Mercurial > hg > truffle
annotate src/share/vm/graal/graalEnv.cpp @ 14714:b602356a9cfc
additional canonicalizers for accesses and value nodes (improves number of implicit null checks)
author | Lukas Stadler <lukas.stadler@oracle.com> |
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date | Thu, 20 Mar 2014 17:15:36 +0100 |
parents | cd22c8dbda4f |
children | 62e218478931 |
rev | line source |
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1 /* |
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2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #include "precompiled.hpp" |
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26 #include "graal/graalEnv.hpp" |
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27 #include "classfile/systemDictionary.hpp" |
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28 #include "classfile/vmSymbols.hpp" |
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29 #include "code/scopeDesc.hpp" |
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30 #include "runtime/sweeper.hpp" |
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31 #include "compiler/compileBroker.hpp" |
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32 #include "compiler/compileLog.hpp" |
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33 #include "compiler/compilerOracle.hpp" |
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34 #include "interpreter/linkResolver.hpp" |
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35 #include "memory/allocation.inline.hpp" |
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36 #include "memory/oopFactory.hpp" |
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37 #include "memory/universe.inline.hpp" |
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38 #include "oops/methodData.hpp" |
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39 #include "oops/objArrayKlass.hpp" |
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40 #include "prims/jvmtiExport.hpp" |
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41 #include "runtime/init.hpp" |
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42 #include "runtime/reflection.hpp" |
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43 #include "runtime/sharedRuntime.hpp" |
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44 #include "utilities/dtrace.hpp" |
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45 #include "graal/graalRuntime.hpp" |
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46 #include "graal/graalJavaAccess.hpp" |
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47 |
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48 // ------------------------------------------------------------------ |
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49 // Note: the logic of this method should mirror the logic of |
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50 // constantPoolOopDesc::verify_constant_pool_resolve. |
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51 bool GraalEnv::check_klass_accessibility(KlassHandle accessing_klass, KlassHandle resolved_klass) { |
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52 if (accessing_klass->oop_is_objArray()) { |
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53 accessing_klass = ObjArrayKlass::cast(accessing_klass())->bottom_klass(); |
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54 } |
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55 if (!accessing_klass->oop_is_instance()) { |
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56 return true; |
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57 } |
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58 |
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59 if (resolved_klass->oop_is_objArray()) { |
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60 // Find the element klass, if this is an array. |
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61 resolved_klass = ObjArrayKlass::cast(resolved_klass())->bottom_klass(); |
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62 } |
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63 if (resolved_klass->oop_is_instance()) { |
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64 return Reflection::verify_class_access(accessing_klass(), resolved_klass(), true); |
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65 } |
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66 return true; |
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67 } |
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68 |
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69 // ------------------------------------------------------------------ |
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70 KlassHandle GraalEnv::get_klass_by_name_impl(KlassHandle& accessing_klass, |
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71 constantPoolHandle& cpool, |
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72 Symbol* sym, |
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73 bool require_local) { |
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74 GRAAL_EXCEPTION_CONTEXT; |
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75 |
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76 // Now we need to check the SystemDictionary |
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77 if (sym->byte_at(0) == 'L' && |
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78 sym->byte_at(sym->utf8_length()-1) == ';') { |
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79 // This is a name from a signature. Strip off the trimmings. |
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80 // Call recursive to keep scope of strippedsym. |
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81 TempNewSymbol strippedsym = SymbolTable::new_symbol(sym->as_utf8()+1, |
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82 sym->utf8_length()-2, |
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83 CHECK_(KlassHandle())); |
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84 return get_klass_by_name_impl(accessing_klass, cpool, strippedsym, require_local); |
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85 } |
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86 |
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87 Handle loader(THREAD, (oop)NULL); |
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88 Handle domain(THREAD, (oop)NULL); |
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89 if (!accessing_klass.is_null()) { |
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90 loader = Handle(THREAD, accessing_klass->class_loader()); |
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91 domain = Handle(THREAD, accessing_klass->protection_domain()); |
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92 } |
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93 |
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94 KlassHandle found_klass; |
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95 { |
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96 ttyUnlocker ttyul; // release tty lock to avoid ordering problems |
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97 MutexLocker ml(Compile_lock); |
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98 Klass* kls; |
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99 if (!require_local) { |
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100 kls = SystemDictionary::find_constrained_instance_or_array_klass(sym, loader, CHECK_(KlassHandle())); |
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101 } else { |
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102 kls = SystemDictionary::find_instance_or_array_klass(sym, loader, domain, CHECK_(KlassHandle())); |
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103 } |
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104 found_klass = KlassHandle(THREAD, kls); |
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105 } |
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106 |
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107 // If we fail to find an array klass, look again for its element type. |
