_type *ptype) |
||
827 | { |
||
828 | const bfd_byte *start; |
||
829 | bfd_vma indx; |
||
830 | |||
831 | start = *pp; |
||
832 | |||
833 | if (! ieee_read_number (info, pp, &indx)) |
||
834 | return FALSE; |
||
835 | |||
836 | if (indx < 256) |
||
837 | { |
||
838 | *ptype = ieee_builtin_type (info, start, indx); |
||
839 | if (*ptype == NULL) |
||
840 | return FALSE; |
||
841 | return TRUE; |
||
842 | } |
||
843 | |||
844 | indx -= 256; |
||
845 | if (! ieee_alloc_type (info, indx, TRUE)) |
||
846 | return FALSE; |
||
847 | |||
848 | *ptype = info->types.types[indx].type; |
||
849 | |||
850 | return TRUE; |
||
851 | } |
||
852 | |||
853 | /* Parse IEEE debugging information for a file. This is passed the |
||
854 | bytes which compose the Debug Information Part of an IEEE file. */ |
||
855 | |||
856 | bfd_boolean |
||
857 | parse_ieee (void *dhandle, bfd *abfd, const bfd_byte *bytes, bfd_size_type len) |
||
858 | { |
||
859 | struct ieee_info info; |
||
860 | unsigned int i; |
||
861 | const bfd_byte *p, *pend; |
||
862 | |||
863 | info.dhandle = dhandle; |
||
864 | info.abfd = abfd; |
||
865 | info.bytes = bytes; |
||
866 | info.pend = bytes + len; |
||
867 | info.blockstack.bsp = info.blockstack.stack; |
||
868 | info.saw_filename = FALSE; |
||
869 | info.vars.alloc = 0; |
||
870 | info.vars.vars = NULL; |
||
871 | info.global_vars = NULL; |
||
872 | info.types.alloc = 0; |
||
873 | info.types.types = NULL; |
||
874 | info.global_types = NULL; |
||
875 | info.tags = NULL; |
||
876 | for (i = 0; i < BUILTIN_TYPE_COUNT; i++) |
||
877 | info.types.builtins[i] = DEBUG_TYPE_NULL; |
||
878 | |||
879 | p = bytes; |
||
880 | pend = info.pend; |
||
881 | while (p < pend) |
||
882 | { |
||
883 | const bfd_byte *record_start; |
||
884 | ieee_record_enum_type c; |
||
885 | |||
886 | record_start = p; |
||
887 | |||
888 | c = (ieee_record_enum_type) *p++; |
||
889 | |||
890 | if (c == ieee_at_record_enum) |
||
891 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | *p++); |
||
892 | |||
893 | if (c <= ieee_number_repeat_end_enum) |
||
894 | { |
||
895 | ieee_error (&info, record_start, _("unexpected number")); |
||
896 | return FALSE; |
||
897 | } |
||
898 | |||
899 | switch (c) |
||
900 | { |
||
901 | default: |
||
902 | ieee_error (&info, record_start, _("unexpected record type")); |
||
903 | return FALSE; |
||
904 | |||
905 | case ieee_bb_record_enum: |
||
906 | if (! parse_ieee_bb (&info, &p)) |
||
907 | return FALSE; |
||
908 | break; |
||
909 | |||
910 | case ieee_be_record_enum: |
||
911 | if (! parse_ieee_be (&info, &p)) |
||
912 | return FALSE; |
||
913 | break; |
||
914 | |||
915 | case ieee_nn_record: |
||
916 | if (! parse_ieee_nn (&info, &p)) |
||
917 | return FALSE; |
||
918 | break; |
||
919 | |||
920 | case ieee_ty_record_enum: |
||
921 | if (! parse_ieee_ty (&info, &p)) |
||
922 | return FALSE; |
||
923 | break; |
||
924 | |||
925 | case ieee_atn_record_enum: |
||
926 | if (! parse_ieee_atn (&info, &p)) |
||
927 | return FALSE; |
||
928 | break; |
||
929 | } |
||
930 | } |
||
931 | |||
932 | if (info.blockstack.bsp != info.blockstack.stack) |
||
933 | { |
||
934 | ieee_error (&info, (const bfd_byte *) NULL, |
||
935 | _("blocks left on stack at end")); |
||
936 | return FALSE; |
||
937 | } |
||
938 | |||
939 | return TRUE; |
||
940 | } |
||
941 | |||
942 | /* Handle an IEEE BB record. */ |
||
943 | |||
944 | static bfd_boolean |
||
945 | parse_ieee_bb (struct ieee_info *info, const bfd_byte **pp) |
||
946 | { |
||
947 | const bfd_byte *block_start; |
||
948 | bfd_byte b; |
||
949 | bfd_vma size; |
||
950 | const char *name; |
||
951 | unsigned long namlen; |
||
952 | char *namcopy = NULL; |
||
953 | unsigned int fnindx; |
||
954 | bfd_boolean skip; |
||
955 | |||
956 | block_start = *pp; |
||
957 | |||
958 | b = **pp; |
||
959 | ++*pp; |
||
960 | |||
961 | if (! ieee_read_number (info, pp, &size) |
||
962 | || ! ieee_read_id (info, pp, &name, &namlen)) |
||
963 | return FALSE; |
||
964 | |||
965 | fnindx = (unsigned int) -1; |
||
966 | skip = FALSE; |
||
967 | |||
968 | switch (b) |
||
969 | { |
||
970 | case 1: |
||
971 | /* BB1: Type definitions local to a module. */ |
||
972 | namcopy = savestring (name, namlen); |
||
973 | if (namcopy == NULL) |
||
974 | return FALSE; |
||
975 | if (! debug_set_filename (info->dhandle, namcopy)) |
||
976 | return FALSE; |
||
977 | info->saw_filename = TRUE; |
||
978 | |||
979 | /* Discard any variables or types we may have seen before. */ |
||
980 | if (info->vars.vars != NULL) |
||
981 | free (info->vars.vars); |
||
982 | info->vars.vars = NULL; |
||
983 | info->vars.alloc = 0; |
||
984 | if (info->types.types != NULL) |
||
985 | free (info->types.types); |
||
986 | info->types.types = NULL; |
||
987 | info->types.alloc = 0; |
||
988 | |||
989 | /* Initialize the types to the global types. */ |
||
990 | if (info->global_types != NULL) |
||
991 | { |
||
992 | info->types.alloc = info->global_types->alloc; |
||
993 | info->types.types = ((struct ieee_type *) |
||
994 | xmalloc (info->types.alloc |
||
995 | * sizeof (*info->types.types))); |
||
996 | memcpy (info->types.types, info->global_types->types, |
||
997 | info->types.alloc * sizeof (*info->types.types)); |
||
998 | } |
||
999 | |||
1000 | break; |
||
1001 | |||
1002 | case 2: |
||
1003 | /* BB2: Global type definitions. The name is supposed to be |
||
1004 | empty, but we don't check. */ |
||
1005 | if (! debug_set_filename (info->dhandle, "*global*")) |
||
1006 | return FALSE; |
||
1007 | info->saw_filename = TRUE; |
||
1008 | break; |
||
1009 | |||
1010 | case 3: |
||
1011 | /* BB3: High level module block begin. We don't have to do |
||
1012 | anything here. The name is supposed to be the same as for |
||
1013 | the BB1, but we don't check. */ |
||
1014 | break; |
||
1015 | |||
1016 | case 4: |
||
1017 | /* BB4: Global function. */ |
||
1018 | { |
||
1019 | bfd_vma stackspace, typindx, offset; |
||
1020 | debug_type return_type; |
||
1021 | |||
1022 | if (! ieee_read_number (info, pp, &stackspace) |
||
1023 | || ! ieee_read_number (info, pp, &typindx) |
||
1024 | || ! ieee_read_expression (info, pp, &offset)) |
||
1025 | return FALSE; |
||
1026 | |||
1027 | /* We have no way to record the stack space. FIXME. */ |
||
1028 | |||
1029 | if (typindx < 256) |
||
1030 | { |
||
1031 | return_type = ieee_builtin_type (info, block_start, typindx); |
||
1032 | if (return_type == DEBUG_TYPE_NULL) |
||
1033 | return FALSE; |
||
1034 | } |
||
1035 | else |
||
1036 | { |
||
1037 | typindx -= 256; |
||
1038 | if (! ieee_alloc_type (info, typindx, TRUE)) |
||
1039 | return FALSE; |
||
1040 | fnindx = typindx; |
||
1041 | return_type = info->types.types[typindx].type; |
||
1042 | if (debug_get_type_kind (info->dhandle, return_type) |
||
1043 | == DEBUG_KIND_FUNCTION) |
||
1044 | return_type = debug_get_return_type (info->dhandle, |
||
1045 | return_type); |
||
1046 | } |
||
1047 | |||
1048 | namcopy = savestring (name, namlen); |
||
1049 | if (namcopy == NULL) |
||
1050 | return FALSE; |
||
1051 | if (! debug_record_function (info->dhandle, namcopy, return_type, |
||
1052 | TRUE, offset)) |
||
1053 | return FALSE; |
||
1054 | } |
||
1055 | break; |
||
1056 | |||
1057 | case 5: |
||
1058 | /* BB5: File name for source line numbers. */ |
||
1059 | { |
||
1060 | unsigned int i; |
||
1061 | |||
1062 | /* We ignore the date and time. FIXME. */ |
||
1063 | for (i = 0; i < 6; i++) |
||
1064 | { |
||
1065 | bfd_vma ignore; |
||
1066 | bfd_boolean present; |
||
1067 | |||
1068 | if (! ieee_read_optional_number (info, pp, &ignore, &present)) |
||
1069 | return FALSE; |
||
1070 | if (! present) |
||
1071 | break; |
||
1072 | } |
||
1073 | |||
1074 | if (! info->saw_filename) |
||
1075 | { |
||
1076 | namcopy = savestring (name, namlen); |
||
1077 | if (namcopy == NULL) |
||
1078 | return FALSE; |
||
1079 | if (! debug_set_filename (info->dhandle, namcopy)) |
||
1080 | return FALSE; |
||
1081 | info->saw_filename = TRUE; |
||
1082 | } |
||
1083 | |||
1084 | namcopy = savestring (name, namlen); |
||
1085 | if (namcopy == NULL) |
||
1086 | return FALSE; |
||
1087 | if (! debug_start_source (info->dhandle, namcopy)) |
||
1088 | return FALSE; |
||
1089 | } |
||
1090 | break; |
||
1091 | |||
1092 | case 6: |
||
1093 | /* BB6: Local function or block. */ |
||
1094 | { |
||
1095 | bfd_vma stackspace, typindx, offset; |
||
1096 | |||
1097 | if (! ieee_read_number (info, pp, &stackspace) |
||
1098 | || ! ieee_read_number (info, pp, &typindx) |
||
1099 | || ! ieee_read_expression (info, pp, &offset)) |
||
1100 | return FALSE; |
||
1101 | |||
1102 | /* We have no way to record the stack space. FIXME. */ |
||
1103 | |||
1104 | if (namlen == 0) |
||
1105 | { |
||
1106 | if (! debug_start_block (info->dhandle, offset)) |
||
1107 | return FALSE; |
||
1108 | /* Change b to indicate that this is a block |
||
1109 | rather than a function. */ |
||
1110 | b = 0x86; |
||
1111 | } |
||
1112 | else |
||
1113 | { |
||
1114 | /* The MRI C++ compiler will output a fake function named |
||
1115 | __XRYCPP to hold C++ debugging information. We skip |
||
1116 | that function. This is not crucial, but it makes |
||
1117 | converting from IEEE to other debug formats work |
||
1118 | better. */ |
||
1119 | if (strncmp (name, "__XRYCPP", namlen) == 0) |
||
1120 | skip = TRUE; |
||
1121 | else |
||
1122 | { |
||
1123 | debug_type return_type; |
||
1124 | |||
1125 | if (typindx < 256) |
||
1126 | { |
||
1127 | return_type = ieee_builtin_type (info, block_start, |
||
1128 | typindx); |
||
1129 | if (return_type == NULL) |
||
1130 | return FALSE; |
||
1131 | } |
||
1132 | else |
||
1133 | { |
||
1134 | typindx -= 256; |
||
1135 | if (! ieee_alloc_type (info, typindx, TRUE)) |
||
1136 | return FALSE; |
||
1137 | fnindx = typindx; |
||
1138 | return_type = info->types.types[typindx].type; |
||
1139 | if (debug_get_type_kind (info->dhandle, return_type) |
||
1140 | == DEBUG_KIND_FUNCTION) |
||
1141 | return_type = debug_get_return_type (info->dhandle, |
||
1142 | return_type); |
||
1143 | } |
||
1144 | |||
1145 | namcopy = savestring (name, namlen); |
||
1146 | if (namcopy == NULL) |
||
1147 | return FALSE; |
||
1148 | if (! debug_record_function (info->dhandle, namcopy, |
||
1149 | return_type, FALSE, offset)) |
||
1150 | return FALSE; |
||
1151 | } |
||
1152 | } |
||
1153 | } |
||
1154 | break; |
||
1155 | |||
1156 | case 10: |
||
1157 | /* BB10: Assembler module scope. In the normal case, we |
||
1158 | completely ignore all this information. FIXME. */ |
||
1159 | { |
||
1160 | const char *inam, *vstr; |
||
1161 | unsigned long inamlen, vstrlen; |
||
1162 | bfd_vma tool_type; |
||
1163 | bfd_boolean present; |
||
1164 | unsigned int i; |
||
1165 | |||
1166 | if (! info->saw_filename) |
||
1167 | { |
||
1168 | namcopy = savestring (name, namlen); |
||
1169 | if (namcopy == NULL) |
||
1170 | return FALSE; |
||
1171 | if (! debug_set_filename (info->dhandle, namcopy)) |
||
1172 | return FALSE; |
||
1173 | info->saw_filename = TRUE; |
||
1174 | } |
||
1175 | |||
1176 | if (! ieee_read_id (info, pp, &inam, &inamlen) |
||
1177 | || ! ieee_read_number (info, pp, &tool_type) |
||
1178 | || ! ieee_read_optional_id (info, pp, &vstr, &vstrlen, &present)) |
||
1179 | return FALSE; |
||
1180 | for (i = 0; i < 6; i++) |
||
1181 | { |
||
1182 | bfd_vma ignore; |
||
1183 | |||
1184 | if (! ieee_read_optional_number (info, pp, &ignore, &present)) |
||
1185 | return FALSE; |
||
1186 | if (! present) |
||
1187 | break; |
||
1188 | } |
||
1189 | } |
||
1190 | break; |
||
1191 | |||
1192 | case 11: |
||
1193 | /* BB11: Module section. We completely ignore all this |
||
1194 | information. FIXME. */ |
||
1195 | { |
||
1196 | bfd_vma sectype, secindx, offset, map; |
||
1197 | bfd_boolean present; |
||
1198 | |||
1199 | if (! ieee_read_number (info, pp, §ype) |
||
1200 | || ! ieee_read_number (info, pp, &secindx) |
||
1201 | || ! ieee_read_expression (info, pp, &offset) |
||
1202 | || ! ieee_read_optional_number (info, pp, &map, &present)) |
||
1203 | return FALSE; |
||
1204 | } |
||
1205 | break; |
||
1206 | |||
1207 | default: |
||
1208 | ieee_error (info, block_start, _("unknown BB type")); |
||
1209 | return FALSE; |
||
1210 | } |
||
1211 | |||
1212 | |||
1213 | /* Push this block on the block stack. */ |
||
1214 | |||
1215 | if (info->blockstack.bsp >= info->blockstack.stack + BLOCKSTACK_SIZE) |
||
1216 | { |
||
1217 | ieee_error (info, (const bfd_byte *) NULL, _("stack overflow")); |
||
1218 | return FALSE; |
||
1219 | } |
||
1220 | |||
1221 | info->blockstack.bsp->kind = b; |
||
1222 | if (b == 5) |
||
1223 | info->blockstack.bsp->filename = namcopy; |
||
1224 | info->blockstack.bsp->fnindx = fnindx; |
||
1225 | info->blockstack.bsp->skip = skip; |
||
1226 | ++info->blockstack.bsp; |
||
1227 | |||
1228 | return TRUE; |
||
1229 | } |
||
1230 | |||
1231 | /* Handle an IEEE BE record. */ |
||
1232 | |||
1233 | static bfd_boolean |
||
1234 | parse_ieee_be (struct ieee_info *info, const bfd_byte **pp) |
||
1235 | { |
||
1236 | bfd_vma offset; |
||
1237 | |||
1238 | if (info->blockstack.bsp <= info->blockstack.stack) |
||
1239 | { |
||
1240 | ieee_error (info, *pp, _("stack underflow")); |
||
1241 | return FALSE; |
||
1242 | } |
||
1243 | --info->blockstack.bsp; |
||
1244 | |||
1245 | switch (info->blockstack.bsp->kind) |
||
1246 | { |
||
1247 | case 2: |
||
1248 | /* When we end the global typedefs block, we copy out the |
||
1249 | contents of info->vars. This is because the variable indices |
||
1250 | may be reused in the local blocks. However, we need to |
||
1251 | preserve them so that we can locate a function returning a |
||
1252 | reference variable whose type is named in the global typedef |
||
1253 | block. */ |
||
1254 | info->global_vars = ((struct ieee_vars *) |
||
1255 | xmalloc (sizeof *info->global_vars)); |
||
1256 | info->global_vars->alloc = info->vars.alloc; |
||
1257 | info->global_vars->vars = ((struct ieee_var *) |
||
1258 | xmalloc (info->vars.alloc |
||
1259 | * sizeof (*info->vars.vars))); |
||
1260 | memcpy (info->global_vars->vars, info->vars.vars, |
||
1261 | info->vars.alloc * sizeof (*info->vars.vars)); |
||
1262 | |||
1263 | /* We also copy out the non builtin parts of info->types, since |
||
1264 | the types are discarded when we start a new block. */ |
||
1265 | info->global_types = ((struct ieee_types *) |
||
1266 | xmalloc (sizeof *info->global_types)); |
||
1267 | info->global_types->alloc = info->types.alloc; |
||
1268 | info->global_types->types = ((struct ieee_type *) |
||
1269 | xmalloc (info->types.alloc |
||
1270 | * sizeof (*info->types.types))); |
||
1271 | memcpy (info->global_types->types, info->types.types, |
||
1272 | info->types.alloc * sizeof (*info->types.types)); |
||
1273 | memset (info->global_types->builtins, 0, |
||
1274 | sizeof (info->global_types->builtins)); |
||
1275 | |||
1276 | break; |
||
1277 | |||
1278 | case 4: |
||
1279 | case 6: |
||
1280 | if (! ieee_read_expression (info, pp, &offset)) |
||
1281 | return FALSE; |
||
1282 | if (! info->blockstack.bsp->skip) |
||
1283 | { |
||
1284 | if (! debug_end_function (info->dhandle, offset + 1)) |
||
1285 | return FALSE; |
||
1286 | } |
||
1287 | break; |
||
1288 | |||
1289 | case 0x86: |
||
1290 | /* This is BE6 when BB6 started a block rather than a local |
||
1291 | function. */ |
||
1292 | if (! ieee_read_expression (info, pp, &offset)) |
||
1293 | return FALSE; |
||
1294 | if (! debug_end_block (info->dhandle, offset + 1)) |
||
1295 | return FALSE; |
||
1296 | break; |
||
1297 | |||
1298 | case 5: |
||
1299 | /* When we end a BB5, we look up the stack for the last BB5, if |
||
1300 | there is one, so that we can call debug_start_source. */ |
||
1301 | if (info->blockstack.bsp > info->blockstack.stack) |
||
1302 | { |
||
1303 | struct ieee_block *bl; |
||
1304 | |||
1305 | bl = info->blockstack.bsp; |
||
1306 | do |
||
1307 | { |
||
1308 | --bl; |
||
1309 | if (bl->kind == 5) |
||
1310 | { |
||
1311 | if (! debug_start_source (info->dhandle, bl->filename)) |
||
1312 | return FALSE; |
||
1313 | break; |
||
1314 | } |
||
1315 | } |
||
1316 | while (bl != info->blockstack.stack); |
||
1317 | } |
||
1318 | break; |
||
1319 | |||
1320 | case 11: |
||
1321 | if (! ieee_read_expression (info, pp, &offset)) |
||
1322 | return FALSE; |
||
1323 | /* We just ignore the module size. FIXME. */ |
||
1324 | break; |
||
1325 | |||
1326 | default: |
||
1327 | /* Other block types do not have any trailing information. */ |
||
1328 | break; |
||
1329 | } |
||
1330 | |||
1331 | return TRUE; |
||
1332 | } |
||
1333 | |||
1334 | /* Parse an NN record. */ |
||
1335 | |||
1336 | static bfd_boolean |
||
1337 | parse_ieee_nn (struct ieee_info *info, const bfd_byte **pp) |
||
1338 | { |
||
1339 | const bfd_byte *nn_start; |
||
1340 | bfd_vma varindx; |
||
1341 | const char *name; |
||
1342 | unsigned long namlen; |
||
1343 | |||
1344 | nn_start = *pp; |
||
1345 | |||
1346 | if (! ieee_read_number (info, pp, &varindx) |
||
1347 | || ! ieee_read_id (info, pp, &name, &namlen)) |
||
1348 | return FALSE; |
||
1349 | |||
1350 | if (varindx < 32) |
||
1351 | { |
||
1352 | ieee_error (info, nn_start, _("illegal variable index")); |
||
1353 | return FALSE; |
||
1354 | } |
||
1355 | varindx -= 32; |
||
1356 | |||
1357 | if (varindx >= info->vars.alloc) |
||
1358 | { |
||
1359 | unsigned int alloc; |
||
1360 | |||
1361 | alloc = info->vars.alloc; |
||
1362 | if (alloc == 0) |
||
1363 | alloc = 4; |
||
1364 | while (varindx >= alloc) |
||
1365 | alloc *= 2; |
||
1366 | info->vars.vars = ((struct ieee_var *) |
||
1367 | xrealloc (info->vars.vars, |
||
1368 | alloc * sizeof *info->vars.vars)); |
||
1369 | memset (info->vars.vars + info->vars.alloc, 0, |
||
1370 | (alloc - info->vars.alloc) * sizeof *info->vars.vars); |
||
1371 | info->vars.alloc = alloc; |
||
1372 | } |
||
1373 | |||
1374 | info->vars.vars[varindx].name = name; |
||
1375 | info->vars.vars[varindx].namlen = namlen; |
||
1376 | |||
1377 | return TRUE; |
||
1378 | } |
||
1379 | |||
1380 | /* Parse a TY record. */ |
||
1381 | |||
1382 | static bfd_boolean |
||
1383 | parse_ieee_ty (struct ieee_info *info, const bfd_byte **pp) |
||
1384 | { |
||
1385 | const bfd_byte *ty_start, *ty_var_start, *ty_code_start; |
||
1386 | bfd_vma typeindx, varindx, tc; |
||
1387 | void *dhandle; |
||
1388 | bfd_boolean tag, typdef; |
||
1389 | debug_type *arg_slots; |
||
1390 | unsigned long type_bitsize; |
||
1391 | debug_type type; |
||
1392 | |||
1393 | ty_start = *pp; |
||
1394 | |||
1395 | if (! ieee_read_number (info, pp, &typeindx)) |
||
1396 | return FALSE; |
||
1397 | |||
1398 | if (typeindx < 256) |
||
1399 | { |
||
1400 | ieee_error (info, ty_start, _("illegal type index")); |
||
1401 | return FALSE; |
||
1402 | } |
||
1403 | |||
1404 | typeindx -= 256; |
||
1405 | if (! ieee_alloc_type (info, typeindx, FALSE)) |
||
1406 | return FALSE; |
||
1407 | |||
1408 | if (**pp != 0xce) |
||
1409 | { |
||
1410 | ieee_error (info, *pp, _("unknown TY code")); |
||
1411 | return FALSE; |
||
1412 | } |
||
1413 | ++*pp; |
||
1414 | |||
1415 | ty_var_start = *pp; |
||
1416 | |||
1417 | if (! ieee_read_number (info, pp, &varindx)) |
||
1418 | return FALSE; |
||
1419 | |||
1420 | if (varindx < 32) |
||
1421 | { |
||
1422 | ieee_error (info, ty_var_start, _("illegal variable index")); |
||
1423 | return FALSE; |
||
1424 | } |
||
1425 | varindx -= 32; |
||
1426 | |||
1427 | if (varindx >= info->vars.alloc || info->vars.vars[varindx].name == NULL) |
||
1428 | { |
||
1429 | ieee_error (info, ty_var_start, _("undefined variable in TY")); |
||
1430 | return FALSE; |
||
1431 | } |
||
1432 | |||
1433 | ty_code_start = *pp; |
||
1434 | |||
1435 | if (! ieee_read_number (info, pp, &tc)) |
||
1436 | return FALSE; |
||
1437 | |||
1438 | dhandle = info->dhandle; |
||
1439 | |||
1440 | tag = FALSE; |
||
1441 | typdef = FALSE; |
||
1442 | arg_slots = NULL; |
||
1443 | type_bitsize = 0; |
||
1444 | switch (tc) |
||
1445 | { |
||
1446 | default: |
||
1447 | ieee_error (info, ty_code_start, _("unknown TY code")); |
||
1448 | return FALSE; |
||
1449 | |||
1450 | case '!': |
||
1451 | /* Unknown type, with size. We treat it as int. FIXME. */ |
||
1452 | { |
||
1453 | bfd_vma size; |
||
1454 | |||
1455 | if (! ieee_read_number (info, pp, &size)) |
||
1456 | return FALSE; |
||
1457 | type = debug_make_int_type (dhandle, size, FALSE); |
||
1458 | } |
||
1459 | break; |
||
1460 | |||
1461 | case 'A': /* Array. */ |
||
1462 | case 'a': /* FORTRAN array in column/row order. FIXME: Not |
||
1463 | distinguished from normal array. */ |
||
1464 | { |
||
1465 | debug_type ele_type; |
||
1466 | bfd_vma lower, upper; |
||
1467 | |||
1468 | if (! ieee_read_type_index (info, pp, &ele_type) |
||
1469 | || ! ieee_read_number (info, pp, &lower) |
||
1470 | || ! ieee_read_number (info, pp, &upper)) |
||
1471 | return FALSE; |
||
1472 | type = debug_make_array_type (dhandle, ele_type, |
||
1473 | ieee_builtin_type (info, ty_code_start, |
||
1474 | ((unsigned int) |
||
1475 | builtin_int)), |
||
1476 | (bfd_signed_vma) lower, |
||
1477 | (bfd_signed_vma) upper, |
||
1478 | FALSE); |
||
1479 | } |
||
1480 | break; |
||
1481 | |||
1482 | case 'E': |
||
1483 | /* Simple enumeration. */ |
||
1484 | { |
||
1485 | bfd_vma size; |
||
1486 | unsigned int alloc; |
||
1487 | const char **names; |
||
1488 | unsigned int c; |
||
1489 | bfd_signed_vma *vals; |
||
1490 | unsigned int i; |
||
1491 | |||
1492 | if (! ieee_read_number (info, pp, &size)) |
||
1493 | return FALSE; |
||
1494 | /* FIXME: we ignore the enumeration size. */ |
||
1495 | |||
1496 | alloc = 10; |
||
1497 | names = (const char **) xmalloc (alloc * sizeof *names); |
||
1498 | memset (names, 0, alloc * sizeof *names); |
||
1499 | c = 0; |
||
1500 | while (1) |
||
1501 | { |
||
1502 | const char *name; |
||
1503 | unsigned long namlen; |
||
1504 | bfd_boolean present; |
||
1505 | |||
1506 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
||
1507 | return FALSE; |
||
1508 | if (! present) |
||
1509 | break; |
||
1510 | |||
1511 | if (c + 1 >= alloc) |
||
1512 | { |
||
1513 | alloc += 10; |
||
1514 | names = ((const char **) |
||
1515 | xrealloc (names, alloc * sizeof *names)); |
||
1516 | } |
||
1517 | |||
1518 | names[c] = savestring (name, namlen); |
||
1519 | if (names[c] == NULL) |
||
1520 | return FALSE; |
||
1521 | ++c; |
||
1522 | } |
||
1523 | |||
1524 | names[c] = NULL; |
||
1525 | |||
1526 | vals = (bfd_signed_vma *) xmalloc (c * sizeof *vals); |
||
1527 | for (i = 0; i < c; i++) |
||
1528 | vals[i] = i; |
||
1529 | |||
1530 | type = debug_make_enum_type (dhandle, names, vals); |
||
1531 | tag = TRUE; |
||
1532 | } |
||
1533 | break; |
||
1534 | |||
1535 | case 'G': |
||
1536 | /* Struct with bit fields. */ |
||
1537 | { |
||
1538 | bfd_vma size; |
||
1539 | unsigned int alloc; |
||
1540 | debug_field *fields; |
||
1541 | unsigned int c; |
||
1542 | |||
1543 | if (! ieee_read_number (info, pp, &size)) |
||
1544 | return FALSE; |
||
1545 | |||
1546 | alloc = 10; |
||
1547 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); |
||
1548 | c = 0; |
||
1549 | while (1) |
||
1550 | { |
||
1551 | const char *name; |
||
1552 | unsigned long namlen; |
||
1553 | bfd_boolean present; |
||
1554 | debug_type ftype; |
||
1555 | bfd_vma bitpos, bitsize; |
||
1556 | |||
1557 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
||
1558 | return FALSE; |
||
1559 | if (! present) |
||
1560 | break; |
||
1561 | if (! ieee_read_type_index (info, pp, &ftype) |
||
1562 | || ! ieee_read_number (info, pp, &bitpos) |
||
1563 | || ! ieee_read_number (info, pp, &bitsize)) |
||
1564 | return FALSE; |
||
1565 | |||
1566 | if (c + 1 >= alloc) |
||
1567 | { |
||
1568 | alloc += 10; |
||
1569 | fields = ((debug_field *) |
||
1570 | xrealloc (fields, alloc * sizeof *fields)); |
||
1571 | } |
||
1572 | |||
1573 | fields[c] = debug_make_field (dhandle, savestring (name, namlen), |
||
1574 | ftype, bitpos, bitsize, |
||
1575 | DEBUG_VISIBILITY_PUBLIC); |
||
1576 | if (fields[c] == NULL) |
||
1577 | return FALSE; |
||
1578 | ++c; |
||
1579 | } |
||
1580 | |||
1581 | fields[c] = NULL; |
||
1582 | |||
1583 | type = debug_make_struct_type (dhandle, TRUE, size, fields); |
||
1584 | tag = TRUE; |
||
1585 | } |
||
1586 | break; |
||
1587 | |||
1588 | case 'N': |
||
1589 | /* Enumeration. */ |
||
1590 | { |
||
1591 | unsigned int alloc; |
||
1592 | const char **names; |
||
1593 | bfd_signed_vma *vals; |
||
1594 | unsigned int c; |
||
1595 | |||
1596 | alloc = 10; |
||
1597 | names = (const char **) xmalloc (alloc * sizeof *names); |
||
1598 | vals = (bfd_signed_vma *) xmalloc (alloc * sizeof *names); |
||
1599 | c = 0; |
||
1600 | while (1) |
||
1601 | { |
||
1602 | const char *name; |
||
1603 | unsigned long namlen; |
||
1604 | bfd_boolean present; |
||
1605 | bfd_vma val; |
||
1606 | |||
1607 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
||
1608 | return FALSE; |
||
1609 | if (! present) |
||
1610 | break; |
||
1611 | if (! ieee_read_number (info, pp, &val)) |
||
1612 | return FALSE; |
||
1613 | |||
1614 | /* If the length of the name is zero, then the value is |
||
1615 | actually the size of the enum. We ignore this |
||
1616 | information. FIXME. */ |
||
1617 | if (namlen == 0) |
||
1618 | continue; |
||
1619 | |||
1620 | if (c + 1 >= alloc) |
||
1621 | { |
||
1622 | alloc += 10; |
||
1623 | names = ((const char **) |
||
1624 | xrealloc (names, alloc * sizeof *names)); |
||
1625 | vals = ((bfd_signed_vma *) |
||
1626 | xrealloc (vals, alloc * sizeof *vals)); |
||
1627 | } |
||
1628 | |||
1629 | names[c] = savestring (name, namlen); |
||
1630 | if (names[c] == NULL) |
||
1631 | return FALSE; |
||
1632 | vals[c] = (bfd_signed_vma) val; |
||
1633 | ++c; |
||
1634 | } |
||
1635 | |||
1636 | names[c] = NULL; |
||
1637 | |||
1638 | type = debug_make_enum_type (dhandle, names, vals); |
||
1639 | tag = TRUE; |
||
1640 | } |
||
1641 | break; |
||
1642 | |||
1643 | case 'O': /* Small pointer. We don't distinguish small and large |
||
1644 | pointers. FIXME. */ |
||
1645 | case 'P': /* Large pointer. */ |
||
1646 | { |
||
1647 | debug_type t; |
||
1648 | |||
1649 | if (! ieee_read_type_index (info, pp, &t)) |
||
1650 | return FALSE; |
||
1651 | type = debug_make_pointer_type (dhandle, t); |
||
1652 | } |
||
1653 | break; |
||
1654 | |||
1655 | case 'R': |
||
1656 | /* Range. */ |
||
1657 | { |
||
1658 | bfd_vma low, high, signedp, size; |
||
1659 | |||
1660 | if (! ieee_read_number (info, pp, &low) |
||
1661 | || ! ieee_read_number (info, pp, &high) |
||
1662 | || ! ieee_read_number (info, pp, &signedp) |
||
1663 | || ! ieee_read_number (info, pp, &size)) |
||
1664 | return FALSE; |
||
1665 | |||
1666 | type = debug_make_range_type (dhandle, |
||
1667 | debug_make_int_type (dhandle, size, |
||
1668 | ! signedp), |
||
1669 | (bfd_signed_vma) low, |
||
1670 | (bfd_signed_vma) high); |
||
1671 | } |
||
1672 | break; |
||
1673 | |||
1674 | case 'S': /* Struct. */ |
||
1675 | case 'U': /* Union. */ |
||
1676 | { |
||
1677 | bfd_vma size; |
||
1678 | unsigned int alloc; |
||
1679 | debug_field *fields; |
||
1680 | unsigned int c; |
||
1681 | |||
1682 | if (! ieee_read_number (info, pp, &size)) |
||
1683 | return FALSE; |
||
1684 | |||
1685 | alloc = 10; |
||
1686 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); |
||
1687 | c = 0; |
||
1688 | while (1) |
||
1689 | { |
||
1690 | const char *name; |
||
1691 | unsigned long namlen; |
||
1692 | bfd_boolean present; |
||
1693 | bfd_vma tindx; |
||
1694 | bfd_vma offset; |
||
1695 | debug_type ftype; |
||
1696 | bfd_vma bitsize; |
||
1697 | |||
1698 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
||
1699 | return FALSE; |
||
1700 | if (! present) |
||
1701 | break; |
||
1702 | if (! ieee_read_number (info, pp, &tindx) |
||
1703 | || ! ieee_read_number (info, pp, &offset)) |
||
1704 | return FALSE; |
||
1705 | |||
1706 | if (tindx < 256) |
||
1707 | { |
||
1708 | ftype = ieee_builtin_type (info, ty_code_start, tindx); |
||
1709 | bitsize = 0; |
||
1710 | offset *= 8; |
||
1711 | } |
||
1712 | else |
||
1713 | { |
||
1714 | struct ieee_type *t; |
||
1715 | |||
1716 | tindx -= 256; |
||
1717 | if (! ieee_alloc_type (info, tindx, TRUE)) |
||
1718 | return FALSE; |
||
1719 | t = info->types.types + tindx; |
||
1720 | ftype = t->type; |
||
1721 | bitsize = t->bitsize; |
||
1722 | if (bitsize == 0) |
||
1723 | offset *= 8; |
||
