Mercurial > hg > CbC > CbC_gcc

annotate gcc/lto-section-in.c @ 59:5b5b9ea5b220

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fix
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 15 Feb 2010 17:22:24 +0900
parents 77e2b8dfacca
children b7f97abdc517
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
55
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1 /* Input functions for reading LTO sections.
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2
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3 Copyright 2009 Free Software Foundation, Inc.
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4 Contributed by Kenneth Zadeck <zadeck@naturalbridge.com>
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #include "config.h"
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23 #include "system.h"
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24 #include "coretypes.h"
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25 #include "tm.h"
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26 #include "toplev.h"
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27 #include "tree.h"
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28 #include "expr.h"
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29 #include "flags.h"
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30 #include "params.h"
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31 #include "input.h"
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32 #include "varray.h"
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33 #include "hashtab.h"
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34 #include "basic-block.h"
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35 #include "tree-flow.h"
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36 #include "cgraph.h"
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37 #include "function.h"
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38 #include "ggc.h"
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39 #include "diagnostic.h"
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40 #include "except.h"
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41 #include "vec.h"
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42 #include "timevar.h"
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43 #include "output.h"
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44 #include "lto-streamer.h"
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45 #include "lto-compress.h"
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46
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47 /* Section names. These must correspond to the values of
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48 enum lto_section_type. */
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49 const char *lto_section_name[LTO_N_SECTION_TYPES] =
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50 {
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51 "decls",
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52 "function_body",
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53 "static_initializer",
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54 "cgraph",
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55 "ipa_pure_const",
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56 "ipa_reference",
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57 "symtab",
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58 "wpa_fixup",
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59 "opts"
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60 };
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61
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62 unsigned char
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63 lto_input_1_unsigned (struct lto_input_block *ib)
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64 {
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65 if (ib->p >= ib->len)
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66 internal_error ("bytecode stream: trying to read %d bytes "
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67 "after the end of the input buffer", ib->p - ib->len);
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68
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69 return (ib->data[ib->p++]);
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70 }
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71
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72
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73 /* Read an ULEB128 Number of IB. */
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74
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75 unsigned HOST_WIDE_INT
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76 lto_input_uleb128 (struct lto_input_block *ib)
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77 {
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78 unsigned HOST_WIDE_INT result = 0;
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79 int shift = 0;
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80 unsigned HOST_WIDE_INT byte;
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81
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82 while (true)
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83 {
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84 byte = lto_input_1_unsigned (ib);
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85 result |= (byte & 0x7f) << shift;
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86 shift += 7;
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87 if ((byte & 0x80) == 0)
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88 return result;
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89 }
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90 }
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91
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92 /* HOST_WIDEST_INT version of lto_input_uleb128. IB is as in
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93 lto_input_uleb128. */
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94
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95 unsigned HOST_WIDEST_INT
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96 lto_input_widest_uint_uleb128 (struct lto_input_block *ib)
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97 {
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98 unsigned HOST_WIDEST_INT result = 0;
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99 int shift = 0;
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100 unsigned HOST_WIDEST_INT byte;
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101
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102 while (true)
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103 {
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104 byte = lto_input_1_unsigned (ib);
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105 result |= (byte & 0x7f) << shift;
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106 shift += 7;
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107 if ((byte & 0x80) == 0)
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108 return result;
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109 }
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110 }
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111
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112 /* Read an SLEB128 Number of IB. */
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113
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114 HOST_WIDE_INT
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115 lto_input_sleb128 (struct lto_input_block *ib)
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116 {
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117 HOST_WIDE_INT result = 0;
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118 int shift = 0;
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119 unsigned HOST_WIDE_INT byte;
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120
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121 while (true)
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122 {
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123 byte = lto_input_1_unsigned (ib);
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124 result |= (byte & 0x7f) << shift;
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diff changeset
125 shift += 7;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
126 if ((byte & 0x80) == 0)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
127 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
128 if ((shift < HOST_BITS_PER_WIDE_INT) && (byte & 0x40))
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
129 result |= - ((HOST_WIDE_INT)1 << shift);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
130
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
131 return result;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
132 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
133 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137 /* Hooks so that the ipa passes can call into the lto front end to get
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 sections. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 static struct lto_file_decl_data ** file_decl_data;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 static lto_get_section_data_f* get_section_f;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142 static lto_free_section_data_f* free_section_f;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 /* This is called from the lto front end to set up the hooks that are
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 used by the ipa passes to get the data that they will
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 deserialize. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 lto_set_in_hooks (struct lto_file_decl_data ** data,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 lto_get_section_data_f* get_f,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 lto_free_section_data_f* free_f)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 file_decl_data = data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155 get_section_f = get_f;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 free_section_f = free_f;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 /* Return an array of file decl datas for all of the files passed to
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 this compilation. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 struct lto_file_decl_data **
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 lto_get_file_decl_data (void)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 gcc_assert (file_decl_data);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 return file_decl_data;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 /* Buffer structure for accumulating data from compression callbacks. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 struct lto_buffer
