Mercurial > hg > CbC > CbC_gcc
annotate gcc/lto-wrapper.c @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Tue, 22 Mar 2011 17:18:12 +0900 |
parents | b7f97abdc517 |
children | 04ced10e8804 |
rev | line source |
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1 /* Wrapper to call lto. Used by collect2 and the linker plugin. |
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2 Copyright (C) 2009, 2010 Free Software Foundation, Inc. |
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3 |
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4 Factored out of collect2 by Rafael Espindola <espindola@google.com> |
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5 |
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6 This file is part of GCC. |
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7 |
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8 GCC is free software; you can redistribute it and/or modify it under |
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9 the terms of the GNU General Public License as published by the Free |
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10 Software Foundation; either version 3, or (at your option) any later |
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11 version. |
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12 |
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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16 for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with GCC; see the file COPYING3. If not see |
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20 <http://www.gnu.org/licenses/>. */ |
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21 |
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22 |
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23 /* This program is passed a gcc, a list of gcc arguments and a list of |
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24 object files containing IL. It scans the argument list to check if |
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25 we are in whopr mode or not modifies the arguments and needed and |
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26 prints a list of output files on stdout. |
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27 |
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28 Example: |
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29 |
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30 $ lto-wrapper gcc/xgcc -B gcc a.o b.o -o test -flto |
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31 |
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32 The above will print something like |
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33 /tmp/ccwbQ8B2.lto.o |
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34 |
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35 If WHOPR is used instead, more than one file might be produced |
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36 ./ccXj2DTk.lto.ltrans.o |
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37 ./ccCJuXGv.lto.ltrans.o |
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38 */ |
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39 |
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40 #include "config.h" |
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41 #include "system.h" |
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42 #include "coretypes.h" |
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43 #include "intl.h" |
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44 #include "obstack.h" |
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45 |
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46 int debug; /* true if -save-temps. */ |
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47 int verbose; /* true if -v. */ |
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48 |
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49 enum lto_mode_d { |
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50 LTO_MODE_NONE, /* Not doing LTO. */ |
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51 LTO_MODE_LTO, /* Normal LTO. */ |
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52 LTO_MODE_WHOPR /* WHOPR. */ |
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53 }; |
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54 |
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55 /* Current LTO mode. */ |
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56 static enum lto_mode_d lto_mode = LTO_MODE_NONE; |
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57 |
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58 static char *ltrans_output_file; |
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59 static char *flto_out; |
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60 static char *args_name; |
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61 static unsigned int nr; |
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62 static char **input_names; |
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63 static char **output_names; |
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64 static char *makefile; |
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65 |
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66 static void maybe_unlink_file (const char *); |
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67 |
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68 /* Delete tempfiles. */ |
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69 |
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70 static void |
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71 lto_wrapper_cleanup (void) |
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72 { |
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73 static bool cleanup_done = false; |
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74 unsigned int i; |
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75 |
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76 if (cleanup_done) |
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77 return; |
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78 |
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79 /* Setting cleanup_done prevents an infinite loop if one of the |
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80 calls to maybe_unlink_file fails. */ |
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81 cleanup_done = true; |
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82 |
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83 if (ltrans_output_file) |
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84 maybe_unlink_file (ltrans_output_file); |
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85 if (flto_out) |
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86 maybe_unlink_file (flto_out); |
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87 if (args_name) |
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88 maybe_unlink_file (args_name); |
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89 if (makefile) |
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90 maybe_unlink_file (makefile); |
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91 for (i = 0; i < nr; ++i) |
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92 { |
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93 maybe_unlink_file (input_names[i]); |
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94 if (output_names[i]) |
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95 maybe_unlink_file (output_names[i]); |
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96 } |
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97 } |
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98 |
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99 static void |
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100 fatal_signal (int signum) |
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101 { |
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102 signal (signum, SIG_DFL); |
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103 lto_wrapper_cleanup (); |
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104 /* Get the same signal again, this time not handled, |
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105 so its normal effect occurs. */ |
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106 kill (getpid (), signum); |
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107 } |
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108 |
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109 /* Just die. CMSGID is the error message. */ |
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110 |
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111 static void __attribute__ ((format (printf, 1, 2))) |
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112 fatal (const char * cmsgid, ...) |
