annotate src/share/vm/ci/ciMethod.cpp @ 24170:0b85ccd62409 jdk8u131-b01

8168699: Validate special case invocations Reviewed-by: kevinw, vlivanov
author coleenp
date Tue, 13 Dec 2016 14:37:04 -0500
parents bf41eee321e5
children 719853999215
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1 /*
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2 * Copyright (c) 1999, 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
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25 #include "precompiled.hpp"
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26 #include "ci/ciCallProfile.hpp"
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27 #include "ci/ciExceptionHandler.hpp"
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28 #include "ci/ciInstanceKlass.hpp"
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29 #include "ci/ciMethod.hpp"
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30 #include "ci/ciMethodBlocks.hpp"
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31 #include "ci/ciMethodData.hpp"
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32 #include "ci/ciStreams.hpp"
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33 #include "ci/ciSymbol.hpp"
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34 #include "ci/ciReplay.hpp"
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35 #include "ci/ciUtilities.hpp"
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36 #include "classfile/systemDictionary.hpp"
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37 #include "compiler/abstractCompiler.hpp"
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38 #include "compiler/compilerOracle.hpp"
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39 #include "compiler/methodLiveness.hpp"
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40 #include "interpreter/interpreter.hpp"
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41 #include "interpreter/linkResolver.hpp"
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42 #include "interpreter/oopMapCache.hpp"
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43 #include "memory/allocation.inline.hpp"
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44 #include "memory/resourceArea.hpp"
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45 #include "oops/generateOopMap.hpp"
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46 #include "oops/oop.inline.hpp"
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47 #include "prims/nativeLookup.hpp"
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48 #include "runtime/deoptimization.hpp"
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49 #include "utilities/bitMap.inline.hpp"
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50 #include "utilities/xmlstream.hpp"
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51 #ifdef COMPILER2
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52 #include "ci/bcEscapeAnalyzer.hpp"
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53 #include "ci/ciTypeFlow.hpp"
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54 #include "oops/method.hpp"
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55 #endif
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56 #ifdef SHARK
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57 #include "ci/ciTypeFlow.hpp"
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58 #include "oops/method.hpp"
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59 #endif
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60
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61 // ciMethod
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62 //
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63 // This class represents a Method* in the HotSpot virtual
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64 // machine.
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65
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66
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67 // ------------------------------------------------------------------
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68 // ciMethod::ciMethod
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69 //
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70 // Loaded method.
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71 ciMethod::ciMethod(methodHandle h_m, ciInstanceKlass* holder) :
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72 ciMetadata(h_m()),
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73 _holder(holder)
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74 {
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75 assert(h_m() != NULL, "no null method");
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76
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77 // These fields are always filled in in loaded methods.
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78 _flags = ciFlags(h_m()->access_flags());
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79
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80 // Easy to compute, so fill them in now.
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81 _max_stack = h_m()->max_stack();
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82 _max_locals = h_m()->max_locals();
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83 _code_size = h_m()->code_size();
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84 _intrinsic_id = h_m()->intrinsic_id();
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85 _handler_count = h_m()->exception_table_length();
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86 _size_of_parameters = h_m()->size_of_parameters();
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87 _uses_monitors = h_m()->access_flags().has_monitor_bytecodes();
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88 _balanced_monitors = !_uses_monitors || h_m()->access_flags().is_monitor_matching();
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89 _is_c1_compilable = !h_m()->is_not_c1_compilable();
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90 _is_c2_compilable = !h_m()->is_not_c2_compilable();
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91 // Lazy fields, filled in on demand. Require allocation.
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92 _code = NULL;
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93 _exception_handlers = NULL;
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94 _liveness = NULL;
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95 _method_blocks = NULL;
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96 #if defined(COMPILER2) || defined(SHARK)
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97 _flow = NULL;
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98 _bcea = NULL;
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99 #endif // COMPILER2 || SHARK
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100
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101 ciEnv *env = CURRENT_ENV;
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102 if (env->jvmti_can_hotswap_or_post_breakpoint() && can_be_compiled()) {
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103 // 6328518 check hotswap conditions under the right lock.
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104 MutexLocker locker(Compile_lock);
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105 if (Dependencies::check_evol_method(h_m()) != NULL) {
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106 _is_c1_compilable = false;
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107 _is_c2_compilable = false;
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108 }
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109 } else {
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110 CHECK_UNHANDLED_OOPS_ONLY(Thread::current()->clear_unhandled_oops());
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111 }
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112
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113 if (h_m()->method_holder()->is_linked()) {
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114 _can_be_statically_bound = h_m()->can_be_statically_bound();
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115 } else {
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116 // Have to use a conservative value in this case.
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117 _can_be_statically_bound = false;
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118 }
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119
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120 // Adjust the definition of this condition to be more useful:
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121 // %%% take these conditions into account in vtable generation
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122 if (!_can_be_statically_bound && h_m()->is_private())
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123 _can_be_statically_bound = true;
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124 if (_can_be_statically_bound && h_m()->is_abstract())
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125 _can_be_statically_bound = false;
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126
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127 // generating _signature may allow GC and therefore move m.
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128 // These fields are always filled in.
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129 _name = env->get_symbol(h_m()->name());
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130 ciSymbol* sig_symbol = env->get_symbol(h_m()->signature());
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131 constantPoolHandle cpool = h_m()->constants();
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132 _signature = new (env->arena()) ciSignature(_holder, cpool, sig_symbol);
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133 _method_data = NULL;
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134 // Take a snapshot of these values, so they will be commensurate with the MDO.
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135 if (ProfileInterpreter || TieredCompilation) {
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136 int invcnt = h_m()->interpreter_invocation_count();
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137 // if the value overflowed report it as max int
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138 _interpreter_invocation_count = invcnt < 0 ? max_jint : invcnt ;
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139 _interpreter_throwout_count = h_m()->interpreter_throwout_count();
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140 } else {
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141 _interpreter_invocation_count = 0;
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142 _interpreter_throwout_count = 0;
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143 }
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144 if (_interpreter_invocation_count == 0)
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145 _interpreter_invocation_count = 1;
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146 _instructions_size = -1;
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147 #ifdef ASSERT
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148 if (ReplayCompiles) {
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149 ciReplay::initialize(this);
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150 }
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151 #endif
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152 }
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153
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154
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155 // ------------------------------------------------------------------
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156 // ciMethod::ciMethod
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157 //
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158 // Unloaded method.
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159 ciMethod::ciMethod(ciInstanceKlass* holder,
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160 ciSymbol* name,
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161 ciSymbol* signature,
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162 ciInstanceKlass* accessor) :
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163 ciMetadata((Metadata*)NULL),
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164 _name( name),
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165 _holder( holder),
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166 _intrinsic_id( vmIntrinsics::_none),
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167 _liveness( NULL),
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168 _can_be_statically_bound(false),
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169 _method_blocks( NULL),
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170 _method_data( NULL)
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171 #if defined(COMPILER2) || defined(SHARK)
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172 ,
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173 _flow( NULL),
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174 _bcea( NULL),
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175 _instructions_size(-1)
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176 #endif // COMPILER2 || SHARK
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177 {
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178 // Usually holder and accessor are the same type but in some cases
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179 // the holder has the wrong class loader (e.g. invokedynamic call
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180 // sites) so we pass the accessor.
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181 _signature = new (CURRENT_ENV->arena()) ciSignature(accessor, constantPoolHandle(), signature);
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182 }
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183
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184
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185 // ------------------------------------------------------------------
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186 // ciMethod::load_code
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187 //
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188 // Load the bytecodes and exception handler table for this method.
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189 void ciMethod::load_code() {
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190 VM_ENTRY_MARK;
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191 assert(is_loaded(), "only loaded methods have code");
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192
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193 Method* me = get_Method();
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194 Arena* arena = CURRENT_THREAD_ENV->arena();
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195
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196 // Load the bytecodes.
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197 _code = (address)arena->Amalloc(code_size());
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198 memcpy(_code, me->code_base(), code_size());
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199
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200 // Revert any breakpoint bytecodes in ci's copy
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201 if (me->number_of_breakpoints() > 0) {
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202 BreakpointInfo* bp = me->method_holder()->breakpoints();
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203 for (; bp != NULL; bp = bp->next()) {
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204 if (bp->match(me)) {
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205 code_at_put(bp->bci(), bp->orig_bytecode());
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206 }
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207 }
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208 }
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209
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210 // And load the exception table.
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211 ExceptionTable exc_table(me);
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212
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213 // Allocate one extra spot in our list of exceptions. This
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214 // last entry will be used to represent the possibility that
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215 // an exception escapes the method. See ciExceptionHandlerStream
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216 // for details.
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217 _exception_handlers =
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218 (ciExceptionHandler**)arena->Amalloc(sizeof(ciExceptionHandler*)
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219 * (_handler_count + 1));
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220 if (_handler_count > 0) {
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221 for (int i=0; i<_handler_count; i++) {
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222 _exception_handlers[i] = new (arena) ciExceptionHandler(
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223 holder(),
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224 /* start */ exc_table.start_pc(i),
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225 /* limit */ exc_table.end_pc(i),
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226 /* goto pc */ exc_table.handler_pc(i),
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227 /* cp index */ exc_table.catch_type_index(i));
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228 }
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229 }
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230
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231 // Put an entry at the end of our list to represent the possibility
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232 // of exceptional exit.
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233 _exception_handlers[_handler_count] =
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234 new (arena) ciExceptionHandler(holder(), 0, code_size(), -1, 0);
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235
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236 if (CIPrintMethodCodes) {
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237 print_codes();
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238 }
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239 }
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240
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241
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242 // ------------------------------------------------------------------
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243 // ciMethod::has_linenumber_table
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244 //
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245 // length unknown until decompression
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246 bool ciMethod::has_linenumber_table() const {
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247 check_is_loaded();
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248 VM_ENTRY_MARK;
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249 return get_Method()->has_linenumber_table();
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250 }
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251
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252
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253 // ------------------------------------------------------------------
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254 // ciMethod::compressed_linenumber_table
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255 u_char* ciMethod::compressed_linenumber_table() const {
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256 check_is_loaded();
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257 VM_ENTRY_MARK;
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258 return get_Method()->compressed_linenumber_table();
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259 }
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260
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261
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262 // ------------------------------------------------------------------
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263 // ciMethod::line_number_from_bci
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264 int ciMethod::line_number_from_bci(int bci) const {
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265 check_is_loaded();
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266 VM_ENTRY_MARK;
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267 return get_Method()->line_number_from_bci(bci);
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268 }
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269
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270
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271 // ------------------------------------------------------------------
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272 // ciMethod::vtable_index
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273 //
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274 // Get the position of this method's entry in the vtable, if any.
