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annotate src/share/vm/interpreter/interpreterRuntime.hpp @ 14420:abe03600372a

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8024468: PPC64 (part 201): cppInterpreter: implement bytecode profiling Summary: Implement profiling for c2 jit compilation. Also enable new cppInterpreter features. Reviewed-by: kvn
author goetz
date Sun, 15 Sep 2013 15:28:58 +0200
parents ca0165daa6ec
children d8041d695d19
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1 /*
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2 * Copyright (c) 1997, 2013, 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
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25 #ifndef SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
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26 #define SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP
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27
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28 #include "interpreter/bytecode.hpp"
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29 #include "interpreter/linkResolver.hpp"
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30 #include "memory/universe.hpp"
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31 #include "oops/method.hpp"
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32 #include "runtime/frame.inline.hpp"
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33 #include "runtime/signature.hpp"
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34 #include "runtime/thread.inline.hpp"
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35 #include "utilities/top.hpp"
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36
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37 // The InterpreterRuntime is called by the interpreter for everything
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38 // that cannot/should not be dealt with in assembly and needs C support.
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39
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40 class InterpreterRuntime: AllStatic {
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41 friend class BytecodeClosure; // for method and bcp
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42 friend class PrintingClosure; // for method and bcp
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43
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44 private:
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45 // Helper functions to access current interpreter state
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46 static frame last_frame(JavaThread *thread) { return thread->last_frame(); }
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47 static Method* method(JavaThread *thread) { return last_frame(thread).interpreter_frame_method(); }
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48 static address bcp(JavaThread *thread) { return last_frame(thread).interpreter_frame_bcp(); }
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49 static int bci(JavaThread *thread) { return last_frame(thread).interpreter_frame_bci(); }
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50 static void set_bcp_and_mdp(address bcp, JavaThread*thread);
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51 static Bytecodes::Code code(JavaThread *thread) {
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52 // pass method to avoid calling unsafe bcp_to_method (partial fix 4926272)
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53 return Bytecodes::code_at(method(thread), bcp(thread));
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54 }
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55 static bool already_resolved(JavaThread *thread) { return cache_entry(thread)->is_resolved(code(thread)); }
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56 static Bytecode bytecode(JavaThread *thread) { return Bytecode(method(thread), bcp(thread)); }
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57 static int get_index_u1(JavaThread *thread, Bytecodes::Code bc)
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58 { return bytecode(thread).get_index_u1(bc); }
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59 static int get_index_u2(JavaThread *thread, Bytecodes::Code bc)
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60 { return bytecode(thread).get_index_u2(bc); }
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61 static int get_index_u2_cpcache(JavaThread *thread, Bytecodes::Code bc)
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62 { return bytecode(thread).get_index_u2_cpcache(bc); }
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63 static int get_index_u4(JavaThread *thread, Bytecodes::Code bc)
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64 { return bytecode(thread).get_index_u4(bc); }
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65 static int number_of_dimensions(JavaThread *thread) { return bcp(thread)[3]; }
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66
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67 static ConstantPoolCacheEntry* cache_entry_at(JavaThread *thread, int i) { return method(thread)->constants()->cache()->entry_at(i); }
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68 static ConstantPoolCacheEntry* cache_entry(JavaThread *thread) { return cache_entry_at(thread, Bytes::get_native_u2(bcp(thread) + 1)); }
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69 static void note_trap_inner(JavaThread* thread, int reason,
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70 methodHandle trap_method, int trap_bci, TRAPS);
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71 static void note_trap(JavaThread *thread, int reason, TRAPS);
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72 #ifdef CC_INTERP
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73 // Profile traps in C++ interpreter.
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74 static void note_trap(JavaThread* thread, int reason, Method *method, int trap_bci);
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75 #endif // CC_INTERP
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76
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77 // Inner work method for Interpreter's frequency counter overflow.
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78 static nmethod* frequency_counter_overflow_inner(JavaThread* thread, address branch_bcp);
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79
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80 public:
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81 // Constants
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82 static void ldc (JavaThread* thread, bool wide);
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83 static void resolve_ldc (JavaThread* thread, Bytecodes::Code bytecode);
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84
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85 // Allocation
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86 static void _new (JavaThread* thread, ConstantPool* pool, int index);
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87 static void newarray (JavaThread* thread, BasicType type, jint size);
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88 static void anewarray (JavaThread* thread, ConstantPool* pool, int index, jint size);
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89 static void multianewarray(JavaThread* thread, jint* first_size_address);
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90 static void register_finalizer(JavaThread* thread, oopDesc* obj);
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91
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92 // Quicken instance-of and check-cast bytecodes
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93 static void quicken_io_cc(JavaThread* thread);
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94
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95 // Exceptions thrown by the interpreter
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96 static void throw_AbstractMethodError(JavaThread* thread);
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97 static void throw_IncompatibleClassChangeError(JavaThread* thread);
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98 static void throw_StackOverflowError(JavaThread* thread);
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99 static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread, char* name, jint index);
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100 static void throw_ClassCastException(JavaThread* thread, oopDesc* obj);
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101 static void create_exception(JavaThread* thread, char* name, char* message);
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102 static void create_klass_exception(JavaThread* thread, char* name, oopDesc* obj);
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103 static address exception_handler_for_exception(JavaThread* thread, oopDesc* exception);
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104 #if INCLUDE_JVMTI
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105 static void member_name_arg_or_null(JavaThread* thread, address dmh, Method* m, address bcp);
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106 #endif
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107 static void throw_pending_exception(JavaThread* thread);
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108
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109 #ifdef CC_INTERP
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110 // Profile traps in C++ interpreter.
