Mercurial > hg > truffle
annotate src/share/vm/ci/ciReplay.cpp @ 9202:b6629b739a55
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 22 Apr 2013 09:54:57 +0200 |
parents | 8391fdd36e1f |
children | aeaca88565e6 |
rev | line source |
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1 /* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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3 * |
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4 * This code is free software; you can redistribute it and/or modify it |
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5 * under the terms of the GNU General Public License version 2 only, as |
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6 * published by the Free Software Foundation. |
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7 * |
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8 * This code is distributed in the hope that it will be useful, but WITHOUT |
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9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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11 * version 2 for more details (a copy is included in the LICENSE file that |
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12 * accompanied this code). |
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13 * |
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14 * You should have received a copy of the GNU General Public License version |
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15 * 2 along with this work; if not, write to the Free Software Foundation, |
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16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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17 * |
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18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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19 * or visit www.oracle.com if you need additional information or have any |
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20 * questions. |
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21 * |
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22 */ |
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23 |
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24 #include "precompiled.hpp" |
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25 #include "ci/ciMethodData.hpp" |
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26 #include "ci/ciReplay.hpp" |
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27 #include "ci/ciUtilities.hpp" |
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28 #include "compiler/compileBroker.hpp" |
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29 #include "memory/allocation.inline.hpp" |
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30 #include "memory/oopFactory.hpp" |
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31 #include "memory/resourceArea.hpp" |
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32 #include "utilities/copy.hpp" |
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33 #include "utilities/macros.hpp" |
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34 |
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35 #ifndef PRODUCT |
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36 |
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37 // ciReplay |
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38 |
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39 typedef struct _ciMethodDataRecord { |
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40 const char* klass; |
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41 const char* method; |
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42 const char* signature; |
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43 int state; |
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44 int current_mileage; |
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45 intptr_t* data; |
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46 int data_length; |
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47 char* orig_data; |
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48 int orig_data_length; |
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49 int oops_length; |
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50 jobject* oops_handles; |
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51 int* oops_offsets; |
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52 } ciMethodDataRecord; |
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53 |
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54 typedef struct _ciMethodRecord { |
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55 const char* klass; |
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56 const char* method; |
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57 const char* signature; |
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58 int instructions_size; |
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59 int interpreter_invocation_count; |
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60 int interpreter_throwout_count; |
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61 int invocation_counter; |
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62 int backedge_counter; |
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63 } ciMethodRecord; |
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64 |
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65 class CompileReplay; |
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66 static CompileReplay* replay_state; |
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67 |
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68 class CompileReplay : public StackObj { |
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69 private: |
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70 FILE* stream; |
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71 Thread* thread; |
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72 Handle protection_domain; |
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73 Handle loader; |
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74 |
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75 GrowableArray<ciMethodRecord*> ci_method_records; |
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76 GrowableArray<ciMethodDataRecord*> ci_method_data_records; |
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77 |
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78 const char* _error_message; |
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79 |
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80 char* bufptr; |
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81 char* buffer; |
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82 int buffer_length; |
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83 int buffer_end; |
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84 int line_no; |
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85 |
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86 public: |
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87 CompileReplay(const char* filename, TRAPS) { |
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88 thread = THREAD; |
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89 loader = Handle(thread, SystemDictionary::java_system_loader()); |
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90 stream = fopen(filename, "rt"); |
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91 if (stream == NULL) { |
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92 fprintf(stderr, "Can't open replay file %s\n", filename); |
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93 } |
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94 buffer_length = 32; |
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95 buffer = NEW_RESOURCE_ARRAY(char, buffer_length); |
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96 _error_message = NULL; |
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97 |
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98 test(); |
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99 } |
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100 |
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101 ~CompileReplay() { |
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102 if (stream != NULL) fclose(stream); |
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103 } |
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104 |
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105 void test() { |
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106 strcpy(buffer, "1 2 foo 4 bar 0x9 \"this is it\""); |
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107 bufptr = buffer; |
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108 assert(parse_int("test") == 1, "what"); |
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109 assert(parse_int("test") == 2, "what"); |
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110 assert(strcmp(parse_string(), "foo") == 0, "what"); |
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111 assert(parse_int("test") == 4, "what"); |
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112 assert(strcmp(parse_string(), "bar") == 0, "what"); |
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113 assert(parse_intptr_t("test") == 9, "what"); |
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114 assert(strcmp(parse_quoted_string(), "this is it") == 0, "what"); |
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115 } |
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116 |
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117 bool had_error() { |
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118 return _error_message != NULL || thread->has_pending_exception(); |
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119 } |
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120 |
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121 bool can_replay() { |
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122 return !(stream == NULL || had_error()); |
