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annotate src/share/vm/jvmci/jvmciRuntime.hpp @ 21559:be896a1983c0

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recast all Graal native code as JVMCI code (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Thu, 28 May 2015 15:36:48 +0200
parents src/share/vm/graal/graalRuntime.hpp@07b088d61d5d
children 47bebae7454f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 2012, 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 #ifndef SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP
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25 #define SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP
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26
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27 #include "interpreter/interpreter.hpp"
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28 #include "memory/allocation.hpp"
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29 #include "runtime/deoptimization.hpp"
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30
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31 class JVMCIRuntime: public CHeapObj<mtCompiler> {
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32 private:
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33
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34 static jobject _HotSpotJVMCIRuntime_instance;
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35 static bool _HotSpotJVMCIRuntime_initialized;
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36 static const char* _generated_sources_sha1;
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37
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38 static bool _shutdown_called;
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39
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40 /**
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41 * Reads the OptionValue object from a specified static field.
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42 *
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43 * @throws LinkageError if the field could not be resolved
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44 */
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45 static Handle get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS);
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46
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47 /**
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48 * Parses the string form of a numeric, float or double option into a jlong (using raw bits for floats/doubles).
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49 *
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50 * @param spec 'i', 'f' or 'd' (see HotSpotOptions.setOption())
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51 * @param name option name
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52 * @param name_len length of option name
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53 * @param value string value to parse
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54 * @throws InternalError if value could not be parsed according to spec
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55 */
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56 static jlong parse_primitive_option_value(char spec, const char* name, size_t name_len, const char* value, TRAPS);
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57
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58 /**
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59 * Loads default option value overrides from a <jre_home>/lib/jvmci.options if it exists. Each
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60 * line in this file must have the format of a JVMCI command line option without the
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61 * leading "-G:" prefix. These option values are set prior to processing of any JVMCI
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62 * options present on the command line.
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63 */
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64 static void parse_jvmci_options_file(KlassHandle hotSpotOptionsClass, TRAPS);
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65
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66 /**
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67 * Parses a given argument and sets the denoted JVMCI option.
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68 *
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69 * @throws InternalError if there was a problem parsing or setting the option
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70 */
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71 static void parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS);
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72
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73 /**
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74 * Searches for a Boolean JVMCI option denoted by a given name and sets it value.
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75 *
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76 * The definition of this method is in jvmciRuntime.inline.hpp
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77 * which is generated by com.oracle.jvmci.hotspot.sourcegen.GenJVMCIRuntimeInlineHpp.
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78 *
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79 * @param hotSpotOptionsClass the HotSpotOptions klass or NULL if only checking for valid option
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80 * @param name option name
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81 * @param name_len length of option name
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82 * @param value '+' to set the option, '-' to reset the option
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83 * @returns true if the option was found
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84 * @throws InternalError if there was a problem setting the option's value
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85 */
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86 static bool set_option_bool(KlassHandle hotSpotOptionsClass, char* name, size_t name_len, char value, TRAPS);
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87
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88 /**
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89 * Searches for a JVMCI option denoted by a given name and sets it value.
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90 *
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91 * The definition of this method is in jvmciRuntime.inline.hpp
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92 * which is generated by com.oracle.jvmci.hotspot.sourcegen.GenJVMCIRuntimeInlineHpp.
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93 *
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94 * @param hotSpotOptionsClass the HotSpotOptions klass or NULL if only checking for valid option
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95 * @param name option name
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96 * @param name_len length of option name
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97 * @returns true if the option was found
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98 * @throws InternalError if there was a problem setting the option's value
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99 */
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100 static bool set_option(KlassHandle hotSpotOptionsClass, char* name, size_t name_len, const char* value, TRAPS);
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101
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102 /**
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103 * Raises an InternalError for an option that expects a value but was specified without a "=<value>" prefix.
