1 | /* |
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2 | * Copyright (c) 2012, Chris Johns <chrisj@rtems.org> |
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3 | * |
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4 | * Permission to use, copy, modify, and/or distribute this software for any |
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5 | * purpose with or without fee is hereby granted, provided that the above |
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6 | * copyright notice and this permission notice appear in all copies. |
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7 | * |
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8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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15 | */ |
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16 | /** |
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17 | * @file |
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18 | * |
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19 | * @ingroup rtems_ld |
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20 | * |
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21 | * @brief RTEMS Linker. |
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22 | * |
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23 | */ |
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24 | |
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25 | #if HAVE_CONFIG_H |
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26 | #include "config.h" |
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27 | #endif |
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28 | |
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29 | #include <algorithm> |
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30 | #include <list> |
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31 | #include <iomanip> |
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32 | |
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33 | #include <rld.h> |
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34 | #include <rld-compression.h> |
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35 | #include <rld-rap.h> |
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36 | |
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37 | namespace rld |
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38 | { |
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39 | namespace rap |
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40 | { |
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41 | /** |
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42 | * The sections of interest in a RAP file. |
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43 | */ |
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44 | enum sections |
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45 | { |
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46 | rap_text = 0, |
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47 | rap_const = 1, |
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48 | rap_ctor = 2, |
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49 | rap_dtor = 3, |
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50 | rap_data = 4, |
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51 | rap_bss = 5, |
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52 | rap_secs = 6 |
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53 | }; |
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54 | |
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55 | /** |
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56 | * The names of the RAP sections. |
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57 | */ |
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58 | static const char* section_names[rap_secs] = |
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59 | { |
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60 | ".text", |
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61 | ".const", |
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62 | ".ctor", |
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63 | ".dtor", |
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64 | ".data", |
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65 | ".bss" |
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66 | }; |
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67 | |
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68 | /** |
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69 | * The RAP section data. |
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70 | */ |
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71 | struct section |
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72 | { |
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73 | std::string name; //< The name of the section. |
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74 | uint32_t size; //< The size of the section. |
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75 | uint32_t offset; //< The offset of the section. |
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76 | uint32_t align; //< The alignment of the section. |
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77 | |
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78 | /** |
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79 | * Operator to add up section data. |
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80 | */ |
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81 | section& operator += (const section& sec); |
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82 | |
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83 | /** |
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84 | * Default constructor. |
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85 | */ |
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86 | section (); |
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87 | }; |
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88 | |
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89 | /** |
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90 | * A symbol. This matches the symbol structure 'rtems_rtl_obj_sym_t' in the |
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91 | * target code. |
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92 | */ |
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93 | struct external |
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94 | { |
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95 | /** |
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96 | * Size of an external in the RAP file. |
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97 | */ |
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98 | static const uint32_t rap_size = sizeof (uint32_t) * 3; |
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99 | |
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100 | const uint32_t name; //< The string table's name index. |
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101 | const sections sec; //< The section the symbols belongs to. |
