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annotate gcc/lto-section-in.c @ 144:8f4e72ab4e11

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fix segmentation fault caused by nothing next cur_op to end
author Takahiro SHIMIZU <anatofuz@cr.ie.u-ryukyu.ac.jp>
date Sun, 23 Dec 2018 21:23:56 +0900
parents 84e7813d76e9
children 1830386684a0
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1 /* Input functions for reading LTO sections.
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2
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3 Copyright (C) 2009-2018 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 };
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57
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58
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59 /* Hooks so that the ipa passes can call into the lto front end to get
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60 sections. */
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61
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62 static struct lto_file_decl_data ** file_decl_data;
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63 static lto_get_section_data_f* get_section_f;
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64 static lto_free_section_data_f* free_section_f;
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65
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66
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67 /* This is called from the lto front end to set up the hooks that are
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68 used by the ipa passes to get the data that they will
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69 deserialize. */
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70
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71 void
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72 lto_set_in_hooks (struct lto_file_decl_data ** data,
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73 lto_get_section_data_f* get_f,
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74 lto_free_section_data_f* free_f)
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75 {
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76 file_decl_data = data;
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77 get_section_f = get_f;
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78 free_section_f = free_f;
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79 }
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80
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81
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82 /* Return an array of file decl datas for all of the files passed to
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83 this compilation. */
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84
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85 struct lto_file_decl_data **
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86 lto_get_file_decl_data (void)
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87 {
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88 gcc_assert (file_decl_data);
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89 return file_decl_data;
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90 }
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91
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92 /* Buffer structure for accumulating data from compression callbacks. */
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93
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94 struct lto_buffer
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95 {
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96 char *data;
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97 size_t length;
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98 };
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99
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100 /* Compression callback, append LENGTH bytes from DATA to the buffer pointed
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101 to by OPAQUE. */
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102
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103 static void
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104 lto_append_data (const char *data, unsigned length, void *opaque)
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105 {
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106 struct lto_buffer *buffer = (struct lto_buffer *) opaque;
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107
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108 buffer->data = (char *) xrealloc (buffer->data, buffer->length + length);
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109 memcpy (buffer->data + buffer->length, data, length);
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110 buffer->length += length;
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111 }
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112
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113 /* Header placed in returned uncompressed data streams. Allows the
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114 uncompressed allocated data to be mapped back to the underlying
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115 compressed data for use with free_section_f. */
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116
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117 struct lto_data_header
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118 {
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119 const char *data;
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120 size_t len;
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121 };
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122
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123 /* Return a char pointer to the start of a data stream for an LTO pass
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124 or function. FILE_DATA indicates where to obtain the data.
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125 SECTION_TYPE is the type of information to be obtained. NAME is
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126 the name of the function and is only used when finding a function
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127 body; otherwise it is NULL. LEN is the size of the data
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128 returned. */
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129
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130 const char *
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131 lto_get_section_data (struct lto_file_decl_data *file_data,
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132 enum lto_section_type section_type,
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diff changeset
133 const char *name,
111
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diff changeset
134 size_t *len, bool decompress)
55
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diff changeset
135 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 const char *data = (get_section_f) (file_data, section_type, name, len);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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137 const size_t header_length = sizeof (struct lto_data_header);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 struct lto_data_header *header;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 struct lto_buffer buffer;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 struct lto_compression_stream *stream;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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141 lto_stats.section_size[section_type] += *len;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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142
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 if (data == NULL)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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144 return NULL;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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145
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146 /* WPA->ltrans streams are not compressed with exception of function bodies
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diff changeset
147 and variable initializers that has been verbatim copied from earlier
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148 compilations. */
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149 if (!flag_ltrans || decompress)
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150 {
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diff changeset
151 /* Create a mapping header containing the underlying data and length,
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diff changeset
152 and prepend this to the uncompression buffer. The uncompressed data
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diff changeset
153 then follows, and a pointer to the start of the uncompressed data is
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parents: 67
diff changeset
154 returned. */
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155 header = (struct lto_data_header *) xmalloc (header_length);
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156 header->data = data;
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diff changeset
157 header->len = *len;
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158
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159 buffer.data = (char *) header;
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160 buffer.length = header_length;
