annotate src/share/vm/oops/methodData.cpp @ 12962:5ccbab1c69f3

8026251: New type profiling points: parameters to methods Summary: x86 interpreter and c1 type profiling for parameters on method entries Reviewed-by: kvn, twisti
author roland
date Tue, 22 Oct 2013 09:51:47 +0200
parents ce0cc25bc5e2
children 6e1826d5c23e 2b8e28fdf503
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1 /*
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include "precompiled.hpp"
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26 #include "classfile/systemDictionary.hpp"
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27 #include "interpreter/bytecode.hpp"
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28 #include "interpreter/bytecodeStream.hpp"
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29 #include "interpreter/linkResolver.hpp"
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30 #include "memory/heapInspection.hpp"
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31 #include "oops/methodData.hpp"
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32 #include "prims/jvmtiRedefineClasses.hpp"
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33 #include "runtime/compilationPolicy.hpp"
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34 #include "runtime/deoptimization.hpp"
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35 #include "runtime/handles.inline.hpp"
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36
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37 // ==================================================================
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38 // DataLayout
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39 //
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40 // Overlay for generic profiling data.
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41
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42 // Some types of data layouts need a length field.
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43 bool DataLayout::needs_array_len(u1 tag) {
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44 return (tag == multi_branch_data_tag) || (tag == arg_info_data_tag) || (tag == parameters_type_data_tag);
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45 }
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46
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47 // Perform generic initialization of the data. More specific
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48 // initialization occurs in overrides of ProfileData::post_initialize.
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49 void DataLayout::initialize(u1 tag, u2 bci, int cell_count) {
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50 _header._bits = (intptr_t)0;
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51 _header._struct._tag = tag;
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52 _header._struct._bci = bci;
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53 for (int i = 0; i < cell_count; i++) {
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54 set_cell_at(i, (intptr_t)0);
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55 }
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56 if (needs_array_len(tag)) {
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57 set_cell_at(ArrayData::array_len_off_set, cell_count - 1); // -1 for header.
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58 }
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59 if (tag == call_type_data_tag) {
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60 CallTypeData::initialize(this, cell_count);
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61 } else if (tag == virtual_call_type_data_tag) {
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62 VirtualCallTypeData::initialize(this, cell_count);
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63 }
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64 }
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65
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66 void DataLayout::clean_weak_klass_links(BoolObjectClosure* cl) {
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67 ResourceMark m;
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68 data_in()->clean_weak_klass_links(cl);
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69 }
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71
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72 // ==================================================================
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73 // ProfileData
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74 //
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75 // A ProfileData object is created to refer to a section of profiling
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76 // data in a structured way.
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77
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78 // Constructor for invalid ProfileData.
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79 ProfileData::ProfileData() {
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80 _data = NULL;
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81 }
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82
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83 #ifndef PRODUCT
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84 void ProfileData::print_shared(outputStream* st, const char* name) const {
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85 st->print("bci: %d", bci());
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86 st->fill_to(tab_width_one);
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87 st->print("%s", name);
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88 tab(st);
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89 int trap = trap_state();
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90 if (trap != 0) {
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91 char buf[100];
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92 st->print("trap(%s) ", Deoptimization::format_trap_state(buf, sizeof(buf), trap));
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93 }
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94 int flags = data()->flags();
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95 if (flags != 0)
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96 st->print("flags(%d) ", flags);
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97 }
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98
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99 void ProfileData::tab(outputStream* st, bool first) const {
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100 st->fill_to(first ? tab_width_one : tab_width_two);
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101 }
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102 #endif // !PRODUCT
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103
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104 // ==================================================================
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105 // BitData
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106 //
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107 // A BitData corresponds to a one-bit flag. This is used to indicate
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108 // whether a checkcast bytecode has seen a null value.
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109
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110
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111 #ifndef PRODUCT
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112 void BitData::print_data_on(outputStream* st) const {
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113 print_shared(st, "BitData");
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114 }
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115 #endif // !PRODUCT
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116
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117 // ==================================================================
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118 // CounterData
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119 //
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120 // A CounterData corresponds to a simple counter.
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121
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122 #ifndef PRODUCT
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123 void CounterData::print_data_on(outputStream* st) const {
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124 print_shared(st, "CounterData");
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125 st->print_cr("count(%u)", count());
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126 }
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127 #endif // !PRODUCT
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128
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129 // ==================================================================
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130 // JumpData
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131 //
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132 // A JumpData is used to access profiling information for a direct
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133 // branch. It is a counter, used for counting the number of branches,
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134 // plus a data displacement, used for realigning the data pointer to
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135 // the corresponding target bci.
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136
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137 void JumpData::post_initialize(BytecodeStream* stream, MethodData* mdo) {
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138 assert(stream->bci() == bci(), "wrong pos");
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139 int target;
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140 Bytecodes::Code c = stream->code();
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141 if (c == Bytecodes::_goto_w || c == Bytecodes::_jsr_w) {
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142 target = stream->dest_w();
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143 } else {
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144 target = stream->dest();
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145 }
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146 int my_di = mdo->dp_to_di(dp());
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147 int target_di = mdo->bci_to_di(target);
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148 int offset = target_di - my_di;
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149 set_displacement(offset);
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150 }
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151
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152 #ifndef PRODUCT
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153 void JumpData::print_data_on(outputStream* st) const {
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154 print_shared(st, "JumpData");
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155 st->print_cr("taken(%u) displacement(%d)", taken(), displacement());
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156 }
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157 #endif // !PRODUCT
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158
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159 int TypeStackSlotEntries::compute_cell_count(Symbol* signature, bool include_receiver, int max) {
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160 // Parameter profiling include the receiver
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161 int args_count = include_receiver ? 1 : 0;
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162 ResourceMark rm;
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163 SignatureStream ss(signature);
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164 args_count += ss.reference_parameter_count();
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165 args_count = MIN2(args_count, max);
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166 return args_count * per_arg_cell_count;
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167 }
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168
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169 int TypeEntriesAtCall::compute_cell_count(BytecodeStream* stream) {
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170 assert(Bytecodes::is_invoke(stream->code()), "should be invoke");
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171 assert(TypeStackSlotEntries::per_arg_count() > ReturnTypeEntry::static_cell_count(), "code to test for arguments/results broken");
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172 Bytecode_invoke inv(stream->method(), stream->bci());
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173 int args_cell = 0;
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174 if (arguments_profiling_enabled()) {
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175 args_cell = TypeStackSlotEntries::compute_cell_count(inv.signature(), false, TypeProfileArgsLimit);
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176 }
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177 int ret_cell = 0;
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178 if (return_profiling_enabled() && (inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY)) {
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179 ret_cell = ReturnTypeEntry::static_cell_count();
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180 }
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181 int header_cell = 0;
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182 if (args_cell + ret_cell > 0) {
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183 header_cell = header_cell_count();
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184 }
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185
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186 return header_cell + args_cell + ret_cell;
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187 }
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188
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189 class ArgumentOffsetComputer : public SignatureInfo {
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190 private:
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191 int _max;
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192 GrowableArray<int> _offsets;
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193
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194 void set(int size, BasicType type) { _size += size; }
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195 void do_object(int begin, int end) {
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diff changeset
196 if (_offsets.length() < _max) {
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diff changeset
197 _offsets.push(_size);
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198 }
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diff changeset
199 SignatureInfo::do_object(begin, end);
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200 }
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diff changeset
201 void do_array (int begin, int end) {
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diff changeset
202 if (_offsets.length() < _max) {
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diff changeset
203 _offsets.push(_size);
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204 }
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diff changeset
205 SignatureInfo::do_array(begin, end);
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206 }
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diff changeset
207
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diff changeset
208 public:
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diff changeset
209 ArgumentOffsetComputer(Symbol* signature, int max)
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diff changeset
210 : SignatureInfo(signature), _max(max), _offsets(Thread::current(), max) {
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211 }
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diff changeset
212
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diff changeset
213 int total() { lazy_iterate_parameters(); return _size; }
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214
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215 int off_at(int i) const { return _offsets.at(i); }
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216 };
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217
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218 void TypeStackSlotEntries::post_initialize(Symbol* signature, bool has_receiver, bool include_receiver) {
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219 ResourceMark rm;
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220 int start = 0;
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221 // Parameter profiling include the receiver
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222 if (include_receiver && has_receiver) {
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223 set_stack_slot(0, 0);
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224 set_type(0, type_none());
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225 start += 1;
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226 }
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227 ArgumentOffsetComputer aos(signature, _number_of_entries-start);
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228 aos.total();
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229 for (int i = start; i < _number_of_entries; i++) {
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230 set_stack_slot(i, aos.off_at(i-start) + (has_receiver ? 1 : 0));
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231 set_type(i, type_none());
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232 }
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233 }
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234
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235 void CallTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) {
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236 assert(Bytecodes::is_invoke(stream->code()), "should be invoke");
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237 Bytecode_invoke inv(stream->method(), stream->bci());
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238
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diff changeset
239 SignatureStream ss(inv.signature());
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240 if (has_arguments()) {
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241 #ifdef ASSERT
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242 ResourceMark rm;
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243 int count = MIN2(ss.reference_parameter_count(), (int)TypeProfileArgsLimit);
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244 assert(count > 0, "room for args type but none found?");
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245 check_number_of_arguments(count);
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246 #endif
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247 _args.post_initialize(inv.signature(), inv.has_receiver(), false);
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248 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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249
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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250 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
251 assert(inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY, "room for a ret type but doesn't return obj?");
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252 _ret.post_initialize();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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253 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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254 }