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108 // The element type may be available either locally or via constraints. |
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109 // In either case, if we can find the element type in the system dictionary, |
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110 // we must build an array type around it. The CI requires array klasses |
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111 // to be loaded if their element klasses are loaded, except when memory |
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112 // is exhausted. |
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113 if (sym->byte_at(0) == '[' && |
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114 (sym->byte_at(1) == '[' || sym->byte_at(1) == 'L')) { |
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115 // We have an unloaded array. |
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116 // Build it on the fly if the element class exists. |
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117 TempNewSymbol elem_sym = SymbolTable::new_symbol(sym->as_utf8()+1, |
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118 sym->utf8_length()-1, |
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119 CHECK_(KlassHandle())); |
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120 |
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121 // Get element Klass recursively. |
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122 KlassHandle elem_klass = |
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123 get_klass_by_name_impl(accessing_klass, |
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124 cpool, |
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125 elem_sym, |
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126 require_local); |
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127 if (!elem_klass.is_null()) { |
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128 // Now make an array for it |
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129 return elem_klass->array_klass(CHECK_(KlassHandle())); |
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130 } |
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131 } |
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132 |
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133 if (found_klass.is_null() && !cpool.is_null() && cpool->has_preresolution()) { |
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134 // Look inside the constant pool for pre-resolved class entries. |
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135 for (int i = cpool->length() - 1; i >= 1; i--) { |
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136 if (cpool->tag_at(i).is_klass()) { |
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137 Klass* kls = cpool->resolved_klass_at(i); |
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138 if (kls->name() == sym) { |
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139 return kls; |
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140 } |
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141 } |
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142 } |
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143 } |
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144 |
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145 return found_klass(); |
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146 } |
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147 |
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148 // ------------------------------------------------------------------ |
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149 KlassHandle GraalEnv::get_klass_by_name(KlassHandle& accessing_klass, |
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150 Symbol* klass_name, |
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151 bool require_local) { |
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152 ResourceMark rm; |
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153 constantPoolHandle cpool; |
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154 return get_klass_by_name_impl(accessing_klass, |
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155 cpool, |
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156 klass_name, |
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157 require_local); |
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158 } |
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159 |
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160 // ------------------------------------------------------------------ |
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161 // Implementation of get_klass_by_index. |
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162 KlassHandle GraalEnv::get_klass_by_index_impl(constantPoolHandle& cpool, |
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163 int index, |
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164 bool& is_accessible, |
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165 KlassHandle& accessor) { |
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166 GRAAL_EXCEPTION_CONTEXT; |
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167 KlassHandle klass (THREAD, ConstantPool::klass_at_if_loaded(cpool, index)); |
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168 Symbol* klass_name = NULL; |
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169 if (klass.is_null()) { |
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170 // The klass has not been inserted into the constant pool. |
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171 // Try to look it up by name. |
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172 { |
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173 // We have to lock the cpool to keep the oop from being resolved |
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174 // while we are accessing it. |
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175 MonitorLockerEx ml(cpool->lock()); |
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176 |
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177 constantTag tag = cpool->tag_at(index); |
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178 if (tag.is_klass()) { |
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179 // The klass has been inserted into the constant pool |
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180 // very recently. |
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181 klass = KlassHandle(THREAD, cpool->resolved_klass_at(index)); |
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182 } else if (tag.is_symbol()) { |
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183 klass_name = cpool->symbol_at(index); |
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184 } else { |
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185 assert(cpool->tag_at(index).is_unresolved_klass(), "wrong tag"); |
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186 klass_name = cpool->unresolved_klass_at(index); |
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187 } |
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188 } |
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189 } |
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190 |
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191 if (klass.is_null()) { |
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192 // Not found in constant pool. Use the name to do the lookup. |
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193 KlassHandle k = get_klass_by_name_impl(accessor, |
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194 cpool, |
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195 klass_name, |
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196 false); |
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197 // Calculate accessibility the hard way. |
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198 if (k.is_null()) { |
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199 is_accessible = false; |
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200 } else if (k->class_loader() != accessor->class_loader() && |