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275 int ciMethod::vtable_index() {
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276 check_is_loaded();
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277 assert(holder()->is_linked(), "must be linked");
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278 VM_ENTRY_MARK;
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279 return get_Method()->vtable_index();
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280 }
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281
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282
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283 #ifdef SHARK
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284 // ------------------------------------------------------------------
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285 // ciMethod::itable_index
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286 //
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287 // Get the position of this method's entry in the itable, if any.
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288 int ciMethod::itable_index() {
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289 check_is_loaded();
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290 assert(holder()->is_linked(), "must be linked");
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291 VM_ENTRY_MARK;
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292 Method* m = get_Method();
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293 if (!m->has_itable_index())
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294 return Method::nonvirtual_vtable_index;
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295 return m->itable_index();
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296 }
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297 #endif // SHARK
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298
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299
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300 // ------------------------------------------------------------------
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301 // ciMethod::native_entry
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302 //
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303 // Get the address of this method's native code, if any.
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304 address ciMethod::native_entry() {
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305 check_is_loaded();
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306 assert(flags().is_native(), "must be native method");
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307 VM_ENTRY_MARK;
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308 Method* method = get_Method();
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309 address entry = method->native_function();
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310 assert(entry != NULL, "must be valid entry point");
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311 return entry;
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312 }
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313
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314
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315 // ------------------------------------------------------------------
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316 // ciMethod::interpreter_entry
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317 //
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318 // Get the entry point for running this method in the interpreter.
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319 address ciMethod::interpreter_entry() {
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320 check_is_loaded();
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321 VM_ENTRY_MARK;
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322 methodHandle mh(THREAD, get_Method());
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323 return Interpreter::entry_for_method(mh);
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324 }
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325
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326
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327 // ------------------------------------------------------------------
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328 // ciMethod::uses_balanced_monitors
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329 //
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330 // Does this method use monitors in a strict stack-disciplined manner?
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331 bool ciMethod::has_balanced_monitors() {
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332 check_is_loaded();
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333 if (_balanced_monitors) return true;
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334
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335 // Analyze the method to see if monitors are used properly.
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336 VM_ENTRY_MARK;
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337 methodHandle method(THREAD, get_Method());
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338 assert(method->has_monitor_bytecodes(), "should have checked this");
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339
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340 // Check to see if a previous compilation computed the
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341 // monitor-matching analysis.
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342 if (method->guaranteed_monitor_matching()) {
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343 _balanced_monitors = true;
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344 return true;
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345 }
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346
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347 {
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348 EXCEPTION_MARK;
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349 ResourceMark rm(THREAD);
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350 GeneratePairingInfo gpi(method);
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351 gpi.compute_map(CATCH);
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352 if (!gpi.monitor_safe()) {
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353 return false;
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354 }
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355 method->set_guaranteed_monitor_matching();
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356 _balanced_monitors = true;
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357 }
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358 return true;
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359 }
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360
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361
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362 // ------------------------------------------------------------------
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363 // ciMethod::get_flow_analysis
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364 ciTypeFlow* ciMethod::get_flow_analysis() {
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365 #if defined(COMPILER2) || defined(SHARK)
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366 if (_flow == NULL) {
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367 ciEnv* env = CURRENT_ENV;
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368 _flow = new (env->arena()) ciTypeFlow(env, this);
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369 _flow->do_flow();
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370 }
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371 return _flow;
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372 #else // COMPILER2 || SHARK
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373 ShouldNotReachHere();
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374 return NULL;
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375 #endif // COMPILER2 || SHARK
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376 }
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377
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378
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379 // ------------------------------------------------------------------
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380 // ciMethod::get_osr_flow_analysis
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381 ciTypeFlow* ciMethod::get_osr_flow_analysis(int osr_bci) {
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382 #if defined(COMPILER2) || defined(SHARK)
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383 // OSR entry points are always place after a call bytecode of some sort
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384 assert(osr_bci >= 0, "must supply valid OSR entry point");
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385 ciEnv* env = CURRENT_ENV;
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386 ciTypeFlow* flow = new (env->arena()) ciTypeFlow(env, this, osr_bci);
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387 flow->do_flow();
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388 return flow;
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389 #else // COMPILER2 || SHARK
0
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diff changeset
390 ShouldNotReachHere();
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parents:
diff changeset
391 return NULL;
1692
d2ede61b7a12 6976186: integrate Shark HotSpot changes
twisti
parents: 1662
diff changeset
392 #endif // COMPILER2 || SHARK
0
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parents:
diff changeset
393 }
a61af66fc99e Initial load
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parents:
diff changeset
394
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parents:
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395 // ------------------------------------------------------------------
991
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
396 // ciMethod::raw_liveness_at_bci
0
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parents:
diff changeset
397 //
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parents:
diff changeset
398 // Which local variables are live at a specific bci?
991
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
399 MethodLivenessResult ciMethod::raw_liveness_at_bci(int bci) {
0
a61af66fc99e Initial load
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parents:
diff changeset
400 check_is_loaded();
a61af66fc99e Initial load
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parents:
diff changeset
401 if (_liveness == NULL) {
a61af66fc99e Initial load
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parents:
diff changeset
402 // Create the liveness analyzer.
a61af66fc99e Initial load
duke
parents:
diff changeset
403 Arena* arena = CURRENT_ENV->arena();
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duke
parents:
diff changeset
404 _liveness = new (arena) MethodLiveness(arena, this);
a61af66fc99e Initial load
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parents:
diff changeset
405 _liveness->compute_liveness();
a61af66fc99e Initial load
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parents:
diff changeset
406 }
991
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
407 return _liveness->get_liveness_at(bci);
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
408 }
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
409
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
410 // ------------------------------------------------------------------
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
411 // ciMethod::liveness_at_bci
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
412 //
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
413 // Which local variables are live at a specific bci? When debugging
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
414 // will return true for all locals in some cases to improve debug
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
415 // information.
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
416 MethodLivenessResult ciMethod::liveness_at_bci(int bci) {
3a2aa26bdc58 6854812: 6.0_14-b08 crashes with a SIGSEGV
never
parents: 780
diff changeset
417 MethodLivenessResult result = raw_liveness_at_bci(bci);
780
c96bf21b756f 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits
kvn
parents: 710
diff changeset
418 if (CURRENT_ENV->jvmti_can_access_local_variables() || DeoptimizeALot || CompileTheWorld) {
0
a61af66fc99e Initial load
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parents:
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419 // Keep all locals live for the user's edification and amusement.
a61af66fc99e Initial load
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parents:
diff changeset
420 result.at_put_range(0, result.size(), true);
a61af66fc99e Initial load
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parents:
diff changeset
421 }
a61af66fc99e Initial load
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parents:
diff changeset
422 return result;
a61af66fc99e Initial load
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parents:
diff changeset
423 }
a61af66fc99e Initial load
duke
parents:
diff changeset
424
a61af66fc99e Initial load
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parents:
diff changeset
425 // ciMethod::live_local_oops_at_bci
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parents:
diff changeset
426 //
a61af66fc99e Initial load
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parents:
diff changeset
427 // find all the live oops in the locals array for a particular bci
a61af66fc99e Initial load
duke
parents:
diff changeset
428 // Compute what the interpreter believes by using the interpreter
a61af66fc99e Initial load
duke
parents:
diff changeset
429 // oopmap generator. This is used as a double check during osr to
a61af66fc99e Initial load
duke
parents:
diff changeset
430 // guard against conservative result from MethodLiveness making us
a61af66fc99e Initial load
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parents:
diff changeset
431 // think a dead oop is live. MethodLiveness is conservative in the
a61af66fc99e Initial load
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parents:
diff changeset
432 // sense that it may consider locals to be live which cannot be live,
a61af66fc99e Initial load
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parents:
diff changeset
433 // like in the case where a local could contain an oop or a primitive
a61af66fc99e Initial load
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parents:
diff changeset
434 // along different paths. In that case the local must be dead when
a61af66fc99e Initial load
duke
parents:
diff changeset
435 // those paths merge. Since the interpreter's viewpoint is used when
a61af66fc99e Initial load
duke
parents:
diff changeset
436 // gc'ing an interpreter frame we need to use its viewpoint during
a61af66fc99e Initial load
duke
parents:
diff changeset
437 // OSR when loading the locals.
a61af66fc99e Initial load
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parents:
diff changeset
438
a61af66fc99e Initial load
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parents:
diff changeset
439 BitMap ciMethod::live_local_oops_at_bci(int bci) {
a61af66fc99e Initial load
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parents:
diff changeset
440 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
441 InterpreterOopMap mask;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
442 OopMapCache::compute_one_oop_map(get_Method(), bci, &mask);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
443 int mask_size = max_locals();
a61af66fc99e Initial load
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parents:
diff changeset
444 BitMap result(mask_size);
a61af66fc99e Initial load
duke
parents:
diff changeset
445 result.clear();
a61af66fc99e Initial load
duke
parents:
diff changeset
446 int i;
a61af66fc99e Initial load
duke
parents:
diff changeset
447 for (i = 0; i < mask_size ; i++ ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
448 if (mask.is_oop(i)) result.set_bit(i);
a61af66fc99e Initial load
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parents:
diff changeset
449 }
a61af66fc99e Initial load
duke
parents:
diff changeset
450 return result;
a61af66fc99e Initial load
duke
parents:
diff changeset
451 }
a61af66fc99e Initial load
duke
parents:
diff changeset
452
a61af66fc99e Initial load
duke
parents:
diff changeset
453
a61af66fc99e Initial load
duke
parents:
diff changeset
454 #ifdef COMPILER1
a61af66fc99e Initial load
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parents:
diff changeset
455 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
456 // ciMethod::bci_block_start
a61af66fc99e Initial load
duke
parents:
diff changeset
457 //
a61af66fc99e Initial load
duke
parents:
diff changeset
458 // Marks all bcis where a new basic block starts
a61af66fc99e Initial load
duke
parents:
diff changeset
459 const BitMap ciMethod::bci_block_start() {
a61af66fc99e Initial load
duke
parents:
diff changeset
460 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
461 if (_liveness == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
462 // Create the liveness analyzer.