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diff changeset
255
12882
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diff changeset
256 void VirtualCallTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) {
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diff changeset
257 assert(Bytecodes::is_invoke(stream->code()), "should be invoke");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
258 Bytecode_invoke inv(stream->method(), stream->bci());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
259
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
260 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
261 #ifdef ASSERT
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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262 ResourceMark rm;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
263 SignatureStream ss(inv.signature());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
264 int count = MIN2(ss.reference_parameter_count(), (int)TypeProfileArgsLimit);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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265 assert(count > 0, "room for args type but none found?");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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266 check_number_of_arguments(count);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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267 #endif
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268 _args.post_initialize(inv.signature(), inv.has_receiver(), false);
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269 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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270
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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271 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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272 assert(inv.result_type() == T_OBJECT || inv.result_type() == T_ARRAY, "room for a ret type but doesn't return obj?");
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273 _ret.post_initialize();
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274 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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275 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
276
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277 bool TypeEntries::is_loader_alive(BoolObjectClosure* is_alive_cl, intptr_t p) {
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278 return !is_type_none(p) &&
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279 !((Klass*)klass_part(p))->is_loader_alive(is_alive_cl);
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280 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
281
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diff changeset
282 void TypeStackSlotEntries::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) {
12882
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diff changeset
283 for (int i = 0; i < _number_of_entries; i++) {
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d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
284 intptr_t p = type(i);
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
285 if (is_loader_alive(is_alive_cl, p)) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
286 set_type(i, type_none());
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
287 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
288 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
289 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
290
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
291 void ReturnTypeEntry::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
292 intptr_t p = type();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
293 if (is_loader_alive(is_alive_cl, p)) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
294 set_type(type_none());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
295 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
296 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
297
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
298 bool TypeEntriesAtCall::return_profiling_enabled() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
299 return MethodData::profile_return();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
300 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
301
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
302 bool TypeEntriesAtCall::arguments_profiling_enabled() {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
303 return MethodData::profile_arguments();
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
304 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
305
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
306 #ifndef PRODUCT
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
307 void TypeEntries::print_klass(outputStream* st, intptr_t k) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
308 if (is_type_none(k)) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
309 st->print("none");
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
310 } else if (is_type_unknown(k)) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
311 st->print("unknown");
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
312 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
313 valid_klass(k)->print_value_on(st);
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
314 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
315 if (was_null_seen(k)) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
316 st->print(" (null seen)");
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
317 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
318 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
319
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
320 void TypeStackSlotEntries::print_data_on(outputStream* st) const {
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
321 for (int i = 0; i < _number_of_entries; i++) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
322 _pd->tab(st);
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
323 st->print("%d: stack(%u) ", i, stack_slot(i));
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
324 print_klass(st, type(i));
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
325 st->cr();
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
326 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
327 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
328
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
329 void ReturnTypeEntry::print_data_on(outputStream* st) const {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
330 _pd->tab(st);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
331 print_klass(st, type());
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
332 st->cr();
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
333 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
334
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
335 void CallTypeData::print_data_on(outputStream* st) const {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
336 CounterData::print_data_on(st);
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
337 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
338 tab(st, true);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
339 st->print("argument types");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
340 _args.print_data_on(st);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
341 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
342 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
343 tab(st, true);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
344 st->print("return type");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
345 _ret.print_data_on(st);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
346 }
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
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diff changeset
347 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
348
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
349 void VirtualCallTypeData::print_data_on(outputStream* st) const {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
350 VirtualCallData::print_data_on(st);
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
351 if (has_arguments()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
352 tab(st, true);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
353 st->print("argument types");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
354 _args.print_data_on(st);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
355 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
356 if (has_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
357 tab(st, true);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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diff changeset
358 st->print("return type");
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diff changeset
359 _ret.print_data_on(st);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
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parents: 12875
diff changeset
360 }
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d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
361 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
362 #endif
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
363
0
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parents:
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364 // ==================================================================
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365 // ReceiverTypeData
a61af66fc99e Initial load
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366 //
a61af66fc99e Initial load
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367 // A ReceiverTypeData is used to access profiling information about a
a61af66fc99e Initial load
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parents:
diff changeset
368 // dynamic type check. It consists of a counter which counts the total times
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da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
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parents: 2264
diff changeset
369 // that the check is reached, and a series of (Klass*, count) pairs
0
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parents:
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370 // which are used to store a type profile for the receiver of the check.
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371
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parents: 2264
diff changeset
372 void ReceiverTypeData::clean_weak_klass_links(BoolObjectClosure* is_alive_cl) {
941
8b46c4d82093 4957990: Perm heap bloat in JVM
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parents: 844
diff changeset
373 for (uint row = 0; row < row_limit(); row++) {
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da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
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parents: 2264
diff changeset
374 Klass* p = receiver(row);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
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parents: 2264
diff changeset
375 if (p != NULL && !p->is_loader_alive(is_alive_cl)) {
941
8b46c4d82093 4957990: Perm heap bloat in JVM
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parents: 844
diff changeset
376 clear_row(row);
8b46c4d82093 4957990: Perm heap bloat in JVM
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parents: 844
diff changeset
377 }
8b46c4d82093 4957990: Perm heap bloat in JVM
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parents: 844
diff changeset
378 }
8b46c4d82093 4957990: Perm heap bloat in JVM
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parents: 844
diff changeset
379 }
8b46c4d82093 4957990: Perm heap bloat in JVM
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parents: 844
diff changeset
380
0
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parents:
diff changeset
381 #ifndef PRODUCT
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d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
382 void ReceiverTypeData::print_receiver_data_on(outputStream* st) const {
0
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383 uint row;
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384 int entries = 0;
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parents:
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385 for (row = 0; row < row_limit(); row++) {
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parents:
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386 if (receiver(row) != NULL) entries++;
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parents:
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387 }
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parents:
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388 st->print_cr("count(%u) entries(%u)", count(), entries);
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
389 int total = count();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
390 for (row = 0; row < row_limit(); row++) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
391 if (receiver(row) != NULL) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
392 total += receiver_count(row);
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
393 }
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
394 }
0
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parents:
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395 for (row = 0; row < row_limit(); row++) {
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parents:
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396 if (receiver(row) != NULL) {
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parents:
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397 tab(st);
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398 receiver(row)->print_value_on(st);
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
399 st->print_cr("(%u %4.2f)", receiver_count(row), (float) receiver_count(row) / (float) total);
0
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parents:
diff changeset
400 }
a61af66fc99e Initial load
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parents:
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401 }
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parents:
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402 }
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
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parents: 10376
diff changeset
403 void ReceiverTypeData::print_data_on(outputStream* st) const {
0
a61af66fc99e Initial load
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parents:
diff changeset
404 print_shared(st, "ReceiverTypeData");
a61af66fc99e Initial load
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parents:
diff changeset
405 print_receiver_data_on(st);
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parents:
diff changeset
406 }
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
407 void VirtualCallData::print_data_on(outputStream* st) const {
0
a61af66fc99e Initial load
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parents:
diff changeset
408 print_shared(st, "VirtualCallData");
a61af66fc99e Initial load
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parents:
diff changeset
409 print_receiver_data_on(st);
a61af66fc99e Initial load
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parents:
diff changeset
410 }
a61af66fc99e Initial load
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parents:
diff changeset
411 #endif // !PRODUCT
a61af66fc99e Initial load
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parents:
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412
a61af66fc99e Initial load
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parents:
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413 // ==================================================================
a61af66fc99e Initial load
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parents:
diff changeset
414 // RetData
a61af66fc99e Initial load
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parents:
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415 //
a61af66fc99e Initial load
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parents:
diff changeset
416 // A RetData is used to access profiling information for a ret bytecode.
a61af66fc99e Initial load
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parents:
diff changeset
417 // It is composed of a count of the number of times that the ret has
a61af66fc99e Initial load
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parents:
diff changeset
418 // been executed, followed by a series of triples of the form
a61af66fc99e Initial load
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parents:
diff changeset
419 // (bci, count, di) which count the number of times that some bci was the
a61af66fc99e Initial load
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parents:
diff changeset
420 // target of the ret and cache a corresponding displacement.
a61af66fc99e Initial load
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parents:
diff changeset
421
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da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
422 void RetData::post_initialize(BytecodeStream* stream, MethodData* mdo) {
0
a61af66fc99e Initial load
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parents:
diff changeset
423 for (uint row = 0; row < row_limit(); row++) {
a61af66fc99e Initial load
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parents:
diff changeset
424 set_bci_displacement(row, -1);
a61af66fc99e Initial load
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parents:
diff changeset
425 set_bci(row, no_bci);
a61af66fc99e Initial load
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parents:
diff changeset
426 }
a61af66fc99e Initial load
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parents:
diff changeset
427 // release so other threads see a consistent state. bci is used as
a61af66fc99e Initial load
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parents:
diff changeset
428 // a valid flag for bci_displacement.
a61af66fc99e Initial load
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parents:
diff changeset
429 OrderAccess::release();
a61af66fc99e Initial load
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parents:
diff changeset
430 }
a61af66fc99e Initial load
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parents:
diff changeset
431
a61af66fc99e Initial load
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parents:
diff changeset
432 // This routine needs to atomically update the RetData structure, so the
a61af66fc99e Initial load
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parents:
diff changeset
433 // caller needs to hold the RetData_lock before it gets here. Since taking
a61af66fc99e Initial load
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parents:
diff changeset
434 // the lock can block (and allow GC) and since RetData is a ProfileData is a
a61af66fc99e Initial load
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parents:
diff changeset
435 // wrapper around a derived oop, taking the lock in _this_ method will
a61af66fc99e Initial load
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parents:
diff changeset
436 // basically cause the 'this' pointer's _data field to contain junk after the
a61af66fc99e Initial load
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parents:
diff changeset
437 // lock. We require the caller to take the lock before making the ProfileData
a61af66fc99e Initial load
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parents:
diff changeset
438 // structure. Currently the only caller is InterpreterRuntime::update_mdp_for_ret
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
439 address RetData::fixup_ret(int return_bci, MethodData* h_mdo) {
0
a61af66fc99e Initial load
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parents:
diff changeset
440 // First find the mdp which corresponds to the return bci.