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123 } |
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124 |
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125 void report_error(const char* msg) { |
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126 _error_message = msg; |
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127 // Restore the buffer contents for error reporting |
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128 for (int i = 0; i < buffer_end; i++) { |
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129 if (buffer[i] == '\0') buffer[i] = ' '; |
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130 } |
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131 } |
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132 |
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133 int parse_int(const char* label) { |
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134 if (had_error()) { |
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135 return 0; |
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136 } |
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137 |
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138 int v = 0; |
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139 int read; |
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140 if (sscanf(bufptr, "%i%n", &v, &read) != 1) { |
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141 report_error(label); |
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142 } else { |
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143 bufptr += read; |
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144 } |
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145 return v; |
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146 } |
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147 |
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148 intptr_t parse_intptr_t(const char* label) { |
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149 if (had_error()) { |
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150 return 0; |
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151 } |
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152 |
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153 intptr_t v = 0; |
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154 int read; |
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155 if (sscanf(bufptr, INTPTR_FORMAT "%n", &v, &read) != 1) { |
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156 report_error(label); |
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157 } else { |
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158 bufptr += read; |
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159 } |
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160 return v; |
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161 } |
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162 |
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163 void skip_ws() { |
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164 // Skip any leading whitespace |
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165 while (*bufptr == ' ' || *bufptr == '\t') { |
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166 bufptr++; |
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167 } |
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168 } |
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169 |
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170 |
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171 char* scan_and_terminate(char delim) { |
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172 char* str = bufptr; |
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173 while (*bufptr != delim && *bufptr != '\0') { |
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174 bufptr++; |
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175 } |
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176 if (*bufptr != '\0') { |
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177 *bufptr++ = '\0'; |
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178 } |
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179 if (bufptr == str) { |
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180 // nothing here |
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181 return NULL; |
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182 } |
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183 return str; |
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184 } |
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185 |
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186 char* parse_string() { |
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187 if (had_error()) return NULL; |
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188 |
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189 skip_ws(); |
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190 return scan_and_terminate(' '); |
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191 } |
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192 |
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193 char* parse_quoted_string() { |
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194 if (had_error()) return NULL; |
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195 |
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196 skip_ws(); |
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197 |
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198 if (*bufptr == '"') { |
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199 bufptr++; |
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200 return scan_and_terminate('"'); |
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201 } else { |
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202 return scan_and_terminate(' '); |
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203 } |
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204 } |
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205 |
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206 const char* parse_escaped_string() { |
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207 char* result = parse_quoted_string(); |
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208 if (result != NULL) { |
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209 unescape_string(result); |
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210 } |
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211 return result; |
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212 } |
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213 |
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214 // Look for the tag 'tag' followed by an |
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215 bool parse_tag_and_count(const char* tag, int& length) { |
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216 const char* t = parse_string(); |
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217 if (t == NULL) { |
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218 return false; |
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219 } |
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220 |
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221 if (strcmp(tag, t) != 0) { |
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222 report_error(tag); |
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223 return false; |
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224 } |
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225 length = parse_int("parse_tag_and_count"); |
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226 return !had_error(); |
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227 } |
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228 |
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229 // Parse a sequence of raw data encoded as bytes and return the |
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230 // resulting data. |
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231 char* parse_data(const char* tag, int& length) { |
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232 if (!parse_tag_and_count(tag, length)) { |
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233 return NULL; |
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234 } |
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235 |
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236 char * result = NEW_RESOURCE_ARRAY(char, length); |
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237 for (int i = 0; i < length; i++) { |
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238 int val = parse_int("data"); |
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239 result[i] = val; |
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240 } |
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241 return result; |
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242 } |
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243 |
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244 // Parse a standard chunk of data emitted as: |
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245 // 'tag' <length> # # ... |
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246 // Where each # is an intptr_t item |
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247 intptr_t* parse_intptr_data(const char* tag, int& length) { |
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248 if (!parse_tag_and_count(tag, length)) { |
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249 return NULL; |
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250 } |
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251 |
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252 intptr_t* result = NEW_RESOURCE_ARRAY(intptr_t, length); |
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253 for (int i = 0; i < length; i++) { |
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254 skip_ws(); |
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255 intptr_t val = parse_intptr_t("data"); |
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256 result[i] = val; |