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201 get_klass_by_name_impl(accessor, cpool, k->name(), true).is_null()) { |
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202 // Loaded only remotely. Not linked yet. |
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203 is_accessible = false; |
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204 } else { |
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205 // Linked locally, and we must also check public/private, etc. |
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206 is_accessible = check_klass_accessibility(accessor, k); |
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207 } |
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208 if (!is_accessible) { |
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209 return KlassHandle(); |
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210 } |
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211 return k; |
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212 } |
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213 |
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214 // It is known to be accessible, since it was found in the constant pool. |
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215 is_accessible = true; |
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216 return klass; |
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217 } |
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218 |
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219 // ------------------------------------------------------------------ |
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220 // Get a klass from the constant pool. |
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221 KlassHandle GraalEnv::get_klass_by_index(constantPoolHandle& cpool, |
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222 int index, |
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223 bool& is_accessible, |
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224 KlassHandle& accessor) { |
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225 ResourceMark rm; |
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226 KlassHandle result = get_klass_by_index_impl(cpool, index, is_accessible, accessor); |
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227 return result; |
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228 } |
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229 |
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230 // ------------------------------------------------------------------ |
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231 // Implementation of get_field_by_index. |
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232 // |
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233 // Implementation note: the results of field lookups are cached |
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234 // in the accessor klass. |
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235 void GraalEnv::get_field_by_index_impl(instanceKlassHandle& klass, fieldDescriptor& field_desc, |
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236 int index) { |
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237 GRAAL_EXCEPTION_CONTEXT; |
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238 |
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239 assert(klass->is_linked(), "must be linked before using its constant-pool"); |
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240 |
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241 constantPoolHandle cpool(thread, klass->constants()); |
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242 |
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243 // Get the field's name, signature, and type. |
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244 Symbol* name = cpool->name_ref_at(index); |
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245 |
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246 int nt_index = cpool->name_and_type_ref_index_at(index); |
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247 int sig_index = cpool->signature_ref_index_at(nt_index); |
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248 Symbol* signature = cpool->symbol_at(sig_index); |
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249 |
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250 // Get the field's declared holder. |
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251 int holder_index = cpool->klass_ref_index_at(index); |
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252 bool holder_is_accessible; |
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253 KlassHandle declared_holder = get_klass_by_index(cpool, holder_index, |
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254 holder_is_accessible, |
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255 klass); |
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256 |
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257 // The declared holder of this field may not have been loaded. |
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258 // Bail out with partial field information. |
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259 if (!holder_is_accessible) { |
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260 return; |
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261 } |
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262 |
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263 |
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264 // Perform the field lookup. |
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265 Klass* canonical_holder = |
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266 InstanceKlass::cast(declared_holder())->find_field(name, signature, &field_desc); |
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267 if (canonical_holder == NULL) { |
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268 return; |
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269 } |
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270 |
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271 assert(canonical_holder == field_desc.field_holder(), "just checking"); |
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272 } |
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273 |
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274 // ------------------------------------------------------------------ |
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275 // Get a field by index from a klass's constant pool. |
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276 void GraalEnv::get_field_by_index(instanceKlassHandle& accessor, fieldDescriptor& fd, int index) { |
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277 ResourceMark rm; |
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278 return get_field_by_index_impl(accessor, fd, index); |
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279 } |
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280 |
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281 // ------------------------------------------------------------------ |
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282 // Perform an appropriate method lookup based on accessor, holder, |
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283 // name, signature, and bytecode. |
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284 methodHandle GraalEnv::lookup_method(instanceKlassHandle& h_accessor, |
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285 instanceKlassHandle& h_holder, |
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286 Symbol* name, |
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287 Symbol* sig, |
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288 Bytecodes::Code bc) { |
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289 GRAAL_EXCEPTION_CONTEXT; |
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290 LinkResolver::check_klass_accessability(h_accessor, h_holder, KILL_COMPILE_ON_FATAL_(NULL)); |
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291 methodHandle dest_method; |