a61af66fc99e Initial load
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parents:
diff changeset
441 address mdp = h_mdo->bci_to_dp(return_bci);
a61af66fc99e Initial load
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parents:
diff changeset
442
a61af66fc99e Initial load
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parents:
diff changeset
443 // Now check to see if any of the cache slots are open.
a61af66fc99e Initial load
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parents:
diff changeset
444 for (uint row = 0; row < row_limit(); row++) {
a61af66fc99e Initial load
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parents:
diff changeset
445 if (bci(row) == no_bci) {
a61af66fc99e Initial load
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parents:
diff changeset
446 set_bci_displacement(row, mdp - dp());
a61af66fc99e Initial load
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parents:
diff changeset
447 set_bci_count(row, DataLayout::counter_increment);
a61af66fc99e Initial load
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parents:
diff changeset
448 // Barrier to ensure displacement is written before the bci; allows
a61af66fc99e Initial load
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parents:
diff changeset
449 // the interpreter to read displacement without fear of race condition.
a61af66fc99e Initial load
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parents:
diff changeset
450 release_set_bci(row, return_bci);
a61af66fc99e Initial load
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parents:
diff changeset
451 break;
a61af66fc99e Initial load
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parents:
diff changeset
452 }
a61af66fc99e Initial load
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parents:
diff changeset
453 }
a61af66fc99e Initial load
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parents:
diff changeset
454 return mdp;
a61af66fc99e Initial load
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parents:
diff changeset
455 }
a61af66fc99e Initial load
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parents:
diff changeset
456
a61af66fc99e Initial load
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parents:
diff changeset
457
a61af66fc99e Initial load
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parents:
diff changeset
458 #ifndef PRODUCT
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
459 void RetData::print_data_on(outputStream* st) const {
0
a61af66fc99e Initial load
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parents:
diff changeset
460 print_shared(st, "RetData");
a61af66fc99e Initial load
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parents:
diff changeset
461 uint row;
a61af66fc99e Initial load
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parents:
diff changeset
462 int entries = 0;
a61af66fc99e Initial load
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parents:
diff changeset
463 for (row = 0; row < row_limit(); row++) {
a61af66fc99e Initial load
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parents:
diff changeset
464 if (bci(row) != no_bci) entries++;
a61af66fc99e Initial load
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parents:
diff changeset
465 }
a61af66fc99e Initial load
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parents:
diff changeset
466 st->print_cr("count(%u) entries(%u)", count(), entries);
a61af66fc99e Initial load
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parents:
diff changeset
467 for (row = 0; row < row_limit(); row++) {
a61af66fc99e Initial load
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parents:
diff changeset
468 if (bci(row) != no_bci) {
a61af66fc99e Initial load
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parents:
diff changeset
469 tab(st);
a61af66fc99e Initial load
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parents:
diff changeset
470 st->print_cr("bci(%d: count(%u) displacement(%d))",
a61af66fc99e Initial load
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parents:
diff changeset
471 bci(row), bci_count(row), bci_displacement(row));
a61af66fc99e Initial load
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parents:
diff changeset
472 }
a61af66fc99e Initial load
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parents:
diff changeset
473 }
a61af66fc99e Initial load
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parents:
diff changeset
474 }
a61af66fc99e Initial load
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parents:
diff changeset
475 #endif // !PRODUCT
a61af66fc99e Initial load
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parents:
diff changeset
476
a61af66fc99e Initial load
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parents:
diff changeset
477 // ==================================================================
a61af66fc99e Initial load
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parents:
diff changeset
478 // BranchData
a61af66fc99e Initial load
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parents:
diff changeset
479 //
a61af66fc99e Initial load
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parents:
diff changeset
480 // A BranchData is used to access profiling data for a two-way branch.
a61af66fc99e Initial load
duke
parents:
diff changeset
481 // It consists of taken and not_taken counts as well as a data displacement
a61af66fc99e Initial load
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parents:
diff changeset
482 // for the taken case.
a61af66fc99e Initial load
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parents:
diff changeset
483
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
484 void BranchData::post_initialize(BytecodeStream* stream, MethodData* mdo) {
0
a61af66fc99e Initial load
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parents:
diff changeset
485 assert(stream->bci() == bci(), "wrong pos");
a61af66fc99e Initial load
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parents:
diff changeset
486 int target = stream->dest();
a61af66fc99e Initial load
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parents:
diff changeset
487 int my_di = mdo->dp_to_di(dp());
a61af66fc99e Initial load
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parents:
diff changeset
488 int target_di = mdo->bci_to_di(target);
a61af66fc99e Initial load
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parents:
diff changeset
489 int offset = target_di - my_di;
a61af66fc99e Initial load
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parents:
diff changeset
490 set_displacement(offset);
a61af66fc99e Initial load
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parents:
diff changeset
491 }
a61af66fc99e Initial load
duke
parents:
diff changeset
492
a61af66fc99e Initial load
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parents:
diff changeset
493 #ifndef PRODUCT
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
494 void BranchData::print_data_on(outputStream* st) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
495 print_shared(st, "BranchData");
a61af66fc99e Initial load
duke
parents:
diff changeset
496 st->print_cr("taken(%u) displacement(%d)",
a61af66fc99e Initial load
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parents:
diff changeset
497 taken(), displacement());
a61af66fc99e Initial load
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parents:
diff changeset
498 tab(st);
a61af66fc99e Initial load
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parents:
diff changeset
499 st->print_cr("not taken(%u)", not_taken());
a61af66fc99e Initial load
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parents:
diff changeset
500 }
a61af66fc99e Initial load
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parents:
diff changeset
501 #endif
a61af66fc99e Initial load
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parents:
diff changeset
502
a61af66fc99e Initial load
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parents:
diff changeset
503 // ==================================================================
a61af66fc99e Initial load
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parents:
diff changeset
504 // MultiBranchData
a61af66fc99e Initial load
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parents:
diff changeset
505 //
a61af66fc99e Initial load
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parents:
diff changeset
506 // A MultiBranchData is used to access profiling information for
a61af66fc99e Initial load
duke
parents:
diff changeset
507 // a multi-way branch (*switch bytecodes). It consists of a series
a61af66fc99e Initial load
duke
parents:
diff changeset
508 // of (count, displacement) pairs, which count the number of times each
a61af66fc99e Initial load
duke
parents:
diff changeset
509 // case was taken and specify the data displacment for each branch target.
a61af66fc99e Initial load
duke
parents:
diff changeset
510
a61af66fc99e Initial load
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parents:
diff changeset
511 int MultiBranchData::compute_cell_count(BytecodeStream* stream) {
a61af66fc99e Initial load
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parents:
diff changeset
512 int cell_count = 0;
a61af66fc99e Initial load
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parents:
diff changeset
513 if (stream->code() == Bytecodes::_tableswitch) {
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
514 Bytecode_tableswitch sw(stream->method()(), stream->bcp());
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
515 cell_count = 1 + per_case_cell_count * (1 + sw.length()); // 1 for default
0
a61af66fc99e Initial load
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parents:
diff changeset
516 } else {
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
517 Bytecode_lookupswitch sw(stream->method()(), stream->bcp());
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
518 cell_count = 1 + per_case_cell_count * (sw.number_of_pairs() + 1); // 1 for default
0
a61af66fc99e Initial load
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parents:
diff changeset
519 }
a61af66fc99e Initial load
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parents:
diff changeset
520 return cell_count;
a61af66fc99e Initial load
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parents:
diff changeset
521 }
a61af66fc99e Initial load
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parents:
diff changeset
522
a61af66fc99e Initial load
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parents:
diff changeset
523 void MultiBranchData::post_initialize(BytecodeStream* stream,
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
524 MethodData* mdo) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
525 assert(stream->bci() == bci(), "wrong pos");
a61af66fc99e Initial load
duke
parents:
diff changeset
526 int target;
a61af66fc99e Initial load
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parents:
diff changeset
527 int my_di;
a61af66fc99e Initial load
duke
parents:
diff changeset
528 int target_di;
a61af66fc99e Initial load
duke
parents:
diff changeset
529 int offset;
a61af66fc99e Initial load
duke
parents:
diff changeset
530 if (stream->code() == Bytecodes::_tableswitch) {
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
531 Bytecode_tableswitch sw(stream->method()(), stream->bcp());
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
532 int len = sw.length();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
533 assert(array_len() == per_case_cell_count * (len + 1), "wrong len");
a61af66fc99e Initial load
duke
parents:
diff changeset
534 for (int count = 0; count < len; count++) {
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
535 target = sw.dest_offset_at(count) + bci();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
536 my_di = mdo->dp_to_di(dp());
a61af66fc99e Initial load
duke
parents:
diff changeset
537 target_di = mdo->bci_to_di(target);
a61af66fc99e Initial load
duke
parents:
diff changeset
538 offset = target_di - my_di;
a61af66fc99e Initial load
duke
parents:
diff changeset
539 set_displacement_at(count, offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
540 }
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
541 target = sw.default_offset() + bci();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
542 my_di = mdo->dp_to_di(dp());
a61af66fc99e Initial load
duke
parents:
diff changeset
543 target_di = mdo->bci_to_di(target);
a61af66fc99e Initial load
duke
parents:
diff changeset
544 offset = target_di - my_di;
a61af66fc99e Initial load
duke
parents:
diff changeset
545 set_default_displacement(offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
546
a61af66fc99e Initial load
duke
parents:
diff changeset
547 } else {
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
548 Bytecode_lookupswitch sw(stream->method()(), stream->bcp());
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
549 int npairs = sw.number_of_pairs();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
550 assert(array_len() == per_case_cell_count * (npairs + 1), "wrong len");
a61af66fc99e Initial load
duke
parents:
diff changeset
551 for (int count = 0; count < npairs; count++) {
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
552 LookupswitchPair pair = sw.pair_at(count);
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
553 target = pair.offset() + bci();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
554 my_di = mdo->dp_to_di(dp());
a61af66fc99e Initial load
duke
parents:
diff changeset
555 target_di = mdo->bci_to_di(target);
a61af66fc99e Initial load
duke
parents:
diff changeset
556 offset = target_di - my_di;
a61af66fc99e Initial load
duke
parents:
diff changeset
557 set_displacement_at(count, offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
558 }
2142
8012aa3ccede 4926272: methodOopDesc::method_from_bcp is unsafe
never
parents: 1972
diff changeset
559 target = sw.default_offset() + bci();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
560 my_di = mdo->dp_to_di(dp());
a61af66fc99e Initial load
duke
parents:
diff changeset
561 target_di = mdo->bci_to_di(target);
a61af66fc99e Initial load
duke
parents:
diff changeset
562 offset = target_di - my_di;
a61af66fc99e Initial load
duke
parents:
diff changeset
563 set_default_displacement(offset);
a61af66fc99e Initial load
duke
parents:
diff changeset
564 }
a61af66fc99e Initial load
duke
parents:
diff changeset
565 }
a61af66fc99e Initial load
duke
parents:
diff changeset
566
a61af66fc99e Initial load
duke
parents:
diff changeset
567 #ifndef PRODUCT
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