a61af66fc99e Initial load
duke
parents:
diff changeset
463 Arena* arena = CURRENT_ENV->arena();
a61af66fc99e Initial load
duke
parents:
diff changeset
464 _liveness = new (arena) MethodLiveness(arena, this);
a61af66fc99e Initial load
duke
parents:
diff changeset
465 _liveness->compute_liveness();
a61af66fc99e Initial load
duke
parents:
diff changeset
466 }
a61af66fc99e Initial load
duke
parents:
diff changeset
467
a61af66fc99e Initial load
duke
parents:
diff changeset
468 return _liveness->get_bci_block_start();
a61af66fc99e Initial load
duke
parents:
diff changeset
469 }
a61af66fc99e Initial load
duke
parents:
diff changeset
470 #endif // COMPILER1
a61af66fc99e Initial load
duke
parents:
diff changeset
471
a61af66fc99e Initial load
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parents:
diff changeset
472
a61af66fc99e Initial load
duke
parents:
diff changeset
473 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
474 // ciMethod::call_profile_at_bci
a61af66fc99e Initial load
duke
parents:
diff changeset
475 //
a61af66fc99e Initial load
duke
parents:
diff changeset
476 // Get the ciCallProfile for the invocation of this method.
a61af66fc99e Initial load
duke
parents:
diff changeset
477 // Also reports receiver types for non-call type checks (if TypeProfileCasts).
a61af66fc99e Initial load
duke
parents:
diff changeset
478 ciCallProfile ciMethod::call_profile_at_bci(int bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
479 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
480 ciCallProfile result;
a61af66fc99e Initial load
duke
parents:
diff changeset
481 if (method_data() != NULL && method_data()->is_mature()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
482 ciProfileData* data = method_data()->bci_to_data(bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
483 if (data != NULL && data->is_CounterData()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
484 // Every profiled call site has a counter.
a61af66fc99e Initial load
duke
parents:
diff changeset
485 int count = data->as_CounterData()->count();
a61af66fc99e Initial load
duke
parents:
diff changeset
486
a61af66fc99e Initial load
duke
parents:
diff changeset
487 if (!data->is_ReceiverTypeData()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
488 result._receiver_count[0] = 0; // that's a definite zero
a61af66fc99e Initial load
duke
parents:
diff changeset
489 } else { // ReceiverTypeData is a subclass of CounterData
a61af66fc99e Initial load
duke
parents:
diff changeset
490 ciReceiverTypeData* call = (ciReceiverTypeData*)data->as_ReceiverTypeData();
a61af66fc99e Initial load
duke
parents:
diff changeset
491 // In addition, virtual call sites have receiver type information
a61af66fc99e Initial load
duke
parents:
diff changeset
492 int receivers_count_total = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
493 int morphism = 0;
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
494 // Precompute morphism for the possible fixup
0
a61af66fc99e Initial load
duke
parents:
diff changeset
495 for (uint i = 0; i < call->row_limit(); i++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
496 ciKlass* receiver = call->receiver(i);
a61af66fc99e Initial load
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parents:
diff changeset
497 if (receiver == NULL) continue;
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
498 morphism++;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
499 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
500 int epsilon = 0;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
501 if (TieredCompilation && ProfileInterpreter) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
502 // Interpreter and C1 treat final and special invokes differently.
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
503 // C1 will record a type, whereas the interpreter will just
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
504 // increment the count. Detect this case.
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
505 if (morphism == 1 && count > 0) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
506 epsilon = count;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
507 count = 0;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
508 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
509 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
510 for (uint i = 0; i < call->row_limit(); i++) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
511 ciKlass* receiver = call->receiver(i);
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
512 if (receiver == NULL) continue;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
513 int rcount = call->receiver_count(i) + epsilon;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
514 if (rcount == 0) rcount = 1; // Should be valid value
a61af66fc99e Initial load
duke
parents:
diff changeset
515 receivers_count_total += rcount;
a61af66fc99e Initial load
duke
parents:
diff changeset
516 // Add the receiver to result data.
a61af66fc99e Initial load
duke
parents:
diff changeset
517 result.add_receiver(receiver, rcount);
a61af66fc99e Initial load
duke
parents:
diff changeset
518 // If we extend profiling to record methods,
a61af66fc99e Initial load
duke
parents:
diff changeset
519 // we will set result._method also.
a61af66fc99e Initial load
duke
parents:
diff changeset
520 }
a61af66fc99e Initial load
duke
parents:
diff changeset
521 // Determine call site's morphism.
1206
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
522 // The call site count is 0 with known morphism (onlt 1 or 2 receivers)
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
523 // or < 0 in the case of a type check failured for checkcast, aastore, instanceof.
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
524 // The call site count is > 0 in the case of a polymorphic virtual call.
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
525 if (morphism > 0 && morphism == result._limit) {
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
526 // The morphism <= MorphismLimit.
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
527 if ((morphism < ciCallProfile::MorphismLimit) ||
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
528 (morphism == ciCallProfile::MorphismLimit && count == 0)) {
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
529 #ifdef ASSERT
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
530 if (count > 0) {
1251
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 1206
diff changeset
531 this->print_short_name(tty);
576e77447e3c 6923002: assert(false,"this call site should not be polymorphic")
kvn
parents: 1206
diff changeset
532 tty->print_cr(" @ bci:%d", bci);
1206
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
533 this->print_codes();
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
534 assert(false, "this call site should not be polymorphic");
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
535 }
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
536 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
537 result._morphism = morphism;
a61af66fc99e Initial load
duke
parents:
diff changeset
538 }
a61af66fc99e Initial load
duke
parents:
diff changeset
539 }
a61af66fc99e Initial load
duke
parents:
diff changeset
540 // Make the count consistent if this is a call profile. If count is
a61af66fc99e Initial load
duke
parents:
diff changeset
541 // zero or less, presume that this is a typecheck profile and
a61af66fc99e Initial load
duke
parents:
diff changeset
542 // do nothing. Otherwise, increase count to be the sum of all
a61af66fc99e Initial load
duke
parents:
diff changeset
543 // receiver's counts.
1206
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
544 if (count >= 0) {
87684f1a88b5 6614597: Performance variability in jvm2008 xml.validation
kvn
parents: 1152
diff changeset
545 count += receivers_count_total;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
546 }
a61af66fc99e Initial load
duke
parents:
diff changeset
547 }
a61af66fc99e Initial load
duke
parents:
diff changeset
548 result._count = count;
a61af66fc99e Initial load
duke
parents:
diff changeset
549 }
a61af66fc99e Initial load
duke
parents:
diff changeset
550 }
a61af66fc99e Initial load
duke
parents:
diff changeset
551 return result;
a61af66fc99e Initial load
duke
parents:
diff changeset
552 }
a61af66fc99e Initial load
duke
parents:
diff changeset
553
a61af66fc99e Initial load
duke
parents:
diff changeset
554 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
555 // Add new receiver and sort data by receiver's profile count.
a61af66fc99e Initial load
duke
parents:
diff changeset
556 void ciCallProfile::add_receiver(ciKlass* receiver, int receiver_count) {
a61af66fc99e Initial load
duke
parents:
diff changeset
557 // Add new receiver and sort data by receiver's counts when we have space
a61af66fc99e Initial load
duke
parents:
diff changeset
558 // for it otherwise replace the less called receiver (less called receiver
a61af66fc99e Initial load
duke
parents:
diff changeset
559 // is placed to the last array element which is not used).
a61af66fc99e Initial load
duke
parents:
diff changeset
560 // First array's element contains most called receiver.
a61af66fc99e Initial load
duke
parents:
diff changeset
561 int i = _limit;
a61af66fc99e Initial load
duke
parents:
diff changeset
562 for (; i > 0 && receiver_count > _receiver_count[i-1]; i--) {
a61af66fc99e Initial load
duke
parents:
diff changeset
563 _receiver[i] = _receiver[i-1];
a61af66fc99e Initial load
duke
parents:
diff changeset
564 _receiver_count[i] = _receiver_count[i-1];
a61af66fc99e Initial load
duke
parents:
diff changeset
565 }
a61af66fc99e Initial load
duke
parents:
diff changeset
566 _receiver[i] = receiver;
a61af66fc99e Initial load
duke
parents:
diff changeset
567 _receiver_count[i] = receiver_count;
a61af66fc99e Initial load
duke
parents:
diff changeset
568 if (_limit < MorphismLimit) _limit++;
a61af66fc99e Initial load
duke
parents:
diff changeset
569 }
a61af66fc99e Initial load
duke
parents:
diff changeset
570
12966
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
571
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
572 void ciMethod::assert_virtual_call_type_ok(int bci) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
573 assert(java_code_at_bci(bci) == Bytecodes::_invokevirtual ||
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
574 java_code_at_bci(bci) == Bytecodes::_invokeinterface, err_msg("unexpected bytecode %s", Bytecodes::name(java_code_at_bci(bci))));
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
575 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
576
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
577 void ciMethod::assert_call_type_ok(int bci) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
578 assert(java_code_at_bci(bci) == Bytecodes::_invokestatic ||
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
579 java_code_at_bci(bci) == Bytecodes::_invokespecial ||
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
580 java_code_at_bci(bci) == Bytecodes::_invokedynamic, err_msg("unexpected bytecode %s", Bytecodes::name(java_code_at_bci(bci))));
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
581 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
582
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
583 /**
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
584 * Check whether profiling provides a type for the argument i to the
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
585 * call at bci bci
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
586 *
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
587 * @param bci bci of the call
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
588 * @param i argument number
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
589 * @return profiled type
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
590 *
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
591 * If the profile reports that the argument may be null, return false
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
592 * at least for now.
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
593 */
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
594 ciKlass* ciMethod::argument_profiled_type(int bci, int i) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
595 if (MethodData::profile_parameters() && method_data() != NULL && method_data()->is_mature()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
596 ciProfileData* data = method_data()->bci_to_data(bci);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
597 if (data != NULL) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
598 if (data->is_VirtualCallTypeData()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
599 assert_virtual_call_type_ok(bci);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
600 ciVirtualCallTypeData* call = (ciVirtualCallTypeData*)data->as_VirtualCallTypeData();
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
601 if (i >= call->number_of_arguments()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
602 return NULL;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
603 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
604 ciKlass* type = call->valid_argument_type(i);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
605 if (type != NULL && !call->argument_maybe_null(i)) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
606 return type;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
607 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
608 } else if (data->is_CallTypeData()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
609 assert_call_type_ok(bci);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
610 ciCallTypeData* call = (ciCallTypeData*)data->as_CallTypeData();
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
611 if (i >= call->number_of_arguments()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
612 return NULL;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
613 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
614 ciKlass* type = call->valid_argument_type(i);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
615 if (type != NULL && !call->argument_maybe_null(i)) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
616 return type;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
617 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
618 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
619 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
620 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
621 return NULL;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
622 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
623
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
624 /**
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
625 * Check whether profiling provides a type for the return value from
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
626 * the call at bci bci
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
627 *
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
628 * @param bci bci of the call
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
629 * @return profiled type
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
630 *
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
631 * If the profile reports that the argument may be null, return false
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
632 * at least for now.
