Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/methodHandleWalk.cpp @ 1602:136b78722a08
6939203: JSR 292 needs method handle constants
Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.
Reviewed-by: twisti, never
author | jrose |
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date | Wed, 09 Jun 2010 18:50:45 -0700 |
parents | e9ff18c4ace7 |
children | e0ba4e04c839 |
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1 /* |
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2 * Copyright (c) 2008, 2010, 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 /* |
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26 * JSR 292 reference implementation: method handle structure analysis |
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27 */ |
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28 |
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29 #include "incls/_precompiled.incl" |
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30 #include "incls/_methodHandleWalk.cpp.incl" |
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31 |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // MethodHandleChain |
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35 |
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36 void MethodHandleChain::set_method_handle(Handle mh, TRAPS) { |
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37 if (!java_dyn_MethodHandle::is_instance(mh())) lose("bad method handle", CHECK); |
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38 |
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39 // set current method handle and unpack partially |
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40 _method_handle = mh; |
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41 _is_last = false; |
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42 _is_bound = false; |
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43 _arg_slot = -1; |
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44 _arg_type = T_VOID; |
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45 _conversion = -1; |
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46 _last_invoke = Bytecodes::_nop; //arbitrary non-garbage |
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47 |
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48 if (sun_dyn_DirectMethodHandle::is_instance(mh())) { |
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49 set_last_method(mh(), THREAD); |
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50 return; |
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51 } |
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52 if (sun_dyn_AdapterMethodHandle::is_instance(mh())) { |
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53 _conversion = AdapterMethodHandle_conversion(); |
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54 assert(_conversion != -1, "bad conv value"); |
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55 assert(sun_dyn_BoundMethodHandle::is_instance(mh()), "also BMH"); |
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56 } |
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57 if (sun_dyn_BoundMethodHandle::is_instance(mh())) { |
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58 if (!is_adapter()) // keep AMH and BMH separate in this model |
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59 _is_bound = true; |
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60 _arg_slot = BoundMethodHandle_vmargslot(); |
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61 oop target = MethodHandle_vmtarget_oop(); |
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62 if (!is_bound() || java_dyn_MethodHandle::is_instance(target)) { |
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63 _arg_type = compute_bound_arg_type(target, NULL, _arg_slot, CHECK); |
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64 } else if (target != NULL && target->is_method()) { |
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65 methodOop m = (methodOop) target; |
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66 _arg_type = compute_bound_arg_type(NULL, m, _arg_slot, CHECK); |
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67 set_last_method(mh(), CHECK); |
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68 } else { |
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69 _is_bound = false; // lose! |
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70 } |
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71 } |
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72 if (is_bound() && _arg_type == T_VOID) { |
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73 lose("bad vmargslot", CHECK); |
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74 } |
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75 if (!is_bound() && !is_adapter()) { |
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76 lose("unrecognized MH type", CHECK); |
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77 } |
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78 } |
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79 |
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80 |
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81 void MethodHandleChain::set_last_method(oop target, TRAPS) { |
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82 _is_last = true; |
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83 klassOop receiver_limit_oop = NULL; |
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84 int flags = 0; |
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85 methodOop m = MethodHandles::decode_method(target, receiver_limit_oop, flags); |
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86 _last_method = methodHandle(THREAD, m); |
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87 if ((flags & MethodHandles::_dmf_has_receiver) == 0) |
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88 _last_invoke = Bytecodes::_invokestatic; |
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89 else if ((flags & MethodHandles::_dmf_does_dispatch) == 0) |
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90 _last_invoke = Bytecodes::_invokespecial; |
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91 else if ((flags & MethodHandles::_dmf_from_interface) != 0) |
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92 _last_invoke = Bytecodes::_invokeinterface; |
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93 else |
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94 _last_invoke = Bytecodes::_invokevirtual; |
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95 } |
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96 |
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97 |
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98 BasicType MethodHandleChain::compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS) { |
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99 // There is no direct indication of whether the argument is primitive or not. |
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100 // It is implied by the _vmentry code, and by the MethodType of the target. |
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101 // FIXME: Make it explicit MethodHandleImpl refactors out from MethodHandle |
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102 BasicType arg_type = T_VOID; |
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103 if (target != NULL) { |
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104 oop mtype = java_dyn_MethodHandle::type(target); |
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105 int arg_num = MethodHandles::argument_slot_to_argnum(mtype, arg_slot); |
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106 if (arg_num >= 0) { |
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107 oop ptype = java_dyn_MethodType::ptype(mtype, arg_num); |
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108 arg_type = java_lang_Class::as_BasicType(ptype); |
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109 } |
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110 } else if (m != NULL) { |
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111 // figure out the argument type from the slot |
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112 // FIXME: make this explicit in the MH |
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113 int cur_slot = m->size_of_parameters(); |
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114 if (arg_slot >= cur_slot) |
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115 return T_VOID; |
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116 if (!m->is_static()) { |
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117 cur_slot -= type2size[T_OBJECT]; |
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118 if (cur_slot == arg_slot) |
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119 return T_OBJECT; |
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120 } |
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121 for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) { |
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122 BasicType bt = ss.type(); |
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123 cur_slot -= type2size[bt]; |
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124 if (cur_slot <= arg_slot) { |
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125 if (cur_slot == arg_slot) |
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126 arg_type = bt; |
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127 break; |
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128 } |
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129 } |
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130 } |
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131 if (arg_type == T_ARRAY) |
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132 arg_type = T_OBJECT; |
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133 return arg_type; |
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134 } |
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135 |
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136 |
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137 void MethodHandleChain::lose(const char* msg, TRAPS) { |
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138 assert(false, "lose"); |
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139 _lose_message = msg; |
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140 if (!THREAD->is_Java_thread() || ((JavaThread*)THREAD)->thread_state() != _thread_in_vm) { |
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141 // throw a preallocated exception |
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142 THROW_OOP(Universe::virtual_machine_error_instance()); |
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143 } |
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144 THROW_MSG(vmSymbols::java_lang_InternalError(), msg); |
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145 } |
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146 |
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147 |
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148 // ----------------------------------------------------------------------------- |
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149 // MethodHandleWalker |
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150 |
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151 Bytecodes::Code MethodHandleWalker::conversion_code(BasicType src, BasicType dest) { |
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152 if (is_subword_type(src)) { |
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153 src = T_INT; // all subword src types act like int |
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154 } |
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155 if (src == dest) { |
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156 return Bytecodes::_nop; |
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157 } |
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158 |
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159 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d)) |
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160 switch (SRC_DEST(src, dest)) { |
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161 case SRC_DEST(T_INT, T_LONG): return Bytecodes::_i2l; |
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162 case SRC_DEST(T_INT, T_FLOAT): return Bytecodes::_i2f; |
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163 case SRC_DEST(T_INT, T_DOUBLE): return Bytecodes::_i2d; |
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164 case SRC_DEST(T_INT, T_BYTE): return Bytecodes::_i2b; |
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165 case SRC_DEST(T_INT, T_CHAR): return Bytecodes::_i2c; |
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166 case SRC_DEST(T_INT, T_SHORT): return Bytecodes::_i2s; |
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167 |
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168 case SRC_DEST(T_LONG, T_INT): return Bytecodes::_l2i; |
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169 case SRC_DEST(T_LONG, T_FLOAT): return Bytecodes::_l2f; |
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170 case SRC_DEST(T_LONG, T_DOUBLE): return Bytecodes::_l2d; |
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171 |
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172 case SRC_DEST(T_FLOAT, T_INT): return Bytecodes::_f2i; |
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173 case SRC_DEST(T_FLOAT, T_LONG): return Bytecodes::_f2l; |
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174 case SRC_DEST(T_FLOAT, T_DOUBLE): return Bytecodes::_f2d; |
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175 |
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176 case SRC_DEST(T_DOUBLE, T_INT): return Bytecodes::_d2i; |
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177 case SRC_DEST(T_DOUBLE, T_LONG): return Bytecodes::_d2l; |
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178 case SRC_DEST(T_DOUBLE, T_FLOAT): return Bytecodes::_d2f; |
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179 } |
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180 #undef SRC_DEST |
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181 |
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182 // cannot do it in one step, or at all |
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183 return Bytecodes::_illegal; |
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184 } |
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185 |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // MethodHandleWalker::walk |
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189 // |
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190 MethodHandleWalker::ArgToken |
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191 MethodHandleWalker::walk(TRAPS) { |
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192 ArgToken empty = ArgToken(); // Empty return value. |
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193 |
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194 walk_incoming_state(CHECK_(empty)); |
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195 |
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196 for (;;) { |
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197 set_method_handle(chain().method_handle_oop()); |
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198 |
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199 assert(_outgoing_argc == argument_count_slow(), "empty slots under control"); |
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200 |
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201 if (chain().is_adapter()) { |
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202 int conv_op = chain().adapter_conversion_op(); |
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203 int arg_slot = chain().adapter_arg_slot(); |
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204 SlotState* arg_state = slot_state(arg_slot); |