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113 { |
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114 va_list ap; |
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115 |
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116 va_start (ap, cmsgid); |
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117 fprintf (stderr, "lto-wrapper: "); |
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118 vfprintf (stderr, _(cmsgid), ap); |
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119 fprintf (stderr, "\n"); |
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120 va_end (ap); |
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121 |
67
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122 lto_wrapper_cleanup (); |
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123 exit (FATAL_EXIT_CODE); |
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124 } |
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125 |
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126 |
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127 /* Die when sys call fails. CMSGID is the error message. */ |
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128 |
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129 static void __attribute__ ((format (printf, 1, 2))) |
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130 fatal_perror (const char *cmsgid, ...) |
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131 { |
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132 int e = errno; |
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133 va_list ap; |
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134 |
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135 va_start (ap, cmsgid); |
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136 fprintf (stderr, "lto-wrapper: "); |
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137 vfprintf (stderr, _(cmsgid), ap); |
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138 fprintf (stderr, ": %s\n", xstrerror (e)); |
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139 va_end (ap); |
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140 |
67
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141 lto_wrapper_cleanup (); |
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142 exit (FATAL_EXIT_CODE); |
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143 } |
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144 |
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145 |
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146 /* Execute a program, and wait for the reply. ARGV are the arguments. The |
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147 last one must be NULL. */ |
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148 |
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149 static struct pex_obj * |
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150 collect_execute (char **argv) |
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151 { |
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152 struct pex_obj *pex; |
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153 const char *errmsg; |
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154 int err; |
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155 |
63
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156 if (verbose) |
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157 { |
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158 char **p_argv; |
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159 const char *str; |
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160 |
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161 for (p_argv = argv; (str = *p_argv) != (char *) 0; p_argv++) |
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162 fprintf (stderr, " %s", str); |
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163 |
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164 fprintf (stderr, "\n"); |
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165 } |
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166 |
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167 fflush (stdout); |
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168 fflush (stderr); |
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169 |
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170 pex = pex_init (0, "lto-wrapper", NULL); |
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171 if (pex == NULL) |
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172 fatal_perror ("pex_init failed"); |
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173 |
63
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174 /* Do not use PEX_LAST here, we use our stdout for communicating with |
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175 collect2 or the linker-plugin. Any output from the sub-process |
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176 will confuse that. */ |
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177 errmsg = pex_run (pex, PEX_SEARCH, argv[0], argv, NULL, |
55
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178 NULL, &err); |
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179 if (errmsg != NULL) |
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180 { |
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181 if (err != 0) |
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182 { |
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183 errno = err; |
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184 fatal_perror (errmsg); |
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185 } |
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186 else |
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187 fatal (errmsg); |
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188 } |
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189 |
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190 return pex; |
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191 } |
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192 |
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193 |
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194 /* Wait for a process to finish, and exit if a nonzero status is found. |
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195 PROG is the program name. PEX is the process we should wait for. */ |
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196 |
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197 static int |
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198 collect_wait (const char *prog, struct pex_obj *pex) |
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199 { |
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200 int status; |
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201 |
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202 if (!pex_get_status (pex, 1, &status)) |
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203 fatal_perror ("can't get program status"); |
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204 pex_free (pex); |
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205 |
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206 if (status) |
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207 { |
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208 if (WIFSIGNALED (status)) |
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209 { |
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210 int sig = WTERMSIG (status); |
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211 if (WCOREDUMP (status)) |
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212 fatal ("%s terminated with signal %d [%s], core dumped", |
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213 prog, sig, strsignal (sig)); |
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214 else |
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215 fatal ("%s terminated with signal %d [%s]", |
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216 prog, sig, strsignal (sig)); |
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217 } |
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218 |
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219 if (WIFEXITED (status)) |
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220 fatal ("%s returned %d exit status", prog, WEXITSTATUS (status)); |
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221 } |
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222 |
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223 return 0; |
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224 } |
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225 |
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226 |
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227 /* Unlink a temporary LTRANS file unless requested otherwise. */ |
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228 |