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
633 */
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
634 ciKlass* ciMethod::return_profiled_type(int bci) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
635 if (MethodData::profile_return() && method_data() != NULL && method_data()->is_mature()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
636 ciProfileData* data = method_data()->bci_to_data(bci);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
637 if (data != NULL) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
638 if (data->is_VirtualCallTypeData()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
639 assert_virtual_call_type_ok(bci);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
640 ciVirtualCallTypeData* call = (ciVirtualCallTypeData*)data->as_VirtualCallTypeData();
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
641 ciKlass* type = call->valid_return_type();
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
642 if (type != NULL && !call->return_maybe_null()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
643 return type;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
644 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
645 } else if (data->is_CallTypeData()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
646 assert_call_type_ok(bci);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
647 ciCallTypeData* call = (ciCallTypeData*)data->as_CallTypeData();
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
648 ciKlass* type = call->valid_return_type();
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
649 if (type != NULL && !call->return_maybe_null()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
650 return type;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
651 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
652 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
653 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
654 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
655 return NULL;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
656 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
657
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
658 /**
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
659 * Check whether profiling provides a type for the parameter i
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
660 *
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
661 * @param i parameter number
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
662 * @return profiled type
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
663 *
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
664 * If the profile reports that the argument may be null, return false
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
665 * at least for now.
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
666 */
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
667 ciKlass* ciMethod::parameter_profiled_type(int i) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
668 if (MethodData::profile_parameters() && method_data() != NULL && method_data()->is_mature()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
669 ciParametersTypeData* parameters = method_data()->parameters_type_data();
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
670 if (parameters != NULL && i < parameters->number_of_parameters()) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
671 ciKlass* type = parameters->valid_parameter_type(i);
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
672 if (type != NULL && !parameters->parameter_maybe_null(i)) {
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
673 return type;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
674 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
675 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
676 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
677 return NULL;
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
678 }
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
679
b2ee5dc63353 8024070: C2 needs some form of type speculation
roland
parents: 12868
diff changeset
680
0
a61af66fc99e Initial load
duke
parents:
diff changeset
681 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
682 // ciMethod::find_monomorphic_target
a61af66fc99e Initial load
duke
parents:
diff changeset
683 //
a61af66fc99e Initial load
duke
parents:
diff changeset
684 // Given a certain calling environment, find the monomorphic target
a61af66fc99e Initial load
duke
parents:
diff changeset
685 // for the call. Return NULL if the call is not monomorphic in
a61af66fc99e Initial load
duke
parents:
diff changeset
686 // its calling environment, or if there are only abstract methods.
a61af66fc99e Initial load
duke
parents:
diff changeset
687 // The returned method is never abstract.
a61af66fc99e Initial load
duke
parents:
diff changeset
688 // Note: If caller uses a non-null result, it must inform dependencies
a61af66fc99e Initial load
duke
parents:
diff changeset
689 // via assert_unique_concrete_method or assert_leaf_type.
a61af66fc99e Initial load
duke
parents:
diff changeset
690 ciMethod* ciMethod::find_monomorphic_target(ciInstanceKlass* caller,
a61af66fc99e Initial load
duke
parents:
diff changeset
691 ciInstanceKlass* callee_holder,
22988
99edc344d77c 8062280: C2: inlining failure due to access checks being too strict
vlivanov
parents: 22985
diff changeset
692 ciInstanceKlass* actual_recv,
99edc344d77c 8062280: C2: inlining failure due to access checks being too strict
vlivanov
parents: 22985
diff changeset
693 bool check_access) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
694 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
695
a61af66fc99e Initial load
duke
parents:
diff changeset
696 if (actual_recv->is_interface()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
697 // %%% We cannot trust interface types, yet. See bug 6312651.
a61af66fc99e Initial load
duke
parents:
diff changeset
698 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
699 }
a61af66fc99e Initial load
duke
parents:
diff changeset
700
22988
99edc344d77c 8062280: C2: inlining failure due to access checks being too strict
vlivanov
parents: 22985
diff changeset
701 ciMethod* root_m = resolve_invoke(caller, actual_recv, check_access);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
702 if (root_m == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
703 // Something went wrong looking up the actual receiver method.
a61af66fc99e Initial load
duke
parents:
diff changeset
704 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
705 }
a61af66fc99e Initial load
duke
parents:
diff changeset
706 assert(!root_m->is_abstract(), "resolve_invoke promise");
a61af66fc99e Initial load
duke
parents:
diff changeset
707
a61af66fc99e Initial load
duke
parents:
diff changeset
708 // Make certain quick checks even if UseCHA is false.
a61af66fc99e Initial load
duke
parents:
diff changeset
709
a61af66fc99e Initial load
duke
parents:
diff changeset
710 // Is it private or final?
a61af66fc99e Initial load
duke
parents:
diff changeset
711 if (root_m->can_be_statically_bound()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
712 return root_m;
a61af66fc99e Initial load
duke
parents:
diff changeset
713 }
a61af66fc99e Initial load
duke
parents:
diff changeset
714
a61af66fc99e Initial load
duke
parents:
diff changeset
715 if (actual_recv->is_leaf_type() && actual_recv == root_m->holder()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
716 // Easy case. There is no other place to put a method, so don't bother
a61af66fc99e Initial load
duke
parents:
diff changeset
717 // to go through the VM_ENTRY_MARK and all the rest.
a61af66fc99e Initial load
duke
parents:
diff changeset
718 return root_m;
a61af66fc99e Initial load
duke
parents:
diff changeset
719 }
a61af66fc99e Initial load
duke
parents:
diff changeset
720
a61af66fc99e Initial load
duke
parents:
diff changeset
721 // Array methods (clone, hashCode, etc.) are always statically bound.
a61af66fc99e Initial load
duke
parents:
diff changeset
722 // If we were to see an array type here, we'd return root_m.
a61af66fc99e Initial load
duke
parents:
diff changeset
723 // However, this method processes only ciInstanceKlasses. (See 4962591.)
a61af66fc99e Initial load
duke
parents:
diff changeset
724 // The inline_native_clone intrinsic narrows Object to T[] properly,
a61af66fc99e Initial load
duke
parents:
diff changeset
725 // so there is no need to do the same job here.
a61af66fc99e Initial load
duke
parents:
diff changeset
726
a61af66fc99e Initial load
duke
parents:
diff changeset
727 if (!UseCHA) return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
728
a61af66fc99e Initial load
duke
parents:
diff changeset
729 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
730
17521
e46f2ee62e78 8036100: Default method returns true for a while, and then returns false
vlivanov
parents: 12966
diff changeset
731 // Disable CHA for default methods for now
e46f2ee62e78 8036100: Default method returns true for a while, and then returns false
vlivanov
parents: 12966
diff changeset
732 if (root_m->get_Method()->is_default_method()) {
e46f2ee62e78 8036100: Default method returns true for a while, and then returns false
vlivanov
parents: 12966
diff changeset
733 return NULL;
e46f2ee62e78 8036100: Default method returns true for a while, and then returns false
vlivanov
parents: 12966
diff changeset
734 }
e46f2ee62e78 8036100: Default method returns true for a while, and then returns false
vlivanov
parents: 12966
diff changeset
735
0
a61af66fc99e Initial load
duke
parents:
diff changeset
736 methodHandle target;
a61af66fc99e Initial load
duke
parents:
diff changeset
737 {
a61af66fc99e Initial load
duke
parents:
diff changeset
738 MutexLocker locker(Compile_lock);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
739 Klass* context = actual_recv->get_Klass();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
740 target = Dependencies::find_unique_concrete_method(context,
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
741 root_m->get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
742 // %%% Should upgrade this ciMethod API to look for 1 or 2 concrete methods.
a61af66fc99e Initial load
duke
parents:
diff changeset
743 }
a61af66fc99e Initial load
duke
parents:
diff changeset
744
a61af66fc99e Initial load
duke
parents:
diff changeset
745 #ifndef PRODUCT
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
746 if (TraceDependencies && target() != NULL && target() != root_m->get_Method()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
747 tty->print("found a non-root unique target method");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
748 tty->print_cr(" context = %s", InstanceKlass::cast(actual_recv->get_Klass())->external_name());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
749 tty->print(" method = ");
a61af66fc99e Initial load
duke
parents:
diff changeset
750 target->print_short_name(tty);
a61af66fc99e Initial load
duke
parents:
diff changeset
751 tty->cr();
a61af66fc99e Initial load
duke
parents:
diff changeset
752 }
a61af66fc99e Initial load
duke
parents:
diff changeset
753 #endif //PRODUCT
a61af66fc99e Initial load
duke
parents:
diff changeset
754
a61af66fc99e Initial load
duke
parents:
diff changeset
755 if (target() == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
756 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
757 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
758 if (target() == root_m->get_Method()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
759 return root_m;
a61af66fc99e Initial load
duke
parents:
diff changeset
760 }
a61af66fc99e Initial load
duke
parents:
diff changeset
761 if (!root_m->is_public() &&
a61af66fc99e Initial load
duke
parents:
diff changeset
762 !root_m->is_protected()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
763 // If we are going to reason about inheritance, it's easiest
a61af66fc99e Initial load
duke
parents:
diff changeset
764 // if the method in question is public, protected, or private.
a61af66fc99e Initial load
duke
parents:
diff changeset
765 // If the answer is not root_m, it is conservatively correct
a61af66fc99e Initial load
duke
parents:
diff changeset
766 // to return NULL, even if the CHA encountered irrelevant
a61af66fc99e Initial load
duke
parents:
diff changeset
767 // methods in other packages.
a61af66fc99e Initial load
duke
parents:
diff changeset
768 // %%% TO DO: Work out logic for package-private methods
a61af66fc99e Initial load
duke
parents:
diff changeset
769 // with the same name but different vtable indexes.
a61af66fc99e Initial load
duke
parents:
diff changeset
770 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
771 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
772 return CURRENT_THREAD_ENV->get_method(target());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
773 }
a61af66fc99e Initial load
duke
parents:
diff changeset
774
a61af66fc99e Initial load
duke
parents:
diff changeset
775 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
776 // ciMethod::resolve_invoke
a61af66fc99e Initial load
duke
parents:
diff changeset
777 //
a61af66fc99e Initial load
duke
parents:
diff changeset
778 // Given a known receiver klass, find the target for the call.
a61af66fc99e Initial load
duke
parents:
diff changeset
779 // Return NULL if the call has no target or the target is abstract.