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102 | const uint32_t value; //< The offset from the section base. |
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103 | const uint32_t data; //< The ELF st.info field. |
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104 | |
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105 | /** |
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106 | * The default constructor. |
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107 | */ |
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108 | external (const uint32_t name, |
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109 | const sections sec, |
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110 | const uint32_t value, |
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111 | const uint32_t info); |
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112 | |
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113 | /** |
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114 | * Copy constructor. |
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115 | */ |
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116 | external (const external& orig); |
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117 | |
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118 | }; |
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119 | |
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120 | /** |
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121 | * A container of externals. |
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122 | */ |
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123 | typedef std::list < external > externals; |
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124 | |
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125 | /** |
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126 | * The specific data for each object we need to collect to create the RAP |
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127 | * format file. |
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128 | */ |
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129 | struct object |
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130 | { |
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131 | |
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132 | files::object& obj; //< The object file. |
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133 | files::sections text; //< All executable code. |
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134 | files::sections const_; //< All read only data. |
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135 | files::sections ctor; //< The static constructor table. |
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136 | files::sections dtor; //< The static destructor table. |
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137 | files::sections data; //< All initialised read/write data. |
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138 | files::sections bss; //< All uninitialised read/write data |
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139 | files::sections relocs; //< All relocation records. |
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140 | files::sections symtab; //< All exported symbols. |
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141 | files::sections strtab; //< All exported strings. |
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142 | section secs[rap_secs]; //< The sections of interest. |
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143 | uint32_t symtab_off; //< The symbols section file offset. |
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144 | uint32_t symtab_size; //< The symbols section size. |
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145 | uint32_t strtab_off; //< The strings section file offset. |
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146 | uint32_t strtab_size; //< The strings section size. |
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147 | uint32_t relocs_off; //< The reloc's section file offset. |
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148 | uint32_t relocs_size; //< The reloc's section size. |
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149 | |
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150 | /** |
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151 | * The constructor. Need to have an object file to create. |
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152 | */ |
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153 | object (files::object& obj); |
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154 | |
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155 | /** |
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156 | * The copy constructor. |
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157 | */ |
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158 | object (const object& orig); |
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159 | |
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160 | /** |
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161 | * Find the section type that matches the section index. |
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162 | */ |
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163 | sections find (const uint32_t index) const; |
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164 | |
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165 | private: |
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166 | /** |
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167 | * No default constructor allowed. |
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168 | */ |
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169 | object (); |
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170 | }; |
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171 | |
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172 | /** |
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173 | * A container of objects. |
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174 | */ |
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175 | typedef std::list < object > objects; |
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176 | |
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177 | /** |
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178 | * The RAP image. |
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179 | */ |
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180 | class image |
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181 | { |
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182 | public: |
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183 | /** |
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184 | * Construct the image. |
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185 | */ |
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186 | image (); |
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187 | |
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188 | /** |
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189 | * Load the layout data from the object files. |
