Mercurial > hg > CbC > CbC_gcc
annotate gcc/lto/lto-macho.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 Mach-O object files. |
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2 Copyright 2010 Free Software Foundation, Inc. |
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3 Contributed by Steven Bosscher. |
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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 "lto-streamer.h" |
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29 #include "lto/lto-endian.h" |
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30 #include "lto/lto-macho.h" |
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31 |
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32 /* Rather than implementing a libmacho to match libelf, or attempting to |
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33 integrate libbfd into GCC, this file is a self-contained (and very |
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34 minimal) Mach-O format object file reader/writer. The generated files |
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35 will contain a Mach-O header, a number of Mach-O load commands an |
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36 section headers, the section data itself, and a trailing string table |
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37 for section names. */ |
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38 |
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39 /* This needs to be kept in sync with darwin.c. Better yet, lto-macho.c |
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40 and lto-macho.h should be moved to config/, and likewise for lto-coff.* |
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41 and lto-elf.*. */ |
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42 |
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43 /* Segment name for LTO sections. */ |
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44 #define LTO_SEGMENT_NAME "__GNU_LTO" |
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45 |
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46 /* Section name for LTO section names section. */ |
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47 #define LTO_NAMES_SECTION "__section_names" |
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48 |
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49 /* Handle opening elf files on hosts, such as Windows, that may use |
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50 text file handling that will break binary access. */ |
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51 #ifndef O_BINARY |
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52 # define O_BINARY 0 |
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53 #endif |
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54 |
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55 /* Cached object file header. We use a header_64 for this, since all |
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56 the fields we need are in there, in the same position as header_32. */ |
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57 mach_o_header_64 cached_mach_o_header; |
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58 uint32_t cached_mach_o_magic; |
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59 |
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60 /* The current output file. */ |
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61 static lto_file *current_out_file; |
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62 |
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63 |
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64 /* Is this a 32-bits or 64-bits Mach-O object file? */ |
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65 static int |
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66 mach_o_word_size (void) |
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67 { |
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68 gcc_assert (cached_mach_o_magic != 0); |
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69 return (cached_mach_o_magic == MACH_O_MH_MAGIC_64 |
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70 || cached_mach_o_magic == MACH_O_MH_CIGAM_64) ? 64 : 32; |
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71 } |
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72 |
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73 /* Sets the current output file to FILE. Returns the old output file or |
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74 NULL. */ |
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75 |
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76 lto_file * |
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77 lto_set_current_out_file (lto_file *file) |
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78 { |
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79 lto_file *old_file = current_out_file; |
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80 current_out_file = file; |
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81 return old_file; |
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82 } |
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83 |
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84 |
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85 /* Returns the current output file. */ |
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86 |
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87 lto_file * |
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88 lto_get_current_out_file (void) |
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89 { |
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90 return current_out_file; |
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91 } |
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92 |
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93 /* Mach-O section structure constructor. */ |
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94 |
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95 static lto_mach_o_section |
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96 mach_o_new_section (lto_mach_o_file *mach_o_file, const char *name) |
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97 { |
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98 lto_mach_o_section ptr; |
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99 |
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100 /* FIXME We could allocate these things on an obstack. */ |
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101 ptr = XCNEW (struct lto_mach_o_section_d); |
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102 if (name) |
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103 { |
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104 if (strncmp (name, LTO_SECTION_NAME_PREFIX, |
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105 strlen(LTO_SECTION_NAME_PREFIX)) != 0) |
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106 sorry ("not implemented: Mach-O writer for non-LTO sections"); |
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107 ptr->name = xstrdup (name); |
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108 } |
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109 |
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110 VEC_safe_push (lto_mach_o_section, heap, mach_o_file->section_vec, ptr); |
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111 |
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112 return ptr; |
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113 } |
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114 |
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115 /* Mach-O section data block structure constructor. */ |
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116 |
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117 static lto_mach_o_data |
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118 mach_o_new_data (lto_mach_o_section sec) |
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119 { |
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120 lto_mach_o_data ptr, *chain_ptr_ptr; |
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121 |
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122 /* FIXME We could allocate these things on an obstack. */ |
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123 ptr = XCNEW (struct lto_mach_o_data_d); |
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124 |
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125 chain_ptr_ptr = &sec->data_chain; |
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126 while (*chain_ptr_ptr) |
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127 chain_ptr_ptr = &(*chain_ptr_ptr)->next; |
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128 *chain_ptr_ptr = ptr; |
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129 |
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130 return ptr; |
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131 } |
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132 |
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133 /* Initialize FILE, an LTO file object for FILENAME. Offset is the |
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134 offset into FILE where the object is located (e.g. in an archive). */ |
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135 |
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136 static void |
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137 lto_file_init (lto_file *file, const char *filename, off_t offset) |
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138 { |