568 void MultiBranchData::print_data_on(outputStream* st) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
569 print_shared(st, "MultiBranchData");
a61af66fc99e Initial load
duke
parents:
diff changeset
570 st->print_cr("default_count(%u) displacement(%d)",
a61af66fc99e Initial load
duke
parents:
diff changeset
571 default_count(), default_displacement());
a61af66fc99e Initial load
duke
parents:
diff changeset
572 int cases = number_of_cases();
a61af66fc99e Initial load
duke
parents:
diff changeset
573 for (int i = 0; i < cases; i++) {
a61af66fc99e Initial load
duke
parents:
diff changeset
574 tab(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
575 st->print_cr("count(%u) displacement(%d)",
a61af66fc99e Initial load
duke
parents:
diff changeset
576 count_at(i), displacement_at(i));
a61af66fc99e Initial load
duke
parents:
diff changeset
577 }
a61af66fc99e Initial load
duke
parents:
diff changeset
578 }
a61af66fc99e Initial load
duke
parents:
diff changeset
579 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
580
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
581 #ifndef PRODUCT
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
582 void ArgInfoData::print_data_on(outputStream* st) const {
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
583 print_shared(st, "ArgInfoData");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
584 int nargs = number_of_args();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
585 for (int i = 0; i < nargs; i++) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
586 st->print(" 0x%x", arg_modified(i));
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
587 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
588 st->cr();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
589 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
590
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
591 #endif
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
592
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
593 int ParametersTypeData::compute_cell_count(Method* m) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
594 if (!MethodData::profile_parameters_for_method(m)) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
595 return 0;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
596 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
597 int max = TypeProfileParmsLimit == -1 ? INT_MAX : TypeProfileParmsLimit;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
598 int obj_args = TypeStackSlotEntries::compute_cell_count(m->signature(), !m->is_static(), max);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
599 if (obj_args > 0) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
600 return obj_args + 1; // 1 cell for array len
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
601 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
602 return 0;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
603 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
604
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
605 void ParametersTypeData::post_initialize(BytecodeStream* stream, MethodData* mdo) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
606 _parameters.post_initialize(mdo->method()->signature(), !mdo->method()->is_static(), true);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
607 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
608
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
609 bool ParametersTypeData::profiling_enabled() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
610 return MethodData::profile_parameters();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
611 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
612
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
613 #ifndef PRODUCT
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
614 void ParametersTypeData::print_data_on(outputStream* st) const {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
615 st->print("parameter types");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
616 _parameters.print_data_on(st);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
617 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
618 #endif
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
619
0
a61af66fc99e Initial load
duke
parents:
diff changeset
620 // ==================================================================
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
621 // MethodData*
0
a61af66fc99e Initial load
duke
parents:
diff changeset
622 //
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
623 // A MethodData* holds information which has been collected about
0
a61af66fc99e Initial load
duke
parents:
diff changeset
624 // a method.
a61af66fc99e Initial load
duke
parents:
diff changeset
625
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
626 MethodData* MethodData::allocate(ClassLoaderData* loader_data, methodHandle method, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
627 int size = MethodData::compute_allocation_size_in_words(method);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
628
10376
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 10107
diff changeset
629 return new (loader_data, size, false, MetaspaceObj::MethodDataType, THREAD)
a1ebd310d5c1 8014912: Restore PrintSharedSpaces functionality after NPG
iklam
parents: 10107
diff changeset
630 MethodData(method(), size, CHECK_NULL);
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
631 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
632
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
633 int MethodData::bytecode_cell_count(Bytecodes::Code code) {
8860
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
634 #if defined(COMPILER1) && !defined(COMPILER2)
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
635 return no_profile_data;
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
636 #else
0
a61af66fc99e Initial load
duke
parents:
diff changeset
637 switch (code) {
a61af66fc99e Initial load
duke
parents:
diff changeset
638 case Bytecodes::_checkcast:
a61af66fc99e Initial load
duke
parents:
diff changeset
639 case Bytecodes::_instanceof:
a61af66fc99e Initial load
duke
parents:
diff changeset
640 case Bytecodes::_aastore:
a61af66fc99e Initial load
duke
parents:
diff changeset
641 if (TypeProfileCasts) {
a61af66fc99e Initial load
duke
parents:
diff changeset
642 return ReceiverTypeData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
643 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
644 return BitData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
645 }
a61af66fc99e Initial load
duke
parents:
diff changeset
646 case Bytecodes::_invokespecial:
a61af66fc99e Initial load
duke
parents:
diff changeset
647 case Bytecodes::_invokestatic:
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
648 if (MethodData::profile_arguments() || MethodData::profile_return()) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
649 return variable_cell_count;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
650 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
651 return CounterData::static_cell_count();
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
652 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
653 case Bytecodes::_goto:
a61af66fc99e Initial load
duke
parents:
diff changeset
654 case Bytecodes::_goto_w:
a61af66fc99e Initial load
duke
parents:
diff changeset
655 case Bytecodes::_jsr:
a61af66fc99e Initial load
duke
parents:
diff changeset
656 case Bytecodes::_jsr_w:
a61af66fc99e Initial load
duke
parents:
diff changeset
657 return JumpData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
658 case Bytecodes::_invokevirtual:
a61af66fc99e Initial load
duke
parents:
diff changeset
659 case Bytecodes::_invokeinterface:
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
660 if (MethodData::profile_arguments() || MethodData::profile_return()) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
661 return variable_cell_count;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
662 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
663 return VirtualCallData::static_cell_count();
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
664 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 196
diff changeset
665 case Bytecodes::_invokedynamic:
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
666 if (MethodData::profile_arguments() || MethodData::profile_return()) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
667 return variable_cell_count;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
668 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
669 return CounterData::static_cell_count();
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
670 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
671 case Bytecodes::_ret:
a61af66fc99e Initial load
duke
parents:
diff changeset
672 return RetData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
673 case Bytecodes::_ifeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
674 case Bytecodes::_ifne:
a61af66fc99e Initial load
duke
parents:
diff changeset
675 case Bytecodes::_iflt:
a61af66fc99e Initial load
duke
parents:
diff changeset
676 case Bytecodes::_ifge:
a61af66fc99e Initial load
duke
parents:
diff changeset
677 case Bytecodes::_ifgt:
a61af66fc99e Initial load
duke
parents:
diff changeset
678 case Bytecodes::_ifle:
a61af66fc99e Initial load
duke
parents:
diff changeset
679 case Bytecodes::_if_icmpeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
680 case Bytecodes::_if_icmpne:
a61af66fc99e Initial load
duke
parents:
diff changeset
681 case Bytecodes::_if_icmplt:
a61af66fc99e Initial load
duke
parents:
diff changeset
682 case Bytecodes::_if_icmpge:
a61af66fc99e Initial load
duke
parents:
diff changeset
683 case Bytecodes::_if_icmpgt:
a61af66fc99e Initial load
duke
parents:
diff changeset
684 case Bytecodes::_if_icmple:
a61af66fc99e Initial load
duke
parents:
diff changeset
685 case Bytecodes::_if_acmpeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
686 case Bytecodes::_if_acmpne:
a61af66fc99e Initial load
duke
parents:
diff changeset
687 case Bytecodes::_ifnull:
a61af66fc99e Initial load
duke
parents:
diff changeset
688 case Bytecodes::_ifnonnull:
a61af66fc99e Initial load
duke
parents:
diff changeset
689 return BranchData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
690 case Bytecodes::_lookupswitch:
a61af66fc99e Initial load
duke
parents:
diff changeset
691 case Bytecodes::_tableswitch:
a61af66fc99e Initial load
duke
parents:
diff changeset
692 return variable_cell_count;
a61af66fc99e Initial load
duke
parents:
diff changeset
693 }
a61af66fc99e Initial load
duke
parents:
diff changeset
694 return no_profile_data;
8860
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
695 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
696 }
a61af66fc99e Initial load
duke
parents:
diff changeset
697
a61af66fc99e Initial load
duke
parents:
diff changeset
698 // Compute the size of the profiling information corresponding to
a61af66fc99e Initial load
duke
parents:
diff changeset
699 // the current bytecode.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
700 int MethodData::compute_data_size(BytecodeStream* stream) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
701 int cell_count = bytecode_cell_count(stream->code());
a61af66fc99e Initial load
duke
parents:
diff changeset
702 if (cell_count == no_profile_data) {
a61af66fc99e Initial load
duke
parents:
diff changeset
703 return 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
704 }
a61af66fc99e Initial load
duke
parents:
diff changeset
705 if (cell_count == variable_cell_count) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
706 switch (stream->code()) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
707 case Bytecodes::_lookupswitch:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
708 case Bytecodes::_tableswitch:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
709 cell_count = MultiBranchData::compute_cell_count(stream);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
710 break;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
711 case Bytecodes::_invokespecial:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
712 case Bytecodes::_invokestatic:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
713 case Bytecodes::_invokedynamic:
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
714 assert(MethodData::profile_arguments() || MethodData::profile_return(), "should be collecting args profile");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
715 if (profile_arguments_for_invoke(stream->method(), stream->bci()) ||
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
716 profile_return_for_invoke(stream->method(), stream->bci())) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
717 cell_count = CallTypeData::compute_cell_count(stream);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
718 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
719 cell_count = CounterData::static_cell_count();
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
720 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
721 break;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
722 case Bytecodes::_invokevirtual:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
723 case Bytecodes::_invokeinterface: {
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
724 assert(MethodData::profile_arguments() || MethodData::profile_return(), "should be collecting args profile");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
725 if (profile_arguments_for_invoke(stream->method(), stream->bci()) ||
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
726 profile_return_for_invoke(stream->method(), stream->bci())) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
727 cell_count = VirtualCallTypeData::compute_cell_count(stream);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
728 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
729 cell_count = VirtualCallData::static_cell_count();
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
730 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
731 break;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
732 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
733 default:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
734 fatal("unexpected bytecode for var length profile data");
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
735 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
736 }
a61af66fc99e Initial load
duke
parents:
diff changeset
737 // Note: cell_count might be zero, meaning that there is just
a61af66fc99e Initial load
duke
parents:
diff changeset
738 // a DataLayout header, with no extra cells.