22988
99edc344d77c 8062280: C2: inlining failure due to access checks being too strict
vlivanov
parents: 22985
diff changeset
780 ciMethod* ciMethod::resolve_invoke(ciKlass* caller, ciKlass* exact_receiver, bool check_access) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
781 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
782 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
783
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
784 KlassHandle caller_klass (THREAD, caller->get_Klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
785 KlassHandle h_recv (THREAD, exact_receiver->get_Klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
786 KlassHandle h_resolved (THREAD, holder()->get_Klass());
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2007
diff changeset
787 Symbol* h_name = name()->get_symbol();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2007
diff changeset
788 Symbol* h_signature = signature()->get_symbol();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
789
a61af66fc99e Initial load
duke
parents:
diff changeset
790 methodHandle m;
a61af66fc99e Initial load
duke
parents:
diff changeset
791 // Only do exact lookup if receiver klass has been linked. Otherwise,
a61af66fc99e Initial load
duke
parents:
diff changeset
792 // the vtable has not been setup, and the LinkResolver will fail.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
793 if (h_recv->oop_is_array()
0
a61af66fc99e Initial load
duke
parents:
diff changeset
794 ||
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
795 InstanceKlass::cast(h_recv())->is_linked() && !exact_receiver->is_interface()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
796 if (holder()->is_interface()) {
22988
99edc344d77c 8062280: C2: inlining failure due to access checks being too strict
vlivanov
parents: 22985
diff changeset
797 m = LinkResolver::resolve_interface_call_or_null(h_recv, h_resolved, h_name, h_signature, caller_klass, check_access);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
798 } else {
22988
99edc344d77c 8062280: C2: inlining failure due to access checks being too strict
vlivanov
parents: 22985
diff changeset
799 m = LinkResolver::resolve_virtual_call_or_null(h_recv, h_resolved, h_name, h_signature, caller_klass, check_access);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
800 }
a61af66fc99e Initial load
duke
parents:
diff changeset
801 }
a61af66fc99e Initial load
duke
parents:
diff changeset
802
a61af66fc99e Initial load
duke
parents:
diff changeset
803 if (m.is_null()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
804 // Return NULL only if there was a problem with lookup (uninitialized class, etc.)
a61af66fc99e Initial load
duke
parents:
diff changeset
805 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
806 }
a61af66fc99e Initial load
duke
parents:
diff changeset
807
a61af66fc99e Initial load
duke
parents:
diff changeset
808 ciMethod* result = this;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
809 if (m() != get_Method()) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
810 result = CURRENT_THREAD_ENV->get_method(m());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
811 }
a61af66fc99e Initial load
duke
parents:
diff changeset
812
a61af66fc99e Initial load
duke
parents:
diff changeset
813 // Don't return abstract methods because they aren't
a61af66fc99e Initial load
duke
parents:
diff changeset
814 // optimizable or interesting.
a61af66fc99e Initial load
duke
parents:
diff changeset
815 if (result->is_abstract()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
816 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
817 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
818 return result;
a61af66fc99e Initial load
duke
parents:
diff changeset
819 }
a61af66fc99e Initial load
duke
parents:
diff changeset
820 }
a61af66fc99e Initial load
duke
parents:
diff changeset
821
a61af66fc99e Initial load
duke
parents:
diff changeset
822 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
823 // ciMethod::resolve_vtable_index
a61af66fc99e Initial load
duke
parents:
diff changeset
824 //
a61af66fc99e Initial load
duke
parents:
diff changeset
825 // Given a known receiver klass, find the vtable index for the call.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
826 // Return Method::invalid_vtable_index if the vtable_index is unknown.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
827 int ciMethod::resolve_vtable_index(ciKlass* caller, ciKlass* receiver) {
a61af66fc99e Initial load
duke
parents:
diff changeset
828 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
829
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
830 int vtable_index = Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
831 // Only do lookup if receiver klass has been linked. Otherwise,
a61af66fc99e Initial load
duke
parents:
diff changeset
832 // the vtable has not been setup, and the LinkResolver will fail.
a61af66fc99e Initial load
duke
parents:
diff changeset
833 if (!receiver->is_interface()
a61af66fc99e Initial load
duke
parents:
diff changeset
834 && (!receiver->is_instance_klass() ||
a61af66fc99e Initial load
duke
parents:
diff changeset
835 receiver->as_instance_klass()->is_linked())) {
a61af66fc99e Initial load
duke
parents:
diff changeset
836 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
837
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
838 KlassHandle caller_klass (THREAD, caller->get_Klass());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
839 KlassHandle h_recv (THREAD, receiver->get_Klass());
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2007
diff changeset
840 Symbol* h_name = name()->get_symbol();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2007
diff changeset
841 Symbol* h_signature = signature()->get_symbol();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
842
a61af66fc99e Initial load
duke
parents:
diff changeset
843 vtable_index = LinkResolver::resolve_virtual_vtable_index(h_recv, h_recv, h_name, h_signature, caller_klass);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
844 if (vtable_index == Method::nonvirtual_vtable_index) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
845 // A statically bound method. Return "no such index".
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
846 vtable_index = Method::invalid_vtable_index;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
847 }
a61af66fc99e Initial load
duke
parents:
diff changeset
848 }
a61af66fc99e Initial load
duke
parents:
diff changeset
849
a61af66fc99e Initial load
duke
parents:
diff changeset
850 return vtable_index;
a61af66fc99e Initial load
duke
parents:
diff changeset
851 }
a61af66fc99e Initial load
duke
parents:
diff changeset
852
a61af66fc99e Initial load
duke
parents:
diff changeset
853 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
854 // ciMethod::interpreter_call_site_count
a61af66fc99e Initial load
duke
parents:
diff changeset
855 int ciMethod::interpreter_call_site_count(int bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
856 if (method_data() != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
857 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
858 ciProfileData* data = method_data()->bci_to_data(bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
859 if (data != NULL && data->is_CounterData()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
860 return scale_count(data->as_CounterData()->count());
a61af66fc99e Initial load
duke
parents:
diff changeset
861 }
a61af66fc99e Initial load
duke
parents:
diff changeset
862 }
a61af66fc99e Initial load
duke
parents:
diff changeset
863 return -1; // unknown
a61af66fc99e Initial load
duke
parents:
diff changeset
864 }
a61af66fc99e Initial load
duke
parents:
diff changeset
865
a61af66fc99e Initial load
duke
parents:
diff changeset
866 // ------------------------------------------------------------------
7194
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
867 // ciMethod::get_field_at_bci
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
868 ciField* ciMethod::get_field_at_bci(int bci, bool &will_link) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
869 ciBytecodeStream iter(this);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
870 iter.reset_to_bci(bci);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
871 iter.next();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
872 return iter.get_field(will_link);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
873 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
874
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
875 // ------------------------------------------------------------------
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
876 // ciMethod::get_method_at_bci
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
877 ciMethod* ciMethod::get_method_at_bci(int bci, bool &will_link, ciSignature* *declared_signature) {
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
878 ciBytecodeStream iter(this);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
879 iter.reset_to_bci(bci);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
880 iter.next();
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
881 return iter.get_method(will_link, declared_signature);
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
882 }
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
883
beebba0acc11 7172640: C2: instrinsic implementations in LibraryCallKit should use argument() instead of pop()
twisti
parents: 6973
diff changeset
884 // ------------------------------------------------------------------
0
a61af66fc99e Initial load
duke
parents:
diff changeset
885 // Adjust a CounterData count to be commensurate with
a61af66fc99e Initial load
duke
parents:
diff changeset
886 // interpreter_invocation_count. If the MDO exists for
a61af66fc99e Initial load
duke
parents:
diff changeset
887 // only 25% of the time the method exists, then the
a61af66fc99e Initial load
duke
parents:
diff changeset
888 // counts in the MDO should be scaled by 4X, so that
a61af66fc99e Initial load
duke
parents:
diff changeset
889 // they can be usefully and stably compared against the
a61af66fc99e Initial load
duke
parents:
diff changeset
890 // invocation counts in methods.
