Mercurial > hg > CbC > CbC_gcc
annotate gcc/lto-section-out.c @ 108:7ad14f446135
add CbC-example/rectypeTest/
author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
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date | Thu, 14 Jun 2012 20:30:24 +0900 |
parents | f6334be47118 |
children | 04ced10e8804 |
rev | line source |
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1 /* Functions for writing LTO sections. |
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2 |
67
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3 Copyright (C) 2009, 2010 Free Software Foundation, Inc. |
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4 Contributed by Kenneth Zadeck <zadeck@naturalbridge.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 #include "config.h" |
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23 #include "system.h" |
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24 #include "coretypes.h" |
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25 #include "tm.h" |
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26 #include "tree.h" |
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27 #include "expr.h" |
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28 #include "params.h" |
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29 #include "input.h" |
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30 #include "hashtab.h" |
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31 #include "basic-block.h" |
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32 #include "tree-flow.h" |
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33 #include "tree-pass.h" |
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34 #include "cgraph.h" |
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35 #include "function.h" |
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36 #include "ggc.h" |
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37 #include "except.h" |
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38 #include "vec.h" |
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39 #include "pointer-set.h" |
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40 #include "bitmap.h" |
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41 #include "langhooks.h" |
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42 #include "lto-streamer.h" |
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43 #include "lto-compress.h" |
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44 |
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45 static VEC(lto_out_decl_state_ptr, heap) *decl_state_stack; |
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46 |
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47 /* List of out decl states used by functions. We use this to |
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48 generate the decl directory later. */ |
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49 |
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50 VEC(lto_out_decl_state_ptr, heap) *lto_function_decl_states; |
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51 /* Returns a hash code for P. */ |
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52 |
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53 hashval_t |
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54 lto_hash_decl_slot_node (const void *p) |
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55 { |
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56 const struct lto_decl_slot *ds = (const struct lto_decl_slot *) p; |
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57 |
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58 /* |
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59 return (hashval_t) DECL_UID (ds->t); |
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60 */ |
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61 return (hashval_t) TREE_HASH (ds->t); |
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62 } |
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63 |
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64 |
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65 /* Returns nonzero if P1 and P2 are equal. */ |
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66 |
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67 int |
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68 lto_eq_decl_slot_node (const void *p1, const void *p2) |
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69 { |
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70 const struct lto_decl_slot *ds1 = |
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71 (const struct lto_decl_slot *) p1; |
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72 const struct lto_decl_slot *ds2 = |
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73 (const struct lto_decl_slot *) p2; |
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74 |
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75 /* |
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76 return DECL_UID (ds1->t) == DECL_UID (ds2->t); |
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77 */ |
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78 return ds1->t == ds2->t; |
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79 } |
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80 |
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81 |
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82 /* Returns a hash code for P. */ |
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83 |
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84 hashval_t |
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85 lto_hash_type_slot_node (const void *p) |
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86 { |
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87 const struct lto_decl_slot *ds = (const struct lto_decl_slot *) p; |
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88 return (hashval_t) TYPE_UID (ds->t); |
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89 } |
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90 |
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91 |
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92 /* Returns nonzero if P1 and P2 are equal. */ |
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93 |
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94 int |
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95 lto_eq_type_slot_node (const void *p1, const void *p2) |
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96 { |
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97 const struct lto_decl_slot *ds1 = |
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98 (const struct lto_decl_slot *) p1; |
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99 const struct lto_decl_slot *ds2 = |
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100 (const struct lto_decl_slot *) p2; |
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101 |
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102 return TYPE_UID (ds1->t) == TYPE_UID (ds2->t); |
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103 } |
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104 |
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105 /***************************************************************************** |
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106 Output routines shared by all of the serialization passes. |
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107 *****************************************************************************/ |
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108 |
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109 |
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110 /* Flush compressed stream data function, sends NUM_CHARS from CHARS |
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111 to the append lang hook, OPAQUE is currently always NULL. */ |
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112 |
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113 static void |
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114 lto_append_data (const char *chars, unsigned int num_chars, void *opaque) |
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115 { |
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116 gcc_assert (opaque == NULL); |
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117 lang_hooks.lto.append_data (chars, num_chars, opaque); |
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118 } |
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119 |
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120 /* Pointer to the current compression stream. */ |
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121 |
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122 static struct lto_compression_stream *compression_stream = NULL; |
