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annotate src/share/vm/graal/graalVMToCompiler.cpp @ 15870:fe608a56e3f7

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made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
author Doug Simon <doug.simon@oracle.com>
date Fri, 23 May 2014 19:36:34 +0200
parents 063ec2920d21
children
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1 /*
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2 * Copyright (c) 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 #include "precompiled.hpp"
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25 #include "classfile/systemDictionary.hpp"
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26 #include "graal/graalVMToCompiler.hpp"
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27 #include "runtime/gpu.hpp"
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29 // these are *global* handles
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30 jobject VMToCompiler::_HotSpotGraalRuntime_instance = NULL;
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31 jobject VMToCompiler::_VMToCompiler_instance = NULL;
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32 Klass* VMToCompiler::_VMToCompiler_klass = NULL;
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34 static Klass* loadClass(Symbol* name) {
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35 Klass* klass = SystemDictionary::resolve_or_null(name, SystemDictionary::java_system_loader(), Handle(), Thread::current());
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36 if (klass == NULL) {
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37 tty->print_cr("Could not load class %s", name->as_C_string());
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38 vm_abort(false);
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39 }
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40 return klass;
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41 }
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42
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43 KlassHandle VMToCompiler::VMToCompiler_klass() {
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44 if (_VMToCompiler_klass == NULL) {
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45 TempNewSymbol VMToCompiler = SymbolTable::new_symbol("com/oracle/graal/hotspot/bridge/VMToCompiler", Thread::current());
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46 Klass* result = loadClass(VMToCompiler);
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47 _VMToCompiler_klass = result;
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48 }
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49 return _VMToCompiler_klass;
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50 }
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51
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52 Handle VMToCompiler::create_HotSpotTruffleRuntime() {
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53 Thread* THREAD = Thread::current();
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54 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime", THREAD);
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55 KlassHandle klass = loadClass(name);
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56
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57 TempNewSymbol makeInstance = SymbolTable::new_symbol("makeInstance", THREAD);
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58 TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/graal/truffle/hotspot/HotSpotTruffleRuntime;", THREAD);
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59 JavaValue result(T_OBJECT);
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60 JavaCalls::call_static(&result, klass, makeInstance, sig, THREAD);
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61 check_pending_exception("Couldn't initialize HotSpotTruffleRuntime");
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62 return Handle((oop) result.get_jobject());
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63 }
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64
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65 Handle VMToCompiler::get_HotSpotGraalRuntime() {
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66 if (JNIHandles::resolve(_HotSpotGraalRuntime_instance) == NULL) {
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67 Thread* THREAD = Thread::current();
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68 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", THREAD);
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69 KlassHandle klass = loadClass(name);
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70 TempNewSymbol runtime = SymbolTable::new_symbol("runtime", THREAD);
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71 TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/graal/hotspot/HotSpotGraalRuntime;", THREAD);
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72 JavaValue result(T_OBJECT);
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73 JavaCalls::call_static(&result, klass, runtime, sig, THREAD);
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74 check_pending_exception("Couldn't initialize HotSpotGraalRuntime");
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75 _HotSpotGraalRuntime_instance = JNIHandles::make_global((oop) result.get_jobject());
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76 }
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77 return Handle(JNIHandles::resolve_non_null(_HotSpotGraalRuntime_instance));
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78 }
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79
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80 Handle VMToCompiler::VMToCompiler_instance() {
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81 if (JNIHandles::resolve(_VMToCompiler_instance) == NULL) {
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82 Thread* THREAD = Thread::current();
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83 TempNewSymbol name = SymbolTable::new_symbol("com/oracle/graal/hotspot/HotSpotGraalRuntime", THREAD);
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84 KlassHandle klass = loadClass(name);
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85 TempNewSymbol getVMToCompiler = SymbolTable::new_symbol("getVMToCompiler", THREAD);
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86 TempNewSymbol sig = SymbolTable::new_symbol("()Lcom/oracle/graal/hotspot/bridge/VMToCompiler;", THREAD);
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87 JavaValue result(T_OBJECT);
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88 JavaCallArguments args;
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89 args.set_receiver(get_HotSpotGraalRuntime());
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90 JavaCalls::call_virtual(&result, klass, getVMToCompiler, sig, &args, THREAD);
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91 check_pending_exception("Couldn't get VMToCompiler");
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92 _VMToCompiler_instance = JNIHandles::make_global((oop) result.get_jobject());
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93 }
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94 return Handle(JNIHandles::resolve_non_null(_VMToCompiler_instance));
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95 }
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96
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97 void VMToCompiler::setOption(KlassHandle hotSpotOptionsClass, Handle name, Handle option, jchar spec, Handle stringValue, jlong primitiveValue) {
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98 assert(!option.is_null(), "npe");
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99 Thread* THREAD = Thread::current();
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100 TempNewSymbol setOption = SymbolTable::new_symbol("setOption", THREAD);
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101 TempNewSymbol sig = SymbolTable::new_symbol("(Ljava/lang/String;Lcom/oracle/graal/options/OptionValue;CLjava/lang/String;J)V", THREAD);
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102 JavaValue result(T_VOID);
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103 JavaCallArguments args;
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104 args.push_oop(name());
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105 args.push_oop(option());
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106 args.push_int(spec);