1724 | } |
||
1725 | |||
1726 | if (c + 1 >= alloc) |
||
1727 | { |
||
1728 | alloc += 10; |
||
1729 | fields = ((debug_field *) |
||
1730 | xrealloc (fields, alloc * sizeof *fields)); |
||
1731 | } |
||
1732 | |||
1733 | fields[c] = debug_make_field (dhandle, savestring (name, namlen), |
||
1734 | ftype, offset, bitsize, |
||
1735 | DEBUG_VISIBILITY_PUBLIC); |
||
1736 | if (fields[c] == NULL) |
||
1737 | return FALSE; |
||
1738 | ++c; |
||
1739 | } |
||
1740 | |||
1741 | fields[c] = NULL; |
||
1742 | |||
1743 | type = debug_make_struct_type (dhandle, tc == 'S', size, fields); |
||
1744 | tag = TRUE; |
||
1745 | } |
||
1746 | break; |
||
1747 | |||
1748 | case 'T': |
||
1749 | /* Typedef. */ |
||
1750 | if (! ieee_read_type_index (info, pp, &type)) |
||
1751 | return FALSE; |
||
1752 | typdef = TRUE; |
||
1753 | break; |
||
1754 | |||
1755 | case 'X': |
||
1756 | /* Procedure. FIXME: This is an extern declaration, which we |
||
1757 | have no way of representing. */ |
||
1758 | { |
||
1759 | bfd_vma attr; |
||
1760 | debug_type rtype; |
||
1761 | bfd_vma nargs; |
||
1762 | bfd_boolean present; |
||
1763 | struct ieee_var *pv; |
||
1764 | |||
1765 | /* FIXME: We ignore the attribute and the argument names. */ |
||
1766 | |||
1767 | if (! ieee_read_number (info, pp, &attr) |
||
1768 | || ! ieee_read_type_index (info, pp, &rtype) |
||
1769 | || ! ieee_read_number (info, pp, &nargs)) |
||
1770 | return FALSE; |
||
1771 | do |
||
1772 | { |
||
1773 | const char *name; |
||
1774 | unsigned long namlen; |
||
1775 | |||
1776 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
||
1777 | return FALSE; |
||
1778 | } |
||
1779 | while (present); |
||
1780 | |||
1781 | pv = info->vars.vars + varindx; |
||
1782 | pv->kind = IEEE_EXTERNAL; |
||
1783 | if (pv->namlen > 0 |
||
1784 | && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) |
||
1785 | { |
||
1786 | /* Set up the return type as an indirect type pointing to |
||
1787 | the variable slot, so that we can change it to a |
||
1788 | reference later if appropriate. */ |
||
1789 | pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); |
||
1790 | *pv->pslot = rtype; |
||
1791 | rtype = debug_make_indirect_type (dhandle, pv->pslot, |
||
1792 | (const char *) NULL); |
||
1793 | } |
||
1794 | |||
1795 | type = debug_make_function_type (dhandle, rtype, (debug_type *) NULL, |
||
1796 | FALSE); |
||
1797 | } |
||
1798 | break; |
||
1799 | |||
1800 | case 'V': |
||
1801 | case 'v': |
||
1802 | /* Void. This is not documented, but the MRI compiler emits it. */ |
||
1803 | type = debug_make_void_type (dhandle); |
||
1804 | break; |
||
1805 | |||
1806 | case 'Z': |
||
1807 | /* Array with 0 lower bound. */ |
||
1808 | { |
||
1809 | debug_type etype; |
||
1810 | bfd_vma high; |
||
1811 | |||
1812 | if (! ieee_read_type_index (info, pp, &etype) |
||
1813 | || ! ieee_read_number (info, pp, &high)) |
||
1814 | return FALSE; |
||
1815 | |||
1816 | type = debug_make_array_type (dhandle, etype, |
||
1817 | ieee_builtin_type (info, ty_code_start, |
||
1818 | ((unsigned int) |
||
1819 | builtin_int)), |
||
1820 | 0, (bfd_signed_vma) high, FALSE); |
||
1821 | } |
||
1822 | break; |
||
1823 | |||
1824 | case 'c': /* Complex. */ |
||
1825 | case 'd': /* Double complex. */ |
||
1826 | { |
||
1827 | const char *name; |
||
1828 | unsigned long namlen; |
||
1829 | |||
1830 | /* FIXME: I don't know what the name means. */ |
||
1831 | |||
1832 | if (! ieee_read_id (info, pp, &name, &namlen)) |
||
1833 | return FALSE; |
||
1834 | |||
1835 | type = debug_make_complex_type (dhandle, tc == 'c' ? 4 : 8); |
||
1836 | } |
||
1837 | break; |
||
1838 | |||
1839 | case 'f': |
||
1840 | /* Pascal file name. FIXME. */ |
||
1841 | ieee_error (info, ty_code_start, _("Pascal file name not supported")); |
||
1842 | return FALSE; |
||
1843 | |||
1844 | case 'g': |
||
1845 | /* Bitfield type. */ |
||
1846 | { |
||
1847 | bfd_vma signedp, bitsize, dummy; |
||
1848 | const bfd_byte *hold; |
||
1849 | bfd_boolean present; |
||
1850 | |||
1851 | if (! ieee_read_number (info, pp, &signedp) |
||
1852 | || ! ieee_read_number (info, pp, &bitsize)) |
||
1853 | return FALSE; |
||
1854 | |||
1855 | /* I think the documentation says that there is a type index, |
||
1856 | but some actual files do not have one. */ |
||
1857 | hold = *pp; |
||
1858 | if (! ieee_read_optional_number (info, pp, &dummy, &present)) |
||
1859 | return FALSE; |
||
1860 | if (! present) |
||
1861 | { |
||
1862 | /* FIXME: This is just a guess. */ |
||
1863 | type = debug_make_int_type (dhandle, 4, |
||
1864 | signedp ? FALSE : TRUE); |
||
1865 | } |
||
1866 | else |
||
1867 | { |
||
1868 | *pp = hold; |
||
1869 | if (! ieee_read_type_index (info, pp, &type)) |
||
1870 | return FALSE; |
||
1871 | } |
||
1872 | type_bitsize = bitsize; |
||
1873 | } |
||
1874 | break; |
||
1875 | |||
1876 | case 'n': |
||
1877 | /* Qualifier. */ |
||
1878 | { |
||
1879 | bfd_vma kind; |
||
1880 | debug_type t; |
||
1881 | |||
1882 | if (! ieee_read_number (info, pp, &kind) |
||
1883 | || ! ieee_read_type_index (info, pp, &t)) |
||
1884 | return FALSE; |
||
1885 | |||
1886 | switch (kind) |
||
1887 | { |
||
1888 | default: |
||
1889 | ieee_error (info, ty_start, _("unsupported qualifier")); |
||
1890 | return FALSE; |
||
1891 | |||
1892 | case 1: |
||
1893 | type = debug_make_const_type (dhandle, t); |
||
1894 | break; |
||
1895 | |||
1896 | case 2: |
||
1897 | type = debug_make_volatile_type (dhandle, t); |
||
1898 | break; |
||
1899 | } |
||
1900 | } |
||
1901 | break; |
||
1902 | |||
1903 | case 's': |
||
1904 | /* Set. */ |
||
1905 | { |
||
1906 | bfd_vma size; |
||
1907 | debug_type etype; |
||
1908 | |||
1909 | if (! ieee_read_number (info, pp, &size) |
||
1910 | || ! ieee_read_type_index (info, pp, &etype)) |
||
1911 | return FALSE; |
||
1912 | |||
1913 | /* FIXME: We ignore the size. */ |
||
1914 | |||
1915 | type = debug_make_set_type (dhandle, etype, FALSE); |
||
1916 | } |
||
1917 | break; |
||
1918 | |||
1919 | case 'x': |
||
1920 | /* Procedure with compiler dependencies. */ |
||
1921 | { |
||
1922 | struct ieee_var *pv; |
||
1923 | bfd_vma attr, frame_type, push_mask, nargs, level, father; |
||
1924 | debug_type rtype; |
||
1925 | debug_type *arg_types; |
||
1926 | bfd_boolean varargs; |
||
1927 | bfd_boolean present; |
||
1928 | |||
1929 | /* FIXME: We ignore some of this information. */ |
||
1930 | |||
1931 | pv = info->vars.vars + varindx; |
||
1932 | |||
1933 | if (! ieee_read_number (info, pp, &attr) |
||
1934 | || ! ieee_read_number (info, pp, &frame_type) |
||
1935 | || ! ieee_read_number (info, pp, &push_mask) |
||
1936 | || ! ieee_read_type_index (info, pp, &rtype) |
||
1937 | || ! ieee_read_number (info, pp, &nargs)) |
||
1938 | return FALSE; |
||
1939 | if (nargs == (bfd_vma) -1) |
||
1940 | { |
||
1941 | arg_types = NULL; |
||
1942 | varargs = FALSE; |
||
1943 | } |
||
1944 | else |
||
1945 | { |
||
1946 | unsigned int i; |
||
1947 | |||
1948 | arg_types = ((debug_type *) |
||
1949 | xmalloc ((nargs + 1) * sizeof *arg_types)); |
||
1950 | for (i = 0; i < nargs; i++) |
||
1951 | if (! ieee_read_type_index (info, pp, arg_types + i)) |
||
1952 | return FALSE; |
||
1953 | |||
1954 | /* If the last type is pointer to void, this is really a |
||
1955 | varargs function. */ |
||
1956 | varargs = FALSE; |
||
1957 | if (nargs > 0) |
||
1958 | { |
||
1959 | debug_type last; |
||
1960 | |||
1961 | last = arg_types[nargs - 1]; |
||
1962 | if (debug_get_type_kind (dhandle, last) == DEBUG_KIND_POINTER |
||
1963 | && (debug_get_type_kind (dhandle, |
||
1964 | debug_get_target_type (dhandle, |
||
1965 | last)) |
||
1966 | == DEBUG_KIND_VOID)) |
||
1967 | { |
||
1968 | --nargs; |
||
1969 | varargs = TRUE; |
||
1970 | } |
||
1971 | } |
||
1972 | |||
1973 | /* If there are any pointer arguments, turn them into |
||
1974 | indirect types in case we later need to convert them to |
||
1975 | reference types. */ |
||
1976 | for (i = 0; i < nargs; i++) |
||
1977 | { |
||
1978 | if (debug_get_type_kind (dhandle, arg_types[i]) |
||
1979 | == DEBUG_KIND_POINTER) |
||
1980 | { |
||
1981 | if (arg_slots == NULL) |
||
1982 | { |
||
1983 | arg_slots = ((debug_type *) |
||
1984 | xmalloc (nargs * sizeof *arg_slots)); |
||
1985 | memset (arg_slots, 0, nargs * sizeof *arg_slots); |
||
1986 | } |
||
1987 | arg_slots[i] = arg_types[i]; |
||
1988 | arg_types[i] = |
||
1989 | debug_make_indirect_type (dhandle, |
||
1990 | arg_slots + i, |
||
1991 | (const char *) NULL); |
||
1992 | } |
||
1993 | } |
||
1994 | |||
1995 | arg_types[nargs] = DEBUG_TYPE_NULL; |
||
1996 | } |
||
1997 | if (! ieee_read_number (info, pp, &level) |
||
1998 | || ! ieee_read_optional_number (info, pp, &father, &present)) |
||
1999 | return FALSE; |
||
2000 | |||
2001 | /* We can't distinguish between a global function and a static |
||
2002 | function. */ |
||
2003 | pv->kind = IEEE_FUNCTION; |
||
2004 | |||
2005 | if (pv->namlen > 0 |
||
2006 | && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) |
||
2007 | { |
||
2008 | /* Set up the return type as an indirect type pointing to |
||
2009 | the variable slot, so that we can change it to a |
||
2010 | reference later if appropriate. */ |
||
2011 | pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); |
||
2012 | *pv->pslot = rtype; |
||
2013 | rtype = debug_make_indirect_type (dhandle, pv->pslot, |
||
2014 | (const char *) NULL); |
||
2015 | } |
||
2016 | |||
2017 | type = debug_make_function_type (dhandle, rtype, arg_types, varargs); |
||
2018 | } |
||
2019 | break; |
||
2020 | } |
||
2021 | |||
2022 | /* Record the type in the table. */ |
||
2023 | |||
2024 | if (type == DEBUG_TYPE_NULL) |
||
2025 | return FALSE; |
||
2026 | |||
2027 | info->vars.vars[varindx].type = type; |
||
2028 | |||
2029 | if ((tag || typdef) |
||
2030 | && info->vars.vars[varindx].namlen > 0) |
||
2031 | { |
||
2032 | const char *name; |
||
2033 | |||
2034 | name = savestring (info->vars.vars[varindx].name, |
||
2035 | info->vars.vars[varindx].namlen); |
||
2036 | if (typdef) |
||
2037 | type = debug_name_type (dhandle, name, type); |
||
2038 | else if (tc == 'E' || tc == 'N') |
||
2039 | type = debug_tag_type (dhandle, name, type); |
||
2040 | else |
||
2041 | { |
||
2042 | struct ieee_tag *it; |
||
2043 | |||
2044 | /* We must allocate all struct tags as indirect types, so |
||
2045 | that if we later see a definition of the tag as a C++ |
||
2046 | record we can update the indirect slot and automatically |
||
2047 | change all the existing references. */ |
||
2048 | it = (struct ieee_tag *) xmalloc (sizeof *it); |
||
2049 | memset (it, 0, sizeof *it); |
||
2050 | it->next = info->tags; |
||
2051 | info->tags = it; |
||
2052 | it->name = name; |
||
2053 | it->slot = type; |
||
2054 | |||
2055 | type = debug_make_indirect_type (dhandle, &it->slot, name); |
||
2056 | type = debug_tag_type (dhandle, name, type); |
||
2057 | |||
2058 | it->type = type; |
||
2059 | } |
||
2060 | if (type == NULL) |
||
2061 | return FALSE; |
||
2062 | } |
||
2063 | |||
2064 | info->types.types[typeindx].type = type; |
||
2065 | info->types.types[typeindx].arg_slots = arg_slots; |
||
2066 | info->types.types[typeindx].bitsize = type_bitsize; |
||
2067 | |||
2068 | /* We may have already allocated type as an indirect type pointing |
||
2069 | to slot. It does no harm to replace the indirect type with the |
||
2070 | real type. Filling in slot as well handles the indirect types |
||
2071 | which are already hanging around. */ |
||
2072 | if (info->types.types[typeindx].pslot != NULL) |
||
2073 | *info->types.types[typeindx].pslot = type; |
||
2074 | |||
2075 | return TRUE; |
||
2076 | } |
||
2077 | |||
2078 | /* Parse an ATN record. */ |
||
2079 | |||
2080 | static bfd_boolean |
||
2081 | parse_ieee_atn (struct ieee_info *info, const bfd_byte **pp) |
||
2082 | { |
||
2083 | const bfd_byte *atn_start, *atn_code_start; |
||
2084 | bfd_vma varindx; |
||
2085 | struct ieee_var *pvar; |
||
2086 | debug_type type; |
||
2087 | bfd_vma atn_code; |
||
2088 | void *dhandle; |
||
2089 | bfd_vma v, v2, v3, v4, v5; |
||
2090 | const char *name; |
||
2091 | unsigned long namlen; |
||
2092 | char *namcopy; |
||
2093 | bfd_boolean present; |
||
2094 | int blocktype; |
||
2095 | |||
2096 | atn_start = *pp; |
||
2097 | |||
2098 | if (! ieee_read_number (info, pp, &varindx) |
||
2099 | || ! ieee_read_type_index (info, pp, &type)) |
||
2100 | return FALSE; |
||
2101 | |||
2102 | atn_code_start = *pp; |
||
2103 | |||
2104 | if (! ieee_read_number (info, pp, &atn_code)) |
||
2105 | return FALSE; |
||
2106 | |||
2107 | if (varindx == 0) |
||
2108 | { |
||
2109 | pvar = NULL; |
||
2110 | name = ""; |
||
2111 | namlen = 0; |
||
2112 | } |
||
2113 | else if (varindx < 32) |
||
2114 | { |
||
2115 | /* The MRI compiler reportedly sometimes emits variable lifetime |
||
2116 | information for a register. We just ignore it. */ |
||
2117 | if (atn_code == 9) |
||
2118 | return ieee_read_number (info, pp, &v); |
||
2119 | |||
2120 | ieee_error (info, atn_start, _("illegal variable index")); |
||
2121 | return FALSE; |
||
2122 | } |
||
2123 | else |
||
2124 | { |
||
2125 | varindx -= 32; |
||
2126 | if (varindx >= info->vars.alloc |
||
2127 | || info->vars.vars[varindx].name == NULL) |
||
2128 | { |
||
2129 | /* The MRI compiler or linker sometimes omits the NN record |
||
2130 | for a pmisc record. */ |
||
2131 | if (atn_code == 62) |
||
2132 | { |
||
2133 | if (varindx >= info->vars.alloc) |
||
2134 | { |
||
2135 | unsigned int alloc; |
||
2136 | |||
2137 | alloc = info->vars.alloc; |
||
2138 | if (alloc == 0) |
||
2139 | alloc = 4; |
||
2140 | while (varindx >= alloc) |
||
2141 | alloc *= 2; |
||
2142 | info->vars.vars = ((struct ieee_var *) |
||
2143 | xrealloc (info->vars.vars, |
||
2144 | (alloc |
||
2145 | * sizeof *info->vars.vars))); |
||
2146 | memset (info->vars.vars + info->vars.alloc, 0, |
||
2147 | ((alloc - info->vars.alloc) |
||
2148 | * sizeof *info->vars.vars)); |
||
2149 | info->vars.alloc = alloc; |
||
2150 | } |
||
2151 | |||
2152 | pvar = info->vars.vars + varindx; |
||
2153 | pvar->name = ""; |
||
2154 | pvar->namlen = 0; |
||
2155 | } |
||
2156 | else |
||
2157 | { |
||
2158 | ieee_error (info, atn_start, _("undefined variable in ATN")); |
||
2159 | return FALSE; |
||
2160 | } |
||
2161 | } |
||
2162 | |||
2163 | pvar = info->vars.vars + varindx; |
||
2164 | |||
2165 | pvar->type = type; |
||
2166 | |||
2167 | name = pvar->name; |
||
2168 | namlen = pvar->namlen; |
||
2169 | } |
||
2170 | |||
2171 | dhandle = info->dhandle; |
||
2172 | |||
2173 | /* If we are going to call debug_record_variable with a pointer |
||
2174 | type, change the type to an indirect type so that we can later |
||
2175 | change it to a reference type if we encounter a C++ pmisc 'R' |
||
2176 | record. */ |
||
2177 | if (pvar != NULL |
||
2178 | && type != DEBUG_TYPE_NULL |
||
2179 | && debug_get_type_kind (dhandle, type) == DEBUG_KIND_POINTER) |
||
2180 | { |
||
2181 | switch (atn_code) |
||
2182 | { |
||
2183 | case 1: |
||
2184 | case 2: |
||
2185 | case 3: |
||
2186 | case 5: |
||
2187 | case 8: |
||
2188 | case 10: |
||
2189 | pvar->pslot = (debug_type *) xmalloc (sizeof *pvar->pslot); |
||
2190 | *pvar->pslot = type; |
||
2191 | type = debug_make_indirect_type (dhandle, pvar->pslot, |
||
2192 | (const char *) NULL); |
||
2193 | pvar->type = type; |
||
2194 | break; |
||
2195 | } |
||
2196 | } |
||
2197 | |||
2198 | switch (atn_code) |
||
2199 | { |
||
2200 | default: |
||
2201 | ieee_error (info, atn_code_start, _("unknown ATN type")); |
||
2202 | return FALSE; |
||
2203 | |||
2204 | case 1: |
||
2205 | /* Automatic variable. */ |
||
2206 | if (! ieee_read_number (info, pp, &v)) |
||
2207 | return FALSE; |
||
2208 | namcopy = savestring (name, namlen); |
||
2209 | if (type == NULL) |
||
2210 | type = debug_make_void_type (dhandle); |
||
2211 | if (pvar != NULL) |
||
2212 | pvar->kind = IEEE_LOCAL; |
||
2213 | return debug_record_variable (dhandle, namcopy, type, DEBUG_LOCAL, v); |
||
2214 | |||
2215 | case 2: |
||
2216 | /* Register variable. */ |
||
2217 | if (! ieee_read_number (info, pp, &v)) |
||
2218 | return FALSE; |
||
2219 | namcopy = savestring (name, namlen); |
||
2220 | if (type == NULL) |
||
2221 | type = debug_make_void_type (dhandle); |
||
2222 | if (pvar != NULL) |
||
2223 | pvar->kind = IEEE_LOCAL; |
||
2224 | return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, |
||
2225 | ieee_regno_to_genreg (info->abfd, v)); |
||
2226 | |||
2227 | case 3: |
||
2228 | /* Static variable. */ |
||
2229 | if (! ieee_require_asn (info, pp, &v)) |
||
2230 | return FALSE; |
||
2231 | namcopy = savestring (name, namlen); |
||
2232 | if (type == NULL) |
||
2233 | type = debug_make_void_type (dhandle); |
||
2234 | if (info->blockstack.bsp <= info->blockstack.stack) |
||
2235 | blocktype = 0; |
||
2236 | else |
||
2237 | blocktype = info->blockstack.bsp[-1].kind; |
||
2238 | if (pvar != NULL) |
||
2239 | { |
||
2240 | if (blocktype == 4 || blocktype == 6) |
||
2241 | pvar->kind = IEEE_LOCAL; |
||
2242 | else |
||
2243 | pvar->kind = IEEE_STATIC; |
||
2244 | } |
||
2245 | return debug_record_variable (dhandle, namcopy, type, |
||
2246 | (blocktype == 4 || blocktype == 6 |
||
2247 | ? DEBUG_LOCAL_STATIC |
||
2248 | : DEBUG_STATIC), |
||
2249 | v); |
||
2250 | |||
2251 | case 4: |
||
2252 | /* External function. We don't currently record these. FIXME. */ |
||
2253 | if (pvar != NULL) |
||
2254 | pvar->kind = IEEE_EXTERNAL; |
||
2255 | return TRUE; |
||
2256 | |||
2257 | case 5: |
||
2258 | /* External variable. We don't currently record these. FIXME. */ |
||
2259 | if (pvar != NULL) |
||
2260 | pvar->kind = IEEE_EXTERNAL; |
||
2261 | return TRUE; |
||
2262 | |||
2263 | case 7: |
||
2264 | if (! ieee_read_number (info, pp, &v) |
||
2265 | || ! ieee_read_number (info, pp, &v2) |
||
2266 | || ! ieee_read_optional_number (info, pp, &v3, &present)) |
||
2267 | return FALSE; |
||
2268 | if (present) |
||
2269 | { |
||
2270 | if (! ieee_read_optional_number (info, pp, &v4, &present)) |
||
2271 | return FALSE; |
||
2272 | } |
||
2273 | |||
2274 | /* We just ignore the two optional fields in v3 and v4, since |
||
2275 | they are not defined. */ |
||
2276 | |||
2277 | if (! ieee_require_asn (info, pp, &v3)) |
||
2278 | return FALSE; |
||
2279 | |||
2280 | /* We have no way to record the column number. FIXME. */ |
||
2281 | |||
2282 | return debug_record_line (dhandle, v, v3); |
||
2283 | |||
2284 | case 8: |
||
2285 | /* Global variable. */ |
||
2286 | if (! ieee_require_asn (info, pp, &v)) |
||
2287 | return FALSE; |
||
2288 | namcopy = savestring (name, namlen); |
||
2289 | if (type == NULL) |
||
2290 | type = debug_make_void_type (dhandle); |
||
2291 | if (pvar != NULL) |
||
2292 | pvar->kind = IEEE_GLOBAL; |
||
2293 | return debug_record_variable (dhandle, namcopy, type, DEBUG_GLOBAL, v); |
||
2294 | |||
2295 | case 9: |
||
2296 | /* Variable lifetime information. */ |
||
2297 | if (! ieee_read_number (info, pp, &v)) |
||
2298 | return FALSE; |
||
2299 | |||
2300 | /* We have no way to record this information. FIXME. */ |
||
2301 | return TRUE; |
||
2302 | |||
2303 | case 10: |
||
2304 | /* Locked register. The spec says that there are two required |
||
2305 | fields, but at least on occasion the MRI compiler only emits |
||
2306 | one. */ |
||
2307 | if (! ieee_read_number (info, pp, &v) |
||
2308 | || ! ieee_read_optional_number (info, pp, &v2, &present)) |
||
2309 | return FALSE; |
||
2310 | |||
2311 | /* I think this means a variable that is both in a register and |
||
2312 | a frame slot. We ignore the frame slot. FIXME. */ |
||
2313 | |||
2314 | namcopy = savestring (name, namlen); |
||
2315 | if (type == NULL) |
||
2316 | type = debug_make_void_type (dhandle); |
||
2317 | if (pvar != NULL) |
||
2318 | pvar->kind = IEEE_LOCAL; |
||
2319 | return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, v); |
||
2320 | |||
2321 | case 11: |
||
2322 | /* Reserved for FORTRAN common. */ |
||
2323 | ieee_error (info, atn_code_start, _("unsupported ATN11")); |
||
2324 | |||
2325 | /* Return TRUE to keep going. */ |
||
2326 | return TRUE; |
||
2327 | |||
2328 | case 12: |
||
2329 | /* Based variable. */ |
||
2330 | v3 = 0; |
||
2331 | v4 = 0x80; |
||
2332 | v5 = 0; |
||
2333 | if (! ieee_read_number (info, pp, &v) |
||
2334 | || ! ieee_read_number (info, pp, &v2) |
||
2335 | || ! ieee_read_optional_number (info, pp, &v3, &present)) |
||
2336 | return FALSE; |
||
2337 | if (present) |
||
2338 | { |
||
2339 | if (! ieee_read_optional_number (info, pp, &v4, &present)) |
||
2340 | return FALSE; |
||
2341 | if (present) |
||
2342 | { |
||
2343 | if (! ieee_read_optional_number (info, pp, &v5, &present)) |
||
2344 | return FALSE; |
||
2345 | } |
||
2346 | } |
||
2347 | |||
2348 | /* We have no way to record this information. FIXME. */ |
||
2349 | |||
2350 | ieee_error (info, atn_code_start, _("unsupported ATN12")); |
||
2351 | |||
2352 | /* Return TRUE to keep going. */ |
||
2353 | return TRUE; |
||
2354 | |||
2355 | case 16: |
||
2356 | /* Constant. The description of this that I have is ambiguous, |
||
2357 | so I'm not going to try to implement it. */ |
||
2358 | if (! ieee_read_number (info, pp, &v) |
||
2359 | || ! ieee_read_optional_number (info, pp, &v2, &present)) |
||
2360 | return FALSE; |
||
2361 | if (present) |
||
2362 | { |
||
2363 | if (! ieee_read_optional_number (info, pp, &v2, &present)) |
||
2364 | return FALSE; |
||
2365 | if (present) |
||
2366 | { |
||
2367 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
||
2368 | return FALSE; |
||
2369 | } |
||
2370 | } |
||
2371 | |||
2372 | if ((ieee_record_enum_type) **pp == ieee_e2_first_byte_enum) |
||
2373 | { |
||
2374 | if (! ieee_require_asn (info, pp, &v3)) |
||
2375 | return FALSE; |
||
2376 | } |
||
2377 | |||
2378 | return TRUE; |
||
2379 | |||
2380 | case 19: |
||
2381 | /* Static variable from assembler. */ |
||
2382 | v2 = 0; |
||
2383 | if (! ieee_read_number (info, pp, &v) |
||
2384 | || ! ieee_read_optional_number (info, pp, &v2, &present) |
||
2385 | || ! ieee_require_asn (info, pp, &v3)) |
||
2386 | return FALSE; |
||
2387 | namcopy = savestring (name, namlen); |
||
2388 | /* We don't really handle this correctly. FIXME. */ |
||
2389 | return debug_record_variable (dhandle, namcopy, |
||
2390 | debug_make_void_type (dhandle), |
||
2391 | v2 != 0 ? DEBUG_GLOBAL : DEBUG_STATIC, |
||
2392 | v3); |
||
2393 | |||
2394 | case 62: |
||
2395 | /* Procedure miscellaneous information. */ |
||
2396 | case 63: |
||
2397 | /* Variable miscellaneous information. */ |
||
2398 | case 64: |
||
2399 | /* Module miscellaneous information. */ |
||
2400 | if (! ieee_read_number (info, pp, &v) |
||
2401 | || ! ieee_read_number (info, pp, &v2) |
||
2402 | || ! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
||
2403 | return FALSE; |
||
2404 | |||
2405 | if (atn_code == 62 && v == 80) |
||
2406 | { |
||
2407 | if (present) |
||
2408 | { |
||
2409 | ieee_error (info, atn_code_start, |
||
2410 | _("unexpected string in C++ misc")); |
||
2411 | return FALSE; |
||
2412 | } |
||
2413 | return ieee_read_cxx_misc (info, pp, v2); |
||
2414 | } |
||
2415 | |||
2416 | /* We just ignore all of this stuff. FIXME. */ |
||
2417 | |||
2418 | for (; v2 > 0; --v2) |
||
2419 | { |
||
2420 | switch ((ieee_record_enum_type) **pp) |
||
2421 | { |
||
2422 | default: |
||
2423 | ieee_error (info, *pp, _("bad misc record")); |
||
2424 | return FALSE; |
||
2425 | |||
2426 | case ieee_at_record_enum: |
||
2427 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
||
2428 | return FALSE; |
||
2429 | break; |
||
2430 | |||
2431 | case ieee_e2_first_byte_enum: |
||
2432 | if (! ieee_require_asn (info, pp, &v3)) |
||
2433 | return FALSE; |
||
2434 | break; |
||
2435 | } |
||
2436 | } |
||
2437 | |||
2438 | return TRUE; |
||
2439 | } |
||
2440 | |||
2441 | /*NOTREACHED*/ |
||
2442 | } |
||
2443 | |||
2444 | /* Handle C++ debugging miscellaneous records. This is called for |
||
2445 | procedure miscellaneous records of type 80. */ |
||
2446 | |||
2447 | static bfd_boolean |
||
2448 | ieee_read_cxx_misc (struct ieee_info *info, const bfd_byte **pp, |
||
2449 | unsigned long count) |
||
2450 | { |
||
2451 | const bfd_byte *start; |
||
2452 | bfd_vma category; |
||
2453 | |||
2454 | start = *pp; |
||
2455 | |||
2456 | /* Get the category of C++ misc record. */ |
||
2457 | if (! ieee_require_asn (info, pp, &category)) |
||
2458 | return FALSE; |
||
2459 | --count; |
||
2460 | |||
2461 | switch (category) |
||
2462 | { |
||
2463 | default: |
||
2464 | ieee_error (info, start, _("unrecognized C++ misc record")); |
||
2465 | return FALSE; |
||
2466 | |||
2467 | case 'T': |
||
2468 | if (! ieee_read_cxx_class (info, pp, count)) |
||
2469 | return FALSE; |
||
2470 | break; |
||
2471 | |||
2472 | case 'M': |
||
2473 | { |
||
2474 | bfd_vma flags; |
||
2475 | const char *name; |
||
2476 | unsigned long namlen; |
||
2477 | |||
2478 | /* The IEEE spec indicates that the 'M' record only has a |
||
2479 | flags field. The MRI compiler also emits the name of the |
||
2480 | function. */ |
||
2481 | |||
2482 | if (! ieee_require_asn (info, pp, &flags)) |
||
2483 | return FALSE; |
||
2484 | if (*pp < info->pend |
||
2485 | && (ieee_record_enum_type) **pp == ieee_at_record_enum) |
||
2486 | { |
||
2487 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
||
2488 | return FALSE; |
||
2489 | } |
||
2490 | |||
2491 | /* This is emitted for method functions, but I don't think we |
||
2492 | care very much. It might help if it told us useful |
||
2493 | information like the class with which this function is |
||
2494 | associated, but it doesn't, so it isn't helpful. */ |
||
2495 | } |
||
2496 | break; |
||
2497 | |||
2498 | case 'B': |
||
2499 | if (! ieee_read_cxx_defaults (info, pp, count)) |
||
2500 | return FALSE; |
||
2501 | break; |
||
2502 | |||
2503 | case 'z': |
||
2504 | { |
||
2505 | const char *name, *mangled, *cxx_class; |
||
2506 | unsigned long namlen, mangledlen, classlen; |
||
2507 | bfd_vma control; |
||
2508 | |||
2509 | /* Pointer to member. */ |
||
2510 | |||
2511 | if (! ieee_require_atn65 (info, pp, &name, &namlen) |
||
2512 | || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen) |
||
2513 | || ! ieee_require_atn65 (info, pp, &cxx_class, &classlen) |
||
2514 | || ! ieee_require_asn (info, pp, &control)) |
||
2515 | return FALSE; |
||
2516 | |||
2517 | /* FIXME: We should now track down name and change its type. */ |
||
2518 | } |
||
2519 | break; |
||
2520 | |||
2521 | case 'R': |
||
2522 | if (! ieee_read_reference (info, pp)) |
||
2523 | return FALSE; |
||
2524 | break; |
||
2525 | } |
||
2526 | |||
2527 | return TRUE; |
||
2528 | } |
||
2529 | |||
2530 | /* Read a C++ class definition. This is a pmisc type 80 record of |
||
2531 | category 'T'. */ |
||
2532 | |||
2533 | static bfd_boolean |
||
2534 | ieee_read_cxx_class (struct ieee_info *info, const bfd_byte **pp, |
||
2535 | unsigned long count) |
||
2536 | { |
||
2537 | const bfd_byte *start; |
||
2538 | bfd_vma cxx_class; |
||
2539 | const char *tag; |
||
2540 | unsigned long taglen; |
||
2541 | struct ieee_tag *it; |
||
2542 | void *dhandle; |
||
2543 | debug_field *fields; |
||
2544 | unsigned int field_count, field_alloc; |
||
2545 | debug_baseclass *baseclasses; |
||
2546 | unsigned int baseclasses_count, baseclasses_alloc; |
||
2547 | const debug_field *structfields; |
||
2548 | struct ieee_method |
||
2549 | { |
||
2550 | const char *name; |
||
2551 | unsigned long namlen; |
||
2552 | debug_method_variant *variants; |
||
2553 | unsigned count; |
||
2554 | unsigned int alloc; |
||
2555 | } *methods; |
||
2556 | unsigned int methods_count, methods_alloc; |
||
2557 | debug_type vptrbase; |
||
2558 | bfd_boolean ownvptr; |
||
2559 | debug_method *dmethods; |
||
2560 | |||
2561 | start = *pp; |
||
2562 | |||
2563 | if (! ieee_require_asn (info, pp, &cxx_class)) |
||
2564 | return FALSE; |
||
2565 | --count; |
||
2566 | |||
2567 | if (! ieee_require_atn65 (info, pp, &tag, &taglen)) |
||
2568 | return FALSE; |
||
2569 | --count; |
||
2570 | |||
2571 | /* Find the C struct with this name. */ |
||
2572 | for (it = info->tags; it != NULL; it = it->next) |
||
2573 | if (it->name[0] == tag[0] |
||
2574 | && strncmp (it->name, tag, taglen) == 0 |
||
2575 | && strlen (it->name) == taglen) |
||
2576 | break; |
||
2577 | if (it == NULL) |
||
2578 | { |
