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annotate src/share/vm/graal/graalRuntime.hpp @ 16270:d56a09df1a1f

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implemented eager checking of Graal options (GRAAL-807)
author Doug Simon <doug.simon@oracle.com>
date Fri, 27 Jun 2014 19:55:54 +0200
parents 66a9286203a2
children d6ffc6164830
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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_GRAAL_GRAAL_RUNTIME_HPP
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25 #define SHARE_VM_GRAAL_GRAAL_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 GraalRuntime: public CHeapObj<mtCompiler> {
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32 private:
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33
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34 static jobject _HotSpotGraalRuntime_instance;
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35 static address _external_deopt_i2c_entry;
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36
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37 /**
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38 * Reads the OptionValue object from a specified static field.
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39 *
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40 * @throws LinkageError if the field could not be resolved
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41 */
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42 static Handle get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS);
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43
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44 /**
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45 * Parses the string form of a numeric, float or double option into a jlong (using raw bits for floats/doubles).
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46 *
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47 * @param spec 'i', 'f' or 'd' (see HotSpotOptions.setOption())
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48 * @param name option name
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49 * @param name_len length of option name
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50 * @param value string value to parse
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51 * @throws InternalError if value could not be parsed according to spec
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52 */
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53 static jlong parse_primitive_option_value(char spec, const char* name, int name_len, const char* value, TRAPS);
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54
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55 /**
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56 * Loads default option value overrides from a <jre_home>/lib/graal.options if it exists. Each
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57 * line in this file must have the format of a Graal command line option without the
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58 * leading "-G:" prefix. These option values are set prior to processing of any Graal
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59 * options present on the command line.
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60 */
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61 static void parse_graal_options_file(KlassHandle hotSpotOptionsClass, TRAPS);
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62
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63 /**
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64 * Parses a given argument and sets the denoted Graal option.
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65 *
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66 * @throws InternalError if there was a problem parsing or setting the option
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67 */
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68 static void parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS);
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69
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70 /**
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71 * Searches for a Graal option denoted by a given name and sets it value.
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72 *
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73 * The definition of this method is in graalRuntime.inline.hpp
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74 * which is generated by com.oracle.graal.hotspot.sourcegen.GenGraalRuntimeInlineHpp.
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75 *
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76 * @param hotSpotOptionsClass the HotSpotOptions klass or NULL if only checking for valid option
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77 * @param name option name
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78 * @param name_len length of option name
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79 * @returns true if the option was found
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80 * @throws InternalError if there was a problem setting the option's value
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81 */
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82 static bool set_option(KlassHandle hotSpotOptionsClass, char* name, int name_len, const char* value, TRAPS);
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83
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84 /**
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85 * Raises an InternalError for an option that expects a value but was specified without a "=<value>" prefix.
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86 */
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87 static void check_required_value(const char* name, int name_len, const char* value, TRAPS);
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88
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89 /**
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90 * Java call to HotSpotOptions.setOption(String name, OptionValue<?> option, char spec, String stringValue, long primitiveValue)
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91 *
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92 * @param name option name
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93 * @param name_len length of option name
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94 */
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95 static void set_option_helper(KlassHandle hotSpotOptionsClass, char* name, int name_len, Handle option, jchar spec, Handle stringValue, jlong primitiveValue);
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96
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97 /**
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98 * Instantiates a service object, calls its default constructor and returns it.
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99 *
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100 * @param name the name of a class implementing com.oracle.graal.api.runtime.Service
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101 */
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102 static Handle create_Service(const char* name, TRAPS);
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103
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104 public:
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105
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106 static void initialize_natives(JNIEnv *env, jclass c2vmClass);
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107
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108 static bool is_HotSpotGraalRuntime_initialized() { return _HotSpotGraalRuntime_instance != NULL; }
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109
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110 /**
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111 * Gets the singleton HotSpotGraalRuntime instance, initializing it if necessary
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112 */
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113 static Handle get_HotSpotGraalRuntime();
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114
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115 static jobject get_HotSpotGraalRuntime_jobject() {
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116 get_HotSpotGraalRuntime();
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117 return _HotSpotGraalRuntime_instance;
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118 }
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119
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120 static void shutdown();
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121
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122 /**
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123 * Given an interface representing a Graal service (i.e. sub-interface of
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124 * com.oracle.graal.api.runtime.Service), gets an array of objects, one per
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125 * known implementation of the service.
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126 *
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127 * The definition of this method is in graalRuntime.inline.hpp
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128 * which is generated by com.oracle.graal.hotspot.sourcegen.GenGraalRuntimeInlineHpp.