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139 file->filename = filename; |
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140 file->offset = offset; |
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141 } |
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142 |
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143 /* Return an error string after an error, or a predetermined one |
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144 if ERRCODE is not -1. */ |
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145 |
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146 static const char * |
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147 mach_o_errmsg (int errcode) |
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148 { |
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149 return strerror (errcode == -1 ? errno : errcode); |
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150 } |
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151 |
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152 /* Returns a hash code for P. */ |
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153 |
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154 static hashval_t |
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155 hash_name (const void *p) |
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156 { |
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157 const struct lto_section_slot *s = (const struct lto_section_slot *) p; |
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158 return (hashval_t) htab_hash_string (s->name); |
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159 } |
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160 |
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161 /* Returns nonzero if P1 and P2 are equal. */ |
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162 |
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163 static int |
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164 eq_name (const void *p1, const void *p2) |
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165 { |
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166 const struct lto_section_slot *s1 = |
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167 (const struct lto_section_slot *) p1; |
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168 const struct lto_section_slot *s2 = |
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169 (const struct lto_section_slot *) p2; |
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170 |
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171 return strcmp (s1->name, s2->name) == 0; |
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172 } |
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173 |
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174 /* Build a hash table whose key is the section names and whose data is |
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175 the start and size of each section in the .o file. */ |
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176 |
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177 htab_t |
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178 lto_obj_build_section_table (lto_file *lto_file) |
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179 { |
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180 lto_mach_o_file *mach_o_file = (lto_mach_o_file *)lto_file; |
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181 lto_mach_o_section sec; |
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182 htab_t section_hash_table; |
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183 off_t strtab_offs; |
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184 ssize_t strtab_size; |
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185 char *strtab = NULL; |
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186 int i; |
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187 |
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188 section_hash_table = htab_create (37, hash_name, eq_name, free); |
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189 |
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190 /* Seek the string table. */ |
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191 /* FIXME The segment name should be in darwin.h, but can we include it |
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192 here in this file? */ |
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193 for (i = 0; |
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194 VEC_iterate (lto_mach_o_section, mach_o_file->section_vec, i, sec); |
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195 i++) |
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196 { |
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197 if (strncmp (sec->u.section.segname, "__GNU_LTO", 16) != 0) |
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198 continue; |
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199 if (strncmp (sec->u.section.sectname, "__section_names", 16) == 0) |
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200 break; |
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201 } |
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202 if (! sec) |
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203 { |
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204 error ("invalid Mach-O LTO object file: no __section_names section found"); |
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205 goto done; |
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206 } |
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207 mach_o_file->section_names_section = sec; |
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208 |
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209 if (mach_o_word_size () == 64) |
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210 { |
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211 strtab_offs = (off_t) get_uint32 (&sec->u.section_64.offset[0]); |
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212 strtab_size = (size_t) get_uint64 (&sec->u.section_64.size[0]); |
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213 } |
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214 else |
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215 { |
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216 strtab_offs = (off_t) get_uint32 (&sec->u.section_32.offset[0]); |
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217 strtab_size = (size_t) get_uint32 (&sec->u.section_32.size[0]); |
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diff
changeset
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218 } |
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changeset
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219 |
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parents:
diff
changeset
|
220 /* Seek to start of string table. */ |
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parents:
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changeset
|
221 if (strtab_offs != lseek (mach_o_file->fd, |
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parents:
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222 mach_o_file->base.offset + strtab_offs, |
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parents:
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|
223 SEEK_SET)) |
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parents:
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changeset
|
224 { |
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|
225 error ("altered or invalid Mach-O object file"); |
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226 goto done; |
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parents:
diff
changeset
|
227 } |
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parents:
diff
changeset
|
228 |
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229 strtab = XNEWVEC (char, strtab_size); |
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230 if (read (mach_o_file->fd, strtab, strtab_size) != strtab_size) |
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parents:
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changeset
|
231 { |
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parents:
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|
232 error ("invalid Mach-O LTO object file __section_names section"); |
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parents:
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233 goto done; |
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parents:
diff
changeset
|
234 } |
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parents:
diff
changeset
|
235 |
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parents:
diff
changeset
|
236 /* Scan sections looking at names. */ |
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parents:
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changeset
|
237 for (i = 0; |
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parents:
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|
238 VEC_iterate (lto_mach_o_section, mach_o_file->section_vec, i, sec); |
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parents:
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|
239 i++) |
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parents:
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changeset
|
240 { |
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parents:
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|
241 struct lto_section_slot s_slot; |
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parents:
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|
242 void **slot; |
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|
243 char *new_name; |
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|
244 unsigned long stringoffset; |
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parents:
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|
245 char name[17]; |
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|
246 |
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|
247 /* Ignore non-LTO sections. Also ignore the __section_names section |
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|
248 which does not need renaming. */ |
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parents:
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|
249 if (strncmp (sec->u.section.segname, "__GNU_LTO", 16) != 0) |
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parents:
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|
250 continue; |
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parents:
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changeset
|
251 if (sec == mach_o_file->section_names_section) |
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parents:
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|
252 continue; |
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|
253 |
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parents:
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changeset
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254 /* Try to extract the offset of the real name for this section from |
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parents:
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changeset
|
255 __section_names. */ |
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parents:
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changeset
|
256 memcpy (&name[0], sec->u.section.sectname, 16); |
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parents:
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changeset
|
257 name[16] = '\0'; |
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parents:
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changeset
|
258 if (name[0] != '_' || name[1] != '_' |
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parents:
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changeset
|
259 || sscanf (&name[2], "%08lX", &stringoffset) != 1 |
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parents:
diff
changeset
|
260 || strtab_size < (ssize_t) stringoffset) |
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parents:
diff
changeset
|
261 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
262 error ("invalid Mach-O LTO section name string: %s", name); |
b7f97abdc517
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parents:
diff
changeset
|
263 continue; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
264 } |
b7f97abdc517
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parents:
diff
changeset
|
265 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
266 new_name = XNEWVEC (char, strlen (strtab + stringoffset) + 1); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
267 strcpy (new_name, strtab + stringoffset); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
268 s_slot.name = new_name; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
269 slot = htab_find_slot (section_hash_table, &s_slot, INSERT); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
270 if (*slot == NULL) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
271 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
272 struct lto_section_slot *new_slot = XNEW (struct lto_section_slot); |
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parents:
diff
changeset
|
273 |
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parents:
diff
changeset
|
274 new_slot->name = new_name; |
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parents:
diff
changeset
|
275 if (mach_o_word_size() == 64) |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
276 { |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
277 new_slot->start = |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
278 (intptr_t) get_uint32 (&sec->u.section_64.offset[0]); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
279 new_slot->len = |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
280 (size_t) get_uint64 (&sec->u.section_64.size[0]); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
281 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
282 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
283 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
284 new_slot->start = |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
285 (intptr_t) get_uint32 (&sec->u.section_32.offset[0]); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
286 new_slot->len = |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
287 (size_t) get_uint32 (&sec->u.section_32.size[0]); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
288 } |
b7f97abdc517
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parents:
diff
changeset
|
289 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
290 *slot = new_slot; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
291 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
292 else |
b7f97abdc517
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parents:
diff
changeset
|
293 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
294 error ("two or more sections for %s:", new_name); |
b7f97abdc517
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parents:
diff
changeset
|
295 goto done; |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
296 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
297 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
298 |
b7f97abdc517
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parents:
diff
changeset
|
299 done: |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
300 if (strtab) |
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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
|
301 free (strtab); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
302 return section_hash_table; |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
303 } |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
304 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
305 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
306 /* Begin a new Mach-O section named NAME in the current output file. */ |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
307 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
308 void |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
309 lto_obj_begin_section (const char *name) |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
310 { |
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parents:
diff
changeset
|
311 lto_mach_o_file *file; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
312 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
313 if (strncmp (name, LTO_SECTION_NAME_PREFIX, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
314 strlen(LTO_SECTION_NAME_PREFIX)) != 0) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
315 sorry ("not implemented: Mach-O writer for non-LTO sections"); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
316 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
317 /* Grab the current output file and do some basic assertion checking. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
318 file = (lto_mach_o_file *) lto_get_current_out_file (), |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
319 gcc_assert (file && file->writable && !file->scn); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
320 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
321 /* Create a new section. */ |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
322 file->scn = mach_o_new_section (file, name); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
323 if (!file->scn) |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
324 fatal_error ("could not create a new Mach-O section: %s", mach_o_errmsg (-1)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
325 } |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
326 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
327 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
328 /* Append DATA of length LEN to the current output section. BASE is a pointer |
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329 to the output page containing DATA. It is freed once the output file has |
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330 been written. */ |
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331 |
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332 void |
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333 lto_obj_append_data (const void *data, size_t len, void *block) |
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parents:
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334 { |
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|
335 lto_mach_o_file *file; |
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336 lto_mach_o_data mach_o_data; |
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337 struct lto_char_ptr_base *base = (struct lto_char_ptr_base *) block; |
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338 |
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339 /* Grab the current output file and do some basic assertion checking. */ |
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340 file = (lto_mach_o_file *) lto_get_current_out_file (); |
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341 gcc_assert (file); |
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342 gcc_assert (file->scn); |