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229 static void |
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230 maybe_unlink_file (const char *file) |
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231 { |
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232 if (! debug) |
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233 { |
67
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234 if (unlink_if_ordinary (file) |
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235 && errno != ENOENT) |
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236 fatal_perror ("deleting LTRANS file %s", file); |
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237 } |
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238 else |
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239 fprintf (stderr, "[Leaving LTRANS %s]\n", file); |
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240 } |
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241 |
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242 |
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243 /* Execute program ARGV[0] with arguments ARGV. Wait for it to finish. */ |
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244 |
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245 static void |
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246 fork_execute (char **argv) |
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247 { |
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248 struct pex_obj *pex; |
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249 char *new_argv[3]; |
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250 char *at_args; |
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251 FILE *args; |
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252 int status; |
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253 |
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254 args_name = make_temp_file (".args"); |
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255 at_args = concat ("@", args_name, NULL); |
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256 args = fopen (args_name, "w"); |
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257 if (args == NULL) |
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258 fatal ("failed to open %s", args_name); |
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259 |
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260 status = writeargv (&argv[1], args); |
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261 |
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262 if (status) |
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263 fatal ("could not write to temporary file %s", args_name); |
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264 |
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265 fclose (args); |
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266 |
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267 new_argv[0] = argv[0]; |
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268 new_argv[1] = at_args; |
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269 new_argv[2] = NULL; |
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270 |
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271 pex = collect_execute (new_argv); |
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272 collect_wait (new_argv[0], pex); |
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273 |
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274 maybe_unlink_file (args_name); |
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275 args_name = NULL; |
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276 free (at_args); |
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277 } |
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278 |
63
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279 /* Template of LTRANS dumpbase suffix. */ |
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280 #define DUMPBASE_SUFFIX ".ltrans18446744073709551615" |
55
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281 |
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282 /* Execute gcc. ARGC is the number of arguments. ARGV contains the arguments. */ |
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283 |
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284 static void |
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285 run_gcc (unsigned argc, char *argv[]) |
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286 { |
63
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287 unsigned i, j; |
55
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288 const char **new_argv; |
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289 const char **argv_ptr; |
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290 char *list_option_full = NULL; |
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291 const char *linker_output = NULL; |
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292 const char *collect_gcc_options, *collect_gcc; |
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293 struct obstack env_obstack; |
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294 bool seen_o = false; |
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295 int parallel = 0; |
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296 int jobserver = 0; |
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297 bool no_partition = false; |
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298 |
63
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299 /* Get the driver and options. */ |
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300 collect_gcc = getenv ("COLLECT_GCC"); |
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301 if (!collect_gcc) |
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302 fatal ("environment variable COLLECT_GCC must be set"); |
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303 |
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304 /* Set the CFLAGS environment variable. */ |
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305 collect_gcc_options = getenv ("COLLECT_GCC_OPTIONS"); |
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306 if (!collect_gcc_options) |
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307 fatal ("environment variable COLLECT_GCC_OPTIONS must be set"); |
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308 |
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309 /* Count arguments. */ |
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310 i = 0; |
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311 for (j = 0; collect_gcc_options[j] != '\0'; ++j) |
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312 if (collect_gcc_options[j] == '\'') |
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313 ++i; |
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314 |
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315 if (i % 2 != 0) |
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316 fatal ("malformed COLLECT_GCC_OPTIONS"); |
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317 |
63
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318 /* Initalize the common arguments for the driver. */ |
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319 new_argv = (const char **) xmalloc ((15 + i / 2 + argc) * sizeof (char *)); |
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320 argv_ptr = new_argv; |
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321 *argv_ptr++ = collect_gcc; |
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322 *argv_ptr++ = "-xlto"; |
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323 *argv_ptr++ = "-c"; |
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324 for (j = 0; collect_gcc_options[j] != '\0'; ++j) |
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325 if (collect_gcc_options[j] == '\'') |
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326 { |
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327 char *option; |
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328 |
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329 ++j; |
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330 i = j; |
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331 while (collect_gcc_options[j] != '\'') |
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332 ++j; |
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333 |
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334 obstack_init (&env_obstack); |
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335 obstack_grow (&env_obstack, &collect_gcc_options[i], j - i); |
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336 obstack_1grow (&env_obstack, 0); |
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337 option = XOBFINISH (&env_obstack, char *); |
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338 if (seen_o) |
