Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/methodHandleWalk.cpp @ 2088:8d0b933dda2d
7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot
Reviewed-by: kvn, jrose
author | twisti |
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date | Wed, 22 Dec 2010 02:02:53 -0800 |
parents | f2da85a9b08e |
children | 70427f06ea47 |
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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 |
1972 | 25 #include "precompiled.hpp" |
26 #include "interpreter/rewriter.hpp" | |
27 #include "memory/oopFactory.hpp" | |
28 #include "prims/methodHandleWalk.hpp" | |
29 | |
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30 /* |
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31 * JSR 292 reference implementation: method handle structure analysis |
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32 */ |
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33 |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // MethodHandleChain |
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37 |
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38 void MethodHandleChain::set_method_handle(Handle mh, TRAPS) { |
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39 if (!java_dyn_MethodHandle::is_instance(mh())) lose("bad method handle", CHECK); |
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40 |
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41 // set current method handle and unpack partially |
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42 _method_handle = mh; |
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43 _is_last = false; |
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44 _is_bound = false; |
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45 _arg_slot = -1; |
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46 _arg_type = T_VOID; |
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47 _conversion = -1; |
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48 _last_invoke = Bytecodes::_nop; //arbitrary non-garbage |
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49 |
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50 if (sun_dyn_DirectMethodHandle::is_instance(mh())) { |
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51 set_last_method(mh(), THREAD); |
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52 return; |
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53 } |
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54 if (sun_dyn_AdapterMethodHandle::is_instance(mh())) { |
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55 _conversion = AdapterMethodHandle_conversion(); |
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56 assert(_conversion != -1, "bad conv value"); |
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57 assert(sun_dyn_BoundMethodHandle::is_instance(mh()), "also BMH"); |
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58 } |
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59 if (sun_dyn_BoundMethodHandle::is_instance(mh())) { |
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60 if (!is_adapter()) // keep AMH and BMH separate in this model |
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61 _is_bound = true; |
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62 _arg_slot = BoundMethodHandle_vmargslot(); |
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63 oop target = MethodHandle_vmtarget_oop(); |
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64 if (!is_bound() || java_dyn_MethodHandle::is_instance(target)) { |
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65 _arg_type = compute_bound_arg_type(target, NULL, _arg_slot, CHECK); |
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66 } else if (target != NULL && target->is_method()) { |
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67 methodOop m = (methodOop) target; |
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68 _arg_type = compute_bound_arg_type(NULL, m, _arg_slot, CHECK); |
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69 set_last_method(mh(), CHECK); |
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70 } else { |
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71 _is_bound = false; // lose! |
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72 } |
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73 } |
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74 if (is_bound() && _arg_type == T_VOID) { |
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75 lose("bad vmargslot", CHECK); |
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76 } |
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77 if (!is_bound() && !is_adapter()) { |
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78 lose("unrecognized MH type", CHECK); |
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79 } |
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80 } |
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81 |
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82 |
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83 void MethodHandleChain::set_last_method(oop target, TRAPS) { |
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84 _is_last = true; |
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85 klassOop receiver_limit_oop = NULL; |
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86 int flags = 0; |
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87 methodOop m = MethodHandles::decode_method(target, receiver_limit_oop, flags); |
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88 _last_method = methodHandle(THREAD, m); |
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89 if ((flags & MethodHandles::_dmf_has_receiver) == 0) |
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90 _last_invoke = Bytecodes::_invokestatic; |
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91 else if ((flags & MethodHandles::_dmf_does_dispatch) == 0) |
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92 _last_invoke = Bytecodes::_invokespecial; |
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93 else if ((flags & MethodHandles::_dmf_from_interface) != 0) |
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94 _last_invoke = Bytecodes::_invokeinterface; |
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95 else |
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96 _last_invoke = Bytecodes::_invokevirtual; |
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97 } |
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98 |
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99 |
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100 BasicType MethodHandleChain::compute_bound_arg_type(oop target, methodOop m, int arg_slot, TRAPS) { |
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101 // There is no direct indication of whether the argument is primitive or not. |
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102 // It is implied by the _vmentry code, and by the MethodType of the target. |
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103 // FIXME: Make it explicit MethodHandleImpl refactors out from MethodHandle |
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104 BasicType arg_type = T_VOID; |
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105 if (target != NULL) { |
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106 oop mtype = java_dyn_MethodHandle::type(target); |
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107 int arg_num = MethodHandles::argument_slot_to_argnum(mtype, arg_slot); |
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108 if (arg_num >= 0) { |
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109 oop ptype = java_dyn_MethodType::ptype(mtype, arg_num); |
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110 arg_type = java_lang_Class::as_BasicType(ptype); |
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111 } |
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112 } else if (m != NULL) { |
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113 // figure out the argument type from the slot |
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114 // FIXME: make this explicit in the MH |
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115 int cur_slot = m->size_of_parameters(); |
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116 if (arg_slot >= cur_slot) |
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117 return T_VOID; |
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118 if (!m->is_static()) { |
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119 cur_slot -= type2size[T_OBJECT]; |
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120 if (cur_slot == arg_slot) |
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121 return T_OBJECT; |
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122 } |
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123 for (SignatureStream ss(m->signature()); !ss.is_done(); ss.next()) { |
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124 BasicType bt = ss.type(); |
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125 cur_slot -= type2size[bt]; |
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126 if (cur_slot <= arg_slot) { |
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127 if (cur_slot == arg_slot) |
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128 arg_type = bt; |
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129 break; |
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130 } |
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131 } |
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132 } |
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133 if (arg_type == T_ARRAY) |
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134 arg_type = T_OBJECT; |
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135 return arg_type; |
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136 } |
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137 |
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138 |
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139 void MethodHandleChain::lose(const char* msg, TRAPS) { |
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140 assert(false, "lose"); |
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141 _lose_message = msg; |
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142 if (!THREAD->is_Java_thread() || ((JavaThread*)THREAD)->thread_state() != _thread_in_vm) { |
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143 // throw a preallocated exception |
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144 THROW_OOP(Universe::virtual_machine_error_instance()); |
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145 } |
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146 THROW_MSG(vmSymbols::java_lang_InternalError(), msg); |
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147 } |
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148 |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // MethodHandleWalker |
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152 |
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153 Bytecodes::Code MethodHandleWalker::conversion_code(BasicType src, BasicType dest) { |
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154 if (is_subword_type(src)) { |
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155 src = T_INT; // all subword src types act like int |
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156 } |
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157 if (src == dest) { |
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158 return Bytecodes::_nop; |
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159 } |
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160 |
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161 #define SRC_DEST(s,d) (((int)(s) << 4) + (int)(d)) |
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162 switch (SRC_DEST(src, dest)) { |
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163 case SRC_DEST(T_INT, T_LONG): return Bytecodes::_i2l; |
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164 case SRC_DEST(T_INT, T_FLOAT): return Bytecodes::_i2f; |
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165 case SRC_DEST(T_INT, T_DOUBLE): return Bytecodes::_i2d; |
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166 case SRC_DEST(T_INT, T_BYTE): return Bytecodes::_i2b; |
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167 case SRC_DEST(T_INT, T_CHAR): return Bytecodes::_i2c; |
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168 case SRC_DEST(T_INT, T_SHORT): return Bytecodes::_i2s; |
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169 |
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170 case SRC_DEST(T_LONG, T_INT): return Bytecodes::_l2i; |
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171 case SRC_DEST(T_LONG, T_FLOAT): return Bytecodes::_l2f; |
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172 case SRC_DEST(T_LONG, T_DOUBLE): return Bytecodes::_l2d; |
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173 |
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174 case SRC_DEST(T_FLOAT, T_INT): return Bytecodes::_f2i; |
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175 case SRC_DEST(T_FLOAT, T_LONG): return Bytecodes::_f2l; |
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176 case SRC_DEST(T_FLOAT, T_DOUBLE): return Bytecodes::_f2d; |
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177 |
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178 case SRC_DEST(T_DOUBLE, T_INT): return Bytecodes::_d2i; |
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179 case SRC_DEST(T_DOUBLE, T_LONG): return Bytecodes::_d2l; |
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180 case SRC_DEST(T_DOUBLE, T_FLOAT): return Bytecodes::_d2f; |
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181 } |
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182 #undef SRC_DEST |
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183 |
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184 // cannot do it in one step, or at all |
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185 return Bytecodes::_illegal; |
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186 } |
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187 |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // MethodHandleWalker::walk |
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191 // |
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192 MethodHandleWalker::ArgToken |
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193 MethodHandleWalker::walk(TRAPS) { |
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194 ArgToken empty = ArgToken(); // Empty return value. |
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195 |
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196 walk_incoming_state(CHECK_(empty)); |
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197 |
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198 for (;;) { |
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199 set_method_handle(chain().method_handle_oop()); |
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200 |
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201 assert(_outgoing_argc == argument_count_slow(), "empty slots under control"); |
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202 |
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203 if (chain().is_adapter()) { |
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204 int conv_op = chain().adapter_conversion_op(); |
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205 int arg_slot = chain().adapter_arg_slot(); |
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206 SlotState* arg_state = slot_state(arg_slot); |
