Mercurial > hg > CbC > CbC_gcc
annotate gcc/lto/lto-coff.c @ 63:b7f97abdc517 gcc-4.6-20100522
update gcc from gcc-4.5.0 to gcc-4.6
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Mon, 24 May 2010 12:47:05 +0900 |
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63
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1 /* LTO routines for COFF object files. |
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2 Copyright 2009 Free Software Foundation, Inc. |
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3 Contributed by Dave Korn. |
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4 |
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5 This file is part of GCC. |
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6 |
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7 GCC is free software; you can redistribute it and/or modify it under |
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8 the terms of the GNU General Public License as published by the Free |
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9 Software Foundation; either version 3, or (at your option) any later |
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10 version. |
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11 |
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with GCC; see the file COPYING3. If not see |
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19 <http://www.gnu.org/licenses/>. */ |
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20 |
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21 #include "config.h" |
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22 #include "system.h" |
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23 #include "coretypes.h" |
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24 #include "toplev.h" |
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25 #include "lto.h" |
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26 #include "tm.h" |
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27 #include "libiberty.h" |
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28 #include "ggc.h" |
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29 #include "lto-streamer.h" |
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30 #include "lto/lto-coff.h" |
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31 |
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32 |
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33 /* Rather than implementing a libcoff to match libelf, or attempting to |
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34 integrate libbfd into GCC, this file is a self-contained (and very |
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35 minimal) COFF format object file reader/writer. The generated files |
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36 will contain a COFF header, a number of COFF section headers, the |
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37 section data itself, and a trailing string table for section names. */ |
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38 |
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39 /* Handle opening elf files on hosts, such as Windows, that may use |
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40 text file handling that will break binary access. */ |
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41 |
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42 #ifndef O_BINARY |
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43 #define O_BINARY 0 |
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44 #endif |
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45 |
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46 /* Known header magics for validation, as an array. */ |
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47 |
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48 static const unsigned int coff_machine_array[] = COFF_KNOWN_MACHINES; |
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49 |
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50 /* Number of valid entries (no sentinel) in array. */ |
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51 |
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52 #define NUM_COFF_KNOWN_MACHINES \ |
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53 (sizeof (coff_machine_array) / sizeof (coff_machine_array[0])) |
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54 |
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55 /* Cached object file header. */ |
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56 |
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57 static Coff_header cached_coff_hdr; |
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58 |
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59 /* Flag to indicate if we have read and cached any header yet. */ |
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60 |
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61 static bool cached_coff_hdr_valid = false; |
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62 |
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63 /* The current output file. */ |
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64 |
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65 static lto_file *current_out_file; |
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66 |
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67 |
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68 /* Sets the current output file to FILE. Returns the old output file or |
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69 NULL. */ |
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70 |
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71 lto_file * |
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72 lto_set_current_out_file (lto_file *file) |
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73 { |
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74 lto_file *old_file = current_out_file; |
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75 current_out_file = file; |
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76 return old_file; |
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77 } |
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78 |
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79 |
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80 /* Returns the current output file. */ |
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81 |
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82 lto_file * |
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83 lto_get_current_out_file (void) |
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84 { |
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85 return current_out_file; |
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86 } |
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87 |
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88 |
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89 /* COFF section structure constructor. */ |
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90 |
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91 static lto_coff_section * |
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92 coff_newsection (lto_coff_file *file, const char *name, size_t type) |
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93 { |
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94 lto_coff_section *ptr, **chain_ptr_ptr; |
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95 |
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96 ptr = XCNEW (lto_coff_section); |
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97 ptr->name = name; |
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98 ptr->type = type; |
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99 |
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100 chain_ptr_ptr = &file->section_chain; |
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101 while (*chain_ptr_ptr) |
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102 chain_ptr_ptr = &(*chain_ptr_ptr)->next; |
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103 *chain_ptr_ptr = ptr; |
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104 |
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105 return ptr; |
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106 } |
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107 |
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108 |
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109 /* COFF section data block structure constructor. */ |
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110 |