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205 if (arg_state == NULL |
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206 && conv_op > sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) { |
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207 lose("bad argument index", CHECK_(empty)); |
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208 } |
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209 |
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210 // perform the adapter action |
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211 switch (chain().adapter_conversion_op()) { |
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212 case sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY: |
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213 // No changes to arguments; pass the bits through. |
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214 break; |
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215 |
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216 case sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW: { |
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217 // To keep the verifier happy, emit bitwise ("raw") conversions as needed. |
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218 // See MethodHandles::same_basic_type_for_arguments for allowed conversions. |
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219 Handle incoming_mtype(THREAD, chain().method_type_oop()); |
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220 oop outgoing_mh_oop = chain().vmtarget_oop(); |
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221 if (!java_dyn_MethodHandle::is_instance(outgoing_mh_oop)) |
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222 lose("outgoing target not a MethodHandle", CHECK_(empty)); |
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223 Handle outgoing_mtype(THREAD, java_dyn_MethodHandle::type(outgoing_mh_oop)); |
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224 outgoing_mh_oop = NULL; // GC safety |
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225 |
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226 int nptypes = java_dyn_MethodType::ptype_count(outgoing_mtype()); |
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227 if (nptypes != java_dyn_MethodType::ptype_count(incoming_mtype())) |
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228 lose("incoming and outgoing parameter count do not agree", CHECK_(empty)); |
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229 |
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230 for (int i = 0, slot = _outgoing.length() - 1; slot >= 0; slot--) { |
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231 SlotState* arg_state = slot_state(slot); |
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232 if (arg_state->_type == T_VOID) continue; |
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233 ArgToken arg = _outgoing.at(slot)._arg; |
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234 |
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235 klassOop in_klass = NULL; |
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236 klassOop out_klass = NULL; |
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237 BasicType inpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(incoming_mtype(), i), &in_klass); |
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238 BasicType outpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(outgoing_mtype(), i), &out_klass); |
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239 assert(inpbt == arg.basic_type(), "sanity"); |
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240 |
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241 if (inpbt != outpbt) { |
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242 vmIntrinsics::ID iid = vmIntrinsics::for_raw_conversion(inpbt, outpbt); |
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243 if (iid == vmIntrinsics::_none) { |
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244 lose("no raw conversion method", CHECK_(empty)); |
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245 } |
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246 ArgToken arglist[2]; |
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247 arglist[0] = arg; // outgoing 'this' |
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248 arglist[1] = ArgToken(); // sentinel |
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249 arg = make_invoke(NULL, iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK_(empty)); |
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250 change_argument(inpbt, slot, outpbt, arg); |
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251 } |
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252 |
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253 i++; // We need to skip void slots at the top of the loop. |
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254 } |
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255 |
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256 BasicType inrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(incoming_mtype())); |
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257 BasicType outrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(outgoing_mtype())); |
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258 if (inrbt != outrbt) { |
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259 if (inrbt == T_INT && outrbt == T_VOID) { |
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260 // See comments in MethodHandles::same_basic_type_for_arguments. |
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261 } else { |
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262 assert(false, "IMPLEMENT ME"); |
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263 lose("no raw conversion method", CHECK_(empty)); |
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264 } |
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265 } |
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266 break; |
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267 } |
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268 |
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269 case sun_dyn_AdapterMethodHandle::OP_CHECK_CAST: { |
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270 // checkcast the Nth outgoing argument in place |
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271 klassOop dest_klass = NULL; |
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272 BasicType dest = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), &dest_klass); |
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273 assert(dest == T_OBJECT, ""); |
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274 assert(dest == arg_state->_type, ""); |
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275 ArgToken arg = arg_state->_arg; |
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276 ArgToken new_arg = make_conversion(T_OBJECT, dest_klass, Bytecodes::_checkcast, arg, CHECK_(empty)); |
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277 assert(arg.index() == new_arg.index(), "should be the same index"); |
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278 debug_only(dest_klass = (klassOop)badOop); |
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279 break; |
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280 } |
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281 |
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282 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM: { |
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283 // i2l, etc., on the Nth outgoing argument in place |
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284 BasicType src = chain().adapter_conversion_src_type(), |
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285 dest = chain().adapter_conversion_dest_type(); |
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286 Bytecodes::Code bc = conversion_code(src, dest); |
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287 ArgToken arg = arg_state->_arg; |
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288 if (bc == Bytecodes::_nop) { |
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289 break; |
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290 } else if (bc != Bytecodes::_illegal) { |
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291 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
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292 } else if (is_subword_type(dest)) { |
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293 bc = conversion_code(src, T_INT); |
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294 if (bc != Bytecodes::_illegal) { |
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295 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
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296 bc = conversion_code(T_INT, dest); |
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297 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
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298 } |
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299 } |
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300 if (bc == Bytecodes::_illegal) { |
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301 lose("bad primitive conversion", CHECK_(empty)); |
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302 } |
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303 change_argument(src, arg_slot, dest, arg); |
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304 break; |
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305 } |
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306 |
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307 case sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM: { |
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308 // checkcast to wrapper type & call intValue, etc. |
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309 BasicType dest = chain().adapter_conversion_dest_type(); |
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310 ArgToken arg = arg_state->_arg; |
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311 arg = make_conversion(T_OBJECT, SystemDictionary::box_klass(dest), |
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312 Bytecodes::_checkcast, arg, CHECK_(empty)); |
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313 vmIntrinsics::ID unboxer = vmIntrinsics::for_unboxing(dest); |
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314 if (unboxer == vmIntrinsics::_none) { |
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315 lose("no unboxing method", CHECK_(empty)); |
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316 } |
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317 ArgToken arglist[2]; |
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318 arglist[0] = arg; // outgoing 'this' |
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319 arglist[1] = ArgToken(); // sentinel |
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320 arg = make_invoke(NULL, unboxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty)); |
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321 change_argument(T_OBJECT, arg_slot, dest, arg); |
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322 break; |
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323 } |
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324 |
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325 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_REF: { |
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326 // call wrapper type.valueOf |
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327 BasicType src = chain().adapter_conversion_src_type(); |
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328 ArgToken arg = arg_state->_arg; |
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329 vmIntrinsics::ID boxer = vmIntrinsics::for_boxing(src); |
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330 if (boxer == vmIntrinsics::_none) { |
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331 lose("no boxing method", CHECK_(empty)); |
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332 } |
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333 ArgToken arglist[2]; |
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334 arglist[0] = arg; // outgoing value |
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335 arglist[1] = ArgToken(); // sentinel |
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336 assert(false, "I think the argument count must be 1 instead of 0"); |
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337 arg = make_invoke(NULL, boxer, Bytecodes::_invokevirtual, false, 0, &arglist[0], CHECK_(empty)); |
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338 change_argument(src, arg_slot, T_OBJECT, arg); |
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339 break; |
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340 } |
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341 |
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342 case sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS: { |
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343 int dest_arg_slot = chain().adapter_conversion_vminfo(); |
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344 if (!slot_has_argument(dest_arg_slot)) { |
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345 lose("bad swap index", CHECK_(empty)); |
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346 } |
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347 // a simple swap between two arguments |
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348 SlotState* dest_arg_state = slot_state(dest_arg_slot); |
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349 SlotState temp = (*dest_arg_state); |
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350 (*dest_arg_state) = (*arg_state); |
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351 (*arg_state) = temp; |
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352 break; |
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353 } |
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354 |
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355 case sun_dyn_AdapterMethodHandle::OP_ROT_ARGS: { |
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356 int dest_arg_slot = chain().adapter_conversion_vminfo(); |
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357 if (!slot_has_argument(dest_arg_slot) || arg_slot == dest_arg_slot) { |
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358 lose("bad rotate index", CHECK_(empty)); |
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359 } |
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360 SlotState* dest_arg_state = slot_state(dest_arg_slot); |
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361 // Rotate the source argument (plus following N slots) into the |
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362 // position occupied by the dest argument (plus following N slots). |
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363 int rotate_count = type2size[dest_arg_state->_type]; |
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364 // (no other rotate counts are currently supported) |
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365 if (arg_slot < dest_arg_slot) { |
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366 for (int i = 0; i < rotate_count; i++) { |
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367 SlotState temp = _outgoing.at(arg_slot); |
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368 _outgoing.remove_at(arg_slot); |
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369 _outgoing.insert_before(dest_arg_slot + rotate_count - 1, temp); |
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370 } |
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371 } else { // arg_slot > dest_arg_slot |
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372 for (int i = 0; i < rotate_count; i++) { |