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111 static void note_nullCheck_trap (JavaThread* thread, Method *method, int trap_bci);
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112 static void note_div0Check_trap (JavaThread* thread, Method *method, int trap_bci);
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113 static void note_rangeCheck_trap(JavaThread* thread, Method *method, int trap_bci);
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114 static void note_classCheck_trap(JavaThread* thread, Method *method, int trap_bci);
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115 static void note_arrayCheck_trap(JavaThread* thread, Method *method, int trap_bci);
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116 // A dummy for makros that shall not profile traps.
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117 static void note_no_trap(JavaThread* thread, Method *method, int trap_bci) {}
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118 #endif // CC_INTERP
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119
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120 // Statics & fields
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121 static void resolve_get_put(JavaThread* thread, Bytecodes::Code bytecode);
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122
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123 // Synchronization
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124 static void monitorenter(JavaThread* thread, BasicObjectLock* elem);
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125 static void monitorexit (JavaThread* thread, BasicObjectLock* elem);
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126
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127 static void throw_illegal_monitor_state_exception(JavaThread* thread);
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128 static void new_illegal_monitor_state_exception(JavaThread* thread);
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129
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130 // Calls
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131 static void resolve_invoke (JavaThread* thread, Bytecodes::Code bytecode);
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132 static void resolve_invokehandle (JavaThread* thread);
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133 static void resolve_invokedynamic(JavaThread* thread);
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134
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135 // Breakpoints
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136 static void _breakpoint(JavaThread* thread, Method* method, address bcp);
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137 static Bytecodes::Code get_original_bytecode_at(JavaThread* thread, Method* method, address bcp);
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138 static void set_original_bytecode_at(JavaThread* thread, Method* method, address bcp, Bytecodes::Code new_code);
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139 static bool is_breakpoint(JavaThread *thread) { return Bytecodes::code_or_bp_at(bcp(thread)) == Bytecodes::_breakpoint; }
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140
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141 // Safepoints
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142 static void at_safepoint(JavaThread* thread);
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143
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144 // Debugger support
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145 static void post_field_access(JavaThread *thread, oopDesc* obj,
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146 ConstantPoolCacheEntry *cp_entry);
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147 static void post_field_modification(JavaThread *thread, oopDesc* obj,
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148 ConstantPoolCacheEntry *cp_entry, jvalue *value);
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149 static void post_method_entry(JavaThread *thread);
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150 static void post_method_exit (JavaThread *thread);
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151 static int interpreter_contains(address pc);
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152
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153 // Native signature handlers
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154 static void prepare_native_call(JavaThread* thread, Method* method);
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155 static address slow_signature_handler(JavaThread* thread,
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156 Method* method,
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157 intptr_t* from, intptr_t* to);
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158
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159 #if defined(IA32) || defined(AMD64) || defined(ARM)
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160 // Popframe support (only needed on x86, AMD64 and ARM)
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161 static void popframe_move_outgoing_args(JavaThread* thread, void* src_address, void* dest_address);
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162 #endif
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163
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164 // Platform dependent stuff
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165 #ifdef TARGET_ARCH_x86
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166 # include "interpreterRT_x86.hpp"
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167 #endif
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168 #ifdef TARGET_ARCH_sparc
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169 # include "interpreterRT_sparc.hpp"
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170 #endif
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171 #ifdef TARGET_ARCH_zero
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172 # include "interpreterRT_zero.hpp"
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173 #endif
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174 #ifdef TARGET_ARCH_arm
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175 # include "interpreterRT_arm.hpp"
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176 #endif
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177 #ifdef TARGET_ARCH_ppc
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178 # include "interpreterRT_ppc.hpp"
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179 #endif
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180
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181
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182 // Interpreter's frequency counter overflow
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183 static nmethod* frequency_counter_overflow(JavaThread* thread, address branch_bcp);
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184
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185 // Interpreter profiling support
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186 static jint bcp_to_di(Method* method, address cur_bcp);
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187 static void profile_method(JavaThread* thread);
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188 static void update_mdp_for_ret(JavaThread* thread, int bci);
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189 #ifdef ASSERT
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190 static void verify_mdp(Method* method, address bcp, address mdp);
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191 #endif // ASSERT
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192 static MethodCounters* build_method_counters(JavaThread* thread, Method* m);
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193 };
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194
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195
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196 class SignatureHandlerLibrary: public AllStatic {
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197 public:
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198 enum { buffer_size = 1*K }; // the size of the temporary code buffer
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199 enum { blob_size = 32*K }; // the size of a handler code blob.
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200
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201 private:
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202 static BufferBlob* _handler_blob; // the current buffer blob containing the generated handlers
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203 static address _handler; // next available address within _handler_blob;
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204 static GrowableArray<uint64_t>* _fingerprints; // the fingerprint collection
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205 static GrowableArray<address>* _handlers; // the corresponding handlers
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206 static address _buffer; // the temporary code buffer
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207
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208 static address set_handler_blob();
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209 static void initialize();
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210 static address set_handler(CodeBuffer* buffer);
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211 static void pd_set_handler(address handler);
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212
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213 public:
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214 static void add(methodHandle method);
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215 };
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216
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217 #endif // SHARE_VM_INTERPRETER_INTERPRETERRUNTIME_HPP