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111 static lto_coff_data * |
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112 coff_newdata (lto_coff_section *sec) |
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113 { |
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114 lto_coff_data *ptr, **chain_ptr_ptr; |
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115 |
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116 ptr = XCNEW (lto_coff_data); |
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117 |
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118 chain_ptr_ptr = &sec->data_chain; |
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119 while (*chain_ptr_ptr) |
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120 chain_ptr_ptr = &(*chain_ptr_ptr)->next; |
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121 *chain_ptr_ptr = ptr; |
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122 |
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123 return ptr; |
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124 } |
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125 |
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126 |
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127 /* Initialize FILE, an LTO file object for FILENAME. */ |
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128 |
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129 static void |
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130 lto_file_init (lto_file *file, const char *filename, off_t offset) |
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131 { |
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132 file->filename = filename; |
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133 file->offset = offset; |
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134 } |
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135 |
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136 /* Return an error string after an error, or a predetermined one |
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137 if ERRCODE is not -1. */ |
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138 |
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139 static const char * |
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140 coff_errmsg (int errcode) |
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141 { |
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142 return strerror (errcode == -1 ? errno : errcode); |
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143 } |
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144 |
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145 /* Returns a hash code for P. */ |
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146 |
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147 static hashval_t |
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148 hash_name (const void *p) |
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149 { |
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150 const struct lto_section_slot *ds = (const struct lto_section_slot *) p; |
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151 return (hashval_t) htab_hash_string (ds->name); |
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152 } |
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153 |
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154 /* Returns nonzero if P1 and P2 are equal. */ |
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155 |
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156 static int |
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157 eq_name (const void *p1, const void *p2) |
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158 { |
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159 const struct lto_section_slot *s1 = |
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160 (const struct lto_section_slot *) p1; |
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161 const struct lto_section_slot *s2 = |
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162 (const struct lto_section_slot *) p2; |
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163 |
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164 return strcmp (s1->name, s2->name) == 0; |
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165 } |
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166 |
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167 |
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168 /* Build a hash table whose key is the section names and whose data is |
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169 the start and size of each section in the .o file. */ |
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170 |
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171 htab_t |
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172 lto_obj_build_section_table (lto_file *lto_file) |
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173 { |
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174 lto_coff_file *coff_file = (lto_coff_file *)lto_file; |
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175 lto_coff_section *sec; |
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176 htab_t section_hash_table; |
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177 ssize_t strtab_size; |
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178 char *strtab; |
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179 |
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180 section_hash_table = htab_create (37, hash_name, eq_name, free); |
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181 |
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182 /* Seek to start of string table. */ |
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183 if (coff_file->strtab_offs != lseek (coff_file->fd, |
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184 coff_file->base.offset + coff_file->strtab_offs, SEEK_SET)) |
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185 { |
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186 error ("altered or invalid COFF object file"); |
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187 return section_hash_table; |
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188 } |
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189 |
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190 strtab_size = coff_file->file_size - coff_file->strtab_offs; |
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191 strtab = XNEWVEC (char, strtab_size); |
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192 if (read (coff_file->fd, strtab, strtab_size) != strtab_size) |
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193 { |
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194 error ("invalid COFF object file string table"); |
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195 return section_hash_table; |
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196 } |
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197 |
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198 /* Scan sections looking at names. */ |
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199 COFF_FOR_ALL_SECTIONS(coff_file, sec) |
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200 { |
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201 struct lto_section_slot s_slot; |
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202 void **slot; |
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203 char *new_name; |
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204 int stringoffset; |
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205 char *name = (char *) &sec->coffsec.Name[0]; |
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206 |
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207 /* Skip dummy string section if by any chance we see it. */ |
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208 if (sec->type == 1) |
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209 continue; |
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210 |
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211 if (name[0] == '/') |
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212 { |
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213 if (1 != sscanf (&name[1], "%d", &stringoffset) |
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214 || stringoffset < 0 || stringoffset >= strtab_size) |
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215 { |
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216 error ("invalid COFF section name string"); |
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217 continue; |