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190 | */ |
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191 | void layout (const files::object_list& app_objects); |
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192 | |
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193 | /** |
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194 | * Write the compressed output file. |
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195 | */ |
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196 | void write (compress::compressor& comp, |
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197 | const std::string& init, |
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198 | const std::string& fini); |
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199 | |
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200 | /** |
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201 | * Write the sections to the compressed output file. |
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202 | */ |
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203 | void write (compress::compressor& comp, |
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204 | files::object& obj, |
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205 | const files::sections& secs); |
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206 | |
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207 | private: |
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208 | |
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209 | objects objs; //< The RAP objects |
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210 | section secs[rap_secs]; //< The sections of interest. |
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211 | externals externs; //< The symbols in the image |
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212 | uint32_t symtab_size; //< The size of the symbols. |
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213 | std::string strtab; //< The strings table. |
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214 | uint32_t relocs_size; //< The relocations size. |
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215 | }; |
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216 | |
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217 | /** |
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218 | * Output helper function to report the sections in an object file. |
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219 | * This is useful when seeing the flags in the sections. |
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220 | * |
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221 | * @param name The name of the section group in the RAP file. |
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222 | * @param size The total of the section size's in the group. |
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223 | * @param secs The container of sections in the group. |
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224 | */ |
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225 | void |
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226 | output (const char* name, size_t size, const files::sections& secs) |
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227 | { |
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228 | if (size) |
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229 | { |
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230 | std::cout << ' ' << name << ": size: " << size << std::endl; |
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231 | |
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232 | for (files::sections::const_iterator si = secs.begin (); |
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233 | si != secs.end (); |
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234 | ++si) |
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235 | { |
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236 | files::section sec = *si; |
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237 | |
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238 | if (sec.size) |
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239 | { |
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240 | #define SF(f, i, c) if (sec.flags & (f)) flags[i] = c |
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241 | |
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242 | std::string flags ("--------------"); |
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243 | |
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244 | SF (SHF_WRITE, 0, 'W'); |
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245 | SF (SHF_ALLOC, 1, 'A'); |
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246 | SF (SHF_EXECINSTR, 2, 'E'); |
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247 | SF (SHF_MERGE, 3, 'M'); |
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248 | SF (SHF_STRINGS, 4, 'S'); |
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249 | SF (SHF_INFO_LINK, 5, 'I'); |
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250 | SF (SHF_LINK_ORDER, 6, 'L'); |
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251 | SF (SHF_OS_NONCONFORMING, 7, 'N'); |
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252 | SF (SHF_GROUP, 8, 'G'); |
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253 | SF (SHF_TLS, 9, 'T'); |
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254 | SF (SHF_AMD64_LARGE, 10, 'a'); |
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255 | SF (SHF_ENTRYSECT, 11, 'e'); |
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256 | SF (SHF_COMDEF, 12, 'c'); |
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257 | SF (SHF_ORDERED, 13, 'O'); |
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258 | |
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259 | std::cout << " " << std::left |
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260 | << std::setw (15) << sec.name |
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261 | << " " << flags |
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262 | << " size: " << std::setw (5) << sec.size |
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263 | << " align: " << sec.alignment |
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264 | << std::right << std::endl; |
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265 | } |
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266 | } |
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267 | } |
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268 | } |
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269 | |
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270 | section::section () |
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271 | : size (0), |
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272 | offset (0), |
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273 | align (0) |
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274 | { |
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275 | } |
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276 | |
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277 | section& |