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207 if (arg_state == NULL |
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208 && conv_op > sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW) { |
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209 lose("bad argument index", CHECK_(empty)); |
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210 } |
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211 |
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212 // perform the adapter action |
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213 switch (chain().adapter_conversion_op()) { |
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214 case sun_dyn_AdapterMethodHandle::OP_RETYPE_ONLY: |
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215 // No changes to arguments; pass the bits through. |
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216 break; |
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217 |
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218 case sun_dyn_AdapterMethodHandle::OP_RETYPE_RAW: { |
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219 // To keep the verifier happy, emit bitwise ("raw") conversions as needed. |
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220 // See MethodHandles::same_basic_type_for_arguments for allowed conversions. |
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221 Handle incoming_mtype(THREAD, chain().method_type_oop()); |
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222 oop outgoing_mh_oop = chain().vmtarget_oop(); |
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223 if (!java_dyn_MethodHandle::is_instance(outgoing_mh_oop)) |
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224 lose("outgoing target not a MethodHandle", CHECK_(empty)); |
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225 Handle outgoing_mtype(THREAD, java_dyn_MethodHandle::type(outgoing_mh_oop)); |
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226 outgoing_mh_oop = NULL; // GC safety |
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227 |
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228 int nptypes = java_dyn_MethodType::ptype_count(outgoing_mtype()); |
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229 if (nptypes != java_dyn_MethodType::ptype_count(incoming_mtype())) |
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230 lose("incoming and outgoing parameter count do not agree", CHECK_(empty)); |
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231 |
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232 for (int i = 0, slot = _outgoing.length() - 1; slot >= 0; slot--) { |
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233 SlotState* arg_state = slot_state(slot); |
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234 if (arg_state->_type == T_VOID) continue; |
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235 ArgToken arg = _outgoing.at(slot)._arg; |
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236 |
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237 klassOop in_klass = NULL; |
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238 klassOop out_klass = NULL; |
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239 BasicType inpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(incoming_mtype(), i), &in_klass); |
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240 BasicType outpbt = java_lang_Class::as_BasicType(java_dyn_MethodType::ptype(outgoing_mtype(), i), &out_klass); |
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241 assert(inpbt == arg.basic_type(), "sanity"); |
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242 |
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243 if (inpbt != outpbt) { |
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244 vmIntrinsics::ID iid = vmIntrinsics::for_raw_conversion(inpbt, outpbt); |
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245 if (iid == vmIntrinsics::_none) { |
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246 lose("no raw conversion method", CHECK_(empty)); |
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247 } |
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248 ArgToken arglist[2]; |
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249 arglist[0] = arg; // outgoing 'this' |
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250 arglist[1] = ArgToken(); // sentinel |
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251 arg = make_invoke(NULL, iid, Bytecodes::_invokestatic, false, 1, &arglist[0], CHECK_(empty)); |
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252 change_argument(inpbt, slot, outpbt, arg); |
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253 } |
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254 |
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255 i++; // We need to skip void slots at the top of the loop. |
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256 } |
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257 |
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258 BasicType inrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(incoming_mtype())); |
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259 BasicType outrbt = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(outgoing_mtype())); |
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260 if (inrbt != outrbt) { |
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261 if (inrbt == T_INT && outrbt == T_VOID) { |
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262 // See comments in MethodHandles::same_basic_type_for_arguments. |
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263 } else { |
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264 assert(false, "IMPLEMENT ME"); |
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265 lose("no raw conversion method", CHECK_(empty)); |
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266 } |
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267 } |
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268 break; |
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269 } |
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270 |
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271 case sun_dyn_AdapterMethodHandle::OP_CHECK_CAST: { |
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272 // checkcast the Nth outgoing argument in place |
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273 klassOop dest_klass = NULL; |
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274 BasicType dest = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), &dest_klass); |
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275 assert(dest == T_OBJECT, ""); |
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276 assert(dest == arg_state->_type, ""); |
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277 ArgToken arg = arg_state->_arg; |
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278 ArgToken new_arg = make_conversion(T_OBJECT, dest_klass, Bytecodes::_checkcast, arg, CHECK_(empty)); |
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279 assert(arg.index() == new_arg.index(), "should be the same index"); |
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280 debug_only(dest_klass = (klassOop)badOop); |
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281 break; |
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282 } |
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283 |
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284 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_PRIM: { |
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285 // i2l, etc., on the Nth outgoing argument in place |
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286 BasicType src = chain().adapter_conversion_src_type(), |
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287 dest = chain().adapter_conversion_dest_type(); |
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288 Bytecodes::Code bc = conversion_code(src, dest); |
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289 ArgToken arg = arg_state->_arg; |
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290 if (bc == Bytecodes::_nop) { |
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291 break; |
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292 } else if (bc != Bytecodes::_illegal) { |
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293 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
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294 } else if (is_subword_type(dest)) { |
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295 bc = conversion_code(src, T_INT); |
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296 if (bc != Bytecodes::_illegal) { |
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297 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
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298 bc = conversion_code(T_INT, dest); |
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299 arg = make_conversion(dest, NULL, bc, arg, CHECK_(empty)); |
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300 } |
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301 } |
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302 if (bc == Bytecodes::_illegal) { |
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303 lose("bad primitive conversion", CHECK_(empty)); |
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304 } |
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305 change_argument(src, arg_slot, dest, arg); |
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306 break; |
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307 } |
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308 |
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309 case sun_dyn_AdapterMethodHandle::OP_REF_TO_PRIM: { |
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310 // checkcast to wrapper type & call intValue, etc. |
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311 BasicType dest = chain().adapter_conversion_dest_type(); |
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312 ArgToken arg = arg_state->_arg; |
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313 arg = make_conversion(T_OBJECT, SystemDictionary::box_klass(dest), |
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314 Bytecodes::_checkcast, arg, CHECK_(empty)); |
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315 vmIntrinsics::ID unboxer = vmIntrinsics::for_unboxing(dest); |
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316 if (unboxer == vmIntrinsics::_none) { |
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317 lose("no unboxing method", CHECK_(empty)); |
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318 } |
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319 ArgToken arglist[2]; |
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320 arglist[0] = arg; // outgoing 'this' |
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321 arglist[1] = ArgToken(); // sentinel |
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322 arg = make_invoke(NULL, unboxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty)); |
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323 change_argument(T_OBJECT, arg_slot, dest, arg); |
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324 break; |
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325 } |
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326 |
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327 case sun_dyn_AdapterMethodHandle::OP_PRIM_TO_REF: { |
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328 // call wrapper type.valueOf |
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329 BasicType src = chain().adapter_conversion_src_type(); |
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330 ArgToken arg = arg_state->_arg; |
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331 vmIntrinsics::ID boxer = vmIntrinsics::for_boxing(src); |
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332 if (boxer == vmIntrinsics::_none) { |
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333 lose("no boxing method", CHECK_(empty)); |
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334 } |
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335 ArgToken arglist[2]; |
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336 arglist[0] = arg; // outgoing value |
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337 arglist[1] = ArgToken(); // sentinel |
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338 arg = make_invoke(NULL, boxer, Bytecodes::_invokevirtual, false, 1, &arglist[0], CHECK_(empty)); |
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339 change_argument(src, arg_slot, T_OBJECT, arg); |
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340 break; |
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341 } |
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342 |
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343 case sun_dyn_AdapterMethodHandle::OP_SWAP_ARGS: { |
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344 int dest_arg_slot = chain().adapter_conversion_vminfo(); |
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345 if (!slot_has_argument(dest_arg_slot)) { |
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346 lose("bad swap index", CHECK_(empty)); |
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347 } |
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348 // a simple swap between two arguments |
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349 SlotState* dest_arg_state = slot_state(dest_arg_slot); |
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350 SlotState temp = (*dest_arg_state); |
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351 (*dest_arg_state) = (*arg_state); |
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352 (*arg_state) = temp; |
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353 break; |
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354 } |
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355 |
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356 case sun_dyn_AdapterMethodHandle::OP_ROT_ARGS: { |
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357 int dest_arg_slot = chain().adapter_conversion_vminfo(); |
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358 if (!slot_has_argument(dest_arg_slot) || arg_slot == dest_arg_slot) { |
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359 lose("bad rotate index", CHECK_(empty)); |
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360 } |
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361 SlotState* dest_arg_state = slot_state(dest_arg_slot); |
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362 // Rotate the source argument (plus following N slots) into the |
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363 // position occupied by the dest argument (plus following N slots). |
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364 int rotate_count = type2size[dest_arg_state->_type]; |
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365 // (no other rotate counts are currently supported) |
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366 if (arg_slot < dest_arg_slot) { |
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367 for (int i = 0; i < rotate_count; i++) { |
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368 SlotState temp = _outgoing.at(arg_slot); |
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369 _outgoing.remove_at(arg_slot); |
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370 _outgoing.insert_before(dest_arg_slot + rotate_count - 1, temp); |
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371 } |
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372 } else { // arg_slot > dest_arg_slot |