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|
343 |
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344 mach_o_data = mach_o_new_data (file->scn); |
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345 if (!mach_o_data) |
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346 fatal_error ("could not append data to Mach-O section: %s", mach_o_errmsg (-1)); |
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347 |
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348 mach_o_data->d_buf = CONST_CAST (void *, data); |
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349 mach_o_data->d_size = len; |
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350 |
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351 /* Chain all data blocks (from all sections) on one singly-linked |
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352 list for freeing en masse after the file is closed. */ |
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353 base->ptr = (char *)file->data; |
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354 file->data = base; |
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355 } |
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356 |
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357 |
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358 /* End the current output section. This just does some assertion checking |
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359 and sets the current output file's scn member to NULL. */ |
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|
360 |
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|
361 void |
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362 lto_obj_end_section (void) |
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|
363 { |
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|
364 lto_mach_o_file *file; |
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|
365 |
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|
366 /* Grab the current output file and validate some basic assertions. */ |
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367 file = (lto_mach_o_file *) lto_get_current_out_file (); |
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|
368 gcc_assert (file); |
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|
369 gcc_assert (file->scn); |
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|
370 |
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|
371 file->scn = NULL; |
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|
372 } |
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parents:
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|
373 |
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changeset
|
374 |
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|
375 /* Read a Mach-O header from MACH_O_FILE and validate it. |
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376 The file descriptor in MACH_O_FILE points at the start of the file. |
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parents:
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changeset
|
377 If cached_mach_o_header is uninitialized, caches the results. |
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parents:
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378 On succes, returns true and moves file pointer to the start of the |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
379 load commands. On failure, returns false. */ |
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parents:
diff
changeset
|
380 |
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parents:
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changeset
|
381 static bool |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
382 validate_mach_o_header (lto_mach_o_file *mach_o_file) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
383 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
384 ssize_t i, n; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
385 unsigned char magic[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
|
386 uint32_t cputype; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
387 off_t startpos; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
388 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
389 /* Known header magics for validation, as an array. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
390 static const unsigned int mach_o_known_formats[] = { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
391 MACH_O_MH_MAGIC, |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
392 MACH_O_MH_CIGAM, |
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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
|
393 MACH_O_MH_MAGIC_64, |
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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
|
394 MACH_O_MH_CIGAM_64, |
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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
|
395 }; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
396 #define MACH_O_NUM_KNOWN_FORMATS \ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
397 ((ssize_t) ARRAY_SIZE (mach_o_known_formats)) |
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 startpos = lseek (mach_o_file->fd, 0, SEEK_CUR); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
400 if (read (mach_o_file->fd, &magic, sizeof (magic)) != 4 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
401 || lseek (mach_o_file->fd, -4, SEEK_CUR) != startpos) |
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 error ("cannot read file %s", mach_o_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
|
404 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
405 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
406 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
407 for (i = 0; i < MACH_O_NUM_KNOWN_FORMATS; ++i) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
408 if (get_uint32 (&magic[0]) == mach_o_known_formats[i]) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
409 break; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
410 if (i == MACH_O_NUM_KNOWN_FORMATS) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
411 goto not_for_target; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
412 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
413 /* Check the endian-ness. */ |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
414 if (BYTES_BIG_ENDIAN && magic[0] != 0xfe) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
415 goto not_for_target; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
416 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
417 /* Set or check cached magic number. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
418 if (cached_mach_o_magic == 0) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
419 cached_mach_o_magic = get_uint32 (&magic[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
420 else if (cached_mach_o_magic != get_uint32 (&magic[0])) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
421 goto not_for_target; |
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 n = mach_o_word_size () == 64 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
424 ? sizeof (mach_o_header_64) : sizeof (mach_o_header_32); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
425 if (read (mach_o_file->fd, &mach_o_file->u.header, n) != n) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
426 goto not_for_target; |
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 /* Is this a supported CPU? */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
429 /* ??? Would be nice to validate the exact target architecture. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
430 cputype = get_uint32 (&mach_o_file->u.header.cputype[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
431 if (cputype == MACH_O_CPU_TYPE_I386 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
432 || cputype == MACH_O_CPU_TYPE_POWERPC) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
433 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
434 if (mach_o_word_size () != 32) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
435 goto not_for_target; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
436 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
437 else if (cputype == MACH_O_CPU_TYPE_X86_64 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
438 || cputype == MACH_O_CPU_TYPE_POWERPC_64) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
439 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
440 if (mach_o_word_size () != 64) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
441 goto not_for_target; |
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 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
444 /* Is this an MH_OBJECT file? */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 if (get_uint32 (&mach_o_file->u.header.filetype[0]) != MACH_O_MH_OBJECT) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 error ("Mach-O file %s is not an MH_OBJECT file", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 mach_o_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
|
448 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 /* Save the header for future use. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
450 memcpy (&cached_mach_o_header, &mach_o_file->u.header, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 sizeof (cached_mach_o_header)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 not_for_target: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 error ("file %s is not a Mach-O object file for target", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
