Mercurial > hg > CbC > CbC_gcc

annotate gcc/lto-section-in.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Input functions for reading LTO sections.
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2
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3 Copyright (C) 2009-2020 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 "backend.h"
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26 #include "rtl.h"
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27 #include "tree.h"
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28 #include "gimple.h"
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29 #include "cgraph.h"
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30 #include "lto-streamer.h"
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31 #include "lto-compress.h"
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32
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33 /* Section names. These must correspond to the values of
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34 enum lto_section_type. */
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35 const char *lto_section_name[LTO_N_SECTION_TYPES] =
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36 {
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37 "decls",
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38 "function_body",
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39 "statics",
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40 "symtab",
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41 "refs",
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42 "asm",
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43 "jmpfuncs",
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44 "pureconst",
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45 "reference",
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46 "profile",
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47 "symbol_nodes",
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48 "opts",
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49 "cgraphopt",
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50 "inline",
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51 "ipcp_trans",
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52 "icf",
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53 "offload_table",
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54 "mode_table",
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55 "hsa",
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56 "lto",
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57 "ipa_sra"
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58 };
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59
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60 /* Hooks so that the ipa passes can call into the lto front end to get
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61 sections. */
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62
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63 static struct lto_file_decl_data ** file_decl_data;
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64 static lto_get_section_data_f* get_section_f;
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65 static lto_free_section_data_f* free_section_f;
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66
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67
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68 /* This is called from the lto front end to set up the hooks that are
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69 used by the ipa passes to get the data that they will
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70 deserialize. */
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71
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72 void
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73 lto_set_in_hooks (struct lto_file_decl_data ** data,
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74 lto_get_section_data_f* get_f,
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75 lto_free_section_data_f* free_f)
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76 {
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77 file_decl_data = data;
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78 get_section_f = get_f;
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79 free_section_f = free_f;
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80 }
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81
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82
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83 /* Return an array of file decl datas for all of the files passed to
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84 this compilation. */
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85
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86 struct lto_file_decl_data **
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87 lto_get_file_decl_data (void)
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88 {
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89 gcc_assert (file_decl_data);
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90 return file_decl_data;
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91 }
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92
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93 /* Buffer structure for accumulating data from compression callbacks. */
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94
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95 struct lto_buffer
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96 {
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97 char *data;
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98 size_t length;
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99 };
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100
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101 /* Compression callback, append LENGTH bytes from DATA to the buffer pointed
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102 to by OPAQUE. */
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103
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104 static void
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105 lto_append_data (const char *data, unsigned length, void *opaque)
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106 {
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107 struct lto_buffer *buffer = (struct lto_buffer *) opaque;
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108
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109 buffer->data = (char *) xrealloc (buffer->data, buffer->length + length);
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110 memcpy (buffer->data + buffer->length, data, length);
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111 buffer->length += length;
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112 }
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113
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114 /* Header placed in returned uncompressed data streams. Allows the
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115 uncompressed allocated data to be mapped back to the underlying
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116 compressed data for use with free_section_f. */
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117
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118 struct lto_data_header
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119 {
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120 const char *data;
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121 size_t len;
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122 };
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123
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124 /* Return a char pointer to the start of a data stream for an LTO pass
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125 or function. FILE_DATA indicates where to obtain the data.
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126 SECTION_TYPE is the type of information to be obtained. NAME is
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127 the name of the function and is only used when finding a function
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128 body; otherwise it is NULL. LEN is the size of the data
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129 returned. */
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130
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131 const char *
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132 lto_get_section_data (struct lto_file_decl_data *file_data,
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133 enum lto_section_type section_type,
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diff changeset
134 const char *name, int order,
111
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135 size_t *len, bool decompress)
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136 {
145
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137 const char *data = (get_section_f) (file_data, section_type, name, order,
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138 len);
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139 const size_t header_length = sizeof (struct lto_data_header);
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140 struct lto_data_header *header;
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parents:
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141 struct lto_buffer buffer;
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142 struct lto_compression_stream *stream;
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143 lto_stats.section_size[section_type] += *len;
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144
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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145 if (data == NULL)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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146 return NULL;
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147
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148 /* WPA->ltrans streams are not compressed with exception of function bodies
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149 and variable initializers that has been verbatim copied from earlier
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150 compilations. */
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parents: 131
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151 if ((!flag_ltrans || decompress) && section_type != LTO_section_lto)
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152 {
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153 /* Create a mapping header containing the underlying data and length,
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154 and prepend this to the uncompression buffer. The uncompressed data
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155 then follows, and a pointer to the start of the uncompressed data is
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diff changeset
156 returned. */
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157 header = (struct lto_data_header *) xmalloc (header_length);
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158 header->data = data;
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159 header->len = *len;
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160
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161 buffer.data = (char *) header;
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162 buffer.length = header_length;
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163
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164 stream = lto_start_uncompression (lto_append_data, &buffer);
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165 lto_uncompress_block (stream, data, *len);
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166 lto_end_uncompression (stream,
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167 file_data->lto_section_header.get_compression ());
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168
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169 *len = buffer.length - header_length;
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170 data = buffer.data + header_length;
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171 }
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172
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173 return data;
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174 }
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175
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parents: 131
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176 /* Return a char pointer to the start of a data stream for an LTO pass.