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373 SlotState temp = _outgoing.at(arg_slot + rotate_count - 1); |
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374 _outgoing.remove_at(arg_slot + rotate_count - 1); |
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375 _outgoing.insert_before(dest_arg_slot, temp); |
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376 } |
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377 } |
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378 break; |
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379 } |
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380 |
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381 case sun_dyn_AdapterMethodHandle::OP_DUP_ARGS: { |
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382 int dup_slots = chain().adapter_conversion_stack_pushes(); |
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383 if (dup_slots <= 0) { |
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384 lose("bad dup count", CHECK_(empty)); |
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385 } |
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386 for (int i = 0; i < dup_slots; i++) { |
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387 SlotState* dup = slot_state(arg_slot + 2*i); |
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388 if (dup == NULL) break; // safety net |
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389 if (dup->_type != T_VOID) _outgoing_argc += 1; |
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390 _outgoing.insert_before(i, (*dup)); |
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391 } |
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392 break; |
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393 } |
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394 |
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395 case sun_dyn_AdapterMethodHandle::OP_DROP_ARGS: { |
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396 int drop_slots = -chain().adapter_conversion_stack_pushes(); |
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397 if (drop_slots <= 0) { |
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398 lose("bad drop count", CHECK_(empty)); |
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399 } |
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400 for (int i = 0; i < drop_slots; i++) { |
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401 SlotState* drop = slot_state(arg_slot); |
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402 if (drop == NULL) break; // safety net |
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403 if (drop->_type != T_VOID) _outgoing_argc -= 1; |
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404 _outgoing.remove_at(arg_slot); |
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405 } |
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406 break; |
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407 } |
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408 |
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409 case sun_dyn_AdapterMethodHandle::OP_COLLECT_ARGS: { //NYI, may GC |
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410 lose("unimplemented", CHECK_(empty)); |
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411 break; |
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412 } |
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413 |
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414 case sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS: { |
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415 klassOop array_klass_oop = NULL; |
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416 BasicType array_type = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), |
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417 &array_klass_oop); |
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418 assert(array_type == T_OBJECT, ""); |
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419 assert(Klass::cast(array_klass_oop)->oop_is_array(), ""); |
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420 arrayKlassHandle array_klass(THREAD, array_klass_oop); |
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421 debug_only(array_klass_oop = (klassOop)badOop); |
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422 |
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423 klassOop element_klass_oop = NULL; |
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424 BasicType element_type = java_lang_Class::as_BasicType(array_klass->component_mirror(), |
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425 &element_klass_oop); |
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426 KlassHandle element_klass(THREAD, element_klass_oop); |
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427 debug_only(element_klass_oop = (klassOop)badOop); |
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428 |
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429 // Fetch the argument, which we will cast to the required array type. |
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430 assert(arg_state->_type == T_OBJECT, ""); |
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431 ArgToken array_arg = arg_state->_arg; |
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432 array_arg = make_conversion(T_OBJECT, array_klass(), Bytecodes::_checkcast, array_arg, CHECK_(empty)); |
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433 change_argument(T_OBJECT, arg_slot, T_VOID, ArgToken(tt_void)); |
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434 |
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435 // Check the required length. |
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436 int spread_slots = 1 + chain().adapter_conversion_stack_pushes(); |
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437 int spread_length = spread_slots; |
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438 if (type2size[element_type] == 2) { |
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439 if (spread_slots % 2 != 0) spread_slots = -1; // force error |
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440 spread_length = spread_slots / 2; |
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441 } |
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442 if (spread_slots < 0) { |
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443 lose("bad spread length", CHECK_(empty)); |
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444 } |
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445 |
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446 jvalue length_jvalue; length_jvalue.i = spread_length; |
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447 ArgToken length_arg = make_prim_constant(T_INT, &length_jvalue, CHECK_(empty)); |
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448 // Call a built-in method known to the JVM to validate the length. |
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449 ArgToken arglist[3]; |
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450 arglist[0] = array_arg; // value to check |
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451 arglist[1] = length_arg; // length to check |
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452 arglist[2] = ArgToken(); // sentinel |
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453 make_invoke(NULL, vmIntrinsics::_checkSpreadArgument, |
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454 Bytecodes::_invokestatic, false, 3, &arglist[0], CHECK_(empty)); |
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455 |
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456 // Spread out the array elements. |
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457 Bytecodes::Code aload_op = Bytecodes::_aaload; |
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458 if (element_type != T_OBJECT) { |
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459 lose("primitive array NYI", CHECK_(empty)); |
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460 } |
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461 int ap = arg_slot; |
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462 for (int i = 0; i < spread_length; i++) { |
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463 jvalue offset_jvalue; offset_jvalue.i = i; |
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464 ArgToken offset_arg = make_prim_constant(T_INT, &offset_jvalue, CHECK_(empty)); |
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465 ArgToken element_arg = make_fetch(element_type, element_klass(), aload_op, array_arg, offset_arg, CHECK_(empty)); |
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466 change_argument(T_VOID, ap, element_type, element_arg); |
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467 ap += type2size[element_type]; |
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468 } |
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469 break; |
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470 } |
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471 |
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472 case sun_dyn_AdapterMethodHandle::OP_FLYBY: //NYI, runs Java code |
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473 case sun_dyn_AdapterMethodHandle::OP_RICOCHET: //NYI, runs Java code |
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474 lose("unimplemented", CHECK_(empty)); |
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475 break; |
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476 |
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477 default: |
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478 lose("bad adapter conversion", CHECK_(empty)); |
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479 break; |
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480 } |
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481 } |
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482 |
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483 if (chain().is_bound()) { |
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484 // push a new argument |
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485 BasicType arg_type = chain().bound_arg_type(); |
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486 jint arg_slot = chain().bound_arg_slot(); |
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487 oop arg_oop = chain().bound_arg_oop(); |
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488 ArgToken arg; |
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489 if (arg_type == T_OBJECT) { |
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490 arg = make_oop_constant(arg_oop, CHECK_(empty)); |
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491 } else { |
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492 jvalue arg_value; |
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493 BasicType bt = java_lang_boxing_object::get_value(arg_oop, &arg_value); |
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494 if (bt == arg_type) { |
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495 arg = make_prim_constant(arg_type, &arg_value, CHECK_(empty)); |
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496 } else { |
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497 lose("bad bound value", CHECK_(empty)); |
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498 } |
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499 } |
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500 debug_only(arg_oop = badOop); |
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501 change_argument(T_VOID, arg_slot, arg_type, arg); |
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502 } |
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503 |
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504 // this test must come after the body of the loop |
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505 if (!chain().is_last()) { |
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506 chain().next(CHECK_(empty)); |
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507 } else { |
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508 break; |
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509 } |
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510 } |
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511 |
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diff
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|
512 // finish the sequence with a tail-call to the ultimate target |
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513 // parameters are passed in logical order (recv 1st), not slot order |
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514 ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, _outgoing.length() + 1); |
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515 int ap = 0; |
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516 for (int i = _outgoing.length() - 1; i >= 0; i--) { |
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517 SlotState* arg_state = slot_state(i); |
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518 if (arg_state->_type == T_VOID) continue; |
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519 arglist[ap++] = _outgoing.at(i)._arg; |
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520 } |
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521 assert(ap == _outgoing_argc, ""); |
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522 arglist[ap] = ArgToken(); // add a sentinel, for the sake of asserts |
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523 return make_invoke(chain().last_method_oop(), |
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6894206: JVM needs a way to traverse method handle structures
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524 vmIntrinsics::_none, |
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6894206: JVM needs a way to traverse method handle structures
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525 chain().last_invoke_code(), true, |
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6894206: JVM needs a way to traverse method handle structures
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526 ap, arglist, THREAD); |
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527 } |
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528 |
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529 |
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|
530 // ----------------------------------------------------------------------------- |
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|
531 // MethodHandleWalker::walk_incoming_state |
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532 // |
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533 void MethodHandleWalker::walk_incoming_state(TRAPS) { |
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534 Handle mtype(THREAD, chain().method_type_oop()); |
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535 int nptypes = java_dyn_MethodType::ptype_count(mtype()); |
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536 _outgoing_argc = nptypes; |
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537 int argp = nptypes - 1; |
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538 if (argp >= 0) { |
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539 _outgoing.at_grow(argp, make_state(T_VOID, ArgToken(tt_void))); // presize |
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540 } |
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541 for (int i = 0; i < nptypes; i++) { |
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542 klassOop arg_type_klass = NULL; |
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diff
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543 BasicType arg_type = java_lang_Class::as_BasicType( |
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544 java_dyn_MethodType::ptype(mtype(), i), &arg_type_klass); |
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545 int index = new_local_index(arg_type); |