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218 } |
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219 name = strtab + stringoffset; |
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220 } |
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221 else |
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222 { |
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223 /* If we cared about the VirtualSize field, we couldn't |
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224 crudely trash it like this to guarantee nul-termination |
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225 of the Name field. But we don't, so we do. */ |
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226 name[8] = 0; |
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227 } |
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228 if (strncmp (name, LTO_SECTION_NAME_PREFIX, |
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229 strlen (LTO_SECTION_NAME_PREFIX)) != 0) |
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230 continue; |
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231 |
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232 new_name = XNEWVEC (char, strlen (name) + 1); |
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233 strcpy (new_name, name); |
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234 s_slot.name = new_name; |
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235 slot = htab_find_slot (section_hash_table, &s_slot, INSERT); |
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236 if (*slot == NULL) |
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237 { |
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238 struct lto_section_slot *new_slot = XNEW (struct lto_section_slot); |
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239 |
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240 new_slot->name = new_name; |
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241 /* The offset into the file for this section. */ |
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242 new_slot->start = coff_file->base.offset |
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243 + COFF_GET(&sec->coffsec,PointerToRawData); |
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244 new_slot->len = COFF_GET(&sec->coffsec,SizeOfRawData); |
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245 *slot = new_slot; |
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246 } |
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247 else |
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248 { |
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249 error ("two or more sections for %s:", new_name); |
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250 return NULL; |
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251 } |
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252 } |
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253 |
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254 free (strtab); |
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255 return section_hash_table; |
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256 } |
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257 |
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258 |
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259 /* Begin a new COFF section named NAME with type TYPE in the current output |
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260 file. TYPE is an SHT_* macro from the libelf headers. */ |
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261 |
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262 static void |
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263 lto_coff_begin_section_with_type (const char *name, size_t type) |
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264 { |
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265 lto_coff_file *file; |
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266 size_t sh_name; |
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267 |
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268 /* Grab the current output file and do some basic assertion checking. */ |
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269 file = (lto_coff_file *) lto_get_current_out_file (), |
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270 gcc_assert (file); |
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271 gcc_assert (!file->scn); |
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272 |
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273 /* Create a new section. */ |
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274 file->scn = coff_newsection (file, name, type); |
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275 if (!file->scn) |
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276 fatal_error ("could not create a new COFF section: %s", coff_errmsg (-1)); |
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277 |
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278 /* Add a string table entry and record the offset. */ |
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279 gcc_assert (file->shstrtab_stream); |
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280 sh_name = file->shstrtab_stream->total_size; |
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281 lto_output_data_stream (file->shstrtab_stream, name, strlen (name) + 1); |
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282 |
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283 /* Initialize the section header. */ |
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284 file->scn->strtab_offs = sh_name; |
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285 } |
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286 |
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287 |
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288 /* Begin a new COFF section named NAME in the current output file. */ |
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289 |
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290 void |
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291 lto_obj_begin_section (const char *name) |
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292 { |
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293 lto_coff_begin_section_with_type (name, 0); |
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294 } |
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295 |
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296 |
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297 /* Append DATA of length LEN to the current output section. BASE is a pointer |
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298 to the output page containing DATA. It is freed once the output file has |
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299 been written. */ |
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300 |
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301 void |
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302 lto_obj_append_data (const void *data, size_t len, void *block) |
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303 { |
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304 lto_coff_file *file; |
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305 lto_coff_data *coff_data; |
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306 struct lto_char_ptr_base *base = (struct lto_char_ptr_base *) block; |
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307 |
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308 /* Grab the current output file and do some basic assertion checking. */ |
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309 file = (lto_coff_file *) lto_get_current_out_file (); |
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310 gcc_assert (file); |
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311 gcc_assert (file->scn); |
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312 |
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313 coff_data = coff_newdata (file->scn); |
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314 if (!coff_data) |
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315 fatal_error ("could not append data to COFF section: %s", coff_errmsg (-1)); |
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316 |
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317 coff_data->d_buf = CONST_CAST (void *, data); |
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318 coff_data->d_size = len; |
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319 |
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320 /* Chain all data blocks (from all sections) on one singly-linked |