457 mach_o_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
|
458 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
462 /* Read a Mach-O LC_SEGMENT command (32 bits) from MACH_O_FILE and |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463 validate it. |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 The file descriptor in MACH_O_FILE points at the start of the load |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 command. On sucess, returns true and advances the file pointer |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466 past the end of the load command. On failure, returns false. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
467 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 static bool |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
469 validate_mach_o_segment_command_32 (lto_mach_o_file *mach_o_file) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
470 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 mach_o_segment_command_32 seg_cmd_32; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 unsigned int i; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 ssize_t n; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 off_t startpos; |
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 /* Fields we're interested in. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477 uint32_t cmd; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
478 uint32_t cmdsize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479 uint32_t nsects; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
481 startpos = lseek (mach_o_file->fd, 0, SEEK_CUR); |
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 n = sizeof (mach_o_segment_command_32); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 if (read (mach_o_file->fd, (void *) &seg_cmd_32, n) != n) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
486 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 cmd = get_uint32 (&seg_cmd_32.cmd[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
488 cmdsize = get_uint32 (&seg_cmd_32.cmdsize[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 nsects = get_uint32 (&seg_cmd_32.nsects[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
490 gcc_assert (cmd == MACH_O_LC_SEGMENT); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492 /* 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
|
493 for (i = 0; i < nsects; i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 mach_o_section_32 sec_32; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
496 lto_mach_o_section ltosec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
497 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 n = sizeof (mach_o_section_32); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
499 if (read (mach_o_file->fd, &sec_32, n) != n) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 /* ??? Perform some checks. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 /* 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
|
505 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
|
506 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
|
507 ltosec = mach_o_new_section (mach_o_file, NULL); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 memcpy (<osec->u.section_32, &sec_32, sizeof (sec_32)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
509 } |
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 if (lseek (mach_o_file->fd, 0, SEEK_CUR) != startpos + cmdsize) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 fail: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
517 error ("could not read LC_SEGMENT command in Mach-O file %s", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
518 mach_o_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
|
519 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
520 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 |
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 /* Read a Mach-O LC_SEGMENT_64 command from MACH_O_FILE and validate it. |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
524 The file descriptor in MACH_O_FILE points at the start of the load |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
525 command. On sucess, returns true and advances the file pointer |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
526 past the end of the load command. On failure, returns false. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
527 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 static bool |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 validate_mach_o_segment_command_64 (lto_mach_o_file *mach_o_file) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
530 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
531 mach_o_segment_command_64 seg_cmd_64; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
532 unsigned int i; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
533 ssize_t n; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 off_t startpos; |
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 /* Fields we're interested in. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 uint32_t cmd; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 uint32_t cmdsize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 uint32_t nsects; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 startpos = lseek (mach_o_file->fd, 0, SEEK_CUR); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 n = sizeof (mach_o_segment_command_64); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 if (read (mach_o_file->fd, (void *) &seg_cmd_64, n) != n) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 cmd = get_uint32 (&seg_cmd_64.cmd[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 cmdsize = get_uint32 (&seg_cmd_64.cmdsize[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 nsects = get_uint32 (&seg_cmd_64.nsects[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
550 gcc_assert (cmd == MACH_O_LC_SEGMENT_64); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
551 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
552 /* 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
|
553 for (i = 0; i < nsects; i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
554 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
555 mach_o_section_64 sec_64; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
556 lto_mach_o_section ltosec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
557 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
558 n = sizeof (mach_o_section_64); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
559 if (read (mach_o_file->fd, &sec_64, n) != n) |
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 /* ??? Perform some checks. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
563 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
564 /* 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
|
565 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
|
566 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
|
567 ltosec = mach_o_new_section (mach_o_file, NULL); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
568 memcpy (<osec->u.section_64, &sec_64, sizeof (sec_64)); |
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 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
571 if (lseek (mach_o_file->fd, 0, SEEK_CUR) != startpos + cmdsize) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
572 goto fail; |
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 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
575 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
576 fail: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
577 error ("could not read LC_SEGMENT_64 command in Mach-O file %s", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
578 mach_o_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
|
579 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
580 } |
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 /* Read a Mach-O load commands from MACH_O_FILE and validate it. |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
583 The file descriptor in MACH_O_FILE points at the start of the load |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
584 command. On sucess, returns true and advances the file pointer |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
585 past the end of the load command. On failure, returns false. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
586 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
587 static bool |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
588 validate_mach_o_load_command (lto_mach_o_file *mach_o_file) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
589 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
590 mach_o_load_command load_command; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
591 uint32_t cmd; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
592 uint32_t cmdsize; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
593 ssize_t n; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
594 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
595 n = sizeof (load_command); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
596 if (read (mach_o_file->fd, &load_command, n) != n) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
597 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
598 error ("could not read load commands in Mach-O file %s", |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
599 mach_o_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
|
600 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
601 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
602 lseek (mach_o_file->fd, -1 * (off_t) sizeof (load_command), SEEK_CUR); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