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546 ArgToken arg = make_parameter(arg_type, arg_type_klass, index, CHECK); |
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547 debug_only(arg_type_klass = (klassOop) NULL); |
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548 _outgoing.at_put(argp, make_state(arg_type, arg)); |
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549 if (type2size[arg_type] == 2) { |
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550 // add the extra slot, so we can model the JVM stack |
1138
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551 _outgoing.insert_before(argp+1, make_state(T_VOID, ArgToken(tt_void))); |
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552 } |
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553 --argp; |
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554 } |
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555 // call make_parameter at the end of the list for the return type |
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556 klassOop ret_type_klass = NULL; |
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557 BasicType ret_type = java_lang_Class::as_BasicType( |
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558 java_dyn_MethodType::rtype(mtype()), &ret_type_klass); |
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559 ArgToken ret = make_parameter(ret_type, ret_type_klass, -1, CHECK); |
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560 // ignore ret; client can catch it if needed |
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561 } |
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562 |
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563 |
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564 // ----------------------------------------------------------------------------- |
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565 // MethodHandleWalker::change_argument |
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566 // |
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567 // This is messy because some kinds of arguments are paired with |
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568 // companion slots containing an empty value. |
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569 void MethodHandleWalker::change_argument(BasicType old_type, int slot, BasicType new_type, |
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570 const ArgToken& new_arg) { |
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571 int old_size = type2size[old_type]; |
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572 int new_size = type2size[new_type]; |
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573 if (old_size == new_size) { |
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574 // simple case first |
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575 _outgoing.at_put(slot, make_state(new_type, new_arg)); |
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576 } else if (old_size > new_size) { |
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577 for (int i = old_size - 1; i >= new_size; i--) { |
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578 assert((i != 0) == (_outgoing.at(slot + i)._type == T_VOID), ""); |
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579 _outgoing.remove_at(slot + i); |
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580 } |
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581 if (new_size > 0) |
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582 _outgoing.at_put(slot, make_state(new_type, new_arg)); |
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583 else |
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584 _outgoing_argc -= 1; // deleted a real argument |
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585 } else { |
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586 for (int i = old_size; i < new_size; i++) { |
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587 _outgoing.insert_before(slot + i, make_state(T_VOID, ArgToken(tt_void))); |
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588 } |
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589 _outgoing.at_put(slot, make_state(new_type, new_arg)); |
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590 if (old_size == 0) |
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591 _outgoing_argc += 1; // inserted a real argument |
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592 } |
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593 } |
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594 |
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595 |
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596 #ifdef ASSERT |
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597 int MethodHandleWalker::argument_count_slow() { |
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598 int args_seen = 0; |
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599 for (int i = _outgoing.length() - 1; i >= 0; i--) { |
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600 if (_outgoing.at(i)._type != T_VOID) { |
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601 ++args_seen; |
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602 } |
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603 } |
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604 return args_seen; |
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605 } |
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606 #endif |
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607 |
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608 |
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609 // ----------------------------------------------------------------------------- |
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610 // MethodHandleCompiler |
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611 |
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612 MethodHandleCompiler::MethodHandleCompiler(Handle root, methodHandle callee, bool is_invokedynamic, TRAPS) |
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613 : MethodHandleWalker(root, is_invokedynamic, THREAD), |
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614 _callee(callee), |
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615 _thread(THREAD), |
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616 _bytecode(THREAD, 50), |
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617 _constants(THREAD, 10), |
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618 _cur_stack(0), |
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619 _max_stack(0), |
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620 _rtype(T_ILLEGAL) |
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621 { |
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622 |
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623 // Element zero is always the null constant. |
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624 (void) _constants.append(NULL); |
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625 |
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626 // Set name and signature index. |
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627 _name_index = cpool_symbol_put(_callee->name()); |
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628 _signature_index = cpool_symbol_put(_callee->signature()); |
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629 |
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630 // Get return type klass. |
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631 Handle first_mtype(THREAD, chain().method_type_oop()); |
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632 // _rklass is NULL for primitives. |
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633 _rtype = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(first_mtype()), &_rklass); |
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634 if (_rtype == T_ARRAY) _rtype = T_OBJECT; |
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635 |
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636 int params = _callee->size_of_parameters(); // Incoming arguments plus receiver. |
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637 _num_params = for_invokedynamic() ? params - 1 : params; // XXX Check if callee is static? |
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638 } |
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639 |
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640 |
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641 // ----------------------------------------------------------------------------- |
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642 // MethodHandleCompiler::compile |
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643 // |
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644 // Compile this MethodHandle into a bytecode adapter and return a |
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645 // methodOop. |
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646 methodHandle MethodHandleCompiler::compile(TRAPS) { |
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647 assert(_thread == THREAD, "must be same thread"); |
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648 methodHandle nullHandle; |
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649 (void) walk(CHECK_(nullHandle)); |
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650 return get_method_oop(CHECK_(nullHandle)); |
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651 } |
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652 |
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653 |
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654 void MethodHandleCompiler::emit_bc(Bytecodes::Code op, int index) { |
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655 Bytecodes::check(op); // Are we legal? |
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656 |
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657 switch (op) { |
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658 // b |
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659 case Bytecodes::_aconst_null: |
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660 case Bytecodes::_iconst_m1: |
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661 case Bytecodes::_iconst_0: |
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662 case Bytecodes::_iconst_1: |
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663 case Bytecodes::_iconst_2: |
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664 case Bytecodes::_iconst_3: |
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665 case Bytecodes::_iconst_4: |
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666 case Bytecodes::_iconst_5: |
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667 case Bytecodes::_lconst_0: |
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668 case Bytecodes::_lconst_1: |
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669 case Bytecodes::_fconst_0: |
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670 case Bytecodes::_fconst_1: |
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671 case Bytecodes::_fconst_2: |
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672 case Bytecodes::_dconst_0: |
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673 case Bytecodes::_dconst_1: |
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674 case Bytecodes::_iload_0: |
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675 case Bytecodes::_iload_1: |
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676 case Bytecodes::_iload_2: |
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677 case Bytecodes::_iload_3: |
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678 case Bytecodes::_lload_0: |
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679 case Bytecodes::_lload_1: |
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680 case Bytecodes::_lload_2: |
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681 case Bytecodes::_lload_3: |
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682 case Bytecodes::_fload_0: |
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683 case Bytecodes::_fload_1: |
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684 case Bytecodes::_fload_2: |
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685 case Bytecodes::_fload_3: |
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686 case Bytecodes::_dload_0: |
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687 case Bytecodes::_dload_1: |
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688 case Bytecodes::_dload_2: |
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689 case Bytecodes::_dload_3: |
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690 case Bytecodes::_aload_0: |
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|
691 case Bytecodes::_aload_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
692 case Bytecodes::_aload_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
693 case Bytecodes::_aload_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
694 case Bytecodes::_istore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
695 case Bytecodes::_istore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
696 case Bytecodes::_istore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
697 case Bytecodes::_istore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
698 case Bytecodes::_lstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
699 case Bytecodes::_lstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
700 case Bytecodes::_lstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
701 case Bytecodes::_lstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
702 case Bytecodes::_fstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
703 case Bytecodes::_fstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
704 case Bytecodes::_fstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
705 case Bytecodes::_fstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
706 case Bytecodes::_dstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
707 case Bytecodes::_dstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
708 case Bytecodes::_dstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
709 case Bytecodes::_dstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
710 case Bytecodes::_astore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
711 case Bytecodes::_astore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
712 case Bytecodes::_astore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
713 case Bytecodes::_astore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
714 case Bytecodes::_i2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
715 case Bytecodes::_i2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
716 case Bytecodes::_i2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
717 case Bytecodes::_i2b: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
718 case Bytecodes::_i2c: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
719 case Bytecodes::_i2s: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
720 case Bytecodes::_l2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
721 case Bytecodes::_l2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
722 case Bytecodes::_l2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
723 case Bytecodes::_f2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
724 case Bytecodes::_f2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
725 case Bytecodes::_f2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
726 case Bytecodes::_d2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
727 case Bytecodes::_d2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
728 case Bytecodes::_d2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
729 case Bytecodes::_ireturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
730 case Bytecodes::_lreturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
731 case Bytecodes::_freturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