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292 switch (bc) { |
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293 case Bytecodes::_invokestatic: |
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294 dest_method = |
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295 LinkResolver::resolve_static_call_or_null(h_holder, name, sig, h_accessor); |
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296 break; |
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297 case Bytecodes::_invokespecial: |
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298 dest_method = |
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299 LinkResolver::resolve_special_call_or_null(h_holder, name, sig, h_accessor); |
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300 break; |
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301 case Bytecodes::_invokeinterface: |
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302 dest_method = |
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303 LinkResolver::linktime_resolve_interface_method_or_null(h_holder, name, sig, |
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304 h_accessor, true); |
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305 break; |
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306 case Bytecodes::_invokevirtual: |
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307 dest_method = |
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308 LinkResolver::linktime_resolve_virtual_method_or_null(h_holder, name, sig, |
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309 h_accessor, true); |
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310 break; |
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311 default: ShouldNotReachHere(); |
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312 } |
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313 |
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314 return dest_method; |
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315 } |
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316 |
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317 |
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318 // ------------------------------------------------------------------ |
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319 methodHandle GraalEnv::get_method_by_index_impl(constantPoolHandle& cpool, |
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320 int index, Bytecodes::Code bc, |
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321 instanceKlassHandle& accessor) { |
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322 if (bc == Bytecodes::_invokedynamic) { |
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323 ConstantPoolCacheEntry* cpce = cpool->invokedynamic_cp_cache_entry_at(index); |
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324 bool is_resolved = !cpce->is_f1_null(); |
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325 if (is_resolved) { |
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326 // Get the invoker Method* from the constant pool. |
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327 // (The appendix argument, if any, will be noted in the method's signature.) |
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328 Method* adapter = cpce->f1_as_method(); |
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329 return methodHandle(adapter); |
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330 } |
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331 |
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332 return NULL; |
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333 } |
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334 |
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335 int holder_index = cpool->klass_ref_index_at(index); |
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336 bool holder_is_accessible; |
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337 KlassHandle holder = get_klass_by_index_impl(cpool, holder_index, holder_is_accessible, accessor); |
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338 |
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339 // Get the method's name and signature. |
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340 Symbol* name_sym = cpool->name_ref_at(index); |
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341 Symbol* sig_sym = cpool->signature_ref_at(index); |
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342 |
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343 if (cpool->has_preresolution() |
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344 || (holder() == SystemDictionary::MethodHandle_klass() && |
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345 MethodHandles::is_signature_polymorphic_name(holder(), name_sym))) { |
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346 // Short-circuit lookups for JSR 292-related call sites. |
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347 // That is, do not rely only on name-based lookups, because they may fail |
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348 // if the names are not resolvable in the boot class loader (7056328). |
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349 switch (bc) { |
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350 case Bytecodes::_invokevirtual: |
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351 case Bytecodes::_invokeinterface: |
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352 case Bytecodes::_invokespecial: |
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353 case Bytecodes::_invokestatic: |
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354 { |
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355 Method* m = ConstantPool::method_at_if_loaded(cpool, index); |
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356 if (m != NULL) { |
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357 return m; |
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358 } |
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359 } |
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360 break; |
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361 } |
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362 } |
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363 |
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364 if (holder_is_accessible) { // Our declared holder is loaded. |
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365 instanceKlassHandle lookup = get_instance_klass_for_declared_method_holder(holder); |
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366 methodHandle m = lookup_method(accessor, lookup, name_sym, sig_sym, bc); |
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367 if (!m.is_null() && |
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368 (bc == Bytecodes::_invokestatic |
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369 ? InstanceKlass::cast(m->method_holder())->is_not_initialized() |
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370 : !InstanceKlass::cast(m->method_holder())->is_loaded())) { |
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371 m = NULL; |
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372 } |
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373 if (!m.is_null()) { |
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374 // We found the method. |
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375 return m; |
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376 } |
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377 } |
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378 |
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379 // Either the declared holder was not loaded, or the method could |
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380 // not be found. |
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381 |
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382 return NULL; |
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383 } |
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Initial port of ciEnv to graalEnv.