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123 |
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124 /* Begin a new output section named NAME. If COMPRESS is true, zlib compress |
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125 the section. */ |
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126 |
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127 void |
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128 lto_begin_section (const char *name, bool compress) |
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129 { |
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130 lang_hooks.lto.begin_section (name); |
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131 |
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132 /* FIXME lto: for now, suppress compression if the lang_hook that appends |
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133 data is anything other than assembler output. The effect here is that |
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134 we get compression of IL only in non-ltrans object files. */ |
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135 gcc_assert (compression_stream == NULL); |
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136 if (compress) |
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137 compression_stream = lto_start_compression (lto_append_data, NULL); |
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138 } |
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139 |
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140 |
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141 /* End the current output section. */ |
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142 |
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143 void |
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144 lto_end_section (void) |
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145 { |
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146 if (compression_stream) |
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147 { |
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148 lto_end_compression (compression_stream); |
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149 compression_stream = NULL; |
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150 } |
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151 lang_hooks.lto.end_section (); |
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152 } |
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153 |
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154 |
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155 /* Write all of the chars in OBS to the assembler. Recycle the blocks |
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156 in obs as this is being done. */ |
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157 |
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158 void |
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159 lto_write_stream (struct lto_output_stream *obs) |
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160 { |
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161 unsigned int block_size = 1024; |
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162 struct lto_char_ptr_base *block; |
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163 struct lto_char_ptr_base *next_block; |
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164 if (!obs->first_block) |
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165 return; |
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166 |
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167 for (block = obs->first_block; block; block = next_block) |
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168 { |
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169 const char *base = ((char *)block) + sizeof (struct lto_char_ptr_base); |
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170 unsigned int num_chars = block_size - sizeof (struct lto_char_ptr_base); |
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171 |
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172 /* If this is not the last block, it is full. If it is the last |
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173 block, left_in_block indicates how many chars are unoccupied in |
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174 this block; subtract from num_chars to obtain occupancy. */ |
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175 next_block = (struct lto_char_ptr_base *) block->ptr; |
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176 if (!next_block) |
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177 num_chars -= obs->left_in_block; |
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178 |
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179 /* FIXME lto: WPA mode uses an ELF function as a lang_hook to append |
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180 output data. This hook is not happy with the way that compression |
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181 blocks up output differently to the way it's blocked here. So for |
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182 now, we don't compress WPA output. */ |
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183 if (compression_stream) |
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184 { |
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185 lto_compress_block (compression_stream, base, num_chars); |
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186 lang_hooks.lto.append_data (NULL, 0, block); |
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187 } |
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188 else |
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189 lang_hooks.lto.append_data (base, num_chars, block); |
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190 block_size *= 2; |
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191 } |
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192 } |
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193 |
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194 |
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195 /* Adds a new block to output stream OBS. */ |
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196 |
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197 static void |
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198 append_block (struct lto_output_stream *obs) |
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199 { |
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200 struct lto_char_ptr_base *new_block; |
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201 |
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202 gcc_assert (obs->left_in_block == 0); |
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203 |
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204 if (obs->first_block == NULL) |
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205 { |
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206 /* This is the first time the stream has been written |
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207 into. */ |
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208 obs->block_size = 1024; |
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209 new_block = (struct lto_char_ptr_base*) xmalloc (obs->block_size); |
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210 obs->first_block = new_block; |
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211 } |
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212 else |
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213 { |
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214 struct lto_char_ptr_base *tptr; |
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215 /* Get a new block that is twice as big as the last block |
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216 and link it into the list. */ |
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217 obs->block_size *= 2; |
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218 new_block = (struct lto_char_ptr_base*) xmalloc (obs->block_size); |
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219 /* The first bytes of the block are reserved as a pointer to |
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220 the next block. Set the chain of the full block to the |
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221 pointer to the new block. */ |
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222 tptr = obs->current_block; |
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223 tptr->ptr = (char *) new_block; |
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224 } |
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225 |
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226 /* Set the place for the next char at the first position after the |