a61af66fc99e Initial load
duke
parents:
diff changeset
739 assert(cell_count >= 0, "sanity");
a61af66fc99e Initial load
duke
parents:
diff changeset
740 return DataLayout::compute_size_in_bytes(cell_count);
a61af66fc99e Initial load
duke
parents:
diff changeset
741 }
a61af66fc99e Initial load
duke
parents:
diff changeset
742
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
743 int MethodData::compute_extra_data_count(int data_size, int empty_bc_count) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
744 if (ProfileTraps) {
a61af66fc99e Initial load
duke
parents:
diff changeset
745 // Assume that up to 3% of BCIs with no MDP will need to allocate one.
a61af66fc99e Initial load
duke
parents:
diff changeset
746 int extra_data_count = (uint)(empty_bc_count * 3) / 128 + 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
747 // If the method is large, let the extra BCIs grow numerous (to ~1%).
a61af66fc99e Initial load
duke
parents:
diff changeset
748 int one_percent_of_data
a61af66fc99e Initial load
duke
parents:
diff changeset
749 = (uint)data_size / (DataLayout::header_size_in_bytes()*128);
a61af66fc99e Initial load
duke
parents:
diff changeset
750 if (extra_data_count < one_percent_of_data)
a61af66fc99e Initial load
duke
parents:
diff changeset
751 extra_data_count = one_percent_of_data;
a61af66fc99e Initial load
duke
parents:
diff changeset
752 if (extra_data_count > empty_bc_count)
a61af66fc99e Initial load
duke
parents:
diff changeset
753 extra_data_count = empty_bc_count; // no need for more
a61af66fc99e Initial load
duke
parents:
diff changeset
754 return extra_data_count;
a61af66fc99e Initial load
duke
parents:
diff changeset
755 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
756 return 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
757 }
a61af66fc99e Initial load
duke
parents:
diff changeset
758 }
a61af66fc99e Initial load
duke
parents:
diff changeset
759
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
760 // Compute the size of the MethodData* necessary to store
0
a61af66fc99e Initial load
duke
parents:
diff changeset
761 // profiling information about a given method. Size is in bytes.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
762 int MethodData::compute_allocation_size_in_bytes(methodHandle method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
763 int data_size = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
764 BytecodeStream stream(method);
a61af66fc99e Initial load
duke
parents:
diff changeset
765 Bytecodes::Code c;
a61af66fc99e Initial load
duke
parents:
diff changeset
766 int empty_bc_count = 0; // number of bytecodes lacking data
a61af66fc99e Initial load
duke
parents:
diff changeset
767 while ((c = stream.next()) >= 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
768 int size_in_bytes = compute_data_size(&stream);
a61af66fc99e Initial load
duke
parents:
diff changeset
769 data_size += size_in_bytes;
a61af66fc99e Initial load
duke
parents:
diff changeset
770 if (size_in_bytes == 0) empty_bc_count += 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
771 }
a61af66fc99e Initial load
duke
parents:
diff changeset
772 int object_size = in_bytes(data_offset()) + data_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
773
a61af66fc99e Initial load
duke
parents:
diff changeset
774 // Add some extra DataLayout cells (at least one) to track stray traps.
a61af66fc99e Initial load
duke
parents:
diff changeset
775 int extra_data_count = compute_extra_data_count(data_size, empty_bc_count);
a61af66fc99e Initial load
duke
parents:
diff changeset
776 object_size += extra_data_count * DataLayout::compute_size_in_bytes(0);
a61af66fc99e Initial load
duke
parents:
diff changeset
777
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
778 // Add a cell to record information about modified arguments.
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
779 int arg_size = method->size_of_parameters();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
780 object_size += DataLayout::compute_size_in_bytes(arg_size+1);
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
781
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
782 // Reserve room for an area of the MDO dedicated to profiling of
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
783 // parameters
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
784 int args_cell = ParametersTypeData::compute_cell_count(method());
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
785 if (args_cell > 0) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
786 object_size += DataLayout::compute_size_in_bytes(args_cell);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
787 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
788 return object_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
789 }
a61af66fc99e Initial load
duke
parents:
diff changeset
790
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
791 // Compute the size of the MethodData* necessary to store
0
a61af66fc99e Initial load
duke
parents:
diff changeset
792 // profiling information about a given method. Size is in words
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
793 int MethodData::compute_allocation_size_in_words(methodHandle method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
794 int byte_size = compute_allocation_size_in_bytes(method);
a61af66fc99e Initial load
duke
parents:
diff changeset
795 int word_size = align_size_up(byte_size, BytesPerWord) / BytesPerWord;
a61af66fc99e Initial load
duke
parents:
diff changeset
796 return align_object_size(word_size);
a61af66fc99e Initial load
duke
parents:
diff changeset
797 }
a61af66fc99e Initial load
duke
parents:
diff changeset
798
a61af66fc99e Initial load
duke
parents:
diff changeset
799 // Initialize an individual data segment. Returns the size of
a61af66fc99e Initial load
duke
parents:
diff changeset
800 // the segment in bytes.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
801 int MethodData::initialize_data(BytecodeStream* stream,
0
a61af66fc99e Initial load
duke
parents:
diff changeset
802 int data_index) {
8860
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
803 #if defined(COMPILER1) && !defined(COMPILER2)
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
804 return 0;
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
805 #else
0
a61af66fc99e Initial load
duke
parents:
diff changeset
806 int cell_count = -1;
a61af66fc99e Initial load
duke
parents:
diff changeset
807 int tag = DataLayout::no_tag;
a61af66fc99e Initial load
duke
parents:
diff changeset
808 DataLayout* data_layout = data_layout_at(data_index);
a61af66fc99e Initial load
duke
parents:
diff changeset
809 Bytecodes::Code c = stream->code();
a61af66fc99e Initial load
duke
parents:
diff changeset
810 switch (c) {
a61af66fc99e Initial load
duke
parents:
diff changeset
811 case Bytecodes::_checkcast:
a61af66fc99e Initial load
duke
parents:
diff changeset
812 case Bytecodes::_instanceof:
a61af66fc99e Initial load
duke
parents:
diff changeset
813 case Bytecodes::_aastore:
a61af66fc99e Initial load
duke
parents:
diff changeset
814 if (TypeProfileCasts) {
a61af66fc99e Initial load
duke
parents:
diff changeset
815 cell_count = ReceiverTypeData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
816 tag = DataLayout::receiver_type_data_tag;
a61af66fc99e Initial load
duke
parents:
diff changeset
817 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
818 cell_count = BitData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
819 tag = DataLayout::bit_data_tag;
a61af66fc99e Initial load
duke
parents:
diff changeset
820 }
a61af66fc99e Initial load
duke
parents:
diff changeset
821 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
822 case Bytecodes::_invokespecial:
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
823 case Bytecodes::_invokestatic: {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
824 int counter_data_cell_count = CounterData::static_cell_count();
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
825 if (profile_arguments_for_invoke(stream->method(), stream->bci()) ||
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
826 profile_return_for_invoke(stream->method(), stream->bci())) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
827 cell_count = CallTypeData::compute_cell_count(stream);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
828 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
829 cell_count = counter_data_cell_count;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
830 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
831 if (cell_count > counter_data_cell_count) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
832 tag = DataLayout::call_type_data_tag;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
833 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
834 tag = DataLayout::counter_data_tag;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
835 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
836 break;
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
837 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
838 case Bytecodes::_goto:
a61af66fc99e Initial load
duke
parents:
diff changeset
839 case Bytecodes::_goto_w:
a61af66fc99e Initial load
duke
parents:
diff changeset
840 case Bytecodes::_jsr:
a61af66fc99e Initial load
duke
parents:
diff changeset
841 case Bytecodes::_jsr_w:
a61af66fc99e Initial load
duke
parents:
diff changeset
842 cell_count = JumpData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
843 tag = DataLayout::jump_data_tag;
a61af66fc99e Initial load
duke
parents:
diff changeset
844 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
845 case Bytecodes::_invokevirtual:
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
846 case Bytecodes::_invokeinterface: {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
847 int virtual_call_data_cell_count = VirtualCallData::static_cell_count();
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
848 if (profile_arguments_for_invoke(stream->method(), stream->bci()) ||
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
849 profile_return_for_invoke(stream->method(), stream->bci())) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
850 cell_count = VirtualCallTypeData::compute_cell_count(stream);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
851 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
852 cell_count = virtual_call_data_cell_count;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
853 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
854 if (cell_count > virtual_call_data_cell_count) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
855 tag = DataLayout::virtual_call_type_data_tag;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
856 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
857 tag = DataLayout::virtual_call_data_tag;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
858 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
859 break;
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
860 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
861 case Bytecodes::_invokedynamic: {
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 196