||
2579 | ieee_error (info, start, _("undefined C++ object")); |
||
2580 | return FALSE; |
||
2581 | } |
||
2582 | |||
2583 | dhandle = info->dhandle; |
||
2584 | |||
2585 | fields = NULL; |
||
2586 | field_count = 0; |
||
2587 | field_alloc = 0; |
||
2588 | baseclasses = NULL; |
||
2589 | baseclasses_count = 0; |
||
2590 | baseclasses_alloc = 0; |
||
2591 | methods = NULL; |
||
2592 | methods_count = 0; |
||
2593 | methods_alloc = 0; |
||
2594 | vptrbase = DEBUG_TYPE_NULL; |
||
2595 | ownvptr = FALSE; |
||
2596 | |||
2597 | structfields = debug_get_fields (dhandle, it->type); |
||
2598 | |||
2599 | while (count > 0) |
||
2600 | { |
||
2601 | bfd_vma id; |
||
2602 | const bfd_byte *spec_start; |
||
2603 | |||
2604 | spec_start = *pp; |
||
2605 | |||
2606 | if (! ieee_require_asn (info, pp, &id)) |
||
2607 | return FALSE; |
||
2608 | --count; |
||
2609 | |||
2610 | switch (id) |
||
2611 | { |
||
2612 | default: |
||
2613 | ieee_error (info, spec_start, _("unrecognized C++ object spec")); |
||
2614 | return FALSE; |
||
2615 | |||
2616 | case 'b': |
||
2617 | { |
||
2618 | bfd_vma flags, cinline; |
||
2619 | const char *base, *fieldname; |
||
2620 | unsigned long baselen, fieldlen; |
||
2621 | char *basecopy; |
||
2622 | debug_type basetype; |
||
2623 | bfd_vma bitpos; |
||
2624 | bfd_boolean virtualp; |
||
2625 | enum debug_visibility visibility; |
||
2626 | debug_baseclass baseclass; |
||
2627 | |||
2628 | /* This represents a base or friend class. */ |
||
2629 | |||
2630 | if (! ieee_require_asn (info, pp, &flags) |
||
2631 | || ! ieee_require_atn65 (info, pp, &base, &baselen) |
||
2632 | || ! ieee_require_asn (info, pp, &cinline) |
||
2633 | || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen)) |
||
2634 | return FALSE; |
||
2635 | count -= 4; |
||
2636 | |||
2637 | /* We have no way of recording friend information, so we |
||
2638 | just ignore it. */ |
||
2639 | if ((flags & BASEFLAGS_FRIEND) != 0) |
||
2640 | break; |
||
2641 | |||
2642 | /* I assume that either all of the members of the |
||
2643 | baseclass are included in the object, starting at the |
||
2644 | beginning of the object, or that none of them are |
||
2645 | included. */ |
||
2646 | |||
2647 | if ((fieldlen == 0) == (cinline == 0)) |
||
2648 | { |
||
2649 | ieee_error (info, start, _("unsupported C++ object type")); |
||
2650 | return FALSE; |
||
2651 | } |
||
2652 | |||
2653 | basecopy = savestring (base, baselen); |
||
2654 | basetype = debug_find_tagged_type (dhandle, basecopy, |
||
2655 | DEBUG_KIND_ILLEGAL); |
||
2656 | free (basecopy); |
||
2657 | if (basetype == DEBUG_TYPE_NULL) |
||
2658 | { |
||
2659 | ieee_error (info, start, _("C++ base class not defined")); |
||
2660 | return FALSE; |
||
2661 | } |
||
2662 | |||
2663 | if (fieldlen == 0) |
||
2664 | bitpos = 0; |
||
2665 | else |
||
2666 | { |
||
2667 | const debug_field *pf; |
||
2668 | |||
2669 | if (structfields == NULL) |
||
2670 | { |
||
2671 | ieee_error (info, start, _("C++ object has no fields")); |
||
2672 | return FALSE; |
||
2673 | } |
||
2674 | |||
2675 | for (pf = structfields; *pf != DEBUG_FIELD_NULL; pf++) |
||
2676 | { |
||
2677 | const char *fname; |
||
2678 | |||
2679 | fname = debug_get_field_name (dhandle, *pf); |
||
2680 | if (fname == NULL) |
||
2681 | return FALSE; |
||
2682 | if (fname[0] == fieldname[0] |
||
2683 | && strncmp (fname, fieldname, fieldlen) == 0 |
||
2684 | && strlen (fname) == fieldlen) |
||
2685 | break; |
||
2686 | } |
||
2687 | if (*pf == DEBUG_FIELD_NULL) |
||
2688 | { |
||
2689 | ieee_error (info, start, |
||
2690 | _("C++ base class not found in container")); |
||
2691 | return FALSE; |
||
2692 | } |
||
2693 | |||
2694 | bitpos = debug_get_field_bitpos (dhandle, *pf); |
||
2695 | } |
||
2696 | |||
2697 | if ((flags & BASEFLAGS_VIRTUAL) != 0) |
||
2698 | virtualp = TRUE; |
||
2699 | else |
||
2700 | virtualp = FALSE; |
||
2701 | if ((flags & BASEFLAGS_PRIVATE) != 0) |
||
2702 | visibility = DEBUG_VISIBILITY_PRIVATE; |
||
2703 | else |
||
2704 | visibility = DEBUG_VISIBILITY_PUBLIC; |
||
2705 | |||
2706 | baseclass = debug_make_baseclass (dhandle, basetype, bitpos, |
||
2707 | virtualp, visibility); |
||
2708 | if (baseclass == DEBUG_BASECLASS_NULL) |
||
2709 | return FALSE; |
||
2710 | |||
2711 | if (baseclasses_count + 1 >= baseclasses_alloc) |
||
2712 | { |
||
2713 | baseclasses_alloc += 10; |
||
2714 | baseclasses = ((debug_baseclass *) |
||
2715 | xrealloc (baseclasses, |
||
2716 | (baseclasses_alloc |
||
2717 | * sizeof *baseclasses))); |
||
2718 | } |
||
2719 | |||
2720 | baseclasses[baseclasses_count] = baseclass; |
||
2721 | ++baseclasses_count; |
||
2722 | baseclasses[baseclasses_count] = DEBUG_BASECLASS_NULL; |
||
2723 | } |
||
2724 | break; |
||
2725 | |||
2726 | case 'd': |
||
2727 | { |
||
2728 | bfd_vma flags; |
||
2729 | const char *fieldname, *mangledname; |
||
2730 | unsigned long fieldlen, mangledlen; |
||
2731 | char *fieldcopy; |
||
2732 | bfd_boolean staticp; |
||
2733 | debug_type ftype; |
||
2734 | const debug_field *pf = NULL; |
||
2735 | enum debug_visibility visibility; |
||
2736 | debug_field field; |
||
2737 | |||
2738 | /* This represents a data member. */ |
||
2739 | |||
2740 | if (! ieee_require_asn (info, pp, &flags) |
||
2741 | || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen) |
||
2742 | || ! ieee_require_atn65 (info, pp, &mangledname, &mangledlen)) |
||
2743 | return FALSE; |
||
2744 | count -= 3; |
||
2745 | |||
2746 | fieldcopy = savestring (fieldname, fieldlen); |
||
2747 | |||
2748 | staticp = (flags & CXXFLAGS_STATIC) != 0 ? TRUE : FALSE; |
||
2749 | |||
2750 | if (staticp) |
||
2751 | { |
||
2752 | struct ieee_var *pv, *pvend; |
||
2753 | |||
2754 | /* See if we can find a definition for this variable. */ |
||
2755 | pv = info->vars.vars; |
||
2756 | pvend = pv + info->vars.alloc; |
||
2757 | for (; pv < pvend; pv++) |
||
2758 | if (pv->namlen == mangledlen |
||
2759 | && strncmp (pv->name, mangledname, mangledlen) == 0) |
||
2760 | break; |
||
2761 | if (pv < pvend) |
||
2762 | ftype = pv->type; |
||
2763 | else |
||
2764 | { |
||
2765 | /* This can happen if the variable is never used. */ |
||
2766 | ftype = ieee_builtin_type (info, start, |
||
2767 | (unsigned int) builtin_void); |
||
2768 | } |
||
2769 | } |
||
2770 | else |
||
2771 | { |
||
2772 | unsigned int findx; |
||
2773 | |||
2774 | if (structfields == NULL) |
||
2775 | { |
||
2776 | ieee_error (info, start, _("C++ object has no fields")); |
||
2777 | return FALSE; |
||
2778 | } |
||
2779 | |||
2780 | for (pf = structfields, findx = 0; |
||
2781 | *pf != DEBUG_FIELD_NULL; |
||
2782 | pf++, findx++) |
||
2783 | { |
||
2784 | const char *fname; |
||
2785 | |||
2786 | fname = debug_get_field_name (dhandle, *pf); |
||
2787 | if (fname == NULL) |
||
2788 | return FALSE; |
||
2789 | if (fname[0] == mangledname[0] |
||
2790 | && strncmp (fname, mangledname, mangledlen) == 0 |
||
2791 | && strlen (fname) == mangledlen) |
||
2792 | break; |
||
2793 | } |
||
2794 | if (*pf == DEBUG_FIELD_NULL) |
||
2795 | { |
||
2796 | ieee_error (info, start, |
||
2797 | _("C++ data member not found in container")); |
||
2798 | return FALSE; |
||
2799 | } |
||
2800 | |||
2801 | ftype = debug_get_field_type (dhandle, *pf); |
||
2802 | |||
2803 | if (debug_get_type_kind (dhandle, ftype) == DEBUG_KIND_POINTER) |
||
2804 | { |
||
2805 | /* We might need to convert this field into a |
||
2806 | reference type later on, so make it an indirect |
||
2807 | type. */ |
||
2808 | if (it->fslots == NULL) |
||
2809 | { |
||
2810 | unsigned int fcnt; |
||
2811 | const debug_field *pfcnt; |
||
2812 | |||
2813 | fcnt = 0; |
||
2814 | for (pfcnt = structfields; |
||
2815 | *pfcnt != DEBUG_FIELD_NULL; |
||
2816 | pfcnt++) |
||
2817 | ++fcnt; |
||
2818 | it->fslots = ((debug_type *) |
||
2819 | xmalloc (fcnt * sizeof *it->fslots)); |
||
2820 | memset (it->fslots, 0, |
||
2821 | fcnt * sizeof *it->fslots); |
||
2822 | } |
||
2823 | |||
2824 | if (ftype == DEBUG_TYPE_NULL) |
||
2825 | return FALSE; |
||
2826 | it->fslots[findx] = ftype; |
||
2827 | ftype = debug_make_indirect_type (dhandle, |
||
2828 | it->fslots + findx, |
||
2829 | (const char *) NULL); |
||
2830 | } |
||
2831 | } |
||
2832 | if (ftype == DEBUG_TYPE_NULL) |
||
2833 | return FALSE; |
||
2834 | |||
2835 | switch (flags & CXXFLAGS_VISIBILITY) |
||
2836 | { |
||
2837 | default: |
||
2838 | ieee_error (info, start, _("unknown C++ visibility")); |
||
2839 | return FALSE; |
||
2840 | |||
2841 | case CXXFLAGS_VISIBILITY_PUBLIC: |
||
2842 | visibility = DEBUG_VISIBILITY_PUBLIC; |
||
2843 | break; |
||
2844 | |||
2845 | case CXXFLAGS_VISIBILITY_PRIVATE: |
||
2846 | visibility = DEBUG_VISIBILITY_PRIVATE; |
||
2847 | break; |
||
2848 | |||
2849 | case CXXFLAGS_VISIBILITY_PROTECTED: |
||
2850 | visibility = DEBUG_VISIBILITY_PROTECTED; |
||
2851 | break; |
||
2852 | } |
||
2853 | |||
2854 | if (staticp) |
||
2855 | { |
||
2856 | char *mangledcopy; |
||
2857 | |||
2858 | mangledcopy = savestring (mangledname, mangledlen); |
||
2859 | |||
2860 | field = debug_make_static_member (dhandle, fieldcopy, |
||
2861 | ftype, mangledcopy, |
||
2862 | visibility); |
||
2863 | } |
||
2864 | else |
||
2865 | { |
||
2866 | bfd_vma bitpos, bitsize; |
||
2867 | |||
2868 | bitpos = debug_get_field_bitpos (dhandle, *pf); |
||
2869 | bitsize = debug_get_field_bitsize (dhandle, *pf); |
||
2870 | if (bitpos == (bfd_vma) -1 || bitsize == (bfd_vma) -1) |
||
2871 | { |
||
2872 | ieee_error (info, start, _("bad C++ field bit pos or size")); |
||
2873 | return FALSE; |
||
2874 | } |
||
2875 | field = debug_make_field (dhandle, fieldcopy, ftype, bitpos, |
||
2876 | bitsize, visibility); |
||
2877 | } |
||
2878 | |||
2879 | if (field == DEBUG_FIELD_NULL) |
||
2880 | return FALSE; |
||
2881 | |||
2882 | if (field_count + 1 >= field_alloc) |
||
2883 | { |
||
2884 | field_alloc += 10; |
||
2885 | fields = ((debug_field *) |
||
2886 | xrealloc (fields, field_alloc * sizeof *fields)); |
||
2887 | } |
||
2888 | |||
2889 | fields[field_count] = field; |
||
2890 | ++field_count; |
||
2891 | fields[field_count] = DEBUG_FIELD_NULL; |
||
2892 | } |
||
2893 | break; |
||
2894 | |||
2895 | case 'm': |
||
2896 | case 'v': |
||
2897 | { |
||
2898 | bfd_vma flags, voffset, control; |
||
2899 | const char *name, *mangled; |
||
2900 | unsigned long namlen, mangledlen; |
||
2901 | struct ieee_var *pv, *pvend; |
||
2902 | debug_type type; |
||
2903 | enum debug_visibility visibility; |
||
2904 | bfd_boolean constp, volatilep; |
||
2905 | char *mangledcopy; |
||
2906 | debug_method_variant mv; |
||
2907 | struct ieee_method *meth; |
||
2908 | unsigned int im; |
||
2909 | |||
2910 | if (! ieee_require_asn (info, pp, &flags) |
||
2911 | || ! ieee_require_atn65 (info, pp, &name, &namlen) |
||
2912 | || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) |
||
2913 | return FALSE; |
||
2914 | count -= 3; |
||
2915 | if (id != 'v') |
||
2916 | voffset = 0; |
||
2917 | else |
||
2918 | { |
||
2919 | if (! ieee_require_asn (info, pp, &voffset)) |
||
2920 | return FALSE; |
||
2921 | --count; |
||
2922 | } |
||
2923 | if (! ieee_require_asn (info, pp, &control)) |
||
2924 | return FALSE; |
||
2925 | --count; |
||
2926 | |||
2927 | /* We just ignore the control information. */ |
||
2928 | |||
2929 | /* We have no way to represent friend information, so we |
||
2930 | just ignore it. */ |
||
2931 | if ((flags & CXXFLAGS_FRIEND) != 0) |
||
2932 | break; |
||
2933 | |||
2934 | /* We should already have seen a type for the function. */ |
||
2935 | pv = info->vars.vars; |
||
2936 | pvend = pv + info->vars.alloc; |
||
2937 | for (; pv < pvend; pv++) |
||
2938 | if (pv->namlen == mangledlen |
||
2939 | && strncmp (pv->name, mangled, mangledlen) == 0) |
||
2940 | break; |
||
2941 | |||
2942 | if (pv >= pvend) |
||
2943 | { |
||
2944 | /* We won't have type information for this function if |
||
2945 | it is not included in this file. We don't try to |
||
2946 | handle this case. FIXME. */ |
||
2947 | type = (debug_make_function_type |
||
2948 | (dhandle, |
||
2949 | ieee_builtin_type (info, start, |
||
2950 | (unsigned int) builtin_void), |
||
2951 | (debug_type *) NULL, |
||
2952 | FALSE)); |
||
2953 | } |
||
2954 | else |
||
2955 | { |
||
2956 | debug_type return_type; |
||
2957 | const debug_type *arg_types; |
||
2958 | bfd_boolean varargs; |
||
2959 | |||
2960 | if (debug_get_type_kind (dhandle, pv->type) |
||
2961 | != DEBUG_KIND_FUNCTION) |
||
2962 | { |
||
2963 | ieee_error (info, start, |
||
2964 | _("bad type for C++ method function")); |
||
2965 | return FALSE; |
||
2966 | } |
||
2967 | |||
2968 | return_type = debug_get_return_type (dhandle, pv->type); |
||
2969 | arg_types = debug_get_parameter_types (dhandle, pv->type, |
||
2970 | &varargs); |
||
2971 | if (return_type == DEBUG_TYPE_NULL || arg_types == NULL) |
||
2972 | { |
||
2973 | ieee_error (info, start, |
||
2974 | _("no type information for C++ method function")); |
||
2975 | return FALSE; |
||
2976 | } |
||
2977 | |||
2978 | type = debug_make_method_type (dhandle, return_type, it->type, |
||
2979 | (debug_type *) arg_types, |
||
2980 | varargs); |
||
2981 | } |
||
2982 | if (type == DEBUG_TYPE_NULL) |
||
2983 | return FALSE; |
||
2984 | |||
2985 | switch (flags & CXXFLAGS_VISIBILITY) |
||
2986 | { |
||
2987 | default: |
||
2988 | ieee_error (info, start, _("unknown C++ visibility")); |
||
2989 | return FALSE; |
||
2990 | |||
2991 | case CXXFLAGS_VISIBILITY_PUBLIC: |
||
2992 | visibility = DEBUG_VISIBILITY_PUBLIC; |
||
2993 | break; |
||
2994 | |||
2995 | case CXXFLAGS_VISIBILITY_PRIVATE: |
||
2996 | visibility = DEBUG_VISIBILITY_PRIVATE; |
||
2997 | break; |
||
2998 | |||
2999 | case CXXFLAGS_VISIBILITY_PROTECTED: |
||
3000 | visibility = DEBUG_VISIBILITY_PROTECTED; |
||
3001 | break; |
||
3002 | } |
||
3003 | |||
3004 | constp = (flags & CXXFLAGS_CONST) != 0 ? TRUE : FALSE; |
||
3005 | volatilep = (flags & CXXFLAGS_VOLATILE) != 0 ? TRUE : FALSE; |
||
3006 | |||
3007 | mangledcopy = savestring (mangled, mangledlen); |
||
3008 | |||
3009 | if ((flags & CXXFLAGS_STATIC) != 0) |
||
3010 | { |
||
3011 | if (id == 'v') |
||
3012 | { |
||
3013 | ieee_error (info, start, _("C++ static virtual method")); |
||
3014 | return FALSE; |
||
3015 | } |
||
3016 | mv = debug_make_static_method_variant (dhandle, mangledcopy, |
||
3017 | type, visibility, |
||
3018 | constp, volatilep); |
||
3019 | } |
||
3020 | else |
||
3021 | { |
||
3022 | debug_type vcontext; |
||
3023 | |||
3024 | if (id != 'v') |
||
3025 | vcontext = DEBUG_TYPE_NULL; |
||
3026 | else |
||
3027 | { |
||
3028 | /* FIXME: How can we calculate this correctly? */ |
||
3029 | vcontext = it->type; |
||
3030 | } |
||
3031 | mv = debug_make_method_variant (dhandle, mangledcopy, type, |
||
3032 | visibility, constp, |
||
3033 | volatilep, voffset, |
||
3034 | vcontext); |
||
3035 | } |
||
3036 | if (mv == DEBUG_METHOD_VARIANT_NULL) |
||
3037 | return FALSE; |
||
3038 | |||
3039 | for (meth = methods, im = 0; im < methods_count; meth++, im++) |
||
3040 | if (meth->namlen == namlen |
||
3041 | && strncmp (meth->name, name, namlen) == 0) |
||
3042 | break; |
||
3043 | if (im >= methods_count) |
||
3044 | { |
||
3045 | if (methods_count >= methods_alloc) |
||
3046 | { |
||
3047 | methods_alloc += 10; |
||
3048 | methods = ((struct ieee_method *) |
||
3049 | xrealloc (methods, |
||
3050 | methods_alloc * sizeof *methods)); |
||
3051 | } |
||
3052 | methods[methods_count].name = name; |
||
3053 | methods[methods_count].namlen = namlen; |
||
3054 | methods[methods_count].variants = NULL; |
||
3055 | methods[methods_count].count = 0; |
||
3056 | methods[methods_count].alloc = 0; |
||
3057 | meth = methods + methods_count; |
||
3058 | ++methods_count; |
||
3059 | } |
||
3060 | |||
3061 | if (meth->count + 1 >= meth->alloc) |
||
3062 | { |
||
3063 | meth->alloc += 10; |
||
3064 | meth->variants = ((debug_method_variant *) |
||
3065 | xrealloc (meth->variants, |
||
3066 | (meth->alloc |
||
3067 | * sizeof *meth->variants))); |
||
3068 | } |
||
3069 | |||
3070 | meth->variants[meth->count] = mv; |
||
3071 | ++meth->count; |
||
3072 | meth->variants[meth->count] = DEBUG_METHOD_VARIANT_NULL; |
||
3073 | } |
||
3074 | break; |
||
3075 | |||
3076 | case 'o': |
||
3077 | { |
||
3078 | bfd_vma spec; |
||
3079 | |||
3080 | /* We have no way to store this information, so we just |
||
3081 | ignore it. */ |
||
3082 | if (! ieee_require_asn (info, pp, &spec)) |
||
3083 | return FALSE; |
||
3084 | --count; |
||
3085 | if ((spec & 4) != 0) |
||
3086 | { |
||
3087 | const char *filename; |
||
3088 | unsigned long filenamlen; |
||
3089 | bfd_vma lineno; |
||
3090 | |||
3091 | if (! ieee_require_atn65 (info, pp, &filename, &filenamlen) |
||
3092 | || ! ieee_require_asn (info, pp, &lineno)) |
||
3093 | return FALSE; |
||
3094 | count -= 2; |
||
3095 | } |
||
3096 | else if ((spec & 8) != 0) |
||
3097 | { |
||
3098 | const char *mangled; |
||
3099 | unsigned long mangledlen; |
||
3100 | |||
3101 | if (! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) |
||
3102 | return FALSE; |
||
3103 | --count; |
||
3104 | } |
||
3105 | else |
||
3106 | { |
||
3107 | ieee_error (info, start, |
||
3108 | _("unrecognized C++ object overhead spec")); |
||
3109 | return FALSE; |
||
3110 | } |
||
3111 | } |
||
3112 | break; |
||
3113 | |||
3114 | case 'z': |
||
3115 | { |
||
3116 | const char *vname, *base; |
||
3117 | unsigned long vnamelen, baselen; |
||
3118 | bfd_vma vsize, control; |
||
3119 | |||
3120 | /* A virtual table pointer. */ |
||
3121 | |||
3122 | if (! ieee_require_atn65 (info, pp, &vname, &vnamelen) |
||
3123 | || ! ieee_require_asn (info, pp, &vsize) |
||
3124 | || ! ieee_require_atn65 (info, pp, &base, &baselen) |
||
3125 | || ! ieee_require_asn (info, pp, &control)) |
||
3126 | return FALSE; |
||
3127 | count -= 4; |
||
3128 | |||
3129 | /* We just ignore the control number. We don't care what |
||
3130 | the virtual table name is. We have no way to store the |
||
3131 | virtual table size, and I don't think we care anyhow. */ |
||
3132 | |||
3133 | /* FIXME: We can't handle multiple virtual table pointers. */ |
||
3134 | |||
3135 | if (baselen == 0) |
||
3136 | ownvptr = TRUE; |
||
3137 | else |
||
3138 | { |
||
3139 | char *basecopy; |
||
3140 | |||
3141 | basecopy = savestring (base, baselen); |
||
3142 | vptrbase = debug_find_tagged_type (dhandle, basecopy, |
||
3143 | DEBUG_KIND_ILLEGAL); |
||
3144 | free (basecopy); |
||
3145 | if (vptrbase == DEBUG_TYPE_NULL) |
||
3146 | { |
||
3147 | ieee_error (info, start, _("undefined C++ vtable")); |
||
3148 | return FALSE; |
||
3149 | } |
||
3150 | } |
||
3151 | } |
||
3152 | break; |
||
3153 | } |
||
3154 | } |
||
3155 | |||
3156 | /* Now that we have seen all the method variants, we can call |
||
3157 | debug_make_method for each one. */ |
||
3158 | |||
3159 | if (methods_count == 0) |
||
3160 | dmethods = NULL; |
||
3161 | else |
||
3162 | { |
||
3163 | unsigned int i; |
||
3164 | |||
3165 | dmethods = ((debug_method *) |
||
3166 | xmalloc ((methods_count + 1) * sizeof *dmethods)); |
||
3167 | for (i = 0; i < methods_count; i++) |
||
3168 | { |
||
3169 | char *namcopy; |
||
3170 | |||
3171 | namcopy = savestring (methods[i].name, methods[i].namlen); |
||
3172 | dmethods[i] = debug_make_method (dhandle, namcopy, |
||
3173 | methods[i].variants); |
||
3174 | if (dmethods[i] == DEBUG_METHOD_NULL) |
||
3175 | return FALSE; |
||
3176 | } |
||
3177 | dmethods[i] = DEBUG_METHOD_NULL; |
||
3178 | free (methods); |
||
3179 | } |
||
3180 | |||
3181 | /* The struct type was created as an indirect type pointing at |
||
3182 | it->slot. We update it->slot to automatically update all |
||
3183 | references to this struct. */ |
||
3184 | it->slot = debug_make_object_type (dhandle, |
||
3185 | cxx_class != 'u', |
||
3186 | debug_get_type_size (dhandle, |
||
3187 | it->slot), |
||
3188 | fields, baseclasses, dmethods, |
||
3189 | vptrbase, ownvptr); |
||
3190 | if (it->slot == DEBUG_TYPE_NULL) |
||
3191 | return FALSE; |
||
3192 | |||
3193 | return TRUE; |
||
3194 | } |
||
3195 | |||
3196 | /* Read C++ default argument value and reference type information. */ |
||
3197 | |||
3198 | static bfd_boolean |
||
3199 | ieee_read_cxx_defaults (struct ieee_info *info, const bfd_byte **pp, |
||
3200 | unsigned long count) |
||
3201 | { |
||
3202 | const bfd_byte *start; |
||
3203 | const char *fnname; |
||
3204 | unsigned long fnlen; |
||
3205 | bfd_vma defcount; |
||
3206 | |||
3207 | start = *pp; |
||
3208 | |||
3209 | /* Giving the function name before the argument count is an addendum |
||
3210 | to the spec. The function name is demangled, though, so this |
||
3211 | record must always refer to the current function. */ |
||
3212 | |||
3213 | if (info->blockstack.bsp <= info->blockstack.stack |
||
3214 | || info->blockstack.bsp[-1].fnindx == (unsigned int) -1) |
||
3215 | { |
||
3216 | ieee_error (info, start, _("C++ default values not in a function")); |
||
3217 | return FALSE; |
||
3218 | } |
||
3219 | |||
3220 | if (! ieee_require_atn65 (info, pp, &fnname, &fnlen) |
||
3221 | || ! ieee_require_asn (info, pp, &defcount)) |
||
3222 | return FALSE; |
||
3223 | count -= 2; |
||
3224 | |||
3225 | while (defcount-- > 0) |
||
3226 | { |
||
3227 | bfd_vma type, val; |
||
3228 | const char *strval; |
||
3229 | unsigned long strvallen; |
||
3230 | |||
3231 | if (! ieee_require_asn (info, pp, &type)) |
||
3232 | return FALSE; |
||
3233 | --count; |
||
3234 | |||
3235 | switch (type) |
||
3236 | { |
||
3237 | case 0: |
||
3238 | case 4: |
||
3239 | break; |
||
3240 | |||
3241 | case 1: |
||
3242 | case 2: |
||
3243 | if (! ieee_require_asn (info, pp, &val)) |
||
3244 | return FALSE; |
||
3245 | --count; |
||
3246 | break; |
||
3247 | |||
3248 | case 3: |
||
3249 | case 7: |
||
3250 | if (! ieee_require_atn65 (info, pp, &strval, &strvallen)) |
||
3251 | return FALSE; |
||
3252 | --count; |
||
3253 | break; |
||
3254 | |||
3255 | default: |
||
3256 | ieee_error (info, start, _("unrecognized C++ default type")); |
||
3257 | return FALSE; |
||
3258 | } |
||
3259 | |||
3260 | /* We have no way to record the default argument values, so we |
||
3261 | just ignore them. FIXME. */ |
||
3262 | } |
||
3263 | |||
3264 | /* Any remaining arguments are indices of parameters that are really |
||
3265 | reference type. */ |
||
3266 | if (count > 0) |
||
3267 | { |
||
3268 | void *dhandle; |
||
3269 | debug_type *arg_slots; |
||
3270 | |||
3271 | dhandle = info->dhandle; |
||
3272 | arg_slots = info->types.types[info->blockstack.bsp[-1].fnindx].arg_slots; |
||
3273 | while (count-- > 0) |
||
3274 | { |
||
3275 | bfd_vma indx; |
||
3276 | debug_type target; |
||
3277 | |||
3278 | if (! ieee_require_asn (info, pp, &indx)) |
||
3279 | return FALSE; |
||
3280 | /* The index is 1 based. */ |
||
3281 | --indx; |
||
3282 | if (arg_slots == NULL |
||
3283 | || arg_slots[indx] == DEBUG_TYPE_NULL |
||
3284 | || (debug_get_type_kind (dhandle, arg_slots[indx]) |
||
3285 | != DEBUG_KIND_POINTER)) |
||
3286 | { |
||
3287 | ieee_error (info, start, _("reference parameter is not a pointer")); |
||
3288 | return FALSE; |
||
3289 | } |
||
3290 | |||
3291 | target = debug_get_target_type (dhandle, arg_slots[indx]); |
||
3292 | arg_slots[indx] = debug_make_reference_type (dhandle, target); |
||
3293 | if (arg_slots[indx] == DEBUG_TYPE_NULL) |
||
3294 | return FALSE; |
||
3295 | } |
||
3296 | } |
||
3297 | |||
3298 | return TRUE; |
||
3299 | } |
||
3300 | |||
3301 | /* Read a C++ reference definition. */ |
||
3302 | |||
3303 | static bfd_boolean |
||
3304 | ieee_read_reference (struct ieee_info *info, const bfd_byte **pp) |
||
3305 | { |
||
3306 | const bfd_byte *start; |
||
3307 | bfd_vma flags; |
||
3308 | const char *cxx_class, *name; |
||
3309 | unsigned long classlen, namlen; |
||
3310 | debug_type *pslot; |
||
3311 | debug_type target; |
||
3312 | |||
3313 | start = *pp; |
||
3314 | |||
3315 | if (! ieee_require_asn (info, pp, &flags)) |
||
3316 | return FALSE; |
||
3317 | |||
3318 | /* Giving the class name before the member name is in an addendum to |
||
3319 | the spec. */ |
||
3320 | if (flags == 3) |
||
3321 | { |
||
3322 | if (! ieee_require_atn65 (info, pp, &cxx_class, &classlen)) |
||
3323 | return FALSE; |
||
3324 | } |
||
3325 | |||
3326 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
||
3327 | return FALSE; |
||
3328 | |||
3329 | pslot = NULL; |
||
3330 | if (flags != 3) |
||
3331 | { |
||
3332 | int pass; |
||
3333 | |||
3334 | /* We search from the last variable indices to the first in |
||
3335 | hopes of finding local variables correctly. We search the |
||
3336 | local variables on the first pass, and the global variables |
||
3337 | on the second. FIXME: This probably won't work in all cases. |
||
3338 | On the other hand, I don't know what will. */ |
||
3339 | for (pass = 0; pass < 2; pass++) |
||
3340 | { |
||
3341 | struct ieee_vars *vars; |
||
3342 | int i; |
||
3343 | struct ieee_var *pv = NULL; |
||
3344 | |||
3345 | if (pass == 0) |
||
3346 | vars = &info->vars; |
||
3347 | else |
||
3348 | { |
||
3349 | vars = info->global_vars; |
||
3350 | if (vars == NULL) |
||
3351 | break; |
||
3352 | } |
||
3353 | |||
3354 | for (i = (int) vars->alloc - 1; i >= 0; i--) |
||
3355 | { |
||
3356 | bfd_boolean found; |
||
3357 | |||
3358 | pv = vars->vars + i; |
||
3359 | |||
3360 | if (pv->pslot == NULL |
||
3361 | || pv->namlen != namlen |
||
3362 | || strncmp (pv->name, name, namlen) != 0) |
||
3363 | continue; |
||
3364 | |||
3365 | found = FALSE; |
||
3366 | switch (flags) |
||
3367 | { |
||
3368 | default: |
||
3369 | ieee_error (info, start, |
||
3370 | _("unrecognized C++ reference type")); |
||
3371 | return FALSE; |
||
3372 | |||
3373 | case 0: |
||
3374 | /* Global variable or function. */ |
||
3375 | if (pv->kind == IEEE_GLOBAL |
||
3376 | || pv->kind == IEEE_EXTERNAL |
||
3377 | || pv->kind == IEEE_FUNCTION) |
||
3378 | found = TRUE; |
||
3379 | break; |
||
3380 | |||
3381 | case 1: |
||
3382 | /* Global static variable or function. */ |
||
3383 | if (pv->kind == IEEE_STATIC |
||
3384 | || pv->kind == IEEE_FUNCTION) |
||
3385 | found = TRUE; |
||
3386 | break; |
||
3387 | |||
3388 | case 2: |
||
3389 | /* Local variable. */ |
||
3390 | if (pv->kind == IEEE_LOCAL) |
||
3391 | found = TRUE; |
||
3392 | break; |
||
3393 | } |
||
3394 | |||
3395 | if (found) |
||
3396 | break; |
||
3397 | } |
||
3398 | |||
3399 | if (i >= 0) |
||
3400 | { |
||
3401 | pslot = pv->pslot; |
||
3402 | break; |
||
3403 | } |
||
3404 | } |
||
3405 | } |
||
3406 | else |
||
3407 | { |
||
3408 | struct ieee_tag *it; |
||
3409 | |||
3410 | for (it = info->tags; it != NULL; it = it->next) |
||
3411 | { |
||
3412 | if (it->name[0] == cxx_class[0] |
||
3413 | && strncmp (it->name, cxx_class, classlen) == 0 |
||
3414 | && strlen (it->name) == classlen) |
||
3415 | { |
||
3416 | if (it->fslots != NULL) |
||
3417 | { |
||
3418 | const debug_field *pf; |
||
3419 | unsigned int findx; |
||
3420 | |||
3421 | pf = debug_get_fields (info->dhandle, it->type); |
||
3422 | if (pf == NULL) |
||
3423 | { |
||
3424 | ieee_error (info, start, |
||
3425 | "C++ reference in class with no fields"); |
||
3426 | return FALSE; |
||
3427 | } |
||
3428 | |||
3429 | for (findx = 0; *pf != DEBUG_FIELD_NULL; pf++, findx++) |
||
3430 | { |
||
3431 | const char *fname; |
||
3432 | |||
3433 | fname = debug_get_field_name (info->dhandle, *pf); |
||
3434 | if (fname == NULL) |
||
3435 | return FALSE; |
||
3436 | if (strncmp (fname, name, namlen) == 0 |
||
3437 | && strlen (fname) == namlen) |
||
3438 | { |
||
3439 | pslot = it->fslots + findx; |
||
3440 | break; |
||
3441 | } |
||
3442 | } |
||
3443 | } |
||
3444 | |||
3445 | break; |
||
3446 | } |
||
3447 | } |
||
3448 | } |
||
3449 | |||
3450 | if (pslot == NULL) |
||
3451 | { |
||
3452 | ieee_error (info, start, _("C++ reference not found")); |
||
3453 | return FALSE; |
||
3454 | } |
||
3455 | |||
3456 | /* We allocated the type of the object as an indirect type pointing |
||
3457 | to *pslot, which we can now update to be a reference type. */ |
||
3458 | if (debug_get_type_kind (info->dhandle, *pslot) != DEBUG_KIND_POINTER) |
||
3459 | { |
||
3460 | ieee_error (info, start, _("C++ reference is not pointer")); |
||
3461 | return FALSE; |
||
3462 | } |
||
3463 | |||
3464 | target = debug_get_target_type (info->dhandle, *pslot); |
||
3465 | *pslot = debug_make_reference_type (info->dhandle, target); |