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 char *data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 size_t length;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 };
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 /* Compression callback, append LENGTH bytes from DATA to the buffer pointed
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 to by OPAQUE. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 static void
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 lto_append_data (const char *data, unsigned length, void *opaque)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 struct lto_buffer *buffer = (struct lto_buffer *) opaque;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 buffer->data = (char *) xrealloc (buffer->data, buffer->length + length);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187 memcpy (buffer->data + buffer->length, data, length);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 buffer->length += length;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 /* Header placed in returned uncompressed data streams. Allows the
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 uncompressed allocated data to be mapped back to the underlying
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 compressed data for use with free_section_f. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 struct lto_data_header
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 const char *data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 size_t len;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 };
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 /* Return a char pointer to the start of a data stream for an LTO pass
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 or function. FILE_DATA indicates where to obtain the data.
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 SECTION_TYPE is the type of information to be obtained. NAME is
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 the name of the function and is only used when finding a function
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 body; otherwise it is NULL. LEN is the size of the data
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 returned. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 const char *
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 lto_get_section_data (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
210 enum lto_section_type section_type,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 const char *name,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 size_t *len)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214 const char *data = (get_section_f) (file_data, section_type, name, len);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 const size_t header_length = sizeof (struct lto_data_header);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 struct lto_data_header *header;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 struct lto_buffer buffer;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 struct lto_compression_stream *stream;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 lto_stats.section_size[section_type] += *len;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221 if (data == NULL)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 return NULL;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 /* FIXME lto: WPA mode does not write compressed sections, so for now
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225 suppress uncompression if flag_ltrans. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 if (flag_ltrans)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 return data;
77e2b8dfacca update it from 4.4.3 to 4.5.0
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 /* Create a mapping header containing the underlying data and length,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 and prepend this to the uncompression buffer. The uncompressed data
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 then follows, and a pointer to the start of the uncompressed data is
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 returned. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233 header = (struct lto_data_header *) xmalloc (header_length);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 header->data = data;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 header->len = *len;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 buffer.data = (char *) header;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 buffer.length = header_length;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 stream = lto_start_uncompression (lto_append_data, &buffer);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 lto_uncompress_block (stream, data, *len);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242 lto_end_uncompression (stream);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244 *len = buffer.length - header_length;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 return buffer.data + header_length;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
246 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 /* Free the data found from the above call. The first three
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
250 parameters are the same as above. DATA is the data to be freed and
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 LEN is the length of that data. */
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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 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 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
255 enum lto_section_type section_type,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 const char *name,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
257 const char *data,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 size_t len)
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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 const size_t header_length = sizeof (struct lto_data_header);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 const char *real_data = data - header_length;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
262 const struct lto_data_header *header
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
263 = (const struct lto_data_header *) real_data;
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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 gcc_assert (free_section_f);
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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 /* FIXME lto: WPA mode does not write compressed sections, so for now
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
268 suppress uncompression mapping if flag_ltrans. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
269 if (flag_ltrans)
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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 (free_section_f) (file_data, section_type, name, data, len);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
272 return;
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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
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
275 /* 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
276 Free that, then free the allocated uncompression buffer. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
277 (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
278 free (CONST_CAST (char *, real_data));
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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
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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 /* 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
283 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
284 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
285 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
286
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
287 struct lto_input_block *
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
288 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
289 enum lto_section_type section_type,
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
290 const char **datar, size_t *len)
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
291 {
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
292 const char *data = lto_get_section_data (file_data, section_type, NULL, len);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
293 const struct lto_simple_header * header
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
294 = (const struct lto_simple_header *) data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
295
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
296 struct lto_input_block* ib_main;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
297 int32_t main_offset = sizeof (struct lto_simple_header);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
298
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
299 if (!data)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
300 return NULL;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
301
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
302 ib_main = XNEW (struct lto_input_block);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
303
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
304 *datar = data;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
305 LTO_INIT_INPUT_BLOCK_PTR (ib_main, data + main_offset,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
306 0, header->main_size);
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
307
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
308 return ib_main;
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
309 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
310
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 /* 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
313 LTO_CREATE_SIMPLE_INPUT_BLOCK. IB is the input block returned from
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
314 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
315 passed to that call and the DATA and LEN are what was returned from
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
316 that call. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
317
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
318 void
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
319 lto_destroy_simple_input_block (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
320 enum lto_section_type section_type,
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