diff changeset
862 // %%% should make a type profile for any invokedynamic that takes a ref argument
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
863 int counter_data_cell_count = CounterData::static_cell_count();
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
864 if (profile_arguments_for_invoke(stream->method(), stream->bci()) ||
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
865 profile_return_for_invoke(stream->method(), stream->bci())) {
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
866 cell_count = CallTypeData::compute_cell_count(stream);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
867 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
868 cell_count = counter_data_cell_count;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
869 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
870 if (cell_count > counter_data_cell_count) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
871 tag = DataLayout::call_type_data_tag;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
872 } else {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
873 tag = DataLayout::counter_data_tag;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
874 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
parents: 196
diff changeset
875 break;
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
876 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
877 case Bytecodes::_ret:
a61af66fc99e Initial load
duke
parents:
diff changeset
878 cell_count = RetData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
879 tag = DataLayout::ret_data_tag;
a61af66fc99e Initial load
duke
parents:
diff changeset
880 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
881 case Bytecodes::_ifeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
882 case Bytecodes::_ifne:
a61af66fc99e Initial load
duke
parents:
diff changeset
883 case Bytecodes::_iflt:
a61af66fc99e Initial load
duke
parents:
diff changeset
884 case Bytecodes::_ifge:
a61af66fc99e Initial load
duke
parents:
diff changeset
885 case Bytecodes::_ifgt:
a61af66fc99e Initial load
duke
parents:
diff changeset
886 case Bytecodes::_ifle:
a61af66fc99e Initial load
duke
parents:
diff changeset
887 case Bytecodes::_if_icmpeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
888 case Bytecodes::_if_icmpne:
a61af66fc99e Initial load
duke
parents:
diff changeset
889 case Bytecodes::_if_icmplt:
a61af66fc99e Initial load
duke
parents:
diff changeset
890 case Bytecodes::_if_icmpge:
a61af66fc99e Initial load
duke
parents:
diff changeset
891 case Bytecodes::_if_icmpgt:
a61af66fc99e Initial load
duke
parents:
diff changeset
892 case Bytecodes::_if_icmple:
a61af66fc99e Initial load
duke
parents:
diff changeset
893 case Bytecodes::_if_acmpeq:
a61af66fc99e Initial load
duke
parents:
diff changeset
894 case Bytecodes::_if_acmpne:
a61af66fc99e Initial load
duke
parents:
diff changeset
895 case Bytecodes::_ifnull:
a61af66fc99e Initial load
duke
parents:
diff changeset
896 case Bytecodes::_ifnonnull:
a61af66fc99e Initial load
duke
parents:
diff changeset
897 cell_count = BranchData::static_cell_count();
a61af66fc99e Initial load
duke
parents:
diff changeset
898 tag = DataLayout::branch_data_tag;
a61af66fc99e Initial load
duke
parents:
diff changeset
899 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
900 case Bytecodes::_lookupswitch:
a61af66fc99e Initial load
duke
parents:
diff changeset
901 case Bytecodes::_tableswitch:
a61af66fc99e Initial load
duke
parents:
diff changeset
902 cell_count = MultiBranchData::compute_cell_count(stream);
a61af66fc99e Initial load
duke
parents:
diff changeset
903 tag = DataLayout::multi_branch_data_tag;
a61af66fc99e Initial load
duke
parents:
diff changeset
904 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
905 }
a61af66fc99e Initial load
duke
parents:
diff changeset
906 assert(tag == DataLayout::multi_branch_data_tag ||
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
907 ((MethodData::profile_arguments() || MethodData::profile_return()) &&
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
908 (tag == DataLayout::call_type_data_tag ||
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
909 tag == DataLayout::counter_data_tag ||
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
910 tag == DataLayout::virtual_call_type_data_tag ||
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
911 tag == DataLayout::virtual_call_data_tag)) ||
0
a61af66fc99e Initial load
duke
parents:
diff changeset
912 cell_count == bytecode_cell_count(c), "cell counts must agree");
a61af66fc99e Initial load
duke
parents:
diff changeset
913 if (cell_count >= 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
914 assert(tag != DataLayout::no_tag, "bad tag");
a61af66fc99e Initial load
duke
parents:
diff changeset
915 assert(bytecode_has_profile(c), "agree w/ BHP");
a61af66fc99e Initial load
duke
parents:
diff changeset
916 data_layout->initialize(tag, stream->bci(), cell_count);
a61af66fc99e Initial load
duke
parents:
diff changeset
917 return DataLayout::compute_size_in_bytes(cell_count);
a61af66fc99e Initial load
duke
parents:
diff changeset
918 } else {
a61af66fc99e Initial load
duke
parents:
diff changeset
919 assert(!bytecode_has_profile(c), "agree w/ !BHP");
a61af66fc99e Initial load
duke
parents:
diff changeset
920 return 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
921 }
8860
46f6f063b272 7153771: array bound check elimination for c1
roland
parents: 8712
diff changeset
922 #endif
0
a61af66fc99e Initial load
duke
parents:
diff changeset
923 }
a61af66fc99e Initial load
duke
parents:
diff changeset
924
a61af66fc99e Initial load
duke
parents:
diff changeset
925 // Get the data at an arbitrary (sort of) data index.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
926 ProfileData* MethodData::data_at(int data_index) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
927 if (out_of_bounds(data_index)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
928 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
929 }
a61af66fc99e Initial load
duke
parents:
diff changeset
930 DataLayout* data_layout = data_layout_at(data_index);
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
931 return data_layout->data_in();
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
932 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
933
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
934 ProfileData* DataLayout::data_in() {
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
935 switch (tag()) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
936 case DataLayout::no_tag:
a61af66fc99e Initial load
duke
parents:
diff changeset
937 default:
a61af66fc99e Initial load
duke
parents:
diff changeset
938 ShouldNotReachHere();
a61af66fc99e Initial load
duke
parents:
diff changeset
939 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
940 case DataLayout::bit_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
941 return new BitData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
942 case DataLayout::counter_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
943 return new CounterData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
944 case DataLayout::jump_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
945 return new JumpData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
946 case DataLayout::receiver_type_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
947 return new ReceiverTypeData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
948 case DataLayout::virtual_call_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
949 return new VirtualCallData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
950 case DataLayout::ret_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
951 return new RetData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
952 case DataLayout::branch_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
953 return new BranchData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
954 case DataLayout::multi_branch_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
955 return new MultiBranchData(this);
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
956 case DataLayout::arg_info_data_tag:
941
8b46c4d82093 4957990: Perm heap bloat in JVM
ysr
parents: 844
diff changeset
957 return new ArgInfoData(this);
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
958 case DataLayout::call_type_data_tag:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
959 return new CallTypeData(this);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
960 case DataLayout::virtual_call_type_data_tag:
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
961 return new VirtualCallTypeData(this);
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
962 case DataLayout::parameters_type_data_tag:
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
963 return new ParametersTypeData(this);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
964 };
a61af66fc99e Initial load
duke
parents:
diff changeset
965 }
a61af66fc99e Initial load
duke
parents:
diff changeset
966
a61af66fc99e Initial load
duke
parents:
diff changeset
967 // Iteration over data.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
968 ProfileData* MethodData::next_data(ProfileData* current) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
969 int current_index = dp_to_di(current->dp());
a61af66fc99e Initial load
duke
parents:
diff changeset
970 int next_index = current_index + current->size_in_bytes();
a61af66fc99e Initial load
duke
parents:
diff changeset
971 ProfileData* next = data_at(next_index);
a61af66fc99e Initial load
duke
parents:
diff changeset
972 return next;
a61af66fc99e Initial load
duke
parents:
diff changeset
973 }
a61af66fc99e Initial load
duke
parents:
diff changeset
974
a61af66fc99e Initial load
duke
parents:
diff changeset
975 // Give each of the data entries a chance to perform specific
a61af66fc99e Initial load
duke
parents:
diff changeset
976 // data initialization.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
977 void MethodData::post_initialize(BytecodeStream* stream) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
978 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
979 ProfileData* data;
a61af66fc99e Initial load
duke
parents:
diff changeset
980 for (data = first_data(); is_valid(data); data = next_data(data)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
981 stream->set_start(data->bci());
a61af66fc99e Initial load
duke
parents:
diff changeset
982 stream->next();
a61af66fc99e Initial load
duke
parents:
diff changeset
983 data->post_initialize(stream, this);
a61af66fc99e Initial load
duke
parents:
diff changeset
984 }
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
985 if (_parameters_type_data_di != -1) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
986 parameters_type_data()->post_initialize(NULL, this);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
987 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
988 }
a61af66fc99e Initial load
duke
parents:
diff changeset
989
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
990 // Initialize the MethodData* corresponding to a given method.