732 case Bytecodes::_dreturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
733 case Bytecodes::_areturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
734 case Bytecodes::_return: |
1565 | 735 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_b, "wrong bytecode format"); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
736 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
737 break; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
738 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
739 // bi |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
740 case Bytecodes::_ldc: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
741 case Bytecodes::_iload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
742 case Bytecodes::_lload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
743 case Bytecodes::_fload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
744 case Bytecodes::_dload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
745 case Bytecodes::_aload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
746 case Bytecodes::_istore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
747 case Bytecodes::_lstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
748 case Bytecodes::_fstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
749 case Bytecodes::_dstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
750 case Bytecodes::_astore: |
1565 | 751 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bi, "wrong bytecode format"); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
752 assert((char) index == index, "index does not fit in 8-bit"); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
753 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
754 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
755 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
756 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
757 // bii |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
758 case Bytecodes::_ldc2_w: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
759 case Bytecodes::_checkcast: |
1565 | 760 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bkk, "wrong bytecode format"); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
761 assert((short) index == index, "index does not fit in 16-bit"); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
762 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
763 _bytecode.push(index >> 8); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
764 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
765 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
766 |
1565 | 767 // bJJ |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
768 case Bytecodes::_invokestatic: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
769 case Bytecodes::_invokespecial: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
770 case Bytecodes::_invokevirtual: |
1565 | 771 assert(Bytecodes::format_bits(op, false) == Bytecodes::_fmt_bJJ, "wrong bytecode format"); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
772 assert((short) index == index, "index does not fit in 16-bit"); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
773 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
774 _bytecode.push(index >> 8); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
775 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
776 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
777 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
778 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
779 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
780 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
781 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
782 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
783 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
784 void MethodHandleCompiler::emit_load(BasicType bt, int index) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
785 if (index <= 3) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
786 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
787 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
788 case T_INT: emit_bc(Bytecodes::cast(Bytecodes::_iload_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
789 case T_LONG: emit_bc(Bytecodes::cast(Bytecodes::_lload_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
790 case T_FLOAT: emit_bc(Bytecodes::cast(Bytecodes::_fload_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
791 case T_DOUBLE: emit_bc(Bytecodes::cast(Bytecodes::_dload_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
792 case T_OBJECT: emit_bc(Bytecodes::cast(Bytecodes::_aload_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
793 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
794 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
795 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
796 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
797 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
798 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
799 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
800 case T_INT: emit_bc(Bytecodes::_iload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
801 case T_LONG: emit_bc(Bytecodes::_lload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
802 case T_FLOAT: emit_bc(Bytecodes::_fload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
803 case T_DOUBLE: emit_bc(Bytecodes::_dload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
804 case T_OBJECT: emit_bc(Bytecodes::_aload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
805 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
806 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
807 } |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
808 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
809 stack_push(bt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
810 } |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
811 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
812 void MethodHandleCompiler::emit_store(BasicType bt, int index) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
813 if (index <= 3) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
814 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
815 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
816 case T_INT: emit_bc(Bytecodes::cast(Bytecodes::_istore_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
817 case T_LONG: emit_bc(Bytecodes::cast(Bytecodes::_lstore_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
818 case T_FLOAT: emit_bc(Bytecodes::cast(Bytecodes::_fstore_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
819 case T_DOUBLE: emit_bc(Bytecodes::cast(Bytecodes::_dstore_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
820 case T_OBJECT: emit_bc(Bytecodes::cast(Bytecodes::_astore_0 + index)); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
821 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
822 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
823 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
824 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
825 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
826 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
827 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
828 case T_INT: emit_bc(Bytecodes::_istore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
829 case T_LONG: emit_bc(Bytecodes::_lstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
830 case T_FLOAT: emit_bc(Bytecodes::_fstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
831 case T_DOUBLE: emit_bc(Bytecodes::_dstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
832 case T_OBJECT: emit_bc(Bytecodes::_astore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
833 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
834 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
835 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
836 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
837 stack_pop(bt); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
838 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
839 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
840 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
841 void MethodHandleCompiler::emit_load_constant(ArgToken arg) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
842 BasicType bt = arg.basic_type(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
843 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
844 case T_INT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
845 jint value = arg.get_jint(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
846 if (-1 <= value && value <= 5) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
847 emit_bc(Bytecodes::cast(Bytecodes::_iconst_0 + value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
848 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
849 emit_bc(Bytecodes::_ldc, cpool_int_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
850 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
851 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
852 case T_LONG: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
853 jlong value = arg.get_jlong(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
854 if (0 <= value && value <= 1) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
855 emit_bc(Bytecodes::cast(Bytecodes::_lconst_0 + (int) value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
856 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
857 emit_bc(Bytecodes::_ldc2_w, cpool_long_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
858 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
859 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
860 case T_FLOAT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
861 jfloat value = arg.get_jfloat(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
862 if (value == 0.0 || value == 1.0 || value == 2.0) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
863 emit_bc(Bytecodes::cast(Bytecodes::_fconst_0 + (int) value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
864 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
865 emit_bc(Bytecodes::_ldc, cpool_float_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
866 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
867 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
868 case T_DOUBLE: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
869 jdouble value = arg.get_jdouble(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
870 if (value == 0.0 || value == 1.0) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
871 emit_bc(Bytecodes::cast(Bytecodes::_dconst_0 + (int) value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
872 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
873 emit_bc(Bytecodes::_ldc2_w, cpool_double_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
874 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
875 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
876 case T_OBJECT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
877 Handle value = arg.object(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
878 if (value.is_null()) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
879 emit_bc(Bytecodes::_aconst_null); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
880 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
881 emit_bc(Bytecodes::_ldc, cpool_object_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
882 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
883 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
884 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
885 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
886 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
887 stack_push(bt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
888 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
889 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
890 |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
891 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
892 MethodHandleCompiler::make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
893 const ArgToken& src, TRAPS) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
894 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
895 BasicType srctype = src.basic_type(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
896 int index = src.index(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
897 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
898 switch (op) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
899 case Bytecodes::_i2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
900 case Bytecodes::_i2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
901 case Bytecodes::_i2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
902 case Bytecodes::_i2b: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
903 case Bytecodes::_i2c: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
904 case Bytecodes::_i2s: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
905 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
906 case Bytecodes::_l2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
907 case Bytecodes::_l2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
908 case Bytecodes::_l2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
909 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
910 case Bytecodes::_f2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
911 case Bytecodes::_f2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
912 case Bytecodes::_f2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
913 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
914 case Bytecodes::_d2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
915 case Bytecodes::_d2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
916 case Bytecodes::_d2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
917 emit_load(srctype, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
918 stack_pop(srctype); // pop the src type |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
919 emit_bc(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
920 stack_push(type); // push the dest value |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
921 if (srctype != type) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
922 index = new_local_index(type); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
923 emit_store(type, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
924 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
925 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
926 case Bytecodes::_checkcast: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
927 emit_load(srctype, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
928 emit_bc(op, cpool_klass_put(tk)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
929 emit_store(srctype, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
930 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
931 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
932 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
933 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
934 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
935 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
936 return make_parameter(type, tk, index, THREAD); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
937 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
938 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
939 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
940 // ----------------------------------------------------------------------------- |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
941 // MethodHandleCompiler |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
942 // |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
943 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
944 static jvalue zero_jvalue; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
945 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
946 // Emit bytecodes for the given invoke instruction. |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