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227 chain to the next block. */ |
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228 obs->current_pointer |
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229 = ((char *) new_block) + sizeof (struct lto_char_ptr_base); |
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230 obs->current_block = new_block; |
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231 /* Null out the newly allocated block's pointer to the next block. */ |
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232 new_block->ptr = NULL; |
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233 obs->left_in_block = obs->block_size - sizeof (struct lto_char_ptr_base); |
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234 } |
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235 |
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236 |
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237 /* Write a character to the output block. */ |
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238 |
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239 void |
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240 lto_output_1_stream (struct lto_output_stream *obs, char c) |
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241 { |
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242 /* No space left. */ |
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243 if (obs->left_in_block == 0) |
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244 append_block (obs); |
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245 |
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246 /* Write the actual character. */ |
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247 *obs->current_pointer = c; |
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248 obs->current_pointer++; |
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249 obs->total_size++; |
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250 obs->left_in_block--; |
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251 } |
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252 |
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253 |
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254 /* Write raw DATA of length LEN to the output block OB. */ |
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255 |
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256 void |
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257 lto_output_data_stream (struct lto_output_stream *obs, const void *data, |
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258 size_t len) |
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259 { |
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260 while (len) |
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261 { |
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262 size_t copy; |
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263 |
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264 /* No space left. */ |
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265 if (obs->left_in_block == 0) |
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266 append_block (obs); |
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267 |
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268 /* Determine how many bytes to copy in this loop. */ |
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269 if (len <= obs->left_in_block) |
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270 copy = len; |
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271 else |
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272 copy = obs->left_in_block; |
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273 |
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|
274 /* Copy the data and do bookkeeping. */ |
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275 memcpy (obs->current_pointer, data, copy); |
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276 obs->current_pointer += copy; |
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277 obs->total_size += copy; |
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278 obs->left_in_block -= copy; |
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279 data = (const char *) data + copy; |
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|
280 len -= copy; |
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|
281 } |
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|
282 } |
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|
283 |
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|
284 |
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parents:
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|
285 /* Output an unsigned LEB128 quantity to OBS. */ |
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parents:
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|
286 |
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parents:
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|
287 void |
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|
288 lto_output_uleb128_stream (struct lto_output_stream *obs, |
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parents:
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|
289 unsigned HOST_WIDE_INT work) |
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parents:
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|
290 { |
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parents:
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|
291 do |
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parents:
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|
292 { |
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|
293 unsigned int byte = (work & 0x7f); |
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parents:
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|
294 work >>= 7; |
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|
295 if (work != 0) |
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parents:
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changeset
|
296 /* More bytes to follow. */ |
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|
297 byte |= 0x80; |
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|
298 |
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parents:
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|
299 lto_output_1_stream (obs, byte); |
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parents:
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changeset
|
300 } |
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parents:
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changeset
|
301 while (work != 0); |
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parents:
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|
302 } |
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|
303 |
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parents:
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|
304 /* Identical to output_uleb128_stream above except using unsigned |
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parents:
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changeset
|
305 HOST_WIDEST_INT type. For efficiency on host where unsigned HOST_WIDEST_INT |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
306 is not native, we only use this if we know that HOST_WIDE_INT is not wide |
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parents:
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|
307 enough. */ |
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parents:
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|
308 |
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parents:
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|
309 void |
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parents:
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|
310 lto_output_widest_uint_uleb128_stream (struct lto_output_stream *obs, |
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parents:
diff
changeset
|
311 unsigned HOST_WIDEST_INT work) |
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parents:
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|
312 { |
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parents:
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|
313 do |
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parents:
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|
314 { |
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parents:
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|
315 unsigned int byte = (work & 0x7f); |
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parents:
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|
316 work >>= 7; |
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|
317 if (work != 0) |
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parents:
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|
318 /* More bytes to follow. */ |
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|
319 byte |= 0x80; |
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parents:
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|
320 |
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parents:
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changeset
|
321 lto_output_1_stream (obs, byte); |
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parents:
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|
322 } |
77e2b8dfacca
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parents:
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|
323 while (work != 0); |
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parents:
diff
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|
324 } |
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parents:
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|
325 |
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parents:
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|
326 |
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parents:
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|
327 /* Output a signed LEB128 quantity. */ |
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parents:
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|
328 |
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parents:
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|
329 void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
330 lto_output_sleb128_stream (struct lto_output_stream *obs, HOST_WIDE_INT work) |
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parents:
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|
331 { |
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parents:
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|
332 int more, byte; |
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parents:
diff
changeset
|
333 |
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parents:
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changeset
|
334 do |
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parents:
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|
335 { |
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parents:
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|
336 byte = (work & 0x7f); |
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337 /* arithmetic shift */ |
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338 work >>= 7; |
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339 more = !((work == 0 && (byte & 0x40) == 0) |
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340 || (work == -1 && (byte & 0x40) != 0)); |
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341 if (more) |
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342 byte |= 0x80; |
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343 |
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344 lto_output_1_stream (obs, byte); |
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345 } |
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346 while (more); |
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347 } |
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348 |
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349 |
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350 /* Lookup NAME in ENCODER. If NAME is not found, create a new entry in |
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351 ENCODER for NAME with the next available index of ENCODER, then |
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352 print the index to OBS. True is returned if NAME was added to |
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353 ENCODER. The resulting index is stored in THIS_INDEX. |
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354 |
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355 If OBS is NULL, the only action is to add NAME to the encoder. */ |
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356 |
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357 bool |
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358 lto_output_decl_index (struct lto_output_stream *obs, |
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359 struct lto_tree_ref_encoder *encoder, |
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360 tree name, unsigned int *this_index) |
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361 { |
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362 void **slot; |
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363 struct lto_decl_slot d_slot; |
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364 int index; |
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365 bool new_entry_p = FALSE; |
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366 |
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367 d_slot.t = name; |
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368 slot = htab_find_slot (encoder->tree_hash_table, &d_slot, INSERT); |
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369 if (*slot == NULL) |
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370 { |
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371 struct lto_decl_slot *new_slot |
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372 = (struct lto_decl_slot *) xmalloc (sizeof (struct lto_decl_slot)); |
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373 index = encoder->next_index++; |
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374 |
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375 new_slot->t = name; |
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376 new_slot->slot_num = index; |
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377 *slot = new_slot; |
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|
378 VEC_safe_push (tree, heap, encoder->trees, name); |
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379 new_entry_p = TRUE; |
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380 } |
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381 else |
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|
382 { |
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383 struct lto_decl_slot *old_slot = (struct lto_decl_slot *)*slot; |
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|
384 index = old_slot->slot_num; |
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|
385 } |
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|
386 |
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387 if (obs) |
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|
388 lto_output_uleb128_stream (obs, index); |
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389 *this_index = index; |
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390 return new_entry_p; |
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|
391 } |
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|
392 |
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|
393 /* Output a field DECL to OBS. */ |
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|
394 |
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|
395 void |
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|
396 lto_output_field_decl_index (struct lto_out_decl_state *decl_state, |
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parents:
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397 struct lto_output_stream * obs, tree decl) |
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parents:
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|
398 { |
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parents:
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|
399 unsigned int index; |
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parents:
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|
400 lto_output_decl_index (obs, &decl_state->streams[LTO_DECL_STREAM_FIELD_DECL], |
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parents:
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|
401 decl, &index); |
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parents:
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|
402 } |
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parents:
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|
403 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
404 /* Output a function DECL to OBS. */ |
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parents:
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|
405 |
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parents:
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changeset
|
406 void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
407 lto_output_fn_decl_index (struct lto_out_decl_state *decl_state, |
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parents:
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changeset
|