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278 | section::operator += (const section& sec) |
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279 | { |
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280 | if (sec.size) |
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281 | { |
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282 | if (align == 0) |
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283 | align = sec.align; |
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284 | else if (align != sec.align) |
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285 | throw rld::error ("Alignments do not match for section '" + name + "'", |
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286 | "rap::section"); |
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287 | |
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288 | if (size && (align == 0)) |
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289 | throw rld::error ("Invalid alignment '" + name + "'", |
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290 | "rap::section"); |
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291 | |
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292 | size += sec.size; |
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293 | offset = sec.offset + sec.size; |
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294 | |
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295 | uint32_t mask = (1 << (align - 1)) - 1; |
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296 | |
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297 | if (offset & mask) |
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298 | { |
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299 | offset &= ~mask; |
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300 | offset += (1 << align); |
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301 | } |
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302 | } |
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303 | |
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304 | return *this; |
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305 | } |
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306 | |
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307 | external::external (const uint32_t name, |
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308 | const sections sec, |
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309 | const uint32_t value, |
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310 | const uint32_t data) |
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311 | : name (name), |
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312 | sec (sec), |
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313 | value (value), |
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314 | data (data) |
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315 | { |
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316 | } |
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317 | |
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318 | external::external (const external& orig) |
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319 | : name (orig.name), |
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320 | sec (orig.sec), |
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321 | value (orig.value), |
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322 | data (orig.data) |
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323 | { |
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324 | } |
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325 | |
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326 | object::object (files::object& obj) |
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327 | : obj (obj), |
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328 | symtab_off (0), |
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329 | symtab_size (0), |
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330 | strtab_off (0), |
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331 | strtab_size (0), |
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332 | relocs_off (0), |
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333 | relocs_size (0) |
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334 | { |
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335 | /* |
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336 | * Set up the names of the sections. |
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337 | */ |
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338 | for (int s = 0; s < rap_secs; ++s) |
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339 | secs[s].name = section_names[s]; |
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340 | |
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341 | /* |
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342 | * Get from the object file the various sections we need to format a |
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343 | * memory layout. |
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344 | */ |
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345 | |
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346 | obj.get_sections (text, SHT_PROGBITS, SHF_ALLOC | SHF_EXECINSTR); |
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347 | obj.get_sections (const_, SHT_PROGBITS, SHF_ALLOC | SHF_MERGE, SHF_WRITE | SHF_EXECINSTR); |
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348 | obj.get_sections (ctor, ".ctors"); |
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349 | obj.get_sections (dtor, ".dtors"); |
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350 | obj.get_sections (data, SHT_PROGBITS, SHF_ALLOC | SHF_WRITE); |
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351 | obj.get_sections (bss, SHT_NOBITS, SHF_ALLOC | SHF_WRITE); |
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352 | obj.get_sections (symtab, SHT_SYMTAB); |
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353 | obj.get_sections (strtab, ".strtab"); |
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354 | |
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355 | /* |
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356 | * Only interested in the relocation records for the text sections. |
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357 | */ |
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358 | for (files::sections::const_iterator ti = text.begin (); |
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359 | ti != text.end (); |
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360 | ++ti) |
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361 | { |
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362 | files::section sec = *ti; |
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363 | obj.get_sections (relocs, ".rel" + sec.name); |
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364 | obj.get_sections (relocs, ".rela" + sec.name); |
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365 | } |
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366 | |