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257 } |
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258 return result; |
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259 } |
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260 |
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261 // Parse a possibly quoted version of a symbol into a symbolOop |
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262 Symbol* parse_symbol(TRAPS) { |
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263 const char* str = parse_escaped_string(); |
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264 if (str != NULL) { |
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265 Symbol* sym = SymbolTable::lookup(str, (int)strlen(str), CHECK_NULL); |
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266 return sym; |
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267 } |
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268 return NULL; |
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269 } |
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270 |
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271 // Parse a valid klass name and look it up |
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272 Klass* parse_klass(TRAPS) { |
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273 const char* str = parse_escaped_string(); |
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274 Symbol* klass_name = SymbolTable::lookup(str, (int)strlen(str), CHECK_NULL); |
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275 if (klass_name != NULL) { |
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276 Klass* k = SystemDictionary::resolve_or_fail(klass_name, loader, protection_domain, true, THREAD); |
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277 if (HAS_PENDING_EXCEPTION) { |
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278 oop throwable = PENDING_EXCEPTION; |
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279 java_lang_Throwable::print(throwable, tty); |
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280 tty->cr(); |
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281 report_error(str); |
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282 return NULL; |
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283 } |
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284 return k; |
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285 } |
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286 return NULL; |
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287 } |
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288 |
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289 // Lookup a klass |
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290 Klass* resolve_klass(const char* klass, TRAPS) { |
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291 Symbol* klass_name = SymbolTable::lookup(klass, (int)strlen(klass), CHECK_NULL); |
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292 return SystemDictionary::resolve_or_fail(klass_name, loader, protection_domain, true, CHECK_NULL); |
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293 } |
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294 |
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295 // Parse the standard tuple of <klass> <name> <signature> |
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296 Method* parse_method(TRAPS) { |
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297 InstanceKlass* k = (InstanceKlass*)parse_klass(CHECK_NULL); |
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298 Symbol* method_name = parse_symbol(CHECK_NULL); |
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299 Symbol* method_signature = parse_symbol(CHECK_NULL); |
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300 Method* m = k->find_method(method_name, method_signature); |
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301 if (m == NULL) { |
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302 report_error("can't find method"); |
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303 } |
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304 return m; |
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305 } |
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306 |
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307 // Process each line of the replay file executing each command until |
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308 // the file ends. |
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309 void process(TRAPS) { |
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310 line_no = 1; |
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311 int pos = 0; |
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312 int c = getc(stream); |
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313 while(c != EOF) { |
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314 if (pos + 1 >= buffer_length) { |
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315 int newl = buffer_length * 2; |
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316 char* newb = NEW_RESOURCE_ARRAY(char, newl); |
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317 memcpy(newb, buffer, pos); |
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318 buffer = newb; |
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319 buffer_length = newl; |
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320 } |
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321 if (c == '\n') { |
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322 // null terminate it, reset the pointer and process the line |
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323 buffer[pos] = '\0'; |
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324 buffer_end = pos++; |
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325 bufptr = buffer; |
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326 process_command(CHECK); |
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327 if (had_error()) { |
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328 tty->print_cr("Error while parsing line %d: %s\n", line_no, _error_message); |
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329 tty->print_cr("%s", buffer); |
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330 assert(false, "error"); |
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331 return; |
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332 } |
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333 pos = 0; |
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334 buffer_end = 0; |
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335 line_no++; |
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336 } else if (c == '\r') { |
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337 // skip LF |
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338 } else { |
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339 buffer[pos++] = c; |
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340 } |
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341 c = getc(stream); |
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342 } |
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343 } |
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344 |
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345 void process_command(TRAPS) { |
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346 char* cmd = parse_string(); |
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347 if (cmd == NULL) { |
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348 return; |
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349 } |
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350 if (strcmp("#", cmd) == 0) { |
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351 // ignore |
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352 } else if (strcmp("compile", cmd) == 0) { |
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353 process_compile(CHECK); |
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354 } else if (strcmp("ciMethod", cmd) == 0) { |
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355 process_ciMethod(CHECK); |
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356 } else if (strcmp("ciMethodData", cmd) == 0) { |
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357 process_ciMethodData(CHECK); |
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358 } else if (strcmp("staticfield", cmd) == 0) { |
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359 process_staticfield(CHECK); |
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360 } else if (strcmp("ciInstanceKlass", cmd) == 0) { |
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361 process_ciInstanceKlass(CHECK); |
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362 } else if (strcmp("instanceKlass", cmd) == 0) { |
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363 process_instanceKlass(CHECK); |
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364 #if INCLUDE_JVMTI |
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365 } else if (strcmp("JvmtiExport", cmd) == 0) { |
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366 process_JvmtiExport(CHECK); |
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367 #endif // INCLUDE_JVMTI |
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368 } else { |
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369 report_error("unknown command"); |
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370 } |
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371 } |
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372 |
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373 // compile <klass> <name> <signature> <entry_bci> |
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374 void process_compile(TRAPS) { |
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375 // methodHandle method; |
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376 Method* method = parse_method(CHECK); |
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377 int entry_bci = parse_int("entry_bci"); |