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177 FILE_DATA indicates where to obtain the data.
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178 SECTION_TYPE is the type of information to be obtained.
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parents: 131
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179 LEN is the size of the data returned. */
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parents: 131
diff changeset
180
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parents: 131
diff changeset
181 const char *
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parents: 131
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182 lto_get_summary_section_data (struct lto_file_decl_data *file_data,
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parents: 131
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183 enum lto_section_type section_type, size_t *len)
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parents: 131
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184 {
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185 return lto_get_section_data (file_data, section_type, NULL, 0, len);
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186 }
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187
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188 /* Get the section data without any header parsing or uncompression. */
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189
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190 const char *
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191 lto_get_raw_section_data (struct lto_file_decl_data *file_data,
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192 enum lto_section_type section_type,
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193 const char *name, int order,
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194 size_t *len)
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195 {
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196 return (get_section_f) (file_data, section_type, name, order, len);
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197 }
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198
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199 /* Free the data found from the above call. The first three
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200 parameters are the same as above. DATA is the data to be freed and
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201 LEN is the length of that data. */
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parents:
diff changeset
202
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 void
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 lto_free_section_data (struct lto_file_decl_data *file_data,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 enum lto_section_type section_type,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 const char *name,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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diff changeset
207 const char *data,
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diff changeset
208 size_t len, bool decompress)
55
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diff changeset
209 {
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diff changeset
210 const size_t header_length = sizeof (struct lto_data_header);
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diff changeset
211 const char *real_data = data - header_length;
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parents:
diff changeset
212 const struct lto_data_header *header
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213 = (const struct lto_data_header *) real_data;
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parents:
diff changeset
214
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 gcc_assert (free_section_f);
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parents:
diff changeset
216
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diff changeset
217 if (flag_ltrans && !decompress)
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parents:
diff changeset
218 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 (free_section_f) (file_data, section_type, name, data, len);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 return;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 /* The underlying data address has been extracted from the mapping header.
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 Free that, then free the allocated uncompression buffer. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 (free_section_f) (file_data, section_type, name, header->data, header->len);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 free (CONST_CAST (char *, real_data));
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228
111
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diff changeset
229 /* Free data allocated by lto_get_raw_section_data. */
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diff changeset
230
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diff changeset
231 void
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232 lto_free_raw_section_data (struct lto_file_decl_data *file_data,
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diff changeset
233 enum lto_section_type section_type,
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diff changeset
234 const char *name,
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diff changeset
235 const char *data,
kono
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diff changeset
236 size_t len)
kono
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diff changeset
237 {
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diff changeset
238 (free_section_f) (file_data, section_type, name, data, len);
kono
parents: 67
diff changeset
239 }
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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diff changeset
240
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 /* Load a section of type SECTION_TYPE from FILE_DATA, parse the
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 header and then return an input block pointing to the section. The
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 raw pointer to the section is returned in DATAR and LEN. These are
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 used to free the section. Return NULL if the section is not present. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245
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parents: 131
diff changeset
246 class lto_input_block *
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247 lto_create_simple_input_block (struct lto_file_decl_data *file_data,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 enum lto_section_type section_type,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 const char **datar, size_t *len)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
250 {
145
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parents: 131
diff changeset
251 const char *data = lto_get_section_data (file_data, section_type, NULL, 0,
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
252 len);
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
253 const struct lto_simple_header * header
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parents:
diff changeset
254 = (const struct lto_simple_header *) data;
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diff changeset
255
111
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diff changeset
256 int main_offset = sizeof (struct lto_simple_header);
55
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parents:
diff changeset
257
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 if (!data)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
259 return NULL;
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parents:
diff changeset
260
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 *datar = data;