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373 for (int i = 0; i < rotate_count; i++) { |
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374 SlotState temp = _outgoing.at(arg_slot + rotate_count - 1); |
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375 _outgoing.remove_at(arg_slot + rotate_count - 1); |
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376 _outgoing.insert_before(dest_arg_slot, temp); |
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377 } |
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378 } |
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379 break; |
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380 } |
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381 |
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382 case sun_dyn_AdapterMethodHandle::OP_DUP_ARGS: { |
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383 int dup_slots = chain().adapter_conversion_stack_pushes(); |
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384 if (dup_slots <= 0) { |
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385 lose("bad dup count", CHECK_(empty)); |
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386 } |
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387 for (int i = 0; i < dup_slots; i++) { |
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388 SlotState* dup = slot_state(arg_slot + 2*i); |
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389 if (dup == NULL) break; // safety net |
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390 if (dup->_type != T_VOID) _outgoing_argc += 1; |
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391 _outgoing.insert_before(i, (*dup)); |
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392 } |
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393 break; |
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394 } |
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395 |
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396 case sun_dyn_AdapterMethodHandle::OP_DROP_ARGS: { |
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397 int drop_slots = -chain().adapter_conversion_stack_pushes(); |
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398 if (drop_slots <= 0) { |
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399 lose("bad drop count", CHECK_(empty)); |
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400 } |
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401 for (int i = 0; i < drop_slots; i++) { |
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402 SlotState* drop = slot_state(arg_slot); |
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403 if (drop == NULL) break; // safety net |
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404 if (drop->_type != T_VOID) _outgoing_argc -= 1; |
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405 _outgoing.remove_at(arg_slot); |
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|
406 } |
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407 break; |
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408 } |
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409 |
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410 case sun_dyn_AdapterMethodHandle::OP_COLLECT_ARGS: { //NYI, may GC |
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411 lose("unimplemented", CHECK_(empty)); |
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412 break; |
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413 } |
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414 |
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415 case sun_dyn_AdapterMethodHandle::OP_SPREAD_ARGS: { |
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416 klassOop array_klass_oop = NULL; |
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417 BasicType array_type = java_lang_Class::as_BasicType(chain().adapter_arg_oop(), |
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418 &array_klass_oop); |
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419 assert(array_type == T_OBJECT, ""); |
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420 assert(Klass::cast(array_klass_oop)->oop_is_array(), ""); |
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421 arrayKlassHandle array_klass(THREAD, array_klass_oop); |
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422 debug_only(array_klass_oop = (klassOop)badOop); |
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423 |
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424 klassOop element_klass_oop = NULL; |
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425 BasicType element_type = java_lang_Class::as_BasicType(array_klass->component_mirror(), |
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426 &element_klass_oop); |
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427 KlassHandle element_klass(THREAD, element_klass_oop); |
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428 debug_only(element_klass_oop = (klassOop)badOop); |
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429 |
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430 // Fetch the argument, which we will cast to the required array type. |
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431 assert(arg_state->_type == T_OBJECT, ""); |
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432 ArgToken array_arg = arg_state->_arg; |
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433 array_arg = make_conversion(T_OBJECT, array_klass(), Bytecodes::_checkcast, array_arg, CHECK_(empty)); |
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434 change_argument(T_OBJECT, arg_slot, T_VOID, ArgToken(tt_void)); |
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435 |
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436 // Check the required length. |
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437 int spread_slots = 1 + chain().adapter_conversion_stack_pushes(); |
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438 int spread_length = spread_slots; |
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439 if (type2size[element_type] == 2) { |
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440 if (spread_slots % 2 != 0) spread_slots = -1; // force error |
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441 spread_length = spread_slots / 2; |
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442 } |
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443 if (spread_slots < 0) { |
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444 lose("bad spread length", CHECK_(empty)); |
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445 } |
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446 |
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447 jvalue length_jvalue; length_jvalue.i = spread_length; |
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448 ArgToken length_arg = make_prim_constant(T_INT, &length_jvalue, CHECK_(empty)); |
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449 // Call a built-in method known to the JVM to validate the length. |
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450 ArgToken arglist[3]; |
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451 arglist[0] = array_arg; // value to check |
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452 arglist[1] = length_arg; // length to check |
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453 arglist[2] = ArgToken(); // sentinel |
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454 make_invoke(NULL, vmIntrinsics::_checkSpreadArgument, |
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455 Bytecodes::_invokestatic, false, 3, &arglist[0], CHECK_(empty)); |
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456 |
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457 // Spread out the array elements. |
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458 Bytecodes::Code aload_op = Bytecodes::_aaload; |
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459 if (element_type != T_OBJECT) { |
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460 lose("primitive array NYI", CHECK_(empty)); |
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461 } |
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462 int ap = arg_slot; |
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463 for (int i = 0; i < spread_length; i++) { |
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464 jvalue offset_jvalue; offset_jvalue.i = i; |
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465 ArgToken offset_arg = make_prim_constant(T_INT, &offset_jvalue, CHECK_(empty)); |
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466 ArgToken element_arg = make_fetch(element_type, element_klass(), aload_op, array_arg, offset_arg, CHECK_(empty)); |
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467 change_argument(T_VOID, ap, element_type, element_arg); |
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468 ap += type2size[element_type]; |
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469 } |
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470 break; |
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471 } |
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472 |
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473 case sun_dyn_AdapterMethodHandle::OP_FLYBY: //NYI, runs Java code |
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474 case sun_dyn_AdapterMethodHandle::OP_RICOCHET: //NYI, runs Java code |
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475 lose("unimplemented", CHECK_(empty)); |
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476 break; |
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477 |
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478 default: |
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479 lose("bad adapter conversion", CHECK_(empty)); |
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480 break; |
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481 } |
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482 } |
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483 |
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484 if (chain().is_bound()) { |
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485 // push a new argument |
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486 BasicType arg_type = chain().bound_arg_type(); |
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487 jint arg_slot = chain().bound_arg_slot(); |
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488 oop arg_oop = chain().bound_arg_oop(); |
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489 ArgToken arg; |
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490 if (arg_type == T_OBJECT) { |
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491 arg = make_oop_constant(arg_oop, CHECK_(empty)); |
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492 } else { |
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493 jvalue arg_value; |
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494 BasicType bt = java_lang_boxing_object::get_value(arg_oop, &arg_value); |
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495 if (bt == arg_type) { |
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496 arg = make_prim_constant(arg_type, &arg_value, CHECK_(empty)); |
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497 } else { |
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498 lose("bad bound value", CHECK_(empty)); |
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499 } |
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|
500 } |
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501 debug_only(arg_oop = badOop); |
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502 change_argument(T_VOID, arg_slot, arg_type, arg); |
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503 } |
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|
504 |
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505 // this test must come after the body of the loop |
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506 if (!chain().is_last()) { |
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507 chain().next(CHECK_(empty)); |
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508 } else { |
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509 break; |
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|
510 } |
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|
511 } |
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|
512 |
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|
513 // finish the sequence with a tail-call to the ultimate target |
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514 // parameters are passed in logical order (recv 1st), not slot order |
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515 ArgToken* arglist = NEW_RESOURCE_ARRAY(ArgToken, _outgoing.length() + 1); |
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516 int ap = 0; |
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517 for (int i = _outgoing.length() - 1; i >= 0; i--) { |
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518 SlotState* arg_state = slot_state(i); |
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519 if (arg_state->_type == T_VOID) continue; |
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520 arglist[ap++] = _outgoing.at(i)._arg; |
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|
521 } |
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522 assert(ap == _outgoing_argc, ""); |
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523 arglist[ap] = ArgToken(); // add a sentinel, for the sake of asserts |
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524 return make_invoke(chain().last_method_oop(), |
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525 vmIntrinsics::_none, |
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6894206: JVM needs a way to traverse method handle structures
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526 chain().last_invoke_code(), true, |
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527 ap, arglist, THREAD); |
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|
528 } |
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diff
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|
529 |
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|
530 |
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|
531 // ----------------------------------------------------------------------------- |
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532 // MethodHandleWalker::walk_incoming_state |
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|
533 // |
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534 void MethodHandleWalker::walk_incoming_state(TRAPS) { |
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535 Handle mtype(THREAD, chain().method_type_oop()); |
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536 int nptypes = java_dyn_MethodType::ptype_count(mtype()); |
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537 _outgoing_argc = nptypes; |
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538 int argp = nptypes - 1; |
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539 if (argp >= 0) { |
1138
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540 _outgoing.at_grow(argp, make_state(T_VOID, ArgToken(tt_void))); // presize |
1133
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|
541 } |
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542 for (int i = 0; i < nptypes; i++) { |
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diff
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|
543 klassOop arg_type_klass = NULL; |
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diff