408 struct lto_output_stream * obs, tree decl) |
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parents:
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|
409 { |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
410 unsigned int index; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
411 lto_output_decl_index (obs, &decl_state->streams[LTO_DECL_STREAM_FN_DECL], |
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parents:
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changeset
|
412 decl, &index); |
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parents:
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changeset
|
413 } |
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parents:
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|
414 |
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parents:
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changeset
|
415 /* Output a namespace DECL to OBS. */ |
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parents:
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|
416 |
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parents:
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|
417 void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
|
418 lto_output_namespace_decl_index (struct lto_out_decl_state *decl_state, |
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parents:
diff
changeset
|
419 struct lto_output_stream * obs, tree decl) |
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parents:
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|
420 { |
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parents:
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changeset
|
421 unsigned int index; |
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parents:
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changeset
|
422 lto_output_decl_index (obs, |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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|
423 &decl_state->streams[LTO_DECL_STREAM_NAMESPACE_DECL], |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
424 decl, &index); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
425 } |
77e2b8dfacca
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parents:
diff
changeset
|
426 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
427 /* Output a static or extern var DECL to OBS. */ |
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parents:
diff
changeset
|
428 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
429 void |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
430 lto_output_var_decl_index (struct lto_out_decl_state *decl_state, |
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parents:
diff
changeset
|
431 struct lto_output_stream * obs, tree decl) |
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parents:
diff
changeset
|
432 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
433 unsigned int index; |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
434 lto_output_decl_index (obs, &decl_state->streams[LTO_DECL_STREAM_VAR_DECL], |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
435 decl, &index); |
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parents:
diff
changeset
|
436 } |
77e2b8dfacca
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parents:
diff
changeset
|
437 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
438 /* Output a type DECL to OBS. */ |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
439 |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
440 void |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
441 lto_output_type_decl_index (struct lto_out_decl_state *decl_state, |
77e2b8dfacca
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parents:
diff
changeset
|
442 struct lto_output_stream * obs, tree decl) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
443 { |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
444 unsigned int index; |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
445 lto_output_decl_index (obs, &decl_state->streams[LTO_DECL_STREAM_TYPE_DECL], |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
446 decl, &index); |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
447 } |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
448 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
449 /* Output a type REF to OBS. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
450 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
451 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
452 lto_output_type_ref_index (struct lto_out_decl_state *decl_state, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
453 struct lto_output_stream *obs, tree ref) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
454 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
455 unsigned int index; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
456 lto_output_decl_index (obs, &decl_state->streams[LTO_DECL_STREAM_TYPE], |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
457 ref, &index); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
458 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
459 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
460 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
461 /* Create the output block and return it. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
462 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
463 struct lto_simple_output_block * |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
464 lto_create_simple_output_block (enum lto_section_type section_type) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
465 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
466 struct lto_simple_output_block *ob |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
467 = ((struct lto_simple_output_block *) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
468 xcalloc (1, sizeof (struct lto_simple_output_block))); |
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 ob->section_type = section_type; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
471 ob->decl_state = lto_get_out_decl_state (); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
472 ob->main_stream = ((struct lto_output_stream *) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
473 xcalloc (1, sizeof (struct lto_output_stream))); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
474 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
475 return ob; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
476 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
477 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
478 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
479 /* Produce a simple section for one of the ipa passes. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
480 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
481 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
482 lto_destroy_simple_output_block (struct lto_simple_output_block *ob) |
77e2b8dfacca
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
483 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
484 char *section_name; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
485 struct lto_simple_header header; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
486 struct lto_output_stream *header_stream; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
487 |
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
|
488 section_name = lto_get_section_name (ob->section_type, NULL, NULL); |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
489 lto_begin_section (section_name, !flag_wpa); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
490 free (section_name); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
491 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
492 /* Write the header which says how to decode the pieces of the |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
493 t. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
494 memset (&header, 0, sizeof (struct lto_simple_header)); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
495 header.lto_header.major_version = LTO_major_version; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
496 header.lto_header.minor_version = LTO_minor_version; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
497 header.lto_header.section_type = LTO_section_cgraph; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
498 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
499 header.compressed_size = 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
500 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
501 header.main_size = ob->main_stream->total_size; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
502 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
503 header_stream = XCNEW (struct lto_output_stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