111
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diff changeset
262 return new lto_input_block (data + main_offset, header->main_size,
kono
parents: 67
diff changeset
263 file_data->mode_table);
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
264 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
265
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
266
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
267 /* Close the section returned from a call to
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
268 LTO_CREATE_SIMPLE_INPUT_BLOCK. IB is the input block returned from
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
269 that call. The FILE_DATA and SECTION_TYPE are the same as what was
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
270 passed to that call and the DATA and LEN are what was returned from
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 that call. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
272
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
273 void
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
274 lto_destroy_simple_input_block (struct lto_file_decl_data *file_data,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 enum lto_section_type section_type,
145
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anatofuz
parents: 131
diff changeset
276 class lto_input_block *ib,
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 const char *data, size_t len)
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diff changeset
278 {
111
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diff changeset
279 delete ib;
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
280 lto_free_section_data (file_data, section_type, NULL, data, len);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
281 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
282
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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diff changeset
283 /*****************************************************************************/
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 /* Record renamings of static declarations */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
285 /*****************************************************************************/
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
286
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
287 struct lto_renaming_slot
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
288 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
289 const char *old_name;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
290 const char *new_name;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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diff changeset
291 };
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
292
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
293 /* Returns a hash code for P. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
294
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
295 static hashval_t
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
296 hash_name (const void *p)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
297 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
298 const struct lto_renaming_slot *ds = (const struct lto_renaming_slot *) p;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
299 return (hashval_t) htab_hash_string (ds->new_name);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
300 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
301
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
302 /* Returns nonzero if P1 and P2 are equal. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
303
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 static int
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
305 eq_name (const void *p1, const void *p2)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
306 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
307 const struct lto_renaming_slot *s1 =
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
308 (const struct lto_renaming_slot *) p1;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
309 const struct lto_renaming_slot *s2 =
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
310 (const struct lto_renaming_slot *) p2;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
311
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
312 return strcmp (s1->new_name, s2->new_name) == 0;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
313 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
314
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
315 /* Free a renaming table entry. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
316
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
317 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
318 renaming_slot_free (void *slot)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
319 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
320 struct lto_renaming_slot *s = (struct lto_renaming_slot *) slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
321
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
322 free (CONST_CAST (void *, (const void *) s->old_name));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
323 free (CONST_CAST (void *, (const void *) s->new_name));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
324 free ((void *) s);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
325 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
326
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
327 /* Create an empty hash table for recording declaration renamings. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
328
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
329 htab_t
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
330 lto_create_renaming_table (void)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
331 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
332 return htab_create (37, hash_name, eq_name, renaming_slot_free);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
333 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
334
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
335 /* Record a declaration name mapping OLD_NAME -> NEW_NAME. DECL_DATA
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
336 holds the renaming hash table to use. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
337
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
338 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
339 lto_record_renamed_decl (struct lto_file_decl_data *decl_data,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
340 const char *old_name, const char *new_name)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
341 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
342 void **slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 struct lto_renaming_slot r_slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
344
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
345 r_slot.new_name = new_name;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
346 slot = htab_find_slot (decl_data->renaming_hash_table, &r_slot, INSERT);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 if (*slot == NULL)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
348 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
349 struct lto_renaming_slot *new_slot = XNEW (struct lto_renaming_slot);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
350 new_slot->old_name = xstrdup (old_name);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
351 new_slot->new_name = xstrdup (new_name);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
352 *slot = new_slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
353 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
354 else
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
355 gcc_unreachable ();
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
356 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