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339 { |
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340 linker_output = option; |
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341 seen_o = false; |
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342 continue; |
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343 } |
55
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344 |
63
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345 /* If we see -o, skip it and skip and record its argument. */ |
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346 if (option[0] == '-' && option[1] == 'o') |
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347 { |
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348 if (option[2] == '\0') |
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349 seen_o = true; |
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350 else |
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351 linker_output = &option[2]; |
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352 continue; |
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353 } |
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354 |
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355 if (strcmp (option, "-save-temps") == 0) |
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356 debug = 1; |
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357 if (strcmp (option, "-v") == 0) |
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358 verbose = 1; |
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359 |
67
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360 if (strcmp (option, "-flto-partition=none") == 0) |
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361 no_partition = true; |
63
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362 /* We've handled these LTO options, do not pass them on. */ |
67
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363 if (strncmp (option, "-flto=", 6) == 0 |
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|
364 || !strcmp (option, "-flto")) |
63
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|
365 { |
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366 lto_mode = LTO_MODE_WHOPR; |
67
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|
367 if (option[5] == '=') |
63
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|
368 { |
67
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|
369 if (!strcmp (option + 6, "jobserver")) |
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|
370 { |
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|
371 jobserver = 1; |
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|
372 parallel = 1; |
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|
373 } |
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374 else |
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|
375 { |
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376 parallel = atoi (option + 6); |
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|
377 if (parallel <= 1) |
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378 parallel = 0; |
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|
379 } |
63
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diff
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|
380 } |
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diff
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|
381 } |
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diff
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|
382 else |
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diff
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|
383 *argv_ptr++ = option; |
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diff
changeset
|
384 } |
67
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diff
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|
385 if (no_partition) |
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diff
changeset
|
386 { |
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|
387 lto_mode = LTO_MODE_LTO; |
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|
388 jobserver = 0; |
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|
389 parallel = 0; |
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diff
changeset
|
390 } |
63
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diff
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|
391 |
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diff
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|
392 if (linker_output) |
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55
diff
changeset
|
393 { |
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diff
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|
394 char *output_dir, *base, *name; |
67
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|
395 bool bit_bucket = strcmp (linker_output, HOST_BIT_BUCKET) == 0; |
63
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diff
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|
396 |
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|
397 output_dir = xstrdup (linker_output); |
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|
398 base = output_dir; |
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|
399 for (name = base; *name; name++) |
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diff
changeset
|
400 if (IS_DIR_SEPARATOR (*name)) |
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diff
changeset
|
401 base = name + 1; |
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diff
changeset
|
402 *base = '\0'; |
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diff
changeset
|
403 |
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diff
changeset
|
404 linker_output = &linker_output[base - output_dir]; |
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diff
changeset
|
405 if (*output_dir == '\0') |
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diff
changeset
|
406 { |
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55
diff
changeset
|
407 static char current_dir[] = { '.', DIR_SEPARATOR, '\0' }; |
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diff
changeset
|
408 output_dir = current_dir; |
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55
diff
changeset
|
409 } |
67
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63
diff
changeset
|
410 if (!bit_bucket) |
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63
diff
changeset
|
411 { |
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63
diff
changeset
|
412 *argv_ptr++ = "-dumpdir"; |
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diff
changeset
|
413 *argv_ptr++ = output_dir; |
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parents:
63
diff
changeset
|
414 } |
63
b7f97abdc517
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parents:
55
diff
changeset
|
415 |
b7f97abdc517
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diff
changeset
|
416 *argv_ptr++ = "-dumpbase"; |
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diff
changeset
|
417 } |
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diff
changeset
|
418 else |
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diff
changeset
|
419 argv_ptr--; |
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diff
changeset
|
420 |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
421 if (lto_mode == LTO_MODE_LTO) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
422 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
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parents:
diff
changeset
|
423 flto_out = make_temp_file (".lto.o"); |
63
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diff
changeset
|
424 if (linker_output) |
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diff
changeset
|
425 argv_ptr[0] = linker_output; |
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parents:
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diff
changeset
|
426 argv_ptr[1] = "-o"; |
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diff
changeset
|
427 argv_ptr[2] = flto_out; |
55
77e2b8dfacca
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parents:
diff
changeset
|
428 } |
67
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parents:
63
diff
changeset
|
429 else |
55
77e2b8dfacca
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parents:
diff
changeset
|
430 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
431 const char *list_option = "-fltrans-output-list="; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
432 size_t list_option_len = strlen (list_option); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
433 char *tmp; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
434 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
435 if (linker_output) |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
436 { |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