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384 |
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385 // ------------------------------------------------------------------ |
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386 instanceKlassHandle GraalEnv::get_instance_klass_for_declared_method_holder(KlassHandle& method_holder) { |
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387 // For the case of <array>.clone(), the method holder can be an ArrayKlass* |
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388 // instead of an InstanceKlass*. For that case simply pretend that the |
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389 // declared holder is Object.clone since that's where the call will bottom out. |
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390 if (method_holder->oop_is_instance()) { |
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391 return instanceKlassHandle(method_holder()); |
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392 } else if (method_holder->oop_is_array()) { |
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393 return instanceKlassHandle(SystemDictionary::Object_klass()); |
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394 } else { |
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395 ShouldNotReachHere(); |
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396 } |
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397 return NULL; |
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398 } |
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Initial port of ciEnv to graalEnv.
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399 |
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Initial port of ciEnv to graalEnv.
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400 |
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Initial port of ciEnv to graalEnv.
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401 // ------------------------------------------------------------------ |
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402 methodHandle GraalEnv::get_method_by_index(constantPoolHandle& cpool, |
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403 int index, Bytecodes::Code bc, |
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404 instanceKlassHandle& accessor) { |
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Pass-by compilation broker.
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405 ResourceMark rm; |
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406 return get_method_by_index_impl(cpool, index, bc, accessor); |
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407 } |
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408 |
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409 // ------------------------------------------------------------------ |
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410 // Check for changes to the system dictionary during compilation |
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411 // class loads, evolution, breakpoints |
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412 bool GraalEnv::check_for_system_dictionary_modification(Dependencies* dependencies) { |
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413 // Dependencies must be checked when the system dictionary changes. |
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414 // If logging is enabled all violated dependences will be recorded in |
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415 // the log. In debug mode check dependencies even if the system |
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416 // dictionary hasn't changed to verify that no invalid dependencies |
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Initial port of ciEnv to graalEnv.
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417 // were inserted. Any violated dependences in this case are dumped to |
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Initial port of ciEnv to graalEnv.
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418 // the tty. |
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Initial port of ciEnv to graalEnv.
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|
419 |
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comments cleanup/retagging
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|
420 // TODO (thomaswue): Always check dependency for now. |
3635
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Initial port of ciEnv to graalEnv.
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421 //bool counter_changed = system_dictionary_modification_counter_changed(); |
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Initial port of ciEnv to graalEnv.
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422 //bool test_deps = counter_changed; |
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423 //DEBUG_ONLY(test_deps = true); |
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Initial port of ciEnv to graalEnv.
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424 //if (!test_deps) return; |
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Initial port of ciEnv to graalEnv.
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|
425 |
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Initial port of ciEnv to graalEnv.