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|
544 BasicType arg_type = java_lang_Class::as_BasicType( |
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545 java_dyn_MethodType::ptype(mtype(), i), &arg_type_klass); |
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546 int index = new_local_index(arg_type); |
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547 ArgToken arg = make_parameter(arg_type, arg_type_klass, index, CHECK); |
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548 debug_only(arg_type_klass = (klassOop) NULL); |
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549 _outgoing.at_put(argp, make_state(arg_type, arg)); |
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550 if (type2size[arg_type] == 2) { |
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parents:
diff
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|
551 // add the extra slot, so we can model the JVM stack |
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552 _outgoing.insert_before(argp+1, make_state(T_VOID, ArgToken(tt_void))); |
1133
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6894206: JVM needs a way to traverse method handle structures
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|
553 } |
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6894206: JVM needs a way to traverse method handle structures
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554 --argp; |
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555 } |
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556 // call make_parameter at the end of the list for the return type |
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557 klassOop ret_type_klass = NULL; |
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558 BasicType ret_type = java_lang_Class::as_BasicType( |
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559 java_dyn_MethodType::rtype(mtype()), &ret_type_klass); |
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560 ArgToken ret = make_parameter(ret_type, ret_type_klass, -1, CHECK); |
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561 // ignore ret; client can catch it if needed |
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562 } |
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563 |
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564 |
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565 // ----------------------------------------------------------------------------- |
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566 // MethodHandleWalker::change_argument |
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567 // |
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568 // This is messy because some kinds of arguments are paired with |
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569 // companion slots containing an empty value. |
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570 void MethodHandleWalker::change_argument(BasicType old_type, int slot, BasicType new_type, |
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571 const ArgToken& new_arg) { |
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572 int old_size = type2size[old_type]; |
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573 int new_size = type2size[new_type]; |
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574 if (old_size == new_size) { |
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575 // simple case first |
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576 _outgoing.at_put(slot, make_state(new_type, new_arg)); |
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577 } else if (old_size > new_size) { |
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578 for (int i = old_size - 1; i >= new_size; i--) { |
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579 assert((i != 0) == (_outgoing.at(slot + i)._type == T_VOID), ""); |
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580 _outgoing.remove_at(slot + i); |
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581 } |
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582 if (new_size > 0) |
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583 _outgoing.at_put(slot, make_state(new_type, new_arg)); |
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584 else |
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585 _outgoing_argc -= 1; // deleted a real argument |
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586 } else { |
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587 for (int i = old_size; i < new_size; i++) { |
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588 _outgoing.insert_before(slot + i, make_state(T_VOID, ArgToken(tt_void))); |
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589 } |
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590 _outgoing.at_put(slot, make_state(new_type, new_arg)); |
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591 if (old_size == 0) |
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592 _outgoing_argc += 1; // inserted a real argument |
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593 } |
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594 } |
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595 |
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596 |
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597 #ifdef ASSERT |
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598 int MethodHandleWalker::argument_count_slow() { |
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599 int args_seen = 0; |
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600 for (int i = _outgoing.length() - 1; i >= 0; i--) { |
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601 if (_outgoing.at(i)._type != T_VOID) { |
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602 ++args_seen; |
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603 } |
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604 } |
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605 return args_seen; |
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606 } |
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607 #endif |
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608 |
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609 |
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610 // ----------------------------------------------------------------------------- |
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611 // MethodHandleCompiler |
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612 |
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613 MethodHandleCompiler::MethodHandleCompiler(Handle root, methodHandle callee, bool is_invokedynamic, TRAPS) |
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614 : MethodHandleWalker(root, is_invokedynamic, THREAD), |
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615 _callee(callee), |
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616 _thread(THREAD), |
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617 _bytecode(THREAD, 50), |
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618 _constants(THREAD, 10), |
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619 _cur_stack(0), |
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620 _max_stack(0), |
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621 _rtype(T_ILLEGAL) |
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622 { |
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623 |
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624 // Element zero is always the null constant. |
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625 (void) _constants.append(NULL); |
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626 |
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627 // Set name and signature index. |
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628 _name_index = cpool_symbol_put(_callee->name()); |
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629 _signature_index = cpool_symbol_put(_callee->signature()); |
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630 |
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631 // Get return type klass. |
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632 Handle first_mtype(THREAD, chain().method_type_oop()); |
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633 // _rklass is NULL for primitives. |
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634 _rtype = java_lang_Class::as_BasicType(java_dyn_MethodType::rtype(first_mtype()), &_rklass); |
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635 if (_rtype == T_ARRAY) _rtype = T_OBJECT; |
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636 |
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637 int params = _callee->size_of_parameters(); // Incoming arguments plus receiver. |
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638 _num_params = for_invokedynamic() ? params - 1 : params; // XXX Check if callee is static? |
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639 } |
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640 |
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641 |
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642 // ----------------------------------------------------------------------------- |
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643 // MethodHandleCompiler::compile |
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644 // |
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645 // Compile this MethodHandle into a bytecode adapter and return a |
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646 // methodOop. |
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647 methodHandle MethodHandleCompiler::compile(TRAPS) { |
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648 assert(_thread == THREAD, "must be same thread"); |
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649 methodHandle nullHandle; |
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650 (void) walk(CHECK_(nullHandle)); |
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651 return get_method_oop(CHECK_(nullHandle)); |
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652 } |
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653 |
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654 |
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655 void MethodHandleCompiler::emit_bc(Bytecodes::Code op, int index) { |
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656 Bytecodes::check(op); // Are we legal? |
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657 |
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658 switch (op) { |
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659 // b |
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660 case Bytecodes::_aconst_null: |
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661 case Bytecodes::_iconst_m1: |
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662 case Bytecodes::_iconst_0: |
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663 case Bytecodes::_iconst_1: |
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664 case Bytecodes::_iconst_2: |
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665 case Bytecodes::_iconst_3: |
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666 case Bytecodes::_iconst_4: |
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667 case Bytecodes::_iconst_5: |
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668 case Bytecodes::_lconst_0: |
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669 case Bytecodes::_lconst_1: |
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670 case Bytecodes::_fconst_0: |
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671 case Bytecodes::_fconst_1: |
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672 case Bytecodes::_fconst_2: |
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673 case Bytecodes::_dconst_0: |
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674 case Bytecodes::_dconst_1: |
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675 case Bytecodes::_iload_0: |
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676 case Bytecodes::_iload_1: |
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677 case Bytecodes::_iload_2: |
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678 case Bytecodes::_iload_3: |
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679 case Bytecodes::_lload_0: |
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680 case Bytecodes::_lload_1: |
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681 case Bytecodes::_lload_2: |
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682 case Bytecodes::_lload_3: |
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683 case Bytecodes::_fload_0: |
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684 case Bytecodes::_fload_1: |
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685 case Bytecodes::_fload_2: |
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686 case Bytecodes::_fload_3: |
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687 case Bytecodes::_dload_0: |
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688 case Bytecodes::_dload_1: |
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689 case Bytecodes::_dload_2: |
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690 case Bytecodes::_dload_3: |
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691 case Bytecodes::_aload_0: |
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692 case Bytecodes::_aload_1: |
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693 case Bytecodes::_aload_2: |
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694 case Bytecodes::_aload_3: |
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|
695 case Bytecodes::_istore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
696 case Bytecodes::_istore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
697 case Bytecodes::_istore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
698 case Bytecodes::_istore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
699 case Bytecodes::_lstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
700 case Bytecodes::_lstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
701 case Bytecodes::_lstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
702 case Bytecodes::_lstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
703 case Bytecodes::_fstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
704 case Bytecodes::_fstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
705 case Bytecodes::_fstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
706 case Bytecodes::_fstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
707 case Bytecodes::_dstore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
708 case Bytecodes::_dstore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
709 case Bytecodes::_dstore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
710 case Bytecodes::_dstore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
711 case Bytecodes::_astore_0: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
712 case Bytecodes::_astore_1: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
713 case Bytecodes::_astore_2: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
714 case Bytecodes::_astore_3: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
715 case Bytecodes::_i2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
716 case Bytecodes::_i2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
717 case Bytecodes::_i2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
718 case Bytecodes::_i2b: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
719 case Bytecodes::_i2c: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
720 case Bytecodes::_i2s: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