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321 list for freeing en masse after the file is closed. */ |
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322 base->ptr = (char *)file->data; |
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323 file->data = base; |
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324 } |
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325 |
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326 |
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327 /* End the current output section. This just does some assertion checking |
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328 and sets the current output file's scn member to NULL. */ |
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329 |
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330 void |
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331 lto_obj_end_section (void) |
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parents:
diff
changeset
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332 { |
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parents:
diff
changeset
|
333 lto_coff_file *file; |
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parents:
diff
changeset
|
334 |
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parents:
diff
changeset
|
335 /* Grab the current output file and validate some basic assertions. */ |
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parents:
diff
changeset
|
336 file = (lto_coff_file *) lto_get_current_out_file (); |
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parents:
diff
changeset
|
337 gcc_assert (file); |
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parents:
diff
changeset
|
338 gcc_assert (file->scn); |
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parents:
diff
changeset
|
339 |
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parents:
diff
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|
340 file->scn = NULL; |
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parents:
diff
changeset
|
341 } |
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parents:
diff
changeset
|
342 |
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parents:
diff
changeset
|
343 |
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parents:
diff
changeset
|
344 /* Validate's COFF_FILE's executable header and, if cached_coff_hdr is |
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parents:
diff
changeset
|
345 uninitialized, caches the results. Also records the section header string |
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parents:
diff
changeset
|
346 table's section index. Returns true on success or false on failure. */ |
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parents:
diff
changeset
|
347 |
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parents:
diff
changeset
|
348 static bool |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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349 validate_file (lto_coff_file *coff_file) |
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parents:
diff
changeset
|
350 { |
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parents:
diff
changeset
|
351 size_t n, secnum; |
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parents:
diff
changeset
|
352 unsigned int numsections, secheaderssize, numsyms; |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
353 off_t sectionsstart, symbolsstart, stringsstart; |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
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354 unsigned int mach, charact; |
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parents:
diff
changeset
|
355 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
356 /* Read and sanity check the raw header. */ |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
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357 n = read (coff_file->fd, &coff_file->coffhdr, sizeof (coff_file->coffhdr)); |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
358 if (n != sizeof (coff_file->coffhdr)) |
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parents:
diff
changeset
|
359 { |
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parents:
diff
changeset
|
360 error ("not a COFF object file"); |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
361 return false; |
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parents:
diff
changeset
|
362 } |
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parents:
diff
changeset
|
363 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
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364 mach = COFF_GET(&coff_file->coffhdr, Machine); |
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parents:
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changeset
|
365 for (n = 0; n < NUM_COFF_KNOWN_MACHINES; n++) |
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parents:
diff
changeset
|
366 if (mach == coff_machine_array[n]) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
367 break; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
368 if (n == NUM_COFF_KNOWN_MACHINES) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
369 { |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
370 error ("not a recognized COFF object file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
371 return false; |
b7f97abdc517
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parents:
diff
changeset
|
372 } |
b7f97abdc517
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parents:
diff
changeset
|
373 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
374 charact = COFF_GET(&coff_file->coffhdr, Characteristics); |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
375 if (COFF_NOT_CHARACTERISTICS & charact) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
376 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
377 /* DLL, EXE or SYS file. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
378 error ("not a relocatable COFF object file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
379 return false; |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
380 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
381 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
382 if (mach != IMAGE_FILE_MACHINE_AMD64 |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
383 && COFF_CHARACTERISTICS != (COFF_CHARACTERISTICS & charact)) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
384 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
385 /* ECOFF/XCOFF support not implemented. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
386 error ("not a 32-bit COFF object file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
387 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
388 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
389 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
390 /* It validated OK, so cached it if we don't already have one. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
391 if (!cached_coff_hdr_valid) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
392 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
393 cached_coff_hdr_valid = true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
394 memcpy (&cached_coff_hdr, &coff_file->coffhdr, sizeof (cached_coff_hdr)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
395 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
396 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
397 if (mach != COFF_GET(&cached_coff_hdr, Machine)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
398 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
399 error ("inconsistent file architecture detected"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
400 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
401 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
402 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
403 /* Read section headers and string table? */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
404 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
405 numsections = COFF_GET(&coff_file->coffhdr, NumberOfSections); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
406 secheaderssize = numsections * sizeof (Coff_section); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
407 sectionsstart = sizeof (Coff_header) + secheaderssize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
408 symbolsstart = COFF_GET(&coff_file->coffhdr, PointerToSymbolTable); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
409 numsyms = COFF_GET(&coff_file->coffhdr, NumberOfSymbols); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