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426 for (Dependencies::DepStream deps(dependencies); deps.next(); ) { |
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|
427 Klass* witness = deps.check_dependency(); |
3635
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Initial port of ciEnv to graalEnv.
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|
428 if (witness != NULL) { |
3636
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Use GraalEnv for installing code.
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|
429 return false; |
3635
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|
430 } |
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Initial port of ciEnv to graalEnv.
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|
431 } |
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Initial port of ciEnv to graalEnv.
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|
432 |
3636
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Use GraalEnv for installing code.
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|
433 return true; |
3635
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|
434 } |
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Initial port of ciEnv to graalEnv.
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|
435 |
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Initial port of ciEnv to graalEnv.
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diff
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|
436 // ------------------------------------------------------------------ |
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|
437 GraalEnv::CodeInstallResult GraalEnv::register_method( |
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added metering of code installation failure rate to detect excessive failure caused by overly optimistic assumptions
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|
438 methodHandle& method, |
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added metering of code installation failure rate to detect excessive failure caused by overly optimistic assumptions
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|
439 nmethod*& nm, |
3635
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|
440 int entry_bci, |
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Initial port of ciEnv to graalEnv.
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parents:
diff
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|
441 CodeOffsets* offsets, |
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Initial port of ciEnv to graalEnv.
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parents:
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|
442 int orig_pc_offset, |
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Initial port of ciEnv to graalEnv.
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parents:
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|
443 CodeBuffer* code_buffer, |
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Initial port of ciEnv to graalEnv.
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parents:
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|
444 int frame_words, |
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Initial port of ciEnv to graalEnv.
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parents:
diff
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|
445 OopMapSet* oop_map_set, |
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Initial port of ciEnv to graalEnv.
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parents:
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|
446 ExceptionHandlerTable* handler_table, |
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Initial port of ciEnv to graalEnv.
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parents:
diff
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|
447 AbstractCompiler* compiler, |
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Initial port of ciEnv to graalEnv.
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parents:
diff
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|
448 DebugInformationRecorder* debug_info, |
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Initial port of ciEnv to graalEnv.
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parents:
diff
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|
449 Dependencies* dependencies, |
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Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
450 CompileTask* task, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
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parents:
diff
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|
451 int compile_id, |
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Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
452 bool has_unsafe_access, |
8215
b89a97928e72
Implement weak reference semantics for HotSpotInstalledCode in the default method installation case. Add new boolean[] array as parameter to the code installation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7935
diff
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|
453 Handle installed_code, |
13641
5a9afbf72714
Add a speculation oop for uncommon trap deoptimization. Save it in the SpeculationLog during deoptimization.
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
13086
diff
changeset
|
454 Handle speculation_log) { |
7126
ce248dc0a656
removed all Graal modifications to ci and c1
Doug Simon <doug.simon@oracle.com>
parents:
7125
diff
changeset
|
455 GRAAL_EXCEPTION_CONTEXT; |
3690
f8d7ab42c479
Call NMethodSweeper::possibly_sweep() before registering a method.
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parents:
3674
diff
changeset
|
456 NMethodSweeper::possibly_sweep(); |
7089
af30115c9d0e
added metering of code installation failure rate to detect excessive failure caused by overly optimistic assumptions
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
|
457 nm = NULL; |
14107
800057208a2c
enable C1 + Graal tiered
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
13641
diff
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|
458 int comp_level = CompLevel_full_optimization; |
3635
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Initial port of ciEnv to graalEnv.
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|
459 { |
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Initial port of ciEnv to graalEnv.
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parents:
diff
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|
460 // To prevent compile queue updates. |
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Initial port of ciEnv to graalEnv.
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parents:
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|
461 MutexLocker locker(MethodCompileQueue_lock, THREAD); |
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Initial port of ciEnv to graalEnv.