947 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
948 MethodHandleCompiler::make_invoke(methodOop m, vmIntrinsics::ID iid, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
949 Bytecodes::Code op, bool tailcall, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
950 int argc, MethodHandleWalker::ArgToken* argv, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
951 TRAPS) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
952 if (m == NULL) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
953 // Get the intrinsic methodOop. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
954 m = vmIntrinsics::method_for(iid); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
955 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
956 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
957 klassOop klass = m->method_holder(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
958 symbolOop name = m->name(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
959 symbolOop signature = m->signature(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
960 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
961 if (tailcall) { |
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
962 // Actually, in order to make these methods more recognizable, |
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
963 // let's put them in holder classes MethodHandle and InvokeDynamic. |
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
964 // That way stack walkers and compiler heuristics can recognize them. |
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
965 _target_klass = (for_invokedynamic() |
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
966 ? SystemDictionary::InvokeDynamic_klass() |
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
967 : SystemDictionary::MethodHandle_klass()); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
968 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
969 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
970 // instanceKlass* ik = instanceKlass::cast(klass); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
971 // tty->print_cr("MethodHandleCompiler::make_invoke: %s %s.%s%s", Bytecodes::name(op), ik->external_name(), name->as_C_string(), signature->as_C_string()); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
972 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
973 // Inline the method. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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|
974 InvocationCounter* ic = m->invocation_counter(); |
dd57230ba8fe
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twisti
parents:
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diff
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|
975 ic->set_carry(); |
dd57230ba8fe
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twisti
parents:
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diff
changeset
|
976 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
977 for (int i = 0; i < argc; i++) { |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
978 ArgToken arg = argv[i]; |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
979 TokenType tt = arg.token_type(); |
dd57230ba8fe
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1133
diff
changeset
|
980 BasicType bt = arg.basic_type(); |
dd57230ba8fe
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parents:
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diff
changeset
|
981 |
dd57230ba8fe
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parents:
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diff
changeset
|
982 switch (tt) { |
dd57230ba8fe
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parents:
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diff
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|
983 case tt_parameter: |
dd57230ba8fe
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parents:
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diff
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|
984 case tt_temporary: |
dd57230ba8fe
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parents:
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diff
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|
985 emit_load(bt, arg.index()); |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
986 break; |
dd57230ba8fe
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parents:
1133
diff
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|
987 case tt_constant: |
dd57230ba8fe
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parents:
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|
988 emit_load_constant(arg); |
dd57230ba8fe
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twisti
parents:
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diff
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|
989 break; |
dd57230ba8fe
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parents:
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diff
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|
990 case tt_illegal: |
dd57230ba8fe
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parents:
1133
diff
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|
991 // Sentinel. |
dd57230ba8fe
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|
992 assert(i == (argc - 1), "sentinel must be last entry"); |
dd57230ba8fe
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diff
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|
993 break; |
dd57230ba8fe
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parents:
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diff
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|
994 case tt_void: |
dd57230ba8fe
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diff
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|
995 default: |
dd57230ba8fe
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diff
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|
996 ShouldNotReachHere(); |
dd57230ba8fe
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diff
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|
997 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
998 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
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diff
changeset
|
999 |
dd57230ba8fe
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diff
changeset
|
1000 // Populate constant pool. |
dd57230ba8fe
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parents:
1133
diff
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|
1001 int name_index = cpool_symbol_put(name); |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
1002 int signature_index = cpool_symbol_put(signature); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
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|
1003 int name_and_type_index = cpool_name_and_type_put(name_index, signature_index); |
dd57230ba8fe
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|
1004 int klass_index = cpool_klass_put(klass); |
dd57230ba8fe
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diff
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|
1005 int methodref_index = cpool_methodref_put(klass_index, name_and_type_index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
changeset
|
1006 |
dd57230ba8fe
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parents:
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diff
changeset
|
1007 // Generate invoke. |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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|
1008 switch (op) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
1009 case Bytecodes::_invokestatic: |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1010 case Bytecodes::_invokespecial: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
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diff
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|
1011 case Bytecodes::_invokevirtual: |
dd57230ba8fe
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parents:
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diff
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|
1012 emit_bc(op, methodref_index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1013 break; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
1014 case Bytecodes::_invokeinterface: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
1015 Unimplemented(); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1016 break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1017 default: |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1018 ShouldNotReachHere(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1019 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1020 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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|
1021 // If tailcall, we have walked all the way to a direct method handle. |
dd57230ba8fe
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diff
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|
1022 // Otherwise, make a recursive call to some helper routine. |
dd57230ba8fe
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|
1023 BasicType rbt = m->result_type(); |
1152
cd37471eaecc
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|
1024 if (rbt == T_ARRAY) rbt = T_OBJECT; |
1138
dd57230ba8fe
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diff
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|
1025 ArgToken ret; |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1026 if (tailcall) { |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1027 if (rbt != _rtype) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1028 if (rbt == T_VOID) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1029 // push a zero of the right sort |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
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diff
changeset
|
1030 ArgToken zero; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1031 if (_rtype == T_OBJECT) { |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
1032 zero = make_oop_constant(NULL, CHECK_(zero)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1033 } else { |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1034 zero = make_prim_constant(_rtype, &zero_jvalue, CHECK_(zero)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1035 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
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|
1036 emit_load_constant(zero); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1037 } else if (_rtype == T_VOID) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1038 // We'll emit a _return with something on the stack. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1039 // It's OK to ignore what's on the stack. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1040 } else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1041 tty->print_cr("*** rbt=%d != rtype=%d", rbt, _rtype); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1042 assert(false, "IMPLEMENT ME"); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1043 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1044 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1045 switch (_rtype) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1046 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1047 case T_INT: emit_bc(Bytecodes::_ireturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1048 case T_LONG: emit_bc(Bytecodes::_lreturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1049 case T_FLOAT: emit_bc(Bytecodes::_freturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1050 case T_DOUBLE: emit_bc(Bytecodes::_dreturn); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1051 case T_VOID: emit_bc(Bytecodes::_return); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1052 case T_OBJECT: |
1142 | 1053 if (_rklass.not_null() && _rklass() != SystemDictionary::Object_klass()) |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1054 emit_bc(Bytecodes::_checkcast, cpool_klass_put(_rklass())); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1055 emit_bc(Bytecodes::_areturn); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1056 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1057 default: ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1058 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1059 ret = ArgToken(); // Dummy return value. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1060 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1061 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1062 stack_push(rbt); // The return value is already pushed onto the stack. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1063 int index = new_local_index(rbt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1064 switch (rbt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1065 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1066 case T_INT: case T_LONG: case T_FLOAT: case T_DOUBLE: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1067 case T_OBJECT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1068 emit_store(rbt, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1069 ret = ArgToken(tt_temporary, rbt, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1070 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1071 case T_VOID: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1072 ret = ArgToken(tt_void); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1073 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1074 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1075 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1076 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1077 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1078 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1079 return ret; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1080 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1081 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1082 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1083 MethodHandleCompiler::make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1084 const MethodHandleWalker::ArgToken& base, |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1085 const MethodHandleWalker::ArgToken& offset, |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1086 TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1087 Unimplemented(); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1088 return ArgToken(); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1089 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1090 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1091 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1092 int MethodHandleCompiler::cpool_primitive_put(BasicType bt, jvalue* con) { |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1093 jvalue con_copy; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1094 assert(bt < T_OBJECT, ""); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1095 if (type2aelembytes(bt) < jintSize) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1096 // widen to int |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1097 con_copy = (*con); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1098 con = &con_copy; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1099 switch (bt) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1100 case T_BOOLEAN: con->i = (con->z ? 1 : 0); break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1101 case T_BYTE: con->i = con->b; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1102 case T_CHAR: con->i = con->c; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1103 case T_SHORT: con->i = con->s; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1104 default: ShouldNotReachHere(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1105 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1106 bt = T_INT; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1107 } |
1138
dd57230ba8fe
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1133