||
3466 | if (*pslot == DEBUG_TYPE_NULL) |
||
3467 | return FALSE; |
||
3468 | |||
3469 | return TRUE; |
||
3470 | } |
||
3471 | |||
3472 | /* Require an ASN record. */ |
||
3473 | |||
3474 | static bfd_boolean |
||
3475 | ieee_require_asn (struct ieee_info *info, const bfd_byte **pp, bfd_vma *pv) |
||
3476 | { |
||
3477 | const bfd_byte *start; |
||
3478 | ieee_record_enum_type c; |
||
3479 | bfd_vma varindx; |
||
3480 | |||
3481 | start = *pp; |
||
3482 | |||
3483 | c = (ieee_record_enum_type) **pp; |
||
3484 | if (c != ieee_e2_first_byte_enum) |
||
3485 | { |
||
3486 | ieee_error (info, start, _("missing required ASN")); |
||
3487 | return FALSE; |
||
3488 | } |
||
3489 | ++*pp; |
||
3490 | |||
3491 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); |
||
3492 | if (c != ieee_asn_record_enum) |
||
3493 | { |
||
3494 | ieee_error (info, start, _("missing required ASN")); |
||
3495 | return FALSE; |
||
3496 | } |
||
3497 | ++*pp; |
||
3498 | |||
3499 | /* Just ignore the variable index. */ |
||
3500 | if (! ieee_read_number (info, pp, &varindx)) |
||
3501 | return FALSE; |
||
3502 | |||
3503 | return ieee_read_expression (info, pp, pv); |
||
3504 | } |
||
3505 | |||
3506 | /* Require an ATN65 record. */ |
||
3507 | |||
3508 | static bfd_boolean |
||
3509 | ieee_require_atn65 (struct ieee_info *info, const bfd_byte **pp, |
||
3510 | const char **pname, unsigned long *pnamlen) |
||
3511 | { |
||
3512 | const bfd_byte *start; |
||
3513 | ieee_record_enum_type c; |
||
3514 | bfd_vma name_indx, type_indx, atn_code; |
||
3515 | |||
3516 | start = *pp; |
||
3517 | |||
3518 | c = (ieee_record_enum_type) **pp; |
||
3519 | if (c != ieee_at_record_enum) |
||
3520 | { |
||
3521 | ieee_error (info, start, _("missing required ATN65")); |
||
3522 | return FALSE; |
||
3523 | } |
||
3524 | ++*pp; |
||
3525 | |||
3526 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); |
||
3527 | if (c != ieee_atn_record_enum) |
||
3528 | { |
||
3529 | ieee_error (info, start, _("missing required ATN65")); |
||
3530 | return FALSE; |
||
3531 | } |
||
3532 | ++*pp; |
||
3533 | |||
3534 | if (! ieee_read_number (info, pp, &name_indx) |
||
3535 | || ! ieee_read_number (info, pp, &type_indx) |
||
3536 | || ! ieee_read_number (info, pp, &atn_code)) |
||
3537 | return FALSE; |
||
3538 | |||
3539 | /* Just ignore name_indx. */ |
||
3540 | |||
3541 | if (type_indx != 0 || atn_code != 65) |
||
3542 | { |
||
3543 | ieee_error (info, start, _("bad ATN65 record")); |
||
3544 | return FALSE; |
||
3545 | } |
||
3546 | |||
3547 | return ieee_read_id (info, pp, pname, pnamlen); |
||
3548 | } |
||
3549 | |||
3550 | /* Convert a register number in IEEE debugging information into a |
||
3551 | generic register number. */ |
||
3552 | |||
3553 | static int |
||
3554 | ieee_regno_to_genreg (bfd *abfd, int r) |
||
3555 | { |
||
3556 | switch (bfd_get_arch (abfd)) |
||
3557 | { |
||
3558 | case bfd_arch_m68k: |
||
3559 | /* For some reasons stabs adds 2 to the floating point register |
||
3560 | numbers. */ |
||
3561 | if (r >= 16) |
||
3562 | r += 2; |
||
3563 | break; |
||
3564 | |||
3565 | case bfd_arch_i960: |
||
3566 | /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and |
||
3567 | 32 to 35 for fp0 to fp3. */ |
||
3568 | --r; |
||
3569 | break; |
||
3570 | |||
3571 | default: |
||
3572 | break; |
||
3573 | } |
||
3574 | |||
3575 | return r; |
||
3576 | } |
||
3577 | |||
3578 | /* Convert a generic register number to an IEEE specific one. */ |
||
3579 | |||
3580 | static int |
||
3581 | ieee_genreg_to_regno (bfd *abfd, int r) |
||
3582 | { |
||
3583 | switch (bfd_get_arch (abfd)) |
||
3584 | { |
||
3585 | case bfd_arch_m68k: |
||
3586 | /* For some reason stabs add 2 to the floating point register |
||
3587 | numbers. */ |
||
3588 | if (r >= 18) |
||
3589 | r -= 2; |
||
3590 | break; |
||
3591 | |||
3592 | case bfd_arch_i960: |
||
3593 | /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and |
||
3594 | 32 to 35 for fp0 to fp3. */ |
||
3595 | ++r; |
||
3596 | break; |
||
3597 | |||
3598 | default: |
||
3599 | break; |
||
3600 | } |
||
3601 | |||
3602 | return r; |
||
3603 | } |
||
3604 | |||
3605 | /* These routines build IEEE debugging information out of the generic |
||
3606 | debugging information. */ |
||
3607 | |||
3608 | /* We build the IEEE debugging information byte by byte. Rather than |
||
3609 | waste time copying data around, we use a linked list of buffers to |
||
3610 | hold the data. */ |
||
3611 | |||
3612 | #define IEEE_BUFSIZE (490) |
||
3613 | |||
3614 | struct ieee_buf |
||
3615 | { |
||
3616 | /* Next buffer. */ |
||
3617 | struct ieee_buf *next; |
||
3618 | /* Number of data bytes in this buffer. */ |
||
3619 | unsigned int c; |
||
3620 | /* Bytes. */ |
||
3621 | bfd_byte buf[IEEE_BUFSIZE]; |
||
3622 | }; |
||
3623 | |||
3624 | /* A list of buffers. */ |
||
3625 | |||
3626 | struct ieee_buflist |
||
3627 | { |
||
3628 | /* Head of list. */ |
||
3629 | struct ieee_buf *head; |
||
3630 | /* Tail--last buffer on list. */ |
||
3631 | struct ieee_buf *tail; |
||
3632 | }; |
||
3633 | |||
3634 | /* In order to generate the BB11 blocks required by the HP emulator, |
||
3635 | we keep track of ranges of addresses which correspond to a given |
||
3636 | compilation unit. */ |
||
3637 | |||
3638 | struct ieee_range |
||
3639 | { |
||
3640 | /* Next range. */ |
||
3641 | struct ieee_range *next; |
||
3642 | /* Low address. */ |
||
3643 | bfd_vma low; |
||
3644 | /* High address. */ |
||
3645 | bfd_vma high; |
||
3646 | }; |
||
3647 | |||
3648 | /* This structure holds information for a class on the type stack. */ |
||
3649 | |||
3650 | struct ieee_type_class |
||
3651 | { |
||
3652 | /* The name index in the debugging information. */ |
||
3653 | unsigned int indx; |
||
3654 | /* The pmisc records for the class. */ |
||
3655 | struct ieee_buflist pmiscbuf; |
||
3656 | /* The number of pmisc records. */ |
||
3657 | unsigned int pmisccount; |
||
3658 | /* The name of the class holding the virtual table, if not this |
||
3659 | class. */ |
||
3660 | const char *vclass; |
||
3661 | /* Whether this class holds its own virtual table. */ |
||
3662 | bfd_boolean ownvptr; |
||
3663 | /* The largest virtual table offset seen so far. */ |
||
3664 | bfd_vma voffset; |
||
3665 | /* The current method. */ |
||
3666 | const char *method; |
||
3667 | /* Additional pmisc records used to record fields of reference type. */ |
||
3668 | struct ieee_buflist refs; |
||
3669 | }; |
||
3670 | |||
3671 | /* This is how we store types for the writing routines. Most types |
||
3672 | are simply represented by a type index. */ |
||
3673 | |||
3674 | struct ieee_write_type |
||
3675 | { |
||
3676 | /* Type index. */ |
||
3677 | unsigned int indx; |
||
3678 | /* The size of the type, if known. */ |
||
3679 | unsigned int size; |
||
3680 | /* The name of the type, if any. */ |
||
3681 | const char *name; |
||
3682 | /* If this is a function or method type, we build the type here, and |
||
3683 | only add it to the output buffers if we need it. */ |
||
3684 | struct ieee_buflist fndef; |
||
3685 | /* If this is a struct, this is where the struct definition is |
||
3686 | built. */ |
||
3687 | struct ieee_buflist strdef; |
||
3688 | /* If this is a class, this is where the class information is built. */ |
||
3689 | struct ieee_type_class *classdef; |
||
3690 | /* Whether the type is unsigned. */ |
||
3691 | unsigned int unsignedp : 1; |
||
3692 | /* Whether this is a reference type. */ |
||
3693 | unsigned int referencep : 1; |
||
3694 | /* Whether this is in the local type block. */ |
||
3695 | unsigned int localp : 1; |
||
3696 | /* Whether this is a duplicate struct definition which we are |
||
3697 | ignoring. */ |
||
3698 | unsigned int ignorep : 1; |
||
3699 | }; |
||
3700 | |||
3701 | /* This is the type stack used by the debug writing routines. FIXME: |
||
3702 | We could generate more efficient output if we remembered when we |
||
3703 | have output a particular type before. */ |
||
3704 | |||
3705 | struct ieee_type_stack |
||
3706 | { |
||
3707 | /* Next entry on stack. */ |
||
3708 | struct ieee_type_stack *next; |
||
3709 | /* Type information. */ |
||
3710 | struct ieee_write_type type; |
||
3711 | }; |
||
3712 | |||
3713 | /* This is a list of associations between a name and some types. |
||
3714 | These are used for typedefs and tags. */ |
||
3715 | |||
3716 | struct ieee_name_type |
||
3717 | { |
||
3718 | /* Next type for this name. */ |
||
3719 | struct ieee_name_type *next; |
||
3720 | /* ID number. For a typedef, this is the index of the type to which |
||
3721 | this name is typedefed. */ |
||
3722 | unsigned int id; |
||
3723 | /* Type. */ |
||
3724 | struct ieee_write_type type; |
||
3725 | /* If this is a tag which has not yet been defined, this is the |
||
3726 | kind. If the tag has been defined, this is DEBUG_KIND_ILLEGAL. */ |
||
3727 | enum debug_type_kind kind; |
||
3728 | }; |
||
3729 | |||
3730 | /* We use a hash table to associate names and types. */ |
||
3731 | |||
3732 | struct ieee_name_type_hash_table |
||
3733 | { |
||
3734 | struct bfd_hash_table root; |
||
3735 | }; |
||
3736 | |||
3737 | struct ieee_name_type_hash_entry |
||
3738 | { |
||
3739 | struct bfd_hash_entry root; |
||
3740 | /* Information for this name. */ |
||
3741 | struct ieee_name_type *types; |
||
3742 | }; |
||
3743 | |||
3744 | /* This is a list of enums. */ |
||
3745 | |||
3746 | struct ieee_defined_enum |
||
3747 | { |
||
3748 | /* Next enum. */ |
||
3749 | struct ieee_defined_enum *next; |
||
3750 | /* Type index. */ |
||
3751 | unsigned int indx; |
||
3752 | /* Whether this enum has been defined. */ |
||
3753 | bfd_boolean defined; |
||
3754 | /* Tag. */ |
||
3755 | const char *tag; |
||
3756 | /* Names. */ |
||
3757 | const char **names; |
||
3758 | /* Values. */ |
||
3759 | bfd_signed_vma *vals; |
||
3760 | }; |
||
3761 | |||
3762 | /* We keep a list of modified versions of types, so that we don't |
||
3763 | output them more than once. */ |
||
3764 | |||
3765 | struct ieee_modified_type |
||
3766 | { |
||
3767 | /* Pointer to this type. */ |
||
3768 | unsigned int pointer; |
||
3769 | /* Function with unknown arguments returning this type. */ |
||
3770 | unsigned int function; |
||
3771 | /* Const version of this type. */ |
||
3772 | unsigned int const_qualified; |
||
3773 | /* Volatile version of this type. */ |
||
3774 | unsigned int volatile_qualified; |
||
3775 | /* List of arrays of this type of various bounds. */ |
||
3776 | struct ieee_modified_array_type *arrays; |
||
3777 | }; |
||
3778 | |||
3779 | /* A list of arrays bounds. */ |
||
3780 | |||
3781 | struct ieee_modified_array_type |
||
3782 | { |
||
3783 | /* Next array bounds. */ |
||
3784 | struct ieee_modified_array_type *next; |
||
3785 | /* Type index with these bounds. */ |
||
3786 | unsigned int indx; |
||
3787 | /* Low bound. */ |
||
3788 | bfd_signed_vma low; |
||
3789 | /* High bound. */ |
||
3790 | bfd_signed_vma high; |
||
3791 | }; |
||
3792 | |||
3793 | /* This is a list of pending function parameter information. We don't |
||
3794 | output them until we see the first block. */ |
||
3795 | |||
3796 | struct ieee_pending_parm |
||
3797 | { |
||
3798 | /* Next pending parameter. */ |
||
3799 | struct ieee_pending_parm *next; |
||
3800 | /* Name. */ |
||
3801 | const char *name; |
||
3802 | /* Type index. */ |
||
3803 | unsigned int type; |
||
3804 | /* Whether the type is a reference. */ |
||
3805 | bfd_boolean referencep; |
||
3806 | /* Kind. */ |
||
3807 | enum debug_parm_kind kind; |
||
3808 | /* Value. */ |
||
3809 | bfd_vma val; |
||
3810 | }; |
||
3811 | |||
3812 | /* This is the handle passed down by debug_write. */ |
||
3813 | |||
3814 | struct ieee_handle |
||
3815 | { |
||
3816 | /* BFD we are writing to. */ |
||
3817 | bfd *abfd; |
||
3818 | /* Whether we got an error in a subroutine called via traverse or |
||
3819 | map_over_sections. */ |
||
3820 | bfd_boolean error; |
||
3821 | /* Current data buffer list. */ |
||
3822 | struct ieee_buflist *current; |
||
3823 | /* Current data buffer. */ |
||
3824 | struct ieee_buf *curbuf; |
||
3825 | /* Filename of current compilation unit. */ |
||
3826 | const char *filename; |
||
3827 | /* Module name of current compilation unit. */ |
||
3828 | const char *modname; |
||
3829 | /* List of buffer for global types. */ |
||
3830 | struct ieee_buflist global_types; |
||
3831 | /* List of finished data buffers. */ |
||
3832 | struct ieee_buflist data; |
||
3833 | /* List of buffers for typedefs in the current compilation unit. */ |
||
3834 | struct ieee_buflist types; |
||
3835 | /* List of buffers for variables and functions in the current |
||
3836 | compilation unit. */ |
||
3837 | struct ieee_buflist vars; |
||
3838 | /* List of buffers for C++ class definitions in the current |
||
3839 | compilation unit. */ |
||
3840 | struct ieee_buflist cxx; |
||
3841 | /* List of buffers for line numbers in the current compilation unit. */ |
||
3842 | struct ieee_buflist linenos; |
||
3843 | /* Ranges for the current compilation unit. */ |
||
3844 | struct ieee_range *ranges; |
||
3845 | /* Ranges for all debugging information. */ |
||
3846 | struct ieee_range *global_ranges; |
||
3847 | /* Nested pending ranges. */ |
||
3848 | struct ieee_range *pending_ranges; |
||
3849 | /* Type stack. */ |
||
3850 | struct ieee_type_stack *type_stack; |
||
3851 | /* Next unallocated type index. */ |
||
3852 | unsigned int type_indx; |
||
3853 | /* Next unallocated name index. */ |
||
3854 | unsigned int name_indx; |
||
3855 | /* Typedefs. */ |
||
3856 | struct ieee_name_type_hash_table typedefs; |
||
3857 | /* Tags. */ |
||
3858 | struct ieee_name_type_hash_table tags; |
||
3859 | /* Enums. */ |
||
3860 | struct ieee_defined_enum *enums; |
||
3861 | /* Modified versions of types. */ |
||
3862 | struct ieee_modified_type *modified; |
||
3863 | /* Number of entries allocated in modified. */ |
||
3864 | unsigned int modified_alloc; |
||
3865 | /* 4 byte complex type. */ |
||
3866 | unsigned int complex_float_index; |
||
3867 | /* 8 byte complex type. */ |
||
3868 | unsigned int complex_double_index; |
||
3869 | /* The depth of block nesting. This is 0 outside a function, and 1 |
||
3870 | just after start_function is called. */ |
||
3871 | unsigned int block_depth; |
||
3872 | /* The name of the current function. */ |
||
3873 | const char *fnname; |
||
3874 | /* List of buffers for the type of the function we are currently |
||
3875 | writing out. */ |
||
3876 | struct ieee_buflist fntype; |
||
3877 | /* List of buffers for the parameters of the function we are |
||
3878 | currently writing out. */ |
||
3879 | struct ieee_buflist fnargs; |
||
3880 | /* Number of arguments written to fnargs. */ |
||
3881 | unsigned int fnargcount; |
||
3882 | /* Pending function parameters. */ |
||
3883 | struct ieee_pending_parm *pending_parms; |
||
3884 | /* Current line number filename. */ |
||
3885 | const char *lineno_filename; |
||
3886 | /* Line number name index. */ |
||
3887 | unsigned int lineno_name_indx; |
||
3888 | /* Filename of pending line number. */ |
||
3889 | const char *pending_lineno_filename; |
||
3890 | /* Pending line number. */ |
||
3891 | unsigned long pending_lineno; |
||
3892 | /* Address of pending line number. */ |
||
3893 | bfd_vma pending_lineno_addr; |
||
3894 | /* Highest address seen at end of procedure. */ |
||
3895 | bfd_vma highaddr; |
||
3896 | }; |
||
3897 | |||
3898 | static bfd_boolean ieee_init_buffer |
||
3899 | (struct ieee_handle *, struct ieee_buflist *); |
||
3900 | static bfd_boolean ieee_change_buffer |
||
3901 | (struct ieee_handle *, struct ieee_buflist *); |
||
3902 | static bfd_boolean ieee_append_buffer |
||
3903 | (struct ieee_handle *, struct ieee_buflist *, struct ieee_buflist *); |
||
3904 | static bfd_boolean ieee_real_write_byte (struct ieee_handle *, int); |
||
3905 | static bfd_boolean ieee_write_2bytes (struct ieee_handle *, int); |
||
3906 | static bfd_boolean ieee_write_number (struct ieee_handle *, bfd_vma); |
||
3907 | static bfd_boolean ieee_write_id (struct ieee_handle *, const char *); |
||
3908 | static bfd_boolean ieee_write_asn |
||
3909 | (struct ieee_handle *, unsigned int, bfd_vma); |
||
3910 | static bfd_boolean ieee_write_atn65 |
||
3911 | (struct ieee_handle *, unsigned int, const char *); |
||
3912 | static bfd_boolean ieee_push_type |
||
3913 | (struct ieee_handle *, unsigned int, unsigned int, bfd_boolean, |
||
3914 | bfd_boolean); |
||
3915 | static unsigned int ieee_pop_type (struct ieee_handle *); |
||
3916 | static void ieee_pop_unused_type (struct ieee_handle *); |
||
3917 | static unsigned int ieee_pop_type_used (struct ieee_handle *, bfd_boolean); |
||
3918 | static bfd_boolean ieee_add_range |
||
3919 | (struct ieee_handle *, bfd_boolean, bfd_vma, bfd_vma); |
||
3920 | static bfd_boolean ieee_start_range (struct ieee_handle *, bfd_vma); |
||
3921 | static bfd_boolean ieee_end_range (struct ieee_handle *, bfd_vma); |
||
3922 | static bfd_boolean ieee_define_type |
||
3923 | (struct ieee_handle *, unsigned int, bfd_boolean, bfd_boolean); |
||
3924 | static bfd_boolean ieee_define_named_type |
||
3925 | (struct ieee_handle *, const char *, unsigned int, unsigned int, |
||
3926 | bfd_boolean, bfd_boolean, struct ieee_buflist *); |
||
3927 | static struct ieee_modified_type *ieee_get_modified_info |
||
3928 | (struct ieee_handle *, unsigned int); |
||
3929 | static struct bfd_hash_entry *ieee_name_type_newfunc |
||
3930 | (struct bfd_hash_entry *, struct bfd_hash_table *, const char *); |
||
3931 | static bfd_boolean ieee_write_undefined_tag |
||
3932 | (struct ieee_name_type_hash_entry *, void *); |
||
3933 | static bfd_boolean ieee_finish_compilation_unit (struct ieee_handle *); |
||
3934 | static void ieee_add_bb11_blocks (bfd *, asection *, void *); |
||
3935 | static bfd_boolean ieee_add_bb11 |
||
3936 | (struct ieee_handle *, asection *, bfd_vma, bfd_vma); |
||
3937 | static bfd_boolean ieee_output_pending_parms (struct ieee_handle *); |
||
3938 | static unsigned int ieee_vis_to_flags (enum debug_visibility); |
||
3939 | static bfd_boolean ieee_class_method_var |
||
3940 | (struct ieee_handle *, const char *, enum debug_visibility, bfd_boolean, |
||
3941 | bfd_boolean, bfd_boolean, bfd_vma, bfd_boolean); |
||
3942 | |||
3943 | static bfd_boolean ieee_start_compilation_unit (void *, const char *); |
||
3944 | static bfd_boolean ieee_start_source (void *, const char *); |
||
3945 | static bfd_boolean ieee_empty_type (void *); |
||
3946 | static bfd_boolean ieee_void_type (void *); |
||
3947 | static bfd_boolean ieee_int_type (void *, unsigned int, bfd_boolean); |
||
3948 | static bfd_boolean ieee_float_type (void *, unsigned int); |
||
3949 | static bfd_boolean ieee_complex_type (void *, unsigned int); |
||
3950 | static bfd_boolean ieee_bool_type (void *, unsigned int); |
||
3951 | static bfd_boolean ieee_enum_type |
||
3952 | (void *, const char *, const char **, bfd_signed_vma *); |
||
3953 | static bfd_boolean ieee_pointer_type (void *); |
||
3954 | static bfd_boolean ieee_function_type (void *, int, bfd_boolean); |
||
3955 | static bfd_boolean ieee_reference_type (void *); |
||
3956 | static bfd_boolean ieee_range_type (void *, bfd_signed_vma, bfd_signed_vma); |
||
3957 | static bfd_boolean ieee_array_type |
||
3958 | (void *, bfd_signed_vma, bfd_signed_vma, bfd_boolean); |
||
3959 | static bfd_boolean ieee_set_type (void *, bfd_boolean); |
||
3960 | static bfd_boolean ieee_offset_type (void *); |
||
3961 | static bfd_boolean ieee_method_type (void *, bfd_boolean, int, bfd_boolean); |
||
3962 | static bfd_boolean ieee_const_type (void *); |
||
3963 | static bfd_boolean ieee_volatile_type (void *); |
||
3964 | static bfd_boolean ieee_start_struct_type |
||
3965 | (void *, const char *, unsigned int, bfd_boolean, unsigned int); |
||
3966 | static bfd_boolean ieee_struct_field |
||
3967 | (void *, const char *, bfd_vma, bfd_vma, enum debug_visibility); |
||
3968 | static bfd_boolean ieee_end_struct_type (void *); |
||
3969 | static bfd_boolean ieee_start_class_type |
||
3970 | (void *, const char *, unsigned int, bfd_boolean, unsigned int, bfd_boolean, |
||
3971 | bfd_boolean); |
||
3972 | static bfd_boolean ieee_class_static_member |
||
3973 | (void *, const char *, const char *, enum debug_visibility); |
||
3974 | static bfd_boolean ieee_class_baseclass |
||
3975 | (void *, bfd_vma, bfd_boolean, enum debug_visibility); |
||
3976 | static bfd_boolean ieee_class_start_method (void *, const char *); |
||
3977 | static bfd_boolean ieee_class_method_variant |
||
3978 | (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean, |
||
3979 | bfd_vma, bfd_boolean); |
||
3980 | static bfd_boolean ieee_class_static_method_variant |
||
3981 | (void *, const char *, enum debug_visibility, bfd_boolean, bfd_boolean); |
||
3982 | static bfd_boolean ieee_class_end_method (void *); |
||
3983 | static bfd_boolean ieee_end_class_type (void *); |
||
3984 | static bfd_boolean ieee_typedef_type (void *, const char *); |
||
3985 | static bfd_boolean ieee_tag_type |
||
3986 | (void *, const char *, unsigned int, enum debug_type_kind); |
||
3987 | static bfd_boolean ieee_typdef (void *, const char *); |
||
3988 | static bfd_boolean ieee_tag (void *, const char *); |
||
3989 | static bfd_boolean ieee_int_constant (void *, const char *, bfd_vma); |
||
3990 | static bfd_boolean ieee_float_constant (void *, const char *, double); |
||
3991 | static bfd_boolean ieee_typed_constant (void *, const char *, bfd_vma); |
||
3992 | static bfd_boolean ieee_variable |
||
3993 | (void *, const char *, enum debug_var_kind, bfd_vma); |
||
3994 | static bfd_boolean ieee_start_function (void *, const char *, bfd_boolean); |
||
3995 | static bfd_boolean ieee_function_parameter |
||
3996 | (void *, const char *, enum debug_parm_kind, bfd_vma); |
||
3997 | static bfd_boolean ieee_start_block (void *, bfd_vma); |
||
3998 | static bfd_boolean ieee_end_block (void *, bfd_vma); |
||
3999 | static bfd_boolean ieee_end_function (void *); |
||
4000 | static bfd_boolean ieee_lineno (void *, const char *, unsigned long, bfd_vma); |
||
4001 | |||
4002 | static const struct debug_write_fns ieee_fns = |
||
4003 | { |
||
4004 | ieee_start_compilation_unit, |
||
4005 | ieee_start_source, |
||
4006 | ieee_empty_type, |
||
4007 | ieee_void_type, |
||
4008 | ieee_int_type, |
||
4009 | ieee_float_type, |
||
4010 | ieee_complex_type, |
||
4011 | ieee_bool_type, |
||
4012 | ieee_enum_type, |
||
4013 | ieee_pointer_type, |
||
4014 | ieee_function_type, |
||
4015 | ieee_reference_type, |
||
4016 | ieee_range_type, |
||
4017 | ieee_array_type, |
||
4018 | ieee_set_type, |
||
4019 | ieee_offset_type, |
||
4020 | ieee_method_type, |
||
4021 | ieee_const_type, |
||
4022 | ieee_volatile_type, |
||
4023 | ieee_start_struct_type, |
||
4024 | ieee_struct_field, |
||
4025 | ieee_end_struct_type, |
||
4026 | ieee_start_class_type, |
||
4027 | ieee_class_static_member, |
||
4028 | ieee_class_baseclass, |
||
4029 | ieee_class_start_method, |
||
4030 | ieee_class_method_variant, |
||
4031 | ieee_class_static_method_variant, |
||
4032 | ieee_class_end_method, |
||
4033 | ieee_end_class_type, |
||
4034 | ieee_typedef_type, |
||
4035 | ieee_tag_type, |
||
4036 | ieee_typdef, |
||
4037 | ieee_tag, |
||
4038 | ieee_int_constant, |
||
4039 | ieee_float_constant, |
||
4040 | ieee_typed_constant, |
||
4041 | ieee_variable, |
||
4042 | ieee_start_function, |
||
4043 | ieee_function_parameter, |
||
4044 | ieee_start_block, |
||
4045 | ieee_end_block, |
||
4046 | ieee_end_function, |
||
4047 | ieee_lineno |
||
4048 | }; |
||
4049 | |||
4050 | /* Initialize a buffer to be empty. */ |
||
4051 | |||
4052 | static bfd_boolean |
||
4053 | ieee_init_buffer (struct ieee_handle *info ATTRIBUTE_UNUSED, |
||
4054 | struct ieee_buflist *buflist) |
||
4055 | { |
||
4056 | buflist->head = NULL; |
||
4057 | buflist->tail = NULL; |
||
4058 | return TRUE; |
||
4059 | } |
||
4060 | |||
4061 | /* See whether a buffer list has any data. */ |
||
4062 | |||
4063 | #define ieee_buffer_emptyp(buflist) ((buflist)->head == NULL) |
||
4064 | |||
4065 | /* Change the current buffer to a specified buffer chain. */ |
||
4066 | |||
4067 | static bfd_boolean |
||
4068 | ieee_change_buffer (struct ieee_handle *info, struct ieee_buflist *buflist) |
||
4069 | { |
||
4070 | if (buflist->head == NULL) |
||
4071 | { |
||
4072 | struct ieee_buf *buf; |
||
4073 | |||
4074 | buf = (struct ieee_buf *) xmalloc (sizeof *buf); |
||
4075 | buf->next = NULL; |
||
4076 | buf->c = 0; |
||
4077 | buflist->head = buf; |
||
4078 | buflist->tail = buf; |
||
4079 | } |
||
4080 | |||
4081 | info->current = buflist; |
||
4082 | info->curbuf = buflist->tail; |
||
4083 | |||
4084 | return TRUE; |
||
4085 | } |
||
4086 | |||
4087 | /* Append a buffer chain. */ |
||
4088 | |||
4089 | static bfd_boolean |
||
4090 | ieee_append_buffer (struct ieee_handle *info ATTRIBUTE_UNUSED, |
||
4091 | struct ieee_buflist *mainbuf, |
||
4092 | struct ieee_buflist *newbuf) |
||
4093 | { |
||
4094 | if (newbuf->head != NULL) |
||
4095 | { |
||
4096 | if (mainbuf->head == NULL) |
||
4097 | mainbuf->head = newbuf->head; |
||
4098 | else |
||
4099 | mainbuf->tail->next = newbuf->head; |
||
4100 | mainbuf->tail = newbuf->tail; |
||
4101 | } |
||
4102 | return TRUE; |
||
4103 | } |
||
4104 | |||
4105 | /* Write a byte into the buffer. We use a macro for speed and a |
||
4106 | function for the complex cases. */ |
||
4107 | |||
4108 | #define ieee_write_byte(info, b) \ |
||
4109 | ((info)->curbuf->c < IEEE_BUFSIZE \ |
||
4110 | ? ((info)->curbuf->buf[(info)->curbuf->c++] = (b), TRUE) \ |
||
4111 | : ieee_real_write_byte ((info), (b))) |
||
4112 | |||
4113 | static bfd_boolean |
||
4114 | ieee_real_write_byte (struct ieee_handle *info, int b) |
||
4115 | { |
||
4116 | if (info->curbuf->c >= IEEE_BUFSIZE) |
||
4117 | { |
||
4118 | struct ieee_buf *n; |
||
4119 | |||
4120 | n = (struct ieee_buf *) xmalloc (sizeof *n); |
||
4121 | n->next = NULL; |
||
4122 | n->c = 0; |
||
4123 | if (info->current->head == NULL) |
||
4124 | info->current->head = n; |
||
4125 | else |
||
4126 | info->current->tail->next = n; |
||
4127 | info->current->tail = n; |
||
4128 | info->curbuf = n; |
||
4129 | } |
||
4130 | |||
4131 | info->curbuf->buf[info->curbuf->c] = b; |
||
4132 | ++info->curbuf->c; |
||
4133 | |||
4134 | return TRUE; |
||
4135 | } |
||
4136 | |||
4137 | /* Write out two bytes. */ |
||
4138 | |||
4139 | static bfd_boolean |
||
4140 | ieee_write_2bytes (struct ieee_handle *info, int i) |
||
4141 | { |
||
4142 | return (ieee_write_byte (info, i >> 8) |
||
4143 | && ieee_write_byte (info, i & 0xff)); |
||
4144 | } |
||
4145 | |||
4146 | /* Write out an integer. */ |
||
4147 | |||
4148 | static bfd_boolean |
||
4149 | ieee_write_number (struct ieee_handle *info, bfd_vma v) |
||
4150 | { |
||
4151 | bfd_vma t; |
||
4152 | bfd_byte ab[20]; |
||
4153 | bfd_byte *p; |
||
4154 | unsigned int c; |
||
4155 | |||
4156 | if (v <= (bfd_vma) ieee_number_end_enum) |
||
4157 | return ieee_write_byte (info, (int) v); |
||
4158 | |||
4159 | t = v; |
||
4160 | p = ab + sizeof ab; |
||
4161 | while (t != 0) |
||
4162 | { |
||
4163 | *--p = t & 0xff; |
||
4164 | t >>= 8; |
||
4165 | } |
||
4166 | c = (ab + 20) - p; |
||
4167 | |||
4168 | if (c > (unsigned int) (ieee_number_repeat_end_enum |
||
4169 | - ieee_number_repeat_start_enum)) |
||
4170 | { |
||
4171 | fprintf (stderr, _("IEEE numeric overflow: 0x")); |
||
4172 | fprintf_vma (stderr, v); |
||
4173 | fprintf (stderr, "\n"); |
||
4174 | return FALSE; |
||
4175 | } |
||
4176 | |||
4177 | if (! ieee_write_byte (info, (int) ieee_number_repeat_start_enum + c)) |
||
4178 | return FALSE; |
||
4179 | for (; c > 0; --c, ++p) |
||
4180 | { |
||
4181 | if (! ieee_write_byte (info, *p)) |
||
4182 | return FALSE; |
||
4183 | } |
||
4184 | |||
4185 | return TRUE; |
||
4186 | } |
||
4187 | |||
4188 | /* Write out a string. */ |
||
4189 | |||
4190 | static bfd_boolean |
||
4191 | ieee_write_id (struct ieee_handle *info, const char *s) |
||
4192 | { |
||
4193 | unsigned int len; |
||
4194 | |||
4195 | len = strlen (s); |
||
4196 | if (len <= 0x7f) |
||
4197 | { |
||
4198 | if (! ieee_write_byte (info, len)) |
||
4199 | return FALSE; |
||
4200 | } |
||
4201 | else if (len <= 0xff) |
||
4202 | { |
||