721 case Bytecodes::_l2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
722 case Bytecodes::_l2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
723 case Bytecodes::_l2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
724 case Bytecodes::_f2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
725 case Bytecodes::_f2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
726 case Bytecodes::_f2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
727 case Bytecodes::_d2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
728 case Bytecodes::_d2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
729 case Bytecodes::_d2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
730 case Bytecodes::_ireturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
731 case Bytecodes::_lreturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
732 case Bytecodes::_freturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
733 case Bytecodes::_dreturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
734 case Bytecodes::_areturn: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
735 case Bytecodes::_return: |
1565 | 736 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
|
737 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
738 break; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
739 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
740 // bi |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
741 case Bytecodes::_ldc: |
1662
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
742 assert(Bytecodes::format_bits(op, false) == (Bytecodes::_fmt_b|Bytecodes::_fmt_has_k), "wrong bytecode format"); |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
743 assert((char) index == index, "index does not fit in 8-bit"); |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
744 _bytecode.push(op); |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
745 _bytecode.push(index); |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
746 break; |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
747 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
748 case Bytecodes::_iload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
749 case Bytecodes::_lload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
750 case Bytecodes::_fload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
751 case Bytecodes::_dload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
752 case Bytecodes::_aload: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
753 case Bytecodes::_istore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
754 case Bytecodes::_lstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
755 case Bytecodes::_fstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
756 case Bytecodes::_dstore: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
757 case Bytecodes::_astore: |
1565 | 758 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
|
759 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
|
760 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
761 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
762 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
763 |
1662
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
764 // bkk |
e0ba4e04c839
6969574: invokedynamic call sites deoptimize instead of executing
jrose
parents:
1579
diff
changeset
|
765 case Bytecodes::_ldc_w: |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
766 case Bytecodes::_ldc2_w: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
767 case Bytecodes::_checkcast: |
1565 | 768 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
|
769 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
|
770 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
771 _bytecode.push(index >> 8); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
772 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
773 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
774 |
1565 | 775 // bJJ |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
776 case Bytecodes::_invokestatic: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
777 case Bytecodes::_invokespecial: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
778 case Bytecodes::_invokevirtual: |
1565 | 779 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
|
780 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
|
781 _bytecode.push(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
782 _bytecode.push(index >> 8); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
783 _bytecode.push(index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
784 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
785 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
786 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
787 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
788 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
789 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
790 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
791 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
792 void MethodHandleCompiler::emit_load(BasicType bt, int index) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
793 if (index <= 3) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
794 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
795 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
|
796 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
|
797 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
|
798 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
|
799 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
|
800 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
|
801 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
802 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
803 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
804 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
805 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
806 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
807 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
|
808 case T_INT: emit_bc(Bytecodes::_iload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
809 case T_LONG: emit_bc(Bytecodes::_lload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
810 case T_FLOAT: emit_bc(Bytecodes::_fload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
811 case T_DOUBLE: emit_bc(Bytecodes::_dload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
812 case T_OBJECT: emit_bc(Bytecodes::_aload, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
813 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
814 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
815 } |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
816 } |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
817 stack_push(bt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
818 } |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
819 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
820 void MethodHandleCompiler::emit_store(BasicType bt, int index) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
821 if (index <= 3) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
822 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
823 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
|
824 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
|
825 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
|
826 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
|
827 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
|
828 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
|
829 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
830 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
831 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
832 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
833 else { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
834 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
835 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
|
836 case T_INT: emit_bc(Bytecodes::_istore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
837 case T_LONG: emit_bc(Bytecodes::_lstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
838 case T_FLOAT: emit_bc(Bytecodes::_fstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
839 case T_DOUBLE: emit_bc(Bytecodes::_dstore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
840 case T_OBJECT: emit_bc(Bytecodes::_astore, index); break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
841 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
842 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
843 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
844 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
845 stack_pop(bt); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
846 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
847 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
848 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
849 void MethodHandleCompiler::emit_load_constant(ArgToken arg) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
850 BasicType bt = arg.basic_type(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
851 switch (bt) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
852 case T_INT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
853 jint value = arg.get_jint(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
854 if (-1 <= value && value <= 5) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
855 emit_bc(Bytecodes::cast(Bytecodes::_iconst_0 + 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::_ldc, cpool_int_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_LONG: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
861 jlong value = arg.get_jlong(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
862 if (0 <= value && value <= 1) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
863 emit_bc(Bytecodes::cast(Bytecodes::_lconst_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::_ldc2_w, cpool_long_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_FLOAT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
869 jfloat value = arg.get_jfloat(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
870 if (value == 0.0 || value == 1.0 || value == 2.0) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
871 emit_bc(Bytecodes::cast(Bytecodes::_fconst_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::_ldc, cpool_float_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_DOUBLE: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
877 jdouble value = arg.get_jdouble(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
878 if (value == 0.0 || value == 1.0) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
879 emit_bc(Bytecodes::cast(Bytecodes::_dconst_0 + (int) value)); |
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::_ldc2_w, cpool_double_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 case T_OBJECT: { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
885 Handle value = arg.object(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
886 if (value.is_null()) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
887 emit_bc(Bytecodes::_aconst_null); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
888 else |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
889 emit_bc(Bytecodes::_ldc, cpool_object_put(value)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
890 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
891 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
892 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
893 ShouldNotReachHere(); |
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 stack_push(bt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
896 } |
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 |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
899 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
900 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
|
901 const ArgToken& src, TRAPS) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
902 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
903 BasicType srctype = src.basic_type(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
904 int index = src.index(); |
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 switch (op) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
907 case Bytecodes::_i2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
908 case Bytecodes::_i2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
909 case Bytecodes::_i2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
910 case Bytecodes::_i2b: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
911 case Bytecodes::_i2c: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
912 case Bytecodes::_i2s: |
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::_l2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
915 case Bytecodes::_l2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
916 case Bytecodes::_l2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
917 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
918 case Bytecodes::_f2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
919 case Bytecodes::_f2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
920 case Bytecodes::_f2d: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
921 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
922 case Bytecodes::_d2i: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
923 case Bytecodes::_d2l: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
924 case Bytecodes::_d2f: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
925 emit_load(srctype, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
926 stack_pop(srctype); // pop the src type |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
927 emit_bc(op); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
928 stack_push(type); // push the dest value |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
929 if (srctype != type) |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
930 index = new_local_index(type); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
931 emit_store(type, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
932 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
933 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
934 case Bytecodes::_checkcast: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
935 emit_load(srctype, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
936 emit_bc(op, cpool_klass_put(tk)); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
937 emit_store(srctype, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
938 break; |
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 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
941 ShouldNotReachHere(); |
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 return make_parameter(type, tk, index, THREAD); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
945 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
946 |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
947 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
948 // ----------------------------------------------------------------------------- |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
949 // MethodHandleCompiler |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
950 // |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
951 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
952 static jvalue zero_jvalue; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
953 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
954 // Emit bytecodes for the given invoke instruction. |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
955 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
956 MethodHandleCompiler::make_invoke(methodOop m, vmIntrinsics::ID iid, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