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378 Klass* k = method->method_holder(); |
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379 ((InstanceKlass*)k)->initialize(THREAD); |
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380 if (HAS_PENDING_EXCEPTION) { |
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381 oop throwable = PENDING_EXCEPTION; |
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382 java_lang_Throwable::print(throwable, tty); |
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383 tty->cr(); |
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384 if (ReplayIgnoreInitErrors) { |
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385 CLEAR_PENDING_EXCEPTION; |
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386 ((InstanceKlass*)k)->set_init_state(InstanceKlass::fully_initialized); |
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387 } else { |
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388 return; |
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389 } |
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390 } |
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391 // Make sure the existence of a prior compile doesn't stop this one |
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392 nmethod* nm = (entry_bci != InvocationEntryBci) ? method->lookup_osr_nmethod_for(entry_bci, CompLevel_full_optimization, true) : method->code(); |
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393 if (nm != NULL) { |
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394 nm->make_not_entrant(); |
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395 } |
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396 replay_state = this; |
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397 CompileBroker::compile_method(method, entry_bci, CompLevel_full_optimization, |
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398 methodHandle(), 0, "replay", THREAD); |
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399 replay_state = NULL; |
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400 reset(); |
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401 } |
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402 |
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403 // ciMethod <klass> <name> <signature> <invocation_counter> <backedge_counter> <interpreter_invocation_count> <interpreter_throwout_count> <instructions_size> |
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404 // |
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405 // |
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406 void process_ciMethod(TRAPS) { |
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407 Method* method = parse_method(CHECK); |
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408 ciMethodRecord* rec = new_ciMethod(method); |
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409 rec->invocation_counter = parse_int("invocation_counter"); |
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410 rec->backedge_counter = parse_int("backedge_counter"); |
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411 rec->interpreter_invocation_count = parse_int("interpreter_invocation_count"); |
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412 rec->interpreter_throwout_count = parse_int("interpreter_throwout_count"); |
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413 rec->instructions_size = parse_int("instructions_size"); |
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414 } |
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415 |
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416 // ciMethodData <klass> <name> <signature> <state> <current mileage> orig <length> # # ... data <length> # # ... oops <length> |
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417 void process_ciMethodData(TRAPS) { |
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418 Method* method = parse_method(CHECK); |
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419 /* jsut copied from Method, to build interpret data*/ |
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420 if (InstanceRefKlass::owns_pending_list_lock((JavaThread*)THREAD)) { |
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421 return; |
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422 } |
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423 // methodOopDesc::build_interpreter_method_data(method, CHECK); |
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424 { |
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425 // Grab a lock here to prevent multiple |
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426 // MethodData*s from being created. |
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427 MutexLocker ml(MethodData_lock, THREAD); |
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428 if (method->method_data() == NULL) { |
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429 ClassLoaderData* loader_data = method->method_holder()->class_loader_data(); |
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430 MethodData* method_data = MethodData::allocate(loader_data, method, CHECK); |
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431 method->set_method_data(method_data); |
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432 } |
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433 } |
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434 |
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435 // collect and record all the needed information for later |
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436 ciMethodDataRecord* rec = new_ciMethodData(method); |
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437 rec->state = parse_int("state"); |
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438 rec->current_mileage = parse_int("current_mileage"); |
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439 |
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440 rec->orig_data = parse_data("orig", rec->orig_data_length); |
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441 if (rec->orig_data == NULL) { |
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442 return; |
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443 } |
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444 rec->data = parse_intptr_data("data", rec->data_length); |
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parents:
diff
changeset
|
445 if (rec->data == NULL) { |
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minqi
parents:
diff
changeset
|
446 return; |
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6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
447 } |
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6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
448 if (!parse_tag_and_count("oops", rec->oops_length)) { |
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minqi
parents:
diff
changeset
|
449 return; |
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6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
450 } |
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minqi
parents:
diff
changeset
|
451 rec->oops_handles = NEW_RESOURCE_ARRAY(jobject, rec->oops_length); |
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parents:
diff
changeset
|
452 rec->oops_offsets = NEW_RESOURCE_ARRAY(int, rec->oops_length); |
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minqi
parents:
diff
changeset
|
453 for (int i = 0; i < rec->oops_length; i++) { |
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minqi
parents:
diff
changeset
|
454 int offset = parse_int("offset"); |
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minqi
parents:
diff
changeset
|
455 if (had_error()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
456 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
457 } |
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6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
458 Klass* k = parse_klass(CHECK); |
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minqi
parents:
diff
changeset
|
459 rec->oops_offsets[i] = offset; |
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minqi
parents:
diff
changeset
|
460 rec->oops_handles[i] = (jobject)(new KlassHandle(THREAD, k)); |
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minqi
parents:
diff
changeset
|
461 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
462 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
463 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
464 // instanceKlass <name> |
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minqi
parents:
diff
changeset
|
465 // |
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minqi
parents:
diff
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|
466 // Loads and initializes the klass 'name'. This can be used to |
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minqi
parents:
diff
changeset
|
467 // create particular class loading environments |
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minqi
parents:
diff
changeset
|
468 void process_instanceKlass(TRAPS) { |
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minqi
parents:
diff
changeset
|
469 // just load the referenced class |
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minqi
parents:
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changeset
|
470 Klass* k = parse_klass(CHECK); |
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minqi
parents:
diff
changeset
|
471 } |
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minqi
parents:
diff
changeset
|
472 |
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minqi
parents:
diff
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|
473 // ciInstanceKlass <name> <is_linked> <is_initialized> <length> tag # # # ... |
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minqi
parents:
diff
changeset
|
474 // |
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minqi
parents:
diff
changeset
|
475 // Load the klass 'name' and link or initialize it. Verify that the |
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minqi
parents:
diff
changeset
|
476 // constant pool is the same length as 'length' and make sure the |