437 char *dumpbase = (char *) xmalloc (strlen (linker_output) |
67
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
438 + sizeof (".wpa") + 1); |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
439 strcpy (dumpbase, linker_output); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
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diff
changeset
|
440 strcat (dumpbase, ".wpa"); |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
441 argv_ptr[0] = dumpbase; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
442 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
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diff
changeset
|
443 |
67
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diff
changeset
|
444 if (linker_output && debug) |
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parents:
63
diff
changeset
|
445 { |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
446 ltrans_output_file = (char *) xmalloc (strlen (linker_output) |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
447 + sizeof (".ltrans.out") + 1); |
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parents:
63
diff
changeset
|
448 strcpy (ltrans_output_file, linker_output); |
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diff
changeset
|
449 strcat (ltrans_output_file, ".ltrans.out"); |
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parents:
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diff
changeset
|
450 } |
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diff
changeset
|
451 else |
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diff
changeset
|
452 ltrans_output_file = make_temp_file (".ltrans.out"); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 list_option_full = (char *) xmalloc (sizeof (char) * |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 (strlen (ltrans_output_file) + list_option_len + 1)); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 tmp = list_option_full; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
457 argv_ptr[1] = tmp; |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 strcpy (tmp, list_option); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 tmp += list_option_len; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 strcpy (tmp, ltrans_output_file); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
462 argv_ptr[2] = "-fwpa"; |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
465 /* Append the input objects and possible preceeding arguments. */ |
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update gcc from gcc-4.5.0 to gcc-4.6
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parents:
55
diff
changeset
|
466 for (i = 1; i < argc; ++i) |
67
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parents:
63
diff
changeset
|
467 argv_ptr[2 + i] = argv[i]; |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
468 argv_ptr[2 + i] = NULL; |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
469 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
470 fork_execute (CONST_CAST (char **, new_argv)); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 if (lto_mode == LTO_MODE_LTO) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 printf("%s\n", flto_out); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 free (flto_out); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
476 flto_out = NULL; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477 } |
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
478 else |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 FILE *stream = fopen (ltrans_output_file, "r"); |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
481 FILE *mstream = NULL; |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 if (!stream) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 fatal_perror ("fopen: %s", ltrans_output_file); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
486 /* Parse the list of LTRANS inputs from the WPA stage. */ |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
487 nr = 0; |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
488 for (;;) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
489 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
490 const unsigned piece = 32; |
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
491 char *output_name = NULL; |
63
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
492 char *buf, *input_name = (char *)xmalloc (piece); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
493 size_t len; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
494 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
495 buf = input_name; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
496 cont: |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
497 if (!fgets (buf, piece, stream)) |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
498 break; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
499 len = strlen (input_name); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
500 if (input_name[len - 1] != '\n') |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
501 { |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
502 input_name = (char *)xrealloc (input_name, len + piece); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
503 buf = input_name + len; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
504 goto cont; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
505 } |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
506 input_name[len - 1] = '\0'; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
507 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
508 if (input_name[0] == '*') |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
509 output_name = &input_name[1]; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
510 |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
511 nr++; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
512 input_names = (char **)xrealloc (input_names, nr * sizeof (char *)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
513 output_names = (char **)xrealloc (output_names, nr * sizeof (char *)); |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
514 input_names[nr-1] = input_name; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
515 output_names[nr-1] = output_name; |
b7f97abdc517
update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
|
516 } |
67
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
517 fclose (stream); |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
518 maybe_unlink_file (ltrans_output_file); |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
519 ltrans_output_file = NULL; |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
520 |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
521 if (parallel) |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
522 { |
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
523 makefile = make_temp_file (".mk"); |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
524 mstream = fopen (makefile, "w"); |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
525 } |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
526 |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
527 /* Execute the LTRANS stage for each input file (or prepare a |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
528 makefile to invoke this in parallel). */ |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
529 for (i = 0; i < nr; ++i) |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
530 { |
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
531 char *output_name; |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
532 char *input_name = input_names[i]; |
f6334be47118
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nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
533 /* If it's a pass-through file do nothing. */ |
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534 if (output_names[i]) |
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535 continue; |
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536 |
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537 /* Replace the .o suffix with a .ltrans.o suffix and write |
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538 the resulting name to the LTRANS output list. */ |
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539 obstack_init (&env_obstack); |
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540 obstack_grow (&env_obstack, input_name, strlen (input_name) - 2); |
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541 obstack_grow (&env_obstack, ".ltrans.o", sizeof (".ltrans.o")); |
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542 output_name = XOBFINISH (&env_obstack, char *); |
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543 |
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544 /* Adjust the dumpbase if the linker output file was seen. */ |
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545 if (linker_output) |