321 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
322 const char *data, size_t len)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
323 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
324 free (ib);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
325 lto_free_section_data (file_data, section_type, NULL, data, len);
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
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 /* Record renamings of static declarations */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
330 /*****************************************************************************/
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 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
333 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
334 const char *old_name;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
335 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
336 };
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 /* Returns a hash code for P. */
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
339
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
340 static hashval_t
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
341 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
342 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
343 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
344 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
345 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
346
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
347 /* 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
348
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
349 static int
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
350 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
351 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
352 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
353 (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
354 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
355 (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
356
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
357 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
358 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
359
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
360 /* 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
361
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
362 static void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
363 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
364 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
365 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
366
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
367 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
368 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
369 free ((void *) s);
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
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
372 /* 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
373
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
374 htab_t
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
375 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
376 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
377 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
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 /* 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
381 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
382
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
383 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
384 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
385 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
386 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
387 void **slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
388 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
389
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
390 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
391 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
392 if (*slot == NULL)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
393 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
394 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
395 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
396 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
397 *slot = new_slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
398 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
399 else
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
400 gcc_unreachable ();
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
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
404 /* 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
405 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
406 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
407
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
408 const char *
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
409 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
410 const char *name)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
411 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
412 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
413 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
414 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
415
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
416 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
417 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
418 if (slot)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
419 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
420 else
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
421 return name;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
422 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
423
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
424 /*****************************************************************************/
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
425 /* 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
426 /*****************************************************************************/
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
427
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
428 /* 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
429
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
430 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
431 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
432 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
433 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
434
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
435 state = ((struct lto_in_decl_state *) xmalloc (sizeof (*state)));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
436 memset (state, 0, sizeof (*state));
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
437 return state;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
438 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
439
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
440 /* 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
441
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
442 void
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
443 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
444 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
445 int i;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
446
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
447 for (i = 0; i < LTO_N_DECL_STREAMS; i++)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
448 if (state->streams[i].trees)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
449 free (state->streams[i].trees);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
450 free (state);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
451 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
452
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
453 /* Hashtable helpers. lto_in_decl_states are hash by their function decls. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
454
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
455 hashval_t
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
456 lto_hash_in_decl_state (const void *p)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
457 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
458 const struct lto_in_decl_state *state = (const struct lto_in_decl_state *) p;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
459 return htab_hash_pointer (state->fn_decl);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
460 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
461
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
462 /* Return true if the fn_decl field of the lto_in_decl_state pointed to by
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
463 P1 equals to the function decl P2. */
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
464
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
465 int
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
466 lto_eq_in_decl_state (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
467 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
468 const struct lto_in_decl_state *state1 =
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
469 (const struct lto_in_decl_state *) p1;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
470 const struct lto_in_decl_state *state2 =
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
471 (const struct lto_in_decl_state *) p2;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
472 return state1->fn_decl == state2->fn_decl;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
473 }
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
474
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
475
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
476 /* 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
477 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
478
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
479 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
480 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
481 tree func)
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
482 {
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
483 struct lto_in_decl_state temp;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
484 void **slot;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
485
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
486 temp.fn_decl = func;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
487 slot = htab_find_slot (file_data->function_decl_states, &temp, NO_INSERT);
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
488 return slot? ((struct lto_in_decl_state*) *slot) : NULL;
77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff changeset
489 }