410 stringsstart = (symbolsstart + COFF_SYMBOL_SIZE * numsyms); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
411 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
412 #define CVOFFSETTTED(x) (coff_file->base.offset + (x)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
413 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
414 if (numsections <= 0 || symbolsstart <= 0 || numsyms <= 0 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
415 || (CVOFFSETTTED(sectionsstart) >= coff_file->file_size) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
416 || (CVOFFSETTTED(symbolsstart) >= coff_file->file_size) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
417 || (CVOFFSETTTED(stringsstart) >= coff_file->file_size)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
418 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
419 error ("not a valid COFF object file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
420 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
421 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
422 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
423 #undef CVOFFSETTTED |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
424 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
425 /* Record start of string table. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
426 coff_file->strtab_offs = stringsstart; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
427 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
428 /* Validate section table entries. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
429 for (secnum = 0; secnum < numsections; secnum++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
430 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
431 Coff_section coffsec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
432 lto_coff_section *ltosec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
433 off_t size_raw, offs_raw, offs_relocs, offs_lines; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
434 off_t num_relocs, num_lines; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
435 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
436 n = read (coff_file->fd, &coffsec, sizeof (coffsec)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
437 if (n != sizeof (coffsec)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
438 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
439 error ("short/missing COFF section table"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
440 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
441 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
442 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
443 size_raw = COFF_GET(&coffsec, SizeOfRawData); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
444 offs_raw = COFF_GET(&coffsec, PointerToRawData); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 offs_relocs = COFF_GET(&coffsec, PointerToRelocations); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 offs_lines = COFF_GET(&coffsec, PointerToLinenumbers); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 num_relocs = COFF_GET(&coffsec, NumberOfRelocations); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
448 num_lines = COFF_GET(&coffsec, NumberOfLinenumbers); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
450 if (size_raw < 0 || num_relocs < 0 || num_lines < 0 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 || (size_raw |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 && ((COFF_GET(&coffsec, Characteristics) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 & IMAGE_SCN_CNT_UNINITIALIZED_DATA) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 ? (offs_raw != 0) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 : (offs_raw < sectionsstart || offs_raw >= coff_file->file_size))) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 || (num_relocs |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
457 && (offs_relocs < sectionsstart |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 || offs_relocs >= coff_file->file_size)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 || (num_lines |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 && (offs_lines < sectionsstart |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461 || offs_lines >= coff_file->file_size))) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
462 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463 error ("invalid COFF section table"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
467 /* Looks ok, so record its details. We don't read the |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 string table or set up names yet; we'll do that when |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
469 we build the hash table. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
470 ltosec = coff_newsection (coff_file, NULL, 0); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 memcpy (<osec->coffsec, &coffsec, sizeof (ltosec->coffsec)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
476 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477 /* Initialize COFF_FILE's executable header using cached data from previously |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
478 read files. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 static void |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
481 init_coffhdr (lto_coff_file *coff_file) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 gcc_assert (cached_coff_hdr_valid); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 memset (&coff_file->coffhdr, 0, sizeof (coff_file->coffhdr)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 COFF_PUT(&coff_file->coffhdr, Machine, COFF_GET(&cached_coff_hdr, Machine)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
486 COFF_PUT(&coff_file->coffhdr, Characteristics, COFF_GET(&cached_coff_hdr, Characteristics)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 /* Open COFF file FILENAME. If WRITABLE is true, the file is opened for write |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
490 and, if necessary, created. Otherwise, the file is opened for reading. |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 Returns the opened file. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
493 lto_file * |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 lto_obj_file_open (const char *filename, bool writable) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
496 lto_coff_file *coff_file; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
497 lto_file *result = NULL; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 off_t offset; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
499 const char *offset_p; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 char *fname; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 struct stat statbuf; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 offset_p = strchr (filename, '@'); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 if (!offset_p) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
505 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
506 fname = xstrdup (filename); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 offset = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
509 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
510 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 /* The file started with '@' is a file containing command line |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 options. Stop if it doesn't exist. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 if (offset_p == filename) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 fatal_error ("command line option file '%s' does not exist", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 filename); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
517 fname = (char *) xmalloc (offset_p - filename + 1); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
518 memcpy (fname, filename, offset_p - filename); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 fname[offset_p - filename] = '\0'; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
520 offset_p += 3; /* skip the @0x */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 offset = lto_parse_hex (offset_p); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
522 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
524 /* Set up. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
525 coff_file = XCNEW (lto_coff_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
526 result = (lto_file *) coff_file; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