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546 { |
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547 char *dumpbase |
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548 = (char *) xmalloc (strlen (linker_output) |
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549 + sizeof(DUMPBASE_SUFFIX) + 1); |
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550 snprintf (dumpbase, |
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551 strlen (linker_output) + sizeof(DUMPBASE_SUFFIX), |
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552 "%s.ltrans%u", linker_output, i); |
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553 argv_ptr[0] = dumpbase; |
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554 } |
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555 |
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556 argv_ptr[1] = "-fltrans"; |
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557 argv_ptr[2] = "-o"; |
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558 argv_ptr[3] = output_name; |
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559 argv_ptr[4] = input_name; |
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560 argv_ptr[5] = NULL; |
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561 if (parallel) |
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562 { |
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563 fprintf (mstream, "%s:\n\t@%s ", output_name, new_argv[0]); |
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564 for (j = 1; new_argv[j] != NULL; ++j) |
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565 fprintf (mstream, " '%s'", new_argv[j]); |
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566 fprintf (mstream, "\n"); |
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567 } |
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568 else |
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569 fork_execute (CONST_CAST (char **, new_argv)); |
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570 |
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571 output_names[i] = output_name; |
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572 } |
63
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573 if (parallel) |
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574 { |
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575 struct pex_obj *pex; |
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576 char jobs[32]; |
67
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577 |
63
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578 fprintf (mstream, "all:"); |
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579 for (i = 0; i < nr; ++i) |
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580 fprintf (mstream, " \\\n\t%s", output_names[i]); |
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581 fprintf (mstream, "\n"); |
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582 fclose (mstream); |
67
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583 if (!jobserver) |
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584 { |
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585 /* Avoid passing --jobserver-fd= and similar flags |
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586 unless jobserver mode is explicitly enabled. */ |
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587 putenv (xstrdup ("MAKEFLAGS=")); |
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588 putenv (xstrdup ("MFLAGS=")); |
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589 } |
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590 new_argv[0] = getenv ("MAKE"); |
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591 if (!new_argv[0]) |
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592 new_argv[0] = "make"; |
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593 new_argv[1] = "-f"; |
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594 new_argv[2] = makefile; |
67
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595 i = 3; |
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596 if (!jobserver) |
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597 { |
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598 snprintf (jobs, 31, "-j%d", parallel); |
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599 new_argv[i++] = jobs; |
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600 } |
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601 new_argv[i++] = "all"; |
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602 new_argv[i++] = NULL; |
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603 pex = collect_execute (CONST_CAST (char **, new_argv)); |
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604 collect_wait (new_argv[0], pex); |
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605 maybe_unlink_file (makefile); |
67
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606 makefile = NULL; |
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607 } |
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608 for (i = 0; i < nr; ++i) |
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609 { |
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610 fputs (output_names[i], stdout); |
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611 putc ('\n', stdout); |
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612 maybe_unlink_file (input_names[i]); |
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613 free (input_names[i]); |
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614 } |
67
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615 nr = 0; |
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616 free (output_names); |
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617 free (input_names); |
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618 free (list_option_full); |
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619 } |
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620 |
63
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621 obstack_free (&env_obstack, NULL); |
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622 } |
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623 |
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624 |
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625 /* Entry point. */ |
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626 |
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627 int |
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628 main (int argc, char *argv[]) |
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629 { |
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630 gcc_init_libintl (); |
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631 |
67
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632 if (signal (SIGINT, SIG_IGN) != SIG_IGN) |
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633 signal (SIGINT, fatal_signal); |
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634 #ifdef SIGHUP |
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635 if (signal (SIGHUP, SIG_IGN) != SIG_IGN) |
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636 signal (SIGHUP, fatal_signal); |
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637 #endif |
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638 if (signal (SIGTERM, SIG_IGN) != SIG_IGN) |
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639 signal (SIGTERM, fatal_signal); |
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640 #ifdef SIGPIPE |
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641 if (signal (SIGPIPE, SIG_IGN) != SIG_IGN) |
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642 signal (SIGPIPE, fatal_signal); |
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643 #endif |
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644 #ifdef SIGCHLD |
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645 /* We *MUST* set SIGCHLD to SIG_DFL so that the wait4() call will |
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646 receive the signal. A different setting is inheritable */ |
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647 signal (SIGCHLD, SIG_DFL); |
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648 #endif |
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649 |
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650 /* We may be called with all the arguments stored in some file and |
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651 passed with @file. Expand them into argv before processing. */ |
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652 expandargv (&argc, &argv); |
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653 run_gcc (argc, argv); |
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654 |
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655 return 0; |
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656 } |