a61af66fc99e Initial load
duke
parents:
diff changeset
891 int ciMethod::scale_count(int count, float prof_factor) {
a61af66fc99e Initial load
duke
parents:
diff changeset
892 if (count > 0 && method_data() != NULL) {
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
893 int counter_life;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
894 int method_life = interpreter_invocation_count();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
895 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
896 // In tiered the MDO's life is measured directly, so just use the snapshotted counters
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
897 counter_life = MAX2(method_data()->invocation_count(), method_data()->backedge_count());
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
898 } else {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
899 int current_mileage = method_data()->current_mileage();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
900 int creation_mileage = method_data()->creation_mileage();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
901 counter_life = current_mileage - creation_mileage;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
902 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
903
0
a61af66fc99e Initial load
duke
parents:
diff changeset
904 // counter_life due to backedge_counter could be > method_life
a61af66fc99e Initial load
duke
parents:
diff changeset
905 if (counter_life > method_life)
a61af66fc99e Initial load
duke
parents:
diff changeset
906 counter_life = method_life;
a61af66fc99e Initial load
duke
parents:
diff changeset
907 if (0 < counter_life && counter_life <= method_life) {
a61af66fc99e Initial load
duke
parents:
diff changeset
908 count = (int)((double)count * prof_factor * method_life / counter_life + 0.5);
a61af66fc99e Initial load
duke
parents:
diff changeset
909 count = (count > 0) ? count : 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
910 }
a61af66fc99e Initial load
duke
parents:
diff changeset
911 }
a61af66fc99e Initial load
duke
parents:
diff changeset
912 return count;
a61af66fc99e Initial load
duke
parents:
diff changeset
913 }
a61af66fc99e Initial load
duke
parents:
diff changeset
914
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
915
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
916 // ------------------------------------------------------------------
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
917 // ciMethod::is_special_get_caller_class_method
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
918 //
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
919 bool ciMethod::is_ignored_by_security_stack_walk() const {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
920 check_is_loaded();
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
921 VM_ENTRY_MARK;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
922 return get_Method()->is_ignored_by_security_stack_walk();
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
923 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
924
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7998
diff changeset
925
0
a61af66fc99e Initial load
duke
parents:
diff changeset
926 // ------------------------------------------------------------------
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 196
diff changeset
927 // invokedynamic support
1564
61b2245abf36 6930772: JSR 292 needs to support SPARC C1
twisti
parents: 1251
diff changeset
928
61b2245abf36 6930772: JSR 292 needs to support SPARC C1
twisti
parents: 1251
diff changeset
929 // ------------------------------------------------------------------
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
930 // ciMethod::is_method_handle_intrinsic
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 196
diff changeset
931 //
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
932 // Return true if the method is an instance of the JVM-generated
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
933 // signature-polymorphic MethodHandle methods, _invokeBasic, _linkToVirtual, etc.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
934 bool ciMethod::is_method_handle_intrinsic() const {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
935 vmIntrinsics::ID iid = _intrinsic_id; // do not check if loaded
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
936 return (MethodHandles::is_signature_polymorphic(iid) &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
937 MethodHandles::is_signature_polymorphic_intrinsic(iid));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 196
diff changeset
938 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 196
diff changeset
939
1564
61b2245abf36 6930772: JSR 292 needs to support SPARC C1
twisti
parents: 1251
diff changeset
940 // ------------------------------------------------------------------
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
941 // ciMethod::is_compiled_lambda_form
1564
61b2245abf36 6930772: JSR 292 needs to support SPARC C1
twisti
parents: 1251
diff changeset
942 //
61b2245abf36 6930772: JSR 292 needs to support SPARC C1
twisti
parents: 1251
diff changeset
943 // Return true if the method is a generated MethodHandle adapter.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
944 // These are built by Java code.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
945 bool ciMethod::is_compiled_lambda_form() const {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
946 vmIntrinsics::ID iid = _intrinsic_id; // do not check if loaded
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
947 return iid == vmIntrinsics::_compiledLambdaForm;
1152
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1137
diff changeset
948 }
cd37471eaecc 6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents: 1137
diff changeset
949
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
950 // ------------------------------------------------------------------
24170
0b85ccd62409 8168699: Validate special case invocations
coleenp
parents: 23086
diff changeset
951 // ciMethod::is_object_initializer
0b85ccd62409 8168699: Validate special case invocations
coleenp
parents: 23086
diff changeset
952 //
0b85ccd62409 8168699: Validate special case invocations
coleenp
parents: 23086
diff changeset
953 bool ciMethod::is_object_initializer() const {
0b85ccd62409 8168699: Validate special case invocations
coleenp
parents: 23086
diff changeset
954 return name() == ciSymbol::object_initializer_name();
0b85ccd62409 8168699: Validate special case invocations
coleenp
parents: 23086
diff changeset
955 }
0b85ccd62409 8168699: Validate special case invocations
coleenp
parents: 23086
diff changeset
956
0b85ccd62409 8168699: Validate special case invocations
coleenp
parents: 23086
diff changeset
957 // ------------------------------------------------------------------
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
958 // ciMethod::has_member_arg
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
959 //
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
960 // Return true if the method is a linker intrinsic like _linkToVirtual.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
961 // These are built by the JVM.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
962 bool ciMethod::has_member_arg() const {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
963 vmIntrinsics::ID iid = _intrinsic_id; // do not check if loaded
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
964 return (MethodHandles::is_signature_polymorphic(iid) &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
965 MethodHandles::has_member_arg(iid));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 196
diff changeset
966 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 196
diff changeset
967
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents: 196
diff changeset
968 // ------------------------------------------------------------------
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
969 // ciMethod::ensure_method_data
0
a61af66fc99e Initial load
duke
parents:
diff changeset
970 //
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
971 // Generate new MethodData* objects at compile time.
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
972 // Return true if allocation was successful or no MDO is required.
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
973 bool ciMethod::ensure_method_data(methodHandle h_m) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
974 EXCEPTION_CONTEXT;
12868
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
975 if (is_native() || is_abstract() || h_m()->is_accessor()) {
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
976 return true;
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
977 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
978 if (h_m()->method_data() == NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
979 Method::build_interpreter_method_data(h_m, THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
980 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
981 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
982 }
a61af66fc99e Initial load
duke
parents:
diff changeset
983 }
a61af66fc99e Initial load
duke
parents:
diff changeset
984 if (h_m()->method_data() != NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
985 _method_data = CURRENT_ENV->get_method_data(h_m()->method_data());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
986 _method_data->load_data();
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
987 return true;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
988 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
989 _method_data = CURRENT_ENV->get_empty_methodData();
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
990 return false;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
991 }
a61af66fc99e Initial load
duke
parents:
diff changeset
992 }
a61af66fc99e Initial load
duke
parents:
diff changeset
993
a61af66fc99e Initial load
duke
parents:
diff changeset
994 // public, retroactive version
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
995 bool ciMethod::ensure_method_data() {
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
996 bool result = true;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
997 if (_method_data == NULL || _method_data->is_empty()) {
a61af66fc99e Initial load
duke
parents:
diff changeset
998 GUARDED_VM_ENTRY({
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
999 result = ensure_method_data(get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1000 });
a61af66fc99e Initial load
duke
parents:
diff changeset
1001 }
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1002 return result;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1003 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1004
a61af66fc99e Initial load
duke
parents:
diff changeset
1005
a61af66fc99e Initial load
duke
parents:
diff changeset
1006 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1007 // ciMethod::method_data
a61af66fc99e Initial load
duke
parents:
diff changeset
1008 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1009 ciMethodData* ciMethod::method_data() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1010 if (_method_data != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1011 return _method_data;
a61af66fc99e Initial load
duke
parents:
diff changeset
1012 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1013 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1014 ciEnv* env = CURRENT_ENV;
a61af66fc99e Initial load
duke
parents:
diff changeset
1015 Thread* my_thread = JavaThread::current();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1016 methodHandle h_m(my_thread, get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1017
a61af66fc99e Initial load
duke
parents:
diff changeset
1018 if (h_m()->method_data() != NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1019 _method_data = CURRENT_ENV->get_method_data(h_m()->method_data());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1020 _method_data->load_data();
a61af66fc99e Initial load
duke
parents:
diff changeset
1021 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1022 _method_data = CURRENT_ENV->get_empty_methodData();
a61af66fc99e Initial load
duke
parents:
diff changeset
1023 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1024 return _method_data;
a61af66fc99e Initial load
duke
parents:
diff changeset
1025
a61af66fc99e Initial load
duke
parents:
diff changeset
1026 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1027
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1028 // ------------------------------------------------------------------
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1029 // ciMethod::method_data_or_null
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1030 // Returns a pointer to ciMethodData if MDO exists on the VM side,
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1031 // NULL otherwise.
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1032 ciMethodData* ciMethod::method_data_or_null() {
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1033 ciMethodData *md = method_data();
12868
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
1034 if (md->is_empty()) {
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
1035 return NULL;
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
1036 }
2007
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1037 return md;
5ddfcf4b079e 7003554: (tiered) assert(is_null_object() || handle() != NULL) failed: cannot embed null pointer
iveresov
parents: 1972
diff changeset
1038 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1039
a61af66fc99e Initial load
duke
parents:
diff changeset
1040 // ------------------------------------------------------------------
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1041 // ciMethod::ensure_method_counters
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1042 //
12868
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
1043 MethodCounters* ciMethod::ensure_method_counters() {
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1044 check_is_loaded();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1045 VM_ENTRY_MARK;
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1046 methodHandle mh(THREAD, get_Method());
12868
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
1047 MethodCounters* method_counters = mh->get_method_counters(CHECK_NULL);
c775af091fe9 8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
twisti
parents: 12865
diff changeset
1048 return method_counters;
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1049 }
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1050
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1051 // ------------------------------------------------------------------
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1052 // ciMethod::should_exclude
a61af66fc99e Initial load
duke
parents:
diff changeset
1053 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1054 // Should this method be excluded from compilation?
a61af66fc99e Initial load
duke
parents:
diff changeset
1055 bool ciMethod::should_exclude() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1056 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1057 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1058 methodHandle mh(THREAD, get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1059 bool ignore;
a61af66fc99e Initial load
duke
parents:
diff changeset
1060 return CompilerOracle::should_exclude(mh, ignore);
a61af66fc99e Initial load
duke
parents:
diff changeset
1061 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1062
a61af66fc99e Initial load
duke
parents:
diff changeset
1063 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1064 // ciMethod::should_inline
a61af66fc99e Initial load
duke
parents:
diff changeset
1065 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1066 // Should this method be inlined during compilation?
a61af66fc99e Initial load
duke
parents:
diff changeset
1067 bool ciMethod::should_inline() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1068 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1069 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1070 methodHandle mh(THREAD, get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1071 return CompilerOracle::should_inline(mh);
a61af66fc99e Initial load
duke
parents:
diff changeset
1072 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1073
a61af66fc99e Initial load
duke
parents:
diff changeset
1074 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1075 // ciMethod::should_not_inline
a61af66fc99e Initial load
duke
parents:
diff changeset
1076 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1077 // Should this method be disallowed from inlining during compilation?
a61af66fc99e Initial load
duke
parents:
diff changeset
1078 bool ciMethod::should_not_inline() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1079 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1080 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1081 methodHandle mh(THREAD, get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1082 return CompilerOracle::should_not_inline(mh);
a61af66fc99e Initial load
duke
parents:
diff changeset
1083 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1084
a61af66fc99e Initial load
duke
parents:
diff changeset
1085 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1086 // ciMethod::should_print_assembly
a61af66fc99e Initial load
duke
parents:
diff changeset
1087 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1088 // Should the compiler print the generated code for this method?
a61af66fc99e Initial load
duke
parents:
diff changeset
1089 bool ciMethod::should_print_assembly() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1090 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1091 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1092 methodHandle mh(THREAD, get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1093 return CompilerOracle::should_print(mh);
a61af66fc99e Initial load
duke
parents:
diff changeset
1094 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1095
a61af66fc99e Initial load
duke
parents:
diff changeset
1096 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 // ciMethod::break_at_execute
a61af66fc99e Initial load
duke
parents:
diff changeset
1098 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1099 // Should the compiler insert a breakpoint into the generated code
a61af66fc99e Initial load
duke
parents:
diff changeset
1100 // method?
a61af66fc99e Initial load
duke
parents:
diff changeset
1101 bool ciMethod::break_at_execute() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1102 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1103 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1104 methodHandle mh(THREAD, get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1105 return CompilerOracle::should_break_at(mh);
a61af66fc99e Initial load
duke
parents:
diff changeset
1106 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1107
a61af66fc99e Initial load
duke
parents:
diff changeset
1108 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1109 // ciMethod::has_option
a61af66fc99e Initial load
duke
parents:
diff changeset
1110 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1111 bool ciMethod::has_option(const char* option) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1112 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1113 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1114 methodHandle mh(THREAD, get_Method());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1115 return CompilerOracle::has_option_string(mh, option);
a61af66fc99e Initial load
duke
parents:
diff changeset
1116 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1117
a61af66fc99e Initial load
duke
parents:
diff changeset
1118 // ------------------------------------------------------------------
20430
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1119 // ciMethod::has_option_value
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1120 //
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1121 template<typename T>
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1122 bool ciMethod::has_option_value(const char* option, T& value) {
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1123 check_is_loaded();
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1124 VM_ENTRY_MARK;
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1125 methodHandle mh(THREAD, get_Method());
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1126 return CompilerOracle::has_option_value(mh, option, value);
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1127 }
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1128 // Explicit instantiation for all OptionTypes supported.