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104 */
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105 static void check_required_value(const char* name, size_t name_len, const char* value, TRAPS);
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106
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107 /**
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108 * Java call to HotSpotOptions.setOption(String name, OptionValue<?> option, char spec, String stringValue, long primitiveValue)
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109 *
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110 * @param name option name
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111 * @param name_len length of option name
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112 */
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113 static void set_option_helper(KlassHandle hotSpotOptionsClass, char* name, size_t name_len, Handle option, jchar spec, Handle stringValue, jlong primitiveValue);
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114
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115 /**
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116 * Instantiates a service object, calls its default constructor and returns it.
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117 *
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118 * @param name the name of a class implementing com.oracle.jvmci.api.runtime.Service
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119 */
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120 static Handle create_Service(const char* name, TRAPS);
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121
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122 /**
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123 * Checks that _generated_sources_sha1 equals GeneratedSourcesSha1.value.
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124 */
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125 static void check_generated_sources_sha1(TRAPS);
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126
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127 public:
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128
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129 /**
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130 * Ensures that the JVMCI class loader is initialized and the well known JVMCI classes are loaded.
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131 */
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132 static void ensure_jvmci_class_loader_is_initialized();
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133
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134 static void initialize_natives(JNIEnv *env, jclass c2vmClass);
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135
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136 static bool is_HotSpotJVMCIRuntime_initialized() { return _HotSpotJVMCIRuntime_initialized; }
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137
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138 /**
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139 * Gets the singleton HotSpotJVMCIRuntime instance, initializing it if necessary
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140 */
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141 static Handle get_HotSpotJVMCIRuntime() {
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142 initialize_JVMCI();
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143 return Handle(JNIHandles::resolve_non_null(_HotSpotJVMCIRuntime_instance));
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144 }
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145
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146 static jobject get_HotSpotJVMCIRuntime_jobject() {
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147 initialize_JVMCI();
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148 assert(_HotSpotJVMCIRuntime_initialized, "must be");
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149 return _HotSpotJVMCIRuntime_instance;
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150 }
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151
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152 static Handle callInitializer(const char* className, const char* methodName, const char* returnType);
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153
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154 /**
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155 * Trigger initialization of HotSpotJVMCIRuntime through JVMCI.getRuntime()
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156 */
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157 static void initialize_JVMCI();
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158
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159 /**
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160 * Explicitly initialize HotSpotJVMCIRuntime itself
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161 */
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162 static void initialize_HotSpotJVMCIRuntime();
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163
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164 static void shutdown();
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165
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166 static bool shutdown_called() {
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167 return _shutdown_called;
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168 }
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169
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170 /**
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171 * Given an interface representing a JVMCI service (i.e. sub-interface of
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172 * com.oracle.jvmci.api.runtime.Service), gets an array of objects, one per
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173 * known implementation of the service.
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174 *
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175 * The definition of this method is in jvmciRuntime.inline.hpp
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176 * which is generated by com.oracle.jvmci.hotspot.sourcegen.GenJVMCIRuntimeInlineHpp.
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177 */
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178 static Handle get_service_impls(KlassHandle serviceKlass, TRAPS);
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179
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180 /**
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181 * Aborts the VM due to an unexpected exception.
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182 */
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183 static void abort_on_pending_exception(Handle exception, const char* message, bool dump_core = false);
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184
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185 /**
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186 * Calls Throwable.printStackTrace() on a given exception.
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187 */
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188 static void call_printStackTrace(Handle exception, Thread* thread);
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189
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190 #define CHECK_ABORT THREAD); \
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191 if (HAS_PENDING_EXCEPTION) { \
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192 char buf[256]; \
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193 jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
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194 JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
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195 return; \
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196 } \
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197 (void)(0
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198
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199 #define CHECK_ABORT_(result) THREAD); \
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200 if (HAS_PENDING_EXCEPTION) { \
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201 char buf[256]; \
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202 jio_snprintf(buf, 256, "Uncaught exception at %s:%d", __FILE__, __LINE__); \
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203 JVMCIRuntime::abort_on_pending_exception(PENDING_EXCEPTION, buf); \
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204 return result; \
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205 } \
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206 (void)(0
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207
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208 /**
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209 * Same as SystemDictionary::resolve_or_null but uses the JVMCI loader.
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210 */
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211 static Klass* resolve_or_null(Symbol* name, TRAPS);
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212
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213 /**
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214 * Same as SystemDictionary::resolve_or_fail but uses the JVMCI loader.