diff
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|
1108 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1109 // for (int i = 1, imax = _constants.length(); i < imax; i++) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
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|
1110 // ConstantValue* con = _constants.at(i); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1111 // if (con != NULL && con->is_primitive() && con->_type == bt) { |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
1112 // bool match = false; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1113 // switch (type2size[bt]) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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1114 // case 1: if (pcon->_value.i == con->i) match = true; break; |
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1115 // case 2: if (pcon->_value.j == con->j) match = true; break; |
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1116 // } |
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|
1117 // if (match) |
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|
1118 // return i; |
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|
1119 // } |
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1120 // } |
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1121 ConstantValue* cv = new ConstantValue(bt, *con); |
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|
1122 int index = _constants.append(cv); |
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|
1123 |
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1124 // long and double entries take 2 slots, we add another empty entry. |
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1125 if (type2size[bt] == 2) |
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|
1126 (void) _constants.append(NULL); |
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|
1127 |
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|
1128 return index; |
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|
1129 } |
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|
1130 |
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|
1131 |
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|
1132 constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const { |
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1133 constantPoolHandle nullHandle; |
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1134 bool is_conc_safe = true; |
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1135 constantPoolOop cpool_oop = oopFactory::new_constantPool(_constants.length(), is_conc_safe, CHECK_(nullHandle)); |
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1136 constantPoolHandle cpool(THREAD, cpool_oop); |
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|
1137 |
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1138 // Fill the real constant pool skipping the zero element. |
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1139 for (int i = 1; i < _constants.length(); i++) { |
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1140 ConstantValue* cv = _constants.at(i); |
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1141 switch (cv->tag()) { |
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1142 case JVM_CONSTANT_Utf8: cpool->symbol_at_put( i, cv->symbol_oop() ); break; |
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1143 case JVM_CONSTANT_Integer: cpool->int_at_put( i, cv->get_jint() ); break; |
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1144 case JVM_CONSTANT_Float: cpool->float_at_put( i, cv->get_jfloat() ); break; |
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1145 case JVM_CONSTANT_Long: cpool->long_at_put( i, cv->get_jlong() ); break; |
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1146 case JVM_CONSTANT_Double: cpool->double_at_put( i, cv->get_jdouble() ); break; |
dd57230ba8fe
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1147 case JVM_CONSTANT_Class: cpool->klass_at_put( i, cv->klass_oop() ); break; |
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1148 case JVM_CONSTANT_Methodref: cpool->method_at_put( i, cv->first_index(), cv->second_index()); break; |
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1149 case JVM_CONSTANT_NameAndType: cpool->name_and_type_at_put(i, cv->first_index(), cv->second_index()); break; |
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1150 case JVM_CONSTANT_Object: cpool->object_at_put( i, cv->object_oop() ); break; |
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|
1151 default: ShouldNotReachHere(); |
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|
1152 } |
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|
1153 |
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|
1154 switch (cv->tag()) { |
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|
1155 case JVM_CONSTANT_Long: |
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1156 case JVM_CONSTANT_Double: |
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|
1157 i++; // Skip empty entry. |
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|
1158 assert(_constants.at(i) == NULL, "empty entry"); |
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1159 break; |
1133
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|
1160 } |
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1161 } |
1138
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|
1162 |
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|
1163 // Set the constant pool holder to the target method's class. |
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|
1164 cpool->set_pool_holder(_target_klass()); |
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|
1165 |
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|
1166 return cpool; |
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|
1167 } |
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diff
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|
1168 |
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|
1169 |
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|
1170 methodHandle MethodHandleCompiler::get_method_oop(TRAPS) const { |
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|
1171 methodHandle nullHandle; |
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diff
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|
1172 // Create a method that holds the generated bytecode. invokedynamic |
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diff
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|
1173 // has no receiver, normal MH calls do. |
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|
1174 int flags_bits; |
dd57230ba8fe
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|
1175 if (for_invokedynamic()) |
1507
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diff
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|
1176 flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_SYNTHETIC | JVM_ACC_STATIC); |
1138
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|
1177 else |
1507
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diff
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|
1178 flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_SYNTHETIC); |
1138
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|
1179 |
dd57230ba8fe
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|
1180 bool is_conc_safe = true; |
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|
1181 methodOop m_oop = oopFactory::new_method(bytecode_length(), |
dd57230ba8fe
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1133
diff
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|
1182 accessFlags_from(flags_bits), |
dd57230ba8fe
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1133
diff
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|
1183 0, 0, 0, is_conc_safe, CHECK_(nullHandle)); |
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diff
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|
1184 methodHandle m(THREAD, m_oop); |
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1133
diff
changeset
|
1185 m_oop = NULL; // oop not GC safe |
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parents:
1133
diff
changeset
|
1186 |
dd57230ba8fe
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1133
diff
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|
1187 constantPoolHandle cpool = get_constant_pool(CHECK_(nullHandle)); |
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parents:
1133
diff
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|
1188 m->set_constants(cpool()); |
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parents:
1133
diff
changeset
|
1189 |
dd57230ba8fe
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1133
diff
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|
1190 m->set_name_index(_name_index); |
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parents:
1133
diff
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|
1191 m->set_signature_index(_signature_index); |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1192 |
dd57230ba8fe
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parents:
1133
diff
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|
1193 m->set_code((address) bytecode()); |
dd57230ba8fe
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parents:
1133
diff
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|
1194 |
dd57230ba8fe
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diff
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|
1195 m->set_max_stack(_max_stack); |
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1133
diff
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|
1196 m->set_max_locals(max_locals()); |
dd57230ba8fe
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parents:
1133
diff
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|
1197 m->set_size_of_parameters(_num_params); |
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parents:
1133
diff
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|
1198 |
dd57230ba8fe
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diff
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|
1199 typeArrayHandle exception_handlers(THREAD, Universe::the_empty_int_array()); |
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1133
diff
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|
1200 m->set_exception_table(exception_handlers()); |
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1133
diff
changeset
|
1201 |
dd57230ba8fe
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1133
diff
changeset
|
1202 // Set the carry bit of the invocation counter to force inlining of |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1203 // the adapter. |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1204 InvocationCounter* ic = m->invocation_counter(); |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1205 ic->set_carry(); |
dd57230ba8fe
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1133
diff
changeset
|
1206 |
dd57230ba8fe
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1133
diff
changeset
|
1207 // Rewrite the method and set up the constant pool cache. |
dd57230ba8fe
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1133
diff
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|
1208 objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(nullHandle)); |
dd57230ba8fe
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parents:
1133
diff
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|
1209 objArrayHandle methods(THREAD, m_array); |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1210 methods->obj_at_put(0, m()); |
dd57230ba8fe
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parents:
1133
diff
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|
1211 Rewriter::rewrite(_target_klass(), cpool, methods, CHECK_(nullHandle)); // Use fake class. |
dd57230ba8fe
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parents:
1133
diff
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|
1212 |
dd57230ba8fe
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parents:
1133
diff
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|
1213 #ifndef PRODUCT |
dd57230ba8fe
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parents:
1133
diff
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|
1214 if (TraceMethodHandles) { |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
1215 m->print(); |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1216 m->print_codes(); |
dd57230ba8fe
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parents:
1133
diff
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|
1217 } |
dd57230ba8fe
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parents:
1133
diff
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|
1218 #endif //PRODUCT |
dd57230ba8fe
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1133
diff
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|
1219 |
1507
cd5dbf694d45
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1152
diff
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|
1220 assert(m->is_method_handle_adapter(), "must be recognized as an adapter"); |
1138
dd57230ba8fe
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1133
diff
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|
1221 return m; |
1133
aa62b9388fce
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diff
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|
1222 } |
aa62b9388fce
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diff
changeset
|
1223 |
aa62b9388fce
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diff
changeset
|
1224 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1225 #ifndef PRODUCT |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1226 |
1138
dd57230ba8fe
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1133
diff
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|
1227 #if 0 |
1133
aa62b9388fce
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parents:
diff
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|
1228 // MH printer for debugging. |
aa62b9388fce
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parents:
diff
changeset
|
1229 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1230 class MethodHandlePrinter : public MethodHandleWalker { |
aa62b9388fce
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diff
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|
1231 private: |
aa62b9388fce
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diff
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|
1232 outputStream* _out; |
aa62b9388fce
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diff
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|
1233 bool _verbose; |
aa62b9388fce
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diff
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|
1234 int _temp_num; |
aa62b9388fce
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diff
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|
1235 stringStream _strbuf; |
aa62b9388fce
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diff
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|
1236 const char* strbuf() { |
aa62b9388fce
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parents:
diff
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|
1237 const char* s = _strbuf.as_string(); |
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diff
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|
1238 _strbuf.reset(); |
aa62b9388fce
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diff
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|
1239 return s; |
aa62b9388fce
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diff
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|
1240 } |
aa62b9388fce
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diff
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|
1241 ArgToken token(const char* str) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1242 return (ArgToken) str; |
aa62b9388fce
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diff
changeset