603 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
604 cmd = get_uint32 (&load_command.cmd[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
605 cmdsize = get_uint32 (&load_command.cmdsize[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
606 switch (cmd) |
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 case MACH_O_LC_SEGMENT: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
609 return validate_mach_o_segment_command_32 (mach_o_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
610 case MACH_O_LC_SEGMENT_64: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
611 return validate_mach_o_segment_command_64 (mach_o_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
612 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
613 default: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
614 /* Just skip over it. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
615 lseek (mach_o_file->fd, cmdsize, SEEK_CUR); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
616 return true; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
617 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
618 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
619 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
620 /* Validate's MACH_O_FILE's executable header and, if cached_mach_o_header is |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
621 uninitialized, caches the results. Also records the section header string |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
622 table's section index. Returns true on success, false on failure. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
623 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
624 static bool |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
625 validate_file (lto_mach_o_file *mach_o_file) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
626 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
627 uint32_t i, ncmds; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
628 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
629 /* Read and sanity check the raw header. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
630 if (! validate_mach_o_header (mach_o_file)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
631 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
632 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
633 ncmds = get_uint32 (&mach_o_file->u.header.ncmds[0]); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
634 for (i = 0; i < ncmds; ++i) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
635 if (! validate_mach_o_load_command (mach_o_file)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
636 return false; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
637 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
638 return true; |
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 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
641 /* Initialize MACH_O_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
|
642 read files. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
643 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
644 static void |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
645 init_mach_o_header (lto_mach_o_file *mach_o_file) |
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 gcc_assert (cached_mach_o_magic != 0); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
648 memcpy (&mach_o_file->u.header, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
649 &cached_mach_o_header, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
650 sizeof (mach_o_file->u.header)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
651 put_uint32 (&mach_o_file->u.header.ncmds[0], 0); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
652 put_uint32 (&mach_o_file->u.header.sizeofcmds[0], 0); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
653 } |
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 /* Open Mach-O 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
|
656 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
|
657 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
|
658 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
659 lto_file * |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
660 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
|
661 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
662 lto_mach_o_file *mach_o_file; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
663 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
|
664 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
|
665 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
|
666 char *fname; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
667 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
|
668 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
669 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
|
670 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
|
671 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
672 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
|
673 offset = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
674 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
675 else |
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 /* 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
|
678 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
|
679 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
|
680 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
|
681 filename); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
682 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
683 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
|
684 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
|
685 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
|
686 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
|
687 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
|
688 } |
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 /* Set up. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
691 mach_o_file = XCNEW (lto_mach_o_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
692 result = (lto_file *) mach_o_file; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
693 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
|
694 mach_o_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
|
695 mach_o_file->writable = writable; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
696 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
697 /* 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
|
698 mach_o_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
|
699 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
|
700 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
701 if (mach_o_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
|
702 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
703 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
|
704 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
705 } |
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 (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
|
708 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
709 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
|
710 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
711 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
712 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
713 mach_o_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
|
714 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
715 /* If the object is in an archive, get it out. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
716 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
|
717 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
718 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
|
719 int size; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
720 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
721 /* Surely not? */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
722 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
|
723 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
724 /* 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
|
725 if (lseek (mach_o_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
|
726 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
727 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
|
728 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
729 } |
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 /* 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
|
732 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
|
733 if (lseek (mach_o_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
|
734 || read (mach_o_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
|
735 || lseek (mach_o_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
|
736 || 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
|
737 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
738 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
|
739 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
740 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
741 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
742 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
|
743 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
|
744 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
745 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
|
746 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
747 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
748 mach_o_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
|
749 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
