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annotate src/share/vm/jvmci/jvmciCodeInstaller.hpp @ 24224:3aed4cb813f4 jvmci-0.33

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HotSpotResolvedJavaMethodImpl.hasNeverInlineDirective should respect Inline VM flag (JDK-8186235)
author Doug Simon <doug.simon@oracle.com>
date Fri, 18 Aug 2017 22:29:16 +0200
parents 7139570e01c0
children
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1 /*
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2 * Copyright (c) 2011, 2016, 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_CODE_INSTALLER_HPP
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25 #define SHARE_VM_JVMCI_JVMCI_CODE_INSTALLER_HPP
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26
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27 #include "jvmci/jvmciCompiler.hpp"
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28 #include "jvmci/jvmciEnv.hpp"
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29
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30 /*
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31 * This class handles the conversion from a InstalledCode to a CodeBlob or an nmethod.
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32 */
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33 class CodeInstaller : public StackObj {
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34 friend class VMStructs;
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35 private:
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36 enum MarkId {
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37 VERIFIED_ENTRY = 1,
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38 UNVERIFIED_ENTRY = 2,
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39 OSR_ENTRY = 3,
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40 EXCEPTION_HANDLER_ENTRY = 4,
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41 DEOPT_HANDLER_ENTRY = 5,
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42 INVOKEINTERFACE = 6,
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43 INVOKEVIRTUAL = 7,
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44 INVOKESTATIC = 8,
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45 INVOKESPECIAL = 9,
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46 INLINE_INVOKE = 10,
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47 POLL_NEAR = 11,
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48 POLL_RETURN_NEAR = 12,
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49 POLL_FAR = 13,
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50 POLL_RETURN_FAR = 14,
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51 CARD_TABLE_ADDRESS = 15,
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52 CARD_TABLE_SHIFT = 16,
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53 INVOKE_INVALID = -1
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54 };
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55
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56 Arena _arena;
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57
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58 jobject _data_section_handle;
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59 jobject _data_section_patches_handle;
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60 jobject _sites_handle;
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61 CodeOffsets _offsets;
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62
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63 jobject _code_handle;
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64 jint _code_size;
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65 jint _total_frame_size;
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66 jint _orig_pc_offset;
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67 jint _parameter_count;
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68 jint _constants_size;
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69 #ifndef PRODUCT
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70 jobject _comments_handle;
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71 #endif
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72
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73 bool _has_wide_vector;
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74 jobject _word_kind_handle;
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75
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76 MarkId _next_call_type;
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77 address _invoke_mark_pc;
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78
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79 CodeSection* _instructions;
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80 CodeSection* _constants;
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81
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82 OopRecorder* _oop_recorder;
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83 DebugInformationRecorder* _debug_recorder;
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84 Dependencies* _dependencies;
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85 ExceptionHandlerTable _exception_handler_table;
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86
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87 static ConstantOopWriteValue* _oop_null_scope_value;
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88 static ConstantIntValue* _int_m1_scope_value;
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89 static ConstantIntValue* _int_0_scope_value;
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90 static ConstantIntValue* _int_1_scope_value;
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91 static ConstantIntValue* _int_2_scope_value;
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92 static LocationValue* _illegal_value;
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93
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94 jint pd_next_offset(NativeInstruction* inst, jint pc_offset, Handle method, TRAPS);
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95 void pd_patch_OopConstant(int pc_offset, Handle constant, TRAPS);
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96 void pd_patch_MetaspaceConstant(int pc_offset, Handle constant, TRAPS);
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97 void pd_patch_DataSectionReference(int pc_offset, int data_offset, TRAPS);
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98 void pd_relocate_ForeignCall(NativeInstruction* inst, jlong foreign_call_destination, TRAPS);
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99 void pd_relocate_JavaMethod(Handle method, jint pc_offset, TRAPS);
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100 void pd_relocate_poll(address pc, jint mark, TRAPS);
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101
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102 objArrayOop sites() { return (objArrayOop) JNIHandles::resolve(_sites_handle); }
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103 arrayOop code() { return (arrayOop) JNIHandles::resolve(_code_handle); }
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104 arrayOop data_section() { return (arrayOop) JNIHandles::resolve(_data_section_handle); }
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105 objArrayOop data_section_patches() { return (objArrayOop) JNIHandles::resolve(_data_section_patches_handle); }
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106 #ifndef PRODUCT