4203 | if (! ieee_write_byte (info, (int) ieee_extension_length_1_enum) |
||
4204 | || ! ieee_write_byte (info, len)) |
||
4205 | return FALSE; |
||
4206 | } |
||
4207 | else if (len <= 0xffff) |
||
4208 | { |
||
4209 | if (! ieee_write_byte (info, (int) ieee_extension_length_2_enum) |
||
4210 | || ! ieee_write_2bytes (info, len)) |
||
4211 | return FALSE; |
||
4212 | } |
||
4213 | else |
||
4214 | { |
||
4215 | fprintf (stderr, _("IEEE string length overflow: %u\n"), len); |
||
4216 | return FALSE; |
||
4217 | } |
||
4218 | |||
4219 | for (; *s != '\0'; s++) |
||
4220 | if (! ieee_write_byte (info, *s)) |
||
4221 | return FALSE; |
||
4222 | |||
4223 | return TRUE; |
||
4224 | } |
||
4225 | |||
4226 | /* Write out an ASN record. */ |
||
4227 | |||
4228 | static bfd_boolean |
||
4229 | ieee_write_asn (struct ieee_handle *info, unsigned int indx, bfd_vma val) |
||
4230 | { |
||
4231 | return (ieee_write_2bytes (info, (int) ieee_asn_record_enum) |
||
4232 | && ieee_write_number (info, indx) |
||
4233 | && ieee_write_number (info, val)); |
||
4234 | } |
||
4235 | |||
4236 | /* Write out an ATN65 record. */ |
||
4237 | |||
4238 | static bfd_boolean |
||
4239 | ieee_write_atn65 (struct ieee_handle *info, unsigned int indx, const char *s) |
||
4240 | { |
||
4241 | return (ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
4242 | && ieee_write_number (info, indx) |
||
4243 | && ieee_write_number (info, 0) |
||
4244 | && ieee_write_number (info, 65) |
||
4245 | && ieee_write_id (info, s)); |
||
4246 | } |
||
4247 | |||
4248 | /* Push a type index onto the type stack. */ |
||
4249 | |||
4250 | static bfd_boolean |
||
4251 | ieee_push_type (struct ieee_handle *info, unsigned int indx, |
||
4252 | unsigned int size, bfd_boolean unsignedp, bfd_boolean localp) |
||
4253 | { |
||
4254 | struct ieee_type_stack *ts; |
||
4255 | |||
4256 | ts = (struct ieee_type_stack *) xmalloc (sizeof *ts); |
||
4257 | memset (ts, 0, sizeof *ts); |
||
4258 | |||
4259 | ts->type.indx = indx; |
||
4260 | ts->type.size = size; |
||
4261 | ts->type.unsignedp = unsignedp; |
||
4262 | ts->type.localp = localp; |
||
4263 | |||
4264 | ts->next = info->type_stack; |
||
4265 | info->type_stack = ts; |
||
4266 | |||
4267 | return TRUE; |
||
4268 | } |
||
4269 | |||
4270 | /* Pop a type index off the type stack. */ |
||
4271 | |||
4272 | static unsigned int |
||
4273 | ieee_pop_type (struct ieee_handle *info) |
||
4274 | { |
||
4275 | return ieee_pop_type_used (info, TRUE); |
||
4276 | } |
||
4277 | |||
4278 | /* Pop an unused type index off the type stack. */ |
||
4279 | |||
4280 | static void |
||
4281 | ieee_pop_unused_type (struct ieee_handle *info) |
||
4282 | { |
||
4283 | (void) ieee_pop_type_used (info, FALSE); |
||
4284 | } |
||
4285 | |||
4286 | /* Pop a used or unused type index off the type stack. */ |
||
4287 | |||
4288 | static unsigned int |
||
4289 | ieee_pop_type_used (struct ieee_handle *info, bfd_boolean used) |
||
4290 | { |
||
4291 | struct ieee_type_stack *ts; |
||
4292 | unsigned int ret; |
||
4293 | |||
4294 | ts = info->type_stack; |
||
4295 | assert (ts != NULL); |
||
4296 | |||
4297 | /* If this is a function type, and we need it, we need to append the |
||
4298 | actual definition to the typedef block now. */ |
||
4299 | if (used && ! ieee_buffer_emptyp (&ts->type.fndef)) |
||
4300 | { |
||
4301 | struct ieee_buflist *buflist; |
||
4302 | |||
4303 | if (ts->type.localp) |
||
4304 | { |
||
4305 | /* Make sure we have started the types block. */ |
||
4306 | if (ieee_buffer_emptyp (&info->types)) |
||
4307 | { |
||
4308 | if (! ieee_change_buffer (info, &info->types) |
||
4309 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4310 | || ! ieee_write_byte (info, 1) |
||
4311 | || ! ieee_write_number (info, 0) |
||
4312 | || ! ieee_write_id (info, info->modname)) |
||
4313 | return FALSE; |
||
4314 | } |
||
4315 | buflist = &info->types; |
||
4316 | } |
||
4317 | else |
||
4318 | { |
||
4319 | /* Make sure we started the global type block. */ |
||
4320 | if (ieee_buffer_emptyp (&info->global_types)) |
||
4321 | { |
||
4322 | if (! ieee_change_buffer (info, &info->global_types) |
||
4323 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4324 | || ! ieee_write_byte (info, 2) |
||
4325 | || ! ieee_write_number (info, 0) |
||
4326 | || ! ieee_write_id (info, "")) |
||
4327 | return FALSE; |
||
4328 | } |
||
4329 | buflist = &info->global_types; |
||
4330 | } |
||
4331 | |||
4332 | if (! ieee_append_buffer (info, buflist, &ts->type.fndef)) |
||
4333 | return FALSE; |
||
4334 | } |
||
4335 | |||
4336 | ret = ts->type.indx; |
||
4337 | info->type_stack = ts->next; |
||
4338 | free (ts); |
||
4339 | return ret; |
||
4340 | } |
||
4341 | |||
4342 | /* Add a range of bytes included in the current compilation unit. */ |
||
4343 | |||
4344 | static bfd_boolean |
||
4345 | ieee_add_range (struct ieee_handle *info, bfd_boolean global, bfd_vma low, |
||
4346 | bfd_vma high) |
||
4347 | { |
||
4348 | struct ieee_range **plist, *r, **pr; |
||
4349 | |||
4350 | if (low == (bfd_vma) -1 || high == (bfd_vma) -1 || low == high) |
||
4351 | return TRUE; |
||
4352 | |||
4353 | if (global) |
||
4354 | plist = &info->global_ranges; |
||
4355 | else |
||
4356 | plist = &info->ranges; |
||
4357 | |||
4358 | for (r = *plist; r != NULL; r = r->next) |
||
4359 | { |
||
4360 | if (high >= r->low && low <= r->high) |
||
4361 | { |
||
4362 | /* The new range overlaps r. */ |
||
4363 | if (low < r->low) |
||
4364 | r->low = low; |
||
4365 | if (high > r->high) |
||
4366 | r->high = high; |
||
4367 | pr = &r->next; |
||
4368 | while (*pr != NULL && (*pr)->low <= r->high) |
||
4369 | { |
||
4370 | struct ieee_range *n; |
||
4371 | |||
4372 | if ((*pr)->high > r->high) |
||
4373 | r->high = (*pr)->high; |
||
4374 | n = (*pr)->next; |
||
4375 | free (*pr); |
||
4376 | *pr = n; |
||
4377 | } |
||
4378 | return TRUE; |
||
4379 | } |
||
4380 | } |
||
4381 | |||
4382 | r = (struct ieee_range *) xmalloc (sizeof *r); |
||
4383 | memset (r, 0, sizeof *r); |
||
4384 | |||
4385 | r->low = low; |
||
4386 | r->high = high; |
||
4387 | |||
4388 | /* Store the ranges sorted by address. */ |
||
4389 | for (pr = plist; *pr != NULL; pr = &(*pr)->next) |
||
4390 | if ((*pr)->low > high) |
||
4391 | break; |
||
4392 | r->next = *pr; |
||
4393 | *pr = r; |
||
4394 | |||
4395 | return TRUE; |
||
4396 | } |
||
4397 | |||
4398 | /* Start a new range for which we only have the low address. */ |
||
4399 | |||
4400 | static bfd_boolean |
||
4401 | ieee_start_range (struct ieee_handle *info, bfd_vma low) |
||
4402 | { |
||
4403 | struct ieee_range *r; |
||
4404 | |||
4405 | r = (struct ieee_range *) xmalloc (sizeof *r); |
||
4406 | memset (r, 0, sizeof *r); |
||
4407 | r->low = low; |
||
4408 | r->next = info->pending_ranges; |
||
4409 | info->pending_ranges = r; |
||
4410 | return TRUE; |
||
4411 | } |
||
4412 | |||
4413 | /* Finish a range started by ieee_start_range. */ |
||
4414 | |||
4415 | static bfd_boolean |
||
4416 | ieee_end_range (struct ieee_handle *info, bfd_vma high) |
||
4417 | { |
||
4418 | struct ieee_range *r; |
||
4419 | bfd_vma low; |
||
4420 | |||
4421 | assert (info->pending_ranges != NULL); |
||
4422 | r = info->pending_ranges; |
||
4423 | low = r->low; |
||
4424 | info->pending_ranges = r->next; |
||
4425 | free (r); |
||
4426 | return ieee_add_range (info, FALSE, low, high); |
||
4427 | } |
||
4428 | |||
4429 | /* Start defining a type. */ |
||
4430 | |||
4431 | static bfd_boolean |
||
4432 | ieee_define_type (struct ieee_handle *info, unsigned int size, |
||
4433 | bfd_boolean unsignedp, bfd_boolean localp) |
||
4434 | { |
||
4435 | return ieee_define_named_type (info, (const char *) NULL, |
||
4436 | (unsigned int) -1, size, unsignedp, |
||
4437 | localp, (struct ieee_buflist *) NULL); |
||
4438 | } |
||
4439 | |||
4440 | /* Start defining a named type. */ |
||
4441 | |||
4442 | static bfd_boolean |
||
4443 | ieee_define_named_type (struct ieee_handle *info, const char *name, |
||
4444 | unsigned int indx, unsigned int size, |
||
4445 | bfd_boolean unsignedp, bfd_boolean localp, |
||
4446 | struct ieee_buflist *buflist) |
||
4447 | { |
||
4448 | unsigned int type_indx; |
||
4449 | unsigned int name_indx; |
||
4450 | |||
4451 | if (indx != (unsigned int) -1) |
||
4452 | type_indx = indx; |
||
4453 | else |
||
4454 | { |
||
4455 | type_indx = info->type_indx; |
||
4456 | ++info->type_indx; |
||
4457 | } |
||
4458 | |||
4459 | name_indx = info->name_indx; |
||
4460 | ++info->name_indx; |
||
4461 | |||
4462 | if (name == NULL) |
||
4463 | name = ""; |
||
4464 | |||
4465 | /* If we were given a buffer, use it; otherwise, use either the |
||
4466 | local or the global type information, and make sure that the type |
||
4467 | block is started. */ |
||
4468 | if (buflist != NULL) |
||
4469 | { |
||
4470 | if (! ieee_change_buffer (info, buflist)) |
||
4471 | return FALSE; |
||
4472 | } |
||
4473 | else if (localp) |
||
4474 | { |
||
4475 | if (! ieee_buffer_emptyp (&info->types)) |
||
4476 | { |
||
4477 | if (! ieee_change_buffer (info, &info->types)) |
||
4478 | return FALSE; |
||
4479 | } |
||
4480 | else |
||
4481 | { |
||
4482 | if (! ieee_change_buffer (info, &info->types) |
||
4483 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4484 | || ! ieee_write_byte (info, 1) |
||
4485 | || ! ieee_write_number (info, 0) |
||
4486 | || ! ieee_write_id (info, info->modname)) |
||
4487 | return FALSE; |
||
4488 | } |
||
4489 | } |
||
4490 | else |
||
4491 | { |
||
4492 | if (! ieee_buffer_emptyp (&info->global_types)) |
||
4493 | { |
||
4494 | if (! ieee_change_buffer (info, &info->global_types)) |
||
4495 | return FALSE; |
||
4496 | } |
||
4497 | else |
||
4498 | { |
||
4499 | if (! ieee_change_buffer (info, &info->global_types) |
||
4500 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4501 | || ! ieee_write_byte (info, 2) |
||
4502 | || ! ieee_write_number (info, 0) |
||
4503 | || ! ieee_write_id (info, "")) |
||
4504 | return FALSE; |
||
4505 | } |
||
4506 | } |
||
4507 | |||
4508 | /* Push the new type on the type stack, write out an NN record, and |
||
4509 | write out the start of a TY record. The caller will then finish |
||
4510 | the TY record. */ |
||
4511 | if (! ieee_push_type (info, type_indx, size, unsignedp, localp)) |
||
4512 | return FALSE; |
||
4513 | |||
4514 | return (ieee_write_byte (info, (int) ieee_nn_record) |
||
4515 | && ieee_write_number (info, name_indx) |
||
4516 | && ieee_write_id (info, name) |
||
4517 | && ieee_write_byte (info, (int) ieee_ty_record_enum) |
||
4518 | && ieee_write_number (info, type_indx) |
||
4519 | && ieee_write_byte (info, 0xce) |
||
4520 | && ieee_write_number (info, name_indx)); |
||
4521 | } |
||
4522 | |||
4523 | /* Get an entry to the list of modified versions of a type. */ |
||
4524 | |||
4525 | static struct ieee_modified_type * |
||
4526 | ieee_get_modified_info (struct ieee_handle *info, unsigned int indx) |
||
4527 | { |
||
4528 | if (indx >= info->modified_alloc) |
||
4529 | { |
||
4530 | unsigned int nalloc; |
||
4531 | |||
4532 | nalloc = info->modified_alloc; |
||
4533 | if (nalloc == 0) |
||
4534 | nalloc = 16; |
||
4535 | while (indx >= nalloc) |
||
4536 | nalloc *= 2; |
||
4537 | info->modified = ((struct ieee_modified_type *) |
||
4538 | xrealloc (info->modified, |
||
4539 | nalloc * sizeof *info->modified)); |
||
4540 | memset (info->modified + info->modified_alloc, 0, |
||
4541 | (nalloc - info->modified_alloc) * sizeof *info->modified); |
||
4542 | info->modified_alloc = nalloc; |
||
4543 | } |
||
4544 | |||
4545 | return info->modified + indx; |
||
4546 | } |
||
4547 | |||
4548 | /* Routines for the hash table mapping names to types. */ |
||
4549 | |||
4550 | /* Initialize an entry in the hash table. */ |
||
4551 | |||
4552 | static struct bfd_hash_entry * |
||
4553 | ieee_name_type_newfunc (struct bfd_hash_entry *entry, |
||
4554 | struct bfd_hash_table *table, const char *string) |
||
4555 | { |
||
4556 | struct ieee_name_type_hash_entry *ret = |
||
4557 | (struct ieee_name_type_hash_entry *) entry; |
||
4558 | |||
4559 | /* Allocate the structure if it has not already been allocated by a |
||
4560 | subclass. */ |
||
4561 | if (ret == NULL) |
||
4562 | ret = ((struct ieee_name_type_hash_entry *) |
||
4563 | bfd_hash_allocate (table, sizeof *ret)); |
||
4564 | if (ret == NULL) |
||
4565 | return NULL; |
||
4566 | |||
4567 | /* Call the allocation method of the superclass. */ |
||
4568 | ret = ((struct ieee_name_type_hash_entry *) |
||
4569 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); |
||
4570 | if (ret) |
||
4571 | { |
||
4572 | /* Set local fields. */ |
||
4573 | ret->types = NULL; |
||
4574 | } |
||
4575 | |||
4576 | return (struct bfd_hash_entry *) ret; |
||
4577 | } |
||
4578 | |||
4579 | /* Look up an entry in the hash table. */ |
||
4580 | |||
4581 | #define ieee_name_type_hash_lookup(table, string, create, copy) \ |
||
4582 | ((struct ieee_name_type_hash_entry *) \ |
||
4583 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) |
||
4584 | |||
4585 | /* Traverse the hash table. */ |
||
4586 | |||
4587 | #define ieee_name_type_hash_traverse(table, func, info) \ |
||
4588 | (bfd_hash_traverse \ |
||
4589 | (&(table)->root, \ |
||
4590 | (bfd_boolean (*) (struct bfd_hash_entry *, void *)) (func), \ |
||
4591 | (info))) |
||
4592 | |||
4593 | /* The general routine to write out IEEE debugging information. */ |
||
4594 | |||
4595 | bfd_boolean |
||
4596 | write_ieee_debugging_info (bfd *abfd, void *dhandle) |
||
4597 | { |
||
4598 | struct ieee_handle info; |
||
4599 | asection *s; |
||
4600 | const char *err; |
||
4601 | struct ieee_buf *b; |
||
4602 | |||
4603 | memset (&info, 0, sizeof info); |
||
4604 | info.abfd = abfd; |
||
4605 | info.type_indx = 256; |
||
4606 | info.name_indx = 32; |
||
4607 | |||
4608 | if (!bfd_hash_table_init (&info.typedefs.root, ieee_name_type_newfunc, |
||
4609 | sizeof (struct ieee_name_type_hash_entry)) |
||
4610 | || !bfd_hash_table_init (&info.tags.root, ieee_name_type_newfunc, |
||
4611 | sizeof (struct ieee_name_type_hash_entry))) |
||
4612 | return FALSE; |
||
4613 | |||
4614 | if (! ieee_init_buffer (&info, &info.global_types) |
||
4615 | || ! ieee_init_buffer (&info, &info.data) |
||
4616 | || ! ieee_init_buffer (&info, &info.types) |
||
4617 | || ! ieee_init_buffer (&info, &info.vars) |
||
4618 | || ! ieee_init_buffer (&info, &info.cxx) |
||
4619 | || ! ieee_init_buffer (&info, &info.linenos) |
||
4620 | || ! ieee_init_buffer (&info, &info.fntype) |
||
4621 | || ! ieee_init_buffer (&info, &info.fnargs)) |
||
4622 | return FALSE; |
||
4623 | |||
4624 | if (! debug_write (dhandle, &ieee_fns, (void *) &info)) |
||
4625 | return FALSE; |
||
4626 | |||
4627 | if (info.filename != NULL) |
||
4628 | { |
||
4629 | if (! ieee_finish_compilation_unit (&info)) |
||
4630 | return FALSE; |
||
4631 | } |
||
4632 | |||
4633 | /* Put any undefined tags in the global typedef information. */ |
||
4634 | info.error = FALSE; |
||
4635 | ieee_name_type_hash_traverse (&info.tags, |
||
4636 | ieee_write_undefined_tag, |
||
4637 | (void *) &info); |
||
4638 | if (info.error) |
||
4639 | return FALSE; |
||
4640 | |||
4641 | /* Prepend the global typedef information to the other data. */ |
||
4642 | if (! ieee_buffer_emptyp (&info.global_types)) |
||
4643 | { |
||
4644 | /* The HP debugger seems to have a bug in which it ignores the |
||
4645 | last entry in the global types, so we add a dummy entry. */ |
||
4646 | if (! ieee_change_buffer (&info, &info.global_types) |
||
4647 | || ! ieee_write_byte (&info, (int) ieee_nn_record) |
||
4648 | || ! ieee_write_number (&info, info.name_indx) |
||
4649 | || ! ieee_write_id (&info, "") |
||
4650 | || ! ieee_write_byte (&info, (int) ieee_ty_record_enum) |
||
4651 | || ! ieee_write_number (&info, info.type_indx) |
||
4652 | || ! ieee_write_byte (&info, 0xce) |
||
4653 | || ! ieee_write_number (&info, info.name_indx) |
||
4654 | || ! ieee_write_number (&info, 'P') |
||
4655 | || ! ieee_write_number (&info, (int) builtin_void + 32) |
||
4656 | || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) |
||
4657 | return FALSE; |
||
4658 | |||
4659 | if (! ieee_append_buffer (&info, &info.global_types, &info.data)) |
||
4660 | return FALSE; |
||
4661 | info.data = info.global_types; |
||
4662 | } |
||
4663 | |||
4664 | /* Make sure that we have declare BB11 blocks for each range in the |
||
4665 | file. They are added to info->vars. */ |
||
4666 | info.error = FALSE; |
||
4667 | if (! ieee_init_buffer (&info, &info.vars)) |
||
4668 | return FALSE; |
||
4669 | bfd_map_over_sections (abfd, ieee_add_bb11_blocks, (void *) &info); |
||
4670 | if (info.error) |
||
4671 | return FALSE; |
||
4672 | if (! ieee_buffer_emptyp (&info.vars)) |
||
4673 | { |
||
4674 | if (! ieee_change_buffer (&info, &info.vars) |
||
4675 | || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) |
||
4676 | return FALSE; |
||
4677 | |||
4678 | if (! ieee_append_buffer (&info, &info.data, &info.vars)) |
||
4679 | return FALSE; |
||
4680 | } |
||
4681 | |||
4682 | /* Now all the data is in info.data. Write it out to the BFD. We |
||
4683 | normally would need to worry about whether all the other sections |
||
4684 | are set up yet, but the IEEE backend will handle this particular |
||
4685 | case correctly regardless. */ |
||
4686 | if (ieee_buffer_emptyp (&info.data)) |
||
4687 | { |
||
4688 | /* There is no debugging information. */ |
||
4689 | return TRUE; |
||
4690 | } |
||
4691 | err = NULL; |
||
4692 | s = bfd_make_section_with_flags (abfd, ".debug", |
||
4693 | SEC_DEBUGGING | SEC_HAS_CONTENTS); |
||
4694 | if (s == NULL) |
||
4695 | err = "bfd_make_section"; |
||
4696 | if (err == NULL) |
||
4697 | { |
||
4698 | bfd_size_type size; |
||
4699 | |||
4700 | size = 0; |
||
4701 | for (b = info.data.head; b != NULL; b = b->next) |
||
4702 | size += b->c; |
||
4703 | if (! bfd_set_section_size (abfd, s, size)) |
||
4704 | err = "bfd_set_section_size"; |
||
4705 | } |
||
4706 | if (err == NULL) |
||
4707 | { |
||
4708 | file_ptr offset; |
||
4709 | |||
4710 | offset = 0; |
||
4711 | for (b = info.data.head; b != NULL; b = b->next) |
||
4712 | { |
||
4713 | if (! bfd_set_section_contents (abfd, s, b->buf, offset, b->c)) |
||
4714 | { |
||
4715 | err = "bfd_set_section_contents"; |
||
4716 | break; |
||
4717 | } |
||
4718 | offset += b->c; |
||
4719 | } |
||
4720 | } |
||
4721 | |||
4722 | if (err != NULL) |
||
4723 | { |
||
4724 | fprintf (stderr, "%s: %s: %s\n", bfd_get_filename (abfd), err, |
||
4725 | bfd_errmsg (bfd_get_error ())); |
||
4726 | return FALSE; |
||
4727 | } |
||
4728 | |||
4729 | bfd_hash_table_free (&info.typedefs.root); |
||
4730 | bfd_hash_table_free (&info.tags.root); |
||
4731 | |||
4732 | return TRUE; |
||
4733 | } |
||
4734 | |||
4735 | /* Write out information for an undefined tag. This is called via |
||
4736 | ieee_name_type_hash_traverse. */ |
||
4737 | |||
4738 | static bfd_boolean |
||
4739 | ieee_write_undefined_tag (struct ieee_name_type_hash_entry *h, void *p) |
||
4740 | { |
||
4741 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
4742 | struct ieee_name_type *nt; |
||
4743 | |||
4744 | for (nt = h->types; nt != NULL; nt = nt->next) |
||
4745 | { |
||
4746 | unsigned int name_indx; |
||
4747 | char code; |
||
4748 | |||
4749 | if (nt->kind == DEBUG_KIND_ILLEGAL) |
||
4750 | continue; |
||
4751 | |||
4752 | if (ieee_buffer_emptyp (&info->global_types)) |
||
4753 | { |
||
4754 | if (! ieee_change_buffer (info, &info->global_types) |
||
4755 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4756 | || ! ieee_write_byte (info, 2) |
||
4757 | || ! ieee_write_number (info, 0) |
||
4758 | || ! ieee_write_id (info, "")) |
||
4759 | { |
||
4760 | info->error = TRUE; |
||
4761 | return FALSE; |
||
4762 | } |
||
4763 | } |
||
4764 | else |
||
4765 | { |
||
4766 | if (! ieee_change_buffer (info, &info->global_types)) |
||
4767 | { |
||
4768 | info->error = TRUE; |
||
4769 | return FALSE; |
||
4770 | } |
||
4771 | } |
||
4772 | |||
4773 | name_indx = info->name_indx; |
||
4774 | ++info->name_indx; |
||
4775 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
||
4776 | || ! ieee_write_number (info, name_indx) |
||
4777 | || ! ieee_write_id (info, nt->type.name) |
||
4778 | || ! ieee_write_byte (info, (int) ieee_ty_record_enum) |
||
4779 | || ! ieee_write_number (info, nt->type.indx) |
||
4780 | || ! ieee_write_byte (info, 0xce) |
||
4781 | || ! ieee_write_number (info, name_indx)) |
||
4782 | { |
||
4783 | info->error = TRUE; |
||
4784 | return FALSE; |
||
4785 | } |
||
4786 | |||
4787 | switch (nt->kind) |
||
4788 | { |
||
4789 | default: |
||
4790 | abort (); |
||
4791 | info->error = TRUE; |
||
4792 | return FALSE; |
||
4793 | case DEBUG_KIND_STRUCT: |
||
4794 | case DEBUG_KIND_CLASS: |
||
4795 | code = 'S'; |
||
4796 | break; |
||
4797 | case DEBUG_KIND_UNION: |
||
4798 | case DEBUG_KIND_UNION_CLASS: |
||
4799 | code = 'U'; |
||
4800 | break; |
||
4801 | case DEBUG_KIND_ENUM: |
||
4802 | code = 'E'; |
||
4803 | break; |
||
4804 | } |
||
4805 | if (! ieee_write_number (info, code) |
||
4806 | || ! ieee_write_number (info, 0)) |
||
4807 | { |
||
4808 | info->error = TRUE; |
||
4809 | return FALSE; |
||
4810 | } |
||
4811 | } |
||
4812 | |||
4813 | return TRUE; |
||
4814 | } |
||
4815 | |||
4816 | /* Start writing out information for a compilation unit. */ |
||
4817 | |||
4818 | static bfd_boolean |
||
4819 | ieee_start_compilation_unit (void *p, const char *filename) |
||
4820 | { |
||
4821 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
4822 | const char *modname; |
||
4823 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
||
4824 | const char *backslash; |
||
4825 | #endif |
||
4826 | char *c, *s; |
||
4827 | |||
4828 | if (info->filename != NULL) |
||
4829 | { |
||
4830 | if (! ieee_finish_compilation_unit (info)) |
||
4831 | return FALSE; |
||
4832 | } |
||
4833 | |||
4834 | info->filename = filename; |
||
4835 | modname = strrchr (filename, '/'); |
||
4836 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
||
4837 | /* We could have a mixed forward/back slash case. */ |
||
4838 | backslash = strrchr (filename, '\\'); |
||
4839 | if (modname == NULL || (backslash != NULL && backslash > modname)) |
||
4840 | modname = backslash; |
||
4841 | #endif |
||
4842 | |||
4843 | if (modname != NULL) |
||
4844 | ++modname; |
||
4845 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
||
4846 | else if (filename[0] && filename[1] == ':') |
||
4847 | modname = filename + 2; |
||
4848 | #endif |
||
4849 | else |
||
4850 | modname = filename; |
||
4851 | |||
4852 | c = xstrdup (modname); |
||
4853 | s = strrchr (c, '.'); |
||
4854 | if (s != NULL) |
||
4855 | *s = '\0'; |
||
4856 | info->modname = c; |
||
4857 | |||
4858 | if (! ieee_init_buffer (info, &info->types) |
||
4859 | || ! ieee_init_buffer (info, &info->vars) |
||
4860 | || ! ieee_init_buffer (info, &info->cxx) |
||
4861 | || ! ieee_init_buffer (info, &info->linenos)) |
||
4862 | return FALSE; |
||
4863 | info->ranges = NULL; |
||
4864 | |||
4865 | /* Always include a BB1 and a BB3 block. That is what the output of |
||
4866 | the MRI linker seems to look like. */ |
||
4867 | if (! ieee_change_buffer (info, &info->types) |
||
4868 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4869 | || ! ieee_write_byte (info, 1) |
||
4870 | || ! ieee_write_number (info, 0) |
||
4871 | || ! ieee_write_id (info, info->modname)) |
||
4872 | return FALSE; |
||
4873 | |||
4874 | ++info->name_indx; |
||
4875 | if (! ieee_change_buffer (info, &info->vars) |
||
4876 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4877 | || ! ieee_write_byte (info, 3) |
||
4878 | || ! ieee_write_number (info, 0) |
||
4879 | || ! ieee_write_id (info, info->modname)) |
||
4880 | return FALSE; |
||
4881 | |||
4882 | return TRUE; |
||
4883 | } |
||
4884 | |||
4885 | /* Finish up a compilation unit. */ |
||
4886 | |||
4887 | static bfd_boolean |
||
4888 | ieee_finish_compilation_unit (struct ieee_handle *info) |
||
4889 | { |
||
4890 | struct ieee_range *r; |
||
4891 | |||
4892 | if (! ieee_buffer_emptyp (&info->types)) |
||
4893 | { |
||
4894 | if (! ieee_change_buffer (info, &info->types) |
||
4895 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
||
4896 | return FALSE; |
||
4897 | } |
||
4898 | |||
4899 | if (! ieee_buffer_emptyp (&info->cxx)) |
||
4900 | { |
||
4901 | /* Append any C++ information to the global function and |
||
4902 | variable information. */ |
||
4903 | assert (! ieee_buffer_emptyp (&info->vars)); |
||
4904 | if (! ieee_change_buffer (info, &info->vars)) |
||
4905 | return FALSE; |
||
4906 | |||
4907 | /* We put the pmisc records in a dummy procedure, just as the |
||
4908 | MRI compiler does. */ |
||
4909 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4910 | || ! ieee_write_byte (info, 6) |
||
4911 | || ! ieee_write_number (info, 0) |
||
4912 | || ! ieee_write_id (info, "__XRYCPP") |
||
4913 | || ! ieee_write_number (info, 0) |
||
4914 | || ! ieee_write_number (info, 0) |
||
4915 | || ! ieee_write_number (info, info->highaddr - 1) |
||
4916 | || ! ieee_append_buffer (info, &info->vars, &info->cxx) |
||
4917 | || ! ieee_change_buffer (info, &info->vars) |
||
4918 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
||
4919 | || ! ieee_write_number (info, info->highaddr - 1)) |
||
4920 | return FALSE; |
||
4921 | } |
||
4922 | |||
4923 | if (! ieee_buffer_emptyp (&info->vars)) |
||
4924 | { |
||
4925 | if (! ieee_change_buffer (info, &info->vars) |
||
4926 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
||
4927 | return FALSE; |
||
4928 | } |
||
4929 | |||
4930 | if (info->pending_lineno_filename != NULL) |
||
4931 | { |
||
4932 | /* Force out the pending line number. */ |
||
4933 | if (! ieee_lineno ((void *) info, (const char *) NULL, 0, (bfd_vma) -1)) |
||
4934 | return FALSE; |
||
4935 | } |
||
4936 | if (! ieee_buffer_emptyp (&info->linenos)) |
||
4937 | { |
||
4938 | if (! ieee_change_buffer (info, &info->linenos) |
||
4939 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
||
4940 | return FALSE; |
||
4941 | if (filename_cmp (info->filename, info->lineno_filename) != 0) |
||
4942 | { |
||
4943 | /* We were not in the main file. We just closed the |
||
4944 | included line number block, and now we must close the |
||
4945 | main line number block. */ |
||
4946 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
||
4947 | return FALSE; |
||
4948 | } |
||
4949 | } |
||
4950 | |||
4951 | if (! ieee_append_buffer (info, &info->data, &info->types) |
||
4952 | || ! ieee_append_buffer (info, &info->data, &info->vars) |
||
4953 | || ! ieee_append_buffer (info, &info->data, &info->linenos)) |
||
4954 | return FALSE; |
||
4955 | |||
4956 | /* Build BB10/BB11 blocks based on the ranges we recorded. */ |
||
4957 | if (! ieee_change_buffer (info, &info->data)) |
||
4958 | return FALSE; |
||
4959 | |||
4960 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
4961 | || ! ieee_write_byte (info, 10) |
||
4962 | || ! ieee_write_number (info, 0) |
||
4963 | || ! ieee_write_id (info, info->modname) |
||
4964 | || ! ieee_write_id (info, "") |
||
4965 | || ! ieee_write_number (info, 0) |
||
4966 | || ! ieee_write_id (info, "GNU objcopy")) |
||
4967 | return FALSE; |
||
4968 | |||
4969 | for (r = info->ranges; r != NULL; r = r->next) |
||
4970 | { |
||
4971 | bfd_vma low, high; |
||
4972 | asection *s; |
||
4973 | int kind; |
||
4974 | |||
4975 | low = r->low; |
||
4976 | high = r->high; |
||
4977 | |||
4978 | /* Find the section corresponding to this range. */ |
||
4979 | for (s = info->abfd->sections; s != NULL; s = s->next) |
||
4980 | { |
||
4981 | if (bfd_get_section_vma (info->abfd, s) <= low |
||
4982 | && high <= (bfd_get_section_vma (info->abfd, s) |
||
4983 | + bfd_section_size (info->abfd, s))) |
||
4984 | break; |
||
4985 | } |
||
4986 | |||
4987 | if (s == NULL) |
||
4988 | { |
||
4989 | /* Just ignore this range. */ |
||
4990 | continue; |
||
4991 | } |
||
4992 | |||
4993 | /* Coalesce ranges if it seems reasonable. */ |
||
4994 | while (r->next != NULL |
||
4995 | && high + 0x1000 >= r->next->low |
||
4996 | && (r->next->high |
||
4997 | <= (bfd_get_section_vma (info->abfd, s) |
||
4998 | + bfd_section_size (info->abfd, s)))) |
||
4999 | { |
||
5000 | r = r->next; |
||
5001 | high = r->high; |
||
5002 | } |
||
5003 | |||
