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annotate src/share/vm/graal/graalRuntime.hpp @ 8506:c3657d00e343

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author Christos Kotselidis <christos.kotselidis@oracle.com>
date Thu, 21 Mar 2013 14:11:13 +0100
parents 86b4965f0c9a 3d41998c30de
children ef97193256d0
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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 "code/stubs.hpp"
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28 #include "interpreter/interpreter.hpp"
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29 #include "memory/allocation.hpp"
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30 #include "runtime/deoptimization.hpp"
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31
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32 // A GraalStubAssembler is a MacroAssembler w/ extra functionality for runtime
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33 // stubs. Currently it 'knows' some stub info. Eventually, the information
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34 // may be set automatically or can be asserted when using specialised
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35 // GraalStubAssembler functions.
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36
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37 class GraalStubAssembler: public MacroAssembler {
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38 private:
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39 const char* _name;
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40 bool _must_gc_arguments;
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41 int _frame_size;
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42 int _num_rt_args;
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43 int _stub_id;
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44
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45 public:
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46
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47 enum {
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48 no_frame_size = -1
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49 };
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50
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51 // creation
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52 GraalStubAssembler(CodeBuffer* code, const char * name, int stub_id);
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53 void set_info(const char* name, bool must_gc_arguments);
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54
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55 void set_frame_size(int size);
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56 void set_num_rt_args(int args);
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57
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58 // accessors
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59 const char* name() const { return _name; }
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60 bool must_gc_arguments() const { return _must_gc_arguments; }
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61 int frame_size() const { return _frame_size; }
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62 int num_rt_args() const { return _num_rt_args; }
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63 int stub_id() const { return _stub_id; }
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64
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65 void verify_stack_oop(int offset) PRODUCT_RETURN;
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66 void verify_not_null_oop(Register r) PRODUCT_RETURN;
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67
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68 // runtime calls (return offset of call to be used by GC map)
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69 int call_RT(Register oop_result1, Register metadata_result, address entry, int args_size = 0);
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70 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1);
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71 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2);
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72 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3);
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73 int call_RT(Register oop_result1, Register metadata_result, address entry, Register arg1, Register arg2, Register arg3, Register arg4);
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74 };
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75
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76 // set frame size and return address offset to these values in blobs
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77 // (if the compiled frame uses ebp as link pointer on IA; otherwise,
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78 // the frame size must be fixed)
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79
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80 // Holds all assembly stubs and VM
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81 // runtime routines needed by code code generated
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82 // by Graal.
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83 #define GRAAL_STUBS(stub, last_entry) \
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84 stub(register_finalizer) \
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85 stub(new_instance) \
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86 stub(new_array) \
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87 stub(new_multi_array) \
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88 stub(handle_exception_nofpu) /* optimized version that does not preserve fpu registers */ \
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89 stub(unwind_exception_call) \
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90 stub(OSR_migration_end) \
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91 stub(arithmetic_frem) \
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92 stub(arithmetic_drem) \
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93 stub(monitorenter) \
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94 stub(monitorexit) \
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95 stub(verify_oop) \
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96 stub(vm_error) \
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97 stub(create_null_pointer_exception) \
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98 stub(create_out_of_bounds_exception) \
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99 stub(log_object) \
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100 stub(log_printf) \
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101 stub(log_primitive) \
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102 stub(identity_hash_code) \
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103 stub(thread_is_interrupted) \
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104 stub(wb_pre_call) \
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105 stub(wb_post_call) \
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106 last_entry(number_of_ids)
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107
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108 #define DECLARE_STUB_ID(x) x ## _id ,
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109 #define DECLARE_LAST_STUB_ID(x) x
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110 #define STUB_NAME(x) #x " GraalRuntime stub",
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111 #define LAST_STUB_NAME(x) #x " GraalRuntime stub"
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112
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113 class GraalRuntime: public AllStatic {
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114 friend class VMStructs;
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115
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116 public:
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117 enum StubID {
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118 GRAAL_STUBS(DECLARE_STUB_ID, DECLARE_LAST_STUB_ID)
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119 };
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120
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121 private:
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122 static CodeBlob* _blobs[number_of_ids];
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123 static const char* _blob_names[];
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124
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125 // stub generation
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126 static void generate_blob_for(BufferBlob* blob, StubID id);
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127 static OopMapSet* generate_code_for(StubID id, GraalStubAssembler* sasm);
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128 static OopMapSet* generate_handle_exception(StubID id, GraalStubAssembler* sasm);
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129 static void generate_unwind_exception(GraalStubAssembler *sasm);
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130
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131 static OopMapSet* generate_stub_call(GraalStubAssembler* sasm, Register result, address entry,
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132 Register arg1 = noreg, Register arg2 = noreg, Register arg3 = noreg);
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133
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134 // runtime entry points
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135 static void new_instance(JavaThread* thread, Klass* klass);
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136 static void new_array(JavaThread* thread, Klass* klass, jint length);
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137 static void new_multi_array(JavaThread* thread, Klass* klass, int rank, jint* dims);
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138
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139 static void unimplemented_entry(JavaThread* thread, StubID id);
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140
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141 static address exception_handler_for_pc(JavaThread* thread);
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142
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143 static void create_null_exception(JavaThread* thread);
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144 static void create_out_of_bounds_exception(JavaThread* thread, jint index);
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145 static void monitorenter(JavaThread* thread, oopDesc* obj, BasicLock* lock);
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146 static void monitorexit (JavaThread* thread, oopDesc* obj, BasicLock* lock);
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147 static void vm_error(JavaThread* thread, oop where, oop format, jlong value);
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148 static void log_printf(JavaThread* thread, oop format, jlong v1, jlong v2, jlong v3);
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149 static void log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline);
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150 static void wb_pre_call(JavaThread* thread, oopDesc* obj);
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151 static void wb_post_call(JavaThread* thread, oopDesc* obj,void* obj);
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152
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153 static jint identity_hash_code(JavaThread* thread, oopDesc* objd);
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154 static jboolean thread_is_interrupted(JavaThread* thread, oopDesc* obj, jboolean clear_interrupte);
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155
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156 // Note: Must be kept in sync with constants in com.oracle.graal.snippets.Log
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157 enum {
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158 LOG_OBJECT_NEWLINE = 0x01,
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159 LOG_OBJECT_STRING = 0x02,
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160 LOG_OBJECT_ADDRESS = 0x04
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161 };
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162 static void log_object(JavaThread* thread, oop msg, jint flags);
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163
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164 public:
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165 // initialization
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166 static void initialize(BufferBlob* blob);
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167
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168 // stubs
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169 static CodeBlob* blob_for (StubID id);
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170 static address entry_for(StubID id) { return blob_for(id)->code_begin(); }
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171 static const char* name_for (StubID id);
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172 static const char* name_for_address(address entry);
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173 };
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174
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175 #endif // SHARE_VM_GRAAL_GRAAL_RUNTIME_HPP