750 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
751 if (writable) |
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 init_mach_o_header (mach_o_file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
754 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
755 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
756 if (! validate_file (mach_o_file)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
757 goto fail; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
758 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
759 return result; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
760 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
761 fail: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
762 if (result) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
763 lto_obj_file_close (result); |
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parents:
diff
changeset
|
764 return NULL; |
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parents:
diff
changeset
|
765 } |
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parents:
diff
changeset
|
766 |
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parents:
diff
changeset
|
767 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
768 /* Write the data in MACH_O_FILE to a real Mach-O binary object. |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
769 We write a header, a segment load command, and section data. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
770 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
771 static bool |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
772 mach_o_write_object_file (lto_mach_o_file *mach_o_file) |
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parents:
diff
changeset
|
773 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
774 lto_mach_o_section sec, snsec; |
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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
|
775 lto_mach_o_data snsec_data; |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
776 ssize_t hdrsize, cmdsize, secsize; |
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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
|
777 size_t num_sections, snsec_size, total_sec_size; |
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parents:
diff
changeset
|
778 unsigned int sec_offs, strtab_offs; |
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parents:
diff
changeset
|
779 int i; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
780 bool write_err = false; |
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parents:
diff
changeset
|
781 |
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parents:
diff
changeset
|
782 /* The number of sections we will write is the number of sections added by |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
diff
changeset
|
783 the streamer, plus 1 for the section names section. */ |
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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
|
784 num_sections = VEC_length (lto_mach_o_section, mach_o_file->section_vec) + 1; |
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parents:
diff
changeset
|
785 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
786 /* Calculate the size of the basic data structures on disk. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
787 if (mach_o_word_size () == 64) |
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parents:
diff
changeset
|
788 { |
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parents:
diff
changeset
|
789 hdrsize = sizeof (mach_o_header_64); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
790 secsize = sizeof (mach_o_section_64); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
791 cmdsize = sizeof (mach_o_segment_command_64) + num_sections * secsize; |
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parents:
diff
changeset
|
792 } |
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parents:
diff
changeset
|
793 else |
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parents:
diff
changeset
|
794 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
795 hdrsize = sizeof (mach_o_header_32); |
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parents:
diff
changeset
|
796 secsize = sizeof (mach_o_section_32); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
797 cmdsize = sizeof (mach_o_segment_command_32) + num_sections * secsize; |
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parents:
diff
changeset
|
798 } |
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parents:
diff
changeset
|
799 |
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parents:
diff
changeset
|
800 /* Allocate the section names section. */ |
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parents:
diff
changeset
|
801 snsec_size = 0; |
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parents:
diff
changeset
|
802 for (i = 0; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
803 VEC_iterate (lto_mach_o_section, mach_o_file->section_vec, i, sec); |
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parents:
diff
changeset
|
804 i++) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
805 snsec_size += strlen (sec->name) + 1; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
806 snsec = mach_o_new_section (mach_o_file, NULL); |
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parents:
diff
changeset
|
807 snsec->name = LTO_NAMES_SECTION; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
808 snsec_data = mach_o_new_data (snsec); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
809 snsec_data->d_buf = XCNEWVEC (char, snsec_size); |
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parents:
diff
changeset
|
810 snsec_data->d_size = snsec_size; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
811 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
812 /* Position all the sections, and fill out their headers. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
813 sec_offs = hdrsize + cmdsize; |
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parents:
diff
changeset
|
814 strtab_offs = 0; |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
815 total_sec_size = 0; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
816 for (i = 0; |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
817 VEC_iterate (lto_mach_o_section, mach_o_file->section_vec, i, sec); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
818 i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
819 { |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
820 lto_mach_o_data data; |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
821 size_t data_size; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
822 /* Put the section and segment names. Add the section name to the |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
823 section names section (unless, of course, this *is* the section |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
824 names section). */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
825 if (sec == snsec) |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
826 snprintf (sec->u.section.sectname, 16, "%s", LTO_NAMES_SECTION); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
827 else |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
828 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
829 sprintf (sec->u.section.sectname, "__%08X", strtab_offs); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
830 memcpy ((char *) snsec_data->d_buf + strtab_offs, sec->name, strlen (sec->name)); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
831 } |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
832 memcpy (&sec->u.section.segname[0], |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
833 LTO_SEGMENT_NAME, strlen (LTO_SEGMENT_NAME)); |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
834 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
835 /* Add layout and attributes. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
836 for (data = sec->data_chain, data_size = 0; data; data = data->next) |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
837 data_size += data->d_size; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
838 if (mach_o_word_size () == 64) |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
839 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
840 put_uint64 (&sec->u.section_64.addr[0], total_sec_size); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
841 put_uint64 (&sec->u.section_64.size[0], data_size); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
842 put_uint32 (&sec->u.section_64.offset[0], sec_offs); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
843 put_uint32 (&sec->u.section_64.flags[0], MACH_O_S_ATTR_DEBUG); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
844 } |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
845 else |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
846 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
847 put_uint32 (&sec->u.section_64.addr[0], total_sec_size); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
848 put_uint32 (&sec->u.section_32.size[0], data_size); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
849 put_uint32 (&sec->u.section_32.offset[0], sec_offs); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
850 put_uint32 (&sec->u.section_32.flags[0], MACH_O_S_ATTR_DEBUG); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
851 } |
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parents:
diff
changeset
|
852 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
853 sec_offs += data_size; |
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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