5004 | if ((s->flags & SEC_CODE) != 0) |
||
5005 | kind = 1; |
||
5006 | else if ((s->flags & SEC_READONLY) != 0) |
||
5007 | kind = 3; |
||
5008 | else |
||
5009 | kind = 2; |
||
5010 | |||
5011 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
5012 | || ! ieee_write_byte (info, 11) |
||
5013 | || ! ieee_write_number (info, 0) |
||
5014 | || ! ieee_write_id (info, "") |
||
5015 | || ! ieee_write_number (info, kind) |
||
5016 | || ! ieee_write_number (info, s->index + IEEE_SECTION_NUMBER_BASE) |
||
5017 | || ! ieee_write_number (info, low) |
||
5018 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
||
5019 | || ! ieee_write_number (info, high - low)) |
||
5020 | return FALSE; |
||
5021 | |||
5022 | /* Add this range to the list of global ranges. */ |
||
5023 | if (! ieee_add_range (info, TRUE, low, high)) |
||
5024 | return FALSE; |
||
5025 | } |
||
5026 | |||
5027 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
||
5028 | return FALSE; |
||
5029 | |||
5030 | return TRUE; |
||
5031 | } |
||
5032 | |||
5033 | /* Add BB11 blocks describing each range that we have not already |
||
5034 | described. */ |
||
5035 | |||
5036 | static void |
||
5037 | ieee_add_bb11_blocks (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, void *data) |
||
5038 | { |
||
5039 | struct ieee_handle *info = (struct ieee_handle *) data; |
||
5040 | bfd_vma low, high; |
||
5041 | struct ieee_range *r; |
||
5042 | |||
5043 | low = bfd_get_section_vma (abfd, sec); |
||
5044 | high = low + bfd_section_size (abfd, sec); |
||
5045 | |||
5046 | /* Find the first range at or after this section. The ranges are |
||
5047 | sorted by address. */ |
||
5048 | for (r = info->global_ranges; r != NULL; r = r->next) |
||
5049 | if (r->high > low) |
||
5050 | break; |
||
5051 | |||
5052 | while (low < high) |
||
5053 | { |
||
5054 | if (r == NULL || r->low >= high) |
||
5055 | { |
||
5056 | if (! ieee_add_bb11 (info, sec, low, high)) |
||
5057 | info->error = TRUE; |
||
5058 | return; |
||
5059 | } |
||
5060 | |||
5061 | if (low < r->low |
||
5062 | && r->low - low > 0x100) |
||
5063 | { |
||
5064 | if (! ieee_add_bb11 (info, sec, low, r->low)) |
||
5065 | { |
||
5066 | info->error = TRUE; |
||
5067 | return; |
||
5068 | } |
||
5069 | } |
||
5070 | low = r->high; |
||
5071 | |||
5072 | r = r->next; |
||
5073 | } |
||
5074 | } |
||
5075 | |||
5076 | /* Add a single BB11 block for a range. We add it to info->vars. */ |
||
5077 | |||
5078 | static bfd_boolean |
||
5079 | ieee_add_bb11 (struct ieee_handle *info, asection *sec, bfd_vma low, |
||
5080 | bfd_vma high) |
||
5081 | { |
||
5082 | int kind; |
||
5083 | |||
5084 | if (! ieee_buffer_emptyp (&info->vars)) |
||
5085 | { |
||
5086 | if (! ieee_change_buffer (info, &info->vars)) |
||
5087 | return FALSE; |
||
5088 | } |
||
5089 | else |
||
5090 | { |
||
5091 | const char *filename, *modname; |
||
5092 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
||
5093 | const char *backslash; |
||
5094 | #endif |
||
5095 | char *c, *s; |
||
5096 | |||
5097 | /* Start the enclosing BB10 block. */ |
||
5098 | filename = bfd_get_filename (info->abfd); |
||
5099 | modname = strrchr (filename, '/'); |
||
5100 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
||
5101 | backslash = strrchr (filename, '\\'); |
||
5102 | if (modname == NULL || (backslash != NULL && backslash > modname)) |
||
5103 | modname = backslash; |
||
5104 | #endif |
||
5105 | |||
5106 | if (modname != NULL) |
||
5107 | ++modname; |
||
5108 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
||
5109 | else if (filename[0] && filename[1] == ':') |
||
5110 | modname = filename + 2; |
||
5111 | #endif |
||
5112 | else |
||
5113 | modname = filename; |
||
5114 | |||
5115 | c = xstrdup (modname); |
||
5116 | s = strrchr (c, '.'); |
||
5117 | if (s != NULL) |
||
5118 | *s = '\0'; |
||
5119 | |||
5120 | if (! ieee_change_buffer (info, &info->vars) |
||
5121 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
5122 | || ! ieee_write_byte (info, 10) |
||
5123 | || ! ieee_write_number (info, 0) |
||
5124 | || ! ieee_write_id (info, c) |
||
5125 | || ! ieee_write_id (info, "") |
||
5126 | || ! ieee_write_number (info, 0) |
||
5127 | || ! ieee_write_id (info, "GNU objcopy")) |
||
5128 | { |
||
5129 | free (c); |
||
5130 | return FALSE; |
||
5131 | } |
||
5132 | |||
5133 | free (c); |
||
5134 | } |
||
5135 | |||
5136 | if ((sec->flags & SEC_CODE) != 0) |
||
5137 | kind = 1; |
||
5138 | else if ((sec->flags & SEC_READONLY) != 0) |
||
5139 | kind = 3; |
||
5140 | else |
||
5141 | kind = 2; |
||
5142 | |||
5143 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
5144 | || ! ieee_write_byte (info, 11) |
||
5145 | || ! ieee_write_number (info, 0) |
||
5146 | || ! ieee_write_id (info, "") |
||
5147 | || ! ieee_write_number (info, kind) |
||
5148 | || ! ieee_write_number (info, sec->index + IEEE_SECTION_NUMBER_BASE) |
||
5149 | || ! ieee_write_number (info, low) |
||
5150 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
||
5151 | || ! ieee_write_number (info, high - low)) |
||
5152 | return FALSE; |
||
5153 | |||
5154 | return TRUE; |
||
5155 | } |
||
5156 | |||
5157 | /* Start recording information from a particular source file. This is |
||
5158 | used to record which file defined which types, variables, etc. It |
||
5159 | is not used for line numbers, since the lineno entry point passes |
||
5160 | down the file name anyhow. IEEE debugging information doesn't seem |
||
5161 | to store this information anywhere. */ |
||
5162 | |||
5163 | static bfd_boolean |
||
5164 | ieee_start_source (void *p ATTRIBUTE_UNUSED, |
||
5165 | const char *filename ATTRIBUTE_UNUSED) |
||
5166 | { |
||
5167 | return TRUE; |
||
5168 | } |
||
5169 | |||
5170 | /* Make an empty type. */ |
||
5171 | |||
5172 | static bfd_boolean |
||
5173 | ieee_empty_type (void *p) |
||
5174 | { |
||
5175 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5176 | |||
5177 | return ieee_push_type (info, (int) builtin_unknown, 0, FALSE, FALSE); |
||
5178 | } |
||
5179 | |||
5180 | /* Make a void type. */ |
||
5181 | |||
5182 | static bfd_boolean |
||
5183 | ieee_void_type (void *p) |
||
5184 | { |
||
5185 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5186 | |||
5187 | return ieee_push_type (info, (int) builtin_void, 0, FALSE, FALSE); |
||
5188 | } |
||
5189 | |||
5190 | /* Make an integer type. */ |
||
5191 | |||
5192 | static bfd_boolean |
||
5193 | ieee_int_type (void *p, unsigned int size, bfd_boolean unsignedp) |
||
5194 | { |
||
5195 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5196 | unsigned int indx; |
||
5197 | |||
5198 | switch (size) |
||
5199 | { |
||
5200 | case 1: |
||
5201 | indx = (int) builtin_signed_char; |
||
5202 | break; |
||
5203 | case 2: |
||
5204 | indx = (int) builtin_signed_short_int; |
||
5205 | break; |
||
5206 | case 4: |
||
5207 | indx = (int) builtin_signed_long; |
||
5208 | break; |
||
5209 | case 8: |
||
5210 | indx = (int) builtin_signed_long_long; |
||
5211 | break; |
||
5212 | default: |
||
5213 | fprintf (stderr, _("IEEE unsupported integer type size %u\n"), size); |
||
5214 | return FALSE; |
||
5215 | } |
||
5216 | |||
5217 | if (unsignedp) |
||
5218 | ++indx; |
||
5219 | |||
5220 | return ieee_push_type (info, indx, size, unsignedp, FALSE); |
||
5221 | } |
||
5222 | |||
5223 | /* Make a floating point type. */ |
||
5224 | |||
5225 | static bfd_boolean |
||
5226 | ieee_float_type (void *p, unsigned int size) |
||
5227 | { |
||
5228 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5229 | unsigned int indx; |
||
5230 | |||
5231 | switch (size) |
||
5232 | { |
||
5233 | case 4: |
||
5234 | indx = (int) builtin_float; |
||
5235 | break; |
||
5236 | case 8: |
||
5237 | indx = (int) builtin_double; |
||
5238 | break; |
||
5239 | case 12: |
||
5240 | /* FIXME: This size really depends upon the processor. */ |
||
5241 | indx = (int) builtin_long_double; |
||
5242 | break; |
||
5243 | case 16: |
||
5244 | indx = (int) builtin_long_long_double; |
||
5245 | break; |
||
5246 | default: |
||
5247 | fprintf (stderr, _("IEEE unsupported float type size %u\n"), size); |
||
5248 | return FALSE; |
||
5249 | } |
||
5250 | |||
5251 | return ieee_push_type (info, indx, size, FALSE, FALSE); |
||
5252 | } |
||
5253 | |||
5254 | /* Make a complex type. */ |
||
5255 | |||
5256 | static bfd_boolean |
||
5257 | ieee_complex_type (void *p, unsigned int size) |
||
5258 | { |
||
5259 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5260 | char code; |
||
5261 | |||
5262 | switch (size) |
||
5263 | { |
||
5264 | case 4: |
||
5265 | if (info->complex_float_index != 0) |
||
5266 | return ieee_push_type (info, info->complex_float_index, size * 2, |
||
5267 | FALSE, FALSE); |
||
5268 | code = 'c'; |
||
5269 | break; |
||
5270 | case 12: |
||
5271 | case 16: |
||
5272 | /* These cases can be output by gcc -gstabs. Outputting the |
||
5273 | wrong type is better than crashing. */ |
||
5274 | case 8: |
||
5275 | if (info->complex_double_index != 0) |
||
5276 | return ieee_push_type (info, info->complex_double_index, size * 2, |
||
5277 | FALSE, FALSE); |
||
5278 | code = 'd'; |
||
5279 | break; |
||
5280 | default: |
||
5281 | fprintf (stderr, _("IEEE unsupported complex type size %u\n"), size); |
||
5282 | return FALSE; |
||
5283 | } |
||
5284 | |||
5285 | /* FIXME: I don't know what the string is for. */ |
||
5286 | if (! ieee_define_type (info, size * 2, FALSE, FALSE) |
||
5287 | || ! ieee_write_number (info, code) |
||
5288 | || ! ieee_write_id (info, "")) |
||
5289 | return FALSE; |
||
5290 | |||
5291 | if (size == 4) |
||
5292 | info->complex_float_index = info->type_stack->type.indx; |
||
5293 | else |
||
5294 | info->complex_double_index = info->type_stack->type.indx; |
||
5295 | |||
5296 | return TRUE; |
||
5297 | } |
||
5298 | |||
5299 | /* Make a boolean type. IEEE doesn't support these, so we just make |
||
5300 | an integer type instead. */ |
||
5301 | |||
5302 | static bfd_boolean |
||
5303 | ieee_bool_type (void *p, unsigned int size) |
||
5304 | { |
||
5305 | return ieee_int_type (p, size, TRUE); |
||
5306 | } |
||
5307 | |||
5308 | /* Make an enumeration. */ |
||
5309 | |||
5310 | static bfd_boolean |
||
5311 | ieee_enum_type (void *p, const char *tag, const char **names, |
||
5312 | bfd_signed_vma *vals) |
||
5313 | { |
||
5314 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5315 | struct ieee_defined_enum *e; |
||
5316 | bfd_boolean localp, simple; |
||
5317 | unsigned int indx; |
||
5318 | int i = 0; |
||
5319 | |||
5320 | localp = FALSE; |
||
5321 | indx = (unsigned int) -1; |
||
5322 | for (e = info->enums; e != NULL; e = e->next) |
||
5323 | { |
||
5324 | if (tag == NULL) |
||
5325 | { |
||
5326 | if (e->tag != NULL) |
||
5327 | continue; |
||
5328 | } |
||
5329 | else |
||
5330 | { |
||
5331 | if (e->tag == NULL |
||
5332 | || tag[0] != e->tag[0] |
||
5333 | || strcmp (tag, e->tag) != 0) |
||
5334 | continue; |
||
5335 | } |
||
5336 | |||
5337 | if (! e->defined) |
||
5338 | { |
||
5339 | /* This enum tag has been seen but not defined. */ |
||
5340 | indx = e->indx; |
||
5341 | break; |
||
5342 | } |
||
5343 | |||
5344 | if (names != NULL && e->names != NULL) |
||
5345 | { |
||
5346 | for (i = 0; names[i] != NULL && e->names[i] != NULL; i++) |
||
5347 | { |
||
5348 | if (names[i][0] != e->names[i][0] |
||
5349 | || vals[i] != e->vals[i] |
||
5350 | || strcmp (names[i], e->names[i]) != 0) |
||
5351 | break; |
||
5352 | } |
||
5353 | } |
||
5354 | |||
5355 | if ((names == NULL && e->names == NULL) |
||
5356 | || (names != NULL |
||
5357 | && e->names != NULL |
||
5358 | && names[i] == NULL |
||
5359 | && e->names[i] == NULL)) |
||
5360 | { |
||
5361 | /* We've seen this enum before. */ |
||
5362 | return ieee_push_type (info, e->indx, 0, TRUE, FALSE); |
||
5363 | } |
||
5364 | |||
5365 | if (tag != NULL) |
||
5366 | { |
||
5367 | /* We've already seen an enum of the same name, so we must make |
||
5368 | sure to output this one locally. */ |
||
5369 | localp = TRUE; |
||
5370 | break; |
||
5371 | } |
||
5372 | } |
||
5373 | |||
5374 | /* If this is a simple enumeration, in which the values start at 0 |
||
5375 | and always increment by 1, we can use type E. Otherwise we must |
||
5376 | use type N. */ |
||
5377 | |||
5378 | simple = TRUE; |
||
5379 | if (names != NULL) |
||
5380 | { |
||
5381 | for (i = 0; names[i] != NULL; i++) |
||
5382 | { |
||
5383 | if (vals[i] != i) |
||
5384 | { |
||
5385 | simple = FALSE; |
||
5386 | break; |
||
5387 | } |
||
5388 | } |
||
5389 | } |
||
5390 | |||
5391 | if (! ieee_define_named_type (info, tag, indx, 0, TRUE, localp, |
||
5392 | (struct ieee_buflist *) NULL) |
||
5393 | || ! ieee_write_number (info, simple ? 'E' : 'N')) |
||
5394 | return FALSE; |
||
5395 | if (simple) |
||
5396 | { |
||
5397 | /* FIXME: This is supposed to be the enumeration size, but we |
||
5398 | don't store that. */ |
||
5399 | if (! ieee_write_number (info, 4)) |
||
5400 | return FALSE; |
||
5401 | } |
||
5402 | if (names != NULL) |
||
5403 | { |
||
5404 | for (i = 0; names[i] != NULL; i++) |
||
5405 | { |
||
5406 | if (! ieee_write_id (info, names[i])) |
||
5407 | return FALSE; |
||
5408 | if (! simple) |
||
5409 | { |
||
5410 | if (! ieee_write_number (info, vals[i])) |
||
5411 | return FALSE; |
||
5412 | } |
||
5413 | } |
||
5414 | } |
||
5415 | |||
5416 | if (! localp) |
||
5417 | { |
||
5418 | if (indx == (unsigned int) -1) |
||
5419 | { |
||
5420 | e = (struct ieee_defined_enum *) xmalloc (sizeof *e); |
||
5421 | memset (e, 0, sizeof *e); |
||
5422 | e->indx = info->type_stack->type.indx; |
||
5423 | e->tag = tag; |
||
5424 | |||
5425 | e->next = info->enums; |
||
5426 | info->enums = e; |
||
5427 | } |
||
5428 | |||
5429 | e->names = names; |
||
5430 | e->vals = vals; |
||
5431 | e->defined = TRUE; |
||
5432 | } |
||
5433 | |||
5434 | return TRUE; |
||
5435 | } |
||
5436 | |||
5437 | /* Make a pointer type. */ |
||
5438 | |||
5439 | static bfd_boolean |
||
5440 | ieee_pointer_type (void *p) |
||
5441 | { |
||
5442 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5443 | bfd_boolean localp; |
||
5444 | unsigned int indx; |
||
5445 | struct ieee_modified_type *m = NULL; |
||
5446 | |||
5447 | localp = info->type_stack->type.localp; |
||
5448 | indx = ieee_pop_type (info); |
||
5449 | |||
5450 | /* A pointer to a simple builtin type can be obtained by adding 32. |
||
5451 | FIXME: Will this be a short pointer, and will that matter? */ |
||
5452 | if (indx < 32) |
||
5453 | return ieee_push_type (info, indx + 32, 0, TRUE, FALSE); |
||
5454 | |||
5455 | if (! localp) |
||
5456 | { |
||
5457 | m = ieee_get_modified_info ((struct ieee_handle *) p, indx); |
||
5458 | if (m == NULL) |
||
5459 | return FALSE; |
||
5460 | |||
5461 | /* FIXME: The size should depend upon the architecture. */ |
||
5462 | if (m->pointer > 0) |
||
5463 | return ieee_push_type (info, m->pointer, 4, TRUE, FALSE); |
||
5464 | } |
||
5465 | |||
5466 | if (! ieee_define_type (info, 4, TRUE, localp) |
||
5467 | || ! ieee_write_number (info, 'P') |
||
5468 | || ! ieee_write_number (info, indx)) |
||
5469 | return FALSE; |
||
5470 | |||
5471 | if (! localp) |
||
5472 | m->pointer = info->type_stack->type.indx; |
||
5473 | |||
5474 | return TRUE; |
||
5475 | } |
||
5476 | |||
5477 | /* Make a function type. This will be called for a method, but we |
||
5478 | don't want to actually add it to the type table in that case. We |
||
5479 | handle this by defining the type in a private buffer, and only |
||
5480 | adding that buffer to the typedef block if we are going to use it. */ |
||
5481 | |||
5482 | static bfd_boolean |
||
5483 | ieee_function_type (void *p, int argcount, bfd_boolean varargs) |
||
5484 | { |
||
5485 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5486 | bfd_boolean localp; |
||
5487 | unsigned int *args = NULL; |
||
5488 | int i; |
||
5489 | unsigned int retindx; |
||
5490 | struct ieee_buflist fndef; |
||
5491 | struct ieee_modified_type *m; |
||
5492 | |||
5493 | localp = FALSE; |
||
5494 | |||
5495 | if (argcount > 0) |
||
5496 | { |
||
5497 | args = (unsigned int *) xmalloc (argcount * sizeof *args); |
||
5498 | for (i = argcount - 1; i >= 0; i--) |
||
5499 | { |
||
5500 | if (info->type_stack->type.localp) |
||
5501 | localp = TRUE; |
||
5502 | args[i] = ieee_pop_type (info); |
||
5503 | } |
||
5504 | } |
||
5505 | else if (argcount < 0) |
||
5506 | varargs = FALSE; |
||
5507 | |||
5508 | if (info->type_stack->type.localp) |
||
5509 | localp = TRUE; |
||
5510 | retindx = ieee_pop_type (info); |
||
5511 | |||
5512 | m = NULL; |
||
5513 | if (argcount < 0 && ! localp) |
||
5514 | { |
||
5515 | m = ieee_get_modified_info ((struct ieee_handle *) p, retindx); |
||
5516 | if (m == NULL) |
||
5517 | return FALSE; |
||
5518 | |||
5519 | if (m->function > 0) |
||
5520 | return ieee_push_type (info, m->function, 0, TRUE, FALSE); |
||
5521 | } |
||
5522 | |||
5523 | /* An attribute of 0x41 means that the frame and push mask are |
||
5524 | unknown. */ |
||
5525 | if (! ieee_init_buffer (info, &fndef) |
||
5526 | || ! ieee_define_named_type (info, (const char *) NULL, |
||
5527 | (unsigned int) -1, 0, TRUE, localp, |
||
5528 | &fndef) |
||
5529 | || ! ieee_write_number (info, 'x') |
||
5530 | || ! ieee_write_number (info, 0x41) |
||
5531 | || ! ieee_write_number (info, 0) |
||
5532 | || ! ieee_write_number (info, 0) |
||
5533 | || ! ieee_write_number (info, retindx) |
||
5534 | || ! ieee_write_number (info, (bfd_vma) argcount + (varargs ? 1 : 0))) |
||
5535 | { |
||
5536 | free (args); |
||
5537 | return FALSE; |
||
5538 | } |
||
5539 | if (argcount > 0) |
||
5540 | { |
||
5541 | for (i = 0; i < argcount; i++) |
||
5542 | if (! ieee_write_number (info, args[i])) |
||
5543 | return FALSE; |
||
5544 | free (args); |
||
5545 | } |
||
5546 | if (varargs) |
||
5547 | { |
||
5548 | /* A varargs function is represented by writing out the last |
||
5549 | argument as type void *, although this makes little sense. */ |
||
5550 | if (! ieee_write_number (info, (bfd_vma) builtin_void + 32)) |
||
5551 | return FALSE; |
||
5552 | } |
||
5553 | |||
5554 | if (! ieee_write_number (info, 0)) |
||
5555 | return FALSE; |
||
5556 | |||
5557 | /* We wrote the information into fndef, in case we don't need it. |
||
5558 | It will be appended to info->types by ieee_pop_type. */ |
||
5559 | info->type_stack->type.fndef = fndef; |
||
5560 | |||
5561 | if (m != NULL) |
||
5562 | m->function = info->type_stack->type.indx; |
||
5563 | |||
5564 | return TRUE; |
||
5565 | } |
||
5566 | |||
5567 | /* Make a reference type. */ |
||
5568 | |||
5569 | static bfd_boolean |
||
5570 | ieee_reference_type (void *p) |
||
5571 | { |
||
5572 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5573 | |||
5574 | /* IEEE appears to record a normal pointer type, and then use a |
||
5575 | pmisc record to indicate that it is really a reference. */ |
||
5576 | |||
5577 | if (! ieee_pointer_type (p)) |
||
5578 | return FALSE; |
||
5579 | info->type_stack->type.referencep = TRUE; |
||
5580 | return TRUE; |
||
5581 | } |
||
5582 | |||
5583 | /* Make a range type. */ |
||
5584 | |||
5585 | static bfd_boolean |
||
5586 | ieee_range_type (void *p, bfd_signed_vma low, bfd_signed_vma high) |
||
5587 | { |
||
5588 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5589 | unsigned int size; |
||
5590 | bfd_boolean unsignedp, localp; |
||
5591 | |||
5592 | size = info->type_stack->type.size; |
||
5593 | unsignedp = info->type_stack->type.unsignedp; |
||
5594 | localp = info->type_stack->type.localp; |
||
5595 | ieee_pop_unused_type (info); |
||
5596 | return (ieee_define_type (info, size, unsignedp, localp) |
||
5597 | && ieee_write_number (info, 'R') |
||
5598 | && ieee_write_number (info, (bfd_vma) low) |
||
5599 | && ieee_write_number (info, (bfd_vma) high) |
||
5600 | && ieee_write_number (info, unsignedp ? 0 : 1) |
||
5601 | && ieee_write_number (info, size)); |
||
5602 | } |
||
5603 | |||
5604 | /* Make an array type. */ |
||
5605 | |||
5606 | static bfd_boolean |
||
5607 | ieee_array_type (void *p, bfd_signed_vma low, bfd_signed_vma high, |
||
5608 | bfd_boolean stringp ATTRIBUTE_UNUSED) |
||
5609 | { |
||
5610 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5611 | unsigned int eleindx; |
||
5612 | bfd_boolean localp; |
||
5613 | unsigned int size; |
||
5614 | struct ieee_modified_type *m = NULL; |
||
5615 | struct ieee_modified_array_type *a; |
||
5616 | |||
5617 | /* IEEE does not store the range, so we just ignore it. */ |
||
5618 | ieee_pop_unused_type (info); |
||
5619 | localp = info->type_stack->type.localp; |
||
5620 | size = info->type_stack->type.size; |
||
5621 | eleindx = ieee_pop_type (info); |
||
5622 | |||
5623 | /* If we don't know the range, treat the size as exactly one |
||
5624 | element. */ |
||
5625 | if (low < high) |
||
5626 | size *= (high - low) + 1; |
||
5627 | |||
5628 | if (! localp) |
||
5629 | { |
||
5630 | m = ieee_get_modified_info (info, eleindx); |
||
5631 | if (m == NULL) |
||
5632 | return FALSE; |
||
5633 | |||
5634 | for (a = m->arrays; a != NULL; a = a->next) |
||
5635 | { |
||
5636 | if (a->low == low && a->high == high) |
||
5637 | return ieee_push_type (info, a->indx, size, FALSE, FALSE); |
||
5638 | } |
||
5639 | } |
||
5640 | |||
5641 | if (! ieee_define_type (info, size, FALSE, localp) |
||
5642 | || ! ieee_write_number (info, low == 0 ? 'Z' : 'C') |
||
5643 | || ! ieee_write_number (info, eleindx)) |
||
5644 | return FALSE; |
||
5645 | if (low != 0) |
||
5646 | { |
||
5647 | if (! ieee_write_number (info, low)) |
||
5648 | return FALSE; |
||
5649 | } |
||
5650 | |||
5651 | if (! ieee_write_number (info, high + 1)) |
||
5652 | return FALSE; |
||
5653 | |||
5654 | if (! localp) |
||
5655 | { |
||
5656 | a = (struct ieee_modified_array_type *) xmalloc (sizeof *a); |
||
5657 | memset (a, 0, sizeof *a); |
||
5658 | |||
5659 | a->indx = info->type_stack->type.indx; |
||
5660 | a->low = low; |
||
5661 | a->high = high; |
||
5662 | |||
5663 | a->next = m->arrays; |
||
5664 | m->arrays = a; |
||
5665 | } |
||
5666 | |||
5667 | return TRUE; |
||
5668 | } |
||
5669 | |||
5670 | /* Make a set type. */ |
||
5671 | |||
5672 | static bfd_boolean |
||
5673 | ieee_set_type (void *p, bfd_boolean bitstringp ATTRIBUTE_UNUSED) |
||
5674 | { |
||
5675 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5676 | bfd_boolean localp; |
||
5677 | unsigned int eleindx; |
||
5678 | |||
5679 | localp = info->type_stack->type.localp; |
||
5680 | eleindx = ieee_pop_type (info); |
||
5681 | |||
5682 | /* FIXME: We don't know the size, so we just use 4. */ |
||
5683 | |||
5684 | return (ieee_define_type (info, 0, TRUE, localp) |
||
5685 | && ieee_write_number (info, 's') |
||
5686 | && ieee_write_number (info, 4) |
||
5687 | && ieee_write_number (info, eleindx)); |
||
5688 | } |
||
5689 | |||
5690 | /* Make an offset type. */ |
||
5691 | |||
5692 | static bfd_boolean |
||
5693 | ieee_offset_type (void *p) |
||
5694 | { |
||
5695 | /* FIXME: The MRI C++ compiler does not appear to generate any |
||
5696 | useful type information about an offset type. It just records a |
||
5697 | pointer to member as an integer. The MRI/HP IEEE spec does |
||
5698 | describe a pmisc record which can be used for a pointer to |
||
5699 | member. Unfortunately, it does not describe the target type, |
||
5700 | which seems pretty important. I'm going to punt this for now. */ |
||
5701 | |||
5702 | return ieee_int_type (p, 4, TRUE); |
||
5703 | } |
||
5704 | |||
5705 | /* Make a method type. */ |
||
5706 | |||
5707 | static bfd_boolean |
||
5708 | ieee_method_type (void *p, bfd_boolean domain, int argcount, |
||
5709 | bfd_boolean varargs) |
||
5710 | { |
||
5711 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5712 | |||
5713 | /* FIXME: The MRI/HP IEEE spec defines a pmisc record to use for a |
||
5714 | method, but the definition is incomplete. We just output an 'x' |
||
5715 | type. */ |
||
5716 | |||
5717 | if (domain) |
||
5718 | ieee_pop_unused_type (info); |
||
5719 | |||
5720 | return ieee_function_type (p, argcount, varargs); |
||
5721 | } |
||
5722 | |||
5723 | /* Make a const qualified type. */ |
||
5724 | |||
5725 | static bfd_boolean |
||
5726 | ieee_const_type (void *p) |
||
5727 | { |
||
5728 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5729 | unsigned int size; |
||
5730 | bfd_boolean unsignedp, localp; |
||
5731 | unsigned int indx; |
||
5732 | struct ieee_modified_type *m = NULL; |
||
5733 | |||
5734 | size = info->type_stack->type.size; |
||
5735 | unsignedp = info->type_stack->type.unsignedp; |
||
5736 | localp = info->type_stack->type.localp; |
||
5737 | indx = ieee_pop_type (info); |
||
5738 | |||
5739 | if (! localp) |
||
5740 | { |
||
5741 | m = ieee_get_modified_info (info, indx); |
||
5742 | if (m == NULL) |
||
5743 | return FALSE; |
||
5744 | |||
5745 | if (m->const_qualified > 0) |
||
5746 | return ieee_push_type (info, m->const_qualified, size, unsignedp, |
||
5747 | FALSE); |
||
5748 | } |
||
5749 | |||
5750 | if (! ieee_define_type (info, size, unsignedp, localp) |
||
5751 | || ! ieee_write_number (info, 'n') |
||
5752 | || ! ieee_write_number (info, 1) |
||
5753 | || ! ieee_write_number (info, indx)) |
||
5754 | return FALSE; |
||
5755 | |||
5756 | if (! localp) |
||
5757 | m->const_qualified = info->type_stack->type.indx; |
||
5758 | |||
5759 | return TRUE; |
||
5760 | } |
||
5761 | |||
5762 | /* Make a volatile qualified type. */ |
||
5763 | |||
5764 | static bfd_boolean |
||
5765 | ieee_volatile_type (void *p) |
||
5766 | { |
||
5767 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5768 | unsigned int size; |
||
5769 | bfd_boolean unsignedp, localp; |
||
5770 | unsigned int indx; |
||
5771 | struct ieee_modified_type *m = NULL; |
||
5772 | |||
5773 | size = info->type_stack->type.size; |
||
5774 | unsignedp = info->type_stack->type.unsignedp; |
||
5775 | localp = info->type_stack->type.localp; |
||
5776 | indx = ieee_pop_type (info); |
||
5777 | |||
5778 | if (! localp) |
||
5779 | { |
||
5780 | m = ieee_get_modified_info (info, indx); |
||
5781 | if (m == NULL) |
||
5782 | return FALSE; |
||
5783 | |||
5784 | if (m->volatile_qualified > 0) |
||
5785 | return ieee_push_type (info, m->volatile_qualified, size, unsignedp, |
||
5786 | FALSE); |
||
5787 | } |
||
5788 | |||
5789 | if (! ieee_define_type (info, size, unsignedp, localp) |
||
5790 | || ! ieee_write_number (info, 'n') |
||
5791 | || ! ieee_write_number (info, 2) |
||
5792 | || ! ieee_write_number (info, indx)) |
||
5793 | return FALSE; |
||
5794 | |||
5795 | if (! localp) |
||
5796 | m->volatile_qualified = info->type_stack->type.indx; |
||
5797 | |||
5798 | return TRUE; |
||
5799 | } |
||
5800 | |||
5801 | /* Convert an enum debug_visibility into a CXXFLAGS value. */ |
||
5802 | |||
5803 | static unsigned int |
||
5804 | ieee_vis_to_flags (enum debug_visibility visibility) |
||
5805 | { |
||
5806 | switch (visibility) |
||
5807 | { |
||
5808 | default: |
||
5809 | abort (); |
||
5810 | case DEBUG_VISIBILITY_PUBLIC: |
||
5811 | return CXXFLAGS_VISIBILITY_PUBLIC; |
||
5812 | case DEBUG_VISIBILITY_PRIVATE: |
||
5813 | return CXXFLAGS_VISIBILITY_PRIVATE; |
||
5814 | case DEBUG_VISIBILITY_PROTECTED: |
||
5815 | return CXXFLAGS_VISIBILITY_PROTECTED; |
||
5816 | } |
||
5817 | /*NOTREACHED*/ |
||
5818 | } |
||
5819 | |||
5820 | /* Start defining a struct type. We build it in the strdef field on |
||
5821 | the stack, to avoid confusing type definitions required by the |
||
5822 | fields with the struct type itself. */ |
||
5823 | |||
5824 | static bfd_boolean |
||
5825 | ieee_start_struct_type (void *p, const char *tag, unsigned int id, |
||
5826 | bfd_boolean structp, unsigned int size) |
||
5827 | { |
||
5828 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5829 | bfd_boolean localp, ignorep; |
||
5830 | bfd_boolean copy; |
||
5831 | char ab[20]; |
||
5832 | const char *look; |
||
5833 | struct ieee_name_type_hash_entry *h; |
||
5834 | struct ieee_name_type *nt, *ntlook; |
||
5835 | struct ieee_buflist strdef; |
||
5836 | |||
5837 | localp = FALSE; |
||
5838 | ignorep = FALSE; |
||
5839 | |||
5840 | /* We need to create a tag for internal use even if we don't want |
||
5841 | one for external use. This will let us refer to an anonymous |
||
5842 | struct. */ |
||
5843 | if (tag != NULL) |
||
5844 | { |
||
5845 | look = tag; |
||
5846 | copy = FALSE; |
||
5847 | } |
||
5848 | else |