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367 | secs[rap_text].size = files::sum_sizes (text); |
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368 | if (!text.empty ()) |
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369 | secs[rap_text].align = (*text.begin ()).alignment; |
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370 | |
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371 | secs[rap_const].size = files::sum_sizes (const_); |
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372 | if (!const_.empty ()) |
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373 | secs[rap_const].align = (*const_.begin ()).alignment; |
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374 | |
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375 | secs[rap_ctor].size = files::sum_sizes (ctor); |
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376 | if (!ctor.empty ()) |
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377 | secs[rap_ctor].align = (*ctor.begin ()).alignment; |
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378 | |
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379 | secs[rap_dtor].size = files::sum_sizes (dtor); |
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380 | if (!dtor.empty ()) |
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381 | secs[rap_dtor].align = (*dtor.begin ()).alignment; |
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382 | |
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383 | secs[rap_data].size = files::sum_sizes (data); |
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384 | if (!data.empty ()) |
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385 | secs[rap_data].align = (*data.begin ()).alignment; |
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386 | |
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387 | secs[rap_bss].size = files::sum_sizes (bss); |
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388 | if (!bss.empty ()) |
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389 | secs[rap_bss].align = (*bss.begin ()).alignment; |
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390 | |
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391 | symtab_size = files::sum_sizes (symtab); |
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392 | strtab_size = files::sum_sizes (strtab); |
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393 | relocs_size = files::sum_sizes (relocs); |
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394 | |
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395 | if (rld::verbose () >= RLD_VERBOSE_TRACE) |
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396 | { |
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397 | std::cout << "rap:object: " << obj.name ().full () << std::endl; |
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398 | output ("text", secs[rap_text].size, text); |
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399 | output ("const", secs[rap_const].size, const_); |
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400 | output ("ctor", secs[rap_ctor].size, ctor); |
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401 | output ("dtor", secs[rap_dtor].size, dtor); |
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402 | output ("data", secs[rap_data].size, data); |
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403 | if (secs[rap_bss].size) |
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404 | std::cout << " bss: size: " << secs[rap_bss].size << std::endl; |
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405 | output ("relocs", relocs_size, relocs); |
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406 | output ("symtab", symtab_size, symtab); |
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407 | output ("strtab", strtab_size, strtab); |
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408 | } |
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409 | } |
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410 | |
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411 | object::object (const object& orig) |
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412 | : obj (orig.obj), |
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413 | text (orig.text), |
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414 | const_ (orig.const_), |
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415 | ctor (orig.ctor), |
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416 | dtor (orig.dtor), |
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417 | data (orig.data), |
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418 | bss (orig.bss), |
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419 | relocs (orig.relocs), |
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420 | symtab (orig.symtab), |
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421 | strtab (orig.strtab), |
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422 | symtab_off (orig.symtab_off), |
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423 | symtab_size (orig.symtab_size), |
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424 | strtab_off (orig.strtab_off), |
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425 | strtab_size (orig.strtab_size), |
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426 | relocs_off (orig.relocs_off), |
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427 | relocs_size (orig.relocs_size) |
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428 | { |
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429 | for (int s = 0; s < rap_secs; ++s) |
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430 | secs[s] = orig.secs[s]; |
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431 | } |
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432 | |
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433 | sections |
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434 | object::find (const uint32_t index) const |
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435 | { |
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436 | const files::section* sec; |
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437 | |
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438 | sec = files::find (text, index); |
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439 | if (sec) |
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440 | return rap_text; |
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441 | |
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442 | sec = files::find (const_, index); |
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443 | if (sec) |
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444 | return rap_const; |
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445 | |
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446 | sec = files::find (ctor, index); |
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447 | if (sec) |
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448 | return rap_ctor; |
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449 | |
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450 | sec = files::find (dtor, index); |
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451 | if (sec) |