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
991 MethodData::MethodData(methodHandle method, int size, TRAPS) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
992 No_Safepoint_Verifier no_safepoint; // init function atomic wrt GC
0
a61af66fc99e Initial load
duke
parents:
diff changeset
993 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
994 // Set the method back-pointer.
a61af66fc99e Initial load
duke
parents:
diff changeset
995 _method = method();
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
996
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
997 init();
0
a61af66fc99e Initial load
duke
parents:
diff changeset
998 set_creation_mileage(mileage_of(method()));
a61af66fc99e Initial load
duke
parents:
diff changeset
999
a61af66fc99e Initial load
duke
parents:
diff changeset
1000 // Go through the bytecodes and allocate and initialize the
a61af66fc99e Initial load
duke
parents:
diff changeset
1001 // corresponding data cells.
a61af66fc99e Initial load
duke
parents:
diff changeset
1002 int data_size = 0;
a61af66fc99e Initial load
duke
parents:
diff changeset
1003 int empty_bc_count = 0; // number of bytecodes lacking data
8712
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents: 7956
diff changeset
1004 _data[0] = 0; // apparently not set below.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1005 BytecodeStream stream(method);
a61af66fc99e Initial load
duke
parents:
diff changeset
1006 Bytecodes::Code c;
a61af66fc99e Initial load
duke
parents:
diff changeset
1007 while ((c = stream.next()) >= 0) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1008 int size_in_bytes = initialize_data(&stream, data_size);
a61af66fc99e Initial load
duke
parents:
diff changeset
1009 data_size += size_in_bytes;
a61af66fc99e Initial load
duke
parents:
diff changeset
1010 if (size_in_bytes == 0) empty_bc_count += 1;
a61af66fc99e Initial load
duke
parents:
diff changeset
1011 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1012 _data_size = data_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
1013 int object_size = in_bytes(data_offset()) + data_size;
a61af66fc99e Initial load
duke
parents:
diff changeset
1014
a61af66fc99e Initial load
duke
parents:
diff changeset
1015 // Add some extra DataLayout cells (at least one) to track stray traps.
a61af66fc99e Initial load
duke
parents:
diff changeset
1016 int extra_data_count = compute_extra_data_count(data_size, empty_bc_count);
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1017 int extra_size = extra_data_count * DataLayout::compute_size_in_bytes(0);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1018
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1019 // Add a cell to record information about modified arguments.
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1020 // Set up _args_modified array after traps cells so that
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1021 // the code for traps cells works.
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1022 DataLayout *dp = data_layout_at(data_size + extra_size);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1023
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1024 int arg_size = method->size_of_parameters();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1025 dp->initialize(DataLayout::arg_info_data_tag, 0, arg_size+1);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1026
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1027 int arg_data_size = DataLayout::compute_size_in_bytes(arg_size+1);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1028 object_size += extra_size + arg_data_size;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1029
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1030 int args_cell = ParametersTypeData::compute_cell_count(method());
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1031 // If we are profiling parameters, we reserver an area near the end
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1032 // of the MDO after the slots for bytecodes (because there's no bci
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1033 // for method entry so they don't fit with the framework for the
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1034 // profiling of bytecodes). We store the offset within the MDO of
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1035 // this area (or -1 if no parameter is profiled)
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1036 if (args_cell > 0) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1037 object_size += DataLayout::compute_size_in_bytes(args_cell);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1038 _parameters_type_data_di = data_size + extra_size + arg_data_size;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1039 DataLayout *dp = data_layout_at(data_size + extra_size + arg_data_size);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1040 dp->initialize(DataLayout::parameters_type_data_tag, 0, args_cell);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1041 } else {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1042 _parameters_type_data_di = -1;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1043 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1044
a61af66fc99e Initial load
duke
parents:
diff changeset
1045 // Set an initial hint. Don't use set_hint_di() because
a61af66fc99e Initial load
duke
parents:
diff changeset
1046 // first_di() may be out of bounds if data_size is 0.
a61af66fc99e Initial load
duke
parents:
diff changeset
1047 // In that situation, _hint_di is never used, but at
a61af66fc99e Initial load
duke
parents:
diff changeset
1048 // least well-defined.
a61af66fc99e Initial load
duke
parents:
diff changeset
1049 _hint_di = first_di();
a61af66fc99e Initial load
duke
parents:
diff changeset
1050
a61af66fc99e Initial load
duke
parents:
diff changeset
1051 post_initialize(&stream);
a61af66fc99e Initial load
duke
parents:
diff changeset
1052
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1053 set_size(object_size);
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1054 }
8712
3efdfd6ddbf2 8003553: NPG: metaspace objects should be zeroed in constructors
coleenp
parents: 7956
diff changeset
1055
9080
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1056 void MethodData::init() {
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1057 _invocation_counter.init();
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1058 _backedge_counter.init();
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1059 _invocation_counter_start = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1060 _backedge_counter_start = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1061 _num_loops = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1062 _num_blocks = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1063 _highest_comp_level = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1064 _highest_osr_comp_level = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1065 _would_profile = true;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1066
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1067 // Initialize flags and trap history.
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1068 _nof_decompiles = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1069 _nof_overflow_recompiles = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1070 _nof_overflow_traps = 0;
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1071 clear_escape_info();
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1072 assert(sizeof(_trap_hist) % sizeof(HeapWord) == 0, "align");
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1073 Copy::zero_to_words((HeapWord*) &_trap_hist,
b84fd7d73702 8007288: Additional WB API for compiler's testing
iignatyev
parents: 8860
diff changeset
1074 sizeof(_trap_hist) / sizeof(HeapWord));
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1075 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1076
a61af66fc99e Initial load
duke
parents:
diff changeset
1077 // Get a measure of how much mileage the method has on it.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1078 int MethodData::mileage_of(Method* method) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1079 int mileage = 0;
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
1080 if (TieredCompilation) {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
1081 mileage = MAX2(method->invocation_count(), method->backedge_count());
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
1082 } else {
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
1083 int iic = method->interpreter_invocation_count();
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
1084 if (mileage < iic) mileage = iic;
10105
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1085 MethodCounters* mcs = method->method_counters();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1086 if (mcs != NULL) {
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1087 InvocationCounter* ic = mcs->invocation_counter();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1088 InvocationCounter* bc = mcs->backedge_counter();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1089 int icval = ic->count();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1090 if (ic->carry()) icval += CompileThreshold;
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1091 if (mileage < icval) mileage = icval;
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1092 int bcval = bc->count();
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1093 if (bc->carry()) bcval += CompileThreshold;
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1094 if (mileage < bcval) mileage = bcval;
aeaca88565e6 8010862: The Method counter fields used for profiling can be allocated lazily.
jiangli
parents: 8860
diff changeset
1095 }
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
1096 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1097 return mileage;
a61af66fc99e Initial load
duke
parents:
diff changeset
1098 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1099
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1100 bool MethodData::is_mature() const {
1783
d5d065957597 6953144: Tiered compilation
iveresov
parents: 1552
diff changeset
1101 return CompilationPolicy::policy()->is_mature(_method);
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1102 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1103
a61af66fc99e Initial load
duke
parents:
diff changeset
1104 // Translate a bci to its corresponding data index (di).
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1105 address MethodData::bci_to_dp(int bci) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1106 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
1107 ProfileData* data = data_before(bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1108 ProfileData* prev = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
1109 for ( ; is_valid(data); data = next_data(data)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1110 if (data->bci() >= bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1111 if (data->bci() == bci) set_hint_di(dp_to_di(data->dp()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1112 else if (prev != NULL) set_hint_di(dp_to_di(prev->dp()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1113 return data->dp();
a61af66fc99e Initial load
duke
parents:
diff changeset
1114 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1115 prev = data;
a61af66fc99e Initial load
duke
parents:
diff changeset
1116 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1117 return (address)limit_data_position();
a61af66fc99e Initial load
duke
parents:
diff changeset
1118 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1119
a61af66fc99e Initial load
duke
parents:
diff changeset
1120 // Translate a bci to its corresponding data, or NULL.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1121 ProfileData* MethodData::bci_to_data(int bci) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1122 ProfileData* data = data_before(bci);
a61af66fc99e Initial load
duke
parents:
diff changeset
1123 for ( ; is_valid(data); data = next_data(data)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1124 if (data->bci() == bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1125 set_hint_di(dp_to_di(data->dp()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1126 return data;
a61af66fc99e Initial load
duke
parents:
diff changeset
1127 } else if (data->bci() > bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1128 break;
a61af66fc99e Initial load
duke
parents:
diff changeset
1129 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1130 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1131 return bci_to_extra_data(bci, false);
a61af66fc99e Initial load
duke
parents:
diff changeset
1132 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1133
a61af66fc99e Initial load
duke
parents:
diff changeset
1134 // Translate a bci to its corresponding extra data, or NULL.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1135 ProfileData* MethodData::bci_to_extra_data(int bci, bool create_if_missing) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1136 DataLayout* dp = extra_data_base();
a61af66fc99e Initial load
duke
parents:
diff changeset
1137 DataLayout* end = extra_data_limit();
a61af66fc99e Initial load
duke
parents:
diff changeset
1138 DataLayout* avail = NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
1139 for (; dp < end; dp = next_extra(dp)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1140 // No need for "OrderAccess::load_acquire" ops,
a61af66fc99e Initial load
duke
parents:
diff changeset
1141 // since the data structure is monotonic.
a61af66fc99e Initial load
duke
parents:
diff changeset
1142 if (dp->tag() == DataLayout::no_tag) break;
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1143 if (dp->tag() == DataLayout::arg_info_data_tag) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1144 dp = end; // ArgInfoData is at the end of extra data section.