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129 */
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130 static Handle get_service_impls(KlassHandle serviceKlass, TRAPS);
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131
16006
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132 /**
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133 * Aborts the VM due to an unexpected exception.
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134 */
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135 static void abort_on_pending_exception(Handle exception, const char* message, bool dump_core = false);
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136
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137 #define GUARANTEE_NO_PENDING_EXCEPTION(error_message) do { \
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138 if (HAS_PENDING_EXCEPTION) { \
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139 GraalRuntime::abort_on_pending_exception(PENDING_EXCEPTION, error_message); \
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140 } \
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141 } while (0);
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142
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143 static Klass* load_required_class(Symbol* name);
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144
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145 static BufferBlob* initialize_buffer_blob();
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146
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147 /**
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148 * Checks that all Graal specific VM options presented by the launcher are recognized
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149 * and formatted correctly. To set relevant Java fields from the option, parse_arguments()
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150 * must be called. This method makes no Java calls apart from creating exception objects
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151 * if there is an errors in the Graal options.
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152 */
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153 static jint check_arguments(TRAPS);
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154
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155 /**
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156 * Parses the Graal specific VM options that were presented by the launcher and sets
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157 * the relevants Java fields.
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158 */
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159 static bool parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS);
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160
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161 static BasicType kindToBasicType(jchar ch);
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162 static address create_external_deopt_i2c();
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163 static address get_external_deopt_i2c_entry() {return _external_deopt_i2c_entry;}
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164
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165 // The following routines are all called from compiled Graal code
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166
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167 static void new_instance(JavaThread* thread, Klass* klass);
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168 static void new_array(JavaThread* thread, Klass* klass, jint length);
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169 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims);
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170 static void dynamic_new_array(JavaThread* thread, oopDesc* element_mirror, jint length);
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171 static void dynamic_new_instance(JavaThread* thread, oopDesc* type_mirror);
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172 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupted);
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173 static void vm_message(jboolean vmError, jlong format, jlong v1, jlong v2, jlong v3);
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174 static jint identity_hash_code(JavaThread* thread, oopDesc* obj);
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175 static address exception_handler_for_pc(JavaThread* thread);
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176 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock);
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177 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock);
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178 static void create_null_exception(JavaThread* thread);
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179 static void create_out_of_bounds_exception(JavaThread* thread, jint index);
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180 static void vm_error(JavaThread* thread, jlong where, jlong format, jlong value);
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181 static oopDesc* load_and_clear_exception(JavaThread* thread);
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182 static void log_printf(JavaThread* thread, oopDesc* format, jlong v1, jlong v2, jlong v3);
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183 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline);
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184 // Note: Must be kept in sync with constants in com.oracle.graal.replacements.Log
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185 enum {
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186 LOG_OBJECT_NEWLINE = 0x01,
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187 LOG_OBJECT_STRING = 0x02,
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188 LOG_OBJECT_ADDRESS = 0x04
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189 };
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190 static void log_object(JavaThread* thread, oopDesc* msg, jint flags);
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191 static void write_barrier_pre(JavaThread* thread, oopDesc* obj);
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192 static void write_barrier_post(JavaThread* thread, void* card);
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193 static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);
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194 static void new_store_pre_barrier(JavaThread* thread);
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195 };
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196
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197 // Tracing macros
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198
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199 #define IF_TRACE_graal_1 if (!(TraceGraal >= 1)) ; else
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200 #define IF_TRACE_graal_2 if (!(TraceGraal >= 2)) ; else
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201 #define IF_TRACE_graal_3 if (!(TraceGraal >= 3)) ; else
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202 #define IF_TRACE_graal_4 if (!(TraceGraal >= 4)) ; else
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203 #define IF_TRACE_graal_5 if (!(TraceGraal >= 5)) ; else
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204
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205 // using commas and else to keep one-instruction semantics
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206
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207 #define TRACE_graal_1 if (!(TraceGraal >= 1 && (tty->print("TraceGraal-1: "), true))) ; else tty->print_cr
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208 #define TRACE_graal_2 if (!(TraceGraal >= 2 && (tty->print(" TraceGraal-2: "), true))) ; else tty->print_cr
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209 #define TRACE_graal_3 if (!(TraceGraal >= 3 && (tty->print(" TraceGraal-3: "), true))) ; else tty->print_cr
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210 #define TRACE_graal_4 if (!(TraceGraal >= 4 && (tty->print(" TraceGraal-4: "), true))) ; else tty->print_cr
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211 #define TRACE_graal_5 if (!(TraceGraal >= 5 && (tty->print(" TraceGraal-5: "), true))) ; else tty->print_cr
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212
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213 #endif // SHARE_VM_GRAAL_GRAAL_RUNTIME_HPP