527 lto_file_init (result, fname, offset); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 coff_file->fd = -1; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
530 /* Open the file. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
531 coff_file->fd = open (fname, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
532 O_BINARY | (writable ? O_WRONLY | O_CREAT | O_TRUNC : O_RDONLY), 0666); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
533 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 if (coff_file->fd == -1) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
535 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
536 error ("could not open file %s", fname); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 if (stat (fname, &statbuf) < 0) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 error ("could not stat file %s", fname); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 coff_file->file_size = statbuf.st_size; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 if (offset != 0) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
550 char ar_tail[12]; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
551 int size; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
552 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
553 /* Surely not? */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
554 gcc_assert (!writable); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
555 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
556 /* Seek to offset, or error. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
557 if (lseek (coff_file->fd, offset, SEEK_SET) != (ssize_t) offset) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
558 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
559 error ("could not find archive member @0x%lx", (long) offset); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
560 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
561 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
562 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
563 /* Now seek back 12 chars and read the tail of the AR header to |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
564 find the length of the member file. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
565 if (lseek (coff_file->fd, -12, SEEK_CUR) < 0 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
566 || read (coff_file->fd, ar_tail, 12) != 12 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
567 || lseek (coff_file->fd, 0, SEEK_CUR) != (ssize_t) offset |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
568 || ar_tail[10] != '`' || ar_tail[11] != '\n') |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
569 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
570 error ("could not find archive header @0x%lx", (long) offset); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
571 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
572 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
573 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
574 ar_tail[11] = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
575 if (sscanf (ar_tail, "%d", &size) != 1) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
576 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
577 error ("invalid archive header @0x%lx", (long) offset); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
578 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
579 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
580 coff_file->file_size = size; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
581 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
582 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
583 if (writable) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
584 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
585 init_coffhdr (coff_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
586 coff_file->shstrtab_stream = XCNEW (struct lto_output_stream); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
587 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
588 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
589 if (!validate_file (coff_file)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
590 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
591 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
592 return result; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
593 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
594 fail: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
595 if (result) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
596 lto_obj_file_close (result); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
597 return NULL; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
598 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
599 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
600 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
601 /* Close COFF file FILE and clean up any associated data structures. If FILE |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
602 was opened for writing, the file's COFF data is written at this time, and |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
603 any cached data buffers are freed. Return TRUE if there was an error. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
604 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
605 static bool |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
606 coff_write_object_file (lto_coff_file *coff_file) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
607 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
608 lto_coff_section *cursec, *stringsec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
609 lto_coff_data *data; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
610 size_t fileoffset, numsections, totalsecsize, numsyms, stringssize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
611 bool write_err = false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
612 int secnum; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
613 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
614 /* Infer whether this file was opened for reading or writing from the |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
615 presence or absense of an initialised stream for the string table; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
616 do nothing if it was opened for reading. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
617 if (!coff_file->shstrtab_stream) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
618 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
619 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
620 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
621 /* Write the COFF string table into a dummy new section that |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
622 we will not write a header for. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
623 lto_file *old_file = lto_set_current_out_file (&coff_file->base); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
624 /* This recursively feeds in the data to a new section. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
625 lto_coff_begin_section_with_type (".strtab", 1); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
626 lto_write_stream (coff_file->shstrtab_stream); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
627 lto_obj_end_section (); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
628 lto_set_current_out_file (old_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
629 free (coff_file->shstrtab_stream); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
630 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
631 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
632 /* Layout the file. Count sections (not dummy string section) and calculate |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
633 data size for all of them. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
634 numsections = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
635 totalsecsize = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
636 stringssize = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
637 stringsec = NULL; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
638 COFF_FOR_ALL_SECTIONS(coff_file, cursec) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
639 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
640 lto_coff_data *data; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
641 size_t cursecsize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
642 cursecsize = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
643 COFF_FOR_ALL_DATA(cursec,data) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
644 cursecsize += data->d_size; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