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452 | return rap_dtor; |
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453 | |
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454 | sec = files::find (data, index); |
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455 | if (sec) |
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456 | return rap_data; |
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457 | |
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458 | sec = files::find (bss, index); |
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459 | if (sec) |
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460 | return rap_bss; |
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461 | |
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462 | throw rld::error ("Section index not found: " + obj.name ().full (), |
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463 | "rap::object"); |
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464 | } |
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465 | |
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466 | image::image () |
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467 | : symtab_size (0), |
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468 | relocs_size (0) |
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469 | { |
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470 | /* |
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471 | * Set up the names of the sections. |
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472 | */ |
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473 | for (int s = 0; s < rap_secs; ++s) |
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474 | secs[s].name = section_names[s]; |
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475 | } |
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476 | |
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477 | void |
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478 | image::layout (const files::object_list& app_objects) |
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479 | { |
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480 | /* |
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481 | * Create the local objects which contain the layout information. |
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482 | */ |
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483 | for (files::object_list::const_iterator aoi = app_objects.begin (); |
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484 | aoi != app_objects.end (); |
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485 | ++aoi) |
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486 | { |
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487 | files::object& app_obj = *(*aoi); |
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488 | |
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489 | if (!app_obj.valid ()) |
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490 | throw rld::error ("Not valid: " + app_obj.name ().full (), |
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491 | "rap::layout"); |
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492 | |
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493 | objs.push_back (object (app_obj)); |
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494 | } |
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495 | |
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496 | for (int s = 0; s < rap_secs; ++s) |
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497 | { |
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498 | secs[s].size = 0; |
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499 | secs[s].offset = 0; |
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500 | secs[s].align = 0; |
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501 | } |
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502 | |
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503 | for (objects::iterator oi = objs.begin (); |
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504 | oi != objs.end (); |
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505 | ++oi) |
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506 | { |
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507 | object& obj = *oi; |
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508 | |
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509 | secs[rap_text] += obj.secs[rap_text]; |
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510 | secs[rap_const] += obj.secs[rap_const]; |
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511 | secs[rap_ctor] += obj.secs[rap_ctor]; |
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512 | secs[rap_dtor] += obj.secs[rap_dtor]; |
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513 | secs[rap_data] += obj.secs[rap_data]; |
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514 | secs[rap_bss] += obj.secs[rap_bss]; |
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515 | |
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516 | symtab_size = 0; |
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517 | strtab.clear (); |
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518 | |
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519 | uint32_t sym_count = 0; |
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520 | |
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521 | symbols::pointers& esyms = obj.obj.external_symbols (); |
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522 | for (symbols::pointers::const_iterator ei = esyms.begin (); |
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523 | ei != esyms.end (); |
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524 | ++ei, ++sym_count) |
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525 | { |
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526 | const symbols::symbol& sym = *(*ei); |
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527 | |
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528 | if ((sym.type () == STT_OBJECT) || (sym.type () == STT_FUNC)) |
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529 | { |
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530 | if ((sym.binding () == STB_GLOBAL) || (sym.binding () == STB_WEAK)) |
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531 | { |
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532 | externs.push_back (external (sym_count, |
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533 | obj.find (sym.index ()), |
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534 | sym.value (), |
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535 | sym.info ())); |
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536 | symtab_size += external::rap_size; |
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537 | strtab += sym.name (); |
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538 | strtab += '\0'; |
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539 | } |
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540 | } |
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541 | } |