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minqi
parents:
diff
changeset
|
477 // constant pool tags are in the same state. |
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minqi
parents:
diff
changeset
|
478 void process_ciInstanceKlass(TRAPS) { |
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minqi
parents:
diff
changeset
|
479 InstanceKlass* k = (InstanceKlass *)parse_klass(CHECK); |
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minqi
parents:
diff
changeset
|
480 int is_linked = parse_int("is_linked"); |
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minqi
parents:
diff
changeset
|
481 int is_initialized = parse_int("is_initialized"); |
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minqi
parents:
diff
changeset
|
482 int length = parse_int("length"); |
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minqi
parents:
diff
changeset
|
483 if (is_initialized) { |
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minqi
parents:
diff
changeset
|
484 k->initialize(THREAD); |
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minqi
parents:
diff
changeset
|
485 if (HAS_PENDING_EXCEPTION) { |
bd7a7ce2e264
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minqi
parents:
diff
changeset
|
486 oop throwable = PENDING_EXCEPTION; |
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minqi
parents:
diff
changeset
|
487 java_lang_Throwable::print(throwable, tty); |
bd7a7ce2e264
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minqi
parents:
diff
changeset
|
488 tty->cr(); |
bd7a7ce2e264
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minqi
parents:
diff
changeset
|
489 if (ReplayIgnoreInitErrors) { |
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minqi
parents:
diff
changeset
|
490 CLEAR_PENDING_EXCEPTION; |
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minqi
parents:
diff
changeset
|
491 k->set_init_state(InstanceKlass::fully_initialized); |
bd7a7ce2e264
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minqi
parents:
diff
changeset
|
492 } else { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
493 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
494 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
495 } |
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minqi
parents:
diff
changeset
|
496 } else if (is_linked) { |
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minqi
parents:
diff
changeset
|
497 k->link_class(CHECK); |
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minqi
parents:
diff
changeset
|
498 } |
bd7a7ce2e264
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minqi
parents:
diff
changeset
|
499 ConstantPool* cp = k->constants(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
500 if (length != cp->length()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
501 report_error("constant pool length mismatch: wrong class files?"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
502 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
503 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
504 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
505 int parsed_two_word = 0; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
506 for (int i = 1; i < length; i++) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
507 int tag = parse_int("tag"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
508 if (had_error()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
509 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
510 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
511 switch (cp->tag_at(i).value()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
512 case JVM_CONSTANT_UnresolvedClass: { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
513 if (tag == JVM_CONSTANT_Class) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
514 tty->print_cr("Resolving klass %s at %d", cp->unresolved_klass_at(i)->as_utf8(), i); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
515 Klass* k = cp->klass_at(i, CHECK); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
516 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
517 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
518 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
519 case JVM_CONSTANT_Long: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
520 case JVM_CONSTANT_Double: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
521 parsed_two_word = i + 1; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
522 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
523 case JVM_CONSTANT_ClassIndex: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
524 case JVM_CONSTANT_StringIndex: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
525 case JVM_CONSTANT_String: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
526 case JVM_CONSTANT_UnresolvedClassInError: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
527 case JVM_CONSTANT_Fieldref: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
528 case JVM_CONSTANT_Methodref: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
529 case JVM_CONSTANT_InterfaceMethodref: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
530 case JVM_CONSTANT_NameAndType: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
531 case JVM_CONSTANT_Utf8: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
532 case JVM_CONSTANT_Integer: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
533 case JVM_CONSTANT_Float: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
534 if (tag != cp->tag_at(i).value()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
535 report_error("tag mismatch: wrong class files?"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
536 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
537 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
538 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
539 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
540 case JVM_CONSTANT_Class: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
541 if (tag == JVM_CONSTANT_Class) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
542 } else if (tag == JVM_CONSTANT_UnresolvedClass) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
543 tty->print_cr("Warning: entry was unresolved in the replay data"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
544 } else { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
545 report_error("Unexpected tag"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
546 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
547 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
548 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
549 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
550 case 0: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
551 if (parsed_two_word == i) continue; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
552 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
553 default: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
554 ShouldNotReachHere(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
555 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
556 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
557 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
558 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
559 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
560 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
561 // Initialize a class and fill in the value for a static field. |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
562 // This is useful when the compile was dependent on the value of |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
563 // static fields but it's impossible to properly rerun the static |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
564 // initiailizer. |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
565 void process_staticfield(TRAPS) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
566 InstanceKlass* k = (InstanceKlass *)parse_klass(CHECK); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
567 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
568 if (ReplaySuppressInitializers == 0 || |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
569 ReplaySuppressInitializers == 2 && k->class_loader() == NULL) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
570 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
571 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
572 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
573 assert(k->is_initialized(), "must be"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
574 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
575 const char* field_name = parse_escaped_string();; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
576 const char* field_signature = parse_string(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
577 fieldDescriptor fd; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
578 Symbol* name = SymbolTable::lookup(field_name, (int)strlen(field_name), CHECK); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
579 Symbol* sig = SymbolTable::lookup(field_signature, (int)strlen(field_signature), CHECK); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
580 if (!k->find_local_field(name, sig, &fd) || |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
581 !fd.is_static() || |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
582 fd.has_initial_value()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
583 report_error(field_name); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
584 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
585 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
586 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
587 oop java_mirror = k->java_mirror(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
588 if (field_signature[0] == '[') { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
589 int length = parse_int("array length"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
590 oop value = NULL; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
591 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
592 if (field_signature[1] == '[') { |
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593 // multi dimensional array |