957 Bytecodes::Code op, bool tailcall, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
958 int argc, MethodHandleWalker::ArgToken* argv, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
959 TRAPS) { |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
960 if (m == NULL) { |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
961 // Get the intrinsic methodOop. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
962 m = vmIntrinsics::method_for(iid); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
963 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
964 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
965 klassOop klass = m->method_holder(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
966 symbolOop name = m->name(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
967 symbolOop signature = m->signature(); |
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 if (tailcall) { |
1152
cd37471eaecc
6914206: change way of permission checking for generated MethodHandle adapters
twisti
parents:
1142
diff
changeset
|
970 // Actually, in order to make these methods more recognizable, |
2001
f2da85a9b08e
7001363: java/dyn/InvokeDynamic should not be a well-known class in the JVM
twisti
parents:
1972
diff
changeset
|
971 // let's put them in holder class MethodHandle. That way stack |
f2da85a9b08e
7001363: java/dyn/InvokeDynamic should not be a well-known class in the JVM
twisti
parents:
1972
diff
changeset
|
972 // walkers and compiler heuristics can recognize them. |
f2da85a9b08e
7001363: java/dyn/InvokeDynamic should not be a well-known class in the JVM
twisti
parents:
1972
diff
changeset
|
973 _target_klass = SystemDictionary::MethodHandle_klass(); |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
974 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
975 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
976 // Inline the method. |
dd57230ba8fe
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977 InvocationCounter* ic = m->invocation_counter(); |
1783 | 978 ic->set_carry_flag(); |
1138
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|
979 |
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|
980 for (int i = 0; i < argc; i++) { |
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|
981 ArgToken arg = argv[i]; |
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diff
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|
982 TokenType tt = arg.token_type(); |
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|
983 BasicType bt = arg.basic_type(); |
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diff
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|
984 |
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|
985 switch (tt) { |
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|
986 case tt_parameter: |
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diff
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|
987 case tt_temporary: |
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|
988 emit_load(bt, arg.index()); |
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diff
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|
989 break; |
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|
990 case tt_constant: |
dd57230ba8fe
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|
991 emit_load_constant(arg); |
dd57230ba8fe
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|
992 break; |
dd57230ba8fe
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|
993 case tt_illegal: |
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|
994 // Sentinel. |
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|
995 assert(i == (argc - 1), "sentinel must be last entry"); |
dd57230ba8fe
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|
996 break; |
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diff
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|
997 case tt_void: |
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|
998 default: |
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|
999 ShouldNotReachHere(); |
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diff
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|
1000 } |
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|
1001 } |
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|
1002 |
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|
1003 // Populate constant pool. |
dd57230ba8fe
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|
1004 int name_index = cpool_symbol_put(name); |
dd57230ba8fe
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diff
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|
1005 int signature_index = cpool_symbol_put(signature); |
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|
1006 int name_and_type_index = cpool_name_and_type_put(name_index, signature_index); |
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1007 int klass_index = cpool_klass_put(klass); |
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1008 int methodref_index = cpool_methodref_put(klass_index, name_and_type_index); |
dd57230ba8fe
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|
1009 |
dd57230ba8fe
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|
1010 // Generate invoke. |
1133
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|
1011 switch (op) { |
1138
dd57230ba8fe
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|
1012 case Bytecodes::_invokestatic: |
1133
aa62b9388fce
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|
1013 case Bytecodes::_invokespecial: |
1138
dd57230ba8fe
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diff
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|
1014 case Bytecodes::_invokevirtual: |
dd57230ba8fe
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diff
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|
1015 emit_bc(op, methodref_index); |
dd57230ba8fe
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diff
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|
1016 break; |
1133
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6894206: JVM needs a way to traverse method handle structures
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|
1017 case Bytecodes::_invokeinterface: |
1138
dd57230ba8fe
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diff
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|
1018 Unimplemented(); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1019 break; |
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6894206: JVM needs a way to traverse method handle structures
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diff
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|
1020 default: |
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|
1021 ShouldNotReachHere(); |
aa62b9388fce
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twisti
parents:
diff
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|
1022 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1023 |
1138
dd57230ba8fe
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|
1024 // If tailcall, we have walked all the way to a direct method handle. |
dd57230ba8fe
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|
1025 // Otherwise, make a recursive call to some helper routine. |
dd57230ba8fe
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|
1026 BasicType rbt = m->result_type(); |
1152
cd37471eaecc
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1142
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|
1027 if (rbt == T_ARRAY) rbt = T_OBJECT; |
1138
dd57230ba8fe
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|
1028 ArgToken ret; |
dd57230ba8fe
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parents:
1133
diff
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|
1029 if (tailcall) { |
dd57230ba8fe
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parents:
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diff
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|
1030 if (rbt != _rtype) { |
dd57230ba8fe
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parents:
1133
diff
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|
1031 if (rbt == T_VOID) { |
dd57230ba8fe
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1133
diff
changeset
|
1032 // push a zero of the right sort |
dd57230ba8fe
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diff
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|
1033 ArgToken zero; |
dd57230ba8fe
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1133
diff
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|
1034 if (_rtype == T_OBJECT) { |
dd57230ba8fe
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parents:
1133
diff
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|
1035 zero = make_oop_constant(NULL, CHECK_(zero)); |
dd57230ba8fe
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diff
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|
1036 } else { |
dd57230ba8fe
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1133
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|
1037 zero = make_prim_constant(_rtype, &zero_jvalue, CHECK_(zero)); |
dd57230ba8fe
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|
1038 } |
dd57230ba8fe
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diff
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|
1039 emit_load_constant(zero); |
dd57230ba8fe
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diff
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|
1040 } else if (_rtype == T_VOID) { |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1041 // We'll emit a _return with something on the stack. |
dd57230ba8fe
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|
1042 // It's OK to ignore what's on the stack. |
dd57230ba8fe
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diff
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|
1043 } else { |
dd57230ba8fe
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1133
diff
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|
1044 tty->print_cr("*** rbt=%d != rtype=%d", rbt, _rtype); |
dd57230ba8fe
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diff
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|
1045 assert(false, "IMPLEMENT ME"); |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1046 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
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diff
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|
1047 } |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1048 switch (_rtype) { |
dd57230ba8fe
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1133
diff
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|
1049 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
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|
1050 case T_INT: emit_bc(Bytecodes::_ireturn); break; |
dd57230ba8fe
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|
1051 case T_LONG: emit_bc(Bytecodes::_lreturn); break; |
dd57230ba8fe
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diff
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|
1052 case T_FLOAT: emit_bc(Bytecodes::_freturn); break; |
dd57230ba8fe
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1133
diff
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|
1053 case T_DOUBLE: emit_bc(Bytecodes::_dreturn); break; |
dd57230ba8fe
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|
1054 case T_VOID: emit_bc(Bytecodes::_return); break; |
dd57230ba8fe
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1133
diff
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|
1055 case T_OBJECT: |
1142 | 1056 if (_rklass.not_null() && _rklass() != SystemDictionary::Object_klass()) |
1138
dd57230ba8fe
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1133
diff
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|
1057 emit_bc(Bytecodes::_checkcast, cpool_klass_put(_rklass())); |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
1058 emit_bc(Bytecodes::_areturn); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1059 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1060 default: ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1061 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1062 ret = ArgToken(); // Dummy return value. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1063 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
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diff
changeset
|
1064 else { |
dd57230ba8fe
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diff
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|
1065 stack_push(rbt); // The return value is already pushed onto the stack. |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
1066 int index = new_local_index(rbt); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1067 switch (rbt) { |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1068 case T_BOOLEAN: case T_BYTE: case T_CHAR: case T_SHORT: |
dd57230ba8fe
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1133
diff
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|
1069 case T_INT: case T_LONG: case T_FLOAT: case T_DOUBLE: |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
1070 case T_OBJECT: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1071 emit_store(rbt, index); |
dd57230ba8fe
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parents:
1133
diff
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|
1072 ret = ArgToken(tt_temporary, rbt, index); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
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|
1073 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1074 case T_VOID: |
dd57230ba8fe
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parents:
1133
diff
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|
1075 ret = ArgToken(tt_void); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1076 break; |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1077 default: |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1078 ShouldNotReachHere(); |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1079 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1080 } |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1081 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
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|
1082 return ret; |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1083 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1084 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1085 MethodHandleWalker::ArgToken |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1086 MethodHandleCompiler::make_fetch(BasicType type, klassOop tk, Bytecodes::Code op, |
1138
dd57230ba8fe
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parents:
1133
diff
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|
1087 const MethodHandleWalker::ArgToken& base, |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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parents:
1133
diff
changeset
|
1088 const MethodHandleWalker::ArgToken& offset, |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1089 TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1090 Unimplemented(); |
1138
dd57230ba8fe
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parents:
1133
diff
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|
1091 return ArgToken(); |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1092 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1093 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
1094 |
1138
dd57230ba8fe
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1133
diff
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|
1095 int MethodHandleCompiler::cpool_primitive_put(BasicType bt, jvalue* con) { |
1133
aa62b9388fce
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parents:
diff
changeset
|
1096 jvalue con_copy; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1097 assert(bt < T_OBJECT, ""); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
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|
1098 if (type2aelembytes(bt) < jintSize) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1099 // widen to int |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1100 con_copy = (*con); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1101 con = &con_copy; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1102 switch (bt) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1103 case T_BOOLEAN: con->i = (con->z ? 1 : 0); break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1104 case T_BYTE: con->i = con->b; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1105 case T_CHAR: con->i = con->c; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1106 case T_SHORT: con->i = con->s; break; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1107 default: ShouldNotReachHere(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1108 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
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|
1109 bt = T_INT; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1110 } |
1138
dd57230ba8fe
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diff
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|
1111 |
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
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diff
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|
1112 // for (int i = 1, imax = _constants.length(); i < imax; i++) { |
dd57230ba8fe
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diff
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|
1113 // ConstantValue* con = _constants.at(i); |
dd57230ba8fe
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diff
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|
1114 // if (con != NULL && con->is_primitive() && con->_type == bt) { |
dd57230ba8fe
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1133
diff
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|
1115 // bool match = false; |
dd57230ba8fe
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1133
diff
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|
1116 // switch (type2size[bt]) { |
dd57230ba8fe
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1133
diff
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|
1117 // case 1: if (pcon->_value.i == con->i) match = true; break; |
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1118 // case 2: if (pcon->_value.j == con->j) match = true; break; |
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1119 // } |
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|
1120 // if (match) |
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1121 // return i; |
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1122 // } |
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1123 // } |
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1124 ConstantValue* cv = new ConstantValue(bt, *con); |
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1125 int index = _constants.append(cv); |
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|
1126 |
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1127 // long and double entries take 2 slots, we add another empty entry. |
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1128 if (type2size[bt] == 2) |
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1129 (void) _constants.append(NULL); |
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|
1130 |
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1131 return index; |
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|
1132 } |
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|
1133 |
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|
1134 |
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1135 constantPoolHandle MethodHandleCompiler::get_constant_pool(TRAPS) const { |
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1136 constantPoolHandle nullHandle; |
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1137 bool is_conc_safe = true; |
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1138 constantPoolOop cpool_oop = oopFactory::new_constantPool(_constants.length(), is_conc_safe, CHECK_(nullHandle)); |
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1139 constantPoolHandle cpool(THREAD, cpool_oop); |
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1140 |
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1141 // Fill the real constant pool skipping the zero element. |
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1142 for (int i = 1; i < _constants.length(); i++) { |
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1143 ConstantValue* cv = _constants.at(i); |
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1144 switch (cv->tag()) { |
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1145 case JVM_CONSTANT_Utf8: cpool->symbol_at_put( i, cv->symbol_oop() ); break; |
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1146 case JVM_CONSTANT_Integer: cpool->int_at_put( i, cv->get_jint() ); break; |
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1147 case JVM_CONSTANT_Float: cpool->float_at_put( i, cv->get_jfloat() ); break; |
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1148 case JVM_CONSTANT_Long: cpool->long_at_put( i, cv->get_jlong() ); break; |
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1149 case JVM_CONSTANT_Double: cpool->double_at_put( i, cv->get_jdouble() ); break; |
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1150 case JVM_CONSTANT_Class: cpool->klass_at_put( i, cv->klass_oop() ); break; |
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1151 case JVM_CONSTANT_Methodref: cpool->method_at_put( i, cv->first_index(), cv->second_index()); break; |
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1152 case JVM_CONSTANT_NameAndType: cpool->name_and_type_at_put(i, cv->first_index(), cv->second_index()); break; |
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1153 case JVM_CONSTANT_Object: cpool->object_at_put( i, cv->object_oop() ); break; |
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|
1154 default: ShouldNotReachHere(); |
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|
1155 } |
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|
1156 |
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|
1157 switch (cv->tag()) { |
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|
1158 case JVM_CONSTANT_Long: |
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|
1159 case JVM_CONSTANT_Double: |
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|
1160 i++; // Skip empty entry. |
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|
1161 assert(_constants.at(i) == NULL, "empty entry"); |
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1162 break; |
1133
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1163 } |
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|
1164 } |
1138
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|
1165 |
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|
1166 // Set the constant pool holder to the target method's class. |
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|
1167 cpool->set_pool_holder(_target_klass()); |
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|
1168 |
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|
1169 return cpool; |
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|
1170 } |
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|
1171 |
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|
1172 |
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|
1173 methodHandle MethodHandleCompiler::get_method_oop(TRAPS) const { |
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|
1174 methodHandle nullHandle; |
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diff
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|
1175 // Create a method that holds the generated bytecode. invokedynamic |
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diff
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|
1176 // has no receiver, normal MH calls do. |
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|
1177 int flags_bits; |
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diff
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|
1178 if (for_invokedynamic()) |
1507
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diff
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|
1179 flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_SYNTHETIC | JVM_ACC_STATIC); |
1138
dd57230ba8fe
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|
1180 else |
1507
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|
1181 flags_bits = (/*JVM_MH_INVOKE_BITS |*/ JVM_ACC_PUBLIC | JVM_ACC_FINAL | JVM_ACC_SYNTHETIC); |
1138
dd57230ba8fe
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|
1182 |
dd57230ba8fe
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|
1183 bool is_conc_safe = true; |
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|
1184 methodOop m_oop = oopFactory::new_method(bytecode_length(), |
dd57230ba8fe
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1133
diff
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|
1185 accessFlags_from(flags_bits), |
dd57230ba8fe
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1133
diff
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|
1186 0, 0, 0, is_conc_safe, CHECK_(nullHandle)); |
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parents:
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diff
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|
1187 methodHandle m(THREAD, m_oop); |
dd57230ba8fe
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1133
diff
changeset
|
1188 m_oop = NULL; // oop not GC safe |
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parents:
1133
diff
changeset
|
1189 |
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diff
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|
1190 constantPoolHandle cpool = get_constant_pool(CHECK_(nullHandle)); |
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parents:
1133
diff
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|
1191 m->set_constants(cpool()); |
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1133
diff
changeset
|
1192 |
dd57230ba8fe
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|
1193 m->set_name_index(_name_index); |
dd57230ba8fe
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parents:
1133
diff
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|
1194 m->set_signature_index(_signature_index); |
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1133
diff
changeset
|
1195 |
dd57230ba8fe
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1133
diff
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|
1196 m->set_code((address) bytecode()); |
dd57230ba8fe
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1133
diff
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|
1197 |
dd57230ba8fe
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1133
diff
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|
1198 m->set_max_stack(_max_stack); |
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parents:
1133
diff
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|
1199 m->set_max_locals(max_locals()); |
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parents:
1133
diff
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|
1200 m->set_size_of_parameters(_num_params); |
dd57230ba8fe
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1133
diff
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|
1201 |
dd57230ba8fe
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diff
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|
1202 typeArrayHandle exception_handlers(THREAD, Universe::the_empty_int_array()); |
dd57230ba8fe
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parents:
1133
diff
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|
1203 m->set_exception_table(exception_handlers()); |
dd57230ba8fe
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1133
diff
changeset
|
1204 |
dd57230ba8fe
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1133
diff
changeset
|
1205 // Set the carry bit of the invocation counter to force inlining of |
dd57230ba8fe
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1133
diff
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|
1206 // the adapter. |
dd57230ba8fe
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1133
diff
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|
1207 InvocationCounter* ic = m->invocation_counter(); |
1783 | 1208 ic->set_carry_flag(); |
1138
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1133
diff
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|
1209 |
dd57230ba8fe
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1133
diff
changeset
|
1210 // Rewrite the method and set up the constant pool cache. |
dd57230ba8fe
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1133
diff
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|
1211 objArrayOop m_array = oopFactory::new_system_objArray(1, CHECK_(nullHandle)); |
dd57230ba8fe
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parents:
1133
diff
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|
1212 objArrayHandle methods(THREAD, m_array); |
dd57230ba8fe
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parents:
1133
diff
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|
1213 methods->obj_at_put(0, m()); |
dd57230ba8fe
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1133
diff
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|
1214 Rewriter::rewrite(_target_klass(), cpool, methods, CHECK_(nullHandle)); // Use fake class. |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1215 |
dd57230ba8fe
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1133
diff
changeset
|
1216 #ifndef PRODUCT |
dd57230ba8fe
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parents:
1133
diff
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|
1217 if (TraceMethodHandles) { |
dd57230ba8fe
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twisti
parents:
1133
diff
changeset
|
1218 m->print(); |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1219 m->print_codes(); |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1220 } |
dd57230ba8fe
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parents:
1133
diff
changeset
|
1221 #endif //PRODUCT |
dd57230ba8fe
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1133
diff
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|
1222 |
1507
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1152
diff
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|
1223 assert(m->is_method_handle_adapter(), "must be recognized as an adapter"); |
1138
dd57230ba8fe
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1133
diff
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|
1224 return m; |
1133
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diff
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|
1225 } |
aa62b9388fce
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diff
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|
1226 |
aa62b9388fce
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diff
changeset
|
1227 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
changeset
|
1228 #ifndef PRODUCT |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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parents:
diff
changeset
|
1229 |
1138
dd57230ba8fe
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1133
diff
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|
1230 #if 0 |
1133
aa62b9388fce