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1129 template bool ciMethod::has_option_value<intx>(const char* option, intx& value);
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1130 template bool ciMethod::has_option_value<uintx>(const char* option, uintx& value);
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1131 template bool ciMethod::has_option_value<bool>(const char* option, bool& value);
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1132 template bool ciMethod::has_option_value<ccstr>(const char* option, ccstr& value);
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1133
119875f0fc67 8056964: JDK-8055286 changes are incomplete.
kvn
parents: 17980
diff changeset
1134 // ------------------------------------------------------------------
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1135 // ciMethod::can_be_compiled
a61af66fc99e Initial load
duke
parents:
diff changeset
1136 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1137 // Have previous compilations of this method succeeded?
a61af66fc99e Initial load
duke
parents:
diff changeset
1138 bool ciMethod::can_be_compiled() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1139 check_is_loaded();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1140 ciEnv* env = CURRENT_ENV;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1141 if (is_c1_compile(env->comp_level())) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1142 return _is_c1_compilable;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1143 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1144 return _is_c2_compilable;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1145 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1146
a61af66fc99e Initial load
duke
parents:
diff changeset
1147 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1148 // ciMethod::set_not_compilable
a61af66fc99e Initial load
duke
parents:
diff changeset
1149 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1150 // Tell the VM that this method cannot be compiled at all.
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7990
diff changeset
1151 void ciMethod::set_not_compilable(const char* reason) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1152 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1153 VM_ENTRY_MARK;
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1154 ciEnv* env = CURRENT_ENV;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1155 if (is_c1_compile(env->comp_level())) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1156 _is_c1_compilable = false;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1157 } else {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1158 _is_c2_compilable = false;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1159 }
7998
6a51fc70a15e 8006613: adding reason to made_not_compilable
vlivanov
parents: 7990
diff changeset
1160 get_Method()->set_not_compilable(env->comp_level(), true, reason);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1161 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1162
a61af66fc99e Initial load
duke
parents:
diff changeset
1163 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1164 // ciMethod::can_be_osr_compiled
a61af66fc99e Initial load
duke
parents:
diff changeset
1165 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1166 // Have previous compilations of this method succeeded?
a61af66fc99e Initial load
duke
parents:
diff changeset
1167 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1168 // Implementation note: the VM does not currently keep track
a61af66fc99e Initial load
duke
parents:
diff changeset
1169 // of failed OSR compilations per bci. The entry_bci parameter
a61af66fc99e Initial load
duke
parents:
diff changeset
1170 // is currently unused.
a61af66fc99e Initial load
duke
parents:
diff changeset
1171 bool ciMethod::can_be_osr_compiled(int entry_bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1172 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1173 VM_ENTRY_MARK;
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1174 ciEnv* env = CURRENT_ENV;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1175 return !get_Method()->is_not_osr_compilable(env->comp_level());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1176 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1177
a61af66fc99e Initial load
duke
parents:
diff changeset
1178 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1179 // ciMethod::has_compiled_code
a61af66fc99e Initial load
duke
parents:
diff changeset
1180 bool ciMethod::has_compiled_code() {
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1181 return instructions_size() > 0;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1182 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1183
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1184 int ciMethod::comp_level() {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1185 check_is_loaded();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1186 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1187 nmethod* nm = get_Method()->code();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1188 if (nm != NULL) return nm->comp_level();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1189 return 0;
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1190 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1748
diff changeset
1191
3791
2c359f27615c 7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents: 3785
diff changeset
1192 int ciMethod::highest_osr_comp_level() {
2c359f27615c 7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents: 3785
diff changeset
1193 check_is_loaded();
2c359f27615c 7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents: 3785
diff changeset
1194 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1195 return get_Method()->highest_osr_comp_level();
3791
2c359f27615c 7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents: 3785
diff changeset
1196 }
2c359f27615c 7057120: Tiered: Allow C1 to inline methods with loops
iveresov
parents: 3785
diff changeset
1197
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1198 // ------------------------------------------------------------------
3897
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1199 // ciMethod::code_size_for_inlining
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1200 //
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1201 // Code size for inlining decisions. This method returns a code
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1202 // size of 1 for methods which has the ForceInline annotation.
3897
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1203 int ciMethod::code_size_for_inlining() {
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1204 check_is_loaded();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1205 if (get_Method()->force_inline()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1206 return 1;
3897
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1207 }
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1208 return code_size();
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1209 }
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1210
de847cac9235 7078382: JSR 292: don't count method handle adapters against inlining budgets
twisti
parents: 3791
diff changeset
1211 // ------------------------------------------------------------------
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1212 // ciMethod::instructions_size
1748
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1692
diff changeset
1213 //
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1692
diff changeset
1214 // This is a rough metric for "fat" methods, compared before inlining
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1692
diff changeset
1215 // with InlineSmallCode. The CodeBlob::code_size accessor includes
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1692
diff changeset
1216 // junk like exception handler, stubs, and constant table, which are
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1692
diff changeset
1217 // not highly relevant to an inlined method. So we use the more
3e8fbc61cee8 6978355: renaming for 6961697
twisti
parents: 1692
diff changeset
1218 // specific accessor nmethod::insts_size.
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1219 int ciMethod::instructions_size() {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1220 if (_instructions_size == -1) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1221 GUARDED_VM_ENTRY(
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1222 nmethod* code = get_Method()->code();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1223 if (code != NULL && (code->comp_level() == CompLevel_full_optimization)) {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1224 _instructions_size = code->insts_end() - code->verified_entry_point();
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1225 } else {
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1226 _instructions_size = 0;
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1227 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1228 );
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1229 }
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1230 return _instructions_size;
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1231 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1232
a61af66fc99e Initial load
duke
parents:
diff changeset
1233 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1234 // ciMethod::log_nmethod_identity
a61af66fc99e Initial load
duke
parents:
diff changeset
1235 void ciMethod::log_nmethod_identity(xmlStream* log) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1236 GUARDED_VM_ENTRY(
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1237 nmethod* code = get_Method()->code();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1238 if (code != NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1239 code->log_identity(log);
a61af66fc99e Initial load
duke
parents:
diff changeset
1240 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1241 )
a61af66fc99e Initial load
duke
parents:
diff changeset
1242 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1243
a61af66fc99e Initial load
duke
parents:
diff changeset
1244 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1245 // ciMethod::is_not_reached
a61af66fc99e Initial load
duke
parents:
diff changeset
1246 bool ciMethod::is_not_reached(int bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1247 check_is_loaded();
a61af66fc99e Initial load
duke
parents:
diff changeset
1248 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1249 return Interpreter::is_not_reached(
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1250 methodHandle(THREAD, get_Method()), bci);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1251 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1252
a61af66fc99e Initial load
duke
parents:
diff changeset
1253 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1254 // ciMethod::was_never_executed
a61af66fc99e Initial load
duke
parents:
diff changeset
1255 bool ciMethod::was_executed_more_than(int times) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1256 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1257 return get_Method()->was_executed_more_than(times);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1258 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1259
a61af66fc99e Initial load
duke
parents:
diff changeset
1260 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1261 // ciMethod::has_unloaded_classes_in_signature
a61af66fc99e Initial load
duke
parents:
diff changeset
1262 bool ciMethod::has_unloaded_classes_in_signature() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1263 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1264 {
a61af66fc99e Initial load
duke
parents:
diff changeset
1265 EXCEPTION_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1266 methodHandle m(THREAD, get_Method());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1267 bool has_unloaded = Method::has_unloaded_classes_in_signature(m, (JavaThread *)THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1268 if( HAS_PENDING_EXCEPTION ) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1269 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1270 return true; // Declare that we may have unloaded classes
a61af66fc99e Initial load
duke
parents:
diff changeset
1271 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1272 return has_unloaded;
a61af66fc99e Initial load
duke
parents:
diff changeset
1273 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1274 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1275
a61af66fc99e Initial load
duke
parents:
diff changeset
1276 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1277 // ciMethod::is_klass_loaded
a61af66fc99e Initial load
duke
parents:
diff changeset
1278 bool ciMethod::is_klass_loaded(int refinfo_index, bool must_be_resolved) const {
a61af66fc99e Initial load
duke
parents:
diff changeset
1279 VM_ENTRY_MARK;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1280 return get_Method()->is_klass_loaded(refinfo_index, must_be_resolved);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1281 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1282
a61af66fc99e Initial load
duke
parents:
diff changeset
1283 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1284 // ciMethod::check_call
a61af66fc99e Initial load
duke
parents:
diff changeset
1285 bool ciMethod::check_call(int refinfo_index, bool is_static) const {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10278
diff changeset
1286 // This method is used only in C2 from InlineTree::ok_to_inline,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10278
diff changeset
1287 // and is only used under -Xcomp or -XX:CompileTheWorld.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10278
diff changeset
1288 // It appears to fail when applied to an invokeinterface call site.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 10278
diff changeset
1289 // FIXME: Remove this method and resolve_method_statically; refactor to use the other LinkResolver entry points.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1290 VM_ENTRY_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1291 {
a61af66fc99e Initial load
duke
parents:
diff changeset
1292 EXCEPTION_MARK;
a61af66fc99e Initial load
duke
parents:
diff changeset
1293 HandleMark hm(THREAD);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1294 constantPoolHandle pool (THREAD, get_Method()->constants());
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1295 methodHandle spec_method;
a61af66fc99e Initial load
duke
parents:
diff changeset
1296 KlassHandle spec_klass;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1297 Bytecodes::Code code = (is_static ? Bytecodes::_invokestatic : Bytecodes::_invokevirtual);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1298 LinkResolver::resolve_method_statically(spec_method, spec_klass, code, pool, refinfo_index, THREAD);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1299 if (HAS_PENDING_EXCEPTION) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1300 CLEAR_PENDING_EXCEPTION;
a61af66fc99e Initial load
duke
parents:
diff changeset
1301 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1302 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1303 return (spec_method->is_static() == is_static);
a61af66fc99e Initial load
duke
parents:
diff changeset
1304 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1305 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1306 return false;
a61af66fc99e Initial load
duke
parents:
diff changeset
1307 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1308
a61af66fc99e Initial load
duke
parents:
diff changeset
1309 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1310 // ciMethod::print_codes
a61af66fc99e Initial load
duke
parents:
diff changeset
1311 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1312 // Print the bytecodes for this method.