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594 ArrayKlass* kelem = (ArrayKlass *)parse_klass(CHECK); |
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595 int rank = 0; |
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596 while (field_signature[rank] == '[') { |
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597 rank++; |
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598 } |
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599 int* dims = NEW_RESOURCE_ARRAY(int, rank); |
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600 dims[0] = length; |
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601 for (int i = 1; i < rank; i++) { |
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602 dims[i] = 1; // These aren't relevant to the compiler |
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603 } |
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604 value = kelem->multi_allocate(rank, dims, CHECK); |
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605 } else { |
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606 if (strcmp(field_signature, "[B") == 0) { |
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607 value = oopFactory::new_byteArray(length, CHECK); |
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608 } else if (strcmp(field_signature, "[Z") == 0) { |
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609 value = oopFactory::new_boolArray(length, CHECK); |
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610 } else if (strcmp(field_signature, "[C") == 0) { |
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611 value = oopFactory::new_charArray(length, CHECK); |
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612 } else if (strcmp(field_signature, "[S") == 0) { |
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613 value = oopFactory::new_shortArray(length, CHECK); |
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614 } else if (strcmp(field_signature, "[F") == 0) { |
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615 value = oopFactory::new_singleArray(length, CHECK); |
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616 } else if (strcmp(field_signature, "[D") == 0) { |
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617 value = oopFactory::new_doubleArray(length, CHECK); |
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618 } else if (strcmp(field_signature, "[I") == 0) { |
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619 value = oopFactory::new_intArray(length, CHECK); |
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620 } else if (strcmp(field_signature, "[J") == 0) { |
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621 value = oopFactory::new_longArray(length, CHECK); |
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622 } else if (field_signature[0] == '[' && field_signature[1] == 'L') { |
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623 KlassHandle kelem = resolve_klass(field_signature + 1, CHECK); |
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624 value = oopFactory::new_objArray(kelem(), length, CHECK); |
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625 } else { |
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626 report_error("unhandled array staticfield"); |
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627 } |
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628 } |
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629 java_mirror->obj_field_put(fd.offset(), value); |
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630 } else { |
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631 const char* string_value = parse_escaped_string(); |
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632 if (strcmp(field_signature, "I") == 0) { |
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633 int value = atoi(string_value); |
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634 java_mirror->int_field_put(fd.offset(), value); |
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635 } else if (strcmp(field_signature, "B") == 0) { |
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636 int value = atoi(string_value); |
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637 java_mirror->byte_field_put(fd.offset(), value); |
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638 } else if (strcmp(field_signature, "C") == 0) { |
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639 int value = atoi(string_value); |
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640 java_mirror->char_field_put(fd.offset(), value); |
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641 } else if (strcmp(field_signature, "S") == 0) { |
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642 int value = atoi(string_value); |
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643 java_mirror->short_field_put(fd.offset(), value); |
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644 } else if (strcmp(field_signature, "Z") == 0) { |
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645 int value = atol(string_value); |
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646 java_mirror->bool_field_put(fd.offset(), value); |
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647 } else if (strcmp(field_signature, "J") == 0) { |
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648 jlong value; |
7623
203f64878aab
7102489: RFE: cleanup jlong typedef on __APPLE__and _LLP64 systems.
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649 if (sscanf(string_value, JLONG_FORMAT, &value) != 1) { |
6972
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650 fprintf(stderr, "Error parsing long: %s\n", string_value); |
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651 return; |
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652 } |
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653 java_mirror->long_field_put(fd.offset(), value); |
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654 } else if (strcmp(field_signature, "F") == 0) { |
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655 float value = atof(string_value); |
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656 java_mirror->float_field_put(fd.offset(), value); |
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657 } else if (strcmp(field_signature, "D") == 0) { |
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658 double value = atof(string_value); |
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659 java_mirror->double_field_put(fd.offset(), value); |
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660 } else if (strcmp(field_signature, "Ljava/lang/String;") == 0) { |
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661 Handle value = java_lang_String::create_from_str(string_value, CHECK); |
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662 java_mirror->obj_field_put(fd.offset(), value()); |
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663 } else if (field_signature[0] == 'L') { |
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664 Symbol* klass_name = SymbolTable::lookup(field_signature, (int)strlen(field_signature), CHECK); |
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665 KlassHandle kelem = resolve_klass(field_signature, CHECK); |
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666 oop value = ((InstanceKlass*)kelem())->allocate_instance(CHECK); |
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667 java_mirror->obj_field_put(fd.offset(), value); |
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668 } else { |
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669 report_error("unhandled staticfield"); |
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670 } |
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671 } |
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672 } |
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673 |
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674 #if INCLUDE_JVMTI |
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675 void process_JvmtiExport(TRAPS) { |
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676 const char* field = parse_string(); |
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677 bool value = parse_int("JvmtiExport flag") != 0; |
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678 if (strcmp(field, "can_access_local_variables") == 0) { |
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679 JvmtiExport::set_can_access_local_variables(value); |
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680 } else if (strcmp(field, "can_hotswap_or_post_breakpoint") == 0) { |
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681 JvmtiExport::set_can_hotswap_or_post_breakpoint(value); |
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682 } else if (strcmp(field, "can_post_on_exceptions") == 0) { |
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683 JvmtiExport::set_can_post_on_exceptions(value); |
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684 } else { |
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685 report_error("Unrecognized JvmtiExport directive"); |
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686 } |
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687 } |
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688 #endif // INCLUDE_JVMTI |
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689 |
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690 // Create and initialize a record for a ciMethod |
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691 ciMethodRecord* new_ciMethod(Method* method) { |
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692 ciMethodRecord* rec = NEW_RESOURCE_OBJ(ciMethodRecord); |
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693 rec->klass = method->method_holder()->name()->as_utf8(); |
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694 rec->method = method->name()->as_utf8(); |
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695 rec->signature = method->signature()->as_utf8(); |
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696 ci_method_records.append(rec); |
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697 return rec; |