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1145 break;
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1146 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1147 if (dp->bci() == bci) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1148 assert(dp->tag() == DataLayout::bit_data_tag, "sane");
a61af66fc99e Initial load
duke
parents:
diff changeset
1149 return new BitData(dp);
a61af66fc99e Initial load
duke
parents:
diff changeset
1150 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1151 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1152 if (create_if_missing && dp < end) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1153 // Allocate this one. There is no mutual exclusion,
a61af66fc99e Initial load
duke
parents:
diff changeset
1154 // so two threads could allocate different BCIs to the
a61af66fc99e Initial load
duke
parents:
diff changeset
1155 // same data layout. This means these extra data
a61af66fc99e Initial load
duke
parents:
diff changeset
1156 // records, like most other MDO contents, must not be
a61af66fc99e Initial load
duke
parents:
diff changeset
1157 // trusted too much.
a61af66fc99e Initial load
duke
parents:
diff changeset
1158 DataLayout temp;
a61af66fc99e Initial load
duke
parents:
diff changeset
1159 temp.initialize(DataLayout::bit_data_tag, bci, 0);
a61af66fc99e Initial load
duke
parents:
diff changeset
1160 dp->release_set_header(temp.header());
a61af66fc99e Initial load
duke
parents:
diff changeset
1161 assert(dp->tag() == DataLayout::bit_data_tag, "sane");
a61af66fc99e Initial load
duke
parents:
diff changeset
1162 //NO: assert(dp->bci() == bci, "no concurrent allocation");
a61af66fc99e Initial load
duke
parents:
diff changeset
1163 return new BitData(dp);
a61af66fc99e Initial load
duke
parents:
diff changeset
1164 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1165 return NULL;
a61af66fc99e Initial load
duke
parents:
diff changeset
1166 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1167
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1168 ArgInfoData *MethodData::arg_info() {
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1169 DataLayout* dp = extra_data_base();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1170 DataLayout* end = extra_data_limit();
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1171 for (; dp < end; dp = next_extra(dp)) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1172 if (dp->tag() == DataLayout::arg_info_data_tag)
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1173 return new ArgInfoData(dp);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1174 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1175 return NULL;
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1176 }
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1177
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1178 // Printing
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1179
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1180 #ifndef PRODUCT
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1181
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1182 void MethodData::print_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1183 assert(is_methodData(), "should be method data");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1184 st->print("method data for ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1185 method()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1186 st->cr();
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1187 print_data_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1188 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1189
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1190 #endif //PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1191
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1192 void MethodData::print_value_on(outputStream* st) const {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1193 assert(is_methodData(), "should be method data");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1194 st->print("method data for ");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1195 method()->print_value_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1196 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1197
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1198 #ifndef PRODUCT
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1199 void MethodData::print_data_on(outputStream* st) const {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1200 ResourceMark rm;
a61af66fc99e Initial load
duke
parents:
diff changeset
1201 ProfileData* data = first_data();
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1202 if (_parameters_type_data_di != -1) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1203 parameters_type_data()->print_data_on(st);
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1204 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1205 for ( ; is_valid(data); data = next_data(data)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1206 st->print("%d", dp_to_di(data->dp()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1207 st->fill_to(6);
a61af66fc99e Initial load
duke
parents:
diff changeset
1208 data->print_data_on(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1209 }
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1210 st->print_cr("--- Extra data:");
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1211 DataLayout* dp = extra_data_base();
a61af66fc99e Initial load
duke
parents:
diff changeset
1212 DataLayout* end = extra_data_limit();
a61af66fc99e Initial load
duke
parents:
diff changeset
1213 for (; dp < end; dp = next_extra(dp)) {
a61af66fc99e Initial load
duke
parents:
diff changeset
1214 // No need for "OrderAccess::load_acquire" ops,
a61af66fc99e Initial load
duke
parents:
diff changeset
1215 // since the data structure is monotonic.
45
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1216 if (dp->tag() == DataLayout::no_tag) continue;
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1217 if (dp->tag() == DataLayout::bit_data_tag) {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1218 data = new BitData(dp);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1219 } else {
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1220 assert(dp->tag() == DataLayout::arg_info_data_tag, "must be BitData or ArgInfo");
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1221 data = new ArgInfoData(dp);
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1222 dp = end; // ArgInfoData is at the end of extra data section.
48a3fa21394b 6667615: (Escape Analysis) extend MDO to cache arguments escape state
kvn
parents: 0
diff changeset
1223 }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1224 st->print("%d", dp_to_di(data->dp()));
a61af66fc99e Initial load
duke
parents:
diff changeset
1225 st->fill_to(6);
a61af66fc99e Initial load
duke
parents:
diff changeset
1226 data->print_data_on(st);
a61af66fc99e Initial load
duke
parents:
diff changeset
1227 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1228 }
a61af66fc99e Initial load
duke
parents:
diff changeset
1229 #endif
a61af66fc99e Initial load
duke
parents:
diff changeset
1230
7956
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1231 #if INCLUDE_SERVICES
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1232 // Size Statistics
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1233 void MethodData::collect_statistics(KlassSizeStats *sz) const {
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1234 int n = sz->count(this);
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1235 sz->_method_data_bytes += n;
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1236 sz->_method_all_bytes += n;
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1237 sz->_rw_bytes += n;
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1238 }
16fb9f942703 6479360: PrintClassHistogram improvements
acorn
parents: 6725
diff changeset
1239 #endif // INCLUDE_SERVICES
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1240
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1241 // Verification
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1242
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1243 void MethodData::verify_on(outputStream* st) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1244 guarantee(is_methodData(), "object must be method data");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1245 // guarantee(m->is_perm(), "should be in permspace");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1246 this->verify_data_on(st);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1247 }
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1248
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 2264
diff changeset
1249 void MethodData::verify_data_on(outputStream* st) {
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1250 NEEDS_CLEANUP;
a61af66fc99e Initial load
duke
parents:
diff changeset
1251 // not yet implemented.
a61af66fc99e Initial load
duke
parents:
diff changeset
1252 }
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1253
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1254 bool MethodData::profile_jsr292(methodHandle m, int bci) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1255 if (m->is_compiled_lambda_form()) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1256 return true;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1257 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1258
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1259 Bytecode_invoke inv(m , bci);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1260 return inv.is_invokedynamic() || inv.is_invokehandle();
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1261 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1262
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1263 int MethodData::profile_arguments_flag() {
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1264 return TypeProfileLevel % 10;
12875
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1265 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1266
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1267 bool MethodData::profile_arguments() {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1268 return profile_arguments_flag() > no_type_profile && profile_arguments_flag() <= type_profile_all;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1269 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1270
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1271 bool MethodData::profile_arguments_jsr292_only() {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1272 return profile_arguments_flag() == type_profile_jsr292;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1273 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1274
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1275 bool MethodData::profile_all_arguments() {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1276 return profile_arguments_flag() == type_profile_all;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1277 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1278
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1279 bool MethodData::profile_arguments_for_invoke(methodHandle m, int bci) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1280 if (!profile_arguments()) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1281 return false;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1282 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1283
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1284 if (profile_all_arguments()) {
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1285 return true;
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1286 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1287
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1288 assert(profile_arguments_jsr292_only(), "inconsistent");
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1289 return profile_jsr292(m, bci);
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1290 }
d13d7aba8c12 8023657: New type profiling points: arguments to call
roland
parents: 10376
diff changeset
1291
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1292 int MethodData::profile_return_flag() {
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1293 return (TypeProfileLevel % 100) / 10;
12882
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1294 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1295
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1296 bool MethodData::profile_return() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1297 return profile_return_flag() > no_type_profile && profile_return_flag() <= type_profile_all;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1298 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1299
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1300 bool MethodData::profile_return_jsr292_only() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1301 return profile_return_flag() == type_profile_jsr292;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1302 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1303
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1304 bool MethodData::profile_all_return() {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1305 return profile_return_flag() == type_profile_all;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1306 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1307
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1308 bool MethodData::profile_return_for_invoke(methodHandle m, int bci) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1309 if (!profile_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1310 return false;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1311 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1312
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1313 if (profile_all_return()) {
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1314 return true;
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1315 }
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1316
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1317 assert(profile_return_jsr292_only(), "inconsistent");
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1318 return profile_jsr292(m, bci);
ce0cc25bc5e2 8026054: New type profiling points: type of return values at calls
roland
parents: 12875
diff changeset
1319 }
12962
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1320
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1321 int MethodData::profile_parameters_flag() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1322 return TypeProfileLevel / 100;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1323 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1324
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1325 bool MethodData::profile_parameters() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1326 return profile_parameters_flag() > no_type_profile && profile_parameters_flag() <= type_profile_all;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1327 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1328
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1329 bool MethodData::profile_parameters_jsr292_only() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1330 return profile_parameters_flag() == type_profile_jsr292;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1331 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1332
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1333 bool MethodData::profile_all_parameters() {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1334 return profile_parameters_flag() == type_profile_all;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1335 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1336
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1337 bool MethodData::profile_parameters_for_method(methodHandle m) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1338 if (!profile_parameters()) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1339 return false;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1340 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1341
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1342 if (profile_all_parameters()) {
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1343 return true;
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1344 }
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1345
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1346 assert(profile_parameters_jsr292_only(), "inconsistent");
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1347 return m->is_compiled_lambda_form();
5ccbab1c69f3 8026251: New type profiling points: parameters to methods
roland
parents: 12882
diff changeset
1348 }