645 if (cursec->type == 0) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
646 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
647 ++numsections; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
648 totalsecsize += COFF_ALIGN(cursecsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
649 #if COFF_ALIGNMENT > 1 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
650 cursec->pad_needed = COFF_ALIGN(cursecsize) - cursecsize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
651 #endif |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
652 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
653 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
654 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
655 stringssize = cursecsize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
656 stringsec = cursec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
657 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
658 COFF_PUT(&cursec->coffsec, SizeOfRawData, cursecsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
659 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
660 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
661 /* There is a file symbol and a section symbol per section, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
662 and each of these has a single auxiliary symbol following. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
663 numsyms = 2 * (1 + numsections); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
664 |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
665 /* Great! Now we have enough info to fill out the file header. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
666 COFF_PUT(&coff_file->coffhdr, NumberOfSections, numsections); |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
667 COFF_PUT(&coff_file->coffhdr, NumberOfSymbols, numsyms); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
668 COFF_PUT(&coff_file->coffhdr, PointerToSymbolTable, sizeof (Coff_header) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
669 + numsections * sizeof (Coff_section) + totalsecsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
670 /* The remaining members were initialised to zero or copied from |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
671 a cached header, so we leave them alone here. */ |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
672 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
673 /* Now position all the sections, and fill out their headers. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
674 fileoffset = sizeof (Coff_header) + numsections * sizeof (Coff_section); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
675 COFF_FOR_ALL_SECTIONS(coff_file, cursec) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
676 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
677 /* Skip dummy string section. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
678 if (cursec->type == 1) |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
679 continue; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
680 COFF_PUT(&cursec->coffsec, PointerToRawData, fileoffset); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
681 fileoffset += COFF_ALIGN (COFF_GET(&cursec->coffsec, SizeOfRawData)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
682 COFF_PUT(&cursec->coffsec, Characteristics, COFF_SECTION_CHARACTERISTICS); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
683 snprintf ((char *)&cursec->coffsec.Name[0], 8, "/%d", cursec->strtab_offs + 4); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
684 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
685 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
686 /* We can write the data now. As there's no way to indicate an error return |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
687 from this hook, error handling is limited to not wasting our time doing |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
688 any more writes in the event that any one fails. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
689 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
690 /* Write the COFF header. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
691 write_err = (write (coff_file->fd, &coff_file->coffhdr, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
692 sizeof (coff_file->coffhdr)) != sizeof (coff_file->coffhdr)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
693 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
694 /* Write the COFF section headers. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
695 COFF_FOR_ALL_SECTIONS(coff_file, cursec) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
696 if (cursec->type == 1) /* Skip dummy string section. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
697 continue; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
698 else if (!write_err) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
699 write_err = (write (coff_file->fd, &cursec->coffsec, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
700 sizeof (cursec->coffsec)) != sizeof (cursec->coffsec)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
701 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
702 break; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
703 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
704 /* Write the COFF sections. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
705 COFF_FOR_ALL_SECTIONS(coff_file, cursec) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
706 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
707 #if COFF_ALIGNMENT > 1 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
708 static const char padzeros[COFF_ALIGNMENT] = { 0 }; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
709 #endif |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
710 /* Skip dummy string section. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
711 if (cursec->type == 1) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
712 continue; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
713 COFF_FOR_ALL_DATA(cursec, data) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
714 if (!write_err) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
715 write_err = (write (coff_file->fd, data->d_buf, data->d_size) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
716 != data->d_size); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
717 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
718 break; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
719 #if COFF_ALIGNMENT > 1 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
720 if (!write_err && cursec->pad_needed) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
721 write_err = (write (coff_file->fd, padzeros, cursec->pad_needed) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
722 != cursec->pad_needed); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
723 #endif |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
724 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
725 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
726 /* Write the COFF symbol table. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
727 if (!write_err) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
728 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
729 union |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
730 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
731 Coff_symbol sym; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
732 Coff_aux_sym_file file; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
733 Coff_aux_sym_section sec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
734 } symbols[2]; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
735 memset (&symbols[0], 0, sizeof (symbols)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
736 strcpy ((char *) &symbols[0].sym.Name[0], ".file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
737 COFF_PUT(&symbols[0].sym, SectionNumber, IMAGE_SYM_DEBUG); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
738 COFF_PUT(&symbols[0].sym, Type, IMAGE_SYM_TYPE); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
739 symbols[0].sym.StorageClass[0] = IMAGE_SYM_CLASS_FILE; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
740 symbols[0].sym.NumberOfAuxSymbols[0] = 1; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
741 snprintf ((char *)symbols[1].file.FileName, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
742 sizeof (symbols[1].file.FileName), |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
743 "%s", lbasename (coff_file->base.filename)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