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161
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162 stream = lto_start_uncompression (lto_append_data, &buffer);
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163 lto_uncompress_block (stream, data, *len);
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diff changeset
164 lto_end_uncompression (stream);
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165
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166 *len = buffer.length - header_length;
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167 data = buffer.data + header_length;
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168 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
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169
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170 lto_check_version (((const lto_header *)data)->major_version,
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171 ((const lto_header *)data)->minor_version,
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diff changeset
172 file_data->file_name);
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diff changeset
173 return data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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174 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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175
111
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diff changeset
176 /* Get the section data without any header parsing or uncompression. */
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177
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178 const char *
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179 lto_get_raw_section_data (struct lto_file_decl_data *file_data,
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180 enum lto_section_type section_type,
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181 const char *name,
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182 size_t *len)
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183 {
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184 return (get_section_f) (file_data, section_type, name, len);
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185 }
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parents:
diff changeset
186
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 /* Free the data found from the above call. The first three
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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188 parameters are the same as above. DATA is the data to be freed and
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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189 LEN is the length of that data. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 void
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 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
193 enum lto_section_type section_type,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 const char *name,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 const char *data,
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diff changeset
196 size_t len, bool decompress)
55
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parents:
diff changeset
197 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 const size_t header_length = sizeof (struct lto_data_header);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 const char *real_data = data - header_length;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 const struct lto_data_header *header
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 = (const struct lto_data_header *) real_data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 gcc_assert (free_section_f);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204
111
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diff changeset
205 if (flag_ltrans && !decompress)
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 (free_section_f) (file_data, section_type, name, data, len);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 return;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 /* 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
212 Free that, then free the allocated uncompression buffer. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 (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
214 free (CONST_CAST (char *, real_data));
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216
111
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parents: 67
diff changeset
217 /* Free data allocated by lto_get_raw_section_data. */
kono
parents: 67
diff changeset
218
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diff changeset
219 void
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diff changeset
220 lto_free_raw_section_data (struct lto_file_decl_data *file_data,
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diff changeset
221 enum lto_section_type section_type,
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diff changeset
222 const char *name,
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diff changeset
223 const char *data,
kono
parents: 67
diff changeset
224 size_t len)
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diff changeset
225 {
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diff changeset
226 (free_section_f) (file_data, section_type, name, data, len);
kono
parents: 67
diff changeset
227 }
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 /* 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
230 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
231 raw pointer to the section is returned in DATAR and LEN. These are
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 used to free the section. Return NULL if the section is not present. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 struct lto_input_block *
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 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
236 enum lto_section_type section_type,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 const char **datar, size_t *len)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239 const char *data = lto_get_section_data (file_data, section_type, NULL, len);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 const struct lto_simple_header * header
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 = (const struct lto_simple_header *) data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242
111
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diff changeset
243 int main_offset = sizeof (struct lto_simple_header);
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 if (!data)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
246 return NULL;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 *datar = data;
111
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parents: 67
diff changeset
249 return new lto_input_block (data + main_offset, header->main_size,
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parents: 67
diff changeset
250 file_data->mode_table);
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
252
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
253
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 /* 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
255 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
256 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
257 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
258 that call. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
259
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
260 void
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 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
262 enum lto_section_type section_type,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
263 struct lto_input_block *ib,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
264 const char *data, size_t len)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
265 {
111
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diff changeset
266 delete ib;
55
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
267 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
268 }
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
269
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
270 /*****************************************************************************/
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
271 /* Record renamings of static declarations */
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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
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
274 struct lto_renaming_slot
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
276 const char *old_name;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 const char *new_name;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
278 };
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
279
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
280 /* Returns a hash code for P. */
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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 static hashval_t
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
283 hash_name (const void *p)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
284 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
285 const struct lto_renaming_slot *ds = (const struct lto_renaming_slot *) p;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
286 return (hashval_t) htab_hash_string (ds->new_name);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
287 }
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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 /* 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
290