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107 objArrayOop comments() { return (objArrayOop) JNIHandles::resolve(_comments_handle); }
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108 #endif
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109
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110 oop word_kind() { return (oop) JNIHandles::resolve(_word_kind_handle); }
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111
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112 public:
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113
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114 CodeInstaller() : _arena(mtCompiler) {}
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115 JVMCIEnv::CodeInstallResult install(JVMCICompiler* compiler, Handle target, Handle compiled_code, CodeBlob*& cb, Handle installed_code, Handle speculation_log, TRAPS);
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116
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117 static address runtime_call_target_address(oop runtime_call);
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118 static VMReg get_hotspot_reg(jint jvmciRegisterNumber, TRAPS);
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119 static bool is_general_purpose_reg(VMReg hotspotRegister);
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120
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121 private:
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122 Location::Type get_oop_type(Handle value);
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123 ScopeValue* get_scope_value(Handle value, BasicType type, GrowableArray<ScopeValue*>* objects, ScopeValue* &second, TRAPS);
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124 MonitorValue* get_monitor_value(Handle value, GrowableArray<ScopeValue*>* objects, TRAPS);
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125
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126 void* record_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS);
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127 #ifdef _LP64
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128 narrowKlass record_narrow_metadata_reference(CodeSection* section, address dest, Handle constant, TRAPS);
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129 #endif
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130
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131 // extract the fields of the HotSpotCompiledCode
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132 void initialize_fields(oop target, oop target_method, TRAPS);
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133 void initialize_dependencies(oop target_method, TRAPS);
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134
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135 int estimate_stubs_size(TRAPS);
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136
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137 // perform data and call relocation on the CodeBuffer
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138 JVMCIEnv::CodeInstallResult initialize_buffer(CodeBuffer& buffer, TRAPS);
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139
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140 void assumption_NoFinalizableSubclass(Handle assumption);
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141 void assumption_ConcreteSubtype(Handle assumption);
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142 void assumption_LeafType(Handle assumption);
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143 void assumption_ConcreteMethod(Handle assumption);
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144 void assumption_CallSiteTargetValue(Handle assumption);
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145
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146 void site_Safepoint(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS);
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147 void site_Infopoint(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS);
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148 void site_Call(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS);
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149 void site_DataPatch(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS);
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150 void site_Mark(CodeBuffer& buffer, jint pc_offset, Handle site, TRAPS);
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151 void site_ExceptionHandler(jint pc_offset, Handle site);
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152
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153 OopMap* create_oop_map(Handle debug_info, TRAPS);
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154
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155 /**
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156 * Specifies the level of detail to record for a scope.
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157 */
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158 enum ScopeMode {
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159 // Only record a method and BCI
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160 BytecodePosition,
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161 // Record a method, bci and JVM frame state
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162 FullFrame
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163 };
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164
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165 void record_scope(jint pc_offset, Handle debug_info, ScopeMode scope_mode, bool return_oop, TRAPS);
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166 void record_scope(jint pc_offset, Handle debug_info, ScopeMode scope_mode, TRAPS) {
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167 record_scope(pc_offset, debug_info, scope_mode, false /* return_oop */, THREAD);
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168 }
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169 void record_scope(jint pc_offset, Handle position, ScopeMode scope_mode, GrowableArray<ScopeValue*>* objects, bool return_oop, TRAPS);
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170 void record_object_value(ObjectValue* sv, Handle value, GrowableArray<ScopeValue*>* objects, TRAPS);
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171
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172 GrowableArray<ScopeValue*>* record_virtual_objects(Handle debug_info, TRAPS);
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173
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174 int estimateStubSpace(int static_call_stubs);
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175 };
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176
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177 /**
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178 * Gets the Method metaspace object from a HotSpotResolvedJavaMethodImpl Java object.
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179 */
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180 Method* getMethodFromHotSpotMethod(oop hotspot_method);
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181
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182
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183
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184 #endif // SHARE_VM_JVMCI_JVMCI_CODE_INSTALLER_HPP