744 write_err = (write (coff_file->fd, &symbols[0], sizeof (symbols)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
745 != (2 * COFF_SYMBOL_SIZE)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
746 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
747 /* Set up constant parts for section sym loop. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
748 memset (&symbols[0], 0, sizeof (symbols)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
749 COFF_PUT(&symbols[0].sym, Type, IMAGE_SYM_TYPE); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
750 symbols[0].sym.StorageClass[0] = IMAGE_SYM_CLASS_STATIC; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
751 symbols[0].sym.NumberOfAuxSymbols[0] = 1; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
752 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
753 secnum = 1; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
754 if (!write_err) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
755 COFF_FOR_ALL_SECTIONS(coff_file, cursec) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
756 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
757 /* Skip dummy string section. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
758 if (cursec->type == 1) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
759 continue; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
760 /* Reuse section name string for section symbol name. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
761 COFF_PUT_NDXSZ(&symbols[0].sym, Name, 0, 0, 4); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
762 COFF_PUT_NDXSZ(&symbols[0].sym, Name, cursec->strtab_offs + 4, 4, 4); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
763 COFF_PUT(&symbols[0].sym, SectionNumber, secnum++); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
764 COFF_PUT(&symbols[1].sec, Length, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
765 COFF_GET(&cursec->coffsec, SizeOfRawData)); |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
766 if (!write_err) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
767 write_err = (write (coff_file->fd, &symbols[0], sizeof (symbols)) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
768 != (2 * COFF_SYMBOL_SIZE)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
769 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
770 break; |
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parents:
diff
changeset
|
771 } |
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parents:
diff
changeset
|
772 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
773 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
774 /* Write the COFF string table. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
775 if (!write_err) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
776 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
777 unsigned char outlen[4]; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
778 COFF_PUT4(outlen, stringssize + 4); |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
779 if (!write_err) |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
780 write_err = (write (coff_file->fd, outlen, 4) != 4); |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
781 if (stringsec) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
782 COFF_FOR_ALL_DATA(stringsec, data) |
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parents:
diff
changeset
|
783 if (!write_err) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
784 write_err = (write (coff_file->fd, data->d_buf, data->d_size) |
b7f97abdc517
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parents:
diff
changeset
|
785 != data->d_size); |
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parents:
diff
changeset
|
786 else |
b7f97abdc517
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parents:
diff
changeset
|
787 break; |
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parents:
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changeset
|
788 } |
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parents:
diff
changeset
|
789 |
b7f97abdc517
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parents:
diff
changeset
|
790 return write_err; |
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parents:
diff
changeset
|
791 } |
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parents:
diff
changeset
|
792 |
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parents:
diff
changeset
|
793 /* Close COFF file FILE and clean up any associated data structures. If FILE |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
794 was opened for writing, the file's COFF data is written at this time, and |
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parents:
diff
changeset
|
795 any cached data buffers are freed. */ |
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parents:
diff
changeset
|
796 |
b7f97abdc517
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parents:
diff
changeset
|
797 void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
798 lto_obj_file_close (lto_file *file) |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
799 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
800 lto_coff_file *coff_file = (lto_coff_file *) file; |
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parents:
diff
changeset
|
801 struct lto_char_ptr_base *cur, *tmp; |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
802 lto_coff_section *cursec, *nextsec; |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
803 bool write_err = false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
804 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
805 /* Write the COFF string table into a dummy new section that |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
806 we will not write a header for. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
807 if (coff_file->shstrtab_stream) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
808 coff_write_object_file (coff_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
809 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
810 /* Close the file, we're done. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
811 if (coff_file->fd != -1) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
812 close (coff_file->fd); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
813 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
814 /* Free any data buffers. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
815 cur = coff_file->data; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
816 while (cur) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
817 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
818 tmp = cur; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
819 cur = (struct lto_char_ptr_base *) cur->ptr; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
820 free (tmp); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
821 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
822 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
823 /* Free any sections and their data chains. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
824 cursec = coff_file->section_chain; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
825 while (cursec) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
826 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
827 lto_coff_data *curdata, *nextdata; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
828 nextsec = cursec->next; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
829 curdata = cursec->data_chain; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
830 while (curdata) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
831 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
832 nextdata = curdata->next; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
833 free (curdata); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
834 curdata = nextdata; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
835 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
836 free (cursec); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
837 cursec = nextsec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
838 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
839 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
840 free (file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
841 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
842 /* If there was an error, mention it. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
843 if (write_err) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
844 error ("I/O error writing COFF output file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
845 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
846 |