||
5849 | { |
||
5850 | sprintf (ab, "__anon%u", id); |
||
5851 | look = ab; |
||
5852 | copy = TRUE; |
||
5853 | } |
||
5854 | |||
5855 | /* If we already have references to the tag, we must use the |
||
5856 | existing type index. */ |
||
5857 | h = ieee_name_type_hash_lookup (&info->tags, look, TRUE, copy); |
||
5858 | if (h == NULL) |
||
5859 | return FALSE; |
||
5860 | |||
5861 | nt = NULL; |
||
5862 | for (ntlook = h->types; ntlook != NULL; ntlook = ntlook->next) |
||
5863 | { |
||
5864 | if (ntlook->id == id) |
||
5865 | nt = ntlook; |
||
5866 | else if (! ntlook->type.localp) |
||
5867 | { |
||
5868 | /* We are creating a duplicate definition of a globally |
||
5869 | defined tag. Force it to be local to avoid |
||
5870 | confusion. */ |
||
5871 | localp = TRUE; |
||
5872 | } |
||
5873 | } |
||
5874 | |||
5875 | if (nt != NULL) |
||
5876 | { |
||
5877 | assert (localp == nt->type.localp); |
||
5878 | if (nt->kind == DEBUG_KIND_ILLEGAL && ! localp) |
||
5879 | { |
||
5880 | /* We've already seen a global definition of the type. |
||
5881 | Ignore this new definition. */ |
||
5882 | ignorep = TRUE; |
||
5883 | } |
||
5884 | } |
||
5885 | else |
||
5886 | { |
||
5887 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
||
5888 | memset (nt, 0, sizeof *nt); |
||
5889 | nt->id = id; |
||
5890 | nt->type.name = h->root.string; |
||
5891 | nt->next = h->types; |
||
5892 | h->types = nt; |
||
5893 | nt->type.indx = info->type_indx; |
||
5894 | ++info->type_indx; |
||
5895 | } |
||
5896 | |||
5897 | nt->kind = DEBUG_KIND_ILLEGAL; |
||
5898 | |||
5899 | if (! ieee_init_buffer (info, &strdef) |
||
5900 | || ! ieee_define_named_type (info, tag, nt->type.indx, size, TRUE, |
||
5901 | localp, &strdef) |
||
5902 | || ! ieee_write_number (info, structp ? 'S' : 'U') |
||
5903 | || ! ieee_write_number (info, size)) |
||
5904 | return FALSE; |
||
5905 | |||
5906 | if (! ignorep) |
||
5907 | { |
||
5908 | const char *hold; |
||
5909 | |||
5910 | /* We never want nt->type.name to be NULL. We want the rest of |
||
5911 | the type to be the object set up on the type stack; it will |
||
5912 | have a NULL name if tag is NULL. */ |
||
5913 | hold = nt->type.name; |
||
5914 | nt->type = info->type_stack->type; |
||
5915 | nt->type.name = hold; |
||
5916 | } |
||
5917 | |||
5918 | info->type_stack->type.name = tag; |
||
5919 | info->type_stack->type.strdef = strdef; |
||
5920 | info->type_stack->type.ignorep = ignorep; |
||
5921 | |||
5922 | return TRUE; |
||
5923 | } |
||
5924 | |||
5925 | /* Add a field to a struct. */ |
||
5926 | |||
5927 | static bfd_boolean |
||
5928 | ieee_struct_field (void *p, const char *name, bfd_vma bitpos, bfd_vma bitsize, |
||
5929 | enum debug_visibility visibility) |
||
5930 | { |
||
5931 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
5932 | unsigned int size; |
||
5933 | bfd_boolean unsignedp; |
||
5934 | bfd_boolean referencep; |
||
5935 | bfd_boolean localp; |
||
5936 | unsigned int indx; |
||
5937 | bfd_vma offset; |
||
5938 | |||
5939 | assert (info->type_stack != NULL |
||
5940 | && info->type_stack->next != NULL |
||
5941 | && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); |
||
5942 | |||
5943 | /* If we are ignoring this struct definition, just pop and ignore |
||
5944 | the type. */ |
||
5945 | if (info->type_stack->next->type.ignorep) |
||
5946 | { |
||
5947 | ieee_pop_unused_type (info); |
||
5948 | return TRUE; |
||
5949 | } |
||
5950 | |||
5951 | size = info->type_stack->type.size; |
||
5952 | unsignedp = info->type_stack->type.unsignedp; |
||
5953 | referencep = info->type_stack->type.referencep; |
||
5954 | localp = info->type_stack->type.localp; |
||
5955 | indx = ieee_pop_type (info); |
||
5956 | |||
5957 | if (localp) |
||
5958 | info->type_stack->type.localp = TRUE; |
||
5959 | |||
5960 | if (info->type_stack->type.classdef != NULL) |
||
5961 | { |
||
5962 | unsigned int flags; |
||
5963 | unsigned int nindx; |
||
5964 | |||
5965 | /* This is a class. We must add a description of this field to |
||
5966 | the class records we are building. */ |
||
5967 | |||
5968 | flags = ieee_vis_to_flags (visibility); |
||
5969 | nindx = info->type_stack->type.classdef->indx; |
||
5970 | if (! ieee_change_buffer (info, |
||
5971 | &info->type_stack->type.classdef->pmiscbuf) |
||
5972 | || ! ieee_write_asn (info, nindx, 'd') |
||
5973 | || ! ieee_write_asn (info, nindx, flags) |
||
5974 | || ! ieee_write_atn65 (info, nindx, name) |
||
5975 | || ! ieee_write_atn65 (info, nindx, name)) |
||
5976 | return FALSE; |
||
5977 | info->type_stack->type.classdef->pmisccount += 4; |
||
5978 | |||
5979 | if (referencep) |
||
5980 | { |
||
5981 | /* We need to output a record recording that this field is |
||
5982 | really of reference type. We put this on the refs field |
||
5983 | of classdef, so that it can be appended to the C++ |
||
5984 | records after the class is defined. */ |
||
5985 | |||
5986 | nindx = info->name_indx; |
||
5987 | ++info->name_indx; |
||
5988 | |||
5989 | if (! ieee_change_buffer (info, |
||
5990 | &info->type_stack->type.classdef->refs) |
||
5991 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
||
5992 | || ! ieee_write_number (info, nindx) |
||
5993 | || ! ieee_write_id (info, "") |
||
5994 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
5995 | || ! ieee_write_number (info, nindx) |
||
5996 | || ! ieee_write_number (info, 0) |
||
5997 | || ! ieee_write_number (info, 62) |
||
5998 | || ! ieee_write_number (info, 80) |
||
5999 | || ! ieee_write_number (info, 4) |
||
6000 | || ! ieee_write_asn (info, nindx, 'R') |
||
6001 | || ! ieee_write_asn (info, nindx, 3) |
||
6002 | || ! ieee_write_atn65 (info, nindx, info->type_stack->type.name) |
||
6003 | || ! ieee_write_atn65 (info, nindx, name)) |
||
6004 | return FALSE; |
||
6005 | } |
||
6006 | } |
||
6007 | |||
6008 | /* If the bitsize doesn't match the expected size, we need to output |
||
6009 | a bitfield type. */ |
||
6010 | if (size == 0 || bitsize == 0 || bitsize == size * 8) |
||
6011 | offset = bitpos / 8; |
||
6012 | else |
||
6013 | { |
||
6014 | if (! ieee_define_type (info, 0, unsignedp, |
||
6015 | info->type_stack->type.localp) |
||
6016 | || ! ieee_write_number (info, 'g') |
||
6017 | || ! ieee_write_number (info, unsignedp ? 0 : 1) |
||
6018 | || ! ieee_write_number (info, bitsize) |
||
6019 | || ! ieee_write_number (info, indx)) |
||
6020 | return FALSE; |
||
6021 | indx = ieee_pop_type (info); |
||
6022 | offset = bitpos; |
||
6023 | } |
||
6024 | |||
6025 | /* Switch to the struct we are building in order to output this |
||
6026 | field definition. */ |
||
6027 | return (ieee_change_buffer (info, &info->type_stack->type.strdef) |
||
6028 | && ieee_write_id (info, name) |
||
6029 | && ieee_write_number (info, indx) |
||
6030 | && ieee_write_number (info, offset)); |
||
6031 | } |
||
6032 | |||
6033 | /* Finish up a struct type. */ |
||
6034 | |||
6035 | static bfd_boolean |
||
6036 | ieee_end_struct_type (void *p) |
||
6037 | { |
||
6038 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6039 | struct ieee_buflist *pb; |
||
6040 | |||
6041 | assert (info->type_stack != NULL |
||
6042 | && ! ieee_buffer_emptyp (&info->type_stack->type.strdef)); |
||
6043 | |||
6044 | /* If we were ignoring this struct definition because it was a |
||
6045 | duplicate definition, just through away whatever bytes we have |
||
6046 | accumulated. Leave the type on the stack. */ |
||
6047 | if (info->type_stack->type.ignorep) |
||
6048 | return TRUE; |
||
6049 | |||
6050 | /* If this is not a duplicate definition of this tag, then localp |
||
6051 | will be FALSE, and we can put it in the global type block. |
||
6052 | FIXME: We should avoid outputting duplicate definitions which are |
||
6053 | the same. */ |
||
6054 | if (! info->type_stack->type.localp) |
||
6055 | { |
||
6056 | /* Make sure we have started the global type block. */ |
||
6057 | if (ieee_buffer_emptyp (&info->global_types)) |
||
6058 | { |
||
6059 | if (! ieee_change_buffer (info, &info->global_types) |
||
6060 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
6061 | || ! ieee_write_byte (info, 2) |
||
6062 | || ! ieee_write_number (info, 0) |
||
6063 | || ! ieee_write_id (info, "")) |
||
6064 | return FALSE; |
||
6065 | } |
||
6066 | pb = &info->global_types; |
||
6067 | } |
||
6068 | else |
||
6069 | { |
||
6070 | /* Make sure we have started the types block. */ |
||
6071 | if (ieee_buffer_emptyp (&info->types)) |
||
6072 | { |
||
6073 | if (! ieee_change_buffer (info, &info->types) |
||
6074 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
6075 | || ! ieee_write_byte (info, 1) |
||
6076 | || ! ieee_write_number (info, 0) |
||
6077 | || ! ieee_write_id (info, info->modname)) |
||
6078 | return FALSE; |
||
6079 | } |
||
6080 | pb = &info->types; |
||
6081 | } |
||
6082 | |||
6083 | /* Append the struct definition to the types. */ |
||
6084 | if (! ieee_append_buffer (info, pb, &info->type_stack->type.strdef) |
||
6085 | || ! ieee_init_buffer (info, &info->type_stack->type.strdef)) |
||
6086 | return FALSE; |
||
6087 | |||
6088 | /* Leave the struct on the type stack. */ |
||
6089 | |||
6090 | return TRUE; |
||
6091 | } |
||
6092 | |||
6093 | /* Start a class type. */ |
||
6094 | |||
6095 | static bfd_boolean |
||
6096 | ieee_start_class_type (void *p, const char *tag, unsigned int id, |
||
6097 | bfd_boolean structp, unsigned int size, |
||
6098 | bfd_boolean vptr, bfd_boolean ownvptr) |
||
6099 | { |
||
6100 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6101 | const char *vclass; |
||
6102 | struct ieee_buflist pmiscbuf; |
||
6103 | unsigned int indx; |
||
6104 | struct ieee_type_class *classdef; |
||
6105 | |||
6106 | /* A C++ class is output as a C++ struct along with a set of pmisc |
||
6107 | records describing the class. */ |
||
6108 | |||
6109 | /* We need to have a name so that we can associate the struct and |
||
6110 | the class. */ |
||
6111 | if (tag == NULL) |
||
6112 | { |
||
6113 | char *t; |
||
6114 | |||
6115 | t = (char *) xmalloc (20); |
||
6116 | sprintf (t, "__anon%u", id); |
||
6117 | tag = t; |
||
6118 | } |
||
6119 | |||
6120 | /* We can't write out the virtual table information until we have |
||
6121 | finished the class, because we don't know the virtual table size. |
||
6122 | We get the size from the largest voffset we see. */ |
||
6123 | vclass = NULL; |
||
6124 | if (vptr && ! ownvptr) |
||
6125 | { |
||
6126 | vclass = info->type_stack->type.name; |
||
6127 | assert (vclass != NULL); |
||
6128 | /* We don't call ieee_pop_unused_type, since the class should |
||
6129 | get defined. */ |
||
6130 | (void) ieee_pop_type (info); |
||
6131 | } |
||
6132 | |||
6133 | if (! ieee_start_struct_type (p, tag, id, structp, size)) |
||
6134 | return FALSE; |
||
6135 | |||
6136 | indx = info->name_indx; |
||
6137 | ++info->name_indx; |
||
6138 | |||
6139 | /* We write out pmisc records into the classdef field. We will |
||
6140 | write out the pmisc start after we know the number of records we |
||
6141 | need. */ |
||
6142 | if (! ieee_init_buffer (info, &pmiscbuf) |
||
6143 | || ! ieee_change_buffer (info, &pmiscbuf) |
||
6144 | || ! ieee_write_asn (info, indx, 'T') |
||
6145 | || ! ieee_write_asn (info, indx, structp ? 'o' : 'u') |
||
6146 | || ! ieee_write_atn65 (info, indx, tag)) |
||
6147 | return FALSE; |
||
6148 | |||
6149 | classdef = (struct ieee_type_class *) xmalloc (sizeof *classdef); |
||
6150 | memset (classdef, 0, sizeof *classdef); |
||
6151 | |||
6152 | classdef->indx = indx; |
||
6153 | classdef->pmiscbuf = pmiscbuf; |
||
6154 | classdef->pmisccount = 3; |
||
6155 | classdef->vclass = vclass; |
||
6156 | classdef->ownvptr = ownvptr; |
||
6157 | |||
6158 | info->type_stack->type.classdef = classdef; |
||
6159 | |||
6160 | return TRUE; |
||
6161 | } |
||
6162 | |||
6163 | /* Add a static member to a class. */ |
||
6164 | |||
6165 | static bfd_boolean |
||
6166 | ieee_class_static_member (void *p, const char *name, const char *physname, |
||
6167 | enum debug_visibility visibility) |
||
6168 | { |
||
6169 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6170 | unsigned int flags; |
||
6171 | unsigned int nindx; |
||
6172 | |||
6173 | /* We don't care about the type. Hopefully there will be a call to |
||
6174 | ieee_variable declaring the physical name and the type, since |
||
6175 | that is where an IEEE consumer must get the type. */ |
||
6176 | ieee_pop_unused_type (info); |
||
6177 | |||
6178 | assert (info->type_stack != NULL |
||
6179 | && info->type_stack->type.classdef != NULL); |
||
6180 | |||
6181 | flags = ieee_vis_to_flags (visibility); |
||
6182 | flags |= CXXFLAGS_STATIC; |
||
6183 | |||
6184 | nindx = info->type_stack->type.classdef->indx; |
||
6185 | |||
6186 | if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) |
||
6187 | || ! ieee_write_asn (info, nindx, 'd') |
||
6188 | || ! ieee_write_asn (info, nindx, flags) |
||
6189 | || ! ieee_write_atn65 (info, nindx, name) |
||
6190 | || ! ieee_write_atn65 (info, nindx, physname)) |
||
6191 | return FALSE; |
||
6192 | info->type_stack->type.classdef->pmisccount += 4; |
||
6193 | |||
6194 | return TRUE; |
||
6195 | } |
||
6196 | |||
6197 | /* Add a base class to a class. */ |
||
6198 | |||
6199 | static bfd_boolean |
||
6200 | ieee_class_baseclass (void *p, bfd_vma bitpos, bfd_boolean is_virtual, |
||
6201 | enum debug_visibility visibility) |
||
6202 | { |
||
6203 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6204 | const char *bname; |
||
6205 | bfd_boolean localp; |
||
6206 | unsigned int bindx; |
||
6207 | char *fname; |
||
6208 | unsigned int flags; |
||
6209 | unsigned int nindx; |
||
6210 | |||
6211 | assert (info->type_stack != NULL |
||
6212 | && info->type_stack->type.name != NULL |
||
6213 | && info->type_stack->next != NULL |
||
6214 | && info->type_stack->next->type.classdef != NULL |
||
6215 | && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); |
||
6216 | |||
6217 | bname = info->type_stack->type.name; |
||
6218 | localp = info->type_stack->type.localp; |
||
6219 | bindx = ieee_pop_type (info); |
||
6220 | |||
6221 | /* We are currently defining both a struct and a class. We must |
||
6222 | write out a field definition in the struct which holds the base |
||
6223 | class. The stabs debugging reader will create a field named |
||
6224 | _vb$CLASS for a virtual base class, so we just use that. FIXME: |
||
6225 | we should not depend upon a detail of stabs debugging. */ |
||
6226 | if (is_virtual) |
||
6227 | { |
||
6228 | fname = (char *) xmalloc (strlen (bname) + sizeof "_vb$"); |
||
6229 | sprintf (fname, "_vb$%s", bname); |
||
6230 | flags = BASEFLAGS_VIRTUAL; |
||
6231 | } |
||
6232 | else |
||
6233 | { |
||
6234 | if (localp) |
||
6235 | info->type_stack->type.localp = TRUE; |
||
6236 | |||
6237 | fname = (char *) xmalloc (strlen (bname) + sizeof "_b$"); |
||
6238 | sprintf (fname, "_b$%s", bname); |
||
6239 | |||
6240 | if (! ieee_change_buffer (info, &info->type_stack->type.strdef) |
||
6241 | || ! ieee_write_id (info, fname) |
||
6242 | || ! ieee_write_number (info, bindx) |
||
6243 | || ! ieee_write_number (info, bitpos / 8)) |
||
6244 | { |
||
6245 | free (fname); |
||
6246 | return FALSE; |
||
6247 | } |
||
6248 | flags = 0; |
||
6249 | } |
||
6250 | |||
6251 | if (visibility == DEBUG_VISIBILITY_PRIVATE) |
||
6252 | flags |= BASEFLAGS_PRIVATE; |
||
6253 | |||
6254 | nindx = info->type_stack->type.classdef->indx; |
||
6255 | |||
6256 | if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) |
||
6257 | || ! ieee_write_asn (info, nindx, 'b') |
||
6258 | || ! ieee_write_asn (info, nindx, flags) |
||
6259 | || ! ieee_write_atn65 (info, nindx, bname) |
||
6260 | || ! ieee_write_asn (info, nindx, 0) |
||
6261 | || ! ieee_write_atn65 (info, nindx, fname)) |
||
6262 | { |
||
6263 | free (fname); |
||
6264 | return FALSE; |
||
6265 | } |
||
6266 | info->type_stack->type.classdef->pmisccount += 5; |
||
6267 | |||
6268 | free (fname); |
||
6269 | |||
6270 | return TRUE; |
||
6271 | } |
||
6272 | |||
6273 | /* Start building a method for a class. */ |
||
6274 | |||
6275 | static bfd_boolean |
||
6276 | ieee_class_start_method (void *p, const char *name) |
||
6277 | { |
||
6278 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6279 | |||
6280 | assert (info->type_stack != NULL |
||
6281 | && info->type_stack->type.classdef != NULL |
||
6282 | && info->type_stack->type.classdef->method == NULL); |
||
6283 | |||
6284 | info->type_stack->type.classdef->method = name; |
||
6285 | |||
6286 | return TRUE; |
||
6287 | } |
||
6288 | |||
6289 | /* Define a new method variant, either static or not. */ |
||
6290 | |||
6291 | static bfd_boolean |
||
6292 | ieee_class_method_var (struct ieee_handle *info, const char *physname, |
||
6293 | enum debug_visibility visibility, |
||
6294 | bfd_boolean staticp, bfd_boolean constp, |
||
6295 | bfd_boolean volatilep, bfd_vma voffset, |
||
6296 | bfd_boolean context) |
||
6297 | { |
||
6298 | unsigned int flags; |
||
6299 | unsigned int nindx; |
||
6300 | bfd_boolean is_virtual; |
||
6301 | |||
6302 | /* We don't need the type of the method. An IEEE consumer which |
||
6303 | wants the type must track down the function by the physical name |
||
6304 | and get the type from that. */ |
||
6305 | ieee_pop_unused_type (info); |
||
6306 | |||
6307 | /* We don't use the context. FIXME: We probably ought to use it to |
||
6308 | adjust the voffset somehow, but I don't really know how. */ |
||
6309 | if (context) |
||
6310 | ieee_pop_unused_type (info); |
||
6311 | |||
6312 | assert (info->type_stack != NULL |
||
6313 | && info->type_stack->type.classdef != NULL |
||
6314 | && info->type_stack->type.classdef->method != NULL); |
||
6315 | |||
6316 | flags = ieee_vis_to_flags (visibility); |
||
6317 | |||
6318 | /* FIXME: We never set CXXFLAGS_OVERRIDE, CXXFLAGS_OPERATOR, |
||
6319 | CXXFLAGS_CTORDTOR, CXXFLAGS_CTOR, or CXXFLAGS_INLINE. */ |
||
6320 | |||
6321 | if (staticp) |
||
6322 | flags |= CXXFLAGS_STATIC; |
||
6323 | if (constp) |
||
6324 | flags |= CXXFLAGS_CONST; |
||
6325 | if (volatilep) |
||
6326 | flags |= CXXFLAGS_VOLATILE; |
||
6327 | |||
6328 | nindx = info->type_stack->type.classdef->indx; |
||
6329 | |||
6330 | is_virtual = context || voffset > 0; |
||
6331 | |||
6332 | if (! ieee_change_buffer (info, |
||
6333 | &info->type_stack->type.classdef->pmiscbuf) |
||
6334 | || ! ieee_write_asn (info, nindx, is_virtual ? 'v' : 'm') |
||
6335 | || ! ieee_write_asn (info, nindx, flags) |
||
6336 | || ! ieee_write_atn65 (info, nindx, |
||
6337 | info->type_stack->type.classdef->method) |
||
6338 | || ! ieee_write_atn65 (info, nindx, physname)) |
||
6339 | return FALSE; |
||
6340 | |||
6341 | if (is_virtual) |
||
6342 | { |
||
6343 | if (voffset > info->type_stack->type.classdef->voffset) |
||
6344 | info->type_stack->type.classdef->voffset = voffset; |
||
6345 | if (! ieee_write_asn (info, nindx, voffset)) |
||
6346 | return FALSE; |
||
6347 | ++info->type_stack->type.classdef->pmisccount; |
||
6348 | } |
||
6349 | |||
6350 | if (! ieee_write_asn (info, nindx, 0)) |
||
6351 | return FALSE; |
||
6352 | |||
6353 | info->type_stack->type.classdef->pmisccount += 5; |
||
6354 | |||
6355 | return TRUE; |
||
6356 | } |
||
6357 | |||
6358 | /* Define a new method variant. */ |
||
6359 | |||
6360 | static bfd_boolean |
||
6361 | ieee_class_method_variant (void *p, const char *physname, |
||
6362 | enum debug_visibility visibility, |
||
6363 | bfd_boolean constp, bfd_boolean volatilep, |
||
6364 | bfd_vma voffset, bfd_boolean context) |
||
6365 | { |
||
6366 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6367 | |||
6368 | return ieee_class_method_var (info, physname, visibility, FALSE, constp, |
||
6369 | volatilep, voffset, context); |
||
6370 | } |
||
6371 | |||
6372 | /* Define a new static method variant. */ |
||
6373 | |||
6374 | static bfd_boolean |
||
6375 | ieee_class_static_method_variant (void *p, const char *physname, |
||
6376 | enum debug_visibility visibility, |
||
6377 | bfd_boolean constp, bfd_boolean volatilep) |
||
6378 | { |
||
6379 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6380 | |||
6381 | return ieee_class_method_var (info, physname, visibility, TRUE, constp, |
||
6382 | volatilep, 0, FALSE); |
||
6383 | } |
||
6384 | |||
6385 | /* Finish up a method. */ |
||
6386 | |||
6387 | static bfd_boolean |
||
6388 | ieee_class_end_method (void *p) |
||
6389 | { |
||
6390 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6391 | |||
6392 | assert (info->type_stack != NULL |
||
6393 | && info->type_stack->type.classdef != NULL |
||
6394 | && info->type_stack->type.classdef->method != NULL); |
||
6395 | |||
6396 | info->type_stack->type.classdef->method = NULL; |
||
6397 | |||
6398 | return TRUE; |
||
6399 | } |
||
6400 | |||
6401 | /* Finish up a class. */ |
||
6402 | |||
6403 | static bfd_boolean |
||
6404 | ieee_end_class_type (void *p) |
||
6405 | { |
||
6406 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6407 | unsigned int nindx; |
||
6408 | |||
6409 | assert (info->type_stack != NULL |
||
6410 | && info->type_stack->type.classdef != NULL); |
||
6411 | |||
6412 | /* If we were ignoring this class definition because it was a |
||
6413 | duplicate definition, just through away whatever bytes we have |
||
6414 | accumulated. Leave the type on the stack. */ |
||
6415 | if (info->type_stack->type.ignorep) |
||
6416 | return TRUE; |
||
6417 | |||
6418 | nindx = info->type_stack->type.classdef->indx; |
||
6419 | |||
6420 | /* If we have a virtual table, we can write out the information now. */ |
||
6421 | if (info->type_stack->type.classdef->vclass != NULL |
||
6422 | || info->type_stack->type.classdef->ownvptr) |
||
6423 | { |
||
6424 | if (! ieee_change_buffer (info, |
||
6425 | &info->type_stack->type.classdef->pmiscbuf) |
||
6426 | || ! ieee_write_asn (info, nindx, 'z') |
||
6427 | || ! ieee_write_atn65 (info, nindx, "") |
||
6428 | || ! ieee_write_asn (info, nindx, |
||
6429 | info->type_stack->type.classdef->voffset)) |
||
6430 | return FALSE; |
||
6431 | if (info->type_stack->type.classdef->ownvptr) |
||
6432 | { |
||
6433 | if (! ieee_write_atn65 (info, nindx, "")) |
||
6434 | return FALSE; |
||
6435 | } |
||
6436 | else |
||
6437 | { |
||
6438 | if (! ieee_write_atn65 (info, nindx, |
||
6439 | info->type_stack->type.classdef->vclass)) |
||
6440 | return FALSE; |
||
6441 | } |
||
6442 | if (! ieee_write_asn (info, nindx, 0)) |
||
6443 | return FALSE; |
||
6444 | info->type_stack->type.classdef->pmisccount += 5; |
||
6445 | } |
||
6446 | |||
6447 | /* Now that we know the number of pmisc records, we can write out |
||
6448 | the atn62 which starts the pmisc records, and append them to the |
||
6449 | C++ buffers. */ |
||
6450 | |||
6451 | if (! ieee_change_buffer (info, &info->cxx) |
||
6452 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
||
6453 | || ! ieee_write_number (info, nindx) |
||
6454 | || ! ieee_write_id (info, "") |
||
6455 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
6456 | || ! ieee_write_number (info, nindx) |
||
6457 | || ! ieee_write_number (info, 0) |
||
6458 | || ! ieee_write_number (info, 62) |
||
6459 | || ! ieee_write_number (info, 80) |
||
6460 | || ! ieee_write_number (info, |
||
6461 | info->type_stack->type.classdef->pmisccount)) |
||
6462 | return FALSE; |
||
6463 | |||
6464 | if (! ieee_append_buffer (info, &info->cxx, |
||
6465 | &info->type_stack->type.classdef->pmiscbuf)) |
||
6466 | return FALSE; |
||
6467 | if (! ieee_buffer_emptyp (&info->type_stack->type.classdef->refs)) |
||
6468 | { |
||
6469 | if (! ieee_append_buffer (info, &info->cxx, |
||
6470 | &info->type_stack->type.classdef->refs)) |
||
6471 | return FALSE; |
||
6472 | } |
||
6473 | |||
6474 | return ieee_end_struct_type (p); |
||
6475 | } |
||
6476 | |||
6477 | /* Push a previously seen typedef onto the type stack. */ |
||
6478 | |||
6479 | static bfd_boolean |
||
6480 | ieee_typedef_type (void *p, const char *name) |
||
6481 | { |
||
6482 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6483 | struct ieee_name_type_hash_entry *h; |
||
6484 | struct ieee_name_type *nt; |
||
6485 | |||
6486 | h = ieee_name_type_hash_lookup (&info->typedefs, name, FALSE, FALSE); |
||
6487 | |||
6488 | /* h should never be NULL, since that would imply that the generic |
||
6489 | debugging code has asked for a typedef which it has not yet |
||
6490 | defined. */ |
||
6491 | assert (h != NULL); |
||
6492 | |||
6493 | /* We always use the most recently defined type for this name, which |
||
6494 | will be the first one on the list. */ |
||
6495 | |||
6496 | nt = h->types; |
||
6497 | if (! ieee_push_type (info, nt->type.indx, nt->type.size, |
||
6498 | nt->type.unsignedp, nt->type.localp)) |
||
6499 | return FALSE; |
||
6500 | |||
6501 | /* Copy over any other type information we may have. */ |
||
6502 | info->type_stack->type = nt->type; |
||
6503 | |||
6504 | return TRUE; |
||
6505 | } |
||
6506 | |||
6507 | /* Push a tagged type onto the type stack. */ |
||
6508 | |||
6509 | static bfd_boolean |
||
6510 | ieee_tag_type (void *p, const char *name, unsigned int id, |
||
6511 | enum debug_type_kind kind) |
||
6512 | { |
||
6513 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6514 | bfd_boolean localp; |
||
6515 | bfd_boolean copy; |
||
6516 | char ab[20]; |
||
6517 | struct ieee_name_type_hash_entry *h; |
||
6518 | struct ieee_name_type *nt; |
||
6519 | |||
6520 | if (kind == DEBUG_KIND_ENUM) |
||
6521 | { |
||
6522 | struct ieee_defined_enum *e; |
||
6523 | |||
6524 | if (name == NULL) |
||
6525 | abort (); |
||
6526 | for (e = info->enums; e != NULL; e = e->next) |
||
6527 | if (e->tag != NULL && strcmp (e->tag, name) == 0) |
||
6528 | return ieee_push_type (info, e->indx, 0, TRUE, FALSE); |
||
6529 | |||
6530 | e = (struct ieee_defined_enum *) xmalloc (sizeof *e); |
||
6531 | memset (e, 0, sizeof *e); |
||
6532 | |||
6533 | e->indx = info->type_indx; |
||
6534 | ++info->type_indx; |
||
6535 | e->tag = name; |
||
6536 | e->defined = FALSE; |
||
6537 | |||
6538 | e->next = info->enums; |
||
6539 | info->enums = e; |
||
6540 | |||
6541 | return ieee_push_type (info, e->indx, 0, TRUE, FALSE); |
||
6542 | } |
||
6543 | |||
6544 | localp = FALSE; |
||
6545 | |||
6546 | copy = FALSE; |
||
6547 | if (name == NULL) |
||
6548 | { |
||
6549 | sprintf (ab, "__anon%u", id); |
||
6550 | name = ab; |
||
6551 | copy = TRUE; |
||
6552 | } |
||
6553 | |||
6554 | h = ieee_name_type_hash_lookup (&info->tags, name, TRUE, copy); |
||
6555 | if (h == NULL) |
||
6556 | return FALSE; |
||
6557 | |||
6558 | for (nt = h->types; nt != NULL; nt = nt->next) |
||
6559 | { |
||
6560 | if (nt->id == id) |
||
6561 | { |
||
6562 | if (! ieee_push_type (info, nt->type.indx, nt->type.size, |
||
6563 | nt->type.unsignedp, nt->type.localp)) |
||
6564 | return FALSE; |
||
6565 | /* Copy over any other type information we may have. */ |
||
6566 | info->type_stack->type = nt->type; |
||
6567 | return TRUE; |
||
6568 | } |
||
6569 | |||
6570 | if (! nt->type.localp) |
||
6571 | { |
||
6572 | /* This is a duplicate of a global type, so it must be |
||
6573 | local. */ |
||
6574 | localp = TRUE; |
||
6575 | } |
||
6576 | } |
||
6577 | |||
6578 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
||
6579 | memset (nt, 0, sizeof *nt); |
||
6580 | |||
6581 | nt->id = id; |
||
6582 | nt->type.name = h->root.string; |
||
6583 | nt->type.indx = info->type_indx; |
||
6584 | nt->type.localp = localp; |
||
6585 | ++info->type_indx; |
||
6586 | nt->kind = kind; |
||
6587 | |||
6588 | nt->next = h->types; |
||
6589 | h->types = nt; |
||
6590 | |||
6591 | if (! ieee_push_type (info, nt->type.indx, 0, FALSE, localp)) |
||
6592 | return FALSE; |
||
6593 | |||
6594 | info->type_stack->type.name = h->root.string; |
||
6595 | |||
6596 | return TRUE; |
||
6597 | } |
||
6598 | |||
6599 | /* Output a typedef. */ |
||
6600 | |||
6601 | static bfd_boolean |
||
6602 | ieee_typdef (void *p, const char *name) |
||
6603 | { |
||
6604 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6605 | struct ieee_write_type type; |
||
6606 | unsigned int indx; |
||
6607 | bfd_boolean found; |
||
6608 | bfd_boolean localp; |
||
6609 | struct ieee_name_type_hash_entry *h; |
||
6610 | struct ieee_name_type *nt; |
||
6611 | |||
6612 | type = info->type_stack->type; |
||
6613 | indx = type.indx; |
||