|
1243 } |
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diff
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|
1244 void start_params() { |
aa62b9388fce
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parents:
diff
changeset
|
1245 _out->print("("); |
aa62b9388fce
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diff
changeset
|
1246 } |
aa62b9388fce
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diff
changeset
|
1247 void end_params() { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1248 if (_verbose) _out->print("\n"); |
aa62b9388fce
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parents:
diff
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|
1249 _out->print(") => {"); |
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diff
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|
1250 } |
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diff
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|
1251 void put_type_name(BasicType type, klassOop tk, outputStream* s) { |
aa62b9388fce
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diff
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|
1252 const char* kname = NULL; |
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parents:
diff
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|
1253 if (tk != NULL) |
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parents:
diff
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|
1254 kname = Klass::cast(tk)->external_name(); |
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parents:
diff
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|
1255 s->print("%s", (kname != NULL) ? kname : type2name(type)); |
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diff
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|
1256 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1257 ArgToken maybe_make_temp(const char* statement_op, BasicType type, const char* temp_name) { |
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parents:
diff
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|
1258 const char* value = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1259 if (!_verbose) return token(value); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1260 // make an explicit binding for each separate value |
aa62b9388fce
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parents:
diff
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|
1261 _strbuf.print("%s%d", temp_name, ++_temp_num); |
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parents:
diff
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|
1262 const char* temp = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1263 _out->print("\n %s %s %s = %s;", statement_op, type2name(type), temp, value); |
aa62b9388fce
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|
1264 return token(temp); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1265 } |
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6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1266 |
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6894206: JVM needs a way to traverse method handle structures
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diff
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|
1267 public: |
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6894206: JVM needs a way to traverse method handle structures
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diff
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|
1268 MethodHandlePrinter(Handle root, bool verbose, outputStream* out, TRAPS) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1269 : MethodHandleWalker(root, THREAD), |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1270 _out(out), |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1271 _verbose(verbose), |
aa62b9388fce
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parents:
diff
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|
1272 _temp_num(0) |
aa62b9388fce
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parents:
diff
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|
1273 { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1274 start_params(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1275 } |
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6894206: JVM needs a way to traverse method handle structures
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diff
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|
1276 virtual ArgToken make_parameter(BasicType type, klassOop tk, int argnum, TRAPS) { |
aa62b9388fce
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diff
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|
1277 if (argnum < 0) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1278 end_params(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1279 return NULL; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1280 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1281 if (argnum == 0) { |
aa62b9388fce
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parents:
diff
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|
1282 _out->print(_verbose ? "\n " : ""); |
aa62b9388fce
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diff
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|
1283 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1284 _out->print(_verbose ? ",\n " : ", "); |
aa62b9388fce
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parents:
diff
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|
1285 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1286 if (argnum >= _temp_num) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1287 _temp_num = argnum; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1288 // generate an argument name |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1289 _strbuf.print("a%d", argnum); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1290 const char* arg = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1291 put_type_name(type, tk, _out); |
aa62b9388fce
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parents:
diff
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|
1292 _out->print(" %s", arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1293 return token(arg); |
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parents:
diff
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|
1294 } |
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6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1295 virtual ArgToken make_oop_constant(oop con, TRAPS) { |
aa62b9388fce
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parents:
diff
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|
1296 if (con == NULL) |
aa62b9388fce
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parents:
diff
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|
1297 _strbuf.print("null"); |
aa62b9388fce
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twisti
parents:
diff
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|
1298 else |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1299 con->print_value_on(&_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1300 if (_strbuf.size() == 0) { // yuck |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1301 _strbuf.print("(a "); |
aa62b9388fce
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parents:
diff
changeset
|
1302 put_type_name(T_OBJECT, con->klass(), &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1303 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1304 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1305 return maybe_make_temp("constant", T_OBJECT, "k"); |
aa62b9388fce
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diff
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|
1306 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1307 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) { |
aa62b9388fce
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parents:
diff
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|
1308 java_lang_boxing_object::print(type, con, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1309 return maybe_make_temp("constant", type, "k"); |
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diff
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|
1310 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1311 virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, ArgToken src, TRAPS) { |
aa62b9388fce
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parents:
diff
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|
1312 _strbuf.print("%s(%s", Bytecodes::name(op), (const char*)src); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1313 if (tk != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1314 _strbuf.print(", "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1315 put_type_name(type, tk, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1316 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1317 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1318 return maybe_make_temp("convert", type, "v"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1319 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1320 virtual ArgToken make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, ArgToken base, ArgToken offset, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1321 _strbuf.print("%s(%s, %s", Bytecodes::name(op), (const char*)base, (const char*)offset); |
aa62b9388fce
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parents:
diff
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|
1322 if (tk != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1323 _strbuf.print(", "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1324 put_type_name(type, tk, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1325 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1326 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1327 return maybe_make_temp("fetch", type, "x"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1328 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1329 virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1330 Bytecodes::Code op, bool tailcall, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1331 int argc, ArgToken* argv, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1332 symbolOop name, sig; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1333 if (m != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1334 name = m->name(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1335 sig = m->signature(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1336 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1337 name = vmSymbols::symbol_at(vmIntrinsics::name_for(iid)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1338 sig = vmSymbols::symbol_at(vmIntrinsics::signature_for(iid)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1339 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1340 _strbuf.print("%s %s%s(", Bytecodes::name(op), name->as_C_string(), sig->as_C_string()); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1341 for (int i = 0; i < argc; i++) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1342 _strbuf.print("%s%s", (i > 0 ? ", " : ""), (const char*)argv[i]); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1343 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1344 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1345 if (!tailcall) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1346 BasicType rt = char2type(sig->byte_at(sig->utf8_length()-1)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1347 if (rt == T_ILLEGAL) rt = T_OBJECT; // ';' at the end of '(...)L...;' |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1348 return maybe_make_temp("invoke", rt, "x"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1349 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1350 const char* ret = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1351 _out->print(_verbose ? "\n return " : " "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1352 _out->print("%s", ret); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1353 _out->print(_verbose ? "\n}\n" : " }"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1354 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1355 return ArgToken(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1356 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1357 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1358 virtual void set_method_handle(oop mh) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1359 if (WizardMode && Verbose) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1360 tty->print("\n--- next target: "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1361 mh->print(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1362 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1363 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1364 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1365 static void print(Handle root, bool verbose, outputStream* out, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1366 ResourceMark rm; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1367 MethodHandlePrinter printer(root, verbose, out, CHECK); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1368 printer.walk(CHECK); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1369 out->print("\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1370 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1371 static void print(Handle root, bool verbose = Verbose, outputStream* out = tty) { |
aa62b9388fce
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twisti
parents:
diff
changeset
|
1372 EXCEPTION_MARK; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1373 ResourceMark rm; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1374 MethodHandlePrinter printer(root, verbose, out, THREAD); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1375 if (!HAS_PENDING_EXCEPTION) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1376 printer.walk(THREAD); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1377 if (HAS_PENDING_EXCEPTION) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1378 oop ex = PENDING_EXCEPTION; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1379 CLEAR_PENDING_EXCEPTION; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1380 out->print("\n*** "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1381 if (ex != Universe::virtual_machine_error_instance()) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1382 ex->print_on(out); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1383 else |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1384 out->print("lose: %s", printer.lose_message()); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1385 out->print("\n}\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1386 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1387 out->print("\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1388 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1389 }; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1390 #endif // 0 |
1133
aa62b9388fce
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parents:
diff
changeset
|
1391 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
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1392 extern "C" |
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1393 void print_method_handle(oop mh) { |
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1394 if (java_dyn_MethodHandle::is_instance(mh)) { |
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1395 //MethodHandlePrinter::print(mh); |
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1396 } else { |
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1397 tty->print("*** not a method handle: "); |
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1398 mh->print(); |
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1399 } |
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1400 } |
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1401 |
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1402 #endif // PRODUCT |