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parents:
diff
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|
462 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
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parents:
diff
changeset
|
463 // Prevent SystemDictionary::add_to_hierarchy from running |
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Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
464 // and invalidating our dependencies until we install this method. |
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Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
465 MutexLocker ml(Compile_lock); |
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Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
466 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
467 // Encode the dependencies now, so we can check them right away. |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
468 dependencies->encode_content_bytes(); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
469 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
470 // Check for {class loads, evolution, breakpoints} during compilation |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
471 if (!check_for_system_dictionary_modification(dependencies)) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
472 // While not a true deoptimization, it is a preemptive decompile. |
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6275
diff
changeset
|
473 MethodData* mdp = method()->method_data(); |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6275
diff
changeset
|
474 if (mdp != NULL) { |
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
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parents:
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diff
changeset
|
475 mdp->inc_decompile_count(); |
7154
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7126
diff
changeset
|
476 if (mdp->decompile_count() > (uint)PerMethodRecompilationCutoff) { |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7126
diff
changeset
|
477 // TODO (chaeubl) enable this in the fastdebug build only once we are more stable |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7126
diff
changeset
|
478 ResourceMark m; |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7126
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|
479 tty->print_cr("WARN: endless recompilation of %s. Method was set to not compilable.", method()->name_and_sig_as_C_string()); |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7126
diff
changeset
|
480 //ShouldNotReachHere(); |
5d0bb7d52783
changes to support Graal co-existing with the other HotSpot compiler(s) and being used for explicit compilation requests and code installation via the Graal API
Doug Simon <doug.simon@oracle.com>
parents:
7126
diff
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|
481 } |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
482 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
483 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
484 // All buffers in the CodeBuffer are allocated in the CodeCache. |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
485 // If the code buffer is created on each compile attempt |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
486 // as in C2, then it must be freed. |
3664
6e1abd79e7c8
Register assumptions before anything else. Don't free code blob (it is reused).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3661
diff
changeset
|
487 //code_buffer->free_blob(); |
7089
af30115c9d0e
added metering of code installation failure rate to detect excessive failure caused by overly optimistic assumptions
Doug Simon <doug.simon@oracle.com>
parents:
7069
diff
changeset
|
488 return GraalEnv::dependencies_failed; |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
489 } |
7935
0799a7efbe7b
Clean up of usage of marks and code installation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7660
diff
changeset
|
490 ImplicitExceptionTable implicit_tbl; |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
491 nm = nmethod::new_nmethod(method, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
492 compile_id, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
493 entry_bci, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
494 offsets, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
495 orig_pc_offset, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
496 debug_info, dependencies, code_buffer, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
497 frame_words, oop_map_set, |
7935
0799a7efbe7b
Clean up of usage of marks and code installation.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
7660
diff
changeset
|
498 handler_table, &implicit_tbl, |
14172
cd22c8dbda4f
Made graph caching compilation local
Doug Simon <doug.simon@oracle.com>
parents:
14107
diff
changeset
|
499 compiler, comp_level, installed_code, speculation_log); |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
500 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
501 // Free codeBlobs |
3664
6e1abd79e7c8
Register assumptions before anything else. Don't free code blob (it is reused).