6614 | |||
6615 | /* If this is a simple builtin type using a builtin name, we don't |
||
6616 | want to output the typedef itself. We also want to change the |
||
6617 | type index to correspond to the name being used. We recognize |
||
6618 | names used in stabs debugging output even if they don't exactly |
||
6619 | correspond to the names used for the IEEE builtin types. */ |
||
6620 | found = FALSE; |
||
6621 | if (indx <= (unsigned int) builtin_bcd_float) |
||
6622 | { |
||
6623 | switch ((enum builtin_types) indx) |
||
6624 | { |
||
6625 | default: |
||
6626 | break; |
||
6627 | |||
6628 | case builtin_void: |
||
6629 | if (strcmp (name, "void") == 0) |
||
6630 | found = TRUE; |
||
6631 | break; |
||
6632 | |||
6633 | case builtin_signed_char: |
||
6634 | case builtin_char: |
||
6635 | if (strcmp (name, "signed char") == 0) |
||
6636 | { |
||
6637 | indx = (unsigned int) builtin_signed_char; |
||
6638 | found = TRUE; |
||
6639 | } |
||
6640 | else if (strcmp (name, "char") == 0) |
||
6641 | { |
||
6642 | indx = (unsigned int) builtin_char; |
||
6643 | found = TRUE; |
||
6644 | } |
||
6645 | break; |
||
6646 | |||
6647 | case builtin_unsigned_char: |
||
6648 | if (strcmp (name, "unsigned char") == 0) |
||
6649 | found = TRUE; |
||
6650 | break; |
||
6651 | |||
6652 | case builtin_signed_short_int: |
||
6653 | case builtin_short: |
||
6654 | case builtin_short_int: |
||
6655 | case builtin_signed_short: |
||
6656 | if (strcmp (name, "signed short int") == 0) |
||
6657 | { |
||
6658 | indx = (unsigned int) builtin_signed_short_int; |
||
6659 | found = TRUE; |
||
6660 | } |
||
6661 | else if (strcmp (name, "short") == 0) |
||
6662 | { |
||
6663 | indx = (unsigned int) builtin_short; |
||
6664 | found = TRUE; |
||
6665 | } |
||
6666 | else if (strcmp (name, "short int") == 0) |
||
6667 | { |
||
6668 | indx = (unsigned int) builtin_short_int; |
||
6669 | found = TRUE; |
||
6670 | } |
||
6671 | else if (strcmp (name, "signed short") == 0) |
||
6672 | { |
||
6673 | indx = (unsigned int) builtin_signed_short; |
||
6674 | found = TRUE; |
||
6675 | } |
||
6676 | break; |
||
6677 | |||
6678 | case builtin_unsigned_short_int: |
||
6679 | case builtin_unsigned_short: |
||
6680 | if (strcmp (name, "unsigned short int") == 0 |
||
6681 | || strcmp (name, "short unsigned int") == 0) |
||
6682 | { |
||
6683 | indx = builtin_unsigned_short_int; |
||
6684 | found = TRUE; |
||
6685 | } |
||
6686 | else if (strcmp (name, "unsigned short") == 0) |
||
6687 | { |
||
6688 | indx = builtin_unsigned_short; |
||
6689 | found = TRUE; |
||
6690 | } |
||
6691 | break; |
||
6692 | |||
6693 | case builtin_signed_long: |
||
6694 | case builtin_int: /* FIXME: Size depends upon architecture. */ |
||
6695 | case builtin_long: |
||
6696 | if (strcmp (name, "signed long") == 0) |
||
6697 | { |
||
6698 | indx = builtin_signed_long; |
||
6699 | found = TRUE; |
||
6700 | } |
||
6701 | else if (strcmp (name, "int") == 0) |
||
6702 | { |
||
6703 | indx = builtin_int; |
||
6704 | found = TRUE; |
||
6705 | } |
||
6706 | else if (strcmp (name, "long") == 0 |
||
6707 | || strcmp (name, "long int") == 0) |
||
6708 | { |
||
6709 | indx = builtin_long; |
||
6710 | found = TRUE; |
||
6711 | } |
||
6712 | break; |
||
6713 | |||
6714 | case builtin_unsigned_long: |
||
6715 | case builtin_unsigned: /* FIXME: Size depends upon architecture. */ |
||
6716 | case builtin_unsigned_int: /* FIXME: Like builtin_unsigned. */ |
||
6717 | if (strcmp (name, "unsigned long") == 0 |
||
6718 | || strcmp (name, "long unsigned int") == 0) |
||
6719 | { |
||
6720 | indx = builtin_unsigned_long; |
||
6721 | found = TRUE; |
||
6722 | } |
||
6723 | else if (strcmp (name, "unsigned") == 0) |
||
6724 | { |
||
6725 | indx = builtin_unsigned; |
||
6726 | found = TRUE; |
||
6727 | } |
||
6728 | else if (strcmp (name, "unsigned int") == 0) |
||
6729 | { |
||
6730 | indx = builtin_unsigned_int; |
||
6731 | found = TRUE; |
||
6732 | } |
||
6733 | break; |
||
6734 | |||
6735 | case builtin_signed_long_long: |
||
6736 | if (strcmp (name, "signed long long") == 0 |
||
6737 | || strcmp (name, "long long int") == 0) |
||
6738 | found = TRUE; |
||
6739 | break; |
||
6740 | |||
6741 | case builtin_unsigned_long_long: |
||
6742 | if (strcmp (name, "unsigned long long") == 0 |
||
6743 | || strcmp (name, "long long unsigned int") == 0) |
||
6744 | found = TRUE; |
||
6745 | break; |
||
6746 | |||
6747 | case builtin_float: |
||
6748 | if (strcmp (name, "float") == 0) |
||
6749 | found = TRUE; |
||
6750 | break; |
||
6751 | |||
6752 | case builtin_double: |
||
6753 | if (strcmp (name, "double") == 0) |
||
6754 | found = TRUE; |
||
6755 | break; |
||
6756 | |||
6757 | case builtin_long_double: |
||
6758 | if (strcmp (name, "long double") == 0) |
||
6759 | found = TRUE; |
||
6760 | break; |
||
6761 | |||
6762 | case builtin_long_long_double: |
||
6763 | if (strcmp (name, "long long double") == 0) |
||
6764 | found = TRUE; |
||
6765 | break; |
||
6766 | } |
||
6767 | |||
6768 | if (found) |
||
6769 | type.indx = indx; |
||
6770 | } |
||
6771 | |||
6772 | h = ieee_name_type_hash_lookup (&info->typedefs, name, TRUE, FALSE); |
||
6773 | if (h == NULL) |
||
6774 | return FALSE; |
||
6775 | |||
6776 | /* See if we have already defined this type with this name. */ |
||
6777 | localp = type.localp; |
||
6778 | for (nt = h->types; nt != NULL; nt = nt->next) |
||
6779 | { |
||
6780 | if (nt->id == indx) |
||
6781 | { |
||
6782 | /* If this is a global definition, then we don't need to |
||
6783 | do anything here. */ |
||
6784 | if (! nt->type.localp) |
||
6785 | { |
||
6786 | ieee_pop_unused_type (info); |
||
6787 | return TRUE; |
||
6788 | } |
||
6789 | } |
||
6790 | else |
||
6791 | { |
||
6792 | /* This is a duplicate definition, so make this one local. */ |
||
6793 | localp = TRUE; |
||
6794 | } |
||
6795 | } |
||
6796 | |||
6797 | /* We need to add a new typedef for this type. */ |
||
6798 | |||
6799 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
||
6800 | memset (nt, 0, sizeof *nt); |
||
6801 | nt->id = indx; |
||
6802 | nt->type = type; |
||
6803 | nt->type.name = name; |
||
6804 | nt->type.localp = localp; |
||
6805 | nt->kind = DEBUG_KIND_ILLEGAL; |
||
6806 | |||
6807 | nt->next = h->types; |
||
6808 | h->types = nt; |
||
6809 | |||
6810 | if (found) |
||
6811 | { |
||
6812 | /* This is one of the builtin typedefs, so we don't need to |
||
6813 | actually define it. */ |
||
6814 | ieee_pop_unused_type (info); |
||
6815 | return TRUE; |
||
6816 | } |
||
6817 | |||
6818 | indx = ieee_pop_type (info); |
||
6819 | |||
6820 | if (! ieee_define_named_type (info, name, (unsigned int) -1, type.size, |
||
6821 | type.unsignedp, localp, |
||
6822 | (struct ieee_buflist *) NULL) |
||
6823 | || ! ieee_write_number (info, 'T') |
||
6824 | || ! ieee_write_number (info, indx)) |
||
6825 | return FALSE; |
||
6826 | |||
6827 | /* Remove the type we just added to the type stack. This should not |
||
6828 | be ieee_pop_unused_type, since the type is used, we just don't |
||
6829 | need it now. */ |
||
6830 | (void) ieee_pop_type (info); |
||
6831 | |||
6832 | return TRUE; |
||
6833 | } |
||
6834 | |||
6835 | /* Output a tag for a type. We don't have to do anything here. */ |
||
6836 | |||
6837 | static bfd_boolean |
||
6838 | ieee_tag (void *p, const char *name ATTRIBUTE_UNUSED) |
||
6839 | { |
||
6840 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6841 | |||
6842 | /* This should not be ieee_pop_unused_type, since we want the type |
||
6843 | to be defined. */ |
||
6844 | (void) ieee_pop_type (info); |
||
6845 | return TRUE; |
||
6846 | } |
||
6847 | |||
6848 | /* Output an integer constant. */ |
||
6849 | |||
6850 | static bfd_boolean |
||
6851 | ieee_int_constant (void *p ATTRIBUTE_UNUSED, const char *name ATTRIBUTE_UNUSED, |
||
6852 | bfd_vma val ATTRIBUTE_UNUSED) |
||
6853 | { |
||
6854 | /* FIXME. */ |
||
6855 | return TRUE; |
||
6856 | } |
||
6857 | |||
6858 | /* Output a floating point constant. */ |
||
6859 | |||
6860 | static bfd_boolean |
||
6861 | ieee_float_constant (void *p ATTRIBUTE_UNUSED, |
||
6862 | const char *name ATTRIBUTE_UNUSED, |
||
6863 | double val ATTRIBUTE_UNUSED) |
||
6864 | { |
||
6865 | /* FIXME. */ |
||
6866 | return TRUE; |
||
6867 | } |
||
6868 | |||
6869 | /* Output a typed constant. */ |
||
6870 | |||
6871 | static bfd_boolean |
||
6872 | ieee_typed_constant (void *p, const char *name ATTRIBUTE_UNUSED, |
||
6873 | bfd_vma val ATTRIBUTE_UNUSED) |
||
6874 | { |
||
6875 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6876 | |||
6877 | /* FIXME. */ |
||
6878 | ieee_pop_unused_type (info); |
||
6879 | return TRUE; |
||
6880 | } |
||
6881 | |||
6882 | /* Output a variable. */ |
||
6883 | |||
6884 | static bfd_boolean |
||
6885 | ieee_variable (void *p, const char *name, enum debug_var_kind kind, |
||
6886 | bfd_vma val) |
||
6887 | { |
||
6888 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
6889 | unsigned int name_indx; |
||
6890 | unsigned int size; |
||
6891 | bfd_boolean referencep; |
||
6892 | unsigned int type_indx; |
||
6893 | bfd_boolean asn; |
||
6894 | int refflag; |
||
6895 | |||
6896 | size = info->type_stack->type.size; |
||
6897 | referencep = info->type_stack->type.referencep; |
||
6898 | type_indx = ieee_pop_type (info); |
||
6899 | |||
6900 | assert (! ieee_buffer_emptyp (&info->vars)); |
||
6901 | if (! ieee_change_buffer (info, &info->vars)) |
||
6902 | return FALSE; |
||
6903 | |||
6904 | name_indx = info->name_indx; |
||
6905 | ++info->name_indx; |
||
6906 | |||
6907 | /* Write out an NN and an ATN record for this variable. */ |
||
6908 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
||
6909 | || ! ieee_write_number (info, name_indx) |
||
6910 | || ! ieee_write_id (info, name) |
||
6911 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
6912 | || ! ieee_write_number (info, name_indx) |
||
6913 | || ! ieee_write_number (info, type_indx)) |
||
6914 | return FALSE; |
||
6915 | switch (kind) |
||
6916 | { |
||
6917 | default: |
||
6918 | abort (); |
||
6919 | return FALSE; |
||
6920 | case DEBUG_GLOBAL: |
||
6921 | if (! ieee_write_number (info, 8) |
||
6922 | || ! ieee_add_range (info, FALSE, val, val + size)) |
||
6923 | return FALSE; |
||
6924 | refflag = 0; |
||
6925 | asn = TRUE; |
||
6926 | break; |
||
6927 | case DEBUG_STATIC: |
||
6928 | if (! ieee_write_number (info, 3) |
||
6929 | || ! ieee_add_range (info, FALSE, val, val + size)) |
||
6930 | return FALSE; |
||
6931 | refflag = 1; |
||
6932 | asn = TRUE; |
||
6933 | break; |
||
6934 | case DEBUG_LOCAL_STATIC: |
||
6935 | if (! ieee_write_number (info, 3) |
||
6936 | || ! ieee_add_range (info, FALSE, val, val + size)) |
||
6937 | return FALSE; |
||
6938 | refflag = 2; |
||
6939 | asn = TRUE; |
||
6940 | break; |
||
6941 | case DEBUG_LOCAL: |
||
6942 | if (! ieee_write_number (info, 1) |
||
6943 | || ! ieee_write_number (info, val)) |
||
6944 | return FALSE; |
||
6945 | refflag = 2; |
||
6946 | asn = FALSE; |
||
6947 | break; |
||
6948 | case DEBUG_REGISTER: |
||
6949 | if (! ieee_write_number (info, 2) |
||
6950 | || ! ieee_write_number (info, |
||
6951 | ieee_genreg_to_regno (info->abfd, val))) |
||
6952 | return FALSE; |
||
6953 | refflag = 2; |
||
6954 | asn = FALSE; |
||
6955 | break; |
||
6956 | } |
||
6957 | |||
6958 | if (asn) |
||
6959 | { |
||
6960 | if (! ieee_write_asn (info, name_indx, val)) |
||
6961 | return FALSE; |
||
6962 | } |
||
6963 | |||
6964 | /* If this is really a reference type, then we just output it with |
||
6965 | pointer type, and must now output a C++ record indicating that it |
||
6966 | is really reference type. */ |
||
6967 | if (referencep) |
||
6968 | { |
||
6969 | unsigned int nindx; |
||
6970 | |||
6971 | nindx = info->name_indx; |
||
6972 | ++info->name_indx; |
||
6973 | |||
6974 | /* If this is a global variable, we want to output the misc |
||
6975 | record in the C++ misc record block. Otherwise, we want to |
||
6976 | output it just after the variable definition, which is where |
||
6977 | the current buffer is. */ |
||
6978 | if (refflag != 2) |
||
6979 | { |
||
6980 | if (! ieee_change_buffer (info, &info->cxx)) |
||
6981 | return FALSE; |
||
6982 | } |
||
6983 | |||
6984 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
||
6985 | || ! ieee_write_number (info, nindx) |
||
6986 | || ! ieee_write_id (info, "") |
||
6987 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
6988 | || ! ieee_write_number (info, nindx) |
||
6989 | || ! ieee_write_number (info, 0) |
||
6990 | || ! ieee_write_number (info, 62) |
||
6991 | || ! ieee_write_number (info, 80) |
||
6992 | || ! ieee_write_number (info, 3) |
||
6993 | || ! ieee_write_asn (info, nindx, 'R') |
||
6994 | || ! ieee_write_asn (info, nindx, refflag) |
||
6995 | || ! ieee_write_atn65 (info, nindx, name)) |
||
6996 | return FALSE; |
||
6997 | } |
||
6998 | |||
6999 | return TRUE; |
||
7000 | } |
||
7001 | |||
7002 | /* Start outputting information for a function. */ |
||
7003 | |||
7004 | static bfd_boolean |
||
7005 | ieee_start_function (void *p, const char *name, bfd_boolean global) |
||
7006 | { |
||
7007 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
7008 | bfd_boolean referencep; |
||
7009 | unsigned int retindx, typeindx; |
||
7010 | |||
7011 | referencep = info->type_stack->type.referencep; |
||
7012 | retindx = ieee_pop_type (info); |
||
7013 | |||
7014 | /* Besides recording a BB4 or BB6 block, we record the type of the |
||
7015 | function in the BB1 typedef block. We can't write out the full |
||
7016 | type until we have seen all the parameters, so we accumulate it |
||
7017 | in info->fntype and info->fnargs. */ |
||
7018 | if (! ieee_buffer_emptyp (&info->fntype)) |
||
7019 | { |
||
7020 | /* FIXME: This might happen someday if we support nested |
||
7021 | functions. */ |
||
7022 | abort (); |
||
7023 | } |
||
7024 | |||
7025 | info->fnname = name; |
||
7026 | |||
7027 | /* An attribute of 0x40 means that the push mask is unknown. */ |
||
7028 | if (! ieee_define_named_type (info, name, (unsigned int) -1, 0, FALSE, TRUE, |
||
7029 | &info->fntype) |
||
7030 | || ! ieee_write_number (info, 'x') |
||
7031 | || ! ieee_write_number (info, 0x40) |
||
7032 | || ! ieee_write_number (info, 0) |
||
7033 | || ! ieee_write_number (info, 0) |
||
7034 | || ! ieee_write_number (info, retindx)) |
||
7035 | return FALSE; |
||
7036 | |||
7037 | typeindx = ieee_pop_type (info); |
||
7038 | |||
7039 | if (! ieee_init_buffer (info, &info->fnargs)) |
||
7040 | return FALSE; |
||
7041 | info->fnargcount = 0; |
||
7042 | |||
7043 | /* If the function return value is actually a reference type, we |
||
7044 | must add a record indicating that. */ |
||
7045 | if (referencep) |
||
7046 | { |
||
7047 | unsigned int nindx; |
||
7048 | |||
7049 | nindx = info->name_indx; |
||
7050 | ++info->name_indx; |
||
7051 | if (! ieee_change_buffer (info, &info->cxx) |
||
7052 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
||
7053 | || ! ieee_write_number (info, nindx) |
||
7054 | || ! ieee_write_id (info, "") |
||
7055 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
7056 | || ! ieee_write_number (info, nindx) |
||
7057 | || ! ieee_write_number (info, 0) |
||
7058 | || ! ieee_write_number (info, 62) |
||
7059 | || ! ieee_write_number (info, 80) |
||
7060 | || ! ieee_write_number (info, 3) |
||
7061 | || ! ieee_write_asn (info, nindx, 'R') |
||
7062 | || ! ieee_write_asn (info, nindx, global ? 0 : 1) |
||
7063 | || ! ieee_write_atn65 (info, nindx, name)) |
||
7064 | return FALSE; |
||
7065 | } |
||
7066 | |||
7067 | assert (! ieee_buffer_emptyp (&info->vars)); |
||
7068 | if (! ieee_change_buffer (info, &info->vars)) |
||
7069 | return FALSE; |
||
7070 | |||
7071 | /* The address is written out as the first block. */ |
||
7072 | |||
7073 | ++info->block_depth; |
||
7074 | |||
7075 | return (ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
7076 | && ieee_write_byte (info, global ? 4 : 6) |
||
7077 | && ieee_write_number (info, 0) |
||
7078 | && ieee_write_id (info, name) |
||
7079 | && ieee_write_number (info, 0) |
||
7080 | && ieee_write_number (info, typeindx)); |
||
7081 | } |
||
7082 | |||
7083 | /* Add a function parameter. This will normally be called before the |
||
7084 | first block, so we postpone them until we see the block. */ |
||
7085 | |||
7086 | static bfd_boolean |
||
7087 | ieee_function_parameter (void *p, const char *name, enum debug_parm_kind kind, |
||
7088 | bfd_vma val) |
||
7089 | { |
||
7090 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
7091 | struct ieee_pending_parm *m, **pm; |
||
7092 | |||
7093 | assert (info->block_depth == 1); |
||
7094 | |||
7095 | m = (struct ieee_pending_parm *) xmalloc (sizeof *m); |
||
7096 | memset (m, 0, sizeof *m); |
||
7097 | |||
7098 | m->next = NULL; |
||
7099 | m->name = name; |
||
7100 | m->referencep = info->type_stack->type.referencep; |
||
7101 | m->type = ieee_pop_type (info); |
||
7102 | m->kind = kind; |
||
7103 | m->val = val; |
||
7104 | |||
7105 | for (pm = &info->pending_parms; *pm != NULL; pm = &(*pm)->next) |
||
7106 | ; |
||
7107 | *pm = m; |
||
7108 | |||
7109 | /* Add the type to the fnargs list. */ |
||
7110 | if (! ieee_change_buffer (info, &info->fnargs) |
||
7111 | || ! ieee_write_number (info, m->type)) |
||
7112 | return FALSE; |
||
7113 | ++info->fnargcount; |
||
7114 | |||
7115 | return TRUE; |
||
7116 | } |
||
7117 | |||
7118 | /* Output pending function parameters. */ |
||
7119 | |||
7120 | static bfd_boolean |
||
7121 | ieee_output_pending_parms (struct ieee_handle *info) |
||
7122 | { |
||
7123 | struct ieee_pending_parm *m; |
||
7124 | unsigned int refcount; |
||
7125 | |||
7126 | refcount = 0; |
||
7127 | for (m = info->pending_parms; m != NULL; m = m->next) |
||
7128 | { |
||
7129 | enum debug_var_kind vkind; |
||
7130 | |||
7131 | switch (m->kind) |
||
7132 | { |
||
7133 | default: |
||
7134 | abort (); |
||
7135 | return FALSE; |
||
7136 | case DEBUG_PARM_STACK: |
||
7137 | case DEBUG_PARM_REFERENCE: |
||
7138 | vkind = DEBUG_LOCAL; |
||
7139 | break; |
||
7140 | case DEBUG_PARM_REG: |
||
7141 | case DEBUG_PARM_REF_REG: |
||
7142 | vkind = DEBUG_REGISTER; |
||
7143 | break; |
||
7144 | } |
||
7145 | |||
7146 | if (! ieee_push_type (info, m->type, 0, FALSE, FALSE)) |
||
7147 | return FALSE; |
||
7148 | info->type_stack->type.referencep = m->referencep; |
||
7149 | if (m->referencep) |
||
7150 | ++refcount; |
||
7151 | if (! ieee_variable ((void *) info, m->name, vkind, m->val)) |
||
7152 | return FALSE; |
||
7153 | } |
||
7154 | |||
7155 | /* If there are any reference parameters, we need to output a |
||
7156 | miscellaneous record indicating them. */ |
||
7157 | if (refcount > 0) |
||
7158 | { |
||
7159 | unsigned int nindx, varindx; |
||
7160 | |||
7161 | /* FIXME: The MRI compiler outputs the demangled function name |
||
7162 | here, but we are outputting the mangled name. */ |
||
7163 | nindx = info->name_indx; |
||
7164 | ++info->name_indx; |
||
7165 | if (! ieee_change_buffer (info, &info->vars) |
||
7166 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
||
7167 | || ! ieee_write_number (info, nindx) |
||
7168 | || ! ieee_write_id (info, "") |
||
7169 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
7170 | || ! ieee_write_number (info, nindx) |
||
7171 | || ! ieee_write_number (info, 0) |
||
7172 | || ! ieee_write_number (info, 62) |
||
7173 | || ! ieee_write_number (info, 80) |
||
7174 | || ! ieee_write_number (info, refcount + 3) |
||
7175 | || ! ieee_write_asn (info, nindx, 'B') |
||
7176 | || ! ieee_write_atn65 (info, nindx, info->fnname) |
||
7177 | || ! ieee_write_asn (info, nindx, 0)) |
||
7178 | return FALSE; |
||
7179 | for (m = info->pending_parms, varindx = 1; |
||
7180 | m != NULL; |
||
7181 | m = m->next, varindx++) |
||
7182 | { |
||
7183 | if (m->referencep) |
||
7184 | { |
||
7185 | if (! ieee_write_asn (info, nindx, varindx)) |
||
7186 | return FALSE; |
||
7187 | } |
||
7188 | } |
||
7189 | } |
||
7190 | |||
7191 | m = info->pending_parms; |
||
7192 | while (m != NULL) |
||
7193 | { |
||
7194 | struct ieee_pending_parm *next; |
||
7195 | |||
7196 | next = m->next; |
||
7197 | free (m); |
||
7198 | m = next; |
||
7199 | } |
||
7200 | |||
7201 | info->pending_parms = NULL; |
||
7202 | |||
7203 | return TRUE; |
||
7204 | } |
||
7205 | |||
7206 | /* Start a block. If this is the first block, we output the address |
||
7207 | to finish the BB4 or BB6, and then output the function parameters. */ |
||
7208 | |||
7209 | static bfd_boolean |
||
7210 | ieee_start_block (void *p, bfd_vma addr) |
||
7211 | { |
||
7212 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
7213 | |||
7214 | if (! ieee_change_buffer (info, &info->vars)) |
||
7215 | return FALSE; |
||
7216 | |||
7217 | if (info->block_depth == 1) |
||
7218 | { |
||
7219 | if (! ieee_write_number (info, addr) |
||
7220 | || ! ieee_output_pending_parms (info)) |
||
7221 | return FALSE; |
||
7222 | } |
||
7223 | else |
||
7224 | { |
||
7225 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
7226 | || ! ieee_write_byte (info, 6) |
||
7227 | || ! ieee_write_number (info, 0) |
||
7228 | || ! ieee_write_id (info, "") |
||
7229 | || ! ieee_write_number (info, 0) |
||
7230 | || ! ieee_write_number (info, 0) |
||
7231 | || ! ieee_write_number (info, addr)) |
||
7232 | return FALSE; |
||
7233 | } |
||
7234 | |||
7235 | if (! ieee_start_range (info, addr)) |
||
7236 | return FALSE; |
||
7237 | |||
7238 | ++info->block_depth; |
||
7239 | |||
7240 | return TRUE; |
||
7241 | } |
||
7242 | |||
7243 | /* End a block. */ |
||
7244 | |||
7245 | static bfd_boolean |
||
7246 | ieee_end_block (void *p, bfd_vma addr) |
||
7247 | { |
||
7248 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
7249 | |||
7250 | /* The address we are given is the end of the block, but IEEE seems |
||
7251 | to want to the address of the last byte in the block, so we |
||
7252 | subtract one. */ |
||
7253 | if (! ieee_change_buffer (info, &info->vars) |
||
7254 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
||
7255 | || ! ieee_write_number (info, addr - 1)) |
||
7256 | return FALSE; |
||
7257 | |||
7258 | if (! ieee_end_range (info, addr)) |
||
7259 | return FALSE; |
||
7260 | |||
7261 | --info->block_depth; |
||
7262 | |||
7263 | if (addr > info->highaddr) |
||
7264 | info->highaddr = addr; |
||
7265 | |||
7266 | return TRUE; |
||
7267 | } |
||
7268 | |||
7269 | /* End a function. */ |
||
7270 | |||
7271 | static bfd_boolean |
||
7272 | ieee_end_function (void *p) |
||
7273 | { |
||
7274 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
7275 | |||
7276 | assert (info->block_depth == 1); |
||
7277 | |||
7278 | --info->block_depth; |
||
7279 | |||
7280 | /* Now we can finish up fntype, and add it to the typdef section. |
||
7281 | At this point, fntype is the 'x' type up to the argument count, |
||
7282 | and fnargs is the argument types. We must add the argument |
||
7283 | count, and we must add the level. FIXME: We don't record varargs |
||
7284 | functions correctly. In fact, stabs debugging does not give us |
||
7285 | enough information to do so. */ |
||
7286 | if (! ieee_change_buffer (info, &info->fntype) |
||
7287 | || ! ieee_write_number (info, info->fnargcount) |
||
7288 | || ! ieee_change_buffer (info, &info->fnargs) |
||
7289 | || ! ieee_write_number (info, 0)) |
||
7290 | return FALSE; |
||
7291 | |||
7292 | /* Make sure the typdef block has been started. */ |
||
7293 | if (ieee_buffer_emptyp (&info->types)) |
||
7294 | { |
||
7295 | if (! ieee_change_buffer (info, &info->types) |
||
7296 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
7297 | || ! ieee_write_byte (info, 1) |
||
7298 | || ! ieee_write_number (info, 0) |
||
7299 | || ! ieee_write_id (info, info->modname)) |
||
7300 | return FALSE; |
||
7301 | } |
||
7302 | |||
7303 | if (! ieee_append_buffer (info, &info->types, &info->fntype) |
||
7304 | || ! ieee_append_buffer (info, &info->types, &info->fnargs)) |
||
7305 | return FALSE; |
||
7306 | |||
7307 | info->fnname = NULL; |
||
7308 | if (! ieee_init_buffer (info, &info->fntype) |
||
7309 | || ! ieee_init_buffer (info, &info->fnargs)) |
||
7310 | return FALSE; |
||
7311 | info->fnargcount = 0; |
||
7312 | |||
7313 | return TRUE; |
||
7314 | } |
||
7315 | |||
7316 | /* Record line number information. */ |
||
7317 | |||
7318 | static bfd_boolean |
||
7319 | ieee_lineno (void *p, const char *filename, unsigned long lineno, bfd_vma addr) |
||
7320 | { |
||
7321 | struct ieee_handle *info = (struct ieee_handle *) p; |
||
7322 | |||
7323 | assert (info->filename != NULL); |
||
7324 | |||
7325 | /* The HP simulator seems to get confused when more than one line is |
||
7326 | listed for the same address, at least if they are in different |
||
7327 | files. We handle this by always listing the last line for a |
||
7328 | given address, since that seems to be the one that gdb uses. */ |
||
7329 | if (info->pending_lineno_filename != NULL |
||
7330 | && addr != info->pending_lineno_addr) |
||
7331 | { |
||
7332 | /* Make sure we have a line number block. */ |
||
7333 | if (! ieee_buffer_emptyp (&info->linenos)) |
||
7334 | { |
||
7335 | if (! ieee_change_buffer (info, &info->linenos)) |
||
7336 | return FALSE; |
||
7337 | } |
||
7338 | else |
||
7339 | { |
||
7340 | info->lineno_name_indx = info->name_indx; |
||
7341 | ++info->name_indx; |
||
7342 | if (! ieee_change_buffer (info, &info->linenos) |
||
7343 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
7344 | || ! ieee_write_byte (info, 5) |
||
7345 | || ! ieee_write_number (info, 0) |
||
7346 | || ! ieee_write_id (info, info->filename) |
||
7347 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
||
7348 | || ! ieee_write_number (info, info->lineno_name_indx) |
||
7349 | || ! ieee_write_id (info, "")) |
||
7350 | return FALSE; |
||
7351 | info->lineno_filename = info->filename; |
||
7352 | } |
||
7353 | |||
7354 | if (filename_cmp (info->pending_lineno_filename, |
||
7355 | info->lineno_filename) != 0) |
||
7356 | { |
||
7357 | if (filename_cmp (info->filename, info->lineno_filename) != 0) |
||
7358 | { |
||
7359 | /* We were not in the main file. Close the block for the |
||
7360 | included file. */ |
||
7361 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
||
7362 | return FALSE; |
||
7363 | if (filename_cmp (info->filename, |
||
7364 | info->pending_lineno_filename) == 0) |
||
7365 | { |
||
7366 | /* We need a new NN record, and we aren't about to |
||
7367 | output one. */ |
||
7368 | info->lineno_name_indx = info->name_indx; |
||
7369 | ++info->name_indx; |
||
7370 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
||
7371 | || ! ieee_write_number (info, info->lineno_name_indx) |
||
7372 | || ! ieee_write_id (info, "")) |
||
7373 | return FALSE; |
||
7374 | } |
||
7375 | } |
||
7376 | if (filename_cmp (info->filename, |
||
7377 | info->pending_lineno_filename) != 0) |
||
7378 | { |
||
7379 | /* We are not changing to the main file. Open a block for |
||
7380 | the new included file. */ |
||
7381 | info->lineno_name_indx = info->name_indx; |
||
7382 | ++info->name_indx; |
||
7383 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
||
7384 | || ! ieee_write_byte (info, 5) |
||
7385 | || ! ieee_write_number (info, 0) |
||
7386 | || ! ieee_write_id (info, info->pending_lineno_filename) |
||
7387 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
||
7388 | || ! ieee_write_number (info, info->lineno_name_indx) |
||
7389 | || ! ieee_write_id (info, "")) |
||
7390 | return FALSE; |
||
7391 | } |
||
7392 | info->lineno_filename = info->pending_lineno_filename; |
||
7393 | } |
||
7394 | |||
7395 | if (! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
||
7396 | || ! ieee_write_number (info, info->lineno_name_indx) |
||
7397 | || ! ieee_write_number (info, 0) |
||
7398 | || ! ieee_write_number (info, 7) |
||
7399 | || ! ieee_write_number (info, info->pending_lineno) |
||
7400 | || ! ieee_write_number (info, 0) |
||
7401 | || ! ieee_write_asn (info, info->lineno_name_indx, |
||
7402 | info->pending_lineno_addr)) |
||
7403 | return FALSE; |
||
7404 | } |
||
7405 | |||
7406 | info->pending_lineno_filename = filename; |
||
7407 | info->pending_lineno = lineno; |
||
7408 | info->pending_lineno_addr = addr; |
||
7409 | |||
7410 | return TRUE; |
||
7411 | }=>>>>>>>>=>=>=>=>>=>=>=>=>=>>><>><>>=>>>>>>>=>>>>>>>>>=>>>>>=>><>>>>>>>>>>>><>=>=><=>=>=> |