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542 | |
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543 | relocs_size += obj.relocs_size; |
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544 | } |
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545 | |
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546 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
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547 | { |
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548 | uint32_t total = (secs[rap_text].size + secs[rap_data].size + |
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549 | secs[rap_data].size + secs[rap_bss].size + |
---|
550 | symtab_size + strtab.size() + relocs_size); |
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551 | std::cout << "rap::layout: total:" << total |
---|
552 | << " text:" << secs[rap_text].size |
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553 | << " const:" << secs[rap_const].size |
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554 | << " ctor:" << secs[rap_ctor].size |
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555 | << " dtor:" << secs[rap_dtor].size |
---|
556 | << " data:" << secs[rap_data].size |
---|
557 | << " bss:" << secs[rap_bss].size |
---|
558 | << " symbols:" << symtab_size << " (" << externs.size () << ')' |
---|
559 | << " strings:" << strtab.size () |
---|
560 | << " relocs:" << relocs_size |
---|
561 | << std::endl; |
---|
562 | } |
---|
563 | } |
---|
564 | |
---|
565 | /** |
---|
566 | * Helper for for_each to write out the various sections. |
---|
567 | */ |
---|
568 | class section_writer: |
---|
569 | public std::unary_function < object, void > |
---|
570 | { |
---|
571 | public: |
---|
572 | |
---|
573 | section_writer (image& img, |
---|
574 | compress::compressor& comp, |
---|
575 | sections sec); |
---|
576 | |
---|
577 | void operator () (object& obj); |
---|
578 | |
---|
579 | private: |
---|
580 | |
---|
581 | image& img; |
---|
582 | compress::compressor& comp; |
---|
583 | sections sec; |
---|
584 | }; |
---|
585 | |
---|
586 | section_writer::section_writer (image& img, |
---|
587 | compress::compressor& comp, |
---|
588 | sections sec) |
---|
589 | : img (img), |
---|
590 | comp (comp), |
---|
591 | sec (sec) |
---|
592 | { |
---|
593 | } |
---|
594 | |
---|
595 | void |
---|
596 | section_writer::operator () (object& obj) |
---|
597 | { |
---|
598 | switch (sec) |
---|
599 | { |
---|
600 | case rap_text: |
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601 | img.write (comp, obj.obj, obj.text); |
---|
602 | break; |
---|
603 | case rap_const: |
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604 | img.write (comp, obj.obj, obj.const_); |
---|
605 | break; |
---|
606 | case rap_ctor: |
---|
607 | img.write (comp, obj.obj, obj.ctor); |
---|
608 | break; |
---|
609 | case rap_dtor: |
---|
610 | img.write (comp, obj.obj, obj.dtor); |
---|
611 | break; |
---|
612 | case rap_data: |
---|
613 | img.write (comp, obj.obj, obj.data); |
---|
614 | break; |
---|
615 | default: |
---|
616 | break; |
---|
617 | } |
---|
618 | } |
---|
619 | |
---|
620 | void |
---|
621 | image::write (compress::compressor& comp, |
---|
622 | const std::string& init, |
---|
623 | const std::string& fini) |
---|
624 | { |
---|
625 | /* |
---|
626 | * Start with the machine type so the target can check the applicatiion |
---|
627 | * is ok and can be loaded. Add the init and fini labels to the string |
---|
628 | * table and add the references to the string table next. Follow this |
---|
629 | * with the section details then the string table and symbol table then |
---|
630 | * finally the relocation records. |
---|
631 | */ |
---|
632 | |
---|
633 | comp << elf::object_machine_type () |
---|
634 | << elf::object_datatype () |
---|
635 | << elf::object_class (); |
---|
636 | |
---|
637 | comp << (uint32_t) strtab.size (); |
---|
638 | strtab += init; |
---|
639 | strtab += '\0'; |
---|
640 | |
---|
641 | comp << (uint32_t) strtab.size (); |
---|
642 | strtab += fini; |
---|
643 | strtab += '\0'; |
---|
644 | |
---|
645 | comp << symtab_size |
---|
646 | << (uint32_t) strtab.size () |
---|
647 | << (uint32_t) 0; |
---|
648 | |
---|
649 | for (int s = 0; s < rap_secs; ++s) |
---|
650 | comp << secs[s].size |
---|
651 | << secs[s].align |
---|
652 | << secs[s].offset; |
---|
653 | |
---|
654 | /* |
---|
655 | * Output the sections from each object file. |
---|
656 | */ |
---|
657 | |
---|
658 | std::for_each (objs.begin (), objs.end (), |
---|
659 | section_writer (*this, comp, rap_text)); |
---|
660 | std::for_each (objs.begin (), objs.end (), |
---|
661 | section_writer (*this, comp, rap_const)); |
---|
662 | std::for_each (objs.begin (), objs.end (), |
---|
663 | section_writer (*this, comp, rap_ctor)); |
---|
664 | std::for_each (objs.begin (), objs.end (), |
---|
665 | section_writer (*this, comp, rap_dtor)); |
---|
666 | std::for_each (objs.begin (), objs.end (), |
---|
667 | section_writer (*this, comp, rap_data)); |
---|
668 | |
---|
669 | comp << strtab; |
---|
670 | |
---|
671 | for (externals::const_iterator ei = externs.begin (); |
---|
672 | ei != externs.end (); |
---|
673 | ++ei) |
---|
674 | { |
---|
675 | const external& ext = *ei; |
---|
676 | comp << (uint32_t) ((ext.sec << 16) | ext.data) |
---|
677 | << ext.name |
---|
678 | << ext.value; |
---|
679 | } |
---|
680 | } |
---|
681 | |
---|
682 | void |
---|
683 | image::write (compress::compressor& comp, |
---|
684 | files::object& obj, |
---|
685 | const files::sections& secs) |
---|
686 | { |
---|
687 | obj.open (); |
---|
688 | |
---|
689 | try |
---|
690 | { |
---|
691 | obj.begin (); |
---|
692 | for (files::sections::const_iterator si = secs.begin (); |
---|
693 | si != secs.end (); |
---|
694 | ++si) |
---|
695 | { |
---|
696 | const files::section& sec = *si; |
---|
697 | comp.write (obj, sec.offset, sec.size); |
---|
698 | } |
---|
699 | |
---|
700 | obj.end (); |
---|
701 | } |
---|
702 | catch (...) |
---|
703 | { |
---|
704 | obj.close (); |
---|
705 | throw; |
---|
706 | } |
---|
707 | |
---|
708 | obj.close (); |
---|
709 | } |
---|
710 | |
---|
711 | void |
---|
712 | write (files::image& app, |
---|
713 | const std::string& init, |
---|
714 | const std::string& fini, |
---|
715 | const files::object_list& app_objects, |
---|
716 | const symbols::table& /* symbols */) /* Add back for incremental |
---|
717 | * linking */ |
---|
718 | { |
---|
719 | compress::compressor compressor (app, 2 * 1024); |
---|
720 | image rap; |
---|
721 | |
---|
722 | rap.layout (app_objects); |
---|
723 | rap.write (compressor, init, fini); |
---|
724 | |
---|
725 | compressor.flush (); |
---|
726 | |
---|
727 | if (rld::verbose () >= RLD_VERBOSE_INFO) |
---|
728 | { |
---|
729 | int pcent = (compressor.compressed () * 100) / compressor.transferred (); |
---|
730 | int premand = (((compressor.compressed () * 1000) + 500) / |
---|
731 | compressor.transferred ()) % 10; |
---|
732 | std::cout << "rap: objects: " << app_objects.size () |
---|
733 | << ", size: " << compressor.compressed () |
---|
734 | << ", compression: " << pcent << '.' << premand << '%' |
---|
735 | << std::endl; |
---|
736 | } |
---|
737 | } |
---|
738 | |
---|
739 | } |
---|
740 | } |
---|