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diff
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|
1231 // MH printer for debugging. |
aa62b9388fce
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parents:
diff
changeset
|
1232 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
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diff
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|
1233 class MethodHandlePrinter : public MethodHandleWalker { |
aa62b9388fce
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diff
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|
1234 private: |
aa62b9388fce
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diff
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|
1235 outputStream* _out; |
aa62b9388fce
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diff
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|
1236 bool _verbose; |
aa62b9388fce
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diff
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|
1237 int _temp_num; |
aa62b9388fce
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diff
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|
1238 stringStream _strbuf; |
aa62b9388fce
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diff
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|
1239 const char* strbuf() { |
aa62b9388fce
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diff
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|
1240 const char* s = _strbuf.as_string(); |
aa62b9388fce
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diff
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|
1241 _strbuf.reset(); |
aa62b9388fce
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diff
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|
1242 return s; |
aa62b9388fce
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diff
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|
1243 } |
aa62b9388fce
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diff
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|
1244 ArgToken token(const char* str) { |
aa62b9388fce
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parents:
diff
changeset
|
1245 return (ArgToken) str; |
aa62b9388fce
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diff
changeset
|
1246 } |
aa62b9388fce
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diff
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|
1247 void start_params() { |
aa62b9388fce
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parents:
diff
changeset
|
1248 _out->print("("); |
aa62b9388fce
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diff
changeset
|
1249 } |
aa62b9388fce
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diff
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|
1250 void end_params() { |
aa62b9388fce
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diff
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|
1251 if (_verbose) _out->print("\n"); |
aa62b9388fce
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parents:
diff
changeset
|
1252 _out->print(") => {"); |
aa62b9388fce
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diff
changeset
|
1253 } |
aa62b9388fce
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diff
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|
1254 void put_type_name(BasicType type, klassOop tk, outputStream* s) { |
aa62b9388fce
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diff
changeset
|
1255 const char* kname = NULL; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1256 if (tk != NULL) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1257 kname = Klass::cast(tk)->external_name(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1258 s->print("%s", (kname != NULL) ? kname : type2name(type)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1259 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1260 ArgToken maybe_make_temp(const char* statement_op, BasicType type, const char* temp_name) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1261 const char* value = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1262 if (!_verbose) return token(value); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1263 // make an explicit binding for each separate value |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1264 _strbuf.print("%s%d", temp_name, ++_temp_num); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1265 const char* temp = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1266 _out->print("\n %s %s %s = %s;", statement_op, type2name(type), temp, value); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1267 return token(temp); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1268 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1269 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1270 public: |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1271 MethodHandlePrinter(Handle root, bool verbose, outputStream* out, TRAPS) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1272 : MethodHandleWalker(root, THREAD), |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1273 _out(out), |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1274 _verbose(verbose), |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1275 _temp_num(0) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1276 { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1277 start_params(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1278 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1279 virtual ArgToken make_parameter(BasicType type, klassOop tk, int argnum, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1280 if (argnum < 0) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1281 end_params(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1282 return NULL; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1283 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1284 if (argnum == 0) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1285 _out->print(_verbose ? "\n " : ""); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1286 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1287 _out->print(_verbose ? ",\n " : ", "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1288 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1289 if (argnum >= _temp_num) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1290 _temp_num = argnum; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1291 // generate an argument name |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1292 _strbuf.print("a%d", argnum); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1293 const char* arg = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1294 put_type_name(type, tk, _out); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1295 _out->print(" %s", arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1296 return token(arg); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1297 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1298 virtual ArgToken make_oop_constant(oop con, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1299 if (con == NULL) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1300 _strbuf.print("null"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1301 else |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1302 con->print_value_on(&_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1303 if (_strbuf.size() == 0) { // yuck |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1304 _strbuf.print("(a "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1305 put_type_name(T_OBJECT, con->klass(), &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1306 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1307 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1308 return maybe_make_temp("constant", T_OBJECT, "k"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1309 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1310 virtual ArgToken make_prim_constant(BasicType type, jvalue* con, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1311 java_lang_boxing_object::print(type, con, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1312 return maybe_make_temp("constant", type, "k"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1313 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1314 virtual ArgToken make_conversion(BasicType type, klassOop tk, Bytecodes::Code op, ArgToken src, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1315 _strbuf.print("%s(%s", Bytecodes::name(op), (const char*)src); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1316 if (tk != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1317 _strbuf.print(", "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1318 put_type_name(type, tk, &_strbuf); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1319 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1320 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1321 return maybe_make_temp("convert", type, "v"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1322 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1323 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
twisti
parents:
diff
changeset
|
1324 _strbuf.print("%s(%s, %s", Bytecodes::name(op), (const char*)base, (const char*)offset); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1325 if (tk != NULL) { |
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 put_type_name(type, tk, &_strbuf); |
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 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1330 return maybe_make_temp("fetch", type, "x"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1331 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1332 virtual ArgToken make_invoke(methodOop m, vmIntrinsics::ID iid, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1333 Bytecodes::Code op, bool tailcall, |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1334 int argc, ArgToken* argv, TRAPS) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1335 symbolOop name, sig; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1336 if (m != NULL) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1337 name = m->name(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1338 sig = m->signature(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1339 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1340 name = vmSymbols::symbol_at(vmIntrinsics::name_for(iid)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1341 sig = vmSymbols::symbol_at(vmIntrinsics::signature_for(iid)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1342 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1343 _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
changeset
|
1344 for (int i = 0; i < argc; i++) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1345 _strbuf.print("%s%s", (i > 0 ? ", " : ""), (const char*)argv[i]); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1346 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1347 _strbuf.print(")"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1348 if (!tailcall) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1349 BasicType rt = char2type(sig->byte_at(sig->utf8_length()-1)); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1350 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
|
1351 return maybe_make_temp("invoke", rt, "x"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1352 } else { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1353 const char* ret = strbuf(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1354 _out->print(_verbose ? "\n return " : " "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1355 _out->print("%s", ret); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1356 _out->print(_verbose ? "\n}\n" : " }"); |
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 return ArgToken(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1359 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1360 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1361 virtual void set_method_handle(oop mh) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1362 if (WizardMode && Verbose) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1363 tty->print("\n--- next target: "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1364 mh->print(); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1365 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1366 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1367 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1368 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
|
1369 ResourceMark rm; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1370 MethodHandlePrinter printer(root, verbose, out, CHECK); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1371 printer.walk(CHECK); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1372 out->print("\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1373 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1374 static void print(Handle root, bool verbose = Verbose, outputStream* out = tty) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1375 EXCEPTION_MARK; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1376 ResourceMark rm; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1377 MethodHandlePrinter printer(root, verbose, out, THREAD); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1378 if (!HAS_PENDING_EXCEPTION) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1379 printer.walk(THREAD); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1380 if (HAS_PENDING_EXCEPTION) { |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1381 oop ex = PENDING_EXCEPTION; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1382 CLEAR_PENDING_EXCEPTION; |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1383 out->print("\n*** "); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1384 if (ex != Universe::virtual_machine_error_instance()) |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1385 ex->print_on(out); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1386 else |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1387 out->print("lose: %s", printer.lose_message()); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1388 out->print("\n}\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1389 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1390 out->print("\n"); |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1391 } |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1392 }; |
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1133
diff
changeset
|
1393 #endif // 0 |
1133
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1394 |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1395 extern "C" |
aa62b9388fce
6894206: JVM needs a way to traverse method handle structures
twisti
parents:
diff
changeset
|
1396 void print_method_handle(oop mh) { |
1793
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1397 if (!mh->is_oop()) { |
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1398 tty->print_cr("*** not a method handle: "INTPTR_FORMAT, (intptr_t)mh); |
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1399 } else if (java_dyn_MethodHandle::is_instance(mh)) { |
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1400 //MethodHandlePrinter::print(mh); |
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1401 } else { |
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1402 tty->print("*** not a method handle: "); |
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1403 mh->print(); |
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1404 } |
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1405 } |
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1406 |
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1407 #endif // PRODUCT |