504 lto_output_data_stream (header_stream, &header, sizeof header); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
505 lto_write_stream (header_stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
506 free (header_stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
507 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
508 lto_write_stream (ob->main_stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
509 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
510 /* Put back the assembly section that was there before we started |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
511 writing lto info. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
512 lto_end_section (); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
513 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
514 free (ob->main_stream); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
515 free (ob); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
516 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
517 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
518 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
519 /* Return a new lto_out_decl_state. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
520 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
521 struct lto_out_decl_state * |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
522 lto_new_out_decl_state (void) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
523 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
524 struct lto_out_decl_state *state = XCNEW (struct lto_out_decl_state); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
525 int i; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
526 htab_hash hash_fn; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
527 htab_eq eq_fn; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
528 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
529 for (i = 0; i < LTO_N_DECL_STREAMS; i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
530 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
531 if (i == LTO_DECL_STREAM_TYPE) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
532 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
533 hash_fn = lto_hash_type_slot_node; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
534 eq_fn = lto_eq_type_slot_node; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
535 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
536 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
537 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
538 hash_fn = lto_hash_decl_slot_node; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
539 eq_fn = lto_eq_decl_slot_node; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
540 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
541 lto_init_tree_ref_encoder (&state->streams[i], hash_fn, eq_fn); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
542 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
543 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
544 return state; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
545 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
546 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
547 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
548 /* Delete STATE and components. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
549 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
550 void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
551 lto_delete_out_decl_state (struct lto_out_decl_state *state) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
552 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
553 int i; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
554 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
555 for (i = 0; i < LTO_N_DECL_STREAMS; i++) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
556 lto_destroy_tree_ref_encoder (&state->streams[i]); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
557 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
558 free (state); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
559 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
560 |
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561 |
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562 /* Get the currently used lto_out_decl_state structure. */ |
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563 |
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564 struct lto_out_decl_state * |
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565 lto_get_out_decl_state (void) |
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566 { |
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567 return VEC_last (lto_out_decl_state_ptr, decl_state_stack); |
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568 } |
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569 |
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570 /* Push STATE to top of out decl stack. */ |
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571 |
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572 void |
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parents:
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573 lto_push_out_decl_state (struct lto_out_decl_state *state) |
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574 { |
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575 VEC_safe_push (lto_out_decl_state_ptr, heap, decl_state_stack, state); |
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576 } |
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577 |
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578 /* Pop the currently used out-decl state from top of stack. */ |
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579 |
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580 struct lto_out_decl_state * |
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parents:
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581 lto_pop_out_decl_state (void) |
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582 { |
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583 return VEC_pop (lto_out_decl_state_ptr, decl_state_stack); |
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584 } |
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585 |
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parents:
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586 /* Record STATE after it has been used in serializing the body of |
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587 FN_DECL. STATE should no longer be used by the caller. The ownership |
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parents:
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588 of it is taken over from this point. */ |
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589 |
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590 void |
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591 lto_record_function_out_decl_state (tree fn_decl, |
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592 struct lto_out_decl_state *state) |
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parents:
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593 { |
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594 int i; |
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595 |
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596 /* Strip all hash tables to save some memory. */ |
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parents:
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597 for (i = 0; i < LTO_N_DECL_STREAMS; i++) |
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parents:
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598 if (state->streams[i].tree_hash_table) |
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parents:
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599 { |
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parents:
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600 htab_delete (state->streams[i].tree_hash_table); |
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parents:
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601 state->streams[i].tree_hash_table = NULL; |
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parents:
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602 } |
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parents:
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603 state->fn_decl = fn_decl; |
77e2b8dfacca
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parents:
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|
604 VEC_safe_push (lto_out_decl_state_ptr, heap, lto_function_decl_states, |
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parents:
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605 state); |
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parents:
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606 } |