a61af66fc99e Initial load
duke
parents:
diff changeset
1313 void ciMethod::print_codes_on(outputStream* st) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1314 check_is_loaded();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1315 GUARDED_VM_ENTRY(get_Method()->print_codes_on(st);)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1316 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1317
a61af66fc99e Initial load
duke
parents:
diff changeset
1318
a61af66fc99e Initial load
duke
parents:
diff changeset
1319 #define FETCH_FLAG_FROM_VM(flag_accessor) { \
a61af66fc99e Initial load
duke
parents:
diff changeset
1320 check_is_loaded(); \
a61af66fc99e Initial load
duke
parents:
diff changeset
1321 VM_ENTRY_MARK; \
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1322 return get_Method()->flag_accessor(); \
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1323 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1324
a61af66fc99e Initial load
duke
parents:
diff changeset
1325 bool ciMethod::is_empty_method() const { FETCH_FLAG_FROM_VM(is_empty_method); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1326 bool ciMethod::is_vanilla_constructor() const { FETCH_FLAG_FROM_VM(is_vanilla_constructor); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1327 bool ciMethod::has_loops () const { FETCH_FLAG_FROM_VM(has_loops); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1328 bool ciMethod::has_jsrs () const { FETCH_FLAG_FROM_VM(has_jsrs); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1329 bool ciMethod::is_accessor () const { FETCH_FLAG_FROM_VM(is_accessor); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1330 bool ciMethod::is_initializer () const { FETCH_FLAG_FROM_VM(is_initializer); }
a61af66fc99e Initial load
duke
parents:
diff changeset
1331
10278
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1332 bool ciMethod::is_boxing_method() const {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1333 if (holder()->is_box_klass()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1334 switch (intrinsic_id()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1335 case vmIntrinsics::_Boolean_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1336 case vmIntrinsics::_Byte_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1337 case vmIntrinsics::_Character_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1338 case vmIntrinsics::_Short_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1339 case vmIntrinsics::_Integer_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1340 case vmIntrinsics::_Long_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1341 case vmIntrinsics::_Float_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1342 case vmIntrinsics::_Double_valueOf:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1343 return true;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1344 default:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1345 return false;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1346 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1347 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1348 return false;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1349 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1350
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1351 bool ciMethod::is_unboxing_method() const {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1352 if (holder()->is_box_klass()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1353 switch (intrinsic_id()) {
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1354 case vmIntrinsics::_booleanValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1355 case vmIntrinsics::_byteValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1356 case vmIntrinsics::_charValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1357 case vmIntrinsics::_shortValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1358 case vmIntrinsics::_intValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1359 case vmIntrinsics::_longValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1360 case vmIntrinsics::_floatValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1361 case vmIntrinsics::_doubleValue:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1362 return true;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1363 default:
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1364 return false;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1365 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1366 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1367 return false;
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1368 }
6f3fd5150b67 6934604: enable parts of EliminateAutoBox by default
kvn
parents: 10105
diff changeset
1369
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1370 BCEscapeAnalyzer *ciMethod::get_bcea() {
1648
8099e71601df 6968368: SIGSEGV in the BCEscapeAnalyzer::copy_dependencies
kvn
parents: 1579
diff changeset
1371 #ifdef COMPILER2
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1372 if (_bcea == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1373 _bcea = new (CURRENT_ENV->arena()) BCEscapeAnalyzer(this, NULL);
a61af66fc99e Initial load
duke
parents:
diff changeset
1374 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1375 return _bcea;
1648
8099e71601df 6968368: SIGSEGV in the BCEscapeAnalyzer::copy_dependencies
kvn
parents: 1579
diff changeset
1376 #else // COMPILER2
8099e71601df 6968368: SIGSEGV in the BCEscapeAnalyzer::copy_dependencies
kvn
parents: 1579
diff changeset
1377 ShouldNotReachHere();
8099e71601df 6968368: SIGSEGV in the BCEscapeAnalyzer::copy_dependencies
kvn
parents: 1579
diff changeset
1378 return NULL;
8099e71601df 6968368: SIGSEGV in the BCEscapeAnalyzer::copy_dependencies
kvn
parents: 1579
diff changeset
1379 #endif // COMPILER2
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1380 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1381
a61af66fc99e Initial load
duke
parents:
diff changeset
1382 ciMethodBlocks *ciMethod::get_method_blocks() {
a61af66fc99e Initial load
duke
parents:
diff changeset
1383 Arena *arena = CURRENT_ENV->arena();
a61af66fc99e Initial load
duke
parents:
diff changeset
1384 if (_method_blocks == NULL) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1385 _method_blocks = new (arena) ciMethodBlocks(arena, this);
a61af66fc99e Initial load
duke
parents:
diff changeset
1386 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1387 return _method_blocks;
a61af66fc99e Initial load
duke
parents:
diff changeset
1388 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1389
a61af66fc99e Initial load
duke
parents:
diff changeset
1390 #undef FETCH_FLAG_FROM_VM
a61af66fc99e Initial load
duke
parents:
diff changeset
1391
17622
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1392 void ciMethod::dump_name_as_ascii(outputStream* st) {
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1393 Method* method = get_Method();
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1394 st->print("%s %s %s",
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1395 method->klass_name()->as_quoted_ascii(),
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1396 method->name()->as_quoted_ascii(),
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1397 method->signature()->as_quoted_ascii());
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1398 }
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1399
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1400 void ciMethod::dump_replay_data(outputStream* st) {
7990
fcc9e7681d63 8006410: allocating without ResourceMark when CompileCommand was specified
vlivanov
parents: 7194
diff changeset
1401 ResourceMark rm;
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1402 Method* method = get_Method();
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1403 MethodCounters* mcs = method->method_counters();
17622
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1404 st->print("ciMethod ");
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1405 dump_name_as_ascii(st);
849eb7bfceac 8028468: Add inlining information into ciReplay
kvn
parents: 12966
diff changeset
1406 st->print_cr(" %d %d %d %d %d",
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1407 mcs == NULL ? 0 : mcs->invocation_counter()->raw_counter(),
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8866
diff changeset
1408 mcs == NULL ? 0 : mcs->backedge_counter()->raw_counter(),
6972
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1409 interpreter_invocation_count(),
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1410 interpreter_throwout_count(),
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1411 _instructions_size);
bd7a7ce2e264 6830717: replay of compilations would help with debugging
minqi
parents: 6940
diff changeset
1412 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1413
a61af66fc99e Initial load
duke
parents:
diff changeset
1414 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1415 // ciMethod::print_codes
a61af66fc99e Initial load
duke
parents:
diff changeset
1416 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1417 // Print a range of the bytecodes for this method.
a61af66fc99e Initial load
duke
parents:
diff changeset
1418 void ciMethod::print_codes_on(int from, int to, outputStream* st) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1419 check_is_loaded();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1420 GUARDED_VM_ENTRY(get_Method()->print_codes_on(from, to, st);)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1421 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1422
a61af66fc99e Initial load
duke
parents:
diff changeset
1423 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1424 // ciMethod::print_name
a61af66fc99e Initial load
duke
parents:
diff changeset
1425 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1426 // Print the name of this method, including signature and some flags.
a61af66fc99e Initial load
duke
parents:
diff changeset
1427 void ciMethod::print_name(outputStream* st) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1428 check_is_loaded();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1429 GUARDED_VM_ENTRY(get_Method()->print_name(st);)
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1430 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1431
a61af66fc99e Initial load
duke
parents:
diff changeset
1432 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1433 // ciMethod::print_short_name
a61af66fc99e Initial load
duke
parents:
diff changeset
1434 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1435 // Print the name of this method, without signature.
a61af66fc99e Initial load
duke
parents:
diff changeset
1436 void ciMethod::print_short_name(outputStream* st) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1437 if (is_loaded()) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1438 GUARDED_VM_ENTRY(get_Method()->print_short_name(st););
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1439 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1440 // Fall back if method is not loaded.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1441 holder()->print_name_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1442 st->print("::");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1443 name()->print_symbol_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1444 if (WizardMode)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1445 signature()->as_symbol()->print_symbol_on(st);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6213
diff changeset
1446 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1447 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1448
a61af66fc99e Initial load
duke
parents:
diff changeset
1449 // ------------------------------------------------------------------
a61af66fc99e Initial load
duke
parents:
diff changeset
1450 // ciMethod::print_impl
a61af66fc99e Initial load
duke
parents:
diff changeset
1451 //
a61af66fc99e Initial load
duke
parents:
diff changeset
1452 // Implementation of the print method.
a61af66fc99e Initial load
duke
parents:
diff changeset
1453 void ciMethod::print_impl(outputStream* st) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6634
diff changeset
1454 ciMetadata::print_impl(st);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1455 st->print(" name=");
a61af66fc99e Initial load
duke
parents:
diff changeset
1456 name()->print_symbol_on(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1457 st->print(" holder=");
a61af66fc99e Initial load
duke
parents:
diff changeset
1458 holder()->print_name_on(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1459 st->print(" signature=");
a61af66fc99e Initial load
duke
parents:
diff changeset
1460 signature()->as_symbol()->print_symbol_on(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1461 if (is_loaded()) {
6634
7f813940ac35 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 6266
diff changeset
1462 st->print(" loaded=true");
7f813940ac35 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 6266
diff changeset
1463 st->print(" arg_size=%d", arg_size());
7f813940ac35 7192406: JSR 292: C2 needs exact return type information for invokedynamic and invokehandle call sites
twisti
parents: 6266
diff changeset
1464 st->print(" flags=");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1465 flags().print_member_flags(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1466 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
1467 st->print(" loaded=false");
a61af66fc99e Initial load
duke
parents:
diff changeset
1468 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1469 }