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698 } |
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699 |
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700 // Lookup data for a ciMethod |
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701 ciMethodRecord* find_ciMethodRecord(Method* method) { |
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702 const char* klass_name = method->method_holder()->name()->as_utf8(); |
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703 const char* method_name = method->name()->as_utf8(); |
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704 const char* signature = method->signature()->as_utf8(); |
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705 for (int i = 0; i < ci_method_records.length(); i++) { |
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706 ciMethodRecord* rec = ci_method_records.at(i); |
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707 if (strcmp(rec->klass, klass_name) == 0 && |
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708 strcmp(rec->method, method_name) == 0 && |
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709 strcmp(rec->signature, signature) == 0) { |
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710 return rec; |
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|
711 } |
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712 } |
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713 return NULL; |
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714 } |
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|
715 |
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|
716 // Create and initialize a record for a ciMethodData |
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717 ciMethodDataRecord* new_ciMethodData(Method* method) { |
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718 ciMethodDataRecord* rec = NEW_RESOURCE_OBJ(ciMethodDataRecord); |
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719 rec->klass = method->method_holder()->name()->as_utf8(); |
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720 rec->method = method->name()->as_utf8(); |
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721 rec->signature = method->signature()->as_utf8(); |
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722 ci_method_data_records.append(rec); |
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723 return rec; |
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724 } |
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|
725 |
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726 // Lookup data for a ciMethodData |
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727 ciMethodDataRecord* find_ciMethodDataRecord(Method* method) { |
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728 const char* klass_name = method->method_holder()->name()->as_utf8(); |
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729 const char* method_name = method->name()->as_utf8(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
730 const char* signature = method->signature()->as_utf8(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
731 for (int i = 0; i < ci_method_data_records.length(); i++) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
732 ciMethodDataRecord* rec = ci_method_data_records.at(i); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
733 if (strcmp(rec->klass, klass_name) == 0 && |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
734 strcmp(rec->method, method_name) == 0 && |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
735 strcmp(rec->signature, signature) == 0) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
736 return rec; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
737 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
738 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
739 return NULL; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
740 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
741 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
742 const char* error_message() { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
743 return _error_message; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
744 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
745 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
746 void reset() { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
747 _error_message = NULL; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
748 ci_method_records.clear(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
749 ci_method_data_records.clear(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
750 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
751 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
752 // Take an ascii string contain \u#### escapes and convert it to utf8 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
753 // in place. |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
754 static void unescape_string(char* value) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
755 char* from = value; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
756 char* to = value; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
757 while (*from != '\0') { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
758 if (*from != '\\') { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
759 *from++ = *to++; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
760 } else { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
761 switch (from[1]) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
762 case 'u': { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
763 from += 2; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
764 jchar value=0; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
765 for (int i=0; i<4; i++) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
766 char c = *from++; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
767 switch (c) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
768 case '0': case '1': case '2': case '3': case '4': |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
769 case '5': case '6': case '7': case '8': case '9': |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
770 value = (value << 4) + c - '0'; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
771 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
772 case 'a': case 'b': case 'c': |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
773 case 'd': case 'e': case 'f': |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
774 value = (value << 4) + 10 + c - 'a'; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
775 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
776 case 'A': case 'B': case 'C': |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
777 case 'D': case 'E': case 'F': |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
778 value = (value << 4) + 10 + c - 'A'; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
779 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
780 default: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
781 ShouldNotReachHere(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
782 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
783 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
784 UNICODE::convert_to_utf8(&value, 1, to); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
785 to++; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
786 break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
787 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
788 case 't': *to++ = '\t'; from += 2; break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
789 case 'n': *to++ = '\n'; from += 2; break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
790 case 'r': *to++ = '\r'; from += 2; break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
791 case 'f': *to++ = '\f'; from += 2; break; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
792 default: |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
793 ShouldNotReachHere(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
794 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
795 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
796 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
797 *from = *to; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
798 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
799 }; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
800 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
801 void ciReplay::replay(TRAPS) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
802 int exit_code = replay_impl(THREAD); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
803 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
804 Threads::destroy_vm(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
805 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
806 vm_exit(exit_code); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
807 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
808 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
809 int ciReplay::replay_impl(TRAPS) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
810 HandleMark hm; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
811 ResourceMark rm; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
812 // Make sure we don't run with background compilation |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
813 BackgroundCompilation = false; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
814 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
815 if (ReplaySuppressInitializers > 2) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
816 // ReplaySuppressInitializers > 2 means that we want to allow |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
817 // normal VM bootstrap but once we get into the replay itself |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
818 // don't allow any intializers to be run. |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
819 ReplaySuppressInitializers = 1; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
820 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
821 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