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
3661
diff
changeset
|
502 //code_buffer->free_blob(); |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
503 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
504 if (nm == NULL) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
505 // The CodeCache is full. Print out warning and disable compilation. |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
506 { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
507 MutexUnlocker ml(Compile_lock); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
508 MutexUnlocker locker(MethodCompileQueue_lock); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
509 CompileBroker::handle_full_code_cache(); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
510 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
511 } else { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
512 nm->set_has_unsafe_access(has_unsafe_access); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
513 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
514 // Record successful registration. |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
515 // (Put nm into the task handle *before* publishing to the Java heap.) |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
516 if (task != NULL) task->set_code(nm); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
517 |
9668
fe9a18fbb15e
added subclasses for HotSpotInstalledCode: HotSpotNmethod and HotSpotRuntimeStub
Doug Simon <doug.simon@oracle.com>
parents:
9191
diff
changeset
|
518 if (HotSpotNmethod::isDefault(installed_code())) { |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
519 if (entry_bci == InvocationEntryBci) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
520 if (TieredCompilation) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
521 // If there is an old version we're done with it |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
522 nmethod* old = method->code(); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
523 if (TraceMethodReplacement && old != NULL) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
524 ResourceMark rm; |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
525 char *method_name = method->name_and_sig_as_C_string(); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
526 tty->print_cr("Replacing method %s", method_name); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
527 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
528 if (old != NULL ) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
529 old->make_not_entrant(); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
530 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
531 } |
5251
467de393651a
optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents:
5056
diff
changeset
|
532 if (TraceNMethodInstalls) { |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
533 ResourceMark rm; |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
534 char *method_name = method->name_and_sig_as_C_string(); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
535 ttyLocker ttyl; |
5251
467de393651a
optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents:
5056
diff
changeset
|
536 tty->print_cr("Installing method (%d) %s [entry point: %p]", |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
537 comp_level, |
5251
467de393651a
optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
Doug Simon <doug.simon@oracle.com>
parents:
5056
diff
changeset
|
538 method_name, nm->entry_point()); |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
539 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
540 // Allow the code to be executed |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
541 method->set_code(method, nm); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
542 } else { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
543 if (TraceNMethodInstalls ) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
544 ResourceMark rm; |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
545 char *method_name = method->name_and_sig_as_C_string(); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
546 ttyLocker ttyl; |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
547 tty->print_cr("Installing osr method (%d) %s @ %d", |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
548 comp_level, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
549 method_name, |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
550 entry_bci); |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
551 } |
6948
e522a00b91aa
Merge with http://hg.openjdk.java.net/hsx/hsx25/hotspot/ after NPG - C++ build works
Doug Simon <doug.simon@oracle.com>
parents:
6275
diff
changeset
|
552 InstanceKlass::cast(method->method_holder())->add_osr_nmethod(nm); |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
553 |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
554 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
555 } |
10577
9c7d9e2c8326
PTX kernel execution - no args or return value
Morris Meyer <morris.meyer@oracle.com>
parents:
10409
diff
changeset
|
556 |
12743
f1a55428a8d7
more HSAIL support in the C++ layer for executing HSAIL code on the simulator
Doug Simon <doug.simon@oracle.com>
parents:
10577
diff
changeset
|
557 if (TraceGPUInteraction && HotSpotNmethod::isExternal(installed_code())) { |
10577
9c7d9e2c8326
PTX kernel execution - no args or return value
Morris Meyer <morris.meyer@oracle.com>
parents:
10409
diff
changeset
|
558 tty->print_cr("External method:%s", method()->name_and_sig_as_C_string()); |
9c7d9e2c8326
PTX kernel execution - no args or return value
Morris Meyer <morris.meyer@oracle.com>
parents:
10409
diff
changeset
|
559 } |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
560 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
561 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
562 // JVMTI -- compiled method notification (must be done outside lock) |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
563 if (nm != NULL) { |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
564 nm->post_compiled_method_load_event(); |
7089
af30115c9d0e
added metering of code installation failure rate to detect excessive failure caused by overly optimistic assumptions
Doug Simon <doug.simon@oracle.com>
parents:
7069
diff
changeset
|
565 return GraalEnv::ok; |
3635
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
566 } |
cb1181db8bec
Initial port of ciEnv to graalEnv.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
567 |
7089
af30115c9d0e
added metering of code installation failure rate to detect excessive failure caused by overly optimistic assumptions
Doug Simon <doug.simon@oracle.com>
parents:
7069
diff
changeset
|
568 return GraalEnv::cache_full; |
3703
50a1d38cd7ac
Add newlines at the end of files, otherwise my version of gcc complains
Christian Wimmer <christian.wimmer@oracle.com>
parents:
3690
diff
changeset
|
569 } |
50a1d38cd7ac
Add newlines at the end of files, otherwise my version of gcc complains
Christian Wimmer <christian.wimmer@oracle.com>
parents:
3690
diff
changeset
|
570 |