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
291 static int
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
292 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
293 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
294 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
295 (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
296 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
297 (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
298
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
299 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
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 /* 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
303
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
305 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
306 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
307 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
308
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
309 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
310 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
311 free ((void *) s);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
312 }
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 /* 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
315
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
316 htab_t
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
317 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
318 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
319 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
320 }
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 /* 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
323 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
324
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
325 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
326 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
327 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
328 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
329 void **slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
330 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
331
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
332 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
333 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
334 if (*slot == NULL)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
335 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
336 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
337 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
338 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
339 *slot = new_slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
340 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
341 else
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
342 gcc_unreachable ();
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 }
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
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
346 /* 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
347 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
348 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
349
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
350 const char *
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
351 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
352 const char *name)
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 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
355 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
356 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
357
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
358 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
359 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
360 if (slot)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
361 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
362 else
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
363 return name;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
364 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
365
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 /* 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
368 /*****************************************************************************/
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
369
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
370 /* 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
371
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 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
373 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
374 {
111
kono
parents: 67
diff changeset
375 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
376 }
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 /* 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
379
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
380 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
381 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
382 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
383 int i;
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 for (i = 0; i < LTO_N_DECL_STREAMS; i++)
111
kono
parents: 67
diff changeset
386 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
387 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
388 }
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 /* 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
391 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
392
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 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
394 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
395 tree func)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
396 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
397 struct lto_in_decl_state temp;
111
kono
parents: 67
diff changeset
398 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
399
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
400 temp.fn_decl = func;
111
kono
parents: 67
diff changeset
401 slot = file_data->function_decl_states->find_slot (&temp, NO_INSERT);
kono
parents: 67
diff changeset
402 return slot? *slot : NULL;
kono
parents: 67
diff changeset
403 }
kono
parents: 67
diff changeset
404
kono
parents: 67
diff changeset
405 /* Free decl_states. */
kono
parents: 67
diff changeset
406
kono
parents: 67
diff changeset
407 void
kono
parents: 67
diff changeset
408 lto_free_function_in_decl_state (struct lto_in_decl_state *state)
kono
parents: 67
diff changeset
409 {
kono
parents: 67
diff changeset
410 int i;
kono
parents: 67
diff changeset
411 for (i = 0; i < LTO_N_DECL_STREAMS; i++)
kono
parents: 67
diff changeset
412 vec_free (state->streams[i]);
kono
parents: 67
diff changeset
413 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
414 }
111
kono
parents: 67
diff changeset
415
kono
parents: 67
diff changeset
416 /* Free decl_states associated with NODE. This makes it possible to furhter
kono
parents: 67
diff changeset
417 release trees needed by the NODE's body. */
kono
parents: 67
diff changeset
418
kono
parents: 67
diff changeset
419 void
kono
parents: 67
diff changeset
420 lto_free_function_in_decl_state_for_node (symtab_node *node)
kono
parents: 67
diff changeset
421 {
kono
parents: 67
diff changeset
422 struct lto_in_decl_state temp;
kono
parents: 67
diff changeset
423 lto_in_decl_state **slot;
kono
parents: 67
diff changeset
424
kono
parents: 67
diff changeset
425 if (!node->lto_file_data)
kono
parents: 67
diff changeset
426 return;
kono
parents: 67
diff changeset
427
kono
parents: 67
diff changeset
428 temp.fn_decl = node->decl;
kono
parents: 67
diff changeset
429 slot
kono
parents: 67
diff changeset
430 = node->lto_file_data->function_decl_states->find_slot (&temp, NO_INSERT);
kono
parents: 67
diff changeset
431 if (slot && *slot)
kono
parents: 67
diff changeset
432 {
kono
parents: 67
diff changeset
433 lto_free_function_in_decl_state (*slot);
kono
parents: 67
diff changeset
434 node->lto_file_data->function_decl_states->clear_slot (slot);
kono
parents: 67
diff changeset
435 }
kono
parents: 67
diff changeset
436 node->lto_file_data = NULL;
kono
parents: 67
diff changeset
437 }
kono
parents: 67
diff changeset
438
kono
parents: 67
diff changeset
439
kono
parents: 67
diff changeset
440 /* Report read pass end of the section. */
kono
parents: 67
diff changeset
441
kono
parents: 67
diff changeset
442 void
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443 lto_section_overrun (struct lto_input_block *ib)
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444 {
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445 fatal_error (input_location, "bytecode stream: trying to read %d bytes "
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446 "after the end of the input buffer", ib->p - ib->len);
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447 }
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448
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449 /* Report out of range value. */
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450
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451 void
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452 lto_value_range_error (const char *purpose, HOST_WIDE_INT val,
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453 HOST_WIDE_INT min, HOST_WIDE_INT max)
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454 {
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455 fatal_error (input_location,
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456 "%s out of range: Range is %i to %i, value is %i",
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457 purpose, (int)min, (int)max, (int)val);
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458 }