|
854 total_sec_size += data_size; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
855 strtab_offs += strlen (sec->name) + 1; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
856 } |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
857 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
858 /* We can write the data now. As there's no way to indicate an error return |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
859 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
|
860 any more writes in the event that any one fails. */ |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
861 |
b7f97abdc517
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
862 /* Write the header. */ |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
863 put_uint32 (&mach_o_file->u.header.ncmds[0], 1); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
864 put_uint32 (&mach_o_file->u.header.sizeofcmds[0], cmdsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
865 write_err = (write (mach_o_file->fd, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
866 &mach_o_file->u.header, hdrsize) != hdrsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
867 /* Write the segment load command. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
868 if (mach_o_word_size () == 64) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
869 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
870 mach_o_segment_command_64 lc; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
871 ssize_t lc_size = sizeof (lc); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
872 memset (&lc, 0, lc_size); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
873 put_uint32 (&lc.cmd[0], MACH_O_LC_SEGMENT_64); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
874 put_uint32 (&lc.cmdsize[0], cmdsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
875 put_uint64 (&lc.fileoff[0], hdrsize + cmdsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
876 put_uint64 (&lc.filesize[0], total_sec_size); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
877 put_uint32 (&lc.nsects[0], num_sections); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
878 write_err = (write (mach_o_file->fd, &lc, lc_size) != lc_size); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
879 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
880 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
881 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
882 mach_o_segment_command_32 lc; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
883 ssize_t lc_size = sizeof (lc); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
884 memset (&lc, 0, lc_size); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
885 put_uint32 (&lc.cmd[0], MACH_O_LC_SEGMENT); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
886 put_uint32 (&lc.cmdsize[0], cmdsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
887 put_uint32 (&lc.fileoff[0], hdrsize + cmdsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
888 put_uint32 (&lc.filesize[0], total_sec_size); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
889 put_uint32 (&lc.nsects[0], num_sections); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
890 write_err = (write (mach_o_file->fd, &lc, lc_size) != lc_size); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
891 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
892 for (i = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
893 !write_err |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
894 && VEC_iterate (lto_mach_o_section, mach_o_file->section_vec, i, sec); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
895 i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
896 write_err = (write (mach_o_file->fd, |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
897 &sec->u.section, secsize) != secsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
898 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
899 gcc_assert (lseek (mach_o_file->fd, 0, SEEK_CUR) == hdrsize + cmdsize); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
900 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
901 /* Write the section data. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
902 for (i = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
903 !write_err |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
904 && VEC_iterate (lto_mach_o_section, mach_o_file->section_vec, i, sec); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
905 i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
906 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
907 lto_mach_o_data data; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
908 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
909 for (data = sec->data_chain; data; data = data->next) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
910 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
911 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
|
912 write_err = (write (mach_o_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
|
913 != 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
|
914 else |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
915 break; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
916 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
917 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
918 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
919 return !write_err; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
920 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
921 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
922 /* Close Mach-O 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
|
923 was opened for writing, the file's Mach-O data is written at this time. Any |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
924 cached data buffers are freed. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
925 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
926 void |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
927 lto_obj_file_close (lto_file *file) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
928 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
929 lto_mach_o_file *mach_o_file = (lto_mach_o_file *) file; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
930 struct lto_char_ptr_base *cur, *tmp; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
931 lto_mach_o_section sec; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
932 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
|
933 int i; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
934 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
935 /* If this file is open for writing, write a Mach-O object file. */ |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
936 if (mach_o_file->writable) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
937 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
938 if (! mach_o_write_object_file (mach_o_file)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
939 fatal_error ("cannot write Mach-O object file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
940 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
941 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
942 /* 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
|
943 if (mach_o_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
|
944 close (mach_o_file->fd); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
945 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
946 /* 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
|
947 cur = mach_o_file->data; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
948 while (cur) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
949 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
950 tmp = cur; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
951 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
|
952 free (tmp); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
953 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
954 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
955 /* 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
|
956 for (i = 0; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
957 VEC_iterate (lto_mach_o_section, mach_o_file->section_vec, i, sec); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
958 i++) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
959 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
960 lto_mach_o_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
|
961 curdata = sec->data_chain; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
962 while (curdata) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
963 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
964 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
|
965 free (curdata); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
966 curdata = nextdata; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
967 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
968 free (sec); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
969 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
970 VEC_free (lto_mach_o_section, heap, mach_o_file->section_vec); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
971 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
972 free (file); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
973 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
974 /* 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
|
975 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
|
976 error ("I/O error writing Mach-O output file"); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
977 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
978 |