357
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
358
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
359 /* Given a string NAME, return the string that it has been mapped to
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
360 by lto_record_renamed_decl. If NAME was not renamed, it is
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 returned unchanged. DECL_DATA holds the renaming hash table to use. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
362
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
363 const char *
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
364 lto_get_decl_name_mapping (struct lto_file_decl_data *decl_data,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
365 const char *name)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
366 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
367 htab_t renaming_hash_table = decl_data->renaming_hash_table;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
368 struct lto_renaming_slot *slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
369 struct lto_renaming_slot r_slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
370
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
371 r_slot.new_name = name;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 slot = (struct lto_renaming_slot *) htab_find (renaming_hash_table, &r_slot);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
373 if (slot)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
374 return slot->old_name;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
375 else
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
376 return name;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
377 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
378
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
379 /*****************************************************************************/
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
380 /* Input decl state object. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
381 /*****************************************************************************/
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
382
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
383 /* Return a newly created in-decl state object. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
384
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
385 struct lto_in_decl_state *
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
386 lto_new_in_decl_state (void)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
387 {
111
kono
parents: 67
diff changeset
388 return ggc_cleared_alloc<lto_in_decl_state> ();
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
389 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
390
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
391 /* Delete STATE and its components. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
392
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
394 lto_delete_in_decl_state (struct lto_in_decl_state *state)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
395 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
396 int i;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
397
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 for (i = 0; i < LTO_N_DECL_STREAMS; i++)
111
kono
parents: 67
diff changeset
399 vec_free (state->streams[i]);
63
b7f97abdc517 update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents: 55
diff changeset
400 ggc_free (state);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
401 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
402
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
403 /* Search the in-decl state of a function FUNC contained in the file
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 associated with FILE_DATA. Return NULL if not found. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
405
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
406 struct lto_in_decl_state*
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
407 lto_get_function_in_decl_state (struct lto_file_decl_data *file_data,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
408 tree func)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
409 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
410 struct lto_in_decl_state temp;
111
kono
parents: 67
diff changeset
411 lto_in_decl_state **slot;
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
412
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
413 temp.fn_decl = func;
111
kono
parents: 67
diff changeset
414 slot = file_data->function_decl_states->find_slot (&temp, NO_INSERT);
kono
parents: 67
diff changeset
415 return slot? *slot : NULL;
kono
parents: 67
diff changeset
416 }
kono
parents: 67
diff changeset
417
kono
parents: 67
diff changeset
418 /* Free decl_states. */
kono
parents: 67
diff changeset
419
kono
parents: 67
diff changeset
420 void
kono
parents: 67
diff changeset
421 lto_free_function_in_decl_state (struct lto_in_decl_state *state)
kono
parents: 67
diff changeset
422 {
kono
parents: 67
diff changeset
423 int i;
kono
parents: 67
diff changeset
424 for (i = 0; i < LTO_N_DECL_STREAMS; i++)
kono
parents: 67
diff changeset
425 vec_free (state->streams[i]);
kono
parents: 67
diff changeset
426 ggc_free (state);
55
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
427 }
111
kono
parents: 67
diff changeset
428
kono
parents: 67
diff changeset
429 /* Free decl_states associated with NODE. This makes it possible to furhter
kono
parents: 67
diff changeset
430 release trees needed by the NODE's body. */
kono
parents: 67
diff changeset
431
kono
parents: 67
diff changeset
432 void
kono
parents: 67
diff changeset
433 lto_free_function_in_decl_state_for_node (symtab_node *node)
kono
parents: 67
diff changeset
434 {
kono
parents: 67
diff changeset
435 struct lto_in_decl_state temp;
kono
parents: 67
diff changeset
436 lto_in_decl_state **slot;
kono
parents: 67
diff changeset
437
kono
parents: 67
diff changeset
438 if (!node->lto_file_data)
kono
parents: 67
diff changeset
439 return;
kono
parents: 67
diff changeset
440
kono
parents: 67
diff changeset
441 temp.fn_decl = node->decl;
kono
parents: 67
diff changeset
442 slot
kono
parents: 67
diff changeset
443 = node->lto_file_data->function_decl_states->find_slot (&temp, NO_INSERT);
kono
parents: 67
diff changeset
444 if (slot && *slot)
kono
parents: 67
diff changeset
445 {
kono
parents: 67
diff changeset
446 lto_free_function_in_decl_state (*slot);
kono
parents: 67
diff changeset
447 node->lto_file_data->function_decl_states->clear_slot (slot);
kono
parents: 67
diff changeset
448 }
kono
parents: 67
diff changeset
449 node->lto_file_data = NULL;
kono
parents: 67
diff changeset
450 }
kono
parents: 67
diff changeset
451
kono
parents: 67
diff changeset
452
kono
parents: 67
diff changeset
453 /* Report read pass end of the section. */
kono
parents: 67
diff changeset
454
kono
parents: 67
diff changeset
455 void
145
1830386684a0 gcc-9.2.0
anatofuz
parents: 131
diff changeset
456 lto_section_overrun (class lto_input_block *ib)
111
kono
parents: 67
diff changeset
457 {
kono
parents: 67
diff changeset
458 fatal_error (input_location, "bytecode stream: trying to read %d bytes "
kono
parents: 67
diff changeset
459 "after the end of the input buffer", ib->p - ib->len);
kono
parents: 67
diff changeset
460 }
kono
parents: 67
diff changeset
461
kono
parents: 67
diff changeset
462 /* Report out of range value. */
kono
parents: 67
diff changeset
463
kono
parents: 67
diff changeset
464 void
kono
parents: 67
diff changeset
465 lto_value_range_error (const char *purpose, HOST_WIDE_INT val,
kono
parents: 67
diff changeset
466 HOST_WIDE_INT min, HOST_WIDE_INT max)
kono
parents: 67
diff changeset
467 {
kono
parents: 67
diff changeset
468 fatal_error (input_location,
kono
parents: 67
diff changeset
469 "%s out of range: Range is %i to %i, value is %i",
kono
parents: 67
diff changeset
470 purpose, (int)min, (int)max, (int)val);
kono
parents: 67
diff changeset
471 }