822 // Load and parse the replay data |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
823 CompileReplay rp(ReplayDataFile, THREAD); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
824 int exit_code = 0; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
825 if (rp.can_replay()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
826 rp.process(THREAD); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
827 } else { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
828 exit_code = 1; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
829 return exit_code; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
830 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
831 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
832 if (HAS_PENDING_EXCEPTION) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
833 oop throwable = PENDING_EXCEPTION; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
834 CLEAR_PENDING_EXCEPTION; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
835 java_lang_Throwable::print(throwable, tty); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
836 tty->cr(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
837 java_lang_Throwable::print_stack_trace(throwable, tty); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
838 tty->cr(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
839 exit_code = 2; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
840 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
841 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
842 if (rp.had_error()) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
843 tty->print_cr("Failed on %s", rp.error_message()); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
844 exit_code = 1; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
845 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
846 return exit_code; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
847 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
848 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
849 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
850 void ciReplay::initialize(ciMethodData* m) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
851 if (replay_state == NULL) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
852 return; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
853 } |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
854 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
855 ASSERT_IN_VM; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
856 ResourceMark rm; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
857 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
858 Method* method = m->get_MethodData()->method(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
859 ciMethodDataRecord* rec = replay_state->find_ciMethodDataRecord(method); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
860 if (rec == NULL) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
861 // This indicates some mismatch with the original environment and |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
862 // the replay environment though it's not always enough to |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
863 // interfere with reproducing a bug |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
864 tty->print_cr("Warning: requesting ciMethodData record for method with no data: "); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
865 method->print_name(tty); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
866 tty->cr(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
867 } else { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
868 m->_state = rec->state; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
869 m->_current_mileage = rec->current_mileage; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
870 if (rec->data_length != 0) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
871 assert(m->_data_size == rec->data_length * (int)sizeof(rec->data[0]), "must agree"); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
872 |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
873 // Write the correct ciObjects back into the profile data |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
874 ciEnv* env = ciEnv::current(); |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
875 for (int i = 0; i < rec->oops_length; i++) { |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
876 KlassHandle *h = (KlassHandle *)rec->oops_handles[i]; |
bd7a7ce2e264
6830717: replay of compilations would help with debugging
minqi
parents:
diff
changeset
|
877 *(ciMetadata**)(rec->data + rec->oops_offsets[i]) = |
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878 env->get_metadata((*h)()); |
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879 } |
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880 // Copy the updated profile data into place as intptr_ts |
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881 #ifdef _LP64 |
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882 Copy::conjoint_jlongs_atomic((jlong *)rec->data, (jlong *)m->_data, rec->data_length); |
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883 #else |
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884 Copy::conjoint_jints_atomic((jint *)rec->data, (jint *)m->_data, rec->data_length); |
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885 #endif |
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886 } |
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887 |
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888 // copy in the original header |
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889 Copy::conjoint_jbytes(rec->orig_data, (char*)&m->_orig, rec->orig_data_length); |
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890 } |
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891 } |
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892 |
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893 |
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894 bool ciReplay::should_not_inline(ciMethod* method) { |
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895 if (replay_state == NULL) { |
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896 return false; |
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897 } |
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898 |
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899 VM_ENTRY_MARK; |
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900 // ciMethod without a record shouldn't be inlined. |
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901 return replay_state->find_ciMethodRecord(method->get_Method()) == NULL; |
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902 } |
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903 |
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904 |
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905 void ciReplay::initialize(ciMethod* m) { |
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906 if (replay_state == NULL) { |
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907 return; |
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908 } |
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909 |
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910 ASSERT_IN_VM; |
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911 ResourceMark rm; |
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912 |
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913 Method* method = m->get_Method(); |
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914 ciMethodRecord* rec = replay_state->find_ciMethodRecord(method); |
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915 if (rec == NULL) { |
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916 // This indicates some mismatch with the original environment and |
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917 // the replay environment though it's not always enough to |
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918 // interfere with reproducing a bug |
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919 tty->print_cr("Warning: requesting ciMethod record for method with no data: "); |
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920 method->print_name(tty); |
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921 tty->cr(); |
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922 } else { |
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923 // m->_instructions_size = rec->instructions_size; |
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924 m->_instructions_size = -1; |
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925 m->_interpreter_invocation_count = rec->interpreter_invocation_count; |
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926 m->_interpreter_throwout_count = rec->interpreter_throwout_count; |
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927 method->invocation_counter()->_counter = rec->invocation_counter; |
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928 method->backedge_counter()->_counter = rec->backedge_counter; |
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929 } |
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930 } |
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931 |
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932 bool ciReplay::is_loaded(Method* method) { |
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933 if (replay_state == NULL) { |
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934 return true; |
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935 } |
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936 |
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937 ASSERT_IN_VM; |
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938 ResourceMark rm; |
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939 |
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940 ciMethodRecord* rec = replay_state->find_ciMethodRecord(method); |
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941 return rec != NULL; |
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942 } |
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943 #endif // PRODUCT |