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107 args.push_oop(stringValue());
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108 args.push_long(primitiveValue);
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109 JavaCalls::call_static(&result, hotSpotOptionsClass, setOption, sig, &args, THREAD);
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110 check_pending_exception("Error while calling setOption");
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111 }
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112
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113 #ifdef COMPILERGRAAL
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114 void VMToCompiler::bootstrap() {
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115 JavaThread* THREAD = JavaThread::current();
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116 JavaValue result(T_VOID);
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117 JavaCallArguments args;
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118 TempNewSymbol bootstrap = SymbolTable::new_symbol("bootstrap", THREAD);
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119 args.push_oop(VMToCompiler_instance());
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120 JavaCalls::call_interface(&result, VMToCompiler_klass(), bootstrap, vmSymbols::void_method_signature(), &args, THREAD);
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121 check_pending_exception("Error while calling bootstrap");
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122 }
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123
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124 void VMToCompiler::startCompiler(jboolean bootstrap_enabled) {
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125 JavaThread* THREAD = JavaThread::current();
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126 JavaValue result(T_VOID);
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127 JavaCallArguments args;
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128 TempNewSymbol startCompiler = SymbolTable::new_symbol("startCompiler", THREAD);
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129 args.push_oop(VMToCompiler_instance());
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130 args.push_int(bootstrap_enabled);
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131 JavaCalls::call_interface(&result, VMToCompiler_klass(), startCompiler, vmSymbols::bool_void_signature(), &args, THREAD);
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132 check_pending_exception("Error while calling startCompiler");
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133 }
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134
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135 void VMToCompiler::compileMethod(Method* method, int entry_bci, jlong ctask, jboolean blocking) {
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136 assert(method != NULL, "just checking");
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137 Thread* THREAD = Thread::current();
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138 JavaValue result(T_VOID);
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139 JavaCallArguments args;
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140 args.push_oop(VMToCompiler_instance());
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141 args.push_long((jlong) (address) method);
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142 args.push_int(entry_bci);
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143 args.push_long(ctask);
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144 args.push_int(blocking);
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145 JavaCalls::call_interface(&result, VMToCompiler_klass(), vmSymbols::compileMethod_name(), vmSymbols::compileMethod_signature(), &args, THREAD);
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146 check_pending_exception("Error while calling compileMethod");
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147 }
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148
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149 void VMToCompiler::shutdownCompiler() {
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150 JavaThread* THREAD = JavaThread::current();
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151 HandleMark hm(THREAD);
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152 TempNewSymbol shutdownCompiler = SymbolTable::new_symbol("shutdownCompiler", THREAD);
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153 JavaValue result(T_VOID);
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154 JavaCallArguments args;
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155 args.push_oop(VMToCompiler_instance());
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156 JavaCalls::call_interface(&result, VMToCompiler_klass(), shutdownCompiler, vmSymbols::void_method_signature(), &args, THREAD);
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157 check_pending_exception("Error while calling shutdownCompiler");
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158 }
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159 #endif // COMPILERGRAAL
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160
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161 void VMToCompiler::shutdownRuntime() {
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162 if (_HotSpotGraalRuntime_instance != NULL) {
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163 JavaThread* THREAD = JavaThread::current();
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164 HandleMark hm(THREAD);
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165 TempNewSymbol shutdownRuntime = SymbolTable::new_symbol("shutdownRuntime", THREAD);
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166 JavaValue result(T_VOID);
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167 JavaCallArguments args;
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168 args.push_oop(VMToCompiler_instance());
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169 JavaCalls::call_interface(&result, VMToCompiler_klass(), shutdownRuntime, vmSymbols::void_method_signature(), &args, THREAD);
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170 check_pending_exception("Error while calling shutdownRuntime");
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171
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172 JNIHandles::destroy_global(_HotSpotGraalRuntime_instance);
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173 JNIHandles::destroy_global(_VMToCompiler_instance);
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174
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175 _HotSpotGraalRuntime_instance = NULL;
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176 _VMToCompiler_instance = NULL;
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177 _VMToCompiler_klass = NULL;
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178 }
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179 }
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180
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181 #ifndef PRODUCT
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182 void VMToCompiler::compileTheWorld() {
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183 // We turn off CompileTheWorld so that Graal can
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184 // be compiled by C1/C2 when Graal does a CTW.
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185 CompileTheWorld = false;
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186
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187 JavaThread* THREAD = JavaThread::current();
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188 TempNewSymbol compileTheWorld = SymbolTable::new_symbol("compileTheWorld", THREAD);
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189 JavaValue result(T_VOID);
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190 JavaCallArguments args;
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191 args.push_oop(VMToCompiler_instance());
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192 JavaCalls::call_interface(&result, VMToCompiler_klass(), compileTheWorld, vmSymbols::void_method_signature(), &args, THREAD);
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193 check_pending_exception("Error while calling compileTheWorld");
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194 }
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195 #endif