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215 */
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216 static Klass* resolve_or_fail(Symbol* name, TRAPS);
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217
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218 /**
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219 * Loads a given JVMCI class and aborts the VM if it fails.
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220 */
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221 static Klass* load_required_class(Symbol* name);
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222
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223 static BufferBlob* initialize_buffer_blob();
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224
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225 /**
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226 * Checks that all JVMCI specific VM options presented by the launcher are recognized
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227 * and formatted correctly. To set relevant Java fields from the option, parse_arguments()
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228 * must be called. This method makes no Java calls apart from creating exception objects
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229 * if there is an errors in the JVMCI options.
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230 */
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231 static jint check_arguments(TRAPS);
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232
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233 /**
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234 * Parses the JVMCI specific VM options that were presented by the launcher and sets
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235 * the relevants Java fields.
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236 */
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237 static void parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS);
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238
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239 static BasicType kindToBasicType(jchar ch);
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240
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241 // The following routines are all called from compiled JVMCI code
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242
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243 static void new_instance(JavaThread* thread, Klass* klass);
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244 static void new_array(JavaThread* thread, Klass* klass, jint length);
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245 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims);
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246 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length);
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247 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror);
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248 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted);
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249 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3);
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250 static jint identity_hash_code(JavaThread* thread, oopDesc* obj);
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251 static address exception_handler_for_pc(JavaThread* thread);
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252 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock);
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253 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock);
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254 static void create_null_exception(JavaThread* thread);
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255 static void create_out_of_bounds_exception(JavaThread* thread, jint index);
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256 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value);
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257 static oopDesc* load_and_clear_exception(JavaThread* thread);
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258 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3);
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259 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline);
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260 // Note: Must be kept in sync with constants in com.oracle.jvmci.replacements.Log
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261 enum {
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262 LOG_OBJECT_NEWLINE = 0x01,
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263 LOG_OBJECT_STRING = 0x02,
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264 LOG_OBJECT_ADDRESS = 0x04
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265 };
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266 static void log_object(JavaThread* thread, oopDesc* msg, jint flags);
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267 static void write_barrier_pre(JavaThread* thread, oopDesc* obj);
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268 static void write_barrier_post(JavaThread* thread, void* card);
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269 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);
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270 static void new_store_pre_barrier(JavaThread* thread);
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271
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272 // Test only function
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273 static int test_deoptimize_call_int(JavaThread* thread, int value);
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274 };
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275
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276 // Tracing macros
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277
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278 #define IF_TRACE_jvmci_1 if (!(TraceJVMCI >= 1)) ; else
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279 #define IF_TRACE_jvmci_2 if (!(TraceJVMCI >= 2)) ; else
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280 #define IF_TRACE_jvmci_3 if (!(TraceJVMCI >= 3)) ; else
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281 #define IF_TRACE_jvmci_4 if (!(TraceJVMCI >= 4)) ; else
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282 #define IF_TRACE_jvmci_5 if (!(TraceJVMCI >= 5)) ; else
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283
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284 // using commas and else to keep one-instruction semantics
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285
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286 #define TRACE_jvmci_1 if (!(TraceJVMCI >= 1 && (tty->print("TraceJVMCI-1: "), true))) ; else tty->print_cr
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287 #define TRACE_jvmci_2 if (!(TraceJVMCI >= 2 && (tty->print(" TraceJVMCI-2: "), true))) ; else tty->print_cr
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288 #define TRACE_jvmci_3 if (!(TraceJVMCI >= 3 && (tty->print(" TraceJVMCI-3: "), true))) ; else tty->print_cr
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289 #define TRACE_jvmci_4 if (!(TraceJVMCI >= 4 && (tty->print(" TraceJVMCI-4: "), true))) ; else tty->print_cr
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290 #define TRACE_jvmci_5 if (!(TraceJVMCI >= 5 && (tty->print(" TraceJVMCI-5: "), true))) ; else tty->print_cr
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291
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292 #endif // SHARE_VM_JVMCI_JVMCI_RUNTIME_HPP